diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2010-09-02 12:34:42 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-09-07 21:54:33 +0400 |
| commit | 21cc630f47d8589a42d563e89be4c631edbe8716 (patch) | |
| tree | 82ed06d5a1a677f1cb74e9a9abd3ae7cb5302872 | |
| parent | 754dc53641e0038cd4fd3574b1f5b3c7239f73ce (diff) | |
| download | linux-21cc630f47d8589a42d563e89be4c631edbe8716.tar.xz | |
ath9k_hw: Add functions to get/set antenna diversity configuration
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_phy.c | 35 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_phy.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 10 |
3 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index adbf031fbc5a..cd56c8692705 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -530,3 +530,38 @@ void ar9002_hw_attach_phy_ops(struct ath_hw *ah) ar9002_hw_set_nf_limits(ah); } + +void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah, + struct ath_hw_antcomb_conf *antconf) +{ + u32 regval; + + regval = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL); + antconf->main_lna_conf = (regval & AR_PHY_9285_ANT_DIV_MAIN_LNACONF) >> + AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S; + antconf->alt_lna_conf = (regval & AR_PHY_9285_ANT_DIV_ALT_LNACONF) >> + AR_PHY_9285_ANT_DIV_ALT_LNACONF_S; + antconf->fast_div_bias = (regval & AR_PHY_9285_FAST_DIV_BIAS) >> + AR_PHY_9285_FAST_DIV_BIAS_S; +} +EXPORT_SYMBOL(ath9k_hw_antdiv_comb_conf_get); + +void ath9k_hw_antdiv_comb_conf_set(struct ath_hw *ah, + struct ath_hw_antcomb_conf *antconf) +{ + u32 regval; + + regval = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL); + regval &= ~(AR_PHY_9285_ANT_DIV_MAIN_LNACONF | + AR_PHY_9285_ANT_DIV_ALT_LNACONF | + AR_PHY_9285_FAST_DIV_BIAS); + regval |= ((antconf->main_lna_conf << AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S) + & AR_PHY_9285_ANT_DIV_MAIN_LNACONF); + regval |= ((antconf->alt_lna_conf << AR_PHY_9285_ANT_DIV_ALT_LNACONF_S) + & AR_PHY_9285_ANT_DIV_ALT_LNACONF); + regval |= ((antconf->fast_div_bias << AR_PHY_9285_FAST_DIV_BIAS_S) + & AR_PHY_9285_FAST_DIV_BIAS); + + REG_WRITE(ah, AR_PHY_MULTICHAIN_GAIN_CTL, regval); +} +EXPORT_SYMBOL(ath9k_hw_antdiv_comb_conf_set); diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.h b/drivers/net/wireless/ath/ath9k/ar9002_phy.h index c5151a4dd10b..37663dbbcf57 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.h @@ -302,6 +302,8 @@ #define AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE 0x80000000 #define AR_PHY_MULTICHAIN_GAIN_CTL 0x99ac +#define AR_PHY_9285_FAST_DIV_BIAS 0x00007E00 +#define AR_PHY_9285_FAST_DIV_BIAS_S 9 #define AR_PHY_9285_ANT_DIV_CTL_ALL 0x7f000000 #define AR_PHY_9285_ANT_DIV_CTL 0x01000000 #define AR_PHY_9285_ANT_DIV_CTL_S 24 diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 1a0efbd03e4f..197c717286e7 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -496,6 +496,12 @@ struct ath_gen_timer_table { } timer_mask; }; +struct ath_hw_antcomb_conf { + u8 main_lna_conf; + u8 alt_lna_conf; + u8 fast_div_bias; +}; + /** * struct ath_hw_private_ops - callbacks used internally by hardware code * @@ -889,6 +895,10 @@ void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio, void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val); u32 ath9k_hw_getdefantenna(struct ath_hw *ah); void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna); +void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah, + struct ath_hw_antcomb_conf *antconf); +void ath9k_hw_antdiv_comb_conf_set(struct ath_hw *ah, + struct ath_hw_antcomb_conf *antconf); /* General Operation */ bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout); |