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Diffstat (limited to 'sound/soc/imx/imx-pcm-fiq.c')
-rw-r--r--sound/soc/imx/imx-pcm-fiq.c68
1 files changed, 54 insertions, 14 deletions
diff --git a/sound/soc/imx/imx-pcm-fiq.c b/sound/soc/imx/imx-pcm-fiq.c
index b2bf272..413b78d 100644
--- a/sound/soc/imx/imx-pcm-fiq.c
+++ b/sound/soc/imx/imx-pcm-fiq.c
@@ -236,6 +236,8 @@ static struct snd_pcm_ops imx_pcm_ops = {
.mmap = snd_imx_pcm_mmap,
};
+static int ssi_irq = 0;
+
static int imx_pcm_fiq_new(struct snd_card *card, struct snd_soc_dai *dai,
struct snd_pcm *pcm)
{
@@ -245,7 +247,7 @@ static int imx_pcm_fiq_new(struct snd_card *card, struct snd_soc_dai *dai,
if (ret)
return ret;
- if (dai->playback.channels_min) {
+ if (dai->driver->playback.channels_min) {
struct snd_pcm_substream *substream =
pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
struct snd_dma_buffer *buf = &substream->dma_buffer;
@@ -253,7 +255,7 @@ static int imx_pcm_fiq_new(struct snd_card *card, struct snd_soc_dai *dai,
imx_ssi_fiq_tx_buffer = (unsigned long)buf->area;
}
- if (dai->capture.channels_min) {
+ if (dai->driver->capture.channels_min) {
struct snd_pcm_substream *substream =
pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
struct snd_dma_buffer *buf = &substream->dma_buffer;
@@ -267,24 +269,32 @@ static int imx_pcm_fiq_new(struct snd_card *card, struct snd_soc_dai *dai,
return 0;
}
-static struct snd_soc_platform imx_soc_platform_fiq = {
- .pcm_ops = &imx_pcm_ops,
+static void imx_pcm_fiq_free(struct snd_pcm *pcm)
+{
+ mxc_set_irq_fiq(ssi_irq, 0);
+ release_fiq(&fh);
+ imx_pcm_free(pcm);
+}
+
+static struct snd_soc_platform_driver imx_soc_platform_fiq = {
+ .ops = &imx_pcm_ops,
.pcm_new = imx_pcm_fiq_new,
- .pcm_free = imx_pcm_free,
+ .pcm_free = imx_pcm_fiq_free,
};
-struct snd_soc_platform *imx_ssi_fiq_init(struct platform_device *pdev,
- struct imx_ssi *ssi)
+static int __devinit imx_soc_platform_probe(struct platform_device *pdev)
{
- int ret = 0;
+ struct imx_ssi *ssi = platform_get_drvdata(pdev);
+ int ret;
ret = claim_fiq(&fh);
if (ret) {
dev_err(&pdev->dev, "failed to claim fiq: %d", ret);
- return ERR_PTR(ret);
+ return ret;
}
mxc_set_irq_fiq(ssi->irq, 1);
+ ssi_irq = ssi->irq;
imx_pcm_fiq = ssi->irq;
@@ -293,13 +303,43 @@ struct snd_soc_platform *imx_ssi_fiq_init(struct platform_device *pdev,
ssi->dma_params_tx.burstsize = 4;
ssi->dma_params_rx.burstsize = 6;
- return &imx_soc_platform_fiq;
+ ret = snd_soc_register_platform(&pdev->dev, &imx_soc_platform_fiq);
+ if (ret)
+ goto failed_register;
+
+ return 0;
+
+failed_register:
+ mxc_set_irq_fiq(ssi_irq, 0);
+ release_fiq(&fh);
+
+ return ret;
}
-void imx_ssi_fiq_exit(struct platform_device *pdev,
- struct imx_ssi *ssi)
+static int __devexit imx_soc_platform_remove(struct platform_device *pdev)
{
- mxc_set_irq_fiq(ssi->irq, 0);
- release_fiq(&fh);
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
}
+static struct platform_driver imx_pcm_driver = {
+ .driver = {
+ .name = "imx-fiq-pcm-audio",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = imx_soc_platform_probe,
+ .remove = __devexit_p(imx_soc_platform_remove),
+};
+
+static int __init snd_imx_pcm_init(void)
+{
+ return platform_driver_register(&imx_pcm_driver);
+}
+module_init(snd_imx_pcm_init);
+
+static void __exit snd_imx_pcm_exit(void)
+{
+ platform_driver_unregister(&imx_pcm_driver);
+}
+module_exit(snd_imx_pcm_exit);
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