Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / wireless / ath / ath9k / calib.h

diff --git a/kernel/drivers/net/wireless/ath/ath9k/calib.h b/kernel/drivers/net/wireless/ath/ath9k/calib.h
new file mode 100644 (file)
index 0000000..87badf4
--- /dev/null
+++ b/kernel/drivers/net/wireless/ath/ath9k/calib.h
@@ -0,0 +1,123 @@
+/*
+ * 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
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef CALIB_H
+#define CALIB_H
+
+#include "hw.h"
+
+#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
+
+struct ar5416IniArray {
+       u32 *ia_array;
+       u32 ia_rows;
+       u32 ia_columns;
+};
+
+#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 = ARRAY_SIZE(array);        \
+               (iniarray)->ia_columns = ARRAY_SIZE(array[0]);  \
+       } while (0)
+
+#define INI_RA(iniarray, row, column) \
+       (((iniarray)->ia_array)[(row) * ((iniarray)->ia_columns) + (column)])
+
+#define INIT_CAL(_perCal) do {                         \
+               (_perCal)->calState = CAL_WAITING;      \
+               (_perCal)->calNext = NULL;              \
+       } while (0)
+
+#define INSERT_CAL(_ahp, _perCal)                                      \
+       do {                                                            \
+               if ((_ahp)->cal_list_last == NULL) {                    \
+                       (_ahp)->cal_list =                              \
+                               (_ahp)->cal_list_last = (_perCal);      \
+                       ((_ahp)->cal_list_last)->calNext = (_perCal); \
+               } else {                                                \
+                       ((_ahp)->cal_list_last)->calNext = (_perCal); \
+                       (_ahp)->cal_list_last = (_perCal);              \
+                       (_perCal)->calNext = (_ahp)->cal_list;  \
+               }                                                       \
+       } while (0)
+
+enum ath9k_cal_state {
+       CAL_INACTIVE,
+       CAL_WAITING,
+       CAL_RUNNING,
+       CAL_DONE
+};
+
+#define MIN_CAL_SAMPLES     1
+#define MAX_CAL_SAMPLES    64
+#define INIT_LOG_COUNT      5
+#define PER_MIN_LOG_COUNT   2
+#define PER_MAX_LOG_COUNT  10
+
+struct ath9k_percal_data {
+       u32 calType;
+       u32 calNumSamples;
+       u32 calCountMax;
+       void (*calCollect) (struct ath_hw *);
+       void (*calPostProc) (struct ath_hw *, u8);
+};
+
+struct ath9k_cal_list {
+       const struct ath9k_percal_data *calData;
+       enum ath9k_cal_state calState;
+       struct ath9k_cal_list *calNext;
+};
+
+struct ath9k_nfcal_hist {
+       int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX];
+       u8 currIndex;
+       int16_t privNF;
+       u8 invalidNFcount;
+};
+
+#define MAX_PACAL_SKIPCOUNT 8
+struct ath9k_pacal_info{
+       int32_t prev_offset;    /* Previous value of PA offset value */
+       int8_t max_skipcount;   /* Max No. of times PACAL can be skipped */
+       int8_t skipcount;       /* No. of times the PACAL to be skipped */
+};
+
+bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
+void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update);
+int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
+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);
+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 */