soc_sdw_cs42l43.c

  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
 23#define CS42L43_SPK_VOLUME_0DB	128 /* 0dB Max */
 24
 25static const struct snd_soc_dapm_route cs42l43_hs_map[] = {
 26	{ "Headphone", NULL, "cs42l43 AMP3_OUT" },
 27	{ "Headphone", NULL, "cs42l43 AMP4_OUT" },
 28	{ "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" },
 29	{ "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" },
 30};
 31
 32static const struct snd_soc_dapm_route cs42l43_spk_map[] = {
 33	{ "Speaker", NULL, "cs42l43 AMP1_OUT_P", },
 34	{ "Speaker", NULL, "cs42l43 AMP1_OUT_N", },
 35	{ "Speaker", NULL, "cs42l43 AMP2_OUT_P", },
 36	{ "Speaker", NULL, "cs42l43 AMP2_OUT_N", },
 37};
 38
 39static const struct snd_soc_dapm_route cs42l43_dmic_map[] = {
 40	{ "cs42l43 PDM1_DIN", NULL, "DMIC" },
 41	{ "cs42l43 PDM2_DIN", NULL, "DMIC" },
 42};
 43
 44static struct snd_soc_jack_pin soc_jack_pins[] = {
 45	{
 46		.pin    = "Headphone",
 47		.mask   = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
 48	},
 49	{
 50		.pin    = "Headset Mic",
 51		.mask   = SND_JACK_MICROPHONE,
 52	},
 53};
 54
 55int asoc_sdw_cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
 56{
 57	struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
 58	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 59	struct snd_soc_jack *jack = &ctx->sdw_headset;
 60	struct snd_soc_card *card = rtd->card;
 61	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
 62	int ret;
 63
 64	card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43",
 65					  card->components);
 66	if (!card->components)
 67		return -ENOMEM;
 68
 69	ret = snd_soc_dapm_add_routes(dapm, cs42l43_hs_map,
 70				      ARRAY_SIZE(cs42l43_hs_map));
 71	if (ret) {
 72		dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret);
 73		return ret;
 74	}
 75
 76	ret = snd_soc_card_jack_new_pins(card, "Jack",
 77					 SND_JACK_MECHANICAL | SND_JACK_AVOUT |
 78					 SND_JACK_HEADSET | SND_JACK_LINEOUT |
 79					 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 80					 SND_JACK_BTN_2 | SND_JACK_BTN_3,
 81					 jack, soc_jack_pins,
 82					 ARRAY_SIZE(soc_jack_pins));
 83	if (ret) {
 84		dev_err(card->dev, "Failed to create jack: %d\n", ret);
 85		return ret;
 86	}
 87
 88	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 89	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 90	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 91	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 92
 93	ret = snd_soc_component_set_jack(component, jack, NULL);
 94	if (ret) {
 95		dev_err(card->dev, "Failed to register jack: %d\n", ret);
 96		return ret;
 97	}
 98
 99	ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW,
100					   0, SND_SOC_CLOCK_IN);
101	if (ret)
102		dev_err(card->dev, "Failed to set sysclk: %d\n", ret);
103
104	return ret;
105}
106EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_hs_rtd_init, "SND_SOC_SDW_UTILS");
107
108int asoc_sdw_cs42l43_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
109{
110	struct snd_soc_card *card = rtd->card;
111	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
112	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
113	int ret;
114
115	if (!(ctx->mc_quirk & SOC_SDW_SIDECAR_AMPS)) {
116		/* Will be set by the bridge code in this case */
117		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
118						  "%s spk:cs42l43-spk",
119						  card->components);
120		if (!card->components)
121			return -ENOMEM;
122	}
123
124	ret = snd_soc_limit_volume(card, "cs42l43 Speaker Digital Volume",
125				   CS42L43_SPK_VOLUME_0DB);
126	if (ret)
127		dev_err(card->dev, "cs42l43 speaker volume limit failed: %d\n", ret);
128	else
129		dev_info(card->dev, "Setting CS42L43 Speaker volume limit to %d\n",
130			 CS42L43_SPK_VOLUME_0DB);
131
132	ret = snd_soc_dapm_add_routes(dapm, cs42l43_spk_map,
133				      ARRAY_SIZE(cs42l43_spk_map));
134	if (ret)
135		dev_err(card->dev, "cs42l43 speaker map addition failed: %d\n", ret);
136
137	return ret;
138}
139EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_rtd_init, "SND_SOC_SDW_UTILS");
140
141int asoc_sdw_cs42l43_spk_init(struct snd_soc_card *card,
142			      struct snd_soc_dai_link *dai_links,
143			      struct asoc_sdw_codec_info *info,
144			      bool playback)
145{
146	/* Do init on playback link only. */
147	if (!playback)
148		return 0;
149
150	info->amp_num++;
151
152	return asoc_sdw_bridge_cs35l56_spk_init(card, dai_links, info, playback);
153}
154EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_init, "SND_SOC_SDW_UTILS");
155
156int asoc_sdw_cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
157{
158	struct snd_soc_card *card = rtd->card;
159	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
160	int ret;
161
162	card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic",
163					  card->components);
164	if (!card->components)
165		return -ENOMEM;
166
167	ret = snd_soc_dapm_add_routes(dapm, cs42l43_dmic_map,
168				      ARRAY_SIZE(cs42l43_dmic_map));
169	if (ret)
170		dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret);
171
172	return ret;
173}
174EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_dmic_rtd_init, "SND_SOC_SDW_UTILS");