130 lines
2.9 KiB
C
130 lines
2.9 KiB
C
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/*
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*
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* Copyright (C) 2012 BLX Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/timer.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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static const struct snd_soc_dapm_widget lb_widgets[] = {
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SND_SOC_DAPM_HP("Headphone", NULL),
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SND_SOC_DAPM_SPK("Speaker", NULL),
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SND_SOC_DAPM_MIC("LineIn", NULL),
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};
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static const struct snd_soc_dapm_route lb_routes[] = {
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// {"Mic", NULL, "MIC"},
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// {"Speaker", NULL, "LOUT"},
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// {"Speaker", NULL, "ROUT"},
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{"Headphone", NULL, "HPL"},
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{"Headphone", NULL, "HPR"},
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{"Speaker", NULL, "SPKOUT"},
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{"Speaker", NULL, "SPKOUTN"},
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{"LINEINL", NULL, "LineIn"},
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{"LINEINR", NULL, "LineIn"},
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};
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#define LB_DAIFMT (SND_SOC_DAIFMT_I2S | \
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SND_SOC_DAIFMT_NB_NF | \
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SND_SOC_DAIFMT_CBM_CFM)
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static int lb_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_codec *codec = rtd->codec;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dapm_context *dapm = &codec->dapm;
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int ret;
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#if 0
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snd_soc_dapm_nc_pin(dapm, "LIN");
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snd_soc_dapm_nc_pin(dapm, "RIN");
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#endif
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snd_soc_dapm_nc_pin(dapm, "LineIn");
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snd_soc_dapm_nc_pin(dapm, "Headphone");
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snd_soc_dapm_nc_pin(dapm, "Speaker");
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ret = snd_soc_dai_set_fmt(cpu_dai, LB_DAIFMT);
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if (ret < 0) {
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dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret);
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return ret;
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}
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//return snd_soc_dai_set_sysclk(codec_dai, 0, 12288000, 0);
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return snd_soc_dai_set_sysclk(codec_dai, 0, 11289600, 0);
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// return 0;
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}
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static struct snd_soc_dai_link lb_dai = {
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.name = "blx_lb",
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.stream_name = "blx_lb",
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.cpu_dai_name = "gsc3280-i2s",
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.platform_name = "gsc3280-pcm-audio",
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.codec_dai_name = "alc5623-hifi",
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.codec_name = "alc562x-codec.0-001a",
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.init = lb_codec_init,
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};
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static struct snd_soc_card lb = {
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.name = "LB",
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.dai_link = &lb_dai,
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.num_links = 1,
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.dapm_widgets = lb_widgets,
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.num_dapm_widgets = ARRAY_SIZE(lb_widgets),
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.dapm_routes = lb_routes,
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.num_dapm_routes = ARRAY_SIZE(lb_routes),
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};
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static struct platform_device *lb_snd_device;
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static int __init lb_init(void)
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{
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int ret;
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lb_snd_device = platform_device_alloc("soc-audio", -1);
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if (!lb_snd_device)
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return -ENOMEM;
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platform_set_drvdata(lb_snd_device, &lb);
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ret = platform_device_add(lb_snd_device);
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if (ret) {
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pr_err("lb60 snd: Failed to add snd soc device: %d\n", ret);
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goto err_unset_pdata;
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}
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return 0;
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err_unset_pdata:
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platform_set_drvdata(lb_snd_device, NULL);
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platform_device_put(lb_snd_device);
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return ret;
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}
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module_init(lb_init);
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static void __exit lb_exit(void)
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{
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platform_device_unregister(lb_snd_device);
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}
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module_exit(lb_exit);
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MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
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MODULE_LICENSE("GPL v2");
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