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/*
* Copyright (C) 2016 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
*
* 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 __MT76x2_DFS_H
#define __MT76x2_DFS_H
#include <linux/types.h>
#include <linux/nl80211.h>
#define MT_DFS_GP_INTERVAL (10 << 4) /* 64 us unit */
#define MT_DFS_NUM_ENGINES 4
/* bbp params */
#define MT_DFS_SYM_ROUND 0
#define MT_DFS_DELTA_DELAY 2
#define MT_DFS_VGA_MASK 0
#define MT_DFS_PWR_GAIN_OFFSET 3
#define MT_DFS_PWR_DOWN_TIME 0xf
#define MT_DFS_RX_PE_MASK 0xff
#define MT_DFS_PKT_END_MASK 0
#define MT_DFS_CH_EN 0xf
struct mt76x2_radar_specs {
u8 mode;
u16 avg_len;
u16 e_low;
u16 e_high;
u16 w_low;
u16 w_high;
u16 w_margin;
u32 t_low;
u32 t_high;
u16 t_margin;
u32 b_low;
u32 b_high;
u32 event_expiration;
u16 pwr_jmp;
};
struct mt76x2_dfs_hw_pulse {
u8 engine;
u32 period;
u32 w1;
u32 w2;
u32 burst;
};
struct mt76x2_dfs_engine_stats {
u32 hw_pattern;
u32 hw_pulse_discarded;
};
struct mt76x2_dfs_pattern_detector {
enum nl80211_dfs_regions region;
u8 chirp_pulse_cnt;
u32 chirp_pulse_ts;
struct mt76x2_dfs_engine_stats stats[MT_DFS_NUM_ENGINES];
struct tasklet_struct dfs_tasklet;
};
void mt76x2_dfs_init_params(struct mt76x2_dev *dev);
void mt76x2_dfs_init_detector(struct mt76x2_dev *dev);
void mt76x2_dfs_adjust_agc(struct mt76x2_dev *dev);
#endif /* __MT76x2_DFS_H */
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