drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.h

   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_I2C_H__
  25 #define __AMDGPU_I2C_H__
  26
  27 struct amdgpu_i2c_chan *amdgpu_i2c_create(struct drm_device *dev,
  28                                           const struct amdgpu_i2c_bus_rec *rec,
  29                                           const char *name);
  30 void amdgpu_i2c_destroy(struct amdgpu_i2c_chan *i2c);
  31 void amdgpu_i2c_init(struct amdgpu_device *adev);
  32 void amdgpu_i2c_fini(struct amdgpu_device *adev);
  33 void amdgpu_i2c_add(struct amdgpu_device *adev,
  34                     const struct amdgpu_i2c_bus_rec *rec,
  35                     const char *name);
  36 struct amdgpu_i2c_chan *
  37 amdgpu_i2c_lookup(struct amdgpu_device *adev,
  38                   const struct amdgpu_i2c_bus_rec *i2c_bus);
  39 void
  40 amdgpu_i2c_router_select_ddc_port(const struct amdgpu_connector *connector);
  41 void
  42 amdgpu_i2c_router_select_cd_port(const struct amdgpu_connector *connector);
  43
  44 #endif