1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright 2020 Toomas Soome 5 * Copyright 2020 RackTop Systems, Inc. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _GFX_FB_H 32 #define _GFX_FB_H 33 34 #include <sys/font.h> 35 #include <teken.h> 36 #include <stdbool.h> 37 #include <machine/metadata.h> 38 #include <pnglite.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 #define EDID_MAGIC { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 } 45 46 struct edid_header { 47 uint8_t header[8]; /* fixed header pattern */ 48 uint16_t manufacturer_id; 49 uint16_t product_code; 50 uint32_t serial_number; 51 uint8_t week_of_manufacture; 52 uint8_t year_of_manufacture; 53 uint8_t version; 54 uint8_t revision; 55 }; 56 57 struct edid_basic_display_parameters { 58 uint8_t video_input_parameters; 59 uint8_t max_horizontal_image_size; 60 uint8_t max_vertical_image_size; 61 uint8_t display_gamma; 62 uint8_t supported_features; 63 }; 64 65 struct edid_chromaticity_coordinates { 66 uint8_t red_green_lo; 67 uint8_t blue_white_lo; 68 uint8_t red_x_hi; 69 uint8_t red_y_hi; 70 uint8_t green_x_hi; 71 uint8_t green_y_hi; 72 uint8_t blue_x_hi; 73 uint8_t blue_y_hi; 74 uint8_t white_x_hi; 75 uint8_t white_y_hi; 76 }; 77 78 struct edid_detailed_timings { 79 uint16_t pixel_clock; 80 uint8_t horizontal_active_lo; 81 uint8_t horizontal_blanking_lo; 82 uint8_t horizontal_hi; 83 uint8_t vertical_active_lo; 84 uint8_t vertical_blanking_lo; 85 uint8_t vertical_hi; 86 uint8_t horizontal_sync_offset_lo; 87 uint8_t horizontal_sync_pulse_width_lo; 88 uint8_t vertical_sync_lo; 89 uint8_t sync_hi; 90 uint8_t horizontal_image_size_lo; 91 uint8_t vertical_image_size_lo; 92 uint8_t image_size_hi; 93 uint8_t horizontal_border; 94 uint8_t vertical_border; 95 uint8_t features; 96 }; 97 98 struct vesa_edid_info { 99 struct edid_header header; 100 struct edid_basic_display_parameters display; 101 #define EDID_FEATURE_PREFERRED_TIMING_MODE (1 << 1) 102 struct edid_chromaticity_coordinates chromaticity; 103 uint8_t established_timings_1; 104 uint8_t established_timings_2; 105 uint8_t manufacturer_reserved_timings; 106 uint16_t standard_timings[8]; 107 struct edid_detailed_timings detailed_timings[4]; 108 uint8_t number_of_extensions; 109 uint8_t checksum; 110 } __packed; 111 112 #define STD_TIMINGS 8 113 #define DET_TIMINGS 4 114 115 #define HSIZE(x) (((x & 0xff) + 31) * 8) 116 #define RATIO(x) ((x & 0xC000) >> 14) 117 #define RATIO1_1 0 118 /* EDID Ver. 1.3 redefined this */ 119 #define RATIO16_10 RATIO1_1 120 #define RATIO4_3 1 121 #define RATIO5_4 2 122 #define RATIO16_9 3 123 124 /* 125 * Number of pixels and lines is 12-bit int, valid values 0-4095. 126 */ 127 #define EDID_MAX_PIXELS 4095 128 #define EDID_MAX_LINES 4095 129 130 #define GET_EDID_INFO_WIDTH(edid_info, timings_num) \ 131 ((edid_info)->detailed_timings[(timings_num)].horizontal_active_lo | \ 132 (((uint32_t)(edid_info)->detailed_timings[(timings_num)].horizontal_hi & \ 133 0xf0) << 4)) 134 135 #define GET_EDID_INFO_HEIGHT(edid_info, timings_num) \ 136 ((edid_info)->detailed_timings[(timings_num)].vertical_active_lo | \ 137 (((uint32_t)(edid_info)->detailed_timings[(timings_num)].vertical_hi & \ 138 0xf0) << 4)) 139 140 struct resolution { 141 uint32_t width; 142 uint32_t height; 143 TAILQ_ENTRY(resolution) next; 144 }; 145 146 typedef TAILQ_HEAD(edid_resolution, resolution) edid_res_list_t; 147 148 struct vesa_flat_panel_info { 149 uint16_t HSize; /* Horizontal Size in Pixels */ 150 uint16_t VSize; /* Vertical Size in Lines */ 151 uint16_t FPType; /* Flat Panel Type */ 152 uint8_t RedBPP; /* Red Bits Per Primary */ 153 uint8_t GreenBPP; /* Green Bits Per Primary */ 154 uint8_t BlueBPP; /* Blue Bits Per Primary */ 155 uint8_t ReservedBPP; /* Reserved Bits Per Primary */ 156 uint32_t RsvdOffScrnMemSize; /* Size in KB of Offscreen Memory */ 157 uint32_t RsvdOffScrnMemPtr; /* Pointer to reserved offscreen memory */ 158 uint8_t Reserved[14]; /* remainder of FPInfo */ 159 } __packed; 160 161 #define COLOR_FORMAT_VGA 0 162 #define COLOR_FORMAT_RGB 1 163 #define NCOLORS 16 164 #define NCMAP 256 165 extern uint32_t cmap[NCMAP]; 166 167 enum FB_TYPE { 168 FB_TEXT = -1, 169 FB_GOP, 170 FB_UGA, 171 FB_VBE 172 }; 173 174 enum COLOR_TYPE { 175 CT_INDEXED, 176 CT_RGB 177 }; 178 179 struct gen_fb { 180 uint64_t fb_addr; 181 uint64_t fb_size; 182 uint32_t fb_height; 183 uint32_t fb_width; 184 uint32_t fb_stride; 185 uint32_t fb_mask_red; 186 uint32_t fb_mask_green; 187 uint32_t fb_mask_blue; 188 uint32_t fb_mask_reserved; 189 uint32_t fb_bpp; 190 }; 191 192 typedef struct teken_gfx { 193 enum FB_TYPE tg_fb_type; 194 enum COLOR_TYPE tg_ctype; 195 unsigned tg_mode; 196 teken_t tg_teken; /* Teken core */ 197 teken_pos_t tg_cursor; /* Where cursor was drawn */ 198 bool tg_cursor_visible; 199 teken_pos_t tg_tp; /* Terminal dimensions */ 200 teken_pos_t tg_origin; /* Point of origin in pixels */ 201 uint8_t *tg_glyph; /* Memory for glyph */ 202 size_t tg_glyph_size; 203 struct vt_font tg_font; 204 struct gen_fb tg_fb; 205 teken_funcs_t *tg_functions; 206 void *tg_private; 207 } teken_gfx_t; 208 209 extern font_list_t fonts; 210 extern teken_gfx_t gfx_state; 211 212 typedef enum { 213 GfxFbBltVideoFill, 214 GfxFbBltVideoToBltBuffer, 215 GfxFbBltBufferToVideo, 216 GfxFbBltVideoToVideo, 217 GfxFbBltOperationMax, 218 } GFXFB_BLT_OPERATION; 219 220 int gfxfb_blt(void *, GFXFB_BLT_OPERATION, uint32_t, uint32_t, 221 uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 222 223 int generate_cons_palette(uint32_t *, int, uint32_t, int, uint32_t, int, 224 uint32_t, int); 225 bool console_update_mode(bool); 226 void setup_font(teken_gfx_t *, teken_unit_t, teken_unit_t); 227 uint8_t *font_lookup(const struct vt_font *, teken_char_t, 228 const teken_attr_t *); 229 void bios_text_font(bool); 230 231 /* teken callbacks. */ 232 tf_cursor_t gfx_fb_cursor; 233 tf_putchar_t gfx_fb_putchar; 234 tf_fill_t gfx_fb_fill; 235 tf_copy_t gfx_fb_copy; 236 tf_param_t gfx_fb_param; 237 238 /* Screen buffer element */ 239 struct text_pixel { 240 teken_char_t c; 241 teken_attr_t a; 242 }; 243 244 extern const int cons_to_vga_colors[NCOLORS]; 245 246 /* Screen buffer to track changes on the terminal screen. */ 247 extern struct text_pixel *screen_buffer; 248 bool is_same_pixel(struct text_pixel *, struct text_pixel *); 249 250 bool gfx_get_edid_resolution(struct vesa_edid_info *, edid_res_list_t *); 251 void gfx_framework_init(void); 252 void gfx_fb_cons_display(uint32_t, uint32_t, uint32_t, uint32_t, void *); 253 void gfx_fb_setpixel(uint32_t, uint32_t); 254 void gfx_fb_drawrect(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 255 void gfx_term_drawrect(uint32_t, uint32_t, uint32_t, uint32_t); 256 void gfx_fb_line(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 257 void gfx_fb_bezier(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, 258 uint32_t); 259 260 #define FL_PUTIMAGE_BORDER 0x1 261 #define FL_PUTIMAGE_NOSCROLL 0x2 262 #define FL_PUTIMAGE_DEBUG 0x80 263 264 int gfx_fb_putimage(png_t *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 265 bool gfx_parse_mode_str(char *, int *, int *, int *); 266 void term_image_display(teken_gfx_t *, const teken_rect_t *); 267 268 void reset_font_flags(void); 269 270 #ifdef __cplusplus 271 } 272 #endif 273 274 #endif /* _GFX_FB_H */ 275