1 files changed, 41 insertions, 47 deletions

diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c
index 0855c1cfa7f..6925d714121 100644
--- a/sound/soc/omap/omap-dmic.c
+++ b/sound/soc/omap/omap-dmic.c
@@ -32,15 +32,16 @@
 #include <linux/io.h>
 #include <linux/slab.h>
 #include <linux/pm_runtime.h>
-#include <plat/dma.h>
+#include <linux/of_device.h>
 
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/initval.h>
 #include <sound/soc.h>
+#include <sound/dmaengine_pcm.h>
+#include <sound/omap-pcm.h>
 
-#include "omap-pcm.h"
 #include "omap-dmic.h"
 
 struct omap_dmic {
@@ -55,25 +56,18 @@ struct omap_dmic {
 	u32 ch_enabled;
 	bool active;
 	struct mutex mutex;
-};
 
-/*
- * Stream DMA parameters
- */
-static struct omap_pcm_dma_data omap_dmic_dai_dma_params = {
-	.name		= "DMIC capture",
-	.data_type	= OMAP_DMA_DATA_TYPE_S32,
-	.sync_mode	= OMAP_DMA_SYNC_PACKET,
+	struct snd_dmaengine_dai_dma_data dma_data;
 };
 
 static inline void omap_dmic_write(struct omap_dmic *dmic, u16 reg, u32 val)
 {
-	__raw_writel(val, dmic->io_base + reg);
+	writel_relaxed(val, dmic->io_base + reg);
 }
 
 static inline int omap_dmic_read(struct omap_dmic *dmic, u16 reg)
 {
-	return __raw_readl(dmic->io_base + reg);
+	return readl_relaxed(dmic->io_base + reg);
 }
 
 static inline void omap_dmic_start(struct omap_dmic *dmic)
@@ -113,12 +107,10 @@ static int omap_dmic_dai_startup(struct snd_pcm_substream *substream,
 
 	mutex_lock(&dmic->mutex);
 
-	if (!dai->active) {
-		snd_pcm_hw_constraint_msbits(substream->runtime, 0, 32, 24);
+	if (!dai->active)
 		dmic->active = 1;
-	} else {
+	else
 		ret = -EBUSY;
-	}
 
 	mutex_unlock(&dmic->mutex);
 
@@ -206,6 +198,7 @@ static int omap_dmic_dai_hw_params(struct snd_pcm_substream *substream,
 				    struct snd_soc_dai *dai)
 {
 	struct omap_dmic *dmic = snd_soc_dai_get_drvdata(dai);
+	struct snd_dmaengine_dai_dma_data *dma_data;
 	int channels;
 
 	dmic->clk_div = omap_dmic_select_divider(dmic, params_rate(params));
@@ -231,8 +224,8 @@ static int omap_dmic_dai_hw_params(struct snd_pcm_substream *substream,
 	}
 
 	/* packet size is threshold * channels */
-	omap_dmic_dai_dma_params.packet_size = dmic->threshold * channels;
-	snd_soc_dai_set_dma_data(dai, substream, &omap_dmic_dai_dma_params);
+	dma_data = snd_soc_dai_get_dma_data(dai, substream);
+	dma_data->maxburst = dmic->threshold * channels;
 
 	return 0;
 }
@@ -424,6 +417,9 @@ static int omap_dmic_probe(struct snd_soc_dai *dai)
 
 	/* Configure DMIC threshold value */
 	dmic->threshold = OMAP_DMIC_THRES_MAX - 3;
+
+	snd_soc_dai_init_dma_data(dai, NULL, &dmic->dma_data);
+
 	return 0;
 }
 
@@ -445,11 +441,16 @@ static struct snd_soc_dai_driver omap_dmic_dai = {
 		.channels_max = 6,
 		.rates = SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000,
 		.formats = SNDRV_PCM_FMTBIT_S32_LE,
+		.sig_bits = 24,
 	},
 	.ops = &omap_dmic_dai_ops,
 };
 
-static __devinit int asoc_dmic_probe(struct platform_device *pdev)
+static const struct snd_soc_component_driver omap_dmic_component = {
+	.name		= "omap-dmic",
+};
+
+static int asoc_dmic_probe(struct platform_device *pdev)
 {
 	struct omap_dmic *dmic;
 	struct resource *res;
@@ -465,9 +466,9 @@ static __devinit int asoc_dmic_probe(struct platform_device *pdev)
 
 	mutex_init(&dmic->mutex);
 
-	dmic->fclk = clk_get(dmic->dev, "dmic_fck");
+	dmic->fclk = clk_get(dmic->dev, "fck");
 	if (IS_ERR(dmic->fclk)) {
-		dev_err(dmic->dev, "cant get dmic_fck\n");
+		dev_err(dmic->dev, "cant get fck\n");
 		return -ENODEV;
 	}
 
@@ -477,38 +478,24 @@ static __devinit int asoc_dmic_probe(struct platform_device *pdev)
 		ret = -ENODEV;
 		goto err_put_clk;
 	}
-	omap_dmic_dai_dma_params.port_addr = res->start + OMAP_DMIC_DATA_REG;
+	dmic->dma_data.addr = res->start + OMAP_DMIC_DATA_REG;
 
-	res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
-	if (!res) {
-		dev_err(dmic->dev, "invalid dma resource\n");
-		ret = -ENODEV;
-		goto err_put_clk;
-	}
-	omap_dmic_dai_dma_params.dma_req = res->start;
+	dmic->dma_data.filter_data = "up_link";
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
-	if (!res) {
-		dev_err(dmic->dev, "invalid memory resource\n");
-		ret = -ENODEV;
+	dmic->io_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(dmic->io_base)) {
+		ret = PTR_ERR(dmic->io_base);
 		goto err_put_clk;
 	}
 
-	if (!devm_request_mem_region(&pdev->dev, res->start,
-				     resource_size(res), pdev->name)) {
-		dev_err(dmic->dev, "memory region already claimed\n");
-		ret = -ENODEV;
-		goto err_put_clk;
-	}
 
-	dmic->io_base = devm_ioremap(&pdev->dev, res->start,
-				     resource_size(res));
-	if (!dmic->io_base) {
-		ret = -ENOMEM;
+	ret = snd_soc_register_component(&pdev->dev, &omap_dmic_component,
+					 &omap_dmic_dai, 1);
+	if (ret)
 		goto err_put_clk;
-	}
 
-	ret = snd_soc_register_dai(&pdev->dev, &omap_dmic_dai);
+	ret = omap_pcm_platform_register(&pdev->dev);
 	if (ret)
 		goto err_put_clk;
 
@@ -519,23 +506,30 @@ err_put_clk:
 	return ret;
 }
 
-static int __devexit asoc_dmic_remove(struct platform_device *pdev)
+static int asoc_dmic_remove(struct platform_device *pdev)
 {
 	struct omap_dmic *dmic = platform_get_drvdata(pdev);
 
-	snd_soc_unregister_dai(&pdev->dev);
+	snd_soc_unregister_component(&pdev->dev);
 	clk_put(dmic->fclk);
 
 	return 0;
 }
 
+static const struct of_device_id omap_dmic_of_match[] = {
+	{ .compatible = "ti,omap4-dmic", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, omap_dmic_of_match);
+
 static struct platform_driver asoc_dmic_driver = {
 	.driver = {
 		.name = "omap-dmic",
 		.owner = THIS_MODULE,
+		.of_match_table = omap_dmic_of_match,
 	},
 	.probe = asoc_dmic_probe,
-	.remove = __devexit_p(asoc_dmic_remove),
+	.remove = asoc_dmic_remove,
 };
 
 module_platform_driver(asoc_dmic_driver);