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/* $OpenBSD: grfvar.h,v 1.16 2005/08/06 19:51:43 martin Exp $ */
/* $NetBSD: grfvar.h,v 1.11 1996/08/04 06:03:58 scottr Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990 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.
*
* from: Utah $Hdr: grfvar.h 1.9 91/01/21$
*
* @(#)grfvar.h 7.3 (Berkeley) 5/7/91
*/
#define CARD_NAME_LEN 64
/*
* State info, per hardware instance.
*/
struct grfbus_softc {
struct device sc_dev;
nubus_slot sc_slot;
bus_addr_t sc_basepa; /* base of video space */
bus_addr_t sc_fbofs; /* offset to framebuffer */
bus_space_tag_t sc_tag;
bus_space_handle_t sc_handle;
bus_space_handle_t sc_regh;
struct grfmode curr_mode; /* hardware desc(for ioctl) */
u_int32_t card_id; /* DrHW value for nubus cards */
bus_size_t cli_offset; /* Offset of byte to clear intr */
/* for cards where that's suff. */
u_int32_t cli_value; /* Value to write at cli_offset */
nubus_dir board_dir; /* Nubus dir for curr board */
};
/*
* State info, per grf instance.
*/
struct grf_softc {
struct device sc_dev; /* device glue */
bus_space_tag_t sc_tag;
bus_space_handle_t sc_regh;
int sc_flags; /* driver flags */
u_long sc_phys; /* PA of framebuffer */
struct grfmode *sc_grfmode; /* forwarded ... */
nubus_slot *sc_slot;
/* mode-change on/off/mode function */
int (*sc_mode)(struct grf_softc *, int, void *);
};
/*
* Attach grf and ite semantics to Mac video hardware.
*/
struct grfbus_attach_args {
char *ga_name; /* name of semantics to attach */
bus_space_tag_t ga_tag;
bus_space_handle_t ga_handle;
struct grfmode *ga_grfmode;
nubus_slot *ga_slot;
bus_addr_t ga_phys;
int (*ga_mode)(struct grf_softc *, int, void *);
};
typedef caddr_t (*grf_phys_t)(struct grf_softc *gp, vaddr_t addr);
/* flags */
#define GF_ALIVE 0x01
#define GF_OPEN 0x02
#define GF_EXCLUDE 0x04
#define GF_WANTED 0x08
#define GF_BSDOPEN 0x10
#define GF_HPUXOPEN 0x20
/* requests to mode routine */
#define GM_GRFON 1
#define GM_GRFOFF 2
#define GM_CURRMODE 3
#define GM_LISTMODES 4
#define GM_NEWMODE 5
/* minor device interpretation */
#define GRFUNIT(d) ((d) & 0x7)
/*
* Nubus image data structure. This is the equivalent of a PixMap in
* MacOS programming parlance. One of these structures exists for each
* video mode that a quickdraw compatible card can fit in.
*/
struct image_data {
u_int32_t size;
u_int32_t offset;
u_int16_t rowbytes;
u_int16_t top;
u_int16_t left;
u_int16_t bottom;
u_int16_t right;
u_int16_t version;
u_int16_t packType;
u_int32_t packSize;
u_int32_t hRes;
u_int32_t vRes;
u_int16_t pixelType;
u_int16_t pixelSize;
u_int16_t cmpCount;
u_int16_t cmpSize;
u_int32_t planeBytes;
};
#define VID_PARAMS 1
#define VID_TABLE_OFFSET 2
#define VID_PAGE_CNT 3
#define VID_DEV_TYPE 4
int grfopen(dev_t dev, int flag, int mode, struct proc *p);
int grfclose(dev_t dev, int flag, int mode, struct proc *p);
int grfioctl(dev_t, int, caddr_t, int, struct proc *p);
int grfpoll(dev_t dev, int rw, struct proc *p);
paddr_t grfmmap(dev_t dev, off_t off, int prot);
int grfon(dev_t dev);
int grfoff(dev_t dev);
int grfaddr(struct grf_softc *gp, register int off);
int grfmap(dev_t dev, caddr_t *addrp, struct proc *p);
int grfunmap(dev_t dev, caddr_t addr, struct proc *p);
void grf_establish(struct grfbus_softc *, nubus_slot *,
int (*)(struct grf_softc *, int, void *));
int grfbusprint(void *, const char *);
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