430 lines
10 KiB
C
430 lines
10 KiB
C
/* $NetBSD: macfb.c,v 1.4 2000/06/26 04:55:47 simonb Exp $ */
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/*
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* Copyright (c) 1998 Matt DeBergalis
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* All rights reserved.
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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 Matt DeBergalis
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opt_wsdisplay_compat.h"
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#include "grf.h"
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include <machine/grfioctl.h>
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#include <mac68k/nubus/nubus.h>
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#include <mac68k/dev/grfvar.h>
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#include <mac68k/dev/macfbvar.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/rcons/raster.h>
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#include <dev/wscons/wscons_raster.h>
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#include <dev/wscons/wsdisplayvar.h>
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int macfb_match __P((struct device *, struct cfdata *, void *));
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void macfb_attach __P((struct device *, struct device *, void *));
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struct cfattach macfb_ca = {
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sizeof(struct macfb_softc),
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macfb_match,
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macfb_attach,
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};
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const struct wsdisplay_emulops macfb_emulops = {
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rcons_cursor,
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rcons_mapchar,
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rcons_putchar,
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rcons_copycols,
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rcons_erasecols,
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rcons_copyrows,
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rcons_eraserows,
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rcons_alloc_attr
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};
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struct wsscreen_descr macfb_stdscreen = {
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"std",
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0, 0, /* will be filled in -- XXX shouldn't, it's global */
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&macfb_emulops,
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0, 0,
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WSSCREEN_REVERSE
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};
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const struct wsscreen_descr *_macfb_scrlist[] = {
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&macfb_stdscreen,
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};
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const struct wsscreen_list macfb_screenlist = {
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sizeof(_macfb_scrlist) / sizeof(struct wsscreen_descr *),
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_macfb_scrlist
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};
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static int macfb_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
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static paddr_t macfb_mmap __P((void *, off_t, int));
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static int macfb_alloc_screen __P((void *, const struct wsscreen_descr *,
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void **, int *, int *, long *));
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static void macfb_free_screen __P((void *, void *));
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static int macfb_show_screen __P((void *, void *, int,
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void (*)(void *, int, int), void *));
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const struct wsdisplay_accessops macfb_accessops = {
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macfb_ioctl,
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macfb_mmap,
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macfb_alloc_screen,
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macfb_free_screen,
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macfb_show_screen,
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0 /* load_font */
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};
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void macfb_init __P((struct macfb_devconfig *));
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paddr_t macfb_consaddr;
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static int macfb_is_console __P((paddr_t addr));
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#ifdef WSDISPLAY_COMPAT_ITEFONT
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static void init_itefont __P((void));
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#endif /* WSDISPLAY_COMPAT_ITEFONT */
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static struct macfb_devconfig macfb_console_dc;
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/* From Booter via locore */
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extern long videoaddr;
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extern long videorowbytes;
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extern long videobitdepth;
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extern u_long videosize;
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extern u_int32_t mac68k_vidlog;
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extern u_int32_t mac68k_vidphys;
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extern u_int32_t mac68k_vidlen;
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static int
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macfb_is_console(paddr_t addr)
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{
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if (addr != macfb_consaddr &&
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(addr >= 0xf9000000 && addr <= 0xfeffffff)) {
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/*
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* This is in the NuBus standard slot space range, so we
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* may well have to look at 0xFssxxxxx, too. Mask off the
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* slot number and duplicate it in bits 20-23, per IM:V
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* pp 459, 463, and IM:VI ch 30 p 17.
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* Note: this is an ugly hack and I wish I knew what
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* to do about it. -- sr
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*/
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addr = (paddr_t)(((u_long)addr & 0xff0fffff) |
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(((u_long)addr & 0x0f000000) >> 4));
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}
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return ((mac68k_machine.serial_console & 0x03) == 0
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&& (addr == macfb_consaddr));
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}
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void
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macfb_clear(dc)
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struct macfb_devconfig *dc;
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{
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int i, rows;
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/* clear the display */
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rows = dc->dc_ht;
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for (i = 0; rows-- > 0; i += dc->dc_rowbytes)
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memset((u_char *)dc->dc_vaddr + dc->dc_offset + i,
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0, dc->dc_rowbytes);
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}
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void
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macfb_init(dc)
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struct macfb_devconfig *dc;
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{
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struct raster *rap;
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struct rcons *rcp;
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macfb_clear(dc);
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#ifdef WSDISPLAY_COMPAT_ITEFONT
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init_itefont();
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#endif /* WSDISPLAY_COMPAT_ITEFONT */
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rap = &dc->dc_raster;
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rap->width = dc->dc_wid;
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rap->height = dc->dc_ht;
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rap->depth = dc->dc_depth;
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rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
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rap->pixels = (u_int32_t *)(dc->dc_vaddr + dc->dc_offset);
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/* initialize the raster console blitter */
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rcp = &dc->dc_rcons;
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rcp->rc_sp = rap;
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rcp->rc_crow = rcp->rc_ccol = -1;
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rcp->rc_crowp = &rcp->rc_crow;
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rcp->rc_ccolp = &rcp->rc_ccol;
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rcons_init(rcp, 128, 192);
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macfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow;
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macfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol;
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}
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int
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macfb_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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return (1);
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}
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void
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macfb_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct grfbus_attach_args *ga = aux;
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struct grfmode *gm = ga->ga_grfmode;
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struct macfb_softc *sc;
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struct wsemuldisplaydev_attach_args waa;
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int isconsole;
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sc = (struct macfb_softc *)self;
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printf("\n");
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isconsole = macfb_is_console(ga->ga_phys + ga->ga_grfmode->fboff);
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if (isconsole) {
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sc->sc_dc = &macfb_console_dc;
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sc->nscreens = 1;
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} else {
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sc->sc_dc = malloc(sizeof(struct macfb_devconfig), M_DEVBUF, M_WAITOK);
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sc->sc_dc->dc_vaddr = (vaddr_t)gm->fbbase;
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sc->sc_dc->dc_paddr = ga->ga_phys;
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sc->sc_dc->dc_size = gm->fbsize;
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sc->sc_dc->dc_wid = gm->width;
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sc->sc_dc->dc_ht = gm->height;
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sc->sc_dc->dc_depth = gm->psize;
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sc->sc_dc->dc_rowbytes = gm->rowbytes;
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sc->sc_dc->dc_offset = gm->fboff;
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macfb_init(sc->sc_dc);
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sc->nscreens = 1;
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}
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/* initialize the raster */
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waa.console = isconsole;
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waa.scrdata = &macfb_screenlist;
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waa.accessops = &macfb_accessops;
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waa.accesscookie = sc;
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config_found(self, &waa, wsemuldisplaydevprint);
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#if NGRF > 0
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grf_attach(sc, self->dv_unit);
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#endif
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}
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int
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macfb_ioctl(v, cmd, data, flag, p)
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void *v;
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u_long cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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{
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struct macfb_softc *sc = v;
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struct macfb_devconfig *dc = sc->sc_dc;
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struct wsdisplay_fbinfo *wdf;
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switch (cmd) {
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case WSDISPLAYIO_GTYPE:
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*(int *)data = dc->dc_type;
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return 0;
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case WSDISPLAYIO_GINFO:
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wdf = (struct wsdisplay_fbinfo *)data;
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wdf->height = dc->dc_raster.height;
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wdf->width = dc->dc_raster.width;
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wdf->depth = dc->dc_raster.depth;
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wdf->cmsize = 256;
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return 0;
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case WSDISPLAYIO_GCURMAX:
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case WSDISPLAYIO_GCURPOS:
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case WSDISPLAYIO_GCURSOR:
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case WSDISPLAYIO_GETCMAP:
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case WSDISPLAYIO_GVIDEO:
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case WSDISPLAYIO_PUTCMAP:
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case WSDISPLAYIO_SCURPOS:
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case WSDISPLAYIO_SCURSOR:
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case WSDISPLAYIO_SVIDEO:
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/* NONE of these operations are supported. */
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return ENOTTY;
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}
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return -1;
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}
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static paddr_t
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macfb_mmap(v, offset, prot)
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void *v;
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off_t offset;
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int prot;
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{
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struct macfb_softc *sc = v;
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struct macfb_devconfig *dc = sc->sc_dc;
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paddr_t addr;
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if (offset >= 0 &&
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offset < m68k_round_page(dc->dc_rowbytes * dc->dc_ht))
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addr = m68k_btop(dc->dc_paddr + dc->dc_offset + offset);
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else
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addr = (-1); /* XXX bogus */
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return addr;
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}
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int
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macfb_alloc_screen(v, type, cookiep, curxp, curyp, defattrp)
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void *v;
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const struct wsscreen_descr *type;
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void **cookiep;
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int *curxp, *curyp;
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long *defattrp;
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{
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struct macfb_softc *sc = v;
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long defattr;
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if (sc->nscreens > 0)
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return (ENOMEM);
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*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
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*curxp = 0;
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*curyp = 0;
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rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr);
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*defattrp = defattr;
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sc->nscreens++;
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return (0);
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}
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void
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macfb_free_screen(v, cookie)
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void *v;
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void *cookie;
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{
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struct macfb_softc *sc = v;
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if (sc->sc_dc == &macfb_console_dc)
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panic("cfb_free_screen: console");
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sc->nscreens--;
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}
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int
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macfb_show_screen(v, cookie, waitok, cb, cbarg)
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void *v;
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void *cookie;
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int waitok;
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void (*cb) __P((void *, int, int));
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void *cbarg;
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{
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return 0;
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}
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int
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macfb_cnattach(addr)
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paddr_t addr;
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{
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struct macfb_devconfig *dc = &macfb_console_dc;
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long defattr;
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dc->dc_vaddr = m68k_trunc_page(videoaddr);
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dc->dc_paddr = m68k_trunc_page(mac68k_vidphys);
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dc->dc_wid = videosize & 0xffff;
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dc->dc_ht = (videosize >> 16) & 0xffff;
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dc->dc_depth = videobitdepth;
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dc->dc_rowbytes = videorowbytes;
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dc->dc_size = (mac68k_vidlen > 0) ?
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mac68k_vidlen : dc->dc_ht * dc->dc_rowbytes;
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dc->dc_offset = m68k_page_offset(mac68k_vidphys);
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/* set up the display */
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macfb_init(&macfb_console_dc);
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rcons_alloc_attr(&dc->dc_rcons, 0, 0, 0, &defattr);
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wsdisplay_cnattach(&macfb_stdscreen, &dc->dc_rcons,
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0, 0, defattr);
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macfb_consaddr = addr;
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dc->isconsole = 1;
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return (0);
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}
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#ifdef WSDISPLAY_COMPAT_ITEFONT
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#include <mac68k/dev/6x10.h>
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void
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init_itefont()
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{
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static int itefont_initted = 0;
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int i, j;
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extern struct raster_font gallant19; /* XXX */
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if (itefont_initted)
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return;
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itefont_initted = 1;
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/* XXX but we cannot use malloc here... */
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gallant19.width = 6;
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gallant19.height = 10;
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gallant19.ascent = 0;
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for (i = 32; i < 128; i++) {
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u_int *p;
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if (gallant19.chars[i].r == NULL)
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continue;
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gallant19.chars[i].r->width = 6;
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gallant19.chars[i].r->height = 10;
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p = gallant19.chars[i].r->pixels;
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for (j = 0; j < 10; j++)
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*p++ = Font6x10[i * 10 + j] << 26;
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}
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}
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#endif /* WSDISPLAY_COMPAT_ITEFONT */
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