/* * tegra30_ahub.h - Definitions for Tegra 30 AHUB driver * * Author: Stephen Warren * Copyright (C) 2011 - NVIDIA, Inc. * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #ifndef __TEGRA30_AHUB_H__ #define __TEGRA30_AHUB_H__ /* Fields in *_CIF_RX/TX_CTRL; used by AHUB FIFOs, and all other audio modules */ #define TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT 28 #define TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US 0xf #define TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK (TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US << TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT) /* Channel count minus 1 */ #define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT 24 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US 7 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK (TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US << TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT) /* Channel count minus 1 */ #define TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT 16 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK_US 7 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK (TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK_US << TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT) #define TEGRA30_AUDIOCIF_BITS_4 0 #define TEGRA30_AUDIOCIF_BITS_8 1 #define TEGRA30_AUDIOCIF_BITS_12 2 #define TEGRA30_AUDIOCIF_BITS_16 3 #define TEGRA30_AUDIOCIF_BITS_20 4 #define TEGRA30_AUDIOCIF_BITS_24 5 #define TEGRA30_AUDIOCIF_BITS_28 6 #define TEGRA30_AUDIOCIF_BITS_32 7 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT 12 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_MASK (7 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_4 (TEGRA30_AUDIOCIF_BITS_4 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_8 (TEGRA30_AUDIOCIF_BITS_8 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_12 (TEGRA30_AUDIOCIF_BITS_12 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_16 (TEGRA30_AUDIOCIF_BITS_16 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_20 (TEGRA30_AUDIOCIF_BITS_20 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_24 (TEGRA30_AUDIOCIF_BITS_24 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_28 (TEGRA30_AUDIOCIF_BITS_28 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_32 (TEGRA30_AUDIOCIF_BITS_32 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT 8 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_MASK (7 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_4 (TEGRA30_AUDIOCIF_BITS_4 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_8 (TEGRA30_AUDIOCIF_BITS_8 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_12 (TEGRA30_AUDIOCIF_BITS_12 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_16 (TEGRA30_AUDIOCIF_BITS_16 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_20 (TEGRA30_AUDIOCIF_BITS_20 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_24 (TEGRA30_AUDIOCIF_BITS_24 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_28 (TEGRA30_AUDIOCIF_BITS_28 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_32 (TEGRA30_AUDIOCIF_BITS_32 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) #define TEGRA30_AUDIOCIF_EXPAND_ZERO 0 #define TEGRA30_AUDIOCIF_EXPAND_ONE 1 #define TEGRA30_AUDIOCIF_EXPAND_LFSR 2 #define TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT 6 #define TEGRA30_AUDIOCIF_CTRL_EXPAND_MASK (3 << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_EXPAND_ZERO (TEGRA30_AUDIOCIF_EXPAND_ZERO << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_EXPAND_ONE (TEGRA30_AUDIOCIF_EXPAND_ONE << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_EXPAND_LFSR (TEGRA30_AUDIOCIF_EXPAND_LFSR << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) #define TEGRA30_AUDIOCIF_STEREO_CONV_CH0 0 #define TEGRA30_AUDIOCIF_STEREO_CONV_CH1 1 #define TEGRA30_AUDIOCIF_STEREO_CONV_AVG 2 #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT 4 #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_MASK (3 << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_CH0 (TEGRA30_AUDIOCIF_STEREO_CONV_CH0 << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_CH1 (TEGRA30_AUDIOCIF_STEREO_CONV_CH1 << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_AVG (TEGRA30_AUDIOCIF_STEREO_CONV_AVG << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_REPLICATE 3 #define TEGRA30_AUDIOCIF_DIRECTION_TX 0 #define TEGRA30_AUDIOCIF_DIRECTION_RX 1 #define TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT 2 #define TEGRA30_AUDIOCIF_CTRL_DIRECTION_MASK (1 << TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_DIRECTION_TX (TEGRA30_AUDIOCIF_DIRECTION_TX << TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_DIRECTION_RX (TEGRA30_AUDIOCIF_DIRECTION_RX << TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT) #define TEGRA30_AUDIOCIF_TRUNCATE_ROUND 0 #define TEGRA30_AUDIOCIF_TRUNCATE_CHOP 1 #define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT 1 #define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_MASK (1 << TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_ROUND (TEGRA30_AUDIOCIF_TRUNCATE_ROUND << TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_CHOP (TEGRA30_AUDIOCIF_TRUNCATE_CHOP << TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT) #define TEGRA30_AUDIOCIF_MONO_CONV_ZERO 0 #define TEGRA30_AUDIOCIF_MONO_CONV_COPY 1 #define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT 0 #define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_MASK (1 << TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_ZERO (TEGRA30_AUDIOCIF_MONO_CONV_ZERO << TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT) #define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_COPY (TEGRA30_AUDIOCIF_MONO_CONV_COPY << TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT) /* Registers within TEGRA30_AUDIO_CLUSTER_BASE */ /* TEGRA30_AHUB_CHANNEL_CTRL */ #define TEGRA30_AHUB_CHANNEL_CTRL 0x0 #define TEGRA30_AHUB_CHANNEL_CTRL_STRIDE 0x20 #define TEGRA30_AHUB_CHANNEL_CTRL_COUNT 4 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_EN (1 << 31) #define TEGRA30_AHUB_CHANNEL_CTRL_RX_EN (1 << 30) #define TEGRA30_AHUB_CHANNEL_CTRL_LOOPBACK (1 << 29) #define TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_SHIFT 16 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_MASK_US 0xff #define TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_MASK (TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_SHIFT) #define TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_SHIFT 8 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_MASK_US 0xff #define TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_MASK (TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_SHIFT) #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_EN (1 << 6) #define TEGRA30_PACK_8_4 2 #define TEGRA30_PACK_16 3 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT 4 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_MASK_US 3 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_MASK (TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT) #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_8_4 (TEGRA30_PACK_8_4 << TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT) #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_16 (TEGRA30_PACK_16 << TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT) #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_EN (1 << 2) #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT 0 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_MASK_US 3 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_MASK (TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT) #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_8_4 (TEGRA30_PACK_8_4 << TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT) #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_16 (TEGRA30_PACK_16 << TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT) /* TEGRA30_AHUB_CHANNEL_CLEAR */ #define TEGRA30_AHUB_CHANNEL_CLEAR 0x4 #define TEGRA30_AHUB_CHANNEL_CLEAR_STRIDE 0x20 #define TEGRA30_AHUB_CHANNEL_CLEAR_COUNT 4 #define TEGRA30_AHUB_CHANNEL_CLEAR_TX_SOFT_RESET (1 << 31) #define TEGRA30_AHUB_CHANNEL_CLEAR_RX_SOFT_RESET (1 << 30) /* TEGRA30_AHUB_CHANNEL_STATUS */ #define TEGRA30_AHUB_CHANNEL_STATUS 0x8 #define TEGRA30_AHUB_CHANNEL_STATUS_STRIDE 0x20 #define TEGRA30_AHUB_CHANNEL_STATUS_COUNT 4 #define TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_SHIFT 24 #define TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_MASK_US 0xff #define TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_MASK (TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_MASK_US << TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_SHIFT) #define TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_SHIFT 16 #define TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_MASK_US 0xff #define TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_MASK (TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_MASK_US << TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_SHIFT) #define TEGRA30_AHUB_CHANNEL_STATUS_TX_TRIG (1 << 1) #define TEGRA30_AHUB_CHANNEL_STATUS_RX_TRIG (1 << 0) /* TEGRA30_AHUB_CHANNEL_TXFIFO */ #define TEGRA30_AHUB_CHANNEL_TXFIFO 0xc #define TEGRA30_AHUB_CHANNEL_TXFIFO_STRIDE 0x20 #define TEGRA30_AHUB_CHANNEL_TXFIFO_COUNT 4 /* TEGRA30_AHUB_CHANNEL_RXFIFO */ #define TEGRA30_AHUB_CHANNEL_RXFIFO 0x10 #define TEGRA30_AHUB_CHANNEL_RXFIFO_STRIDE 0x20 #define TEGRA30_AHUB_CHANNEL_RXFIFO_COUNT 4 /* TEGRA30_AHUB_CIF_TX_CTRL */ #define TEGRA30_AHUB_CIF_TX_CTRL 0x14 #define TEGRA30_AHUB_CIF_TX_CTRL_STRIDE 0x20 #define TEGRA30_AHUB_CIF_TX_CTRL_COUNT 4 /* Uses field from TEGRA30_AUDIOCIF_CTRL_* */ /* TEGRA30_AHUB_CIF_RX_CTRL */ #define TEGRA30_AHUB_CIF_RX_CTRL 0x18 #define TEGRA30_AHUB_CIF_RX_CTRL_STRIDE 0x20 #define TEGRA30_AHUB_CIF_RX_CTRL_COUNT 4 /* Uses field from TEGRA30_AUDIOCIF_CTRL_* */ /* TEGRA30_AHUB_CONFIG_LINK_CTRL */ #define TEGRA30_AHUB_CONFIG_LINK_CTRL 0x80 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_MASTER_FIFO_FULL_CNT_SHIFT 28 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_MASTER_FIFO_FULL_CNT_MASK_US 0xf #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) #define TEGRA30_AHUB_CONFIG_LINK_CTRL_TIMEOUT_CNT_SHIFT 16 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_TIMEOUT_CNT_MASK_US 0xfff #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) #define TEGRA30_AHUB_CONFIG_LINK_CTRL_IDLE_CNT_SHIFT 5 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_IDLE_CNT_MASK_US 0xfff #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) #define TEGRA30_AHUB_CONFIG_LINK_CTRL_CG_EN (1 << 2) #define TEGRA30_AHUB_CONFIG_LINK_CTRL_CLEAR_TIMEOUT_CNTR (1 << 1) #define TEGRA30_AHUB_CONFIG_LINK_CTRL_SOFT_RESET (1 << 0) /* TEGRA30_AHUB_MISC_CTRL */ #define TEGRA30_AHUB_MISC_CTRL 0x84 #define TEGRA30_AHUB_MISC_CTRL_AUDIO_ACTIVE (1 << 31) #define TEGRA30_AHUB_MISC_CTRL_AUDIO_CG_EN (1 << 9) #define TEGRA30_AHUB_MISC_CTRL_AUDIO_OBS_SEL_SHIFT 0 #define TEGRA30_AHUB_MISC_CTRL_AUDIO_OBS_SEL_MASK (0x1f << TEGRA30_AHUB_MISC_CTRL_AUDIO_OBS_SEL_SHIFT) /* TEGRA30_AHUB_APBDMA_LIVE_STATUS */ #define TEGRA30_AHUB_APBDMA_LIVE_STATUS 0x88 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_CIF_FIFO_FULL (1 << 31) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_CIF_FIFO_FULL (1 << 30) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_CIF_FIFO_FULL (1 << 29) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_CIF_FIFO_FULL (1 << 28) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_CIF_FIFO_FULL (1 << 27) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_CIF_FIFO_FULL (1 << 26) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_CIF_FIFO_FULL (1 << 25) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_CIF_FIFO_FULL (1 << 24) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_CIF_FIFO_EMPTY (1 << 23) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_CIF_FIFO_EMPTY (1 << 22) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_CIF_FIFO_EMPTY (1 << 21) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_CIF_FIFO_EMPTY (1 << 20) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_CIF_FIFO_EMPTY (1 << 19) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_CIF_FIFO_EMPTY (1 << 18) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_CIF_FIFO_EMPTY (1 << 17) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_CIF_FIFO_EMPTY (1 << 16) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_DMA_FIFO_FULL (1 << 15) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_DMA_FIFO_FULL (1 << 14) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_DMA_FIFO_FULL (1 << 13) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_DMA_FIFO_FULL (1 << 12) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_DMA_FIFO_FULL (1 << 11) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_DMA_FIFO_FULL (1 << 10) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_DMA_FIFO_FULL (1 << 9) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_DMA_FIFO_FULL (1 << 8) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_DMA_FIFO_EMPTY (1 << 7) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_DMA_FIFO_EMPTY (1 << 6) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_DMA_FIFO_EMPTY (1 << 5) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_DMA_FIFO_EMPTY (1 << 4) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_DMA_FIFO_EMPTY (1 << 3) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_DMA_FIFO_EMPTY (1 << 2) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_DMA_FIFO_EMPTY (1 << 1) #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_DMA_FIFO_EMPTY (1 << 0) /* TEGRA30_AHUB_I2S_LIVE_STATUS */ #define TEGRA30_AHUB_I2S_LIVE_STATUS 0x8c #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_RX_FIFO_FULL (1 << 29) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_TX_FIFO_FULL (1 << 28) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_RX_FIFO_FULL (1 << 27) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_TX_FIFO_FULL (1 << 26) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_RX_FIFO_FULL (1 << 25) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_TX_FIFO_FULL (1 << 24) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_RX_FIFO_FULL (1 << 23) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_TX_FIFO_FULL (1 << 22) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_RX_FIFO_FULL (1 << 21) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_TX_FIFO_FULL (1 << 20) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_RX_FIFO_ENABLED (1 << 19) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_TX_FIFO_ENABLED (1 << 18) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_RX_FIFO_ENABLED (1 << 17) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_TX_FIFO_ENABLED (1 << 16) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_RX_FIFO_ENABLED (1 << 15) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_TX_FIFO_ENABLED (1 << 14) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_RX_FIFO_ENABLED (1 << 13) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_TX_FIFO_ENABLED (1 << 12) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_RX_FIFO_ENABLED (1 << 11) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_TX_FIFO_ENABLED (1 << 10) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_RX_FIFO_EMPTY (1 << 9) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_TX_FIFO_EMPTY (1 << 8) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_RX_FIFO_EMPTY (1 << 7) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_TX_FIFO_EMPTY (1 << 6) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_RX_FIFO_EMPTY (1 << 5) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_TX_FIFO_EMPTY (1 << 4) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_RX_FIFO_EMPTY (1 << 3) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_TX_FIFO_EMPTY (1 << 2) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_RX_FIFO_EMPTY (1 << 1) #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_TX_FIFO_EMPTY (1 << 0) /* TEGRA30_AHUB_DAM0_LIVE_STATUS */ #define TEGRA30_AHUB_DAM_LIVE_STATUS 0x90 #define TEGRA30_AHUB_DAM_LIVE_STATUS_STRIDE 0x8 #define TEGRA30_AHUB_DAM_LIVE_STATUS_COUNT 3 #define TEGRA30_AHUB_DAM_LIVE_STATUS_TX_ENABLED (1 << 26) #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX1_ENABLED (1 << 25) #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX0_ENABLED (1 << 24) #define TEGRA30_AHUB_DAM_LIVE_STATUS_TXFIFO_FULL (1 << 15) #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX1FIFO_FULL (1 << 9) #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX0FIFO_FULL (1 << 8) #define TEGRA30_AHUB_DAM_LIVE_STATUS_TXFIFO_EMPTY (1 << 7) #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX1FIFO_EMPTY (1 << 1) #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX0FIFO_EMPTY (1 << 0) /* TEGRA30_AHUB_SPDIF_LIVE_STATUS */ #define TEGRA30_AHUB_SPDIF_LIVE_STATUS 0xa8 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_TX_ENABLED (1 << 11) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_RX_ENABLED (1 << 10) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_TX_ENABLED (1 << 9) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_RX_ENABLED (1 << 8) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_TXFIFO_FULL (1 << 7) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_RXFIFO_FULL (1 << 6) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_TXFIFO_FULL (1 << 5) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_RXFIFO_FULL (1 << 4) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_TXFIFO_EMPTY (1 << 3) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_RXFIFO_EMPTY (1 << 2) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_TXFIFO_EMPTY (1 << 1) #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_RXFIFO_EMPTY (1 << 0) /* TEGRA30_AHUB_I2S_INT_MASK */ #define TEGRA30_AHUB_I2S_INT_MASK 0xb0 /* TEGRA30_AHUB_DAM_INT_MASK */ #define TEGRA30_AHUB_DAM_INT_MASK 0xb4 /* TEGRA30_AHUB_SPDIF_INT_MASK */ #define TEGRA30_AHUB_SPDIF_INT_MASK 0xbc /* TEGRA30_AHUB_APBIF_INT_MASK */ #define TEGRA30_AHUB_APBIF_INT_MASK 0xc0 /* TEGRA30_AHUB_I2S_INT_STATUS */ #define TEGRA30_AHUB_I2S_INT_STATUS 0xc8 /* TEGRA30_AHUB_DAM_INT_STATUS */ #define TEGRA30_AHUB_DAM_INT_STATUS 0xcc /* TEGRA30_AHUB_SPDIF_INT_STATUS */ #define TEGRA30_AHUB_SPDIF_INT_STATUS 0xd4 /* TEGRA30_AHUB_APBIF_INT_STATUS */ #define TEGRA30_AHUB_APBIF_INT_STATUS 0xd8 /* TEGRA30_AHUB_I2S_INT_SOURCE */ #define TEGRA30_AHUB_I2S_INT_SOURCE 0xe0 /* TEGRA30_AHUB_DAM_INT_SOURCE */ #define TEGRA30_AHUB_DAM_INT_SOURCE 0xe4 /* TEGRA30_AHUB_SPDIF_INT_SOURCE */ #define TEGRA30_AHUB_SPDIF_INT_SOURCE 0xec /* TEGRA30_AHUB_APBIF_INT_SOURCE */ #define TEGRA30_AHUB_APBIF_INT_SOURCE 0xf0 /* TEGRA30_AHUB_I2S_INT_SET */ #define TEGRA30_AHUB_I2S_INT_SET 0xf8 /* TEGRA30_AHUB_DAM_INT_SET */ #define TEGRA30_AHUB_DAM_INT_SET 0xfc /* TEGRA30_AHUB_SPDIF_INT_SET */ #define TEGRA30_AHUB_SPDIF_INT_SET 0x100 /* TEGRA30_AHUB_APBIF_INT_SET */ #define TEGRA30_AHUB_APBIF_INT_SET 0x104 /* Registers within TEGRA30_AHUB_BASE */ #define TEGRA30_AHUB_AUDIO_RX 0x0 #define TEGRA30_AHUB_AUDIO_RX_STRIDE 0x4 #define TEGRA30_AHUB_AUDIO_RX_COUNT 17 /* This register repeats once for each entry in enum tegra30_ahub_rxcif */ /* The fields in this register are 1 bit per entry in tegra30_ahub_txcif */ /* apbif register count */ #define TEGRA30_APBIF_CACHE_REG_COUNT_PER_CHANNEL ((TEGRA30_AHUB_CIF_RX_CTRL>>2) + 1) #define TEGRA30_APBIF_CACHE_REG_COUNT ((TEGRA30_APBIF_CACHE_REG_COUNT_PER_CHANNEL + 1) * TEGRA30_AHUB_CHANNEL_CTRL_COUNT) /* cache index to be skipped */ #define TEGRA30_APBIF_CACHE_REG_INDEX_RSVD TEGRA30_APBIF_CACHE_REG_COUNT_PER_CHANNEL #define TEGRA30_APBIF_CACHE_REG_INDEX_RSVD_STRIDE (TEGRA30_APBIF_CACHE_REG_COUNT_PER_CHANNEL + 1) /* * Terminology: * AHUB: Audio Hub; a cross-bar switch between the audio devices: DMA FIFOs, * I2S controllers, SPDIF controllers, and DAMs. * XBAR: The core cross-bar component of the AHUB. * CIF: Client Interface; the HW module connecting an audio device to the * XBAR. * DAM: Digital Audio Mixer: A HW module that mixes multiple audio streams, * possibly including sample-rate conversion. * * Each TX CIF transmits data into the XBAR. Each RX CIF can receive audio * transmitted by a particular TX CIF. * * This driver is currently very simplistic; many HW features are not * exposed; DAMs are not supported, only 16-bit stereo audio is supported, * etc. */ enum tegra30_ahub_txcif { TEGRA30_AHUB_TXCIF_APBIF_TX0, TEGRA30_AHUB_TXCIF_APBIF_TX1, TEGRA30_AHUB_TXCIF_APBIF_TX2, TEGRA30_AHUB_TXCIF_APBIF_TX3, TEGRA30_AHUB_TXCIF_I2S0_TX0, TEGRA30_AHUB_TXCIF_I2S1_TX0, TEGRA30_AHUB_TXCIF_I2S2_TX0, TEGRA30_AHUB_TXCIF_I2S3_TX0, TEGRA30_AHUB_TXCIF_I2S4_TX0, TEGRA30_AHUB_TXCIF_DAM0_TX0, TEGRA30_AHUB_TXCIF_DAM1_TX0, TEGRA30_AHUB_TXCIF_DAM2_TX0, TEGRA30_AHUB_TXCIF_SPDIF_TX0, TEGRA30_AHUB_TXCIF_SPDIF_TX1, }; enum tegra30_ahub_rxcif { TEGRA30_AHUB_RXCIF_APBIF_RX0, TEGRA30_AHUB_RXCIF_APBIF_RX1, TEGRA30_AHUB_RXcIF_APBIF_RX2, TEGRA30_AHUB_RXCIF_APBIF_RX3, TEGRA30_AHUB_RXCIF_I2S0_RX0, TEGRA30_AHUB_RXCIF_I2S1_RX0, TEGRA30_AHUB_RXCIF_I2S2_RX0, TEGRA30_AHUB_RXCIF_I2S3_RX0, TEGRA30_AHUB_RXCIF_I2S4_RX0, TEGRA30_AHUB_RXCIF_DAM0_RX0, TEGRA30_AHUB_RXCIF_DAM0_RX1, TEGRA30_AHUB_RXCIF_DAM1_RX0, TEGRA30_AHUB_RXCIF_DAM2_RX1, TEGRA30_AHUB_RXCIF_DAM3_RX0, TEGRA30_AHUB_RXCIF_DAM3_RX1, TEGRA30_AHUB_RXCIF_SPDIF_RX0, TEGRA30_AHUB_RXCIF_SPDIF_RX1, }; extern void tegra30_ahub_enable_clocks(void); extern void tegra30_ahub_disable_clocks(void); extern void tegra30_ahub_clock_set_rate(int rate); extern int tegra30_ahub_allocate_rx_fifo(enum tegra30_ahub_rxcif *rxcif, unsigned long *fiforeg, unsigned long *reqsel); extern int tegra30_ahub_set_rx_cif_channels(enum tegra30_ahub_rxcif rxcif, unsigned int audio_ch, unsigned int client_ch); extern int tegra30_ahub_set_rx_cif_bits(enum tegra30_ahub_rxcif rxcif, unsigned int audio_bits, unsigned int client_bits); extern int tegra30_ahub_enable_rx_fifo(enum tegra30_ahub_rxcif rxcif); extern int tegra30_ahub_disable_rx_fifo(enum tegra30_ahub_rxcif rxcif); extern int tegra30_ahub_set_rx_fifo_pack_mode(enum tegra30_ahub_rxcif rxcif, unsigned int pack_mode); extern int tegra30_ahub_free_rx_fifo(enum tegra30_ahub_rxcif rxcif); extern int tegra30_ahub_allocate_tx_fifo(enum tegra30_ahub_txcif *txcif, unsigned long *fiforeg, unsigned long *reqsel); extern int tegra30_ahub_set_tx_cif_channels(enum tegra30_ahub_txcif txcif, unsigned int audio_ch, unsigned int client_ch); extern int tegra30_ahub_set_tx_cif_bits(enum tegra30_ahub_txcif txcif, unsigned int audio_bits, unsigned int client_bits); extern int tegra30_ahub_enable_tx_fifo(enum tegra30_ahub_txcif txcif); extern int tegra30_ahub_disable_tx_fifo(enum tegra30_ahub_txcif txcif); extern int tegra30_ahub_set_tx_fifo_pack_mode(enum tegra30_ahub_txcif txcif, unsigned int pack_mode); extern int tegra30_ahub_free_tx_fifo(enum tegra30_ahub_txcif txcif); extern int tegra30_ahub_set_rx_cif_source(enum tegra30_ahub_rxcif rxcif, enum tegra30_ahub_txcif txcif); extern int tegra30_ahub_unset_rx_cif_source(enum tegra30_ahub_rxcif rxcif); extern int tegra30_ahub_rx_fifo_is_enabled(int i2s_id); extern int tegra30_ahub_tx_fifo_is_enabled(int i2s_id); extern int tegra30_ahub_dam_ch0_is_enabled(int dam_id); extern int tegra30_ahub_dam_ch1_is_enabled(int dam_id); extern int tegra30_ahub_dam_tx_is_enabled(int dam_id); #ifdef CONFIG_PM extern int tegra30_ahub_apbif_resume(void); #endif struct tegra30_ahub { struct device *dev; struct clk *clk_d_audio; struct clk *clk_apbif; resource_size_t apbif_addr; void __iomem *apbif_regs; void __iomem *audio_regs; DECLARE_BITMAP(rx_usage, TEGRA30_AHUB_CHANNEL_CTRL_COUNT); DECLARE_BITMAP(tx_usage, TEGRA30_AHUB_CHANNEL_CTRL_COUNT); struct dentry *debug; #ifdef CONFIG_PM u32 ahub_reg_cache[TEGRA30_AHUB_AUDIO_RX_COUNT]; u32 apbif_reg_cache[TEGRA30_APBIF_CACHE_REG_COUNT]; #endif }; #endif