1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Driver for Microtek Scanmaker X6 USB scanner and possibly others. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * (C) Copyright 2000 John Fremlin <vii@penguinpowered.com> 6*4882a593Smuzhiyun * (C) Copyright 2000 Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de> 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * See microtek.c for history 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun typedef void (*mts_scsi_cmnd_callback)(struct scsi_cmnd *); 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct mts_transfer_context 16*4882a593Smuzhiyun { 17*4882a593Smuzhiyun struct mts_desc *instance; 18*4882a593Smuzhiyun mts_scsi_cmnd_callback final_callback; 19*4882a593Smuzhiyun struct scsi_cmnd *srb; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun void *data; 22*4882a593Smuzhiyun unsigned data_length; 23*4882a593Smuzhiyun int data_pipe; 24*4882a593Smuzhiyun struct scatterlist *curr_sg; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun u8 *scsi_status; /* status returned from ep_response after command completion */ 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun struct mts_desc { 31*4882a593Smuzhiyun struct mts_desc *next; 32*4882a593Smuzhiyun struct mts_desc *prev; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun struct usb_device *usb_dev; 35*4882a593Smuzhiyun struct usb_interface *usb_intf; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun /* Endpoint addresses */ 38*4882a593Smuzhiyun u8 ep_out; 39*4882a593Smuzhiyun u8 ep_response; 40*4882a593Smuzhiyun u8 ep_image; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun struct Scsi_Host *host; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun struct urb *urb; 45*4882a593Smuzhiyun struct mts_transfer_context context; 46*4882a593Smuzhiyun }; 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun #define MTS_EP_OUT 0x1 50*4882a593Smuzhiyun #define MTS_EP_RESPONSE 0x2 51*4882a593Smuzhiyun #define MTS_EP_IMAGE 0x3 52*4882a593Smuzhiyun #define MTS_EP_TOTAL 0x3 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun #define MTS_SCSI_ERR_MASK ~0x3fu 55*4882a593Smuzhiyun 56