[mirror_ubuntu-hirsute-kernel.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;
	bool poll = true;
	int duty;

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

	switch (mode) {
	case NOUVEAU_THERM_CTRL_MANUAL:
		ptimer->alarm_cancel(ptimer, &priv->alarm);
		duty = nouveau_therm_fan_get(therm);
		if (duty < 0)
			duty = 100;
		poll = false;
		break;
	case NOUVEAU_THERM_CTRL_AUTO:
		if (priv->fan->bios.nr_fan_trip) {
			duty = nouveau_therm_update_trip(therm);
		} else
		if (priv->fan->bios.linear_min_temp ||
		    priv->fan->bios.linear_max_temp) {
			duty = nouveau_therm_update_linear(therm);
		} else {
			duty = priv->cstate;
			poll = false;
		}
		break;
	case NOUVEAU_THERM_CTRL_NONE:
	default:
		ptimer->alarm_cancel(ptimer, &priv->alarm);
		poll = false;
		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) && poll)
		ptimer->alarm(ptimer, 1000000000ULL, &priv->alarm);
	spin_unlock_irqrestore(&priv->lock, flags);
}

int
nouveau_therm_cstate(struct nouveau_therm *ptherm, int fan, int dir)
{
	struct nouveau_therm_priv *priv = (void *)ptherm;
	if (!dir || (dir < 0 && fan < priv->cstate) ||
		    (dir > 0 && fan > priv->cstate)) {
		nv_debug(ptherm, "default fan speed -> %d%%\n", fan);
		priv->cstate = fan;
		nouveau_therm_update(ptherm, -1);
	}
	return 0;
}

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 PPWR ucode on fermi interferes with fan management */
	if ((mode >= ARRAY_SIZE(name)) ||
	    (mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0 &&
	     !nouveau_subdev(device, NVDEV_SUBDEV_PWR)))
		return -EINVAL;

	/* do not allow automatic fan management if the thermal sensor is
	 * not available */
	if (priv->mode == NOUVEAU_THERM_CTRL_AUTO && 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);
	}
	nouveau_therm_sensor_init(therm);
	nouveau_therm_fan_init(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;

	nouveau_therm_fan_fini(therm, suspend);
	nouveau_therm_sensor_fini(therm, suspend);
	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;
36faa2fc	95	bool poll = true;
694472f4 MP	96	int duty;
	97
	98	spin_lock_irqsave(&priv->lock, flags);
	99	if (mode < 0)
	100	mode = priv->mode;
	101	priv->mode = mode;
	102
	103	switch (mode) {
1a22274b	104	case NOUVEAU_THERM_CTRL_MANUAL:
c4a62a76	105	ptimer->alarm_cancel(ptimer, &priv->alarm);
1a22274b BS	106	duty = nouveau_therm_fan_get(therm);
	107	if (duty < 0)
	108	duty = 100;
36faa2fc	109	poll = false;
694472f4	110	break;
1a22274b	111	case NOUVEAU_THERM_CTRL_AUTO:
36faa2fc	112	if (priv->fan->bios.nr_fan_trip) {
694472f4	113	duty = nouveau_therm_update_trip(therm);
36faa2fc BS	114	} else
	115	if (priv->fan->bios.linear_min_temp \|\|
	116	priv->fan->bios.linear_max_temp) {
694472f4	117	duty = nouveau_therm_update_linear(therm);
36faa2fc BS	118	} else {
	119	duty = priv->cstate;
	120	poll = false;
	121	}
694472f4	122	break;
1a22274b	123	case NOUVEAU_THERM_CTRL_NONE:
694472f4	124	default:
c4a62a76	125	ptimer->alarm_cancel(ptimer, &priv->alarm);
36faa2fc	126	poll = false;
694472f4 MP	127	goto done;
	128	}
	129
1a22274b BS	130	nv_debug(therm, "FAN target request: %d%%\n", duty);
1a22274b BS	131	nouveau_therm_fan_set(therm, (mode != NOUVEAU_THERM_CTRL_AUTO), duty);
694472f4 MP	132
694472f4 MP	133	done:
36faa2fc	134	if (list_empty(&priv->alarm.head) && poll)
694472f4 MP	135	ptimer->alarm(ptimer, 1000000000ULL, &priv->alarm);
	136	spin_unlock_irqrestore(&priv->lock, flags);
	137	}
	138
6387e2cb BS	139	int
	140	nouveau_therm_cstate(struct nouveau_therm *ptherm, int fan, int dir)
	141	{
	142	struct nouveau_therm_priv priv = (void )ptherm;
	143	if (!dir \|\| (dir < 0 && fan < priv->cstate) \|\|
	144	(dir > 0 && fan > priv->cstate)) {
	145	nv_debug(ptherm, "default fan speed -> %d%%\n", fan);
	146	priv->cstate = fan;
	147	nouveau_therm_update(ptherm, -1);
	148	}
	149	return 0;
	150	}
	151
694472f4 MP	152	static void
	153	nouveau_therm_alarm(struct nouveau_alarm *alarm)
	154	{
	155	struct nouveau_therm_priv *priv =
	156	container_of(alarm, struct nouveau_therm_priv, alarm);
	157	nouveau_therm_update(&priv->base, -1);
	158	}
	159
0083b91d	160	int
c4ce9246	161	nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode)
694472f4 MP	162	{
694472f4 MP	163	struct nouveau_therm_priv priv = (void )therm;
1a22274b BS	164	struct nouveau_device *device = nv_device(therm);
	165	static const char *name[] = {
	166	"disabled",
	167	"manual",
	168	"automatic"
	169	};
694472f4	170
09b8d73b	171	/* The default PPWR ucode on fermi interferes with fan management */
1a22274b	172	if ((mode >= ARRAY_SIZE(name)) \|\|
09b8d73b BS	173	(mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0 &&
09b8d73b BS	174	!nouveau_subdev(device, NVDEV_SUBDEV_PWR)))
694472f4 MP	175	return -EINVAL;
694472f4 MP	176
98ee7c7c MP	177	/* do not allow automatic fan management if the thermal sensor is
98ee7c7c MP	178	* not available */
09b8d73b	179	if (priv->mode == NOUVEAU_THERM_CTRL_AUTO && therm->temp_get(therm) < 0)
98ee7c7c MP	180	return -EINVAL;
98ee7c7c MP	181
1a22274b BS	182	if (priv->mode == mode)
1a22274b BS	183	return 0;
694472f4	184
c4ce9246	185	nv_info(therm, "fan management: %s\n", name[mode]);
694472f4 MP	186	nouveau_therm_update(therm, mode);
	187	return 0;
	188	}
	189
aa1b9b48 MP	190	int
	191	nouveau_therm_attr_get(struct nouveau_therm *therm,
	192	enum nouveau_therm_attr_type type)
	193	{
	194	struct nouveau_therm_priv priv = (void )therm;
	195
	196	switch (type) {
	197	case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
9c3bd3a5	198	return priv->fan->bios.min_duty;
aa1b9b48	199	case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
9c3bd3a5	200	return priv->fan->bios.max_duty;
2f951a5d	201	case NOUVEAU_THERM_ATTR_FAN_MODE:
694472f4	202	return priv->mode;
aa1b9b48 MP	203	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
	204	return priv->bios_sensor.thrs_fan_boost.temp;
	205	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
	206	return priv->bios_sensor.thrs_fan_boost.hysteresis;
	207	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
	208	return priv->bios_sensor.thrs_down_clock.temp;
	209	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
	210	return priv->bios_sensor.thrs_down_clock.hysteresis;
	211	case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
	212	return priv->bios_sensor.thrs_critical.temp;
	213	case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
	214	return priv->bios_sensor.thrs_critical.hysteresis;
	215	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
	216	return priv->bios_sensor.thrs_shutdown.temp;
	217	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
	218	return priv->bios_sensor.thrs_shutdown.hysteresis;
	219	}
	220
	221	return -EINVAL;
	222	}
	223
	224	int
	225	nouveau_therm_attr_set(struct nouveau_therm *therm,
	226	enum nouveau_therm_attr_type type, int value)
	227	{
	228	struct nouveau_therm_priv priv = (void )therm;
	229
	230	switch (type) {
	231	case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
	232	if (value < 0)
	233	value = 0;
9c3bd3a5 BS	234	if (value > priv->fan->bios.max_duty)
	235	value = priv->fan->bios.max_duty;
	236	priv->fan->bios.min_duty = value;
aa1b9b48 MP	237	return 0;
	238	case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
	239	if (value < 0)
	240	value = 0;
9c3bd3a5 BS	241	if (value < priv->fan->bios.min_duty)
	242	value = priv->fan->bios.min_duty;
	243	priv->fan->bios.max_duty = value;
aa1b9b48	244	return 0;
2f951a5d	245	case NOUVEAU_THERM_ATTR_FAN_MODE:
c4ce9246	246	return nouveau_therm_fan_mode(therm, value);
aa1b9b48 MP	247	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
aa1b9b48 MP	248	priv->bios_sensor.thrs_fan_boost.temp = value;
0083b91d	249	priv->sensor.program_alarms(therm);
aa1b9b48 MP	250	return 0;
	251	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
	252	priv->bios_sensor.thrs_fan_boost.hysteresis = value;
0083b91d	253	priv->sensor.program_alarms(therm);
aa1b9b48 MP	254	return 0;
	255	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
	256	priv->bios_sensor.thrs_down_clock.temp = value;
0083b91d	257	priv->sensor.program_alarms(therm);
aa1b9b48 MP	258	return 0;
	259	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
	260	priv->bios_sensor.thrs_down_clock.hysteresis = value;
0083b91d	261	priv->sensor.program_alarms(therm);
aa1b9b48 MP	262	return 0;
	263	case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
	264	priv->bios_sensor.thrs_critical.temp = value;
0083b91d	265	priv->sensor.program_alarms(therm);
aa1b9b48 MP	266	return 0;
	267	case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
	268	priv->bios_sensor.thrs_critical.hysteresis = value;
0083b91d	269	priv->sensor.program_alarms(therm);
aa1b9b48 MP	270	return 0;
	271	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
	272	priv->bios_sensor.thrs_shutdown.temp = value;
0083b91d	273	priv->sensor.program_alarms(therm);
aa1b9b48 MP	274	return 0;
	275	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
	276	priv->bios_sensor.thrs_shutdown.hysteresis = value;
0083b91d	277	priv->sensor.program_alarms(therm);
aa1b9b48 MP	278	return 0;
	279	}
	280
	281	return -EINVAL;
	282	}
	283
	284	int
5f066c32	285	_nouveau_therm_init(struct nouveau_object *object)
aa1b9b48 MP	286	{
	287	struct nouveau_therm therm = (void )object;
	288	struct nouveau_therm_priv priv = (void )therm;
	289	int ret;
	290
	291	ret = nouveau_subdev_init(&therm->base);
	292	if (ret)
	293	return ret;
	294
4cc00ad1 MP	295	if (priv->suspend >= 0) {
	296	/* restore the pwm value only when on manual or auto mode */
	297	if (priv->suspend > 0)
	298	nouveau_therm_fan_set(therm, true, priv->fan->percent);
	299
ffb8ea8a	300	nouveau_therm_fan_mode(therm, priv->suspend);
4cc00ad1	301	}
c4a62a76 MP	302	nouveau_therm_sensor_init(therm);
c4a62a76 MP	303	nouveau_therm_fan_init(therm);
aa1b9b48 MP	304	return 0;
	305	}
	306
	307	int
5f066c32	308	_nouveau_therm_fini(struct nouveau_object *object, bool suspend)
aa1b9b48 MP	309	{
	310	struct nouveau_therm therm = (void )object;
	311	struct nouveau_therm_priv priv = (void )therm;
	312
c4a62a76 MP	313	nouveau_therm_fan_fini(therm, suspend);
c4a62a76 MP	314	nouveau_therm_sensor_fini(therm, suspend);
1a22274b BS	315	if (suspend) {
	316	priv->suspend = priv->mode;
	317	priv->mode = NOUVEAU_THERM_CTRL_NONE;
	318	}
aa1b9b48 MP	319
	320	return nouveau_subdev_fini(&therm->base, suspend);
	321	}
5f066c32 BS	322
	323	int
	324	nouveau_therm_create_(struct nouveau_object *parent,
	325	struct nouveau_object *engine,
	326	struct nouveau_oclass *oclass,
	327	int length, void **pobject)
	328	{
	329	struct nouveau_therm_priv *priv;
	330	int ret;
	331
	332	ret = nouveau_subdev_create_(parent, engine, oclass, 0, "PTHERM",
	333	"therm", length, pobject);
	334	priv = *pobject;
	335	if (ret)
	336	return ret;
	337
694472f4 MP	338	nouveau_alarm_init(&priv->alarm, nouveau_therm_alarm);
694472f4 MP	339	spin_lock_init(&priv->lock);
3969f05b	340	spin_lock_init(&priv->sensor.alarm_program_lock);
694472f4	341
5f066c32 BS	342	priv->base.fan_get = nouveau_therm_fan_user_get;
	343	priv->base.fan_set = nouveau_therm_fan_user_set;
	344	priv->base.fan_sense = nouveau_therm_fan_sense;
	345	priv->base.attr_get = nouveau_therm_attr_get;
	346	priv->base.attr_set = nouveau_therm_attr_set;
1a22274b	347	priv->mode = priv->suspend = -1; /* undefined */
5f066c32 BS	348	return 0;
5f066c32 BS	349	}
9c3bd3a5 BS	350
	351	int
	352	nouveau_therm_preinit(struct nouveau_therm *therm)
	353	{
9c3bd3a5	354	nouveau_therm_sensor_ctor(therm);
13506e2a	355	nouveau_therm_ic_ctor(therm);
9c3bd3a5	356	nouveau_therm_fan_ctor(therm);
1a22274b	357
c4ce9246	358	nouveau_therm_fan_mode(therm, NOUVEAU_THERM_CTRL_NONE);
0b3ee377	359	nouveau_therm_sensor_preinit(therm);
9c3bd3a5 BS	360	return 0;
	361	}
	362
	363	void
	364	_nouveau_therm_dtor(struct nouveau_object *object)
	365	{
	366	struct nouveau_therm_priv priv = (void )object;
	367	kfree(priv->fan);
	368	nouveau_subdev_destroy(&priv->base.base);
	369	}