137 static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info);
139 static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,  in arizona_extcon_hp_clamp()  argument
142 	struct arizona *arizona = info->arizona;  in arizona_extcon_hp_clamp()
205 static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode)  in arizona_extcon_set_mode()  argument
207 	struct arizona *arizona = info->arizona;  in arizona_extcon_set_mode()
209 	mode %= info->micd_num_modes;  in arizona_extcon_set_mode()
213 					info->micd_modes[mode].gpio);  in arizona_extcon_set_mode()
216 			   info->micd_modes[mode].bias <<  in arizona_extcon_set_mode()
219 			   ARIZONA_ACCDET_SRC, info->micd_modes[mode].src);  in arizona_extcon_set_mode()
221 	info->micd_mode = mode;  in arizona_extcon_set_mode()
226 static const char *arizona_extcon_get_micbias(struct arizona_extcon_info *info)  in arizona_extcon_get_micbias()  argument
228 	switch (info->micd_modes[0].bias) {  in arizona_extcon_get_micbias()
240 static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info)  in arizona_extcon_pulse_micbias()  argument
242 	struct arizona *arizona = info->arizona;  in arizona_extcon_pulse_micbias()
243 	const char *widget = arizona_extcon_get_micbias(info);  in arizona_extcon_pulse_micbias()
264 static void arizona_start_mic(struct arizona_extcon_info *info)  in arizona_start_mic()  argument
266 	struct arizona *arizona = info->arizona;  in arizona_start_mic()
271 	pm_runtime_get(info->dev);  in arizona_start_mic()
273 	if (info->detecting) {  in arizona_start_mic()
274 		ret = regulator_allow_bypass(info->micvdd, false);  in arizona_start_mic()
282 	ret = regulator_enable(info->micvdd);  in arizona_start_mic()
288 	if (info->micd_reva) {  in arizona_start_mic()
298 	arizona_extcon_pulse_micbias(info);  in arizona_start_mic()
304 		regulator_disable(info->micvdd);  in arizona_start_mic()
305 		pm_runtime_put_autosuspend(info->dev);  in arizona_start_mic()
309 static void arizona_stop_mic(struct arizona_extcon_info *info)  in arizona_stop_mic()  argument
311 	struct arizona *arizona = info->arizona;  in arizona_stop_mic()
312 	const char *widget = arizona_extcon_get_micbias(info);  in arizona_stop_mic()
329 	if (info->micd_reva) {  in arizona_stop_mic()
335 	ret = regulator_allow_bypass(info->micvdd, true);  in arizona_stop_mic()
342 		regulator_disable(info->micvdd);  in arizona_stop_mic()
343 		pm_runtime_mark_last_busy(info->dev);  in arizona_stop_mic()
344 		pm_runtime_put_autosuspend(info->dev);  in arizona_stop_mic()
370 static int arizona_hpdet_read(struct arizona_extcon_info *info)  in arizona_hpdet_read()  argument
372 	struct arizona *arizona = info->arizona;  in arizona_hpdet_read()
383 	switch (info->hpdet_ip) {  in arizona_hpdet_read()
444 			 info->hpdet_ip);  in arizona_hpdet_read()
487 static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading,  in arizona_hpdet_do_id()  argument
490 	struct arizona *arizona = info->arizona;  in arizona_hpdet_do_id()
498 		info->hpdet_res[info->num_hpdet_res++] = *reading;  in arizona_hpdet_do_id()
501 		if (id_gpio && info->num_hpdet_res == 1) {  in arizona_hpdet_do_id()
509 					   info->micd_modes[0].src);  in arizona_hpdet_do_id()
521 			info->hpdet_res[0], info->hpdet_res[1]);  in arizona_hpdet_do_id()
524 		*reading = info->hpdet_res[0];  in arizona_hpdet_do_id()
527 		if (*reading >= ARIZONA_HPDET_MAX && !info->hpdet_retried) {  in arizona_hpdet_do_id()
529 			info->num_hpdet_res = 0;  in arizona_hpdet_do_id()
530 			info->hpdet_retried = true;  in arizona_hpdet_do_id()
531 			arizona_start_hpdet_acc_id(info);  in arizona_hpdet_do_id()
532 			pm_runtime_put(info->dev);  in arizona_hpdet_do_id()
539 		if (!id_gpio || info->hpdet_res[1] > 50) {  in arizona_hpdet_do_id()
542 			info->detecting = true;  in arizona_hpdet_do_id()
551 				   info->micd_modes[0].src);  in arizona_hpdet_do_id()
559 	struct arizona_extcon_info *info = data;  in arizona_hpdet_irq()  local
560 	struct arizona *arizona = info->arizona;  in arizona_hpdet_irq()
566 	mutex_lock(&info->lock);  in arizona_hpdet_irq()
569 	if (!info->hpdet_active) {  in arizona_hpdet_irq()
571 		mutex_unlock(&info->lock);  in arizona_hpdet_irq()
576 	ret = extcon_get_cable_state_(info->edev, ARIZONA_CABLE_MECHANICAL);  in arizona_hpdet_irq()
586 	ret = arizona_hpdet_read(info);  in arizona_hpdet_irq()
599 	ret = arizona_hpdet_do_id(info, &reading, &mic);  in arizona_hpdet_irq()
611 	ret = extcon_set_cable_state_(info->edev, report, true);  in arizona_hpdet_irq()
623 	arizona_extcon_hp_clamp(info, false);  in arizona_hpdet_irq()
634 	if (mic || info->mic)  in arizona_hpdet_irq()
635 		arizona_start_mic(info);  in arizona_hpdet_irq()
637 	if (info->hpdet_active) {  in arizona_hpdet_irq()
638 		pm_runtime_put_autosuspend(info->dev);  in arizona_hpdet_irq()
639 		info->hpdet_active = false;  in arizona_hpdet_irq()
642 	info->hpdet_done = true;  in arizona_hpdet_irq()
645 	mutex_unlock(&info->lock);  in arizona_hpdet_irq()
650 static void arizona_identify_headphone(struct arizona_extcon_info *info)  in arizona_identify_headphone()  argument
652 	struct arizona *arizona = info->arizona;  in arizona_identify_headphone()
655 	if (info->hpdet_done)  in arizona_identify_headphone()
661 	pm_runtime_get(info->dev);  in arizona_identify_headphone()
663 	info->hpdet_active = true;  in arizona_identify_headphone()
665 	if (info->mic)  in arizona_identify_headphone()
666 		arizona_stop_mic(info);  in arizona_identify_headphone()
668 	arizona_extcon_hp_clamp(info, true);  in arizona_identify_headphone()
694 	ret = extcon_set_cable_state_(info->edev,  in arizona_identify_headphone()
699 	if (info->mic)  in arizona_identify_headphone()
700 		arizona_start_mic(info);  in arizona_identify_headphone()
702 	info->hpdet_active = false;  in arizona_identify_headphone()
705 static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info)  in arizona_start_hpdet_acc_id()  argument
707 	struct arizona *arizona = info->arizona;  in arizona_start_hpdet_acc_id()
715 	pm_runtime_get_sync(info->dev);  in arizona_start_hpdet_acc_id()
717 	info->hpdet_active = true;  in arizona_start_hpdet_acc_id()
719 	arizona_extcon_hp_clamp(info, true);  in arizona_start_hpdet_acc_id()
724 				 info->micd_modes[0].src |  in arizona_start_hpdet_acc_id()
742 		arizona_hpdet_do_id(info, &hp_reading, &mic);  in arizona_start_hpdet_acc_id()
752 	ret = extcon_set_cable_state_(info->edev,  in arizona_start_hpdet_acc_id()
757 	info->hpdet_active = false;  in arizona_start_hpdet_acc_id()
762 	struct arizona_extcon_info *info = container_of(work,  in arizona_micd_timeout_work()  local
766 	mutex_lock(&info->lock);  in arizona_micd_timeout_work()
768 	dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n");  in arizona_micd_timeout_work()
769 	arizona_identify_headphone(info);  in arizona_micd_timeout_work()
771 	info->detecting = false;  in arizona_micd_timeout_work()
773 	arizona_stop_mic(info);  in arizona_micd_timeout_work()
775 	mutex_unlock(&info->lock);  in arizona_micd_timeout_work()
780 	struct arizona_extcon_info *info = container_of(work,  in arizona_micd_detect()  local
783 	struct arizona *arizona = info->arizona;  in arizona_micd_detect()
787 	cancel_delayed_work_sync(&info->micd_timeout_work);  in arizona_micd_detect()
789 	mutex_lock(&info->lock);  in arizona_micd_detect()
792 	ret = extcon_get_cable_state_(info->edev, ARIZONA_CABLE_MECHANICAL);  in arizona_micd_detect()
796 		mutex_unlock(&info->lock);  in arizona_micd_detect()
800 		mutex_unlock(&info->lock);  in arizona_micd_detect()
809 			mutex_unlock(&info->lock);  in arizona_micd_detect()
818 			mutex_unlock(&info->lock);  in arizona_micd_detect()
825 		mutex_unlock(&info->lock);  in arizona_micd_detect()
832 		info->detecting = false;  in arizona_micd_detect()
837 	if (info->detecting && (val & ARIZONA_MICD_LVL_8)) {  in arizona_micd_detect()
838 		arizona_identify_headphone(info);  in arizona_micd_detect()
840 		ret = extcon_set_cable_state_(info->edev,  in arizona_micd_detect()
848 		ret = regulator_allow_bypass(info->micvdd, true);  in arizona_micd_detect()
854 		info->mic = true;  in arizona_micd_detect()
855 		info->detecting = false;  in arizona_micd_detect()
865 	if (info->detecting && (val & MICD_LVL_1_TO_7)) {  in arizona_micd_detect()
866 		if (info->jack_flips >= info->micd_num_modes * 10) {  in arizona_micd_detect()
868 			arizona_identify_headphone(info);  in arizona_micd_detect()
870 			info->detecting = false;  in arizona_micd_detect()
872 			arizona_stop_mic(info);  in arizona_micd_detect()
874 			info->micd_mode++;  in arizona_micd_detect()
875 			if (info->micd_mode == info->micd_num_modes)  in arizona_micd_detect()
876 				info->micd_mode = 0;  in arizona_micd_detect()
877 			arizona_extcon_set_mode(info, info->micd_mode);  in arizona_micd_detect()
879 			info->jack_flips++;  in arizona_micd_detect()
890 		if (info->mic) {  in arizona_micd_detect()
896 			for (i = 0; i < info->num_micd_ranges; i++)  in arizona_micd_detect()
897 				input_report_key(info->input,  in arizona_micd_detect()
898 						 info->micd_ranges[i].key, 0);  in arizona_micd_detect()
901 			WARN_ON(ffs(lvl) - 1 >= info->num_micd_ranges);  in arizona_micd_detect()
902 			if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) {  in arizona_micd_detect()
903 				key = info->micd_ranges[ffs(lvl) - 1].key;  in arizona_micd_detect()
904 				input_report_key(info->input, key, 1);  in arizona_micd_detect()
905 				input_sync(info->input);  in arizona_micd_detect()
908 		} else if (info->detecting) {  in arizona_micd_detect()
910 			info->detecting = false;  in arizona_micd_detect()
911 			arizona_stop_mic(info);  in arizona_micd_detect()
913 			arizona_identify_headphone(info);  in arizona_micd_detect()
920 		for (i = 0; i < info->num_micd_ranges; i++)  in arizona_micd_detect()
921 			input_report_key(info->input,  in arizona_micd_detect()
922 					 info->micd_ranges[i].key, 0);  in arizona_micd_detect()
923 		input_sync(info->input);  in arizona_micd_detect()
924 		arizona_extcon_pulse_micbias(info);  in arizona_micd_detect()
928 	if (info->detecting)  in arizona_micd_detect()
930 				   &info->micd_timeout_work,  in arizona_micd_detect()
931 				   msecs_to_jiffies(info->micd_timeout));  in arizona_micd_detect()
933 	pm_runtime_mark_last_busy(info->dev);  in arizona_micd_detect()
934 	mutex_unlock(&info->lock);  in arizona_micd_detect()
939 	struct arizona_extcon_info *info = data;  in arizona_micdet()  local
940 	struct arizona *arizona = info->arizona;  in arizona_micdet()
943 	cancel_delayed_work_sync(&info->micd_detect_work);  in arizona_micdet()
944 	cancel_delayed_work_sync(&info->micd_timeout_work);  in arizona_micdet()
946 	mutex_lock(&info->lock);  in arizona_micdet()
947 	if (!info->detecting)  in arizona_micdet()
949 	mutex_unlock(&info->lock);  in arizona_micdet()
953 				   &info->micd_detect_work,  in arizona_micdet()
956 		arizona_micd_detect(&info->micd_detect_work.work);  in arizona_micdet()
963 	struct arizona_extcon_info *info = container_of(work,  in arizona_hpdet_work()  local
967 	mutex_lock(&info->lock);  in arizona_hpdet_work()
968 	arizona_start_hpdet_acc_id(info);  in arizona_hpdet_work()
969 	mutex_unlock(&info->lock);  in arizona_hpdet_work()
974 	struct arizona_extcon_info *info = data;  in arizona_jackdet()  local
975 	struct arizona *arizona = info->arizona;  in arizona_jackdet()
980 	cancelled_hp = cancel_delayed_work_sync(&info->hpdet_work);  in arizona_jackdet()
981 	cancelled_mic = cancel_delayed_work_sync(&info->micd_timeout_work);  in arizona_jackdet()
983 	pm_runtime_get_sync(info->dev);  in arizona_jackdet()
985 	mutex_lock(&info->lock);  in arizona_jackdet()
1005 		mutex_unlock(&info->lock);  in arizona_jackdet()
1006 		pm_runtime_put_autosuspend(info->dev);  in arizona_jackdet()
1011 	if (val == info->last_jackdet) {  in arizona_jackdet()
1015 					   &info->hpdet_work,  in arizona_jackdet()
1019 			int micd_timeout = info->micd_timeout;  in arizona_jackdet()
1022 					   &info->micd_timeout_work,  in arizona_jackdet()
1028 	info->last_jackdet = val;  in arizona_jackdet()
1030 	if (info->last_jackdet == present) {  in arizona_jackdet()
1032 		ret = extcon_set_cable_state_(info->edev,  in arizona_jackdet()
1040 			info->detecting = true;  in arizona_jackdet()
1041 			info->mic = false;  in arizona_jackdet()
1042 			info->jack_flips = 0;  in arizona_jackdet()
1044 			arizona_start_mic(info);  in arizona_jackdet()
1047 					   &info->hpdet_work,  in arizona_jackdet()
1057 		arizona_stop_mic(info);  in arizona_jackdet()
1059 		info->num_hpdet_res = 0;  in arizona_jackdet()
1060 		for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++)  in arizona_jackdet()
1061 			info->hpdet_res[i] = 0;  in arizona_jackdet()
1062 		info->mic = false;  in arizona_jackdet()
1063 		info->hpdet_done = false;  in arizona_jackdet()
1064 		info->hpdet_retried = false;  in arizona_jackdet()
1066 		for (i = 0; i < info->num_micd_ranges; i++)  in arizona_jackdet()
1067 			input_report_key(info->input,  in arizona_jackdet()
1068 					 info->micd_ranges[i].key, 0);  in arizona_jackdet()
1069 		input_sync(info->input);  in arizona_jackdet()
1071 		ret = extcon_update_state(info->edev, 0xffffffff, 0);  in arizona_jackdet()
1083 		info->micd_timeout = arizona->pdata.micd_timeout;  in arizona_jackdet()
1085 		info->micd_timeout = DEFAULT_MICD_TIMEOUT;  in arizona_jackdet()
1095 	mutex_unlock(&info->lock);  in arizona_jackdet()
1097 	pm_runtime_mark_last_busy(info->dev);  in arizona_jackdet()
1098 	pm_runtime_put_autosuspend(info->dev);  in arizona_jackdet()
1127 	struct arizona_extcon_info *info;  in arizona_extcon_probe()  local
1136 	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);  in arizona_extcon_probe()
1137 	if (!info)  in arizona_extcon_probe()
1140 	info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD");  in arizona_extcon_probe()
1141 	if (IS_ERR(info->micvdd)) {  in arizona_extcon_probe()
1142 		ret = PTR_ERR(info->micvdd);  in arizona_extcon_probe()
1147 	mutex_init(&info->lock);  in arizona_extcon_probe()
1148 	info->arizona = arizona;  in arizona_extcon_probe()
1149 	info->dev = &pdev->dev;  in arizona_extcon_probe()
1150 	info->last_jackdet = ~(ARIZONA_MICD_CLAMP_STS | ARIZONA_JD1_STS);  in arizona_extcon_probe()
1151 	INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work);  in arizona_extcon_probe()
1152 	INIT_DELAYED_WORK(&info->micd_detect_work, arizona_micd_detect);  in arizona_extcon_probe()
1153 	INIT_DELAYED_WORK(&info->micd_timeout_work, arizona_micd_timeout_work);  in arizona_extcon_probe()
1154 	platform_set_drvdata(pdev, info);  in arizona_extcon_probe()
1160 			info->micd_reva = true;  in arizona_extcon_probe()
1163 			info->micd_clamp = true;  in arizona_extcon_probe()
1164 			info->hpdet_ip = 1;  in arizona_extcon_probe()
1174 			info->micd_clamp = true;  in arizona_extcon_probe()
1175 			info->hpdet_ip = 2;  in arizona_extcon_probe()
1183 	info->edev = devm_extcon_dev_allocate(&pdev->dev, arizona_cable);  in arizona_extcon_probe()
1184 	if (IS_ERR(info->edev)) {  in arizona_extcon_probe()
1188 	info->edev->name = "Headset Jack";  in arizona_extcon_probe()
1190 	ret = devm_extcon_dev_register(&pdev->dev, info->edev);  in arizona_extcon_probe()
1197 	info->input = devm_input_allocate_device(&pdev->dev);  in arizona_extcon_probe()
1198 	if (!info->input) {  in arizona_extcon_probe()
1204 	info->input->name = "Headset";  in arizona_extcon_probe()
1205 	info->input->phys = "arizona/extcon";  in arizona_extcon_probe()
1208 		info->micd_modes = pdata->micd_configs;  in arizona_extcon_probe()
1209 		info->micd_num_modes = pdata->num_micd_configs;  in arizona_extcon_probe()
1211 		info->micd_modes = micd_default_modes;  in arizona_extcon_probe()
1212 		info->micd_num_modes = ARRAY_SIZE(micd_default_modes);  in arizona_extcon_probe()
1216 		if (info->micd_modes[0].gpio)  in arizona_extcon_probe()
1265 		info->micd_ranges = pdata->micd_ranges;  in arizona_extcon_probe()
1266 		info->num_micd_ranges = pdata->num_micd_ranges;  in arizona_extcon_probe()
1268 		info->micd_ranges = micd_default_ranges;  in arizona_extcon_probe()
1269 		info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges);  in arizona_extcon_probe()
1277 	if (info->num_micd_ranges > 1) {  in arizona_extcon_probe()
1278 		for (i = 1; i < info->num_micd_ranges; i++) {  in arizona_extcon_probe()
1279 			if (info->micd_ranges[i - 1].max >  in arizona_extcon_probe()
1280 			    info->micd_ranges[i].max) {  in arizona_extcon_probe()
1294 	for (i = 0; i < info->num_micd_ranges; i++) {  in arizona_extcon_probe()
1296 			if (arizona_micd_levels[j] >= info->micd_ranges[i].max)  in arizona_extcon_probe()
1301 				info->micd_ranges[i].max);  in arizona_extcon_probe()
1310 		input_set_capability(info->input, EV_KEY,  in arizona_extcon_probe()
1311 				     info->micd_ranges[i].key);  in arizona_extcon_probe()
1326 	if (info->micd_clamp) {  in arizona_extcon_probe()
1357 	arizona_extcon_set_mode(info, 0);  in arizona_extcon_probe()
1372 				  "JACKDET rise", arizona_jackdet, info);  in arizona_extcon_probe()
1387 				  "JACKDET fall", arizona_jackdet, info);  in arizona_extcon_probe()
1401 				  "MICDET", arizona_micdet, info);  in arizona_extcon_probe()
1408 				  "HPDET", arizona_hpdet_irq, info);  in arizona_extcon_probe()
1420 	ret = regulator_allow_bypass(info->micvdd, true);  in arizona_extcon_probe()
1427 	ret = input_register_device(info->input);  in arizona_extcon_probe()
1436 	arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info);  in arizona_extcon_probe()
1438 	arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info);  in arizona_extcon_probe()
1442 	arizona_free_irq(arizona, jack_irq_fall, info);  in arizona_extcon_probe()
1446 	arizona_free_irq(arizona, jack_irq_rise, info);  in arizona_extcon_probe()
1455 	struct arizona_extcon_info *info = platform_get_drvdata(pdev);  in arizona_extcon_remove()  local
1456 	struct arizona *arizona = info->arizona;  in arizona_extcon_remove()
1475 	arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info);  in arizona_extcon_remove()
1476 	arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info);  in arizona_extcon_remove()
1477 	arizona_free_irq(arizona, jack_irq_rise, info);  in arizona_extcon_remove()
1478 	arizona_free_irq(arizona, jack_irq_fall, info);  in arizona_extcon_remove()
1479 	cancel_delayed_work_sync(&info->hpdet_work);  in arizona_extcon_remove()