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Diffstat (limited to 'sound/soc/ux500/ux500_msp_dai.c')
-rw-r--r--sound/soc/ux500/ux500_msp_dai.c146
1 files changed, 60 insertions, 86 deletions
diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c
index c6fb5cce980e..5f4807b2c007 100644
--- a/sound/soc/ux500/ux500_msp_dai.c
+++ b/sound/soc/ux500/ux500_msp_dai.c
@@ -17,12 +17,14 @@
#include <linux/bitops.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/of.h>
#include <linux/regulator/consumer.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/platform_data/asoc-ux500-msp.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
+#include <sound/dmaengine_pcm.h>
#include "ux500_msp_i2s.h"
#include "ux500_msp_dai.h"
@@ -654,16 +656,52 @@ static int ux500_msp_dai_trigger(struct snd_pcm_substream *substream,
return ret;
}
+static int ux500_msp_dai_of_probe(struct snd_soc_dai *dai)
+{
+ struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev);
+ struct snd_dmaengine_dai_dma_data *playback_dma_data;
+ struct snd_dmaengine_dai_dma_data *capture_dma_data;
+
+ playback_dma_data = devm_kzalloc(dai->dev,
+ sizeof(*playback_dma_data),
+ GFP_KERNEL);
+ if (!playback_dma_data)
+ return -ENOMEM;
+
+ capture_dma_data = devm_kzalloc(dai->dev,
+ sizeof(*capture_dma_data),
+ GFP_KERNEL);
+ if (!capture_dma_data)
+ return -ENOMEM;
+
+ playback_dma_data->addr = drvdata->msp->playback_dma_data.tx_rx_addr;
+ capture_dma_data->addr = drvdata->msp->capture_dma_data.tx_rx_addr;
+
+ playback_dma_data->maxburst = 4;
+ capture_dma_data->maxburst = 4;
+
+ snd_soc_dai_init_dma_data(dai, playback_dma_data, capture_dma_data);
+
+ return 0;
+}
+
static int ux500_msp_dai_probe(struct snd_soc_dai *dai)
{
struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev);
+ struct msp_i2s_platform_data *pdata = dai->dev->platform_data;
+ int ret;
- dai->playback_dma_data = &drvdata->msp->playback_dma_data;
- dai->capture_dma_data = &drvdata->msp->capture_dma_data;
+ if (!pdata) {
+ ret = ux500_msp_dai_of_probe(dai);
+ return ret;
+ }
drvdata->msp->playback_dma_data.data_size = drvdata->slot_width;
drvdata->msp->capture_dma_data.data_size = drvdata->slot_width;
+ snd_soc_dai_init_dma_data(dai,
+ &drvdata->msp->playback_dma_data,
+ &drvdata->msp->capture_dma_data);
return 0;
}
@@ -680,87 +718,19 @@ static struct snd_soc_dai_ops ux500_msp_dai_ops[] = {
}
};
-static struct snd_soc_dai_driver ux500_msp_dai_drv[UX500_NBR_OF_DAI] = {
- {
- .name = "ux500-msp-i2s.0",
- .probe = ux500_msp_dai_probe,
- .id = 0,
- .suspend = NULL,
- .resume = NULL,
- .playback = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .capture = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .ops = ux500_msp_dai_ops,
- },
- {
- .name = "ux500-msp-i2s.1",
- .probe = ux500_msp_dai_probe,
- .id = 1,
- .suspend = NULL,
- .resume = NULL,
- .playback = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .capture = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .ops = ux500_msp_dai_ops,
- },
- {
- .name = "ux500-msp-i2s.2",
- .id = 2,
- .probe = ux500_msp_dai_probe,
- .suspend = NULL,
- .resume = NULL,
- .playback = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .capture = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .ops = ux500_msp_dai_ops,
- },
- {
- .name = "ux500-msp-i2s.3",
- .probe = ux500_msp_dai_probe,
- .id = 3,
- .suspend = NULL,
- .resume = NULL,
- .playback = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .capture = {
- .channels_min = UX500_MSP_MIN_CHANNELS,
- .channels_max = UX500_MSP_MAX_CHANNELS,
- .rates = UX500_I2S_RATES,
- .formats = UX500_I2S_FORMATS,
- },
- .ops = ux500_msp_dai_ops,
- },
+static struct snd_soc_dai_driver ux500_msp_dai_drv = {
+ .probe = ux500_msp_dai_probe,
+ .suspend = NULL,
+ .resume = NULL,
+ .playback.channels_min = UX500_MSP_MIN_CHANNELS,
+ .playback.channels_max = UX500_MSP_MAX_CHANNELS,
+ .playback.rates = UX500_I2S_RATES,
+ .playback.formats = UX500_I2S_FORMATS,
+ .capture.channels_min = UX500_MSP_MIN_CHANNELS,
+ .capture.channels_max = UX500_MSP_MAX_CHANNELS,
+ .capture.rates = UX500_I2S_RATES,
+ .capture.formats = UX500_I2S_FORMATS,
+ .ops = ux500_msp_dai_ops,
};
static const struct snd_soc_component_driver ux500_msp_component = {
@@ -771,10 +741,14 @@ static const struct snd_soc_component_driver ux500_msp_component = {
static int ux500_msp_drv_probe(struct platform_device *pdev)
{
struct ux500_msp_i2s_drvdata *drvdata;
+ struct msp_i2s_platform_data *pdata = pdev->dev.platform_data;
+ struct device_node *np = pdev->dev.of_node;
int ret = 0;
- dev_dbg(&pdev->dev, "%s: Enter (pdev->name = %s).\n", __func__,
- pdev->name);
+ if (!pdata && !np) {
+ dev_err(&pdev->dev, "No platform data or Device Tree found\n");
+ return -ENODEV;
+ }
drvdata = devm_kzalloc(&pdev->dev,
sizeof(struct ux500_msp_i2s_drvdata),
@@ -826,7 +800,7 @@ static int ux500_msp_drv_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, drvdata);
ret = snd_soc_register_component(&pdev->dev, &ux500_msp_component,
- &ux500_msp_dai_drv[drvdata->msp->id], 1);
+ &ux500_msp_dai_drv, 1);
if (ret < 0) {
dev_err(&pdev->dev, "Error: %s: Failed to register MSP%d!\n",
__func__, drvdata->msp->id);
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