diff options
Diffstat (limited to 'nvkm/subdev/therm/nv40.c')
| -rw-r--r-- | nvkm/subdev/therm/nv40.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/nvkm/subdev/therm/nv40.c b/nvkm/subdev/therm/nv40.c deleted file mode 100644 index 002e51b3a..000000000 --- a/nvkm/subdev/therm/nv40.c +++ /dev/null @@ -1,224 +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 nv40_therm_priv { - struct nouveau_therm_priv base; -}; - -enum nv40_sensor_style { INVALID_STYLE = -1, OLD_STYLE = 0, NEW_STYLE = 1 }; - -static enum nv40_sensor_style -nv40_sensor_style(struct nouveau_therm *therm) -{ - struct nouveau_device *device = nv_device(therm); - - switch (device->chipset) { - case 0x43: - case 0x44: - case 0x4a: - case 0x47: - return OLD_STYLE; - - case 0x46: - case 0x49: - case 0x4b: - case 0x4e: - case 0x4c: - case 0x67: - case 0x68: - case 0x63: - return NEW_STYLE; - default: - return INVALID_STYLE; - } -} - -static int -nv40_sensor_setup(struct nouveau_therm *therm) -{ - enum nv40_sensor_style style = nv40_sensor_style(therm); - - /* enable ADC readout and disable the ALARM threshold */ - if (style == NEW_STYLE) { - nv_mask(therm, 0x15b8, 0x80000000, 0); - nv_wr32(therm, 0x15b0, 0x80003fff); - mdelay(20); /* wait for the temperature to stabilize */ - return nv_rd32(therm, 0x15b4) & 0x3fff; - } else if (style == OLD_STYLE) { - nv_wr32(therm, 0x15b0, 0xff); - mdelay(20); /* wait for the temperature to stabilize */ - return nv_rd32(therm, 0x15b4) & 0xff; - } else - return -ENODEV; -} - -static int -nv40_temp_get(struct nouveau_therm *therm) -{ - struct nouveau_therm_priv *priv = (void *)therm; - struct nvbios_therm_sensor *sensor = &priv->bios_sensor; - enum nv40_sensor_style style = nv40_sensor_style(therm); - int core_temp; - - if (style == NEW_STYLE) { - nv_wr32(therm, 0x15b0, 0x80003fff); - core_temp = nv_rd32(therm, 0x15b4) & 0x3fff; - } else if (style == OLD_STYLE) { - nv_wr32(therm, 0x15b0, 0xff); - core_temp = nv_rd32(therm, 0x15b4) & 0xff; - } else - return -ENODEV; - - /* 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 -nv40_fan_pwm_ctrl(struct nouveau_therm *therm, int line, bool enable) -{ - u32 mask = enable ? 0x80000000 : 0x0000000; - if (line == 2) nv_mask(therm, 0x0010f0, 0x80000000, mask); - else if (line == 9) nv_mask(therm, 0x0015f4, 0x80000000, mask); - else { - nv_error(therm, "unknown pwm ctrl for gpio %d\n", line); - return -ENODEV; - } - return 0; -} - -static int -nv40_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty) -{ - if (line == 2) { - u32 reg = nv_rd32(therm, 0x0010f0); - if (reg & 0x80000000) { - *duty = (reg & 0x7fff0000) >> 16; - *divs = (reg & 0x00007fff); - return 0; - } - } else - if (line == 9) { - u32 reg = nv_rd32(therm, 0x0015f4); - if (reg & 0x80000000) { - *divs = nv_rd32(therm, 0x0015f8); - *duty = (reg & 0x7fffffff); - return 0; - } - } else { - nv_error(therm, "unknown pwm ctrl for gpio %d\n", line); - return -ENODEV; - } - - return -EINVAL; -} - -static int -nv40_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty) -{ - if (line == 2) { - nv_mask(therm, 0x0010f0, 0x7fff7fff, (duty << 16) | divs); - } else - if (line == 9) { - nv_wr32(therm, 0x0015f8, divs); - nv_mask(therm, 0x0015f4, 0x7fffffff, duty); - } else { - nv_error(therm, "unknown pwm ctrl for gpio %d\n", line); - return -ENODEV; - } - - return 0; -} - -void -nv40_therm_intr(struct nouveau_subdev *subdev) -{ - struct nouveau_therm *therm = nouveau_therm(subdev); - uint32_t stat = nv_rd32(therm, 0x1100); - - /* traitement */ - - /* ack all IRQs */ - nv_wr32(therm, 0x1100, 0x70000); - - nv_error(therm, "THERM received an IRQ: stat = %x\n", stat); -} - -static int -nv40_therm_ctor(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nv40_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 = nv40_fan_pwm_ctrl; - priv->base.base.pwm_get = nv40_fan_pwm_get; - priv->base.base.pwm_set = nv40_fan_pwm_set; - priv->base.base.temp_get = nv40_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 -nv40_therm_init(struct nouveau_object *object) -{ - struct nouveau_therm *therm = (void *)object; - - nv40_sensor_setup(therm); - - return _nouveau_therm_init(object); -} - -struct nouveau_oclass -nv40_therm_oclass = { - .handle = NV_SUBDEV(THERM, 0x40), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv40_therm_ctor, - .dtor = _nouveau_therm_dtor, - .init = nv40_therm_init, - .fini = _nouveau_therm_fini, - }, -}; |