xref: /openbsd-src/sys/dev/pci/drm/amd/amdgpu/amdgpu_i2c.h (revision fb4d85023675bc7da402da96b2bb84fd12905dbf)
1*fb4d8502Sjsg /*
2*fb4d8502Sjsg  * Copyright 2014 Advanced Micro Devices, Inc.
3*fb4d8502Sjsg  *
4*fb4d8502Sjsg  * Permission is hereby granted, free of charge, to any person obtaining a
5*fb4d8502Sjsg  * copy of this software and associated documentation files (the "Software"),
6*fb4d8502Sjsg  * to deal in the Software without restriction, including without limitation
7*fb4d8502Sjsg  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*fb4d8502Sjsg  * and/or sell copies of the Software, and to permit persons to whom the
9*fb4d8502Sjsg  * Software is furnished to do so, subject to the following conditions:
10*fb4d8502Sjsg  *
11*fb4d8502Sjsg  * The above copyright notice and this permission notice shall be included in
12*fb4d8502Sjsg  * all copies or substantial portions of the Software.
13*fb4d8502Sjsg  *
14*fb4d8502Sjsg  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*fb4d8502Sjsg  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*fb4d8502Sjsg  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17*fb4d8502Sjsg  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*fb4d8502Sjsg  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*fb4d8502Sjsg  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*fb4d8502Sjsg  * OTHER DEALINGS IN THE SOFTWARE.
21*fb4d8502Sjsg  *
22*fb4d8502Sjsg  */
23*fb4d8502Sjsg 
24*fb4d8502Sjsg #ifndef __AMDGPU_I2C_H__
25*fb4d8502Sjsg #define __AMDGPU_I2C_H__
26*fb4d8502Sjsg 
27*fb4d8502Sjsg struct amdgpu_i2c_chan *amdgpu_i2c_create(struct drm_device *dev,
28*fb4d8502Sjsg 					  const struct amdgpu_i2c_bus_rec *rec,
29*fb4d8502Sjsg 					  const char *name);
30*fb4d8502Sjsg void amdgpu_i2c_destroy(struct amdgpu_i2c_chan *i2c);
31*fb4d8502Sjsg void amdgpu_i2c_init(struct amdgpu_device *adev);
32*fb4d8502Sjsg void amdgpu_i2c_fini(struct amdgpu_device *adev);
33*fb4d8502Sjsg void amdgpu_i2c_add(struct amdgpu_device *adev,
34*fb4d8502Sjsg 		    const struct amdgpu_i2c_bus_rec *rec,
35*fb4d8502Sjsg 		    const char *name);
36*fb4d8502Sjsg struct amdgpu_i2c_chan *
37*fb4d8502Sjsg amdgpu_i2c_lookup(struct amdgpu_device *adev,
38*fb4d8502Sjsg 		  const struct amdgpu_i2c_bus_rec *i2c_bus);
39*fb4d8502Sjsg void
40*fb4d8502Sjsg amdgpu_i2c_router_select_ddc_port(const struct amdgpu_connector *connector);
41*fb4d8502Sjsg void
42*fb4d8502Sjsg amdgpu_i2c_router_select_cd_port(const struct amdgpu_connector *connector);
43*fb4d8502Sjsg 
44*fb4d8502Sjsg #endif
45