/* ------------------------------------------------------------------------ * * i2c-parport.h I2C bus over parallel port * * ------------------------------------------------------------------------ * Copyright (C) 2003-2004 Jean Delvare <khali@linux-fr.org> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ------------------------------------------------------------------------ */ #ifdef DATA #undef DATA #endif #define DATA 0 #define STAT 1 #define CTRL 2 struct lineop { u8 val; u8 port; u8 inverted; }; struct adapter_parm { struct lineop setsda; struct lineop setscl; struct lineop getsda; struct lineop getscl; struct lineop init; }; static struct adapter_parm adapter_parm[] = { /* type 0: Philips adapter */ { .setsda = { 0x80, DATA, 1 }, .setscl = { 0x08, CTRL, 0 }, .getsda = { 0x80, STAT, 0 }, .getscl = { 0x08, STAT, 0 }, }, /* type 1: home brew teletext adapter */ { .setsda = { 0x02, DATA, 0 }, .setscl = { 0x01, DATA, 0 }, .getsda = { 0x80, STAT, 1 }, }, /* type 2: Velleman K8000 adapter */ { .setsda = { 0x02, CTRL, 1 }, .setscl = { 0x08, CTRL, 1 }, .getsda = { 0x10, STAT, 0 }, }, /* type 3: ELV adapter */ { .setsda = { 0x02, DATA, 1 }, .setscl = { 0x01, DATA, 1 }, .getsda = { 0x40, STAT, 1 }, .getscl = { 0x08, STAT, 1 }, }, /* type 4: ADM1032 evaluation board */ { .setsda = { 0x02, DATA, 1 }, .setscl = { 0x01, DATA, 1 }, .getsda = { 0x10, STAT, 1 }, .init = { 0xf0, DATA, 0 }, }, /* type 5: ADM1025, ADM1030 and ADM1031 evaluation boards */ { .setsda = { 0x02, DATA, 1 }, .setscl = { 0x01, DATA, 1 }, .getsda = { 0x10, STAT, 1 }, }, /* type 6: Barco LPT->DVI (K5800236) adapter */ { .setsda = { 0x02, DATA, 1 }, .setscl = { 0x01, DATA, 1 }, .getsda = { 0x20, STAT, 0 }, .getscl = { 0x40, STAT, 0 }, .init = { 0xfc, DATA, 0 }, }, /* type 7: One For All JP1 parallel port adapter */ { .setsda = { 0x01, DATA, 0 }, .setscl = { 0x02, DATA, 0 }, .getsda = { 0x80, STAT, 1 }, .init = { 0x04, DATA, 1 }, }, }; static int type = -1; module_param(type, int, 0); MODULE_PARM_DESC(type, "Type of adapter:\n" " 0 = Philips adapter\n" " 1 = home brew teletext adapter\n" " 2 = Velleman K8000 adapter\n" " 3 = ELV adapter\n" " 4 = ADM1032 evaluation board\n" " 5 = ADM1025, ADM1030 and ADM1031 evaluation boards\n" " 6 = Barco LPT->DVI (K5800236) adapter\n" " 7 = One For All JP1 parallel port adapter\n" );