* Set correct PLL settings for each bwmode
Signed-off-by: Nick Kossifidis <[email protected]>
---
drivers/net/wireless/ath/ath5k/reset.c | 28 +++++++++++++++++++++++-----
1 files changed, 23 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index ee605cd..ef57bce 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -500,7 +500,6 @@ int ath5k_hw_on_hold(struct ath5k_hw *ah)
/*
* Bring up MAC + PHY Chips and program PLL
- * TODO: Half/Quarter rate support
*/
int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
{
@@ -588,7 +587,8 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
* CCK headers) operation. We need to test
* this, 5211 might support ofdm-only g after
* all, there are also initial register values
- * in the code for g mode (see initvals.c). */
+ * in the code for g mode (see initvals.c).
+ */
if (ah->ah_version == AR5K_AR5211)
mode |= AR5K_PHY_MODE_MOD_OFDM;
else
@@ -601,6 +601,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
} else if (flags & CHANNEL_5GHZ) {
mode |= AR5K_PHY_MODE_FREQ_5GHZ;
+ /* Different PLL setting for 5413 */
if (ah->ah_radio == AR5K_RF5413)
clock = AR5K_PHY_PLL_40MHZ_5413;
else
@@ -618,12 +619,29 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
return -EINVAL;
}
- if (flags & CHANNEL_TURBO)
- turbo = AR5K_PHY_TURBO_MODE | AR5K_PHY_TURBO_SHORT;
+ /*XXX: Can bwmode be used with dynamic mode ?
+ * (I don't think it supports 44MHz) */
+ /* On 2425 initvals TURBO_SHORT is not pressent */
+ if (ah->ah_bwmode == AR5K_BWMODE_40MHZ) {
+ turbo = AR5K_PHY_TURBO_MODE |
+ (ah->ah_radio == AR5K_RF2425) ? 0 :
+ AR5K_PHY_TURBO_SHORT;
+ } else if (ah->ah_bwmode != AR5K_BWMODE_DEFAULT) {
+ if (ah->ah_radio == AR5K_RF5413) {
+ mode |= (ah->ah_bwmode == AR5K_BWMODE_10MHZ) ?
+ AR5K_PHY_MODE_HALF_RATE :
+ AR5K_PHY_MODE_QUARTER_RATE;
+ } else if (ah->ah_version == AR5K_AR5212) {
+ clock |= (ah->ah_bwmode == AR5K_BWMODE_10MHZ) ?
+ AR5K_PHY_PLL_HALF_RATE :
+ AR5K_PHY_PLL_QUARTER_RATE;
+ }
+ }
+
} else { /* Reset the device */
/* ...enable Atheros turbo mode if requested */
- if (flags & CHANNEL_TURBO)
+ if (ah->ah_bwmode == AR5K_BWMODE_40MHZ)
ath5k_hw_reg_write(ah, AR5K_PHY_TURBO_MODE,
AR5K_PHY_TURBO);
}