38 static int ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id);
54 static u32 ti_bandgap_readl(struct ti_bandgap *bgp, u32 reg)  in ti_bandgap_readl()  argument
56 	return readl(bgp->base + reg);  in ti_bandgap_readl()
67 static void ti_bandgap_writel(struct ti_bandgap *bgp, u32 val, u32 reg)  in ti_bandgap_writel()  argument
69 	writel(val, bgp->base + reg);  in ti_bandgap_writel()
78 #define RMW_BITS(bgp, id, reg, mask, val)			\  argument
83 	t = bgp->conf->sensors[(id)].registers;		\
84 	r = ti_bandgap_readl(bgp, t->reg);			\
87 	ti_bandgap_writel(bgp, r, t->reg);			\
102 static int ti_bandgap_power(struct ti_bandgap *bgp, bool on)  in ti_bandgap_power()  argument
106 	if (!TI_BANDGAP_HAS(bgp, POWER_SWITCH))  in ti_bandgap_power()
109 	for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_power()
111 		RMW_BITS(bgp, i, temp_sensor_ctrl, bgap_tempsoff_mask, !on);  in ti_bandgap_power()
131 static u32 ti_errata814_bandgap_read_temp(struct ti_bandgap *bgp,  u32 reg)  in ti_errata814_bandgap_read_temp()  argument
135 	val1 = ti_bandgap_readl(bgp, reg);  in ti_errata814_bandgap_read_temp()
136 	val2 = ti_bandgap_readl(bgp, reg);  in ti_errata814_bandgap_read_temp()
143 	return ti_bandgap_readl(bgp, reg);  in ti_errata814_bandgap_read_temp()
158 static u32 ti_bandgap_read_temp(struct ti_bandgap *bgp, int id)  in ti_bandgap_read_temp()  argument
163 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_read_temp()
166 	if (TI_BANDGAP_HAS(bgp, FREEZE_BIT)) {  in ti_bandgap_read_temp()
167 		RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 1);  in ti_bandgap_read_temp()
176 	if (TI_BANDGAP_HAS(bgp, ERRATA_814))  in ti_bandgap_read_temp()
177 		temp = ti_errata814_bandgap_read_temp(bgp, reg);  in ti_bandgap_read_temp()
179 		temp = ti_bandgap_readl(bgp, reg);  in ti_bandgap_read_temp()
183 	if (TI_BANDGAP_HAS(bgp, FREEZE_BIT))  in ti_bandgap_read_temp()
184 		RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 0);  in ti_bandgap_read_temp()
206 	struct ti_bandgap *bgp = data;  in ti_bandgap_talert_irq_handler()  local
211 	spin_lock(&bgp->lock);  in ti_bandgap_talert_irq_handler()
212 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_talert_irq_handler()
213 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_talert_irq_handler()
214 		ctrl = ti_bandgap_readl(bgp, tsr->bgap_status);  in ti_bandgap_talert_irq_handler()
225 		ctrl = ti_bandgap_readl(bgp, tsr->bgap_mask_ctrl);  in ti_bandgap_talert_irq_handler()
239 		ti_bandgap_writel(bgp, ctrl, tsr->bgap_mask_ctrl);  in ti_bandgap_talert_irq_handler()
241 		dev_dbg(bgp->dev,  in ti_bandgap_talert_irq_handler()
243 			__func__, bgp->conf->sensors[i].domain,  in ti_bandgap_talert_irq_handler()
247 		if (bgp->conf->report_temperature)  in ti_bandgap_talert_irq_handler()
248 			bgp->conf->report_temperature(bgp, i);  in ti_bandgap_talert_irq_handler()
250 	spin_unlock(&bgp->lock);  in ti_bandgap_talert_irq_handler()
292 int ti_bandgap_adc_to_mcelsius(struct ti_bandgap *bgp, int adc_val, int *t)  in ti_bandgap_adc_to_mcelsius()  argument
294 	const struct ti_bandgap_data *conf = bgp->conf;  in ti_bandgap_adc_to_mcelsius()
300 	*t = bgp->conf->conv_table[adc_val - conf->adc_start_val];  in ti_bandgap_adc_to_mcelsius()
315 static inline int ti_bandgap_validate(struct ti_bandgap *bgp, int id)  in ti_bandgap_validate()  argument
317 	if (!bgp || IS_ERR(bgp)) {  in ti_bandgap_validate()
322 	if ((id < 0) || (id >= bgp->conf->sensor_count)) {  in ti_bandgap_validate()
323 		dev_err(bgp->dev, "%s: sensor id out of range (%d)\n",  in ti_bandgap_validate()
337 static void ti_bandgap_read_counter(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_counter()  argument
343 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_read_counter()
344 	time = ti_bandgap_readl(bgp, tsr->bgap_counter);  in ti_bandgap_read_counter()
347 	time = time * 1000 / bgp->clk_rate;  in ti_bandgap_read_counter()
357 static void ti_bandgap_read_counter_delay(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_counter_delay()  argument
363 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_read_counter_delay()
365 	reg_val = ti_bandgap_readl(bgp, tsr->bgap_mask_ctrl);  in ti_bandgap_read_counter_delay()
388 		dev_warn(bgp->dev, "Wrong counter delay value read from register %X",  in ti_bandgap_read_counter_delay()
401 int ti_bandgap_read_update_interval(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_update_interval()  argument
406 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_read_update_interval()
410 	if (!TI_BANDGAP_HAS(bgp, COUNTER) &&  in ti_bandgap_read_update_interval()
411 	    !TI_BANDGAP_HAS(bgp, COUNTER_DELAY)) {  in ti_bandgap_read_update_interval()
416 	if (TI_BANDGAP_HAS(bgp, COUNTER)) {  in ti_bandgap_read_update_interval()
417 		ti_bandgap_read_counter(bgp, id, interval);  in ti_bandgap_read_update_interval()
421 	ti_bandgap_read_counter_delay(bgp, id, interval);  in ti_bandgap_read_update_interval()
434 static int ti_bandgap_write_counter_delay(struct ti_bandgap *bgp, int id,  in ti_bandgap_write_counter_delay()  argument
459 		dev_warn(bgp->dev, "Delay %d ms is not supported\n", interval);  in ti_bandgap_write_counter_delay()
463 	spin_lock(&bgp->lock);  in ti_bandgap_write_counter_delay()
464 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_counter_delay_mask, rval);  in ti_bandgap_write_counter_delay()
465 	spin_unlock(&bgp->lock);  in ti_bandgap_write_counter_delay()
476 static void ti_bandgap_write_counter(struct ti_bandgap *bgp, int id,  in ti_bandgap_write_counter()  argument
479 	interval = interval * bgp->clk_rate / 1000;  in ti_bandgap_write_counter()
480 	spin_lock(&bgp->lock);  in ti_bandgap_write_counter()
481 	RMW_BITS(bgp, id, bgap_counter, counter_mask, interval);  in ti_bandgap_write_counter()
482 	spin_unlock(&bgp->lock);  in ti_bandgap_write_counter()
493 int ti_bandgap_write_update_interval(struct ti_bandgap *bgp,  in ti_bandgap_write_update_interval()  argument
496 	int ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_write_update_interval()
500 	if (!TI_BANDGAP_HAS(bgp, COUNTER) &&  in ti_bandgap_write_update_interval()
501 	    !TI_BANDGAP_HAS(bgp, COUNTER_DELAY)) {  in ti_bandgap_write_update_interval()
506 	if (TI_BANDGAP_HAS(bgp, COUNTER)) {  in ti_bandgap_write_update_interval()
507 		ti_bandgap_write_counter(bgp, id, interval);  in ti_bandgap_write_update_interval()
511 	ret = ti_bandgap_write_counter_delay(bgp, id, interval);  in ti_bandgap_write_update_interval()
524 int ti_bandgap_read_temperature(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_temperature()  argument
530 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_read_temperature()
534 	if (!TI_BANDGAP_HAS(bgp, MODE_CONFIG)) {  in ti_bandgap_read_temperature()
535 		ret = ti_bandgap_force_single_read(bgp, id);  in ti_bandgap_read_temperature()
540 	spin_lock(&bgp->lock);  in ti_bandgap_read_temperature()
541 	temp = ti_bandgap_read_temp(bgp, id);  in ti_bandgap_read_temperature()
542 	spin_unlock(&bgp->lock);  in ti_bandgap_read_temperature()
544 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp, &temp);  in ti_bandgap_read_temperature()
562 int ti_bandgap_set_sensor_data(struct ti_bandgap *bgp, int id, void *data)  in ti_bandgap_set_sensor_data()  argument
564 	int ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_set_sensor_data()
568 	bgp->regval[id].data = data;  in ti_bandgap_set_sensor_data()
581 void *ti_bandgap_get_sensor_data(struct ti_bandgap *bgp, int id)  in ti_bandgap_get_sensor_data()  argument
583 	int ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_get_sensor_data()
587 	return bgp->regval[id].data;  in ti_bandgap_get_sensor_data()
603 ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id)  in ti_bandgap_force_single_read()  argument
609 	if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_force_single_read()
610 		RMW_BITS(bgp, id, bgap_mode_ctrl, mode_ctrl_mask, 0);  in ti_bandgap_force_single_read()
613 	RMW_BITS(bgp, id, temp_sensor_ctrl, bgap_soc_mask, 1);  in ti_bandgap_force_single_read()
616 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_force_single_read()
619 		if (ti_bandgap_readl(bgp, tsr->temp_sensor_ctrl) &  in ti_bandgap_force_single_read()
625 	RMW_BITS(bgp, id, temp_sensor_ctrl, bgap_soc_mask, 0);  in ti_bandgap_force_single_read()
630 		if (!(ti_bandgap_readl(bgp, tsr->temp_sensor_ctrl) &  in ti_bandgap_force_single_read()
649 static int ti_bandgap_set_continuous_mode(struct ti_bandgap *bgp)  in ti_bandgap_set_continuous_mode()  argument
653 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_set_continuous_mode()
655 		ti_bandgap_force_single_read(bgp, i);  in ti_bandgap_set_continuous_mode()
656 		RMW_BITS(bgp, i, bgap_mode_ctrl, mode_ctrl_mask, 1);  in ti_bandgap_set_continuous_mode()
677 int ti_bandgap_get_trend(struct ti_bandgap *bgp, int id, int *trend)  in ti_bandgap_get_trend()  argument
683 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_get_trend()
687 	if (!TI_BANDGAP_HAS(bgp, HISTORY_BUFFER) ||  in ti_bandgap_get_trend()
688 	    !TI_BANDGAP_HAS(bgp, FREEZE_BIT)) {  in ti_bandgap_get_trend()
693 	spin_lock(&bgp->lock);  in ti_bandgap_get_trend()
695 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_get_trend()
698 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 1);  in ti_bandgap_get_trend()
703 	temp1 = ti_bandgap_readl(bgp, reg1);  in ti_bandgap_get_trend()
706 	temp2 = ti_bandgap_readl(bgp, reg2);  in ti_bandgap_get_trend()
710 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp1, &t1);  in ti_bandgap_get_trend()
714 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp2, &t2);  in ti_bandgap_get_trend()
719 	ret = ti_bandgap_read_update_interval(bgp, id, &interval);  in ti_bandgap_get_trend()
729 	dev_dbg(bgp->dev, "The temperatures are t1 = %d and t2 = %d and trend =%d\n",  in ti_bandgap_get_trend()
733 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 0);  in ti_bandgap_get_trend()
734 	spin_unlock(&bgp->lock);  in ti_bandgap_get_trend()
753 static int ti_bandgap_tshut_init(struct ti_bandgap *bgp,  in ti_bandgap_tshut_init()  argument
758 	status = request_irq(gpiod_to_irq(bgp->tshut_gpiod),  in ti_bandgap_tshut_init()
762 		dev_err(bgp->dev, "request irq failed for TSHUT");  in ti_bandgap_tshut_init()
780 static int ti_bandgap_talert_init(struct ti_bandgap *bgp,  in ti_bandgap_talert_init()  argument
785 	bgp->irq = platform_get_irq(pdev, 0);  in ti_bandgap_talert_init()
786 	if (bgp->irq < 0)  in ti_bandgap_talert_init()
787 		return bgp->irq;  in ti_bandgap_talert_init()
789 	ret = request_threaded_irq(bgp->irq, NULL,  in ti_bandgap_talert_init()
792 				   "talert", bgp);  in ti_bandgap_talert_init()
817 	struct ti_bandgap *bgp;  in ti_bandgap_build()  local
827 	bgp = devm_kzalloc(&pdev->dev, sizeof(*bgp), GFP_KERNEL);  in ti_bandgap_build()
828 	if (!bgp)  in ti_bandgap_build()
833 		bgp->conf = of_id->data;  in ti_bandgap_build()
836 	bgp->regval = devm_kcalloc(&pdev->dev, bgp->conf->sensor_count,  in ti_bandgap_build()
837 				   sizeof(*bgp->regval), GFP_KERNEL);  in ti_bandgap_build()
838 	if (!bgp->regval)  in ti_bandgap_build()
850 			bgp->base = chunk;  in ti_bandgap_build()
857 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_build()
858 		bgp->tshut_gpiod = devm_gpiod_get(&pdev->dev, NULL, GPIOD_IN);  in ti_bandgap_build()
859 		if (IS_ERR(bgp->tshut_gpiod)) {  in ti_bandgap_build()
861 			return ERR_CAST(bgp->tshut_gpiod);  in ti_bandgap_build()
865 	return bgp;  in ti_bandgap_build()
884 	struct ti_bandgap *bgp;  in ti_bandgap_probe()  local
887 	bgp = ti_bandgap_build(pdev);  in ti_bandgap_probe()
888 	if (IS_ERR(bgp)) {  in ti_bandgap_probe()
890 		return PTR_ERR(bgp);  in ti_bandgap_probe()
892 	bgp->dev = &pdev->dev;  in ti_bandgap_probe()
894 	if (TI_BANDGAP_HAS(bgp, UNRELIABLE))  in ti_bandgap_probe()
898 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_probe()
899 		ret = ti_bandgap_tshut_init(bgp, pdev);  in ti_bandgap_probe()
907 	bgp->fclock = clk_get(NULL, bgp->conf->fclock_name);  in ti_bandgap_probe()
908 	if (IS_ERR(bgp->fclock)) {  in ti_bandgap_probe()
910 		ret = PTR_ERR(bgp->fclock);  in ti_bandgap_probe()
914 	bgp->div_clk = clk_get(NULL, bgp->conf->div_ck_name);  in ti_bandgap_probe()
915 	if (IS_ERR(bgp->div_clk)) {  in ti_bandgap_probe()
917 		ret = PTR_ERR(bgp->div_clk);  in ti_bandgap_probe()
921 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
925 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_probe()
931 		val = ti_bandgap_readl(bgp, tsr->bgap_efuse);  in ti_bandgap_probe()
937 	clk_rate = clk_round_rate(bgp->div_clk,  in ti_bandgap_probe()
938 				  bgp->conf->sensors[0].ts_data->max_freq);  in ti_bandgap_probe()
939 	if (clk_rate < bgp->conf->sensors[0].ts_data->min_freq ||  in ti_bandgap_probe()
946 	ret = clk_set_rate(bgp->div_clk, clk_rate);  in ti_bandgap_probe()
950 	bgp->clk_rate = clk_rate;  in ti_bandgap_probe()
951 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_probe()
952 		clk_prepare_enable(bgp->fclock);  in ti_bandgap_probe()
955 	spin_lock_init(&bgp->lock);  in ti_bandgap_probe()
956 	bgp->dev = &pdev->dev;  in ti_bandgap_probe()
957 	platform_set_drvdata(pdev, bgp);  in ti_bandgap_probe()
959 	ti_bandgap_power(bgp, true);  in ti_bandgap_probe()
962 	if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_probe()
963 		for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_probe()
964 			RMW_BITS(bgp, i, bgap_counter, counter_mask, 1);  in ti_bandgap_probe()
967 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
970 		ts_data = bgp->conf->sensors[i].ts_data;  in ti_bandgap_probe()
972 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_probe()
974 			RMW_BITS(bgp, i, bgap_threshold,  in ti_bandgap_probe()
976 			RMW_BITS(bgp, i, bgap_threshold,  in ti_bandgap_probe()
979 			RMW_BITS(bgp, i, bgap_mask_ctrl, mask_hot_mask, 1);  in ti_bandgap_probe()
980 			RMW_BITS(bgp, i, bgap_mask_ctrl, mask_cold_mask, 1);  in ti_bandgap_probe()
983 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG)) {  in ti_bandgap_probe()
985 			RMW_BITS(bgp, i, tshut_threshold,  in ti_bandgap_probe()
987 			RMW_BITS(bgp, i, tshut_threshold,  in ti_bandgap_probe()
992 	if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_probe()
993 		ti_bandgap_set_continuous_mode(bgp);  in ti_bandgap_probe()
996 	if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_probe()
997 		for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_probe()
998 			RMW_BITS(bgp, i, bgap_counter, counter_mask,  in ti_bandgap_probe()
999 				 bgp->clk_rate / 4);  in ti_bandgap_probe()
1002 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
1005 		if (bgp->conf->sensors[i].register_cooling) {  in ti_bandgap_probe()
1006 			ret = bgp->conf->sensors[i].register_cooling(bgp, i);  in ti_bandgap_probe()
1011 		if (bgp->conf->expose_sensor) {  in ti_bandgap_probe()
1012 			domain = bgp->conf->sensors[i].domain;  in ti_bandgap_probe()
1013 			ret = bgp->conf->expose_sensor(bgp, i, domain);  in ti_bandgap_probe()
1024 	if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_probe()
1025 		ret = ti_bandgap_talert_init(bgp, pdev);  in ti_bandgap_probe()
1028 			i = bgp->conf->sensor_count;  in ti_bandgap_probe()
1034 	bgp->nb.notifier_call = bandgap_omap_cpu_notifier;  in ti_bandgap_probe()
1036 		cpu_pm_register_notifier(&bgp->nb);  in ti_bandgap_probe()
1042 	if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_probe()
1043 		bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_probe()
1046 		if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_probe()
1047 			bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_probe()
1048 		if (bgp->conf->remove_sensor)  in ti_bandgap_probe()
1049 			bgp->conf->remove_sensor(bgp, i);  in ti_bandgap_probe()
1051 	ti_bandgap_power(bgp, false);  in ti_bandgap_probe()
1053 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_probe()
1054 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_probe()
1056 	clk_put(bgp->div_clk);  in ti_bandgap_probe()
1058 	clk_put(bgp->fclock);  in ti_bandgap_probe()
1060 	if (TI_BANDGAP_HAS(bgp, TSHUT))  in ti_bandgap_probe()
1061 		free_irq(gpiod_to_irq(bgp->tshut_gpiod), NULL);  in ti_bandgap_probe()
1069 	struct ti_bandgap *bgp = platform_get_drvdata(pdev);  in ti_bandgap_remove()  local
1073 		cpu_pm_unregister_notifier(&bgp->nb);  in ti_bandgap_remove()
1076 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_remove()
1077 		if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_remove()
1078 			bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_remove()
1080 		if (bgp->conf->remove_sensor)  in ti_bandgap_remove()
1081 			bgp->conf->remove_sensor(bgp, i);  in ti_bandgap_remove()
1084 	ti_bandgap_power(bgp, false);  in ti_bandgap_remove()
1086 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_remove()
1087 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_remove()
1088 	clk_put(bgp->fclock);  in ti_bandgap_remove()
1089 	clk_put(bgp->div_clk);  in ti_bandgap_remove()
1091 	if (TI_BANDGAP_HAS(bgp, TALERT))  in ti_bandgap_remove()
1092 		free_irq(bgp->irq, bgp);  in ti_bandgap_remove()
1094 	if (TI_BANDGAP_HAS(bgp, TSHUT))  in ti_bandgap_remove()
1095 		free_irq(gpiod_to_irq(bgp->tshut_gpiod), NULL);  in ti_bandgap_remove()
1101 static int ti_bandgap_save_ctxt(struct ti_bandgap *bgp)  in ti_bandgap_save_ctxt()  argument
1105 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_save_ctxt()
1109 		rval = &bgp->regval[i];  in ti_bandgap_save_ctxt()
1110 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_save_ctxt()
1112 		if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_save_ctxt()
1113 			rval->bg_mode_ctrl = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1115 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_save_ctxt()
1116 			rval->bg_counter = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1118 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_save_ctxt()
1119 			rval->bg_threshold = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1121 			rval->bg_ctrl = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1125 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG))  in ti_bandgap_save_ctxt()
1126 			rval->tshut_threshold = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1133 static int ti_bandgap_restore_ctxt(struct ti_bandgap *bgp)  in ti_bandgap_restore_ctxt()  argument
1137 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_restore_ctxt()
1142 		rval = &bgp->regval[i];  in ti_bandgap_restore_ctxt()
1143 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_restore_ctxt()
1145 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_restore_ctxt()
1146 			val = ti_bandgap_readl(bgp, tsr->bgap_counter);  in ti_bandgap_restore_ctxt()
1148 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG))  in ti_bandgap_restore_ctxt()
1149 			ti_bandgap_writel(bgp, rval->tshut_threshold,  in ti_bandgap_restore_ctxt()
1154 		ti_bandgap_force_single_read(bgp, i);  in ti_bandgap_restore_ctxt()
1156 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_restore_ctxt()
1157 			ti_bandgap_writel(bgp, rval->bg_counter,  in ti_bandgap_restore_ctxt()
1159 		if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_restore_ctxt()
1160 			ti_bandgap_writel(bgp, rval->bg_mode_ctrl,  in ti_bandgap_restore_ctxt()
1162 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_restore_ctxt()
1163 			ti_bandgap_writel(bgp, rval->bg_threshold,  in ti_bandgap_restore_ctxt()
1165 			ti_bandgap_writel(bgp, rval->bg_ctrl,  in ti_bandgap_restore_ctxt()
1175 	struct ti_bandgap *bgp = dev_get_drvdata(dev);  in ti_bandgap_suspend()  local
1178 	err = ti_bandgap_save_ctxt(bgp);  in ti_bandgap_suspend()
1179 	ti_bandgap_power(bgp, false);  in ti_bandgap_suspend()
1181 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_suspend()
1182 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_suspend()
1184 	bgp->is_suspended = true;  in ti_bandgap_suspend()
1192 	struct ti_bandgap *bgp;  in bandgap_omap_cpu_notifier()  local
1194 	bgp = container_of(nb, struct ti_bandgap, nb);  in bandgap_omap_cpu_notifier()
1196 	spin_lock(&bgp->lock);  in bandgap_omap_cpu_notifier()
1199 		if (bgp->is_suspended)  in bandgap_omap_cpu_notifier()
1201 		ti_bandgap_save_ctxt(bgp);  in bandgap_omap_cpu_notifier()
1202 		ti_bandgap_power(bgp, false);  in bandgap_omap_cpu_notifier()
1203 		if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in bandgap_omap_cpu_notifier()
1204 			clk_disable(bgp->fclock);  in bandgap_omap_cpu_notifier()
1208 		if (bgp->is_suspended)  in bandgap_omap_cpu_notifier()
1210 		if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in bandgap_omap_cpu_notifier()
1211 			clk_enable(bgp->fclock);  in bandgap_omap_cpu_notifier()
1212 		ti_bandgap_power(bgp, true);  in bandgap_omap_cpu_notifier()
1213 		ti_bandgap_restore_ctxt(bgp);  in bandgap_omap_cpu_notifier()
1216 	spin_unlock(&bgp->lock);  in bandgap_omap_cpu_notifier()
1223 	struct ti_bandgap *bgp = dev_get_drvdata(dev);  in ti_bandgap_resume()  local
1225 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_resume()
1226 		clk_prepare_enable(bgp->fclock);  in ti_bandgap_resume()
1228 	ti_bandgap_power(bgp, true);  in ti_bandgap_resume()
1229 	bgp->is_suspended = false;  in ti_bandgap_resume()
1231 	return ti_bandgap_restore_ctxt(bgp);  in ti_bandgap_resume()