xref: /dragonfly/sys/dev/disk/vpo/vpoio.h (revision 8e11cefe)
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: src/sys/dev/ppbus/vpoio.h,v 1.4.2.2 2001/10/02 05:27:20 nsouch Exp $
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_ENEGOTIATE		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
101