46 static int ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id);
58 static u32 ti_bandgap_readl(struct ti_bandgap *bgp, u32 reg)  in ti_bandgap_readl()  argument
60 	return readl(bgp->base + reg);  in ti_bandgap_readl()
71 static void ti_bandgap_writel(struct ti_bandgap *bgp, u32 val, u32 reg)  in ti_bandgap_writel()  argument
73 	writel(val, bgp->base + reg);  in ti_bandgap_writel()
82 #define RMW_BITS(bgp, id, reg, mask, val)			\  argument
87 	t = bgp->conf->sensors[(id)].registers;		\
88 	r = ti_bandgap_readl(bgp, t->reg);			\
91 	ti_bandgap_writel(bgp, r, t->reg);			\
106 static int ti_bandgap_power(struct ti_bandgap *bgp, bool on)  in ti_bandgap_power()  argument
110 	if (!TI_BANDGAP_HAS(bgp, POWER_SWITCH))  in ti_bandgap_power()
113 	for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_power()
115 		RMW_BITS(bgp, i, temp_sensor_ctrl, bgap_tempsoff_mask, !on);  in ti_bandgap_power()
135 static u32 ti_errata814_bandgap_read_temp(struct ti_bandgap *bgp,  u32 reg)  in ti_errata814_bandgap_read_temp()  argument
139 	val1 = ti_bandgap_readl(bgp, reg);  in ti_errata814_bandgap_read_temp()
140 	val2 = ti_bandgap_readl(bgp, reg);  in ti_errata814_bandgap_read_temp()
147 	return ti_bandgap_readl(bgp, reg);  in ti_errata814_bandgap_read_temp()
162 static u32 ti_bandgap_read_temp(struct ti_bandgap *bgp, int id)  in ti_bandgap_read_temp()  argument
167 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_read_temp()
170 	if (TI_BANDGAP_HAS(bgp, FREEZE_BIT)) {  in ti_bandgap_read_temp()
171 		RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 1);  in ti_bandgap_read_temp()
180 	if (TI_BANDGAP_HAS(bgp, ERRATA_814))  in ti_bandgap_read_temp()
181 		temp = ti_errata814_bandgap_read_temp(bgp, reg);  in ti_bandgap_read_temp()
183 		temp = ti_bandgap_readl(bgp, reg);  in ti_bandgap_read_temp()
187 	if (TI_BANDGAP_HAS(bgp, FREEZE_BIT))  in ti_bandgap_read_temp()
188 		RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 0);  in ti_bandgap_read_temp()
210 	struct ti_bandgap *bgp = data;  in ti_bandgap_talert_irq_handler()  local
215 	spin_lock(&bgp->lock);  in ti_bandgap_talert_irq_handler()
216 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_talert_irq_handler()
217 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_talert_irq_handler()
218 		ctrl = ti_bandgap_readl(bgp, tsr->bgap_status);  in ti_bandgap_talert_irq_handler()
229 		ctrl = ti_bandgap_readl(bgp, tsr->bgap_mask_ctrl);  in ti_bandgap_talert_irq_handler()
243 		ti_bandgap_writel(bgp, ctrl, tsr->bgap_mask_ctrl);  in ti_bandgap_talert_irq_handler()
245 		dev_dbg(bgp->dev,  in ti_bandgap_talert_irq_handler()
247 			__func__, bgp->conf->sensors[i].domain,  in ti_bandgap_talert_irq_handler()
251 		if (bgp->conf->report_temperature)  in ti_bandgap_talert_irq_handler()
252 			bgp->conf->report_temperature(bgp, i);  in ti_bandgap_talert_irq_handler()
254 	spin_unlock(&bgp->lock);  in ti_bandgap_talert_irq_handler()
296 int ti_bandgap_adc_to_mcelsius(struct ti_bandgap *bgp, int adc_val, int *t)  in ti_bandgap_adc_to_mcelsius()  argument
298 	const struct ti_bandgap_data *conf = bgp->conf;  in ti_bandgap_adc_to_mcelsius()
304 	*t = bgp->conf->conv_table[adc_val - conf->adc_start_val];  in ti_bandgap_adc_to_mcelsius()
322 int ti_bandgap_mcelsius_to_adc(struct ti_bandgap *bgp, long temp, int *adc)  in ti_bandgap_mcelsius_to_adc()  argument
324 	const struct ti_bandgap_data *conf = bgp->conf;  in ti_bandgap_mcelsius_to_adc()
325 	const int *conv_table = bgp->conf->conv_table;  in ti_bandgap_mcelsius_to_adc()
359 int ti_bandgap_add_hyst(struct ti_bandgap *bgp, int adc_val, int hyst_val,  in ti_bandgap_add_hyst()  argument
368 	ret = ti_bandgap_adc_to_mcelsius(bgp, adc_val, &temp);  in ti_bandgap_add_hyst()
374 	ret = ti_bandgap_mcelsius_to_adc(bgp, temp, sum);  in ti_bandgap_add_hyst()
390 static void ti_bandgap_unmask_interrupts(struct ti_bandgap *bgp, int id,  in ti_bandgap_unmask_interrupts()  argument
397 	temp = ti_bandgap_read_temp(bgp, id);  in ti_bandgap_unmask_interrupts()
399 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_unmask_interrupts()
400 	reg_val = ti_bandgap_readl(bgp, tsr->bgap_mask_ctrl);  in ti_bandgap_unmask_interrupts()
411 	ti_bandgap_writel(bgp, reg_val, tsr->bgap_mask_ctrl);  in ti_bandgap_unmask_interrupts()
430 static int ti_bandgap_update_alert_threshold(struct ti_bandgap *bgp, int id,  in ti_bandgap_update_alert_threshold()  argument
433 	struct temp_sensor_data *ts_data = bgp->conf->sensors[id].ts_data;  in ti_bandgap_update_alert_threshold()
438 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_update_alert_threshold()
441 	thresh_val = ti_bandgap_readl(bgp, tsr->bgap_threshold);  in ti_bandgap_update_alert_threshold()
453 			err = ti_bandgap_add_hyst(bgp, t_hot,  in ti_bandgap_update_alert_threshold()
457 			err = ti_bandgap_add_hyst(bgp, t_cold,  in ti_bandgap_update_alert_threshold()
482 	if (TI_BANDGAP_HAS(bgp, ERRATA_813)) {  in ti_bandgap_update_alert_threshold()
484 		ctrl = ti_bandgap_readl(bgp, tsr->bgap_mask_ctrl);  in ti_bandgap_update_alert_threshold()
491 		ti_bandgap_writel(bgp, ctrl, tsr->bgap_mask_ctrl);  in ti_bandgap_update_alert_threshold()
495 	ti_bandgap_writel(bgp, reg_val, tsr->bgap_threshold);  in ti_bandgap_update_alert_threshold()
497 	if (TI_BANDGAP_HAS(bgp, ERRATA_813)) {  in ti_bandgap_update_alert_threshold()
499 		ctrl = ti_bandgap_readl(bgp, tsr->bgap_mask_ctrl);  in ti_bandgap_update_alert_threshold()
505 		ti_bandgap_writel(bgp, ctrl, tsr->bgap_mask_ctrl);  in ti_bandgap_update_alert_threshold()
509 		dev_err(bgp->dev, "failed to reprogram thot threshold\n");  in ti_bandgap_update_alert_threshold()
514 	ti_bandgap_unmask_interrupts(bgp, id, t_hot, t_cold);  in ti_bandgap_update_alert_threshold()
530 static inline int ti_bandgap_validate(struct ti_bandgap *bgp, int id)  in ti_bandgap_validate()  argument
532 	if (!bgp || IS_ERR(bgp)) {  in ti_bandgap_validate()
537 	if ((id < 0) || (id >= bgp->conf->sensor_count)) {  in ti_bandgap_validate()
538 		dev_err(bgp->dev, "%s: sensor id out of range (%d)\n",  in ti_bandgap_validate()
561 static int _ti_bandgap_write_threshold(struct ti_bandgap *bgp, int id, int val,  in _ti_bandgap_write_threshold()  argument
569 	ret = ti_bandgap_validate(bgp, id);  in _ti_bandgap_write_threshold()
573 	if (!TI_BANDGAP_HAS(bgp, TALERT))  in _ti_bandgap_write_threshold()
576 	ts_data = bgp->conf->sensors[id].ts_data;  in _ti_bandgap_write_threshold()
577 	tsr = bgp->conf->sensors[id].registers;  in _ti_bandgap_write_threshold()
589 	ret = ti_bandgap_mcelsius_to_adc(bgp, val, &adc_val);  in _ti_bandgap_write_threshold()
593 	spin_lock(&bgp->lock);  in _ti_bandgap_write_threshold()
594 	ret = ti_bandgap_update_alert_threshold(bgp, id, adc_val, hot);  in _ti_bandgap_write_threshold()
595 	spin_unlock(&bgp->lock);  in _ti_bandgap_write_threshold()
614 static int _ti_bandgap_read_threshold(struct ti_bandgap *bgp, int id,  in _ti_bandgap_read_threshold()  argument
621 	ret = ti_bandgap_validate(bgp, id);  in _ti_bandgap_read_threshold()
625 	if (!TI_BANDGAP_HAS(bgp, TALERT)) {  in _ti_bandgap_read_threshold()
630 	tsr = bgp->conf->sensors[id].registers;  in _ti_bandgap_read_threshold()
636 	temp = ti_bandgap_readl(bgp, tsr->bgap_threshold);  in _ti_bandgap_read_threshold()
638 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp, &temp);  in _ti_bandgap_read_threshold()
640 		dev_err(bgp->dev, "failed to read thot\n");  in _ti_bandgap_read_threshold()
661 int ti_bandgap_read_thot(struct ti_bandgap *bgp, int id, int *thot)  in ti_bandgap_read_thot()  argument
663 	return _ti_bandgap_read_threshold(bgp, id, thot, true);  in ti_bandgap_read_thot()
674 int ti_bandgap_write_thot(struct ti_bandgap *bgp, int id, int val)  in ti_bandgap_write_thot()  argument
676 	return _ti_bandgap_write_threshold(bgp, id, val, true);  in ti_bandgap_write_thot()
687 int ti_bandgap_read_tcold(struct ti_bandgap *bgp, int id, int *tcold)  in ti_bandgap_read_tcold()  argument
689 	return _ti_bandgap_read_threshold(bgp, id, tcold, false);  in ti_bandgap_read_tcold()
700 int ti_bandgap_write_tcold(struct ti_bandgap *bgp, int id, int val)  in ti_bandgap_write_tcold()  argument
702 	return _ti_bandgap_write_threshold(bgp, id, val, false);  in ti_bandgap_write_tcold()
711 static void ti_bandgap_read_counter(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_counter()  argument
717 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_read_counter()
718 	time = ti_bandgap_readl(bgp, tsr->bgap_counter);  in ti_bandgap_read_counter()
721 	time = time * 1000 / bgp->clk_rate;  in ti_bandgap_read_counter()
731 static void ti_bandgap_read_counter_delay(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_counter_delay()  argument
737 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_read_counter_delay()
739 	reg_val = ti_bandgap_readl(bgp, tsr->bgap_mask_ctrl);  in ti_bandgap_read_counter_delay()
762 		dev_warn(bgp->dev, "Wrong counter delay value read from register %X",  in ti_bandgap_read_counter_delay()
775 int ti_bandgap_read_update_interval(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_update_interval()  argument
780 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_read_update_interval()
784 	if (!TI_BANDGAP_HAS(bgp, COUNTER) &&  in ti_bandgap_read_update_interval()
785 	    !TI_BANDGAP_HAS(bgp, COUNTER_DELAY)) {  in ti_bandgap_read_update_interval()
790 	if (TI_BANDGAP_HAS(bgp, COUNTER)) {  in ti_bandgap_read_update_interval()
791 		ti_bandgap_read_counter(bgp, id, interval);  in ti_bandgap_read_update_interval()
795 	ti_bandgap_read_counter_delay(bgp, id, interval);  in ti_bandgap_read_update_interval()
808 static int ti_bandgap_write_counter_delay(struct ti_bandgap *bgp, int id,  in ti_bandgap_write_counter_delay()  argument
833 		dev_warn(bgp->dev, "Delay %d ms is not supported\n", interval);  in ti_bandgap_write_counter_delay()
837 	spin_lock(&bgp->lock);  in ti_bandgap_write_counter_delay()
838 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_counter_delay_mask, rval);  in ti_bandgap_write_counter_delay()
839 	spin_unlock(&bgp->lock);  in ti_bandgap_write_counter_delay()
850 static void ti_bandgap_write_counter(struct ti_bandgap *bgp, int id,  in ti_bandgap_write_counter()  argument
853 	interval = interval * bgp->clk_rate / 1000;  in ti_bandgap_write_counter()
854 	spin_lock(&bgp->lock);  in ti_bandgap_write_counter()
855 	RMW_BITS(bgp, id, bgap_counter, counter_mask, interval);  in ti_bandgap_write_counter()
856 	spin_unlock(&bgp->lock);  in ti_bandgap_write_counter()
867 int ti_bandgap_write_update_interval(struct ti_bandgap *bgp,  in ti_bandgap_write_update_interval()  argument
870 	int ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_write_update_interval()
874 	if (!TI_BANDGAP_HAS(bgp, COUNTER) &&  in ti_bandgap_write_update_interval()
875 	    !TI_BANDGAP_HAS(bgp, COUNTER_DELAY)) {  in ti_bandgap_write_update_interval()
880 	if (TI_BANDGAP_HAS(bgp, COUNTER)) {  in ti_bandgap_write_update_interval()
881 		ti_bandgap_write_counter(bgp, id, interval);  in ti_bandgap_write_update_interval()
885 	ret = ti_bandgap_write_counter_delay(bgp, id, interval);  in ti_bandgap_write_update_interval()
898 int ti_bandgap_read_temperature(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_temperature()  argument
904 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_read_temperature()
908 	if (!TI_BANDGAP_HAS(bgp, MODE_CONFIG)) {  in ti_bandgap_read_temperature()
909 		ret = ti_bandgap_force_single_read(bgp, id);  in ti_bandgap_read_temperature()
914 	spin_lock(&bgp->lock);  in ti_bandgap_read_temperature()
915 	temp = ti_bandgap_read_temp(bgp, id);  in ti_bandgap_read_temperature()
916 	spin_unlock(&bgp->lock);  in ti_bandgap_read_temperature()
918 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp, &temp);  in ti_bandgap_read_temperature()
936 int ti_bandgap_set_sensor_data(struct ti_bandgap *bgp, int id, void *data)  in ti_bandgap_set_sensor_data()  argument
938 	int ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_set_sensor_data()
942 	bgp->regval[id].data = data;  in ti_bandgap_set_sensor_data()
955 void *ti_bandgap_get_sensor_data(struct ti_bandgap *bgp, int id)  in ti_bandgap_get_sensor_data()  argument
957 	int ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_get_sensor_data()
961 	return bgp->regval[id].data;  in ti_bandgap_get_sensor_data()
977 ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id)  in ti_bandgap_force_single_read()  argument
983 	if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_force_single_read()
984 		RMW_BITS(bgp, id, bgap_mode_ctrl, mode_ctrl_mask, 0);  in ti_bandgap_force_single_read()
987 	RMW_BITS(bgp, id, temp_sensor_ctrl, bgap_soc_mask, 1);  in ti_bandgap_force_single_read()
990 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_force_single_read()
993 		if (ti_bandgap_readl(bgp, tsr->temp_sensor_ctrl) &  in ti_bandgap_force_single_read()
999 	RMW_BITS(bgp, id, temp_sensor_ctrl, bgap_soc_mask, 0);  in ti_bandgap_force_single_read()
1004 		if (!(ti_bandgap_readl(bgp, tsr->temp_sensor_ctrl) &  in ti_bandgap_force_single_read()
1023 static int ti_bandgap_set_continuous_mode(struct ti_bandgap *bgp)  in ti_bandgap_set_continuous_mode()  argument
1027 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_set_continuous_mode()
1029 		ti_bandgap_force_single_read(bgp, i);  in ti_bandgap_set_continuous_mode()
1030 		RMW_BITS(bgp, i, bgap_mode_ctrl, mode_ctrl_mask, 1);  in ti_bandgap_set_continuous_mode()
1051 int ti_bandgap_get_trend(struct ti_bandgap *bgp, int id, int *trend)  in ti_bandgap_get_trend()  argument
1057 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_get_trend()
1061 	if (!TI_BANDGAP_HAS(bgp, HISTORY_BUFFER) ||  in ti_bandgap_get_trend()
1062 	    !TI_BANDGAP_HAS(bgp, FREEZE_BIT)) {  in ti_bandgap_get_trend()
1067 	spin_lock(&bgp->lock);  in ti_bandgap_get_trend()
1069 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_get_trend()
1072 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 1);  in ti_bandgap_get_trend()
1077 	temp1 = ti_bandgap_readl(bgp, reg1);  in ti_bandgap_get_trend()
1080 	temp2 = ti_bandgap_readl(bgp, reg2);  in ti_bandgap_get_trend()
1084 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp1, &t1);  in ti_bandgap_get_trend()
1088 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp2, &t2);  in ti_bandgap_get_trend()
1093 	ret = ti_bandgap_read_update_interval(bgp, id, &interval);  in ti_bandgap_get_trend()
1103 	dev_dbg(bgp->dev, "The temperatures are t1 = %d and t2 = %d and trend =%d\n",  in ti_bandgap_get_trend()
1107 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 0);  in ti_bandgap_get_trend()
1108 	spin_unlock(&bgp->lock);  in ti_bandgap_get_trend()
1127 static int ti_bandgap_tshut_init(struct ti_bandgap *bgp,  in ti_bandgap_tshut_init()  argument
1130 	int gpio_nr = bgp->tshut_gpio;  in ti_bandgap_tshut_init()
1136 		dev_err(bgp->dev, "Could not request for TSHUT GPIO:%i\n", 86);  in ti_bandgap_tshut_init()
1141 		dev_err(bgp->dev, "Cannot set input TSHUT GPIO %d\n", gpio_nr);  in ti_bandgap_tshut_init()
1149 		dev_err(bgp->dev, "request irq failed for TSHUT");  in ti_bandgap_tshut_init()
1168 static int ti_bandgap_talert_init(struct ti_bandgap *bgp,  in ti_bandgap_talert_init()  argument
1173 	bgp->irq = platform_get_irq(pdev, 0);  in ti_bandgap_talert_init()
1174 	if (bgp->irq < 0) {  in ti_bandgap_talert_init()
1176 		return bgp->irq;  in ti_bandgap_talert_init()
1178 	ret = request_threaded_irq(bgp->irq, NULL,  in ti_bandgap_talert_init()
1181 				   "talert", bgp);  in ti_bandgap_talert_init()
1206 	struct ti_bandgap *bgp;  in ti_bandgap_build()  local
1216 	bgp = devm_kzalloc(&pdev->dev, sizeof(*bgp), GFP_KERNEL);  in ti_bandgap_build()
1217 	if (!bgp) {  in ti_bandgap_build()
1224 		bgp->conf = of_id->data;  in ti_bandgap_build()
1227 	bgp->regval = devm_kzalloc(&pdev->dev, sizeof(*bgp->regval) *  in ti_bandgap_build()
1228 				   bgp->conf->sensor_count, GFP_KERNEL);  in ti_bandgap_build()
1229 	if (!bgp->regval) {  in ti_bandgap_build()
1243 			bgp->base = chunk;  in ti_bandgap_build()
1250 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_build()
1251 		bgp->tshut_gpio = of_get_gpio(node, 0);  in ti_bandgap_build()
1252 		if (!gpio_is_valid(bgp->tshut_gpio)) {  in ti_bandgap_build()
1254 				bgp->tshut_gpio);  in ti_bandgap_build()
1259 	return bgp;  in ti_bandgap_build()
1267 	struct ti_bandgap *bgp;  in ti_bandgap_probe()  local
1270 	bgp = ti_bandgap_build(pdev);  in ti_bandgap_probe()
1271 	if (IS_ERR(bgp)) {  in ti_bandgap_probe()
1273 		return PTR_ERR(bgp);  in ti_bandgap_probe()
1275 	bgp->dev = &pdev->dev;  in ti_bandgap_probe()
1277 	if (TI_BANDGAP_HAS(bgp, UNRELIABLE))  in ti_bandgap_probe()
1281 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_probe()
1282 		ret = ti_bandgap_tshut_init(bgp, pdev);  in ti_bandgap_probe()
1290 	bgp->fclock = clk_get(NULL, bgp->conf->fclock_name);  in ti_bandgap_probe()
1291 	ret = IS_ERR(bgp->fclock);  in ti_bandgap_probe()
1294 		ret = PTR_ERR(bgp->fclock);  in ti_bandgap_probe()
1298 	bgp->div_clk = clk_get(NULL, bgp->conf->div_ck_name);  in ti_bandgap_probe()
1299 	ret = IS_ERR(bgp->div_clk);  in ti_bandgap_probe()
1302 		ret = PTR_ERR(bgp->div_clk);  in ti_bandgap_probe()
1306 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
1310 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_probe()
1316 		val = ti_bandgap_readl(bgp, tsr->bgap_efuse);  in ti_bandgap_probe()
1322 	clk_rate = clk_round_rate(bgp->div_clk,  in ti_bandgap_probe()
1323 				  bgp->conf->sensors[0].ts_data->max_freq);  in ti_bandgap_probe()
1324 	if (clk_rate < bgp->conf->sensors[0].ts_data->min_freq ||  in ti_bandgap_probe()
1331 	ret = clk_set_rate(bgp->div_clk, clk_rate);  in ti_bandgap_probe()
1335 	bgp->clk_rate = clk_rate;  in ti_bandgap_probe()
1336 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_probe()
1337 		clk_prepare_enable(bgp->fclock);  in ti_bandgap_probe()
1340 	spin_lock_init(&bgp->lock);  in ti_bandgap_probe()
1341 	bgp->dev = &pdev->dev;  in ti_bandgap_probe()
1342 	platform_set_drvdata(pdev, bgp);  in ti_bandgap_probe()
1344 	ti_bandgap_power(bgp, true);  in ti_bandgap_probe()
1347 	if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_probe()
1348 		for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_probe()
1349 			RMW_BITS(bgp, i, bgap_counter, counter_mask, 1);  in ti_bandgap_probe()
1352 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
1355 		ts_data = bgp->conf->sensors[i].ts_data;  in ti_bandgap_probe()
1357 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_probe()
1359 			RMW_BITS(bgp, i, bgap_threshold,  in ti_bandgap_probe()
1361 			RMW_BITS(bgp, i, bgap_threshold,  in ti_bandgap_probe()
1364 			RMW_BITS(bgp, i, bgap_mask_ctrl, mask_hot_mask, 1);  in ti_bandgap_probe()
1365 			RMW_BITS(bgp, i, bgap_mask_ctrl, mask_cold_mask, 1);  in ti_bandgap_probe()
1368 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG)) {  in ti_bandgap_probe()
1370 			RMW_BITS(bgp, i, tshut_threshold,  in ti_bandgap_probe()
1372 			RMW_BITS(bgp, i, tshut_threshold,  in ti_bandgap_probe()
1377 	if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_probe()
1378 		ti_bandgap_set_continuous_mode(bgp);  in ti_bandgap_probe()
1381 	if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_probe()
1382 		for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_probe()
1383 			RMW_BITS(bgp, i, bgap_counter, counter_mask,  in ti_bandgap_probe()
1384 				 bgp->clk_rate / 4);  in ti_bandgap_probe()
1387 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
1390 		if (bgp->conf->sensors[i].register_cooling) {  in ti_bandgap_probe()
1391 			ret = bgp->conf->sensors[i].register_cooling(bgp, i);  in ti_bandgap_probe()
1396 		if (bgp->conf->expose_sensor) {  in ti_bandgap_probe()
1397 			domain = bgp->conf->sensors[i].domain;  in ti_bandgap_probe()
1398 			ret = bgp->conf->expose_sensor(bgp, i, domain);  in ti_bandgap_probe()
1409 	if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_probe()
1410 		ret = ti_bandgap_talert_init(bgp, pdev);  in ti_bandgap_probe()
1413 			i = bgp->conf->sensor_count;  in ti_bandgap_probe()
1421 	if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_probe()
1422 		bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_probe()
1425 		if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_probe()
1426 			bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_probe()
1427 		if (bgp->conf->remove_sensor)  in ti_bandgap_probe()
1428 			bgp->conf->remove_sensor(bgp, i);  in ti_bandgap_probe()
1430 	ti_bandgap_power(bgp, false);  in ti_bandgap_probe()
1432 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_probe()
1433 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_probe()
1435 	clk_put(bgp->fclock);  in ti_bandgap_probe()
1436 	clk_put(bgp->div_clk);  in ti_bandgap_probe()
1438 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_probe()
1439 		free_irq(gpio_to_irq(bgp->tshut_gpio), NULL);  in ti_bandgap_probe()
1440 		gpio_free(bgp->tshut_gpio);  in ti_bandgap_probe()
1449 	struct ti_bandgap *bgp = platform_get_drvdata(pdev);  in ti_bandgap_remove()  local
1453 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_remove()
1454 		if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_remove()
1455 			bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_remove()
1457 		if (bgp->conf->remove_sensor)  in ti_bandgap_remove()
1458 			bgp->conf->remove_sensor(bgp, i);  in ti_bandgap_remove()
1461 	ti_bandgap_power(bgp, false);  in ti_bandgap_remove()
1463 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_remove()
1464 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_remove()
1465 	clk_put(bgp->fclock);  in ti_bandgap_remove()
1466 	clk_put(bgp->div_clk);  in ti_bandgap_remove()
1468 	if (TI_BANDGAP_HAS(bgp, TALERT))  in ti_bandgap_remove()
1469 		free_irq(bgp->irq, bgp);  in ti_bandgap_remove()
1471 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_remove()
1472 		free_irq(gpio_to_irq(bgp->tshut_gpio), NULL);  in ti_bandgap_remove()
1473 		gpio_free(bgp->tshut_gpio);  in ti_bandgap_remove()
1480 static int ti_bandgap_save_ctxt(struct ti_bandgap *bgp)  in ti_bandgap_save_ctxt()  argument
1484 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_save_ctxt()
1488 		rval = &bgp->regval[i];  in ti_bandgap_save_ctxt()
1489 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_save_ctxt()
1491 		if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_save_ctxt()
1492 			rval->bg_mode_ctrl = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1494 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_save_ctxt()
1495 			rval->bg_counter = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1497 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_save_ctxt()
1498 			rval->bg_threshold = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1500 			rval->bg_ctrl = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1504 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG))  in ti_bandgap_save_ctxt()
1505 			rval->tshut_threshold = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1512 static int ti_bandgap_restore_ctxt(struct ti_bandgap *bgp)  in ti_bandgap_restore_ctxt()  argument
1516 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_restore_ctxt()
1521 		rval = &bgp->regval[i];  in ti_bandgap_restore_ctxt()
1522 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_restore_ctxt()
1524 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_restore_ctxt()
1525 			val = ti_bandgap_readl(bgp, tsr->bgap_counter);  in ti_bandgap_restore_ctxt()
1527 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG))  in ti_bandgap_restore_ctxt()
1528 			ti_bandgap_writel(bgp, rval->tshut_threshold,  in ti_bandgap_restore_ctxt()
1533 		ti_bandgap_force_single_read(bgp, i);  in ti_bandgap_restore_ctxt()
1535 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_restore_ctxt()
1536 			ti_bandgap_writel(bgp, rval->bg_counter,  in ti_bandgap_restore_ctxt()
1538 		if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_restore_ctxt()
1539 			ti_bandgap_writel(bgp, rval->bg_mode_ctrl,  in ti_bandgap_restore_ctxt()
1541 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_restore_ctxt()
1542 			ti_bandgap_writel(bgp, rval->bg_threshold,  in ti_bandgap_restore_ctxt()
1544 			ti_bandgap_writel(bgp, rval->bg_ctrl,  in ti_bandgap_restore_ctxt()
1554 	struct ti_bandgap *bgp = dev_get_drvdata(dev);  in ti_bandgap_suspend()  local
1557 	err = ti_bandgap_save_ctxt(bgp);  in ti_bandgap_suspend()
1558 	ti_bandgap_power(bgp, false);  in ti_bandgap_suspend()
1560 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_suspend()
1561 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_suspend()
1568 	struct ti_bandgap *bgp = dev_get_drvdata(dev);  in ti_bandgap_resume()  local
1570 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_resume()
1571 		clk_prepare_enable(bgp->fclock);  in ti_bandgap_resume()
1573 	ti_bandgap_power(bgp, true);  in ti_bandgap_resume()
1575 	return ti_bandgap_restore_ctxt(bgp);  in ti_bandgap_resume()