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path: root/sound/soc/tegra/tegra20_i2s.c
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Diffstat (limited to 'sound/soc/tegra/tegra20_i2s.c')
-rw-r--r--sound/soc/tegra/tegra20_i2s.c58
1 files changed, 23 insertions, 35 deletions
diff --git a/sound/soc/tegra/tegra20_i2s.c b/sound/soc/tegra/tegra20_i2s.c
index caa772de5a1..79a9932ffe6 100644
--- a/sound/soc/tegra/tegra20_i2s.c
+++ b/sound/soc/tegra/tegra20_i2s.c
@@ -41,6 +41,7 @@
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
+#include <sound/dmaengine_pcm.h>
#include "tegra20_i2s.h"
@@ -73,7 +74,7 @@ static int tegra20_i2s_set_fmt(struct snd_soc_dai *dai,
unsigned int fmt)
{
struct tegra20_i2s *i2s = snd_soc_dai_get_drvdata(dai);
- unsigned int mask, val;
+ unsigned int mask = 0, val = 0;
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
@@ -82,10 +83,10 @@ static int tegra20_i2s_set_fmt(struct snd_soc_dai *dai,
return -EINVAL;
}
- mask = TEGRA20_I2S_CTRL_MASTER_ENABLE;
+ mask |= TEGRA20_I2S_CTRL_MASTER_ENABLE;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
- val = TEGRA20_I2S_CTRL_MASTER_ENABLE;
+ val |= TEGRA20_I2S_CTRL_MASTER_ENABLE;
break;
case SND_SOC_DAIFMT_CBM_CFM:
break;
@@ -276,6 +277,10 @@ static const struct snd_soc_dai_driver tegra20_i2s_dai_template = {
.symmetric_rates = 1,
};
+static const struct snd_soc_component_driver tegra20_i2s_component = {
+ .name = DRV_NAME,
+};
+
static bool tegra20_i2s_wr_rd_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
@@ -292,7 +297,7 @@ static bool tegra20_i2s_wr_rd_reg(struct device *dev, unsigned int reg)
return true;
default:
return false;
- };
+ }
}
static bool tegra20_i2s_volatile_reg(struct device *dev, unsigned int reg)
@@ -305,7 +310,7 @@ static bool tegra20_i2s_volatile_reg(struct device *dev, unsigned int reg)
return true;
default:
return false;
- };
+ }
}
static bool tegra20_i2s_precious_reg(struct device *dev, unsigned int reg)
@@ -316,7 +321,7 @@ static bool tegra20_i2s_precious_reg(struct device *dev, unsigned int reg)
return true;
default:
return false;
- };
+ }
}
static const struct regmap_config tegra20_i2s_regmap_config = {
@@ -328,15 +333,13 @@ static const struct regmap_config tegra20_i2s_regmap_config = {
.readable_reg = tegra20_i2s_wr_rd_reg,
.volatile_reg = tegra20_i2s_volatile_reg,
.precious_reg = tegra20_i2s_precious_reg,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_FLAT,
};
static int tegra20_i2s_platform_probe(struct platform_device *pdev)
{
struct tegra20_i2s *i2s;
- struct resource *mem, *memregion, *dmareq;
- u32 of_dma[2];
- u32 dma_ch;
+ struct resource *mem, *memregion;
void __iomem *regs;
int ret;
@@ -365,20 +368,6 @@ static int tegra20_i2s_platform_probe(struct platform_device *pdev)
goto err_clk_put;
}
- dmareq = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!dmareq) {
- if (of_property_read_u32_array(pdev->dev.of_node,
- "nvidia,dma-request-selector",
- of_dma, 2) < 0) {
- dev_err(&pdev->dev, "No DMA resource\n");
- ret = -ENODEV;
- goto err_clk_put;
- }
- dma_ch = of_dma[1];
- } else {
- dma_ch = dmareq->start;
- }
-
memregion = devm_request_mem_region(&pdev->dev, mem->start,
resource_size(mem), DRV_NAME);
if (!memregion) {
@@ -403,14 +392,12 @@ static int tegra20_i2s_platform_probe(struct platform_device *pdev)
}
i2s->capture_dma_data.addr = mem->start + TEGRA20_I2S_FIFO2;
- i2s->capture_dma_data.wrap = 4;
- i2s->capture_dma_data.width = 32;
- i2s->capture_dma_data.req_sel = dma_ch;
+ i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ i2s->capture_dma_data.maxburst = 4;
i2s->playback_dma_data.addr = mem->start + TEGRA20_I2S_FIFO1;
- i2s->playback_dma_data.wrap = 4;
- i2s->playback_dma_data.width = 32;
- i2s->playback_dma_data.req_sel = dma_ch;
+ i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ i2s->playback_dma_data.maxburst = 4;
pm_runtime_enable(&pdev->dev);
if (!pm_runtime_enabled(&pdev->dev)) {
@@ -419,7 +406,8 @@ static int tegra20_i2s_platform_probe(struct platform_device *pdev)
goto err_pm_disable;
}
- ret = snd_soc_register_dai(&pdev->dev, &i2s->dai);
+ ret = snd_soc_register_component(&pdev->dev, &tegra20_i2s_component,
+ &i2s->dai, 1);
if (ret) {
dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
ret = -ENOMEM;
@@ -429,13 +417,13 @@ static int tegra20_i2s_platform_probe(struct platform_device *pdev)
ret = tegra_pcm_platform_register(&pdev->dev);
if (ret) {
dev_err(&pdev->dev, "Could not register PCM: %d\n", ret);
- goto err_unregister_dai;
+ goto err_unregister_component;
}
return 0;
-err_unregister_dai:
- snd_soc_unregister_dai(&pdev->dev);
+err_unregister_component:
+ snd_soc_unregister_component(&pdev->dev);
err_suspend:
if (!pm_runtime_status_suspended(&pdev->dev))
tegra20_i2s_runtime_suspend(&pdev->dev);
@@ -456,7 +444,7 @@ static int tegra20_i2s_platform_remove(struct platform_device *pdev)
tegra20_i2s_runtime_suspend(&pdev->dev);
tegra_pcm_platform_unregister(&pdev->dev);
- snd_soc_unregister_dai(&pdev->dev);
+ snd_soc_unregister_component(&pdev->dev);
clk_put(i2s->clk_i2s);