3 * patch_hdmi.c - routines for HDMI/DisplayPort codecs
5 * Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
6 * Copyright (c) 2006 ATI Technologies Inc.
7 * Copyright (c) 2008 NVIDIA Corp. All rights reserved.
8 * Copyright (c) 2008 Wei Ni <wni@nvidia.com>
9 * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
12 * Wu Fengguang <wfg@linux.intel.com>
15 * Wu Fengguang <wfg@linux.intel.com>
17 * This program is free software; you can redistribute it and/or modify it
18 * under the terms of the GNU General Public License as published by the Free
19 * Software Foundation; either version 2 of the License, or (at your option)
22 * This program is distributed in the hope that it will be useful, but
23 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
24 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software Foundation,
29 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32 #include <linux/init.h>
33 #include <linux/delay.h>
34 #include <linux/slab.h>
35 #include <linux/module.h>
36 #include <sound/core.h>
37 #include <sound/jack.h>
38 #include <sound/asoundef.h>
39 #include <sound/tlv.h>
40 #include <sound/hdaudio.h>
41 #include <sound/hda_i915.h>
42 #include <sound/hda_chmap.h>
43 #include "hda_codec.h"
44 #include "hda_local.h"
47 static bool static_hdmi_pcm;
48 module_param(static_hdmi_pcm, bool, 0644);
49 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
51 #define is_haswell(codec) ((codec)->core.vendor_id == 0x80862807)
52 #define is_broadwell(codec) ((codec)->core.vendor_id == 0x80862808)
53 #define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809)
54 #define is_broxton(codec) ((codec)->core.vendor_id == 0x8086280a)
55 #define is_kabylake(codec) ((codec)->core.vendor_id == 0x8086280b)
56 #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
57 || is_skylake(codec) || is_broxton(codec) \
58 || is_kabylake(codec))
60 #define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
61 #define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
62 #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
64 struct hdmi_spec_per_cvt {
67 unsigned int channels_min;
68 unsigned int channels_max;
74 /* max. connections to a widget */
75 #define HDA_MAX_CONNECTIONS 32
77 struct hdmi_spec_per_pin {
79 /* pin idx, different device entries on the same pin use the same idx */
82 hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
86 struct hda_codec *codec;
87 struct hdmi_eld sink_eld;
89 struct delayed_work work;
90 struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
91 int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
93 bool setup; /* the stream has been set up by prepare callback */
94 int channels; /* current number of channels */
96 bool chmap_set; /* channel-map override by ALSA API? */
97 unsigned char chmap[8]; /* ALSA API channel-map */
98 #ifdef CONFIG_SND_PROC_FS
99 struct snd_info_entry *proc_entry;
103 /* operations used by generic code that can be overridden by patches */
105 int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
106 unsigned char *buf, int *eld_size);
108 void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
109 int ca, int active_channels, int conn_type);
111 /* enable/disable HBR (HD passthrough) */
112 int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr);
114 int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
115 hda_nid_t pin_nid, u32 stream_tag, int format);
121 struct snd_jack *jack;
122 struct snd_kcontrol *eld_ctl;
127 struct snd_array cvts; /* struct hdmi_spec_per_cvt */
128 hda_nid_t cvt_nids[4]; /* only for haswell fix */
131 struct snd_array pins; /* struct hdmi_spec_per_pin */
132 struct hdmi_pcm pcm_rec[16];
133 struct mutex pcm_lock;
134 /* pcm_bitmap means which pcms have been assigned to pins*/
135 unsigned long pcm_bitmap;
136 int pcm_used; /* counter of pcm_rec[] */
137 /* bitmap shows whether the pcm is opened in user space
138 * bit 0 means the first playback PCM (PCM3);
139 * bit 1 means the second playback PCM, and so on.
141 unsigned long pcm_in_use;
143 struct hdmi_eld temp_eld;
149 * Non-generic VIA/NVIDIA specific
151 struct hda_multi_out multiout;
152 struct hda_pcm_stream pcm_playback;
154 /* i915/powerwell (Haswell+/Valleyview+) specific */
155 bool use_acomp_notifier; /* use i915 eld_notify callback for hotplug */
156 struct i915_audio_component_audio_ops i915_audio_ops;
157 bool i915_bound; /* was i915 bound in this driver? */
159 struct hdac_chmap chmap;
162 #ifdef CONFIG_SND_HDA_I915
163 static inline bool codec_has_acomp(struct hda_codec *codec)
165 struct hdmi_spec *spec = codec->spec;
166 return spec->use_acomp_notifier;
169 #define codec_has_acomp(codec) false
172 struct hdmi_audio_infoframe {
179 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */
183 u8 LFEPBL01_LSV36_DM_INH7;
186 struct dp_audio_infoframe {
189 u8 ver; /* 0x11 << 2 */
191 u8 CC02_CT47; /* match with HDMI infoframe from this on */
195 u8 LFEPBL01_LSV36_DM_INH7;
198 union audio_infoframe {
199 struct hdmi_audio_infoframe hdmi;
200 struct dp_audio_infoframe dp;
208 #define get_pin(spec, idx) \
209 ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
210 #define get_cvt(spec, idx) \
211 ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx))
212 /* obtain hdmi_pcm object assigned to idx */
213 #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx])
214 /* obtain hda_pcm object assigned to idx */
215 #define get_pcm_rec(spec, idx) (get_hdmi_pcm(spec, idx)->pcm)
217 static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
219 struct hdmi_spec *spec = codec->spec;
222 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
223 if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
226 codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
230 static int hinfo_to_pcm_index(struct hda_codec *codec,
231 struct hda_pcm_stream *hinfo)
233 struct hdmi_spec *spec = codec->spec;
236 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++)
237 if (get_pcm_rec(spec, pcm_idx)->stream == hinfo)
240 codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
244 static int hinfo_to_pin_index(struct hda_codec *codec,
245 struct hda_pcm_stream *hinfo)
247 struct hdmi_spec *spec = codec->spec;
248 struct hdmi_spec_per_pin *per_pin;
251 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
252 per_pin = get_pin(spec, pin_idx);
254 per_pin->pcm->pcm->stream == hinfo)
258 codec_dbg(codec, "HDMI: hinfo %p not registered\n", hinfo);
262 static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec,
266 struct hdmi_spec_per_pin *per_pin;
268 for (i = 0; i < spec->num_pins; i++) {
269 per_pin = get_pin(spec, i);
270 if (per_pin->pcm_idx == pcm_idx)
276 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
278 struct hdmi_spec *spec = codec->spec;
281 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
282 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
285 codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
289 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
290 struct snd_ctl_elem_info *uinfo)
292 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
293 struct hdmi_spec *spec = codec->spec;
294 struct hdmi_spec_per_pin *per_pin;
295 struct hdmi_eld *eld;
298 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
300 pcm_idx = kcontrol->private_value;
301 mutex_lock(&spec->pcm_lock);
302 per_pin = pcm_idx_to_pin(spec, pcm_idx);
304 /* no pin is bound to the pcm */
306 mutex_unlock(&spec->pcm_lock);
309 eld = &per_pin->sink_eld;
310 uinfo->count = eld->eld_valid ? eld->eld_size : 0;
311 mutex_unlock(&spec->pcm_lock);
316 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
317 struct snd_ctl_elem_value *ucontrol)
319 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
320 struct hdmi_spec *spec = codec->spec;
321 struct hdmi_spec_per_pin *per_pin;
322 struct hdmi_eld *eld;
325 pcm_idx = kcontrol->private_value;
326 mutex_lock(&spec->pcm_lock);
327 per_pin = pcm_idx_to_pin(spec, pcm_idx);
329 /* no pin is bound to the pcm */
330 memset(ucontrol->value.bytes.data, 0,
331 ARRAY_SIZE(ucontrol->value.bytes.data));
332 mutex_unlock(&spec->pcm_lock);
335 eld = &per_pin->sink_eld;
337 if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
338 eld->eld_size > ELD_MAX_SIZE) {
339 mutex_unlock(&spec->pcm_lock);
344 memset(ucontrol->value.bytes.data, 0,
345 ARRAY_SIZE(ucontrol->value.bytes.data));
347 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
349 mutex_unlock(&spec->pcm_lock);
354 static struct snd_kcontrol_new eld_bytes_ctl = {
355 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
356 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
358 .info = hdmi_eld_ctl_info,
359 .get = hdmi_eld_ctl_get,
362 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx,
365 struct snd_kcontrol *kctl;
366 struct hdmi_spec *spec = codec->spec;
369 kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
372 kctl->private_value = pcm_idx;
373 kctl->id.device = device;
375 /* no pin nid is associated with the kctl now
376 * tbd: associate pin nid to eld ctl later
378 err = snd_hda_ctl_add(codec, 0, kctl);
382 get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl;
387 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
388 int *packet_index, int *byte_index)
392 val = snd_hda_codec_read(codec, pin_nid, 0,
393 AC_VERB_GET_HDMI_DIP_INDEX, 0);
395 *packet_index = val >> 5;
396 *byte_index = val & 0x1f;
400 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
401 int packet_index, int byte_index)
405 val = (packet_index << 5) | (byte_index & 0x1f);
407 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
410 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
413 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
416 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
418 struct hdmi_spec *spec = codec->spec;
422 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
423 snd_hda_codec_write(codec, pin_nid, 0,
424 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
426 if (spec->dyn_pin_out)
427 /* Disable pin out until stream is active */
430 /* Enable pin out: some machines with GM965 gets broken output
431 * when the pin is disabled or changed while using with HDMI
435 snd_hda_codec_write(codec, pin_nid, 0,
436 AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
443 #ifdef CONFIG_SND_PROC_FS
444 static void print_eld_info(struct snd_info_entry *entry,
445 struct snd_info_buffer *buffer)
447 struct hdmi_spec_per_pin *per_pin = entry->private_data;
449 mutex_lock(&per_pin->lock);
450 snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
451 mutex_unlock(&per_pin->lock);
454 static void write_eld_info(struct snd_info_entry *entry,
455 struct snd_info_buffer *buffer)
457 struct hdmi_spec_per_pin *per_pin = entry->private_data;
459 mutex_lock(&per_pin->lock);
460 snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
461 mutex_unlock(&per_pin->lock);
464 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
467 struct hda_codec *codec = per_pin->codec;
468 struct snd_info_entry *entry;
471 snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
472 err = snd_card_proc_new(codec->card, name, &entry);
476 snd_info_set_text_ops(entry, per_pin, print_eld_info);
477 entry->c.text.write = write_eld_info;
478 entry->mode |= S_IWUSR;
479 per_pin->proc_entry = entry;
484 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
486 if (!per_pin->codec->bus->shutdown) {
487 snd_info_free_entry(per_pin->proc_entry);
488 per_pin->proc_entry = NULL;
492 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
497 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
503 * Audio InfoFrame routines
507 * Enable Audio InfoFrame Transmission
509 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
512 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
513 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
518 * Disable Audio InfoFrame Transmission
520 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
523 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
524 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
528 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
530 #ifdef CONFIG_SND_DEBUG_VERBOSE
534 size = snd_hdmi_get_eld_size(codec, pin_nid);
535 codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
537 for (i = 0; i < 8; i++) {
538 size = snd_hda_codec_read(codec, pin_nid, 0,
539 AC_VERB_GET_HDMI_DIP_SIZE, i);
540 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
545 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
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);
557 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
558 for (j = 1; j < 1000; j++) {
559 hdmi_write_dip_byte(codec, pin_nid, 0x0);
560 hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
562 codec_dbg(codec, "dip index %d: %d != %d\n",
564 if (bi == 0) /* byte index wrapped around */
568 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
574 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
576 u8 *bytes = (u8 *)hdmi_ai;
580 hdmi_ai->checksum = 0;
582 for (i = 0; i < sizeof(*hdmi_ai); i++)
585 hdmi_ai->checksum = -sum;
588 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
594 hdmi_debug_dip_size(codec, pin_nid);
595 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
597 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
598 for (i = 0; i < size; i++)
599 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
602 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
608 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
612 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
613 for (i = 0; i < size; i++) {
614 val = snd_hda_codec_read(codec, pin_nid, 0,
615 AC_VERB_GET_HDMI_DIP_DATA, 0);
623 static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
625 int ca, int active_channels,
628 union audio_infoframe ai;
630 memset(&ai, 0, sizeof(ai));
631 if (conn_type == 0) { /* HDMI */
632 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
634 hdmi_ai->type = 0x84;
637 hdmi_ai->CC02_CT47 = active_channels - 1;
639 hdmi_checksum_audio_infoframe(hdmi_ai);
640 } else if (conn_type == 1) { /* DisplayPort */
641 struct dp_audio_infoframe *dp_ai = &ai.dp;
645 dp_ai->ver = 0x11 << 2;
646 dp_ai->CC02_CT47 = active_channels - 1;
649 codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
655 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
656 * sizeof(*dp_ai) to avoid partial match/update problems when
657 * the user switches between HDMI/DP monitors.
659 if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
662 "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
664 active_channels, ca);
665 hdmi_stop_infoframe_trans(codec, pin_nid);
666 hdmi_fill_audio_infoframe(codec, pin_nid,
667 ai.bytes, sizeof(ai));
668 hdmi_start_infoframe_trans(codec, pin_nid);
672 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
673 struct hdmi_spec_per_pin *per_pin,
676 struct hdmi_spec *spec = codec->spec;
677 struct hdac_chmap *chmap = &spec->chmap;
678 hda_nid_t pin_nid = per_pin->pin_nid;
679 int channels = per_pin->channels;
681 struct hdmi_eld *eld;
687 if (is_haswell_plus(codec))
688 snd_hda_codec_write(codec, pin_nid, 0,
689 AC_VERB_SET_AMP_GAIN_MUTE,
692 eld = &per_pin->sink_eld;
694 ca = snd_hdac_channel_allocation(&codec->core,
695 eld->info.spk_alloc, channels,
696 per_pin->chmap_set, non_pcm, per_pin->chmap);
698 active_channels = snd_hdac_get_active_channels(ca);
700 chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid,
704 * always configure channel mapping, it may have been changed by the
705 * user in the meantime
707 snd_hdac_setup_channel_mapping(&spec->chmap,
708 pin_nid, non_pcm, ca, channels,
709 per_pin->chmap, per_pin->chmap_set);
711 spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
712 eld->info.conn_type);
714 per_pin->non_pcm = non_pcm;
721 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
723 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid)
725 struct hdmi_spec *spec = codec->spec;
726 int pin_idx = pin_nid_to_pin_index(codec, nid);
730 if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
731 snd_hda_jack_report_sync(codec);
734 static void jack_callback(struct hda_codec *codec,
735 struct hda_jack_callback *jack)
737 check_presence_and_report(codec, jack->nid);
740 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
742 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
743 struct hda_jack_tbl *jack;
744 int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
746 jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
749 jack->jack_dirty = 1;
752 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
753 codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
754 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
756 check_presence_and_report(codec, jack->nid);
759 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
761 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
762 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
763 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
764 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
767 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
782 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
784 int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
785 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
787 if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
788 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
793 hdmi_intrinsic_event(codec, res);
795 hdmi_non_intrinsic_event(codec, res);
798 static void haswell_verify_D0(struct hda_codec *codec,
799 hda_nid_t cvt_nid, hda_nid_t nid)
803 /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
804 * thus pins could only choose converter 0 for use. Make sure the
805 * converters are in correct power state */
806 if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
807 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
809 if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
810 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
813 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
814 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
815 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
823 /* HBR should be Non-PCM, 8 channels */
824 #define is_hbr_format(format) \
825 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
827 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
830 int pinctl, new_pinctl;
832 if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
833 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
834 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
837 return hbr ? -EINVAL : 0;
839 new_pinctl = pinctl & ~AC_PINCTL_EPT;
841 new_pinctl |= AC_PINCTL_EPT_HBR;
843 new_pinctl |= AC_PINCTL_EPT_NATIVE;
846 "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
848 pinctl == new_pinctl ? "" : "new-",
851 if (pinctl != new_pinctl)
852 snd_hda_codec_write(codec, pin_nid, 0,
853 AC_VERB_SET_PIN_WIDGET_CONTROL,
861 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
862 hda_nid_t pin_nid, u32 stream_tag, int format)
864 struct hdmi_spec *spec = codec->spec;
867 if (is_haswell_plus(codec))
868 haswell_verify_D0(codec, cvt_nid, pin_nid);
870 err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
873 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
877 snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
881 /* Try to find an available converter
882 * If pin_idx is less then zero, just try to find an available converter.
883 * Otherwise, try to find an available converter and get the cvt mux index
886 static int hdmi_choose_cvt(struct hda_codec *codec,
887 int pin_idx, int *cvt_id, int *mux_id)
889 struct hdmi_spec *spec = codec->spec;
890 struct hdmi_spec_per_pin *per_pin;
891 struct hdmi_spec_per_cvt *per_cvt = NULL;
892 int cvt_idx, mux_idx = 0;
894 /* pin_idx < 0 means no pin will be bound to the converter */
898 per_pin = get_pin(spec, pin_idx);
900 /* Dynamically assign converter to stream */
901 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
902 per_cvt = get_cvt(spec, cvt_idx);
904 /* Must not already be assigned */
905 if (per_cvt->assigned)
909 /* Must be in pin's mux's list of converters */
910 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
911 if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
913 /* Not in mux list */
914 if (mux_idx == per_pin->num_mux_nids)
919 /* No free converters */
920 if (cvt_idx == spec->num_cvts)
924 per_pin->mux_idx = mux_idx;
934 /* Assure the pin select the right convetor */
935 static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
936 struct hdmi_spec_per_pin *per_pin)
938 hda_nid_t pin_nid = per_pin->pin_nid;
941 mux_idx = per_pin->mux_idx;
942 curr = snd_hda_codec_read(codec, pin_nid, 0,
943 AC_VERB_GET_CONNECT_SEL, 0);
945 snd_hda_codec_write_cache(codec, pin_nid, 0,
946 AC_VERB_SET_CONNECT_SEL,
950 /* get the mux index for the converter of the pins
951 * converter's mux index is the same for all pins on Intel platform
953 static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec,
958 for (i = 0; i < spec->num_cvts; i++)
959 if (spec->cvt_nids[i] == cvt_nid)
964 /* Intel HDMI workaround to fix audio routing issue:
965 * For some Intel display codecs, pins share the same connection list.
966 * So a conveter can be selected by multiple pins and playback on any of these
967 * pins will generate sound on the external display, because audio flows from
968 * the same converter to the display pipeline. Also muting one pin may make
969 * other pins have no sound output.
970 * So this function assures that an assigned converter for a pin is not selected
973 static void intel_not_share_assigned_cvt(struct hda_codec *codec,
974 hda_nid_t pin_nid, int mux_idx)
976 struct hdmi_spec *spec = codec->spec;
979 struct hdmi_spec_per_cvt *per_cvt;
981 /* configure all pins, including "no physical connection" ones */
982 for_each_hda_codec_node(nid, codec) {
983 unsigned int wid_caps = get_wcaps(codec, nid);
984 unsigned int wid_type = get_wcaps_type(wid_caps);
986 if (wid_type != AC_WID_PIN)
992 curr = snd_hda_codec_read(codec, nid, 0,
993 AC_VERB_GET_CONNECT_SEL, 0);
997 /* choose an unassigned converter. The conveters in the
998 * connection list are in the same order as in the codec.
1000 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1001 per_cvt = get_cvt(spec, cvt_idx);
1002 if (!per_cvt->assigned) {
1004 "choose cvt %d for pin nid %d\n",
1006 snd_hda_codec_write_cache(codec, nid, 0,
1007 AC_VERB_SET_CONNECT_SEL,
1015 /* A wrapper of intel_not_share_asigned_cvt() */
1016 static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec,
1017 hda_nid_t pin_nid, hda_nid_t cvt_nid)
1020 struct hdmi_spec *spec = codec->spec;
1022 if (!is_haswell_plus(codec) && !is_valleyview_plus(codec))
1025 /* On Intel platform, the mapping of converter nid to
1026 * mux index of the pins are always the same.
1027 * The pin nid may be 0, this means all pins will not
1028 * share the converter.
1030 mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid);
1032 intel_not_share_assigned_cvt(codec, pin_nid, mux_idx);
1035 /* called in hdmi_pcm_open when no pin is assigned to the PCM
1036 * in dyn_pcm_assign mode.
1038 static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo,
1039 struct hda_codec *codec,
1040 struct snd_pcm_substream *substream)
1042 struct hdmi_spec *spec = codec->spec;
1043 struct snd_pcm_runtime *runtime = substream->runtime;
1044 int cvt_idx, pcm_idx;
1045 struct hdmi_spec_per_cvt *per_cvt = NULL;
1048 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1052 err = hdmi_choose_cvt(codec, -1, &cvt_idx, NULL);
1056 per_cvt = get_cvt(spec, cvt_idx);
1057 per_cvt->assigned = 1;
1058 hinfo->nid = per_cvt->cvt_nid;
1060 intel_not_share_assigned_cvt_nid(codec, 0, per_cvt->cvt_nid);
1062 set_bit(pcm_idx, &spec->pcm_in_use);
1063 /* todo: setup spdif ctls assign */
1065 /* Initially set the converter's capabilities */
1066 hinfo->channels_min = per_cvt->channels_min;
1067 hinfo->channels_max = per_cvt->channels_max;
1068 hinfo->rates = per_cvt->rates;
1069 hinfo->formats = per_cvt->formats;
1070 hinfo->maxbps = per_cvt->maxbps;
1072 /* Store the updated parameters */
1073 runtime->hw.channels_min = hinfo->channels_min;
1074 runtime->hw.channels_max = hinfo->channels_max;
1075 runtime->hw.formats = hinfo->formats;
1076 runtime->hw.rates = hinfo->rates;
1078 snd_pcm_hw_constraint_step(substream->runtime, 0,
1079 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1086 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1087 struct hda_codec *codec,
1088 struct snd_pcm_substream *substream)
1090 struct hdmi_spec *spec = codec->spec;
1091 struct snd_pcm_runtime *runtime = substream->runtime;
1092 int pin_idx, cvt_idx, pcm_idx, mux_idx = 0;
1093 struct hdmi_spec_per_pin *per_pin;
1094 struct hdmi_eld *eld;
1095 struct hdmi_spec_per_cvt *per_cvt = NULL;
1098 /* Validate hinfo */
1099 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1103 mutex_lock(&spec->pcm_lock);
1104 pin_idx = hinfo_to_pin_index(codec, hinfo);
1105 if (!spec->dyn_pcm_assign) {
1106 if (snd_BUG_ON(pin_idx < 0)) {
1107 mutex_unlock(&spec->pcm_lock);
1111 /* no pin is assigned to the PCM
1112 * PA need pcm open successfully when probe
1115 err = hdmi_pcm_open_no_pin(hinfo, codec, substream);
1116 mutex_unlock(&spec->pcm_lock);
1121 err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1123 mutex_unlock(&spec->pcm_lock);
1127 per_cvt = get_cvt(spec, cvt_idx);
1128 /* Claim converter */
1129 per_cvt->assigned = 1;
1131 set_bit(pcm_idx, &spec->pcm_in_use);
1132 per_pin = get_pin(spec, pin_idx);
1133 per_pin->cvt_nid = per_cvt->cvt_nid;
1134 hinfo->nid = per_cvt->cvt_nid;
1136 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1137 AC_VERB_SET_CONNECT_SEL,
1140 /* configure unused pins to choose other converters */
1141 if (is_haswell_plus(codec) || is_valleyview_plus(codec))
1142 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx);
1144 snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid);
1146 /* Initially set the converter's capabilities */
1147 hinfo->channels_min = per_cvt->channels_min;
1148 hinfo->channels_max = per_cvt->channels_max;
1149 hinfo->rates = per_cvt->rates;
1150 hinfo->formats = per_cvt->formats;
1151 hinfo->maxbps = per_cvt->maxbps;
1153 eld = &per_pin->sink_eld;
1154 /* Restrict capabilities by ELD if this isn't disabled */
1155 if (!static_hdmi_pcm && eld->eld_valid) {
1156 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1157 if (hinfo->channels_min > hinfo->channels_max ||
1158 !hinfo->rates || !hinfo->formats) {
1159 per_cvt->assigned = 0;
1161 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1162 mutex_unlock(&spec->pcm_lock);
1167 mutex_unlock(&spec->pcm_lock);
1168 /* Store the updated parameters */
1169 runtime->hw.channels_min = hinfo->channels_min;
1170 runtime->hw.channels_max = hinfo->channels_max;
1171 runtime->hw.formats = hinfo->formats;
1172 runtime->hw.rates = hinfo->rates;
1174 snd_pcm_hw_constraint_step(substream->runtime, 0,
1175 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1180 * HDA/HDMI auto parsing
1182 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1184 struct hdmi_spec *spec = codec->spec;
1185 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1186 hda_nid_t pin_nid = per_pin->pin_nid;
1188 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1190 "HDMI: pin %d wcaps %#x does not support connection list\n",
1191 pin_nid, get_wcaps(codec, pin_nid));
1195 per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1197 HDA_MAX_CONNECTIONS);
1202 static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
1203 struct hdmi_spec_per_pin *per_pin)
1207 /* try the prefer PCM */
1208 if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap))
1209 return per_pin->pin_nid_idx;
1211 /* have a second try; check the "reserved area" over num_pins */
1212 for (i = spec->num_pins; i < spec->pcm_used; i++) {
1213 if (!test_bit(i, &spec->pcm_bitmap))
1217 /* the last try; check the empty slots in pins */
1218 for (i = 0; i < spec->num_pins; i++) {
1219 if (!test_bit(i, &spec->pcm_bitmap))
1225 static void hdmi_attach_hda_pcm(struct hdmi_spec *spec,
1226 struct hdmi_spec_per_pin *per_pin)
1230 /* pcm already be attached to the pin */
1233 idx = hdmi_find_pcm_slot(spec, per_pin);
1236 per_pin->pcm_idx = idx;
1237 per_pin->pcm = get_hdmi_pcm(spec, idx);
1238 set_bit(idx, &spec->pcm_bitmap);
1241 static void hdmi_detach_hda_pcm(struct hdmi_spec *spec,
1242 struct hdmi_spec_per_pin *per_pin)
1246 /* pcm already be detached from the pin */
1249 idx = per_pin->pcm_idx;
1250 per_pin->pcm_idx = -1;
1251 per_pin->pcm = NULL;
1252 if (idx >= 0 && idx < spec->pcm_used)
1253 clear_bit(idx, &spec->pcm_bitmap);
1256 static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec,
1257 struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid)
1261 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1262 if (per_pin->mux_nids[mux_idx] == cvt_nid)
1267 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid);
1269 static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
1270 struct hdmi_spec_per_pin *per_pin)
1272 struct hda_codec *codec = per_pin->codec;
1273 struct hda_pcm *pcm;
1274 struct hda_pcm_stream *hinfo;
1275 struct snd_pcm_substream *substream;
1279 if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1280 pcm = get_pcm_rec(spec, per_pin->pcm_idx);
1283 if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
1286 /* hdmi audio only uses playback and one substream */
1287 hinfo = pcm->stream;
1288 substream = pcm->pcm->streams[0].substream;
1290 per_pin->cvt_nid = hinfo->nid;
1292 mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid);
1293 if (mux_idx < per_pin->num_mux_nids)
1294 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1295 AC_VERB_SET_CONNECT_SEL,
1297 snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid);
1299 non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid);
1300 if (substream->runtime)
1301 per_pin->channels = substream->runtime->channels;
1302 per_pin->setup = true;
1303 per_pin->mux_idx = mux_idx;
1305 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1308 static void hdmi_pcm_reset_pin(struct hdmi_spec *spec,
1309 struct hdmi_spec_per_pin *per_pin)
1311 if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1312 snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx);
1314 per_pin->chmap_set = false;
1315 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1317 per_pin->setup = false;
1318 per_pin->channels = 0;
1321 /* update per_pin ELD from the given new ELD;
1322 * setup info frame and notification accordingly
1324 static void update_eld(struct hda_codec *codec,
1325 struct hdmi_spec_per_pin *per_pin,
1326 struct hdmi_eld *eld)
1328 struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1329 struct hdmi_spec *spec = codec->spec;
1330 bool old_eld_valid = pin_eld->eld_valid;
1334 /* for monitor disconnection, save pcm_idx firstly */
1335 pcm_idx = per_pin->pcm_idx;
1336 if (spec->dyn_pcm_assign) {
1337 if (eld->eld_valid) {
1338 hdmi_attach_hda_pcm(spec, per_pin);
1339 hdmi_pcm_setup_pin(spec, per_pin);
1341 hdmi_pcm_reset_pin(spec, per_pin);
1342 hdmi_detach_hda_pcm(spec, per_pin);
1345 /* if pcm_idx == -1, it means this is in monitor connection event
1346 * we can get the correct pcm_idx now.
1349 pcm_idx = per_pin->pcm_idx;
1352 snd_hdmi_show_eld(codec, &eld->info);
1354 eld_changed = (pin_eld->eld_valid != eld->eld_valid);
1355 if (eld->eld_valid && pin_eld->eld_valid)
1356 if (pin_eld->eld_size != eld->eld_size ||
1357 memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1358 eld->eld_size) != 0)
1361 pin_eld->monitor_present = eld->monitor_present;
1362 pin_eld->eld_valid = eld->eld_valid;
1363 pin_eld->eld_size = eld->eld_size;
1365 memcpy(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size);
1366 pin_eld->info = eld->info;
1369 * Re-setup pin and infoframe. This is needed e.g. when
1370 * - sink is first plugged-in
1371 * - transcoder can change during stream playback on Haswell
1372 * and this can make HW reset converter selection on a pin.
1374 if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1375 if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1376 intel_verify_pin_cvt_connect(codec, per_pin);
1377 intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
1381 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1384 if (eld_changed && pcm_idx >= 0)
1385 snd_ctl_notify(codec->card,
1386 SNDRV_CTL_EVENT_MASK_VALUE |
1387 SNDRV_CTL_EVENT_MASK_INFO,
1388 &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id);
1391 /* update ELD and jack state via HD-audio verbs */
1392 static bool hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
1395 struct hda_jack_tbl *jack;
1396 struct hda_codec *codec = per_pin->codec;
1397 struct hdmi_spec *spec = codec->spec;
1398 struct hdmi_eld *eld = &spec->temp_eld;
1399 struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1400 hda_nid_t pin_nid = per_pin->pin_nid;
1402 * Always execute a GetPinSense verb here, even when called from
1403 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1404 * response's PD bit is not the real PD value, but indicates that
1405 * the real PD value changed. An older version of the HD-audio
1406 * specification worked this way. Hence, we just ignore the data in
1407 * the unsolicited response to avoid custom WARs.
1411 bool do_repoll = false;
1413 present = snd_hda_pin_sense(codec, pin_nid);
1415 mutex_lock(&per_pin->lock);
1416 pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1417 if (pin_eld->monitor_present)
1418 eld->eld_valid = !!(present & AC_PINSENSE_ELDV);
1420 eld->eld_valid = false;
1423 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1424 codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
1426 if (eld->eld_valid) {
1427 if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
1428 &eld->eld_size) < 0)
1429 eld->eld_valid = false;
1431 if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1433 eld->eld_valid = false;
1435 if (!eld->eld_valid && repoll)
1440 schedule_delayed_work(&per_pin->work, msecs_to_jiffies(300));
1442 update_eld(codec, per_pin, eld);
1444 ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid;
1446 jack = snd_hda_jack_tbl_get(codec, pin_nid);
1448 jack->block_report = !ret;
1450 mutex_unlock(&per_pin->lock);
1454 static struct snd_jack *pin_idx_to_jack(struct hda_codec *codec,
1455 struct hdmi_spec_per_pin *per_pin)
1457 struct hdmi_spec *spec = codec->spec;
1458 struct snd_jack *jack = NULL;
1459 struct hda_jack_tbl *jack_tbl;
1461 /* if !dyn_pcm_assign, get jack from hda_jack_tbl
1462 * in !dyn_pcm_assign case, spec->pcm_rec[].jack is not
1463 * NULL even after snd_hda_jack_tbl_clear() is called to
1464 * free snd_jack. This may cause access invalid memory
1465 * when calling snd_jack_report
1467 if (per_pin->pcm_idx >= 0 && spec->dyn_pcm_assign)
1468 jack = spec->pcm_rec[per_pin->pcm_idx].jack;
1469 else if (!spec->dyn_pcm_assign) {
1470 jack_tbl = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
1472 jack = jack_tbl->jack;
1477 /* update ELD and jack state via audio component */
1478 static void sync_eld_via_acomp(struct hda_codec *codec,
1479 struct hdmi_spec_per_pin *per_pin)
1481 struct hdmi_spec *spec = codec->spec;
1482 struct hdmi_eld *eld = &spec->temp_eld;
1483 struct snd_jack *jack = NULL;
1486 mutex_lock(&per_pin->lock);
1487 eld->monitor_present = false;
1488 size = snd_hdac_acomp_get_eld(&codec->bus->core, per_pin->pin_nid,
1489 &eld->monitor_present, eld->eld_buffer,
1492 size = min(size, ELD_MAX_SIZE);
1493 if (snd_hdmi_parse_eld(codec, &eld->info,
1494 eld->eld_buffer, size) < 0)
1499 eld->eld_valid = true;
1500 eld->eld_size = size;
1502 eld->eld_valid = false;
1506 /* pcm_idx >=0 before update_eld() means it is in monitor
1507 * disconnected event. Jack must be fetched before update_eld()
1509 jack = pin_idx_to_jack(codec, per_pin);
1510 update_eld(codec, per_pin, eld);
1512 jack = pin_idx_to_jack(codec, per_pin);
1515 snd_jack_report(jack,
1516 eld->monitor_present ? SND_JACK_AVOUT : 0);
1518 mutex_unlock(&per_pin->lock);
1521 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1523 struct hda_codec *codec = per_pin->codec;
1524 struct hdmi_spec *spec = codec->spec;
1527 /* no temporary power up/down needed for component notifier */
1528 if (!codec_has_acomp(codec))
1529 snd_hda_power_up_pm(codec);
1531 mutex_lock(&spec->pcm_lock);
1532 if (codec_has_acomp(codec)) {
1533 sync_eld_via_acomp(codec, per_pin);
1534 ret = false; /* don't call snd_hda_jack_report_sync() */
1536 ret = hdmi_present_sense_via_verbs(per_pin, repoll);
1538 mutex_unlock(&spec->pcm_lock);
1540 if (!codec_has_acomp(codec))
1541 snd_hda_power_down_pm(codec);
1546 static void hdmi_repoll_eld(struct work_struct *work)
1548 struct hdmi_spec_per_pin *per_pin =
1549 container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1551 if (per_pin->repoll_count++ > 6)
1552 per_pin->repoll_count = 0;
1554 if (hdmi_present_sense(per_pin, per_pin->repoll_count))
1555 snd_hda_jack_report_sync(per_pin->codec);
1558 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1561 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1563 struct hdmi_spec *spec = codec->spec;
1564 unsigned int caps, config;
1566 struct hdmi_spec_per_pin *per_pin;
1569 caps = snd_hda_query_pin_caps(codec, pin_nid);
1570 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1573 config = snd_hda_codec_get_pincfg(codec, pin_nid);
1574 if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1577 if (is_haswell_plus(codec))
1578 intel_haswell_fixup_connect_list(codec, pin_nid);
1580 pin_idx = spec->num_pins;
1581 per_pin = snd_array_new(&spec->pins);
1585 per_pin->pin_nid = pin_nid;
1586 per_pin->non_pcm = false;
1587 if (spec->dyn_pcm_assign)
1588 per_pin->pcm_idx = -1;
1590 per_pin->pcm = get_hdmi_pcm(spec, pin_idx);
1591 per_pin->pcm_idx = pin_idx;
1593 per_pin->pin_nid_idx = pin_idx;
1595 err = hdmi_read_pin_conn(codec, pin_idx);
1604 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1606 struct hdmi_spec *spec = codec->spec;
1607 struct hdmi_spec_per_cvt *per_cvt;
1611 chans = get_wcaps(codec, cvt_nid);
1612 chans = get_wcaps_channels(chans);
1614 per_cvt = snd_array_new(&spec->cvts);
1618 per_cvt->cvt_nid = cvt_nid;
1619 per_cvt->channels_min = 2;
1621 per_cvt->channels_max = chans;
1622 if (chans > spec->chmap.channels_max)
1623 spec->chmap.channels_max = chans;
1626 err = snd_hda_query_supported_pcm(codec, cvt_nid,
1633 if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1634 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1640 static int hdmi_parse_codec(struct hda_codec *codec)
1645 nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
1646 if (!nid || nodes < 0) {
1647 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1651 for (i = 0; i < nodes; i++, nid++) {
1655 caps = get_wcaps(codec, nid);
1656 type = get_wcaps_type(caps);
1658 if (!(caps & AC_WCAP_DIGITAL))
1662 case AC_WID_AUD_OUT:
1663 hdmi_add_cvt(codec, nid);
1666 hdmi_add_pin(codec, nid);
1676 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1678 struct hda_spdif_out *spdif;
1681 mutex_lock(&codec->spdif_mutex);
1682 spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1683 non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1684 mutex_unlock(&codec->spdif_mutex);
1692 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1693 struct hda_codec *codec,
1694 unsigned int stream_tag,
1695 unsigned int format,
1696 struct snd_pcm_substream *substream)
1698 hda_nid_t cvt_nid = hinfo->nid;
1699 struct hdmi_spec *spec = codec->spec;
1701 struct hdmi_spec_per_pin *per_pin;
1703 struct snd_pcm_runtime *runtime = substream->runtime;
1708 mutex_lock(&spec->pcm_lock);
1709 pin_idx = hinfo_to_pin_index(codec, hinfo);
1710 if (spec->dyn_pcm_assign && pin_idx < 0) {
1711 /* when dyn_pcm_assign and pcm is not bound to a pin
1712 * skip pin setup and return 0 to make audio playback
1715 intel_not_share_assigned_cvt_nid(codec, 0, cvt_nid);
1716 snd_hda_codec_setup_stream(codec, cvt_nid,
1717 stream_tag, 0, format);
1718 mutex_unlock(&spec->pcm_lock);
1722 if (snd_BUG_ON(pin_idx < 0)) {
1723 mutex_unlock(&spec->pcm_lock);
1726 per_pin = get_pin(spec, pin_idx);
1727 pin_nid = per_pin->pin_nid;
1728 if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1729 /* Verify pin:cvt selections to avoid silent audio after S3.
1730 * After S3, the audio driver restores pin:cvt selections
1731 * but this can happen before gfx is ready and such selection
1732 * is overlooked by HW. Thus multiple pins can share a same
1733 * default convertor and mute control will affect each other,
1734 * which can cause a resumed audio playback become silent
1737 intel_verify_pin_cvt_connect(codec, per_pin);
1738 intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx);
1741 /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
1742 /* Todo: add DP1.2 MST audio support later */
1743 if (codec_has_acomp(codec))
1744 snd_hdac_sync_audio_rate(&codec->bus->core, pin_nid, runtime->rate);
1746 non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1747 mutex_lock(&per_pin->lock);
1748 per_pin->channels = substream->runtime->channels;
1749 per_pin->setup = true;
1751 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1752 mutex_unlock(&per_pin->lock);
1753 if (spec->dyn_pin_out) {
1754 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1755 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1756 snd_hda_codec_write(codec, pin_nid, 0,
1757 AC_VERB_SET_PIN_WIDGET_CONTROL,
1761 err = spec->ops.setup_stream(codec, cvt_nid, pin_nid,
1762 stream_tag, format);
1763 mutex_unlock(&spec->pcm_lock);
1767 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1768 struct hda_codec *codec,
1769 struct snd_pcm_substream *substream)
1771 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1775 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1776 struct hda_codec *codec,
1777 struct snd_pcm_substream *substream)
1779 struct hdmi_spec *spec = codec->spec;
1780 int cvt_idx, pin_idx, pcm_idx;
1781 struct hdmi_spec_per_cvt *per_cvt;
1782 struct hdmi_spec_per_pin *per_pin;
1786 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1787 if (snd_BUG_ON(pcm_idx < 0))
1789 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1790 if (snd_BUG_ON(cvt_idx < 0))
1792 per_cvt = get_cvt(spec, cvt_idx);
1794 snd_BUG_ON(!per_cvt->assigned);
1795 per_cvt->assigned = 0;
1798 mutex_lock(&spec->pcm_lock);
1799 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1800 clear_bit(pcm_idx, &spec->pcm_in_use);
1801 pin_idx = hinfo_to_pin_index(codec, hinfo);
1802 if (spec->dyn_pcm_assign && pin_idx < 0) {
1803 mutex_unlock(&spec->pcm_lock);
1807 if (snd_BUG_ON(pin_idx < 0)) {
1808 mutex_unlock(&spec->pcm_lock);
1811 per_pin = get_pin(spec, pin_idx);
1813 if (spec->dyn_pin_out) {
1814 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1815 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1816 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1817 AC_VERB_SET_PIN_WIDGET_CONTROL,
1821 mutex_lock(&per_pin->lock);
1822 per_pin->chmap_set = false;
1823 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1825 per_pin->setup = false;
1826 per_pin->channels = 0;
1827 mutex_unlock(&per_pin->lock);
1828 mutex_unlock(&spec->pcm_lock);
1834 static const struct hda_pcm_ops generic_ops = {
1835 .open = hdmi_pcm_open,
1836 .close = hdmi_pcm_close,
1837 .prepare = generic_hdmi_playback_pcm_prepare,
1838 .cleanup = generic_hdmi_playback_pcm_cleanup,
1841 static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
1842 unsigned char *chmap)
1844 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1845 struct hdmi_spec *spec = codec->spec;
1846 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1848 /* chmap is already set to 0 in caller */
1852 memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap));
1855 static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
1856 unsigned char *chmap, int prepared)
1858 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1859 struct hdmi_spec *spec = codec->spec;
1860 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1862 mutex_lock(&per_pin->lock);
1863 per_pin->chmap_set = true;
1864 memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap));
1866 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1867 mutex_unlock(&per_pin->lock);
1870 static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
1872 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1873 struct hdmi_spec *spec = codec->spec;
1874 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1876 return per_pin ? true:false;
1879 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1881 struct hdmi_spec *spec = codec->spec;
1884 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1885 struct hda_pcm *info;
1886 struct hda_pcm_stream *pstr;
1888 info = snd_hda_codec_pcm_new(codec, "HDMI %d", pin_idx);
1892 spec->pcm_rec[pin_idx].pcm = info;
1894 info->pcm_type = HDA_PCM_TYPE_HDMI;
1895 info->own_chmap = true;
1897 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1898 pstr->substreams = 1;
1899 pstr->ops = generic_ops;
1900 /* other pstr fields are set in open */
1906 static void free_hdmi_jack_priv(struct snd_jack *jack)
1908 struct hdmi_pcm *pcm = jack->private_data;
1913 static int add_hdmi_jack_kctl(struct hda_codec *codec,
1914 struct hdmi_spec *spec,
1918 struct snd_jack *jack;
1921 err = snd_jack_new(codec->card, name, SND_JACK_AVOUT, &jack,
1926 spec->pcm_rec[pcm_idx].jack = jack;
1927 jack->private_data = &spec->pcm_rec[pcm_idx];
1928 jack->private_free = free_hdmi_jack_priv;
1932 static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx)
1934 char hdmi_str[32] = "HDMI/DP";
1935 struct hdmi_spec *spec = codec->spec;
1936 struct hdmi_spec_per_pin *per_pin;
1937 struct hda_jack_tbl *jack;
1938 int pcmdev = get_pcm_rec(spec, pcm_idx)->device;
1943 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1945 if (spec->dyn_pcm_assign)
1946 return add_hdmi_jack_kctl(codec, spec, pcm_idx, hdmi_str);
1948 /* for !dyn_pcm_assign, we still use hda_jack for compatibility */
1949 /* if !dyn_pcm_assign, it must be non-MST mode.
1950 * This means pcms and pins are statically mapped.
1951 * And pcm_idx is pin_idx.
1953 per_pin = get_pin(spec, pcm_idx);
1954 phantom_jack = !is_jack_detectable(codec, per_pin->pin_nid);
1956 strncat(hdmi_str, " Phantom",
1957 sizeof(hdmi_str) - strlen(hdmi_str) - 1);
1958 ret = snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str,
1962 jack = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
1965 /* assign jack->jack to pcm_rec[].jack to
1966 * align with dyn_pcm_assign mode
1968 spec->pcm_rec[pcm_idx].jack = jack->jack;
1972 static int generic_hdmi_build_controls(struct hda_codec *codec)
1974 struct hdmi_spec *spec = codec->spec;
1976 int pin_idx, pcm_idx;
1979 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
1980 err = generic_hdmi_build_jack(codec, pcm_idx);
1984 /* create the spdif for each pcm
1985 * pin will be bound when monitor is connected
1987 if (spec->dyn_pcm_assign)
1988 err = snd_hda_create_dig_out_ctls(codec,
1989 0, spec->cvt_nids[0],
1992 struct hdmi_spec_per_pin *per_pin =
1993 get_pin(spec, pcm_idx);
1994 err = snd_hda_create_dig_out_ctls(codec,
1996 per_pin->mux_nids[0],
2001 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
2003 /* add control for ELD Bytes */
2004 err = hdmi_create_eld_ctl(codec, pcm_idx,
2005 get_pcm_rec(spec, pcm_idx)->device);
2010 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2011 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2013 hdmi_present_sense(per_pin, 0);
2016 /* add channel maps */
2017 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2018 struct hda_pcm *pcm;
2020 pcm = get_pcm_rec(spec, pcm_idx);
2021 if (!pcm || !pcm->pcm)
2023 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
2031 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2033 struct hdmi_spec *spec = codec->spec;
2036 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2037 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2039 per_pin->codec = codec;
2040 mutex_init(&per_pin->lock);
2041 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2042 eld_proc_new(per_pin, pin_idx);
2047 static int generic_hdmi_init(struct hda_codec *codec)
2049 struct hdmi_spec *spec = codec->spec;
2052 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2053 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2054 hda_nid_t pin_nid = per_pin->pin_nid;
2056 hdmi_init_pin(codec, pin_nid);
2057 if (!codec_has_acomp(codec))
2058 snd_hda_jack_detect_enable_callback(codec, pin_nid,
2059 codec->jackpoll_interval > 0 ?
2060 jack_callback : NULL);
2065 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2067 snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2068 snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2071 static void hdmi_array_free(struct hdmi_spec *spec)
2073 snd_array_free(&spec->pins);
2074 snd_array_free(&spec->cvts);
2077 static void generic_hdmi_free(struct hda_codec *codec)
2079 struct hdmi_spec *spec = codec->spec;
2080 int pin_idx, pcm_idx;
2082 if (codec_has_acomp(codec))
2083 snd_hdac_i915_register_notifier(NULL);
2085 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2086 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2087 cancel_delayed_work_sync(&per_pin->work);
2088 eld_proc_free(per_pin);
2091 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2092 if (spec->pcm_rec[pcm_idx].jack == NULL)
2094 if (spec->dyn_pcm_assign)
2095 snd_device_free(codec->card,
2096 spec->pcm_rec[pcm_idx].jack);
2098 spec->pcm_rec[pcm_idx].jack = NULL;
2101 if (spec->i915_bound)
2102 snd_hdac_i915_exit(&codec->bus->core);
2103 hdmi_array_free(spec);
2108 static int generic_hdmi_resume(struct hda_codec *codec)
2110 struct hdmi_spec *spec = codec->spec;
2113 codec->patch_ops.init(codec);
2114 regcache_sync(codec->core.regmap);
2116 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2117 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2118 hdmi_present_sense(per_pin, 1);
2124 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2125 .init = generic_hdmi_init,
2126 .free = generic_hdmi_free,
2127 .build_pcms = generic_hdmi_build_pcms,
2128 .build_controls = generic_hdmi_build_controls,
2129 .unsol_event = hdmi_unsol_event,
2131 .resume = generic_hdmi_resume,
2135 static const struct hdmi_ops generic_standard_hdmi_ops = {
2136 .pin_get_eld = snd_hdmi_get_eld,
2137 .pin_setup_infoframe = hdmi_pin_setup_infoframe,
2138 .pin_hbr_setup = hdmi_pin_hbr_setup,
2139 .setup_stream = hdmi_setup_stream,
2142 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
2145 struct hdmi_spec *spec = codec->spec;
2149 nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
2150 if (nconns == spec->num_cvts &&
2151 !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
2154 /* override pins connection list */
2155 codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
2156 snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
2159 #define INTEL_VENDOR_NID 0x08
2160 #define INTEL_GET_VENDOR_VERB 0xf81
2161 #define INTEL_SET_VENDOR_VERB 0x781
2162 #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */
2163 #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */
2165 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2168 unsigned int vendor_param;
2170 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2171 INTEL_GET_VENDOR_VERB, 0);
2172 if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2175 vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2176 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2177 INTEL_SET_VENDOR_VERB, vendor_param);
2178 if (vendor_param == -1)
2182 snd_hda_codec_update_widgets(codec);
2185 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2187 unsigned int vendor_param;
2189 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2190 INTEL_GET_VENDOR_VERB, 0);
2191 if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2194 /* enable DP1.2 mode */
2195 vendor_param |= INTEL_EN_DP12;
2196 snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2197 snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
2198 INTEL_SET_VENDOR_VERB, vendor_param);
2201 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2202 * Otherwise you may get severe h/w communication errors.
2204 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2205 unsigned int power_state)
2207 if (power_state == AC_PWRST_D0) {
2208 intel_haswell_enable_all_pins(codec, false);
2209 intel_haswell_fixup_enable_dp12(codec);
2212 snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2213 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2216 static void intel_pin_eld_notify(void *audio_ptr, int port)
2218 struct hda_codec *codec = audio_ptr;
2219 int pin_nid = port + 0x04;
2221 /* we assume only from port-B to port-D */
2222 if (port < 1 || port > 3)
2225 /* skip notification during system suspend (but not in runtime PM);
2226 * the state will be updated at resume
2228 if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0)
2230 /* ditto during suspend/resume process itself */
2231 if (atomic_read(&(codec)->core.in_pm))
2234 check_presence_and_report(codec, pin_nid);
2237 static int patch_generic_hdmi(struct hda_codec *codec)
2239 struct hdmi_spec *spec;
2241 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2245 spec->ops = generic_standard_hdmi_ops;
2246 mutex_init(&spec->pcm_lock);
2247 snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
2249 spec->chmap.ops.get_chmap = hdmi_get_chmap;
2250 spec->chmap.ops.set_chmap = hdmi_set_chmap;
2251 spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
2254 hdmi_array_init(spec, 4);
2256 #ifdef CONFIG_SND_HDA_I915
2257 /* Try to bind with i915 for Intel HSW+ codecs (if not done yet) */
2258 if ((codec->core.vendor_id >> 16) == 0x8086 &&
2259 is_haswell_plus(codec)) {
2261 /* on-demand binding leads to an unbalanced refcount when
2262 * both i915 and hda drivers are probed concurrently;
2263 * disabled temporarily for now
2265 if (!codec->bus->core.audio_component)
2266 if (!snd_hdac_i915_init(&codec->bus->core))
2267 spec->i915_bound = true;
2269 /* use i915 audio component notifier for hotplug */
2270 if (codec->bus->core.audio_component)
2271 spec->use_acomp_notifier = true;
2275 if (is_haswell_plus(codec)) {
2276 intel_haswell_enable_all_pins(codec, true);
2277 intel_haswell_fixup_enable_dp12(codec);
2280 /* For Valleyview/Cherryview, only the display codec is in the display
2281 * power well and can use link_power ops to request/release the power.
2282 * For Haswell/Broadwell, the controller is also in the power well and
2283 * can cover the codec power request, and so need not set this flag.
2284 * For previous platforms, there is no such power well feature.
2286 if (is_valleyview_plus(codec) || is_skylake(codec) ||
2288 codec->core.link_power_control = 1;
2290 if (hdmi_parse_codec(codec) < 0) {
2291 if (spec->i915_bound)
2292 snd_hdac_i915_exit(&codec->bus->core);
2297 codec->patch_ops = generic_hdmi_patch_ops;
2298 if (is_haswell_plus(codec)) {
2299 codec->patch_ops.set_power_state = haswell_set_power_state;
2300 codec->dp_mst = true;
2303 /* Enable runtime pm for HDMI audio codec of HSW/BDW/SKL/BYT/BSW */
2304 if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2305 codec->auto_runtime_pm = 1;
2307 generic_hdmi_init_per_pins(codec);
2310 if (codec_has_acomp(codec)) {
2311 codec->depop_delay = 0;
2312 spec->i915_audio_ops.audio_ptr = codec;
2313 /* intel_audio_codec_enable() or intel_audio_codec_disable()
2314 * will call pin_eld_notify with using audio_ptr pointer
2315 * We need make sure audio_ptr is really setup
2318 spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
2319 snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
2322 WARN_ON(spec->dyn_pcm_assign && !codec_has_acomp(codec));
2327 * Shared non-generic implementations
2330 static int simple_playback_build_pcms(struct hda_codec *codec)
2332 struct hdmi_spec *spec = codec->spec;
2333 struct hda_pcm *info;
2335 struct hda_pcm_stream *pstr;
2336 struct hdmi_spec_per_cvt *per_cvt;
2338 per_cvt = get_cvt(spec, 0);
2339 chans = get_wcaps(codec, per_cvt->cvt_nid);
2340 chans = get_wcaps_channels(chans);
2342 info = snd_hda_codec_pcm_new(codec, "HDMI 0");
2345 spec->pcm_rec[0].pcm = info;
2346 info->pcm_type = HDA_PCM_TYPE_HDMI;
2347 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2348 *pstr = spec->pcm_playback;
2349 pstr->nid = per_cvt->cvt_nid;
2350 if (pstr->channels_max <= 2 && chans && chans <= 16)
2351 pstr->channels_max = chans;
2356 /* unsolicited event for jack sensing */
2357 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2360 snd_hda_jack_set_dirty_all(codec);
2361 snd_hda_jack_report_sync(codec);
2364 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2365 * as long as spec->pins[] is set correctly
2367 #define simple_hdmi_build_jack generic_hdmi_build_jack
2369 static int simple_playback_build_controls(struct hda_codec *codec)
2371 struct hdmi_spec *spec = codec->spec;
2372 struct hdmi_spec_per_cvt *per_cvt;
2375 per_cvt = get_cvt(spec, 0);
2376 err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2381 return simple_hdmi_build_jack(codec, 0);
2384 static int simple_playback_init(struct hda_codec *codec)
2386 struct hdmi_spec *spec = codec->spec;
2387 struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2388 hda_nid_t pin = per_pin->pin_nid;
2390 snd_hda_codec_write(codec, pin, 0,
2391 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2392 /* some codecs require to unmute the pin */
2393 if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2394 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2396 snd_hda_jack_detect_enable(codec, pin);
2400 static void simple_playback_free(struct hda_codec *codec)
2402 struct hdmi_spec *spec = codec->spec;
2404 hdmi_array_free(spec);
2409 * Nvidia specific implementations
2412 #define Nv_VERB_SET_Channel_Allocation 0xF79
2413 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
2414 #define Nv_VERB_SET_Audio_Protection_On 0xF98
2415 #define Nv_VERB_SET_Audio_Protection_Off 0xF99
2417 #define nvhdmi_master_con_nid_7x 0x04
2418 #define nvhdmi_master_pin_nid_7x 0x05
2420 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2421 /*front, rear, clfe, rear_surr */
2425 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2426 /* set audio protect on */
2427 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2428 /* enable digital output on pin widget */
2429 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2433 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2434 /* set audio protect on */
2435 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2436 /* enable digital output on pin widget */
2437 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2438 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2439 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2440 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2441 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2445 #ifdef LIMITED_RATE_FMT_SUPPORT
2446 /* support only the safe format and rate */
2447 #define SUPPORTED_RATES SNDRV_PCM_RATE_48000
2448 #define SUPPORTED_MAXBPS 16
2449 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
2451 /* support all rates and formats */
2452 #define SUPPORTED_RATES \
2453 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2454 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2455 SNDRV_PCM_RATE_192000)
2456 #define SUPPORTED_MAXBPS 24
2457 #define SUPPORTED_FORMATS \
2458 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2461 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2463 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2467 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2469 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2473 static unsigned int channels_2_6_8[] = {
2477 static unsigned int channels_2_8[] = {
2481 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2482 .count = ARRAY_SIZE(channels_2_6_8),
2483 .list = channels_2_6_8,
2487 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2488 .count = ARRAY_SIZE(channels_2_8),
2489 .list = channels_2_8,
2493 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2494 struct hda_codec *codec,
2495 struct snd_pcm_substream *substream)
2497 struct hdmi_spec *spec = codec->spec;
2498 struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2500 switch (codec->preset->vendor_id) {
2505 hw_constraints_channels = &hw_constraints_2_8_channels;
2508 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2514 if (hw_constraints_channels != NULL) {
2515 snd_pcm_hw_constraint_list(substream->runtime, 0,
2516 SNDRV_PCM_HW_PARAM_CHANNELS,
2517 hw_constraints_channels);
2519 snd_pcm_hw_constraint_step(substream->runtime, 0,
2520 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2523 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2526 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2527 struct hda_codec *codec,
2528 struct snd_pcm_substream *substream)
2530 struct hdmi_spec *spec = codec->spec;
2531 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2534 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2535 struct hda_codec *codec,
2536 unsigned int stream_tag,
2537 unsigned int format,
2538 struct snd_pcm_substream *substream)
2540 struct hdmi_spec *spec = codec->spec;
2541 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2542 stream_tag, format, substream);
2545 static const struct hda_pcm_stream simple_pcm_playback = {
2550 .open = simple_playback_pcm_open,
2551 .close = simple_playback_pcm_close,
2552 .prepare = simple_playback_pcm_prepare
2556 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2557 .build_controls = simple_playback_build_controls,
2558 .build_pcms = simple_playback_build_pcms,
2559 .init = simple_playback_init,
2560 .free = simple_playback_free,
2561 .unsol_event = simple_hdmi_unsol_event,
2564 static int patch_simple_hdmi(struct hda_codec *codec,
2565 hda_nid_t cvt_nid, hda_nid_t pin_nid)
2567 struct hdmi_spec *spec;
2568 struct hdmi_spec_per_cvt *per_cvt;
2569 struct hdmi_spec_per_pin *per_pin;
2571 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2576 hdmi_array_init(spec, 1);
2578 spec->multiout.num_dacs = 0; /* no analog */
2579 spec->multiout.max_channels = 2;
2580 spec->multiout.dig_out_nid = cvt_nid;
2583 per_pin = snd_array_new(&spec->pins);
2584 per_cvt = snd_array_new(&spec->cvts);
2585 if (!per_pin || !per_cvt) {
2586 simple_playback_free(codec);
2589 per_cvt->cvt_nid = cvt_nid;
2590 per_pin->pin_nid = pin_nid;
2591 spec->pcm_playback = simple_pcm_playback;
2593 codec->patch_ops = simple_hdmi_patch_ops;
2598 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2601 unsigned int chanmask;
2602 int chan = channels ? (channels - 1) : 1;
2621 /* Set the audio infoframe channel allocation and checksum fields. The
2622 * channel count is computed implicitly by the hardware. */
2623 snd_hda_codec_write(codec, 0x1, 0,
2624 Nv_VERB_SET_Channel_Allocation, chanmask);
2626 snd_hda_codec_write(codec, 0x1, 0,
2627 Nv_VERB_SET_Info_Frame_Checksum,
2628 (0x71 - chan - chanmask));
2631 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2632 struct hda_codec *codec,
2633 struct snd_pcm_substream *substream)
2635 struct hdmi_spec *spec = codec->spec;
2638 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2639 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2640 for (i = 0; i < 4; i++) {
2641 /* set the stream id */
2642 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2643 AC_VERB_SET_CHANNEL_STREAMID, 0);
2644 /* set the stream format */
2645 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2646 AC_VERB_SET_STREAM_FORMAT, 0);
2649 /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2650 * streams are disabled. */
2651 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2653 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2656 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2657 struct hda_codec *codec,
2658 unsigned int stream_tag,
2659 unsigned int format,
2660 struct snd_pcm_substream *substream)
2663 unsigned int dataDCC2, channel_id;
2665 struct hdmi_spec *spec = codec->spec;
2666 struct hda_spdif_out *spdif;
2667 struct hdmi_spec_per_cvt *per_cvt;
2669 mutex_lock(&codec->spdif_mutex);
2670 per_cvt = get_cvt(spec, 0);
2671 spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2673 chs = substream->runtime->channels;
2677 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2678 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2679 snd_hda_codec_write(codec,
2680 nvhdmi_master_con_nid_7x,
2682 AC_VERB_SET_DIGI_CONVERT_1,
2683 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2685 /* set the stream id */
2686 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2687 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2689 /* set the stream format */
2690 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2691 AC_VERB_SET_STREAM_FORMAT, format);
2693 /* turn on again (if needed) */
2694 /* enable and set the channel status audio/data flag */
2695 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2696 snd_hda_codec_write(codec,
2697 nvhdmi_master_con_nid_7x,
2699 AC_VERB_SET_DIGI_CONVERT_1,
2700 spdif->ctls & 0xff);
2701 snd_hda_codec_write(codec,
2702 nvhdmi_master_con_nid_7x,
2704 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2707 for (i = 0; i < 4; i++) {
2713 /* turn off SPDIF once;
2714 *otherwise the IEC958 bits won't be updated
2716 if (codec->spdif_status_reset &&
2717 (spdif->ctls & AC_DIG1_ENABLE))
2718 snd_hda_codec_write(codec,
2719 nvhdmi_con_nids_7x[i],
2721 AC_VERB_SET_DIGI_CONVERT_1,
2722 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2723 /* set the stream id */
2724 snd_hda_codec_write(codec,
2725 nvhdmi_con_nids_7x[i],
2727 AC_VERB_SET_CHANNEL_STREAMID,
2728 (stream_tag << 4) | channel_id);
2729 /* set the stream format */
2730 snd_hda_codec_write(codec,
2731 nvhdmi_con_nids_7x[i],
2733 AC_VERB_SET_STREAM_FORMAT,
2735 /* turn on again (if needed) */
2736 /* enable and set the channel status audio/data flag */
2737 if (codec->spdif_status_reset &&
2738 (spdif->ctls & AC_DIG1_ENABLE)) {
2739 snd_hda_codec_write(codec,
2740 nvhdmi_con_nids_7x[i],
2742 AC_VERB_SET_DIGI_CONVERT_1,
2743 spdif->ctls & 0xff);
2744 snd_hda_codec_write(codec,
2745 nvhdmi_con_nids_7x[i],
2747 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2751 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2753 mutex_unlock(&codec->spdif_mutex);
2757 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2761 .nid = nvhdmi_master_con_nid_7x,
2762 .rates = SUPPORTED_RATES,
2763 .maxbps = SUPPORTED_MAXBPS,
2764 .formats = SUPPORTED_FORMATS,
2766 .open = simple_playback_pcm_open,
2767 .close = nvhdmi_8ch_7x_pcm_close,
2768 .prepare = nvhdmi_8ch_7x_pcm_prepare
2772 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2774 struct hdmi_spec *spec;
2775 int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2776 nvhdmi_master_pin_nid_7x);
2780 codec->patch_ops.init = nvhdmi_7x_init_2ch;
2781 /* override the PCM rates, etc, as the codec doesn't give full list */
2783 spec->pcm_playback.rates = SUPPORTED_RATES;
2784 spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2785 spec->pcm_playback.formats = SUPPORTED_FORMATS;
2789 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2791 struct hdmi_spec *spec = codec->spec;
2792 int err = simple_playback_build_pcms(codec);
2794 struct hda_pcm *info = get_pcm_rec(spec, 0);
2795 info->own_chmap = true;
2800 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2802 struct hdmi_spec *spec = codec->spec;
2803 struct hda_pcm *info;
2804 struct snd_pcm_chmap *chmap;
2807 err = simple_playback_build_controls(codec);
2811 /* add channel maps */
2812 info = get_pcm_rec(spec, 0);
2813 err = snd_pcm_add_chmap_ctls(info->pcm,
2814 SNDRV_PCM_STREAM_PLAYBACK,
2815 snd_pcm_alt_chmaps, 8, 0, &chmap);
2818 switch (codec->preset->vendor_id) {
2823 chmap->channel_mask = (1U << 2) | (1U << 8);
2826 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2831 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2833 struct hdmi_spec *spec;
2834 int err = patch_nvhdmi_2ch(codec);
2838 spec->multiout.max_channels = 8;
2839 spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2840 codec->patch_ops.init = nvhdmi_7x_init_8ch;
2841 codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2842 codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2844 /* Initialize the audio infoframe channel mask and checksum to something
2846 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2852 * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
2856 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
2857 struct hdac_cea_channel_speaker_allocation *cap, int channels)
2859 if (cap->ca_index == 0x00 && channels == 2)
2860 return SNDRV_CTL_TLVT_CHMAP_FIXED;
2862 /* If the speaker allocation matches the channel count, it is OK. */
2863 if (cap->channels != channels)
2866 /* all channels are remappable freely */
2867 return SNDRV_CTL_TLVT_CHMAP_VAR;
2870 static int nvhdmi_chmap_validate(struct hdac_chmap *chmap,
2871 int ca, int chs, unsigned char *map)
2873 if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
2879 static int patch_nvhdmi(struct hda_codec *codec)
2881 struct hdmi_spec *spec;
2884 err = patch_generic_hdmi(codec);
2889 spec->dyn_pin_out = true;
2891 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
2892 nvhdmi_chmap_cea_alloc_validate_get_type;
2893 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
2899 * The HDA codec on NVIDIA Tegra contains two scratch registers that are
2900 * accessed using vendor-defined verbs. These registers can be used for
2901 * interoperability between the HDA and HDMI drivers.
2904 /* Audio Function Group node */
2905 #define NVIDIA_AFG_NID 0x01
2908 * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
2909 * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
2910 * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
2911 * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
2912 * additional bit (at position 30) to signal the validity of the format.
2914 * | 31 | 30 | 29 16 | 15 0 |
2915 * +---------+-------+--------+--------+
2916 * | TRIGGER | VALID | UNUSED | FORMAT |
2917 * +-----------------------------------|
2919 * Note that for the trigger bit to take effect it needs to change value
2920 * (i.e. it needs to be toggled).
2922 #define NVIDIA_GET_SCRATCH0 0xfa6
2923 #define NVIDIA_SET_SCRATCH0_BYTE0 0xfa7
2924 #define NVIDIA_SET_SCRATCH0_BYTE1 0xfa8
2925 #define NVIDIA_SET_SCRATCH0_BYTE2 0xfa9
2926 #define NVIDIA_SET_SCRATCH0_BYTE3 0xfaa
2927 #define NVIDIA_SCRATCH_TRIGGER (1 << 7)
2928 #define NVIDIA_SCRATCH_VALID (1 << 6)
2930 #define NVIDIA_GET_SCRATCH1 0xfab
2931 #define NVIDIA_SET_SCRATCH1_BYTE0 0xfac
2932 #define NVIDIA_SET_SCRATCH1_BYTE1 0xfad
2933 #define NVIDIA_SET_SCRATCH1_BYTE2 0xfae
2934 #define NVIDIA_SET_SCRATCH1_BYTE3 0xfaf
2937 * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
2938 * the format is invalidated so that the HDMI codec can be disabled.
2940 static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
2944 /* bits [31:30] contain the trigger and valid bits */
2945 value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
2946 NVIDIA_GET_SCRATCH0, 0);
2947 value = (value >> 24) & 0xff;
2949 /* bits [15:0] are used to store the HDA format */
2950 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2951 NVIDIA_SET_SCRATCH0_BYTE0,
2952 (format >> 0) & 0xff);
2953 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2954 NVIDIA_SET_SCRATCH0_BYTE1,
2955 (format >> 8) & 0xff);
2957 /* bits [16:24] are unused */
2958 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2959 NVIDIA_SET_SCRATCH0_BYTE2, 0);
2962 * Bit 30 signals that the data is valid and hence that HDMI audio can
2966 value &= ~NVIDIA_SCRATCH_VALID;
2968 value |= NVIDIA_SCRATCH_VALID;
2971 * Whenever the trigger bit is toggled, an interrupt is raised in the
2972 * HDMI codec. The HDMI driver will use that as trigger to update its
2975 value ^= NVIDIA_SCRATCH_TRIGGER;
2977 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2978 NVIDIA_SET_SCRATCH0_BYTE3, value);
2981 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
2982 struct hda_codec *codec,
2983 unsigned int stream_tag,
2984 unsigned int format,
2985 struct snd_pcm_substream *substream)
2989 err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
2994 /* notify the HDMI codec of the format change */
2995 tegra_hdmi_set_format(codec, format);
3000 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
3001 struct hda_codec *codec,
3002 struct snd_pcm_substream *substream)
3004 /* invalidate the format in the HDMI codec */
3005 tegra_hdmi_set_format(codec, 0);
3007 return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
3010 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
3012 struct hdmi_spec *spec = codec->spec;
3015 for (i = 0; i < spec->num_pins; i++) {
3016 struct hda_pcm *pcm = get_pcm_rec(spec, i);
3018 if (pcm->pcm_type == type)
3025 static int tegra_hdmi_build_pcms(struct hda_codec *codec)
3027 struct hda_pcm_stream *stream;
3028 struct hda_pcm *pcm;
3031 err = generic_hdmi_build_pcms(codec);
3035 pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
3040 * Override ->prepare() and ->cleanup() operations to notify the HDMI
3041 * codec about format changes.
3043 stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
3044 stream->ops.prepare = tegra_hdmi_pcm_prepare;
3045 stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
3050 static int patch_tegra_hdmi(struct hda_codec *codec)
3054 err = patch_generic_hdmi(codec);
3058 codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
3064 * ATI/AMD-specific implementations
3067 #define is_amdhdmi_rev3_or_later(codec) \
3068 ((codec)->core.vendor_id == 0x1002aa01 && \
3069 ((codec)->core.revision_id & 0xff00) >= 0x0300)
3070 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
3072 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
3073 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
3074 #define ATI_VERB_SET_DOWNMIX_INFO 0x772
3075 #define ATI_VERB_SET_MULTICHANNEL_01 0x777
3076 #define ATI_VERB_SET_MULTICHANNEL_23 0x778
3077 #define ATI_VERB_SET_MULTICHANNEL_45 0x779
3078 #define ATI_VERB_SET_MULTICHANNEL_67 0x77a
3079 #define ATI_VERB_SET_HBR_CONTROL 0x77c
3080 #define ATI_VERB_SET_MULTICHANNEL_1 0x785
3081 #define ATI_VERB_SET_MULTICHANNEL_3 0x786
3082 #define ATI_VERB_SET_MULTICHANNEL_5 0x787
3083 #define ATI_VERB_SET_MULTICHANNEL_7 0x788
3084 #define ATI_VERB_SET_MULTICHANNEL_MODE 0x789
3085 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
3086 #define ATI_VERB_GET_DOWNMIX_INFO 0xf72
3087 #define ATI_VERB_GET_MULTICHANNEL_01 0xf77
3088 #define ATI_VERB_GET_MULTICHANNEL_23 0xf78
3089 #define ATI_VERB_GET_MULTICHANNEL_45 0xf79
3090 #define ATI_VERB_GET_MULTICHANNEL_67 0xf7a
3091 #define ATI_VERB_GET_HBR_CONTROL 0xf7c
3092 #define ATI_VERB_GET_MULTICHANNEL_1 0xf85
3093 #define ATI_VERB_GET_MULTICHANNEL_3 0xf86
3094 #define ATI_VERB_GET_MULTICHANNEL_5 0xf87
3095 #define ATI_VERB_GET_MULTICHANNEL_7 0xf88
3096 #define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89
3098 /* AMD specific HDA cvt verbs */
3099 #define ATI_VERB_SET_RAMP_RATE 0x770
3100 #define ATI_VERB_GET_RAMP_RATE 0xf70
3102 #define ATI_OUT_ENABLE 0x1
3104 #define ATI_MULTICHANNEL_MODE_PAIRED 0
3105 #define ATI_MULTICHANNEL_MODE_SINGLE 1
3107 #define ATI_HBR_CAPABLE 0x01
3108 #define ATI_HBR_ENABLE 0x10
3110 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
3111 unsigned char *buf, int *eld_size)
3113 /* call hda_eld.c ATI/AMD-specific function */
3114 return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
3115 is_amdhdmi_rev3_or_later(codec));
3118 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
3119 int active_channels, int conn_type)
3121 snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
3124 static int atihdmi_paired_swap_fc_lfe(int pos)
3127 * ATI/AMD have automatic FC/LFE swap built-in
3128 * when in pairwise mapping mode.
3132 /* see channel_allocations[].speakers[] */
3141 static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap,
3142 int ca, int chs, unsigned char *map)
3144 struct hdac_cea_channel_speaker_allocation *cap;
3147 /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3149 cap = snd_hdac_get_ch_alloc_from_ca(ca);
3150 for (i = 0; i < chs; ++i) {
3151 int mask = snd_hdac_chmap_to_spk_mask(map[i]);
3153 bool companion_ok = false;
3158 for (j = 0 + i % 2; j < 8; j += 2) {
3159 int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3160 if (cap->speakers[chan_idx] == mask) {
3161 /* channel is in a supported position */
3164 if (i % 2 == 0 && i + 1 < chs) {
3165 /* even channel, check the odd companion */
3166 int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3167 int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]);
3168 int comp_mask_act = cap->speakers[comp_chan_idx];
3170 if (comp_mask_req == comp_mask_act)
3171 companion_ok = true;
3183 i++; /* companion channel already checked */
3189 static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac,
3190 hda_nid_t pin_nid, int hdmi_slot, int stream_channel)
3192 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3194 int ati_channel_setup = 0;
3199 if (!has_amd_full_remap_support(codec)) {
3200 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3202 /* In case this is an odd slot but without stream channel, do not
3203 * disable the slot since the corresponding even slot could have a
3204 * channel. In case neither have a channel, the slot pair will be
3205 * disabled when this function is called for the even slot. */
3206 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3209 hdmi_slot -= hdmi_slot % 2;
3211 if (stream_channel != 0xf)
3212 stream_channel -= stream_channel % 2;
3215 verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3217 /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3219 if (stream_channel != 0xf)
3220 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3222 return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3225 static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac,
3226 hda_nid_t pin_nid, int asp_slot)
3228 struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3229 bool was_odd = false;
3230 int ati_asp_slot = asp_slot;
3232 int ati_channel_setup;
3237 if (!has_amd_full_remap_support(codec)) {
3238 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3239 if (ati_asp_slot % 2 != 0) {
3245 verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3247 ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3249 if (!(ati_channel_setup & ATI_OUT_ENABLE))
3252 return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3255 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(
3256 struct hdac_chmap *chmap,
3257 struct hdac_cea_channel_speaker_allocation *cap,
3263 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3264 * we need to take that into account (a single channel may take 2
3265 * channel slots if we need to carry a silent channel next to it).
3266 * On Rev3+ AMD codecs this function is not used.
3270 /* We only produce even-numbered channel count TLVs */
3271 if ((channels % 2) != 0)
3274 for (c = 0; c < 7; c += 2) {
3275 if (cap->speakers[c] || cap->speakers[c+1])
3279 if (chanpairs * 2 != channels)
3282 return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3285 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
3286 struct hdac_cea_channel_speaker_allocation *cap,
3287 unsigned int *chmap, int channels)
3289 /* produce paired maps for pre-rev3 ATI/AMD codecs */
3293 for (c = 7; c >= 0; c--) {
3294 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3295 int spk = cap->speakers[chan];
3297 /* add N/A channel if the companion channel is occupied */
3298 if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3299 chmap[count++] = SNDRV_CHMAP_NA;
3304 chmap[count++] = snd_hdac_spk_to_chmap(spk);
3307 WARN_ON(count != channels);
3310 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3313 int hbr_ctl, hbr_ctl_new;
3315 hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3316 if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3318 hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3320 hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3323 "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3325 hbr_ctl == hbr_ctl_new ? "" : "new-",
3328 if (hbr_ctl != hbr_ctl_new)
3329 snd_hda_codec_write(codec, pin_nid, 0,
3330 ATI_VERB_SET_HBR_CONTROL,
3339 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3340 hda_nid_t pin_nid, u32 stream_tag, int format)
3343 if (is_amdhdmi_rev3_or_later(codec)) {
3344 int ramp_rate = 180; /* default as per AMD spec */
3345 /* disable ramp-up/down for non-pcm as per AMD spec */
3346 if (format & AC_FMT_TYPE_NON_PCM)
3349 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3352 return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
3356 static int atihdmi_init(struct hda_codec *codec)
3358 struct hdmi_spec *spec = codec->spec;
3361 err = generic_hdmi_init(codec);
3366 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3367 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3369 /* make sure downmix information in infoframe is zero */
3370 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3372 /* enable channel-wise remap mode if supported */
3373 if (has_amd_full_remap_support(codec))
3374 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3375 ATI_VERB_SET_MULTICHANNEL_MODE,
3376 ATI_MULTICHANNEL_MODE_SINGLE);
3382 static int patch_atihdmi(struct hda_codec *codec)
3384 struct hdmi_spec *spec;
3385 struct hdmi_spec_per_cvt *per_cvt;
3388 err = patch_generic_hdmi(codec);
3393 codec->patch_ops.init = atihdmi_init;
3397 spec->ops.pin_get_eld = atihdmi_pin_get_eld;
3398 spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
3399 spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
3400 spec->ops.setup_stream = atihdmi_setup_stream;
3402 if (!has_amd_full_remap_support(codec)) {
3403 /* override to ATI/AMD-specific versions with pairwise mapping */
3404 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3405 atihdmi_paired_chmap_cea_alloc_validate_get_type;
3406 spec->chmap.ops.cea_alloc_to_tlv_chmap =
3407 atihdmi_paired_cea_alloc_to_tlv_chmap;
3408 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;
3409 spec->chmap.ops.pin_get_slot_channel =
3410 atihdmi_pin_get_slot_channel;
3411 spec->chmap.ops.pin_set_slot_channel =
3412 atihdmi_pin_set_slot_channel;
3415 /* ATI/AMD converters do not advertise all of their capabilities */
3416 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
3417 per_cvt = get_cvt(spec, cvt_idx);
3418 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
3419 per_cvt->rates |= SUPPORTED_RATES;
3420 per_cvt->formats |= SUPPORTED_FORMATS;
3421 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
3424 spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
3429 /* VIA HDMI Implementation */
3430 #define VIAHDMI_CVT_NID 0x02 /* audio converter1 */
3431 #define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */
3433 static int patch_via_hdmi(struct hda_codec *codec)
3435 return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
3441 static const struct hda_device_id snd_hda_id_hdmi[] = {
3442 HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI", patch_atihdmi),
3443 HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI", patch_atihdmi),
3444 HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI", patch_atihdmi),
3445 HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI", patch_atihdmi),
3446 HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI", patch_generic_hdmi),
3447 HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI", patch_generic_hdmi),
3448 HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI", patch_generic_hdmi),
3449 HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
3450 HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
3451 HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
3452 HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
3453 HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI", patch_nvhdmi_8ch_7x),
3454 HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi),
3455 HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi),
3456 HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi),
3457 HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP", patch_nvhdmi),
3458 HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP", patch_nvhdmi),
3459 HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP", patch_nvhdmi),
3460 HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP", patch_nvhdmi),
3461 HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP", patch_nvhdmi),
3462 HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP", patch_nvhdmi),
3463 HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP", patch_nvhdmi),
3464 HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP", patch_nvhdmi),
3465 /* 17 is known to be absent */
3466 HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP", patch_nvhdmi),
3467 HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP", patch_nvhdmi),
3468 HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP", patch_nvhdmi),
3469 HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP", patch_nvhdmi),
3470 HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP", patch_nvhdmi),
3471 HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI", patch_tegra_hdmi),
3472 HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI", patch_tegra_hdmi),
3473 HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI", patch_tegra_hdmi),
3474 HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
3475 HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP", patch_nvhdmi),
3476 HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP", patch_nvhdmi),
3477 HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP", patch_nvhdmi),
3478 HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP", patch_nvhdmi),
3479 HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP", patch_nvhdmi),
3480 HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP", patch_nvhdmi),
3481 HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP", patch_nvhdmi),
3482 HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI", patch_nvhdmi_2ch),
3483 HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP", patch_nvhdmi),
3484 HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP", patch_nvhdmi),
3485 HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP", patch_nvhdmi),
3486 HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP", patch_nvhdmi),
3487 HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP", patch_nvhdmi),
3488 HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP", patch_nvhdmi),
3489 HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI", patch_nvhdmi_2ch),
3490 HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP", patch_via_hdmi),
3491 HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP", patch_via_hdmi),
3492 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP", patch_generic_hdmi),
3493 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP", patch_generic_hdmi),
3494 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI", patch_generic_hdmi),
3495 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI", patch_generic_hdmi),
3496 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI", patch_generic_hdmi),
3497 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI", patch_generic_hdmi),
3498 HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI", patch_generic_hdmi),
3499 HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_generic_hdmi),
3500 HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_generic_hdmi),
3501 HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI", patch_generic_hdmi),
3502 HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_generic_hdmi),
3503 HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_generic_hdmi),
3504 HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_generic_hdmi),
3505 HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_generic_hdmi),
3506 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi),
3507 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_generic_hdmi),
3508 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_generic_hdmi),
3509 HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI", patch_generic_hdmi),
3510 /* special ID for generic HDMI */
3511 HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
3514 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
3516 MODULE_LICENSE("GPL");
3517 MODULE_DESCRIPTION("HDMI HD-audio codec");
3518 MODULE_ALIAS("snd-hda-codec-intelhdmi");
3519 MODULE_ALIAS("snd-hda-codec-nvhdmi");
3520 MODULE_ALIAS("snd-hda-codec-atihdmi");
3522 static struct hda_codec_driver hdmi_driver = {
3523 .id = snd_hda_id_hdmi,
3526 module_hda_codec_driver(hdmi_driver);