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206 lines
5.2 KiB
206 lines
5.2 KiB
// 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 = asoc_rtd_to_codec(rtd, 0)->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 = asoc_rtd_to_codec(rtd, 0)->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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.dlc = COMP_CODEC_CONF("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 && ret != -EPROBE_DEFER) |
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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 <[email protected]>"); |
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MODULE_LICENSE("GPL"); |
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MODULE_ALIAS("platform:lowland");
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