1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * This file defines data structures and functions used in Machine 4 * Driver for Intel platforms with Nuvoton Codecs. 5 * 6 * Copyright 2023 Intel Corporation. 7 */ 8 #include <linux/module.h> 9 #include <sound/sof.h> 10 #include "sof_nuvoton_common.h" 11 12 /* 13 * Nuvoton NAU8318 14 */ 15 static const struct snd_kcontrol_new nau8318_kcontrols[] = { 16 SOC_DAPM_PIN_SWITCH("Spk"), 17 }; 18 19 static const struct snd_soc_dapm_widget nau8318_widgets[] = { 20 SND_SOC_DAPM_SPK("Spk", NULL), 21 }; 22 23 static const struct snd_soc_dapm_route nau8318_routes[] = { 24 { "Spk", NULL, "Speaker" }, 25 }; 26 27 static struct snd_soc_dai_link_component nau8318_components[] = { 28 { 29 .name = NAU8318_DEV0_NAME, 30 .dai_name = NAU8318_CODEC_DAI, 31 } 32 }; 33 34 static int nau8318_init(struct snd_soc_pcm_runtime *rtd) 35 { 36 struct snd_soc_card *card = rtd->card; 37 int ret; 38 39 ret = snd_soc_dapm_new_controls(&card->dapm, nau8318_widgets, 40 ARRAY_SIZE(nau8318_widgets)); 41 if (ret) { 42 dev_err(rtd->dev, "fail to add nau8318 widgets, ret %d\n", ret); 43 return ret; 44 } 45 46 ret = snd_soc_add_card_controls(card, nau8318_kcontrols, 47 ARRAY_SIZE(nau8318_kcontrols)); 48 if (ret) { 49 dev_err(rtd->dev, "fail to add nau8318 kcontrols, ret %d\n", ret); 50 return ret; 51 } 52 53 ret = snd_soc_dapm_add_routes(&card->dapm, nau8318_routes, 54 ARRAY_SIZE(nau8318_routes)); 55 56 if (ret) { 57 dev_err(rtd->dev, "fail to add nau8318 routes, ret %d\n", ret); 58 return ret; 59 } 60 61 return ret; 62 } 63 64 void nau8318_set_dai_link(struct snd_soc_dai_link *link) 65 { 66 link->codecs = nau8318_components; 67 link->num_codecs = ARRAY_SIZE(nau8318_components); 68 link->init = nau8318_init; 69 } 70 EXPORT_SYMBOL_NS(nau8318_set_dai_link, SND_SOC_INTEL_SOF_NUVOTON_COMMON); 71 72 MODULE_DESCRIPTION("ASoC Intel SOF Nuvoton helpers"); 73 MODULE_LICENSE("GPL"); 74