From: Ben Skeggs Date: Tue, 4 Dec 2012 02:18:59 +0000 (+1000) Subject: drm/nva3/therm: add support for hardware fan tachometer X-Git-Tag: firefly_0821_release~3680^2~1036^2~10^2~83 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7b49bd684cea3916405e1de2f8173ac42cebc87b;p=firefly-linux-kernel-4.4.55.git drm/nva3/therm: add support for hardware fan tachometer Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index 26e0d56e45d9..7938d1a9ddd3 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -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 diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/therm.h b/drivers/gpu/drm/nouveau/core/include/subdev/therm.h index 2a48bff51837..a96d43ad972b 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/therm.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/therm.h @@ -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 diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c index 6ccfd8585ba2..940c4012f3e4 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c @@ -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; diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c index c189a12bf206..005d0b61d2be 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c @@ -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; -} + } diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c new file mode 100644 index 000000000000..f4738082f358 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c @@ -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 + +#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, + }, +};