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ASoC: imx-pcm-fiq: Introduce pcm-fiq-params

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Cleaner parameter passing for imx-pcm-fiq. Create a seperated fiq-params
struct to pass all arguments.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Markus Pargmann 2013-06-20 15:20:21 +02:00 committed by Mark Brown
parent c364796a47
commit 9051cba110
4 changed files with 30 additions and 11 deletions
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18
sound/soc/fsl/imx-pcm-fiq.c
View File

@ -22,6 +22,7 @@
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/dmaengine_pcm.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@ -32,6 +33,7 @@
#include <linux/platform_data/asoc-imx-ssi.h>
#include "imx-ssi.h"
#include "imx-pcm.h"
struct imx_pcm_runtime_data {
unsigned int period;
@ -366,9 +368,9 @@ static struct snd_soc_platform_driver imx_soc_platform_fiq = {
.pcm_free = imx_pcm_fiq_free,
};
int imx_pcm_fiq_init(struct platform_device *pdev)
int imx_pcm_fiq_init(struct platform_device *pdev,
struct imx_pcm_fiq_params *params)
{
struct imx_ssi *ssi = platform_get_drvdata(pdev);
int ret;
ret = claim_fiq(&fh);
@ -377,15 +379,15 @@ int imx_pcm_fiq_init(struct platform_device *pdev)
return ret;
}
mxc_set_irq_fiq(ssi->irq, 1);
ssi_irq = ssi->irq;
mxc_set_irq_fiq(params->irq, 1);
ssi_irq = params->irq;
imx_pcm_fiq = ssi->irq;
imx_pcm_fiq = params->irq;
imx_ssi_fiq_base = (unsigned long)ssi->base;
imx_ssi_fiq_base = (unsigned long)params->base;
ssi->dma_params_tx.maxburst = 4;
ssi->dma_params_rx.maxburst = 6;
params->dma_params_tx->maxburst = 4;
params->dma_params_rx->maxburst = 6;
ret = snd_soc_register_platform(&pdev->dev, &imx_soc_platform_fiq);
if (ret)

15
sound/soc/fsl/imx-pcm.h
View File

@ -32,6 +32,15 @@ imx_pcm_dma_params_init_data(struct imx_dma_data *dma_data,
dma_data->peripheral_type = IMX_DMATYPE_SSI;
}
struct imx_pcm_fiq_params {
int irq;
void __iomem *base;
/* Pointer to original ssi driver to setup tx rx sizes */
struct snd_dmaengine_dai_dma_data *dma_params_rx;
struct snd_dmaengine_dai_dma_data *dma_params_tx;
};
#ifdef CONFIG_SND_SOC_IMX_PCM_DMA
int imx_pcm_dma_init(struct platform_device *pdev);
void imx_pcm_dma_exit(struct platform_device *pdev);
@ -47,10 +56,12 @@ static inline void imx_pcm_dma_exit(struct platform_device *pdev)
#endif
#ifdef CONFIG_SND_SOC_IMX_PCM_FIQ
int imx_pcm_fiq_init(struct platform_device *pdev);
int imx_pcm_fiq_init(struct platform_device *pdev,
struct imx_pcm_fiq_params *params);
void imx_pcm_fiq_exit(struct platform_device *pdev);
#else
static inline int imx_pcm_fiq_init(struct platform_device *pdev)
static inline int imx_pcm_fiq_init(struct platform_device *pdev,
struct imx_pcm_fiq_params *params)
{
return -ENODEV;
}

7
sound/soc/fsl/imx-ssi.c
View File

@ -595,7 +595,12 @@ static int imx_ssi_probe(struct platform_device *pdev)
goto failed_register;
}
ret = imx_pcm_fiq_init(pdev);
ssi->fiq_params.irq = ssi->irq;
ssi->fiq_params.base = ssi->base;
ssi->fiq_params.dma_params_rx = &ssi->dma_params_rx;
ssi->fiq_params.dma_params_tx = &ssi->dma_params_tx;
ret = imx_pcm_fiq_init(pdev, &ssi->fiq_params);
if (ret)
goto failed_pcm_fiq;

1
sound/soc/fsl/imx-ssi.h
View File

@ -209,6 +209,7 @@ struct imx_ssi {
struct snd_dmaengine_dai_dma_data dma_params_tx;
struct imx_dma_data filter_data_tx;
struct imx_dma_data filter_data_rx;
struct imx_pcm_fiq_params fiq_params;
int enabled;
};