1// SPDX-License-Identifier: GPL-2.0-only 2// Copyright (c) 2020 Intel Corporation 3 4/* 5 * sof_sdw_rt700 - Helpers to handle RT700 from generic machine driver 6 */ 7 8#include <linux/device.h> 9#include <linux/errno.h> 10#include <linux/input.h> 11#include <sound/control.h> 12#include <sound/soc.h> 13#include <sound/soc-acpi.h> 14#include <sound/soc-dapm.h> 15#include <sound/jack.h> 16#include "sof_board_helpers.h" 17#include "sof_sdw_common.h" 18 19static const struct snd_soc_dapm_widget rt700_widgets[] = { 20 SND_SOC_DAPM_HP("Headphones", NULL), 21 SND_SOC_DAPM_MIC("AMIC", NULL), 22 SND_SOC_DAPM_SPK("Speaker", NULL), 23}; 24 25static const struct snd_soc_dapm_route rt700_map[] = { 26 /* Headphones */ 27 { "Headphones", NULL, "rt700 HP" }, 28 { "Speaker", NULL, "rt700 SPK" }, 29 { "rt700 MIC2", NULL, "AMIC" }, 30}; 31 32static const struct snd_kcontrol_new rt700_controls[] = { 33 SOC_DAPM_PIN_SWITCH("Headphones"), 34 SOC_DAPM_PIN_SWITCH("AMIC"), 35 SOC_DAPM_PIN_SWITCH("Speaker"), 36}; 37 38static struct snd_soc_jack_pin rt700_jack_pins[] = { 39 { 40 .pin = "Headphones", 41 .mask = SND_JACK_HEADPHONE, 42 }, 43 { 44 .pin = "AMIC", 45 .mask = SND_JACK_MICROPHONE, 46 }, 47}; 48 49static const char * const jack_codecs[] = { 50 "rt700" 51}; 52 53int rt700_rtd_init(struct snd_soc_pcm_runtime *rtd) 54{ 55 struct snd_soc_card *card = rtd->card; 56 struct mc_private *ctx = snd_soc_card_get_drvdata(card); 57 struct snd_soc_dai *codec_dai; 58 struct snd_soc_component *component; 59 struct snd_soc_jack *jack; 60 int ret; 61 62 codec_dai = get_codec_dai_by_name(rtd, jack_codecs, ARRAY_SIZE(jack_codecs)); 63 if (!codec_dai) 64 return -EINVAL; 65 66 component = codec_dai->component; 67 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 68 "%s hs:rt700", 69 card->components); 70 if (!card->components) 71 return -ENOMEM; 72 73 ret = snd_soc_add_card_controls(card, rt700_controls, 74 ARRAY_SIZE(rt700_controls)); 75 if (ret) { 76 dev_err(card->dev, "rt700 controls addition failed: %d\n", ret); 77 return ret; 78 } 79 80 ret = snd_soc_dapm_new_controls(&card->dapm, rt700_widgets, 81 ARRAY_SIZE(rt700_widgets)); 82 if (ret) { 83 dev_err(card->dev, "rt700 widgets addition failed: %d\n", ret); 84 return ret; 85 } 86 87 ret = snd_soc_dapm_add_routes(&card->dapm, rt700_map, 88 ARRAY_SIZE(rt700_map)); 89 90 if (ret) { 91 dev_err(card->dev, "rt700 map addition failed: %d\n", ret); 92 return ret; 93 } 94 95 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", 96 SND_JACK_HEADSET | SND_JACK_BTN_0 | 97 SND_JACK_BTN_1 | SND_JACK_BTN_2 | 98 SND_JACK_BTN_3, 99 &ctx->sdw_headset, 100 rt700_jack_pins, 101 ARRAY_SIZE(rt700_jack_pins)); 102 if (ret) { 103 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n", 104 ret); 105 return ret; 106 } 107 108 jack = &ctx->sdw_headset; 109 110 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 111 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 112 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 113 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 114 115 ret = snd_soc_component_set_jack(component, jack, NULL); 116 if (ret) 117 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n", 118 ret); 119 120 return ret; 121} 122MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS); 123