mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 08:59:47 +07:00
5e90a88cb3
From browsing my /sys, a few other things seem to do this, and it looks cleaner this way too :) Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
1157 lines
31 KiB
C
1157 lines
31 KiB
C
/*
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* Copyright 2010 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#ifdef CONFIG_ACPI
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#include <linux/acpi.h>
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#endif
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#include <linux/power_supply.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-sysfs.h>
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#include <drm/drmP.h>
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#include "nouveau_drm.h"
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#include "nouveau_pm.h"
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#include <subdev/gpio.h>
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#include <subdev/timer.h>
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#include <subdev/therm.h>
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MODULE_PARM_DESC(perflvl, "Performance level (default: boot)");
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static char *nouveau_perflvl;
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module_param_named(perflvl, nouveau_perflvl, charp, 0400);
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MODULE_PARM_DESC(perflvl_wr, "Allow perflvl changes (warning: dangerous!)");
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static int nouveau_perflvl_wr;
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module_param_named(perflvl_wr, nouveau_perflvl_wr, int, 0400);
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static int
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nouveau_pm_perflvl_aux(struct drm_device *dev, struct nouveau_pm_level *perflvl,
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struct nouveau_pm_level *a, struct nouveau_pm_level *b)
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{
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_pm *pm = nouveau_pm(dev);
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struct nouveau_therm *therm = nouveau_therm(drm->device);
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int ret;
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/*XXX: not on all boards, we should control based on temperature
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* on recent boards.. or maybe on some other factor we don't
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* know about?
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*/
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if (therm && therm->fan_set &&
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a->fanspeed && b->fanspeed && b->fanspeed > a->fanspeed) {
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ret = therm->fan_set(therm, perflvl->fanspeed);
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if (ret && ret != -ENODEV) {
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NV_ERROR(drm, "fanspeed set failed: %d\n", ret);
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}
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}
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if (pm->voltage.supported && pm->voltage_set) {
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if (perflvl->volt_min && b->volt_min > a->volt_min) {
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ret = pm->voltage_set(dev, perflvl->volt_min);
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if (ret) {
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NV_ERROR(drm, "voltage set failed: %d\n", ret);
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return ret;
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}
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}
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}
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return 0;
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}
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static int
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nouveau_pm_perflvl_set(struct drm_device *dev, struct nouveau_pm_level *perflvl)
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{
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struct nouveau_pm *pm = nouveau_pm(dev);
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void *state;
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int ret;
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if (perflvl == pm->cur)
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return 0;
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ret = nouveau_pm_perflvl_aux(dev, perflvl, pm->cur, perflvl);
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if (ret)
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return ret;
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state = pm->clocks_pre(dev, perflvl);
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if (IS_ERR(state)) {
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ret = PTR_ERR(state);
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goto error;
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}
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ret = pm->clocks_set(dev, state);
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if (ret)
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goto error;
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ret = nouveau_pm_perflvl_aux(dev, perflvl, perflvl, pm->cur);
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if (ret)
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return ret;
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pm->cur = perflvl;
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return 0;
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error:
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/* restore the fan speed and voltage before leaving */
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nouveau_pm_perflvl_aux(dev, perflvl, perflvl, pm->cur);
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return ret;
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}
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void
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nouveau_pm_trigger(struct drm_device *dev)
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{
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_timer *ptimer = nouveau_timer(drm->device);
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struct nouveau_pm *pm = nouveau_pm(dev);
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struct nouveau_pm_profile *profile = NULL;
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struct nouveau_pm_level *perflvl = NULL;
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int ret;
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/* select power profile based on current power source */
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if (power_supply_is_system_supplied())
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profile = pm->profile_ac;
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else
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profile = pm->profile_dc;
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if (profile != pm->profile) {
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pm->profile->func->fini(pm->profile);
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pm->profile = profile;
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pm->profile->func->init(pm->profile);
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}
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/* select performance level based on profile */
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perflvl = profile->func->select(profile);
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/* change perflvl, if necessary */
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if (perflvl != pm->cur) {
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u64 time0 = ptimer->read(ptimer);
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NV_INFO(drm, "setting performance level: %d", perflvl->id);
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ret = nouveau_pm_perflvl_set(dev, perflvl);
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if (ret)
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NV_INFO(drm, "> reclocking failed: %d\n\n", ret);
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NV_INFO(drm, "> reclocking took %lluns\n\n",
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ptimer->read(ptimer) - time0);
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}
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}
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static struct nouveau_pm_profile *
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profile_find(struct drm_device *dev, const char *string)
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{
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struct nouveau_pm *pm = nouveau_pm(dev);
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struct nouveau_pm_profile *profile;
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list_for_each_entry(profile, &pm->profiles, head) {
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if (!strncmp(profile->name, string, sizeof(profile->name)))
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return profile;
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}
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return NULL;
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}
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static int
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nouveau_pm_profile_set(struct drm_device *dev, const char *profile)
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{
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struct nouveau_pm *pm = nouveau_pm(dev);
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struct nouveau_pm_profile *ac = NULL, *dc = NULL;
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char string[16], *cur = string, *ptr;
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/* safety precaution, for now */
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if (nouveau_perflvl_wr != 7777)
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return -EPERM;
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strncpy(string, profile, sizeof(string));
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string[sizeof(string) - 1] = 0;
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if ((ptr = strchr(string, '\n')))
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*ptr = '\0';
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ptr = strsep(&cur, ",");
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if (ptr)
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ac = profile_find(dev, ptr);
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ptr = strsep(&cur, ",");
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if (ptr)
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dc = profile_find(dev, ptr);
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else
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dc = ac;
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if (ac == NULL || dc == NULL)
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return -EINVAL;
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pm->profile_ac = ac;
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pm->profile_dc = dc;
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nouveau_pm_trigger(dev);
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return 0;
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}
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static void
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nouveau_pm_static_dummy(struct nouveau_pm_profile *profile)
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{
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}
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static struct nouveau_pm_level *
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nouveau_pm_static_select(struct nouveau_pm_profile *profile)
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{
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return container_of(profile, struct nouveau_pm_level, profile);
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}
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const struct nouveau_pm_profile_func nouveau_pm_static_profile_func = {
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.destroy = nouveau_pm_static_dummy,
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.init = nouveau_pm_static_dummy,
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.fini = nouveau_pm_static_dummy,
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.select = nouveau_pm_static_select,
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};
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static int
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nouveau_pm_perflvl_get(struct drm_device *dev, struct nouveau_pm_level *perflvl)
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{
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_pm *pm = nouveau_pm(dev);
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struct nouveau_therm *therm = nouveau_therm(drm->device);
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int ret;
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memset(perflvl, 0, sizeof(*perflvl));
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if (pm->clocks_get) {
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ret = pm->clocks_get(dev, perflvl);
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if (ret)
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return ret;
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}
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if (pm->voltage.supported && pm->voltage_get) {
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ret = pm->voltage_get(dev);
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if (ret > 0) {
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perflvl->volt_min = ret;
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perflvl->volt_max = ret;
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}
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}
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if (therm && therm->fan_get) {
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ret = therm->fan_get(therm);
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if (ret >= 0)
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perflvl->fanspeed = ret;
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}
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nouveau_mem_timing_read(dev, &perflvl->timing);
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return 0;
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}
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static void
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nouveau_pm_perflvl_info(struct nouveau_pm_level *perflvl, char *ptr, int len)
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{
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char c[16], s[16], v[32], f[16], m[16];
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c[0] = '\0';
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if (perflvl->core)
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snprintf(c, sizeof(c), " core %dMHz", perflvl->core / 1000);
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s[0] = '\0';
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if (perflvl->shader)
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snprintf(s, sizeof(s), " shader %dMHz", perflvl->shader / 1000);
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m[0] = '\0';
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if (perflvl->memory)
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snprintf(m, sizeof(m), " memory %dMHz", perflvl->memory / 1000);
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v[0] = '\0';
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if (perflvl->volt_min && perflvl->volt_min != perflvl->volt_max) {
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snprintf(v, sizeof(v), " voltage %dmV-%dmV",
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perflvl->volt_min / 1000, perflvl->volt_max / 1000);
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} else
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if (perflvl->volt_min) {
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snprintf(v, sizeof(v), " voltage %dmV",
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perflvl->volt_min / 1000);
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}
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f[0] = '\0';
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if (perflvl->fanspeed)
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snprintf(f, sizeof(f), " fanspeed %d%%", perflvl->fanspeed);
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snprintf(ptr, len, "%s%s%s%s%s\n", c, s, m, v, f);
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}
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static ssize_t
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nouveau_pm_get_perflvl_info(struct device *d,
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struct device_attribute *a, char *buf)
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{
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struct nouveau_pm_level *perflvl =
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container_of(a, struct nouveau_pm_level, dev_attr);
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char *ptr = buf;
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int len = PAGE_SIZE;
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snprintf(ptr, len, "%d:", perflvl->id);
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ptr += strlen(buf);
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len -= strlen(buf);
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nouveau_pm_perflvl_info(perflvl, ptr, len);
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return strlen(buf);
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}
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static ssize_t
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nouveau_pm_get_perflvl(struct device *d, struct device_attribute *a, char *buf)
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{
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struct drm_device *dev = pci_get_drvdata(to_pci_dev(d));
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struct nouveau_pm *pm = nouveau_pm(dev);
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struct nouveau_pm_level cur;
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int len = PAGE_SIZE, ret;
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char *ptr = buf;
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snprintf(ptr, len, "profile: %s, %s\nc:",
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pm->profile_ac->name, pm->profile_dc->name);
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ptr += strlen(buf);
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len -= strlen(buf);
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ret = nouveau_pm_perflvl_get(dev, &cur);
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if (ret == 0)
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nouveau_pm_perflvl_info(&cur, ptr, len);
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return strlen(buf);
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}
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static ssize_t
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nouveau_pm_set_perflvl(struct device *d, struct device_attribute *a,
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const char *buf, size_t count)
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{
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struct drm_device *dev = pci_get_drvdata(to_pci_dev(d));
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int ret;
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ret = nouveau_pm_profile_set(dev, buf);
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if (ret)
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return ret;
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return strlen(buf);
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}
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static DEVICE_ATTR(performance_level, S_IRUGO | S_IWUSR,
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nouveau_pm_get_perflvl, nouveau_pm_set_perflvl);
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static int
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nouveau_sysfs_init(struct drm_device *dev)
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{
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_pm *pm = nouveau_pm(dev);
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struct device *d = &dev->pdev->dev;
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int ret, i;
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ret = device_create_file(d, &dev_attr_performance_level);
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if (ret)
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return ret;
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for (i = 0; i < pm->nr_perflvl; i++) {
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struct nouveau_pm_level *perflvl = &pm->perflvl[i];
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perflvl->dev_attr.attr.name = perflvl->name;
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perflvl->dev_attr.attr.mode = S_IRUGO;
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perflvl->dev_attr.show = nouveau_pm_get_perflvl_info;
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perflvl->dev_attr.store = NULL;
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sysfs_attr_init(&perflvl->dev_attr.attr);
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ret = device_create_file(d, &perflvl->dev_attr);
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if (ret) {
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NV_ERROR(drm, "failed pervlvl %d sysfs: %d\n",
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perflvl->id, i);
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perflvl->dev_attr.attr.name = NULL;
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nouveau_pm_fini(dev);
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return ret;
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}
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}
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return 0;
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}
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static void
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nouveau_sysfs_fini(struct drm_device *dev)
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{
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struct nouveau_pm *pm = nouveau_pm(dev);
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struct device *d = &dev->pdev->dev;
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int i;
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device_remove_file(d, &dev_attr_performance_level);
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for (i = 0; i < pm->nr_perflvl; i++) {
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struct nouveau_pm_level *pl = &pm->perflvl[i];
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if (!pl->dev_attr.attr.name)
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break;
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device_remove_file(d, &pl->dev_attr);
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}
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}
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#if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE))
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static ssize_t
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nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf)
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{
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struct drm_device *dev = dev_get_drvdata(d);
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_therm *therm = nouveau_therm(drm->device);
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return snprintf(buf, PAGE_SIZE, "%d\n", therm->temp_get(therm) * 1000);
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}
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static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, nouveau_hwmon_show_temp,
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NULL, 0);
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static ssize_t
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nouveau_hwmon_show_temp1_auto_point1_pwm(struct device *d,
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struct device_attribute *a, char *buf)
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{
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return snprintf(buf, PAGE_SIZE, "%d\n", 100);
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}
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static SENSOR_DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO,
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nouveau_hwmon_show_temp1_auto_point1_pwm, NULL, 0);
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static ssize_t
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nouveau_hwmon_temp1_auto_point1_temp(struct device *d,
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struct device_attribute *a, char *buf)
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{
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struct drm_device *dev = dev_get_drvdata(d);
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_therm *therm = nouveau_therm(drm->device);
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return snprintf(buf, PAGE_SIZE, "%d\n",
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therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_FAN_BOOST) * 1000);
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}
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static ssize_t
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nouveau_hwmon_set_temp1_auto_point1_temp(struct device *d,
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struct device_attribute *a,
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const char *buf, size_t count)
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{
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struct drm_device *dev = dev_get_drvdata(d);
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_therm *therm = nouveau_therm(drm->device);
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long value;
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if (kstrtol(buf, 10, &value) == -EINVAL)
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return count;
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therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_FAN_BOOST,
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value / 1000);
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return count;
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}
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static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IRUGO | S_IWUSR,
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nouveau_hwmon_temp1_auto_point1_temp,
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nouveau_hwmon_set_temp1_auto_point1_temp, 0);
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static ssize_t
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nouveau_hwmon_temp1_auto_point1_temp_hyst(struct device *d,
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struct device_attribute *a, char *buf)
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{
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struct drm_device *dev = dev_get_drvdata(d);
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_therm *therm = nouveau_therm(drm->device);
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return snprintf(buf, PAGE_SIZE, "%d\n",
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therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST) * 1000);
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}
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static ssize_t
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nouveau_hwmon_set_temp1_auto_point1_temp_hyst(struct device *d,
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struct device_attribute *a,
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const char *buf, size_t count)
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{
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struct drm_device *dev = dev_get_drvdata(d);
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struct nouveau_drm *drm = nouveau_drm(dev);
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struct nouveau_therm *therm = nouveau_therm(drm->device);
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long value;
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if (kstrtol(buf, 10, &value) == -EINVAL)
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return count;
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therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST,
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value / 1000);
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return count;
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}
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static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
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nouveau_hwmon_temp1_auto_point1_temp_hyst,
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nouveau_hwmon_set_temp1_auto_point1_temp_hyst, 0);
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static ssize_t
|
|
nouveau_hwmon_max_temp(struct device *d, struct device_attribute *a, char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK) * 1000);
|
|
}
|
|
static ssize_t
|
|
nouveau_hwmon_set_max_temp(struct device *d, struct device_attribute *a,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
long value;
|
|
|
|
if (kstrtol(buf, 10, &value) == -EINVAL)
|
|
return count;
|
|
|
|
therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK, value / 1000);
|
|
|
|
return count;
|
|
}
|
|
static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, nouveau_hwmon_max_temp,
|
|
nouveau_hwmon_set_max_temp,
|
|
0);
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_max_temp_hyst(struct device *d, struct device_attribute *a,
|
|
char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST) * 1000);
|
|
}
|
|
static ssize_t
|
|
nouveau_hwmon_set_max_temp_hyst(struct device *d, struct device_attribute *a,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
long value;
|
|
|
|
if (kstrtol(buf, 10, &value) == -EINVAL)
|
|
return count;
|
|
|
|
therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST,
|
|
value / 1000);
|
|
|
|
return count;
|
|
}
|
|
static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
|
|
nouveau_hwmon_max_temp_hyst,
|
|
nouveau_hwmon_set_max_temp_hyst, 0);
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_critical_temp(struct device *d, struct device_attribute *a,
|
|
char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL) * 1000);
|
|
}
|
|
static ssize_t
|
|
nouveau_hwmon_set_critical_temp(struct device *d, struct device_attribute *a,
|
|
const char *buf,
|
|
size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
long value;
|
|
|
|
if (kstrtol(buf, 10, &value) == -EINVAL)
|
|
return count;
|
|
|
|
therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL, value / 1000);
|
|
|
|
return count;
|
|
}
|
|
static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR,
|
|
nouveau_hwmon_critical_temp,
|
|
nouveau_hwmon_set_critical_temp,
|
|
0);
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_critical_temp_hyst(struct device *d, struct device_attribute *a,
|
|
char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST) * 1000);
|
|
}
|
|
static ssize_t
|
|
nouveau_hwmon_set_critical_temp_hyst(struct device *d,
|
|
struct device_attribute *a,
|
|
const char *buf,
|
|
size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
long value;
|
|
|
|
if (kstrtol(buf, 10, &value) == -EINVAL)
|
|
return count;
|
|
|
|
therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST,
|
|
value / 1000);
|
|
|
|
return count;
|
|
}
|
|
static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO | S_IWUSR,
|
|
nouveau_hwmon_critical_temp_hyst,
|
|
nouveau_hwmon_set_critical_temp_hyst, 0);
|
|
static ssize_t
|
|
nouveau_hwmon_emergency_temp(struct device *d, struct device_attribute *a,
|
|
char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_SHUTDOWN) * 1000);
|
|
}
|
|
static ssize_t
|
|
nouveau_hwmon_set_emergency_temp(struct device *d, struct device_attribute *a,
|
|
const char *buf,
|
|
size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
long value;
|
|
|
|
if (kstrtol(buf, 10, &value) == -EINVAL)
|
|
return count;
|
|
|
|
therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_SHUTDOWN, value / 1000);
|
|
|
|
return count;
|
|
}
|
|
static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO | S_IWUSR,
|
|
nouveau_hwmon_emergency_temp,
|
|
nouveau_hwmon_set_emergency_temp,
|
|
0);
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_emergency_temp_hyst(struct device *d, struct device_attribute *a,
|
|
char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
therm->attr_get(therm, NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST) * 1000);
|
|
}
|
|
static ssize_t
|
|
nouveau_hwmon_set_emergency_temp_hyst(struct device *d,
|
|
struct device_attribute *a,
|
|
const char *buf,
|
|
size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
long value;
|
|
|
|
if (kstrtol(buf, 10, &value) == -EINVAL)
|
|
return count;
|
|
|
|
therm->attr_set(therm, NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST,
|
|
value / 1000);
|
|
|
|
return count;
|
|
}
|
|
static SENSOR_DEVICE_ATTR(temp1_emergency_hyst, S_IRUGO | S_IWUSR,
|
|
nouveau_hwmon_emergency_temp_hyst,
|
|
nouveau_hwmon_set_emergency_temp_hyst,
|
|
0);
|
|
|
|
static ssize_t nouveau_hwmon_show_name(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
return sprintf(buf, "nouveau\n");
|
|
}
|
|
static SENSOR_DEVICE_ATTR(name, S_IRUGO, nouveau_hwmon_show_name, NULL, 0);
|
|
|
|
static ssize_t nouveau_hwmon_show_update_rate(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
return sprintf(buf, "1000\n");
|
|
}
|
|
static SENSOR_DEVICE_ATTR(update_rate, S_IRUGO,
|
|
nouveau_hwmon_show_update_rate,
|
|
NULL, 0);
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_show_fan1_input(struct device *d, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", therm->fan_sense(therm));
|
|
}
|
|
static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, nouveau_hwmon_show_fan1_input,
|
|
NULL, 0);
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_get_pwm1_enable(struct device *d,
|
|
struct device_attribute *a, char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
int ret;
|
|
|
|
ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MODE);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return sprintf(buf, "%i\n", ret);
|
|
}
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_set_pwm1_enable(struct device *d, struct device_attribute *a,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
long value;
|
|
int ret;
|
|
|
|
if (strict_strtol(buf, 10, &value) == -EINVAL)
|
|
return -EINVAL;
|
|
|
|
ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MODE, value);
|
|
if (ret)
|
|
return ret;
|
|
else
|
|
return count;
|
|
}
|
|
static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
|
|
nouveau_hwmon_get_pwm1_enable,
|
|
nouveau_hwmon_set_pwm1_enable, 0);
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_get_pwm1(struct device *d, struct device_attribute *a, char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
int ret;
|
|
|
|
ret = therm->fan_get(therm);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return sprintf(buf, "%i\n", ret);
|
|
}
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_set_pwm1(struct device *d, struct device_attribute *a,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
int ret = -ENODEV;
|
|
long value;
|
|
|
|
if (nouveau_perflvl_wr != 7777)
|
|
return -EPERM;
|
|
|
|
if (kstrtol(buf, 10, &value) == -EINVAL)
|
|
return -EINVAL;
|
|
|
|
ret = therm->fan_set(therm, value);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR,
|
|
nouveau_hwmon_get_pwm1,
|
|
nouveau_hwmon_set_pwm1, 0);
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_get_pwm1_min(struct device *d,
|
|
struct device_attribute *a, char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
int ret;
|
|
|
|
ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MIN_DUTY);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return sprintf(buf, "%i\n", ret);
|
|
}
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_set_pwm1_min(struct device *d, struct device_attribute *a,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
long value;
|
|
int ret;
|
|
|
|
if (kstrtol(buf, 10, &value) == -EINVAL)
|
|
return -EINVAL;
|
|
|
|
ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MIN_DUTY, value);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO | S_IWUSR,
|
|
nouveau_hwmon_get_pwm1_min,
|
|
nouveau_hwmon_set_pwm1_min, 0);
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_get_pwm1_max(struct device *d,
|
|
struct device_attribute *a, char *buf)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
int ret;
|
|
|
|
ret = therm->attr_get(therm, NOUVEAU_THERM_ATTR_FAN_MAX_DUTY);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return sprintf(buf, "%i\n", ret);
|
|
}
|
|
|
|
static ssize_t
|
|
nouveau_hwmon_set_pwm1_max(struct device *d, struct device_attribute *a,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct drm_device *dev = dev_get_drvdata(d);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
long value;
|
|
int ret;
|
|
|
|
if (kstrtol(buf, 10, &value) == -EINVAL)
|
|
return -EINVAL;
|
|
|
|
ret = therm->attr_set(therm, NOUVEAU_THERM_ATTR_FAN_MAX_DUTY, value);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return count;
|
|
}
|
|
|
|
static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO | S_IWUSR,
|
|
nouveau_hwmon_get_pwm1_max,
|
|
nouveau_hwmon_set_pwm1_max, 0);
|
|
|
|
static struct attribute *hwmon_attributes[] = {
|
|
&sensor_dev_attr_temp1_input.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_point1_pwm.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_max.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_crit.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_emergency.dev_attr.attr,
|
|
&sensor_dev_attr_temp1_emergency_hyst.dev_attr.attr,
|
|
&sensor_dev_attr_name.dev_attr.attr,
|
|
&sensor_dev_attr_update_rate.dev_attr.attr,
|
|
NULL
|
|
};
|
|
static struct attribute *hwmon_fan_rpm_attributes[] = {
|
|
&sensor_dev_attr_fan1_input.dev_attr.attr,
|
|
NULL
|
|
};
|
|
static struct attribute *hwmon_pwm_fan_attributes[] = {
|
|
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
|
|
&sensor_dev_attr_pwm1.dev_attr.attr,
|
|
&sensor_dev_attr_pwm1_min.dev_attr.attr,
|
|
&sensor_dev_attr_pwm1_max.dev_attr.attr,
|
|
NULL
|
|
};
|
|
|
|
static const struct attribute_group hwmon_attrgroup = {
|
|
.attrs = hwmon_attributes,
|
|
};
|
|
static const struct attribute_group hwmon_fan_rpm_attrgroup = {
|
|
.attrs = hwmon_fan_rpm_attributes,
|
|
};
|
|
static const struct attribute_group hwmon_pwm_fan_attrgroup = {
|
|
.attrs = hwmon_pwm_fan_attributes,
|
|
};
|
|
#endif
|
|
|
|
static int
|
|
nouveau_hwmon_init(struct drm_device *dev)
|
|
{
|
|
struct nouveau_pm *pm = nouveau_pm(dev);
|
|
|
|
#if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE))
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_therm *therm = nouveau_therm(drm->device);
|
|
struct device *hwmon_dev;
|
|
int ret = 0;
|
|
|
|
if (!therm || !therm->temp_get || !therm->attr_get || !therm->attr_set)
|
|
return -ENODEV;
|
|
|
|
hwmon_dev = hwmon_device_register(&dev->pdev->dev);
|
|
if (IS_ERR(hwmon_dev)) {
|
|
ret = PTR_ERR(hwmon_dev);
|
|
NV_ERROR(drm, "Unable to register hwmon device: %d\n", ret);
|
|
return ret;
|
|
}
|
|
dev_set_drvdata(hwmon_dev, dev);
|
|
|
|
/* default sysfs entries */
|
|
ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_attrgroup);
|
|
if (ret) {
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
|
|
/* if the card has a pwm fan */
|
|
/*XXX: incorrect, need better detection for this, some boards have
|
|
* the gpio entries for pwm fan control even when there's no
|
|
* actual fan connected to it... therm table? */
|
|
if (therm->fan_get && therm->fan_get(therm) >= 0) {
|
|
ret = sysfs_create_group(&hwmon_dev->kobj,
|
|
&hwmon_pwm_fan_attrgroup);
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
|
|
/* if the card can read the fan rpm */
|
|
if (therm->fan_sense(therm) >= 0) {
|
|
ret = sysfs_create_group(&hwmon_dev->kobj,
|
|
&hwmon_fan_rpm_attrgroup);
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
|
|
pm->hwmon = hwmon_dev;
|
|
|
|
return 0;
|
|
|
|
error:
|
|
NV_ERROR(drm, "Unable to create some hwmon sysfs files: %d\n", ret);
|
|
hwmon_device_unregister(hwmon_dev);
|
|
pm->hwmon = NULL;
|
|
return ret;
|
|
#else
|
|
pm->hwmon = NULL;
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
nouveau_hwmon_fini(struct drm_device *dev)
|
|
{
|
|
#if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE))
|
|
struct nouveau_pm *pm = nouveau_pm(dev);
|
|
|
|
if (pm->hwmon) {
|
|
sysfs_remove_group(&pm->hwmon->kobj, &hwmon_attrgroup);
|
|
sysfs_remove_group(&pm->hwmon->kobj,
|
|
&hwmon_pwm_fan_attrgroup);
|
|
sysfs_remove_group(&pm->hwmon->kobj,
|
|
&hwmon_fan_rpm_attrgroup);
|
|
|
|
hwmon_device_unregister(pm->hwmon);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#if defined(CONFIG_ACPI) && defined(CONFIG_POWER_SUPPLY)
|
|
static int
|
|
nouveau_pm_acpi_event(struct notifier_block *nb, unsigned long val, void *data)
|
|
{
|
|
struct nouveau_pm *pm = container_of(nb, struct nouveau_pm, acpi_nb);
|
|
struct nouveau_drm *drm = nouveau_drm(pm->dev);
|
|
struct acpi_bus_event *entry = (struct acpi_bus_event *)data;
|
|
|
|
if (strcmp(entry->device_class, "ac_adapter") == 0) {
|
|
bool ac = power_supply_is_system_supplied();
|
|
|
|
NV_DEBUG(drm, "power supply changed: %s\n", ac ? "AC" : "DC");
|
|
nouveau_pm_trigger(pm->dev);
|
|
}
|
|
|
|
return NOTIFY_OK;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
nouveau_pm_init(struct drm_device *dev)
|
|
{
|
|
struct nouveau_device *device = nouveau_dev(dev);
|
|
struct nouveau_drm *drm = nouveau_drm(dev);
|
|
struct nouveau_pm *pm;
|
|
char info[256];
|
|
int ret, i;
|
|
|
|
pm = drm->pm = kzalloc(sizeof(*pm), GFP_KERNEL);
|
|
if (!pm)
|
|
return -ENOMEM;
|
|
|
|
pm->dev = dev;
|
|
|
|
if (device->card_type < NV_40) {
|
|
pm->clocks_get = nv04_pm_clocks_get;
|
|
pm->clocks_pre = nv04_pm_clocks_pre;
|
|
pm->clocks_set = nv04_pm_clocks_set;
|
|
if (nouveau_gpio(drm->device)) {
|
|
pm->voltage_get = nouveau_voltage_gpio_get;
|
|
pm->voltage_set = nouveau_voltage_gpio_set;
|
|
}
|
|
} else
|
|
if (device->card_type < NV_50) {
|
|
pm->clocks_get = nv40_pm_clocks_get;
|
|
pm->clocks_pre = nv40_pm_clocks_pre;
|
|
pm->clocks_set = nv40_pm_clocks_set;
|
|
pm->voltage_get = nouveau_voltage_gpio_get;
|
|
pm->voltage_set = nouveau_voltage_gpio_set;
|
|
} else
|
|
if (device->card_type < NV_C0) {
|
|
if (device->chipset < 0xa3 ||
|
|
device->chipset == 0xaa ||
|
|
device->chipset == 0xac) {
|
|
pm->clocks_get = nv50_pm_clocks_get;
|
|
pm->clocks_pre = nv50_pm_clocks_pre;
|
|
pm->clocks_set = nv50_pm_clocks_set;
|
|
} else {
|
|
pm->clocks_get = nva3_pm_clocks_get;
|
|
pm->clocks_pre = nva3_pm_clocks_pre;
|
|
pm->clocks_set = nva3_pm_clocks_set;
|
|
}
|
|
pm->voltage_get = nouveau_voltage_gpio_get;
|
|
pm->voltage_set = nouveau_voltage_gpio_set;
|
|
} else
|
|
if (device->card_type < NV_E0) {
|
|
pm->clocks_get = nvc0_pm_clocks_get;
|
|
pm->clocks_pre = nvc0_pm_clocks_pre;
|
|
pm->clocks_set = nvc0_pm_clocks_set;
|
|
pm->voltage_get = nouveau_voltage_gpio_get;
|
|
pm->voltage_set = nouveau_voltage_gpio_set;
|
|
}
|
|
|
|
|
|
/* parse aux tables from vbios */
|
|
nouveau_volt_init(dev);
|
|
|
|
INIT_LIST_HEAD(&pm->profiles);
|
|
|
|
/* determine current ("boot") performance level */
|
|
ret = nouveau_pm_perflvl_get(dev, &pm->boot);
|
|
if (ret) {
|
|
NV_ERROR(drm, "failed to determine boot perflvl\n");
|
|
return ret;
|
|
}
|
|
|
|
strncpy(pm->boot.name, "boot", 4);
|
|
strncpy(pm->boot.profile.name, "boot", 4);
|
|
pm->boot.profile.func = &nouveau_pm_static_profile_func;
|
|
|
|
list_add(&pm->boot.profile.head, &pm->profiles);
|
|
|
|
pm->profile_ac = &pm->boot.profile;
|
|
pm->profile_dc = &pm->boot.profile;
|
|
pm->profile = &pm->boot.profile;
|
|
pm->cur = &pm->boot;
|
|
|
|
/* add performance levels from vbios */
|
|
nouveau_perf_init(dev);
|
|
|
|
/* display available performance levels */
|
|
NV_INFO(drm, "%d available performance level(s)\n", pm->nr_perflvl);
|
|
for (i = 0; i < pm->nr_perflvl; i++) {
|
|
nouveau_pm_perflvl_info(&pm->perflvl[i], info, sizeof(info));
|
|
NV_INFO(drm, "%d:%s", pm->perflvl[i].id, info);
|
|
}
|
|
|
|
nouveau_pm_perflvl_info(&pm->boot, info, sizeof(info));
|
|
NV_INFO(drm, "c:%s", info);
|
|
|
|
/* switch performance levels now if requested */
|
|
if (nouveau_perflvl != NULL)
|
|
nouveau_pm_profile_set(dev, nouveau_perflvl);
|
|
|
|
nouveau_sysfs_init(dev);
|
|
nouveau_hwmon_init(dev);
|
|
#if defined(CONFIG_ACPI) && defined(CONFIG_POWER_SUPPLY)
|
|
pm->acpi_nb.notifier_call = nouveau_pm_acpi_event;
|
|
register_acpi_notifier(&pm->acpi_nb);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
nouveau_pm_fini(struct drm_device *dev)
|
|
{
|
|
struct nouveau_pm *pm = nouveau_pm(dev);
|
|
struct nouveau_pm_profile *profile, *tmp;
|
|
|
|
list_for_each_entry_safe(profile, tmp, &pm->profiles, head) {
|
|
list_del(&profile->head);
|
|
profile->func->destroy(profile);
|
|
}
|
|
|
|
if (pm->cur != &pm->boot)
|
|
nouveau_pm_perflvl_set(dev, &pm->boot);
|
|
|
|
nouveau_perf_fini(dev);
|
|
nouveau_volt_fini(dev);
|
|
|
|
#if defined(CONFIG_ACPI) && defined(CONFIG_POWER_SUPPLY)
|
|
unregister_acpi_notifier(&pm->acpi_nb);
|
|
#endif
|
|
nouveau_hwmon_fini(dev);
|
|
nouveau_sysfs_fini(dev);
|
|
|
|
nouveau_drm(dev)->pm = NULL;
|
|
kfree(pm);
|
|
}
|
|
|
|
void
|
|
nouveau_pm_resume(struct drm_device *dev)
|
|
{
|
|
struct nouveau_pm *pm = nouveau_pm(dev);
|
|
struct nouveau_pm_level *perflvl;
|
|
|
|
if (!pm->cur || pm->cur == &pm->boot)
|
|
return;
|
|
|
|
perflvl = pm->cur;
|
|
pm->cur = &pm->boot;
|
|
nouveau_pm_perflvl_set(dev, perflvl);
|
|
}
|