1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * tegra20_spdif.h - Definitions for Tegra20 SPDIF driver 4 * 5 * Author: Stephen Warren <swarren@nvidia.com> 6 * Copyright (C) 2011 - NVIDIA, Inc. 7 * 8 * Based on code copyright/by: 9 * Copyright (c) 2008-2009, NVIDIA Corporation 10 */ 11 12#ifndef __TEGRA20_SPDIF_H__ 13#define __TEGRA20_SPDIF_H__ 14 15#include "tegra_pcm.h" 16 17/* Offsets from TEGRA20_SPDIF_BASE */ 18 19#define TEGRA20_SPDIF_CTRL 0x0 20#define TEGRA20_SPDIF_STATUS 0x4 21#define TEGRA20_SPDIF_STROBE_CTRL 0x8 22#define TEGRA20_SPDIF_DATA_FIFO_CSR 0x0C 23#define TEGRA20_SPDIF_DATA_OUT 0x40 24#define TEGRA20_SPDIF_DATA_IN 0x80 25#define TEGRA20_SPDIF_CH_STA_RX_A 0x100 26#define TEGRA20_SPDIF_CH_STA_RX_B 0x104 27#define TEGRA20_SPDIF_CH_STA_RX_C 0x108 28#define TEGRA20_SPDIF_CH_STA_RX_D 0x10C 29#define TEGRA20_SPDIF_CH_STA_RX_E 0x110 30#define TEGRA20_SPDIF_CH_STA_RX_F 0x114 31#define TEGRA20_SPDIF_CH_STA_TX_A 0x140 32#define TEGRA20_SPDIF_CH_STA_TX_B 0x144 33#define TEGRA20_SPDIF_CH_STA_TX_C 0x148 34#define TEGRA20_SPDIF_CH_STA_TX_D 0x14C 35#define TEGRA20_SPDIF_CH_STA_TX_E 0x150 36#define TEGRA20_SPDIF_CH_STA_TX_F 0x154 37#define TEGRA20_SPDIF_USR_STA_RX_A 0x180 38#define TEGRA20_SPDIF_USR_DAT_TX_A 0x1C0 39 40/* Fields in TEGRA20_SPDIF_CTRL */ 41 42/* Start capturing from 0=right, 1=left channel */ 43#define TEGRA20_SPDIF_CTRL_CAP_LC (1 << 30) 44 45/* SPDIF receiver(RX) enable */ 46#define TEGRA20_SPDIF_CTRL_RX_EN (1 << 29) 47 48/* SPDIF Transmitter(TX) enable */ 49#define TEGRA20_SPDIF_CTRL_TX_EN (1 << 28) 50 51/* Transmit Channel status */ 52#define TEGRA20_SPDIF_CTRL_TC_EN (1 << 27) 53 54/* Transmit user Data */ 55#define TEGRA20_SPDIF_CTRL_TU_EN (1 << 26) 56 57/* Interrupt on transmit error */ 58#define TEGRA20_SPDIF_CTRL_IE_TXE (1 << 25) 59 60/* Interrupt on receive error */ 61#define TEGRA20_SPDIF_CTRL_IE_RXE (1 << 24) 62 63/* Interrupt on invalid preamble */ 64#define TEGRA20_SPDIF_CTRL_IE_P (1 << 23) 65 66/* Interrupt on "B" preamble */ 67#define TEGRA20_SPDIF_CTRL_IE_B (1 << 22) 68 69/* Interrupt when block of channel status received */ 70#define TEGRA20_SPDIF_CTRL_IE_C (1 << 21) 71 72/* Interrupt when a valid information unit (IU) is received */ 73#define TEGRA20_SPDIF_CTRL_IE_U (1 << 20) 74 75/* Interrupt when RX user FIFO attention level is reached */ 76#define TEGRA20_SPDIF_CTRL_QE_RU (1 << 19) 77 78/* Interrupt when TX user FIFO attention level is reached */ 79#define TEGRA20_SPDIF_CTRL_QE_TU (1 << 18) 80 81/* Interrupt when RX data FIFO attention level is reached */ 82#define TEGRA20_SPDIF_CTRL_QE_RX (1 << 17) 83 84/* Interrupt when TX data FIFO attention level is reached */ 85#define TEGRA20_SPDIF_CTRL_QE_TX (1 << 16) 86 87/* Loopback test mode enable */ 88#define TEGRA20_SPDIF_CTRL_LBK_EN (1 << 15) 89 90/* 91 * Pack data mode: 92 * 0 = Single data (16 bit needs to be padded to match the 93 * interface data bit size). 94 * 1 = Packeted left/right channel data into a single word. 95 */ 96#define TEGRA20_SPDIF_CTRL_PACK (1 << 14) 97 98/* 99 * 00 = 16bit data 100 * 01 = 20bit data 101 * 10 = 24bit data 102 * 11 = raw data 103 */ 104#define TEGRA20_SPDIF_BIT_MODE_16BIT 0 105#define TEGRA20_SPDIF_BIT_MODE_20BIT 1 106#define TEGRA20_SPDIF_BIT_MODE_24BIT 2 107#define TEGRA20_SPDIF_BIT_MODE_RAW 3 108 109#define TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT 12 110#define TEGRA20_SPDIF_CTRL_BIT_MODE_MASK (3 << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) 111#define TEGRA20_SPDIF_CTRL_BIT_MODE_16BIT (TEGRA20_SPDIF_BIT_MODE_16BIT << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) 112#define TEGRA20_SPDIF_CTRL_BIT_MODE_20BIT (TEGRA20_SPDIF_BIT_MODE_20BIT << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) 113#define TEGRA20_SPDIF_CTRL_BIT_MODE_24BIT (TEGRA20_SPDIF_BIT_MODE_24BIT << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) 114#define TEGRA20_SPDIF_CTRL_BIT_MODE_RAW (TEGRA20_SPDIF_BIT_MODE_RAW << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) 115 116/* Fields in TEGRA20_SPDIF_STATUS */ 117 118/* 119 * Note: IS_P, IS_B, IS_C, and IS_U are sticky bits. Software must 120 * write a 1 to the corresponding bit location to clear the status. 121 */ 122 123/* 124 * Receiver(RX) shifter is busy receiving data. 125 * This bit is asserted when the receiver first locked onto the 126 * preamble of the data stream after RX_EN is asserted. This bit is 127 * deasserted when either, 128 * (a) the end of a frame is reached after RX_EN is deeasserted, or 129 * (b) the SPDIF data stream becomes inactive. 130 */ 131#define TEGRA20_SPDIF_STATUS_RX_BSY (1 << 29) 132 133/* 134 * Transmitter(TX) shifter is busy transmitting data. 135 * This bit is asserted when TX_EN is asserted. 136 * This bit is deasserted when the end of a frame is reached after 137 * TX_EN is deasserted. 138 */ 139#define TEGRA20_SPDIF_STATUS_TX_BSY (1 << 28) 140 141/* 142 * TX is busy shifting out channel status. 143 * This bit is asserted when both TX_EN and TC_EN are asserted and 144 * data from CH_STA_TX_A register is loaded into the internal shifter. 145 * This bit is deasserted when either, 146 * (a) the end of a frame is reached after TX_EN is deasserted, or 147 * (b) CH_STA_TX_F register is loaded into the internal shifter. 148 */ 149#define TEGRA20_SPDIF_STATUS_TC_BSY (1 << 27) 150 151/* 152 * TX User data FIFO busy. 153 * This bit is asserted when TX_EN and TXU_EN are asserted and 154 * there's data in the TX user FIFO. This bit is deassert when either, 155 * (a) the end of a frame is reached after TX_EN is deasserted, or 156 * (b) there's no data left in the TX user FIFO. 157 */ 158#define TEGRA20_SPDIF_STATUS_TU_BSY (1 << 26) 159 160/* TX FIFO Underrun error status */ 161#define TEGRA20_SPDIF_STATUS_TX_ERR (1 << 25) 162 163/* RX FIFO Overrun error status */ 164#define TEGRA20_SPDIF_STATUS_RX_ERR (1 << 24) 165 166/* Preamble status: 0=Preamble OK, 1=bad/missing preamble */ 167#define TEGRA20_SPDIF_STATUS_IS_P (1 << 23) 168 169/* B-preamble detection status: 0=not detected, 1=B-preamble detected */ 170#define TEGRA20_SPDIF_STATUS_IS_B (1 << 22) 171 172/* 173 * RX channel block data receive status: 174 * 0=entire block not recieved yet. 175 * 1=received entire block of channel status, 176 */ 177#define TEGRA20_SPDIF_STATUS_IS_C (1 << 21) 178 179/* RX User Data Valid flag: 1=valid IU detected, 0 = no IU detected. */ 180#define TEGRA20_SPDIF_STATUS_IS_U (1 << 20) 181 182/* 183 * RX User FIFO Status: 184 * 1=attention level reached, 0=attention level not reached. 185 */ 186#define TEGRA20_SPDIF_STATUS_QS_RU (1 << 19) 187 188/* 189 * TX User FIFO Status: 190 * 1=attention level reached, 0=attention level not reached. 191 */ 192#define TEGRA20_SPDIF_STATUS_QS_TU (1 << 18) 193 194/* 195 * RX Data FIFO Status: 196 * 1=attention level reached, 0=attention level not reached. 197 */ 198#define TEGRA20_SPDIF_STATUS_QS_RX (1 << 17) 199 200/* 201 * TX Data FIFO Status: 202 * 1=attention level reached, 0=attention level not reached. 203 */ 204#define TEGRA20_SPDIF_STATUS_QS_TX (1 << 16) 205 206/* Fields in TEGRA20_SPDIF_STROBE_CTRL */ 207 208/* 209 * Indicates the approximate number of detected SPDIFIN clocks within a 210 * bi-phase period. 211 */ 212#define TEGRA20_SPDIF_STROBE_CTRL_PERIOD_SHIFT 16 213#define TEGRA20_SPDIF_STROBE_CTRL_PERIOD_MASK (0xff << TEGRA20_SPDIF_STROBE_CTRL_PERIOD_SHIFT) 214 215/* Data strobe mode: 0=Auto-locked 1=Manual locked */ 216#define TEGRA20_SPDIF_STROBE_CTRL_STROBE (1 << 15) 217 218/* 219 * Manual data strobe time within the bi-phase clock period (in terms of 220 * the number of over-sampling clocks). 221 */ 222#define TEGRA20_SPDIF_STROBE_CTRL_DATA_STROBES_SHIFT 8 223#define TEGRA20_SPDIF_STROBE_CTRL_DATA_STROBES_MASK (0x1f << TEGRA20_SPDIF_STROBE_CTRL_DATA_STROBES_SHIFT) 224 225/* 226 * Manual SPDIFIN bi-phase clock period (in terms of the number of 227 * over-sampling clocks). 228 */ 229#define TEGRA20_SPDIF_STROBE_CTRL_CLOCK_PERIOD_SHIFT 0 230#define TEGRA20_SPDIF_STROBE_CTRL_CLOCK_PERIOD_MASK (0x3f << TEGRA20_SPDIF_STROBE_CTRL_CLOCK_PERIOD_SHIFT) 231 232/* Fields in SPDIF_DATA_FIFO_CSR */ 233 234/* Clear Receiver User FIFO (RX USR.FIFO) */ 235#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_CLR (1 << 31) 236 237#define TEGRA20_SPDIF_FIFO_ATN_LVL_U_ONE_SLOT 0 238#define TEGRA20_SPDIF_FIFO_ATN_LVL_U_TWO_SLOTS 1 239#define TEGRA20_SPDIF_FIFO_ATN_LVL_U_THREE_SLOTS 2 240#define TEGRA20_SPDIF_FIFO_ATN_LVL_U_FOUR_SLOTS 3 241 242/* RU FIFO attention level */ 243#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT 29 244#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_MASK \ 245 (0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) 246#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU1_WORD_FULL \ 247 (TEGRA20_SPDIF_FIFO_ATN_LVL_U_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) 248#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU2_WORD_FULL \ 249 (TEGRA20_SPDIF_FIFO_ATN_LVL_U_TWO_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) 250#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU3_WORD_FULL \ 251 (TEGRA20_SPDIF_FIFO_ATN_LVL_U_THREE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) 252#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU4_WORD_FULL \ 253 (TEGRA20_SPDIF_FIFO_ATN_LVL_U_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) 254 255/* Number of RX USR.FIFO levels with valid data. */ 256#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_FULL_COUNT_SHIFT 24 257#define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_FULL_COUNT_MASK (0x1f << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_FULL_COUNT_SHIFT) 258 259/* Clear Transmitter User FIFO (TX USR.FIFO) */ 260#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_CLR (1 << 23) 261 262/* TU FIFO attention level */ 263#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT 21 264#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_MASK \ 265 (0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) 266#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU1_WORD_FULL \ 267 (TEGRA20_SPDIF_FIFO_ATN_LVL_U_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) 268#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU2_WORD_FULL \ 269 (TEGRA20_SPDIF_FIFO_ATN_LVL_U_TWO_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) 270#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU3_WORD_FULL \ 271 (TEGRA20_SPDIF_FIFO_ATN_LVL_U_THREE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) 272#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU4_WORD_FULL \ 273 (TEGRA20_SPDIF_FIFO_ATN_LVL_U_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) 274 275/* Number of TX USR.FIFO levels that could be filled. */ 276#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_EMPTY_COUNT_SHIFT 16 277#define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_EMPTY_COUNT_MASK (0x1f << SPDIF_DATA_FIFO_CSR_TU_EMPTY_COUNT_SHIFT) 278 279/* Clear Receiver Data FIFO (RX DATA.FIFO) */ 280#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_CLR (1 << 15) 281 282#define TEGRA20_SPDIF_FIFO_ATN_LVL_D_ONE_SLOT 0 283#define TEGRA20_SPDIF_FIFO_ATN_LVL_D_FOUR_SLOTS 1 284#define TEGRA20_SPDIF_FIFO_ATN_LVL_D_EIGHT_SLOTS 2 285#define TEGRA20_SPDIF_FIFO_ATN_LVL_D_TWELVE_SLOTS 3 286 287/* RU FIFO attention level */ 288#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT 13 289#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_MASK \ 290 (0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) 291#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU1_WORD_FULL \ 292 (TEGRA20_SPDIF_FIFO_ATN_LVL_D_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) 293#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU4_WORD_FULL \ 294 (TEGRA20_SPDIF_FIFO_ATN_LVL_D_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) 295#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU8_WORD_FULL \ 296 (TEGRA20_SPDIF_FIFO_ATN_LVL_D_EIGHT_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) 297#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU12_WORD_FULL \ 298 (TEGRA20_SPDIF_FIFO_ATN_LVL_D_TWELVE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) 299 300/* Number of RX DATA.FIFO levels with valid data. */ 301#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_FULL_COUNT_SHIFT 8 302#define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_FULL_COUNT_MASK (0x1f << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_FULL_COUNT_SHIFT) 303 304/* Clear Transmitter Data FIFO (TX DATA.FIFO) */ 305#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_CLR (1 << 7) 306 307/* TU FIFO attention level */ 308#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT 5 309#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_MASK \ 310 (0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) 311#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU1_WORD_FULL \ 312 (TEGRA20_SPDIF_FIFO_ATN_LVL_D_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) 313#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU4_WORD_FULL \ 314 (TEGRA20_SPDIF_FIFO_ATN_LVL_D_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) 315#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU8_WORD_FULL \ 316 (TEGRA20_SPDIF_FIFO_ATN_LVL_D_EIGHT_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) 317#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU12_WORD_FULL \ 318 (TEGRA20_SPDIF_FIFO_ATN_LVL_D_TWELVE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) 319 320/* Number of TX DATA.FIFO levels that could be filled. */ 321#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_EMPTY_COUNT_SHIFT 0 322#define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_EMPTY_COUNT_MASK (0x1f << SPDIF_DATA_FIFO_CSR_TX_EMPTY_COUNT_SHIFT) 323 324/* Fields in TEGRA20_SPDIF_DATA_OUT */ 325 326/* 327 * This register has 5 different formats: 328 * 16-bit (BIT_MODE=00, PACK=0) 329 * 20-bit (BIT_MODE=01, PACK=0) 330 * 24-bit (BIT_MODE=10, PACK=0) 331 * raw (BIT_MODE=11, PACK=0) 332 * 16-bit packed (BIT_MODE=00, PACK=1) 333 */ 334 335#define TEGRA20_SPDIF_DATA_OUT_DATA_16_SHIFT 0 336#define TEGRA20_SPDIF_DATA_OUT_DATA_16_MASK (0xffff << TEGRA20_SPDIF_DATA_OUT_DATA_16_SHIFT) 337 338#define TEGRA20_SPDIF_DATA_OUT_DATA_20_SHIFT 0 339#define TEGRA20_SPDIF_DATA_OUT_DATA_20_MASK (0xfffff << TEGRA20_SPDIF_DATA_OUT_DATA_20_SHIFT) 340 341#define TEGRA20_SPDIF_DATA_OUT_DATA_24_SHIFT 0 342#define TEGRA20_SPDIF_DATA_OUT_DATA_24_MASK (0xffffff << TEGRA20_SPDIF_DATA_OUT_DATA_24_SHIFT) 343 344#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_P (1 << 31) 345#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_C (1 << 30) 346#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_U (1 << 29) 347#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_V (1 << 28) 348 349#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_DATA_SHIFT 8 350#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_DATA_MASK (0xfffff << TEGRA20_SPDIF_DATA_OUT_DATA_RAW_DATA_SHIFT) 351 352#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_AUX_SHIFT 4 353#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_AUX_MASK (0xf << TEGRA20_SPDIF_DATA_OUT_DATA_RAW_AUX_SHIFT) 354 355#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_PREAMBLE_SHIFT 0 356#define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_PREAMBLE_MASK (0xf << TEGRA20_SPDIF_DATA_OUT_DATA_RAW_PREAMBLE_SHIFT) 357 358#define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_RIGHT_SHIFT 16 359#define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_RIGHT_MASK (0xffff << TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_RIGHT_SHIFT) 360 361#define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_LEFT_SHIFT 0 362#define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_LEFT_MASK (0xffff << TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_LEFT_SHIFT) 363 364/* Fields in TEGRA20_SPDIF_DATA_IN */ 365 366/* 367 * This register has 5 different formats: 368 * 16-bit (BIT_MODE=00, PACK=0) 369 * 20-bit (BIT_MODE=01, PACK=0) 370 * 24-bit (BIT_MODE=10, PACK=0) 371 * raw (BIT_MODE=11, PACK=0) 372 * 16-bit packed (BIT_MODE=00, PACK=1) 373 * 374 * Bits 31:24 are common to all modes except 16-bit packed 375 */ 376 377#define TEGRA20_SPDIF_DATA_IN_DATA_P (1 << 31) 378#define TEGRA20_SPDIF_DATA_IN_DATA_C (1 << 30) 379#define TEGRA20_SPDIF_DATA_IN_DATA_U (1 << 29) 380#define TEGRA20_SPDIF_DATA_IN_DATA_V (1 << 28) 381 382#define TEGRA20_SPDIF_DATA_IN_DATA_PREAMBLE_SHIFT 24 383#define TEGRA20_SPDIF_DATA_IN_DATA_PREAMBLE_MASK (0xf << TEGRA20_SPDIF_DATA_IN_DATA_PREAMBLE_SHIFT) 384 385#define TEGRA20_SPDIF_DATA_IN_DATA_16_SHIFT 0 386#define TEGRA20_SPDIF_DATA_IN_DATA_16_MASK (0xffff << TEGRA20_SPDIF_DATA_IN_DATA_16_SHIFT) 387 388#define TEGRA20_SPDIF_DATA_IN_DATA_20_SHIFT 0 389#define TEGRA20_SPDIF_DATA_IN_DATA_20_MASK (0xfffff << TEGRA20_SPDIF_DATA_IN_DATA_20_SHIFT) 390 391#define TEGRA20_SPDIF_DATA_IN_DATA_24_SHIFT 0 392#define TEGRA20_SPDIF_DATA_IN_DATA_24_MASK (0xffffff << TEGRA20_SPDIF_DATA_IN_DATA_24_SHIFT) 393 394#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_DATA_SHIFT 8 395#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_DATA_MASK (0xfffff << TEGRA20_SPDIF_DATA_IN_DATA_RAW_DATA_SHIFT) 396 397#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_AUX_SHIFT 4 398#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_AUX_MASK (0xf << TEGRA20_SPDIF_DATA_IN_DATA_RAW_AUX_SHIFT) 399 400#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_PREAMBLE_SHIFT 0 401#define TEGRA20_SPDIF_DATA_IN_DATA_RAW_PREAMBLE_MASK (0xf << TEGRA20_SPDIF_DATA_IN_DATA_RAW_PREAMBLE_SHIFT) 402 403#define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_RIGHT_SHIFT 16 404#define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_RIGHT_MASK (0xffff << TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_RIGHT_SHIFT) 405 406#define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_LEFT_SHIFT 0 407#define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_LEFT_MASK (0xffff << TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_LEFT_SHIFT) 408 409/* Fields in TEGRA20_SPDIF_CH_STA_RX_A */ 410/* Fields in TEGRA20_SPDIF_CH_STA_RX_B */ 411/* Fields in TEGRA20_SPDIF_CH_STA_RX_C */ 412/* Fields in TEGRA20_SPDIF_CH_STA_RX_D */ 413/* Fields in TEGRA20_SPDIF_CH_STA_RX_E */ 414/* Fields in TEGRA20_SPDIF_CH_STA_RX_F */ 415 416/* 417 * The 6-word receive channel data page buffer holds a block (192 frames) of 418 * channel status information. The order of receive is from LSB to MSB 419 * bit, and from CH_STA_RX_A to CH_STA_RX_F then back to CH_STA_RX_A. 420 */ 421 422/* Fields in TEGRA20_SPDIF_CH_STA_TX_A */ 423/* Fields in TEGRA20_SPDIF_CH_STA_TX_B */ 424/* Fields in TEGRA20_SPDIF_CH_STA_TX_C */ 425/* Fields in TEGRA20_SPDIF_CH_STA_TX_D */ 426/* Fields in TEGRA20_SPDIF_CH_STA_TX_E */ 427/* Fields in TEGRA20_SPDIF_CH_STA_TX_F */ 428 429/* 430 * The 6-word transmit channel data page buffer holds a block (192 frames) of 431 * channel status information. The order of transmission is from LSB to MSB 432 * bit, and from CH_STA_TX_A to CH_STA_TX_F then back to CH_STA_TX_A. 433 */ 434 435/* Fields in TEGRA20_SPDIF_USR_STA_RX_A */ 436 437/* 438 * This 4-word deep FIFO receives user FIFO field information. The order of 439 * receive is from LSB to MSB bit. 440 */ 441 442/* Fields in TEGRA20_SPDIF_USR_DAT_TX_A */ 443 444/* 445 * This 4-word deep FIFO transmits user FIFO field information. The order of 446 * transmission is from LSB to MSB bit. 447 */ 448 449struct tegra20_spdif { 450 struct clk *clk_spdif_out; 451 struct snd_dmaengine_dai_dma_data capture_dma_data; 452 struct snd_dmaengine_dai_dma_data playback_dma_data; 453 struct regmap *regmap; 454 struct reset_control *reset; 455}; 456 457#endif 458