1080 lines
28 KiB
C
1080 lines
28 KiB
C
/* $NetBSD: agten.c,v 1.22 2009/09/17 16:39:48 tsutsui Exp $ */
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/*-
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* Copyright (c) 2007 Michael Lorenz
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: agten.c,v 1.22 2009/09/17 16:39:48 tsutsui Exp $");
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/*
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* a driver for the Fujitsu AG-10e SBus framebuffer
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*
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* this thing is Frankenstein's Monster among graphics boards.
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* it contains three graphics chips:
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* a GLint - 24bit stuff, double-buffered
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* an Imagine 128 which provides an 8bit overlay
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* a Weitek P9100 which provides WIDs
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* so here we need to mess only with the P9100 and the I128 - for X we just
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* hide the overlay and let the Xserver mess with the GLint
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*/
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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/proc.h>
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#include <sys/mutex.h>
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#include <sys/ioctl.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <dev/sun/fbio.h>
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#include <dev/sun/fbvar.h>
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#include <dev/sun/btreg.h>
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#include <dev/sun/btvar.h>
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#include <sys/bus.h>
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#include <machine/autoconf.h>
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#include <dev/sbus/sbusvar.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/rasops/rasops.h>
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#include <dev/wsfont/wsfont.h>
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#include <dev/wscons/wsdisplay_vconsvar.h>
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#include <dev/sbus/p9100reg.h>
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#include <dev/ic/ibm561reg.h>
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#include <dev/ic/i128reg.h>
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#include <dev/ic/i128var.h>
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#include "opt_agten.h"
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#include "ioconf.h"
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static int agten_match(device_t, cfdata_t, void *);
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static void agten_attach(device_t, device_t, void *);
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static int agten_ioctl(void *, void *, u_long, void *, int, struct lwp *);
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static paddr_t agten_mmap(void *, void *, off_t, int);
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static void agten_init_screen(void *, struct vcons_screen *, int, long *);
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struct agten_softc {
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device_t sc_dev; /* base device */
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struct fbdevice sc_fb; /* frame buffer device */
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struct vcons_screen sc_console_screen;
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struct wsscreen_descr sc_defaultscreen_descr;
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const struct wsscreen_descr *sc_screens[1];
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struct wsscreen_list sc_screenlist;
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bus_space_tag_t sc_bustag;
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bus_space_handle_t sc_i128_fbh;
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bus_size_t sc_i128_fbsz;
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bus_space_handle_t sc_i128_regh;
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bus_space_handle_t sc_p9100_regh;
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bus_addr_t sc_glint_fb;
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bus_addr_t sc_glint_regs;
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uint32_t sc_glint_fbsz;
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uint32_t sc_width;
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uint32_t sc_height; /* panel width / height */
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uint32_t sc_stride;
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uint32_t sc_depth;
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int sc_cursor_x;
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int sc_cursor_y;
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int sc_video; /* video output enabled */
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/* some /dev/fb* stuff */
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int sc_fb_is_open;
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union bt_cmap sc_cmap; /* Brooktree color map */
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int sc_mode;
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uint32_t sc_bg;
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struct vcons_data vd;
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};
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CFATTACH_DECL_NEW(agten, sizeof(struct agten_softc),
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agten_match, agten_attach, NULL, NULL);
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static int agten_putcmap(struct agten_softc *, struct wsdisplay_cmap *);
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static int agten_getcmap(struct agten_softc *, struct wsdisplay_cmap *);
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static int agten_putpalreg(struct agten_softc *, uint8_t, uint8_t,
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uint8_t, uint8_t);
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static void agten_init(struct agten_softc *);
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static void agten_gfx(struct agten_softc *);
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static void agten_set_video(struct agten_softc *, int);
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static int agten_get_video(struct agten_softc *);
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static void agten_copycols(void *, int, int, int, int);
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static void agten_erasecols(void *, int, int, int, long);
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static void agten_copyrows(void *, int, int, int);
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static void agten_eraserows(void *, int, int, long);
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static void agten_move_cursor(struct agten_softc *, int, int);
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static int agten_do_cursor(struct agten_softc *sc,
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struct wsdisplay_cursor *);
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static int agten_do_sun_cursor(struct agten_softc *sc,
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struct fbcursor *);
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static uint16_t util_interleave(uint8_t, uint8_t);
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static uint16_t util_interleave_lin(uint8_t, uint8_t);
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extern const u_char rasops_cmap[768];
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struct wsdisplay_accessops agten_accessops = {
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agten_ioctl,
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agten_mmap,
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NULL, /* alloc_screen */
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NULL, /* free_screen */
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NULL, /* show_screen */
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NULL, /* load_font */
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NULL, /* pollc */
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NULL /* scroll */
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};
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/* /dev/fb* stuff */
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static int agten_fb_open(dev_t, int, int, struct lwp *);
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static int agten_fb_close(dev_t, int, int, struct lwp *);
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static int agten_fb_ioctl(dev_t, u_long, void *, int, struct lwp *);
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static paddr_t agten_fb_mmap(dev_t, off_t, int);
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static void agten_fb_unblank(device_t);
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static struct fbdriver agtenfbdriver = {
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agten_fb_unblank, agten_fb_open, agten_fb_close, agten_fb_ioctl,
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nopoll, agten_fb_mmap, nokqfilter
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};
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static inline void
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agten_write_dac(struct agten_softc *sc, int reg, uint8_t val)
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{
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bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh,
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0x200 + (reg << 2), (uint32_t)val << 16);
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}
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static inline void
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agten_write_idx(struct agten_softc *sc, int offset)
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{
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bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh,
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0x200 + (IBM561_ADDR_LOW << 2), (offset & 0xff) << 16);
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bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh,
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0x200 + (IBM561_ADDR_HIGH << 2), ((offset >> 8) & 0xff) << 16);
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}
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static inline void
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agten_write_dac_10(struct agten_softc *sc, int reg, uint16_t val)
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{
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agten_write_dac(sc, reg, (val >> 2) & 0xff);
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agten_write_dac(sc, reg, (val & 0x3) << 6);
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}
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static int
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agten_match(device_t dev, cfdata_t cf, void *aux)
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{
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struct sbus_attach_args *sa = aux;
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if (strcmp("PFU,aga", sa->sa_name) == 0)
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return 100;
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return 0;
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}
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static void
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agten_attach(device_t parent, device_t dev, void *aux)
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{
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struct agten_softc *sc = device_private(dev);
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struct sbus_attach_args *sa = aux;
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struct fbdevice *fb = &sc->sc_fb;
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struct wsemuldisplaydev_attach_args aa;
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struct rasops_info *ri;
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long defattr;
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uint32_t reg;
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int node = sa->sa_node;
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int console;
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sc->sc_dev = dev;
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sc->sc_defaultscreen_descr = (struct wsscreen_descr){
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"default",
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0, 0,
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NULL,
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8, 16,
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WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
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NULL
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};
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sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
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sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
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sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
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sc->sc_fb_is_open = 0;
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sc->sc_video = -1;
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sc->sc_bustag = sa->sa_bustag;
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sc->sc_width = prom_getpropint(node, "ffb_width", 1152);
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sc->sc_height = prom_getpropint(node, "ffb_height", 900);
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sc->sc_depth = prom_getpropint(node, "ffb_depth", 8);
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sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3);
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reg = prom_getpropint(node, "i128_fb_physaddr", -1);
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sc->sc_i128_fbsz = prom_getpropint(node, "i128_fb_size", -1);
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if (sbus_bus_map(sc->sc_bustag,
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sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg,
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sc->sc_stride * sc->sc_height,
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BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE,
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&sc->sc_i128_fbh) != 0) {
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aprint_error_dev(dev, "unable to map the framebuffer\n");
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return;
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}
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fb->fb_pixels = bus_space_vaddr(sc->sc_bustag, sc->sc_i128_fbh);
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reg = prom_getpropint(node, "i128_reg_physaddr", -1);
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if (sbus_bus_map(sc->sc_bustag,
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sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg,
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0x10000, 0, &sc->sc_i128_regh) != 0) {
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aprint_error_dev(dev, "unable to map I128 registers\n");
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return;
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}
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reg = prom_getpropint(node, "p9100_reg_physaddr", -1);
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if (sbus_bus_map(sc->sc_bustag,
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sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg,
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0x8000, 0, &sc->sc_p9100_regh) != 0) {
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aprint_error_dev(dev, "unable to map P9100 registers\n");
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return;
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}
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reg = prom_getpropint(node, "glint_fb0_physaddr", -1);
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sc->sc_glint_fb = sbus_bus_addr(sc->sc_bustag,
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sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg);
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sc->sc_glint_fbsz = prom_getpropint(node, "glint_lb_size", -1);
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reg = prom_getpropint(node, "glint_reg_physaddr", -1);
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sc->sc_glint_regs = sbus_bus_addr(sc->sc_bustag,
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sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg);
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#if 0
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bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO,
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agten_intr, sc);
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#endif
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printf(": %dx%d\n", sc->sc_width, sc->sc_height);
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agten_init(sc);
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console = fb_is_console(node);
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vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
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&agten_accessops);
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sc->vd.init_screen = agten_init_screen;
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ri = &sc->sc_console_screen.scr_ri;
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if (console) {
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vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
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&defattr);
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sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
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sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
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sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
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sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
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sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
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wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
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defattr);
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i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0,
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sc->sc_width, sc->sc_height,
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ri->ri_devcmap[(defattr >> 16) & 0xff]);
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vcons_replay_msgbuf(&sc->sc_console_screen);
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} else {
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/*
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* since we're not the console we can postpone the rest
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* until someone actually allocates a screen for us
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*/
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}
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/* Initialize the default color map. */
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aa.console = console;
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aa.scrdata = &sc->sc_screenlist;
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aa.accessops = &agten_accessops;
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aa.accesscookie = &sc->vd;
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config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
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fb->fb_driver = &agtenfbdriver;
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fb->fb_device = sc->sc_dev;
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fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK;
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fb->fb_type.fb_type = FBTYPE_AG10E;
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fb->fb_type.fb_cmsize = 256; /* doesn't matter, we're always 24bit */
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fb->fb_type.fb_size = sc->sc_glint_fbsz;
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fb->fb_type.fb_width = sc->sc_width;
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fb->fb_type.fb_height = sc->sc_height;
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fb->fb_type.fb_depth = 32;
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fb->fb_linebytes = sc->sc_stride << 2;
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fb_attach(fb, console);
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agten_set_video(sc, 1); /* make sure video's on */
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}
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static int
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agten_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
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struct lwp *l)
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{
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struct vcons_data *vd = v;
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struct agten_softc *sc = vd->cookie;
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struct wsdisplay_fbinfo *wdf;
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struct vcons_screen *ms = vd->active;
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switch (cmd) {
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case WSDISPLAYIO_GTYPE:
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*(u_int *)data = WSDISPLAY_TYPE_AG10;
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return 0;
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case WSDISPLAYIO_GINFO:
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if (ms == NULL)
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return ENODEV;
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wdf = (void *)data;
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wdf->height = ms->scr_ri.ri_height;
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wdf->width = ms->scr_ri.ri_width;
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wdf->depth = 32;
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wdf->cmsize = 256;
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return 0;
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case WSDISPLAYIO_GVIDEO:
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*(int *)data = sc->sc_video;
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return 0;
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case WSDISPLAYIO_SVIDEO:
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agten_set_video(sc, *(int *)data);
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return 0;
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case WSDISPLAYIO_GETCMAP:
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return agten_getcmap(sc,
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(struct wsdisplay_cmap *)data);
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case WSDISPLAYIO_PUTCMAP:
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return agten_putcmap(sc,
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(struct wsdisplay_cmap *)data);
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case WSDISPLAYIO_LINEBYTES:
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*(u_int *)data = sc->sc_stride << 2;
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return 0;
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case WSDISPLAYIO_SMODE:
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{
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int new_mode = *(int*)data;
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if (new_mode != sc->sc_mode) {
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sc->sc_mode = new_mode;
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if(new_mode == WSDISPLAYIO_MODE_EMUL) {
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agten_init(sc);
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vcons_redraw_screen(ms);
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} else {
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agten_gfx(sc);
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}
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}
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}
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return 0;
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case WSDISPLAYIO_GCURPOS:
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{
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struct wsdisplay_curpos *cp = (void *)data;
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cp->x = sc->sc_cursor_x;
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cp->y = sc->sc_cursor_y;
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}
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return 0;
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case WSDISPLAYIO_SCURPOS:
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{
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struct wsdisplay_curpos *cp = (void *)data;
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agten_move_cursor(sc, cp->x, cp->y);
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}
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return 0;
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case WSDISPLAYIO_GCURMAX:
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{
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struct wsdisplay_curpos *cp = (void *)data;
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cp->x = 64;
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cp->y = 64;
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}
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return 0;
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case WSDISPLAYIO_SCURSOR:
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{
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struct wsdisplay_cursor *cursor = (void *)data;
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return agten_do_cursor(sc, cursor);
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}
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}
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return EPASSTHROUGH;
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}
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static paddr_t
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agten_mmap(void *v, void *vs, off_t offset, int prot)
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{
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struct vcons_data *vd = v;
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struct agten_softc *sc = vd->cookie;
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if (offset < sc->sc_glint_fbsz)
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return bus_space_mmap(sc->sc_bustag, sc->sc_glint_fb, offset,
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prot, BUS_SPACE_MAP_LINEAR);
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return -1;
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}
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static void
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agten_init_screen(void *cookie, struct vcons_screen *scr,
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int existing, long *defattr)
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{
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struct agten_softc *sc = cookie;
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struct rasops_info *ri = &scr->scr_ri;
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ri->ri_depth = sc->sc_depth;
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ri->ri_width = sc->sc_width;
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ri->ri_height = sc->sc_height;
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ri->ri_stride = sc->sc_stride;
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ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
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|
|
|
ri->ri_bits = (char *)sc->sc_fb.fb_pixels;
|
|
|
|
if (existing) {
|
|
ri->ri_flg |= RI_CLEAR;
|
|
}
|
|
|
|
rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8);
|
|
ri->ri_caps = WSSCREEN_WSCOLORS;
|
|
|
|
rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
|
|
sc->sc_width / ri->ri_font->fontwidth);
|
|
|
|
ri->ri_hw = scr;
|
|
ri->ri_ops.copyrows = agten_copyrows;
|
|
ri->ri_ops.eraserows = agten_eraserows;
|
|
ri->ri_ops.copycols = agten_copycols;
|
|
ri->ri_ops.erasecols = agten_erasecols;
|
|
|
|
}
|
|
|
|
static int
|
|
agten_putcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm)
|
|
{
|
|
u_int index = cm->index;
|
|
u_int count = cm->count;
|
|
int i, error;
|
|
u_char rbuf[256], gbuf[256], bbuf[256];
|
|
u_char *r, *g, *b;
|
|
|
|
if (cm->index >= 256 || cm->count > 256 ||
|
|
(cm->index + cm->count) > 256)
|
|
return EINVAL;
|
|
error = copyin(cm->red, &rbuf[index], count);
|
|
if (error)
|
|
return error;
|
|
error = copyin(cm->green, &gbuf[index], count);
|
|
if (error)
|
|
return error;
|
|
error = copyin(cm->blue, &bbuf[index], count);
|
|
if (error)
|
|
return error;
|
|
|
|
r = &rbuf[index];
|
|
g = &gbuf[index];
|
|
b = &bbuf[index];
|
|
|
|
for (i = 0; i < count; i++) {
|
|
agten_putpalreg(sc, index, *r, *g, *b);
|
|
index++;
|
|
r++, g++, b++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
agten_getcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm)
|
|
{
|
|
u_int index = cm->index;
|
|
u_int count = cm->count;
|
|
int error, i;
|
|
uint8_t red[256], green[256], blue[256];
|
|
|
|
if (index >= 255 || count > 256 || index + count > 256)
|
|
return EINVAL;
|
|
|
|
i = index;
|
|
while (i < (index + count)) {
|
|
red[i] = sc->sc_cmap.cm_map[i][0];
|
|
green[i] = sc->sc_cmap.cm_map[i][1];
|
|
blue[i] = sc->sc_cmap.cm_map[i][2];
|
|
i++;
|
|
}
|
|
error = copyout(&red[index], cm->red, count);
|
|
if (error)
|
|
return error;
|
|
error = copyout(&green[index], cm->green, count);
|
|
if (error)
|
|
return error;
|
|
error = copyout(&blue[index], cm->blue, count);
|
|
if (error)
|
|
return error;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
agten_putpalreg(struct agten_softc *sc, uint8_t idx, uint8_t r, uint8_t g,
|
|
uint8_t b)
|
|
{
|
|
|
|
sc->sc_cmap.cm_map[idx][0] = r;
|
|
sc->sc_cmap.cm_map[idx][1] = g;
|
|
sc->sc_cmap.cm_map[idx][2] = b;
|
|
agten_write_idx(sc, IBM561_CMAP_TABLE + idx);
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, r);
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, g);
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, b);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
agten_init(struct agten_softc *sc)
|
|
{
|
|
int i, j;
|
|
uint32_t src, srcw;
|
|
volatile uint32_t junk;
|
|
|
|
/* first we set up the colour map */
|
|
j = 0;
|
|
for (i = 0; i < 256; i++) {
|
|
|
|
agten_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1],
|
|
rasops_cmap[j + 2]);
|
|
j += 3;
|
|
}
|
|
|
|
/* then we set up a linear LUT for 24bit colour */
|
|
agten_write_idx(sc, IBM561_CMAP_TABLE + 256);
|
|
for (i = 0; i < 256; i++) {
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, i);
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, i);
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, i);
|
|
}
|
|
|
|
/* and the linear gamma maps */
|
|
agten_write_idx(sc, IBM561_RED_GAMMA_TABLE);
|
|
for (i = 0; i < 0x3ff; i+= 4)
|
|
agten_write_dac_10(sc, IBM561_CMD_GAMMA, i);
|
|
agten_write_idx(sc, IBM561_GREEN_GAMMA_TABLE);
|
|
for (i = 0; i < 0x3ff; i+= 4)
|
|
agten_write_dac_10(sc, IBM561_CMD_GAMMA, i);
|
|
agten_write_idx(sc, IBM561_BLUE_GAMMA_TABLE);
|
|
for (i = 0; i < 0x3ff; i+= 4)
|
|
agten_write_dac_10(sc, IBM561_CMD_GAMMA, i);
|
|
|
|
/* enable outputs, RGB mode */
|
|
agten_write_idx(sc, IBM561_CONFIG_REG3);
|
|
agten_write_dac(sc, IBM561_CMD, CR3_SERIAL_CLK_CTRL | CR3_RGB);
|
|
|
|
/* MUX 4:1 basic, 8bit overlay, 8bit WIDs */
|
|
agten_write_idx(sc, IBM561_CONFIG_REG1);
|
|
agten_write_dac(sc, IBM561_CMD, CR1_MODE_4_1_BASIC | CR1_OVL_8BPP |
|
|
CR1_WID_8);
|
|
|
|
/* use external clock, enable video output */
|
|
agten_write_idx(sc, IBM561_CONFIG_REG2);
|
|
agten_write_dac(sc, IBM561_CMD, CR2_ENABLE_CLC | CR2_PLL_REF_SELECT |
|
|
CR2_PIXEL_CLOCK_SELECT | CR2_ENABLE_RGB_OUTPUT);
|
|
|
|
/* now set up some window attributes */
|
|
|
|
/*
|
|
* direct colour, 24 bit, transparency off, LUT from 0x100
|
|
* we need to use direct colour and a linear LUT because for some
|
|
* reason true color mode gives messed up colours
|
|
*/
|
|
agten_write_idx(sc, IBM561_FB_WINTYPE);
|
|
agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x100 | FB_PIXEL_24BIT |
|
|
FB_MODE_DIRECT);
|
|
|
|
/* use gamma LUTs, no crosshair, 0 is transparent */
|
|
agten_write_idx(sc, IBM561_AUXFB_WINTYPE);
|
|
agten_write_dac(sc, IBM561_CMD_FB_WAT, 0x0);
|
|
|
|
/* overlay is 8 bit, opaque */
|
|
agten_write_idx(sc, IBM561_OL_WINTYPE);
|
|
agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x00);
|
|
|
|
/* now we fill the WID fb with zeroes */
|
|
src = 0;
|
|
srcw = sc->sc_width << 16 | sc->sc_height;
|
|
bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, FOREGROUND_COLOR,
|
|
0x0);
|
|
bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, BACKGROUND_COLOR,
|
|
0x0);
|
|
bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RASTER_OP, ROP_PAT);
|
|
bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, COORD_INDEX, 0);
|
|
bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, src);
|
|
bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, srcw);
|
|
junk = bus_space_read_4(sc->sc_bustag, sc->sc_p9100_regh, COMMAND_QUAD);
|
|
|
|
/* initialize the cursor registers */
|
|
|
|
/* initialize the Imagine 128 */
|
|
i128_init(sc->sc_bustag, sc->sc_i128_regh, sc->sc_stride, 8);
|
|
}
|
|
|
|
static void
|
|
agten_gfx(struct agten_softc *sc)
|
|
{
|
|
/* enable overlay transparency on colour 0x00 */
|
|
agten_write_idx(sc, IBM561_OL_WINTYPE);
|
|
agten_write_dac_10(sc, IBM561_CMD_FB_WAT, OL_MODE_TRANSP_ENABLE);
|
|
|
|
/* then blit the overlay full of 0x00 */
|
|
i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, sc->sc_width,
|
|
sc->sc_height, 0);
|
|
|
|
/* ... so we can see the 24bit framebuffer */
|
|
}
|
|
|
|
static void
|
|
agten_set_video(struct agten_softc *sc, int flag)
|
|
{
|
|
uint8_t reg =
|
|
CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | CR2_PIXEL_CLOCK_SELECT;
|
|
|
|
if (flag == sc->sc_video)
|
|
return;
|
|
|
|
agten_write_idx(sc, IBM561_CONFIG_REG2);
|
|
agten_write_dac(sc, IBM561_CMD, flag ? reg | CR2_ENABLE_RGB_OUTPUT :
|
|
reg);
|
|
|
|
sc->sc_video = flag;
|
|
}
|
|
|
|
static int
|
|
agten_get_video(struct agten_softc *sc)
|
|
{
|
|
|
|
return sc->sc_video;
|
|
}
|
|
|
|
static void
|
|
agten_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
|
|
{
|
|
struct rasops_info *ri = cookie;
|
|
struct vcons_screen *scr = ri->ri_hw;
|
|
struct agten_softc *sc = scr->scr_cookie;
|
|
int32_t xs, xd, y, width, height;
|
|
|
|
xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
|
|
xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
|
|
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
|
|
width = ri->ri_font->fontwidth * ncols;
|
|
height = ri->ri_font->fontheight;
|
|
i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, xs, y, xd, y, width,
|
|
height, CR_COPY);
|
|
}
|
|
|
|
static void
|
|
agten_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
|
|
{
|
|
struct rasops_info *ri = cookie;
|
|
struct vcons_screen *scr = ri->ri_hw;
|
|
struct agten_softc *sc = scr->scr_cookie;
|
|
int32_t x, y, width, height, bg;
|
|
|
|
x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
|
|
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
|
|
width = ri->ri_font->fontwidth * ncols;
|
|
height = ri->ri_font->fontheight;
|
|
bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
|
|
i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg);
|
|
}
|
|
|
|
static void
|
|
agten_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
|
|
{
|
|
struct rasops_info *ri = cookie;
|
|
struct vcons_screen *scr = ri->ri_hw;
|
|
struct agten_softc *sc = scr->scr_cookie;
|
|
int32_t x, ys, yd, width, height;
|
|
|
|
x = ri->ri_xorigin;
|
|
ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
|
|
yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
|
|
width = ri->ri_emuwidth;
|
|
height = ri->ri_font->fontheight * nrows;
|
|
i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, x, ys, x, yd, width,
|
|
height, CR_COPY);
|
|
}
|
|
|
|
static void
|
|
agten_eraserows(void *cookie, int row, int nrows, long fillattr)
|
|
{
|
|
struct rasops_info *ri = cookie;
|
|
struct vcons_screen *scr = ri->ri_hw;
|
|
struct agten_softc *sc = scr->scr_cookie;
|
|
int32_t x, y, width, height, bg;
|
|
|
|
if ((row == 0) && (nrows == ri->ri_rows)) {
|
|
x = y = 0;
|
|
width = ri->ri_width;
|
|
height = ri->ri_height;
|
|
} else {
|
|
x = ri->ri_xorigin;
|
|
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
|
|
width = ri->ri_emuwidth;
|
|
height = ri->ri_font->fontheight * nrows;
|
|
}
|
|
bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
|
|
i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg);
|
|
}
|
|
|
|
static void
|
|
agten_move_cursor(struct agten_softc *sc, int x, int y)
|
|
{
|
|
|
|
sc->sc_cursor_x = x;
|
|
sc->sc_cursor_y = y;
|
|
agten_write_idx(sc, IBM561_CURSOR_X_REG);
|
|
agten_write_dac(sc, IBM561_CMD, x & 0xff);
|
|
agten_write_dac(sc, IBM561_CMD, (x >> 8) & 0xff);
|
|
agten_write_dac(sc, IBM561_CMD, y & 0xff);
|
|
agten_write_dac(sc, IBM561_CMD, (y >> 8) & 0xff);
|
|
}
|
|
|
|
static int
|
|
agten_do_cursor(struct agten_softc *sc, struct wsdisplay_cursor *cur)
|
|
{
|
|
if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
|
|
|
|
agten_write_idx(sc, IBM561_CURS_CNTL_REG);
|
|
agten_write_dac(sc, IBM561_CMD, cur->enable ?
|
|
CURS_ENABLE : 0);
|
|
}
|
|
if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
|
|
|
|
agten_write_idx(sc, IBM561_HOTSPOT_X_REG);
|
|
agten_write_dac(sc, IBM561_CMD, cur->hot.x);
|
|
agten_write_dac(sc, IBM561_CMD, cur->hot.y);
|
|
}
|
|
if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
|
|
|
|
agten_move_cursor(sc, cur->pos.x, cur->pos.y);
|
|
}
|
|
if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
|
|
int i;
|
|
|
|
agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2);
|
|
for (i = 0; i < cur->cmap.count; i++) {
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]);
|
|
agten_write_dac(sc, IBM561_CMD_CMAP,
|
|
cur->cmap.green[i]);
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]);
|
|
}
|
|
}
|
|
if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
int i;
|
|
uint16_t tmp;
|
|
|
|
agten_write_idx(sc, IBM561_CURSOR_BITMAP);
|
|
for (i = 0; i < 512; i++) {
|
|
tmp = util_interleave(cur->mask[i], cur->image[i]);
|
|
agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff);
|
|
agten_write_dac(sc, IBM561_CMD, tmp & 0xff);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
agten_do_sun_cursor(struct agten_softc *sc, struct fbcursor *cur)
|
|
{
|
|
if (cur->set & FB_CUR_SETCUR) {
|
|
|
|
agten_write_idx(sc, IBM561_CURS_CNTL_REG);
|
|
agten_write_dac(sc, IBM561_CMD, cur->enable ?
|
|
CURS_ENABLE : 0);
|
|
}
|
|
if (cur->set & FB_CUR_SETHOT) {
|
|
|
|
agten_write_idx(sc, IBM561_HOTSPOT_X_REG);
|
|
agten_write_dac(sc, IBM561_CMD, cur->hot.x);
|
|
agten_write_dac(sc, IBM561_CMD, cur->hot.y);
|
|
}
|
|
if (cur->set & FB_CUR_SETPOS) {
|
|
|
|
agten_move_cursor(sc, cur->pos.x, cur->pos.y);
|
|
}
|
|
if (cur->set & FB_CUR_SETCMAP) {
|
|
int i;
|
|
|
|
agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2);
|
|
for (i = 0; i < cur->cmap.count; i++) {
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]);
|
|
agten_write_dac(sc, IBM561_CMD_CMAP,
|
|
cur->cmap.green[i]);
|
|
agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]);
|
|
}
|
|
}
|
|
if (cur->set & FB_CUR_SETSHAPE) {
|
|
int i;
|
|
uint16_t tmp;
|
|
|
|
agten_write_idx(sc, IBM561_CURSOR_BITMAP);
|
|
for (i = 0; i < 512; i++) {
|
|
tmp = util_interleave_lin(cur->mask[i], cur->image[i]);
|
|
agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff);
|
|
agten_write_dac(sc, IBM561_CMD, tmp & 0xff);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
uint16_t
|
|
util_interleave(uint8_t b1, uint8_t b2)
|
|
{
|
|
int i;
|
|
uint16_t ret = 0;
|
|
uint16_t mask = 0x8000;
|
|
uint8_t mask8 = 0x01;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (b1 & mask8)
|
|
ret |= mask;
|
|
mask = mask >> 1;
|
|
if (b2 & mask8)
|
|
ret |= mask;
|
|
mask = mask >> 1;
|
|
mask8 = mask8 << 1;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
uint16_t
|
|
util_interleave_lin(uint8_t b1, uint8_t b2)
|
|
{
|
|
int i;
|
|
uint16_t ret = 0;
|
|
uint16_t mask = 0x8000;
|
|
uint8_t mask8 = 0x80;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (b1 & mask8)
|
|
ret |= mask;
|
|
mask = mask >> 1;
|
|
if (b2 & mask8)
|
|
ret |= mask;
|
|
mask = mask >> 1;
|
|
mask8 = mask8 >> 1;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* and now the /dev/fb* stuff */
|
|
static void
|
|
agten_fb_unblank(device_t dev)
|
|
{
|
|
struct agten_softc *sc = device_private(dev);
|
|
|
|
agten_init(sc);
|
|
agten_set_video(sc, 1);
|
|
}
|
|
|
|
static int
|
|
agten_fb_open(dev_t dev, int flags, int mode, struct lwp *l)
|
|
{
|
|
struct agten_softc *sc;
|
|
|
|
sc = device_lookup_private(&agten_cd, minor(dev));
|
|
if (sc == NULL)
|
|
return (ENXIO);
|
|
if (sc->sc_fb_is_open)
|
|
return 0;
|
|
|
|
sc->sc_fb_is_open++;
|
|
agten_gfx(sc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
agten_fb_close(dev_t dev, int flags, int mode, struct lwp *l)
|
|
{
|
|
struct agten_softc *sc;
|
|
|
|
sc = device_lookup_private(&agten_cd, minor(dev));
|
|
|
|
sc->sc_fb_is_open--;
|
|
if (sc->sc_fb_is_open < 0)
|
|
sc->sc_fb_is_open = 0;
|
|
|
|
if (sc->sc_fb_is_open == 0) {
|
|
agten_init(sc);
|
|
vcons_redraw_screen(sc->vd.active);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
agten_fb_ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l)
|
|
{
|
|
struct agten_softc *sc = device_lookup_private(&agten_cd, minor(dev));
|
|
struct fbgattr *fba;
|
|
int error;
|
|
|
|
switch (cmd) {
|
|
|
|
case FBIOGTYPE:
|
|
*(struct fbtype *)data = sc->sc_fb.fb_type;
|
|
break;
|
|
|
|
case FBIOGATTR:
|
|
fba = (struct fbgattr *)data;
|
|
fba->real_type = sc->sc_fb.fb_type.fb_type;
|
|
fba->owner = 0; /* XXX ??? */
|
|
fba->fbtype = sc->sc_fb.fb_type;
|
|
fba->sattr.flags = 0;
|
|
fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type;
|
|
fba->sattr.dev_specific[0] = -1;
|
|
fba->emu_types[0] = sc->sc_fb.fb_type.fb_type;
|
|
fba->emu_types[1] = -1;
|
|
break;
|
|
|
|
case FBIOGETCMAP:
|
|
#define p ((struct fbcmap *)data)
|
|
return (bt_getcmap(p, &sc->sc_cmap, 256, 1));
|
|
|
|
case FBIOPUTCMAP:
|
|
/* copy to software map */
|
|
error = bt_putcmap(p, &sc->sc_cmap, 256, 1);
|
|
if (error)
|
|
return (error);
|
|
/* now blast them into the chip */
|
|
/* don't bother - we're 24bit */
|
|
#undef p
|
|
break;
|
|
|
|
case FBIOGVIDEO:
|
|
*(int *)data = agten_get_video(sc);
|
|
break;
|
|
|
|
case FBIOSVIDEO:
|
|
agten_set_video(sc, *(int *)data);
|
|
break;
|
|
|
|
/* these are for both FBIOSCURSOR and FBIOGCURSOR */
|
|
#define p ((struct fbcursor *)data)
|
|
#define pc (&sc->sc_cursor)
|
|
|
|
case FBIOGCURSOR:
|
|
/* does anyone use this ioctl?! */
|
|
p->set = FB_CUR_SETALL; /* close enough, anyway */
|
|
p->enable = 1;
|
|
p->pos.x = sc->sc_cursor_x;
|
|
p->pos.y = sc->sc_cursor_y;
|
|
p->size.x = 64;
|
|
p->size.y = 64;
|
|
break;
|
|
|
|
case FBIOSCURSOR:
|
|
agten_do_sun_cursor(sc, p);
|
|
break;
|
|
|
|
#undef p
|
|
#undef cc
|
|
|
|
case FBIOGCURPOS:
|
|
{
|
|
struct fbcurpos *cp = (struct fbcurpos *)data;
|
|
cp->x = sc->sc_cursor_x;
|
|
cp->y = sc->sc_cursor_y;
|
|
}
|
|
break;
|
|
|
|
case FBIOSCURPOS:
|
|
{
|
|
struct fbcurpos *cp = (struct fbcurpos *)data;
|
|
agten_move_cursor(sc, cp->x, cp->y);
|
|
}
|
|
break;
|
|
|
|
case FBIOGCURMAX:
|
|
/* max cursor size is 64x64 */
|
|
((struct fbcurpos *)data)->x = 64;
|
|
((struct fbcurpos *)data)->y = 64;
|
|
break;
|
|
|
|
default:
|
|
return (ENOTTY);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static paddr_t
|
|
agten_fb_mmap(dev_t dev, off_t off, int prot)
|
|
{
|
|
struct agten_softc *sc = device_lookup_private(&agten_cd, minor(dev));
|
|
|
|
/*
|
|
* mappings are subject to change
|
|
* for now we put the framebuffer at offset 0 and the GLint registers
|
|
* right after that. We may want to expose more register ranges and
|
|
* probably will want to map the 2nd framebuffer as well
|
|
*/
|
|
|
|
if (off < 0)
|
|
return EINVAL;
|
|
|
|
if (off >= sc->sc_glint_fbsz + 0x10000)
|
|
return EINVAL;
|
|
|
|
if (off < sc->sc_glint_fbsz) {
|
|
return (bus_space_mmap(sc->sc_bustag,
|
|
sc->sc_glint_fb,
|
|
off,
|
|
prot,
|
|
BUS_SPACE_MAP_LINEAR));
|
|
}
|
|
|
|
off -= sc->sc_glint_fbsz;
|
|
if (off < 0x10000) {
|
|
return (bus_space_mmap(sc->sc_bustag,
|
|
sc->sc_glint_regs,
|
|
off,
|
|
prot,
|
|
BUS_SPACE_MAP_LINEAR));
|
|
}
|
|
return EINVAL;
|
|
}
|