Merge branch 'davinci' into for-2.6.32

Conflicts:
	sound/soc/davinci/davinci-i2s.c

1 files changed, 70 insertions, 51 deletions

diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c
index 88ccef79a5eb..7c4839994e2f 100644
--- a/sound/soc/davinci/davinci-i2s.c
+++ b/sound/soc/davinci/davinci-i2s.c
@@ -470,15 +470,41 @@ static void davinci_i2s_shutdown(struct snd_pcm_substream *substream,
         davinci_mcbsp_stop(dev, playback);
 }
 
-static int davinci_i2s_probe(struct platform_device *pdev,
-                             struct snd_soc_dai *dai)
+#define DAVINCI_I2S_RATES       SNDRV_PCM_RATE_8000_96000
+
+static 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,
+        .hw_params      = davinci_i2s_hw_params,
+        .set_fmt        = davinci_i2s_set_dai_fmt,
+
+};
+
+struct snd_soc_dai davinci_i2s_dai = {
+        .name = "davinci-i2s",
+        .id = 0,
+        .playback = {
+                .channels_min = 2,
+                .channels_max = 2,
+                .rates = DAVINCI_I2S_RATES,
+                .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+        .capture = {
+                .channels_min = 2,
+                .channels_max = 2,
+                .rates = DAVINCI_I2S_RATES,
+                .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+        .ops = &davinci_i2s_dai_ops,
+
+};
+EXPORT_SYMBOL_GPL(davinci_i2s_dai);
+
+static int davinci_i2s_probe(struct platform_device *pdev)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_card *card = socdev->card;
-        struct snd_soc_dai *cpu_dai = card->dai_link->cpu_dai;
+        struct snd_platform_data *pdata = pdev->dev.platform_data;
         struct davinci_mcbsp_dev *dev;
-        struct resource *mem, *ioarea;
-        struct evm_snd_platform_data *pdata;
+        struct resource *mem, *ioarea, *res;
         int ret;
 
         mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -500,9 +526,7 @@ static int davinci_i2s_probe(struct platform_device *pdev,
                 goto err_release_region;
         }
 
-        cpu_dai->private_data = dev;
-
-        dev->clk = clk_get(&pdev->dev, NULL);
+        dev->clk = clk_get(&pdev->dev, pdata->clk_name);
         if (IS_ERR(dev->clk)) {
                 ret = -ENODEV;
                 goto err_free_mem;
@@ -510,18 +534,37 @@ static int davinci_i2s_probe(struct platform_device *pdev,
         clk_enable(dev->clk);
 
         dev->base = (void __iomem *)IO_ADDRESS(mem->start);
-        pdata = pdev->dev.platform_data;
 
         dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK] = &davinci_i2s_pcm_out;
-        dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK]->channel = pdata->tx_dma_ch;
         dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK]->dma_addr =
             (dma_addr_t)(io_v2p(dev->base) + DAVINCI_MCBSP_DXR_REG);
 
         dev->dma_params[SNDRV_PCM_STREAM_CAPTURE] = &davinci_i2s_pcm_in;
-        dev->dma_params[SNDRV_PCM_STREAM_CAPTURE]->channel = pdata->rx_dma_ch;
         dev->dma_params[SNDRV_PCM_STREAM_CAPTURE]->dma_addr =
             (dma_addr_t)(io_v2p(dev->base) + DAVINCI_MCBSP_DRR_REG);
 
+        /* first TX, then RX */
+        res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+        if (!res) {
+                dev_err(&pdev->dev, "no DMA resource\n");
+                ret = -ENXIO;
+                goto err_free_mem;
+        }
+        dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK]->channel = res->start;
+
+        res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
+        if (!res) {
+                dev_err(&pdev->dev, "no DMA resource\n");
+                ret = -ENXIO;
+                goto err_free_mem;
+        }
+        dev->dma_params[SNDRV_PCM_STREAM_CAPTURE]->channel = res->start;
+
+        davinci_i2s_dai.private_data = dev;
+        ret = snd_soc_register_dai(&davinci_i2s_dai);
+        if (ret != 0)
+                goto err_free_mem;
+
         return 0;
 
 err_free_mem:
@@ -532,64 +575,40 @@ err_release_region:
         return ret;
 }
 
-static void davinci_i2s_remove(struct platform_device *pdev,
-                               struct snd_soc_dai *dai)
+static int davinci_i2s_remove(struct platform_device *pdev)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_card *card = socdev->card;
-        struct snd_soc_dai *cpu_dai = card->dai_link->cpu_dai;
-        struct davinci_mcbsp_dev *dev = cpu_dai->private_data;
+        struct davinci_mcbsp_dev *dev = davinci_i2s_dai.private_data;
         struct resource *mem;
 
+        snd_soc_unregister_dai(&davinci_i2s_dai);
         clk_disable(dev->clk);
         clk_put(dev->clk);
         dev->clk = NULL;
-
         kfree(dev);
-
         mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         release_mem_region(mem->start, (mem->end - mem->start) + 1);
-}
-
-#define DAVINCI_I2S_RATES       SNDRV_PCM_RATE_8000_96000
 
-static 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,
-        .hw_params      = davinci_i2s_hw_params,
-        .set_fmt        = davinci_i2s_set_dai_fmt,
-};
+        return 0;
+}
 
-struct snd_soc_dai davinci_i2s_dai = {
-        .name = "davinci-i2s",
-        .id = 0,
-        .probe = davinci_i2s_probe,
-        .remove = davinci_i2s_remove,
-        .playback = {
-                .channels_min = 2,
-                .channels_max = 2,
-                .rates = DAVINCI_I2S_RATES,
-                .formats = SNDRV_PCM_FMTBIT_S16_LE,},
-        .capture = {
-                .channels_min = 2,
-                .channels_max = 2,
-                .rates = DAVINCI_I2S_RATES,
-                .formats = SNDRV_PCM_FMTBIT_S16_LE,},
-        .ops = &davinci_i2s_dai_ops,
+static struct platform_driver davinci_mcbsp_driver = {
+        .probe          = davinci_i2s_probe,
+        .remove         = davinci_i2s_remove,
+        .driver         = {
+                .name   = "davinci-asp",
+                .owner  = THIS_MODULE,
+        },
 };
-EXPORT_SYMBOL_GPL(davinci_i2s_dai);
 
 static int __init davinci_i2s_init(void)
 {
-        return snd_soc_register_dai(&davinci_i2s_dai);
+        return platform_driver_register(&davinci_mcbsp_driver);
 }
 module_init(davinci_i2s_init);
 
 static void __exit davinci_i2s_exit(void)
 {
-        snd_soc_unregister_dai(&davinci_i2s_dai);
+        platform_driver_unregister(&davinci_mcbsp_driver);
 }
 module_exit(davinci_i2s_exit);