tegrakernel/kernel/kernel-4.9/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.h

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2022-02-16 09:13:02 -06:00
/*
* 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_I2C_H__
#define __AMDGPU_I2C_H__
struct amdgpu_i2c_chan *amdgpu_i2c_create(struct drm_device *dev,
const struct amdgpu_i2c_bus_rec *rec,
const char *name);
void amdgpu_i2c_destroy(struct amdgpu_i2c_chan *i2c);
void amdgpu_i2c_init(struct amdgpu_device *adev);
void amdgpu_i2c_fini(struct amdgpu_device *adev);
void amdgpu_i2c_add(struct amdgpu_device *adev,
const struct amdgpu_i2c_bus_rec *rec,
const char *name);
struct amdgpu_i2c_chan *
amdgpu_i2c_lookup(struct amdgpu_device *adev,
const struct amdgpu_i2c_bus_rec *i2c_bus);
void
amdgpu_i2c_router_select_ddc_port(const struct amdgpu_connector *connector);
void
amdgpu_i2c_router_select_cd_port(const struct amdgpu_connector *connector);
#endif