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/* $OpenBSD: sab82532reg.h,v 1.2 2002/04/08 17:49:42 jason Exp $ */ /*- * Copyright (c) 2001 Jason L. Wright (jason@thought.net) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Jason L. Wright * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * Effort sponsored in part by the Defense Advanced Research Projects * Agency (DARPA) and Air Force Research Laboratory, Air Force * Materiel Command, USAF, under agreement number F30602-01-2-0537. * * $FreeBSD: release/9.1.0/sys/dev/ic/sab82532.h 139749 2005-01-06 01:43:34Z imp $ */ #ifndef _DEV_IC_SAB82532_H_ #define _DEV_IC_SAB82532_H_ /* * Register definitions for SAB82532 based on "Enhanced Serial Communication * Controller ESCC2 Version 3.2 User's Manual 07.96" from: * http://www.infineon.com */ #define SAB_NCHAN 2 /* number of channels */ #define SAB_CHANLEN 0x40 /* length of channel register set */ #define SAB_CHAN_A 0x00 /* channel A register offset */ #define SAB_CHAN_B 0x40 /* channel B register offset */ #define SAB_RFIFO 0x00 /* r: rx fifo */ #define SAB_XFIFO 0x00 /* w: tx fifo */ #define SAB_STAR 0x20 /* r: status register */ #define SAB_CMDR 0x20 /* w: command register */ #define SAB_MODE 0x22 /* rw: mode register */ #define SAB_TIMR 0x23 /* rw: timer register */ #define SAB_XON 0x24 /* rw: xon character */ #define SAB_XOFF 0x25 /* rw: xoff character */ #define SAB_TCR 0x26 /* rw: termination character */ #define SAB_DAFO 0x27 /* rw: data format */ #define SAB_RFC 0x28 /* rw: rfifo control register */ #define SAB_RBCL 0x2a /* r: rx byte count low */ #define SAB_TBCL 0x2a /* w: tx byte count low */ #define SAB_RBCH 0x2b /* r: rx byte count high */ #define SAB_XBCH 0x2b /* w: tx byte count high */ #define SAB_CCR0 0x2c /* rw: channel configuration register 0 */ #define SAB_CCR1 0x2d /* rw: channel configuration register 1 */ #define SAB_CCR2 0x2e /* rw: channel configuration register 2 */ #define SAB_CCR3 0x2f /* rw: channel configuration register 3 */ #define SAB_TSAX 0x30 /* w: time-slot assignment register tx */ #define SAB_TSAR 0x31 /* w: time-slot assignment register rx */ #define SAB_XCCR 0x32 /* w: tx channel capacity register */ #define SAB_RCCR 0x33 /* w: receive channel capacity register */ #define SAB_VSTR 0x34 /* r: version status */ #define SAB_BGR 0x34 /* w: baud rate generator */ #define SAB_TIC 0x35 /* w: transmit immediate character */ #define SAB_MXN 0x36 /* w: mask xon character */ #define SAB_MXF 0x37 /* w: mask xoff character */ #define SAB_GIS 0x38 /* r: global interrupt status */ #define SAB_IVA 0x38 /* w: interrupt vector address */ #define SAB_IPC 0x39 /* rw: interrupt port configuration */ #define SAB_ISR0 0x3a /* r: interrupt status 0 */ #define SAB_IMR0 0x3a /* w: interrupt mask 0 */ #define SAB_ISR1 0x3b /* r: interrupt status 1 */ #define SAB_IMR1 0x3b /* w: interrupt mask 1 */ #define SAB_PVR 0x3c /* rw: port value register */ #define SAB_PIS 0x3d /* r: port interrupt status */ #define SAB_PIM 0x3d /* w: port interrupt mask */ #define SAB_PCR 0x3e /* w: port configuration register */ #define SAB_CCR4 0x3f /* rw: channel configuration register 4 */ /* SAB_STAR: status register */ #define SAB_STAR_XDOV 0x80 /* transmit data overflow */ #define SAB_STAR_XFW 0x40 /* transmit fifo write enable */ #define SAB_STAR_RFNE 0x20 /* rfifo not empty */ #define SAB_STAR_FCS 0x10 /* flow control status */ #define SAB_STAR_TEC 0x08 /* tx immediate char is executing */ #define SAB_STAR_CEC 0x04 /* command is executing */ #define SAB_STAR_CTS 0x02 /* cts status: 0:inactive/high,1:active/low */ /* SAB_CMDR: command register */ #define SAB_CMDR_RMC 0x80 /* receive message complete */ #define SAB_CMDR_RRES 0x40 /* receiver reset */ #define SAB_CMDR_RFRD 0x20 /* receive fifo read enable */ #define SAB_CMDR_STI 0x10 /* start timer */ #define SAB_CMDR_XF 0x08 /* transmit frame */ #define SAB_CMDR_XRES 0x01 /* transmit reset */ /* SAB_MODE: mode register */ #define SAB_MODE_FRTS 0x40 /* flow control using rts */ #define SAB_MODE_FCTS 0x20 /* flow control using cts */ #define SAB_MODE_FLON 0x10 /* flow control on */ #define SAB_MODE_RAC 0x08 /* receiver active */ #define SAB_MODE_RTS 0x04 /* request to send */ #define SAB_MODE_TRS 0x02 /* timer resolution */ #define SAB_MODE_TLP 0x01 /* test loop */ /* SAB_TIMR: timer register */ #define SAB_TIMR_CNT 0xe0 /* count mask */ #define SAB_TIMR_VAL 0x1f /* value mask */ /* SAB_DAFO: data format */ #define SAB_DAFO_XBRK 0x40 /* transmit break */ #define SAB_DAFO_STOP 0x20 /* stop bit: 0:1 bit, 1:2 bits */ #define SAB_DAFO_PAR1 0x10 /* parity 1, see below */ #define SAB_DAFO_PAR0 0x08 /* parity 0, see below */ #define SAB_DAFO_PARE 0x04 /* parity enable */ #define SAB_DAFO_CHL1 0x02 /* character length 1, see below */ #define SAB_DAFO_CHL0 0x01 /* character length 0, see below */ #define SAB_DAFO_CHL_CSIZE (SAB_DAFO_CHL1|SAB_DAFO_CHL0) #define SAB_DAFO_CHL_CS5 (SAB_DAFO_CHL1|SAB_DAFO_CHL0) #define SAB_DAFO_CHL_CS6 (SAB_DAFO_CHL1) #define SAB_DAFO_CHL_CS7 (SAB_DAFO_CHL0) #define SAB_DAFO_CHL_CS8 (0) #define SAB_DAFO_PARMASK (SAB_DAFO_PAR1|SAB_DAFO_PAR0|SAB_DAFO_PARE) #define SAB_DAFO_PAR_MARK (SAB_DAFO_PAR1|SAB_DAFO_PAR0|SAB_DAFO_PARE) #define SAB_DAFO_PAR_EVEN (SAB_DAFO_PAR1|SAB_DAFO_PARE) #define SAB_DAFO_PAR_ODD (SAB_DAFO_PAR0|SAB_DAFO_PARE) #define SAB_DAFO_PAR_SPACE (SAB_DAFO_PARE) #define SAB_DAFO_PAR_NONE (0) /* SAB_RFC: rfifo control register */ #define SAB_RFC_DPS 0x40 /* disable parity storage */ #define SAB_RFC_DXS 0x20 /* disable storage of xon/xoff characters */ #define SAB_RFC_RFDF 0x10 /* rfifo data format: 0 data,1 data+stat */ #define SAB_RFC_RFTH1 0x08 /* rfifo threshold level 1, see below */ #define SAB_RFC_RFTH0 0x04 /* rfifo threshold level 0, see below */ #define SAB_RFC_TCDE 0x01 /* termination character detection enable */ #define SAB_RFC_RFTH_MASK (SAB_RFC_RFTH1|SAB_RFC_RFTH0) #define SAB_RFC_RFTH_32CHAR (SAB_RFC_RFTH1|SAB_RFC_RFTH0) #define SAB_RFC_RFTH_16CHAR (SAB_RFC_RFTH1) #define SAB_RFC_RFTH_4CHAR (SAB_RFC_RFTH0) #define SAB_RFC_RFTH_1CHAR (0) /* SAB_RBCH: received byte count high */ #define SAB_RBCH_DMA 0x80 /* read back of XBCH DMA bit */ #define SAB_RBCH_CAS 0x20 /* read back of XBCH CAS bit */ #define SAB_RBCH_CNT 0x0f /* ms 4 bits of rx byte count (not used) */ /* SAB_XBCH: transmit byte count high */ #define SAB_XBCH_DMA 0x80 /* dma mode: 1:dma, 0:interrupt */ #define SAB_XBCH_CAS 0x20 /* carrier detect auto-start */ #define SAB_XBCH_XC 0x10 /* transmit continuously */ #define SAB_XBCH_CNT 0x0f /* ms 4 bits of tx byte count */ /* SAB_CCR0: channel configuration register 0 */ #define SAB_CCR0_PU 0x80 /* 0:power-down, 1:power-up */ #define SAB_CCR0_MCE 0x40 /* master clock enable */ #define SAB_CCR0_SC2 0x10 /* serial port config 2, see below */ #define SAB_CCR0_SC1 0x08 /* serial port config 1, see below */ #define SAB_CCR0_SC0 0x04 /* serial port config 0, see below */ #define SAB_CCR0_SM1 0x02 /* serial mode 1, see below */ #define SAB_CCR0_SM0 0x01 /* serial mode 0, see below */ #define SAB_CCR0_SC_MASK (SAB_CCR0_SC2|SAB_CCR0_SC1|SAB_CCR0_SC0) #define SAB_CCR0_SC_NRZ (0) #define SAB_CCR0_SC_NRZI (SAB_CCR0_SC1) #define SAB_CCR0_SC_FM0 (SAB_CCR0_SC2) #define SAB_CCR0_SC_FM1 (SAB_CCR0_SC2|SAB_CCR0_SC0) #define SAB_CCR0_SC_MANCHESTER (SAB_CCR0_SC2|SAB_CCR0_SC1) #define SAB_CCR0_SM_MASK (SAB_CCR0_SM1|SAB_CCR0_SM0) #define SAB_CCR0_SM_DLC (0) #define SAB_CCR0_SM_DLCLOOP (SAB_CCR0_SM0) #define SAB_CCR0_SM_BISYNC (SAB_CCR0_SM1) #define SAB_CCR0_SM_ASYNC (SAB_CCR0_SM1|SAB_CCR0_SM0) /* SAB_CCR1: channel configuration register 1 */ #define SAB_CCR1_ODS 0x10 /* Output driver select:1:pushpull,0:odrain */ #define SAB_CCR1_BCR 0x08 /* bit clock rate: 1:async, 0:isochronous */ #define SAB_CCR1_CM2 0x04 /* clock mode 2, see below */ #define SAB_CCR1_CM1 0x02 /* clock mode 1, see below */ #define SAB_CCR1_CM0 0x01 /* clock mode 0, see below */ #define SAB_CCR1_CM_MASK (SAB_CCR1_CM2|SAB_CCR1_CM1|SAB_CCR1_CM0) #define SAB_CCR1_CM_7 (SAB_CCR1_CM2|SAB_CCR1_CM1|SAB_CCR1_CM0) /* SAB_CCR2: channel configuration register 2, depends on clock mode above */ /* clock mode 0a, 1, 4, 5 */ #define SAB_CCR2_SOC1 0x80 /* special output 1, below */ #define SAB_CCR2_SOC0 0x40 /* special output 0, below */ #define SAB_CCR2_SOC_MASK (SAB_CCR2_SOC1|SAB_CCR2_SOC0) #define SAB_CCR2_SOC_RTSHIGH (SAB_CCR2_SOC1) #define SAB_CCR2_SOC_RTSNORM (0) #define SAB_CCR2_SOC_RTSRX (SAB_CCR2_SOC1|SAB_CCR2_SOC0) /* clock mode 0b, 2, 3, 6, 7 */ #define SAB_CCR2_BR9 0x80 /* baud rate bit 9 */ #define SAB_CCR2_BR8 0x40 /* baud rate bit 8 */ #define SAB_CCR2_BDF 0x20 /* baud rate division factor: 0:1: 1:BRG */ #define SAB_CCR2_SSEL 0x10 /* clock source select */ /* clock mode 5 */ #define SAB_CCR2_XCS0 0x20 /* tx clock shift, bit 0 */ #define SAB_CCR2_RCS0 0x10 /* rx clock shift, bit 0 */ /* clock mode 0b, 2, 3, 4, 5, 6, 7 */ #define SAB_CCR2_TOE 0x08 /* tx clock output enable */ /* clock mode 0a, 0b, 1, 2, 3, 4, 5, 6, 7 */ #define SAB_CCR2_RWX 0x04 /* read/write exchange (dma mode only) */ #define SAB_CCR2_DIV 0x01 /* data inversion (nrz) */ /* SAB_CCR3: channel configuration register 3 (v2 or greater) */ #define SAB_CCR3_PSD 0x01 /* dpll phase shift disable (nrz/nrzi) */ /* SAB_TSAX: time-slot assignment register transmit (clock mode 5 only) */ #define SAB_TSAX_TSNX 0xfc /* time-slot number transmit */ #define SAB_TSAX_XCS2 0x02 /* transmit clock shift bit 2 */ #define SAB_TSAX_XCS1 0x01 /* transmit clock shift bit 1 */ /* SAB_TSAR: time-slot assignment register receive (clock mode 5 only) */ #define SAB_TSAR_TSNR 0xfc /* time-slot number receive */ #define SAB_TSAR_RCS2 0x02 /* receive clock shift bit 2 */ #define SAB_TSAR_RCS1 0x01 /* receive clock shift bit 1 */ /* SAB_VSTR: version status register */ #define SAB_VSTR_CD 0x80 /* carrier detect status */ #define SAB_VSTR_DPLA 0x40 /* dpll asynchronous */ #define SAB_VSTR_VMASK 0x0f /* chip version mask: */ #define SAB_VSTR_V_1 0x00 /* version 1 */ #define SAB_VSTR_V_2 0x01 /* version 2 */ #define SAB_VSTR_V_32 0x02 /* version 3.2 */ /* SAB_GIS: global interrupt status register */ #define SAB_GIS_PI 0x80 /* universal port interrupt */ #define SAB_GIS_ISA1 0x08 /* interrupt status a1 */ #define SAB_GIS_ISA0 0x04 /* interrupt status a0 */ #define SAB_GIS_ISB1 0x02 /* interrupt status b1 */ #define SAB_GIS_ISB0 0x01 /* interrupt status b0 */ /* SAB_IVA: interrupt vector address */ #define SAB_IVA_MASK 0xf8 /* interrupt vector address mask */ /* SAB_IPC: interrupt port configuration */ #define SAB_IPC_VIS 0x80 /* masked interrupt bits visible */ #define SAB_IPC_SLAMASK 0x18 /* slave address mask */ #define SAB_IPC_CASM 0x04 /* cascading mode */ #define SAB_IPC_ICMASK 0x03 /* port config mask: */ #define SAB_IPC_ICOD 0x00 /* open drain output */ #define SAB_IPC_ICPL 0x01 /* push/pull active low output */ #define SAB_IPC_ICPH 0x03 /* push/pull active high output */ /* SAB_ISR0: interrupt status 0 */ #define SAB_ISR0_TCD 0x80 /* termination character detected */ #define SAB_ISR0_TIME 0x40 /* time-out limit exceeded */ #define SAB_ISR0_PERR 0x20 /* parity error */ #define SAB_ISR0_FERR 0x10 /* framing error */ #define SAB_ISR0_PLLA 0x08 /* dpll asynchronous */ #define SAB_ISR0_CDSC 0x04 /* carrier detect status change */ #define SAB_ISR0_RFO 0x02 /* rfifo overflow */ #define SAB_ISR0_RPF 0x01 /* receive pool full */ /* SAB_ISR1: interrupt status 1 */ #define SAB_ISR1_BRK 0x80 /* break detected */ #define SAB_ISR1_BRKT 0x40 /* break terminated */ #define SAB_ISR1_ALLS 0x20 /* all sent */ #define SAB_ISR1_XOFF 0x10 /* xoff detected */ #define SAB_ISR1_TIN 0x08 /* timer interrupt */ #define SAB_ISR1_CSC 0x04 /* clear to send status change */ #define SAB_ISR1_XON 0x02 /* xon detected */ #define SAB_ISR1_XPR 0x01 /* transmit pool ready */ /* SAB_IMR0: interrupt mask 0 */ #define SAB_IMR0_TCD 0x80 /* termination character detected */ #define SAB_IMR0_TIME 0x40 /* time-out limit exceeded */ #define SAB_IMR0_PERR 0x20 /* parity error */ #define SAB_IMR0_FERR 0x10 /* framing error */ #define SAB_IMR0_PLLA 0x08 /* dpll asynchronous */ #define SAB_IMR0_CDSC 0x04 /* carrier detect status change */ #define SAB_IMR0_RFO 0x02 /* rfifo overflow */ #define SAB_IMR0_RPF 0x01 /* receive pool full */ /* SAB_ISR1: interrupt mask 1 */ #define SAB_IMR1_BRK 0x80 /* break detected */ #define SAB_IMR1_BRKT 0x40 /* break terminated */ #define SAB_IMR1_ALLS 0x20 /* all sent */ #define SAB_IMR1_XDU 0x10 /* xoff detected */ #define SAB_IMR1_TIN 0x08 /* timer interrupt */ #define SAB_IMR1_CSC 0x04 /* clear to send status change */ #define SAB_IMR1_XMR 0x02 /* xon detected */ #define SAB_IMR1_XPR 0x01 /* transmit pool ready */ /* SAB_PVR: port value register */ #define SAB_PVR_DSR_A 0x01 /* port A DSR */ #define SAB_PVR_DTR_A 0x02 /* port A DTR */ #define SAB_PVR_DTR_B 0x04 /* port B DTR */ #define SAB_PVR_DSR_B 0x08 /* port B DSR */ #define SAB_PVR_MAGIC 0x10 /* dunno... */ /* SAB_CCR4: channel configuration register 4 */ #define SAB_CCR4_MCK4 0x80 /* master clock divide by 4 */ #define SAB_CCR4_EBRG 0x40 /* enhanced baud rate generator mode */ #define SAB_CCR4_TST1 0x20 /* test pin */ #define SAB_CCR4_ICD 0x10 /* invert polarity of carrier detect */ /* Receive status byte */ #define SAB_RSTAT_PE 0x80 /* parity error */ #define SAB_RSTAT_FE 0x40 /* framing error */ #define SAB_RSTAT_PAR 0x01 /* parity bit */ #endif /* _DEV_IC_SAB82532_H_ */