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      1 /*	$NetBSD: diofbvar.h,v 1.5 2024/05/01 19:28:33 tsutsui Exp $	*/
      2 /*	$OpenBSD: diofbvar.h,v 1.10 2006/08/11 18:33:13 miod Exp $	*/
      3 
      4 /*
      5  * Copyright (c) 2005, Miodrag Vallat
      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 ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     25  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 /*
     29  * Copyright (c) 1988 University of Utah.
     30  * Copyright (c) 1990, 1993
     31  *	The Regents of the University of California.  All rights reserved.
     32  *
     33  * This code is derived from software contributed to Berkeley by
     34  * the Systems Programming Group of the University of Utah Computer
     35  * Science Department.
     36  *
     37  * Redistribution and use in source and binary forms, with or without
     38  * modification, are permitted provided that the following conditions
     39  * are met:
     40  * 1. Redistributions of source code must retain the above copyright
     41  *    notice, this list of conditions and the following disclaimer.
     42  * 2. Redistributions in binary form must reproduce the above copyright
     43  *    notice, this list of conditions and the following disclaimer in the
     44  *    documentation and/or other materials provided with the distribution.
     45  * 3. Neither the name of the University nor the names of its contributors
     46  *    may be used to endorse or promote products derived from this software
     47  *    without specific prior written permission.
     48  *
     49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     59  * SUCH DAMAGE.
     60  *
     61  * from: Utah $Hdr: grfvar.h 1.11 93/08/13$
     62  *
     63  *	@(#)grfvar.h	8.2 (Berkeley) 9/9/93
     64  */
     65 
     66 #ifdef	_KERNEL
     67 
     68 struct diocmap {
     69 	uint8_t r[256], g[256], b[256];
     70 };
     71 
     72 /*
     73  * Minimal frame buffer state structure.
     74  */
     75 struct diofb {
     76 	uint8_t *regkva;		/* KVA of registers */
     77 	uint8_t *fbkva;			/* KVA of framebuffer */
     78 
     79 	uint8_t	*regaddr;		/* control registers physaddr */
     80 	uint8_t	*fbaddr;		/* frame buffer physaddr */
     81 
     82 	u_int	fbsize;			/* frame buffer size */
     83 	u_int	fbwidth;		/* frame buffer width */
     84 	u_int	fbheight;		/* frame buffer height */
     85 	u_int	dwidth;			/* displayed part width */
     86 	u_int	dheight;		/* displayed part height */
     87 
     88 	u_int	planes;			/* number of planes */
     89 	u_int	planemask;		/* and related mask */
     90 
     91 	/* rasops information */
     92 	struct rasops_info ri;
     93 
     94 	/* color information */
     95 	struct diocmap cmap;
     96 
     97 	/* wsdisplay information */
     98 	char wsdname[32];
     99 	struct wsscreen_descr wsd;
    100 	struct wsscreen_list wsl;
    101 	struct wsscreen_descr *scrlist[1];
    102 	int	nscreens;
    103 	u_int	mapmode;
    104 
    105 	/* blockmove routine */
    106 	int	(*bmv)(struct diofb *, uint16_t, uint16_t, uint16_t,
    107 		    uint16_t, uint16_t, uint16_t, int16_t, int16_t);
    108 
    109 	/* putchar routine to handle rasops; MD busywait might be required */
    110 	void	(*wsputchar)(void *, int, int, u_int, long);
    111 };
    112 
    113 /* Replacement Rules (rops) */
    114 #define	RR_CLEAR		0x0
    115 #define	RR_COPY			0x3
    116 #define	RR_XOR			0x6
    117 #define	RR_INVERT		0xa
    118 #define	RR_COPYINVERTED		0xc
    119 
    120 void	diofb_cnattach(struct diofb *);
    121 void	diofb_end_attach(device_t, struct wsdisplay_accessops *, struct diofb *,
    122 	    int, const char *);
    123 int	diofb_fbinquire(struct diofb *, int, struct diofbreg *);
    124 void	diofb_fbsetup(struct diofb *);
    125 int	diofb_getcmap(struct diofb *, struct wsdisplay_cmap *);
    126 void	diofb_resetcmap(struct diofb *);
    127 
    128 int	diofb_alloc_attr(void *, int, int, int, long *);
    129 int	diofb_alloc_screen(void *, const struct wsscreen_descr *, void **,
    130 	    int *, int *, long *);
    131 void	diofb_free_screen(void *, void *);
    132 paddr_t	diofb_mmap(void *, void *, off_t, int);
    133 int	diofb_show_screen(void *, void *, int, void (*)(void *, int, int),
    134 	    void *);
    135 
    136 int	diofb_mono_windowmove(struct diofb *, uint16_t, uint16_t, uint16_t,
    137 	    uint16_t, uint16_t, uint16_t, int16_t, int16_t);
    138 
    139 /* Console support */
    140 int	dvboxcnattach(bus_space_tag_t, bus_addr_t, int);
    141 int	gboxcnattach(bus_space_tag_t, bus_addr_t, int);
    142 int	hypercnattach(bus_space_tag_t, bus_addr_t, int);
    143 int	rboxcnattach(bus_space_tag_t, bus_addr_t, int);
    144 int	topcatcnattach(bus_space_tag_t, bus_addr_t, int);
    145 int	tvrxcnattach(bus_space_tag_t, bus_addr_t, int);
    146 int	gendiofbcnattach(bus_space_tag_t, bus_addr_t, int);
    147 extern	struct diofb diofb_cn;		/* struct diofb for console device */
    148 
    149 #endif
    150 
    151 /*
    152  * In mapped mode, mmap() will provide the following layout:
    153  * 0 - (DIOFB_REGSPACE - 1)	frame buffer registers
    154  * DIOFB_REGSPACE onwards	frame buffer memory
    155  */
    156 #define	DIOFB_REGSPACE	0x020000
    157