1// SPDX-License-Identifier: GPL-2.0-only
2// Copyright (c) 2020 Intel Corporation
3
4/*
5 *  sof_sdw_hdmi - Helpers to handle HDMI from generic machine driver
6 */
7
8#include <linux/device.h>
9#include <linux/errno.h>
10#include <linux/kernel.h>
11#include <linux/list.h>
12#include <sound/soc.h>
13#include <sound/soc-acpi.h>
14#include <sound/jack.h>
15#include "sof_sdw_common.h"
16#include "../../codecs/hdac_hdmi.h"
17#include "hda_dsp_common.h"
18
19static struct snd_soc_jack hdmi[MAX_HDMI_NUM];
20
21struct hdmi_pcm {
22	struct list_head head;
23	struct snd_soc_dai *codec_dai;
24	int device;
25};
26
27int sof_sdw_hdmi_init(struct snd_soc_pcm_runtime *rtd)
28{
29	struct mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
30	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
31	struct hdmi_pcm *pcm;
32
33	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
34	if (!pcm)
35		return -ENOMEM;
36
37	/* dai_link id is 1:1 mapped to the PCM device */
38	pcm->device = rtd->dai_link->id;
39	pcm->codec_dai = dai;
40
41	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
42
43	return 0;
44}
45
46#define NAME_SIZE	32
47int sof_sdw_hdmi_card_late_probe(struct snd_soc_card *card)
48{
49	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
50	struct hdmi_pcm *pcm;
51	struct snd_soc_component *component = NULL;
52	int err, i = 0;
53	char jack_name[NAME_SIZE];
54
55	if (!ctx->idisp_codec)
56		return 0;
57
58	if (list_empty(&ctx->hdmi_pcm_list))
59		return -EINVAL;
60
61	pcm = list_first_entry(&ctx->hdmi_pcm_list, struct hdmi_pcm,
62			       head);
63	component = pcm->codec_dai->component;
64
65	if (ctx->common_hdmi_codec_drv)
66		return hda_dsp_hdmi_build_controls(card, component);
67
68	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
69		component = pcm->codec_dai->component;
70		snprintf(jack_name, sizeof(jack_name),
71			 "HDMI/DP, pcm=%d Jack", pcm->device);
72		err = snd_soc_card_jack_new(card, jack_name,
73					    SND_JACK_AVOUT, &hdmi[i],
74					    NULL, 0);
75
76		if (err)
77			return err;
78
79		err = snd_jack_add_new_kctl(hdmi[i].jack,
80					    jack_name, SND_JACK_AVOUT);
81		if (err)
82			dev_warn(component->dev, "failed creating Jack kctl\n");
83
84		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
85					  &hdmi[i]);
86		if (err < 0)
87			return err;
88
89		i++;
90	}
91
92	if (!component)
93		return -EINVAL;
94
95	return hdac_hdmi_jack_port_init(component, &card->dapm);
96}
97