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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1283416483-5674-2-git-send-email-vasanth@atheros.com \
--to=vasanth@atheros.com \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.