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>

diff --git a/sound/soc/davinci/davinci-vcif.c b/sound/soc/davinci/davinci-vcif.c
index 5bee04279ebede35dde51844be4c383862e914eb..fabd05f24aebe9b288735177fce0f5e3a250751c 100644 (file)
--- a/sound/soc/davinci/davinci-vcif.c
+++ b/sound/soc/davinci/davinci-vcif.c
@@ -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);