aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/storage/datafab.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/storage/datafab.c')
-rw-r--r--drivers/usb/storage/datafab.c159
1 files changed, 124 insertions, 35 deletions
diff --git a/drivers/usb/storage/datafab.c b/drivers/usb/storage/datafab.c
index 579e9f52053..7b17c216981 100644
--- a/drivers/usb/storage/datafab.c
+++ b/drivers/usb/storage/datafab.c
@@ -1,7 +1,5 @@
/* Driver for Datafab USB Compact Flash reader
*
- * $Id: datafab.c,v 1.7 2002/02/25 00:40:13 mdharm Exp $
- *
* datafab driver v0.1:
*
* First release
@@ -51,6 +49,7 @@
*/
#include <linux/errno.h>
+#include <linux/module.h>
#include <linux/slab.h>
#include <scsi/scsi.h>
@@ -60,18 +59,71 @@
#include "transport.h"
#include "protocol.h"
#include "debug.h"
-#include "datafab.h"
+
+MODULE_DESCRIPTION("Driver for Datafab USB Compact Flash reader");
+MODULE_AUTHOR("Jimmie Mayfield <mayfield+datafab@sackheads.org>");
+MODULE_LICENSE("GPL");
+
+struct datafab_info {
+ unsigned long sectors; /* total sector count */
+ unsigned long ssize; /* sector size in bytes */
+ signed char lun; /* used for dual-slot readers */
+
+ /* the following aren't used yet */
+ unsigned char sense_key;
+ unsigned long sense_asc; /* additional sense code */
+ unsigned long sense_ascq; /* additional sense code qualifier */
+};
static int datafab_determine_lun(struct us_data *us,
struct datafab_info *info);
+/*
+ * The table of devices
+ */
+#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
+ vendorName, productName, useProtocol, useTransport, \
+ initFunction, flags) \
+{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
+ .driver_info = (flags) }
+
+static struct usb_device_id datafab_usb_ids[] = {
+# include "unusual_datafab.h"
+ { } /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, datafab_usb_ids);
+
+#undef UNUSUAL_DEV
+
+/*
+ * The flags table
+ */
+#define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \
+ vendor_name, product_name, use_protocol, use_transport, \
+ init_function, Flags) \
+{ \
+ .vendorName = vendor_name, \
+ .productName = product_name, \
+ .useProtocol = use_protocol, \
+ .useTransport = use_transport, \
+ .initFunction = init_function, \
+}
+
+static struct us_unusual_dev datafab_unusual_dev_list[] = {
+# include "unusual_datafab.h"
+ { } /* Terminating entry */
+};
+
+#undef UNUSUAL_DEV
+
+
static inline int
datafab_bulk_read(struct us_data *us, unsigned char *data, unsigned int len) {
if (len == 0)
return USB_STOR_XFER_GOOD;
- US_DEBUGP("datafab_bulk_read: len = %d\n", len);
+ usb_stor_dbg(us, "len = %d\n", len);
return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
data, len, NULL);
}
@@ -82,7 +134,7 @@ datafab_bulk_write(struct us_data *us, unsigned char *data, unsigned int len) {
if (len == 0)
return USB_STOR_XFER_GOOD;
- US_DEBUGP("datafab_bulk_write: len = %d\n", len);
+ usb_stor_dbg(us, "len = %d\n", len);
return usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
data, len, NULL);
}
@@ -248,9 +300,8 @@ static int datafab_write_data(struct us_data *us,
goto leave;
if (reply[0] != 0x50 && reply[1] != 0) {
- US_DEBUGP("datafab_write_data: Gah! "
- "write return code: %02x %02x\n",
- reply[0], reply[1]);
+ usb_stor_dbg(us, "Gah! write return code: %02x %02x\n",
+ reply[0], reply[1]);
result = USB_STOR_TRANSPORT_ERROR;
goto leave;
}
@@ -282,7 +333,7 @@ static int datafab_determine_lun(struct us_data *us,
unsigned char *buf;
int count = 0, rc;
- if (!us || !info)
+ if (!info)
return USB_STOR_TRANSPORT_ERROR;
memcpy(command, scommand, 8);
@@ -290,7 +341,7 @@ static int datafab_determine_lun(struct us_data *us,
if (!buf)
return USB_STOR_TRANSPORT_ERROR;
- US_DEBUGP("datafab_determine_lun: locating...\n");
+ usb_stor_dbg(us, "locating...\n");
// we'll try 3 times before giving up...
//
@@ -347,7 +398,7 @@ static int datafab_id_device(struct us_data *us,
unsigned char *reply;
int rc;
- if (!us || !info)
+ if (!info)
return USB_STOR_TRANSPORT_ERROR;
if (info->lun == -1) {
@@ -422,16 +473,16 @@ static int datafab_handle_mode_sense(struct us_data *us,
switch (pc) {
case 0x0:
- US_DEBUGP("datafab_handle_mode_sense: Current values\n");
+ usb_stor_dbg(us, "Current values\n");
break;
case 0x1:
- US_DEBUGP("datafab_handle_mode_sense: Changeable values\n");
+ usb_stor_dbg(us, "Changeable values\n");
break;
case 0x2:
- US_DEBUGP("datafab_handle_mode_sense: Default values\n");
+ usb_stor_dbg(us, "Default values\n");
break;
case 0x3:
- US_DEBUGP("datafab_handle_mode_sense: Saves values\n");
+ usb_stor_dbg(us, "Saves values\n");
break;
}
@@ -502,7 +553,7 @@ static void datafab_info_destructor(void *extra)
// Transport for the Datafab MDCFE-B
//
-int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
+static int datafab_transport(struct scsi_cmnd *srb, struct us_data *us)
{
struct datafab_info *info;
int rc;
@@ -514,11 +565,9 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
if (!us->extra) {
us->extra = kzalloc(sizeof(struct datafab_info), GFP_NOIO);
- if (!us->extra) {
- US_DEBUGP("datafab_transport: Gah! "
- "Can't allocate storage for Datafab info struct!\n");
+ if (!us->extra)
return USB_STOR_TRANSPORT_ERROR;
- }
+
us->extra_destructor = datafab_info_destructor;
((struct datafab_info *)us->extra)->lun = -1;
}
@@ -526,7 +575,7 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
info = (struct datafab_info *) (us->extra);
if (srb->cmnd[0] == INQUIRY) {
- US_DEBUGP("datafab_transport: INQUIRY. Returning bogus response");
+ usb_stor_dbg(us, "INQUIRY - Returning bogus response\n");
memcpy(ptr, inquiry_reply, sizeof(inquiry_reply));
fill_inquiry_response(us, ptr, 36);
return USB_STOR_TRANSPORT_GOOD;
@@ -538,8 +587,8 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
if (rc != USB_STOR_TRANSPORT_GOOD)
return rc;
- US_DEBUGP("datafab_transport: READ_CAPACITY: %ld sectors, %ld bytes per sector\n",
- info->sectors, info->ssize);
+ usb_stor_dbg(us, "READ_CAPACITY: %ld sectors, %ld bytes per sector\n",
+ info->sectors, info->ssize);
// build the reply
// we need the last sector, not the number of sectors
@@ -551,7 +600,7 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
}
if (srb->cmnd[0] == MODE_SELECT_10) {
- US_DEBUGP("datafab_transport: Gah! MODE_SELECT_10.\n");
+ usb_stor_dbg(us, "Gah! MODE_SELECT_10\n");
return USB_STOR_TRANSPORT_ERROR;
}
@@ -563,7 +612,8 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
blocks = ((u32)(srb->cmnd[7]) << 8) | ((u32)(srb->cmnd[8]));
- US_DEBUGP("datafab_transport: READ_10: read block 0x%04lx count %ld\n", block, blocks);
+ usb_stor_dbg(us, "READ_10: read block 0x%04lx count %ld\n",
+ block, blocks);
return datafab_read_data(us, info, block, blocks);
}
@@ -576,7 +626,8 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
blocks = ((u32)(srb->cmnd[6]) << 24) | ((u32)(srb->cmnd[7]) << 16) |
((u32)(srb->cmnd[8]) << 8) | ((u32)(srb->cmnd[9]));
- US_DEBUGP("datafab_transport: READ_12: read block 0x%04lx count %ld\n", block, blocks);
+ usb_stor_dbg(us, "READ_12: read block 0x%04lx count %ld\n",
+ block, blocks);
return datafab_read_data(us, info, block, blocks);
}
@@ -586,7 +637,8 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
blocks = ((u32)(srb->cmnd[7]) << 8) | ((u32)(srb->cmnd[8]));
- US_DEBUGP("datafab_transport: WRITE_10: write block 0x%04lx count %ld\n", block, blocks);
+ usb_stor_dbg(us, "WRITE_10: write block 0x%04lx count %ld\n",
+ block, blocks);
return datafab_write_data(us, info, block, blocks);
}
@@ -599,17 +651,18 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
blocks = ((u32)(srb->cmnd[6]) << 24) | ((u32)(srb->cmnd[7]) << 16) |
((u32)(srb->cmnd[8]) << 8) | ((u32)(srb->cmnd[9]));
- US_DEBUGP("datafab_transport: WRITE_12: write block 0x%04lx count %ld\n", block, blocks);
+ usb_stor_dbg(us, "WRITE_12: write block 0x%04lx count %ld\n",
+ block, blocks);
return datafab_write_data(us, info, block, blocks);
}
if (srb->cmnd[0] == TEST_UNIT_READY) {
- US_DEBUGP("datafab_transport: TEST_UNIT_READY.\n");
+ usb_stor_dbg(us, "TEST_UNIT_READY\n");
return datafab_id_device(us, info);
}
if (srb->cmnd[0] == REQUEST_SENSE) {
- US_DEBUGP("datafab_transport: REQUEST_SENSE. Returning faked response\n");
+ usb_stor_dbg(us, "REQUEST_SENSE - Returning faked response\n");
// this response is pretty bogus right now. eventually if necessary
// we can set the correct sense data. so far though it hasn't been
@@ -627,12 +680,12 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
}
if (srb->cmnd[0] == MODE_SENSE) {
- US_DEBUGP("datafab_transport: MODE_SENSE_6 detected\n");
+ usb_stor_dbg(us, "MODE_SENSE_6 detected\n");
return datafab_handle_mode_sense(us, srb, 1);
}
if (srb->cmnd[0] == MODE_SENSE_10) {
- US_DEBUGP("datafab_transport: MODE_SENSE_10 detected\n");
+ usb_stor_dbg(us, "MODE_SENSE_10 detected\n");
return datafab_handle_mode_sense(us, srb, 0);
}
@@ -646,7 +699,7 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
if (srb->cmnd[0] == START_STOP) {
/* this is used by sd.c'check_scsidisk_media_change to detect
media change */
- US_DEBUGP("datafab_transport: START_STOP.\n");
+ usb_stor_dbg(us, "START_STOP\n");
/* the first datafab_id_device after a media change returns
an error (determined experimentally) */
rc = datafab_id_device(us, info);
@@ -660,10 +713,46 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
return rc;
}
- US_DEBUGP("datafab_transport: Gah! Unknown command: %d (0x%x)\n",
- srb->cmnd[0], srb->cmnd[0]);
+ usb_stor_dbg(us, "Gah! Unknown command: %d (0x%x)\n",
+ srb->cmnd[0], srb->cmnd[0]);
info->sense_key = 0x05;
info->sense_asc = 0x20;
info->sense_ascq = 0x00;
return USB_STOR_TRANSPORT_FAILED;
}
+
+static int datafab_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct us_data *us;
+ int result;
+
+ result = usb_stor_probe1(&us, intf, id,
+ (id - datafab_usb_ids) + datafab_unusual_dev_list);
+ if (result)
+ return result;
+
+ us->transport_name = "Datafab Bulk-Only";
+ us->transport = datafab_transport;
+ us->transport_reset = usb_stor_Bulk_reset;
+ us->max_lun = 1;
+
+ result = usb_stor_probe2(us);
+ return result;
+}
+
+static struct usb_driver datafab_driver = {
+ .name = "ums-datafab",
+ .probe = datafab_probe,
+ .disconnect = usb_stor_disconnect,
+ .suspend = usb_stor_suspend,
+ .resume = usb_stor_resume,
+ .reset_resume = usb_stor_reset_resume,
+ .pre_reset = usb_stor_pre_reset,
+ .post_reset = usb_stor_post_reset,
+ .id_table = datafab_usb_ids,
+ .soft_unbind = 1,
+ .no_dynamic_id = 1,
+};
+
+module_usb_driver(datafab_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 05:06:51 +0000