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/* $OpenBSD: diofbvar.h,v 1.4 2005/01/24 21:36:39 miod Exp $ */
/*
* Copyright (c) 2005, Miodrag Vallat
*
* 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 ``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 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.
*/
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*/
#ifdef _KERNEL
struct diocmap {
u_int8_t r[256], g[256], b[256];
};
/*
* Minimal frame buffer state structure.
*/
struct diofb {
caddr_t regkva; /* KVA of registers */
caddr_t fbkva; /* KVA of framebuffer */
caddr_t regaddr; /* control registers physaddr */
caddr_t fbaddr; /* frame buffer physaddr */
u_int fbsize; /* frame buffer size */
u_int fbwidth; /* frame buffer width */
u_int fbheight; /* frame buffer height */
u_int dwidth; /* displayed part width */
u_int dheight; /* displayed part height */
u_int planes; /* number of planes */
u_int planemask; /* and related mask */
/* rasops information */
struct rasops_info ri;
/* color information */
struct diocmap cmap;
/* wsdisplay information */
struct wsscreen_descr wsd;
int nscreens;
u_int mapmode;
/* blockmove routine */
void (*bmv)(struct diofb *, u_int16_t, u_int16_t,
u_int16_t, u_int16_t, u_int16_t, u_int16_t, int);
};
/* Replacement Rules (rops) */
#define RR_CLEAR 0x0
#define RR_COPY 0x3
#define RR_XOR 0x6
#define RR_COPYINVERTED 0xc
void diofb_cnattach(struct diofb *);
void diofb_end_attach(void *, struct wsdisplay_accessops *, struct diofb *,
int, const char *);
int diofb_fbinquire(struct diofb *, int, struct diofbreg *);
void diofb_fbsetup(struct diofb *);
int diofb_getcmap(struct diofb *, struct wsdisplay_cmap *);
void diofb_resetcmap(struct diofb *);
int diofb_alloc_attr(void *, int, int, int, long *);
int diofb_alloc_screen(void *, const struct wsscreen_descr *, void **,
int *, int *, long *);
void diofb_free_screen(void *, void *);
paddr_t diofb_mmap(void *, off_t, int);
int diofb_show_screen(void *, void *, int, void (*)(void *, int, int),
void *);
extern struct diofb diofb_cn; /* struct diofb for console device */
#endif
/*
* In mapped mode, mmap() will provide the following layout:
* 0 - (DIOFB_REGSPACE - 1) frame buffer registers
* DIOFB_REGSPACE onwards frame buffer memory
*/
#define DIOFB_REGSPACE 0x020000
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