cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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via_aux_ch7301.c (668B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
      4 */
      5/*
      6 * driver for Chrontel CH7301 DVI Transmitter
      7 */
      8
      9#include <linux/slab.h>
     10#include "via_aux.h"
     11
     12
     13static const char *name = "CH7301 DVI Transmitter";
     14
     15
     16static void probe(struct via_aux_bus *bus, u8 addr)
     17{
     18	struct via_aux_drv drv = {
     19		.bus	=	bus,
     20		.addr	=	addr,
     21		.name	=	name};
     22	u8 tmp;
     23
     24	if (!via_aux_read(&drv, 0x4B, &tmp, 1) || tmp != 0x17)
     25		return;
     26
     27	printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
     28	via_aux_add(&drv);
     29}
     30
     31void via_aux_ch7301_probe(struct via_aux_bus *bus)
     32{
     33	probe(bus, 0x75);
     34	probe(bus, 0x76);
     35}