videomodes.h
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/*
* (C) Copyright 2004
* Pierre Aubert, Staubli Faverges , <p.aubert@staubli.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <edid.h>
#ifndef CONFIG_SYS_DEFAULT_VIDEO_MODE
#define CONFIG_SYS_DEFAULT_VIDEO_MODE 0x301
#endif
/* Some mode definitions */
#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
#define FB_SYNC_EXT 4 /* external sync */
#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
/* vtotal = 144d/288n/576i => PAL */
/* vtotal = 121d/242n/484i => NTSC */
#define FB_SYNC_ON_GREEN 32 /* sync on green */
#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
#define FB_VMODE_INTERLACED 1 /* interlaced */
#define FB_VMODE_DOUBLE 2 /* double scan */
#define FB_VMODE_MASK 255
#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
/******************************************************************
* Resolution Struct
******************************************************************/
struct ctfb_res_modes {
int xres; /* visible resolution */
int yres;
int refresh; /* vertical refresh rate in hz */
/* Timing: All values in pixclocks, except pixclock (of course) */
int pixclock; /* pixel clock in ps (pico seconds) */
int pixclock_khz; /* pixel clock in kHz */
int left_margin; /* time from sync to picture */
int right_margin; /* time from picture to sync */
int upper_margin; /* time from sync to picture */
int lower_margin;
int hsync_len; /* length of horizontal sync */
int vsync_len; /* length of vertical sync */
int sync; /* see FB_SYNC_* */
int vmode; /* see FB_VMODE_* */
};
/******************************************************************
* Vesa Mode Struct
******************************************************************/
struct ctfb_vesa_modes {
int vesanr; /* Vesa number as in LILO (VESA Nr + 0x200} */
int resindex; /* index to resolution struct */
int bits_per_pixel; /* bpp */
};
#define RES_MODE_640x480 0
#define RES_MODE_800x600 1
#define RES_MODE_1024x768 2
#define RES_MODE_960_720 3
#define RES_MODE_1152x864 4
#define RES_MODE_1280x1024 5
#define RES_MODE_1280x720 6
#define RES_MODE_1360x768 7
#define RES_MODE_1920x1080 8
#define RES_MODE_1920x1200 9
#define RES_MODES_COUNT 10
#define VESA_MODES_COUNT 19
extern const struct ctfb_vesa_modes vesa_modes[];
extern const struct ctfb_res_modes res_mode_init[];
int video_get_params (struct ctfb_res_modes *pPar, char *penv);
int video_get_video_mode(unsigned int *xres, unsigned int *yres,
unsigned int *depth, unsigned int *freq, const char **options);
void video_get_ctfb_res_modes(int default_mode, unsigned int default_depth,
const struct ctfb_res_modes **mode_ret,
unsigned int *depth_ret,
const char **options);
void video_get_option_string(const char *options, const char *name,
char *dest, int dest_len, const char *def);
int video_get_option_int(const char *options, const char *name, int def);
int video_edid_dtd_to_ctfb_res_modes(struct edid_detailed_timing *t,
struct ctfb_res_modes *mode);