3 * patch_intelhdmi.c - Patch for Intel HDMI codecs
5 * Copyright(c) 2008 Intel Corporation. All rights reserved.
8 * Jiang Zhe <zhe.jiang@intel.com>
9 * Wu Fengguang <wfg@linux.intel.com>
12 * Wu Fengguang <wfg@linux.intel.com>
14 * This program is free software; you can redistribute it and/or modify it
15 * under the terms of the GNU General Public License as published by the Free
16 * Software Foundation; either version 2 of the License, or (at your option)
19 * This program is distributed in the hope that it will be useful, but
20 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
21 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 #include <linux/init.h>
30 #include <linux/delay.h>
31 #include <linux/slab.h>
32 #include <sound/core.h>
33 #include "hda_codec.h"
34 #include "hda_local.h"
37 * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
38 * could support two independent pipes, each of them can be connected to one or
39 * more ports (DVI, HDMI or DisplayPort).
41 * The HDA correspondence of pipes/ports are converter/pin nodes.
43 #define INTEL_HDMI_CVTS 2
44 #define INTEL_HDMI_PINS 3
46 static char *intel_hdmi_pcm_names[INTEL_HDMI_CVTS] = {
51 struct intel_hdmi_spec {
54 hda_nid_t cvt[INTEL_HDMI_CVTS+1]; /* audio sources */
55 hda_nid_t pin[INTEL_HDMI_PINS+1]; /* audio sinks */
58 * source connection for each pin
60 hda_nid_t pin_cvt[INTEL_HDMI_PINS+1];
63 * HDMI sink attached to each pin
65 bool sink_present[INTEL_HDMI_PINS];
66 bool sink_eldv[INTEL_HDMI_PINS];
67 struct hdmi_eld sink_eld[INTEL_HDMI_PINS];
70 * export one pcm per pipe
72 struct hda_pcm pcm_rec[INTEL_HDMI_CVTS];
75 struct hdmi_audio_infoframe {
80 u8 checksum; /* PB0 */
81 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
85 u8 LFEPBL01_LSV36_DM_INH7;
86 u8 reserved[5]; /* PB6 - PB10 */
90 * CEA speaker placement:
93 * FLW FL FLC FC FRC FR FRW
100 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
101 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
103 enum cea_speaker_placement {
104 FL = (1 << 0), /* Front Left */
105 FC = (1 << 1), /* Front Center */
106 FR = (1 << 2), /* Front Right */
107 FLC = (1 << 3), /* Front Left Center */
108 FRC = (1 << 4), /* Front Right Center */
109 RL = (1 << 5), /* Rear Left */
110 RC = (1 << 6), /* Rear Center */
111 RR = (1 << 7), /* Rear Right */
112 RLC = (1 << 8), /* Rear Left Center */
113 RRC = (1 << 9), /* Rear Right Center */
114 LFE = (1 << 10), /* Low Frequency Effect */
115 FLW = (1 << 11), /* Front Left Wide */
116 FRW = (1 << 12), /* Front Right Wide */
117 FLH = (1 << 13), /* Front Left High */
118 FCH = (1 << 14), /* Front Center High */
119 FRH = (1 << 15), /* Front Right High */
120 TC = (1 << 16), /* Top Center */
124 * ELD SA bits in the CEA Speaker Allocation data block
126 static int eld_speaker_allocation_bits[] = {
134 /* the following are not defined in ELD yet */
141 struct cea_channel_speaker_allocation {
145 /* derived values, just for convenience */
151 * This is an ordered list!
153 * The preceding ones have better chances to be selected by
154 * hdmi_setup_channel_allocation().
156 static struct cea_channel_speaker_allocation channel_allocations[] = {
157 /* channel: 8 7 6 5 4 3 2 1 */
158 { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
160 { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
162 { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
163 { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
164 { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
165 { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
166 { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
167 { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
168 { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
169 { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
170 { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
172 { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
173 { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
174 { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
175 { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
177 { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
178 { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
179 { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
180 { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
182 { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
183 { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
184 { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
185 { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
186 { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
187 { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
188 { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
189 { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
190 { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
191 { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
192 { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
193 { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
194 { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
195 { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
196 { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
197 { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
198 { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
199 { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
200 { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
201 { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
202 { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
203 { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
204 { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
205 { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
206 { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
207 { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
208 { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
209 { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
210 { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
211 { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
212 { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
217 * HDA/HDMI auto parsing
220 static int hda_node_index(hda_nid_t *nids, hda_nid_t nid)
224 for (i = 0; nids[i]; i++)
228 snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid);
232 static int intel_hdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid)
234 struct intel_hdmi_spec *spec = codec->spec;
235 hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
239 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
240 snd_printk(KERN_WARNING
241 "HDMI: pin %d wcaps %#x "
242 "does not support connection list\n",
243 pin_nid, get_wcaps(codec, pin_nid));
247 conn_len = snd_hda_get_connections(codec, pin_nid, conn_list,
248 HDA_MAX_CONNECTIONS);
250 curr = snd_hda_codec_read(codec, pin_nid, 0,
251 AC_VERB_GET_CONNECT_SEL, 0);
255 index = hda_node_index(spec->pin, pin_nid);
259 spec->pin_cvt[index] = conn_list[curr];
264 static int intel_hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
266 struct intel_hdmi_spec *spec = codec->spec;
268 if (spec->num_pins >= INTEL_HDMI_PINS) {
269 snd_printk(KERN_WARNING
270 "HDMI: no space for pin %d \n", pin_nid);
274 spec->pin[spec->num_pins] = pin_nid;
278 * It is assumed that converter nodes come first in the node list and
279 * hence have been registered and usable now.
281 return intel_hdmi_read_pin_conn(codec, pin_nid);
284 static int intel_hdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid)
286 struct intel_hdmi_spec *spec = codec->spec;
288 if (spec->num_cvts >= INTEL_HDMI_CVTS) {
289 snd_printk(KERN_WARNING
290 "HDMI: no space for converter %d \n", nid);
294 spec->cvt[spec->num_cvts] = nid;
300 static int intel_hdmi_parse_codec(struct hda_codec *codec)
305 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
306 if (!nid || nodes < 0) {
307 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
311 for (i = 0; i < nodes; i++, nid++) {
315 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
316 type = get_wcaps_type(caps);
318 if (!(caps & AC_WCAP_DIGITAL))
323 if (intel_hdmi_add_cvt(codec, nid) < 0)
327 caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
328 if (!(caps & AC_PINCAP_HDMI))
330 if (intel_hdmi_add_pin(codec, nid) < 0)
344 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
345 int *packet_index, int *byte_index)
349 val = snd_hda_codec_read(codec, pin_nid, 0,
350 AC_VERB_GET_HDMI_DIP_INDEX, 0);
352 *packet_index = val >> 5;
353 *byte_index = val & 0x1f;
357 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
358 int packet_index, int byte_index)
362 val = (packet_index << 5) | (byte_index & 0x1f);
364 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
367 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
370 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
373 static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
376 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
377 snd_hda_codec_write(codec, pin_nid, 0,
378 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
380 snd_hda_codec_write(codec, pin_nid, 0,
381 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
385 * Enable Audio InfoFrame Transmission
387 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
390 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
391 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
396 * Disable Audio InfoFrame Transmission
398 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
401 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
402 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
406 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
408 return 1 + snd_hda_codec_read(codec, nid, 0,
409 AC_VERB_GET_CVT_CHAN_COUNT, 0);
412 static void hdmi_set_channel_count(struct hda_codec *codec,
413 hda_nid_t nid, int chs)
415 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
417 #ifdef CONFIG_SND_DEBUG_VERBOSE
418 if (chs != hdmi_get_channel_count(codec, nid))
419 snd_printd(KERN_INFO "HDMI channel count: expect %d, get %d\n",
420 chs, hdmi_get_channel_count(codec, nid));
424 static void hdmi_debug_channel_mapping(struct hda_codec *codec, hda_nid_t nid)
426 #ifdef CONFIG_SND_DEBUG_VERBOSE
430 for (i = 0; i < 8; i++) {
431 slot = snd_hda_codec_read(codec, nid, 0,
432 AC_VERB_GET_HDMI_CHAN_SLOT, i);
433 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
434 slot >> 4, slot & 0x7);
439 static void hdmi_parse_eld(struct hda_codec *codec, int index)
441 struct intel_hdmi_spec *spec = codec->spec;
442 struct hdmi_eld *eld = &spec->sink_eld[index];
444 if (!snd_hdmi_get_eld(eld, codec, spec->pin[index]))
445 snd_hdmi_show_eld(eld);
450 * Audio InfoFrame routines
453 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
455 #ifdef CONFIG_SND_DEBUG_VERBOSE
459 size = snd_hdmi_get_eld_size(codec, pin_nid);
460 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
462 for (i = 0; i < 8; i++) {
463 size = snd_hda_codec_read(codec, pin_nid, 0,
464 AC_VERB_GET_HDMI_DIP_SIZE, i);
465 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
470 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
476 for (i = 0; i < 8; i++) {
477 size = snd_hda_codec_read(codec, pin_nid, 0,
478 AC_VERB_GET_HDMI_DIP_SIZE, i);
482 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
483 for (j = 1; j < 1000; j++) {
484 hdmi_write_dip_byte(codec, pin_nid, 0x0);
485 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
487 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
489 if (bi == 0) /* byte index wrapped around */
493 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
499 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
501 struct hdmi_audio_infoframe *ai)
503 u8 *params = (u8 *)ai;
507 hdmi_debug_dip_size(codec, pin_nid);
508 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
510 for (i = 0; i < sizeof(ai); i++)
512 ai->checksum = - sum;
514 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
515 for (i = 0; i < sizeof(ai); i++)
516 hdmi_write_dip_byte(codec, pin_nid, params[i]);
520 * Compute derived values in channel_allocations[].
522 static void init_channel_allocations(void)
525 struct cea_channel_speaker_allocation *p;
527 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
528 p = channel_allocations + i;
531 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
532 if (p->speakers[j]) {
534 p->spk_mask |= p->speakers[j];
540 * The transformation takes two steps:
542 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
543 * spk_mask => (channel_allocations[]) => ai->CA
545 * TODO: it could select the wrong CA from multiple candidates.
547 static int hdmi_setup_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
548 struct hdmi_audio_infoframe *ai)
550 struct intel_hdmi_spec *spec = codec->spec;
551 struct hdmi_eld *eld;
554 int channels = 1 + (ai->CC02_CT47 & 0x7);
555 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
558 * CA defaults to 0 for basic stereo audio
563 i = hda_node_index(spec->pin_cvt, nid);
566 eld = &spec->sink_eld[i];
569 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
570 * in console or for audio devices. Assume the highest speakers
571 * configuration, to _not_ prohibit multi-channel audio playback.
574 eld->spk_alloc = 0xffff;
577 * expand ELD's speaker allocation mask
579 * ELD tells the speaker mask in a compact(paired) form,
580 * expand ELD's notions to match the ones used by Audio InfoFrame.
582 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
583 if (eld->spk_alloc & (1 << i))
584 spk_mask |= eld_speaker_allocation_bits[i];
587 /* search for the first working match in the CA table */
588 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
589 if (channels == channel_allocations[i].channels &&
590 (spk_mask & channel_allocations[i].spk_mask) ==
591 channel_allocations[i].spk_mask) {
592 ai->CA = channel_allocations[i].ca_index;
597 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
598 snd_printdd(KERN_INFO
599 "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
600 ai->CA, channels, buf);
605 static void hdmi_setup_channel_mapping(struct hda_codec *codec, hda_nid_t nid,
606 struct hdmi_audio_infoframe *ai)
614 * TODO: adjust channel mapping if necessary
615 * ALSA sequence is front/surr/clfe/side?
618 for (i = 0; i < 8; i++)
619 snd_hda_codec_write(codec, nid, 0,
620 AC_VERB_SET_HDMI_CHAN_SLOT,
623 hdmi_debug_channel_mapping(codec, nid);
627 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
628 struct snd_pcm_substream *substream)
630 struct intel_hdmi_spec *spec = codec->spec;
633 struct hdmi_audio_infoframe ai = {
637 .CC02_CT47 = substream->runtime->channels - 1,
640 hdmi_setup_channel_allocation(codec, nid, &ai);
641 hdmi_setup_channel_mapping(codec, nid, &ai);
643 for (i = 0; i < spec->num_pins; i++) {
644 if (spec->pin_cvt[i] != nid)
646 if (spec->sink_present[i] != true)
649 pin_nid = spec->pin[i];
650 hdmi_fill_audio_infoframe(codec, pin_nid, &ai);
651 hdmi_start_infoframe_trans(codec, pin_nid);
660 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
662 struct intel_hdmi_spec *spec = codec->spec;
663 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
664 int pind = !!(res & AC_UNSOL_RES_PD);
665 int eldv = !!(res & AC_UNSOL_RES_ELDV);
669 "HDMI hot plug event: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
672 index = hda_node_index(spec->pin, tag);
676 spec->sink_present[index] = pind;
677 spec->sink_eldv[index] = eldv;
680 hdmi_parse_eld(codec, index);
681 /* TODO: do real things about ELD */
685 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
687 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
688 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
689 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
690 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
693 "HDMI CP event: PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
707 static void intel_hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
709 struct intel_hdmi_spec *spec = codec->spec;
710 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
711 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
713 if (hda_node_index(spec->pin, tag) < 0) {
714 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
719 hdmi_intrinsic_event(codec, res);
721 hdmi_non_intrinsic_event(codec, res);
728 static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
729 struct hda_codec *codec,
730 unsigned int stream_tag,
732 struct snd_pcm_substream *substream)
734 hdmi_set_channel_count(codec, hinfo->nid,
735 substream->runtime->channels);
737 hdmi_setup_audio_infoframe(codec, hinfo->nid, substream);
739 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
743 static int intel_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
744 struct hda_codec *codec,
745 struct snd_pcm_substream *substream)
747 struct intel_hdmi_spec *spec = codec->spec;
750 for (i = 0; i < spec->num_pins; i++) {
751 if (spec->pin_cvt[i] != hinfo->nid)
754 hdmi_stop_infoframe_trans(codec, spec->pin[i]);
757 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
761 static struct hda_pcm_stream intel_hdmi_pcm_playback = {
765 .prepare = intel_hdmi_playback_pcm_prepare,
766 .cleanup = intel_hdmi_playback_pcm_cleanup,
770 static int intel_hdmi_build_pcms(struct hda_codec *codec)
772 struct intel_hdmi_spec *spec = codec->spec;
773 struct hda_pcm *info = spec->pcm_rec;
776 codec->num_pcms = spec->num_cvts;
777 codec->pcm_info = info;
779 for (i = 0; i < codec->num_pcms; i++, info++) {
782 chans = get_wcaps(codec, spec->cvt[i]);
783 chans = get_wcaps_channels(chans);
785 info->name = intel_hdmi_pcm_names[i];
786 info->pcm_type = HDA_PCM_TYPE_HDMI;
787 info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
788 intel_hdmi_pcm_playback;
789 info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->cvt[i];
790 info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
796 static int intel_hdmi_build_controls(struct hda_codec *codec)
798 struct intel_hdmi_spec *spec = codec->spec;
802 for (i = 0; i < codec->num_pcms; i++) {
803 err = snd_hda_create_spdif_out_ctls(codec, spec->cvt[i]);
811 static int intel_hdmi_init(struct hda_codec *codec)
813 struct intel_hdmi_spec *spec = codec->spec;
816 for (i = 0; spec->pin[i]; i++) {
817 hdmi_enable_output(codec, spec->pin[i]);
818 snd_hda_codec_write(codec, spec->pin[i], 0,
819 AC_VERB_SET_UNSOLICITED_ENABLE,
820 AC_USRSP_EN | spec->pin[i]);
825 static void intel_hdmi_free(struct hda_codec *codec)
827 struct intel_hdmi_spec *spec = codec->spec;
830 for (i = 0; i < spec->num_pins; i++)
831 snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);
836 static struct hda_codec_ops intel_hdmi_patch_ops = {
837 .init = intel_hdmi_init,
838 .free = intel_hdmi_free,
839 .build_pcms = intel_hdmi_build_pcms,
840 .build_controls = intel_hdmi_build_controls,
841 .unsol_event = intel_hdmi_unsol_event,
844 static int patch_intel_hdmi(struct hda_codec *codec)
846 struct intel_hdmi_spec *spec;
849 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
854 if (intel_hdmi_parse_codec(codec) < 0) {
859 codec->patch_ops = intel_hdmi_patch_ops;
861 for (i = 0; i < spec->num_pins; i++)
862 snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i);
864 init_channel_allocations();
869 static struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
870 { .id = 0x808629fb, .name = "G45 DEVCL", .patch = patch_intel_hdmi },
871 { .id = 0x80862801, .name = "G45 DEVBLC", .patch = patch_intel_hdmi },
872 { .id = 0x80862802, .name = "G45 DEVCTG", .patch = patch_intel_hdmi },
873 { .id = 0x80862803, .name = "G45 DEVELK", .patch = patch_intel_hdmi },
874 { .id = 0x80862804, .name = "G45 DEVIBX", .patch = patch_intel_hdmi },
875 { .id = 0x80860054, .name = "Q57 DEVIBX", .patch = patch_intel_hdmi },
876 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_intel_hdmi },
880 MODULE_ALIAS("snd-hda-codec-id:808629fb");
881 MODULE_ALIAS("snd-hda-codec-id:80862801");
882 MODULE_ALIAS("snd-hda-codec-id:80862802");
883 MODULE_ALIAS("snd-hda-codec-id:80862803");
884 MODULE_ALIAS("snd-hda-codec-id:80862804");
885 MODULE_ALIAS("snd-hda-codec-id:80860054");
886 MODULE_ALIAS("snd-hda-codec-id:10951392");
888 MODULE_LICENSE("GPL");
889 MODULE_DESCRIPTION("Intel HDMI HD-audio codec");
891 static struct hda_codec_preset_list intel_list = {
892 .preset = snd_hda_preset_intelhdmi,
893 .owner = THIS_MODULE,
896 static int __init patch_intelhdmi_init(void)
898 return snd_hda_add_codec_preset(&intel_list);
901 static void __exit patch_intelhdmi_exit(void)
903 snd_hda_delete_codec_preset(&intel_list);
906 module_init(patch_intelhdmi_init)
907 module_exit(patch_intelhdmi_exit)