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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* snappercl15.c -- SoC audio for Bluewater Systems Snapper CL15 module
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*
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* Copyright (C) 2008 Bluewater Systems Ltd
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* Author: Ryan Mallon
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*/
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#include <linux/platform_device.h>
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#include <linux/module.h>
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#include <linux/soc/cirrus/ep93xx.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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#include <asm/mach-types.h>
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#include "../codecs/tlv320aic23.h"
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#define CODEC_CLOCK 5644800
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static int snappercl15_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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int err;
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err = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK,
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SND_SOC_CLOCK_IN);
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if (err)
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return err;
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err = snd_soc_dai_set_sysclk(cpu_dai, 0, CODEC_CLOCK,
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SND_SOC_CLOCK_OUT);
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if (err)
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return err;
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return 0;
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}
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static const struct snd_soc_ops snappercl15_ops = {
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.hw_params = snappercl15_hw_params,
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};
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static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_LINE("Line In", NULL),
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SND_SOC_DAPM_MIC("Mic Jack", NULL),
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};
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static const struct snd_soc_dapm_route audio_map[] = {
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{"Headphone Jack", NULL, "LHPOUT"},
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{"Headphone Jack", NULL, "RHPOUT"},
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{"LLINEIN", NULL, "Line In"},
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{"RLINEIN", NULL, "Line In"},
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{"MICIN", NULL, "Mic Jack"},
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};
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static struct snd_soc_dai_link snappercl15_dai = {
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.name = "tlv320aic23",
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.stream_name = "AIC23",
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.cpu_dai_name = "ep93xx-i2s",
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.codec_dai_name = "tlv320aic23-hifi",
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.codec_name = "tlv320aic23-codec.0-001a",
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.platform_name = "ep93xx-i2s",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBS_CFS,
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.ops = &snappercl15_ops,
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};
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static struct snd_soc_card snd_soc_snappercl15 = {
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.name = "Snapper CL15",
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.owner = THIS_MODULE,
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.dai_link = &snappercl15_dai,
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.num_links = 1,
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.dapm_widgets = tlv320aic23_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets),
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.dapm_routes = audio_map,
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.num_dapm_routes = ARRAY_SIZE(audio_map),
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};
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static int snappercl15_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card = &snd_soc_snappercl15;
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int ret;
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ret = ep93xx_i2s_acquire();
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if (ret)
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return ret;
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card->dev = &pdev->dev;
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ret = snd_soc_register_card(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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ep93xx_i2s_release();
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}
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return ret;
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}
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static int snappercl15_remove(struct platform_device *pdev)
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{
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struct snd_soc_card *card = platform_get_drvdata(pdev);
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snd_soc_unregister_card(card);
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ep93xx_i2s_release();
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return 0;
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}
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static struct platform_driver snappercl15_driver = {
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.driver = {
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.name = "snappercl15-audio",
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},
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.probe = snappercl15_probe,
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.remove = snappercl15_remove,
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};
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module_platform_driver(snappercl15_driver);
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MODULE_AUTHOR("Ryan Mallon");
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MODULE_DESCRIPTION("ALSA SoC Snapper CL15");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:snappercl15-audio");
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