1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
4 */
5/*
6 * driver for VIA VT1622(M) Digital TV Encoder
7 */
8
9#include <linux/slab.h>
10#include "via_aux.h"
11
12
13static const char *name = "VT1622(M) Digital TV Encoder";
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: &drv, start: 0x1B, buf: &tmp, len: 1) || tmp != 0x03)
25 return;
26
27 printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
28 via_aux_add(drv: &drv);
29}
30
31void via_aux_vt1622_probe(struct via_aux_bus *bus)
32{
33 probe(bus, addr: 0x20);
34 probe(bus, addr: 0x21);
35}
36

source code of linux/drivers/video/fbdev/via/via_aux_vt1622.c