// SPDX-License-Identifier: GPL-2.0 // // mt6797-mt6351.c -- MT6797 MT6351 ALSA SoC machine driver // // Copyright (c) 2018 MediaTek Inc. // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com> #include <linux/module.h> #include <sound/soc.h> #include "mt6797-afe-common.h" SND_SOC_DAILINK_DEFS(playback_1, DAILINK_COMP_ARRAY(COMP_CPU("DL1")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(playback_2, DAILINK_COMP_ARRAY(COMP_CPU("DL2")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(playback_3, DAILINK_COMP_ARRAY(COMP_CPU("DL3")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(capture_1, DAILINK_COMP_ARRAY(COMP_CPU("UL1")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(capture_2, DAILINK_COMP_ARRAY(COMP_CPU("UL2")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(capture_3, DAILINK_COMP_ARRAY(COMP_CPU("UL3")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(capture_mono_1, DAILINK_COMP_ARRAY(COMP_CPU("UL_MONO_1")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(hostless_lpbk, DAILINK_COMP_ARRAY(COMP_CPU("Hostless LPBK DAI")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(hostless_speech, DAILINK_COMP_ARRAY(COMP_CPU("Hostless Speech DAI")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(primary_codec, DAILINK_COMP_ARRAY(COMP_CPU("ADDA")), DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "mt6351-snd-codec-aif1")), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(pcm1, DAILINK_COMP_ARRAY(COMP_CPU("PCM 1")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); SND_SOC_DAILINK_DEFS(pcm2, DAILINK_COMP_ARRAY(COMP_CPU("PCM 2")), DAILINK_COMP_ARRAY(COMP_DUMMY()), DAILINK_COMP_ARRAY(COMP_EMPTY())); static struct snd_soc_dai_link mt6797_mt6351_dai_links[] = { /* FE */ { .name = "Playback_1", .stream_name = "Playback_1", .trigger = {SND_SOC_DPCM_TRIGGER_PRE, SND_SOC_DPCM_TRIGGER_PRE}, .dynamic = 1, .dpcm_playback = 1, SND_SOC_DAILINK_REG(playback_1), }, { .name = "Playback_2", .stream_name = "Playback_2", .trigger = {SND_SOC_DPCM_TRIGGER_PRE, SND_SOC_DPCM_TRIGGER_PRE}, .dynamic = 1, .dpcm_playback = 1, SND_SOC_DAILINK_REG(playback_2), }, { .name = "Playback_3", .stream_name = "Playback_3", .trigger = {SND_SOC_DPCM_TRIGGER_PRE, SND_SOC_DPCM_TRIGGER_PRE}, .dynamic = 1, .dpcm_playback = 1, SND_SOC_DAILINK_REG(playback_3), }, { .name = "Capture_1", .stream_name = "Capture_1", .trigger = {SND_SOC_DPCM_TRIGGER_PRE, SND_SOC_DPCM_TRIGGER_PRE}, .dynamic = 1, .dpcm_capture = 1, SND_SOC_DAILINK_REG(capture_1), }, { .name = "Capture_2", .stream_name = "Capture_2", .trigger = {SND_SOC_DPCM_TRIGGER_PRE, SND_SOC_DPCM_TRIGGER_PRE}, .dynamic = 1, .dpcm_capture = 1, SND_SOC_DAILINK_REG(capture_2), }, { .name = "Capture_3", .stream_name = "Capture_3", .trigger = {SND_SOC_DPCM_TRIGGER_PRE, SND_SOC_DPCM_TRIGGER_PRE}, .dynamic = 1, .dpcm_capture = 1, SND_SOC_DAILINK_REG(capture_3), }, { .name = "Capture_Mono_1", .stream_name = "Capture_Mono_1", .trigger = {SND_SOC_DPCM_TRIGGER_PRE, SND_SOC_DPCM_TRIGGER_PRE}, .dynamic = 1, .dpcm_capture = 1, SND_SOC_DAILINK_REG(capture_mono_1), }, { .name = "Hostless_LPBK", .stream_name = "Hostless_LPBK", .trigger = {SND_SOC_DPCM_TRIGGER_PRE, SND_SOC_DPCM_TRIGGER_PRE}, .dynamic = 1, .dpcm_playback = 1, .dpcm_capture = 1, .ignore_suspend = 1, SND_SOC_DAILINK_REG(hostless_lpbk), }, { .name = "Hostless_Speech", .stream_name = "Hostless_Speech", .trigger = {SND_SOC_DPCM_TRIGGER_PRE, SND_SOC_DPCM_TRIGGER_PRE}, .dynamic = 1, .dpcm_playback = 1, .dpcm_capture = 1, .ignore_suspend = 1, SND_SOC_DAILINK_REG(hostless_speech), }, /* BE */ { .name = "Primary Codec", .no_pcm = 1, .dpcm_playback = 1, .dpcm_capture = 1, .ignore_suspend = 1, SND_SOC_DAILINK_REG(primary_codec), }, { .name = "PCM 1", .no_pcm = 1, .dpcm_playback = 1, .dpcm_capture = 1, .ignore_suspend = 1, SND_SOC_DAILINK_REG(pcm1), }, { .name = "PCM 2", .no_pcm = 1, .dpcm_playback = 1, .dpcm_capture = 1, .ignore_suspend = 1, SND_SOC_DAILINK_REG(pcm2), }, }; static struct snd_soc_card mt6797_mt6351_card = { .name = "mt6797-mt6351", .owner = THIS_MODULE, .dai_link = mt6797_mt6351_dai_links, .num_links = ARRAY_SIZE(mt6797_mt6351_dai_links), }; static int mt6797_mt6351_dev_probe(struct platform_device *pdev) { struct snd_soc_card *card = &mt6797_mt6351_card; struct device_node *platform_node, *codec_node; struct snd_soc_dai_link *dai_link; int ret, i; card->dev = &pdev->dev; platform_node = of_parse_phandle(pdev->dev.of_node, "mediatek,platform", 0); if (!platform_node) { dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); return -EINVAL; } for_each_card_prelinks(card, i, dai_link) { if (dai_link->platforms->name) continue; dai_link->platforms->of_node = platform_node; } codec_node = of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); if (!codec_node) { dev_err(&pdev->dev, "Property 'audio-codec' missing or invalid\n"); ret = -EINVAL; goto put_platform_node; } for_each_card_prelinks(card, i, dai_link) { if (dai_link->codecs->name) continue; dai_link->codecs->of_node = codec_node; } ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); of_node_put(codec_node); put_platform_node: of_node_put(platform_node); return ret; } #ifdef CONFIG_OF static const struct of_device_id mt6797_mt6351_dt_match[] = { {.compatible = "mediatek,mt6797-mt6351-sound",}, {} }; MODULE_DEVICE_TABLE(of, mt6797_mt6351_dt_match); #endif static struct platform_driver mt6797_mt6351_driver = { .driver = { .name = "mt6797-mt6351", #ifdef CONFIG_OF .of_match_table = mt6797_mt6351_dt_match, #endif }, .probe = mt6797_mt6351_dev_probe, }; module_platform_driver(mt6797_mt6351_driver); /* Module information */ MODULE_DESCRIPTION("MT6797 MT6351 ALSA SoC machine driver"); MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("mt6797 mt6351 soc card");