diff options
Diffstat (limited to 'nvkm/subdev/therm/nv50.c')
-rw-r--r-- | nvkm/subdev/therm/nv50.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/nvkm/subdev/therm/nv50.c b/nvkm/subdev/therm/nv50.c deleted file mode 100644 index 321db927d..000000000 --- a/nvkm/subdev/therm/nv50.c +++ /dev/null @@ -1,197 +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" - -struct nv50_therm_priv { - struct nouveau_therm_priv base; -}; - -static int -pwm_info(struct nouveau_therm *therm, int *line, int *ctrl, int *indx) -{ - if (*line == 0x04) { - *ctrl = 0x00e100; - *line = 4; - *indx = 0; - } else - if (*line == 0x09) { - *ctrl = 0x00e100; - *line = 9; - *indx = 1; - } else - if (*line == 0x10) { - *ctrl = 0x00e28c; - *line = 0; - *indx = 0; - } else { - nv_error(therm, "unknown pwm ctrl for gpio %d\n", *line); - return -ENODEV; - } - - return 0; -} - -int -nv50_fan_pwm_ctrl(struct nouveau_therm *therm, int line, bool enable) -{ - u32 data = enable ? 0x00000001 : 0x00000000; - int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id); - if (ret == 0) - nv_mask(therm, ctrl, 0x00010001 << line, data << line); - return ret; -} - -int -nv50_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty) -{ - int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id); - if (ret) - return ret; - - if (nv_rd32(therm, ctrl) & (1 << line)) { - *divs = nv_rd32(therm, 0x00e114 + (id * 8)); - *duty = nv_rd32(therm, 0x00e118 + (id * 8)); - return 0; - } - - return -EINVAL; -} - -int -nv50_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty) -{ - int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id); - if (ret) - return ret; - - nv_wr32(therm, 0x00e114 + (id * 8), divs); - nv_wr32(therm, 0x00e118 + (id * 8), duty | 0x80000000); - return 0; -} - -int -nv50_fan_pwm_clock(struct nouveau_therm *therm, int line) -{ - int chipset = nv_device(therm)->chipset; - int crystal = nv_device(therm)->crystal; - int pwm_clock; - - /* determine the PWM source clock */ - if (chipset > 0x50 && chipset < 0x94) { - u8 pwm_div = nv_rd32(therm, 0x410c); - if (nv_rd32(therm, 0xc040) & 0x800000) { - /* Use the HOST clock (100 MHz) - * Where does this constant(2.4) comes from? */ - pwm_clock = (100000000 >> pwm_div) * 10 / 24; - } else { - /* Where does this constant(20) comes from? */ - pwm_clock = (crystal * 1000) >> pwm_div; - pwm_clock /= 20; - } - } else { - pwm_clock = (crystal * 1000) / 20; - } - - return pwm_clock; -} - -static void -nv50_sensor_setup(struct nouveau_therm *therm) -{ - nv_mask(therm, 0x20010, 0x40000000, 0x0); - mdelay(20); /* wait for the temperature to stabilize */ -} - -static int -nv50_temp_get(struct nouveau_therm *therm) -{ - struct nouveau_therm_priv *priv = (void *)therm; - struct nvbios_therm_sensor *sensor = &priv->bios_sensor; - int core_temp; - - core_temp = nv_rd32(therm, 0x20014) & 0x3fff; - - /* if the slope or the offset is unset, do no use the sensor */ - if (!sensor->slope_div || !sensor->slope_mult || - !sensor->offset_num || !sensor->offset_den) - return -ENODEV; - - core_temp = core_temp * sensor->slope_mult / sensor->slope_div; - core_temp = core_temp + sensor->offset_num / sensor->offset_den; - core_temp = core_temp + sensor->offset_constant - 8; - - /* reserve negative temperatures for errors */ - if (core_temp < 0) - core_temp = 0; - - return core_temp; -} - -static int -nv50_therm_ctor(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nv50_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 = nv50_temp_get; - priv->base.sensor.program_alarms = nouveau_therm_program_alarms_polling; - nv_subdev(priv)->intr = nv40_therm_intr; - - return nouveau_therm_preinit(&priv->base.base); -} - -static int -nv50_therm_init(struct nouveau_object *object) -{ - struct nouveau_therm *therm = (void *)object; - - nv50_sensor_setup(therm); - - return _nouveau_therm_init(object); -} - -struct nouveau_oclass -nv50_therm_oclass = { - .handle = NV_SUBDEV(THERM, 0x50), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv50_therm_ctor, - .dtor = _nouveau_therm_dtor, - .init = nv50_therm_init, - .fini = _nouveau_therm_fini, - }, -}; |