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Commit 2ec7f01c authored by Larry Finger's avatar Larry Finger Committed by John W. Linville
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rtlwifi: btcoexist: Add BT coexistence routines for driver rtl8821ae 



This patch adds the code needed for the new rtl8821ae driver.

Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Cc: troy_tan@realsil.com.cn
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent f5b58690

drivers/net/wireless/rtlwifi/btcoexist/halbtc8821a1ant.c

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drivers/net/wireless/rtlwifi/btcoexist/halbtc8821a1ant.h

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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_AUTO_REPORT_ONLY_8821A_1ANT				0



#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;



	u8	error_condition;

};



struct coex_sta_8821a_1ant {

	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;

	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;

	u8	bt_retry_cnt;

	u8	bt_info_ext;

};



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

 * The following is interface which will notify coex module.

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

 */

void ex_halbtc8821a1ant_init_hwconfig(struct btc_coexist *btcoexist);

void ex_halbtc8821a1ant_init_coex_dm(struct btc_coexist *btcoexist);

void ex_halbtc8821a1ant_ips_notify(struct btc_coexist *btcoexist, u8 type);

void ex_halbtc8821a1ant_lps_notify(struct btc_coexist *btcoexist, u8 type);

void ex_halbtc8821a1ant_scan_notify(struct btc_coexist *btcoexist, u8 type);

void ex_halbtc8821a1ant_connect_notify(struct btc_coexist *btcoexist, u8 type);

void ex_halbtc8821a1ant_media_status_notify(struct btc_coexist *btcoexist,

					    u8 type);

void ex_halbtc8821a1ant_special_packet_notify(struct btc_coexist *btcoexist,

					      u8 type);

void ex_halbtc8821a1ant_bt_info_notify(struct btc_coexist *btcoexist,

				       u8 *tmpbuf, u8 length);

void ex_halbtc8821a1ant_halt_notify(struct btc_coexist *btcoexist);

void ex_halbtc8821a1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnpstate);

void ex_halbtc8821a1ant_periodical(struct btc_coexist *btcoexist);

void ex_halbtc8821a1ant_display_coex_info(struct btc_coexist *btcoexist);

void ex_halbtc8821a1ant_dbg_control(struct btc_coexist *btcoexist, u8 op_code,

				    u8 op_len, u8 *data);