The PLL control computation used to program the AR_RTC_PLL_CONTROL
register varies between our harware so just add a private callback for it.
AR9003 will use its own callback.
Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/ar5008_phy.c | 55 +++++++++++++++++++++++
drivers/net/wireless/ath/ath9k/ar9002_phy.c | 31 +++++++++++++
drivers/net/wireless/ath/ath9k/hw.c | 64 +++------------------------
drivers/net/wireless/ath/ath9k/hw.h | 4 ++
4 files changed, 97 insertions(+), 57 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index 4459d63..31ecea8 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -961,6 +961,54 @@ static void ar5008_set_diversity(struct ath_hw *ah, bool value)
REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
}
+static u32 ar9100_hw_compute_pll_control(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ if (chan && IS_CHAN_5GHZ(chan))
+ return 0x1450;
+ return 0x1458;
+}
+
+static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ u32 pll;
+
+ pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
+
+ if (chan && IS_CHAN_HALF_RATE(chan))
+ pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
+ else if (chan && IS_CHAN_QUARTER_RATE(chan))
+ pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
+
+ if (chan && IS_CHAN_5GHZ(chan))
+ pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
+ else
+ pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
+
+ return pll;
+}
+
+static u32 ar5008_hw_compute_pll_control(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ u32 pll;
+
+ pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
+
+ if (chan && IS_CHAN_HALF_RATE(chan))
+ pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
+ else if (chan && IS_CHAN_QUARTER_RATE(chan))
+ pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
+
+ if (chan && IS_CHAN_5GHZ(chan))
+ pll |= SM(0xa, AR_RTC_PLL_DIV);
+ else
+ pll |= SM(0xb, AR_RTC_PLL_DIV);
+
+ return pll;
+}
+
void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
{
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
@@ -982,4 +1030,11 @@ void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
priv_ops->enable_rfkill = ar5008_hw_enable_rfkill;
priv_ops->restore_chainmask = ar5008_restore_chainmask;
priv_ops->set_diversity = ar5008_set_diversity;
+
+ if (AR_SREV_9100(ah))
+ priv_ops->compute_pll_control = ar9100_hw_compute_pll_control;
+ else if (AR_SREV_9160_10_OR_LATER(ah))
+ priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
+ else
+ priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
}
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index 1c36012..f94fc27 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -437,6 +437,36 @@ static void ar9002_olc_init(struct ath_hw *ah)
}
}
+static u32 ar9002_hw_compute_pll_control(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ u32 pll;
+
+ pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
+
+ if (chan && IS_CHAN_HALF_RATE(chan))
+ pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
+ else if (chan && IS_CHAN_QUARTER_RATE(chan))
+ pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
+
+ if (chan && IS_CHAN_5GHZ(chan)) {
+ pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
+
+
+ if (AR_SREV_9280_20(ah)) {
+ if (((chan->channel % 20) == 0)
+ || ((chan->channel % 10) == 0))
+ pll = 0x2850;
+ else
+ pll = 0x142c;
+ }
+ } else {
+ pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
+ }
+
+ return pll;
+}
+
void ar9002_hw_attach_phy_ops(struct ath_hw *ah)
{
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
@@ -447,4 +477,5 @@ void ar9002_hw_attach_phy_ops(struct ath_hw *ah)
priv_ops->rf_set_freq = ar9002_hw_set_channel;
priv_ops->spur_mitigate_freq = ar9002_hw_spur_mitigate;
priv_ops->olc_init = ar9002_olc_init;
+ priv_ops->compute_pll_control = ar9002_hw_compute_pll_control;
}
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b242b03..d3b7a98 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -67,6 +67,12 @@ static bool ath9k_hw_macversion_supported(struct ath_hw *ah)
return ath9k_hw_private_ops(ah)->macversion_supported(ah->hw_version.macVersion);
}
+static u32 ath9k_hw_compute_pll_control(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ return ath9k_hw_private_ops(ah)->compute_pll_control(ah, chan);
+}
+
/********************/
/* Helper Functions */
/********************/
@@ -1031,64 +1037,8 @@ static void ath9k_hw_init_qos(struct ath_hw *ah)
static void ath9k_hw_init_pll(struct ath_hw *ah,
struct ath9k_channel *chan)
{
- u32 pll;
-
- if (AR_SREV_9100(ah)) {
- if (chan && IS_CHAN_5GHZ(chan))
- pll = 0x1450;
- else
- pll = 0x1458;
- } else {
- if (AR_SREV_9280_10_OR_LATER(ah)) {
- pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
-
- if (chan && IS_CHAN_HALF_RATE(chan))
- pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
- else if (chan && IS_CHAN_QUARTER_RATE(chan))
- pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
-
- if (chan && IS_CHAN_5GHZ(chan)) {
- pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
-
-
- if (AR_SREV_9280_20(ah)) {
- if (((chan->channel % 20) == 0)
- || ((chan->channel % 10) == 0))
- pll = 0x2850;
- else
- pll = 0x142c;
- }
- } else {
- pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
- }
-
- } else if (AR_SREV_9160_10_OR_LATER(ah)) {
-
- pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
-
- if (chan && IS_CHAN_HALF_RATE(chan))
- pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
- else if (chan && IS_CHAN_QUARTER_RATE(chan))
- pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
-
- if (chan && IS_CHAN_5GHZ(chan))
- pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
- else
- pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
- } else {
- pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
-
- if (chan && IS_CHAN_HALF_RATE(chan))
- pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
- else if (chan && IS_CHAN_QUARTER_RATE(chan))
- pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
+ u32 pll = ath9k_hw_compute_pll_control(ah, chan);
- if (chan && IS_CHAN_5GHZ(chan))
- pll |= SM(0xa, AR_RTC_PLL_DIV);
- else
- pll |= SM(0xb, AR_RTC_PLL_DIV);
- }
- }
REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
/* Switch the core clock for ar9271 to 117Mhz */
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index b277b41..a0ab32a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -454,6 +454,8 @@ struct ath_gen_timer_table {
* @rf_alloc_ext_banks:
* @rf_free_ext_banks:
* @set_rf_regs:
+ * @compute_pll_control: compute the PLL control value to use for
+ * AR_RTC_PLL_CONTROL for a given channel
*/
struct ath_hw_private_ops {
void (*init_cal_settings)(struct ath_hw *ah);
@@ -483,6 +485,8 @@ struct ath_hw_private_ops {
void (*enable_rfkill)(struct ath_hw *ah);
void (*restore_chainmask)(struct ath_hw *ah);
void (*set_diversity)(struct ath_hw *ah, bool value);
+ u32 (*compute_pll_control)(struct ath_hw *ah,
+ struct ath9k_channel *chan);
};
/**
--
1.6.3.3
--
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