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  # define DP_HBLANK_EXPANSION_CAPABLE        (1 << 3)
152  
153  #define DP_RECEIVE_PORT_0_BUFFER_SIZE	    0x009
154  
155  #define DP_RECEIVE_PORT_1_CAP_0		    0x00a
156  #define DP_RECEIVE_PORT_1_BUFFER_SIZE       0x00b
157  
158  #define DP_I2C_SPEED_CAP		    0x00c    /* DPI */
159  # define DP_I2C_SPEED_1K		    0x01
160  # define DP_I2C_SPEED_5K		    0x02
161  # define DP_I2C_SPEED_10K		    0x04
162  # define DP_I2C_SPEED_100K		    0x08
163  # define DP_I2C_SPEED_400K		    0x10
164  # define DP_I2C_SPEED_1M		    0x20
165  
166  #define DP_EDP_CONFIGURATION_CAP            0x00d   /* XXX 1.2? */
167  # define DP_ALTERNATE_SCRAMBLER_RESET_CAP   (1 << 0)
168  # define DP_FRAMING_CHANGE_CAP		    (1 << 1)
169  # define DP_DPCD_DISPLAY_CONTROL_CAPABLE     (1 << 3) /* edp v1.2 or higher */
170  
171  #define DP_TRAINING_AUX_RD_INTERVAL             0x00e   /* XXX 1.2? */
172  # define DP_TRAINING_AUX_RD_MASK                0x7F    /* DP 1.3 */
173  # define DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT	(1 << 7) /* DP 1.3 */
174  
175  #define DP_ADAPTER_CAP			    0x00f   /* 1.2 */
176  # define DP_FORCE_LOAD_SENSE_CAP	    (1 << 0)
177  # define DP_ALTERNATE_I2C_PATTERN_CAP	    (1 << 1)
178  
179  #define DP_SUPPORTED_LINK_RATES		    0x010 /* eDP 1.4 */
180  # define DP_MAX_SUPPORTED_RATES		     8	    /* 16-bit little-endian */
181  
182  /* Multiple stream transport */
183  #define DP_FAUX_CAP			    0x020   /* 1.2 */
184  # define DP_FAUX_CAP_1			    (1 << 0)
185  
186  #define DP_SINK_VIDEO_FALLBACK_FORMATS      0x020   /* 2.0 */
187  # define DP_FALLBACK_1024x768_60HZ_24BPP    (1 << 0)
188  # define DP_FALLBACK_1280x720_60HZ_24BPP    (1 << 1)
189  # define DP_FALLBACK_1920x1080_60HZ_24BPP   (1 << 2)
190  
191  #define DP_MSTM_CAP			    0x021   /* 1.2 */
192  # define DP_MST_CAP			    (1 << 0)
193  # define DP_SINGLE_STREAM_SIDEBAND_MSG      (1 << 1) /* 2.0 */
194  
195  #define DP_NUMBER_OF_AUDIO_ENDPOINTS	    0x022   /* 1.2 */
196  
197  /* AV_SYNC_DATA_BLOCK                                  1.2 */
198  #define DP_AV_GRANULARITY		    0x023
199  # define DP_AG_FACTOR_MASK		    (0xf << 0)
200  # define DP_AG_FACTOR_3MS		    (0 << 0)
201  # define DP_AG_FACTOR_2MS		    (1 << 0)
202  # define DP_AG_FACTOR_1MS		    (2 << 0)
203  # define DP_AG_FACTOR_500US		    (3 << 0)
204  # define DP_AG_FACTOR_200US		    (4 << 0)
205  # define DP_AG_FACTOR_100US		    (5 << 0)
206  # define DP_AG_FACTOR_10US		    (6 << 0)
207  # define DP_AG_FACTOR_1US		    (7 << 0)
208  # define DP_VG_FACTOR_MASK		    (0xf << 4)
209  # define DP_VG_FACTOR_3MS		    (0 << 4)
210  # define DP_VG_FACTOR_2MS		    (1 << 4)
211  # define DP_VG_FACTOR_1MS		    (2 << 4)
212  # define DP_VG_FACTOR_500US		    (3 << 4)
213  # define DP_VG_FACTOR_200US		    (4 << 4)
214  # define DP_VG_FACTOR_100US		    (5 << 4)
215  
216  #define DP_AUD_DEC_LAT0			    0x024
217  #define DP_AUD_DEC_LAT1			    0x025
218  
219  #define DP_AUD_PP_LAT0			    0x026
220  #define DP_AUD_PP_LAT1			    0x027
221  
222  #define DP_VID_INTER_LAT		    0x028
223  
224  #define DP_VID_PROG_LAT			    0x029
225  
226  #define DP_REP_LAT			    0x02a
227  
228  #define DP_AUD_DEL_INS0			    0x02b
229  #define DP_AUD_DEL_INS1			    0x02c
230  #define DP_AUD_DEL_INS2			    0x02d
231  /* End of AV_SYNC_DATA_BLOCK */
232  
233  #define DP_RECEIVER_ALPM_CAP		    0x02e   /* eDP 1.4 */
234  # define DP_ALPM_CAP			    (1 << 0)
235  # define DP_ALPM_PM_STATE_2A_SUPPORT	    (1 << 1) /* eDP 1.5 */
236  # define DP_ALPM_AUX_LESS_CAP		    (1 << 2) /* eDP 1.5 */
237  
238  #define DP_SINK_DEVICE_AUX_FRAME_SYNC_CAP   0x02f   /* eDP 1.4 */
239  # define DP_AUX_FRAME_SYNC_CAP		    (1 << 0)
240  
241  #define DP_GUID				    0x030   /* 1.2 */
242  
243  #define DP_DSC_SUPPORT                      0x060   /* DP 1.4 */
244  # define DP_DSC_DECOMPRESSION_IS_SUPPORTED  (1 << 0)
245  # define DP_DSC_PASSTHROUGH_IS_SUPPORTED    (1 << 1)
246  # define DP_DSC_DYNAMIC_PPS_UPDATE_SUPPORT_COMP_TO_COMP    (1 << 2)
247  # define DP_DSC_DYNAMIC_PPS_UPDATE_SUPPORT_UNCOMP_TO_COMP  (1 << 3)
248  
249  #define DP_DSC_REV                          0x061
250  # define DP_DSC_MAJOR_MASK                  (0xf << 0)
251  # define DP_DSC_MINOR_MASK                  (0xf << 4)
252  # define DP_DSC_MAJOR_SHIFT                 0
253  # define DP_DSC_MINOR_SHIFT                 4
254  
255  #define DP_DSC_RC_BUF_BLK_SIZE              0x062
256  # define DP_DSC_RC_BUF_BLK_SIZE_1           0x0
257  # define DP_DSC_RC_BUF_BLK_SIZE_4           0x1
258  # define DP_DSC_RC_BUF_BLK_SIZE_16          0x2
259  # define DP_DSC_RC_BUF_BLK_SIZE_64          0x3
260  
261  #define DP_DSC_RC_BUF_SIZE                  0x063
262  
263  #define DP_DSC_SLICE_CAP_1                  0x064
264  # define DP_DSC_1_PER_DP_DSC_SINK           (1 << 0)
265  # define DP_DSC_2_PER_DP_DSC_SINK           (1 << 1)
266  # define DP_DSC_4_PER_DP_DSC_SINK           (1 << 3)
267  # define DP_DSC_6_PER_DP_DSC_SINK           (1 << 4)
268  # define DP_DSC_8_PER_DP_DSC_SINK           (1 << 5)
269  # define DP_DSC_10_PER_DP_DSC_SINK          (1 << 6)
270  # define DP_DSC_12_PER_DP_DSC_SINK          (1 << 7)
271  
272  #define DP_DSC_LINE_BUF_BIT_DEPTH           0x065
273  # define DP_DSC_LINE_BUF_BIT_DEPTH_MASK     (0xf << 0)
274  # define DP_DSC_LINE_BUF_BIT_DEPTH_9        0x0
275  # define DP_DSC_LINE_BUF_BIT_DEPTH_10       0x1
276  # define DP_DSC_LINE_BUF_BIT_DEPTH_11       0x2
277  # define DP_DSC_LINE_BUF_BIT_DEPTH_12       0x3
278  # define DP_DSC_LINE_BUF_BIT_DEPTH_13       0x4
279  # define DP_DSC_LINE_BUF_BIT_DEPTH_14       0x5
280  # define DP_DSC_LINE_BUF_BIT_DEPTH_15       0x6
281  # define DP_DSC_LINE_BUF_BIT_DEPTH_16       0x7
282  # define DP_DSC_LINE_BUF_BIT_DEPTH_8        0x8
283  
284  #define DP_DSC_BLK_PREDICTION_SUPPORT       0x066
285  # define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0)
286  # define DP_DSC_RGB_COLOR_CONV_BYPASS_SUPPORT (1 << 1)
287  
288  #define DP_DSC_MAX_BITS_PER_PIXEL_LOW       0x067   /* eDP 1.4 */
289  
290  #define DP_DSC_MAX_BITS_PER_PIXEL_HI        0x068   /* eDP 1.4 */
291  # define DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK  (0x3 << 0)
292  # define DP_DSC_MAX_BPP_DELTA_VERSION_MASK  (0x3 << 5)	/* eDP 1.5 & DP 2.0 */
293  # define DP_DSC_MAX_BPP_DELTA_AVAILABILITY  (1 << 7)	/* eDP 1.5 & DP 2.0 */
294  
295  #define DP_DSC_DEC_COLOR_FORMAT_CAP         0x069
296  # define DP_DSC_RGB                         (1 << 0)
297  # define DP_DSC_YCbCr444                    (1 << 1)
298  # define DP_DSC_YCbCr422_Simple             (1 << 2)
299  # define DP_DSC_YCbCr422_Native             (1 << 3)
300  # define DP_DSC_YCbCr420_Native             (1 << 4)
301  
302  #define DP_DSC_DEC_COLOR_DEPTH_CAP          0x06A
303  # define DP_DSC_8_BPC                       (1 << 1)
304  # define DP_DSC_10_BPC                      (1 << 2)
305  # define DP_DSC_12_BPC                      (1 << 3)
306  
307  #define DP_DSC_PEAK_THROUGHPUT              0x06B
308  # define DP_DSC_THROUGHPUT_MODE_0_MASK      (0xf << 0)
309  # define DP_DSC_THROUGHPUT_MODE_0_SHIFT     0
310  # define DP_DSC_THROUGHPUT_MODE_0_UNSUPPORTED 0
311  # define DP_DSC_THROUGHPUT_MODE_0_340       (1 << 0)
312  # define DP_DSC_THROUGHPUT_MODE_0_400       (2 << 0)
313  # define DP_DSC_THROUGHPUT_MODE_0_450       (3 << 0)
314  # define DP_DSC_THROUGHPUT_MODE_0_500       (4 << 0)
315  # define DP_DSC_THROUGHPUT_MODE_0_550       (5 << 0)
316  # define DP_DSC_THROUGHPUT_MODE_0_600       (6 << 0)
317  # define DP_DSC_THROUGHPUT_MODE_0_650       (7 << 0)
318  # define DP_DSC_THROUGHPUT_MODE_0_700       (8 << 0)
319  # define DP_DSC_THROUGHPUT_MODE_0_750       (9 << 0)
320  # define DP_DSC_THROUGHPUT_MODE_0_800       (10 << 0)
321  # define DP_DSC_THROUGHPUT_MODE_0_850       (11 << 0)
322  # define DP_DSC_THROUGHPUT_MODE_0_900       (12 << 0)
323  # define DP_DSC_THROUGHPUT_MODE_0_950       (13 << 0)
324  # define DP_DSC_THROUGHPUT_MODE_0_1000      (14 << 0)
325  # define DP_DSC_THROUGHPUT_MODE_0_170       (15 << 0) /* 1.4a */
326  # define DP_DSC_THROUGHPUT_MODE_1_MASK      (0xf << 4)
327  # define DP_DSC_THROUGHPUT_MODE_1_SHIFT     4
328  # define DP_DSC_THROUGHPUT_MODE_1_UNSUPPORTED 0
329  # define DP_DSC_THROUGHPUT_MODE_1_340       (1 << 4)
330  # define DP_DSC_THROUGHPUT_MODE_1_400       (2 << 4)
331  # define DP_DSC_THROUGHPUT_MODE_1_450       (3 << 4)
332  # define DP_DSC_THROUGHPUT_MODE_1_500       (4 << 4)
333  # define DP_DSC_THROUGHPUT_MODE_1_550       (5 << 4)
334  # define DP_DSC_THROUGHPUT_MODE_1_600       (6 << 4)
335  # define DP_DSC_THROUGHPUT_MODE_1_650       (7 << 4)
336  # define DP_DSC_THROUGHPUT_MODE_1_700       (8 << 4)
337  # define DP_DSC_THROUGHPUT_MODE_1_750       (9 << 4)
338  # define DP_DSC_THROUGHPUT_MODE_1_800       (10 << 4)
339  # define DP_DSC_THROUGHPUT_MODE_1_850       (11 << 4)
340  # define DP_DSC_THROUGHPUT_MODE_1_900       (12 << 4)
341  # define DP_DSC_THROUGHPUT_MODE_1_950       (13 << 4)
342  # define DP_DSC_THROUGHPUT_MODE_1_1000      (14 << 4)
343  # define DP_DSC_THROUGHPUT_MODE_1_170       (15 << 4)
344  
345  #define DP_DSC_MAX_SLICE_WIDTH              0x06C
346  #define DP_DSC_MIN_SLICE_WIDTH_VALUE        2560
347  #define DP_DSC_SLICE_WIDTH_MULTIPLIER       320
348  
349  #define DP_DSC_SLICE_CAP_2                  0x06D
350  # define DP_DSC_16_PER_DP_DSC_SINK          (1 << 0)
351  # define DP_DSC_20_PER_DP_DSC_SINK          (1 << 1)
352  # define DP_DSC_24_PER_DP_DSC_SINK          (1 << 2)
353  
354  #define DP_DSC_BITS_PER_PIXEL_INC           0x06F
355  # define DP_DSC_RGB_YCbCr444_MAX_BPP_DELTA_MASK 0x1f
356  # define DP_DSC_RGB_YCbCr420_MAX_BPP_DELTA_MASK 0xe0
357  # define DP_DSC_BITS_PER_PIXEL_1_16         0x0
358  # define DP_DSC_BITS_PER_PIXEL_1_8          0x1
359  # define DP_DSC_BITS_PER_PIXEL_1_4          0x2
360  # define DP_DSC_BITS_PER_PIXEL_1_2          0x3
361  # define DP_DSC_BITS_PER_PIXEL_1_1          0x4
362  
363  #define DP_PSR_SUPPORT                      0x070   /* XXX 1.2? */
364  # define DP_PSR_IS_SUPPORTED                1
365  # define DP_PSR2_IS_SUPPORTED		    2	    /* eDP 1.4 */
366  # define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED  3	    /* eDP 1.4a */
367  # define DP_PSR2_WITH_Y_COORD_ET_SUPPORTED  4	    /* eDP 1.5, adopted eDP 1.4b SCR */
368  
369  #define DP_PSR_CAPS                         0x071   /* XXX 1.2? */
370  # define DP_PSR_NO_TRAIN_ON_EXIT            1
371  # define DP_PSR_SETUP_TIME_330              (0 << 1)
372  # define DP_PSR_SETUP_TIME_275              (1 << 1)
373  # define DP_PSR_SETUP_TIME_220              (2 << 1)
374  # define DP_PSR_SETUP_TIME_165              (3 << 1)
375  # define DP_PSR_SETUP_TIME_110              (4 << 1)
376  # define DP_PSR_SETUP_TIME_55               (5 << 1)
377  # define DP_PSR_SETUP_TIME_0                (6 << 1)
378  # define DP_PSR_SETUP_TIME_MASK             (7 << 1)
379  # define DP_PSR_SETUP_TIME_SHIFT            1
380  # define DP_PSR2_SU_Y_COORDINATE_REQUIRED   (1 << 4)  /* eDP 1.4a */
381  # define DP_PSR2_SU_GRANULARITY_REQUIRED    (1 << 5)  /* eDP 1.4b */
382  # define DP_PSR2_SU_AUX_FRAME_SYNC_NOT_NEEDED (1 << 6)/* eDP 1.5, adopted eDP 1.4b SCR */
383  
384  #define DP_PSR2_SU_X_GRANULARITY	    0x072 /* eDP 1.4b */
385  #define DP_PSR2_SU_Y_GRANULARITY	    0x074 /* eDP 1.4b */
386  
387  /*
388   * 0x80-0x8f describe downstream port capabilities, but there are two layouts
389   * based on whether DP_DETAILED_CAP_INFO_AVAILABLE was set.  If it was not,
390   * each port's descriptor is one byte wide.  If it was set, each port's is
391   * four bytes wide, starting with the one byte from the base info.  As of
392   * DP interop v1.1a only VGA defines additional detail.
393   */
394  
395  /* offset 0 */
396  #define DP_DOWNSTREAM_PORT_0		    0x80
397  # define DP_DS_PORT_TYPE_MASK		    (7 << 0)
398  # define DP_DS_PORT_TYPE_DP		    0
399  # define DP_DS_PORT_TYPE_VGA		    1
400  # define DP_DS_PORT_TYPE_DVI		    2
401  # define DP_DS_PORT_TYPE_HDMI		    3
402  # define DP_DS_PORT_TYPE_NON_EDID	    4
403  # define DP_DS_PORT_TYPE_DP_DUALMODE        5
404  # define DP_DS_PORT_TYPE_WIRELESS           6
405  # define DP_DS_PORT_HPD			    (1 << 3)
406  # define DP_DS_NON_EDID_MASK		    (0xf << 4)
407  # define DP_DS_NON_EDID_720x480i_60	    (1 << 4)
408  # define DP_DS_NON_EDID_720x480i_50	    (2 << 4)
409  # define DP_DS_NON_EDID_1920x1080i_60	    (3 << 4)
410  # define DP_DS_NON_EDID_1920x1080i_50	    (4 << 4)
411  # define DP_DS_NON_EDID_1280x720_60	    (5 << 4)
412  # define DP_DS_NON_EDID_1280x720_50	    (7 << 4)
413  /* offset 1 for VGA is maximum megapixels per second / 8 */
414  /* offset 1 for DVI/HDMI is maximum TMDS clock in Mbps / 2.5 */
415  /* offset 2 for VGA/DVI/HDMI */
416  # define DP_DS_MAX_BPC_MASK	            (3 << 0)
417  # define DP_DS_8BPC		            0
418  # define DP_DS_10BPC		            1
419  # define DP_DS_12BPC		            2
420  # define DP_DS_16BPC		            3
421  /* HDMI2.1 PCON FRL CONFIGURATION */
422  # define DP_PCON_MAX_FRL_BW                 (7 << 2)
423  # define DP_PCON_MAX_0GBPS                  (0 << 2)
424  # define DP_PCON_MAX_9GBPS                  (1 << 2)
425  # define DP_PCON_MAX_18GBPS                 (2 << 2)
426  # define DP_PCON_MAX_24GBPS                 (3 << 2)
427  # define DP_PCON_MAX_32GBPS                 (4 << 2)
428  # define DP_PCON_MAX_40GBPS                 (5 << 2)
429  # define DP_PCON_MAX_48GBPS                 (6 << 2)
430  # define DP_PCON_SOURCE_CTL_MODE            (1 << 5)
431  
432  /* offset 3 for DVI */
433  # define DP_DS_DVI_DUAL_LINK		    (1 << 1)
434  # define DP_DS_DVI_HIGH_COLOR_DEPTH	    (1 << 2)
435  /* offset 3 for HDMI */
436  # define DP_DS_HDMI_FRAME_SEQ_TO_FRAME_PACK (1 << 0)
437  # define DP_DS_HDMI_YCBCR422_PASS_THROUGH   (1 << 1)
438  # define DP_DS_HDMI_YCBCR420_PASS_THROUGH   (1 << 2)
439  # define DP_DS_HDMI_YCBCR444_TO_422_CONV    (1 << 3)
440  # define DP_DS_HDMI_YCBCR444_TO_420_CONV    (1 << 4)
441  
442  /*
443   * VESA DP-to-HDMI PCON Specification adds caps for colorspace
444   * conversion in DFP cap DPCD 83h. Sec6.1 Table-3.
445   * Based on the available support the source can enable
446   * color conversion by writing into PROTOCOL_COVERTER_CONTROL_2
447   * DPCD 3052h.
448   */
449  # define DP_DS_HDMI_BT601_RGB_YCBCR_CONV    (1 << 5)
450  # define DP_DS_HDMI_BT709_RGB_YCBCR_CONV    (1 << 6)
451  # define DP_DS_HDMI_BT2020_RGB_YCBCR_CONV   (1 << 7)
452  
453  #define DP_MAX_DOWNSTREAM_PORTS		    0x10
454  
455  /* DP Forward error Correction Registers */
456  #define DP_FEC_CAPABILITY		    0x090    /* 1.4 */
457  # define DP_FEC_CAPABLE			    (1 << 0)
458  # define DP_FEC_UNCORR_BLK_ERROR_COUNT_CAP  (1 << 1)
459  # define DP_FEC_CORR_BLK_ERROR_COUNT_CAP    (1 << 2)
460  # define DP_FEC_BIT_ERROR_COUNT_CAP	    (1 << 3)
461  #define DP_FEC_CAPABILITY_1			0x091   /* 2.0 */
462  
463  /* DP-HDMI2.1 PCON DSC ENCODER SUPPORT */
464  #define DP_PCON_DSC_ENCODER_CAP_SIZE        0xD	/* 0x92 through 0x9E */
465  #define DP_PCON_DSC_ENCODER                 0x092
466  # define DP_PCON_DSC_ENCODER_SUPPORTED      (1 << 0)
467  # define DP_PCON_DSC_PPS_ENC_OVERRIDE       (1 << 1)
468  
469  /* DP-HDMI2.1 PCON DSC Version */
470  #define DP_PCON_DSC_VERSION                 0x093
471  # define DP_PCON_DSC_MAJOR_MASK		    (0xF << 0)
472  # define DP_PCON_DSC_MINOR_MASK		    (0xF << 4)
473  # define DP_PCON_DSC_MAJOR_SHIFT	    0
474  # define DP_PCON_DSC_MINOR_SHIFT	    4
475  
476  /* DP-HDMI2.1 PCON DSC RC Buffer block size */
477  #define DP_PCON_DSC_RC_BUF_BLK_INFO	    0x094
478  # define DP_PCON_DSC_RC_BUF_BLK_SIZE	    (0x3 << 0)
479  # define DP_PCON_DSC_RC_BUF_BLK_1KB	    0
480  # define DP_PCON_DSC_RC_BUF_BLK_4KB	    1
481  # define DP_PCON_DSC_RC_BUF_BLK_16KB	    2
482  # define DP_PCON_DSC_RC_BUF_BLK_64KB	    3
483  
484  /* DP-HDMI2.1 PCON DSC RC Buffer size */
485  #define DP_PCON_DSC_RC_BUF_SIZE		    0x095
486  
487  /* DP-HDMI2.1 PCON DSC Slice capabilities-1 */
488  #define DP_PCON_DSC_SLICE_CAP_1		    0x096
489  # define DP_PCON_DSC_1_PER_DSC_ENC     (0x1 << 0)
490  # define DP_PCON_DSC_2_PER_DSC_ENC     (0x1 << 1)
491  # define DP_PCON_DSC_4_PER_DSC_ENC     (0x1 << 3)
492  # define DP_PCON_DSC_6_PER_DSC_ENC     (0x1 << 4)
493  # define DP_PCON_DSC_8_PER_DSC_ENC     (0x1 << 5)
494  # define DP_PCON_DSC_10_PER_DSC_ENC    (0x1 << 6)
495  # define DP_PCON_DSC_12_PER_DSC_ENC    (0x1 << 7)
496  
497  #define DP_PCON_DSC_BUF_BIT_DEPTH	    0x097
498  # define DP_PCON_DSC_BIT_DEPTH_MASK	    (0xF << 0)
499  # define DP_PCON_DSC_DEPTH_9_BITS	    0
500  # define DP_PCON_DSC_DEPTH_10_BITS	    1
501  # define DP_PCON_DSC_DEPTH_11_BITS	    2
502  # define DP_PCON_DSC_DEPTH_12_BITS	    3
503  # define DP_PCON_DSC_DEPTH_13_BITS	    4
504  # define DP_PCON_DSC_DEPTH_14_BITS	    5
505  # define DP_PCON_DSC_DEPTH_15_BITS	    6
506  # define DP_PCON_DSC_DEPTH_16_BITS	    7
507  # define DP_PCON_DSC_DEPTH_8_BITS	    8
508  
509  #define DP_PCON_DSC_BLOCK_PREDICTION	    0x098
510  # define DP_PCON_DSC_BLOCK_PRED_SUPPORT	    (0x1 << 0)
511  
512  #define DP_PCON_DSC_ENC_COLOR_FMT_CAP	    0x099
513  # define DP_PCON_DSC_ENC_RGB		    (0x1 << 0)
514  # define DP_PCON_DSC_ENC_YUV444		    (0x1 << 1)
515  # define DP_PCON_DSC_ENC_YUV422_S	    (0x1 << 2)
516  # define DP_PCON_DSC_ENC_YUV422_N	    (0x1 << 3)
517  # define DP_PCON_DSC_ENC_YUV420_N	    (0x1 << 4)
518  
519  #define DP_PCON_DSC_ENC_COLOR_DEPTH_CAP	    0x09A
520  # define DP_PCON_DSC_ENC_8BPC		    (0x1 << 1)
521  # define DP_PCON_DSC_ENC_10BPC		    (0x1 << 2)
522  # define DP_PCON_DSC_ENC_12BPC		    (0x1 << 3)
523  
524  #define DP_PCON_DSC_MAX_SLICE_WIDTH	    0x09B
525  
526  /* DP-HDMI2.1 PCON DSC Slice capabilities-2 */
527  #define DP_PCON_DSC_SLICE_CAP_2             0x09C
528  # define DP_PCON_DSC_16_PER_DSC_ENC	    (0x1 << 0)
529  # define DP_PCON_DSC_20_PER_DSC_ENC         (0x1 << 1)
530  # define DP_PCON_DSC_24_PER_DSC_ENC         (0x1 << 2)
531  
532  /* DP-HDMI2.1 PCON HDMI TX Encoder Bits/pixel increment */
533  #define DP_PCON_DSC_BPP_INCR		    0x09E
534  # define DP_PCON_DSC_BPP_INCR_MASK	    (0x7 << 0)
535  # define DP_PCON_DSC_ONE_16TH_BPP	    0
536  # define DP_PCON_DSC_ONE_8TH_BPP	    1
537  # define DP_PCON_DSC_ONE_4TH_BPP	    2
538  # define DP_PCON_DSC_ONE_HALF_BPP	    3
539  # define DP_PCON_DSC_ONE_BPP		    4
540  
541  /* DP Extended DSC Capabilities */
542  #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_0  0x0a0   /* DP 1.4a SCR */
543  #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1  0x0a1
544  #define DP_DSC_BRANCH_MAX_LINE_WIDTH        0x0a2
545  
546  /* DFP Capability Extension */
547  #define DP_DFP_CAPABILITY_EXTENSION_SUPPORT	0x0a3	/* 2.0 */
548  
549  #define DP_PANEL_REPLAY_CAP				0x0b0  /* DP 2.0 */
550  # define DP_PANEL_REPLAY_SUPPORT			(1 << 0)
551  # define DP_PANEL_REPLAY_SU_SUPPORT			(1 << 1)
552  # define DP_PANEL_REPLAY_EARLY_TRANSPORT_SUPPORT	(1 << 2) /* eDP 1.5 */
553  
554  #define DP_PANEL_PANEL_REPLAY_CAPABILITY		0xb1
555  # define DP_PANEL_PANEL_REPLAY_SU_GRANULARITY_REQUIRED	(1 << 5)
556  
557  #define DP_PANEL_PANEL_REPLAY_X_GRANULARITY		0xb2
558  #define DP_PANEL_PANEL_REPLAY_Y_GRANULARITY		0xb4
559  
560  /* Link Configuration */
561  #define	DP_LINK_BW_SET		            0x100
562  # define DP_LINK_RATE_TABLE		    0x00    /* eDP 1.4 */
563  # define DP_LINK_BW_1_62		    0x06
564  # define DP_LINK_BW_2_7			    0x0a
565  # define DP_LINK_BW_5_4			    0x14    /* 1.2 */
566  # define DP_LINK_BW_8_1			    0x1e    /* 1.4 */
567  # define DP_LINK_BW_10                      0x01    /* 2.0 128b/132b Link Layer */
568  # define DP_LINK_BW_13_5                    0x04    /* 2.0 128b/132b Link Layer */
569  # define DP_LINK_BW_20                      0x02    /* 2.0 128b/132b Link Layer */
570  
571  #define DP_LANE_COUNT_SET	            0x101
572  # define DP_LANE_COUNT_MASK		    0x0f
573  # define DP_LANE_COUNT_ENHANCED_FRAME_EN    (1 << 7)
574  
575  #define DP_TRAINING_PATTERN_SET	            0x102
576  # define DP_TRAINING_PATTERN_DISABLE	    0
577  # define DP_TRAINING_PATTERN_1		    1
578  # define DP_TRAINING_PATTERN_2		    2
579  # define DP_TRAINING_PATTERN_2_CDS	    3	    /* 2.0 E11 */
580  # define DP_TRAINING_PATTERN_3		    3	    /* 1.2 */
581  # define DP_TRAINING_PATTERN_4              7       /* 1.4 */
582  # define DP_TRAINING_PATTERN_MASK	    0x3
583  # define DP_TRAINING_PATTERN_MASK_1_4	    0xf
584  
585  /* DPCD 1.1 only. For DPCD >= 1.2 see per-lane DP_LINK_QUAL_LANEn_SET */
586  # define DP_LINK_QUAL_PATTERN_11_DISABLE    (0 << 2)
587  # define DP_LINK_QUAL_PATTERN_11_D10_2	    (1 << 2)
588  # define DP_LINK_QUAL_PATTERN_11_ERROR_RATE (2 << 2)
589  # define DP_LINK_QUAL_PATTERN_11_PRBS7	    (3 << 2)
590  # define DP_LINK_QUAL_PATTERN_11_MASK	    (3 << 2)
591  
592  # define DP_RECOVERED_CLOCK_OUT_EN	    (1 << 4)
593  # define DP_LINK_SCRAMBLING_DISABLE	    (1 << 5)
594  
595  # define DP_SYMBOL_ERROR_COUNT_BOTH	    (0 << 6)
596  # define DP_SYMBOL_ERROR_COUNT_DISPARITY    (1 << 6)
597  # define DP_SYMBOL_ERROR_COUNT_SYMBOL	    (2 << 6)
598  # define DP_SYMBOL_ERROR_COUNT_MASK	    (3 << 6)
599  
600  #define DP_TRAINING_LANE0_SET		    0x103
601  #define DP_TRAINING_LANE1_SET		    0x104
602  #define DP_TRAINING_LANE2_SET		    0x105
603  #define DP_TRAINING_LANE3_SET		    0x106
604  
605  # define DP_TRAIN_VOLTAGE_SWING_MASK	    0x3
606  # define DP_TRAIN_VOLTAGE_SWING_SHIFT	    0
607  # define DP_TRAIN_MAX_SWING_REACHED	    (1 << 2)
608  # define DP_TRAIN_VOLTAGE_SWING_LEVEL_0 (0 << 0)
609  # define DP_TRAIN_VOLTAGE_SWING_LEVEL_1 (1 << 0)
610  # define DP_TRAIN_VOLTAGE_SWING_LEVEL_2 (2 << 0)
611  # define DP_TRAIN_VOLTAGE_SWING_LEVEL_3 (3 << 0)
612  
613  # define DP_TRAIN_PRE_EMPHASIS_MASK	    (3 << 3)
614  # define DP_TRAIN_PRE_EMPH_LEVEL_0		(0 << 3)
615  # define DP_TRAIN_PRE_EMPH_LEVEL_1		(1 << 3)
616  # define DP_TRAIN_PRE_EMPH_LEVEL_2		(2 << 3)
617  # define DP_TRAIN_PRE_EMPH_LEVEL_3		(3 << 3)
618  
619  # define DP_TRAIN_PRE_EMPHASIS_SHIFT	    3
620  # define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED  (1 << 5)
621  
622  # define DP_TX_FFE_PRESET_VALUE_MASK        (0xf << 0) /* 2.0 128b/132b Link Layer */
623  
624  #define DP_DOWNSPREAD_CTRL		    0x107
625  # define DP_SPREAD_AMP_0_5		    (1 << 4)
626  # define DP_FIXED_VTOTAL_AS_SDP_EN_IN_PR_ACTIVE  (1 << 6)
627  # define DP_MSA_TIMING_PAR_IGNORE_EN	    (1 << 7) /* eDP */
628  
629  #define DP_MAIN_LINK_CHANNEL_CODING_SET	    0x108
630  # define DP_SET_ANSI_8B10B		    (1 << 0)
631  # define DP_SET_ANSI_128B132B               (1 << 1)
632  
633  #define DP_I2C_SPEED_CONTROL_STATUS	    0x109   /* DPI */
634  /* bitmask as for DP_I2C_SPEED_CAP */
635  
636  #define DP_EDP_CONFIGURATION_SET            0x10a   /* XXX 1.2? */
637  # define DP_ALTERNATE_SCRAMBLER_RESET_ENABLE (1 << 0)
638  # define DP_FRAMING_CHANGE_ENABLE	    (1 << 1)
639  # define DP_PANEL_SELF_TEST_ENABLE	    (1 << 7)
640  
641  #define DP_LINK_QUAL_LANE0_SET		    0x10b   /* DPCD >= 1.2 */
642  #define DP_LINK_QUAL_LANE1_SET		    0x10c
643  #define DP_LINK_QUAL_LANE2_SET		    0x10d
644  #define DP_LINK_QUAL_LANE3_SET		    0x10e
645  # define DP_LINK_QUAL_PATTERN_DISABLE	    0
646  # define DP_LINK_QUAL_PATTERN_D10_2	    1
647  # define DP_LINK_QUAL_PATTERN_ERROR_RATE    2
648  # define DP_LINK_QUAL_PATTERN_PRBS7	    3
649  # define DP_LINK_QUAL_PATTERN_80BIT_CUSTOM  4
650  # define DP_LINK_QUAL_PATTERN_CP2520_PAT_1  5
651  # define DP_LINK_QUAL_PATTERN_CP2520_PAT_2  6
652  # define DP_LINK_QUAL_PATTERN_CP2520_PAT_3  7
653  /* DP 2.0 UHBR10, UHBR13.5, UHBR20 */
654  # define DP_LINK_QUAL_PATTERN_128B132B_TPS1 0x08
655  # define DP_LINK_QUAL_PATTERN_128B132B_TPS2 0x10
656  # define DP_LINK_QUAL_PATTERN_PRSBS9        0x18
657  # define DP_LINK_QUAL_PATTERN_PRSBS11       0x20
658  # define DP_LINK_QUAL_PATTERN_PRSBS15       0x28
659  # define DP_LINK_QUAL_PATTERN_PRSBS23       0x30
660  # define DP_LINK_QUAL_PATTERN_PRSBS31       0x38
661  # define DP_LINK_QUAL_PATTERN_CUSTOM        0x40
662  # define DP_LINK_QUAL_PATTERN_SQUARE        0x48
663  # define DP_LINK_QUAL_PATTERN_SQUARE_PRESHOOT_DISABLED                   0x49
664  # define DP_LINK_QUAL_PATTERN_SQUARE_DEEMPHASIS_DISABLED                 0x4a
665  # define DP_LINK_QUAL_PATTERN_SQUARE_PRESHOOT_DEEMPHASIS_DISABLED        0x4b
666  
667  #define DP_TRAINING_LANE0_1_SET2	    0x10f
668  #define DP_TRAINING_LANE2_3_SET2	    0x110
669  # define DP_LANE02_POST_CURSOR2_SET_MASK    (3 << 0)
670  # define DP_LANE02_MAX_POST_CURSOR2_REACHED (1 << 2)
671  # define DP_LANE13_POST_CURSOR2_SET_MASK    (3 << 4)
672  # define DP_LANE13_MAX_POST_CURSOR2_REACHED (1 << 6)
673  
674  #define DP_MSTM_CTRL			    0x111   /* 1.2 */
675  # define DP_MST_EN			    (1 << 0)
676  # define DP_UP_REQ_EN			    (1 << 1)
677  # define DP_UPSTREAM_IS_SRC		    (1 << 2)
678  
679  #define DP_AUDIO_DELAY0			    0x112   /* 1.2 */
680  #define DP_AUDIO_DELAY1			    0x113
681  #define DP_AUDIO_DELAY2			    0x114
682  
683  #define DP_LINK_RATE_SET		    0x115   /* eDP 1.4 */
684  # define DP_LINK_RATE_SET_SHIFT		    0
685  # define DP_LINK_RATE_SET_MASK		    (7 << 0)
686  
687  #define DP_RECEIVER_ALPM_CONFIG		    0x116   /* eDP 1.4 */
688  # define DP_ALPM_ENABLE			    (1 << 0)
689  # define DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE  (1 << 1) /* eDP 1.5 */
690  # define DP_ALPM_MODE_AUX_LESS		    (1 << 2) /* eDP 1.5 */
691  
692  #define DP_SINK_DEVICE_AUX_FRAME_SYNC_CONF  0x117   /* eDP 1.4 */
693  # define DP_AUX_FRAME_SYNC_ENABLE	    (1 << 0)
694  # define DP_IRQ_HPD_ENABLE		    (1 << 1)
695  
696  #define DP_UPSTREAM_DEVICE_DP_PWR_NEED	    0x118   /* 1.2 */
697  # define DP_PWR_NOT_NEEDED		    (1 << 0)
698  
699  #define DP_FEC_CONFIGURATION		    0x120    /* 1.4 */
700  # define DP_FEC_READY			    (1 << 0)
701  # define DP_FEC_ERR_COUNT_SEL_MASK	    (7 << 1)
702  # define DP_FEC_ERR_COUNT_DIS		    (0 << 1)
703  # define DP_FEC_UNCORR_BLK_ERROR_COUNT	    (1 << 1)
704  # define DP_FEC_CORR_BLK_ERROR_COUNT	    (2 << 1)
705  # define DP_FEC_BIT_ERROR_COUNT		    (3 << 1)
706  # define DP_FEC_LANE_SELECT_MASK	    (3 << 4)
707  # define DP_FEC_LANE_0_SELECT		    (0 << 4)
708  # define DP_FEC_LANE_1_SELECT		    (1 << 4)
709  # define DP_FEC_LANE_2_SELECT		    (2 << 4)
710  # define DP_FEC_LANE_3_SELECT		    (3 << 4)
711  
712  #define DP_SDP_ERROR_DETECTION_CONFIGURATION	0x121	/* DP 2.0 E11 */
713  #define DP_SDP_CRC16_128B132B_EN		BIT(0)
714  
715  #define DP_AUX_FRAME_SYNC_VALUE		    0x15c   /* eDP 1.4 */
716  # define DP_AUX_FRAME_SYNC_VALID	    (1 << 0)
717  
718  #define DP_DSC_ENABLE                       0x160   /* DP 1.4 */
719  # define DP_DECOMPRESSION_EN                (1 << 0)
720  # define DP_DSC_PASSTHROUGH_EN		    (1 << 1)
721  #define DP_DSC_CONFIGURATION				0x161	/* DP 2.0 */
722  
723  #define DP_PSR_EN_CFG				0x170   /* XXX 1.2? */
724  # define DP_PSR_ENABLE				BIT(0)
725  # define DP_PSR_MAIN_LINK_ACTIVE		BIT(1)
726  # define DP_PSR_CRC_VERIFICATION		BIT(2)
727  # define DP_PSR_FRAME_CAPTURE			BIT(3)
728  # define DP_PSR_SU_REGION_SCANLINE_CAPTURE	BIT(4) /* eDP 1.4a */
729  # define DP_PSR_IRQ_HPD_WITH_CRC_ERRORS		BIT(5) /* eDP 1.4a */
730  # define DP_PSR_ENABLE_PSR2			BIT(6) /* eDP 1.4a */
731  # define DP_PSR_ENABLE_SU_REGION_ET             BIT(7) /* eDP 1.5 */
732  
733  #define DP_ADAPTER_CTRL			    0x1a0
734  # define DP_ADAPTER_CTRL_FORCE_LOAD_SENSE   (1 << 0)
735  
736  #define DP_BRANCH_DEVICE_CTRL		    0x1a1
737  # define DP_BRANCH_DEVICE_IRQ_HPD	    (1 << 0)
738  
739  #define PANEL_REPLAY_CONFIG                             0x1b0  /* DP 2.0 */
740  # define DP_PANEL_REPLAY_ENABLE                         (1 << 0)
741  # define DP_PANEL_REPLAY_VSC_SDP_CRC_EN                 (1 << 1) /* eDP 1.5 */
742  # define DP_PANEL_REPLAY_UNRECOVERABLE_ERROR_EN         (1 << 3)
743  # define DP_PANEL_REPLAY_RFB_STORAGE_ERROR_EN           (1 << 4)
744  # define DP_PANEL_REPLAY_ACTIVE_FRAME_CRC_ERROR_EN      (1 << 5)
745  # define DP_PANEL_REPLAY_SU_ENABLE                      (1 << 6)
746  # define DP_PANEL_REPLAY_ENABLE_SU_REGION_ET            (1 << 7) /* DP 2.1 */
747  
748  #define PANEL_REPLAY_CONFIG2                                     0x1b1 /* eDP 1.5 */
749  # define DP_PANEL_REPLAY_SINK_REFRESH_RATE_UNLOCK_GRANTED	 (1 << 0)
750  # define DP_PANEL_REPLAY_CRC_VERIFICATION			 (1 << 1)
751  # define DP_PANEL_REPLAY_SU_Y_GRANULARITY_EXTENDED_EN		 (1 << 2)
752  # define DP_PANEL_REPLAY_SU_Y_GRANULARITY_EXTENDED_VAL_SEL_SHIFT 3
753  # define DP_PANEL_REPLAY_SU_Y_GRANULARITY_EXTENDED_VAL_SEL_MASK  (0xf << 3)
754  # define DP_PANEL_REPLAY_SU_REGION_SCANLINE_CAPTURE		 (1 << 7)
755  
756  #define DP_PAYLOAD_ALLOCATE_SET		    0x1c0
757  #define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1
758  #define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2
759  
760  /* Link/Sink Device Status */
761  #define DP_SINK_COUNT			    0x200
762  /* prior to 1.2 bit 7 was reserved mbz */
763  # define DP_GET_SINK_COUNT(x)		    ((((x) & 0x80) >> 1) | ((x) & 0x3f))
764  # define DP_SINK_CP_READY		    (1 << 6)
765  
766  #define DP_DEVICE_SERVICE_IRQ_VECTOR	    0x201
767  # define DP_REMOTE_CONTROL_COMMAND_PENDING  (1 << 0)
768  # define DP_AUTOMATED_TEST_REQUEST	    (1 << 1)
769  # define DP_CP_IRQ			    (1 << 2)
770  # define DP_MCCS_IRQ			    (1 << 3)
771  # define DP_DOWN_REP_MSG_RDY		    (1 << 4) /* 1.2 MST */
772  # define DP_UP_REQ_MSG_RDY		    (1 << 5) /* 1.2 MST */
773  # define DP_SINK_SPECIFIC_IRQ		    (1 << 6)
774  
775  #define DP_LANE0_1_STATUS		    0x202
776  #define DP_LANE2_3_STATUS		    0x203
777  # define DP_LANE_CR_DONE		    (1 << 0)
778  # define DP_LANE_CHANNEL_EQ_DONE	    (1 << 1)
779  # define DP_LANE_SYMBOL_LOCKED		    (1 << 2)
780  
781  #define DP_CHANNEL_EQ_BITS (DP_LANE_CR_DONE |		\
782  			    DP_LANE_CHANNEL_EQ_DONE |	\
783  			    DP_LANE_SYMBOL_LOCKED)
784  
785  #define DP_LANE_ALIGN_STATUS_UPDATED                    0x204
786  #define  DP_INTERLANE_ALIGN_DONE                        (1 << 0)
787  #define  DP_128B132B_DPRX_EQ_INTERLANE_ALIGN_DONE       (1 << 2) /* 2.0 E11 */
788  #define  DP_128B132B_DPRX_CDS_INTERLANE_ALIGN_DONE      (1 << 3) /* 2.0 E11 */
789  #define  DP_128B132B_LT_FAILED                          (1 << 4) /* 2.0 E11 */
790  #define  DP_DOWNSTREAM_PORT_STATUS_CHANGED              (1 << 6)
791  #define  DP_LINK_STATUS_UPDATED                         (1 << 7)
792  
793  #define DP_SINK_STATUS			    0x205
794  # define DP_RECEIVE_PORT_0_STATUS	    (1 << 0)
795  # define DP_RECEIVE_PORT_1_STATUS	    (1 << 1)
796  # define DP_STREAM_REGENERATION_STATUS      (1 << 2) /* 2.0 */
797  # define DP_INTRA_HOP_AUX_REPLY_INDICATION	(1 << 3) /* 2.0 */
798  
799  #define DP_ADJUST_REQUEST_LANE0_1	    0x206
800  #define DP_ADJUST_REQUEST_LANE2_3	    0x207
801  # define DP_ADJUST_VOLTAGE_SWING_LANE0_MASK  0x03
802  # define DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT 0
803  # define DP_ADJUST_PRE_EMPHASIS_LANE0_MASK   0x0c
804  # define DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT  2
805  # define DP_ADJUST_VOLTAGE_SWING_LANE1_MASK  0x30
806  # define DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT 4
807  # define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK   0xc0
808  # define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT  6
809  
810  /* DP 2.0 128b/132b Link Layer */
811  # define DP_ADJUST_TX_FFE_PRESET_LANE0_MASK  (0xf << 0)
812  # define DP_ADJUST_TX_FFE_PRESET_LANE0_SHIFT 0
813  # define DP_ADJUST_TX_FFE_PRESET_LANE1_MASK  (0xf << 4)
814  # define DP_ADJUST_TX_FFE_PRESET_LANE1_SHIFT 4
815  
816  #define DP_ADJUST_REQUEST_POST_CURSOR2      0x20c
817  # define DP_ADJUST_POST_CURSOR2_LANE0_MASK  0x03
818  # define DP_ADJUST_POST_CURSOR2_LANE0_SHIFT 0
819  # define DP_ADJUST_POST_CURSOR2_LANE1_MASK  0x0c
820  # define DP_ADJUST_POST_CURSOR2_LANE1_SHIFT 2
821  # define DP_ADJUST_POST_CURSOR2_LANE2_MASK  0x30
822  # define DP_ADJUST_POST_CURSOR2_LANE2_SHIFT 4
823  # define DP_ADJUST_POST_CURSOR2_LANE3_MASK  0xc0
824  # define DP_ADJUST_POST_CURSOR2_LANE3_SHIFT 6
825  
826  #define DP_TEST_REQUEST			    0x218
827  # define DP_TEST_LINK_TRAINING		    (1 << 0)
828  # define DP_TEST_LINK_VIDEO_PATTERN	    (1 << 1)
829  # define DP_TEST_LINK_EDID_READ		    (1 << 2)
830  # define DP_TEST_LINK_PHY_TEST_PATTERN	    (1 << 3) /* DPCD >= 1.1 */
831  # define DP_TEST_LINK_FAUX_PATTERN	    (1 << 4) /* DPCD >= 1.2 */
832  # define DP_TEST_LINK_AUDIO_PATTERN         (1 << 5) /* DPCD >= 1.2 */
833  # define DP_TEST_LINK_AUDIO_DISABLED_VIDEO  (1 << 6) /* DPCD >= 1.2 */
834  
835  #define DP_TEST_LINK_RATE		    0x219
836  # define DP_LINK_RATE_162		    (0x6)
837  # define DP_LINK_RATE_27		    (0xa)
838  
839  #define DP_TEST_LANE_COUNT		    0x220
840  
841  #define DP_TEST_PATTERN			    0x221
842  # define DP_NO_TEST_PATTERN                 0x0
843  # define DP_COLOR_RAMP                      0x1
844  # define DP_BLACK_AND_WHITE_VERTICAL_LINES  0x2
845  # define DP_COLOR_SQUARE                    0x3
846  
847  #define DP_TEST_H_TOTAL_HI                  0x222
848  #define DP_TEST_H_TOTAL_LO                  0x223
849  
850  #define DP_TEST_V_TOTAL_HI                  0x224
851  #define DP_TEST_V_TOTAL_LO                  0x225
852  
853  #define DP_TEST_H_START_HI                  0x226
854  #define DP_TEST_H_START_LO                  0x227
855  
856  #define DP_TEST_V_START_HI                  0x228
857  #define DP_TEST_V_START_LO                  0x229
858  
859  #define DP_TEST_HSYNC_HI                    0x22A
860  # define DP_TEST_HSYNC_POLARITY             (1 << 7)
861  # define DP_TEST_HSYNC_WIDTH_HI_MASK        (127 << 0)
862  #define DP_TEST_HSYNC_WIDTH_LO              0x22B
863  
864  #define DP_TEST_VSYNC_HI                    0x22C
865  # define DP_TEST_VSYNC_POLARITY             (1 << 7)
866  # define DP_TEST_VSYNC_WIDTH_HI_MASK        (127 << 0)
867  #define DP_TEST_VSYNC_WIDTH_LO              0x22D
868  
869  #define DP_TEST_H_WIDTH_HI                  0x22E
870  #define DP_TEST_H_WIDTH_LO                  0x22F
871  
872  #define DP_TEST_V_HEIGHT_HI                 0x230
873  #define DP_TEST_V_HEIGHT_LO                 0x231
874  
875  #define DP_TEST_MISC0                       0x232
876  # define DP_TEST_SYNC_CLOCK                 (1 << 0)
877  # define DP_TEST_COLOR_FORMAT_MASK          (3 << 1)
878  # define DP_TEST_COLOR_FORMAT_SHIFT         1
879  # define DP_COLOR_FORMAT_RGB                (0 << 1)
880  # define DP_COLOR_FORMAT_YCbCr422           (1 << 1)
881  # define DP_COLOR_FORMAT_YCbCr444           (2 << 1)
882  # define DP_TEST_DYNAMIC_RANGE_VESA         (0 << 3)
883  # define DP_TEST_DYNAMIC_RANGE_CEA          (1 << 3)
884  # define DP_TEST_YCBCR_COEFFICIENTS         (1 << 4)
885  # define DP_YCBCR_COEFFICIENTS_ITU601       (0 << 4)
886  # define DP_YCBCR_COEFFICIENTS_ITU709       (1 << 4)
887  # define DP_TEST_BIT_DEPTH_MASK             (7 << 5)
888  # define DP_TEST_BIT_DEPTH_SHIFT            5
889  # define DP_TEST_BIT_DEPTH_6                (0 << 5)
890  # define DP_TEST_BIT_DEPTH_8                (1 << 5)
891  # define DP_TEST_BIT_DEPTH_10               (2 << 5)
892  # define DP_TEST_BIT_DEPTH_12               (3 << 5)
893  # define DP_TEST_BIT_DEPTH_16               (4 << 5)
894  
895  #define DP_TEST_MISC1                       0x233
896  # define DP_TEST_REFRESH_DENOMINATOR        (1 << 0)
897  # define DP_TEST_INTERLACED                 (1 << 1)
898  
899  #define DP_TEST_REFRESH_RATE_NUMERATOR      0x234
900  
901  #define DP_TEST_MISC0                       0x232
902  
903  #define DP_TEST_CRC_R_CR		    0x240
904  #define DP_TEST_CRC_G_Y			    0x242
905  #define DP_TEST_CRC_B_CB		    0x244
906  
907  #define DP_TEST_SINK_MISC		    0x246
908  # define DP_TEST_CRC_SUPPORTED		    (1 << 5)
909  # define DP_TEST_COUNT_MASK		    0xf
910  
911  #define DP_PHY_TEST_PATTERN                 0x248
912  # define DP_PHY_TEST_PATTERN_SEL_MASK       0x7
913  # define DP_PHY_TEST_PATTERN_NONE           0x0
914  # define DP_PHY_TEST_PATTERN_D10_2          0x1
915  # define DP_PHY_TEST_PATTERN_ERROR_COUNT    0x2
916  # define DP_PHY_TEST_PATTERN_PRBS7          0x3
917  # define DP_PHY_TEST_PATTERN_80BIT_CUSTOM   0x4
918  # define DP_PHY_TEST_PATTERN_CP2520         0x5
919  
920  #define DP_PHY_SQUARE_PATTERN				0x249
921  
922  #define DP_TEST_HBR2_SCRAMBLER_RESET        0x24A
923  #define DP_TEST_80BIT_CUSTOM_PATTERN_7_0    0x250
924  #define	DP_TEST_80BIT_CUSTOM_PATTERN_15_8   0x251
925  #define	DP_TEST_80BIT_CUSTOM_PATTERN_23_16  0x252
926  #define	DP_TEST_80BIT_CUSTOM_PATTERN_31_24  0x253
927  #define	DP_TEST_80BIT_CUSTOM_PATTERN_39_32  0x254
928  #define	DP_TEST_80BIT_CUSTOM_PATTERN_47_40  0x255
929  #define	DP_TEST_80BIT_CUSTOM_PATTERN_55_48  0x256
930  #define	DP_TEST_80BIT_CUSTOM_PATTERN_63_56  0x257
931  #define	DP_TEST_80BIT_CUSTOM_PATTERN_71_64  0x258
932  #define	DP_TEST_80BIT_CUSTOM_PATTERN_79_72  0x259
933  
934  #define DP_TEST_RESPONSE		    0x260
935  # define DP_TEST_ACK			    (1 << 0)
936  # define DP_TEST_NAK			    (1 << 1)
937  # define DP_TEST_EDID_CHECKSUM_WRITE	    (1 << 2)
938  
939  #define DP_TEST_EDID_CHECKSUM		    0x261
940  
941  #define DP_TEST_SINK			    0x270
942  # define DP_TEST_SINK_START		    (1 << 0)
943  #define DP_TEST_AUDIO_MODE		    0x271
944  #define DP_TEST_AUDIO_PATTERN_TYPE	    0x272
945  #define DP_TEST_AUDIO_PERIOD_CH1	    0x273
946  #define DP_TEST_AUDIO_PERIOD_CH2	    0x274
947  #define DP_TEST_AUDIO_PERIOD_CH3	    0x275
948  #define DP_TEST_AUDIO_PERIOD_CH4	    0x276
949  #define DP_TEST_AUDIO_PERIOD_CH5	    0x277
950  #define DP_TEST_AUDIO_PERIOD_CH6	    0x278
951  #define DP_TEST_AUDIO_PERIOD_CH7	    0x279
952  #define DP_TEST_AUDIO_PERIOD_CH8	    0x27A
953  
954  #define DP_FEC_STATUS			    0x280    /* 1.4 */
955  # define DP_FEC_DECODE_EN_DETECTED	    (1 << 0)
956  # define DP_FEC_DECODE_DIS_DETECTED	    (1 << 1)
957  
958  #define DP_FEC_ERROR_COUNT_LSB		    0x0281    /* 1.4 */
959  
960  #define DP_FEC_ERROR_COUNT_MSB		    0x0282    /* 1.4 */
961  # define DP_FEC_ERROR_COUNT_MASK	    0x7F
962  # define DP_FEC_ERR_COUNT_VALID		    (1 << 7)
963  
964  #define DP_PAYLOAD_TABLE_UPDATE_STATUS      0x2c0   /* 1.2 MST */
965  # define DP_PAYLOAD_TABLE_UPDATED           (1 << 0)
966  # define DP_PAYLOAD_ACT_HANDLED             (1 << 1)
967  
968  #define DP_VC_PAYLOAD_ID_SLOT_1             0x2c1   /* 1.2 MST */
969  /* up to ID_SLOT_63 at 0x2ff */
970  
971  /* Source Device-specific */
972  #define DP_SOURCE_OUI			    0x300
973  
974  /* Sink Device-specific */
975  #define DP_SINK_OUI			    0x400
976  
977  /* Branch Device-specific */
978  #define DP_BRANCH_OUI			    0x500
979  #define DP_BRANCH_ID                        0x503
980  #define DP_BRANCH_REVISION_START            0x509
981  #define DP_BRANCH_HW_REV                    0x509
982  #define DP_BRANCH_SW_REV                    0x50A
983  
984  /* Link/Sink Device Power Control */
985  #define DP_SET_POWER                        0x600
986  # define DP_SET_POWER_D0                    0x1
987  # define DP_SET_POWER_D3                    0x2
988  # define DP_SET_POWER_MASK                  0x3
989  # define DP_SET_POWER_D3_AUX_ON             0x5
990  
991  /* eDP-specific */
992  #define DP_EDP_DPCD_REV			    0x700    /* eDP 1.2 */
993  # define DP_EDP_11			    0x00
994  # define DP_EDP_12			    0x01
995  # define DP_EDP_13			    0x02
996  # define DP_EDP_14			    0x03
997  # define DP_EDP_14a                         0x04    /* eDP 1.4a */
998  # define DP_EDP_14b                         0x05    /* eDP 1.4b */
999  
1000  #define DP_EDP_GENERAL_CAP_1		    0x701
1001  # define DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP		(1 << 0)
1002  # define DP_EDP_BACKLIGHT_PIN_ENABLE_CAP		(1 << 1)
1003  # define DP_EDP_BACKLIGHT_AUX_ENABLE_CAP		(1 << 2)
1004  # define DP_EDP_PANEL_SELF_TEST_PIN_ENABLE_CAP		(1 << 3)
1005  # define DP_EDP_PANEL_SELF_TEST_AUX_ENABLE_CAP		(1 << 4)
1006  # define DP_EDP_FRC_ENABLE_CAP				(1 << 5)
1007  # define DP_EDP_COLOR_ENGINE_CAP			(1 << 6)
1008  # define DP_EDP_SET_POWER_CAP				(1 << 7)
1009  
1010  #define DP_EDP_BACKLIGHT_ADJUSTMENT_CAP     0x702
1011  # define DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP	(1 << 0)
1012  # define DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP	(1 << 1)
1013  # define DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT		(1 << 2)
1014  # define DP_EDP_BACKLIGHT_AUX_PWM_PRODUCT_CAP		(1 << 3)
1015  # define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_CAP	(1 << 4)
1016  # define DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP		(1 << 5)
1017  # define DP_EDP_DYNAMIC_BACKLIGHT_CAP			(1 << 6)
1018  # define DP_EDP_VBLANK_BACKLIGHT_UPDATE_CAP		(1 << 7)
1019  
1020  #define DP_EDP_GENERAL_CAP_2		    0x703
1021  # define DP_EDP_OVERDRIVE_ENGINE_ENABLED		(1 << 0)
1022  # define DP_EDP_PANEL_LUMINANCE_CONTROL_CAPABLE		(1 << 4)
1023  
1024  #define DP_EDP_GENERAL_CAP_3		    0x704    /* eDP 1.4 */
1025  # define DP_EDP_X_REGION_CAP_MASK			(0xf << 0)
1026  # define DP_EDP_X_REGION_CAP_SHIFT			0
1027  # define DP_EDP_Y_REGION_CAP_MASK			(0xf << 4)
1028  # define DP_EDP_Y_REGION_CAP_SHIFT			4
1029  
1030  #define DP_EDP_DISPLAY_CONTROL_REGISTER     0x720
1031  # define DP_EDP_BACKLIGHT_ENABLE			(1 << 0)
1032  # define DP_EDP_BLACK_VIDEO_ENABLE			(1 << 1)
1033  # define DP_EDP_FRC_ENABLE				(1 << 2)
1034  # define DP_EDP_COLOR_ENGINE_ENABLE			(1 << 3)
1035  # define DP_EDP_VBLANK_BACKLIGHT_UPDATE_ENABLE		(1 << 7)
1036  
1037  #define DP_EDP_BACKLIGHT_MODE_SET_REGISTER  0x721
1038  # define DP_EDP_BACKLIGHT_CONTROL_MODE_MASK		(3 << 0)
1039  # define DP_EDP_BACKLIGHT_CONTROL_MODE_PWM		(0 << 0)
1040  # define DP_EDP_BACKLIGHT_CONTROL_MODE_PRESET		(1 << 0)
1041  # define DP_EDP_BACKLIGHT_CONTROL_MODE_DPCD		(2 << 0)
1042  # define DP_EDP_BACKLIGHT_CONTROL_MODE_PRODUCT		(3 << 0)
1043  # define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_ENABLE	(1 << 2)
1044  # define DP_EDP_BACKLIGHT_FREQ_AUX_SET_ENABLE		(1 << 3)
1045  # define DP_EDP_DYNAMIC_BACKLIGHT_ENABLE		(1 << 4)
1046  # define DP_EDP_REGIONAL_BACKLIGHT_ENABLE		(1 << 5)
1047  # define DP_EDP_UPDATE_REGION_BRIGHTNESS		(1 << 6) /* eDP 1.4 */
1048  # define DP_EDP_PANEL_LUMINANCE_CONTROL_ENABLE		(1 << 7)
1049  
1050  #define DP_EDP_BACKLIGHT_BRIGHTNESS_MSB     0x722
1051  #define DP_EDP_BACKLIGHT_BRIGHTNESS_LSB     0x723
1052  
1053  #define DP_EDP_PWMGEN_BIT_COUNT             0x724
1054  #define DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN     0x725
1055  #define DP_EDP_PWMGEN_BIT_COUNT_CAP_MAX     0x726
1056  # define DP_EDP_PWMGEN_BIT_COUNT_MASK       (0x1f << 0)
1057  
1058  #define DP_EDP_BACKLIGHT_CONTROL_STATUS     0x727
1059  
1060  #define DP_EDP_BACKLIGHT_FREQ_SET           0x728
1061  # define DP_EDP_BACKLIGHT_FREQ_BASE_KHZ     27000
1062  
1063  #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MSB   0x72a
1064  #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MID   0x72b
1065  #define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_LSB   0x72c
1066  
1067  #define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MSB   0x72d
1068  #define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MID   0x72e
1069  #define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB   0x72f
1070  
1071  #define DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET   0x732
1072  #define DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET   0x733
1073  #define DP_EDP_PANEL_TARGET_LUMINANCE_VALUE 0x734
1074  
1075  #define DP_EDP_REGIONAL_BACKLIGHT_BASE      0x740    /* eDP 1.4 */
1076  #define DP_EDP_REGIONAL_BACKLIGHT_0	    0x741    /* eDP 1.4 */
1077  
1078  #define DP_EDP_MSO_LINK_CAPABILITIES        0x7a4    /* eDP 1.4 */
1079  # define DP_EDP_MSO_NUMBER_OF_LINKS_MASK    (7 << 0)
1080  # define DP_EDP_MSO_NUMBER_OF_LINKS_SHIFT   0
1081  # define DP_EDP_MSO_INDEPENDENT_LINK_BIT    (1 << 3)
1082  
1083  /* Sideband MSG Buffers */
1084  #define DP_SIDEBAND_MSG_DOWN_REQ_BASE	    0x1000   /* 1.2 MST */
1085  #define DP_SIDEBAND_MSG_UP_REP_BASE	    0x1200   /* 1.2 MST */
1086  #define DP_SIDEBAND_MSG_DOWN_REP_BASE	    0x1400   /* 1.2 MST */
1087  #define DP_SIDEBAND_MSG_UP_REQ_BASE	    0x1600   /* 1.2 MST */
1088  
1089  /* DPRX Event Status Indicator */
1090  #define DP_SINK_COUNT_ESI                   0x2002   /* same as 0x200 */
1091  #define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0   0x2003   /* same as 0x201 */
1092  
1093  #define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1   0x2004   /* 1.2 */
1094  # define DP_RX_GTC_MSTR_REQ_STATUS_CHANGE    (1 << 0)
1095  # define DP_LOCK_ACQUISITION_REQUEST         (1 << 1)
1096  # define DP_CEC_IRQ                          (1 << 2)
1097  
1098  #define DP_LINK_SERVICE_IRQ_VECTOR_ESI0     0x2005   /* 1.2 */
1099  # define RX_CAP_CHANGED                      (1 << 0)
1100  # define LINK_STATUS_CHANGED                 (1 << 1)
1101  # define STREAM_STATUS_CHANGED               (1 << 2)
1102  # define HDMI_LINK_STATUS_CHANGED            (1 << 3)
1103  # define CONNECTED_OFF_ENTRY_REQUESTED       (1 << 4)
1104  # define DP_TUNNELING_IRQ                    (1 << 5)
1105  
1106  #define DP_PSR_ERROR_STATUS                 0x2006  /* XXX 1.2? */
1107  # define DP_PSR_LINK_CRC_ERROR              (1 << 0)
1108  # define DP_PSR_RFB_STORAGE_ERROR           (1 << 1)
1109  # define DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR (1 << 2) /* eDP 1.4 */
1110  
1111  #define DP_PSR_ESI                          0x2007  /* XXX 1.2? */
1112  # define DP_PSR_CAPS_CHANGE                 (1 << 0)
1113  
1114  #define DP_PSR_STATUS                       0x2008  /* XXX 1.2? */
1115  # define DP_PSR_SINK_INACTIVE               0
1116  # define DP_PSR_SINK_ACTIVE_SRC_SYNCED      1
1117  # define DP_PSR_SINK_ACTIVE_RFB             2
1118  # define DP_PSR_SINK_ACTIVE_SINK_SYNCED     3
1119  # define DP_PSR_SINK_ACTIVE_RESYNC          4
1120  # define DP_PSR_SINK_INTERNAL_ERROR         7
1121  # define DP_PSR_SINK_STATE_MASK             0x07
1122  
1123  #define DP_SYNCHRONIZATION_LATENCY_IN_SINK		0x2009 /* edp 1.4 */
1124  # define DP_MAX_RESYNC_FRAME_COUNT_MASK			(0xf << 0)
1125  # define DP_MAX_RESYNC_FRAME_COUNT_SHIFT		0
1126  # define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_MASK	(0xf << 4)
1127  # define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_SHIFT	4
1128  
1129  #define DP_LAST_RECEIVED_PSR_SDP	    0x200a /* eDP 1.2 */
1130  # define DP_PSR_STATE_BIT		    (1 << 0) /* eDP 1.2 */
1131  # define DP_UPDATE_RFB_BIT		    (1 << 1) /* eDP 1.2 */
1132  # define DP_CRC_VALID_BIT		    (1 << 2) /* eDP 1.2 */
1133  # define DP_SU_VALID			    (1 << 3) /* eDP 1.4 */
1134  # define DP_FIRST_SCAN_LINE_SU_REGION	    (1 << 4) /* eDP 1.4 */
1135  # define DP_LAST_SCAN_LINE_SU_REGION	    (1 << 5) /* eDP 1.4 */
1136  # define DP_Y_COORDINATE_VALID		    (1 << 6) /* eDP 1.4a */
1137  
1138  #define DP_RECEIVER_ALPM_STATUS		    0x200b  /* eDP 1.4 */
1139  # define DP_ALPM_LOCK_TIMEOUT_ERROR	    (1 << 0)
1140  
1141  #define DP_LANE0_1_STATUS_ESI                  0x200c /* status same as 0x202 */
1142  #define DP_LANE2_3_STATUS_ESI                  0x200d /* status same as 0x203 */
1143  #define DP_LANE_ALIGN_STATUS_UPDATED_ESI       0x200e /* status same as 0x204 */
1144  #define DP_SINK_STATUS_ESI                     0x200f /* status same as 0x205 */
1145  
1146  #define DP_PANEL_REPLAY_ERROR_STATUS                   0x2020  /* DP 2.1*/
1147  # define DP_PANEL_REPLAY_LINK_CRC_ERROR                (1 << 0)
1148  # define DP_PANEL_REPLAY_RFB_STORAGE_ERROR             (1 << 1)
1149  # define DP_PANEL_REPLAY_VSC_SDP_UNCORRECTABLE_ERROR   (1 << 2)
1150  
1151  #define DP_SINK_DEVICE_PR_AND_FRAME_LOCK_STATUS        0x2022  /* DP 2.1 */
1152  # define DP_SINK_DEVICE_PANEL_REPLAY_STATUS_MASK       (7 << 0)
1153  # define DP_SINK_FRAME_LOCKED_SHIFT                    3
1154  # define DP_SINK_FRAME_LOCKED_MASK                     (3 << 3)
1155  # define DP_SINK_FRAME_LOCKED_STATUS_VALID_SHIFT       5
1156  # define DP_SINK_FRAME_LOCKED_STATUS_VALID_MASK        (1 << 5)
1157  
1158  /* Extended Receiver Capability: See DP_DPCD_REV for definitions */
1159  #define DP_DP13_DPCD_REV                    0x2200
1160  
1161  #define DP_DPRX_FEATURE_ENUMERATION_LIST    0x2210  /* DP 1.3 */
1162  # define DP_GTC_CAP					(1 << 0)  /* DP 1.3 */
1163  # define DP_SST_SPLIT_SDP_CAP				(1 << 1)  /* DP 1.4 */
1164  # define DP_AV_SYNC_CAP					(1 << 2)  /* DP 1.3 */
1165  # define DP_VSC_SDP_EXT_FOR_COLORIMETRY_SUPPORTED	(1 << 3)  /* DP 1.3 */
1166  # define DP_VSC_EXT_VESA_SDP_SUPPORTED			(1 << 4)  /* DP 1.4 */
1167  # define DP_VSC_EXT_VESA_SDP_CHAINING_SUPPORTED		(1 << 5)  /* DP 1.4 */
1168  # define DP_VSC_EXT_CEA_SDP_SUPPORTED			(1 << 6)  /* DP 1.4 */
1169  # define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED		(1 << 7)  /* DP 1.4 */
1170  
1171  #define DP_DPRX_FEATURE_ENUMERATION_LIST_CONT_1         0x2214 /* 2.0 E11 */
1172  # define DP_ADAPTIVE_SYNC_SDP_SUPPORTED    (1 << 0)
1173  # define DP_ADAPTIVE_SYNC_SDP_OPERATION_MODE		GENMASK(1, 0)
1174  # define DP_ADAPTIVE_SYNC_SDP_LENGTH				GENMASK(5, 0)
1175  # define DP_AS_SDP_FIRST_HALF_LINE_OR_3840_PIXEL_CYCLE_WINDOW_NOT_SUPPORTED (1 << 1)
1176  # define DP_VSC_EXT_SDP_FRAMEWORK_VERSION_1_SUPPORTED  (1 << 4)
1177  
1178  #define DP_128B132B_SUPPORTED_LINK_RATES       0x2215 /* 2.0 */
1179  # define DP_UHBR10                             (1 << 0)
1180  # define DP_UHBR20                             (1 << 1)
1181  # define DP_UHBR13_5                           (1 << 2)
1182  
1183  #define DP_128B132B_TRAINING_AUX_RD_INTERVAL                    0x2216 /* 2.0 */
1184  # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_1MS_UNIT          (1 << 7)
1185  # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK              0x7f
1186  # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_400_US            0x00
1187  # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_4_MS              0x01
1188  # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_8_MS              0x02
1189  # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_12_MS             0x03
1190  # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_16_MS             0x04
1191  # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_32_MS             0x05
1192  # define DP_128B132B_TRAINING_AUX_RD_INTERVAL_64_MS             0x06
1193  
1194  #define DP_TEST_264BIT_CUSTOM_PATTERN_7_0		0x2230
1195  #define DP_TEST_264BIT_CUSTOM_PATTERN_263_256	0x2250
1196  
1197  /* DSC Extended Capability Branch Total DSC Resources */
1198  #define DP_DSC_SUPPORT_AND_DSC_DECODER_COUNT		0x2260	/* 2.0 */
1199  # define DP_DSC_DECODER_COUNT_MASK			(0b111 << 5)
1200  # define DP_DSC_DECODER_COUNT_SHIFT			5
1201  #define DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0	0x2270	/* 2.0 */
1202  # define DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK	(1 << 0)
1203  # define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK	(0b111 << 1)
1204  # define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT	1
1205  
1206  /* Protocol Converter Extension */
1207  /* HDMI CEC tunneling over AUX DP 1.3 section 5.3.3.3.1 DPCD 1.4+ */
1208  #define DP_CEC_TUNNELING_CAPABILITY            0x3000
1209  # define DP_CEC_TUNNELING_CAPABLE               (1 << 0)
1210  # define DP_CEC_SNOOPING_CAPABLE                (1 << 1)
1211  # define DP_CEC_MULTIPLE_LA_CAPABLE             (1 << 2)
1212  
1213  #define DP_CEC_TUNNELING_CONTROL               0x3001
1214  # define DP_CEC_TUNNELING_ENABLE                (1 << 0)
1215  # define DP_CEC_SNOOPING_ENABLE                 (1 << 1)
1216  
1217  #define DP_CEC_RX_MESSAGE_INFO                 0x3002
1218  # define DP_CEC_RX_MESSAGE_LEN_MASK             (0xf << 0)
1219  # define DP_CEC_RX_MESSAGE_LEN_SHIFT            0
1220  # define DP_CEC_RX_MESSAGE_HPD_STATE            (1 << 4)
1221  # define DP_CEC_RX_MESSAGE_HPD_LOST             (1 << 5)
1222  # define DP_CEC_RX_MESSAGE_ACKED                (1 << 6)
1223  # define DP_CEC_RX_MESSAGE_ENDED                (1 << 7)
1224  
1225  #define DP_CEC_TX_MESSAGE_INFO                 0x3003
1226  # define DP_CEC_TX_MESSAGE_LEN_MASK             (0xf << 0)
1227  # define DP_CEC_TX_MESSAGE_LEN_SHIFT            0
1228  # define DP_CEC_TX_RETRY_COUNT_MASK             (0x7 << 4)
1229  # define DP_CEC_TX_RETRY_COUNT_SHIFT            4
1230  # define DP_CEC_TX_MESSAGE_SEND                 (1 << 7)
1231  
1232  #define DP_CEC_TUNNELING_IRQ_FLAGS             0x3004
1233  # define DP_CEC_RX_MESSAGE_INFO_VALID           (1 << 0)
1234  # define DP_CEC_RX_MESSAGE_OVERFLOW             (1 << 1)
1235  # define DP_CEC_TX_MESSAGE_SENT                 (1 << 4)
1236  # define DP_CEC_TX_LINE_ERROR                   (1 << 5)
1237  # define DP_CEC_TX_ADDRESS_NACK_ERROR           (1 << 6)
1238  # define DP_CEC_TX_DATA_NACK_ERROR              (1 << 7)
1239  
1240  #define DP_CEC_LOGICAL_ADDRESS_MASK            0x300E /* 0x300F word */
1241  # define DP_CEC_LOGICAL_ADDRESS_0               (1 << 0)
1242  # define DP_CEC_LOGICAL_ADDRESS_1               (1 << 1)
1243  # define DP_CEC_LOGICAL_ADDRESS_2               (1 << 2)
1244  # define DP_CEC_LOGICAL_ADDRESS_3               (1 << 3)
1245  # define DP_CEC_LOGICAL_ADDRESS_4               (1 << 4)
1246  # define DP_CEC_LOGICAL_ADDRESS_5               (1 << 5)
1247  # define DP_CEC_LOGICAL_ADDRESS_6               (1 << 6)
1248  # define DP_CEC_LOGICAL_ADDRESS_7               (1 << 7)
1249  #define DP_CEC_LOGICAL_ADDRESS_MASK_2          0x300F /* 0x300E word */
1250  # define DP_CEC_LOGICAL_ADDRESS_8               (1 << 0)
1251  # define DP_CEC_LOGICAL_ADDRESS_9               (1 << 1)
1252  # define DP_CEC_LOGICAL_ADDRESS_10              (1 << 2)
1253  # define DP_CEC_LOGICAL_ADDRESS_11              (1 << 3)
1254  # define DP_CEC_LOGICAL_ADDRESS_12              (1 << 4)
1255  # define DP_CEC_LOGICAL_ADDRESS_13              (1 << 5)
1256  # define DP_CEC_LOGICAL_ADDRESS_14              (1 << 6)
1257  # define DP_CEC_LOGICAL_ADDRESS_15              (1 << 7)
1258  
1259  #define DP_CEC_RX_MESSAGE_BUFFER               0x3010
1260  #define DP_CEC_TX_MESSAGE_BUFFER               0x3020
1261  #define DP_CEC_MESSAGE_BUFFER_LENGTH             0x10
1262  
1263  /* PCON CONFIGURE-1 FRL FOR HDMI SINK */
1264  #define DP_PCON_HDMI_LINK_CONFIG_1             0x305A
1265  # define DP_PCON_ENABLE_MAX_FRL_BW             (7 << 0)
1266  # define DP_PCON_ENABLE_MAX_BW_0GBPS	       0
1267  # define DP_PCON_ENABLE_MAX_BW_9GBPS	       1
1268  # define DP_PCON_ENABLE_MAX_BW_18GBPS	       2
1269  # define DP_PCON_ENABLE_MAX_BW_24GBPS	       3
1270  # define DP_PCON_ENABLE_MAX_BW_32GBPS	       4
1271  # define DP_PCON_ENABLE_MAX_BW_40GBPS	       5
1272  # define DP_PCON_ENABLE_MAX_BW_48GBPS	       6
1273  # define DP_PCON_ENABLE_SOURCE_CTL_MODE       (1 << 3)
1274  # define DP_PCON_ENABLE_CONCURRENT_LINK       (1 << 4)
1275  # define DP_PCON_ENABLE_SEQUENTIAL_LINK       (0 << 4)
1276  # define DP_PCON_ENABLE_LINK_FRL_MODE         (1 << 5)
1277  # define DP_PCON_ENABLE_HPD_READY	      (1 << 6)
1278  # define DP_PCON_ENABLE_HDMI_LINK             (1 << 7)
1279  
1280  /* PCON CONFIGURE-2 FRL FOR HDMI SINK */
1281  #define DP_PCON_HDMI_LINK_CONFIG_2            0x305B
1282  # define DP_PCON_MAX_LINK_BW_MASK             (0x3F << 0)
1283  # define DP_PCON_FRL_BW_MASK_9GBPS            (1 << 0)
1284  # define DP_PCON_FRL_BW_MASK_18GBPS           (1 << 1)
1285  # define DP_PCON_FRL_BW_MASK_24GBPS           (1 << 2)
1286  # define DP_PCON_FRL_BW_MASK_32GBPS           (1 << 3)
1287  # define DP_PCON_FRL_BW_MASK_40GBPS           (1 << 4)
1288  # define DP_PCON_FRL_BW_MASK_48GBPS           (1 << 5)
1289  # define DP_PCON_FRL_LINK_TRAIN_EXTENDED      (1 << 6)
1290  # define DP_PCON_FRL_LINK_TRAIN_NORMAL        (0 << 6)
1291  
1292  /* PCON HDMI LINK STATUS */
1293  #define DP_PCON_HDMI_TX_LINK_STATUS           0x303B
1294  # define DP_PCON_HDMI_TX_LINK_ACTIVE          (1 << 0)
1295  # define DP_PCON_FRL_READY		      (1 << 1)
1296  
1297  /* PCON HDMI POST FRL STATUS */
1298  #define DP_PCON_HDMI_POST_FRL_STATUS          0x3036
1299  # define DP_PCON_HDMI_LINK_MODE               (1 << 0)
1300  # define DP_PCON_HDMI_MODE_TMDS               0
1301  # define DP_PCON_HDMI_MODE_FRL                1
1302  # define DP_PCON_HDMI_FRL_TRAINED_BW          (0x3F << 1)
1303  # define DP_PCON_FRL_TRAINED_BW_9GBPS	      (1 << 1)
1304  # define DP_PCON_FRL_TRAINED_BW_18GBPS	      (1 << 2)
1305  # define DP_PCON_FRL_TRAINED_BW_24GBPS	      (1 << 3)
1306  # define DP_PCON_FRL_TRAINED_BW_32GBPS	      (1 << 4)
1307  # define DP_PCON_FRL_TRAINED_BW_40GBPS	      (1 << 5)
1308  # define DP_PCON_FRL_TRAINED_BW_48GBPS	      (1 << 6)
1309  
1310  #define DP_PROTOCOL_CONVERTER_CONTROL_0		0x3050 /* DP 1.3 */
1311  # define DP_HDMI_DVI_OUTPUT_CONFIG		(1 << 0) /* DP 1.3 */
1312  #define DP_PROTOCOL_CONVERTER_CONTROL_1		0x3051 /* DP 1.3 */
1313  # define DP_CONVERSION_TO_YCBCR420_ENABLE	(1 << 0) /* DP 1.3 */
1314  # define DP_HDMI_EDID_PROCESSING_DISABLE	(1 << 1) /* DP 1.4 */
1315  # define DP_HDMI_AUTONOMOUS_SCRAMBLING_DISABLE	(1 << 2) /* DP 1.4 */
1316  # define DP_HDMI_FORCE_SCRAMBLING		(1 << 3) /* DP 1.4 */
1317  #define DP_PROTOCOL_CONVERTER_CONTROL_2		0x3052 /* DP 1.3 */
1318  # define DP_CONVERSION_TO_YCBCR422_ENABLE	(1 << 0) /* DP 1.3 */
1319  # define DP_PCON_ENABLE_DSC_ENCODER	        (1 << 1)
1320  # define DP_PCON_ENCODER_PPS_OVERRIDE_MASK	(0x3 << 2)
1321  # define DP_PCON_ENC_PPS_OVERRIDE_DISABLED      0
1322  # define DP_PCON_ENC_PPS_OVERRIDE_EN_PARAMS     1
1323  # define DP_PCON_ENC_PPS_OVERRIDE_EN_BUFFER     2
1324  # define DP_CONVERSION_RGB_YCBCR_MASK	       (7 << 4)
1325  # define DP_CONVERSION_BT601_RGB_YCBCR_ENABLE  (1 << 4)
1326  # define DP_CONVERSION_BT709_RGB_YCBCR_ENABLE  (1 << 5)
1327  # define DP_CONVERSION_BT2020_RGB_YCBCR_ENABLE (1 << 6)
1328  
1329  /* PCON Downstream HDMI ERROR Status per Lane */
1330  #define DP_PCON_HDMI_ERROR_STATUS_LN0          0x3037
1331  #define DP_PCON_HDMI_ERROR_STATUS_LN1          0x3038
1332  #define DP_PCON_HDMI_ERROR_STATUS_LN2          0x3039
1333  #define DP_PCON_HDMI_ERROR_STATUS_LN3          0x303A
1334  # define DP_PCON_HDMI_ERROR_COUNT_MASK         (0x7 << 0)
1335  # define DP_PCON_HDMI_ERROR_COUNT_THREE_PLUS   (1 << 0)
1336  # define DP_PCON_HDMI_ERROR_COUNT_TEN_PLUS     (1 << 1)
1337  # define DP_PCON_HDMI_ERROR_COUNT_HUNDRED_PLUS (1 << 2)
1338  
1339  /* PCON HDMI CONFIG PPS Override Buffer
1340   * Valid Offsets to be added to Base : 0-127
1341   */
1342  #define DP_PCON_HDMI_PPS_OVERRIDE_BASE        0x3100
1343  
1344  /* PCON HDMI CONFIG PPS Override Parameter: Slice height
1345   * Offset-0 8LSBs of the Slice height.
1346   * Offset-1 8MSBs of the Slice height.
1347   */
1348  #define DP_PCON_HDMI_PPS_OVRD_SLICE_HEIGHT    0x3180
1349  
1350  /* PCON HDMI CONFIG PPS Override Parameter: Slice width
1351   * Offset-0 8LSBs of the Slice width.
1352   * Offset-1 8MSBs of the Slice width.
1353   */
1354  #define DP_PCON_HDMI_PPS_OVRD_SLICE_WIDTH    0x3182
1355  
1356  /* PCON HDMI CONFIG PPS Override Parameter: bits_per_pixel
1357   * Offset-0 8LSBs of the bits_per_pixel.
1358   * Offset-1 2MSBs of the bits_per_pixel.
1359   */
1360  #define DP_PCON_HDMI_PPS_OVRD_BPP	     0x3184
1361  
1362  /* HDCP 1.3 and HDCP 2.2 */
1363  #define DP_AUX_HDCP_BKSV		0x68000
1364  #define DP_AUX_HDCP_RI_PRIME		0x68005
1365  #define DP_AUX_HDCP_AKSV		0x68007
1366  #define DP_AUX_HDCP_AN			0x6800C
1367  #define DP_AUX_HDCP_V_PRIME(h)		(0x68014 + h * 4)
1368  #define DP_AUX_HDCP_BCAPS		0x68028
1369  # define DP_BCAPS_REPEATER_PRESENT	BIT(1)
1370  # define DP_BCAPS_HDCP_CAPABLE		BIT(0)
1371  #define DP_AUX_HDCP_BSTATUS		0x68029
1372  # define DP_BSTATUS_REAUTH_REQ		BIT(3)
1373  # define DP_BSTATUS_LINK_FAILURE	BIT(2)
1374  # define DP_BSTATUS_R0_PRIME_READY	BIT(1)
1375  # define DP_BSTATUS_READY		BIT(0)
1376  #define DP_AUX_HDCP_BINFO		0x6802A
1377  #define DP_AUX_HDCP_KSV_FIFO		0x6802C
1378  #define DP_AUX_HDCP_AINFO		0x6803B
1379  
1380  /* DP HDCP2.2 parameter offsets in DPCD address space */
1381  #define DP_HDCP_2_2_REG_RTX_OFFSET		0x69000
1382  #define DP_HDCP_2_2_REG_TXCAPS_OFFSET		0x69008
1383  #define DP_HDCP_2_2_REG_CERT_RX_OFFSET		0x6900B
1384  #define DP_HDCP_2_2_REG_RRX_OFFSET		0x69215
1385  #define DP_HDCP_2_2_REG_RX_CAPS_OFFSET		0x6921D
1386  #define DP_HDCP_2_2_REG_EKPUB_KM_OFFSET		0x69220
1387  #define DP_HDCP_2_2_REG_EKH_KM_WR_OFFSET	0x692A0
1388  #define DP_HDCP_2_2_REG_M_OFFSET		0x692B0
1389  #define DP_HDCP_2_2_REG_HPRIME_OFFSET		0x692C0
1390  #define DP_HDCP_2_2_REG_EKH_KM_RD_OFFSET	0x692E0
1391  #define DP_HDCP_2_2_REG_RN_OFFSET		0x692F0
1392  #define DP_HDCP_2_2_REG_LPRIME_OFFSET		0x692F8
1393  #define DP_HDCP_2_2_REG_EDKEY_KS_OFFSET		0x69318
1394  #define	DP_HDCP_2_2_REG_RIV_OFFSET		0x69328
1395  #define DP_HDCP_2_2_REG_RXINFO_OFFSET		0x69330
1396  #define DP_HDCP_2_2_REG_SEQ_NUM_V_OFFSET	0x69332
1397  #define DP_HDCP_2_2_REG_VPRIME_OFFSET		0x69335
1398  #define DP_HDCP_2_2_REG_RECV_ID_LIST_OFFSET	0x69345
1399  #define DP_HDCP_2_2_REG_V_OFFSET		0x693E0
1400  #define DP_HDCP_2_2_REG_SEQ_NUM_M_OFFSET	0x693F0
1401  #define DP_HDCP_2_2_REG_K_OFFSET		0x693F3
1402  #define DP_HDCP_2_2_REG_STREAM_ID_TYPE_OFFSET	0x693F5
1403  #define DP_HDCP_2_2_REG_MPRIME_OFFSET		0x69473
1404  #define DP_HDCP_2_2_REG_RXSTATUS_OFFSET		0x69493
1405  #define DP_HDCP_2_2_REG_STREAM_TYPE_OFFSET	0x69494
1406  #define DP_HDCP_2_2_REG_DBG_OFFSET		0x69518
1407  
1408  /* DP-tunneling */
1409  #define DP_TUNNELING_OUI				0xe0000
1410  #define  DP_TUNNELING_OUI_BYTES				3
1411  
1412  #define DP_TUNNELING_DEV_ID				0xe0003
1413  #define  DP_TUNNELING_DEV_ID_BYTES			6
1414  
1415  #define DP_TUNNELING_HW_REV				0xe0009
1416  #define  DP_TUNNELING_HW_REV_MAJOR_SHIFT		4
1417  #define  DP_TUNNELING_HW_REV_MAJOR_MASK			(0xf << DP_TUNNELING_HW_REV_MAJOR_SHIFT)
1418  #define  DP_TUNNELING_HW_REV_MINOR_SHIFT		0
1419  #define  DP_TUNNELING_HW_REV_MINOR_MASK			(0xf << DP_TUNNELING_HW_REV_MINOR_SHIFT)
1420  
1421  #define DP_TUNNELING_SW_REV_MAJOR			0xe000a
1422  #define DP_TUNNELING_SW_REV_MINOR			0xe000b
1423  
1424  #define DP_TUNNELING_CAPABILITIES			0xe000d
1425  #define  DP_IN_BW_ALLOCATION_MODE_SUPPORT		(1 << 7)
1426  #define  DP_PANEL_REPLAY_OPTIMIZATION_SUPPORT		(1 << 6)
1427  #define  DP_TUNNELING_SUPPORT				(1 << 0)
1428  
1429  #define DP_IN_ADAPTER_INFO				0xe000e
1430  #define  DP_IN_ADAPTER_NUMBER_BITS			7
1431  #define  DP_IN_ADAPTER_NUMBER_MASK			((1 << DP_IN_ADAPTER_NUMBER_BITS) - 1)
1432  
1433  #define DP_USB4_DRIVER_ID				0xe000f
1434  #define  DP_USB4_DRIVER_ID_BITS				4
1435  #define  DP_USB4_DRIVER_ID_MASK				((1 << DP_USB4_DRIVER_ID_BITS) - 1)
1436  
1437  #define DP_USB4_DRIVER_BW_CAPABILITY			0xe0020
1438  #define  DP_USB4_DRIVER_BW_ALLOCATION_MODE_SUPPORT	(1 << 7)
1439  
1440  #define DP_IN_ADAPTER_TUNNEL_INFORMATION		0xe0021
1441  #define  DP_GROUP_ID_BITS				3
1442  #define  DP_GROUP_ID_MASK				((1 << DP_GROUP_ID_BITS) - 1)
1443  
1444  #define DP_BW_GRANULARITY				0xe0022
1445  #define  DP_BW_GRANULARITY_MASK				0x3
1446  
1447  #define DP_ESTIMATED_BW					0xe0023
1448  #define DP_ALLOCATED_BW					0xe0024
1449  
1450  #define DP_TUNNELING_STATUS				0xe0025
1451  #define  DP_BW_ALLOCATION_CAPABILITY_CHANGED		(1 << 3)
1452  #define  DP_ESTIMATED_BW_CHANGED			(1 << 2)
1453  #define  DP_BW_REQUEST_SUCCEEDED			(1 << 1)
1454  #define  DP_BW_REQUEST_FAILED				(1 << 0)
1455  
1456  #define DP_TUNNELING_MAX_LINK_RATE			0xe0028
1457  
1458  #define DP_TUNNELING_MAX_LANE_COUNT			0xe0029
1459  #define  DP_TUNNELING_MAX_LANE_COUNT_MASK		0x1f
1460  
1461  #define DP_DPTX_BW_ALLOCATION_MODE_CONTROL		0xe0030
1462  #define  DP_DISPLAY_DRIVER_BW_ALLOCATION_MODE_ENABLE	(1 << 7)
1463  #define  DP_UNMASK_BW_ALLOCATION_IRQ			(1 << 6)
1464  
1465  #define DP_REQUEST_BW					0xe0031
1466  #define  MAX_DP_REQUEST_BW				255
1467  
1468  /* LTTPR: Link Training (LT)-tunable PHY Repeaters */
1469  #define DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV 0xf0000 /* 1.3 */
1470  #define DP_MAX_LINK_RATE_PHY_REPEATER			    0xf0001 /* 1.4a */
1471  #define DP_PHY_REPEATER_CNT				    0xf0002 /* 1.3 */
1472  #define DP_PHY_REPEATER_MODE				    0xf0003 /* 1.3 */
1473  #define DP_MAX_LANE_COUNT_PHY_REPEATER			    0xf0004 /* 1.4a */
1474  #define DP_Repeater_FEC_CAPABILITY			    0xf0004 /* 1.4 */
1475  #define DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT		    0xf0005 /* 1.4a */
1476  #define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER	    0xf0006 /* 2.0 */
1477  # define DP_PHY_REPEATER_128B132B_SUPPORTED		    (1 << 0)
1478  /* See DP_128B132B_SUPPORTED_LINK_RATES for values */
1479  #define DP_PHY_REPEATER_128B132B_RATES			    0xf0007 /* 2.0 */
1480  #define DP_PHY_REPEATER_EQ_DONE                             0xf0008 /* 2.0 E11 */
1481  
1482  enum drm_dp_phy {
1483  	DP_PHY_DPRX,
1484  
1485  	DP_PHY_LTTPR1,
1486  	DP_PHY_LTTPR2,
1487  	DP_PHY_LTTPR3,
1488  	DP_PHY_LTTPR4,
1489  	DP_PHY_LTTPR5,
1490  	DP_PHY_LTTPR6,
1491  	DP_PHY_LTTPR7,
1492  	DP_PHY_LTTPR8,
1493  
1494  	DP_MAX_LTTPR_COUNT = DP_PHY_LTTPR8,
1495  };
1496  
1497  #define DP_PHY_LTTPR(i)					    (DP_PHY_LTTPR1 + (i))
1498  
1499  #define __DP_LTTPR1_BASE				    0xf0010 /* 1.3 */
1500  #define __DP_LTTPR2_BASE				    0xf0060 /* 1.3 */
1501  #define DP_LTTPR_BASE(dp_phy) \
1502  	(__DP_LTTPR1_BASE + (__DP_LTTPR2_BASE - __DP_LTTPR1_BASE) * \
1503  		((dp_phy) - DP_PHY_LTTPR1))
1504  
1505  #define DP_LTTPR_REG(dp_phy, lttpr1_reg) \
1506  	(DP_LTTPR_BASE(dp_phy) - DP_LTTPR_BASE(DP_PHY_LTTPR1) + (lttpr1_reg))
1507  
1508  #define DP_TRAINING_PATTERN_SET_PHY_REPEATER1		    0xf0010 /* 1.3 */
1509  #define DP_TRAINING_PATTERN_SET_PHY_REPEATER(dp_phy) \
1510  	DP_LTTPR_REG(dp_phy, DP_TRAINING_PATTERN_SET_PHY_REPEATER1)
1511  
1512  #define DP_TRAINING_LANE0_SET_PHY_REPEATER1		    0xf0011 /* 1.3 */
1513  #define DP_TRAINING_LANE0_SET_PHY_REPEATER(dp_phy) \
1514  	DP_LTTPR_REG(dp_phy, DP_TRAINING_LANE0_SET_PHY_REPEATER1)
1515  
1516  #define DP_TRAINING_LANE1_SET_PHY_REPEATER1		    0xf0012 /* 1.3 */
1517  #define DP_TRAINING_LANE2_SET_PHY_REPEATER1		    0xf0013 /* 1.3 */
1518  #define DP_TRAINING_LANE3_SET_PHY_REPEATER1		    0xf0014 /* 1.3 */
1519  #define DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1	    0xf0020 /* 1.4a */
1520  #define DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER(dp_phy)	\
1521  	DP_LTTPR_REG(dp_phy, DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1)
1522  
1523  #define DP_TRANSMITTER_CAPABILITY_PHY_REPEATER1		    0xf0021 /* 1.4a */
1524  # define DP_VOLTAGE_SWING_LEVEL_3_SUPPORTED		    BIT(0)
1525  # define DP_PRE_EMPHASIS_LEVEL_3_SUPPORTED		    BIT(1)
1526  
1527  #define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1  0xf0022 /* 2.0 */
1528  #define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER(dp_phy)	\
1529  	DP_LTTPR_REG(dp_phy, DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1)
1530  /* see DP_128B132B_TRAINING_AUX_RD_INTERVAL for values */
1531  
1532  #define DP_LANE0_1_STATUS_PHY_REPEATER1			    0xf0030 /* 1.3 */
1533  #define DP_LANE0_1_STATUS_PHY_REPEATER(dp_phy) \
1534  	DP_LTTPR_REG(dp_phy, DP_LANE0_1_STATUS_PHY_REPEATER1)
1535  
1536  #define DP_LANE2_3_STATUS_PHY_REPEATER1			    0xf0031 /* 1.3 */
1537  
1538  #define DP_LANE_ALIGN_STATUS_UPDATED_PHY_REPEATER1	    0xf0032 /* 1.3 */
1539  #define DP_ADJUST_REQUEST_LANE0_1_PHY_REPEATER1		    0xf0033 /* 1.3 */
1540  #define DP_ADJUST_REQUEST_LANE2_3_PHY_REPEATER1		    0xf0034 /* 1.3 */
1541  #define DP_SYMBOL_ERROR_COUNT_LANE0_PHY_REPEATER1	    0xf0035 /* 1.3 */
1542  #define DP_SYMBOL_ERROR_COUNT_LANE1_PHY_REPEATER1	    0xf0037 /* 1.3 */
1543  #define DP_SYMBOL_ERROR_COUNT_LANE2_PHY_REPEATER1	    0xf0039 /* 1.3 */
1544  #define DP_SYMBOL_ERROR_COUNT_LANE3_PHY_REPEATER1	    0xf003b /* 1.3 */
1545  
1546  #define DP_OUI_PHY_REPEATER1				    0xf003d /* 1.3 */
1547  #define DP_OUI_PHY_REPEATER(dp_phy) \
1548  	DP_LTTPR_REG(dp_phy, DP_OUI_PHY_REPEATER1)
1549  
1550  #define __DP_FEC1_BASE					    0xf0290 /* 1.4 */
1551  #define __DP_FEC2_BASE					    0xf0298 /* 1.4 */
1552  #define DP_FEC_BASE(dp_phy) \
1553  	(__DP_FEC1_BASE + ((__DP_FEC2_BASE - __DP_FEC1_BASE) * \
1554  			   ((dp_phy) - DP_PHY_LTTPR1)))
1555  
1556  #define DP_FEC_REG(dp_phy, fec1_reg) \
1557  	(DP_FEC_BASE(dp_phy) - DP_FEC_BASE(DP_PHY_LTTPR1) + fec1_reg)
1558  
1559  #define DP_FEC_STATUS_PHY_REPEATER1			    0xf0290 /* 1.4 */
1560  #define DP_FEC_STATUS_PHY_REPEATER(dp_phy) \
1561  	DP_FEC_REG(dp_phy, DP_FEC_STATUS_PHY_REPEATER1)
1562  
1563  #define DP_FEC_ERROR_COUNT_PHY_REPEATER1                    0xf0291 /* 1.4 */
1564  #define DP_FEC_CAPABILITY_PHY_REPEATER1                     0xf0294 /* 1.4a */
1565  
1566  #define DP_LTTPR_MAX_ADD				    0xf02ff /* 1.4 */
1567  
1568  #define DP_DPCD_MAX_ADD					    0xfffff /* 1.4 */
1569  
1570  /* Repeater modes */
1571  #define DP_PHY_REPEATER_MODE_TRANSPARENT		    0x55    /* 1.3 */
1572  #define DP_PHY_REPEATER_MODE_NON_TRANSPARENT		    0xaa    /* 1.3 */
1573  
1574  /* DP HDCP message start offsets in DPCD address space */
1575  #define DP_HDCP_2_2_AKE_INIT_OFFSET		DP_HDCP_2_2_REG_RTX_OFFSET
1576  #define DP_HDCP_2_2_AKE_SEND_CERT_OFFSET	DP_HDCP_2_2_REG_CERT_RX_OFFSET
1577  #define DP_HDCP_2_2_AKE_NO_STORED_KM_OFFSET	DP_HDCP_2_2_REG_EKPUB_KM_OFFSET
1578  #define DP_HDCP_2_2_AKE_STORED_KM_OFFSET	DP_HDCP_2_2_REG_EKH_KM_WR_OFFSET
1579  #define DP_HDCP_2_2_AKE_SEND_HPRIME_OFFSET	DP_HDCP_2_2_REG_HPRIME_OFFSET
1580  #define DP_HDCP_2_2_AKE_SEND_PAIRING_INFO_OFFSET \
1581  						DP_HDCP_2_2_REG_EKH_KM_RD_OFFSET
1582  #define DP_HDCP_2_2_LC_INIT_OFFSET		DP_HDCP_2_2_REG_RN_OFFSET
1583  #define DP_HDCP_2_2_LC_SEND_LPRIME_OFFSET	DP_HDCP_2_2_REG_LPRIME_OFFSET
1584  #define DP_HDCP_2_2_SKE_SEND_EKS_OFFSET		DP_HDCP_2_2_REG_EDKEY_KS_OFFSET
1585  #define DP_HDCP_2_2_REP_SEND_RECVID_LIST_OFFSET	DP_HDCP_2_2_REG_RXINFO_OFFSET
1586  #define DP_HDCP_2_2_REP_SEND_ACK_OFFSET		DP_HDCP_2_2_REG_V_OFFSET
1587  #define DP_HDCP_2_2_REP_STREAM_MANAGE_OFFSET	DP_HDCP_2_2_REG_SEQ_NUM_M_OFFSET
1588  #define DP_HDCP_2_2_REP_STREAM_READY_OFFSET	DP_HDCP_2_2_REG_MPRIME_OFFSET
1589  
1590  #define HDCP_2_2_DP_RXSTATUS_LEN		1
1591  #define HDCP_2_2_DP_RXSTATUS_READY(x)		((x) & BIT(0))
1592  #define HDCP_2_2_DP_RXSTATUS_H_PRIME(x)		((x) & BIT(1))
1593  #define HDCP_2_2_DP_RXSTATUS_PAIRING(x)		((x) & BIT(2))
1594  #define HDCP_2_2_DP_RXSTATUS_REAUTH_REQ(x)	((x) & BIT(3))
1595  #define HDCP_2_2_DP_RXSTATUS_LINK_FAILED(x)	((x) & BIT(4))
1596  
1597  /* DP 1.2 Sideband message defines */
1598  /* peer device type - DP 1.2a Table 2-92 */
1599  #define DP_PEER_DEVICE_NONE		0x0
1600  #define DP_PEER_DEVICE_SOURCE_OR_SST	0x1
1601  #define DP_PEER_DEVICE_MST_BRANCHING	0x2
1602  #define DP_PEER_DEVICE_SST_SINK		0x3
1603  #define DP_PEER_DEVICE_DP_LEGACY_CONV	0x4
1604  
1605  /* DP 1.2 MST sideband request names DP 1.2a Table 2-80 */
1606  #define DP_GET_MSG_TRANSACTION_VERSION	0x00 /* DP 1.3 */
1607  #define DP_LINK_ADDRESS			0x01
1608  #define DP_CONNECTION_STATUS_NOTIFY	0x02
1609  #define DP_ENUM_PATH_RESOURCES		0x10
1610  #define DP_ALLOCATE_PAYLOAD		0x11
1611  #define DP_QUERY_PAYLOAD		0x12
1612  #define DP_RESOURCE_STATUS_NOTIFY	0x13
1613  #define DP_CLEAR_PAYLOAD_ID_TABLE	0x14
1614  #define DP_REMOTE_DPCD_READ		0x20
1615  #define DP_REMOTE_DPCD_WRITE		0x21
1616  #define DP_REMOTE_I2C_READ		0x22
1617  #define DP_REMOTE_I2C_WRITE		0x23
1618  #define DP_POWER_UP_PHY			0x24
1619  #define DP_POWER_DOWN_PHY		0x25
1620  #define DP_SINK_EVENT_NOTIFY		0x30
1621  #define DP_QUERY_STREAM_ENC_STATUS	0x38
1622  #define  DP_QUERY_STREAM_ENC_STATUS_STATE_NO_EXIST	0
1623  #define  DP_QUERY_STREAM_ENC_STATUS_STATE_INACTIVE	1
1624  #define  DP_QUERY_STREAM_ENC_STATUS_STATE_ACTIVE	2
1625  
1626  /* DP 1.2 MST sideband reply types */
1627  #define DP_SIDEBAND_REPLY_ACK		0x00
1628  #define DP_SIDEBAND_REPLY_NAK		0x01
1629  
1630  /* DP 1.2 MST sideband nak reasons - table 2.84 */
1631  #define DP_NAK_WRITE_FAILURE		0x01
1632  #define DP_NAK_INVALID_READ		0x02
1633  #define DP_NAK_CRC_FAILURE		0x03
1634  #define DP_NAK_BAD_PARAM		0x04
1635  #define DP_NAK_DEFER			0x05
1636  #define DP_NAK_LINK_FAILURE		0x06
1637  #define DP_NAK_NO_RESOURCES		0x07
1638  #define DP_NAK_DPCD_FAIL		0x08
1639  #define DP_NAK_I2C_NAK			0x09
1640  #define DP_NAK_ALLOCATE_FAIL		0x0a
1641  
1642  #define MODE_I2C_START	1
1643  #define MODE_I2C_WRITE	2
1644  #define MODE_I2C_READ	4
1645  #define MODE_I2C_STOP	8
1646  
1647  /* DP 1.2 MST PORTs - Section 2.5.1 v1.2a spec */
1648  #define DP_MST_PHYSICAL_PORT_0 0
1649  #define DP_MST_LOGICAL_PORT_0 8
1650  
1651  #define DP_LINK_CONSTANT_N_VALUE 0x8000
1652  #define DP_LINK_STATUS_SIZE	   6
1653  
1654  #define DP_BRANCH_OUI_HEADER_SIZE	0xc
1655  #define DP_RECEIVER_CAP_SIZE		0xf
1656  #define DP_DSC_RECEIVER_CAP_SIZE        0x10 /* DSC Capabilities 0x60 through 0x6F */
1657  #define EDP_PSR_RECEIVER_CAP_SIZE	2
1658  #define EDP_DISPLAY_CTL_CAP_SIZE	3
1659  #define DP_LTTPR_COMMON_CAP_SIZE	8
1660  #define DP_LTTPR_PHY_CAP_SIZE		3
1661  
1662  #define DP_SDP_AUDIO_TIMESTAMP		0x01
1663  #define DP_SDP_AUDIO_STREAM		0x02
1664  #define DP_SDP_EXTENSION		0x04 /* DP 1.1 */
1665  #define DP_SDP_AUDIO_COPYMANAGEMENT	0x05 /* DP 1.2 */
1666  #define DP_SDP_ISRC			0x06 /* DP 1.2 */
1667  #define DP_SDP_VSC			0x07 /* DP 1.2 */
1668  #define DP_SDP_ADAPTIVE_SYNC		0x22 /* DP 1.4 */
1669  #define DP_SDP_CAMERA_GENERIC(i)	(0x08 + (i)) /* 0-7, DP 1.3 */
1670  #define DP_SDP_PPS			0x10 /* DP 1.4 */
1671  #define DP_SDP_VSC_EXT_VESA		0x20 /* DP 1.4 */
1672  #define DP_SDP_VSC_EXT_CEA		0x21 /* DP 1.4 */
1673  
1674  /* 0x80+ CEA-861 infoframe types */
1675  
1676  #define DP_SDP_AUDIO_INFOFRAME_HB2	0x1b
1677  
1678  /**
1679   * struct dp_sdp_header - DP secondary data packet header
1680   * @HB0: Secondary Data Packet ID
1681   * @HB1: Secondary Data Packet Type
1682   * @HB2: Secondary Data Packet Specific header, Byte 0
1683   * @HB3: Secondary Data packet Specific header, Byte 1
1684   */
1685  struct dp_sdp_header {
1686  	u8 HB0;
1687  	u8 HB1;
1688  	u8 HB2;
1689  	u8 HB3;
1690  } __packed;
1691  
1692  #define EDP_SDP_HEADER_REVISION_MASK		0x1F
1693  #define EDP_SDP_HEADER_VALID_PAYLOAD_BYTES	0x1F
1694  #define DP_SDP_PPS_HEADER_PAYLOAD_BYTES_MINUS_1 0x7F
1695  
1696  /**
1697   * struct dp_sdp - DP secondary data packet
1698   * @sdp_header: DP secondary data packet header
1699   * @db: DP secondaray data packet data blocks
1700   * VSC SDP Payload for PSR
1701   * db[0]: Stereo Interface
1702   * db[1]: 0 - PSR State; 1 - Update RFB; 2 - CRC Valid
1703   * db[2]: CRC value bits 7:0 of the R or Cr component
1704   * db[3]: CRC value bits 15:8 of the R or Cr component
1705   * db[4]: CRC value bits 7:0 of the G or Y component
1706   * db[5]: CRC value bits 15:8 of the G or Y component
1707   * db[6]: CRC value bits 7:0 of the B or Cb component
1708   * db[7]: CRC value bits 15:8 of the B or Cb component
1709   * db[8] - db[31]: Reserved
1710   * VSC SDP Payload for Pixel Encoding/Colorimetry Format
1711   * db[0] - db[15]: Reserved
1712   * db[16]: Pixel Encoding and Colorimetry Formats
1713   * db[17]: Dynamic Range and Component Bit Depth
1714   * db[18]: Content Type
1715   * db[19] - db[31]: Reserved
1716   */
1717  struct dp_sdp {
1718  	struct dp_sdp_header sdp_header;
1719  	u8 db[32];
1720  } __packed;
1721  
1722  #define EDP_VSC_PSR_STATE_ACTIVE	(1<<0)
1723  #define EDP_VSC_PSR_UPDATE_RFB		(1<<1)
1724  #define EDP_VSC_PSR_CRC_VALUES_VALID	(1<<2)
1725  
1726  /**
1727   * enum dp_pixelformat - drm DP Pixel encoding formats
1728   *
1729   * This enum is used to indicate DP VSC SDP Pixel encoding formats.
1730   * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1731   * DB18]
1732   *
1733   * @DP_PIXELFORMAT_RGB: RGB pixel encoding format
1734   * @DP_PIXELFORMAT_YUV444: YCbCr 4:4:4 pixel encoding format
1735   * @DP_PIXELFORMAT_YUV422: YCbCr 4:2:2 pixel encoding format
1736   * @DP_PIXELFORMAT_YUV420: YCbCr 4:2:0 pixel encoding format
1737   * @DP_PIXELFORMAT_Y_ONLY: Y Only pixel encoding format
1738   * @DP_PIXELFORMAT_RAW: RAW pixel encoding format
1739   * @DP_PIXELFORMAT_RESERVED: Reserved pixel encoding format
1740   */
1741  enum dp_pixelformat {
1742  	DP_PIXELFORMAT_RGB = 0,
1743  	DP_PIXELFORMAT_YUV444 = 0x1,
1744  	DP_PIXELFORMAT_YUV422 = 0x2,
1745  	DP_PIXELFORMAT_YUV420 = 0x3,
1746  	DP_PIXELFORMAT_Y_ONLY = 0x4,
1747  	DP_PIXELFORMAT_RAW = 0x5,
1748  	DP_PIXELFORMAT_RESERVED = 0x6,
1749  };
1750  
1751  /**
1752   * enum dp_colorimetry - drm DP Colorimetry formats
1753   *
1754   * This enum is used to indicate DP VSC SDP Colorimetry formats.
1755   * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1756   * DB18] and a name of enum member follows enum drm_colorimetry definition.
1757   *
1758   * @DP_COLORIMETRY_DEFAULT: sRGB (IEC 61966-2-1) or
1759   *                          ITU-R BT.601 colorimetry format
1760   * @DP_COLORIMETRY_RGB_WIDE_FIXED: RGB wide gamut fixed point colorimetry format
1761   * @DP_COLORIMETRY_BT709_YCC: ITU-R BT.709 colorimetry format
1762   * @DP_COLORIMETRY_RGB_WIDE_FLOAT: RGB wide gamut floating point
1763   *                                 (scRGB (IEC 61966-2-2)) colorimetry format
1764   * @DP_COLORIMETRY_XVYCC_601: xvYCC601 colorimetry format
1765   * @DP_COLORIMETRY_OPRGB: OpRGB colorimetry format
1766   * @DP_COLORIMETRY_XVYCC_709: xvYCC709 colorimetry format
1767   * @DP_COLORIMETRY_DCI_P3_RGB: DCI-P3 (SMPTE RP 431-2) colorimetry format
1768   * @DP_COLORIMETRY_SYCC_601: sYCC601 colorimetry format
1769   * @DP_COLORIMETRY_RGB_CUSTOM: RGB Custom Color Profile colorimetry format
1770   * @DP_COLORIMETRY_OPYCC_601: opYCC601 colorimetry format
1771   * @DP_COLORIMETRY_BT2020_RGB: ITU-R BT.2020 R' G' B' colorimetry format
1772   * @DP_COLORIMETRY_BT2020_CYCC: ITU-R BT.2020 Y'c C'bc C'rc colorimetry format
1773   * @DP_COLORIMETRY_BT2020_YCC: ITU-R BT.2020 Y' C'b C'r colorimetry format
1774   */
1775  enum dp_colorimetry {
1776  	DP_COLORIMETRY_DEFAULT = 0,
1777  	DP_COLORIMETRY_RGB_WIDE_FIXED = 0x1,
1778  	DP_COLORIMETRY_BT709_YCC = 0x1,
1779  	DP_COLORIMETRY_RGB_WIDE_FLOAT = 0x2,
1780  	DP_COLORIMETRY_XVYCC_601 = 0x2,
1781  	DP_COLORIMETRY_OPRGB = 0x3,
1782  	DP_COLORIMETRY_XVYCC_709 = 0x3,
1783  	DP_COLORIMETRY_DCI_P3_RGB = 0x4,
1784  	DP_COLORIMETRY_SYCC_601 = 0x4,
1785  	DP_COLORIMETRY_RGB_CUSTOM = 0x5,
1786  	DP_COLORIMETRY_OPYCC_601 = 0x5,
1787  	DP_COLORIMETRY_BT2020_RGB = 0x6,
1788  	DP_COLORIMETRY_BT2020_CYCC = 0x6,
1789  	DP_COLORIMETRY_BT2020_YCC = 0x7,
1790  };
1791  
1792  /**
1793   * enum dp_dynamic_range - drm DP Dynamic Range
1794   *
1795   * This enum is used to indicate DP VSC SDP Dynamic Range.
1796   * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1797   * DB18]
1798   *
1799   * @DP_DYNAMIC_RANGE_VESA: VESA range
1800   * @DP_DYNAMIC_RANGE_CTA: CTA range
1801   */
1802  enum dp_dynamic_range {
1803  	DP_DYNAMIC_RANGE_VESA = 0,
1804  	DP_DYNAMIC_RANGE_CTA = 1,
1805  };
1806  
1807  /**
1808   * enum dp_content_type - drm DP Content Type
1809   *
1810   * This enum is used to indicate DP VSC SDP Content Types.
1811   * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1812   * DB18]
1813   * CTA-861-G defines content types and expected processing by a sink device
1814   *
1815   * @DP_CONTENT_TYPE_NOT_DEFINED: Not defined type
1816   * @DP_CONTENT_TYPE_GRAPHICS: Graphics type
1817   * @DP_CONTENT_TYPE_PHOTO: Photo type
1818   * @DP_CONTENT_TYPE_VIDEO: Video type
1819   * @DP_CONTENT_TYPE_GAME: Game type
1820   */
1821  enum dp_content_type {
1822  	DP_CONTENT_TYPE_NOT_DEFINED = 0x00,
1823  	DP_CONTENT_TYPE_GRAPHICS = 0x01,
1824  	DP_CONTENT_TYPE_PHOTO = 0x02,
1825  	DP_CONTENT_TYPE_VIDEO = 0x03,
1826  	DP_CONTENT_TYPE_GAME = 0x04,
1827  };
1828  
1829  enum operation_mode {
1830  	DP_AS_SDP_AVT_DYNAMIC_VTOTAL = 0x00,
1831  	DP_AS_SDP_AVT_FIXED_VTOTAL = 0x01,
1832  	DP_AS_SDP_FAVT_TRR_NOT_REACHED = 0x02,
1833  	DP_AS_SDP_FAVT_TRR_REACHED = 0x03
1834  };
1835  
1836  #endif /* _DRM_DP_H_ */
1837