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Diffstat (limited to 'sound/soc/tegra/tegra30_i2s.c')
-rw-r--r--sound/soc/tegra/tegra30_i2s.c97
1 files changed, 52 insertions, 45 deletions
diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c
index 02247fee1cf7..49ad9366add8 100644
--- a/sound/soc/tegra/tegra30_i2s.c
+++ b/sound/soc/tegra/tegra30_i2s.c
@@ -73,47 +73,6 @@ static int tegra30_i2s_runtime_resume(struct device *dev)
return 0;
}
-static int tegra30_i2s_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(dai);
- int ret;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- ret = tegra30_ahub_allocate_tx_fifo(&i2s->playback_fifo_cif,
- &i2s->playback_dma_data.addr,
- &i2s->playback_dma_data.slave_id);
- i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- i2s->playback_dma_data.maxburst = 4;
- tegra30_ahub_set_rx_cif_source(i2s->playback_i2s_cif,
- i2s->playback_fifo_cif);
- } else {
- ret = tegra30_ahub_allocate_rx_fifo(&i2s->capture_fifo_cif,
- &i2s->capture_dma_data.addr,
- &i2s->capture_dma_data.slave_id);
- i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- i2s->capture_dma_data.maxburst = 4;
- tegra30_ahub_set_rx_cif_source(i2s->capture_fifo_cif,
- i2s->capture_i2s_cif);
- }
-
- return ret;
-}
-
-static void tegra30_i2s_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- tegra30_ahub_unset_rx_cif_source(i2s->playback_i2s_cif);
- tegra30_ahub_free_tx_fifo(i2s->playback_fifo_cif);
- } else {
- tegra30_ahub_unset_rx_cif_source(i2s->capture_fifo_cif);
- tegra30_ahub_free_rx_fifo(i2s->capture_fifo_cif);
- }
-}
-
static int tegra30_i2s_set_fmt(struct snd_soc_dai *dai,
unsigned int fmt)
{
@@ -317,8 +276,6 @@ static int tegra30_i2s_probe(struct snd_soc_dai *dai)
}
static struct snd_soc_dai_ops tegra30_i2s_dai_ops = {
- .startup = tegra30_i2s_startup,
- .shutdown = tegra30_i2s_shutdown,
.set_fmt = tegra30_i2s_set_fmt,
.hw_params = tegra30_i2s_hw_params,
.trigger = tegra30_i2s_trigger,
@@ -499,15 +456,51 @@ static int tegra30_i2s_platform_probe(struct platform_device *pdev)
goto err_pm_disable;
}
+ i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ i2s->playback_dma_data.maxburst = 4;
+ ret = tegra30_ahub_allocate_tx_fifo(&i2s->playback_fifo_cif,
+ i2s->playback_dma_chan,
+ sizeof(i2s->playback_dma_chan),
+ &i2s->playback_dma_data.addr);
+ if (ret) {
+ dev_err(&pdev->dev, "Could not alloc TX FIFO: %d\n", ret);
+ goto err_suspend;
+ }
+ ret = tegra30_ahub_set_rx_cif_source(i2s->playback_i2s_cif,
+ i2s->playback_fifo_cif);
+ if (ret) {
+ dev_err(&pdev->dev, "Could not route TX FIFO: %d\n", ret);
+ goto err_free_tx_fifo;
+ }
+
+ i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ i2s->capture_dma_data.maxburst = 4;
+ ret = tegra30_ahub_allocate_rx_fifo(&i2s->capture_fifo_cif,
+ i2s->capture_dma_chan,
+ sizeof(i2s->capture_dma_chan),
+ &i2s->capture_dma_data.addr);
+ if (ret) {
+ dev_err(&pdev->dev, "Could not alloc RX FIFO: %d\n", ret);
+ goto err_unroute_tx_fifo;
+ }
+ ret = tegra30_ahub_set_rx_cif_source(i2s->capture_fifo_cif,
+ i2s->capture_i2s_cif);
+ if (ret) {
+ dev_err(&pdev->dev, "Could not route TX FIFO: %d\n", ret);
+ goto err_free_rx_fifo;
+ }
+
ret = snd_soc_register_component(&pdev->dev, &tegra30_i2s_component,
&i2s->dai, 1);
if (ret) {
dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
ret = -ENOMEM;
- goto err_suspend;
+ goto err_unroute_rx_fifo;
}
- ret = tegra_pcm_platform_register(&pdev->dev);
+ ret = tegra_pcm_platform_register_with_chan_names(&pdev->dev,
+ &i2s->dma_config, i2s->playback_dma_chan,
+ i2s->capture_dma_chan);
if (ret) {
dev_err(&pdev->dev, "Could not register PCM: %d\n", ret);
goto err_unregister_component;
@@ -517,6 +510,14 @@ static int tegra30_i2s_platform_probe(struct platform_device *pdev)
err_unregister_component:
snd_soc_unregister_component(&pdev->dev);
+err_unroute_rx_fifo:
+ tegra30_ahub_unset_rx_cif_source(i2s->capture_fifo_cif);
+err_free_rx_fifo:
+ tegra30_ahub_free_rx_fifo(i2s->capture_fifo_cif);
+err_unroute_tx_fifo:
+ tegra30_ahub_unset_rx_cif_source(i2s->playback_i2s_cif);
+err_free_tx_fifo:
+ tegra30_ahub_free_tx_fifo(i2s->playback_fifo_cif);
err_suspend:
if (!pm_runtime_status_suspended(&pdev->dev))
tegra30_i2s_runtime_suspend(&pdev->dev);
@@ -539,6 +540,12 @@ static int tegra30_i2s_platform_remove(struct platform_device *pdev)
tegra_pcm_platform_unregister(&pdev->dev);
snd_soc_unregister_component(&pdev->dev);
+ tegra30_ahub_unset_rx_cif_source(i2s->capture_fifo_cif);
+ tegra30_ahub_free_rx_fifo(i2s->capture_fifo_cif);
+
+ tegra30_ahub_unset_rx_cif_source(i2s->playback_i2s_cif);
+ tegra30_ahub_free_tx_fifo(i2s->playback_fifo_cif);
+
clk_put(i2s->clk_i2s);
return 0;