usr/src/boot/sys/boot/common/gfx_fb.h

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * Copyright 2017 Toomas Soome <tsoome@me.com>
  14  */
  15
  16 #ifndef _GFX_FB_H
  17 #define _GFX_FB_H
  18
  19 #include <stdbool.h>
  20 #include <sys/visual_io.h>
  21 #include <sys/multiboot2.h>
  22 #include <pnglite.h>
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27
  28 #define EDID_MAGIC      { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 }
  29
  30 struct edid_header {
  31         uint8_t header[8];      /* fixed header pattern */
  32         uint16_t manufacturer_id;
  33         uint16_t product_code;
  34         uint32_t serial_number;
  35         uint8_t week_of_manufacture;
  36         uint8_t year_of_manufacture;
  37         uint8_t version;
  38         uint8_t revision;
  39 };
  40
  41 struct edid_basic_display_parameters {
  42         uint8_t video_input_parameters;
  43         uint8_t max_horizontal_image_size;
  44         uint8_t max_vertical_image_size;
  45         uint8_t display_gamma;
  46         uint8_t supported_features;
  47 };
  48
  49 struct edid_chromaticity_coordinates {
  50         uint8_t red_green_lo;
  51         uint8_t blue_white_lo;
  52         uint8_t red_x_hi;
  53         uint8_t red_y_hi;
  54         uint8_t green_x_hi;
  55         uint8_t green_y_hi;
  56         uint8_t blue_x_hi;
  57         uint8_t blue_y_hi;
  58         uint8_t white_x_hi;
  59         uint8_t white_y_hi;
  60 };
  61
  62 struct edid_detailed_timings {
  63         uint16_t pixel_clock;
  64         uint8_t horizontal_active_lo;
  65         uint8_t horizontal_blanking_lo;
  66         uint8_t horizontal_hi;
  67         uint8_t vertical_active_lo;
  68         uint8_t vertical_blanking_lo;
  69         uint8_t vertical_hi;
  70         uint8_t horizontal_sync_offset_lo;
  71         uint8_t horizontal_sync_pulse_width_lo;
  72         uint8_t vertical_sync_lo;
  73         uint8_t sync_hi;
  74         uint8_t horizontal_image_size_lo;
  75         uint8_t vertical_image_size_lo;
  76         uint8_t image_size_hi;
  77         uint8_t horizontal_border;
  78         uint8_t vertical_border;
  79         uint8_t features;
  80 };
  81
  82 struct vesa_edid_info {
  83         struct edid_header header;
  84         struct edid_basic_display_parameters display;
  85 #define EDID_FEATURE_PREFERRED_TIMING_MODE      (1 << 1)
  86         struct edid_chromaticity_coordinates chromaticity;
  87         uint8_t established_timings_1;
  88         uint8_t established_timings_2;
  89         uint8_t manufacturer_reserved_timings;
  90         uint16_t standard_timings[8];
  91         struct edid_detailed_timings detailed_timings[4];
  92         uint8_t number_of_extensions;
  93         uint8_t checksum;
  94 } __packed;
  95
  96 extern multiboot_tag_framebuffer_t gfx_fb;
  97
  98 void gfx_framework_init(struct visual_ops *);
  99 uint32_t gfx_fb_color_map(uint8_t);
 100 void gfx_fb_display_cursor(struct vis_conscursor *);
 101 void gfx_fb_setpixel(uint32_t, uint32_t);
 102 void gfx_fb_drawrect(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
 103 void gfx_term_drawrect(uint32_t, uint32_t, uint32_t, uint32_t);
 104 void gfx_fb_line(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
 105 void gfx_fb_bezier(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t,
 106         uint32_t);
 107 void plat_cons_update_mode(int);
 108 int gfx_fb_putimage(png_t *);
 109
 110 bool gfx_parse_mode_str(char *, int *, int *, int *);
 111 #ifdef  __cplusplus
 112 }
 113 #endif
 114
 115 #endif  /* _GFX_FB_H */