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Diffstat (limited to 'sound/soc/omap/omap-mcpdm.c')
-rw-r--r--sound/soc/omap/omap-mcpdm.c92
1 files changed, 40 insertions, 52 deletions
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index ea053c3..c02b001 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c
@@ -40,7 +40,6 @@
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <plat/dma.h>
#include <plat/omap_hwmod.h>
#include "omap-mcpdm.h"
#include "omap-pcm.h"
@@ -73,17 +72,9 @@ struct omap_mcpdm {
static struct omap_pcm_dma_data omap_mcpdm_dai_dma_params[] = {
{
.name = "Audio playback",
- .dma_req = OMAP44XX_DMA_MCPDM_DL,
- .data_type = OMAP_DMA_DATA_TYPE_S32,
- .sync_mode = OMAP_DMA_SYNC_PACKET,
- .port_addr = OMAP44XX_MCPDM_L3_BASE + MCPDM_REG_DN_DATA,
},
{
.name = "Audio capture",
- .dma_req = OMAP44XX_DMA_MCPDM_UP,
- .data_type = OMAP_DMA_DATA_TYPE_S32,
- .sync_mode = OMAP_DMA_SYNC_PACKET,
- .port_addr = OMAP44XX_MCPDM_L3_BASE + MCPDM_REG_UP_DATA,
},
};
@@ -278,9 +269,11 @@ static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream,
}
omap_mcpdm_open_streams(mcpdm);
}
-
mutex_unlock(&mcpdm->mutex);
+ snd_soc_dai_set_dma_data(dai, substream,
+ &omap_mcpdm_dai_dma_params[substream->stream]);
+
return 0;
}
@@ -335,7 +328,7 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
- dma_data = &omap_mcpdm_dai_dma_params[stream];
+ dma_data = snd_soc_dai_get_dma_data(dai, substream);
/* Configure McPDM channels, and DMA packet size */
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -347,8 +340,6 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream,
dma_data->packet_size = mcpdm->up_threshold * channels;
}
- snd_soc_dai_set_dma_data(dai, substream, dma_data);
-
return 0;
}
@@ -447,9 +438,8 @@ static __devinit int asoc_mcpdm_probe(struct platform_device *pdev)
{
struct omap_mcpdm *mcpdm;
struct resource *res;
- int ret = 0;
- mcpdm = kzalloc(sizeof(struct omap_mcpdm), GFP_KERNEL);
+ mcpdm = devm_kzalloc(&pdev->dev, sizeof(struct omap_mcpdm), GFP_KERNEL);
if (!mcpdm)
return -ENOMEM;
@@ -457,56 +447,54 @@ static __devinit int asoc_mcpdm_probe(struct platform_device *pdev)
mutex_init(&mcpdm->mutex);
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dma");
+ if (res == NULL)
+ return -ENOMEM;
+
+ omap_mcpdm_dai_dma_params[0].port_addr = res->start + MCPDM_REG_DN_DATA;
+ omap_mcpdm_dai_dma_params[1].port_addr = res->start + MCPDM_REG_UP_DATA;
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "no resource\n");
- goto err_res;
- }
+ if (res == NULL)
+ return -ENOMEM;
- if (!request_mem_region(res->start, resource_size(res), "McPDM")) {
- ret = -EBUSY;
- goto err_res;
- }
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "dn_link");
+ if (!res)
+ return -ENODEV;
- mcpdm->io_base = ioremap(res->start, resource_size(res));
- if (!mcpdm->io_base) {
- ret = -ENOMEM;
- goto err_iomap;
- }
+ omap_mcpdm_dai_dma_params[0].dma_req = res->start;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "up_link");
+ if (!res)
+ return -ENODEV;
+
+ omap_mcpdm_dai_dma_params[1].dma_req = res->start;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
+ if (res == NULL)
+ return -ENOMEM;
+
+ if (!devm_request_mem_region(&pdev->dev, res->start,
+ resource_size(res), "McPDM"))
+ return -EBUSY;
+
+ mcpdm->io_base = devm_ioremap(&pdev->dev, res->start,
+ resource_size(res));
+ if (!mcpdm->io_base)
+ return -ENOMEM;
mcpdm->irq = platform_get_irq(pdev, 0);
- if (mcpdm->irq < 0) {
- ret = mcpdm->irq;
- goto err_irq;
- }
+ if (mcpdm->irq < 0)
+ return mcpdm->irq;
mcpdm->dev = &pdev->dev;
- ret = snd_soc_register_dai(&pdev->dev, &omap_mcpdm_dai);
- if (!ret)
- return 0;
-
-err_irq:
- iounmap(mcpdm->io_base);
-err_iomap:
- release_mem_region(res->start, resource_size(res));
-err_res:
- kfree(mcpdm);
- return ret;
+ return snd_soc_register_dai(&pdev->dev, &omap_mcpdm_dai);
}
static int __devexit asoc_mcpdm_remove(struct platform_device *pdev)
{
- struct omap_mcpdm *mcpdm = platform_get_drvdata(pdev);
- struct resource *res;
-
snd_soc_unregister_dai(&pdev->dev);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- iounmap(mcpdm->io_base);
- release_mem_region(res->start, resource_size(res));
-
- kfree(mcpdm);
return 0;
}
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