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
45