2007-12-16 01:01:04

by Nick Kossifidis

[permalink] [raw]
Subject: [PATCH 5/9] ath5k: Reorder reset function to match regdumps

* Modify reset function to match regdumps, we still have some things to fix.

Changes-licensed-under: ISC
Signed-off-by: Nick Kossifidis <[email protected]>

---
diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
index 72d0432..ed311ae 100644
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -683,7 +683,9 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,

}

- ath5k_hw_write_initvals(ah, mode, change_channel);
+ ret = ath5k_hw_write_initvals(ah, mode, change_channel);
+ if (ret)
+ return ret;

/*
* 5211/5212 Specific
@@ -699,8 +701,23 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,

mdelay(1);

- if (ah->ah_version == AR5K_AR5212)
- ath5k_hw_write_rate_duration(ah, driver_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->val == 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);
+ }

/* Fix for first revision of the RF5112 RF chipset */
if (ah->ah_radio >= AR5K_RF5112 &&
@@ -716,12 +733,16 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
}

/*
- * Set TX power (XXX use txpower from net80211)
+ * Set TX power (FIXME)
*/
ret = ath5k_hw_txpower(ah, channel, AR5K_TUNE_DEFAULT_TXPOWER);
if (ret)
return ret;

+ /* Write rate duration table */
+ if (ah->ah_version == AR5K_AR5212)
+ ath5k_hw_write_rate_duration(ah, driver_mode);
+
/*
* Write RF registers
* TODO:Does this work on 5211 (5111) ?
@@ -754,6 +775,17 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
}

/*
+ * Set channel and calibrate the PHY
+ */
+ ret = ath5k_hw_channel(ah, channel);
+ if (ret)
+ return ret;
+
+ /* Set antenna mode */
+ AR5K_REG_MASKED_BITS(ah, AR5K_PHY(0x44),
+ ah->ah_antenna[ee_mode][0], 0xfffffc06);
+
+ /*
* In case a fixed antenna was set as default
* write the same settings on both AR5K_PHY_ANT_SWITCH_TABLE
* registers.
@@ -862,13 +894,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode,
}

/*
- * Set channel and calibrate the PHY
- */
- ret = ath5k_hw_channel(ah, channel);
- if (ret)
- return ret;
-
- /*
* Enable the PHY and wait until completion
*/
ath5k_hw_reg_write(ah, AR5K_PHY_ACT_ENABLE, AR5K_PHY_ACT);