diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c | 117 |
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; |