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/* $OpenBSD: grf_cc.c,v 1.6 1997/01/16 09:24:08 niklas Exp $ */
/* $NetBSD: grf_cc.c,v 1.23 1996/12/23 09:10:02 veego Exp $ */
/*
* Copyright (c) 1994 Christian E. Hopps
* All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christian E. Hopps.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* 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.
*/
#include "grfcc.h"
#if NGRFCC > 0
/*
* currently this is a backward compat hack that interface to
* view.c
*/
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/queue.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <vm/vm_param.h>
#include <machine/cpu.h>
#include <amiga/amiga/color.h> /* DEBUG */
#include <amiga/amiga/device.h>
#include <amiga/amiga/custom.h>
#include <amiga/amiga/cia.h>
#include <amiga/dev/grfioctl.h>
#include <amiga/dev/grfvar.h>
#include <amiga/dev/grf_ccreg.h>
#include <amiga/dev/grfabs_reg.h>
#include <amiga/dev/viewioctl.h>
#include <sys/conf.h>
#include <machine/conf.h>
#include "view.h"
int grfccmatch __P((struct device *, void *, void *));
int grfccprint __P((void *, const char *));
void grfccattach __P((struct device *, struct device *, void *));
void grf_cc_on __P((struct grf_softc *));
struct cfattach grfcc_ca = {
sizeof(struct grf_softc), grfccmatch, grfccattach
};
struct cfdriver grfcc_cd = {
NULL, "grfcc", DV_DULL, NULL, 0
};
/*
* only used in console init
*/
static struct cfdata *grfcc_cfdata;
/*
* we make sure to only init things once. this is somewhat
* tricky regarding the console.
*/
int
grfccmatch(pdp, match, auxp)
struct device *pdp;
void *match, *auxp;
{
struct cfdata *cfp = match;
static int ccconunit = -1;
char *mainbus_name = auxp;
/*
* allow only one cc console
*/
if (amiga_realconfig == 0 && ccconunit != -1)
return(0);
if (matchname("grfcc", mainbus_name) == 0)
return(0);
if (amiga_realconfig == 0 || ccconunit != cfp->cf_unit) {
if (grfcc_probe() == 0)
return(0);
viewprobe();
/*
* XXX nasty hack. opens view[0] and never closes.
*/
if (viewopen(0, 0, 0, NULL))
return(0);
if (amiga_realconfig == 0) {
ccconunit = cfp->cf_unit;
grfcc_cfdata = cfp;
}
}
return(1);
}
/*
* attach to the grfbus (mainbus)
*/
void
grfccattach(pdp, dp, auxp)
struct device *pdp, *dp;
void *auxp;
{
static struct grf_softc congrf;
struct grf_softc *gp;
if (dp == NULL)
gp = &congrf;
else
gp = (struct grf_softc *)dp;
if (dp != NULL && congrf.g_regkva != 0) {
/*
* we inited earlier just copy the info
* take care not to copy the device struct though.
*/
bcopy(&congrf.g_display, &gp->g_display,
(char *)&gp[1] - (char *)&gp->g_display);
} else {
gp->g_unit = GRF_CC_UNIT;
gp->g_flags = GF_ALIVE;
gp->g_mode = cc_mode;
gp->g_conpri = grfcc_cnprobe();
grfcc_iteinit(gp);
grf_cc_on(gp);
}
if (dp != NULL)
printf("\n");
/*
* attach grf
*/
amiga_config_found(grfcc_cfdata, &gp->g_device, gp, grfccprint);
}
int
grfccprint(auxp, pnp)
void *auxp;
const char *pnp;
{
if (pnp)
printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit,
pnp);
return(UNCONF);
}
/*
* Change the mode of the display.
* Right now all we can do is grfon/grfoff.
* Return a UNIX error number or 0 for success.
*/
/*ARGSUSED*/
int
cc_mode(gp, cmd, arg, a2, a3)
struct grf_softc *gp;
u_long cmd;
void *arg;
u_long a2;
int a3;
{
switch (cmd) {
case GM_GRFON:
grf_cc_on(gp);
return(0);
case GM_GRFOFF:
viewioctl(0, VIOCREMOVE, NULL, -1, NULL);
return(0);
case GM_GRFCONFIG:
default:
break;
}
return(EINVAL);
}
void
grf_cc_on(gp)
struct grf_softc *gp;
{
struct view_size vs;
bmap_t bm;
struct grfinfo *gi;
gi = &gp->g_display;
viewioctl(0, VIOCGBMAP, (caddr_t)&bm, -1, NULL); /* XXX type of bm ? */
gp->g_data = (caddr_t) 0xDeadBeaf; /* not particularly clean.. */
gi->gd_regaddr = (caddr_t) 0xdff000; /* depricated */
gi->gd_regsize = round_page(sizeof (custom));
gi->gd_fbaddr = bm.hardware_address;
gi->gd_fbsize = bm.depth*bm.bytes_per_row*bm.rows;
if (viewioctl (0, VIOCGSIZE, (caddr_t)&vs, -1, NULL)) {
/* XXX type of vs ? */
/* fill in some default values... XXX */
vs.width = 640;
vs.height = 400;
vs.depth = 2;
}
gi->gd_colors = 1 << vs.depth;
gi->gd_planes = vs.depth;
gi->gd_fbwidth = vs.width;
gi->gd_fbheight = vs.height;
gi->gd_fbx = 0;
gi->gd_fby = 0;
gi->gd_dwidth = vs.width;
gi->gd_dheight = vs.height;
gi->gd_dx = 0;
gi->gd_dy = 0;
gp->g_regkva = (void *)0xDeadBeaf; /* builtin */
gp->g_fbkva = NULL; /* not needed, view internal */
viewioctl(0, VIOCDISPLAY, NULL, -1, NULL);
}
#endif
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