Make some changes which mimic what we see in register dumps. Also,
lets move ar5212 initial settings out into a helper during reset
to make code more readible.
Changes-licensed-under: ISC
Signed-off-by: Nick Kossifidis <mickflemm@xxxxxxxxx>
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath5k/hw.c | 66 +++++++++++++++++++++++++++++---------
1 files changed, 50 insertions(+), 16 deletions(-)
diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
index 6f69e46..b8e412c 100644
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -589,6 +589,38 @@ static inline void ath5k_hw_write_rate_duration(struct ath5k_hw *ah,
}
/*
+ * ath5k_hw_reset_ar5212 - reset helper for ar5212
+ *
+ * @ah: the &struct ath5k_hw
+ * @channel: the &ieee80211_channel
+ *
+ * This is a helper to ath5k_hw_reset() for AR5212.
+ */
+static inline void ath5k_hw_reset_init_ar5212(struct ath5k_hw *ah,
+ struct ieee80211_channel *channel)
+{
+ ath5k_hw_reg_write(ah, 0x0002a002, AR5K_PHY(11));
+
+ if ((channel->hw_value & CHANNEL_MODES) == CHANNEL_G) {
+ if (ah->ah_mac_srev < AR5K_SREV_VER_AR2413)
+ ath5k_hw_reg_write(ah, 0x00f80d80, AR5K_PHY(83));
+ else if (ah->ah_mac_srev < AR5K_SREV_VER_AR2424)
+ ath5k_hw_reg_write(ah, 0x00380140, AR5K_PHY(83));
+ else if (ah->ah_mac_srev < AR5K_SREV_VER_AR2425)
+ ath5k_hw_reg_write(ah, 0x00fc0ec0, AR5K_PHY(83));
+ else
+ /* 2425 */
+ ath5k_hw_reg_write(ah, 0x00fc0fc0, AR5K_PHY(83));
+ } else
+ ath5k_hw_reg_write(ah, 0x00000000, AR5K_PHY(83));
+
+ ath5k_hw_reg_write(ah, 0x000009b5, 0xa228);
+ ath5k_hw_reg_write(ah, 0x0000000f, 0x8060);
+ ath5k_hw_reg_write(ah, 0x00000000, 0xa254);
+ ath5k_hw_reg_write(ah, 0x0000000e, AR5K_PHY_SCAL);
+}
+
+/*
* Main reset function
*/
int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
@@ -724,20 +756,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
/*
* Write some more initial register settings
*/
- if (ah->ah_version > AR5K_AR5211){ /* found on 5213+ */
- ath5k_hw_reg_write(ah, 0x0002a002, AR5K_PHY(11));
-
- if (channel->hw_value == CHANNEL_G)
- ath5k_hw_reg_write(ah, 0x00f80d80, AR5K_PHY(83)); /* 0x00fc0ec0 */
- else
- ath5k_hw_reg_write(ah, 0x00000000, AR5K_PHY(83));
-
- ath5k_hw_reg_write(ah, 0x000001b5, 0xa228); /* 0x000009b5 */
- ath5k_hw_reg_write(ah, 0x000009b5, 0xa228);
- ath5k_hw_reg_write(ah, 0x0000000f, 0x8060);
- ath5k_hw_reg_write(ah, 0x00000000, 0xa254);
- ath5k_hw_reg_write(ah, 0x0000000e, AR5K_PHY_SCAL);
- }
+ if (ah->ah_version == AR5K_AR5212)
+ ath5k_hw_reset_init_ar5212(ah, channel);
/* Fix for first revision of the RF5112 RF chipset */
if (ah->ah_radio >= AR5K_RF5112 &&
@@ -1015,6 +1035,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
/*
* Set the 32MHz reference clock on 5212 phy clock sleep register
+ *
+ * TODO: Find out how to switch to external 32Khz clock to save power
*/
if (ah->ah_version == AR5K_AR5212) {
ath5k_hw_reg_write(ah, AR5K_PHY_SCR_32MHZ, AR5K_PHY_SCR);
@@ -1025,6 +1047,14 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
ath5k_hw_reg_write(ah, ah->ah_phy_spending, AR5K_PHY_SPENDING);
}
+ if (ah->ah_version == AR5K_AR5212) {
+ ath5k_hw_reg_write(ah, 0x000100aa, 0x8118);
+ ath5k_hw_reg_write(ah, 0x00003210, 0x811c);
+ ath5k_hw_reg_write(ah, 0x00000052, 0x8108);
+ if (ah->ah_mac_srev >= AR5K_SREV_VER_AR2413)
+ ath5k_hw_reg_write(ah, 0x00000004, 0x8120);
+ }
+
/*
* Disable beacons and reset the register
*/
@@ -2269,8 +2299,8 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
* Set simple BSSID mask on 5212
*/
if (ah->ah_version == AR5K_AR5212) {
- ath5k_hw_reg_write(ah, 0xfffffff, AR5K_BSS_IDM0);
- ath5k_hw_reg_write(ah, 0xfffffff, AR5K_BSS_IDM1);
+ ath5k_hw_reg_write(ah, 0xffffffff, AR5K_BSS_IDM0);
+ ath5k_hw_reg_write(ah, 0xffffffff, AR5K_BSS_IDM1);
}
/*
@@ -2415,6 +2445,8 @@ void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah)
{
ATH5K_TRACE(ah->ah_sc);
AR5K_REG_DISABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX);
+
+ /* TODO: ANI Support */
}
/*
@@ -2424,6 +2456,8 @@ void ath5k_hw_stop_pcu_recv(struct ath5k_hw *ah)
{
ATH5K_TRACE(ah->ah_sc);
AR5K_REG_ENABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX);
+
+ /* TODO: ANI Support */
}
/*
--
1.5.3.7
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
