1// SPDX-License-Identifier: GPL-2.0-only
  2// Based on sof_sdw_rt5682.c
  3// This file incorporates work covered by the following copyright notice:
  4// Copyright (c) 2023 Intel Corporation
  5// Copyright (c) 2024 Advanced Micro Devices, Inc.
  6
  7/*
  8 *  soc_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver
  9 */
 10#include <linux/device.h>
 11#include <linux/errno.h>
 12#include <linux/input.h>
 13#include <sound/jack.h>
 14#include <linux/soundwire/sdw.h>
 15#include <linux/soundwire/sdw_type.h>
 16#include <sound/cs42l43.h>
 17#include <sound/control.h>
 18#include <sound/soc.h>
 19#include <sound/soc-acpi.h>
 20#include <sound/soc-dapm.h>
 21#include <sound/soc_sdw_utils.h>
 22
 23static const struct snd_soc_dapm_route cs42l43_hs_map[] = {
 24	{ "Headphone", NULL, "cs42l43 AMP3_OUT" },
 25	{ "Headphone", NULL, "cs42l43 AMP4_OUT" },
 26	{ "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" },
 27	{ "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" },
 28};
 29
 30static const struct snd_soc_dapm_route cs42l43_spk_map[] = {
 31	{ "Speaker", NULL, "cs42l43 AMP1_OUT_P", },
 32	{ "Speaker", NULL, "cs42l43 AMP1_OUT_N", },
 33	{ "Speaker", NULL, "cs42l43 AMP2_OUT_P", },
 34	{ "Speaker", NULL, "cs42l43 AMP2_OUT_N", },
 35};
 36
 37static const struct snd_soc_dapm_route cs42l43_dmic_map[] = {
 38	{ "cs42l43 PDM1_DIN", NULL, "DMIC" },
 39	{ "cs42l43 PDM2_DIN", NULL, "DMIC" },
 40};
 41
 42static struct snd_soc_jack_pin soc_jack_pins[] = {
 43	{
 44		.pin    = "Headphone",
 45		.mask   = SND_JACK_HEADPHONE,
 46	},
 47	{
 48		.pin    = "Headset Mic",
 49		.mask   = SND_JACK_MICROPHONE,
 50	},
 51};
 52
 53int asoc_sdw_cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
 54{
 55	struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
 56	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 57	struct snd_soc_jack *jack = &ctx->sdw_headset;
 58	struct snd_soc_card *card = rtd->card;
 59	int ret;
 60
 61	card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43",
 62					  card->components);
 63	if (!card->components)
 64		return -ENOMEM;
 65
 66	ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map,
 67				      ARRAY_SIZE(cs42l43_hs_map));
 68	if (ret) {
 69		dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret);
 70		return ret;
 71	}
 72
 73	ret = snd_soc_card_jack_new_pins(card, "Jack",
 74					 SND_JACK_MECHANICAL | SND_JACK_AVOUT |
 75					 SND_JACK_HEADSET | SND_JACK_LINEOUT |
 76					 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 77					 SND_JACK_BTN_2 | SND_JACK_BTN_3,
 78					 jack, soc_jack_pins,
 79					 ARRAY_SIZE(soc_jack_pins));
 80	if (ret) {
 81		dev_err(card->dev, "Failed to create jack: %d\n", ret);
 82		return ret;
 83	}
 84
 85	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 86	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 87	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 88	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 89
 90	ret = snd_soc_component_set_jack(component, jack, NULL);
 91	if (ret) {
 92		dev_err(card->dev, "Failed to register jack: %d\n", ret);
 93		return ret;
 94	}
 95
 96	ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW,
 97					   0, SND_SOC_CLOCK_IN);
 98	if (ret)
 99		dev_err(card->dev, "Failed to set sysclk: %d\n", ret);
100
101	return ret;
102}
103EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_hs_rtd_init, "SND_SOC_SDW_UTILS");
104
105int asoc_sdw_cs42l43_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
106{
107	struct snd_soc_card *card = rtd->card;
108	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
109	int ret;
110
111	if (!(ctx->mc_quirk & SOC_SDW_SIDECAR_AMPS)) {
112		/* Will be set by the bridge code in this case */
113		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
114						  "%s spk:cs42l43-spk",
115						  card->components);
116		if (!card->components)
117			return -ENOMEM;
118	}
119
120	ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_spk_map,
121				      ARRAY_SIZE(cs42l43_spk_map));
122	if (ret)
123		dev_err(card->dev, "cs42l43 speaker map addition failed: %d\n", ret);
124
125	return ret;
126}
127EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_rtd_init, "SND_SOC_SDW_UTILS");
128
129int asoc_sdw_cs42l43_spk_init(struct snd_soc_card *card,
130			      struct snd_soc_dai_link *dai_links,
131			      struct asoc_sdw_codec_info *info,
132			      bool playback)
133{
134	/* Do init on playback link only. */
135	if (!playback)
136		return 0;
137
138	info->amp_num++;
139
140	return asoc_sdw_bridge_cs35l56_spk_init(card, dai_links, info, playback);
141}
142EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_init, "SND_SOC_SDW_UTILS");
143
144int asoc_sdw_cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
145{
146	struct snd_soc_card *card = rtd->card;
147	int ret;
148
149	card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic",
150					  card->components);
151	if (!card->components)
152		return -ENOMEM;
153
154	ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map,
155				      ARRAY_SIZE(cs42l43_dmic_map));
156	if (ret)
157		dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret);
158
159	return ret;
160}
161EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_dmic_rtd_init, "SND_SOC_SDW_UTILS");