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(struct us_data *us);
114 /* Used for Flash readers only */
115 unsigned long sectors; // total sector count
116 unsigned long ssize; // sector size in bytes
118 unsigned char sense_key;
119 unsigned long sense_asc; // additional sense code
120 unsigned long sense_ascq; // additional sense code qualifier