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ath9k_hw: Configure internal regulator for AR9485

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Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2010-12-07 02:20:39 -08:00 committed by John W. Linville
parent 47e84dfb41
commit ab09b5b4be
2 changed files with 82 additions and 15 deletions
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89
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View file

@ -3653,29 +3653,88 @@ static void ar9003_hw_atten_apply(struct ath_hw *ah, struct ath9k_channel *chan)
}
}
static bool is_pmu_set(struct ath_hw *ah, u32 pmu_reg, int pmu_set)
{
int timeout = 100;
while (pmu_set != REG_READ(ah, pmu_reg)) {
if (timeout-- == 0)
return false;
REG_WRITE(ah, pmu_reg, pmu_set);
udelay(10);
}
return true;
}
static void ar9003_hw_internal_regulator_apply(struct ath_hw *ah)
{
int internal_regulator =
ath9k_hw_ar9300_get_eeprom(ah, EEP_INTERNAL_REGULATOR);
if (internal_regulator) {
/* Internal regulator is ON. Write swreg register. */
int swreg = ath9k_hw_ar9300_get_eeprom(ah, EEP_SWREG);
REG_WRITE(ah, AR_RTC_REG_CONTROL1,
REG_READ(ah, AR_RTC_REG_CONTROL1) &
(~AR_RTC_REG_CONTROL1_SWREG_PROGRAM));
REG_WRITE(ah, AR_RTC_REG_CONTROL0, swreg);
/* Set REG_CONTROL1.SWREG_PROGRAM */
REG_WRITE(ah, AR_RTC_REG_CONTROL1,
REG_READ(ah,
AR_RTC_REG_CONTROL1) |
AR_RTC_REG_CONTROL1_SWREG_PROGRAM);
if (AR_SREV_9485(ah)) {
int reg_pmu_set;
reg_pmu_set = REG_READ(ah, AR_PHY_PMU2) & ~AR_PHY_PMU2_PGM;
REG_WRITE(ah, AR_PHY_PMU2, reg_pmu_set);
if (!is_pmu_set(ah, AR_PHY_PMU2, reg_pmu_set))
return;
reg_pmu_set = (5 << 1) | (7 << 4) | (1 << 8) |
(7 << 14) | (6 << 17) | (1 << 20) |
(3 << 24) | (1 << 28);
REG_WRITE(ah, AR_PHY_PMU1, reg_pmu_set);
if (!is_pmu_set(ah, AR_PHY_PMU1, reg_pmu_set))
return;
reg_pmu_set = (REG_READ(ah, AR_PHY_PMU2) & ~0xFFC00000)
| (4 << 26);
REG_WRITE(ah, AR_PHY_PMU2, reg_pmu_set);
if (!is_pmu_set(ah, AR_PHY_PMU2, reg_pmu_set))
return;
reg_pmu_set = (REG_READ(ah, AR_PHY_PMU2) & ~0x00200000)
| (1 << 21);
REG_WRITE(ah, AR_PHY_PMU2, reg_pmu_set);
if (!is_pmu_set(ah, AR_PHY_PMU2, reg_pmu_set))
return;
} else {
/* Internal regulator is ON. Write swreg register. */
int swreg = ath9k_hw_ar9300_get_eeprom(ah, EEP_SWREG);
REG_WRITE(ah, AR_RTC_REG_CONTROL1,
REG_READ(ah, AR_RTC_REG_CONTROL1) &
(~AR_RTC_REG_CONTROL1_SWREG_PROGRAM));
REG_WRITE(ah, AR_RTC_REG_CONTROL0, swreg);
/* Set REG_CONTROL1.SWREG_PROGRAM */
REG_WRITE(ah, AR_RTC_REG_CONTROL1,
REG_READ(ah,
AR_RTC_REG_CONTROL1) |
AR_RTC_REG_CONTROL1_SWREG_PROGRAM);
}
} else {
REG_WRITE(ah, AR_RTC_SLEEP_CLK,
(REG_READ(ah,
AR_RTC_SLEEP_CLK) |
AR_RTC_FORCE_SWREG_PRD));
if (AR_SREV_9485(ah)) {
REG_RMW_FIELD(ah, AR_PHY_PMU2, AR_PHY_PMU2_PGM, 0);
while (REG_READ_FIELD(ah, AR_PHY_PMU2,
AR_PHY_PMU2_PGM))
udelay(10);
REG_RMW_FIELD(ah, AR_PHY_PMU1, AR_PHY_PMU1_PWD, 0x1);
while (!REG_READ_FIELD(ah, AR_PHY_PMU1,
AR_PHY_PMU1_PWD))
udelay(10);
REG_RMW_FIELD(ah, AR_PHY_PMU2, AR_PHY_PMU2_PGM, 0x1);
while (!REG_READ_FIELD(ah, AR_PHY_PMU2,
AR_PHY_PMU2_PGM))
udelay(10);
} else
REG_WRITE(ah, AR_RTC_SLEEP_CLK,
(REG_READ(ah,
AR_RTC_SLEEP_CLK) |
AR_RTC_FORCE_SWREG_PRD));
}
}
static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah,

8
drivers/net/wireless/ath/ath9k/ar9003_phy.h
View file

@ -598,6 +598,14 @@
#define AR_CH0_TOP2_XPABIASLVL 0xf000
#define AR_CH0_TOP2_XPABIASLVL_S 12
#define AR_PHY_PMU1 0x16c40
#define AR_PHY_PMU1_PWD 0x1
#define AR_PHY_PMU1_PWD_S 0
#define AR_PHY_PMU2 0x16c44
#define AR_PHY_PMU2_PGM 0x00200000
#define AR_PHY_PMU2_PGM_S 21
#define AR_PHY_RX1DB_BIQUAD_LONG_SHIFT 0x00380000
#define AR_PHY_RX1DB_BIQUAD_LONG_SHIFT_S 19
#define AR_PHY_RX6DB_BIQUAD_LONG_SHIFT 0x00c00000