aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/tegra/tegra20_spdif.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/tegra/tegra20_spdif.c')
-rw-r--r--sound/soc/tegra/tegra20_spdif.c78
1 files changed, 38 insertions, 40 deletions
diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c
index f9b57418bd0..a0ce92400fa 100644
--- a/sound/soc/tegra/tegra20_spdif.c
+++ b/sound/soc/tegra/tegra20_spdif.c
@@ -32,29 +32,17 @@
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
+#include <sound/dmaengine_pcm.h>
#include "tegra20_spdif.h"
#define DRV_NAME "tegra20-spdif"
-static inline void tegra20_spdif_write(struct tegra20_spdif *spdif, u32 reg,
- u32 val)
-{
- regmap_write(spdif->regmap, reg, val);
-}
-
-static inline u32 tegra20_spdif_read(struct tegra20_spdif *spdif, u32 reg)
-{
- u32 val;
- regmap_read(spdif->regmap, reg, &val);
- return val;
-}
-
static int tegra20_spdif_runtime_suspend(struct device *dev)
{
struct tegra20_spdif *spdif = dev_get_drvdata(dev);
- clk_disable(spdif->clk_spdif_out);
+ clk_disable_unprepare(spdif->clk_spdif_out);
return 0;
}
@@ -64,7 +52,7 @@ static int tegra20_spdif_runtime_resume(struct device *dev)
struct tegra20_spdif *spdif = dev_get_drvdata(dev);
int ret;
- ret = clk_enable(spdif->clk_spdif_out);
+ ret = clk_prepare_enable(spdif->clk_spdif_out);
if (ret) {
dev_err(dev, "clk_enable failed: %d\n", ret);
return ret;
@@ -77,21 +65,24 @@ static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct device *dev = substream->pcm->card->dev;
+ struct device *dev = dai->dev;
struct tegra20_spdif *spdif = snd_soc_dai_get_drvdata(dai);
+ unsigned int mask = 0, val = 0;
int ret, spdifclock;
- spdif->reg_ctrl &= ~TEGRA20_SPDIF_CTRL_PACK;
- spdif->reg_ctrl &= ~TEGRA20_SPDIF_CTRL_BIT_MODE_MASK;
+ mask |= TEGRA20_SPDIF_CTRL_PACK |
+ TEGRA20_SPDIF_CTRL_BIT_MODE_MASK;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
- spdif->reg_ctrl |= TEGRA20_SPDIF_CTRL_PACK;
- spdif->reg_ctrl |= TEGRA20_SPDIF_CTRL_BIT_MODE_16BIT;
+ val |= TEGRA20_SPDIF_CTRL_PACK |
+ TEGRA20_SPDIF_CTRL_BIT_MODE_16BIT;
break;
default:
return -EINVAL;
}
+ regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_CTRL, mask, val);
+
switch (params_rate(params)) {
case 32000:
spdifclock = 4096000;
@@ -129,14 +120,15 @@ static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream,
static void tegra20_spdif_start_playback(struct tegra20_spdif *spdif)
{
- spdif->reg_ctrl |= TEGRA20_SPDIF_CTRL_TX_EN;
- tegra20_spdif_write(spdif, TEGRA20_SPDIF_CTRL, spdif->reg_ctrl);
+ regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_CTRL,
+ TEGRA20_SPDIF_CTRL_TX_EN,
+ TEGRA20_SPDIF_CTRL_TX_EN);
}
static void tegra20_spdif_stop_playback(struct tegra20_spdif *spdif)
{
- spdif->reg_ctrl &= ~TEGRA20_SPDIF_CTRL_TX_EN;
- tegra20_spdif_write(spdif, TEGRA20_SPDIF_CTRL, spdif->reg_ctrl);
+ regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_CTRL,
+ TEGRA20_SPDIF_CTRL_TX_EN, 0);
}
static int tegra20_spdif_trigger(struct snd_pcm_substream *substream, int cmd,
@@ -181,6 +173,7 @@ static struct snd_soc_dai_driver tegra20_spdif_dai = {
.name = DRV_NAME,
.probe = tegra20_spdif_probe,
.playback = {
+ .stream_name = "Playback",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
@@ -190,6 +183,10 @@ static struct snd_soc_dai_driver tegra20_spdif_dai = {
.ops = &tegra20_spdif_dai_ops,
};
+static const struct snd_soc_component_driver tegra20_spdif_component = {
+ .name = DRV_NAME,
+};
+
static bool tegra20_spdif_wr_rd_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
@@ -216,7 +213,7 @@ static bool tegra20_spdif_wr_rd_reg(struct device *dev, unsigned int reg)
return true;
default:
return false;
- };
+ }
}
static bool tegra20_spdif_volatile_reg(struct device *dev, unsigned int reg)
@@ -237,7 +234,7 @@ static bool tegra20_spdif_volatile_reg(struct device *dev, unsigned int reg)
return true;
default:
return false;
- };
+ }
}
static bool tegra20_spdif_precious_reg(struct device *dev, unsigned int reg)
@@ -250,7 +247,7 @@ static bool tegra20_spdif_precious_reg(struct device *dev, unsigned int reg)
return true;
default:
return false;
- };
+ }
}
static const struct regmap_config tegra20_spdif_regmap_config = {
@@ -262,10 +259,10 @@ static const struct regmap_config tegra20_spdif_regmap_config = {
.readable_reg = tegra20_spdif_wr_rd_reg,
.volatile_reg = tegra20_spdif_volatile_reg,
.precious_reg = tegra20_spdif_precious_reg,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_FLAT,
};
-static __devinit int tegra20_spdif_platform_probe(struct platform_device *pdev)
+static int tegra20_spdif_platform_probe(struct platform_device *pdev)
{
struct tegra20_spdif *spdif;
struct resource *mem, *memregion, *dmareq;
@@ -326,9 +323,9 @@ static __devinit int tegra20_spdif_platform_probe(struct platform_device *pdev)
}
spdif->playback_dma_data.addr = mem->start + TEGRA20_SPDIF_DATA_OUT;
- spdif->playback_dma_data.wrap = 4;
- spdif->playback_dma_data.width = 32;
- spdif->playback_dma_data.req_sel = dmareq->start;
+ spdif->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ spdif->playback_dma_data.maxburst = 4;
+ spdif->playback_dma_data.slave_id = dmareq->start;
pm_runtime_enable(&pdev->dev);
if (!pm_runtime_enabled(&pdev->dev)) {
@@ -337,7 +334,8 @@ static __devinit int tegra20_spdif_platform_probe(struct platform_device *pdev)
goto err_pm_disable;
}
- ret = snd_soc_register_dai(&pdev->dev, &tegra20_spdif_dai);
+ ret = snd_soc_register_component(&pdev->dev, &tegra20_spdif_component,
+ &tegra20_spdif_dai, 1);
if (ret) {
dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
ret = -ENOMEM;
@@ -347,13 +345,13 @@ static __devinit int tegra20_spdif_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_spdif_runtime_suspend(&pdev->dev);
@@ -365,7 +363,7 @@ err:
return ret;
}
-static int __devexit tegra20_spdif_platform_remove(struct platform_device *pdev)
+static int tegra20_spdif_platform_remove(struct platform_device *pdev)
{
struct tegra20_spdif *spdif = dev_get_drvdata(&pdev->dev);
@@ -374,14 +372,14 @@ static int __devexit tegra20_spdif_platform_remove(struct platform_device *pdev)
tegra20_spdif_runtime_suspend(&pdev->dev);
tegra_pcm_platform_unregister(&pdev->dev);
- snd_soc_unregister_dai(&pdev->dev);
+ snd_soc_unregister_component(&pdev->dev);
clk_put(spdif->clk_spdif_out);
return 0;
}
-static const struct dev_pm_ops tegra20_spdif_pm_ops __devinitconst = {
+static const struct dev_pm_ops tegra20_spdif_pm_ops = {
SET_RUNTIME_PM_OPS(tegra20_spdif_runtime_suspend,
tegra20_spdif_runtime_resume, NULL)
};
@@ -393,7 +391,7 @@ static struct platform_driver tegra20_spdif_driver = {
.pm = &tegra20_spdif_pm_ops,
},
.probe = tegra20_spdif_platform_probe,
- .remove = __devexit_p(tegra20_spdif_platform_remove),
+ .remove = tegra20_spdif_platform_remove,
};
module_platform_driver(tegra20_spdif_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 13:40:19 +0000