/* * Copyright (c) 2008-2011 Atheros Communications 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 "hw.h" #include "hw-ops.h" #include "../regd.h" #include "ar9002_phy.h" /* All code below is for AR5008, AR9001, AR9002 */ static const int firstep_table[] = /* level: 0 1 2 3 4 5 6 7 8 */ { -4, -2, 0, 2, 4, 6, 8, 10, 12 }; /* lvl 0-8, default 2 */ static const int cycpwrThr1_table[] = /* level: 0 1 2 3 4 5 6 7 8 */ { -6, -4, -2, 0, 2, 4, 6, 8 }; /* lvl 0-7, default 3 */ /* * register values to turn OFDM weak signal detection OFF */ static const int m1ThreshLow_off = 127; static const int m2ThreshLow_off = 127; static const int m1Thresh_off = 127; static const int m2Thresh_off = 127; static const int m2CountThr_off = 31; static const int m2CountThrLow_off = 63; static const int m1ThreshLowExt_off = 127; static const int m2ThreshLowExt_off = 127; static const int m1ThreshExt_off = 127; static const int m2ThreshExt_off = 127; static void ar5008_rf_bank_setup(u32 *bank, struct ar5416IniArray *array, int col) { int i; for (i = 0; i < array->ia_rows; i++) bank[i] = INI_RA(array, i, col); } #define REG_WRITE_RF_ARRAY(iniarray, regData, regWr) \ ar5008_write_rf_array(ah, iniarray, regData, &(regWr)) static void ar5008_write_rf_array(struct ath_hw *ah, struct ar5416IniArray *array, u32 *data, unsigned int *writecnt) { int r; ENABLE_REGWRITE_BUFFER(ah); for (r = 0; r < array->ia_rows; r++) { REG_WRITE(ah, INI_RA(array, r, 0), data[r]); DO_DELAY(*writecnt); } REGWRITE_BUFFER_FLUSH(ah); } /** * ar5008_hw_phy_modify_rx_buffer() - perform analog swizzling of parameters * @rfbuf: * @reg32: * @numBits: * @firstBit: * @column: * * Performs analog "swizzling" of parameters into their location. * Used on external AR2133/AR5133 radios. */ static void ar5008_hw_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32, u32 numBits, u32 firstBit, u32 column) { u32 tmp32, mask, arrayEntry, lastBit; int32_t bitPosition, bitsLeft; tmp32 = ath9k_hw_reverse_bits(reg32, numBits); arrayEntry = (firstBit - 1) / 8; bitPosition = (firstBit - 1) % 8; bitsLeft = numBits; while (bitsLeft > 0) { lastBit = (bitPosition + bitsLeft > 8) ? 8 : bitPosition + bitsLeft; mask = (((1 << lastBit) - 1) ^ ((1 << bitPosition) - 1)) << (column * 8); rfBuf[arrayEntry] &= ~mask; rfBuf[arrayEntry] |= ((tmp32 << bitPosition) << (column * 8)) & mask; bitsLeft -= 8 - bitPosition; tmp32 = tmp32 >> (8 - bitPosition); bitPosition = 0; arrayEntry++; } } /* * Fix on 2.4 GHz band for orientation sensitivity issue by increasing * rf_pwd_icsyndiv. * * Theoretical Rules: * if 2 GHz band * if forceBiasAuto * if synth_freq < 2412 * bias = 0 * else if 2412 <= synth_freq <= 2422 * bias = 1 * else // synth_freq > 2422 * bias = 2 * else if forceBias > 0 * bias = forceBias & 7 * else * no change, use value from ini file * else * no change, invalid band * * 1st Mod: * 2422 also uses value of 2 * <approved> * * 2nd Mod: * Less than 2412 uses value of 0, 2412 and above uses value of 2 */ static void ar5008_hw_force_bias(struct ath_hw *ah, u16 synth_freq) { struct ath_common *common = ath9k_hw_common(ah); u32 tmp_reg; int reg_writes = 0; u32 new_bias = 0; if (!AR_SREV_5416(ah) || synth_freq >= 3000) return; BUG_ON(AR_SREV_9280_20_OR_LATER(ah)); if (synth_freq < 2412) new_bias = 0; else if (synth_freq < 2422) new_bias = 1; else new_bias = 2; /* pre-reverse this field */ tmp_reg = ath9k_hw_reverse_bits(new_bias, 3); ath_dbg(common, ATH_DBG_CONFIG, "Force rf_pwd_icsyndiv to %1d on %4d\n", new_bias, synth_freq); /* swizzle rf_pwd_icsyndiv */ ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, tmp_reg, 3, 181, 3); /* write Bank 6 with new params */ REG_WRITE_RF_ARRAY(&ah->iniBank6, ah->analogBank6Data, reg_writes); } /** * ar5008_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios * @ah: atheros hardware structure * @chan: * * For the external AR2133/AR5133 radios, takes the MHz channel value and set * the channel value. Assumes writes enabled to analog bus and bank6 register * cache in ah->analogBank6Data. */ static int ar5008_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan) { struct ath_common *common = ath9k_hw_common(ah); u32 channelSel = 0; u32 bModeSynth = 0; u32 aModeRefSel = 0; u32 reg32 = 0; u16 freq; struct chan_centers centers; ath9k_hw_get_channel_centers(ah, chan, ¢ers); freq = centers.synth_center; if (freq < 4800) { u32 txctl; if (((freq - 2192) % 5) == 0) { channelSel = ((freq - 672) * 2 - 3040) / 10; bModeSynth = 0; } else if (((freq - 2224) % 5) == 0) { channelSel = ((freq - 704) * 2 - 3040) / 10; bModeSynth = 1; } else { ath_err(common, "Invalid channel %u MHz\n", freq); return -EINVAL; } channelSel = (channelSel << 2) & 0xff; channelSel = ath9k_hw_reverse_bits(channelSel, 8); txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL); if (freq == 2484) { REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, txctl | AR_PHY_CCK_TX_CTRL_JAPAN); } else { REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN); } } else if ((freq % 20) == 0 && freq >= 5120) { channelSel = ath9k_hw_reverse_bits(((freq - 4800) / 20 << 2), 8); aModeRefSel = ath9k_hw_reverse_bits(1, 2); } else if ((freq % 10) == 0) { channelSel = ath9k_hw_reverse_bits(((freq - 4800) / 10 << 1), 8); if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) aModeRefSel = ath9k_hw_reverse_bits(2, 2); else aModeRefSel = ath9k_hw_reverse_bits(1, 2); } else if ((freq % 5) == 0) { channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8); aModeRefSel = ath9k_hw_reverse_bits(1, 2); } else { ath_err(common, "Invalid channel %u MHz\n", freq); return -EINVAL; } ar5008_hw_force_bias(ah, freq); reg32 = (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) | (1 << 5) | 0x1; REG_WRITE(ah, AR_PHY(0x37), reg32); ah->curchan = chan; ah->curchan_rad_index = -1; return 0; } /** * ar5008_hw_spur_mitigate - convert baseband spur frequency for external radios * @ah: atheros hardware structure * @chan: * * For non single-chip solutions. Converts to baseband spur frequency given the * input channel frequency and compute register settings below. */ static void ar5008_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan) { int bb_spur = AR_NO_SPUR; int bin, cur_bin; int spur_freq_sd; int spur_delta_phase; int denominator; int upper, lower, cur_vit_mask; int tmp, new; int i; static int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8, AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 }; static int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10, AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 }; static int inc[4] = { 0, 100, 0, 0 }; int8_t mask_m[123]; int8_t mask_p[123]; int8_t mask_amt; int tmp_mask; int cur_bb_spur; bool is2GHz = IS_CHAN_2GHZ(chan); memset(&mask_m, 0, sizeof(int8_t) * 123); memset(&mask_p, 0, sizeof(int8_t) * 123); for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz); if (AR_NO_SPUR == cur_bb_spur) break; cur_bb_spur = cur_bb_spur - (chan->channel * 10); if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) { bb_spur = cur_bb_spur; break; } } if (AR_NO_SPUR == bb_spur) return; bin = bb_spur * 32; tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0)); new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI | AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER | AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK | AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK); REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new); new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL | AR_PHY_SPUR_REG_ENABLE_MASK_PPM | AR_PHY_SPUR_REG_MASK_RATE_SELECT | AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI | SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH)); REG_WRITE(ah, AR_PHY_SPUR_REG, new); spur_delta_phase = ((bb_spur * 524288) / 100) & AR_PHY_TIMING11_SPUR_DELTA_PHASE; denominator = IS_CHAN_2GHZ(chan) ? 440 : 400; spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff; new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC | SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) | SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE)); REG_WRITE(ah, AR_PHY_TIMING11, new); cur_bin = -6000; upper = bin + 100; lower = bin - 100; for (i = 0; i < 4; i++) { int pilot_mask = 0; int chan_mask = 0; int bp = 0; for (bp = 0; bp < 30; bp++) { if ((cur_bin > lower) && (cur_bin < upper)) { pilot_mask = pilot_mask | 0x1 << bp; chan_mask = chan_mask | 0x1 << bp; } cur_bin += 100; } cur_bin += inc[i]; REG_WRITE(ah, pilot_mask_reg[i], pilot_mask); REG_WRITE(ah, chan_mask_reg[i], chan_mask); } cur_vit_mask = 6100; upper = bin + 120; lower = bin - 120; for (i = 0; i < 123; i++) { if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) { /* workaround for gcc bug #37014 */ volatile int tmp_v = abs(cur_vit_mask - bin); if (tmp_v < 75) mask_amt = 1; else mask_amt = 0; if (cur_vit_mask < 0) mask_m[abs(cur_vit_mask / 100)] = mask_amt; else mask_p[cur_vit_mask / 100] = mask_amt; } cur_vit_mask -= 100; } tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28) | (mask_m[48] << 26) | (mask_m[49] << 24) | (mask_m[50] << 22) | (mask_m[51] << 20) | (mask_m[52] << 18) | (mask_m[53] << 16) | (mask_m[54] << 14) | (mask_m[55] << 12) | (mask_m[56] << 10) | (mask_m[57] << 8) | (mask_m[58] << 6) | (mask_m[59] << 4) | (mask_m[60] << 2) | (mask_m[61] << 0); REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask); REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask); tmp_mask = (mask_m[31] << 28) | (mask_m[32] << 26) | (mask_m[33] << 24) | (mask_m[34] << 22) | (mask_m[35] << 20) | (mask_m[36] << 18) | (mask_m[37] << 16) | (mask_m[48] << 14) | (mask_m[39] << 12) | (mask_m[40] << 10) | (mask_m[41] << 8) | (mask_m[42] << 6) | (mask_m[43] << 4) | (mask_m[44] << 2) | (mask_m[45] << 0); REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask); REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask); tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28) | (mask_m[18] << 26) | (mask_m[18] << 24) | (mask_m[20] << 22) | (mask_m[20] << 20) | (mask_m[22] << 18) | (mask_m[22] << 16) | (mask_m[24] << 14) | (mask_m[24] << 12) | (mask_m[25] << 10) | (mask_m[26] << 8) | (mask_m[27] << 6) | (mask_m[28] << 4) | (mask_m[29] << 2) | (mask_m[30] << 0); REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask); REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask); tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28) | (mask_m[2] << 26) | (mask_m[3] << 24) | (mask_m[4] << 22) | (mask_m[5] << 20) | (mask_m[6] << 18) | (mask_m[7] << 16) | (mask_m[8] << 14) | (mask_m[9] << 12) | (mask_m[10] << 10) | (mask_m[11] << 8) | (mask_m[12] << 6) | (mask_m[13] << 4) | (mask_m[14] << 2) | (mask_m[15] << 0); REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask); REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask); tmp_mask = (mask_p[15] << 28) | (mask_p[14] << 26) | (mask_p[13] << 24) | (mask_p[12] << 22) | (mask_p[11] << 20) | (mask_p[10] << 18) | (mask_p[9] << 16) | (mask_p[8] << 14) | (mask_p[7] << 12) | (mask_p[6] << 10) | (mask_p[5] << 8) | (mask_p[4] << 6) | (mask_p[3] << 4) | (mask_p[2] << 2) | (mask_p[1] << 0); REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask); REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask); tmp_mask = (mask_p[30] << 28) | (mask_p[29] << 26) | (mask_p[28] << 24) | (mask_p[27] << 22) | (mask_p[26] << 20) | (mask_p[25] << 18) | (mask_p[24] << 16) | (mask_p[23] << 14) | (mask_p[22] << 12) | (mask_p[21] << 10) | (mask_p[20] << 8) | (mask_p[19] << 6) | (mask_p[18] << 4) | (mask_p[17] << 2) | (mask_p[16] << 0); REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask); REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask); tmp_mask = (mask_p[45] << 28) | (mask_p[44] << 26) | (mask_p[43] << 24) | (mask_p[42] << 22) | (mask_p[41] << 20) | (mask_p[40] << 18) | (mask_p[39] << 16) | (mask_p[38] << 14) | (mask_p[37] << 12) | (mask_p[36] << 10) | (mask_p[35] << 8) | (mask_p[34] << 6) | (mask_p[33] << 4) | (mask_p[32] << 2) | (mask_p[31] << 0); REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask); REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask); tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28) | (mask_p[59] << 26) | (mask_p[58] << 24) | (mask_p[57] << 22) | (mask_p[56] << 20) | (mask_p[55] << 18) | (mask_p[54] << 16) | (mask_p[53] << 14) | (mask_p[52] << 12) | (mask_p[51] << 10) | (mask_p[50] << 8) | (mask_p[49] << 6) | (mask_p[48] << 4) | (mask_p[47] << 2) | (mask_p[46] << 0); REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask); REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask); } /** * ar5008_hw_rf_alloc_ext_banks - allocates banks for external radio programming * @ah: atheros hardware structure * * Only required for older devices with external AR2133/AR5133 radios. */ static int ar5008_hw_rf_alloc_ext_banks(struct ath_hw *ah) { #define ATH_ALLOC_BANK(bank, size) do { \ bank = kzalloc((sizeof(u32) * size), GFP_KERNEL); \ if (!bank) { \ ath_err(common, "Cannot allocate RF banks\n"); \ return -ENOMEM; \ } \ } while (0); struct ath_common *common = ath9k_hw_common(ah); BUG_ON(AR_SREV_9280_20_OR_LATER(ah)); ATH_ALLOC_BANK(ah->analogBank0Data, ah->iniBank0.ia_rows); ATH_ALLOC_BANK(ah->analogBank1Data, ah->iniBank1.ia_rows); ATH_ALLOC_BANK(ah->analogBank2Data, ah->iniBank2.ia_rows); ATH_ALLOC_BANK(ah->analogBank3Data, ah->iniBank3.ia_rows); ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows); ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows); ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows); ATH_ALLOC_BANK(ah->addac5416_21, ah->iniAddac.ia_rows * ah->iniAddac.ia_columns); ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows); return 0; #undef ATH_ALLOC_BANK } /** * ar5008_hw_rf_free_ext_banks - Free memory for analog bank scratch buffers * @ah: atheros hardware struture * For the external AR2133/AR5133 radios banks. */ static void ar5008_hw_rf_free_ext_banks(struct ath_hw *ah) { #define ATH_FREE_BANK(bank) do { \ kfree(bank); \ bank = NULL; \ } while (0); BUG_ON(AR_SREV_9280_20_OR_LATER(ah)); ATH_FREE_BANK(ah->analogBank0Data); ATH_FREE_BANK(ah->analogBank1Data); ATH_FREE_BANK(ah->analogBank2Data); ATH_FREE_BANK(ah->analogBank3Data); ATH_FREE_BANK(ah->analogBank6Data); ATH_FREE_BANK(ah->analogBank6TPCData); ATH_FREE_BANK(ah->analogBank7Data); ATH_FREE_BANK(ah->addac5416_21); ATH_FREE_BANK(ah->bank6Temp); #undef ATH_FREE_BANK } /* * * ar5008_hw_set_rf_regs - programs rf registers based on EEPROM * @ah: atheros hardware structure * @chan: * @modesIndex: * * Used for the external AR2133/AR5133 radios. * * Reads the EEPROM header info from the device structure and programs * all rf registers. This routine requires access to the analog * rf device. This is not required for single-chip devices. */ static bool ar5008_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan, u16 modesIndex) { u32 eepMinorRev; u32 ob5GHz = 0, db5GHz = 0; u32 ob2GHz = 0, db2GHz = 0; int regWrites = 0; /* * Software does not need to program bank data * for single chip devices, that is AR9280 or anything * after that. */ if (AR_SREV_9280_20_OR_LATER(ah)) return true; /* Setup rf parameters */ eepMinorRev = ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV); /* Setup Bank 0 Write */ ar5008_rf_bank_setup(ah->analogBank0Data, &ah->iniBank0, 1); /* Setup Bank 1 Write */ ar5008_rf_bank_setup(ah->analogBank1Data, &ah->iniBank1, 1); /* Setup Bank 2 Write */ ar5008_rf_bank_setup(ah->analogBank2Data, &ah->iniBank2, 1); /* Setup Bank 6 Write */ ar5008_rf_bank_setup(ah->analogBank3Data, &ah->iniBank3, modesIndex); { int i; for (i = 0; i < ah->iniBank6TPC.ia_rows; i++) { ah->analogBank6Data[i] = INI_RA(&ah->iniBank6TPC, i, modesIndex); } } /* Only the 5 or 2 GHz OB/DB need to be set for a mode */ if (eepMinorRev >= 2) { if (IS_CHAN_2GHZ(chan)) { ob2GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_2); db2GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_2); ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, ob2GHz, 3, 197, 0); ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, db2GHz, 3, 194, 0); } else { ob5GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_5); db5GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_5); ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, ob5GHz, 3, 203, 0); ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, db5GHz, 3, 200, 0); } } /* Setup Bank 7 Setup */ ar5008_rf_bank_setup(ah->analogBank7Data, &ah->iniBank7, 1); /* Write Analog registers */ REG_WRITE_RF_ARRAY(&ah->iniBank0, ah->analogBank0Data, regWrites); REG_WRITE_RF_ARRAY(&ah->iniBank1, ah->analogBank1Data, regWrites); REG_WRITE_RF_ARRAY(&ah->iniBank2, ah->analogBank2Data, regWrites); REG_WRITE_RF_ARRAY(&ah->iniBank3, ah->analogBank3Data, regWrites); REG_WRITE_RF_ARRAY(&ah->iniBank6TPC, ah->analogBank6Data, regWrites); REG_WRITE_RF_ARRAY(&ah->iniBank7, ah->analogBank7Data, regWrites); return true; } static void ar5008_hw_init_bb(struct ath_hw *ah, struct ath9k_channel *chan) { u32 synthDelay; synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY; if (IS_CHAN_B(chan)) synthDelay = (4 * synthDelay) / 22; else synthDelay /= 10; if (IS_CHAN_HALF_RATE(chan)) synthDelay *= 2; else if (IS_CHAN_QUARTER_RATE(chan)) synthDelay *= 4; REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN); udelay(synthDelay + BASE_ACTIVATE_DELAY); } static void ar5008_hw_init_chain_masks(struct ath_hw *ah) { int rx_chainmask, tx_chainmask; rx_chainmask = ah->rxchainmask; tx_chainmask = ah->txchainmask; switch (rx_chainmask) { case 0x5: REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, AR_PHY_SWAP_ALT_CHAIN); case 0x3: if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) { REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7); REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7); break; } case 0x1: case 0x2: case 0x7: ENABLE_REGWRITE_BUFFER(ah); REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask); REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask); break; default: ENABLE_REGWRITE_BUFFER(ah); break; } REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask); REGWRITE_BUFFER_FLUSH(ah); if (tx_chainmask == 0x5) { REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, AR_PHY_SWAP_ALT_CHAIN); } if (AR_SREV_9100(ah)) REG_WRITE(ah, AR_PHY_ANALOG_SWAP, REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001); } static void ar5008_hw_override_ini(struct ath_hw *ah, struct ath9k_channel *chan) { u32 val; /* * Set the RX_ABORT and RX_DIS and clear if off only after * RXE is set for MAC. This prevents frames with corrupted * descriptor status. */ REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT)); if (AR_SREV_9280_20_OR_LATER(ah)) { val = REG_READ(ah, AR_PCU_MISC_MODE2); if (!AR_SREV_9271(ah)) val &= ~AR_PCU_MISC_MODE2_HWWAR1; if (AR_SREV_9287_11_OR_LATER(ah)) val = val & (~AR_PCU_MISC_MODE2_HWWAR2); REG_WRITE(ah, AR_PCU_MISC_MODE2, val); } REG_SET_BIT(ah, AR_PHY_CCK_DETECT, AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV); if (AR_SREV_9280_20_OR_LATER(ah)) return; /* * Disable BB clock gating * Necessary to avoid issues on AR5416 2.0 */ REG_WRITE(ah, 0x9800 + (651 << 2), 0x11); /* * Disable RIFS search on some chips to avoid baseband * hang issues. */ if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) { val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS); val &= ~AR_PHY_RIFS_INIT_DELAY; REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val); } } static void ar5008_hw_set_channel_regs(struct ath_hw *ah, struct ath9k_channel *chan) { u32 phymode; u32 enableDacFifo = 0; if (AR_SREV_9285_12_OR_LATER(ah)) enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) & AR_PHY_FC_ENABLE_DAC_FIFO); phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo; if (IS_CHAN_HT40(chan)) { phymode |= AR_PHY_FC_DYN2040_EN; if ((chan->chanmode == CHANNEL_A_HT40PLUS) || (chan->chanmode == CHANNEL_G_HT40PLUS)) phymode |= AR_PHY_FC_DYN2040_PRI_CH; } REG_WRITE(ah, AR_PHY_TURBO, phymode); ath9k_hw_set11nmac2040(ah); ENABLE_REGWRITE_BUFFER(ah); REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S); REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S); REGWRITE_BUFFER_FLUSH(ah); } static int ar5008_hw_process_ini(struct ath_hw *ah, struct ath9k_channel *chan) { struct ath_common *common = ath9k_hw_common(ah); int i, regWrites = 0; u32 modesIndex, freqIndex; switch (chan->chanmode) { case CHANNEL_A: case CHANNEL_A_HT20: modesIndex = 1; freqIndex = 1; break; case CHANNEL_A_HT40PLUS: case CHANNEL_A_HT40MINUS: modesIndex = 2; freqIndex = 1; break; case CHANNEL_G: case CHANNEL_G_HT20: case CHANNEL_B: modesIndex = 4; freqIndex = 2; break; case CHANNEL_G_HT40PLUS: case CHANNEL_G_HT40MINUS: modesIndex = 3; freqIndex = 2; break; default: return -EINVAL; } /* * Set correct baseband to analog shift setting to * access analog chips. */ REG_WRITE(ah, AR_PHY(0), 0x00000007); /* Write ADDAC shifts */ REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO); if (ah->eep_ops->set_addac) ah->eep_ops->set_addac(ah, chan); if (AR_SREV_5416_22_OR_LATER(ah)) { REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites); } else { struct ar5416IniArray temp; u32 addacSize = sizeof(u32) * ah->iniAddac.ia_rows * ah->iniAddac.ia_columns; /* For AR5416 2.0/2.1 */ memcpy(ah->addac5416_21, ah->iniAddac.ia_array, addacSize); /* override CLKDRV value at [row, column] = [31, 1] */ (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0; temp.ia_array = ah->addac5416_21; temp.ia_columns = ah->iniAddac.ia_columns; temp.ia_rows = ah->iniAddac.ia_rows; REG_WRITE_ARRAY(&temp, 1, regWrites); } REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC); ENABLE_REGWRITE_BUFFER(ah); for (i = 0; i < ah->iniModes.ia_rows; i++) { u32 reg = INI_RA(&ah->iniModes, i, 0); u32 val = INI_RA(&ah->iniModes, i, modesIndex); if (reg == AR_AN_TOP2 && ah->need_an_top2_fixup) val &= ~AR_AN_TOP2_PWDCLKIND; REG_WRITE(ah, reg, val); if (reg >= 0x7800 && reg < 0x78a0 && ah->config.analog_shiftreg && (common->bus_ops->ath_bus_type != ATH_USB)) { udelay(100); } DO_DELAY(regWrites); } REGWRITE_BUFFER_FLUSH(ah); if (AR_SREV_9280(ah) || AR_SREV_9287_11_OR_LATER(ah)) REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites); if (AR_SREV_9280(ah) || AR_SREV_9285_12_OR_LATER(ah) || AR_SREV_9287_11_OR_LATER(ah)) REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites); if (AR_SREV_9271_10(ah)) REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only, modesIndex, regWrites); ENABLE_REGWRITE_BUFFER(ah); /* Write common array parameters */ for (i = 0; i < ah->iniCommon.ia_rows; i++) { u32 reg = INI_RA(&ah->iniCommon, i, 0); u32 val = INI_RA(&ah->iniCommon, i, 1); REG_WRITE(ah, reg, val); if (reg >= 0x7800 && reg < 0x78a0 && ah->config.analog_shiftreg && (common->bus_ops->ath_bus_type != ATH_USB)) { udelay(100); } DO_DELAY(regWrites); } REGWRITE_BUFFER_FLUSH(ah); if (AR_SREV_9271(ah)) { if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) == 1) REG_WRITE_ARRAY(&ah->iniModes_high_power_tx_gain_9271, modesIndex, regWrites); else REG_WRITE_ARRAY(&ah->iniModes_normal_power_tx_gain_9271, modesIndex, regWrites); } REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites); if (IS_CHAN_A_FAST_CLOCK(ah, chan)) { REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex, regWrites); } ar5008_hw_override_ini(ah, chan); ar5008_hw_set_channel_regs(ah, chan); ar5008_hw_init_chain_masks(ah); ath9k_olc_init(ah); ath9k_hw_apply_txpower(ah, chan); /* Write analog registers */ if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) { ath_err(ath9k_hw_common(ah), "ar5416SetRfRegs failed\n"); return -EIO; } return 0; } static void ar5008_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan) { u32 rfMode = 0; if (chan == NULL) return; rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan)) ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM; if (!AR_SREV_9280_20_OR_LATER(ah)) rfMode |= (IS_CHAN_5GHZ(chan)) ? AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ; if (IS_CHAN_A_FAST_CLOCK(ah, chan)) rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE); REG_WRITE(ah, AR_PHY_MODE, rfMode); } static void ar5008_hw_mark_phy_inactive(struct ath_hw *ah) { REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS); } static void ar5008_hw_set_delta_slope(struct ath_hw *ah, struct ath9k_channel *chan) { u32 coef_scaled, ds_coef_exp, ds_coef_man; u32 clockMhzScaled = 0x64000000; struct chan_centers centers; if (IS_CHAN_HALF_RATE(chan)) clockMhzScaled = clockMhzScaled >> 1; else if (IS_CHAN_QUARTER_RATE(chan)) clockMhzScaled = clockMhzScaled >> 2; ath9k_hw_get_channel_centers(ah, chan, ¢ers); coef_scaled = clockMhzScaled / centers.synth_center; ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man, &ds_coef_exp); REG_RMW_FIELD(ah, AR_PHY_TIMING3, AR_PHY_TIMING3_DSC_MAN, ds_coef_man); REG_RMW_FIELD(ah, AR_PHY_TIMING3, AR_PHY_TIMING3_DSC_EXP, ds_coef_exp); coef_scaled = (9 * coef_scaled) / 10; ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man, &ds_coef_exp); REG_RMW_FIELD(ah, AR_PHY_HALFGI, AR_PHY_HALFGI_DSC_MAN, ds_coef_man); REG_RMW_FIELD(ah, AR_PHY_HALFGI, AR_PHY_HALFGI_DSC_EXP, ds_coef_exp); } static bool ar5008_hw_rfbus_req(struct ath_hw *ah) { REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN); return ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN, AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT); } static void ar5008_hw_rfbus_done(struct ath_hw *ah) { u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY; if (IS_CHAN_B(ah->curchan)) synthDelay = (4 * synthDelay) / 22; else synthDelay /= 10; udelay(synthDelay + BASE_ACTIVATE_DELAY); REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0); } static void ar5008_restore_chainmask(struct ath_hw *ah) { int rx_chainmask = ah->rxchainmask; if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) { REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask); REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask); } } static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah, struct ath9k_channel *chan) { u32 pll; pll = SM(0x5, AR_RTC_9160_PLL_REFDIV); if (chan && IS_CHAN_HALF_RATE(chan)) pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL); else if (chan && IS_CHAN_QUARTER_RATE(chan)) pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL); if (chan && IS_CHAN_5GHZ(chan)) pll |= SM(0x50, AR_RTC_9160_PLL_DIV); else pll |= SM(0x58, AR_RTC_9160_PLL_DIV); return pll; } static u32 ar5008_hw_compute_pll_control(struct ath_hw *ah, struct ath9k_channel *chan) { u32 pll; pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2; if (chan && IS_CHAN_HALF_RATE(chan)) pll |= SM(0x1, AR_RTC_PLL_CLKSEL); else if (chan && IS_CHAN_QUARTER_RATE(chan)) pll |= SM(0x2, AR_RTC_PLL_CLKSEL); if (chan && IS_CHAN_5GHZ(chan)) pll |= SM(0xa, AR_RTC_PLL_DIV); else pll |= SM(0xb, AR_RTC_PLL_DIV); return pll; } static bool ar5008_hw_ani_control_old(struct ath_hw *ah, enum ath9k_ani_cmd cmd, int param) { struct ar5416AniState *aniState = &ah->curchan->ani; struct ath_common *common = ath9k_hw_common(ah); switch (cmd & ah->ani_function) { case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{ u32 level = param; if (level >= ARRAY_SIZE(ah->totalSizeDesired)) { ath_dbg(common, ATH_DBG_ANI, "level out of range (%u > %zu)\n", level, ARRAY_SIZE(ah->totalSizeDesired)); return false; } REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ, AR_PHY_DESIRED_SZ_TOT_DES, ah->totalSizeDesired[level]); REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1, AR_PHY_AGC_CTL1_COARSE_LOW, ah->coarse_low[level]); REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1, AR_PHY_AGC_CTL1_COARSE_HIGH, ah->coarse_high[level]); REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRPWR, ah->firpwr[level]); if (level > aniState->noiseImmunityLevel) ah->stats.ast_ani_niup++; else if (level < aniState->noiseImmunityLevel) ah->stats.ast_ani_nidown++; aniState->noiseImmunityLevel = level; break; } case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{ static const int m1ThreshLow[] = { 127, 50 }; static const int m2ThreshLow[] = { 127, 40 }; static const int m1Thresh[] = { 127, 0x4d }; static const int m2Thresh[] = { 127, 0x40 }; static const int m2CountThr[] = { 31, 16 }; static const int m2CountThrLow[] = { 63, 48 }; u32 on = param ? 1 : 0; REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_M1_THRESH_LOW, m1ThreshLow[on]); REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_M2_THRESH_LOW, m2ThreshLow[on]); REG_RMW_FIELD(ah, AR_PHY_SFCORR, AR_PHY_SFCORR_M1_THRESH, m1Thresh[on]); REG_RMW_FIELD(ah, AR_PHY_SFCORR, AR_PHY_SFCORR_M2_THRESH, m2Thresh[on]); REG_RMW_FIELD(ah, AR_PHY_SFCORR, AR_PHY_SFCORR_M2COUNT_THR, m2CountThr[on]); REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, m2CountThrLow[on]); REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLow[on]); REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLow[on]); REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, AR_PHY_SFCORR_EXT_M1_THRESH, m1Thresh[on]); REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, AR_PHY_SFCORR_EXT_M2_THRESH, m2Thresh[on]); if (on) REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); else REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); if (!on != aniState->ofdmWeakSigDetectOff) { if (on) ah->stats.ast_ani_ofdmon++; else ah->stats.ast_ani_ofdmoff++; aniState->ofdmWeakSigDetectOff = !on; } break; } case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{ static const int weakSigThrCck[] = { 8, 6 }; u32 high = param ? 1 : 0; REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT, AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK, weakSigThrCck[high]); if (high != aniState->cckWeakSigThreshold) { if (high) ah->stats.ast_ani_cckhigh++; else ah->stats.ast_ani_ccklow++; aniState->cckWeakSigThreshold = high; } break; } case ATH9K_ANI_FIRSTEP_LEVEL:{ static const int firstep[] = { 0, 4, 8 }; u32 level = param; if (level >= ARRAY_SIZE(firstep)) { ath_dbg(common, ATH_DBG_ANI, "level out of range (%u > %zu)\n", level, ARRAY_SIZE(firstep)); return false; } REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRSTEP, firstep[level]); if (level > aniState->firstepLevel) ah->stats.ast_ani_stepup++; else if (level < aniState->firstepLevel) ah->stats.ast_ani_stepdown++; aniState->firstepLevel = level; break; } case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{ static const int cycpwrThr1[] = { 2, 4, 6, 8, 10, 12, 14, 16 }; u32 level = param; if (level >= ARRAY_SIZE(cycpwrThr1)) { ath_dbg(common, ATH_DBG_ANI, "level out of range (%u > %zu)\n", level, ARRAY_SIZE(cycpwrThr1)); return false; } REG_RMW_FIELD(ah, AR_PHY_TIMING5, AR_PHY_TIMING5_CYCPWR_THR1, cycpwrThr1[level]); if (level > aniState->spurImmunityLevel) ah->stats.ast_ani_spurup++; else if (level < aniState->spurImmunityLevel) ah->stats.ast_ani_spurdown++; aniState->spurImmunityLevel = level; break; } case ATH9K_ANI_PRESENT: break; default: ath_dbg(common, ATH_DBG_ANI, "invalid cmd %u\n", cmd); return false; } ath_dbg(common, ATH_DBG_ANI, "ANI parameters:\n"); ath_dbg(common, ATH_DBG_ANI, "noiseImmunityLevel=%d, spurImmunityLevel=%d, ofdmWeakSigDetectOff=%d\n", aniState->noiseImmunityLevel, aniState->spurImmunityLevel, !aniState->ofdmWeakSigDetectOff); ath_dbg(common, ATH_DBG_ANI, "cckWeakSigThreshold=%d, firstepLevel=%d, listenTime=%d\n", aniState->cckWeakSigThreshold, aniState->firstepLevel, aniState->listenTime); ath_dbg(common, ATH_DBG_ANI, "ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n", aniState->ofdmPhyErrCount, aniState->cckPhyErrCount); return true; } static bool ar5008_hw_ani_control_new(struct ath_hw *ah, enum ath9k_ani_cmd cmd, int param) { struct ath_common *common = ath9k_hw_common(ah); struct ath9k_channel *chan = ah->curchan; struct ar5416AniState *aniState = &chan->ani; s32 value, value2; switch (cmd & ah->ani_function) { case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{ /* * on == 1 means ofdm weak signal detection is ON * on == 1 is the default, for less noise immunity * * on == 0 means ofdm weak signal detection is OFF * on == 0 means more noise imm */ u32 on = param ? 1 : 0; /* * make register setting for default * (weak sig detect ON) come from INI file */ int m1ThreshLow = on ? aniState->iniDef.m1ThreshLow : m1ThreshLow_off; int m2ThreshLow = on ? aniState->iniDef.m2ThreshLow : m2ThreshLow_off; int m1Thresh = on ? aniState->iniDef.m1Thresh : m1Thresh_off; int m2Thresh = on ? aniState->iniDef.m2Thresh : m2Thresh_off; int m2CountThr = on ? aniState->iniDef.m2CountThr : m2CountThr_off; int m2CountThrLow = on ? aniState->iniDef.m2CountThrLow : m2CountThrLow_off; int m1ThreshLowExt = on ? aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off; int m2ThreshLowExt = on ? aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off; int m1ThreshExt = on ? aniState->iniDef.m1ThreshExt : m1ThreshExt_off; int m2ThreshExt = on ? aniState->iniDef.m2ThreshExt : m2ThreshExt_off; REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_M1_THRESH_LOW, m1ThreshLow); REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_M2_THRESH_LOW, m2ThreshLow); REG_RMW_FIELD(ah, AR_PHY_SFCORR, AR_PHY_SFCORR_M1_THRESH, m1Thresh); REG_RMW_FIELD(ah, AR_PHY_SFCORR, AR_PHY_SFCORR_M2_THRESH, m2Thresh); REG_RMW_FIELD(ah, AR_PHY_SFCORR, AR_PHY_SFCORR_M2COUNT_THR, m2CountThr); REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, m2CountThrLow); REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt); REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt); REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt); REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt); if (on) REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); else REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW, AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); if (!on != aniState->ofdmWeakSigDetectOff) { ath_dbg(common, ATH_DBG_ANI, "** ch %d: ofdm weak signal: %s=>%s\n", chan->channel, !aniState->ofdmWeakSigDetectOff ? "on" : "off", on ? "on" : "off"); if (on) ah->stats.ast_ani_ofdmon++; else ah->stats.ast_ani_ofdmoff++; aniState->ofdmWeakSigDetectOff = !on; } break; } case ATH9K_ANI_FIRSTEP_LEVEL:{ u32 level = param; if (level >= ARRAY_SIZE(firstep_table)) { ath_dbg(common, ATH_DBG_ANI, "ATH9K_ANI_FIRSTEP_LEVEL: level out of range (%u > %zu)\n", level, ARRAY_SIZE(firstep_table)); return false; } /* * make register setting relative to default * from INI file & cap value */ value = firstep_table[level] - firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] + aniState->iniDef.firstep; if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN) value = ATH9K_SIG_FIRSTEP_SETTING_MIN; if (value > ATH9K_SIG_FIRSTEP_SETTING_MAX) value = ATH9K_SIG_FIRSTEP_SETTING_MAX; REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRSTEP, value); /* * we need to set first step low register too * make register setting relative to default * from INI file & cap value */ value2 = firstep_table[level] - firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] + aniState->iniDef.firstepLow; if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN) value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN; if (value2 > ATH9K_SIG_FIRSTEP_SETTING_MAX) value2 = ATH9K_SIG_FIRSTEP_SETTING_MAX; REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_FIRSTEP_LOW, value2); if (level != aniState->firstepLevel) { ath_dbg(common, ATH_DBG_ANI, "** ch %d: level %d=>%d[def:%d] firstep[level]=%d ini=%d\n", chan->channel, aniState->firstepLevel, level, ATH9K_ANI_FIRSTEP_LVL_NEW, value, aniState->iniDef.firstep); ath_dbg(common, ATH_DBG_ANI, "** ch %d: level %d=>%d[def:%d] firstep_low[level]=%d ini=%d\n", chan->channel, aniState->firstepLevel, level, ATH9K_ANI_FIRSTEP_LVL_NEW, value2, aniState->iniDef.firstepLow); if (level > aniState->firstepLevel) ah->stats.ast_ani_stepup++; else if (level < aniState->firstepLevel) ah->stats.ast_ani_stepdown++; aniState->firstepLevel = level; } break; } case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{ u32 level = param; if (level >= ARRAY_SIZE(cycpwrThr1_table)) { ath_dbg(common, ATH_DBG_ANI, "ATH9K_ANI_SPUR_IMMUNITY_LEVEL: level out of range (%u > %zu)\n", level, ARRAY_SIZE(cycpwrThr1_table)); return false; } /* * make register setting relative to default * from INI file & cap value */ value = cycpwrThr1_table[level] - cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] + aniState->iniDef.cycpwrThr1; if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN) value = ATH9K_SIG_SPUR_IMM_SETTING_MIN; if (value > ATH9K_SIG_SPUR_IMM_SETTING_MAX) value = ATH9K_SIG_SPUR_IMM_SETTING_MAX; REG_RMW_FIELD(ah, AR_PHY_TIMING5, AR_PHY_TIMING5_CYCPWR_THR1, value); /* * set AR_PHY_EXT_CCA for extension channel * make register setting relative to default * from INI file & cap value */ value2 = cycpwrThr1_table[level] - cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] + aniState->iniDef.cycpwrThr1Ext; if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN) value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN; if (value2 > ATH9K_SIG_SPUR_IMM_SETTING_MAX) value2 = ATH9K_SIG_SPUR_IMM_SETTING_MAX; REG_RMW_FIELD(ah, AR_PHY_EXT_CCA, AR_PHY_EXT_TIMING5_CYCPWR_THR1, value2); if (level != aniState->spurImmunityLevel) { ath_dbg(common, ATH_DBG_ANI, "** ch %d: level %d=>%d[def:%d] cycpwrThr1[level]=%d ini=%d\n", chan->channel, aniState->spurImmunityLevel, level, ATH9K_ANI_SPUR_IMMUNE_LVL_NEW, value, aniState->iniDef.cycpwrThr1); ath_dbg(common, ATH_DBG_ANI, "** ch %d: level %d=>%d[def:%d] cycpwrThr1Ext[level]=%d ini=%d\n", chan->channel, aniState->spurImmunityLevel, level, ATH9K_ANI_SPUR_IMMUNE_LVL_NEW, value2, aniState->iniDef.cycpwrThr1Ext); if (level > aniState->spurImmunityLevel) ah->stats.ast_ani_spurup++; else if (level < aniState->spurImmunityLevel) ah->stats.ast_ani_spurdown++; aniState->spurImmunityLevel = level; } break; } case ATH9K_ANI_MRC_CCK: /* * You should not see this as AR5008, AR9001, AR9002 * does not have hardware support for MRC CCK. */ WARN_ON(1); break; case ATH9K_ANI_PRESENT: break; default: ath_dbg(common, ATH_DBG_ANI, "invalid cmd %u\n", cmd); return false; } ath_dbg(common, ATH_DBG_ANI, "ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n", aniState->spurImmunityLevel, !aniState->ofdmWeakSigDetectOff ? "on" : "off", aniState->firstepLevel, !aniState->mrcCCKOff ? "on" : "off", aniState->listenTime, aniState->ofdmPhyErrCount, aniState->cckPhyErrCount); return true; } static void ar5008_hw_do_getnf(struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS]) { int16_t nf; nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR); nfarray[0] = sign_extend32(nf, 8); nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR); nfarray[1] = sign_extend32(nf, 8); nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR); nfarray[2] = sign_extend32(nf, 8); if (!IS_CHAN_HT40(ah->curchan)) return; nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR); nfarray[3] = sign_extend32(nf, 8); nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR); nfarray[4] = sign_extend32(nf, 8); nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR); nfarray[5] = sign_extend32(nf, 8); } /* * Initialize the ANI register values with default (ini) values. * This routine is called during a (full) hardware reset after * all the registers are initialised from the INI. */ static void ar5008_hw_ani_cache_ini_regs(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); struct ath9k_channel *chan = ah->curchan; struct ar5416AniState *aniState = &chan->ani; struct ath9k_ani_default *iniDef; u32 val; iniDef = &aniState->iniDef; ath_dbg(common, ATH_DBG_ANI, "ver %d.%d opmode %u chan %d Mhz/0x%x\n", ah->hw_version.macVersion, ah->hw_version.macRev, ah->opmode, chan->channel, chan->channelFlags); val = REG_READ(ah, AR_PHY_SFCORR); iniDef->m1Thresh = MS(val, AR_PHY_SFCORR_M1_THRESH); iniDef->m2Thresh = MS(val, AR_PHY_SFCORR_M2_THRESH); iniDef->m2CountThr = MS(val, AR_PHY_SFCORR_M2COUNT_THR); val = REG_READ(ah, AR_PHY_SFCORR_LOW); iniDef->m1ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M1_THRESH_LOW); iniDef->m2ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M2_THRESH_LOW); iniDef->m2CountThrLow = MS(val, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW); val = REG_READ(ah, AR_PHY_SFCORR_EXT); iniDef->m1ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH); iniDef->m2ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH); iniDef->m1ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH_LOW); iniDef->m2ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH_LOW); iniDef->firstep = REG_READ_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRSTEP); iniDef->firstepLow = REG_READ_FIELD(ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_FIRSTEP_LOW); iniDef->cycpwrThr1 = REG_READ_FIELD(ah, AR_PHY_TIMING5, AR_PHY_TIMING5_CYCPWR_THR1); iniDef->cycpwrThr1Ext = REG_READ_FIELD(ah, AR_PHY_EXT_CCA, AR_PHY_EXT_TIMING5_CYCPWR_THR1); /* these levels just got reset to defaults by the INI */ aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW; aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW; aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG; aniState->mrcCCKOff = true; /* not available on pre AR9003 */ } static void ar5008_hw_set_nf_limits(struct ath_hw *ah) { ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ; ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ; ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ; ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ; ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ; ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ; } static void ar5008_hw_set_radar_params(struct ath_hw *ah, struct ath_hw_radar_conf *conf) { u32 radar_0 = 0, radar_1 = 0; if (!conf) { REG_CLR_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_ENA); return; } radar_0 |= AR_PHY_RADAR_0_ENA | AR_PHY_RADAR_0_FFT_ENA; radar_0 |= SM(conf->fir_power, AR_PHY_RADAR_0_FIRPWR); radar_0 |= SM(conf->radar_rssi, AR_PHY_RADAR_0_RRSSI); radar_0 |= SM(conf->pulse_height, AR_PHY_RADAR_0_HEIGHT); radar_0 |= SM(conf->pulse_rssi, AR_PHY_RADAR_0_PRSSI); radar_0 |= SM(conf->pulse_inband, AR_PHY_RADAR_0_INBAND); radar_1 |= AR_PHY_RADAR_1_MAX_RRSSI; radar_1 |= AR_PHY_RADAR_1_BLOCK_CHECK; radar_1 |= SM(conf->pulse_maxlen, AR_PHY_RADAR_1_MAXLEN); radar_1 |= SM(conf->pulse_inband_step, AR_PHY_RADAR_1_RELSTEP_THRESH); radar_1 |= SM(conf->radar_inband, AR_PHY_RADAR_1_RELPWR_THRESH); REG_WRITE(ah, AR_PHY_RADAR_0, radar_0); REG_WRITE(ah, AR_PHY_RADAR_1, radar_1); if (conf->ext_channel) REG_SET_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA); else REG_CLR_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA); } static void ar5008_hw_set_radar_conf(struct ath_hw *ah) { struct ath_hw_radar_conf *conf = &ah->radar_conf; conf->fir_power = -33; conf->radar_rssi = 20; conf->pulse_height = 10; conf->pulse_rssi = 24; conf->pulse_inband = 15; conf->pulse_maxlen = 255; conf->pulse_inband_step = 12; conf->radar_inband = 8; } void ar5008_hw_attach_phy_ops(struct ath_hw *ah) { struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah); static const u32 ar5416_cca_regs[6] = { AR_PHY_CCA, AR_PHY_CH1_CCA, AR_PHY_CH2_CCA, AR_PHY_EXT_CCA, AR_PHY_CH1_EXT_CCA, AR_PHY_CH2_EXT_CCA }; priv_ops->rf_set_freq = ar5008_hw_set_channel; priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate; priv_ops->rf_alloc_ext_banks = ar5008_hw_rf_alloc_ext_banks; priv_ops->rf_free_ext_banks = ar5008_hw_rf_free_ext_banks; priv_ops->set_rf_regs = ar5008_hw_set_rf_regs; priv_ops->set_channel_regs = ar5008_hw_set_channel_regs; priv_ops->init_bb = ar5008_hw_init_bb; priv_ops->process_ini = ar5008_hw_process_ini; priv_ops->set_rfmode = ar5008_hw_set_rfmode; priv_ops->mark_phy_inactive = ar5008_hw_mark_phy_inactive; priv_ops->set_delta_slope = ar5008_hw_set_delta_slope; priv_ops->rfbus_req = ar5008_hw_rfbus_req; priv_ops->rfbus_done = ar5008_hw_rfbus_done; priv_ops->restore_chainmask = ar5008_restore_chainmask; priv_ops->do_getnf = ar5008_hw_do_getnf; priv_ops->set_radar_params = ar5008_hw_set_radar_params; if (modparam_force_new_ani) { priv_ops->ani_control = ar5008_hw_ani_control_new; priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs; } else priv_ops->ani_control = ar5008_hw_ani_control_old; if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) priv_ops->compute_pll_control = ar9160_hw_compute_pll_control; else priv_ops->compute_pll_control = ar5008_hw_compute_pll_control; ar5008_hw_set_nf_limits(ah); ar5008_hw_set_radar_conf(ah); memcpy(ah->nf_regs, ar5416_cca_regs, sizeof(ah->nf_regs)); }