1/****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2005 - 2010 Intel Corporation. All rights reserved. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of version 2 of the GNU General Public License as 12 * published by the Free Software Foundation. 13 * 14 * This program is distributed in the hope that it will be useful, but 15 * WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 22 * USA 23 * 24 * The full GNU General Public License is included in this distribution 25 * in the file called LICENSE.GPL. 26 * 27 * Contact Information: 28 * Intel Linux Wireless <ilw@linux.intel.com> 29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 30 * 31 * BSD LICENSE 32 * 33 * Copyright(c) 2005 - 2010 Intel Corporation. All rights reserved. 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 40 * * Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * * Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in 44 * the documentation and/or other materials provided with the 45 * distribution. 46 * * Neither the name Intel Corporation nor the names of its 47 * contributors may be used to endorse or promote products derived 48 * from this software without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 61 * 62 *****************************************************************************/ 63#ifndef __iwl_csr_h__ 64#define __iwl_csr_h__ 65/* 66 * CSR (control and status registers) 67 * 68 * CSR registers are mapped directly into PCI bus space, and are accessible 69 * whenever platform supplies power to device, even when device is in 70 * low power states due to driver-invoked device resets 71 * (e.g. CSR_RESET_REG_FLAG_SW_RESET) or uCode-driven power-saving modes. 72 * 73 * Use iwl_write32() and iwl_read32() family to access these registers; 74 * these provide simple PCI bus access, without waking up the MAC. 75 * Do not use iwl_write_direct32() family for these registers; 76 * no need to "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ. 77 * The MAC (uCode processor, etc.) does not need to be powered up for accessing 78 * the CSR registers. 79 * 80 * NOTE: Device does need to be awake in order to read this memory 81 * via CSR_EEPROM and CSR_OTP registers 82 */ 83#define CSR_BASE (0x000) 84 85#define CSR_HW_IF_CONFIG_REG (CSR_BASE+0x000) /* hardware interface config */ 86#define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */ 87#define CSR_INT (CSR_BASE+0x008) /* host interrupt status/ack */ 88#define CSR_INT_MASK (CSR_BASE+0x00c) /* host interrupt enable */ 89#define CSR_FH_INT_STATUS (CSR_BASE+0x010) /* busmaster int status/ack*/ 90#define CSR_GPIO_IN (CSR_BASE+0x018) /* read external chip pins */ 91#define CSR_RESET (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/ 92#define CSR_GP_CNTRL (CSR_BASE+0x024) 93 94/* 2nd byte of CSR_INT_COALESCING, not accessible via iwl_write32()! */ 95#define CSR_INT_PERIODIC_REG (CSR_BASE+0x005) 96 97#define CSR_HW_REV (CSR_BASE+0x028) 98 99/* 100 * EEPROM and OTP (one-time-programmable) memory reads 101 * 102 * NOTE: Device must be awake, initialized via apm_ops.init(), 103 * in order to read. 104 */ 105#define CSR_EEPROM_REG (CSR_BASE+0x02c) 106#define CSR_EEPROM_GP (CSR_BASE+0x030) 107#define CSR_OTP_GP_REG (CSR_BASE+0x034) 108 109#define CSR_GIO_REG (CSR_BASE+0x03C) 110#define CSR_GP_UCODE_REG (CSR_BASE+0x048) 111#define CSR_GP_DRIVER_REG (CSR_BASE+0x050) 112 113/* 114 * UCODE-DRIVER GP (general purpose) mailbox registers. 115 * SET/CLR registers set/clear bit(s) if "1" is written. 116 */ 117#define CSR_UCODE_DRV_GP1 (CSR_BASE+0x054) 118#define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) 119#define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) 120#define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) 121 122#define CSR_LED_REG (CSR_BASE+0x094) 123#define CSR_DRAM_INT_TBL_REG (CSR_BASE+0x0A0) 124 125/* GIO Chicken Bits (PCI Express bus link power management) */ 126#define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) 127 128/* Analog phase-lock-loop configuration */ 129#define CSR_ANA_PLL_CFG (CSR_BASE+0x20c) 130 131#define CSR_HW_REV_WA_REG (CSR_BASE+0x22C) 132 133#define CSR_DBG_HPET_MEM_REG (CSR_BASE+0x240) 134#define CSR_DBG_LINK_PWR_MGMT_REG (CSR_BASE+0x250) 135 136/* Bits for CSR_HW_IF_CONFIG_REG */ 137#define CSR49_HW_IF_CONFIG_REG_BIT_4965_R (0x00000010) 138#define CSR_HW_IF_CONFIG_REG_MSK_BOARD_VER (0x00000C00) 139#define CSR_HW_IF_CONFIG_REG_BIT_MAC_SI (0x00000100) 140#define CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI (0x00000200) 141 142#define CSR39_HW_IF_CONFIG_REG_BIT_3945_MB (0x00000100) 143#define CSR39_HW_IF_CONFIG_REG_BIT_3945_MM (0x00000200) 144#define CSR39_HW_IF_CONFIG_REG_BIT_SKU_MRC (0x00000400) 145#define CSR39_HW_IF_CONFIG_REG_BIT_BOARD_TYPE (0x00000800) 146#define CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_A (0x00000000) 147#define CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_B (0x00001000) 148 149#define CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A (0x00080000) 150#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000) 151#define CSR_HW_IF_CONFIG_REG_BIT_NIC_READY (0x00400000) /* PCI_OWN_SEM */ 152#define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE (0x02000000) /* ME_OWN */ 153#define CSR_HW_IF_CONFIG_REG_PREPARE (0x08000000) /* WAKE_ME */ 154 155#define CSR_INT_PERIODIC_DIS (0x00) /* disable periodic int*/ 156#define CSR_INT_PERIODIC_ENA (0xFF) /* 255*32 usec ~ 8 msec*/ 157 158/* interrupt flags in INTA, set by uCode or hardware (e.g. dma), 159 * acknowledged (reset) by host writing "1" to flagged bits. */ 160#define CSR_INT_BIT_FH_RX (1 << 31) /* Rx DMA, cmd responses, FH_INT[17:16] */ 161#define CSR_INT_BIT_HW_ERR (1 << 29) /* DMA hardware error FH_INT[31] */ 162#define CSR_INT_BIT_RX_PERIODIC (1 << 28) /* Rx periodic */ 163#define CSR_INT_BIT_FH_TX (1 << 27) /* Tx DMA FH_INT[1:0] */ 164#define CSR_INT_BIT_SCD (1 << 26) /* TXQ pointer advanced */ 165#define CSR_INT_BIT_SW_ERR (1 << 25) /* uCode error */ 166#define CSR_INT_BIT_RF_KILL (1 << 7) /* HW RFKILL switch GP_CNTRL[27] toggled */ 167#define CSR_INT_BIT_CT_KILL (1 << 6) /* Critical temp (chip too hot) rfkill */ 168#define CSR_INT_BIT_SW_RX (1 << 3) /* Rx, command responses, 3945 */ 169#define CSR_INT_BIT_WAKEUP (1 << 1) /* NIC controller waking up (pwr mgmt) */ 170#define CSR_INT_BIT_ALIVE (1 << 0) /* uCode interrupts once it initializes */ 171 172#define CSR_INI_SET_MASK (CSR_INT_BIT_FH_RX | \ 173 CSR_INT_BIT_HW_ERR | \ 174 CSR_INT_BIT_FH_TX | \ 175 CSR_INT_BIT_SW_ERR | \ 176 CSR_INT_BIT_RF_KILL | \ 177 CSR_INT_BIT_SW_RX | \ 178 CSR_INT_BIT_WAKEUP | \ 179 CSR_INT_BIT_ALIVE) 180 181/* interrupt flags in FH (flow handler) (PCI busmaster DMA) */ 182#define CSR_FH_INT_BIT_ERR (1 << 31) /* Error */ 183#define CSR_FH_INT_BIT_HI_PRIOR (1 << 30) /* High priority Rx, bypass coalescing */ 184#define CSR39_FH_INT_BIT_RX_CHNL2 (1 << 18) /* Rx channel 2 (3945 only) */ 185#define CSR_FH_INT_BIT_RX_CHNL1 (1 << 17) /* Rx channel 1 */ 186#define CSR_FH_INT_BIT_RX_CHNL0 (1 << 16) /* Rx channel 0 */ 187#define CSR39_FH_INT_BIT_TX_CHNL6 (1 << 6) /* Tx channel 6 (3945 only) */ 188#define CSR_FH_INT_BIT_TX_CHNL1 (1 << 1) /* Tx channel 1 */ 189#define CSR_FH_INT_BIT_TX_CHNL0 (1 << 0) /* Tx channel 0 */ 190 191#define CSR39_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ 192 CSR39_FH_INT_BIT_RX_CHNL2 | \ 193 CSR_FH_INT_BIT_RX_CHNL1 | \ 194 CSR_FH_INT_BIT_RX_CHNL0) 195 196 197#define CSR39_FH_INT_TX_MASK (CSR39_FH_INT_BIT_TX_CHNL6 | \ 198 CSR_FH_INT_BIT_TX_CHNL1 | \ 199 CSR_FH_INT_BIT_TX_CHNL0) 200 201#define CSR49_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ 202 CSR_FH_INT_BIT_RX_CHNL1 | \ 203 CSR_FH_INT_BIT_RX_CHNL0) 204 205#define CSR49_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL1 | \ 206 CSR_FH_INT_BIT_TX_CHNL0) 207 208/* GPIO */ 209#define CSR_GPIO_IN_BIT_AUX_POWER (0x00000200) 210#define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0x00000000) 211#define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC (0x00000200) 212 213/* RESET */ 214#define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001) 215#define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002) 216#define CSR_RESET_REG_FLAG_SW_RESET (0x00000080) 217#define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100) 218#define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200) 219#define CSR_RESET_LINK_PWR_MGMT_DISABLED (0x80000000) 220 221/* 222 * GP (general purpose) CONTROL REGISTER 223 * Bit fields: 224 * 27: HW_RF_KILL_SW 225 * Indicates state of (platform's) hardware RF-Kill switch 226 * 26-24: POWER_SAVE_TYPE 227 * Indicates current power-saving mode: 228 * 000 -- No power saving 229 * 001 -- MAC power-down 230 * 010 -- PHY (radio) power-down 231 * 011 -- Error 232 * 9-6: SYS_CONFIG 233 * Indicates current system configuration, reflecting pins on chip 234 * as forced high/low by device circuit board. 235 * 4: GOING_TO_SLEEP 236 * Indicates MAC is entering a power-saving sleep power-down. 237 * Not a good time to access device-internal resources. 238 * 3: MAC_ACCESS_REQ 239 * Host sets this to request and maintain MAC wakeup, to allow host 240 * access to device-internal resources. Host must wait for 241 * MAC_CLOCK_READY (and !GOING_TO_SLEEP) before accessing non-CSR 242 * device registers. 243 * 2: INIT_DONE 244 * Host sets this to put device into fully operational D0 power mode. 245 * Host resets this after SW_RESET to put device into low power mode. 246 * 0: MAC_CLOCK_READY 247 * Indicates MAC (ucode processor, etc.) is powered up and can run. 248 * Internal resources are accessible. 249 * NOTE: This does not indicate that the processor is actually running. 250 * NOTE: This does not indicate that 4965 or 3945 has completed 251 * init or post-power-down restore of internal SRAM memory. 252 * Use CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP as indication that 253 * SRAM is restored and uCode is in normal operation mode. 254 * Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and 255 * do not need to save/restore it. 256 * NOTE: After device reset, this bit remains "0" until host sets 257 * INIT_DONE 258 */ 259#define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY (0x00000001) 260#define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) 261#define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0x00000008) 262#define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) 263 264#define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0x00000001) 265 266#define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000) 267#define CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE (0x04000000) 268#define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000) 269 270 271/* HW REV */ 272#define CSR_HW_REV_TYPE_MSK (0x00000F0) 273#define CSR_HW_REV_TYPE_3945 (0x00000D0) 274#define CSR_HW_REV_TYPE_4965 (0x0000000) 275#define CSR_HW_REV_TYPE_5300 (0x0000020) 276#define CSR_HW_REV_TYPE_5350 (0x0000030) 277#define CSR_HW_REV_TYPE_5100 (0x0000050) 278#define CSR_HW_REV_TYPE_5150 (0x0000040) 279#define CSR_HW_REV_TYPE_1000 (0x0000060) 280#define CSR_HW_REV_TYPE_6x00 (0x0000070) 281#define CSR_HW_REV_TYPE_6x50 (0x0000080) 282#define CSR_HW_REV_TYPE_6x50g2 (0x0000084) 283#define CSR_HW_REV_TYPE_6x00g2 (0x00000B0) 284#define CSR_HW_REV_TYPE_NONE (0x00000F0) 285 286/* EEPROM REG */ 287#define CSR_EEPROM_REG_READ_VALID_MSK (0x00000001) 288#define CSR_EEPROM_REG_BIT_CMD (0x00000002) 289#define CSR_EEPROM_REG_MSK_ADDR (0x0000FFFC) 290#define CSR_EEPROM_REG_MSK_DATA (0xFFFF0000) 291 292/* EEPROM GP */ 293#define CSR_EEPROM_GP_VALID_MSK (0x00000007) /* signature */ 294#define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) 295#define CSR_EEPROM_GP_BAD_SIGNATURE_BOTH_EEP_AND_OTP (0x00000000) 296#define CSR_EEPROM_GP_BAD_SIG_EEP_GOOD_SIG_OTP (0x00000001) 297#define CSR_EEPROM_GP_GOOD_SIG_EEP_LESS_THAN_4K (0x00000002) 298#define CSR_EEPROM_GP_GOOD_SIG_EEP_MORE_THAN_4K (0x00000004) 299 300/* One-time-programmable memory general purpose reg */ 301#define CSR_OTP_GP_REG_DEVICE_SELECT (0x00010000) /* 0 - EEPROM, 1 - OTP */ 302#define CSR_OTP_GP_REG_OTP_ACCESS_MODE (0x00020000) /* 0 - absolute, 1 - relative */ 303#define CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK (0x00100000) /* bit 20 */ 304#define CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK (0x00200000) /* bit 21 */ 305 306/* GP REG */ 307#define CSR_GP_REG_POWER_SAVE_STATUS_MSK (0x03000000) /* bit 24/25 */ 308#define CSR_GP_REG_NO_POWER_SAVE (0x00000000) 309#define CSR_GP_REG_MAC_POWER_SAVE (0x01000000) 310#define CSR_GP_REG_PHY_POWER_SAVE (0x02000000) 311#define CSR_GP_REG_POWER_SAVE_ERROR (0x03000000) 312 313 314/* CSR GIO */ 315#define CSR_GIO_REG_VAL_L0S_ENABLED (0x00000002) 316 317/* 318 * UCODE-DRIVER GP (general purpose) mailbox register 1 319 * Host driver and uCode write and/or read this register to communicate with 320 * each other. 321 * Bit fields: 322 * 4: UCODE_DISABLE 323 * Host sets this to request permanent halt of uCode, same as 324 * sending CARD_STATE command with "halt" bit set. 325 * 3: CT_KILL_EXIT 326 * Host sets this to request exit from CT_KILL state, i.e. host thinks 327 * device temperature is low enough to continue normal operation. 328 * 2: CMD_BLOCKED 329 * Host sets this during RF KILL power-down sequence (HW, SW, CT KILL) 330 * to release uCode to clear all Tx and command queues, enter 331 * unassociated mode, and power down. 332 * NOTE: Some devices also use HBUS_TARG_MBX_C register for this bit. 333 * 1: SW_BIT_RFKILL 334 * Host sets this when issuing CARD_STATE command to request 335 * device sleep. 336 * 0: MAC_SLEEP 337 * uCode sets this when preparing a power-saving power-down. 338 * uCode resets this when power-up is complete and SRAM is sane. 339 * NOTE: 3945/4965 saves internal SRAM data to host when powering down, 340 * and must restore this data after powering back up. 341 * MAC_SLEEP is the best indication that restore is complete. 342 * Later devices (5xxx/6xxx/1xxx) use non-volatile SRAM, and 343 * do not need to save/restore it. 344 */ 345#define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0x00000001) 346#define CSR_UCODE_SW_BIT_RFKILL (0x00000002) 347#define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0x00000004) 348#define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0x00000008) 349 350/* GP Driver */ 351#define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_MSK (0x00000003) 352#define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_3x3_HYB (0x00000000) 353#define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB (0x00000001) 354#define CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA (0x00000002) 355#define CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6 (0x00000004) 356 357/* GIO Chicken Bits (PCI Express bus link power management) */ 358#define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000) 359#define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000) 360 361/* LED */ 362#define CSR_LED_BSM_CTRL_MSK (0xFFFFFFDF) 363#define CSR_LED_REG_TRUN_ON (0x78) 364#define CSR_LED_REG_TRUN_OFF (0x38) 365 366/* ANA_PLL */ 367#define CSR39_ANA_PLL_CFG_VAL (0x01000000) 368#define CSR50_ANA_PLL_CFG_VAL (0x00880300) 369 370/* HPET MEM debug */ 371#define CSR_DBG_HPET_MEM_REG_VAL (0xFFFF0000) 372 373/* DRAM INT TABLE */ 374#define CSR_DRAM_INT_TBL_ENABLE (1 << 31) 375#define CSR_DRAM_INIT_TBL_WRAP_CHECK (1 << 27) 376 377/* 378 * HBUS (Host-side Bus) 379 * 380 * HBUS registers are mapped directly into PCI bus space, but are used 381 * to indirectly access device's internal memory or registers that 382 * may be powered-down. 383 * 384 * Use iwl_write_direct32()/iwl_read_direct32() family for these registers; 385 * host must "grab nic access" via CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ 386 * to make sure the MAC (uCode processor, etc.) is powered up for accessing 387 * internal resources. 388 * 389 * Do not use iwl_write32()/iwl_read32() family to access these registers; 390 * these provide only simple PCI bus access, without waking up the MAC. 391 */ 392#define HBUS_BASE (0x400) 393 394/* 395 * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM 396 * structures, error log, event log, verifying uCode load). 397 * First write to address register, then read from or write to data register 398 * to complete the job. Once the address register is set up, accesses to 399 * data registers auto-increment the address by one dword. 400 * Bit usage for address registers (read or write): 401 * 0-31: memory address within device 402 */ 403#define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) 404#define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) 405#define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) 406#define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) 407 408#define HBUS_TARG_MBX_C (HBUS_BASE+0x030) 409#define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED (0x00000004) 410 411/* 412 * Registers for accessing device's internal peripheral registers 413 * (e.g. SCD, BSM, etc.). First write to address register, 414 * then read from or write to data register to complete the job. 415 * Bit usage for address registers (read or write): 416 * 0-15: register address (offset) within device 417 * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) 418 */ 419#define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) 420#define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) 421#define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) 422#define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) 423 424/* 425 * Per-Tx-queue write pointer (index, really!) 426 * Indicates index to next TFD that driver will fill (1 past latest filled). 427 * Bit usage: 428 * 0-7: queue write index 429 * 11-8: queue selector 430 */ 431#define HBUS_TARG_WRPTR (HBUS_BASE+0x060) 432 433#endif /* !__iwl_csr_h__ */ 434