xref: /linux/drivers/gpu/drm/amd/display/include/dpcd_defs.h (revision 2a6b6c9a226279b4f6668450ddb21ae655558087)
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/display/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 	PHY_TEST_PATTERN_128b_132b_TPS1 = 0x8,
84 	PHY_TEST_PATTERN_128b_132b_TPS2 = 0x10,
85 	PHY_TEST_PATTERN_PRBS9 = 0x18,
86 	PHY_TEST_PATTERN_PRBS11 = 0x20,
87 	PHY_TEST_PATTERN_PRBS15 = 0x28,
88 	PHY_TEST_PATTERN_PRBS23 = 0x30,
89 	PHY_TEST_PATTERN_PRBS31 = 0x38,
90 	PHY_TEST_PATTERN_264BIT_CUSTOM = 0x40,
91 	PHY_TEST_PATTERN_SQUARE = 0x48,
92 	PHY_TEST_PATTERN_SQUARE_PRESHOOT_DISABLED = 0x49,
93 	PHY_TEST_PATTERN_SQUARE_DEEMPHASIS_DISABLED = 0x4A,
94 	PHY_TEST_PATTERN_SQUARE_PRESHOOT_DEEMPHASIS_DISABLED = 0x4B,
95 };
96 
97 enum dpcd_test_dyn_range {
98 	TEST_DYN_RANGE_VESA = 0,
99 	TEST_DYN_RANGE_CEA
100 };
101 
102 enum dpcd_audio_test_pattern {
103 	AUDIO_TEST_PATTERN_OPERATOR_DEFINED = 0,/* direct HW translation */
104 	AUDIO_TEST_PATTERN_SAWTOOTH
105 };
106 
107 enum dpcd_audio_sampling_rate {
108 	AUDIO_SAMPLING_RATE_32KHZ = 0,/* direct HW translation */
109 	AUDIO_SAMPLING_RATE_44_1KHZ,
110 	AUDIO_SAMPLING_RATE_48KHZ,
111 	AUDIO_SAMPLING_RATE_88_2KHZ,
112 	AUDIO_SAMPLING_RATE_96KHZ,
113 	AUDIO_SAMPLING_RATE_176_4KHZ,
114 	AUDIO_SAMPLING_RATE_192KHZ
115 };
116 
117 enum dpcd_audio_channels {
118 	AUDIO_CHANNELS_1 = 0,/* direct HW translation */
119 	AUDIO_CHANNELS_2,
120 	AUDIO_CHANNELS_3,
121 	AUDIO_CHANNELS_4,
122 	AUDIO_CHANNELS_5,
123 	AUDIO_CHANNELS_6,
124 	AUDIO_CHANNELS_7,
125 	AUDIO_CHANNELS_8,
126 
127 	AUDIO_CHANNELS_COUNT
128 };
129 
130 enum dpcd_audio_test_pattern_periods {
131 	DPCD_AUDIO_TEST_PATTERN_PERIOD_NOTUSED = 0,/* direct HW translation */
132 	DPCD_AUDIO_TEST_PATTERN_PERIOD_3,
133 	DPCD_AUDIO_TEST_PATTERN_PERIOD_6,
134 	DPCD_AUDIO_TEST_PATTERN_PERIOD_12,
135 	DPCD_AUDIO_TEST_PATTERN_PERIOD_24,
136 	DPCD_AUDIO_TEST_PATTERN_PERIOD_48,
137 	DPCD_AUDIO_TEST_PATTERN_PERIOD_96,
138 	DPCD_AUDIO_TEST_PATTERN_PERIOD_192,
139 	DPCD_AUDIO_TEST_PATTERN_PERIOD_384,
140 	DPCD_AUDIO_TEST_PATTERN_PERIOD_768,
141 	DPCD_AUDIO_TEST_PATTERN_PERIOD_1536
142 };
143 
144 /* This enum is for programming DPCD TRAINING_PATTERN_SET */
145 enum dpcd_training_patterns {
146 	DPCD_TRAINING_PATTERN_VIDEOIDLE = 0,/* direct HW translation! */
147 	DPCD_TRAINING_PATTERN_1,
148 	DPCD_TRAINING_PATTERN_2,
149 	DPCD_TRAINING_PATTERN_3,
150 	DPCD_TRAINING_PATTERN_4 = 7,
151 	DPCD_128b_132b_TPS1 = 1,
152 	DPCD_128b_132b_TPS2 = 2,
153 	DPCD_128b_132b_TPS2_CDS = 3,
154 };
155 
156 /* This enum is for use with PsrSinkPsrStatus.bits.sinkSelfRefreshStatus
157 It defines the possible PSR states. */
158 enum dpcd_psr_sink_states {
159 	PSR_SINK_STATE_INACTIVE = 0,
160 	PSR_SINK_STATE_ACTIVE_CAPTURE_DISPLAY_ON_SOURCE_TIMING = 1,
161 	PSR_SINK_STATE_ACTIVE_DISPLAY_FROM_SINK_RFB = 2,
162 	PSR_SINK_STATE_ACTIVE_CAPTURE_DISPLAY_ON_SINK_TIMING = 3,
163 	PSR_SINK_STATE_ACTIVE_CAPTURE_TIMING_RESYNC = 4,
164 	PSR_SINK_STATE_SINK_INTERNAL_ERROR = 7,
165 };
166 
167 #define DP_SOURCE_SEQUENCE    		    0x30c
168 #define DP_SOURCE_TABLE_REVISION	    0x310
169 #define DP_SOURCE_PAYLOAD_SIZE		    0x311
170 #define DP_SOURCE_SINK_CAP		    0x317
171 #define DP_SOURCE_BACKLIGHT_LEVEL	    0x320
172 #define DP_SOURCE_BACKLIGHT_CURRENT_PEAK    0x326
173 #define DP_SOURCE_BACKLIGHT_CONTROL	    0x32E
174 #define DP_SOURCE_BACKLIGHT_ENABLE	    0x32F
175 #define DP_SOURCE_MINIMUM_HBLANK_SUPPORTED     0x340
176 #define DP_SINK_PR_REPLAY_STATUS                0x378
177 #define DP_SINK_PR_PIXEL_DEVIATION_PER_LINE     0x379
178 #define DP_SINK_PR_MAX_NUMBER_OF_DEVIATION_LINE 0x37A
179 
180 /* Remove once drm_dp_helper.h is updated upstream */
181 #ifndef DP_TOTAL_LTTPR_CNT
182 #define DP_TOTAL_LTTPR_CNT                                  0xF000A /* 2.1 */
183 #endif
184 
185 #endif /* __DAL_DPCD_DEFS_H__ */
186