diff options
Diffstat (limited to 'sound/soc/au1x/psc-i2s.c')
| -rw-r--r-- | sound/soc/au1x/psc-i2s.c | 105 |
1 files changed, 49 insertions, 56 deletions
diff --git a/sound/soc/au1x/psc-i2s.c b/sound/soc/au1x/psc-i2s.c index fca09127632..fe923a7bdc3 100644 --- a/sound/soc/au1x/psc-i2s.c +++ b/sound/soc/au1x/psc-i2s.c @@ -42,13 +42,13 @@ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) #define I2SSTAT_BUSY(stype) \ - ((stype) == PCM_TX ? PSC_I2SSTAT_TB : PSC_I2SSTAT_RB) + ((stype) == SNDRV_PCM_STREAM_PLAYBACK ? PSC_I2SSTAT_TB : PSC_I2SSTAT_RB) #define I2SPCR_START(stype) \ - ((stype) == PCM_TX ? PSC_I2SPCR_TS : PSC_I2SPCR_RS) + ((stype) == SNDRV_PCM_STREAM_PLAYBACK ? PSC_I2SPCR_TS : PSC_I2SPCR_RS) #define I2SPCR_STOP(stype) \ - ((stype) == PCM_TX ? PSC_I2SPCR_TP : PSC_I2SPCR_RP) + ((stype) == SNDRV_PCM_STREAM_PLAYBACK ? PSC_I2SPCR_TP : PSC_I2SPCR_RP) #define I2SPCR_CLRFIFO(stype) \ - ((stype) == PCM_TX ? PSC_I2SPCR_TC : PSC_I2SPCR_RC) + ((stype) == SNDRV_PCM_STREAM_PLAYBACK ? PSC_I2SPCR_TC : PSC_I2SPCR_RC) static int au1xpsc_i2s_set_fmt(struct snd_soc_dai *cpu_dai, @@ -240,7 +240,7 @@ static int au1xpsc_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { struct au1xpsc_audio_data *pscdata = snd_soc_dai_get_drvdata(dai); - int ret, stype = SUBSTREAM_TYPE(substream); + int ret, stype = substream->stream; switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -257,7 +257,16 @@ static int au1xpsc_i2s_trigger(struct snd_pcm_substream *substream, int cmd, return ret; } -static struct snd_soc_dai_ops au1xpsc_i2s_dai_ops = { +static int au1xpsc_i2s_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct au1xpsc_audio_data *pscdata = snd_soc_dai_get_drvdata(dai); + snd_soc_dai_set_dma_data(dai, substream, &pscdata->dmaids[0]); + return 0; +} + +static const struct snd_soc_dai_ops au1xpsc_i2s_dai_ops = { + .startup = au1xpsc_i2s_startup, .trigger = au1xpsc_i2s_trigger, .hw_params = au1xpsc_i2s_hw_params, .set_fmt = au1xpsc_i2s_set_fmt, @@ -279,30 +288,46 @@ static const struct snd_soc_dai_driver au1xpsc_i2s_dai_template = { .ops = &au1xpsc_i2s_dai_ops, }; -static int __devinit au1xpsc_i2s_drvprobe(struct platform_device *pdev) +static const struct snd_soc_component_driver au1xpsc_i2s_component = { + .name = "au1xpsc-i2s", +}; + +static int au1xpsc_i2s_drvprobe(struct platform_device *pdev) { - struct resource *r; + struct resource *iores, *dmares; unsigned long sel; int ret; struct au1xpsc_audio_data *wd; - wd = kzalloc(sizeof(struct au1xpsc_audio_data), GFP_KERNEL); + wd = devm_kzalloc(&pdev->dev, sizeof(struct au1xpsc_audio_data), + GFP_KERNEL); if (!wd) return -ENOMEM; - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) { - ret = -ENODEV; - goto out0; - } + iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iores) + return -ENODEV; ret = -EBUSY; - if (!request_mem_region(r->start, resource_size(r), pdev->name)) - goto out0; + if (!devm_request_mem_region(&pdev->dev, iores->start, + resource_size(iores), + pdev->name)) + return -EBUSY; - wd->mmio = ioremap(r->start, resource_size(r)); + wd->mmio = devm_ioremap(&pdev->dev, iores->start, + resource_size(iores)); if (!wd->mmio) - goto out1; + return -EBUSY; + + dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0); + if (!dmares) + return -EBUSY; + wd->dmaids[SNDRV_PCM_STREAM_PLAYBACK] = dmares->start; + + dmares = platform_get_resource(pdev, IORESOURCE_DMA, 1); + if (!dmares) + return -EBUSY; + wd->dmaids[SNDRV_PCM_STREAM_CAPTURE] = dmares->start; /* preserve PSC clock source set up by platform (dev.platform_data * is already occupied by soc layer) @@ -329,42 +354,21 @@ static int __devinit au1xpsc_i2s_drvprobe(struct platform_device *pdev) platform_set_drvdata(pdev, wd); - ret = snd_soc_register_dai(&pdev->dev, &wd->dai_drv); - if (ret) - goto out1; - - /* finally add the DMA device for this PSC */ - wd->dmapd = au1xpsc_pcm_add(pdev); - if (wd->dmapd) - return 0; - - snd_soc_unregister_dai(&pdev->dev); -out1: - release_mem_region(r->start, resource_size(r)); -out0: - kfree(wd); - return ret; + return snd_soc_register_component(&pdev->dev, &au1xpsc_i2s_component, + &wd->dai_drv, 1); } -static int __devexit au1xpsc_i2s_drvremove(struct platform_device *pdev) +static int au1xpsc_i2s_drvremove(struct platform_device *pdev) { struct au1xpsc_audio_data *wd = platform_get_drvdata(pdev); - struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (wd->dmapd) - au1xpsc_pcm_destroy(wd->dmapd); - - snd_soc_unregister_dai(&pdev->dev); + snd_soc_unregister_component(&pdev->dev); au_writel(0, I2S_CFG(wd)); au_sync(); au_writel(PSC_CTRL_DISABLE, PSC_CTRL(wd)); au_sync(); - iounmap(wd->mmio); - release_mem_region(r->start, resource_size(r)); - kfree(wd); - return 0; } @@ -419,21 +423,10 @@ static struct platform_driver au1xpsc_i2s_driver = { .pm = AU1XPSCI2S_PMOPS, }, .probe = au1xpsc_i2s_drvprobe, - .remove = __devexit_p(au1xpsc_i2s_drvremove), + .remove = au1xpsc_i2s_drvremove, }; -static int __init au1xpsc_i2s_load(void) -{ - return platform_driver_register(&au1xpsc_i2s_driver); -} - -static void __exit au1xpsc_i2s_unload(void) -{ - platform_driver_unregister(&au1xpsc_i2s_driver); -} - -module_init(au1xpsc_i2s_load); -module_exit(au1xpsc_i2s_unload); +module_platform_driver(au1xpsc_i2s_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Au12x0/Au1550 PSC I2S ALSA ASoC audio driver"); |
