xref: /openbmc/u-boot/drivers/video/videomodes.h (revision 415a613b)
1 /*
2  * (C) Copyright 2004
3  * Pierre Aubert, Staubli Faverges , <p.aubert@staubli.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 
25 #ifndef CFG_DEFAULT_VIDEO_MODE
26 #define CFG_DEFAULT_VIDEO_MODE	0x301
27 #endif
28 
29 /* Some mode definitions */
30 #define FB_SYNC_HOR_HIGH_ACT	1	/* horizontal sync high active	*/
31 #define FB_SYNC_VERT_HIGH_ACT	2	/* vertical sync high active	*/
32 #define FB_SYNC_EXT		4	/* external sync		*/
33 #define FB_SYNC_COMP_HIGH_ACT	8	/* composite sync high active	*/
34 #define FB_SYNC_BROADCAST	16	/* broadcast video timings	*/
35 					/* vtotal = 144d/288n/576i => PAL  */
36 					/* vtotal = 121d/242n/484i => NTSC */
37 #define FB_SYNC_ON_GREEN	32	/* sync on green */
38 #define FB_VMODE_NONINTERLACED	0	/* non interlaced */
39 #define FB_VMODE_INTERLACED	1	/* interlaced	*/
40 #define FB_VMODE_DOUBLE		2	/* double scan */
41 #define FB_VMODE_MASK		255
42 
43 #define FB_VMODE_YWRAP		256	/* ywrap instead of panning	*/
44 #define FB_VMODE_SMOOTH_XPAN	512	/* smooth xpan possible (internally used) */
45 #define FB_VMODE_CONUPDATE	512	/* don't update x/yoffset	*/
46 
47 
48 /******************************************************************
49  * Resolution Struct
50  ******************************************************************/
51 struct ctfb_res_modes {
52 	int xres;		/* visible resolution		*/
53 	int yres;
54 	/* Timing: All values in pixclocks, except pixclock (of course) */
55 	int pixclock;		/* pixel clock in ps (pico seconds) */
56 	int left_margin;	/* time from sync to picture	*/
57 	int right_margin;	/* time from picture to sync	*/
58 	int upper_margin;	/* time from sync to picture	*/
59 	int lower_margin;
60 	int hsync_len;		/* length of horizontal sync	*/
61 	int vsync_len;		/* length of vertical sync	*/
62 	int sync;		/* see FB_SYNC_*		*/
63 	int vmode;		/* see FB_VMODE_*		*/
64 };
65 
66 /******************************************************************
67  * Vesa Mode Struct
68  ******************************************************************/
69 struct ctfb_vesa_modes {
70 	int vesanr;		/* Vesa number as in LILO (VESA Nr + 0x200} */
71 	int resindex;		/* index to resolution struct */
72 	int bits_per_pixel;	/* bpp */
73 };
74 
75 #define RES_MODE_640x480	0
76 #define RES_MODE_800x600	1
77 #define RES_MODE_1024x768	2
78 #define RES_MODE_960_720	3
79 #define RES_MODE_1152x864	4
80 #define RES_MODE_1280x1024	5
81 #define RES_MODES_COUNT		6
82 
83 #define VESA_MODES_COUNT 19
84 
85 extern const struct ctfb_vesa_modes vesa_modes[];
86 extern const struct ctfb_res_modes res_mode_init[];
87 
88 int video_get_params (struct ctfb_res_modes *pPar, char *penv);
89