* Copyright (c) 1991 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 and Mark Davies of the Department of Computer
* Science, Victoria University of Wellington, New Zealand.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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
* from: Utah $Hdr: grf_hy.c 1.2 93/08/13$
* @(#)grf_hy.c 8.4 (Berkeley) 1/12/94
* Graphics routines for HYPERION frame buffer
#include <hp/dev/grfioctl.h>
#include <hp/dev/grfvar.h>
#include <hp300/dev/grf_hyreg.h>
caddr_t badhyaddr
= (caddr_t
) -1;
* Must fill in the grfinfo structure in g_softc.
* Returns 0 if hardware not present, non-zero ow.
register struct hyboxfb
*hy
= (struct hyboxfb
*) addr
;
struct grfinfo
*gi
= &gp
->g_display
;
extern caddr_t
sctopa(), iomap();
gi
->gd_regaddr
= (caddr_t
) IIOP(addr
);
gi
->gd_regaddr
= sctopa(vatosc(addr
));
gi
->gd_regsize
= 0x20000;
gi
->gd_fbwidth
= (hy
->fbwmsb
<< 8) | hy
->fbwlsb
;
gi
->gd_fbheight
= (hy
->fbhmsb
<< 8) | hy
->fbhlsb
;
gi
->gd_fbsize
= (gi
->gd_fbwidth
* gi
->gd_fbheight
) >> 3;
fboff
= (hy
->fbomsb
<< 8) | hy
->fbolsb
;
gi
->gd_fbaddr
= (caddr_t
) (*((u_char
*)addr
+ fboff
) << 16);
if (gi
->gd_regaddr
>= (caddr_t
)DIOIIBASE
) {
* For DIO II space the fbaddr just computed is the offset
* from the select code base (regaddr) of the framebuffer.
* Hence it is also implicitly the size of the register set.
gi
->gd_regsize
= (int) gi
->gd_fbaddr
;
gi
->gd_fbaddr
+= (int) gi
->gd_regaddr
;
gp
->g_fbkva
= addr
+ gi
->gd_regsize
;
* For DIO space we need to map the seperate framebuffer.
gp
->g_fbkva
= iomap(gi
->gd_fbaddr
, gi
->gd_fbsize
);
gi
->gd_dwidth
= (hy
->dwmsb
<< 8) | hy
->dwlsb
;
gi
->gd_dheight
= (hy
->dhmsb
<< 8) | hy
->dhlsb
;
gi
->gd_planes
= hy
->num_planes
;
gi
->gd_colors
= 1 << gi
->gd_planes
;
* Change the mode of the display.
* Right now all we can do is grfon/grfoff.
* Return a UNIX error number or 0 for success.
* Function may not be needed anymore.
* Remember UVA of mapping for GCDESCRIBE.
* XXX this should be per-process.
struct grf_fbinfo
*fi
= (struct grf_fbinfo
*)data
;
struct grfinfo
*gi
= &gp
->g_display
;
/* feed it what HP-UX expects */
fi
->mapsize
= gi
->gd_fbsize
;
fi
->dwidth
= gi
->gd_dwidth
;
fi
->dlength
= gi
->gd_dheight
;
fi
->width
= gi
->gd_fbwidth
;
fi
->length
= gi
->gd_fbheight
;
fi
->xlen
= (fi
->width
* fi
->bpp
) / NBBY
;
fi
->nplbytes
= fi
->xlen
* ((fi
->length
* fi
->bpp
) / NBBY
);
bcopy("A1096A", fi
->name
, 7); /* ?? */
* If mapped, return the UVA where mapped.
fi
->regbase
= gp
->g_data
;
fi
->fbbase
= fi
->regbase
+ gp
->g_display
.gd_regsize
;