vpoio.h revision 331722 
1/*-
2 * Copyright (c) 1998 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: stable/11/sys/dev/ppbus/vpoio.h 331722 2018-03-29 02:50:57Z eadler $
27 *
28 */
29#ifndef __VP0IO_H
30#define __VP0IO_H
31
32/*
33 * The ZIP drive cannot act as an initiator.
34 */
35#define VP0_INITIATOR	0x7
36
37#define VP0_ESELECT_TIMEOUT	1
38#define VP0_ECMD_TIMEOUT	2
39#define VP0_ECONNECT		3
40#define VP0_ESTATUS_TIMEOUT	4
41#define VP0_EDATA_OVERFLOW	5
42#define VP0_EDISCONNECT		6
43#define VP0_EPPDATA_TIMEOUT	7
44#define VP0_ENEGOCIATE		8
45#define VP0_ENOPORT		9
46#define VP0_EINITFAILED		10
47#define VP0_EINTR		12
48
49#define VP0_EOTHER		13
50
51#define VP0_OPENNINGS	1
52
53/*
54 * Data structure used during microsequence execution
55 * when characters are received in nibble mode
56 */
57struct vpo_nibble {
58	char h;			/* most significant nibble */
59	char l;			/* less significant nibble */
60};
61
62/* Mode found during initialisation */
63#define VP0_MODE_UNDEFINED	0x0
64#define VP0_MODE_NIBBLE		0x1
65#define VP0_MODE_PS2		0x2
66#define VP0_MODE_EPP		0x3
67
68struct vpoio_data {
69	int vpo_mode_found;		/* Mode found during init */
70
71	struct vpo_nibble vpo_nibble;
72
73	/* each device must have its own nibble inbyte microsequence */
74	struct ppb_microseq *vpo_nibble_inbyte_msq;
75
76	device_t vpo_dev;
77};
78
79int vpoio_probe(device_t dev, struct vpoio_data *vpo);
80
81int vpoio_attach(struct vpoio_data *vpo);
82int vpoio_reset_bus(struct vpoio_data *vpo);
83
84int vpoio_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
85		int clen, char *buffer, int blen, int *result, int *count,
86		int *ret);
87
88int imm_probe(device_t dev, struct vpoio_data *vpo);
89
90int imm_attach(struct vpoio_data *vpo);
91int imm_reset_bus(struct vpoio_data *vpo);
92
93int imm_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
94		int clen, char *buffer, int blen, int *result, int *count,
95		int *ret);
96
97#endif
98