1 /* 2 * (C) Copyright 2004 3 * Pierre Aubert, Staubli Faverges , <p.aubert@staubli.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 9 #ifndef CONFIG_SYS_DEFAULT_VIDEO_MODE 10 #define CONFIG_SYS_DEFAULT_VIDEO_MODE 0x301 11 #endif 12 13 /* Some mode definitions */ 14 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ 15 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ 16 #define FB_SYNC_EXT 4 /* external sync */ 17 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ 18 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */ 19 /* vtotal = 144d/288n/576i => PAL */ 20 /* vtotal = 121d/242n/484i => NTSC */ 21 #define FB_SYNC_ON_GREEN 32 /* sync on green */ 22 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ 23 #define FB_VMODE_INTERLACED 1 /* interlaced */ 24 #define FB_VMODE_DOUBLE 2 /* double scan */ 25 #define FB_VMODE_MASK 255 26 27 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ 28 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ 29 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ 30 31 32 /****************************************************************** 33 * Resolution Struct 34 ******************************************************************/ 35 struct ctfb_res_modes { 36 int xres; /* visible resolution */ 37 int yres; 38 /* Timing: All values in pixclocks, except pixclock (of course) */ 39 int pixclock; /* pixel clock in ps (pico seconds) */ 40 int left_margin; /* time from sync to picture */ 41 int right_margin; /* time from picture to sync */ 42 int upper_margin; /* time from sync to picture */ 43 int lower_margin; 44 int hsync_len; /* length of horizontal sync */ 45 int vsync_len; /* length of vertical sync */ 46 int sync; /* see FB_SYNC_* */ 47 int vmode; /* see FB_VMODE_* */ 48 }; 49 50 /****************************************************************** 51 * Vesa Mode Struct 52 ******************************************************************/ 53 struct ctfb_vesa_modes { 54 int vesanr; /* Vesa number as in LILO (VESA Nr + 0x200} */ 55 int resindex; /* index to resolution struct */ 56 int bits_per_pixel; /* bpp */ 57 }; 58 59 #define RES_MODE_640x480 0 60 #define RES_MODE_800x600 1 61 #define RES_MODE_1024x768 2 62 #define RES_MODE_960_720 3 63 #define RES_MODE_1152x864 4 64 #define RES_MODE_1280x1024 5 65 #define RES_MODES_COUNT 6 66 67 #define VESA_MODES_COUNT 19 68 69 extern const struct ctfb_vesa_modes vesa_modes[]; 70 extern const struct ctfb_res_modes res_mode_init[]; 71 72 int video_get_params (struct ctfb_res_modes *pPar, char *penv); 73 74 int video_get_video_mode(unsigned int *xres, unsigned int *yres, 75 unsigned int *depth, unsigned int *freq, const char **options); 76