1 // SPDX-License-Identifier: GPL-2.0-only
2 // Based on sof_sdw_rt5682.c
3 // Copyright (c) 2023 Intel Corporation
6 * sof_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver
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"
21 static const struct snd_soc_dapm_widget cs42l43_hs_widgets[] = {
22 SND_SOC_DAPM_HP("Headphone", NULL),
23 SND_SOC_DAPM_MIC("Headset Mic", NULL),
26 static 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" },
33 static const struct snd_soc_dapm_widget cs42l43_dmic_widgets[] = {
34 SND_SOC_DAPM_MIC("DMIC", NULL),
37 static const struct snd_soc_dapm_route cs42l43_dmic_map[] = {
38 { "cs42l43 PDM1_DIN", NULL, "DMIC" },
39 { "cs42l43 PDM2_DIN", NULL, "DMIC" },
42 static struct snd_soc_jack_pin sof_jack_pins[] = {
45 .mask = SND_JACK_HEADPHONE,
49 .mask = SND_JACK_MICROPHONE,
53 static int cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd)
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;
61 card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43",
63 if (!card->components)
66 ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_hs_widgets,
67 ARRAY_SIZE(cs42l43_hs_widgets));
69 dev_err(card->dev, "cs42l43 hs widgets addition failed: %d\n", ret);
73 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map,
74 ARRAY_SIZE(cs42l43_hs_map));
76 dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret);
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,
86 ARRAY_SIZE(sof_jack_pins));
88 dev_err(card->dev, "Failed to create jack: %d\n", ret);
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);
97 ret = snd_soc_component_set_jack(component, jack, NULL);
99 dev_err(card->dev, "Failed to register jack: %d\n", ret);
103 ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW,
104 0, SND_SOC_CLOCK_IN);
106 dev_err(card->dev, "Failed to set sysclk: %d\n", ret);
111 int 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,
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.
119 dai_links->init = cs42l43_hs_rtd_init;
124 static int cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd)
126 struct snd_soc_card *card = rtd->card;
129 card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic",
131 if (!card->components)
134 ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_dmic_widgets,
135 ARRAY_SIZE(cs42l43_dmic_widgets));
137 dev_err(card->dev, "cs42l43 dmic widgets addition failed: %d\n", ret);
141 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map,
142 ARRAY_SIZE(cs42l43_dmic_map));
144 dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret);
149 int 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,
153 dai_links->init = cs42l43_dmic_rtd_init;