1 /*
2  * Copyright 2012-15 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  * Authors: AMD
23  *
24  */
25 
26 #ifndef __DAL_DPCD_DEFS_H__
27 #define __DAL_DPCD_DEFS_H__
28 
29 #include <drm/drm_dp_helper.h>
30 #ifndef DP_SINK_HW_REVISION_START // can remove this once the define gets into linux drm_dp_helper.h
31 #define DP_SINK_HW_REVISION_START 0x409
32 #endif
33 
34 enum dpcd_revision {
35 	DPCD_REV_10 = 0x10,
36 	DPCD_REV_11 = 0x11,
37 	DPCD_REV_12 = 0x12,
38 	DPCD_REV_13 = 0x13,
39 	DPCD_REV_14 = 0x14
40 };
41 
42 /* these are the types stored at DOWNSTREAMPORT_PRESENT */
43 enum dpcd_downstream_port_type {
44 	DOWNSTREAM_DP = 0,
45 	DOWNSTREAM_VGA,
46 	DOWNSTREAM_DVI_HDMI_DP_PLUS_PLUS,/* DVI, HDMI, DP++ */
47 	DOWNSTREAM_NONDDC /* has no EDID (TV,CV) */
48 };
49 
50 enum dpcd_link_test_patterns {
51 	LINK_TEST_PATTERN_NONE = 0,
52 	LINK_TEST_PATTERN_COLOR_RAMP,
53 	LINK_TEST_PATTERN_VERTICAL_BARS,
54 	LINK_TEST_PATTERN_COLOR_SQUARES
55 };
56 
57 enum dpcd_test_color_format {
58 	TEST_COLOR_FORMAT_RGB = 0,
59 	TEST_COLOR_FORMAT_YCBCR422,
60 	TEST_COLOR_FORMAT_YCBCR444
61 };
62 
63 enum dpcd_test_bit_depth {
64 	TEST_BIT_DEPTH_6 = 0,
65 	TEST_BIT_DEPTH_8,
66 	TEST_BIT_DEPTH_10,
67 	TEST_BIT_DEPTH_12,
68 	TEST_BIT_DEPTH_16
69 };
70 
71 /* PHY (encoder) test patterns
72 The order of test patterns follows DPCD register PHY_TEST_PATTERN (0x248)
73 */
74 enum dpcd_phy_test_patterns {
75 	PHY_TEST_PATTERN_NONE = 0,
76 	PHY_TEST_PATTERN_D10_2,
77 	PHY_TEST_PATTERN_SYMBOL_ERROR,
78 	PHY_TEST_PATTERN_PRBS7,
79 	PHY_TEST_PATTERN_80BIT_CUSTOM,/* For DP1.2 only */
80 	PHY_TEST_PATTERN_CP2520_1,
81 	PHY_TEST_PATTERN_CP2520_2,
82 	PHY_TEST_PATTERN_CP2520_3, /* same as TPS4 */
83 };
84 
85 enum dpcd_test_dyn_range {
86 	TEST_DYN_RANGE_VESA = 0,
87 	TEST_DYN_RANGE_CEA
88 };
89 
90 enum dpcd_audio_test_pattern {
91 	AUDIO_TEST_PATTERN_OPERATOR_DEFINED = 0,/* direct HW translation */
92 	AUDIO_TEST_PATTERN_SAWTOOTH
93 };
94 
95 enum dpcd_audio_sampling_rate {
96 	AUDIO_SAMPLING_RATE_32KHZ = 0,/* direct HW translation */
97 	AUDIO_SAMPLING_RATE_44_1KHZ,
98 	AUDIO_SAMPLING_RATE_48KHZ,
99 	AUDIO_SAMPLING_RATE_88_2KHZ,
100 	AUDIO_SAMPLING_RATE_96KHZ,
101 	AUDIO_SAMPLING_RATE_176_4KHZ,
102 	AUDIO_SAMPLING_RATE_192KHZ
103 };
104 
105 enum dpcd_audio_channels {
106 	AUDIO_CHANNELS_1 = 0,/* direct HW translation */
107 	AUDIO_CHANNELS_2,
108 	AUDIO_CHANNELS_3,
109 	AUDIO_CHANNELS_4,
110 	AUDIO_CHANNELS_5,
111 	AUDIO_CHANNELS_6,
112 	AUDIO_CHANNELS_7,
113 	AUDIO_CHANNELS_8,
114 
115 	AUDIO_CHANNELS_COUNT
116 };
117 
118 enum dpcd_audio_test_pattern_periods {
119 	DPCD_AUDIO_TEST_PATTERN_PERIOD_NOTUSED = 0,/* direct HW translation */
120 	DPCD_AUDIO_TEST_PATTERN_PERIOD_3,
121 	DPCD_AUDIO_TEST_PATTERN_PERIOD_6,
122 	DPCD_AUDIO_TEST_PATTERN_PERIOD_12,
123 	DPCD_AUDIO_TEST_PATTERN_PERIOD_24,
124 	DPCD_AUDIO_TEST_PATTERN_PERIOD_48,
125 	DPCD_AUDIO_TEST_PATTERN_PERIOD_96,
126 	DPCD_AUDIO_TEST_PATTERN_PERIOD_192,
127 	DPCD_AUDIO_TEST_PATTERN_PERIOD_384,
128 	DPCD_AUDIO_TEST_PATTERN_PERIOD_768,
129 	DPCD_AUDIO_TEST_PATTERN_PERIOD_1536
130 };
131 
132 /* This enum is for programming DPCD TRAINING_PATTERN_SET */
133 enum dpcd_training_patterns {
134 	DPCD_TRAINING_PATTERN_VIDEOIDLE = 0,/* direct HW translation! */
135 	DPCD_TRAINING_PATTERN_1,
136 	DPCD_TRAINING_PATTERN_2,
137 	DPCD_TRAINING_PATTERN_3,
138 	DPCD_TRAINING_PATTERN_4 = 7
139 };
140 
141 /* This enum is for use with PsrSinkPsrStatus.bits.sinkSelfRefreshStatus
142 It defines the possible PSR states. */
143 enum dpcd_psr_sink_states {
144 	PSR_SINK_STATE_INACTIVE = 0,
145 	PSR_SINK_STATE_ACTIVE_CAPTURE_DISPLAY_ON_SOURCE_TIMING = 1,
146 	PSR_SINK_STATE_ACTIVE_DISPLAY_FROM_SINK_RFB = 2,
147 	PSR_SINK_STATE_ACTIVE_CAPTURE_DISPLAY_ON_SINK_TIMING = 3,
148 	PSR_SINK_STATE_ACTIVE_CAPTURE_TIMING_RESYNC = 4,
149 	PSR_SINK_STATE_SINK_INTERNAL_ERROR = 7,
150 };
151 
152 #define DP_SOURCE_TABLE_REVISION	    0x310
153 #define DP_SOURCE_PAYLOAD_SIZE		    0x311
154 #define DP_SOURCE_SINK_CAP		    0x317
155 #define DP_SOURCE_BACKLIGHT_LEVEL	    0x320
156 #define DP_SOURCE_BACKLIGHT_CURRENT_PEAK    0x326
157 #define DP_SOURCE_BACKLIGHT_CONTROL	    0x32E
158 #define DP_SOURCE_BACKLIGHT_ENABLE	    0x32F
159 #define DP_SOURCE_MINIMUM_HBLANK_SUPPORTED	0x340
160 
161 #endif /* __DAL_DPCD_DEFS_H__ */
162