ath9k_hw: define registers/macros to support Antenna diversity

define few registers and macros to configure/enable Antenna diversity
parameters in AR9485

Cc: Gabriel Tseng <Gabriel.Tseng@Atheros.com>
Cc: Senthilkumar Balasubramanian <Senthilkumar.Balasubramanian@Atheros.com>
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 25 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index 2a0d5cbb7e76..c7505b48e5c0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -261,12 +261,34 @@
 #define AR_PHY_EXT_CCA0         (AR_AGC_BASE + 0x20)
 #define AR_PHY_RESTART          (AR_AGC_BASE + 0x24)
 
+/*
+ * Antenna Diversity  settings
+ */
 #define AR_PHY_MC_GAIN_CTRL     (AR_AGC_BASE + 0x28)
 #define AR_ANT_DIV_CTRL_ALL     0x7e000000
 #define AR_ANT_DIV_CTRL_ALL_S   25
 #define AR_ANT_DIV_ENABLE       0x1000000
 #define AR_ANT_DIV_ENABLE_S     24
 
+
+#define AR_PHY_9485_ANT_FAST_DIV_BIAS                   0x00007e00
+#define AR_PHY_9485_ANT_FAST_DIV_BIAS_S                  9
+#define AR_PHY_9485_ANT_DIV_LNADIV                      0x01000000
+#define AR_PHY_9485_ANT_DIV_LNADIV_S                    24
+#define AR_PHY_9485_ANT_DIV_ALT_LNACONF                 0x06000000
+#define AR_PHY_9485_ANT_DIV_ALT_LNACONF_S               25
+#define AR_PHY_9485_ANT_DIV_MAIN_LNACONF                0x18000000
+#define AR_PHY_9485_ANT_DIV_MAIN_LNACONF_S              27
+#define AR_PHY_9485_ANT_DIV_ALT_GAINTB                  0x20000000
+#define AR_PHY_9485_ANT_DIV_ALT_GAINTB_S                29
+#define AR_PHY_9485_ANT_DIV_MAIN_GAINTB                 0x40000000
+#define AR_PHY_9485_ANT_DIV_MAIN_GAINTB_S               30
+
+#define AR_PHY_9485_ANT_DIV_LNA1_MINUS_LNA2             0x0
+#define AR_PHY_9485_ANT_DIV_LNA2                        0x1
+#define AR_PHY_9485_ANT_DIV_LNA1                        0x2
+#define AR_PHY_9485_ANT_DIV_LNA1_PLUS_LNA2              0x3
+
 #define AR_PHY_EXTCHN_PWRTHR1   (AR_AGC_BASE + 0x2c)
 #define AR_PHY_EXT_CHN_WIN      (AR_AGC_BASE + 0x30)
 #define AR_PHY_20_40_DET_THR    (AR_AGC_BASE + 0x34)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 67cca10bf4c9..80f512d1f975 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -479,6 +479,9 @@ struct ath_hw_antcomb_conf {
         u8 main_lna_conf;
         u8 alt_lna_conf;
         u8 fast_div_bias;
+        u8 main_gaintb;
+        u8 alt_gaintb;
+        int lna1_lna2_delta;
 };
 
 /**