// SPDX-License-Identifier: GPL-2.0-only /* * Rockchip machine ASoC driver for boards using a MAX90809 CODEC. * * Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved. */ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/gpio.h> #include <linux/of_gpio.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include "rockchip_i2s.h" #include "../codecs/ts3a227e.h" #define DRV_NAME "rockchip-snd-max98090" static struct snd_soc_jack headset_jack; /* Headset jack detection DAPM pins */ static struct snd_soc_jack_pin headset_jack_pins[] = { { .pin = "Headphone", .mask = SND_JACK_HEADPHONE, }, { .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE, }, }; static const struct snd_soc_dapm_widget rk_dapm_widgets[] = { SND_SOC_DAPM_HP("Headphone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_MIC("Int Mic", NULL), SND_SOC_DAPM_SPK("Speaker", NULL), }; static const struct snd_soc_dapm_route rk_audio_map[] = { {"IN34", NULL, "Headset Mic"}, {"IN34", NULL, "MICBIAS"}, {"Headset Mic", NULL, "MICBIAS"}, {"DMICL", NULL, "Int Mic"}, {"Headphone", NULL, "HPL"}, {"Headphone", NULL, "HPR"}, {"Speaker", NULL, "SPKL"}, {"Speaker", NULL, "SPKR"}, }; static const struct snd_kcontrol_new rk_mc_controls[] = { SOC_DAPM_PIN_SWITCH("Headphone"), SOC_DAPM_PIN_SWITCH("Headset Mic"), SOC_DAPM_PIN_SWITCH("Int Mic"), SOC_DAPM_PIN_SWITCH("Speaker"), }; static int rk_aif1_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { int ret = 0; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai *codec_dai = rtd->codec_dai; int mclk; switch (params_rate(params)) { case 8000: case 16000: case 24000: case 32000: case 48000: case 64000: case 96000: mclk = 12288000; break; case 11025: case 22050: case 44100: case 88200: mclk = 11289600; break; default: return -EINVAL; } ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, SND_SOC_CLOCK_OUT); if (ret < 0) { dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); return ret; } ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); return ret; } return ret; } static const struct snd_soc_ops rk_aif1_ops = { .hw_params = rk_aif1_hw_params, }; static struct snd_soc_dai_link rk_dailink = { .name = "max98090", .stream_name = "Audio", .codec_dai_name = "HiFi", .ops = &rk_aif1_ops, /* set max98090 as slave */ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, }; static int rk_98090_headset_init(struct snd_soc_component *component); static struct snd_soc_aux_dev rk_98090_headset_dev = { .name = "Headset Chip", .init = rk_98090_headset_init, }; static struct snd_soc_card snd_soc_card_rk = { .name = "ROCKCHIP-I2S", .owner = THIS_MODULE, .dai_link = &rk_dailink, .num_links = 1, .aux_dev = &rk_98090_headset_dev, .num_aux_devs = 1, .dapm_widgets = rk_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), .dapm_routes = rk_audio_map, .num_dapm_routes = ARRAY_SIZE(rk_audio_map), .controls = rk_mc_controls, .num_controls = ARRAY_SIZE(rk_mc_controls), }; static int rk_98090_headset_init(struct snd_soc_component *component) { int ret; /* Enable Headset and 4 Buttons Jack detection */ ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, &headset_jack, headset_jack_pins, ARRAY_SIZE(headset_jack_pins)); if (ret) return ret; ret = ts3a227e_enable_jack_detect(component, &headset_jack); return ret; } static int snd_rk_mc_probe(struct platform_device *pdev) { int ret = 0; struct snd_soc_card *card = &snd_soc_card_rk; struct device_node *np = pdev->dev.of_node; /* register the soc card */ card->dev = &pdev->dev; rk_dailink.codec_of_node = of_parse_phandle(np, "rockchip,audio-codec", 0); if (!rk_dailink.codec_of_node) { dev_err(&pdev->dev, "Property 'rockchip,audio-codec' missing or invalid\n"); return -EINVAL; } rk_dailink.cpu_of_node = of_parse_phandle(np, "rockchip,i2s-controller", 0); if (!rk_dailink.cpu_of_node) { dev_err(&pdev->dev, "Property 'rockchip,i2s-controller' missing or invalid\n"); return -EINVAL; } rk_dailink.platform_of_node = rk_dailink.cpu_of_node; rk_98090_headset_dev.codec_of_node = of_parse_phandle(np, "rockchip,headset-codec", 0); if (!rk_98090_headset_dev.codec_of_node) { dev_err(&pdev->dev, "Property 'rockchip,headset-codec' missing/invalid\n"); return -EINVAL; } ret = snd_soc_of_parse_card_name(card, "rockchip,model"); if (ret) { dev_err(&pdev->dev, "Soc parse card name failed %d\n", ret); return ret; } ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) { dev_err(&pdev->dev, "Soc register card failed %d\n", ret); return ret; } return ret; } static const struct of_device_id rockchip_max98090_of_match[] = { { .compatible = "rockchip,rockchip-audio-max98090", }, {}, }; MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match); static struct platform_driver snd_rk_mc_driver = { .probe = snd_rk_mc_probe, .driver = { .name = DRV_NAME, .pm = &snd_soc_pm_ops, .of_match_table = rockchip_max98090_of_match, }, }; module_platform_driver(snd_rk_mc_driver); MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>"); MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:" DRV_NAME);