484 lines
22 KiB
C
484 lines
22 KiB
C
/*
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* tegra30_ahub.h - Definitions for Tegra30 AHUB driver
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*
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* Copyright (c) 2011,2012, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TEGRA30_AHUB_H__
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#define __TEGRA30_AHUB_H__
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/* Fields in *_CIF_RX/TX_CTRL; used by AHUB FIFOs, and all other audio modules */
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#define TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT 28
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#define TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US 0xf
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#define TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK (TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US << TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT)
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/* Channel count minus 1 */
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT 24
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US 7
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK (TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US << TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT)
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/* Channel count minus 1 */
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT 16
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK_US 7
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK (TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK_US << TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT)
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#define TEGRA30_AUDIOCIF_BITS_4 0
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#define TEGRA30_AUDIOCIF_BITS_8 1
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#define TEGRA30_AUDIOCIF_BITS_12 2
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#define TEGRA30_AUDIOCIF_BITS_16 3
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#define TEGRA30_AUDIOCIF_BITS_20 4
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#define TEGRA30_AUDIOCIF_BITS_24 5
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#define TEGRA30_AUDIOCIF_BITS_28 6
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#define TEGRA30_AUDIOCIF_BITS_32 7
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT 12
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_MASK (7 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_4 (TEGRA30_AUDIOCIF_BITS_4 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_8 (TEGRA30_AUDIOCIF_BITS_8 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_12 (TEGRA30_AUDIOCIF_BITS_12 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_16 (TEGRA30_AUDIOCIF_BITS_16 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_20 (TEGRA30_AUDIOCIF_BITS_20 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_24 (TEGRA30_AUDIOCIF_BITS_24 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_28 (TEGRA30_AUDIOCIF_BITS_28 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_32 (TEGRA30_AUDIOCIF_BITS_32 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT 8
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_MASK (7 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_4 (TEGRA30_AUDIOCIF_BITS_4 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_8 (TEGRA30_AUDIOCIF_BITS_8 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_12 (TEGRA30_AUDIOCIF_BITS_12 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_16 (TEGRA30_AUDIOCIF_BITS_16 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_20 (TEGRA30_AUDIOCIF_BITS_20 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_24 (TEGRA30_AUDIOCIF_BITS_24 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_28 (TEGRA30_AUDIOCIF_BITS_28 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_32 (TEGRA30_AUDIOCIF_BITS_32 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT)
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#define TEGRA30_AUDIOCIF_EXPAND_ZERO 0
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#define TEGRA30_AUDIOCIF_EXPAND_ONE 1
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#define TEGRA30_AUDIOCIF_EXPAND_LFSR 2
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#define TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT 6
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#define TEGRA30_AUDIOCIF_CTRL_EXPAND_MASK (3 << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_EXPAND_ZERO (TEGRA30_AUDIOCIF_EXPAND_ZERO << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_EXPAND_ONE (TEGRA30_AUDIOCIF_EXPAND_ONE << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_EXPAND_LFSR (TEGRA30_AUDIOCIF_EXPAND_LFSR << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT)
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#define TEGRA30_AUDIOCIF_STEREO_CONV_CH0 0
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#define TEGRA30_AUDIOCIF_STEREO_CONV_CH1 1
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#define TEGRA30_AUDIOCIF_STEREO_CONV_AVG 2
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#define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT 4
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#define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_MASK (3 << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_CH0 (TEGRA30_AUDIOCIF_STEREO_CONV_CH0 << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_CH1 (TEGRA30_AUDIOCIF_STEREO_CONV_CH1 << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_AVG (TEGRA30_AUDIOCIF_STEREO_CONV_AVG << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_REPLICATE 3
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#define TEGRA30_AUDIOCIF_DIRECTION_TX 0
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#define TEGRA30_AUDIOCIF_DIRECTION_RX 1
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#define TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT 2
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#define TEGRA30_AUDIOCIF_CTRL_DIRECTION_MASK (1 << TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_DIRECTION_TX (TEGRA30_AUDIOCIF_DIRECTION_TX << TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_DIRECTION_RX (TEGRA30_AUDIOCIF_DIRECTION_RX << TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT)
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#define TEGRA30_AUDIOCIF_TRUNCATE_ROUND 0
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#define TEGRA30_AUDIOCIF_TRUNCATE_CHOP 1
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#define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT 1
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#define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_MASK (1 << TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_ROUND (TEGRA30_AUDIOCIF_TRUNCATE_ROUND << TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_CHOP (TEGRA30_AUDIOCIF_TRUNCATE_CHOP << TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT)
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#define TEGRA30_AUDIOCIF_MONO_CONV_ZERO 0
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#define TEGRA30_AUDIOCIF_MONO_CONV_COPY 1
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#define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT 0
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#define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_MASK (1 << TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_ZERO (TEGRA30_AUDIOCIF_MONO_CONV_ZERO << TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT)
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#define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_COPY (TEGRA30_AUDIOCIF_MONO_CONV_COPY << TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT)
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/* Registers within TEGRA30_AUDIO_CLUSTER_BASE */
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/* TEGRA30_AHUB_CHANNEL_CTRL */
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#define TEGRA30_AHUB_CHANNEL_CTRL 0x0
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#define TEGRA30_AHUB_CHANNEL_CTRL_STRIDE 0x20
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#define TEGRA30_AHUB_CHANNEL_CTRL_COUNT 4
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_EN (1 << 31)
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_EN (1 << 30)
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#define TEGRA30_AHUB_CHANNEL_CTRL_LOOPBACK (1 << 29)
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_SHIFT 16
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_MASK_US 0xff
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_MASK (TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_SHIFT)
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_SHIFT 8
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_MASK_US 0xff
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_MASK (TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_SHIFT)
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_EN (1 << 6)
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#define TEGRA30_PACK_8_4 2
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#define TEGRA30_PACK_16 3
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT 4
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_MASK_US 3
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_MASK (TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT)
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_8_4 (TEGRA30_PACK_8_4 << TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT)
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#define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_16 (TEGRA30_PACK_16 << TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT)
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_EN (1 << 2)
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT 0
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_MASK_US 3
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_MASK (TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT)
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_8_4 (TEGRA30_PACK_8_4 << TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT)
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#define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_16 (TEGRA30_PACK_16 << TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT)
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/* TEGRA30_AHUB_CHANNEL_CLEAR */
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#define TEGRA30_AHUB_CHANNEL_CLEAR 0x4
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#define TEGRA30_AHUB_CHANNEL_CLEAR_STRIDE 0x20
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#define TEGRA30_AHUB_CHANNEL_CLEAR_COUNT 4
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#define TEGRA30_AHUB_CHANNEL_CLEAR_TX_SOFT_RESET (1 << 31)
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#define TEGRA30_AHUB_CHANNEL_CLEAR_RX_SOFT_RESET (1 << 30)
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/* TEGRA30_AHUB_CHANNEL_STATUS */
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#define TEGRA30_AHUB_CHANNEL_STATUS 0x8
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#define TEGRA30_AHUB_CHANNEL_STATUS_STRIDE 0x20
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#define TEGRA30_AHUB_CHANNEL_STATUS_COUNT 4
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#define TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_SHIFT 24
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#define TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_MASK_US 0xff
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#define TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_MASK (TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_MASK_US << TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_SHIFT)
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#define TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_SHIFT 16
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#define TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_MASK_US 0xff
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#define TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_MASK (TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_MASK_US << TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_SHIFT)
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#define TEGRA30_AHUB_CHANNEL_STATUS_TX_TRIG (1 << 1)
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#define TEGRA30_AHUB_CHANNEL_STATUS_RX_TRIG (1 << 0)
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/* TEGRA30_AHUB_CHANNEL_TXFIFO */
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#define TEGRA30_AHUB_CHANNEL_TXFIFO 0xc
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#define TEGRA30_AHUB_CHANNEL_TXFIFO_STRIDE 0x20
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#define TEGRA30_AHUB_CHANNEL_TXFIFO_COUNT 4
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/* TEGRA30_AHUB_CHANNEL_RXFIFO */
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#define TEGRA30_AHUB_CHANNEL_RXFIFO 0x10
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#define TEGRA30_AHUB_CHANNEL_RXFIFO_STRIDE 0x20
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#define TEGRA30_AHUB_CHANNEL_RXFIFO_COUNT 4
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/* TEGRA30_AHUB_CIF_TX_CTRL */
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#define TEGRA30_AHUB_CIF_TX_CTRL 0x14
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#define TEGRA30_AHUB_CIF_TX_CTRL_STRIDE 0x20
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#define TEGRA30_AHUB_CIF_TX_CTRL_COUNT 4
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/* Uses field from TEGRA30_AUDIOCIF_CTRL_* */
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/* TEGRA30_AHUB_CIF_RX_CTRL */
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#define TEGRA30_AHUB_CIF_RX_CTRL 0x18
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#define TEGRA30_AHUB_CIF_RX_CTRL_STRIDE 0x20
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#define TEGRA30_AHUB_CIF_RX_CTRL_COUNT 4
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/* Uses field from TEGRA30_AUDIOCIF_CTRL_* */
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/* TEGRA30_AHUB_CONFIG_LINK_CTRL */
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL 0x80
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_MASTER_FIFO_FULL_CNT_SHIFT 28
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_MASTER_FIFO_FULL_CNT_MASK_US 0xf
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_MASTER_FIFO_FULL_CNT_MASK (TEGRA30_AHUB_CONFIG_LINK_CTRL_MASTER_FIFO_FULL_CNT_MASK_US << TEGRA30_AHUB_CONFIG_LINK_CTRL_MASTER_FIFO_FULL_CNT_SHIFT)
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_TIMEOUT_CNT_SHIFT 16
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_TIMEOUT_CNT_MASK_US 0xfff
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_TIMEOUT_CNT_MASK (TEGRA30_AHUB_CONFIG_LINK_CTRL_TIMEOUT_CNT_MASK_US << TEGRA30_AHUB_CONFIG_LINK_CTRL_TIMEOUT_CNT_SHIFT)
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_IDLE_CNT_SHIFT 4
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_IDLE_CNT_MASK_US 0xfff
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_IDLE_CNT_MASK (TEGRA30_AHUB_CONFIG_LINK_CTRL_IDLE_CNT_MASK_US << TEGRA30_AHUB_CONFIG_LINK_CTRL_IDLE_CNT_SHIFT)
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_CG_EN (1 << 2)
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_CLEAR_TIMEOUT_CNTR (1 << 1)
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#define TEGRA30_AHUB_CONFIG_LINK_CTRL_SOFT_RESET (1 << 0)
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/* TEGRA30_AHUB_MISC_CTRL */
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#define TEGRA30_AHUB_MISC_CTRL 0x84
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#define TEGRA30_AHUB_MISC_CTRL_AUDIO_ACTIVE (1 << 31)
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#define TEGRA30_AHUB_MISC_CTRL_AUDIO_CG_EN (1 << 8)
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#define TEGRA30_AHUB_MISC_CTRL_AUDIO_OBS_SEL_SHIFT 0
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#define TEGRA30_AHUB_MISC_CTRL_AUDIO_OBS_SEL_MASK (0x1f << TEGRA30_AHUB_MISC_CTRL_AUDIO_OBS_SEL_SHIFT)
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/* TEGRA30_AHUB_APBDMA_LIVE_STATUS */
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS 0x88
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_CIF_FIFO_FULL (1 << 31)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_CIF_FIFO_FULL (1 << 30)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_CIF_FIFO_FULL (1 << 29)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_CIF_FIFO_FULL (1 << 28)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_CIF_FIFO_FULL (1 << 27)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_CIF_FIFO_FULL (1 << 26)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_CIF_FIFO_FULL (1 << 25)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_CIF_FIFO_FULL (1 << 24)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_CIF_FIFO_EMPTY (1 << 23)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_CIF_FIFO_EMPTY (1 << 22)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_CIF_FIFO_EMPTY (1 << 21)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_CIF_FIFO_EMPTY (1 << 20)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_CIF_FIFO_EMPTY (1 << 19)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_CIF_FIFO_EMPTY (1 << 18)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_CIF_FIFO_EMPTY (1 << 17)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_CIF_FIFO_EMPTY (1 << 16)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_DMA_FIFO_FULL (1 << 15)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_DMA_FIFO_FULL (1 << 14)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_DMA_FIFO_FULL (1 << 13)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_DMA_FIFO_FULL (1 << 12)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_DMA_FIFO_FULL (1 << 11)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_DMA_FIFO_FULL (1 << 10)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_DMA_FIFO_FULL (1 << 9)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_DMA_FIFO_FULL (1 << 8)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_DMA_FIFO_EMPTY (1 << 7)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_DMA_FIFO_EMPTY (1 << 6)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_DMA_FIFO_EMPTY (1 << 5)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_DMA_FIFO_EMPTY (1 << 4)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_DMA_FIFO_EMPTY (1 << 3)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_DMA_FIFO_EMPTY (1 << 2)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_DMA_FIFO_EMPTY (1 << 1)
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#define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_DMA_FIFO_EMPTY (1 << 0)
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/* TEGRA30_AHUB_I2S_LIVE_STATUS */
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#define TEGRA30_AHUB_I2S_LIVE_STATUS 0x8c
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_RX_FIFO_FULL (1 << 29)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_TX_FIFO_FULL (1 << 28)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_RX_FIFO_FULL (1 << 27)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_TX_FIFO_FULL (1 << 26)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_RX_FIFO_FULL (1 << 25)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_TX_FIFO_FULL (1 << 24)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_RX_FIFO_FULL (1 << 23)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_TX_FIFO_FULL (1 << 22)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_RX_FIFO_FULL (1 << 21)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_TX_FIFO_FULL (1 << 20)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_RX_FIFO_ENABLED (1 << 19)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_TX_FIFO_ENABLED (1 << 18)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_RX_FIFO_ENABLED (1 << 17)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_TX_FIFO_ENABLED (1 << 16)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_RX_FIFO_ENABLED (1 << 15)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_TX_FIFO_ENABLED (1 << 14)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_RX_FIFO_ENABLED (1 << 13)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_TX_FIFO_ENABLED (1 << 12)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_RX_FIFO_ENABLED (1 << 11)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_TX_FIFO_ENABLED (1 << 10)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_RX_FIFO_EMPTY (1 << 9)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_TX_FIFO_EMPTY (1 << 8)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_RX_FIFO_EMPTY (1 << 7)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_TX_FIFO_EMPTY (1 << 6)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_RX_FIFO_EMPTY (1 << 5)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_TX_FIFO_EMPTY (1 << 4)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_RX_FIFO_EMPTY (1 << 3)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_TX_FIFO_EMPTY (1 << 2)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_RX_FIFO_EMPTY (1 << 1)
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#define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_TX_FIFO_EMPTY (1 << 0)
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/* TEGRA30_AHUB_DAM0_LIVE_STATUS */
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#define TEGRA30_AHUB_DAM_LIVE_STATUS 0x90
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_STRIDE 0x8
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_COUNT 3
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_TX_ENABLED (1 << 26)
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_RX1_ENABLED (1 << 25)
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_RX0_ENABLED (1 << 24)
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_TXFIFO_FULL (1 << 15)
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_RX1FIFO_FULL (1 << 9)
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_RX0FIFO_FULL (1 << 8)
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_TXFIFO_EMPTY (1 << 7)
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_RX1FIFO_EMPTY (1 << 1)
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#define TEGRA30_AHUB_DAM_LIVE_STATUS_RX0FIFO_EMPTY (1 << 0)
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/* TEGRA30_AHUB_SPDIF_LIVE_STATUS */
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS 0xa8
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_TX_ENABLED (1 << 11)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_RX_ENABLED (1 << 10)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_TX_ENABLED (1 << 9)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_RX_ENABLED (1 << 8)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_TXFIFO_FULL (1 << 7)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_RXFIFO_FULL (1 << 6)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_TXFIFO_FULL (1 << 5)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_RXFIFO_FULL (1 << 4)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_TXFIFO_EMPTY (1 << 3)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_RXFIFO_EMPTY (1 << 2)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_TXFIFO_EMPTY (1 << 1)
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#define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_RXFIFO_EMPTY (1 << 0)
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/* TEGRA30_AHUB_I2S_INT_MASK */
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#define TEGRA30_AHUB_I2S_INT_MASK 0xb0
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/* TEGRA30_AHUB_DAM_INT_MASK */
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#define TEGRA30_AHUB_DAM_INT_MASK 0xb4
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/* TEGRA30_AHUB_SPDIF_INT_MASK */
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#define TEGRA30_AHUB_SPDIF_INT_MASK 0xbc
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/* TEGRA30_AHUB_APBIF_INT_MASK */
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#define TEGRA30_AHUB_APBIF_INT_MASK 0xc0
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/* TEGRA30_AHUB_I2S_INT_STATUS */
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#define TEGRA30_AHUB_I2S_INT_STATUS 0xc8
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/* TEGRA30_AHUB_DAM_INT_STATUS */
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#define TEGRA30_AHUB_DAM_INT_STATUS 0xcc
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/* TEGRA30_AHUB_SPDIF_INT_STATUS */
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#define TEGRA30_AHUB_SPDIF_INT_STATUS 0xd4
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/* TEGRA30_AHUB_APBIF_INT_STATUS */
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#define TEGRA30_AHUB_APBIF_INT_STATUS 0xd8
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/* TEGRA30_AHUB_I2S_INT_SOURCE */
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#define TEGRA30_AHUB_I2S_INT_SOURCE 0xe0
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/* TEGRA30_AHUB_DAM_INT_SOURCE */
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#define TEGRA30_AHUB_DAM_INT_SOURCE 0xe4
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/* TEGRA30_AHUB_SPDIF_INT_SOURCE */
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#define TEGRA30_AHUB_SPDIF_INT_SOURCE 0xec
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/* TEGRA30_AHUB_APBIF_INT_SOURCE */
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#define TEGRA30_AHUB_APBIF_INT_SOURCE 0xf0
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/* TEGRA30_AHUB_I2S_INT_SET */
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#define TEGRA30_AHUB_I2S_INT_SET 0xf8
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/* TEGRA30_AHUB_DAM_INT_SET */
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#define TEGRA30_AHUB_DAM_INT_SET 0xfc
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/* TEGRA30_AHUB_SPDIF_INT_SET */
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#define TEGRA30_AHUB_SPDIF_INT_SET 0x100
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/* TEGRA30_AHUB_APBIF_INT_SET */
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#define TEGRA30_AHUB_APBIF_INT_SET 0x104
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/* Registers within TEGRA30_AHUB_BASE */
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#define TEGRA30_AHUB_AUDIO_RX 0x0
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#define TEGRA30_AHUB_AUDIO_RX_STRIDE 0x4
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#define TEGRA30_AHUB_AUDIO_RX_COUNT 17
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/* This register repeats once for each entry in enum tegra30_ahub_rxcif */
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/* The fields in this register are 1 bit per entry in tegra30_ahub_txcif */
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/*
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* Terminology:
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* AHUB: Audio Hub; a cross-bar switch between the audio devices: DMA FIFOs,
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* I2S controllers, SPDIF controllers, and DAMs.
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* XBAR: The core cross-bar component of the AHUB.
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* CIF: Client Interface; the HW module connecting an audio device to the
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* XBAR.
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* DAM: Digital Audio Mixer: A HW module that mixes multiple audio streams,
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* possibly including sample-rate conversion.
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*
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* Each TX CIF transmits data into the XBAR. Each RX CIF can receive audio
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* transmitted by a particular TX CIF.
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*
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* This driver is currently very simplistic; many HW features are not
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* exposed; DAMs are not supported, only 16-bit stereo audio is supported,
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* etc.
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*/
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enum tegra30_ahub_txcif {
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TEGRA30_AHUB_TXCIF_APBIF_TX0,
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TEGRA30_AHUB_TXCIF_APBIF_TX1,
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TEGRA30_AHUB_TXCIF_APBIF_TX2,
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TEGRA30_AHUB_TXCIF_APBIF_TX3,
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TEGRA30_AHUB_TXCIF_I2S0_TX0,
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TEGRA30_AHUB_TXCIF_I2S1_TX0,
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TEGRA30_AHUB_TXCIF_I2S2_TX0,
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TEGRA30_AHUB_TXCIF_I2S3_TX0,
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TEGRA30_AHUB_TXCIF_I2S4_TX0,
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TEGRA30_AHUB_TXCIF_DAM0_TX0,
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TEGRA30_AHUB_TXCIF_DAM1_TX0,
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TEGRA30_AHUB_TXCIF_DAM2_TX0,
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TEGRA30_AHUB_TXCIF_SPDIF_TX0,
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TEGRA30_AHUB_TXCIF_SPDIF_TX1,
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};
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enum tegra30_ahub_rxcif {
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TEGRA30_AHUB_RXCIF_APBIF_RX0,
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TEGRA30_AHUB_RXCIF_APBIF_RX1,
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TEGRA30_AHUB_RXcIF_APBIF_RX2,
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TEGRA30_AHUB_RXCIF_APBIF_RX3,
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TEGRA30_AHUB_RXCIF_I2S0_RX0,
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TEGRA30_AHUB_RXCIF_I2S1_RX0,
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TEGRA30_AHUB_RXCIF_I2S2_RX0,
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TEGRA30_AHUB_RXCIF_I2S3_RX0,
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TEGRA30_AHUB_RXCIF_I2S4_RX0,
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TEGRA30_AHUB_RXCIF_DAM0_RX0,
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TEGRA30_AHUB_RXCIF_DAM0_RX1,
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TEGRA30_AHUB_RXCIF_DAM1_RX0,
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TEGRA30_AHUB_RXCIF_DAM2_RX1,
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TEGRA30_AHUB_RXCIF_DAM3_RX0,
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TEGRA30_AHUB_RXCIF_DAM3_RX1,
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TEGRA30_AHUB_RXCIF_SPDIF_RX0,
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TEGRA30_AHUB_RXCIF_SPDIF_RX1,
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};
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extern int tegra30_ahub_allocate_rx_fifo(enum tegra30_ahub_rxcif *rxcif,
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unsigned long *fiforeg,
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unsigned long *reqsel);
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extern int tegra30_ahub_enable_rx_fifo(enum tegra30_ahub_rxcif rxcif);
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extern int tegra30_ahub_disable_rx_fifo(enum tegra30_ahub_rxcif rxcif);
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extern int tegra30_ahub_free_rx_fifo(enum tegra30_ahub_rxcif rxcif);
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extern int tegra30_ahub_allocate_tx_fifo(enum tegra30_ahub_txcif *txcif,
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unsigned long *fiforeg,
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unsigned long *reqsel);
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extern int tegra30_ahub_enable_tx_fifo(enum tegra30_ahub_txcif txcif);
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extern int tegra30_ahub_disable_tx_fifo(enum tegra30_ahub_txcif txcif);
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extern int tegra30_ahub_free_tx_fifo(enum tegra30_ahub_txcif txcif);
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extern int tegra30_ahub_set_rx_cif_source(enum tegra30_ahub_rxcif rxcif,
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enum tegra30_ahub_txcif txcif);
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extern int tegra30_ahub_unset_rx_cif_source(enum tegra30_ahub_rxcif rxcif);
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struct tegra30_ahub {
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struct device *dev;
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struct clk *clk_d_audio;
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struct clk *clk_apbif;
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int dma_sel;
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resource_size_t apbif_addr;
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struct regmap *regmap_apbif;
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struct regmap *regmap_ahub;
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DECLARE_BITMAP(rx_usage, TEGRA30_AHUB_CHANNEL_CTRL_COUNT);
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DECLARE_BITMAP(tx_usage, TEGRA30_AHUB_CHANNEL_CTRL_COUNT);
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};
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#endif
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