1 /* Driver for SCM Microsystems USB-ATAPI cable
4 * $Id: shuttle_usbat.h,v 1.5 2000/09/17 14:44:52 groovyjava Exp $
6 * Current development and maintenance by:
7 * (c) 2000 Robert Baruch (autophile@dol.net)
8 * (c) 2004, 2005 Daniel Drake <dsd@gentoo.org>
10 * See shuttle_usbat.c for more explanation
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2, or (at your option) any
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 675 Mass Ave, Cambridge, MA 02139, USA.
27 #ifndef _USB_SHUTTLE_USBAT_H
28 #define _USB_SHUTTLE_USBAT_H
30 /* Supported device types */
31 #define USBAT_DEV_HP8200 0x01
32 #define USBAT_DEV_FLASH 0x02
34 #define USBAT_EPP_PORT 0x10
35 #define USBAT_EPP_REGISTER 0x30
36 #define USBAT_ATA 0x40
37 #define USBAT_ISA 0x50
39 /* Commands (need to be logically OR'd with an access type */
40 #define USBAT_CMD_READ_REG 0x00
41 #define USBAT_CMD_WRITE_REG 0x01
42 #define USBAT_CMD_READ_BLOCK 0x02
43 #define USBAT_CMD_WRITE_BLOCK 0x03
44 #define USBAT_CMD_COND_READ_BLOCK 0x04
45 #define USBAT_CMD_COND_WRITE_BLOCK 0x05
46 #define USBAT_CMD_WRITE_REGS 0x07
48 /* Commands (these don't need an access type) */
49 #define USBAT_CMD_EXEC_CMD 0x80
50 #define USBAT_CMD_SET_FEAT 0x81
51 #define USBAT_CMD_UIO 0x82
53 /* Methods of accessing UIO register */
54 #define USBAT_UIO_READ 1
55 #define USBAT_UIO_WRITE 0
58 #define USBAT_QUAL_FCQ 0x20 /* full compare */
59 #define USBAT_QUAL_ALQ 0x10 /* auto load subcount */
61 /* USBAT Flash Media status types */
62 #define USBAT_FLASH_MEDIA_NONE 0
63 #define USBAT_FLASH_MEDIA_CF 1
65 /* USBAT Flash Media change types */
66 #define USBAT_FLASH_MEDIA_SAME 0
67 #define USBAT_FLASH_MEDIA_CHANGED 1
69 /* USBAT ATA registers */
70 #define USBAT_ATA_DATA 0x10 /* read/write data (R/W) */
71 #define USBAT_ATA_FEATURES 0x11 /* set features (W) */
72 #define USBAT_ATA_ERROR 0x11 /* error (R) */
73 #define USBAT_ATA_SECCNT 0x12 /* sector count (R/W) */
74 #define USBAT_ATA_SECNUM 0x13 /* sector number (R/W) */
75 #define USBAT_ATA_LBA_ME 0x14 /* cylinder low (R/W) */
76 #define USBAT_ATA_LBA_HI 0x15 /* cylinder high (R/W) */
77 #define USBAT_ATA_DEVICE 0x16 /* head/device selection (R/W) */
78 #define USBAT_ATA_STATUS 0x17 /* device status (R) */
79 #define USBAT_ATA_CMD 0x17 /* device command (W) */
80 #define USBAT_ATA_ALTSTATUS 0x0E /* status (no clear IRQ) (R) */
82 /* USBAT User I/O Data registers */
83 #define USBAT_UIO_EPAD 0x80 /* Enable Peripheral Control Signals */
84 #define USBAT_UIO_CDT 0x40 /* Card Detect (Read Only) */
85 /* CDT = ACKD & !UI1 & !UI0 */
86 #define USBAT_UIO_1 0x20 /* I/O 1 */
87 #define USBAT_UIO_0 0x10 /* I/O 0 */
88 #define USBAT_UIO_EPP_ATA 0x08 /* 1=EPP mode, 0=ATA mode */
89 #define USBAT_UIO_UI1 0x04 /* Input 1 */
90 #define USBAT_UIO_UI0 0x02 /* Input 0 */
91 #define USBAT_UIO_INTR_ACK 0x01 /* Interrupt (ATA/ISA)/Acknowledge (EPP) */
93 /* USBAT User I/O Enable registers */
94 #define USBAT_UIO_DRVRST 0x80 /* Reset Peripheral */
95 #define USBAT_UIO_ACKD 0x40 /* Enable Card Detect */
96 #define USBAT_UIO_OE1 0x20 /* I/O 1 set=output/clr=input */
97 /* If ACKD=1, set OE1 to 1 also. */
98 #define USBAT_UIO_OE0 0x10 /* I/O 0 set=output/clr=input */
99 #define USBAT_UIO_ADPRST 0x01 /* Reset SCM chip */
102 #define USBAT_FEAT_ETEN 0x80 /* External trigger enable */
103 #define USBAT_FEAT_U1 0x08
104 #define USBAT_FEAT_U0 0x04
105 #define USBAT_FEAT_ET1 0x02
106 #define USBAT_FEAT_ET2 0x01
108 extern int usbat_transport(struct scsi_cmnd *srb, struct us_data *us);
109 extern int init_usbat_cd(struct us_data *us);
110 extern int init_usbat_flash(struct us_data *us);
111 extern int init_usbat_probe(struct us_data *us);
116 /* Used for Flash readers only */
117 unsigned long sectors; /* total sector count */
118 unsigned long ssize; /* sector size in bytes */
120 unsigned char sense_key;
121 unsigned long sense_asc; /* additional sense code */
122 unsigned long sense_ascq; /* additional sense code qualifier */