ath_hal/ar9300/ar9300_spectral.c

20 #include "ah.h"
50 void ar9300_disable_cck(struct ath_hal *ah);
51 void ar9300_disable_radar(struct ath_hal *ah);
52 void ar9300_disable_restart(struct ath_hal *ah);
53 void ar9300_set_radar_dc_thresh(struct ath_hal *ah);
54 void ar9300_disable_weak_signal(struct ath_hal *ah);
55 void ar9300_disable_strong_signal(struct ath_hal *ah);
56 void ar9300_prep_spectral_scan(struct ath_hal *ah);
57 void ar9300_disable_dc_offset(struct ath_hal *ah);
58 void ar9300_enable_cck_detect(struct ath_hal *ah);
61 ar9300_disable_cck(struct ath_hal *ah)
65     val = OS_REG_READ(ah, AR_PHY_MODE);
68     OS_REG_WRITE(ah, AR_PHY_MODE, val);
72 ar9300_disable_radar(struct ath_hal *ah)
77     val = OS_REG_READ(ah, AR_PHY_RADAR_0);
88     OS_REG_WRITE(ah, AR_PHY_RADAR_0, val);
91     val = OS_REG_READ(ah, AR_PHY_RADAR_EXT);
92     OS_REG_WRITE(ah, AR_PHY_RADAR_EXT, val & ~AR_PHY_RADAR_EXT_ENA);
94     val = OS_REG_READ(ah, AR_RX_FILTER);
96     OS_REG_WRITE(ah, AR_RX_FILTER, val);
99 void ar9300_disable_restart(struct ath_hal *ah)
102     val = OS_REG_READ(ah, AR_PHY_RESTART);
104     OS_REG_WRITE(ah, AR_PHY_RESTART, val);
106     val = OS_REG_READ(ah, AR_PHY_RESTART);
109 void ar9300_set_radar_dc_thresh(struct ath_hal *ah)
112     val = OS_REG_READ(ah, AR_PHY_RADAR_EXT);
115     OS_REG_WRITE(ah, AR_PHY_RADAR_EXT, val);
117     val = OS_REG_READ(ah, AR_PHY_RADAR_EXT);
121 ar9300_disable_weak_signal(struct ath_hal *ah)
124     OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRPWR, 0x7f);
125     OS_REG_CLR_BIT(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRPWR_SIGN_BIT);
128     OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRSTEP, 0x3f);
131     OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_RELPWR, 0x1f);
132     OS_REG_CLR_BIT(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_RELPWR_SIGN_BIT);
135     OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_RELSTEP, 0x1f);
136     OS_REG_CLR_BIT(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_RELSTEP_SIGN_BIT);
139     OS_REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_FIRPWR, 0x7f);
141         ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_FIRPWR_SIGN_BIT);
145         ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_FIRSTEP_LOW, 0x3f);
149         ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_RELSTEP, 0x1f);
151         ah, AR_PHY_FIND_SIG_LOW, AR_PHY_FIND_SIG_LOW_RELSTEP_SIGN_BIT);
155 ar9300_disable_strong_signal(struct ath_hal *ah)
159     val = OS_REG_READ(ah, AR_PHY_TIMING5);
161     OS_REG_WRITE(ah, AR_PHY_TIMING5, val);
163     OS_REG_RMW_FIELD(ah, AR_PHY_TIMING5, AR_PHY_TIMING5_RSSI_THR1A, 0x7f);
167 ar9300_set_cca_threshold(struct ath_hal *ah, u_int8_t thresh62)
169     OS_REG_RMW_FIELD(ah, AR_PHY_CCA_0, AR_PHY_CCA_THRESH62, thresh62);
170     OS_REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0, AR_PHY_EXT_CCA0_THRESH62, thresh62);
172     OS_REG_RMW_FIELD(ah,
175     OS_REG_RMW_FIELD(ah, AR_PHY_EXT_CCA, AR_PHY_EXT_CCA_THRESH62, thresh62);
178 static void ar9300_classify_strong_bins(struct ath_hal *ah)
180     OS_REG_RMW_FIELD(ah, AR_PHY_RADAR_1, AR_PHY_RADAR_1_CF_BIN_THRESH, 0x1);
183 void ar9300_disable_dc_offset(struct ath_hal *ah)
185     OS_REG_RMW_FIELD(ah, AR_PHY_TIMING2, AR_PHY_TIMING2_DC_OFFSET, 0);
188 void ar9300_enable_cck_detect(struct ath_hal *ah)
190     OS_REG_RMW_FIELD(ah, AR_PHY_MODE, AR_PHY_MODE_DISABLE_CCK, 0);
191     OS_REG_RMW_FIELD(ah, AR_PHY_MODE, AR_PHY_MODE_DYNAMIC, 1);
194 void ar9300_prep_spectral_scan(struct ath_hal *ah)
196     ar9300_disable_radar(ah);
197     ar9300_classify_strong_bins(ah);
198     ar9300_disable_dc_offset(ah);
199     if (AH_PRIVATE(ah)->ah_curchan &&
200         IS_5GHZ_FAST_CLOCK_EN(ah, AH_PRIVATE(ah)->ah_curchan))
202         ar9300_enable_cck_detect(ah);
205     ar9300_disable_strong_signal(ah);
206     ar9300_disable_weak_signal(ah);
207     ar9300_set_radar_dc_thresh(ah);
208     ar9300_set_cca_threshold(ah, MAX_CCA_THRESH);
209     /*ar9300_disable_restart(ah);*/
211     OS_REG_WRITE(ah, AR_PHY_ERR, HAL_PHYERR_SPECTRAL);
265 ar9300_noise_floor_get(struct ath_hal *ah, int freq_mhz, int ch)
276     ath_hal_printf(ah,
279         __func__, (AH_PRIVATE(ah))->ah_macVersion,
280         (AH_PRIVATE(ah))->ah_macRev, freq_mhz, ch);
285 ar9300_noise_floor_power_get(struct ath_hal *ah, int freq_mhz, int ch)
296     ath_hal_printf(ah,
299         __func__, (AH_PRIVATE(ah))->ah_macVersion,
300         (AH_PRIVATE(ah))->ah_macRev, freq_mhz, ch);
310 ar9300_configure_spectral_scan(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
313     struct ath_hal_9300 *ahp = AH9300(ah);
317     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
318         ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
321     ar9300_prep_spectral_scan(ah);
327         ar9300_load_nf(ah, nf_buf);
329         ar9300_disable_strong_signal(ah);
330         ar9300_disable_weak_signal(ah);
331         ar9300_set_radar_dc_thresh(ah);
332         ar9300_set_cca_threshold(ah, MAX_CCA_THRESH);
333         /*ar9300_disable_restart(ah);*/
337     val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
381     OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val | AR_PHY_SPECTRAL_SCAN_ENABLE);
383     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
384         ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
394 ar9300_get_spectral_params(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
400     struct ath_hal_9300 *ahp = AH9300(ah);
403     c = AH_PRIVATE(ah)->ah_curchan;
405         chan = ath_hal_checkchannel(ah, c);
408     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
409         ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
412     val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
424         rx_chain_status = OS_REG_READ(ah, AR_PHY_RX_CHAINMASK) & 0x7;
429                     ar9300_noise_floor_get(ah, chan->channel, ichain);
431                     ar9300_noise_floor_power_get(ah, chan->channel, ichain);
434         ss->ss_nf_temp_data = OS_REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4, AR_PHY_BB_THERM_ADC_4_LATEST_THERM);
440     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
441         ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
446 ar9300_is_spectral_active(struct ath_hal *ah)
450     val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
455 ar9300_is_spectral_enabled(struct ath_hal *ah)
459     val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
463 void ar9300_start_spectral_scan(struct ath_hal *ah)
466     struct ath_hal_9300 *ahp = AH9300(ah);
469     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
470         ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
473     ar9300_prep_spectral_scan(ah);
476     val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
482         OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
483         val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
486     OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
489     val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG);
490     OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val | AR_PHY_ERR_RADAR);
492     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
493         ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
497 void ar9300_stop_spectral_scan(struct ath_hal *ah)
500     struct ath_hal_9300 *ahp = AH9300(ah);
503     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
504         ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
506     val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
514     OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
515     val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
517     OS_REG_RMW_FIELD(ah, AR_PHY_RADAR_1, AR_PHY_RADAR_1_CF_BIN_THRESH,
519     OS_REG_RMW_FIELD(ah, AR_PHY_TIMING2, AR_PHY_TIMING2_DC_OFFSET,
521     OS_REG_WRITE(ah, AR_PHY_ERR, 0);
523     if (AH_PRIVATE(ah)->ah_curchan &&
524         IS_5GHZ_FAST_CLOCK_EN(ah, AH_PRIVATE(ah)->ah_curchan))
526         OS_REG_RMW_FIELD(ah, AR_PHY_MODE, AR_PHY_MODE_DISABLE_CCK,
530     val = OS_REG_READ(ah, AR_PHY_ERR);
532     val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG) & (~AR_PHY_ERR_RADAR);
533     OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val);
535     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
536         ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
540 u_int32_t ar9300_get_spectral_config(struct ath_hal *ah)
543     struct ath_hal_9300 *ahp = AH9300(ah);
546     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
547         ar9300_set_power_mode(ah, HAL_PM_AWAKE, AH_TRUE);
550     val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
552     if ((AR_SREV_WASP(ah) || AR_SREV_SCORPION(ah)) && asleep) {
553         ar9300_set_power_mode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
558 int16_t ar9300_get_ctl_chan_nf(struct ath_hal *ah)
562     struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
565     if ( (OS_REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) == 0) {
567         nf = MS(OS_REG_READ(ah, AR_PHY_CCA_0), AR_PHY_MINCCA_PWR);
570         nf = AH9300(ah)->nfp->nominal;
578 int16_t ar9300_get_ext_chan_nf(struct ath_hal *ah)
582     struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
585     if ((OS_REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) == 0) {
587         nf = MS(OS_REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
590         nf = AH9300(ah)->nfp->nominal;