[linux-2.6-block.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 immd = true;
	bool poll = true;
	int duty = -1;

	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 {
			if (priv->cstate)
				duty = priv->cstate;
			poll = false;
		}
		immd = false;
		break;
	case NOUVEAU_THERM_CTRL_NONE:
	default:
		ptimer->alarm_cancel(ptimer, &priv->alarm);
		poll = false;
	}

	if (list_empty(&priv->alarm.head) && poll)
		ptimer->alarm(ptimer, 1000000000ULL, &priv->alarm);
	spin_unlock_irqrestore(&priv->lock, flags);

	if (duty >= 0) {
		nv_debug(therm, "FAN target request: %d%%\n", duty);
		nouveau_therm_fan_set(therm, immd, duty);
	}
}

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 (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_AUTO);
	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;
682b1fc7	95	bool immd = true;
36faa2fc	96	bool poll = true;
682b1fc7	97	int duty = -1;
694472f4 MP	98
	99	spin_lock_irqsave(&priv->lock, flags);
	100	if (mode < 0)
	101	mode = priv->mode;
	102	priv->mode = mode;
	103
	104	switch (mode) {
1a22274b	105	case NOUVEAU_THERM_CTRL_MANUAL:
c4a62a76	106	ptimer->alarm_cancel(ptimer, &priv->alarm);
1a22274b BS	107	duty = nouveau_therm_fan_get(therm);
	108	if (duty < 0)
	109	duty = 100;
36faa2fc	110	poll = false;
694472f4	111	break;
1a22274b	112	case NOUVEAU_THERM_CTRL_AUTO:
36faa2fc	113	if (priv->fan->bios.nr_fan_trip) {
694472f4	114	duty = nouveau_therm_update_trip(therm);
36faa2fc BS	115	} else
	116	if (priv->fan->bios.linear_min_temp \|\|
	117	priv->fan->bios.linear_max_temp) {
694472f4	118	duty = nouveau_therm_update_linear(therm);
36faa2fc	119	} else {
09dacc7b BS	120	if (priv->cstate)
09dacc7b BS	121	duty = priv->cstate;
36faa2fc BS	122	poll = false;
36faa2fc BS	123	}
682b1fc7	124	immd = false;
694472f4	125	break;
1a22274b	126	case NOUVEAU_THERM_CTRL_NONE:
694472f4	127	default:
c4a62a76	128	ptimer->alarm_cancel(ptimer, &priv->alarm);
36faa2fc	129	poll = false;
694472f4 MP	130	}
694472f4 MP	131
36faa2fc	132	if (list_empty(&priv->alarm.head) && poll)
694472f4 MP	133	ptimer->alarm(ptimer, 1000000000ULL, &priv->alarm);
694472f4 MP	134	spin_unlock_irqrestore(&priv->lock, flags);
682b1fc7 BS	135
	136	if (duty >= 0) {
	137	nv_debug(therm, "FAN target request: %d%%\n", duty);
	138	nouveau_therm_fan_set(therm, immd, duty);
	139	}
694472f4 MP	140	}
694472f4 MP	141
6387e2cb BS	142	int
	143	nouveau_therm_cstate(struct nouveau_therm *ptherm, int fan, int dir)
	144	{
	145	struct nouveau_therm_priv priv = (void )ptherm;
	146	if (!dir \|\| (dir < 0 && fan < priv->cstate) \|\|
	147	(dir > 0 && fan > priv->cstate)) {
	148	nv_debug(ptherm, "default fan speed -> %d%%\n", fan);
	149	priv->cstate = fan;
	150	nouveau_therm_update(ptherm, -1);
	151	}
	152	return 0;
	153	}
	154
694472f4 MP	155	static void
	156	nouveau_therm_alarm(struct nouveau_alarm *alarm)
	157	{
	158	struct nouveau_therm_priv *priv =
	159	container_of(alarm, struct nouveau_therm_priv, alarm);
	160	nouveau_therm_update(&priv->base, -1);
	161	}
	162
0083b91d	163	int
c4ce9246	164	nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode)
694472f4 MP	165	{
694472f4 MP	166	struct nouveau_therm_priv priv = (void )therm;
1a22274b BS	167	struct nouveau_device *device = nv_device(therm);
	168	static const char *name[] = {
	169	"disabled",
	170	"manual",
	171	"automatic"
	172	};
694472f4	173
09b8d73b	174	/* The default PPWR ucode on fermi interferes with fan management */
1a22274b	175	if ((mode >= ARRAY_SIZE(name)) \|\|
09b8d73b BS	176	(mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0 &&
09b8d73b BS	177	!nouveau_subdev(device, NVDEV_SUBDEV_PWR)))
694472f4 MP	178	return -EINVAL;
694472f4 MP	179
98ee7c7c MP	180	/* do not allow automatic fan management if the thermal sensor is
98ee7c7c MP	181	* not available */
dcd9262b	182	if (mode == NOUVEAU_THERM_CTRL_AUTO && therm->temp_get(therm) < 0)
98ee7c7c MP	183	return -EINVAL;
98ee7c7c MP	184
1a22274b BS	185	if (priv->mode == mode)
1a22274b BS	186	return 0;
694472f4	187
c4ce9246	188	nv_info(therm, "fan management: %s\n", name[mode]);
694472f4 MP	189	nouveau_therm_update(therm, mode);
	190	return 0;
	191	}
	192
aa1b9b48 MP	193	int
	194	nouveau_therm_attr_get(struct nouveau_therm *therm,
	195	enum nouveau_therm_attr_type type)
	196	{
	197	struct nouveau_therm_priv priv = (void )therm;
	198
	199	switch (type) {
	200	case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
9c3bd3a5	201	return priv->fan->bios.min_duty;
aa1b9b48	202	case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
9c3bd3a5	203	return priv->fan->bios.max_duty;
2f951a5d	204	case NOUVEAU_THERM_ATTR_FAN_MODE:
694472f4	205	return priv->mode;
aa1b9b48 MP	206	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
	207	return priv->bios_sensor.thrs_fan_boost.temp;
	208	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
	209	return priv->bios_sensor.thrs_fan_boost.hysteresis;
	210	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
	211	return priv->bios_sensor.thrs_down_clock.temp;
	212	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
	213	return priv->bios_sensor.thrs_down_clock.hysteresis;
	214	case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
	215	return priv->bios_sensor.thrs_critical.temp;
	216	case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
	217	return priv->bios_sensor.thrs_critical.hysteresis;
	218	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
	219	return priv->bios_sensor.thrs_shutdown.temp;
	220	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
	221	return priv->bios_sensor.thrs_shutdown.hysteresis;
	222	}
	223
	224	return -EINVAL;
	225	}
	226
	227	int
	228	nouveau_therm_attr_set(struct nouveau_therm *therm,
	229	enum nouveau_therm_attr_type type, int value)
	230	{
	231	struct nouveau_therm_priv priv = (void )therm;
	232
	233	switch (type) {
	234	case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
	235	if (value < 0)
	236	value = 0;
9c3bd3a5 BS	237	if (value > priv->fan->bios.max_duty)
	238	value = priv->fan->bios.max_duty;
	239	priv->fan->bios.min_duty = value;
aa1b9b48 MP	240	return 0;
	241	case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
	242	if (value < 0)
	243	value = 0;
9c3bd3a5 BS	244	if (value < priv->fan->bios.min_duty)
	245	value = priv->fan->bios.min_duty;
	246	priv->fan->bios.max_duty = value;
aa1b9b48	247	return 0;
2f951a5d	248	case NOUVEAU_THERM_ATTR_FAN_MODE:
c4ce9246	249	return nouveau_therm_fan_mode(therm, value);
aa1b9b48 MP	250	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
aa1b9b48 MP	251	priv->bios_sensor.thrs_fan_boost.temp = value;
0083b91d	252	priv->sensor.program_alarms(therm);
aa1b9b48 MP	253	return 0;
	254	case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
	255	priv->bios_sensor.thrs_fan_boost.hysteresis = value;
0083b91d	256	priv->sensor.program_alarms(therm);
aa1b9b48 MP	257	return 0;
	258	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
	259	priv->bios_sensor.thrs_down_clock.temp = value;
0083b91d	260	priv->sensor.program_alarms(therm);
aa1b9b48 MP	261	return 0;
	262	case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
	263	priv->bios_sensor.thrs_down_clock.hysteresis = value;
0083b91d	264	priv->sensor.program_alarms(therm);
aa1b9b48 MP	265	return 0;
	266	case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
	267	priv->bios_sensor.thrs_critical.temp = value;
0083b91d	268	priv->sensor.program_alarms(therm);
aa1b9b48 MP	269	return 0;
	270	case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
	271	priv->bios_sensor.thrs_critical.hysteresis = value;
0083b91d	272	priv->sensor.program_alarms(therm);
aa1b9b48 MP	273	return 0;
	274	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
	275	priv->bios_sensor.thrs_shutdown.temp = value;
0083b91d	276	priv->sensor.program_alarms(therm);
aa1b9b48 MP	277	return 0;
	278	case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
	279	priv->bios_sensor.thrs_shutdown.hysteresis = value;
0083b91d	280	priv->sensor.program_alarms(therm);
aa1b9b48 MP	281	return 0;
	282	}
	283
	284	return -EINVAL;
	285	}
	286
	287	int
5f066c32	288	_nouveau_therm_init(struct nouveau_object *object)
aa1b9b48 MP	289	{
	290	struct nouveau_therm therm = (void )object;
	291	struct nouveau_therm_priv priv = (void )therm;
	292	int ret;
	293
	294	ret = nouveau_subdev_init(&therm->base);
	295	if (ret)
	296	return ret;
	297
4cc00ad1 MP	298	if (priv->suspend >= 0) {
	299	/* restore the pwm value only when on manual or auto mode */
	300	if (priv->suspend > 0)
	301	nouveau_therm_fan_set(therm, true, priv->fan->percent);
	302
ffb8ea8a	303	nouveau_therm_fan_mode(therm, priv->suspend);
4cc00ad1	304	}
c4a62a76 MP	305	nouveau_therm_sensor_init(therm);
c4a62a76 MP	306	nouveau_therm_fan_init(therm);
aa1b9b48 MP	307	return 0;
	308	}
	309
	310	int
5f066c32	311	_nouveau_therm_fini(struct nouveau_object *object, bool suspend)
aa1b9b48 MP	312	{
	313	struct nouveau_therm therm = (void )object;
	314	struct nouveau_therm_priv priv = (void )therm;
	315
c4a62a76 MP	316	nouveau_therm_fan_fini(therm, suspend);
c4a62a76 MP	317	nouveau_therm_sensor_fini(therm, suspend);
1a22274b BS	318	if (suspend) {
	319	priv->suspend = priv->mode;
	320	priv->mode = NOUVEAU_THERM_CTRL_NONE;
	321	}
aa1b9b48 MP	322
	323	return nouveau_subdev_fini(&therm->base, suspend);
	324	}
5f066c32 BS	325
	326	int
	327	nouveau_therm_create_(struct nouveau_object *parent,
	328	struct nouveau_object *engine,
	329	struct nouveau_oclass *oclass,
	330	int length, void **pobject)
	331	{
	332	struct nouveau_therm_priv *priv;
	333	int ret;
	334
	335	ret = nouveau_subdev_create_(parent, engine, oclass, 0, "PTHERM",
	336	"therm", length, pobject);
	337	priv = *pobject;
	338	if (ret)
	339	return ret;
	340
694472f4 MP	341	nouveau_alarm_init(&priv->alarm, nouveau_therm_alarm);
694472f4 MP	342	spin_lock_init(&priv->lock);
3969f05b	343	spin_lock_init(&priv->sensor.alarm_program_lock);
694472f4	344
5f066c32 BS	345	priv->base.fan_get = nouveau_therm_fan_user_get;
	346	priv->base.fan_set = nouveau_therm_fan_user_set;
	347	priv->base.fan_sense = nouveau_therm_fan_sense;
	348	priv->base.attr_get = nouveau_therm_attr_get;
	349	priv->base.attr_set = nouveau_therm_attr_set;
1a22274b	350	priv->mode = priv->suspend = -1; /* undefined */
5f066c32 BS	351	return 0;
5f066c32 BS	352	}
9c3bd3a5 BS	353
	354	int
	355	nouveau_therm_preinit(struct nouveau_therm *therm)
	356	{
9c3bd3a5	357	nouveau_therm_sensor_ctor(therm);
13506e2a	358	nouveau_therm_ic_ctor(therm);
9c3bd3a5	359	nouveau_therm_fan_ctor(therm);
1a22274b	360
208cf0b7	361	nouveau_therm_fan_mode(therm, NOUVEAU_THERM_CTRL_AUTO);
0b3ee377	362	nouveau_therm_sensor_preinit(therm);
9c3bd3a5 BS	363	return 0;
	364	}
	365
	366	void
	367	_nouveau_therm_dtor(struct nouveau_object *object)
	368	{
	369	struct nouveau_therm_priv priv = (void )object;
	370	kfree(priv->fan);
	371	nouveau_subdev_destroy(&priv->base.base);
	372	}