mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-03 00:54:09 +08:00
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
|
/*
|
||
|
|
* Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.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, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; 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.,
|
||
|
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* driver for Chrontel CH7301 DVI Transmitter
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/slab.h>
|
||
|
|
#include "via_aux.h"
|
||
|
|
|
||
|
|
|
||
|
|
static const char *name = "CH7301 DVI Transmitter";
|
||
|
|
|
||
|
|
|
||
|
|
static void probe(struct via_aux_bus *bus, u8 addr)
|
||
|
|
{
|
||
|
|
struct via_aux_drv drv = {
|
||
|
|
.bus = bus,
|
||
|
|
.addr = addr,
|
||
|
|
.name = name};
|
||
|
|
u8 tmp;
|
||
|
|
|
||
|
|
if (!via_aux_read(&drv, 0x4B, &tmp, 1) || tmp != 0x17)
|
||
|
|
return;
|
||
|
|
|
||
|
|
printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
|
||
|
|
via_aux_add(&drv);
|
||
|
|
}
|
||
|
|
|
||
|
|
void via_aux_ch7301_probe(struct via_aux_bus *bus)
|
||
|
|
{
|
||
|
|
probe(bus, 0x75);
|
||
|
|
probe(bus, 0x76);
|
||
|
|
}
|