Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ppbus/ppb_1284.h
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
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1 /*- 2 * Copyright (c) 1997 Nicolas Souchu 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 * 28 */ 29 #ifndef __1284_H 30 #define __1284_H 31 32 /* 33 * IEEE1284 signals 34 */ 35 36 /* host driven signals */ 37 38 #define nHostClk STROBE 39 #define Write STROBE 40 41 #define nHostBusy AUTOFEED 42 #define nHostAck AUTOFEED 43 #define DStrb AUTOFEED 44 45 #define nReveseRequest nINIT 46 47 #define nActive1284 SELECTIN 48 #define AStrb SELECTIN 49 50 /* peripheral driven signals */ 51 52 #define nDataAvail nFAULT 53 #define nPeriphRequest nFAULT 54 55 #define Xflag SELECT 56 57 #define AckDataReq PERROR 58 #define nAckReverse PERROR 59 60 #define nPtrBusy nBUSY 61 #define nPeriphAck nBUSY 62 #define Wait nBUSY 63 64 #define PtrClk nACK 65 #define PeriphClk nACK 66 #define Intr nACK 67 68 /* request mode values */ 69 #define NIBBLE_1284_NORMAL 0x0 70 #define NIBBLE_1284_REQUEST_ID 0x4 71 #define BYTE_1284_NORMAL 0x1 72 #define BYTE_1284_REQUEST_ID 0x5 73 #define ECP_1284_NORMAL 0x10 74 #define ECP_1284_REQUEST_ID 0x14 75 #define ECP_1284_RLE 0x30 76 #define ECP_1284_RLE_REQUEST_ID 0x34 77 #define EPP_1284_NORMAL 0x40 78 #define EXT_LINK_1284_NORMAL 0x80 79 80 /* ieee1284 mode options */ 81 #define PPB_REQUEST_ID 0x1 82 #define PPB_USE_RLE 0x2 83 #define PPB_EXTENSIBILITY_LINK 0x4 84 85 /* ieee1284 errors */ 86 #define PPB_NO_ERROR 0 87 #define PPB_MODE_UNSUPPORTED 1 /* mode not supported by peripheral */ 88 #define PPB_NOT_IEEE1284 2 /* not an IEEE1284 compliant periph. */ 89 #define PPB_TIMEOUT 3 /* timeout */ 90 #define PPB_INVALID_MODE 4 /* current mode is incorrect */ 91 92 /* ieee1284 host side states */ 93 #define PPB_ERROR 0 94 #define PPB_FORWARD_IDLE 1 95 #define PPB_NEGOCIATION 2 96 #define PPB_SETUP 3 97 #define PPB_ECP_FORWARD_IDLE 4 98 #define PPB_FWD_TO_REVERSE 5 99 #define PPB_REVERSE_IDLE 6 100 #define PPB_REVERSE_TRANSFER 7 101 #define PPB_REVERSE_TO_FWD 8 102 #define PPB_EPP_IDLE 9 103 #define PPB_TERMINATION 10 104 105 /* peripheral side states */ 106 #define PPB_PERIPHERAL_NEGOCIATION 11 107 #define PPB_PERIPHERAL_IDLE 12 108 #define PPB_PERIPHERAL_TRANSFER 13 109 #define PPB_PERIPHERAL_TERMINATION 14 110 111 extern int nibble_1284_inbyte(struct ppb_device *, char *); 112 extern int byte_1284_inbyte(struct ppb_device *, char *); 113 extern int spp_1284_read(struct ppb_device *, int, char *, int, int *); 114 115 extern int ppb_1284_negociate(struct ppb_device *, int, int); 116 extern int ppb_1284_terminate(struct ppb_device *); 117 extern int ppb_1284_read_id(struct ppb_device *, int, char *, int, int *); 118 extern int ppb_1284_read(struct ppb_device *, int, char *, int, int *); 119 120 extern int ppb_peripheral_terminate(struct ppb_device *, int); 121 extern int ppb_peripheral_negociate(struct ppb_device *, int, int); 122 extern int byte_peripheral_write(struct ppb_device *, char *, int, int *); 123 124 #endif
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