1 /* ------------------------------------------------------------------------ *
2 * i2c-parport.h I2C bus over parallel port *
3 * ------------------------------------------------------------------------ *
4 Copyright (C) 2003-2010 Jean Delvare <jdelvare@suse.de>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 * ------------------------------------------------------------------------ */
37 unsigned int smbus_alert:1;
40 static const struct adapter_parm adapter_parm[] = {
41 /* type 0: Philips adapter */
43 .setsda = { 0x80, PORT_DATA, 1 },
44 .setscl = { 0x08, PORT_CTRL, 0 },
45 .getsda = { 0x80, PORT_STAT, 0 },
46 .getscl = { 0x08, PORT_STAT, 0 },
48 /* type 1: home brew teletext adapter */
50 .setsda = { 0x02, PORT_DATA, 0 },
51 .setscl = { 0x01, PORT_DATA, 0 },
52 .getsda = { 0x80, PORT_STAT, 1 },
54 /* type 2: Velleman K8000 adapter */
56 .setsda = { 0x02, PORT_CTRL, 1 },
57 .setscl = { 0x08, PORT_CTRL, 1 },
58 .getsda = { 0x10, PORT_STAT, 0 },
60 /* type 3: ELV adapter */
62 .setsda = { 0x02, PORT_DATA, 1 },
63 .setscl = { 0x01, PORT_DATA, 1 },
64 .getsda = { 0x40, PORT_STAT, 1 },
65 .getscl = { 0x08, PORT_STAT, 1 },
67 /* type 4: ADM1032 evaluation board */
69 .setsda = { 0x02, PORT_DATA, 1 },
70 .setscl = { 0x01, PORT_DATA, 1 },
71 .getsda = { 0x10, PORT_STAT, 1 },
72 .init = { 0xf0, PORT_DATA, 0 },
75 /* type 5: ADM1025, ADM1030 and ADM1031 evaluation boards */
77 .setsda = { 0x02, PORT_DATA, 1 },
78 .setscl = { 0x01, PORT_DATA, 1 },
79 .getsda = { 0x10, PORT_STAT, 1 },
81 /* type 6: Barco LPT->DVI (K5800236) adapter */
83 .setsda = { 0x02, PORT_DATA, 1 },
84 .setscl = { 0x01, PORT_DATA, 1 },
85 .getsda = { 0x20, PORT_STAT, 0 },
86 .getscl = { 0x40, PORT_STAT, 0 },
87 .init = { 0xfc, PORT_DATA, 0 },
89 /* type 7: One For All JP1 parallel port adapter */
91 .setsda = { 0x01, PORT_DATA, 0 },
92 .setscl = { 0x02, PORT_DATA, 0 },
93 .getsda = { 0x80, PORT_STAT, 1 },
94 .init = { 0x04, PORT_DATA, 1 },
99 module_param(type, int, 0);
100 MODULE_PARM_DESC(type,
102 " 0 = Philips adapter\n"
103 " 1 = home brew teletext adapter\n"
104 " 2 = Velleman K8000 adapter\n"
106 " 4 = ADM1032 evaluation board\n"
107 " 5 = ADM1025, ADM1030 and ADM1031 evaluation boards\n"
108 " 6 = Barco LPT->DVI (K5800236) adapter\n"
109 " 7 = One For All JP1 parallel port adapter\n"