mirror of https://gitee.com/openkylin/linux.git
307 lines
8.1 KiB
C
307 lines
8.1 KiB
C
/*
|
|
* ASoC driver for TI DAVINCI EVM platform
|
|
*
|
|
* Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
|
|
* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/i2c.h>
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/soc-dapm.h>
|
|
|
|
#include <asm/dma.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <mach/asp.h>
|
|
#include <mach/edma.h>
|
|
#include <mach/mux.h>
|
|
|
|
#include "../codecs/tlv320aic3x.h"
|
|
#include "davinci-pcm.h"
|
|
#include "davinci-i2s.h"
|
|
#include "davinci-mcasp.h"
|
|
|
|
#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \
|
|
SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF)
|
|
static int evm_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 ret = 0;
|
|
unsigned sysclk;
|
|
|
|
/* ASP1 on DM355 EVM is clocked by an external oscillator */
|
|
if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm() ||
|
|
machine_is_davinci_dm365_evm())
|
|
sysclk = 27000000;
|
|
|
|
/* ASP0 in DM6446 EVM is clocked by U55, as configured by
|
|
* board-dm644x-evm.c using GPIOs from U18. There are six
|
|
* options; here we "know" we use a 48 KHz sample rate.
|
|
*/
|
|
else if (machine_is_davinci_evm())
|
|
sysclk = 12288000;
|
|
|
|
else if (machine_is_davinci_da830_evm() ||
|
|
machine_is_davinci_da850_evm())
|
|
sysclk = 24576000;
|
|
|
|
else
|
|
return -EINVAL;
|
|
|
|
/* set codec DAI configuration */
|
|
ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* set cpu DAI configuration */
|
|
ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* set the codec system clock */
|
|
ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int evm_spdif_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 *cpu_dai = rtd->cpu_dai;
|
|
|
|
/* set cpu DAI configuration */
|
|
return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
|
|
}
|
|
|
|
static struct snd_soc_ops evm_ops = {
|
|
.hw_params = evm_hw_params,
|
|
};
|
|
|
|
static struct snd_soc_ops evm_spdif_ops = {
|
|
.hw_params = evm_spdif_hw_params,
|
|
};
|
|
|
|
/* davinci-evm machine dapm widgets */
|
|
static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
|
|
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
|
SND_SOC_DAPM_LINE("Line Out", NULL),
|
|
SND_SOC_DAPM_MIC("Mic Jack", NULL),
|
|
SND_SOC_DAPM_LINE("Line In", NULL),
|
|
};
|
|
|
|
/* davinci-evm machine audio_mapnections to the codec pins */
|
|
static const struct snd_soc_dapm_route audio_map[] = {
|
|
/* Headphone connected to HPLOUT, HPROUT */
|
|
{"Headphone Jack", NULL, "HPLOUT"},
|
|
{"Headphone Jack", NULL, "HPROUT"},
|
|
|
|
/* Line Out connected to LLOUT, RLOUT */
|
|
{"Line Out", NULL, "LLOUT"},
|
|
{"Line Out", NULL, "RLOUT"},
|
|
|
|
/* Mic connected to (MIC3L | MIC3R) */
|
|
{"MIC3L", NULL, "Mic Bias 2V"},
|
|
{"MIC3R", NULL, "Mic Bias 2V"},
|
|
{"Mic Bias 2V", NULL, "Mic Jack"},
|
|
|
|
/* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */
|
|
{"LINE1L", NULL, "Line In"},
|
|
{"LINE2L", NULL, "Line In"},
|
|
{"LINE1R", NULL, "Line In"},
|
|
{"LINE2R", NULL, "Line In"},
|
|
};
|
|
|
|
/* Logic for a aic3x as connected on a davinci-evm */
|
|
static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
|
|
/* Add davinci-evm specific widgets */
|
|
snd_soc_dapm_new_controls(codec, aic3x_dapm_widgets,
|
|
ARRAY_SIZE(aic3x_dapm_widgets));
|
|
|
|
/* Set up davinci-evm specific audio path audio_map */
|
|
snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
|
|
|
|
/* not connected */
|
|
snd_soc_dapm_disable_pin(codec, "MONO_LOUT");
|
|
snd_soc_dapm_disable_pin(codec, "HPLCOM");
|
|
snd_soc_dapm_disable_pin(codec, "HPRCOM");
|
|
|
|
/* always connected */
|
|
snd_soc_dapm_enable_pin(codec, "Headphone Jack");
|
|
snd_soc_dapm_enable_pin(codec, "Line Out");
|
|
snd_soc_dapm_enable_pin(codec, "Mic Jack");
|
|
snd_soc_dapm_enable_pin(codec, "Line In");
|
|
|
|
snd_soc_dapm_sync(codec);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* davinci-evm digital audio interface glue - connects codec <--> CPU */
|
|
static struct snd_soc_dai_link evm_dai = {
|
|
.name = "TLV320AIC3X",
|
|
.stream_name = "AIC3X",
|
|
.cpu_dai_name = "davinci-mcasp.0",
|
|
.codec_dai_name = "tlv320aic3x-hifi",
|
|
.codec_name = "tlv320aic3x-codec.0-001a",
|
|
.platform_name = "davinci-pcm-audio",
|
|
.init = evm_aic3x_init,
|
|
.ops = &evm_ops,
|
|
};
|
|
|
|
static struct snd_soc_dai_link dm365_evm_dai = {
|
|
#ifdef CONFIG_SND_DM365_AIC3X_CODEC
|
|
.name = "TLV320AIC3X",
|
|
.stream_name = "AIC3X",
|
|
.cpu_dai_name = "davinci-i2s",
|
|
.codec_dai_name = "tlv320aic3x-hifi",
|
|
.init = evm_aic3x_init,
|
|
.codec_name = "tlv320aic3x-codec.0-001a",
|
|
.ops = &evm_ops,
|
|
#elif defined(CONFIG_SND_DM365_VOICE_CODEC)
|
|
.name = "Voice Codec - CQ93VC",
|
|
.stream_name = "CQ93",
|
|
.cpu_dai_name = "davinci-vcif",
|
|
.codec_dai_name = "cq93vc-hifi",
|
|
.codec_name = "cq93vc-codec",
|
|
#endif
|
|
.platform_name = "davinci-pcm-audio",
|
|
};
|
|
|
|
static struct snd_soc_dai_link dm6467_evm_dai[] = {
|
|
{
|
|
.name = "TLV320AIC3X",
|
|
.stream_name = "AIC3X",
|
|
.cpu_dai_name= "davinci-mcasp.0",
|
|
.codec_dai_name = "tlv320aic3x-hifi",
|
|
.platform_name ="davinci-pcm-audio",
|
|
.codec_name = "tlv320aic3x-codec.0-001a",
|
|
.init = evm_aic3x_init,
|
|
.ops = &evm_ops,
|
|
},
|
|
{
|
|
.name = "McASP",
|
|
.stream_name = "spdif",
|
|
.cpu_dai_name= "davinci-mcasp.1",
|
|
.codec_dai_name = "dit-hifi",
|
|
.codec_name = "spdif_dit",
|
|
.platform_name = "davinci-pcm-audio",
|
|
.ops = &evm_spdif_ops,
|
|
},
|
|
};
|
|
static struct snd_soc_dai_link da8xx_evm_dai = {
|
|
.name = "TLV320AIC3X",
|
|
.stream_name = "AIC3X",
|
|
.cpu_dai_name= "davinci-mcasp.0",
|
|
.codec_dai_name = "tlv320aic3x-hifi",
|
|
.codec_name = "tlv320aic3x-codec.0-001a",
|
|
.platform_name = "davinci-pcm-audio",
|
|
.init = evm_aic3x_init,
|
|
.ops = &evm_ops,
|
|
};
|
|
|
|
/* davinci dm6446, dm355 evm audio machine driver */
|
|
static struct snd_soc_card snd_soc_card_evm = {
|
|
.name = "DaVinci EVM",
|
|
.dai_link = &evm_dai,
|
|
.num_links = 1,
|
|
};
|
|
|
|
/* davinci dm365 evm audio machine driver */
|
|
static struct snd_soc_card dm365_snd_soc_card_evm = {
|
|
.name = "DaVinci DM365 EVM",
|
|
.dai_link = &dm365_evm_dai,
|
|
.num_links = 1,
|
|
};
|
|
|
|
/* davinci dm6467 evm audio machine driver */
|
|
static struct snd_soc_card dm6467_snd_soc_card_evm = {
|
|
.name = "DaVinci DM6467 EVM",
|
|
.dai_link = dm6467_evm_dai,
|
|
.num_links = ARRAY_SIZE(dm6467_evm_dai),
|
|
};
|
|
|
|
static struct snd_soc_card da830_snd_soc_card = {
|
|
.name = "DA830/OMAP-L137 EVM",
|
|
.dai_link = &da8xx_evm_dai,
|
|
.num_links = 1,
|
|
};
|
|
|
|
static struct snd_soc_card da850_snd_soc_card = {
|
|
.name = "DA850/OMAP-L138 EVM",
|
|
.dai_link = &da8xx_evm_dai,
|
|
.num_links = 1,
|
|
};
|
|
|
|
static struct platform_device *evm_snd_device;
|
|
|
|
static int __init evm_init(void)
|
|
{
|
|
struct snd_soc_card *evm_snd_dev_data;
|
|
int index;
|
|
int ret;
|
|
|
|
if (machine_is_davinci_evm()) {
|
|
evm_snd_dev_data = &snd_soc_card_evm;
|
|
index = 0;
|
|
} else if (machine_is_davinci_dm355_evm()) {
|
|
evm_snd_dev_data = &snd_soc_card_evm;
|
|
index = 1;
|
|
} else if (machine_is_davinci_dm365_evm()) {
|
|
evm_snd_dev_data = &dm365_snd_soc_card_evm;
|
|
index = 0;
|
|
} else if (machine_is_davinci_dm6467_evm()) {
|
|
evm_snd_dev_data = &dm6467_snd_soc_card_evm;
|
|
index = 0;
|
|
} else if (machine_is_davinci_da830_evm()) {
|
|
evm_snd_dev_data = &da830_snd_soc_card;
|
|
index = 1;
|
|
} else if (machine_is_davinci_da850_evm()) {
|
|
evm_snd_dev_data = &da850_snd_soc_card;
|
|
index = 0;
|
|
} else
|
|
return -EINVAL;
|
|
|
|
evm_snd_device = platform_device_alloc("soc-audio", index);
|
|
if (!evm_snd_device)
|
|
return -ENOMEM;
|
|
|
|
platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
|
|
ret = platform_device_add(evm_snd_device);
|
|
if (ret)
|
|
platform_device_put(evm_snd_device);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit evm_exit(void)
|
|
{
|
|
platform_device_unregister(evm_snd_device);
|
|
}
|
|
|
|
module_init(evm_init);
|
|
module_exit(evm_exit);
|
|
|
|
MODULE_AUTHOR("Vladimir Barinov");
|
|
MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver");
|
|
MODULE_LICENSE("GPL");
|