diff options
Diffstat (limited to 'nvkm/subdev/therm/nv84.c')
| -rw-r--r-- | nvkm/subdev/therm/nv84.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/nvkm/subdev/therm/nv84.c b/nvkm/subdev/therm/nv84.c deleted file mode 100644 index 14e2e09bf..000000000 --- a/nvkm/subdev/therm/nv84.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Copyright 2012 Red Hat Inc. - * - * 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: Ben Skeggs - * Martin Peres - */ - -#include "priv.h" -#include <subdev/fuse.h> - -struct nv84_therm_priv { - struct nouveau_therm_priv base; -}; - -int -nv84_temp_get(struct nouveau_therm *therm) -{ - struct nouveau_fuse *fuse = nouveau_fuse(therm); - - if (nv_ro32(fuse, 0x1a8) == 1) - return nv_rd32(therm, 0x20400); - else - return -ENODEV; -} - -void -nv84_sensor_setup(struct nouveau_therm *therm) -{ - struct nouveau_fuse *fuse = nouveau_fuse(therm); - - /* enable temperature reading for cards with insane defaults */ - if (nv_ro32(fuse, 0x1a8) == 1) { - nv_mask(therm, 0x20008, 0x80008000, 0x80000000); - nv_mask(therm, 0x2000c, 0x80000003, 0x00000000); - mdelay(20); /* wait for the temperature to stabilize */ - } -} - -static void -nv84_therm_program_alarms(struct nouveau_therm *therm) -{ - struct nouveau_therm_priv *priv = (void *)therm; - struct nvbios_therm_sensor *sensor = &priv->bios_sensor; - unsigned long flags; - - spin_lock_irqsave(&priv->sensor.alarm_program_lock, flags); - - /* enable RISING and FALLING IRQs for shutdown, THRS 0, 1, 2 and 4 */ - nv_wr32(therm, 0x20000, 0x000003ff); - - /* shutdown: The computer should be shutdown when reached */ - nv_wr32(therm, 0x20484, sensor->thrs_shutdown.hysteresis); - nv_wr32(therm, 0x20480, sensor->thrs_shutdown.temp); - - /* THRS_1 : fan boost*/ - nv_wr32(therm, 0x204c4, sensor->thrs_fan_boost.temp); - - /* THRS_2 : critical */ - nv_wr32(therm, 0x204c0, sensor->thrs_critical.temp); - - /* THRS_4 : down clock */ - nv_wr32(therm, 0x20414, sensor->thrs_down_clock.temp); - spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags); - - nv_debug(therm, - "Programmed thresholds [ %d(%d), %d(%d), %d(%d), %d(%d) ]\n", - sensor->thrs_fan_boost.temp, sensor->thrs_fan_boost.hysteresis, - sensor->thrs_down_clock.temp, - sensor->thrs_down_clock.hysteresis, - sensor->thrs_critical.temp, sensor->thrs_critical.hysteresis, - sensor->thrs_shutdown.temp, sensor->thrs_shutdown.hysteresis); - -} - -/* must be called with alarm_program_lock taken ! */ -static void -nv84_therm_threshold_hyst_emulation(struct nouveau_therm *therm, - uint32_t thrs_reg, u8 status_bit, - const struct nvbios_therm_threshold *thrs, - enum nouveau_therm_thrs thrs_name) -{ - enum nouveau_therm_thrs_direction direction; - enum nouveau_therm_thrs_state prev_state, new_state; - int temp, cur; - - prev_state = nouveau_therm_sensor_get_threshold_state(therm, thrs_name); - temp = nv_rd32(therm, thrs_reg); - - /* program the next threshold */ - if (temp == thrs->temp) { - nv_wr32(therm, thrs_reg, thrs->temp - thrs->hysteresis); - new_state = NOUVEAU_THERM_THRS_HIGHER; - } else { - nv_wr32(therm, thrs_reg, thrs->temp); - new_state = NOUVEAU_THERM_THRS_LOWER; - } - - /* fix the state (in case someone reprogrammed the alarms) */ - cur = therm->temp_get(therm); - if (new_state == NOUVEAU_THERM_THRS_LOWER && cur > thrs->temp) - new_state = NOUVEAU_THERM_THRS_HIGHER; - else if (new_state == NOUVEAU_THERM_THRS_HIGHER && - cur < thrs->temp - thrs->hysteresis) - new_state = NOUVEAU_THERM_THRS_LOWER; - nouveau_therm_sensor_set_threshold_state(therm, thrs_name, new_state); - - /* find the direction */ - if (prev_state < new_state) - direction = NOUVEAU_THERM_THRS_RISING; - else if (prev_state > new_state) - direction = NOUVEAU_THERM_THRS_FALLING; - else - return; - - /* advertise a change in direction */ - nouveau_therm_sensor_event(therm, thrs_name, direction); -} - -static void -nv84_therm_intr(struct nouveau_subdev *subdev) -{ - struct nouveau_therm *therm = nouveau_therm(subdev); - struct nouveau_therm_priv *priv = (void *)therm; - struct nvbios_therm_sensor *sensor = &priv->bios_sensor; - unsigned long flags; - uint32_t intr; - - spin_lock_irqsave(&priv->sensor.alarm_program_lock, flags); - - intr = nv_rd32(therm, 0x20100) & 0x3ff; - - /* THRS_4: downclock */ - if (intr & 0x002) { - nv84_therm_threshold_hyst_emulation(therm, 0x20414, 24, - &sensor->thrs_down_clock, - NOUVEAU_THERM_THRS_DOWNCLOCK); - intr &= ~0x002; - } - - /* shutdown */ - if (intr & 0x004) { - nv84_therm_threshold_hyst_emulation(therm, 0x20480, 20, - &sensor->thrs_shutdown, - NOUVEAU_THERM_THRS_SHUTDOWN); - intr &= ~0x004; - } - - /* THRS_1 : fan boost */ - if (intr & 0x008) { - nv84_therm_threshold_hyst_emulation(therm, 0x204c4, 21, - &sensor->thrs_fan_boost, - NOUVEAU_THERM_THRS_FANBOOST); - intr &= ~0x008; - } - - /* THRS_2 : critical */ - if (intr & 0x010) { - nv84_therm_threshold_hyst_emulation(therm, 0x204c0, 22, - &sensor->thrs_critical, - NOUVEAU_THERM_THRS_CRITICAL); - intr &= ~0x010; - } - - if (intr) - nv_error(therm, "unhandled intr 0x%08x\n", intr); - - /* ACK everything */ - nv_wr32(therm, 0x20100, 0xffffffff); - nv_wr32(therm, 0x1100, 0x10000); /* PBUS */ - - spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags); -} - -static int -nv84_therm_init(struct nouveau_object *object) -{ - struct nv84_therm_priv *priv = (void *)object; - int ret; - - ret = nouveau_therm_init(&priv->base.base); - if (ret) - return ret; - - nv84_sensor_setup(&priv->base.base); - - return 0; -} - -static int -nv84_therm_ctor(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nv84_therm_priv *priv; - int ret; - - ret = nouveau_therm_create(parent, engine, oclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - priv->base.base.pwm_ctrl = nv50_fan_pwm_ctrl; - priv->base.base.pwm_get = nv50_fan_pwm_get; - priv->base.base.pwm_set = nv50_fan_pwm_set; - priv->base.base.pwm_clock = nv50_fan_pwm_clock; - priv->base.base.temp_get = nv84_temp_get; - priv->base.sensor.program_alarms = nv84_therm_program_alarms; - nv_subdev(priv)->intr = nv84_therm_intr; - - /* init the thresholds */ - nouveau_therm_sensor_set_threshold_state(&priv->base.base, - NOUVEAU_THERM_THRS_SHUTDOWN, - NOUVEAU_THERM_THRS_LOWER); - nouveau_therm_sensor_set_threshold_state(&priv->base.base, - NOUVEAU_THERM_THRS_FANBOOST, - NOUVEAU_THERM_THRS_LOWER); - nouveau_therm_sensor_set_threshold_state(&priv->base.base, - NOUVEAU_THERM_THRS_CRITICAL, - NOUVEAU_THERM_THRS_LOWER); - nouveau_therm_sensor_set_threshold_state(&priv->base.base, - NOUVEAU_THERM_THRS_DOWNCLOCK, - NOUVEAU_THERM_THRS_LOWER); - - return nouveau_therm_preinit(&priv->base.base); -} - -int -nv84_therm_fini(struct nouveau_object *object, bool suspend) -{ - /* Disable PTherm IRQs */ - nv_wr32(object, 0x20000, 0x00000000); - - /* ACK all PTherm IRQs */ - nv_wr32(object, 0x20100, 0xffffffff); - nv_wr32(object, 0x1100, 0x10000); /* PBUS */ - - return _nouveau_therm_fini(object, suspend); -} - -struct nouveau_oclass -nv84_therm_oclass = { - .handle = NV_SUBDEV(THERM, 0x84), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv84_therm_ctor, - .dtor = _nouveau_therm_dtor, - .init = nv84_therm_init, - .fini = nv84_therm_fini, - }, -}; |