1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun /*
6*4882a593Smuzhiyun * driver for VIA VT1625(M) HDTV Encoder
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <linux/slab.h>
10*4882a593Smuzhiyun #include "via_aux.h"
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun static const char *name = "VT1625(M) HDTV Encoder";
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun
probe(struct via_aux_bus * bus,u8 addr)16*4882a593Smuzhiyun static void probe(struct via_aux_bus *bus, u8 addr)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun struct via_aux_drv drv = {
19*4882a593Smuzhiyun .bus = bus,
20*4882a593Smuzhiyun .addr = addr,
21*4882a593Smuzhiyun .name = name};
22*4882a593Smuzhiyun u8 tmp;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun if (!via_aux_read(&drv, 0x1B, &tmp, 1) || tmp != 0x50)
25*4882a593Smuzhiyun return;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
28*4882a593Smuzhiyun via_aux_add(&drv);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
via_aux_vt1625_probe(struct via_aux_bus * bus)31*4882a593Smuzhiyun void via_aux_vt1625_probe(struct via_aux_bus *bus)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun probe(bus, 0x20);
34*4882a593Smuzhiyun probe(bus, 0x21);
35*4882a593Smuzhiyun }
36