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Diffstat (limited to 'sound/soc/samsung/idma.c')
-rw-r--r--sound/soc/samsung/idma.c42
1 files changed, 15 insertions, 27 deletions
diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c
index c227c3163ca..8cc5770abb3 100644
--- a/sound/soc/samsung/idma.c
+++ b/sound/soc/samsung/idma.c
@@ -35,14 +35,6 @@ static const struct snd_pcm_hardware idma_hardware = {
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME,
- .formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_U16_LE |
- SNDRV_PCM_FMTBIT_S24_LE |
- SNDRV_PCM_FMTBIT_U24_LE |
- SNDRV_PCM_FMTBIT_U8 |
- SNDRV_PCM_FMTBIT_S8,
- .channels_min = 2,
- .channels_max = 2,
.buffer_bytes_max = MAX_IDMA_BUFFER,
.period_bytes_min = 128,
.period_bytes_max = MAX_IDMA_PERIOD,
@@ -68,6 +60,8 @@ static struct idma_info {
dma_addr_t lp_tx_addr;
} idma;
+static int idma_irq;
+
static void idma_getpos(dma_addr_t *src)
{
*src = idma.lp_tx_addr +
@@ -255,7 +249,6 @@ static int idma_mmap(struct snd_pcm_substream *substream,
/* From snd_pcm_lib_mmap_iomem */
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- vma->vm_flags |= VM_IO;
size = vma->vm_end - vma->vm_start;
offset = vma->vm_pgoff << PAGE_SHIFT;
ret = io_remap_pfn_range(vma, vma->vm_start,
@@ -281,7 +274,7 @@ static irqreturn_t iis_irq(int irqno, void *dev_id)
addr = readl(idma.regs + I2SLVL0ADDR) - idma.lp_tx_addr;
addr += prtd->periodsz;
- addr %= (prtd->end - prtd->start);
+ addr %= (u32)(prtd->end - prtd->start);
addr += idma.lp_tx_addr;
writel(addr, idma.regs + I2SLVL0ADDR);
@@ -305,7 +298,7 @@ static int idma_open(struct snd_pcm_substream *substream)
if (prtd == NULL)
return -ENOMEM;
- ret = request_irq(IRQ_I2S0, iis_irq, 0, "i2s", prtd);
+ ret = request_irq(idma_irq, iis_irq, 0, "i2s", prtd);
if (ret < 0) {
pr_err("fail to claim i2s irq , ret = %d\n", ret);
kfree(prtd);
@@ -324,7 +317,7 @@ static int idma_close(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct idma_ctrl *prtd = runtime->private_data;
- free_irq(IRQ_I2S0, prtd);
+ free_irq(idma_irq, prtd);
if (!prtd)
pr_err("idma_close called with prtd == NULL\n");
@@ -382,18 +375,15 @@ static int preallocate_idma_buffer(struct snd_pcm *pcm, int stream)
return 0;
}
-static u64 idma_mask = DMA_BIT_MASK(32);
-
static int idma_new(struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
struct snd_pcm *pcm = rtd->pcm;
- int ret = 0;
+ int ret;
- if (!card->dev->dma_mask)
- card->dev->dma_mask = &idma_mask;
- if (!card->dev->coherent_dma_mask)
- card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+ ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+ if (ret)
+ return ret;
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
ret = preallocate_idma_buffer(pcm,
@@ -409,6 +399,7 @@ void idma_reg_addr_init(void __iomem *regs, dma_addr_t addr)
idma.regs = regs;
idma.lp_tx_addr = addr;
}
+EXPORT_SYMBOL_GPL(idma_reg_addr_init);
static struct snd_soc_platform_driver asoc_idma_platform = {
.ops = &idma_ops,
@@ -416,15 +407,13 @@ static struct snd_soc_platform_driver asoc_idma_platform = {
.pcm_free = idma_free,
};
-static int __devinit asoc_idma_platform_probe(struct platform_device *pdev)
+static int asoc_idma_platform_probe(struct platform_device *pdev)
{
- return snd_soc_register_platform(&pdev->dev, &asoc_idma_platform);
-}
+ idma_irq = platform_get_irq(pdev, 0);
+ if (idma_irq < 0)
+ return idma_irq;
-static int __devexit asoc_idma_platform_remove(struct platform_device *pdev)
-{
- snd_soc_unregister_platform(&pdev->dev);
- return 0;
+ return devm_snd_soc_register_platform(&pdev->dev, &asoc_idma_platform);
}
static struct platform_driver asoc_idma_driver = {
@@ -434,7 +423,6 @@ static struct platform_driver asoc_idma_driver = {
},
.probe = asoc_idma_platform_probe,
- .remove = __devexit_p(asoc_idma_platform_remove),
};
module_platform_driver(asoc_idma_driver);