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353 lines
8.7 KiB
353 lines
8.7 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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// |
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// Speyside 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/wm8996.h" |
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#include "../codecs/wm9081.h" |
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#define WM8996_HPSEL_GPIO 214 |
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#define MCLK_AUDIO_RATE (512 * 48000) |
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static int speyside_set_bias_level(struct snd_soc_card *card, |
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struct snd_soc_dapm_context *dapm, |
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enum snd_soc_bias_level level) |
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{ |
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struct snd_soc_pcm_runtime *rtd; |
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struct snd_soc_dai *codec_dai; |
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int ret; |
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[1]); |
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codec_dai = asoc_rtd_to_codec(rtd, 0); |
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if (dapm->dev != codec_dai->dev) |
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return 0; |
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switch (level) { |
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case SND_SOC_BIAS_STANDBY: |
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ret = snd_soc_dai_set_sysclk(codec_dai, WM8996_SYSCLK_MCLK2, |
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32768, SND_SOC_CLOCK_IN); |
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if (ret < 0) |
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return ret; |
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ret = snd_soc_dai_set_pll(codec_dai, WM8996_FLL_MCLK2, |
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0, 0, 0); |
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if (ret < 0) { |
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pr_err("Failed to stop FLL\n"); |
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return ret; |
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} |
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break; |
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default: |
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break; |
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} |
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return 0; |
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} |
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static int speyside_set_bias_level_post(struct snd_soc_card *card, |
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struct snd_soc_dapm_context *dapm, |
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enum snd_soc_bias_level level) |
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{ |
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struct snd_soc_pcm_runtime *rtd; |
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struct snd_soc_dai *codec_dai; |
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int ret; |
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[1]); |
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codec_dai = asoc_rtd_to_codec(rtd, 0); |
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if (dapm->dev != codec_dai->dev) |
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return 0; |
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switch (level) { |
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case SND_SOC_BIAS_PREPARE: |
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if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) { |
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ret = snd_soc_dai_set_pll(codec_dai, 0, |
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WM8996_FLL_MCLK2, |
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32768, MCLK_AUDIO_RATE); |
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if (ret < 0) { |
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pr_err("Failed to start FLL\n"); |
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return ret; |
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} |
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ret = snd_soc_dai_set_sysclk(codec_dai, |
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WM8996_SYSCLK_FLL, |
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MCLK_AUDIO_RATE, |
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SND_SOC_CLOCK_IN); |
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if (ret < 0) |
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return ret; |
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} |
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break; |
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default: |
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break; |
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} |
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card->dapm.bias_level = level; |
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return 0; |
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} |
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static struct snd_soc_jack speyside_headset; |
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/* Headset jack detection DAPM pins */ |
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static struct snd_soc_jack_pin speyside_headset_pins[] = { |
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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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/* Default the headphone selection to active high */ |
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static int speyside_jack_polarity; |
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static int speyside_get_micbias(struct snd_soc_dapm_widget *source, |
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struct snd_soc_dapm_widget *sink) |
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{ |
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if (speyside_jack_polarity && (strcmp(source->name, "MICB1") == 0)) |
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return 1; |
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if (!speyside_jack_polarity && (strcmp(source->name, "MICB2") == 0)) |
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return 1; |
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return 0; |
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} |
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static void speyside_set_polarity(struct snd_soc_component *component, |
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int polarity) |
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{ |
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speyside_jack_polarity = !polarity; |
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gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity); |
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/* Re-run DAPM to make sure we're using the correct mic bias */ |
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snd_soc_dapm_sync(snd_soc_component_get_dapm(component)); |
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} |
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static int speyside_wm0010_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); |
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int ret; |
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ret = snd_soc_dai_set_sysclk(dai, 0, MCLK_AUDIO_RATE, 0); |
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if (ret < 0) |
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return ret; |
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return 0; |
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} |
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static int speyside_wm8996_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); |
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struct snd_soc_component *component = dai->component; |
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int ret; |
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ret = snd_soc_dai_set_sysclk(dai, WM8996_SYSCLK_MCLK2, 32768, 0); |
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if (ret < 0) |
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return ret; |
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ret = gpio_request(WM8996_HPSEL_GPIO, "HP_SEL"); |
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if (ret != 0) |
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pr_err("Failed to request HP_SEL GPIO: %d\n", ret); |
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gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity); |
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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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&speyside_headset, speyside_headset_pins, |
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ARRAY_SIZE(speyside_headset_pins)); |
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if (ret) |
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return ret; |
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wm8996_detect(component, &speyside_headset, speyside_set_polarity); |
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return 0; |
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} |
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static int speyside_late_probe(struct snd_soc_card *card) |
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{ |
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snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone"); |
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snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic"); |
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snd_soc_dapm_ignore_suspend(&card->dapm, "Main AMIC"); |
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snd_soc_dapm_ignore_suspend(&card->dapm, "Main DMIC"); |
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snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker"); |
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snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output"); |
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snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input"); |
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return 0; |
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} |
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static const struct snd_soc_pcm_stream dsp_codec_params = { |
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.formats = SNDRV_PCM_FMTBIT_S32_LE, |
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.rate_min = 48000, |
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.rate_max = 48000, |
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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_dsp, |
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DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")), |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); |
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SND_SOC_DAILINK_DEFS(dsp_codec, |
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DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm8996.1-001a", "wm8996-aif1"))); |
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SND_SOC_DAILINK_DEFS(baseband, |
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DAILINK_COMP_ARRAY(COMP_CPU("wm8996-aif2")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1"))); |
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static struct snd_soc_dai_link speyside_dai[] = { |
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{ |
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.name = "CPU-DSP", |
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.stream_name = "CPU-DSP", |
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.init = speyside_wm0010_init, |
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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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SND_SOC_DAILINK_REG(cpu_dsp), |
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}, |
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{ |
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.name = "DSP-CODEC", |
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.stream_name = "DSP-CODEC", |
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.init = speyside_wm8996_init, |
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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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.params = &dsp_codec_params, |
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.ignore_suspend = 1, |
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SND_SOC_DAILINK_REG(dsp_codec), |
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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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static int speyside_wm9081_init(struct snd_soc_component *component) |
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{ |
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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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MCLK_AUDIO_RATE, 0); |
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} |
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static struct snd_soc_aux_dev speyside_aux_dev[] = { |
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{ |
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.dlc = COMP_AUX("wm9081.1-006c"), |
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.init = speyside_wm9081_init, |
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}, |
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}; |
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static struct snd_soc_codec_conf speyside_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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{ "IN1RN", NULL, "MICB1" }, |
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{ "IN1RP", NULL, "MICB1" }, |
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{ "IN1RN", NULL, "MICB2" }, |
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{ "IN1RP", NULL, "MICB2" }, |
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{ "MICB1", NULL, "Headset Mic", speyside_get_micbias }, |
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{ "MICB2", NULL, "Headset Mic", speyside_get_micbias }, |
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{ "IN1LP", NULL, "MICB2" }, |
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{ "IN1RN", NULL, "MICB1" }, |
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{ "MICB2", NULL, "Main AMIC" }, |
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{ "DMIC1DAT", NULL, "MICB1" }, |
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{ "DMIC2DAT", NULL, "MICB1" }, |
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{ "MICB1", NULL, "Main DMIC" }, |
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{ "Headphone", NULL, "HPOUT1L" }, |
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{ "Headphone", NULL, "HPOUT1R" }, |
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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, "SPKDAT" }, |
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}; |
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static struct snd_soc_card speyside = { |
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.name = "Speyside", |
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.owner = THIS_MODULE, |
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.dai_link = speyside_dai, |
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.num_links = ARRAY_SIZE(speyside_dai), |
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.aux_dev = speyside_aux_dev, |
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.num_aux_devs = ARRAY_SIZE(speyside_aux_dev), |
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.codec_conf = speyside_codec_conf, |
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.num_configs = ARRAY_SIZE(speyside_codec_conf), |
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.set_bias_level = speyside_set_bias_level, |
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.set_bias_level_post = speyside_set_bias_level_post, |
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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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.fully_routed = true, |
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.late_probe = speyside_late_probe, |
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}; |
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static int speyside_probe(struct platform_device *pdev) |
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{ |
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struct snd_soc_card *card = &speyside; |
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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 speyside_driver = { |
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.driver = { |
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.name = "speyside", |
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.pm = &snd_soc_pm_ops, |
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}, |
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.probe = speyside_probe, |
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}; |
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module_platform_driver(speyside_driver); |
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MODULE_DESCRIPTION("Speyside 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:speyside");
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