1 /* Driver for SCM Microsystems USB-ATAPI cable
2  * Header File
3  *
4  * $Id: shuttle_usbat.h,v 1.5 2000/09/17 14:44:52 groovyjava Exp $
5  *
6  * Current development and maintenance by:
7  *   (c) 2000 Robert Baruch (autophile@dol.net)
8  *
9  * See scm.c for more explanation
10  *
11  * This program is free software; you can redistribute it and/or modify it
12  * under the terms of the GNU General Public License as published by the
13  * Free Software Foundation; either version 2, or (at your option) any
14  * later version.
15  *
16  * This program is distributed in the hope that it will be useful, but
17  * WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19  * General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License along
22  * with this program; if not, write to the Free Software Foundation, Inc.,
23  * 675 Mass Ave, Cambridge, MA 02139, USA.
24  */
25 
26 #ifndef _USB_SHUTTLE_USBAT_H
27 #define _USB_SHUTTLE_USBAT_H
28 
29 #define USBAT_EPP_PORT		0x10
30 #define USBAT_EPP_REGISTER	0x30
31 #define USBAT_ATA		0x40
32 #define USBAT_ISA		0x50
33 
34 /* SCM User I/O Data registers */
35 
36 #define USBAT_UIO_EPAD		0x80 // Enable Peripheral Control Signals
37 #define USBAT_UIO_CDT		0x40 // Card Detect (Read Only)
38 				     // CDT = ACKD & !UI1 & !UI0
39 #define USBAT_UIO_1		0x20 // I/O 1
40 #define USBAT_UIO_0		0x10 // I/O 0
41 #define USBAT_UIO_EPP_ATA	0x08 // 1=EPP mode, 0=ATA mode
42 #define USBAT_UIO_UI1		0x04 // Input 1
43 #define USBAT_UIO_UI0		0x02 // Input 0
44 #define USBAT_UIO_INTR_ACK	0x01 // Interrupt (ATA & ISA)/Acknowledge (EPP)
45 
46 /* SCM User I/O Enable registers */
47 
48 #define USBAT_UIO_DRVRST	0x80 // Reset Peripheral
49 #define USBAT_UIO_ACKD		0x40 // Enable Card Detect
50 #define USBAT_UIO_OE1		0x20 // I/O 1 set=output/clr=input
51 				     // If ACKD=1, set OE1 to 1 also.
52 #define USBAT_UIO_OE0		0x10 // I/O 0 set=output/clr=input
53 #define USBAT_UIO_ADPRST	0x01 // Reset SCM chip
54 
55 /* USBAT-specific commands */
56 
57 extern int usbat_read(struct us_data *us, unsigned char access,
58 	unsigned char reg, unsigned char *content);
59 extern int usbat_write(struct us_data *us, unsigned char access,
60 	unsigned char reg, unsigned char content);
61 extern int usbat_read_block(struct us_data *us, unsigned char access,
62 	unsigned char reg, unsigned char *content, unsigned short len,
63 	int use_sg);
64 extern int usbat_write_block(struct us_data *us, unsigned char access,
65 	unsigned char reg, unsigned char *content, unsigned short len,
66 	int use_sg, int minutes);
67 extern int usbat_multiple_write(struct us_data *us, unsigned char access,
68 	unsigned char *registers, unsigned char *data_out,
69 	unsigned short num_registers);
70 extern int usbat_read_user_io(struct us_data *us, unsigned char *data_flags);
71 extern int usbat_write_user_io(struct us_data *us,
72 	unsigned char enable_flags, unsigned char data_flags);
73 
74 /* HP 8200e stuff */
75 
76 extern int hp8200e_transport(Scsi_Cmnd *srb, struct us_data *us);
77 extern int init_8200e(struct us_data *us);
78 
79 #endif
80