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Diffstat (limited to 'sys/contrib/dev/ath/ath_hal/ar9300/ar9300_spectral.c')
-rw-r--r--sys/contrib/dev/ath/ath_hal/ar9300/ar9300_spectral.c588
1 files changed, 588 insertions, 0 deletions
diff --git a/sys/contrib/dev/ath/ath_hal/ar9300/ar9300_spectral.c b/sys/contrib/dev/ath/ath_hal/ar9300/ar9300_spectral.c
new file mode 100644
index 0000000..1219b77
--- /dev/null
+++ b/sys/contrib/dev/ath/ath_hal/ar9300/ar9300_spectral.c
@@ -0,0 +1,588 @@
+/*
+ * 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"
+
+#ifdef AH_SUPPORT_AR9300
+
+#include "ah.h"
+#include "ah_desc.h"
+#include "ah_internal.h"
+
+#include "ar9300/ar9300phy.h"
+#include "ar9300/ar9300.h"
+#include "ar9300/ar9300reg.h"
+#include "ar9300/ar9300desc.h"
+
+#if ATH_SUPPORT_SPECTRAL
+
+/*
+ * Default 9300 spectral scan parameters
+ */
+#define AR9300_SPECTRAL_SCAN_ENA 0
+#define AR9300_SPECTRAL_SCAN_ACTIVE 0
+#define AR9300_SPECTRAL_SCAN_FFT_PERIOD 8
+#define AR9300_SPECTRAL_SCAN_PERIOD 1
+#define AR9300_SPECTRAL_SCAN_COUNT 16 /* used to be 128 */
+#define AR9300_SPECTRAL_SCAN_SHORT_REPEAT 1
+
+/* constants */
+#define MAX_RADAR_DC_PWR_THRESH 127
+#define MAX_RADAR_RSSI_THRESH 0x3f
+#define MAX_RADAR_HEIGHT 0x3f
+#define MAX_CCA_THRESH 127
+#define ENABLE_ALL_PHYERR 0xffffffff
+
+void ar9300_disable_cck(struct ath_hal *ah);
+void ar9300_disable_radar(struct ath_hal *ah);
+void ar9300_disable_restart(struct ath_hal *ah);
+void ar9300_set_radar_dc_thresh(struct ath_hal *ah);
+void ar9300_disable_weak_signal(struct ath_hal *ah);
+void ar9300_disable_strong_signal(struct ath_hal *ah);
+void ar9300_prep_spectral_scan(struct ath_hal *ah);
+void ar9300_disable_dc_offset(struct ath_hal *ah);
+void ar9300_enable_cck_detect(struct ath_hal *ah);
+
+void
+ar9300_disable_cck(struct ath_hal *ah)
+{
+ u_int32_t val;
+
+ val = OS_REG_READ(ah, AR_PHY_MODE);
+ val &= ~(AR_PHY_MODE_DYN_CCK_DISABLE);
+
+ OS_REG_WRITE(ah, AR_PHY_MODE, val);
+}
+
+void
+ar9300_disable_radar(struct ath_hal *ah)
+{
+ u_int32_t val;
+
+ /* Enable radar FFT */
+ val = OS_REG_READ(ah, AR_PHY_RADAR_0);
+ val |= AR_PHY_RADAR_0_FFT_ENA;
+
+ /* set radar detect thresholds to max to effectively disable radar */
+ val &= ~AR_PHY_RADAR_0_RRSSI;
+ val |= SM(MAX_RADAR_RSSI_THRESH, AR_PHY_RADAR_0_RRSSI);
+
+ val &= ~AR_PHY_RADAR_0_HEIGHT;
+ val |= SM(MAX_RADAR_HEIGHT, AR_PHY_RADAR_0_HEIGHT);
+
+ val &= ~(AR_PHY_RADAR_0_ENA);
+ OS_REG_WRITE(ah, AR_PHY_RADAR_0, val);
+
+ /* disable extension radar detect */
+ val = OS_REG_READ(ah, AR_PHY_RADAR_EXT);
+ OS_REG_WRITE(ah, AR_PHY_RADAR_EXT, val & ~AR_PHY_RADAR_EXT_ENA);
+
+ val = OS_REG_READ(ah, AR_RX_FILTER);
+ val |= (1 << 13);
+ OS_REG_WRITE(ah, AR_RX_FILTER, val);
+}
+
+void ar9300_disable_restart(struct ath_hal *ah)
+{
+ u_int32_t val;
+ val = OS_REG_READ(ah, AR_PHY_RESTART);
+ val &= ~AR_PHY_RESTART_ENA;
+ OS_REG_WRITE(ah, AR_PHY_RESTART, val);
+
+ val = OS_REG_READ(ah, AR_PHY_RESTART);
+}
+
+void ar9300_set_radar_dc_thresh(struct ath_hal *ah)
+{
+ u_int32_t val;
+ val = OS_REG_READ(ah, AR_PHY_RADAR_EXT);
+ val &= ~AR_PHY_RADAR_DC_PWR_THRESH;
+ val |= SM(MAX_RADAR_DC_PWR_THRESH, AR_PHY_RADAR_DC_PWR_THRESH);
+ OS_REG_WRITE(ah, AR_PHY_RADAR_EXT, val);
+
+ val = OS_REG_READ(ah, AR_PHY_RADAR_EXT);
+}
+
+void
+ar9300_disable_weak_signal(struct ath_hal *ah)
+{
+ /* set firpwr to max (signed) */
+ OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRPWR, 0x7f);
+ OS_REG_CLR_BIT(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRPWR_SIGN_BIT);
+
+ /* set firstep to max */
+ OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRSTEP, 0x3f);
+
+ /* set relpwr to max (signed) */
+ OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_RELPWR, 0x1f);
+ OS_REG_CLR_BIT(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_RELPWR_SIGN_BIT);
+
+ /* set relstep to max (signed) */
+ OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_RELSTEP, 0x1f);
+ OS_REG_CLR_BIT(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_RELSTEP_SIGN_BIT);
+
+ /* set firpwr_low to max (signed) */
+ OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_FIRPWR, 0x7f);
+ OS_REG_CLR_BIT(
+ ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_FIRPWR_SIGN_BIT);
+
+ /* set firstep_low to max */
+ OS_REG_RMW_FIELD(
+ ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_FIRSTEP_LOW, 0x3f);
+
+ /* set relstep_low to max (signed) */
+ OS_REG_RMW_FIELD(
+ ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_RELSTEP, 0x1f);
+ OS_REG_CLR_BIT(
+ ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_RELSTEP_SIGN_BIT);
+}
+
+void
+ar9300_disable_strong_signal(struct ath_hal *ah)
+{
+ u_int32_t val;
+
+ val = OS_REG_READ(ah, AR_PHY_TIMING5);
+ val |= AR_PHY_TIMING5_RSSI_THR1A_ENA;
+ OS_REG_WRITE(ah, AR_PHY_TIMING5, val);
+
+ OS_REG_RMW_FIELD(ah, AR_PHY_TIMING5, AR_PHY_TIMING5_RSSI_THR1A, 0x7f);
+
+}
+void
+ar9300_set_cca_threshold(struct ath_hal *ah, u_int8_t thresh62)
+{
+ OS_REG_RMW_FIELD(ah, AR_PHY_CCA_0, AR_PHY_CCA_THRESH62, thresh62);
+ OS_REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0, AR_PHY_EXT_CCA0_THRESH62, thresh62);
+ /*
+ OS_REG_RMW_FIELD(ah,
+ AR_PHY_EXTCHN_PWRTHR1, AR_PHY_EXT_CCA0_THRESH62, thresh62);
+ */
+ OS_REG_RMW_FIELD(ah, AR_PHY_EXT_CCA, AR_PHY_EXT_CCA_THRESH62, thresh62);
+}
+
+static void ar9300_classify_strong_bins(struct ath_hal *ah)
+{
+ OS_REG_RMW_FIELD(ah, AR_PHY_RADAR_1, AR_PHY_RADAR_1_CF_BIN_THRESH, 0x1);
+}
+
+void ar9300_disable_dc_offset(struct ath_hal *ah)
+{
+ OS_REG_RMW_FIELD(ah, AR_PHY_TIMING2, AR_PHY_TIMING2_DC_OFFSET, 0);
+}
+
+void ar9300_enable_cck_detect(struct ath_hal *ah)
+{
+ OS_REG_RMW_FIELD(ah, AR_PHY_MODE, AR_PHY_MODE_DISABLE_CCK, 0);
+ OS_REG_RMW_FIELD(ah, AR_PHY_MODE, AR_PHY_MODE_DYNAMIC, 1);
+}
+
+void ar9300_prep_spectral_scan(struct ath_hal *ah)
+{
+ ar9300_disable_radar(ah);
+ ar9300_classify_strong_bins(ah);
+ ar9300_disable_dc_offset(ah);
+ if (AH_PRIVATE(ah)->ah_curchan &&
+ IS_5GHZ_FAST_CLOCK_EN(ah, AH_PRIVATE(ah)->ah_curchan))
+ { /* fast clock */
+ ar9300_enable_cck_detect(ah);
+ }
+#ifdef DEMO_MODE
+ ar9300_disable_strong_signal(ah);
+ ar9300_disable_weak_signal(ah);
+ ar9300_set_radar_dc_thresh(ah);
+ ar9300_set_cca_threshold(ah, MAX_CCA_THRESH);
+ /*ar9300_disable_restart(ah);*/
+#endif
+ OS_REG_WRITE(ah, AR_PHY_ERR, HAL_PHYERR_SPECTRAL);
+}
+
+
+//#define TEST_NOISE_PWR_WITHOUT_EEPROM 1
+#ifdef TEST_NOISE_PWR_WITHOUT_EEPROM
+struct nf_cal {
+ int cal;
+ int pwr;
+};
+struct nf_cal_table_t {
+ int freq;
+ struct nf_cal chain[AH_MAX_CHAINS];
+};
+
+static const struct nf_cal_table_t nf_cal_table[] =
+{
+/* ch 1 */ {2412, { {N2DBM(-101, 00), N2DBM( -94, 25)},
+ {N2DBM(-107, 75), N2DBM( -99, 75)},
+ } },
+/* ch 6 */ {2437, { {N2DBM(-102, 25), N2DBM( -94, 25)},
+ {N2DBM(-106, 00), N2DBM( -97, 25)},
+ } },
+/* ch 11 */ {2462, { {N2DBM(-101, 50), N2DBM( -95, 00)},
+ {N2DBM(-105, 50), N2DBM( -98, 00)},
+ } },
+/* ch 36 */ {5180, { {N2DBM(-114, 25), N2DBM( -95, 00)},
+ {N2DBM(-114, 75), N2DBM( -94, 00)},
+ } },
+/* ch 44 */ {5220, { {N2DBM(-113, 00), N2DBM( -95, 00)},
+ {N2DBM(-115, 00), N2DBM( -94, 50)},
+ } },
+/* ch 64 */ {5320, { {N2DBM(-113, 00), N2DBM( -95, 00)}, // not cal'ed
+ {N2DBM(-115, 00), N2DBM( -94, 50)},
+ } },
+/* ch 100*/ {5500, { {N2DBM(-111, 50), N2DBM( -93, 75)},
+ {N2DBM(-112, 00), N2DBM( -95, 25)},
+ } },
+/* ch 120*/ {5600, { {N2DBM(-111, 50), N2DBM( -93, 75)},
+ {N2DBM(-112, 00), N2DBM( -95, 25)},
+ } },
+/* ch 140*/ {5700, { {N2DBM(-111, 75), N2DBM( -95, 00)},
+ {N2DBM(-111, 75), N2DBM( -96, 00)},
+ } },
+/* ch 157*/ {5785, { {N2DBM(-112, 50), N2DBM( -94, 75)},
+ {N2DBM(-111, 75), N2DBM( -95, 50)},
+ } },
+/* ch 165*/ {5825, { {N2DBM(-111, 50), N2DBM( -95, 00)},
+ {N2DBM(-112, 00), N2DBM( -95, 00)},
+ } },
+ {0}
+};
+
+static int
+ar9300_noise_floor_get(struct ath_hal *ah, int freq_mhz, int ch)
+{
+ int i;
+ for (i = 0; nf_cal_table[i].freq != 0; i++) {
+ if (nf_cal_table[i + 0].freq == freq_mhz ||
+ nf_cal_table[i + 1].freq > freq_mhz ||
+ nf_cal_table[i + 1].freq == 0) {
+ return nf_cal_table[i].chain[ch].cal;
+ }
+ }
+
+ ath_hal_printf(ah,
+ "%s: **Warning: device %d.%d: "
+ "no nf cal offset found for freq %d chain %d\n",
+ __func__, (AH_PRIVATE(ah))->ah_macVersion,
+ (AH_PRIVATE(ah))->ah_macRev, freq_mhz, ch);
+ return 0;
+}
+
+static int
+ar9300_noise_floor_power_get(struct ath_hal *ah, int freq_mhz, int ch)
+{
+ int i;
+ for (i = 0; nf_cal_table[i].freq != 0; i++) {
+ if (nf_cal_table[i + 0].freq == freq_mhz ||
+ nf_cal_table[i + 1].freq > freq_mhz ||
+ nf_cal_table[i + 1].freq == 0) {
+ return nf_cal_table[i].chain[ch].pwr;
+ }
+ }
+
+ ath_hal_printf(ah,
+ "%s: **Warning: device %d.%d: "
+ "no nf pwr offset found for freq %d chain %d\n",
+ __func__, (AH_PRIVATE(ah))->ah_macVersion,
+ (AH_PRIVATE(ah))->ah_macRev, freq_mhz, ch);
+ return 0;
+}
+#else
+#define ar9300_noise_floor_get(_ah,_f,_ich) ar9300_noise_floor_cal_or_power_get((_ah), (_f), (_ich), 1/*use_cal*/)
+#define ar9300_noise_floor_power_get(_ah,_f,_ich) ar9300_noise_floor_cal_or_power_get((_ah), (_f), (_ich), 0/*use_cal*/)
+#endif
+
+
+void
+ar9300_configure_spectral_scan(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
+{
+ u_int32_t val, i;
+ struct ath_hal_9300 *ahp = AH9300(ah);
+ HAL_BOOL asleep = ahp->ah_chip_full_sleep;
+ int16_t nf_buf[NUM_NF_READINGS];
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
+ }
+
+ ar9300_prep_spectral_scan(ah);
+
+ if (ss->ss_spectral_pri) {
+ for (i = 0; i < NUM_NF_READINGS; i++) {
+ nf_buf[i] = NOISE_PWR_DBM_2_INT(ss->ss_nf_cal[i]);
+ }
+ ar9300_load_nf(ah, nf_buf);
+#ifdef DEMO_MODE
+ ar9300_disable_strong_signal(ah);
+ ar9300_disable_weak_signal(ah);
+ ar9300_set_radar_dc_thresh(ah);
+ ar9300_set_cca_threshold(ah, MAX_CCA_THRESH);
+ /*ar9300_disable_restart(ah);*/
+#endif
+ }
+
+ val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
+
+ if (ss->ss_fft_period != HAL_SPECTRAL_PARAM_NOVAL) {
+ val &= ~AR_PHY_SPECTRAL_SCAN_FFT_PERIOD;
+ val |= SM(ss->ss_fft_period, AR_PHY_SPECTRAL_SCAN_FFT_PERIOD);
+ }
+
+ if (ss->ss_period != HAL_SPECTRAL_PARAM_NOVAL) {
+ val &= ~AR_PHY_SPECTRAL_SCAN_PERIOD;
+ val |= SM(ss->ss_period, AR_PHY_SPECTRAL_SCAN_PERIOD);
+ }
+
+ if (ss->ss_count != HAL_SPECTRAL_PARAM_NOVAL) {
+ val &= ~AR_PHY_SPECTRAL_SCAN_COUNT;
+ /* Remnants of a Merlin bug, 128 translates to 0 for
+ * continuous scanning. Instead we do piecemeal captures
+ * of 64 samples for Osprey.
+ */
+ if (ss->ss_count == 128) {
+ val |= SM(0, AR_PHY_SPECTRAL_SCAN_COUNT);
+ } else {
+ val |= SM(ss->ss_count, AR_PHY_SPECTRAL_SCAN_COUNT);
+ }
+ }
+
+ if (ss->ss_period != HAL_SPECTRAL_PARAM_NOVAL) {
+ val &= ~AR_PHY_SPECTRAL_SCAN_PERIOD;
+ val |= SM(ss->ss_period, AR_PHY_SPECTRAL_SCAN_PERIOD);
+ }
+
+ if (ss->ss_short_report == AH_TRUE) {
+ val |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
+ } else {
+ val &= ~AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
+ }
+
+ /* if noise power cal, force high priority */
+ if (ss->ss_spectral_pri) {
+ val |= AR_PHY_SPECTRAL_SCAN_PRIORITY_HI;
+ } else {
+ val &= ~AR_PHY_SPECTRAL_SCAN_PRIORITY_HI;
+ }
+
+ /* enable spectral scan */
+ OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val | AR_PHY_SPECTRAL_SCAN_ENABLE);
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
+ }
+}
+
+/*
+ * Get the spectral parameter values and return them in the pe
+ * structure
+ */
+
+void
+ar9300_get_spectral_params(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
+{
+ u_int32_t val;
+ HAL_CHANNEL_INTERNAL *chan = AH_PRIVATE(ah)->ah_curchan;
+ int i, ichain, rx_chain_status;
+ struct ath_hal_9300 *ahp = AH9300(ah);
+ HAL_BOOL asleep = ahp->ah_chip_full_sleep;
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
+ }
+
+ val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
+
+ ss->ss_fft_period = MS(val, AR_PHY_SPECTRAL_SCAN_FFT_PERIOD);
+ ss->ss_period = MS(val, AR_PHY_SPECTRAL_SCAN_PERIOD);
+ ss->ss_count = MS(val, AR_PHY_SPECTRAL_SCAN_COUNT);
+ ss->ss_short_report = (val & AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT) ? 1:0;
+ ss->ss_spectral_pri = ( val & AR_PHY_SPECTRAL_SCAN_PRIORITY_HI) ? 1:0;
+ OS_MEMZERO(ss->ss_nf_cal, sizeof(ss->ss_nf_cal));
+ OS_MEMZERO(ss->ss_nf_pwr, sizeof(ss->ss_nf_cal));
+ ss->ss_nf_temp_data = 0;
+
+ if (chan != NULL) {
+ rx_chain_status = OS_REG_READ(ah, AR_PHY_RX_CHAINMASK) & 0x7;
+ for (i = 0; i < NUM_NF_READINGS; i++) {
+ ichain = i % 3;
+ if (rx_chain_status & (1 << ichain)) {
+ ss->ss_nf_cal[i] =
+ ar9300_noise_floor_get(ah, chan->channel, ichain);
+ ss->ss_nf_pwr[i] =
+ ar9300_noise_floor_power_get(ah, chan->channel, ichain);
+ }
+ }
+ ss->ss_nf_temp_data = OS_REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4, AR_PHY_BB_THERM_ADC_4_LATEST_THERM);
+ } else {
+ HALDEBUG(AH_NULL, HAL_DEBUG_UNMASKABLE,
+ "%s: chan is NULL - no ss nf values\n", __func__);
+ }
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
+ }
+}
+
+HAL_BOOL
+ar9300_is_spectral_active(struct ath_hal *ah)
+{
+ u_int32_t val;
+
+ val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
+ return MS(val, AR_PHY_SPECTRAL_SCAN_ACTIVE);
+}
+
+HAL_BOOL
+ar9300_is_spectral_enabled(struct ath_hal *ah)
+{
+ u_int32_t val;
+
+ val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
+ return MS(val, AR_PHY_SPECTRAL_SCAN_ENABLE);
+}
+
+void ar9300_start_spectral_scan(struct ath_hal *ah)
+{
+ u_int32_t val;
+ struct ath_hal_9300 *ahp = AH9300(ah);
+ HAL_BOOL asleep = ahp->ah_chip_full_sleep;
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
+ }
+
+ ar9300_prep_spectral_scan(ah);
+
+ /* activate spectral scan */
+ val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
+ /* This is a hardware bug fix, the enable and active bits should
+ * not be set/reset in the same write operation to the register
+ */
+ if (!(val & AR_PHY_SPECTRAL_SCAN_ENABLE)) {
+ val |= AR_PHY_SPECTRAL_SCAN_ENABLE;
+ OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
+ val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
+ }
+ val |= AR_PHY_SPECTRAL_SCAN_ACTIVE;
+ OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
+
+ /* Reset the PHY_ERR_MASK */
+ val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG);
+ OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val | AR_PHY_ERR_RADAR);
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
+ }
+}
+
+void ar9300_stop_spectral_scan(struct ath_hal *ah)
+{
+ u_int32_t val;
+ struct ath_hal_9300 *ahp = AH9300(ah);
+ HAL_BOOL asleep = ahp->ah_chip_full_sleep;
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
+ }
+ val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
+
+ /* deactivate spectral scan */
+ /* HW Bug fix -- Do not disable the spectral scan
+ * only turn off the active bit
+ */
+ //val &= ~AR_PHY_SPECTRAL_SCAN_ENABLE;
+ val &= ~AR_PHY_SPECTRAL_SCAN_ACTIVE;
+ OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
+ val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
+
+ OS_REG_RMW_FIELD(ah, AR_PHY_RADAR_1, AR_PHY_RADAR_1_CF_BIN_THRESH,
+ ahp->ah_radar1);
+ OS_REG_RMW_FIELD(ah, AR_PHY_TIMING2, AR_PHY_TIMING2_DC_OFFSET,
+ ahp->ah_dc_offset);
+ OS_REG_WRITE(ah, AR_PHY_ERR, 0);
+
+ if (AH_PRIVATE(ah)->ah_curchan &&
+ IS_5GHZ_FAST_CLOCK_EN(ah, AH_PRIVATE(ah)->ah_curchan))
+ { /* fast clock */
+ OS_REG_RMW_FIELD(ah, AR_PHY_MODE, AR_PHY_MODE_DISABLE_CCK,
+ ahp->ah_disable_cck);
+ }
+
+ val = OS_REG_READ(ah, AR_PHY_ERR);
+
+ val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG) & (~AR_PHY_ERR_RADAR);
+ OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val);
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
+ }
+}
+
+u_int32_t ar9300_get_spectral_config(struct ath_hal *ah)
+{
+ u_int32_t val;
+ struct ath_hal_9300 *ahp = AH9300(ah);
+ HAL_BOOL asleep = ahp->ah_chip_full_sleep;
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
+ }
+
+ val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
+
+ if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
+ ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
+ }
+ return val;
+}
+
+int16_t ar9300_get_ctl_chan_nf(struct ath_hal *ah)
+{
+ int16_t nf;
+ struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
+
+ if ( (OS_REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) == 0) {
+ /* Noise floor calibration value is ready */
+ nf = MS(OS_REG_READ(ah, AR_PHY_CCA_0), AR_PHY_MINCCA_PWR);
+ } else {
+ /* NF calibration is not done, return nominal value */
+ nf = ahpriv->nfp->nominal;
+ }
+ if (nf & 0x100) {
+ nf = (0 - ((nf ^ 0x1ff) + 1));
+ }
+ return nf;
+}
+
+int16_t ar9300_get_ext_chan_nf(struct ath_hal *ah)
+{
+ int16_t nf;
+ struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
+
+ if ((OS_REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) == 0) {
+ /* Noise floor calibration value is ready */
+ nf = MS(OS_REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
+ } else {
+ /* NF calibration is not done, return nominal value */
+ nf = ahpriv->nfp->nominal;
+ }
+ if (nf & 0x100) {
+ nf = (0 - ((nf ^ 0x1ff) + 1));
+ }
+ return nf;
+}
+
+#endif
+#endif /* ATH_SUPPORT_SPECTRAL */
+
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