mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-19 00:18:51 +09:00
![Hans de Goede](/assets/img/avatar_default.png)
Add a video_edid_dtd_to_ctfb_res_modes helper function to convert an EDID detailed timing to a struct ctfb_res_modes. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Anatolij Gustschin <agust@denx.de>
96 lines
3.3 KiB
C
96 lines
3.3 KiB
C
/*
|
|
* (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);
|