| // 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, |
| }; |
| |
| SND_SOC_DAILINK_DEFS(hifi, |
| DAILINK_COMP_ARRAY(COMP_EMPTY()), |
| DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")), |
| DAILINK_COMP_ARRAY(COMP_EMPTY())); |
| |
| static struct snd_soc_dai_link rk_dailink = { |
| .name = "max98090", |
| .stream_name = "Audio", |
| .ops = &rk_aif1_ops, |
| /* set max98090 as slave */ |
| .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
| SND_SOC_DAIFMT_CBS_CFS, |
| SND_SOC_DAILINK_REG(hifi), |
| }; |
| |
| 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.codecs->of_node = of_parse_phandle(np, |
| "rockchip,audio-codec", 0); |
| if (!rk_dailink.codecs->of_node) { |
| dev_err(&pdev->dev, |
| "Property 'rockchip,audio-codec' missing or invalid\n"); |
| return -EINVAL; |
| } |
| |
| rk_dailink.cpus->of_node = of_parse_phandle(np, |
| "rockchip,i2s-controller", 0); |
| if (!rk_dailink.cpus->of_node) { |
| dev_err(&pdev->dev, |
| "Property 'rockchip,i2s-controller' missing or invalid\n"); |
| return -EINVAL; |
| } |
| |
| rk_dailink.platforms->of_node = rk_dailink.cpus->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); |