rtlwifi: btcoexist: Add second part of BT coexistence routines for rtl8821ae

/******************************************************************************

 *

 * 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 2Ant BT Co-exist definition

 *===========================================

*/

#define	BT_INFO_8821A_2ANT_B_FTP		BIT7

#define	BT_INFO_8821A_2ANT_B_A2DP		BIT6

#define	BT_INFO_8821A_2ANT_B_HID		BIT5

#define	BT_INFO_8821A_2ANT_B_SCO_BUSY		BIT4

#define	BT_INFO_8821A_2ANT_B_ACL_BUSY		BIT3

#define	BT_INFO_8821A_2ANT_B_INQ_PAGE		BIT2

#define	BT_INFO_8821A_2ANT_B_SCO_ESCO		BIT1

#define	BT_INFO_8821A_2ANT_B_CONNECTION		BIT0

#define	BTC_RSSI_COEX_THRESH_TOL_8821A_2ANT	2

enum _BT_INFO_SRC_8821A_2ANT {

	BT_INFO_SRC_8821A_2ANT_WIFI_FW		= 0x0,

	BT_INFO_SRC_8821A_2ANT_BT_RSP		= 0x1,

	BT_INFO_SRC_8821A_2ANT_BT_ACTIVE_SEND	= 0x2,

	BT_INFO_SRC_8821A_2ANT_MAX

};

enum _BT_8821A_2ANT_BT_STATUS {

	BT_8821A_2ANT_BT_STATUS_IDLE		= 0x0,

	BT_8821A_2ANT_BT_STATUS_CON_IDLE	= 0x1,

	BT_8821A_2ANT_BT_STATUS_NON_IDLE	= 0x2,

	BT_8821A_2ANT_BT_STATUS_MAX

};

enum _BT_8821A_2ANT_COEX_ALGO {

	BT_8821A_2ANT_COEX_ALGO_UNDEFINED		= 0x0,

	BT_8821A_2ANT_COEX_ALGO_SCO			= 0x1,

	BT_8821A_2ANT_COEX_ALGO_HID			= 0x2,

	BT_8821A_2ANT_COEX_ALGO_A2DP			= 0x3,

	BT_8821A_2ANT_COEX_ALGO_A2DP_PANHS		= 0x4,

	BT_8821A_2ANT_COEX_ALGO_PANEDR			= 0x5,

	BT_8821A_2ANT_COEX_ALGO_PANHS			= 0x6,

	BT_8821A_2ANT_COEX_ALGO_PANEDR_A2DP		= 0x7,

	BT_8821A_2ANT_COEX_ALGO_PANEDR_HID		= 0x8,

	BT_8821A_2ANT_COEX_ALGO_HID_A2DP_PANEDR		= 0x9,

	BT_8821A_2ANT_COEX_ALGO_HID_A2DP		= 0xa,

	BT_8821A_2ANT_COEX_ALGO_MAX			= 0xb,

};

struct coex_dm_8821a_2ant {

	/* fw mechanism */

	bool		pre_dec_bt_pwr;

	bool		cur_dec_bt_pwr;

	bool		pre_bt_lna_constrain;

	bool		cur_bt_lna_constrain;

	u8		pre_bt_psd_mode;

	u8		cur_bt_psd_mode;

	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		tdma_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_rf0x1e_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];

};

struct coex_sta_8821a_2ant {

	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;

	u8	bt_rssi;

	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_2ANT_MAX][10];

	u32	bt_info_c2h_cnt[BT_INFO_SRC_8821A_2ANT_MAX];

	bool	c2h_bt_inquiry_page;

	u8	bt_retry_cnt;

	u8	bt_info_ext;

};

/*===========================================

 *	The following is interface which will notify coex module.

 *===========================================

 */

void

ex_halbtc8821a2ant_init_hwconfig(

	struct btc_coexist *btcoexist

	);

void

ex_halbtc8821a2ant_init_coex_dm(

	struct btc_coexist *btcoexist

	);

void

ex_halbtc8821a2ant_ips_notify(

	struct btc_coexist *btcoexist,

	u8 type

	);

void

ex_halbtc8821a2ant_lps_notify(

	struct btc_coexist *btcoexist,

	u8 type

	);

void

ex_halbtc8821a2ant_scan_notify(

	struct btc_coexist *btcoexist,

	u8 type

	);

void

ex_halbtc8821a2ant_connect_notify(

	struct btc_coexist *btcoexist,

	u8 type

	);

void

ex_halbtc8821a2ant_media_status_notify(

	struct btc_coexist *btcoexist,

	u8 type

	);

void

ex_halbtc8821a2ant_special_packet_notify(

	struct btc_coexist *btcoexist,

	u8 type

	);

void

ex_halbtc8821a2ant_bt_info_notify(

	struct btc_coexist *btcoexist,

	u8 *tmp_buf,

	u8 length

	);

void

ex_halbtc8821a2ant_halt_notify(

	struct btc_coexist *btcoexist

	);

void

ex_halbtc8821a2ant_periodical(

	struct btc_coexist *btcoexist

	);

void

ex_halbtc8821a2ant_display_coex_info(

	struct btc_coexist *btcoexist

	);