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1da177e4 LT |
1 | /* Driver for Microtech DPCM-USB CompactFlash/SmartMedia reader |
2 | * | |
3 | * $Id: dpcm.c,v 1.4 2001/06/11 02:54:25 mdharm Exp $ | |
4 | * | |
5 | * DPCM driver v0.1: | |
6 | * | |
7 | * First release | |
8 | * | |
9 | * Current development and maintenance by: | |
10 | * (c) 2000 Brian Webb (webbb@earthlink.net) | |
11 | * | |
12 | * This device contains both a CompactFlash card reader, which | |
13 | * uses the Control/Bulk w/o Interrupt protocol and | |
14 | * a SmartMedia card reader that uses the same protocol | |
15 | * as the SDDR09. | |
16 | * | |
17 | * This program is free software; you can redistribute it and/or modify it | |
18 | * under the terms of the GNU General Public License as published by the | |
19 | * Free Software Foundation; either version 2, or (at your option) any | |
20 | * later version. | |
21 | * | |
22 | * This program is distributed in the hope that it will be useful, but | |
23 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
25 | * General Public License for more details. | |
26 | * | |
27 | * You should have received a copy of the GNU General Public License along | |
28 | * with this program; if not, write to the Free Software Foundation, Inc., | |
29 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
30 | */ | |
31 | ||
1da177e4 LT |
32 | #include <scsi/scsi.h> |
33 | #include <scsi/scsi_cmnd.h> | |
34 | #include <scsi/scsi_device.h> | |
35 | ||
36 | #include "usb.h" | |
37 | #include "transport.h" | |
38 | #include "protocol.h" | |
39 | #include "debug.h" | |
40 | #include "dpcm.h" | |
41 | #include "sddr09.h" | |
42 | ||
43 | /* | |
44 | * Transport for the Microtech DPCM-USB | |
45 | * | |
46 | */ | |
47 | int dpcm_transport(struct scsi_cmnd *srb, struct us_data *us) | |
48 | { | |
49 | int ret; | |
50 | ||
51 | if(srb == NULL) | |
52 | return USB_STOR_TRANSPORT_ERROR; | |
53 | ||
54 | US_DEBUGP("dpcm_transport: LUN=%d\n", srb->device->lun); | |
55 | ||
56 | switch(srb->device->lun) { | |
57 | case 0: | |
58 | ||
59 | /* | |
60 | * LUN 0 corresponds to the CompactFlash card reader. | |
61 | */ | |
62 | ret = usb_stor_CB_transport(srb, us); | |
63 | break; | |
64 | ||
65 | #ifdef CONFIG_USB_STORAGE_SDDR09 | |
66 | case 1: | |
67 | ||
68 | /* | |
69 | * LUN 1 corresponds to the SmartMedia card reader. | |
70 | */ | |
71 | ||
72 | /* | |
73 | * Set the LUN to 0 (just in case). | |
74 | */ | |
75 | srb->device->lun = 0; us->srb->device->lun = 0; | |
76 | ret = sddr09_transport(srb, us); | |
77 | srb->device->lun = 1; us->srb->device->lun = 1; | |
78 | break; | |
79 | ||
80 | #endif | |
81 | ||
82 | default: | |
83 | US_DEBUGP("dpcm_transport: Invalid LUN %d\n", srb->device->lun); | |
84 | ret = USB_STOR_TRANSPORT_ERROR; | |
85 | break; | |
86 | } | |
87 | return ret; | |
88 | } |