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Diffstat (limited to 'sound/soc/tegra/tegra20_i2s.h')
-rw-r--r--sound/soc/tegra/tegra20_i2s.h246
1 files changed, 123 insertions, 123 deletions
diff --git a/sound/soc/tegra/tegra20_i2s.h b/sound/soc/tegra/tegra20_i2s.h
index 56f1e0f87c0b..86ab327dbd26 100644
--- a/sound/soc/tegra/tegra20_i2s.h
+++ b/sound/soc/tegra/tegra20_i2s.h
@@ -2,7 +2,7 @@
* tegra20_i2s.h - Definitions for Tegra20 I2S driver
*
* Author: Stephen Warren <swarren@nvidia.com>
- * Copyright (C) 2010 - NVIDIA, Inc.
+ * Copyright (C) 2010,2012 - NVIDIA, Inc.
*
* Based on code copyright/by:
*
@@ -28,131 +28,131 @@
*
*/
-#ifndef __TEGRA_I2S_H__
-#define __TEGRA_I2S_H__
+#ifndef __TEGRA20_I2S_H__
+#define __TEGRA20_I2S_H__
#include "tegra_pcm.h"
-/* Register offsets from TEGRA_I2S1_BASE and TEGRA_I2S2_BASE */
-
-#define TEGRA_I2S_CTRL 0x00
-#define TEGRA_I2S_STATUS 0x04
-#define TEGRA_I2S_TIMING 0x08
-#define TEGRA_I2S_FIFO_SCR 0x0c
-#define TEGRA_I2S_PCM_CTRL 0x10
-#define TEGRA_I2S_NW_CTRL 0x14
-#define TEGRA_I2S_TDM_CTRL 0x20
-#define TEGRA_I2S_TDM_TX_RX_CTRL 0x24
-#define TEGRA_I2S_FIFO1 0x40
-#define TEGRA_I2S_FIFO2 0x80
-
-/* Fields in TEGRA_I2S_CTRL */
-
-#define TEGRA_I2S_CTRL_FIFO2_TX_ENABLE (1 << 30)
-#define TEGRA_I2S_CTRL_FIFO1_ENABLE (1 << 29)
-#define TEGRA_I2S_CTRL_FIFO2_ENABLE (1 << 28)
-#define TEGRA_I2S_CTRL_FIFO1_RX_ENABLE (1 << 27)
-#define TEGRA_I2S_CTRL_FIFO_LPBK_ENABLE (1 << 26)
-#define TEGRA_I2S_CTRL_MASTER_ENABLE (1 << 25)
-
-#define TEGRA_I2S_LRCK_LEFT_LOW 0
-#define TEGRA_I2S_LRCK_RIGHT_LOW 1
-
-#define TEGRA_I2S_CTRL_LRCK_SHIFT 24
-#define TEGRA_I2S_CTRL_LRCK_MASK (1 << TEGRA_I2S_CTRL_LRCK_SHIFT)
-#define TEGRA_I2S_CTRL_LRCK_L_LOW (TEGRA_I2S_LRCK_LEFT_LOW << TEGRA_I2S_CTRL_LRCK_SHIFT)
-#define TEGRA_I2S_CTRL_LRCK_R_LOW (TEGRA_I2S_LRCK_RIGHT_LOW << TEGRA_I2S_CTRL_LRCK_SHIFT)
-
-#define TEGRA_I2S_BIT_FORMAT_I2S 0
-#define TEGRA_I2S_BIT_FORMAT_RJM 1
-#define TEGRA_I2S_BIT_FORMAT_LJM 2
-#define TEGRA_I2S_BIT_FORMAT_DSP 3
-
-#define TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT 10
-#define TEGRA_I2S_CTRL_BIT_FORMAT_MASK (3 << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
-#define TEGRA_I2S_CTRL_BIT_FORMAT_I2S (TEGRA_I2S_BIT_FORMAT_I2S << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
-#define TEGRA_I2S_CTRL_BIT_FORMAT_RJM (TEGRA_I2S_BIT_FORMAT_RJM << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
-#define TEGRA_I2S_CTRL_BIT_FORMAT_LJM (TEGRA_I2S_BIT_FORMAT_LJM << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
-#define TEGRA_I2S_CTRL_BIT_FORMAT_DSP (TEGRA_I2S_BIT_FORMAT_DSP << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
-
-#define TEGRA_I2S_BIT_SIZE_16 0
-#define TEGRA_I2S_BIT_SIZE_20 1
-#define TEGRA_I2S_BIT_SIZE_24 2
-#define TEGRA_I2S_BIT_SIZE_32 3
-
-#define TEGRA_I2S_CTRL_BIT_SIZE_SHIFT 8
-#define TEGRA_I2S_CTRL_BIT_SIZE_MASK (3 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
-#define TEGRA_I2S_CTRL_BIT_SIZE_16 (TEGRA_I2S_BIT_SIZE_16 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
-#define TEGRA_I2S_CTRL_BIT_SIZE_20 (TEGRA_I2S_BIT_SIZE_20 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
-#define TEGRA_I2S_CTRL_BIT_SIZE_24 (TEGRA_I2S_BIT_SIZE_24 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
-#define TEGRA_I2S_CTRL_BIT_SIZE_32 (TEGRA_I2S_BIT_SIZE_32 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
-
-#define TEGRA_I2S_FIFO_16_LSB 0
-#define TEGRA_I2S_FIFO_20_LSB 1
-#define TEGRA_I2S_FIFO_24_LSB 2
-#define TEGRA_I2S_FIFO_32 3
-#define TEGRA_I2S_FIFO_PACKED 7
-
-#define TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT 4
-#define TEGRA_I2S_CTRL_FIFO_FORMAT_MASK (7 << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
-#define TEGRA_I2S_CTRL_FIFO_FORMAT_16_LSB (TEGRA_I2S_FIFO_16_LSB << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
-#define TEGRA_I2S_CTRL_FIFO_FORMAT_20_LSB (TEGRA_I2S_FIFO_20_LSB << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
-#define TEGRA_I2S_CTRL_FIFO_FORMAT_24_LSB (TEGRA_I2S_FIFO_24_LSB << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
-#define TEGRA_I2S_CTRL_FIFO_FORMAT_32 (TEGRA_I2S_FIFO_32 << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
-#define TEGRA_I2S_CTRL_FIFO_FORMAT_PACKED (TEGRA_I2S_FIFO_PACKED << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
-
-#define TEGRA_I2S_CTRL_IE_FIFO1_ERR (1 << 3)
-#define TEGRA_I2S_CTRL_IE_FIFO2_ERR (1 << 2)
-#define TEGRA_I2S_CTRL_QE_FIFO1 (1 << 1)
-#define TEGRA_I2S_CTRL_QE_FIFO2 (1 << 0)
-
-/* Fields in TEGRA_I2S_STATUS */
-
-#define TEGRA_I2S_STATUS_FIFO1_RDY (1 << 31)
-#define TEGRA_I2S_STATUS_FIFO2_RDY (1 << 30)
-#define TEGRA_I2S_STATUS_FIFO1_BSY (1 << 29)
-#define TEGRA_I2S_STATUS_FIFO2_BSY (1 << 28)
-#define TEGRA_I2S_STATUS_FIFO1_ERR (1 << 3)
-#define TEGRA_I2S_STATUS_FIFO2_ERR (1 << 2)
-#define TEGRA_I2S_STATUS_QS_FIFO1 (1 << 1)
-#define TEGRA_I2S_STATUS_QS_FIFO2 (1 << 0)
-
-/* Fields in TEGRA_I2S_TIMING */
-
-#define TEGRA_I2S_TIMING_NON_SYM_ENABLE (1 << 12)
-#define TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT 0
-#define TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US 0x7fff
-#define TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_MASK (TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US << TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT)
-
-/* Fields in TEGRA_I2S_FIFO_SCR */
-
-#define TEGRA_I2S_FIFO_SCR_FIFO2_FULL_EMPTY_COUNT_SHIFT 24
-#define TEGRA_I2S_FIFO_SCR_FIFO1_FULL_EMPTY_COUNT_SHIFT 16
-#define TEGRA_I2S_FIFO_SCR_FIFO_FULL_EMPTY_COUNT_MASK 0x3f
-
-#define TEGRA_I2S_FIFO_SCR_FIFO2_CLR (1 << 12)
-#define TEGRA_I2S_FIFO_SCR_FIFO1_CLR (1 << 8)
-
-#define TEGRA_I2S_FIFO_ATN_LVL_ONE_SLOT 0
-#define TEGRA_I2S_FIFO_ATN_LVL_FOUR_SLOTS 1
-#define TEGRA_I2S_FIFO_ATN_LVL_EIGHT_SLOTS 2
-#define TEGRA_I2S_FIFO_ATN_LVL_TWELVE_SLOTS 3
-
-#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT 4
-#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_MASK (3 << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
-#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_ONE_SLOT (TEGRA_I2S_FIFO_ATN_LVL_ONE_SLOT << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
-#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_FOUR_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
-#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_EIGHT_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_EIGHT_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
-#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_TWELVE_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_TWELVE_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
-
-#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT 0
-#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_MASK (3 << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
-#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_ONE_SLOT (TEGRA_I2S_FIFO_ATN_LVL_ONE_SLOT << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
-#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_FOUR_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
-#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_EIGHT_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_EIGHT_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
-#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_TWELVE_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_TWELVE_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
-
-struct tegra_i2s {
+/* Register offsets from TEGRA20_I2S1_BASE and TEGRA20_I2S2_BASE */
+
+#define TEGRA20_I2S_CTRL 0x00
+#define TEGRA20_I2S_STATUS 0x04
+#define TEGRA20_I2S_TIMING 0x08
+#define TEGRA20_I2S_FIFO_SCR 0x0c
+#define TEGRA20_I2S_PCM_CTRL 0x10
+#define TEGRA20_I2S_NW_CTRL 0x14
+#define TEGRA20_I2S_TDM_CTRL 0x20
+#define TEGRA20_I2S_TDM_TX_RX_CTRL 0x24
+#define TEGRA20_I2S_FIFO1 0x40
+#define TEGRA20_I2S_FIFO2 0x80
+
+/* Fields in TEGRA20_I2S_CTRL */
+
+#define TEGRA20_I2S_CTRL_FIFO2_TX_ENABLE (1 << 30)
+#define TEGRA20_I2S_CTRL_FIFO1_ENABLE (1 << 29)
+#define TEGRA20_I2S_CTRL_FIFO2_ENABLE (1 << 28)
+#define TEGRA20_I2S_CTRL_FIFO1_RX_ENABLE (1 << 27)
+#define TEGRA20_I2S_CTRL_FIFO_LPBK_ENABLE (1 << 26)
+#define TEGRA20_I2S_CTRL_MASTER_ENABLE (1 << 25)
+
+#define TEGRA20_I2S_LRCK_LEFT_LOW 0
+#define TEGRA20_I2S_LRCK_RIGHT_LOW 1
+
+#define TEGRA20_I2S_CTRL_LRCK_SHIFT 24
+#define TEGRA20_I2S_CTRL_LRCK_MASK (1 << TEGRA20_I2S_CTRL_LRCK_SHIFT)
+#define TEGRA20_I2S_CTRL_LRCK_L_LOW (TEGRA20_I2S_LRCK_LEFT_LOW << TEGRA20_I2S_CTRL_LRCK_SHIFT)
+#define TEGRA20_I2S_CTRL_LRCK_R_LOW (TEGRA20_I2S_LRCK_RIGHT_LOW << TEGRA20_I2S_CTRL_LRCK_SHIFT)
+
+#define TEGRA20_I2S_BIT_FORMAT_I2S 0
+#define TEGRA20_I2S_BIT_FORMAT_RJM 1
+#define TEGRA20_I2S_BIT_FORMAT_LJM 2
+#define TEGRA20_I2S_BIT_FORMAT_DSP 3
+
+#define TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT 10
+#define TEGRA20_I2S_CTRL_BIT_FORMAT_MASK (3 << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT)
+#define TEGRA20_I2S_CTRL_BIT_FORMAT_I2S (TEGRA20_I2S_BIT_FORMAT_I2S << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT)
+#define TEGRA20_I2S_CTRL_BIT_FORMAT_RJM (TEGRA20_I2S_BIT_FORMAT_RJM << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT)
+#define TEGRA20_I2S_CTRL_BIT_FORMAT_LJM (TEGRA20_I2S_BIT_FORMAT_LJM << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT)
+#define TEGRA20_I2S_CTRL_BIT_FORMAT_DSP (TEGRA20_I2S_BIT_FORMAT_DSP << TEGRA20_I2S_CTRL_BIT_FORMAT_SHIFT)
+
+#define TEGRA20_I2S_BIT_SIZE_16 0
+#define TEGRA20_I2S_BIT_SIZE_20 1
+#define TEGRA20_I2S_BIT_SIZE_24 2
+#define TEGRA20_I2S_BIT_SIZE_32 3
+
+#define TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT 8
+#define TEGRA20_I2S_CTRL_BIT_SIZE_MASK (3 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT)
+#define TEGRA20_I2S_CTRL_BIT_SIZE_16 (TEGRA20_I2S_BIT_SIZE_16 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT)
+#define TEGRA20_I2S_CTRL_BIT_SIZE_20 (TEGRA20_I2S_BIT_SIZE_20 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT)
+#define TEGRA20_I2S_CTRL_BIT_SIZE_24 (TEGRA20_I2S_BIT_SIZE_24 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT)
+#define TEGRA20_I2S_CTRL_BIT_SIZE_32 (TEGRA20_I2S_BIT_SIZE_32 << TEGRA20_I2S_CTRL_BIT_SIZE_SHIFT)
+
+#define TEGRA20_I2S_FIFO_16_LSB 0
+#define TEGRA20_I2S_FIFO_20_LSB 1
+#define TEGRA20_I2S_FIFO_24_LSB 2
+#define TEGRA20_I2S_FIFO_32 3
+#define TEGRA20_I2S_FIFO_PACKED 7
+
+#define TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT 4
+#define TEGRA20_I2S_CTRL_FIFO_FORMAT_MASK (7 << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA20_I2S_CTRL_FIFO_FORMAT_16_LSB (TEGRA20_I2S_FIFO_16_LSB << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA20_I2S_CTRL_FIFO_FORMAT_20_LSB (TEGRA20_I2S_FIFO_20_LSB << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA20_I2S_CTRL_FIFO_FORMAT_24_LSB (TEGRA20_I2S_FIFO_24_LSB << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA20_I2S_CTRL_FIFO_FORMAT_32 (TEGRA20_I2S_FIFO_32 << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA20_I2S_CTRL_FIFO_FORMAT_PACKED (TEGRA20_I2S_FIFO_PACKED << TEGRA20_I2S_CTRL_FIFO_FORMAT_SHIFT)
+
+#define TEGRA20_I2S_CTRL_IE_FIFO1_ERR (1 << 3)
+#define TEGRA20_I2S_CTRL_IE_FIFO2_ERR (1 << 2)
+#define TEGRA20_I2S_CTRL_QE_FIFO1 (1 << 1)
+#define TEGRA20_I2S_CTRL_QE_FIFO2 (1 << 0)
+
+/* Fields in TEGRA20_I2S_STATUS */
+
+#define TEGRA20_I2S_STATUS_FIFO1_RDY (1 << 31)
+#define TEGRA20_I2S_STATUS_FIFO2_RDY (1 << 30)
+#define TEGRA20_I2S_STATUS_FIFO1_BSY (1 << 29)
+#define TEGRA20_I2S_STATUS_FIFO2_BSY (1 << 28)
+#define TEGRA20_I2S_STATUS_FIFO1_ERR (1 << 3)
+#define TEGRA20_I2S_STATUS_FIFO2_ERR (1 << 2)
+#define TEGRA20_I2S_STATUS_QS_FIFO1 (1 << 1)
+#define TEGRA20_I2S_STATUS_QS_FIFO2 (1 << 0)
+
+/* Fields in TEGRA20_I2S_TIMING */
+
+#define TEGRA20_I2S_TIMING_NON_SYM_ENABLE (1 << 12)
+#define TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT 0
+#define TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US 0x7fff
+#define TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_MASK (TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US << TEGRA20_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT)
+
+/* Fields in TEGRA20_I2S_FIFO_SCR */
+
+#define TEGRA20_I2S_FIFO_SCR_FIFO2_FULL_EMPTY_COUNT_SHIFT 24
+#define TEGRA20_I2S_FIFO_SCR_FIFO1_FULL_EMPTY_COUNT_SHIFT 16
+#define TEGRA20_I2S_FIFO_SCR_FIFO_FULL_EMPTY_COUNT_MASK 0x3f
+
+#define TEGRA20_I2S_FIFO_SCR_FIFO2_CLR (1 << 12)
+#define TEGRA20_I2S_FIFO_SCR_FIFO1_CLR (1 << 8)
+
+#define TEGRA20_I2S_FIFO_ATN_LVL_ONE_SLOT 0
+#define TEGRA20_I2S_FIFO_ATN_LVL_FOUR_SLOTS 1
+#define TEGRA20_I2S_FIFO_ATN_LVL_EIGHT_SLOTS 2
+#define TEGRA20_I2S_FIFO_ATN_LVL_TWELVE_SLOTS 3
+
+#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT 4
+#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_MASK (3 << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_ONE_SLOT (TEGRA20_I2S_FIFO_ATN_LVL_ONE_SLOT << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_FOUR_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_EIGHT_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_EIGHT_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+#define TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_TWELVE_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_TWELVE_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+
+#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT 0
+#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_MASK (3 << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_ONE_SLOT (TEGRA20_I2S_FIFO_ATN_LVL_ONE_SLOT << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_FOUR_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_EIGHT_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_EIGHT_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+#define TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_TWELVE_SLOTS (TEGRA20_I2S_FIFO_ATN_LVL_TWELVE_SLOTS << TEGRA20_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+
+struct tegra20_i2s {
struct snd_soc_dai_driver dai;
struct clk *clk_i2s;
struct tegra_pcm_dma_params capture_dma_data;