1// SPDX-License-Identifier: GPL-2.0-only
 2// This file incorporates work covered by the following copyright notice:
 3// Copyright (c) 2023 Intel Corporation
 4// Copyright (c) 2024 Advanced Micro Devices, Inc.
 5
 6/*
 7 *  soc_sdw_cs_amp - Helpers to handle CS35L56 from generic machine driver
 8 */
 9
10#include <linux/device.h>
11#include <linux/errno.h>
12#include <sound/soc.h>
13#include <sound/soc-acpi.h>
14#include <sound/soc-dai.h>
15#include <sound/soc_sdw_utils.h>
16
17#define CODEC_NAME_SIZE	8
18
19int asoc_sdw_cs_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
20{
21	const char *dai_name = rtd->dai_link->codecs->dai_name;
22	struct snd_soc_card *card = rtd->card;
23	char codec_name[CODEC_NAME_SIZE];
24	char widget_name[16];
25	struct snd_soc_dapm_route route = { "Speaker", NULL, widget_name };
26	struct snd_soc_dai *codec_dai;
27	int i, ret;
28
29	snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai_name);
30	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
31					  "%s spk:%s",
32					  card->components, codec_name);
33	if (!card->components)
34		return -ENOMEM;
35
36	for_each_rtd_codec_dais(rtd, i, codec_dai) {
37		if (!strstr(codec_dai->name, "cs35l56"))
38			continue;
39
40		snprintf(widget_name, sizeof(widget_name), "%s SPK",
41			 codec_dai->component->name_prefix);
42		ret = snd_soc_dapm_add_routes(&card->dapm, &route, 1);
43		if (ret)
44			return ret;
45	}
46
47	return 0;
48}
49EXPORT_SYMBOL_NS(asoc_sdw_cs_spk_rtd_init, "SND_SOC_SDW_UTILS");
50
51int asoc_sdw_cs_amp_init(struct snd_soc_card *card,
52			 struct snd_soc_dai_link *dai_links,
53			 struct asoc_sdw_codec_info *info,
54			 bool playback)
55{
56	/* Do init on playback link only. */
57	if (!playback)
58		return 0;
59
60	info->amp_num++;
61
62	return 0;
63}
64EXPORT_SYMBOL_NS(asoc_sdw_cs_amp_init, "SND_SOC_SDW_UTILS");