207 lines
5.1 KiB
C
207 lines
5.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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//
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// Lowland audio support
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//
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// Copyright 2011 Wolfson Microelectronics
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <sound/jack.h>
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#include <linux/gpio.h>
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#include <linux/module.h>
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#include "../codecs/wm5100.h"
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#include "../codecs/wm9081.h"
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#define MCLK1_RATE (44100 * 512)
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#define CLKOUT_RATE (44100 * 256)
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static struct snd_soc_jack lowland_headset;
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/* Headset jack detection DAPM pins */
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static struct snd_soc_jack_pin lowland_headset_pins[] = {
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{
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.pin = "Headphone",
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.mask = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
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},
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{
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.pin = "Headset Mic",
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.mask = SND_JACK_MICROPHONE,
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},
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};
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static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_component *component = rtd->codec_dai->component;
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int ret;
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ret = snd_soc_component_set_sysclk(component, WM5100_CLK_SYSCLK,
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WM5100_CLKSRC_MCLK1, MCLK1_RATE,
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SND_SOC_CLOCK_IN);
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if (ret < 0) {
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pr_err("Failed to set SYSCLK clock source: %d\n", ret);
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return ret;
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}
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/* Clock OPCLK, used by the other audio components. */
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ret = snd_soc_component_set_sysclk(component, WM5100_CLK_OPCLK, 0,
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CLKOUT_RATE, 0);
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if (ret < 0) {
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pr_err("Failed to set OPCLK rate: %d\n", ret);
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return ret;
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}
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ret = snd_soc_card_jack_new(rtd->card, "Headset", SND_JACK_LINEOUT |
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SND_JACK_HEADSET | SND_JACK_BTN_0,
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&lowland_headset, lowland_headset_pins,
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ARRAY_SIZE(lowland_headset_pins));
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if (ret)
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return ret;
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wm5100_detect(component, &lowland_headset);
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return 0;
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}
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static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_component *component = rtd->codec_dai->component;
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snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT");
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/* At any time the WM9081 is active it will have this clock */
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return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0,
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CLKOUT_RATE, 0);
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}
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static const struct snd_soc_pcm_stream sub_params = {
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.formats = SNDRV_PCM_FMTBIT_S32_LE,
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.rate_min = 44100,
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.rate_max = 44100,
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.channels_min = 2,
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.channels_max = 2,
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};
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SND_SOC_DAILINK_DEFS(cpu,
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DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm5100.1-001a", "wm5100-aif1")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
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SND_SOC_DAILINK_DEFS(baseband,
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DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif2")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
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SND_SOC_DAILINK_DEFS(speaker,
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DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif3")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
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static struct snd_soc_dai_link lowland_dai[] = {
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{
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.name = "CPU",
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.stream_name = "CPU",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBM_CFM,
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.init = lowland_wm5100_init,
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SND_SOC_DAILINK_REG(cpu),
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},
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{
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.name = "Baseband",
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.stream_name = "Baseband",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBM_CFM,
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.ignore_suspend = 1,
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SND_SOC_DAILINK_REG(baseband),
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},
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{
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.name = "Sub Speaker",
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.stream_name = "Sub Speaker",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBM_CFM,
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.ignore_suspend = 1,
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.params = &sub_params,
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.init = lowland_wm9081_init,
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SND_SOC_DAILINK_REG(speaker),
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},
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};
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static struct snd_soc_codec_conf lowland_codec_conf[] = {
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{
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.dev_name = "wm9081.1-006c",
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.name_prefix = "Sub",
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},
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};
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static const struct snd_kcontrol_new controls[] = {
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SOC_DAPM_PIN_SWITCH("Main Speaker"),
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SOC_DAPM_PIN_SWITCH("Main DMIC"),
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SOC_DAPM_PIN_SWITCH("Main AMIC"),
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SOC_DAPM_PIN_SWITCH("WM1250 Input"),
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SOC_DAPM_PIN_SWITCH("WM1250 Output"),
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SOC_DAPM_PIN_SWITCH("Headphone"),
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};
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static struct snd_soc_dapm_widget widgets[] = {
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SND_SOC_DAPM_HP("Headphone", NULL),
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SND_SOC_DAPM_MIC("Headset Mic", NULL),
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SND_SOC_DAPM_SPK("Main Speaker", NULL),
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SND_SOC_DAPM_MIC("Main AMIC", NULL),
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SND_SOC_DAPM_MIC("Main DMIC", NULL),
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};
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static struct snd_soc_dapm_route audio_paths[] = {
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{ "Sub IN1", NULL, "HPOUT2L" },
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{ "Sub IN2", NULL, "HPOUT2R" },
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{ "Main Speaker", NULL, "Sub SPKN" },
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{ "Main Speaker", NULL, "Sub SPKP" },
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{ "Main Speaker", NULL, "SPKDAT1" },
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};
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static struct snd_soc_card lowland = {
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.name = "Lowland",
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.owner = THIS_MODULE,
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.dai_link = lowland_dai,
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.num_links = ARRAY_SIZE(lowland_dai),
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.codec_conf = lowland_codec_conf,
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.num_configs = ARRAY_SIZE(lowland_codec_conf),
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.controls = controls,
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.num_controls = ARRAY_SIZE(controls),
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.dapm_widgets = widgets,
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.num_dapm_widgets = ARRAY_SIZE(widgets),
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.dapm_routes = audio_paths,
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.num_dapm_routes = ARRAY_SIZE(audio_paths),
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};
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static int lowland_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card = &lowland;
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int ret;
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card->dev = &pdev->dev;
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ret = devm_snd_soc_register_card(&pdev->dev, card);
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if (ret)
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dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
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ret);
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return ret;
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}
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static struct platform_driver lowland_driver = {
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.driver = {
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.name = "lowland",
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.pm = &snd_soc_pm_ops,
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},
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.probe = lowland_probe,
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};
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module_platform_driver(lowland_driver);
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MODULE_DESCRIPTION("Lowland audio support");
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MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:lowland");
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