tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/*
2 * Driver for Alauda-based card readers
3 *
4 * Current development and maintenance by:
5 * (c) 2005 Daniel Drake <dsd@gentoo.org>
6 *
7 * See alauda.c for more explanation.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2, or (at your option) any
12 * later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24#ifndef _USB_ALAUDA_H
25#define _USB_ALAUDA_H
26
27/*
28 * Status bytes
29 */
30#define ALAUDA_STATUS_ERROR 0x01
31#define ALAUDA_STATUS_READY 0x40
32
33/*
34 * Control opcodes (for request field)
35 */
36#define ALAUDA_GET_XD_MEDIA_STATUS 0x08
37#define ALAUDA_GET_SM_MEDIA_STATUS 0x98
38#define ALAUDA_ACK_XD_MEDIA_CHANGE 0x0a
39#define ALAUDA_ACK_SM_MEDIA_CHANGE 0x9a
40#define ALAUDA_GET_XD_MEDIA_SIG 0x86
41#define ALAUDA_GET_SM_MEDIA_SIG 0x96
42
43/*
44 * Bulk command identity (byte 0)
45 */
46#define ALAUDA_BULK_CMD 0x40
47
48/*
49 * Bulk opcodes (byte 1)
50 */
51#define ALAUDA_BULK_GET_REDU_DATA 0x85
52#define ALAUDA_BULK_READ_BLOCK 0x94
53#define ALAUDA_BULK_ERASE_BLOCK 0xa3
54#define ALAUDA_BULK_WRITE_BLOCK 0xb4
55#define ALAUDA_BULK_GET_STATUS2 0xb7
56#define ALAUDA_BULK_RESET_MEDIA 0xe0
57
58/*
59 * Port to operate on (byte 8)
60 */
61#define ALAUDA_PORT_XD 0x00
62#define ALAUDA_PORT_SM 0x01
63
64/*
65 * LBA and PBA are unsigned ints. Special values.
66 */
67#define UNDEF 0xffff
68#define SPARE 0xfffe
69#define UNUSABLE 0xfffd
70
71int init_alauda(struct us_data *us);
72int alauda_transport(struct scsi_cmnd *srb, struct us_data *us);
73
74struct alauda_media_info {
75 unsigned long capacity; /* total media size in bytes */
76 unsigned int pagesize; /* page size in bytes */
77 unsigned int blocksize; /* number of pages per block */
78 unsigned int uzonesize; /* number of usable blocks per zone */
79 unsigned int zonesize; /* number of blocks per zone */
80 unsigned int blockmask; /* mask to get page from address */
81
82 unsigned char pageshift;
83 unsigned char blockshift;
84 unsigned char zoneshift;
85
86 u16 **lba_to_pba; /* logical to physical block map */
87 u16 **pba_to_lba; /* physical to logical block map */
88};
89
90struct alauda_info {
91 struct alauda_media_info port[2];
92 int wr_ep; /* endpoint to write data out of */
93
94 unsigned char sense_key;
95 unsigned long sense_asc; /* additional sense code */
96 unsigned long sense_ascq; /* additional sense code qualifier */
97};
98
99#endif
100