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path: root/sound/soc/spear/spdif_in.c
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Diffstat (limited to 'sound/soc/spear/spdif_in.c')
-rw-r--r--sound/soc/spear/spdif_in.c51
1 files changed, 20 insertions, 31 deletions
diff --git a/sound/soc/spear/spdif_in.c b/sound/soc/spear/spdif_in.c
index c7c4b20395b..4ab442a63d7 100644
--- a/sound/soc/spear/spdif_in.c
+++ b/sound/soc/spear/spdif_in.c
@@ -18,12 +18,14 @@
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <sound/dmaengine_pcm.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/spear_dma.h>
#include <sound/spear_spdif.h>
#include "spdif_in_regs.h"
+#include "spear_pcm.h"
struct spdif_in_params {
u32 format;
@@ -37,6 +39,8 @@ struct spdif_in_dev {
struct device *dev;
void (*reset_perip)(void);
int irq;
+ struct snd_dmaengine_dai_dma_data dma_params_rx;
+ struct snd_dmaengine_pcm_config config;
};
static void spdif_in_configure(struct spdif_in_dev *host)
@@ -49,15 +53,13 @@ static void spdif_in_configure(struct spdif_in_dev *host)
writel(0xF, host->io_base + SPDIF_IN_IRQ_MASK);
}
-static int spdif_in_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *cpu_dai)
+static int spdif_in_dai_probe(struct snd_soc_dai *dai)
{
- struct spdif_in_dev *host = snd_soc_dai_get_drvdata(cpu_dai);
+ struct spdif_in_dev *host = snd_soc_dai_get_drvdata(dai);
- if (substream->stream != SNDRV_PCM_STREAM_CAPTURE)
- return -EINVAL;
+ host->dma_params_rx.filter_data = &host->dma_params;
+ dai->capture_dma_data = &host->dma_params_rx;
- snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)&host->dma_params);
return 0;
}
@@ -70,7 +72,6 @@ static void spdif_in_shutdown(struct snd_pcm_substream *substream,
return;
writel(0x0, host->io_base + SPDIF_IN_IRQ_MASK);
- snd_soc_dai_set_dma_data(dai, substream, NULL);
}
static void spdif_in_format(struct spdif_in_dev *host, u32 format)
@@ -151,13 +152,13 @@ static int spdif_in_trigger(struct snd_pcm_substream *substream, int cmd,
}
static struct snd_soc_dai_ops spdif_in_dai_ops = {
- .startup = spdif_in_startup,
.shutdown = spdif_in_shutdown,
.trigger = spdif_in_trigger,
.hw_params = spdif_in_hw_params,
};
-struct snd_soc_dai_driver spdif_in_dai = {
+static struct snd_soc_dai_driver spdif_in_dai = {
+ .probe = spdif_in_dai_probe,
.capture = {
.channels_min = 2,
.channels_max = 2,
@@ -170,6 +171,10 @@ struct snd_soc_dai_driver spdif_in_dai = {
.ops = &spdif_in_dai_ops,
};
+static const struct snd_soc_component_driver spdif_in_component = {
+ .name = "spdif-in",
+};
+
static irqreturn_t spdif_in_irq(int irq, void *arg)
{
struct spdif_in_dev *host = (struct spdif_in_dev *)arg;
@@ -231,7 +236,7 @@ static int spdif_in_probe(struct platform_device *pdev)
if (host->irq < 0)
return -EINVAL;
- host->clk = clk_get(&pdev->dev, NULL);
+ host->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(host->clk))
return PTR_ERR(host->clk);
@@ -244,7 +249,6 @@ static int spdif_in_probe(struct platform_device *pdev)
host->dma_params.addr = res_fifo->start;
host->dma_params.max_burst = 16;
host->dma_params.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- host->dma_params.filter = pdata->filter;
host->reset_perip = pdata->reset_perip;
host->dev = &pdev->dev;
@@ -253,36 +257,21 @@ static int spdif_in_probe(struct platform_device *pdev)
ret = devm_request_irq(&pdev->dev, host->irq, spdif_in_irq, 0,
"spdif-in", host);
if (ret) {
- clk_put(host->clk);
dev_warn(&pdev->dev, "request_irq failed\n");
return ret;
}
- ret = snd_soc_register_dai(&pdev->dev, &spdif_in_dai);
- if (ret != 0) {
- clk_put(host->clk);
+ ret = devm_snd_soc_register_component(&pdev->dev, &spdif_in_component,
+ &spdif_in_dai, 1);
+ if (ret)
return ret;
- }
- return 0;
+ return devm_spear_pcm_platform_register(&pdev->dev, &host->config,
+ pdata->filter);
}
-static int spdif_in_remove(struct platform_device *pdev)
-{
- struct spdif_in_dev *host = dev_get_drvdata(&pdev->dev);
-
- snd_soc_unregister_dai(&pdev->dev);
- dev_set_drvdata(&pdev->dev, NULL);
-
- clk_put(host->clk);
-
- return 0;
-}
-
-
static struct platform_driver spdif_in_driver = {
.probe = spdif_in_probe,
- .remove = spdif_in_remove,
.driver = {
.name = "spdif-in",
.owner = THIS_MODULE,