linux_dsm_epyc7002/sound/soc/pxa/brownstone.c
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
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>
2019-05-30 11:26:32 -07:00

132 lines
3.5 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* linux/sound/soc/pxa/brownstone.c
*
* Copyright (C) 2011 Marvell International Ltd.
*/
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include "../codecs/wm8994.h"
#include "mmp-sspa.h"
static const struct snd_kcontrol_new brownstone_dapm_control[] = {
SOC_DAPM_PIN_SWITCH("Ext Spk"),
};
static const struct snd_soc_dapm_widget brownstone_dapm_widgets[] = {
SND_SOC_DAPM_SPK("Ext Spk", NULL),
SND_SOC_DAPM_HP("Headset Stereophone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Main Mic", NULL),
};
static const struct snd_soc_dapm_route brownstone_audio_map[] = {
{"Ext Spk", NULL, "SPKOUTLP"},
{"Ext Spk", NULL, "SPKOUTLN"},
{"Ext Spk", NULL, "SPKOUTRP"},
{"Ext Spk", NULL, "SPKOUTRN"},
{"Headset Stereophone", NULL, "HPOUT1L"},
{"Headset Stereophone", NULL, "HPOUT1R"},
{"IN1RN", NULL, "Headset Mic"},
{"DMIC1DAT", NULL, "MICBIAS1"},
{"MICBIAS1", NULL, "Main Mic"},
};
static int brownstone_wm8994_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int freq_out, sspa_mclk, sysclk;
if (params_rate(params) > 11025) {
freq_out = params_rate(params) * 512;
sysclk = params_rate(params) * 256;
sspa_mclk = params_rate(params) * 64;
} else {
freq_out = params_rate(params) * 1024;
sysclk = params_rate(params) * 512;
sspa_mclk = params_rate(params) * 64;
}
snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0);
snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk);
snd_soc_dai_set_pll(cpu_dai, MMP_SSPA_CLK, 0, freq_out, sspa_mclk);
/* set wm8994 sysclk */
snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, sysclk, 0);
return 0;
}
/* machine stream operations */
static const struct snd_soc_ops brownstone_ops = {
.hw_params = brownstone_wm8994_hw_params,
};
static struct snd_soc_dai_link brownstone_wm8994_dai[] = {
{
.name = "WM8994",
.stream_name = "WM8994 HiFi",
.cpu_dai_name = "mmp-sspa-dai.0",
.codec_dai_name = "wm8994-aif1",
.platform_name = "mmp-pcm-audio",
.codec_name = "wm8994-codec",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ops = &brownstone_ops,
},
};
/* audio machine driver */
static struct snd_soc_card brownstone = {
.name = "brownstone",
.owner = THIS_MODULE,
.dai_link = brownstone_wm8994_dai,
.num_links = ARRAY_SIZE(brownstone_wm8994_dai),
.controls = brownstone_dapm_control,
.num_controls = ARRAY_SIZE(brownstone_dapm_control),
.dapm_widgets = brownstone_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(brownstone_dapm_widgets),
.dapm_routes = brownstone_audio_map,
.num_dapm_routes = ARRAY_SIZE(brownstone_audio_map),
.fully_routed = true,
};
static int brownstone_probe(struct platform_device *pdev)
{
int ret;
brownstone.dev = &pdev->dev;
ret = devm_snd_soc_register_card(&pdev->dev, &brownstone);
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
ret);
return ret;
}
static struct platform_driver mmp_driver = {
.driver = {
.name = "brownstone-audio",
.pm = &snd_soc_pm_ops,
},
.probe = brownstone_probe,
};
module_platform_driver(mmp_driver);
MODULE_AUTHOR("Leo Yan <leoy@marvell.com>");
MODULE_DESCRIPTION("ALSA SoC Brownstone");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:brownstone-audio");