diff options
Diffstat (limited to 'drivers/usb/storage/freecom.c')
| -rw-r--r-- | drivers/usb/storage/freecom.c | 201 |
1 files changed, 138 insertions, 63 deletions
diff --git a/drivers/usb/storage/freecom.c b/drivers/usb/storage/freecom.c index f5a4e8d6a3b..ef16068b708 100644 --- a/drivers/usb/storage/freecom.c +++ b/drivers/usb/storage/freecom.c @@ -1,7 +1,5 @@ /* Driver for Freecom USB/IDE adaptor * - * $Id: freecom.c,v 1.22 2002/04/22 03:39:43 mdharm Exp $ - * * Freecom v0.1: * * First release @@ -28,8 +26,7 @@ * (http://www.freecom.de/) */ -#include <linux/hdreg.h> - +#include <linux/module.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -37,10 +34,13 @@ #include "transport.h" #include "protocol.h" #include "debug.h" -#include "freecom.h" + +MODULE_DESCRIPTION("Driver for Freecom USB/IDE adaptor"); +MODULE_AUTHOR("David Brown <usb-storage@davidb.org>"); +MODULE_LICENSE("GPL"); #ifdef CONFIG_USB_STORAGE_DEBUG -static void pdump (void *, int); +static void pdump(struct us_data *us, void *ibuffer, int length); #endif /* Bits of HD_STATUS */ @@ -107,6 +107,47 @@ struct freecom_status { #define FCM_PACKET_LENGTH 64 #define FCM_STATUS_PACKET_LENGTH 4 +static int init_freecom(struct us_data *us); + + +/* + * 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 freecom_usb_ids[] = { +# include "unusual_freecom.h" + { } /* Terminating entry */ +}; +MODULE_DEVICE_TABLE(usb, freecom_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 freecom_unusual_dev_list[] = { +# include "unusual_freecom.h" + { } /* Terminating entry */ +}; + +#undef UNUSUAL_DEV + static int freecom_readdata (struct scsi_cmnd *srb, struct us_data *us, unsigned int ipipe, unsigned int opipe, int count) @@ -120,20 +161,20 @@ freecom_readdata (struct scsi_cmnd *srb, struct us_data *us, fxfr->Count = cpu_to_le32 (count); memset (fxfr->Pad, 0, sizeof (fxfr->Pad)); - US_DEBUGP("Read data Freecom! (c=%d)\n", count); + usb_stor_dbg(us, "Read data Freecom! (c=%d)\n", count); /* Issue the transfer command. */ result = usb_stor_bulk_transfer_buf (us, opipe, fxfr, FCM_PACKET_LENGTH, NULL); if (result != USB_STOR_XFER_GOOD) { - US_DEBUGP ("Freecom readdata transport error\n"); + usb_stor_dbg(us, "Freecom readdata transport error\n"); return USB_STOR_TRANSPORT_ERROR; } /* Now transfer all of our blocks. */ - US_DEBUGP("Start of read\n"); + usb_stor_dbg(us, "Start of read\n"); result = usb_stor_bulk_srb(us, ipipe, srb); - US_DEBUGP("freecom_readdata done!\n"); + usb_stor_dbg(us, "freecom_readdata done!\n"); if (result > USB_STOR_XFER_SHORT) return USB_STOR_TRANSPORT_ERROR; @@ -153,21 +194,21 @@ freecom_writedata (struct scsi_cmnd *srb, struct us_data *us, fxfr->Count = cpu_to_le32 (count); memset (fxfr->Pad, 0, sizeof (fxfr->Pad)); - US_DEBUGP("Write data Freecom! (c=%d)\n", count); + usb_stor_dbg(us, "Write data Freecom! (c=%d)\n", count); /* Issue the transfer command. */ result = usb_stor_bulk_transfer_buf (us, opipe, fxfr, FCM_PACKET_LENGTH, NULL); if (result != USB_STOR_XFER_GOOD) { - US_DEBUGP ("Freecom writedata transport error\n"); + usb_stor_dbg(us, "Freecom writedata transport error\n"); return USB_STOR_TRANSPORT_ERROR; } /* Now transfer all of our blocks. */ - US_DEBUGP("Start of write\n"); + usb_stor_dbg(us, "Start of write\n"); result = usb_stor_bulk_srb(us, opipe, srb); - US_DEBUGP("freecom_writedata done!\n"); + usb_stor_dbg(us, "freecom_writedata done!\n"); if (result > USB_STOR_XFER_SHORT) return USB_STOR_TRANSPORT_ERROR; return USB_STOR_TRANSPORT_GOOD; @@ -177,7 +218,7 @@ freecom_writedata (struct scsi_cmnd *srb, struct us_data *us, * Transport for the Freecom USB/IDE adaptor. * */ -int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) +static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) { struct freecom_cb_wrap *fcb; struct freecom_status *fst; @@ -189,7 +230,7 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) fcb = (struct freecom_cb_wrap *) us->iobuf; fst = (struct freecom_status *) us->iobuf; - US_DEBUGP("Freecom TRANSPORT STARTED\n"); + usb_stor_dbg(us, "Freecom TRANSPORT STARTED\n"); /* Get handles for both transports. */ opipe = us->send_bulk_pipe; @@ -201,7 +242,7 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) memcpy (fcb->Atapi, srb->cmnd, 12); memset (fcb->Filler, 0, sizeof (fcb->Filler)); - US_DEBUG(pdump (srb->cmnd, 12)); + US_DEBUG(pdump(us, srb->cmnd, 12)); /* Send it out. */ result = usb_stor_bulk_transfer_buf (us, opipe, fcb, @@ -211,7 +252,7 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) * USB land. It returns the status in its own registers, which * come back in the bulk pipe. */ if (result != USB_STOR_XFER_GOOD) { - US_DEBUGP ("freecom transport error\n"); + usb_stor_dbg(us, "freecom transport error\n"); return USB_STOR_TRANSPORT_ERROR; } @@ -219,23 +260,23 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) * doesn't hurt us to always do it now. */ result = usb_stor_bulk_transfer_buf (us, ipipe, fst, FCM_STATUS_PACKET_LENGTH, &partial); - US_DEBUGP("foo Status result %d %u\n", result, partial); + usb_stor_dbg(us, "foo Status result %d %u\n", result, partial); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; - US_DEBUG(pdump ((void *) fst, partial)); + US_DEBUG(pdump(us, (void *)fst, partial)); /* 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. + * without having to send a new ATAPI command to the device. * * NOTE: There is some indication that a data transfer after a timeout * may not work, but that is a condition that should never happen. */ while (fst->Status & FCM_STATUS_BUSY) { - US_DEBUGP("20 second USB/ATAPI bridge TIMEOUT occurred!\n"); - US_DEBUGP("fst->Status is %x\n", fst->Status); + usb_stor_dbg(us, "20 second USB/ATAPI bridge TIMEOUT occurred!\n"); + usb_stor_dbg(us, "fst->Status is %x\n", fst->Status); /* Get the status again */ fcb->Type = FCM_PACKET_STATUS; @@ -252,7 +293,7 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) * registers, which come back in the bulk pipe. */ if (result != USB_STOR_XFER_GOOD) { - US_DEBUGP ("freecom transport error\n"); + usb_stor_dbg(us, "freecom transport error\n"); return USB_STOR_TRANSPORT_ERROR; } @@ -260,43 +301,44 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) result = usb_stor_bulk_transfer_buf (us, ipipe, fst, FCM_STATUS_PACKET_LENGTH, &partial); - US_DEBUGP("bar Status result %d %u\n", result, partial); + usb_stor_dbg(us, "bar Status result %d %u\n", result, partial); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; - US_DEBUG(pdump ((void *) fst, partial)); + US_DEBUG(pdump(us, (void *)fst, partial)); } if (partial != 4) return USB_STOR_TRANSPORT_ERROR; if ((fst->Status & 1) != 0) { - US_DEBUGP("operation failed\n"); + usb_stor_dbg(us, "operation failed\n"); return USB_STOR_TRANSPORT_FAILED; } /* 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. */ - US_DEBUGP("Device indicates that it has %d bytes available\n", - le16_to_cpu (fst->Count)); - US_DEBUGP("SCSI requested %d\n", scsi_bufflen(srb)); + 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)); /* Find the length we desire to read. */ switch (srb->cmnd[0]) { - case INQUIRY: - case REQUEST_SENSE: /* 16 or 18 bytes? spec says 18, lots of devices only have 16 */ - case MODE_SENSE: - case MODE_SENSE_10: - length = le16_to_cpu(fst->Count); - break; - default: - length = scsi_bufflen(srb); + case INQUIRY: + case REQUEST_SENSE: /* 16 or 18 bytes? spec says 18, lots of devices only have 16 */ + case MODE_SENSE: + case MODE_SENSE_10: + length = le16_to_cpu(fst->Count); + break; + default: + length = scsi_bufflen(srb); } /* verify that this amount is legal */ if (length > scsi_bufflen(srb)) { length = scsi_bufflen(srb); - US_DEBUGP("Truncating request to match buffer length: %d\n", length); + usb_stor_dbg(us, "Truncating request to match buffer length: %d\n", + length); } /* What we do now depends on what direction the data is supposed to @@ -310,29 +352,29 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) /* Make sure that the status indicates that the device * wants data as well. */ if ((fst->Status & DRQ_STAT) == 0 || (fst->Reason & 3) != 2) { - US_DEBUGP("SCSI wants data, drive doesn't have any\n"); + usb_stor_dbg(us, "SCSI wants data, drive doesn't have any\n"); return USB_STOR_TRANSPORT_FAILED; } result = freecom_readdata (srb, us, ipipe, opipe, length); if (result != USB_STOR_TRANSPORT_GOOD) return result; - US_DEBUGP("FCM: Waiting for status\n"); + usb_stor_dbg(us, "Waiting for status\n"); result = usb_stor_bulk_transfer_buf (us, ipipe, fst, FCM_PACKET_LENGTH, &partial); - US_DEBUG(pdump ((void *) fst, partial)); + US_DEBUG(pdump(us, (void *)fst, partial)); if (partial != 4 || result > USB_STOR_XFER_SHORT) return USB_STOR_TRANSPORT_ERROR; if ((fst->Status & ERR_STAT) != 0) { - US_DEBUGP("operation failed\n"); + usb_stor_dbg(us, "operation failed\n"); return USB_STOR_TRANSPORT_FAILED; } if ((fst->Reason & 3) != 3) { - US_DEBUGP("Drive seems still hungry\n"); + usb_stor_dbg(us, "Drive seems still hungry\n"); return USB_STOR_TRANSPORT_FAILED; } - US_DEBUGP("Transfer happy\n"); + usb_stor_dbg(us, "Transfer happy\n"); break; case DMA_TO_DEVICE: @@ -346,22 +388,22 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) if (result != USB_STOR_TRANSPORT_GOOD) return result; - US_DEBUGP("FCM: Waiting for status\n"); + usb_stor_dbg(us, "Waiting for status\n"); result = usb_stor_bulk_transfer_buf (us, ipipe, fst, FCM_PACKET_LENGTH, &partial); if (partial != 4 || result > USB_STOR_XFER_SHORT) return USB_STOR_TRANSPORT_ERROR; if ((fst->Status & ERR_STAT) != 0) { - US_DEBUGP("operation failed\n"); + usb_stor_dbg(us, "operation failed\n"); return USB_STOR_TRANSPORT_FAILED; } if ((fst->Reason & 3) != 3) { - US_DEBUGP("Drive seems still hungry\n"); + usb_stor_dbg(us, "Drive seems still hungry\n"); return USB_STOR_TRANSPORT_FAILED; } - US_DEBUGP("Transfer happy\n"); + usb_stor_dbg(us, "Transfer happy\n"); break; @@ -371,9 +413,9 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) default: /* should never hit here -- filtered in usb.c */ - US_DEBUGP ("freecom unimplemented direction: %d\n", - us->srb->sc_data_direction); - // Return fail, SCSI seems to handle this better. + usb_stor_dbg(us, "freecom unimplemented direction: %d\n", + us->srb->sc_data_direction); + /* Return fail, SCSI seems to handle this better. */ return USB_STOR_TRANSPORT_FAILED; break; } @@ -381,8 +423,7 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) return USB_STOR_TRANSPORT_GOOD; } -int -freecom_init (struct us_data *us) +static int init_freecom(struct us_data *us) { int result; char *buffer = us->iobuf; @@ -394,7 +435,7 @@ freecom_init (struct us_data *us) result = usb_stor_control_msg(us, us->recv_ctrl_pipe, 0x4c, 0xc0, 0x4346, 0x0, buffer, 0x20, 3*HZ); buffer[32] = '\0'; - US_DEBUGP("String returned from FC init is: %s\n", buffer); + usb_stor_dbg(us, "String returned from FC init is: %s\n", buffer); /* Special thanks to the people at Freecom for providing me with * this "magic sequence", which they use in their Windows and MacOS @@ -405,7 +446,7 @@ freecom_init (struct us_data *us) /* send reset */ result = usb_stor_control_msg(us, us->send_ctrl_pipe, 0x4d, 0x40, 0x24d8, 0x0, NULL, 0x0, 3*HZ); - US_DEBUGP("result from activate reset is %d\n", result); + usb_stor_dbg(us, "result from activate reset is %d\n", result); /* wait 250ms */ mdelay(250); @@ -413,7 +454,7 @@ freecom_init (struct us_data *us) /* clear reset */ result = usb_stor_control_msg(us, us->send_ctrl_pipe, 0x4d, 0x40, 0x24f8, 0x0, NULL, 0x0, 3*HZ); - US_DEBUGP("result from clear reset is %d\n", result); + usb_stor_dbg(us, "result from clear reset is %d\n", result); /* wait 3 seconds */ mdelay(3 * 1000); @@ -421,7 +462,7 @@ freecom_init (struct us_data *us) return USB_STOR_TRANSPORT_GOOD; } -int usb_stor_freecom_reset(struct us_data *us) +static int usb_stor_freecom_reset(struct us_data *us) { printk (KERN_CRIT "freecom reset called\n"); @@ -430,7 +471,7 @@ int usb_stor_freecom_reset(struct us_data *us) } #ifdef CONFIG_USB_STORAGE_DEBUG -static void pdump (void *ibuffer, int length) +static void pdump(struct us_data *us, void *ibuffer, int length) { static char line[80]; int offset = 0; @@ -450,12 +491,11 @@ static void pdump (void *ibuffer, int length) line[offset++] = '.'; } line[offset] = 0; - US_DEBUGP("%s\n", line); + usb_stor_dbg(us, "%s\n", line); offset = 0; } offset += sprintf (line+offset, "%08x:", i); - } - else if ((i & 7) == 0) { + } else if ((i & 7) == 0) { offset += sprintf (line+offset, " -"); } offset += sprintf (line+offset, " %02x", buffer[i] & 0xff); @@ -478,8 +518,43 @@ static void pdump (void *ibuffer, int length) line[offset++] = '.'; } line[offset] = 0; - US_DEBUGP("%s\n", line); + usb_stor_dbg(us, "%s\n", line); offset = 0; } #endif +static int freecom_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 - freecom_usb_ids) + freecom_unusual_dev_list); + if (result) + return result; + + us->transport_name = "Freecom"; + us->transport = freecom_transport; + us->transport_reset = usb_stor_freecom_reset; + us->max_lun = 0; + + result = usb_stor_probe2(us); + return result; +} + +static struct usb_driver freecom_driver = { + .name = "ums-freecom", + .probe = freecom_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 = freecom_usb_ids, + .soft_unbind = 1, + .no_dynamic_id = 1, +}; + +module_usb_driver(freecom_driver); |