/* * tegra20_spdif.h - Definitions for Tegra20 SPDIF driver * * Author: Stephen Warren * Copyright (C) 2011 - NVIDIA, Inc. * * Based on code copyright/by: * Copyright (c) 2008-2009, NVIDIA Corporation * * 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 __TEGRA20_SPDIF_H__ #define __TEGRA20_SPDIF_H__ #include "tegra_pcm.h" /* Offsets from TEGRA_SPDIF_BASE */ #define TEGRA20_SPDIF_CTRL 0x0 #define TEGRA20_SPDIF_STATUS 0x4 #define TEGRA20_SPDIF_STROBE_CTRL 0x8 #define TEGRA20_SPDIF_DATA_FIFO_CSR 0x0C #define TEGRA20_SPDIF_DATA_OUT 0x40 #define TEGRA20_SPDIF_DATA_IN 0x80 #define TEGRA20_SPDIF_CH_STA_RX_A 0x100 #define TEGRA20_SPDIF_CH_STA_RX_B 0x104 #define TEGRA20_SPDIF_CH_STA_RX_C 0x108 #define TEGRA20_SPDIF_CH_STA_RX_D 0x10C #define TEGRA20_SPDIF_CH_STA_RX_E 0x110 #define TEGRA20_SPDIF_CH_STA_RX_F 0x114 #define TEGRA20_SPDIF_CH_STA_TX_A 0x140 #define TEGRA20_SPDIF_CH_STA_TX_B 0x144 #define TEGRA20_SPDIF_CH_STA_TX_C 0x148 #define TEGRA20_SPDIF_CH_STA_TX_D 0x14C #define TEGRA20_SPDIF_CH_STA_TX_E 0x150 #define TEGRA20_SPDIF_CH_STA_TX_F 0x154 #define TEGRA20_SPDIF_USR_STA_RX_A 0x180 #define TEGRA20_SPDIF_USR_DAT_TX_A 0x1C0 /* Fields in TEGRA20_SPDIF_CTRL */ /* Start capturing from 0=right, 1=left channel */ #define TEGRA20_SPDIF_CTRL_CAP_LC (1 << 30) /* SPDIF receiver(RX) enable */ #define TEGRA20_SPDIF_CTRL_RX_EN (1 << 29) /* SPDIF Transmitter(TX) enable */ #define TEGRA20_SPDIF_CTRL_TX_EN (1 << 28) /* Transmit Channel status */ #define TEGRA20_SPDIF_CTRL_TC_EN (1 << 27) /* Transmit user Data */ #define TEGRA20_SPDIF_CTRL_TU_EN (1 << 26) /* Interrupt on transmit error */ #define TEGRA20_SPDIF_CTRL_IE_TXE (1 << 25) /* Interrupt on receive error */ #define TEGRA20_SPDIF_CTRL_IE_RXE (1 << 24) /* Interrupt on invalid preamble */ #define TEGRA20_SPDIF_CTRL_IE_P (1 << 23) /* Interrupt on "B" preamble */ #define TEGRA20_SPDIF_CTRL_IE_B (1 << 22) /* Interrupt when block of channel status received */ #define TEGRA20_SPDIF_CTRL_IE_C (1 << 21) /* Interrupt when a valid information unit (IU) is received */ #define TEGRA20_SPDIF_CTRL_IE_U (1 << 20) /* Interrupt when RX user FIFO attention level is reached */ #define TEGRA20_SPDIF_CTRL_QE_RU (1 << 19) /* Interrupt when TX user FIFO attention level is reached */ #define TEGRA20_SPDIF_CTRL_QE_TU (1 << 18) /* Interrupt when RX data FIFO attention level is reached */ #define TEGRA20_SPDIF_CTRL_QE_RX (1 << 17) /* Interrupt when TX data FIFO attention level is reached */ #define TEGRA20_SPDIF_CTRL_QE_TX (1 << 16) /* Loopback test mode enable */ #define TEGRA20_SPDIF_CTRL_LBK_EN (1 << 15) /* * Pack data mode: * 0 = Single data (16 bit needs to be padded to match the * interface data bit size). * 1 = Packeted left/right channel data into a single word. */ #define TEGRA20_SPDIF_CTRL_PACK (1 << 14) /* * 00 = 16bit data * 01 = 20bit data * 10 = 24bit data * 11 = raw data */ #define TEGRA20_SPDIF_BIT_MODE_16BIT 0 #define TEGRA20_SPDIF_BIT_MODE_20BIT 1 #define TEGRA20_SPDIF_BIT_MODE_24BIT 2 #define TEGRA20_SPDIF_BIT_MODE_RAW 3 #define TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT 12 #define TEGRA20_SPDIF_CTRL_BIT_MODE_MASK (3 << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) #define TEGRA20_SPDIF_CTRL_BIT_MODE_16BIT (TEGRA20_SPDIF_BIT_MODE_16BIT << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) #define TEGRA20_SPDIF_CTRL_BIT_MODE_20BIT (TEGRA20_SPDIF_BIT_MODE_20BIT << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) #define TEGRA20_SPDIF_CTRL_BIT_MODE_24BIT (TEGRA20_SPDIF_BIT_MODE_24BIT << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) #define TEGRA20_SPDIF_CTRL_BIT_MODE_RAW (TEGRA20_SPDIF_BIT_MODE_RAW << TEGRA20_SPDIF_CTRL_BIT_MODE_SHIFT) /* Fields in TEGRA20_SPDIF_STATUS */ /* * Note: IS_P, IS_B, IS_C, and IS_U are sticky bits. Software must * write a 1 to the corresponding bit location to clear the status. */ /* * Receiver(RX) shifter is busy receiving data. * This bit is asserted when the receiver first locked onto the * preamble of the data stream after RX_EN is asserted. This bit is * deasserted when either, * (a) the end of a frame is reached after RX_EN is deeasserted, or * (b) the SPDIF data stream becomes inactive. */ #define TEGRA20_SPDIF_STATUS_RX_BSY (1 << 29) /* * Transmitter(TX) shifter is busy transmitting data. * This bit is asserted when TX_EN is asserted. * This bit is deasserted when the end of a frame is reached after * TX_EN is deasserted. */ #define TEGRA20_SPDIF_STATUS_TX_BSY (1 << 28) /* * TX is busy shifting out channel status. * This bit is asserted when both TX_EN and TC_EN are asserted and * data from CH_STA_TX_A register is loaded into the internal shifter. * This bit is deasserted when either, * (a) the end of a frame is reached after TX_EN is deasserted, or * (b) CH_STA_TX_F register is loaded into the internal shifter. */ #define TEGRA20_SPDIF_STATUS_TC_BSY (1 << 27) /* * TX User data FIFO busy. * This bit is asserted when TX_EN and TXU_EN are asserted and * there's data in the TX user FIFO. This bit is deassert when either, * (a) the end of a frame is reached after TX_EN is deasserted, or * (b) there's no data left in the TX user FIFO. */ #define TEGRA20_SPDIF_STATUS_TU_BSY (1 << 26) /* TX FIFO Underrun error status */ #define TEGRA20_SPDIF_STATUS_TX_ERR (1 << 25) /* RX FIFO Overrun error status */ #define TEGRA20_SPDIF_STATUS_RX_ERR (1 << 24) /* Preamble status: 0=Preamble OK, 1=bad/missing preamble */ #define TEGRA20_SPDIF_STATUS_IS_P (1 << 23) /* B-preamble detection status: 0=not detected, 1=B-preamble detected */ #define TEGRA20_SPDIF_STATUS_IS_B (1 << 22) /* * RX channel block data receive status: * 0=entire block not recieved yet. * 1=received entire block of channel status, */ #define TEGRA20_SPDIF_STATUS_IS_C (1 << 21) /* RX User Data Valid flag: 1=valid IU detected, 0 = no IU detected. */ #define TEGRA20_SPDIF_STATUS_IS_U (1 << 20) /* * RX User FIFO Status: * 1=attention level reached, 0=attention level not reached. */ #define TEGRA20_SPDIF_STATUS_QS_RU (1 << 19) /* * TX User FIFO Status: * 1=attention level reached, 0=attention level not reached. */ #define TEGRA20_SPDIF_STATUS_QS_TU (1 << 18) /* * RX Data FIFO Status: * 1=attention level reached, 0=attention level not reached. */ #define TEGRA20_SPDIF_STATUS_QS_RX (1 << 17) /* * TX Data FIFO Status: * 1=attention level reached, 0=attention level not reached. */ #define TEGRA20_SPDIF_STATUS_QS_TX (1 << 16) /* Fields in TEGRA20_SPDIF_STROBE_CTRL */ /* * Indicates the approximate number of detected SPDIFIN clocks within a * bi-phase period. */ #define TEGRA20_SPDIF_STROBE_CTRL_PERIOD_SHIFT 16 #define TEGRA20_SPDIF_STROBE_CTRL_PERIOD_MASK (0xff << TEGRA20_SPDIF_STROBE_CTRL_PERIOD_SHIFT) /* Data strobe mode: 0=Auto-locked 1=Manual locked */ #define TEGRA20_SPDIF_STROBE_CTRL_STROBE (1 << 15) /* * Manual data strobe time within the bi-phase clock period (in terms of * the number of over-sampling clocks). */ #define TEGRA20_SPDIF_STROBE_CTRL_DATA_STROBES_SHIFT 8 #define TEGRA20_SPDIF_STROBE_CTRL_DATA_STROBES_MASK (0x1f << TEGRA20_SPDIF_STROBE_CTRL_DATA_STROBES_SHIFT) /* * Manual SPDIFIN bi-phase clock period (in terms of the number of * over-sampling clocks). */ #define TEGRA20_SPDIF_STROBE_CTRL_CLOCK_PERIOD_SHIFT 0 #define TEGRA20_SPDIF_STROBE_CTRL_CLOCK_PERIOD_MASK (0x3f << TEGRA20_SPDIF_STROBE_CTRL_CLOCK_PERIOD_SHIFT) /* Fields in SPDIF_DATA_FIFO_CSR */ /* Clear Receiver User FIFO (RX USR.FIFO) */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_CLR (1 << 31) #define TEGRA20_SPDIF_FIFO_ATN_LVL_U_ONE_SLOT 0 #define TEGRA20_SPDIF_FIFO_ATN_LVL_U_TWO_SLOTS 1 #define TEGRA20_SPDIF_FIFO_ATN_LVL_U_THREE_SLOTS 2 #define TEGRA20_SPDIF_FIFO_ATN_LVL_U_FOUR_SLOTS 3 /* RU FIFO attention level */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT 29 #define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_MASK \ (0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU1_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_U_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU2_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_U_TWO_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU3_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_U_THREE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_RU4_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_U_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_ATN_LVL_SHIFT) /* Number of RX USR.FIFO levels with valid data. */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_FULL_COUNT_SHIFT 24 #define TEGRA20_SPDIF_DATA_FIFO_CSR_RU_FULL_COUNT_MASK (0x1f << TEGRA20_SPDIF_DATA_FIFO_CSR_RU_FULL_COUNT_SHIFT) /* Clear Transmitter User FIFO (TX USR.FIFO) */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_CLR (1 << 23) /* TU FIFO attention level */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT 21 #define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_MASK \ (0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU1_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_U_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU2_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_U_TWO_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU3_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_U_THREE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_TU4_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_U_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TU_ATN_LVL_SHIFT) /* Number of TX USR.FIFO levels that could be filled. */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_EMPTY_COUNT_SHIFT 16 #define TEGRA20_SPDIF_DATA_FIFO_CSR_TU_EMPTY_COUNT_MASK (0x1f << SPDIF_DATA_FIFO_CSR_TU_EMPTY_COUNT_SHIFT) /* Clear Receiver Data FIFO (RX DATA.FIFO) */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_CLR (1 << 15) #define TEGRA20_SPDIF_FIFO_ATN_LVL_D_ONE_SLOT 0 #define TEGRA20_SPDIF_FIFO_ATN_LVL_D_FOUR_SLOTS 1 #define TEGRA20_SPDIF_FIFO_ATN_LVL_D_EIGHT_SLOTS 2 #define TEGRA20_SPDIF_FIFO_ATN_LVL_D_TWELVE_SLOT 3 /* RU FIFO attention level */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT 13 #define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_MASK \ (0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU1_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_D_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU4_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_D_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU8_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_D_EIGHT_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_RU12_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_D_TWELVE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_ATN_LVL_SHIFT) /* Number of RX DATA.FIFO levels with valid data. */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_FULL_COUNT_SHIFT 8 #define TEGRA20_SPDIF_DATA_FIFO_CSR_RX_FULL_COUNT_MASK (0x1f << TEGRA20_SPDIF_DATA_FIFO_CSR_RX_FULL_COUNT_SHIFT) /* Clear Transmitter Data FIFO (TX DATA.FIFO) */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_CLR (1 << 7) /* TU FIFO attention level */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT 5 #define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_MASK \ (0x3 << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU1_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_D_ONE_SLOT << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU4_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_D_FOUR_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU8_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_D_EIGHT_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) #define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_TU12_WORD_FULL \ (TEGRA20_SPDIF_FIFO_ATN_LVL_D_TWELVE_SLOTS << TEGRA20_SPDIF_DATA_FIFO_CSR_TX_ATN_LVL_SHIFT) /* Number of TX DATA.FIFO levels that could be filled. */ #define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_EMPTY_COUNT_SHIFT 0 #define TEGRA20_SPDIF_DATA_FIFO_CSR_TX_EMPTY_COUNT_MASK (0x1f << SPDIF_DATA_FIFO_CSR_TX_EMPTY_COUNT_SHIFT) /* Fields in TEGRA20_SPDIF_DATA_OUT */ /* * This register has 5 different formats: * 16-bit (BIT_MODE=00, PACK=0) * 20-bit (BIT_MODE=01, PACK=0) * 24-bit (BIT_MODE=10, PACK=0) * raw (BIT_MODE=11, PACK=0) * 16-bit packed (BIT_MODE=00, PACK=1) */ #define TEGRA20_SPDIF_DATA_OUT_DATA_16_SHIFT 0 #define TEGRA20_SPDIF_DATA_OUT_DATA_16_MASK (0xffff << TEGRA20_SPDIF_DATA_OUT_DATA_16_SHIFT) #define TEGRA20_SPDIF_DATA_OUT_DATA_20_SHIFT 0 #define TEGRA20_SPDIF_DATA_OUT_DATA_20_MASK (0xfffff << TEGRA20_SPDIF_DATA_OUT_DATA_20_SHIFT) #define TEGRA20_SPDIF_DATA_OUT_DATA_24_SHIFT 0 #define TEGRA20_SPDIF_DATA_OUT_DATA_24_MASK (0xffffff << TEGRA20_SPDIF_DATA_OUT_DATA_24_SHIFT) #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_P (1 << 31) #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_C (1 << 30) #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_U (1 << 29) #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_V (1 << 28) #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_DATA_SHIFT 8 #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_DATA_MASK (0xfffff << TEGRA20_SPDIF_DATA_OUT_DATA_RAW_DATA_SHIFT) #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_AUX_SHIFT 4 #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_AUX_MASK (0xf << TEGRA20_SPDIF_DATA_OUT_DATA_RAW_AUX_SHIFT) #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_PREAMBLE_SHIFT 0 #define TEGRA20_SPDIF_DATA_OUT_DATA_RAW_PREAMBLE_MASK (0xf << TEGRA20_SPDIF_DATA_OUT_DATA_RAW_PREAMBLE_SHIFT) #define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_RIGHT_SHIFT 16 #define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_RIGHT_MASK (0xffff << TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_RIGHT_SHIFT) #define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_LEFT_SHIFT 0 #define TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_LEFT_MASK (0xffff << TEGRA20_SPDIF_DATA_OUT_DATA_16_PACKED_LEFT_SHIFT) /* Fields in TEGRA20_SPDIF_DATA_IN */ /* * This register has 5 different formats: * 16-bit (BIT_MODE=00, PACK=0) * 20-bit (BIT_MODE=01, PACK=0) * 24-bit (BIT_MODE=10, PACK=0) * raw (BIT_MODE=11, PACK=0) * 16-bit packed (BIT_MODE=00, PACK=1) * * Bits 31:24 are common to all modes except 16-bit packed */ #define TEGRA20_SPDIF_DATA_IN_DATA_P (1 << 31) #define TEGRA20_SPDIF_DATA_IN_DATA_C (1 << 30) #define TEGRA20_SPDIF_DATA_IN_DATA_U (1 << 29) #define TEGRA20_SPDIF_DATA_IN_DATA_V (1 << 28) #define TEGRA20_SPDIF_DATA_IN_DATA_PREAMBLE_SHIFT 24 #define TEGRA20_SPDIF_DATA_IN_DATA_PREAMBLE_MASK (0xf << TEGRA20_SPDIF_DATA_IN_DATA_PREAMBLE_SHIFT) #define TEGRA20_SPDIF_DATA_IN_DATA_16_SHIFT 0 #define TEGRA20_SPDIF_DATA_IN_DATA_16_MASK (0xffff << TEGRA20_SPDIF_DATA_IN_DATA_16_SHIFT) #define TEGRA20_SPDIF_DATA_IN_DATA_20_SHIFT 0 #define TEGRA20_SPDIF_DATA_IN_DATA_20_MASK (0xfffff << TEGRA20_SPDIF_DATA_IN_DATA_20_SHIFT) #define TEGRA20_SPDIF_DATA_IN_DATA_24_SHIFT 0 #define TEGRA20_SPDIF_DATA_IN_DATA_24_MASK (0xffffff << TEGRA20_SPDIF_DATA_IN_DATA_24_SHIFT) #define TEGRA20_SPDIF_DATA_IN_DATA_RAW_DATA_SHIFT 8 #define TEGRA20_SPDIF_DATA_IN_DATA_RAW_DATA_MASK (0xfffff << TEGRA20_SPDIF_DATA_IN_DATA_RAW_DATA_SHIFT) #define TEGRA20_SPDIF_DATA_IN_DATA_RAW_AUX_SHIFT 4 #define TEGRA20_SPDIF_DATA_IN_DATA_RAW_AUX_MASK (0xf << TEGRA20_SPDIF_DATA_IN_DATA_RAW_AUX_SHIFT) #define TEGRA20_SPDIF_DATA_IN_DATA_RAW_PREAMBLE_SHIFT 0 #define TEGRA20_SPDIF_DATA_IN_DATA_RAW_PREAMBLE_MASK (0xf << TEGRA20_SPDIF_DATA_IN_DATA_RAW_PREAMBLE_SHIFT) #define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_RIGHT_SHIFT 16 #define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_RIGHT_MASK (0xffff << TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_RIGHT_SHIFT) #define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_LEFT_SHIFT 0 #define TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_LEFT_MASK (0xffff << TEGRA20_SPDIF_DATA_IN_DATA_16_PACKED_LEFT_SHIFT) /* Fields in TEGRA20_SPDIF_CH_STA_RX_A */ /* Fields in TEGRA20_SPDIF_CH_STA_RX_B */ /* Fields in TEGRA20_SPDIF_CH_STA_RX_C */ /* Fields in TEGRA20_SPDIF_CH_STA_RX_D */ /* Fields in TEGRA20_SPDIF_CH_STA_RX_E */ /* Fields in TEGRA20_SPDIF_CH_STA_RX_F */ /* * The 6-word receive channel data page buffer holds a block (192 frames) of * channel status information. The order of receive is from LSB to MSB * bit, and from CH_STA_RX_A to CH_STA_RX_F then back to CH_STA_RX_A. */ /* Fields in TEGRA20_SPDIF_CH_STA_TX_A */ #define TEGRA20_SPDIF_CH_STA_TX_A_SF_22050 0x4 #define TEGRA20_SPDIF_CH_STA_TX_A_SF_24000 0x6 #define TEGRA20_SPDIF_CH_STA_TX_A_SF_32000 0x3 #define TEGRA20_SPDIF_CH_STA_TX_A_SF_44100 0x0 #define TEGRA20_SPDIF_CH_STA_TX_A_SF_48000 0x2 #define TEGRA20_SPDIF_CH_STA_TX_A_SF_88200 0x8 #define TEGRA20_SPDIF_CH_STA_TX_A_SF_96000 0xA #define TEGRA20_SPDIF_CH_STA_TX_A_SF_176400 0xC #define TEGRA20_SPDIF_CH_STA_TX_A_SF_192000 0xE #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT 24 #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_MASK \ (0xF << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_22050 \ (TEGRA20_SPDIF_CH_STA_TX_A_SF_22050 << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_24000 \ (TEGRA20_SPDIF_CH_STA_TX_A_SF_24000 << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_32000 \ (TEGRA20_SPDIF_CH_STA_TX_A_SF_32000 << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_44100 \ (TEGRA20_SPDIF_CH_STA_TX_A_SF_44100 << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_48000 \ (TEGRA20_SPDIF_CH_STA_TX_A_SF_48000 << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_88200 \ (TEGRA20_SPDIF_CH_STA_TX_A_SF_88200 << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_96000 \ (TEGRA20_SPDIF_CH_STA_TX_A_SF_96000 << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_176400 \ (TEGRA20_SPDIF_CH_STA_TX_A_SF_176400 << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_192000 \ (TEGRA20_SPDIF_CH_STA_TX_A_SF_192000 << TEGRA20_SPDIF_CH_STA_TX_A_SAMP_FREQ_SHIFT) /* Fields in TEGRA20_SPDIF_CH_STA_TX_B */ #define TEGRA20_SPDIF_CH_STA_TX_B_SF_8000 0x6 #define TEGRA20_SPDIF_CH_STA_TX_B_SF_11025 0xA #define TEGRA20_SPDIF_CH_STA_TX_B_SF_12000 0x2 #define TEGRA20_SPDIF_CH_STA_TX_B_SF_16000 0x8 #define TEGRA20_SPDIF_CH_STA_TX_B_SF_22050 0xB #define TEGRA20_SPDIF_CH_STA_TX_B_SF_24000 0x9 #define TEGRA20_SPDIF_CH_STA_TX_B_SF_32000 0xC #define TEGRA20_SPDIF_CH_STA_TX_B_SF_44100 0xF #define TEGRA20_SPDIF_CH_STA_TX_B_SF_48000 0xD #define TEGRA20_SPDIF_CH_STA_TX_B_SF_88200 0x7 #define TEGRA20_SPDIF_CH_STA_TX_B_SF_96000 0x5 #define TEGRA20_SPDIF_CH_STA_TX_B_SF_176400 0x3 #define TEGRA20_SPDIF_CH_STA_TX_B_SF_192000 0x1 #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT 4 #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_MASK \ (0xF << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_8000 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_8000 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_11025 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_11025 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_12000 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_12000 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_16000 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_16000 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_22050 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_22025 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_24000 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_24000 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_32000 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_32000 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_44100 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_44100 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_48000 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_48000 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_88200 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_88200 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_96000 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_96000 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_176400 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_176400 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) #define TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_192000 \ (TEGRA20_SPDIF_CH_STA_TX_B_SF_192000 << TEGRA20_SPDIF_CH_STA_TX_B_ORIG_SAMP_FREQ_SHIFT) /* Fields in TEGRA20_SPDIF_CH_STA_TX_C */ /* Fields in TEGRA20_SPDIF_CH_STA_TX_D */ /* Fields in TEGRA20_SPDIF_CH_STA_TX_E */ /* Fields in TEGRA20_SPDIF_CH_STA_TX_F */ /* * The 6-word transmit channel data page buffer holds a block (192 frames) of * channel status information. The order of transmission is from LSB to MSB * bit, and from CH_STA_TX_A to CH_STA_TX_F then back to CH_STA_TX_A. */ /* Fields in TEGRA20_SPDIF_USR_STA_RX_A */ /* * This 4-word deep FIFO receives user FIFO field information. The order of * receive is from LSB to MSB bit. */ /* Fields in TEGRA20_SPDIF_USR_DAT_TX_A */ /* * This 4-word deep FIFO transmits user FIFO field information. The order of * transmission is from LSB to MSB bit. */ #ifdef CONFIG_PM #define TEGRA20_SPDIF_CTRL_CACHE_SIZE ((TEGRA20_SPDIF_DATA_FIFO_CSR >> 2) + 1) #define TEGRA20_SPDIF_TX_CACHE_SIZE (((TEGRA20_SPDIF_CH_STA_TX_F - TEGRA20_SPDIF_CH_STA_TX_A) >> 2) + 1) #endif struct tegra20_spdif { struct clk *clk_spdif_out; struct tegra_pcm_dma_params capture_dma_data; struct tegra_pcm_dma_params playback_dma_data; void __iomem *regs; struct dentry *debug; u32 reg_ctrl; #ifdef CONFIG_PM u32 reg_ctrl_cache[TEGRA20_SPDIF_CTRL_CACHE_SIZE]; u32 reg_tx_cache[TEGRA20_SPDIF_TX_CACHE_SIZE]; #endif }; #endif