[deliverable/linux.git] / drivers / gpu / drm / nouveau / core / subdev / therm / base.c

/*
 * Copyright 2012 The Nouveau community
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Martin Peres
 */

#include <core/object.h>
#include <core/device.h>

#include <subdev/bios.h>

#include "priv.h"

static int
nouveau_therm_update_trip(struct nouveau_therm *therm)
{
	struct nouveau_therm_priv *priv = (void *)therm;
	struct nouveau_therm_trip_point *trip = priv->fan->bios.trip,
					*cur_trip = NULL,
					*last_trip = priv->last_trip;
	u8  temp = therm->temp_get(therm);
	u16 duty, i;

	/* look for the trip point corresponding to the current temperature */
	cur_trip = NULL;
	for (i = 0; i < priv->fan->bios.nr_fan_trip; i++) {
		if (temp >= trip[i].temp)
			cur_trip = &trip[i];
	}

	/* account for the hysteresis cycle */
	if (last_trip && temp <= (last_trip->temp) &&
	    temp > (last_trip->temp - last_trip->hysteresis))
		cur_trip = last_trip;

	if (cur_trip) {
		duty = cur_trip->fan_duty;
		priv->last_trip = cur_trip;
	} else {
		duty = 0;
		priv->last_trip = NULL;
	}

	return duty;
}

static int
nouveau_therm_update_linear(struct nouveau_therm *therm)
{
	struct nouveau_therm_priv *priv = (void *)therm;
	u8  linear_min_temp = priv->fan->bios.linear_min_temp;
	u8  linear_max_temp = priv->fan->bios.linear_max_temp;
	u8  temp = therm->temp_get(therm);
	u16 duty;

	/* handle the non-linear part first */
	if (temp < linear_min_temp)
		return priv->fan->bios.min_duty;
	else if (temp > linear_max_temp)
		return priv->fan->bios.max_duty;

	/* we are in the linear zone */
	duty  = (temp - linear_min_temp);
	duty *= (priv->fan->bios.max_duty - priv->fan->bios.min_duty);
	duty /= (linear_max_temp - linear_min_temp);
	duty += priv->fan->bios.min_duty;

	return duty;
}

static void
nouveau_therm_update(struct nouveau_therm *therm, int mode)
{
	struct nouveau_timer *ptimer = nouveau_timer(therm);
	struct nouveau_therm_priv *priv = (void *)therm;
	unsigned long flags;
	int duty;

	spin_lock_irqsave(&priv->lock, flags);
	if (mode < 0)
		mode = priv->mode;
	priv->mode = mode;

	switch (mode) {
	case NOUVEAU_THERM_CTRL_MANUAL:
		duty = nouveau_therm_fan_get(therm);
		if (duty < 0)
			duty = 100;
		break;
	case NOUVEAU_THERM_CTRL_AUTO:
		if (priv->fan->bios.nr_fan_trip)
			duty = nouveau_therm_update_trip(therm);
		else
			duty = nouveau_therm_update_linear(therm);
		break;
	case NOUVEAU_THERM_CTRL_NONE:
	default:
		goto done;
	}

	nv_debug(therm, "FAN target request: %d%%\n", duty);
	nouveau_therm_fan_set(therm, (mode != NOUVEAU_THERM_CTRL_AUTO), duty);

done:
	if (list_empty(&priv->alarm.head) && (mode == NOUVEAU_THERM_CTRL_AUTO))
		ptimer->alarm(ptimer, 1000000000ULL, &priv->alarm);
	spin_unlock_irqrestore(&priv->lock, flags);
}

static void
nouveau_therm_alarm(struct nouveau_alarm *alarm)
{
	struct nouveau_therm_priv *priv =
	       container_of(alarm, struct nouveau_therm_priv, alarm);
	nouveau_therm_update(&priv->base, -1);
}

int
nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode)
{
	struct nouveau_therm_priv *priv = (void *)therm;
	struct nouveau_device *device = nv_device(therm);
	static const char *name[] = {
		"disabled",
		"manual",
		"automatic"
	};

	/* The default PDAEMON ucode interferes with fan management */
	if ((mode >= ARRAY_SIZE(name)) ||
	    (mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0))
		return -EINVAL;

	/* do not allow automatic fan management if the thermal sensor is
	 * not available */
	if (priv->mode == 2 && therm->temp_get(therm) < 0)
		return -EINVAL;

	if (priv->mode == mode)
		return 0;

	nv_info(therm, "fan management: %s\n", name[mode]);
	nouveau_therm_update(therm, mode);
	return 0;
}

int
nouveau_therm_attr_get(struct nouveau_therm *therm,
		       enum nouveau_therm_attr_type type)
{
	struct nouveau_therm_priv *priv = (void *)therm;

	switch (type) {
	case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
		return priv->fan->bios.min_duty;
	case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
		return priv->fan->bios.max_duty;
	case NOUVEAU_THERM_ATTR_FAN_MODE:
		return priv->mode;
	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
		return priv->bios_sensor.thrs_fan_boost.temp;
	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
		return priv->bios_sensor.thrs_fan_boost.hysteresis;
	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
		return priv->bios_sensor.thrs_down_clock.temp;
	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
		return priv->bios_sensor.thrs_down_clock.hysteresis;
	case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
		return priv->bios_sensor.thrs_critical.temp;
	case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
		return priv->bios_sensor.thrs_critical.hysteresis;
	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
		return priv->bios_sensor.thrs_shutdown.temp;
	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
		return priv->bios_sensor.thrs_shutdown.hysteresis;
	}

	return -EINVAL;
}

int
nouveau_therm_attr_set(struct nouveau_therm *therm,
		       enum nouveau_therm_attr_type type, int value)
{
	struct nouveau_therm_priv *priv = (void *)therm;

	switch (type) {
	case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
		if (value < 0)
			value = 0;
		if (value > priv->fan->bios.max_duty)
			value = priv->fan->bios.max_duty;
		priv->fan->bios.min_duty = value;
		return 0;
	case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
		if (value < 0)
			value = 0;
		if (value < priv->fan->bios.min_duty)
			value = priv->fan->bios.min_duty;
		priv->fan->bios.max_duty = value;
		return 0;
	case NOUVEAU_THERM_ATTR_FAN_MODE:
		return nouveau_therm_fan_mode(therm, value);
	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
		priv->bios_sensor.thrs_fan_boost.temp = value;
		priv->sensor.program_alarms(therm);
		return 0;
	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
		priv->bios_sensor.thrs_fan_boost.hysteresis = value;
		priv->sensor.program_alarms(therm);
		return 0;
	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
		priv->bios_sensor.thrs_down_clock.temp = value;
		priv->sensor.program_alarms(therm);
		return 0;
	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
		priv->bios_sensor.thrs_down_clock.hysteresis = value;
		priv->sensor.program_alarms(therm);
		return 0;
	case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
		priv->bios_sensor.thrs_critical.temp = value;
		priv->sensor.program_alarms(therm);
		return 0;
	case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
		priv->bios_sensor.thrs_critical.hysteresis = value;
		priv->sensor.program_alarms(therm);
		return 0;
	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
		priv->bios_sensor.thrs_shutdown.temp = value;
		priv->sensor.program_alarms(therm);
		return 0;
	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
		priv->bios_sensor.thrs_shutdown.hysteresis = value;
		priv->sensor.program_alarms(therm);
		return 0;
	}

	return -EINVAL;
}

int
_nouveau_therm_init(struct nouveau_object *object)
{
	struct nouveau_therm *therm = (void *)object;
	struct nouveau_therm_priv *priv = (void *)therm;
	int ret;

	ret = nouveau_subdev_init(&therm->base);
	if (ret)
		return ret;

	if (priv->suspend >= 0) {
		/* restore the pwm value only when on manual or auto mode */
		if (priv->suspend > 0)
			nouveau_therm_fan_set(therm, true, priv->fan->percent);

		nouveau_therm_fan_mode(therm, priv->suspend);
	}
	priv->sensor.program_alarms(therm);
	return 0;
}

int
_nouveau_therm_fini(struct nouveau_object *object, bool suspend)
{
	struct nouveau_therm *therm = (void *)object;
	struct nouveau_therm_priv *priv = (void *)therm;

	if (suspend) {
		priv->suspend = priv->mode;
		priv->mode = NOUVEAU_THERM_CTRL_NONE;
	}

	return nouveau_subdev_fini(&therm->base, suspend);
}

int
nouveau_therm_create_(struct nouveau_object *parent,
		      struct nouveau_object *engine,
		      struct nouveau_oclass *oclass,
		      int length, void **pobject)
{
	struct nouveau_therm_priv *priv;
	int ret;

	ret = nouveau_subdev_create_(parent, engine, oclass, 0, "PTHERM",
				     "therm", length, pobject);
	priv = *pobject;
	if (ret)
		return ret;

	nouveau_alarm_init(&priv->alarm, nouveau_therm_alarm);
	spin_lock_init(&priv->lock);
	spin_lock_init(&priv->sensor.alarm_program_lock);

	priv->base.fan_get = nouveau_therm_fan_user_get;
	priv->base.fan_set = nouveau_therm_fan_user_set;
	priv->base.fan_sense = nouveau_therm_fan_sense;
	priv->base.attr_get = nouveau_therm_attr_get;
	priv->base.attr_set = nouveau_therm_attr_set;
	priv->mode = priv->suspend = -1; /* undefined */
	return 0;
}

int
nouveau_therm_preinit(struct nouveau_therm *therm)
{
	nouveau_therm_sensor_ctor(therm);
	nouveau_therm_ic_ctor(therm);
	nouveau_therm_fan_ctor(therm);

	nouveau_therm_fan_mode(therm, NOUVEAU_THERM_CTRL_NONE);
	nouveau_therm_sensor_preinit(therm);
	return 0;
}

void
_nouveau_therm_dtor(struct nouveau_object *object)
{
	struct nouveau_therm_priv *priv = (void *)object;
	kfree(priv->fan);
	nouveau_subdev_destroy(&priv->base.base);
}
Commit	Line	Data
aa1b9b48 MP	1	/*
	2	* Copyright 2012 The Nouveau community
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* Authors: Martin Peres
	23	*/
	24
	25	#include <core/object.h>
	26	#include <core/device.h>
	27
	28	#include <subdev/bios.h>
	29
	30	#include "priv.h"
	31
694472f4 MP	32	static int
	33	nouveau_therm_update_trip(struct nouveau_therm *therm)
	34	{
	35	struct nouveau_therm_priv priv = (void )therm;
	36	struct nouveau_therm_trip_point *trip = priv->fan->bios.trip,
	37	*cur_trip = NULL,
	38	*last_trip = priv->last_trip;
	39	u8 temp = therm->temp_get(therm);
	40	u16 duty, i;
	41
	42	/* look for the trip point corresponding to the current temperature */
	43	cur_trip = NULL;
	44	for (i = 0; i < priv->fan->bios.nr_fan_trip; i++) {
	45	if (temp >= trip[i].temp)
	46	cur_trip = &trip[i];
	47	}
	48
	49	/* account for the hysteresis cycle */
	50	if (last_trip && temp <= (last_trip->temp) &&
	51	temp > (last_trip->temp - last_trip->hysteresis))
	52	cur_trip = last_trip;
	53
	54	if (cur_trip) {
	55	duty = cur_trip->fan_duty;
	56	priv->last_trip = cur_trip;
	57	} else {
	58	duty = 0;
	59	priv->last_trip = NULL;
	60	}
	61
	62	return duty;
	63	}
	64
	65	static int
	66	nouveau_therm_update_linear(struct nouveau_therm *therm)
	67	{
	68	struct nouveau_therm_priv priv = (void )therm;
	69	u8 linear_min_temp = priv->fan->bios.linear_min_temp;
	70	u8 linear_max_temp = priv->fan->bios.linear_max_temp;
	71	u8 temp = therm->temp_get(therm);
	72	u16 duty;
	73
a624bafb MP	74	/* handle the non-linear part first */
	75	if (temp < linear_min_temp)
	76	return priv->fan->bios.min_duty;
	77	else if (temp > linear_max_temp)
	78	return priv->fan->bios.max_duty;
	79
	80	/* we are in the linear zone */
694472f4 MP	81	duty = (temp - linear_min_temp);
	82	duty *= (priv->fan->bios.max_duty - priv->fan->bios.min_duty);
	83	duty /= (linear_max_temp - linear_min_temp);
	84	duty += priv->fan->bios.min_duty;
	85
	86	return duty;
	87	}
	88
	89	static void
	90	nouveau_therm_update(struct nouveau_therm *therm, int mode)
	91	{
	92	struct nouveau_timer *ptimer = nouveau_timer(therm);
	93	struct nouveau_therm_priv priv = (void )therm;
	94	unsigned long flags;
	95	int duty;
	96
	97	spin_lock_irqsave(&priv->lock, flags);
	98	if (mode < 0)
	99	mode = priv->mode;
	100	priv->mode = mode;
	101
	102	switch (mode) {
1a22274b BS	103	case NOUVEAU_THERM_CTRL_MANUAL:
	104	duty = nouveau_therm_fan_get(therm);
	105	if (duty < 0)
	106	duty = 100;
694472f4	107	break;
1a22274b	108	case NOUVEAU_THERM_CTRL_AUTO:
694472f4 MP	109	if (priv->fan->bios.nr_fan_trip)
	110	duty = nouveau_therm_update_trip(therm);
	111	else
	112	duty = nouveau_therm_update_linear(therm);
	113	break;
1a22274b	114	case NOUVEAU_THERM_CTRL_NONE:
694472f4 MP	115	default:
	116	goto done;
	117	}
	118
1a22274b BS	119	nv_debug(therm, "FAN target request: %d%%\n", duty);
1a22274b BS	120	nouveau_therm_fan_set(therm, (mode != NOUVEAU_THERM_CTRL_AUTO), duty);
694472f4 MP	121
694472f4 MP	122	done:
1a22274b	123	if (list_empty(&priv->alarm.head) && (mode == NOUVEAU_THERM_CTRL_AUTO))
694472f4 MP	124	ptimer->alarm(ptimer, 1000000000ULL, &priv->alarm);
	125	spin_unlock_irqrestore(&priv->lock, flags);
	126	}
	127
	128	static void
	129	nouveau_therm_alarm(struct nouveau_alarm *alarm)
	130	{
	131	struct nouveau_therm_priv *priv =
	132	container_of(alarm, struct nouveau_therm_priv, alarm);
	133	nouveau_therm_update(&priv->base, -1);
	134	}
	135
0083b91d	136	int
c4ce9246	137	nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode)
694472f4 MP	138	{
694472f4 MP	139	struct nouveau_therm_priv priv = (void )therm;
1a22274b BS	140	struct nouveau_device *device = nv_device(therm);
	141	static const char *name[] = {
	142	"disabled",
	143	"manual",
	144	"automatic"
	145	};
694472f4 MP	146
694472f4 MP	147	/* The default PDAEMON ucode interferes with fan management */
1a22274b BS	148	if ((mode >= ARRAY_SIZE(name)) \|\|
1a22274b BS	149	(mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0))
694472f4 MP	150	return -EINVAL;
694472f4 MP	151
98ee7c7c MP	152	/* do not allow automatic fan management if the thermal sensor is
	153	* not available */
	154	if (priv->mode == 2 && therm->temp_get(therm) < 0)
	155	return -EINVAL;
	156
1a22274b BS	157	if (priv->mode == mode)
1a22274b BS	158	return 0;
694472f4	159
c4ce9246	160	nv_info(therm, "fan management: %s\n", name[mode]);
694472f4 MP	161	nouveau_therm_update(therm, mode);
	162	return 0;
	163	}
	164
aa1b9b48 MP	165	int
	166	nouveau_therm_attr_get(struct nouveau_therm *therm,
	167	enum nouveau_therm_attr_type type)
	168	{
	169	struct nouveau_therm_priv priv = (void )therm;
	170
	171	switch (type) {
	172	case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
9c3bd3a5	173	return priv->fan->bios.min_duty;
aa1b9b48	174	case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
9c3bd3a5	175	return priv->fan->bios.max_duty;
2f951a5d	176	case NOUVEAU_THERM_ATTR_FAN_MODE:
694472f4	177	return priv->mode;
aa1b9b48 MP	178	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
	179	return priv->bios_sensor.thrs_fan_boost.temp;
	180	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
	181	return priv->bios_sensor.thrs_fan_boost.hysteresis;
	182	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
	183	return priv->bios_sensor.thrs_down_clock.temp;
	184	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
	185	return priv->bios_sensor.thrs_down_clock.hysteresis;
	186	case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
	187	return priv->bios_sensor.thrs_critical.temp;
	188	case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
	189	return priv->bios_sensor.thrs_critical.hysteresis;
	190	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
	191	return priv->bios_sensor.thrs_shutdown.temp;
	192	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
	193	return priv->bios_sensor.thrs_shutdown.hysteresis;
	194	}
	195
	196	return -EINVAL;
	197	}
	198
	199	int
	200	nouveau_therm_attr_set(struct nouveau_therm *therm,
	201	enum nouveau_therm_attr_type type, int value)
	202	{
	203	struct nouveau_therm_priv priv = (void )therm;
	204
	205	switch (type) {
	206	case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
	207	if (value < 0)
	208	value = 0;
9c3bd3a5 BS	209	if (value > priv->fan->bios.max_duty)
	210	value = priv->fan->bios.max_duty;
	211	priv->fan->bios.min_duty = value;
aa1b9b48 MP	212	return 0;
	213	case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
	214	if (value < 0)
	215	value = 0;
9c3bd3a5 BS	216	if (value < priv->fan->bios.min_duty)
	217	value = priv->fan->bios.min_duty;
	218	priv->fan->bios.max_duty = value;
aa1b9b48	219	return 0;
2f951a5d	220	case NOUVEAU_THERM_ATTR_FAN_MODE:
c4ce9246	221	return nouveau_therm_fan_mode(therm, value);
aa1b9b48 MP	222	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
aa1b9b48 MP	223	priv->bios_sensor.thrs_fan_boost.temp = value;
0083b91d	224	priv->sensor.program_alarms(therm);
aa1b9b48 MP	225	return 0;
	226	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
	227	priv->bios_sensor.thrs_fan_boost.hysteresis = value;
0083b91d	228	priv->sensor.program_alarms(therm);
aa1b9b48 MP	229	return 0;
	230	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
	231	priv->bios_sensor.thrs_down_clock.temp = value;
0083b91d	232	priv->sensor.program_alarms(therm);
aa1b9b48 MP	233	return 0;
	234	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
	235	priv->bios_sensor.thrs_down_clock.hysteresis = value;
0083b91d	236	priv->sensor.program_alarms(therm);
aa1b9b48 MP	237	return 0;
	238	case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
	239	priv->bios_sensor.thrs_critical.temp = value;
0083b91d	240	priv->sensor.program_alarms(therm);
aa1b9b48 MP	241	return 0;
	242	case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
	243	priv->bios_sensor.thrs_critical.hysteresis = value;
0083b91d	244	priv->sensor.program_alarms(therm);
aa1b9b48 MP	245	return 0;
	246	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
	247	priv->bios_sensor.thrs_shutdown.temp = value;
0083b91d	248	priv->sensor.program_alarms(therm);
aa1b9b48 MP	249	return 0;
	250	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
	251	priv->bios_sensor.thrs_shutdown.hysteresis = value;
0083b91d	252	priv->sensor.program_alarms(therm);
aa1b9b48 MP	253	return 0;
	254	}
	255
	256	return -EINVAL;
	257	}
	258
	259	int
5f066c32	260	_nouveau_therm_init(struct nouveau_object *object)
aa1b9b48 MP	261	{
	262	struct nouveau_therm therm = (void )object;
	263	struct nouveau_therm_priv priv = (void )therm;
	264	int ret;
	265
	266	ret = nouveau_subdev_init(&therm->base);
	267	if (ret)
	268	return ret;
	269
4cc00ad1 MP	270	if (priv->suspend >= 0) {
	271	/* restore the pwm value only when on manual or auto mode */
	272	if (priv->suspend > 0)
	273	nouveau_therm_fan_set(therm, true, priv->fan->percent);
	274
ffb8ea8a	275	nouveau_therm_fan_mode(therm, priv->suspend);
4cc00ad1	276	}
0083b91d	277	priv->sensor.program_alarms(therm);
aa1b9b48 MP	278	return 0;
	279	}
	280
	281	int
5f066c32	282	_nouveau_therm_fini(struct nouveau_object *object, bool suspend)
aa1b9b48 MP	283	{
	284	struct nouveau_therm therm = (void )object;
	285	struct nouveau_therm_priv priv = (void )therm;
	286
1a22274b BS	287	if (suspend) {
	288	priv->suspend = priv->mode;
	289	priv->mode = NOUVEAU_THERM_CTRL_NONE;
	290	}
aa1b9b48 MP	291
	292	return nouveau_subdev_fini(&therm->base, suspend);
	293	}
5f066c32 BS	294
	295	int
	296	nouveau_therm_create_(struct nouveau_object *parent,
	297	struct nouveau_object *engine,
	298	struct nouveau_oclass *oclass,
	299	int length, void **pobject)
	300	{
	301	struct nouveau_therm_priv *priv;
	302	int ret;
	303
	304	ret = nouveau_subdev_create_(parent, engine, oclass, 0, "PTHERM",
	305	"therm", length, pobject);
	306	priv = *pobject;
	307	if (ret)
	308	return ret;
	309
694472f4 MP	310	nouveau_alarm_init(&priv->alarm, nouveau_therm_alarm);
694472f4 MP	311	spin_lock_init(&priv->lock);
3969f05b	312	spin_lock_init(&priv->sensor.alarm_program_lock);
694472f4	313
5f066c32 BS	314	priv->base.fan_get = nouveau_therm_fan_user_get;
	315	priv->base.fan_set = nouveau_therm_fan_user_set;
	316	priv->base.fan_sense = nouveau_therm_fan_sense;
	317	priv->base.attr_get = nouveau_therm_attr_get;
	318	priv->base.attr_set = nouveau_therm_attr_set;
1a22274b	319	priv->mode = priv->suspend = -1; /* undefined */
5f066c32 BS	320	return 0;
5f066c32 BS	321	}
9c3bd3a5 BS	322
	323	int
	324	nouveau_therm_preinit(struct nouveau_therm *therm)
	325	{
9c3bd3a5	326	nouveau_therm_sensor_ctor(therm);
13506e2a	327	nouveau_therm_ic_ctor(therm);
9c3bd3a5	328	nouveau_therm_fan_ctor(therm);
1a22274b	329
c4ce9246	330	nouveau_therm_fan_mode(therm, NOUVEAU_THERM_CTRL_NONE);
0b3ee377	331	nouveau_therm_sensor_preinit(therm);
9c3bd3a5 BS	332	return 0;
	333	}
	334
	335	void
	336	_nouveau_therm_dtor(struct nouveau_object *object)
	337	{
	338	struct nouveau_therm_priv priv = (void )object;
	339	kfree(priv->fan);
	340	nouveau_subdev_destroy(&priv->base.base);
	341	}