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path: root/drivers/net/wireless/ath/ath9k/ar5008_phy.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar5008_phy.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar5008_phy.c1370
1 files changed, 1370 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
new file mode 100644
index 0000000..7922550
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -0,0 +1,1370 @@
+/*
+ * 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"
+#include "ar5008_initvals.h"
+
+/* All code below is for AR5008, AR9001, AR9002 */
+
+#define AR5008_OFDM_RATES 8
+#define AR5008_HT_SS_RATES 8
+#define AR5008_HT_DS_RATES 8
+
+#define AR5008_HT20_SHIFT 16
+#define AR5008_HT40_SHIFT 24
+
+#define AR5008_11NA_OFDM_SHIFT 0
+#define AR5008_11NA_HT_SS_SHIFT 8
+#define AR5008_11NA_HT_DS_SHIFT 16
+
+#define AR5008_11NG_OFDM_SHIFT 4
+#define AR5008_11NG_HT_SS_SHIFT 12
+#define AR5008_11NG_HT_DS_SHIFT 20
+
+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 */
+
+/*
+ * 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 const struct ar5416IniArray bank0 = STATIC_INI_ARRAY(ar5416Bank0);
+static const struct ar5416IniArray bank1 = STATIC_INI_ARRAY(ar5416Bank1);
+static const struct ar5416IniArray bank2 = STATIC_INI_ARRAY(ar5416Bank2);
+static const struct ar5416IniArray bank3 = STATIC_INI_ARRAY(ar5416Bank3);
+static const struct ar5416IniArray bank7 = STATIC_INI_ARRAY(ar5416Bank7);
+
+static void ar5008_write_bank6(struct ath_hw *ah, unsigned int *writecnt)
+{
+ struct ar5416IniArray *array = &ah->iniBank6;
+ u32 *data = ah->analogBank6Data;
+ 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, 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 */
+ ar5008_write_bank6(ah, &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, &centers);
+ 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;
+
+ return 0;
+}
+
+void ar5008_hw_cmn_spur_mitigate(struct ath_hw *ah,
+ struct ath9k_channel *chan, int bin)
+{
+ int cur_bin;
+ int upper, lower, cur_vit_mask;
+ int i;
+ int8_t mask_m[123] = {0};
+ int8_t mask_p[123] = {0};
+ int8_t mask_amt;
+ int tmp_mask;
+ static const int pilot_mask_reg[4] = {
+ AR_PHY_TIMING7, AR_PHY_TIMING8,
+ AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
+ };
+ static const int chan_mask_reg[4] = {
+ AR_PHY_TIMING9, AR_PHY_TIMING10,
+ AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
+ };
+ static const int inc[4] = { 0, 100, 0, 0 };
+
+ 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 < ARRAY_SIZE(mask_m); 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_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;
+ int spur_freq_sd;
+ int spur_delta_phase;
+ int denominator;
+ int tmp, new;
+ int i;
+
+ int cur_bb_spur;
+ bool is2GHz = IS_CHAN_2GHZ(chan);
+
+ 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);
+
+ ar5008_hw_cmn_spur_mitigate(ah, chan, bin);
+}
+
+/**
+ * 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)
+{
+ int size = ah->iniBank6.ia_rows * sizeof(u32);
+
+ if (AR_SREV_9280_20_OR_LATER(ah))
+ return 0;
+
+ ah->analogBank6Data = devm_kzalloc(ah->dev, size, GFP_KERNEL);
+ if (!ah->analogBank6Data)
+ return -ENOMEM;
+
+ return 0;
+}
+
+
+/* *
+ * 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;
+ int i;
+
+ /*
+ * 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_rev(ah);
+
+ for (i = 0; i < ah->iniBank6.ia_rows; i++)
+ ah->analogBank6Data[i] = INI_RA(&ah->iniBank6, 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);
+ }
+ }
+
+ /* Write Analog registers */
+ REG_WRITE_ARRAY(&bank0, 1, regWrites);
+ REG_WRITE_ARRAY(&bank1, 1, regWrites);
+ REG_WRITE_ARRAY(&bank2, 1, regWrites);
+ REG_WRITE_ARRAY(&bank3, modesIndex, regWrites);
+ ar5008_write_bank6(ah, &regWrites);
+ REG_WRITE_ARRAY(&bank7, 1, 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;
+
+ REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
+
+ ath9k_hw_synth_delay(ah, chan, synthDelay);
+}
+
+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)) {
+ /*
+ * For AR9280 and above, there is a new feature that allows
+ * Multicast search based on both MAC Address and Key ID.
+ * By default, this feature is enabled. But since the driver
+ * is not using this feature, we switch it off; otherwise
+ * multicast search based on MAC addr only will fail.
+ */
+ val = REG_READ(ah, AR_PCU_MISC_MODE2) &
+ (~AR_ADHOC_MCAST_KEYID_ENABLE);
+
+ 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);
+
+ val |= AR_PCU_MISC_MODE2_CFP_IGNORE;
+
+ REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
+ }
+
+ 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 (IS_CHAN_HT40PLUS(chan))
+ phymode |= AR_PHY_FC_DYN2040_PRI_CH;
+
+ }
+ ENABLE_REGWRITE_BUFFER(ah);
+ REG_WRITE(ah, AR_PHY_TURBO, phymode);
+
+ /* This function do only REG_WRITE, so
+ * we can include it to REGWRITE_BUFFER. */
+ ath9k_hw_set11nmac2040(ah, chan);
+
+ 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;
+
+ if (IS_CHAN_5GHZ(chan)) {
+ freqIndex = 1;
+ modesIndex = IS_CHAN_HT40(chan) ? 2 : 1;
+ } else {
+ freqIndex = 2;
+ modesIndex = IS_CHAN_HT40(chan) ? 3 : 4;
+ }
+
+ /*
+ * 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);
+
+ REG_WRITE_ARRAY(&ah->iniAddac, 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_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, AR_PHY_SPECTRAL_SCAN_ENA);
+ REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_ADC_ON, 0xa);
+ }
+
+ 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);
+
+ REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
+
+ if (IS_CHAN_A_FAST_CLOCK(ah, chan))
+ REG_WRITE_ARRAY(&ah->iniModesFastClock, 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, false);
+
+ /* 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;
+
+ if (IS_CHAN_2GHZ(chan))
+ rfMode |= AR_PHY_MODE_DYNAMIC;
+ else
+ rfMode |= 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, &centers);
+ 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;
+
+ ath9k_hw_synth_delay(ah, ah->curchan, synthDelay);
+
+ 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_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 = &ah->ani;
+ s32 value;
+
+ 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->ofdmWeakSigDetect) {
+ ath_dbg(common, ANI,
+ "** ch %d: ofdm weak signal: %s=>%s\n",
+ chan->channel,
+ aniState->ofdmWeakSigDetect ?
+ "on" : "off",
+ on ? "on" : "off");
+ if (on)
+ ah->stats.ast_ani_ofdmon++;
+ else
+ ah->stats.ast_ani_ofdmoff++;
+ aniState->ofdmWeakSigDetect = on;
+ }
+ break;
+ }
+ case ATH9K_ANI_FIRSTEP_LEVEL:{
+ u32 level = param;
+
+ value = level * 2;
+ REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
+ AR_PHY_FIND_SIG_FIRSTEP, value);
+ REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW,
+ AR_PHY_FIND_SIG_FIRSTEP_LOW, value);
+
+ if (level != aniState->firstepLevel) {
+ ath_dbg(common, ANI,
+ "** ch %d: level %d=>%d[def:%d] firstep[level]=%d ini=%d\n",
+ chan->channel,
+ aniState->firstepLevel,
+ level,
+ ATH9K_ANI_FIRSTEP_LVL,
+ value,
+ aniState->iniDef.firstep);
+ ath_dbg(common, ANI,
+ "** ch %d: level %d=>%d[def:%d] firstep_low[level]=%d ini=%d\n",
+ chan->channel,
+ aniState->firstepLevel,
+ level,
+ ATH9K_ANI_FIRSTEP_LVL,
+ value,
+ 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;
+
+ value = (level + 1) * 2;
+ REG_RMW_FIELD(ah, AR_PHY_TIMING5,
+ AR_PHY_TIMING5_CYCPWR_THR1, value);
+
+ REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
+ AR_PHY_EXT_TIMING5_CYCPWR_THR1, value - 1);
+
+ if (level != aniState->spurImmunityLevel) {
+ ath_dbg(common, ANI,
+ "** ch %d: level %d=>%d[def:%d] cycpwrThr1[level]=%d ini=%d\n",
+ chan->channel,
+ aniState->spurImmunityLevel,
+ level,
+ ATH9K_ANI_SPUR_IMMUNE_LVL,
+ value,
+ aniState->iniDef.cycpwrThr1);
+ ath_dbg(common, ANI,
+ "** ch %d: level %d=>%d[def:%d] cycpwrThr1Ext[level]=%d ini=%d\n",
+ chan->channel,
+ aniState->spurImmunityLevel,
+ level,
+ ATH9K_ANI_SPUR_IMMUNE_LVL,
+ value,
+ 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;
+ default:
+ ath_dbg(common, ANI, "invalid cmd %u\n", cmd);
+ return false;
+ }
+
+ ath_dbg(common, ANI,
+ "ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
+ aniState->spurImmunityLevel,
+ aniState->ofdmWeakSigDetect ? "on" : "off",
+ aniState->firstepLevel,
+ aniState->mrcCCK ? "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 = &ah->ani;
+ struct ath9k_ani_default *iniDef;
+ u32 val;
+
+ iniDef = &aniState->iniDef;
+
+ ath_dbg(common, ANI, "ver %d.%d opmode %u chan %d Mhz\n",
+ ah->hw_version.macVersion,
+ ah->hw_version.macRev,
+ ah->opmode,
+ chan->channel);
+
+ 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;
+ aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL;
+ aniState->ofdmWeakSigDetect = true;
+ aniState->mrcCCK = false; /* 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;
+
+ 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 = REG_READ(ah, AR_PHY_RADAR_1);
+ radar_1 &= ~(AR_PHY_RADAR_1_MAXLEN | AR_PHY_RADAR_1_RELSTEP_THRESH |
+ AR_PHY_RADAR_1_RELPWR_THRESH);
+ 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 = 15;
+ conf->pulse_inband = 15;
+ conf->pulse_maxlen = 255;
+ conf->pulse_inband_step = 12;
+ conf->radar_inband = 8;
+}
+
+static void ar5008_hw_init_txpower_cck(struct ath_hw *ah, int16_t *rate_array)
+{
+#define CCK_DELTA(x) ((OLC_FOR_AR9280_20_LATER) ? max((x) - 2, 0) : (x))
+ ah->tx_power[0] = CCK_DELTA(rate_array[rate1l]);
+ ah->tx_power[1] = CCK_DELTA(min(rate_array[rate2l],
+ rate_array[rate2s]));
+ ah->tx_power[2] = CCK_DELTA(min(rate_array[rate5_5l],
+ rate_array[rate5_5s]));
+ ah->tx_power[3] = CCK_DELTA(min(rate_array[rate11l],
+ rate_array[rate11s]));
+#undef CCK_DELTA
+}
+
+static void ar5008_hw_init_txpower_ofdm(struct ath_hw *ah, int16_t *rate_array,
+ int offset)
+{
+ int i, idx = 0;
+
+ for (i = offset; i < offset + AR5008_OFDM_RATES; i++) {
+ ah->tx_power[i] = rate_array[idx];
+ idx++;
+ }
+}
+
+static void ar5008_hw_init_txpower_ht(struct ath_hw *ah, int16_t *rate_array,
+ int ss_offset, int ds_offset,
+ bool is_40, int ht40_delta)
+{
+ int i, mcs_idx = (is_40) ? AR5008_HT40_SHIFT : AR5008_HT20_SHIFT;
+
+ for (i = ss_offset; i < ss_offset + AR5008_HT_SS_RATES; i++) {
+ ah->tx_power[i] = rate_array[mcs_idx] + ht40_delta;
+ mcs_idx++;
+ }
+ memcpy(&ah->tx_power[ds_offset], &ah->tx_power[ss_offset],
+ AR5008_HT_SS_RATES);
+}
+
+void ar5008_hw_init_rate_txpower(struct ath_hw *ah, int16_t *rate_array,
+ struct ath9k_channel *chan, int ht40_delta)
+{
+ if (IS_CHAN_5GHZ(chan)) {
+ ar5008_hw_init_txpower_ofdm(ah, rate_array,
+ AR5008_11NA_OFDM_SHIFT);
+ if (IS_CHAN_HT20(chan) || IS_CHAN_HT40(chan)) {
+ ar5008_hw_init_txpower_ht(ah, rate_array,
+ AR5008_11NA_HT_SS_SHIFT,
+ AR5008_11NA_HT_DS_SHIFT,
+ IS_CHAN_HT40(chan),
+ ht40_delta);
+ }
+ } else {
+ ar5008_hw_init_txpower_cck(ah, rate_array);
+ ar5008_hw_init_txpower_ofdm(ah, rate_array,
+ AR5008_11NG_OFDM_SHIFT);
+ if (IS_CHAN_HT20(chan) || IS_CHAN_HT40(chan)) {
+ ar5008_hw_init_txpower_ht(ah, rate_array,
+ AR5008_11NG_HT_SS_SHIFT,
+ AR5008_11NG_HT_DS_SHIFT,
+ IS_CHAN_HT40(chan),
+ ht40_delta);
+ }
+ }
+}
+
+int 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
+ };
+ int ret;
+
+ ret = ar5008_hw_rf_alloc_ext_banks(ah);
+ if (ret)
+ return ret;
+
+ priv_ops->rf_set_freq = ar5008_hw_set_channel;
+ priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate;
+
+ 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;
+
+ priv_ops->ani_control = ar5008_hw_ani_control_new;
+ priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
+
+ 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));
+ return 0;
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-16 15:58:07 +0000