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_fan_ctor(struct nouveau_therm *therm)
{
struct nouveau_therm_priv *priv = (void *)therm;
struct nouveau_gpio *gpio = nouveau_gpio(therm);
struct nouveau_bios *bios = nouveau_bios(therm);
struct dcb_gpio_func func;
int ret;
/* attempt to locate a drivable fan, and determine control method */
ret = gpio->find(gpio, 0, DCB_GPIO_FAN, 0xff, &func);
if (ret == 0) {
/* FIXME: is this really the place to perform such checks ? */
if (func.line != 16 && func.log[0] & DCB_GPIO_LOG_DIR_IN) {
nv_debug(therm, "GPIO_FAN is in input mode\n");
ret = -EINVAL;
} else {
ret = nouveau_fanpwm_create(therm, &func);
if (ret != 0)
ret = nouveau_fantog_create(therm, &func);
}
}
/* no controllable fan found, create a dummy fan module */
if (ret != 0) {
ret = nouveau_fannil_create(therm);
if (ret)
return ret;
}
nv_info(therm, "FAN control: %s\n", priv->fan->type);
/* read the current speed, it is useful when resuming */
priv->fan->percent = nouveau_therm_fan_get(therm);
/* attempt to detect a tachometer connection */
ret = gpio->find(gpio, 0, DCB_GPIO_FAN_SENSE, 0xff, &priv->fan->tach);
if (ret)
priv->fan->tach.func = DCB_GPIO_UNUSED;
/* initialise fan bump/slow update handling */
priv->fan->parent = therm;
nouveau_alarm_init(&priv->fan->alarm, nouveau_fan_alarm);
spin_lock_init(&priv->fan->lock);
/* other random init... */
nouveau_therm_fan_set_defaults(therm);
nvbios_perf_fan_parse(bios, &priv->fan->perf);
if (!nvbios_fan_parse(bios, &priv->fan->bios)) {
nv_debug(therm, "parsing the fan table failed\n");
if (nvbios_therm_fan_parse(bios, &priv->fan->bios))
nv_error(therm, "parsing both fan tables failed\n");
}
nouveau_therm_fan_safety_checks(therm);
return 0;
}
int
nouveau_therm_sensor_ctor(struct nouveau_therm *therm)
{
struct nouveau_therm_priv *priv = (void *)therm;
struct nouveau_bios *bios = nouveau_bios(therm);
nouveau_alarm_init(&priv->sensor.therm_poll_alarm, alarm_timer_callback);
nouveau_therm_temp_set_defaults(therm);
if (nvbios_therm_sensor_parse(bios, NVBIOS_THERM_DOMAIN_CORE,
&priv->bios_sensor))
nv_error(therm, "nvbios_therm_sensor_parse failed\n");
nouveau_therm_temp_safety_checks(therm);
return 0;
}