| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 32 | #include <linux/config.h> |
| 33 | #include <scsi/scsi.h> |
| 34 | #include <scsi/scsi_cmnd.h> |
| 35 | #include <scsi/scsi_device.h> |
| 36 | |
| 37 | #include "usb.h" |
| 38 | #include "transport.h" |
| 39 | #include "protocol.h" |
| 40 | #include "debug.h" |
| 41 | #include "dpcm.h" |
| 42 | #include "sddr09.h" |
| 43 | |
| 44 | /* |
| 45 | * Transport for the Microtech DPCM-USB |
| 46 | * |
| 47 | */ |
| 48 | int dpcm_transport(struct scsi_cmnd *srb, struct us_data *us) |
| 49 | { |
| 50 | int ret; |
| 51 | |
| 52 | if(srb == NULL) |
| 53 | return USB_STOR_TRANSPORT_ERROR; |
| 54 | |
| 55 | US_DEBUGP("dpcm_transport: LUN=%d\n", srb->device->lun); |
| 56 | |
| 57 | switch(srb->device->lun) { |
| 58 | case 0: |
| 59 | |
| 60 | /* |
| 61 | * LUN 0 corresponds to the CompactFlash card reader. |
| 62 | */ |
| 63 | ret = usb_stor_CB_transport(srb, us); |
| 64 | break; |
| 65 | |
| 66 | #ifdef CONFIG_USB_STORAGE_SDDR09 |
| 67 | case 1: |
| 68 | |
| 69 | /* |
| 70 | * LUN 1 corresponds to the SmartMedia card reader. |
| 71 | */ |
| 72 | |
| 73 | /* |
| 74 | * Set the LUN to 0 (just in case). |
| 75 | */ |
| 76 | srb->device->lun = 0; us->srb->device->lun = 0; |
| 77 | ret = sddr09_transport(srb, us); |
| 78 | srb->device->lun = 1; us->srb->device->lun = 1; |
| 79 | break; |
| 80 | |
| 81 | #endif |
| 82 | |
| 83 | default: |
| 84 | US_DEBUGP("dpcm_transport: Invalid LUN %d\n", srb->device->lun); |
| 85 | ret = USB_STOR_TRANSPORT_ERROR; |
| 86 | break; |
| 87 | } |
| 88 | return ret; |
| 89 | } |