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 29 #ifndef _GFX_FB_H 30 #define _GFX_FB_H 31 32 #include <sys/font.h> 33 #include <teken.h> 34 #include <stdbool.h> 35 #include <machine/metadata.h> 36 #include <pnglite.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #define EDID_MAGIC { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 } 43 44 struct edid_header { 45 uint8_t header[8]; /* fixed header pattern */ 46 uint16_t manufacturer_id; 47 uint16_t product_code; 48 uint32_t serial_number; 49 uint8_t week_of_manufacture; 50 uint8_t year_of_manufacture; 51 uint8_t version; 52 uint8_t revision; 53 }; 54 55 struct edid_basic_display_parameters { 56 uint8_t video_input_parameters; 57 uint8_t max_horizontal_image_size; 58 uint8_t max_vertical_image_size; 59 uint8_t display_gamma; 60 uint8_t supported_features; 61 }; 62 63 struct edid_chromaticity_coordinates { 64 uint8_t red_green_lo; 65 uint8_t blue_white_lo; 66 uint8_t red_x_hi; 67 uint8_t red_y_hi; 68 uint8_t green_x_hi; 69 uint8_t green_y_hi; 70 uint8_t blue_x_hi; 71 uint8_t blue_y_hi; 72 uint8_t white_x_hi; 73 uint8_t white_y_hi; 74 }; 75 76 struct edid_detailed_timings { 77 uint16_t pixel_clock; 78 uint8_t horizontal_active_lo; 79 uint8_t horizontal_blanking_lo; 80 uint8_t horizontal_hi; 81 uint8_t vertical_active_lo; 82 uint8_t vertical_blanking_lo; 83 uint8_t vertical_hi; 84 uint8_t horizontal_sync_offset_lo; 85 uint8_t horizontal_sync_pulse_width_lo; 86 uint8_t vertical_sync_lo; 87 uint8_t sync_hi; 88 uint8_t horizontal_image_size_lo; 89 uint8_t vertical_image_size_lo; 90 uint8_t image_size_hi; 91 uint8_t horizontal_border; 92 uint8_t vertical_border; 93 uint8_t features; 94 }; 95 96 struct vesa_edid_info { 97 struct edid_header header; 98 struct edid_basic_display_parameters display; 99 #define EDID_FEATURE_PREFERRED_TIMING_MODE (1 << 1) 100 struct edid_chromaticity_coordinates chromaticity; 101 uint8_t established_timings_1; 102 uint8_t established_timings_2; 103 uint8_t manufacturer_reserved_timings; 104 uint16_t standard_timings[8]; 105 struct edid_detailed_timings detailed_timings[4]; 106 uint8_t number_of_extensions; 107 uint8_t checksum; 108 } __packed; 109 110 extern struct vesa_edid_info *edid_info; 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 /* 168 * VT_FB_MAX_WIDTH and VT_FB_MAX_HEIGHT are dimensions from where 169 * we will not auto select smaller font than 8x16. 170 * See also sys/dev/vt/vt.h 171 */ 172 #ifndef VT_FB_MAX_WIDTH 173 #define VT_FB_MAX_WIDTH 4096 174 #endif 175 #ifndef VT_FB_MAX_HEIGHT 176 #define VT_FB_MAX_HEIGHT 2400 177 #endif 178 179 enum FB_TYPE { 180 FB_TEXT = -1, 181 FB_GOP, 182 FB_UGA, 183 FB_VBE 184 }; 185 186 enum COLOR_TYPE { 187 CT_INDEXED, 188 CT_RGB 189 }; 190 191 struct gen_fb { 192 uint64_t fb_addr; 193 uint64_t fb_size; 194 uint32_t fb_height; 195 uint32_t fb_width; 196 uint32_t fb_stride; 197 uint32_t fb_mask_red; 198 uint32_t fb_mask_green; 199 uint32_t fb_mask_blue; 200 uint32_t fb_mask_reserved; 201 uint32_t fb_bpp; 202 }; 203 204 typedef struct teken_gfx { 205 enum FB_TYPE tg_fb_type; 206 enum COLOR_TYPE tg_ctype; 207 unsigned tg_mode; 208 teken_t tg_teken; /* Teken core */ 209 teken_pos_t tg_cursor; /* Where cursor was drawn */ 210 bool tg_cursor_visible; 211 teken_pos_t tg_tp; /* Terminal dimensions */ 212 teken_pos_t tg_origin; /* Point of origin in pixels */ 213 uint8_t *tg_glyph; /* Memory for glyph */ 214 size_t tg_glyph_size; 215 struct vt_font tg_font; 216 struct gen_fb tg_fb; 217 uint32_t *tg_shadow_fb; /* units of 4 bytes */ 218 size_t tg_shadow_sz; /* units of pages */ 219 teken_funcs_t *tg_functions; 220 void *tg_private; 221 } teken_gfx_t; 222 223 extern font_list_t fonts; 224 extern teken_gfx_t gfx_state; 225 226 typedef enum { 227 GfxFbBltVideoFill, 228 GfxFbBltVideoToBltBuffer, 229 GfxFbBltBufferToVideo, 230 GfxFbBltVideoToVideo, 231 GfxFbBltOperationMax, 232 } GFXFB_BLT_OPERATION; 233 234 int gfxfb_blt(void *, GFXFB_BLT_OPERATION, uint32_t, uint32_t, 235 uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 236 237 int generate_cons_palette(uint32_t *, int, uint32_t, int, uint32_t, int, 238 uint32_t, int); 239 bool console_update_mode(bool); 240 void setup_font(teken_gfx_t *, teken_unit_t, teken_unit_t); 241 uint8_t *font_lookup(const struct vt_font *, teken_char_t, 242 const teken_attr_t *); 243 void bios_text_font(bool); 244 245 /* teken callbacks. */ 246 tf_cursor_t gfx_fb_cursor; 247 tf_putchar_t gfx_fb_putchar; 248 tf_fill_t gfx_fb_fill; 249 tf_copy_t gfx_fb_copy; 250 tf_param_t gfx_fb_param; 251 252 /* Screen buffer element */ 253 struct text_pixel { 254 teken_char_t c; 255 teken_attr_t a; 256 }; 257 258 extern const int cons_to_vga_colors[NCOLORS]; 259 260 /* Screen buffer to track changes on the terminal screen. */ 261 extern struct text_pixel *screen_buffer; 262 bool is_same_pixel(struct text_pixel *, struct text_pixel *); 263 264 bool gfx_get_edid_resolution(struct vesa_edid_info *, edid_res_list_t *); 265 void gfx_framework_init(void); 266 void gfx_fb_cons_display(uint32_t, uint32_t, uint32_t, uint32_t, void *); 267 void gfx_fb_setpixel(uint32_t, uint32_t); 268 void gfx_fb_drawrect(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 269 void gfx_term_drawrect(uint32_t, uint32_t, uint32_t, uint32_t); 270 void gfx_fb_line(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 271 void gfx_fb_bezier(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, 272 uint32_t); 273 274 #define FL_PUTIMAGE_BORDER 0x1 275 #define FL_PUTIMAGE_NOSCROLL 0x2 276 #define FL_PUTIMAGE_DEBUG 0x80 277 278 int gfx_fb_putimage(png_t *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 279 bool gfx_parse_mode_str(char *, int *, int *, int *); 280 void term_image_display(teken_gfx_t *, const teken_rect_t *); 281 282 void reset_font_flags(void); 283 284 void gfx_interp_ref(void); 285 286 #ifdef __cplusplus 287 } 288 #endif 289 290 #endif /* _GFX_FB_H */ 291