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 "reg_helper.h"
27
28 #include "core_types.h"
29 #include "link_encoder.h"
30 #include "dce_link_encoder.h"
31 #include "stream_encoder.h"
32 #include "i2caux_interface.h"
33 #include "dc_bios_types.h"
34
35 #include "gpio_service_interface.h"
36
37 #include "dce/dce_11_0_d.h"
38 #include "dce/dce_11_0_sh_mask.h"
39 #include "dce/dce_11_0_enum.h"
40
41 #ifndef DMU_MEM_PWR_CNTL__DMCU_IRAM_MEM_PWR_STATE__SHIFT
42 #define DMU_MEM_PWR_CNTL__DMCU_IRAM_MEM_PWR_STATE__SHIFT 0xa
43 #endif
44
45 #ifndef DMU_MEM_PWR_CNTL__DMCU_IRAM_MEM_PWR_STATE_MASK
46 #define DMU_MEM_PWR_CNTL__DMCU_IRAM_MEM_PWR_STATE_MASK 0x00000400L
47 #endif
48
49 #ifndef HPD0_DC_HPD_CONTROL__DC_HPD_EN_MASK
50 #define HPD0_DC_HPD_CONTROL__DC_HPD_EN_MASK 0x10000000L
51 #endif
52
53 #ifndef HPD0_DC_HPD_CONTROL__DC_HPD_EN__SHIFT
54 #define HPD0_DC_HPD_CONTROL__DC_HPD_EN__SHIFT 0x1c
55 #endif
56
57 #define CTX \
58 enc110->base.ctx
59 #define DC_LOGGER \
60 enc110->base.ctx->logger
61
62 #define REG(reg)\
63 (enc110->link_regs->reg)
64
65 #define AUX_REG(reg)\
66 (enc110->aux_regs->reg)
67
68 #define HPD_REG(reg)\
69 (enc110->hpd_regs->reg)
70
71 #define DEFAULT_AUX_MAX_DATA_SIZE 16
72 #define AUX_MAX_DEFER_WRITE_RETRY 20
73 /*
74 * @brief
75 * Trigger Source Select
76 * ASIC-dependent, actual values for register programming
77 */
78 #define DCE110_DIG_FE_SOURCE_SELECT_INVALID 0x0
79 #define DCE110_DIG_FE_SOURCE_SELECT_DIGA 0x1
80 #define DCE110_DIG_FE_SOURCE_SELECT_DIGB 0x2
81 #define DCE110_DIG_FE_SOURCE_SELECT_DIGC 0x4
82 #define DCE110_DIG_FE_SOURCE_SELECT_DIGD 0x08
83 #define DCE110_DIG_FE_SOURCE_SELECT_DIGE 0x10
84 #define DCE110_DIG_FE_SOURCE_SELECT_DIGF 0x20
85 #define DCE110_DIG_FE_SOURCE_SELECT_DIGG 0x40
86
87 enum {
88 DP_MST_UPDATE_MAX_RETRY = 50
89 };
90
91 #define DIG_REG(reg)\
92 (reg + enc110->offsets.dig)
93
94 #define DP_REG(reg)\
95 (reg + enc110->offsets.dp)
96
97 static const struct link_encoder_funcs dce110_lnk_enc_funcs = {
98 .validate_output_with_stream =
99 dce110_link_encoder_validate_output_with_stream,
100 .hw_init = dce110_link_encoder_hw_init,
101 .setup = dce110_link_encoder_setup,
102 .enable_tmds_output = dce110_link_encoder_enable_tmds_output,
103 .enable_dp_output = dce110_link_encoder_enable_dp_output,
104 .enable_dp_mst_output = dce110_link_encoder_enable_dp_mst_output,
105 .enable_lvds_output = dce110_link_encoder_enable_lvds_output,
106 .disable_output = dce110_link_encoder_disable_output,
107 .dp_set_lane_settings = dce110_link_encoder_dp_set_lane_settings,
108 .dp_set_phy_pattern = dce110_link_encoder_dp_set_phy_pattern,
109 .update_mst_stream_allocation_table =
110 dce110_link_encoder_update_mst_stream_allocation_table,
111 .psr_program_dp_dphy_fast_training =
112 dce110_psr_program_dp_dphy_fast_training,
113 .psr_program_secondary_packet = dce110_psr_program_secondary_packet,
114 .connect_dig_be_to_fe = dce110_link_encoder_connect_dig_be_to_fe,
115 .enable_hpd = dce110_link_encoder_enable_hpd,
116 .disable_hpd = dce110_link_encoder_disable_hpd,
117 .is_dig_enabled = dce110_is_dig_enabled,
118 .destroy = dce110_link_encoder_destroy,
119 .get_max_link_cap = dce110_link_encoder_get_max_link_cap,
120 .get_dig_frontend = dce110_get_dig_frontend,
121 };
122
link_transmitter_control(struct dce110_link_encoder * enc110,struct bp_transmitter_control * cntl)123 static enum bp_result link_transmitter_control(
124 struct dce110_link_encoder *enc110,
125 struct bp_transmitter_control *cntl)
126 {
127 enum bp_result result;
128 struct dc_bios *bp = enc110->base.ctx->dc_bios;
129
130 result = bp->funcs->transmitter_control(bp, cntl);
131
132 return result;
133 }
134
enable_phy_bypass_mode(struct dce110_link_encoder * enc110,bool enable)135 static void enable_phy_bypass_mode(
136 struct dce110_link_encoder *enc110,
137 bool enable)
138 {
139 /* This register resides in DP back end block;
140 * transmitter is used for the offset */
141
142 REG_UPDATE(DP_DPHY_CNTL, DPHY_BYPASS, enable);
143
144 }
145
disable_prbs_symbols(struct dce110_link_encoder * enc110,bool disable)146 static void disable_prbs_symbols(
147 struct dce110_link_encoder *enc110,
148 bool disable)
149 {
150 /* This register resides in DP back end block;
151 * transmitter is used for the offset */
152
153 REG_UPDATE_4(DP_DPHY_CNTL,
154 DPHY_ATEST_SEL_LANE0, disable,
155 DPHY_ATEST_SEL_LANE1, disable,
156 DPHY_ATEST_SEL_LANE2, disable,
157 DPHY_ATEST_SEL_LANE3, disable);
158 }
159
disable_prbs_mode(struct dce110_link_encoder * enc110)160 static void disable_prbs_mode(
161 struct dce110_link_encoder *enc110)
162 {
163 REG_UPDATE(DP_DPHY_PRBS_CNTL, DPHY_PRBS_EN, 0);
164 }
165
program_pattern_symbols(struct dce110_link_encoder * enc110,uint16_t pattern_symbols[8])166 static void program_pattern_symbols(
167 struct dce110_link_encoder *enc110,
168 uint16_t pattern_symbols[8])
169 {
170 /* This register resides in DP back end block;
171 * transmitter is used for the offset */
172
173 REG_SET_3(DP_DPHY_SYM0, 0,
174 DPHY_SYM1, pattern_symbols[0],
175 DPHY_SYM2, pattern_symbols[1],
176 DPHY_SYM3, pattern_symbols[2]);
177
178 /* This register resides in DP back end block;
179 * transmitter is used for the offset */
180
181 REG_SET_3(DP_DPHY_SYM1, 0,
182 DPHY_SYM4, pattern_symbols[3],
183 DPHY_SYM5, pattern_symbols[4],
184 DPHY_SYM6, pattern_symbols[5]);
185
186 /* This register resides in DP back end block;
187 * transmitter is used for the offset */
188
189 REG_SET_2(DP_DPHY_SYM2, 0,
190 DPHY_SYM7, pattern_symbols[6],
191 DPHY_SYM8, pattern_symbols[7]);
192 }
193
set_dp_phy_pattern_d102(struct dce110_link_encoder * enc110)194 static void set_dp_phy_pattern_d102(
195 struct dce110_link_encoder *enc110)
196 {
197 /* Disable PHY Bypass mode to setup the test pattern */
198 enable_phy_bypass_mode(enc110, false);
199
200 /* For 10-bit PRBS or debug symbols
201 * please use the following sequence: */
202
203 /* Enable debug symbols on the lanes */
204
205 disable_prbs_symbols(enc110, true);
206
207 /* Disable PRBS mode */
208 disable_prbs_mode(enc110);
209
210 /* Program debug symbols to be output */
211 {
212 uint16_t pattern_symbols[8] = {
213 0x2AA, 0x2AA, 0x2AA, 0x2AA,
214 0x2AA, 0x2AA, 0x2AA, 0x2AA
215 };
216
217 program_pattern_symbols(enc110, pattern_symbols);
218 }
219
220 /* Enable phy bypass mode to enable the test pattern */
221
222 enable_phy_bypass_mode(enc110, true);
223 }
224
set_link_training_complete(struct dce110_link_encoder * enc110,bool complete)225 static void set_link_training_complete(
226 struct dce110_link_encoder *enc110,
227 bool complete)
228 {
229 /* This register resides in DP back end block;
230 * transmitter is used for the offset */
231
232 REG_UPDATE(DP_LINK_CNTL, DP_LINK_TRAINING_COMPLETE, complete);
233
234 }
235
dce110_get_dig_frontend(struct link_encoder * enc)236 unsigned int dce110_get_dig_frontend(struct link_encoder *enc)
237 {
238 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
239 u32 value;
240 enum engine_id result;
241
242 REG_GET(DIG_BE_CNTL, DIG_FE_SOURCE_SELECT, &value);
243
244 switch (value) {
245 case DCE110_DIG_FE_SOURCE_SELECT_DIGA:
246 result = ENGINE_ID_DIGA;
247 break;
248 case DCE110_DIG_FE_SOURCE_SELECT_DIGB:
249 result = ENGINE_ID_DIGB;
250 break;
251 case DCE110_DIG_FE_SOURCE_SELECT_DIGC:
252 result = ENGINE_ID_DIGC;
253 break;
254 case DCE110_DIG_FE_SOURCE_SELECT_DIGD:
255 result = ENGINE_ID_DIGD;
256 break;
257 case DCE110_DIG_FE_SOURCE_SELECT_DIGE:
258 result = ENGINE_ID_DIGE;
259 break;
260 case DCE110_DIG_FE_SOURCE_SELECT_DIGF:
261 result = ENGINE_ID_DIGF;
262 break;
263 case DCE110_DIG_FE_SOURCE_SELECT_DIGG:
264 result = ENGINE_ID_DIGG;
265 break;
266 default:
267 // invalid source select DIG
268 result = ENGINE_ID_UNKNOWN;
269 }
270
271 return result;
272 }
273
dce110_link_encoder_set_dp_phy_pattern_training_pattern(struct link_encoder * enc,uint32_t index)274 void dce110_link_encoder_set_dp_phy_pattern_training_pattern(
275 struct link_encoder *enc,
276 uint32_t index)
277 {
278 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
279 /* Write Training Pattern */
280
281 REG_WRITE(DP_DPHY_TRAINING_PATTERN_SEL, index);
282
283 /* Set HW Register Training Complete to false */
284
285 set_link_training_complete(enc110, false);
286
287 /* Disable PHY Bypass mode to output Training Pattern */
288
289 enable_phy_bypass_mode(enc110, false);
290
291 /* Disable PRBS mode */
292 disable_prbs_mode(enc110);
293 }
294
setup_panel_mode(struct dce110_link_encoder * enc110,enum dp_panel_mode panel_mode)295 static void setup_panel_mode(
296 struct dce110_link_encoder *enc110,
297 enum dp_panel_mode panel_mode)
298 {
299 uint32_t value;
300 struct dc_context *ctx = enc110->base.ctx;
301
302 /* if psp set panel mode, dal should be program it */
303 if (ctx->dc->caps.psp_setup_panel_mode)
304 return;
305
306 ASSERT(REG(DP_DPHY_INTERNAL_CTRL));
307 value = REG_READ(DP_DPHY_INTERNAL_CTRL);
308
309 switch (panel_mode) {
310 case DP_PANEL_MODE_EDP:
311 value = 0x1;
312 break;
313 case DP_PANEL_MODE_SPECIAL:
314 value = 0x11;
315 break;
316 default:
317 value = 0x0;
318 break;
319 }
320
321 REG_WRITE(DP_DPHY_INTERNAL_CTRL, value);
322 }
323
set_dp_phy_pattern_symbol_error(struct dce110_link_encoder * enc110)324 static void set_dp_phy_pattern_symbol_error(
325 struct dce110_link_encoder *enc110)
326 {
327 /* Disable PHY Bypass mode to setup the test pattern */
328 enable_phy_bypass_mode(enc110, false);
329
330 /* program correct panel mode*/
331 setup_panel_mode(enc110, DP_PANEL_MODE_DEFAULT);
332
333 /* A PRBS23 pattern is used for most DP electrical measurements. */
334
335 /* Enable PRBS symbols on the lanes */
336 disable_prbs_symbols(enc110, false);
337
338 /* For PRBS23 Set bit DPHY_PRBS_SEL=1 and Set bit DPHY_PRBS_EN=1 */
339 REG_UPDATE_2(DP_DPHY_PRBS_CNTL,
340 DPHY_PRBS_SEL, 1,
341 DPHY_PRBS_EN, 1);
342
343 /* Enable phy bypass mode to enable the test pattern */
344 enable_phy_bypass_mode(enc110, true);
345 }
346
set_dp_phy_pattern_prbs7(struct dce110_link_encoder * enc110)347 static void set_dp_phy_pattern_prbs7(
348 struct dce110_link_encoder *enc110)
349 {
350 /* Disable PHY Bypass mode to setup the test pattern */
351 enable_phy_bypass_mode(enc110, false);
352
353 /* A PRBS7 pattern is used for most DP electrical measurements. */
354
355 /* Enable PRBS symbols on the lanes */
356 disable_prbs_symbols(enc110, false);
357
358 /* For PRBS7 Set bit DPHY_PRBS_SEL=0 and Set bit DPHY_PRBS_EN=1 */
359 REG_UPDATE_2(DP_DPHY_PRBS_CNTL,
360 DPHY_PRBS_SEL, 0,
361 DPHY_PRBS_EN, 1);
362
363 /* Enable phy bypass mode to enable the test pattern */
364 enable_phy_bypass_mode(enc110, true);
365 }
366
set_dp_phy_pattern_80bit_custom(struct dce110_link_encoder * enc110,const uint8_t * pattern)367 static void set_dp_phy_pattern_80bit_custom(
368 struct dce110_link_encoder *enc110,
369 const uint8_t *pattern)
370 {
371 /* Disable PHY Bypass mode to setup the test pattern */
372 enable_phy_bypass_mode(enc110, false);
373
374 /* Enable debug symbols on the lanes */
375
376 disable_prbs_symbols(enc110, true);
377
378 /* Enable PHY bypass mode to enable the test pattern */
379 /* TODO is it really needed ? */
380
381 enable_phy_bypass_mode(enc110, true);
382
383 /* Program 80 bit custom pattern */
384 {
385 uint16_t pattern_symbols[8];
386
387 pattern_symbols[0] =
388 ((pattern[1] & 0x03) << 8) | pattern[0];
389 pattern_symbols[1] =
390 ((pattern[2] & 0x0f) << 6) | ((pattern[1] >> 2) & 0x3f);
391 pattern_symbols[2] =
392 ((pattern[3] & 0x3f) << 4) | ((pattern[2] >> 4) & 0x0f);
393 pattern_symbols[3] =
394 (pattern[4] << 2) | ((pattern[3] >> 6) & 0x03);
395 pattern_symbols[4] =
396 ((pattern[6] & 0x03) << 8) | pattern[5];
397 pattern_symbols[5] =
398 ((pattern[7] & 0x0f) << 6) | ((pattern[6] >> 2) & 0x3f);
399 pattern_symbols[6] =
400 ((pattern[8] & 0x3f) << 4) | ((pattern[7] >> 4) & 0x0f);
401 pattern_symbols[7] =
402 (pattern[9] << 2) | ((pattern[8] >> 6) & 0x03);
403
404 program_pattern_symbols(enc110, pattern_symbols);
405 }
406
407 /* Enable phy bypass mode to enable the test pattern */
408
409 enable_phy_bypass_mode(enc110, true);
410 }
411
set_dp_phy_pattern_hbr2_compliance_cp2520_2(struct dce110_link_encoder * enc110,unsigned int cp2520_pattern)412 static void set_dp_phy_pattern_hbr2_compliance_cp2520_2(
413 struct dce110_link_encoder *enc110,
414 unsigned int cp2520_pattern)
415 {
416
417 /* previously there is a register DP_HBR2_EYE_PATTERN
418 * that is enabled to get the pattern.
419 * But it does not work with the latest spec change,
420 * so we are programming the following registers manually.
421 *
422 * The following settings have been confirmed
423 * by Nick Chorney and Sandra Liu */
424
425 /* Disable PHY Bypass mode to setup the test pattern */
426
427 enable_phy_bypass_mode(enc110, false);
428
429 /* Setup DIG encoder in DP SST mode */
430 enc110->base.funcs->setup(&enc110->base, SIGNAL_TYPE_DISPLAY_PORT);
431
432 /* ensure normal panel mode. */
433 setup_panel_mode(enc110, DP_PANEL_MODE_DEFAULT);
434
435 /* no vbid after BS (SR)
436 * DP_LINK_FRAMING_CNTL changed history Sandra Liu
437 * 11000260 / 11000104 / 110000FC */
438 REG_UPDATE_3(DP_LINK_FRAMING_CNTL,
439 DP_IDLE_BS_INTERVAL, 0xFC,
440 DP_VBID_DISABLE, 1,
441 DP_VID_ENHANCED_FRAME_MODE, 1);
442
443 /* swap every BS with SR */
444 REG_UPDATE(DP_DPHY_SCRAM_CNTL, DPHY_SCRAMBLER_BS_COUNT, 0);
445
446 /* select cp2520 patterns */
447 if (REG(DP_DPHY_HBR2_PATTERN_CONTROL))
448 REG_UPDATE(DP_DPHY_HBR2_PATTERN_CONTROL,
449 DP_DPHY_HBR2_PATTERN_CONTROL, cp2520_pattern);
450 else
451 /* pre-DCE11 can only generate CP2520 pattern 2 */
452 ASSERT(cp2520_pattern == 2);
453
454 /* set link training complete */
455 set_link_training_complete(enc110, true);
456
457 /* disable video stream */
458 REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, 0);
459
460 /* Disable PHY Bypass mode to setup the test pattern */
461 enable_phy_bypass_mode(enc110, false);
462 }
463
464 #if defined(CONFIG_DRM_AMD_DC_SI)
dce60_set_dp_phy_pattern_hbr2_compliance_cp2520_2(struct dce110_link_encoder * enc110,unsigned int cp2520_pattern)465 static void dce60_set_dp_phy_pattern_hbr2_compliance_cp2520_2(
466 struct dce110_link_encoder *enc110,
467 unsigned int cp2520_pattern)
468 {
469
470 /* previously there is a register DP_HBR2_EYE_PATTERN
471 * that is enabled to get the pattern.
472 * But it does not work with the latest spec change,
473 * so we are programming the following registers manually.
474 *
475 * The following settings have been confirmed
476 * by Nick Chorney and Sandra Liu */
477
478 /* Disable PHY Bypass mode to setup the test pattern */
479
480 enable_phy_bypass_mode(enc110, false);
481
482 /* Setup DIG encoder in DP SST mode */
483 enc110->base.funcs->setup(&enc110->base, SIGNAL_TYPE_DISPLAY_PORT);
484
485 /* ensure normal panel mode. */
486 setup_panel_mode(enc110, DP_PANEL_MODE_DEFAULT);
487
488 /* no vbid after BS (SR)
489 * DP_LINK_FRAMING_CNTL changed history Sandra Liu
490 * 11000260 / 11000104 / 110000FC */
491 REG_UPDATE_3(DP_LINK_FRAMING_CNTL,
492 DP_IDLE_BS_INTERVAL, 0xFC,
493 DP_VBID_DISABLE, 1,
494 DP_VID_ENHANCED_FRAME_MODE, 1);
495
496 /* DCE6 has no DP_DPHY_SCRAM_CNTL register, skip swap BS with SR */
497
498 /* select cp2520 patterns */
499 if (REG(DP_DPHY_HBR2_PATTERN_CONTROL))
500 REG_UPDATE(DP_DPHY_HBR2_PATTERN_CONTROL,
501 DP_DPHY_HBR2_PATTERN_CONTROL, cp2520_pattern);
502 else
503 /* pre-DCE11 can only generate CP2520 pattern 2 */
504 ASSERT(cp2520_pattern == 2);
505
506 /* set link training complete */
507 set_link_training_complete(enc110, true);
508
509 /* disable video stream */
510 REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, 0);
511
512 /* Disable PHY Bypass mode to setup the test pattern */
513 enable_phy_bypass_mode(enc110, false);
514 }
515 #endif
516
set_dp_phy_pattern_passthrough_mode(struct dce110_link_encoder * enc110,enum dp_panel_mode panel_mode)517 static void set_dp_phy_pattern_passthrough_mode(
518 struct dce110_link_encoder *enc110,
519 enum dp_panel_mode panel_mode)
520 {
521 /* program correct panel mode */
522 setup_panel_mode(enc110, panel_mode);
523
524 /* restore LINK_FRAMING_CNTL and DPHY_SCRAMBLER_BS_COUNT
525 * in case we were doing HBR2 compliance pattern before
526 */
527 REG_UPDATE_3(DP_LINK_FRAMING_CNTL,
528 DP_IDLE_BS_INTERVAL, 0x2000,
529 DP_VBID_DISABLE, 0,
530 DP_VID_ENHANCED_FRAME_MODE, 1);
531
532 REG_UPDATE(DP_DPHY_SCRAM_CNTL, DPHY_SCRAMBLER_BS_COUNT, 0x1FF);
533
534 /* set link training complete */
535 set_link_training_complete(enc110, true);
536
537 /* Disable PHY Bypass mode to setup the test pattern */
538 enable_phy_bypass_mode(enc110, false);
539
540 /* Disable PRBS mode */
541 disable_prbs_mode(enc110);
542 }
543
544 #if defined(CONFIG_DRM_AMD_DC_SI)
dce60_set_dp_phy_pattern_passthrough_mode(struct dce110_link_encoder * enc110,enum dp_panel_mode panel_mode)545 static void dce60_set_dp_phy_pattern_passthrough_mode(
546 struct dce110_link_encoder *enc110,
547 enum dp_panel_mode panel_mode)
548 {
549 /* program correct panel mode */
550 setup_panel_mode(enc110, panel_mode);
551
552 /* restore LINK_FRAMING_CNTL
553 * in case we were doing HBR2 compliance pattern before
554 */
555 REG_UPDATE_3(DP_LINK_FRAMING_CNTL,
556 DP_IDLE_BS_INTERVAL, 0x2000,
557 DP_VBID_DISABLE, 0,
558 DP_VID_ENHANCED_FRAME_MODE, 1);
559
560 /* DCE6 has no DP_DPHY_SCRAM_CNTL register, skip DPHY_SCRAMBLER_BS_COUNT restore */
561
562 /* set link training complete */
563 set_link_training_complete(enc110, true);
564
565 /* Disable PHY Bypass mode to setup the test pattern */
566 enable_phy_bypass_mode(enc110, false);
567
568 /* Disable PRBS mode */
569 disable_prbs_mode(enc110);
570 }
571 #endif
572
573 /* return value is bit-vector */
get_frontend_source(enum engine_id engine)574 static uint8_t get_frontend_source(
575 enum engine_id engine)
576 {
577 switch (engine) {
578 case ENGINE_ID_DIGA:
579 return DCE110_DIG_FE_SOURCE_SELECT_DIGA;
580 case ENGINE_ID_DIGB:
581 return DCE110_DIG_FE_SOURCE_SELECT_DIGB;
582 case ENGINE_ID_DIGC:
583 return DCE110_DIG_FE_SOURCE_SELECT_DIGC;
584 case ENGINE_ID_DIGD:
585 return DCE110_DIG_FE_SOURCE_SELECT_DIGD;
586 case ENGINE_ID_DIGE:
587 return DCE110_DIG_FE_SOURCE_SELECT_DIGE;
588 case ENGINE_ID_DIGF:
589 return DCE110_DIG_FE_SOURCE_SELECT_DIGF;
590 case ENGINE_ID_DIGG:
591 return DCE110_DIG_FE_SOURCE_SELECT_DIGG;
592 default:
593 ASSERT_CRITICAL(false);
594 return DCE110_DIG_FE_SOURCE_SELECT_INVALID;
595 }
596 }
597
configure_encoder(struct dce110_link_encoder * enc110,const struct dc_link_settings * link_settings)598 static void configure_encoder(
599 struct dce110_link_encoder *enc110,
600 const struct dc_link_settings *link_settings)
601 {
602 /* set number of lanes */
603
604 REG_SET(DP_CONFIG, 0,
605 DP_UDI_LANES, link_settings->lane_count - LANE_COUNT_ONE);
606
607 /* setup scrambler */
608 REG_UPDATE(DP_DPHY_SCRAM_CNTL, DPHY_SCRAMBLER_ADVANCE, 1);
609 }
610
611 #if defined(CONFIG_DRM_AMD_DC_SI)
dce60_configure_encoder(struct dce110_link_encoder * enc110,const struct dc_link_settings * link_settings)612 static void dce60_configure_encoder(
613 struct dce110_link_encoder *enc110,
614 const struct dc_link_settings *link_settings)
615 {
616 /* set number of lanes */
617
618 REG_SET(DP_CONFIG, 0,
619 DP_UDI_LANES, link_settings->lane_count - LANE_COUNT_ONE);
620
621 /* DCE6 has no DP_DPHY_SCRAM_CNTL register, skip setup scrambler */
622 }
623 #endif
624
aux_initialize(struct dce110_link_encoder * enc110)625 static void aux_initialize(
626 struct dce110_link_encoder *enc110)
627 {
628 struct dc_context *ctx = enc110->base.ctx;
629 enum hpd_source_id hpd_source = enc110->base.hpd_source;
630 uint32_t addr = AUX_REG(AUX_CONTROL);
631 uint32_t value = dm_read_reg(ctx, addr);
632
633 set_reg_field_value(value, hpd_source, AUX_CONTROL, AUX_HPD_SEL);
634 set_reg_field_value(value, 0, AUX_CONTROL, AUX_LS_READ_EN);
635 dm_write_reg(ctx, addr, value);
636
637 addr = AUX_REG(AUX_DPHY_RX_CONTROL0);
638 value = dm_read_reg(ctx, addr);
639
640 /* 1/4 window (the maximum allowed) */
641 set_reg_field_value(value, 1,
642 AUX_DPHY_RX_CONTROL0, AUX_RX_RECEIVE_WINDOW);
643 dm_write_reg(ctx, addr, value);
644
645 }
646
dce110_psr_program_dp_dphy_fast_training(struct link_encoder * enc,bool exit_link_training_required)647 void dce110_psr_program_dp_dphy_fast_training(struct link_encoder *enc,
648 bool exit_link_training_required)
649 {
650 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
651
652 if (exit_link_training_required)
653 REG_UPDATE(DP_DPHY_FAST_TRAINING,
654 DPHY_RX_FAST_TRAINING_CAPABLE, 1);
655 else {
656 REG_UPDATE(DP_DPHY_FAST_TRAINING,
657 DPHY_RX_FAST_TRAINING_CAPABLE, 0);
658 /*In DCE 11, we are able to pre-program a Force SR register
659 * to be able to trigger SR symbol after 5 idle patterns
660 * transmitted. Upon PSR Exit, DMCU can trigger
661 * DPHY_LOAD_BS_COUNT_START = 1. Upon writing 1 to
662 * DPHY_LOAD_BS_COUNT_START and the internal counter
663 * reaches DPHY_LOAD_BS_COUNT, the next BS symbol will be
664 * replaced by SR symbol once.
665 */
666
667 REG_UPDATE(DP_DPHY_BS_SR_SWAP_CNTL, DPHY_LOAD_BS_COUNT, 0x5);
668 }
669 }
670
dce110_psr_program_secondary_packet(struct link_encoder * enc,unsigned int sdp_transmit_line_num_deadline)671 void dce110_psr_program_secondary_packet(struct link_encoder *enc,
672 unsigned int sdp_transmit_line_num_deadline)
673 {
674 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
675
676 REG_UPDATE_2(DP_SEC_CNTL1,
677 DP_SEC_GSP0_LINE_NUM, sdp_transmit_line_num_deadline,
678 DP_SEC_GSP0_PRIORITY, 1);
679 }
680
dce110_is_dig_enabled(struct link_encoder * enc)681 bool dce110_is_dig_enabled(struct link_encoder *enc)
682 {
683 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
684 uint32_t value;
685
686 REG_GET(DIG_BE_EN_CNTL, DIG_ENABLE, &value);
687 return value;
688 }
689
link_encoder_disable(struct dce110_link_encoder * enc110)690 static void link_encoder_disable(struct dce110_link_encoder *enc110)
691 {
692 /* reset training pattern */
693 REG_SET(DP_DPHY_TRAINING_PATTERN_SEL, 0,
694 DPHY_TRAINING_PATTERN_SEL, 0);
695
696 /* reset training complete */
697 REG_UPDATE(DP_LINK_CNTL, DP_LINK_TRAINING_COMPLETE, 0);
698
699 /* reset panel mode */
700 setup_panel_mode(enc110, DP_PANEL_MODE_DEFAULT);
701 }
702
hpd_initialize(struct dce110_link_encoder * enc110)703 static void hpd_initialize(
704 struct dce110_link_encoder *enc110)
705 {
706 /* Associate HPD with DIG_BE */
707 enum hpd_source_id hpd_source = enc110->base.hpd_source;
708
709 REG_UPDATE(DIG_BE_CNTL, DIG_HPD_SELECT, hpd_source);
710 }
711
dce110_link_encoder_validate_dvi_output(const struct dce110_link_encoder * enc110,enum signal_type connector_signal,enum signal_type signal,const struct dc_crtc_timing * crtc_timing)712 bool dce110_link_encoder_validate_dvi_output(
713 const struct dce110_link_encoder *enc110,
714 enum signal_type connector_signal,
715 enum signal_type signal,
716 const struct dc_crtc_timing *crtc_timing)
717 {
718 uint32_t max_pixel_clock = TMDS_MAX_PIXEL_CLOCK;
719
720 if (signal == SIGNAL_TYPE_DVI_DUAL_LINK)
721 max_pixel_clock *= 2;
722
723 /* This handles the case of HDMI downgrade to DVI we don't want to
724 * we don't want to cap the pixel clock if the DDI is not DVI.
725 */
726 if (connector_signal != SIGNAL_TYPE_DVI_DUAL_LINK &&
727 connector_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
728 max_pixel_clock = enc110->base.features.max_hdmi_pixel_clock;
729
730 /* DVI only support RGB pixel encoding */
731 if (crtc_timing->pixel_encoding != PIXEL_ENCODING_RGB)
732 return false;
733
734 /*connect DVI via adpater's HDMI connector*/
735 if ((connector_signal == SIGNAL_TYPE_DVI_SINGLE_LINK ||
736 connector_signal == SIGNAL_TYPE_HDMI_TYPE_A) &&
737 signal != SIGNAL_TYPE_HDMI_TYPE_A &&
738 crtc_timing->pix_clk_100hz > (TMDS_MAX_PIXEL_CLOCK * 10))
739 return false;
740 if (crtc_timing->pix_clk_100hz < (TMDS_MIN_PIXEL_CLOCK * 10))
741 return false;
742
743 if (crtc_timing->pix_clk_100hz > (max_pixel_clock * 10))
744 return false;
745
746 /* DVI supports 6/8bpp single-link and 10/16bpp dual-link */
747 switch (crtc_timing->display_color_depth) {
748 case COLOR_DEPTH_666:
749 case COLOR_DEPTH_888:
750 break;
751 case COLOR_DEPTH_101010:
752 case COLOR_DEPTH_161616:
753 if (signal != SIGNAL_TYPE_DVI_DUAL_LINK)
754 return false;
755 break;
756 default:
757 return false;
758 }
759
760 return true;
761 }
762
dce110_link_encoder_validate_hdmi_output(const struct dce110_link_encoder * enc110,const struct dc_crtc_timing * crtc_timing,int adjusted_pix_clk_khz)763 static bool dce110_link_encoder_validate_hdmi_output(
764 const struct dce110_link_encoder *enc110,
765 const struct dc_crtc_timing *crtc_timing,
766 int adjusted_pix_clk_khz)
767 {
768 enum dc_color_depth max_deep_color =
769 enc110->base.features.max_hdmi_deep_color;
770
771 if (max_deep_color < crtc_timing->display_color_depth)
772 return false;
773
774 if (crtc_timing->display_color_depth < COLOR_DEPTH_888)
775 return false;
776 if (adjusted_pix_clk_khz < TMDS_MIN_PIXEL_CLOCK)
777 return false;
778
779 if ((adjusted_pix_clk_khz == 0) ||
780 (adjusted_pix_clk_khz > enc110->base.features.max_hdmi_pixel_clock))
781 return false;
782
783 /* DCE11 HW does not support 420 */
784 if (!enc110->base.features.hdmi_ycbcr420_supported &&
785 crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
786 return false;
787
788 if ((!enc110->base.features.flags.bits.HDMI_6GB_EN ||
789 enc110->base.ctx->dc->debug.hdmi20_disable) &&
790 adjusted_pix_clk_khz >= 300000)
791 return false;
792 if (enc110->base.ctx->dc->debug.hdmi20_disable &&
793 crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
794 return false;
795 return true;
796 }
797
dce110_link_encoder_validate_dp_output(const struct dce110_link_encoder * enc110,const struct dc_crtc_timing * crtc_timing)798 bool dce110_link_encoder_validate_dp_output(
799 const struct dce110_link_encoder *enc110,
800 const struct dc_crtc_timing *crtc_timing)
801 {
802 if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
803 return false;
804
805 return true;
806 }
807
dce110_link_encoder_construct(struct dce110_link_encoder * enc110,const struct encoder_init_data * init_data,const struct encoder_feature_support * enc_features,const struct dce110_link_enc_registers * link_regs,const struct dce110_link_enc_aux_registers * aux_regs,const struct dce110_link_enc_hpd_registers * hpd_regs)808 void dce110_link_encoder_construct(
809 struct dce110_link_encoder *enc110,
810 const struct encoder_init_data *init_data,
811 const struct encoder_feature_support *enc_features,
812 const struct dce110_link_enc_registers *link_regs,
813 const struct dce110_link_enc_aux_registers *aux_regs,
814 const struct dce110_link_enc_hpd_registers *hpd_regs)
815 {
816 struct bp_encoder_cap_info bp_cap_info = {0};
817 const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs;
818 enum bp_result result = BP_RESULT_OK;
819
820 enc110->base.funcs = &dce110_lnk_enc_funcs;
821 enc110->base.ctx = init_data->ctx;
822 enc110->base.id = init_data->encoder;
823
824 enc110->base.hpd_source = init_data->hpd_source;
825 enc110->base.connector = init_data->connector;
826
827 enc110->base.preferred_engine = ENGINE_ID_UNKNOWN;
828
829 enc110->base.features = *enc_features;
830
831 enc110->base.transmitter = init_data->transmitter;
832
833 /* set the flag to indicate whether driver poll the I2C data pin
834 * while doing the DP sink detect
835 */
836
837 /* if (dal_adapter_service_is_feature_supported(as,
838 FEATURE_DP_SINK_DETECT_POLL_DATA_PIN))
839 enc110->base.features.flags.bits.
840 DP_SINK_DETECT_POLL_DATA_PIN = true;*/
841
842 enc110->base.output_signals =
843 SIGNAL_TYPE_DVI_SINGLE_LINK |
844 SIGNAL_TYPE_DVI_DUAL_LINK |
845 SIGNAL_TYPE_LVDS |
846 SIGNAL_TYPE_DISPLAY_PORT |
847 SIGNAL_TYPE_DISPLAY_PORT_MST |
848 SIGNAL_TYPE_EDP |
849 SIGNAL_TYPE_HDMI_TYPE_A;
850
851 /* For DCE 8.0 and 8.1, by design, UNIPHY is hardwired to DIG_BE.
852 * SW always assign DIG_FE 1:1 mapped to DIG_FE for non-MST UNIPHY.
853 * SW assign DIG_FE to non-MST UNIPHY first and MST last. So prefer
854 * DIG is per UNIPHY and used by SST DP, eDP, HDMI, DVI and LVDS.
855 * Prefer DIG assignment is decided by board design.
856 * For DCE 8.0, there are only max 6 UNIPHYs, we assume board design
857 * and VBIOS will filter out 7 UNIPHY for DCE 8.0.
858 * By this, adding DIGG should not hurt DCE 8.0.
859 * This will let DCE 8.1 share DCE 8.0 as much as possible
860 */
861
862 enc110->link_regs = link_regs;
863 enc110->aux_regs = aux_regs;
864 enc110->hpd_regs = hpd_regs;
865
866 switch (enc110->base.transmitter) {
867 case TRANSMITTER_UNIPHY_A:
868 enc110->base.preferred_engine = ENGINE_ID_DIGA;
869 break;
870 case TRANSMITTER_UNIPHY_B:
871 enc110->base.preferred_engine = ENGINE_ID_DIGB;
872 break;
873 case TRANSMITTER_UNIPHY_C:
874 enc110->base.preferred_engine = ENGINE_ID_DIGC;
875 break;
876 case TRANSMITTER_UNIPHY_D:
877 enc110->base.preferred_engine = ENGINE_ID_DIGD;
878 break;
879 case TRANSMITTER_UNIPHY_E:
880 enc110->base.preferred_engine = ENGINE_ID_DIGE;
881 break;
882 case TRANSMITTER_UNIPHY_F:
883 enc110->base.preferred_engine = ENGINE_ID_DIGF;
884 break;
885 case TRANSMITTER_UNIPHY_G:
886 enc110->base.preferred_engine = ENGINE_ID_DIGG;
887 break;
888 default:
889 ASSERT_CRITICAL(false);
890 enc110->base.preferred_engine = ENGINE_ID_UNKNOWN;
891 }
892
893 /* default to one to mirror Windows behavior */
894 enc110->base.features.flags.bits.HDMI_6GB_EN = 1;
895
896 result = bp_funcs->get_encoder_cap_info(enc110->base.ctx->dc_bios,
897 enc110->base.id, &bp_cap_info);
898
899 /* Override features with DCE-specific values */
900 if (BP_RESULT_OK == result) {
901 enc110->base.features.flags.bits.IS_HBR2_CAPABLE =
902 bp_cap_info.DP_HBR2_EN;
903 enc110->base.features.flags.bits.IS_HBR3_CAPABLE =
904 bp_cap_info.DP_HBR3_EN;
905 enc110->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN;
906 } else {
907 DC_LOG_WARNING("%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n",
908 __func__,
909 result);
910 }
911 if (enc110->base.ctx->dc->debug.hdmi20_disable) {
912 enc110->base.features.flags.bits.HDMI_6GB_EN = 0;
913 }
914 }
915
dce110_link_encoder_validate_output_with_stream(struct link_encoder * enc,const struct dc_stream_state * stream)916 bool dce110_link_encoder_validate_output_with_stream(
917 struct link_encoder *enc,
918 const struct dc_stream_state *stream)
919 {
920 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
921 bool is_valid;
922
923 switch (stream->signal) {
924 case SIGNAL_TYPE_DVI_SINGLE_LINK:
925 case SIGNAL_TYPE_DVI_DUAL_LINK:
926 is_valid = dce110_link_encoder_validate_dvi_output(
927 enc110,
928 stream->link->connector_signal,
929 stream->signal,
930 &stream->timing);
931 break;
932 case SIGNAL_TYPE_HDMI_TYPE_A:
933 is_valid = dce110_link_encoder_validate_hdmi_output(
934 enc110,
935 &stream->timing,
936 stream->phy_pix_clk);
937 break;
938 case SIGNAL_TYPE_DISPLAY_PORT:
939 case SIGNAL_TYPE_DISPLAY_PORT_MST:
940 is_valid = dce110_link_encoder_validate_dp_output(
941 enc110, &stream->timing);
942 break;
943 case SIGNAL_TYPE_EDP:
944 case SIGNAL_TYPE_LVDS:
945 is_valid =
946 (stream->timing.
947 pixel_encoding == PIXEL_ENCODING_RGB) ? true : false;
948 break;
949 case SIGNAL_TYPE_VIRTUAL:
950 is_valid = true;
951 break;
952 default:
953 is_valid = false;
954 break;
955 }
956
957 return is_valid;
958 }
959
dce110_link_encoder_hw_init(struct link_encoder * enc)960 void dce110_link_encoder_hw_init(
961 struct link_encoder *enc)
962 {
963 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
964 struct bp_transmitter_control cntl = { 0 };
965 enum bp_result result;
966
967 cntl.action = TRANSMITTER_CONTROL_INIT;
968 cntl.engine_id = ENGINE_ID_UNKNOWN;
969 cntl.transmitter = enc110->base.transmitter;
970 cntl.connector_obj_id = enc110->base.connector;
971 cntl.lanes_number = LANE_COUNT_FOUR;
972 cntl.coherent = false;
973 cntl.hpd_sel = enc110->base.hpd_source;
974
975 if (enc110->base.connector.id == CONNECTOR_ID_EDP)
976 cntl.signal = SIGNAL_TYPE_EDP;
977
978 result = link_transmitter_control(enc110, &cntl);
979
980 if (result != BP_RESULT_OK) {
981 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
982 __func__);
983 BREAK_TO_DEBUGGER();
984 return;
985 }
986
987 if (enc110->base.connector.id == CONNECTOR_ID_LVDS) {
988 cntl.action = TRANSMITTER_CONTROL_BACKLIGHT_BRIGHTNESS;
989
990 result = link_transmitter_control(enc110, &cntl);
991
992 ASSERT(result == BP_RESULT_OK);
993
994 }
995 aux_initialize(enc110);
996
997 /* reinitialize HPD.
998 * hpd_initialize() will pass DIG_FE id to HW context.
999 * All other routine within HW context will use fe_engine_offset
1000 * as DIG_FE id even caller pass DIG_FE id.
1001 * So this routine must be called first. */
1002 hpd_initialize(enc110);
1003 }
1004
dce110_link_encoder_destroy(struct link_encoder ** enc)1005 void dce110_link_encoder_destroy(struct link_encoder **enc)
1006 {
1007 kfree(TO_DCE110_LINK_ENC(*enc));
1008 *enc = NULL;
1009 }
1010
dce110_link_encoder_setup(struct link_encoder * enc,enum signal_type signal)1011 void dce110_link_encoder_setup(
1012 struct link_encoder *enc,
1013 enum signal_type signal)
1014 {
1015 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1016
1017 switch (signal) {
1018 case SIGNAL_TYPE_EDP:
1019 case SIGNAL_TYPE_DISPLAY_PORT:
1020 /* DP SST */
1021 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 0);
1022 break;
1023 case SIGNAL_TYPE_LVDS:
1024 /* LVDS */
1025 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 1);
1026 break;
1027 case SIGNAL_TYPE_DVI_SINGLE_LINK:
1028 case SIGNAL_TYPE_DVI_DUAL_LINK:
1029 /* TMDS-DVI */
1030 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 2);
1031 break;
1032 case SIGNAL_TYPE_HDMI_TYPE_A:
1033 /* TMDS-HDMI */
1034 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 3);
1035 break;
1036 case SIGNAL_TYPE_DISPLAY_PORT_MST:
1037 /* DP MST */
1038 REG_UPDATE(DIG_BE_CNTL, DIG_MODE, 5);
1039 break;
1040 default:
1041 ASSERT_CRITICAL(false);
1042 /* invalid mode ! */
1043 break;
1044 }
1045
1046 }
1047
1048 /* TODO: still need depth or just pass in adjusted pixel clock? */
dce110_link_encoder_enable_tmds_output(struct link_encoder * enc,enum clock_source_id clock_source,enum dc_color_depth color_depth,enum signal_type signal,uint32_t pixel_clock)1049 void dce110_link_encoder_enable_tmds_output(
1050 struct link_encoder *enc,
1051 enum clock_source_id clock_source,
1052 enum dc_color_depth color_depth,
1053 enum signal_type signal,
1054 uint32_t pixel_clock)
1055 {
1056 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1057 struct bp_transmitter_control cntl = { 0 };
1058 enum bp_result result;
1059
1060 /* Enable the PHY */
1061 cntl.connector_obj_id = enc110->base.connector;
1062 cntl.action = TRANSMITTER_CONTROL_ENABLE;
1063 cntl.engine_id = enc->preferred_engine;
1064 cntl.transmitter = enc110->base.transmitter;
1065 cntl.pll_id = clock_source;
1066 cntl.signal = signal;
1067 if (cntl.signal == SIGNAL_TYPE_DVI_DUAL_LINK)
1068 cntl.lanes_number = 8;
1069 else
1070 cntl.lanes_number = 4;
1071
1072 cntl.hpd_sel = enc110->base.hpd_source;
1073
1074 cntl.pixel_clock = pixel_clock;
1075 cntl.color_depth = color_depth;
1076
1077 result = link_transmitter_control(enc110, &cntl);
1078
1079 if (result != BP_RESULT_OK) {
1080 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1081 __func__);
1082 BREAK_TO_DEBUGGER();
1083 }
1084 }
1085
1086 /* TODO: still need depth or just pass in adjusted pixel clock? */
dce110_link_encoder_enable_lvds_output(struct link_encoder * enc,enum clock_source_id clock_source,uint32_t pixel_clock)1087 void dce110_link_encoder_enable_lvds_output(
1088 struct link_encoder *enc,
1089 enum clock_source_id clock_source,
1090 uint32_t pixel_clock)
1091 {
1092 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1093 struct bp_transmitter_control cntl = { 0 };
1094 enum bp_result result;
1095
1096 /* Enable the PHY */
1097 cntl.connector_obj_id = enc110->base.connector;
1098 cntl.action = TRANSMITTER_CONTROL_ENABLE;
1099 cntl.engine_id = enc->preferred_engine;
1100 cntl.transmitter = enc110->base.transmitter;
1101 cntl.pll_id = clock_source;
1102 cntl.signal = SIGNAL_TYPE_LVDS;
1103 cntl.lanes_number = 4;
1104
1105 cntl.hpd_sel = enc110->base.hpd_source;
1106
1107 cntl.pixel_clock = pixel_clock;
1108
1109 result = link_transmitter_control(enc110, &cntl);
1110
1111 if (result != BP_RESULT_OK) {
1112 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1113 __func__);
1114 BREAK_TO_DEBUGGER();
1115 }
1116 }
1117
1118 /* enables DP PHY output */
dce110_link_encoder_enable_dp_output(struct link_encoder * enc,const struct dc_link_settings * link_settings,enum clock_source_id clock_source)1119 void dce110_link_encoder_enable_dp_output(
1120 struct link_encoder *enc,
1121 const struct dc_link_settings *link_settings,
1122 enum clock_source_id clock_source)
1123 {
1124 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1125 struct bp_transmitter_control cntl = { 0 };
1126 enum bp_result result;
1127
1128 /* Enable the PHY */
1129
1130 /* number_of_lanes is used for pixel clock adjust,
1131 * but it's not passed to asic_control.
1132 * We need to set number of lanes manually.
1133 */
1134 configure_encoder(enc110, link_settings);
1135 cntl.connector_obj_id = enc110->base.connector;
1136 cntl.action = TRANSMITTER_CONTROL_ENABLE;
1137 cntl.engine_id = enc->preferred_engine;
1138 cntl.transmitter = enc110->base.transmitter;
1139 cntl.pll_id = clock_source;
1140 cntl.signal = SIGNAL_TYPE_DISPLAY_PORT;
1141 cntl.lanes_number = link_settings->lane_count;
1142 cntl.hpd_sel = enc110->base.hpd_source;
1143 cntl.pixel_clock = link_settings->link_rate
1144 * LINK_RATE_REF_FREQ_IN_KHZ;
1145 /* TODO: check if undefined works */
1146 cntl.color_depth = COLOR_DEPTH_UNDEFINED;
1147
1148 result = link_transmitter_control(enc110, &cntl);
1149
1150 if (result != BP_RESULT_OK) {
1151 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1152 __func__);
1153 BREAK_TO_DEBUGGER();
1154 }
1155 }
1156
1157 /* enables DP PHY output in MST mode */
dce110_link_encoder_enable_dp_mst_output(struct link_encoder * enc,const struct dc_link_settings * link_settings,enum clock_source_id clock_source)1158 void dce110_link_encoder_enable_dp_mst_output(
1159 struct link_encoder *enc,
1160 const struct dc_link_settings *link_settings,
1161 enum clock_source_id clock_source)
1162 {
1163 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1164 struct bp_transmitter_control cntl = { 0 };
1165 enum bp_result result;
1166
1167 /* Enable the PHY */
1168
1169 /* number_of_lanes is used for pixel clock adjust,
1170 * but it's not passed to asic_control.
1171 * We need to set number of lanes manually.
1172 */
1173 configure_encoder(enc110, link_settings);
1174
1175 cntl.action = TRANSMITTER_CONTROL_ENABLE;
1176 cntl.engine_id = ENGINE_ID_UNKNOWN;
1177 cntl.transmitter = enc110->base.transmitter;
1178 cntl.pll_id = clock_source;
1179 cntl.signal = SIGNAL_TYPE_DISPLAY_PORT_MST;
1180 cntl.lanes_number = link_settings->lane_count;
1181 cntl.hpd_sel = enc110->base.hpd_source;
1182 cntl.pixel_clock = link_settings->link_rate
1183 * LINK_RATE_REF_FREQ_IN_KHZ;
1184 /* TODO: check if undefined works */
1185 cntl.color_depth = COLOR_DEPTH_UNDEFINED;
1186
1187 result = link_transmitter_control(enc110, &cntl);
1188
1189 if (result != BP_RESULT_OK) {
1190 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1191 __func__);
1192 BREAK_TO_DEBUGGER();
1193 }
1194 }
1195
1196 #if defined(CONFIG_DRM_AMD_DC_SI)
1197 /* enables DP PHY output */
dce60_link_encoder_enable_dp_output(struct link_encoder * enc,const struct dc_link_settings * link_settings,enum clock_source_id clock_source)1198 static void dce60_link_encoder_enable_dp_output(
1199 struct link_encoder *enc,
1200 const struct dc_link_settings *link_settings,
1201 enum clock_source_id clock_source)
1202 {
1203 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1204 struct bp_transmitter_control cntl = { 0 };
1205 enum bp_result result;
1206
1207 /* Enable the PHY */
1208
1209 /* number_of_lanes is used for pixel clock adjust,
1210 * but it's not passed to asic_control.
1211 * We need to set number of lanes manually.
1212 */
1213 dce60_configure_encoder(enc110, link_settings);
1214 cntl.connector_obj_id = enc110->base.connector;
1215 cntl.action = TRANSMITTER_CONTROL_ENABLE;
1216 cntl.engine_id = enc->preferred_engine;
1217 cntl.transmitter = enc110->base.transmitter;
1218 cntl.pll_id = clock_source;
1219 cntl.signal = SIGNAL_TYPE_DISPLAY_PORT;
1220 cntl.lanes_number = link_settings->lane_count;
1221 cntl.hpd_sel = enc110->base.hpd_source;
1222 cntl.pixel_clock = link_settings->link_rate
1223 * LINK_RATE_REF_FREQ_IN_KHZ;
1224 /* TODO: check if undefined works */
1225 cntl.color_depth = COLOR_DEPTH_UNDEFINED;
1226
1227 result = link_transmitter_control(enc110, &cntl);
1228
1229 if (result != BP_RESULT_OK) {
1230 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1231 __func__);
1232 BREAK_TO_DEBUGGER();
1233 }
1234 }
1235
1236 /* enables DP PHY output in MST mode */
dce60_link_encoder_enable_dp_mst_output(struct link_encoder * enc,const struct dc_link_settings * link_settings,enum clock_source_id clock_source)1237 static void dce60_link_encoder_enable_dp_mst_output(
1238 struct link_encoder *enc,
1239 const struct dc_link_settings *link_settings,
1240 enum clock_source_id clock_source)
1241 {
1242 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1243 struct bp_transmitter_control cntl = { 0 };
1244 enum bp_result result;
1245
1246 /* Enable the PHY */
1247
1248 /* number_of_lanes is used for pixel clock adjust,
1249 * but it's not passed to asic_control.
1250 * We need to set number of lanes manually.
1251 */
1252 dce60_configure_encoder(enc110, link_settings);
1253
1254 cntl.action = TRANSMITTER_CONTROL_ENABLE;
1255 cntl.engine_id = ENGINE_ID_UNKNOWN;
1256 cntl.transmitter = enc110->base.transmitter;
1257 cntl.pll_id = clock_source;
1258 cntl.signal = SIGNAL_TYPE_DISPLAY_PORT_MST;
1259 cntl.lanes_number = link_settings->lane_count;
1260 cntl.hpd_sel = enc110->base.hpd_source;
1261 cntl.pixel_clock = link_settings->link_rate
1262 * LINK_RATE_REF_FREQ_IN_KHZ;
1263 /* TODO: check if undefined works */
1264 cntl.color_depth = COLOR_DEPTH_UNDEFINED;
1265
1266 result = link_transmitter_control(enc110, &cntl);
1267
1268 if (result != BP_RESULT_OK) {
1269 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1270 __func__);
1271 BREAK_TO_DEBUGGER();
1272 }
1273 }
1274 #endif
1275
1276 /*
1277 * @brief
1278 * Disable transmitter and its encoder
1279 */
dce110_link_encoder_disable_output(struct link_encoder * enc,enum signal_type signal)1280 void dce110_link_encoder_disable_output(
1281 struct link_encoder *enc,
1282 enum signal_type signal)
1283 {
1284 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1285 struct bp_transmitter_control cntl = { 0 };
1286 enum bp_result result;
1287
1288 if (!dce110_is_dig_enabled(enc)) {
1289 /* OF_SKIP_POWER_DOWN_INACTIVE_ENCODER */
1290 return;
1291 }
1292 /* Power-down RX and disable GPU PHY should be paired.
1293 * Disabling PHY without powering down RX may cause
1294 * symbol lock loss, on which we will get DP Sink interrupt. */
1295
1296 /* There is a case for the DP active dongles
1297 * where we want to disable the PHY but keep RX powered,
1298 * for those we need to ignore DP Sink interrupt
1299 * by checking lane count that has been set
1300 * on the last do_enable_output(). */
1301
1302 /* disable transmitter */
1303 cntl.action = TRANSMITTER_CONTROL_DISABLE;
1304 cntl.transmitter = enc110->base.transmitter;
1305 cntl.hpd_sel = enc110->base.hpd_source;
1306 cntl.signal = signal;
1307 cntl.connector_obj_id = enc110->base.connector;
1308
1309 result = link_transmitter_control(enc110, &cntl);
1310
1311 if (result != BP_RESULT_OK) {
1312 DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n",
1313 __func__);
1314 BREAK_TO_DEBUGGER();
1315 return;
1316 }
1317
1318 /* disable encoder */
1319 if (dc_is_dp_signal(signal))
1320 link_encoder_disable(enc110);
1321 }
1322
dce110_link_encoder_dp_set_lane_settings(struct link_encoder * enc,const struct dc_link_settings * link_settings,const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX])1323 void dce110_link_encoder_dp_set_lane_settings(
1324 struct link_encoder *enc,
1325 const struct dc_link_settings *link_settings,
1326 const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX])
1327 {
1328 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1329 union dpcd_training_lane_set training_lane_set = { { 0 } };
1330 int32_t lane = 0;
1331 struct bp_transmitter_control cntl = { 0 };
1332
1333 if (!link_settings) {
1334 BREAK_TO_DEBUGGER();
1335 return;
1336 }
1337
1338 cntl.action = TRANSMITTER_CONTROL_SET_VOLTAGE_AND_PREEMPASIS;
1339 cntl.transmitter = enc110->base.transmitter;
1340 cntl.connector_obj_id = enc110->base.connector;
1341 cntl.lanes_number = link_settings->lane_count;
1342 cntl.hpd_sel = enc110->base.hpd_source;
1343 cntl.pixel_clock = link_settings->link_rate *
1344 LINK_RATE_REF_FREQ_IN_KHZ;
1345
1346 for (lane = 0; lane < link_settings->lane_count; lane++) {
1347 /* translate lane settings */
1348
1349 training_lane_set.bits.VOLTAGE_SWING_SET =
1350 lane_settings[lane].VOLTAGE_SWING;
1351 training_lane_set.bits.PRE_EMPHASIS_SET =
1352 lane_settings[lane].PRE_EMPHASIS;
1353
1354 /* post cursor 2 setting only applies to HBR2 link rate */
1355 if (link_settings->link_rate == LINK_RATE_HIGH2) {
1356 /* this is passed to VBIOS
1357 * to program post cursor 2 level */
1358
1359 training_lane_set.bits.POST_CURSOR2_SET =
1360 lane_settings[lane].POST_CURSOR2;
1361 }
1362
1363 cntl.lane_select = lane;
1364 cntl.lane_settings = training_lane_set.raw;
1365
1366 /* call VBIOS table to set voltage swing and pre-emphasis */
1367 link_transmitter_control(enc110, &cntl);
1368 }
1369 }
1370
1371 /* set DP PHY test and training patterns */
dce110_link_encoder_dp_set_phy_pattern(struct link_encoder * enc,const struct encoder_set_dp_phy_pattern_param * param)1372 void dce110_link_encoder_dp_set_phy_pattern(
1373 struct link_encoder *enc,
1374 const struct encoder_set_dp_phy_pattern_param *param)
1375 {
1376 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1377
1378 switch (param->dp_phy_pattern) {
1379 case DP_TEST_PATTERN_TRAINING_PATTERN1:
1380 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 0);
1381 break;
1382 case DP_TEST_PATTERN_TRAINING_PATTERN2:
1383 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 1);
1384 break;
1385 case DP_TEST_PATTERN_TRAINING_PATTERN3:
1386 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 2);
1387 break;
1388 case DP_TEST_PATTERN_TRAINING_PATTERN4:
1389 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 3);
1390 break;
1391 case DP_TEST_PATTERN_D102:
1392 set_dp_phy_pattern_d102(enc110);
1393 break;
1394 case DP_TEST_PATTERN_SYMBOL_ERROR:
1395 set_dp_phy_pattern_symbol_error(enc110);
1396 break;
1397 case DP_TEST_PATTERN_PRBS7:
1398 set_dp_phy_pattern_prbs7(enc110);
1399 break;
1400 case DP_TEST_PATTERN_80BIT_CUSTOM:
1401 set_dp_phy_pattern_80bit_custom(
1402 enc110, param->custom_pattern);
1403 break;
1404 case DP_TEST_PATTERN_CP2520_1:
1405 set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 1);
1406 break;
1407 case DP_TEST_PATTERN_CP2520_2:
1408 set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 2);
1409 break;
1410 case DP_TEST_PATTERN_CP2520_3:
1411 set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 3);
1412 break;
1413 case DP_TEST_PATTERN_VIDEO_MODE: {
1414 set_dp_phy_pattern_passthrough_mode(
1415 enc110, param->dp_panel_mode);
1416 break;
1417 }
1418
1419 default:
1420 /* invalid phy pattern */
1421 ASSERT_CRITICAL(false);
1422 break;
1423 }
1424 }
1425
1426 #if defined(CONFIG_DRM_AMD_DC_SI)
1427 /* set DP PHY test and training patterns */
dce60_link_encoder_dp_set_phy_pattern(struct link_encoder * enc,const struct encoder_set_dp_phy_pattern_param * param)1428 static void dce60_link_encoder_dp_set_phy_pattern(
1429 struct link_encoder *enc,
1430 const struct encoder_set_dp_phy_pattern_param *param)
1431 {
1432 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1433
1434 switch (param->dp_phy_pattern) {
1435 case DP_TEST_PATTERN_TRAINING_PATTERN1:
1436 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 0);
1437 break;
1438 case DP_TEST_PATTERN_TRAINING_PATTERN2:
1439 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 1);
1440 break;
1441 case DP_TEST_PATTERN_TRAINING_PATTERN3:
1442 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 2);
1443 break;
1444 case DP_TEST_PATTERN_TRAINING_PATTERN4:
1445 dce110_link_encoder_set_dp_phy_pattern_training_pattern(enc, 3);
1446 break;
1447 case DP_TEST_PATTERN_D102:
1448 set_dp_phy_pattern_d102(enc110);
1449 break;
1450 case DP_TEST_PATTERN_SYMBOL_ERROR:
1451 set_dp_phy_pattern_symbol_error(enc110);
1452 break;
1453 case DP_TEST_PATTERN_PRBS7:
1454 set_dp_phy_pattern_prbs7(enc110);
1455 break;
1456 case DP_TEST_PATTERN_80BIT_CUSTOM:
1457 set_dp_phy_pattern_80bit_custom(
1458 enc110, param->custom_pattern);
1459 break;
1460 case DP_TEST_PATTERN_CP2520_1:
1461 dce60_set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 1);
1462 break;
1463 case DP_TEST_PATTERN_CP2520_2:
1464 dce60_set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 2);
1465 break;
1466 case DP_TEST_PATTERN_CP2520_3:
1467 dce60_set_dp_phy_pattern_hbr2_compliance_cp2520_2(enc110, 3);
1468 break;
1469 case DP_TEST_PATTERN_VIDEO_MODE: {
1470 dce60_set_dp_phy_pattern_passthrough_mode(
1471 enc110, param->dp_panel_mode);
1472 break;
1473 }
1474
1475 default:
1476 /* invalid phy pattern */
1477 ASSERT_CRITICAL(false);
1478 break;
1479 }
1480 }
1481 #endif
1482
fill_stream_allocation_row_info(const struct link_mst_stream_allocation * stream_allocation,uint32_t * src,uint32_t * slots)1483 static void fill_stream_allocation_row_info(
1484 const struct link_mst_stream_allocation *stream_allocation,
1485 uint32_t *src,
1486 uint32_t *slots)
1487 {
1488 const struct stream_encoder *stream_enc = stream_allocation->stream_enc;
1489
1490 if (stream_enc) {
1491 *src = stream_enc->id;
1492 *slots = stream_allocation->slot_count;
1493 } else {
1494 *src = 0;
1495 *slots = 0;
1496 }
1497 }
1498
1499 /* programs DP MST VC payload allocation */
dce110_link_encoder_update_mst_stream_allocation_table(struct link_encoder * enc,const struct link_mst_stream_allocation_table * table)1500 void dce110_link_encoder_update_mst_stream_allocation_table(
1501 struct link_encoder *enc,
1502 const struct link_mst_stream_allocation_table *table)
1503 {
1504 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1505 uint32_t value1 = 0;
1506 uint32_t value2 = 0;
1507 uint32_t slots = 0;
1508 uint32_t src = 0;
1509 uint32_t retries = 0;
1510
1511 /* For CZ, there are only 3 pipes. So Virtual channel is up 3.*/
1512
1513 /* --- Set MSE Stream Attribute -
1514 * Setup VC Payload Table on Tx Side,
1515 * Issue allocation change trigger
1516 * to commit payload on both tx and rx side */
1517
1518 /* we should clean-up table each time */
1519
1520 if (table->stream_count >= 1) {
1521 fill_stream_allocation_row_info(
1522 &table->stream_allocations[0],
1523 &src,
1524 &slots);
1525 } else {
1526 src = 0;
1527 slots = 0;
1528 }
1529
1530 REG_UPDATE_2(DP_MSE_SAT0,
1531 DP_MSE_SAT_SRC0, src,
1532 DP_MSE_SAT_SLOT_COUNT0, slots);
1533
1534 if (table->stream_count >= 2) {
1535 fill_stream_allocation_row_info(
1536 &table->stream_allocations[1],
1537 &src,
1538 &slots);
1539 } else {
1540 src = 0;
1541 slots = 0;
1542 }
1543
1544 REG_UPDATE_2(DP_MSE_SAT0,
1545 DP_MSE_SAT_SRC1, src,
1546 DP_MSE_SAT_SLOT_COUNT1, slots);
1547
1548 if (table->stream_count >= 3) {
1549 fill_stream_allocation_row_info(
1550 &table->stream_allocations[2],
1551 &src,
1552 &slots);
1553 } else {
1554 src = 0;
1555 slots = 0;
1556 }
1557
1558 REG_UPDATE_2(DP_MSE_SAT1,
1559 DP_MSE_SAT_SRC2, src,
1560 DP_MSE_SAT_SLOT_COUNT2, slots);
1561
1562 if (table->stream_count >= 4) {
1563 fill_stream_allocation_row_info(
1564 &table->stream_allocations[3],
1565 &src,
1566 &slots);
1567 } else {
1568 src = 0;
1569 slots = 0;
1570 }
1571
1572 REG_UPDATE_2(DP_MSE_SAT1,
1573 DP_MSE_SAT_SRC3, src,
1574 DP_MSE_SAT_SLOT_COUNT3, slots);
1575
1576 /* --- wait for transaction finish */
1577
1578 /* send allocation change trigger (ACT) ?
1579 * this step first sends the ACT,
1580 * then double buffers the SAT into the hardware
1581 * making the new allocation active on the DP MST mode link */
1582
1583
1584 /* DP_MSE_SAT_UPDATE:
1585 * 0 - No Action
1586 * 1 - Update SAT with trigger
1587 * 2 - Update SAT without trigger */
1588
1589 REG_UPDATE(DP_MSE_SAT_UPDATE,
1590 DP_MSE_SAT_UPDATE, 1);
1591
1592 /* wait for update to complete
1593 * (i.e. DP_MSE_SAT_UPDATE field is reset to 0)
1594 * then wait for the transmission
1595 * of at least 16 MTP headers on immediate local link.
1596 * i.e. DP_MSE_16_MTP_KEEPOUT field (read only) is reset to 0
1597 * a value of 1 indicates that DP MST mode
1598 * is in the 16 MTP keepout region after a VC has been added.
1599 * MST stream bandwidth (VC rate) can be configured
1600 * after this bit is cleared */
1601
1602 do {
1603 udelay(10);
1604
1605 REG_READ(DP_MSE_SAT_UPDATE);
1606
1607 REG_GET(DP_MSE_SAT_UPDATE,
1608 DP_MSE_SAT_UPDATE, &value1);
1609
1610 REG_GET(DP_MSE_SAT_UPDATE,
1611 DP_MSE_16_MTP_KEEPOUT, &value2);
1612
1613 /* bit field DP_MSE_SAT_UPDATE is set to 1 already */
1614 if (!value1 && !value2)
1615 break;
1616 ++retries;
1617 } while (retries < DP_MST_UPDATE_MAX_RETRY);
1618 }
1619
dce110_link_encoder_connect_dig_be_to_fe(struct link_encoder * enc,enum engine_id engine,bool connect)1620 void dce110_link_encoder_connect_dig_be_to_fe(
1621 struct link_encoder *enc,
1622 enum engine_id engine,
1623 bool connect)
1624 {
1625 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1626 uint32_t field;
1627
1628 if (engine != ENGINE_ID_UNKNOWN) {
1629
1630 REG_GET(DIG_BE_CNTL, DIG_FE_SOURCE_SELECT, &field);
1631
1632 if (connect)
1633 field |= get_frontend_source(engine);
1634 else
1635 field &= ~get_frontend_source(engine);
1636
1637 REG_UPDATE(DIG_BE_CNTL, DIG_FE_SOURCE_SELECT, field);
1638 }
1639 }
1640
dce110_link_encoder_enable_hpd(struct link_encoder * enc)1641 void dce110_link_encoder_enable_hpd(struct link_encoder *enc)
1642 {
1643 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1644 struct dc_context *ctx = enc110->base.ctx;
1645 uint32_t addr = HPD_REG(DC_HPD_CONTROL);
1646 uint32_t hpd_enable = 0;
1647 uint32_t value = dm_read_reg(ctx, addr);
1648
1649 get_reg_field_value(hpd_enable, DC_HPD_CONTROL, DC_HPD_EN);
1650
1651 if (hpd_enable == 0)
1652 set_reg_field_value(value, 1, DC_HPD_CONTROL, DC_HPD_EN);
1653 }
1654
dce110_link_encoder_disable_hpd(struct link_encoder * enc)1655 void dce110_link_encoder_disable_hpd(struct link_encoder *enc)
1656 {
1657 struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
1658 struct dc_context *ctx = enc110->base.ctx;
1659 uint32_t addr = HPD_REG(DC_HPD_CONTROL);
1660 uint32_t value = dm_read_reg(ctx, addr);
1661
1662 set_reg_field_value(value, 0, DC_HPD_CONTROL, DC_HPD_EN);
1663 }
1664
dce110_link_encoder_get_max_link_cap(struct link_encoder * enc,struct dc_link_settings * link_settings)1665 void dce110_link_encoder_get_max_link_cap(struct link_encoder *enc,
1666 struct dc_link_settings *link_settings)
1667 {
1668 /* Set Default link settings */
1669 struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH,
1670 LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0};
1671
1672 /* Higher link settings based on feature supported */
1673 if (enc->features.flags.bits.IS_HBR2_CAPABLE)
1674 max_link_cap.link_rate = LINK_RATE_HIGH2;
1675
1676 if (enc->features.flags.bits.IS_HBR3_CAPABLE)
1677 max_link_cap.link_rate = LINK_RATE_HIGH3;
1678
1679 *link_settings = max_link_cap;
1680 }
1681
1682 #if defined(CONFIG_DRM_AMD_DC_SI)
1683 static const struct link_encoder_funcs dce60_lnk_enc_funcs = {
1684 .validate_output_with_stream =
1685 dce110_link_encoder_validate_output_with_stream,
1686 .hw_init = dce110_link_encoder_hw_init,
1687 .setup = dce110_link_encoder_setup,
1688 .enable_tmds_output = dce110_link_encoder_enable_tmds_output,
1689 .enable_dp_output = dce60_link_encoder_enable_dp_output,
1690 .enable_dp_mst_output = dce60_link_encoder_enable_dp_mst_output,
1691 .enable_lvds_output = dce110_link_encoder_enable_lvds_output,
1692 .disable_output = dce110_link_encoder_disable_output,
1693 .dp_set_lane_settings = dce110_link_encoder_dp_set_lane_settings,
1694 .dp_set_phy_pattern = dce60_link_encoder_dp_set_phy_pattern,
1695 .update_mst_stream_allocation_table =
1696 dce110_link_encoder_update_mst_stream_allocation_table,
1697 .psr_program_dp_dphy_fast_training =
1698 dce110_psr_program_dp_dphy_fast_training,
1699 .psr_program_secondary_packet = dce110_psr_program_secondary_packet,
1700 .connect_dig_be_to_fe = dce110_link_encoder_connect_dig_be_to_fe,
1701 .enable_hpd = dce110_link_encoder_enable_hpd,
1702 .disable_hpd = dce110_link_encoder_disable_hpd,
1703 .is_dig_enabled = dce110_is_dig_enabled,
1704 .destroy = dce110_link_encoder_destroy,
1705 .get_max_link_cap = dce110_link_encoder_get_max_link_cap,
1706 .get_dig_frontend = dce110_get_dig_frontend
1707 };
1708
dce60_link_encoder_construct(struct dce110_link_encoder * enc110,const struct encoder_init_data * init_data,const struct encoder_feature_support * enc_features,const struct dce110_link_enc_registers * link_regs,const struct dce110_link_enc_aux_registers * aux_regs,const struct dce110_link_enc_hpd_registers * hpd_regs)1709 void dce60_link_encoder_construct(
1710 struct dce110_link_encoder *enc110,
1711 const struct encoder_init_data *init_data,
1712 const struct encoder_feature_support *enc_features,
1713 const struct dce110_link_enc_registers *link_regs,
1714 const struct dce110_link_enc_aux_registers *aux_regs,
1715 const struct dce110_link_enc_hpd_registers *hpd_regs)
1716 {
1717 struct bp_encoder_cap_info bp_cap_info = {0};
1718 const struct dc_vbios_funcs *bp_funcs = init_data->ctx->dc_bios->funcs;
1719 enum bp_result result = BP_RESULT_OK;
1720
1721 enc110->base.funcs = &dce60_lnk_enc_funcs;
1722 enc110->base.ctx = init_data->ctx;
1723 enc110->base.id = init_data->encoder;
1724
1725 enc110->base.hpd_source = init_data->hpd_source;
1726 enc110->base.connector = init_data->connector;
1727
1728 enc110->base.preferred_engine = ENGINE_ID_UNKNOWN;
1729
1730 enc110->base.features = *enc_features;
1731
1732 enc110->base.transmitter = init_data->transmitter;
1733
1734 /* set the flag to indicate whether driver poll the I2C data pin
1735 * while doing the DP sink detect
1736 */
1737
1738 /* if (dal_adapter_service_is_feature_supported(as,
1739 FEATURE_DP_SINK_DETECT_POLL_DATA_PIN))
1740 enc110->base.features.flags.bits.
1741 DP_SINK_DETECT_POLL_DATA_PIN = true;*/
1742
1743 enc110->base.output_signals =
1744 SIGNAL_TYPE_DVI_SINGLE_LINK |
1745 SIGNAL_TYPE_DVI_DUAL_LINK |
1746 SIGNAL_TYPE_LVDS |
1747 SIGNAL_TYPE_DISPLAY_PORT |
1748 SIGNAL_TYPE_DISPLAY_PORT_MST |
1749 SIGNAL_TYPE_EDP |
1750 SIGNAL_TYPE_HDMI_TYPE_A;
1751
1752 /* For DCE 8.0 and 8.1, by design, UNIPHY is hardwired to DIG_BE.
1753 * SW always assign DIG_FE 1:1 mapped to DIG_FE for non-MST UNIPHY.
1754 * SW assign DIG_FE to non-MST UNIPHY first and MST last. So prefer
1755 * DIG is per UNIPHY and used by SST DP, eDP, HDMI, DVI and LVDS.
1756 * Prefer DIG assignment is decided by board design.
1757 * For DCE 8.0, there are only max 6 UNIPHYs, we assume board design
1758 * and VBIOS will filter out 7 UNIPHY for DCE 8.0.
1759 * By this, adding DIGG should not hurt DCE 8.0.
1760 * This will let DCE 8.1 share DCE 8.0 as much as possible
1761 */
1762
1763 enc110->link_regs = link_regs;
1764 enc110->aux_regs = aux_regs;
1765 enc110->hpd_regs = hpd_regs;
1766
1767 switch (enc110->base.transmitter) {
1768 case TRANSMITTER_UNIPHY_A:
1769 enc110->base.preferred_engine = ENGINE_ID_DIGA;
1770 break;
1771 case TRANSMITTER_UNIPHY_B:
1772 enc110->base.preferred_engine = ENGINE_ID_DIGB;
1773 break;
1774 case TRANSMITTER_UNIPHY_C:
1775 enc110->base.preferred_engine = ENGINE_ID_DIGC;
1776 break;
1777 case TRANSMITTER_UNIPHY_D:
1778 enc110->base.preferred_engine = ENGINE_ID_DIGD;
1779 break;
1780 case TRANSMITTER_UNIPHY_E:
1781 enc110->base.preferred_engine = ENGINE_ID_DIGE;
1782 break;
1783 case TRANSMITTER_UNIPHY_F:
1784 enc110->base.preferred_engine = ENGINE_ID_DIGF;
1785 break;
1786 case TRANSMITTER_UNIPHY_G:
1787 enc110->base.preferred_engine = ENGINE_ID_DIGG;
1788 break;
1789 default:
1790 ASSERT_CRITICAL(false);
1791 enc110->base.preferred_engine = ENGINE_ID_UNKNOWN;
1792 }
1793
1794 /* default to one to mirror Windows behavior */
1795 enc110->base.features.flags.bits.HDMI_6GB_EN = 1;
1796
1797 result = bp_funcs->get_encoder_cap_info(enc110->base.ctx->dc_bios,
1798 enc110->base.id, &bp_cap_info);
1799
1800 /* Override features with DCE-specific values */
1801 if (BP_RESULT_OK == result) {
1802 enc110->base.features.flags.bits.IS_HBR2_CAPABLE =
1803 bp_cap_info.DP_HBR2_EN;
1804 enc110->base.features.flags.bits.IS_HBR3_CAPABLE =
1805 bp_cap_info.DP_HBR3_EN;
1806 enc110->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN;
1807 } else {
1808 DC_LOG_WARNING("%s: Failed to get encoder_cap_info from VBIOS with error code %d!\n",
1809 __func__,
1810 result);
1811 }
1812 if (enc110->base.ctx->dc->debug.hdmi20_disable) {
1813 enc110->base.features.flags.bits.HDMI_6GB_EN = 0;
1814 }
1815 }
1816 #endif
1817