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 struct hdmi_eld sink_eld[INTEL_HDMI_PINS];
68 * export one pcm per pipe
70 struct hda_pcm pcm_rec[INTEL_HDMI_CVTS];
73 struct hdmi_audio_infoframe {
78 u8 checksum; /* PB0 */
79 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
83 u8 LFEPBL01_LSV36_DM_INH7;
84 u8 reserved[5]; /* PB6 - PB10 */
88 * CEA speaker placement:
91 * FLW FL FLC FC FRC FR FRW
98 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
99 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
101 enum cea_speaker_placement {
102 FL = (1 << 0), /* Front Left */
103 FC = (1 << 1), /* Front Center */
104 FR = (1 << 2), /* Front Right */
105 FLC = (1 << 3), /* Front Left Center */
106 FRC = (1 << 4), /* Front Right Center */
107 RL = (1 << 5), /* Rear Left */
108 RC = (1 << 6), /* Rear Center */
109 RR = (1 << 7), /* Rear Right */
110 RLC = (1 << 8), /* Rear Left Center */
111 RRC = (1 << 9), /* Rear Right Center */
112 LFE = (1 << 10), /* Low Frequency Effect */
113 FLW = (1 << 11), /* Front Left Wide */
114 FRW = (1 << 12), /* Front Right Wide */
115 FLH = (1 << 13), /* Front Left High */
116 FCH = (1 << 14), /* Front Center High */
117 FRH = (1 << 15), /* Front Right High */
118 TC = (1 << 16), /* Top Center */
122 * ELD SA bits in the CEA Speaker Allocation data block
124 static int eld_speaker_allocation_bits[] = {
132 /* the following are not defined in ELD yet */
139 struct cea_channel_speaker_allocation {
143 /* derived values, just for convenience */
149 * This is an ordered list!
151 * The preceding ones have better chances to be selected by
152 * hdmi_setup_channel_allocation().
154 static struct cea_channel_speaker_allocation channel_allocations[] = {
155 /* channel: 8 7 6 5 4 3 2 1 */
156 { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
158 { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
160 { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
161 { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
162 { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
163 { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
164 { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
165 { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
166 { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
167 { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
168 { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
170 { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
171 { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
172 { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
173 { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
175 { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
176 { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
177 { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
178 { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
180 { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
181 { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
182 { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
183 { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
184 { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
185 { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
186 { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
187 { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
188 { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
189 { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
190 { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
191 { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
192 { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
193 { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
194 { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
195 { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
196 { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
197 { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
198 { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
199 { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
200 { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
201 { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
202 { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
203 { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
204 { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
205 { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
206 { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
207 { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
208 { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
209 { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
210 { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
215 * HDA/HDMI auto parsing
218 static int hda_node_index(hda_nid_t *nids, hda_nid_t nid)
222 for (i = 0; nids[i]; i++)
226 snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid);
230 static int intel_hdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid)
232 struct intel_hdmi_spec *spec = codec->spec;
233 hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
237 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
238 snd_printk(KERN_WARNING
239 "HDMI: pin %d wcaps %#x "
240 "does not support connection list\n",
241 pin_nid, get_wcaps(codec, pin_nid));
245 conn_len = snd_hda_get_connections(codec, pin_nid, conn_list,
246 HDA_MAX_CONNECTIONS);
248 curr = snd_hda_codec_read(codec, pin_nid, 0,
249 AC_VERB_GET_CONNECT_SEL, 0);
253 index = hda_node_index(spec->pin, pin_nid);
257 spec->pin_cvt[index] = conn_list[curr];
262 static void hdmi_get_show_eld(struct hda_codec *codec, hda_nid_t pin_nid,
263 struct hdmi_eld *eld)
265 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
266 snd_hdmi_show_eld(eld);
269 static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
270 struct hdmi_eld *eld)
272 int present = snd_hda_pin_sense(codec, pin_nid);
274 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
275 eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
277 if (present & AC_PINSENSE_ELDV)
278 hdmi_get_show_eld(codec, pin_nid, eld);
281 static int intel_hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
283 struct intel_hdmi_spec *spec = codec->spec;
285 if (spec->num_pins >= INTEL_HDMI_PINS) {
286 snd_printk(KERN_WARNING
287 "HDMI: no space for pin %d \n", pin_nid);
291 hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]);
293 spec->pin[spec->num_pins] = pin_nid;
297 * It is assumed that converter nodes come first in the node list and
298 * hence have been registered and usable now.
300 return intel_hdmi_read_pin_conn(codec, pin_nid);
303 static int intel_hdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid)
305 struct intel_hdmi_spec *spec = codec->spec;
307 if (spec->num_cvts >= INTEL_HDMI_CVTS) {
308 snd_printk(KERN_WARNING
309 "HDMI: no space for converter %d \n", nid);
313 spec->cvt[spec->num_cvts] = nid;
319 static int intel_hdmi_parse_codec(struct hda_codec *codec)
324 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
325 if (!nid || nodes < 0) {
326 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
330 for (i = 0; i < nodes; i++, nid++) {
334 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
335 type = get_wcaps_type(caps);
337 if (!(caps & AC_WCAP_DIGITAL))
342 if (intel_hdmi_add_cvt(codec, nid) < 0)
346 caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
347 if (!(caps & AC_PINCAP_HDMI))
349 if (intel_hdmi_add_pin(codec, nid) < 0)
363 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
364 int *packet_index, int *byte_index)
368 val = snd_hda_codec_read(codec, pin_nid, 0,
369 AC_VERB_GET_HDMI_DIP_INDEX, 0);
371 *packet_index = val >> 5;
372 *byte_index = val & 0x1f;
376 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
377 int packet_index, int byte_index)
381 val = (packet_index << 5) | (byte_index & 0x1f);
383 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
386 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
389 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
392 static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
395 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
396 snd_hda_codec_write(codec, pin_nid, 0,
397 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
399 snd_hda_codec_write(codec, pin_nid, 0,
400 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
404 * Enable Audio InfoFrame Transmission
406 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
409 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
410 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
415 * Disable Audio InfoFrame Transmission
417 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
420 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
421 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
425 #ifdef CONFIG_SND_DEBUG_VERBOSE
426 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
428 return 1 + snd_hda_codec_read(codec, nid, 0,
429 AC_VERB_GET_CVT_CHAN_COUNT, 0);
433 static void hdmi_set_channel_count(struct hda_codec *codec,
434 hda_nid_t nid, int chs)
436 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
438 #ifdef CONFIG_SND_DEBUG_VERBOSE
439 if (chs != hdmi_get_channel_count(codec, nid))
440 snd_printd(KERN_INFO "HDMI channel count: expect %d, get %d\n",
441 chs, hdmi_get_channel_count(codec, nid));
445 static void hdmi_debug_channel_mapping(struct hda_codec *codec, hda_nid_t nid)
447 #ifdef CONFIG_SND_DEBUG_VERBOSE
451 for (i = 0; i < 8; i++) {
452 slot = snd_hda_codec_read(codec, nid, 0,
453 AC_VERB_GET_HDMI_CHAN_SLOT, i);
454 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
455 slot >> 4, slot & 0xf);
462 * Audio InfoFrame routines
465 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
467 #ifdef CONFIG_SND_DEBUG_VERBOSE
471 size = snd_hdmi_get_eld_size(codec, pin_nid);
472 printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
474 for (i = 0; i < 8; i++) {
475 size = snd_hda_codec_read(codec, pin_nid, 0,
476 AC_VERB_GET_HDMI_DIP_SIZE, i);
477 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
482 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
488 for (i = 0; i < 8; i++) {
489 size = snd_hda_codec_read(codec, pin_nid, 0,
490 AC_VERB_GET_HDMI_DIP_SIZE, i);
494 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
495 for (j = 1; j < 1000; j++) {
496 hdmi_write_dip_byte(codec, pin_nid, 0x0);
497 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
499 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
501 if (bi == 0) /* byte index wrapped around */
505 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
511 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *ai)
513 u8 *bytes = (u8 *)ai;
519 for (i = 0; i < sizeof(*ai); i++)
522 ai->checksum = - sum;
525 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
527 struct hdmi_audio_infoframe *ai)
529 u8 *bytes = (u8 *)ai;
532 hdmi_debug_dip_size(codec, pin_nid);
533 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
535 hdmi_checksum_audio_infoframe(ai);
537 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
538 for (i = 0; i < sizeof(*ai); i++)
539 hdmi_write_dip_byte(codec, pin_nid, bytes[i]);
543 * Compute derived values in channel_allocations[].
545 static void init_channel_allocations(void)
548 struct cea_channel_speaker_allocation *p;
550 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
551 p = channel_allocations + i;
554 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
555 if (p->speakers[j]) {
557 p->spk_mask |= p->speakers[j];
563 * The transformation takes two steps:
565 * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
566 * spk_mask => (channel_allocations[]) => ai->CA
568 * TODO: it could select the wrong CA from multiple candidates.
570 static int hdmi_setup_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
571 struct hdmi_audio_infoframe *ai)
573 struct intel_hdmi_spec *spec = codec->spec;
574 struct hdmi_eld *eld;
577 int channels = 1 + (ai->CC02_CT47 & 0x7);
578 char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
581 * CA defaults to 0 for basic stereo audio
586 i = hda_node_index(spec->pin_cvt, nid);
589 eld = &spec->sink_eld[i];
592 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
593 * in console or for audio devices. Assume the highest speakers
594 * configuration, to _not_ prohibit multi-channel audio playback.
597 eld->spk_alloc = 0xffff;
600 * expand ELD's speaker allocation mask
602 * ELD tells the speaker mask in a compact(paired) form,
603 * expand ELD's notions to match the ones used by Audio InfoFrame.
605 for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
606 if (eld->spk_alloc & (1 << i))
607 spk_mask |= eld_speaker_allocation_bits[i];
610 /* search for the first working match in the CA table */
611 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
612 if (channels == channel_allocations[i].channels &&
613 (spk_mask & channel_allocations[i].spk_mask) ==
614 channel_allocations[i].spk_mask) {
615 ai->CA = channel_allocations[i].ca_index;
620 snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
621 snd_printdd(KERN_INFO
622 "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
623 ai->CA, channels, buf);
628 static void hdmi_setup_channel_mapping(struct hda_codec *codec, hda_nid_t nid,
629 struct hdmi_audio_infoframe *ai)
637 * TODO: adjust channel mapping if necessary
638 * ALSA sequence is front/surr/clfe/side?
641 for (i = 0; i < 8; i++)
642 snd_hda_codec_write(codec, nid, 0,
643 AC_VERB_SET_HDMI_CHAN_SLOT,
646 hdmi_debug_channel_mapping(codec, nid);
650 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
651 struct snd_pcm_substream *substream)
653 struct intel_hdmi_spec *spec = codec->spec;
656 struct hdmi_audio_infoframe ai = {
660 .CC02_CT47 = substream->runtime->channels - 1,
663 hdmi_setup_channel_allocation(codec, nid, &ai);
664 hdmi_setup_channel_mapping(codec, nid, &ai);
666 for (i = 0; i < spec->num_pins; i++) {
667 if (spec->pin_cvt[i] != nid)
669 if (!spec->sink_eld[i].monitor_present)
672 pin_nid = spec->pin[i];
673 hdmi_fill_audio_infoframe(codec, pin_nid, &ai);
674 hdmi_start_infoframe_trans(codec, pin_nid);
683 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
685 struct intel_hdmi_spec *spec = codec->spec;
686 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
687 int pind = !!(res & AC_UNSOL_RES_PD);
688 int eldv = !!(res & AC_UNSOL_RES_ELDV);
692 "HDMI hot plug event: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
695 index = hda_node_index(spec->pin, tag);
699 spec->sink_eld[index].monitor_present = pind;
700 spec->sink_eld[index].eld_valid = eldv;
703 hdmi_get_show_eld(codec, spec->pin[index], &spec->sink_eld[index]);
704 /* TODO: do real things about ELD */
708 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
710 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
711 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
712 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
713 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
716 "HDMI CP event: PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
730 static void intel_hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
732 struct intel_hdmi_spec *spec = codec->spec;
733 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
734 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
736 if (hda_node_index(spec->pin, tag) < 0) {
737 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
742 hdmi_intrinsic_event(codec, res);
744 hdmi_non_intrinsic_event(codec, res);
751 static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
752 struct hda_codec *codec,
753 unsigned int stream_tag,
755 struct snd_pcm_substream *substream)
757 hdmi_set_channel_count(codec, hinfo->nid,
758 substream->runtime->channels);
760 hdmi_setup_audio_infoframe(codec, hinfo->nid, substream);
762 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
766 static int intel_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
767 struct hda_codec *codec,
768 struct snd_pcm_substream *substream)
770 struct intel_hdmi_spec *spec = codec->spec;
773 for (i = 0; i < spec->num_pins; i++) {
774 if (spec->pin_cvt[i] != hinfo->nid)
777 hdmi_stop_infoframe_trans(codec, spec->pin[i]);
780 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
784 static struct hda_pcm_stream intel_hdmi_pcm_playback = {
788 .prepare = intel_hdmi_playback_pcm_prepare,
789 .cleanup = intel_hdmi_playback_pcm_cleanup,
793 static int intel_hdmi_build_pcms(struct hda_codec *codec)
795 struct intel_hdmi_spec *spec = codec->spec;
796 struct hda_pcm *info = spec->pcm_rec;
799 codec->num_pcms = spec->num_cvts;
800 codec->pcm_info = info;
802 for (i = 0; i < codec->num_pcms; i++, info++) {
805 chans = get_wcaps(codec, spec->cvt[i]);
806 chans = get_wcaps_channels(chans);
808 info->name = intel_hdmi_pcm_names[i];
809 info->pcm_type = HDA_PCM_TYPE_HDMI;
810 info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
811 intel_hdmi_pcm_playback;
812 info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->cvt[i];
813 info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
819 static int intel_hdmi_build_controls(struct hda_codec *codec)
821 struct intel_hdmi_spec *spec = codec->spec;
825 for (i = 0; i < codec->num_pcms; i++) {
826 err = snd_hda_create_spdif_out_ctls(codec, spec->cvt[i]);
834 static int intel_hdmi_init(struct hda_codec *codec)
836 struct intel_hdmi_spec *spec = codec->spec;
839 for (i = 0; spec->pin[i]; i++) {
840 hdmi_enable_output(codec, spec->pin[i]);
841 snd_hda_codec_write(codec, spec->pin[i], 0,
842 AC_VERB_SET_UNSOLICITED_ENABLE,
843 AC_USRSP_EN | spec->pin[i]);
848 static void intel_hdmi_free(struct hda_codec *codec)
850 struct intel_hdmi_spec *spec = codec->spec;
853 for (i = 0; i < spec->num_pins; i++)
854 snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);
859 static struct hda_codec_ops intel_hdmi_patch_ops = {
860 .init = intel_hdmi_init,
861 .free = intel_hdmi_free,
862 .build_pcms = intel_hdmi_build_pcms,
863 .build_controls = intel_hdmi_build_controls,
864 .unsol_event = intel_hdmi_unsol_event,
867 static int patch_intel_hdmi(struct hda_codec *codec)
869 struct intel_hdmi_spec *spec;
872 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
877 if (intel_hdmi_parse_codec(codec) < 0) {
882 codec->patch_ops = intel_hdmi_patch_ops;
884 for (i = 0; i < spec->num_pins; i++)
885 snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i);
887 init_channel_allocations();
892 static struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
893 { .id = 0x808629fb, .name = "G45 DEVCL", .patch = patch_intel_hdmi },
894 { .id = 0x80862801, .name = "G45 DEVBLC", .patch = patch_intel_hdmi },
895 { .id = 0x80862802, .name = "G45 DEVCTG", .patch = patch_intel_hdmi },
896 { .id = 0x80862803, .name = "G45 DEVELK", .patch = patch_intel_hdmi },
897 { .id = 0x80862804, .name = "G45 DEVIBX", .patch = patch_intel_hdmi },
898 { .id = 0x80860054, .name = "Q57 DEVIBX", .patch = patch_intel_hdmi },
899 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_intel_hdmi },
903 MODULE_ALIAS("snd-hda-codec-id:808629fb");
904 MODULE_ALIAS("snd-hda-codec-id:80862801");
905 MODULE_ALIAS("snd-hda-codec-id:80862802");
906 MODULE_ALIAS("snd-hda-codec-id:80862803");
907 MODULE_ALIAS("snd-hda-codec-id:80862804");
908 MODULE_ALIAS("snd-hda-codec-id:80860054");
909 MODULE_ALIAS("snd-hda-codec-id:10951392");
911 MODULE_LICENSE("GPL");
912 MODULE_DESCRIPTION("Intel HDMI HD-audio codec");
914 static struct hda_codec_preset_list intel_list = {
915 .preset = snd_hda_preset_intelhdmi,
916 .owner = THIS_MODULE,
919 static int __init patch_intelhdmi_init(void)
921 return snd_hda_add_codec_preset(&intel_list);
924 static void __exit patch_intelhdmi_exit(void)
926 snd_hda_delete_codec_preset(&intel_list);
929 module_init(patch_intelhdmi_init)
930 module_exit(patch_intelhdmi_exit)