mirror of
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373 lines
12 KiB
C
373 lines
12 KiB
C
/*
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* Copyright (c) 1995 John Hay. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by [your name]
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* and [any other names deserving credit ]
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY [your name] AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef _HD64570_H_
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#define _HD64570_H_
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typedef struct msci_channel
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{
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union
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{
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unsigned short us_trb; /* rw */
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struct
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{
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unsigned char uc_trbl;
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unsigned char uc_trbh;
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}uc_trb;
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}u_trb;
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unsigned char st0; /* ro */
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unsigned char st1; /* rw */
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unsigned char st2; /* rw */
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unsigned char st3; /* ro */
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unsigned char fst; /* rw */
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unsigned char unused0;
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unsigned char ie0; /* rw */
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unsigned char ie1; /* rw */
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unsigned char ie2; /* rw */
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unsigned char fie; /* rw */
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unsigned char cmd; /* wo */
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unsigned char unused1;
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unsigned char md0; /* rw */
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unsigned char md1; /* rw */
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unsigned char md2; /* rw */
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unsigned char ctl; /* rw */
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unsigned char sa0; /* rw */
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unsigned char sa1; /* rw */
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unsigned char idl; /* rw */
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unsigned char tmc; /* rw */
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unsigned char rxs; /* rw */
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unsigned char txs; /* rw */
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unsigned char trc0; /* rw */
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unsigned char trc1; /* rw */
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unsigned char rrc; /* rw */
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unsigned char unused2;
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unsigned char cst0; /* rw */
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unsigned char cst1; /* rw */
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unsigned char unused3[2];
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}msci_channel;
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#define trb u_trb.us_trb
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#define trbl u_trb.uc_trb.uc_trbl
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#define trbh u_trb.uc_trb.uc_trbh
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typedef struct timer_channel
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{
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unsigned short tcnt; /* rw */
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unsigned short tconr; /* wo */
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unsigned char tcsr; /* rw */
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unsigned char tepr; /* rw */
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unsigned char unused[2];
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}timer_channel;
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typedef struct dmac_channel
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{
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unsigned short dar; /* rw */
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unsigned char darb; /* rw */
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unsigned char unused0;
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unsigned short sar; /* rw On odd numbered dmacs (tx) only */
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unsigned char sarb; /* rw */
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#define cpb sarb
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unsigned char unused1;
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unsigned short cda; /* rw */
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unsigned short eda; /* rw */
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unsigned short bfl; /* rw On even numbered dmacs (rx) only */
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unsigned short bcr; /* rw */
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unsigned char dsr; /* rw */
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unsigned char dmr; /* rw */
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unsigned char unused2;
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unsigned char fct; /* rw */
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unsigned char dir; /* rw */
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unsigned char dcr; /* rw */
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unsigned char unused3[10];
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}dmac_channel;
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/* x is the channel number. rx channels are even numbered and tx, odd. */
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#define DMAC_RXCH(x) ((x*2) + 0)
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#define DMAC_TXCH(x) ((x*2) + 1)
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typedef struct sca_regs
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{
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unsigned char lpr; /* rw */
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unsigned char unused0; /* -- */
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/* Wait system */
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unsigned char pabr0; /* rw */
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unsigned char pabr1; /* rw */
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unsigned char wcrl; /* rw */
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unsigned char wcrm; /* rw */
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unsigned char wcrh; /* rw */
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unsigned char unused1;
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/* DMAC */
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unsigned char pcr; /* rw */
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unsigned char dmer; /* rw */
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unsigned char unused2[6];
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/* Interrupt */
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unsigned char isr0; /* ro */
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unsigned char isr1; /* ro */
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unsigned char isr2; /* ro */
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unsigned char unused3;
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unsigned char ier0; /* rw */
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unsigned char ier1; /* rw */
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unsigned char ier2; /* rw */
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unsigned char unused4;
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unsigned char itcr; /* rw */
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unsigned char unused5;
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unsigned char ivr; /* rw */
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unsigned char unused6;
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unsigned char imvr; /* rw */
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unsigned char unused7[3];
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/* MSCI Channel 0 */
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msci_channel msci[2];
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timer_channel timer[4];
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dmac_channel dmac[4];
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}sca_regs;
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#define SCA_CMD_TXRESET 0x01
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#define SCA_CMD_TXENABLE 0x02
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#define SCA_CMD_TXDISABLE 0x03
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#define SCA_CMD_TXCRCINIT 0x04
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#define SCA_CMD_TXCRCEXCL 0x05
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#define SCA_CMS_TXEOM 0x06
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#define SCA_CMD_TXABORT 0x07
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#define SCA_CMD_MPON 0x08
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#define SCA_CMD_TXBCLEAR 0x09
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#define SCA_CMD_RXRESET 0x11
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#define SCA_CMD_RXENABLE 0x12
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#define SCA_CMD_RXDISABLE 0x13
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#define SCA_CMD_RXCRCINIT 0x14
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#define SCA_CMD_RXMSGREJ 0x15
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#define SCA_CMD_MPSEARCH 0x16
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#define SCA_CMD_RXCRCEXCL 0x17
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#define SCA_CMD_RXCRCCALC 0x18
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#define SCA_CMD_NOP 0x00
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#define SCA_CMD_RESET 0x21
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#define SCA_CMD_SEARCH 0x31
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#define SCA_MD0_CRC_1 0x01
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#define SCA_MD0_CRC_CCITT 0x02
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#define SCA_MD0_CRC_ENABLE 0x04
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#define SCA_MD0_AUTO_ENABLE 0x10
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#define SCA_MD0_MODE_ASYNC 0x00
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#define SCA_MD0_MODE_BYTESYNC1 0x20
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#define SCA_MD0_MODE_BISYNC 0x40
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#define SCA_MD0_MODE_BYTESYNC2 0x60
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#define SCA_MD0_MODE_HDLC 0x80
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#define SCA_MD1_NOADDRCHK 0x00
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#define SCA_MD1_SNGLADDR1 0x40
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#define SCA_MD1_SNGLADDR2 0x80
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#define SCA_MD1_DUALADDR 0xC0
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#define SCA_MD2_DUPLEX 0x00
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#define SCA_MD2_ECHO 0x01
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#define SCA_MD2_LOOPBACK 0x03
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#define SCA_MD2_ADPLLx8 0x00
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#define SCA_MD2_ADPLLx16 0x08
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#define SCA_MD2_ADPLLx32 0x10
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#define SCA_MD2_NRZ 0x00
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#define SCA_MD2_NRZI 0x20
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#define SCA_MD2_MANCHESTER 0x80
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#define SCA_MD2_FM0 0xC0
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#define SCA_MD2_FM1 0xA0
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#define SCA_CTL_RTS 0x01
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#define SCA_CTL_IDLPAT 0x10
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#define SCA_CTL_UDRNC 0x20
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#define SCA_RXS_DIV_MASK 0x0F
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#define SCA_RXS_DIV1 0x00
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#define SCA_RXS_DIV2 0x01
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#define SCA_RXS_DIV4 0x02
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#define SCA_RXS_DIV8 0x03
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#define SCA_RXS_DIV16 0x04
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#define SCA_RXS_DIV32 0x05
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#define SCA_RXS_DIV64 0x06
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#define SCA_RXS_DIV128 0x07
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#define SCA_RXS_DIV256 0x08
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#define SCA_RXS_DIV512 0x09
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#define SCA_RXS_CLK_RXC0 0x00
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#define SCA_RXS_CLK_RXC1 0x20
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#define SCA_RXS_CLK_INT 0x40
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#define SCA_RXS_CLK_ADPLL_OUT 0x60
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#define SCA_RXS_CLK_ADPLL_IN 0x70
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#define SCA_TXS_DIV_MASK 0x0F
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#define SCA_TXS_DIV1 0x00
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#define SCA_TXS_DIV2 0x01
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#define SCA_TXS_DIV4 0x02
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#define SCA_TXS_DIV8 0x03
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#define SCA_TXS_DIV16 0x04
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#define SCA_TXS_DIV32 0x05
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#define SCA_TXS_DIV64 0x06
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#define SCA_TXS_DIV128 0x07
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#define SCA_TXS_DIV256 0x08
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#define SCA_TXS_DIV512 0x09
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#define SCA_TXS_CLK_TXC 0x00
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#define SCA_TXS_CLK_INT 0x40
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#define SCA_TXS_CLK_RX 0x60
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#define SCA_ST0_RXRDY 0x01
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#define SCA_ST0_TXRDY 0x02
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#define SCA_ST0_RXINT 0x40
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#define SCA_ST0_TXINT 0x80
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#define SCA_ST1_IDLST 0x01
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#define SCA_ST1_ABTST 0x02
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#define SCA_ST1_DCDCHG 0x04
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#define SCA_ST1_CTSCHG 0x08
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#define SCA_ST1_FLAG 0x10
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#define SCA_ST1_TXIDL 0x40
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#define SCA_ST1_UDRN 0x80
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/* ST2 and FST look the same */
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#define SCA_FST_CRCERR 0x04
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#define SCA_FST_OVRN 0x08
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#define SCA_FST_RESFRM 0x10
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#define SCA_FST_ABRT 0x20
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#define SCA_FST_SHRT 0x40
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#define SCA_FST_EOM 0x80
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#define SCA_ST3_RXENA 0x01
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#define SCA_ST3_TXENA 0x02
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#define SCA_ST3_DCD 0x04
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#define SCA_ST3_CTS 0x08
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#define SCA_ST3_ADPLLSRCH 0x10
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#define SCA_ST3_TXDATA 0x20
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#define SCA_FIE_EOMFE 0x80
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#define SCA_IE0_RXRDY 0x01
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#define SCA_IE0_TXRDY 0x02
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#define SCA_IE0_RXINT 0x40
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#define SCA_IE0_TXINT 0x80
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#define SCA_IE1_IDLDE 0x01
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#define SCA_IE1_ABTDE 0x02
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#define SCA_IE1_DCD 0x04
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#define SCA_IE1_CTS 0x08
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#define SCA_IE1_FLAG 0x10
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#define SCA_IE1_IDL 0x40
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#define SCA_IE1_UDRN 0x80
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#define SCA_IE2_CRCERR 0x04
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#define SCA_IE2_OVRN 0x08
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#define SCA_IE2_RESFRM 0x10
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#define SCA_IE2_ABRT 0x20
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#define SCA_IE2_SHRT 0x40
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#define SCA_IE2_EOM 0x80
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/* This is for RRC, TRC0 and TRC1. */
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#define SCA_RCR_MASK 0x1F
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#define SCA_IE1_
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#define SCA_IV_CHAN0 0x00
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#define SCA_IV_CHAN1 0x20
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#define SCA_IV_RXRDY 0x04
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#define SCA_IV_TXRDY 0x06
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#define SCA_IV_RXINT 0x08
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#define SCA_IV_TXINT 0x0A
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#define SCA_IV_DMACH0 0x00
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#define SCA_IV_DMACH1 0x08
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#define SCA_IV_DMACH2 0x20
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#define SCA_IV_DMACH3 0x28
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#define SCA_IV_DMIA 0x14
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#define SCA_IV_DMIB 0x16
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#define SCA_IV_TIMER0 0x1C
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#define SCA_IV_TIMER1 0x1E
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#define SCA_IV_TIMER2 0x3C
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#define SCA_IV_TIMER3 0x3E
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/*
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* DMA registers
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*/
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#define SCA_DSR_EOT 0x80
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#define SCA_DSR_EOM 0x40
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#define SCA_DSR_BOF 0x20
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#define SCA_DSR_COF 0x10
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#define SCA_DSR_DE 0x02
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#define SCA_DSR_DWE 0x01
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#define SCA_DMR_TMOD 0x10
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#define SCA_DMR_NF 0x04
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#define SCA_DMR_CNTE 0x02
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#define SCA_DMER_EN 0x80
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#define SCA_DCR_ABRT 0x01
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#define SCA_DCR_FCCLR 0x02 /* Clear frame end intr counter */
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#define SCA_DIR_EOT 0x80
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#define SCA_DIR_EOM 0x40
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#define SCA_DIR_BOF 0x20
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#define SCA_DIR_COF 0x10
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#define SCA_PCR_BRC 0x10
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#define SCA_PCR_CCC 0x08
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#define SCA_PCR_PR2 0x04
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#define SCA_PCR_PR1 0x02
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#define SCA_PCR_PR0 0x01
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typedef struct sca_descriptor
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{
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unsigned short cp;
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unsigned short bp;
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unsigned char bpb;
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unsigned char unused0;
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unsigned short len;
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unsigned char stat;
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unsigned char unused1;
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}sca_descriptor;
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#define SCA_DESC_EOT 0x01
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#define SCA_DESC_CRC 0x04
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#define SCA_DESC_OVRN 0x08
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#define SCA_DESC_RESD 0x10
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#define SCA_DESC_ABORT 0x20
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#define SCA_DESC_SHRTFRM 0x40
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#define SCA_DESC_EOM 0x80
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#define SCA_DESC_ERRORS 0x7C
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/*
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***************************************************************************
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** END
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***************************************************************************
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**/
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#endif /* _HD64570_H_ */
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