Annotation of sys/arch/vax/qbus/dhureg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: dhureg.h,v 1.4 2003/04/06 01:33:32 hugh Exp $ */
! 2: /* $NetBSD: dhureg.h,v 1.4 1999/05/28 20:17:29 ragge Exp $ */
! 3: /*
! 4: * Copyright (c) 1996 Ken C. Wellsch. All rights reserved.
! 5: *
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: * 1. Redistributions of source code must retain the above copyright
! 10: * notice, this list of conditions and the following disclaimer.
! 11: * 2. Redistributions in binary form must reproduce the above copyright
! 12: * notice, this list of conditions and the following disclaimer in the
! 13: * documentation and/or other materials provided with the distribution.
! 14: * 3. All advertising materials mentioning features or use of this software
! 15: * must display the following acknowledgement:
! 16: * This product includes software developed by the University of
! 17: * California, Berkeley and its contributors.
! 18: * 4. Neither the name of the University nor the names of its contributors
! 19: * may be used to endorse or promote products derived from this software
! 20: * without specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 25: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 26: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 28: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 29: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 32: * SUCH DAMAGE.
! 33: */
! 34:
! 35: #ifdef notdef
! 36: union w_b
! 37: {
! 38: u_short word;
! 39: struct {
! 40: u_char byte_lo;
! 41: u_char byte_hi;
! 42: } bytes;
! 43: };
! 44:
! 45: struct DHUregs
! 46: {
! 47: volatile union w_b u_csr; /* Control/Status Register (R/W) */
! 48: volatile u_short dhu_rbuf; /* Receive Buffer (R only) */
! 49: #define dhu_txchar dhu_rbuf /* Transmit Character (W only) */
! 50: volatile u_short dhu_lpr; /* Line Parameter Register (R/W) */
! 51: volatile u_short dhu_stat; /* Line Status (R only) */
! 52: volatile u_short dhu_lnctrl; /* Line Control (R/W) */
! 53: volatile u_short dhu_tbufad1; /* Transmit Buffer Address 1 (R/W) */
! 54: volatile u_short dhu_tbufad2; /* Transmit Buffer Address 2 (R/W) */
! 55: volatile u_short dhu_tbufcnt; /* Transmit Buffer Count (R/W) */
! 56: };
! 57:
! 58: #define dhu_csr u_csr.word
! 59: #define dhu_csr_lo u_csr.bytes.byte_lo
! 60: #define dhu_csr_hi u_csr.bytes.byte_hi
! 61:
! 62: typedef struct DHUregs dhuregs;
! 63: #endif
! 64:
! 65: #define DHU_UBA_CSR 0
! 66: #define DHU_UBA_CSR_HI 1
! 67: #define DHU_UBA_RBUF 2
! 68: #define DHU_UBA_TXCHAR 2
! 69: #define DHU_UBA_RXTIME DHU_UBA_TXCHAR /* on a real dhu only */
! 70: #define DHU_UBA_LPR 4
! 71: #define DHU_UBA_STAT 6
! 72: #define DHU_UBA_FIFO DHU_UBA_STAT /* on a real dhu only */
! 73: #define DHU_UBA_LNCTRL 8
! 74: #define DHU_UBA_TBUFAD1 10
! 75: #define DHU_UBA_TBUFAD2 12
! 76: #define DHU_UBA_TBUFCNT 14
! 77:
! 78: /* CSR bits */
! 79:
! 80: #define DHU_CSR_TX_ACTION 0100000
! 81: #define DHU_CSR_TXIE 0040000
! 82: #define DHU_CSR_DIAG_FAIL 0020000
! 83: #define DHU_CSR_TX_DMA_ERROR 0010000
! 84: #define DHU_CSR_TX_LINE_MASK 0007400
! 85: #define DHU_CSR_RX_DATA_AVAIL 0000200
! 86: #define DHU_CSR_RXIE 0000100
! 87: #define DHU_CSR_MASTER_RESET 0000040
! 88: #define DHU_CSR_UNUSED 0000020
! 89: #define DHU_CSR_CHANNEL_MASK 0000017
! 90:
! 91: /* RBUF bits */
! 92:
! 93: #define DHU_RBUF_DATA_VALID 0100000
! 94: #define DHU_RBUF_OVERRUN_ERR 0040000
! 95: #define DHU_RBUF_FRAMING_ERR 0020000
! 96: #define DHU_RBUF_PARITY_ERR 0010000
! 97: #define DHU_RBUF_RX_LINE_MASK 0007400
! 98:
! 99: #define DHU_DIAG_CODE 0070001
! 100: #define DHU_MODEM_CODE 0070000
! 101:
! 102: /* TXCHAR bits */
! 103:
! 104: #define DHU_TXCHAR_DATA_VALID 0100000
! 105:
! 106: /* LPR bits */
! 107:
! 108: #define DHU_LPR_B50 0x0
! 109: #define DHU_LPR_B75 0x1
! 110: #define DHU_LPR_B110 0x2
! 111: #define DHU_LPR_B134 0x3
! 112: #define DHU_LPR_B150 0x4
! 113: #define DHU_LPR_B300 0x5
! 114: #define DHU_LPR_B600 0x6
! 115: #define DHU_LPR_B1200 0x7
! 116: #define DHU_LPR_B1800 0x8
! 117: #define DHU_LPR_B2000 0x9
! 118: #define DHU_LPR_B2400 0xA
! 119: #define DHU_LPR_B4800 0xB
! 120: #define DHU_LPR_B7200 0xC
! 121: #define DHU_LPR_B9600 0xD
! 122: #define DHU_LPR_B19200 0xE
! 123: #define DHU_LPR_B38400 0xF
! 124:
! 125: #define DHU_LPR_5_BIT_CHAR 0000000
! 126: #define DHU_LPR_6_BIT_CHAR 0000010
! 127: #define DHU_LPR_7_BIT_CHAR 0000020
! 128: #define DHU_LPR_8_BIT_CHAR 0000030
! 129: #define DHU_LPR_PARENB 0000040
! 130: #define DHU_LPR_EPAR 0000100
! 131: #define DHU_LPR_2_STOP 0000200
! 132:
! 133: /* STAT bits */
! 134:
! 135: #define DHU_STAT_DSR 0100000
! 136: #define DHU_STAT_RI 0020000
! 137: #define DHU_STAT_DCD 0010000
! 138: #define DHU_STAT_CTS 0004000
! 139: #define DHU_STAT_MDL 0001000
! 140: #define DHU_STAT_DHU 0000400
! 141:
! 142: /* LNCTRL bits */
! 143:
! 144: #define DHU_LNCTRL_DMA_ABORT 0000001
! 145: #define DHU_LNCTRL_IAUTO 0000002
! 146: #define DHU_LNCTRL_RX_ENABLE 0000004
! 147: #define DHU_LNCTRL_BREAK 0000010
! 148: #define DHU_LNCTRL_OAUTO 0000020
! 149: #define DHU_LNCTRL_FORCE_XOFF 0000040
! 150: #define DHU_LNCTRL_LINK_TYPE 0000400
! 151: #define DHU_LNCTRL_DTR 0001000
! 152: #define DHU_LNCTRL_RTS 0010000
! 153:
! 154: /* TBUFAD2 bits */
! 155:
! 156: #define DHU_TBUFAD2_DMA_START 0000200
! 157: #define DHU_TBUFAD2_TX_ENABLE 0100000
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