diff options
Diffstat (limited to 'sound/soc/kirkwood/kirkwood-dma.c')
| -rw-r--r-- | sound/soc/kirkwood/kirkwood-dma.c | 69 |
1 files changed, 45 insertions, 24 deletions
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c index a30205be3e2..0fd6a630db0 100644 --- a/sound/soc/kirkwood/kirkwood-dma.c +++ b/sound/soc/kirkwood/kirkwood-dma.c @@ -2,6 +2,7 @@ * kirkwood-dma.c * * (c) 2010 Arnaud Patard <apatard@mandriva.com> + * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -18,7 +19,6 @@ #include <linux/dma-mapping.h> #include <linux/mbus.h> #include <sound/soc.h> -#include "kirkwood-dma.h" #include "kirkwood.h" #define KIRKWOOD_RATES \ @@ -123,9 +123,10 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream) int err; struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; - struct snd_soc_dai *cpu_dai = soc_runtime->dai->cpu_dai; + struct snd_soc_platform *platform = soc_runtime->platform; + struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai; struct kirkwood_dma_data *priv; - struct kirkwood_dma_priv *prdata = cpu_dai->private_data; + struct kirkwood_dma_priv *prdata = snd_soc_platform_get_drvdata(platform); unsigned long addr; priv = snd_soc_dai_get_dma_data(cpu_dai, substream); @@ -151,7 +152,7 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream) if (err < 0) return err; - if (soc_runtime->dai->cpu_dai->private_data == NULL) { + if (prdata == NULL) { prdata = kzalloc(sizeof(struct kirkwood_dma_priv), GFP_KERNEL); if (prdata == NULL) return -ENOMEM; @@ -165,7 +166,7 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream) return -EBUSY; } - soc_runtime->dai->cpu_dai->private_data = prdata; + snd_soc_platform_set_drvdata(platform, prdata); /* * Enable Error interrupts. We're only ack'ing them but @@ -191,8 +192,9 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream) static int kirkwood_dma_close(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; - struct snd_soc_dai *cpu_dai = soc_runtime->dai->cpu_dai; - struct kirkwood_dma_priv *prdata = cpu_dai->private_data; + struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai; + struct snd_soc_platform *platform = soc_runtime->platform; + struct kirkwood_dma_priv *prdata = snd_soc_platform_get_drvdata(platform); struct kirkwood_dma_data *priv; priv = snd_soc_dai_get_dma_data(cpu_dai, substream); @@ -209,7 +211,7 @@ static int kirkwood_dma_close(struct snd_pcm_substream *substream) writel(0, priv->io + KIRKWOOD_ERR_MASK); free_irq(priv->irq, prdata); kfree(prdata); - soc_runtime->dai->cpu_dai->private_data = NULL; + snd_soc_platform_set_drvdata(platform, NULL); } return 0; @@ -236,7 +238,7 @@ static int kirkwood_dma_prepare(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; - struct snd_soc_dai *cpu_dai = soc_runtime->dai->cpu_dai; + struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai; struct kirkwood_dma_data *priv; unsigned long size, count; @@ -265,7 +267,7 @@ static snd_pcm_uframes_t kirkwood_dma_pointer(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; - struct snd_soc_dai *cpu_dai = soc_runtime->dai->cpu_dai; + struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai; struct kirkwood_dma_data *priv; snd_pcm_uframes_t count; @@ -320,14 +322,14 @@ static int kirkwood_dma_new(struct snd_card *card, if (!card->dev->coherent_dma_mask) card->dev->coherent_dma_mask = 0xffffffff; - if (dai->playback.channels_min) { + if (dai->driver->playback.channels_min) { ret = kirkwood_dma_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_PLAYBACK); if (ret) return ret; } - if (dai->capture.channels_min) { + if (dai->driver->capture.channels_min) { ret = kirkwood_dma_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_CAPTURE); if (ret) @@ -357,27 +359,46 @@ static void kirkwood_dma_free_dma_buffers(struct snd_pcm *pcm) } } -struct snd_soc_platform kirkwood_soc_platform = { - .name = "kirkwood-dma", - .pcm_ops = &kirkwood_dma_ops, +static struct snd_soc_platform_driver kirkwood_soc_platform = { + .ops = &kirkwood_dma_ops, .pcm_new = kirkwood_dma_new, .pcm_free = kirkwood_dma_free_dma_buffers, }; -EXPORT_SYMBOL_GPL(kirkwood_soc_platform); -static int __init kirkwood_soc_platform_init(void) +static int __devinit kirkwood_soc_platform_probe(struct platform_device *pdev) { - return snd_soc_register_platform(&kirkwood_soc_platform); + return snd_soc_register_platform(&pdev->dev, &kirkwood_soc_platform); } -module_init(kirkwood_soc_platform_init); -static void __exit kirkwood_soc_platform_exit(void) +static int __devexit kirkwood_soc_platform_remove(struct platform_device *pdev) { - snd_soc_unregister_platform(&kirkwood_soc_platform); + snd_soc_unregister_platform(&pdev->dev); + return 0; } -module_exit(kirkwood_soc_platform_exit); -MODULE_AUTHOR("Arnaud Patard <apatard@mandriva.com>"); +static struct platform_driver kirkwood_pcm_driver = { + .driver = { + .name = "kirkwood-pcm-audio", + .owner = THIS_MODULE, + }, + + .probe = kirkwood_soc_platform_probe, + .remove = __devexit_p(kirkwood_soc_platform_remove), +}; + +static int __init kirkwood_pcm_init(void) +{ + return platform_driver_register(&kirkwood_pcm_driver); +} +module_init(kirkwood_pcm_init); + +static void __exit kirkwood_pcm_exit(void) +{ + platform_driver_unregister(&kirkwood_pcm_driver); +} +module_exit(kirkwood_pcm_exit); + +MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>"); MODULE_DESCRIPTION("Marvell Kirkwood Audio DMA module"); MODULE_LICENSE("GPL"); - +MODULE_ALIAS("platform:kirkwood-pcm-audio"); |