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 (IS_ERR_OR_NULL(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
605 	struct temp_sensor_registers *tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_force_single_read()
606 	void __iomem *temp_sensor_ctrl = bgp->base + tsr->temp_sensor_ctrl;  in ti_bandgap_force_single_read()
611 	if (TI_BANDGAP_HAS(bgp, MODE_CONFIG)) {  in ti_bandgap_force_single_read()
612 		if (TI_BANDGAP_HAS(bgp, CONT_MODE_ONLY))  in ti_bandgap_force_single_read()
613 			RMW_BITS(bgp, id, bgap_mode_ctrl, mode_ctrl_mask, 1);  in ti_bandgap_force_single_read()
615 			RMW_BITS(bgp, id, bgap_mode_ctrl, mode_ctrl_mask, 0);  in ti_bandgap_force_single_read()
620 		RMW_BITS(bgp, id, temp_sensor_ctrl, bgap_soc_mask, 1);  in ti_bandgap_force_single_read()
627 			dev_warn(bgp->dev, "eocz timed out waiting high\n");  in ti_bandgap_force_single_read()
630 		RMW_BITS(bgp, id, temp_sensor_ctrl, bgap_soc_mask, 0);  in ti_bandgap_force_single_read()
638 		dev_warn(bgp->dev, "eocz timed out waiting low\n");  in ti_bandgap_force_single_read()
654 static int ti_bandgap_set_continuous_mode(struct ti_bandgap *bgp)  in ti_bandgap_set_continuous_mode()  argument
658 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_set_continuous_mode()
660 		ti_bandgap_force_single_read(bgp, i);  in ti_bandgap_set_continuous_mode()
661 		RMW_BITS(bgp, i, bgap_mode_ctrl, mode_ctrl_mask, 1);  in ti_bandgap_set_continuous_mode()
682 int ti_bandgap_get_trend(struct ti_bandgap *bgp, int id, int *trend)  in ti_bandgap_get_trend()  argument
688 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_get_trend()
692 	if (!TI_BANDGAP_HAS(bgp, HISTORY_BUFFER) ||  in ti_bandgap_get_trend()
693 	    !TI_BANDGAP_HAS(bgp, FREEZE_BIT)) {  in ti_bandgap_get_trend()
698 	spin_lock(&bgp->lock);  in ti_bandgap_get_trend()
700 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_get_trend()
703 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 1);  in ti_bandgap_get_trend()
708 	temp1 = ti_bandgap_readl(bgp, reg1);  in ti_bandgap_get_trend()
711 	temp2 = ti_bandgap_readl(bgp, reg2);  in ti_bandgap_get_trend()
715 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp1, &t1);  in ti_bandgap_get_trend()
719 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp2, &t2);  in ti_bandgap_get_trend()
724 	ret = ti_bandgap_read_update_interval(bgp, id, &interval);  in ti_bandgap_get_trend()
734 	dev_dbg(bgp->dev, "The temperatures are t1 = %d and t2 = %d and trend =%d\n",  in ti_bandgap_get_trend()
738 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 0);  in ti_bandgap_get_trend()
739 	spin_unlock(&bgp->lock);  in ti_bandgap_get_trend()
758 static int ti_bandgap_tshut_init(struct ti_bandgap *bgp,  in ti_bandgap_tshut_init()  argument
763 	status = request_irq(gpiod_to_irq(bgp->tshut_gpiod),  in ti_bandgap_tshut_init()
767 		dev_err(bgp->dev, "request irq failed for TSHUT");  in ti_bandgap_tshut_init()
785 static int ti_bandgap_talert_init(struct ti_bandgap *bgp,  in ti_bandgap_talert_init()  argument
790 	bgp->irq = platform_get_irq(pdev, 0);  in ti_bandgap_talert_init()
791 	if (bgp->irq < 0)  in ti_bandgap_talert_init()
792 		return bgp->irq;  in ti_bandgap_talert_init()
794 	ret = request_threaded_irq(bgp->irq, NULL,  in ti_bandgap_talert_init()
797 				   "talert", bgp);  in ti_bandgap_talert_init()
822 	struct ti_bandgap *bgp;  in ti_bandgap_build()  local
832 	bgp = devm_kzalloc(&pdev->dev, sizeof(*bgp), GFP_KERNEL);  in ti_bandgap_build()
833 	if (!bgp)  in ti_bandgap_build()
838 		bgp->conf = of_id->data;  in ti_bandgap_build()
841 	bgp->regval = devm_kcalloc(&pdev->dev, bgp->conf->sensor_count,  in ti_bandgap_build()
842 				   sizeof(*bgp->regval), GFP_KERNEL);  in ti_bandgap_build()
843 	if (!bgp->regval)  in ti_bandgap_build()
855 			bgp->base = chunk;  in ti_bandgap_build()
862 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_build()
863 		bgp->tshut_gpiod = devm_gpiod_get(&pdev->dev, NULL, GPIOD_IN);  in ti_bandgap_build()
864 		if (IS_ERR(bgp->tshut_gpiod)) {  in ti_bandgap_build()
866 			return ERR_CAST(bgp->tshut_gpiod);  in ti_bandgap_build()
870 	return bgp;  in ti_bandgap_build()
889 	struct ti_bandgap *bgp;  in ti_bandgap_probe()  local
892 	bgp = ti_bandgap_build(pdev);  in ti_bandgap_probe()
893 	if (IS_ERR(bgp)) {  in ti_bandgap_probe()
895 		return PTR_ERR(bgp);  in ti_bandgap_probe()
897 	bgp->dev = &pdev->dev;  in ti_bandgap_probe()
899 	if (TI_BANDGAP_HAS(bgp, UNRELIABLE))  in ti_bandgap_probe()
903 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_probe()
904 		ret = ti_bandgap_tshut_init(bgp, pdev);  in ti_bandgap_probe()
912 	bgp->fclock = clk_get(NULL, bgp->conf->fclock_name);  in ti_bandgap_probe()
913 	if (IS_ERR(bgp->fclock)) {  in ti_bandgap_probe()
915 		ret = PTR_ERR(bgp->fclock);  in ti_bandgap_probe()
919 	bgp->div_clk = clk_get(NULL, bgp->conf->div_ck_name);  in ti_bandgap_probe()
920 	if (IS_ERR(bgp->div_clk)) {  in ti_bandgap_probe()
922 		ret = PTR_ERR(bgp->div_clk);  in ti_bandgap_probe()
926 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
930 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_probe()
936 		val = ti_bandgap_readl(bgp, tsr->bgap_efuse);  in ti_bandgap_probe()
942 	clk_rate = clk_round_rate(bgp->div_clk,  in ti_bandgap_probe()
943 				  bgp->conf->sensors[0].ts_data->max_freq);  in ti_bandgap_probe()
944 	if (clk_rate < bgp->conf->sensors[0].ts_data->min_freq ||  in ti_bandgap_probe()
951 	ret = clk_set_rate(bgp->div_clk, clk_rate);  in ti_bandgap_probe()
955 	bgp->clk_rate = clk_rate;  in ti_bandgap_probe()
956 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_probe()
957 		clk_prepare_enable(bgp->fclock);  in ti_bandgap_probe()
960 	spin_lock_init(&bgp->lock);  in ti_bandgap_probe()
961 	bgp->dev = &pdev->dev;  in ti_bandgap_probe()
962 	platform_set_drvdata(pdev, bgp);  in ti_bandgap_probe()
964 	ti_bandgap_power(bgp, true);  in ti_bandgap_probe()
967 	if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_probe()
968 		for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_probe()
969 			RMW_BITS(bgp, i, bgap_counter, counter_mask, 1);  in ti_bandgap_probe()
972 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
975 		ts_data = bgp->conf->sensors[i].ts_data;  in ti_bandgap_probe()
977 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_probe()
979 			RMW_BITS(bgp, i, bgap_threshold,  in ti_bandgap_probe()
981 			RMW_BITS(bgp, i, bgap_threshold,  in ti_bandgap_probe()
984 			RMW_BITS(bgp, i, bgap_mask_ctrl, mask_hot_mask, 1);  in ti_bandgap_probe()
985 			RMW_BITS(bgp, i, bgap_mask_ctrl, mask_cold_mask, 1);  in ti_bandgap_probe()
988 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG)) {  in ti_bandgap_probe()
990 			RMW_BITS(bgp, i, tshut_threshold,  in ti_bandgap_probe()
992 			RMW_BITS(bgp, i, tshut_threshold,  in ti_bandgap_probe()
997 	if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_probe()
998 		ti_bandgap_set_continuous_mode(bgp);  in ti_bandgap_probe()
1001 	if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_probe()
1002 		for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_probe()
1003 			RMW_BITS(bgp, i, bgap_counter, counter_mask,  in ti_bandgap_probe()
1004 				 bgp->clk_rate / 4);  in ti_bandgap_probe()
1007 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
1010 		if (bgp->conf->sensors[i].register_cooling) {  in ti_bandgap_probe()
1011 			ret = bgp->conf->sensors[i].register_cooling(bgp, i);  in ti_bandgap_probe()
1016 		if (bgp->conf->expose_sensor) {  in ti_bandgap_probe()
1017 			domain = bgp->conf->sensors[i].domain;  in ti_bandgap_probe()
1018 			ret = bgp->conf->expose_sensor(bgp, i, domain);  in ti_bandgap_probe()
1029 	if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_probe()
1030 		ret = ti_bandgap_talert_init(bgp, pdev);  in ti_bandgap_probe()
1033 			i = bgp->conf->sensor_count;  in ti_bandgap_probe()
1039 	bgp->nb.notifier_call = bandgap_omap_cpu_notifier;  in ti_bandgap_probe()
1041 		cpu_pm_register_notifier(&bgp->nb);  in ti_bandgap_probe()
1047 	if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_probe()
1048 		bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_probe()
1051 		if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_probe()
1052 			bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_probe()
1053 		if (bgp->conf->remove_sensor)  in ti_bandgap_probe()
1054 			bgp->conf->remove_sensor(bgp, i);  in ti_bandgap_probe()
1056 	ti_bandgap_power(bgp, false);  in ti_bandgap_probe()
1058 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_probe()
1059 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_probe()
1061 	clk_put(bgp->div_clk);  in ti_bandgap_probe()
1063 	clk_put(bgp->fclock);  in ti_bandgap_probe()
1065 	if (TI_BANDGAP_HAS(bgp, TSHUT))  in ti_bandgap_probe()
1066 		free_irq(gpiod_to_irq(bgp->tshut_gpiod), NULL);  in ti_bandgap_probe()
1074 	struct ti_bandgap *bgp = platform_get_drvdata(pdev);  in ti_bandgap_remove()  local
1078 		cpu_pm_unregister_notifier(&bgp->nb);  in ti_bandgap_remove()
1081 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_remove()
1082 		if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_remove()
1083 			bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_remove()
1085 		if (bgp->conf->remove_sensor)  in ti_bandgap_remove()
1086 			bgp->conf->remove_sensor(bgp, i);  in ti_bandgap_remove()
1089 	ti_bandgap_power(bgp, false);  in ti_bandgap_remove()
1091 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_remove()
1092 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_remove()
1093 	clk_put(bgp->fclock);  in ti_bandgap_remove()
1094 	clk_put(bgp->div_clk);  in ti_bandgap_remove()
1096 	if (TI_BANDGAP_HAS(bgp, TALERT))  in ti_bandgap_remove()
1097 		free_irq(bgp->irq, bgp);  in ti_bandgap_remove()
1099 	if (TI_BANDGAP_HAS(bgp, TSHUT))  in ti_bandgap_remove()
1100 		free_irq(gpiod_to_irq(bgp->tshut_gpiod), NULL);  in ti_bandgap_remove()
1106 static int ti_bandgap_save_ctxt(struct ti_bandgap *bgp)  in ti_bandgap_save_ctxt()  argument
1110 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_save_ctxt()
1114 		rval = &bgp->regval[i];  in ti_bandgap_save_ctxt()
1115 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_save_ctxt()
1117 		if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_save_ctxt()
1118 			rval->bg_mode_ctrl = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1120 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_save_ctxt()
1121 			rval->bg_counter = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1123 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_save_ctxt()
1124 			rval->bg_threshold = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1126 			rval->bg_ctrl = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1130 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG))  in ti_bandgap_save_ctxt()
1131 			rval->tshut_threshold = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1138 static int ti_bandgap_restore_ctxt(struct ti_bandgap *bgp)  in ti_bandgap_restore_ctxt()  argument
1142 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_restore_ctxt()
1146 		rval = &bgp->regval[i];  in ti_bandgap_restore_ctxt()
1147 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_restore_ctxt()
1149 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG))  in ti_bandgap_restore_ctxt()
1150 			ti_bandgap_writel(bgp, rval->tshut_threshold,  in ti_bandgap_restore_ctxt()
1155 		ti_bandgap_force_single_read(bgp, i);  in ti_bandgap_restore_ctxt()
1157 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_restore_ctxt()
1158 			ti_bandgap_writel(bgp, rval->bg_counter,  in ti_bandgap_restore_ctxt()
1160 		if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_restore_ctxt()
1161 			ti_bandgap_writel(bgp, rval->bg_mode_ctrl,  in ti_bandgap_restore_ctxt()
1163 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_restore_ctxt()
1164 			ti_bandgap_writel(bgp, rval->bg_threshold,  in ti_bandgap_restore_ctxt()
1166 			ti_bandgap_writel(bgp, rval->bg_ctrl,  in ti_bandgap_restore_ctxt()
1176 	struct ti_bandgap *bgp = dev_get_drvdata(dev);  in ti_bandgap_suspend()  local
1179 	err = ti_bandgap_save_ctxt(bgp);  in ti_bandgap_suspend()
1180 	ti_bandgap_power(bgp, false);  in ti_bandgap_suspend()
1182 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_suspend()
1183 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_suspend()
1185 	bgp->is_suspended = true;  in ti_bandgap_suspend()
1193 	struct ti_bandgap *bgp;  in bandgap_omap_cpu_notifier()  local
1195 	bgp = container_of(nb, struct ti_bandgap, nb);  in bandgap_omap_cpu_notifier()
1197 	spin_lock(&bgp->lock);  in bandgap_omap_cpu_notifier()
1200 		if (bgp->is_suspended)  in bandgap_omap_cpu_notifier()
1202 		ti_bandgap_save_ctxt(bgp);  in bandgap_omap_cpu_notifier()
1203 		ti_bandgap_power(bgp, false);  in bandgap_omap_cpu_notifier()
1204 		if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in bandgap_omap_cpu_notifier()
1205 			clk_disable(bgp->fclock);  in bandgap_omap_cpu_notifier()
1209 		if (bgp->is_suspended)  in bandgap_omap_cpu_notifier()
1211 		if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in bandgap_omap_cpu_notifier()
1212 			clk_enable(bgp->fclock);  in bandgap_omap_cpu_notifier()
1213 		ti_bandgap_power(bgp, true);  in bandgap_omap_cpu_notifier()
1214 		ti_bandgap_restore_ctxt(bgp);  in bandgap_omap_cpu_notifier()
1217 	spin_unlock(&bgp->lock);  in bandgap_omap_cpu_notifier()
1224 	struct ti_bandgap *bgp = dev_get_drvdata(dev);  in ti_bandgap_resume()  local
1226 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_resume()
1227 		clk_prepare_enable(bgp->fclock);  in ti_bandgap_resume()
1229 	ti_bandgap_power(bgp, true);  in ti_bandgap_resume()
1230 	bgp->is_suspended = false;  in ti_bandgap_resume()
1232 	return ti_bandgap_restore_ctxt(bgp);  in ti_bandgap_resume()