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1da177e4 LT |
1 | /* ------------------------------------------------------------------------ * |
2 | * i2c-parport.h I2C bus over parallel port * | |
3 | * ------------------------------------------------------------------------ * | |
35859254 | 4 | Copyright (C) 2003-2010 Jean Delvare <khali@linux-fr.org> |
07da0372 | 5 | |
1da177e4 LT |
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. | |
10 | ||
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. | |
15 | ||
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 | * ------------------------------------------------------------------------ */ | |
20 | ||
07da0372 JD |
21 | #define PORT_DATA 0 |
22 | #define PORT_STAT 1 | |
23 | #define PORT_CTRL 2 | |
1da177e4 LT |
24 | |
25 | struct lineop { | |
26 | u8 val; | |
27 | u8 port; | |
28 | u8 inverted; | |
29 | }; | |
30 | ||
31 | struct adapter_parm { | |
32 | struct lineop setsda; | |
33 | struct lineop setscl; | |
34 | struct lineop getsda; | |
35 | struct lineop getscl; | |
36 | struct lineop init; | |
35859254 | 37 | unsigned int smbus_alert:1; |
1da177e4 LT |
38 | }; |
39 | ||
07da0372 | 40 | static const struct adapter_parm adapter_parm[] = { |
1da177e4 LT |
41 | /* type 0: Philips adapter */ |
42 | { | |
07da0372 JD |
43 | .setsda = { 0x80, PORT_DATA, 1 }, |
44 | .setscl = { 0x08, PORT_CTRL, 0 }, | |
45 | .getsda = { 0x80, PORT_STAT, 0 }, | |
46 | .getscl = { 0x08, PORT_STAT, 0 }, | |
1da177e4 LT |
47 | }, |
48 | /* type 1: home brew teletext adapter */ | |
49 | { | |
07da0372 JD |
50 | .setsda = { 0x02, PORT_DATA, 0 }, |
51 | .setscl = { 0x01, PORT_DATA, 0 }, | |
52 | .getsda = { 0x80, PORT_STAT, 1 }, | |
1da177e4 LT |
53 | }, |
54 | /* type 2: Velleman K8000 adapter */ | |
55 | { | |
07da0372 JD |
56 | .setsda = { 0x02, PORT_CTRL, 1 }, |
57 | .setscl = { 0x08, PORT_CTRL, 1 }, | |
58 | .getsda = { 0x10, PORT_STAT, 0 }, | |
1da177e4 LT |
59 | }, |
60 | /* type 3: ELV adapter */ | |
61 | { | |
07da0372 JD |
62 | .setsda = { 0x02, PORT_DATA, 1 }, |
63 | .setscl = { 0x01, PORT_DATA, 1 }, | |
64 | .getsda = { 0x40, PORT_STAT, 1 }, | |
65 | .getscl = { 0x08, PORT_STAT, 1 }, | |
1da177e4 LT |
66 | }, |
67 | /* type 4: ADM1032 evaluation board */ | |
68 | { | |
07da0372 JD |
69 | .setsda = { 0x02, PORT_DATA, 1 }, |
70 | .setscl = { 0x01, PORT_DATA, 1 }, | |
71 | .getsda = { 0x10, PORT_STAT, 1 }, | |
72 | .init = { 0xf0, PORT_DATA, 0 }, | |
35859254 | 73 | .smbus_alert = 1, |
1da177e4 LT |
74 | }, |
75 | /* type 5: ADM1025, ADM1030 and ADM1031 evaluation boards */ | |
76 | { | |
07da0372 JD |
77 | .setsda = { 0x02, PORT_DATA, 1 }, |
78 | .setscl = { 0x01, PORT_DATA, 1 }, | |
79 | .getsda = { 0x10, PORT_STAT, 1 }, | |
1da177e4 | 80 | }, |
1d26f455 PK |
81 | /* type 6: Barco LPT->DVI (K5800236) adapter */ |
82 | { | |
07da0372 JD |
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 }, | |
1d26f455 | 88 | }, |
55249cf7 JM |
89 | /* type 7: One For All JP1 parallel port adapter */ |
90 | { | |
07da0372 JD |
91 | .setsda = { 0x01, PORT_DATA, 0 }, |
92 | .setscl = { 0x02, PORT_DATA, 0 }, | |
93 | .getsda = { 0x80, PORT_STAT, 1 }, | |
94 | .init = { 0x04, PORT_DATA, 1 }, | |
55249cf7 | 95 | }, |
1da177e4 LT |
96 | }; |
97 | ||
e97b81dd | 98 | static int type = -1; |
1da177e4 LT |
99 | module_param(type, int, 0); |
100 | MODULE_PARM_DESC(type, | |
101 | "Type of adapter:\n" | |
102 | " 0 = Philips adapter\n" | |
103 | " 1 = home brew teletext adapter\n" | |
104 | " 2 = Velleman K8000 adapter\n" | |
105 | " 3 = ELV adapter\n" | |
106 | " 4 = ADM1032 evaluation board\n" | |
1d26f455 PK |
107 | " 5 = ADM1025, ADM1030 and ADM1031 evaluation boards\n" |
108 | " 6 = Barco LPT->DVI (K5800236) adapter\n" | |
55249cf7 | 109 | " 7 = One For All JP1 parallel port adapter\n" |
1d26f455 | 110 | ); |