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ath9k_hw: add a private op for configuring radar pulse detection

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-11-11 03:18:38 +01:00 committed by John W. Linville
parent 82b873afe8
commit 4e8c14e958
3 changed files with 100 additions and 0 deletions
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32
drivers/net/wireless/ath/ath9k/ar5008_phy.c
View File

@ -1579,6 +1579,37 @@ static void ar5008_hw_set_nf_limits(struct ath_hw *ah)
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);
}
void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
{
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
@ -1609,6 +1640,7 @@ void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
priv_ops->restore_chainmask = ar5008_restore_chainmask;
priv_ops->set_diversity = ar5008_set_diversity;
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;

32
drivers/net/wireless/ath/ath9k/ar9003_phy.c
View File

@ -1113,6 +1113,37 @@ static void ar9003_hw_ani_cache_ini_regs(struct ath_hw *ah)
aniState->mrcCCKOff = !ATH9K_ANI_ENABLE_MRC_CCK;
}
static void ar9003_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);
}
void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
{
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
@ -1141,6 +1172,7 @@ void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
priv_ops->ani_control = ar9003_hw_ani_control;
priv_ops->do_getnf = ar9003_hw_do_getnf;
priv_ops->ani_cache_ini_regs = ar9003_hw_ani_cache_ini_regs;
priv_ops->set_radar_params = ar9003_hw_set_radar_params;
ar9003_hw_set_nf_limits(ah);
memcpy(ah->nf_regs, ar9300_cca_regs, sizeof(ah->nf_regs));

36
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -484,6 +484,40 @@ struct ath_hw_antcomb_conf {
u8 fast_div_bias;
};
/**
* struct ath_hw_radar_conf - radar detection initialization parameters
*
* @pulse_inband: threshold for checking the ratio of in-band power
* to total power for short radar pulses (half dB steps)
* @pulse_inband_step: threshold for checking an in-band power to total
* power ratio increase for short radar pulses (half dB steps)
* @pulse_height: threshold for detecting the beginning of a short
* radar pulse (dB step)
* @pulse_rssi: threshold for detecting if a short radar pulse is
* gone (dB step)
* @pulse_maxlen: maximum pulse length (0.8 us steps)
*
* @radar_rssi: RSSI threshold for starting long radar detection (dB steps)
* @radar_inband: threshold for checking the ratio of in-band power
* to total power for long radar pulses (half dB steps)
* @fir_power: threshold for detecting the end of a long radar pulse (dB)
*
* @ext_channel: enable extension channel radar detection
*/
struct ath_hw_radar_conf {
unsigned int pulse_inband;
unsigned int pulse_inband_step;
unsigned int pulse_height;
unsigned int pulse_rssi;
unsigned int pulse_maxlen;
unsigned int radar_rssi;
unsigned int radar_inband;
int fir_power;
bool ext_channel;
};
/**
* struct ath_hw_private_ops - callbacks used internally by hardware code
*
@ -549,6 +583,8 @@ struct ath_hw_private_ops {
bool (*ani_control)(struct ath_hw *ah, enum ath9k_ani_cmd cmd,
int param);
void (*do_getnf)(struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS]);
void (*set_radar_params)(struct ath_hw *ah,
struct ath_hw_radar_conf *conf);
/* ANI */
void (*ani_cache_ini_regs)(struct ath_hw *ah);