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/*
* Copyright 2014 Advanced Micro Devices, 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.
*
*/
#ifndef __AMDGPU_PM_H__
#define __AMDGPU_PM_H__
struct cg_flag_name
{
u32 flag;
const char *name;
};
enum amdgpu_device_attr_flags {
ATTR_FLAG_BASIC = (1 << 0),
ATTR_FLAG_ONEVF = (1 << 16),
};
#define ATTR_FLAG_TYPE_MASK (0x0000ffff)
#define ATTR_FLAG_MODE_MASK (0xffff0000)
#define ATTR_FLAG_MASK_ALL (0xffffffff)
enum amdgpu_device_attr_states {
ATTR_STATE_UNSUPPORTED = 0,
ATTR_STATE_SUPPORTED,
};
struct amdgpu_device_attr {
struct device_attribute dev_attr;
enum amdgpu_device_attr_flags flags;
int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
uint32_t mask, enum amdgpu_device_attr_states *states);
};
struct amdgpu_device_attr_entry {
struct list_head entry;
struct amdgpu_device_attr *attr;
};
#define to_amdgpu_device_attr(_dev_attr) \
container_of(_dev_attr, struct amdgpu_device_attr, dev_attr)
#define __AMDGPU_DEVICE_ATTR(_name, _mode, _show, _store, _flags, ...) \
{ .dev_attr = __ATTR(_name, _mode, _show, _store), \
.flags = _flags, \
##__VA_ARGS__, }
#define AMDGPU_DEVICE_ATTR(_name, _mode, _flags, ...) \
__AMDGPU_DEVICE_ATTR(_name, _mode, \
amdgpu_get_##_name, amdgpu_set_##_name, \
_flags, ##__VA_ARGS__)
#define AMDGPU_DEVICE_ATTR_RW(_name, _flags, ...) \
AMDGPU_DEVICE_ATTR(_name, S_IRUGO | S_IWUSR, \
_flags, ##__VA_ARGS__)
#define AMDGPU_DEVICE_ATTR_RO(_name, _flags, ...) \
__AMDGPU_DEVICE_ATTR(_name, S_IRUGO, \
amdgpu_get_##_name, NULL, \
_flags, ##__VA_ARGS__)
int amdgpu_pm_sysfs_init(struct amdgpu_device *adev);
int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev);
void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev);
void amdgpu_pm_virt_sysfs_fini(struct amdgpu_device *adev);
int amdgpu_debugfs_pm_init(struct amdgpu_device *adev);
#endif