mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 08:06:49 +07:00
8ca695f273
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
339 lines
8.8 KiB
C
339 lines
8.8 KiB
C
/*
|
|
* File: sound/soc/codecs/ad1836.c
|
|
* Author: Barry Song <Barry.Song@analog.com>
|
|
*
|
|
* Created: Aug 04 2009
|
|
* Description: Driver for AD1836 sound chip
|
|
*
|
|
* Modified:
|
|
* Copyright 2009 Analog Devices Inc.
|
|
*
|
|
* Bugs: Enter bugs at http://blackfin.uclinux.org/
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/device.h>
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/pcm_params.h>
|
|
#include <sound/initval.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/tlv.h>
|
|
#include <linux/spi/spi.h>
|
|
#include "ad1836.h"
|
|
|
|
/* codec private data */
|
|
struct ad1836_priv {
|
|
enum snd_soc_control_type control_type;
|
|
void *control_data;
|
|
};
|
|
|
|
/*
|
|
* AD1836 volume/mute/de-emphasis etc. controls
|
|
*/
|
|
static const char *ad1836_deemp[] = {"None", "44.1kHz", "32kHz", "48kHz"};
|
|
|
|
static const struct soc_enum ad1836_deemp_enum =
|
|
SOC_ENUM_SINGLE(AD1836_DAC_CTRL1, 8, 4, ad1836_deemp);
|
|
|
|
static const struct snd_kcontrol_new ad1836_snd_controls[] = {
|
|
/* DAC volume control */
|
|
SOC_DOUBLE_R("DAC1 Volume", AD1836_DAC_L1_VOL,
|
|
AD1836_DAC_R1_VOL, 0, 0x3FF, 0),
|
|
SOC_DOUBLE_R("DAC2 Volume", AD1836_DAC_L2_VOL,
|
|
AD1836_DAC_R2_VOL, 0, 0x3FF, 0),
|
|
SOC_DOUBLE_R("DAC3 Volume", AD1836_DAC_L3_VOL,
|
|
AD1836_DAC_R3_VOL, 0, 0x3FF, 0),
|
|
|
|
/* ADC switch control */
|
|
SOC_DOUBLE("ADC1 Switch", AD1836_ADC_CTRL2, AD1836_ADCL1_MUTE,
|
|
AD1836_ADCR1_MUTE, 1, 1),
|
|
SOC_DOUBLE("ADC2 Switch", AD1836_ADC_CTRL2, AD1836_ADCL2_MUTE,
|
|
AD1836_ADCR2_MUTE, 1, 1),
|
|
|
|
/* DAC switch control */
|
|
SOC_DOUBLE("DAC1 Switch", AD1836_DAC_CTRL2, AD1836_DACL1_MUTE,
|
|
AD1836_DACR1_MUTE, 1, 1),
|
|
SOC_DOUBLE("DAC2 Switch", AD1836_DAC_CTRL2, AD1836_DACL2_MUTE,
|
|
AD1836_DACR2_MUTE, 1, 1),
|
|
SOC_DOUBLE("DAC3 Switch", AD1836_DAC_CTRL2, AD1836_DACL3_MUTE,
|
|
AD1836_DACR3_MUTE, 1, 1),
|
|
|
|
/* ADC high-pass filter */
|
|
SOC_SINGLE("ADC High Pass Filter Switch", AD1836_ADC_CTRL1,
|
|
AD1836_ADC_HIGHPASS_FILTER, 1, 0),
|
|
|
|
/* DAC de-emphasis */
|
|
SOC_ENUM("Playback Deemphasis", ad1836_deemp_enum),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget ad1836_dapm_widgets[] = {
|
|
SND_SOC_DAPM_DAC("DAC", "Playback", AD1836_DAC_CTRL1,
|
|
AD1836_DAC_POWERDOWN, 1),
|
|
SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_SUPPLY("ADC_PWR", AD1836_ADC_CTRL1,
|
|
AD1836_ADC_POWERDOWN, 1, NULL, 0),
|
|
SND_SOC_DAPM_OUTPUT("DAC1OUT"),
|
|
SND_SOC_DAPM_OUTPUT("DAC2OUT"),
|
|
SND_SOC_DAPM_OUTPUT("DAC3OUT"),
|
|
SND_SOC_DAPM_INPUT("ADC1IN"),
|
|
SND_SOC_DAPM_INPUT("ADC2IN"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route audio_paths[] = {
|
|
{ "DAC", NULL, "ADC_PWR" },
|
|
{ "ADC", NULL, "ADC_PWR" },
|
|
{ "DAC1OUT", "DAC1 Switch", "DAC" },
|
|
{ "DAC2OUT", "DAC2 Switch", "DAC" },
|
|
{ "DAC3OUT", "DAC3 Switch", "DAC" },
|
|
{ "ADC", "ADC1 Switch", "ADC1IN" },
|
|
{ "ADC", "ADC2 Switch", "ADC2IN" },
|
|
};
|
|
|
|
/*
|
|
* DAI ops entries
|
|
*/
|
|
|
|
static int ad1836_set_dai_fmt(struct snd_soc_dai *codec_dai,
|
|
unsigned int fmt)
|
|
{
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
/* at present, we support adc aux mode to interface with
|
|
* blackfin sport tdm mode
|
|
*/
|
|
case SND_SOC_DAIFMT_DSP_A:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
|
case SND_SOC_DAIFMT_IB_IF:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
/* ALCLK,ABCLK are both output, AD1836 can only be master */
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ad1836_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
int word_len = 0;
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
|
|
/* bit size */
|
|
switch (params_format(params)) {
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
word_len = AD1836_WORD_LEN_16;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S20_3LE:
|
|
word_len = AD1836_WORD_LEN_20;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S24_LE:
|
|
case SNDRV_PCM_FORMAT_S32_LE:
|
|
word_len = AD1836_WORD_LEN_24;
|
|
break;
|
|
}
|
|
|
|
snd_soc_update_bits(codec, AD1836_DAC_CTRL1, AD1836_DAC_WORD_LEN_MASK,
|
|
word_len << AD1836_DAC_WORD_LEN_OFFSET);
|
|
|
|
snd_soc_update_bits(codec, AD1836_ADC_CTRL2, AD1836_ADC_WORD_LEN_MASK,
|
|
word_len << AD1836_ADC_WORD_OFFSET);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int ad1836_soc_suspend(struct snd_soc_codec *codec,
|
|
pm_message_t state)
|
|
{
|
|
/* reset clock control mode */
|
|
u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
|
|
adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK;
|
|
|
|
return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
|
|
}
|
|
|
|
static int ad1836_soc_resume(struct snd_soc_codec *codec)
|
|
{
|
|
/* restore clock control mode */
|
|
u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
|
|
adc_ctrl2 |= AD1836_ADC_AUX;
|
|
|
|
return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
|
|
}
|
|
#else
|
|
#define ad1836_soc_suspend NULL
|
|
#define ad1836_soc_resume NULL
|
|
#endif
|
|
|
|
static struct snd_soc_dai_ops ad1836_dai_ops = {
|
|
.hw_params = ad1836_hw_params,
|
|
.set_fmt = ad1836_set_dai_fmt,
|
|
};
|
|
|
|
/* codec DAI instance */
|
|
static struct snd_soc_dai_driver ad1836_dai = {
|
|
.name = "ad1836-hifi",
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 6,
|
|
.rates = SNDRV_PCM_RATE_48000,
|
|
.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
|
|
SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 4,
|
|
.rates = SNDRV_PCM_RATE_48000,
|
|
.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
|
|
SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
|
|
},
|
|
.ops = &ad1836_dai_ops,
|
|
};
|
|
|
|
static int ad1836_probe(struct snd_soc_codec *codec)
|
|
{
|
|
struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(codec);
|
|
struct snd_soc_dapm_context *dapm = &codec->dapm;
|
|
int ret = 0;
|
|
|
|
codec->control_data = ad1836->control_data;
|
|
ret = snd_soc_codec_set_cache_io(codec, 4, 12, SND_SOC_SPI);
|
|
if (ret < 0) {
|
|
dev_err(codec->dev, "failed to set cache I/O: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
/* default setting for ad1836 */
|
|
/* de-emphasis: 48kHz, power-on dac */
|
|
snd_soc_write(codec, AD1836_DAC_CTRL1, 0x300);
|
|
/* unmute dac channels */
|
|
snd_soc_write(codec, AD1836_DAC_CTRL2, 0x0);
|
|
/* high-pass filter enable, power-on adc */
|
|
snd_soc_write(codec, AD1836_ADC_CTRL1, 0x100);
|
|
/* unmute adc channles, adc aux mode */
|
|
snd_soc_write(codec, AD1836_ADC_CTRL2, 0x180);
|
|
/* left/right diff:PGA/MUX */
|
|
snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A);
|
|
/* volume */
|
|
snd_soc_write(codec, AD1836_DAC_L1_VOL, 0x3FF);
|
|
snd_soc_write(codec, AD1836_DAC_R1_VOL, 0x3FF);
|
|
snd_soc_write(codec, AD1836_DAC_L2_VOL, 0x3FF);
|
|
snd_soc_write(codec, AD1836_DAC_R2_VOL, 0x3FF);
|
|
snd_soc_write(codec, AD1836_DAC_L3_VOL, 0x3FF);
|
|
snd_soc_write(codec, AD1836_DAC_R3_VOL, 0x3FF);
|
|
|
|
snd_soc_add_controls(codec, ad1836_snd_controls,
|
|
ARRAY_SIZE(ad1836_snd_controls));
|
|
snd_soc_dapm_new_controls(dapm, ad1836_dapm_widgets,
|
|
ARRAY_SIZE(ad1836_dapm_widgets));
|
|
snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths));
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* power down chip */
|
|
static int ad1836_remove(struct snd_soc_codec *codec)
|
|
{
|
|
/* reset clock control mode */
|
|
u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
|
|
adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK;
|
|
|
|
return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
|
|
}
|
|
|
|
static struct snd_soc_codec_driver soc_codec_dev_ad1836 = {
|
|
.probe = ad1836_probe,
|
|
.remove = ad1836_remove,
|
|
.suspend = ad1836_soc_suspend,
|
|
.resume = ad1836_soc_resume,
|
|
.reg_cache_size = AD1836_NUM_REGS,
|
|
.reg_word_size = sizeof(u16),
|
|
};
|
|
|
|
static int __devinit ad1836_spi_probe(struct spi_device *spi)
|
|
{
|
|
struct ad1836_priv *ad1836;
|
|
int ret;
|
|
|
|
ad1836 = kzalloc(sizeof(struct ad1836_priv), GFP_KERNEL);
|
|
if (ad1836 == NULL)
|
|
return -ENOMEM;
|
|
|
|
spi_set_drvdata(spi, ad1836);
|
|
ad1836->control_data = spi;
|
|
ad1836->control_type = SND_SOC_SPI;
|
|
|
|
ret = snd_soc_register_codec(&spi->dev,
|
|
&soc_codec_dev_ad1836, &ad1836_dai, 1);
|
|
if (ret < 0)
|
|
kfree(ad1836);
|
|
return ret;
|
|
}
|
|
|
|
static int __devexit ad1836_spi_remove(struct spi_device *spi)
|
|
{
|
|
snd_soc_unregister_codec(&spi->dev);
|
|
kfree(spi_get_drvdata(spi));
|
|
return 0;
|
|
}
|
|
|
|
static struct spi_driver ad1836_spi_driver = {
|
|
.driver = {
|
|
.name = "ad1836-codec",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.probe = ad1836_spi_probe,
|
|
.remove = __devexit_p(ad1836_spi_remove),
|
|
};
|
|
|
|
static int __init ad1836_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = spi_register_driver(&ad1836_spi_driver);
|
|
if (ret != 0) {
|
|
printk(KERN_ERR "Failed to register ad1836 SPI driver: %d\n",
|
|
ret);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
module_init(ad1836_init);
|
|
|
|
static void __exit ad1836_exit(void)
|
|
{
|
|
spi_unregister_driver(&ad1836_spi_driver);
|
|
}
|
|
module_exit(ad1836_exit);
|
|
|
|
MODULE_DESCRIPTION("ASoC ad1836 driver");
|
|
MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
|
|
MODULE_LICENSE("GPL");
|