/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright 2020 Toomas Soome * Copyright 2020 RackTop Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _GFX_FB_H #define _GFX_FB_H #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif #define EDID_MAGIC { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 } struct edid_header { uint8_t header[8]; /* fixed header pattern */ uint16_t manufacturer_id; uint16_t product_code; uint32_t serial_number; uint8_t week_of_manufacture; uint8_t year_of_manufacture; uint8_t version; uint8_t revision; }; struct edid_basic_display_parameters { uint8_t video_input_parameters; uint8_t max_horizontal_image_size; uint8_t max_vertical_image_size; uint8_t display_gamma; uint8_t supported_features; }; struct edid_chromaticity_coordinates { uint8_t red_green_lo; uint8_t blue_white_lo; uint8_t red_x_hi; uint8_t red_y_hi; uint8_t green_x_hi; uint8_t green_y_hi; uint8_t blue_x_hi; uint8_t blue_y_hi; uint8_t white_x_hi; uint8_t white_y_hi; }; struct edid_detailed_timings { uint16_t pixel_clock; uint8_t horizontal_active_lo; uint8_t horizontal_blanking_lo; uint8_t horizontal_hi; uint8_t vertical_active_lo; uint8_t vertical_blanking_lo; uint8_t vertical_hi; uint8_t horizontal_sync_offset_lo; uint8_t horizontal_sync_pulse_width_lo; uint8_t vertical_sync_lo; uint8_t sync_hi; uint8_t horizontal_image_size_lo; uint8_t vertical_image_size_lo; uint8_t image_size_hi; uint8_t horizontal_border; uint8_t vertical_border; uint8_t features; }; struct vesa_edid_info { struct edid_header header; struct edid_basic_display_parameters display; #define EDID_FEATURE_PREFERRED_TIMING_MODE (1 << 1) struct edid_chromaticity_coordinates chromaticity; uint8_t established_timings_1; uint8_t established_timings_2; uint8_t manufacturer_reserved_timings; uint16_t standard_timings[8]; struct edid_detailed_timings detailed_timings[4]; uint8_t number_of_extensions; uint8_t checksum; } __packed; extern struct vesa_edid_info *edid_info; #define STD_TIMINGS 8 #define DET_TIMINGS 4 #define HSIZE(x) (((x & 0xff) + 31) * 8) #define RATIO(x) ((x & 0xC000) >> 14) #define RATIO1_1 0 /* EDID Ver. 1.3 redefined this */ #define RATIO16_10 RATIO1_1 #define RATIO4_3 1 #define RATIO5_4 2 #define RATIO16_9 3 /* * Number of pixels and lines is 12-bit int, valid values 0-4095. */ #define EDID_MAX_PIXELS 4095 #define EDID_MAX_LINES 4095 #define GET_EDID_INFO_WIDTH(edid_info, timings_num) \ ((edid_info)->detailed_timings[(timings_num)].horizontal_active_lo | \ (((uint32_t)(edid_info)->detailed_timings[(timings_num)].horizontal_hi & \ 0xf0) << 4)) #define GET_EDID_INFO_HEIGHT(edid_info, timings_num) \ ((edid_info)->detailed_timings[(timings_num)].vertical_active_lo | \ (((uint32_t)(edid_info)->detailed_timings[(timings_num)].vertical_hi & \ 0xf0) << 4)) struct resolution { uint32_t width; uint32_t height; TAILQ_ENTRY(resolution) next; }; typedef TAILQ_HEAD(edid_resolution, resolution) edid_res_list_t; struct vesa_flat_panel_info { uint16_t HSize; /* Horizontal Size in Pixels */ uint16_t VSize; /* Vertical Size in Lines */ uint16_t FPType; /* Flat Panel Type */ uint8_t RedBPP; /* Red Bits Per Primary */ uint8_t GreenBPP; /* Green Bits Per Primary */ uint8_t BlueBPP; /* Blue Bits Per Primary */ uint8_t ReservedBPP; /* Reserved Bits Per Primary */ uint32_t RsvdOffScrnMemSize; /* Size in KB of Offscreen Memory */ uint32_t RsvdOffScrnMemPtr; /* Pointer to reserved offscreen memory */ uint8_t Reserved[14]; /* remainder of FPInfo */ } __packed; #define COLOR_FORMAT_VGA 0 #define COLOR_FORMAT_RGB 1 #define NCOLORS 16 #define NCMAP 256 extern uint32_t cmap[NCMAP]; /* * VT_FB_MAX_WIDTH and VT_FB_MAX_HEIGHT are dimensions from where * we will not auto select smaller font than 8x16. * See also sys/dev/vt/vt.h */ #ifndef VT_FB_MAX_WIDTH #define VT_FB_MAX_WIDTH 4096 #endif #ifndef VT_FB_MAX_HEIGHT #define VT_FB_MAX_HEIGHT 2400 #endif enum FB_TYPE { FB_TEXT = -1, FB_GOP, FB_UGA, FB_VBE }; enum COLOR_TYPE { CT_INDEXED, CT_RGB }; struct gen_fb { uint64_t fb_addr; uint64_t fb_size; uint32_t fb_height; uint32_t fb_width; uint32_t fb_stride; uint32_t fb_mask_red; uint32_t fb_mask_green; uint32_t fb_mask_blue; uint32_t fb_mask_reserved; uint32_t fb_bpp; }; typedef struct teken_gfx { enum FB_TYPE tg_fb_type; enum COLOR_TYPE tg_ctype; unsigned tg_mode; teken_t tg_teken; /* Teken core */ teken_pos_t tg_cursor; /* Where cursor was drawn */ bool tg_cursor_visible; teken_pos_t tg_tp; /* Terminal dimensions */ teken_pos_t tg_origin; /* Point of origin in pixels */ uint8_t *tg_glyph; /* Memory for glyph */ size_t tg_glyph_size; struct vt_font tg_font; struct gen_fb tg_fb; uint32_t *tg_shadow_fb; /* units of 4 bytes */ size_t tg_shadow_sz; /* units of pages */ teken_funcs_t *tg_functions; void *tg_private; } teken_gfx_t; extern font_list_t fonts; extern teken_gfx_t gfx_state; typedef enum { GfxFbBltVideoFill, GfxFbBltVideoToBltBuffer, GfxFbBltBufferToVideo, GfxFbBltVideoToVideo, GfxFbBltOperationMax, } GFXFB_BLT_OPERATION; int gfxfb_blt(void *, GFXFB_BLT_OPERATION, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); int generate_cons_palette(uint32_t *, int, uint32_t, int, uint32_t, int, uint32_t, int); bool console_update_mode(bool); void setup_font(teken_gfx_t *, teken_unit_t, teken_unit_t); uint8_t *font_lookup(const struct vt_font *, teken_char_t, const teken_attr_t *); void bios_text_font(bool); /* teken callbacks. */ tf_cursor_t gfx_fb_cursor; tf_putchar_t gfx_fb_putchar; tf_fill_t gfx_fb_fill; tf_copy_t gfx_fb_copy; tf_param_t gfx_fb_param; /* Screen buffer element */ struct text_pixel { teken_char_t c; teken_attr_t a; }; extern const int cons_to_vga_colors[NCOLORS]; /* Screen buffer to track changes on the terminal screen. */ extern struct text_pixel *screen_buffer; bool is_same_pixel(struct text_pixel *, struct text_pixel *); bool gfx_get_edid_resolution(struct vesa_edid_info *, edid_res_list_t *); void gfx_framework_init(void); void gfx_fb_cons_display(uint32_t, uint32_t, uint32_t, uint32_t, void *); void gfx_fb_setpixel(uint32_t, uint32_t); void gfx_fb_drawrect(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); void gfx_term_drawrect(uint32_t, uint32_t, uint32_t, uint32_t); void gfx_fb_line(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); void gfx_fb_bezier(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); #define FL_PUTIMAGE_BORDER 0x1 #define FL_PUTIMAGE_NOSCROLL 0x2 #define FL_PUTIMAGE_DEBUG 0x80 int gfx_fb_putimage(png_t *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); bool gfx_parse_mode_str(char *, int *, int *, int *); void term_image_display(teken_gfx_t *, const teken_rect_t *); void reset_font_flags(void); void gfx_interp_ref(void); #ifdef __cplusplus } #endif #endif /* _GFX_FB_H */