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ASoC: ux500: Move DMA parameters into ux500_msp

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Move struct ux500_msp_dma_params declaration from ux500_msp_i2s_drvdata
to ux500_msp, this saves some confusing pointer passing and allows to
access all DMA configuration fields from ux500_msp_i2s.

Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Fabio Baltieri 2013-06-12 09:57:57 +02:00 committed by Mark Brown
parent a130243b96
commit f3fe53dd97
4 changed files with 17 additions and 20 deletions
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11
sound/soc/ux500/ux500_msp_dai.c
View File

@ -658,14 +658,11 @@ static int ux500_msp_dai_probe(struct snd_soc_dai *dai)
{
struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev);
drvdata->playback_dma_data.dma_cfg = drvdata->msp->dma_cfg_tx;
drvdata->capture_dma_data.dma_cfg = drvdata->msp->dma_cfg_rx;
dai->playback_dma_data = &drvdata->msp->playback_dma_data;
dai->capture_dma_data = &drvdata->msp->capture_dma_data;
dai->playback_dma_data = &drvdata->playback_dma_data;
dai->capture_dma_data = &drvdata->capture_dma_data;
drvdata->playback_dma_data.data_size = drvdata->slot_width;
drvdata->capture_dma_data.data_size = drvdata->slot_width;
drvdata->msp->playback_dma_data.data_size = drvdata->slot_width;
drvdata->msp->capture_dma_data.data_size = drvdata->slot_width;
return 0;
}

2
sound/soc/ux500/ux500_msp_dai.h
View File

@ -51,8 +51,6 @@ enum ux500_msp_clock_id {
struct ux500_msp_i2s_drvdata {
struct ux500_msp *msp;
struct regulator *reg_vape;
struct ux500_msp_dma_params playback_dma_data;
struct ux500_msp_dma_params capture_dma_data;
unsigned int fmt;
unsigned int tx_mask;
unsigned int rx_mask;

10
sound/soc/ux500/ux500_msp_i2s.c
View File

@ -367,12 +367,14 @@ static int enable_msp(struct ux500_msp *msp, struct ux500_msp_config *config)
}
/* Make sure the correct DMA-directions are configured */
if ((config->direction & MSP_DIR_RX) && (!msp->dma_cfg_rx)) {
if ((config->direction & MSP_DIR_RX) &&
!msp->capture_dma_data.dma_cfg) {
dev_err(msp->dev, "%s: ERROR: MSP RX-mode is not configured!",
__func__);
return -EINVAL;
}
if ((config->direction == MSP_DIR_TX) && (!msp->dma_cfg_tx)) {
if ((config->direction == MSP_DIR_TX) &&
!msp->playback_dma_data.dma_cfg) {
dev_err(msp->dev, "%s: ERROR: MSP TX-mode is not configured!",
__func__);
return -EINVAL;
@ -673,8 +675,8 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
msp->id = platform_data->id;
msp->dev = &pdev->dev;
msp->dma_cfg_rx = platform_data->msp_i2s_dma_rx;
msp->dma_cfg_tx = platform_data->msp_i2s_dma_tx;
msp->playback_dma_data.dma_cfg = platform_data->msp_i2s_dma_tx;
msp->capture_dma_data.dma_cfg = platform_data->msp_i2s_dma_rx;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {

14
sound/soc/ux500/ux500_msp_i2s.h
View File

@ -468,12 +468,17 @@ struct ux500_msp_config {
unsigned int iodelay;
};
struct ux500_msp_dma_params {
unsigned int data_size;
struct stedma40_chan_cfg *dma_cfg;
};
struct ux500_msp {
enum msp_i2s_id id;
void __iomem *registers;
struct device *dev;
struct stedma40_chan_cfg *dma_cfg_rx;
struct stedma40_chan_cfg *dma_cfg_tx;
struct ux500_msp_dma_params playback_dma_data;
struct ux500_msp_dma_params capture_dma_data;
enum msp_state msp_state;
int def_elem_len;
unsigned int dir_busy;
@ -481,11 +486,6 @@ struct ux500_msp {
unsigned int f_bitclk;
};
struct ux500_msp_dma_params {
unsigned int data_size;
struct stedma40_chan_cfg *dma_cfg;
};
struct msp_i2s_platform_data;
int ux500_msp_i2s_init_msp(struct platform_device *pdev,
struct ux500_msp **msp_p,