1 // SPDX-License-Identifier: GPL-2.0-only 2 // Copyright (c) 2023 Intel Corporation 3 4 /* 5 * sof_sdw_rt712_sdca - Helpers to handle RT712-SDCA from generic machine driver 6 */ 7 8 #include <linux/device.h> 9 #include <linux/errno.h> 10 #include <linux/soundwire/sdw.h> 11 #include <linux/soundwire/sdw_type.h> 12 #include <sound/control.h> 13 #include <sound/soc.h> 14 #include <sound/soc-acpi.h> 15 #include <sound/soc-dapm.h> 16 #include "sof_sdw_common.h" 17 18 static const struct snd_soc_dapm_widget rt712_spk_widgets[] = { 19 SND_SOC_DAPM_SPK("Speaker", NULL), 20 }; 21 22 /* 23 * dapm routes for rt712 spk will be registered dynamically according 24 * to the number of rt712 spk used. The first two entries will be registered 25 * for one codec case, and the last two entries are also registered 26 * if two rt712s are used. 27 */ 28 static const struct snd_soc_dapm_route rt712_spk_map[] = { 29 { "Speaker", NULL, "rt712 SPOL" }, 30 { "Speaker", NULL, "rt712 SPOR" }, 31 }; 32 33 static const struct snd_kcontrol_new rt712_spk_controls[] = { 34 SOC_DAPM_PIN_SWITCH("Speaker"), 35 }; 36 37 static int rt712_spk_init(struct snd_soc_pcm_runtime *rtd) 38 { 39 struct snd_soc_card *card = rtd->card; 40 int ret; 41 42 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 43 "%s spk:rt712", 44 card->components); 45 if (!card->components) 46 return -ENOMEM; 47 48 ret = snd_soc_add_card_controls(card, rt712_spk_controls, 49 ARRAY_SIZE(rt712_spk_controls)); 50 if (ret) { 51 dev_err(card->dev, "rt712 spk controls addition failed: %d\n", ret); 52 return ret; 53 } 54 55 ret = snd_soc_dapm_new_controls(&card->dapm, rt712_spk_widgets, 56 ARRAY_SIZE(rt712_spk_widgets)); 57 if (ret) { 58 dev_err(card->dev, "rt712 spk widgets addition failed: %d\n", ret); 59 return ret; 60 } 61 62 ret = snd_soc_dapm_add_routes(&card->dapm, rt712_spk_map, ARRAY_SIZE(rt712_spk_map)); 63 if (ret) 64 dev_err(rtd->dev, "failed to add SPK map: %d\n", ret); 65 66 return ret; 67 } 68 69 int sof_sdw_rt712_spk_init(struct snd_soc_card *card, 70 const struct snd_soc_acpi_link_adr *link, 71 struct snd_soc_dai_link *dai_links, 72 struct sof_sdw_codec_info *info, 73 bool playback) 74 { 75 dai_links->init = rt712_spk_init; 76 77 return 0; 78 } 79 80 static int rt712_sdca_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd) 81 { 82 struct snd_soc_card *card = rtd->card; 83 84 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 85 "%s mic:rt712-sdca-dmic", 86 card->components); 87 if (!card->components) 88 return -ENOMEM; 89 90 return 0; 91 } 92 93 int sof_sdw_rt712_sdca_dmic_init(struct snd_soc_card *card, 94 const struct snd_soc_acpi_link_adr *link, 95 struct snd_soc_dai_link *dai_links, 96 struct sof_sdw_codec_info *info, 97 bool playback) 98 { 99 dai_links->init = rt712_sdca_dmic_rtd_init; 100 101 return 0; 102 } 103