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 #include <edid.h> 9 10 #ifndef CONFIG_SYS_DEFAULT_VIDEO_MODE 11 #define CONFIG_SYS_DEFAULT_VIDEO_MODE 0x301 12 #endif 13 14 /* Some mode definitions */ 15 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ 16 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ 17 #define FB_SYNC_EXT 4 /* external sync */ 18 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ 19 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */ 20 /* vtotal = 144d/288n/576i => PAL */ 21 /* vtotal = 121d/242n/484i => NTSC */ 22 #define FB_SYNC_ON_GREEN 32 /* sync on green */ 23 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ 24 #define FB_VMODE_INTERLACED 1 /* interlaced */ 25 #define FB_VMODE_DOUBLE 2 /* double scan */ 26 #define FB_VMODE_MASK 255 27 28 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ 29 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ 30 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ 31 32 33 /****************************************************************** 34 * Resolution Struct 35 ******************************************************************/ 36 struct ctfb_res_modes { 37 int xres; /* visible resolution */ 38 int yres; 39 int refresh; /* vertical refresh rate in hz */ 40 /* Timing: All values in pixclocks, except pixclock (of course) */ 41 int pixclock; /* pixel clock in ps (pico seconds) */ 42 int pixclock_khz; /* pixel clock in kHz */ 43 int left_margin; /* time from sync to picture */ 44 int right_margin; /* time from picture to sync */ 45 int upper_margin; /* time from sync to picture */ 46 int lower_margin; 47 int hsync_len; /* length of horizontal sync */ 48 int vsync_len; /* length of vertical sync */ 49 int sync; /* see FB_SYNC_* */ 50 int vmode; /* see FB_VMODE_* */ 51 }; 52 53 /****************************************************************** 54 * Vesa Mode Struct 55 ******************************************************************/ 56 struct ctfb_vesa_modes { 57 int vesanr; /* Vesa number as in LILO (VESA Nr + 0x200} */ 58 int resindex; /* index to resolution struct */ 59 int bits_per_pixel; /* bpp */ 60 }; 61 62 #define RES_MODE_640x480 0 63 #define RES_MODE_800x600 1 64 #define RES_MODE_1024x768 2 65 #define RES_MODE_960_720 3 66 #define RES_MODE_1152x864 4 67 #define RES_MODE_1280x1024 5 68 #define RES_MODE_1280x720 6 69 #define RES_MODE_1360x768 7 70 #define RES_MODE_1920x1080 8 71 #define RES_MODE_1920x1200 9 72 #define RES_MODES_COUNT 10 73 74 #define VESA_MODES_COUNT 19 75 76 extern const struct ctfb_vesa_modes vesa_modes[]; 77 extern const struct ctfb_res_modes res_mode_init[]; 78 79 int video_get_params (struct ctfb_res_modes *pPar, char *penv); 80 81 int video_get_video_mode(unsigned int *xres, unsigned int *yres, 82 unsigned int *depth, unsigned int *freq, const char **options); 83 84 void video_get_ctfb_res_modes(int default_mode, unsigned int default_depth, 85 const struct ctfb_res_modes **mode_ret, 86 unsigned int *depth_ret, 87 const char **options); 88 89 void video_get_option_string(const char *options, const char *name, 90 char *dest, int dest_len, const char *def); 91 92 int video_get_option_int(const char *options, const char *name, int def); 93 94 int video_edid_dtd_to_ctfb_res_modes(struct edid_detailed_timing *t, 95 struct ctfb_res_modes *mode); 96