^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * mt2701-wm8960.c -- MT2701 WM8960 ALSA SoC machine driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2017 MediaTek Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Author: Ryder Lee <ryder.lee@mediatek.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "mt2701-afe-common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) static const struct snd_soc_dapm_widget mt2701_wm8960_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) SND_SOC_DAPM_HP("Headphone", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) SND_SOC_DAPM_MIC("AMIC", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static const struct snd_kcontrol_new mt2701_wm8960_controls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) SOC_DAPM_PIN_SWITCH("Headphone"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) SOC_DAPM_PIN_SWITCH("AMIC"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static int mt2701_wm8960_be_ops_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) unsigned int mclk_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) unsigned int rate = params_rate(params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) unsigned int div_mclk_over_bck = rate > 192000 ? 2 : 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) unsigned int div_bck_over_lrck = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) mclk_rate = rate * div_bck_over_lrck * div_mclk_over_bck;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) snd_soc_dai_set_sysclk(cpu_dai, 0, mclk_rate, SND_SOC_CLOCK_OUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) snd_soc_dai_set_sysclk(codec_dai, 0, mclk_rate, SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static struct snd_soc_ops mt2701_wm8960_be_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .hw_params = mt2701_wm8960_be_ops_hw_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) SND_SOC_DAILINK_DEFS(playback,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) DAILINK_COMP_ARRAY(COMP_CPU("PCMO0")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) DAILINK_COMP_ARRAY(COMP_DUMMY()),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) SND_SOC_DAILINK_DEFS(capture,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) DAILINK_COMP_ARRAY(COMP_CPU("PCM0")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) DAILINK_COMP_ARRAY(COMP_DUMMY()),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) SND_SOC_DAILINK_DEFS(codec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) DAILINK_COMP_ARRAY(COMP_CPU("I2S0")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8960-hifi")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static struct snd_soc_dai_link mt2701_wm8960_dai_links[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /* FE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .name = "wm8960-playback",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .stream_name = "wm8960-playback",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .trigger = {SND_SOC_DPCM_TRIGGER_POST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) SND_SOC_DPCM_TRIGGER_POST},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .dynamic = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .dpcm_playback = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) SND_SOC_DAILINK_REG(playback),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .name = "wm8960-capture",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .stream_name = "wm8960-capture",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .trigger = {SND_SOC_DPCM_TRIGGER_POST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) SND_SOC_DPCM_TRIGGER_POST},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .dynamic = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .dpcm_capture = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) SND_SOC_DAILINK_REG(capture),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /* BE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .name = "wm8960-codec",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .no_pcm = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) | SND_SOC_DAIFMT_GATED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .ops = &mt2701_wm8960_be_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .dpcm_playback = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .dpcm_capture = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) SND_SOC_DAILINK_REG(codec),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) static struct snd_soc_card mt2701_wm8960_card = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .name = "mt2701-wm8960",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .dai_link = mt2701_wm8960_dai_links,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .num_links = ARRAY_SIZE(mt2701_wm8960_dai_links),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .controls = mt2701_wm8960_controls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .num_controls = ARRAY_SIZE(mt2701_wm8960_controls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .dapm_widgets = mt2701_wm8960_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .num_dapm_widgets = ARRAY_SIZE(mt2701_wm8960_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static int mt2701_wm8960_machine_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct snd_soc_card *card = &mt2701_wm8960_card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct device_node *platform_node, *codec_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct snd_soc_dai_link *dai_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) platform_node = of_parse_phandle(pdev->dev.of_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) "mediatek,platform", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (!platform_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) for_each_card_prelinks(card, i, dai_link) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) if (dai_link->platforms->name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) dai_link->platforms->of_node = platform_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) card->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) codec_node = of_parse_phandle(pdev->dev.of_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) "mediatek,audio-codec", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (!codec_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) "Property 'audio-codec' missing or invalid\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) for_each_card_prelinks(card, i, dai_link) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (dai_link->codecs->name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) dai_link->codecs->of_node = codec_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) ret = devm_snd_soc_register_card(&pdev->dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #ifdef CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static const struct of_device_id mt2701_wm8960_machine_dt_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {.compatible = "mediatek,mt2701-wm8960-machine",},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static struct platform_driver mt2701_wm8960_machine = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .name = "mt2701-wm8960",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) #ifdef CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .of_match_table = mt2701_wm8960_machine_dt_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .probe = mt2701_wm8960_machine_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) module_platform_driver(mt2701_wm8960_machine);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /* Module information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) MODULE_DESCRIPTION("MT2701 WM8960 ALSA SoC machine driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) MODULE_AUTHOR("Ryder Lee <ryder.lee@mediatek.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) MODULE_ALIAS("mt2701 wm8960 soc card");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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