1/*
2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22#ifndef __DVI_H__
23#define __DVI_H__
24
25/*Definition TMDS Device ID register*/
26#define     VT1632_DEVICE_ID_REG        0x02
27#define     VT1632_DEVICE_ID            0x92
28
29#define     GET_DVI_SIZE_BY_SYSTEM_BIOS     0x01
30#define     GET_DVI_SIZE_BY_VGA_BIOS        0x02
31#define     GET_DVI_SZIE_BY_HW_STRAPPING    0x03
32
33/* Definition DVI Panel ID*/
34/* Resolution: 640x480,   Channel: single, Dithering: Enable */
35#define     DVI_PANEL_ID0_640X480       0x00
36/* Resolution: 800x600,   Channel: single, Dithering: Enable */
37#define     DVI_PANEL_ID1_800x600       0x01
38/* Resolution: 1024x768,  Channel: single, Dithering: Enable */
39#define     DVI_PANEL_ID1_1024x768      0x02
40/* Resolution: 1280x768,  Channel: single, Dithering: Enable */
41#define     DVI_PANEL_ID1_1280x768      0x03
42/* Resolution: 1280x1024, Channel: dual,   Dithering: Enable */
43#define     DVI_PANEL_ID1_1280x1024     0x04
44/* Resolution: 1400x1050, Channel: dual,   Dithering: Enable */
45#define     DVI_PANEL_ID1_1400x1050     0x05
46/* Resolution: 1600x1200, Channel: dual,   Dithering: Enable */
47#define     DVI_PANEL_ID1_1600x1200     0x06
48
49/* Define the version of EDID*/
50#define     EDID_VERSION_1      1
51#define     EDID_VERSION_2      2
52
53#define     DEV_CONNECT_DVI     0x01
54#define     DEV_CONNECT_HDMI    0x02
55
56int viafb_dvi_sense(void);
57void viafb_dvi_disable(void);
58void viafb_dvi_enable(void);
59bool viafb_tmds_trasmitter_identify(void);
60void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
61	struct tmds_setting_information *tmds_setting);
62void viafb_dvi_set_mode(const struct fb_var_screeninfo *var,
63	u16 cxres, u16 cyres, int iga);
64
65#endif /* __DVI_H__ */
66