/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* hd64572.h Description of the Hitachi HD64572 (SCA-II), valid for
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* CPU modes 0 & 2.
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*
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* Author: Ivan Passos <ivan@cyclades.com>
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*
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* Copyright: (c) 2000-2001 Cyclades Corp.
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*
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* $Log: hd64572.h,v $
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* Revision 3.1 2001/06/15 12:41:10 regina
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* upping major version number
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*
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* Revision 1.1.1.1 2001/06/13 20:24:49 daniela
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* PC300 initial CVS version (3.4.0-pre1)
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*
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* Revision 1.0 2000/01/25 ivan
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* Initial version.
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*/
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#ifndef __HD64572_H
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#define __HD64572_H
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/* Illegal Access Register */
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#define ILAR 0x00
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/* Wait Controller Registers */
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#define PABR0L 0x20 /* Physical Addr Boundary Register 0 L */
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#define PABR0H 0x21 /* Physical Addr Boundary Register 0 H */
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#define PABR1L 0x22 /* Physical Addr Boundary Register 1 L */
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#define PABR1H 0x23 /* Physical Addr Boundary Register 1 H */
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#define WCRL 0x24 /* Wait Control Register L */
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#define WCRM 0x25 /* Wait Control Register M */
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#define WCRH 0x26 /* Wait Control Register H */
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/* Interrupt Registers */
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#define IVR 0x60 /* Interrupt Vector Register */
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#define IMVR 0x64 /* Interrupt Modified Vector Register */
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#define ITCR 0x68 /* Interrupt Control Register */
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#define ISR0 0x6c /* Interrupt Status Register 0 */
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#define ISR1 0x70 /* Interrupt Status Register 1 */
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#define IER0 0x74 /* Interrupt Enable Register 0 */
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#define IER1 0x78 /* Interrupt Enable Register 1 */
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/* Register Access Macros (chan is 0 or 1 in _any_ case) */
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#define M_REG(reg, chan) (reg + 0x80*chan) /* MSCI */
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#define DRX_REG(reg, chan) (reg + 0x40*chan) /* DMA Rx */
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#define DTX_REG(reg, chan) (reg + 0x20*(2*chan + 1)) /* DMA Tx */
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#define TRX_REG(reg, chan) (reg + 0x20*chan) /* Timer Rx */
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#define TTX_REG(reg, chan) (reg + 0x10*(2*chan + 1)) /* Timer Tx */
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#define ST_REG(reg, chan) (reg + 0x80*chan) /* Status Cnt */
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#define IR0_DRX(val, chan) ((val)<<(8*(chan))) /* Int DMA Rx */
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#define IR0_DTX(val, chan) ((val)<<(4*(2*chan + 1))) /* Int DMA Tx */
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#define IR0_M(val, chan) ((val)<<(8*(chan))) /* Int MSCI */
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/* MSCI Channel Registers */
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#define MSCI0_OFFSET 0x00
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#define MSCI1_OFFSET 0x80
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#define MD0 0x138 /* Mode reg 0 */
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#define MD1 0x139 /* Mode reg 1 */
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#define MD2 0x13a /* Mode reg 2 */
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#define MD3 0x13b /* Mode reg 3 */
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#define CTL 0x130 /* Control reg */
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#define RXS 0x13c /* RX clock source */
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#define TXS 0x13d /* TX clock source */
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#define EXS 0x13e /* External clock input selection */
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#define TMCT 0x144 /* Time constant (Tx) */
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#define TMCR 0x145 /* Time constant (Rx) */
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#define CMD 0x128 /* Command reg */
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#define ST0 0x118 /* Status reg 0 */
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#define ST1 0x119 /* Status reg 1 */
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#define ST2 0x11a /* Status reg 2 */
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#define ST3 0x11b /* Status reg 3 */
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#define ST4 0x11c /* Status reg 4 */
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#define FST 0x11d /* frame Status reg */
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#define IE0 0x120 /* Interrupt enable reg 0 */
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#define IE1 0x121 /* Interrupt enable reg 1 */
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#define IE2 0x122 /* Interrupt enable reg 2 */
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#define IE4 0x124 /* Interrupt enable reg 4 */
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#define FIE 0x125 /* Frame Interrupt enable reg */
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#define SA0 0x140 /* Syn Address reg 0 */
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#define SA1 0x141 /* Syn Address reg 1 */
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#define IDL 0x142 /* Idle register */
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#define TRBL 0x100 /* TX/RX buffer reg L */
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#define TRBK 0x101 /* TX/RX buffer reg K */
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#define TRBJ 0x102 /* TX/RX buffer reg J */
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#define TRBH 0x103 /* TX/RX buffer reg H */
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#define TRC0 0x148 /* TX Ready control reg 0 */
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#define TRC1 0x149 /* TX Ready control reg 1 */
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#define RRC 0x14a /* RX Ready control reg */
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#define CST0 0x108 /* Current Status Register 0 */
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#define CST1 0x109 /* Current Status Register 1 */
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#define CST2 0x10a /* Current Status Register 2 */
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#define CST3 0x10b /* Current Status Register 3 */
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#define GPO 0x131 /* General Purpose Output Pin Ctl Reg */
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#define TFS 0x14b /* Tx Start Threshold Ctl Reg */
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#define TFN 0x143 /* Inter-transmit-frame Time Fill Ctl Reg */
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#define TBN 0x110 /* Tx Buffer Number Reg */
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#define RBN 0x111 /* Rx Buffer Number Reg */
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#define TNR0 0x150 /* Tx DMA Request Ctl Reg 0 */
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#define TNR1 0x151 /* Tx DMA Request Ctl Reg 1 */
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#define TCR 0x152 /* Tx DMA Critical Request Reg */
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#define RNR 0x154 /* Rx DMA Request Ctl Reg */
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#define RCR 0x156 /* Rx DMA Critical Request Reg */
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/* Timer Registers */
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#define TIMER0RX_OFFSET 0x00
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#define TIMER0TX_OFFSET 0x10
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#define TIMER1RX_OFFSET 0x20
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#define TIMER1TX_OFFSET 0x30
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#define TCNTL 0x200 /* Timer Upcounter L */
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#define TCNTH 0x201 /* Timer Upcounter H */
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#define TCONRL 0x204 /* Timer Constant Register L */
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#define TCONRH 0x205 /* Timer Constant Register H */
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#define TCSR 0x206 /* Timer Control/Status Register */
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#define TEPR 0x207 /* Timer Expand Prescale Register */
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/* DMA registers */
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#define PCR 0x40 /* DMA priority control reg */
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#define DRR 0x44 /* DMA reset reg */
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#define DMER 0x07 /* DMA Master Enable reg */
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#define BTCR 0x08 /* Burst Tx Ctl Reg */
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#define BOLR 0x0c /* Back-off Length Reg */
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#define DSR_RX(chan) (0x48 + 2*chan) /* DMA Status Reg (Rx) */
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#define DSR_TX(chan) (0x49 + 2*chan) /* DMA Status Reg (Tx) */
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#define DIR_RX(chan) (0x4c + 2*chan) /* DMA Interrupt Enable Reg (Rx) */
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#define DIR_TX(chan) (0x4d + 2*chan) /* DMA Interrupt Enable Reg (Tx) */
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#define FCT_RX(chan) (0x50 + 2*chan) /* Frame End Interrupt Counter (Rx) */
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#define FCT_TX(chan) (0x51 + 2*chan) /* Frame End Interrupt Counter (Tx) */
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#define DMR_RX(chan) (0x54 + 2*chan) /* DMA Mode Reg (Rx) */
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#define DMR_TX(chan) (0x55 + 2*chan) /* DMA Mode Reg (Tx) */
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#define DCR_RX(chan) (0x58 + 2*chan) /* DMA Command Reg (Rx) */
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#define DCR_TX(chan) (0x59 + 2*chan) /* DMA Command Reg (Tx) */
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/* DMA Channel Registers */
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#define DMAC0RX_OFFSET 0x00
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#define DMAC0TX_OFFSET 0x20
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#define DMAC1RX_OFFSET 0x40
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#define DMAC1TX_OFFSET 0x60
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#define DARL 0x80 /* Dest Addr Register L (single-block, RX only) */
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#define DARH 0x81 /* Dest Addr Register H (single-block, RX only) */
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#define DARB 0x82 /* Dest Addr Register B (single-block, RX only) */
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#define DARBH 0x83 /* Dest Addr Register BH (single-block, RX only) */
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#define SARL 0x80 /* Source Addr Register L (single-block, TX only) */
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#define SARH 0x81 /* Source Addr Register H (single-block, TX only) */
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#define SARB 0x82 /* Source Addr Register B (single-block, TX only) */
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#define DARBH 0x83 /* Source Addr Register BH (single-block, TX only) */
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#define BARL 0x80 /* Buffer Addr Register L (chained-block) */
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#define BARH 0x81 /* Buffer Addr Register H (chained-block) */
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#define BARB 0x82 /* Buffer Addr Register B (chained-block) */
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#define BARBH 0x83 /* Buffer Addr Register BH (chained-block) */
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#define CDAL 0x84 /* Current Descriptor Addr Register L */
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#define CDAH 0x85 /* Current Descriptor Addr Register H */
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#define CDAB 0x86 /* Current Descriptor Addr Register B */
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#define CDABH 0x87 /* Current Descriptor Addr Register BH */
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#define EDAL 0x88 /* Error Descriptor Addr Register L */
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#define EDAH 0x89 /* Error Descriptor Addr Register H */
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#define EDAB 0x8a /* Error Descriptor Addr Register B */
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#define EDABH 0x8b /* Error Descriptor Addr Register BH */
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#define BFLL 0x90 /* RX Buffer Length L (only RX) */
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#define BFLH 0x91 /* RX Buffer Length H (only RX) */
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#define BCRL 0x8c /* Byte Count Register L */
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#define BCRH 0x8d /* Byte Count Register H */
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/* Block Descriptor Structure */
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typedef struct {
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unsigned long next; /* pointer to next block descriptor */
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unsigned long ptbuf; /* buffer pointer */
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unsigned short len; /* data length */
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unsigned char status; /* status */
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unsigned char filler[5]; /* alignment filler (16 bytes) */
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} pcsca_bd_t;
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/* Block Descriptor Structure */
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typedef struct {
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u32 cp; /* pointer to next block descriptor */
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u32 bp; /* buffer pointer */
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u16 len; /* data length */
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u8 stat; /* status */
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u8 unused; /* pads to 4-byte boundary */
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}pkt_desc;
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/*
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Descriptor Status definitions:
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Bit Transmission Reception
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7 EOM EOM
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6 - Short Frame
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5 - Abort
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4 - Residual bit
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3 Underrun Overrun
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2 - CRC
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1 Ownership Ownership
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0 EOT -
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*/
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#define DST_EOT 0x01 /* End of transmit command */
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#define DST_OSB 0x02 /* Ownership bit */
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#define DST_CRC 0x04 /* CRC Error */
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#define DST_OVR 0x08 /* Overrun */
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#define DST_UDR 0x08 /* Underrun */
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#define DST_RBIT 0x10 /* Residual bit */
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#define DST_ABT 0x20 /* Abort */
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#define DST_SHRT 0x40 /* Short Frame */
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#define DST_EOM 0x80 /* End of Message */
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/* Packet Descriptor Status bits */
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#define ST_TX_EOM 0x80 /* End of frame */
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#define ST_TX_UNDRRUN 0x08
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#define ST_TX_OWNRSHP 0x02
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#define ST_TX_EOT 0x01 /* End of transmission */
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#define ST_RX_EOM 0x80 /* End of frame */
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#define ST_RX_SHORT 0x40 /* Short frame */
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#define ST_RX_ABORT 0x20 /* Abort */
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#define ST_RX_RESBIT 0x10 /* Residual bit */
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#define ST_RX_OVERRUN 0x08 /* Overrun */
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#define ST_RX_CRC 0x04 /* CRC */
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#define ST_RX_OWNRSHP 0x02
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#define ST_ERROR_MASK 0x7C
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/* Status Counter Registers */
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#define CMCR 0x158 /* Counter Master Ctl Reg */
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#define TECNTL 0x160 /* Tx EOM Counter L */
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#define TECNTM 0x161 /* Tx EOM Counter M */
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#define TECNTH 0x162 /* Tx EOM Counter H */
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#define TECCR 0x163 /* Tx EOM Counter Ctl Reg */
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#define URCNTL 0x164 /* Underrun Counter L */
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#define URCNTH 0x165 /* Underrun Counter H */
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#define URCCR 0x167 /* Underrun Counter Ctl Reg */
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#define RECNTL 0x168 /* Rx EOM Counter L */
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#define RECNTM 0x169 /* Rx EOM Counter M */
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#define RECNTH 0x16a /* Rx EOM Counter H */
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#define RECCR 0x16b /* Rx EOM Counter Ctl Reg */
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#define ORCNTL 0x16c /* Overrun Counter L */
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#define ORCNTH 0x16d /* Overrun Counter H */
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#define ORCCR 0x16f /* Overrun Counter Ctl Reg */
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#define CECNTL 0x170 /* CRC Counter L */
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#define CECNTH 0x171 /* CRC Counter H */
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#define CECCR 0x173 /* CRC Counter Ctl Reg */
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#define ABCNTL 0x174 /* Abort frame Counter L */
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#define ABCNTH 0x175 /* Abort frame Counter H */
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#define ABCCR 0x177 /* Abort frame Counter Ctl Reg */
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#define SHCNTL 0x178 /* Short frame Counter L */
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#define SHCNTH 0x179 /* Short frame Counter H */
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#define SHCCR 0x17b /* Short frame Counter Ctl Reg */
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#define RSCNTL 0x17c /* Residual bit Counter L */
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#define RSCNTH 0x17d /* Residual bit Counter H */
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#define RSCCR 0x17f /* Residual bit Counter Ctl Reg */
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/* Register Programming Constants */
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#define IR0_DMIC 0x00000001
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#define IR0_DMIB 0x00000002
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#define IR0_DMIA 0x00000004
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#define IR0_EFT 0x00000008
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#define IR0_DMAREQ 0x00010000
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#define IR0_TXINT 0x00020000
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#define IR0_RXINTB 0x00040000
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#define IR0_RXINTA 0x00080000
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#define IR0_TXRDY 0x00100000
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#define IR0_RXRDY 0x00200000
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#define MD0_CRC16_0 0x00
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#define MD0_CRC16_1 0x01
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#define MD0_CRC32 0x02
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#define MD0_CRC_CCITT 0x03
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#define MD0_CRCC0 0x04
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#define MD0_CRCC1 0x08
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#define MD0_AUTO_ENA 0x10
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#define MD0_ASYNC 0x00
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#define MD0_BY_MSYNC 0x20
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#define MD0_BY_BISYNC 0x40
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#define MD0_BY_EXT 0x60
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#define MD0_BIT_SYNC 0x80
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#define MD0_TRANSP 0xc0
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#define MD0_HDLC 0x80 /* Bit-sync HDLC mode */
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#define MD0_CRC_NONE 0x00
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#define MD0_CRC_16_0 0x04
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#define MD0_CRC_16 0x05
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#define MD0_CRC_ITU32 0x06
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#define MD0_CRC_ITU 0x07
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#define MD1_NOADDR 0x00
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#define MD1_SADDR1 0x40
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#define MD1_SADDR2 0x80
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#define MD1_DADDR 0xc0
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#define MD2_NRZI_IEEE 0x40
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#define MD2_MANCHESTER 0x80
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#define MD2_FM_MARK 0xA0
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#define MD2_FM_SPACE 0xC0
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#define MD2_LOOPBACK 0x03 /* Local data Loopback */
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#define MD2_F_DUPLEX 0x00
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#define MD2_AUTO_ECHO 0x01
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#define MD2_LOOP_HI_Z 0x02
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#define MD2_LOOP_MIR 0x03
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#define MD2_ADPLL_X8 0x00
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#define MD2_ADPLL_X16 0x08
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#define MD2_ADPLL_X32 0x10
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#define MD2_NRZ 0x00
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#define MD2_NRZI 0x20
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#define MD2_NRZ_IEEE 0x40
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#define MD2_MANCH 0x00
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#define MD2_FM1 0x20
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#define MD2_FM0 0x40
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#define MD2_FM 0x80
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#define CTL_RTS 0x01
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#define CTL_DTR 0x02
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#define CTL_SYN 0x04
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#define CTL_IDLC 0x10
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#define CTL_UDRNC 0x20
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#define CTL_URSKP 0x40
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#define CTL_URCT 0x80
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#define CTL_NORTS 0x01
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#define CTL_NODTR 0x02
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#define CTL_IDLE 0x10
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#define RXS_BR0 0x01
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#define RXS_BR1 0x02
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#define RXS_BR2 0x04
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#define RXS_BR3 0x08
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#define RXS_ECLK 0x00
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#define RXS_ECLK_NS 0x20
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#define RXS_IBRG 0x40
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#define RXS_PLL1 0x50
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#define RXS_PLL2 0x60
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#define RXS_PLL3 0x70
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#define RXS_DRTXC 0x80
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#define TXS_BR0 0x01
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#define TXS_BR1 0x02
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#define TXS_BR2 0x04
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#define TXS_BR3 0x08
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#define TXS_ECLK 0x00
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#define TXS_IBRG 0x40
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#define TXS_RCLK 0x60
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#define TXS_DTRXC 0x80
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#define EXS_RES0 0x01
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#define EXS_RES1 0x02
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#define EXS_RES2 0x04
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#define EXS_TES0 0x10
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#define EXS_TES1 0x20
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#define EXS_TES2 0x40
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#define CLK_BRG_MASK 0x0F
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#define CLK_PIN_OUT 0x80
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#define CLK_LINE 0x00 /* clock line input */
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#define CLK_BRG 0x40 /* internal baud rate generator */
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#define CLK_TX_RXCLK 0x60 /* TX clock from RX clock */
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#define CMD_RX_RST 0x11
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#define CMD_RX_ENA 0x12
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#define CMD_RX_DIS 0x13
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#define CMD_RX_CRC_INIT 0x14
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#define CMD_RX_MSG_REJ 0x15
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#define CMD_RX_MP_SRCH 0x16
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#define CMD_RX_CRC_EXC 0x17
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#define CMD_RX_CRC_FRC 0x18
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#define CMD_TX_RST 0x01
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#define CMD_TX_ENA 0x02
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#define CMD_TX_DISA 0x03
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#define CMD_TX_CRC_INIT 0x04
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#define CMD_TX_CRC_EXC 0x05
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#define CMD_TX_EOM 0x06
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#define CMD_TX_ABORT 0x07
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#define CMD_TX_MP_ON 0x08
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#define CMD_TX_BUF_CLR 0x09
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#define CMD_TX_DISB 0x0b
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#define CMD_CH_RST 0x21
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#define CMD_SRCH_MODE 0x31
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#define CMD_NOP 0x00
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#define CMD_RESET 0x21
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#define CMD_TX_ENABLE 0x02
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#define CMD_RX_ENABLE 0x12
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#define ST0_RXRDY 0x01
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#define ST0_TXRDY 0x02
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#define ST0_RXINTB 0x20
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#define ST0_RXINTA 0x40
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#define ST0_TXINT 0x80
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#define ST1_IDLE 0x01
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#define ST1_ABORT 0x02
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#define ST1_CDCD 0x04
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#define ST1_CCTS 0x08
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#define ST1_SYN_FLAG 0x10
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#define ST1_CLMD 0x20
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#define ST1_TXIDLE 0x40
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#define ST1_UDRN 0x80
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#define ST2_CRCE 0x04
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#define ST2_ONRN 0x08
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#define ST2_RBIT 0x10
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#define ST2_ABORT 0x20
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#define ST2_SHORT 0x40
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#define ST2_EOM 0x80
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#define ST3_RX_ENA 0x01
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#define ST3_TX_ENA 0x02
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#define ST3_DCD 0x04
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#define ST3_CTS 0x08
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#define ST3_SRCH_MODE 0x10
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#define ST3_SLOOP 0x20
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#define ST3_GPI 0x80
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#define ST4_RDNR 0x01
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#define ST4_RDCR 0x02
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#define ST4_TDNR 0x04
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#define ST4_TDCR 0x08
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#define ST4_OCLM 0x20
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#define ST4_CFT 0x40
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#define ST4_CGPI 0x80
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#define FST_CRCEF 0x04
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#define FST_OVRNF 0x08
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#define FST_RBIF 0x10
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#define FST_ABTF 0x20
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#define FST_SHRTF 0x40
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#define FST_EOMF 0x80
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#define IE0_RXRDY 0x01
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#define IE0_TXRDY 0x02
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#define IE0_RXINTB 0x20
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#define IE0_RXINTA 0x40
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#define IE0_TXINT 0x80
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#define IE0_UDRN 0x00008000 /* TX underrun MSCI interrupt enable */
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#define IE0_CDCD 0x00000400 /* CD level change interrupt enable */
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#define IE1_IDLD 0x01
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#define IE1_ABTD 0x02
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#define IE1_CDCD 0x04
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#define IE1_CCTS 0x08
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#define IE1_SYNCD 0x10
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#define IE1_CLMD 0x20
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#define IE1_IDL 0x40
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#define IE1_UDRN 0x80
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#define IE2_CRCE 0x04
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#define IE2_OVRN 0x08
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#define IE2_RBIT 0x10
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#define IE2_ABT 0x20
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#define IE2_SHRT 0x40
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#define IE2_EOM 0x80
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#define IE4_RDNR 0x01
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#define IE4_RDCR 0x02
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#define IE4_TDNR 0x04
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#define IE4_TDCR 0x08
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#define IE4_OCLM 0x20
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#define IE4_CFT 0x40
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#define IE4_CGPI 0x80
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#define FIE_CRCEF 0x04
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#define FIE_OVRNF 0x08
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#define FIE_RBIF 0x10
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#define FIE_ABTF 0x20
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#define FIE_SHRTF 0x40
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#define FIE_EOMF 0x80
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#define DSR_DWE 0x01
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#define DSR_DE 0x02
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#define DSR_REF 0x04
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#define DSR_UDRF 0x04
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#define DSR_COA 0x08
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#define DSR_COF 0x10
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#define DSR_BOF 0x20
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#define DSR_EOM 0x40
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#define DSR_EOT 0x80
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#define DIR_REF 0x04
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#define DIR_UDRF 0x04
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#define DIR_COA 0x08
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#define DIR_COF 0x10
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#define DIR_BOF 0x20
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#define DIR_EOM 0x40
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#define DIR_EOT 0x80
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#define DIR_REFE 0x04
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#define DIR_UDRFE 0x04
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#define DIR_COAE 0x08
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#define DIR_COFE 0x10
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#define DIR_BOFE 0x20
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#define DIR_EOME 0x40
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#define DIR_EOTE 0x80
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#define DMR_CNTE 0x02
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#define DMR_NF 0x04
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#define DMR_SEOME 0x08
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#define DMR_TMOD 0x10
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#define DMER_DME 0x80 /* DMA Master Enable */
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#define DCR_SW_ABT 0x01
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#define DCR_FCT_CLR 0x02
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#define DCR_ABORT 0x01
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#define DCR_CLEAR_EOF 0x02
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#define PCR_COTE 0x80
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#define PCR_PR0 0x01
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#define PCR_PR1 0x02
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#define PCR_PR2 0x04
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#define PCR_CCC 0x08
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#define PCR_BRC 0x10
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#define PCR_OSB 0x40
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#define PCR_BURST 0x80
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#endif /* (__HD64572_H) */
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