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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-12 13:57:04 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-12 13:57:04 +0100 |
| commit | 38e8c895d33b0642dc341f83cce0adde4cffbc82 (patch) | |
| tree | 3657c043986d5c944f971c9685ae4a68f5a5b035 /sound/soc/fsl/fsl_ssi.c | |
| parent | d66e065c5b8b64b03a9d9b8a7c5d674c7dfa2e3d (diff) | |
| parent | 69b6f19622ce0aef41df884b75e3f789c64b89c0 (diff) | |
| download | linux-38e8c895d33b0642dc341f83cce0adde4cffbc82.tar.bz2 | |
Merge remote-tracking branch 'asoc/topic/dma' into asoc-next
Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
| -rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index fe04c67f8fb8..42366d776f62 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -27,6 +27,7 @@ #include <sound/pcm_params.h> #include <sound/initval.h> #include <sound/soc.h> +#include <sound/dmaengine_pcm.h> #include "fsl_ssi.h" #include "imx-pcm.h" @@ -122,8 +123,10 @@ struct fsl_ssi_private { bool ssi_on_imx; struct clk *clk; struct platform_device *imx_pcm_pdev; - struct imx_pcm_dma_params dma_params_tx; - struct imx_pcm_dma_params dma_params_rx; + struct snd_dmaengine_dai_dma_data dma_params_tx; + struct snd_dmaengine_dai_dma_data dma_params_rx; + struct imx_dma_data filter_data_tx; + struct imx_dma_data filter_data_rx; struct { unsigned int rfrc; @@ -653,6 +656,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) const uint32_t *iprop; struct resource res; char name[64]; + bool shared; /* SSIs that are not connected on the board should have a * status = "disabled" @@ -741,14 +745,18 @@ static int fsl_ssi_probe(struct platform_device *pdev) * We have burstsize be "fifo_depth - 2" to match the SSI * watermark setting in fsl_ssi_startup(). */ - ssi_private->dma_params_tx.burstsize = + ssi_private->dma_params_tx.maxburst = ssi_private->fifo_depth - 2; - ssi_private->dma_params_rx.burstsize = + ssi_private->dma_params_rx.maxburst = ssi_private->fifo_depth - 2; - ssi_private->dma_params_tx.dma_addr = + ssi_private->dma_params_tx.addr = ssi_private->ssi_phys + offsetof(struct ccsr_ssi, stx0); - ssi_private->dma_params_rx.dma_addr = + ssi_private->dma_params_rx.addr = ssi_private->ssi_phys + offsetof(struct ccsr_ssi, srx0); + ssi_private->dma_params_tx.filter_data = + &ssi_private->filter_data_tx; + ssi_private->dma_params_rx.filter_data = + &ssi_private->filter_data_rx; /* * TODO: This is a temporary solution and should be changed * to use generic DMA binding later when the helplers get in. @@ -759,14 +767,14 @@ static int fsl_ssi_probe(struct platform_device *pdev) dev_err(&pdev->dev, "could not get dma events\n"); goto error_clk; } - ssi_private->dma_params_tx.dma = dma_events[0]; - ssi_private->dma_params_rx.dma = dma_events[1]; - - ssi_private->dma_params_tx.shared_peripheral = - of_device_is_compatible(of_get_parent(np), - "fsl,spba-bus"); - ssi_private->dma_params_rx.shared_peripheral = - ssi_private->dma_params_tx.shared_peripheral; + + shared = of_device_is_compatible(of_get_parent(np), + "fsl,spba-bus"); + + imx_pcm_dma_params_init_data(&ssi_private->filter_data_tx, + dma_events[0], shared); + imx_pcm_dma_params_init_data(&ssi_private->filter_data_rx, + dma_events[1], shared); } /* Initialize the the device_attribute structure */ |