1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * tegra30_ahub.h - Definitions for Tegra30 AHUB driver 4 * 5 * Copyright (c) 2011,2012, NVIDIA CORPORATION. All rights reserved. 6 */ 7 8 #ifndef __TEGRA30_AHUB_H__ 9 #define __TEGRA30_AHUB_H__ 10 11 /* Fields in *_CIF_RX/TX_CTRL; used by AHUB FIFOs, and all other audio modules */ 12 13 #define TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT 28 14 #define TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US 0xf 15 #define TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK (TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US << TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT) 16 17 #define TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT 24 18 #define TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US 0x3f 19 #define TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK (TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US << TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT) 20 21 /* Channel count minus 1 */ 22 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT 24 23 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US 7 24 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK (TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US << TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT) 25 26 /* Channel count minus 1 */ 27 #define TEGRA124_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT 20 28 #define TEGRA124_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US 0xf 29 #define TEGRA124_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK (TEGRA124_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US << TEGRA124_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT) 30 31 /* Channel count minus 1 */ 32 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT 16 33 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK_US 7 34 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK (TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK_US << TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT) 35 36 /* Channel count minus 1 */ 37 #define TEGRA124_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT 16 38 #define TEGRA124_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK_US 0xf 39 #define TEGRA124_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK (TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_MASK_US << TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT) 40 41 #define TEGRA30_AUDIOCIF_BITS_4 0 42 #define TEGRA30_AUDIOCIF_BITS_8 1 43 #define TEGRA30_AUDIOCIF_BITS_12 2 44 #define TEGRA30_AUDIOCIF_BITS_16 3 45 #define TEGRA30_AUDIOCIF_BITS_20 4 46 #define TEGRA30_AUDIOCIF_BITS_24 5 47 #define TEGRA30_AUDIOCIF_BITS_28 6 48 #define TEGRA30_AUDIOCIF_BITS_32 7 49 50 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT 12 51 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_MASK (7 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) 52 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_4 (TEGRA30_AUDIOCIF_BITS_4 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) 53 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_8 (TEGRA30_AUDIOCIF_BITS_8 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) 54 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_12 (TEGRA30_AUDIOCIF_BITS_12 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) 55 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_16 (TEGRA30_AUDIOCIF_BITS_16 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) 56 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_20 (TEGRA30_AUDIOCIF_BITS_20 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) 57 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_24 (TEGRA30_AUDIOCIF_BITS_24 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) 58 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_28 (TEGRA30_AUDIOCIF_BITS_28 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) 59 #define TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_32 (TEGRA30_AUDIOCIF_BITS_32 << TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) 60 61 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT 8 62 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_MASK (7 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) 63 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_4 (TEGRA30_AUDIOCIF_BITS_4 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) 64 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_8 (TEGRA30_AUDIOCIF_BITS_8 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) 65 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_12 (TEGRA30_AUDIOCIF_BITS_12 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) 66 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_16 (TEGRA30_AUDIOCIF_BITS_16 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) 67 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_20 (TEGRA30_AUDIOCIF_BITS_20 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) 68 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_24 (TEGRA30_AUDIOCIF_BITS_24 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) 69 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_28 (TEGRA30_AUDIOCIF_BITS_28 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) 70 #define TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_32 (TEGRA30_AUDIOCIF_BITS_32 << TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) 71 72 #define TEGRA30_AUDIOCIF_EXPAND_ZERO 0 73 #define TEGRA30_AUDIOCIF_EXPAND_ONE 1 74 #define TEGRA30_AUDIOCIF_EXPAND_LFSR 2 75 76 #define TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT 6 77 #define TEGRA30_AUDIOCIF_CTRL_EXPAND_MASK (3 << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) 78 #define TEGRA30_AUDIOCIF_CTRL_EXPAND_ZERO (TEGRA30_AUDIOCIF_EXPAND_ZERO << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) 79 #define TEGRA30_AUDIOCIF_CTRL_EXPAND_ONE (TEGRA30_AUDIOCIF_EXPAND_ONE << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) 80 #define TEGRA30_AUDIOCIF_CTRL_EXPAND_LFSR (TEGRA30_AUDIOCIF_EXPAND_LFSR << TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) 81 82 #define TEGRA30_AUDIOCIF_STEREO_CONV_CH0 0 83 #define TEGRA30_AUDIOCIF_STEREO_CONV_CH1 1 84 #define TEGRA30_AUDIOCIF_STEREO_CONV_AVG 2 85 86 #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT 4 87 #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_MASK (3 << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) 88 #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_CH0 (TEGRA30_AUDIOCIF_STEREO_CONV_CH0 << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) 89 #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_CH1 (TEGRA30_AUDIOCIF_STEREO_CONV_CH1 << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) 90 #define TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_AVG (TEGRA30_AUDIOCIF_STEREO_CONV_AVG << TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) 91 92 #define TEGRA30_AUDIOCIF_CTRL_REPLICATE_SHIFT 3 93 94 #define TEGRA30_AUDIOCIF_DIRECTION_TX 0 95 #define TEGRA30_AUDIOCIF_DIRECTION_RX 1 96 97 #define TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT 2 98 #define TEGRA30_AUDIOCIF_CTRL_DIRECTION_MASK (1 << TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT) 99 #define TEGRA30_AUDIOCIF_CTRL_DIRECTION_TX (TEGRA30_AUDIOCIF_DIRECTION_TX << TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT) 100 #define TEGRA30_AUDIOCIF_CTRL_DIRECTION_RX (TEGRA30_AUDIOCIF_DIRECTION_RX << TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT) 101 102 #define TEGRA30_AUDIOCIF_TRUNCATE_ROUND 0 103 #define TEGRA30_AUDIOCIF_TRUNCATE_CHOP 1 104 105 #define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT 1 106 #define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_MASK (1 << TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT) 107 #define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_ROUND (TEGRA30_AUDIOCIF_TRUNCATE_ROUND << TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT) 108 #define TEGRA30_AUDIOCIF_CTRL_TRUNCATE_CHOP (TEGRA30_AUDIOCIF_TRUNCATE_CHOP << TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT) 109 110 #define TEGRA30_AUDIOCIF_MONO_CONV_ZERO 0 111 #define TEGRA30_AUDIOCIF_MONO_CONV_COPY 1 112 113 #define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT 0 114 #define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_MASK (1 << TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT) 115 #define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_ZERO (TEGRA30_AUDIOCIF_MONO_CONV_ZERO << TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT) 116 #define TEGRA30_AUDIOCIF_CTRL_MONO_CONV_COPY (TEGRA30_AUDIOCIF_MONO_CONV_COPY << TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT) 117 118 /* Registers within TEGRA30_AUDIO_CLUSTER_BASE */ 119 120 /* TEGRA30_AHUB_CHANNEL_CTRL */ 121 122 #define TEGRA30_AHUB_CHANNEL_CTRL 0x0 123 #define TEGRA30_AHUB_CHANNEL_CTRL_STRIDE 0x20 124 #define TEGRA30_AHUB_CHANNEL_CTRL_COUNT 4 125 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_EN (1 << 31) 126 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_EN (1 << 30) 127 #define TEGRA30_AHUB_CHANNEL_CTRL_LOOPBACK (1 << 29) 128 129 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_SHIFT 16 130 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_MASK_US 0xff 131 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_MASK (TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_TX_THRESHOLD_SHIFT) 132 133 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_SHIFT 8 134 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_MASK_US 0xff 135 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_MASK (TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_RX_THRESHOLD_SHIFT) 136 137 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_EN (1 << 6) 138 139 #define TEGRA30_PACK_8_4 2 140 #define TEGRA30_PACK_16 3 141 142 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT 4 143 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_MASK_US 3 144 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_MASK (TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT) 145 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_8_4 (TEGRA30_PACK_8_4 << TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT) 146 #define TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_16 (TEGRA30_PACK_16 << TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_SHIFT) 147 148 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_EN (1 << 2) 149 150 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT 0 151 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_MASK_US 3 152 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_MASK (TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_MASK_US << TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT) 153 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_8_4 (TEGRA30_PACK_8_4 << TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT) 154 #define TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_16 (TEGRA30_PACK_16 << TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_SHIFT) 155 156 /* TEGRA30_AHUB_CHANNEL_CLEAR */ 157 158 #define TEGRA30_AHUB_CHANNEL_CLEAR 0x4 159 #define TEGRA30_AHUB_CHANNEL_CLEAR_STRIDE 0x20 160 #define TEGRA30_AHUB_CHANNEL_CLEAR_COUNT 4 161 #define TEGRA30_AHUB_CHANNEL_CLEAR_TX_SOFT_RESET (1 << 31) 162 #define TEGRA30_AHUB_CHANNEL_CLEAR_RX_SOFT_RESET (1 << 30) 163 164 /* TEGRA30_AHUB_CHANNEL_STATUS */ 165 166 #define TEGRA30_AHUB_CHANNEL_STATUS 0x8 167 #define TEGRA30_AHUB_CHANNEL_STATUS_STRIDE 0x20 168 #define TEGRA30_AHUB_CHANNEL_STATUS_COUNT 4 169 #define TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_SHIFT 24 170 #define TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_MASK_US 0xff 171 #define TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_MASK (TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_MASK_US << TEGRA30_AHUB_CHANNEL_STATUS_TX_FREE_SHIFT) 172 #define TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_SHIFT 16 173 #define TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_MASK_US 0xff 174 #define TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_MASK (TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_MASK_US << TEGRA30_AHUB_CHANNEL_STATUS_RX_FREE_SHIFT) 175 #define TEGRA30_AHUB_CHANNEL_STATUS_TX_TRIG (1 << 1) 176 #define TEGRA30_AHUB_CHANNEL_STATUS_RX_TRIG (1 << 0) 177 178 /* TEGRA30_AHUB_CHANNEL_TXFIFO */ 179 180 #define TEGRA30_AHUB_CHANNEL_TXFIFO 0xc 181 #define TEGRA30_AHUB_CHANNEL_TXFIFO_STRIDE 0x20 182 #define TEGRA30_AHUB_CHANNEL_TXFIFO_COUNT 4 183 184 /* TEGRA30_AHUB_CHANNEL_RXFIFO */ 185 186 #define TEGRA30_AHUB_CHANNEL_RXFIFO 0x10 187 #define TEGRA30_AHUB_CHANNEL_RXFIFO_STRIDE 0x20 188 #define TEGRA30_AHUB_CHANNEL_RXFIFO_COUNT 4 189 190 /* TEGRA30_AHUB_CIF_TX_CTRL */ 191 192 #define TEGRA30_AHUB_CIF_TX_CTRL 0x14 193 #define TEGRA30_AHUB_CIF_TX_CTRL_STRIDE 0x20 194 #define TEGRA30_AHUB_CIF_TX_CTRL_COUNT 4 195 /* Uses field from TEGRA30_AUDIOCIF_CTRL_* */ 196 197 /* TEGRA30_AHUB_CIF_RX_CTRL */ 198 199 #define TEGRA30_AHUB_CIF_RX_CTRL 0x18 200 #define TEGRA30_AHUB_CIF_RX_CTRL_STRIDE 0x20 201 #define TEGRA30_AHUB_CIF_RX_CTRL_COUNT 4 202 /* Uses field from TEGRA30_AUDIOCIF_CTRL_* */ 203 204 /* TEGRA30_AHUB_CONFIG_LINK_CTRL */ 205 206 #define TEGRA30_AHUB_CONFIG_LINK_CTRL 0x80 207 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_MASTER_FIFO_FULL_CNT_SHIFT 28 208 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_MASTER_FIFO_FULL_CNT_MASK_US 0xf 209 #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) 210 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_TIMEOUT_CNT_SHIFT 16 211 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_TIMEOUT_CNT_MASK_US 0xfff 212 #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) 213 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_IDLE_CNT_SHIFT 4 214 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_IDLE_CNT_MASK_US 0xfff 215 #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) 216 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_CG_EN (1 << 2) 217 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_CLEAR_TIMEOUT_CNTR (1 << 1) 218 #define TEGRA30_AHUB_CONFIG_LINK_CTRL_SOFT_RESET (1 << 0) 219 220 /* TEGRA30_AHUB_MISC_CTRL */ 221 222 #define TEGRA30_AHUB_MISC_CTRL 0x84 223 #define TEGRA30_AHUB_MISC_CTRL_AUDIO_ACTIVE (1 << 31) 224 #define TEGRA30_AHUB_MISC_CTRL_AUDIO_CG_EN (1 << 8) 225 #define TEGRA30_AHUB_MISC_CTRL_AUDIO_OBS_SEL_SHIFT 0 226 #define TEGRA30_AHUB_MISC_CTRL_AUDIO_OBS_SEL_MASK (0x1f << TEGRA30_AHUB_MISC_CTRL_AUDIO_OBS_SEL_SHIFT) 227 228 /* TEGRA30_AHUB_APBDMA_LIVE_STATUS */ 229 230 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS 0x88 231 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_CIF_FIFO_FULL (1 << 31) 232 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_CIF_FIFO_FULL (1 << 30) 233 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_CIF_FIFO_FULL (1 << 29) 234 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_CIF_FIFO_FULL (1 << 28) 235 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_CIF_FIFO_FULL (1 << 27) 236 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_CIF_FIFO_FULL (1 << 26) 237 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_CIF_FIFO_FULL (1 << 25) 238 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_CIF_FIFO_FULL (1 << 24) 239 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_CIF_FIFO_EMPTY (1 << 23) 240 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_CIF_FIFO_EMPTY (1 << 22) 241 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_CIF_FIFO_EMPTY (1 << 21) 242 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_CIF_FIFO_EMPTY (1 << 20) 243 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_CIF_FIFO_EMPTY (1 << 19) 244 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_CIF_FIFO_EMPTY (1 << 18) 245 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_CIF_FIFO_EMPTY (1 << 17) 246 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_CIF_FIFO_EMPTY (1 << 16) 247 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_DMA_FIFO_FULL (1 << 15) 248 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_DMA_FIFO_FULL (1 << 14) 249 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_DMA_FIFO_FULL (1 << 13) 250 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_DMA_FIFO_FULL (1 << 12) 251 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_DMA_FIFO_FULL (1 << 11) 252 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_DMA_FIFO_FULL (1 << 10) 253 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_DMA_FIFO_FULL (1 << 9) 254 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_DMA_FIFO_FULL (1 << 8) 255 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_RX_DMA_FIFO_EMPTY (1 << 7) 256 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH3_TX_DMA_FIFO_EMPTY (1 << 6) 257 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_RX_DMA_FIFO_EMPTY (1 << 5) 258 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH2_TX_DMA_FIFO_EMPTY (1 << 4) 259 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_RX_DMA_FIFO_EMPTY (1 << 3) 260 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH1_TX_DMA_FIFO_EMPTY (1 << 2) 261 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_RX_DMA_FIFO_EMPTY (1 << 1) 262 #define TEGRA30_AHUB_APBDMA_LIVE_STATUS_CH0_TX_DMA_FIFO_EMPTY (1 << 0) 263 264 /* TEGRA30_AHUB_I2S_LIVE_STATUS */ 265 266 #define TEGRA30_AHUB_I2S_LIVE_STATUS 0x8c 267 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_RX_FIFO_FULL (1 << 29) 268 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_TX_FIFO_FULL (1 << 28) 269 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_RX_FIFO_FULL (1 << 27) 270 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_TX_FIFO_FULL (1 << 26) 271 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_RX_FIFO_FULL (1 << 25) 272 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_TX_FIFO_FULL (1 << 24) 273 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_RX_FIFO_FULL (1 << 23) 274 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_TX_FIFO_FULL (1 << 22) 275 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_RX_FIFO_FULL (1 << 21) 276 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_TX_FIFO_FULL (1 << 20) 277 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_RX_FIFO_ENABLED (1 << 19) 278 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_TX_FIFO_ENABLED (1 << 18) 279 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_RX_FIFO_ENABLED (1 << 17) 280 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_TX_FIFO_ENABLED (1 << 16) 281 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_RX_FIFO_ENABLED (1 << 15) 282 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_TX_FIFO_ENABLED (1 << 14) 283 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_RX_FIFO_ENABLED (1 << 13) 284 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_TX_FIFO_ENABLED (1 << 12) 285 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_RX_FIFO_ENABLED (1 << 11) 286 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_TX_FIFO_ENABLED (1 << 10) 287 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_RX_FIFO_EMPTY (1 << 9) 288 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S4_TX_FIFO_EMPTY (1 << 8) 289 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_RX_FIFO_EMPTY (1 << 7) 290 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S3_TX_FIFO_EMPTY (1 << 6) 291 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_RX_FIFO_EMPTY (1 << 5) 292 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S2_TX_FIFO_EMPTY (1 << 4) 293 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_RX_FIFO_EMPTY (1 << 3) 294 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S1_TX_FIFO_EMPTY (1 << 2) 295 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_RX_FIFO_EMPTY (1 << 1) 296 #define TEGRA30_AHUB_I2S_LIVE_STATUS_I2S0_TX_FIFO_EMPTY (1 << 0) 297 298 /* TEGRA30_AHUB_DAM0_LIVE_STATUS */ 299 300 #define TEGRA30_AHUB_DAM_LIVE_STATUS 0x90 301 #define TEGRA30_AHUB_DAM_LIVE_STATUS_STRIDE 0x8 302 #define TEGRA30_AHUB_DAM_LIVE_STATUS_COUNT 3 303 #define TEGRA30_AHUB_DAM_LIVE_STATUS_TX_ENABLED (1 << 26) 304 #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX1_ENABLED (1 << 25) 305 #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX0_ENABLED (1 << 24) 306 #define TEGRA30_AHUB_DAM_LIVE_STATUS_TXFIFO_FULL (1 << 15) 307 #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX1FIFO_FULL (1 << 9) 308 #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX0FIFO_FULL (1 << 8) 309 #define TEGRA30_AHUB_DAM_LIVE_STATUS_TXFIFO_EMPTY (1 << 7) 310 #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX1FIFO_EMPTY (1 << 1) 311 #define TEGRA30_AHUB_DAM_LIVE_STATUS_RX0FIFO_EMPTY (1 << 0) 312 313 /* TEGRA30_AHUB_SPDIF_LIVE_STATUS */ 314 315 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS 0xa8 316 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_TX_ENABLED (1 << 11) 317 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_RX_ENABLED (1 << 10) 318 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_TX_ENABLED (1 << 9) 319 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_RX_ENABLED (1 << 8) 320 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_TXFIFO_FULL (1 << 7) 321 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_RXFIFO_FULL (1 << 6) 322 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_TXFIFO_FULL (1 << 5) 323 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_RXFIFO_FULL (1 << 4) 324 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_TXFIFO_EMPTY (1 << 3) 325 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_USER_RXFIFO_EMPTY (1 << 2) 326 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_TXFIFO_EMPTY (1 << 1) 327 #define TEGRA30_AHUB_SPDIF_LIVE_STATUS_DATA_RXFIFO_EMPTY (1 << 0) 328 329 /* TEGRA30_AHUB_I2S_INT_MASK */ 330 331 #define TEGRA30_AHUB_I2S_INT_MASK 0xb0 332 333 /* TEGRA30_AHUB_DAM_INT_MASK */ 334 335 #define TEGRA30_AHUB_DAM_INT_MASK 0xb4 336 337 /* TEGRA30_AHUB_SPDIF_INT_MASK */ 338 339 #define TEGRA30_AHUB_SPDIF_INT_MASK 0xbc 340 341 /* TEGRA30_AHUB_APBIF_INT_MASK */ 342 343 #define TEGRA30_AHUB_APBIF_INT_MASK 0xc0 344 345 /* TEGRA30_AHUB_I2S_INT_STATUS */ 346 347 #define TEGRA30_AHUB_I2S_INT_STATUS 0xc8 348 349 /* TEGRA30_AHUB_DAM_INT_STATUS */ 350 351 #define TEGRA30_AHUB_DAM_INT_STATUS 0xcc 352 353 /* TEGRA30_AHUB_SPDIF_INT_STATUS */ 354 355 #define TEGRA30_AHUB_SPDIF_INT_STATUS 0xd4 356 357 /* TEGRA30_AHUB_APBIF_INT_STATUS */ 358 359 #define TEGRA30_AHUB_APBIF_INT_STATUS 0xd8 360 361 /* TEGRA30_AHUB_I2S_INT_SOURCE */ 362 363 #define TEGRA30_AHUB_I2S_INT_SOURCE 0xe0 364 365 /* TEGRA30_AHUB_DAM_INT_SOURCE */ 366 367 #define TEGRA30_AHUB_DAM_INT_SOURCE 0xe4 368 369 /* TEGRA30_AHUB_SPDIF_INT_SOURCE */ 370 371 #define TEGRA30_AHUB_SPDIF_INT_SOURCE 0xec 372 373 /* TEGRA30_AHUB_APBIF_INT_SOURCE */ 374 375 #define TEGRA30_AHUB_APBIF_INT_SOURCE 0xf0 376 377 /* TEGRA30_AHUB_I2S_INT_SET */ 378 379 #define TEGRA30_AHUB_I2S_INT_SET 0xf8 380 381 /* TEGRA30_AHUB_DAM_INT_SET */ 382 383 #define TEGRA30_AHUB_DAM_INT_SET 0xfc 384 385 /* TEGRA30_AHUB_SPDIF_INT_SET */ 386 387 #define TEGRA30_AHUB_SPDIF_INT_SET 0x100 388 389 /* TEGRA30_AHUB_APBIF_INT_SET */ 390 391 #define TEGRA30_AHUB_APBIF_INT_SET 0x104 392 393 /* Registers within TEGRA30_AHUB_BASE */ 394 395 #define TEGRA30_AHUB_AUDIO_RX 0x0 396 #define TEGRA30_AHUB_AUDIO_RX_STRIDE 0x4 397 #define TEGRA30_AHUB_AUDIO_RX_COUNT 17 398 /* This register repeats once for each entry in enum tegra30_ahub_rxcif */ 399 /* The fields in this register are 1 bit per entry in tegra30_ahub_txcif */ 400 401 /* 402 * Terminology: 403 * AHUB: Audio Hub; a cross-bar switch between the audio devices: DMA FIFOs, 404 * I2S controllers, SPDIF controllers, and DAMs. 405 * XBAR: The core cross-bar component of the AHUB. 406 * CIF: Client Interface; the HW module connecting an audio device to the 407 * XBAR. 408 * DAM: Digital Audio Mixer: A HW module that mixes multiple audio streams, 409 * possibly including sample-rate conversion. 410 * 411 * Each TX CIF transmits data into the XBAR. Each RX CIF can receive audio 412 * transmitted by a particular TX CIF. 413 * 414 * This driver is currently very simplistic; many HW features are not 415 * exposed; DAMs are not supported, only 16-bit stereo audio is supported, 416 * etc. 417 */ 418 419 enum tegra30_ahub_txcif { 420 TEGRA30_AHUB_TXCIF_APBIF_TX0, 421 TEGRA30_AHUB_TXCIF_APBIF_TX1, 422 TEGRA30_AHUB_TXCIF_APBIF_TX2, 423 TEGRA30_AHUB_TXCIF_APBIF_TX3, 424 TEGRA30_AHUB_TXCIF_I2S0_TX0, 425 TEGRA30_AHUB_TXCIF_I2S1_TX0, 426 TEGRA30_AHUB_TXCIF_I2S2_TX0, 427 TEGRA30_AHUB_TXCIF_I2S3_TX0, 428 TEGRA30_AHUB_TXCIF_I2S4_TX0, 429 TEGRA30_AHUB_TXCIF_DAM0_TX0, 430 TEGRA30_AHUB_TXCIF_DAM1_TX0, 431 TEGRA30_AHUB_TXCIF_DAM2_TX0, 432 TEGRA30_AHUB_TXCIF_SPDIF_TX0, 433 TEGRA30_AHUB_TXCIF_SPDIF_TX1, 434 }; 435 436 enum tegra30_ahub_rxcif { 437 TEGRA30_AHUB_RXCIF_APBIF_RX0, 438 TEGRA30_AHUB_RXCIF_APBIF_RX1, 439 TEGRA30_AHUB_RXcIF_APBIF_RX2, 440 TEGRA30_AHUB_RXCIF_APBIF_RX3, 441 TEGRA30_AHUB_RXCIF_I2S0_RX0, 442 TEGRA30_AHUB_RXCIF_I2S1_RX0, 443 TEGRA30_AHUB_RXCIF_I2S2_RX0, 444 TEGRA30_AHUB_RXCIF_I2S3_RX0, 445 TEGRA30_AHUB_RXCIF_I2S4_RX0, 446 TEGRA30_AHUB_RXCIF_DAM0_RX0, 447 TEGRA30_AHUB_RXCIF_DAM0_RX1, 448 TEGRA30_AHUB_RXCIF_DAM1_RX0, 449 TEGRA30_AHUB_RXCIF_DAM2_RX1, 450 TEGRA30_AHUB_RXCIF_DAM3_RX0, 451 TEGRA30_AHUB_RXCIF_DAM3_RX1, 452 TEGRA30_AHUB_RXCIF_SPDIF_RX0, 453 TEGRA30_AHUB_RXCIF_SPDIF_RX1, 454 }; 455 456 extern int tegra30_ahub_allocate_rx_fifo(enum tegra30_ahub_rxcif *rxcif, 457 char *dmachan, int dmachan_len, 458 dma_addr_t *fiforeg); 459 extern int tegra30_ahub_enable_rx_fifo(enum tegra30_ahub_rxcif rxcif); 460 extern int tegra30_ahub_disable_rx_fifo(enum tegra30_ahub_rxcif rxcif); 461 extern int tegra30_ahub_free_rx_fifo(enum tegra30_ahub_rxcif rxcif); 462 463 extern int tegra30_ahub_allocate_tx_fifo(enum tegra30_ahub_txcif *txcif, 464 char *dmachan, int dmachan_len, 465 dma_addr_t *fiforeg); 466 extern int tegra30_ahub_enable_tx_fifo(enum tegra30_ahub_txcif txcif); 467 extern int tegra30_ahub_disable_tx_fifo(enum tegra30_ahub_txcif txcif); 468 extern int tegra30_ahub_free_tx_fifo(enum tegra30_ahub_txcif txcif); 469 470 extern int tegra30_ahub_set_rx_cif_source(enum tegra30_ahub_rxcif rxcif, 471 enum tegra30_ahub_txcif txcif); 472 extern int tegra30_ahub_unset_rx_cif_source(enum tegra30_ahub_rxcif rxcif); 473 474 struct tegra30_ahub_cif_conf { 475 unsigned int threshold; 476 unsigned int audio_channels; 477 unsigned int client_channels; 478 unsigned int audio_bits; 479 unsigned int client_bits; 480 unsigned int expand; 481 unsigned int stereo_conv; 482 unsigned int replicate; 483 unsigned int direction; 484 unsigned int truncate; 485 unsigned int mono_conv; 486 }; 487 488 void tegra30_ahub_set_cif(struct regmap *regmap, unsigned int reg, 489 struct tegra30_ahub_cif_conf *conf); 490 void tegra124_ahub_set_cif(struct regmap *regmap, unsigned int reg, 491 struct tegra30_ahub_cif_conf *conf); 492 493 struct tegra30_ahub_soc_data { 494 u32 mod_list_mask; 495 void (*set_audio_cif)(struct regmap *regmap, 496 unsigned int reg, 497 struct tegra30_ahub_cif_conf *conf); 498 /* 499 * FIXME: There are many more differences in HW, such as: 500 * - More APBIF channels. 501 * - Extra separate chunks of register address space to represent 502 * the extra APBIF channels. 503 * - More units connected to the AHUB, so that tegra30_ahub_[rt]xcif 504 * need expansion, coupled with there being more defined bits in 505 * the AHUB routing registers. 506 * However, the driver doesn't support those new features yet, so we 507 * don't represent them here yet. 508 */ 509 }; 510 511 struct tegra30_ahub { 512 const struct tegra30_ahub_soc_data *soc_data; 513 struct device *dev; 514 struct clk *clk_d_audio; 515 struct clk *clk_apbif; 516 resource_size_t apbif_addr; 517 struct regmap *regmap_apbif; 518 struct regmap *regmap_ahub; 519 DECLARE_BITMAP(rx_usage, TEGRA30_AHUB_CHANNEL_CTRL_COUNT); 520 DECLARE_BITMAP(tx_usage, TEGRA30_AHUB_CHANNEL_CTRL_COUNT); 521 }; 522 523 #endif 524