726 lines
18 KiB
C
726 lines
18 KiB
C
/* $NetBSD: mfb.c,v 1.10 1999/03/29 07:22:02 nisimura Exp $ */
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/*
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* Copyright (c) 1998 Tohru Nishimura. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Tohru Nishimura
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: mfb.c,v 1.10 1999/03/29 07:22:02 nisimura Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/buf.h>
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#include <sys/ioctl.h>
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#include <vm/vm.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/rcons/raster.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wscons_raster.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/tc/tcvar.h>
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#include <dev/ic/bt431reg.h>
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#include <uvm/uvm_extern.h>
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/* XXX BUS'IFYING XXX */
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#if defined(pmax)
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#define machine_btop(x) mips_btop(x)
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#define MACHINE_KSEG0_TO_PHYS(x) MIPS_KSEG0_TO_PHYS(x)
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struct bt455reg {
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u_int8_t bt_reg;
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unsigned : 24;
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u_int8_t bt_cmap;
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unsigned : 24;
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u_int8_t bt_clr;
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unsigned : 24;
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u_int8_t bt_ovly;
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};
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/*
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* N.B. a pair of Bt431s are located adjascently.
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* struct bt431twin {
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* struct {
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* u_int8_t u0; for sprite image
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* u_int8_t u1; for sprite mask
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* unsigned :16;
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* } bt_lo;
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* ...
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*/
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struct bt431reg {
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u_int16_t bt_lo;
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unsigned : 16;
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u_int16_t bt_hi;
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unsigned : 16;
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u_int16_t bt_ram;
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unsigned : 16;
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u_int16_t bt_ctl;
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};
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#endif
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#if defined(__alpha__) || defined(alpha)
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/*
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* Digital UNIX never supports PMAG-AA
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*/
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#define machine_btop(x) alpha_btop(x)
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#define MACHINE_KSEG0_TO_PHYS(x) ALPHA_K0SEG_TO_PHYS(x)
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struct bt455reg {
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u_int32_t bt_reg;
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u_int32_t bt_cmap;
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u_int32_t bt_clr;
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u_int32_t bt_ovly;
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};
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struct bt431reg {
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u_int32_t bt_lo;
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u_int32_t bt_hi;
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u_int32_t bt_ram;
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u_int32_t bt_ctl;
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};
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#endif
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/* XXX XXX XXX */
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struct fb_devconfig {
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vaddr_t dc_vaddr; /* memory space virtual base address */
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paddr_t dc_paddr; /* memory space physical base address */
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vsize_t dc_size; /* size of slot memory */
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int dc_wid; /* width of frame buffer */
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int dc_ht; /* height of frame buffer */
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int dc_depth; /* depth, bits per pixel */
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int dc_rowbytes; /* bytes in a FB scan line */
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vaddr_t dc_videobase; /* base of flat frame buffer */
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struct raster dc_raster; /* raster description */
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struct rcons dc_rcons; /* raster blitter control info */
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int dc_blanked; /* currently has video disabled */
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};
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struct hwcursor {
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struct wsdisplay_curpos cc_pos;
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struct wsdisplay_curpos cc_hot;
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struct wsdisplay_curpos cc_size;
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#define CURSOR_MAX_SIZE 64
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u_int8_t cc_color[6];
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u_int64_t cc_image[64 + 64];
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};
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struct mfb_softc {
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struct device sc_dev;
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struct fb_devconfig *sc_dc; /* device configuration */
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struct hwcursor sc_cursor; /* software copy of cursor */
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int sc_curenb; /* cursor sprite enabled */
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int sc_changed; /* need update of colormap */
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#define DATA_ENB_CHANGED 0x01 /* cursor enable changed */
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#define DATA_CURCMAP_CHANGED 0x02 /* cursor colormap changed */
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#define DATA_CURSHAPE_CHANGED 0x04 /* cursor size, image, mask changed */
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#define DATA_CMAP_CHANGED 0x08 /* colormap changed */
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#define DATA_ALL_CHANGED 0x0f
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int nscreens;
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short magic_x, magic_y; /* MX cursor location offset */
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#define MX_MAGIC_X 360
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#define MX_MAGIC_Y 36
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};
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#define MX_FB_OFFSET 0x200000
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#define MX_FB_SIZE 0x40000
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#define MX_BT455_OFFSET 0x100000
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#define MX_BT431_OFFSET 0x180000
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#define MX_IREQ_OFFSET 0x080000 /* Interrupt req. control */
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int mfbmatch __P((struct device *, struct cfdata *, void *));
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void mfbattach __P((struct device *, struct device *, void *));
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struct cfattach mfb_ca = {
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sizeof(struct mfb_softc), mfbmatch, mfbattach,
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};
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void mfb_getdevconfig __P((tc_addr_t, struct fb_devconfig *));
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struct fb_devconfig mfb_console_dc;
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tc_addr_t mfb_consaddr;
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struct wsdisplay_emulops mfb_emulops = {
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rcons_cursor, /* could use hardware cursor; punt */
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rcons_mapchar,
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rcons_putchar,
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rcons_copycols,
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rcons_erasecols,
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rcons_copyrows,
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rcons_eraserows,
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rcons_alloc_attr
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};
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struct wsscreen_descr mfb_stdscreen = {
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"std", 0, 0,
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&mfb_emulops,
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0, 0,
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0
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};
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const struct wsscreen_descr *_mfb_scrlist[] = {
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&mfb_stdscreen,
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};
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struct wsscreen_list mfb_screenlist = {
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sizeof(_mfb_scrlist) / sizeof(struct wsscreen_descr *), _mfb_scrlist
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};
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int mfbioctl __P((void *, u_long, caddr_t, int, struct proc *));
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int mfbmmap __P((void *, off_t, int));
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int mfb_alloc_screen __P((void *, const struct wsscreen_descr *,
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void **, int *, int *, long *));
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void mfb_free_screen __P((void *, void *));
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void mfb_show_screen __P((void *, void *));
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struct wsdisplay_accessops mfb_accessops = {
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mfbioctl,
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mfbmmap,
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mfb_alloc_screen,
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mfb_free_screen,
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mfb_show_screen,
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0 /* load_font */
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};
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int mfb_cnattach __P((tc_addr_t));
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int mfbintr __P((void *));
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void mfbinit __P((struct fb_devconfig *));
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static int set_cursor __P((struct mfb_softc *, struct wsdisplay_cursor *));
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static int get_cursor __P((struct mfb_softc *, struct wsdisplay_cursor *));
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static void set_curpos __P((struct mfb_softc *, struct wsdisplay_curpos *));
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void bt431_set_curpos __P((struct mfb_softc *));
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#define TWIN_LO(x) (twin = (x) & 0x00ff, twin << 8 | twin)
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#define TWIN_HI(x) (twin = (x) & 0xff00, twin | twin >> 8)
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/* XXX XXX XXX */
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#define BT431_SELECT(curs, regno) do { \
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u_int16_t twin; \
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curs->bt_lo = TWIN_LO(regno); \
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curs->bt_hi = TWIN_HI(regno); \
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tc_wmb(); \
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} while (0)
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#define BT455_SELECT(vdac, index) do { \
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vdac->bt_reg = index; \
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vdac->bt_clr = 0; \
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tc_wmb(); \
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} while (0)
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/* XXX XXX XXX */
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/* bit order reverse */
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const static u_int8_t flip[256] = {
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0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
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0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
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0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
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0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
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0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
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0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
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0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
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0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
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0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
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0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
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0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
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0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
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0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
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0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
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0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
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0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
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0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
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0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
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0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
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0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
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0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
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0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
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0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
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0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
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0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
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0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
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0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
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0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
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0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
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0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
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0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
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0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
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};
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int
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mfbmatch(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct tc_attach_args *ta = aux;
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if (strncmp("PMAG-AA ", ta->ta_modname, TC_ROM_LLEN) != 0)
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return (0);
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return (1);
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}
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void
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mfb_getdevconfig(dense_addr, dc)
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tc_addr_t dense_addr;
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struct fb_devconfig *dc;
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{
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struct raster *rap;
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struct rcons *rcp;
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int i;
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dc->dc_vaddr = dense_addr;
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dc->dc_paddr = MACHINE_KSEG0_TO_PHYS(dc->dc_vaddr + MX_FB_OFFSET);
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dc->dc_wid = 1280;
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dc->dc_ht = 1024;
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dc->dc_depth = 1;
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dc->dc_rowbytes = 2048 / 8;
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dc->dc_videobase = dc->dc_vaddr + MX_FB_OFFSET;
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dc->dc_blanked = 0;
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/* initialize colormap and cursor resource */
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mfbinit(dc);
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/* clear the screen */
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for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t))
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*(u_int32_t *)(dc->dc_videobase + i) = 0;
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/* initialize the raster */
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rap = &dc->dc_raster;
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rap->width = dc->dc_wid;
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rap->height = dc->dc_ht;
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rap->depth = dc->dc_depth;
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rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
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rap->pixels = (u_int32_t *)dc->dc_videobase;
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/* initialize the raster console blitter */
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rcp = &dc->dc_rcons;
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rcp->rc_sp = rap;
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rcp->rc_crow = rcp->rc_ccol = -1;
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rcp->rc_crowp = &rcp->rc_crow;
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rcp->rc_ccolp = &rcp->rc_ccol;
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rcons_init(rcp, 34, 80);
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mfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow;
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mfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol;
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}
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void
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mfbattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct mfb_softc *sc = (struct mfb_softc *)self;
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struct tc_attach_args *ta = aux;
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struct wsemuldisplaydev_attach_args waa;
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caddr_t mfbbase;
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int console;
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volatile register int junk;
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console = (ta->ta_addr == mfb_consaddr);
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if (console) {
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sc->sc_dc = &mfb_console_dc;
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sc->nscreens = 1;
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}
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else {
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sc->sc_dc = (struct fb_devconfig *)
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malloc(sizeof(struct fb_devconfig), M_DEVBUF, M_WAITOK);
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mfb_getdevconfig(ta->ta_addr, sc->sc_dc);
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}
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printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
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sc->sc_dc->dc_depth);
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sc->magic_x = MX_MAGIC_X;
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sc->magic_y = MX_MAGIC_Y;
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tc_intr_establish(parent, ta->ta_cookie, TC_IPL_TTY, mfbintr, sc);
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mfbbase = (caddr_t)sc->sc_dc->dc_vaddr;
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*(u_int8_t *)(mfbbase + MX_IREQ_OFFSET) = 0;
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junk = *(u_int8_t *)(mfbbase + MX_IREQ_OFFSET);
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*(u_int8_t *)(mfbbase + MX_IREQ_OFFSET) = 1;
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waa.console = console;
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waa.scrdata = &mfb_screenlist;
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waa.accessops = &mfb_accessops;
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waa.accesscookie = sc;
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config_found(self, &waa, wsemuldisplaydevprint);
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}
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int
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mfbioctl(v, cmd, data, flag, p)
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void *v;
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u_long cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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{
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struct mfb_softc *sc = v;
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struct fb_devconfig *dc = sc->sc_dc;
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int turnoff;
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switch (cmd) {
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case WSDISPLAYIO_GTYPE:
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*(u_int *)data = WSDISPLAY_TYPE_MFB;
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return (0);
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case WSDISPLAYIO_GINFO:
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#define wsd_fbip ((struct wsdisplay_fbinfo *)data)
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wsd_fbip->height = sc->sc_dc->dc_ht;
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wsd_fbip->width = sc->sc_dc->dc_wid;
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wsd_fbip->depth = sc->sc_dc->dc_depth;
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wsd_fbip->cmsize = 0;
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#undef fbt
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return (0);
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case WSDISPLAYIO_GETCMAP:
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case WSDISPLAYIO_PUTCMAP:
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return (ENOTTY);
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case WSDISPLAYIO_SVIDEO:
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turnoff = *(int *)data == WSDISPLAYIO_VIDEO_OFF;
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if ((dc->dc_blanked == 0) ^ turnoff) {
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dc->dc_blanked = turnoff;
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/* XXX later XXX */
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}
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return (0);
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case WSDISPLAYIO_GVIDEO:
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*(u_int *)data = dc->dc_blanked ?
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WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON;
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return (0);
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case WSDISPLAYIO_GCURPOS:
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*(struct wsdisplay_curpos *)data = sc->sc_cursor.cc_pos;
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return (0);
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case WSDISPLAYIO_SCURPOS:
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set_curpos(sc, (struct wsdisplay_curpos *)data);
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bt431_set_curpos(sc);
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return (0);
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case WSDISPLAYIO_GCURMAX:
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((struct wsdisplay_curpos *)data)->x =
|
|
((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_SIZE;
|
|
return (0);
|
|
|
|
case WSDISPLAYIO_GCURSOR:
|
|
return get_cursor(sc, (struct wsdisplay_cursor *)data);
|
|
|
|
case WSDISPLAYIO_SCURSOR:
|
|
return set_cursor(sc, (struct wsdisplay_cursor *)data);
|
|
}
|
|
return (ENOTTY);
|
|
}
|
|
|
|
int
|
|
mfbmmap(v, offset, prot)
|
|
void *v;
|
|
off_t offset;
|
|
int prot;
|
|
{
|
|
struct mfb_softc *sc = v;
|
|
|
|
if (offset >= MX_FB_SIZE || offset < 0)
|
|
return (-1);
|
|
return machine_btop(sc->sc_dc->dc_paddr + offset);
|
|
}
|
|
|
|
int
|
|
mfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
|
|
void *v;
|
|
const struct wsscreen_descr *type;
|
|
void **cookiep;
|
|
int *curxp, *curyp;
|
|
long *attrp;
|
|
{
|
|
struct mfb_softc *sc = v;
|
|
long defattr;
|
|
|
|
if (sc->nscreens > 0)
|
|
return (ENOMEM);
|
|
|
|
*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
|
|
*curxp = 0;
|
|
*curyp = 0;
|
|
rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr);
|
|
*attrp = defattr;
|
|
sc->nscreens++;
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
mfb_free_screen(v, cookie)
|
|
void *v;
|
|
void *cookie;
|
|
{
|
|
struct mfb_softc *sc = v;
|
|
|
|
if (sc->sc_dc == &mfb_console_dc)
|
|
panic("mfb_free_screen: console");
|
|
|
|
sc->nscreens--;
|
|
}
|
|
|
|
void
|
|
mfb_show_screen(v, cookie)
|
|
void *v;
|
|
void *cookie;
|
|
{
|
|
}
|
|
|
|
int
|
|
mfb_cnattach(addr)
|
|
tc_addr_t addr;
|
|
{
|
|
struct fb_devconfig *dcp = &mfb_console_dc;
|
|
long defattr;
|
|
|
|
mfb_getdevconfig(addr, dcp);
|
|
|
|
rcons_alloc_attr(&dcp->dc_rcons, 0, 0, 0, &defattr);
|
|
|
|
wsdisplay_cnattach(&mfb_stdscreen, &dcp->dc_rcons,
|
|
0, 0, defattr);
|
|
mfb_consaddr = addr;
|
|
return (0);
|
|
}
|
|
|
|
|
|
int
|
|
mfbintr(arg)
|
|
void *arg;
|
|
{
|
|
struct mfb_softc *sc = arg;
|
|
caddr_t mfbbase = (caddr_t)sc->sc_dc->dc_vaddr;
|
|
struct bt455reg *vdac;
|
|
struct bt431reg *curs;
|
|
int v;
|
|
volatile register int junk;
|
|
|
|
junk = *(u_int8_t *)(mfbbase + MX_IREQ_OFFSET);
|
|
/* *(u_int8_t *)(mfbbase + MX_IREQ_OFFSET) = 1; */
|
|
|
|
if (sc->sc_changed == 0)
|
|
return (1);
|
|
|
|
vdac = (void *)(mfbbase + MX_BT455_OFFSET);
|
|
curs = (void *)(mfbbase + MX_BT431_OFFSET);
|
|
|
|
v = sc->sc_changed;
|
|
sc->sc_changed = 0;
|
|
if (v & DATA_ENB_CHANGED) {
|
|
BT431_SELECT(curs, BT431_REG_COMMAND);
|
|
curs->bt_ctl = (sc->sc_curenb) ? 0x4444 : 0x0404;
|
|
}
|
|
if (v & DATA_CURSHAPE_CHANGED) {
|
|
u_int8_t *ip, *mp, img, msk;
|
|
int bcnt;
|
|
|
|
ip = (u_int8_t *)sc->sc_cursor.cc_image;
|
|
mp = (u_int8_t *)(sc->sc_cursor.cc_image + CURSOR_MAX_SIZE);
|
|
|
|
bcnt = 0;
|
|
BT431_SELECT(curs, BT431_REG_CRAM_BASE+0);
|
|
/* 64 pixel scan line is consisted with 16 byte cursor ram */
|
|
while (bcnt < sc->sc_cursor.cc_size.y * 16) {
|
|
/* pad right half 32 pixel when smaller than 33 */
|
|
if ((bcnt & 0x8) && sc->sc_cursor.cc_size.x < 33) {
|
|
curs->bt_ram = 0;
|
|
tc_wmb();
|
|
}
|
|
else {
|
|
img = *ip++;
|
|
msk = *mp++;
|
|
img &= msk; /* cookie off image */
|
|
curs->bt_ram = (flip[msk] << 8) | flip[img];
|
|
tc_wmb();
|
|
}
|
|
bcnt += 2;
|
|
}
|
|
/* pad unoccupied scan lines */
|
|
while (bcnt < CURSOR_MAX_SIZE * 16) {
|
|
curs->bt_ram = 0;
|
|
tc_wmb();
|
|
bcnt += 2;
|
|
}
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
mfbinit(dc)
|
|
struct fb_devconfig *dc;
|
|
{
|
|
caddr_t mfbbase = (caddr_t)dc->dc_vaddr;
|
|
struct bt431reg *curs = (void *)(mfbbase + MX_BT431_OFFSET);
|
|
struct bt455reg *vdac = (void *)(mfbbase + MX_BT455_OFFSET);
|
|
int i;
|
|
|
|
BT431_SELECT(curs, BT431_REG_COMMAND);
|
|
curs->bt_ctl = 0x0404; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
curs->bt_ctl = 0; tc_wmb();
|
|
|
|
BT455_SELECT(vdac, 0);
|
|
for (i = 0; i < 16; i++) {
|
|
vdac->bt_cmap = 0; tc_wmb();
|
|
vdac->bt_cmap = 0; tc_wmb();
|
|
vdac->bt_cmap = 0; tc_wmb();
|
|
}
|
|
|
|
BT455_SELECT(vdac, 1);
|
|
vdac->bt_cmap = 0; tc_wmb();
|
|
vdac->bt_cmap = 0xff; tc_wmb();
|
|
vdac->bt_cmap = 0; tc_wmb();
|
|
|
|
BT455_SELECT(vdac, 8);
|
|
vdac->bt_cmap = 0; tc_wmb();
|
|
vdac->bt_cmap = 0xff; tc_wmb();
|
|
vdac->bt_cmap = 0; tc_wmb();
|
|
|
|
vdac->bt_ovly = 0; tc_wmb();
|
|
vdac->bt_ovly = 0xff; tc_wmb();
|
|
vdac->bt_ovly = 0; tc_wmb();
|
|
}
|
|
|
|
static int
|
|
set_cursor(sc, p)
|
|
struct mfb_softc *sc;
|
|
struct wsdisplay_cursor *p;
|
|
{
|
|
#define cc (&sc->sc_cursor)
|
|
int v, count;
|
|
|
|
v = p->which;
|
|
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
if (p->size.x > CURSOR_MAX_SIZE || p->size.y > CURSOR_MAX_SIZE)
|
|
return (EINVAL);
|
|
count = ((p->size.x < 33) ? 4 : 8) * p->size.y;
|
|
if (!uvm_useracc(p->image, count, B_READ) ||
|
|
!uvm_useracc(p->mask, count, B_READ))
|
|
return (EFAULT);
|
|
}
|
|
if (v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOCUR)) {
|
|
if (v & WSDISPLAY_CURSOR_DOCUR)
|
|
cc->cc_hot = p->hot;
|
|
if (v & WSDISPLAY_CURSOR_DOPOS)
|
|
set_curpos(sc, &p->pos);
|
|
bt431_set_curpos(sc);
|
|
}
|
|
|
|
sc->sc_changed = 0;
|
|
if (v & WSDISPLAY_CURSOR_DOCUR) {
|
|
sc->sc_curenb = p->enable;
|
|
sc->sc_changed |= DATA_ENB_CHANGED;
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
cc->cc_size = p->size;
|
|
memset(cc->cc_image, 0, sizeof cc->cc_image);
|
|
copyin(p->image, cc->cc_image, count);
|
|
copyin(p->mask, cc->cc_image+CURSOR_MAX_SIZE, count);
|
|
sc->sc_changed |= DATA_CURSHAPE_CHANGED;
|
|
}
|
|
|
|
return (0);
|
|
#undef cc
|
|
}
|
|
|
|
static int
|
|
get_cursor(sc, p)
|
|
struct mfb_softc *sc;
|
|
struct wsdisplay_cursor *p;
|
|
{
|
|
return (ENOTTY); /* XXX */
|
|
}
|
|
|
|
static void
|
|
set_curpos(sc, curpos)
|
|
struct mfb_softc *sc;
|
|
struct wsdisplay_curpos *curpos;
|
|
{
|
|
struct fb_devconfig *dc = sc->sc_dc;
|
|
int x = curpos->x, y = curpos->y;
|
|
|
|
if (y < 0)
|
|
y = 0;
|
|
else if (y > dc->dc_ht)
|
|
y = dc->dc_ht;
|
|
if (x < 0)
|
|
x = 0;
|
|
else if (x > dc->dc_wid)
|
|
x = dc->dc_wid;
|
|
sc->sc_cursor.cc_pos.x = x;
|
|
sc->sc_cursor.cc_pos.y = y;
|
|
}
|
|
|
|
void
|
|
bt431_set_curpos(sc)
|
|
struct mfb_softc *sc;
|
|
{
|
|
caddr_t mfbbase = (caddr_t)sc->sc_dc->dc_vaddr;
|
|
struct bt431reg *curs = (void *)(mfbbase + MX_BT431_OFFSET);
|
|
u_int16_t twin;
|
|
int x, y, s;
|
|
|
|
x = sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x;
|
|
y = sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y;
|
|
x += sc->magic_x; y += sc->magic_y; /* magic offset of MX coordinate */
|
|
|
|
s = spltty();
|
|
|
|
BT431_SELECT(curs, BT431_REG_CURSOR_X_LOW);
|
|
curs->bt_ctl = TWIN_LO(x); tc_wmb();
|
|
curs->bt_ctl = TWIN_HI(x); tc_wmb();
|
|
curs->bt_ctl = TWIN_LO(y); tc_wmb();
|
|
curs->bt_ctl = TWIN_HI(y); tc_wmb();
|
|
|
|
splx(s);
|
|
}
|