149 static void brcmf_btcoex_boost_wifi(struct brcmf_btcoex_info *btci,  in brcmf_btcoex_boost_wifi()  argument
152 	struct brcmf_if *ifp = btci->cfg->pub->iflist[0];  in brcmf_btcoex_boost_wifi()
154 	if (trump_sco && !btci->saved_regs_part2) {  in brcmf_btcoex_boost_wifi()
161 		brcmf_btcoex_params_read(ifp, 50, &btci->reg50);  in brcmf_btcoex_boost_wifi()
162 		brcmf_btcoex_params_read(ifp, 51, &btci->reg51);  in brcmf_btcoex_boost_wifi()
163 		brcmf_btcoex_params_read(ifp, 64, &btci->reg64);  in brcmf_btcoex_boost_wifi()
164 		brcmf_btcoex_params_read(ifp, 65, &btci->reg65);  in brcmf_btcoex_boost_wifi()
165 		brcmf_btcoex_params_read(ifp, 71, &btci->reg71);  in brcmf_btcoex_boost_wifi()
167 		btci->saved_regs_part2 = true;  in brcmf_btcoex_boost_wifi()
170 			  btci->reg50, btci->reg51, btci->reg64,  in brcmf_btcoex_boost_wifi()
171 			  btci->reg65, btci->reg71);  in brcmf_btcoex_boost_wifi()
180 	} else if (btci->saved_regs_part2) {  in brcmf_btcoex_boost_wifi()
183 		brcmf_btcoex_params_write(ifp, 50, btci->reg50);  in brcmf_btcoex_boost_wifi()
184 		brcmf_btcoex_params_write(ifp, 51, btci->reg51);  in brcmf_btcoex_boost_wifi()
185 		brcmf_btcoex_params_write(ifp, 64, btci->reg64);  in brcmf_btcoex_boost_wifi()
186 		brcmf_btcoex_params_write(ifp, 65, btci->reg65);  in brcmf_btcoex_boost_wifi()
187 		brcmf_btcoex_params_write(ifp, 71, btci->reg71);  in brcmf_btcoex_boost_wifi()
191 			  btci->reg50, btci->reg51, btci->reg64,  in brcmf_btcoex_boost_wifi()
192 			  btci->reg65, btci->reg71);  in brcmf_btcoex_boost_wifi()
194 		btci->saved_regs_part2 = false;  in brcmf_btcoex_boost_wifi()
243 static void btcmf_btcoex_save_part1(struct brcmf_btcoex_info *btci)  in btcmf_btcoex_save_part1()  argument
245 	struct brcmf_if *ifp = btci->vif->ifp;  in btcmf_btcoex_save_part1()
247 	if (!btci->saved_regs_part1) {  in btcmf_btcoex_save_part1()
249 		brcmf_btcoex_params_read(ifp, 66, &btci->reg66);  in btcmf_btcoex_save_part1()
250 		brcmf_btcoex_params_read(ifp, 41, &btci->reg41);  in btcmf_btcoex_save_part1()
251 		brcmf_btcoex_params_read(ifp, 68, &btci->reg68);  in btcmf_btcoex_save_part1()
252 		btci->saved_regs_part1 = true;  in btcmf_btcoex_save_part1()
255 			  btci->reg66, btci->reg41,  in btcmf_btcoex_save_part1()
256 			  btci->reg68);  in btcmf_btcoex_save_part1()
263 static void brcmf_btcoex_restore_part1(struct brcmf_btcoex_info *btci)  in brcmf_btcoex_restore_part1()  argument
267 	if (btci->saved_regs_part1) {  in brcmf_btcoex_restore_part1()
268 		btci->saved_regs_part1 = false;  in brcmf_btcoex_restore_part1()
269 		ifp = btci->vif->ifp;  in brcmf_btcoex_restore_part1()
270 		brcmf_btcoex_params_write(ifp, 66, btci->reg66);  in brcmf_btcoex_restore_part1()
271 		brcmf_btcoex_params_write(ifp, 41, btci->reg41);  in brcmf_btcoex_restore_part1()
272 		brcmf_btcoex_params_write(ifp, 68, btci->reg68);  in brcmf_btcoex_restore_part1()
275 			  btci->reg66, btci->reg41,  in brcmf_btcoex_restore_part1()
276 			  btci->reg68);  in brcmf_btcoex_restore_part1()
298 	struct brcmf_btcoex_info *btci;  in brcmf_btcoex_handler()  local
299 	btci = container_of(work, struct brcmf_btcoex_info, work);  in brcmf_btcoex_handler()
300 	if (btci->timer_on) {  in brcmf_btcoex_handler()
301 		btci->timer_on = false;  in brcmf_btcoex_handler()
302 		del_timer_sync(&btci->timer);  in brcmf_btcoex_handler()
305 	switch (btci->bt_state) {  in brcmf_btcoex_handler()
311 		btci->bt_state = BRCMF_BT_DHCP_OPPR_WIN;  in brcmf_btcoex_handler()
312 		if (btci->timeout < BRCMF_BTCOEX_OPPR_WIN_TIME) {  in brcmf_btcoex_handler()
313 			mod_timer(&btci->timer, btci->timer.expires);  in brcmf_btcoex_handler()
315 			btci->timeout -= BRCMF_BTCOEX_OPPR_WIN_TIME;  in brcmf_btcoex_handler()
316 			mod_timer(&btci->timer,  in brcmf_btcoex_handler()
320 		btci->timer_on = true;  in brcmf_btcoex_handler()
324 		if (btci->dhcp_done) {  in brcmf_btcoex_handler()
332 		brcmf_btcoex_boost_wifi(btci, true);  in brcmf_btcoex_handler()
334 		btci->bt_state = BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT;  in brcmf_btcoex_handler()
335 		mod_timer(&btci->timer,  in brcmf_btcoex_handler()
336 			  jiffies + msecs_to_jiffies(btci->timeout));  in brcmf_btcoex_handler()
337 		btci->timer_on = true;  in brcmf_btcoex_handler()
341 		if (btci->dhcp_done)  in brcmf_btcoex_handler()
350 		brcmf_err("invalid state=%d !!!\n", btci->bt_state);  in brcmf_btcoex_handler()
357 	btci->bt_state = BRCMF_BT_DHCP_IDLE;  in brcmf_btcoex_handler()
358 	btci->timer_on = false;  in brcmf_btcoex_handler()
359 	brcmf_btcoex_boost_wifi(btci, false);  in brcmf_btcoex_handler()
360 	cfg80211_crit_proto_stopped(&btci->vif->wdev, GFP_KERNEL);  in brcmf_btcoex_handler()
361 	brcmf_btcoex_restore_part1(btci);  in brcmf_btcoex_handler()
362 	btci->vif = NULL;  in brcmf_btcoex_handler()
373 	struct brcmf_btcoex_info *btci = NULL;  in brcmf_btcoex_attach()  local
376 	btci = kmalloc(sizeof(struct brcmf_btcoex_info), GFP_KERNEL);  in brcmf_btcoex_attach()
377 	if (!btci)  in brcmf_btcoex_attach()
380 	btci->bt_state = BRCMF_BT_DHCP_IDLE;  in brcmf_btcoex_attach()
383 	btci->timer_on = false;  in brcmf_btcoex_attach()
384 	btci->timeout = BRCMF_BTCOEX_OPPR_WIN_TIME;  in brcmf_btcoex_attach()
385 	init_timer(&btci->timer);  in brcmf_btcoex_attach()
386 	btci->timer.data = (ulong)btci;  in brcmf_btcoex_attach()
387 	btci->timer.function = brcmf_btcoex_timerfunc;  in brcmf_btcoex_attach()
388 	btci->cfg = cfg;  in brcmf_btcoex_attach()
389 	btci->saved_regs_part1 = false;  in brcmf_btcoex_attach()
390 	btci->saved_regs_part2 = false;  in brcmf_btcoex_attach()
392 	INIT_WORK(&btci->work, brcmf_btcoex_handler);  in brcmf_btcoex_attach()
394 	cfg->btcoex = btci;  in brcmf_btcoex_attach()
423 static void brcmf_btcoex_dhcp_start(struct brcmf_btcoex_info *btci)  in brcmf_btcoex_dhcp_start()  argument
425 	struct brcmf_if *ifp = btci->vif->ifp;  in brcmf_btcoex_dhcp_start()
427 	btcmf_btcoex_save_part1(btci);  in brcmf_btcoex_dhcp_start()
432 	btci->dhcp_done = false;  in brcmf_btcoex_dhcp_start()
433 	btci->bt_state = BRCMF_BT_DHCP_START;  in brcmf_btcoex_dhcp_start()
434 	schedule_work(&btci->work);  in brcmf_btcoex_dhcp_start()
438 static void brcmf_btcoex_dhcp_end(struct brcmf_btcoex_info *btci)  in brcmf_btcoex_dhcp_end()  argument
441 	btci->dhcp_done = true;  in brcmf_btcoex_dhcp_end()
442 	if (btci->timer_on) {  in brcmf_btcoex_dhcp_end()
444 		btci->timer_on = false;  in brcmf_btcoex_dhcp_end()
445 		del_timer_sync(&btci->timer);  in brcmf_btcoex_dhcp_end()
448 		if (btci->bt_state != BRCMF_BT_DHCP_IDLE) {  in brcmf_btcoex_dhcp_end()
450 				  btci->bt_state);  in brcmf_btcoex_dhcp_end()
451 			schedule_work(&btci->work);  in brcmf_btcoex_dhcp_end()
455 		brcmf_btcoex_restore_part1(btci);  in brcmf_btcoex_dhcp_end()
470 	struct brcmf_btcoex_info *btci = cfg->btcoex;  in brcmf_btcoex_set_mode()  local
476 		if (btci->bt_state != BRCMF_BT_DHCP_IDLE)  in brcmf_btcoex_set_mode()
480 			btci->timeout = duration;  in brcmf_btcoex_set_mode()
481 			btci->vif = vif;  in brcmf_btcoex_set_mode()
482 			brcmf_btcoex_dhcp_start(btci);  in brcmf_btcoex_set_mode()
488 		if (btci->bt_state != BRCMF_BT_DHCP_IDLE &&  in brcmf_btcoex_set_mode()
489 		    vif == btci->vif) {  in brcmf_btcoex_set_mode()
490 			brcmf_btcoex_dhcp_end(btci);  in brcmf_btcoex_set_mode()