diff options
Diffstat (limited to 'sound/soc/fsl/mpc5200_dma.c')
-rw-r--r-- | sound/soc/fsl/mpc5200_dma.c | 66 |
1 files changed, 47 insertions, 19 deletions
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c index 3dcd1469f28..dce6b551cd7 100644 --- a/sound/soc/fsl/mpc5200_dma.c +++ b/sound/soc/fsl/mpc5200_dma.c @@ -9,6 +9,8 @@ #include <linux/module.h> #include <linux/of_device.h> #include <linux/slab.h> +#include <linux/of_device.h> +#include <linux/of_platform.h> #include <sound/soc.h> @@ -107,7 +109,7 @@ static int psc_dma_hw_free(struct snd_pcm_substream *substream) static int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data; + struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai); struct snd_pcm_runtime *runtime = substream->runtime; struct psc_dma_stream *s = to_psc_dma_stream(substream, psc_dma); struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs; @@ -212,7 +214,7 @@ static int psc_dma_open(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data; + struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai); struct psc_dma_stream *s; int rc; @@ -239,7 +241,7 @@ static int psc_dma_open(struct snd_pcm_substream *substream) static int psc_dma_close(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data; + struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai); struct psc_dma_stream *s; dev_dbg(psc_dma->dev, "psc_dma_close(substream=%p)\n", substream); @@ -264,7 +266,7 @@ static snd_pcm_uframes_t psc_dma_pointer(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data; + struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai); struct psc_dma_stream *s; dma_addr_t count; @@ -302,11 +304,11 @@ static int psc_dma_new(struct snd_card *card, struct snd_soc_dai *dai, struct snd_pcm *pcm) { struct snd_soc_pcm_runtime *rtd = pcm->private_data; - struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data; + 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; - dev_dbg(rtd->socdev->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n", + dev_dbg(rtd->platform->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n", card, dai, pcm); if (!card->dev->dma_mask) @@ -328,8 +330,8 @@ static int psc_dma_new(struct snd_card *card, struct snd_soc_dai *dai, goto capture_alloc_err; } - if (rtd->socdev->card->codec->ac97) - rtd->socdev->card->codec->ac97->private_data = psc_dma; + if (rtd->codec->ac97) + rtd->codec->ac97->private_data = psc_dma; return 0; @@ -349,7 +351,7 @@ static void psc_dma_free(struct snd_pcm *pcm) struct snd_pcm_substream *substream; int stream; - dev_dbg(rtd->socdev->dev, "psc_dma_free(pcm=%p)\n", pcm); + dev_dbg(rtd->platform->dev, "psc_dma_free(pcm=%p)\n", pcm); for (stream = 0; stream < 2; stream++) { substream = pcm->streams[stream].substream; @@ -361,15 +363,14 @@ static void psc_dma_free(struct snd_pcm *pcm) } } -struct snd_soc_platform mpc5200_audio_dma_platform = { - .name = "mpc5200-psc-audio", - .pcm_ops = &psc_dma_ops, +static struct snd_soc_platform_driver mpc5200_audio_dma_platform = { + .ops = &psc_dma_ops, .pcm_new = &psc_dma_new, .pcm_free = &psc_dma_free, }; -EXPORT_SYMBOL_GPL(mpc5200_audio_dma_platform); -int mpc5200_audio_dma_create(struct platform_device *op) +static int mpc5200_hpcd_probe(struct of_device *op, + const struct of_device_id *match) { phys_addr_t fifo; struct psc_dma *psc_dma; @@ -475,7 +476,7 @@ int mpc5200_audio_dma_create(struct platform_device *op) dev_set_drvdata(&op->dev, psc_dma); /* Tell the ASoC OF helpers about it */ - return snd_soc_register_platform(&mpc5200_audio_dma_platform); + return snd_soc_register_platform(&op->dev, &mpc5200_audio_dma_platform); out_irq: free_irq(psc_dma->irq, psc_dma); free_irq(psc_dma->capture.irq, &psc_dma->capture); @@ -486,15 +487,14 @@ out_unmap: iounmap(regs); return ret; } -EXPORT_SYMBOL_GPL(mpc5200_audio_dma_create); -int mpc5200_audio_dma_destroy(struct platform_device *op) +static int mpc5200_hpcd_remove(struct of_device *op) { struct psc_dma *psc_dma = dev_get_drvdata(&op->dev); dev_dbg(&op->dev, "mpc5200_audio_dma_destroy()\n"); - snd_soc_unregister_platform(&mpc5200_audio_dma_platform); + snd_soc_unregister_platform(&op->dev); bcom_gen_bd_rx_release(psc_dma->capture.bcom_task); bcom_gen_bd_tx_release(psc_dma->playback.bcom_task); @@ -510,7 +510,35 @@ int mpc5200_audio_dma_destroy(struct platform_device *op) return 0; } -EXPORT_SYMBOL_GPL(mpc5200_audio_dma_destroy); + +static struct of_device_id mpc5200_hpcd_match[] = { + { + .compatible = "fsl,mpc5200-pcm", + }, + {} +}; +MODULE_DEVICE_TABLE(of, mpc5200_hpcd_match); + +static struct of_platform_driver mpc5200_hpcd_of_driver = { + .owner = THIS_MODULE, + .name = "mpc5200-pcm-audio", + .match_table = mpc5200_hpcd_match, + .probe = mpc5200_hpcd_probe, + .remove = mpc5200_hpcd_remove, +}; + +static int __init mpc5200_hpcd_init(void) +{ + return of_register_platform_driver(&mpc5200_hpcd_of_driver); +} + +static void __exit mpc5200_hpcd_exit(void) +{ + of_unregister_platform_driver(&mpc5200_hpcd_of_driver); +} + +module_init(mpc5200_hpcd_init); +module_exit(mpc5200_hpcd_exit); MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>"); MODULE_DESCRIPTION("Freescale MPC5200 PSC in DMA mode ASoC Driver"); |