716 lines
18 KiB
C
716 lines
18 KiB
C
/* $NetBSD: mfb.c,v 1.41 2003/12/20 07:10:00 nisimura Exp $ */
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/*
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* Copyright (c) 1998, 1999 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>
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__KERNEL_RCSID(0, "$NetBSD: mfb.c,v 1.41 2003/12/20 07:10:00 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 <machine/bus.h>
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#include <machine/intr.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/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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#if defined(pmax)
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#define machine_btop(x) mips_btop(MIPS_KSEG1_TO_PHYS(x))
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#endif
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#if defined(alpha)
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#define machine_btop(x) alpha_btop(ALPHA_K0SEG_TO_PHYS(x))
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#endif
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/* Bt455 hardware registers, memory-mapped in 32bit stride */
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#define bt_reg 0x0
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#define bt_cmap 0x4
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#define bt_clr 0x8
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#define bt_ovly 0xc
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/* Bt431 hardware registers, memory-mapped in 32bit stride */
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#define bt_lo 0x0
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#define bt_hi 0x4
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#define bt_ram 0x8
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#define bt_ctl 0xc
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#define REGWRITE32(p,i,v) do { \
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*(volatile u_int32_t *)((p) + (i)) = (v); tc_wmb(); \
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} while (0)
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#define SELECT455(p,r) do { \
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REGWRITE32((p), bt_reg, (r)); \
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REGWRITE32((p), bt_clr, 0); \
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} while (0)
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#define TWIN(x) ((x)|((x) << 8))
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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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#define SELECT431(p,r) do { \
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REGWRITE32((p), bt_lo, TWIN(r)); \
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REGWRITE32((p), bt_hi, 0); \
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} while (0)
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struct hwcursor64 {
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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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struct wsdisplay_curpos cc_magic;
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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[CURSOR_MAX_SIZE];
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u_int64_t cc_mask[CURSOR_MAX_SIZE];
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};
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struct mfb_softc {
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struct device sc_dev;
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vaddr_t sc_vaddr;
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size_t sc_size;
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struct rasops_info *sc_ri;
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struct hwcursor64 sc_cursor; /* software copy of cursor */
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int sc_blanked;
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int sc_curenb; /* cursor sprite enabled */
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int sc_changed; /* need update of hardware */
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int nscreens;
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};
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#define MX_MAGIC_X 360
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#define MX_MAGIC_Y 36
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#define MX_FB_OFFSET 0x200000
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#define MX_FB_SIZE 0x200000
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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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static int mfbmatch(struct device *, struct cfdata *, void *);
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static void mfbattach(struct device *, struct device *, void *);
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CFATTACH_DECL(mfb, sizeof(struct mfb_softc),
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mfbmatch, mfbattach, NULL, NULL);
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static void mfb_common_init(struct rasops_info *);
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static struct rasops_info mfb_console_ri;
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static tc_addr_t mfb_consaddr;
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static struct wsscreen_descr mfb_stdscreen = {
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"std", 0, 0,
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0, /* textops */
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0, 0,
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WSSCREEN_REVERSE
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};
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static const struct wsscreen_descr *_mfb_scrlist[] = {
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&mfb_stdscreen,
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};
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static const 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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static int mfbioctl(void *, u_long, caddr_t, int, struct proc *);
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static paddr_t mfbmmap(void *, off_t, int);
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static int mfb_alloc_screen(void *, const struct wsscreen_descr *,
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void **, int *, int *, long *);
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static void mfb_free_screen(void *, void *);
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static int mfb_show_screen(void *, void *, int,
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void (*) (void *, int, int), void *);
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static const 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(tc_addr_t);
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static int mfbintr(void *);
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static void mfbhwinit(caddr_t);
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static int set_cursor(struct mfb_softc *, struct wsdisplay_cursor *);
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static int get_cursor(struct mfb_softc *, struct wsdisplay_cursor *);
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static void set_curpos(struct mfb_softc *, struct wsdisplay_curpos *);
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/* bit order reverse */
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static const 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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static 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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static 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 rasops_info *ri;
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struct wsemuldisplaydev_attach_args waa;
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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_ri = ri = &mfb_console_ri;
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sc->nscreens = 1;
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}
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else {
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MALLOC(ri, struct rasops_info *, sizeof(struct rasops_info),
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M_DEVBUF, M_NOWAIT);
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if (ri == NULL) {
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printf(": can't alloc memory\n");
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return;
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}
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memset(ri, 0, sizeof(struct rasops_info));
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ri->ri_hw = (void *)ta->ta_addr;
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mfb_common_init(ri);
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sc->sc_ri = ri;
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}
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printf(": %dx%d, 1bpp\n", ri->ri_width, ri->ri_height);
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sc->sc_vaddr = ta->ta_addr;
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sc->sc_cursor.cc_magic.x = MX_MAGIC_X;
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sc->sc_cursor.cc_magic.y = MX_MAGIC_Y;
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sc->sc_blanked = sc->sc_curenb = 0;
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tc_intr_establish(parent, ta->ta_cookie, IPL_TTY, mfbintr, sc);
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/* clear any pending interrupts */
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*(u_int8_t *)((caddr_t)ri->ri_hw + MX_IREQ_OFFSET) = 0;
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junk = *(u_int8_t *)((caddr_t)ri->ri_hw + MX_IREQ_OFFSET);
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*(u_int8_t *)((caddr_t)ri->ri_hw + 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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static void
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mfb_common_init(ri)
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struct rasops_info *ri;
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{
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caddr_t base;
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int cookie;
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base = (caddr_t)ri->ri_hw;
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/* initialize colormap and cursor hardware */
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mfbhwinit(base);
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ri->ri_flg = RI_CENTER | RI_FORCEMONO;
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ri->ri_depth = 8; /* !! watch out !! */
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ri->ri_width = 1280;
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ri->ri_height = 1024;
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ri->ri_stride = 2048;
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ri->ri_bits = base + MX_FB_OFFSET;
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/* clear the screen */
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memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height);
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wsfont_init();
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/* prefer 12 pixel wide font */
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cookie = wsfont_find(NULL, 12, 0, 0, WSDISPLAY_FONTORDER_L2R,
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WSDISPLAY_FONTORDER_L2R);
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if (cookie <= 0)
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cookie = wsfont_find(NULL, 0, 0, 0, WSDISPLAY_FONTORDER_L2R,
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WSDISPLAY_FONTORDER_L2R);
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if (cookie <= 0) {
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printf("mfb: font table is empty\n");
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return;
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}
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if (wsfont_lock(cookie, &ri->ri_font)) {
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printf("mfb: couldn't lock font\n");
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return;
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}
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ri->ri_wsfcookie = cookie;
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rasops_init(ri, 34, 80);
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/* XXX shouldn't be global */
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mfb_stdscreen.nrows = ri->ri_rows;
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mfb_stdscreen.ncols = ri->ri_cols;
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mfb_stdscreen.textops = &ri->ri_ops;
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mfb_stdscreen.capabilities = ri->ri_caps;
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}
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static 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 rasops_info *ri = sc->sc_ri;
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int turnoff, s;
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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 = ri->ri_height;
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wsd_fbip->width = ri->ri_width;
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wsd_fbip->depth = ri->ri_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 (EPASSTHROUGH);
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case WSDISPLAYIO_SVIDEO:
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turnoff = *(int *)data == WSDISPLAYIO_VIDEO_OFF;
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if ((sc->sc_blanked == 0) ^ turnoff) {
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sc->sc_blanked = turnoff;
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#if 0 /* XXX later XXX */
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To turn off,
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- assign Bt455 cmap[1].green with value 0 (black),
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- assign Bt431 register #0 with value 0x04 to hide sprite cursor.
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#endif /* XXX XXX 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 = sc->sc_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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s = spltty();
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set_curpos(sc, (struct wsdisplay_curpos *)data);
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sc->sc_changed |= WSDISPLAY_CURSOR_DOPOS;
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splx(s);
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return (0);
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case WSDISPLAYIO_GCURMAX:
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((struct wsdisplay_curpos *)data)->x =
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((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_SIZE;
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return (0);
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case WSDISPLAYIO_GCURSOR:
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return get_cursor(sc, (struct wsdisplay_cursor *)data);
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case WSDISPLAYIO_SCURSOR:
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return set_cursor(sc, (struct wsdisplay_cursor *)data);
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case WSDISPLAYIO_SMODE:
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if (*(int *)data == WSDISPLAYIO_MODE_EMUL) {
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s = spltty();
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sc->sc_curenb = 0;
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sc->sc_blanked = 0;
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sc->sc_changed |= WSDISPLAY_CURSOR_DOCUR;
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splx(s);
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}
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return (0);
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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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mfbmmap(v, offset, prot)
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void *v;
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off_t offset;
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int prot;
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{
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struct mfb_softc *sc = v;
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if (offset >= MX_FB_SIZE || offset < 0)
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return (-1);
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return machine_btop(sc->sc_vaddr + MX_FB_OFFSET + offset);
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}
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static int
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mfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
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void *v;
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const struct wsscreen_descr *type;
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void **cookiep;
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int *curxp, *curyp;
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long *attrp;
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{
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struct mfb_softc *sc = v;
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struct rasops_info *ri = sc->sc_ri;
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long defattr;
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if (sc->nscreens > 0)
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return (ENOMEM);
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*cookiep = ri; /* one and only for now */
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*curxp = 0;
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*curyp = 0;
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(*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
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*attrp = defattr;
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sc->nscreens++;
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return (0);
|
|
}
|
|
|
|
static void
|
|
mfb_free_screen(v, cookie)
|
|
void *v;
|
|
void *cookie;
|
|
{
|
|
struct mfb_softc *sc = v;
|
|
|
|
if (sc->sc_ri == &mfb_console_ri)
|
|
panic("mfb_free_screen: console");
|
|
|
|
sc->nscreens--;
|
|
}
|
|
|
|
static int
|
|
mfb_show_screen(v, cookie, waitok, cb, cbarg)
|
|
void *v;
|
|
void *cookie;
|
|
int waitok;
|
|
void (*cb)(void *, int, int);
|
|
void *cbarg;
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* EXPORT */ int
|
|
mfb_cnattach(addr)
|
|
tc_addr_t addr;
|
|
{
|
|
struct rasops_info *ri;
|
|
long defattr;
|
|
|
|
ri = &mfb_console_ri;
|
|
ri->ri_hw = (void *)addr;
|
|
mfb_common_init(ri);
|
|
(*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
|
|
wsdisplay_cnattach(&mfb_stdscreen, ri, 0, 0, defattr);
|
|
mfb_consaddr = addr;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
mfbintr(arg)
|
|
void *arg;
|
|
{
|
|
struct mfb_softc *sc = arg;
|
|
caddr_t base, vdac, curs;
|
|
int v;
|
|
volatile register int junk;
|
|
|
|
base = (caddr_t)sc->sc_ri->ri_hw;
|
|
junk = *(u_int8_t *)(base + MX_IREQ_OFFSET);
|
|
#if 0
|
|
*(u_int8_t *)(base + MX_IREQ_OFFSET) = 0;
|
|
#endif
|
|
if (sc->sc_changed == 0)
|
|
return (1);
|
|
|
|
vdac = base + MX_BT455_OFFSET;
|
|
curs = base + MX_BT431_OFFSET;
|
|
v = sc->sc_changed;
|
|
if (v & WSDISPLAY_CURSOR_DOCUR) {
|
|
int onoff;
|
|
|
|
onoff = (sc->sc_curenb) ? 0x4444 : 0x0404;
|
|
SELECT431(curs, BT431_REG_COMMAND);
|
|
REGWRITE32(curs, bt_ctl, onoff);
|
|
}
|
|
if (v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) {
|
|
int x, y;
|
|
u_int32_t twin;
|
|
|
|
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->sc_cursor.cc_magic.x;
|
|
y += sc->sc_cursor.cc_magic.y;
|
|
|
|
SELECT431(curs, BT431_REG_CURSOR_X_LOW);
|
|
REGWRITE32(curs, bt_ctl, TWIN_LO(x));
|
|
REGWRITE32(curs, bt_ctl, TWIN_HI(x));
|
|
REGWRITE32(curs, bt_ctl, TWIN_LO(y));
|
|
REGWRITE32(curs, bt_ctl, TWIN_HI(y));
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOCMAP) {
|
|
u_int8_t *cp = sc->sc_cursor.cc_color;
|
|
|
|
SELECT455(vdac, 8);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
REGWRITE32(vdac, bt_cmap, cp[1]);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
REGWRITE32(vdac, bt_cmap, cp[1]);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
|
|
REGWRITE32(vdac, bt_ovly, 0);
|
|
REGWRITE32(vdac, bt_ovly, cp[0]);
|
|
REGWRITE32(vdac, bt_ovly, 0);
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
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_mask;
|
|
bcnt = 0;
|
|
SELECT431(curs, BT431_REG_CRAM_BASE);
|
|
|
|
/* 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) {
|
|
REGWRITE32(curs, bt_ram, 0);
|
|
}
|
|
else {
|
|
int half;
|
|
|
|
img = *ip++;
|
|
msk = *mp++;
|
|
img &= msk; /* cookie off image */
|
|
half = (flip[msk] << 8) | flip[img];
|
|
REGWRITE32(curs, bt_ram, half);
|
|
}
|
|
bcnt += 2;
|
|
}
|
|
/* pad unoccupied scan lines */
|
|
while (bcnt < CURSOR_MAX_SIZE * 16) {
|
|
REGWRITE32(curs, bt_ram, 0);
|
|
bcnt += 2;
|
|
}
|
|
}
|
|
sc->sc_changed = 0;
|
|
return (1);
|
|
}
|
|
|
|
static void
|
|
mfbhwinit(mfbbase)
|
|
caddr_t mfbbase;
|
|
{
|
|
caddr_t vdac, curs;
|
|
int i;
|
|
|
|
vdac = mfbbase + MX_BT455_OFFSET;
|
|
curs = mfbbase + MX_BT431_OFFSET;
|
|
SELECT431(curs, BT431_REG_COMMAND);
|
|
REGWRITE32(curs, bt_ctl, 0x0404);
|
|
REGWRITE32(curs, bt_ctl, 0); /* XLO */
|
|
REGWRITE32(curs, bt_ctl, 0); /* XHI */
|
|
REGWRITE32(curs, bt_ctl, 0); /* YLO */
|
|
REGWRITE32(curs, bt_ctl, 0); /* YHI */
|
|
REGWRITE32(curs, bt_ctl, 0); /* XWLO */
|
|
REGWRITE32(curs, bt_ctl, 0); /* XWHI */
|
|
REGWRITE32(curs, bt_ctl, 0); /* WYLO */
|
|
REGWRITE32(curs, bt_ctl, 0); /* WYLO */
|
|
REGWRITE32(curs, bt_ctl, 0); /* WWLO */
|
|
REGWRITE32(curs, bt_ctl, 0); /* WWHI */
|
|
REGWRITE32(curs, bt_ctl, 0); /* WHLO */
|
|
REGWRITE32(curs, bt_ctl, 0); /* WHHI */
|
|
|
|
/* 0: black, 1: white, 8,9: cursor mask, ovly: cursor image */
|
|
SELECT455(vdac, 0);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
REGWRITE32(vdac, bt_cmap, 0xff);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
for (i = 2; i < 16; i++) {
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
REGWRITE32(vdac, bt_cmap, 0);
|
|
}
|
|
REGWRITE32(vdac, bt_ovly, 0);
|
|
REGWRITE32(vdac, bt_ovly, 0xff);
|
|
REGWRITE32(vdac, bt_ovly, 0);
|
|
|
|
SELECT431(curs, BT431_REG_CRAM_BASE);
|
|
for (i = 0; i < 512; i++) {
|
|
REGWRITE32(curs, bt_ram, 0);
|
|
}
|
|
}
|
|
|
|
static int
|
|
set_cursor(sc, p)
|
|
struct mfb_softc *sc;
|
|
struct wsdisplay_cursor *p;
|
|
{
|
|
#define cc (&sc->sc_cursor)
|
|
u_int v, count = 0, icount = 0, index = 0;
|
|
uint64_t image[CURSOR_MAX_SIZE];
|
|
uint64_t mask[CURSOR_MAX_SIZE];
|
|
uint8_t color[6];
|
|
int error, s;
|
|
|
|
v = p->which;
|
|
if (v & WSDISPLAY_CURSOR_DOCMAP) {
|
|
index = p->cmap.index;
|
|
count = p->cmap.count;
|
|
if (index >= 2 || (index + count) > 2)
|
|
return (EINVAL);
|
|
error = copyin(p->cmap.red, &color[index], count);
|
|
if (error)
|
|
return error;
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
if (p->size.x > CURSOR_MAX_SIZE || p->size.y > CURSOR_MAX_SIZE)
|
|
return (EINVAL);
|
|
icount = ((p->size.x < 33) ? 4 : 8) * p->size.y;
|
|
error = copyin(p->image, image, icount);
|
|
if (error)
|
|
return error;
|
|
error = copyin(p->mask, mask, icount);
|
|
if (error)
|
|
return error;
|
|
}
|
|
|
|
s = spltty();
|
|
if (v & WSDISPLAY_CURSOR_DOCUR)
|
|
sc->sc_curenb = p->enable;
|
|
if (v & WSDISPLAY_CURSOR_DOPOS)
|
|
set_curpos(sc, &p->pos);
|
|
if (v & WSDISPLAY_CURSOR_DOHOT)
|
|
cc->cc_hot = p->hot;
|
|
if (v & WSDISPLAY_CURSOR_DOCMAP)
|
|
memcpy(&cc->cc_color[index], &color[index], count);
|
|
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
cc->cc_size = p->size;
|
|
memset(cc->cc_image, 0, sizeof cc->cc_image);
|
|
memcpy(cc->cc_image, image, icount);
|
|
memset(cc->cc_mask, 0, sizeof cc->cc_mask);
|
|
memcpy(cc->cc_mask, mask, icount);
|
|
}
|
|
sc->sc_changed |= v;
|
|
splx(s);
|
|
|
|
return (0);
|
|
#undef cc
|
|
}
|
|
|
|
static int
|
|
get_cursor(sc, p)
|
|
struct mfb_softc *sc;
|
|
struct wsdisplay_cursor *p;
|
|
{
|
|
return (EPASSTHROUGH); /* XXX */
|
|
}
|
|
|
|
static void
|
|
set_curpos(sc, curpos)
|
|
struct mfb_softc *sc;
|
|
struct wsdisplay_curpos *curpos;
|
|
{
|
|
struct rasops_info *ri = sc->sc_ri;
|
|
int x = curpos->x, y = curpos->y;
|
|
|
|
if (y < 0)
|
|
y = 0;
|
|
else if (y > ri->ri_height)
|
|
y = ri->ri_height;
|
|
if (x < 0)
|
|
x = 0;
|
|
else if (x > ri->ri_width)
|
|
x = ri->ri_width;
|
|
sc->sc_cursor.cc_pos.x = x;
|
|
sc->sc_cursor.cc_pos.y = y;
|
|
}
|