/******************************************************************************
 *
 * Copyright(c) 2016  Realtek Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 *****************************************************************************/

/* *******************************************
 * The following is for 8822B 2Ant BT Co-exist definition
 * ********************************************/
#define BT_INFO_8822B_2ANT_B_FTP	BIT(7)
#define BT_INFO_8822B_2ANT_B_A2DP	BIT(6)
#define BT_INFO_8822B_2ANT_B_HID	BIT(5)
#define BT_INFO_8822B_2ANT_B_SCO_BUSY	BIT(4)
#define BT_INFO_8822B_2ANT_B_ACL_BUSY	BIT(3)
#define BT_INFO_8822B_2ANT_B_INQ_PAGE	BIT(2)
#define BT_INFO_8822B_2ANT_B_SCO_ESCO	BIT(1)
#define BT_INFO_8822B_2ANT_B_CONNECTION	BIT(0)

#define BTC_RSSI_COEX_THRESH_TOL_8822B_2ANT	2

/* unit: % WiFi RSSI Threshold for 2-Ant free-run/2-Ant TDMA translation.
 * (default = 42)
 */
#define BT_8822B_2ANT_WIFI_RSSI_COEXSWITCH_THRES1	80
/* unit: % BT RSSI Threshold for 2-Ant free-run/2-Ant TDMA translation.
 * (default = 46)
 */
#define BT_8822B_2ANT_BT_RSSI_COEXSWITCH_THRES1	80
/* unit: % WiFi RSSI Threshold for 1-Ant TDMA/1-Ant PS-TDMA translation.
 * (default = 42)
 */
#define BT_8822B_2ANT_WIFI_RSSI_COEXSWITCH_THRES2	80
/* unit: % BT RSSI Threshold for 1-Ant TDMA/1-Ant PS-TDMA translation.
 * (default = 46)
 */
#define BT_8822B_2ANT_BT_RSSI_COEXSWITCH_THRES2	80
#define BT_8822B_2ANT_DEFAULT_ISOLATION	15 /*  unit: dB */
#define BT_8822B_2ANT_WIFI_MAX_TX_POWER	15 /*  unit: dBm */
#define BT_8822B_2ANT_BT_MAX_TX_POWER	3 /*  unit: dBm */
#define BT_8822B_2ANT_WIFI_SIR_THRES1 -15 /*  unit: dB */
#define BT_8822B_2ANT_WIFI_SIR_THRES2 -30 /*  unit: dB */
#define BT_8822B_2ANT_BT_SIR_THRES1 -15 /*  unit: dB */
#define BT_8822B_2ANT_BT_SIR_THRES2 -30 /*  unit: dB */

/* for Antenna detection */
#define BT_8822B_2ANT_ANTDET_PSDTHRES_BACKGROUND	50
#define BT_8822B_2ANT_ANTDET_PSDTHRES_2ANT_BADISOLATION	70
#define BT_8822B_2ANT_ANTDET_PSDTHRES_2ANT_GOODISOLATION	52
#define BT_8822B_2ANT_ANTDET_PSDTHRES_1ANT	40
#define BT_8822B_2ANT_ANTDET_RETRY_INTERVAL                                    \
	10 /* retry timer if ant det is fail, unit: second */
#define BT_8822B_2ANT_ANTDET_SWEEPPOINT_DELAY	60000
#define BT_8822B_2ANT_ANTDET_ENABLE	0
#define BT_8822B_2ANT_ANTDET_BTTXTIME	100
#define BT_8822B_2ANT_ANTDET_BTTXCHANNEL	39
#define BT_8822B_2ANT_ANTDET_PSD_SWWEEPCOUNT	50

#define BT_8822B_2ANT_LTECOEX_INDIRECTREG_ACCESS_TIMEOUT	30000

enum bt_8822b_2ant_signal_state {
	BT_8822B_2ANT_SIG_STA_SET_TO_LOW	= 0x0,
	BT_8822B_2ANT_SIG_STA_SET_BY_HW	= 0x0,
	BT_8822B_2ANT_SIG_STA_SET_TO_HIGH	= 0x1,
	BT_8822B_2ANT_SIG_STA_MAX
};

enum bt_8822b_2ant_path_ctrl_owner {
	BT_8822B_2ANT_PCO_BTSIDE	= 0x0,
	BT_8822B_2ANT_PCO_WLSIDE	= 0x1,
	BT_8822B_2ANT_PCO_MAX
};

enum bt_8822b_2ant_gnt_ctrl_type {
	BT_8822B_2ANT_GNT_TYPE_CTRL_BY_PTA	= 0x0,
	BT_8822B_2ANT_GNT_TYPE_CTRL_BY_SW	= 0x1,
	BT_8822B_2ANT_GNT_TYPE_MAX
};

enum bt_8822b_2ant_gnt_ctrl_block {
	BT_8822B_2ANT_GNT_BLOCK_RFC_BB	= 0x0,
	BT_8822B_2ANT_GNT_BLOCK_RFC	= 0x1,
	BT_8822B_2ANT_GNT_BLOCK_BB	= 0x2,
	BT_8822B_2ANT_GNT_BLOCK_MAX
};

enum bt_8822b_2ant_lte_coex_table_type {
	BT_8822B_2ANT_CTT_WL_VS_LTE	= 0x0,
	BT_8822B_2ANT_CTT_BT_VS_LTE	= 0x1,
	BT_8822B_2ANT_CTT_MAX
};

enum bt_8822b_2ant_lte_break_table_type {
	BT_8822B_2ANT_LBTT_WL_BREAK_LTE	= 0x0,
	BT_8822B_2ANT_LBTT_BT_BREAK_LTE	= 0x1,
	BT_8822B_2ANT_LBTT_LTE_BREAK_WL	= 0x2,
	BT_8822B_2ANT_LBTT_LTE_BREAK_BT	= 0x3,
	BT_8822B_2ANT_LBTT_MAX
};

enum bt_info_src_8822b_2ant {
	BT_INFO_SRC_8822B_2ANT_WIFI_FW	= 0x0,
	BT_INFO_SRC_8822B_2ANT_BT_RSP	= 0x1,
	BT_INFO_SRC_8822B_2ANT_BT_ACTIVE_SEND	= 0x2,
	BT_INFO_SRC_8822B_2ANT_MAX
};

enum bt_8822b_2ant_bt_status {
	BT_8822B_2ANT_BT_STATUS_NON_CONNECTED_IDLE	= 0x0,
	BT_8822B_2ANT_BT_STATUS_CONNECTED_IDLE	= 0x1,
	BT_8822B_2ANT_BT_STATUS_INQ_PAGE	= 0x2,
	BT_8822B_2ANT_BT_STATUS_ACL_BUSY	= 0x3,
	BT_8822B_2ANT_BT_STATUS_SCO_BUSY	= 0x4,
	BT_8822B_2ANT_BT_STATUS_ACL_SCO_BUSY	= 0x5,
	BT_8822B_2ANT_BT_STATUS_MAX
};

enum bt_8822b_2ant_coex_algo {
	BT_8822B_2ANT_COEX_ALGO_UNDEFINED	= 0x0,
	BT_8822B_2ANT_COEX_ALGO_SCO	= 0x1,
	BT_8822B_2ANT_COEX_ALGO_HID	= 0x2,
	BT_8822B_2ANT_COEX_ALGO_A2DP	= 0x3,
	BT_8822B_2ANT_COEX_ALGO_A2DP_PANHS	= 0x4,
	BT_8822B_2ANT_COEX_ALGO_PANEDR	= 0x5,
	BT_8822B_2ANT_COEX_ALGO_PANHS	= 0x6,
	BT_8822B_2ANT_COEX_ALGO_PANEDR_A2DP	= 0x7,
	BT_8822B_2ANT_COEX_ALGO_PANEDR_HID	= 0x8,
	BT_8822B_2ANT_COEX_ALGO_HID_A2DP_PANEDR	= 0x9,
	BT_8822B_2ANT_COEX_ALGO_HID_A2DP	= 0xa,
	BT_8822B_2ANT_COEX_ALGO_NOPROFILEBUSY	= 0xb,
	BT_8822B_2ANT_COEX_ALGO_A2DPSINK	= 0xc,
	BT_8822B_2ANT_COEX_ALGO_MAX
};

enum bt_8822b_2ant_ext_ant_switch_type {
	BT_8822B_2ANT_EXT_ANT_SWITCH_USE_DPDT	= 0x0,
	BT_8822B_2ANT_EXT_ANT_SWITCH_USE_SPDT	= 0x1,
	BT_8822B_2ANT_EXT_ANT_SWITCH_NONE	= 0x2,
	BT_8822B_2ANT_EXT_ANT_SWITCH_MAX
};

enum bt_8822b_2ant_ext_ant_switch_ctrl_type {
	BT_8822B_2ANT_EXT_ANT_SWITCH_CTRL_BY_BBSW	= 0x0,
	BT_8822B_2ANT_EXT_ANT_SWITCH_CTRL_BY_PTA	= 0x1,
	BT_8822B_2ANT_EXT_ANT_SWITCH_CTRL_BY_ANTDIV	= 0x2,
	BT_8822B_2ANT_EXT_ANT_SWITCH_CTRL_BY_MAC	= 0x3,
	BT_8822B_2ANT_EXT_ANT_SWITCH_CTRL_BY_BT	= 0x4,
	BT_8822B_2ANT_EXT_ANT_SWITCH_CTRL_MAX
};

enum bt_8822b_2ant_ext_ant_switch_pos_type {
	BT_8822B_2ANT_EXT_ANT_SWITCH_MAIN_TO_BT	= 0x0,
	BT_8822B_2ANT_EXT_ANT_SWITCH_MAIN_TO_WLG	= 0x1,
	BT_8822B_2ANT_EXT_ANT_SWITCH_MAIN_TO_WLA	= 0x2,
	BT_8822B_2ANT_EXT_ANT_SWITCH_MAIN_TO_NOCARE	= 0x3,
	BT_8822B_2ANT_EXT_ANT_SWITCH_MAIN_TO_MAX
};

enum bt_8822b_2ant_ext_band_switch_pos_type {
	BT_8822B_2ANT_EXT_BAND_SWITCH_TO_WLG	= 0x0,
	BT_8822B_2ANT_EXT_BAND_SWITCH_TO_WLA	= 0x1,
	BT_8822B_2ANT_EXT_BAND_SWITCH_TO_MAX
};

enum bt_8822b_2ant_int_block {
	BT_8822B_2ANT_INT_BLOCK_SWITCH_TO_WLG_OF_BTG	= 0x0,
	BT_8822B_2ANT_INT_BLOCK_SWITCH_TO_WLG_OF_WLAG	= 0x1,
	BT_8822B_2ANT_INT_BLOCK_SWITCH_TO_WLA_OF_WLAG	= 0x2,
	BT_8822B_2ANT_INT_BLOCK_SWITCH_TO_MAX
};

enum bt_8822b_2ant_phase {
	BT_8822B_2ANT_PHASE_COEX_INIT	= 0x0,
	BT_8822B_2ANT_PHASE_WLANONLY_INIT	= 0x1,
	BT_8822B_2ANT_PHASE_WLAN_OFF	= 0x2,
	BT_8822B_2ANT_PHASE_2G_RUNTIME	= 0x3,
	BT_8822B_2ANT_PHASE_5G_RUNTIME	= 0x4,
	BT_8822B_2ANT_PHASE_BTMPMODE	= 0x5,
	BT_8822B_2ANT_PHASE_ANTENNA_DET	= 0x6,
	BT_8822B_2ANT_PHASE_COEX_POWERON	= 0x7,
	BT_8822B_2ANT_PHASE_2G_RUNTIME_CONCURRENT	= 0x8,
	BT_8822B_2ANT_PHASE_MAX
};

/*ADD SCOREBOARD TO FIX BT LPS 32K ISSUE WHILE WL BUSY*/

enum bt_8822b_2ant_scoreboard {
	BT_8822B_2ANT_SCOREBOARD_ACTIVE	= BIT(0),
	BT_8822B_2ANT_SCOREBOARD_ONOFF	= BIT(1),
	BT_8822B_2ANT_SCOREBOARD_SCAN	= BIT(2),
	BT_8822B_2ANT_SCOREBOARD_UNDERTEST	= BIT(3),
	BT_8822B_2ANT_SCOREBOARD_WLBUSY = BIT(6)
};

struct coex_dm_8822b_2ant {
	/* hw setting */
	u32	pre_ant_pos_type;
	u32	cur_ant_pos_type;
	/* fw mechanism */
	u8	pre_bt_dec_pwr_lvl;
	u8	cur_bt_dec_pwr_lvl;
	u8	pre_fw_dac_swing_lvl;
	u8	cur_fw_dac_swing_lvl;
	bool	cur_ignore_wlan_act;
	bool	pre_ignore_wlan_act;
	u8	pre_ps_tdma;
	u8	cur_ps_tdma;
	u8	ps_tdma_para[5];
	u8	ps_tdma_du_adj_type;
	bool	reset_tdma_adjust;
	bool	pre_ps_tdma_on;
	bool	cur_ps_tdma_on;
	bool	pre_bt_auto_report;
	bool	cur_bt_auto_report;

	/* sw mechanism */
	bool	pre_rf_rx_lpf_shrink;
	bool	cur_rf_rx_lpf_shrink;
	u32	bt_rf_0x1e_backup;
	bool	pre_low_penalty_ra;
	bool	cur_low_penalty_ra;
	bool	pre_dac_swing_on;
	u32	pre_dac_swing_lvl;
	bool	cur_dac_swing_on;
	u32	cur_dac_swing_lvl;
	bool	pre_adc_back_off;
	bool	cur_adc_back_off;
	bool	pre_agc_table_en;
	bool	cur_agc_table_en;
	u32	pre_val0x6c0;
	u32	cur_val0x6c0;
	u32	pre_val0x6c4;
	u32	cur_val0x6c4;
	u32	pre_val0x6c8;
	u32	cur_val0x6c8;
	u8	pre_val0x6cc;
	u8	cur_val0x6cc;
	bool	limited_dig;

	/* algorithm related */
	u8	pre_algorithm;
	u8	cur_algorithm;
	u8	bt_status;
	u8	wifi_chnl_info[3];

	bool	need_recover0x948;
	u32	backup0x948;

	u8	pre_lps;
	u8	cur_lps;
	u8	pre_rpwm;
	u8	cur_rpwm;

	bool	is_switch_to_1dot5_ant;
	u8	switch_thres_offset;
	u32	arp_cnt;

	u32	pre_ext_ant_switch_status;
	u32	cur_ext_ant_switch_status;

	u8	pre_ext_band_switch_status;
	u8	cur_ext_band_switch_status;

	u8	pre_int_block_status;
	u8	cur_int_block_status;
};

struct coex_sta_8822b_2ant {
	bool	bt_disabled;
	bool	bt_link_exist;
	bool	sco_exist;
	bool	a2dp_exist;
	bool	hid_exist;
	bool	pan_exist;

	bool	under_lps;
	bool	under_ips;
	u32	high_priority_tx;
	u32	high_priority_rx;
	u32	low_priority_tx;
	u32	low_priority_rx;
	bool	is_hi_pri_rx_overhead;
	u8	bt_rssi;
	u8	pre_bt_rssi_state;
	u8	pre_wifi_rssi_state[4];
	u8	bt_info_c2h[BT_INFO_SRC_8822B_2ANT_MAX][10];
	u32	bt_info_c2h_cnt[BT_INFO_SRC_8822B_2ANT_MAX];
	bool	bt_whck_test;
	bool	c2h_bt_inquiry_page;
	bool	c2h_bt_remote_name_req;

	u8	bt_info_ext;
	u8	bt_info_ext2;
	u32	pop_event_cnt;
	u8	scan_ap_num;
	u8	bt_retry_cnt;

	u32	crc_ok_cck;
	u32	crc_ok_11g;
	u32	crc_ok_11n;
	u32	crc_ok_11n_vht;

	u32	crc_err_cck;
	u32	crc_err_11g;
	u32	crc_err_11n;
	u32	crc_err_11n_vht;

	u32	acc_crc_ratio;
	u32	now_crc_ratio;

	bool	cck_lock;
	bool	pre_ccklock;
	bool	cck_ever_lock;

	u8	coex_table_type;
	bool	force_lps_ctrl;

	u8	dis_ver_info_cnt;

	u8	a2dp_bit_pool;
	u8	cut_version;

	bool	concurrent_rx_mode_on;

	u16	score_board;
	u8	isolation_btween_wb; /* 0~ 50 */
	u8	wifi_coex_thres;
	u8	bt_coex_thres;
	u8	wifi_coex_thres2;
	u8	bt_coex_thres2;

	u8	num_of_profile;
	bool	acl_busy;
	bool	bt_create_connection;
	bool	wifi_is_high_pri_task;
	u32	specific_pkt_period_cnt;
	u32	bt_coex_supported_feature;
	u32	bt_coex_supported_version;

	u8	bt_ble_scan_type;
	u32	bt_ble_scan_para[3];

	bool	run_time_state;
	bool	freeze_coexrun_by_btinfo;

	bool	is_A2DP_3M;
	bool	voice_over_HOGP;
	u8	bt_info;
	bool	is_autoslot;
	u8	forbidden_slot;
	u8	hid_busy_num;
	u8	hid_pair_cnt;

	u32	cnt_remote_name_req;
	u32	cnt_setup_link;
	u32	cnt_reinit;
	u32	cnt_ign_wlan_act;
	u32	cnt_page;
	u32	cnt_role_switch;

	u16	bt_reg_vendor_ac;
	u16	bt_reg_vendor_ae;

	bool	is_setup_link;
	u8	wl_noisy_level;
	u32	gnt_error_cnt;

	u8	bt_afh_map[10];
	u8	bt_relink_downcount;
	bool	is_tdma_btautoslot;
	bool	is_tdma_btautoslot_hang;

	bool	is_esco_mode;
	u8	switch_band_notify_to;
	bool	is_rf_state_off;

	bool	is_hid_low_pri_tx_overhead;
	bool	is_bt_multi_link;
	bool	is_bt_a2dp_sink;

	bool	is_set_ps_state_fail;
	u8	cnt_set_ps_state_fail;
};

#define BT_8822B_2ANT_EXT_BAND_SWITCH_USE_DPDT	0
#define BT_8822B_2ANT_EXT_BAND_SWITCH_USE_SPDT	1

struct rfe_type_8822b_2ant {
	u8	rfe_module_type;
	bool	ext_ant_switch_exist;
	u8	ext_ant_switch_type; /* 0:DPDT, 1:SPDT */
	/*  iF 0: DPDT_P=0, DPDT_N=1 => BTG to Main, WL_A+G to Aux */
	u8	ext_ant_switch_ctrl_polarity;

	bool	ext_band_switch_exist;
	u8	ext_band_switch_type; /* 0:DPDT, 1:SPDT */
	u8	ext_band_switch_ctrl_polarity;

	/*  If true:  WLG at BTG, If false: WLG at WLAG */
	bool	wlg_locate_at_btg;

	bool	ext_ant_switch_diversity; /* If diversity on */
};

#define BT_8822B_2ANT_ANTDET_PSD_POINTS	256 /* MAX:1024 */
#define BT_8822B_2ANT_ANTDET_PSD_AVGNUM	1 /* MAX:3 */
#define BT_8822B_2ANT_ANTDET_BUF_LEN	16

struct psdscan_sta_8822b_2ant {
	u32	ant_det_bt_le_channel; /* BT LE Channel ex:2412 */
	u32	ant_det_bt_tx_time;
	u32	ant_det_pre_psdscan_peak_val;
	bool	ant_det_is_ant_det_available;
	u32	ant_det_psd_scan_peak_val;
	bool	ant_det_is_btreply_available;
	u32	ant_det_psd_scan_peak_freq;

	u8	ant_det_result;
	u8	ant_det_peak_val[BT_8822B_2ANT_ANTDET_BUF_LEN];
	u8	ant_det_peak_freq[BT_8822B_2ANT_ANTDET_BUF_LEN];
	u32	ant_det_try_count;
	u32	ant_det_fail_count;
	u32	ant_det_inteval_count;
	u32	ant_det_thres_offset;

	u32	real_cent_freq;
	s32	real_offset;
	u32	real_span;

	u32	psd_band_width; /* unit: Hz */
	u32	psd_point; /* 128/256/512/1024 */
	u32	psd_report[1024]; /* unit:dB (20logx), 0~255 */
	u32	psd_report_max_hold[1024]; /* unit:dB (20logx), 0~255 */
	u32	psd_start_point;
	u32	psd_stop_point;
	u32	psd_max_value_point;
	u32	psd_max_value;
	u32	psd_max_value2;
	/* filter loop_max_value that below BT_8822B_1ANT_ANTDET_PSDTHRES_1ANT,
	 * and average the rest
	 */
	u32	psd_avg_value;
	/*max value in each loop */
	u32	psd_loop_max_value[BT_8822B_2ANT_ANTDET_PSD_SWWEEPCOUNT];
	u32	psd_start_base;
	u32	psd_avg_num; /* 1/8/16/32 */
	u32	psd_gen_count;
	bool	is_ant_det_running;
	bool	is_psd_show_max_only;
};

/* *******************************************
 * The following is interface which will notify coex module.
 * ********************************************/
void ex_btc8822b2ant_power_on_setting(struct btc_coexist *btcoexist);
void ex_btc8822b2ant_pre_load_firmware(struct btc_coexist *btcoexist);
void ex_btc8822b2ant_init_hw_config(struct btc_coexist *btcoexist,
				    bool wifi_only);
void ex_btc8822b2ant_init_coex_dm(struct btc_coexist *btcoexist);
void ex_btc8822b2ant_ips_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8822b2ant_lps_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8822b2ant_scan_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8822b2ant_switchband_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8822b2ant_connect_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8822b2ant_media_status_notify(struct btc_coexist *btcoexist,
					 u8 type);
void ex_btc8822b2ant_specific_packet_notify(struct btc_coexist *btcoexist,
					    u8 type);
void ex_btc8822b2ant_bt_info_notify(struct btc_coexist *btcoexist, u8 *tmp_buf,
				    u8 length);
void ex_btc8822b2ant_rf_status_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8822b2ant_halt_notify(struct btc_coexist *btcoexist);
void ex_btc8822b2ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state);
void ex_btc8822b2ant_periodical(struct btc_coexist *btcoexist);
void ex_btc8822b2ant_display_coex_info(struct btc_coexist *btcoexist,
				       struct seq_file *m);
void ex_btc8822b2ant_antenna_detection(struct btc_coexist *btcoexist,
				       u32 cent_freq, u32 offset, u32 span,
				       u32 seconds);
void ex_btc8822b2ant_display_ant_detection(struct btc_coexist *btcoexist);