1 /* SPDX-License-Identifier: GPL-2.0 */
2 /******************************************************************************
3  *
4  * Copyright(c) 2016  Realtek Corporation.
5  *
6  * Contact Information:
7  * wlanfae <wlanfae@realtek.com>
8  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
9  * Hsinchu 300, Taiwan.
10  *
11  * Larry Finger <Larry.Finger@lwfinger.net>
12  *
13  *****************************************************************************/
14 
15 /* *******************************************
16  * The following is for 8822B 1ANT BT Co-exist definition
17  * ********************************************/
18 #define BT_INFO_8822B_1ANT_B_FTP	BIT(7)
19 #define BT_INFO_8822B_1ANT_B_A2DP	BIT(6)
20 #define BT_INFO_8822B_1ANT_B_HID	BIT(5)
21 #define BT_INFO_8822B_1ANT_B_SCO_BUSY	BIT(4)
22 #define BT_INFO_8822B_1ANT_B_ACL_BUSY	BIT(3)
23 #define BT_INFO_8822B_1ANT_B_INQ_PAGE	BIT(2)
24 #define BT_INFO_8822B_1ANT_B_SCO_ESCO	BIT(1)
25 #define BT_INFO_8822B_1ANT_B_CONNECTION	BIT(0)
26 
27 #define BT_INFO_8822B_1ANT_A2DP_BASIC_RATE(_BT_INFO_EXT_)                      \
28 	(((_BT_INFO_EXT_ & BIT(0))) ? true : false)
29 
30 #define BTC_RSSI_COEX_THRESH_TOL_8822B_1ANT	2
31 
32 #define BT_8822B_1ANT_WIFI_NOISY_THRESH	150 /* max: 255 */
33 #define BT_8822B_1ANT_DEFAULT_ISOLATION	15 /*  unit: dB */
34 
35 /* for Antenna detection */
36 #define BT_8822B_1ANT_ANTDET_PSDTHRES_BACKGROUND	50
37 #define BT_8822B_1ANT_ANTDET_PSDTHRES_2ANT_BADISOLATION	70
38 #define BT_8822B_1ANT_ANTDET_PSDTHRES_2ANT_GOODISOLATION	55
39 #define BT_8822B_1ANT_ANTDET_PSDTHRES_1ANT	35
40 #define BT_8822B_1ANT_ANTDET_RETRY_INTERVAL                                    \
41 	10 /* retry timer if ant det is fail, unit: second */
42 #define BT_8822B_1ANT_ANTDET_ENABLE	0
43 #define BT_8822B_1ANT_ANTDET_COEXMECHANISMSWITCH_ENABLE	0
44 
45 #define BT_8822B_1ANT_LTECOEX_INDIRECTREG_ACCESS_TIMEOUT	30000
46 
47 enum bt_8822b_1ant_signal_state {
48 	BT_8822B_1ANT_SIG_STA_SET_TO_LOW	= 0x0,
49 	BT_8822B_1ANT_SIG_STA_SET_BY_HW	= 0x0,
50 	BT_8822B_1ANT_SIG_STA_SET_TO_HIGH	= 0x1,
51 	BT_8822B_1ANT_SIG_STA_MAX
52 };
53 
54 enum bt_8822b_1ant_path_ctrl_owner {
55 	BT_8822B_1ANT_PCO_BTSIDE	= 0x0,
56 	BT_8822B_1ANT_PCO_WLSIDE	= 0x1,
57 	BT_8822B_1ANT_PCO_MAX
58 };
59 
60 enum bt_8822b_1ant_gnt_ctrl_type {
61 	BT_8822B_1ANT_GNT_CTRL_BY_PTA	= 0x0,
62 	BT_8822B_1ANT_GNT_CTRL_BY_SW	= 0x1,
63 	BT_8822B_1ANT_GNT_CTRL_MAX
64 };
65 
66 enum bt_8822b_1ant_gnt_ctrl_block {
67 	BT_8822B_1ANT_GNT_BLOCK_RFC_BB	= 0x0,
68 	BT_8822B_1ANT_GNT_BLOCK_RFC	= 0x1,
69 	BT_8822B_1ANT_GNT_BLOCK_BB	= 0x2,
70 	BT_8822B_1ANT_GNT_BLOCK_MAX
71 };
72 
73 enum bt_8822b_1ant_lte_coex_table_type {
74 	BT_8822B_1ANT_CTT_WL_VS_LTE	= 0x0,
75 	BT_8822B_1ANT_CTT_BT_VS_LTE	= 0x1,
76 	BT_8822B_1ANT_CTT_MAX
77 };
78 
79 enum bt_8822b_1ant_lte_break_table_type {
80 	BT_8822B_1ANT_LBTT_WL_BREAK_LTE	= 0x0,
81 	BT_8822B_1ANT_LBTT_BT_BREAK_LTE	= 0x1,
82 	BT_8822B_1ANT_LBTT_LTE_BREAK_WL	= 0x2,
83 	BT_8822B_1ANT_LBTT_LTE_BREAK_BT	= 0x3,
84 	BT_8822B_1ANT_LBTT_MAX
85 };
86 
87 enum bt_info_src_8822b_1ant {
88 	BT_INFO_SRC_8822B_1ANT_WIFI_FW	= 0x0,
89 	BT_INFO_SRC_8822B_1ANT_BT_RSP	= 0x1,
90 	BT_INFO_SRC_8822B_1ANT_BT_ACTIVE_SEND	= 0x2,
91 	BT_INFO_SRC_8822B_1ANT_MAX
92 };
93 
94 enum bt_8822b_1ant_bt_status {
95 	BT_8822B_1ANT_BT_STATUS_NON_CONNECTED_IDLE	= 0x0,
96 	BT_8822B_1ANT_BT_STATUS_CONNECTED_IDLE	= 0x1,
97 	BT_8822B_1ANT_BT_STATUS_INQ_PAGE	= 0x2,
98 	BT_8822B_1ANT_BT_STATUS_ACL_BUSY	= 0x3,
99 	BT_8822B_1ANT_BT_STATUS_SCO_BUSY	= 0x4,
100 	BT_8822B_1ANT_BT_STATUS_ACL_SCO_BUSY	= 0x5,
101 	BT_8822B_1ANT_BT_STATUS_MAX
102 };
103 
104 enum bt_8822b_1ant_wifi_status {
105 	BT_8822B_1ANT_WIFI_STATUS_NON_CONNECTED_IDLE	= 0x0,
106 	BT_8822B_1ANT_WIFI_STATUS_NON_CONNECTED_ASSO_AUTH_SCAN	= 0x1,
107 	BT_8822B_1ANT_WIFI_STATUS_CONNECTED_SCAN	= 0x2,
108 	BT_8822B_1ANT_WIFI_STATUS_CONNECTED_SPECIFIC_PKT	= 0x3,
109 	BT_8822B_1ANT_WIFI_STATUS_CONNECTED_IDLE	= 0x4,
110 	BT_8822B_1ANT_WIFI_STATUS_CONNECTED_BUSY	= 0x5,
111 	BT_8822B_1ANT_WIFI_STATUS_MAX
112 };
113 
114 enum bt_8822b_1ant_coex_algo {
115 	BT_8822B_1ANT_COEX_ALGO_UNDEFINED	= 0x0,
116 	BT_8822B_1ANT_COEX_ALGO_SCO	= 0x1,
117 	BT_8822B_1ANT_COEX_ALGO_HID	= 0x2,
118 	BT_8822B_1ANT_COEX_ALGO_A2DP	= 0x3,
119 	BT_8822B_1ANT_COEX_ALGO_A2DP_PANHS	= 0x4,
120 	BT_8822B_1ANT_COEX_ALGO_PANEDR	= 0x5,
121 	BT_8822B_1ANT_COEX_ALGO_PANHS	= 0x6,
122 	BT_8822B_1ANT_COEX_ALGO_PANEDR_A2DP	= 0x7,
123 	BT_8822B_1ANT_COEX_ALGO_PANEDR_HID	= 0x8,
124 	BT_8822B_1ANT_COEX_ALGO_HID_A2DP_PANEDR	= 0x9,
125 	BT_8822B_1ANT_COEX_ALGO_HID_A2DP	= 0xa,
126 	BT_8822B_1ANT_COEX_ALGO_MAX	= 0xb,
127 };
128 
129 enum bt_8822b_1ant_ext_ant_switch_type {
130 	BT_8822B_1ANT_EXT_ANT_SWITCH_USE_SPDT	= 0x0,
131 	BT_8822B_1ANT_EXT_ANT_SWITCH_USE_SP3T	= 0x1,
132 	BT_8822B_1ANT_EXT_ANT_SWITCH_MAX
133 };
134 
135 enum bt_8822b_1ant_ext_ant_switch_ctrl_type {
136 	BT_8822B_1ANT_EXT_ANT_SWITCH_CTRL_BY_BBSW	= 0x0,
137 	BT_8822B_1ANT_EXT_ANT_SWITCH_CTRL_BY_PTA	= 0x1,
138 	BT_8822B_1ANT_EXT_ANT_SWITCH_CTRL_BY_ANTDIV	= 0x2,
139 	BT_8822B_1ANT_EXT_ANT_SWITCH_CTRL_BY_MAC	= 0x3,
140 	BT_8822B_1ANT_EXT_ANT_SWITCH_CTRL_BY_BT	= 0x4,
141 	BT_8822B_1ANT_EXT_ANT_SWITCH_CTRL_MAX
142 };
143 
144 enum bt_8822b_1ant_ext_ant_switch_pos_type {
145 	BT_8822B_1ANT_EXT_ANT_SWITCH_TO_BT	= 0x0,
146 	BT_8822B_1ANT_EXT_ANT_SWITCH_TO_WLG	= 0x1,
147 	BT_8822B_1ANT_EXT_ANT_SWITCH_TO_WLA	= 0x2,
148 	BT_8822B_1ANT_EXT_ANT_SWITCH_TO_NOCARE	= 0x3,
149 	BT_8822B_1ANT_EXT_ANT_SWITCH_TO_MAX
150 };
151 
152 enum bt_8822b_1ant_phase {
153 	BT_8822B_1ANT_PHASE_COEX_INIT	= 0x0,
154 	BT_8822B_1ANT_PHASE_WLANONLY_INIT	= 0x1,
155 	BT_8822B_1ANT_PHASE_WLAN_OFF	= 0x2,
156 	BT_8822B_1ANT_PHASE_2G_RUNTIME	= 0x3,
157 	BT_8822B_1ANT_PHASE_5G_RUNTIME	= 0x4,
158 	BT_8822B_1ANT_PHASE_BTMPMODE	= 0x5,
159 	BT_8822B_1ANT_PHASE_MAX
160 };
161 
162 /*ADD SCOREBOARD TO FIX BT LPS 32K ISSUE WHILE WL BUSY*/
163 enum bt_8822b_1ant_scoreboard {
164 	BT_8822B_1ANT_SCOREBOARD_ACTIVE	= BIT(0),
165 	BT_8822B_1ANT_SCOREBOARD_ONOFF	= BIT(1),
166 	BT_8822B_1ANT_SCOREBOARD_SCAN	= BIT(2),
167 	BT_8822B_1ANT_SCOREBOARD_UNDERTEST	= BIT(3),
168 	BT_8822B_1ANT_SCOREBOARD_WLBUSY = BIT(6)
169 };
170 
171 struct coex_dm_8822b_1ant {
172 	/* hw setting */
173 	u32	pre_ant_pos_type;
174 	u32	cur_ant_pos_type;
175 	/* fw mechanism */
176 	bool	cur_ignore_wlan_act;
177 	bool	pre_ignore_wlan_act;
178 	u8	pre_ps_tdma;
179 	u8	cur_ps_tdma;
180 	u8	ps_tdma_para[5];
181 	u8	ps_tdma_du_adj_type;
182 	bool	auto_tdma_adjust;
183 	bool	pre_ps_tdma_on;
184 	bool	cur_ps_tdma_on;
185 	bool	pre_bt_auto_report;
186 	bool	cur_bt_auto_report;
187 	u8	pre_lps;
188 	u8	cur_lps;
189 	u8	pre_rpwm;
190 	u8	cur_rpwm;
191 
192 	/* sw mechanism */
193 	bool	pre_low_penalty_ra;
194 	bool	cur_low_penalty_ra;
195 	u32	pre_val0x6c0;
196 	u32	cur_val0x6c0;
197 	u32	pre_val0x6c4;
198 	u32	cur_val0x6c4;
199 	u32	pre_val0x6c8;
200 	u32	cur_val0x6c8;
201 	u8	pre_val0x6cc;
202 	u8	cur_val0x6cc;
203 	bool	limited_dig;
204 
205 	u32	backup_arfr_cnt1; /* Auto Rate Fallback Retry cnt */
206 	u32	backup_arfr_cnt2; /* Auto Rate Fallback Retry cnt */
207 	u16	backup_retry_limit;
208 	u8	backup_ampdu_max_time;
209 
210 	/* algorithm related */
211 	u8	pre_algorithm;
212 	u8	cur_algorithm;
213 	u8	bt_status;
214 	u8	wifi_chnl_info[3];
215 
216 	u32	pre_ra_mask;
217 	u32	cur_ra_mask;
218 	u8	pre_arfr_type;
219 	u8	cur_arfr_type;
220 	u8	pre_retry_limit_type;
221 	u8	cur_retry_limit_type;
222 	u8	pre_ampdu_time_type;
223 	u8	cur_ampdu_time_type;
224 	u32	arp_cnt;
225 
226 	u32	pre_ext_ant_switch_status;
227 	u32	cur_ext_ant_switch_status;
228 
229 	u8	error_condition;
230 };
231 
232 struct coex_sta_8822b_1ant {
233 	bool	bt_disabled;
234 	bool	bt_link_exist;
235 	bool	sco_exist;
236 	bool	a2dp_exist;
237 	bool	hid_exist;
238 	bool	pan_exist;
239 	u8	num_of_profile;
240 
241 	bool	under_lps;
242 	bool	under_ips;
243 	u32	specific_pkt_period_cnt;
244 	u32	high_priority_tx;
245 	u32	high_priority_rx;
246 	u32	low_priority_tx;
247 	u32	low_priority_rx;
248 	bool	is_hi_pri_rx_overhead;
249 	s8	bt_rssi;
250 	u8	pre_bt_rssi_state;
251 	u8	pre_wifi_rssi_state[4];
252 	u8	bt_info_c2h[BT_INFO_SRC_8822B_1ANT_MAX][10];
253 	u32	bt_info_c2h_cnt[BT_INFO_SRC_8822B_1ANT_MAX];
254 	bool	bt_whck_test;
255 	bool	c2h_bt_inquiry_page;
256 	bool	c2h_bt_remote_name_req;
257 	bool	c2h_bt_page; /* Add for win8.1 page out issue */
258 	bool	wifi_is_high_pri_task; /* Add for win8.1 page out issue */
259 
260 	u8	bt_info_ext;
261 	u8	bt_info_ext2;
262 	u32	pop_event_cnt;
263 	u8	scan_ap_num;
264 	u8	bt_retry_cnt;
265 
266 	u32	crc_ok_cck;
267 	u32	crc_ok_11g;
268 	u32	crc_ok_11n;
269 	u32	crc_ok_11n_vht;
270 
271 	u32	crc_err_cck;
272 	u32	crc_err_11g;
273 	u32	crc_err_11n;
274 	u32	crc_err_11n_vht;
275 
276 	bool	cck_lock;
277 	bool	pre_ccklock;
278 	bool	cck_ever_lock;
279 	u8	coex_table_type;
280 
281 	bool	force_lps_ctrl;
282 
283 	bool	concurrent_rx_mode_on;
284 
285 	u16	score_board;
286 	u8	isolation_btween_wb; /* 0~ 50 */
287 
288 	u8	a2dp_bit_pool;
289 	u8	cut_version;
290 	bool	acl_busy;
291 	bool	bt_create_connection;
292 
293 	u32	bt_coex_supported_feature;
294 	u32	bt_coex_supported_version;
295 
296 	u8	bt_ble_scan_type;
297 	u32	bt_ble_scan_para[3];
298 
299 	bool	run_time_state;
300 	bool	freeze_coexrun_by_btinfo;
301 
302 	bool	is_A2DP_3M;
303 	bool	voice_over_HOGP;
304 	u8	bt_info;
305 	bool	is_autoslot;
306 	u8	forbidden_slot;
307 	u8	hid_busy_num;
308 	u8	hid_pair_cnt;
309 
310 	u32	cnt_remote_name_req;
311 	u32	cnt_setup_link;
312 	u32	cnt_reinit;
313 	u32	cnt_ign_wlan_act;
314 	u32	cnt_page;
315 	u32	cnt_role_switch;
316 
317 	u16	bt_reg_vendor_ac;
318 	u16	bt_reg_vendor_ae;
319 
320 	bool	is_setup_link;
321 	u8	wl_noisy_level;
322 	u32	gnt_error_cnt;
323 	u8	bt_afh_map[10];
324 	u8	bt_relink_downcount;
325 	bool	is_tdma_btautoslot;
326 	bool	is_tdma_btautoslot_hang;
327 
328 	u8	switch_band_notify_to;
329 	bool	is_rf_state_off;
330 
331 	bool	is_hid_low_pri_tx_overhead;
332 	bool	is_bt_multi_link;
333 	bool	is_bt_a2dp_sink;
334 	bool	rf4ce_enabled;
335 
336 	bool	is_set_ps_state_fail;
337 	u8	cnt_set_ps_state_fail;
338 };
339 
340 struct rfe_type_8822b_1ant {
341 	u8	rfe_module_type;
342 	bool	ext_ant_switch_exist;
343 	u8	ext_ant_switch_type;
344 	/*  iF 0: ANTSW(rfe_sel9)=0, ANTSWB(rfe_sel8)=1 =>  Ant to BT/5G */
345 	u8	ext_ant_switch_ctrl_polarity;
346 };
347 
348 #define BT_8822B_1ANT_ANTDET_PSD_POINTS	256 /* MAX:1024 */
349 #define BT_8822B_1ANT_ANTDET_PSD_AVGNUM	1 /* MAX:3 */
350 #define BT_8822B_1ANT_ANTDET_BUF_LEN	16
351 
352 struct psdscan_sta_8822b_1ant {
353 	u32	ant_det_bt_le_channel; /* BT LE Channel ex:2412 */
354 	u32	ant_det_bt_tx_time;
355 	u32	ant_det_pre_psdscan_peak_val;
356 	bool	ant_det_is_ant_det_available;
357 	u32	ant_det_psd_scan_peak_val;
358 	bool	ant_det_is_btreply_available;
359 	u32	ant_det_psd_scan_peak_freq;
360 
361 	u8	ant_det_result;
362 	u8	ant_det_peak_val[BT_8822B_1ANT_ANTDET_BUF_LEN];
363 	u8	ant_det_peak_freq[BT_8822B_1ANT_ANTDET_BUF_LEN];
364 	u32	ant_det_try_count;
365 	u32	ant_det_fail_count;
366 	u32	ant_det_inteval_count;
367 	u32	ant_det_thres_offset;
368 
369 	u32	real_cent_freq;
370 	s32	real_offset;
371 	u32	real_span;
372 
373 	u32	psd_band_width; /* unit: Hz */
374 	u32	psd_point; /* 128/256/512/1024 */
375 	u32	psd_report[1024]; /* unit:dB (20logx), 0~255 */
376 	u32	psd_report_max_hold[1024]; /* unit:dB (20logx), 0~255 */
377 	u32	psd_start_point;
378 	u32	psd_stop_point;
379 	u32	psd_max_value_point;
380 	u32	psd_max_value;
381 	u32	psd_start_base;
382 	u32	psd_avg_num; /* 1/8/16/32 */
383 	u32	psd_gen_count;
384 	bool	is_psd_running;
385 	bool	is_psd_show_max_only;
386 	bool	is_ant_det_running;
387 };
388 
389 /* *******************************************
390  * The following is interface which will notify coex module.
391  * ********************************************/
392 void ex_btc8822b1ant_power_on_setting(struct btc_coexist *btcoexist);
393 void ex_btc8822b1ant_pre_load_firmware(struct btc_coexist *btcoexist);
394 void ex_btc8822b1ant_init_hw_config(struct btc_coexist *btcoexist,
395 				    bool wifi_only);
396 void ex_btc8822b1ant_init_coex_dm(struct btc_coexist *btcoexist);
397 void ex_btc8822b1ant_ips_notify(struct btc_coexist *btcoexist, u8 type);
398 void ex_btc8822b1ant_lps_notify(struct btc_coexist *btcoexist, u8 type);
399 void ex_btc8822b1ant_scan_notify(struct btc_coexist *btcoexist, u8 type);
400 void ex_btc8822b1ant_scan_notify_without_bt(struct btc_coexist *btcoexist,
401 					    u8 type);
402 void ex_btc8822b1ant_switchband_notify(struct btc_coexist *btcoexist, u8 type);
403 void ex_btc8822b1ant_switchband_notify_without_bt(struct btc_coexist *btcoexist,
404 						  u8 type);
405 void ex_btc8822b1ant_connect_notify(struct btc_coexist *btcoexist, u8 type);
406 void ex_btc8822b1ant_media_status_notify(struct btc_coexist *btcoexist,
407 					 u8 type);
408 void ex_btc8822b1ant_specific_packet_notify(struct btc_coexist *btcoexist,
409 					    u8 type);
410 void ex_btc8822b1ant_bt_info_notify(struct btc_coexist *btcoexist, u8 *tmp_buf,
411 				    u8 length);
412 void ex_btc8822b1ant_rf_status_notify(struct btc_coexist *btcoexist, u8 type);
413 void ex_btc8822b1ant_halt_notify(struct btc_coexist *btcoexist);
414 void ex_btc8822b1ant_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state);
415 void ex_halbtc8822b1ant_score_board_status_notify(struct btc_coexist *btcoexist,
416 						  u8 *tmp_buf, u8 length);
417 void ex_btc8822b1ant_coex_dm_reset(struct btc_coexist *btcoexist);
418 void ex_btc8822b1ant_periodical(struct btc_coexist *btcoexist);
419 void ex_btc8822b1ant_display_coex_info(struct btc_coexist *btcoexist,
420 				       struct seq_file *m);
421 void ex_btc8822b1ant_antenna_detection(struct btc_coexist *btcoexist,
422 				       u32 cent_freq, u32 offset, u32 span,
423 				       u32 seconds);
424 void ex_btc8822b1ant_antenna_isolation(struct btc_coexist *btcoexist,
425 				       u32 cent_freq, u32 offset, u32 span,
426 				       u32 seconds);
427 
428 void ex_btc8822b1ant_psd_scan(struct btc_coexist *btcoexist, u32 cent_freq,
429 			      u32 offset, u32 span, u32 seconds);
430 void ex_btc8822b1ant_display_ant_detection(struct btc_coexist *btcoexist);
431 
432 void ex_btc8822b1ant_dbg_control(struct btc_coexist *btcoexist, u8 op_code,
433 				 u8 op_len, u8 *pdata);
434