1// SPDX-License-Identifier: GPL-2.0-only 2// Copyright (c) 2023 Intel Corporation 3 4/* 5 * sof_sdw_cs42l42 - Helpers to handle CS42L42 from generic machine driver 6 */ 7 8#include <linux/device.h> 9#include <linux/errno.h> 10#include <linux/input.h> 11#include <linux/soundwire/sdw.h> 12#include <linux/soundwire/sdw_type.h> 13#include <sound/control.h> 14#include <sound/soc.h> 15#include <sound/soc-acpi.h> 16#include <sound/soc-dapm.h> 17#include <sound/jack.h> 18#include "sof_board_helpers.h" 19#include "sof_sdw_common.h" 20 21static const struct snd_soc_dapm_widget cs42l42_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 cs42l42_map[] = { 27 /* HP jack connectors - unknown if we have jack detection */ 28 {"Headphone", NULL, "cs42l42 HP"}, 29 30 /* other jacks */ 31 {"cs42l42 HS", NULL, "Headset Mic"}, 32}; 33 34static const struct snd_kcontrol_new cs42l42_controls[] = { 35 SOC_DAPM_PIN_SWITCH("Headphone"), 36 SOC_DAPM_PIN_SWITCH("Headset Mic"), 37}; 38 39static struct snd_soc_jack_pin cs42l42_jack_pins[] = { 40 { 41 .pin = "Headphone", 42 .mask = SND_JACK_HEADPHONE, 43 }, 44 { 45 .pin = "Headset Mic", 46 .mask = SND_JACK_MICROPHONE, 47 }, 48}; 49 50static const char * const jack_codecs[] = { 51 "cs42l42" 52}; 53 54int cs42l42_rtd_init(struct snd_soc_pcm_runtime *rtd) 55{ 56 struct snd_soc_card *card = rtd->card; 57 struct mc_private *ctx = snd_soc_card_get_drvdata(card); 58 struct snd_soc_dai *codec_dai; 59 struct snd_soc_component *component; 60 struct snd_soc_jack *jack; 61 int ret; 62 63 codec_dai = get_codec_dai_by_name(rtd, jack_codecs, ARRAY_SIZE(jack_codecs)); 64 if (!codec_dai) 65 return -EINVAL; 66 67 component = codec_dai->component; 68 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 69 "%s hs:cs42l42", 70 card->components); 71 if (!card->components) 72 return -ENOMEM; 73 74 ret = snd_soc_add_card_controls(card, cs42l42_controls, 75 ARRAY_SIZE(cs42l42_controls)); 76 if (ret) { 77 dev_err(card->dev, "cs42l42 control addition failed: %d\n", ret); 78 return ret; 79 } 80 81 ret = snd_soc_dapm_new_controls(&card->dapm, cs42l42_widgets, 82 ARRAY_SIZE(cs42l42_widgets)); 83 if (ret) { 84 dev_err(card->dev, "cs42l42 widgets addition failed: %d\n", ret); 85 return ret; 86 } 87 88 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l42_map, 89 ARRAY_SIZE(cs42l42_map)); 90 91 if (ret) { 92 dev_err(card->dev, "cs42l42 map addition failed: %d\n", ret); 93 return ret; 94 } 95 96 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", 97 SND_JACK_HEADSET | SND_JACK_BTN_0 | 98 SND_JACK_BTN_1 | SND_JACK_BTN_2 | 99 SND_JACK_BTN_3, 100 &ctx->sdw_headset, 101 cs42l42_jack_pins, 102 ARRAY_SIZE(cs42l42_jack_pins)); 103 if (ret) { 104 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n", 105 ret); 106 return ret; 107 } 108 109 jack = &ctx->sdw_headset; 110 111 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 112 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); 113 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); 114 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); 115 116 ret = snd_soc_component_set_jack(component, jack, NULL); 117 118 if (ret) 119 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n", 120 ret); 121 122 return ret; 123} 124MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS); 125