/* $NetBSD: gdium_genfb.c,v 1.6 2011/07/10 00:03:53 matt Exp $ */
/*
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: gdium_genfb.c,v 1.6 2011/07/10 00:03:53 matt Exp $");
#include <sys/param.h>
#include <sys/buf.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/systm.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/rasops/rasops.h>
#include <dev/wsfont/wsfont.h>
#include <dev/wscons/wsdisplay_vconsvar.h>
#include <mips/bonito/bonitoreg.h>
#include <evbmips/gdium/gdiumvar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include "wsdisplay.h"
/* we need a wsdisplay to do anything halfway useful */
#if NWSDISPLAY > 0
static struct vcons_screen gdium_console_screen;
static struct wsscreen_descr gdium_stdscreen = {
.name = "std",
};
int
gdium_cnattach(struct gdium_config *gc)
{
struct rasops_info * const ri = &gdium_console_screen.scr_ri;
long defattr;
pcireg_t reg;
wsfont_init();
/* set up rasops */
ri->ri_width = 1024;
ri->ri_height = 600;
ri->ri_depth = 16;
ri->ri_stride = 0x800;
/* read the mapping register for the frame buffer */
reg = pci_conf_read(&gc->gc_pc, pci_make_tag(&gc->gc_pc, 0, 14, 0),
PCI_MAPREG_START);
ri->ri_bits = (char *)MIPS_PHYS_TO_KSEG1(BONITO_PCILO_BASE + reg);
ri->ri_flg = RI_CENTER | RI_NO_AUTO;
memset(ri->ri_bits, 0, 0x200000);
/* use as much of the screen as the font permits */
rasops_init(ri, 30, 80);
rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
ri->ri_width / ri->ri_font->fontwidth);
gdium_stdscreen.nrows = ri->ri_rows;
gdium_stdscreen.ncols = ri->ri_cols;
gdium_stdscreen.textops = &ri->ri_ops;
gdium_stdscreen.capabilities = ri->ri_caps;
ri->ri_ops.allocattr(ri, 0, ri->ri_rows - 1, 0, &defattr);
wsdisplay_preattach(&gdium_stdscreen, ri, 0, 0, defattr);
return 0;
}
#else /* NWSDISPLAY > 0 */
int
gdium_cnattach(struct gdium_config *gc)
{
return -1;
}
#endif