ath9k_hw: Add radio retention support for AR9480
Supported calibrations of radio retention table (RTT) are
- DC offset
- Filter
- Peak detect
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 75982a7..0f6fc25 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -202,6 +202,7 @@
ATH9K_HW_CAP_2GHZ = BIT(13),
ATH9K_HW_CAP_5GHZ = BIT(14),
ATH9K_HW_CAP_APM = BIT(15),
+ ATH9K_HW_CAP_RTT = BIT(16),
};
struct ath9k_hw_capabilities {
@@ -337,6 +338,13 @@
CHANNEL_HT40PLUS | \
CHANNEL_HT40MINUS)
+#define MAX_RTT_TABLE_ENTRY 6
+#define RTT_HIST_MAX 3
+struct ath9k_rtt_hist {
+ u32 table[AR9300_MAX_CHAINS][RTT_HIST_MAX][MAX_RTT_TABLE_ENTRY];
+ u8 num_readings;
+};
+
#define MAX_IQCAL_MEASUREMENT 8
#define MAX_CL_TAB_ENTRY 16
@@ -357,6 +365,7 @@
int tx_corr_coeff[MAX_IQCAL_MEASUREMENT][AR9300_MAX_CHAINS];
u32 tx_clcal[AR9300_MAX_CHAINS][MAX_CL_TAB_ENTRY];
struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
+ struct ath9k_rtt_hist rtt_hist;
};
struct ath9k_channel {