xref: /openbmc/linux/include/drm/display/drm_dp.h (revision 801543b2)
1 /*
2  * Copyright © 2008 Keith Packard
3  *
4  * Permission to use, copy, modify, distribute, and sell this software and its
5  * documentation for any purpose is hereby granted without fee, provided that
6  * the above copyright notice appear in all copies and that both that copyright
7  * notice and this permission notice appear in supporting documentation, and
8  * that the name of the copyright holders not be used in advertising or
9  * publicity pertaining to distribution of the software without specific,
10  * written prior permission.  The copyright holders make no representations
11  * about the suitability of this software for any purpose.  It is provided "as
12  * is" without express or implied warranty.
13  *
14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20  * OF THIS SOFTWARE.
21  */
22 
23 #ifndef _DRM_DP_H_
24 #define _DRM_DP_H_
25 
26 #include <linux/types.h>
27 
28 /*
29  * Unless otherwise noted, all values are from the DP 1.1a spec.  Note that
30  * DP and DPCD versions are independent.  Differences from 1.0 are not noted,
31  * 1.0 devices basically don't exist in the wild.
32  *
33  * Abbreviations, in chronological order:
34  *
35  * eDP: Embedded DisplayPort version 1
36  * DPI: DisplayPort Interoperability Guideline v1.1a
37  * 1.2: DisplayPort 1.2
38  * MST: Multistream Transport - part of DP 1.2a
39  *
40  * 1.2 formally includes both eDP and DPI definitions.
41  */
42 
43 /* MSA (Main Stream Attribute) MISC bits (as MISC1<<8|MISC0) */
44 #define DP_MSA_MISC_SYNC_CLOCK			(1 << 0)
45 #define DP_MSA_MISC_INTERLACE_VTOTAL_EVEN	(1 << 8)
46 #define DP_MSA_MISC_STEREO_NO_3D		(0 << 9)
47 #define DP_MSA_MISC_STEREO_PROG_RIGHT_EYE	(1 << 9)
48 #define DP_MSA_MISC_STEREO_PROG_LEFT_EYE	(3 << 9)
49 /* bits per component for non-RAW */
50 #define DP_MSA_MISC_6_BPC			(0 << 5)
51 #define DP_MSA_MISC_8_BPC			(1 << 5)
52 #define DP_MSA_MISC_10_BPC			(2 << 5)
53 #define DP_MSA_MISC_12_BPC			(3 << 5)
54 #define DP_MSA_MISC_16_BPC			(4 << 5)
55 /* bits per component for RAW */
56 #define DP_MSA_MISC_RAW_6_BPC			(1 << 5)
57 #define DP_MSA_MISC_RAW_7_BPC			(2 << 5)
58 #define DP_MSA_MISC_RAW_8_BPC			(3 << 5)
59 #define DP_MSA_MISC_RAW_10_BPC			(4 << 5)
60 #define DP_MSA_MISC_RAW_12_BPC			(5 << 5)
61 #define DP_MSA_MISC_RAW_14_BPC			(6 << 5)
62 #define DP_MSA_MISC_RAW_16_BPC			(7 << 5)
63 /* pixel encoding/colorimetry format */
64 #define _DP_MSA_MISC_COLOR(misc1_7, misc0_21, misc0_3, misc0_4) \
65 	((misc1_7) << 15 | (misc0_4) << 4 | (misc0_3) << 3 | ((misc0_21) << 1))
66 #define DP_MSA_MISC_COLOR_RGB			_DP_MSA_MISC_COLOR(0, 0, 0, 0)
67 #define DP_MSA_MISC_COLOR_CEA_RGB		_DP_MSA_MISC_COLOR(0, 0, 1, 0)
68 #define DP_MSA_MISC_COLOR_RGB_WIDE_FIXED	_DP_MSA_MISC_COLOR(0, 3, 0, 0)
69 #define DP_MSA_MISC_COLOR_RGB_WIDE_FLOAT	_DP_MSA_MISC_COLOR(0, 3, 0, 1)
70 #define DP_MSA_MISC_COLOR_Y_ONLY		_DP_MSA_MISC_COLOR(1, 0, 0, 0)
71 #define DP_MSA_MISC_COLOR_RAW			_DP_MSA_MISC_COLOR(1, 1, 0, 0)
72 #define DP_MSA_MISC_COLOR_YCBCR_422_BT601	_DP_MSA_MISC_COLOR(0, 1, 1, 0)
73 #define DP_MSA_MISC_COLOR_YCBCR_422_BT709	_DP_MSA_MISC_COLOR(0, 1, 1, 1)
74 #define DP_MSA_MISC_COLOR_YCBCR_444_BT601	_DP_MSA_MISC_COLOR(0, 2, 1, 0)
75 #define DP_MSA_MISC_COLOR_YCBCR_444_BT709	_DP_MSA_MISC_COLOR(0, 2, 1, 1)
76 #define DP_MSA_MISC_COLOR_XVYCC_422_BT601	_DP_MSA_MISC_COLOR(0, 1, 0, 0)
77 #define DP_MSA_MISC_COLOR_XVYCC_422_BT709	_DP_MSA_MISC_COLOR(0, 1, 0, 1)
78 #define DP_MSA_MISC_COLOR_XVYCC_444_BT601	_DP_MSA_MISC_COLOR(0, 2, 0, 0)
79 #define DP_MSA_MISC_COLOR_XVYCC_444_BT709	_DP_MSA_MISC_COLOR(0, 2, 0, 1)
80 #define DP_MSA_MISC_COLOR_OPRGB			_DP_MSA_MISC_COLOR(0, 0, 1, 1)
81 #define DP_MSA_MISC_COLOR_DCI_P3		_DP_MSA_MISC_COLOR(0, 3, 1, 0)
82 #define DP_MSA_MISC_COLOR_COLOR_PROFILE		_DP_MSA_MISC_COLOR(0, 3, 1, 1)
83 #define DP_MSA_MISC_COLOR_VSC_SDP		(1 << 14)
84 
85 #define DP_AUX_MAX_PAYLOAD_BYTES	16
86 
87 #define DP_AUX_I2C_WRITE		0x0
88 #define DP_AUX_I2C_READ			0x1
89 #define DP_AUX_I2C_WRITE_STATUS_UPDATE	0x2
90 #define DP_AUX_I2C_MOT			0x4
91 #define DP_AUX_NATIVE_WRITE		0x8
92 #define DP_AUX_NATIVE_READ		0x9
93 
94 #define DP_AUX_NATIVE_REPLY_ACK		(0x0 << 0)
95 #define DP_AUX_NATIVE_REPLY_NACK	(0x1 << 0)
96 #define DP_AUX_NATIVE_REPLY_DEFER	(0x2 << 0)
97 #define DP_AUX_NATIVE_REPLY_MASK	(0x3 << 0)
98 
99 #define DP_AUX_I2C_REPLY_ACK		(0x0 << 2)
100 #define DP_AUX_I2C_REPLY_NACK		(0x1 << 2)
101 #define DP_AUX_I2C_REPLY_DEFER		(0x2 << 2)
102 #define DP_AUX_I2C_REPLY_MASK		(0x3 << 2)
103 
104 /* DPCD Field Address Mapping */
105 
106 /* Receiver Capability */
107 #define DP_DPCD_REV                         0x000
108 # define DP_DPCD_REV_10                     0x10
109 # define DP_DPCD_REV_11                     0x11
110 # define DP_DPCD_REV_12                     0x12
111 # define DP_DPCD_REV_13                     0x13
112 # define DP_DPCD_REV_14                     0x14
113 
114 #define DP_MAX_LINK_RATE                    0x001
115 
116 #define DP_MAX_LANE_COUNT                   0x002
117 # define DP_MAX_LANE_COUNT_MASK		    0x1f
118 # define DP_TPS3_SUPPORTED		    (1 << 6) /* 1.2 */
119 # define DP_ENHANCED_FRAME_CAP		    (1 << 7)
120 
121 #define DP_MAX_DOWNSPREAD                   0x003
122 # define DP_MAX_DOWNSPREAD_0_5		    (1 << 0)
123 # define DP_STREAM_REGENERATION_STATUS_CAP  (1 << 1) /* 2.0 */
124 # define DP_NO_AUX_HANDSHAKE_LINK_TRAINING  (1 << 6)
125 # define DP_TPS4_SUPPORTED                  (1 << 7)
126 
127 #define DP_NORP                             0x004
128 
129 #define DP_DOWNSTREAMPORT_PRESENT           0x005
130 # define DP_DWN_STRM_PORT_PRESENT           (1 << 0)
131 # define DP_DWN_STRM_PORT_TYPE_MASK         0x06
132 # define DP_DWN_STRM_PORT_TYPE_DP           (0 << 1)
133 # define DP_DWN_STRM_PORT_TYPE_ANALOG       (1 << 1)
134 # define DP_DWN_STRM_PORT_TYPE_TMDS         (2 << 1)
135 # define DP_DWN_STRM_PORT_TYPE_OTHER        (3 << 1)
136 # define DP_FORMAT_CONVERSION               (1 << 3)
137 # define DP_DETAILED_CAP_INFO_AVAILABLE	    (1 << 4) /* DPI */
138 
139 #define DP_MAIN_LINK_CHANNEL_CODING         0x006
140 # define DP_CAP_ANSI_8B10B		    (1 << 0)
141 # define DP_CAP_ANSI_128B132B               (1 << 1) /* 2.0 */
142 
143 #define DP_DOWN_STREAM_PORT_COUNT	    0x007
144 # define DP_PORT_COUNT_MASK		    0x0f
145 # define DP_MSA_TIMING_PAR_IGNORED	    (1 << 6) /* eDP */
146 # define DP_OUI_SUPPORT			    (1 << 7)
147 
148 #define DP_RECEIVE_PORT_0_CAP_0		    0x008
149 # define DP_LOCAL_EDID_PRESENT		    (1 << 1)
150 # define DP_ASSOCIATED_TO_PRECEDING_PORT    (1 << 2)
151 
152 #define DP_RECEIVE_PORT_0_BUFFER_SIZE	    0x009
153 
154 #define DP_RECEIVE_PORT_1_CAP_0		    0x00a
155 #define DP_RECEIVE_PORT_1_BUFFER_SIZE       0x00b
156 
157 #define DP_I2C_SPEED_CAP		    0x00c    /* DPI */
158 # define DP_I2C_SPEED_1K		    0x01
159 # define DP_I2C_SPEED_5K		    0x02
160 # define DP_I2C_SPEED_10K		    0x04
161 # define DP_I2C_SPEED_100K		    0x08
162 # define DP_I2C_SPEED_400K		    0x10
163 # define DP_I2C_SPEED_1M		    0x20
164 
165 #define DP_EDP_CONFIGURATION_CAP            0x00d   /* XXX 1.2? */
166 # define DP_ALTERNATE_SCRAMBLER_RESET_CAP   (1 << 0)
167 # define DP_FRAMING_CHANGE_CAP		    (1 << 1)
168 # define DP_DPCD_DISPLAY_CONTROL_CAPABLE     (1 << 3) /* edp v1.2 or higher */
169 
170 #define DP_TRAINING_AUX_RD_INTERVAL             0x00e   /* XXX 1.2? */
171 # define DP_TRAINING_AUX_RD_MASK                0x7F    /* DP 1.3 */
172 # define DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT	(1 << 7) /* DP 1.3 */
173 
174 #define DP_ADAPTER_CAP			    0x00f   /* 1.2 */
175 # define DP_FORCE_LOAD_SENSE_CAP	    (1 << 0)
176 # define DP_ALTERNATE_I2C_PATTERN_CAP	    (1 << 1)
177 
178 #define DP_SUPPORTED_LINK_RATES		    0x010 /* eDP 1.4 */
179 # define DP_MAX_SUPPORTED_RATES		     8	    /* 16-bit little-endian */
180 
181 /* Multiple stream transport */
182 #define DP_FAUX_CAP			    0x020   /* 1.2 */
183 # define DP_FAUX_CAP_1			    (1 << 0)
184 
185 #define DP_SINK_VIDEO_FALLBACK_FORMATS      0x020   /* 2.0 */
186 # define DP_FALLBACK_1024x768_60HZ_24BPP    (1 << 0)
187 # define DP_FALLBACK_1280x720_60HZ_24BPP    (1 << 1)
188 # define DP_FALLBACK_1920x1080_60HZ_24BPP   (1 << 2)
189 
190 #define DP_MSTM_CAP			    0x021   /* 1.2 */
191 # define DP_MST_CAP			    (1 << 0)
192 # define DP_SINGLE_STREAM_SIDEBAND_MSG      (1 << 1) /* 2.0 */
193 
194 #define DP_NUMBER_OF_AUDIO_ENDPOINTS	    0x022   /* 1.2 */
195 
196 /* AV_SYNC_DATA_BLOCK                                  1.2 */
197 #define DP_AV_GRANULARITY		    0x023
198 # define DP_AG_FACTOR_MASK		    (0xf << 0)
199 # define DP_AG_FACTOR_3MS		    (0 << 0)
200 # define DP_AG_FACTOR_2MS		    (1 << 0)
201 # define DP_AG_FACTOR_1MS		    (2 << 0)
202 # define DP_AG_FACTOR_500US		    (3 << 0)
203 # define DP_AG_FACTOR_200US		    (4 << 0)
204 # define DP_AG_FACTOR_100US		    (5 << 0)
205 # define DP_AG_FACTOR_10US		    (6 << 0)
206 # define DP_AG_FACTOR_1US		    (7 << 0)
207 # define DP_VG_FACTOR_MASK		    (0xf << 4)
208 # define DP_VG_FACTOR_3MS		    (0 << 4)
209 # define DP_VG_FACTOR_2MS		    (1 << 4)
210 # define DP_VG_FACTOR_1MS		    (2 << 4)
211 # define DP_VG_FACTOR_500US		    (3 << 4)
212 # define DP_VG_FACTOR_200US		    (4 << 4)
213 # define DP_VG_FACTOR_100US		    (5 << 4)
214 
215 #define DP_AUD_DEC_LAT0			    0x024
216 #define DP_AUD_DEC_LAT1			    0x025
217 
218 #define DP_AUD_PP_LAT0			    0x026
219 #define DP_AUD_PP_LAT1			    0x027
220 
221 #define DP_VID_INTER_LAT		    0x028
222 
223 #define DP_VID_PROG_LAT			    0x029
224 
225 #define DP_REP_LAT			    0x02a
226 
227 #define DP_AUD_DEL_INS0			    0x02b
228 #define DP_AUD_DEL_INS1			    0x02c
229 #define DP_AUD_DEL_INS2			    0x02d
230 /* End of AV_SYNC_DATA_BLOCK */
231 
232 #define DP_RECEIVER_ALPM_CAP		    0x02e   /* eDP 1.4 */
233 # define DP_ALPM_CAP			    (1 << 0)
234 
235 #define DP_SINK_DEVICE_AUX_FRAME_SYNC_CAP   0x02f   /* eDP 1.4 */
236 # define DP_AUX_FRAME_SYNC_CAP		    (1 << 0)
237 
238 #define DP_GUID				    0x030   /* 1.2 */
239 
240 #define DP_DSC_SUPPORT                      0x060   /* DP 1.4 */
241 # define DP_DSC_DECOMPRESSION_IS_SUPPORTED  (1 << 0)
242 
243 #define DP_DSC_REV                          0x061
244 # define DP_DSC_MAJOR_MASK                  (0xf << 0)
245 # define DP_DSC_MINOR_MASK                  (0xf << 4)
246 # define DP_DSC_MAJOR_SHIFT                 0
247 # define DP_DSC_MINOR_SHIFT                 4
248 
249 #define DP_DSC_RC_BUF_BLK_SIZE              0x062
250 # define DP_DSC_RC_BUF_BLK_SIZE_1           0x0
251 # define DP_DSC_RC_BUF_BLK_SIZE_4           0x1
252 # define DP_DSC_RC_BUF_BLK_SIZE_16          0x2
253 # define DP_DSC_RC_BUF_BLK_SIZE_64          0x3
254 
255 #define DP_DSC_RC_BUF_SIZE                  0x063
256 
257 #define DP_DSC_SLICE_CAP_1                  0x064
258 # define DP_DSC_1_PER_DP_DSC_SINK           (1 << 0)
259 # define DP_DSC_2_PER_DP_DSC_SINK           (1 << 1)
260 # define DP_DSC_4_PER_DP_DSC_SINK           (1 << 3)
261 # define DP_DSC_6_PER_DP_DSC_SINK           (1 << 4)
262 # define DP_DSC_8_PER_DP_DSC_SINK           (1 << 5)
263 # define DP_DSC_10_PER_DP_DSC_SINK          (1 << 6)
264 # define DP_DSC_12_PER_DP_DSC_SINK          (1 << 7)
265 
266 #define DP_DSC_LINE_BUF_BIT_DEPTH           0x065
267 # define DP_DSC_LINE_BUF_BIT_DEPTH_MASK     (0xf << 0)
268 # define DP_DSC_LINE_BUF_BIT_DEPTH_9        0x0
269 # define DP_DSC_LINE_BUF_BIT_DEPTH_10       0x1
270 # define DP_DSC_LINE_BUF_BIT_DEPTH_11       0x2
271 # define DP_DSC_LINE_BUF_BIT_DEPTH_12       0x3
272 # define DP_DSC_LINE_BUF_BIT_DEPTH_13       0x4
273 # define DP_DSC_LINE_BUF_BIT_DEPTH_14       0x5
274 # define DP_DSC_LINE_BUF_BIT_DEPTH_15       0x6
275 # define DP_DSC_LINE_BUF_BIT_DEPTH_16       0x7
276 # define DP_DSC_LINE_BUF_BIT_DEPTH_8        0x8
277 
278 #define DP_DSC_BLK_PREDICTION_SUPPORT       0x066
279 # define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0)
280 
281 #define DP_DSC_MAX_BITS_PER_PIXEL_LOW       0x067   /* eDP 1.4 */
282 
283 #define DP_DSC_MAX_BITS_PER_PIXEL_HI        0x068   /* eDP 1.4 */
284 # define DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK  (0x3 << 0)
285 # define DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT 8
286 
287 #define DP_DSC_DEC_COLOR_FORMAT_CAP         0x069
288 # define DP_DSC_RGB                         (1 << 0)
289 # define DP_DSC_YCbCr444                    (1 << 1)
290 # define DP_DSC_YCbCr422_Simple             (1 << 2)
291 # define DP_DSC_YCbCr422_Native             (1 << 3)
292 # define DP_DSC_YCbCr420_Native             (1 << 4)
293 
294 #define DP_DSC_DEC_COLOR_DEPTH_CAP          0x06A
295 # define DP_DSC_8_BPC                       (1 << 1)
296 # define DP_DSC_10_BPC                      (1 << 2)
297 # define DP_DSC_12_BPC                      (1 << 3)
298 
299 #define DP_DSC_PEAK_THROUGHPUT              0x06B
300 # define DP_DSC_THROUGHPUT_MODE_0_MASK      (0xf << 0)
301 # define DP_DSC_THROUGHPUT_MODE_0_SHIFT     0
302 # define DP_DSC_THROUGHPUT_MODE_0_UNSUPPORTED 0
303 # define DP_DSC_THROUGHPUT_MODE_0_340       (1 << 0)
304 # define DP_DSC_THROUGHPUT_MODE_0_400       (2 << 0)
305 # define DP_DSC_THROUGHPUT_MODE_0_450       (3 << 0)
306 # define DP_DSC_THROUGHPUT_MODE_0_500       (4 << 0)
307 # define DP_DSC_THROUGHPUT_MODE_0_550       (5 << 0)
308 # define DP_DSC_THROUGHPUT_MODE_0_600       (6 << 0)
309 # define DP_DSC_THROUGHPUT_MODE_0_650       (7 << 0)
310 # define DP_DSC_THROUGHPUT_MODE_0_700       (8 << 0)
311 # define DP_DSC_THROUGHPUT_MODE_0_750       (9 << 0)
312 # define DP_DSC_THROUGHPUT_MODE_0_800       (10 << 0)
313 # define DP_DSC_THROUGHPUT_MODE_0_850       (11 << 0)
314 # define DP_DSC_THROUGHPUT_MODE_0_900       (12 << 0)
315 # define DP_DSC_THROUGHPUT_MODE_0_950       (13 << 0)
316 # define DP_DSC_THROUGHPUT_MODE_0_1000      (14 << 0)
317 # define DP_DSC_THROUGHPUT_MODE_0_170       (15 << 0) /* 1.4a */
318 # define DP_DSC_THROUGHPUT_MODE_1_MASK      (0xf << 4)
319 # define DP_DSC_THROUGHPUT_MODE_1_SHIFT     4
320 # define DP_DSC_THROUGHPUT_MODE_1_UNSUPPORTED 0
321 # define DP_DSC_THROUGHPUT_MODE_1_340       (1 << 4)
322 # define DP_DSC_THROUGHPUT_MODE_1_400       (2 << 4)
323 # define DP_DSC_THROUGHPUT_MODE_1_450       (3 << 4)
324 # define DP_DSC_THROUGHPUT_MODE_1_500       (4 << 4)
325 # define DP_DSC_THROUGHPUT_MODE_1_550       (5 << 4)
326 # define DP_DSC_THROUGHPUT_MODE_1_600       (6 << 4)
327 # define DP_DSC_THROUGHPUT_MODE_1_650       (7 << 4)
328 # define DP_DSC_THROUGHPUT_MODE_1_700       (8 << 4)
329 # define DP_DSC_THROUGHPUT_MODE_1_750       (9 << 4)
330 # define DP_DSC_THROUGHPUT_MODE_1_800       (10 << 4)
331 # define DP_DSC_THROUGHPUT_MODE_1_850       (11 << 4)
332 # define DP_DSC_THROUGHPUT_MODE_1_900       (12 << 4)
333 # define DP_DSC_THROUGHPUT_MODE_1_950       (13 << 4)
334 # define DP_DSC_THROUGHPUT_MODE_1_1000      (14 << 4)
335 # define DP_DSC_THROUGHPUT_MODE_1_170       (15 << 4)
336 
337 #define DP_DSC_MAX_SLICE_WIDTH              0x06C
338 #define DP_DSC_MIN_SLICE_WIDTH_VALUE        2560
339 #define DP_DSC_SLICE_WIDTH_MULTIPLIER       320
340 
341 #define DP_DSC_SLICE_CAP_2                  0x06D
342 # define DP_DSC_16_PER_DP_DSC_SINK          (1 << 0)
343 # define DP_DSC_20_PER_DP_DSC_SINK          (1 << 1)
344 # define DP_DSC_24_PER_DP_DSC_SINK          (1 << 2)
345 
346 #define DP_DSC_BITS_PER_PIXEL_INC           0x06F
347 # define DP_DSC_BITS_PER_PIXEL_1_16         0x0
348 # define DP_DSC_BITS_PER_PIXEL_1_8          0x1
349 # define DP_DSC_BITS_PER_PIXEL_1_4          0x2
350 # define DP_DSC_BITS_PER_PIXEL_1_2          0x3
351 # define DP_DSC_BITS_PER_PIXEL_1            0x4
352 
353 #define DP_PSR_SUPPORT                      0x070   /* XXX 1.2? */
354 # define DP_PSR_IS_SUPPORTED                1
355 # define DP_PSR2_IS_SUPPORTED		    2	    /* eDP 1.4 */
356 # define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED  3	    /* eDP 1.4a */
357 # define DP_PSR2_WITH_Y_COORD_ET_SUPPORTED  4	    /* eDP 1.5, adopted eDP 1.4b SCR */
358 
359 #define DP_PSR_CAPS                         0x071   /* XXX 1.2? */
360 # define DP_PSR_NO_TRAIN_ON_EXIT            1
361 # define DP_PSR_SETUP_TIME_330              (0 << 1)
362 # define DP_PSR_SETUP_TIME_275              (1 << 1)
363 # define DP_PSR_SETUP_TIME_220              (2 << 1)
364 # define DP_PSR_SETUP_TIME_165              (3 << 1)
365 # define DP_PSR_SETUP_TIME_110              (4 << 1)
366 # define DP_PSR_SETUP_TIME_55               (5 << 1)
367 # define DP_PSR_SETUP_TIME_0                (6 << 1)
368 # define DP_PSR_SETUP_TIME_MASK             (7 << 1)
369 # define DP_PSR_SETUP_TIME_SHIFT            1
370 # define DP_PSR2_SU_Y_COORDINATE_REQUIRED   (1 << 4)  /* eDP 1.4a */
371 # define DP_PSR2_SU_GRANULARITY_REQUIRED    (1 << 5)  /* eDP 1.4b */
372 # define DP_PSR2_SU_AUX_FRAME_SYNC_NOT_NEEDED (1 << 6)/* eDP 1.5, adopted eDP 1.4b SCR */
373 
374 #define DP_PSR2_SU_X_GRANULARITY	    0x072 /* eDP 1.4b */
375 #define DP_PSR2_SU_Y_GRANULARITY	    0x074 /* eDP 1.4b */
376 
377 /*
378  * 0x80-0x8f describe downstream port capabilities, but there are two layouts
379  * based on whether DP_DETAILED_CAP_INFO_AVAILABLE was set.  If it was not,
380  * each port's descriptor is one byte wide.  If it was set, each port's is
381  * four bytes wide, starting with the one byte from the base info.  As of
382  * DP interop v1.1a only VGA defines additional detail.
383  */
384 
385 /* offset 0 */
386 #define DP_DOWNSTREAM_PORT_0		    0x80
387 # define DP_DS_PORT_TYPE_MASK		    (7 << 0)
388 # define DP_DS_PORT_TYPE_DP		    0
389 # define DP_DS_PORT_TYPE_VGA		    1
390 # define DP_DS_PORT_TYPE_DVI		    2
391 # define DP_DS_PORT_TYPE_HDMI		    3
392 # define DP_DS_PORT_TYPE_NON_EDID	    4
393 # define DP_DS_PORT_TYPE_DP_DUALMODE        5
394 # define DP_DS_PORT_TYPE_WIRELESS           6
395 # define DP_DS_PORT_HPD			    (1 << 3)
396 # define DP_DS_NON_EDID_MASK		    (0xf << 4)
397 # define DP_DS_NON_EDID_720x480i_60	    (1 << 4)
398 # define DP_DS_NON_EDID_720x480i_50	    (2 << 4)
399 # define DP_DS_NON_EDID_1920x1080i_60	    (3 << 4)
400 # define DP_DS_NON_EDID_1920x1080i_50	    (4 << 4)
401 # define DP_DS_NON_EDID_1280x720_60	    (5 << 4)
402 # define DP_DS_NON_EDID_1280x720_50	    (7 << 4)
403 /* offset 1 for VGA is maximum megapixels per second / 8 */
404 /* offset 1 for DVI/HDMI is maximum TMDS clock in Mbps / 2.5 */
405 /* offset 2 for VGA/DVI/HDMI */
406 # define DP_DS_MAX_BPC_MASK	            (3 << 0)
407 # define DP_DS_8BPC		            0
408 # define DP_DS_10BPC		            1
409 # define DP_DS_12BPC		            2
410 # define DP_DS_16BPC		            3
411 /* HDMI2.1 PCON FRL CONFIGURATION */
412 # define DP_PCON_MAX_FRL_BW                 (7 << 2)
413 # define DP_PCON_MAX_0GBPS                  (0 << 2)
414 # define DP_PCON_MAX_9GBPS                  (1 << 2)
415 # define DP_PCON_MAX_18GBPS                 (2 << 2)
416 # define DP_PCON_MAX_24GBPS                 (3 << 2)
417 # define DP_PCON_MAX_32GBPS                 (4 << 2)
418 # define DP_PCON_MAX_40GBPS                 (5 << 2)
419 # define DP_PCON_MAX_48GBPS                 (6 << 2)
420 # define DP_PCON_SOURCE_CTL_MODE            (1 << 5)
421 
422 /* offset 3 for DVI */
423 # define DP_DS_DVI_DUAL_LINK		    (1 << 1)
424 # define DP_DS_DVI_HIGH_COLOR_DEPTH	    (1 << 2)
425 /* offset 3 for HDMI */
426 # define DP_DS_HDMI_FRAME_SEQ_TO_FRAME_PACK (1 << 0)
427 # define DP_DS_HDMI_YCBCR422_PASS_THROUGH   (1 << 1)
428 # define DP_DS_HDMI_YCBCR420_PASS_THROUGH   (1 << 2)
429 # define DP_DS_HDMI_YCBCR444_TO_422_CONV    (1 << 3)
430 # define DP_DS_HDMI_YCBCR444_TO_420_CONV    (1 << 4)
431 
432 /*
433  * VESA DP-to-HDMI PCON Specification adds caps for colorspace
434  * conversion in DFP cap DPCD 83h. Sec6.1 Table-3.
435  * Based on the available support the source can enable
436  * color conversion by writing into PROTOCOL_COVERTER_CONTROL_2
437  * DPCD 3052h.
438  */
439 # define DP_DS_HDMI_BT601_RGB_YCBCR_CONV    (1 << 5)
440 # define DP_DS_HDMI_BT709_RGB_YCBCR_CONV    (1 << 6)
441 # define DP_DS_HDMI_BT2020_RGB_YCBCR_CONV   (1 << 7)
442 
443 #define DP_MAX_DOWNSTREAM_PORTS		    0x10
444 
445 /* DP Forward error Correction Registers */
446 #define DP_FEC_CAPABILITY		    0x090    /* 1.4 */
447 # define DP_FEC_CAPABLE			    (1 << 0)
448 # define DP_FEC_UNCORR_BLK_ERROR_COUNT_CAP  (1 << 1)
449 # define DP_FEC_CORR_BLK_ERROR_COUNT_CAP    (1 << 2)
450 # define DP_FEC_BIT_ERROR_COUNT_CAP	    (1 << 3)
451 #define DP_FEC_CAPABILITY_1			0x091   /* 2.0 */
452 
453 /* DP-HDMI2.1 PCON DSC ENCODER SUPPORT */
454 #define DP_PCON_DSC_ENCODER_CAP_SIZE        0xD	/* 0x92 through 0x9E */
455 #define DP_PCON_DSC_ENCODER                 0x092
456 # define DP_PCON_DSC_ENCODER_SUPPORTED      (1 << 0)
457 # define DP_PCON_DSC_PPS_ENC_OVERRIDE       (1 << 1)
458 
459 /* DP-HDMI2.1 PCON DSC Version */
460 #define DP_PCON_DSC_VERSION                 0x093
461 # define DP_PCON_DSC_MAJOR_MASK		    (0xF << 0)
462 # define DP_PCON_DSC_MINOR_MASK		    (0xF << 4)
463 # define DP_PCON_DSC_MAJOR_SHIFT	    0
464 # define DP_PCON_DSC_MINOR_SHIFT	    4
465 
466 /* DP-HDMI2.1 PCON DSC RC Buffer block size */
467 #define DP_PCON_DSC_RC_BUF_BLK_INFO	    0x094
468 # define DP_PCON_DSC_RC_BUF_BLK_SIZE	    (0x3 << 0)
469 # define DP_PCON_DSC_RC_BUF_BLK_1KB	    0
470 # define DP_PCON_DSC_RC_BUF_BLK_4KB	    1
471 # define DP_PCON_DSC_RC_BUF_BLK_16KB	    2
472 # define DP_PCON_DSC_RC_BUF_BLK_64KB	    3
473 
474 /* DP-HDMI2.1 PCON DSC RC Buffer size */
475 #define DP_PCON_DSC_RC_BUF_SIZE		    0x095
476 
477 /* DP-HDMI2.1 PCON DSC Slice capabilities-1 */
478 #define DP_PCON_DSC_SLICE_CAP_1		    0x096
479 # define DP_PCON_DSC_1_PER_DSC_ENC     (0x1 << 0)
480 # define DP_PCON_DSC_2_PER_DSC_ENC     (0x1 << 1)
481 # define DP_PCON_DSC_4_PER_DSC_ENC     (0x1 << 3)
482 # define DP_PCON_DSC_6_PER_DSC_ENC     (0x1 << 4)
483 # define DP_PCON_DSC_8_PER_DSC_ENC     (0x1 << 5)
484 # define DP_PCON_DSC_10_PER_DSC_ENC    (0x1 << 6)
485 # define DP_PCON_DSC_12_PER_DSC_ENC    (0x1 << 7)
486 
487 #define DP_PCON_DSC_BUF_BIT_DEPTH	    0x097
488 # define DP_PCON_DSC_BIT_DEPTH_MASK	    (0xF << 0)
489 # define DP_PCON_DSC_DEPTH_9_BITS	    0
490 # define DP_PCON_DSC_DEPTH_10_BITS	    1
491 # define DP_PCON_DSC_DEPTH_11_BITS	    2
492 # define DP_PCON_DSC_DEPTH_12_BITS	    3
493 # define DP_PCON_DSC_DEPTH_13_BITS	    4
494 # define DP_PCON_DSC_DEPTH_14_BITS	    5
495 # define DP_PCON_DSC_DEPTH_15_BITS	    6
496 # define DP_PCON_DSC_DEPTH_16_BITS	    7
497 # define DP_PCON_DSC_DEPTH_8_BITS	    8
498 
499 #define DP_PCON_DSC_BLOCK_PREDICTION	    0x098
500 # define DP_PCON_DSC_BLOCK_PRED_SUPPORT	    (0x1 << 0)
501 
502 #define DP_PCON_DSC_ENC_COLOR_FMT_CAP	    0x099
503 # define DP_PCON_DSC_ENC_RGB		    (0x1 << 0)
504 # define DP_PCON_DSC_ENC_YUV444		    (0x1 << 1)
505 # define DP_PCON_DSC_ENC_YUV422_S	    (0x1 << 2)
506 # define DP_PCON_DSC_ENC_YUV422_N	    (0x1 << 3)
507 # define DP_PCON_DSC_ENC_YUV420_N	    (0x1 << 4)
508 
509 #define DP_PCON_DSC_ENC_COLOR_DEPTH_CAP	    0x09A
510 # define DP_PCON_DSC_ENC_8BPC		    (0x1 << 1)
511 # define DP_PCON_DSC_ENC_10BPC		    (0x1 << 2)
512 # define DP_PCON_DSC_ENC_12BPC		    (0x1 << 3)
513 
514 #define DP_PCON_DSC_MAX_SLICE_WIDTH	    0x09B
515 
516 /* DP-HDMI2.1 PCON DSC Slice capabilities-2 */
517 #define DP_PCON_DSC_SLICE_CAP_2             0x09C
518 # define DP_PCON_DSC_16_PER_DSC_ENC	    (0x1 << 0)
519 # define DP_PCON_DSC_20_PER_DSC_ENC         (0x1 << 1)
520 # define DP_PCON_DSC_24_PER_DSC_ENC         (0x1 << 2)
521 
522 /* DP-HDMI2.1 PCON HDMI TX Encoder Bits/pixel increment */
523 #define DP_PCON_DSC_BPP_INCR		    0x09E
524 # define DP_PCON_DSC_BPP_INCR_MASK	    (0x7 << 0)
525 # define DP_PCON_DSC_ONE_16TH_BPP	    0
526 # define DP_PCON_DSC_ONE_8TH_BPP	    1
527 # define DP_PCON_DSC_ONE_4TH_BPP	    2
528 # define DP_PCON_DSC_ONE_HALF_BPP	    3
529 # define DP_PCON_DSC_ONE_BPP		    4
530 
531 /* DP Extended DSC Capabilities */
532 #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_0  0x0a0   /* DP 1.4a SCR */
533 #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1  0x0a1
534 #define DP_DSC_BRANCH_MAX_LINE_WIDTH        0x0a2
535 
536 /* DFP Capability Extension */
537 #define DP_DFP_CAPABILITY_EXTENSION_SUPPORT	0x0a3	/* 2.0 */
538 
539 /* Link Configuration */
540 #define	DP_LINK_BW_SET		            0x100
541 # define DP_LINK_RATE_TABLE		    0x00    /* eDP 1.4 */
542 # define DP_LINK_BW_1_62		    0x06
543 # define DP_LINK_BW_2_7			    0x0a
544 # define DP_LINK_BW_5_4			    0x14    /* 1.2 */
545 # define DP_LINK_BW_8_1			    0x1e    /* 1.4 */
546 # define DP_LINK_BW_10                      0x01    /* 2.0 128b/132b Link Layer */
547 # define DP_LINK_BW_13_5                    0x04    /* 2.0 128b/132b Link Layer */
548 # define DP_LINK_BW_20                      0x02    /* 2.0 128b/132b Link Layer */
549 
550 #define DP_LANE_COUNT_SET	            0x101
551 # define DP_LANE_COUNT_MASK		    0x0f
552 # define DP_LANE_COUNT_ENHANCED_FRAME_EN    (1 << 7)
553 
554 #define DP_TRAINING_PATTERN_SET	            0x102
555 # define DP_TRAINING_PATTERN_DISABLE	    0
556 # define DP_TRAINING_PATTERN_1		    1
557 # define DP_TRAINING_PATTERN_2		    2
558 # define DP_TRAINING_PATTERN_2_CDS	    3	    /* 2.0 E11 */
559 # define DP_TRAINING_PATTERN_3		    3	    /* 1.2 */
560 # define DP_TRAINING_PATTERN_4              7       /* 1.4 */
561 # define DP_TRAINING_PATTERN_MASK	    0x3
562 # define DP_TRAINING_PATTERN_MASK_1_4	    0xf
563 
564 /* DPCD 1.1 only. For DPCD >= 1.2 see per-lane DP_LINK_QUAL_LANEn_SET */
565 # define DP_LINK_QUAL_PATTERN_11_DISABLE    (0 << 2)
566 # define DP_LINK_QUAL_PATTERN_11_D10_2	    (1 << 2)
567 # define DP_LINK_QUAL_PATTERN_11_ERROR_RATE (2 << 2)
568 # define DP_LINK_QUAL_PATTERN_11_PRBS7	    (3 << 2)
569 # define DP_LINK_QUAL_PATTERN_11_MASK	    (3 << 2)
570 
571 # define DP_RECOVERED_CLOCK_OUT_EN	    (1 << 4)
572 # define DP_LINK_SCRAMBLING_DISABLE	    (1 << 5)
573 
574 # define DP_SYMBOL_ERROR_COUNT_BOTH	    (0 << 6)
575 # define DP_SYMBOL_ERROR_COUNT_DISPARITY    (1 << 6)
576 # define DP_SYMBOL_ERROR_COUNT_SYMBOL	    (2 << 6)
577 # define DP_SYMBOL_ERROR_COUNT_MASK	    (3 << 6)
578 
579 #define DP_TRAINING_LANE0_SET		    0x103
580 #define DP_TRAINING_LANE1_SET		    0x104
581 #define DP_TRAINING_LANE2_SET		    0x105
582 #define DP_TRAINING_LANE3_SET		    0x106
583 
584 # define DP_TRAIN_VOLTAGE_SWING_MASK	    0x3
585 # define DP_TRAIN_VOLTAGE_SWING_SHIFT	    0
586 # define DP_TRAIN_MAX_SWING_REACHED	    (1 << 2)
587 # define DP_TRAIN_VOLTAGE_SWING_LEVEL_0 (0 << 0)
588 # define DP_TRAIN_VOLTAGE_SWING_LEVEL_1 (1 << 0)
589 # define DP_TRAIN_VOLTAGE_SWING_LEVEL_2 (2 << 0)
590 # define DP_TRAIN_VOLTAGE_SWING_LEVEL_3 (3 << 0)
591 
592 # define DP_TRAIN_PRE_EMPHASIS_MASK	    (3 << 3)
593 # define DP_TRAIN_PRE_EMPH_LEVEL_0		(0 << 3)
594 # define DP_TRAIN_PRE_EMPH_LEVEL_1		(1 << 3)
595 # define DP_TRAIN_PRE_EMPH_LEVEL_2		(2 << 3)
596 # define DP_TRAIN_PRE_EMPH_LEVEL_3		(3 << 3)
597 
598 # define DP_TRAIN_PRE_EMPHASIS_SHIFT	    3
599 # define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED  (1 << 5)
600 
601 # define DP_TX_FFE_PRESET_VALUE_MASK        (0xf << 0) /* 2.0 128b/132b Link Layer */
602 
603 #define DP_DOWNSPREAD_CTRL		    0x107
604 # define DP_SPREAD_AMP_0_5		    (1 << 4)
605 # define DP_MSA_TIMING_PAR_IGNORE_EN	    (1 << 7) /* eDP */
606 
607 #define DP_MAIN_LINK_CHANNEL_CODING_SET	    0x108
608 # define DP_SET_ANSI_8B10B		    (1 << 0)
609 # define DP_SET_ANSI_128B132B               (1 << 1)
610 
611 #define DP_I2C_SPEED_CONTROL_STATUS	    0x109   /* DPI */
612 /* bitmask as for DP_I2C_SPEED_CAP */
613 
614 #define DP_EDP_CONFIGURATION_SET            0x10a   /* XXX 1.2? */
615 # define DP_ALTERNATE_SCRAMBLER_RESET_ENABLE (1 << 0)
616 # define DP_FRAMING_CHANGE_ENABLE	    (1 << 1)
617 # define DP_PANEL_SELF_TEST_ENABLE	    (1 << 7)
618 
619 #define DP_LINK_QUAL_LANE0_SET		    0x10b   /* DPCD >= 1.2 */
620 #define DP_LINK_QUAL_LANE1_SET		    0x10c
621 #define DP_LINK_QUAL_LANE2_SET		    0x10d
622 #define DP_LINK_QUAL_LANE3_SET		    0x10e
623 # define DP_LINK_QUAL_PATTERN_DISABLE	    0
624 # define DP_LINK_QUAL_PATTERN_D10_2	    1
625 # define DP_LINK_QUAL_PATTERN_ERROR_RATE    2
626 # define DP_LINK_QUAL_PATTERN_PRBS7	    3
627 # define DP_LINK_QUAL_PATTERN_80BIT_CUSTOM  4
628 # define DP_LINK_QUAL_PATTERN_CP2520_PAT_1  5
629 # define DP_LINK_QUAL_PATTERN_CP2520_PAT_2  6
630 # define DP_LINK_QUAL_PATTERN_CP2520_PAT_3  7
631 /* DP 2.0 UHBR10, UHBR13.5, UHBR20 */
632 # define DP_LINK_QUAL_PATTERN_128B132B_TPS1 0x08
633 # define DP_LINK_QUAL_PATTERN_128B132B_TPS2 0x10
634 # define DP_LINK_QUAL_PATTERN_PRSBS9        0x18
635 # define DP_LINK_QUAL_PATTERN_PRSBS11       0x20
636 # define DP_LINK_QUAL_PATTERN_PRSBS15       0x28
637 # define DP_LINK_QUAL_PATTERN_PRSBS23       0x30
638 # define DP_LINK_QUAL_PATTERN_PRSBS31       0x38
639 # define DP_LINK_QUAL_PATTERN_CUSTOM        0x40
640 # define DP_LINK_QUAL_PATTERN_SQUARE        0x48
641 
642 #define DP_TRAINING_LANE0_1_SET2	    0x10f
643 #define DP_TRAINING_LANE2_3_SET2	    0x110
644 # define DP_LANE02_POST_CURSOR2_SET_MASK    (3 << 0)
645 # define DP_LANE02_MAX_POST_CURSOR2_REACHED (1 << 2)
646 # define DP_LANE13_POST_CURSOR2_SET_MASK    (3 << 4)
647 # define DP_LANE13_MAX_POST_CURSOR2_REACHED (1 << 6)
648 
649 #define DP_MSTM_CTRL			    0x111   /* 1.2 */
650 # define DP_MST_EN			    (1 << 0)
651 # define DP_UP_REQ_EN			    (1 << 1)
652 # define DP_UPSTREAM_IS_SRC		    (1 << 2)
653 
654 #define DP_AUDIO_DELAY0			    0x112   /* 1.2 */
655 #define DP_AUDIO_DELAY1			    0x113
656 #define DP_AUDIO_DELAY2			    0x114
657 
658 #define DP_LINK_RATE_SET		    0x115   /* eDP 1.4 */
659 # define DP_LINK_RATE_SET_SHIFT		    0
660 # define DP_LINK_RATE_SET_MASK		    (7 << 0)
661 
662 #define DP_RECEIVER_ALPM_CONFIG		    0x116   /* eDP 1.4 */
663 # define DP_ALPM_ENABLE			    (1 << 0)
664 # define DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE  (1 << 1)
665 
666 #define DP_SINK_DEVICE_AUX_FRAME_SYNC_CONF  0x117   /* eDP 1.4 */
667 # define DP_AUX_FRAME_SYNC_ENABLE	    (1 << 0)
668 # define DP_IRQ_HPD_ENABLE		    (1 << 1)
669 
670 #define DP_UPSTREAM_DEVICE_DP_PWR_NEED	    0x118   /* 1.2 */
671 # define DP_PWR_NOT_NEEDED		    (1 << 0)
672 
673 #define DP_FEC_CONFIGURATION		    0x120    /* 1.4 */
674 # define DP_FEC_READY			    (1 << 0)
675 # define DP_FEC_ERR_COUNT_SEL_MASK	    (7 << 1)
676 # define DP_FEC_ERR_COUNT_DIS		    (0 << 1)
677 # define DP_FEC_UNCORR_BLK_ERROR_COUNT	    (1 << 1)
678 # define DP_FEC_CORR_BLK_ERROR_COUNT	    (2 << 1)
679 # define DP_FEC_BIT_ERROR_COUNT		    (3 << 1)
680 # define DP_FEC_LANE_SELECT_MASK	    (3 << 4)
681 # define DP_FEC_LANE_0_SELECT		    (0 << 4)
682 # define DP_FEC_LANE_1_SELECT		    (1 << 4)
683 # define DP_FEC_LANE_2_SELECT		    (2 << 4)
684 # define DP_FEC_LANE_3_SELECT		    (3 << 4)
685 
686 #define DP_AUX_FRAME_SYNC_VALUE		    0x15c   /* eDP 1.4 */
687 # define DP_AUX_FRAME_SYNC_VALID	    (1 << 0)
688 
689 #define DP_DSC_ENABLE                       0x160   /* DP 1.4 */
690 # define DP_DECOMPRESSION_EN                (1 << 0)
691 #define DP_DSC_CONFIGURATION				0x161	/* DP 2.0 */
692 
693 #define DP_PSR_EN_CFG				0x170   /* XXX 1.2? */
694 # define DP_PSR_ENABLE				BIT(0)
695 # define DP_PSR_MAIN_LINK_ACTIVE		BIT(1)
696 # define DP_PSR_CRC_VERIFICATION		BIT(2)
697 # define DP_PSR_FRAME_CAPTURE			BIT(3)
698 # define DP_PSR_SU_REGION_SCANLINE_CAPTURE	BIT(4) /* eDP 1.4a */
699 # define DP_PSR_IRQ_HPD_WITH_CRC_ERRORS		BIT(5) /* eDP 1.4a */
700 # define DP_PSR_ENABLE_PSR2			BIT(6) /* eDP 1.4a */
701 
702 #define DP_ADAPTER_CTRL			    0x1a0
703 # define DP_ADAPTER_CTRL_FORCE_LOAD_SENSE   (1 << 0)
704 
705 #define DP_BRANCH_DEVICE_CTRL		    0x1a1
706 # define DP_BRANCH_DEVICE_IRQ_HPD	    (1 << 0)
707 
708 #define DP_PAYLOAD_ALLOCATE_SET		    0x1c0
709 #define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1
710 #define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2
711 
712 /* Link/Sink Device Status */
713 #define DP_SINK_COUNT			    0x200
714 /* prior to 1.2 bit 7 was reserved mbz */
715 # define DP_GET_SINK_COUNT(x)		    ((((x) & 0x80) >> 1) | ((x) & 0x3f))
716 # define DP_SINK_CP_READY		    (1 << 6)
717 
718 #define DP_DEVICE_SERVICE_IRQ_VECTOR	    0x201
719 # define DP_REMOTE_CONTROL_COMMAND_PENDING  (1 << 0)
720 # define DP_AUTOMATED_TEST_REQUEST	    (1 << 1)
721 # define DP_CP_IRQ			    (1 << 2)
722 # define DP_MCCS_IRQ			    (1 << 3)
723 # define DP_DOWN_REP_MSG_RDY		    (1 << 4) /* 1.2 MST */
724 # define DP_UP_REQ_MSG_RDY		    (1 << 5) /* 1.2 MST */
725 # define DP_SINK_SPECIFIC_IRQ		    (1 << 6)
726 
727 #define DP_LANE0_1_STATUS		    0x202
728 #define DP_LANE2_3_STATUS		    0x203
729 # define DP_LANE_CR_DONE		    (1 << 0)
730 # define DP_LANE_CHANNEL_EQ_DONE	    (1 << 1)
731 # define DP_LANE_SYMBOL_LOCKED		    (1 << 2)
732 
733 #define DP_CHANNEL_EQ_BITS (DP_LANE_CR_DONE |		\
734 			    DP_LANE_CHANNEL_EQ_DONE |	\
735 			    DP_LANE_SYMBOL_LOCKED)
736 
737 #define DP_LANE_ALIGN_STATUS_UPDATED                    0x204
738 #define  DP_INTERLANE_ALIGN_DONE                        (1 << 0)
739 #define  DP_128B132B_DPRX_EQ_INTERLANE_ALIGN_DONE       (1 << 2) /* 2.0 E11 */
740 #define  DP_128B132B_DPRX_CDS_INTERLANE_ALIGN_DONE      (1 << 3) /* 2.0 E11 */
741 #define  DP_128B132B_LT_FAILED                          (1 << 4) /* 2.0 E11 */
742 #define  DP_DOWNSTREAM_PORT_STATUS_CHANGED              (1 << 6)
743 #define  DP_LINK_STATUS_UPDATED                         (1 << 7)
744 
745 #define DP_SINK_STATUS			    0x205
746 # define DP_RECEIVE_PORT_0_STATUS	    (1 << 0)
747 # define DP_RECEIVE_PORT_1_STATUS	    (1 << 1)
748 # define DP_STREAM_REGENERATION_STATUS      (1 << 2) /* 2.0 */
749 # define DP_INTRA_HOP_AUX_REPLY_INDICATION	(1 << 3) /* 2.0 */
750 
751 #define DP_ADJUST_REQUEST_LANE0_1	    0x206
752 #define DP_ADJUST_REQUEST_LANE2_3	    0x207
753 # define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK  0x03
754 # define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0
755 # define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK   0x0c
756 # define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT  2
757 # define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK  0x30
758 # define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4
759 # define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK   0xc0
760 # define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT  6
761 
762 /* DP 2.0 128b/132b Link Layer */
763 # define DP_ADJUST_TX_FFE_PRESET_LANE0_MASK  (0xf << 0)
764 # define DP_ADJUST_TX_FFE_PRESET_LANE0_SHIFT 0
765 # define DP_ADJUST_TX_FFE_PRESET_LANE1_MASK  (0xf << 4)
766 # define DP_ADJUST_TX_FFE_PRESET_LANE1_SHIFT 4
767 
768 #define DP_ADJUST_REQUEST_POST_CURSOR2      0x20c
769 # define DP_ADJUST_POST_CURSOR2_LANE0_MASK  0x03
770 # define DP_ADJUST_POST_CURSOR2_LANE0_SHIFT 0
771 # define DP_ADJUST_POST_CURSOR2_LANE1_MASK  0x0c
772 # define DP_ADJUST_POST_CURSOR2_LANE1_SHIFT 2
773 # define DP_ADJUST_POST_CURSOR2_LANE2_MASK  0x30
774 # define DP_ADJUST_POST_CURSOR2_LANE2_SHIFT 4
775 # define DP_ADJUST_POST_CURSOR2_LANE3_MASK  0xc0
776 # define DP_ADJUST_POST_CURSOR2_LANE3_SHIFT 6
777 
778 #define DP_TEST_REQUEST			    0x218
779 # define DP_TEST_LINK_TRAINING		    (1 << 0)
780 # define DP_TEST_LINK_VIDEO_PATTERN	    (1 << 1)
781 # define DP_TEST_LINK_EDID_READ		    (1 << 2)
782 # define DP_TEST_LINK_PHY_TEST_PATTERN	    (1 << 3) /* DPCD >= 1.1 */
783 # define DP_TEST_LINK_FAUX_PATTERN	    (1 << 4) /* DPCD >= 1.2 */
784 # define DP_TEST_LINK_AUDIO_PATTERN         (1 << 5) /* DPCD >= 1.2 */
785 # define DP_TEST_LINK_AUDIO_DISABLED_VIDEO  (1 << 6) /* DPCD >= 1.2 */
786 
787 #define DP_TEST_LINK_RATE		    0x219
788 # define DP_LINK_RATE_162		    (0x6)
789 # define DP_LINK_RATE_27		    (0xa)
790 
791 #define DP_TEST_LANE_COUNT		    0x220
792 
793 #define DP_TEST_PATTERN			    0x221
794 # define DP_NO_TEST_PATTERN                 0x0
795 # define DP_COLOR_RAMP                      0x1
796 # define DP_BLACK_AND_WHITE_VERTICAL_LINES  0x2
797 # define DP_COLOR_SQUARE                    0x3
798 
799 #define DP_TEST_H_TOTAL_HI                  0x222
800 #define DP_TEST_H_TOTAL_LO                  0x223
801 
802 #define DP_TEST_V_TOTAL_HI                  0x224
803 #define DP_TEST_V_TOTAL_LO                  0x225
804 
805 #define DP_TEST_H_START_HI                  0x226
806 #define DP_TEST_H_START_LO                  0x227
807 
808 #define DP_TEST_V_START_HI                  0x228
809 #define DP_TEST_V_START_LO                  0x229
810 
811 #define DP_TEST_HSYNC_HI                    0x22A
812 # define DP_TEST_HSYNC_POLARITY             (1 << 7)
813 # define DP_TEST_HSYNC_WIDTH_HI_MASK        (127 << 0)
814 #define DP_TEST_HSYNC_WIDTH_LO              0x22B
815 
816 #define DP_TEST_VSYNC_HI                    0x22C
817 # define DP_TEST_VSYNC_POLARITY             (1 << 7)
818 # define DP_TEST_VSYNC_WIDTH_HI_MASK        (127 << 0)
819 #define DP_TEST_VSYNC_WIDTH_LO              0x22D
820 
821 #define DP_TEST_H_WIDTH_HI                  0x22E
822 #define DP_TEST_H_WIDTH_LO                  0x22F
823 
824 #define DP_TEST_V_HEIGHT_HI                 0x230
825 #define DP_TEST_V_HEIGHT_LO                 0x231
826 
827 #define DP_TEST_MISC0                       0x232
828 # define DP_TEST_SYNC_CLOCK                 (1 << 0)
829 # define DP_TEST_COLOR_FORMAT_MASK          (3 << 1)
830 # define DP_TEST_COLOR_FORMAT_SHIFT         1
831 # define DP_COLOR_FORMAT_RGB                (0 << 1)
832 # define DP_COLOR_FORMAT_YCbCr422           (1 << 1)
833 # define DP_COLOR_FORMAT_YCbCr444           (2 << 1)
834 # define DP_TEST_DYNAMIC_RANGE_VESA         (0 << 3)
835 # define DP_TEST_DYNAMIC_RANGE_CEA          (1 << 3)
836 # define DP_TEST_YCBCR_COEFFICIENTS         (1 << 4)
837 # define DP_YCBCR_COEFFICIENTS_ITU601       (0 << 4)
838 # define DP_YCBCR_COEFFICIENTS_ITU709       (1 << 4)
839 # define DP_TEST_BIT_DEPTH_MASK             (7 << 5)
840 # define DP_TEST_BIT_DEPTH_SHIFT            5
841 # define DP_TEST_BIT_DEPTH_6                (0 << 5)
842 # define DP_TEST_BIT_DEPTH_8                (1 << 5)
843 # define DP_TEST_BIT_DEPTH_10               (2 << 5)
844 # define DP_TEST_BIT_DEPTH_12               (3 << 5)
845 # define DP_TEST_BIT_DEPTH_16               (4 << 5)
846 
847 #define DP_TEST_MISC1                       0x233
848 # define DP_TEST_REFRESH_DENOMINATOR        (1 << 0)
849 # define DP_TEST_INTERLACED                 (1 << 1)
850 
851 #define DP_TEST_REFRESH_RATE_NUMERATOR      0x234
852 
853 #define DP_TEST_MISC0                       0x232
854 
855 #define DP_TEST_CRC_R_CR		    0x240
856 #define DP_TEST_CRC_G_Y			    0x242
857 #define DP_TEST_CRC_B_CB		    0x244
858 
859 #define DP_TEST_SINK_MISC		    0x246
860 # define DP_TEST_CRC_SUPPORTED		    (1 << 5)
861 # define DP_TEST_COUNT_MASK		    0xf
862 
863 #define DP_PHY_TEST_PATTERN                 0x248
864 # define DP_PHY_TEST_PATTERN_SEL_MASK       0x7
865 # define DP_PHY_TEST_PATTERN_NONE           0x0
866 # define DP_PHY_TEST_PATTERN_D10_2          0x1
867 # define DP_PHY_TEST_PATTERN_ERROR_COUNT    0x2
868 # define DP_PHY_TEST_PATTERN_PRBS7          0x3
869 # define DP_PHY_TEST_PATTERN_80BIT_CUSTOM   0x4
870 # define DP_PHY_TEST_PATTERN_CP2520         0x5
871 
872 #define DP_PHY_SQUARE_PATTERN				0x249
873 
874 #define DP_TEST_HBR2_SCRAMBLER_RESET        0x24A
875 #define DP_TEST_80BIT_CUSTOM_PATTERN_7_0    0x250
876 #define	DP_TEST_80BIT_CUSTOM_PATTERN_15_8   0x251
877 #define	DP_TEST_80BIT_CUSTOM_PATTERN_23_16  0x252
878 #define	DP_TEST_80BIT_CUSTOM_PATTERN_31_24  0x253
879 #define	DP_TEST_80BIT_CUSTOM_PATTERN_39_32  0x254
880 #define	DP_TEST_80BIT_CUSTOM_PATTERN_47_40  0x255
881 #define	DP_TEST_80BIT_CUSTOM_PATTERN_55_48  0x256
882 #define	DP_TEST_80BIT_CUSTOM_PATTERN_63_56  0x257
883 #define	DP_TEST_80BIT_CUSTOM_PATTERN_71_64  0x258
884 #define	DP_TEST_80BIT_CUSTOM_PATTERN_79_72  0x259
885 
886 #define DP_TEST_RESPONSE		    0x260
887 # define DP_TEST_ACK			    (1 << 0)
888 # define DP_TEST_NAK			    (1 << 1)
889 # define DP_TEST_EDID_CHECKSUM_WRITE	    (1 << 2)
890 
891 #define DP_TEST_EDID_CHECKSUM		    0x261
892 
893 #define DP_TEST_SINK			    0x270
894 # define DP_TEST_SINK_START		    (1 << 0)
895 #define DP_TEST_AUDIO_MODE		    0x271
896 #define DP_TEST_AUDIO_PATTERN_TYPE	    0x272
897 #define DP_TEST_AUDIO_PERIOD_CH1	    0x273
898 #define DP_TEST_AUDIO_PERIOD_CH2	    0x274
899 #define DP_TEST_AUDIO_PERIOD_CH3	    0x275
900 #define DP_TEST_AUDIO_PERIOD_CH4	    0x276
901 #define DP_TEST_AUDIO_PERIOD_CH5	    0x277
902 #define DP_TEST_AUDIO_PERIOD_CH6	    0x278
903 #define DP_TEST_AUDIO_PERIOD_CH7	    0x279
904 #define DP_TEST_AUDIO_PERIOD_CH8	    0x27A
905 
906 #define DP_FEC_STATUS			    0x280    /* 1.4 */
907 # define DP_FEC_DECODE_EN_DETECTED	    (1 << 0)
908 # define DP_FEC_DECODE_DIS_DETECTED	    (1 << 1)
909 
910 #define DP_FEC_ERROR_COUNT_LSB		    0x0281    /* 1.4 */
911 
912 #define DP_FEC_ERROR_COUNT_MSB		    0x0282    /* 1.4 */
913 # define DP_FEC_ERROR_COUNT_MASK	    0x7F
914 # define DP_FEC_ERR_COUNT_VALID		    (1 << 7)
915 
916 #define DP_PAYLOAD_TABLE_UPDATE_STATUS      0x2c0   /* 1.2 MST */
917 # define DP_PAYLOAD_TABLE_UPDATED           (1 << 0)
918 # define DP_PAYLOAD_ACT_HANDLED             (1 << 1)
919 
920 #define DP_VC_PAYLOAD_ID_SLOT_1             0x2c1   /* 1.2 MST */
921 /* up to ID_SLOT_63 at 0x2ff */
922 
923 /* Source Device-specific */
924 #define DP_SOURCE_OUI			    0x300
925 
926 /* Sink Device-specific */
927 #define DP_SINK_OUI			    0x400
928 
929 /* Branch Device-specific */
930 #define DP_BRANCH_OUI			    0x500
931 #define DP_BRANCH_ID                        0x503
932 #define DP_BRANCH_REVISION_START            0x509
933 #define DP_BRANCH_HW_REV                    0x509
934 #define DP_BRANCH_SW_REV                    0x50A
935 
936 /* Link/Sink Device Power Control */
937 #define DP_SET_POWER                        0x600
938 # define DP_SET_POWER_D0                    0x1
939 # define DP_SET_POWER_D3                    0x2
940 # define DP_SET_POWER_MASK                  0x3
941 # define DP_SET_POWER_D3_AUX_ON             0x5
942 
943 /* eDP-specific */
944 #define DP_EDP_DPCD_REV			    0x700    /* eDP 1.2 */
945 # define DP_EDP_11			    0x00
946 # define DP_EDP_12			    0x01
947 # define DP_EDP_13			    0x02
948 # define DP_EDP_14			    0x03
949 # define DP_EDP_14a                         0x04    /* eDP 1.4a */
950 # define DP_EDP_14b                         0x05    /* eDP 1.4b */
951 
952 #define DP_EDP_GENERAL_CAP_1		    0x701
953 # define DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP		(1 << 0)
954 # define DP_EDP_BACKLIGHT_PIN_ENABLE_CAP		(1 << 1)
955 # define DP_EDP_BACKLIGHT_AUX_ENABLE_CAP		(1 << 2)
956 # define DP_EDP_PANEL_SELF_TEST_PIN_ENABLE_CAP		(1 << 3)
957 # define DP_EDP_PANEL_SELF_TEST_AUX_ENABLE_CAP		(1 << 4)
958 # define DP_EDP_FRC_ENABLE_CAP				(1 << 5)
959 # define DP_EDP_COLOR_ENGINE_CAP			(1 << 6)
960 # define DP_EDP_SET_POWER_CAP				(1 << 7)
961 
962 #define DP_EDP_BACKLIGHT_ADJUSTMENT_CAP     0x702
963 # define DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP	(1 << 0)
964 # define DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP	(1 << 1)
965 # define DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT		(1 << 2)
966 # define DP_EDP_BACKLIGHT_AUX_PWM_PRODUCT_CAP		(1 << 3)
967 # define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_CAP	(1 << 4)
968 # define DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP		(1 << 5)
969 # define DP_EDP_DYNAMIC_BACKLIGHT_CAP			(1 << 6)
970 # define DP_EDP_VBLANK_BACKLIGHT_UPDATE_CAP		(1 << 7)
971 
972 #define DP_EDP_GENERAL_CAP_2		    0x703
973 # define DP_EDP_OVERDRIVE_ENGINE_ENABLED		(1 << 0)
974 
975 #define DP_EDP_GENERAL_CAP_3		    0x704    /* eDP 1.4 */
976 # define DP_EDP_X_REGION_CAP_MASK			(0xf << 0)
977 # define DP_EDP_X_REGION_CAP_SHIFT			0
978 # define DP_EDP_Y_REGION_CAP_MASK			(0xf << 4)
979 # define DP_EDP_Y_REGION_CAP_SHIFT			4
980 
981 #define DP_EDP_DISPLAY_CONTROL_REGISTER     0x720
982 # define DP_EDP_BACKLIGHT_ENABLE			(1 << 0)
983 # define DP_EDP_BLACK_VIDEO_ENABLE			(1 << 1)
984 # define DP_EDP_FRC_ENABLE				(1 << 2)
985 # define DP_EDP_COLOR_ENGINE_ENABLE			(1 << 3)
986 # define DP_EDP_VBLANK_BACKLIGHT_UPDATE_ENABLE		(1 << 7)
987 
988 #define DP_EDP_BACKLIGHT_MODE_SET_REGISTER  0x721
989 # define DP_EDP_BACKLIGHT_CONTROL_MODE_MASK		(3 << 0)
990 # define DP_EDP_BACKLIGHT_CONTROL_MODE_PWM		(0 << 0)
991 # define DP_EDP_BACKLIGHT_CONTROL_MODE_PRESET		(1 << 0)
992 # define DP_EDP_BACKLIGHT_CONTROL_MODE_DPCD		(2 << 0)
993 # define DP_EDP_BACKLIGHT_CONTROL_MODE_PRODUCT		(3 << 0)
994 # define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_ENABLE	(1 << 2)
995 # define DP_EDP_BACKLIGHT_FREQ_AUX_SET_ENABLE		(1 << 3)
996 # define DP_EDP_DYNAMIC_BACKLIGHT_ENABLE		(1 << 4)
997 # define DP_EDP_REGIONAL_BACKLIGHT_ENABLE		(1 << 5)
998 # define DP_EDP_UPDATE_REGION_BRIGHTNESS		(1 << 6) /* eDP 1.4 */
999 
1000 #define DP_EDP_BACKLIGHT_BRIGHTNESS_MSB     0x722
1001 #define DP_EDP_BACKLIGHT_BRIGHTNESS_LSB     0x723
1002 
1003 #define DP_EDP_PWMGEN_BIT_COUNT             0x724
1004 #define DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN     0x725
1005 #define DP_EDP_PWMGEN_BIT_COUNT_CAP_MAX     0x726
1006 # define DP_EDP_PWMGEN_BIT_COUNT_MASK       (0x1f << 0)
1007 
1008 #define DP_EDP_BACKLIGHT_CONTROL_STATUS     0x727
1009 
1010 #define DP_EDP_BACKLIGHT_FREQ_SET           0x728
1011 # define DP_EDP_BACKLIGHT_FREQ_BASE_KHZ     27000
1012 
1013 #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MSB   0x72a
1014 #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MID   0x72b
1015 #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_LSB   0x72c
1016 
1017 #define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MSB   0x72d
1018 #define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MID   0x72e
1019 #define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB   0x72f
1020 
1021 #define DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET   0x732
1022 #define DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET   0x733
1023 
1024 #define DP_EDP_REGIONAL_BACKLIGHT_BASE      0x740    /* eDP 1.4 */
1025 #define DP_EDP_REGIONAL_BACKLIGHT_0	    0x741    /* eDP 1.4 */
1026 
1027 #define DP_EDP_MSO_LINK_CAPABILITIES        0x7a4    /* eDP 1.4 */
1028 # define DP_EDP_MSO_NUMBER_OF_LINKS_MASK    (7 << 0)
1029 # define DP_EDP_MSO_NUMBER_OF_LINKS_SHIFT   0
1030 # define DP_EDP_MSO_INDEPENDENT_LINK_BIT    (1 << 3)
1031 
1032 /* Sideband MSG Buffers */
1033 #define DP_SIDEBAND_MSG_DOWN_REQ_BASE	    0x1000   /* 1.2 MST */
1034 #define DP_SIDEBAND_MSG_UP_REP_BASE	    0x1200   /* 1.2 MST */
1035 #define DP_SIDEBAND_MSG_DOWN_REP_BASE	    0x1400   /* 1.2 MST */
1036 #define DP_SIDEBAND_MSG_UP_REQ_BASE	    0x1600   /* 1.2 MST */
1037 
1038 /* DPRX Event Status Indicator */
1039 #define DP_SINK_COUNT_ESI                   0x2002   /* same as 0x200 */
1040 #define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0   0x2003   /* same as 0x201 */
1041 
1042 #define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1   0x2004   /* 1.2 */
1043 # define DP_RX_GTC_MSTR_REQ_STATUS_CHANGE    (1 << 0)
1044 # define DP_LOCK_ACQUISITION_REQUEST         (1 << 1)
1045 # define DP_CEC_IRQ                          (1 << 2)
1046 
1047 #define DP_LINK_SERVICE_IRQ_VECTOR_ESI0     0x2005   /* 1.2 */
1048 # define RX_CAP_CHANGED                      (1 << 0)
1049 # define LINK_STATUS_CHANGED                 (1 << 1)
1050 # define STREAM_STATUS_CHANGED               (1 << 2)
1051 # define HDMI_LINK_STATUS_CHANGED            (1 << 3)
1052 # define CONNECTED_OFF_ENTRY_REQUESTED       (1 << 4)
1053 
1054 #define DP_PSR_ERROR_STATUS                 0x2006  /* XXX 1.2? */
1055 # define DP_PSR_LINK_CRC_ERROR              (1 << 0)
1056 # define DP_PSR_RFB_STORAGE_ERROR           (1 << 1)
1057 # define DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR (1 << 2) /* eDP 1.4 */
1058 
1059 #define DP_PSR_ESI                          0x2007  /* XXX 1.2? */
1060 # define DP_PSR_CAPS_CHANGE                 (1 << 0)
1061 
1062 #define DP_PSR_STATUS                       0x2008  /* XXX 1.2? */
1063 # define DP_PSR_SINK_INACTIVE               0
1064 # define DP_PSR_SINK_ACTIVE_SRC_SYNCED      1
1065 # define DP_PSR_SINK_ACTIVE_RFB             2
1066 # define DP_PSR_SINK_ACTIVE_SINK_SYNCED     3
1067 # define DP_PSR_SINK_ACTIVE_RESYNC          4
1068 # define DP_PSR_SINK_INTERNAL_ERROR         7
1069 # define DP_PSR_SINK_STATE_MASK             0x07
1070 
1071 #define DP_SYNCHRONIZATION_LATENCY_IN_SINK		0x2009 /* edp 1.4 */
1072 # define DP_MAX_RESYNC_FRAME_COUNT_MASK			(0xf << 0)
1073 # define DP_MAX_RESYNC_FRAME_COUNT_SHIFT		0
1074 # define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_MASK	(0xf << 4)
1075 # define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_SHIFT	4
1076 
1077 #define DP_LAST_RECEIVED_PSR_SDP	    0x200a /* eDP 1.2 */
1078 # define DP_PSR_STATE_BIT		    (1 << 0) /* eDP 1.2 */
1079 # define DP_UPDATE_RFB_BIT		    (1 << 1) /* eDP 1.2 */
1080 # define DP_CRC_VALID_BIT		    (1 << 2) /* eDP 1.2 */
1081 # define DP_SU_VALID			    (1 << 3) /* eDP 1.4 */
1082 # define DP_FIRST_SCAN_LINE_SU_REGION	    (1 << 4) /* eDP 1.4 */
1083 # define DP_LAST_SCAN_LINE_SU_REGION	    (1 << 5) /* eDP 1.4 */
1084 # define DP_Y_COORDINATE_VALID		    (1 << 6) /* eDP 1.4a */
1085 
1086 #define DP_RECEIVER_ALPM_STATUS		    0x200b  /* eDP 1.4 */
1087 # define DP_ALPM_LOCK_TIMEOUT_ERROR	    (1 << 0)
1088 
1089 #define DP_LANE0_1_STATUS_ESI                  0x200c /* status same as 0x202 */
1090 #define DP_LANE2_3_STATUS_ESI                  0x200d /* status same as 0x203 */
1091 #define DP_LANE_ALIGN_STATUS_UPDATED_ESI       0x200e /* status same as 0x204 */
1092 #define DP_SINK_STATUS_ESI                     0x200f /* status same as 0x205 */
1093 
1094 /* Extended Receiver Capability: See DP_DPCD_REV for definitions */
1095 #define DP_DP13_DPCD_REV                    0x2200
1096 
1097 #define DP_DPRX_FEATURE_ENUMERATION_LIST    0x2210  /* DP 1.3 */
1098 # define DP_GTC_CAP					(1 << 0)  /* DP 1.3 */
1099 # define DP_SST_SPLIT_SDP_CAP				(1 << 1)  /* DP 1.4 */
1100 # define DP_AV_SYNC_CAP					(1 << 2)  /* DP 1.3 */
1101 # define DP_VSC_SDP_EXT_FOR_COLORIMETRY_SUPPORTED	(1 << 3)  /* DP 1.3 */
1102 # define DP_VSC_EXT_VESA_SDP_SUPPORTED			(1 << 4)  /* DP 1.4 */
1103 # define DP_VSC_EXT_VESA_SDP_CHAINING_SUPPORTED		(1 << 5)  /* DP 1.4 */
1104 # define DP_VSC_EXT_CEA_SDP_SUPPORTED			(1 << 6)  /* DP 1.4 */
1105 # define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED		(1 << 7)  /* DP 1.4 */
1106 
1107 #define DP_128B132B_SUPPORTED_LINK_RATES       0x2215 /* 2.0 */
1108 # define DP_UHBR10                             (1 << 0)
1109 # define DP_UHBR20                             (1 << 1)
1110 # define DP_UHBR13_5                           (1 << 2)
1111 
1112 #define DP_128B132B_TRAINING_AUX_RD_INTERVAL                    0x2216 /* 2.0 */
1113 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_1MS_UNIT          (1 << 7)
1114 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK              0x7f
1115 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_400_US            0x00
1116 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_4_MS              0x01
1117 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_8_MS              0x02
1118 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_12_MS             0x03
1119 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_16_MS             0x04
1120 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_32_MS             0x05
1121 # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_64_MS             0x06
1122 
1123 #define DP_TEST_264BIT_CUSTOM_PATTERN_7_0		0x2230
1124 #define DP_TEST_264BIT_CUSTOM_PATTERN_263_256	0x2250
1125 
1126 /* DSC Extended Capability Branch Total DSC Resources */
1127 #define DP_DSC_SUPPORT_AND_DSC_DECODER_COUNT		0x2260	/* 2.0 */
1128 # define DP_DSC_DECODER_COUNT_MASK			(0b111 << 5)
1129 # define DP_DSC_DECODER_COUNT_SHIFT			5
1130 #define DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0	0x2270	/* 2.0 */
1131 # define DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK	(1 << 0)
1132 # define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK	(0b111 << 1)
1133 # define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT	1
1134 
1135 /* Protocol Converter Extension */
1136 /* HDMI CEC tunneling over AUX DP 1.3 section 5.3.3.3.1 DPCD 1.4+ */
1137 #define DP_CEC_TUNNELING_CAPABILITY            0x3000
1138 # define DP_CEC_TUNNELING_CAPABLE               (1 << 0)
1139 # define DP_CEC_SNOOPING_CAPABLE                (1 << 1)
1140 # define DP_CEC_MULTIPLE_LA_CAPABLE             (1 << 2)
1141 
1142 #define DP_CEC_TUNNELING_CONTROL               0x3001
1143 # define DP_CEC_TUNNELING_ENABLE                (1 << 0)
1144 # define DP_CEC_SNOOPING_ENABLE                 (1 << 1)
1145 
1146 #define DP_CEC_RX_MESSAGE_INFO                 0x3002
1147 # define DP_CEC_RX_MESSAGE_LEN_MASK             (0xf << 0)
1148 # define DP_CEC_RX_MESSAGE_LEN_SHIFT            0
1149 # define DP_CEC_RX_MESSAGE_HPD_STATE            (1 << 4)
1150 # define DP_CEC_RX_MESSAGE_HPD_LOST             (1 << 5)
1151 # define DP_CEC_RX_MESSAGE_ACKED                (1 << 6)
1152 # define DP_CEC_RX_MESSAGE_ENDED                (1 << 7)
1153 
1154 #define DP_CEC_TX_MESSAGE_INFO                 0x3003
1155 # define DP_CEC_TX_MESSAGE_LEN_MASK             (0xf << 0)
1156 # define DP_CEC_TX_MESSAGE_LEN_SHIFT            0
1157 # define DP_CEC_TX_RETRY_COUNT_MASK             (0x7 << 4)
1158 # define DP_CEC_TX_RETRY_COUNT_SHIFT            4
1159 # define DP_CEC_TX_MESSAGE_SEND                 (1 << 7)
1160 
1161 #define DP_CEC_TUNNELING_IRQ_FLAGS             0x3004
1162 # define DP_CEC_RX_MESSAGE_INFO_VALID           (1 << 0)
1163 # define DP_CEC_RX_MESSAGE_OVERFLOW             (1 << 1)
1164 # define DP_CEC_TX_MESSAGE_SENT                 (1 << 4)
1165 # define DP_CEC_TX_LINE_ERROR                   (1 << 5)
1166 # define DP_CEC_TX_ADDRESS_NACK_ERROR           (1 << 6)
1167 # define DP_CEC_TX_DATA_NACK_ERROR              (1 << 7)
1168 
1169 #define DP_CEC_LOGICAL_ADDRESS_MASK            0x300E /* 0x300F word */
1170 # define DP_CEC_LOGICAL_ADDRESS_0               (1 << 0)
1171 # define DP_CEC_LOGICAL_ADDRESS_1               (1 << 1)
1172 # define DP_CEC_LOGICAL_ADDRESS_2               (1 << 2)
1173 # define DP_CEC_LOGICAL_ADDRESS_3               (1 << 3)
1174 # define DP_CEC_LOGICAL_ADDRESS_4               (1 << 4)
1175 # define DP_CEC_LOGICAL_ADDRESS_5               (1 << 5)
1176 # define DP_CEC_LOGICAL_ADDRESS_6               (1 << 6)
1177 # define DP_CEC_LOGICAL_ADDRESS_7               (1 << 7)
1178 #define DP_CEC_LOGICAL_ADDRESS_MASK_2          0x300F /* 0x300E word */
1179 # define DP_CEC_LOGICAL_ADDRESS_8               (1 << 0)
1180 # define DP_CEC_LOGICAL_ADDRESS_9               (1 << 1)
1181 # define DP_CEC_LOGICAL_ADDRESS_10              (1 << 2)
1182 # define DP_CEC_LOGICAL_ADDRESS_11              (1 << 3)
1183 # define DP_CEC_LOGICAL_ADDRESS_12              (1 << 4)
1184 # define DP_CEC_LOGICAL_ADDRESS_13              (1 << 5)
1185 # define DP_CEC_LOGICAL_ADDRESS_14              (1 << 6)
1186 # define DP_CEC_LOGICAL_ADDRESS_15              (1 << 7)
1187 
1188 #define DP_CEC_RX_MESSAGE_BUFFER               0x3010
1189 #define DP_CEC_TX_MESSAGE_BUFFER               0x3020
1190 #define DP_CEC_MESSAGE_BUFFER_LENGTH             0x10
1191 
1192 /* PCON CONFIGURE-1 FRL FOR HDMI SINK */
1193 #define DP_PCON_HDMI_LINK_CONFIG_1             0x305A
1194 # define DP_PCON_ENABLE_MAX_FRL_BW             (7 << 0)
1195 # define DP_PCON_ENABLE_MAX_BW_0GBPS	       0
1196 # define DP_PCON_ENABLE_MAX_BW_9GBPS	       1
1197 # define DP_PCON_ENABLE_MAX_BW_18GBPS	       2
1198 # define DP_PCON_ENABLE_MAX_BW_24GBPS	       3
1199 # define DP_PCON_ENABLE_MAX_BW_32GBPS	       4
1200 # define DP_PCON_ENABLE_MAX_BW_40GBPS	       5
1201 # define DP_PCON_ENABLE_MAX_BW_48GBPS	       6
1202 # define DP_PCON_ENABLE_SOURCE_CTL_MODE       (1 << 3)
1203 # define DP_PCON_ENABLE_CONCURRENT_LINK       (1 << 4)
1204 # define DP_PCON_ENABLE_SEQUENTIAL_LINK       (0 << 4)
1205 # define DP_PCON_ENABLE_LINK_FRL_MODE         (1 << 5)
1206 # define DP_PCON_ENABLE_HPD_READY	      (1 << 6)
1207 # define DP_PCON_ENABLE_HDMI_LINK             (1 << 7)
1208 
1209 /* PCON CONFIGURE-2 FRL FOR HDMI SINK */
1210 #define DP_PCON_HDMI_LINK_CONFIG_2            0x305B
1211 # define DP_PCON_MAX_LINK_BW_MASK             (0x3F << 0)
1212 # define DP_PCON_FRL_BW_MASK_9GBPS            (1 << 0)
1213 # define DP_PCON_FRL_BW_MASK_18GBPS           (1 << 1)
1214 # define DP_PCON_FRL_BW_MASK_24GBPS           (1 << 2)
1215 # define DP_PCON_FRL_BW_MASK_32GBPS           (1 << 3)
1216 # define DP_PCON_FRL_BW_MASK_40GBPS           (1 << 4)
1217 # define DP_PCON_FRL_BW_MASK_48GBPS           (1 << 5)
1218 # define DP_PCON_FRL_LINK_TRAIN_EXTENDED      (1 << 6)
1219 # define DP_PCON_FRL_LINK_TRAIN_NORMAL        (0 << 6)
1220 
1221 /* PCON HDMI LINK STATUS */
1222 #define DP_PCON_HDMI_TX_LINK_STATUS           0x303B
1223 # define DP_PCON_HDMI_TX_LINK_ACTIVE          (1 << 0)
1224 # define DP_PCON_FRL_READY		      (1 << 1)
1225 
1226 /* PCON HDMI POST FRL STATUS */
1227 #define DP_PCON_HDMI_POST_FRL_STATUS          0x3036
1228 # define DP_PCON_HDMI_LINK_MODE               (1 << 0)
1229 # define DP_PCON_HDMI_MODE_TMDS               0
1230 # define DP_PCON_HDMI_MODE_FRL                1
1231 # define DP_PCON_HDMI_FRL_TRAINED_BW          (0x3F << 1)
1232 # define DP_PCON_FRL_TRAINED_BW_9GBPS	      (1 << 1)
1233 # define DP_PCON_FRL_TRAINED_BW_18GBPS	      (1 << 2)
1234 # define DP_PCON_FRL_TRAINED_BW_24GBPS	      (1 << 3)
1235 # define DP_PCON_FRL_TRAINED_BW_32GBPS	      (1 << 4)
1236 # define DP_PCON_FRL_TRAINED_BW_40GBPS	      (1 << 5)
1237 # define DP_PCON_FRL_TRAINED_BW_48GBPS	      (1 << 6)
1238 
1239 #define DP_PROTOCOL_CONVERTER_CONTROL_0		0x3050 /* DP 1.3 */
1240 # define DP_HDMI_DVI_OUTPUT_CONFIG		(1 << 0) /* DP 1.3 */
1241 #define DP_PROTOCOL_CONVERTER_CONTROL_1		0x3051 /* DP 1.3 */
1242 # define DP_CONVERSION_TO_YCBCR420_ENABLE	(1 << 0) /* DP 1.3 */
1243 # define DP_HDMI_EDID_PROCESSING_DISABLE	(1 << 1) /* DP 1.4 */
1244 # define DP_HDMI_AUTONOMOUS_SCRAMBLING_DISABLE	(1 << 2) /* DP 1.4 */
1245 # define DP_HDMI_FORCE_SCRAMBLING		(1 << 3) /* DP 1.4 */
1246 #define DP_PROTOCOL_CONVERTER_CONTROL_2		0x3052 /* DP 1.3 */
1247 # define DP_CONVERSION_TO_YCBCR422_ENABLE	(1 << 0) /* DP 1.3 */
1248 # define DP_PCON_ENABLE_DSC_ENCODER	        (1 << 1)
1249 # define DP_PCON_ENCODER_PPS_OVERRIDE_MASK	(0x3 << 2)
1250 # define DP_PCON_ENC_PPS_OVERRIDE_DISABLED      0
1251 # define DP_PCON_ENC_PPS_OVERRIDE_EN_PARAMS     1
1252 # define DP_PCON_ENC_PPS_OVERRIDE_EN_BUFFER     2
1253 # define DP_CONVERSION_RGB_YCBCR_MASK	       (7 << 4)
1254 # define DP_CONVERSION_BT601_RGB_YCBCR_ENABLE  (1 << 4)
1255 # define DP_CONVERSION_BT709_RGB_YCBCR_ENABLE  (1 << 5)
1256 # define DP_CONVERSION_BT2020_RGB_YCBCR_ENABLE (1 << 6)
1257 
1258 /* PCON Downstream HDMI ERROR Status per Lane */
1259 #define DP_PCON_HDMI_ERROR_STATUS_LN0          0x3037
1260 #define DP_PCON_HDMI_ERROR_STATUS_LN1          0x3038
1261 #define DP_PCON_HDMI_ERROR_STATUS_LN2          0x3039
1262 #define DP_PCON_HDMI_ERROR_STATUS_LN3          0x303A
1263 # define DP_PCON_HDMI_ERROR_COUNT_MASK         (0x7 << 0)
1264 # define DP_PCON_HDMI_ERROR_COUNT_THREE_PLUS   (1 << 0)
1265 # define DP_PCON_HDMI_ERROR_COUNT_TEN_PLUS     (1 << 1)
1266 # define DP_PCON_HDMI_ERROR_COUNT_HUNDRED_PLUS (1 << 2)
1267 
1268 /* PCON HDMI CONFIG PPS Override Buffer
1269  * Valid Offsets to be added to Base : 0-127
1270  */
1271 #define DP_PCON_HDMI_PPS_OVERRIDE_BASE        0x3100
1272 
1273 /* PCON HDMI CONFIG PPS Override Parameter: Slice height
1274  * Offset-0 8LSBs of the Slice height.
1275  * Offset-1 8MSBs of the Slice height.
1276  */
1277 #define DP_PCON_HDMI_PPS_OVRD_SLICE_HEIGHT    0x3180
1278 
1279 /* PCON HDMI CONFIG PPS Override Parameter: Slice width
1280  * Offset-0 8LSBs of the Slice width.
1281  * Offset-1 8MSBs of the Slice width.
1282  */
1283 #define DP_PCON_HDMI_PPS_OVRD_SLICE_WIDTH    0x3182
1284 
1285 /* PCON HDMI CONFIG PPS Override Parameter: bits_per_pixel
1286  * Offset-0 8LSBs of the bits_per_pixel.
1287  * Offset-1 2MSBs of the bits_per_pixel.
1288  */
1289 #define DP_PCON_HDMI_PPS_OVRD_BPP	     0x3184
1290 
1291 /* HDCP 1.3 and HDCP 2.2 */
1292 #define DP_AUX_HDCP_BKSV		0x68000
1293 #define DP_AUX_HDCP_RI_PRIME		0x68005
1294 #define DP_AUX_HDCP_AKSV		0x68007
1295 #define DP_AUX_HDCP_AN			0x6800C
1296 #define DP_AUX_HDCP_V_PRIME(h)		(0x68014 + h * 4)
1297 #define DP_AUX_HDCP_BCAPS		0x68028
1298 # define DP_BCAPS_REPEATER_PRESENT	BIT(1)
1299 # define DP_BCAPS_HDCP_CAPABLE		BIT(0)
1300 #define DP_AUX_HDCP_BSTATUS		0x68029
1301 # define DP_BSTATUS_REAUTH_REQ		BIT(3)
1302 # define DP_BSTATUS_LINK_FAILURE	BIT(2)
1303 # define DP_BSTATUS_R0_PRIME_READY	BIT(1)
1304 # define DP_BSTATUS_READY		BIT(0)
1305 #define DP_AUX_HDCP_BINFO		0x6802A
1306 #define DP_AUX_HDCP_KSV_FIFO		0x6802C
1307 #define DP_AUX_HDCP_AINFO		0x6803B
1308 
1309 /* DP HDCP2.2 parameter offsets in DPCD address space */
1310 #define DP_HDCP_2_2_REG_RTX_OFFSET		0x69000
1311 #define DP_HDCP_2_2_REG_TXCAPS_OFFSET		0x69008
1312 #define DP_HDCP_2_2_REG_CERT_RX_OFFSET		0x6900B
1313 #define DP_HDCP_2_2_REG_RRX_OFFSET		0x69215
1314 #define DP_HDCP_2_2_REG_RX_CAPS_OFFSET		0x6921D
1315 #define DP_HDCP_2_2_REG_EKPUB_KM_OFFSET		0x69220
1316 #define DP_HDCP_2_2_REG_EKH_KM_WR_OFFSET	0x692A0
1317 #define DP_HDCP_2_2_REG_M_OFFSET		0x692B0
1318 #define DP_HDCP_2_2_REG_HPRIME_OFFSET		0x692C0
1319 #define DP_HDCP_2_2_REG_EKH_KM_RD_OFFSET	0x692E0
1320 #define DP_HDCP_2_2_REG_RN_OFFSET		0x692F0
1321 #define DP_HDCP_2_2_REG_LPRIME_OFFSET		0x692F8
1322 #define DP_HDCP_2_2_REG_EDKEY_KS_OFFSET		0x69318
1323 #define	DP_HDCP_2_2_REG_RIV_OFFSET		0x69328
1324 #define DP_HDCP_2_2_REG_RXINFO_OFFSET		0x69330
1325 #define DP_HDCP_2_2_REG_SEQ_NUM_V_OFFSET	0x69332
1326 #define DP_HDCP_2_2_REG_VPRIME_OFFSET		0x69335
1327 #define DP_HDCP_2_2_REG_RECV_ID_LIST_OFFSET	0x69345
1328 #define DP_HDCP_2_2_REG_V_OFFSET		0x693E0
1329 #define DP_HDCP_2_2_REG_SEQ_NUM_M_OFFSET	0x693F0
1330 #define DP_HDCP_2_2_REG_K_OFFSET		0x693F3
1331 #define DP_HDCP_2_2_REG_STREAM_ID_TYPE_OFFSET	0x693F5
1332 #define DP_HDCP_2_2_REG_MPRIME_OFFSET		0x69473
1333 #define DP_HDCP_2_2_REG_RXSTATUS_OFFSET		0x69493
1334 #define DP_HDCP_2_2_REG_STREAM_TYPE_OFFSET	0x69494
1335 #define DP_HDCP_2_2_REG_DBG_OFFSET		0x69518
1336 
1337 /* LTTPR: Link Training (LT)-tunable PHY Repeaters */
1338 #define DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV 0xf0000 /* 1.3 */
1339 #define DP_MAX_LINK_RATE_PHY_REPEATER			    0xf0001 /* 1.4a */
1340 #define DP_PHY_REPEATER_CNT				    0xf0002 /* 1.3 */
1341 #define DP_PHY_REPEATER_MODE				    0xf0003 /* 1.3 */
1342 #define DP_MAX_LANE_COUNT_PHY_REPEATER			    0xf0004 /* 1.4a */
1343 #define DP_Repeater_FEC_CAPABILITY			    0xf0004 /* 1.4 */
1344 #define DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT		    0xf0005 /* 1.4a */
1345 #define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER	    0xf0006 /* 2.0 */
1346 # define DP_PHY_REPEATER_128B132B_SUPPORTED		    (1 << 0)
1347 /* See DP_128B132B_SUPPORTED_LINK_RATES for values */
1348 #define DP_PHY_REPEATER_128B132B_RATES			    0xf0007 /* 2.0 */
1349 #define DP_PHY_REPEATER_EQ_DONE                             0xf0008 /* 2.0 E11 */
1350 
1351 enum drm_dp_phy {
1352 	DP_PHY_DPRX,
1353 
1354 	DP_PHY_LTTPR1,
1355 	DP_PHY_LTTPR2,
1356 	DP_PHY_LTTPR3,
1357 	DP_PHY_LTTPR4,
1358 	DP_PHY_LTTPR5,
1359 	DP_PHY_LTTPR6,
1360 	DP_PHY_LTTPR7,
1361 	DP_PHY_LTTPR8,
1362 
1363 	DP_MAX_LTTPR_COUNT = DP_PHY_LTTPR8,
1364 };
1365 
1366 #define DP_PHY_LTTPR(i)					    (DP_PHY_LTTPR1 + (i))
1367 
1368 #define __DP_LTTPR1_BASE				    0xf0010 /* 1.3 */
1369 #define __DP_LTTPR2_BASE				    0xf0060 /* 1.3 */
1370 #define DP_LTTPR_BASE(dp_phy) \
1371 	(__DP_LTTPR1_BASE + (__DP_LTTPR2_BASE - __DP_LTTPR1_BASE) * \
1372 		((dp_phy) - DP_PHY_LTTPR1))
1373 
1374 #define DP_LTTPR_REG(dp_phy, lttpr1_reg) \
1375 	(DP_LTTPR_BASE(dp_phy) - DP_LTTPR_BASE(DP_PHY_LTTPR1) + (lttpr1_reg))
1376 
1377 #define DP_TRAINING_PATTERN_SET_PHY_REPEATER1		    0xf0010 /* 1.3 */
1378 #define DP_TRAINING_PATTERN_SET_PHY_REPEATER(dp_phy) \
1379 	DP_LTTPR_REG(dp_phy, DP_TRAINING_PATTERN_SET_PHY_REPEATER1)
1380 
1381 #define DP_TRAINING_LANE0_SET_PHY_REPEATER1		    0xf0011 /* 1.3 */
1382 #define DP_TRAINING_LANE0_SET_PHY_REPEATER(dp_phy) \
1383 	DP_LTTPR_REG(dp_phy, DP_TRAINING_LANE0_SET_PHY_REPEATER1)
1384 
1385 #define DP_TRAINING_LANE1_SET_PHY_REPEATER1		    0xf0012 /* 1.3 */
1386 #define DP_TRAINING_LANE2_SET_PHY_REPEATER1		    0xf0013 /* 1.3 */
1387 #define DP_TRAINING_LANE3_SET_PHY_REPEATER1		    0xf0014 /* 1.3 */
1388 #define DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1	    0xf0020 /* 1.4a */
1389 #define DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER(dp_phy)	\
1390 	DP_LTTPR_REG(dp_phy, DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1)
1391 
1392 #define DP_TRANSMITTER_CAPABILITY_PHY_REPEATER1		    0xf0021 /* 1.4a */
1393 # define DP_VOLTAGE_SWING_LEVEL_3_SUPPORTED		    BIT(0)
1394 # define DP_PRE_EMPHASIS_LEVEL_3_SUPPORTED		    BIT(1)
1395 
1396 #define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1  0xf0022 /* 2.0 */
1397 #define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER(dp_phy)	\
1398 	DP_LTTPR_REG(dp_phy, DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1)
1399 /* see DP_128B132B_TRAINING_AUX_RD_INTERVAL for values */
1400 
1401 #define DP_LANE0_1_STATUS_PHY_REPEATER1			    0xf0030 /* 1.3 */
1402 #define DP_LANE0_1_STATUS_PHY_REPEATER(dp_phy) \
1403 	DP_LTTPR_REG(dp_phy, DP_LANE0_1_STATUS_PHY_REPEATER1)
1404 
1405 #define DP_LANE2_3_STATUS_PHY_REPEATER1			    0xf0031 /* 1.3 */
1406 
1407 #define DP_LANE_ALIGN_STATUS_UPDATED_PHY_REPEATER1	    0xf0032 /* 1.3 */
1408 #define DP_ADJUST_REQUEST_LANE0_1_PHY_REPEATER1		    0xf0033 /* 1.3 */
1409 #define DP_ADJUST_REQUEST_LANE2_3_PHY_REPEATER1		    0xf0034 /* 1.3 */
1410 #define DP_SYMBOL_ERROR_COUNT_LANE0_PHY_REPEATER1	    0xf0035 /* 1.3 */
1411 #define DP_SYMBOL_ERROR_COUNT_LANE1_PHY_REPEATER1	    0xf0037 /* 1.3 */
1412 #define DP_SYMBOL_ERROR_COUNT_LANE2_PHY_REPEATER1	    0xf0039 /* 1.3 */
1413 #define DP_SYMBOL_ERROR_COUNT_LANE3_PHY_REPEATER1	    0xf003b /* 1.3 */
1414 
1415 #define __DP_FEC1_BASE					    0xf0290 /* 1.4 */
1416 #define __DP_FEC2_BASE					    0xf0298 /* 1.4 */
1417 #define DP_FEC_BASE(dp_phy) \
1418 	(__DP_FEC1_BASE + ((__DP_FEC2_BASE - __DP_FEC1_BASE) * \
1419 			   ((dp_phy) - DP_PHY_LTTPR1)))
1420 
1421 #define DP_FEC_REG(dp_phy, fec1_reg) \
1422 	(DP_FEC_BASE(dp_phy) - DP_FEC_BASE(DP_PHY_LTTPR1) + fec1_reg)
1423 
1424 #define DP_FEC_STATUS_PHY_REPEATER1			    0xf0290 /* 1.4 */
1425 #define DP_FEC_STATUS_PHY_REPEATER(dp_phy) \
1426 	DP_FEC_REG(dp_phy, DP_FEC_STATUS_PHY_REPEATER1)
1427 
1428 #define DP_FEC_ERROR_COUNT_PHY_REPEATER1                    0xf0291 /* 1.4 */
1429 #define DP_FEC_CAPABILITY_PHY_REPEATER1                     0xf0294 /* 1.4a */
1430 
1431 #define DP_LTTPR_MAX_ADD				    0xf02ff /* 1.4 */
1432 
1433 #define DP_DPCD_MAX_ADD					    0xfffff /* 1.4 */
1434 
1435 /* Repeater modes */
1436 #define DP_PHY_REPEATER_MODE_TRANSPARENT		    0x55    /* 1.3 */
1437 #define DP_PHY_REPEATER_MODE_NON_TRANSPARENT		    0xaa    /* 1.3 */
1438 
1439 /* DP HDCP message start offsets in DPCD address space */
1440 #define DP_HDCP_2_2_AKE_INIT_OFFSET		DP_HDCP_2_2_REG_RTX_OFFSET
1441 #define DP_HDCP_2_2_AKE_SEND_CERT_OFFSET	DP_HDCP_2_2_REG_CERT_RX_OFFSET
1442 #define DP_HDCP_2_2_AKE_NO_STORED_KM_OFFSET	DP_HDCP_2_2_REG_EKPUB_KM_OFFSET
1443 #define DP_HDCP_2_2_AKE_STORED_KM_OFFSET	DP_HDCP_2_2_REG_EKH_KM_WR_OFFSET
1444 #define DP_HDCP_2_2_AKE_SEND_HPRIME_OFFSET	DP_HDCP_2_2_REG_HPRIME_OFFSET
1445 #define DP_HDCP_2_2_AKE_SEND_PAIRING_INFO_OFFSET \
1446 						DP_HDCP_2_2_REG_EKH_KM_RD_OFFSET
1447 #define DP_HDCP_2_2_LC_INIT_OFFSET		DP_HDCP_2_2_REG_RN_OFFSET
1448 #define DP_HDCP_2_2_LC_SEND_LPRIME_OFFSET	DP_HDCP_2_2_REG_LPRIME_OFFSET
1449 #define DP_HDCP_2_2_SKE_SEND_EKS_OFFSET		DP_HDCP_2_2_REG_EDKEY_KS_OFFSET
1450 #define DP_HDCP_2_2_REP_SEND_RECVID_LIST_OFFSET	DP_HDCP_2_2_REG_RXINFO_OFFSET
1451 #define DP_HDCP_2_2_REP_SEND_ACK_OFFSET		DP_HDCP_2_2_REG_V_OFFSET
1452 #define DP_HDCP_2_2_REP_STREAM_MANAGE_OFFSET	DP_HDCP_2_2_REG_SEQ_NUM_M_OFFSET
1453 #define DP_HDCP_2_2_REP_STREAM_READY_OFFSET	DP_HDCP_2_2_REG_MPRIME_OFFSET
1454 
1455 #define HDCP_2_2_DP_RXSTATUS_LEN		1
1456 #define HDCP_2_2_DP_RXSTATUS_READY(x)		((x) & BIT(0))
1457 #define HDCP_2_2_DP_RXSTATUS_H_PRIME(x)		((x) & BIT(1))
1458 #define HDCP_2_2_DP_RXSTATUS_PAIRING(x)		((x) & BIT(2))
1459 #define HDCP_2_2_DP_RXSTATUS_REAUTH_REQ(x)	((x) & BIT(3))
1460 #define HDCP_2_2_DP_RXSTATUS_LINK_FAILED(x)	((x) & BIT(4))
1461 
1462 /* DP 1.2 Sideband message defines */
1463 /* peer device type - DP 1.2a Table 2-92 */
1464 #define DP_PEER_DEVICE_NONE		0x0
1465 #define DP_PEER_DEVICE_SOURCE_OR_SST	0x1
1466 #define DP_PEER_DEVICE_MST_BRANCHING	0x2
1467 #define DP_PEER_DEVICE_SST_SINK		0x3
1468 #define DP_PEER_DEVICE_DP_LEGACY_CONV	0x4
1469 
1470 /* DP 1.2 MST sideband request names DP 1.2a Table 2-80 */
1471 #define DP_GET_MSG_TRANSACTION_VERSION	0x00 /* DP 1.3 */
1472 #define DP_LINK_ADDRESS			0x01
1473 #define DP_CONNECTION_STATUS_NOTIFY	0x02
1474 #define DP_ENUM_PATH_RESOURCES		0x10
1475 #define DP_ALLOCATE_PAYLOAD		0x11
1476 #define DP_QUERY_PAYLOAD		0x12
1477 #define DP_RESOURCE_STATUS_NOTIFY	0x13
1478 #define DP_CLEAR_PAYLOAD_ID_TABLE	0x14
1479 #define DP_REMOTE_DPCD_READ		0x20
1480 #define DP_REMOTE_DPCD_WRITE		0x21
1481 #define DP_REMOTE_I2C_READ		0x22
1482 #define DP_REMOTE_I2C_WRITE		0x23
1483 #define DP_POWER_UP_PHY			0x24
1484 #define DP_POWER_DOWN_PHY		0x25
1485 #define DP_SINK_EVENT_NOTIFY		0x30
1486 #define DP_QUERY_STREAM_ENC_STATUS	0x38
1487 #define  DP_QUERY_STREAM_ENC_STATUS_STATE_NO_EXIST	0
1488 #define  DP_QUERY_STREAM_ENC_STATUS_STATE_INACTIVE	1
1489 #define  DP_QUERY_STREAM_ENC_STATUS_STATE_ACTIVE	2
1490 
1491 /* DP 1.2 MST sideband reply types */
1492 #define DP_SIDEBAND_REPLY_ACK		0x00
1493 #define DP_SIDEBAND_REPLY_NAK		0x01
1494 
1495 /* DP 1.2 MST sideband nak reasons - table 2.84 */
1496 #define DP_NAK_WRITE_FAILURE		0x01
1497 #define DP_NAK_INVALID_READ		0x02
1498 #define DP_NAK_CRC_FAILURE		0x03
1499 #define DP_NAK_BAD_PARAM		0x04
1500 #define DP_NAK_DEFER			0x05
1501 #define DP_NAK_LINK_FAILURE		0x06
1502 #define DP_NAK_NO_RESOURCES		0x07
1503 #define DP_NAK_DPCD_FAIL		0x08
1504 #define DP_NAK_I2C_NAK			0x09
1505 #define DP_NAK_ALLOCATE_FAIL		0x0a
1506 
1507 #define MODE_I2C_START	1
1508 #define MODE_I2C_WRITE	2
1509 #define MODE_I2C_READ	4
1510 #define MODE_I2C_STOP	8
1511 
1512 /* DP 1.2 MST PORTs - Section 2.5.1 v1.2a spec */
1513 #define DP_MST_PHYSICAL_PORT_0 0
1514 #define DP_MST_LOGICAL_PORT_0 8
1515 
1516 #define DP_LINK_CONSTANT_N_VALUE 0x8000
1517 #define DP_LINK_STATUS_SIZE	   6
1518 
1519 #define DP_BRANCH_OUI_HEADER_SIZE	0xc
1520 #define DP_RECEIVER_CAP_SIZE		0xf
1521 #define DP_DSC_RECEIVER_CAP_SIZE        0xf
1522 #define EDP_PSR_RECEIVER_CAP_SIZE	2
1523 #define EDP_DISPLAY_CTL_CAP_SIZE	3
1524 #define DP_LTTPR_COMMON_CAP_SIZE	8
1525 #define DP_LTTPR_PHY_CAP_SIZE		3
1526 
1527 #define DP_SDP_AUDIO_TIMESTAMP		0x01
1528 #define DP_SDP_AUDIO_STREAM		0x02
1529 #define DP_SDP_EXTENSION		0x04 /* DP 1.1 */
1530 #define DP_SDP_AUDIO_COPYMANAGEMENT	0x05 /* DP 1.2 */
1531 #define DP_SDP_ISRC			0x06 /* DP 1.2 */
1532 #define DP_SDP_VSC			0x07 /* DP 1.2 */
1533 #define DP_SDP_CAMERA_GENERIC(i)	(0x08 + (i)) /* 0-7, DP 1.3 */
1534 #define DP_SDP_PPS			0x10 /* DP 1.4 */
1535 #define DP_SDP_VSC_EXT_VESA		0x20 /* DP 1.4 */
1536 #define DP_SDP_VSC_EXT_CEA		0x21 /* DP 1.4 */
1537 /* 0x80+ CEA-861 infoframe types */
1538 
1539 #define DP_SDP_AUDIO_INFOFRAME_HB2	0x1b
1540 
1541 /**
1542  * struct dp_sdp_header - DP secondary data packet header
1543  * @HB0: Secondary Data Packet ID
1544  * @HB1: Secondary Data Packet Type
1545  * @HB2: Secondary Data Packet Specific header, Byte 0
1546  * @HB3: Secondary Data packet Specific header, Byte 1
1547  */
1548 struct dp_sdp_header {
1549 	u8 HB0;
1550 	u8 HB1;
1551 	u8 HB2;
1552 	u8 HB3;
1553 } __packed;
1554 
1555 #define EDP_SDP_HEADER_REVISION_MASK		0x1F
1556 #define EDP_SDP_HEADER_VALID_PAYLOAD_BYTES	0x1F
1557 #define DP_SDP_PPS_HEADER_PAYLOAD_BYTES_MINUS_1 0x7F
1558 
1559 /**
1560  * struct dp_sdp - DP secondary data packet
1561  * @sdp_header: DP secondary data packet header
1562  * @db: DP secondaray data packet data blocks
1563  * VSC SDP Payload for PSR
1564  * db[0]: Stereo Interface
1565  * db[1]: 0 - PSR State; 1 - Update RFB; 2 - CRC Valid
1566  * db[2]: CRC value bits 7:0 of the R or Cr component
1567  * db[3]: CRC value bits 15:8 of the R or Cr component
1568  * db[4]: CRC value bits 7:0 of the G or Y component
1569  * db[5]: CRC value bits 15:8 of the G or Y component
1570  * db[6]: CRC value bits 7:0 of the B or Cb component
1571  * db[7]: CRC value bits 15:8 of the B or Cb component
1572  * db[8] - db[31]: Reserved
1573  * VSC SDP Payload for Pixel Encoding/Colorimetry Format
1574  * db[0] - db[15]: Reserved
1575  * db[16]: Pixel Encoding and Colorimetry Formats
1576  * db[17]: Dynamic Range and Component Bit Depth
1577  * db[18]: Content Type
1578  * db[19] - db[31]: Reserved
1579  */
1580 struct dp_sdp {
1581 	struct dp_sdp_header sdp_header;
1582 	u8 db[32];
1583 } __packed;
1584 
1585 #define EDP_VSC_PSR_STATE_ACTIVE	(1<<0)
1586 #define EDP_VSC_PSR_UPDATE_RFB		(1<<1)
1587 #define EDP_VSC_PSR_CRC_VALUES_VALID	(1<<2)
1588 
1589 /**
1590  * enum dp_pixelformat - drm DP Pixel encoding formats
1591  *
1592  * This enum is used to indicate DP VSC SDP Pixel encoding formats.
1593  * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1594  * DB18]
1595  *
1596  * @DP_PIXELFORMAT_RGB: RGB pixel encoding format
1597  * @DP_PIXELFORMAT_YUV444: YCbCr 4:4:4 pixel encoding format
1598  * @DP_PIXELFORMAT_YUV422: YCbCr 4:2:2 pixel encoding format
1599  * @DP_PIXELFORMAT_YUV420: YCbCr 4:2:0 pixel encoding format
1600  * @DP_PIXELFORMAT_Y_ONLY: Y Only pixel encoding format
1601  * @DP_PIXELFORMAT_RAW: RAW pixel encoding format
1602  * @DP_PIXELFORMAT_RESERVED: Reserved pixel encoding format
1603  */
1604 enum dp_pixelformat {
1605 	DP_PIXELFORMAT_RGB = 0,
1606 	DP_PIXELFORMAT_YUV444 = 0x1,
1607 	DP_PIXELFORMAT_YUV422 = 0x2,
1608 	DP_PIXELFORMAT_YUV420 = 0x3,
1609 	DP_PIXELFORMAT_Y_ONLY = 0x4,
1610 	DP_PIXELFORMAT_RAW = 0x5,
1611 	DP_PIXELFORMAT_RESERVED = 0x6,
1612 };
1613 
1614 /**
1615  * enum dp_colorimetry - drm DP Colorimetry formats
1616  *
1617  * This enum is used to indicate DP VSC SDP Colorimetry formats.
1618  * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1619  * DB18] and a name of enum member follows DRM_MODE_COLORIMETRY definition.
1620  *
1621  * @DP_COLORIMETRY_DEFAULT: sRGB (IEC 61966-2-1) or
1622  *                          ITU-R BT.601 colorimetry format
1623  * @DP_COLORIMETRY_RGB_WIDE_FIXED: RGB wide gamut fixed point colorimetry format
1624  * @DP_COLORIMETRY_BT709_YCC: ITU-R BT.709 colorimetry format
1625  * @DP_COLORIMETRY_RGB_WIDE_FLOAT: RGB wide gamut floating point
1626  *                                 (scRGB (IEC 61966-2-2)) colorimetry format
1627  * @DP_COLORIMETRY_XVYCC_601: xvYCC601 colorimetry format
1628  * @DP_COLORIMETRY_OPRGB: OpRGB colorimetry format
1629  * @DP_COLORIMETRY_XVYCC_709: xvYCC709 colorimetry format
1630  * @DP_COLORIMETRY_DCI_P3_RGB: DCI-P3 (SMPTE RP 431-2) colorimetry format
1631  * @DP_COLORIMETRY_SYCC_601: sYCC601 colorimetry format
1632  * @DP_COLORIMETRY_RGB_CUSTOM: RGB Custom Color Profile colorimetry format
1633  * @DP_COLORIMETRY_OPYCC_601: opYCC601 colorimetry format
1634  * @DP_COLORIMETRY_BT2020_RGB: ITU-R BT.2020 R' G' B' colorimetry format
1635  * @DP_COLORIMETRY_BT2020_CYCC: ITU-R BT.2020 Y'c C'bc C'rc colorimetry format
1636  * @DP_COLORIMETRY_BT2020_YCC: ITU-R BT.2020 Y' C'b C'r colorimetry format
1637  */
1638 enum dp_colorimetry {
1639 	DP_COLORIMETRY_DEFAULT = 0,
1640 	DP_COLORIMETRY_RGB_WIDE_FIXED = 0x1,
1641 	DP_COLORIMETRY_BT709_YCC = 0x1,
1642 	DP_COLORIMETRY_RGB_WIDE_FLOAT = 0x2,
1643 	DP_COLORIMETRY_XVYCC_601 = 0x2,
1644 	DP_COLORIMETRY_OPRGB = 0x3,
1645 	DP_COLORIMETRY_XVYCC_709 = 0x3,
1646 	DP_COLORIMETRY_DCI_P3_RGB = 0x4,
1647 	DP_COLORIMETRY_SYCC_601 = 0x4,
1648 	DP_COLORIMETRY_RGB_CUSTOM = 0x5,
1649 	DP_COLORIMETRY_OPYCC_601 = 0x5,
1650 	DP_COLORIMETRY_BT2020_RGB = 0x6,
1651 	DP_COLORIMETRY_BT2020_CYCC = 0x6,
1652 	DP_COLORIMETRY_BT2020_YCC = 0x7,
1653 };
1654 
1655 /**
1656  * enum dp_dynamic_range - drm DP Dynamic Range
1657  *
1658  * This enum is used to indicate DP VSC SDP Dynamic Range.
1659  * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1660  * DB18]
1661  *
1662  * @DP_DYNAMIC_RANGE_VESA: VESA range
1663  * @DP_DYNAMIC_RANGE_CTA: CTA range
1664  */
1665 enum dp_dynamic_range {
1666 	DP_DYNAMIC_RANGE_VESA = 0,
1667 	DP_DYNAMIC_RANGE_CTA = 1,
1668 };
1669 
1670 /**
1671  * enum dp_content_type - drm DP Content Type
1672  *
1673  * This enum is used to indicate DP VSC SDP Content Types.
1674  * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1675  * DB18]
1676  * CTA-861-G defines content types and expected processing by a sink device
1677  *
1678  * @DP_CONTENT_TYPE_NOT_DEFINED: Not defined type
1679  * @DP_CONTENT_TYPE_GRAPHICS: Graphics type
1680  * @DP_CONTENT_TYPE_PHOTO: Photo type
1681  * @DP_CONTENT_TYPE_VIDEO: Video type
1682  * @DP_CONTENT_TYPE_GAME: Game type
1683  */
1684 enum dp_content_type {
1685 	DP_CONTENT_TYPE_NOT_DEFINED = 0x00,
1686 	DP_CONTENT_TYPE_GRAPHICS = 0x01,
1687 	DP_CONTENT_TYPE_PHOTO = 0x02,
1688 	DP_CONTENT_TYPE_VIDEO = 0x03,
1689 	DP_CONTENT_TYPE_GAME = 0x04,
1690 };
1691 
1692 #endif /* _DRM_DP_H_ */
1693