From: Vasanthakumar Thiagarajan <vasanth@atheros.com>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org
Subject: [PATCH V2 17/22] ath9k_hw: Configure chain switch table and attenuation control only for active chains
Date: Tue, 19 Apr 2011 19:29:15 +0530 [thread overview]
Message-ID: <1303221560-25139-18-git-send-email-vasanth@atheros.com> (raw)
In-Reply-To: <1303221560-25139-1-git-send-email-vasanth@atheros.com>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
---
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 44 ++++++++++++++----------
1 files changed, 26 insertions(+), 18 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index a59f9c0..56a2f78 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3501,23 +3501,28 @@ static u16 ar9003_hw_ant_ctrl_chain_get(struct ath_hw *ah,
static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz)
{
+ int chain;
+ static const u32 switch_chain_reg[AR9300_MAX_CHAINS] = {
+ AR_PHY_SWITCH_CHAIN_0,
+ AR_PHY_SWITCH_CHAIN_1,
+ AR_PHY_SWITCH_CHAIN_2,
+ };
+
u32 value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
+
REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM, AR_SWITCH_TABLE_COM_ALL, value);
value = ar9003_hw_ant_ctrl_common_2_get(ah, is2ghz);
REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2, AR_SWITCH_TABLE_COM2_ALL, value);
- value = ar9003_hw_ant_ctrl_chain_get(ah, 0, is2ghz);
- REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_0, AR_SWITCH_TABLE_ALL, value);
-
- if (!AR_SREV_9485(ah)) {
- value = ar9003_hw_ant_ctrl_chain_get(ah, 1, is2ghz);
- REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_1, AR_SWITCH_TABLE_ALL,
- value);
-
- value = ar9003_hw_ant_ctrl_chain_get(ah, 2, is2ghz);
- REG_RMW_FIELD(ah, AR_PHY_SWITCH_CHAIN_2, AR_SWITCH_TABLE_ALL,
- value);
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if ((ah->rxchainmask & BIT(chain)) ||
+ (ah->txchainmask & BIT(chain))) {
+ value = ar9003_hw_ant_ctrl_chain_get(ah, chain,
+ is2ghz);
+ REG_RMW_FIELD(ah, switch_chain_reg[chain],
+ AR_SWITCH_TABLE_ALL, value);
+ }
}
if (AR_SREV_9485(ah)) {
@@ -3638,13 +3643,16 @@ static void ar9003_hw_atten_apply(struct ath_hw *ah, struct ath9k_channel *chan)
/* Test value. if 0 then attenuation is unused. Don't load anything. */
for (i = 0; i < 3; i++) {
- value = ar9003_hw_atten_chain_get(ah, i, chan);
- REG_RMW_FIELD(ah, ext_atten_reg[i],
- AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
-
- value = ar9003_hw_atten_chain_get_margin(ah, i, chan);
- REG_RMW_FIELD(ah, ext_atten_reg[i],
- AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN, value);
+ if (ah->txchainmask & BIT(i)) {
+ value = ar9003_hw_atten_chain_get(ah, i, chan);
+ REG_RMW_FIELD(ah, ext_atten_reg[i],
+ AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
+
+ value = ar9003_hw_atten_chain_get_margin(ah, i, chan);
+ REG_RMW_FIELD(ah, ext_atten_reg[i],
+ AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,
+ value);
+ }
}
}
--
1.7.0.4
next prev parent reply other threads:[~2011-04-19 13:59 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-19 13:58 [PATCH V2 00/22] Add support for AR9340 Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 02/22] ath9k_hw: Take care of few host interface register changes " Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 03/22] ath9k_hw: Get AHB clock information from ath9k_platform_data Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 04/22] ath9k_hw: Configure pll control register accordingly for AR9340 Vasanthakumar Thiagarajan
2011-04-19 14:13 ` Sujith
2011-04-20 4:35 ` Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 05/22] ath9k_hw: Add initvals.h for ar9340 Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 08/22] ath9k_hw: Initialize tx and rx gain table from " Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 09/22] ath9k_hw: Read spur frequency information from eeprom for AR9340 Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 10/22] ath9k_hw: Configure RF channel freqency " Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 11/22] ath9k_hw: Clean up rx/tx chain configuration before AGC/IQ cal Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 13/22] ath9k_hw: Don't configure AR_CH0_THERM for AR9340 Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 14/22] ath9k_hw: Skip internal regulator configuration " Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 15/22] ath9k_hw: Configure tuning capacitance value for AR9340 as well Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 16/22] ath9k_hw: Enable byte Tx/Rx data swap for AR9340 Vasanthakumar Thiagarajan
2011-04-19 13:59 ` Vasanthakumar Thiagarajan [this message]
2011-04-19 13:59 ` [PATCH V2 18/22] ath9k_hw: Read iq calibration data only for active chains Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 19/22] ath9k: Add AR9340 platform id to id table Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 21/22] ath9k_hw: Disable INTR_HOST1_FATAL to avoid interrupt strom with ar9430 Vasanthakumar Thiagarajan
2011-04-19 13:59 ` [PATCH V2 22/22] ath9k_hw: Enable AR9340 support Vasanthakumar Thiagarajan
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