1 files changed, 174 insertions, 71 deletions

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 9d513473b300..95340ba415c7 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);
 
@@ -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,
 	},