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 __ATOMBIOS_DP_H__
25 #define __ATOMBIOS_DP_H__
26 
27 void amdgpu_atombios_dp_aux_init(struct amdgpu_connector *amdgpu_connector);
28 u8 amdgpu_atombios_dp_get_sinktype(struct amdgpu_connector *amdgpu_connector);
29 int amdgpu_atombios_dp_get_dpcd(struct amdgpu_connector *amdgpu_connector);
30 int amdgpu_atombios_dp_get_panel_mode(struct drm_encoder *encoder,
31 			       struct drm_connector *connector);
32 void amdgpu_atombios_dp_set_link_config(struct drm_connector *connector,
33 				 const struct drm_display_mode *mode);
34 int amdgpu_atombios_dp_mode_valid_helper(struct drm_connector *connector,
35 				  struct drm_display_mode *mode);
36 bool amdgpu_atombios_dp_needs_link_train(struct amdgpu_connector *amdgpu_connector);
37 void amdgpu_atombios_dp_set_rx_power_state(struct drm_connector *connector,
38 				    u8 power_state);
39 void amdgpu_atombios_dp_link_train(struct drm_encoder *encoder,
40 			    struct drm_connector *connector);
41 
42 #endif
43