From: Vasanthakumar Thiagarajan <vasanth@atheros.com>
To: <linville@tuxdriver.com>
Cc: <linux-wireless@vger.kernel.org>
Subject: [PATCH 2/3] ath9k_hw: Add functions to get/set antenna diversity configuration
Date: Thu, 2 Sep 2010 01:34:42 -0700 [thread overview]
Message-ID: <1283416483-5674-2-git-send-email-vasanth@atheros.com> (raw)
In-Reply-To: <1283416483-5674-1-git-send-email-vasanth@atheros.com>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
---
drivers/net/wireless/ath/ath9k/ar9002_phy.c | 35 +++++++++++++++++++++++++++
drivers/net/wireless/ath/ath9k/ar9002_phy.h | 2 +
drivers/net/wireless/ath/ath9k/hw.h | 10 +++++++
3 files changed, 47 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index adbf031..cd56c86 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -530,3 +530,38 @@ void ar9002_hw_attach_phy_ops(struct ath_hw *ah)
ar9002_hw_set_nf_limits(ah);
}
+
+void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah,
+ struct ath_hw_antcomb_conf *antconf)
+{
+ u32 regval;
+
+ regval = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL);
+ antconf->main_lna_conf = (regval & AR_PHY_9285_ANT_DIV_MAIN_LNACONF) >>
+ AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S;
+ antconf->alt_lna_conf = (regval & AR_PHY_9285_ANT_DIV_ALT_LNACONF) >>
+ AR_PHY_9285_ANT_DIV_ALT_LNACONF_S;
+ antconf->fast_div_bias = (regval & AR_PHY_9285_FAST_DIV_BIAS) >>
+ AR_PHY_9285_FAST_DIV_BIAS_S;
+}
+EXPORT_SYMBOL(ath9k_hw_antdiv_comb_conf_get);
+
+void ath9k_hw_antdiv_comb_conf_set(struct ath_hw *ah,
+ struct ath_hw_antcomb_conf *antconf)
+{
+ u32 regval;
+
+ regval = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL);
+ regval &= ~(AR_PHY_9285_ANT_DIV_MAIN_LNACONF |
+ AR_PHY_9285_ANT_DIV_ALT_LNACONF |
+ AR_PHY_9285_FAST_DIV_BIAS);
+ regval |= ((antconf->main_lna_conf << AR_PHY_9285_ANT_DIV_MAIN_LNACONF_S)
+ & AR_PHY_9285_ANT_DIV_MAIN_LNACONF);
+ regval |= ((antconf->alt_lna_conf << AR_PHY_9285_ANT_DIV_ALT_LNACONF_S)
+ & AR_PHY_9285_ANT_DIV_ALT_LNACONF);
+ regval |= ((antconf->fast_div_bias << AR_PHY_9285_FAST_DIV_BIAS_S)
+ & AR_PHY_9285_FAST_DIV_BIAS);
+
+ REG_WRITE(ah, AR_PHY_MULTICHAIN_GAIN_CTL, regval);
+}
+EXPORT_SYMBOL(ath9k_hw_antdiv_comb_conf_set);
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.h b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
index c5151a4..37663db 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
@@ -302,6 +302,8 @@
#define AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE 0x80000000
#define AR_PHY_MULTICHAIN_GAIN_CTL 0x99ac
+#define AR_PHY_9285_FAST_DIV_BIAS 0x00007E00
+#define AR_PHY_9285_FAST_DIV_BIAS_S 9
#define AR_PHY_9285_ANT_DIV_CTL_ALL 0x7f000000
#define AR_PHY_9285_ANT_DIV_CTL 0x01000000
#define AR_PHY_9285_ANT_DIV_CTL_S 24
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 1a0efbd..197c717 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -496,6 +496,12 @@ struct ath_gen_timer_table {
} timer_mask;
};
+struct ath_hw_antcomb_conf {
+ u8 main_lna_conf;
+ u8 alt_lna_conf;
+ u8 fast_div_bias;
+};
+
/**
* struct ath_hw_private_ops - callbacks used internally by hardware code
*
@@ -889,6 +895,10 @@ void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val);
u32 ath9k_hw_getdefantenna(struct ath_hw *ah);
void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
+void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah,
+ struct ath_hw_antcomb_conf *antconf);
+void ath9k_hw_antdiv_comb_conf_set(struct ath_hw *ah,
+ struct ath_hw_antcomb_conf *antconf);
/* General Operation */
bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
--
1.7.0.4
next prev parent reply other threads:[~2010-09-02 8:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-02 8:34 [PATCH 1/3] ath9k_hw: Add capability flag for Antenna diversity and combining feature Vasanthakumar Thiagarajan
2010-09-02 8:34 ` Vasanthakumar Thiagarajan [this message]
2010-09-02 8:34 ` [PATCH 3/3] ath9k: Implement an algorithm for Antenna diversity and combining Vasanthakumar Thiagarajan
2010-09-02 8:37 ` Vasanthakumar Thiagarajan
-- strict thread matches above, loose matches on Subject: below --
2010-07-29 12:56 [PATCH 1/3] ath9k_hw: Add capability flag for Antenna diversity and combining feature Vasanthakumar Thiagarajan
2010-07-29 12:56 ` [PATCH 2/3] ath9k_hw: Add functions to get/set antenna diversity configuration Vasanthakumar Thiagarajan
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