forked from Minki/linux
c942fddf87
Based on 3 normalized pattern(s): 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 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 [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] 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 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 [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* ------------------------------------------------------------------------ *
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* i2c-parport.h I2C bus over parallel port *
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* ------------------------------------------------------------------------ *
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Copyright (C) 2003-2010 Jean Delvare <jdelvare@suse.de>
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* ------------------------------------------------------------------------ */
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#define PORT_DATA 0
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#define PORT_STAT 1
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#define PORT_CTRL 2
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struct lineop {
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u8 val;
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u8 port;
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u8 inverted;
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};
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struct adapter_parm {
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struct lineop setsda;
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struct lineop setscl;
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struct lineop getsda;
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struct lineop getscl;
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struct lineop init;
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unsigned int smbus_alert:1;
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};
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static const struct adapter_parm adapter_parm[] = {
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/* type 0: Philips adapter */
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{
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.setsda = { 0x80, PORT_DATA, 1 },
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.setscl = { 0x08, PORT_CTRL, 0 },
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.getsda = { 0x80, PORT_STAT, 0 },
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.getscl = { 0x08, PORT_STAT, 0 },
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},
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/* type 1: home brew teletext adapter */
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{
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.setsda = { 0x02, PORT_DATA, 0 },
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.setscl = { 0x01, PORT_DATA, 0 },
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.getsda = { 0x80, PORT_STAT, 1 },
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},
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/* type 2: Velleman K8000 adapter */
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{
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.setsda = { 0x02, PORT_CTRL, 1 },
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.setscl = { 0x08, PORT_CTRL, 1 },
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.getsda = { 0x10, PORT_STAT, 0 },
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},
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/* type 3: ELV adapter */
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{
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.setsda = { 0x02, PORT_DATA, 1 },
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.setscl = { 0x01, PORT_DATA, 1 },
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.getsda = { 0x40, PORT_STAT, 1 },
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.getscl = { 0x08, PORT_STAT, 1 },
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},
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/* type 4: ADM1032 evaluation board */
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{
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.setsda = { 0x02, PORT_DATA, 1 },
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.setscl = { 0x01, PORT_DATA, 1 },
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.getsda = { 0x10, PORT_STAT, 1 },
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.init = { 0xf0, PORT_DATA, 0 },
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.smbus_alert = 1,
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},
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/* type 5: ADM1025, ADM1030 and ADM1031 evaluation boards */
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{
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.setsda = { 0x02, PORT_DATA, 1 },
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.setscl = { 0x01, PORT_DATA, 1 },
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.getsda = { 0x10, PORT_STAT, 1 },
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},
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/* type 6: Barco LPT->DVI (K5800236) adapter */
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{
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.setsda = { 0x02, PORT_DATA, 1 },
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.setscl = { 0x01, PORT_DATA, 1 },
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.getsda = { 0x20, PORT_STAT, 0 },
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.getscl = { 0x40, PORT_STAT, 0 },
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.init = { 0xfc, PORT_DATA, 0 },
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},
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/* type 7: One For All JP1 parallel port adapter */
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{
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.setsda = { 0x01, PORT_DATA, 0 },
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.setscl = { 0x02, PORT_DATA, 0 },
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.getsda = { 0x80, PORT_STAT, 1 },
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.init = { 0x04, PORT_DATA, 1 },
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},
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/* type 8: VCT-jig */
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{
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.setsda = { 0x04, PORT_DATA, 1 },
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.setscl = { 0x01, PORT_DATA, 1 },
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.getsda = { 0x40, PORT_STAT, 0 },
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.getscl = { 0x80, PORT_STAT, 1 },
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},
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};
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static int type = -1;
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module_param(type, int, 0);
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MODULE_PARM_DESC(type,
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"Type of adapter:\n"
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" 0 = Philips adapter\n"
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" 1 = home brew teletext adapter\n"
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" 2 = Velleman K8000 adapter\n"
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" 3 = ELV adapter\n"
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" 4 = ADM1032 evaluation board\n"
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" 5 = ADM1025, ADM1030 and ADM1031 evaluation boards\n"
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" 6 = Barco LPT->DVI (K5800236) adapter\n"
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" 7 = One For All JP1 parallel port adapter\n"
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" 8 = VCT-jig\n"
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);
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