diff options
Diffstat (limited to 'drivers/video/via/via_aux_sii164.c')
-rw-r--r-- | drivers/video/via/via_aux_sii164.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/video/via/via_aux_sii164.c b/drivers/video/via/via_aux_sii164.c new file mode 100644 index 000000000000..ca1b35f033b1 --- /dev/null +++ b/drivers/video/via/via_aux_sii164.c | |||
@@ -0,0 +1,54 @@ | |||
1 | /* | ||
2 | * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public | ||
6 | * License as published by the Free Software Foundation; | ||
7 | * either version 2, or (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even | ||
11 | * the implied warranty of MERCHANTABILITY or FITNESS FOR | ||
12 | * A PARTICULAR PURPOSE.See the GNU General Public License | ||
13 | * for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., | ||
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | /* | ||
21 | * driver for Silicon Image SiI 164 PanelLink Transmitter | ||
22 | */ | ||
23 | |||
24 | #include <linux/slab.h> | ||
25 | #include "via_aux.h" | ||
26 | |||
27 | |||
28 | static const char *name = "SiI 164 PanelLink Transmitter"; | ||
29 | |||
30 | |||
31 | static void probe(struct via_aux_bus *bus, u8 addr) | ||
32 | { | ||
33 | struct via_aux_drv drv = { | ||
34 | .bus = bus, | ||
35 | .addr = addr, | ||
36 | .name = name}; | ||
37 | /* check vendor id and device id */ | ||
38 | const u8 id[] = {0x01, 0x00, 0x06, 0x00}, len = ARRAY_SIZE(id); | ||
39 | u8 tmp[len]; | ||
40 | |||
41 | if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len)) | ||
42 | return; | ||
43 | |||
44 | printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr); | ||
45 | via_aux_add(&drv); | ||
46 | } | ||
47 | |||
48 | void via_aux_sii164_probe(struct via_aux_bus *bus) | ||
49 | { | ||
50 | u8 i; | ||
51 | |||
52 | for (i = 0x38; i <= 0x3F; i++) | ||
53 | probe(bus, i); | ||
54 | } | ||