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-rw-r--r--sound/pci/hda/patch_nvhdmi.c829
1 files changed, 24 insertions, 805 deletions
diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c
index 1c774f942407..70669a246902 100644
--- a/sound/pci/hda/patch_nvhdmi.c
+++ b/sound/pci/hda/patch_nvhdmi.c
@@ -29,6 +29,15 @@
29#include "hda_codec.h" 29#include "hda_codec.h"
30#include "hda_local.h" 30#include "hda_local.h"
31 31
32#define MAX_HDMI_CVTS 1
33#define MAX_HDMI_PINS 1
34
35#include "patch_hdmi.c"
36
37static char *nvhdmi_pcm_names[MAX_HDMI_CVTS] = {
38 "NVIDIA HDMI",
39};
40
32/* define below to restrict the supported rates and formats */ 41/* define below to restrict the supported rates and formats */
33/* #define LIMITED_RATE_FMT_SUPPORT */ 42/* #define LIMITED_RATE_FMT_SUPPORT */
34 43
@@ -83,802 +92,12 @@ static struct hda_verb nvhdmi_basic_init_7x[] = {
83 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) 92 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
84#endif 93#endif
85 94
86#define NVIDIA_89_HDMI_CVTS 1
87#define NVIDIA_89_HDMI_PINS 1
88
89static char *nvhdmi_pcm_names[NVIDIA_89_HDMI_CVTS] = {
90 "NVIDIA HDMI",
91};
92
93struct nvhdmi_spec {
94 int num_cvts;
95 int num_pins;
96 hda_nid_t cvt[NVIDIA_89_HDMI_CVTS+1]; /* audio sources */
97 hda_nid_t pin[NVIDIA_89_HDMI_PINS+1]; /* audio sinks */
98 hda_nid_t pin_cvt[NVIDIA_89_HDMI_PINS+1];
99 struct hda_pcm pcm_rec[NVIDIA_89_HDMI_CVTS];
100 struct hdmi_eld sink_eld[NVIDIA_89_HDMI_PINS];
101 struct hda_multi_out multiout;
102 unsigned int codec_type;
103};
104
105struct hdmi_audio_infoframe {
106 u8 type; /* 0x84 */
107 u8 ver; /* 0x01 */
108 u8 len; /* 0x0a */
109
110 u8 checksum; /* PB0 */
111 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
112 u8 SS01_SF24;
113 u8 CXT04;
114 u8 CA;
115 u8 LFEPBL01_LSV36_DM_INH7;
116};
117
118/*
119 * CEA speaker placement:
120 *
121 * FLH FCH FRH
122 * FLW FL FLC FC FRC FR FRW
123 *
124 * LFE
125 * TC
126 *
127 * RL RLC RC RRC RR
128 *
129 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
130 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
131 */
132enum cea_speaker_placement {
133 FL = (1 << 0), /* Front Left */
134 FC = (1 << 1), /* Front Center */
135 FR = (1 << 2), /* Front Right */
136 FLC = (1 << 3), /* Front Left Center */
137 FRC = (1 << 4), /* Front Right Center */
138 RL = (1 << 5), /* Rear Left */
139 RC = (1 << 6), /* Rear Center */
140 RR = (1 << 7), /* Rear Right */
141 RLC = (1 << 8), /* Rear Left Center */
142 RRC = (1 << 9), /* Rear Right Center */
143 LFE = (1 << 10), /* Low Frequency Effect */
144 FLW = (1 << 11), /* Front Left Wide */
145 FRW = (1 << 12), /* Front Right Wide */
146 FLH = (1 << 13), /* Front Left High */
147 FCH = (1 << 14), /* Front Center High */
148 FRH = (1 << 15), /* Front Right High */
149 TC = (1 << 16), /* Top Center */
150};
151
152/*
153 * ELD SA bits in the CEA Speaker Allocation data block
154 */
155static int eld_speaker_allocation_bits[] = {
156 [0] = FL | FR,
157 [1] = LFE,
158 [2] = FC,
159 [3] = RL | RR,
160 [4] = RC,
161 [5] = FLC | FRC,
162 [6] = RLC | RRC,
163 /* the following are not defined in ELD yet */
164 [7] = FLW | FRW,
165 [8] = FLH | FRH,
166 [9] = TC,
167 [10] = FCH,
168};
169
170struct cea_channel_speaker_allocation {
171 int ca_index;
172 int speakers[8];
173
174 /* derived values, just for convenience */
175 int channels;
176 int spk_mask;
177};
178
179/*
180 * ALSA sequence is:
181 *
182 * surround40 surround41 surround50 surround51 surround71
183 * ch0 front left = = = =
184 * ch1 front right = = = =
185 * ch2 rear left = = = =
186 * ch3 rear right = = = =
187 * ch4 LFE center center center
188 * ch5 LFE LFE
189 * ch6 side left
190 * ch7 side right
191 *
192 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
193 */
194static int hdmi_channel_mapping[0x32][8] = {
195 /* stereo */
196 [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
197 /* 2.1 */
198 [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
199 /* Dolby Surround */
200 [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
201 /* surround40 */
202 [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
203 /* 4ch */
204 [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
205 /* surround41 */
206 [0x09] = { 0x00, 0x11, 0x24, 0x34, 0x43, 0xf2, 0xf6, 0xf7 },
207 /* surround50 */
208 [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
209 /* surround51 */
210 [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
211 /* 7.1 */
212 [0x13] = { 0x00, 0x11, 0x32, 0x23, 0x64, 0x75, 0x46, 0x57 },
213};
214
215/*
216 * This is an ordered list!
217 *
218 * The preceding ones have better chances to be selected by
219 * hdmi_setup_channel_allocation().
220 */
221static struct cea_channel_speaker_allocation channel_allocations[] = {
222/* channel: 7 6 5 4 3 2 1 0 */
223{ .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
224 /* 2.1 */
225{ .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
226 /* Dolby Surround */
227{ .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
228 /* surround40 */
229{ .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
230 /* surround41 */
231{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
232 /* surround50 */
233{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
234 /* surround51 */
235{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
236 /* 6.1 */
237{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
238 /* surround71 */
239{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
240
241{ .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
242{ .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
243{ .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
244{ .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
245{ .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
246{ .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
247{ .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
248{ .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
249{ .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
250{ .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
251{ .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
252{ .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
253{ .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
254{ .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
255{ .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
256{ .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
257{ .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
258{ .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
259{ .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
260{ .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
261{ .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
262{ .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
263{ .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
264{ .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
265{ .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
266{ .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
267{ .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
268{ .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
269{ .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
270{ .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
271{ .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
272{ .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
273{ .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
274{ .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
275{ .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
276{ .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
277{ .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
278{ .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
279{ .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
280{ .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
281{ .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
282};
283
284/*
285 * HDA/HDMI auto parsing
286 */
287
288static int hda_node_index(hda_nid_t *nids, hda_nid_t nid)
289{
290 int i;
291
292 for (i = 0; nids[i]; i++)
293 if (nids[i] == nid)
294 return i;
295
296 snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid);
297 return -EINVAL;
298}
299
300static int nvhdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid)
301{
302 struct nvhdmi_spec *spec = codec->spec;
303 hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
304 int conn_len, curr;
305 int index;
306
307 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
308 snd_printk(KERN_WARNING
309 "HDMI: pin %d wcaps %#x "
310 "does not support connection list\n",
311 pin_nid, get_wcaps(codec, pin_nid));
312 return -EINVAL;
313 }
314
315 conn_len = snd_hda_get_connections(codec, pin_nid, conn_list,
316 HDA_MAX_CONNECTIONS);
317 if (conn_len > 1)
318 curr = snd_hda_codec_read(codec, pin_nid, 0,
319 AC_VERB_GET_CONNECT_SEL, 0);
320 else
321 curr = 0;
322
323 index = hda_node_index(spec->pin, pin_nid);
324 if (index < 0)
325 return -EINVAL;
326
327 spec->pin_cvt[index] = conn_list[curr];
328
329 return 0;
330}
331
332static void hdmi_get_show_eld(struct hda_codec *codec, hda_nid_t pin_nid,
333 struct hdmi_eld *eld)
334{
335 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
336 snd_hdmi_show_eld(eld);
337}
338
339static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
340 struct hdmi_eld *eld)
341{
342 int present = snd_hda_pin_sense(codec, pin_nid);
343
344 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
345 eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
346
347 if (present & AC_PINSENSE_ELDV)
348 hdmi_get_show_eld(codec, pin_nid, eld);
349}
350
351static int nvhdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
352{
353 struct nvhdmi_spec *spec = codec->spec;
354
355 if (spec->num_pins >= NVIDIA_89_HDMI_PINS) {
356 snd_printk(KERN_WARNING
357 "HDMI: no space for pin %d \n", pin_nid);
358 return -EINVAL;
359 }
360
361 hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]);
362
363 spec->pin[spec->num_pins] = pin_nid;
364 spec->num_pins++;
365
366 /*
367 * It is assumed that converter nodes come first in the node list and
368 * hence have been registered and usable now.
369 */
370 return nvhdmi_read_pin_conn(codec, pin_nid);
371}
372
373static int nvhdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid)
374{
375 struct nvhdmi_spec *spec = codec->spec;
376
377 if (spec->num_cvts >= NVIDIA_89_HDMI_CVTS) {
378 snd_printk(KERN_WARNING
379 "HDMI: no space for converter %d \n", nid);
380 return -EINVAL;
381 }
382
383 spec->cvt[spec->num_cvts] = nid;
384 spec->num_cvts++;
385
386 return 0;
387}
388
389
390static int nvhdmi_parse_codec(struct hda_codec *codec)
391{
392 hda_nid_t nid;
393 int i, nodes;
394
395 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
396 if (!nid || nodes < 0) {
397 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
398 return -EINVAL;
399 }
400
401 for (i = 0; i < nodes; i++, nid++) {
402 unsigned int caps;
403 unsigned int type;
404
405 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
406 type = get_wcaps_type(caps);
407
408 if (!(caps & AC_WCAP_DIGITAL))
409 continue;
410
411 switch (type) {
412 case AC_WID_AUD_OUT:
413 if (nvhdmi_add_cvt(codec, nid) < 0)
414 return -EINVAL;
415 break;
416 case AC_WID_PIN:
417 caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
418 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
419 continue;
420 if (nvhdmi_add_pin(codec, nid) < 0)
421 return -EINVAL;
422 break;
423 }
424 }
425
426 /*
427 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
428 * can be lost and presence sense verb will become inaccurate if the
429 * HDA link is powered off at hot plug or hw initialization time.
430 */
431#ifdef CONFIG_SND_HDA_POWER_SAVE
432 if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
433 AC_PWRST_EPSS))
434 codec->bus->power_keep_link_on = 1;
435#endif
436
437 return 0;
438}
439
440/*
441 * HDMI routines
442 */
443
444#ifdef BE_PARANOID
445static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
446 int *packet_index, int *byte_index)
447{
448 int val;
449
450 val = snd_hda_codec_read(codec, pin_nid, 0,
451 AC_VERB_GET_HDMI_DIP_INDEX, 0);
452
453 *packet_index = val >> 5;
454 *byte_index = val & 0x1f;
455}
456#endif
457
458static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
459 int packet_index, int byte_index)
460{
461 int val;
462
463 val = (packet_index << 5) | (byte_index & 0x1f);
464
465 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
466}
467
468static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
469 unsigned char val)
470{
471 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
472}
473
474static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
475{
476 /* Unmute */
477 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
478 snd_hda_codec_write(codec, pin_nid, 0,
479 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
480 /* Enable pin out */
481 snd_hda_codec_write(codec, pin_nid, 0,
482 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
483}
484
485/*
486 * Enable Audio InfoFrame Transmission
487 */
488static void hdmi_start_infoframe_trans(struct hda_codec *codec,
489 hda_nid_t pin_nid)
490{
491 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
492 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
493 AC_DIPXMIT_BEST);
494}
495
496/*
497 * Disable Audio InfoFrame Transmission
498 */
499static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
500 hda_nid_t pin_nid)
501{
502 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
503 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
504 AC_DIPXMIT_DISABLE);
505}
506
507static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
508{
509 return 1 + snd_hda_codec_read(codec, nid, 0,
510 AC_VERB_GET_CVT_CHAN_COUNT, 0);
511}
512
513static void hdmi_set_channel_count(struct hda_codec *codec,
514 hda_nid_t nid, int chs)
515{
516 if (chs != hdmi_get_channel_count(codec, nid))
517 snd_hda_codec_write(codec, nid, 0,
518 AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
519}
520
521static void hdmi_debug_channel_mapping(struct hda_codec *codec,
522 hda_nid_t pin_nid)
523{
524#ifdef CONFIG_SND_DEBUG_VERBOSE
525 int i;
526 int slot;
527
528 for (i = 0; i < 8; i++) {
529 slot = snd_hda_codec_read(codec, pin_nid, 0,
530 AC_VERB_GET_HDMI_CHAN_SLOT, i);
531 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
532 slot >> 4, slot & 0xf);
533 }
534#endif
535}
536
537
538/*
539 * Audio InfoFrame routines
540 */
541
542static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
543{
544#ifdef CONFIG_SND_DEBUG_VERBOSE
545 int i;
546 int size;
547
548 size = snd_hdmi_get_eld_size(codec, pin_nid);
549 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
550
551 for (i = 0; i < 8; i++) {
552 size = snd_hda_codec_read(codec, pin_nid, 0,
553 AC_VERB_GET_HDMI_DIP_SIZE, i);
554 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
555 }
556#endif
557}
558
559static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
560{
561#ifdef BE_PARANOID
562 int i, j;
563 int size;
564 int pi, bi;
565 for (i = 0; i < 8; i++) {
566 size = snd_hda_codec_read(codec, pin_nid, 0,
567 AC_VERB_GET_HDMI_DIP_SIZE, i);
568 if (size == 0)
569 continue;
570
571 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
572 for (j = 1; j < 1000; j++) {
573 hdmi_write_dip_byte(codec, pin_nid, 0x0);
574 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
575 if (pi != i)
576 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
577 bi, pi, i);
578 if (bi == 0) /* byte index wrapped around */
579 break;
580 }
581 snd_printd(KERN_INFO
582 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
583 i, size, j);
584 }
585#endif
586}
587
588static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *ai)
589{
590 ai->checksum = 0;
591}
592
593static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
594 hda_nid_t pin_nid,
595 struct hdmi_audio_infoframe *ai)
596{
597 u8 *bytes = (u8 *)ai;
598 int i;
599
600 hdmi_debug_dip_size(codec, pin_nid);
601 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
602
603 hdmi_checksum_audio_infoframe(ai);
604
605 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
606 for (i = 0; i < sizeof(*ai); i++)
607 hdmi_write_dip_byte(codec, pin_nid, bytes[i]);
608}
609
610/*
611 * Compute derived values in channel_allocations[].
612 */
613static void init_channel_allocations(void)
614{
615 int i, j;
616 struct cea_channel_speaker_allocation *p;
617
618 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
619 p = channel_allocations + i;
620 p->channels = 0;
621 p->spk_mask = 0;
622 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
623 if (p->speakers[j]) {
624 p->channels++;
625 p->spk_mask |= p->speakers[j];
626 }
627 }
628}
629
630/*
631 * The transformation takes two steps:
632 *
633 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
634 * spk_mask => (channel_allocations[]) => ai->CA
635 *
636 * TODO: it could select the wrong CA from multiple candidates.
637*/
638static int hdmi_setup_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
639 struct hdmi_audio_infoframe *ai)
640{
641 struct nvhdmi_spec *spec = codec->spec;
642 struct hdmi_eld *eld;
643 int i;
644 int spk_mask = 0;
645 int channels = 1 + (ai->CC02_CT47 & 0x7);
646 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
647
648 /*
649 * CA defaults to 0 for basic stereo audio
650 */
651 if (channels <= 2)
652 return 0;
653
654 i = hda_node_index(spec->pin_cvt, nid);
655 if (i < 0)
656 return 0;
657 eld = &spec->sink_eld[i];
658
659 /*
660 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
661 * in console or for audio devices. Assume the highest speakers
662 * configuration, to _not_ prohibit multi-channel audio playback.
663 */
664 if (!eld->spk_alloc)
665 eld->spk_alloc = 0xffff;
666
667 /*
668 * expand ELD's speaker allocation mask
669 *
670 * ELD tells the speaker mask in a compact(paired) form,
671 * expand ELD's notions to match the ones used by Audio InfoFrame.
672 */
673 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
674 if (eld->spk_alloc & (1 << i))
675 spk_mask |= eld_speaker_allocation_bits[i];
676 }
677
678 /* search for the first working match in the CA table */
679 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
680 if (channels == channel_allocations[i].channels &&
681 (spk_mask & channel_allocations[i].spk_mask) ==
682 channel_allocations[i].spk_mask) {
683 ai->CA = channel_allocations[i].ca_index;
684 break;
685 }
686 }
687
688 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
689 snd_printdd(KERN_INFO
690 "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
691 ai->CA, channels, buf);
692
693 return ai->CA;
694}
695
696static void hdmi_setup_channel_mapping(struct hda_codec *codec,
697 hda_nid_t pin_nid,
698 struct hdmi_audio_infoframe *ai)
699{
700 int i;
701 int ca = ai->CA;
702 int err;
703
704 if (hdmi_channel_mapping[ca][1] == 0) {
705 for (i = 0; i < channel_allocations[ca].channels; i++)
706 hdmi_channel_mapping[ca][i] = i | (i << 4);
707 for (; i < 8; i++)
708 hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
709 }
710
711 for (i = 0; i < 8; i++) {
712 err = snd_hda_codec_write(codec, pin_nid, 0,
713 AC_VERB_SET_HDMI_CHAN_SLOT,
714 hdmi_channel_mapping[ca][i]);
715 if (err) {
716 snd_printdd(KERN_INFO "HDMI: channel mapping failed\n");
717 break;
718 }
719 }
720
721 hdmi_debug_channel_mapping(codec, pin_nid);
722}
723
724static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
725 struct hdmi_audio_infoframe *ai)
726{
727 u8 *bytes = (u8 *)ai;
728 u8 val;
729 int i;
730
731 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
732 != AC_DIPXMIT_BEST)
733 return false;
734
735 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
736 for (i = 0; i < sizeof(*ai); i++) {
737 val = snd_hda_codec_read(codec, pin_nid, 0,
738 AC_VERB_GET_HDMI_DIP_DATA, 0);
739 if (val != bytes[i])
740 return false;
741 }
742
743 return true;
744}
745
746static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
747 struct snd_pcm_substream *substream)
748{
749 struct nvhdmi_spec *spec = codec->spec;
750 hda_nid_t pin_nid;
751 int i;
752 struct hdmi_audio_infoframe ai = {
753 .type = 0x84,
754 .ver = 0x01,
755 .len = 0x0a,
756 .CC02_CT47 = substream->runtime->channels - 1,
757 };
758
759 hdmi_setup_channel_allocation(codec, nid, &ai);
760
761 for (i = 0; i < spec->num_pins; i++) {
762 if (spec->pin_cvt[i] != nid)
763 continue;
764 if (!spec->sink_eld[i].monitor_present)
765 continue;
766
767 pin_nid = spec->pin[i];
768 if (!hdmi_infoframe_uptodate(codec, pin_nid, &ai)) {
769 hdmi_setup_channel_mapping(codec, pin_nid, &ai);
770 hdmi_stop_infoframe_trans(codec, pin_nid);
771 hdmi_fill_audio_infoframe(codec, pin_nid, &ai);
772 hdmi_start_infoframe_trans(codec, pin_nid);
773 }
774 }
775}
776
777/*
778 * Unsolicited events
779 */
780
781static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
782{
783 struct nvhdmi_spec *spec = codec->spec;
784 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
785 int pind = !!(res & AC_UNSOL_RES_PD);
786 int eldv = !!(res & AC_UNSOL_RES_ELDV);
787 int index;
788
789 printk(KERN_INFO
790 "HDMI hot plug event: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
791 tag, pind, eldv);
792
793 index = hda_node_index(spec->pin, tag);
794 if (index < 0)
795 return;
796
797 spec->sink_eld[index].monitor_present = pind;
798 spec->sink_eld[index].eld_valid = eldv;
799
800 if (eldv) {
801 spec->sink_eld[index].monitor_present = 1;
802 hdmi_get_show_eld(codec, spec->pin[index],
803 &spec->sink_eld[index]);
804 /* TODO: do real things about ELD */
805 }
806}
807
808static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
809{
810 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
811 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
812 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
813 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
814
815 printk(KERN_INFO
816 "HDMI CP event: PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
817 tag,
818 subtag,
819 cp_state,
820 cp_ready);
821
822 /* TODO */
823 if (cp_state)
824 ;
825 if (cp_ready)
826 ;
827}
828
829static void nvhdmi_unsol_event(struct hda_codec *codec, unsigned int res)
830{
831 struct nvhdmi_spec *spec = codec->spec;
832 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
833 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
834
835 if (hda_node_index(spec->pin, tag) < 0) {
836 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
837 return;
838 }
839
840 if (subtag == 0)
841 hdmi_intrinsic_event(codec, res);
842 else
843 hdmi_non_intrinsic_event(codec, res);
844}
845
846/*
847 * Callbacks
848 */
849
850static void hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
851 u32 stream_tag, int format)
852{
853 int tag;
854 int fmt;
855
856 tag = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0) >> 4;
857 fmt = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_STREAM_FORMAT, 0);
858
859 snd_printdd("hdmi_setup_stream: "
860 "NID=0x%x, %sstream=0x%x, %sformat=0x%x\n",
861 nid,
862 tag == stream_tag ? "" : "new-",
863 stream_tag,
864 fmt == format ? "" : "new-",
865 format);
866
867 if (tag != stream_tag)
868 snd_hda_codec_write(codec, nid, 0,
869 AC_VERB_SET_CHANNEL_STREAMID,
870 stream_tag << 4);
871 if (fmt != format)
872 snd_hda_codec_write(codec, nid, 0,
873 AC_VERB_SET_STREAM_FORMAT, format);
874}
875
876/* 95/*
877 * Controls 96 * Controls
878 */ 97 */
879static int nvhdmi_build_controls(struct hda_codec *codec) 98static int nvhdmi_build_controls(struct hda_codec *codec)
880{ 99{
881 struct nvhdmi_spec *spec = codec->spec; 100 struct hdmi_spec *spec = codec->spec;
882 int err; 101 int err;
883 int i; 102 int i;
884 103
@@ -902,7 +121,7 @@ static int nvhdmi_build_controls(struct hda_codec *codec)
902 121
903static int nvhdmi_init(struct hda_codec *codec) 122static int nvhdmi_init(struct hda_codec *codec)
904{ 123{
905 struct nvhdmi_spec *spec = codec->spec; 124 struct hdmi_spec *spec = codec->spec;
906 int i; 125 int i;
907 if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89) 126 if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89)
908 || (spec->codec_type == HDA_CODEC_NVIDIA_GT21X)) { 127 || (spec->codec_type == HDA_CODEC_NVIDIA_GT21X)) {
@@ -920,7 +139,7 @@ static int nvhdmi_init(struct hda_codec *codec)
920 139
921static void nvhdmi_free(struct hda_codec *codec) 140static void nvhdmi_free(struct hda_codec *codec)
922{ 141{
923 struct nvhdmi_spec *spec = codec->spec; 142 struct hdmi_spec *spec = codec->spec;
924 int i; 143 int i;
925 144
926 if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89) 145 if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89)
@@ -939,7 +158,7 @@ static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
939 struct hda_codec *codec, 158 struct hda_codec *codec,
940 struct snd_pcm_substream *substream) 159 struct snd_pcm_substream *substream)
941{ 160{
942 struct nvhdmi_spec *spec = codec->spec; 161 struct hdmi_spec *spec = codec->spec;
943 return snd_hda_multi_out_dig_open(codec, &spec->multiout); 162 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
944} 163}
945 164
@@ -947,7 +166,7 @@ static int nvhdmi_dig_playback_pcm_close_8ch_7x(struct hda_pcm_stream *hinfo,
947 struct hda_codec *codec, 166 struct hda_codec *codec,
948 struct snd_pcm_substream *substream) 167 struct snd_pcm_substream *substream)
949{ 168{
950 struct nvhdmi_spec *spec = codec->spec; 169 struct hdmi_spec *spec = codec->spec;
951 int i; 170 int i;
952 171
953 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 172 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
@@ -968,7 +187,7 @@ static int nvhdmi_dig_playback_pcm_close_2ch(struct hda_pcm_stream *hinfo,
968 struct hda_codec *codec, 187 struct hda_codec *codec,
969 struct snd_pcm_substream *substream) 188 struct snd_pcm_substream *substream)
970{ 189{
971 struct nvhdmi_spec *spec = codec->spec; 190 struct hdmi_spec *spec = codec->spec;
972 return snd_hda_multi_out_dig_close(codec, &spec->multiout); 191 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
973} 192}
974 193
@@ -1121,7 +340,7 @@ static int nvhdmi_dig_playback_pcm_prepare_2ch(struct hda_pcm_stream *hinfo,
1121 unsigned int format, 340 unsigned int format,
1122 struct snd_pcm_substream *substream) 341 struct snd_pcm_substream *substream)
1123{ 342{
1124 struct nvhdmi_spec *spec = codec->spec; 343 struct hdmi_spec *spec = codec->spec;
1125 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag, 344 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
1126 format, substream); 345 format, substream);
1127} 346}
@@ -1170,7 +389,7 @@ static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
1170 389
1171static int nvhdmi_build_pcms_8ch_89(struct hda_codec *codec) 390static int nvhdmi_build_pcms_8ch_89(struct hda_codec *codec)
1172{ 391{
1173 struct nvhdmi_spec *spec = codec->spec; 392 struct hdmi_spec *spec = codec->spec;
1174 struct hda_pcm *info = spec->pcm_rec; 393 struct hda_pcm *info = spec->pcm_rec;
1175 int i; 394 int i;
1176 395
@@ -1196,7 +415,7 @@ static int nvhdmi_build_pcms_8ch_89(struct hda_codec *codec)
1196 415
1197static int nvhdmi_build_pcms_8ch_7x(struct hda_codec *codec) 416static int nvhdmi_build_pcms_8ch_7x(struct hda_codec *codec)
1198{ 417{
1199 struct nvhdmi_spec *spec = codec->spec; 418 struct hdmi_spec *spec = codec->spec;
1200 struct hda_pcm *info = spec->pcm_rec; 419 struct hda_pcm *info = spec->pcm_rec;
1201 420
1202 codec->num_pcms = 1; 421 codec->num_pcms = 1;
@@ -1212,7 +431,7 @@ static int nvhdmi_build_pcms_8ch_7x(struct hda_codec *codec)
1212 431
1213static int nvhdmi_build_pcms_2ch(struct hda_codec *codec) 432static int nvhdmi_build_pcms_2ch(struct hda_codec *codec)
1214{ 433{
1215 struct nvhdmi_spec *spec = codec->spec; 434 struct hdmi_spec *spec = codec->spec;
1216 struct hda_pcm *info = spec->pcm_rec; 435 struct hda_pcm *info = spec->pcm_rec;
1217 436
1218 codec->num_pcms = 1; 437 codec->num_pcms = 1;
@@ -1231,7 +450,7 @@ static struct hda_codec_ops nvhdmi_patch_ops_8ch_89 = {
1231 .build_pcms = nvhdmi_build_pcms_8ch_89, 450 .build_pcms = nvhdmi_build_pcms_8ch_89,
1232 .init = nvhdmi_init, 451 .init = nvhdmi_init,
1233 .free = nvhdmi_free, 452 .free = nvhdmi_free,
1234 .unsol_event = nvhdmi_unsol_event, 453 .unsol_event = hdmi_unsol_event,
1235}; 454};
1236 455
1237static struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = { 456static struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
@@ -1250,7 +469,7 @@ static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
1250 469
1251static int patch_nvhdmi_8ch_89(struct hda_codec *codec) 470static int patch_nvhdmi_8ch_89(struct hda_codec *codec)
1252{ 471{
1253 struct nvhdmi_spec *spec; 472 struct hdmi_spec *spec;
1254 int i; 473 int i;
1255 474
1256 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 475 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
@@ -1260,7 +479,7 @@ static int patch_nvhdmi_8ch_89(struct hda_codec *codec)
1260 codec->spec = spec; 479 codec->spec = spec;
1261 spec->codec_type = HDA_CODEC_NVIDIA_MCP89; 480 spec->codec_type = HDA_CODEC_NVIDIA_MCP89;
1262 481
1263 if (nvhdmi_parse_codec(codec) < 0) { 482 if (hdmi_parse_codec(codec) < 0) {
1264 codec->spec = NULL; 483 codec->spec = NULL;
1265 kfree(spec); 484 kfree(spec);
1266 return -EINVAL; 485 return -EINVAL;
@@ -1277,7 +496,7 @@ static int patch_nvhdmi_8ch_89(struct hda_codec *codec)
1277 496
1278static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) 497static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1279{ 498{
1280 struct nvhdmi_spec *spec; 499 struct hdmi_spec *spec;
1281 500
1282 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 501 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1283 if (spec == NULL) 502 if (spec == NULL)
@@ -1297,7 +516,7 @@ static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1297 516
1298static int patch_nvhdmi_2ch(struct hda_codec *codec) 517static int patch_nvhdmi_2ch(struct hda_codec *codec)
1299{ 518{
1300 struct nvhdmi_spec *spec; 519 struct hdmi_spec *spec;
1301 520
1302 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 521 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1303 if (spec == NULL) 522 if (spec == NULL)
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-20 03:28:11 -0500