diff options
Diffstat (limited to 'sound/soc/samsung/idma.c')
| -rw-r--r-- | sound/soc/samsung/idma.c | 42 |
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); |
