917 lines
24 KiB
C
917 lines
24 KiB
C
/* $NetBSD: newport.c,v 1.10 2007/03/04 06:00:39 christos Exp $ */
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/*
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* Copyright (c) 2003 Ilpo Ruotsalainen
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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. 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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* <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>>
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: newport.c,v 1.10 2007/03/04 06:00:39 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <machine/sysconf.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/wsfont/wsfont.h>
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#include <sgimips/gio/giovar.h>
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#include <sgimips/gio/newportvar.h>
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#include <sgimips/gio/newportreg.h>
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struct newport_softc {
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struct device sc_dev;
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struct newport_devconfig *sc_dc;
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};
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struct newport_devconfig {
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uint32_t dc_addr;
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bus_space_tag_t dc_st;
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bus_space_handle_t dc_sh;
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int dc_boardrev;
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int dc_vc2rev;
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int dc_cmaprev;
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int dc_xmaprev;
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int dc_rexrev;
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int dc_xres;
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int dc_yres;
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int dc_depth;
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int dc_font;
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struct wsdisplay_font *dc_fontdata;
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};
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static int newport_match(struct device *, struct cfdata *, void *);
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static void newport_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(newport, sizeof(struct newport_softc),
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newport_match, newport_attach, NULL, NULL);
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/* textops */
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static void newport_cursor(void *, int, int, int);
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static int newport_mapchar(void *, int, unsigned int *);
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static void newport_putchar(void *, int, int, u_int, long);
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static void newport_copycols(void *, int, int, int, int);
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static void newport_erasecols(void *, int, int, int, long);
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static void newport_copyrows(void *, int, int, int);
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static void newport_eraserows(void *, int, int, long);
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static int newport_allocattr(void *, int, int, int, long *);
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/* accessops */
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static int newport_ioctl(void *, void *, u_long, void *, int,
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struct lwp *);
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static paddr_t newport_mmap(void *, void *, off_t, int);
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static int newport_alloc_screen(void *, const struct wsscreen_descr *,
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void **, int *, int *, long *);
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static void newport_free_screen(void *, void *);
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static int newport_show_screen(void *, void *, int,
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void (*)(void *, int, int), void *);
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static const struct wsdisplay_emulops newport_textops = {
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.cursor = newport_cursor,
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.mapchar = newport_mapchar,
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.putchar = newport_putchar,
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.copycols = newport_copycols,
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.erasecols = newport_erasecols,
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.copyrows = newport_copyrows,
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.eraserows = newport_eraserows,
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.allocattr = newport_allocattr
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};
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static const struct wsdisplay_accessops newport_accessops = {
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.ioctl = newport_ioctl,
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.mmap = newport_mmap,
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.alloc_screen = newport_alloc_screen,
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.free_screen = newport_free_screen,
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.show_screen = newport_show_screen,
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};
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static const struct wsscreen_descr newport_screen_1024x768 = {
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.name = "1024x768",
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.ncols = 128,
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.nrows = 48,
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.textops = &newport_textops,
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.fontwidth = 8,
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.fontheight = 16,
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.capabilities = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_REVERSE
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};
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static const struct wsscreen_descr newport_screen_1280x1024 = {
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.name = "1280x1024",
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.ncols = 160,
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.nrows = 64,
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.textops = &newport_textops,
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.fontwidth = 8,
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.fontheight = 16,
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.capabilities = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_REVERSE
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};
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static const struct wsscreen_descr *_newport_screenlist[] = {
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&newport_screen_1024x768,
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&newport_screen_1280x1024
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};
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static const struct wsscreen_list newport_screenlist = {
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sizeof(_newport_screenlist) / sizeof(struct wsscreen_descr *),
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_newport_screenlist
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};
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static struct newport_devconfig newport_console_dc;
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static int newport_is_console = 0;
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#define NEWPORT_ATTR_ENCODE(fg,bg) (((fg) << 8) | (bg))
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#define NEWPORT_ATTR_BG(a) ((a) & 0xff)
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#define NEWPORT_ATTR_FG(a) (((a) >> 8) & 0xff)
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static const uint16_t newport_cursor_data[128] = {
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/* Bit 0 */
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0xff00, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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/* Bit 1 */
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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0x0000, 0x0000,
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};
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static const uint8_t newport_defcmap[16*3] = {
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/* Normal colors */
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0x00, 0x00, 0x00, /* black */
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0x7f, 0x00, 0x00, /* red */
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0x00, 0x7f, 0x00, /* green */
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0x7f, 0x7f, 0x00, /* brown */
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0x00, 0x00, 0x7f, /* blue */
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0x7f, 0x00, 0x7f, /* magenta */
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0x00, 0x7f, 0x7f, /* cyan */
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0xc7, 0xc7, 0xc7, /* white - XXX too dim? */
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/* Hilite colors */
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0x7f, 0x7f, 0x7f, /* black */
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0xff, 0x00, 0x00, /* red */
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0x00, 0xff, 0x00, /* green */
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0xff, 0xff, 0x00, /* brown */
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0x00, 0x00, 0xff, /* blue */
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0xff, 0x00, 0xff, /* magenta */
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0x00, 0xff, 0xff, /* cyan */
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0xff, 0xff, 0xff, /* white */
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};
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/**** Low-level hardware register groveling functions ****/
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static void
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rex3_write(struct newport_devconfig *dc, bus_size_t rexreg, uint32_t val)
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{
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bus_space_write_4(dc->dc_st, dc->dc_sh, NEWPORT_REX3_OFFSET + rexreg,
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val);
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}
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static void
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rex3_write_go(struct newport_devconfig *dc, bus_size_t rexreg, uint32_t val)
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{
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rex3_write(dc, rexreg + REX3_REG_GO, val);
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}
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static uint32_t
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rex3_read(struct newport_devconfig *dc, bus_size_t rexreg)
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{
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return bus_space_read_4(dc->dc_st, dc->dc_sh, NEWPORT_REX3_OFFSET +
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rexreg);
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}
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static void
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rex3_wait_gfifo(struct newport_devconfig *dc)
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{
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while (rex3_read(dc, REX3_REG_STATUS) & REX3_STATUS_GFXBUSY)
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;
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}
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static void
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vc2_write_ireg(struct newport_devconfig *dc, uint8_t ireg, uint16_t val)
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{
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rex3_write(dc, REX3_REG_DCBMODE,
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REX3_DCBMODE_DW_3 |
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REX3_DCBMODE_ENCRSINC |
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(NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) |
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(VC2_DCBCRS_INDEX << REX3_DCBMODE_DCBCRS_SHIFT) |
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REX3_DCBMODE_ENASYNCACK |
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(1 << REX3_DCBMODE_CSSETUP_SHIFT));
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rex3_write(dc, REX3_REG_DCBDATA0, (ireg << 24) | (val << 8));
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}
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static uint16_t
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vc2_read_ireg(struct newport_devconfig *dc, uint8_t ireg)
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{
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rex3_write(dc, REX3_REG_DCBMODE,
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REX3_DCBMODE_DW_1 |
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REX3_DCBMODE_ENCRSINC |
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(NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) |
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(VC2_DCBCRS_INDEX << REX3_DCBMODE_DCBCRS_SHIFT) |
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REX3_DCBMODE_ENASYNCACK |
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(1 << REX3_DCBMODE_CSSETUP_SHIFT));
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rex3_write(dc, REX3_REG_DCBDATA0, ireg << 24);
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rex3_write(dc, REX3_REG_DCBMODE,
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REX3_DCBMODE_DW_2 |
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REX3_DCBMODE_ENCRSINC |
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(NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) |
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(VC2_DCBCRS_IREG << REX3_DCBMODE_DCBCRS_SHIFT) |
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REX3_DCBMODE_ENASYNCACK |
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(1 << REX3_DCBMODE_CSSETUP_SHIFT));
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return (uint16_t)(rex3_read(dc, REX3_REG_DCBDATA0) >> 16);
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}
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static uint16_t
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vc2_read_ram(struct newport_devconfig *dc, uint16_t addr)
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{
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vc2_write_ireg(dc, VC2_IREG_RAM_ADDRESS, addr);
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rex3_write(dc, REX3_REG_DCBMODE,
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REX3_DCBMODE_DW_2 |
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(NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) |
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(VC2_DCBCRS_RAM << REX3_DCBMODE_DCBCRS_SHIFT) |
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REX3_DCBMODE_ENASYNCACK |
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(1 << REX3_DCBMODE_CSSETUP_SHIFT));
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return (uint16_t)(rex3_read(dc, REX3_REG_DCBDATA0) >> 16);
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}
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static void
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vc2_write_ram(struct newport_devconfig *dc, uint16_t addr, uint16_t val)
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{
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vc2_write_ireg(dc, VC2_IREG_RAM_ADDRESS, addr);
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rex3_write(dc, REX3_REG_DCBMODE,
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REX3_DCBMODE_DW_2 |
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(NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) |
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(VC2_DCBCRS_RAM << REX3_DCBMODE_DCBCRS_SHIFT) |
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REX3_DCBMODE_ENASYNCACK |
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(1 << REX3_DCBMODE_CSSETUP_SHIFT));
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rex3_write(dc, REX3_REG_DCBDATA0, val << 16);
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}
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static u_int32_t
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xmap9_read(struct newport_devconfig *dc, int crs)
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{
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rex3_write(dc, REX3_REG_DCBMODE,
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REX3_DCBMODE_DW_1 |
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(NEWPORT_DCBADDR_XMAP_0 << REX3_DCBMODE_DCBADDR_SHIFT) |
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(crs << REX3_DCBMODE_DCBCRS_SHIFT) |
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(3 << REX3_DCBMODE_CSWIDTH_SHIFT) |
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(2 << REX3_DCBMODE_CSHOLD_SHIFT) |
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(1 << REX3_DCBMODE_CSSETUP_SHIFT));
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return rex3_read(dc, REX3_REG_DCBDATA0);
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}
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static void
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xmap9_write(struct newport_devconfig *dc, int crs, uint8_t val)
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{
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rex3_write(dc, REX3_REG_DCBMODE,
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REX3_DCBMODE_DW_1 |
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(NEWPORT_DCBADDR_XMAP_BOTH << REX3_DCBMODE_DCBADDR_SHIFT) |
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(crs << REX3_DCBMODE_DCBCRS_SHIFT) |
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(3 << REX3_DCBMODE_CSWIDTH_SHIFT) |
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(2 << REX3_DCBMODE_CSHOLD_SHIFT) |
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(1 << REX3_DCBMODE_CSSETUP_SHIFT));
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rex3_write(dc, REX3_REG_DCBDATA0, val << 24);
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}
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static void
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xmap9_write_mode(struct newport_devconfig *dc, uint8_t index, uint32_t mode)
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{
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rex3_write(dc, REX3_REG_DCBMODE,
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REX3_DCBMODE_DW_4 |
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(NEWPORT_DCBADDR_XMAP_BOTH << REX3_DCBMODE_DCBADDR_SHIFT) |
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(XMAP9_DCBCRS_MODE_SETUP << REX3_DCBMODE_DCBCRS_SHIFT) |
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(3 << REX3_DCBMODE_CSWIDTH_SHIFT) |
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(2 << REX3_DCBMODE_CSHOLD_SHIFT) |
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(1 << REX3_DCBMODE_CSSETUP_SHIFT));
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rex3_write(dc, REX3_REG_DCBDATA0, (index << 24) | mode);
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}
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/**** Helper functions ****/
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static void
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newport_fill_rectangle(struct newport_devconfig *dc, int x1, int y1, int x2,
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int y2, uint8_t color)
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{
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rex3_wait_gfifo(dc);
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rex3_write(dc, REX3_REG_DRAWMODE0, REX3_DRAWMODE0_OPCODE_DRAW |
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REX3_DRAWMODE0_ADRMODE_BLOCK | REX3_DRAWMODE0_DOSETUP |
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REX3_DRAWMODE0_STOPONX | REX3_DRAWMODE0_STOPONY);
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rex3_write(dc, REX3_REG_WRMASK, 0xffffffff);
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rex3_write(dc, REX3_REG_COLORI, color);
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rex3_write(dc, REX3_REG_XYSTARTI, (x1 << REX3_XYSTARTI_XSHIFT) | y1);
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rex3_write_go(dc, REX3_REG_XYENDI, (x2 << REX3_XYENDI_XSHIFT) | y2);
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}
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static void
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newport_copy_rectangle(struct newport_devconfig *dc, int x1, int y1, int x2,
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int y2, int dx, int dy)
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{
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uint32_t tmp;
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rex3_wait_gfifo(dc);
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rex3_write(dc, REX3_REG_DRAWMODE0, REX3_DRAWMODE0_OPCODE_SCR2SCR |
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REX3_DRAWMODE0_ADRMODE_BLOCK | REX3_DRAWMODE0_DOSETUP |
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REX3_DRAWMODE0_STOPONX | REX3_DRAWMODE0_STOPONY);
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rex3_write(dc, REX3_REG_XYSTARTI, (x1 << REX3_XYSTARTI_XSHIFT) | y1);
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rex3_write(dc, REX3_REG_XYENDI, (x2 << REX3_XYENDI_XSHIFT) | y2);
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tmp = (dy - y1) & 0xffff;
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tmp |= (dx - x1) << REX3_XYMOVE_XSHIFT;
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rex3_write_go(dc, REX3_REG_XYMOVE, tmp);
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}
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static void
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newport_cmap_setrgb(struct newport_devconfig *dc, int index, uint8_t r,
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uint8_t g, uint8_t b)
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{
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rex3_write(dc, REX3_REG_DCBMODE,
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REX3_DCBMODE_DW_2 |
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REX3_DCBMODE_ENCRSINC |
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(NEWPORT_DCBADDR_CMAP_BOTH << REX3_DCBMODE_DCBADDR_SHIFT) |
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(CMAP_DCBCRS_ADDRESS_LOW << REX3_DCBMODE_DCBCRS_SHIFT) |
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(1 << REX3_DCBMODE_CSWIDTH_SHIFT) |
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(1 << REX3_DCBMODE_CSHOLD_SHIFT) |
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(1 << REX3_DCBMODE_CSSETUP_SHIFT) |
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REX3_DCBMODE_SWAPENDIAN);
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|
|
rex3_write(dc, REX3_REG_DCBDATA0, index << 16);
|
|
|
|
rex3_write(dc, REX3_REG_DCBMODE,
|
|
REX3_DCBMODE_DW_3 |
|
|
(NEWPORT_DCBADDR_CMAP_BOTH << REX3_DCBMODE_DCBADDR_SHIFT) |
|
|
(CMAP_DCBCRS_PALETTE << REX3_DCBMODE_DCBCRS_SHIFT) |
|
|
(1 << REX3_DCBMODE_CSWIDTH_SHIFT) |
|
|
(1 << REX3_DCBMODE_CSHOLD_SHIFT) |
|
|
(1 << REX3_DCBMODE_CSSETUP_SHIFT));
|
|
|
|
rex3_write(dc, REX3_REG_DCBDATA0, (r << 24) + (g << 16) + (b << 8));
|
|
}
|
|
|
|
static void
|
|
newport_get_resolution(struct newport_devconfig *dc)
|
|
{
|
|
uint16_t vep,lines;
|
|
uint16_t linep,cols;
|
|
uint16_t data;
|
|
|
|
vep = vc2_read_ireg(dc, VC2_IREG_VIDEO_ENTRY);
|
|
|
|
dc->dc_xres = 0;
|
|
dc->dc_yres = 0;
|
|
|
|
for (;;) {
|
|
/* Iterate over runs in video timing table */
|
|
|
|
cols = 0;
|
|
|
|
linep = vc2_read_ram(dc, vep++);
|
|
lines = vc2_read_ram(dc, vep++);
|
|
|
|
if (lines == 0)
|
|
break;
|
|
|
|
do {
|
|
/* Iterate over state runs in line sequence table */
|
|
|
|
data = vc2_read_ram(dc, linep++);
|
|
|
|
if ((data & 0x0001) == 0)
|
|
cols += (data >> 7) & 0xfe;
|
|
|
|
if ((data & 0x0080) == 0)
|
|
data = vc2_read_ram(dc, linep++);
|
|
} while ((data & 0x8000) == 0);
|
|
|
|
if (cols != 0) {
|
|
if (cols > dc->dc_xres)
|
|
dc->dc_xres = cols;
|
|
|
|
dc->dc_yres += lines;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
newport_setup_hw(struct newport_devconfig *dc)
|
|
{
|
|
uint16_t curp,tmp;
|
|
int i;
|
|
uint32_t scratch;
|
|
|
|
/* Get various revisions */
|
|
rex3_write(dc, REX3_REG_DCBMODE,
|
|
REX3_DCBMODE_DW_1 |
|
|
(NEWPORT_DCBADDR_CMAP_0 << REX3_DCBMODE_DCBADDR_SHIFT) |
|
|
(CMAP_DCBCRS_REVISION << REX3_DCBMODE_DCBCRS_SHIFT) |
|
|
(1 << REX3_DCBMODE_CSWIDTH_SHIFT) |
|
|
(1 << REX3_DCBMODE_CSHOLD_SHIFT) |
|
|
(1 << REX3_DCBMODE_CSSETUP_SHIFT));
|
|
|
|
scratch = vc2_read_ireg(dc, VC2_IREG_CONFIG);
|
|
dc->dc_vc2rev = (scratch & VC2_IREG_CONFIG_REVISION) >> 5;
|
|
|
|
scratch = rex3_read(dc, REX3_REG_DCBDATA0);
|
|
|
|
dc->dc_boardrev = (scratch >> 28) & 0x07;
|
|
dc->dc_cmaprev = scratch & 0x07;
|
|
dc->dc_xmaprev = xmap9_read(dc, XMAP9_DCBCRS_REVISION) & 0x07;
|
|
dc->dc_depth = ( (dc->dc_boardrev > 1) && (scratch & 0x80)) ? 8 : 24;
|
|
|
|
/* Setup cursor glyph */
|
|
curp = vc2_read_ireg(dc, VC2_IREG_CURSOR_ENTRY);
|
|
|
|
for (i=0; i<128; i++)
|
|
vc2_write_ram(dc, curp + i, newport_cursor_data[i]);
|
|
|
|
/* Setup VC2 to a known state */
|
|
tmp = vc2_read_ireg(dc, VC2_IREG_CONTROL) & VC2_CONTROL_INTERLACE;
|
|
vc2_write_ireg(dc, VC2_IREG_CONTROL, tmp |
|
|
VC2_CONTROL_DISPLAY_ENABLE |
|
|
VC2_CONTROL_VTIMING_ENABLE |
|
|
VC2_CONTROL_DID_ENABLE |
|
|
VC2_CONTROL_CURSORFUNC_ENABLE |
|
|
VC2_CONTROL_CURSOR_ENABLE);
|
|
|
|
/* Setup XMAP9s */
|
|
xmap9_write(dc, XMAP9_DCBCRS_CONFIG,
|
|
XMAP9_CONFIG_8BIT_SYSTEM | XMAP9_CONFIG_RGBMAP_CI);
|
|
|
|
xmap9_write(dc, XMAP9_DCBCRS_CURSOR_CMAP, 0);
|
|
|
|
xmap9_write_mode(dc, 0,
|
|
XMAP9_MODE_GAMMA_BYPASS |
|
|
XMAP9_MODE_PIXSIZE_8BPP);
|
|
xmap9_write(dc, XMAP9_DCBCRS_MODE_SELECT, 0);
|
|
|
|
/* Setup REX3 */
|
|
rex3_write(dc, REX3_REG_DRAWMODE1,
|
|
REX3_DRAWMODE1_PLANES_CI |
|
|
REX3_DRAWMODE1_DD_DD8 |
|
|
REX3_DRAWMODE1_RWPACKED |
|
|
REX3_DRAWMODE1_HD_HD8 |
|
|
REX3_DRAWMODE1_COMPARE_LT |
|
|
REX3_DRAWMODE1_COMPARE_EQ |
|
|
REX3_DRAWMODE1_COMPARE_GT |
|
|
REX3_DRAWMODE1_LO_SRC);
|
|
rex3_write(dc, REX3_REG_XYWIN, (4096 << 16) | 4096);
|
|
rex3_write(dc, REX3_REG_TOPSCAN, 0x3ff); /* XXX Why? XXX */
|
|
|
|
/* Setup CMAP */
|
|
for (i=0; i<16; i++)
|
|
newport_cmap_setrgb(dc, i, newport_defcmap[i*3],
|
|
newport_defcmap[i*3 + 1], newport_defcmap[i*3 + 2]);
|
|
}
|
|
|
|
/**** Attach routines ****/
|
|
static int
|
|
newport_match(struct device *parent, struct cfdata *self, void *aux)
|
|
{
|
|
struct gio_attach_args *ga = aux;
|
|
|
|
/* newport doesn't decode all addresses */
|
|
if (ga->ga_addr != 0x1f000000 && ga->ga_addr != 0x1f400000 &&
|
|
ga->ga_addr != 0x1f800000 && ga->ga_addr != 0x1fc00000)
|
|
return 0;
|
|
|
|
/* Don't do the destructive probe if we're already attached */
|
|
if (newport_is_console && ga->ga_addr == newport_console_dc.dc_addr)
|
|
return 1;
|
|
|
|
if (platform.badaddr(
|
|
(void *)(ga->ga_ioh + NEWPORT_REX3_OFFSET + REX3_REG_XSTARTI),
|
|
sizeof(uint32_t)))
|
|
return 0;
|
|
if (platform.badaddr(
|
|
(void *)(ga->ga_ioh + NEWPORT_REX3_OFFSET + REX3_REG_XSTART),
|
|
sizeof(uint32_t)))
|
|
return 0;
|
|
|
|
/* Ugly, this probe is destructive, blame SGI... */
|
|
/* XXX Should be bus_space_peek/bus_space_poke XXX */
|
|
bus_space_write_4(ga->ga_iot, ga->ga_ioh,
|
|
NEWPORT_REX3_OFFSET + REX3_REG_XSTARTI, 0x12345678);
|
|
if (bus_space_read_4(ga->ga_iot, ga->ga_ioh,
|
|
NEWPORT_REX3_OFFSET + REX3_REG_XSTART)
|
|
!= ((0x12345678 & 0xffff) << 11))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
newport_attach_common(struct newport_devconfig *dc, struct gio_attach_args *ga)
|
|
{
|
|
dc->dc_addr = ga->ga_addr;
|
|
|
|
dc->dc_st = ga->ga_iot;
|
|
dc->dc_sh = ga->ga_ioh;
|
|
|
|
wsfont_init();
|
|
|
|
dc->dc_font = wsfont_find(NULL, 8, 16, 0, WSDISPLAY_FONTORDER_L2R,
|
|
WSDISPLAY_FONTORDER_L2R);
|
|
if (dc->dc_font < 0)
|
|
panic("newport_attach_common: no suitable fonts");
|
|
|
|
if (wsfont_lock(dc->dc_font, &dc->dc_fontdata))
|
|
panic("newport_attach_common: unable to lock font data");
|
|
|
|
newport_setup_hw(dc);
|
|
|
|
newport_get_resolution(dc);
|
|
|
|
newport_fill_rectangle(dc, 0, 0, dc->dc_xres, dc->dc_yres, 0);
|
|
}
|
|
|
|
static void
|
|
newport_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct gio_attach_args *ga = aux;
|
|
struct newport_softc *sc = (void *)self;
|
|
struct wsemuldisplaydev_attach_args wa;
|
|
|
|
if (newport_is_console && ga->ga_addr == newport_console_dc.dc_addr) {
|
|
wa.console = 1;
|
|
sc->sc_dc = &newport_console_dc;
|
|
} else {
|
|
wa.console = 0;
|
|
sc->sc_dc = malloc(sizeof(struct newport_devconfig),
|
|
M_DEVBUF, M_WAITOK | M_ZERO);
|
|
if (sc->sc_dc == NULL)
|
|
panic("newport_attach: out of memory");
|
|
|
|
newport_attach_common(sc->sc_dc, ga);
|
|
}
|
|
|
|
aprint_naive(": Display adapter\n");
|
|
|
|
aprint_normal(": SGI NG1 (board revision %d, cmap revision %d, xmap revision %d, vc2 revision %d), depth %d\n",
|
|
sc->sc_dc->dc_boardrev, sc->sc_dc->dc_cmaprev,
|
|
sc->sc_dc->dc_xmaprev, sc->sc_dc->dc_vc2rev, sc->sc_dc->dc_depth);
|
|
|
|
wa.scrdata = &newport_screenlist;
|
|
wa.accessops = &newport_accessops;
|
|
wa.accesscookie = sc->sc_dc;
|
|
|
|
config_found(&sc->sc_dev, &wa, wsemuldisplaydevprint);
|
|
}
|
|
|
|
int
|
|
newport_cnattach(struct gio_attach_args *ga)
|
|
{
|
|
long defattr = NEWPORT_ATTR_ENCODE(WSCOL_WHITE, WSCOL_BLACK);
|
|
const struct wsscreen_descr *screen;
|
|
|
|
if (!newport_match(NULL, NULL, ga)) {
|
|
return ENXIO;
|
|
}
|
|
|
|
newport_attach_common(&newport_console_dc, ga);
|
|
|
|
if (newport_console_dc.dc_xres >= 1280 &&
|
|
newport_console_dc.dc_yres >= 1024)
|
|
screen = &newport_screen_1280x1024;
|
|
else
|
|
screen = &newport_screen_1024x768;
|
|
|
|
wsdisplay_cnattach(screen, &newport_console_dc, 0, 0, defattr);
|
|
|
|
newport_is_console = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**** wsdisplay textops ****/
|
|
static void
|
|
newport_cursor(void *c, int on, int row, int col)
|
|
{
|
|
struct newport_devconfig *dc = (void *)c;
|
|
uint16_t control;
|
|
int x_offset;
|
|
|
|
control = vc2_read_ireg(dc, VC2_IREG_CONTROL);
|
|
|
|
if (!on) {
|
|
vc2_write_ireg(dc, VC2_IREG_CONTROL,
|
|
control & ~VC2_CONTROL_CURSOR_ENABLE);
|
|
} else {
|
|
/* Work around bug in some board revisions */
|
|
if (dc->dc_boardrev < 6)
|
|
x_offset = 21;
|
|
else if (dc->dc_vc2rev == 0)
|
|
x_offset = 29;
|
|
else
|
|
x_offset = 31;
|
|
|
|
vc2_write_ireg(dc, VC2_IREG_CURSOR_X,
|
|
col * dc->dc_fontdata->fontwidth + x_offset);
|
|
vc2_write_ireg(dc, VC2_IREG_CURSOR_Y,
|
|
row * dc->dc_fontdata->fontheight + 31);
|
|
|
|
vc2_write_ireg(dc, VC2_IREG_CONTROL,
|
|
control | VC2_CONTROL_CURSOR_ENABLE);
|
|
}
|
|
}
|
|
|
|
static int
|
|
newport_mapchar(void *c, int ch, unsigned int *cp)
|
|
{
|
|
struct newport_devconfig *dc = (void *)c;
|
|
|
|
if (dc->dc_fontdata->encoding != WSDISPLAY_FONTENC_ISO) {
|
|
ch = wsfont_map_unichar(dc->dc_fontdata, ch);
|
|
|
|
if (ch < 0)
|
|
goto fail;
|
|
}
|
|
|
|
if (ch < dc->dc_fontdata->firstchar ||
|
|
ch >= dc->dc_fontdata->firstchar + dc->dc_fontdata->numchars)
|
|
goto fail;
|
|
|
|
*cp = ch;
|
|
return 5;
|
|
|
|
fail:
|
|
*cp = ' ';
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
newport_putchar(void *c, int row, int col, u_int ch, long attr)
|
|
{
|
|
struct newport_devconfig *dc = (void *)c;
|
|
struct wsdisplay_font *font = dc->dc_fontdata;
|
|
uint8_t *bitmap = (u_int8_t *)font->data + (ch - font->firstchar) *
|
|
font->fontheight * font->stride;
|
|
uint32_t pattern;
|
|
int i;
|
|
int x = col * font->fontwidth;
|
|
int y = row * font->fontheight;
|
|
|
|
rex3_wait_gfifo(dc);
|
|
|
|
rex3_write(dc, REX3_REG_DRAWMODE0, REX3_DRAWMODE0_OPCODE_DRAW |
|
|
REX3_DRAWMODE0_ADRMODE_BLOCK | REX3_DRAWMODE0_STOPONX |
|
|
REX3_DRAWMODE0_ENZPATTERN | REX3_DRAWMODE0_ZPOPAQUE);
|
|
|
|
rex3_write(dc, REX3_REG_XYSTARTI, (x << REX3_XYSTARTI_XSHIFT) | y);
|
|
rex3_write(dc, REX3_REG_XYENDI,
|
|
(x + font->fontwidth - 1) << REX3_XYENDI_XSHIFT);
|
|
|
|
rex3_write(dc, REX3_REG_COLORI, NEWPORT_ATTR_FG(attr));
|
|
rex3_write(dc, REX3_REG_COLORBACK, NEWPORT_ATTR_BG(attr));
|
|
|
|
rex3_write(dc, REX3_REG_WRMASK, 0xffffffff);
|
|
|
|
for (i=0; i<font->fontheight; i++) {
|
|
/* XXX Works only with font->fontwidth == 8 XXX */
|
|
pattern = *bitmap << 24;
|
|
|
|
rex3_write_go(dc, REX3_REG_ZPATTERN, pattern);
|
|
|
|
bitmap += font->stride;
|
|
}
|
|
}
|
|
|
|
static void
|
|
newport_copycols(void *c, int row, int srccol, int dstcol, int ncols)
|
|
{
|
|
struct newport_devconfig *dc = (void *)c;
|
|
struct wsdisplay_font *font = dc->dc_fontdata;
|
|
|
|
newport_copy_rectangle(dc,
|
|
srccol * font->fontwidth, /* x1 */
|
|
row * font->fontheight, /* y1 */
|
|
(srccol + ncols + 1) * font->fontwidth - 1, /* x2 */
|
|
(row + 1) * font->fontheight - 1, /* y2 */
|
|
dstcol * font->fontheight, /* dx */
|
|
row * font->fontheight); /* dy */
|
|
}
|
|
|
|
static void
|
|
newport_erasecols(void *c, int row, int startcol, int ncols,
|
|
long attr)
|
|
{
|
|
struct newport_devconfig *dc = (void *)c;
|
|
struct wsdisplay_font *font = dc->dc_fontdata;
|
|
|
|
newport_fill_rectangle(dc,
|
|
startcol * font->fontwidth, /* x1 */
|
|
row * font->fontheight, /* y1 */
|
|
(startcol + ncols + 1) * font->fontwidth - 1, /* x2 */
|
|
(row + 1) * font->fontheight - 1, /* y2 */
|
|
NEWPORT_ATTR_BG(attr));
|
|
}
|
|
|
|
static void
|
|
newport_copyrows(void *c, int srcrow, int dstrow, int nrows)
|
|
{
|
|
struct newport_devconfig *dc = (void *)c;
|
|
struct wsdisplay_font *font = dc->dc_fontdata;
|
|
|
|
newport_copy_rectangle(dc,
|
|
0, /* x1 */
|
|
srcrow * font->fontheight, /* y1 */
|
|
dc->dc_xres, /* x2 */
|
|
(srcrow + nrows + 1) * font->fontheight - 1, /* y2 */
|
|
0, /* dx */
|
|
dstrow * font->fontheight); /* dy */
|
|
}
|
|
|
|
static void
|
|
newport_eraserows(void *c, int startrow, int nrows, long attr)
|
|
{
|
|
struct newport_devconfig *dc = (void *)c;
|
|
struct wsdisplay_font *font = dc->dc_fontdata;
|
|
|
|
newport_fill_rectangle(dc,
|
|
0, /* x1 */
|
|
startrow * font->fontheight, /* y1 */
|
|
dc->dc_xres, /* x2 */
|
|
(startrow + nrows + 1) * font->fontheight - 1, /* y2 */
|
|
NEWPORT_ATTR_BG(attr));
|
|
}
|
|
|
|
static int
|
|
newport_allocattr(void *c, int fg, int bg, int flags, long *attr)
|
|
{
|
|
if (flags & WSATTR_BLINK)
|
|
return EINVAL;
|
|
|
|
if ((flags & WSATTR_WSCOLORS) == 0) {
|
|
fg = WSCOL_WHITE;
|
|
bg = WSCOL_BLACK;
|
|
}
|
|
|
|
if (flags & WSATTR_HILIT)
|
|
fg += 8;
|
|
|
|
if (flags & WSATTR_REVERSE) {
|
|
int tmp = fg;
|
|
fg = bg;
|
|
bg = tmp;
|
|
}
|
|
|
|
*attr = NEWPORT_ATTR_ENCODE(fg, bg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**** wsdisplay accessops ****/
|
|
|
|
static int
|
|
newport_ioctl(void *c, void *vs, u_long cmd, void *data, int flag,
|
|
struct lwp *l)
|
|
{
|
|
struct newport_softc *sc = c;
|
|
|
|
#define FBINFO (*(struct wsdisplay_fbinfo*)data)
|
|
|
|
switch (cmd) {
|
|
case WSDISPLAYIO_GINFO:
|
|
FBINFO.width = sc->sc_dc->dc_xres;
|
|
FBINFO.height = sc->sc_dc->dc_yres;
|
|
FBINFO.depth = sc->sc_dc->dc_depth;
|
|
FBINFO.cmsize = 1 << FBINFO.depth;
|
|
return 0;
|
|
case WSDISPLAYIO_GTYPE:
|
|
*(u_int *)data = WSDISPLAY_TYPE_NEWPORT;
|
|
return 0;
|
|
}
|
|
return EPASSTHROUGH;
|
|
}
|
|
|
|
static paddr_t
|
|
newport_mmap(void *c, void *vs, off_t offset, int prot)
|
|
{
|
|
struct newport_devconfig *dc = c;
|
|
|
|
if ( offset >= 0xfffff)
|
|
return -1;
|
|
|
|
return mips_btop(dc->dc_addr + offset);
|
|
}
|
|
|
|
static int
|
|
newport_alloc_screen(void *c, const struct wsscreen_descr *type, void **cookiep,
|
|
int *cursxp, int *cursyp, long *attrp)
|
|
{
|
|
/* This won't get called for console screen and we don't support
|
|
* virtual screens */
|
|
|
|
return ENOMEM;
|
|
}
|
|
|
|
static void
|
|
newport_free_screen(void *c, void *cookie)
|
|
{
|
|
panic("newport_free_screen");
|
|
}
|
|
static int
|
|
newport_show_screen(void *c, void *cookie, int waitok,
|
|
void (*cb)(void *, int, int), void *cbarg)
|
|
{
|
|
return 0;
|
|
}
|