/*-
* 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.
*
* $FreeBSD$
*/
#ifndef _GFX_FB_H
#define _GFX_FB_H
#include <sys/font.h>
#include <teken.h>
#include <stdbool.h>
#include <machine/metadata.h>
#include <pnglite.h>
#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;
#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];
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;
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);
#ifdef __cplusplus
}
#endif
#endif /* _GFX_FB_H */
