LXR linux/drivers/gpu/drm/amd/amdgpu/amdgpu

   1/*
   2 * Copyright 2014 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
  24#ifndef __AMDGPU_PM_H__
  25#define __AMDGPU_PM_H__
  26
  27struct cg_flag_name
  28{
  29        u32 flag;
  30        const char *name;
  31};
  32
  33enum amdgpu_device_attr_flags {
  34        ATTR_FLAG_BASIC = (1 << 0),
  35        ATTR_FLAG_ONEVF = (1 << 16),
  36};
  37
  38#define ATTR_FLAG_TYPE_MASK     (0x0000ffff)
  39#define ATTR_FLAG_MODE_MASK     (0xffff0000)
  40#define ATTR_FLAG_MASK_ALL      (0xffffffff)
  41
  42enum amdgpu_device_attr_states {
  43        ATTR_STATE_UNSUPPORTED = 0,
  44        ATTR_STATE_SUPPORTED,
  45};
  46
  47struct amdgpu_device_attr {
  48        struct device_attribute dev_attr;
  49        enum amdgpu_device_attr_flags flags;
  50        int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
  51                           uint32_t mask, enum amdgpu_device_attr_states *states);
  52
  53};
  54
  55struct amdgpu_device_attr_entry {
  56        struct list_head entry;
  57        struct amdgpu_device_attr *attr;
  58};
  59
  60#define to_amdgpu_device_attr(_dev_attr) \
  61        container_of(_dev_attr, struct amdgpu_device_attr, dev_attr)
  62
  63#define __AMDGPU_DEVICE_ATTR(_name, _mode, _show, _store, _flags, ...)  \
  64        { .dev_attr = __ATTR(_name, _mode, _show, _store),              \
  65          .flags = _flags,                                              \
  66          ##__VA_ARGS__, }
  67
  68#define AMDGPU_DEVICE_ATTR(_name, _mode, _flags, ...)                   \
  69        __AMDGPU_DEVICE_ATTR(_name, _mode,                              \
  70                             amdgpu_get_##_name, amdgpu_set_##_name,    \
  71                             _flags, ##__VA_ARGS__)
  72
  73#define AMDGPU_DEVICE_ATTR_RW(_name, _flags, ...)                       \
  74        AMDGPU_DEVICE_ATTR(_name, S_IRUGO | S_IWUSR,                    \
  75                           _flags, ##__VA_ARGS__)
  76
  77#define AMDGPU_DEVICE_ATTR_RO(_name, _flags, ...)                       \
  78        __AMDGPU_DEVICE_ATTR(_name, S_IRUGO,                            \
  79                             amdgpu_get_##_name, NULL,                  \
  80                             _flags, ##__VA_ARGS__)
  81
  82void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev);
  83int amdgpu_pm_sysfs_init(struct amdgpu_device *adev);
  84int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev);
  85void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev);
  86void amdgpu_pm_virt_sysfs_fini(struct amdgpu_device *adev);
  87void amdgpu_pm_print_power_states(struct amdgpu_device *adev);
  88int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version);
  89void amdgpu_pm_compute_clocks(struct amdgpu_device *adev);
  90void amdgpu_dpm_thermal_work_handler(struct work_struct *work);
  91void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable);
  92void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable);
  93void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable);
  94
  95int amdgpu_debugfs_pm_init(struct amdgpu_device *adev);
  96
  97#endif
  98