diff options
Diffstat (limited to 'sound/soc/davinci/davinci-vcif.c')
| -rw-r--r-- | sound/soc/davinci/davinci-vcif.c | 65 |
1 files changed, 36 insertions, 29 deletions
diff --git a/sound/soc/davinci/davinci-vcif.c b/sound/soc/davinci/davinci-vcif.c index ea232f6a2c2..77aef05588c 100644 --- a/sound/soc/davinci/davinci-vcif.c +++ b/sound/soc/davinci/davinci-vcif.c @@ -62,9 +62,9 @@ static void davinci_vcif_start(struct snd_pcm_substream *substream) w = readl(davinci_vc->base + DAVINCI_VC_CTRL); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 1); + MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 0); else - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 1); + MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 0); writel(w, davinci_vc->base + DAVINCI_VC_CTRL); } @@ -80,9 +80,9 @@ static void davinci_vcif_stop(struct snd_pcm_substream *substream) /* Reset transmitter/receiver and sample rate/frame sync generators */ w = readl(davinci_vc->base + DAVINCI_VC_CTRL); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 0); + MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 1); else - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 0); + MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 1); writel(w, davinci_vc->base + DAVINCI_VC_CTRL); } @@ -97,9 +97,6 @@ static int davinci_vcif_hw_params(struct snd_pcm_substream *substream, &davinci_vcif_dev->dma_params[substream->stream]; u32 w; - dai->capture_dma_data = davinci_vcif_dev->dma_params; - dai->playback_dma_data = davinci_vcif_dev->dma_params; - /* Restart the codec before setup */ davinci_vcif_stop(substream); davinci_vcif_start(substream); @@ -162,6 +159,7 @@ static int davinci_vcif_trigger(struct snd_pcm_substream *substream, int cmd, case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: davinci_vcif_start(substream); + break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: @@ -174,9 +172,19 @@ static int davinci_vcif_trigger(struct snd_pcm_substream *substream, int cmd, return ret; } +static int davinci_vcif_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct davinci_vcif_dev *dev = snd_soc_dai_get_drvdata(dai); + + snd_soc_dai_set_dma_data(dai, substream, dev->dma_params); + return 0; +} + #define DAVINCI_VCIF_RATES SNDRV_PCM_RATE_8000_48000 -static struct snd_soc_dai_ops davinci_vcif_dai_ops = { +static const struct snd_soc_dai_ops davinci_vcif_dai_ops = { + .startup = davinci_vcif_startup, .trigger = davinci_vcif_trigger, .hw_params = davinci_vcif_hw_params, }; @@ -196,13 +204,19 @@ static struct snd_soc_dai_driver davinci_vcif_dai = { }; +static const struct snd_soc_component_driver davinci_vcif_component = { + .name = "davinci-vcif", +}; + static int davinci_vcif_probe(struct platform_device *pdev) { - struct davinci_vc *davinci_vc = platform_get_drvdata(pdev); + struct davinci_vc *davinci_vc = pdev->dev.platform_data; struct davinci_vcif_dev *davinci_vcif_dev; int ret; - davinci_vcif_dev = kzalloc(sizeof(struct davinci_vcif_dev), GFP_KERNEL); + davinci_vcif_dev = devm_kzalloc(&pdev->dev, + sizeof(struct davinci_vcif_dev), + GFP_KERNEL); if (!davinci_vcif_dev) { dev_dbg(&pdev->dev, "could not allocate memory for private data\n"); @@ -224,23 +238,26 @@ static int davinci_vcif_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, davinci_vcif_dev); - ret = snd_soc_register_dai(&pdev->dev, &davinci_vcif_dai); + ret = snd_soc_register_component(&pdev->dev, &davinci_vcif_component, + &davinci_vcif_dai, 1); if (ret != 0) { dev_err(&pdev->dev, "could not register dai\n"); - goto fail; + return ret; } - return 0; - -fail: - kfree(davinci_vcif_dev); + ret = davinci_soc_platform_register(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "register PCM failed: %d\n", ret); + snd_soc_unregister_component(&pdev->dev); + return ret; + } - return ret; + return 0; } static int davinci_vcif_remove(struct platform_device *pdev) { - snd_soc_unregister_dai(&pdev->dev); + snd_soc_unregister_component(&pdev->dev); return 0; } @@ -254,17 +271,7 @@ static struct platform_driver davinci_vcif_driver = { }, }; -static int __init davinci_vcif_init(void) -{ - return platform_driver_probe(&davinci_vcif_driver, davinci_vcif_probe); -} -module_init(davinci_vcif_init); - -static void __exit davinci_vcif_exit(void) -{ - platform_driver_unregister(&davinci_vcif_driver); -} -module_exit(davinci_vcif_exit); +module_platform_driver(davinci_vcif_driver); MODULE_AUTHOR("Miguel Aguilar"); MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC Voice Codec Interface"); |