165 lines
5.3 KiB
C
165 lines
5.3 KiB
C
/* $NetBSD: grfvar.h,v 1.23 1998/12/22 08:47:05 scottr Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: grfvar.h 1.9 91/01/21$
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*
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* @(#)grfvar.h 7.3 (Berkeley) 5/7/91
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*/
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#define CARD_NAME_LEN 64
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/*
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* State info, per hardware instance.
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*/
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struct grfbus_softc {
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struct device sc_dev;
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nubus_slot sc_slot;
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bus_addr_t sc_basepa; /* base of video space */
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bus_addr_t sc_fbofs; /* offset to framebuffer */
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bus_space_tag_t sc_tag;
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bus_space_handle_t sc_handle;
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bus_space_handle_t sc_regh;
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struct grfmode curr_mode; /* hardware desc(for ioctl) */
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u_int32_t card_id; /* DrHW value for nubus cards */
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bus_size_t cli_offset; /* Offset to clear interrupt */
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/* for cards where that's suff. */
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u_int32_t cli_value; /* Value to write at cli_offset */
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nubus_dir board_dir; /* Nubus dir for curr board */
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};
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/*
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* State info, per grf instance.
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*/
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struct grf_softc {
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struct device sc_dev; /* device glue */
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bus_space_tag_t sc_tag;
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bus_space_handle_t sc_handle;
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int sc_flags; /* driver flags */
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u_long sc_phys; /* PA of framebuffer */
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struct grfmode *sc_grfmode; /* forwarded ... */
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nubus_slot *sc_slot;
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/* mode-change on/off/mode function */
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int (*sc_mode) __P((struct grf_softc *, int, void *));
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/* find framebuffer physical addr */
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};
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/*
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* Attach grf and ite semantics to Mac video hardware.
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*/
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struct grfbus_attach_args {
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char *ga_name; /* name of semantics to attach */
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bus_space_tag_t ga_tag; /* forwarded ... */
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bus_space_handle_t ga_handle;
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struct grfmode *ga_grfmode;
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nubus_slot *ga_slot;
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bus_addr_t ga_phys;
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int (*ga_mode) __P((struct grf_softc *, int, void *));
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};
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typedef caddr_t (*grf_phys_t) __P((struct grf_softc *gp, vaddr_t addr));
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/* flags */
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#define GF_ALIVE 0x01
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#define GF_OPEN 0x02
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#define GF_EXCLUDE 0x04
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#define GF_WANTED 0x08
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#define GF_BSDOPEN 0x10
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#define GF_HPUXOPEN 0x20
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/* requests to mode routine */
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#define GM_GRFON 1
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#define GM_GRFOFF 2
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#define GM_CURRMODE 3
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#define GM_LISTMODES 4
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#define GM_NEWMODE 5
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/* minor device interpretation */
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#define GRFUNIT(d) ((d) & 0x7)
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/*
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* Nubus image data structure. This is the equivalent of a PixMap in
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* MacOS programming parlance. One of these structures exists for each
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* video mode that a quickdraw compatible card can fit in.
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*/
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struct image_data {
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u_int32_t size;
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u_int32_t offset;
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u_int16_t rowbytes;
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u_int16_t top;
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u_int16_t left;
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u_int16_t bottom;
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u_int16_t right;
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u_int16_t version;
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u_int16_t packType;
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u_int32_t packSize;
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u_int32_t hRes;
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u_int32_t vRes;
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u_int16_t pixelType;
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u_int16_t pixelSize;
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u_int16_t cmpCount;
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u_int16_t cmpSize;
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u_int32_t planeBytes;
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};
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#define VID_PARAMS 1
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#define VID_TABLE_OFFSET 2
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#define VID_PAGE_CNT 3
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#define VID_DEV_TYPE 4
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int grfopen __P((dev_t dev, int flag, int mode, struct proc *p));
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int grfclose __P((dev_t dev, int flag, int mode, struct proc *p));
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int grfioctl __P((dev_t, int, caddr_t, int, struct proc *p));
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int grfpoll __P((dev_t dev, int events, struct proc *p));
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int grfmmap __P((dev_t dev, int off, int prot));
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int grfon __P((dev_t dev));
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int grfoff __P((dev_t dev));
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int grfaddr __P((struct grf_softc *gp, register int off));
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int grfmap __P((dev_t dev, caddr_t *addrp, struct proc *p));
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int grfunmap __P((dev_t dev, caddr_t addr, struct proc *p));
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void grf_establish __P((struct grfbus_softc *, nubus_slot *,
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int (*)(struct grf_softc *, int, void *)));
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int grfbusprint __P((void *, const char *));
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