diff options
Diffstat (limited to 'sound/soc/kirkwood/kirkwood-i2s.c')
| -rw-r--r-- | sound/soc/kirkwood/kirkwood-i2s.c | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c index 981ffc2a13c8..a33fc51f363b 100644 --- a/sound/soc/kirkwood/kirkwood-i2s.c +++ b/sound/soc/kirkwood/kirkwood-i2s.c @@ -2,6 +2,7 @@ * kirkwood-i2s.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 @@ -20,7 +21,6 @@ #include <sound/pcm_params.h> #include <sound/soc.h> #include <plat/audio.h> -#include "kirkwood-i2s.h" #include "kirkwood.h" #define DRV_NAME "kirkwood-i2s" @@ -33,13 +33,10 @@ SNDRV_PCM_FMTBIT_S24_LE | \ SNDRV_PCM_FMTBIT_S32_LE) - -struct snd_soc_dai kirkwood_i2s_dai; -static struct kirkwood_dma_data *priv; - static int kirkwood_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { + struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(cpu_dai); unsigned long mask; unsigned long value; @@ -101,10 +98,20 @@ static inline void kirkwood_set_dco(void __iomem *io, unsigned long rate) } while (value == 0); } +static int kirkwood_i2s_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai); + + snd_soc_dai_set_dma_data(dai, substream, priv); + return 0; +} + static int kirkwood_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { + struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai); unsigned int i2s_reg, reg; unsigned long i2s_value, value; @@ -171,6 +178,7 @@ static int kirkwood_i2s_hw_params(struct snd_pcm_substream *substream, static int kirkwood_i2s_play_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { + struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai); unsigned long value; /* @@ -244,6 +252,7 @@ static int kirkwood_i2s_play_trigger(struct snd_pcm_substream *substream, static int kirkwood_i2s_rec_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { + struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai); unsigned long value; value = readl(priv->io + KIRKWOOD_RECCTL); @@ -323,9 +332,9 @@ static int kirkwood_i2s_trigger(struct snd_pcm_substream *substream, int cmd, return 0; } -static int kirkwood_i2s_probe(struct platform_device *pdev, - struct snd_soc_dai *dai) +static int kirkwood_i2s_probe(struct snd_soc_dai *dai) { + struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai); unsigned long value; unsigned int reg_data; @@ -359,21 +368,20 @@ static int kirkwood_i2s_probe(struct platform_device *pdev, } -static void kirkwood_i2s_remove(struct platform_device *pdev, - struct snd_soc_dai *dai) +static int kirkwood_i2s_remove(struct snd_soc_dai *dai) { + return 0; } static struct snd_soc_dai_ops kirkwood_i2s_dai_ops = { + .startup = kirkwood_i2s_startup, .trigger = kirkwood_i2s_trigger, .hw_params = kirkwood_i2s_hw_params, .set_fmt = kirkwood_i2s_set_fmt, }; -struct snd_soc_dai kirkwood_i2s_dai = { - .name = DRV_NAME, - .id = 0, +static struct snd_soc_dai_driver kirkwood_i2s_dai = { .probe = kirkwood_i2s_probe, .remove = kirkwood_i2s_remove, .playback = { @@ -388,13 +396,13 @@ struct snd_soc_dai kirkwood_i2s_dai = { .formats = KIRKWOOD_I2S_FORMATS,}, .ops = &kirkwood_i2s_dai_ops, }; -EXPORT_SYMBOL_GPL(kirkwood_i2s_dai); static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev) { struct resource *mem; struct kirkwood_asoc_platform_data *data = pdev->dev.platform_data; + struct kirkwood_dma_data *priv; int err; priv = kzalloc(sizeof(struct kirkwood_dma_data), GFP_KERNEL); @@ -403,6 +411,7 @@ static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev) err = -ENOMEM; goto error; } + dev_set_drvdata(&pdev->dev, priv); mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!mem) { @@ -441,10 +450,7 @@ static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev) priv->dram = data->dram; priv->burst = data->burst; - kirkwood_i2s_dai.capture.dma_data = priv; - kirkwood_i2s_dai.playback.dma_data = priv; - - return snd_soc_register_dai(&kirkwood_i2s_dai); + return snd_soc_register_dai(&pdev->dev, &kirkwood_i2s_dai); err_ioremap: iounmap(priv->io); @@ -458,12 +464,13 @@ error: static __devexit int kirkwood_i2s_dev_remove(struct platform_device *pdev) { - if (priv) { - iounmap(priv->io); - release_mem_region(priv->mem->start, SZ_16K); - kfree(priv); - } - snd_soc_unregister_dai(&kirkwood_i2s_dai); + struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev); + + snd_soc_unregister_dai(&pdev->dev); + iounmap(priv->io); + release_mem_region(priv->mem->start, SZ_16K); + kfree(priv); + return 0; } @@ -489,7 +496,7 @@ static void __exit kirkwood_i2s_exit(void) module_exit(kirkwood_i2s_exit); /* Module information */ -MODULE_AUTHOR("Arnaud Patard, <apatard@mandriva.com>"); +MODULE_AUTHOR("Arnaud Patard, <arnaud.patard@rtp-net.org>"); MODULE_DESCRIPTION("Kirkwood I2S SoC Interface"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:kirkwood-i2s"); |