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ASoC: davinci-vcif: Convert to use edma-pcm 

The edma-pcm can replace the old davinci-pcm as platform driver.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2015-03-03 16:45:19 +02:00 коммит произвёл Mark Brown
Родитель 257ade78b6
Коммит 62731d33c4
1 изменённых файлов: 24 добавлений и 31 удалений
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55
sound/soc/davinci/davinci-vcif.c
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@ -33,8 +33,9 @@
#include <sound/pcm_params.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
#include "davinci-pcm.h"
#include "edma-pcm.h"
#include "davinci-i2s.h"
#define MOD_REG_BIT(val, mask, set) do { \
@ -47,7 +48,8 @@
struct davinci_vcif_dev {
struct davinci_vc *davinci_vc;
struct davinci_pcm_dma_params dma_params[2];
struct snd_dmaengine_dai_dma_data dma_data[2];
int dma_request[2];
};
static void davinci_vcif_start(struct snd_pcm_substream *substream)
@ -93,8 +95,6 @@ static int davinci_vcif_hw_params(struct snd_pcm_substream *substream,
{
struct davinci_vcif_dev *davinci_vcif_dev = snd_soc_dai_get_drvdata(dai);
struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc;
struct davinci_pcm_dma_params *dma_params =
&davinci_vcif_dev->dma_params[substream->stream];
u32 w;
/* Restart the codec before setup */
@ -113,16 +113,12 @@ static int davinci_vcif_hw_params(struct snd_pcm_substream *substream,
/* Determine xfer data type */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_U8:
dma_params->data_type = 0;
MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |
DAVINCI_VC_CTRL_RD_UNSIGNED |
DAVINCI_VC_CTRL_WD_BITS_8 |
DAVINCI_VC_CTRL_WD_UNSIGNED, 1);
break;
case SNDRV_PCM_FORMAT_S8:
dma_params->data_type = 1;
MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |
DAVINCI_VC_CTRL_WD_BITS_8, 1);
@ -130,8 +126,6 @@ static int davinci_vcif_hw_params(struct snd_pcm_substream *substream,
DAVINCI_VC_CTRL_WD_UNSIGNED, 0);
break;
case SNDRV_PCM_FORMAT_S16_LE:
dma_params->data_type = 2;
MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 |
DAVINCI_VC_CTRL_RD_UNSIGNED |
DAVINCI_VC_CTRL_WD_BITS_8 |
@ -142,8 +136,6 @@ static int davinci_vcif_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
dma_params->acnt = dma_params->data_type;
writel(w, davinci_vc->base + DAVINCI_VC_CTRL);
return 0;
@ -172,24 +164,25 @@ static int davinci_vcif_trigger(struct snd_pcm_substream *substream, int cmd,
return ret;
}
static int davinci_vcif_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct davinci_vcif_dev *dev = snd_soc_dai_get_drvdata(dai);
snd_soc_dai_set_dma_data(dai, substream, dev->dma_params);
return 0;
}
#define DAVINCI_VCIF_RATES SNDRV_PCM_RATE_8000_48000
static const struct snd_soc_dai_ops davinci_vcif_dai_ops = {
.startup = davinci_vcif_startup,
.trigger = davinci_vcif_trigger,
.hw_params = davinci_vcif_hw_params,
};
static int davinci_vcif_dai_probe(struct snd_soc_dai *dai)
{
struct davinci_vcif_dev *dev = snd_soc_dai_get_drvdata(dai);
dai->playback_dma_data = &dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK];
dai->capture_dma_data = &dev->dma_data[SNDRV_PCM_STREAM_CAPTURE];
return 0;
}
static struct snd_soc_dai_driver davinci_vcif_dai = {
.probe = davinci_vcif_dai_probe,
.playback = {
.channels_min = 1,
.channels_max = 2,
@ -225,16 +218,16 @@ static int davinci_vcif_probe(struct platform_device *pdev)
/* DMA tx params */
davinci_vcif_dev->davinci_vc = davinci_vc;
davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].channel =
davinci_vc->davinci_vcif.dma_tx_channel;
davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].dma_addr =
davinci_vc->davinci_vcif.dma_tx_addr;
davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].filter_data =
&davinci_vc->davinci_vcif.dma_tx_channel;
davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].addr =
davinci_vc->davinci_vcif.dma_tx_addr;
/* DMA rx params */
davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].channel =
davinci_vc->davinci_vcif.dma_rx_channel;
davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].dma_addr =
davinci_vc->davinci_vcif.dma_rx_addr;
davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].filter_data =
&davinci_vc->davinci_vcif.dma_rx_channel;
davinci_vcif_dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].addr =
davinci_vc->davinci_vcif.dma_rx_addr;
dev_set_drvdata(&pdev->dev, davinci_vcif_dev);
@ -245,7 +238,7 @@ static int davinci_vcif_probe(struct platform_device *pdev)
return ret;
}
ret = davinci_soc_platform_register(&pdev->dev);
ret = edma_pcm_platform_register(&pdev->dev);
if (ret) {
dev_err(&pdev->dev, "register PCM failed: %d\n", ret);
snd_soc_unregister_component(&pdev->dev);