1 /* sane - Scanner Access Now Easy. 2 3 Copyright (C) 2000 Adrian Perez Jorge 4 Copyright (C) 2001 Frank Zago 5 Copyright (C) 2001 Marcio Teixeira 6 7 This file is part of the SANE package. 8 9 This program is free software; you can redistribute it and/or 10 modify it under the terms of the GNU General Public License as 11 published by the Free Software Foundation; either version 2 of the 12 License, or (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, but 15 WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <https://www.gnu.org/licenses/>. 21 22 As a special exception, the authors of SANE give permission for 23 additional uses of the libraries contained in this release of SANE. 24 25 The exception is that, if you link a SANE library with other files 26 to produce an executable, this does not by itself cause the 27 resulting executable to be covered by the GNU General Public 28 License. Your use of that executable is in no way restricted on 29 account of linking the SANE library code into it. 30 31 This exception does not, however, invalidate any other reasons why 32 the executable file might be covered by the GNU General Public 33 License. 34 35 If you submit changes to SANE to the maintainers to be included in 36 a subsequent release, you agree by submitting the changes that 37 those changes may be distributed with this exception intact. 38 39 If you write modifications of your own for SANE, it is your choice 40 whether to permit this exception to apply to your modifications. 41 If you do not wish that, delete this exception notice. 42 43 Interface files for the PowerVision 8630 chip, a USB to 44 parallel converter used in many scanners. 45 46 */ 47 48 #ifndef sanei_pv8630_h 49 #define sanei_pv8630_h 50 51 #include "../include/sane/config.h" 52 #include "../include/sane/sane.h" 53 54 typedef enum 55 { 56 PV8630_REQ_READBYTE = 0x00, 57 PV8630_REQ_WRITEBYTE = 0x01, 58 PV8630_REQ_EPPBULKREAD = 0x02, 59 PV8630_REQ_EPPBULKWRITE = 0x03, 60 PV8630_REQ_FLUSHBUFFER = 0x04, 61 PV8630_REQ_ENABLEINTERRUPT = 0x05, 62 PV8630_REQ_DISABLEINTERRUPT = 0x06, 63 PV8630_REQ_READWORD = 0x08, 64 PV8630_REQ_WRITEWORD = 0x09 65 } 66 SANEI_PV_Request; 67 68 typedef enum 69 { 70 PV8630_RDATA = 0x00, 71 PV8630_REPPADDRESS = 0x01, 72 PV8630_UNKNOWN = 0x02, 73 PV8630_RMODE = 0x03, 74 PV8630_RSTATUS = 0x04 75 } 76 SANEI_PV_Index; 77 78 extern void sanei_pv8630_init (void); 79 extern SANE_Status sanei_pv8630_write_byte (int fd, SANEI_PV_Index index, 80 SANE_Byte byte); 81 extern SANE_Status sanei_pv8630_read_byte (int fd, SANEI_PV_Index index, 82 SANE_Byte * byte); 83 extern SANE_Status sanei_pv8630_prep_bulkread (int fd, int len); 84 extern SANE_Status sanei_pv8630_prep_bulkwrite (int fd, int len); 85 extern SANE_Status sanei_pv8630_flush_buffer (int fd); 86 extern SANE_Status sanei_pv8630_bulkwrite (int fd, const void *data, 87 size_t * len); 88 extern SANE_Status sanei_pv8630_bulkread (int fd, void *data, size_t * len); 89 extern SANE_Status sanei_pv8630_xpect_byte (int fd, SANEI_PV_Index index, 90 SANE_Byte value, SANE_Byte mask); 91 extern SANE_Status sanei_pv8630_wait_byte (int fd, SANEI_PV_Index index, 92 SANE_Byte value, SANE_Byte mask, 93 int timeout); 94 #endif /* sanei_pv8630_h */ 95