-/* Driver for Freecom USB/IDE adaptor
+/*
+ * Driver for Freecom USB/IDE adaptor
*
* Freecom v0.1:
*
u8 Pad[60];
};
-/* Freecom stuffs the interrupt status in the INDEX_STAT bit of the ide
- * register. */
+/*
+ * Freecom stuffs the interrupt status in the INDEX_STAT bit of the ide
+ * register.
+ */
#define FCM_INT_STATUS 0x02 /* INDEX_STAT */
#define FCM_STATUS_BUSY 0x80
-/* These are the packet types. The low bit indicates that this command
- * should wait for an interrupt. */
+/*
+ * These are the packet types. The low bit indicates that this command
+ * should wait for an interrupt.
+ */
#define FCM_PACKET_ATAPI 0x21
#define FCM_PACKET_STATUS 0x20
-/* Receive data from the IDE interface. The ATAPI packet has already
- * waited, so the data should be immediately available. */
+/*
+ * Receive data from the IDE interface. The ATAPI packet has already
+ * waited, so the data should be immediately available.
+ */
#define FCM_PACKET_INPUT 0x81
/* Send data to the IDE interface. */
#define FCM_PACKET_OUTPUT 0x01
-/* Write a value to an ide register. Or the ide register to write after
- * munging the address a bit. */
+/*
+ * Write a value to an ide register. Or the ide register to write after
+ * munging the address a bit.
+ */
#define FCM_PACKET_IDE_WRITE 0x40
#define FCM_PACKET_IDE_READ 0xC0
result = usb_stor_bulk_transfer_buf (us, opipe, fcb,
FCM_PACKET_LENGTH, NULL);
- /* The Freecom device will only fail if there is something wrong in
+ /*
+ * The Freecom device will only fail if there is something wrong in
* USB land. It returns the status in its own registers, which
- * come back in the bulk pipe. */
+ * come back in the bulk pipe.
+ */
if (result != USB_STOR_XFER_GOOD) {
usb_stor_dbg(us, "freecom transport error\n");
return USB_STOR_TRANSPORT_ERROR;
}
- /* There are times we can optimize out this status read, but it
- * doesn't hurt us to always do it now. */
+ /*
+ * There are times we can optimize out this status read, but it
+ * doesn't hurt us to always do it now.
+ */
result = usb_stor_bulk_transfer_buf (us, ipipe, fst,
FCM_STATUS_PACKET_LENGTH, &partial);
usb_stor_dbg(us, "foo Status result %d %u\n", result, partial);
US_DEBUG(pdump(us, (void *)fst, partial));
- /* The firmware will time-out commands after 20 seconds. Some commands
+ /*
+ * The firmware will time-out commands after 20 seconds. Some commands
* can legitimately take longer than this, so we use a different
* command that only waits for the interrupt and then sends status,
* without having to send a new ATAPI command to the device.
result = usb_stor_bulk_transfer_buf (us, opipe, fcb,
FCM_PACKET_LENGTH, NULL);
- /* The Freecom device will only fail if there is something
+ /*
+ * The Freecom device will only fail if there is something
* wrong in USB land. It returns the status in its own
* registers, which come back in the bulk pipe.
*/
return USB_STOR_TRANSPORT_FAILED;
}
- /* The device might not have as much data available as we
+ /*
+ * The device might not have as much data available as we
* requested. If you ask for more than the device has, this reads
- * and such will hang. */
+ * and such will hang.
+ */
usb_stor_dbg(us, "Device indicates that it has %d bytes available\n",
le16_to_cpu(fst->Count));
usb_stor_dbg(us, "SCSI requested %d\n", scsi_bufflen(srb));
length);
}
- /* What we do now depends on what direction the data is supposed to
- * move in. */
+ /*
+ * What we do now depends on what direction the data is supposed to
+ * move in.
+ */
switch (us->srb->sc_data_direction) {
case DMA_FROM_DEVICE:
/* catch bogus "read 0 length" case */
if (!length)
break;
- /* Make sure that the status indicates that the device
- * wants data as well. */
+ /*
+ * Make sure that the status indicates that the device
+ * wants data as well.
+ */
if ((fst->Status & DRQ_STAT) == 0 || (fst->Reason & 3) != 2) {
usb_stor_dbg(us, "SCSI wants data, drive doesn't have any\n");
return USB_STOR_TRANSPORT_FAILED;
/* catch bogus "write 0 length" case */
if (!length)
break;
- /* Make sure the status indicates that the device wants to
- * send us data. */
+ /*
+ * Make sure the status indicates that the device wants to
+ * send us data.
+ */
/* !!IMPLEMENT!! */
result = freecom_writedata (srb, us, ipipe, opipe, length);
if (result != USB_STOR_TRANSPORT_GOOD)
int result;
char *buffer = us->iobuf;
- /* The DMA-mapped I/O buffer is 64 bytes long, just right for
+ /*
+ * The DMA-mapped I/O buffer is 64 bytes long, just right for
* all our packets. No need to allocate any extra buffer space.
*/
buffer[32] = '\0';
usb_stor_dbg(us, "String returned from FC init is: %s\n", buffer);
- /* Special thanks to the people at Freecom for providing me with
+ /*
+ * Special thanks to the people at Freecom for providing me with
* this "magic sequence", which they use in their Windows and MacOS
* drivers to make sure that all the attached perhiperals are
* properly reset.
projects / karo-tx-linux.git / blobdiff