/* $OpenBSD: rasops.h,v 1.26 2023/02/03 18:32:31 miod Exp $ */ /* $NetBSD: rasops.h,v 1.13 2000/06/13 13:36:54 ad Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Andrew Doran. * * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 _RASOPS_H_ #define _RASOPS_H_ 1 #include <sys/task.h> #ifdef SMALL_KERNEL #define RASOPS_SMALL #endif #include "rasops_glue.h" struct wsdisplay_font; /* For rasops_info::ri_flg */ #define RI_FULLCLEAR 0x0001 /* eraserows() hack to clear full screen */ #define RI_FORCEMONO 0x0002 /* monochrome output even if we can do color */ #define RI_BSWAP 0x0004 /* framebuffer endianness doesn't match CPU */ #define RI_CURSOR 0x0008 /* cursor is switched on */ #define RI_CLEAR 0x0010 /* clear display on startup */ #define RI_CLEARMARGINS 0x0020 /* clear display margins on startup */ #define RI_CENTER 0x0040 /* center onscreen output */ #define RI_CURSORCLIP 0x0080 /* cursor is currently clipped */ #define RI_ROTATE_CW 0x0100 /* display is rotated, 90 deg clockwise */ #define RI_ROTATE_CCW 0x0200 /* display is rotated, 90 deg anti-clockwise */ #define RI_CFGDONE 0x0400 /* rasops_reconfig() completed successfully */ #define RI_VCONS 0x0800 /* virtual consoles */ #define RI_WRONLY 0x1000 /* avoid framebuffer reads */ struct rasops_screen; struct rasops_info { /* These must be filled in by the caller */ int ri_depth; /* depth in bits */ u_char *ri_bits; /* ptr to bits */ int ri_width; /* width (pels) */ int ri_height; /* height (pels) */ int ri_stride; /* stride in bytes */ /* * These can optionally be left zeroed out. If you fill ri_font, * but aren't using wsfont, set ri_wsfcookie to -1. */ struct wsdisplay_font *ri_font; int ri_wsfcookie; /* wsfont cookie */ void *ri_hw; /* driver private data; ignored by rasops */ struct wsdisplay_charcell *ri_bs; /* character backing store */ int ri_crow; /* cursor row */ int ri_ccol; /* cursor column */ int ri_flg; /* various operational flags */ /* * These are optional and will default if zero. Meaningless * on depths other than 15, 16, 24 and 32 bits per pel. On * 24 bit displays, ri_{r,g,b}num must be 8. */ u_char ri_rnum; /* number of bits for red */ u_char ri_gnum; /* number of bits for green */ u_char ri_bnum; /* number of bits for blue */ u_char ri_rpos; /* which bit red starts at */ u_char ri_gpos; /* which bit green starts at */ u_char ri_bpos; /* which bit blue starts at */ /* These are filled in by rasops_init() */ int ri_emuwidth; /* width we actually care about */ int ri_emuheight; /* height we actually care about */ int ri_emustride; /* bytes per row we actually care about */ int ri_rows; /* number of rows (characters, not pels) */ int ri_cols; /* number of columns (characters, not pels) */ int ri_delta; /* row delta in bytes */ int ri_pelbytes; /* bytes per pel (may be zero) */ int ri_fontscale; /* fontheight * fontstride */ int ri_xscale; /* fontwidth * pelbytes */ int ri_yscale; /* fontheight * stride */ u_char *ri_origbits; /* where screen bits actually start */ int ri_xorigin; /* where ri_bits begins (x) */ int ri_yorigin; /* where ri_bits begins (y) */ int32_t ri_devcmap[16]; /* color -> framebuffer data */ /* The emulops you need to use, and the screen caps for wscons */ struct wsdisplay_emulops ri_ops; int ri_caps; /* Callbacks so we can share some code */ int (*ri_do_cursor)(struct rasops_info *); void (*ri_updatecursor)(struct rasops_info *); #if NRASOPS_ROTATION > 0 /* Used to intercept putchar to permit display rotation */ struct wsdisplay_emulops ri_real_ops; #endif int ri_nscreens; LIST_HEAD(, rasops_screen) ri_screens; struct rasops_screen *ri_active; void (*ri_switchcb)(void *, int, int); void *ri_switchcbarg; void *ri_switchcookie; struct task ri_switchtask; int (*ri_putchar)(void *, int, int, u_int, uint32_t); int (*ri_copycols)(void *, int, int, int, int); int (*ri_erasecols)(void *, int, int, int, uint32_t); int (*ri_copyrows)(void *, int, int, int); int (*ri_eraserows)(void *, int, int, uint32_t); int (*ri_pack_attr)(void *, int, int, int, uint32_t *); }; #define DELTA(p, d, cast) ((p) = (cast)((caddr_t)(p) + (d))) /* * rasops_init(). * * Integer parameters are the number of rows and columns we'd *like*. * * In terms of optimization, fonts that are a multiple of 8 pixels wide * work the best. * * rasops_init() takes care of rasops_reconfig(). The parameters to both * are the same. If calling rasops_reconfig() to change the font and * ri_wsfcookie >= 0, you must call wsfont_unlock() on it, and reset it * to -1 (or a new, valid cookie). */ /* * Per-depth initialization functions. These should not be called outside * the rasops code. */ void rasops1_init(struct rasops_info *); void rasops4_init(struct rasops_info *); void rasops8_init(struct rasops_info *); void rasops15_init(struct rasops_info *); void rasops24_init(struct rasops_info *); void rasops32_init(struct rasops_info *); /* rasops.c */ int rasops_init(struct rasops_info *, int, int); int rasops_reconfig(struct rasops_info *, int, int); int rasops_eraserows(void *, int, int, uint32_t); int rasops_erasecols(void *, int, int, int, uint32_t); int rasops_alloc_screen(void *, void **, int *, int *, uint32_t *); void rasops_free_screen(void *, void *); int rasops_show_screen(void *, void *, int, void (*)(void *, int, int), void *); int rasops_load_font(void *, void *, struct wsdisplay_font *); int rasops_list_font(void *, struct wsdisplay_font *); int rasops_getchar(void *, int, int, struct wsdisplay_charcell *); void rasops_scrollback(void *, void *, int); void rasops_claim_framebuffer(paddr_t, psize_t, struct device *); int rasops_check_framebuffer(paddr_t); extern const u_char rasops_cmap[256*3]; #endif /* _RASOPS_H_ */
