drivers/usb/storage/alauda.h

   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
  71 int init_alauda(struct us_data *us);
  72 int alauda_transport(struct scsi_cmnd *srb, struct us_data *us);
  73
  74 struct 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
  90 struct 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