ASoC: tegra: complete Tegra->Tegra20 renaming

Rename Tegra20-specific Kconfig variables, module filenames, all internal
symbol names, clocks, and platform devices, to reflect the fact the DAS
and I2S drivers are for a specific HW version.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

10 files changed, 640 insertions, 640 deletions

diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig
index d51945e7801..556cac29ea1 100644
--- a/sound/soc/tegra/Kconfig
+++ b/sound/soc/tegra/Kconfig
@@ -4,29 +4,29 @@ config SND_SOC_TEGRA
 	help
 	  Say Y or M here if you want support for SoC audio on Tegra.
 
-config SND_SOC_TEGRA_DAS
+config SND_SOC_TEGRA20_DAS
 	tristate
 	depends on SND_SOC_TEGRA && ARCH_TEGRA_2x_SOC
 	help
-	  Say Y or M if you want to add support for the Tegra DAS module.
+	  Say Y or M if you want to add support for the Tegra20 DAS module.
 	  You will also need to select the individual machine drivers to
 	  support below.
 
-config SND_SOC_TEGRA_I2S
+config SND_SOC_TEGRA20_I2S
 	tristate
 	depends on SND_SOC_TEGRA && ARCH_TEGRA_2x_SOC
-	select SND_SOC_TEGRA_DAS
+	select SND_SOC_TEGRA20_DAS
 	help
 	  Say Y or M if you want to add support for codecs attached to the
-	  Tegra I2S interface. You will also need to select the individual
+	  Tegra20 I2S interface. You will also need to select the individual
 	  machine drivers to support below.
 
-config SND_SOC_TEGRA_SPDIF
+config SND_SOC_TEGRA20_SPDIF
 	tristate
 	depends on SND_SOC_TEGRA && ARCH_TEGRA_2x_SOC
 	default m
 	help
-	  Say Y or M if you want to add support for the SPDIF interface.
+	  Say Y or M if you want to add support for the Tegra20 SPDIF interface.
 	  You will also need to select the individual machine drivers to support
 	  below.
 
@@ -41,7 +41,7 @@ config SND_SOC_TEGRA_WM8903
 	tristate "SoC Audio support for Tegra boards using a WM8903 codec"
 	depends on SND_SOC_TEGRA && I2C
 	depends on MACH_HAS_SND_SOC_TEGRA_WM8903
-	select SND_SOC_TEGRA_I2S if ARCH_TEGRA_2x_SOC
+	select SND_SOC_TEGRA20_I2S if ARCH_TEGRA_2x_SOC
 	select SND_SOC_WM8903
 	help
 	  Say Y or M here if you want to add support for SoC audio on Tegra
@@ -51,7 +51,7 @@ config SND_SOC_TEGRA_WM8903
 config SND_SOC_TEGRA_TRIMSLICE
 	tristate "SoC Audio support for TrimSlice board"
 	depends on SND_SOC_TEGRA && MACH_TRIMSLICE && I2C
-	select SND_SOC_TEGRA_I2S if ARCH_TEGRA_2x_SOC
+	select SND_SOC_TEGRA20_I2S if ARCH_TEGRA_2x_SOC
 	select SND_SOC_TLV320AIC23
 	help
 	  Say Y or M here if you want to add support for SoC audio on the
@@ -60,7 +60,7 @@ config SND_SOC_TEGRA_TRIMSLICE
 config SND_SOC_TEGRA_ALC5632
 	tristate "SoC Audio support for Tegra boards using an ALC5632 codec"
 	depends on SND_SOC_TEGRA && I2C
-	select SND_SOC_TEGRA_I2S if ARCH_TEGRA_2x_SOC
+	select SND_SOC_TEGRA20_I2S if ARCH_TEGRA_2x_SOC
 	select SND_SOC_ALC5632
 	help
 	  Say Y or M here if you want to add support for SoC audio on the
diff --git a/sound/soc/tegra/Makefile b/sound/soc/tegra/Makefile
index 4a33884115f..4726b909664 100644
--- a/sound/soc/tegra/Makefile
+++ b/sound/soc/tegra/Makefile
@@ -7,9 +7,9 @@ snd-soc-tegra20-spdif-objs := tegra20_spdif.o
 
 obj-$(CONFIG_SND_SOC_TEGRA) += snd-soc-tegra-pcm.o
 obj-$(CONFIG_SND_SOC_TEGRA) += snd-soc-tegra-utils.o
-obj-$(CONFIG_SND_SOC_TEGRA_DAS) += snd-soc-tegra20-das.o
-obj-$(CONFIG_SND_SOC_TEGRA_I2S) += snd-soc-tegra20-i2s.o
-obj-$(CONFIG_SND_SOC_TEGRA_SPDIF) += snd-soc-tegra20-spdif.o
+obj-$(CONFIG_SND_SOC_TEGRA20_DAS) += snd-soc-tegra20-das.o
+obj-$(CONFIG_SND_SOC_TEGRA20_I2S) += snd-soc-tegra20-i2s.o
+obj-$(CONFIG_SND_SOC_TEGRA20_SPDIF) += snd-soc-tegra20-spdif.o
 
 # Tegra machine Support
 snd-soc-tegra-wm8903-objs := tegra_wm8903.o
diff --git a/sound/soc/tegra/tegra20_das.c b/sound/soc/tegra/tegra20_das.c
index b5e369820cb..486d7b245cf 100644
--- a/sound/soc/tegra/tegra20_das.c
+++ b/sound/soc/tegra/tegra20_das.c
@@ -31,21 +31,21 @@
 #include <sound/soc.h>
 #include "tegra20_das.h"
 
-#define DRV_NAME "tegra-das"
+#define DRV_NAME "tegra20-das"
 
-static struct tegra_das *das;
+static struct tegra20_das *das;
 
-static inline void tegra_das_write(u32 reg, u32 val)
+static inline void tegra20_das_write(u32 reg, u32 val)
 {
 	__raw_writel(val, das->regs + reg);
 }
 
-static inline u32 tegra_das_read(u32 reg)
+static inline u32 tegra20_das_read(u32 reg)
 {
 	return __raw_readl(das->regs + reg);
 }
 
-int tegra_das_connect_dap_to_dac(int dap, int dac)
+int tegra20_das_connect_dap_to_dac(int dap, int dac)
 {
 	u32 addr;
 	u32 reg;
@@ -53,18 +53,18 @@ int tegra_das_connect_dap_to_dac(int dap, int dac)
 	if (!das)
 		return -ENODEV;
 
-	addr = TEGRA_DAS_DAP_CTRL_SEL +
-		(dap * TEGRA_DAS_DAP_CTRL_SEL_STRIDE);
-	reg = dac << TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P;
+	addr = TEGRA20_DAS_DAP_CTRL_SEL +
+		(dap * TEGRA20_DAS_DAP_CTRL_SEL_STRIDE);
+	reg = dac << TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P;
 
-	tegra_das_write(addr, reg);
+	tegra20_das_write(addr, reg);
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(tegra_das_connect_dap_to_dac);
+EXPORT_SYMBOL_GPL(tegra20_das_connect_dap_to_dac);
 
-int tegra_das_connect_dap_to_dap(int dap, int otherdap, int master,
-					int sdata1rx, int sdata2rx)
+int tegra20_das_connect_dap_to_dap(int dap, int otherdap, int master,
+				   int sdata1rx, int sdata2rx)
 {
 	u32 addr;
 	u32 reg;
@@ -72,20 +72,20 @@ int tegra_das_connect_dap_to_dap(int dap, int otherdap, int master,
 	if (!das)
 		return -ENODEV;
 
-	addr = TEGRA_DAS_DAP_CTRL_SEL +
-		(dap * TEGRA_DAS_DAP_CTRL_SEL_STRIDE);
-	reg = otherdap << TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P |
-		!!sdata2rx << TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_P |
-		!!sdata1rx << TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_P |
-		!!master << TEGRA_DAS_DAP_CTRL_SEL_DAP_MS_SEL_P;
+	addr = TEGRA20_DAS_DAP_CTRL_SEL +
+		(dap * TEGRA20_DAS_DAP_CTRL_SEL_STRIDE);
+	reg = otherdap << TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P |
+		!!sdata2rx << TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_P |
+		!!sdata1rx << TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_P |
+		!!master << TEGRA20_DAS_DAP_CTRL_SEL_DAP_MS_SEL_P;
 
-	tegra_das_write(addr, reg);
+	tegra20_das_write(addr, reg);
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(tegra_das_connect_dap_to_dap);
+EXPORT_SYMBOL_GPL(tegra20_das_connect_dap_to_dap);
 
-int tegra_das_connect_dac_to_dap(int dac, int dap)
+int tegra20_das_connect_dac_to_dap(int dac, int dap)
 {
 	u32 addr;
 	u32 reg;
@@ -93,78 +93,78 @@ int tegra_das_connect_dac_to_dap(int dac, int dap)
 	if (!das)
 		return -ENODEV;
 
-	addr = TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL +
-		(dac * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE);
-	reg = dap << TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_P |
-		dap << TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_P |
-		dap << TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_P;
+	addr = TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL +
+		(dac * TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE);
+	reg = dap << TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_P |
+		dap << TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_P |
+		dap << TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_P;
 
-	tegra_das_write(addr, reg);
+	tegra20_das_write(addr, reg);
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(tegra_das_connect_dac_to_dap);
+EXPORT_SYMBOL_GPL(tegra20_das_connect_dac_to_dap);
 
 #ifdef CONFIG_DEBUG_FS
-static int tegra_das_show(struct seq_file *s, void *unused)
+static int tegra20_das_show(struct seq_file *s, void *unused)
 {
 	int i;
 	u32 addr;
 	u32 reg;
 
-	for (i = 0; i < TEGRA_DAS_DAP_CTRL_SEL_COUNT; i++) {
-		addr = TEGRA_DAS_DAP_CTRL_SEL +
-			(i * TEGRA_DAS_DAP_CTRL_SEL_STRIDE);
-		reg = tegra_das_read(addr);
-		seq_printf(s, "TEGRA_DAS_DAP_CTRL_SEL[%d] = %08x\n", i, reg);
+	for (i = 0; i < TEGRA20_DAS_DAP_CTRL_SEL_COUNT; i++) {
+		addr = TEGRA20_DAS_DAP_CTRL_SEL +
+			(i * TEGRA20_DAS_DAP_CTRL_SEL_STRIDE);
+		reg = tegra20_das_read(addr);
+		seq_printf(s, "TEGRA20_DAS_DAP_CTRL_SEL[%d] = %08x\n", i, reg);
 	}
 
-	for (i = 0; i < TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_COUNT; i++) {
-		addr = TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL +
-			(i * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE);
-		reg = tegra_das_read(addr);
-		seq_printf(s, "TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL[%d] = %08x\n",
-				 i, reg);
+	for (i = 0; i < TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_COUNT; i++) {
+		addr = TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL +
+			(i * TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE);
+		reg = tegra20_das_read(addr);
+		seq_printf(s, "TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL[%d] = %08x\n",
+			   i, reg);
 	}
 
 	return 0;
 }
 
-static int tegra_das_debug_open(struct inode *inode, struct file *file)
+static int tegra20_das_debug_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, tegra_das_show, inode->i_private);
+	return single_open(file, tegra20_das_show, inode->i_private);
 }
 
-static const struct file_operations tegra_das_debug_fops = {
-	.open    = tegra_das_debug_open,
+static const struct file_operations tegra20_das_debug_fops = {
+	.open    = tegra20_das_debug_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
 	.release = single_release,
 };
 
-static void tegra_das_debug_add(struct tegra_das *das)
+static void tegra20_das_debug_add(struct tegra20_das *das)
 {
 	das->debug = debugfs_create_file(DRV_NAME, S_IRUGO,
 					 snd_soc_debugfs_root, das,
-					 &tegra_das_debug_fops);
+					 &tegra20_das_debug_fops);
 }
 
-static void tegra_das_debug_remove(struct tegra_das *das)
+static void tegra20_das_debug_remove(struct tegra20_das *das)
 {
 	if (das->debug)
 		debugfs_remove(das->debug);
 }
 #else
-static inline void tegra_das_debug_add(struct tegra_das *das)
+static inline void tegra20_das_debug_add(struct tegra20_das *das)
 {
 }
 
-static inline void tegra_das_debug_remove(struct tegra_das *das)
+static inline void tegra20_das_debug_remove(struct tegra20_das *das)
 {
 }
 #endif
 
-static int __devinit tegra_das_probe(struct platform_device *pdev)
+static int __devinit tegra20_das_probe(struct platform_device *pdev)
 {
 	struct resource *res, *region;
 	int ret = 0;
@@ -172,9 +172,9 @@ static int __devinit tegra_das_probe(struct platform_device *pdev)
 	if (das)
 		return -ENODEV;
 
-	das = devm_kzalloc(&pdev->dev, sizeof(struct tegra_das), GFP_KERNEL);
+	das = devm_kzalloc(&pdev->dev, sizeof(struct tegra20_das), GFP_KERNEL);
 	if (!das) {
-		dev_err(&pdev->dev, "Can't allocate tegra_das\n");
+		dev_err(&pdev->dev, "Can't allocate tegra20_das\n");
 		ret = -ENOMEM;
 		goto err;
 	}
@@ -202,20 +202,20 @@ static int __devinit tegra_das_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	ret = tegra_das_connect_dap_to_dac(TEGRA_DAS_DAP_ID_1,
-					   TEGRA_DAS_DAP_SEL_DAC1);
+	ret = tegra20_das_connect_dap_to_dac(TEGRA20_DAS_DAP_ID_1,
+					     TEGRA20_DAS_DAP_SEL_DAC1);
 	if (ret) {
 		dev_err(&pdev->dev, "Can't set up DAS DAP connection\n");
 		goto err;
 	}
-	ret = tegra_das_connect_dac_to_dap(TEGRA_DAS_DAC_ID_1,
-					   TEGRA_DAS_DAC_SEL_DAP1);
+	ret = tegra20_das_connect_dac_to_dap(TEGRA20_DAS_DAC_ID_1,
+					     TEGRA20_DAS_DAC_SEL_DAP1);
 	if (ret) {
 		dev_err(&pdev->dev, "Can't set up DAS DAC connection\n");
 		goto err;
 	}
 
-	tegra_das_debug_add(das);
+	tegra20_das_debug_add(das);
 
 	platform_set_drvdata(pdev, das);
 
@@ -226,36 +226,36 @@ err:
 	return ret;
 }
 
-static int __devexit tegra_das_remove(struct platform_device *pdev)
+static int __devexit tegra20_das_remove(struct platform_device *pdev)
 {
 	if (!das)
 		return -ENODEV;
 
-	tegra_das_debug_remove(das);
+	tegra20_das_debug_remove(das);
 
 	das = NULL;
 
 	return 0;
 }
 
-static const struct of_device_id tegra_das_of_match[] __devinitconst = {
+static const struct of_device_id tegra20_das_of_match[] __devinitconst = {
 	{ .compatible = "nvidia,tegra20-das", },
 	{},
 };
 
-static struct platform_driver tegra_das_driver = {
-	.probe = tegra_das_probe,
-	.remove = __devexit_p(tegra_das_remove),
+static struct platform_driver tegra20_das_driver = {
+	.probe = tegra20_das_probe,
+	.remove = __devexit_p(tegra20_das_remove),
 	.driver = {
 		.name = DRV_NAME,
 		.owner = THIS_MODULE,
-		.of_match_table = tegra_das_of_match,
+		.of_match_table = tegra20_das_of_match,
 	},
 };
-module_platform_driver(tegra_das_driver);
+module_platform_driver(tegra20_das_driver);
 
 MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
-MODULE_DESCRIPTION("Tegra DAS driver");
+MODULE_DESCRIPTION("Tegra20 DAS driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" DRV_NAME);
-MODULE_DEVICE_TABLE(of, tegra_das_of_match);
+MODULE_DEVICE_TABLE(of, tegra20_das_of_match);
diff --git a/sound/soc/tegra/tegra20_das.h b/sound/soc/tegra/tegra20_das.h
index 896bf031a80..ade4fe080c4 100644
--- a/sound/soc/tegra/tegra20_das.h
+++ b/sound/soc/tegra/tegra20_das.h
@@ -2,7 +2,7 @@
  * tegra20_das.h - Definitions for Tegra20 DAS driver
  *
  * Author: Stephen Warren <swarren@nvidia.com>
- * Copyright (C) 2010 - NVIDIA, Inc.
+ * Copyright (C) 2010,2012 - NVIDIA, Inc.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -20,70 +20,70 @@
  *
  */
 
-#ifndef __TEGRA_DAS_H__
-#define __TEGRA_DAS_H__
+#ifndef __TEGRA20_DAS_H__
+#define __TEGRA20_DAS_H__
 
-/* Register TEGRA_DAS_DAP_CTRL_SEL */
-#define TEGRA_DAS_DAP_CTRL_SEL				0x00
-#define TEGRA_DAS_DAP_CTRL_SEL_COUNT			5
-#define TEGRA_DAS_DAP_CTRL_SEL_STRIDE			4
-#define TEGRA_DAS_DAP_CTRL_SEL_DAP_MS_SEL_P		31
-#define TEGRA_DAS_DAP_CTRL_SEL_DAP_MS_SEL_S		1
-#define TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_P	30
-#define TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_S	1
-#define TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_P	29
-#define TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_S	1
-#define TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P		0
-#define TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_S		5
+/* Register TEGRA20_DAS_DAP_CTRL_SEL */
+#define TEGRA20_DAS_DAP_CTRL_SEL			0x00
+#define TEGRA20_DAS_DAP_CTRL_SEL_COUNT			5
+#define TEGRA20_DAS_DAP_CTRL_SEL_STRIDE			4
+#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_MS_SEL_P		31
+#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_MS_SEL_S		1
+#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_P	30
+#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_S	1
+#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_P	29
+#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_S	1
+#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P		0
+#define TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_S		5
 
-/* Values for field TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL */
-#define TEGRA_DAS_DAP_SEL_DAC1	0
-#define TEGRA_DAS_DAP_SEL_DAC2	1
-#define TEGRA_DAS_DAP_SEL_DAC3	2
-#define TEGRA_DAS_DAP_SEL_DAP1	16
-#define TEGRA_DAS_DAP_SEL_DAP2	17
-#define TEGRA_DAS_DAP_SEL_DAP3	18
-#define TEGRA_DAS_DAP_SEL_DAP4	19
-#define TEGRA_DAS_DAP_SEL_DAP5	20
+/* Values for field TEGRA20_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL */
+#define TEGRA20_DAS_DAP_SEL_DAC1	0
+#define TEGRA20_DAS_DAP_SEL_DAC2	1
+#define TEGRA20_DAS_DAP_SEL_DAC3	2
+#define TEGRA20_DAS_DAP_SEL_DAP1	16
+#define TEGRA20_DAS_DAP_SEL_DAP2	17
+#define TEGRA20_DAS_DAP_SEL_DAP3	18
+#define TEGRA20_DAS_DAP_SEL_DAP4	19
+#define TEGRA20_DAS_DAP_SEL_DAP5	20
 
-/* Register TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL */
-#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL			0x40
-#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_COUNT			3
-#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE			4
-#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_P	28
-#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_S	4
-#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_P	24
-#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_S	4
-#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_P		0
-#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_S		4
+/* Register TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL */
+#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL			0x40
+#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_COUNT		3
+#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE		4
+#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_P	28
+#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_S	4
+#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_P	24
+#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_S	4
+#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_P	0
+#define TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_S	4
 
 /*
  * Values for:
- * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL
- * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL
- * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL
+ * TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL
+ * TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL
+ * TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL
  */
-#define TEGRA_DAS_DAC_SEL_DAP1	0
-#define TEGRA_DAS_DAC_SEL_DAP2	1
-#define TEGRA_DAS_DAC_SEL_DAP3	2
-#define TEGRA_DAS_DAC_SEL_DAP4	3
-#define TEGRA_DAS_DAC_SEL_DAP5	4
+#define TEGRA20_DAS_DAC_SEL_DAP1	0
+#define TEGRA20_DAS_DAC_SEL_DAP2	1
+#define TEGRA20_DAS_DAC_SEL_DAP3	2
+#define TEGRA20_DAS_DAC_SEL_DAP4	3
+#define TEGRA20_DAS_DAC_SEL_DAP5	4
 
 /*
  * Names/IDs of the DACs/DAPs.
  */
 
-#define TEGRA_DAS_DAP_ID_1 0
-#define TEGRA_DAS_DAP_ID_2 1
-#define TEGRA_DAS_DAP_ID_3 2
-#define TEGRA_DAS_DAP_ID_4 3
-#define TEGRA_DAS_DAP_ID_5 4
+#define TEGRA20_DAS_DAP_ID_1 0
+#define TEGRA20_DAS_DAP_ID_2 1
+#define TEGRA20_DAS_DAP_ID_3 2
+#define TEGRA20_DAS_DAP_ID_4 3
+#define TEGRA20_DAS_DAP_ID_5 4
 
-#define TEGRA_DAS_DAC_ID_1 0
-#define TEGRA_DAS_DAC_ID_2 1
-#define TEGRA_DAS_DAC_ID_3 2
+#define TEGRA20_DAS_DAC_ID_1 0
+#define TEGRA20_DAS_DAC_ID_2 1
+#define TEGRA20_DAS_DAC_ID_3 2
 
-struct tegra_das {
+struct tegra20_das {
 	struct device *dev;
 	void __iomem *regs;
 	struct dentry *debug;
@@ -107,29 +107,29 @@ struct tegra_das {
 
 /*
  * Connect a DAP to to a DAC
- * dap_id: DAP to connect: TEGRA_DAS_DAP_ID_*
- * dac_sel: DAC to connect to: TEGRA_DAS_DAP_SEL_DAC*
+ * dap_id: DAP to connect: TEGRA20_DAS_DAP_ID_*
+ * dac_sel: DAC to connect to: TEGRA20_DAS_DAP_SEL_DAC*
  */
-extern int tegra_das_connect_dap_to_dac(int dap_id, int dac_sel);
+extern int tegra20_das_connect_dap_to_dac(int dap_id, int dac_sel);
 
 /*
  * Connect a DAP to to another DAP
- * dap_id: DAP to connect: TEGRA_DAS_DAP_ID_*
- * other_dap_sel: DAP to connect to: TEGRA_DAS_DAP_SEL_DAP*
+ * dap_id: DAP to connect: TEGRA20_DAS_DAP_ID_*
+ * other_dap_sel: DAP to connect to: TEGRA20_DAS_DAP_SEL_DAP*
  * master: Is this DAP the master (1) or slave (0)
  * sdata1rx: Is this DAP's SDATA1 pin RX (1) or TX (0)
  * sdata2rx: Is this DAP's SDATA2 pin RX (1) or TX (0)
  */
-extern int tegra_das_connect_dap_to_dap(int dap_id, int other_dap_sel,
-					int master, int sdata1rx,
-					int sdata2rx);
+extern int tegra20_das_connect_dap_to_dap(int dap_id, int other_dap_sel,
+					  int master, int sdata1rx,
+					  int sdata2rx);
 
 /*
  * Connect a DAC's input to a DAP
  * (DAC outputs are selected by the DAP)
- * dac_id: DAC ID to connect: TEGRA_DAS_DAC_ID_*
- * dap_sel: DAP to receive input from: TEGRA_DAS_DAC_SEL_DAP*
+ * dac_id: DAC ID to connect: TEGRA20_DAS_DAC_ID_*
+ * dap_sel: DAP to receive input from: TEGRA20_DAS_DAC_SEL_DAP*
  */
-extern int tegra_das_connect_dac_to_dap(int dac_id, int dap_sel);
+extern int tegra20_das_connect_dac_to_dap(int dac_id, int dap_sel);
 
 #endif
diff --git a/sound/soc/tegra/tegra20_i2s.c b/sound/soc/tegra/tegra20_i2s.c
index e24759ae291..878798c89e4 100644
--- a/sound/soc/tegra/tegra20_i2s.c
+++ b/sound/soc/tegra/tegra20_i2s.c
@@ -45,86 +45,86 @@
 
 #include "tegra20_i2s.h"
 
-#define DRV_NAME "tegra-i2s"
+#define DRV_NAME "tegra20-i2s"
 
-static inline void tegra_i2s_write(struct tegra_i2s *i2s, u32 reg, u32 val)
+static inline void tegra20_i2s_write(struct tegra20_i2s *i2s, u32 reg, u32 val)
 {
 	__raw_writel(val, i2s->regs + reg);
 }
 
-static inline u32 tegra_i2s_read(struct tegra_i2s *i2s, u32 reg)
+static inline u32 tegra20_i2s_read(struct tegra20_i2s *i2s, u32 reg)
 {
 	return __raw_readl(i2s->regs + reg);
 }
 
 #ifdef CONFIG_DEBUG_FS
-static int tegra_i2s_show(struct seq_file *s, void *unused)
+static int tegra20_i2s_show(struct seq_file *s, void *unused)
 {
 #define REG(r) { r, #r }
 	static const struct {
 		int offset;
 		const char *name;
 	} regs[] = {
-		REG(TEGRA_I2S_CTRL),
-		REG(TEGRA_I2S_STATUS),
-		REG(TEGRA_I2S_TIMING),
-		REG(TEGRA_I2S_FIFO_SCR),
-		REG(TEGRA_I2S_PCM_CTRL),
-		REG(TEGRA_I2S_NW_CTRL),
-		REG(TEGRA_I2S_TDM_CTRL),
-		REG(TEGRA_I2S_TDM_TX_RX_CTRL),
+		REG(TEGRA20_I2S_CTRL),
+		REG(TEGRA20_I2S_STATUS),
+		REG(TEGRA20_I2S_TIMING),
+		REG(TEGRA20_I2S_FIFO_SCR),
+		REG(TEGRA20_I2S_PCM_CTRL),
+		REG(TEGRA20_I2S_NW_CTRL),
+		REG(TEGRA20_I2S_TDM_CTRL),
+		REG(TEGRA20_I2S_TDM_TX_RX_CTRL),
 	};
 #undef REG
 
-	struct tegra_i2s *i2s = s->private;
+	struct tegra20_i2s *i2s = s->private;
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(regs); i++) {
-		u32 val = tegra_i2s_read(i2s, regs[i].offset);
+		u32 val = tegra20_i2s_read(i2s, regs[i].offset);
 		seq_printf(s, "%s = %08x\n", regs[i].name, val);
 	}
 
 	return 0;
 }
 
-static int tegra_i2s_debug_open(struct inode *inode, struct file *file)
+static int tegra20_i2s_debug_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, tegra_i2s_show, inode->i_private);
+	return single_open(file, tegra20_i2s_show, inode->i_private);
 }
 
-static const struct file_operations tegra_i2s_debug_fops = {
-	.open    = tegra_i2s_debug_open,
+static const struct file_operations tegra20_i2s_debug_fops = {
+	.open    = tegra20_i2s_debug_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
 	.release = single_release,
 };
 
-static void tegra_i2s_debug_add(struct tegra_i2s *i2s)
+static void tegra20_i2s_debug_add(struct tegra20_i2s *i2s)
 {
 	i2s->debug = debugfs_create_file(i2s->dai.name, S_IRUGO,
 					 snd_soc_debugfs_root, i2s,
-					 &tegra_i2s_debug_fops);
+					 &tegra20_i2s_debug_fops);
 }
 
-static void tegra_i2s_debug_remove(struct tegra_i2s *i2s)
+static void tegra20_i2s_debug_remove(struct tegra20_i2s *i2s)
 {
 	if (i2s->debug)
 		debugfs_remove(i2s->debug);
 }
 #else
-static inline void tegra_i2s_debug_add(struct tegra_i2s *i2s, int id)
+static inline void tegra20_i2s_debug_add(struct tegra20_i2s *i2s, int id)
 {
 }
 
-static inline void tegra_i2s_debug_remove(struct tegra_i2s *i2s)
+static inline void tegra20_i2s_debug_remove(struct tegra20_i2s *i2s)
 {
 }
 #endif
 
-static int tegra_i2s_set_fmt(struct snd_soc_dai *dai,
+static int tegra20_i2s_set_fmt(struct snd_soc_dai *dai,
 				unsigned int fmt)
 {
-	struct tegra_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+	struct tegra20_i2s *i2s = snd_soc_dai_get_drvdata(dai);
 
 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 	case SND_SOC_DAIFMT_NB_NF:
@@ -133,10 +133,10 @@ static int tegra_i2s_set_fmt(struct snd_soc_dai *dai,
 		return -EINVAL;
 	}
 
-	i2s->reg_ctrl &= ~TEGRA_I2S_CTRL_MASTER_ENABLE;
+	i2s->reg_ctrl &= ~TEGRA20_I2S_CTRL_MASTER_ENABLE;
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 	case SND_SOC_DAIFMT_CBS_CFS:
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_MASTER_ENABLE;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_MASTER_ENABLE;
 		break;
 	case SND_SOC_DAIFMT_CBM_CFM:
 		break;
@@ -144,28 +144,28 @@ static int tegra_i2s_set_fmt(struct snd_soc_dai *dai,
 		return -EINVAL;
 	}
 
-	i2s->reg_ctrl &= ~(TEGRA_I2S_CTRL_BIT_FORMAT_MASK |
-				TEGRA_I2S_CTRL_LRCK_MASK);
+	i2s->reg_ctrl &= ~(TEGRA20_I2S_CTRL_BIT_FORMAT_MASK |
+			   TEGRA20_I2S_CTRL_LRCK_MASK);
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 	case SND_SOC_DAIFMT_DSP_A:
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_DSP;
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_L_LOW;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_BIT_FORMAT_DSP;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_LRCK_L_LOW;
 		break;
 	case SND_SOC_DAIFMT_DSP_B:
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_DSP;
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_R_LOW;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_BIT_FORMAT_DSP;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_LRCK_R_LOW;
 		break;
 	case SND_SOC_DAIFMT_I2S:
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_I2S;
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_L_LOW;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_BIT_FORMAT_I2S;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_LRCK_L_LOW;
 		break;
 	case SND_SOC_DAIFMT_RIGHT_J:
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_RJM;
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_L_LOW;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_BIT_FORMAT_RJM;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_LRCK_L_LOW;
 		break;
 	case SND_SOC_DAIFMT_LEFT_J:
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_LJM;
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_L_LOW;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_BIT_FORMAT_LJM;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_LRCK_L_LOW;
 		break;
 	default:
 		return -EINVAL;
@@ -174,27 +174,27 @@ static int tegra_i2s_set_fmt(struct snd_soc_dai *dai,
 	return 0;
 }
 
-static int tegra_i2s_hw_params(struct snd_pcm_substream *substream,
-				struct snd_pcm_hw_params *params,
-				struct snd_soc_dai *dai)
+static int tegra20_i2s_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 tegra_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+	struct tegra20_i2s *i2s = snd_soc_dai_get_drvdata(dai);
 	u32 reg;
 	int ret, sample_size, srate, i2sclock, bitcnt;
 
-	i2s->reg_ctrl &= ~TEGRA_I2S_CTRL_BIT_SIZE_MASK;
+	i2s->reg_ctrl &= ~TEGRA20_I2S_CTRL_BIT_SIZE_MASK;
 	switch (params_format(params)) {
 	case SNDRV_PCM_FORMAT_S16_LE:
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_SIZE_16;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_BIT_SIZE_16;
 		sample_size = 16;
 		break;
 	case SNDRV_PCM_FORMAT_S24_LE:
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_SIZE_24;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_BIT_SIZE_24;
 		sample_size = 24;
 		break;
 	case SNDRV_PCM_FORMAT_S32_LE:
-		i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_SIZE_32;
+		i2s->reg_ctrl |= TEGRA20_I2S_CTRL_BIT_SIZE_32;
 		sample_size = 32;
 		break;
 	default:
@@ -213,54 +213,54 @@ static int tegra_i2s_hw_params(struct snd_pcm_substream *substream,
 	}
 
 	bitcnt = (i2sclock / (2 * srate)) - 1;
-	if (bitcnt < 0 || bitcnt > TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US)
+	if (bitcnt < 0 || bitcnt > TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US)
 		return -EINVAL;
-	reg = bitcnt << TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT;
+	reg = bitcnt << TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT;
 
 	if (i2sclock % (2 * srate))
-		reg |= TEGRA_I2S_TIMING_NON_SYM_ENABLE;
+		reg |= TEGRA20_I2S_TIMING_NON_SYM_ENABLE;
 
 	clk_enable(i2s->clk_i2s);
 
-	tegra_i2s_write(i2s, TEGRA_I2S_TIMING, reg);
+	tegra20_i2s_write(i2s, TEGRA20_I2S_TIMING, reg);
 
-	tegra_i2s_write(i2s, TEGRA_I2S_FIFO_SCR,
-		TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS |
-		TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS);
+	tegra20_i2s_write(i2s, TEGRA20_I2S_FIFO_SCR,
+		TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS |
+		TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS);
 
 	clk_disable(i2s->clk_i2s);
 
 	return 0;
 }
 
-static void tegra_i2s_start_playback(struct tegra_i2s *i2s)
+static void tegra20_i2s_start_playback(struct tegra20_i2s *i2s)
 {
-	i2s->reg_ctrl |= TEGRA_I2S_CTRL_FIFO1_ENABLE;
-	tegra_i2s_write(i2s, TEGRA_I2S_CTRL, i2s->reg_ctrl);
+	i2s->reg_ctrl |= TEGRA20_I2S_CTRL_FIFO1_ENABLE;
+	tegra20_i2s_write(i2s, TEGRA20_I2S_CTRL, i2s->reg_ctrl);
 }
 
-static void tegra_i2s_stop_playback(struct tegra_i2s *i2s)
+static void tegra20_i2s_stop_playback(struct tegra20_i2s *i2s)
 {
-	i2s->reg_ctrl &= ~TEGRA_I2S_CTRL_FIFO1_ENABLE;
-	tegra_i2s_write(i2s, TEGRA_I2S_CTRL, i2s->reg_ctrl);
+	i2s->reg_ctrl &= ~TEGRA20_I2S_CTRL_FIFO1_ENABLE;
+	tegra20_i2s_write(i2s, TEGRA20_I2S_CTRL, i2s->reg_ctrl);
 }
 
-static void tegra_i2s_start_capture(struct tegra_i2s *i2s)
+static void tegra20_i2s_start_capture(struct tegra20_i2s *i2s)
 {
-	i2s->reg_ctrl |= TEGRA_I2S_CTRL_FIFO2_ENABLE;
-	tegra_i2s_write(i2s, TEGRA_I2S_CTRL, i2s->reg_ctrl);
+	i2s->reg_ctrl |= TEGRA20_I2S_CTRL_FIFO2_ENABLE;
+	tegra20_i2s_write(i2s, TEGRA20_I2S_CTRL, i2s->reg_ctrl);
 }
 
-static void tegra_i2s_stop_capture(struct tegra_i2s *i2s)
+static void tegra20_i2s_stop_capture(struct tegra20_i2s *i2s)
 {
-	i2s->reg_ctrl &= ~TEGRA_I2S_CTRL_FIFO2_ENABLE;
-	tegra_i2s_write(i2s, TEGRA_I2S_CTRL, i2s->reg_ctrl);
+	i2s->reg_ctrl &= ~TEGRA20_I2S_CTRL_FIFO2_ENABLE;
+	tegra20_i2s_write(i2s, TEGRA20_I2S_CTRL, i2s->reg_ctrl);
 }
 
-static int tegra_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
-				struct snd_soc_dai *dai)
+static int tegra20_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
+			       struct snd_soc_dai *dai)
 {
-	struct tegra_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+	struct tegra20_i2s *i2s = snd_soc_dai_get_drvdata(dai);
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
@@ -268,17 +268,17 @@ static int tegra_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
 	case SNDRV_PCM_TRIGGER_RESUME:
 		clk_enable(i2s->clk_i2s);
 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			tegra_i2s_start_playback(i2s);
+			tegra20_i2s_start_playback(i2s);
 		else
-			tegra_i2s_start_capture(i2s);
+			tegra20_i2s_start_capture(i2s);
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			tegra_i2s_stop_playback(i2s);
+			tegra20_i2s_stop_playback(i2s);
 		else
-			tegra_i2s_stop_capture(i2s);
+			tegra20_i2s_stop_capture(i2s);
 		clk_disable(i2s->clk_i2s);
 		break;
 	default:
@@ -288,9 +288,9 @@ static int tegra_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
 	return 0;
 }
 
-static int tegra_i2s_probe(struct snd_soc_dai *dai)
+static int tegra20_i2s_probe(struct snd_soc_dai *dai)
 {
-	struct tegra_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+	struct tegra20_i2s *i2s = snd_soc_dai_get_drvdata(dai);
 
 	dai->capture_dma_data = &i2s->capture_dma_data;
 	dai->playback_dma_data = &i2s->playback_dma_data;
@@ -298,14 +298,14 @@ static int tegra_i2s_probe(struct snd_soc_dai *dai)
 	return 0;
 }
 
-static const struct snd_soc_dai_ops tegra_i2s_dai_ops = {
-	.set_fmt	= tegra_i2s_set_fmt,
-	.hw_params	= tegra_i2s_hw_params,
-	.trigger	= tegra_i2s_trigger,
+static const struct snd_soc_dai_ops tegra20_i2s_dai_ops = {
+	.set_fmt	= tegra20_i2s_set_fmt,
+	.hw_params	= tegra20_i2s_hw_params,
+	.trigger	= tegra20_i2s_trigger,
 };
 
-static const struct snd_soc_dai_driver tegra_i2s_dai_template = {
-	.probe = tegra_i2s_probe,
+static const struct snd_soc_dai_driver tegra20_i2s_dai_template = {
+	.probe = tegra20_i2s_probe,
 	.playback = {
 		.channels_min = 2,
 		.channels_max = 2,
@@ -318,27 +318,27 @@ static const struct snd_soc_dai_driver tegra_i2s_dai_template = {
 		.rates = SNDRV_PCM_RATE_8000_96000,
 		.formats = SNDRV_PCM_FMTBIT_S16_LE,
 	},
-	.ops = &tegra_i2s_dai_ops,
+	.ops = &tegra20_i2s_dai_ops,
 	.symmetric_rates = 1,
 };
 
-static __devinit int tegra_i2s_platform_probe(struct platform_device *pdev)
+static __devinit int tegra20_i2s_platform_probe(struct platform_device *pdev)
 {
-	struct tegra_i2s *i2s;
+	struct tegra20_i2s *i2s;
 	struct resource *mem, *memregion, *dmareq;
 	u32 of_dma[2];
 	u32 dma_ch;
 	int ret;
 
-	i2s = devm_kzalloc(&pdev->dev, sizeof(struct tegra_i2s), GFP_KERNEL);
+	i2s = devm_kzalloc(&pdev->dev, sizeof(struct tegra20_i2s), GFP_KERNEL);
 	if (!i2s) {
-		dev_err(&pdev->dev, "Can't allocate tegra_i2s\n");
+		dev_err(&pdev->dev, "Can't allocate tegra20_i2s\n");
 		ret = -ENOMEM;
 		goto err;
 	}
 	dev_set_drvdata(&pdev->dev, i2s);
 
-	i2s->dai = tegra_i2s_dai_template;
+	i2s->dai = tegra20_i2s_dai_template;
 	i2s->dai.name = dev_name(&pdev->dev);
 
 	i2s->clk_i2s = clk_get(&pdev->dev, NULL);
@@ -384,17 +384,17 @@ static __devinit int tegra_i2s_platform_probe(struct platform_device *pdev)
 		goto err_clk_put;
 	}
 
-	i2s->capture_dma_data.addr = mem->start + TEGRA_I2S_FIFO2;
+	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->playback_dma_data.addr = mem->start + TEGRA_I2S_FIFO1;
+	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->reg_ctrl = TEGRA_I2S_CTRL_FIFO_FORMAT_PACKED;
+	i2s->reg_ctrl = TEGRA20_I2S_CTRL_FIFO_FORMAT_PACKED;
 
 	ret = snd_soc_register_dai(&pdev->dev, &i2s->dai);
 	if (ret) {
@@ -409,7 +409,7 @@ static __devinit int tegra_i2s_platform_probe(struct platform_device *pdev)
 		goto err_unregister_dai;
 	}
 
-	tegra_i2s_debug_add(i2s);
+	tegra20_i2s_debug_add(i2s);
 
 	return 0;
 
@@ -421,38 +421,38 @@ err:
 	return ret;
 }
 
-static int __devexit tegra_i2s_platform_remove(struct platform_device *pdev)
+static int __devexit tegra20_i2s_platform_remove(struct platform_device *pdev)
 {
-	struct tegra_i2s *i2s = dev_get_drvdata(&pdev->dev);
+	struct tegra20_i2s *i2s = dev_ge