diff options
Diffstat (limited to 'sound/soc/fsl/fsl_dma.c')
| -rw-r--r-- | sound/soc/fsl/fsl_dma.c | 36 |
1 files changed, 11 insertions, 25 deletions
diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c index 96bb92dd174..a609aafc994 100644 --- a/sound/soc/fsl/fsl_dma.c +++ b/sound/soc/fsl/fsl_dma.c @@ -21,6 +21,8 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/gfp.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/list.h> #include <linux/slab.h> @@ -53,10 +55,6 @@ SNDRV_PCM_FMTBIT_S32_BE | \ SNDRV_PCM_FMTBIT_U32_LE | \ SNDRV_PCM_FMTBIT_U32_BE) - -#define FSLDMA_PCM_RATES (SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_192000 | \ - SNDRV_PCM_RATE_CONTINUOUS) - struct dma_object { struct snd_soc_platform_driver dai; dma_addr_t ssi_stx_phys; @@ -138,9 +136,6 @@ static const struct snd_pcm_hardware fsl_dma_hardware = { SNDRV_PCM_INFO_JOINT_DUPLEX | SNDRV_PCM_INFO_PAUSE, .formats = FSLDMA_PCM_FORMATS, - .rates = FSLDMA_PCM_RATES, - .rate_min = 5512, - .rate_max = 192000, .period_bytes_min = 512, /* A reasonable limit */ .period_bytes_max = (u32) -1, .periods_min = NUM_DMA_LINKS, @@ -298,14 +293,11 @@ static int fsl_dma_new(struct snd_soc_pcm_runtime *rtd) { struct snd_card *card = rtd->card->snd_card; struct snd_pcm *pcm = rtd->pcm; - static u64 fsl_dma_dmamask = DMA_BIT_MASK(36); int ret; - if (!card->dev->dma_mask) - card->dev->dma_mask = &fsl_dma_dmamask; - - if (!card->dev->coherent_dma_mask) - card->dev->coherent_dma_mask = fsl_dma_dmamask; + ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(36)); + if (ret) + return ret; /* Some codecs have separate DAIs for playback and capture, so we * should allocate a DMA buffer only for the streams that are valid. @@ -823,12 +815,6 @@ static int fsl_dma_close(struct snd_pcm_substream *substream) if (dma_private->irq) free_irq(dma_private->irq, dma_private); - if (dma_private->ld_buf_phys) { - dma_unmap_single(dev, dma_private->ld_buf_phys, - sizeof(dma_private->link), - DMA_TO_DEVICE); - } - /* Deallocate the fsl_dma_private structure */ dma_free_coherent(dev, sizeof(struct fsl_dma_private), dma_private, dma_private->ld_buf_phys); @@ -859,7 +845,7 @@ static void fsl_dma_free_dma_buffers(struct snd_pcm *pcm) } /** - * find_ssi_node -- returns the SSI node that points to his DMA channel node + * find_ssi_node -- returns the SSI node that points to its DMA channel node * * Although this DMA driver attempts to operate independently of the other * devices, it still needs to determine some information about the SSI device @@ -900,7 +886,7 @@ static struct snd_pcm_ops fsl_dma_ops = { .pointer = fsl_dma_pointer, }; -static int __devinit fsl_soc_dma_probe(struct platform_device *pdev) +static int fsl_soc_dma_probe(struct platform_device *pdev) { struct dma_object *dma; struct device_node *np = pdev->dev.of_node; @@ -937,8 +923,8 @@ static int __devinit fsl_soc_dma_probe(struct platform_device *pdev) dma->dai.pcm_free = fsl_dma_free_dma_buffers; /* Store the SSI-specific information that we need */ - dma->ssi_stx_phys = res.start + offsetof(struct ccsr_ssi, stx0); - dma->ssi_srx_phys = res.start + offsetof(struct ccsr_ssi, srx0); + dma->ssi_stx_phys = res.start + CCSR_SSI_STX0; + dma->ssi_srx_phys = res.start + CCSR_SSI_SRX0; iprop = of_get_property(ssi_np, "fsl,fifo-depth", NULL); if (iprop) @@ -964,7 +950,7 @@ static int __devinit fsl_soc_dma_probe(struct platform_device *pdev) return 0; } -static int __devexit fsl_soc_dma_remove(struct platform_device *pdev) +static int fsl_soc_dma_remove(struct platform_device *pdev) { struct dma_object *dma = dev_get_drvdata(&pdev->dev); @@ -989,7 +975,7 @@ static struct platform_driver fsl_soc_dma_driver = { .of_match_table = fsl_soc_dma_ids, }, .probe = fsl_soc_dma_probe, - .remove = __devexit_p(fsl_soc_dma_remove), + .remove = fsl_soc_dma_remove, }; module_platform_driver(fsl_soc_dma_driver); |