1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun //
3*4882a593Smuzhiyun // Copyright(c) 2019 Intel Corporation. All rights reserved.
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <sound/pcm.h>
6*4882a593Smuzhiyun #include <sound/soc.h>
7*4882a593Smuzhiyun #include <sound/hda_codec.h>
8*4882a593Smuzhiyun #include <sound/hda_i915.h>
9*4882a593Smuzhiyun #include "../../codecs/hdac_hda.h"
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include "hda_dsp_common.h"
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun /*
16*4882a593Smuzhiyun * Search card topology and return PCM device number
17*4882a593Smuzhiyun * matching Nth HDMI device (zero-based index).
18*4882a593Smuzhiyun */
hda_dsp_hdmi_pcm_handle(struct snd_soc_card * card,int hdmi_idx)19*4882a593Smuzhiyun static struct snd_pcm *hda_dsp_hdmi_pcm_handle(struct snd_soc_card *card,
20*4882a593Smuzhiyun int hdmi_idx)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun struct snd_soc_pcm_runtime *rtd;
23*4882a593Smuzhiyun struct snd_pcm *spcm;
24*4882a593Smuzhiyun int i = 0;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun for_each_card_rtds(card, rtd) {
27*4882a593Smuzhiyun spcm = rtd->pcm ?
28*4882a593Smuzhiyun rtd->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].pcm : NULL;
29*4882a593Smuzhiyun if (spcm && strstr(spcm->id, "HDMI")) {
30*4882a593Smuzhiyun if (i == hdmi_idx)
31*4882a593Smuzhiyun return rtd->pcm;
32*4882a593Smuzhiyun ++i;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun return NULL;
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun /*
40*4882a593Smuzhiyun * Search card topology and register HDMI PCM related controls
41*4882a593Smuzhiyun * to codec driver.
42*4882a593Smuzhiyun */
hda_dsp_hdmi_build_controls(struct snd_soc_card * card,struct snd_soc_component * comp)43*4882a593Smuzhiyun int hda_dsp_hdmi_build_controls(struct snd_soc_card *card,
44*4882a593Smuzhiyun struct snd_soc_component *comp)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun struct hdac_hda_priv *hda_pvt;
47*4882a593Smuzhiyun struct hda_codec *hcodec;
48*4882a593Smuzhiyun struct snd_pcm *spcm;
49*4882a593Smuzhiyun struct hda_pcm *hpcm;
50*4882a593Smuzhiyun int err = 0, i = 0;
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun if (!comp)
53*4882a593Smuzhiyun return -EINVAL;
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun hda_pvt = snd_soc_component_get_drvdata(comp);
56*4882a593Smuzhiyun hcodec = &hda_pvt->codec;
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun list_for_each_entry(hpcm, &hcodec->pcm_list_head, list) {
59*4882a593Smuzhiyun spcm = hda_dsp_hdmi_pcm_handle(card, i);
60*4882a593Smuzhiyun if (spcm) {
61*4882a593Smuzhiyun hpcm->pcm = spcm;
62*4882a593Smuzhiyun hpcm->device = spcm->device;
63*4882a593Smuzhiyun dev_dbg(card->dev,
64*4882a593Smuzhiyun "%s: mapping HDMI converter %d to PCM %d (%p)\n",
65*4882a593Smuzhiyun __func__, i, hpcm->device, spcm);
66*4882a593Smuzhiyun } else {
67*4882a593Smuzhiyun hpcm->pcm = NULL;
68*4882a593Smuzhiyun hpcm->device = SNDRV_PCM_INVALID_DEVICE;
69*4882a593Smuzhiyun dev_warn(card->dev,
70*4882a593Smuzhiyun "%s: no PCM in topology for HDMI converter %d\n\n",
71*4882a593Smuzhiyun __func__, i);
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun i++;
74*4882a593Smuzhiyun }
75*4882a593Smuzhiyun snd_hdac_display_power(hcodec->core.bus,
76*4882a593Smuzhiyun HDA_CODEC_IDX_CONTROLLER, true);
77*4882a593Smuzhiyun err = snd_hda_codec_build_controls(hcodec);
78*4882a593Smuzhiyun if (err < 0)
79*4882a593Smuzhiyun dev_err(card->dev, "unable to create controls %d\n", err);
80*4882a593Smuzhiyun snd_hdac_display_power(hcodec->core.bus,
81*4882a593Smuzhiyun HDA_CODEC_IDX_CONTROLLER, false);
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun return err;
84*4882a593Smuzhiyun }
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun #endif
87