1 // SPDX-License-Identifier: GPL-2.0-only 2 // This file incorporates work covered by the following copyright notice: 3 // Copyright (c) 2020 Intel Corporation 4 // Copyright (c) 2024 Advanced Micro Devices, Inc. 5 6 /* 7 * soc_sdw_rt700 - Helpers to handle RT700 from generic machine driver 8 */ 9 10 #include <linux/device.h> 11 #include <linux/errno.h> 12 #include <linux/input.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 <sound/soc_sdw_utils.h> 19 20 static const struct snd_soc_dapm_route rt700_map[] = { 21 /* Headphones */ 22 { "Headphones", NULL, "rt700 HP" }, 23 { "Speaker", NULL, "rt700 SPK" }, 24 { "rt700 MIC2", NULL, "AMIC" }, 25 }; 26 27 static struct snd_soc_jack_pin rt700_jack_pins[] = { 28 { 29 .pin = "Headphones", 30 .mask = SND_JACK_HEADPHONE, 31 }, 32 { 33 .pin = "AMIC", 34 .mask = SND_JACK_MICROPHONE, 35 }, 36 }; 37 38 int asoc_sdw_rt700_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai) 39 { 40 struct snd_soc_card *card = rtd->card; 41 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card); 42 struct snd_soc_component *component; 43 struct snd_soc_jack *jack; 44 int ret; 45 46 component = dai->component; 47 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 48 "%s hs:rt700", 49 card->components); 50 if (!card->components) 51 return -ENOMEM; 52 53 ret = snd_soc_dapm_add_routes(&card->dapm, rt700_map, 54 ARRAY_SIZE(rt700_map)); 55 56 if (ret) { 57 dev_err(card->dev, "rt700 map addition failed: %d\n", ret); 58 return ret; 59 } 60 61 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", 62 SND_JACK_HEADSET | SND_JACK_BTN_0 | 63 SND_JACK_BTN_1 | SND_JACK_BTN_2 | 64 SND_JACK_BTN_3, 65 &ctx->sdw_headset, 66 rt700_jack_pins, 67 ARRAY_SIZE(rt700_jack_pins)); 68 if (ret) { 69 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n", 70 ret); 71 return ret; 72 } 73 74 jack = &ctx->sdw_headset; 75 76 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 77 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 78 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 79 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 80 81 ret = snd_soc_component_set_jack(component, jack, NULL); 82 if (ret) 83 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n", 84 ret); 85 86 return ret; 87 } 88 EXPORT_SYMBOL_NS(asoc_sdw_rt700_rtd_init, SND_SOC_SDW_UTILS); 89