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linux-next/drivers/i2c/busses/i2c-parport.h
Ondrej Zary 82cd5d041c i2c: parport: Add VCT-jig adapter
Add support for VCT-jig parallel port I2C adapter to i2c-parport.

The adapter schematic can be found here (in the RAR file):
http://remont-aud.net/shop/22/desc/vct-jig-komplekt-dlja-samostojatelnoj-sborki

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2015-08-10 08:37:34 +02:00

115 lines
3.2 KiB
C

/* ------------------------------------------------------------------------ *
* i2c-parport.h I2C bus over parallel port *
* ------------------------------------------------------------------------ *
Copyright (C) 2003-2010 Jean Delvare <jdelvare@suse.de>
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.
* ------------------------------------------------------------------------ */
#define PORT_DATA 0
#define PORT_STAT 1
#define PORT_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;
unsigned int smbus_alert:1;
};
static const struct adapter_parm adapter_parm[] = {
/* type 0: Philips adapter */
{
.setsda = { 0x80, PORT_DATA, 1 },
.setscl = { 0x08, PORT_CTRL, 0 },
.getsda = { 0x80, PORT_STAT, 0 },
.getscl = { 0x08, PORT_STAT, 0 },
},
/* type 1: home brew teletext adapter */
{
.setsda = { 0x02, PORT_DATA, 0 },
.setscl = { 0x01, PORT_DATA, 0 },
.getsda = { 0x80, PORT_STAT, 1 },
},
/* type 2: Velleman K8000 adapter */
{
.setsda = { 0x02, PORT_CTRL, 1 },
.setscl = { 0x08, PORT_CTRL, 1 },
.getsda = { 0x10, PORT_STAT, 0 },
},
/* type 3: ELV adapter */
{
.setsda = { 0x02, PORT_DATA, 1 },
.setscl = { 0x01, PORT_DATA, 1 },
.getsda = { 0x40, PORT_STAT, 1 },
.getscl = { 0x08, PORT_STAT, 1 },
},
/* type 4: ADM1032 evaluation board */
{
.setsda = { 0x02, PORT_DATA, 1 },
.setscl = { 0x01, PORT_DATA, 1 },
.getsda = { 0x10, PORT_STAT, 1 },
.init = { 0xf0, PORT_DATA, 0 },
.smbus_alert = 1,
},
/* type 5: ADM1025, ADM1030 and ADM1031 evaluation boards */
{
.setsda = { 0x02, PORT_DATA, 1 },
.setscl = { 0x01, PORT_DATA, 1 },
.getsda = { 0x10, PORT_STAT, 1 },
},
/* type 6: Barco LPT->DVI (K5800236) adapter */
{
.setsda = { 0x02, PORT_DATA, 1 },
.setscl = { 0x01, PORT_DATA, 1 },
.getsda = { 0x20, PORT_STAT, 0 },
.getscl = { 0x40, PORT_STAT, 0 },
.init = { 0xfc, PORT_DATA, 0 },
},
/* type 7: One For All JP1 parallel port adapter */
{
.setsda = { 0x01, PORT_DATA, 0 },
.setscl = { 0x02, PORT_DATA, 0 },
.getsda = { 0x80, PORT_STAT, 1 },
.init = { 0x04, PORT_DATA, 1 },
},
/* type 8: VCT-jig */
{
.setsda = { 0x04, PORT_DATA, 1 },
.setscl = { 0x01, PORT_DATA, 1 },
.getsda = { 0x40, PORT_STAT, 0 },
.getscl = { 0x80, PORT_STAT, 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"
" 8 = VCT-jig\n"
);