xref: /dragonfly/sys/dev/disk/vpo/vpoio.h (revision b40e316c)
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  * $DragonFly: src/sys/dev/disk/vpo/vpoio.h,v 1.2 2003/06/17 04:28:29 dillon Exp $
28  *
29  */
30 #ifndef __VP0IO_H
31 #define __VP0IO_H
32 
33 /*
34  * The ZIP drive cannot act as an initiator.
35  */
36 #define VP0_INITIATOR	0x7
37 
38 #define VP0_ESELECT_TIMEOUT	1
39 #define VP0_ECMD_TIMEOUT	2
40 #define VP0_ECONNECT		3
41 #define VP0_ESTATUS_TIMEOUT	4
42 #define VP0_EDATA_OVERFLOW	5
43 #define VP0_EDISCONNECT		6
44 #define VP0_EPPDATA_TIMEOUT	7
45 #define VP0_ENEGOCIATE		8
46 #define VP0_ENOPORT		9
47 #define VP0_EINITFAILED		10
48 #define VP0_EINTR		12
49 
50 #define VP0_EOTHER		13
51 
52 #define VP0_OPENNINGS	1
53 
54 /*
55  * Data structure used during microsequence execution
56  * when characters are received in nibble mode
57  */
58 struct vpo_nibble {
59 	char h;			/* most significant nibble */
60 	char l;			/* less significant nibble */
61 };
62 
63 /* Mode found during initialisation */
64 #define VP0_MODE_UNDEFINED	0x0
65 #define VP0_MODE_NIBBLE		0x1
66 #define VP0_MODE_PS2		0x2
67 #define VP0_MODE_EPP		0x3
68 
69 struct vpoio_data {
70 	unsigned short int vpo_unit;
71 	int vpo_mode_found;		/* Mode found during init */
72 
73 	struct vpo_nibble vpo_nibble;
74 
75 	/* each device must have its own nibble inbyte microsequence */
76 	struct ppb_microseq *vpo_nibble_inbyte_msq;
77 
78 	device_t vpo_dev;
79 };
80 
81 #define vpoio_set_unit(vpo,unit) ((vpo)->vpo_unit = unit)
82 
83 int vpoio_probe(device_t dev, struct vpoio_data *vpo);
84 
85 int vpoio_attach(struct vpoio_data *vpo);
86 int vpoio_reset_bus(struct vpoio_data *vpo);
87 
88 int vpoio_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
89 		int clen, char *buffer, int blen, int *result, int *count,
90 		int *ret);
91 
92 int imm_probe(device_t dev, struct vpoio_data *vpo);
93 
94 int imm_attach(struct vpoio_data *vpo);
95 int imm_reset_bus(struct vpoio_data *vpo);
96 
97 int imm_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
98 		int clen, char *buffer, int blen, int *result, int *count,
99 		int *ret);
100 
101 #endif
102