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authorMark Brown <broonie@kernel.org>2015-10-12 18:09:27 +0100
committerMark Brown <broonie@kernel.org>2015-10-12 18:09:27 +0100
commit79828b4fa835f73cdaf4bffa48696abdcbea9d02 (patch)
tree5e0fa7156acb75ba603022bc807df8f2fedb97a8 /drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c
parent721b51fcf91898299d96f4b72cb9434cda29dce6 (diff)
parent8c1a9d6323abf0fb1e5dad96cf3f1c783505ea5a (diff)
Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c117
1 files changed, 57 insertions, 60 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c
index 434fa745ca40..91198d79393a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c
@@ -32,8 +32,8 @@ static int
nvkm_fan_update(struct nvkm_fan *fan, bool immediate, int target)
{
struct nvkm_therm *therm = fan->parent;
- struct nvkm_therm_priv *priv = (void *)therm;
- struct nvkm_timer *ptimer = nvkm_timer(priv);
+ struct nvkm_subdev *subdev = &therm->subdev;
+ struct nvkm_timer *tmr = subdev->device->timer;
unsigned long flags;
int ret = 0;
int duty;
@@ -45,7 +45,7 @@ nvkm_fan_update(struct nvkm_fan *fan, bool immediate, int target)
target = max_t(u8, target, fan->bios.min_duty);
target = min_t(u8, target, fan->bios.max_duty);
if (fan->percent != target) {
- nv_debug(therm, "FAN target: %d\n", target);
+ nvkm_debug(subdev, "FAN target: %d\n", target);
fan->percent = target;
}
@@ -70,7 +70,7 @@ nvkm_fan_update(struct nvkm_fan *fan, bool immediate, int target)
duty = target;
}
- nv_debug(therm, "FAN update: %d\n", duty);
+ nvkm_debug(subdev, "FAN update: %d\n", duty);
ret = fan->set(therm, duty);
if (ret) {
spin_unlock_irqrestore(&fan->lock, flags);
@@ -95,7 +95,7 @@ nvkm_fan_update(struct nvkm_fan *fan, bool immediate, int target)
else
delay = bump_period;
- ptimer->alarm(ptimer, delay * 1000 * 1000, &fan->alarm);
+ nvkm_timer_alarm(tmr, delay * 1000 * 1000, &fan->alarm);
}
return ret;
@@ -111,48 +111,51 @@ nvkm_fan_alarm(struct nvkm_alarm *alarm)
int
nvkm_therm_fan_get(struct nvkm_therm *therm)
{
- struct nvkm_therm_priv *priv = (void *)therm;
- return priv->fan->get(therm);
+ return therm->fan->get(therm);
}
int
nvkm_therm_fan_set(struct nvkm_therm *therm, bool immediate, int percent)
{
- struct nvkm_therm_priv *priv = (void *)therm;
- return nvkm_fan_update(priv->fan, immediate, percent);
+ return nvkm_fan_update(therm->fan, immediate, percent);
}
int
nvkm_therm_fan_sense(struct nvkm_therm *therm)
{
- struct nvkm_therm_priv *priv = (void *)therm;
- struct nvkm_timer *ptimer = nvkm_timer(therm);
- struct nvkm_gpio *gpio = nvkm_gpio(therm);
+ struct nvkm_device *device = therm->subdev.device;
+ struct nvkm_timer *tmr = device->timer;
+ struct nvkm_gpio *gpio = device->gpio;
u32 cycles, cur, prev;
u64 start, end, tach;
- if (priv->fan->tach.func == DCB_GPIO_UNUSED)
+ if (therm->func->fan_sense)
+ return therm->func->fan_sense(therm);
+
+ if (therm->fan->tach.func == DCB_GPIO_UNUSED)
return -ENODEV;
/* Time a complete rotation and extrapolate to RPM:
* When the fan spins, it changes the value of GPIO FAN_SENSE.
* We get 4 changes (0 -> 1 -> 0 -> 1) per complete rotation.
*/
- start = ptimer->read(ptimer);
- prev = gpio->get(gpio, 0, priv->fan->tach.func, priv->fan->tach.line);
+ start = nvkm_timer_read(tmr);
+ prev = nvkm_gpio_get(gpio, 0, therm->fan->tach.func,
+ therm->fan->tach.line);
cycles = 0;
do {
usleep_range(500, 1000); /* supports 0 < rpm < 7500 */
- cur = gpio->get(gpio, 0, priv->fan->tach.func, priv->fan->tach.line);
+ cur = nvkm_gpio_get(gpio, 0, therm->fan->tach.func,
+ therm->fan->tach.line);
if (prev != cur) {
if (!start)
- start = ptimer->read(ptimer);
+ start = nvkm_timer_read(tmr);
cycles++;
prev = cur;
}
- } while (cycles < 5 && ptimer->read(ptimer) - start < 250000000);
- end = ptimer->read(ptimer);
+ } while (cycles < 5 && nvkm_timer_read(tmr) - start < 250000000);
+ end = nvkm_timer_read(tmr);
if (cycles == 5) {
tach = (u64)60000000000ULL;
@@ -171,9 +174,7 @@ nvkm_therm_fan_user_get(struct nvkm_therm *therm)
int
nvkm_therm_fan_user_set(struct nvkm_therm *therm, int percent)
{
- struct nvkm_therm_priv *priv = (void *)therm;
-
- if (priv->mode != NVKM_THERM_CTRL_MANUAL)
+ if (therm->mode != NVKM_THERM_CTRL_MANUAL)
return -EINVAL;
return nvkm_therm_fan_set(therm, true, percent);
@@ -182,29 +183,25 @@ nvkm_therm_fan_user_set(struct nvkm_therm *therm, int percent)
static void
nvkm_therm_fan_set_defaults(struct nvkm_therm *therm)
{
- struct nvkm_therm_priv *priv = (void *)therm;
-
- priv->fan->bios.pwm_freq = 0;
- priv->fan->bios.min_duty = 0;
- priv->fan->bios.max_duty = 100;
- priv->fan->bios.bump_period = 500;
- priv->fan->bios.slow_down_period = 2000;
- priv->fan->bios.linear_min_temp = 40;
- priv->fan->bios.linear_max_temp = 85;
+ therm->fan->bios.pwm_freq = 0;
+ therm->fan->bios.min_duty = 0;
+ therm->fan->bios.max_duty = 100;
+ therm->fan->bios.bump_period = 500;
+ therm->fan->bios.slow_down_period = 2000;
+ therm->fan->bios.linear_min_temp = 40;
+ therm->fan->bios.linear_max_temp = 85;
}
static void
nvkm_therm_fan_safety_checks(struct nvkm_therm *therm)
{
- struct nvkm_therm_priv *priv = (void *)therm;
+ if (therm->fan->bios.min_duty > 100)
+ therm->fan->bios.min_duty = 100;
+ if (therm->fan->bios.max_duty > 100)
+ therm->fan->bios.max_duty = 100;
- if (priv->fan->bios.min_duty > 100)
- priv->fan->bios.min_duty = 100;
- if (priv->fan->bios.max_duty > 100)
- priv->fan->bios.max_duty = 100;
-
- if (priv->fan->bios.min_duty > priv->fan->bios.max_duty)
- priv->fan->bios.min_duty = priv->fan->bios.max_duty;
+ if (therm->fan->bios.min_duty > therm->fan->bios.max_duty)
+ therm->fan->bios.min_duty = therm->fan->bios.max_duty;
}
int
@@ -216,29 +213,28 @@ nvkm_therm_fan_init(struct nvkm_therm *therm)
int
nvkm_therm_fan_fini(struct nvkm_therm *therm, bool suspend)
{
- struct nvkm_therm_priv *priv = (void *)therm;
- struct nvkm_timer *ptimer = nvkm_timer(therm);
-
+ struct nvkm_timer *tmr = therm->subdev.device->timer;
if (suspend)
- ptimer->alarm_cancel(ptimer, &priv->fan->alarm);
+ nvkm_timer_alarm_cancel(tmr, &therm->fan->alarm);
return 0;
}
int
nvkm_therm_fan_ctor(struct nvkm_therm *therm)
{
- struct nvkm_therm_priv *priv = (void *)therm;
- struct nvkm_gpio *gpio = nvkm_gpio(therm);
- struct nvkm_bios *bios = nvkm_bios(therm);
+ struct nvkm_subdev *subdev = &therm->subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_gpio *gpio = device->gpio;
+ struct nvkm_bios *bios = device->bios;
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);
+ ret = nvkm_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");
+ nvkm_debug(subdev, "GPIO_FAN is in input mode\n");
ret = -EINVAL;
} else {
ret = nvkm_fanpwm_create(therm, &func);
@@ -254,28 +250,29 @@ nvkm_therm_fan_ctor(struct nvkm_therm *therm)
return ret;
}
- nv_info(therm, "FAN control: %s\n", priv->fan->type);
+ nvkm_debug(subdev, "FAN control: %s\n", therm->fan->type);
/* read the current speed, it is useful when resuming */
- priv->fan->percent = nvkm_therm_fan_get(therm);
+ therm->fan->percent = nvkm_therm_fan_get(therm);
/* attempt to detect a tachometer connection */
- ret = gpio->find(gpio, 0, DCB_GPIO_FAN_SENSE, 0xff, &priv->fan->tach);
+ ret = nvkm_gpio_find(gpio, 0, DCB_GPIO_FAN_SENSE, 0xff,
+ &therm->fan->tach);
if (ret)
- priv->fan->tach.func = DCB_GPIO_UNUSED;
+ therm->fan->tach.func = DCB_GPIO_UNUSED;
/* initialise fan bump/slow update handling */
- priv->fan->parent = therm;
- nvkm_alarm_init(&priv->fan->alarm, nvkm_fan_alarm);
- spin_lock_init(&priv->fan->lock);
+ therm->fan->parent = therm;
+ nvkm_alarm_init(&therm->fan->alarm, nvkm_fan_alarm);
+ spin_lock_init(&therm->fan->lock);
/* other random init... */
nvkm_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");
+ nvbios_perf_fan_parse(bios, &therm->fan->perf);
+ if (!nvbios_fan_parse(bios, &therm->fan->bios)) {
+ nvkm_debug(subdev, "parsing the fan table failed\n");
+ if (nvbios_therm_fan_parse(bios, &therm->fan->bios))
+ nvkm_error(subdev, "parsing both fan tables failed\n");
}
nvkm_therm_fan_safety_checks(therm);
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-03-24 21:10:03 +0000