1// SPDX-License-Identifier: GPL-2.0-only
  2// Based on sof_sdw_rt5682.c
  3// Copyright (c) 2023 Intel Corporation
  4
  5/*
  6 *  sof_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver
  7 */
  8#include <linux/device.h>
  9#include <linux/errno.h>
 10#include <linux/input.h>
 11#include <sound/jack.h>
 12#include <linux/soundwire/sdw.h>
 13#include <linux/soundwire/sdw_type.h>
 14#include <sound/cs42l43.h>
 15#include <sound/control.h>
 16#include <sound/soc.h>
 17#include <sound/soc-acpi.h>
 18#include <sound/soc-dapm.h>
 19#include "sof_sdw_common.h"
 20
 21static const struct snd_soc_dapm_widget cs42l43_hs_widgets[] = {
 22	SND_SOC_DAPM_HP("Headphone", NULL),
 23	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 24};
 25
 26static const struct snd_soc_dapm_route cs42l43_hs_map[] = {
 27	{ "Headphone", NULL, "cs42l43 AMP3_OUT" },
 28	{ "Headphone", NULL, "cs42l43 AMP4_OUT" },
 29	{ "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" },
 30	{ "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" },
 31};
 32
 33static const struct snd_soc_dapm_widget cs42l43_dmic_widgets[] = {
 34	SND_SOC_DAPM_MIC("DMIC", NULL),
 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 sof_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
 53static int cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd)
 54{
 55	struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
 56	struct 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_new_controls(&card->dapm, cs42l43_hs_widgets,
 67					ARRAY_SIZE(cs42l43_hs_widgets));
 68	if (ret) {
 69		dev_err(card->dev, "cs42l43 hs widgets addition failed: %d\n", ret);
 70		return ret;
 71	}
 72
 73	ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map,
 74				      ARRAY_SIZE(cs42l43_hs_map));
 75	if (ret) {
 76		dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret);
 77		return ret;
 78	}
 79
 80	ret = snd_soc_card_jack_new_pins(card, "Jack",
 81					 SND_JACK_MECHANICAL | SND_JACK_AVOUT |
 82					 SND_JACK_HEADSET | SND_JACK_LINEOUT |
 83					 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 84					 SND_JACK_BTN_2 | SND_JACK_BTN_3,
 85					 jack, sof_jack_pins,
 86					 ARRAY_SIZE(sof_jack_pins));
 87	if (ret) {
 88		dev_err(card->dev, "Failed to create jack: %d\n", ret);
 89		return ret;
 90	}
 91
 92	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 93	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 94	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 95	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 96
 97	ret = snd_soc_component_set_jack(component, jack, NULL);
 98	if (ret) {
 99		dev_err(card->dev, "Failed to register jack: %d\n", ret);
100		return ret;
101	}
102
103	ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW,
104					   0, SND_SOC_CLOCK_IN);
105	if (ret)
106		dev_err(card->dev, "Failed to set sysclk: %d\n", ret);
107
108	return ret;
109}
110
111int sof_sdw_cs42l43_hs_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link,
112			    struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info,
113			    bool playback)
114{
115	/*
116	 * No need to test if (!playback) like other codecs as cs42l43 uses separated dai for
117	 * playback and capture, and sof_sdw_cs42l43_init is only linked to the playback dai.
118	 */
119	dai_links->init = cs42l43_hs_rtd_init;
120
121	return 0;
122}
123
124static int cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd)
125{
126	struct snd_soc_card *card = rtd->card;
127	int ret;
128
129	card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic",
130					  card->components);
131	if (!card->components)
132		return -ENOMEM;
133
134	ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_dmic_widgets,
135					ARRAY_SIZE(cs42l43_dmic_widgets));
136	if (ret) {
137		dev_err(card->dev, "cs42l43 dmic widgets addition failed: %d\n", ret);
138		return ret;
139	}
140
141	ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map,
142				      ARRAY_SIZE(cs42l43_dmic_map));
143	if (ret)
144		dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret);
145
146	return ret;
147}
148
149int sof_sdw_cs42l43_dmic_init(struct snd_soc_card *card, const struct snd_soc_acpi_link_adr *link,
150			      struct snd_soc_dai_link *dai_links, struct sof_sdw_codec_info *info,
151			      bool playback)
152{
153	dai_links->init = cs42l43_dmic_rtd_init;
154
155	return 0;
156}