// SPDX-License-Identifier: GPL-2.0-or-later /* Copyright (C) 2010 Willow Garage Copyright (C) 2010 Ivo van Doorn Copyright (C) 2009 Bartlomiej Zolnierkiewicz Copyright (C) 2009 Gertjan van Wingerde Based on the original rt2800pci.c and rt2800usb.c. Copyright (C) 2009 Alban Browaeys Copyright (C) 2009 Felix Fietkau Copyright (C) 2009 Luis Correia Copyright (C) 2009 Mattias Nissler Copyright (C) 2009 Mark Asselstine Copyright (C) 2009 Xose Vazquez Perez */ /* Module: rt2800lib Abstract: rt2800 generic device routines. */ #include #include #include #include #include "rt2x00.h" #include "rt2800lib.h" #include "rt2800.h" static unsigned int modparam_watchdog = RT2800_WATCHDOG_DMA_BUSY; module_param_named(watchdog, modparam_watchdog, uint, 0444); MODULE_PARM_DESC(watchdog, "Enable watchdog to recover tx/rx hangs.\n" "\t\t(0=disabled, 1=hang watchdog, 2=DMA watchdog(default), 3=both)"); /* * Register access. * All access to the CSR registers will go through the methods * rt2800_register_read and rt2800_register_write. * BBP and RF register require indirect register access, * and use the CSR registers BBPCSR and RFCSR to achieve this. * These indirect registers work with busy bits, * and we will try maximal REGISTER_BUSY_COUNT times to access * the register while taking a REGISTER_BUSY_DELAY us delay * between each attampt. When the busy bit is still set at that time, * the access attempt is considered to have failed, * and we will print an error. * The _lock versions must be used if you already hold the csr_mutex */ #define WAIT_FOR_BBP(__dev, __reg) \ rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RFCSR(__dev, __reg) \ rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RFCSR_MT7620(__dev, __reg) \ rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY_MT7620, \ (__reg)) #define WAIT_FOR_RF(__dev, __reg) \ rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg)) #define WAIT_FOR_MCU(__dev, __reg) \ rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \ H2M_MAILBOX_CSR_OWNER, (__reg)) static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev) { /* check for rt2872 on SoC */ if (!rt2x00_is_soc(rt2x00dev) || !rt2x00_rt(rt2x00dev, RT2872)) return false; /* we know for sure that these rf chipsets are used on rt305x boards */ if (rt2x00_rf(rt2x00dev, RF3020) || rt2x00_rf(rt2x00dev, RF3021) || rt2x00_rf(rt2x00dev, RF3022)) return true; rt2x00_warn(rt2x00dev, "Unknown RF chipset on rt305x\n"); return false; } static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_BBP(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, BBP_CSR_CFG_VALUE, value); rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1); rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 0); rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1); rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static u8 rt2800_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word) { u32 reg; u8 value; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the read request into the register. * After the data has been written, we wait until hardware * returns the correct value, if at any time the register * doesn't become available in time, reg will be 0xffffffff * which means we return 0xff to the caller. */ if (WAIT_FOR_BBP(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1); rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 1); rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1); rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg); WAIT_FOR_BBP(rt2x00dev, ®); } value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE); mutex_unlock(&rt2x00dev->csr_mutex); return value; } static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RFCSR becomes available, afterwards we * can safely write the new data into the register. */ switch (rt2x00dev->chip.rt) { case RT6352: if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_DATA_MT7620, value); rt2x00_set_field32(®, RF_CSR_CFG_REGNUM_MT7620, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE_MT7620, 1); rt2x00_set_field32(®, RF_CSR_CFG_BUSY_MT7620, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); } break; default: if (WAIT_FOR_RFCSR(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_DATA, value); rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 1); rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); } break; } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800_rfcsr_write_bank(struct rt2x00_dev *rt2x00dev, const u8 bank, const unsigned int reg, const u8 value) { rt2800_rfcsr_write(rt2x00dev, (reg | (bank << 6)), value); } static void rt2800_rfcsr_write_chanreg(struct rt2x00_dev *rt2x00dev, const unsigned int reg, const u8 value) { rt2800_rfcsr_write_bank(rt2x00dev, 4, reg, value); rt2800_rfcsr_write_bank(rt2x00dev, 6, reg, value); } static void rt2800_rfcsr_write_dccal(struct rt2x00_dev *rt2x00dev, const unsigned int reg, const u8 value) { rt2800_rfcsr_write_bank(rt2x00dev, 5, reg, value); rt2800_rfcsr_write_bank(rt2x00dev, 7, reg, value); } static void rt2800_bbp_dcoc_write(struct rt2x00_dev *rt2x00dev, const u8 reg, const u8 value) { rt2800_bbp_write(rt2x00dev, 158, reg); rt2800_bbp_write(rt2x00dev, 159, value); } static u8 rt2800_bbp_dcoc_read(struct rt2x00_dev *rt2x00dev, const u8 reg) { rt2800_bbp_write(rt2x00dev, 158, reg); return rt2800_bbp_read(rt2x00dev, 159); } static void rt2800_bbp_glrt_write(struct rt2x00_dev *rt2x00dev, const u8 reg, const u8 value) { rt2800_bbp_write(rt2x00dev, 195, reg); rt2800_bbp_write(rt2x00dev, 196, value); } static u8 rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev, const unsigned int word) { u32 reg; u8 value; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RFCSR becomes available, afterwards we * can safely write the read request into the register. * After the data has been written, we wait until hardware * returns the correct value, if at any time the register * doesn't become available in time, reg will be 0xffffffff * which means we return 0xff to the caller. */ switch (rt2x00dev->chip.rt) { case RT6352: if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_REGNUM_MT7620, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE_MT7620, 0); rt2x00_set_field32(®, RF_CSR_CFG_BUSY_MT7620, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); WAIT_FOR_RFCSR_MT7620(rt2x00dev, ®); } value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA_MT7620); break; default: if (WAIT_FOR_RFCSR(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 0); rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); WAIT_FOR_RFCSR(rt2x00dev, ®); } value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA); break; } mutex_unlock(&rt2x00dev->csr_mutex); return value; } static u8 rt2800_rfcsr_read_bank(struct rt2x00_dev *rt2x00dev, const u8 bank, const unsigned int reg) { return rt2800_rfcsr_read(rt2x00dev, (reg | (bank << 6))); } static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u32 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RF becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_RF(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG0_REG_VALUE_BW, value); rt2x00_set_field32(®, RF_CSR_CFG0_STANDBYMODE, 0); rt2x00_set_field32(®, RF_CSR_CFG0_SEL, 0); rt2x00_set_field32(®, RF_CSR_CFG0_BUSY, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg); rt2x00_rf_write(rt2x00dev, word, value); } mutex_unlock(&rt2x00dev->csr_mutex); } static const unsigned int rt2800_eeprom_map[EEPROM_WORD_COUNT] = { [EEPROM_CHIP_ID] = 0x0000, [EEPROM_VERSION] = 0x0001, [EEPROM_MAC_ADDR_0] = 0x0002, [EEPROM_MAC_ADDR_1] = 0x0003, [EEPROM_MAC_ADDR_2] = 0x0004, [EEPROM_NIC_CONF0] = 0x001a, [EEPROM_NIC_CONF1] = 0x001b, [EEPROM_FREQ] = 0x001d, [EEPROM_LED_AG_CONF] = 0x001e, [EEPROM_LED_ACT_CONF] = 0x001f, [EEPROM_LED_POLARITY] = 0x0020, [EEPROM_NIC_CONF2] = 0x0021, [EEPROM_LNA] = 0x0022, [EEPROM_RSSI_BG] = 0x0023, [EEPROM_RSSI_BG2] = 0x0024, [EEPROM_TXMIXER_GAIN_BG] = 0x0024, /* overlaps with RSSI_BG2 */ [EEPROM_RSSI_A] = 0x0025, [EEPROM_RSSI_A2] = 0x0026, [EEPROM_TXMIXER_GAIN_A] = 0x0026, /* overlaps with RSSI_A2 */ [EEPROM_EIRP_MAX_TX_POWER] = 0x0027, [EEPROM_TXPOWER_DELTA] = 0x0028, [EEPROM_TXPOWER_BG1] = 0x0029, [EEPROM_TXPOWER_BG2] = 0x0030, [EEPROM_TSSI_BOUND_BG1] = 0x0037, [EEPROM_TSSI_BOUND_BG2] = 0x0038, [EEPROM_TSSI_BOUND_BG3] = 0x0039, [EEPROM_TSSI_BOUND_BG4] = 0x003a, [EEPROM_TSSI_BOUND_BG5] = 0x003b, [EEPROM_TXPOWER_A1] = 0x003c, [EEPROM_TXPOWER_A2] = 0x0053, [EEPROM_TXPOWER_INIT] = 0x0068, [EEPROM_TSSI_BOUND_A1] = 0x006a, [EEPROM_TSSI_BOUND_A2] = 0x006b, [EEPROM_TSSI_BOUND_A3] = 0x006c, [EEPROM_TSSI_BOUND_A4] = 0x006d, [EEPROM_TSSI_BOUND_A5] = 0x006e, [EEPROM_TXPOWER_BYRATE] = 0x006f, [EEPROM_BBP_START] = 0x0078, }; static const unsigned int rt2800_eeprom_map_ext[EEPROM_WORD_COUNT] = { [EEPROM_CHIP_ID] = 0x0000, [EEPROM_VERSION] = 0x0001, [EEPROM_MAC_ADDR_0] = 0x0002, [EEPROM_MAC_ADDR_1] = 0x0003, [EEPROM_MAC_ADDR_2] = 0x0004, [EEPROM_NIC_CONF0] = 0x001a, [EEPROM_NIC_CONF1] = 0x001b, [EEPROM_NIC_CONF2] = 0x001c, [EEPROM_EIRP_MAX_TX_POWER] = 0x0020, [EEPROM_FREQ] = 0x0022, [EEPROM_LED_AG_CONF] = 0x0023, [EEPROM_LED_ACT_CONF] = 0x0024, [EEPROM_LED_POLARITY] = 0x0025, [EEPROM_LNA] = 0x0026, [EEPROM_EXT_LNA2] = 0x0027, [EEPROM_RSSI_BG] = 0x0028, [EEPROM_RSSI_BG2] = 0x0029, [EEPROM_RSSI_A] = 0x002a, [EEPROM_RSSI_A2] = 0x002b, [EEPROM_TXPOWER_BG1] = 0x0030, [EEPROM_TXPOWER_BG2] = 0x0037, [EEPROM_EXT_TXPOWER_BG3] = 0x003e, [EEPROM_TSSI_BOUND_BG1] = 0x0045, [EEPROM_TSSI_BOUND_BG2] = 0x0046, [EEPROM_TSSI_BOUND_BG3] = 0x0047, [EEPROM_TSSI_BOUND_BG4] = 0x0048, [EEPROM_TSSI_BOUND_BG5] = 0x0049, [EEPROM_TXPOWER_A1] = 0x004b, [EEPROM_TXPOWER_A2] = 0x0065, [EEPROM_EXT_TXPOWER_A3] = 0x007f, [EEPROM_TSSI_BOUND_A1] = 0x009a, [EEPROM_TSSI_BOUND_A2] = 0x009b, [EEPROM_TSSI_BOUND_A3] = 0x009c, [EEPROM_TSSI_BOUND_A4] = 0x009d, [EEPROM_TSSI_BOUND_A5] = 0x009e, [EEPROM_TXPOWER_BYRATE] = 0x00a0, }; static unsigned int rt2800_eeprom_word_index(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word word) { const unsigned int *map; unsigned int index; if (WARN_ONCE(word >= EEPROM_WORD_COUNT, "%s: invalid EEPROM word %d\n", wiphy_name(rt2x00dev->hw->wiphy), word)) return 0; if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) map = rt2800_eeprom_map_ext; else map = rt2800_eeprom_map; index = map[word]; /* Index 0 is valid only for EEPROM_CHIP_ID. * Otherwise it means that the offset of the * given word is not initialized in the map, * or that the field is not usable on the * actual chipset. */ WARN_ONCE(word != EEPROM_CHIP_ID && index == 0, "%s: invalid access of EEPROM word %d\n", wiphy_name(rt2x00dev->hw->wiphy), word); return index; } static void *rt2800_eeprom_addr(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word word) { unsigned int index; index = rt2800_eeprom_word_index(rt2x00dev, word); return rt2x00_eeprom_addr(rt2x00dev, index); } static u16 rt2800_eeprom_read(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word word) { unsigned int index; index = rt2800_eeprom_word_index(rt2x00dev, word); return rt2x00_eeprom_read(rt2x00dev, index); } static void rt2800_eeprom_write(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word word, u16 data) { unsigned int index; index = rt2800_eeprom_word_index(rt2x00dev, word); rt2x00_eeprom_write(rt2x00dev, index, data); } static u16 rt2800_eeprom_read_from_array(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word array, unsigned int offset) { unsigned int index; index = rt2800_eeprom_word_index(rt2x00dev, array); return rt2x00_eeprom_read(rt2x00dev, index + offset); } static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev) { u32 reg; int i, count; reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL); rt2x00_set_field32(®, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff); rt2x00_set_field32(®, FRC_WL_ANT_SET, 1); rt2x00_set_field32(®, WLAN_CLK_EN, 0); rt2x00_set_field32(®, WLAN_EN, 1); rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); udelay(REGISTER_BUSY_DELAY); count = 0; do { /* * Check PLL_LD & XTAL_RDY. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, CMB_CTRL); if (rt2x00_get_field32(reg, PLL_LD) && rt2x00_get_field32(reg, XTAL_RDY)) break; udelay(REGISTER_BUSY_DELAY); } if (i >= REGISTER_BUSY_COUNT) { if (count >= 10) return -EIO; rt2800_register_write(rt2x00dev, 0x58, 0x018); udelay(REGISTER_BUSY_DELAY); rt2800_register_write(rt2x00dev, 0x58, 0x418); udelay(REGISTER_BUSY_DELAY); rt2800_register_write(rt2x00dev, 0x58, 0x618); udelay(REGISTER_BUSY_DELAY); count++; } else { count = 0; } reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL); rt2x00_set_field32(®, PCIE_APP0_CLK_REQ, 0); rt2x00_set_field32(®, WLAN_CLK_EN, 1); rt2x00_set_field32(®, WLAN_RESET, 1); rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); udelay(10); rt2x00_set_field32(®, WLAN_RESET, 0); rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); udelay(10); rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff); } while (count != 0); return 0; } void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev, const u8 command, const u8 token, const u8 arg0, const u8 arg1) { u32 reg; /* * SOC devices don't support MCU requests. */ if (rt2x00_is_soc(rt2x00dev)) return; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the MCU becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_MCU(rt2x00dev, ®)) { rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1); rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token); rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0); rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1); rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg); reg = 0; rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command); rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } EXPORT_SYMBOL_GPL(rt2800_mcu_request); int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i = 0; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, MAC_CSR0); if (reg && reg != ~0) return 0; msleep(1); } rt2x00_err(rt2x00dev, "Unstable hardware\n"); return -EBUSY; } EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready); int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u32 reg; /* * Some devices are really slow to respond here. Wait a whole second * before timing out. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) && !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY)) return 0; msleep(10); } rt2x00_err(rt2x00dev, "WPDMA TX/RX busy [0x%08x]\n", reg); return -EACCES; } EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready); void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev) { u32 reg; reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); } EXPORT_SYMBOL_GPL(rt2800_disable_wpdma); void rt2800_get_txwi_rxwi_size(struct rt2x00_dev *rt2x00dev, unsigned short *txwi_size, unsigned short *rxwi_size) { switch (rt2x00dev->chip.rt) { case RT3593: case RT3883: *txwi_size = TXWI_DESC_SIZE_4WORDS; *rxwi_size = RXWI_DESC_SIZE_5WORDS; break; case RT5592: case RT6352: *txwi_size = TXWI_DESC_SIZE_5WORDS; *rxwi_size = RXWI_DESC_SIZE_6WORDS; break; default: *txwi_size = TXWI_DESC_SIZE_4WORDS; *rxwi_size = RXWI_DESC_SIZE_4WORDS; break; } } EXPORT_SYMBOL_GPL(rt2800_get_txwi_rxwi_size); static bool rt2800_check_firmware_crc(const u8 *data, const size_t len) { u16 fw_crc; u16 crc; /* * The last 2 bytes in the firmware array are the crc checksum itself, * this means that we should never pass those 2 bytes to the crc * algorithm. */ fw_crc = (data[len - 2] << 8 | data[len - 1]); /* * Use the crc ccitt algorithm. * This will return the same value as the legacy driver which * used bit ordering reversion on the both the firmware bytes * before input input as well as on the final output. * Obviously using crc ccitt directly is much more efficient. */ crc = crc_ccitt(~0, data, len - 2); /* * There is a small difference between the crc-itu-t + bitrev and * the crc-ccitt crc calculation. In the latter method the 2 bytes * will be swapped, use swab16 to convert the crc to the correct * value. */ crc = swab16(crc); return fw_crc == crc; } int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { size_t offset = 0; size_t fw_len; bool multiple; /* * PCI(e) & SOC devices require firmware with a length * of 8kb. USB devices require firmware files with a length * of 4kb. Certain USB chipsets however require different firmware, * which Ralink only provides attached to the original firmware * file. Thus for USB devices, firmware files have a length * which is a multiple of 4kb. The firmware for rt3290 chip also * have a length which is a multiple of 4kb. */ if (rt2x00_is_usb(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290)) fw_len = 4096; else fw_len = 8192; multiple = true; /* * Validate the firmware length */ if (len != fw_len && (!multiple || (len % fw_len) != 0)) return FW_BAD_LENGTH; /* * Check if the chipset requires one of the upper parts * of the firmware. */ if (rt2x00_is_usb(rt2x00dev) && !rt2x00_rt(rt2x00dev, RT2860) && !rt2x00_rt(rt2x00dev, RT2872) && !rt2x00_rt(rt2x00dev, RT3070) && ((len / fw_len) == 1)) return FW_BAD_VERSION; /* * 8kb firmware files must be checked as if it were * 2 separate firmware files. */ while (offset < len) { if (!rt2800_check_firmware_crc(data + offset, fw_len)) return FW_BAD_CRC; offset += fw_len; } return FW_OK; } EXPORT_SYMBOL_GPL(rt2800_check_firmware); int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { unsigned int i; u32 reg; int retval; if (rt2x00_rt(rt2x00dev, RT3290)) { retval = rt2800_enable_wlan_rt3290(rt2x00dev); if (retval) return -EBUSY; } /* * If driver doesn't wake up firmware here, * rt2800_load_firmware will hang forever when interface is up again. */ rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000); /* * Wait for stable hardware. */ if (rt2800_wait_csr_ready(rt2x00dev)) return -EBUSY; if (rt2x00_is_pci(rt2x00dev)) { if (rt2x00_rt(rt2x00dev, RT3290) || rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392)) { reg = rt2800_register_read(rt2x00dev, AUX_CTRL); rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1); rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1); rt2800_register_write(rt2x00dev, AUX_CTRL, reg); } rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002); } rt2800_disable_wpdma(rt2x00dev); /* * Write firmware to the device. */ rt2800_drv_write_firmware(rt2x00dev, data, len); /* * Wait for device to stabilize. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, PBF_SYS_CTRL); if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY)) break; msleep(1); } if (i == REGISTER_BUSY_COUNT) { rt2x00_err(rt2x00dev, "PBF system register not ready\n"); return -EBUSY; } /* * Disable DMA, will be reenabled later when enabling * the radio. */ rt2800_disable_wpdma(rt2x00dev); /* * Initialize firmware. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); if (rt2x00_is_usb(rt2x00dev)) { rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0); rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); } msleep(1); return 0; } EXPORT_SYMBOL_GPL(rt2800_load_firmware); void rt2800_write_tx_data(struct queue_entry *entry, struct txentry_desc *txdesc) { __le32 *txwi = rt2800_drv_get_txwi(entry); u32 word; int i; /* * Initialize TX Info descriptor */ word = rt2x00_desc_read(txwi, 0); rt2x00_set_field32(&word, TXWI_W0_FRAG, test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0); rt2x00_set_field32(&word, TXWI_W0_TS, test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_AMPDU, test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->u.ht.mpdu_density); rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop); rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs); rt2x00_set_field32(&word, TXWI_W0_BW, test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_SHORT_GI, test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc); rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode); rt2x00_desc_write(txwi, 0, word); word = rt2x00_desc_read(txwi, 1); rt2x00_set_field32(&word, TXWI_W1_ACK, test_bit(ENTRY_TXD_ACK, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W1_NSEQ, test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size); rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? txdesc->key_idx : txdesc->u.ht.wcid); rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid); rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1); rt2x00_desc_write(txwi, 1, word); /* * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert * the IV from the IVEIV register when TXD_W3_WIV is set to 0. * When TXD_W3_WIV is set to 1 it will use the IV data * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which * crypto entry in the registers should be used to encrypt the frame. * * Nulify all remaining words as well, we don't know how to program them. */ for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++) _rt2x00_desc_write(txwi, i, 0); } EXPORT_SYMBOL_GPL(rt2800_write_tx_data); static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2) { s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0); s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1); s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2); s8 base_val = rt2x00_rt(rt2x00dev, RT6352) ? -2 : -12; u16 eeprom; u8 offset0; u8 offset1; u8 offset2; if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG); offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0); offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2); offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2); } else { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A); offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0); offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2); offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2); } /* * Convert the value from the descriptor into the RSSI value * If the value in the descriptor is 0, it is considered invalid * and the default (extremely low) rssi value is assumed */ rssi0 = (rssi0) ? (base_val - offset0 - rt2x00dev->lna_gain - rssi0) : -128; rssi1 = (rssi1) ? (base_val - offset1 - rt2x00dev->lna_gain - rssi1) : -128; rssi2 = (rssi2) ? (base_val - offset2 - rt2x00dev->lna_gain - rssi2) : -128; /* * mac80211 only accepts a single RSSI value. Calculating the * average doesn't deliver a fair answer either since -60:-60 would * be considered equally good as -50:-70 while the second is the one * which gives less energy... */ rssi0 = max(rssi0, rssi1); return (int)max(rssi0, rssi2); } void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { __le32 *rxwi = (__le32 *) entry->skb->data; u32 word; word = rt2x00_desc_read(rxwi, 0); rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF); rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT); word = rt2x00_desc_read(rxwi, 1); if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI)) rxdesc->enc_flags |= RX_ENC_FLAG_SHORT_GI; if (rt2x00_get_field32(word, RXWI_W1_BW)) rxdesc->bw = RATE_INFO_BW_40; /* * Detect RX rate, always use MCS as signal type. */ rxdesc->dev_flags |= RXDONE_SIGNAL_MCS; rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS); rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE); /* * Mask of 0x8 bit to remove the short preamble flag. */ if (rxdesc->rate_mode == RATE_MODE_CCK) rxdesc->signal &= ~0x8; word = rt2x00_desc_read(rxwi, 2); /* * Convert descriptor AGC value to RSSI value. */ rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word); /* * Remove RXWI descriptor from start of the buffer. */ skb_pull(entry->skb, entry->queue->winfo_size); } EXPORT_SYMBOL_GPL(rt2800_process_rxwi); static void rt2800_rate_from_status(struct skb_frame_desc *skbdesc, u32 status, enum nl80211_band band) { u8 flags = 0; u8 idx = rt2x00_get_field32(status, TX_STA_FIFO_MCS); switch (rt2x00_get_field32(status, TX_STA_FIFO_PHYMODE)) { case RATE_MODE_HT_GREENFIELD: flags |= IEEE80211_TX_RC_GREEN_FIELD; fallthrough; case RATE_MODE_HT_MIX: flags |= IEEE80211_TX_RC_MCS; break; case RATE_MODE_OFDM: if (band == NL80211_BAND_2GHZ) idx += 4; break; case RATE_MODE_CCK: if (idx >= 8) idx -= 8; break; } if (rt2x00_get_field32(status, TX_STA_FIFO_BW)) flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; if (rt2x00_get_field32(status, TX_STA_FIFO_SGI)) flags |= IEEE80211_TX_RC_SHORT_GI; skbdesc->tx_rate_idx = idx; skbdesc->tx_rate_flags = flags; } static bool rt2800_txdone_entry_check(struct queue_entry *entry, u32 reg) { __le32 *txwi; u32 word; int wcid, ack, pid; int tx_wcid, tx_ack, tx_pid, is_agg; /* * This frames has returned with an IO error, * so the status report is not intended for this * frame. */ if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) return false; wcid = rt2x00_get_field32(reg, TX_STA_FIFO_WCID); ack = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED); pid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE); is_agg = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE); /* * Validate if this TX status report is intended for * this entry by comparing the WCID/ACK/PID fields. */ txwi = rt2800_drv_get_txwi(entry); word = rt2x00_desc_read(txwi, 1); tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID); tx_ack = rt2x00_get_field32(word, TXWI_W1_ACK); tx_pid = rt2x00_get_field32(word, TXWI_W1_PACKETID); if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) { rt2x00_dbg(entry->queue->rt2x00dev, "TX status report missed for queue %d entry %d\n", entry->queue->qid, entry->entry_idx); return false; } return true; } void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi, bool match) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); struct txdone_entry_desc txdesc; u32 word; u16 mcs, real_mcs; int aggr, ampdu, wcid, ack_req; /* * Obtain the status about this packet. */ txdesc.flags = 0; word = rt2x00_desc_read(txwi, 0); mcs = rt2x00_get_field32(word, TXWI_W0_MCS); ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU); real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS); aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE); wcid = rt2x00_get_field32(status, TX_STA_FIFO_WCID); ack_req = rt2x00_get_field32(status, TX_STA_FIFO_TX_ACK_REQUIRED); /* * If a frame was meant to be sent as a single non-aggregated MPDU * but ended up in an aggregate the used tx rate doesn't correlate * with the one specified in the TXWI as the whole aggregate is sent * with the same rate. * * For example: two frames are sent to rt2x00, the first one sets * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0 * and requests MCS15. If the hw aggregates both frames into one * AMDPU the tx status for both frames will contain MCS7 although * the frame was sent successfully. * * Hence, replace the requested rate with the real tx rate to not * confuse the rate control algortihm by providing clearly wrong * data. * * FIXME: if we do not find matching entry, we tell that frame was * posted without any retries. We need to find a way to fix that * and provide retry count. */ if (unlikely((aggr == 1 && ampdu == 0 && real_mcs != mcs)) || !match) { rt2800_rate_from_status(skbdesc, status, rt2x00dev->curr_band); mcs = real_mcs; } if (aggr == 1 || ampdu == 1) __set_bit(TXDONE_AMPDU, &txdesc.flags); if (!ack_req) __set_bit(TXDONE_NO_ACK_REQ, &txdesc.flags); /* * Ralink has a retry mechanism using a global fallback * table. We setup this fallback table to try the immediate * lower rate for all rates. In the TX_STA_FIFO, the MCS field * always contains the MCS used for the last transmission, be * it successful or not. */ if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) { /* * Transmission succeeded. The number of retries is * mcs - real_mcs */ __set_bit(TXDONE_SUCCESS, &txdesc.flags); txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0); } else { /* * Transmission failed. The number of retries is * always 7 in this case (for a total number of 8 * frames sent). */ __set_bit(TXDONE_FAILURE, &txdesc.flags); txdesc.retry = rt2x00dev->long_retry; } /* * the frame was retried at least once * -> hw used fallback rates */ if (txdesc.retry) __set_bit(TXDONE_FALLBACK, &txdesc.flags); if (!match) { /* RCU assures non-null sta will not be freed by mac80211. */ rcu_read_lock(); if (likely(wcid >= WCID_START && wcid <= WCID_END)) skbdesc->sta = drv_data->wcid_to_sta[wcid - WCID_START]; else skbdesc->sta = NULL; rt2x00lib_txdone_nomatch(entry, &txdesc); rcu_read_unlock(); } else { rt2x00lib_txdone(entry, &txdesc); } } EXPORT_SYMBOL_GPL(rt2800_txdone_entry); void rt2800_txdone(struct rt2x00_dev *rt2x00dev, unsigned int quota) { struct data_queue *queue; struct queue_entry *entry; u32 reg; u8 qid; bool match; while (quota-- > 0 && kfifo_get(&rt2x00dev->txstatus_fifo, ®)) { /* * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is * guaranteed to be one of the TX QIDs . */ qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE); queue = rt2x00queue_get_tx_queue(rt2x00dev, qid); if (unlikely(rt2x00queue_empty(queue))) { rt2x00_dbg(rt2x00dev, "Got TX status for an empty queue %u, dropping\n", qid); break; } entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) || !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) { rt2x00_warn(rt2x00dev, "Data pending for entry %u in queue %u\n", entry->entry_idx, qid); break; } match = rt2800_txdone_entry_check(entry, reg); rt2800_txdone_entry(entry, reg, rt2800_drv_get_txwi(entry), match); } } EXPORT_SYMBOL_GPL(rt2800_txdone); static inline bool rt2800_entry_txstatus_timeout(struct rt2x00_dev *rt2x00dev, struct queue_entry *entry) { bool ret; unsigned long tout; if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) return false; if (test_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags)) tout = msecs_to_jiffies(50); else tout = msecs_to_jiffies(2000); ret = time_after(jiffies, entry->last_action + tout); if (unlikely(ret)) rt2x00_dbg(entry->queue->rt2x00dev, "TX status timeout for entry %d in queue %d\n", entry->entry_idx, entry->queue->qid); return ret; } bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; struct queue_entry *entry; tx_queue_for_each(rt2x00dev, queue) { entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); if (rt2800_entry_txstatus_timeout(rt2x00dev, entry)) return true; } return false; } EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout); /* * test if there is an entry in any TX queue for which DMA is done * but the TX status has not been returned yet */ bool rt2800_txstatus_pending(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; tx_queue_for_each(rt2x00dev, queue) { if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) != rt2x00queue_get_entry(queue, Q_INDEX_DONE)) return true; } return false; } EXPORT_SYMBOL_GPL(rt2800_txstatus_pending); void rt2800_txdone_nostatus(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; struct queue_entry *entry; /* * Process any trailing TX status reports for IO failures, * we loop until we find the first non-IO error entry. This * can either be a frame which is free, is being uploaded, * or has completed the upload but didn't have an entry * in the TX_STAT_FIFO register yet. */ tx_queue_for_each(rt2x00dev, queue) { while (!rt2x00queue_empty(queue)) { entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) || !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) break; if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags) || rt2800_entry_txstatus_timeout(rt2x00dev, entry)) rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE); else break; } } } EXPORT_SYMBOL_GPL(rt2800_txdone_nostatus); static bool rt2800_check_hung(struct data_queue *queue) { unsigned int cur_idx = rt2800_drv_get_dma_done(queue); if (queue->wd_idx != cur_idx) { queue->wd_idx = cur_idx; queue->wd_count = 0; } else queue->wd_count++; return queue->wd_count > 16; } static void rt2800_update_survey(struct rt2x00_dev *rt2x00dev) { struct ieee80211_channel *chan = rt2x00dev->hw->conf.chandef.chan; struct rt2x00_chan_survey *chan_survey = &rt2x00dev->chan_survey[chan->hw_value]; chan_survey->time_idle += rt2800_register_read(rt2x00dev, CH_IDLE_STA); chan_survey->time_busy += rt2800_register_read(rt2x00dev, CH_BUSY_STA); chan_survey->time_ext_busy += rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC); } static bool rt2800_watchdog_hung(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; bool hung_tx = false; bool hung_rx = false; rt2800_update_survey(rt2x00dev); queue_for_each(rt2x00dev, queue) { switch (queue->qid) { case QID_AC_VO: case QID_AC_VI: case QID_AC_BE: case QID_AC_BK: case QID_MGMT: if (rt2x00queue_empty(queue)) continue; hung_tx = hung_tx || rt2800_check_hung(queue); break; case QID_RX: /* For station mode we should reactive at least * beacons. TODO: need to find good way detect * RX hung for AP mode. */ if (rt2x00dev->intf_sta_count == 0) continue; hung_rx = hung_rx || rt2800_check_hung(queue); break; default: break; } } if (!hung_tx && !hung_rx) return false; if (hung_tx) rt2x00_warn(rt2x00dev, "Watchdog TX hung detected\n"); if (hung_rx) rt2x00_warn(rt2x00dev, "Watchdog RX hung detected\n"); queue_for_each(rt2x00dev, queue) queue->wd_count = 0; return true; } static bool rt2800_watchdog_dma_busy(struct rt2x00_dev *rt2x00dev) { bool busy_rx, busy_tx; u32 reg_cfg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); u32 reg_int = rt2800_register_read(rt2x00dev, INT_SOURCE_CSR); if (rt2x00_get_field32(reg_cfg, WPDMA_GLO_CFG_RX_DMA_BUSY) && rt2x00_get_field32(reg_int, INT_SOURCE_CSR_RX_COHERENT)) rt2x00dev->rxdma_busy++; else rt2x00dev->rxdma_busy = 0; if (rt2x00_get_field32(reg_cfg, WPDMA_GLO_CFG_TX_DMA_BUSY) && rt2x00_get_field32(reg_int, INT_SOURCE_CSR_TX_COHERENT)) rt2x00dev->txdma_busy++; else rt2x00dev->txdma_busy = 0; busy_rx = rt2x00dev->rxdma_busy > 30; busy_tx = rt2x00dev->txdma_busy > 30; if (!busy_rx && !busy_tx) return false; if (busy_rx) rt2x00_warn(rt2x00dev, "Watchdog RX DMA busy detected\n"); if (busy_tx) rt2x00_warn(rt2x00dev, "Watchdog TX DMA busy detected\n"); rt2x00dev->rxdma_busy = 0; rt2x00dev->txdma_busy = 0; return true; } void rt2800_watchdog(struct rt2x00_dev *rt2x00dev) { bool reset = false; if (test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) return; if (rt2x00dev->link.watchdog & RT2800_WATCHDOG_DMA_BUSY) reset = rt2800_watchdog_dma_busy(rt2x00dev); if (rt2x00dev->link.watchdog & RT2800_WATCHDOG_HANG) reset = rt2800_watchdog_hung(rt2x00dev) || reset; if (reset) ieee80211_restart_hw(rt2x00dev->hw); } EXPORT_SYMBOL_GPL(rt2800_watchdog); static unsigned int rt2800_hw_beacon_base(struct rt2x00_dev *rt2x00dev, unsigned int index) { return HW_BEACON_BASE(index); } static inline u8 rt2800_get_beacon_offset(struct rt2x00_dev *rt2x00dev, unsigned int index) { return BEACON_BASE_TO_OFFSET(rt2800_hw_beacon_base(rt2x00dev, index)); } static void rt2800_update_beacons_setup(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue = rt2x00dev->bcn; struct queue_entry *entry; int i, bcn_num = 0; u64 off, reg = 0; u32 bssid_dw1; /* * Setup offsets of all active beacons in BCN_OFFSET{0,1} registers. */ for (i = 0; i < queue->limit; i++) { entry = &queue->entries[i]; if (!test_bit(ENTRY_BCN_ENABLED, &entry->flags)) continue; off = rt2800_get_beacon_offset(rt2x00dev, entry->entry_idx); reg |= off << (8 * bcn_num); bcn_num++; } rt2800_register_write(rt2x00dev, BCN_OFFSET0, (u32) reg); rt2800_register_write(rt2x00dev, BCN_OFFSET1, (u32) (reg >> 32)); /* * H/W sends up to MAC_BSSID_DW1_BSS_BCN_NUM + 1 consecutive beacons. */ bssid_dw1 = rt2800_register_read(rt2x00dev, MAC_BSSID_DW1); rt2x00_set_field32(&bssid_dw1, MAC_BSSID_DW1_BSS_BCN_NUM, bcn_num > 0 ? bcn_num - 1 : 0); rt2800_register_write(rt2x00dev, MAC_BSSID_DW1, bssid_dw1); } void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; unsigned int padding_len; u32 orig_reg, reg; const int txwi_desc_size = entry->queue->winfo_size; /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); orig_reg = reg; rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Add space for the TXWI in front of the skb. */ memset(skb_push(entry->skb, txwi_desc_size), 0, txwi_desc_size); /* * Register descriptor details in skb frame descriptor. */ skbdesc->flags |= SKBDESC_DESC_IN_SKB; skbdesc->desc = entry->skb->data; skbdesc->desc_len = txwi_desc_size; /* * Add the TXWI for the beacon to the skb. */ rt2800_write_tx_data(entry, txdesc); /* * Dump beacon to userspace through debugfs. */ rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry); /* * Write entire beacon with TXWI and padding to register. */ padding_len = roundup(entry->skb->len, 4) - entry->skb->len; if (padding_len && skb_pad(entry->skb, padding_len)) { rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n"); /* skb freed by skb_pad() on failure */ entry->skb = NULL; rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg); return; } beacon_base = rt2800_hw_beacon_base(rt2x00dev, entry->entry_idx); rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data, entry->skb->len + padding_len); __set_bit(ENTRY_BCN_ENABLED, &entry->flags); /* * Change global beacons settings. */ rt2800_update_beacons_setup(rt2x00dev); /* * Restore beaconing state. */ rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg); /* * Clean up beacon skb. */ dev_kfree_skb_any(entry->skb); entry->skb = NULL; } EXPORT_SYMBOL_GPL(rt2800_write_beacon); static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev, unsigned int index) { int i; const int txwi_desc_size = rt2x00dev->bcn->winfo_size; unsigned int beacon_base; beacon_base = rt2800_hw_beacon_base(rt2x00dev, index); /* * For the Beacon base registers we only need to clear * the whole TXWI which (when set to 0) will invalidate * the entire beacon. */ for (i = 0; i < txwi_desc_size; i += sizeof(__le32)) rt2800_register_write(rt2x00dev, beacon_base + i, 0); } void rt2800_clear_beacon(struct queue_entry *entry) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; u32 orig_reg, reg; /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ orig_reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); reg = orig_reg; rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Clear beacon. */ rt2800_clear_beacon_register(rt2x00dev, entry->entry_idx); __clear_bit(ENTRY_BCN_ENABLED, &entry->flags); /* * Change global beacons settings. */ rt2800_update_beacons_setup(rt2x00dev); /* * Restore beaconing state. */ rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg); } EXPORT_SYMBOL_GPL(rt2800_clear_beacon); #ifdef CONFIG_RT2X00_LIB_DEBUGFS const struct rt2x00debug rt2800_rt2x00debug = { .owner = THIS_MODULE, .csr = { .read = rt2800_register_read, .write = rt2800_register_write, .flags = RT2X00DEBUGFS_OFFSET, .word_base = CSR_REG_BASE, .word_size = sizeof(u32), .word_count = CSR_REG_SIZE / sizeof(u32), }, .eeprom = { /* NOTE: The local EEPROM access functions can't * be used here, use the generic versions instead. */ .read = rt2x00_eeprom_read, .write = rt2x00_eeprom_write, .word_base = EEPROM_BASE, .word_size = sizeof(u16), .word_count = EEPROM_SIZE / sizeof(u16), }, .bbp = { .read = rt2800_bbp_read, .write = rt2800_bbp_write, .word_base = BBP_BASE, .word_size = sizeof(u8), .word_count = BBP_SIZE / sizeof(u8), }, .rf = { .read = rt2x00_rf_read, .write = rt2800_rf_write, .word_base = RF_BASE, .word_size = sizeof(u32), .word_count = RF_SIZE / sizeof(u32), }, .rfcsr = { .read = rt2800_rfcsr_read, .write = rt2800_rfcsr_write, .word_base = RFCSR_BASE, .word_size = sizeof(u8), .word_count = RFCSR_SIZE / sizeof(u8), }, }; EXPORT_SYMBOL_GPL(rt2800_rt2x00debug); #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev) { u32 reg; if (rt2x00_rt(rt2x00dev, RT3290)) { reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL); return rt2x00_get_field32(reg, WLAN_GPIO_IN_BIT0); } else { reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); return rt2x00_get_field32(reg, GPIO_CTRL_VAL2); } } EXPORT_SYMBOL_GPL(rt2800_rfkill_poll); #ifdef CONFIG_RT2X00_LIB_LEDS static void rt2800_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct rt2x00_led *led = container_of(led_cdev, struct rt2x00_led, led_dev); unsigned int enabled = brightness != LED_OFF; unsigned int bg_mode = (enabled && led->rt2x00dev->curr_band == NL80211_BAND_2GHZ); unsigned int polarity = rt2x00_get_field16(led->rt2x00dev->led_mcu_reg, EEPROM_FREQ_LED_POLARITY); unsigned int ledmode = rt2x00_get_field16(led->rt2x00dev->led_mcu_reg, EEPROM_FREQ_LED_MODE); u32 reg; /* Check for SoC (SOC devices don't support MCU requests) */ if (rt2x00_is_soc(led->rt2x00dev)) { reg = rt2800_register_read(led->rt2x00dev, LED_CFG); /* Set LED Polarity */ rt2x00_set_field32(®, LED_CFG_LED_POLAR, polarity); /* Set LED Mode */ if (led->type == LED_TYPE_RADIO) { rt2x00_set_field32(®, LED_CFG_G_LED_MODE, enabled ? 3 : 0); } else if (led->type == LED_TYPE_ASSOC) { rt2x00_set_field32(®, LED_CFG_Y_LED_MODE, enabled ? 3 : 0); } else if (led->type == LED_TYPE_QUALITY) { rt2x00_set_field32(®, LED_CFG_R_LED_MODE, enabled ? 3 : 0); } rt2800_register_write(led->rt2x00dev, LED_CFG, reg); } else { if (led->type == LED_TYPE_RADIO) { rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode, enabled ? 0x20 : 0); } else if (led->type == LED_TYPE_ASSOC) { rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode, enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20); } else if (led->type == LED_TYPE_QUALITY) { /* * The brightness is divided into 6 levels (0 - 5), * The specs tell us the following levels: * 0, 1 ,3, 7, 15, 31 * to determine the level in a simple way we can simply * work with bitshifting: * (1 << level) - 1 */ rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff, (1 << brightness / (LED_FULL / 6)) - 1, polarity); } } } static void rt2800_init_led(struct rt2x00_dev *rt2x00dev, struct rt2x00_led *led, enum led_type type) { led->rt2x00dev = rt2x00dev; led->type = type; led->led_dev.brightness_set = rt2800_brightness_set; led->flags = LED_INITIALIZED; } #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Configuration handlers. */ static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev, const u8 *address, int wcid) { struct mac_wcid_entry wcid_entry; u32 offset; offset = MAC_WCID_ENTRY(wcid); memset(&wcid_entry, 0xff, sizeof(wcid_entry)); if (address) memcpy(wcid_entry.mac, address, ETH_ALEN); rt2800_register_multiwrite(rt2x00dev, offset, &wcid_entry, sizeof(wcid_entry)); } static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid) { u32 offset; offset = MAC_WCID_ATTR_ENTRY(wcid); rt2800_register_write(rt2x00dev, offset, 0); } static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev, int wcid, u32 bssidx) { u32 offset = MAC_WCID_ATTR_ENTRY(wcid); u32 reg; /* * The BSS Idx numbers is split in a main value of 3 bits, * and a extended field for adding one additional bit to the value. */ reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7)); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT, (bssidx & 0x8) >> 3); rt2800_register_write(rt2x00dev, offset, reg); } static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct mac_iveiv_entry iveiv_entry; u32 offset; u32 reg; offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx); if (crypto->cmd == SET_KEY) { reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)); /* * Both the cipher as the BSS Idx numbers are split in a main * value of 3 bits, and a extended field for adding one additional * bit to the value. */ rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, (crypto->cipher & 0x7)); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, (crypto->cipher & 0x8) >> 3); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher); rt2800_register_write(rt2x00dev, offset, reg); } else { /* Delete the cipher without touching the bssidx */ reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, 0); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, 0); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0); rt2800_register_write(rt2x00dev, offset, reg); } if (test_bit(DEVICE_STATE_RESET, &rt2x00dev->flags)) return; offset = MAC_IVEIV_ENTRY(key->hw_key_idx); memset(&iveiv_entry, 0, sizeof(iveiv_entry)); if ((crypto->cipher == CIPHER_TKIP) || (crypto->cipher == CIPHER_TKIP_NO_MIC) || (crypto->cipher == CIPHER_AES)) iveiv_entry.iv[3] |= 0x20; iveiv_entry.iv[3] |= key->keyidx << 6; rt2800_register_multiwrite(rt2x00dev, offset, &iveiv_entry, sizeof(iveiv_entry)); } int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; struct rt2x00_field32 field; u32 offset; u32 reg; if (crypto->cmd == SET_KEY) { key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx; memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); offset = SHARED_KEY_ENTRY(key->hw_key_idx); rt2800_register_multiwrite(rt2x00dev, offset, &key_entry, sizeof(key_entry)); } /* * The cipher types are stored over multiple registers * starting with SHARED_KEY_MODE_BASE each word will have * 32 bits and contains the cipher types for 2 bssidx each. * Using the correct defines correctly will cause overhead, * so just calculate the correct offset. */ field.bit_offset = 4 * (key->hw_key_idx % 8); field.bit_mask = 0x7 << field.bit_offset; offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8); reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, field, (crypto->cmd == SET_KEY) * crypto->cipher); rt2800_register_write(rt2x00dev, offset, reg); /* * Update WCID information */ rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx); rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx, crypto->bssidx); rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key); return 0; } EXPORT_SYMBOL_GPL(rt2800_config_shared_key); int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; u32 offset; if (crypto->cmd == SET_KEY) { /* * Allow key configuration only for STAs that are * known by the hw. */ if (crypto->wcid > WCID_END) return -ENOSPC; key->hw_key_idx = crypto->wcid; memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx); rt2800_register_multiwrite(rt2x00dev, offset, &key_entry, sizeof(key_entry)); } /* * Update WCID information */ rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key); return 0; } EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key); static void rt2800_set_max_psdu_len(struct rt2x00_dev *rt2x00dev) { u8 i, max_psdu; u32 reg; struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; for (i = 0; i < 3; i++) if (drv_data->ampdu_factor_cnt[i] > 0) break; max_psdu = min(drv_data->max_psdu, i); reg = rt2800_register_read(rt2x00dev, MAX_LEN_CFG); rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, max_psdu); rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg); } int rt2800_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct rt2x00_dev *rt2x00dev = hw->priv; struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); int wcid; /* * Limit global maximum TX AMPDU length to smallest value of all * connected stations. In AP mode this can be suboptimal, but we * do not have a choice if some connected STA is not capable to * receive the same amount of data like the others. */ if (sta->deflink.ht_cap.ht_supported) { drv_data->ampdu_factor_cnt[sta->deflink.ht_cap.ampdu_factor & 3]++; rt2800_set_max_psdu_len(rt2x00dev); } /* * Search for the first free WCID entry and return the corresponding * index. */ wcid = find_first_zero_bit(drv_data->sta_ids, STA_IDS_SIZE) + WCID_START; /* * Store selected wcid even if it is invalid so that we can * later decide if the STA is uploaded into the hw. */ sta_priv->wcid = wcid; /* * No space left in the device, however, we can still communicate * with the STA -> No error. */ if (wcid > WCID_END) return 0; __set_bit(wcid - WCID_START, drv_data->sta_ids); drv_data->wcid_to_sta[wcid - WCID_START] = sta; /* * Clean up WCID attributes and write STA address to the device. */ rt2800_delete_wcid_attr(rt2x00dev, wcid); rt2800_config_wcid(rt2x00dev, sta->addr, wcid); rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid, rt2x00lib_get_bssidx(rt2x00dev, vif)); return 0; } EXPORT_SYMBOL_GPL(rt2800_sta_add); int rt2800_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct rt2x00_dev *rt2x00dev = hw->priv; struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); int wcid = sta_priv->wcid; if (sta->deflink.ht_cap.ht_supported) { drv_data->ampdu_factor_cnt[sta->deflink.ht_cap.ampdu_factor & 3]--; rt2800_set_max_psdu_len(rt2x00dev); } if (wcid > WCID_END) return 0; /* * Remove WCID entry, no need to clean the attributes as they will * get renewed when the WCID is reused. */ rt2800_config_wcid(rt2x00dev, NULL, wcid); drv_data->wcid_to_sta[wcid - WCID_START] = NULL; __clear_bit(wcid - WCID_START, drv_data->sta_ids); return 0; } EXPORT_SYMBOL_GPL(rt2800_sta_remove); void rt2800_pre_reset_hw(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; struct data_queue *queue = rt2x00dev->bcn; struct queue_entry *entry; int i, wcid; for (wcid = WCID_START; wcid < WCID_END; wcid++) { drv_data->wcid_to_sta[wcid - WCID_START] = NULL; __clear_bit(wcid - WCID_START, drv_data->sta_ids); } for (i = 0; i < queue->limit; i++) { entry = &queue->entries[i]; clear_bit(ENTRY_BCN_ASSIGNED, &entry->flags); } } EXPORT_SYMBOL_GPL(rt2800_pre_reset_hw); void rt2800_config_filter(struct rt2x00_dev *rt2x00dev, const unsigned int filter_flags) { u32 reg; /* * Start configuration steps. * Note that the version error will always be dropped * and broadcast frames will always be accepted since * there is no filter for it at this time. */ reg = rt2800_register_read(rt2x00dev, RX_FILTER_CFG); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CRC_ERROR, !(filter_flags & FIF_FCSFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PHY_ERROR, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME, !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_VER_ERROR, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_MULTICAST, !(filter_flags & FIF_ALLMULTI)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BROADCAST, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_DUPLICATE, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END_ACK, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_ACK, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CTS, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_RTS, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PSPOLL, !(filter_flags & FIF_PSPOLL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BA, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BAR, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CNTL, !(filter_flags & FIF_CONTROL)); rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg); } EXPORT_SYMBOL_GPL(rt2800_config_filter); void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct rt2x00intf_conf *conf, const unsigned int flags) { u32 reg; bool update_bssid = false; if (flags & CONFIG_UPDATE_TYPE) { /* * Enable synchronisation. */ reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, conf->sync); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); if (conf->sync == TSF_SYNC_AP_NONE) { /* * Tune beacon queue transmit parameters for AP mode */ reg = rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 0); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 1); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32); rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 0); rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg); } else { reg = rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 4); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 2); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32); rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 16); rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg); } } if (flags & CONFIG_UPDATE_MAC) { if (flags & CONFIG_UPDATE_TYPE && conf->sync == TSF_SYNC_AP_NONE) { /* * The BSSID register has to be set to our own mac * address in AP mode. */ memcpy(conf->bssid, conf->mac, sizeof(conf->mac)); update_bssid = true; } if (!is_zero_ether_addr((const u8 *)conf->mac)) { reg = le32_to_cpu(conf->mac[1]); rt2x00_set_field32(®, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff); conf->mac[1] = cpu_to_le32(reg); } rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0, conf->mac, sizeof(conf->mac)); } if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) { if (!is_zero_ether_addr((const u8 *)conf->bssid)) { reg = le32_to_cpu(conf->bssid[1]); rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_ID_MASK, 3); rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_BCN_NUM, 0); conf->bssid[1] = cpu_to_le32(reg); } rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0, conf->bssid, sizeof(conf->bssid)); } } EXPORT_SYMBOL_GPL(rt2800_config_intf); static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp) { bool any_sta_nongf = !!(erp->ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION; u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode; u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate; u32 reg; /* default protection rate for HT20: OFDM 24M */ mm20_rate = gf20_rate = 0x4004; /* default protection rate for HT40: duplicate OFDM 24M */ mm40_rate = gf40_rate = 0x4084; switch (protection) { case IEEE80211_HT_OP_MODE_PROTECTION_NONE: /* * All STAs in this BSS are HT20/40 but there might be * STAs not supporting greenfield mode. * => Disable protection for HT transmissions. */ mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0; break; case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: /* * All STAs in this BSS are HT20 or HT20/40 but there * might be STAs not supporting greenfield mode. * => Protect all HT40 transmissions. */ mm20_mode = gf20_mode = 0; mm40_mode = gf40_mode = 1; break; case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: /* * Nonmember protection: * According to 802.11n we _should_ protect all * HT transmissions (but we don't have to). * * But if cts_protection is enabled we _shall_ protect * all HT transmissions using a CCK rate. * * And if any station is non GF we _shall_ protect * GF transmissions. * * We decide to protect everything * -> fall through to mixed mode. */ case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: /* * Legacy STAs are present * => Protect all HT transmissions. */ mm20_mode = mm40_mode = gf20_mode = gf40_mode = 1; /* * If erp protection is needed we have to protect HT * transmissions with CCK 11M long preamble. */ if (erp->cts_protection) { /* don't duplicate RTS/CTS in CCK mode */ mm20_rate = mm40_rate = 0x0003; gf20_rate = gf40_rate = 0x0003; } break; } /* check for STAs not supporting greenfield mode */ if (any_sta_nongf) gf20_mode = gf40_mode = 1; /* Update HT protection config */ reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, mm20_rate); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode); rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, mm40_rate); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode); rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, gf20_rate); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode); rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, gf40_rate); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode); rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg); } void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp, u32 changed) { u32 reg; if (changed & BSS_CHANGED_ERP_PREAMBLE) { reg = rt2800_register_read(rt2x00dev, AUTO_RSP_CFG); rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, !!erp->short_preamble); rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg); } if (changed & BSS_CHANGED_ERP_CTS_PROT) { reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, erp->cts_protection ? 2 : 0); rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg); } if (changed & BSS_CHANGED_BASIC_RATES) { rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0xff0 | erp->basic_rates); rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); } if (changed & BSS_CHANGED_ERP_SLOT) { reg = rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG); rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time); rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg); reg = rt2800_register_read(rt2x00dev, XIFS_TIME_CFG); rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, erp->eifs); rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg); } if (changed & BSS_CHANGED_BEACON_INT) { reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, erp->beacon_int * 16); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); } if (changed & BSS_CHANGED_HT) rt2800_config_ht_opmode(rt2x00dev, erp); } EXPORT_SYMBOL_GPL(rt2800_config_erp); static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev, const struct rt2x00_field32 mask) { unsigned int i; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); if (!rt2x00_get_field32(reg, mask)) return 0; udelay(REGISTER_BUSY_DELAY); } rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n"); return -EACCES; } static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u8 value; /* * BBP was enabled after firmware was loaded, * but we need to reactivate it now. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); msleep(1); for (i = 0; i < REGISTER_BUSY_COUNT; i++) { value = rt2800_bbp_read(rt2x00dev, 0); if ((value != 0xff) && (value != 0x00)) return 0; udelay(REGISTER_BUSY_DELAY); } rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n"); return -EACCES; } static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 eeprom; u8 led_ctrl, led_g_mode, led_r_mode; reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH); if (rt2x00dev->curr_band == NL80211_BAND_5GHZ) { rt2x00_set_field32(®, GPIO_SWITCH_0, 1); rt2x00_set_field32(®, GPIO_SWITCH_1, 1); } else { rt2x00_set_field32(®, GPIO_SWITCH_0, 0); rt2x00_set_field32(®, GPIO_SWITCH_1, 0); } rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); reg = rt2800_register_read(rt2x00dev, LED_CFG); led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0; led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3; if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) || led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ); led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE); if (led_ctrl == 0 || led_ctrl > 0x40) { rt2x00_set_field32(®, LED_CFG_G_LED_MODE, led_g_mode); rt2x00_set_field32(®, LED_CFG_R_LED_MODE, led_r_mode); rt2800_register_write(rt2x00dev, LED_CFG, reg); } else { rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff, (led_g_mode << 2) | led_r_mode, 1); } } } static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev, enum antenna ant) { u32 reg; u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0; u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1; if (rt2x00_is_pci(rt2x00dev)) { reg = rt2800_register_read(rt2x00dev, E2PROM_CSR); rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, eesk_pin); rt2800_register_write(rt2x00dev, E2PROM_CSR, reg); } else if (rt2x00_is_usb(rt2x00dev)) rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff, eesk_pin, 0); reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); rt2x00_set_field32(®, GPIO_CTRL_DIR3, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL3, gpio_bit3); rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); } void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { u8 r1; u8 r3; u16 eeprom; r1 = rt2800_bbp_read(rt2x00dev, 1); r3 = rt2800_bbp_read(rt2x00dev, 3); if (rt2x00_rt(rt2x00dev, RT3572) && rt2x00_has_cap_bt_coexist(rt2x00dev)) rt2800_config_3572bt_ant(rt2x00dev); /* * Configure the TX antenna. */ switch (ant->tx_chain_num) { case 1: rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0); break; case 2: if (rt2x00_rt(rt2x00dev, RT3572) && rt2x00_has_cap_bt_coexist(rt2x00dev)) rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1); else rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2); break; case 3: rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2); break; } /* * Configure the RX antenna. */ switch (ant->rx_chain_num) { case 1: if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3352) || rt2x00_rt(rt2x00dev, RT3390)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY)) rt2800_set_ant_diversity(rt2x00dev, rt2x00dev->default_ant.rx); } rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0); break; case 2: if (rt2x00_rt(rt2x00dev, RT3572) && rt2x00_has_cap_bt_coexist(rt2x00dev)) { rt2x00_set_field8(&r3, BBP3_RX_ADC, 1); rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, rt2x00dev->curr_band == NL80211_BAND_5GHZ); rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B); } else { rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1); } break; case 3: rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2); break; } rt2800_bbp_write(rt2x00dev, 3, r3); rt2800_bbp_write(rt2x00dev, 1, r1); if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) { if (ant->rx_chain_num == 1) rt2800_bbp_write(rt2x00dev, 86, 0x00); else rt2800_bbp_write(rt2x00dev, 86, 0x46); } } EXPORT_SYMBOL_GPL(rt2800_config_ant); static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u16 eeprom; short lna_gain; if (libconf->rf.channel <= 14) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA); lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG); } else if (libconf->rf.channel <= 64) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA); lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0); } else if (libconf->rf.channel <= 128) { if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2); lna_gain = rt2x00_get_field16(eeprom, EEPROM_EXT_LNA2_A1); } else { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2); lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1); } } else { if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2); lna_gain = rt2x00_get_field16(eeprom, EEPROM_EXT_LNA2_A2); } else { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2); lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2); } } rt2x00dev->lna_gain = lna_gain; } static inline bool rt2800_clk_is_20mhz(struct rt2x00_dev *rt2x00dev) { return clk_get_rate(rt2x00dev->clk) == 20000000; } #define FREQ_OFFSET_BOUND 0x5f static void rt2800_freq_cal_mode1(struct rt2x00_dev *rt2x00dev) { u8 freq_offset, prev_freq_offset; u8 rfcsr, prev_rfcsr; freq_offset = rt2x00_get_field8(rt2x00dev->freq_offset, RFCSR17_CODE); freq_offset = min_t(u8, freq_offset, FREQ_OFFSET_BOUND); rfcsr = rt2800_rfcsr_read(rt2x00dev, 17); prev_rfcsr = rfcsr; rt2x00_set_field8(&rfcsr, RFCSR17_CODE, freq_offset); if (rfcsr == prev_rfcsr) return; if (rt2x00_is_usb(rt2x00dev)) { rt2800_mcu_request(rt2x00dev, MCU_FREQ_OFFSET, 0xff, freq_offset, prev_rfcsr); return; } prev_freq_offset = rt2x00_get_field8(prev_rfcsr, RFCSR17_CODE); while (prev_freq_offset != freq_offset) { if (prev_freq_offset < freq_offset) prev_freq_offset++; else prev_freq_offset--; rt2x00_set_field8(&rfcsr, RFCSR17_CODE, prev_freq_offset); rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); usleep_range(1000, 1500); } } static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset); if (rt2x00dev->default_ant.tx_chain_num == 1) rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1); if (rt2x00dev->default_ant.rx_chain_num == 1) { rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1); rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1); } else if (rt2x00dev->default_ant.rx_chain_num == 2) rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1); if (rf->channel > 14) { /* * When TX power is below 0, we should increase it by 7 to * make it a positive value (Minimum value is -7). * However this means that values between 0 and 7 have * double meaning, and we should set a 7DBm boost flag. */ rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST, (info->default_power1 >= 0)); if (info->default_power1 < 0) info->default_power1 += 7; rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1); rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST, (info->default_power2 >= 0)); if (info->default_power2 < 0) info->default_power2 += 7; rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2); } else { rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1); rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2); } rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf)); rt2800_rf_write(rt2x00dev, 1, rf->rf1); rt2800_rf_write(rt2x00dev, 2, rf->rf2); rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800_rf_write(rt2x00dev, 1, rf->rf1); rt2800_rf_write(rt2x00dev, 2, rf->rf2); rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); rt2800_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800_rf_write(rt2x00dev, 1, rf->rf1); rt2800_rf_write(rt2x00dev, 2, rf->rf2); rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800_rf_write(rt2x00dev, 4, rf->rf4); } static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rfcsr, calib_tx, calib_rx; rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1); rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 12); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 12, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 13); rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2); rt2800_rfcsr_write(rt2x00dev, 13, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, rt2x00dev->default_ant.rx_chain_num <= 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, rt2x00dev->default_ant.rx_chain_num <= 2); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, rt2x00dev->default_ant.tx_chain_num <= 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, rt2x00dev->default_ant.tx_chain_num <= 2); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 23); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 23, rfcsr); if (rt2x00_rt(rt2x00dev, RT3390)) { calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f; calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f; } else { if (conf_is_ht40(conf)) { calib_tx = drv_data->calibration_bw40; calib_rx = drv_data->calibration_bw40; } else { calib_tx = drv_data->calibration_bw20; calib_rx = drv_data->calibration_bw20; } } rfcsr = rt2800_rfcsr_read(rt2x00dev, 24); rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx); rt2800_rfcsr_write(rt2x00dev, 24, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 31); rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx); rt2800_rfcsr_write(rt2x00dev, 31, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 7); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); usleep_range(1000, 1500); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); } static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rfcsr; u32 reg; if (rf->channel <= 14) { rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25); rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26); } else { rt2800_bbp_write(rt2x00dev, 25, 0x09); rt2800_bbp_write(rt2x00dev, 26, 0xff); } rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2); else rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 5); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1); else rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2); rt2800_rfcsr_write(rt2x00dev, 5, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 12); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1); } else { rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, (info->default_power1 & 0x3) | ((info->default_power1 & 0xC) << 1)); } rt2800_rfcsr_write(rt2x00dev, 12, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 13); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3); rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2); } else { rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7); rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, (info->default_power2 & 0x3) | ((info->default_power2 & 0xC) << 1)); } rt2800_rfcsr_write(rt2x00dev, 13, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); if (rt2x00_has_cap_bt_coexist(rt2x00dev)) { if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); } rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); } else { switch (rt2x00dev->default_ant.tx_chain_num) { case 1: rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 1: rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); break; } } rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 23); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 23, rfcsr); if (conf_is_ht40(conf)) { rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40); rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40); } else { rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20); rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20); } if (rf->channel <= 14) { rt2800_rfcsr_write(rt2x00dev, 7, 0xd8); rt2800_rfcsr_write(rt2x00dev, 9, 0xc3); rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); rt2800_rfcsr_write(rt2x00dev, 11, 0xb9); rt2800_rfcsr_write(rt2x00dev, 15, 0x53); rfcsr = 0x4c; rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN, drv_data->txmixer_gain_24g); rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); rt2800_rfcsr_write(rt2x00dev, 17, 0x23); rt2800_rfcsr_write(rt2x00dev, 19, 0x93); rt2800_rfcsr_write(rt2x00dev, 20, 0xb3); rt2800_rfcsr_write(rt2x00dev, 25, 0x15); rt2800_rfcsr_write(rt2x00dev, 26, 0x85); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x9b); } else { rfcsr = rt2800_rfcsr_read(rt2x00dev, 7); rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1); rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0); rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1); rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); rt2800_rfcsr_write(rt2x00dev, 9, 0xc0); rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); rt2800_rfcsr_write(rt2x00dev, 11, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x43); rfcsr = 0x7a; rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN, drv_data->txmixer_gain_5g); rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); rt2800_rfcsr_write(rt2x00dev, 17, 0x23); if (rf->channel <= 64) { rt2800_rfcsr_write(rt2x00dev, 19, 0xb7); rt2800_rfcsr_write(rt2x00dev, 20, 0xf6); rt2800_rfcsr_write(rt2x00dev, 25, 0x3d); } else if (rf->channel <= 128) { rt2800_rfcsr_write(rt2x00dev, 19, 0x74); rt2800_rfcsr_write(rt2x00dev, 20, 0xf4); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); } else { rt2800_rfcsr_write(rt2x00dev, 19, 0x72); rt2800_rfcsr_write(rt2x00dev, 20, 0xf3); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); } rt2800_rfcsr_write(rt2x00dev, 26, 0x87); rt2800_rfcsr_write(rt2x00dev, 27, 0x01); rt2800_rfcsr_write(rt2x00dev, 29, 0x9f); } reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); rt2x00_set_field32(®, GPIO_CTRL_DIR7, 0); if (rf->channel <= 14) rt2x00_set_field32(®, GPIO_CTRL_VAL7, 1); else rt2x00_set_field32(®, GPIO_CTRL_VAL7, 0); rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); rfcsr = rt2800_rfcsr_read(rt2x00dev, 7); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); } static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 txrx_agc_fc; u8 txrx_h20m; u8 rfcsr; u8 bbp; const bool txbf_enabled = false; /* TODO */ /* TODO: use TX{0,1,2}FinePowerControl values from EEPROM */ bbp = rt2800_bbp_read(rt2x00dev, 109); rt2x00_set_field8(&bbp, BBP109_TX0_POWER, 0); rt2x00_set_field8(&bbp, BBP109_TX1_POWER, 0); rt2800_bbp_write(rt2x00dev, 109, bbp); bbp = rt2800_bbp_read(rt2x00dev, 110); rt2x00_set_field8(&bbp, BBP110_TX2_POWER, 0); rt2800_bbp_write(rt2x00dev, 110, bbp); if (rf->channel <= 14) { /* Restore BBP 25 & 26 for 2.4 GHz */ rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25); rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26); } else { /* Hard code BBP 25 & 26 for 5GHz */ /* Enable IQ Phase correction */ rt2800_bbp_write(rt2x00dev, 25, 0x09); /* Setup IQ Phase correction value */ rt2800_bbp_write(rt2x00dev, 26, 0xff); } rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3 & 0xf); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_R, (rf->rf2 & 0x3)); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_PLL_IDOH, 1); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 1); else rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 2); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 53); if (rf->channel <= 14) { rfcsr = 0; rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER, info->default_power1 & 0x1f); } else { if (rt2x00_is_usb(rt2x00dev)) rfcsr = 0x40; rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER, ((info->default_power1 & 0x18) << 1) | (info->default_power1 & 7)); } rt2800_rfcsr_write(rt2x00dev, 53, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 55); if (rf->channel <= 14) { rfcsr = 0; rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER, info->default_power2 & 0x1f); } else { if (rt2x00_is_usb(rt2x00dev)) rfcsr = 0x40; rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER, ((info->default_power2 & 0x18) << 1) | (info->default_power2 & 7)); } rt2800_rfcsr_write(rt2x00dev, 55, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 54); if (rf->channel <= 14) { rfcsr = 0; rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER, info->default_power3 & 0x1f); } else { if (rt2x00_is_usb(rt2x00dev)) rfcsr = 0x40; rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER, ((info->default_power3 & 0x18) << 1) | (info->default_power3 & 7)); } rt2800_rfcsr_write(rt2x00dev, 54, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); switch (rt2x00dev->default_ant.tx_chain_num) { case 3: rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); fallthrough; case 1: rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 3: rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); fallthrough; case 1: rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); break; } rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); if (conf_is_ht40(conf)) { txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40, RFCSR24_TX_AGC_FC); txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw40, RFCSR24_TX_H20M); } else { txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw20, RFCSR24_TX_AGC_FC); txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw20, RFCSR24_TX_H20M); } /* NOTE: the reference driver does not writes the new value * back to RFCSR 32 */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 32); rt2x00_set_field8(&rfcsr, RFCSR32_TX_AGC_FC, txrx_agc_fc); if (rf->channel <= 14) rfcsr = 0xa0; else rfcsr = 0x80; rt2800_rfcsr_write(rt2x00dev, 31, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, txrx_h20m); rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, txrx_h20m); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); /* Band selection */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 36); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1); else rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0); rt2800_rfcsr_write(rt2x00dev, 36, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 34); if (rf->channel <= 14) rfcsr = 0x3c; else rfcsr = 0x20; rt2800_rfcsr_write(rt2x00dev, 34, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 12); if (rf->channel <= 14) rfcsr = 0x1a; else rfcsr = 0x12; rt2800_rfcsr_write(rt2x00dev, 12, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); if (rf->channel >= 1 && rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1); else if (rf->channel >= 36 && rf->channel <= 64) rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2); else if (rf->channel >= 100 && rf->channel <= 128) rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2); else rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); rt2800_rfcsr_write(rt2x00dev, 46, 0x60); if (rf->channel <= 14) { rt2800_rfcsr_write(rt2x00dev, 10, 0xd3); rt2800_rfcsr_write(rt2x00dev, 13, 0x12); } else { rt2800_rfcsr_write(rt2x00dev, 10, 0xd8); rt2800_rfcsr_write(rt2x00dev, 13, 0x23); } rfcsr = rt2800_rfcsr_read(rt2x00dev, 51); rt2x00_set_field8(&rfcsr, RFCSR51_BITS01, 1); rt2800_rfcsr_write(rt2x00dev, 51, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 51); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 5); rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 3); } else { rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 4); rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 2); } rt2800_rfcsr_write(rt2x00dev, 51, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 49); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 3); else rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 2); if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR49_TX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 50); rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 57); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x1b); else rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x0f); rt2800_rfcsr_write(rt2x00dev, 57, rfcsr); if (rf->channel <= 14) { rt2800_rfcsr_write(rt2x00dev, 44, 0x93); rt2800_rfcsr_write(rt2x00dev, 52, 0x45); } else { rt2800_rfcsr_write(rt2x00dev, 44, 0x9b); rt2800_rfcsr_write(rt2x00dev, 52, 0x05); } /* Initiate VCO calibration */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); } else { rt2x00_set_field8(&rfcsr, RFCSR3_BIT1, 1); rt2x00_set_field8(&rfcsr, RFCSR3_BIT2, 1); rt2x00_set_field8(&rfcsr, RFCSR3_BIT3, 1); rt2x00_set_field8(&rfcsr, RFCSR3_BIT4, 1); rt2x00_set_field8(&rfcsr, RFCSR3_BIT5, 1); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); } rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); if (rf->channel >= 1 && rf->channel <= 14) { rfcsr = 0x23; if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); rt2800_rfcsr_write(rt2x00dev, 45, 0xbb); } else if (rf->channel >= 36 && rf->channel <= 64) { rfcsr = 0x36; if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 39, 0x36); rt2800_rfcsr_write(rt2x00dev, 45, 0xeb); } else if (rf->channel >= 100 && rf->channel <= 128) { rfcsr = 0x32; if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); rt2800_rfcsr_write(rt2x00dev, 45, 0xb3); } else { rfcsr = 0x30; if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); rt2800_rfcsr_write(rt2x00dev, 45, 0x9b); } } static void rt2800_config_channel_rf3853(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; u8 bbp; u8 pwr1, pwr2, pwr3; const bool txbf_enabled = false; /* TODO */ /* TODO: add band selection */ if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 6, 0x40); else if (rf->channel < 132) rt2800_rfcsr_write(rt2x00dev, 6, 0x80); else rt2800_rfcsr_write(rt2x00dev, 6, 0x40); rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 11, 0x46); else rt2800_rfcsr_write(rt2x00dev, 11, 0x48); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 12, 0x1a); else rt2800_rfcsr_write(rt2x00dev, 12, 0x52); rt2800_rfcsr_write(rt2x00dev, 13, 0x12); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); switch (rt2x00dev->default_ant.tx_chain_num) { case 3: rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); fallthrough; case 1: rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 3: rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); fallthrough; case 1: rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); break; } rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); if (!conf_is_ht40(conf)) rfcsr &= ~(0x06); else rfcsr |= 0x06; rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 31, 0xa0); else rt2800_rfcsr_write(rt2x00dev, 31, 0x80); if (conf_is_ht40(conf)) rt2800_rfcsr_write(rt2x00dev, 32, 0x80); else rt2800_rfcsr_write(rt2x00dev, 32, 0xd8); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 34, 0x3c); else rt2800_rfcsr_write(rt2x00dev, 34, 0x20); /* loopback RF_BS */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 36); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1); else rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0); rt2800_rfcsr_write(rt2x00dev, 36, rfcsr); if (rf->channel <= 14) rfcsr = 0x23; else if (rf->channel < 100) rfcsr = 0x36; else if (rf->channel < 132) rfcsr = 0x32; else rfcsr = 0x30; if (txbf_enabled) rfcsr |= 0x40; rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 44, 0x93); else rt2800_rfcsr_write(rt2x00dev, 44, 0x9b); if (rf->channel <= 14) rfcsr = 0xbb; else if (rf->channel < 100) rfcsr = 0xeb; else if (rf->channel < 132) rfcsr = 0xb3; else rfcsr = 0x9b; rt2800_rfcsr_write(rt2x00dev, 45, rfcsr); if (rf->channel <= 14) rfcsr = 0x8e; else rfcsr = 0x8a; if (txbf_enabled) rfcsr |= 0x20; rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); rt2800_rfcsr_write(rt2x00dev, 50, 0x86); rfcsr = rt2800_rfcsr_read(rt2x00dev, 51); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 51, 0x75); else rt2800_rfcsr_write(rt2x00dev, 51, 0x51); rfcsr = rt2800_rfcsr_read(rt2x00dev, 52); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 52, 0x45); else rt2800_rfcsr_write(rt2x00dev, 52, 0x05); if (rf->channel <= 14) { pwr1 = info->default_power1 & 0x1f; pwr2 = info->default_power2 & 0x1f; pwr3 = info->default_power3 & 0x1f; } else { pwr1 = 0x48 | ((info->default_power1 & 0x18) << 1) | (info->default_power1 & 0x7); pwr2 = 0x48 | ((info->default_power2 & 0x18) << 1) | (info->default_power2 & 0x7); pwr3 = 0x48 | ((info->default_power3 & 0x18) << 1) | (info->default_power3 & 0x7); } rt2800_rfcsr_write(rt2x00dev, 53, pwr1); rt2800_rfcsr_write(rt2x00dev, 54, pwr2); rt2800_rfcsr_write(rt2x00dev, 55, pwr3); rt2x00_dbg(rt2x00dev, "Channel:%d, pwr1:%02x, pwr2:%02x, pwr3:%02x\n", rf->channel, pwr1, pwr2, pwr3); bbp = (info->default_power1 >> 5) | ((info->default_power2 & 0xe0) >> 1); rt2800_bbp_write(rt2x00dev, 109, bbp); bbp = rt2800_bbp_read(rt2x00dev, 110); bbp &= 0x0f; bbp |= (info->default_power3 & 0xe0) >> 1; rt2800_bbp_write(rt2x00dev, 110, bbp); rfcsr = rt2800_rfcsr_read(rt2x00dev, 57); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 57, 0x6e); else rt2800_rfcsr_write(rt2x00dev, 57, 0x3e); /* Enable RF tuning */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); udelay(2000); bbp = rt2800_bbp_read(rt2x00dev, 49); /* clear update flag */ rt2800_bbp_write(rt2x00dev, 49, bbp & 0xfe); rt2800_bbp_write(rt2x00dev, 49, bbp); /* TODO: add calibration for TxBF */ } #define POWER_BOUND 0x27 #define POWER_BOUND_5G 0x2b static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 49); if (info->default_power1 > POWER_BOUND) rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND); else rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); if (rf->channel <= 14) { if (rf->channel == 6) rt2800_bbp_write(rt2x00dev, 68, 0x0c); else rt2800_bbp_write(rt2x00dev, 68, 0x0b); if (rf->channel >= 1 && rf->channel <= 6) rt2800_bbp_write(rt2x00dev, 59, 0x0f); else if (rf->channel >= 7 && rf->channel <= 11) rt2800_bbp_write(rt2x00dev, 59, 0x0e); else if (rf->channel >= 12 && rf->channel <= 14) rt2800_bbp_write(rt2x00dev, 59, 0x0d); } } static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3); rt2800_rfcsr_write(rt2x00dev, 11, 0x42); rt2800_rfcsr_write(rt2x00dev, 12, 0x1c); rt2800_rfcsr_write(rt2x00dev, 13, 0x00); if (info->default_power1 > POWER_BOUND) rt2800_rfcsr_write(rt2x00dev, 47, POWER_BOUND); else rt2800_rfcsr_write(rt2x00dev, 47, info->default_power1); if (info->default_power2 > POWER_BOUND) rt2800_rfcsr_write(rt2x00dev, 48, POWER_BOUND); else rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2); rt2800_freq_cal_mode1(rt2x00dev); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); if ( rt2x00dev->default_ant.tx_chain_num == 2 ) rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); else rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); if ( rt2x00dev->default_ant.rx_chain_num == 2 ) rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); else rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_rfcsr_write(rt2x00dev, 31, 80); } static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; int idx = rf->channel-1; rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 49); if (info->default_power1 > POWER_BOUND) rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND); else rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); if (rt2x00_rt(rt2x00dev, RT5392)) { rfcsr = rt2800_rfcsr_read(rt2x00dev, 50); if (info->default_power2 > POWER_BOUND) rt2x00_set_field8(&rfcsr, RFCSR50_TX, POWER_BOUND); else rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); } rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); if (rt2x00_rt(rt2x00dev, RT5392)) { rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); } rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); if (rt2x00_has_cap_bt_coexist(rt2x00dev)) { if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { /* r55/r59 value array of channel 1~14 */ static const u8 r55_bt_rev[] = {0x83, 0x83, 0x83, 0x73, 0x73, 0x63, 0x53, 0x53, 0x53, 0x43, 0x43, 0x43, 0x43, 0x43}; static const u8 r59_bt_rev[] = {0x0e, 0x0e, 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07}; rt2800_rfcsr_write(rt2x00dev, 55, r55_bt_rev[idx]); rt2800_rfcsr_write(rt2x00dev, 59, r59_bt_rev[idx]); } else { static const u8 r59_bt[] = {0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89, 0x88, 0x88, 0x86, 0x85, 0x84}; rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]); } } else { if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { static const u8 r55_nonbt_rev[] = {0x23, 0x23, 0x23, 0x23, 0x13, 0x13, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03}; static const u8 r59_nonbt_rev[] = {0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x06, 0x05, 0x04, 0x04}; rt2800_rfcsr_write(rt2x00dev, 55, r55_nonbt_rev[idx]); rt2800_rfcsr_write(rt2x00dev, 59, r59_nonbt_rev[idx]); } else if (rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392) || rt2x00_rt(rt2x00dev, RT6352)) { static const u8 r59_non_bt[] = {0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d, 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86}; rt2800_rfcsr_write(rt2x00dev, 59, r59_non_bt[idx]); } else if (rt2x00_rt(rt2x00dev, RT5350)) { static const u8 r59_non_bt[] = {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a, 0x0a, 0x09, 0x08, 0x07, 0x07, 0x06}; rt2800_rfcsr_write(rt2x00dev, 59, r59_non_bt[idx]); } } } static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr, ep_reg; u32 reg; int power_bound; /* TODO */ const bool is_11b = false; const bool is_type_ep = false; reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, (rf->channel > 14 || conf_is_ht40(conf)) ? 5 : 0); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); /* Order of values on rf_channel entry: N, K, mod, R */ rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1 & 0xff); rfcsr = rt2800_rfcsr_read(rt2x00dev, 9); rt2x00_set_field8(&rfcsr, RFCSR9_K, rf->rf2 & 0xf); rt2x00_set_field8(&rfcsr, RFCSR9_N, (rf->rf1 & 0x100) >> 8); rt2x00_set_field8(&rfcsr, RFCSR9_MOD, ((rf->rf3 - 8) & 0x4) >> 2); rt2800_rfcsr_write(rt2x00dev, 9, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf4 - 1); rt2x00_set_field8(&rfcsr, RFCSR11_MOD, (rf->rf3 - 8) & 0x3); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); if (rf->channel <= 14) { rt2800_rfcsr_write(rt2x00dev, 10, 0x90); /* FIXME: RF11 owerwrite ? */ rt2800_rfcsr_write(rt2x00dev, 11, 0x4A); rt2800_rfcsr_write(rt2x00dev, 12, 0x52); rt2800_rfcsr_write(rt2x00dev, 13, 0x42); rt2800_rfcsr_write(rt2x00dev, 22, 0x40); rt2800_rfcsr_write(rt2x00dev, 24, 0x4A); rt2800_rfcsr_write(rt2x00dev, 25, 0x80); rt2800_rfcsr_write(rt2x00dev, 27, 0x42); rt2800_rfcsr_write(rt2x00dev, 36, 0x80); rt2800_rfcsr_write(rt2x00dev, 37, 0x08); rt2800_rfcsr_write(rt2x00dev, 38, 0x89); rt2800_rfcsr_write(rt2x00dev, 39, 0x1B); rt2800_rfcsr_write(rt2x00dev, 40, 0x0D); rt2800_rfcsr_write(rt2x00dev, 41, 0x9B); rt2800_rfcsr_write(rt2x00dev, 42, 0xD5); rt2800_rfcsr_write(rt2x00dev, 43, 0x72); rt2800_rfcsr_write(rt2x00dev, 44, 0x0E); rt2800_rfcsr_write(rt2x00dev, 45, 0xA2); rt2800_rfcsr_write(rt2x00dev, 46, 0x6B); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 51, 0x3E); rt2800_rfcsr_write(rt2x00dev, 52, 0x48); rt2800_rfcsr_write(rt2x00dev, 54, 0x38); rt2800_rfcsr_write(rt2x00dev, 56, 0xA1); rt2800_rfcsr_write(rt2x00dev, 57, 0x00); rt2800_rfcsr_write(rt2x00dev, 58, 0x39); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); rt2800_rfcsr_write(rt2x00dev, 61, 0x91); rt2800_rfcsr_write(rt2x00dev, 62, 0x39); /* TODO RF27 <- tssi */ rfcsr = rf->channel <= 10 ? 0x07 : 0x06; rt2800_rfcsr_write(rt2x00dev, 23, rfcsr); rt2800_rfcsr_write(rt2x00dev, 59, rfcsr); if (is_11b) { /* CCK */ rt2800_rfcsr_write(rt2x00dev, 31, 0xF8); rt2800_rfcsr_write(rt2x00dev, 32, 0xC0); if (is_type_ep) rt2800_rfcsr_write(rt2x00dev, 55, 0x06); else rt2800_rfcsr_write(rt2x00dev, 55, 0x47); } else { /* OFDM */ if (is_type_ep) rt2800_rfcsr_write(rt2x00dev, 55, 0x03); else rt2800_rfcsr_write(rt2x00dev, 55, 0x43); } power_bound = POWER_BOUND; ep_reg = 0x2; } else { rt2800_rfcsr_write(rt2x00dev, 10, 0x97); /* FIMXE: RF11 overwrite */ rt2800_rfcsr_write(rt2x00dev, 11, 0x40); rt2800_rfcsr_write(rt2x00dev, 25, 0xBF); rt2800_rfcsr_write(rt2x00dev, 27, 0x42); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x04); rt2800_rfcsr_write(rt2x00dev, 38, 0x85); rt2800_rfcsr_write(rt2x00dev, 40, 0x42); rt2800_rfcsr_write(rt2x00dev, 41, 0xBB); rt2800_rfcsr_write(rt2x00dev, 42, 0xD7); rt2800_rfcsr_write(rt2x00dev, 45, 0x41); rt2800_rfcsr_write(rt2x00dev, 48, 0x00); rt2800_rfcsr_write(rt2x00dev, 57, 0x77); rt2800_rfcsr_write(rt2x00dev, 60, 0x05); rt2800_rfcsr_write(rt2x00dev, 61, 0x01); /* TODO RF27 <- tssi */ if (rf->channel >= 36 && rf->channel <= 64) { rt2800_rfcsr_write(rt2x00dev, 12, 0x2E); rt2800_rfcsr_write(rt2x00dev, 13, 0x22); rt2800_rfcsr_write(rt2x00dev, 22, 0x60); rt2800_rfcsr_write(rt2x00dev, 23, 0x7F); if (rf->channel <= 50) rt2800_rfcsr_write(rt2x00dev, 24, 0x09); else if (rf->channel >= 52) rt2800_rfcsr_write(rt2x00dev, 24, 0x07); rt2800_rfcsr_write(rt2x00dev, 39, 0x1C); rt2800_rfcsr_write(rt2x00dev, 43, 0x5B); rt2800_rfcsr_write(rt2x00dev, 44, 0X40); rt2800_rfcsr_write(rt2x00dev, 46, 0X00); rt2800_rfcsr_write(rt2x00dev, 51, 0xFE); rt2800_rfcsr_write(rt2x00dev, 52, 0x0C); rt2800_rfcsr_write(rt2x00dev, 54, 0xF8); if (rf->channel <= 50) { rt2800_rfcsr_write(rt2x00dev, 55, 0x06), rt2800_rfcsr_write(rt2x00dev, 56, 0xD3); } else if (rf->channel >= 52) { rt2800_rfcsr_write(rt2x00dev, 55, 0x04); rt2800_rfcsr_write(rt2x00dev, 56, 0xBB); } rt2800_rfcsr_write(rt2x00dev, 58, 0x15); rt2800_rfcsr_write(rt2x00dev, 59, 0x7F); rt2800_rfcsr_write(rt2x00dev, 62, 0x15); } else if (rf->channel >= 100 && rf->channel <= 165) { rt2800_rfcsr_write(rt2x00dev, 12, 0x0E); rt2800_rfcsr_write(rt2x00dev, 13, 0x42); rt2800_rfcsr_write(rt2x00dev, 22, 0x40); if (rf->channel <= 153) { rt2800_rfcsr_write(rt2x00dev, 23, 0x3C); rt2800_rfcsr_write(rt2x00dev, 24, 0x06); } else if (rf->channel >= 155) { rt2800_rfcsr_write(rt2x00dev, 23, 0x38); rt2800_rfcsr_write(rt2x00dev, 24, 0x05); } if (rf->channel <= 138) { rt2800_rfcsr_write(rt2x00dev, 39, 0x1A); rt2800_rfcsr_write(rt2x00dev, 43, 0x3B); rt2800_rfcsr_write(rt2x00dev, 44, 0x20); rt2800_rfcsr_write(rt2x00dev, 46, 0x18); } else if (rf->channel >= 140) { rt2800_rfcsr_write(rt2x00dev, 39, 0x18); rt2800_rfcsr_write(rt2x00dev, 43, 0x1B); rt2800_rfcsr_write(rt2x00dev, 44, 0x10); rt2800_rfcsr_write(rt2x00dev, 46, 0X08); } if (rf->channel <= 124) rt2800_rfcsr_write(rt2x00dev, 51, 0xFC); else if (rf->channel >= 126) rt2800_rfcsr_write(rt2x00dev, 51, 0xEC); if (rf->channel <= 138) rt2800_rfcsr_write(rt2x00dev, 52, 0x06); else if (rf->channel >= 140) rt2800_rfcsr_write(rt2x00dev, 52, 0x06); rt2800_rfcsr_write(rt2x00dev, 54, 0xEB); if (rf->channel <= 138) rt2800_rfcsr_write(rt2x00dev, 55, 0x01); else if (rf->channel >= 140) rt2800_rfcsr_write(rt2x00dev, 55, 0x00); if (rf->channel <= 128) rt2800_rfcsr_write(rt2x00dev, 56, 0xBB); else if (rf->channel >= 130) rt2800_rfcsr_write(rt2x00dev, 56, 0xAB); if (rf->channel <= 116) rt2800_rfcsr_write(rt2x00dev, 58, 0x1D); else if (rf->channel >= 118) rt2800_rfcsr_write(rt2x00dev, 58, 0x15); if (rf->channel <= 138) rt2800_rfcsr_write(rt2x00dev, 59, 0x3F); else if (rf->channel >= 140) rt2800_rfcsr_write(rt2x00dev, 59, 0x7C); if (rf->channel <= 116) rt2800_rfcsr_write(rt2x00dev, 62, 0x1D); else if (rf->channel >= 118) rt2800_rfcsr_write(rt2x00dev, 62, 0x15); } power_bound = POWER_BOUND_5G; ep_reg = 0x3; } rfcsr = rt2800_rfcsr_read(rt2x00dev, 49); if (info->default_power1 > power_bound) rt2x00_set_field8(&rfcsr, RFCSR49_TX, power_bound); else rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1); if (is_type_ep) rt2x00_set_field8(&rfcsr, RFCSR49_EP, ep_reg); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 50); if (info->default_power2 > power_bound) rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound); else rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2); if (is_type_ep) rt2x00_set_field8(&rfcsr, RFCSR50_EP, ep_reg); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, rt2x00dev->default_ant.tx_chain_num >= 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, rt2x00dev->default_ant.tx_chain_num == 2); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, rt2x00dev->default_ant.rx_chain_num >= 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, rt2x00dev->default_ant.rx_chain_num == 2); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_rfcsr_write(rt2x00dev, 6, 0xe4); if (conf_is_ht40(conf)) rt2800_rfcsr_write(rt2x00dev, 30, 0x16); else rt2800_rfcsr_write(rt2x00dev, 30, 0x10); if (!is_11b) { rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); } /* TODO proper frequency adjustment */ rt2800_freq_cal_mode1(rt2x00dev); /* TODO merge with others */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); /* BBP settings */ rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 79, (rf->channel <= 14) ? 0x1C : 0x18); rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08); rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38); rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92); /* GLRT band configuration */ rt2800_bbp_write(rt2x00dev, 195, 128); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0xE0 : 0xF0); rt2800_bbp_write(rt2x00dev, 195, 129); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x1F : 0x1E); rt2800_bbp_write(rt2x00dev, 195, 130); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x38 : 0x28); rt2800_bbp_write(rt2x00dev, 195, 131); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20); rt2800_bbp_write(rt2x00dev, 195, 133); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F); rt2800_bbp_write(rt2x00dev, 195, 124); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F); } static void rt2800_config_channel_rf7620(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rx_agc_fc, tx_agc_fc; u8 rfcsr; /* Frequeny plan setting */ /* Rdiv setting (set 0x03 if Xtal==20) * R13[1:0] */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 13); rt2x00_set_field8(&rfcsr, RFCSR13_RDIV_MT7620, rt2800_clk_is_20mhz(rt2x00dev) ? 3 : 0); rt2800_rfcsr_write(rt2x00dev, 13, rfcsr); /* N setting * R20[7:0] in rf->rf1 * R21[0] always 0 */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 20); rfcsr = (rf->rf1 & 0x00ff); rt2800_rfcsr_write(rt2x00dev, 20, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 21); rt2x00_set_field8(&rfcsr, RFCSR21_BIT1, 0); rt2800_rfcsr_write(rt2x00dev, 21, rfcsr); /* K setting (always 0) * R16[3:0] (RF PLL freq selection) */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 16); rt2x00_set_field8(&rfcsr, RFCSR16_RF_PLL_FREQ_SEL_MT7620, 0); rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); /* D setting (always 0) * R22[2:0] (D=15, R22[2:0]=<111>) */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 22); rt2x00_set_field8(&rfcsr, RFCSR22_FREQPLAN_D_MT7620, 0); rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); /* Ksd setting * Ksd: R17<7:0> in rf->rf2 * R18<7:0> in rf->rf3 * R19<1:0> in rf->rf4 */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 17); rfcsr = rf->rf2; rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 18); rfcsr = rf->rf3; rt2800_rfcsr_write(rt2x00dev, 18, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 19); rt2x00_set_field8(&rfcsr, RFCSR19_K, rf->rf4); rt2800_rfcsr_write(rt2x00dev, 19, rfcsr); /* Default: XO=20MHz , SDM mode */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 16); rt2x00_set_field8(&rfcsr, RFCSR16_SDM_MODE_MT7620, 0x80); rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 21); rt2x00_set_field8(&rfcsr, RFCSR21_BIT8, 1); rt2800_rfcsr_write(rt2x00dev, 21, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_EN_MT7620, rt2x00dev->default_ant.tx_chain_num != 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 2); rt2x00_set_field8(&rfcsr, RFCSR2_TX2_EN_MT7620, rt2x00dev->default_ant.tx_chain_num != 1); rt2x00_set_field8(&rfcsr, RFCSR2_RX2_EN_MT7620, rt2x00dev->default_ant.rx_chain_num != 1); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 42); rt2x00_set_field8(&rfcsr, RFCSR42_TX2_EN_MT7620, rt2x00dev->default_ant.tx_chain_num != 1); rt2800_rfcsr_write(rt2x00dev, 42, rfcsr); /* RF for DC Cal BW */ if (conf_is_ht40(conf)) { rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04); rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10); } else { rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x20); } if (conf_is_ht40(conf)) { rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x08); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x08); } else { rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x28); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x28); } rfcsr = rt2800_rfcsr_read(rt2x00dev, 28); rt2x00_set_field8(&rfcsr, RFCSR28_CH11_HT40, conf_is_ht40(conf) && (rf->channel == 11)); rt2800_rfcsr_write(rt2x00dev, 28, rfcsr); if (!test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) { if (conf_is_ht40(conf)) { rx_agc_fc = drv_data->rx_calibration_bw40; tx_agc_fc = drv_data->tx_calibration_bw40; } else { rx_agc_fc = drv_data->rx_calibration_bw20; tx_agc_fc = drv_data->tx_calibration_bw20; } rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6); rfcsr &= (~0x3F); rfcsr |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7); rfcsr &= (~0x3F); rfcsr |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 6); rfcsr &= (~0x3F); rfcsr |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 7, 6, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 7); rfcsr &= (~0x3F); rfcsr |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 7, 7, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58); rfcsr &= (~0x3F); rfcsr |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59); rfcsr &= (~0x3F); rfcsr |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 58); rfcsr &= (~0x3F); rfcsr |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 7, 58, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 59); rfcsr &= (~0x3F); rfcsr |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 7, 59, rfcsr); } } static void rt2800_config_alc_rt6352(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { int cur_channel = rt2x00dev->rf_channel; u16 eeprom, chan_power, rate_power, target_power; u16 tx_power[2]; s8 *power_group[2]; u32 mac_sys_ctrl; u32 cnt, reg; u8 bbp; if (WARN_ON(cur_channel < 1 || cur_channel > 14)) return; /* get per chain power, 2 chains in total, unit is 0.5dBm */ power_level = (power_level - 3) * 2; /* We can't get the accurate TX power. Based on some tests, the real * TX power is approximately equal to channel_power + (max)rate_power. * Usually max rate_power is the gain of the OFDM 6M rate. The antenna * gain and externel PA gain are not included as we are unable to * obtain these values. */ rate_power = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, 1); rate_power &= 0x3f; power_level -= rate_power; if (power_level < 1) power_level = 1; power_group[0] = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1); power_group[1] = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2); for (cnt = 0; cnt < 2; cnt++) { chan_power = power_group[cnt][cur_channel - 1]; if (chan_power >= 0x20 || chan_power == 0) chan_power = 0x10; tx_power[cnt] = power_level < chan_power ? power_level : chan_power; } reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_0); rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_0, tx_power[0]); rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_1, tx_power[1]); rt2x00_set_field32(®, TX_ALC_CFG_0_LIMIT_0, 0x2f); rt2x00_set_field32(®, TX_ALC_CFG_0_LIMIT_1, 0x2f); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_INTERNAL_TX_ALC)) { /* init base power by eeprom target power */ target_power = rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_INIT); rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_0, target_power); rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_1, target_power); } rt2800_register_write(rt2x00dev, TX_ALC_CFG_0, reg); reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_1); rt2x00_set_field32(®, TX_ALC_CFG_1_TX_TEMP_COMP, 0); rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg); /* Save MAC SYS CTRL registers */ mac_sys_ctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); /* Disable Tx/Rx */ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0); /* Check MAC Tx/Rx idle */ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY))) rt2x00_warn(rt2x00dev, "RF busy while configuring ALC\n"); if (chan->center_freq > 2457) { bbp = rt2800_bbp_read(rt2x00dev, 30); bbp = 0x40; rt2800_bbp_write(rt2x00dev, 30, bbp); rt2800_rfcsr_write(rt2x00dev, 39, 0); if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 42, 0xfb); else rt2800_rfcsr_write(rt2x00dev, 42, 0x7b); } else { bbp = rt2800_bbp_read(rt2x00dev, 30); bbp = 0x1f; rt2800_bbp_write(rt2x00dev, 30, bbp); rt2800_rfcsr_write(rt2x00dev, 39, 0x80); if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 42, 0xdb); else rt2800_rfcsr_write(rt2x00dev, 42, 0x5b); } rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, mac_sys_ctrl); rt2800_vco_calibration(rt2x00dev); } static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u8 chain, reg; for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) { reg = rt2800_bbp_read(rt2x00dev, 27); rt2x00_set_field8(®, BBP27_RX_CHAIN_SEL, chain); rt2800_bbp_write(rt2x00dev, 27, reg); rt2800_bbp_write(rt2x00dev, word, value); } } static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel) { u8 cal; /* TX0 IQ Gain */ rt2800_bbp_write(rt2x00dev, 158, 0x2c); if (channel <= 14) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_2G); else if (channel >= 36 && channel <= 64) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5G); else if (channel >= 100 && channel <= 138) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5G); else if (channel >= 140 && channel <= 165) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5G); else cal = 0; rt2800_bbp_write(rt2x00dev, 159, cal); /* TX0 IQ Phase */ rt2800_bbp_write(rt2x00dev, 158, 0x2d); if (channel <= 14) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_2G); else if (channel >= 36 && channel <= 64) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5G); else if (channel >= 100 && channel <= 138) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5G); else if (channel >= 140 && channel <= 165) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5G); else cal = 0; rt2800_bbp_write(rt2x00dev, 159, cal); /* TX1 IQ Gain */ rt2800_bbp_write(rt2x00dev, 158, 0x4a); if (channel <= 14) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_2G); else if (channel >= 36 && channel <= 64) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5G); else if (channel >= 100 && channel <= 138) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5G); else if (channel >= 140 && channel <= 165) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5G); else cal = 0; rt2800_bbp_write(rt2x00dev, 159, cal); /* TX1 IQ Phase */ rt2800_bbp_write(rt2x00dev, 158, 0x4b); if (channel <= 14) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_2G); else if (channel >= 36 && channel <= 64) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5G); else if (channel >= 100 && channel <= 138) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5G); else if (channel >= 140 && channel <= 165) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5G); else cal = 0; rt2800_bbp_write(rt2x00dev, 159, cal); /* FIXME: possible RX0, RX1 callibration ? */ /* RF IQ compensation control */ rt2800_bbp_write(rt2x00dev, 158, 0x04); cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_COMPENSATION_CONTROL); rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0); /* RF IQ imbalance compensation control */ rt2800_bbp_write(rt2x00dev, 158, 0x03); cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CONTROL); rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0); } static s8 rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev, unsigned int channel, s8 txpower) { if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC); if (channel <= 14) return clamp_t(s8, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER); if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) return clamp_t(s8, txpower, MIN_A_TXPOWER_3593, MAX_A_TXPOWER_3593); else return clamp_t(s8, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER); } static void rt3883_bbp_adjust(struct rt2x00_dev *rt2x00dev, struct rf_channel *rf) { u8 bbp; bbp = (rf->channel > 14) ? 0x48 : 0x38; rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, bbp); rt2800_bbp_write(rt2x00dev, 69, 0x12); if (rf->channel <= 14) { rt2800_bbp_write(rt2x00dev, 70, 0x0a); } else { /* Disable CCK packet detection */ rt2800_bbp_write(rt2x00dev, 70, 0x00); } rt2800_bbp_write(rt2x00dev, 73, 0x10); if (rf->channel > 14) { rt2800_bbp_write(rt2x00dev, 62, 0x1d); rt2800_bbp_write(rt2x00dev, 63, 0x1d); rt2800_bbp_write(rt2x00dev, 64, 0x1d); } else { rt2800_bbp_write(rt2x00dev, 62, 0x2d); rt2800_bbp_write(rt2x00dev, 63, 0x2d); rt2800_bbp_write(rt2x00dev, 64, 0x2d); } } static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u32 reg; u32 tx_pin; u8 bbp, rfcsr; info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel, info->default_power1); info->default_power2 = rt2800_txpower_to_dev(rt2x00dev, rf->channel, info->default_power2); if (rt2x00dev->default_ant.tx_chain_num > 2) info->default_power3 = rt2800_txpower_to_dev(rt2x00dev, rf->channel, info->default_power3); switch (rt2x00dev->chip.rt) { case RT3883: rt3883_bbp_adjust(rt2x00dev, rf); break; } switch (rt2x00dev->chip.rf) { case RF2020: case RF3020: case RF3021: case RF3022: case RF3320: rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info); break; case RF3052: rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info); break; case RF3053: rt2800_config_channel_rf3053(rt2x00dev, conf, rf, info); break; case RF3290: rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info); break; case RF3322: rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info); break; case RF3853: rt2800_config_channel_rf3853(rt2x00dev, conf, rf, info); break; case RF3070: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info); break; case RF5592: rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info); break; case RF7620: rt2800_config_channel_rf7620(rt2x00dev, conf, rf, info); break; default: rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info); } if (rt2x00_rf(rt2x00dev, RF3070) || rt2x00_rf(rt2x00dev, RF3290) || rt2x00_rf(rt2x00dev, RF3322) || rt2x00_rf(rt2x00dev, RF5350) || rt2x00_rf(rt2x00dev, RF5360) || rt2x00_rf(rt2x00dev, RF5362) || rt2x00_rf(rt2x00dev, RF5370) || rt2x00_rf(rt2x00dev, RF5372) || rt2x00_rf(rt2x00dev, RF5390) || rt2x00_rf(rt2x00dev, RF5392)) { rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); if (rt2x00_rf(rt2x00dev, RF3322)) { rt2x00_set_field8(&rfcsr, RF3322_RFCSR30_TX_H20M, conf_is_ht40(conf)); rt2x00_set_field8(&rfcsr, RF3322_RFCSR30_RX_H20M, conf_is_ht40(conf)); } else { rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, conf_is_ht40(conf)); rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, conf_is_ht40(conf)); } rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); } /* * Change BBP settings */ if (rt2x00_rt(rt2x00dev, RT3352)) { rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 27, 0x0); rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 27, 0x20); rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 83, 0x6a); } else if (rt2x00_rt(rt2x00dev, RT3593)) { if (rf->channel > 14) { /* Disable CCK Packet detection on 5GHz */ rt2800_bbp_write(rt2x00dev, 70, 0x00); } else { rt2800_bbp_write(rt2x00dev, 70, 0x0a); } if (conf_is_ht40(conf)) rt2800_bbp_write(rt2x00dev, 105, 0x04); else rt2800_bbp_write(rt2x00dev, 105, 0x34); rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 77, 0x98); } else if (rt2x00_rt(rt2x00dev, RT3883)) { rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); if (rt2x00dev->default_ant.rx_chain_num > 1) rt2800_bbp_write(rt2x00dev, 86, 0x46); else rt2800_bbp_write(rt2x00dev, 86, 0); } else { rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); if (rt2x00_rt(rt2x00dev, RT6352)) rt2800_bbp_write(rt2x00dev, 86, 0x38); else rt2800_bbp_write(rt2x00dev, 86, 0); } if (rf->channel <= 14) { if (!rt2x00_rt(rt2x00dev, RT5390) && !rt2x00_rt(rt2x00dev, RT5392) && !rt2x00_rt(rt2x00dev, RT6352)) { if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 75, 0x46); } else { if (rt2x00_rt(rt2x00dev, RT3593)) rt2800_bbp_write(rt2x00dev, 82, 0x62); else rt2800_bbp_write(rt2x00dev, 82, 0x84); rt2800_bbp_write(rt2x00dev, 75, 0x50); } if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) rt2800_bbp_write(rt2x00dev, 83, 0x8a); } } else { if (rt2x00_rt(rt2x00dev, RT3572)) rt2800_bbp_write(rt2x00dev, 82, 0x94); else if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) rt2800_bbp_write(rt2x00dev, 82, 0x82); else if (!rt2x00_rt(rt2x00dev, RT6352)) rt2800_bbp_write(rt2x00dev, 82, 0xf2); if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) rt2800_bbp_write(rt2x00dev, 83, 0x9a); if (rt2x00_has_cap_external_lna_a(rt2x00dev)) rt2800_bbp_write(rt2x00dev, 75, 0x46); else rt2800_bbp_write(rt2x00dev, 75, 0x50); } reg = rt2800_register_read(rt2x00dev, TX_BAND_CFG); rt2x00_set_field32(®, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf)); rt2x00_set_field32(®, TX_BAND_CFG_A, rf->channel > 14); rt2x00_set_field32(®, TX_BAND_CFG_BG, rf->channel <= 14); rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg); if (rt2x00_rt(rt2x00dev, RT3572)) rt2800_rfcsr_write(rt2x00dev, 8, 0); if (rt2x00_rt(rt2x00dev, RT6352)) { tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1); } else { tx_pin = 0; } switch (rt2x00dev->default_ant.tx_chain_num) { case 3: /* Turn on tertiary PAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, rf->channel > 14); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, rf->channel <= 14); fallthrough; case 2: /* Turn on secondary PAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, rf->channel > 14); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, rf->channel <= 14); fallthrough; case 1: /* Turn on primary PAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14); if (rt2x00_has_cap_bt_coexist(rt2x00dev)) rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1); else rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 3: /* Turn on tertiary LNAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1); fallthrough; case 2: /* Turn on secondary LNAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1); fallthrough; case 1: /* Turn on primary LNAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1); break; } rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1); rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); if (rt2x00_rt(rt2x00dev, RT3572)) { rt2800_rfcsr_write(rt2x00dev, 8, 0x80); /* AGC init */ if (rf->channel <= 14) reg = 0x1c + (2 * rt2x00dev->lna_gain); else reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3); rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg); } if (rt2x00_rt(rt2x00dev, RT3593)) { reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); /* Band selection */ if (rt2x00_is_usb(rt2x00dev) || rt2x00_is_pcie(rt2x00dev)) { /* GPIO #8 controls all paths */ rt2x00_set_field32(®, GPIO_CTRL_DIR8, 0); if (rf->channel <= 14) rt2x00_set_field32(®, GPIO_CTRL_VAL8, 1); else rt2x00_set_field32(®, GPIO_CTRL_VAL8, 0); } /* LNA PE control. */ if (rt2x00_is_usb(rt2x00dev)) { /* GPIO #4 controls PE0 and PE1, * GPIO #7 controls PE2 */ rt2x00_set_field32(®, GPIO_CTRL_DIR4, 0); rt2x00_set_field32(®, GPIO_CTRL_DIR7, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL4, 1); rt2x00_set_field32(®, GPIO_CTRL_VAL7, 1); } else if (rt2x00_is_pcie(rt2x00dev)) { /* GPIO #4 controls PE0, PE1 and PE2 */ rt2x00_set_field32(®, GPIO_CTRL_DIR4, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL4, 1); } rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); /* AGC init */ if (rf->channel <= 14) reg = 0x1c + 2 * rt2x00dev->lna_gain; else reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3); rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg); usleep_range(1000, 1500); } if (rt2x00_rt(rt2x00dev, RT3883)) { if (!conf_is_ht40(conf)) rt2800_bbp_write(rt2x00dev, 105, 0x34); else rt2800_bbp_write(rt2x00dev, 105, 0x04); /* AGC init */ if (rf->channel <= 14) reg = 0x2e + rt2x00dev->lna_gain; else reg = 0x20 + ((rt2x00dev->lna_gain * 5) / 3); rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg); usleep_range(1000, 1500); } if (rt2x00_rt(rt2x00dev, RT5592)) { bbp = conf_is_ht40(conf) ? 0x10 : 0x1a; rt2800_bbp_glrt_write(rt2x00dev, 141, bbp); bbp = (rf->channel <= 14 ? 0x1c : 0x24) + 2 * rt2x00dev->lna_gain; rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, bbp); rt2800_iq_calibrate(rt2x00dev, rf->channel); } if (rt2x00_rt(rt2x00dev, RT6352)) { /* BBP for GLRT BW */ bbp = conf_is_ht40(conf) ? 0x10 : rt2x00_has_cap_external_lna_bg(rt2x00dev) ? 0x15 : 0x1a; rt2800_bbp_glrt_write(rt2x00dev, 141, bbp); bbp = conf_is_ht40(conf) ? 0x2f : 0x40; rt2800_bbp_glrt_write(rt2x00dev, 157, bbp); if (rt2x00dev->default_ant.rx_chain_num == 1) { rt2800_bbp_write(rt2x00dev, 91, 0x07); rt2800_bbp_write(rt2x00dev, 95, 0x1a); rt2800_bbp_glrt_write(rt2x00dev, 128, 0xa0); rt2800_bbp_glrt_write(rt2x00dev, 170, 0x12); rt2800_bbp_glrt_write(rt2x00dev, 171, 0x10); } else { rt2800_bbp_write(rt2x00dev, 91, 0x06); rt2800_bbp_write(rt2x00dev, 95, 0x9a); rt2800_bbp_glrt_write(rt2x00dev, 128, 0xe0); rt2800_bbp_glrt_write(rt2x00dev, 170, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 171, 0x30); } /* AGC init */ bbp = rf->channel <= 14 ? 0x04 + 2 * rt2x00dev->lna_gain : 0; rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, bbp); usleep_range(1000, 1500); } bbp = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf)); rt2800_bbp_write(rt2x00dev, 4, bbp); bbp = rt2800_bbp_read(rt2x00dev, 3); rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf)); rt2800_bbp_write(rt2x00dev, 3, bbp); if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) { if (conf_is_ht40(conf)) { rt2800_bbp_write(rt2x00dev, 69, 0x1a); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 73, 0x16); } else { rt2800_bbp_write(rt2x00dev, 69, 0x16); rt2800_bbp_write(rt2x00dev, 70, 0x08); rt2800_bbp_write(rt2x00dev, 73, 0x11); } } usleep_range(1000, 1500); /* * Clear channel statistic counters */ reg = rt2800_register_read(rt2x00dev, CH_IDLE_STA); reg = rt2800_register_read(rt2x00dev, CH_BUSY_STA); reg = rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC); /* * Clear update flag */ if (rt2x00_rt(rt2x00dev, RT3352) || rt2x00_rt(rt2x00dev, RT5350)) { bbp = rt2800_bbp_read(rt2x00dev, 49); rt2x00_set_field8(&bbp, BBP49_UPDATE_FLAG, 0); rt2800_bbp_write(rt2x00dev, 49, bbp); } } static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev) { u8 tssi_bounds[9]; u8 current_tssi; u16 eeprom; u8 step; int i; /* * First check if temperature compensation is supported. */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC)) return 0; /* * Read TSSI boundaries for temperature compensation from * the EEPROM. * * Array idx 0 1 2 3 4 5 6 7 8 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00 */ if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1); tssi_bounds[0] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG1_MINUS4); tssi_bounds[1] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG1_MINUS3); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2); tssi_bounds[2] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG2_MINUS2); tssi_bounds[3] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG2_MINUS1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3); tssi_bounds[4] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG3_REF); tssi_bounds[5] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG3_PLUS1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4); tssi_bounds[6] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG4_PLUS2); tssi_bounds[7] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG4_PLUS3); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5); tssi_bounds[8] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG5_PLUS4); step = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG5_AGC_STEP); } else { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1); tssi_bounds[0] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A1_MINUS4); tssi_bounds[1] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A1_MINUS3); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2); tssi_bounds[2] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A2_MINUS2); tssi_bounds[3] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A2_MINUS1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3); tssi_bounds[4] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A3_REF); tssi_bounds[5] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A3_PLUS1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4); tssi_bounds[6] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A4_PLUS2); tssi_bounds[7] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A4_PLUS3); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5); tssi_bounds[8] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A5_PLUS4); step = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A5_AGC_STEP); } /* * Check if temperature compensation is supported. */ if (tssi_bounds[4] == 0xff || step == 0xff) return 0; /* * Read current TSSI (BBP 49). */ current_tssi = rt2800_bbp_read(rt2x00dev, 49); /* * Compare TSSI value (BBP49) with the compensation boundaries * from the EEPROM and increase or decrease tx power. */ for (i = 0; i <= 3; i++) { if (current_tssi > tssi_bounds[i]) break; } if (i == 4) { for (i = 8; i >= 5; i--) { if (current_tssi < tssi_bounds[i]) break; } } return (i - 4) * step; } static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev, enum nl80211_band band) { u16 eeprom; u8 comp_en; u8 comp_type; int comp_value = 0; eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA); /* * HT40 compensation not required. */ if (eeprom == 0xffff || !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) return 0; if (band == NL80211_BAND_2GHZ) { comp_en = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_ENABLE_2G); if (comp_en) { comp_type = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_TYPE_2G); comp_value = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_VALUE_2G); if (!comp_type) comp_value = -comp_value; } } else { comp_en = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_ENABLE_5G); if (comp_en) { comp_type = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_TYPE_5G); comp_value = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_VALUE_5G); if (!comp_type) comp_value = -comp_value; } } return comp_value; } static int rt2800_get_txpower_reg_delta(struct rt2x00_dev *rt2x00dev, int power_level, int max_power) { int delta; if (rt2x00_has_cap_power_limit(rt2x00dev)) return 0; /* * XXX: We don't know the maximum transmit power of our hardware since * the EEPROM doesn't expose it. We only know that we are calibrated * to 100% tx power. * * Hence, we assume the regulatory limit that cfg80211 calulated for * the current channel is our maximum and if we are requested to lower * the value we just reduce our tx power accordingly. */ delta = power_level - max_power; return min(delta, 0); } static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b, enum nl80211_band band, int power_level, u8 txpower, int delta) { u16 eeprom; u8 criterion; u8 eirp_txpower; u8 eirp_txpower_criterion; u8 reg_limit; if (rt2x00_rt(rt2x00dev, RT3593)) return min_t(u8, txpower, 0xc); if (rt2x00_rt(rt2x00dev, RT3883)) return min_t(u8, txpower, 0xf); if (rt2x00_has_cap_power_limit(rt2x00dev)) { /* * Check if eirp txpower exceed txpower_limit. * We use OFDM 6M as criterion and its eirp txpower * is stored at EEPROM_EIRP_MAX_TX_POWER. * .11b data rate need add additional 4dbm * when calculating eirp txpower. */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, 1); criterion = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER); if (band == NL80211_BAND_2GHZ) eirp_txpower_criterion = rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ); else eirp_txpower_criterion = rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_5GHZ); eirp_txpower = eirp_txpower_criterion + (txpower - criterion) + (is_rate_b ? 4 : 0) + delta; reg_limit = (eirp_txpower > power_level) ? (eirp_txpower - power_level) : 0; } else reg_limit = 0; txpower = max(0, txpower + delta - reg_limit); return min_t(u8, txpower, 0xc); } enum { TX_PWR_CFG_0_IDX, TX_PWR_CFG_1_IDX, TX_PWR_CFG_2_IDX, TX_PWR_CFG_3_IDX, TX_PWR_CFG_4_IDX, TX_PWR_CFG_5_IDX, TX_PWR_CFG_6_IDX, TX_PWR_CFG_7_IDX, TX_PWR_CFG_8_IDX, TX_PWR_CFG_9_IDX, TX_PWR_CFG_0_EXT_IDX, TX_PWR_CFG_1_EXT_IDX, TX_PWR_CFG_2_EXT_IDX, TX_PWR_CFG_3_EXT_IDX, TX_PWR_CFG_4_EXT_IDX, TX_PWR_CFG_IDX_COUNT, }; static void rt2800_config_txpower_rt3593(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { u8 txpower; u16 eeprom; u32 regs[TX_PWR_CFG_IDX_COUNT]; unsigned int offset; enum nl80211_band band = chan->band; int delta; int i; memset(regs, '\0', sizeof(regs)); /* TODO: adapt TX power reduction from the rt28xx code */ /* calculate temperature compensation delta */ delta = rt2800_get_gain_calibration_delta(rt2x00dev); if (band == NL80211_BAND_5GHZ) offset = 16; else offset = 0; if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) offset += 8; /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset); /* CCK 1MBS,2MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_CCK1_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_CCK1_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX], TX_PWR_CFG_0_EXT_CCK1_CH2, txpower); /* CCK 5.5MBS,11MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_CCK5_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_CCK5_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX], TX_PWR_CFG_0_EXT_CCK5_CH2, txpower); /* OFDM 6MBS,9MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_OFDM6_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_OFDM6_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX], TX_PWR_CFG_0_EXT_OFDM6_CH2, txpower); /* OFDM 12MBS,18MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_OFDM12_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_OFDM12_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX], TX_PWR_CFG_0_EXT_OFDM12_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 1); /* OFDM 24MBS,36MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_OFDM24_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_OFDM24_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX], TX_PWR_CFG_1_EXT_OFDM24_CH2, txpower); /* OFDM 48MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_OFDM48_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_OFDM48_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX], TX_PWR_CFG_1_EXT_OFDM48_CH2, txpower); /* OFDM 54MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_OFDM54_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_OFDM54_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_OFDM54_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 2); /* MCS 0,1 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_MCS0_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_MCS0_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX], TX_PWR_CFG_1_EXT_MCS0_CH2, txpower); /* MCS 2,3 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_MCS2_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_MCS2_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX], TX_PWR_CFG_1_EXT_MCS2_CH2, txpower); /* MCS 4,5 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS4_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS4_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX], TX_PWR_CFG_2_EXT_MCS4_CH2, txpower); /* MCS 6 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS6_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS6_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX], TX_PWR_CFG_2_EXT_MCS6_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 3); /* MCS 7 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_MCS7_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_MCS7_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_MCS7_CH2, txpower); /* MCS 8,9 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS8_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS8_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX], TX_PWR_CFG_2_EXT_MCS8_CH2, txpower); /* MCS 10,11 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS10_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS10_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX], TX_PWR_CFG_2_EXT_MCS10_CH2, txpower); /* MCS 12,13 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_MCS12_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_MCS12_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX], TX_PWR_CFG_3_EXT_MCS12_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 4); /* MCS 14 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_MCS14_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_MCS14_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX], TX_PWR_CFG_3_EXT_MCS14_CH2, txpower); /* MCS 15 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS15_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS15_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS15_CH2, txpower); /* MCS 16,17 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS16_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS16_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS16_CH2, txpower); /* MCS 18,19 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS18_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS18_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS18_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 5); /* MCS 20,21 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS20_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS20_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS20_CH2, txpower); /* MCS 22 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS22_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS22_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS22_CH2, txpower); /* MCS 23 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS23_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS23_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS23_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 6); /* STBC, MCS 0,1 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_STBC0_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_STBC0_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX], TX_PWR_CFG_3_EXT_STBC0_CH2, txpower); /* STBC, MCS 2,3 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_STBC2_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_STBC2_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX], TX_PWR_CFG_3_EXT_STBC2_CH2, txpower); /* STBC, MCS 4,5 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE0, txpower); /* STBC, MCS 6 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE2, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE3, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 7); /* STBC, MCS 7 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_9_IDX], TX_PWR_CFG_9_STBC7_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_9_IDX], TX_PWR_CFG_9_STBC7_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_9_IDX], TX_PWR_CFG_9_STBC7_CH2, txpower); rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, regs[TX_PWR_CFG_0_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, regs[TX_PWR_CFG_1_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, regs[TX_PWR_CFG_2_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, regs[TX_PWR_CFG_3_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, regs[TX_PWR_CFG_4_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_5, regs[TX_PWR_CFG_5_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_6, regs[TX_PWR_CFG_6_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, regs[TX_PWR_CFG_7_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, regs[TX_PWR_CFG_8_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, regs[TX_PWR_CFG_9_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_0_EXT, regs[TX_PWR_CFG_0_EXT_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_1_EXT, regs[TX_PWR_CFG_1_EXT_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_2_EXT, regs[TX_PWR_CFG_2_EXT_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_3_EXT, regs[TX_PWR_CFG_3_EXT_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_4_EXT, regs[TX_PWR_CFG_4_EXT_IDX]); for (i = 0; i < TX_PWR_CFG_IDX_COUNT; i++) rt2x00_dbg(rt2x00dev, "band:%cGHz, BW:%c0MHz, TX_PWR_CFG_%d%s = %08lx\n", (band == NL80211_BAND_5GHZ) ? '5' : '2', (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) ? '4' : '2', (i > TX_PWR_CFG_9_IDX) ? (i - TX_PWR_CFG_9_IDX - 1) : i, (i > TX_PWR_CFG_9_IDX) ? "_EXT" : "", (unsigned long) regs[i]); } static void rt2800_config_txpower_rt6352(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { u32 reg, pwreg; u16 eeprom; u32 data, gdata; u8 t, i; enum nl80211_band band = chan->band; int delta; /* Warn user if bw_comp is set in EEPROM */ delta = rt2800_get_txpower_bw_comp(rt2x00dev, band); if (delta) rt2x00_warn(rt2x00dev, "ignoring EEPROM HT40 power delta: %d\n", delta); /* populate TX_PWR_CFG_0 up to TX_PWR_CFG_4 from EEPROM for HT20, limit * value to 0x3f and replace 0x20 by 0x21 as this is what the vendor * driver does as well, though it looks kinda wrong. * Maybe some misunderstanding of what a signed 8-bit value is? Maybe * the hardware has a problem handling 0x20, and as the code initially * used a fixed offset between HT20 and HT40 rates they had to work- * around that issue and most likely just forgot about it later on. * Maybe we should use rt2800_get_txpower_bw_comp() here as well, * however, the corresponding EEPROM value is not respected by the * vendor driver, so maybe this is rather being taken care of the * TXALC and the driver doesn't need to handle it...? * Though this is all very awkward, just do as they did, as that's what * board vendors expected when they populated the EEPROM... */ for (i = 0; i < 5; i++) { eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, i * 2); data = eeprom; t = eeprom & 0x3f; if (t == 32) t++; gdata = t; t = (eeprom & 0x3f00) >> 8; if (t == 32) t++; gdata |= (t << 8); eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, (i * 2) + 1); t = eeprom & 0x3f; if (t == 32) t++; gdata |= (t << 16); t = (eeprom & 0x3f00) >> 8; if (t == 32) t++; gdata |= (t << 24); data |= (eeprom << 16); if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) { /* HT20 */ if (data != 0xffffffff) rt2800_register_write(rt2x00dev, TX_PWR_CFG_0 + (i * 4), data); } else { /* HT40 */ if (gdata != 0xffffffff) rt2800_register_write(rt2x00dev, TX_PWR_CFG_0 + (i * 4), gdata); } } /* Aparently Ralink ran out of space in the BYRATE calibration section * of the EERPOM which is copied to the corresponding TX_PWR_CFG_x * registers. As recent 2T chips use 8-bit instead of 4-bit values for * power-offsets more space would be needed. Ralink decided to keep the * EEPROM layout untouched and rather have some shared values covering * multiple bitrates. * Populate the registers not covered by the EEPROM in the same way the * vendor driver does. */ /* For OFDM 54MBS use value from OFDM 48MBS */ pwreg = 0; reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_1); t = rt2x00_get_field32(reg, TX_PWR_CFG_1B_48MBS); rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_54MBS, t); /* For MCS 7 use value from MCS 6 */ reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_2); t = rt2x00_get_field32(reg, TX_PWR_CFG_2B_MCS6_MCS7); rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_MCS7, t); rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, pwreg); /* For MCS 15 use value from MCS 14 */ pwreg = 0; reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_3); t = rt2x00_get_field32(reg, TX_PWR_CFG_3B_MCS14); rt2x00_set_field32(&pwreg, TX_PWR_CFG_8B_MCS15, t); rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, pwreg); /* For STBC MCS 7 use value from STBC MCS 6 */ pwreg = 0; reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_4); t = rt2x00_get_field32(reg, TX_PWR_CFG_4B_STBC_MCS6); rt2x00_set_field32(&pwreg, TX_PWR_CFG_9B_STBC_MCS7, t); rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, pwreg); rt2800_config_alc_rt6352(rt2x00dev, chan, power_level); /* TODO: temperature compensation code! */ } /* * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values, * 4 bits for each rate (tune from 0 to 15 dBm). BBP_R1 controls transmit power * for all rates, but allow to set only 4 discrete values: -12, -6, 0 and 6 dBm. * Reference per rate transmit power values are located in the EEPROM at * EEPROM_TXPOWER_BYRATE offset. We adjust them and BBP R1 settings according to * current conditions (i.e. band, bandwidth, temperature, user settings). */ static void rt2800_config_txpower_rt28xx(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { u8 txpower, r1; u16 eeprom; u32 reg, offset; int i, is_rate_b, delta, power_ctrl; enum nl80211_band band = chan->band; /* * Calculate HT40 compensation. For 40MHz we need to add or subtract * value read from EEPROM (different for 2GHz and for 5GHz). */ delta = rt2800_get_txpower_bw_comp(rt2x00dev, band); /* * Calculate temperature compensation. Depends on measurement of current * TSSI (Transmitter Signal Strength Indication) we know TX power (due * to temperature or maybe other factors) is smaller or bigger than * expected. We adjust it, based on TSSI reference and boundaries values * provided in EEPROM. */ switch (rt2x00dev->chip.rt) { case RT2860: case RT2872: case RT2883: case RT3070: case RT3071: case RT3090: case RT3572: delta += rt2800_get_gain_calibration_delta(rt2x00dev); break; default: /* TODO: temperature compensation code for other chips. */ break; } /* * Decrease power according to user settings, on devices with unknown * maximum tx power. For other devices we take user power_level into * consideration on rt2800_compensate_txpower(). */ delta += rt2800_get_txpower_reg_delta(rt2x00dev, power_level, chan->max_power); /* * BBP_R1 controls TX power for all rates, it allow to set the following * gains -12, -6, 0, +6 dBm by setting values 2, 1, 0, 3 respectively. * * TODO: we do not use +6 dBm option to do not increase power beyond * regulatory limit, however this could be utilized for devices with * CAPABILITY_POWER_LIMIT. */ if (delta <= -12) { power_ctrl = 2; delta += 12; } else if (delta <= -6) { power_ctrl = 1; delta += 6; } else { power_ctrl = 0; } r1 = rt2800_bbp_read(rt2x00dev, 1); rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, power_ctrl); rt2800_bbp_write(rt2x00dev, 1, r1); offset = TX_PWR_CFG_0; for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) { /* just to be safe */ if (offset > TX_PWR_CFG_4) break; reg = rt2800_register_read(rt2x00dev, offset); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, i); is_rate_b = i ? 0 : 1; /* * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS, * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE0, txpower); /* * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS, * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE1, txpower); /* * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS, * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE2, txpower); /* * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS, * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE3, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, i + 1); is_rate_b = 0; /* * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0, * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE4, txpower); /* * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1, * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE5, txpower); /* * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2, * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE6, txpower); /* * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3, * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE7, txpower); rt2800_register_write(rt2x00dev, offset, reg); /* next TX_PWR_CFG register */ offset += 4; } } static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level); else if (rt2x00_rt(rt2x00dev, RT6352)) rt2800_config_txpower_rt6352(rt2x00dev, chan, power_level); else rt2800_config_txpower_rt28xx(rt2x00dev, chan, power_level); } void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev) { rt2800_config_txpower(rt2x00dev, rt2x00dev->hw->conf.chandef.chan, rt2x00dev->tx_power); } EXPORT_SYMBOL_GPL(rt2800_gain_calibration); void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev) { u32 tx_pin; u8 rfcsr; unsigned long min_sleep = 0; /* * A voltage-controlled oscillator(VCO) is an electronic oscillator * designed to be controlled in oscillation frequency by a voltage * input. Maybe the temperature will affect the frequency of * oscillation to be shifted. The VCO calibration will be called * periodically to adjust the frequency to be precision. */ tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG); tx_pin &= TX_PIN_CFG_PA_PE_DISABLE; rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); switch (rt2x00dev->chip.rf) { case RF2020: case RF3020: case RF3021: case RF3022: case RF3320: case RF3052: rfcsr = rt2800_rfcsr_read(rt2x00dev, 7); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); break; case RF3053: case RF3070: case RF3290: case RF3853: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: case RF5592: rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); min_sleep = 1000; break; case RF7620: rt2800_rfcsr_write(rt2x00dev, 5, 0x40); rt2800_rfcsr_write(rt2x00dev, 4, 0x0C); rfcsr = rt2800_rfcsr_read(rt2x00dev, 4); rt2x00_set_field8(&rfcsr, RFCSR4_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 4, rfcsr); min_sleep = 2000; break; default: WARN_ONCE(1, "Not supported RF chipset %x for VCO recalibration", rt2x00dev->chip.rf); return; } if (min_sleep > 0) usleep_range(min_sleep, min_sleep * 2); tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG); if (rt2x00dev->rf_channel <= 14) { switch (rt2x00dev->default_ant.tx_chain_num) { case 3: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1); fallthrough; case 2: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1); fallthrough; case 1: default: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1); break; } } else { switch (rt2x00dev->default_ant.tx_chain_num) { case 3: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1); fallthrough; case 2: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1); fallthrough; case 1: default: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1); break; } } rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); } EXPORT_SYMBOL_GPL(rt2800_vco_calibration); static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u32 reg; reg = rt2800_register_read(rt2x00dev, TX_RTY_CFG); rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT, libconf->conf->short_frame_max_tx_count); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT, libconf->conf->long_frame_max_tx_count); rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg); } static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { enum dev_state state = (libconf->conf->flags & IEEE80211_CONF_PS) ? STATE_SLEEP : STATE_AWAKE; u32 reg; if (state == STATE_SLEEP) { rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0); reg = rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5); rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, libconf->conf->listen_interval - 1); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 1); rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); } else { reg = rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0); rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 0); rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); } } void rt2800_config(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf, const unsigned int flags) { /* Always recalculate LNA gain before changing configuration */ rt2800_config_lna_gain(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_CHANNEL) { /* * To provide correct survey data for survey-based ACS algorithm * we have to save survey data for current channel before switching. */ rt2800_update_survey(rt2x00dev); rt2800_config_channel(rt2x00dev, libconf->conf, &libconf->rf, &libconf->channel); rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan, libconf->conf->power_level); } if (flags & IEEE80211_CONF_CHANGE_POWER) rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan, libconf->conf->power_level); if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) rt2800_config_retry_limit(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_PS) rt2800_config_ps(rt2x00dev, libconf); } EXPORT_SYMBOL_GPL(rt2800_config); /* * Link tuning */ void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { u32 reg; /* * Update FCS error count from register. */ reg = rt2800_register_read(rt2x00dev, RX_STA_CNT0); qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR); } EXPORT_SYMBOL_GPL(rt2800_link_stats); static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev) { u8 vgc; if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) { if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3290) || rt2x00_rt(rt2x00dev, RT3390) || rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392) || rt2x00_rt(rt2x00dev, RT5592) || rt2x00_rt(rt2x00dev, RT6352)) vgc = 0x1c + (2 * rt2x00dev->lna_gain); else vgc = 0x2e + rt2x00dev->lna_gain; } else { /* 5GHZ band */ if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3; else if (rt2x00_rt(rt2x00dev, RT5592)) vgc = 0x24 + (2 * rt2x00dev->lna_gain); else { if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3; else vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3; } } return vgc; } static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, u8 vgc_level) { if (qual->vgc_level != vgc_level) { if (rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883) || rt2x00_rt(rt2x00dev, RT6352)) { rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level); } else if (rt2x00_rt(rt2x00dev, RT5592)) { rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a); rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level); } else { rt2800_bbp_write(rt2x00dev, 66, vgc_level); } qual->vgc_level = vgc_level; qual->vgc_level_reg = vgc_level; } } void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev)); } EXPORT_SYMBOL_GPL(rt2800_reset_tuner); void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, const u32 count) { u8 vgc; if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) return; /* When RSSI is better than a certain threshold, increase VGC * with a chip specific value in order to improve the balance * between sensibility and noise isolation. */ vgc = rt2800_get_default_vgc(rt2x00dev); switch (rt2x00dev->chip.rt) { case RT3572: case RT3593: if (qual->rssi > -65) { if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) vgc += 0x20; else vgc += 0x10; } break; case RT3883: if (qual->rssi > -65) vgc += 0x10; break; case RT5592: if (qual->rssi > -65) vgc += 0x20; break; default: if (qual->rssi > -80) vgc += 0x10; break; } rt2800_set_vgc(rt2x00dev, qual, vgc); } EXPORT_SYMBOL_GPL(rt2800_link_tuner); /* * Initialization functions. */ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u32 reg; u16 eeprom; u8 bbp; unsigned int i; int ret; rt2800_disable_wpdma(rt2x00dev); ret = rt2800_drv_init_registers(rt2x00dev); if (ret) return ret; if (rt2x00_rt(rt2x00dev, RT6352)) { rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x01); bbp = rt2800_bbp_read(rt2x00dev, 21); bbp |= 0x01; rt2800_bbp_write(rt2x00dev, 21, bbp); bbp = rt2800_bbp_read(rt2x00dev, 21); bbp &= (~0x01); rt2800_bbp_write(rt2x00dev, 21, bbp); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00); } rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f); rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, 1600); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); rt2800_config_filter(rt2x00dev, FIF_ALLMULTI); reg = rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG); rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME, 9); rt2x00_set_field32(®, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2); rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg); if (rt2x00_rt(rt2x00dev, RT3290)) { reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL); if (rt2x00_get_field32(reg, WLAN_EN) == 1) { rt2x00_set_field32(®, PCIE_APP0_CLK_REQ, 1); rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); } reg = rt2800_register_read(rt2x00dev, CMB_CTRL); if (!(rt2x00_get_field32(reg, LDO0_EN) == 1)) { rt2x00_set_field32(®, LDO0_EN, 1); rt2x00_set_field32(®, LDO_BGSEL, 3); rt2800_register_write(rt2x00dev, CMB_CTRL, reg); } reg = rt2800_register_read(rt2x00dev, OSC_CTRL); rt2x00_set_field32(®, OSC_ROSC_EN, 1); rt2x00_set_field32(®, OSC_CAL_REQ, 1); rt2x00_set_field32(®, OSC_REF_CYCLE, 0x27); rt2800_register_write(rt2x00dev, OSC_CTRL, reg); reg = rt2800_register_read(rt2x00dev, COEX_CFG0); rt2x00_set_field32(®, COEX_CFG_ANT, 0x5e); rt2800_register_write(rt2x00dev, COEX_CFG0, reg); reg = rt2800_register_read(rt2x00dev, COEX_CFG2); rt2x00_set_field32(®, BT_COEX_CFG1, 0x00); rt2x00_set_field32(®, BT_COEX_CFG0, 0x17); rt2x00_set_field32(®, WL_COEX_CFG1, 0x93); rt2x00_set_field32(®, WL_COEX_CFG0, 0x7f); rt2800_register_write(rt2x00dev, COEX_CFG2, reg); reg = rt2800_register_read(rt2x00dev, PLL_CTRL); rt2x00_set_field32(®, PLL_CONTROL, 1); rt2800_register_write(rt2x00dev, PLL_CTRL, reg); } if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3290) || rt2x00_rt(rt2x00dev, RT3390)) { if (rt2x00_rt(rt2x00dev, RT3290)) rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); else rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) || rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST)) rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c); else rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000000f); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } } else if (rt2x00_rt(rt2x00dev, RT3070)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) { rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } } else if (rt2800_is_305x_soc(rt2x00dev)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030); } else if (rt2x00_rt(rt2x00dev, RT3352)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } else if (rt2x00_rt(rt2x00dev, RT3572)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); } else if (rt2x00_rt(rt2x00dev, RT3593)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); if (rt2x00_rt_rev_lt(rt2x00dev, RT3593, REV_RT3593E)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST)) rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000001f); else rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000000f); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } } else if (rt2x00_rt(rt2x00dev, RT3883)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00040000); rt2800_register_write(rt2x00dev, TX_TXBF_CFG_0, 0x8000fc21); rt2800_register_write(rt2x00dev, TX_TXBF_CFG_3, 0x00009c40); } else if (rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } else if (rt2x00_rt(rt2x00dev, RT5592)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } else if (rt2x00_rt(rt2x00dev, RT5350)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); } else if (rt2x00_rt(rt2x00dev, RT6352)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000401); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x000C0001); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x00000000); rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0); rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0); rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C); rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6C6C666C); rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT, 0x3630363A); rt2800_register_write(rt2x00dev, TX1_RF_GAIN_CORRECT, 0x3630363A); reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_1); rt2x00_set_field32(®, TX_ALC_CFG_1_ROS_BUSY_EN, 0); rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg); rt2800_register_write(rt2x00dev, AMPDU_MAX_LEN_20M1S, 0x77754433); rt2800_register_write(rt2x00dev, AMPDU_MAX_LEN_20M2S, 0x77765543); rt2800_register_write(rt2x00dev, AMPDU_MAX_LEN_40M1S, 0x77765544); rt2800_register_write(rt2x00dev, AMPDU_MAX_LEN_40M2S, 0x77765544); rt2800_register_write(rt2x00dev, HT_FBK_TO_LEGACY, 0x1010); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); } reg = rt2800_register_read(rt2x00dev, TX_LINK_CFG); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32); rt2x00_set_field32(®, TX_LINK_CFG_MFB_ENABLE, 0); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_MRQ_EN, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_RDG_EN, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_CF_ACK_EN, 1); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB, 0); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFS, 0); rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg); reg = rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG); rt2x00_set_field32(®, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9); rt2x00_set_field32(®, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32); rt2x00_set_field32(®, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10); rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MAX_LEN_CFG); rt2x00_set_field32(®, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE); if (rt2x00_is_usb(rt2x00dev)) { drv_data->max_psdu = 3; } else if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) || rt2x00_rt(rt2x00dev, RT2883) || rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E)) { drv_data->max_psdu = 2; } else { drv_data->max_psdu = 1; } rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, drv_data->max_psdu); rt2x00_set_field32(®, MAX_LEN_CFG_MIN_PSDU, 10); rt2x00_set_field32(®, MAX_LEN_CFG_MIN_MPDU, 10); rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg); reg = rt2800_register_read(rt2x00dev, LED_CFG); rt2x00_set_field32(®, LED_CFG_ON_PERIOD, 70); rt2x00_set_field32(®, LED_CFG_OFF_PERIOD, 30); rt2x00_set_field32(®, LED_CFG_SLOW_BLINK_PERIOD, 3); rt2x00_set_field32(®, LED_CFG_R_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_G_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_Y_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_LED_POLAR, 1); rt2800_register_write(rt2x00dev, LED_CFG, reg); rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f); reg = rt2800_register_read(rt2x00dev, TX_RTY_CFG); rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT, 2); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT, 2); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_THRE, 2000); rt2x00_set_field32(®, TX_RTY_CFG_NON_AGG_RTY_MODE, 0); rt2x00_set_field32(®, TX_RTY_CFG_AGG_RTY_MODE, 0); rt2x00_set_field32(®, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1); rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg); reg = rt2800_register_read(rt2x00dev, AUTO_RSP_CFG); rt2x00_set_field32(®, AUTO_RSP_CFG_AUTORESPONDER, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MMODE, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MREF, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_DUAL_CTS_EN, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0); rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg); reg = rt2800_register_read(rt2x00dev, CCK_PROT_CFG); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_RATE, 3); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_RATE, 3); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, 0x4004); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, 0x4084); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, 0x4004); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, 0x4084); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg); if (rt2x00_is_usb(rt2x00dev)) { rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006); reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_BIG_ENDIAN, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_HDR_SEG_LEN, 0); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); } /* * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1 * although it is reserved. */ reg = rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG); rt2x00_set_field32(®, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_AC_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0); rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_EN, 0); rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_DLY, 88); rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CWMIN, 0); rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg); reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002; rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg); if (rt2x00_rt(rt2x00dev, RT3883)) { rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_0, 0x12111008); rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_1, 0x16151413); } reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG); rt2x00_set_field32(®, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 7); rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, IEEE80211_MAX_RTS_THRESHOLD); rt2x00_set_field32(®, TX_RTS_CFG_RTS_FBK_EN, 1); rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg); rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca); /* * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS * time should be set to 16. However, the original Ralink driver uses * 16 for both and indeed using a value of 10 for CCK SIFS results in * connection problems with 11g + CTS protection. Hence, use the same * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS. */ reg = rt2800_register_read(rt2x00dev, XIFS_TIME_CFG); rt2x00_set_field32(®, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16); rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16); rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4); rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, 314); rt2x00_set_field32(®, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1); rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg); rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); /* * ASIC will keep garbage value after boot, clear encryption keys. */ for (i = 0; i < 4; i++) rt2800_register_write(rt2x00dev, SHARED_KEY_MODE_ENTRY(i), 0); for (i = 0; i < 256; i++) { rt2800_config_wcid(rt2x00dev, NULL, i); rt2800_delete_wcid_attr(rt2x00dev, i); } /* * Clear encryption initialization vectors on start, but keep them * for watchdog reset. Otherwise we will have wrong IVs and not be * able to keep connections after reset. */ if (!test_bit(DEVICE_STATE_RESET, &rt2x00dev->flags)) for (i = 0; i < 256; i++) rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0); /* * Clear all beacons */ for (i = 0; i < 8; i++) rt2800_clear_beacon_register(rt2x00dev, i); if (rt2x00_is_usb(rt2x00dev)) { reg = rt2800_register_read(rt2x00dev, US_CYC_CNT); rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 30); rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); } else if (rt2x00_is_pcie(rt2x00dev)) { reg = rt2800_register_read(rt2x00dev, US_CYC_CNT); rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 125); rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); } else if (rt2x00_is_soc(rt2x00dev)) { struct clk *clk = clk_get_sys("bus", NULL); int rate; if (IS_ERR(clk)) { clk = clk_get_sys("cpu", NULL); if (IS_ERR(clk)) { rate = 125; } else { rate = clk_get_rate(clk) / 3000000; clk_put(clk); } } else { rate = clk_get_rate(clk) / 1000000; clk_put(clk); } reg = rt2800_register_read(rt2x00dev, US_CYC_CNT); rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, rate); rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); } reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS0FBK, 0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS1FBK, 0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS2FBK, 1); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS3FBK, 2); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS4FBK, 3); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS5FBK, 4); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS6FBK, 5); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS7FBK, 6); rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg); reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG1); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS8FBK, 8); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS9FBK, 8); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS10FBK, 9); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS11FBK, 10); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS12FBK, 11); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS13FBK, 12); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS14FBK, 13); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS15FBK, 14); rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg); reg = rt2800_register_read(rt2x00dev, LG_FBK_CFG0); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS0FBK, 8); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS1FBK, 8); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS2FBK, 9); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS3FBK, 10); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS4FBK, 11); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS5FBK, 12); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS6FBK, 13); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS7FBK, 14); rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg); reg = rt2800_register_read(rt2x00dev, LG_FBK_CFG1); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS0FBK, 0); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS1FBK, 0); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS2FBK, 1); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS3FBK, 2); rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg); /* * Do not force the BA window size, we use the TXWI to set it */ reg = rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE); rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0); rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0); rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg); /* * We must clear the error counters. * These registers are cleared on read, * so we may pass a useless variable to store the value. */ reg = rt2800_register_read(rt2x00dev, RX_STA_CNT0); reg = rt2800_register_read(rt2x00dev, RX_STA_CNT1); reg = rt2800_register_read(rt2x00dev, RX_STA_CNT2); reg = rt2800_register_read(rt2x00dev, TX_STA_CNT0); reg = rt2800_register_read(rt2x00dev, TX_STA_CNT1); reg = rt2800_register_read(rt2x00dev, TX_STA_CNT2); /* * Setup leadtime for pre tbtt interrupt to 6ms */ reg = rt2800_register_read(rt2x00dev, INT_TIMER_CFG); rt2x00_set_field32(®, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4); rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg); /* * Set up channel statistics timer */ reg = rt2800_register_read(rt2x00dev, CH_TIME_CFG); rt2x00_set_field32(®, CH_TIME_CFG_EIFS_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_NAV_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_RX_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_TX_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_TMR_EN, 1); rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg); return 0; } static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev) { u8 value; value = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1); rt2800_bbp_write(rt2x00dev, 4, value); } static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 142, 1); rt2800_bbp_write(rt2x00dev, 143, 57); } static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev) { static const u8 glrt_table[] = { 0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */ 0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */ 0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */ 0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */ 0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */ 0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */ 0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */ 0x2E, 0x36, 0x30, 0x6E, /* 208 ~ 211 */ }; int i; for (i = 0; i < ARRAY_SIZE(glrt_table); i++) { rt2800_bbp_write(rt2x00dev, 195, 128 + i); rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]); } }; static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 65, 0x2C); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 68, 0x0B); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 81, 0x37); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6A); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0x00); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); } static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev) { u16 eeprom; u8 value; value = rt2800_bbp_read(rt2x00dev, 138); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) value |= 0x20; if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) value &= ~0x02; rt2800_bbp_write(rt2x00dev, 138, value); } static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 78, 0x0e); rt2800_bbp_write(rt2x00dev, 80, 0x08); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 105, 0x01); rt2800_bbp_write(rt2x00dev, 106, 0x35); } static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) { rt2800_bbp_write(rt2x00dev, 69, 0x16); rt2800_bbp_write(rt2x00dev, 73, 0x12); } else { rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); } rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 81, 0x37); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D)) rt2800_bbp_write(rt2x00dev, 84, 0x19); else rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0x00); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); } static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) || rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); else rt2800_bbp_write(rt2x00dev, 103, 0x00); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090)) rt2800_disable_unused_dac_adc(rt2x00dev); } static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev) { u8 value; rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 68, 0x0b); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x13); rt2800_bbp_write(rt2x00dev, 75, 0x46); rt2800_bbp_write(rt2x00dev, 76, 0x28); rt2800_bbp_write(rt2x00dev, 77, 0x58); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 74, 0x0b); rt2800_bbp_write(rt2x00dev, 79, 0x18); rt2800_bbp_write(rt2x00dev, 80, 0x09); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x7a); rt2800_bbp_write(rt2x00dev, 84, 0x9a); rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 104, 0x92); rt2800_bbp_write(rt2x00dev, 105, 0x1c); rt2800_bbp_write(rt2x00dev, 106, 0x03); rt2800_bbp_write(rt2x00dev, 128, 0x12); rt2800_bbp_write(rt2x00dev, 67, 0x24); rt2800_bbp_write(rt2x00dev, 143, 0x04); rt2800_bbp_write(rt2x00dev, 142, 0x99); rt2800_bbp_write(rt2x00dev, 150, 0x30); rt2800_bbp_write(rt2x00dev, 151, 0x2e); rt2800_bbp_write(rt2x00dev, 152, 0x20); rt2800_bbp_write(rt2x00dev, 153, 0x34); rt2800_bbp_write(rt2x00dev, 154, 0x40); rt2800_bbp_write(rt2x00dev, 155, 0x3b); rt2800_bbp_write(rt2x00dev, 253, 0x04); value = rt2800_bbp_read(rt2x00dev, 47); rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1); rt2800_bbp_write(rt2x00dev, 47, value); /* Use 5-bit ADC for Acquisition and 8-bit ADC for data */ value = rt2800_bbp_read(rt2x00dev, 3); rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1); rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1); rt2800_bbp_write(rt2x00dev, 3, value); } static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 3, 0x00); rt2800_bbp_write(rt2x00dev, 4, 0x50); rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 47, 0x48); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 68, 0x0b); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x13); rt2800_bbp_write(rt2x00dev, 75, 0x46); rt2800_bbp_write(rt2x00dev, 76, 0x28); rt2800_bbp_write(rt2x00dev, 77, 0x59); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 78, 0x0e); rt2800_bbp_write(rt2x00dev, 80, 0x08); rt2800_bbp_write(rt2x00dev, 81, 0x37); rt2800_bbp_write(rt2x00dev, 82, 0x62); if (rt2x00_rt(rt2x00dev, RT5350)) { rt2800_bbp_write(rt2x00dev, 83, 0x7a); rt2800_bbp_write(rt2x00dev, 84, 0x9a); } else { rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); } rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 104, 0x92); if (rt2x00_rt(rt2x00dev, RT5350)) { rt2800_bbp_write(rt2x00dev, 105, 0x3c); rt2800_bbp_write(rt2x00dev, 106, 0x03); } else { rt2800_bbp_write(rt2x00dev, 105, 0x34); rt2800_bbp_write(rt2x00dev, 106, 0x05); } rt2800_bbp_write(rt2x00dev, 120, 0x50); rt2800_bbp_write(rt2x00dev, 137, 0x0f); rt2800_bbp_write(rt2x00dev, 163, 0xbd); /* Set ITxBF timeout to 0x9c40=1000msec */ rt2800_bbp_write(rt2x00dev, 179, 0x02); rt2800_bbp_write(rt2x00dev, 180, 0x00); rt2800_bbp_write(rt2x00dev, 182, 0x40); rt2800_bbp_write(rt2x00dev, 180, 0x01); rt2800_bbp_write(rt2x00dev, 182, 0x9c); rt2800_bbp_write(rt2x00dev, 179, 0x00); /* Reprogram the inband interface to put right values in RXWI */ rt2800_bbp_write(rt2x00dev, 142, 0x04); rt2800_bbp_write(rt2x00dev, 143, 0x3b); rt2800_bbp_write(rt2x00dev, 142, 0x06); rt2800_bbp_write(rt2x00dev, 143, 0xa0); rt2800_bbp_write(rt2x00dev, 142, 0x07); rt2800_bbp_write(rt2x00dev, 143, 0xa1); rt2800_bbp_write(rt2x00dev, 142, 0x08); rt2800_bbp_write(rt2x00dev, 143, 0xa2); rt2800_bbp_write(rt2x00dev, 148, 0xc8); if (rt2x00_rt(rt2x00dev, RT5350)) { /* Antenna Software OFDM */ rt2800_bbp_write(rt2x00dev, 150, 0x40); /* Antenna Software CCK */ rt2800_bbp_write(rt2x00dev, 151, 0x30); rt2800_bbp_write(rt2x00dev, 152, 0xa3); /* Clear previously selected antenna */ rt2800_bbp_write(rt2x00dev, 154, 0); } } static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); else rt2800_bbp_write(rt2x00dev, 103, 0x00); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); rt2800_disable_unused_dac_adc(rt2x00dev); } static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); rt2800_disable_unused_dac_adc(rt2x00dev); } static void rt2800_init_bbp_3593(struct rt2x00_dev *rt2x00dev) { rt2800_init_bbp_early(rt2x00dev); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 137, 0x0f); rt2800_bbp_write(rt2x00dev, 84, 0x19); /* Enable DC filter */ if (rt2x00_rt_rev_gte(rt2x00dev, RT3593, REV_RT3593E)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); } static void rt2800_init_bbp_3883(struct rt2x00_dev *rt2x00dev) { rt2800_init_bbp_early(rt2x00dev); rt2800_bbp_write(rt2x00dev, 4, 0x50); rt2800_bbp_write(rt2x00dev, 47, 0x48); rt2800_bbp_write(rt2x00dev, 86, 0x46); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 104, 0x92); rt2800_bbp_write(rt2x00dev, 105, 0x34); rt2800_bbp_write(rt2x00dev, 106, 0x12); rt2800_bbp_write(rt2x00dev, 120, 0x50); rt2800_bbp_write(rt2x00dev, 137, 0x0f); rt2800_bbp_write(rt2x00dev, 163, 0x9d); /* Set ITxBF timeout to 0x9C40=1000msec */ rt2800_bbp_write(rt2x00dev, 179, 0x02); rt2800_bbp_write(rt2x00dev, 180, 0x00); rt2800_bbp_write(rt2x00dev, 182, 0x40); rt2800_bbp_write(rt2x00dev, 180, 0x01); rt2800_bbp_write(rt2x00dev, 182, 0x9c); rt2800_bbp_write(rt2x00dev, 179, 0x00); /* Reprogram the inband interface to put right values in RXWI */ rt2800_bbp_write(rt2x00dev, 142, 0x04); rt2800_bbp_write(rt2x00dev, 143, 0x3b); rt2800_bbp_write(rt2x00dev, 142, 0x06); rt2800_bbp_write(rt2x00dev, 143, 0xa0); rt2800_bbp_write(rt2x00dev, 142, 0x07); rt2800_bbp_write(rt2x00dev, 143, 0xa1); rt2800_bbp_write(rt2x00dev, 142, 0x08); rt2800_bbp_write(rt2x00dev, 143, 0xa2); rt2800_bbp_write(rt2x00dev, 148, 0xc8); } static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev) { int ant, div_mode; u16 eeprom; u8 value; rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 68, 0x0b); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x13); rt2800_bbp_write(rt2x00dev, 75, 0x46); rt2800_bbp_write(rt2x00dev, 76, 0x28); rt2800_bbp_write(rt2x00dev, 77, 0x59); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x7a); rt2800_bbp_write(rt2x00dev, 84, 0x9a); rt2800_bbp_write(rt2x00dev, 86, 0x38); if (rt2x00_rt(rt2x00dev, RT5392)) rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); if (rt2x00_rt(rt2x00dev, RT5392)) { rt2800_bbp_write(rt2x00dev, 95, 0x9a); rt2800_bbp_write(rt2x00dev, 98, 0x12); } rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 104, 0x92); rt2800_bbp_write(rt2x00dev, 105, 0x3c); if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 106, 0x03); else if (rt2x00_rt(rt2x00dev, RT5392)) rt2800_bbp_write(rt2x00dev, 106, 0x12); else WARN_ON(1); rt2800_bbp_write(rt2x00dev, 128, 0x12); if (rt2x00_rt(rt2x00dev, RT5392)) { rt2800_bbp_write(rt2x00dev, 134, 0xd0); rt2800_bbp_write(rt2x00dev, 135, 0xf6); } rt2800_disable_unused_dac_adc(rt2x00dev); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); ant = (div_mode == 3) ? 1 : 0; /* check if this is a Bluetooth combo card */ if (rt2x00_has_cap_bt_coexist(rt2x00dev)) { u32 reg; reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); rt2x00_set_field32(®, GPIO_CTRL_DIR3, 0); rt2x00_set_field32(®, GPIO_CTRL_DIR6, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL3, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL6, 0); if (ant == 0) rt2x00_set_field32(®, GPIO_CTRL_VAL3, 1); else if (ant == 1) rt2x00_set_field32(®, GPIO_CTRL_VAL6, 1); rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); } /* These chips have hardware RX antenna diversity */ if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R) || rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5370G)) { rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */ rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */ rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */ } value = rt2800_bbp_read(rt2x00dev, 152); if (ant == 0) rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); else rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); rt2800_bbp_write(rt2x00dev, 152, value); rt2800_init_freq_calibration(rt2x00dev); } static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev) { int ant, div_mode; u16 eeprom; u8 value; rt2800_init_bbp_early(rt2x00dev); value = rt2800_bbp_read(rt2x00dev, 105); rt2x00_set_field8(&value, BBP105_MLD, rt2x00dev->default_ant.rx_chain_num == 2); rt2800_bbp_write(rt2x00dev, 105, value); rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 20, 0x06); rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2C); rt2800_bbp_write(rt2x00dev, 68, 0xDD); rt2800_bbp_write(rt2x00dev, 69, 0x1A); rt2800_bbp_write(rt2x00dev, 70, 0x05); rt2800_bbp_write(rt2x00dev, 73, 0x13); rt2800_bbp_write(rt2x00dev, 74, 0x0F); rt2800_bbp_write(rt2x00dev, 75, 0x4F); rt2800_bbp_write(rt2x00dev, 76, 0x28); rt2800_bbp_write(rt2x00dev, 77, 0x59); rt2800_bbp_write(rt2x00dev, 84, 0x9A); rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 95, 0x9a); rt2800_bbp_write(rt2x00dev, 98, 0x12); rt2800_bbp_write(rt2x00dev, 103, 0xC0); rt2800_bbp_write(rt2x00dev, 104, 0x92); /* FIXME BBP105 owerwrite */ rt2800_bbp_write(rt2x00dev, 105, 0x3C); rt2800_bbp_write(rt2x00dev, 106, 0x35); rt2800_bbp_write(rt2x00dev, 128, 0x12); rt2800_bbp_write(rt2x00dev, 134, 0xD0); rt2800_bbp_write(rt2x00dev, 135, 0xF6); rt2800_bbp_write(rt2x00dev, 137, 0x0F); /* Initialize GLRT (Generalized Likehood Radio Test) */ rt2800_init_bbp_5592_glrt(rt2x00dev); rt2800_bbp4_mac_if_ctrl(rt2x00dev); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); ant = (div_mode == 3) ? 1 : 0; value = rt2800_bbp_read(rt2x00dev, 152); if (ant == 0) { /* Main antenna */ rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); } else { /* Auxiliary antenna */ rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); } rt2800_bbp_write(rt2x00dev, 152, value); if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) { value = rt2800_bbp_read(rt2x00dev, 254); rt2x00_set_field8(&value, BBP254_BIT7, 1); rt2800_bbp_write(rt2x00dev, 254, value); } rt2800_init_freq_calibration(rt2x00dev); rt2800_bbp_write(rt2x00dev, 84, 0x19); if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); } static void rt2800_init_bbp_6352(struct rt2x00_dev *rt2x00dev) { u8 bbp; /* Apply Maximum Likelihood Detection (MLD) for 2 stream case */ bbp = rt2800_bbp_read(rt2x00dev, 105); rt2x00_set_field8(&bbp, BBP105_MLD, rt2x00dev->default_ant.rx_chain_num == 2); rt2800_bbp_write(rt2x00dev, 105, bbp); /* Avoid data loss and CRC errors */ rt2800_bbp4_mac_if_ctrl(rt2x00dev); /* Fix I/Q swap issue */ bbp = rt2800_bbp_read(rt2x00dev, 1); bbp |= 0x04; rt2800_bbp_write(rt2x00dev, 1, bbp); /* BBP for G band */ rt2800_bbp_write(rt2x00dev, 3, 0x08); rt2800_bbp_write(rt2x00dev, 4, 0x00); /* rt2800_bbp4_mac_if_ctrl? */ rt2800_bbp_write(rt2x00dev, 6, 0x08); rt2800_bbp_write(rt2x00dev, 14, 0x09); rt2800_bbp_write(rt2x00dev, 15, 0xFF); rt2800_bbp_write(rt2x00dev, 16, 0x01); rt2800_bbp_write(rt2x00dev, 20, 0x06); rt2800_bbp_write(rt2x00dev, 21, 0x00); rt2800_bbp_write(rt2x00dev, 22, 0x00); rt2800_bbp_write(rt2x00dev, 27, 0x00); rt2800_bbp_write(rt2x00dev, 28, 0x00); rt2800_bbp_write(rt2x00dev, 30, 0x00); rt2800_bbp_write(rt2x00dev, 31, 0x48); rt2800_bbp_write(rt2x00dev, 47, 0x40); rt2800_bbp_write(rt2x00dev, 62, 0x00); rt2800_bbp_write(rt2x00dev, 63, 0x00); rt2800_bbp_write(rt2x00dev, 64, 0x00); rt2800_bbp_write(rt2x00dev, 65, 0x2C); rt2800_bbp_write(rt2x00dev, 66, 0x1C); rt2800_bbp_write(rt2x00dev, 67, 0x20); rt2800_bbp_write(rt2x00dev, 68, 0xDD); rt2800_bbp_write(rt2x00dev, 69, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x05); rt2800_bbp_write(rt2x00dev, 73, 0x18); rt2800_bbp_write(rt2x00dev, 74, 0x0F); rt2800_bbp_write(rt2x00dev, 75, 0x60); rt2800_bbp_write(rt2x00dev, 76, 0x44); rt2800_bbp_write(rt2x00dev, 77, 0x59); rt2800_bbp_write(rt2x00dev, 78, 0x1E); rt2800_bbp_write(rt2x00dev, 79, 0x1C); rt2800_bbp_write(rt2x00dev, 80, 0x0C); rt2800_bbp_write(rt2x00dev, 81, 0x3A); rt2800_bbp_write(rt2x00dev, 82, 0xB6); rt2800_bbp_write(rt2x00dev, 83, 0x9A); rt2800_bbp_write(rt2x00dev, 84, 0x9A); rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 95, 0x9A); rt2800_bbp_write(rt2x00dev, 96, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0xC0); rt2800_bbp_write(rt2x00dev, 104, 0x92); /* FIXME BBP105 owerwrite */ rt2800_bbp_write(rt2x00dev, 105, 0x3C); rt2800_bbp_write(rt2x00dev, 106, 0x12); rt2800_bbp_write(rt2x00dev, 109, 0x00); rt2800_bbp_write(rt2x00dev, 134, 0x10); rt2800_bbp_write(rt2x00dev, 135, 0xA6); rt2800_bbp_write(rt2x00dev, 137, 0x04); rt2800_bbp_write(rt2x00dev, 142, 0x30); rt2800_bbp_write(rt2x00dev, 143, 0xF7); rt2800_bbp_write(rt2x00dev, 160, 0xEC); rt2800_bbp_write(rt2x00dev, 161, 0xC4); rt2800_bbp_write(rt2x00dev, 162, 0x77); rt2800_bbp_write(rt2x00dev, 163, 0xF9); rt2800_bbp_write(rt2x00dev, 164, 0x00); rt2800_bbp_write(rt2x00dev, 165, 0x00); rt2800_bbp_write(rt2x00dev, 186, 0x00); rt2800_bbp_write(rt2x00dev, 187, 0x00); rt2800_bbp_write(rt2x00dev, 188, 0x00); rt2800_bbp_write(rt2x00dev, 186, 0x00); rt2800_bbp_write(rt2x00dev, 187, 0x01); rt2800_bbp_write(rt2x00dev, 188, 0x00); rt2800_bbp_write(rt2x00dev, 189, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x06); rt2800_bbp_write(rt2x00dev, 92, 0x04); rt2800_bbp_write(rt2x00dev, 93, 0x54); rt2800_bbp_write(rt2x00dev, 99, 0x50); rt2800_bbp_write(rt2x00dev, 148, 0x84); rt2800_bbp_write(rt2x00dev, 167, 0x80); rt2800_bbp_write(rt2x00dev, 178, 0xFF); rt2800_bbp_write(rt2x00dev, 106, 0x13); /* BBP for G band GLRT function (BBP_128 ~ BBP_221) */ rt2800_bbp_glrt_write(rt2x00dev, 0, 0x00); rt2800_bbp_glrt_write(rt2x00dev, 1, 0x14); rt2800_bbp_glrt_write(rt2x00dev, 2, 0x20); rt2800_bbp_glrt_write(rt2x00dev, 3, 0x0A); rt2800_bbp_glrt_write(rt2x00dev, 10, 0x16); rt2800_bbp_glrt_write(rt2x00dev, 11, 0x06); rt2800_bbp_glrt_write(rt2x00dev, 12, 0x02); rt2800_bbp_glrt_write(rt2x00dev, 13, 0x07); rt2800_bbp_glrt_write(rt2x00dev, 14, 0x05); rt2800_bbp_glrt_write(rt2x00dev, 15, 0x09); rt2800_bbp_glrt_write(rt2x00dev, 16, 0x20); rt2800_bbp_glrt_write(rt2x00dev, 17, 0x08); rt2800_bbp_glrt_write(rt2x00dev, 18, 0x4A); rt2800_bbp_glrt_write(rt2x00dev, 19, 0x00); rt2800_bbp_glrt_write(rt2x00dev, 20, 0x00); rt2800_bbp_glrt_write(rt2x00dev, 128, 0xE0); rt2800_bbp_glrt_write(rt2x00dev, 129, 0x1F); rt2800_bbp_glrt_write(rt2x00dev, 130, 0x4F); rt2800_bbp_glrt_write(rt2x00dev, 131, 0x32); rt2800_bbp_glrt_write(rt2x00dev, 132, 0x08); rt2800_bbp_glrt_write(rt2x00dev, 133, 0x28); rt2800_bbp_glrt_write(rt2x00dev, 134, 0x19); rt2800_bbp_glrt_write(rt2x00dev, 135, 0x0A); rt2800_bbp_glrt_write(rt2x00dev, 138, 0x16); rt2800_bbp_glrt_write(rt2x00dev, 139, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 140, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 141, 0x1A); rt2800_bbp_glrt_write(rt2x00dev, 142, 0x36); rt2800_bbp_glrt_write(rt2x00dev, 143, 0x2C); rt2800_bbp_glrt_write(rt2x00dev, 144, 0x26); rt2800_bbp_glrt_write(rt2x00dev, 145, 0x24); rt2800_bbp_glrt_write(rt2x00dev, 146, 0x42); rt2800_bbp_glrt_write(rt2x00dev, 147, 0x40); rt2800_bbp_glrt_write(rt2x00dev, 148, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 149, 0x29); rt2800_bbp_glrt_write(rt2x00dev, 150, 0x4C); rt2800_bbp_glrt_write(rt2x00dev, 151, 0x46); rt2800_bbp_glrt_write(rt2x00dev, 152, 0x3D); rt2800_bbp_glrt_write(rt2x00dev, 153, 0x40); rt2800_bbp_glrt_write(rt2x00dev, 154, 0x3E); rt2800_bbp_glrt_write(rt2x00dev, 155, 0x38); rt2800_bbp_glrt_write(rt2x00dev, 156, 0x3D); rt2800_bbp_glrt_write(rt2x00dev, 157, 0x2F); rt2800_bbp_glrt_write(rt2x00dev, 158, 0x3C); rt2800_bbp_glrt_write(rt2x00dev, 159, 0x34); rt2800_bbp_glrt_write(rt2x00dev, 160, 0x2C); rt2800_bbp_glrt_write(rt2x00dev, 161, 0x2F); rt2800_bbp_glrt_write(rt2x00dev, 162, 0x3C); rt2800_bbp_glrt_write(rt2x00dev, 163, 0x35); rt2800_bbp_glrt_write(rt2x00dev, 164, 0x2E); rt2800_bbp_glrt_write(rt2x00dev, 165, 0x2F); rt2800_bbp_glrt_write(rt2x00dev, 166, 0x49); rt2800_bbp_glrt_write(rt2x00dev, 167, 0x41); rt2800_bbp_glrt_write(rt2x00dev, 168, 0x36); rt2800_bbp_glrt_write(rt2x00dev, 169, 0x39); rt2800_bbp_glrt_write(rt2x00dev, 170, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 171, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 172, 0x0E); rt2800_bbp_glrt_write(rt2x00dev, 173, 0x0D); rt2800_bbp_glrt_write(rt2x00dev, 174, 0x28); rt2800_bbp_glrt_write(rt2x00dev, 175, 0x21); rt2800_bbp_glrt_write(rt2x00dev, 176, 0x1C); rt2800_bbp_glrt_write(rt2x00dev, 177, 0x16); rt2800_bbp_glrt_write(rt2x00dev, 178, 0x50); rt2800_bbp_glrt_write(rt2x00dev, 179, 0x4A); rt2800_bbp_glrt_write(rt2x00dev, 180, 0x43); rt2800_bbp_glrt_write(rt2x00dev, 181, 0x50); rt2800_bbp_glrt_write(rt2x00dev, 182, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 183, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 184, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 185, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 200, 0x7D); rt2800_bbp_glrt_write(rt2x00dev, 201, 0x14); rt2800_bbp_glrt_write(rt2x00dev, 202, 0x32); rt2800_bbp_glrt_write(rt2x00dev, 203, 0x2C); rt2800_bbp_glrt_write(rt2x00dev, 204, 0x36); rt2800_bbp_glrt_write(rt2x00dev, 205, 0x4C); rt2800_bbp_glrt_write(rt2x00dev, 206, 0x43); rt2800_bbp_glrt_write(rt2x00dev, 207, 0x2C); rt2800_bbp_glrt_write(rt2x00dev, 208, 0x2E); rt2800_bbp_glrt_write(rt2x00dev, 209, 0x36); rt2800_bbp_glrt_write(rt2x00dev, 210, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 211, 0x6E); /* BBP for G band DCOC function */ rt2800_bbp_dcoc_write(rt2x00dev, 140, 0x0C); rt2800_bbp_dcoc_write(rt2x00dev, 141, 0x00); rt2800_bbp_dcoc_write(rt2x00dev, 142, 0x10); rt2800_bbp_dcoc_write(rt2x00dev, 143, 0x10); rt2800_bbp_dcoc_write(rt2x00dev, 144, 0x10); rt2800_bbp_dcoc_write(rt2x00dev, 145, 0x10); rt2800_bbp_dcoc_write(rt2x00dev, 146, 0x08); rt2800_bbp_dcoc_write(rt2x00dev, 147, 0x40); rt2800_bbp_dcoc_write(rt2x00dev, 148, 0x04); rt2800_bbp_dcoc_write(rt2x00dev, 149, 0x04); rt2800_bbp_dcoc_write(rt2x00dev, 150, 0x08); rt2800_bbp_dcoc_write(rt2x00dev, 151, 0x08); rt2800_bbp_dcoc_write(rt2x00dev, 152, 0x03); rt2800_bbp_dcoc_write(rt2x00dev, 153, 0x03); rt2800_bbp_dcoc_write(rt2x00dev, 154, 0x03); rt2800_bbp_dcoc_write(rt2x00dev, 155, 0x02); rt2800_bbp_dcoc_write(rt2x00dev, 156, 0x40); rt2800_bbp_dcoc_write(rt2x00dev, 157, 0x40); rt2800_bbp_dcoc_write(rt2x00dev, 158, 0x64); rt2800_bbp_dcoc_write(rt2x00dev, 159, 0x64); rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 84, 0x19); } static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev) { unsigned int i; u16 eeprom; u8 reg_id; u8 value; if (rt2800_is_305x_soc(rt2x00dev)) rt2800_init_bbp_305x_soc(rt2x00dev); switch (rt2x00dev->chip.rt) { case RT2860: case RT2872: case RT2883: rt2800_init_bbp_28xx(rt2x00dev); break; case RT3070: case RT3071: case RT3090: rt2800_init_bbp_30xx(rt2x00dev); break; case RT3290: rt2800_init_bbp_3290(rt2x00dev); break; case RT3352: case RT5350: rt2800_init_bbp_3352(rt2x00dev); break; case RT3390: rt2800_init_bbp_3390(rt2x00dev); break; case RT3572: rt2800_init_bbp_3572(rt2x00dev); break; case RT3593: rt2800_init_bbp_3593(rt2x00dev); return; case RT3883: rt2800_init_bbp_3883(rt2x00dev); return; case RT5390: case RT5392: rt2800_init_bbp_53xx(rt2x00dev); break; case RT5592: rt2800_init_bbp_5592(rt2x00dev); return; case RT6352: rt2800_init_bbp_6352(rt2x00dev); break; } for (i = 0; i < EEPROM_BBP_SIZE; i++) { eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_BBP_START, i); if (eeprom != 0xffff && eeprom != 0x0000) { reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); rt2800_bbp_write(rt2x00dev, reg_id, value); } } } static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev) { u32 reg; reg = rt2800_register_read(rt2x00dev, OPT_14_CSR); rt2x00_set_field32(®, OPT_14_CSR_BIT0, 1); rt2800_register_write(rt2x00dev, OPT_14_CSR, reg); } static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40, u8 filter_target) { unsigned int i; u8 bbp; u8 rfcsr; u8 passband; u8 stopband; u8 overtuned = 0; u8 rfcsr24 = (bw40) ? 0x27 : 0x07; rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24); bbp = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40); rt2800_bbp_write(rt2x00dev, 4, bbp); rfcsr = rt2800_rfcsr_read(rt2x00dev, 31); rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40); rt2800_rfcsr_write(rt2x00dev, 31, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 22); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1); rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); /* * Set power & frequency of passband test tone */ rt2800_bbp_write(rt2x00dev, 24, 0); for (i = 0; i < 100; i++) { rt2800_bbp_write(rt2x00dev, 25, 0x90); msleep(1); passband = rt2800_bbp_read(rt2x00dev, 55); if (passband) break; } /* * Set power & frequency of stopband test tone */ rt2800_bbp_write(rt2x00dev, 24, 0x06); for (i = 0; i < 100; i++) { rt2800_bbp_write(rt2x00dev, 25, 0x90); msleep(1); stopband = rt2800_bbp_read(rt2x00dev, 55); if ((passband - stopband) <= filter_target) { rfcsr24++; overtuned += ((passband - stopband) == filter_target); } else break; rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24); } rfcsr24 -= !!overtuned; rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24); return rfcsr24; } static void rt2800_rf_init_calibration(struct rt2x00_dev *rt2x00dev, const unsigned int rf_reg) { u8 rfcsr; rfcsr = rt2800_rfcsr_read(rt2x00dev, rf_reg); rt2x00_set_field8(&rfcsr, FIELD8(0x80), 1); rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, FIELD8(0x80), 0); rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr); } static void rt2800_rx_filter_calibration(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 filter_tgt_bw20; u8 filter_tgt_bw40; u8 rfcsr, bbp; /* * TODO: sync filter_tgt values with vendor driver */ if (rt2x00_rt(rt2x00dev, RT3070)) { filter_tgt_bw20 = 0x16; filter_tgt_bw40 = 0x19; } else { filter_tgt_bw20 = 0x13; filter_tgt_bw40 = 0x15; } drv_data->calibration_bw20 = rt2800_init_rx_filter(rt2x00dev, false, filter_tgt_bw20); drv_data->calibration_bw40 = rt2800_init_rx_filter(rt2x00dev, true, filter_tgt_bw40); /* * Save BBP 25 & 26 values for later use in channel switching (for 3052) */ drv_data->bbp25 = rt2800_bbp_read(rt2x00dev, 25); drv_data->bbp26 = rt2800_bbp_read(rt2x00dev, 26); /* * Set back to initial state */ rt2800_bbp_write(rt2x00dev, 24, 0); rfcsr = rt2800_rfcsr_read(rt2x00dev, 22); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0); rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); /* * Set BBP back to BW20 */ bbp = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0); rt2800_bbp_write(rt2x00dev, 4, bbp); } static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 min_gain, rfcsr, bbp; u16 eeprom; rfcsr = rt2800_rfcsr_read(rt2x00dev, 17); rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0); if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) || rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) { if (!rt2x00_has_cap_external_lna_bg(rt2x00dev)) rt2x00_set_field8(&rfcsr, RFCSR17_R, 1); } min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2; if (drv_data->txmixer_gain_24g >= min_gain) { rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN, drv_data->txmixer_gain_24g); } rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); if (rt2x00_rt(rt2x00dev, RT3090)) { /* Turn off unused DAC1 and ADC1 to reduce power consumption */ bbp = rt2800_bbp_read(rt2x00dev, 138); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1); rt2800_bbp_write(rt2x00dev, 138, bbp); } if (rt2x00_rt(rt2x00dev, RT3070)) { rfcsr = rt2800_rfcsr_read(rt2x00dev, 27); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3); else rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0); rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0); rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0); rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0); rt2800_rfcsr_write(rt2x00dev, 27, rfcsr); } else if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390)) { rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 15); rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 15, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 20); rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 20, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 21); rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 21, rfcsr); } } static void rt2800_normal_mode_setup_3593(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rfcsr; u8 tx_gain; rfcsr = rt2800_rfcsr_read(rt2x00dev, 50); rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 51); tx_gain = rt2x00_get_field8(drv_data->txmixer_gain_24g, RFCSR17_TXMIXER_GAIN); rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, tx_gain); rt2800_rfcsr_write(rt2x00dev, 51, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 38); rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 38, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 39); rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); /* TODO: enable stream mode */ } static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev) { u8 reg; u16 eeprom; /* Turn off unused DAC1 and ADC1 to reduce power consumption */ reg = rt2800_bbp_read(rt2x00dev, 138); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) rt2x00_set_field8(®, BBP138_RX_ADC1, 0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) rt2x00_set_field8(®, BBP138_TX_DAC1, 1); rt2800_bbp_write(rt2x00dev, 138, reg); reg = rt2800_rfcsr_read(rt2x00dev, 38); rt2x00_set_field8(®, RFCSR38_RX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 38, reg); reg = rt2800_rfcsr_read(rt2x00dev, 39); rt2x00_set_field8(®, RFCSR39_RX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 39, reg); rt2800_bbp4_mac_if_ctrl(rt2x00dev); reg = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(®, RFCSR30_RX_VCM, 2); rt2800_rfcsr_write(rt2x00dev, 30, reg); } static void rt2800_init_rfcsr_305x_soc(struct rt2x00_dev *rt2x00dev) { rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 0, 0x50); rt2800_rfcsr_write(rt2x00dev, 1, 0x01); rt2800_rfcsr_write(rt2x00dev, 2, 0xf7); rt2800_rfcsr_write(rt2x00dev, 3, 0x75); rt2800_rfcsr_write(rt2x00dev, 4, 0x40); rt2800_rfcsr_write(rt2x00dev, 5, 0x03); rt2800_rfcsr_write(rt2x00dev, 6, 0x02); rt2800_rfcsr_write(rt2x00dev, 7, 0x50); rt2800_rfcsr_write(rt2x00dev, 8, 0x39); rt2800_rfcsr_write(rt2x00dev, 9, 0x0f); rt2800_rfcsr_write(rt2x00dev, 10, 0x60); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); rt2800_rfcsr_write(rt2x00dev, 12, 0x75); rt2800_rfcsr_write(rt2x00dev, 13, 0x75); rt2800_rfcsr_write(rt2x00dev, 14, 0x90); rt2800_rfcsr_write(rt2x00dev, 15, 0x58); rt2800_rfcsr_write(rt2x00dev, 16, 0xb3); rt2800_rfcsr_write(rt2x00dev, 17, 0x92); rt2800_rfcsr_write(rt2x00dev, 18, 0x2c); rt2800_rfcsr_write(rt2x00dev, 19, 0x02); rt2800_rfcsr_write(rt2x00dev, 20, 0xba); rt2800_rfcsr_write(rt2x00dev, 21, 0xdb); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x31); rt2800_rfcsr_write(rt2x00dev, 24, 0x08); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); rt2800_rfcsr_write(rt2x00dev, 26, 0x25); rt2800_rfcsr_write(rt2x00dev, 27, 0x23); rt2800_rfcsr_write(rt2x00dev, 28, 0x13); rt2800_rfcsr_write(rt2x00dev, 29, 0x83); rt2800_rfcsr_write(rt2x00dev, 30, 0x00); rt2800_rfcsr_write(rt2x00dev, 31, 0x00); } static void rt2800_init_rfcsr_30xx(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; u16 eeprom; u32 reg; /* XXX vendor driver do this only for 3070 */ rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 4, 0x40); rt2800_rfcsr_write(rt2x00dev, 5, 0x03); rt2800_rfcsr_write(rt2x00dev, 6, 0x02); rt2800_rfcsr_write(rt2x00dev, 7, 0x60); rt2800_rfcsr_write(rt2x00dev, 9, 0x0f); rt2800_rfcsr_write(rt2x00dev, 10, 0x41); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); rt2800_rfcsr_write(rt2x00dev, 12, 0x7b); rt2800_rfcsr_write(rt2x00dev, 14, 0x90); rt2800_rfcsr_write(rt2x00dev, 15, 0x58); rt2800_rfcsr_write(rt2x00dev, 16, 0xb3); rt2800_rfcsr_write(rt2x00dev, 17, 0x92); rt2800_rfcsr_write(rt2x00dev, 18, 0x2c); rt2800_rfcsr_write(rt2x00dev, 19, 0x02); rt2800_rfcsr_write(rt2x00dev, 20, 0xba); rt2800_rfcsr_write(rt2x00dev, 21, 0xdb); rt2800_rfcsr_write(rt2x00dev, 24, 0x16); rt2800_rfcsr_write(rt2x00dev, 25, 0x03); rt2800_rfcsr_write(rt2x00dev, 29, 0x1f); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) { reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); } else if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090)) { rt2800_rfcsr_write(rt2x00dev, 31, 0x14); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST)) rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); else rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0); } rt2800_register_write(rt2x00dev, LDO_CFG0, reg); reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH); rt2x00_set_field32(®, GPIO_SWITCH_5, 0); rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); } rt2800_rx_filter_calibration(rt2x00dev); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) || rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt2800_init_rfcsr_3290(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; rt2800_rf_init_calibration(rt2x00dev, 2); rt2800_rfcsr_write(rt2x00dev, 1, 0x0f); rt2800_rfcsr_write(rt2x00dev, 2, 0x80); rt2800_rfcsr_write(rt2x00dev, 3, 0x08); rt2800_rfcsr_write(rt2x00dev, 4, 0x00); rt2800_rfcsr_write(rt2x00dev, 6, 0xa0); rt2800_rfcsr_write(rt2x00dev, 8, 0xf3); rt2800_rfcsr_write(rt2x00dev, 9, 0x02); rt2800_rfcsr_write(rt2x00dev, 10, 0x53); rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); rt2800_rfcsr_write(rt2x00dev, 12, 0x46); rt2800_rfcsr_write(rt2x00dev, 13, 0x9f); rt2800_rfcsr_write(rt2x00dev, 18, 0x02); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 25, 0x83); rt2800_rfcsr_write(rt2x00dev, 26, 0x82); rt2800_rfcsr_write(rt2x00dev, 27, 0x09); rt2800_rfcsr_write(rt2x00dev, 29, 0x10); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x05); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 38, 0x85); rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); rt2800_rfcsr_write(rt2x00dev, 40, 0x0b); rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); rt2800_rfcsr_write(rt2x00dev, 42, 0xd5); rt2800_rfcsr_write(rt2x00dev, 43, 0x7b); rt2800_rfcsr_write(rt2x00dev, 44, 0x0e); rt2800_rfcsr_write(rt2x00dev, 45, 0xa2); rt2800_rfcsr_write(rt2x00dev, 46, 0x73); rt2800_rfcsr_write(rt2x00dev, 47, 0x00); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 49, 0x98); rt2800_rfcsr_write(rt2x00dev, 52, 0x38); rt2800_rfcsr_write(rt2x00dev, 53, 0x00); rt2800_rfcsr_write(rt2x00dev, 54, 0x78); rt2800_rfcsr_write(rt2x00dev, 55, 0x43); rt2800_rfcsr_write(rt2x00dev, 56, 0x02); rt2800_rfcsr_write(rt2x00dev, 57, 0x80); rt2800_rfcsr_write(rt2x00dev, 58, 0x7f); rt2800_rfcsr_write(rt2x00dev, 59, 0x09); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); rt2800_rfcsr_write(rt2x00dev, 61, 0xc1); rfcsr = rt2800_rfcsr_read(rt2x00dev, 29); rt2x00_set_field8(&rfcsr, RFCSR29_RSSI_GAIN, 3); rt2800_rfcsr_write(rt2x00dev, 29, rfcsr); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt2800_init_rfcsr_3352(struct rt2x00_dev *rt2x00dev) { int tx0_ext_pa = test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags); int tx1_ext_pa = test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags); u8 rfcsr; rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 0, 0xf0); rt2800_rfcsr_write(rt2x00dev, 1, 0x23); rt2800_rfcsr_write(rt2x00dev, 2, 0x50); rt2800_rfcsr_write(rt2x00dev, 3, 0x18); rt2800_rfcsr_write(rt2x00dev, 4, 0x00); rt2800_rfcsr_write(rt2x00dev, 5, 0x00); rt2800_rfcsr_write(rt2x00dev, 6, 0x33); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 8, 0xf1); rt2800_rfcsr_write(rt2x00dev, 9, 0x02); rt2800_rfcsr_write(rt2x00dev, 10, 0xd2); rt2800_rfcsr_write(rt2x00dev, 11, 0x42); rt2800_rfcsr_write(rt2x00dev, 12, 0x1c); rt2800_rfcsr_write(rt2x00dev, 13, 0x00); rt2800_rfcsr_write(rt2x00dev, 14, 0x5a); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x01); rt2800_rfcsr_write(rt2x00dev, 18, 0x45); rt2800_rfcsr_write(rt2x00dev, 19, 0x02); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x00); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x00); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); rt2800_rfcsr_write(rt2x00dev, 25, 0x80); rt2800_rfcsr_write(rt2x00dev, 26, 0x00); rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_rfcsr_write(rt2x00dev, 28, 0x03); rt2800_rfcsr_write(rt2x00dev, 29, 0x00); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rfcsr = 0x01; if (tx0_ext_pa) rt2x00_set_field8(&rfcsr, RFCSR34_TX0_EXT_PA, 1); if (tx1_ext_pa) rt2x00_set_field8(&rfcsr, RFCSR34_TX1_EXT_PA, 1); rt2800_rfcsr_write(rt2x00dev, 34, rfcsr); rt2800_rfcsr_write(rt2x00dev, 35, 0x03); rt2800_rfcsr_write(rt2x00dev, 36, 0xbd); rt2800_rfcsr_write(rt2x00dev, 37, 0x3c); rt2800_rfcsr_write(rt2x00dev, 38, 0x5f); rt2800_rfcsr_write(rt2x00dev, 39, 0xc5); rt2800_rfcsr_write(rt2x00dev, 40, 0x33); rfcsr = 0x52; if (!tx0_ext_pa) { rt2x00_set_field8(&rfcsr, RFCSR41_BIT1, 1); rt2x00_set_field8(&rfcsr, RFCSR41_BIT4, 1); } rt2800_rfcsr_write(rt2x00dev, 41, rfcsr); rfcsr = 0x52; if (!tx1_ext_pa) { rt2x00_set_field8(&rfcsr, RFCSR42_BIT1, 1); rt2x00_set_field8(&rfcsr, RFCSR42_BIT4, 1); } rt2800_rfcsr_write(rt2x00dev, 42, rfcsr); rt2800_rfcsr_write(rt2x00dev, 43, 0xdb); rt2800_rfcsr_write(rt2x00dev, 44, 0xdb); rt2800_rfcsr_write(rt2x00dev, 45, 0xdb); rt2800_rfcsr_write(rt2x00dev, 46, 0xdd); rt2800_rfcsr_write(rt2x00dev, 47, 0x0d); rt2800_rfcsr_write(rt2x00dev, 48, 0x14); rt2800_rfcsr_write(rt2x00dev, 49, 0x00); rfcsr = 0x2d; if (tx0_ext_pa) rt2x00_set_field8(&rfcsr, RFCSR50_TX0_EXT_PA, 1); if (tx1_ext_pa) rt2x00_set_field8(&rfcsr, RFCSR50_TX1_EXT_PA, 1); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); rt2800_rfcsr_write(rt2x00dev, 51, (tx0_ext_pa ? 0x52 : 0x7f)); rt2800_rfcsr_write(rt2x00dev, 52, (tx0_ext_pa ? 0xc0 : 0x00)); rt2800_rfcsr_write(rt2x00dev, 53, (tx0_ext_pa ? 0xd2 : 0x52)); rt2800_rfcsr_write(rt2x00dev, 54, (tx0_ext_pa ? 0xc0 : 0x1b)); rt2800_rfcsr_write(rt2x00dev, 55, (tx1_ext_pa ? 0x52 : 0x7f)); rt2800_rfcsr_write(rt2x00dev, 56, (tx1_ext_pa ? 0xc0 : 0x00)); rt2800_rfcsr_write(rt2x00dev, 57, (tx0_ext_pa ? 0x49 : 0x52)); rt2800_rfcsr_write(rt2x00dev, 58, (tx1_ext_pa ? 0xc0 : 0x1b)); rt2800_rfcsr_write(rt2x00dev, 59, 0x00); rt2800_rfcsr_write(rt2x00dev, 60, 0x00); rt2800_rfcsr_write(rt2x00dev, 61, 0x00); rt2800_rfcsr_write(rt2x00dev, 62, 0x00); rt2800_rfcsr_write(rt2x00dev, 63, 0x00); rt2800_rx_filter_calibration(rt2x00dev); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt2800_init_rfcsr_3390(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 0, 0xa0); rt2800_rfcsr_write(rt2x00dev, 1, 0xe1); rt2800_rfcsr_write(rt2x00dev, 2, 0xf1); rt2800_rfcsr_write(rt2x00dev, 3, 0x62); rt2800_rfcsr_write(rt2x00dev, 4, 0x40); rt2800_rfcsr_write(rt2x00dev, 5, 0x8b); rt2800_rfcsr_write(rt2x00dev, 6, 0x42); rt2800_rfcsr_write(rt2x00dev, 7, 0x34); rt2800_rfcsr_write(rt2x00dev, 8, 0x00); rt2800_rfcsr_write(rt2x00dev, 9, 0xc0); rt2800_rfcsr_write(rt2x00dev, 10, 0x61); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); rt2800_rfcsr_write(rt2x00dev, 12, 0x3b); rt2800_rfcsr_write(rt2x00dev, 13, 0xe0); rt2800_rfcsr_write(rt2x00dev, 14, 0x90); rt2800_rfcsr_write(rt2x00dev, 15, 0x53); rt2800_rfcsr_write(rt2x00dev, 16, 0xe0); rt2800_rfcsr_write(rt2x00dev, 17, 0x94); rt2800_rfcsr_write(rt2x00dev, 18, 0x5c); rt2800_rfcsr_write(rt2x00dev, 19, 0x4a); rt2800_rfcsr_write(rt2x00dev, 20, 0xb2); rt2800_rfcsr_write(rt2x00dev, 21, 0xf6); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x14); rt2800_rfcsr_write(rt2x00dev, 24, 0x08); rt2800_rfcsr_write(rt2x00dev, 25, 0x3d); rt2800_rfcsr_write(rt2x00dev, 26, 0x85); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x41); rt2800_rfcsr_write(rt2x00dev, 29, 0x8f); rt2800_rfcsr_write(rt2x00dev, 30, 0x20); rt2800_rfcsr_write(rt2x00dev, 31, 0x0f); reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH); rt2x00_set_field32(®, GPIO_SWITCH_5, 0); rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); rt2800_rx_filter_calibration(rt2x00dev); if (rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; u32 reg; rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 0, 0x70); rt2800_rfcsr_write(rt2x00dev, 1, 0x81); rt2800_rfcsr_write(rt2x00dev, 2, 0xf1); rt2800_rfcsr_write(rt2x00dev, 3, 0x02); rt2800_rfcsr_write(rt2x00dev, 4, 0x4c); rt2800_rfcsr_write(rt2x00dev, 5, 0x05); rt2800_rfcsr_write(rt2x00dev, 6, 0x4a); rt2800_rfcsr_write(rt2x00dev, 7, 0xd8); rt2800_rfcsr_write(rt2x00dev, 9, 0xc3); rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); rt2800_rfcsr_write(rt2x00dev, 11, 0xb9); rt2800_rfcsr_write(rt2x00dev, 12, 0x70); rt2800_rfcsr_write(rt2x00dev, 13, 0x65); rt2800_rfcsr_write(rt2x00dev, 14, 0xa0); rt2800_rfcsr_write(rt2x00dev, 15, 0x53); rt2800_rfcsr_write(rt2x00dev, 16, 0x4c); rt2800_rfcsr_write(rt2x00dev, 17, 0x23); rt2800_rfcsr_write(rt2x00dev, 18, 0xac); rt2800_rfcsr_write(rt2x00dev, 19, 0x93); rt2800_rfcsr_write(rt2x00dev, 20, 0xb3); rt2800_rfcsr_write(rt2x00dev, 21, 0xd0); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x3c); rt2800_rfcsr_write(rt2x00dev, 24, 0x16); rt2800_rfcsr_write(rt2x00dev, 25, 0x15); rt2800_rfcsr_write(rt2x00dev, 26, 0x85); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x9b); rt2800_rfcsr_write(rt2x00dev, 30, 0x09); rt2800_rfcsr_write(rt2x00dev, 31, 0x10); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); msleep(1); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); rt2800_rx_filter_calibration(rt2x00dev); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt3593_post_bbp_init(struct rt2x00_dev *rt2x00dev) { u8 bbp; bool txbf_enabled = false; /* FIXME */ bbp = rt2800_bbp_read(rt2x00dev, 105); if (rt2x00dev->default_ant.rx_chain_num == 1) rt2x00_set_field8(&bbp, BBP105_MLD, 0); else rt2x00_set_field8(&bbp, BBP105_MLD, 1); rt2800_bbp_write(rt2x00dev, 105, bbp); rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 82, 0x82); rt2800_bbp_write(rt2x00dev, 106, 0x05); rt2800_bbp_write(rt2x00dev, 104, 0x92); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 148, 0xc8); rt2800_bbp_write(rt2x00dev, 47, 0x48); rt2800_bbp_write(rt2x00dev, 120, 0x50); if (txbf_enabled) rt2800_bbp_write(rt2x00dev, 163, 0xbd); else rt2800_bbp_write(rt2x00dev, 163, 0x9d); /* SNR mapping */ rt2800_bbp_write(rt2x00dev, 142, 6); rt2800_bbp_write(rt2x00dev, 143, 160); rt2800_bbp_write(rt2x00dev, 142, 7); rt2800_bbp_write(rt2x00dev, 143, 161); rt2800_bbp_write(rt2x00dev, 142, 8); rt2800_bbp_write(rt2x00dev, 143, 162); /* ADC/DAC control */ rt2800_bbp_write(rt2x00dev, 31, 0x08); /* RX AGC energy lower bound in log2 */ rt2800_bbp_write(rt2x00dev, 68, 0x0b); /* FIXME: BBP 105 owerwrite? */ rt2800_bbp_write(rt2x00dev, 105, 0x04); } static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u32 reg; u8 rfcsr; /* Disable GPIO #4 and #7 function for LAN PE control */ reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH); rt2x00_set_field32(®, GPIO_SWITCH_4, 0); rt2x00_set_field32(®, GPIO_SWITCH_7, 0); rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); /* Initialize default register values */ rt2800_rfcsr_write(rt2x00dev, 1, 0x03); rt2800_rfcsr_write(rt2x00dev, 3, 0x80); rt2800_rfcsr_write(rt2x00dev, 5, 0x00); rt2800_rfcsr_write(rt2x00dev, 6, 0x40); rt2800_rfcsr_write(rt2x00dev, 8, 0xf1); rt2800_rfcsr_write(rt2x00dev, 9, 0x02); rt2800_rfcsr_write(rt2x00dev, 10, 0xd3); rt2800_rfcsr_write(rt2x00dev, 11, 0x40); rt2800_rfcsr_write(rt2x00dev, 12, 0x4e); rt2800_rfcsr_write(rt2x00dev, 13, 0x12); rt2800_rfcsr_write(rt2x00dev, 18, 0x40); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x78); rt2800_rfcsr_write(rt2x00dev, 33, 0x3b); rt2800_rfcsr_write(rt2x00dev, 34, 0x3c); rt2800_rfcsr_write(rt2x00dev, 35, 0xe0); rt2800_rfcsr_write(rt2x00dev, 38, 0x86); rt2800_rfcsr_write(rt2x00dev, 39, 0x23); rt2800_rfcsr_write(rt2x00dev, 44, 0xd3); rt2800_rfcsr_write(rt2x00dev, 45, 0xbb); rt2800_rfcsr_write(rt2x00dev, 46, 0x60); rt2800_rfcsr_write(rt2x00dev, 49, 0x8e); rt2800_rfcsr_write(rt2x00dev, 50, 0x86); rt2800_rfcsr_write(rt2x00dev, 51, 0x75); rt2800_rfcsr_write(rt2x00dev, 52, 0x45); rt2800_rfcsr_write(rt2x00dev, 53, 0x18); rt2800_rfcsr_write(rt2x00dev, 54, 0x18); rt2800_rfcsr_write(rt2x00dev, 55, 0x18); rt2800_rfcsr_write(rt2x00dev, 56, 0xdb); rt2800_rfcsr_write(rt2x00dev, 57, 0x6e); /* Initiate calibration */ /* TODO: use rt2800_rf_init_calibration ? */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 2); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); rfcsr = rt2800_rfcsr_read(rt2x00dev, 18); rt2x00_set_field8(&rfcsr, RFCSR18_XO_TUNE_BYPASS, 1); rt2800_rfcsr_write(rt2x00dev, 18, rfcsr); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); usleep_range(1000, 1500); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); /* Set initial values for RX filter calibration */ drv_data->calibration_bw20 = 0x1f; drv_data->calibration_bw40 = 0x2f; /* Save BBP 25 & 26 values for later use in channel switching */ drv_data->bbp25 = rt2800_bbp_read(rt2x00dev, 25); drv_data->bbp26 = rt2800_bbp_read(rt2x00dev, 26); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3593(rt2x00dev); rt3593_post_bbp_init(rt2x00dev); /* TODO: enable stream mode support */ } static void rt2800_init_rfcsr_5350(struct rt2x00_dev *rt2x00dev) { rt2800_rfcsr_write(rt2x00dev, 0, 0xf0); rt2800_rfcsr_write(rt2x00dev, 1, 0x23); rt2800_rfcsr_write(rt2x00dev, 2, 0x50); rt2800_rfcsr_write(rt2x00dev, 3, 0x08); rt2800_rfcsr_write(rt2x00dev, 4, 0x49); rt2800_rfcsr_write(rt2x00dev, 5, 0x10); rt2800_rfcsr_write(rt2x00dev, 6, 0xe0); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 8, 0xf1); rt2800_rfcsr_write(rt2x00dev, 9, 0x02); rt2800_rfcsr_write(rt2x00dev, 10, 0x53); rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); rt2800_rfcsr_write(rt2x00dev, 12, 0x46); if (rt2800_clk_is_20mhz(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 13, 0x1f); else rt2800_rfcsr_write(rt2x00dev, 13, 0x9f); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0xc0); rt2800_rfcsr_write(rt2x00dev, 18, 0x03); rt2800_rfcsr_write(rt2x00dev, 19, 0x00); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x00); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 23, 0x00); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); rt2800_rfcsr_write(rt2x00dev, 25, 0x80); rt2800_rfcsr_write(rt2x00dev, 26, 0x00); rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0xd0); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x07); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x08); rt2800_rfcsr_write(rt2x00dev, 38, 0x85); rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); rt2800_rfcsr_write(rt2x00dev, 40, 0x0b); rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); rt2800_rfcsr_write(rt2x00dev, 42, 0xd5); rt2800_rfcsr_write(rt2x00dev, 43, 0x9b); rt2800_rfcsr_write(rt2x00dev, 44, 0x0c); rt2800_rfcsr_write(rt2x00dev, 45, 0xa6); rt2800_rfcsr_write(rt2x00dev, 46, 0x73); rt2800_rfcsr_write(rt2x00dev, 47, 0x00); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 49, 0x80); rt2800_rfcsr_write(rt2x00dev, 50, 0x00); rt2800_rfcsr_write(rt2x00dev, 51, 0x00); rt2800_rfcsr_write(rt2x00dev, 52, 0x38); rt2800_rfcsr_write(rt2x00dev, 53, 0x00); rt2800_rfcsr_write(rt2x00dev, 54, 0x38); rt2800_rfcsr_write(rt2x00dev, 55, 0x43); rt2800_rfcsr_write(rt2x00dev, 56, 0x82); rt2800_rfcsr_write(rt2x00dev, 57, 0x00); rt2800_rfcsr_write(rt2x00dev, 58, 0x39); rt2800_rfcsr_write(rt2x00dev, 59, 0x0b); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); rt2800_rfcsr_write(rt2x00dev, 61, 0xd1); rt2800_rfcsr_write(rt2x00dev, 62, 0x00); rt2800_rfcsr_write(rt2x00dev, 63, 0x00); } static void rt2800_init_rfcsr_3883(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; /* TODO: get the actual ECO value from the SoC */ const unsigned int eco = 5; rt2800_rf_init_calibration(rt2x00dev, 2); rt2800_rfcsr_write(rt2x00dev, 0, 0xe0); rt2800_rfcsr_write(rt2x00dev, 1, 0x03); rt2800_rfcsr_write(rt2x00dev, 2, 0x50); rt2800_rfcsr_write(rt2x00dev, 3, 0x20); rt2800_rfcsr_write(rt2x00dev, 4, 0x00); rt2800_rfcsr_write(rt2x00dev, 5, 0x00); rt2800_rfcsr_write(rt2x00dev, 6, 0x40); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 8, 0x5b); rt2800_rfcsr_write(rt2x00dev, 9, 0x08); rt2800_rfcsr_write(rt2x00dev, 10, 0xd3); rt2800_rfcsr_write(rt2x00dev, 11, 0x48); rt2800_rfcsr_write(rt2x00dev, 12, 0x1a); rt2800_rfcsr_write(rt2x00dev, 13, 0x12); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x00); /* RFCSR 17 will be initialized later based on the * frequency offset stored in the EEPROM */ rt2800_rfcsr_write(rt2x00dev, 18, 0x40); rt2800_rfcsr_write(rt2x00dev, 19, 0x00); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x00); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 23, 0xc0); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); rt2800_rfcsr_write(rt2x00dev, 25, 0x00); rt2800_rfcsr_write(rt2x00dev, 26, 0x00); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x00); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x20); rt2800_rfcsr_write(rt2x00dev, 35, 0x00); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x00); rt2800_rfcsr_write(rt2x00dev, 38, 0x86); rt2800_rfcsr_write(rt2x00dev, 39, 0x23); rt2800_rfcsr_write(rt2x00dev, 40, 0x00); rt2800_rfcsr_write(rt2x00dev, 41, 0x00); rt2800_rfcsr_write(rt2x00dev, 42, 0x00); rt2800_rfcsr_write(rt2x00dev, 43, 0x00); rt2800_rfcsr_write(rt2x00dev, 44, 0x93); rt2800_rfcsr_write(rt2x00dev, 45, 0xbb); rt2800_rfcsr_write(rt2x00dev, 46, 0x60); rt2800_rfcsr_write(rt2x00dev, 47, 0x00); rt2800_rfcsr_write(rt2x00dev, 48, 0x00); rt2800_rfcsr_write(rt2x00dev, 49, 0x8e); rt2800_rfcsr_write(rt2x00dev, 50, 0x86); rt2800_rfcsr_write(rt2x00dev, 51, 0x51); rt2800_rfcsr_write(rt2x00dev, 52, 0x05); rt2800_rfcsr_write(rt2x00dev, 53, 0x76); rt2800_rfcsr_write(rt2x00dev, 54, 0x76); rt2800_rfcsr_write(rt2x00dev, 55, 0x76); rt2800_rfcsr_write(rt2x00dev, 56, 0xdb); rt2800_rfcsr_write(rt2x00dev, 57, 0x3e); rt2800_rfcsr_write(rt2x00dev, 58, 0x00); rt2800_rfcsr_write(rt2x00dev, 59, 0x00); rt2800_rfcsr_write(rt2x00dev, 60, 0x00); rt2800_rfcsr_write(rt2x00dev, 61, 0x00); rt2800_rfcsr_write(rt2x00dev, 62, 0x00); rt2800_rfcsr_write(rt2x00dev, 63, 0x00); /* TODO: rx filter calibration? */ rt2800_bbp_write(rt2x00dev, 137, 0x0f); rt2800_bbp_write(rt2x00dev, 163, 0x9d); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 179, 0x02); rt2800_bbp_write(rt2x00dev, 180, 0x00); rt2800_bbp_write(rt2x00dev, 182, 0x40); rt2800_bbp_write(rt2x00dev, 180, 0x01); rt2800_bbp_write(rt2x00dev, 182, 0x9c); rt2800_bbp_write(rt2x00dev, 179, 0x00); rt2800_bbp_write(rt2x00dev, 142, 0x04); rt2800_bbp_write(rt2x00dev, 143, 0x3b); rt2800_bbp_write(rt2x00dev, 142, 0x06); rt2800_bbp_write(rt2x00dev, 143, 0xa0); rt2800_bbp_write(rt2x00dev, 142, 0x07); rt2800_bbp_write(rt2x00dev, 143, 0xa1); rt2800_bbp_write(rt2x00dev, 142, 0x08); rt2800_bbp_write(rt2x00dev, 143, 0xa2); rt2800_bbp_write(rt2x00dev, 148, 0xc8); if (eco == 5) { rt2800_rfcsr_write(rt2x00dev, 32, 0xd8); rt2800_rfcsr_write(rt2x00dev, 33, 0x32); } rfcsr = rt2800_rfcsr_read(rt2x00dev, 2); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_BP, 0); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rfcsr |= 0xc0; rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 22); rfcsr |= 0x20; rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 46); rfcsr |= 0x20; rt2800_rfcsr_write(rt2x00dev, 46, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 20); rfcsr &= ~0xee; rt2800_rfcsr_write(rt2x00dev, 20, rfcsr); } static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev) { rt2800_rf_init_calibration(rt2x00dev, 2); rt2800_rfcsr_write(rt2x00dev, 1, 0x0f); rt2800_rfcsr_write(rt2x00dev, 2, 0x80); rt2800_rfcsr_write(rt2x00dev, 3, 0x88); rt2800_rfcsr_write(rt2x00dev, 5, 0x10); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 6, 0xe0); else rt2800_rfcsr_write(rt2x00dev, 6, 0xa0); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 10, 0x53); rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); rt2800_rfcsr_write(rt2x00dev, 12, 0x46); rt2800_rfcsr_write(rt2x00dev, 13, 0x9f); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x00); rt2800_rfcsr_write(rt2x00dev, 18, 0x03); rt2800_rfcsr_write(rt2x00dev, 19, 0x00); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x00); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 23, 0x00); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); if (rt2x00_is_usb(rt2x00dev) && rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 25, 0x80); else rt2800_rfcsr_write(rt2x00dev, 25, 0xc0); rt2800_rfcsr_write(rt2x00dev, 26, 0x00); rt2800_rfcsr_write(rt2x00dev, 27, 0x09); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x10); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x07); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x08); rt2800_rfcsr_write(rt2x00dev, 38, 0x85); rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); rt2800_rfcsr_write(rt2x00dev, 40, 0x0b); rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); rt2800_rfcsr_write(rt2x00dev, 42, 0xd2); rt2800_rfcsr_write(rt2x00dev, 43, 0x9a); rt2800_rfcsr_write(rt2x00dev, 44, 0x0e); rt2800_rfcsr_write(rt2x00dev, 45, 0xa2); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 46, 0x73); else rt2800_rfcsr_write(rt2x00dev, 46, 0x7b); rt2800_rfcsr_write(rt2x00dev, 47, 0x00); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 49, 0x94); rt2800_rfcsr_write(rt2x00dev, 52, 0x38); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 53, 0x00); else rt2800_rfcsr_write(rt2x00dev, 53, 0x84); rt2800_rfcsr_write(rt2x00dev, 54, 0x78); rt2800_rfcsr_write(rt2x00dev, 55, 0x44); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 56, 0x42); else rt2800_rfcsr_write(rt2x00dev, 56, 0x22); rt2800_rfcsr_write(rt2x00dev, 57, 0x80); rt2800_rfcsr_write(rt2x00dev, 58, 0x7f); rt2800_rfcsr_write(rt2x00dev, 59, 0x8f); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { if (rt2x00_is_usb(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 61, 0xd1); else rt2800_rfcsr_write(rt2x00dev, 61, 0xd5); } else { if (rt2x00_is_usb(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 61, 0xdd); else rt2800_rfcsr_write(rt2x00dev, 61, 0xb5); } rt2800_rfcsr_write(rt2x00dev, 62, 0x00); rt2800_rfcsr_write(rt2x00dev, 63, 0x00); rt2800_normal_mode_setup_5xxx(rt2x00dev); rt2800_led_open_drain_enable(rt2x00dev); } static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev) { rt2800_rf_init_calibration(rt2x00dev, 2); rt2800_rfcsr_write(rt2x00dev, 1, 0x17); rt2800_rfcsr_write(rt2x00dev, 3, 0x88); rt2800_rfcsr_write(rt2x00dev, 5, 0x10); rt2800_rfcsr_write(rt2x00dev, 6, 0xe0); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 10, 0x53); rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); rt2800_rfcsr_write(rt2x00dev, 12, 0x46); rt2800_rfcsr_write(rt2x00dev, 13, 0x9f); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x00); rt2800_rfcsr_write(rt2x00dev, 18, 0x03); rt2800_rfcsr_write(rt2x00dev, 19, 0x4d); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x8d); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 23, 0x0b); rt2800_rfcsr_write(rt2x00dev, 24, 0x44); rt2800_rfcsr_write(rt2x00dev, 25, 0x80); rt2800_rfcsr_write(rt2x00dev, 26, 0x82); rt2800_rfcsr_write(rt2x00dev, 27, 0x09); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x10); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x20); rt2800_rfcsr_write(rt2x00dev, 33, 0xC0); rt2800_rfcsr_write(rt2x00dev, 34, 0x07); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x08); rt2800_rfcsr_write(rt2x00dev, 38, 0x89); rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); rt2800_rfcsr_write(rt2x00dev, 40, 0x0f); rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); rt2800_rfcsr_write(rt2x00dev, 42, 0xd5); rt2800_rfcsr_write(rt2x00dev, 43, 0x9b); rt2800_rfcsr_write(rt2x00dev, 44, 0x0e); rt2800_rfcsr_write(rt2x00dev, 45, 0xa2); rt2800_rfcsr_write(rt2x00dev, 46, 0x73); rt2800_rfcsr_write(rt2x00dev, 47, 0x0c); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 49, 0x94); rt2800_rfcsr_write(rt2x00dev, 50, 0x94); rt2800_rfcsr_write(rt2x00dev, 51, 0x3a); rt2800_rfcsr_write(rt2x00dev, 52, 0x48); rt2800_rfcsr_write(rt2x00dev, 53, 0x44); rt2800_rfcsr_write(rt2x00dev, 54, 0x38); rt2800_rfcsr_write(rt2x00dev, 55, 0x43); rt2800_rfcsr_write(rt2x00dev, 56, 0xa1); rt2800_rfcsr_write(rt2x00dev, 57, 0x00); rt2800_rfcsr_write(rt2x00dev, 58, 0x39); rt2800_rfcsr_write(rt2x00dev, 59, 0x07); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); rt2800_rfcsr_write(rt2x00dev, 61, 0x91); rt2800_rfcsr_write(rt2x00dev, 62, 0x39); rt2800_rfcsr_write(rt2x00dev, 63, 0x07); rt2800_normal_mode_setup_5xxx(rt2x00dev); rt2800_led_open_drain_enable(rt2x00dev); } static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev) { rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 1, 0x3F); rt2800_rfcsr_write(rt2x00dev, 3, 0x08); rt2800_rfcsr_write(rt2x00dev, 5, 0x10); rt2800_rfcsr_write(rt2x00dev, 6, 0xE4); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x00); rt2800_rfcsr_write(rt2x00dev, 18, 0x03); rt2800_rfcsr_write(rt2x00dev, 19, 0x4D); rt2800_rfcsr_write(rt2x00dev, 20, 0x10); rt2800_rfcsr_write(rt2x00dev, 21, 0x8D); rt2800_rfcsr_write(rt2x00dev, 26, 0x82); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x10); rt2800_rfcsr_write(rt2x00dev, 33, 0xC0); rt2800_rfcsr_write(rt2x00dev, 34, 0x07); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 47, 0x0C); rt2800_rfcsr_write(rt2x00dev, 53, 0x22); rt2800_rfcsr_write(rt2x00dev, 63, 0x07); rt2800_rfcsr_write(rt2x00dev, 2, 0x80); msleep(1); rt2800_freq_cal_mode1(rt2x00dev); /* Enable DC filter */ if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_normal_mode_setup_5xxx(rt2x00dev); if (rt2x00_rt_rev_lt(rt2x00dev, RT5592, REV_RT5592C)) rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_led_open_drain_enable(rt2x00dev); } static void rt2800_rf_self_txdc_cal(struct rt2x00_dev *rt2x00dev) { u8 rfb5r1_org, rfb7r1_org, rfvalue; u32 mac0518, mac051c, mac0528, mac052c; u8 i; mac0518 = rt2800_register_read(rt2x00dev, RF_CONTROL0); mac051c = rt2800_register_read(rt2x00dev, RF_BYPASS0); mac0528 = rt2800_register_read(rt2x00dev, RF_CONTROL2); mac052c = rt2800_register_read(rt2x00dev, RF_BYPASS2); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0); rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0xC); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x3306); rt2800_register_write(rt2x00dev, RF_CONTROL2, 0x3330); rt2800_register_write(rt2x00dev, RF_BYPASS2, 0xfffff); rfb5r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); rfb7r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1); rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, 0x4); for (i = 0; i < 100; ++i) { usleep_range(50, 100); rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); if ((rfvalue & 0x04) != 0x4) break; } rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, rfb5r1_org); rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, 0x4); for (i = 0; i < 100; ++i) { usleep_range(50, 100); rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1); if ((rfvalue & 0x04) != 0x4) break; } rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, rfb7r1_org); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0); rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0); rt2800_register_write(rt2x00dev, RF_CONTROL0, mac0518); rt2800_register_write(rt2x00dev, RF_BYPASS0, mac051c); rt2800_register_write(rt2x00dev, RF_CONTROL2, mac0528); rt2800_register_write(rt2x00dev, RF_BYPASS2, mac052c); } static int rt2800_calcrcalibrationcode(struct rt2x00_dev *rt2x00dev, int d1, int d2) { int calcode = ((d2 - d1) * 1000) / 43; if ((calcode % 10) >= 5) calcode += 10; calcode = (calcode / 10); return calcode; } static void rt2800_r_calibration(struct rt2x00_dev *rt2x00dev) { u32 savemacsysctrl; u8 saverfb0r1, saverfb0r34, saverfb0r35; u8 saverfb5r4, saverfb5r17, saverfb5r18; u8 saverfb5r19, saverfb5r20; u8 savebbpr22, savebbpr47, savebbpr49; u8 bytevalue = 0; int rcalcode; u8 r_cal_code = 0; s8 d1 = 0, d2 = 0; u8 rfvalue; u32 MAC_RF_BYPASS0, MAC_RF_CONTROL0, MAC_PWR_PIN_CFG; u32 maccfg; saverfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); saverfb0r34 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 34); saverfb0r35 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35); saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); saverfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); saverfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); saverfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); saverfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); savebbpr22 = rt2800_bbp_read(rt2x00dev, 22); savebbpr47 = rt2800_bbp_read(rt2x00dev, 47); savebbpr49 = rt2800_bbp_read(rt2x00dev, 49); savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); MAC_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0); MAC_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0); MAC_PWR_PIN_CFG = rt2800_register_read(rt2x00dev, PWR_PIN_CFG); maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); maccfg &= (~0x04); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX))) rt2x00_warn(rt2x00dev, "Wait MAC Tx Status to MAX !!!\n"); maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); maccfg &= (~0x08); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_RX))) rt2x00_warn(rt2x00dev, "Wait MAC Rx Status to MAX !!!\n"); rfvalue = (MAC_RF_BYPASS0 | 0x3004); rt2800_register_write(rt2x00dev, RF_BYPASS0, rfvalue); rfvalue = (MAC_RF_CONTROL0 | (~0x3002)); rt2800_register_write(rt2x00dev, RF_CONTROL0, rfvalue); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, 0x27); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, 0x80); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0x83); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x20); rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, 0x13); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00); rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x1); rt2800_bbp_write(rt2x00dev, 47, 0x04); rt2800_bbp_write(rt2x00dev, 22, 0x80); usleep_range(100, 200); bytevalue = rt2800_bbp_read(rt2x00dev, 49); if (bytevalue > 128) d1 = bytevalue - 256; else d1 = (s8)bytevalue; rt2800_bbp_write(rt2x00dev, 22, 0x0); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x01); rt2800_bbp_write(rt2x00dev, 22, 0x80); usleep_range(100, 200); bytevalue = rt2800_bbp_read(rt2x00dev, 49); if (bytevalue > 128) d2 = bytevalue - 256; else d2 = (s8)bytevalue; rt2800_bbp_write(rt2x00dev, 22, 0x0); rcalcode = rt2800_calcrcalibrationcode(rt2x00dev, d1, d2); if (rcalcode < 0) r_cal_code = 256 + rcalcode; else r_cal_code = (u8)rcalcode; rt2800_rfcsr_write_bank(rt2x00dev, 0, 7, r_cal_code); rt2800_bbp_write(rt2x00dev, 22, 0x0); bytevalue = rt2800_bbp_read(rt2x00dev, 21); bytevalue |= 0x1; rt2800_bbp_write(rt2x00dev, 21, bytevalue); bytevalue = rt2800_bbp_read(rt2x00dev, 21); bytevalue &= (~0x1); rt2800_bbp_write(rt2x00dev, 21, bytevalue); rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, saverfb0r1); rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, saverfb0r34); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, saverfb0r35); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, saverfb5r17); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, saverfb5r18); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, saverfb5r19); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, saverfb5r20); rt2800_bbp_write(rt2x00dev, 22, savebbpr22); rt2800_bbp_write(rt2x00dev, 47, savebbpr47); rt2800_bbp_write(rt2x00dev, 49, savebbpr49); rt2800_register_write(rt2x00dev, RF_BYPASS0, MAC_RF_BYPASS0); rt2800_register_write(rt2x00dev, RF_CONTROL0, MAC_RF_CONTROL0); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); rt2800_register_write(rt2x00dev, PWR_PIN_CFG, MAC_PWR_PIN_CFG); } static void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev) { u8 bbpreg = 0; u32 macvalue = 0; u8 saverfb0r2, saverfb5r4, saverfb7r4, rfvalue; int i; saverfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); rfvalue = saverfb0r2; rfvalue |= 0x03; rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfvalue); rt2800_bbp_write(rt2x00dev, 158, 141); bbpreg = rt2800_bbp_read(rt2x00dev, 159); bbpreg |= 0x10; rt2800_bbp_write(rt2x00dev, 159, bbpreg); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x8); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX))) rt2x00_warn(rt2x00dev, "RF TX busy in RX RXDCOC calibration\n"); saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); saverfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4); saverfb5r4 = saverfb5r4 & (~0x40); saverfb7r4 = saverfb7r4 & (~0x40); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x64); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4); rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, saverfb7r4); rt2800_bbp_write(rt2x00dev, 158, 140); bbpreg = rt2800_bbp_read(rt2x00dev, 159); bbpreg = bbpreg & (~0x40); rt2800_bbp_write(rt2x00dev, 159, bbpreg); bbpreg |= 0x48; rt2800_bbp_write(rt2x00dev, 159, bbpreg); for (i = 0; i < 10000; i++) { bbpreg = rt2800_bbp_read(rt2x00dev, 159); if ((bbpreg & 0x40) == 0) break; usleep_range(50, 100); } bbpreg = rt2800_bbp_read(rt2x00dev, 159); bbpreg = bbpreg & (~0x40); rt2800_bbp_write(rt2x00dev, 159, bbpreg); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); rt2800_bbp_write(rt2x00dev, 158, 141); bbpreg = rt2800_bbp_read(rt2x00dev, 159); bbpreg &= (~0x10); rt2800_bbp_write(rt2x00dev, 159, bbpreg); rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2); } static u32 rt2800_do_sqrt_accumulation(u32 si) { u32 root, root_pre, bit; s8 i; bit = 1 << 15; root = 0; for (i = 15; i >= 0; i = i - 1) { root_pre = root + bit; if ((root_pre * root_pre) <= si) root = root_pre; bit = bit >> 1; } return root; } static void rt2800_rxiq_calibration(struct rt2x00_dev *rt2x00dev) { u8 rfb0r1, rfb0r2, rfb0r42; u8 rfb4r0, rfb4r19; u8 rfb5r3, rfb5r4, rfb5r17, rfb5r18, rfb5r19, rfb5r20; u8 rfb6r0, rfb6r19; u8 rfb7r3, rfb7r4, rfb7r17, rfb7r18, rfb7r19, rfb7r20; u8 bbp1, bbp4; u8 bbpr241, bbpr242; u32 i; u8 ch_idx; u8 bbpval; u8 rfval, vga_idx = 0; int mi = 0, mq = 0, si = 0, sq = 0, riq = 0; int sigma_i, sigma_q, r_iq, g_rx; int g_imb; int ph_rx; u32 savemacsysctrl = 0; u32 orig_RF_CONTROL0 = 0; u32 orig_RF_BYPASS0 = 0; u32 orig_RF_CONTROL1 = 0; u32 orig_RF_BYPASS1 = 0; u32 orig_RF_CONTROL3 = 0; u32 orig_RF_BYPASS3 = 0; u32 bbpval1 = 0; static const u8 rf_vga_table[] = {0x20, 0x21, 0x22, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f}; savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); orig_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0); orig_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0); orig_RF_CONTROL1 = rt2800_register_read(rt2x00dev, RF_CONTROL1); orig_RF_BYPASS1 = rt2800_register_read(rt2x00dev, RF_BYPASS1); orig_RF_CONTROL3 = rt2800_register_read(rt2x00dev, RF_CONTROL3); orig_RF_BYPASS3 = rt2800_register_read(rt2x00dev, RF_BYPASS3); bbp1 = rt2800_bbp_read(rt2x00dev, 1); bbp4 = rt2800_bbp_read(rt2x00dev, 4); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x0); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY))) rt2x00_warn(rt2x00dev, "Timeout waiting for MAC status in RXIQ calibration\n"); bbpval = bbp4 & (~0x18); bbpval = bbp4 | 0x00; rt2800_bbp_write(rt2x00dev, 4, bbpval); bbpval = rt2800_bbp_read(rt2x00dev, 21); bbpval = bbpval | 1; rt2800_bbp_write(rt2x00dev, 21, bbpval); bbpval = bbpval & 0xfe; rt2800_bbp_write(rt2x00dev, 21, bbpval); rt2800_register_write(rt2x00dev, RF_CONTROL1, 0x00000202); rt2800_register_write(rt2x00dev, RF_BYPASS1, 0x00000303); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0101); else rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0000); rt2800_register_write(rt2x00dev, RF_BYPASS3, 0xf1f1); rfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); rfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); rfb0r42 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); rfb4r0 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 0); rfb4r19 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 19); rfb5r3 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); rfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); rfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); rfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); rfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); rfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); rfb6r0 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 0); rfb6r19 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 19); rfb7r3 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 3); rfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4); rfb7r17 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 17); rfb7r18 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 18); rfb7r19 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 19); rfb7r20 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 20); rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x87); rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0x27); rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x38); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x38); rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x80); rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0xC1); rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x60); rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00); rt2800_bbp_write(rt2x00dev, 23, 0x0); rt2800_bbp_write(rt2x00dev, 24, 0x0); rt2800_bbp_dcoc_write(rt2x00dev, 5, 0x0); bbpr241 = rt2800_bbp_read(rt2x00dev, 241); bbpr242 = rt2800_bbp_read(rt2x00dev, 242); rt2800_bbp_write(rt2x00dev, 241, 0x10); rt2800_bbp_write(rt2x00dev, 242, 0x84); rt2800_bbp_write(rt2x00dev, 244, 0x31); bbpval = rt2800_bbp_dcoc_read(rt2x00dev, 3); bbpval = bbpval & (~0x7); rt2800_bbp_dcoc_write(rt2x00dev, 3, bbpval); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); udelay(1); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006); usleep_range(1, 200); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003376); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006); udelay(1); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_bbp_write(rt2x00dev, 23, 0x06); rt2800_bbp_write(rt2x00dev, 24, 0x06); } else { rt2800_bbp_write(rt2x00dev, 23, 0x02); rt2800_bbp_write(rt2x00dev, 24, 0x02); } for (ch_idx = 0; ch_idx < 2; ch_idx = ch_idx + 1) { if (ch_idx == 0) { rfval = rfb0r1 & (~0x3); rfval = rfb0r1 | 0x1; rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval); rfval = rfb0r2 & (~0x33); rfval = rfb0r2 | 0x11; rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval); rfval = rfb0r42 & (~0x50); rfval = rfb0r42 | 0x10; rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006); udelay(1); bbpval = bbp1 & (~0x18); bbpval = bbpval | 0x00; rt2800_bbp_write(rt2x00dev, 1, bbpval); rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x00); } else { rfval = rfb0r1 & (~0x3); rfval = rfb0r1 | 0x2; rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval); rfval = rfb0r2 & (~0x33); rfval = rfb0r2 | 0x22; rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval); rfval = rfb0r42 & (~0x50); rfval = rfb0r42 | 0x40; rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002006); udelay(1); bbpval = bbp1 & (~0x18); bbpval = bbpval | 0x08; rt2800_bbp_write(rt2x00dev, 1, bbpval); rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x01); } usleep_range(500, 1500); vga_idx = 0; while (vga_idx < 11) { rt2800_rfcsr_write_dccal(rt2x00dev, 3, rf_vga_table[vga_idx]); rt2800_rfcsr_write_dccal(rt2x00dev, 4, rf_vga_table[vga_idx]); rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x93); for (i = 0; i < 10000; i++) { bbpval = rt2800_bbp_read(rt2x00dev, 159); if ((bbpval & 0xff) == 0x93) usleep_range(50, 100); else break; } if ((bbpval & 0xff) == 0x93) { rt2x00_warn(rt2x00dev, "Fatal Error: Calibration doesn't finish"); goto restore_value; } for (i = 0; i < 5; i++) { u32 bbptemp = 0; u8 value = 0; int result = 0; rt2800_bbp_write(rt2x00dev, 158, 0x1e); rt2800_bbp_write(rt2x00dev, 159, i); rt2800_bbp_write(rt2x00dev, 158, 0x22); value = rt2800_bbp_read(rt2x00dev, 159); bbptemp = bbptemp + (value << 24); rt2800_bbp_write(rt2x00dev, 158, 0x21); value = rt2800_bbp_read(rt2x00dev, 159); bbptemp = bbptemp + (value << 16); rt2800_bbp_write(rt2x00dev, 158, 0x20); value = rt2800_bbp_read(rt2x00dev, 159); bbptemp = bbptemp + (value << 8); rt2800_bbp_write(rt2x00dev, 158, 0x1f); value = rt2800_bbp_read(rt2x00dev, 159); bbptemp = bbptemp + value; if (i < 2 && (bbptemp & 0x800000)) result = (bbptemp & 0xffffff) - 0x1000000; else result = bbptemp; if (i == 0) mi = result / 4096; else if (i == 1) mq = result / 4096; else if (i == 2) si = bbptemp / 4096; else if (i == 3) sq = bbptemp / 4096; else riq = result / 4096; } bbpval1 = si - mi * mi; rt2x00_dbg(rt2x00dev, "RXIQ si=%d, sq=%d, riq=%d, bbpval %d, vga_idx %d", si, sq, riq, bbpval1, vga_idx); if (bbpval1 >= (100 * 100)) break; if (bbpval1 <= 100) vga_idx = vga_idx + 9; else if (bbpval1 <= 158) vga_idx = vga_idx + 8; else if (bbpval1 <= 251) vga_idx = vga_idx + 7; else if (bbpval1 <= 398) vga_idx = vga_idx + 6; else if (bbpval1 <= 630) vga_idx = vga_idx + 5; else if (bbpval1 <= 1000) vga_idx = vga_idx + 4; else if (bbpval1 <= 1584) vga_idx = vga_idx + 3; else if (bbpval1 <= 2511) vga_idx = vga_idx + 2; else vga_idx = vga_idx + 1; } sigma_i = rt2800_do_sqrt_accumulation(100 * (si - mi * mi)); sigma_q = rt2800_do_sqrt_accumulation(100 * (sq - mq * mq)); r_iq = 10 * (riq - (mi * mq)); rt2x00_dbg(rt2x00dev, "Sigma_i=%d, Sigma_q=%d, R_iq=%d", sigma_i, sigma_q, r_iq); if (sigma_i <= 1400 && sigma_i >= 1000 && (sigma_i - sigma_q) <= 112 && (sigma_i - sigma_q) >= -112 && mi <= 32 && mi >= -32 && mq <= 32 && mq >= -32) { r_iq = 10 * (riq - (mi * mq)); rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n", sigma_i, sigma_q, r_iq); g_rx = (1000 * sigma_q) / sigma_i; g_imb = ((-2) * 128 * (1000 - g_rx)) / (1000 + g_rx); ph_rx = (r_iq * 2292) / (sigma_i * sigma_q); if (ph_rx > 20 || ph_rx < -20) { ph_rx = 0; rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL"); } if (g_imb > 12 || g_imb < -12) { g_imb = 0; rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL"); } } else { g_imb = 0; ph_rx = 0; rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n", sigma_i, sigma_q, r_iq); rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL"); } if (ch_idx == 0) { rt2800_bbp_write(rt2x00dev, 158, 0x37); rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f); rt2800_bbp_write(rt2x00dev, 158, 0x35); rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f); } else { rt2800_bbp_write(rt2x00dev, 158, 0x55); rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f); rt2800_bbp_write(rt2x00dev, 158, 0x53); rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f); } } restore_value: rt2800_bbp_write(rt2x00dev, 158, 0x3); bbpval = rt2800_bbp_read(rt2x00dev, 159); rt2800_bbp_write(rt2x00dev, 159, (bbpval | 0x07)); rt2800_bbp_write(rt2x00dev, 158, 0x00); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 1, bbp1); rt2800_bbp_write(rt2x00dev, 4, bbp4); rt2800_bbp_write(rt2x00dev, 241, bbpr241); rt2800_bbp_write(rt2x00dev, 242, bbpr242); rt2800_bbp_write(rt2x00dev, 244, 0x00); bbpval = rt2800_bbp_read(rt2x00dev, 21); bbpval |= 0x1; rt2800_bbp_write(rt2x00dev, 21, bbpval); usleep_range(10, 200); bbpval &= 0xfe; rt2800_bbp_write(rt2x00dev, 21, bbpval); rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfb0r1); rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfb0r2); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfb0r42); rt2800_rfcsr_write_bank(rt2x00dev, 4, 0, rfb4r0); rt2800_rfcsr_write_bank(rt2x00dev, 4, 19, rfb4r19); rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rfb5r3); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rfb5r4); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, rfb5r17); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, rfb5r18); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, rfb5r19); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, rfb5r20); rt2800_rfcsr_write_bank(rt2x00dev, 6, 0, rfb6r0); rt2800_rfcsr_write_bank(rt2x00dev, 6, 19, rfb6r19); rt2800_rfcsr_write_bank(rt2x00dev, 7, 3, rfb7r3); rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, rfb7r4); rt2800_rfcsr_write_bank(rt2x00dev, 7, 17, rfb7r17); rt2800_rfcsr_write_bank(rt2x00dev, 7, 18, rfb7r18); rt2800_rfcsr_write_bank(rt2x00dev, 7, 19, rfb7r19); rt2800_rfcsr_write_bank(rt2x00dev, 7, 20, rfb7r20); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006); udelay(1); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); udelay(1); rt2800_register_write(rt2x00dev, RF_CONTROL0, orig_RF_CONTROL0); udelay(1); rt2800_register_write(rt2x00dev, RF_BYPASS0, orig_RF_BYPASS0); rt2800_register_write(rt2x00dev, RF_CONTROL1, orig_RF_CONTROL1); rt2800_register_write(rt2x00dev, RF_BYPASS1, orig_RF_BYPASS1); rt2800_register_write(rt2x00dev, RF_CONTROL3, orig_RF_CONTROL3); rt2800_register_write(rt2x00dev, RF_BYPASS3, orig_RF_BYPASS3); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); } static void rt2800_rf_configstore(struct rt2x00_dev *rt2x00dev, struct rf_reg_pair rf_reg_record[][13], u8 chain) { u8 rfvalue = 0; if (chain == CHAIN_0) { rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); rf_reg_record[CHAIN_0][0].bank = 0; rf_reg_record[CHAIN_0][0].reg = 1; rf_reg_record[CHAIN_0][0].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); rf_reg_record[CHAIN_0][1].bank = 0; rf_reg_record[CHAIN_0][1].reg = 2; rf_reg_record[CHAIN_0][1].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35); rf_reg_record[CHAIN_0][2].bank = 0; rf_reg_record[CHAIN_0][2].reg = 35; rf_reg_record[CHAIN_0][2].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); rf_reg_record[CHAIN_0][3].bank = 0; rf_reg_record[CHAIN_0][3].reg = 42; rf_reg_record[CHAIN_0][3].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 0); rf_reg_record[CHAIN_0][4].bank = 4; rf_reg_record[CHAIN_0][4].reg = 0; rf_reg_record[CHAIN_0][4].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 2); rf_reg_record[CHAIN_0][5].bank = 4; rf_reg_record[CHAIN_0][5].reg = 2; rf_reg_record[CHAIN_0][5].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 34); rf_reg_record[CHAIN_0][6].bank = 4; rf_reg_record[CHAIN_0][6].reg = 34; rf_reg_record[CHAIN_0][6].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); rf_reg_record[CHAIN_0][7].bank = 5; rf_reg_record[CHAIN_0][7].reg = 3; rf_reg_record[CHAIN_0][7].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); rf_reg_record[CHAIN_0][8].bank = 5; rf_reg_record[CHAIN_0][8].reg = 4; rf_reg_record[CHAIN_0][8].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); rf_reg_record[CHAIN_0][9].bank = 5; rf_reg_record[CHAIN_0][9].reg = 17; rf_reg_record[CHAIN_0][9].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); rf_reg_record[CHAIN_0][10].bank = 5; rf_reg_record[CHAIN_0][10].reg = 18; rf_reg_record[CHAIN_0][10].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); rf_reg_record[CHAIN_0][11].bank = 5; rf_reg_record[CHAIN_0][11].reg = 19; rf_reg_record[CHAIN_0][11].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); rf_reg_record[CHAIN_0][12].bank = 5; rf_reg_record[CHAIN_0][12].reg = 20; rf_reg_record[CHAIN_0][12].value = rfvalue; } else if (chain == CHAIN_1) { rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); rf_reg_record[CHAIN_1][0].bank = 0; rf_reg_record[CHAIN_1][0].reg = 1; rf_reg_record[CHAIN_1][0].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); rf_reg_record[CHAIN_1][1].bank = 0; rf_reg_record[CHAIN_1][1].reg = 2; rf_reg_record[CHAIN_1][1].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35); rf_reg_record[CHAIN_1][2].bank = 0; rf_reg_record[CHAIN_1][2].reg = 35; rf_reg_record[CHAIN_1][2].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); rf_reg_record[CHAIN_1][3].bank = 0; rf_reg_record[CHAIN_1][3].reg = 42; rf_reg_record[CHAIN_1][3].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 0); rf_reg_record[CHAIN_1][4].bank = 6; rf_reg_record[CHAIN_1][4].reg = 0; rf_reg_record[CHAIN_1][4].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 2); rf_reg_record[CHAIN_1][5].bank = 6; rf_reg_record[CHAIN_1][5].reg = 2; rf_reg_record[CHAIN_1][5].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 34); rf_reg_record[CHAIN_1][6].bank = 6; rf_reg_record[CHAIN_1][6].reg = 34; rf_reg_record[CHAIN_1][6].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 3); rf_reg_record[CHAIN_1][7].bank = 7; rf_reg_record[CHAIN_1][7].reg = 3; rf_reg_record[CHAIN_1][7].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4); rf_reg_record[CHAIN_1][8].bank = 7; rf_reg_record[CHAIN_1][8].reg = 4; rf_reg_record[CHAIN_1][8].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 17); rf_reg_record[CHAIN_1][9].bank = 7; rf_reg_record[CHAIN_1][9].reg = 17; rf_reg_record[CHAIN_1][9].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 18); rf_reg_record[CHAIN_1][10].bank = 7; rf_reg_record[CHAIN_1][10].reg = 18; rf_reg_record[CHAIN_1][10].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 19); rf_reg_record[CHAIN_1][11].bank = 7; rf_reg_record[CHAIN_1][11].reg = 19; rf_reg_record[CHAIN_1][11].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 20); rf_reg_record[CHAIN_1][12].bank = 7; rf_reg_record[CHAIN_1][12].reg = 20; rf_reg_record[CHAIN_1][12].value = rfvalue; } else { rt2x00_warn(rt2x00dev, "Unknown chain = %u\n", chain); } } static void rt2800_rf_configrecover(struct rt2x00_dev *rt2x00dev, struct rf_reg_pair rf_record[][13]) { u8 chain_index = 0, record_index = 0; u8 bank = 0, rf_register = 0, value = 0; for (chain_index = 0; chain_index < 2; chain_index++) { for (record_index = 0; record_index < 13; record_index++) { bank = rf_record[chain_index][record_index].bank; rf_register = rf_record[chain_index][record_index].reg; value = rf_record[chain_index][record_index].value; rt2800_rfcsr_write_bank(rt2x00dev, bank, rf_register, value); rt2x00_dbg(rt2x00dev, "bank: %d, rf_register: %d, value: %x\n", bank, rf_register, value); } } } static void rt2800_setbbptonegenerator(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 158, 0xAA); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 158, 0xAB); rt2800_bbp_write(rt2x00dev, 159, 0x0A); rt2800_bbp_write(rt2x00dev, 158, 0xAC); rt2800_bbp_write(rt2x00dev, 159, 0x3F); rt2800_bbp_write(rt2x00dev, 158, 0xAD); rt2800_bbp_write(rt2x00dev, 159, 0x3F); rt2800_bbp_write(rt2x00dev, 244, 0x40); } static u32 rt2800_do_fft_accumulation(struct rt2x00_dev *rt2x00dev, u8 tidx, u8 read_neg) { u32 macvalue = 0; int fftout_i = 0, fftout_q = 0; u32 ptmp = 0, pint = 0; u8 bbp = 0; u8 tidxi; rt2800_bbp_write(rt2x00dev, 158, 0x00); rt2800_bbp_write(rt2x00dev, 159, 0x9b); bbp = 0x9b; while (bbp == 0x9b) { usleep_range(10, 50); bbp = rt2800_bbp_read(rt2x00dev, 159); bbp = bbp & 0xff; } rt2800_bbp_write(rt2x00dev, 158, 0xba); rt2800_bbp_write(rt2x00dev, 159, tidx); rt2800_bbp_write(rt2x00dev, 159, tidx); rt2800_bbp_write(rt2x00dev, 159, tidx); macvalue = rt2800_register_read(rt2x00dev, 0x057C); fftout_i = (macvalue >> 16); fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i; fftout_q = (macvalue & 0xffff); fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q; ptmp = (fftout_i * fftout_i); ptmp = ptmp + (fftout_q * fftout_q); pint = ptmp; rt2x00_dbg(rt2x00dev, "I = %d, Q = %d, power = %x\n", fftout_i, fftout_q, pint); if (read_neg) { pint = pint >> 1; tidxi = 0x40 - tidx; tidxi = tidxi & 0x3f; rt2800_bbp_write(rt2x00dev, 158, 0xba); rt2800_bbp_write(rt2x00dev, 159, tidxi); rt2800_bbp_write(rt2x00dev, 159, tidxi); rt2800_bbp_write(rt2x00dev, 159, tidxi); macvalue = rt2800_register_read(rt2x00dev, 0x057C); fftout_i = (macvalue >> 16); fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i; fftout_q = (macvalue & 0xffff); fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q; ptmp = (fftout_i * fftout_i); ptmp = ptmp + (fftout_q * fftout_q); ptmp = ptmp >> 1; pint = pint + ptmp; } return pint; } static u32 rt2800_read_fft_accumulation(struct rt2x00_dev *rt2x00dev, u8 tidx) { u32 macvalue = 0; int fftout_i = 0, fftout_q = 0; u32 ptmp = 0, pint = 0; rt2800_bbp_write(rt2x00dev, 158, 0xBA); rt2800_bbp_write(rt2x00dev, 159, tidx); rt2800_bbp_write(rt2x00dev, 159, tidx); rt2800_bbp_write(rt2x00dev, 159, tidx); macvalue = rt2800_register_read(rt2x00dev, 0x057C); fftout_i = (macvalue >> 16); fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i; fftout_q = (macvalue & 0xffff); fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q; ptmp = (fftout_i * fftout_i); ptmp = ptmp + (fftout_q * fftout_q); pint = ptmp; return pint; } static void rt2800_write_dc(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 alc, u8 iorq, u8 dc) { u8 bbp = 0; rt2800_bbp_write(rt2x00dev, 158, 0xb0); bbp = alc | 0x80; rt2800_bbp_write(rt2x00dev, 159, bbp); if (ch_idx == 0) bbp = (iorq == 0) ? 0xb1 : 0xb2; else bbp = (iorq == 0) ? 0xb8 : 0xb9; rt2800_bbp_write(rt2x00dev, 158, bbp); bbp = dc; rt2800_bbp_write(rt2x00dev, 159, bbp); } static void rt2800_loft_search(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 alc_idx, u8 dc_result[][RF_ALC_NUM][2]) { u32 p0 = 0, p1 = 0, pf = 0; s8 idx0 = 0, idx1 = 0; u8 idxf[] = {0x00, 0x00}; u8 ibit = 0x20; u8 iorq; s8 bidx; rt2800_bbp_write(rt2x00dev, 158, 0xb0); rt2800_bbp_write(rt2x00dev, 159, 0x80); for (bidx = 5; bidx >= 0; bidx--) { for (iorq = 0; iorq <= 1; iorq++) { if (idxf[iorq] == 0x20) { idx0 = 0x20; p0 = pf; } else { idx0 = idxf[iorq] - ibit; idx0 = idx0 & 0x3F; rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idx0); p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); } idx1 = idxf[iorq] + (bidx == 5 ? 0 : ibit); idx1 = idx1 & 0x3F; rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idx1); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); rt2x00_dbg(rt2x00dev, "alc=%u, IorQ=%u, idx_final=%2x\n", alc_idx, iorq, idxf[iorq]); rt2x00_dbg(rt2x00dev, "p0=%x, p1=%x, pf=%x, idx_0=%x, idx_1=%x, ibit=%x\n", p0, p1, pf, idx0, idx1, ibit); if (bidx != 5 && pf <= p0 && pf < p1) { idxf[iorq] = idxf[iorq]; } else if (p0 < p1) { pf = p0; idxf[iorq] = idx0 & 0x3F; } else { pf = p1; idxf[iorq] = idx1 & 0x3F; } rt2x00_dbg(rt2x00dev, "IorQ=%u, idx_final[%u]:%x, pf:%8x\n", iorq, iorq, idxf[iorq], pf); rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idxf[iorq]); } ibit = ibit >> 1; } dc_result[ch_idx][alc_idx][0] = idxf[0]; dc_result[ch_idx][alc_idx][1] = idxf[1]; } static void rt2800_iq_search(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 *ges, u8 *pes) { u32 p0 = 0, p1 = 0, pf = 0; s8 perr = 0, gerr = 0, iq_err = 0; s8 pef = 0, gef = 0; s8 psta, pend; s8 gsta, gend; u8 ibit = 0x20; u8 first_search = 0x00, touch_neg_max = 0x00; s8 idx0 = 0, idx1 = 0; u8 gop; u8 bbp = 0; s8 bidx; for (bidx = 5; bidx >= 1; bidx--) { for (gop = 0; gop < 2; gop++) { if (gop == 1 || bidx < 4) { if (gop == 0) iq_err = gerr; else iq_err = perr; first_search = (gop == 0) ? (bidx == 3) : (bidx == 5); touch_neg_max = (gop) ? ((iq_err & 0x0F) == 0x08) : ((iq_err & 0x3F) == 0x20); if (touch_neg_max) { p0 = pf; idx0 = iq_err; } else { idx0 = iq_err - ibit; bbp = (ch_idx == 0) ? ((gop == 0) ? 0x28 : 0x29) : ((gop == 0) ? 0x46 : 0x47); rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, idx0); p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1); } idx1 = iq_err + (first_search ? 0 : ibit); idx1 = (gop == 0) ? (idx1 & 0x0F) : (idx1 & 0x3F); bbp = (ch_idx == 0) ? (gop == 0) ? 0x28 : 0x29 : (gop == 0) ? 0x46 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, idx1); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1); rt2x00_dbg(rt2x00dev, "p0=%x, p1=%x, pwer_final=%x, idx0=%x, idx1=%x, iq_err=%x, gop=%d, ibit=%x\n", p0, p1, pf, idx0, idx1, iq_err, gop, ibit); if (!(!first_search && pf <= p0 && pf < p1)) { if (p0 < p1) { pf = p0; iq_err = idx0; } else { pf = p1; iq_err = idx1; } } bbp = (ch_idx == 0) ? (gop == 0) ? 0x28 : 0x29 : (gop == 0) ? 0x46 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, iq_err); if (gop == 0) gerr = iq_err; else perr = iq_err; rt2x00_dbg(rt2x00dev, "IQCalibration pf=%8x (%2x, %2x) !\n", pf, gerr & 0x0F, perr & 0x3F); } } if (bidx > 0) ibit = (ibit >> 1); } gerr = (gerr & 0x08) ? (gerr & 0x0F) - 0x10 : (gerr & 0x0F); perr = (perr & 0x20) ? (perr & 0x3F) - 0x40 : (perr & 0x3F); gerr = (gerr < -0x07) ? -0x07 : (gerr > 0x05) ? 0x05 : gerr; gsta = gerr - 1; gend = gerr + 2; perr = (perr < -0x1f) ? -0x1f : (perr > 0x1d) ? 0x1d : perr; psta = perr - 1; pend = perr + 2; for (gef = gsta; gef <= gend; gef = gef + 1) for (pef = psta; pef <= pend; pef = pef + 1) { bbp = (ch_idx == 0) ? 0x28 : 0x46; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, gef & 0x0F); bbp = (ch_idx == 0) ? 0x29 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, pef & 0x3F); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1); if (gef == gsta && pef == psta) { pf = p1; gerr = gef; perr = pef; } else if (pf > p1) { pf = p1; gerr = gef; perr = pef; } rt2x00_dbg(rt2x00dev, "Fine IQCalibration p1=%8x pf=%8x (%2x, %2x) !\n", p1, pf, gef & 0x0F, pef & 0x3F); } ges[ch_idx] = gerr & 0x0F; pes[ch_idx] = perr & 0x3F; } static void rt2800_rf_aux_tx0_loopback(struct rt2x00_dev *rt2x00dev) { rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x21); rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, 0x10); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x1b); rt2800_rfcsr_write_bank(rt2x00dev, 4, 0, 0x81); rt2800_rfcsr_write_bank(rt2x00dev, 4, 2, 0x81); rt2800_rfcsr_write_bank(rt2x00dev, 4, 34, 0xee); rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, 0x2d); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, 0x2d); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, 0x80); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xd7); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0xa2); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x20); } static void rt2800_rf_aux_tx1_loopback(struct rt2x00_dev *rt2x00dev) { rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x22); rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, 0x20); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x4b); rt2800_rfcsr_write_bank(rt2x00dev, 6, 0, 0x81); rt2800_rfcsr_write_bank(rt2x00dev, 6, 2, 0x81); rt2800_rfcsr_write_bank(rt2x00dev, 6, 34, 0xee); rt2800_rfcsr_write_bank(rt2x00dev, 7, 3, 0x2d); rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, 0x2d); rt2800_rfcsr_write_bank(rt2x00dev, 7, 17, 0x80); rt2800_rfcsr_write_bank(rt2x00dev, 7, 18, 0xd7); rt2800_rfcsr_write_bank(rt2x00dev, 7, 19, 0xa2); rt2800_rfcsr_write_bank(rt2x00dev, 7, 20, 0x20); } static void rt2800_loft_iq_calibration(struct rt2x00_dev *rt2x00dev) { struct rf_reg_pair rf_store[CHAIN_NUM][13]; u32 macorg1 = 0; u32 macorg2 = 0; u32 macorg3 = 0; u32 macorg4 = 0; u32 macorg5 = 0; u32 orig528 = 0; u32 orig52c = 0; u32 savemacsysctrl = 0; u32 macvalue = 0; u32 mac13b8 = 0; u32 p0 = 0, p1 = 0; u32 p0_idx10 = 0, p1_idx10 = 0; u8 rfvalue; u8 loft_dc_search_result[CHAIN_NUM][RF_ALC_NUM][2]; u8 ger[CHAIN_NUM], per[CHAIN_NUM]; u8 vga_gain[] = {14, 14}; u8 bbp = 0, ch_idx = 0, rf_alc_idx = 0, idx = 0; u8 bbpr30, rfb0r39, rfb0r42; u8 bbpr1; u8 bbpr4; u8 bbpr241, bbpr242; u8 count_step; static const u8 rf_gain[] = {0x00, 0x01, 0x02, 0x04, 0x08, 0x0c}; static const u8 rfvga_gain_table[] = {0x24, 0x25, 0x26, 0x27, 0x28, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3F}; static const u8 bbp_2324gain[] = {0x16, 0x14, 0x12, 0x10, 0x0c, 0x08}; savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macorg1 = rt2800_register_read(rt2x00dev, TX_PIN_CFG); macorg2 = rt2800_register_read(rt2x00dev, RF_CONTROL0); macorg3 = rt2800_register_read(rt2x00dev, RF_BYPASS0); macorg4 = rt2800_register_read(rt2x00dev, RF_CONTROL3); macorg5 = rt2800_register_read(rt2x00dev, RF_BYPASS3); mac13b8 = rt2800_register_read(rt2x00dev, 0x13b8); orig528 = rt2800_register_read(rt2x00dev, RF_CONTROL2); orig52c = rt2800_register_read(rt2x00dev, RF_BYPASS2); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macvalue &= (~0x04); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX))) rt2x00_warn(rt2x00dev, "RF TX busy in LOFT IQ calibration\n"); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macvalue &= (~0x08); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_RX))) rt2x00_warn(rt2x00dev, "RF RX busy in LOFT IQ calibration\n"); for (ch_idx = 0; ch_idx < 2; ch_idx++) rt2800_rf_configstore(rt2x00dev, rf_store, ch_idx); bbpr30 = rt2800_bbp_read(rt2x00dev, 30); rfb0r39 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 39); rfb0r42 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); rt2800_bbp_write(rt2x00dev, 30, 0x1F); rt2800_rfcsr_write_bank(rt2x00dev, 0, 39, 0x80); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x5B); rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); rt2800_setbbptonegenerator(rt2x00dev); for (ch_idx = 0; ch_idx < 2; ch_idx++) { rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00); rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x0000000F); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003306); rt2800_register_write(rt2x00dev, 0x13b8, 0x10); udelay(1); if (ch_idx == 0) rt2800_rf_aux_tx0_loopback(rt2x00dev); else rt2800_rf_aux_tx1_loopback(rt2x00dev); udelay(1); if (ch_idx == 0) rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001004); else rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002004); rt2800_bbp_write(rt2x00dev, 158, 0x05); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 158, 0x01); if (ch_idx == 0) rt2800_bbp_write(rt2x00dev, 159, 0x00); else rt2800_bbp_write(rt2x00dev, 159, 0x01); vga_gain[ch_idx] = 18; for (rf_alc_idx = 0; rf_alc_idx < 3; rf_alc_idx++) { rt2800_bbp_write(rt2x00dev, 23, bbp_2324gain[rf_alc_idx]); rt2800_bbp_write(rt2x00dev, 24, bbp_2324gain[rf_alc_idx]); macvalue = rt2800_register_read(rt2x00dev, RF_CONTROL3); macvalue &= (~0x0000F1F1); macvalue |= (rf_gain[rf_alc_idx] << 4); macvalue |= (rf_gain[rf_alc_idx] << 12); rt2800_register_write(rt2x00dev, RF_CONTROL3, macvalue); macvalue = (0x0000F1F1); rt2800_register_write(rt2x00dev, RF_BYPASS3, macvalue); if (rf_alc_idx == 0) { rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x21); for (; vga_gain[ch_idx] > 0; vga_gain[ch_idx] = vga_gain[ch_idx] - 2) { rfvalue = rfvga_gain_table[vga_gain[ch_idx]]; rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue); rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue); rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x00); rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x00); p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x21); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); rt2x00_dbg(rt2x00dev, "LOFT AGC %d %d\n", p0, p1); if ((p0 < 7000 * 7000) && (p1 < (7000 * 7000))) break; } rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x00); rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x00); rt2x00_dbg(rt2x00dev, "Used VGA %d %x\n", vga_gain[ch_idx], rfvga_gain_table[vga_gain[ch_idx]]); } rfvalue = rfvga_gain_table[vga_gain[ch_idx]]; rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue); rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue); rt2800_loft_search(rt2x00dev, ch_idx, rf_alc_idx, loft_dc_search_result); } } for (rf_alc_idx = 0; rf_alc_idx < 3; rf_alc_idx++) { for (idx = 0; idx < 4; idx++) { rt2800_bbp_write(rt2x00dev, 158, 0xB0); bbp = (idx << 2) + rf_alc_idx; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " ALC %2x,", bbp); rt2800_bbp_write(rt2x00dev, 158, 0xb1); bbp = loft_dc_search_result[CHAIN_0][rf_alc_idx][0x00]; bbp = bbp & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " I0 %2x,", bbp); rt2800_bbp_write(rt2x00dev, 158, 0xb2); bbp = loft_dc_search_result[CHAIN_0][rf_alc_idx][0x01]; bbp = bbp & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " Q0 %2x,", bbp); rt2800_bbp_write(rt2x00dev, 158, 0xb8); bbp = loft_dc_search_result[CHAIN_1][rf_alc_idx][0x00]; bbp = bbp & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " I1 %2x,", bbp); rt2800_bbp_write(rt2x00dev, 158, 0xb9); bbp = loft_dc_search_result[CHAIN_1][rf_alc_idx][0x01]; bbp = bbp & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " Q1 %2x\n", bbp); } } rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); rt2800_bbp_write(rt2x00dev, 158, 0x00); rt2800_bbp_write(rt2x00dev, 159, 0x00); bbp = 0x00; rt2800_bbp_write(rt2x00dev, 244, 0x00); rt2800_bbp_write(rt2x00dev, 21, 0x01); udelay(1); rt2800_bbp_write(rt2x00dev, 21, 0x00); rt2800_rf_configrecover(rt2x00dev, rf_store); rt2800_register_write(rt2x00dev, TX_PIN_CFG, macorg1); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00); rt2800_register_write(rt2x00dev, RF_CONTROL0, macorg2); udelay(1); rt2800_register_write(rt2x00dev, RF_BYPASS0, macorg3); rt2800_register_write(rt2x00dev, RF_CONTROL3, macorg4); rt2800_register_write(rt2x00dev, RF_BYPASS3, macorg5); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); rt2800_register_write(rt2x00dev, RF_CONTROL2, orig528); rt2800_register_write(rt2x00dev, RF_BYPASS2, orig52c); rt2800_register_write(rt2x00dev, 0x13b8, mac13b8); savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macorg1 = rt2800_register_read(rt2x00dev, TX_PIN_CFG); macorg2 = rt2800_register_read(rt2x00dev, RF_CONTROL0); macorg3 = rt2800_register_read(rt2x00dev, RF_BYPASS0); macorg4 = rt2800_register_read(rt2x00dev, RF_CONTROL3); macorg5 = rt2800_register_read(rt2x00dev, RF_BYPASS3); bbpr1 = rt2800_bbp_read(rt2x00dev, 1); bbpr4 = rt2800_bbp_read(rt2x00dev, 4); bbpr241 = rt2800_bbp_read(rt2x00dev, 241); bbpr242 = rt2800_bbp_read(rt2x00dev, 242); mac13b8 = rt2800_register_read(rt2x00dev, 0x13b8); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macvalue &= (~0x04); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX))) rt2x00_warn(rt2x00dev, "RF TX busy in LOFT IQ calibration\n"); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macvalue &= (~0x08); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_RX))) rt2x00_warn(rt2x00dev, "RF RX busy in LOFT IQ calibration\n"); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x00000101); rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0000F1F1); } rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_bbp_write(rt2x00dev, 4, bbpr4 & (~0x18)); rt2800_bbp_write(rt2x00dev, 21, 0x01); udelay(1); rt2800_bbp_write(rt2x00dev, 21, 0x00); rt2800_bbp_write(rt2x00dev, 241, 0x14); rt2800_bbp_write(rt2x00dev, 242, 0x80); rt2800_bbp_write(rt2x00dev, 244, 0x31); } else { rt2800_setbbptonegenerator(rt2x00dev); } rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003306); udelay(1); rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x0000000F); if (!test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x00000000); rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0000F1F1); } rt2800_register_write(rt2x00dev, 0x13b8, 0x00000010); for (ch_idx = 0; ch_idx < 2; ch_idx++) rt2800_rf_configstore(rt2x00dev, rf_store, ch_idx); rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x3B); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x3B); rt2800_bbp_write(rt2x00dev, 158, 0x03); rt2800_bbp_write(rt2x00dev, 159, 0x60); rt2800_bbp_write(rt2x00dev, 158, 0xB0); rt2800_bbp_write(rt2x00dev, 159, 0x80); for (ch_idx = 0; ch_idx < 2; ch_idx++) { rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); if (ch_idx == 0) { rt2800_bbp_write(rt2x00dev, 158, 0x01); rt2800_bbp_write(rt2x00dev, 159, 0x00); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { bbp = bbpr1 & (~0x18); bbp = bbp | 0x00; rt2800_bbp_write(rt2x00dev, 1, bbp); } rt2800_rf_aux_tx0_loopback(rt2x00dev); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001004); } else { rt2800_bbp_write(rt2x00dev, 158, 0x01); rt2800_bbp_write(rt2x00dev, 159, 0x01); if (test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags)) { bbp = bbpr1 & (~0x18); bbp = bbp | 0x08; rt2800_bbp_write(rt2x00dev, 1, bbp); } rt2800_rf_aux_tx1_loopback(rt2x00dev); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002004); } rt2800_bbp_write(rt2x00dev, 158, 0x05); rt2800_bbp_write(rt2x00dev, 159, 0x04); bbp = (ch_idx == 0) ? 0x28 : 0x46; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, 0x00); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_bbp_write(rt2x00dev, 23, 0x06); rt2800_bbp_write(rt2x00dev, 24, 0x06); count_step = 1; } else { rt2800_bbp_write(rt2x00dev, 23, 0x1F); rt2800_bbp_write(rt2x00dev, 24, 0x1F); count_step = 2; } for (; vga_gain[ch_idx] < 19; vga_gain[ch_idx] = (vga_gain[ch_idx] + count_step)) { rfvalue = rfvga_gain_table[vga_gain[ch_idx]]; rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue); rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue); bbp = (ch_idx == 0) ? 0x29 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, 0x00); p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 0); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) p0_idx10 = rt2800_read_fft_accumulation(rt2x00dev, 0x0A); bbp = (ch_idx == 0) ? 0x29 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, 0x21); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 0); if (test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags)) p1_idx10 = rt2800_read_fft_accumulation(rt2x00dev, 0x0A); rt2x00_dbg(rt2x00dev, "IQ AGC %d %d\n", p0, p1); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2x00_dbg(rt2x00dev, "IQ AGC IDX 10 %d %d\n", p0_idx10, p1_idx10); if ((p0_idx10 > 7000 * 7000) || (p1_idx10 > 7000 * 7000)) { if (vga_gain[ch_idx] != 0) vga_gain[ch_idx] = vga_gain[ch_idx] - 1; break; } } if ((p0 > 2500 * 2500) || (p1 > 2500 * 2500)) break; } if (vga_gain[ch_idx] > 18) vga_gain[ch_idx] = 18; rt2x00_dbg(rt2x00dev, "Used VGA %d %x\n", vga_gain[ch_idx], rfvga_gain_table[vga_gain[ch_idx]]); bbp = (ch_idx == 0) ? 0x29 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_iq_search(rt2x00dev, ch_idx, ger, per); } rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); rt2800_bbp_write(rt2x00dev, 158, 0x28); bbp = ger[CHAIN_0] & 0x0F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2800_bbp_write(rt2x00dev, 158, 0x29); bbp = per[CHAIN_0] & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2800_bbp_write(rt2x00dev, 158, 0x46); bbp = ger[CHAIN_1] & 0x0F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2800_bbp_write(rt2x00dev, 158, 0x47); bbp = per[CHAIN_1] & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_bbp_write(rt2x00dev, 1, bbpr1); rt2800_bbp_write(rt2x00dev, 241, bbpr241); rt2800_bbp_write(rt2x00dev, 242, bbpr242); } rt2800_bbp_write(rt2x00dev, 244, 0x00); rt2800_bbp_write(rt2x00dev, 158, 0x00); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 158, 0xB0); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 30, bbpr30); rt2800_rfcsr_write_bank(rt2x00dev, 0, 39, rfb0r39); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfb0r42); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) rt2800_bbp_write(rt2x00dev, 4, bbpr4); rt2800_bbp_write(rt2x00dev, 21, 0x01); udelay(1); rt2800_bbp_write(rt2x00dev, 21, 0x00); rt2800_rf_configrecover(rt2x00dev, rf_store); rt2800_register_write(rt2x00dev, TX_PIN_CFG, macorg1); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00); rt2800_register_write(rt2x00dev, RF_CONTROL0, macorg2); udelay(1); rt2800_register_write(rt2x00dev, RF_BYPASS0, macorg3); rt2800_register_write(rt2x00dev, RF_CONTROL3, macorg4); rt2800_register_write(rt2x00dev, RF_BYPASS3, macorg5); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); rt2800_register_write(rt2x00dev, 0x13b8, mac13b8); } static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev, bool set_bw, bool is_ht40) { u8 bbp_val; bbp_val = rt2800_bbp_read(rt2x00dev, 21); bbp_val |= 0x1; rt2800_bbp_write(rt2x00dev, 21, bbp_val); usleep_range(100, 200); if (set_bw) { bbp_val = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp_val, BBP4_BANDWIDTH, 2 * is_ht40); rt2800_bbp_write(rt2x00dev, 4, bbp_val); usleep_range(100, 200); } bbp_val = rt2800_bbp_read(rt2x00dev, 21); bbp_val &= (~0x1); rt2800_bbp_write(rt2x00dev, 21, bbp_val); usleep_range(100, 200); } static int rt2800_rf_lp_config(struct rt2x00_dev *rt2x00dev, bool btxcal) { u8 rf_val; if (btxcal) rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); else rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x02); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x06); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); rf_val |= 0x80; rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, rf_val); if (btxcal) { rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xC1); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x20); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x02); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); rf_val &= (~0x3F); rf_val |= 0x3F; rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); rf_val &= (~0x3F); rf_val |= 0x3F; rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rf_val); rt2800_rfcsr_write_bank(rt2x00dev, 5, 5, 0x31); } else { rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xF1); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x18); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x02); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); rf_val &= (~0x3F); rf_val |= 0x34; rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); rf_val &= (~0x3F); rf_val |= 0x34; rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rf_val); } return 0; } static s8 rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev) { unsigned int cnt; u8 bbp_val; s8 cal_val; rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x82); cnt = 0; do { usleep_range(500, 2000); bbp_val = rt2800_bbp_read(rt2x00dev, 159); if (bbp_val == 0x02 || cnt == 20) break; cnt++; } while (cnt < 20); bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 0x39); cal_val = bbp_val & 0x7F; if (cal_val >= 0x40) cal_val -= 128; return cal_val; } static void rt2800_bw_filter_calibration(struct rt2x00_dev *rt2x00dev, bool btxcal) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 tx_agc_fc = 0, rx_agc_fc = 0, cmm_agc_fc; u8 filter_target; u8 tx_filter_target_20m = 0x09, tx_filter_target_40m = 0x02; u8 rx_filter_target_20m = 0x27, rx_filter_target_40m = 0x31; int loop = 0, is_ht40, cnt; u8 bbp_val, rf_val; s8 cal_r32_init, cal_r32_val, cal_diff; u8 saverfb5r00, saverfb5r01, saverfb5r03, saverfb5r04, saverfb5r05; u8 saverfb5r06, saverfb5r07; u8 saverfb5r08, saverfb5r17, saverfb5r18, saverfb5r19, saverfb5r20; u8 saverfb5r37, saverfb5r38, saverfb5r39, saverfb5r40, saverfb5r41; u8 saverfb5r42, saverfb5r43, saverfb5r44, saverfb5r45, saverfb5r46; u8 saverfb5r58, saverfb5r59; u8 savebbp159r0, savebbp159r2, savebbpr23; u32 MAC_RF_CONTROL0, MAC_RF_BYPASS0; /* Save MAC registers */ MAC_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0); MAC_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0); /* save BBP registers */ savebbpr23 = rt2800_bbp_read(rt2x00dev, 23); savebbp159r0 = rt2800_bbp_dcoc_read(rt2x00dev, 0); savebbp159r2 = rt2800_bbp_dcoc_read(rt2x00dev, 2); /* Save RF registers */ saverfb5r00 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0); saverfb5r01 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); saverfb5r03 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); saverfb5r04 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); saverfb5r05 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 5); saverfb5r06 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6); saverfb5r07 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7); saverfb5r08 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 8); saverfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); saverfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); saverfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); saverfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); saverfb5r37 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 37); saverfb5r38 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 38); saverfb5r39 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 39); saverfb5r40 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 40); saverfb5r41 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 41); saverfb5r42 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 42); saverfb5r43 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 43); saverfb5r44 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 44); saverfb5r45 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 45); saverfb5r46 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 46); saverfb5r58 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58); saverfb5r59 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0); rf_val |= 0x3; rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); rf_val |= 0x1; rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, rf_val); cnt = 0; do { usleep_range(500, 2000); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); if (((rf_val & 0x1) == 0x00) || (cnt == 40)) break; cnt++; } while (cnt < 40); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0); rf_val &= (~0x3); rf_val |= 0x1; rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, rf_val); /* I-3 */ bbp_val = rt2800_bbp_read(rt2x00dev, 23); bbp_val &= (~0x1F); bbp_val |= 0x10; rt2800_bbp_write(rt2x00dev, 23, bbp_val); do { /* I-4,5,6,7,8,9 */ if (loop == 0) { is_ht40 = false; if (btxcal) filter_target = tx_filter_target_20m; else filter_target = rx_filter_target_20m; } else { is_ht40 = true; if (btxcal) filter_target = tx_filter_target_40m; else filter_target = rx_filter_target_40m; } rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 8); rf_val &= (~0x04); if (loop == 1) rf_val |= 0x4; rt2800_rfcsr_write_bank(rt2x00dev, 5, 8, rf_val); rt2800_bbp_core_soft_reset(rt2x00dev, true, is_ht40); rt2800_rf_lp_config(rt2x00dev, btxcal); if (btxcal) { tx_agc_fc = 0; rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58); rf_val &= (~0x7F); rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59); rf_val &= (~0x7F); rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rf_val); } else { rx_agc_fc = 0; rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6); rf_val &= (~0x7F); rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7); rf_val &= (~0x7F); rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rf_val); } usleep_range(1000, 2000); bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 2); bbp_val &= (~0x6); rt2800_bbp_dcoc_write(rt2x00dev, 2, bbp_val); rt2800_bbp_core_soft_reset(rt2x00dev, false, is_ht40); cal_r32_init = rt2800_lp_tx_filter_bw_cal(rt2x00dev); bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 2); bbp_val |= 0x6; rt2800_bbp_dcoc_write(rt2x00dev, 2, bbp_val); do_cal: if (btxcal) { rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58); rf_val &= (~0x7F); rf_val |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59); rf_val &= (~0x7F); rf_val |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rf_val); } else { rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6); rf_val &= (~0x7F); rf_val |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7); rf_val &= (~0x7F); rf_val |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rf_val); } usleep_range(500, 1000); rt2800_bbp_core_soft_reset(rt2x00dev, false, is_ht40); cal_r32_val = rt2800_lp_tx_filter_bw_cal(rt2x00dev); cal_diff = cal_r32_init - cal_r32_val; if (btxcal) cmm_agc_fc = tx_agc_fc; else cmm_agc_fc = rx_agc_fc; if (((cal_diff > filter_target) && (cmm_agc_fc == 0)) || ((cal_diff < filter_target) && (cmm_agc_fc == 0x3f))) { if (btxcal) tx_agc_fc = 0; else rx_agc_fc = 0; } else if ((cal_diff <= filter_target) && (cmm_agc_fc < 0x3f)) { if (btxcal) tx_agc_fc++; else rx_agc_fc++; goto do_cal; } if (btxcal) { if (loop == 0) drv_data->tx_calibration_bw20 = tx_agc_fc; else drv_data->tx_calibration_bw40 = tx_agc_fc; } else { if (loop == 0) drv_data->rx_calibration_bw20 = rx_agc_fc; else drv_data->rx_calibration_bw40 = rx_agc_fc; } loop++; } while (loop <= 1); rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, saverfb5r00); rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, saverfb5r01); rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, saverfb5r03); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r04); rt2800_rfcsr_write_bank(rt2x00dev, 5, 5, saverfb5r05); rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, saverfb5r06); rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, saverfb5r07); rt2800_rfcsr_write_bank(rt2x00dev, 5, 8, saverfb5r08); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, saverfb5r17); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, saverfb5r18); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, saverfb5r19); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, saverfb5r20); rt2800_rfcsr_write_bank(rt2x00dev, 5, 37, saverfb5r37); rt2800_rfcsr_write_bank(rt2x00dev, 5, 38, saverfb5r38); rt2800_rfcsr_write_bank(rt2x00dev, 5, 39, saverfb5r39); rt2800_rfcsr_write_bank(rt2x00dev, 5, 40, saverfb5r40); rt2800_rfcsr_write_bank(rt2x00dev, 5, 41, saverfb5r41); rt2800_rfcsr_write_bank(rt2x00dev, 5, 42, saverfb5r42); rt2800_rfcsr_write_bank(rt2x00dev, 5, 43, saverfb5r43); rt2800_rfcsr_write_bank(rt2x00dev, 5, 44, saverfb5r44); rt2800_rfcsr_write_bank(rt2x00dev, 5, 45, saverfb5r45); rt2800_rfcsr_write_bank(rt2x00dev, 5, 46, saverfb5r46); rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, saverfb5r58); rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, saverfb5r59); rt2800_bbp_write(rt2x00dev, 23, savebbpr23); rt2800_bbp_dcoc_write(rt2x00dev, 0, savebbp159r0); rt2800_bbp_dcoc_write(rt2x00dev, 2, savebbp159r2); bbp_val = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp_val, BBP4_BANDWIDTH, 2 * test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)); rt2800_bbp_write(rt2x00dev, 4, bbp_val); rt2800_register_write(rt2x00dev, RF_CONTROL0, MAC_RF_CONTROL0); rt2800_register_write(rt2x00dev, RF_BYPASS0, MAC_RF_BYPASS0); } static void rt2800_restore_rf_bbp_rt6352(struct rt2x00_dev *rt2x00dev) { if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0); rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0); } if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16); rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23); rt2800_rfcsr_write_chanreg(rt2x00dev, 18, 0x02); } if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xd3); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xb3); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xd5); rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x6c); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xfc); rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1f); rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xff); rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1c); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x20); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6b); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xf7); rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x09); } if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_bbp_write(rt2x00dev, 75, 0x60); rt2800_bbp_write(rt2x00dev, 76, 0x44); rt2800_bbp_write(rt2x00dev, 79, 0x1c); rt2800_bbp_write(rt2x00dev, 80, 0x0c); rt2800_bbp_write(rt2x00dev, 82, 0xB6); } if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT, 0x3630363a); rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6c6c666c); rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6c6c666c); } } static void rt2800_calibration_rt6352(struct rt2x00_dev *rt2x00dev) { u32 reg; if (rt2x00_has_cap_external_pa(rt2x00dev) || rt2x00_has_cap_external_lna_bg(rt2x00dev)) rt2800_restore_rf_bbp_rt6352(rt2x00dev); rt2800_r_calibration(rt2x00dev); rt2800_rf_self_txdc_cal(rt2x00dev); rt2800_rxdcoc_calibration(rt2x00dev); rt2800_bw_filter_calibration(rt2x00dev, true); rt2800_bw_filter_calibration(rt2x00dev, false); rt2800_loft_iq_calibration(rt2x00dev); /* missing DPD calibration for internal PA devices */ rt2800_rxdcoc_calibration(rt2x00dev); rt2800_rxiq_calibration(rt2x00dev); if (!rt2x00_has_cap_external_pa(rt2x00dev) && !rt2x00_has_cap_external_lna_bg(rt2x00dev)) return; if (rt2x00_has_cap_external_pa(rt2x00dev)) { reg = rt2800_register_read(rt2x00dev, RF_CONTROL3); reg |= 0x00000101; rt2800_register_write(rt2x00dev, RF_CONTROL3, reg); reg = rt2800_register_read(rt2x00dev, RF_BYPASS3); reg |= 0x00000101; rt2800_register_write(rt2x00dev, RF_BYPASS3, reg); } if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x66); rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x20); rt2800_rfcsr_write_chanreg(rt2x00dev, 18, 0x42); } if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0x73); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0x73); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0x73); rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0xc8); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xa4); rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x05); rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0xc8); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xa4); rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x05); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0xc8); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xa4); rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x05); } if (rt2x00_has_cap_external_pa(rt2x00dev)) rt2800_rfcsr_write_dccal(rt2x00dev, 05, 0x00); if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_bbp_write(rt2x00dev, 75, 0x68); rt2800_bbp_write(rt2x00dev, 76, 0x4c); rt2800_bbp_write(rt2x00dev, 79, 0x1c); rt2800_bbp_write(rt2x00dev, 80, 0x0c); rt2800_bbp_write(rt2x00dev, 82, 0xb6); } if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT, 0x36303636); rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6c6c6b6c); rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6c6c6b6c); } } static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev) { /* Initialize RF central register to default value */ rt2800_rfcsr_write(rt2x00dev, 0, 0x02); rt2800_rfcsr_write(rt2x00dev, 1, 0x03); rt2800_rfcsr_write(rt2x00dev, 2, 0x33); rt2800_rfcsr_write(rt2x00dev, 3, 0xFF); rt2800_rfcsr_write(rt2x00dev, 4, 0x0C); rt2800_rfcsr_write(rt2x00dev, 5, 0x40); rt2800_rfcsr_write(rt2x00dev, 6, 0x00); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 8, 0x00); rt2800_rfcsr_write(rt2x00dev, 9, 0x00); rt2800_rfcsr_write(rt2x00dev, 10, 0x00); rt2800_rfcsr_write(rt2x00dev, 11, 0x00); rt2800_rfcsr_write(rt2x00dev, 12, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 13, 0x00); rt2800_rfcsr_write(rt2x00dev, 14, 0x40); rt2800_rfcsr_write(rt2x00dev, 15, 0x22); rt2800_rfcsr_write(rt2x00dev, 16, 0x4C); rt2800_rfcsr_write(rt2x00dev, 17, 0x00); rt2800_rfcsr_write(rt2x00dev, 18, 0x00); rt2800_rfcsr_write(rt2x00dev, 19, 0x00); rt2800_rfcsr_write(rt2x00dev, 20, 0xA0); rt2800_rfcsr_write(rt2x00dev, 21, 0x12); rt2800_rfcsr_write(rt2x00dev, 22, 0x07); rt2800_rfcsr_write(rt2x00dev, 23, 0x13); rt2800_rfcsr_write(rt2x00dev, 24, 0xFE); rt2800_rfcsr_write(rt2x00dev, 25, 0x24); rt2800_rfcsr_write(rt2x00dev, 26, 0x7A); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x05); rt2800_rfcsr_write(rt2x00dev, 30, 0x00); rt2800_rfcsr_write(rt2x00dev, 31, 0x00); rt2800_rfcsr_write(rt2x00dev, 32, 0x00); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x00); rt2800_rfcsr_write(rt2x00dev, 35, 0x00); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x00); rt2800_rfcsr_write(rt2x00dev, 38, 0x00); rt2800_rfcsr_write(rt2x00dev, 39, 0x00); rt2800_rfcsr_write(rt2x00dev, 40, 0x00); rt2800_rfcsr_write(rt2x00dev, 41, 0xD0); rt2800_rfcsr_write(rt2x00dev, 42, 0x5B); rt2800_rfcsr_write(rt2x00dev, 43, 0x00); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); if (rt2800_clk_is_20mhz(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 13, 0x03); else rt2800_rfcsr_write(rt2x00dev, 13, 0x00); rt2800_rfcsr_write(rt2x00dev, 14, 0x7C); rt2800_rfcsr_write(rt2x00dev, 16, 0x80); rt2800_rfcsr_write(rt2x00dev, 17, 0x99); rt2800_rfcsr_write(rt2x00dev, 18, 0x99); rt2800_rfcsr_write(rt2x00dev, 19, 0x09); rt2800_rfcsr_write(rt2x00dev, 20, 0x50); rt2800_rfcsr_write(rt2x00dev, 21, 0xB0); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x06); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); rt2800_rfcsr_write(rt2x00dev, 25, 0x00); rt2800_rfcsr_write(rt2x00dev, 26, 0x5D); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x61); rt2800_rfcsr_write(rt2x00dev, 29, 0xB5); rt2800_rfcsr_write(rt2x00dev, 43, 0x02); rt2800_rfcsr_write(rt2x00dev, 28, 0x62); rt2800_rfcsr_write(rt2x00dev, 29, 0xAD); rt2800_rfcsr_write(rt2x00dev, 39, 0x80); /* Initialize RF channel register to default value */ rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x03); rt2800_rfcsr_write_chanreg(rt2x00dev, 1, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 2, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 3, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 4, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 5, 0x08); rt2800_rfcsr_write_chanreg(rt2x00dev, 6, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 7, 0x51); rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x53); rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x16); rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x61); rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53); rt2800_rfcsr_write_chanreg(rt2x00dev, 12, 0x22); rt2800_rfcsr_write_chanreg(rt2x00dev, 13, 0x3D); rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06); rt2800_rfcsr_write_chanreg(rt2x00dev, 15, 0x13); rt2800_rfcsr_write_chanreg(rt2x00dev, 16, 0x22); rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 18, 0x02); rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7); rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x01); rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x52); rt2800_rfcsr_write_chanreg(rt2x00dev, 22, 0x80); rt2800_rfcsr_write_chanreg(rt2x00dev, 23, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 24, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 25, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 26, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 27, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x5C); rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0x6B); rt2800_rfcsr_write_chanreg(rt2x00dev, 30, 0x6B); rt2800_rfcsr_write_chanreg(rt2x00dev, 31, 0x31); rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x5D); rt2800_rfcsr_write_chanreg(rt2x00dev, 33, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xE6); rt2800_rfcsr_write_chanreg(rt2x00dev, 35, 0x55); rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 37, 0xBB); rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 39, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 40, 0x03); rt2800_rfcsr_write_chanreg(rt2x00dev, 41, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 42, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xD3); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5); rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x07); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x68); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xEF); rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1C); rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x07); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0xA8); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0x85); rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x10); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x07); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6A); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0x85); rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x10); rt2800_rfcsr_write_chanreg(rt2x00dev, 62, 0x1C); rt2800_rfcsr_write_chanreg(rt2x00dev, 63, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 6, 45, 0xC5); rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x47); rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x71); rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x33); rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x0E); rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23); rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA4); rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x02); rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x12); rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x1C); rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0xEB); rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x7D); rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xD6); rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x08); rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB4); rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5); rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27); rt2800_rfcsr_write_bank(rt2x00dev, 4, 47, 0x67); rt2800_rfcsr_write_bank(rt2x00dev, 6, 47, 0x69); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFF); rt2800_rfcsr_write_bank(rt2x00dev, 4, 54, 0x27); rt2800_rfcsr_write_bank(rt2x00dev, 6, 54, 0x20); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xFF); rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1C); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x20); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xF7); rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x09); rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x51); rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06); rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7); rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x2C); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x64); rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x51); rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x36); rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53); rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x6C); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFC); rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1F); rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B); /* Initialize RF channel register for DRQFN */ rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xE3); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xE5); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x28); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x68); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xF7); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x02); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xC7); /* Initialize RF DC calibration register to default value */ rt2800_rfcsr_write_dccal(rt2x00dev, 0, 0x47); rt2800_rfcsr_write_dccal(rt2x00dev, 1, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 2, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04); rt2800_rfcsr_write_dccal(rt2x00dev, 9, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 10, 0x07); rt2800_rfcsr_write_dccal(rt2x00dev, 11, 0x01); rt2800_rfcsr_write_dccal(rt2x00dev, 12, 0x07); rt2800_rfcsr_write_dccal(rt2x00dev, 13, 0x07); rt2800_rfcsr_write_dccal(rt2x00dev, 14, 0x07); rt2800_rfcsr_write_dccal(rt2x00dev, 15, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 16, 0x22); rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 21, 0xF1); rt2800_rfcsr_write_dccal(rt2x00dev, 22, 0x11); rt2800_rfcsr_write_dccal(rt2x00dev, 23, 0x02); rt2800_rfcsr_write_dccal(rt2x00dev, 24, 0x41); rt2800_rfcsr_write_dccal(rt2x00dev, 25, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 26, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 27, 0xD7); rt2800_rfcsr_write_dccal(rt2x00dev, 28, 0xA2); rt2800_rfcsr_write_dccal(rt2x00dev, 29, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 30, 0x49); rt2800_rfcsr_write_dccal(rt2x00dev, 31, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 32, 0x04); rt2800_rfcsr_write_dccal(rt2x00dev, 33, 0xF1); rt2800_rfcsr_write_dccal(rt2x00dev, 34, 0xA1); rt2800_rfcsr_write_dccal(rt2x00dev, 35, 0x01); rt2800_rfcsr_write_dccal(rt2x00dev, 41, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 42, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 43, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 44, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 45, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 46, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 47, 0x3E); rt2800_rfcsr_write_dccal(rt2x00dev, 48, 0x3D); rt2800_rfcsr_write_dccal(rt2x00dev, 49, 0x3E); rt2800_rfcsr_write_dccal(rt2x00dev, 50, 0x3D); rt2800_rfcsr_write_dccal(rt2x00dev, 51, 0x3E); rt2800_rfcsr_write_dccal(rt2x00dev, 52, 0x3D); rt2800_rfcsr_write_dccal(rt2x00dev, 53, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 54, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 55, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 56, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 57, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 60, 0x0A); rt2800_rfcsr_write_dccal(rt2x00dev, 61, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 62, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 63, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x08); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x04); rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C); /* Do calibration and init PA/LNA */ rt2800_calibration_rt6352(rt2x00dev); } static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev) { if (rt2800_is_305x_soc(rt2x00dev)) { rt2800_init_rfcsr_305x_soc(rt2x00dev); return; } switch (rt2x00dev->chip.rt) { case RT3070: case RT3071: case RT3090: rt2800_init_rfcsr_30xx(rt2x00dev); break; case RT3290: rt2800_init_rfcsr_3290(rt2x00dev); break; case RT3352: rt2800_init_rfcsr_3352(rt2x00dev); break; case RT3390: rt2800_init_rfcsr_3390(rt2x00dev); break; case RT3883: rt2800_init_rfcsr_3883(rt2x00dev); break; case RT3572: rt2800_init_rfcsr_3572(rt2x00dev); break; case RT3593: rt2800_init_rfcsr_3593(rt2x00dev); break; case RT5350: rt2800_init_rfcsr_5350(rt2x00dev); break; case RT5390: rt2800_init_rfcsr_5390(rt2x00dev); break; case RT5392: rt2800_init_rfcsr_5392(rt2x00dev); break; case RT5592: rt2800_init_rfcsr_5592(rt2x00dev); break; case RT6352: rt2800_init_rfcsr_6352(rt2x00dev); break; } } int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 word; /* * Initialize MAC registers. */ if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || rt2800_init_registers(rt2x00dev))) return -EIO; /* * Wait BBP/RF to wake up. */ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY))) return -EIO; /* * Send signal during boot time to initialize firmware. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); if (rt2x00_is_usb(rt2x00dev)) rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0); rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); msleep(1); /* * Make sure BBP is up and running. */ if (unlikely(rt2800_wait_bbp_ready(rt2x00dev))) return -EIO; /* * Initialize BBP/RF registers. */ rt2800_init_bbp(rt2x00dev); rt2800_init_rfcsr(rt2x00dev); if (rt2x00_is_usb(rt2x00dev) && (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3572))) { udelay(200); rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0); udelay(10); } /* * Enable RX. */ reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); udelay(50); reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); /* * Initialize LED control */ word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF); rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff, word & 0xff, (word >> 8) & 0xff); word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF); rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff, word & 0xff, (word >> 8) & 0xff); word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY); rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff, word & 0xff, (word >> 8) & 0xff); return 0; } EXPORT_SYMBOL_GPL(rt2800_enable_radio); void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2800_disable_wpdma(rt2x00dev); /* Wait for DMA, ignore error */ rt2800_wait_wpdma_ready(rt2x00dev); reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 0); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); } EXPORT_SYMBOL_GPL(rt2800_disable_radio); int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 efuse_ctrl_reg; if (rt2x00_rt(rt2x00dev, RT3290)) efuse_ctrl_reg = EFUSE_CTRL_3290; else efuse_ctrl_reg = EFUSE_CTRL; reg = rt2800_register_read(rt2x00dev, efuse_ctrl_reg); return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT); } EXPORT_SYMBOL_GPL(rt2800_efuse_detect); static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i) { u32 reg; u16 efuse_ctrl_reg; u16 efuse_data0_reg; u16 efuse_data1_reg; u16 efuse_data2_reg; u16 efuse_data3_reg; if (rt2x00_rt(rt2x00dev, RT3290)) { efuse_ctrl_reg = EFUSE_CTRL_3290; efuse_data0_reg = EFUSE_DATA0_3290; efuse_data1_reg = EFUSE_DATA1_3290; efuse_data2_reg = EFUSE_DATA2_3290; efuse_data3_reg = EFUSE_DATA3_3290; } else { efuse_ctrl_reg = EFUSE_CTRL; efuse_data0_reg = EFUSE_DATA0; efuse_data1_reg = EFUSE_DATA1; efuse_data2_reg = EFUSE_DATA2; efuse_data3_reg = EFUSE_DATA3; } mutex_lock(&rt2x00dev->csr_mutex); reg = rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg); rt2x00_set_field32(®, EFUSE_CTRL_ADDRESS_IN, i); rt2x00_set_field32(®, EFUSE_CTRL_MODE, 0); rt2x00_set_field32(®, EFUSE_CTRL_KICK, 1); rt2800_register_write_lock(rt2x00dev, efuse_ctrl_reg, reg); /* Wait until the EEPROM has been loaded */ rt2800_regbusy_read(rt2x00dev, efuse_ctrl_reg, EFUSE_CTRL_KICK, ®); /* Apparently the data is read from end to start */ reg = rt2800_register_read_lock(rt2x00dev, efuse_data3_reg); /* The returned value is in CPU order, but eeprom is le */ *(__le32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg); reg = rt2800_register_read_lock(rt2x00dev, efuse_data2_reg); *(__le32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg); reg = rt2800_register_read_lock(rt2x00dev, efuse_data1_reg); *(__le32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg); reg = rt2800_register_read_lock(rt2x00dev, efuse_data0_reg); *(__le32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg); mutex_unlock(&rt2x00dev->csr_mutex); } int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) { unsigned int i; for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8) rt2800_efuse_read(rt2x00dev, i); return 0; } EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse); static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev) { u16 word; if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) return 0; word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG); if ((word & 0x00ff) != 0x00ff) return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL); return 0; } static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev) { u16 word; if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) return 0; word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A); if ((word & 0x00ff) != 0x00ff) return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL); return 0; } static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u16 word; u8 *mac; u8 default_lna_gain; int retval; /* * Read the EEPROM. */ retval = rt2800_read_eeprom(rt2x00dev); if (retval) return retval; /* * Start validation of the data that has been read. */ mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); rt2x00lib_set_mac_address(rt2x00dev, mac); word = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2); rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1); rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820); rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word); rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word); } else if (rt2x00_rt(rt2x00dev, RT2860) || rt2x00_rt(rt2x00dev, RT2872)) { /* * There is a max of 2 RX streams for RT28x0 series */ if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2) rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2); rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word); } word = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word); rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word); } word = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ); if ((word & 0x00ff) == 0x00ff) { rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word); rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word); } if ((word & 0xff00) == 0xff00) { rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE, LED_MODE_TXRX_ACTIVITY); rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word); rt2800_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555); rt2800_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221); rt2800_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8); rt2x00_eeprom_dbg(rt2x00dev, "Led Mode: 0x%04x\n", word); } /* * During the LNA validation we are going to use * lna0 as correct value. Note that EEPROM_LNA * is never validated. */ word = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA); default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0); word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word); drv_data->txmixer_gain_24g = rt2800_get_txmixer_gain_24g(rt2x00dev); word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0); if (!rt2x00_rt(rt2x00dev, RT3593) && !rt2x00_rt(rt2x00dev, RT3883)) { if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 || rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff) rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1, default_lna_gain); } rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word); drv_data->txmixer_gain_5g = rt2800_get_txmixer_gain_5g(rt2x00dev); word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word); word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0); if (!rt2x00_rt(rt2x00dev, RT3593) && !rt2x00_rt(rt2x00dev, RT3883)) { if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 || rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff) rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2, default_lna_gain); } rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word); if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) { word = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2); if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0x00 || rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0xff) rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1, default_lna_gain); if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0x00 || rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0xff) rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1, default_lna_gain); rt2800_eeprom_write(rt2x00dev, EEPROM_EXT_LNA2, word); } return 0; } static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev) { u16 value; u16 eeprom; u16 rf; /* * Read EEPROM word for configuration. */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); /* * Identify RF chipset by EEPROM value * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field * RT53xx: defined in "EEPROM_CHIP_ID" field */ if (rt2x00_rt(rt2x00dev, RT3290) || rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392) || rt2x00_rt(rt2x00dev, RT6352)) rf = rt2800_eeprom_read(rt2x00dev, EEPROM_CHIP_ID); else if (rt2x00_rt(rt2x00dev, RT3352)) rf = RF3322; else if (rt2x00_rt(rt2x00dev, RT3883)) rf = RF3853; else if (rt2x00_rt(rt2x00dev, RT5350)) rf = RF5350; else if (rt2x00_rt(rt2x00dev, RT5592)) rf = RF5592; else rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE); switch (rf) { case RF2820: case RF2850: case RF2720: case RF2750: case RF3020: case RF2020: case RF3021: case RF3022: case RF3052: case RF3053: case RF3070: case RF3290: case RF3320: case RF3322: case RF3853: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: case RF5592: case RF7620: break; default: rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n", rf); return -ENODEV; } rt2x00_set_rf(rt2x00dev, rf); /* * Identify default antenna configuration. */ rt2x00dev->default_ant.tx_chain_num = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH); rt2x00dev->default_ant.rx_chain_num = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3352) || rt2x00_rt(rt2x00dev, RT3390)) { value = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); switch (value) { case 0: case 1: case 2: rt2x00dev->default_ant.tx = ANTENNA_A; rt2x00dev->default_ant.rx = ANTENNA_A; break; case 3: rt2x00dev->default_ant.tx = ANTENNA_A; rt2x00dev->default_ant.rx = ANTENNA_B; break; } } else { rt2x00dev->default_ant.tx = ANTENNA_A; rt2x00dev->default_ant.rx = ANTENNA_A; } /* These chips have hardware RX antenna diversity */ if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R) || rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5370G)) { rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */ rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */ } /* * Determine external LNA informations. */ if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G)) __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G)) __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags); /* * Detect if this device has an hardware controlled radio. */ if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO)) __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags); /* * Detect if this device has Bluetooth co-existence. */ if (!rt2x00_rt(rt2x00dev, RT3352) && rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST)) __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags); /* * Read frequency offset and RF programming sequence. */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ); rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); /* * Store led settings, for correct led behaviour. */ #ifdef CONFIG_RT2X00_LIB_LEDS rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY); rt2x00dev->led_mcu_reg = eeprom; #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Check if support EIRP tx power limit feature. */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER); if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) < EIRP_MAX_TX_POWER_LIMIT) __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags); /* * Detect if device uses internal or external PA */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_rt(rt2x00dev, RT3352) || rt2x00_rt(rt2x00dev, RT6352)) { if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX0_PA_3352)) __set_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX1_PA_3352)) __set_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags); } eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF2); if (rt2x00_rt(rt2x00dev, RT6352) && eeprom != 0 && eeprom != 0xffff) { if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF2_EXTERNAL_PA)) { __clear_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags); __clear_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags); } } return 0; } /* * RF value list for rt28xx * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750) */ static const struct rf_channel rf_vals[] = { { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b }, { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f }, { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b }, { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f }, { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b }, { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f }, { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b }, { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f }, { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b }, { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f }, { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b }, { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f }, { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b }, { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 }, /* 802.11 UNI / HyperLan 2 */ { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 }, { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 }, { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 }, { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 }, { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b }, { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b }, { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 }, { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 }, { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b }, { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 }, { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 }, { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 }, /* 802.11 HyperLan 2 */ { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 }, { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 }, { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 }, { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 }, { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 }, { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b }, { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 }, { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 }, { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 }, { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 }, { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b }, { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 }, { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b }, { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 }, { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b }, { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 }, /* 802.11 UNII */ { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 }, { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 }, { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f }, { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f }, { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 }, { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 }, { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 }, { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f }, { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 }, { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 }, { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f }, /* 802.11 Japan */ { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b }, { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 }, { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b }, { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 }, { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 }, { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b }, { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 }, }; /* * RF value list for rt3xxx * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052 & RF3053) */ static const struct rf_channel rf_vals_3x[] = { {1, 241, 2, 2 }, {2, 241, 2, 7 }, {3, 242, 2, 2 }, {4, 242, 2, 7 }, {5, 243, 2, 2 }, {6, 243, 2, 7 }, {7, 244, 2, 2 }, {8, 244, 2, 7 }, {9, 245, 2, 2 }, {10, 245, 2, 7 }, {11, 246, 2, 2 }, {12, 246, 2, 7 }, {13, 247, 2, 2 }, {14, 248, 2, 4 }, /* 802.11 UNI / HyperLan 2 */ {36, 0x56, 0, 4}, {38, 0x56, 0, 6}, {40, 0x56, 0, 8}, {44, 0x57, 0, 0}, {46, 0x57, 0, 2}, {48, 0x57, 0, 4}, {52, 0x57, 0, 8}, {54, 0x57, 0, 10}, {56, 0x58, 0, 0}, {60, 0x58, 0, 4}, {62, 0x58, 0, 6}, {64, 0x58, 0, 8}, /* 802.11 HyperLan 2 */ {100, 0x5b, 0, 8}, {102, 0x5b, 0, 10}, {104, 0x5c, 0, 0}, {108, 0x5c, 0, 4}, {110, 0x5c, 0, 6}, {112, 0x5c, 0, 8}, {116, 0x5d, 0, 0}, {118, 0x5d, 0, 2}, {120, 0x5d, 0, 4}, {124, 0x5d, 0, 8}, {126, 0x5d, 0, 10}, {128, 0x5e, 0, 0}, {132, 0x5e, 0, 4}, {134, 0x5e, 0, 6}, {136, 0x5e, 0, 8}, {140, 0x5f, 0, 0}, /* 802.11 UNII */ {149, 0x5f, 0, 9}, {151, 0x5f, 0, 11}, {153, 0x60, 0, 1}, {157, 0x60, 0, 5}, {159, 0x60, 0, 7}, {161, 0x60, 0, 9}, {165, 0x61, 0, 1}, {167, 0x61, 0, 3}, {169, 0x61, 0, 5}, {171, 0x61, 0, 7}, {173, 0x61, 0, 9}, }; /* * RF value list for rt3xxx with Xtal20MHz * Supports: 2.4 GHz (all) (RF3322) */ static const struct rf_channel rf_vals_3x_xtal20[] = { {1, 0xE2, 2, 0x14}, {2, 0xE3, 2, 0x14}, {3, 0xE4, 2, 0x14}, {4, 0xE5, 2, 0x14}, {5, 0xE6, 2, 0x14}, {6, 0xE7, 2, 0x14}, {7, 0xE8, 2, 0x14}, {8, 0xE9, 2, 0x14}, {9, 0xEA, 2, 0x14}, {10, 0xEB, 2, 0x14}, {11, 0xEC, 2, 0x14}, {12, 0xED, 2, 0x14}, {13, 0xEE, 2, 0x14}, {14, 0xF0, 2, 0x18}, }; static const struct rf_channel rf_vals_3853[] = { {1, 241, 6, 2}, {2, 241, 6, 7}, {3, 242, 6, 2}, {4, 242, 6, 7}, {5, 243, 6, 2}, {6, 243, 6, 7}, {7, 244, 6, 2}, {8, 244, 6, 7}, {9, 245, 6, 2}, {10, 245, 6, 7}, {11, 246, 6, 2}, {12, 246, 6, 7}, {13, 247, 6, 2}, {14, 248, 6, 4}, {36, 0x56, 8, 4}, {38, 0x56, 8, 6}, {40, 0x56, 8, 8}, {44, 0x57, 8, 0}, {46, 0x57, 8, 2}, {48, 0x57, 8, 4}, {52, 0x57, 8, 8}, {54, 0x57, 8, 10}, {56, 0x58, 8, 0}, {60, 0x58, 8, 4}, {62, 0x58, 8, 6}, {64, 0x58, 8, 8}, {100, 0x5b, 8, 8}, {102, 0x5b, 8, 10}, {104, 0x5c, 8, 0}, {108, 0x5c, 8, 4}, {110, 0x5c, 8, 6}, {112, 0x5c, 8, 8}, {114, 0x5c, 8, 10}, {116, 0x5d, 8, 0}, {118, 0x5d, 8, 2}, {120, 0x5d, 8, 4}, {124, 0x5d, 8, 8}, {126, 0x5d, 8, 10}, {128, 0x5e, 8, 0}, {132, 0x5e, 8, 4}, {134, 0x5e, 8, 6}, {136, 0x5e, 8, 8}, {140, 0x5f, 8, 0}, {149, 0x5f, 8, 9}, {151, 0x5f, 8, 11}, {153, 0x60, 8, 1}, {157, 0x60, 8, 5}, {159, 0x60, 8, 7}, {161, 0x60, 8, 9}, {165, 0x61, 8, 1}, {167, 0x61, 8, 3}, {169, 0x61, 8, 5}, {171, 0x61, 8, 7}, {173, 0x61, 8, 9}, }; static const struct rf_channel rf_vals_5592_xtal20[] = { /* Channel, N, K, mod, R */ {1, 482, 4, 10, 3}, {2, 483, 4, 10, 3}, {3, 484, 4, 10, 3}, {4, 485, 4, 10, 3}, {5, 486, 4, 10, 3}, {6, 487, 4, 10, 3}, {7, 488, 4, 10, 3}, {8, 489, 4, 10, 3}, {9, 490, 4, 10, 3}, {10, 491, 4, 10, 3}, {11, 492, 4, 10, 3}, {12, 493, 4, 10, 3}, {13, 494, 4, 10, 3}, {14, 496, 8, 10, 3}, {36, 172, 8, 12, 1}, {38, 173, 0, 12, 1}, {40, 173, 4, 12, 1}, {42, 173, 8, 12, 1}, {44, 174, 0, 12, 1}, {46, 174, 4, 12, 1}, {48, 174, 8, 12, 1}, {50, 175, 0, 12, 1}, {52, 175, 4, 12, 1}, {54, 175, 8, 12, 1}, {56, 176, 0, 12, 1}, {58, 176, 4, 12, 1}, {60, 176, 8, 12, 1}, {62, 177, 0, 12, 1}, {64, 177, 4, 12, 1}, {100, 183, 4, 12, 1}, {102, 183, 8, 12, 1}, {104, 184, 0, 12, 1}, {106, 184, 4, 12, 1}, {108, 184, 8, 12, 1}, {110, 185, 0, 12, 1}, {112, 185, 4, 12, 1}, {114, 185, 8, 12, 1}, {116, 186, 0, 12, 1}, {118, 186, 4, 12, 1}, {120, 186, 8, 12, 1}, {122, 187, 0, 12, 1}, {124, 187, 4, 12, 1}, {126, 187, 8, 12, 1}, {128, 188, 0, 12, 1}, {130, 188, 4, 12, 1}, {132, 188, 8, 12, 1}, {134, 189, 0, 12, 1}, {136, 189, 4, 12, 1}, {138, 189, 8, 12, 1}, {140, 190, 0, 12, 1}, {149, 191, 6, 12, 1}, {151, 191, 10, 12, 1}, {153, 192, 2, 12, 1}, {155, 192, 6, 12, 1}, {157, 192, 10, 12, 1}, {159, 193, 2, 12, 1}, {161, 193, 6, 12, 1}, {165, 194, 2, 12, 1}, {184, 164, 0, 12, 1}, {188, 164, 4, 12, 1}, {192, 165, 8, 12, 1}, {196, 166, 0, 12, 1}, }; static const struct rf_channel rf_vals_5592_xtal40[] = { /* Channel, N, K, mod, R */ {1, 241, 2, 10, 3}, {2, 241, 7, 10, 3}, {3, 242, 2, 10, 3}, {4, 242, 7, 10, 3}, {5, 243, 2, 10, 3}, {6, 243, 7, 10, 3}, {7, 244, 2, 10, 3}, {8, 244, 7, 10, 3}, {9, 245, 2, 10, 3}, {10, 245, 7, 10, 3}, {11, 246, 2, 10, 3}, {12, 246, 7, 10, 3}, {13, 247, 2, 10, 3}, {14, 248, 4, 10, 3}, {36, 86, 4, 12, 1}, {38, 86, 6, 12, 1}, {40, 86, 8, 12, 1}, {42, 86, 10, 12, 1}, {44, 87, 0, 12, 1}, {46, 87, 2, 12, 1}, {48, 87, 4, 12, 1}, {50, 87, 6, 12, 1}, {52, 87, 8, 12, 1}, {54, 87, 10, 12, 1}, {56, 88, 0, 12, 1}, {58, 88, 2, 12, 1}, {60, 88, 4, 12, 1}, {62, 88, 6, 12, 1}, {64, 88, 8, 12, 1}, {100, 91, 8, 12, 1}, {102, 91, 10, 12, 1}, {104, 92, 0, 12, 1}, {106, 92, 2, 12, 1}, {108, 92, 4, 12, 1}, {110, 92, 6, 12, 1}, {112, 92, 8, 12, 1}, {114, 92, 10, 12, 1}, {116, 93, 0, 12, 1}, {118, 93, 2, 12, 1}, {120, 93, 4, 12, 1}, {122, 93, 6, 12, 1}, {124, 93, 8, 12, 1}, {126, 93, 10, 12, 1}, {128, 94, 0, 12, 1}, {130, 94, 2, 12, 1}, {132, 94, 4, 12, 1}, {134, 94, 6, 12, 1}, {136, 94, 8, 12, 1}, {138, 94, 10, 12, 1}, {140, 95, 0, 12, 1}, {149, 95, 9, 12, 1}, {151, 95, 11, 12, 1}, {153, 96, 1, 12, 1}, {155, 96, 3, 12, 1}, {157, 96, 5, 12, 1}, {159, 96, 7, 12, 1}, {161, 96, 9, 12, 1}, {165, 97, 1, 12, 1}, {184, 82, 0, 12, 1}, {188, 82, 4, 12, 1}, {192, 82, 8, 12, 1}, {196, 83, 0, 12, 1}, }; static const struct rf_channel rf_vals_7620[] = { {1, 0x50, 0x99, 0x99, 1}, {2, 0x50, 0x44, 0x44, 2}, {3, 0x50, 0xEE, 0xEE, 2}, {4, 0x50, 0x99, 0x99, 3}, {5, 0x51, 0x44, 0x44, 0}, {6, 0x51, 0xEE, 0xEE, 0}, {7, 0x51, 0x99, 0x99, 1}, {8, 0x51, 0x44, 0x44, 2}, {9, 0x51, 0xEE, 0xEE, 2}, {10, 0x51, 0x99, 0x99, 3}, {11, 0x52, 0x44, 0x44, 0}, {12, 0x52, 0xEE, 0xEE, 0}, {13, 0x52, 0x99, 0x99, 1}, {14, 0x52, 0x33, 0x33, 3}, }; static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; s8 *default_power1; s8 *default_power2; s8 *default_power3; unsigned int i, tx_chains, rx_chains; u32 reg; /* * Disable powersaving as default. */ rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; /* * Change default retry settings to values corresponding more closely * to rate[0].count setting of minstrel rate control algorithm. */ rt2x00dev->hw->wiphy->retry_short = 2; rt2x00dev->hw->wiphy->retry_long = 2; /* * Initialize all hw fields. */ ieee80211_hw_set(rt2x00dev->hw, REPORTS_TX_ACK_STATUS); ieee80211_hw_set(rt2x00dev->hw, AMPDU_AGGREGATION); ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK); ieee80211_hw_set(rt2x00dev->hw, SIGNAL_DBM); ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_PS); /* * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices * unless we are capable of sending the buffered frames out after the * DTIM transmission using rt2x00lib_beacondone. This will send out * multicast and broadcast traffic immediately instead of buffering it * infinitly and thus dropping it after some time. */ if (!rt2x00_is_usb(rt2x00dev)) ieee80211_hw_set(rt2x00dev->hw, HOST_BROADCAST_PS_BUFFERING); ieee80211_hw_set(rt2x00dev->hw, MFP_CAPABLE); SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0)); /* * As rt2800 has a global fallback table we cannot specify * more then one tx rate per frame but since the hw will * try several rates (based on the fallback table) we should * initialize max_report_rates to the maximum number of rates * we are going to try. Otherwise mac80211 will truncate our * reported tx rates and the rc algortihm will end up with * incorrect data. */ rt2x00dev->hw->max_rates = 1; rt2x00dev->hw->max_report_rates = 7; rt2x00dev->hw->max_rate_tries = 1; /* * Initialize hw_mode information. */ spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; switch (rt2x00dev->chip.rf) { case RF2720: case RF2820: spec->num_channels = 14; spec->channels = rf_vals; break; case RF2750: case RF2850: spec->num_channels = ARRAY_SIZE(rf_vals); spec->channels = rf_vals; break; case RF2020: case RF3020: case RF3021: case RF3022: case RF3070: case RF3290: case RF3320: case RF3322: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: spec->num_channels = 14; if (rt2800_clk_is_20mhz(rt2x00dev)) spec->channels = rf_vals_3x_xtal20; else spec->channels = rf_vals_3x; break; case RF7620: spec->num_channels = ARRAY_SIZE(rf_vals_7620); spec->channels = rf_vals_7620; break; case RF3052: case RF3053: spec->num_channels = ARRAY_SIZE(rf_vals_3x); spec->channels = rf_vals_3x; break; case RF3853: spec->num_channels = ARRAY_SIZE(rf_vals_3853); spec->channels = rf_vals_3853; break; case RF5592: reg = rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX); if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) { spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal40); spec->channels = rf_vals_5592_xtal40; } else { spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal20); spec->channels = rf_vals_5592_xtal20; } break; } if (WARN_ON_ONCE(!spec->channels)) return -ENODEV; spec->supported_bands = SUPPORT_BAND_2GHZ; if (spec->num_channels > 14) spec->supported_bands |= SUPPORT_BAND_5GHZ; /* * Initialize HT information. */ if (!rt2x00_rf(rt2x00dev, RF2020)) spec->ht.ht_supported = true; else spec->ht.ht_supported = false; spec->ht.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40; tx_chains = rt2x00dev->default_ant.tx_chain_num; rx_chains = rt2x00dev->default_ant.rx_chain_num; if (tx_chains >= 2) spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC; spec->ht.cap |= rx_chains << IEEE80211_HT_CAP_RX_STBC_SHIFT; spec->ht.ampdu_factor = (rx_chains > 1) ? 3 : 2; spec->ht.ampdu_density = 4; spec->ht.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; if (tx_chains != rx_chains) { spec->ht.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; spec->ht.mcs.tx_params |= (tx_chains - 1) << IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; } switch (rx_chains) { case 3: spec->ht.mcs.rx_mask[2] = 0xff; fallthrough; case 2: spec->ht.mcs.rx_mask[1] = 0xff; fallthrough; case 1: spec->ht.mcs.rx_mask[0] = 0xff; spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */ break; } /* * Create channel information and survey arrays */ info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; rt2x00dev->chan_survey = kcalloc(spec->num_channels, sizeof(struct rt2x00_chan_survey), GFP_KERNEL); if (!rt2x00dev->chan_survey) { kfree(info); return -ENOMEM; } spec->channels_info = info; default_power1 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1); default_power2 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2); if (rt2x00dev->default_ant.tx_chain_num > 2) default_power3 = rt2800_eeprom_addr(rt2x00dev, EEPROM_EXT_TXPOWER_BG3); else default_power3 = NULL; for (i = 0; i < 14; i++) { info[i].default_power1 = default_power1[i]; info[i].default_power2 = default_power2[i]; if (default_power3) info[i].default_power3 = default_power3[i]; } if (spec->num_channels > 14) { default_power1 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1); default_power2 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2); if (rt2x00dev->default_ant.tx_chain_num > 2) default_power3 = rt2800_eeprom_addr(rt2x00dev, EEPROM_EXT_TXPOWER_A3); else default_power3 = NULL; for (i = 14; i < spec->num_channels; i++) { info[i].default_power1 = default_power1[i - 14]; info[i].default_power2 = default_power2[i - 14]; if (default_power3) info[i].default_power3 = default_power3[i - 14]; } } switch (rt2x00dev->chip.rf) { case RF2020: case RF3020: case RF3021: case RF3022: case RF3320: case RF3052: case RF3053: case RF3070: case RF3290: case RF3853: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: case RF5592: case RF7620: __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags); break; } return 0; } static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev) { u32 reg; u32 rt; u32 rev; if (rt2x00_rt(rt2x00dev, RT3290)) reg = rt2800_register_read(rt2x00dev, MAC_CSR0_3290); else reg = rt2800_register_read(rt2x00dev, MAC_CSR0); rt = rt2x00_get_field32(reg, MAC_CSR0_CHIPSET); rev = rt2x00_get_field32(reg, MAC_CSR0_REVISION); switch (rt) { case RT2860: case RT2872: case RT2883: case RT3070: case RT3071: case RT3090: case RT3290: case RT3352: case RT3390: case RT3572: case RT3593: case RT3883: case RT5350: case RT5390: case RT5392: case RT5592: break; default: rt2x00_err(rt2x00dev, "Invalid RT chipset 0x%04x, rev %04x detected\n", rt, rev); return -ENODEV; } if (rt == RT5390 && rt2x00_is_soc(rt2x00dev)) rt = RT6352; rt2x00_set_rt(rt2x00dev, rt, rev); return 0; } int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; u32 reg; retval = rt2800_probe_rt(rt2x00dev); if (retval) return retval; /* * Allocate eeprom data. */ retval = rt2800_validate_eeprom(rt2x00dev); if (retval) return retval; retval = rt2800_init_eeprom(rt2x00dev); if (retval) return retval; /* * Enable rfkill polling by setting GPIO direction of the * rfkill switch GPIO pin correctly. */ reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); rt2x00_set_field32(®, GPIO_CTRL_DIR2, 1); rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); /* * Initialize hw specifications. */ retval = rt2800_probe_hw_mode(rt2x00dev); if (retval) return retval; /* * Set device capabilities. */ __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags); __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags); if (!rt2x00_is_usb(rt2x00dev)) __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags); /* * Set device requirements. */ if (!rt2x00_is_soc(rt2x00dev)) __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags); __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags); __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags); if (!rt2800_hwcrypt_disabled(rt2x00dev)) __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags); __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags); __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags); if (rt2x00_is_usb(rt2x00dev)) __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags); else { __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags); __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags); } rt2x00dev->link.watchdog = modparam_watchdog; /* USB NICs don't support DMA watchdog as INT_SOURCE_CSR is invalid */ if (rt2x00_is_usb(rt2x00dev)) rt2x00dev->link.watchdog &= ~RT2800_WATCHDOG_DMA_BUSY; if (rt2x00dev->link.watchdog) { __set_bit(CAPABILITY_RESTART_HW, &rt2x00dev->cap_flags); rt2x00dev->link.watchdog_interval = msecs_to_jiffies(100); } /* * Set the rssi offset. */ rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; return 0; } EXPORT_SYMBOL_GPL(rt2800_probe_hw); /* * IEEE80211 stack callback functions. */ void rt2800_get_key_seq(struct ieee80211_hw *hw, struct ieee80211_key_conf *key, struct ieee80211_key_seq *seq) { struct rt2x00_dev *rt2x00dev = hw->priv; struct mac_iveiv_entry iveiv_entry; u32 offset; if (key->cipher != WLAN_CIPHER_SUITE_TKIP) return; offset = MAC_IVEIV_ENTRY(key->hw_key_idx); rt2800_register_multiread(rt2x00dev, offset, &iveiv_entry, sizeof(iveiv_entry)); memcpy(&seq->tkip.iv16, &iveiv_entry.iv[0], 2); memcpy(&seq->tkip.iv32, &iveiv_entry.iv[4], 4); } EXPORT_SYMBOL_GPL(rt2800_get_key_seq); int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { struct rt2x00_dev *rt2x00dev = hw->priv; u32 reg; bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD); reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG); rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, value); rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg); reg = rt2800_register_read(rt2x00dev, CCK_PROT_CFG); rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG); rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG); rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG); rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG); rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG); rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg); return 0; } EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold); int rt2800_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, unsigned int link_id, u16 queue_idx, const struct ieee80211_tx_queue_params *params) { struct rt2x00_dev *rt2x00dev = hw->priv; struct data_queue *queue; struct rt2x00_field32 field; int retval; u32 reg; u32 offset; /* * First pass the configuration through rt2x00lib, that will * update the queue settings and validate the input. After that * we are free to update the registers based on the value * in the queue parameter. */ retval = rt2x00mac_conf_tx(hw, vif, link_id, queue_idx, params); if (retval) return retval; /* * We only need to perform additional register initialization * for WMM queues/ */ if (queue_idx >= 4) return 0; queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx); /* Update WMM TXOP register */ offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2))); field.bit_offset = (queue_idx & 1) * 16; field.bit_mask = 0xffff << field.bit_offset; reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, field, queue->txop); rt2800_register_write(rt2x00dev, offset, reg); /* Update WMM registers */ field.bit_offset = queue_idx * 4; field.bit_mask = 0xf << field.bit_offset; reg = rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG); rt2x00_set_field32(®, field, queue->aifs); rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg); reg = rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG); rt2x00_set_field32(®, field, queue->cw_min); rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg); reg = rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG); rt2x00_set_field32(®, field, queue->cw_max); rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg); /* Update EDCA registers */ offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx); reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, EDCA_AC0_CFG_TX_OP, queue->txop); rt2x00_set_field32(®, EDCA_AC0_CFG_AIFSN, queue->aifs); rt2x00_set_field32(®, EDCA_AC0_CFG_CWMIN, queue->cw_min); rt2x00_set_field32(®, EDCA_AC0_CFG_CWMAX, queue->cw_max); rt2800_register_write(rt2x00dev, offset, reg); return 0; } EXPORT_SYMBOL_GPL(rt2800_conf_tx); u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct rt2x00_dev *rt2x00dev = hw->priv; u64 tsf; u32 reg; reg = rt2800_register_read(rt2x00dev, TSF_TIMER_DW1); tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32; reg = rt2800_register_read(rt2x00dev, TSF_TIMER_DW0); tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD); return tsf; } EXPORT_SYMBOL_GPL(rt2800_get_tsf); int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params) { struct ieee80211_sta *sta = params->sta; enum ieee80211_ampdu_mlme_action action = params->action; u16 tid = params->tid; struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv; int ret = 0; /* * Don't allow aggregation for stations the hardware isn't aware * of because tx status reports for frames to an unknown station * always contain wcid=WCID_END+1 and thus we can't distinguish * between multiple stations which leads to unwanted situations * when the hw reorders frames due to aggregation. */ if (sta_priv->wcid > WCID_END) return -ENOSPC; switch (action) { case IEEE80211_AMPDU_RX_START: case IEEE80211_AMPDU_RX_STOP: /* * The hw itself takes care of setting up BlockAck mechanisms. * So, we only have to allow mac80211 to nagotiate a BlockAck * agreement. Once that is done, the hw will BlockAck incoming * AMPDUs without further setup. */ break; case IEEE80211_AMPDU_TX_START: ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; break; case IEEE80211_AMPDU_TX_STOP_CONT: case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; case IEEE80211_AMPDU_TX_OPERATIONAL: break; default: rt2x00_warn((struct rt2x00_dev *)hw->priv, "Unknown AMPDU action\n"); } return ret; } EXPORT_SYMBOL_GPL(rt2800_ampdu_action); int rt2800_get_survey(struct ieee80211_hw *hw, int idx, struct survey_info *survey) { struct rt2x00_dev *rt2x00dev = hw->priv; struct rt2x00_chan_survey *chan_survey = &rt2x00dev->chan_survey[idx]; enum nl80211_band band = NL80211_BAND_2GHZ; if (idx >= rt2x00dev->bands[band].n_channels) { idx -= rt2x00dev->bands[band].n_channels; band = NL80211_BAND_5GHZ; } if (idx >= rt2x00dev->bands[band].n_channels) return -ENOENT; if (idx == 0) rt2800_update_survey(rt2x00dev); survey->channel = &rt2x00dev->bands[band].channels[idx]; survey->filled = SURVEY_INFO_TIME | SURVEY_INFO_TIME_BUSY | SURVEY_INFO_TIME_EXT_BUSY; survey->time = div_u64(chan_survey->time_idle + chan_survey->time_busy, 1000); survey->time_busy = div_u64(chan_survey->time_busy, 1000); survey->time_ext_busy = div_u64(chan_survey->time_ext_busy, 1000); if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) survey->filled |= SURVEY_INFO_IN_USE; return 0; } EXPORT_SYMBOL_GPL(rt2800_get_survey); MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz"); MODULE_VERSION(DRV_VERSION); MODULE_DESCRIPTION("Ralink RT2800 library"); MODULE_LICENSE("GPL");