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Diffstat (limited to 'sound/soc/samsung/i2s.c')
-rw-r--r--sound/soc/samsung/i2s.c249
1 files changed, 176 insertions, 73 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 9d513473b300..b1a7c5bce4a1 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -36,9 +36,24 @@ enum samsung_dai_type {
TYPE_SEC,
};
+struct samsung_i2s_variant_regs {
+ unsigned int bfs_off;
+ unsigned int rfs_off;
+ unsigned int sdf_off;
+ unsigned int txr_off;
+ unsigned int rclksrc_off;
+ unsigned int mss_off;
+ unsigned int cdclkcon_off;
+ unsigned int lrp_off;
+ unsigned int bfs_mask;
+ unsigned int rfs_mask;
+ unsigned int ftx0cnt_off;
+};
+
struct samsung_i2s_dai_data {
int dai_type;
u32 quirks;
+ const struct samsung_i2s_variant_regs *i2s_variant_regs;
};
struct i2s_dai {
@@ -81,6 +96,7 @@ struct i2s_dai {
u32 suspend_i2scon;
u32 suspend_i2spsr;
unsigned long gpios[7]; /* i2s gpio line numbers */
+ const struct samsung_i2s_variant_regs *variant_regs;
};
/* Lock for cross i/f checks */
@@ -95,7 +111,8 @@ static inline bool is_secondary(struct i2s_dai *i2s)
/* If operating in SoC-Slave mode */
static inline bool is_slave(struct i2s_dai *i2s)
{
- return (readl(i2s->addr + I2SMOD) & MOD_SLAVE) ? true : false;
+ u32 mod = readl(i2s->addr + I2SMOD);
+ return (mod & (1 << i2s->variant_regs->mss_off)) ? true : false;
}
/* If this interface of the controller is transmitting data */
@@ -200,14 +217,14 @@ static inline bool is_manager(struct i2s_dai *i2s)
static inline unsigned get_rfs(struct i2s_dai *i2s)
{
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;
+ rfs = readl(i2s->addr + I2SMOD) >> i2s->variant_regs->rfs_off;
+ rfs &= i2s->variant_regs->rfs_mask;
switch (rfs) {
+ case 7: return 192;
+ case 6: return 96;
+ case 5: return 128;
+ case 4: return 64;
case 3: return 768;
case 2: return 384;
case 1: return 512;
@@ -219,15 +236,23 @@ 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;
+ int rfs_shift = i2s->variant_regs->rfs_off;
- if (i2s->quirks & QUIRK_SUPPORTS_TDM)
- rfs_shift = EXYNOS5420_MOD_RCLK_SHIFT;
- else
- rfs_shift = MOD_RCLK_SHIFT;
- mod &= ~(MOD_RCLK_MASK << rfs_shift);
+ mod &= ~(i2s->variant_regs->rfs_mask << rfs_shift);
switch (rfs) {
+ case 192:
+ mod |= (EXYNOS7_MOD_RCLK_192FS << rfs_shift);
+ break;
+ case 96:
+ mod |= (EXYNOS7_MOD_RCLK_96FS << rfs_shift);
+ break;
+ case 128:
+ mod |= (EXYNOS7_MOD_RCLK_128FS << rfs_shift);
+ break;
+ case 64:
+ mod |= (EXYNOS7_MOD_RCLK_64FS << rfs_shift);
+ break;
case 768:
mod |= (MOD_RCLK_768FS << rfs_shift);
break;
@@ -249,14 +274,8 @@ static inline void set_rfs(struct i2s_dai *i2s, unsigned rfs)
static inline unsigned get_bfs(struct i2s_dai *i2s)
{
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;
- }
+ bfs = readl(i2s->addr + I2SMOD) >> i2s->variant_regs->bfs_off;
+ bfs &= i2s->variant_regs->bfs_mask;
switch (bfs) {
case 8: return 256;
@@ -275,16 +294,8 @@ 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;
-
- 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);
- }
+ int bfs_shift = i2s->variant_regs->bfs_off;
/* Non-TDM I2S controllers do not support BCLK > 48 * FS */
if (!tdm && bfs > 48) {
@@ -292,6 +303,8 @@ static inline void set_bfs(struct i2s_dai *i2s, unsigned bfs)
return;
}
+ mod &= ~(i2s->variant_regs->bfs_mask << bfs_shift);
+
switch (bfs) {
case 48:
mod |= (MOD_BCLK_48FS << bfs_shift);
@@ -346,8 +359,9 @@ static inline int get_blc(struct i2s_dai *i2s)
static void i2s_txctrl(struct i2s_dai *i2s, int on)
{
void __iomem *addr = i2s->addr;
+ int txr_off = i2s->variant_regs->txr_off;
u32 con = readl(addr + I2SCON);
- u32 mod = readl(addr + I2SMOD) & ~MOD_MASK;
+ u32 mod = readl(addr + I2SMOD) & ~(3 << txr_off);
if (on) {
con |= CON_ACTIVE;
@@ -362,9 +376,9 @@ static void i2s_txctrl(struct i2s_dai *i2s, int on)
}
if (any_rx_active(i2s))
- mod |= MOD_TXRX;
+ mod |= 2 << txr_off;
else
- mod |= MOD_TXONLY;
+ mod |= 0 << txr_off;
} else {
if (is_secondary(i2s)) {
con |= CON_TXSDMA_PAUSE;
@@ -382,7 +396,7 @@ static void i2s_txctrl(struct i2s_dai *i2s, int on)
con |= CON_TXCH_PAUSE;
if (any_rx_active(i2s))
- mod |= MOD_RXONLY;
+ mod |= 1 << txr_off;
else
con &= ~CON_ACTIVE;
}
@@ -395,23 +409,24 @@ static void i2s_txctrl(struct i2s_dai *i2s, int on)
static void i2s_rxctrl(struct i2s_dai *i2s, int on)
{
void __iomem *addr = i2s->addr;
+ int txr_off = i2s->variant_regs->txr_off;
u32 con = readl(addr + I2SCON);
- u32 mod = readl(addr + I2SMOD) & ~MOD_MASK;
+ u32 mod = readl(addr + I2SMOD) & ~(3 << txr_off);
if (on) {
con |= CON_RXDMA_ACTIVE | CON_ACTIVE;
con &= ~(CON_RXDMA_PAUSE | CON_RXCH_PAUSE);
if (any_tx_active(i2s))
- mod |= MOD_TXRX;
+ mod |= 2 << txr_off;
else
- mod |= MOD_RXONLY;
+ mod |= 1 << txr_off;
} else {
con |= CON_RXDMA_PAUSE | CON_RXCH_PAUSE;
con &= ~CON_RXDMA_ACTIVE;
if (any_tx_active(i2s))
- mod |= MOD_TXONLY;
+ mod |= 0 << txr_off;
else
con &= ~CON_ACTIVE;
}
@@ -451,6 +466,9 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
struct i2s_dai *i2s = to_info(dai);
struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;
u32 mod = readl(i2s->addr + I2SMOD);
+ const struct samsung_i2s_variant_regs *i2s_regs = i2s->variant_regs;
+ unsigned int cdcon_mask = 1 << i2s_regs->cdclkcon_off;
+ unsigned int rsrc_mask = 1 << i2s_regs->rclksrc_off;
switch (clk_id) {
case SAMSUNG_I2S_OPCLK:
@@ -465,18 +483,18 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
if ((rfs && other && other->rfs && (other->rfs != rfs)) ||
(any_active(i2s) &&
(((dir == SND_SOC_CLOCK_IN)
- && !(mod & MOD_CDCLKCON)) ||
+ && !(mod & cdcon_mask)) ||
((dir == SND_SOC_CLOCK_OUT)
- && (mod & MOD_CDCLKCON))))) {
+ && (mod & cdcon_mask))))) {
dev_err(&i2s->pdev->dev,
"%s:%d Other DAI busy\n", __func__, __LINE__);
return -EAGAIN;
}
if (dir == SND_SOC_CLOCK_IN)
- mod |= MOD_CDCLKCON;
+ mod |= 1 << i2s_regs->cdclkcon_off;
else
- mod &= ~MOD_CDCLKCON;
+ mod &= ~(1 << i2s_regs->cdclkcon_off);
i2s->rfs = rfs;
break;
@@ -491,8 +509,8 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
if (!any_active(i2s)) {
if (i2s->op_clk && !IS_ERR(i2s->op_clk)) {
- if ((clk_id && !(mod & MOD_IMS_SYSMUX)) ||
- (!clk_id && (mod & MOD_IMS_SYSMUX))) {
+ if ((clk_id && !(mod & rsrc_mask)) ||
+ (!clk_id && (mod & rsrc_mask))) {
clk_disable_unprepare(i2s->op_clk);
clk_put(i2s->op_clk);
} else {
@@ -520,8 +538,8 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
other->op_clk = i2s->op_clk;
other->rclk_srcrate = i2s->rclk_srcrate;
}
- } else if ((!clk_id && (mod & MOD_IMS_SYSMUX))
- || (clk_id && !(mod & MOD_IMS_SYSMUX))) {
+ } else if ((!clk_id && (mod & rsrc_mask))
+ || (clk_id && !(mod & rsrc_mask))) {
dev_err(&i2s->pdev->dev,
"%s:%d Other DAI busy\n", __func__, __LINE__);
return -EAGAIN;
@@ -533,11 +551,11 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
}
if (clk_id == 0)
- mod &= ~MOD_IMS_SYSMUX;
+ mod &= ~(1 << i2s_regs->rclksrc_off);
else
- mod |= MOD_IMS_SYSMUX;
- break;
+ mod |= 1 << i2s_regs->rclksrc_off;
+ break;
default:
dev_err(&i2s->pdev->dev, "We don't serve that!\n");
return -EINVAL;
@@ -553,16 +571,12 @@ 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;
+ int lrp_shift, sdf_shift, sdf_mask, lrp_rlow, mod_slave;
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;
- }
+ lrp_shift = i2s->variant_regs->lrp_off;
+ sdf_shift = i2s->variant_regs->sdf_off;
+ mod_slave = 1 << i2s->variant_regs->mss_off;
sdf_mask = MOD_SDF_MASK << sdf_shift;
lrp_rlow = MOD_LR_RLOW << lrp_shift;
@@ -605,7 +619,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
- tmp |= MOD_SLAVE;
+ tmp |= mod_slave;
break;
case SND_SOC_DAIFMT_CBS_CFS:
/* Set default source clock in Master mode */
@@ -623,13 +637,13 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
* channel.
*/
if (any_active(i2s) &&
- ((mod & (sdf_mask | lrp_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 &= ~(sdf_mask | lrp_rlow | MOD_SLAVE);
+ mod &= ~(sdf_mask | lrp_rlow | mod_slave);
mod |= tmp;
writel(mod, i2s->addr + I2SMOD);
@@ -751,6 +765,7 @@ static void i2s_shutdown(struct snd_pcm_substream *substream,
struct i2s_dai *i2s = to_info(dai);
struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;
unsigned long flags;
+ const struct samsung_i2s_variant_regs *i2s_regs = i2s->variant_regs;
spin_lock_irqsave(&lock, flags);
@@ -761,7 +776,7 @@ static void i2s_shutdown(struct snd_pcm_substream *substream,
other->mode |= DAI_MANAGER;
} else {
u32 mod = readl(i2s->addr + I2SMOD);
- i2s->cdclk_out = !(mod & MOD_CDCLKCON);
+ i2s->cdclk_out = !(mod & (1 << i2s_regs->cdclkcon_off));
if (other)
other->cdclk_out = i2s->cdclk_out;
}
@@ -914,13 +929,14 @@ i2s_delay(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
struct i2s_dai *i2s = to_info(dai);
u32 reg = readl(i2s->addr + I2SFIC);
snd_pcm_sframes_t delay;
+ const struct samsung_i2s_variant_regs *i2s_regs = i2s->variant_regs;
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
delay = FIC_RXCOUNT(reg);
else if (is_secondary(i2s))
delay = FICS_TXCOUNT(readl(i2s->addr + I2SFICS));
else
- delay = FIC_TXCOUNT(reg);
+ delay = (reg >> i2s_regs->ftx0cnt_off) & 0x7f;
return delay;
}
@@ -956,6 +972,7 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
{
struct i2s_dai *i2s = to_info(dai);
struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;
+ int ret;
if (other && other->clk) { /* If this is probe on secondary */
samsung_asoc_init_dma_data(dai, &other->sec_dai->dma_playback,
@@ -973,9 +990,14 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
if (IS_ERR(i2s->clk)) {
dev_err(&i2s->pdev->dev, "failed to get i2s_clock\n");
iounmap(i2s->addr);
- return -ENOENT;
+ return PTR_ERR(i2s->clk);
+ }
+
+ ret = clk_prepare_enable(i2s->clk);
+ if (ret != 0) {
+ dev_err(&i2s->pdev->dev, "failed to enable clock: %d\n", ret);
+ return ret;
}
- clk_prepare_enable(i2s->clk);
samsung_asoc_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture);
@@ -987,7 +1009,7 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
if (i2s->quirks & QUIRK_NEED_RSTCLR)
writel(CON_RSTCLR, i2s->addr + I2SCON);
- if (i2s->quirks & QUIRK_SEC_DAI)
+ if (i2s->quirks & QUIRK_SUPPORTS_IDMA)
idma_reg_addr_init(i2s->addr,
i2s->sec_dai->idma_playback.dma_addr);
@@ -1113,7 +1135,7 @@ static inline const struct samsung_i2s_dai_data *samsung_i2s_get_driver_data(
platform_get_device_id(pdev)->driver_data;
}
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
static int i2s_runtime_suspend(struct device *dev)
{
struct i2s_dai *i2s = dev_get_drvdata(dev);
@@ -1131,7 +1153,7 @@ static int i2s_runtime_resume(struct device *dev)
return 0;
}
-#endif /* CONFIG_PM_RUNTIME */
+#endif /* CONFIG_PM */
static int samsung_i2s_probe(struct platform_device *pdev)
{
@@ -1199,10 +1221,9 @@ static int samsung_i2s_probe(struct platform_device *pdev)
quirks = i2s_dai_data->quirks;
if (of_property_read_u32(np, "samsung,idma-addr",
&idma_addr)) {
- if (quirks & QUIRK_SEC_DAI) {
- dev_err(&pdev->dev, "idma address is not"\
+ if (quirks & QUIRK_SUPPORTS_IDMA) {
+ dev_info(&pdev->dev, "idma address is not"\
"specified");
- return -EINVAL;
}
}
}
@@ -1228,6 +1249,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
pri_dai->dma_capture.dma_size = 4;
pri_dai->base = regs_base;
pri_dai->quirks = quirks;
+ pri_dai->variant_regs = i2s_dai_data->i2s_variant_regs;
if (quirks & QUIRK_PRI_6CHAN)
pri_dai->i2s_dai_drv.playback.channels_max = 6;
@@ -1302,20 +1324,93 @@ static int samsung_i2s_remove(struct platform_device *pdev)
return 0;
}
+static const struct samsung_i2s_variant_regs i2sv3_regs = {
+ .bfs_off = 1,
+ .rfs_off = 3,
+ .sdf_off = 5,
+ .txr_off = 8,
+ .rclksrc_off = 10,
+ .mss_off = 11,
+ .cdclkcon_off = 12,
+ .lrp_off = 7,
+ .bfs_mask = 0x3,
+ .rfs_mask = 0x3,
+ .ftx0cnt_off = 8,
+};
+
+static const struct samsung_i2s_variant_regs i2sv6_regs = {
+ .bfs_off = 0,
+ .rfs_off = 4,
+ .sdf_off = 6,
+ .txr_off = 8,
+ .rclksrc_off = 10,
+ .mss_off = 11,
+ .cdclkcon_off = 12,
+ .lrp_off = 15,
+ .bfs_mask = 0xf,
+ .rfs_mask = 0x3,
+ .ftx0cnt_off = 8,
+};
+
+static const struct samsung_i2s_variant_regs i2sv7_regs = {
+ .bfs_off = 0,
+ .rfs_off = 4,
+ .sdf_off = 7,
+ .txr_off = 9,
+ .rclksrc_off = 11,
+ .mss_off = 12,
+ .cdclkcon_off = 22,
+ .lrp_off = 15,
+ .bfs_mask = 0xf,
+ .rfs_mask = 0x7,
+ .ftx0cnt_off = 0,
+};
+
+static const struct samsung_i2s_variant_regs i2sv5_i2s1_regs = {
+ .bfs_off = 0,
+ .rfs_off = 3,
+ .sdf_off = 6,
+ .txr_off = 8,
+ .rclksrc_off = 10,
+ .mss_off = 11,
+ .cdclkcon_off = 12,
+ .lrp_off = 15,
+ .bfs_mask = 0x7,
+ .rfs_mask = 0x7,
+ .ftx0cnt_off = 8,
+};
+
static const struct samsung_i2s_dai_data i2sv3_dai_type = {
.dai_type = TYPE_PRI,
.quirks = QUIRK_NO_MUXPSR,
+ .i2s_variant_regs = &i2sv3_regs,
};
static const struct samsung_i2s_dai_data i2sv5_dai_type = {
.dai_type = TYPE_PRI,
- .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR,
+ .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR |
+ QUIRK_SUPPORTS_IDMA,
+ .i2s_variant_regs = &i2sv3_regs,
};
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 | QUIRK_SUPPORTS_IDMA,
+ .i2s_variant_regs = &i2sv6_regs,
+};
+
+static const struct samsung_i2s_dai_data i2sv7_dai_type = {
+ .dai_type = TYPE_PRI,
+ .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR |
QUIRK_SUPPORTS_TDM,
+ .i2s_variant_regs = &i2sv7_regs,
+};
+
+static const struct samsung_i2s_dai_data i2sv5_dai_type_i2s1 = {
+ .dai_type = TYPE_PRI,
+ .quirks = QUIRK_PRI_6CHAN | QUIRK_NEED_RSTCLR,
+ .i2s_variant_regs = &i2sv5_i2s1_regs,
};
static const struct samsung_i2s_dai_data samsung_dai_type_pri = {
@@ -1329,10 +1424,13 @@ static const struct samsung_i2s_dai_data samsung_dai_type_sec = {
static struct platform_device_id samsung_i2s_driver_ids[] = {
{
.name = "samsung-i2s",
- .driver_data = (kernel_ulong_t)&samsung_dai_type_pri,
+ .driver_data = (kernel_ulong_t)&i2sv3_dai_type,
}, {
.name = "samsung-i2s-sec",
.driver_data = (kernel_ulong_t)&samsung_dai_type_sec,
+ }, {
+ .name = "samsung-i2sv4",
+ .driver_data = (kernel_ulong_t)&i2sv5_dai_type,
},
{},
};
@@ -1349,6 +1447,12 @@ static const struct of_device_id exynos_i2s_match[] = {
}, {
.compatible = "samsung,exynos5420-i2s",
.data = &i2sv6_dai_type,
+ }, {
+ .compatible = "samsung,exynos7-i2s",
+ .data = &i2sv7_dai_type,
+ }, {
+ .compatible = "samsung,exynos7-i2s1",
+ .data = &i2sv5_dai_type_i2s1,
},
{},
};
@@ -1366,7 +1470,6 @@ static struct platform_driver samsung_i2s_driver = {
.id_table = samsung_i2s_driver_ids,
.driver = {
.name = "samsung-i2s",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(exynos_i2s_match),
.pm = &samsung_i2s_pm,
},
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 20:32:18 +0100