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Diffstat (limited to 'sound/soc/samsung/i2s.c')
-rw-r--r--sound/soc/samsung/i2s.c193
1 files changed, 141 insertions, 52 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 959c702235c8..b302f3b7a587 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -40,6 +40,7 @@ enum samsung_dai_type {
struct samsung_i2s_dai_data {
int dai_type;
+ u32 quirks;
};
struct i2s_dai {
@@ -198,7 +199,13 @@ static inline bool is_manager(struct i2s_dai *i2s)
/* Read RCLK of I2S (in multiples of LRCLK) */
static inline unsigned get_rfs(struct i2s_dai *i2s)
{
- u32 rfs = (readl(i2s->addr + I2SMOD) >> 3) & 0x3;
+ u32 rfs;
+
+ if (i2s->quirks & QUIRK_SUPPORTS_TDM)
+ rfs = readl(i2s->addr + I2SMOD) >> EXYNOS5420_MOD_RCLK_SHIFT;
+ else
+ rfs = (readl(i2s->addr + I2SMOD) >> MOD_RCLK_SHIFT);
+ rfs &= MOD_RCLK_MASK;
switch (rfs) {
case 3: return 768;
@@ -212,21 +219,26 @@ static inline unsigned get_rfs(struct i2s_dai *i2s)
static inline void set_rfs(struct i2s_dai *i2s, unsigned rfs)
{
u32 mod = readl(i2s->addr + I2SMOD);
+ int rfs_shift;
- mod &= ~MOD_RCLK_MASK;
+ if (i2s->quirks & QUIRK_SUPPORTS_TDM)
+ rfs_shift = EXYNOS5420_MOD_RCLK_SHIFT;
+ else
+ rfs_shift = MOD_RCLK_SHIFT;
+ mod &= ~(MOD_RCLK_MASK << rfs_shift);
switch (rfs) {
case 768:
- mod |= MOD_RCLK_768FS;
+ mod |= (MOD_RCLK_768FS << rfs_shift);
break;
case 512:
- mod |= MOD_RCLK_512FS;
+ mod |= (MOD_RCLK_512FS << rfs_shift);
break;
case 384:
- mod |= MOD_RCLK_384FS;
+ mod |= (MOD_RCLK_384FS << rfs_shift);
break;
default:
- mod |= MOD_RCLK_256FS;
+ mod |= (MOD_RCLK_256FS << rfs_shift);
break;
}
@@ -236,9 +248,22 @@ static inline void set_rfs(struct i2s_dai *i2s, unsigned rfs)
/* Read Bit-Clock of I2S (in multiples of LRCLK) */
static inline unsigned get_bfs(struct i2s_dai *i2s)
{
- u32 bfs = (readl(i2s->addr + I2SMOD) >> 1) & 0x3;
+ u32 bfs;
+
+ if (i2s->quirks & QUIRK_SUPPORTS_TDM) {
+ bfs = readl(i2s->addr + I2SMOD) >> EXYNOS5420_MOD_BCLK_SHIFT;
+ bfs &= EXYNOS5420_MOD_BCLK_MASK;
+ } else {
+ bfs = readl(i2s->addr + I2SMOD) >> MOD_BCLK_SHIFT;
+ bfs &= MOD_BCLK_MASK;
+ }
switch (bfs) {
+ case 8: return 256;
+ case 7: return 192;
+ case 6: return 128;
+ case 5: return 96;
+ case 4: return 64;
case 3: return 24;
case 2: return 16;
case 1: return 48;
@@ -250,21 +275,50 @@ static inline unsigned get_bfs(struct i2s_dai *i2s)
static inline void set_bfs(struct i2s_dai *i2s, unsigned bfs)
{
u32 mod = readl(i2s->addr + I2SMOD);
+ int bfs_shift;
+ int tdm = i2s->quirks & QUIRK_SUPPORTS_TDM;
- mod &= ~MOD_BCLK_MASK;
+ if (i2s->quirks & QUIRK_SUPPORTS_TDM) {
+ bfs_shift = EXYNOS5420_MOD_BCLK_SHIFT;
+ mod &= ~(EXYNOS5420_MOD_BCLK_MASK << bfs_shift);
+ } else {
+ bfs_shift = MOD_BCLK_SHIFT;
+ mod &= ~(MOD_BCLK_MASK << bfs_shift);
+ }
+
+ /* Non-TDM I2S controllers do not support BCLK > 48 * FS */
+ if (!tdm && bfs > 48) {
+ dev_err(&i2s->pdev->dev, "Unsupported BCLK divider\n");
+ return;
+ }
switch (bfs) {
case 48:
- mod |= MOD_BCLK_48FS;
+ mod |= (MOD_BCLK_48FS << bfs_shift);
break;
case 32:
- mod |= MOD_BCLK_32FS;
+ mod |= (MOD_BCLK_32FS << bfs_shift);
break;
case 24:
- mod |= MOD_BCLK_24FS;
+ mod |= (MOD_BCLK_24FS << bfs_shift);
break;
case 16:
- mod |= MOD_BCLK_16FS;
+ mod |= (MOD_BCLK_16FS << bfs_shift);
+ break;
+ case 64:
+ mod |= (EXYNOS5420_MOD_BCLK_64FS << bfs_shift);
+ break;
+ case 96:
+ mod |= (EXYNOS5420_MOD_BCLK_96FS << bfs_shift);
+ break;
+ case 128:
+ mod |= (EXYNOS5420_MOD_BCLK_128FS << bfs_shift);
+ break;
+ case 192:
+ mod |= (EXYNOS5420_MOD_BCLK_192FS << bfs_shift);
+ break;
+ case 256:
+ mod |= (EXYNOS5420_MOD_BCLK_256FS << bfs_shift);
break;
default:
dev_err(&i2s->pdev->dev, "Wrong BCLK Divider!\n");
@@ -491,20 +545,32 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
{
struct i2s_dai *i2s = to_info(dai);
u32 mod = readl(i2s->addr + I2SMOD);
+ int lrp_shift, sdf_shift, sdf_mask, lrp_rlow;
u32 tmp = 0;
+ if (i2s->quirks & QUIRK_SUPPORTS_TDM) {
+ lrp_shift = EXYNOS5420_MOD_LRP_SHIFT;
+ sdf_shift = EXYNOS5420_MOD_SDF_SHIFT;
+ } else {
+ lrp_shift = MOD_LRP_SHIFT;
+ sdf_shift = MOD_SDF_SHIFT;
+ }
+
+ sdf_mask = MOD_SDF_MASK << sdf_shift;
+ lrp_rlow = MOD_LR_RLOW << lrp_shift;
+
/* Format is priority */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_RIGHT_J:
- tmp |= MOD_LR_RLOW;
- tmp |= MOD_SDF_MSB;
+ tmp |= lrp_rlow;
+ tmp |= (MOD_SDF_MSB << sdf_shift);
break;
case SND_SOC_DAIFMT_LEFT_J:
- tmp |= MOD_LR_RLOW;
- tmp |= MOD_SDF_LSB;
+ tmp |= lrp_rlow;
+ tmp |= (MOD_SDF_LSB << sdf_shift);
break;
case SND_SOC_DAIFMT_I2S:
- tmp |= MOD_SDF_IIS;
+ tmp |= (MOD_SDF_IIS << sdf_shift);
break;
default:
dev_err(&i2s->pdev->dev, "Format not supported\n");
@@ -519,10 +585,10 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_NB_IF:
- if (tmp & MOD_LR_RLOW)
- tmp &= ~MOD_LR_RLOW;
+ if (tmp & lrp_rlow)
+ tmp &= ~lrp_rlow;
else
- tmp |= MOD_LR_RLOW;
+ tmp |= lrp_rlow;
break;
default:
dev_err(&i2s->pdev->dev, "Polarity not supported\n");
@@ -544,15 +610,18 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
return -EINVAL;
}
+ /*
+ * Don't change the I2S mode if any controller is active on this
+ * channel.
+ */
if (any_active(i2s) &&
- ((mod & (MOD_SDF_MASK | MOD_LR_RLOW
- | MOD_SLAVE)) != tmp)) {
+ ((mod & (sdf_mask | lrp_rlow | MOD_SLAVE)) != tmp)) {
dev_err(&i2s->pdev->dev,
"%s:%d Other DAI busy\n", __func__, __LINE__);
return -EAGAIN;
}
- mod &= ~(MOD_SDF_MASK | MOD_LR_RLOW | MOD_SLAVE);
+ mod &= ~(sdf_mask | lrp_rlow | MOD_SLAVE);
mod |= tmp;
writel(mod, i2s->addr + I2SMOD);
@@ -1007,6 +1076,8 @@ static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
if (IS_ERR(i2s->pdev))
return NULL;
+ i2s->pdev->dev.parent = &pdev->dev;
+
platform_set_drvdata(i2s->pdev, i2s);
ret = platform_device_add(i2s->pdev);
if (ret < 0)
@@ -1018,18 +1089,18 @@ static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
static const struct of_device_id exynos_i2s_match[];
-static inline int samsung_i2s_get_driver_data(struct platform_device *pdev)
+static inline const struct samsung_i2s_dai_data *samsung_i2s_get_driver_data(
+ struct platform_device *pdev)
{
#ifdef CONFIG_OF
- struct samsung_i2s_dai_data *data;
if (pdev->dev.of_node) {
const struct of_device_id *match;
match = of_match_node(exynos_i2s_match, pdev->dev.of_node);
- data = (struct samsung_i2s_dai_data *) match->data;
- return data->dai_type;
+ return match->data;
} else
#endif
- return platform_get_device_id(pdev)->driver_data;
+ return (struct samsung_i2s_dai_data *)
+ platform_get_device_id(pdev)->driver_data;
}
#ifdef CONFIG_PM_RUNTIME
@@ -1060,13 +1131,13 @@ static int samsung_i2s_probe(struct platform_device *pdev)
struct resource *res;
u32 regs_base, quirks = 0, idma_addr = 0;
struct device_node *np = pdev->dev.of_node;
- enum samsung_dai_type samsung_dai_type;
+ const struct samsung_i2s_dai_data *i2s_dai_data;
int ret = 0;
/* Call during Seconday interface registration */
- samsung_dai_type = samsung_i2s_get_driver_data(pdev);
+ i2s_dai_data = samsung_i2s_get_driver_data(pdev);
- if (samsung_dai_type == TYPE_SEC) {
+ if (i2s_dai_data->dai_type == TYPE_SEC) {
sec_dai = dev_get_drvdata(&pdev->dev);
if (!sec_dai) {
dev_err(&pdev->dev, "Unable to get drvdata\n");
@@ -1075,7 +1146,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
snd_soc_register_component(&sec_dai->pdev->dev,
&samsung_i2s_component,
&sec_dai->i2s_dai_drv, 1);
- asoc_dma_platform_register(&pdev->dev);
+ samsung_asoc_dma_platform_register(&pdev->dev);
return 0;
}
@@ -1115,15 +1186,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
idma_addr = i2s_cfg->idma_addr;
}
} else {
- if (of_find_property(np, "samsung,supports-6ch", NULL))
- quirks |= QUIRK_PRI_6CHAN;
-
- if (of_find_property(np, "samsung,supports-secdai", NULL))
- quirks |= QUIRK_SEC_DAI;
-
- if (of_find_property(np, "samsung,supports-rstclr", NULL))
- quirks |= QUIRK_NEED_RSTCLR;
-
+ quirks = i2s_dai_data->quirks;
if (of_property_read_u32(np, "samsung,idma-addr",
&idma_addr)) {
if (quirks & QUIRK_SEC_DAI) {
@@ -1200,7 +1263,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
- asoc_dma_platform_register(&pdev->dev);
+ samsung_asoc_dma_platform_register(&pdev->dev);
return 0;
err:
@@ -1230,33 +1293,59 @@ static int samsung_i2s_remove(struct platform_device *pdev)
i2s->pri_dai = NULL;
i2s->sec_dai = NULL;
- asoc_dma_platform_unregister(&pdev->dev);
+ samsung_asoc_dma_platform_unregister(&pdev->dev);
snd_soc_unregister_component(&pdev->dev);
return 0;
}
+static const struct samsung_i2s_dai_data i2sv3_dai_type = {
+ .dai_type = TYPE_PRI,
+ .quirks = QUIRK_NO_MUXPSR,
+};
+
+static const struct samsung_i2s_dai_data i2sv5_dai_type = {
+ .dai_type = TYPE_PRI,
+ .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR,
+};
+
+static const struct samsung_i2s_dai_data i2sv6_dai_type = {
+ .dai_type = TYPE_PRI,
+ .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR |
+ QUIRK_SUPPORTS_TDM,
+};
+
+static const struct samsung_i2s_dai_data samsung_dai_type_pri = {
+ .dai_type = TYPE_PRI,
+};
+
+static const struct samsung_i2s_dai_data samsung_dai_type_sec = {
+ .dai_type = TYPE_SEC,
+};
+
static struct platform_device_id samsung_i2s_driver_ids[] = {
{
.name = "samsung-i2s",
- .driver_data = TYPE_PRI,
+ .driver_data = (kernel_ulong_t)&samsung_dai_type_pri,
}, {
.name = "samsung-i2s-sec",
- .driver_data = TYPE_SEC,
+ .driver_data = (kernel_ulong_t)&samsung_dai_type_sec,
},
{},
};
MODULE_DEVICE_TABLE(platform, samsung_i2s_driver_ids);
#ifdef CONFIG_OF
-static struct samsung_i2s_dai_data samsung_i2s_dai_data_array[] = {
- [TYPE_PRI] = { TYPE_PRI },
- [TYPE_SEC] = { TYPE_SEC },
-};
-
static const struct of_device_id exynos_i2s_match[] = {
- { .compatible = "samsung,i2s-v5",
- .data = &samsung_i2s_dai_data_array[TYPE_PRI],
+ {
+ .compatible = "samsung,s3c6410-i2s",
+ .data = &i2sv3_dai_type,
+ }, {
+ .compatible = "samsung,s5pv210-i2s",
+ .data = &i2sv5_dai_type,
+ }, {
+ .compatible = "samsung,exynos5420-i2s",
+ .data = &i2sv6_dai_type,
},
{},
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 08:31:02 +0000