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/******************************************************************************
 *
 * Copyright(c) 2012  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 8821A 1ANT BT Co-exist definition
 *===========================================
 */
#define	BT_INFO_8821A_1ANT_B_FTP	BIT7
#define	BT_INFO_8821A_1ANT_B_A2DP	BIT6
#define	BT_INFO_8821A_1ANT_B_HID	BIT5
#define	BT_INFO_8821A_1ANT_B_SCO_BUSY	BIT4
#define	BT_INFO_8821A_1ANT_B_ACL_BUSY	BIT3
#define	BT_INFO_8821A_1ANT_B_INQ_PAGE	BIT2
#define	BT_INFO_8821A_1ANT_B_SCO_ESCO	BIT1
#define	BT_INFO_8821A_1ANT_B_CONNECTION	BIT0

#define	BT_INFO_8821A_1ANT_A2DP_BASIC_RATE(_BT_INFO_EXT_)	\
		(((_BT_INFO_EXT_&BIT0)) ? true : false)

#define	BTC_RSSI_COEX_THRESH_TOL_8821A_1ANT		2

enum _BT_INFO_SRC_8821A_1ANT {
	BT_INFO_SRC_8821A_1ANT_WIFI_FW			= 0x0,
	BT_INFO_SRC_8821A_1ANT_BT_RSP			= 0x1,
	BT_INFO_SRC_8821A_1ANT_BT_ACTIVE_SEND		= 0x2,
	BT_INFO_SRC_8821A_1ANT_MAX
};

enum _BT_8821A_1ANT_BT_STATUS {
	BT_8821A_1ANT_BT_STATUS_NON_CONNECTED_IDLE		= 0x0,
	BT_8821A_1ANT_BT_STATUS_CONNECTED_IDLE			= 0x1,
	BT_8821A_1ANT_BT_STATUS_INQ_PAGE			= 0x2,
	BT_8821A_1ANT_BT_STATUS_ACL_BUSY			= 0x3,
	BT_8821A_1ANT_BT_STATUS_SCO_BUSY			= 0x4,
	BT_8821A_1ANT_BT_STATUS_ACL_SCO_BUSY			= 0x5,
	BT_8821A_1ANT_BT_STATUS_MAX
};

enum _BT_8821A_1ANT_WIFI_STATUS {
	BT_8821A_1ANT_WIFI_STATUS_NON_CONNECTED_IDLE		= 0x0,
	BT_8821A_1ANT_WIFI_STATUS_NON_CONNECTED_ASSO_AUTH_SCAN	= 0x1,
	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_SCAN		= 0x2,
	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_SPECIAL_PKT		= 0x3,
	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_IDLE		= 0x4,
	BT_8821A_1ANT_WIFI_STATUS_CONNECTED_BUSY		= 0x5,
	BT_8821A_1ANT_WIFI_STATUS_MAX
};

enum BT_8821A_1ANT_COEX_ALGO {
	BT_8821A_1ANT_COEX_ALGO_UNDEFINED		= 0x0,
	BT_8821A_1ANT_COEX_ALGO_SCO			= 0x1,
	BT_8821A_1ANT_COEX_ALGO_HID			= 0x2,
	BT_8821A_1ANT_COEX_ALGO_A2DP			= 0x3,
	BT_8821A_1ANT_COEX_ALGO_A2DP_PANHS		= 0x4,
	BT_8821A_1ANT_COEX_ALGO_PANEDR			= 0x5,
	BT_8821A_1ANT_COEX_ALGO_PANHS			= 0x6,
	BT_8821A_1ANT_COEX_ALGO_PANEDR_A2DP		= 0x7,
	BT_8821A_1ANT_COEX_ALGO_PANEDR_HID		= 0x8,
	BT_8821A_1ANT_COEX_ALGO_HID_A2DP_PANEDR		= 0x9,
	BT_8821A_1ANT_COEX_ALGO_HID_A2DP		= 0xa,
	BT_8821A_1ANT_COEX_ALGO_MAX			= 0xb,
};

struct coex_dm_8821a_1ant {
	/* fw mechanism */
	bool	cur_ignore_wlan_act;
	bool	pre_ignore_wlan_act;
	u8	pre_ps_tdma;
	u8	cur_ps_tdma;
	u8	ps_tdma_para[5];
	u8	tdma_adj_type;
	bool	auto_tdma_adjust;
	bool	pre_ps_tdma_on;
	bool	cur_ps_tdma_on;
	bool	pre_bt_auto_report;
	bool	cur_bt_auto_report;
	u8	pre_lps;
	u8	cur_lps;
	u8	pre_rpwm;
	u8	cur_rpwm;

	/* sw mechanism */
	bool	pre_low_penalty_ra;
	bool	cur_low_penalty_ra;
	u32	pre_val_0x6c0;
	u32	cur_val_0x6c0;
	u32	pre_val_0x6c4;
	u32	cur_val_0x6c4;
	u32	pre_val_0x6c8;
	u32	cur_val_0x6c8;
	u8	pre_val_0x6cc;
	u8	cur_val_0x6cc;
	/* Auto Rate Fallback Retry cnt */
	u32	backup_arfr_cnt1;
	/* Auto Rate Fallback Retry cnt */
	u32	backup_arfr_cnt2;
	u16	backup_retry_limit;
	u8	backup_ampdu_max_time;

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

	u32	pre_ra_mask;
	u32	cur_ra_mask;
	u8	pre_arfr_type;
	u8	cur_arfr_type;
	u8	pre_retry_limit_type;
	u8	cur_retry_limit_type;
	u8	pre_ampdu_time_type;
	u8	cur_ampdu_time_type;
	u32	arp_cnt;

	u8	error_condition;
};

struct coex_sta_8821a_1ant {
	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	special_pkt_period_cnt;
	u32	high_priority_tx;
	u32	high_priority_rx;
	u32	low_priority_tx;
	u32	low_priority_rx;
	u8	bt_rssi;
	bool	bt_tx_rx_mask;
	u8	pre_bt_rssi_state;
	u8	pre_wifi_rssi_state[4];
	bool	c2h_bt_info_req_sent;
	u8	bt_info_c2h[BT_INFO_SRC_8821A_1ANT_MAX][10];
	u32	bt_info_c2h_cnt[BT_INFO_SRC_8821A_1ANT_MAX];
	bool	c2h_bt_inquiry_page;
	bool	wifi_is_high_pri_task;
	u8	bt_retry_cnt;
	u8	bt_info_ext;
};

/*===========================================
 * The following is interface which will notify coex module.
 *===========================================
 */
void ex_btc8821a1ant_init_hwconfig(struct btc_coexist *btcoexist,
				   bool wifi_only);
void ex_btc8821a1ant_init_coex_dm(struct btc_coexist *btcoexist);
void ex_btc8821a1ant_ips_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8821a1ant_lps_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8821a1ant_scan_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8821a1ant_connect_notify(struct btc_coexist *btcoexist, u8 type);
void ex_btc8821a1ant_media_status_notify(struct btc_coexist *btcoexist,
					 u8 type);
void ex_btc8821a1ant_special_packet_notify(struct btc_coexist *btcoexist,
					   u8 type);
void ex_btc8821a1ant_bt_info_notify(struct btc_coexist *btcoexist,
				    u8 *tmpbuf, u8 length);
void ex_btc8821a1ant_halt_notify(struct btc_coexist *btcoexist);
void ex_btc8821a1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnpstate);
void ex_btc8821a1ant_periodical(struct btc_coexist *btcoexist);
void ex_btc8821a1ant_display_coex_info(struct btc_coexist *btcoexist,
				       struct seq_file *m);
void ex_btc8821a1ant_dbg_control(struct btc_coexist *btcoexist, u8 op_code,
				 u8 op_len, u8 *data);
void ex_btc8821a1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state);