ASoC: davinci-i2s: 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>

1 files changed, 26 insertions, 41 deletions

diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c
index 15fb28fc8e1b..56cb4d95637d 100644
--- a/sound/soc/davinci/davinci-i2s.c
+++ b/sound/soc/davinci/davinci-i2s.c
@@ -23,8 +23,9 @@
 #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"
 
 
@@ -122,7 +123,8 @@ static const unsigned char double_fmt[SNDRV_PCM_FORMAT_S32_LE + 1] = {
 
 struct davinci_mcbsp_dev {
         struct device *dev;
-        struct davinci_pcm_dma_params   dma_params[2];
+        struct snd_dmaengine_dai_dma_data dma_data[2];
+        int dma_request[2];
         void __iomem                    *base;
 #define MOD_DSP_A       0
 #define MOD_DSP_B       1
@@ -419,8 +421,6 @@ static int davinci_i2s_hw_params(struct snd_pcm_substream *substream,
                                  struct snd_soc_dai *dai)
 {
         struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai);
-        struct davinci_pcm_dma_params *dma_params =
-                                        &dev->dma_params[substream->stream];
         struct snd_interval *i = NULL;
         int mcbsp_word_length, master;
         unsigned int rcr, xcr, srgr, clk_div, freq, framesize;
@@ -532,8 +532,6 @@ static int davinci_i2s_hw_params(struct snd_pcm_substream *substream,
                         return -EINVAL;
                 }
         }
-        dma_params->acnt = dma_params->data_type = data_type[fmt];
-        dma_params->fifo_level = 0;
         mcbsp_word_length = asp_word_length[fmt];
 
         switch (master) {
@@ -600,15 +598,6 @@ static int davinci_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
         return ret;
 }
 
-static int davinci_i2s_startup(struct snd_pcm_substream *substream,
-                               struct snd_soc_dai *dai)
-{
-        struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai);
-
-        snd_soc_dai_set_dma_data(dai, substream, dev->dma_params);
-        return 0;
-}
-
 static void davinci_i2s_shutdown(struct snd_pcm_substream *substream,
                 struct snd_soc_dai *dai)
 {
@@ -620,7 +609,6 @@ static void davinci_i2s_shutdown(struct snd_pcm_substream *substream,
 #define DAVINCI_I2S_RATES       SNDRV_PCM_RATE_8000_96000
 
 static const struct snd_soc_dai_ops davinci_i2s_dai_ops = {
-        .startup        = davinci_i2s_startup,
         .shutdown       = davinci_i2s_shutdown,
         .prepare        = davinci_i2s_prepare,
         .trigger        = davinci_i2s_trigger,
@@ -630,7 +618,18 @@ static const struct snd_soc_dai_ops davinci_i2s_dai_ops = {
 
 };
 
+static int davinci_i2s_dai_probe(struct snd_soc_dai *dai)
+{
+        struct davinci_mcbsp_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_i2s_dai = {
+        .probe = davinci_i2s_dai_probe,
         .playback = {
                 .channels_min = 2,
                 .channels_max = 2,
@@ -651,11 +650,9 @@ static const struct snd_soc_component_driver davinci_i2s_component = {
 
 static int davinci_i2s_probe(struct platform_device *pdev)
 {
-        struct snd_platform_data *pdata = pdev->dev.platform_data;
         struct davinci_mcbsp_dev *dev;
         struct resource *mem, *ioarea, *res;
-        enum dma_event_q asp_chan_q = EVENTQ_0;
-        enum dma_event_q ram_chan_q = EVENTQ_1;
+        int *dma;
         int ret;
 
         mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -676,22 +673,6 @@ static int davinci_i2s_probe(struct platform_device *pdev)
                            GFP_KERNEL);
         if (!dev)
                 return -ENOMEM;
-        if (pdata) {
-                dev->enable_channel_combine = pdata->enable_channel_combine;
-                dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].sram_size =
-                        pdata->sram_size_playback;
-                dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].sram_size =
-                        pdata->sram_size_capture;
-                dev->clk_input_pin = pdata->clk_input_pin;
-                dev->i2s_accurate_sck = pdata->i2s_accurate_sck;
-                asp_chan_q = pdata->asp_chan_q;
-                ram_chan_q = pdata->ram_chan_q;
-        }
-
-        dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].asp_chan_q   = asp_chan_q;
-        dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].ram_chan_q   = ram_chan_q;
-        dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].asp_chan_q    = asp_chan_q;
-        dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].ram_chan_q    = ram_chan_q;
 
         dev->clk = clk_get(&pdev->dev, NULL);
         if (IS_ERR(dev->clk))
@@ -705,10 +686,10 @@ static int davinci_i2s_probe(struct platform_device *pdev)
                 goto err_release_clk;
         }
 
-        dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].dma_addr =
+        dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].addr =
             (dma_addr_t)(mem->start + DAVINCI_MCBSP_DXR_REG);
 
-        dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].dma_addr =
+        dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].addr =
             (dma_addr_t)(mem->start + DAVINCI_MCBSP_DRR_REG);
 
         /* first TX, then RX */
@@ -718,7 +699,9 @@ static int davinci_i2s_probe(struct platform_device *pdev)
                 ret = -ENXIO;
                 goto err_release_clk;
         }
-        dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].channel = res->start;
+        dma = &dev->dma_request[SNDRV_PCM_STREAM_PLAYBACK];
+        *dma = res->start;
+        dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].filter_data = dma;
 
         res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
         if (!res) {
@@ -726,9 +709,11 @@ static int davinci_i2s_probe(struct platform_device *pdev)
                 ret = -ENXIO;
                 goto err_release_clk;
         }
-        dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].channel = res->start;
-        dev->dev = &pdev->dev;
+        dma = &dev->dma_request[SNDRV_PCM_STREAM_CAPTURE];
+        *dma = res->start;
+        dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].filter_data = dma;
 
+        dev->dev = &pdev->dev;
         dev_set_drvdata(&pdev->dev, dev);
 
         ret = snd_soc_register_component(&pdev->dev, &davinci_i2s_component,
@@ -736,7 +721,7 @@ static int davinci_i2s_probe(struct platform_device *pdev)
         if (ret != 0)
                 goto err_release_clk;
 
-        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);
                 goto err_unregister_component;