diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-04-16 01:38:34 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-04-16 23:43:23 +0400 |
| commit | 317d33280c63f32bd84c49aacaaae047e981b441 (patch) | |
| tree | 7a473c49289a5b26a189ecbfb2546d6ad1500283 /drivers/net/wireless | |
| parent | f7abf0c1958ab363874cad0d799a1bb43880145a (diff) | |
| download | linux-317d33280c63f32bd84c49aacaaae047e981b441.tar.xz | |
ath9k_hw: Implement PLL control on AR9003
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_phy.c | 23 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/reg.h | 6 |
2 files changed, 27 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index f1632abdce50..9767265cde02 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -112,8 +112,27 @@ static void ar9003_hw_spur_mitigate(struct ath_hw *ah, static u32 ar9003_hw_compute_pll_control(struct ath_hw *ah, struct ath9k_channel *chan) { - /* TODO */ - return 0; + u32 pll; + + pll = SM(0x5, AR_RTC_9300_PLL_REFDIV); + + if (chan && IS_CHAN_HALF_RATE(chan)) + pll |= SM(0x1, AR_RTC_9300_PLL_CLKSEL); + else if (chan && IS_CHAN_QUARTER_RATE(chan)) + pll |= SM(0x2, AR_RTC_9300_PLL_CLKSEL); + + if (chan && IS_CHAN_5GHZ(chan)) { + pll |= SM(0x28, AR_RTC_9300_PLL_DIV); + + /* + * When doing fast clock, set PLL to 0x142c + */ + if (IS_CHAN_A_5MHZ_SPACED(chan)) + pll = 0x142c; + } else + pll |= SM(0x2c, AR_RTC_9300_PLL_DIV); + + return pll; } static void ar9003_hw_set_channel_regs(struct ath_hw *ah, diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index bc48bc92076f..9d632861aaff 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -1040,6 +1040,12 @@ enum { #define AR_PCIE_MSI (AR_SREV_9300_20_OR_LATER(ah) ? 0x40a4 : 0x4094) #define AR_PCIE_MSI_ENABLE 0x00000001 +#define AR_RTC_9300_PLL_DIV 0x000003ff +#define AR_RTC_9300_PLL_DIV_S 0 +#define AR_RTC_9300_PLL_REFDIV 0x00003C00 +#define AR_RTC_9300_PLL_REFDIV_S 10 +#define AR_RTC_9300_PLL_CLKSEL 0x0000C000 +#define AR_RTC_9300_PLL_CLKSEL_S 14 #define AR_RTC_9160_PLL_DIV 0x000003ff #define AR_RTC_9160_PLL_DIV_S 0 |