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ASoC: Add machine driver support for DM646x 

This patch does the following:
(1) Add support for the DM646x machine
(2) Modifications required to introduce the platform driver model to get
platform data for all the machines including dm355 and dm644x.

Signed-off-by: Steve Chen <schen@mvista.com>
Signed-off-by: Pavel Kiryukhin <pkiryukhin@ru.mvista.com>
Signed-off-by: Naresh Medisetty <naresh@ti.com>
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Chaithrika U S 2009-06-05 06:28:49 -04:00 committed by Mark Brown
parent b67f448729
commit 04f80f5c48
1 changed files with 48 additions and 54 deletions
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102
sound/soc/davinci/davinci-evm.c
View File

@ -27,9 +27,10 @@
#include <mach/mux.h>
#include "../codecs/tlv320aic3x.h"
#include "../codecs/spdif_transciever.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)
@ -43,7 +44,7 @@ static int evm_hw_params(struct snd_pcm_substream *substream,
unsigned sysclk;
/* ASP1 on DM355 EVM is clocked by an external oscillator */
if (machine_is_davinci_dm355_evm())
if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm())
sysclk = 27000000;
/* ASP0 in DM6446 EVM is clocked by U55, as configured by
@ -144,6 +145,24 @@ static struct snd_soc_dai_link evm_dai = {
.ops = &evm_ops,
};
static struct snd_soc_dai_link dm6467_evm_dai[] = {
{
.name = "TLV320AIC3X",
.stream_name = "AIC3X",
.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_I2S_DAI],
.codec_dai = &aic3x_dai,
.init = evm_aic3x_init,
.ops = &evm_ops,
},
{
.name = "McASP",
.stream_name = "spdif",
.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_DIT_DAI],
.codec_dai = &dit_stub_dai,
.ops = &evm_ops,
},
};
/* davinci-evm audio machine driver */
static struct snd_soc_card snd_soc_card_evm = {
.name = "DaVinci EVM",
@ -152,12 +171,26 @@ static struct snd_soc_card snd_soc_card_evm = {
.num_links = 1,
};
/* davinci dm6467 evm audio machine driver */
static struct snd_soc_card dm6467_snd_soc_card_evm = {
.name = "DaVinci DM6467 EVM",
.platform = &davinci_soc_platform,
.dai_link = dm6467_evm_dai,
.num_links = ARRAY_SIZE(dm6467_evm_dai),
};
/* evm audio private data */
static struct aic3x_setup_data evm_aic3x_setup = {
.i2c_bus = 1,
.i2c_address = 0x1b,
};
/* dm6467 evm audio private data */
static struct aic3x_setup_data dm6467_evm_aic3x_setup = {
.i2c_bus = 1,
.i2c_address = 0x18,
};
/* evm audio subsystem */
static struct snd_soc_device evm_snd_devdata = {
.card = &snd_soc_card_evm,
@ -165,60 +198,30 @@ static struct snd_soc_device evm_snd_devdata = {
.codec_data = &evm_aic3x_setup,
};
/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
static struct resource evm_snd_resources[] = {
{
.start = DAVINCI_ASP0_BASE,
.end = DAVINCI_ASP0_BASE + SZ_8K - 1,
.flags = IORESOURCE_MEM,
},
};
static struct evm_snd_platform_data evm_snd_data = {
.tx_dma_ch = DAVINCI_DMA_ASP0_TX,
.rx_dma_ch = DAVINCI_DMA_ASP0_RX,
};
/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
static struct resource dm335evm_snd_resources[] = {
{
.start = DAVINCI_ASP1_BASE,
.end = DAVINCI_ASP1_BASE + SZ_8K - 1,
.flags = IORESOURCE_MEM,
},
};
static struct evm_snd_platform_data dm335evm_snd_data = {
.tx_dma_ch = DAVINCI_DMA_ASP1_TX,
.rx_dma_ch = DAVINCI_DMA_ASP1_RX,
/* evm audio subsystem */
static struct snd_soc_device dm6467_evm_snd_devdata = {
.card = &dm6467_snd_soc_card_evm,
.codec_dev = &soc_codec_dev_aic3x,
.codec_data = &dm6467_evm_aic3x_setup,
};
static struct platform_device *evm_snd_device;
static int __init evm_init(void)
{
struct resource *resources;
unsigned num_resources;
struct evm_snd_platform_data *data;
struct snd_soc_device *evm_snd_dev_data;
int index;
int ret;
if (machine_is_davinci_evm()) {
davinci_cfg_reg(DM644X_MCBSP);
resources = evm_snd_resources;
num_resources = ARRAY_SIZE(evm_snd_resources);
data = &evm_snd_data;
evm_snd_dev_data = &evm_snd_devdata;
index = 0;
} else if (machine_is_davinci_dm355_evm()) {
/* we don't use ASP1 IRQs, or we'd need to mux them ... */
davinci_cfg_reg(DM355_EVT8_ASP1_TX);
davinci_cfg_reg(DM355_EVT9_ASP1_RX);
resources = dm335evm_snd_resources;
num_resources = ARRAY_SIZE(dm335evm_snd_resources);
data = &dm335evm_snd_data;
evm_snd_dev_data = &evm_snd_devdata;
index = 1;
} else if (machine_is_davinci_dm6467_evm()) {
evm_snd_dev_data = &dm6467_evm_snd_devdata;
index = 0;
} else
return -EINVAL;
@ -226,17 +229,8 @@ static int __init evm_init(void)
if (!evm_snd_device)
return -ENOMEM;
platform_set_drvdata(evm_snd_device, &evm_snd_devdata);
evm_snd_devdata.dev = &evm_snd_device->dev;
platform_device_add_data(evm_snd_device, data, sizeof(*data));
ret = platform_device_add_resources(evm_snd_device, resources,
num_resources);
if (ret) {
platform_device_put(evm_snd_device);
return ret;
}
platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
evm_snd_dev_data->dev = &evm_snd_device->dev;
ret = platform_device_add(evm_snd_device);
if (ret)
platform_device_put(evm_snd_device);