1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * Pierre Aubert, Staubli Faverges , <p.aubert@staubli.com>
9 #ifndef CONFIG_SYS_DEFAULT_VIDEO_MODE
10 #define CONFIG_SYS_DEFAULT_VIDEO_MODE 0x301
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
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 */
32 /******************************************************************
34 ******************************************************************/
35 struct ctfb_res_modes {
36 int xres; /* visible resolution */
38 int refresh; /* vertical refresh rate in hz */
39 /* Timing: All values in pixclocks, except pixclock (of course) */
40 int pixclock; /* pixel clock in ps (pico seconds) */
41 int pixclock_khz; /* pixel clock in kHz */
42 int left_margin; /* time from sync to picture */
43 int right_margin; /* time from picture to sync */
44 int upper_margin; /* time from sync to picture */
46 int hsync_len; /* length of horizontal sync */
47 int vsync_len; /* length of vertical sync */
48 int sync; /* see FB_SYNC_* */
49 int vmode; /* see FB_VMODE_* */
52 /******************************************************************
54 ******************************************************************/
55 struct ctfb_vesa_modes {
56 int vesanr; /* Vesa number as in LILO (VESA Nr + 0x200} */
57 int resindex; /* index to resolution struct */
58 int bits_per_pixel; /* bpp */
61 #define RES_MODE_640x480 0
62 #define RES_MODE_800x600 1
63 #define RES_MODE_1024x768 2
64 #define RES_MODE_960_720 3
65 #define RES_MODE_1152x864 4
66 #define RES_MODE_1280x1024 5
67 #define RES_MODE_1280x720 6
68 #define RES_MODE_1360x768 7
69 #define RES_MODE_1920x1080 8
70 #define RES_MODE_1920x1200 9
71 #define RES_MODES_COUNT 10
73 #define VESA_MODES_COUNT 19
75 extern const struct ctfb_vesa_modes vesa_modes[];
76 extern const struct ctfb_res_modes res_mode_init[];
78 int video_get_params (struct ctfb_res_modes *pPar, char *penv);
80 int video_get_video_mode(unsigned int *xres, unsigned int *yres,
81 unsigned int *depth, unsigned int *freq, const char **options);
83 void video_get_ctfb_res_modes(int default_mode, unsigned int default_depth,
84 const struct ctfb_res_modes **mode_ret,
85 unsigned int *depth_ret,
86 const char **options);
88 void video_get_option_string(const char *options, const char *name,
89 char *dest, int dest_len, const char *def);
91 int video_get_option_int(const char *options, const char *name, int def);
93 int video_edid_dtd_to_ctfb_res_modes(struct edid_detailed_timing *t,
94 struct ctfb_res_modes *mode);