FreeBSD/Linux Kernel Cross Reference
sys/dev/ppbus/vpoio.h
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: releng/5.4/sys/dev/ppbus/vpoio.h 70608 2001-01-02 21:29:06Z nsouch $
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 */
57 struct 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
68 struct vpoio_data {
69 unsigned short int vpo_unit;
70 int vpo_mode_found; /* Mode found during init */
71
72 struct vpo_nibble vpo_nibble;
73
74 /* each device must have its own nibble inbyte microsequence */
75 struct ppb_microseq *vpo_nibble_inbyte_msq;
76
77 device_t vpo_dev;
78 };
79
80 #define vpoio_set_unit(vpo,unit) ((vpo)->vpo_unit = unit)
81
82 int vpoio_probe(device_t dev, struct vpoio_data *vpo);
83
84 int vpoio_attach(struct vpoio_data *vpo);
85 int vpoio_reset_bus(struct vpoio_data *vpo);
86
87 int vpoio_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
88 int clen, char *buffer, int blen, int *result, int *count,
89 int *ret);
90
91 int imm_probe(device_t dev, struct vpoio_data *vpo);
92
93 int imm_attach(struct vpoio_data *vpo);
94 int imm_reset_bus(struct vpoio_data *vpo);
95
96 int imm_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
97 int clen, char *buffer, int blen, int *result, int *count,
98 int *ret);
99
100 #endif
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