[deliverable/linux.git] / drivers / staging / ti-soc-thermal / ti-thermal-common.c

/*
 * OMAP thermal driver interface
 *
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
 * Contact:
 *   Eduardo Valentin <eduardo.valentin@ti.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/device.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/gfp.h>
#include <linux/kernel.h>
#include <linux/workqueue.h>
#include <linux/thermal.h>
#include <linux/cpufreq.h>
#include <linux/cpumask.h>
#include <linux/cpu_cooling.h>

#include "ti-thermal.h"
#include "ti-bandgap.h"

/* common data structures */
struct ti_thermal_data {
	struct thermal_zone_device *ti_thermal;
	struct thermal_cooling_device *cool_dev;
	struct ti_bandgap *bgp;
	enum thermal_device_mode mode;
	struct work_struct thermal_wq;
	int sensor_id;
};

static void ti_thermal_work(struct work_struct *work)
{
	struct ti_thermal_data *data = container_of(work,
					struct ti_thermal_data, thermal_wq);

	thermal_zone_device_update(data->ti_thermal);

	dev_dbg(&data->ti_thermal->device, "updated thermal zone %s\n",
		data->ti_thermal->type);
}

/**
 * ti_thermal_hotspot_temperature - returns sensor extrapolated temperature
 * @t:	omap sensor temperature
 * @s:	omap sensor slope value
 * @c:	omap sensor const value
 */
static inline int ti_thermal_hotspot_temperature(int t, int s, int c)
{
	int delta = t * s / 1000 + c;

	if (delta < 0)
		delta = 0;

	return t + delta;
}

/* thermal zone ops */
/* Get temperature callback function for thermal zone*/
static inline int ti_thermal_get_temp(struct thermal_zone_device *thermal,
				      unsigned long *temp)
{
	struct ti_thermal_data *data = thermal->devdata;
	struct ti_bandgap *bgp;
	const struct ti_temp_sensor *s;
	int ret, tmp, pcb_temp, slope, constant;

	if (!data)
		return 0;

	bgp = data->bgp;
	s = &bgp->conf->sensors[data->sensor_id];

	ret = ti_bandgap_read_temperature(bgp, data->sensor_id, &tmp);
	if (ret)
		return ret;

	pcb_temp = 0;
	/* TODO: Introduce pcb temperature lookup */
	/* In case pcb zone is available, use the extrapolation rule with it */
	if (pcb_temp) {
		tmp -= pcb_temp;
		slope = s->slope_pcb;
		constant = s->constant_pcb;
	} else {
		slope = s->slope;
		constant = s->constant;
	}
	*temp = ti_thermal_hotspot_temperature(tmp, slope, constant);

	return ret;
}

/* Bind callback functions for thermal zone */
static int ti_thermal_bind(struct thermal_zone_device *thermal,
			   struct thermal_cooling_device *cdev)
{
	struct ti_thermal_data *data = thermal->devdata;
	int id;

	if (IS_ERR_OR_NULL(data))
		return -ENODEV;

	/* check if this is the cooling device we registered */
	if (data->cool_dev != cdev)
		return 0;

	id = data->sensor_id;

	/* TODO: bind with min and max states */
	/* Simple thing, two trips, one passive another critical */
	return thermal_zone_bind_cooling_device(thermal, 0, cdev,
						THERMAL_NO_LIMIT,
						THERMAL_NO_LIMIT);
}

/* Unbind callback functions for thermal zone */
static int ti_thermal_unbind(struct thermal_zone_device *thermal,
			     struct thermal_cooling_device *cdev)
{
	struct ti_thermal_data *data = thermal->devdata;

	if (IS_ERR_OR_NULL(data))
		return -ENODEV;

	/* check if this is the cooling device we registered */
	if (data->cool_dev != cdev)
		return 0;

	/* Simple thing, two trips, one passive another critical */
	return thermal_zone_unbind_cooling_device(thermal, 0, cdev);
}

/* Get mode callback functions for thermal zone */
static int ti_thermal_get_mode(struct thermal_zone_device *thermal,
			       enum thermal_device_mode *mode)
{
	struct ti_thermal_data *data = thermal->devdata;

	if (data)
		*mode = data->mode;

	return 0;
}

/* Set mode callback functions for thermal zone */
static int ti_thermal_set_mode(struct thermal_zone_device *thermal,
			       enum thermal_device_mode mode)
{
	struct ti_thermal_data *data = thermal->devdata;

	if (!data->ti_thermal) {
		dev_notice(&thermal->device, "thermal zone not registered\n");
		return 0;
	}

	mutex_lock(&data->ti_thermal->lock);

	if (mode == THERMAL_DEVICE_ENABLED)
		data->ti_thermal->polling_delay = FAST_TEMP_MONITORING_RATE;
	else
		data->ti_thermal->polling_delay = 0;

	mutex_unlock(&data->ti_thermal->lock);

	data->mode = mode;
	thermal_zone_device_update(data->ti_thermal);
	dev_dbg(&thermal->device, "thermal polling set for duration=%d msec\n",
		data->ti_thermal->polling_delay);

	return 0;
}

/* Get trip type callback functions for thermal zone */
static int ti_thermal_get_trip_type(struct thermal_zone_device *thermal,
				    int trip, enum thermal_trip_type *type)
{
	if (!ti_thermal_is_valid_trip(trip))
		return -EINVAL;

	if (trip + 1 == OMAP_TRIP_NUMBER)
		*type = THERMAL_TRIP_CRITICAL;
	else
		*type = THERMAL_TRIP_PASSIVE;

	return 0;
}

/* Get trip temperature callback functions for thermal zone */
static int ti_thermal_get_trip_temp(struct thermal_zone_device *thermal,
				    int trip, unsigned long *temp)
{
	if (!ti_thermal_is_valid_trip(trip))
		return -EINVAL;

	*temp = ti_thermal_get_trip_value(trip);

	return 0;
}

/* Get the temperature trend callback functions for thermal zone */
static int ti_thermal_get_trend(struct thermal_zone_device *thermal,
				int trip, enum thermal_trend *trend)
{
	struct ti_thermal_data *data = thermal->devdata;
	struct ti_bandgap *bgp;
	int id, tr, ret = 0;

	bgp = data->bgp;
	id = data->sensor_id;

	ret = ti_bandgap_get_trend(bgp, id, &tr);
	if (ret)
		return ret;

	if (tr > 0)
		*trend = THERMAL_TREND_RAISING;
	else if (tr < 0)
		*trend = THERMAL_TREND_DROPPING;
	else
		*trend = THERMAL_TREND_STABLE;

	return 0;
}

/* Get critical temperature callback functions for thermal zone */
static int ti_thermal_get_crit_temp(struct thermal_zone_device *thermal,
				    unsigned long *temp)
{
	/* shutdown zone */
	return ti_thermal_get_trip_temp(thermal, OMAP_TRIP_NUMBER - 1, temp);
}

static struct thermal_zone_device_ops ti_thermal_ops = {
	.get_temp = ti_thermal_get_temp,
	.get_trend = ti_thermal_get_trend,
	.bind = ti_thermal_bind,
	.unbind = ti_thermal_unbind,
	.get_mode = ti_thermal_get_mode,
	.set_mode = ti_thermal_set_mode,
	.get_trip_type = ti_thermal_get_trip_type,
	.get_trip_temp = ti_thermal_get_trip_temp,
	.get_crit_temp = ti_thermal_get_crit_temp,
};

static struct ti_thermal_data
*ti_thermal_build_data(struct ti_bandgap *bgp, int id)
{
	struct ti_thermal_data *data;

	data = devm_kzalloc(bgp->dev, sizeof(*data), GFP_KERNEL);
	if (!data) {
		dev_err(bgp->dev, "kzalloc fail\n");
		return NULL;
	}
	data->sensor_id = id;
	data->bgp = bgp;
	data->mode = THERMAL_DEVICE_ENABLED;
	INIT_WORK(&data->thermal_wq, ti_thermal_work);

	return data;
}

int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id,
			     char *domain)
{
	struct ti_thermal_data *data;

	data = ti_bandgap_get_sensor_data(bgp, id);

	if (IS_ERR_OR_NULL(data))
		data = ti_thermal_build_data(bgp, id);

	if (!data)
		return -EINVAL;

	/* TODO: remove TC1 TC2 */
	/* Create thermal zone */
	data->ti_thermal = thermal_zone_device_register(domain,
				OMAP_TRIP_NUMBER, 0, data, &ti_thermal_ops,
				NULL, FAST_TEMP_MONITORING_RATE,
				FAST_TEMP_MONITORING_RATE);
	if (IS_ERR_OR_NULL(data->ti_thermal)) {
		dev_err(bgp->dev, "thermal zone device is NULL\n");
		return PTR_ERR(data->ti_thermal);
	}
	data->ti_thermal->polling_delay = FAST_TEMP_MONITORING_RATE;
	ti_bandgap_set_sensor_data(bgp, id, data);

	return 0;
}

int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id)
{
	struct ti_thermal_data *data;

	data = ti_bandgap_get_sensor_data(bgp, id);

	thermal_zone_device_unregister(data->ti_thermal);

	return 0;
}

int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id)
{
	struct ti_thermal_data *data;

	data = ti_bandgap_get_sensor_data(bgp, id);

	schedule_work(&data->thermal_wq);

	return 0;
}

int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id)
{
	struct ti_thermal_data *data;

	data = ti_bandgap_get_sensor_data(bgp, id);
	if (IS_ERR_OR_NULL(data))
		data = ti_thermal_build_data(bgp, id);

	if (!data)
		return -EINVAL;

	/* Register cooling device */
	data->cool_dev = cpufreq_cooling_register(cpu_present_mask);
	if (IS_ERR_OR_NULL(data->cool_dev)) {
		dev_err(bgp->dev,
			"Failed to register cpufreq cooling device\n");
		return PTR_ERR(data->cool_dev);
	}
	ti_bandgap_set_sensor_data(bgp, id, data);

	return 0;
}

int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id)
{
	struct ti_thermal_data *data;

	data = ti_bandgap_get_sensor_data(bgp, id);
	cpufreq_cooling_unregister(data->cool_dev);

	return 0;
}
Commit	Line	Data
445eaf87 EV	1	/*
	2	* OMAP thermal driver interface
	3	*
	4	* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
	5	* Contact:
	6	* Eduardo Valentin <eduardo.valentin@ti.com>
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License
	10	* version 2 as published by the Free Software Foundation.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	20	* 02110-1301 USA
	21	*
	22	*/
	23
	24	#include <linux/device.h>
	25	#include <linux/err.h>
	26	#include <linux/mutex.h>
	27	#include <linux/gfp.h>
	28	#include <linux/kernel.h>
	29	#include <linux/workqueue.h>
	30	#include <linux/thermal.h>
	31	#include <linux/cpufreq.h>
5035d48d	32	#include <linux/cpumask.h>
445eaf87 EV	33	#include <linux/cpu_cooling.h>
445eaf87 EV	34
7372add4 EV	35	#include "ti-thermal.h"
7372add4 EV	36	#include "ti-bandgap.h"
445eaf87 EV	37
445eaf87 EV	38	/* common data structures */
03e859d3 EV	39	struct ti_thermal_data {
03e859d3 EV	40	struct thermal_zone_device *ti_thermal;
445eaf87	41	struct thermal_cooling_device *cool_dev;
03e859d3	42	struct ti_bandgap *bgp;
445eaf87 EV	43	enum thermal_device_mode mode;
	44	struct work_struct thermal_wq;
	45	int sensor_id;
	46	};
	47
03e859d3	48	static void ti_thermal_work(struct work_struct *work)
445eaf87	49	{
03e859d3 EV	50	struct ti_thermal_data *data = container_of(work,
03e859d3 EV	51	struct ti_thermal_data, thermal_wq);
445eaf87	52
03e859d3	53	thermal_zone_device_update(data->ti_thermal);
445eaf87	54
03e859d3 EV	55	dev_dbg(&data->ti_thermal->device, "updated thermal zone %s\n",
03e859d3 EV	56	data->ti_thermal->type);
445eaf87 EV	57	}
	58
	59	/**
03e859d3	60	* ti_thermal_hotspot_temperature - returns sensor extrapolated temperature
445eaf87 EV	61	* @t: omap sensor temperature
	62	* @s: omap sensor slope value
	63	* @c: omap sensor const value
	64	*/
03e859d3	65	static inline int ti_thermal_hotspot_temperature(int t, int s, int c)
445eaf87 EV	66	{
	67	int delta = t * s / 1000 + c;
	68
	69	if (delta < 0)
	70	delta = 0;
	71
	72	return t + delta;
	73	}
	74
	75	/* thermal zone ops */
	76	/* Get temperature callback function for thermal zone*/
03e859d3 EV	77	static inline int ti_thermal_get_temp(struct thermal_zone_device *thermal,
03e859d3 EV	78	unsigned long *temp)
445eaf87	79	{
03e859d3 EV	80	struct ti_thermal_data *data = thermal->devdata;
03e859d3 EV	81	struct ti_bandgap *bgp;
9879b2c4	82	const struct ti_temp_sensor *s;
445eaf87 EV	83	int ret, tmp, pcb_temp, slope, constant;
445eaf87 EV	84
04a4d10d EV	85	if (!data)
	86	return 0;
	87
d7f080e6 EV	88	bgp = data->bgp;
d7f080e6 EV	89	s = &bgp->conf->sensors[data->sensor_id];
04a4d10d	90
03e859d3	91	ret = ti_bandgap_read_temperature(bgp, data->sensor_id, &tmp);
445eaf87 EV	92	if (ret)
	93	return ret;
	94
	95	pcb_temp = 0;
	96	/* TODO: Introduce pcb temperature lookup */
	97	/* In case pcb zone is available, use the extrapolation rule with it */
	98	if (pcb_temp) {
	99	tmp -= pcb_temp;
	100	slope = s->slope_pcb;
	101	constant = s->constant_pcb;
	102	} else {
	103	slope = s->slope;
	104	constant = s->constant;
	105	}
03e859d3	106	*temp = ti_thermal_hotspot_temperature(tmp, slope, constant);
445eaf87 EV	107
	108	return ret;
	109	}
	110
	111	/* Bind callback functions for thermal zone */
03e859d3 EV	112	static int ti_thermal_bind(struct thermal_zone_device *thermal,
03e859d3 EV	113	struct thermal_cooling_device *cdev)
445eaf87	114	{
03e859d3	115	struct ti_thermal_data *data = thermal->devdata;
5035d48d	116	int id;
445eaf87 EV	117
	118	if (IS_ERR_OR_NULL(data))
	119	return -ENODEV;
	120
	121	/* check if this is the cooling device we registered */
	122	if (data->cool_dev != cdev)
	123	return 0;
	124
	125	id = data->sensor_id;
445eaf87 EV	126
	127	/* TODO: bind with min and max states */
	128	/* Simple thing, two trips, one passive another critical */
a7a3b8c8 EV	129	return thermal_zone_bind_cooling_device(thermal, 0, cdev,
	130	THERMAL_NO_LIMIT,
	131	THERMAL_NO_LIMIT);
445eaf87 EV	132	}
	133
	134	/* Unbind callback functions for thermal zone */
03e859d3 EV	135	static int ti_thermal_unbind(struct thermal_zone_device *thermal,
03e859d3 EV	136	struct thermal_cooling_device *cdev)
445eaf87	137	{
03e859d3	138	struct ti_thermal_data *data = thermal->devdata;
445eaf87 EV	139
	140	if (IS_ERR_OR_NULL(data))
	141	return -ENODEV;
	142
	143	/* check if this is the cooling device we registered */
	144	if (data->cool_dev != cdev)
	145	return 0;
	146
	147	/* Simple thing, two trips, one passive another critical */
	148	return thermal_zone_unbind_cooling_device(thermal, 0, cdev);
	149	}
	150
	151	/* Get mode callback functions for thermal zone */
03e859d3 EV	152	static int ti_thermal_get_mode(struct thermal_zone_device *thermal,
03e859d3 EV	153	enum thermal_device_mode *mode)
445eaf87	154	{
03e859d3	155	struct ti_thermal_data *data = thermal->devdata;
445eaf87 EV	156
	157	if (data)
	158	*mode = data->mode;
	159
	160	return 0;
	161	}
	162
	163	/* Set mode callback functions for thermal zone */
03e859d3 EV	164	static int ti_thermal_set_mode(struct thermal_zone_device *thermal,
03e859d3 EV	165	enum thermal_device_mode mode)
445eaf87	166	{
03e859d3	167	struct ti_thermal_data *data = thermal->devdata;
445eaf87	168
03e859d3	169	if (!data->ti_thermal) {
445eaf87 EV	170	dev_notice(&thermal->device, "thermal zone not registered\n");
	171	return 0;
	172	}
	173
03e859d3	174	mutex_lock(&data->ti_thermal->lock);
445eaf87 EV	175
445eaf87 EV	176	if (mode == THERMAL_DEVICE_ENABLED)
03e859d3	177	data->ti_thermal->polling_delay = FAST_TEMP_MONITORING_RATE;
445eaf87	178	else
03e859d3	179	data->ti_thermal->polling_delay = 0;
445eaf87	180
03e859d3	181	mutex_unlock(&data->ti_thermal->lock);
445eaf87 EV	182
445eaf87 EV	183	data->mode = mode;
03e859d3	184	thermal_zone_device_update(data->ti_thermal);
445eaf87	185	dev_dbg(&thermal->device, "thermal polling set for duration=%d msec\n",
03e859d3	186	data->ti_thermal->polling_delay);
445eaf87 EV	187
	188	return 0;
	189	}
	190
	191	/* Get trip type callback functions for thermal zone */
03e859d3 EV	192	static int ti_thermal_get_trip_type(struct thermal_zone_device *thermal,
03e859d3 EV	193	int trip, enum thermal_trip_type *type)
445eaf87	194	{
03e859d3	195	if (!ti_thermal_is_valid_trip(trip))
445eaf87 EV	196	return -EINVAL;
	197
	198	if (trip + 1 == OMAP_TRIP_NUMBER)
	199	*type = THERMAL_TRIP_CRITICAL;
	200	else
	201	*type = THERMAL_TRIP_PASSIVE;
	202
	203	return 0;
	204	}
	205
	206	/* Get trip temperature callback functions for thermal zone */
03e859d3 EV	207	static int ti_thermal_get_trip_temp(struct thermal_zone_device *thermal,
03e859d3 EV	208	int trip, unsigned long *temp)
445eaf87	209	{
03e859d3	210	if (!ti_thermal_is_valid_trip(trip))
445eaf87 EV	211	return -EINVAL;
445eaf87 EV	212
03e859d3	213	*temp = ti_thermal_get_trip_value(trip);
445eaf87 EV	214
	215	return 0;
	216	}
	217
03b7f67b K	218	/* Get the temperature trend callback functions for thermal zone */
	219	static int ti_thermal_get_trend(struct thermal_zone_device *thermal,
	220	int trip, enum thermal_trend *trend)
	221	{
	222	struct ti_thermal_data *data = thermal->devdata;
	223	struct ti_bandgap *bgp;
	224	int id, tr, ret = 0;
	225
	226	bgp = data->bgp;
	227	id = data->sensor_id;
	228
	229	ret = ti_bandgap_get_trend(bgp, id, &tr);
	230	if (ret)
	231	return ret;
	232
	233	if (tr > 0)
	234	*trend = THERMAL_TREND_RAISING;
	235	else if (tr < 0)
	236	*trend = THERMAL_TREND_DROPPING;
	237	else
	238	*trend = THERMAL_TREND_STABLE;
	239
	240	return 0;
	241	}
	242
445eaf87	243	/* Get critical temperature callback functions for thermal zone */
03e859d3 EV	244	static int ti_thermal_get_crit_temp(struct thermal_zone_device *thermal,
03e859d3 EV	245	unsigned long *temp)
445eaf87 EV	246	{
445eaf87 EV	247	/* shutdown zone */
03e859d3	248	return ti_thermal_get_trip_temp(thermal, OMAP_TRIP_NUMBER - 1, temp);
445eaf87 EV	249	}
445eaf87 EV	250
03e859d3 EV	251	static struct thermal_zone_device_ops ti_thermal_ops = {
03e859d3 EV	252	.get_temp = ti_thermal_get_temp,
03b7f67b	253	.get_trend = ti_thermal_get_trend,
03e859d3 EV	254	.bind = ti_thermal_bind,
	255	.unbind = ti_thermal_unbind,
	256	.get_mode = ti_thermal_get_mode,
	257	.set_mode = ti_thermal_set_mode,
	258	.get_trip_type = ti_thermal_get_trip_type,
	259	.get_trip_temp = ti_thermal_get_trip_temp,
	260	.get_crit_temp = ti_thermal_get_crit_temp,
445eaf87 EV	261	};
445eaf87 EV	262
03e859d3 EV	263	static struct ti_thermal_data
03e859d3 EV	264	ti_thermal_build_data(struct ti_bandgap bgp, int id)
445eaf87	265	{
03e859d3	266	struct ti_thermal_data *data;
445eaf87	267
d7f080e6	268	data = devm_kzalloc(bgp->dev, sizeof(*data), GFP_KERNEL);
445eaf87	269	if (!data) {
d7f080e6	270	dev_err(bgp->dev, "kzalloc fail\n");
04a4d10d	271	return NULL;
445eaf87 EV	272	}
445eaf87 EV	273	data->sensor_id = id;
d7f080e6	274	data->bgp = bgp;
445eaf87	275	data->mode = THERMAL_DEVICE_ENABLED;
03e859d3	276	INIT_WORK(&data->thermal_wq, ti_thermal_work);
445eaf87	277
04a4d10d EV	278	return data;
	279	}
	280
03e859d3 EV	281	int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id,
03e859d3 EV	282	char *domain)
04a4d10d	283	{
03e859d3	284	struct ti_thermal_data *data;
04a4d10d	285
03e859d3	286	data = ti_bandgap_get_sensor_data(bgp, id);
04a4d10d	287
35b052a6	288	if (IS_ERR_OR_NULL(data))
03e859d3	289	data = ti_thermal_build_data(bgp, id);
04a4d10d EV	290
	291	if (!data)
	292	return -EINVAL;
	293
445eaf87 EV	294	/* TODO: remove TC1 TC2 */
445eaf87 EV	295	/* Create thermal zone */
03e859d3 EV	296	data->ti_thermal = thermal_zone_device_register(domain,
03e859d3 EV	297	OMAP_TRIP_NUMBER, 0, data, &ti_thermal_ops,
50125a9b	298	NULL, FAST_TEMP_MONITORING_RATE,
765a1939	299	FAST_TEMP_MONITORING_RATE);
03e859d3	300	if (IS_ERR_OR_NULL(data->ti_thermal)) {
d7f080e6	301	dev_err(bgp->dev, "thermal zone device is NULL\n");
03e859d3	302	return PTR_ERR(data->ti_thermal);
445eaf87	303	}
03e859d3 EV	304	data->ti_thermal->polling_delay = FAST_TEMP_MONITORING_RATE;
03e859d3 EV	305	ti_bandgap_set_sensor_data(bgp, id, data);
445eaf87 EV	306
	307	return 0;
	308	}
	309
03e859d3	310	int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id)
445eaf87	311	{
03e859d3	312	struct ti_thermal_data *data;
445eaf87	313
03e859d3	314	data = ti_bandgap_get_sensor_data(bgp, id);
445eaf87	315
03e859d3	316	thermal_zone_device_unregister(data->ti_thermal);
445eaf87 EV	317
	318	return 0;
	319	}
	320
03e859d3	321	int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id)
445eaf87	322	{
03e859d3	323	struct ti_thermal_data *data;
445eaf87	324
03e859d3	325	data = ti_bandgap_get_sensor_data(bgp, id);
445eaf87 EV	326
	327	schedule_work(&data->thermal_wq);
	328
	329	return 0;
	330	}
	331
03e859d3	332	int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id)
445eaf87	333	{
03e859d3	334	struct ti_thermal_data *data;
445eaf87	335
03e859d3	336	data = ti_bandgap_get_sensor_data(bgp, id);
35b052a6	337	if (IS_ERR_OR_NULL(data))
03e859d3	338	data = ti_thermal_build_data(bgp, id);
04a4d10d EV	339
	340	if (!data)
	341	return -EINVAL;
445eaf87	342
445eaf87	343	/* Register cooling device */
5035d48d	344	data->cool_dev = cpufreq_cooling_register(cpu_present_mask);
445eaf87	345	if (IS_ERR_OR_NULL(data->cool_dev)) {
d7f080e6	346	dev_err(bgp->dev,
445eaf87 EV	347	"Failed to register cpufreq cooling device\n");
	348	return PTR_ERR(data->cool_dev);
	349	}
03e859d3	350	ti_bandgap_set_sensor_data(bgp, id, data);
445eaf87 EV	351
	352	return 0;
	353	}
	354
03e859d3	355	int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id)
445eaf87	356	{
03e859d3	357	struct ti_thermal_data *data;
445eaf87	358
03e859d3	359	data = ti_bandgap_get_sensor_data(bgp, id);
445eaf87 EV	360	cpufreq_cooling_unregister(data->cool_dev);
	361
	362	return 0;
	363	}