misc/179482: [ath] Fix AR9462 external LNA configuration
adrian chadd
adrian at FreeBSD.org
Tue Jun 11 09:50:02 UTC 2013
>Number: 179482
>Category: misc
>Synopsis: [ath] Fix AR9462 external LNA configuration
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Jun 11 09:50:01 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: adrian chadd
>Release:
>Organization:
>Environment:
>Description:
This ath9k patch needs porting to freebsd's qca_main HAL.
It unfortunately isn't in the upstream HAL yet; it's in a development branch.
https://patchwork.kernel.org/patch/2696121/
===
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index e6b92ff..25b8bbb 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3563,14 +3563,18 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz)
{
struct ath9k_hw_capabilities *pCap = &ah->caps;
int chain;
- u32 regval;
+ u32 regval, value;
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);
+ if (AR_SREV_9485(ah) && (ar9003_hw_get_rx_gain_idx(ah) == 0))
+ ath9k_hw_cfg_output(ah, AR9300_EXT_LNA_CTL_GPIO_AR9485,
+ AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED);
+
+ value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) {
REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index e717741..5013c73 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -351,6 +351,8 @@
#define AR_PHY_CCA_NOM_VAL_9330_2GHZ -118
+#define AR9300_EXT_LNA_CTL_GPIO_AR9485 9
+
/*
* AGC Field Definitions
*/
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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