Annotation of sys/dev/ic/cd1400reg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: cd1400reg.h,v 1.4 1998/05/20 19:29:23 deraadt Exp $ */
! 2: /* $NetBSD: cd1400reg.h,v 1.3 1996/09/24 18:02:33 christos Exp $ */
! 3:
! 4: /*-
! 5: * cyclades cyclom-y serial driver
! 6: * Andrew Herbert <andrew@werple.apana.org.au>, 17 August 1993
! 7: *
! 8: * Copyright (c) 1993 Andrew Herbert.
! 9: * All rights reserved.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. The name Andrew Herbert may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
! 23: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
! 24: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
! 25: * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
! 26: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! 27: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
! 28: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
! 29: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
! 30: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
! 31: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 32: */
! 33:
! 34: /*
! 35: * Definitions for Cirrus Logic CD1400 serial/parallel chips.
! 36: */
! 37:
! 38: #define CD1400_NO_OF_CHANNELS 4 /* 4 serial channels per chip */
! 39: #define CD1400_RX_FIFO_SIZE 12
! 40: #define CD1400_TX_FIFO_SIZE 12
! 41: #define CD1400_PAR_FIFO_SIZE 30
! 42:
! 43: /*
! 44: * Global registers.
! 45: */
! 46: #define CD1400_GFRCR 0x40 /* global firmware revision code */
! 47: #define CD1400_CAR 0x68 /* channel access */
! 48: #define CD1400_CAR_CHAN (3<<0) /* channel select */
! 49: #define CD1400_GCR 0x4B /* global configuration */
! 50: #define CD1400_GCR_PARALLEL (1<<7) /* channel 0 is parallel */
! 51: #define CD1400_SVRR 0x67 /* service request */
! 52: #define CD1400_SVRR_MDMCH (1<<2)
! 53: #define CD1400_SVRR_TXRDY (1<<1)
! 54: #define CD1400_SVRR_RXRDY (1<<0)
! 55: #define CD1400_RICR 0x44 /* receive interrupting channel */
! 56: #define CD1400_TICR 0x45 /* transmit interrupting channel */
! 57: #define CD1400_MICR 0x46 /* modem interrupting channel */
! 58: #define CD1400_RIR 0x6B /* receive interrupt status */
! 59: #define CD1400_RIR_RDIREQ (1<<7) /* rx service required */
! 60: #define CD1400_RIR_RBUSY (1<<6) /* rx service in progress */
! 61: #define CD1400_RIR_CHAN (3<<0) /* channel select */
! 62: #define CD1400_TIR 0x6A /* transmit interrupt status */
! 63: #define CD1400_TIR_RDIREQ (1<<7) /* tx service required */
! 64: #define CD1400_TIR_RBUSY (1<<6) /* tx service in progress */
! 65: #define CD1400_TIR_CHAN (3<<0) /* channel select */
! 66: #define CD1400_MIR 0x69 /* modem interrupt status */
! 67: #define CD1400_MIR_RDIREQ (1<<7) /* modem service required */
! 68: #define CD1400_MIR_RBUSY (1<<6) /* modem service in progress */
! 69: #define CD1400_MIR_CHAN (3<<0) /* channel select */
! 70: #define CD1400_PPR 0x7E /* prescaler period */
! 71: #define CD1400_PPR_PRESCALER 512
! 72:
! 73: /*
! 74: * Virtual registers.
! 75: */
! 76: #define CD1400_RIVR 0x43 /* receive interrupt vector */
! 77: #define CD1400_RIVR_EXCEPTION (1<<2) /* receive exception bit */
! 78: #define CD1400_TIVR 0x42 /* transmit interrupt vector */
! 79: #define CD1400_MIVR 0x41 /* modem interrupt vector */
! 80: #define CD1400_TDR 0x63 /* transmit data */
! 81: #define CD1400_RDSR 0x62 /* receive data/status */
! 82: #define CD1400_RDSR_TIMEOUT (1<<7) /* rx timeout */
! 83: #define CD1400_RDSR_SPECIAL_SHIFT 4 /* rx special char shift */
! 84: #define CD1400_RDSR_SPECIAL (7<<4) /* rx special char */
! 85: #define CD1400_RDSR_BREAK (1<<3) /* rx break */
! 86: #define CD1400_RDSR_PE (1<<2) /* rx parity error */
! 87: #define CD1400_RDSR_FE (1<<1) /* rx framing error */
! 88: #define CD1400_RDSR_OE (1<<0) /* rx overrun error */
! 89: #define CD1400_MISR 0x4C /* modem interrupt status */
! 90: #define CD1400_MISR_DSRd (1<<7) /* DSR delta */
! 91: #define CD1400_MISR_CTSd (1<<6) /* CTS delta */
! 92: #define CD1400_MISR_RId (1<<5) /* RI delta */
! 93: #define CD1400_MISR_CDd (1<<4) /* CD delta */
! 94: #define CD1400_EOSRR 0x60 /* end of service request */
! 95:
! 96: /*
! 97: * Channel registers.
! 98: */
! 99: #define CD1400_LIVR 0x18 /* local interrupt vector */
! 100: #define CD1400_CCR 0x05 /* channel control */
! 101: #define CD1400_CCR_CMDRESET (1<<7) /* enables following: */
! 102: #define CD1400_CCR_FTF (1<<1) /* flush tx fifo */
! 103: #define CD1400_CCR_FULLRESET (1<<0) /* full reset */
! 104: #define CD1400_CCR_CMDCORCHG (1<<6) /* enables following: */
! 105: #define CD1400_CCR_COR3 (1<<3) /* COR3 changed */
! 106: #define CD1400_CCR_COR2 (1<<2) /* COR2 changed */
! 107: #define CD1400_CCR_COR1 (1<<1) /* COR1 changed */
! 108: #define CD1400_CCR_CMDSENDSC (1<<5) /* enables following: */
! 109: #define CD1400_CCR_SC (7<<0) /* special char 1-4 */
! 110: #define CD1400_CCR_CMDCHANCTL (1<<4) /* enables following: */
! 111: #define CD1400_CCR_XMTEN (1<<3) /* tx enable */
! 112: #define CD1400_CCR_XMTDIS (1<<2) /* tx disable */
! 113: #define CD1400_CCR_RCVEN (1<<1) /* rx enable */
! 114: #define CD1400_CCR_RCVDIS (1<<0) /* rx disable */
! 115: #define CD1400_SRER 0x06 /* service request enable */
! 116: #define CD1400_SRER_MDMCH (1<<7) /* modem change */
! 117: #define CD1400_SRER_RXDATA (1<<4) /* rx data */
! 118: #define CD1400_SRER_TXRDY (1<<2) /* tx fifo empty */
! 119: #define CD1400_SRER_TXMPTY (1<<1) /* tx shift reg empty */
! 120: #define CD1400_SRER_NNDT (1<<0) /* no new data */
! 121: #define CD1400_COR1 0x08 /* channel option 1 */
! 122: #define CD1400_COR1_PARODD (1<<7)
! 123: #define CD1400_COR1_PARNORMAL (2<<5)
! 124: #define CD1400_COR1_PARFORCE (1<<5) /* odd/even = force 1/0 */
! 125: #define CD1400_COR1_PARNONE (0<<5)
! 126: #define CD1400_COR1_NOINPCK (1<<4)
! 127: #define CD1400_COR1_STOP2 (2<<2)
! 128: #define CD1400_COR1_STOP15 (1<<2) /* 1.5 stop bits */
! 129: #define CD1400_COR1_STOP1 (0<<2)
! 130: #define CD1400_COR1_CS8 (3<<0)
! 131: #define CD1400_COR1_CS7 (2<<0)
! 132: #define CD1400_COR1_CS6 (1<<0)
! 133: #define CD1400_COR1_CS5 (0<<0)
! 134: #define CD1400_COR2 0x09 /* channel option 2 */
! 135: #define CD1400_COR2_IXANY (1<<7) /* implied XON mode */
! 136: #define CD1400_COR2_IXOFF (1<<6) /* in-band tx flow control */
! 137: #define CD1400_COR2_ETC (1<<5) /* embedded tx command */
! 138: #define CD1400_COR2_LLM (1<<4) /* local loopback mode */
! 139: #define CD1400_COR2_RLM (1<<3) /* remote loopback mode */
! 140: #define CD1400_COR2_RTSAO (1<<2) /* RTS auto output */
! 141: #define CD1400_COR2_CCTS_OFLOW (1<<1) /* CTS auto enable */
! 142: #define CD1400_COR2_CDSR_OFLOW (1<<0) /* DSR auto enable */
! 143: #define CD1400_COR3 0x0A /* channel option 3 */
! 144: #define CD1400_COR3_SCDRNG (1<<7) /* special char detect range */
! 145: #define CD1400_COR3_SCD34 (1<<6) /* special char detect 3-4 */
! 146: #define CD1400_COR3_FTC (1<<5) /* flow control transparency */
! 147: #define CD1400_COR3_SCD12 (1<<4) /* special char detect 1-2 */
! 148: #define CD1400_COR3_RXTH (15<<0) /* rx fifo threshold */
! 149: #define CD1400_COR4 0x1E /* channel option 4 */
! 150: #define CD1400_COR4_IGNCR (1<<7)
! 151: #define CD1400_COR4_ICRNL (1<<6)
! 152: #define CD1400_COR4_INLCR (1<<5)
! 153: #define CD1400_COR4_IGNBRK (1<<4)
! 154: #define CD1400_COR4_NOBRKINT (1<<3)
! 155: #define CD1400_COR4_PFO_ESC (4<<0) /* parity/framing/overrun... */
! 156: #define CD1400_COR4_PFO_NUL (3<<0)
! 157: #define CD1400_COR4_PFO_DISCARD (2<<0)
! 158: #define CD1400_COR4_PFO_GOOD (1<<0)
! 159: #define CD1400_COR4_PFO_EXCEPTION (0<<0)
! 160: #define CD1400_COR5 0x1F /* channel option 5 */
! 161: #define CD1400_COR5_ISTRIP (1<<7)
! 162: #define CD1400_COR5_LNEXT (1<<6)
! 163: #define CD1400_COR5_CMOE (1<<5) /* char matching on error */
! 164: #define CD1400_COR5_EBD (1<<2) /* end of break detected */
! 165: #define CD1400_COR5_ONLCR (1<<1)
! 166: #define CD1400_COR5_OCRNL (1<<0)
! 167: #define CD1400_CCSR 0x0B /* channel control status */
! 168: #define CD1400_RDCR 0x0E /* received data count */
! 169: #define CD1400_SCHR1 0x1A /* special character 1 */
! 170: #define CD1400_SCHR2 0x1B /* special character 2 */
! 171: #define CD1400_SCHR3 0x1C /* special character 3 */
! 172: #define CD1400_SCHR4 0x1D /* special character 4 */
! 173: #define CD1400_SCRL 0x22 /* special character range, low */
! 174: #define CD1400_SCRH 0x23 /* special character range, high */
! 175: #define CD1400_LNC 0x24 /* lnext character */
! 176: #define CD1400_MCOR1 0x15 /* modem change option 1 */
! 177: #define CD1400_MCOR1_DSRzd (1<<7) /* DSR one-to-zero delta */
! 178: #define CD1400_MCOR1_CTSzd (1<<6)
! 179: #define CD1400_MCOR1_RIzd (1<<5)
! 180: #define CD1400_MCOR1_CDzd (1<<4)
! 181: #define CD1400_MCOR1_DTRth (15<<0) /* dtrflow threshold */
! 182: #define CD1400_MCOR2 0x16 /* modem change option 2 */
! 183: #define CD1400_MCOR2_DSRod (1<<7) /* DSR zero-to-one delta */
! 184: #define CD1400_MCOR2_CTSod (1<<6)
! 185: #define CD1400_MCOR2_RIod (1<<5)
! 186: #define CD1400_MCOR2_CDod (1<<4)
! 187: #define CD1400_RTPR 0x21 /* receive timeout period */
! 188: #define CD1400_MSVR1 0x6C /* modem signal value 1 */
! 189: #define CD1400_MSVR1_RTS (1<<0) /* RTS line (r/w) */
! 190: #define CD1400_MSVR2 0x6D /* modem signal value 2 */
! 191: #define CD1400_MSVR2_DSR (1<<7) /* !DSR line (r) */
! 192: #define CD1400_MSVR2_CTS (1<<6) /* !CTS line (r) */
! 193: #define CD1400_MSVR2_RI (1<<5) /* !RI line (r) */
! 194: #define CD1400_MSVR2_CD (1<<4) /* !CD line (r) */
! 195: #define CD1400_MSVR2_DTR (1<<1) /* DTR line (r/w) */
! 196: #define CD1400_PSVR 0x6F /* printer signal value */
! 197: #define CD1400_RBPR 0x78 /* receive baud rate period */
! 198: #define CD1400_RCOR 0x7C /* receive clock option */
! 199: #define CD1400_TBPR 0x72 /* transmit baud rate period */
! 200: #define CD1400_TCOR 0x76 /* transmit clock option */
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