/* * Copyright (c) 2013 Qualcomm Atheros, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ #include "opt_ah.h" #include "ah.h" #include "ah_internal.h" #include "ar9300/ar9300.h" /* shorthands to compact tables for readability */ #define OFDM IEEE80211_T_OFDM #define CCK IEEE80211_T_CCK #define TURBO IEEE80211_T_TURBO #define XR ATHEROS_T_XR #define HT IEEE80211_T_HT #define AR9300_NUM_OFDM_RATES 8 #define AR9300_NUM_HT_SS_RATES 8 #define AR9300_NUM_HT_DS_RATES 8 #define AR9300_NUM_HT_TS_RATES 8 /* Array Gain defined for TxBF */ #define AR9300_TXBF_2TX_ARRAY_GAIN 6 /* 2TX/SS 3 */ #define AR9300_TXBF_3TX_ARRAY_GAIN 10 /* 3TX/SS or 3TX/DS 4.8 */ #define AR9300_STBC_3TX_ARRAY_GAIN 10 /* 3TX/SS or 3TX/DS 4.8 */ /* MCS RATE CODES - first and last */ #define AR9300_MCS0_RATE_CODE 0x80 #define AR9300_MCS23_RATE_CODE 0x97 static inline void ar9300_init_rate_txpower_cck(struct ath_hal *ah, const HAL_RATE_TABLE *rt, u_int8_t rates_array[], u_int8_t chainmask); static inline void ar9300_init_rate_txpower_ofdm(struct ath_hal* ah, const HAL_RATE_TABLE *rt, u_int8_t rates_array[], int rt_offset, u_int8_t chainmask); static inline void ar9300_init_rate_txpower_ht(struct ath_hal *ah, const HAL_RATE_TABLE *rt, HAL_BOOL is40, u_int8_t rates_array[], int rt_ss_offset, int rt_ds_offset, int rt_ts_offset, u_int8_t chainmask); static inline void ar9300_init_rate_txpower_stbc(struct ath_hal *ah, const HAL_RATE_TABLE *rt, HAL_BOOL is40, int rt_ss_offset, int rt_ds_offset, int rt_ts_offset, u_int8_t chainmask); static inline void ar9300_adjust_rate_txpower_cdd(struct ath_hal *ah, const HAL_RATE_TABLE *rt, HAL_BOOL is40, int rt_ss_offset, int rt_ds_offset, int rt_ts_offset, u_int8_t chainmask); #define AR9300_11A_RT_OFDM_OFFSET 0 HAL_RATE_TABLE ar9300_11a_table = { 8, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rate_code Preamble dot11Rate Rate */ /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80 | 12), 0 }, /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 }, /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80 | 24), 2 }, /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 }, /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80 | 48), 4 }, /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 }, /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 }, /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 }, }, }; HAL_RATE_TABLE ar9300_11a_half_table = { 8, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rate_code Preamble dot11Rate Rate */ /* 6 Mb */ { AH_TRUE, OFDM, 3000, 0x0b, 0x00, (0x80 | 6), 0 }, /* 9 Mb */ { AH_TRUE, OFDM, 4500, 0x0f, 0x00, 9, 0 }, /* 12 Mb */ { AH_TRUE, OFDM, 6000, 0x0a, 0x00, (0x80 | 12), 2 }, /* 18 Mb */ { AH_TRUE, OFDM, 9000, 0x0e, 0x00, 18, 2 }, /* 24 Mb */ { AH_TRUE, OFDM, 12000, 0x09, 0x00, (0x80 | 24), 4 }, /* 36 Mb */ { AH_TRUE, OFDM, 18000, 0x0d, 0x00, 36, 4 }, /* 48 Mb */ { AH_TRUE, OFDM, 24000, 0x08, 0x00, 48, 4 }, /* 54 Mb */ { AH_TRUE, OFDM, 27000, 0x0c, 0x00, 54, 4 }, }, }; HAL_RATE_TABLE ar9300_11a_quarter_table = { 8, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rate_code Preamble dot11Rate Rate */ /* 6 Mb */ { AH_TRUE, OFDM, 1500, 0x0b, 0x00, (0x80 | 3), 0 }, /* 9 Mb */ { AH_TRUE, OFDM, 2250, 0x0f, 0x00, 4 , 0 }, /* 12 Mb */ { AH_TRUE, OFDM, 3000, 0x0a, 0x00, (0x80 | 6), 2 }, /* 18 Mb */ { AH_TRUE, OFDM, 4500, 0x0e, 0x00, 9, 2 }, /* 24 Mb */ { AH_TRUE, OFDM, 6000, 0x09, 0x00, (0x80 | 12), 4 }, /* 36 Mb */ { AH_TRUE, OFDM, 9000, 0x0d, 0x00, 18, 4 }, /* 48 Mb */ { AH_TRUE, OFDM, 12000, 0x08, 0x00, 24, 4 }, /* 54 Mb */ { AH_TRUE, OFDM, 13500, 0x0c, 0x00, 27, 4 }, }, }; HAL_RATE_TABLE ar9300_turbo_table = { 8, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rate_code Preamble dot11Rate Rate */ /* 6 Mb */ { AH_TRUE, TURBO, 6000, 0x0b, 0x00, (0x80 | 12), 0 }, /* 9 Mb */ { AH_TRUE, TURBO, 9000, 0x0f, 0x00, 18, 0 }, /* 12 Mb */ { AH_TRUE, TURBO, 12000, 0x0a, 0x00, (0x80 | 24), 2 }, /* 18 Mb */ { AH_TRUE, TURBO, 18000, 0x0e, 0x00, 36, 2 }, /* 24 Mb */ { AH_TRUE, TURBO, 24000, 0x09, 0x00, (0x80 | 48), 4 }, /* 36 Mb */ { AH_TRUE, TURBO, 36000, 0x0d, 0x00, 72, 4 }, /* 48 Mb */ { AH_TRUE, TURBO, 48000, 0x08, 0x00, 96, 4 }, /* 54 Mb */ { AH_TRUE, TURBO, 54000, 0x0c, 0x00, 108, 4 }, }, }; HAL_RATE_TABLE ar9300_11b_table = { 4, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rate_code Preamble dot11Rate Rate */ /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80 | 2), 0 }, /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80 | 4), 1 }, /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80 | 11), 1 }, /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80 | 22), 1 }, }, }; /* Venice TODO: round_up_rate() is broken when the rate table does not represent * rates in increasing order e.g. 5.5, 11, 6, 9. * An average rate of 6 Mbps will currently map to 11 Mbps. */ #define AR9300_11G_RT_OFDM_OFFSET 4 HAL_RATE_TABLE ar9300_11g_table = { 12, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rate_code Preamble dot11Rate Rate */ /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80 | 2), 0 }, /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80 | 4), 1 }, /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80 | 11), 2 }, /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80 | 22), 3 }, /* Hardware workaround - remove rates 6, 9 from rate ctrl */ /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, 12, 4 }, /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 4 }, /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6 }, /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6 }, /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8 }, /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8 }, /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8 }, /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8 }, }, }; #if 0 HAL_RATE_TABLE ar9300_xr_table = { 13, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rate_code Preamble dot11Rate Rate */ /* 0.25 Mb */ {AH_TRUE, XR, 250, 0x03, 0x00, (0x80 | 1), 0, 612, 612 }, /* 0.5 Mb */ {AH_TRUE, XR, 500, 0x07, 0x00, (0x80 | 1), 0, 457, 457 }, /* 1 Mb */ {AH_TRUE, XR, 1000, 0x02, 0x00, (0x80 | 2), 1, 228, 228 }, /* 2 Mb */ {AH_TRUE, XR, 2000, 0x06, 0x00, (0x80 | 4), 2, 160, 160 }, /* 3 Mb */ {AH_TRUE, XR, 3000, 0x01, 0x00, (0x80 | 6), 3, 140, 140 }, /* 6 Mb */ {AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80 | 12), 4, 60, 60 }, /* 9 Mb */ {AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 4, 60, 60 }, /* 12 Mb */ {AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80 | 24), 6, 48, 48 }, /* 18 Mb */ {AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6, 48, 48 }, /* 24 Mb */ {AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8, 44, 44 }, /* 36 Mb */ {AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8, 44, 44 }, /* 48 Mb */ {AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8, 44, 44 }, /* 54 Mb */ {AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8, 44, 44 }, }, }; #endif #define AR9300_11NG_RT_OFDM_OFFSET 4 #define AR9300_11NG_RT_HT_SS_OFFSET 12 #define AR9300_11NG_RT_HT_DS_OFFSET 20 #define AR9300_11NG_RT_HT_TS_OFFSET 28 HAL_RATE_TABLE ar9300_11ng_table = { 36, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rate_code Preamble dot11Rate Rate */ /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80 | 2), 0 }, /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80 | 4), 1 }, /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80 | 11), 2 }, /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80 | 22), 3 }, /* Hardware workaround - remove rates 6, 9 from rate ctrl */ /* 6 Mb */ { AH_FALSE, OFDM, 6000, 0x0b, 0x00, 12, 4 }, /* 9 Mb */ { AH_FALSE, OFDM, 9000, 0x0f, 0x00, 18, 4 }, /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6 }, /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6 }, /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8 }, /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8 }, /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8 }, /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8 }, /*--- HT SS rates ---*/ /* 6.5 Mb */ { AH_TRUE, HT, 6500, 0x80, 0x00, 0, 4 }, /* 13 Mb */ { AH_TRUE, HT, 13000, 0x81, 0x00, 1, 6 }, /*19.5 Mb */ { AH_TRUE, HT, 19500, 0x82, 0x00, 2, 6 }, /* 26 Mb */ { AH_TRUE, HT, 26000, 0x83, 0x00, 3, 8 }, /* 39 Mb */ { AH_TRUE, HT, 39000, 0x84, 0x00, 4, 8 }, /* 52 Mb */ { AH_TRUE, HT, 52000, 0x85, 0x00, 5, 8 }, /*58.5 Mb */ { AH_TRUE, HT, 58500, 0x86, 0x00, 6, 8 }, /* 65 Mb */ { AH_TRUE, HT, 65000, 0x87, 0x00, 7, 8 }, /*--- HT DS rates ---*/ /* 13 Mb */ { AH_TRUE, HT, 13000, 0x88, 0x00, 8, 4 }, /* 26 Mb */ { AH_TRUE, HT, 26000, 0x89, 0x00, 9, 6 }, /* 39 Mb */ { AH_TRUE, HT, 39000, 0x8a, 0x00, 10, 6 }, /* 52 Mb */ { AH_TRUE, HT, 52000, 0x8b, 0x00, 11, 8 }, /* 78 Mb */ { AH_TRUE, HT, 78000, 0x8c, 0x00, 12, 8 }, /* 104 Mb */ { AH_TRUE, HT, 104000, 0x8d, 0x00, 13, 8 }, /* 117 Mb */ { AH_TRUE, HT, 117000, 0x8e, 0x00, 14, 8 }, /* 130 Mb */ { AH_TRUE, HT, 130000, 0x8f, 0x00, 15, 8 }, /*--- HT TS rates ---*/ /*19.5 Mb */ { AH_TRUE, HT, 19500, 0x90, 0x00, 16, 4 }, /* 39 Mb */ { AH_TRUE, HT, 39000, 0x91, 0x00, 17, 6 }, /*58.5 Mb */ { AH_TRUE, HT, 58500, 0x92, 0x00, 18, 6 }, /* 78 Mb */ { AH_TRUE, HT, 78000, 0x93, 0x00, 19, 8 }, /* 117 Mb */ { AH_TRUE, HT, 117000, 0x94, 0x00, 20, 8 }, /* 156 Mb */ { AH_TRUE, HT, 156000, 0x95, 0x00, 21, 8 }, /*175.5Mb */ { AH_TRUE, HT, 175500, 0x96, 0x00, 22, 8 }, /* 195 Mb */ { AH_TRUE, HT, 195000, 0x97, 0x00, 23, 8 }, }, }; #define AR9300_11NA_RT_OFDM_OFFSET 0 #define AR9300_11NA_RT_HT_SS_OFFSET 8 #define AR9300_11NA_RT_HT_DS_OFFSET 16 #define AR9300_11NA_RT_HT_TS_OFFSET 24 static HAL_RATE_TABLE ar9300_11na_table = { 32, /* number of rates */ { 0 }, { /* short ctrl */ /* valid rate_code Preamble dot11Rate Rate */ /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80 | 12), 0 }, /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 }, /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80 | 24), 2 }, /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 }, /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80 | 48), 4 }, /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 }, /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 }, /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 }, /*--- HT SS rates ---*/ /* 6.5 Mb */ { AH_TRUE, HT, 6500, 0x80, 0x00, 0, 0 }, /* 13 Mb */ { AH_TRUE, HT, 13000, 0x81, 0x00, 1, 2 }, /*19.5 Mb */ { AH_TRUE, HT, 19500, 0x82, 0x00, 2, 2 }, /* 26 Mb */ { AH_TRUE, HT, 26000, 0x83, 0x00, 3, 4 }, /* 39 Mb */ { AH_TRUE, HT, 39000, 0x84, 0x00, 4, 4 }, /* 52 Mb */ { AH_TRUE, HT, 52000, 0x85, 0x00, 5, 4 }, /*58.5 Mb */ { AH_TRUE, HT, 58500, 0x86, 0x00, 6, 4 }, /* 65 Mb */ { AH_TRUE, HT, 65000, 0x87, 0x00, 7, 4 }, /*--- HT DS rates ---*/ /* 13 Mb */ { AH_TRUE, HT, 13000, 0x88, 0x00, 8, 0 }, /* 26 Mb */ { AH_TRUE, HT, 26000, 0x89, 0x00, 9, 2 }, /* 39 Mb */ { AH_TRUE, HT, 39000, 0x8a, 0x00, 10, 2 }, /* 52 Mb */ { AH_TRUE, HT, 52000, 0x8b, 0x00, 11, 4 }, /* 78 Mb */ { AH_TRUE, HT, 78000, 0x8c, 0x00, 12, 4 }, /* 104 Mb */ { AH_TRUE, HT, 104000, 0x8d, 0x00, 13, 4 }, /* 117 Mb */ { AH_TRUE, HT, 117000, 0x8e, 0x00, 14, 4 }, /* 130 Mb */ { AH_TRUE, HT, 130000, 0x8f, 0x00, 15, 4 }, /*--- HT TS rates ---*/ /*19.5 Mb */ { AH_TRUE, HT, 19500, 0x90, 0x00, 16, 0 }, /* 39 Mb */ { AH_TRUE, HT, 39000, 0x91, 0x00, 17, 2 }, /*58.5 Mb */ { AH_TRUE, HT, 58500, 0x92, 0x00, 18, 2 }, /* 78 Mb */ { AH_TRUE, HT, 78000, 0x93, 0x00, 19, 4 }, /* 117 Mb */ { AH_TRUE, HT, 117000, 0x94, 0x00, 20, 4 }, /* 156 Mb */ { AH_TRUE, HT, 156000, 0x95, 0x00, 21, 4 }, /*175.5Mb */ { AH_TRUE, HT, 175500, 0x96, 0x00, 22, 4 }, /* 195 Mb */ { AH_TRUE, HT, 195000, 0x97, 0x00, 23, 4 }, }, }; #undef OFDM #undef CCK #undef TURBO #undef XR #undef HT #undef HT_HGI const HAL_RATE_TABLE * ar9300_get_rate_table(struct ath_hal *ah, u_int mode) { struct ath_hal_private *ahpriv = AH_PRIVATE(ah); HAL_CAPABILITIES *p_cap = &ahpriv->ah_caps; HAL_RATE_TABLE *rt; switch (mode) { case HAL_MODE_11A: rt = &ar9300_11a_table; break; case HAL_MODE_11A_HALF_RATE: if (p_cap->halChanHalfRate) { rt = &ar9300_11a_half_table; break; } return AH_NULL; case HAL_MODE_11A_QUARTER_RATE: if (p_cap->halChanQuarterRate) { rt = &ar9300_11a_quarter_table; break; } return AH_NULL; case HAL_MODE_11B: rt = &ar9300_11b_table; break; case HAL_MODE_11G: rt = &ar9300_11g_table; break; case HAL_MODE_TURBO: case HAL_MODE_108G: rt = &ar9300_turbo_table; break; #if 0 case HAL_MODE_XR: rt = &ar9300_xr_table; break; #endif case HAL_MODE_11NG_HT20: case HAL_MODE_11NG_HT40PLUS: case HAL_MODE_11NG_HT40MINUS: rt = &ar9300_11ng_table; break; case HAL_MODE_11NA_HT20: case HAL_MODE_11NA_HT40PLUS: case HAL_MODE_11NA_HT40MINUS: rt = &ar9300_11na_table; break; default: HALDEBUG(ah, HAL_DEBUG_CHANNEL, "%s: invalid mode 0x%x\n", __func__, mode); return AH_NULL; } ath_hal_setupratetable(ah, rt); return rt; } static HAL_BOOL ar9300_invalid_stbc_cfg(int tx_chains, u_int8_t rate_code) { switch (tx_chains) { case 0: /* Single Chain */ return AH_TRUE; case 1: /* 2 Chains */ if ((rate_code < 0x80) || (rate_code > 0x87)) { return AH_TRUE; } else { return AH_FALSE; } case 2: /* 3 Chains */ if ((rate_code < 0x80) || (rate_code > 0x87)) { return AH_TRUE; } else { return AH_FALSE; } default: HALASSERT(0); break; } return AH_TRUE; } int16_t ar9300_get_rate_txpower(struct ath_hal *ah, u_int mode, u_int8_t rate_index, u_int8_t chainmask, u_int8_t xmit_mode) { struct ath_hal_9300 *ahp = AH9300(ah); int num_chains = ar9300_get_ntxchains(chainmask); switch (xmit_mode) { case AR9300_DEF_MODE: return ahp->txpower[rate_index][num_chains-1]; case AR9300_STBC_MODE: return ahp->txpower_stbc[rate_index][num_chains-1]; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid mode 0x%x\n", __func__, xmit_mode); HALASSERT(0); break; } return ahp->txpower[rate_index][num_chains-1]; } extern void ar9300_adjust_reg_txpower_cdd(struct ath_hal *ah, u_int8_t power_per_rate[]) { struct ath_hal_9300 *ahp = AH9300(ah); int16_t twice_array_gain, cdd_power = 0; int i; /* * Adjust the upper limit for CDD factoring in the array gain . * The array gain is the same as TxBF, hence reuse the same defines. */ switch (ahp->ah_tx_chainmask) { case OSPREY_1_CHAINMASK: cdd_power = ahp->upper_limit[0]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: twice_array_gain = (ahp->twice_antenna_gain >= ahp->twice_antenna_reduction)? -(AR9300_TXBF_2TX_ARRAY_GAIN) : ((int16_t)AH_MIN((ahp->twice_antenna_reduction - (ahp->twice_antenna_gain + AR9300_TXBF_2TX_ARRAY_GAIN)), 0)); cdd_power = ahp->upper_limit[1] + twice_array_gain; /* Adjust OFDM legacy rates as well */ for (i = ALL_TARGET_LEGACY_6_24; i <= ALL_TARGET_LEGACY_54; i++) { if (power_per_rate[i] > cdd_power) { power_per_rate[i] = cdd_power; } } /* 2Tx/(n-1) stream Adjust rates MCS0 through MCS 7 HT 20*/ for (i = ALL_TARGET_HT20_0_8_16; i <= ALL_TARGET_HT20_7; i++) { if (power_per_rate[i] > cdd_power) { power_per_rate[i] = cdd_power; } } /* 2Tx/(n-1) stream Adjust rates MCS0 through MCS 7 HT 40*/ for (i = ALL_TARGET_HT40_0_8_16; i <= ALL_TARGET_HT40_7; i++) { if (power_per_rate[i] > cdd_power) { power_per_rate[i] = cdd_power; } } break; case OSPREY_3_CHAINMASK: twice_array_gain = (ahp->twice_antenna_gain >= ahp->twice_antenna_reduction)? -(AR9300_TXBF_3TX_ARRAY_GAIN) : ((int16_t)AH_MIN((ahp->twice_antenna_reduction - (ahp->twice_antenna_gain + AR9300_TXBF_3TX_ARRAY_GAIN)), 0)); cdd_power = ahp->upper_limit[2] + twice_array_gain; /* Adjust OFDM legacy rates as well */ for (i = ALL_TARGET_LEGACY_6_24; i <= ALL_TARGET_LEGACY_54; i++) { if (power_per_rate[i] > cdd_power) { power_per_rate[i] = cdd_power; } } /* 3Tx/(n-1)streams Adjust rates MCS0 through MCS 15 HT20 */ for (i = ALL_TARGET_HT20_0_8_16; i <= ALL_TARGET_HT20_15; i++) { if (power_per_rate[i] > cdd_power) { power_per_rate[i] = cdd_power; } } /* 3Tx/(n-1)streams Adjust rates MCS0 through MCS 15 HT40 */ for (i = ALL_TARGET_HT40_0_8_16; i <= ALL_TARGET_HT40_15; i++) { if (power_per_rate[i] > cdd_power) { power_per_rate[i] = cdd_power; } } break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, ahp->ah_tx_chainmask); break; } return; } extern void ar9300_init_rate_txpower(struct ath_hal *ah, u_int mode, const struct ieee80211_channel *chan, u_int8_t power_per_rate[], u_int8_t chainmask) { const HAL_RATE_TABLE *rt; HAL_BOOL is40 = IEEE80211_IS_CHAN_HT40(chan); rt = ar9300_get_rate_table(ah, mode); HALASSERT(rt != NULL); switch (mode) { case HAL_MODE_11A: ar9300_init_rate_txpower_ofdm(ah, rt, power_per_rate, AR9300_11A_RT_OFDM_OFFSET, chainmask); break; case HAL_MODE_11NA_HT20: case HAL_MODE_11NA_HT40PLUS: case HAL_MODE_11NA_HT40MINUS: ar9300_init_rate_txpower_ofdm(ah, rt, power_per_rate, AR9300_11NA_RT_OFDM_OFFSET, chainmask); ar9300_init_rate_txpower_ht(ah, rt, is40, power_per_rate, AR9300_11NA_RT_HT_SS_OFFSET, AR9300_11NA_RT_HT_DS_OFFSET, AR9300_11NA_RT_HT_TS_OFFSET, chainmask); ar9300_init_rate_txpower_stbc(ah, rt, is40, AR9300_11NA_RT_HT_SS_OFFSET, AR9300_11NA_RT_HT_DS_OFFSET, AR9300_11NA_RT_HT_TS_OFFSET, chainmask); /* For FCC the array gain has to be factored for CDD mode */ if (is_reg_dmn_fcc(ath_hal_getctl(ah, chan))) { ar9300_adjust_rate_txpower_cdd(ah, rt, is40, AR9300_11NA_RT_HT_SS_OFFSET, AR9300_11NA_RT_HT_DS_OFFSET, AR9300_11NA_RT_HT_TS_OFFSET, chainmask); } break; case HAL_MODE_11G: ar9300_init_rate_txpower_cck(ah, rt, power_per_rate, chainmask); ar9300_init_rate_txpower_ofdm(ah, rt, power_per_rate, AR9300_11G_RT_OFDM_OFFSET, chainmask); break; case HAL_MODE_11B: ar9300_init_rate_txpower_cck(ah, rt, power_per_rate, chainmask); break; case HAL_MODE_11NG_HT20: case HAL_MODE_11NG_HT40PLUS: case HAL_MODE_11NG_HT40MINUS: ar9300_init_rate_txpower_cck(ah, rt, power_per_rate, chainmask); ar9300_init_rate_txpower_ofdm(ah, rt, power_per_rate, AR9300_11NG_RT_OFDM_OFFSET, chainmask); ar9300_init_rate_txpower_ht(ah, rt, is40, power_per_rate, AR9300_11NG_RT_HT_SS_OFFSET, AR9300_11NG_RT_HT_DS_OFFSET, AR9300_11NG_RT_HT_TS_OFFSET, chainmask); ar9300_init_rate_txpower_stbc(ah, rt, is40, AR9300_11NG_RT_HT_SS_OFFSET, AR9300_11NG_RT_HT_DS_OFFSET, AR9300_11NG_RT_HT_TS_OFFSET, chainmask); /* For FCC the array gain needs to be factored for CDD mode */ if (is_reg_dmn_fcc(ath_hal_getctl(ah, chan))) { ar9300_adjust_rate_txpower_cdd(ah, rt, is40, AR9300_11NG_RT_HT_SS_OFFSET, AR9300_11NG_RT_HT_DS_OFFSET, AR9300_11NG_RT_HT_TS_OFFSET, chainmask); } break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid mode 0x%x\n", __func__, mode); HALASSERT(0); break; } } static inline void ar9300_init_rate_txpower_cck(struct ath_hal *ah, const HAL_RATE_TABLE *rt, u_int8_t rates_array[], u_int8_t chainmask) { struct ath_hal_9300 *ahp = AH9300(ah); /* * Pick the lower of the long-preamble txpower, and short-preamble tx power. * Unfortunately, the rate table doesn't have separate entries for these!. */ switch (chainmask) { case OSPREY_1_CHAINMASK: ahp->txpower[0][0] = rates_array[ALL_TARGET_LEGACY_1L_5L]; ahp->txpower[1][0] = rates_array[ALL_TARGET_LEGACY_1L_5L]; ahp->txpower[2][0] = AH_MIN(rates_array[ALL_TARGET_LEGACY_1L_5L], rates_array[ALL_TARGET_LEGACY_5S]); ahp->txpower[3][0] = AH_MIN(rates_array[ALL_TARGET_LEGACY_11L], rates_array[ALL_TARGET_LEGACY_11S]); break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: ahp->txpower[0][1] = rates_array[ALL_TARGET_LEGACY_1L_5L]; ahp->txpower[1][1] = rates_array[ALL_TARGET_LEGACY_1L_5L]; ahp->txpower[2][1] = AH_MIN(rates_array[ALL_TARGET_LEGACY_1L_5L], rates_array[ALL_TARGET_LEGACY_5S]); ahp->txpower[3][1] = AH_MIN(rates_array[ALL_TARGET_LEGACY_11L], rates_array[ALL_TARGET_LEGACY_11S]); break; case OSPREY_3_CHAINMASK: ahp->txpower[0][2] = rates_array[ALL_TARGET_LEGACY_1L_5L]; ahp->txpower[1][2] = rates_array[ALL_TARGET_LEGACY_1L_5L]; ahp->txpower[2][2] = AH_MIN(rates_array[ALL_TARGET_LEGACY_1L_5L], rates_array[ALL_TARGET_LEGACY_5S]); ahp->txpower[3][2] = AH_MIN(rates_array[ALL_TARGET_LEGACY_11L], rates_array[ALL_TARGET_LEGACY_11S]); break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } } static inline void ar9300_init_rate_txpower_ofdm(struct ath_hal *ah, const HAL_RATE_TABLE *rt, u_int8_t rates_array[], int rt_offset, u_int8_t chainmask) { struct ath_hal_9300 *ahp = AH9300(ah); int16_t twice_array_gain, cdd_power = 0; int i, j; u_int8_t ofdm_rt_2_pwr_idx[8] = { ALL_TARGET_LEGACY_6_24, ALL_TARGET_LEGACY_6_24, ALL_TARGET_LEGACY_6_24, ALL_TARGET_LEGACY_6_24, ALL_TARGET_LEGACY_6_24, ALL_TARGET_LEGACY_36, ALL_TARGET_LEGACY_48, ALL_TARGET_LEGACY_54, }; /* * For FCC adjust the upper limit for CDD factoring in the array gain. * The array gain is the same as TxBF, hence reuse the same defines. */ for (i = rt_offset; i < rt_offset + AR9300_NUM_OFDM_RATES; i++) { /* Get the correct OFDM rate to Power table Index */ j = ofdm_rt_2_pwr_idx[i- rt_offset]; switch (chainmask) { case OSPREY_1_CHAINMASK: ahp->txpower[i][0] = rates_array[j]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: ahp->txpower[i][1] = rates_array[j]; if (is_reg_dmn_fcc(ahp->reg_dmn)){ twice_array_gain = (ahp->twice_antenna_gain >= ahp->twice_antenna_reduction)? -(AR9300_TXBF_2TX_ARRAY_GAIN) : ((int16_t)AH_MIN((ahp->twice_antenna_reduction - (ahp->twice_antenna_gain + AR9300_TXBF_2TX_ARRAY_GAIN)), 0)); cdd_power = ahp->upper_limit[1] + twice_array_gain; if (ahp->txpower[i][1] > cdd_power){ ahp->txpower[i][1] = cdd_power; } } break; case OSPREY_3_CHAINMASK: ahp->txpower[i][2] = rates_array[j]; if (is_reg_dmn_fcc(ahp->reg_dmn)) { twice_array_gain = (ahp->twice_antenna_gain >= ahp->twice_antenna_reduction)? -(AR9300_TXBF_3TX_ARRAY_GAIN): ((int16_t)AH_MIN((ahp->twice_antenna_reduction - (ahp->twice_antenna_gain + AR9300_TXBF_3TX_ARRAY_GAIN)), 0)); cdd_power = ahp->upper_limit[2] + twice_array_gain; if (ahp->txpower[i][2] > cdd_power){ ahp->txpower[i][2] = cdd_power; } } break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } } } static u_int8_t mcs_rate_2_pwr_idx_ht20[24] = { ALL_TARGET_HT20_0_8_16, ALL_TARGET_HT20_1_3_9_11_17_19, ALL_TARGET_HT20_1_3_9_11_17_19, ALL_TARGET_HT20_1_3_9_11_17_19, ALL_TARGET_HT20_4, ALL_TARGET_HT20_5, ALL_TARGET_HT20_6, ALL_TARGET_HT20_7, ALL_TARGET_HT20_0_8_16, ALL_TARGET_HT20_1_3_9_11_17_19, ALL_TARGET_HT20_1_3_9_11_17_19, ALL_TARGET_HT20_1_3_9_11_17_19, ALL_TARGET_HT20_12, ALL_TARGET_HT20_13, ALL_TARGET_HT20_14, ALL_TARGET_HT20_15, ALL_TARGET_HT20_0_8_16, ALL_TARGET_HT20_1_3_9_11_17_19, ALL_TARGET_HT20_1_3_9_11_17_19, ALL_TARGET_HT20_1_3_9_11_17_19, ALL_TARGET_HT20_20, ALL_TARGET_HT20_21, ALL_TARGET_HT20_22, ALL_TARGET_HT20_23 }; static u_int8_t mcs_rate_2_pwr_idx_ht40[24] = { ALL_TARGET_HT40_0_8_16, ALL_TARGET_HT40_1_3_9_11_17_19, ALL_TARGET_HT40_1_3_9_11_17_19, ALL_TARGET_HT40_1_3_9_11_17_19, ALL_TARGET_HT40_4, ALL_TARGET_HT40_5, ALL_TARGET_HT40_6, ALL_TARGET_HT40_7, ALL_TARGET_HT40_0_8_16, ALL_TARGET_HT40_1_3_9_11_17_19, ALL_TARGET_HT40_1_3_9_11_17_19, ALL_TARGET_HT40_1_3_9_11_17_19, ALL_TARGET_HT40_12, ALL_TARGET_HT40_13, ALL_TARGET_HT40_14, ALL_TARGET_HT40_15, ALL_TARGET_HT40_0_8_16, ALL_TARGET_HT40_1_3_9_11_17_19, ALL_TARGET_HT40_1_3_9_11_17_19, ALL_TARGET_HT40_1_3_9_11_17_19, ALL_TARGET_HT40_20, ALL_TARGET_HT40_21, ALL_TARGET_HT40_22, ALL_TARGET_HT40_23, }; static inline void ar9300_init_rate_txpower_ht(struct ath_hal *ah, const HAL_RATE_TABLE *rt, HAL_BOOL is40, u_int8_t rates_array[], int rt_ss_offset, int rt_ds_offset, int rt_ts_offset, u_int8_t chainmask) { struct ath_hal_9300 *ahp = AH9300(ah); int i, j; u_int8_t mcs_index = 0; for (i = rt_ss_offset; i < rt_ss_offset + AR9300_NUM_HT_SS_RATES; i++) { /* Get the correct MCS rate to Power table Index */ j = (is40) ? mcs_rate_2_pwr_idx_ht40[mcs_index] : mcs_rate_2_pwr_idx_ht20[mcs_index]; switch (chainmask) { case OSPREY_1_CHAINMASK: ahp->txpower[i][0] = rates_array[j]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: ahp->txpower[i][1] = rates_array[j]; break; case OSPREY_3_CHAINMASK: ahp->txpower[i][2] = rates_array[j]; break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } mcs_index++; } for (i = rt_ds_offset; i < rt_ds_offset + AR9300_NUM_HT_DS_RATES; i++) { /* Get the correct MCS rate to Power table Index */ j = (is40) ? mcs_rate_2_pwr_idx_ht40[mcs_index] : mcs_rate_2_pwr_idx_ht20[mcs_index]; switch (chainmask) { case OSPREY_1_CHAINMASK: ahp->txpower[i][0] = rates_array[j]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: ahp->txpower[i][1] = rates_array[j]; break; case OSPREY_3_CHAINMASK: ahp->txpower[i][2] = rates_array[j]; break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } mcs_index++; } for (i = rt_ts_offset; i < rt_ts_offset + AR9300_NUM_HT_TS_RATES; i++) { /* Get the correct MCS rate to Power table Index */ j = (is40) ? mcs_rate_2_pwr_idx_ht40[mcs_index] : mcs_rate_2_pwr_idx_ht20[mcs_index]; switch (chainmask) { case OSPREY_1_CHAINMASK: ahp->txpower[i][0] = rates_array[j]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: ahp->txpower[i][1] = rates_array[j]; break; case OSPREY_3_CHAINMASK: ahp->txpower[i][2] = rates_array[j]; break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } mcs_index++; } } static inline void ar9300_init_rate_txpower_stbc(struct ath_hal *ah, const HAL_RATE_TABLE *rt, HAL_BOOL is40, int rt_ss_offset, int rt_ds_offset, int rt_ts_offset, u_int8_t chainmask) { struct ath_hal_9300 *ahp = AH9300(ah); int i; int16_t twice_array_gain, stbc_power = 0; u_int8_t mcs_index = 0; /* Upper Limit with STBC */ switch (chainmask) { case OSPREY_1_CHAINMASK: stbc_power = ahp->upper_limit[0]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: stbc_power = ahp->upper_limit[1]; break; case OSPREY_3_CHAINMASK: stbc_power = ahp->upper_limit[2]; /* Ony FCC requires that we back off with 3 transmit chains */ if (is_reg_dmn_fcc(ahp->reg_dmn)) { twice_array_gain = (ahp->twice_antenna_gain >= ahp->twice_antenna_reduction)? -(AR9300_STBC_3TX_ARRAY_GAIN) : ((int16_t)AH_MIN((ahp->twice_antenna_reduction - (ahp->twice_antenna_gain + AR9300_STBC_3TX_ARRAY_GAIN)), 0)); stbc_power = ahp->upper_limit[2] + twice_array_gain; } break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } for (i = rt_ss_offset; i < rt_ss_offset + AR9300_NUM_HT_SS_RATES; i++) { switch (chainmask) { case OSPREY_1_CHAINMASK: ahp->txpower_stbc[i][0] = ahp->txpower[i][0]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: ahp->txpower_stbc[i][1] = ahp->txpower[i][1]; break; case OSPREY_3_CHAINMASK: ahp->txpower_stbc[i][2] = ahp->txpower[i][2]; /* 3 TX/1 stream STBC gain adjustment */ if (ahp->txpower_stbc[i][2] > stbc_power){ ahp->txpower_stbc[i][2] = stbc_power; } break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } mcs_index++; } for (i = rt_ds_offset; i < rt_ds_offset + AR9300_NUM_HT_DS_RATES; i++) { switch (chainmask) { case OSPREY_1_CHAINMASK: ahp->txpower_stbc[i][0] = ahp->txpower[i][0]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: ahp->txpower_stbc[i][1] = ahp->txpower[i][1]; break; case OSPREY_3_CHAINMASK: ahp->txpower_stbc[i][2] = ahp->txpower[i][2]; /* 3 TX/2 stream STBC gain adjustment */ if (ahp->txpower_stbc[i][2] > stbc_power){ ahp->txpower_stbc[i][2] = stbc_power; } break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } mcs_index++; } for (i = rt_ts_offset; i < rt_ts_offset + AR9300_NUM_HT_TS_RATES; i++) { switch (chainmask) { case OSPREY_1_CHAINMASK: ahp->txpower_stbc[i][0] = ahp->txpower[i][0]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: ahp->txpower_stbc[i][1] = ahp->txpower[i][1]; break; case OSPREY_3_CHAINMASK: ahp->txpower_stbc[i][2] = ahp->txpower[i][2]; break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } mcs_index++; } return; } static inline void ar9300_adjust_rate_txpower_cdd(struct ath_hal *ah, const HAL_RATE_TABLE *rt, HAL_BOOL is40, int rt_ss_offset, int rt_ds_offset, int rt_ts_offset, u_int8_t chainmask) { struct ath_hal_9300 *ahp = AH9300(ah); int i; int16_t twice_array_gain, cdd_power = 0; u_int8_t mcs_index = 0; /* * Adjust the upper limit for CDD factoring in the array gain . * The array gain is the same as TxBF, hence reuse the same defines. */ switch (chainmask) { case OSPREY_1_CHAINMASK: cdd_power = ahp->upper_limit[0]; break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: twice_array_gain = (ahp->twice_antenna_gain >= ahp->twice_antenna_reduction)? -(AR9300_TXBF_2TX_ARRAY_GAIN) : ((int16_t)AH_MIN((ahp->twice_antenna_reduction - (ahp->twice_antenna_gain + AR9300_TXBF_2TX_ARRAY_GAIN)), 0)); cdd_power = ahp->upper_limit[1] + twice_array_gain; break; case OSPREY_3_CHAINMASK: twice_array_gain = (ahp->twice_antenna_gain >= ahp->twice_antenna_reduction)? -(AR9300_TXBF_3TX_ARRAY_GAIN) : ((int16_t)AH_MIN((ahp->twice_antenna_reduction - (ahp->twice_antenna_gain + AR9300_TXBF_3TX_ARRAY_GAIN)), 0)); cdd_power = ahp->upper_limit[2] + twice_array_gain; break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } for (i = rt_ss_offset; i < rt_ss_offset + AR9300_NUM_HT_SS_RATES; i++) { switch (chainmask) { case OSPREY_1_CHAINMASK: break; case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: /* 2 TX/1 stream CDD gain adjustment */ if (ahp->txpower[i][1] > cdd_power){ ahp->txpower[i][1] = cdd_power; } break; case OSPREY_3_CHAINMASK: /* 3 TX/1 stream CDD gain adjustment */ if (ahp->txpower[i][2] > cdd_power){ ahp->txpower[i][2] = cdd_power; } break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } mcs_index++; } for (i = rt_ds_offset; i < rt_ds_offset + AR9300_NUM_HT_DS_RATES; i++) { switch (chainmask) { case OSPREY_1_CHAINMASK: case OSPREY_2LOHI_CHAINMASK: case OSPREY_2LOMID_CHAINMASK: break; case OSPREY_3_CHAINMASK: /* 3 TX/2 stream TxBF gain adjustment */ if (ahp->txpower[i][2] > cdd_power){ ahp->txpower[i][2] = cdd_power; } break; default: HALDEBUG(ah, HAL_DEBUG_POWER_MGMT, "%s: invalid chainmask 0x%x\n", __func__, chainmask); break; } mcs_index++; } return; } void ar9300_disp_tpc_tables(struct ath_hal *ah) { struct ath_hal_9300 *ahp = AH9300(ah); const struct ieee80211_channel *chan = AH_PRIVATE(ah)->ah_curchan; u_int mode = ath_hal_get_curmode(ah, chan); const HAL_RATE_TABLE *rt; int i, j; /* Check whether TPC is enabled */ if (!ah->ah_config.ath_hal_desc_tpc) { ath_hal_printf(ah, "\n TPC Register method in use\n"); return; } rt = ar9300_get_rate_table(ah, mode); HALASSERT(rt != NULL); ath_hal_printf(ah, "\n===TARGET POWER TABLE===\n"); for (j = 0 ; j < ar9300_get_ntxchains(ahp->ah_tx_chainmask) ; j++ ) { for (i = 0; i < rt->rateCount; i++) { int16_t txpower[AR9300_MAX_CHAINS]; txpower[j] = ahp->txpower[i][j]; ath_hal_printf(ah, " Index[%2d] Rate[0x%02x] %6d kbps " "Power (%d Chain) [%2d.%1d dBm]\n", i, rt->info[i].rateCode, rt->info[i].rateKbps, j + 1, txpower[j] / 2, txpower[j]%2 * 5); } } ath_hal_printf(ah, "\n"); ath_hal_printf(ah, "\n\n===TARGET POWER TABLE with STBC===\n"); for ( j = 0 ; j < ar9300_get_ntxchains(ahp->ah_tx_chainmask) ; j++ ) { for (i = 0; i < rt->rateCount; i++) { int16_t txpower[AR9300_MAX_CHAINS]; txpower[j] = ahp->txpower_stbc[i][j]; /* Do not display invalid configurations */ if ((rt->info[i].rateCode < AR9300_MCS0_RATE_CODE) || (rt->info[i].rateCode > AR9300_MCS23_RATE_CODE) || ar9300_invalid_stbc_cfg(j, rt->info[i].rateCode) == AH_TRUE) { continue; } ath_hal_printf(ah, " Index[%2d] Rate[0x%02x] %6d kbps " "Power (%d Chain) [%2d.%1d dBm]\n", i, rt->info[i].rateCode , rt->info[i].rateKbps, j + 1, txpower[j] / 2, txpower[j]%2 * 5); } } ath_hal_printf(ah, "\n"); } /* * The followings are customer specific APIs for querying power limit. * Power limit is based on regulatory domain, chipset, and transmission rate. * Here we only consider EEPROM values, no array gain/CTL considered here. */ struct rate_power_tbl { u_int8_t rateIdx; /* rate index in the rate table */ u_int32_t rateKbps; /* transfer rate in kbs */ u_int8_t rateCode; /* rate for h/w descriptors */ u_int8_t txbf: 1, /* txbf eligible */ stbc: 1, /* stbc eligible */ chain1: 1, /* one-chain eligible */ chain2: 1, /* two-chain eligible */ chain3: 1; /* three-chain eligible */ int16_t txpower[AR9300_MAX_CHAINS]; /* txpower for different chainmasks */ int16_t txpower_stbc[AR9300_MAX_CHAINS]; }; u_int8_t *ar9300_get_tpc_tables(struct ath_hal *ah) { struct ath_hal_9300 *ahp = AH9300(ah); const struct ieee80211_channel *chan = AH_PRIVATE(ah)->ah_curchan; u_int mode = ath_hal_get_curmode(ah, chan); const HAL_RATE_TABLE *rt; u_int8_t *data; struct rate_power_tbl *table; int i, j; /* Check whether TPC is enabled */ if (! ah->ah_config.ath_hal_desc_tpc) { ath_hal_printf(ah, "\n TPC Register method in use\n"); return NULL; } rt = (const HAL_RATE_TABLE *)ar9300_get_rate_table(ah, mode); HALASSERT(rt != NULL); data = (u_int8_t *)ath_hal_malloc( 1 + rt->rateCount * sizeof(struct rate_power_tbl)); if (data == NULL) return NULL; OS_MEMZERO(data, 1 + rt->rateCount * sizeof(struct rate_power_tbl)); /* store the rate count at the beginning */ *data = rt->rateCount; table = (struct rate_power_tbl *)&data[1]; for (j = 0 ; j < ar9300_get_ntxchains(ahp->ah_tx_chainmask) ; j++ ) { for (i = 0; i < rt->rateCount; i++) { table[i].rateIdx = i; table[i].rateCode = rt->info[i].rateCode; table[i].rateKbps = rt->info[i].rateKbps; switch (j) { case 0: table[i].chain1 = rt->info[i].rateCode <= 0x87 ? 1 : 0; break; case 1: table[i].chain2 = rt->info[i].rateCode <= 0x8f ? 1 : 0; break; case 2: table[i].chain3 = 1; break; default: break; } if ((j == 0 && table[i].chain1) || (j == 1 && table[i].chain2) || (j == 2 && table[i].chain3)) table[i].txpower[j] = ahp->txpower[i][j]; } } for ( j = 0 ; j < ar9300_get_ntxchains(ahp->ah_tx_chainmask) ; j++ ) { for (i = 0; i < rt->rateCount; i++) { /* Do not display invalid configurations */ if ((rt->info[i].rateCode < AR9300_MCS0_RATE_CODE) || (rt->info[i].rateCode > AR9300_MCS23_RATE_CODE) || ar9300_invalid_stbc_cfg(j, rt->info[i].rateCode) == AH_TRUE) { continue; } table[i].stbc = 1; table[i].txpower_stbc[j] = ahp->txpower_stbc[i][j]; } } return data; /* the caller is responsible to free data */ } HAL_STATUS ath_hal_get_rate_power_limit_from_eeprom(struct ath_hal *ah, u_int16_t freq, int8_t *max_rate_power, int8_t *min_rate_power) { /* * Used for AR9300 series chip only */ if (ah->ah_magic == AR9300_MAGIC) { u_int8_t target_rate_power_limit_val_t2[ar9300_rate_size]; int i; *max_rate_power = 0; *min_rate_power = AR9300_MAX_RATE_POWER; ar9300_set_target_power_from_eeprom(ah, freq, target_rate_power_limit_val_t2); for (i=0; i *max_rate_power) *max_rate_power = target_rate_power_limit_val_t2[i]; if (target_rate_power_limit_val_t2[i] < *min_rate_power) *min_rate_power = target_rate_power_limit_val_t2[i]; } } else { *max_rate_power = 0; *min_rate_power = 0; } return HAL_OK; }