/* * Defines for Cronyx-Sigma adapter, based on Cirrus Logic multiprotocol * controller RISC processor CL-CD2400/2401. * * Copyright (C) 1994 Cronyx Ltd. * Author: Serge Vakulenko, * * This software is distributed with NO WARRANTIES, not even the implied * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Authors grant any other persons or organizations permission to use * or modify this software as long as this message is kept with the software, * all derivative works or modified versions. * * Version 1.0, Fri Oct 7 19:34:06 MSD 1994 * $FreeBSD: src/sys/i386/isa/cxreg.h,v 1.3.12.1 2000/08/03 01:01:20 peter Exp $ * $DragonFly: src/sys/dev/netif/cx/cxreg.h,v 1.2 2003/06/17 04:28:37 dillon Exp $ */ #define NBRD 3 /* the maximum number of installed boards */ #define NPORT 16 /* the number of i/o ports per board */ #define REVCL_MIN 7 /* CD2400 min. revision number G */ #define REVCL_MAX 11 /* CD2400 max. revision number K */ #define BRD_INTR_LEVEL 0x5a /* interrupt level (arbitrary PILR value) */ #define CS0(p) ((p) | 0x8000) /* chip select 0 */ #define CS1(p) ((p) | 0xc000) /* chip select 1 */ #define BSR(p) (p) /* board status register, read only */ #define BCR0(p) (p) /* board command register 0, write only */ #define BCR1(p) ((p) | 0x2000) /* board command register 1, write only */ /* * Chip register address, B is chip base port, R is chip register number. */ #define R(b,r) ((b) | (((r)<<6 & 0x3c00) | ((r) & 0xf))) /* * Interrupt acknowledge register, P is board port, L is interrupt level, * as programmed in PILR. */ #define IACK(p,l) (R(p,l) | 0x4000) /* * Global registers. */ #define GFRCR(b) R(b,0x82) /* global firmware revision code register */ #define CAR(b) R(b,0xec) /* channel access register */ /* * Option registers. */ #define CMR(b) R(b,0x18) /* channel mode register */ #define COR1(b) R(b,0x13) /* channel option register 1 */ #define COR2(b) R(b,0x14) /* channel option register 2 */ #define COR3(b) R(b,0x15) /* channel option register 3 */ #define COR4(b) R(b,0x16) /* channel option register 4 */ #define COR5(b) R(b,0x17) /* channel option register 5 */ #define COR6(b) R(b,0x1b) /* channel option register 6 */ #define COR7(b) R(b,0x04) /* channel option register 7 */ #define SCHR1(b) R(b,0x1c) /* special character register 1 */ #define SCHR2(b) R(b,0x1d) /* special character register 2 */ #define SCHR3(b) R(b,0x1e) /* special character register 3 */ #define SCHR4(b) R(b,0x1f) /* special character register 4 */ #define SCRL(b) R(b,0x20) /* special character range low */ #define SCRH(b) R(b,0x21) /* special character range high */ #define LNXT(b) R(b,0x2d) /* LNext character */ #define RFAR1(b) R(b,0x1c) /* receive frame address register 1 */ #define RFAR2(b) R(b,0x1d) /* receive frame address register 2 */ #define RFAR3(b) R(b,0x1e) /* receive frame address register 3 */ #define RFAR4(b) R(b,0x1f) /* receive frame address register 4 */ #define CPSR(b) R(b,0xd4) /* CRC polynomial select register */ /* * Bit rate and clock option registers. */ #define RBPR(b) R(b,0xc9) /* receive baud rate period register */ #define RCOR(b) R(b,0xca) /* receive clock option register */ #define TBPR(b) R(b,0xc1) /* transmit baud rate period register */ #define TCOR(b) R(b,0xc2) /* receive clock option register */ /* * Channel command and status registers. */ #define CCR(b) R(b,0x10) /* channel command register */ #define STCR(b) R(b,0x11) /* special transmit command register */ #define CSR(b) R(b,0x19) /* channel status register */ #define MSVR(b) R(b,0xdc) /* modem signal value register */ #define MSVR_RTS(b) R(b,0xdc) /* modem RTS setup register */ #define MSVR_DTR(b) R(b,0xdd) /* modem DTR setup register */ /* * Interrupt registers. */ #define LIVR(b) R(b,0x0a) /* local interrupt vector register */ #define IER(b) R(b,0x12) /* interrupt enable register */ #define LICR(b) R(b,0x25) /* local interrupting channel register */ #define STK(b) R(b,0xe0) /* stack register */ /* * Receive interrupt registers. */ #define RPILR(b) R(b,0xe3) /* receive priority interrupt level register */ #define RIR(b) R(b,0xef) /* receive interrupt register */ #define RISR(b) R(b,0x8a) /* receive interrupt status register */ #define RISRL(b) R(b,0x8a) /* receive interrupt status register low */ #define RISRH(b) R(b,0x8b) /* receive interrupt status register high */ #define RFOC(b) R(b,0x33) /* receive FIFO output count */ #define RDR(b) R(b,0xf8) /* receive data register */ #define REOIR(b) R(b,0x87) /* receive end of interrupt register */ /* * Transmit interrupt registers. */ #define TPILR(b) R(b,0xe2) /* transmit priority interrupt level reg */ #define TIR(b) R(b,0xee) /* transmit interrupt register */ #define TISR(b) R(b,0x89) /* transmit interrupt status register */ #define TFTC(b) R(b,0x83) /* transmit FIFO transfer count */ #define TDR(b) R(b,0xf8) /* transmit data register */ #define TEOIR(b) R(b,0x86) /* transmit end of interrupt register */ /* * Modem interrupt registers. */ #define MPILR(b) R(b,0xe1) /* modem priority interrupt level register */ #define MIR(b) R(b,0xed) /* modem interrupt register */ #define MISR(b) R(b,0x88) /* modem/timer interrupt status register */ #define MEOIR(b) R(b,0x85) /* modem end of interrupt register */ /* * DMA registers. */ #define DMR(b) R(b,0xf4) /* DMA mode register */ #define BERCNT(b) R(b,0x8d) /* bus error retry count */ #define DMABSTS(b) R(b,0x1a) /* DMA buffer status */ /* * DMA receive registers. */ #define ARBADRL(b) R(b,0x40) /* A receive buffer address lower */ #define ARBADRU(b) R(b,0x42) /* A receive buffer address upper */ #define BRBADRL(b) R(b,0x44) /* B receive buffer address lower */ #define BRBADRU(b) R(b,0x46) /* B receive buffer address upper */ #define ARBCNT(b) R(b,0x48) /* A receive buffer byte count */ #define BRBCNT(b) R(b,0x4a) /* B receive buffer byte count */ #define ARBSTS(b) R(b,0x4c) /* A receive buffer status */ #define BRBSTS(b) R(b,0x4d) /* B receive buffer status */ #define RCBADRL(b) R(b,0x3c) /* receive current buffer address lower */ #define RCBADRU(b) R(b,0x3e) /* receive current buffer address upper */ /* * DMA transmit registers. */ #define ATBADRL(b) R(b,0x50) /* A transmit buffer address lower */ #define ATBADRU(b) R(b,0x52) /* A transmit buffer address upper */ #define BTBADRL(b) R(b,0x54) /* B transmit buffer address lower */ #define BTBADRU(b) R(b,0x56) /* B transmit buffer address upper */ #define ATBCNT(b) R(b,0x58) /* A transmit buffer byte count */ #define BTBCNT(b) R(b,0x5a) /* B transmit buffer byte count */ #define ATBSTS(b) R(b,0x5c) /* A transmit buffer status */ #define BTBSTS(b) R(b,0x5d) /* B transmit buffer status */ #define TCBADRL(b) R(b,0x38) /* transmit current buffer address lower */ #define TCBADRU(b) R(b,0x3a) /* transmit current buffer address upper */ /* * Timer registers. */ #define TPR(b) R(b,0xd8) /* timer period register */ #define RTPR(b) R(b,0x26) /* receive timeout period register */ #define RTPRL(b) R(b,0x26) /* receive timeout period register low */ #define RTPTH(b) R(b,0x27) /* receive timeout period register high */ #define GT1(b) R(b,0x28) /* general timer 1 */ #define GT1L(b) R(b,0x28) /* general timer 1 low */ #define GT1H(b) R(b,0x29) /* general timer 1 high */ #define GT2(b) R(b,0x2a) /* general timer 2 */ #define TTR(b) R(b,0x2a) /* transmit timer register */ /* * Board status register bits. */ #define BSR_NOINTR 0x01 /* no interrupt pending flag */ #define BSR_VAR_MASK 0x66 /* adapter variant mask */ #define BSR_OSC_MASK 0x18 /* oscillator frequency mask */ #define BSR_OSC_20 0x18 /* 20 MHz */ #define BSR_OSC_18432 0x10 /* 18.432 MHz */ #define BSR_NOCHAIN 0x80 /* no daisy chained board */ #define BSR_NODSR(n) (0x100 << (n)) /* DSR from channels 0-3, inverted */ #define BSR_NOCD(n) (0x1000 << (n)) /* CD from channels 0-3, inverted */ /* * Board revision mask. */ #define BSR_REV_MASK (BSR_OSC_MASK|BSR_VAR_MASK|BSR_NOCHAIN) /* * Board control register 0 bits. */ #define BCR0_IRQ_DIS 0x00 /* no interrupt generated */ #define BCR0_IRQ_3 0x01 /* select IRQ number 3 */ #define BCR0_IRQ_5 0x02 /* select IRQ number 5 */ #define BCR0_IRQ_7 0x03 /* select IRQ number 7 */ #define BCR0_IRQ_10 0x04 /* select IRQ number 10 */ #define BCR0_IRQ_11 0x05 /* select IRQ number 11 */ #define BCR0_IRQ_12 0x06 /* select IRQ number 12 */ #define BCR0_IRQ_15 0x07 /* select IRQ number 15 */ #define BCR0_NORESET 0x08 /* CD2400 reset flag (inverted) */ #define BCR0_DMA_DIS 0x00 /* no interrupt generated */ #define BCR0_DMA_5 0x10 /* select DMA channel 5 */ #define BCR0_DMA_6 0x20 /* select DMA channel 6 */ #define BCR0_DMA_7 0x30 /* select DMA channel 7 */ #define BCR0_UM_ASYNC 0x00 /* channel 0 mode - async */ #define BCR0_UM_SYNC 0x80 /* channel 0 mode - sync */ #define BCR0_UI_RS232 0x00 /* channel 0 interface - RS-232 */ #define BCR0_UI_RS449 0x40 /* channel 0 interface - RS-449/V.35 */ #define BCR0_UMASK 0xc0 /* channel 0 interface mask */ /* * Board control register 1 bits. */ #define BCR1_DTR(n) (0x100 << (n)) /* DTR for channels 0-3 sync */ /* * Cronyx board variants. */ #define CRONYX_100 0x64 #define CRONYX_400 0x62 #define CRONYX_500 0x60 #define CRONYX_410 0x24 #define CRONYX_810 0x20 #define CRONYX_410s 0x04 #define CRONYX_810s 0x00 #define CRONYX_440 0x44 #define CRONYX_840 0x40 #define CRONYX_401 0x26 #define CRONYX_801 0x22 #define CRONYX_401s 0x06 #define CRONYX_801s 0x02 #define CRONYX_404 0x46 #define CRONYX_703 0x42 /* * Channel commands (CCR). */ #define CCR_CLRCH 0x40 /* clear channel */ #define CCR_INITCH 0x20 /* initialize channel */ #define CCR_RSTALL 0x10 /* reset all channels */ #define CCR_ENTX 0x08 /* enable transmitter */ #define CCR_DISTX 0x04 /* disable transmitter */ #define CCR_ENRX 0x02 /* enable receiver */ #define CCR_DISRX 0x01 /* disable receiver */ #define CCR_CLRT1 0xc0 /* clear timer 1 */ #define CCR_CLRT2 0xa0 /* clear timer 2 */ #define CCR_CLRRCV 0x90 /* clear receiver */ /* * Interrupt enable register (IER) bits. */ #define IER_MDM 0x80 /* modem status changed */ #define IER_RET 0x20 /* receive exception timeout */ #define IER_RXD 0x08 /* data received */ #define IER_TIMER 0x04 /* timer expired */ #define IER_TXMPTY 0x02 /* transmitter empty */ #define IER_TXD 0x01 /* data transmitted */ /* * Modem signal values register bits (MSVR). */ #define MSV_DSR 0x80 /* state of Data Set Ready input */ #define MSV_CD 0x40 /* state of Carrier Detect input */ #define MSV_CTS 0x20 /* state of Clear to Send input */ #define MSV_TXCOUT 0x10 /* TXCout/DTR pin output flag */ #define MSV_PORTID 0x04 /* device is CL-CD2401 (not 2400) */ #define MSV_DTR 0x02 /* state of Data Terminal Ready output */ #define MSV_RTS 0x01 /* state of Request to Send output */ #define MSV_BITS "\20\1rts\2dtr\3cd2400\5txcout\6cts\7cd\10dsr" /* * DMA buffer status register bits (DMABSTS). */ #define DMABSTS_TDALIGN 0x80 /* internal data alignment in transmit FIFO */ #define DMABSTS_RSTAPD 0x40 /* reset append mode */ #define DMABSTS_CRTTBUF 0x20 /* internal current transmit buffer in use */ #define DMABSTS_APPEND 0x10 /* append buffer is in use */ #define DMABSTS_NTBUF 0x08 /* next transmit buffer is B (not A) */ #define DMABSTS_TBUSY 0x04 /* current transmit buffer is in use */ #define DMABSTS_NRBUF 0x02 /* next receive buffer is B (not A) */ #define DMABSTS_RBUSY 0x01 /* current receive buffer is in use */ /* * Buffer status register bits ([AB][RT]BSTS). */ #define BSTS_BUSERR 0x80 /* bus error */ #define BSTS_EOFR 0x40 /* end of frame */ #define BSTS_EOBUF 0x20 /* end of buffer */ #define BSTS_APPEND 0x08 /* append mode */ #define BSTS_INTR 0x02 /* interrupt required */ #define BSTS_OWN24 0x01 /* buffer is (free to be) used by CD2400 */ #define BSTS_BITS "\20\1own24\2intr\4append\6eobuf\7eofr\10buserr" /* * Receive interrupt status register (RISR) bits. */ #define RIS_OVERRUN 0x0008 /* overrun error */ #define RIS_BB 0x0800 /* buffer B status (not A) */ #define RIS_EOBUF 0x2000 /* end of buffer reached */ #define RIS_EOFR 0x4000 /* frame reception complete */ #define RIS_BUSERR 0x8000 /* bus error */ #define RISH_CLRDCT 0x0001 /* X.21 clear detect */ #define RISH_RESIND 0x0004 /* residual indication */ #define RISH_CRCERR 0x0010 /* CRC error */ #define RISH_RXABORT 0x0020 /* abort sequence received */ #define RISH_EOFR 0x0040 /* complete frame received */ #define RISH_BITS "\20\1clrdct\3resind\4overrun\5crcerr\6rxabort\7eofr\14bb\16eobuf\17eofr\20buserr" #define RISA_BREAK 0x0001 /* break signal detected */ #define RISA_FRERR 0x0002 /* frame error (bad stop bits) */ #define RISA_PARERR 0x0004 /* parity error */ #define RISA_SCMASK 0x0070 /* special character detect mask */ #define RISA_SCHR1 0x0010 /* special character 1 detected */ #define RISA_SCHR2 0x0020 /* special character 2 detected */ #define RISA_SCHR3 0x0030 /* special character 3 detected */ #define RISA_SCHR4 0x0040 /* special character 4 detected */ #define RISA_SCRANGE 0x0070 /* special character in range detected */ #define RISA_TIMEOUT 0x0080 /* receive timeout, no data */ #define RISA_BITS "\20\1break\2frerr\3parerr\4overrun\5schr1\6schr2\7schr4\10timeout\14bb\16eobuf\17eofr\20buserr" #define RISB_CRCERR 0x0010 /* CRC error */ #define RISB_RXABORT 0x0020 /* abort sequence received */ #define RISB_EOFR 0x0040 /* complete frame received */ #define RISX_LEADCHG 0x0001 /* CTS lead change */ #define RISX_PARERR 0x0004 /* parity error */ #define RISX_SCMASK 0x0070 /* special character detect mask */ #define RISX_SCHR1 0x0010 /* special character 1 detected */ #define RISX_SCHR2 0x0020 /* special character 2 detected */ #define RISX_SCHR3 0x0030 /* special character 3 detected */ #define RISX_ALLZERO 0x0040 /* all 0 condition detected */ #define RISX_ALLONE 0x0050 /* all 1 condition detected */ #define RISX_ALTOZ 0x0060 /* alternating 1 0 condition detected */ #define RISX_SYN 0x0070 /* SYN detected */ #define RISX_LEAD 0x0080 /* leading value */ /* * Channel mode register (CMR) bits. */ #define CMR_RXDMA 0x80 /* DMA receive transfer mode */ #define CMR_TXDMA 0x40 /* DMA transmit transfer mode */ #define CMR_HDLC 0x00 /* HDLC protocol mode */ #define CMR_BISYNC 0x01 /* BISYNC protocol mode */ #define CMR_ASYNC 0x02 /* ASYNC protocol mode */ #define CMR_X21 0x03 /* X.21 protocol mode */ /* * Modem interrupt status register (MISR) bits. */ #define MIS_CDSR 0x80 /* DSR changed */ #define MIS_CCD 0x40 /* CD changed */ #define MIS_CCTS 0x20 /* CTS changed */ #define MIS_CGT2 0x02 /* GT2 timer expired */ #define MIS_CGT1 0x01 /* GT1 timer expired */ #define MIS_BITS "\20\1gt1\2gt2\6ccts\7ccd\10cdsr" /* * Transmit interrupt status register (TISR) bits. */ #define TIS_BUSERR 0x80 /* Bus error */ #define TIS_EOFR 0x40 /* End of frame */ #define TIS_EOBUF 0x20 /* end of transmit buffer reached */ #define TIS_UNDERRUN 0x10 /* transmit underrun */ #define TIS_BB 0x08 /* buffer B status (not A) */ #define TIS_TXEMPTY 0x02 /* transmitter empty */ #define TIS_TXDATA 0x01 /* transmit data below threshold */ #define TIS_BITS "\20\1txdata\2txempty\4bb\5underrun\6eobuf\7eofr\10buserr" /* * Local interrupt vector register (LIVR) bits. */ #define LIV_EXCEP 0 #define LIV_MODEM 1 #define LIV_TXDATA 2 #define LIV_RXDATA 3 /* * Transmit end of interrupt registers (TEOIR) bits. */ #define TEOI_TERMBUFF 0x80 /* force current buffer to be discarded */ #define TEOI_EOFR 0x40 /* end of frame in interrupt mode */ #define TEOI_SETTM2 0x20 /* set general timer 2 in sync mode */ #define TEOI_SETTM1 0x10 /* set general timer 1 in sync mode */ #define TEOI_NOTRANSF 0x08 /* no transfer of data on this interrupt */ /* * Receive end of interrupt registers (REOIR) bits. */ #define REOI_TERMBUFF 0x80 /* force current buffer to be terminated */ #define REOI_DISCEXC 0x40 /* discard exception character */ #define REOI_SETTM2 0x20 /* set general timer 2 */ #define REOI_SETTM1 0x10 /* set general timer 1 */ #define REOI_NOTRANSF 0x08 /* no transfer of data */ #define REOI_GAP_MASK 0x07 /* optional gap size to leave in buffer */ /* * Special transmit command register (STCR) bits. */ #define STC_ABORTTX 0x40 /* abort transmission (HDLC mode) */ #define STC_APPDCMP 0x20 /* append complete (async DMA mode) */ #define STC_SNDSPC 0x08 /* send special characters (async mode) */ #define STC_SSPC_MASK 0x07 /* special character select */ #define STC_SSPC_1 0x01 /* send special character #1 */ #define STC_SSPC_2 0x02 /* send special character #2 */ #define STC_SSPC_3 0x03 /* send special character #3 */ #define STC_SSPC_4 0x04 /* send special character #4 */ /* * Channel status register (CSR) bits, asynchronous mode. */ #define CSRA_RXEN 0x80 /* receiver enable */ #define CSRA_RXFLOFF 0x40 /* receiver flow off */ #define CSRA_RXFLON 0x20 /* receiver flow on */ #define CSRA_TXEN 0x08 /* transmitter enable */ #define CSRA_TXFLOFF 0x04 /* transmitter flow off */ #define CSRA_TXFLON 0x02 /* transmitter flow on */ #define CSRA_BITS "\20\2txflon\3txfloff\4txen\6rxflon\7rxfloff\10rxen"