1 /*
2 * Copyright 2012-15 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: AMD
23 *
24 */
25
26 #include <linux/delay.h>
27
28 #include "dc_bios_types.h"
29 #include "dcn20_stream_encoder.h"
30 #include "reg_helper.h"
31 #include "hw_shared.h"
32
33 #define DC_LOGGER \
34 enc1->base.ctx->logger
35
36
37 #define REG(reg)\
38 (enc1->regs->reg)
39
40 #undef FN
41 #define FN(reg_name, field_name) \
42 enc1->se_shift->field_name, enc1->se_mask->field_name
43
44
45 #define CTX \
46 enc1->base.ctx
47
48
enc2_update_hdmi_info_packet(struct dcn10_stream_encoder * enc1,uint32_t packet_index,const struct dc_info_packet * info_packet)49 static void enc2_update_hdmi_info_packet(
50 struct dcn10_stream_encoder *enc1,
51 uint32_t packet_index,
52 const struct dc_info_packet *info_packet)
53 {
54 uint32_t cont, send, line;
55
56 if (info_packet->valid) {
57 enc1_update_generic_info_packet(
58 enc1,
59 packet_index,
60 info_packet);
61
62 /* enable transmission of packet(s) -
63 * packet transmission begins on the next frame */
64 cont = 1;
65 /* send packet(s) every frame */
66 send = 1;
67 /* select line number to send packets on */
68 line = 2;
69 } else {
70 cont = 0;
71 send = 0;
72 line = 0;
73 }
74
75 /* DP_SEC_GSP[x]_LINE_REFERENCE - keep default value REFER_TO_DP_SOF */
76
77 /* choose which generic packet control to use */
78 switch (packet_index) {
79 case 0:
80 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
81 HDMI_GENERIC0_CONT, cont,
82 HDMI_GENERIC0_SEND, send);
83 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL1,
84 HDMI_GENERIC0_LINE, line);
85 break;
86 case 1:
87 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
88 HDMI_GENERIC1_CONT, cont,
89 HDMI_GENERIC1_SEND, send);
90 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL1,
91 HDMI_GENERIC1_LINE, line);
92 break;
93 case 2:
94 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
95 HDMI_GENERIC2_CONT, cont,
96 HDMI_GENERIC2_SEND, send);
97 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL2,
98 HDMI_GENERIC2_LINE, line);
99 break;
100 case 3:
101 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
102 HDMI_GENERIC3_CONT, cont,
103 HDMI_GENERIC3_SEND, send);
104 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL2,
105 HDMI_GENERIC3_LINE, line);
106 break;
107 case 4:
108 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
109 HDMI_GENERIC4_CONT, cont,
110 HDMI_GENERIC4_SEND, send);
111 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL3,
112 HDMI_GENERIC4_LINE, line);
113 break;
114 case 5:
115 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
116 HDMI_GENERIC5_CONT, cont,
117 HDMI_GENERIC5_SEND, send);
118 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL3,
119 HDMI_GENERIC5_LINE, line);
120 break;
121 case 6:
122 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
123 HDMI_GENERIC6_CONT, cont,
124 HDMI_GENERIC6_SEND, send);
125 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL4,
126 HDMI_GENERIC6_LINE, line);
127 break;
128 case 7:
129 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
130 HDMI_GENERIC7_CONT, cont,
131 HDMI_GENERIC7_SEND, send);
132 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL4,
133 HDMI_GENERIC7_LINE, line);
134 break;
135 default:
136 /* invalid HW packet index */
137 DC_LOG_WARNING(
138 "Invalid HW packet index: %s()\n",
139 __func__);
140 return;
141 }
142 }
143
enc2_stream_encoder_update_hdmi_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)144 static void enc2_stream_encoder_update_hdmi_info_packets(
145 struct stream_encoder *enc,
146 const struct encoder_info_frame *info_frame)
147 {
148 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
149
150 /* for bring up, disable dp double TODO */
151 REG_UPDATE(HDMI_DB_CONTROL, HDMI_DB_DISABLE, 1);
152
153 /*Always add mandatory packets first followed by optional ones*/
154 enc2_update_hdmi_info_packet(enc1, 0, &info_frame->avi);
155 enc2_update_hdmi_info_packet(enc1, 1, &info_frame->hfvsif);
156 enc2_update_hdmi_info_packet(enc1, 2, &info_frame->gamut);
157 enc2_update_hdmi_info_packet(enc1, 3, &info_frame->vendor);
158 enc2_update_hdmi_info_packet(enc1, 4, &info_frame->spd);
159 enc2_update_hdmi_info_packet(enc1, 5, &info_frame->hdrsmd);
160 }
161
enc2_stream_encoder_stop_hdmi_info_packets(struct stream_encoder * enc)162 static void enc2_stream_encoder_stop_hdmi_info_packets(
163 struct stream_encoder *enc)
164 {
165 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
166
167 /* stop generic packets 0,1 on HDMI */
168 REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0,
169 HDMI_GENERIC0_CONT, 0,
170 HDMI_GENERIC0_SEND, 0,
171 HDMI_GENERIC1_CONT, 0,
172 HDMI_GENERIC1_SEND, 0);
173 REG_SET_2(HDMI_GENERIC_PACKET_CONTROL1, 0,
174 HDMI_GENERIC0_LINE, 0,
175 HDMI_GENERIC1_LINE, 0);
176
177 /* stop generic packets 2,3 on HDMI */
178 REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0,
179 HDMI_GENERIC2_CONT, 0,
180 HDMI_GENERIC2_SEND, 0,
181 HDMI_GENERIC3_CONT, 0,
182 HDMI_GENERIC3_SEND, 0);
183 REG_SET_2(HDMI_GENERIC_PACKET_CONTROL2, 0,
184 HDMI_GENERIC2_LINE, 0,
185 HDMI_GENERIC3_LINE, 0);
186
187 /* stop generic packets 4,5 on HDMI */
188 REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0,
189 HDMI_GENERIC4_CONT, 0,
190 HDMI_GENERIC4_SEND, 0,
191 HDMI_GENERIC5_CONT, 0,
192 HDMI_GENERIC5_SEND, 0);
193 REG_SET_2(HDMI_GENERIC_PACKET_CONTROL3, 0,
194 HDMI_GENERIC4_LINE, 0,
195 HDMI_GENERIC5_LINE, 0);
196
197 /* stop generic packets 6,7 on HDMI */
198 REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0,
199 HDMI_GENERIC6_CONT, 0,
200 HDMI_GENERIC6_SEND, 0,
201 HDMI_GENERIC7_CONT, 0,
202 HDMI_GENERIC7_SEND, 0);
203 REG_SET_2(HDMI_GENERIC_PACKET_CONTROL4, 0,
204 HDMI_GENERIC6_LINE, 0,
205 HDMI_GENERIC7_LINE, 0);
206 }
207
208
209 /* Update GSP7 SDP 128 byte long */
enc2_update_gsp7_128_info_packet(struct dcn10_stream_encoder * enc1,const struct dc_info_packet_128 * info_packet)210 static void enc2_update_gsp7_128_info_packet(
211 struct dcn10_stream_encoder *enc1,
212 const struct dc_info_packet_128 *info_packet)
213 {
214 uint32_t i;
215
216 /* TODOFPGA Figure out a proper number for max_retries polling for lock
217 * use 50 for now.
218 */
219 uint32_t max_retries = 50;
220 const uint32_t *content = (const uint32_t *) &info_packet->sb[0];
221
222 ASSERT(info_packet->hb1 == DC_DP_INFOFRAME_TYPE_PPS);
223
224 /* Configure for PPS packet size (128 bytes) */
225 REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP7_PPS, 1);
226
227 /* We need turn on clock before programming AFMT block*/
228 REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
229
230 /* Poll dig_update_lock is not locked -> asic internal signal
231 * assumes otg master lock will unlock it
232 */
233 /*REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_LOCK_STATUS, 0, 10, max_retries);*/
234
235 /* Wait for HW/SW GSP memory access conflict to go away */
236 REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT,
237 0, 10, max_retries);
238
239 /* Clear HW/SW memory access conflict flag */
240 REG_UPDATE(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT_CLR, 1);
241
242 /* write generic packet header */
243 REG_UPDATE(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_INDEX, 7);
244 REG_SET_4(AFMT_GENERIC_HDR, 0,
245 AFMT_GENERIC_HB0, info_packet->hb0,
246 AFMT_GENERIC_HB1, info_packet->hb1,
247 AFMT_GENERIC_HB2, info_packet->hb2,
248 AFMT_GENERIC_HB3, info_packet->hb3);
249
250 /* Write generic packet content 128 bytes long. Four sets are used (indexes 7
251 * through 10) to fit 128 bytes.
252 */
253 for (i = 0; i < 4; i++) {
254 uint32_t packet_index = 7 + i;
255 REG_UPDATE(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_INDEX, packet_index);
256
257 REG_WRITE(AFMT_GENERIC_0, *content++);
258 REG_WRITE(AFMT_GENERIC_1, *content++);
259 REG_WRITE(AFMT_GENERIC_2, *content++);
260 REG_WRITE(AFMT_GENERIC_3, *content++);
261 REG_WRITE(AFMT_GENERIC_4, *content++);
262 REG_WRITE(AFMT_GENERIC_5, *content++);
263 REG_WRITE(AFMT_GENERIC_6, *content++);
264 REG_WRITE(AFMT_GENERIC_7, *content++);
265 }
266
267 REG_UPDATE(AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC7_FRAME_UPDATE, 1);
268 }
269
270 /* Set DSC-related configuration.
271 * dsc_mode: 0 disables DSC, other values enable DSC in specified format
272 * sc_bytes_per_pixel: Bytes per pixel in u3.28 format
273 * dsc_slice_width: Slice width in pixels
274 */
enc2_dp_set_dsc_config(struct stream_encoder * enc,enum optc_dsc_mode dsc_mode,uint32_t dsc_bytes_per_pixel,uint32_t dsc_slice_width)275 static void enc2_dp_set_dsc_config(struct stream_encoder *enc,
276 enum optc_dsc_mode dsc_mode,
277 uint32_t dsc_bytes_per_pixel,
278 uint32_t dsc_slice_width)
279 {
280 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
281
282 REG_UPDATE_2(DP_DSC_CNTL,
283 DP_DSC_MODE, dsc_mode,
284 DP_DSC_SLICE_WIDTH, dsc_slice_width);
285
286 REG_SET(DP_DSC_BYTES_PER_PIXEL, 0,
287 DP_DSC_BYTES_PER_PIXEL, dsc_bytes_per_pixel);
288 }
289
290
enc2_dp_set_dsc_pps_info_packet(struct stream_encoder * enc,bool enable,uint8_t * dsc_packed_pps)291 static void enc2_dp_set_dsc_pps_info_packet(struct stream_encoder *enc,
292 bool enable,
293 uint8_t *dsc_packed_pps)
294 {
295 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
296
297 if (enable) {
298 struct dc_info_packet_128 pps_sdp;
299
300 ASSERT(dsc_packed_pps);
301
302 /* Load PPS into infoframe (SDP) registers */
303 pps_sdp.valid = true;
304 pps_sdp.hb0 = 0;
305 pps_sdp.hb1 = DC_DP_INFOFRAME_TYPE_PPS;
306 pps_sdp.hb2 = 127;
307 pps_sdp.hb3 = 0;
308 memcpy(&pps_sdp.sb[0], dsc_packed_pps, sizeof(pps_sdp.sb));
309 enc2_update_gsp7_128_info_packet(enc1, &pps_sdp);
310
311 /* Enable Generic Stream Packet 7 (GSP) transmission */
312 //REG_UPDATE(DP_SEC_CNTL,
313 // DP_SEC_GSP7_ENABLE, 1);
314
315 /* SW should make sure VBID[6] update line number is bigger
316 * than PPS transmit line number
317 */
318 REG_UPDATE(DP_SEC_CNTL6,
319 DP_SEC_GSP7_LINE_NUM, 2);
320 REG_UPDATE_2(DP_MSA_VBID_MISC,
321 DP_VBID6_LINE_REFERENCE, 0,
322 DP_VBID6_LINE_NUM, 3);
323
324 /* Send PPS data at the line number specified above.
325 * DP spec requires PPS to be sent only when it changes, however since
326 * decoder has to be able to handle its change on every frame, we're
327 * sending it always (i.e. on every frame) to reduce the chance it'd be
328 * missed by decoder. If it turns out required to send PPS only when it
329 * changes, we can use DP_SEC_GSP7_SEND register.
330 */
331 REG_UPDATE_2(DP_SEC_CNTL,
332 DP_SEC_GSP7_ENABLE, 1,
333 DP_SEC_STREAM_ENABLE, 1);
334 } else {
335 /* Disable Generic Stream Packet 7 (GSP) transmission */
336 REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP7_ENABLE, 0);
337 REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP7_PPS, 0);
338 }
339 }
340
341
342 /* this function read dsc related register fields to be logged later in dcn10_log_hw_state
343 * into a dcn_dsc_state struct.
344 */
enc2_read_state(struct stream_encoder * enc,struct enc_state * s)345 static void enc2_read_state(struct stream_encoder *enc, struct enc_state *s)
346 {
347 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
348
349 //if dsc is enabled, continue to read
350 REG_GET(DP_DSC_CNTL, DP_DSC_MODE, &s->dsc_mode);
351 if (s->dsc_mode) {
352 REG_GET(DP_DSC_CNTL, DP_DSC_SLICE_WIDTH, &s->dsc_slice_width);
353 REG_GET(DP_SEC_CNTL6, DP_SEC_GSP7_LINE_NUM, &s->sec_gsp_pps_line_num);
354
355 REG_GET(DP_MSA_VBID_MISC, DP_VBID6_LINE_REFERENCE, &s->vbid6_line_reference);
356 REG_GET(DP_MSA_VBID_MISC, DP_VBID6_LINE_NUM, &s->vbid6_line_num);
357
358 REG_GET(DP_SEC_CNTL, DP_SEC_GSP7_ENABLE, &s->sec_gsp_pps_enable);
359 REG_GET(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, &s->sec_stream_enable);
360 }
361 }
362
363 /* Set Dynamic Metadata-configuration.
364 * enable_dme: TRUE: enables Dynamic Metadata Enfine, FALSE: disables DME
365 * hubp_requestor_id: HUBP physical instance that is the source of dynamic metadata
366 * only needs to be set when enable_dme is TRUE
367 * dmdata_mode: dynamic metadata packet type: DP, HDMI, or Dolby Vision
368 *
369 * Ensure the OTG master update lock is set when changing DME configuration.
370 */
enc2_set_dynamic_metadata(struct stream_encoder * enc,bool enable_dme,uint32_t hubp_requestor_id,enum dynamic_metadata_mode dmdata_mode)371 void enc2_set_dynamic_metadata(struct stream_encoder *enc,
372 bool enable_dme,
373 uint32_t hubp_requestor_id,
374 enum dynamic_metadata_mode dmdata_mode)
375 {
376 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
377
378 if (enable_dme) {
379 REG_UPDATE_2(DME_CONTROL,
380 METADATA_HUBP_REQUESTOR_ID, hubp_requestor_id,
381 METADATA_STREAM_TYPE, (dmdata_mode == dmdata_dolby_vision) ? 1 : 0);
382
383 /* Use default line reference DP_SOF for bringup.
384 * Should use OTG_SOF for DRR cases
385 */
386 if (dmdata_mode == dmdata_dp)
387 REG_UPDATE_3(DP_SEC_METADATA_TRANSMISSION,
388 DP_SEC_METADATA_PACKET_ENABLE, 1,
389 DP_SEC_METADATA_PACKET_LINE_REFERENCE, 0,
390 DP_SEC_METADATA_PACKET_LINE, 20);
391 else {
392 REG_UPDATE_3(HDMI_METADATA_PACKET_CONTROL,
393 HDMI_METADATA_PACKET_ENABLE, 1,
394 HDMI_METADATA_PACKET_LINE_REFERENCE, 0,
395 HDMI_METADATA_PACKET_LINE, 2);
396
397 if (dmdata_mode == dmdata_dolby_vision)
398 REG_UPDATE(DIG_FE_CNTL,
399 DOLBY_VISION_EN, 1);
400 }
401
402 REG_UPDATE(DME_CONTROL,
403 METADATA_ENGINE_EN, 1);
404 } else {
405 REG_UPDATE(DME_CONTROL,
406 METADATA_ENGINE_EN, 0);
407
408 if (dmdata_mode == dmdata_dp)
409 REG_UPDATE(DP_SEC_METADATA_TRANSMISSION,
410 DP_SEC_METADATA_PACKET_ENABLE, 0);
411 else {
412 REG_UPDATE(HDMI_METADATA_PACKET_CONTROL,
413 HDMI_METADATA_PACKET_ENABLE, 0);
414 REG_UPDATE(DIG_FE_CNTL,
415 DOLBY_VISION_EN, 0);
416 }
417 }
418 }
419
enc2_stream_encoder_update_dp_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)420 static void enc2_stream_encoder_update_dp_info_packets(
421 struct stream_encoder *enc,
422 const struct encoder_info_frame *info_frame)
423 {
424 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
425 uint32_t dmdata_packet_enabled = 0;
426
427 enc1_stream_encoder_update_dp_info_packets(enc, info_frame);
428
429 /* check if dynamic metadata packet transmission is enabled */
430 REG_GET(DP_SEC_METADATA_TRANSMISSION,
431 DP_SEC_METADATA_PACKET_ENABLE, &dmdata_packet_enabled);
432
433 if (dmdata_packet_enabled)
434 REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
435 }
436
is_two_pixels_per_containter(const struct dc_crtc_timing * timing)437 static bool is_two_pixels_per_containter(const struct dc_crtc_timing *timing)
438 {
439 bool two_pix = timing->pixel_encoding == PIXEL_ENCODING_YCBCR420;
440
441 two_pix = two_pix || (timing->flags.DSC && timing->pixel_encoding == PIXEL_ENCODING_YCBCR422
442 && !timing->dsc_cfg.ycbcr422_simple);
443 return two_pix;
444 }
445
enc2_stream_encoder_dp_unblank(struct stream_encoder * enc,const struct encoder_unblank_param * param)446 void enc2_stream_encoder_dp_unblank(
447 struct stream_encoder *enc,
448 const struct encoder_unblank_param *param)
449 {
450 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
451
452 if (param->link_settings.link_rate != LINK_RATE_UNKNOWN) {
453 uint32_t n_vid = 0x8000;
454 uint32_t m_vid;
455 uint32_t n_multiply = 0;
456 uint64_t m_vid_l = n_vid;
457
458 /* YCbCr 4:2:0 : Computed VID_M will be 2X the input rate */
459 if (is_two_pixels_per_containter(¶m->timing) || param->opp_cnt > 1) {
460 /*this logic should be the same in get_pixel_clock_parameters() */
461 n_multiply = 1;
462 }
463 /* M / N = Fstream / Flink
464 * m_vid / n_vid = pixel rate / link rate
465 */
466
467 m_vid_l *= param->timing.pix_clk_100hz / 10;
468 m_vid_l = div_u64(m_vid_l,
469 param->link_settings.link_rate
470 * LINK_RATE_REF_FREQ_IN_KHZ);
471
472 m_vid = (uint32_t) m_vid_l;
473
474 /* enable auto measurement */
475
476 REG_UPDATE(DP_VID_TIMING, DP_VID_M_N_GEN_EN, 0);
477
478 /* auto measurement need 1 full 0x8000 symbol cycle to kick in,
479 * therefore program initial value for Mvid and Nvid
480 */
481
482 REG_UPDATE(DP_VID_N, DP_VID_N, n_vid);
483
484 REG_UPDATE(DP_VID_M, DP_VID_M, m_vid);
485
486 REG_UPDATE_2(DP_VID_TIMING,
487 DP_VID_M_N_GEN_EN, 1,
488 DP_VID_N_MUL, n_multiply);
489 }
490
491 /* make sure stream is disabled before resetting steer fifo */
492 REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, false);
493 REG_WAIT(DP_VID_STREAM_CNTL, DP_VID_STREAM_STATUS, 0, 10, 5000);
494
495 /* set DIG_START to 0x1 to reset FIFO */
496 REG_UPDATE(DIG_FE_CNTL, DIG_START, 1);
497 udelay(1);
498
499 /* write 0 to take the FIFO out of reset */
500
501 REG_UPDATE(DIG_FE_CNTL, DIG_START, 0);
502
503 /* switch DP encoder to CRTC data, but reset it the fifo first. It may happen
504 * that it overflows during mode transition, and sometimes doesn't recover.
505 */
506 REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 1);
507 udelay(10);
508
509 REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 0);
510
511 /* wait 100us for DIG/DP logic to prime
512 * (i.e. a few video lines)
513 */
514 udelay(100);
515
516 /* the hardware would start sending video at the start of the next DP
517 * frame (i.e. rising edge of the vblank).
518 * NOTE: We used to program DP_VID_STREAM_DIS_DEFER = 2 here, but this
519 * register has no effect on enable transition! HW always guarantees
520 * VID_STREAM enable at start of next frame, and this is not
521 * programmable
522 */
523
524 REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true);
525 }
526
enc2_dp_set_odm_combine(struct stream_encoder * enc,bool odm_combine)527 static void enc2_dp_set_odm_combine(
528 struct stream_encoder *enc,
529 bool odm_combine)
530 {
531 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
532
533 REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_COMBINE, odm_combine);
534 }
535
enc2_stream_encoder_dp_set_stream_attribute(struct stream_encoder * enc,struct dc_crtc_timing * crtc_timing,enum dc_color_space output_color_space,bool use_vsc_sdp_for_colorimetry,uint32_t enable_sdp_splitting)536 void enc2_stream_encoder_dp_set_stream_attribute(
537 struct stream_encoder *enc,
538 struct dc_crtc_timing *crtc_timing,
539 enum dc_color_space output_color_space,
540 bool use_vsc_sdp_for_colorimetry,
541 uint32_t enable_sdp_splitting)
542 {
543 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
544
545 enc1_stream_encoder_dp_set_stream_attribute(enc,
546 crtc_timing,
547 output_color_space,
548 use_vsc_sdp_for_colorimetry,
549 enable_sdp_splitting);
550
551 REG_UPDATE(DP_SEC_FRAMING4,
552 DP_SST_SDP_SPLITTING, enable_sdp_splitting);
553 }
554
555 static const struct stream_encoder_funcs dcn20_str_enc_funcs = {
556 .dp_set_odm_combine =
557 enc2_dp_set_odm_combine,
558 .dp_set_stream_attribute =
559 enc2_stream_encoder_dp_set_stream_attribute,
560 .hdmi_set_stream_attribute =
561 enc1_stream_encoder_hdmi_set_stream_attribute,
562 .dvi_set_stream_attribute =
563 enc1_stream_encoder_dvi_set_stream_attribute,
564 .set_throttled_vcp_size =
565 enc1_stream_encoder_set_throttled_vcp_size,
566 .update_hdmi_info_packets =
567 enc2_stream_encoder_update_hdmi_info_packets,
568 .stop_hdmi_info_packets =
569 enc2_stream_encoder_stop_hdmi_info_packets,
570 .update_dp_info_packets =
571 enc2_stream_encoder_update_dp_info_packets,
572 .send_immediate_sdp_message =
573 enc1_stream_encoder_send_immediate_sdp_message,
574 .stop_dp_info_packets =
575 enc1_stream_encoder_stop_dp_info_packets,
576 .dp_blank =
577 enc1_stream_encoder_dp_blank,
578 .dp_unblank =
579 enc2_stream_encoder_dp_unblank,
580 .audio_mute_control = enc1_se_audio_mute_control,
581
582 .dp_audio_setup = enc1_se_dp_audio_setup,
583 .dp_audio_enable = enc1_se_dp_audio_enable,
584 .dp_audio_disable = enc1_se_dp_audio_disable,
585
586 .hdmi_audio_setup = enc1_se_hdmi_audio_setup,
587 .hdmi_audio_disable = enc1_se_hdmi_audio_disable,
588 .setup_stereo_sync = enc1_setup_stereo_sync,
589 .set_avmute = enc1_stream_encoder_set_avmute,
590 .dig_connect_to_otg = enc1_dig_connect_to_otg,
591 .dig_source_otg = enc1_dig_source_otg,
592
593 .dp_get_pixel_format =
594 enc1_stream_encoder_dp_get_pixel_format,
595
596 .enc_read_state = enc2_read_state,
597 .dp_set_dsc_config = enc2_dp_set_dsc_config,
598 .dp_set_dsc_pps_info_packet = enc2_dp_set_dsc_pps_info_packet,
599 .set_dynamic_metadata = enc2_set_dynamic_metadata,
600 .hdmi_reset_stream_attribute = enc1_reset_hdmi_stream_attribute,
601 };
602
dcn20_stream_encoder_construct(struct dcn10_stream_encoder * enc1,struct dc_context * ctx,struct dc_bios * bp,enum engine_id eng_id,const struct dcn10_stream_enc_registers * regs,const struct dcn10_stream_encoder_shift * se_shift,const struct dcn10_stream_encoder_mask * se_mask)603 void dcn20_stream_encoder_construct(
604 struct dcn10_stream_encoder *enc1,
605 struct dc_context *ctx,
606 struct dc_bios *bp,
607 enum engine_id eng_id,
608 const struct dcn10_stream_enc_registers *regs,
609 const struct dcn10_stream_encoder_shift *se_shift,
610 const struct dcn10_stream_encoder_mask *se_mask)
611 {
612 enc1->base.funcs = &dcn20_str_enc_funcs;
613 enc1->base.ctx = ctx;
614 enc1->base.id = eng_id;
615 enc1->base.bp = bp;
616 enc1->regs = regs;
617 enc1->se_shift = se_shift;
618 enc1->se_mask = se_mask;
619 enc1->base.stream_enc_inst = eng_id - ENGINE_ID_DIGA;
620 }
621
622