| // 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/of_device.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/hdmi-codec.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, |
| }, |
| |
| }; |
| |
| #define RK_MAX98090_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) |
| |
| #define RK_HDMI_WIDGETS \ |
| SND_SOC_DAPM_LINE("HDMI", NULL) |
| |
| static const struct snd_soc_dapm_widget rk_max98090_dapm_widgets[] = { |
| RK_MAX98090_WIDGETS, |
| }; |
| |
| static const struct snd_soc_dapm_widget rk_hdmi_dapm_widgets[] = { |
| RK_HDMI_WIDGETS, |
| }; |
| |
| static const struct snd_soc_dapm_widget rk_max98090_hdmi_dapm_widgets[] = { |
| RK_MAX98090_WIDGETS, |
| RK_HDMI_WIDGETS, |
| }; |
| |
| #define RK_MAX98090_AUDIO_MAP \ |
| {"IN34", NULL, "Headset Mic"}, \ |
| {"Headset Mic", NULL, "MICBIAS"}, \ |
| {"DMICL", NULL, "Int Mic"}, \ |
| {"Headphone", NULL, "HPL"}, \ |
| {"Headphone", NULL, "HPR"}, \ |
| {"Speaker", NULL, "SPKL"}, \ |
| {"Speaker", NULL, "SPKR"} |
| |
| #define RK_HDMI_AUDIO_MAP \ |
| {"HDMI", NULL, "TX"} |
| |
| static const struct snd_soc_dapm_route rk_max98090_audio_map[] = { |
| RK_MAX98090_AUDIO_MAP, |
| }; |
| |
| static const struct snd_soc_dapm_route rk_hdmi_audio_map[] = { |
| RK_HDMI_AUDIO_MAP, |
| }; |
| |
| static const struct snd_soc_dapm_route rk_max98090_hdmi_audio_map[] = { |
| RK_MAX98090_AUDIO_MAP, |
| RK_HDMI_AUDIO_MAP, |
| }; |
| |
| #define RK_MAX98090_CONTROLS \ |
| SOC_DAPM_PIN_SWITCH("Headphone"), \ |
| SOC_DAPM_PIN_SWITCH("Headset Mic"), \ |
| SOC_DAPM_PIN_SWITCH("Int Mic"), \ |
| SOC_DAPM_PIN_SWITCH("Speaker") |
| |
| #define RK_HDMI_CONTROLS \ |
| SOC_DAPM_PIN_SWITCH("HDMI") |
| |
| static const struct snd_kcontrol_new rk_max98090_controls[] = { |
| RK_MAX98090_CONTROLS, |
| }; |
| |
| static const struct snd_kcontrol_new rk_hdmi_controls[] = { |
| RK_HDMI_CONTROLS, |
| }; |
| |
| static const struct snd_kcontrol_new rk_max98090_hdmi_controls[] = { |
| RK_MAX98090_CONTROLS, |
| RK_HDMI_CONTROLS, |
| }; |
| |
| static int rk_jack_event(struct notifier_block *nb, unsigned long event, |
| void *data) |
| { |
| struct snd_soc_jack *jack = (struct snd_soc_jack *)data; |
| struct snd_soc_dapm_context *dapm = &jack->card->dapm; |
| |
| if (event & SND_JACK_MICROPHONE) { |
| snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); |
| snd_soc_dapm_force_enable_pin(dapm, "SHDN"); |
| } else { |
| snd_soc_dapm_disable_pin(dapm, "MICBIAS"); |
| snd_soc_dapm_disable_pin(dapm, "SHDN"); |
| } |
| |
| snd_soc_dapm_sync(dapm); |
| |
| return 0; |
| } |
| |
| static struct notifier_block rk_jack_nb = { |
| .notifier_call = rk_jack_event, |
| }; |
| |
| static int rk_init(struct snd_soc_pcm_runtime *runtime) |
| { |
| /* |
| * The jack has already been created in the rk_98090_headset_init() |
| * function. |
| */ |
| snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb); |
| |
| return 0; |
| } |
| |
| 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 = asoc_rtd_to_cpu(rtd, 0); |
| struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
| 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) { |
| dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret); |
| return ret; |
| } |
| |
| ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
| SND_SOC_CLOCK_IN); |
| |
| /* HDMI codec dai does not need to set sysclk. */ |
| if (!strcmp(rtd->dai_link->name, "HDMI")) |
| return 0; |
| |
| if (ret) { |
| dev_err(codec_dai->dev, "Can't set codec dai clock %d\n", ret); |
| return ret; |
| } |
| |
| return ret; |
| } |
| |
| static int rk_aif1_startup(struct snd_pcm_substream *substream) |
| { |
| /* |
| * Set period size to 240 because pl330 has issue |
| * dealing with larger period in stress testing. |
| */ |
| return snd_pcm_hw_constraint_minmax(substream->runtime, |
| SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240); |
| } |
| |
| static const struct snd_soc_ops rk_aif1_ops = { |
| .hw_params = rk_aif1_hw_params, |
| .startup = rk_aif1_startup, |
| }; |
| |
| SND_SOC_DAILINK_DEFS(analog, |
| DAILINK_COMP_ARRAY(COMP_EMPTY()), |
| DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")), |
| DAILINK_COMP_ARRAY(COMP_EMPTY())); |
| |
| SND_SOC_DAILINK_DEFS(hdmi, |
| DAILINK_COMP_ARRAY(COMP_EMPTY()), |
| DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")), |
| DAILINK_COMP_ARRAY(COMP_EMPTY())); |
| |
| enum { |
| DAILINK_MAX98090, |
| DAILINK_HDMI, |
| }; |
| |
| static struct snd_soc_jack rk_hdmi_jack; |
| |
| static int rk_hdmi_init(struct snd_soc_pcm_runtime *runtime) |
| { |
| struct snd_soc_card *card = runtime->card; |
| struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; |
| int ret; |
| |
| /* enable jack detection */ |
| ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT, |
| &rk_hdmi_jack, NULL, 0); |
| if (ret) { |
| dev_err(card->dev, "Can't new HDMI Jack %d\n", ret); |
| return ret; |
| } |
| |
| return hdmi_codec_set_jack_detect(component, &rk_hdmi_jack); |
| } |
| |
| /* max98090 dai_link */ |
| static struct snd_soc_dai_link rk_max98090_dailinks[] = { |
| { |
| .name = "max98090", |
| .stream_name = "Analog", |
| .init = rk_init, |
| .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(analog), |
| }, |
| }; |
| |
| /* HDMI codec dai_link */ |
| static struct snd_soc_dai_link rk_hdmi_dailinks[] = { |
| { |
| .name = "HDMI", |
| .stream_name = "HDMI", |
| .init = rk_hdmi_init, |
| .ops = &rk_aif1_ops, |
| .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
| SND_SOC_DAIFMT_CBS_CFS, |
| SND_SOC_DAILINK_REG(hdmi), |
| } |
| }; |
| |
| /* max98090 and HDMI codec dai_link */ |
| static struct snd_soc_dai_link rk_max98090_hdmi_dailinks[] = { |
| [DAILINK_MAX98090] = { |
| .name = "max98090", |
| .stream_name = "Analog", |
| .init = rk_init, |
| .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(analog), |
| }, |
| [DAILINK_HDMI] = { |
| .name = "HDMI", |
| .stream_name = "HDMI", |
| .init = rk_hdmi_init, |
| .ops = &rk_aif1_ops, |
| .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
| SND_SOC_DAIFMT_CBS_CFS, |
| SND_SOC_DAILINK_REG(hdmi), |
| } |
| }; |
| |
| static int rk_98090_headset_init(struct snd_soc_component *component); |
| |
| static struct snd_soc_aux_dev rk_98090_headset_dev = { |
| .dlc = COMP_EMPTY(), |
| .init = rk_98090_headset_init, |
| }; |
| |
| static struct snd_soc_card rockchip_max98090_card = { |
| .name = "ROCKCHIP-I2S", |
| .owner = THIS_MODULE, |
| .dai_link = rk_max98090_dailinks, |
| .num_links = ARRAY_SIZE(rk_max98090_dailinks), |
| .aux_dev = &rk_98090_headset_dev, |
| .num_aux_devs = 1, |
| .dapm_widgets = rk_max98090_dapm_widgets, |
| .num_dapm_widgets = ARRAY_SIZE(rk_max98090_dapm_widgets), |
| .dapm_routes = rk_max98090_audio_map, |
| .num_dapm_routes = ARRAY_SIZE(rk_max98090_audio_map), |
| .controls = rk_max98090_controls, |
| .num_controls = ARRAY_SIZE(rk_max98090_controls), |
| }; |
| |
| static struct snd_soc_card rockchip_hdmi_card = { |
| .name = "ROCKCHIP-HDMI", |
| .owner = THIS_MODULE, |
| .dai_link = rk_hdmi_dailinks, |
| .num_links = ARRAY_SIZE(rk_hdmi_dailinks), |
| .dapm_widgets = rk_hdmi_dapm_widgets, |
| .num_dapm_widgets = ARRAY_SIZE(rk_hdmi_dapm_widgets), |
| .dapm_routes = rk_hdmi_audio_map, |
| .num_dapm_routes = ARRAY_SIZE(rk_hdmi_audio_map), |
| .controls = rk_hdmi_controls, |
| .num_controls = ARRAY_SIZE(rk_hdmi_controls), |
| }; |
| |
| static struct snd_soc_card rockchip_max98090_hdmi_card = { |
| .name = "ROCKCHIP-MAX98090-HDMI", |
| .owner = THIS_MODULE, |
| .dai_link = rk_max98090_hdmi_dailinks, |
| .num_links = ARRAY_SIZE(rk_max98090_hdmi_dailinks), |
| .aux_dev = &rk_98090_headset_dev, |
| .num_aux_devs = 1, |
| .dapm_widgets = rk_max98090_hdmi_dapm_widgets, |
| .num_dapm_widgets = ARRAY_SIZE(rk_max98090_hdmi_dapm_widgets), |
| .dapm_routes = rk_max98090_hdmi_audio_map, |
| .num_dapm_routes = ARRAY_SIZE(rk_max98090_hdmi_audio_map), |
| .controls = rk_max98090_hdmi_controls, |
| .num_controls = ARRAY_SIZE(rk_max98090_hdmi_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(component->card, "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 rk_parse_headset_from_of(struct device *dev, struct device_node *np) |
| { |
| rk_98090_headset_dev.dlc.of_node = of_parse_phandle( |
| np, "rockchip,headset-codec", 0); |
| if (!rk_98090_headset_dev.dlc.of_node) { |
| dev_err(dev, |
| "Property 'rockchip,headset-codec' missing/invalid\n"); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int snd_rk_mc_probe(struct platform_device *pdev) |
| { |
| int ret = 0; |
| struct snd_soc_card *card; |
| struct device *dev = &pdev->dev; |
| struct device_node *np = pdev->dev.of_node; |
| struct device_node *np_cpu; |
| struct device_node *np_audio, *np_hdmi; |
| |
| /* Parse DTS for I2S controller. */ |
| np_cpu = of_parse_phandle(np, "rockchip,i2s-controller", 0); |
| |
| if (!np_cpu) { |
| dev_err(&pdev->dev, |
| "Property 'rockchip,i2s-controller missing or invalid\n"); |
| return -EINVAL; |
| } |
| |
| /* |
| * Find the card to use based on the presences of audio codec |
| * and hdmi codec in device property. Set their of_node accordingly. |
| */ |
| np_audio = of_parse_phandle(np, "rockchip,audio-codec", 0); |
| np_hdmi = of_parse_phandle(np, "rockchip,hdmi-codec", 0); |
| if (np_audio && np_hdmi) { |
| card = &rockchip_max98090_hdmi_card; |
| card->dai_link[DAILINK_MAX98090].codecs->of_node = np_audio; |
| card->dai_link[DAILINK_HDMI].codecs->of_node = np_hdmi; |
| card->dai_link[DAILINK_MAX98090].cpus->of_node = np_cpu; |
| card->dai_link[DAILINK_MAX98090].platforms->of_node = np_cpu; |
| card->dai_link[DAILINK_HDMI].cpus->of_node = np_cpu; |
| card->dai_link[DAILINK_HDMI].platforms->of_node = np_cpu; |
| } else if (np_audio) { |
| card = &rockchip_max98090_card; |
| card->dai_link[0].codecs->of_node = np_audio; |
| card->dai_link[0].cpus->of_node = np_cpu; |
| card->dai_link[0].platforms->of_node = np_cpu; |
| } else if (np_hdmi) { |
| card = &rockchip_hdmi_card; |
| card->dai_link[0].codecs->of_node = np_hdmi; |
| card->dai_link[0].cpus->of_node = np_cpu; |
| card->dai_link[0].platforms->of_node = np_cpu; |
| } else { |
| dev_err(dev, "At least one of codecs should be specified\n"); |
| return -EINVAL; |
| } |
| |
| card->dev = dev; |
| |
| /* Parse headset detection codec. */ |
| if (np_audio) { |
| ret = rk_parse_headset_from_of(dev, np); |
| if (ret) |
| return ret; |
| } |
| |
| /* Parse card name. */ |
| 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; |
| } |
| |
| /* register the soc card */ |
| 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); |