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 #include "inc/link_dpcd.h"
33 #include "dpcd_defs.h"
34
35 #define DC_LOGGER \
36 enc1->base.ctx->logger
37
38 #define REG(reg)\
39 (enc1->regs->reg)
40
41 #undef FN
42 #define FN(reg_name, field_name) \
43 enc1->se_shift->field_name, enc1->se_mask->field_name
44
45
46 #define CTX \
47 enc1->base.ctx
48
49
enc2_update_hdmi_info_packet(struct dcn10_stream_encoder * enc1,uint32_t packet_index,const struct dc_info_packet * info_packet)50 static void enc2_update_hdmi_info_packet(
51 struct dcn10_stream_encoder *enc1,
52 uint32_t packet_index,
53 const struct dc_info_packet *info_packet)
54 {
55 uint32_t cont, send, line;
56
57 if (info_packet->valid) {
58 enc1_update_generic_info_packet(
59 enc1,
60 packet_index,
61 info_packet);
62
63 /* enable transmission of packet(s) -
64 * packet transmission begins on the next frame */
65 cont = 1;
66 /* send packet(s) every frame */
67 send = 1;
68 /* select line number to send packets on */
69 line = 2;
70 } else {
71 cont = 0;
72 send = 0;
73 line = 0;
74 }
75
76 /* DP_SEC_GSP[x]_LINE_REFERENCE - keep default value REFER_TO_DP_SOF */
77
78 /* choose which generic packet control to use */
79 switch (packet_index) {
80 case 0:
81 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
82 HDMI_GENERIC0_CONT, cont,
83 HDMI_GENERIC0_SEND, send);
84 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL1,
85 HDMI_GENERIC0_LINE, line);
86 break;
87 case 1:
88 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
89 HDMI_GENERIC1_CONT, cont,
90 HDMI_GENERIC1_SEND, send);
91 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL1,
92 HDMI_GENERIC1_LINE, line);
93 break;
94 case 2:
95 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
96 HDMI_GENERIC2_CONT, cont,
97 HDMI_GENERIC2_SEND, send);
98 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL2,
99 HDMI_GENERIC2_LINE, line);
100 break;
101 case 3:
102 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
103 HDMI_GENERIC3_CONT, cont,
104 HDMI_GENERIC3_SEND, send);
105 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL2,
106 HDMI_GENERIC3_LINE, line);
107 break;
108 case 4:
109 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
110 HDMI_GENERIC4_CONT, cont,
111 HDMI_GENERIC4_SEND, send);
112 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL3,
113 HDMI_GENERIC4_LINE, line);
114 break;
115 case 5:
116 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
117 HDMI_GENERIC5_CONT, cont,
118 HDMI_GENERIC5_SEND, send);
119 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL3,
120 HDMI_GENERIC5_LINE, line);
121 break;
122 case 6:
123 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
124 HDMI_GENERIC6_CONT, cont,
125 HDMI_GENERIC6_SEND, send);
126 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL4,
127 HDMI_GENERIC6_LINE, line);
128 break;
129 case 7:
130 REG_UPDATE_2(HDMI_GENERIC_PACKET_CONTROL0,
131 HDMI_GENERIC7_CONT, cont,
132 HDMI_GENERIC7_SEND, send);
133 REG_UPDATE(HDMI_GENERIC_PACKET_CONTROL4,
134 HDMI_GENERIC7_LINE, line);
135 break;
136 default:
137 /* invalid HW packet index */
138 DC_LOG_WARNING(
139 "Invalid HW packet index: %s()\n",
140 __func__);
141 return;
142 }
143 }
144
enc2_stream_encoder_update_hdmi_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)145 static void enc2_stream_encoder_update_hdmi_info_packets(
146 struct stream_encoder *enc,
147 const struct encoder_info_frame *info_frame)
148 {
149 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
150
151 /* for bring up, disable dp double TODO */
152 REG_UPDATE(HDMI_DB_CONTROL, HDMI_DB_DISABLE, 1);
153
154 /*Always add mandatory packets first followed by optional ones*/
155 enc2_update_hdmi_info_packet(enc1, 0, &info_frame->avi);
156 enc2_update_hdmi_info_packet(enc1, 1, &info_frame->hfvsif);
157 enc2_update_hdmi_info_packet(enc1, 2, &info_frame->gamut);
158 enc2_update_hdmi_info_packet(enc1, 3, &info_frame->vendor);
159 enc2_update_hdmi_info_packet(enc1, 4, &info_frame->spd);
160 enc2_update_hdmi_info_packet(enc1, 5, &info_frame->hdrsmd);
161 enc2_update_hdmi_info_packet(enc1, 6, &info_frame->vtem);
162 }
163
enc2_stream_encoder_stop_hdmi_info_packets(struct stream_encoder * enc)164 static void enc2_stream_encoder_stop_hdmi_info_packets(
165 struct stream_encoder *enc)
166 {
167 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
168
169 /* stop generic packets 0,1 on HDMI */
170 REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0,
171 HDMI_GENERIC0_CONT, 0,
172 HDMI_GENERIC0_SEND, 0,
173 HDMI_GENERIC1_CONT, 0,
174 HDMI_GENERIC1_SEND, 0);
175 REG_SET_2(HDMI_GENERIC_PACKET_CONTROL1, 0,
176 HDMI_GENERIC0_LINE, 0,
177 HDMI_GENERIC1_LINE, 0);
178
179 /* stop generic packets 2,3 on HDMI */
180 REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0,
181 HDMI_GENERIC2_CONT, 0,
182 HDMI_GENERIC2_SEND, 0,
183 HDMI_GENERIC3_CONT, 0,
184 HDMI_GENERIC3_SEND, 0);
185 REG_SET_2(HDMI_GENERIC_PACKET_CONTROL2, 0,
186 HDMI_GENERIC2_LINE, 0,
187 HDMI_GENERIC3_LINE, 0);
188
189 /* stop generic packets 4,5 on HDMI */
190 REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0,
191 HDMI_GENERIC4_CONT, 0,
192 HDMI_GENERIC4_SEND, 0,
193 HDMI_GENERIC5_CONT, 0,
194 HDMI_GENERIC5_SEND, 0);
195 REG_SET_2(HDMI_GENERIC_PACKET_CONTROL3, 0,
196 HDMI_GENERIC4_LINE, 0,
197 HDMI_GENERIC5_LINE, 0);
198
199 /* stop generic packets 6,7 on HDMI */
200 REG_SET_4(HDMI_GENERIC_PACKET_CONTROL0, 0,
201 HDMI_GENERIC6_CONT, 0,
202 HDMI_GENERIC6_SEND, 0,
203 HDMI_GENERIC7_CONT, 0,
204 HDMI_GENERIC7_SEND, 0);
205 REG_SET_2(HDMI_GENERIC_PACKET_CONTROL4, 0,
206 HDMI_GENERIC6_LINE, 0,
207 HDMI_GENERIC7_LINE, 0);
208 }
209
210
211 /* 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,bool immediate_update)212 static void enc2_update_gsp7_128_info_packet(
213 struct dcn10_stream_encoder *enc1,
214 const struct dc_info_packet_128 *info_packet,
215 bool immediate_update)
216 {
217 uint32_t i;
218
219 /* TODOFPGA Figure out a proper number for max_retries polling for lock
220 * use 50 for now.
221 */
222 uint32_t max_retries = 50;
223 const uint32_t *content = (const uint32_t *) &info_packet->sb[0];
224
225 ASSERT(info_packet->hb1 == DC_DP_INFOFRAME_TYPE_PPS);
226
227 /* Configure for PPS packet size (128 bytes) */
228 REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP7_PPS, 1);
229
230 /* We need turn on clock before programming AFMT block*/
231 REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
232
233 /* Poll dig_update_lock is not locked -> asic internal signal
234 * assumes otg master lock will unlock it
235 */
236 /*REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_LOCK_STATUS, 0, 10, max_retries);*/
237
238 /* Wait for HW/SW GSP memory access conflict to go away */
239 REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT,
240 0, 10, max_retries);
241
242 /* Clear HW/SW memory access conflict flag */
243 REG_UPDATE(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT_CLR, 1);
244
245 /* write generic packet header */
246 REG_UPDATE(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_INDEX, 7);
247 REG_SET_4(AFMT_GENERIC_HDR, 0,
248 AFMT_GENERIC_HB0, info_packet->hb0,
249 AFMT_GENERIC_HB1, info_packet->hb1,
250 AFMT_GENERIC_HB2, info_packet->hb2,
251 AFMT_GENERIC_HB3, info_packet->hb3);
252
253 /* Write generic packet content 128 bytes long. Four sets are used (indexes 7
254 * through 10) to fit 128 bytes.
255 */
256 for (i = 0; i < 4; i++) {
257 uint32_t packet_index = 7 + i;
258 REG_UPDATE(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_INDEX, packet_index);
259
260 REG_WRITE(AFMT_GENERIC_0, *content++);
261 REG_WRITE(AFMT_GENERIC_1, *content++);
262 REG_WRITE(AFMT_GENERIC_2, *content++);
263 REG_WRITE(AFMT_GENERIC_3, *content++);
264 REG_WRITE(AFMT_GENERIC_4, *content++);
265 REG_WRITE(AFMT_GENERIC_5, *content++);
266 REG_WRITE(AFMT_GENERIC_6, *content++);
267 REG_WRITE(AFMT_GENERIC_7, *content++);
268 }
269
270 REG_UPDATE_2(AFMT_VBI_PACKET_CONTROL1,
271 AFMT_GENERIC7_FRAME_UPDATE, !immediate_update,
272 AFMT_GENERIC7_IMMEDIATE_UPDATE, immediate_update);
273 }
274
275 /* Set DSC-related configuration.
276 * dsc_mode: 0 disables DSC, other values enable DSC in specified format
277 * sc_bytes_per_pixel: Bytes per pixel in u3.28 format
278 * dsc_slice_width: Slice width in pixels
279 */
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)280 static void enc2_dp_set_dsc_config(struct stream_encoder *enc,
281 enum optc_dsc_mode dsc_mode,
282 uint32_t dsc_bytes_per_pixel,
283 uint32_t dsc_slice_width)
284 {
285 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
286
287 REG_UPDATE_2(DP_DSC_CNTL,
288 DP_DSC_MODE, dsc_mode,
289 DP_DSC_SLICE_WIDTH, dsc_slice_width);
290
291 REG_SET(DP_DSC_BYTES_PER_PIXEL, 0,
292 DP_DSC_BYTES_PER_PIXEL, dsc_bytes_per_pixel);
293 }
294
295
enc2_dp_set_dsc_pps_info_packet(struct stream_encoder * enc,bool enable,uint8_t * dsc_packed_pps,bool immediate_update)296 static void enc2_dp_set_dsc_pps_info_packet(struct stream_encoder *enc,
297 bool enable,
298 uint8_t *dsc_packed_pps,
299 bool immediate_update)
300 {
301 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
302
303 if (enable) {
304 struct dc_info_packet_128 pps_sdp;
305
306 ASSERT(dsc_packed_pps);
307
308 /* Load PPS into infoframe (SDP) registers */
309 pps_sdp.valid = true;
310 pps_sdp.hb0 = 0;
311 pps_sdp.hb1 = DC_DP_INFOFRAME_TYPE_PPS;
312 pps_sdp.hb2 = 127;
313 pps_sdp.hb3 = 0;
314 memcpy(&pps_sdp.sb[0], dsc_packed_pps, sizeof(pps_sdp.sb));
315 enc2_update_gsp7_128_info_packet(enc1, &pps_sdp, immediate_update);
316
317 /* Enable Generic Stream Packet 7 (GSP) transmission */
318 //REG_UPDATE(DP_SEC_CNTL,
319 // DP_SEC_GSP7_ENABLE, 1);
320
321 /* SW should make sure VBID[6] update line number is bigger
322 * than PPS transmit line number
323 */
324 REG_UPDATE(DP_SEC_CNTL6,
325 DP_SEC_GSP7_LINE_NUM, 2);
326 REG_UPDATE_2(DP_MSA_VBID_MISC,
327 DP_VBID6_LINE_REFERENCE, 0,
328 DP_VBID6_LINE_NUM, 3);
329
330 /* Send PPS data at the line number specified above.
331 * DP spec requires PPS to be sent only when it changes, however since
332 * decoder has to be able to handle its change on every frame, we're
333 * sending it always (i.e. on every frame) to reduce the chance it'd be
334 * missed by decoder. If it turns out required to send PPS only when it
335 * changes, we can use DP_SEC_GSP7_SEND register.
336 */
337 REG_UPDATE_2(DP_SEC_CNTL,
338 DP_SEC_GSP7_ENABLE, 1,
339 DP_SEC_STREAM_ENABLE, 1);
340 } else {
341 /* Disable Generic Stream Packet 7 (GSP) transmission */
342 REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP7_ENABLE, 0);
343 REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP7_PPS, 0);
344 }
345 }
346
347
348 /* this function read dsc related register fields to be logged later in dcn10_log_hw_state
349 * into a dcn_dsc_state struct.
350 */
enc2_read_state(struct stream_encoder * enc,struct enc_state * s)351 static void enc2_read_state(struct stream_encoder *enc, struct enc_state *s)
352 {
353 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
354
355 //if dsc is enabled, continue to read
356 REG_GET(DP_DSC_CNTL, DP_DSC_MODE, &s->dsc_mode);
357 if (s->dsc_mode) {
358 REG_GET(DP_DSC_CNTL, DP_DSC_SLICE_WIDTH, &s->dsc_slice_width);
359 REG_GET(DP_SEC_CNTL6, DP_SEC_GSP7_LINE_NUM, &s->sec_gsp_pps_line_num);
360
361 REG_GET(DP_MSA_VBID_MISC, DP_VBID6_LINE_REFERENCE, &s->vbid6_line_reference);
362 REG_GET(DP_MSA_VBID_MISC, DP_VBID6_LINE_NUM, &s->vbid6_line_num);
363
364 REG_GET(DP_SEC_CNTL, DP_SEC_GSP7_ENABLE, &s->sec_gsp_pps_enable);
365 REG_GET(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, &s->sec_stream_enable);
366 }
367 }
368
369 /* Set Dynamic Metadata-configuration.
370 * enable_dme: TRUE: enables Dynamic Metadata Enfine, FALSE: disables DME
371 * hubp_requestor_id: HUBP physical instance that is the source of dynamic metadata
372 * only needs to be set when enable_dme is TRUE
373 * dmdata_mode: dynamic metadata packet type: DP, HDMI, or Dolby Vision
374 *
375 * Ensure the OTG master update lock is set when changing DME configuration.
376 */
enc2_set_dynamic_metadata(struct stream_encoder * enc,bool enable_dme,uint32_t hubp_requestor_id,enum dynamic_metadata_mode dmdata_mode)377 void enc2_set_dynamic_metadata(struct stream_encoder *enc,
378 bool enable_dme,
379 uint32_t hubp_requestor_id,
380 enum dynamic_metadata_mode dmdata_mode)
381 {
382 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
383
384 if (enable_dme) {
385 REG_UPDATE_2(DME_CONTROL,
386 METADATA_HUBP_REQUESTOR_ID, hubp_requestor_id,
387 METADATA_STREAM_TYPE, (dmdata_mode == dmdata_dolby_vision) ? 1 : 0);
388
389 /* Use default line reference DP_SOF for bringup.
390 * Should use OTG_SOF for DRR cases
391 */
392 if (dmdata_mode == dmdata_dp)
393 REG_UPDATE_3(DP_SEC_METADATA_TRANSMISSION,
394 DP_SEC_METADATA_PACKET_ENABLE, 1,
395 DP_SEC_METADATA_PACKET_LINE_REFERENCE, 0,
396 DP_SEC_METADATA_PACKET_LINE, 20);
397 else {
398 REG_UPDATE_3(HDMI_METADATA_PACKET_CONTROL,
399 HDMI_METADATA_PACKET_ENABLE, 1,
400 HDMI_METADATA_PACKET_LINE_REFERENCE, 0,
401 HDMI_METADATA_PACKET_LINE, 2);
402
403 if (dmdata_mode == dmdata_dolby_vision)
404 REG_UPDATE(DIG_FE_CNTL,
405 DOLBY_VISION_EN, 1);
406 }
407
408 REG_UPDATE(DME_CONTROL,
409 METADATA_ENGINE_EN, 1);
410 } else {
411 REG_UPDATE(DME_CONTROL,
412 METADATA_ENGINE_EN, 0);
413
414 if (dmdata_mode == dmdata_dp)
415 REG_UPDATE(DP_SEC_METADATA_TRANSMISSION,
416 DP_SEC_METADATA_PACKET_ENABLE, 0);
417 else {
418 REG_UPDATE(HDMI_METADATA_PACKET_CONTROL,
419 HDMI_METADATA_PACKET_ENABLE, 0);
420 REG_UPDATE(DIG_FE_CNTL,
421 DOLBY_VISION_EN, 0);
422 }
423 }
424 }
425
enc2_stream_encoder_update_dp_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)426 static void enc2_stream_encoder_update_dp_info_packets(
427 struct stream_encoder *enc,
428 const struct encoder_info_frame *info_frame)
429 {
430 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
431 uint32_t dmdata_packet_enabled = 0;
432
433 enc1_stream_encoder_update_dp_info_packets(enc, info_frame);
434
435 /* check if dynamic metadata packet transmission is enabled */
436 REG_GET(DP_SEC_METADATA_TRANSMISSION,
437 DP_SEC_METADATA_PACKET_ENABLE, &dmdata_packet_enabled);
438
439 if (dmdata_packet_enabled)
440 REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
441 }
442
is_two_pixels_per_containter(const struct dc_crtc_timing * timing)443 static bool is_two_pixels_per_containter(const struct dc_crtc_timing *timing)
444 {
445 bool two_pix = timing->pixel_encoding == PIXEL_ENCODING_YCBCR420;
446
447 two_pix = two_pix || (timing->flags.DSC && timing->pixel_encoding == PIXEL_ENCODING_YCBCR422
448 && !timing->dsc_cfg.ycbcr422_simple);
449 return two_pix;
450 }
451
enc2_stream_encoder_dp_unblank(struct dc_link * link,struct stream_encoder * enc,const struct encoder_unblank_param * param)452 void enc2_stream_encoder_dp_unblank(
453 struct dc_link *link,
454 struct stream_encoder *enc,
455 const struct encoder_unblank_param *param)
456 {
457 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
458
459 if (param->link_settings.link_rate != LINK_RATE_UNKNOWN) {
460 uint32_t n_vid = 0x8000;
461 uint32_t m_vid;
462 uint32_t n_multiply = 0;
463 uint64_t m_vid_l = n_vid;
464
465 /* YCbCr 4:2:0 : Computed VID_M will be 2X the input rate */
466 if (is_two_pixels_per_containter(¶m->timing) || param->opp_cnt > 1) {
467 /*this logic should be the same in get_pixel_clock_parameters() */
468 n_multiply = 1;
469 }
470 /* M / N = Fstream / Flink
471 * m_vid / n_vid = pixel rate / link rate
472 */
473
474 m_vid_l *= param->timing.pix_clk_100hz / 10;
475 m_vid_l = div_u64(m_vid_l,
476 param->link_settings.link_rate
477 * LINK_RATE_REF_FREQ_IN_KHZ);
478
479 m_vid = (uint32_t) m_vid_l;
480
481 /* enable auto measurement */
482
483 REG_UPDATE(DP_VID_TIMING, DP_VID_M_N_GEN_EN, 0);
484
485 /* auto measurement need 1 full 0x8000 symbol cycle to kick in,
486 * therefore program initial value for Mvid and Nvid
487 */
488
489 REG_UPDATE(DP_VID_N, DP_VID_N, n_vid);
490
491 REG_UPDATE(DP_VID_M, DP_VID_M, m_vid);
492
493 REG_UPDATE_2(DP_VID_TIMING,
494 DP_VID_M_N_GEN_EN, 1,
495 DP_VID_N_MUL, n_multiply);
496 }
497
498 /* make sure stream is disabled before resetting steer fifo */
499 REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, false);
500 REG_WAIT(DP_VID_STREAM_CNTL, DP_VID_STREAM_STATUS, 0, 10, 5000);
501
502 /* set DIG_START to 0x1 to reset FIFO */
503 REG_UPDATE(DIG_FE_CNTL, DIG_START, 1);
504 udelay(1);
505
506 /* write 0 to take the FIFO out of reset */
507
508 REG_UPDATE(DIG_FE_CNTL, DIG_START, 0);
509
510 /* switch DP encoder to CRTC data, but reset it the fifo first. It may happen
511 * that it overflows during mode transition, and sometimes doesn't recover.
512 */
513 REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 1);
514 udelay(10);
515
516 REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 0);
517
518 /* wait 100us for DIG/DP logic to prime
519 * (i.e. a few video lines)
520 */
521 udelay(100);
522
523 /* the hardware would start sending video at the start of the next DP
524 * frame (i.e. rising edge of the vblank).
525 * NOTE: We used to program DP_VID_STREAM_DIS_DEFER = 2 here, but this
526 * register has no effect on enable transition! HW always guarantees
527 * VID_STREAM enable at start of next frame, and this is not
528 * programmable
529 */
530
531 REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true);
532
533 dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM);
534 }
535
enc2_dp_set_odm_combine(struct stream_encoder * enc,bool odm_combine)536 static void enc2_dp_set_odm_combine(
537 struct stream_encoder *enc,
538 bool odm_combine)
539 {
540 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
541
542 REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_COMBINE, odm_combine);
543 }
544
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)545 void enc2_stream_encoder_dp_set_stream_attribute(
546 struct stream_encoder *enc,
547 struct dc_crtc_timing *crtc_timing,
548 enum dc_color_space output_color_space,
549 bool use_vsc_sdp_for_colorimetry,
550 uint32_t enable_sdp_splitting)
551 {
552 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
553
554 enc1_stream_encoder_dp_set_stream_attribute(enc,
555 crtc_timing,
556 output_color_space,
557 use_vsc_sdp_for_colorimetry,
558 enable_sdp_splitting);
559
560 REG_UPDATE(DP_SEC_FRAMING4,
561 DP_SST_SDP_SPLITTING, enable_sdp_splitting);
562 }
563
enc2_get_fifo_cal_average_level(struct stream_encoder * enc)564 uint32_t enc2_get_fifo_cal_average_level(
565 struct stream_encoder *enc)
566 {
567 struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
568 uint32_t fifo_level;
569
570 REG_GET(DIG_FIFO_STATUS,
571 DIG_FIFO_CAL_AVERAGE_LEVEL, &fifo_level);
572 return fifo_level;
573 }
574
575 static const struct stream_encoder_funcs dcn20_str_enc_funcs = {
576 .dp_set_odm_combine =
577 enc2_dp_set_odm_combine,
578 .dp_set_stream_attribute =
579 enc2_stream_encoder_dp_set_stream_attribute,
580 .hdmi_set_stream_attribute =
581 enc1_stream_encoder_hdmi_set_stream_attribute,
582 .dvi_set_stream_attribute =
583 enc1_stream_encoder_dvi_set_stream_attribute,
584 .set_throttled_vcp_size =
585 enc1_stream_encoder_set_throttled_vcp_size,
586 .update_hdmi_info_packets =
587 enc2_stream_encoder_update_hdmi_info_packets,
588 .stop_hdmi_info_packets =
589 enc2_stream_encoder_stop_hdmi_info_packets,
590 .update_dp_info_packets =
591 enc2_stream_encoder_update_dp_info_packets,
592 .send_immediate_sdp_message =
593 enc1_stream_encoder_send_immediate_sdp_message,
594 .stop_dp_info_packets =
595 enc1_stream_encoder_stop_dp_info_packets,
596 .dp_blank =
597 enc1_stream_encoder_dp_blank,
598 .dp_unblank =
599 enc2_stream_encoder_dp_unblank,
600 .audio_mute_control = enc1_se_audio_mute_control,
601
602 .dp_audio_setup = enc1_se_dp_audio_setup,
603 .dp_audio_enable = enc1_se_dp_audio_enable,
604 .dp_audio_disable = enc1_se_dp_audio_disable,
605
606 .hdmi_audio_setup = enc1_se_hdmi_audio_setup,
607 .hdmi_audio_disable = enc1_se_hdmi_audio_disable,
608 .setup_stereo_sync = enc1_setup_stereo_sync,
609 .set_avmute = enc1_stream_encoder_set_avmute,
610 .dig_connect_to_otg = enc1_dig_connect_to_otg,
611 .dig_source_otg = enc1_dig_source_otg,
612
613 .dp_get_pixel_format =
614 enc1_stream_encoder_dp_get_pixel_format,
615
616 .enc_read_state = enc2_read_state,
617 .dp_set_dsc_config = enc2_dp_set_dsc_config,
618 .dp_set_dsc_pps_info_packet = enc2_dp_set_dsc_pps_info_packet,
619 .set_dynamic_metadata = enc2_set_dynamic_metadata,
620 .hdmi_reset_stream_attribute = enc1_reset_hdmi_stream_attribute,
621 .get_fifo_cal_average_level = enc2_get_fifo_cal_average_level,
622 };
623
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)624 void dcn20_stream_encoder_construct(
625 struct dcn10_stream_encoder *enc1,
626 struct dc_context *ctx,
627 struct dc_bios *bp,
628 enum engine_id eng_id,
629 const struct dcn10_stream_enc_registers *regs,
630 const struct dcn10_stream_encoder_shift *se_shift,
631 const struct dcn10_stream_encoder_mask *se_mask)
632 {
633 enc1->base.funcs = &dcn20_str_enc_funcs;
634 enc1->base.ctx = ctx;
635 enc1->base.id = eng_id;
636 enc1->base.bp = bp;
637 enc1->regs = regs;
638 enc1->se_shift = se_shift;
639 enc1->se_mask = se_mask;
640 enc1->base.stream_enc_inst = eng_id - ENGINE_ID_DIGA;
641 }
642
643