diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2008-09-10 18:50:17 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-09-15 16:48:19 -0400 |
| commit | 500c064d3a5f9c8aa604ef63a1346ab70eed443a (patch) | |
| tree | d7345fa9f894bcbc21e80e886cc3f32589469bad /drivers/net/wireless/ath9k/hw.c | |
| parent | 8feceb67929bd23bfca58d5f49df93d7fc315bb1 (diff) | |
ath9k: Add RF kill support
RF kill support is enabled when CONFIG_RFKILL
is set.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath9k/hw.c | 70 |
1 files changed, 40 insertions, 30 deletions
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index 4ccbbc07cf1e..0251e59f2f84 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -2821,7 +2821,38 @@ void ath9k_hw_set_gpio(struct ath_hal *ah, u32 gpio, u32 val) AR_GPIO_BIT(gpio)); } -static u32 ath9k_hw_gpio_get(struct ath_hal *ah, u32 gpio) +/* + * Configure GPIO Input lines + */ +void ath9k_hw_cfg_gpio_input(struct ath_hal *ah, u32 gpio) +{ + u32 gpio_shift; + + ASSERT(gpio < ah->ah_caps.num_gpio_pins); + + gpio_shift = gpio << 1; + + REG_RMW(ah, + AR_GPIO_OE_OUT, + (AR_GPIO_OE_OUT_DRV_NO << gpio_shift), + (AR_GPIO_OE_OUT_DRV << gpio_shift)); +} + +#ifdef CONFIG_RFKILL +static void ath9k_enable_rfkill(struct ath_hal *ah) +{ + REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, + AR_GPIO_INPUT_EN_VAL_RFSILENT_BB); + + REG_CLR_BIT(ah, AR_GPIO_INPUT_MUX2, + AR_GPIO_INPUT_MUX2_RFSILENT); + + ath9k_hw_cfg_gpio_input(ah, ah->ah_rfkill_gpio); + REG_SET_BIT(ah, AR_PHY_TEST, RFSILENT_BB); +} +#endif + +u32 ath9k_hw_gpio_get(struct ath_hal *ah, u32 gpio) { if (gpio >= ah->ah_caps.num_gpio_pins) return 0xffffffff; @@ -3034,17 +3065,17 @@ static bool ath9k_hw_fill_cap_info(struct ath_hal *ah) pCap->hw_caps |= ATH9K_HW_CAP_ENHANCEDPM; +#ifdef CONFIG_RFKILL ah->ah_rfsilent = ath9k_hw_get_eeprom(ahp, EEP_RF_SILENT); if (ah->ah_rfsilent & EEP_RFSILENT_ENABLED) { - ahp->ah_gpioSelect = + ah->ah_rfkill_gpio = MS(ah->ah_rfsilent, EEP_RFSILENT_GPIO_SEL); - ahp->ah_polarity = + ah->ah_rfkill_polarity = MS(ah->ah_rfsilent, EEP_RFSILENT_POLARITY); - ath9k_hw_setcapability(ah, ATH9K_CAP_RFSILENT, 1, true, - NULL); pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT; } +#endif if ((ah->ah_macVersion == AR_SREV_VERSION_5416_PCI) || (ah->ah_macVersion == AR_SREV_VERSION_5416_PCIE) || @@ -5961,6 +5992,10 @@ bool ath9k_hw_reset(struct ath_hal *ah, ath9k_hw_init_interrupt_masks(ah, ah->ah_opmode); ath9k_hw_init_qos(ah); +#ifdef CONFIG_RFKILL + if (ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT) + ath9k_enable_rfkill(ah); +#endif ath9k_hw_init_user_settings(ah); REG_WRITE(ah, AR_STA_ID1, @@ -6490,31 +6525,6 @@ ath9k_hw_setbssidmask(struct ath_hal *ah, const u8 *mask) return true; } -#ifdef CONFIG_ATH9K_RFKILL -static void ath9k_enable_rfkill(struct ath_hal *ah) -{ - struct ath_hal_5416 *ahp = AH5416(ah); - - REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, - AR_GPIO_INPUT_EN_VAL_RFSILENT_BB); - - REG_CLR_BIT(ah, AR_GPIO_INPUT_MUX2, - AR_GPIO_INPUT_MUX2_RFSILENT); - - ath9k_hw_cfg_gpio_input(ah, ahp->ah_gpioSelect); - REG_SET_BIT(ah, AR_PHY_TEST, RFSILENT_BB); - - if (ahp->ah_gpioBit == ath9k_hw_gpio_get(ah, ahp->ah_gpioSelect)) { - - ath9k_hw_set_gpio_intr(ah, ahp->ah_gpioSelect, - !ahp->ah_gpioBit); - } else { - ath9k_hw_set_gpio_intr(ah, ahp->ah_gpioSelect, - ahp->ah_gpioBit); - } -} -#endif - void ath9k_hw_write_associd(struct ath_hal *ah, const u8 *bssid, u16 assocId) |