diff options
Diffstat (limited to 'sound/soc/fsl/mpc5200_dma.c')
| -rw-r--r-- | sound/soc/fsl/mpc5200_dma.c | 44 |
1 files changed, 12 insertions, 32 deletions
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c index 9a3f7c5ab68..f2b5d756b1f 100644 --- a/sound/soc/fsl/mpc5200_dma.c +++ b/sound/soc/fsl/mpc5200_dma.c @@ -10,12 +10,14 @@ #include <linux/of_device.h> #include <linux/dma-mapping.h> #include <linux/slab.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include <sound/soc.h> -#include <sysdev/bestcomm/bestcomm.h> -#include <sysdev/bestcomm/gen_bd.h> +#include <linux/fsl/bestcomm/bestcomm.h> +#include <linux/fsl/bestcomm/gen_bd.h> #include <asm/mpc52xx_psc.h> #include "mpc5200_dma.h" @@ -198,10 +200,6 @@ static const struct snd_pcm_hardware psc_dma_hardware = { SNDRV_PCM_INFO_BATCH, .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S32_BE, - .rate_min = 8000, - .rate_max = 48000, - .channels_min = 1, - .channels_max = 2, .period_bytes_max = 1024 * 1024, .period_bytes_min = 32, .periods_min = 2, @@ -299,7 +297,6 @@ static struct snd_pcm_ops psc_dma_ops = { .hw_params = psc_dma_hw_params, }; -static u64 psc_dma_dmamask = DMA_BIT_MASK(32); static int psc_dma_new(struct snd_soc_pcm_runtime *rtd) { struct snd_card *card = rtd->card->snd_card; @@ -307,15 +304,14 @@ static int psc_dma_new(struct snd_soc_pcm_runtime *rtd) struct snd_pcm *pcm = rtd->pcm; struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai); size_t size = psc_dma_hardware.buffer_bytes_max; - int rc = 0; + int rc; dev_dbg(rtd->platform->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n", card, dai, pcm); - if (!card->dev->dma_mask) - card->dev->dma_mask = &psc_dma_dmamask; - if (!card->dev->coherent_dma_mask) - card->dev->coherent_dma_mask = DMA_BIT_MASK(32); + rc = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); + if (rc) + return rc; if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { rc = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->card->dev, @@ -370,7 +366,7 @@ static struct snd_soc_platform_driver mpc5200_audio_dma_platform = { .pcm_free = &psc_dma_free, }; -static int mpc5200_hpcd_probe(struct platform_device *op) +int mpc5200_audio_dma_create(struct platform_device *op) { phys_addr_t fifo; struct psc_dma *psc_dma; @@ -487,8 +483,9 @@ out_unmap: iounmap(regs); return ret; } +EXPORT_SYMBOL_GPL(mpc5200_audio_dma_create); -static int mpc5200_hpcd_remove(struct platform_device *op) +int mpc5200_audio_dma_destroy(struct platform_device *op) { struct psc_dma *psc_dma = dev_get_drvdata(&op->dev); @@ -510,24 +507,7 @@ static int mpc5200_hpcd_remove(struct platform_device *op) return 0; } - -static struct of_device_id mpc5200_hpcd_match[] = { - { .compatible = "fsl,mpc5200-pcm", }, - {} -}; -MODULE_DEVICE_TABLE(of, mpc5200_hpcd_match); - -static struct platform_driver mpc5200_hpcd_of_driver = { - .probe = mpc5200_hpcd_probe, - .remove = mpc5200_hpcd_remove, - .driver = { - .owner = THIS_MODULE, - .name = "mpc5200-pcm-audio", - .of_match_table = mpc5200_hpcd_match, - } -}; - -module_platform_driver(mpc5200_hpcd_of_driver); +EXPORT_SYMBOL_GPL(mpc5200_audio_dma_destroy); MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>"); MODULE_DESCRIPTION("Freescale MPC5200 PSC in DMA mode ASoC Driver"); |