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 					    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 		     struct amdgpu_i2c_bus_rec *rec,
35 		     const char *name);
36 struct amdgpu_i2c_chan *
37 amdgpu_i2c_lookup(struct amdgpu_device *adev,
38 		   struct amdgpu_i2c_bus_rec *i2c_bus);
39 void
40 amdgpu_i2c_router_select_ddc_port(struct amdgpu_connector *amdgpu_connector);
41 void
42 amdgpu_i2c_router_select_cd_port(struct amdgpu_connector *amdgpu_connector);
43 
44 #endif
45