diff options
Diffstat (limited to 'drivers/usb/storage/cypress_atacb.c')
-rw-r--r-- | drivers/usb/storage/cypress_atacb.c | 88 |
1 files changed, 87 insertions, 1 deletions
diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c index 9466a99baab6..19306f7b1dae 100644 --- a/drivers/usb/storage/cypress_atacb.c +++ b/drivers/usb/storage/cypress_atacb.c @@ -19,6 +19,7 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/module.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_eh.h> @@ -29,6 +30,46 @@ #include "scsiglue.h" #include "debug.h" + +/* + * 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)|(USB_US_TYPE_STOR<<24) } + +struct usb_device_id cypress_usb_ids[] = { +# include "unusual_cypress.h" + { } /* Terminating entry */ +}; +MODULE_DEVICE_TABLE(usb, cypress_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 cypress_unusual_dev_list[] = { +# include "unusual_cypress.h" + { } /* Terminating entry */ +}; + +#undef UNUSUAL_DEV + + /* * ATACB is a protocol used on cypress usb<->ata bridge to * send raw ATA command over mass storage @@ -36,7 +77,7 @@ * More info that be found on cy7c68310_8.pdf and cy7c68300c_8.pdf * datasheet from cypress.com. */ -void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) +static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) { unsigned char save_cmnd[MAX_COMMAND_SIZE]; @@ -197,3 +238,48 @@ end: if (srb->cmnd[0] == ATA_12) srb->cmd_len = 12; } + + +static int cypress_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 - cypress_usb_ids) + cypress_unusual_dev_list); + if (result) + return result; + + us->protocol_name = "Transparent SCSI with Cypress ATACB"; + us->proto_handler = cypress_atacb_passthrough; + + result = usb_stor_probe2(us); + return result; +} + +static struct usb_driver cypress_driver = { + .name = "ums-cypress", + .probe = cypress_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 = cypress_usb_ids, + .soft_unbind = 1, +}; + +static int __init cypress_init(void) +{ + return usb_register(&cypress_driver); +} + +static void __exit cypress_exit(void) +{ + usb_deregister(&cypress_driver); +} + +module_init(cypress_init); +module_exit(cypress_exit); |