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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/calib.h')
-rw-r--r--drivers/net/wireless/ath/ath9k/calib.h21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath9k/calib.h b/drivers/net/wireless/ath/ath9k/calib.h
index b8973eb8d85..b8ed95e9a33 100644
--- a/drivers/net/wireless/ath/ath9k/calib.h
+++ b/drivers/net/wireless/ath/ath9k/calib.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008-2009 Atheros Communications Inc.
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -19,9 +19,11 @@
#include "hw.h"
-#define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT 3
#define AR_PHY_CCA_FILTERWINDOW_LENGTH 5
+/* Internal noise floor can vary by about 6db depending on the frequency */
+#define ATH9K_NF_CAL_NOISE_THRESH 6
+
#define NUM_NF_READINGS 6
#define ATH9K_NF_CAL_HIST_MAX 5
@@ -31,10 +33,16 @@ struct ar5416IniArray {
u32 ia_columns;
};
-#define INIT_INI_ARRAY(iniarray, array, rows, columns) do { \
+#define STATIC_INI_ARRAY(array) { \
+ .ia_array = (u32 *)(array), \
+ .ia_rows = ARRAY_SIZE(array), \
+ .ia_columns = ARRAY_SIZE(array[0]), \
+ }
+
+#define INIT_INI_ARRAY(iniarray, array) do { \
(iniarray)->ia_array = (u32 *)(array); \
- (iniarray)->ia_rows = (rows); \
- (iniarray)->ia_columns = (columns); \
+ (iniarray)->ia_rows = ARRAY_SIZE(array); \
+ (iniarray)->ia_columns = ARRAY_SIZE(array[0]); \
} while (0)
#define INI_RA(iniarray, row, column) \
@@ -106,9 +114,10 @@ bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan);
void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
struct ath9k_channel *chan);
void ath9k_hw_bstuck_nfcal(struct ath_hw *ah);
-s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
void ath9k_hw_reset_calibration(struct ath_hw *ah,
struct ath9k_cal_list *currCal);
+s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan,
+ s16 nf);
#endif /* CALIB_H */