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NetBSD/sys/arch/hpcmips/dev/fb.c

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/* $NetBSD: fb.c,v 1.11 1999/12/16 09:46:56 sato Exp $ */
/*-
* Copyright (c) 1999
* Shin Takemura and PocketBSD Project. 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 the PocketBSD project
* and its contributors.
* 4. Neither the name of the project 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.
*
*/
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#define FBDEBUG
/*
#define WSCONS_FONT_HACK
#define USE_RASTERCONS
*/
static const char _copyright[] __attribute__ ((unused)) =
"Copyright (c) 1999 Shin Takemura. All rights reserved.";
static const char _rcsid[] __attribute__ ((unused)) =
"$Id: fb.c,v 1.11 1999/12/16 09:46:56 sato Exp $";
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/malloc.h>
#include <sys/buf.h>
#include <sys/ioctl.h>
#include <vm/vm.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <machine/bootinfo.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#ifdef USE_RASTERCONS
#include <dev/rcons/raster.h>
#include <dev/wscons/wscons_raster.h>
#else /* USE_RASTERCONS */
#include <dev/wsfont/wsfont.h>
#include <dev/rasops/rasops.h>
#endif /* USE_RASTERCONS */
#include <arch/hpcmips/dev/fbvar.h>
#ifdef FBDEBUG
int fb_debug = 1;
#define DPRINTF(arg) if (fb_debug) printf arg;
#else
#define DPRINTF(arg)
#endif
/*
* function prototypes
*/
int fbmatch __P((struct device *, struct cfdata *, void *));
void fbattach __P((struct device *, struct device *, void *));
int fbprint __P((void *, const char *));
int fb_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
int fb_mmap __P((void *, off_t, int));
static int fb_getdevconfig __P((struct fb_devconfig *dc));
static int fb_alloc_screen __P((void *, const struct wsscreen_descr *,
void **, int *, int *, long *));
static void fb_free_screen __P((void *, void *));
static int fb_show_screen __P((void *, void *, int,
void (*) (void *, int, int), void *));
static int pow __P((int, int));
#if defined(USE_RASTERCONS) & defined(WSCONS_FONT_HACK)
#include <arch/hpcmips/dev/vt220l8x10.h>
static void rcons_init2 __P((struct rcons *rc, int mrow, int mcol));
void rcons_initfont __P((struct rcons *, struct raster_font *));
#endif
/*
* static variables
*/
struct cfattach fb_ca = {
sizeof(struct fb_softc), fbmatch, fbattach,
};
#ifdef USE_RASTERCONS
struct wsdisplay_emulops fb_emulops = {
rcons_cursor,
rcons_mapchar,
rcons_putchar,
rcons_copycols,
rcons_erasecols,
rcons_copyrows,
rcons_eraserows,
rcons_alloc_attr
};
#endif /* USE_RASTERCONS */
struct wsscreen_descr fb_stdscreen = {
"std",
0, 0, /* will be filled in -- XXX shouldn't, it's global */
#ifdef USE_RASTERCONS
&fb_emulops,
#else
0,
#endif /* USE_RASTERCONS */
0, 0,
WSSCREEN_REVERSE
};
const struct wsscreen_descr *_fb_scrlist[] = {
&fb_stdscreen,
/* XXX other formats, graphics screen? */
};
struct wsscreen_list fb_screenlist = {
sizeof(_fb_scrlist) / sizeof(struct wsscreen_descr *), _fb_scrlist
};
struct wsdisplay_accessops fb_accessops = {
fb_ioctl,
fb_mmap,
fb_alloc_screen,
fb_free_screen,
fb_show_screen,
0 /* load_font */
};
static int fbconsole, fb_console_type;
struct fb_devconfig fb_console_dc;
struct wsscreen_descr fb_console_screen;
/*
* function bodies
*/
static int
pow(int x, int n)
{
int res = 1;
while (0 < n--) {
res *= x;
}
return (res);
}
int
fbmatch(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, match->cf_driver->cd_name))
return 0;
return (1);
}
void
fbattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct fb_softc *sc = (struct fb_softc *)self;
struct mainbus_attach_args *ma = aux;
struct wsemuldisplaydev_attach_args wa;
/* avoid warning */
ma->ma_iot = ma->ma_iot;
if (fbconsole) {
sc->sc_dc = &fb_console_dc;
sc->nscreens = 1;
} else {
sc->sc_dc = (struct fb_devconfig *)
malloc(sizeof(struct fb_devconfig), M_DEVBUF, M_WAITOK);
bzero(sc->sc_dc, sizeof(struct fb_devconfig));
if (fb_getdevconfig(sc->sc_dc) != 0) {
return;
}
}
#ifdef USE_RASTERCONS
printf(": raster %dx%d pixels, %d colors, %dx%d chars",
sc->sc_dc->dc_raster.width,
sc->sc_dc->dc_raster.height,
pow(2, sc->sc_dc->dc_raster.depth),
sc->sc_dc->dc_rcons.rc_maxcol,
sc->sc_dc->dc_rcons.rc_maxrow);
#else /* USE_RASTERCONS */
fb_stdscreen.textops = &sc->sc_dc->dc_rinfo.ri_ops;
fb_stdscreen.nrows = sc->sc_dc->dc_rinfo.ri_rows;
fb_stdscreen.ncols = sc->sc_dc->dc_rinfo.ri_cols;
fb_stdscreen.capabilities = sc->sc_dc->dc_rinfo.ri_caps;
printf(": rasops %dx%d pixels, %d colors, %dx%d chars",
sc->sc_dc->dc_rinfo.ri_width,
sc->sc_dc->dc_rinfo.ri_height,
pow(2, sc->sc_dc->dc_rinfo.ri_depth),
sc->sc_dc->dc_rinfo.ri_cols,
sc->sc_dc->dc_rinfo.ri_rows);
#endif /* USE_RASTERCONS */
printf("\n");
wa.console = fbconsole;
wa.scrdata = &fb_screenlist;
wa.accessops = &fb_accessops;
wa.accesscookie = sc;
config_found(self, &wa, wsemuldisplaydevprint);
}
int
fb_cnattach(iot, iobase, type, check)
bus_space_tag_t iot;
int iobase;
int type, check;
{
long defattr = 0;
/*
We can't probe because we have no real device yet.
if (check && ! fb_probe(iot, memt))
return (ENXIO);
*/
bzero(&fb_console_dc, sizeof(struct fb_devconfig));
if (fb_getdevconfig(&fb_console_dc) != 0) {
return (ENXIO);
}
#ifdef USE_RASTERCONS
fb_console_screen = fb_stdscreen;
fb_console_screen.nrows = fb_console_dc.dc_rcons.rc_maxrow;
fb_console_screen.ncols = fb_console_dc.dc_rcons.rc_maxcol;
wsdisplay_cnattach(&fb_console_screen, &fb_console_dc.dc_rcons,
0, 0, defattr);
#else /* USE_RASTERCONS */
fb_console_screen = fb_stdscreen;
fb_console_screen.textops = &fb_console_dc.dc_rinfo.ri_ops;
fb_console_screen.nrows = fb_console_dc.dc_rinfo.ri_rows;
fb_console_screen.ncols = fb_console_dc.dc_rinfo.ri_cols;
fb_console_screen.capabilities = fb_console_dc.dc_rinfo.ri_caps;
fb_console_dc.dc_rinfo.ri_ops.alloc_attr(&fb_console_dc.dc_rinfo,
7, 0, 0, &defattr);
wsdisplay_cnattach(&fb_console_screen, &fb_console_dc.dc_rinfo,
0, 0, defattr);
#endif /* USE_RASTERCONS */
fbconsole = 1;
fb_console_type = type;
return (0);
}
int
fb_getdevconfig(dc)
struct fb_devconfig *dc;
{
int i;
int32_t fg, bg;
int depth, reverse;
#ifdef USE_RASTERCONS
struct rcons *rcp;
#else
struct rasops_info *ri;
#endif
if (bootinfo == NULL ||
bootinfo->fb_addr == 0 ||
bootinfo->fb_line_bytes == 0 ||
bootinfo->fb_width == 0 ||
bootinfo->fb_height == 0) {
printf(": no frame buffer infomation.\n");
return (-1);
}
dc->dc_width = bootinfo->fb_width;
dc->dc_height = bootinfo->fb_height;
dc->dc_rowbytes = bootinfo->fb_line_bytes;
dc->dc_fbaddr = (vaddr_t)bootinfo->fb_addr;
reverse = 0;
switch (bootinfo->fb_type) {
case BIFB_D2_M2L_0:
case BIFB_D2_M2L_0x2:
reverse = 1;
depth = 2;
break;
case BIFB_D2_M2L_3:
case BIFB_D2_M2L_3x2:
depth = 2;
break;
case BIFB_D8_00:
reverse = 1;
depth = 8;
break;
case BIFB_D8_FF:
depth = 8;
break;
case BIFB_D16_0000:
reverse = 1;
depth = 16;
break;
case BIFB_D16_FFFF:
depth = 16;
break;
default:
printf(": unknown type (=%d).\n", bootinfo->fb_type);
return (-1);
break;
}
if (!reverse) {
bg = 0;
fg = ~0;
} else {
bg = ~0;
fg = 0;
}
/* clear the screen */
for (i = 0;
i < dc->dc_height * dc->dc_rowbytes;
i += sizeof(u_int32_t)) {
*(u_int32_t *)(dc->dc_fbaddr + i) = bg;
}
#ifdef USE_RASTERCONS
/* initialize the raster */
dc->dc_raster.width = dc->dc_width;
dc->dc_raster.height = dc->dc_height;
dc->dc_raster.depth = depth;
dc->dc_raster.linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
dc->dc_raster.pixels = (u_int32_t *)dc->dc_fbaddr;
dc->dc_raster.data = (caddr_t)dc;
/* initialize the raster console blitter */
rcp = &dc->dc_rcons;
rcp->rc_sp = &dc->dc_raster;
rcp->rc_crow = rcp->rc_ccol = -1;
rcp->rc_crowp = &rcp->rc_crow;
rcp->rc_ccolp = &rcp->rc_ccol;
#ifdef WSCONS_FONT_HACK
rcons_initfont(rcp, &vt220_8x10);
rcons_init2(rcp, 34, 80);
#else /* WSCONS_FONT_HACK */
rcons_init(rcp, 34, 80);
#endif /* WSCONS_FONT_HACK */
#else /* USE_RASTERCONS */
ri = &dc->dc_rinfo;
bzero(ri, sizeof(struct rasops_info));
ri->ri_depth = depth;
ri->ri_bits = (caddr_t)dc->dc_fbaddr;
ri->ri_width = dc->dc_width;
ri->ri_height = dc->dc_height;
ri->ri_stride = dc->dc_rowbytes;
ri->ri_flg = RI_FORCEMONO | RI_CURSOR;
if (rasops_init(ri, 200, 200)) {
panic("%s(%d): rasops_init() failed!", __FILE__, __LINE__);
}
/*
* setup color map
* overriding rasops.c: rasops_init_devcmap().
*/
ri->ri_devcmap[0] = bg;
for (i = 1; i < 16; i++) {
ri->ri_devcmap[i] = fg;
}
#endif /* USE_RASTERCONS */
return (0);
}
int
fb_ioctl(v, cmd, data, flag, p)
void *v;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
struct fb_softc *sc = v;
struct fb_devconfig *dc = sc->sc_dc;
struct wsdisplay_fbinfo *wdf;
switch (cmd) {
case WSKBDIO_BELL:
return (0);
break;
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_UNKNOWN; /* XXX ? */
return 0;
case WSDISPLAYIO_GINFO:
wdf = (void *)data;
#ifdef USE_RASTERCONS
wdf->height = dc->dc_raster.height;
wdf->width = dc->dc_raster.width;
wdf->depth = dc->dc_raster.depth;
wdf->cmsize = 256; /* XXXX */
#else /* USE_RASTERCONS */
wdf->height = dc->dc_rinfo.ri_height;
wdf->width = dc->dc_rinfo.ri_width;
wdf->depth = dc->dc_rinfo.ri_depth;
wdf->cmsize = 256; /* XXXX */
#endif /* USE_RASTERCONS */
return 0;
default:
if (IOCGROUP(cmd) != 't')
DPRINTF(("%s(%d): fb_ioctl(%lx, %lx) grp=%c num=%ld\n",
__FILE__, __LINE__,
cmd, (u_long)data, (char)IOCGROUP(cmd), cmd&0xff));
break;
}
return (-1);
}
int
fb_mmap(v, offset, prot)
void *v;
off_t offset;
int prot;
{
struct fb_softc *sc = v;
struct fb_devconfig *dc = sc->sc_dc;
if (offset >= (dc->dc_rowbytes * dc->dc_height) || offset < 0)
return -1;
return dc->dc_fbaddr + offset;
}
int
fb_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
void *v;
const struct wsscreen_descr *type;
void **cookiep;
int *curxp, *curyp;
long *attrp;
{
struct fb_softc *sc = v;
DPRINTF(("%s(%d): fb_alloc_screen()\n", __FILE__, __LINE__));
if (sc->nscreens > 0)
return (ENOMEM);
*curxp = 0;
*curyp = 0;
#ifdef USE_RASTERCONS
*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, attrp);
#else
*cookiep = &sc->sc_dc->dc_rinfo;
sc->sc_dc->dc_rinfo.ri_ops.alloc_attr(&sc->sc_dc->dc_rinfo,
7, 0, 0, attrp);
#endif
sc->nscreens++;
return (0);
}
void
fb_free_screen(v, cookie)
void *v;
void *cookie;
{
struct fb_softc *sc = v;
if (sc->sc_dc == &fb_console_dc)
panic("fb_free_screen: console");
sc->nscreens--;
}
int
fb_show_screen(v, cookie, waitok, cb, cbarg)
void *v;
void *cookie;
int waitok;
void (*cb) __P((void *, int, int));
void *cbarg;
{
DPRINTF(("%s(%d): fb_show_screen()\n", __FILE__, __LINE__));
return (0);
}
#if defined(USE_RASTERCONS) & defined(WSCONS_FONT_HACK)
void
rcons_init2(rc, mrow, mcol)
struct rcons *rc;
int mrow, mcol;
{
struct raster *rp = rc->rc_sp;
int i;
if (rc->rc_font == NULL) {
/*rcons_initfont(rc, &gallant19);
*/
}
i = rp->height / rc->rc_font->height;
rc->rc_maxrow = min(i, mrow);
i = rp->width / rc->rc_font->width;
rc->rc_maxcol = min(i, mcol);
/* Center emulator screen (but align x origin to 32 bits) */
rc->rc_xorigin =
((rp->width - rc->rc_maxcol * rc->rc_font->width) / 2) & ~0x1f;
rc->rc_yorigin =
(rp->height - rc->rc_maxrow * rc->rc_font->height) / 2;
/* Raster width used for row copies */
rc->rc_raswidth = rc->rc_maxcol * rc->rc_font->width;
if (rc->rc_raswidth & 0x1f) {
/* Pad to 32 bits */
i = (rc->rc_raswidth + 0x1f) & ~0x1f;
/* Make sure width isn't too wide */
if (rc->rc_xorigin + i <= rp->width)
rc->rc_raswidth = i;
}
rc->rc_bits = 0;
/* If cursor position given, assume it's there and drawn. */
if (*rc->rc_crowp != -1 && *rc->rc_ccolp != -1)
rc->rc_bits |= RC_CURSOR;
}
#endif /* USE_RASTERCONS & WSCONS_FONT_HACK */
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