From: Sujith Manoharan <sujith@msujith.org>
To: linux-wireless@vger.kernel.org
Cc: ath9k-devel@lists.ath9k.org
Subject: [PATCH 3/4] ath9k: Handle MCI_STATE_AIC_CAL
Date: Fri, 13 Mar 2015 09:13:09 +0530 [thread overview]
Message-ID: <1426218190-19888-4-git-send-email-sujith@msujith.org> (raw)
In-Reply-To: <1426218190-19888-1-git-send-email-sujith@msujith.org>
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Add the main AIC calibration function to
handle MCI_STATE_AIC_CAL.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath9k/ar9003_aic.c | 28 ++++++++++++++++++++++++++--
drivers/net/wireless/ath/ath9k/ar9003_aic.h | 1 +
drivers/net/wireless/ath/ath9k/ar9003_mci.c | 4 ++++
3 files changed, 31 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_aic.c b/drivers/net/wireless/ath/ath9k/ar9003_aic.c
index 5b4f818..1db119d 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_aic.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_aic.c
@@ -162,7 +162,7 @@ static void ar9003_aic_gain_table(struct ath_hw *ah)
}
}
-static void ar9003_aic_cal_start(struct ath_hw *ah, u8 min_valid_count)
+static u8 ar9003_aic_cal_start(struct ath_hw *ah, u8 min_valid_count)
{
struct ath9k_hw_aic *aic = &ah->btcoex_hw.aic;
int i;
@@ -257,6 +257,8 @@ static void ar9003_aic_cal_start(struct ath_hw *ah, u8 min_valid_count)
aic->aic_caled_chan = 0;
aic->aic_cal_state = AIC_CAL_STATE_STARTED;
+
+ return aic->aic_cal_state;
}
static bool ar9003_aic_cal_post_process(struct ath_hw *ah)
@@ -513,6 +515,28 @@ exit:
}
+u8 ar9003_aic_calibration(struct ath_hw *ah)
+{
+ struct ath9k_hw_aic *aic = &ah->btcoex_hw.aic;
+ u8 cal_ret = AIC_CAL_STATE_ERROR;
+
+ switch (aic->aic_cal_state) {
+ case AIC_CAL_STATE_IDLE:
+ cal_ret = ar9003_aic_cal_start(ah, 1);
+ break;
+ case AIC_CAL_STATE_STARTED:
+ cal_ret = ar9003_aic_cal_continue(ah, false);
+ break;
+ case AIC_CAL_STATE_DONE:
+ cal_ret = AIC_CAL_STATE_DONE;
+ break;
+ default:
+ break;
+ }
+
+ return cal_ret;
+}
+
u8 ar9003_aic_start_normal(struct ath_hw *ah)
{
struct ath9k_hw_aic *aic = &ah->btcoex_hw.aic;
@@ -561,7 +585,7 @@ u8 ar9003_aic_calibration_single(struct ath_hw *ah)
num_chan = MS(mci_hw->config, ATH_MCI_CONFIG_AIC_CAL_NUM_CHAN);
- ar9003_aic_cal_start(ah, num_chan);
+ (void) ar9003_aic_cal_start(ah, num_chan);
cal_ret = ar9003_aic_cal_continue(ah, true);
return cal_ret;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_aic.h b/drivers/net/wireless/ath/ath9k/ar9003_aic.h
index 1ee5a8c..509d1f5 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_aic.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_aic.h
@@ -53,6 +53,7 @@ struct ath_aic_out_info {
struct ath_aic_sram_info sram;
};
+u8 ar9003_aic_calibration(struct ath_hw *ah);
u8 ar9003_aic_start_normal(struct ath_hw *ah);
u8 ar9003_aic_cal_reset(struct ath_hw *ah);
u8 ar9003_aic_calibration_single(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index b559d75..cdd83d4 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -1363,6 +1363,10 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
value = (!mci->unhalt_bt_gpm && mci->need_flush_btinfo) ? 1 : 0;
mci->need_flush_btinfo = false;
break;
+ case MCI_STATE_AIC_CAL:
+ if (ath9k_hw_is_aic_enabled(ah))
+ value = ar9003_aic_calibration(ah);
+ break;
case MCI_STATE_AIC_START:
if (ath9k_hw_is_aic_enabled(ah))
ar9003_aic_start_normal(ah);
--
2.3.1
next prev parent reply other threads:[~2015-03-13 3:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-13 3:43 [PATCH 0/4] ath9k patches Sujith Manoharan
2015-03-13 3:43 ` [PATCH 1/4] ath9k: Handle MCI_STATE_AIC_CAL_RESET Sujith Manoharan
2015-03-13 3:43 ` [PATCH 2/4] ath9k: Handle MCI_STATE_AIC_START Sujith Manoharan
2015-03-13 3:43 ` Sujith Manoharan [this message]
2015-03-13 3:43 ` [PATCH 4/4] ath9k: Start AIC calibration during MCI reset Sujith Manoharan
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