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drm/nva3/therm: add support for hardware fan tachometer

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-12-04 12:18:59 +10:00
parent d639b4f5ba
commit 7b49bd684c
5 changed files with 111 additions and 12 deletions
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1
drivers/gpu/drm/nouveau/Makefile
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@ -110,6 +110,7 @@ nouveau-y += core/subdev/therm/ic.o
nouveau-y += core/subdev/therm/temp.o
nouveau-y += core/subdev/therm/nv40.o
nouveau-y += core/subdev/therm/nv50.o
nouveau-y += core/subdev/therm/nva3.o
nouveau-y += core/subdev/therm/nvd0.o
nouveau-y += core/subdev/timer/base.o
nouveau-y += core/subdev/timer/nv04.o

1
drivers/gpu/drm/nouveau/core/include/subdev/therm.h
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@ -67,6 +67,7 @@ int _nouveau_therm_fini(struct nouveau_object *, bool);
extern struct nouveau_oclass nv40_therm_oclass;
extern struct nouveau_oclass nv50_therm_oclass;
extern struct nouveau_oclass nva3_therm_oclass;
extern struct nouveau_oclass nvd0_therm_oclass;
#endif

8
drivers/gpu/drm/nouveau/core/subdev/device/nv50.c
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@ -306,7 +306,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nva3_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
@ -332,7 +332,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nva3_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
@ -357,7 +357,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nva3_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;
@ -382,7 +382,7 @@ nv50_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nva3_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nv98_mc_oclass;

16
drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
View File

@ -59,7 +59,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
@ -87,7 +87,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
@ -115,7 +115,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
@ -143,7 +143,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
@ -171,7 +171,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
@ -199,7 +199,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
@ -227,7 +227,7 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_SUBDEV_GPIO ] = &nv50_gpio_oclass;
device->oclass[NVDEV_SUBDEV_I2C ] = &nouveau_i2c_oclass;
device->oclass[NVDEV_SUBDEV_CLOCK ] = &nvc0_clock_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nv50_therm_oclass;
device->oclass[NVDEV_SUBDEV_THERM ] = &nva3_therm_oclass;
device->oclass[NVDEV_SUBDEV_MXM ] = &nv50_mxm_oclass;
device->oclass[NVDEV_SUBDEV_DEVINIT] = &nv50_devinit_oclass;
device->oclass[NVDEV_SUBDEV_MC ] = &nvc0_mc_oclass;
@ -282,4 +282,4 @@ nvc0_identify(struct nouveau_device *device)
}
return 0;
}
}

97
drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c Normal file
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@ -0,0 +1,97 @@
/*
* 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
*/
#include <subdev/gpio.h>
#include "priv.h"
struct nva3_therm_priv {
struct nouveau_therm_priv base;
};
static int
nva3_therm_fan_sense(struct nouveau_therm *therm)
{
u32 tach = nv_rd32(therm, 0x00e728) & 0x0000ffff;
u32 ctrl = nv_rd32(therm, 0x00e720);
if (ctrl & 0x00000001)
return tach * 60;
return -ENODEV;
}
static int
nva3_therm_init(struct nouveau_object *object)
{
struct nva3_therm_priv *priv = (void *)object;
struct dcb_gpio_func *tach = &priv->base.fan.tach;
int ret;
ret = nouveau_therm_init(&priv->base.base);
if (ret)
return ret;
/* enable fan tach, count revolutions per-second */
nv_mask(priv, 0x00e720, 0x00000003, 0x00000002);
if (tach->func != DCB_GPIO_UNUSED) {
nv_wr32(priv, 0x00e724, nv_device(priv)->crystal * 1000);
nv_mask(priv, 0x00e720, 0x001f0000, tach->line << 16);
nv_mask(priv, 0x00e720, 0x00000001, 0x00000001);
}
nv_mask(priv, 0x00e720, 0x00000002, 0x00000000);
return 0;
}
static int
nva3_therm_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nva3_therm_priv *priv;
int ret;
ret = nouveau_therm_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
priv->base.fan.pwm_get = nv50_fan_pwm_get;
priv->base.fan.pwm_set = nv50_fan_pwm_set;
priv->base.fan.pwm_clock = nv50_fan_pwm_clock;
priv->base.base.temp_get = nv50_temp_get;
priv->base.base.fan_sense = nva3_therm_fan_sense;
return 0;
}
struct nouveau_oclass
nva3_therm_oclass = {
.handle = NV_SUBDEV(THERM, 0xa3),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nva3_therm_ctor,
.dtor = _nouveau_therm_dtor,
.init = nva3_therm_init,
.fini = _nouveau_therm_fini,
},
};