/* $NetBSD: p9100.c,v 1.26 2005/12/14 00:35:31 christos Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Matt Thomas. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * color display (p9100) driver. * * Does not handle interrupts, even though they can occur. * * XXX should defer colormap updates to vertical retrace interrupts */ #include __KERNEL_RCSID(0, "$NetBSD: p9100.c,v 1.26 2005/12/14 00:35:31 christos Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /*#include */ #include #include #include #include "opt_wsemul.h" #include "rasops_glue.h" #include "tctrl.h" #if NTCTRL > 0 #include #include /*XXX*/ #endif struct pnozz_cursor { short pc_enable; /* cursor is enabled */ struct fbcurpos pc_pos; /* position */ struct fbcurpos pc_hot; /* hot-spot */ struct fbcurpos pc_size; /* size of mask & image fields */ uint32_t pc_bits[0x100]; /* space for mask & image bits */ unsigned char red[3], green[3]; unsigned char blue[3]; /* cursor palette */ }; /* per-display variables */ struct p9100_softc { struct device sc_dev; /* base device */ struct sbusdev sc_sd; /* sbus device */ struct fbdevice sc_fb; /* frame buffer device */ bus_space_tag_t sc_bustag; bus_addr_t sc_ctl_paddr; /* phys address description */ bus_size_t sc_ctl_psize; /* for device mmap() */ bus_space_handle_t sc_ctl_memh; /* bus space handle */ bus_addr_t sc_cmd_paddr; /* phys address description */ bus_size_t sc_cmd_psize; /* for device mmap() */ bus_space_handle_t sc_cmd_memh; /* bus space handle */ bus_addr_t sc_fb_paddr; /* phys address description */ bus_size_t sc_fb_psize; /* for device mmap() */ bus_space_handle_t sc_fb_memh; /* bus space handle */ uint32_t sc_junk; uint32_t sc_mono_width; /* for setup_mono */ uint32_t sc_width; uint32_t sc_height; /* panel width / height */ uint32_t sc_stride; uint32_t sc_depth; union bt_cmap sc_cmap; /* Brooktree color map */ struct pnozz_cursor sc_cursor; #ifdef PNOZZ_SOFT_PUTCHAR void (*putchar)(void *c, int row, int col, u_int uc, long attr); #endif int sc_mode; uint32_t sc_bg; void (*switchcb)(void *, int, int); void *switchcbarg; struct callout switch_callout; LIST_HEAD(, p9100_screen) screens; struct p9100_screen *active, *wanted; const struct wsscreen_descr *currenttype; }; struct p9100_screen { struct rasops_info ri; LIST_ENTRY(p9100_screen) next; struct p9100_softc *sc; const struct wsscreen_descr *type; int active; u_int16_t *chars; long *attrs; int dispoffset; int mindispoffset; int maxdispoffset; int cursoron; int cursorcol; int cursorrow; int cursordrawn; }; static struct p9100_screen p9100_console_screen; extern const u_char rasops_cmap[768]; struct wsscreen_descr p9100_defscreendesc = { "default", 0, 0, NULL, 8, 16, WSSCREEN_WSCOLORS, }; const struct wsscreen_descr *_p9100_scrlist[] = { &p9100_defscreendesc, /* XXX other formats, graphics screen? */ }; struct wsscreen_list p9100_screenlist = { sizeof(_p9100_scrlist) / sizeof(struct wsscreen_descr *), _p9100_scrlist }; /* autoconfiguration driver */ static int p9100_sbus_match(struct device *, struct cfdata *, void *); static void p9100_sbus_attach(struct device *, struct device *, void *); static void p9100unblank(struct device *); static void p9100_shutdown(void *); CFATTACH_DECL(pnozz, sizeof(struct p9100_softc), p9100_sbus_match, p9100_sbus_attach, NULL, NULL); extern struct cfdriver pnozz_cd; dev_type_open(p9100open); dev_type_ioctl(p9100ioctl); dev_type_mmap(p9100mmap); const struct cdevsw pnozz_cdevsw = { p9100open, nullclose, noread, nowrite, p9100ioctl, nostop, notty, nopoll, p9100mmap, nokqfilter, }; /* frame buffer generic driver */ static struct fbdriver p9100fbdriver = { p9100unblank, p9100open, nullclose, p9100ioctl, nopoll, p9100mmap, nokqfilter }; static void p9100loadcmap(struct p9100_softc *, int, int); static void p9100_set_video(struct p9100_softc *, int); static int p9100_get_video(struct p9100_softc *); static uint32_t p9100_ctl_read_4(struct p9100_softc *, bus_size_t); static void p9100_ctl_write_4(struct p9100_softc *, bus_size_t, uint32_t); uint8_t p9100_ramdac_read(struct p9100_softc *, bus_size_t); void p9100_ramdac_write(struct p9100_softc *, bus_size_t, uint8_t); static void p9100_sync(struct p9100_softc *); void p9100_bitblt(struct p9100_softc *, int, int, int, int, int, int, uint32_t); /* coordinates, rasop */ void p9100_rectfill(struct p9100_softc *, int, int, int, int, uint32_t); /* coordinates, colour */ static void p9100_init_engine(struct p9100_softc *); void p9100_setup_mono(struct p9100_softc *, int, int, int, int, uint32_t, uint32_t); void p9100_feed_line(struct p9100_softc *, int, uint8_t *); static void p9100_set_color_reg(struct p9100_softc *, int, int32_t); void p9100_cursor(void *, int, int, int); int p9100_mapchar(void *, int, u_int *); void p9100_putchar(void *, int, int, u_int, long); void p9100_copycols(void *, int, int, int, int); void p9100_erasecols(void *, int, int, int, long); void p9100_copyrows(void *, int, int, int); void p9100_eraserows(void *, int, int, long); int p9100_allocattr(void *, int, int, int, long *); void p9100_scroll(void *, void *, int); int p9100_putcmap(struct p9100_softc *, struct wsdisplay_cmap *); int p9100_getcmap(struct p9100_softc *, struct wsdisplay_cmap *); int p9100_ioctl(void *, u_long, caddr_t, int, struct lwp *); paddr_t p9100_mmap(void *, off_t, int); int p9100_alloc_screen(void *, const struct wsscreen_descr *, void **, int *, int *, long *); void p9100_free_screen(void *, void *); int p9100_show_screen(void *, void *, int, void (*)(void *, int, int), void *); void p9100_switch_screen(struct p9100_softc *); void p9100_restore_screen(struct p9100_screen *, const struct wsscreen_descr *, u_int16_t *); void p9100_clearscreen(struct p9100_softc *); int p9100_load_font(void *, void *, struct wsdisplay_font *); void p9100_init_screen(struct p9100_softc *, struct p9100_screen *, int, long *); void p9100_init_cursor(struct p9100_softc *); void p9100_set_fbcursor(struct p9100_softc *); void p9100_setcursorcmap(struct p9100_softc *); void p9100_loadcursor(struct p9100_softc *); int p9100_intr(void *); struct wsdisplay_accessops p9100_accessops = { p9100_ioctl, p9100_mmap, p9100_alloc_screen, p9100_free_screen, p9100_show_screen, NULL, /* load_font */ NULL, /* polls */ NULL, /* getwschar */ NULL, /* putwschar */ NULL, /* scroll */ NULL, /* getborder */ NULL /* setborder */ }; /* * Match a p9100. */ static int p9100_sbus_match(struct device *parent, struct cfdata *cf, void *aux) { struct sbus_attach_args *sa = aux; return (strcmp("p9100", sa->sa_name) == 0); } /* * Attach a display. We need to notice if it is the console, too. */ static void p9100_sbus_attach(struct device *parent, struct device *self, void *args) { struct p9100_softc *sc = (struct p9100_softc *)self; struct sbus_attach_args *sa = args; struct fbdevice *fb = &sc->sc_fb; int isconsole; int node; int i, j; #if NWSDISPLAY > 0 struct wsemuldisplaydev_attach_args aa; struct rasops_info *ri; unsigned long defattr; #endif /* Remember cookies for p9100_mmap() */ sc->sc_bustag = sa->sa_bustag; sc->sc_ctl_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base); sc->sc_ctl_psize = 0x8000;/*(bus_size_t)sa->sa_reg[0].oa_size;*/ sc->sc_cmd_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_reg[1].oa_space, sa->sa_reg[1].oa_base); sc->sc_cmd_psize = (bus_size_t)sa->sa_reg[1].oa_size; sc->sc_fb_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_reg[2].oa_space, sa->sa_reg[2].oa_base); sc->sc_fb_psize = (bus_size_t)sa->sa_reg[2].oa_size; fb->fb_driver = &p9100fbdriver; fb->fb_device = &sc->sc_dev; fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags & FB_USERMASK; #ifdef PNOZZ_EMUL_CG3 fb->fb_type.fb_type = FBTYPE_SUN3COLOR; #else fb->fb_type.fb_type = FBTYPE_P9100; #endif fb->fb_pixels = NULL; sc->sc_mode = WSDISPLAYIO_MODE_EMUL; #ifdef PNOZZ_SOFT_PUTCHAR sc->putchar = NULL; #endif LIST_INIT(&sc->screens); sc->active = NULL; sc->currenttype = &p9100_defscreendesc; callout_init(&sc->switch_callout); node = sa->sa_node; isconsole = fb_is_console(node); if (!isconsole) { printf("\n%s: fatal error: PROM didn't configure device\n", self->dv_xname); return; } /* * When the ROM has mapped in a p9100 display, the address * maps only the video RAM, so in any case we have to map the * registers ourselves. We only need the video RAM if we are * going to print characters via rconsole. */ if (sbus_bus_map(sc->sc_bustag, sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base, /* * XXX for some reason the SBus resources don't cover * all registers, so we just map what we need */ /*sc->sc_ctl_psize*/ 0x8000, /*BUS_SPACE_MAP_LINEAR*/0, &sc->sc_ctl_memh) != 0) { printf("%s: cannot map control registers\n", self->dv_xname); return; } if (sa->sa_npromvaddrs != 0) fb->fb_pixels = (caddr_t)sa->sa_promvaddrs[0]; if (fb->fb_pixels == NULL) { if (sbus_bus_map(sc->sc_bustag, sa->sa_reg[2].oa_space, sa->sa_reg[2].oa_base, sc->sc_fb_psize, BUS_SPACE_MAP_LINEAR, &sc->sc_fb_memh) != 0) { printf("%s: cannot map framebuffer\n", self->dv_xname); return; } fb->fb_pixels = (char *)sc->sc_fb_memh; } else { sc->sc_fb_memh = (bus_space_handle_t) fb->fb_pixels; } i = p9100_ctl_read_4(sc, 0x0004); switch ((i >> 26) & 7) { case 5: fb->fb_type.fb_depth = 32; break; case 7: fb->fb_type.fb_depth = 24; break; case 3: fb->fb_type.fb_depth = 16; break; case 2: fb->fb_type.fb_depth = 8; break; default: { panic("pnozz: can't determine screen depth (0x%02x)", i); } } sc->sc_depth = (fb->fb_type.fb_depth >> 3); /* XXX for some reason I get a kernel trap with this */ sc->sc_width = prom_getpropint(node, "width", 800); sc->sc_height = prom_getpropint(node, "height", 600); sc->sc_stride = prom_getpropint(node, "linebytes", sc->sc_width * (fb->fb_type.fb_depth >> 3)); p9100_init_engine(sc); fb_setsize_obp(fb, fb->fb_type.fb_depth, sc->sc_width, sc->sc_height, node); sbus_establish(&sc->sc_sd, &sc->sc_dev); fb->fb_type.fb_size = fb->fb_type.fb_height * fb->fb_linebytes; printf(": rev %d, %dx%d, depth %d mem %x", (i & 7), fb->fb_type.fb_width, fb->fb_type.fb_height, fb->fb_type.fb_depth, (unsigned int)sc->sc_fb_psize); fb->fb_type.fb_cmsize = prom_getpropint(node, "cmsize", 256); if ((1 << fb->fb_type.fb_depth) != fb->fb_type.fb_cmsize) printf(", %d entry colormap", fb->fb_type.fb_cmsize); /* Initialize the default color map. */ /*bt_initcmap(&sc->sc_cmap, 256);*/ j = 0; for (i = 0; i < 256; i++) { sc->sc_cmap.cm_map[i][0] = rasops_cmap[j]; j++; sc->sc_cmap.cm_map[i][1] = rasops_cmap[j]; j++; sc->sc_cmap.cm_map[i][2] = rasops_cmap[j]; j++; } p9100loadcmap(sc, 0, 256); /* make sure we are not blanked */ if (isconsole) p9100_set_video(sc, 1); if (shutdownhook_establish(p9100_shutdown, sc) == NULL) { panic("%s: could not establish shutdown hook", sc->sc_dev.dv_xname); } if (isconsole) { printf(" (console)\n"); #ifdef RASTERCONSOLE /*p9100loadcmap(sc, 255, 1);*/ fbrcons_init(fb); #endif } else printf("\n"); #if NWSDISPLAY > 0 wsfont_init(); p9100_init_screen(sc, &p9100_console_screen, 1, &defattr); p9100_console_screen.active = 1; sc->active = &p9100_console_screen; ri = &p9100_console_screen.ri; p9100_defscreendesc.nrows = ri->ri_rows; p9100_defscreendesc.ncols = ri->ri_cols; p9100_defscreendesc.textops = &ri->ri_ops; p9100_defscreendesc.capabilities = ri->ri_caps; if(isconsole) { wsdisplay_cnattach(&p9100_defscreendesc, ri, 0, 0, defattr); } sc->sc_bg = (defattr >> 16) & 0xff; p9100_clearscreen(sc); p9100_init_cursor(sc); aa.console = isconsole; aa.scrdata = &p9100_screenlist; aa.accessops = &p9100_accessops; aa.accesscookie = sc; config_found(self, &aa, wsemuldisplaydevprint); #endif /* attach the fb */ fb_attach(fb, isconsole); #if 0 p9100_rectfill(sc, 10, 10, 200, 200, 0x01); p9100_rectfill(sc, 210, 10, 200, 200, 0xff); p9100_bitblt(sc, 10, 10, 110, 110, 400, 200, ROP_SRC); #endif #if 0 p9100_setup_mono(sc, 750, 500, 32, 1, 1, 6); { uint32_t ev = 0xc3000000, odd = 0x3c000000; for (i = 0; i < 16; i++) { p9100_feed_line(sc, 1, (uint8_t*)&ev); p9100_feed_line(sc, 1, (uint8_t*)&odd); } } delay(4000000); #endif } static void p9100_shutdown(arg) void *arg; { struct p9100_softc *sc = arg; #ifdef RASTERCONSOLE sc->sc_cmap.cm_map[0][0] = 0xff; sc->sc_cmap.cm_map[0][1] = 0xff; sc->sc_cmap.cm_map[0][2] = 0xff; sc->sc_cmap.cm_map[1][0] = 0; sc->sc_cmap.cm_map[1][1] = 0; sc->sc_cmap.cm_map[1][2] = 0x00; p9100loadcmap(sc, 0, 2); sc->sc_cmap.cm_map[255][0] = 0; sc->sc_cmap.cm_map[255][1] = 0; sc->sc_cmap.cm_map[255][2] = 0; p9100loadcmap(sc, 255, 1); #endif p9100_set_video(sc, 1); } int p9100open(dev_t dev, int flags, int mode, struct lwp *l) { int unit = minor(dev); if (unit >= pnozz_cd.cd_ndevs || pnozz_cd.cd_devs[unit] == NULL) return (ENXIO); return (0); } int p9100ioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct lwp *l) { struct p9100_softc *sc = pnozz_cd.cd_devs[minor(dev)]; struct fbgattr *fba; int error, v; 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 */ /* XXX should use retrace interrupt */ p9100loadcmap(sc, p->index, p->count); #undef p break; case FBIOGVIDEO: *(int *)data = p9100_get_video(sc); break; case FBIOSVIDEO: p9100_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: p->set = FB_CUR_SETALL; /* close enough, anyway */ p->enable = pc->pc_enable; p->pos = pc->pc_pos; p->hot = pc->pc_hot; p->size = pc->pc_size; if (p->image != NULL) { error = copyout(pc->pc_bits, p->image, 0x200); if (error) return error; error = copyout(&pc->pc_bits[0x80], p->mask, 0x200); if (error) return error; } p->cmap.index = 0; p->cmap.count = 3; if (p->cmap.red != NULL) { copyout(pc->red, p->cmap.red, 3); copyout(pc->green, p->cmap.green, 3); copyout(pc->blue, p->cmap.blue, 3); } break; case FBIOSCURSOR: { int count; uint32_t image[0x80], mask[0x80]; uint8_t red[3], green[3], blue[3]; v = p->set; if (v & FB_CUR_SETCMAP) { error = copyin(p->cmap.red, red, 3); error |= copyin(p->cmap.green, green, 3); error |= copyin(p->cmap.blue, blue, 3); if (error) return error; } if (v & FB_CUR_SETSHAPE) { if (p->size.x > 64 || p->size.y > 64) return EINVAL; memset(&mask, 0, 0x200); memset(&image, 0, 0x200); count = p->size.y * 8; error = copyin(p->image, image, count); if (error) return error; error = copyin(p->mask, mask, count); if (error) return error; } /* parameters are OK; do it */ if (v & (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT)) { if (v & FB_CUR_SETCUR) pc->pc_enable = p->enable; if (v & FB_CUR_SETPOS) pc->pc_pos = p->pos; if (v & FB_CUR_SETHOT) pc->pc_hot = p->hot; p9100_set_fbcursor(sc); } if (v & FB_CUR_SETCMAP) { memcpy(pc->red, red, 3); memcpy(pc->green, green, 3); memcpy(pc->blue, blue, 3); p9100_setcursorcmap(sc); } if (v & FB_CUR_SETSHAPE) { memcpy(pc->pc_bits, image, 0x200); memcpy(&pc->pc_bits[0x80], mask, 0x200); p9100_loadcursor(sc); } } break; #undef p #undef cc case FBIOGCURPOS: *(struct fbcurpos *)data = sc->sc_cursor.pc_pos; break; case FBIOSCURPOS: sc->sc_cursor.pc_pos = *(struct fbcurpos *)data; p9100_set_fbcursor(sc); 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 uint32_t p9100_ctl_read_4(struct p9100_softc *sc, bus_size_t off) { sc->sc_junk = bus_space_read_4(sc->sc_bustag, sc->sc_fb_memh, off); return bus_space_read_4(sc->sc_bustag, sc->sc_ctl_memh, off); } static void p9100_ctl_write_4(struct p9100_softc *sc, bus_size_t off, uint32_t v) { sc->sc_junk = bus_space_read_4(sc->sc_bustag, sc->sc_fb_memh, off); bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh, off, v); } /* wait until the engine is idle */ static void p9100_sync(struct p9100_softc *sc) { while((p9100_ctl_read_4(sc, ENGINE_STATUS) & (ENGINE_BUSY | BLITTER_BUSY)) != 0); } static void p9100_set_color_reg(struct p9100_softc *sc, int reg, int32_t col) { uint32_t out; switch(sc->sc_depth) { case 1: /* 8 bit */ out = (col << 8) | col; out |= out << 16; break; case 2: /* 16 bit */ out = col | (col << 16); break; default: out = col; } p9100_ctl_write_4(sc, reg, out); } /* initialize the drawing engine */ static void p9100_init_engine(struct p9100_softc *sc) { /* reset clipping rectangles */ uint32_t rmax = ((sc->sc_width & 0x3fff) << 16) | (sc->sc_height & 0x3fff); p9100_ctl_write_4(sc, WINDOW_OFFSET, 0); p9100_ctl_write_4(sc, WINDOW_MIN, 0); p9100_ctl_write_4(sc, WINDOW_MAX, rmax); p9100_ctl_write_4(sc, BYTE_CLIP_MIN, 0); p9100_ctl_write_4(sc, BYTE_CLIP_MAX, rmax); p9100_ctl_write_4(sc, DRAW_MODE, 0); p9100_ctl_write_4(sc, PLANE_MASK, 0xffffffff); p9100_ctl_write_4(sc, PATTERN0, 0xffffffff); p9100_ctl_write_4(sc, PATTERN1, 0xffffffff); p9100_ctl_write_4(sc, PATTERN2, 0xffffffff); p9100_ctl_write_4(sc, PATTERN3, 0xffffffff); } /* screen-to-screen blit */ void p9100_bitblt(struct p9100_softc *sc, int xs, int ys, int xd, int yd, int wi, int he, uint32_t rop) { uint32_t src, dst, srcw, dstw, junk; src = ((xs & 0x3fff) << 16) | (ys & 0x3fff); dst = ((xd & 0x3fff) << 16) | (yd & 0x3fff); srcw = (((xs + wi - 1) & 0x3fff) << 16) | ((ys + he - 1) & 0x3fff); dstw = (((xd + wi - 1) & 0x3fff) << 16) | ((yd + he - 1) & 0x3fff); p9100_sync(sc); p9100_ctl_write_4(sc, RASTER_OP, rop); p9100_ctl_write_4(sc, ABS_XY0, src); p9100_ctl_write_4(sc, ABS_XY1, srcw); p9100_ctl_write_4(sc, ABS_XY2, dst); p9100_ctl_write_4(sc, ABS_XY3, dstw); junk = p9100_ctl_read_4(sc, COMMAND_BLIT); } /* solid rectangle fill */ void p9100_rectfill(struct p9100_softc *sc, int xs, int ys, int wi, int he, uint32_t col) { uint32_t src, srcw, junk; src = ((xs & 0x3fff) << 16) | (ys & 0x3fff); srcw = (((xs + wi) & 0x3fff) << 16) | ((ys + he) & 0x3fff); p9100_sync(sc); p9100_set_color_reg(sc, FOREGROUND_COLOR, col); p9100_set_color_reg(sc, BACKGROUND_COLOR, col); p9100_ctl_write_4(sc, RASTER_OP, ROP_PAT); p9100_ctl_write_4(sc, COORD_INDEX, 0); p9100_ctl_write_4(sc, RECT_RTW_XY, src); p9100_ctl_write_4(sc, RECT_RTW_XY, srcw); junk=p9100_ctl_read_4(sc, COMMAND_QUAD); } /* setup for mono->colour expansion */ void p9100_setup_mono(struct p9100_softc *sc, int x, int y, int wi, int he, uint32_t fg, uint32_t bg) { p9100_sync(sc); /* * this doesn't make any sense to me either, but for some reason the * chip applies the foreground colour to 0 pixels */ p9100_set_color_reg(sc,FOREGROUND_COLOR,bg); p9100_set_color_reg(sc,BACKGROUND_COLOR,fg); p9100_ctl_write_4(sc, RASTER_OP, ROP_SRC); p9100_ctl_write_4(sc, ABS_X0, x); p9100_ctl_write_4(sc, ABS_XY1, (x << 16) | (y & 0xFFFFL)); p9100_ctl_write_4(sc, ABS_X2, (x + wi)); p9100_ctl_write_4(sc, ABS_Y3, he); /* now feed the data into the chip */ sc->sc_mono_width = wi; } /* write monochrome data to the screen through the blitter */ void p9100_feed_line(struct p9100_softc *sc, int count, uint8_t *data) { int i; uint32_t latch = 0, bork; int shift = 24; int to_go = sc->sc_mono_width; for (i = 0; i < count; i++) { bork = data[i]; latch |= (bork << shift); if (shift == 0) { /* check how many bits are significant */ if (to_go > 31) { p9100_ctl_write_4(sc, (PIXEL_1 + (31 << 2)), latch); to_go -= 32; } else { p9100_ctl_write_4(sc, (PIXEL_1 + ((to_go - 1) << 2)), latch); to_go = 0; } latch = 0; shift = 24; } else shift -= 8; } if (shift != 24) p9100_ctl_write_4(sc, (PIXEL_1 + ((to_go - 1) << 2)), latch); } void p9100_clearscreen(struct p9100_softc *sc) { p9100_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, sc->sc_bg); } uint8_t p9100_ramdac_read(struct p9100_softc *sc, bus_size_t off) { sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG); sc->sc_junk = bus_space_read_4(sc->sc_bustag, sc->sc_fb_memh, off); return ((bus_space_read_4(sc->sc_bustag, sc->sc_ctl_memh, off) >> 16) & 0xff); } void p9100_ramdac_write(struct p9100_softc *sc, bus_size_t off, uint8_t v) { sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG); sc->sc_junk = bus_space_read_4(sc->sc_bustag, sc->sc_fb_memh, off); bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh, off, ((uint32_t)v) << 16); } /* * Undo the effect of an FBIOSVIDEO that turns the video off. */ static void p9100unblank(struct device *dev) { p9100_set_video((struct p9100_softc *)dev, 1); } static void p9100_set_video(struct p9100_softc *sc, int enable) { u_int32_t v = p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1); if (enable) v |= VIDEO_ENABLED; else v &= ~VIDEO_ENABLED; p9100_ctl_write_4(sc, SCRN_RPNT_CTL_1, v); #if NTCTRL > 0 /* Turn On/Off the TFT if we know how. */ tadpole_set_video(enable); #endif } static int p9100_get_video(struct p9100_softc *sc) { return (p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1) & VIDEO_ENABLED) != 0; } /* * Load a subset of the current (new) colormap into the IBM RAMDAC. */ static void p9100loadcmap(struct p9100_softc *sc, int start, int ncolors) { int i; p9100_ramdac_write(sc, DAC_CMAP_WRIDX, start); for (i=0;isc_cmap.cm_map[i + start][0]); p9100_ramdac_write(sc, DAC_CMAP_DATA, sc->sc_cmap.cm_map[i + start][1]); p9100_ramdac_write(sc, DAC_CMAP_DATA, sc->sc_cmap.cm_map[i + start][2]); } } /* * Return the address that would map the given device at the given * offset, allowing for the given protection, or return -1 for error. */ paddr_t p9100mmap(dev_t dev, off_t off, int prot) { struct p9100_softc *sc = pnozz_cd.cd_devs[minor(dev)]; if (off & PGOFSET) panic("p9100mmap"); if (off < 0) return (-1); #ifdef PNOZZ_EMUL_CG3 #define CG3_MMAP_OFFSET 0x04000000 /* Make Xsun think we are a CG3 (SUN3COLOR) */ if (off >= CG3_MMAP_OFFSET && off < CG3_MMAP_OFFSET + sc->sc_fb_psize) { off -= CG3_MMAP_OFFSET; return (bus_space_mmap(sc->sc_bustag, sc->sc_fb_paddr, off, prot, BUS_SPACE_MAP_LINEAR)); } #endif if (off >= sc->sc_fb_psize + sc->sc_ctl_psize + sc->sc_cmd_psize) return (-1); if (off < sc->sc_fb_psize) { return (bus_space_mmap(sc->sc_bustag, sc->sc_fb_paddr, off, prot, BUS_SPACE_MAP_LINEAR)); } off -= sc->sc_fb_psize; if (off < sc->sc_ctl_psize) { return (bus_space_mmap(sc->sc_bustag, sc->sc_ctl_paddr, off, prot, BUS_SPACE_MAP_LINEAR)); } off -= sc->sc_ctl_psize; return (bus_space_mmap(sc->sc_bustag, sc->sc_cmd_paddr, off, prot, BUS_SPACE_MAP_LINEAR)); } /* wscons stuff */ void p9100_switch_screen(struct p9100_softc *sc) { struct p9100_screen *scr, *oldscr; scr = sc->wanted; if (!scr) { printf("p9100_switch_screen: disappeared\n"); (*sc->switchcb)(sc->switchcbarg, EIO, 0); return; } oldscr = sc->active; /* can be NULL! */ #ifdef DIAGNOSTIC if (oldscr) { if (!oldscr->active) panic("p9100_switch_screen: not active"); } #endif if (scr == oldscr) return; #ifdef DIAGNOSTIC if (scr->active) panic("p9100_switch_screen: active"); #endif if (oldscr) oldscr->active = 0; #ifdef notyet if (sc->currenttype != type) { p9100_set_screentype(sc, type); sc->currenttype = type; } #endif /* Clear the entire screen. */ scr->active = 1; p9100_restore_screen(scr, &p9100_defscreendesc, scr->chars); sc->active = scr; scr->ri.ri_ops.cursor(scr, scr->cursoron, scr->cursorrow, scr->cursorcol); sc->wanted = 0; if (sc->switchcb) (*sc->switchcb)(sc->switchcbarg, 0, 0); } void p9100_restore_screen(struct p9100_screen *scr, const struct wsscreen_descr *type, u_int16_t *mem) { int i, j, offset = 0; uint16_t *charptr = scr->chars; long *attrptr = scr->attrs; p9100_clearscreen(scr->sc); for (i = 0; i < scr->ri.ri_rows; i++) { for (j = 0; j < scr->ri.ri_cols; j++) { p9100_putchar(scr, i, j, charptr[offset], attrptr[offset]); offset++; } } scr->cursordrawn = 0; } void p9100_cursor(void *cookie, int on, int row, int col) { struct rasops_info *ri = cookie; struct p9100_screen *scr = ri->ri_hw; struct p9100_softc *sc = scr->sc; int x, y, wi,he; wi = ri->ri_font->fontwidth; he = ri->ri_font->fontheight; if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { x = scr->cursorcol * wi + ri->ri_xorigin; y = scr->cursorrow * he + ri->ri_yorigin; if (scr->cursordrawn) { p9100_bitblt(sc, x, y, x, y, wi, he, (ROP_SRC ^ 0xff)); scr->cursordrawn = 0; } scr->cursorrow = row; scr->cursorcol = col; if ((scr->cursoron = on) != 0) { x = scr->cursorcol * wi + ri->ri_xorigin; y = scr->cursorrow * he + ri->ri_yorigin; p9100_bitblt(sc, x, y, x, y, wi, he, (ROP_SRC ^ 0xff)); scr->cursordrawn = 1; } } else { scr->cursoron = on; scr->cursorrow = row; scr->cursorcol = col; scr->cursordrawn = 0; } } #if 0 int p9100_mapchar(void *cookie, int uni, u_int *index) { return 0; } #endif void p9100_putchar(void *cookie, int row, int col, u_int c, long attr) { struct rasops_info *ri = cookie; struct p9100_screen *scr = ri->ri_hw; struct p9100_softc *sc = scr->sc; int pos; if ((row >= 0) && (row < ri->ri_rows) && (col >= 0) && (col < ri->ri_cols)) { pos = col + row * ri->ri_cols; scr->attrs[pos] = attr; scr->chars[pos] = c; #ifdef PNOZZ_SOFT_PUTCHAR if ((sc->putchar != NULL) && ( scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { p9100_sync(sc); sc->putchar(cookie, row, col, c, attr); } #else if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { int fg, bg, uc, i; uint8_t *data; int x, y, wi,he; wi = ri->ri_font->fontwidth; he = ri->ri_font->fontheight; if (!CHAR_IN_FONT(c, ri->ri_font)) return; bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xff]; fg = (u_char)ri->ri_devcmap[(attr >> 24) & 0xff]; x = ri->ri_xorigin + col * wi; y = ri->ri_yorigin + row * he; if (c == 0x20) { p9100_rectfill(sc, x, y, wi, he, bg); } else { uc = c-ri->ri_font->firstchar; data = (uint8_t *)ri->ri_font->data + uc * ri->ri_fontscale; p9100_setup_mono(sc, x, y, wi, 1, fg, bg); for (i = 0; i < he; i++) { p9100_feed_line(sc, ri->ri_font->stride, data); data += ri->ri_font->stride; } /*p9100_sync(sc);*/ } } #endif } } void p9100_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) { struct rasops_info *ri = cookie; struct p9100_screen *scr = ri->ri_hw; struct p9100_softc *sc = scr->sc; int32_t xs, xd, y, width, height; int from = srccol + row * ri->ri_cols; int to = dstcol + row * ri->ri_cols; memmove(&scr->attrs[to], &scr->attrs[from], ncols * sizeof(long)); memmove(&scr->chars[to], &scr->chars[from], ncols * sizeof(uint16_t)); if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 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; p9100_bitblt(sc, xs, y, xd, y, width, height, ROP_SRC); } } void p9100_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) { struct rasops_info *ri = cookie; struct p9100_screen *scr = ri->ri_hw; struct p9100_softc *sc = scr->sc; int32_t x, y, width, height, bg; int start = startcol + row * ri->ri_cols; int end = start + ncols, i; for (i = start; i < end; i++) { scr->attrs[i] = fillattr; scr->chars[i] = 0x20; } if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 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 = (fillattr >> 16) & 0xff; p9100_rectfill(sc, x, y, width, height, bg); } } void p9100_copyrows(void *cookie, int srcrow, int dstrow, int nrows) { struct rasops_info *ri = cookie; struct p9100_screen *scr = ri->ri_hw; struct p9100_softc *sc = scr->sc; int32_t x, ys, yd, width, height; int from, to, len; from = ri->ri_cols * srcrow; to = ri->ri_cols * dstrow; len = ri->ri_cols * nrows; memmove(&scr->attrs[to], &scr->attrs[from], len * sizeof(long)); memmove(&scr->chars[to], &scr->chars[from], len * sizeof(uint16_t)); if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { 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; p9100_bitblt(sc, x, ys, x, yd, width, height, ROP_SRC); } } void p9100_eraserows(void *cookie, int row, int nrows, long fillattr) { struct rasops_info *ri = cookie; struct p9100_screen *scr = ri->ri_hw; struct p9100_softc *sc = scr->sc; int32_t x,y,width,height,bg; int start, end, i; start = ri->ri_cols * row; end = ri->ri_cols * (row + nrows); for (i = start; i < end; i++) { scr->attrs[i] = fillattr; scr->chars[i] = 0x20; } if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { x = ri->ri_xorigin; y = ri->ri_yorigin + ri->ri_font->fontheight * row; width = ri->ri_emuwidth; height = ri->ri_font->fontheight * nrows; bg = (fillattr >> 16) & 0xff; p9100_rectfill(sc, x, y, width, height, bg); } } int p9100_allocattr(void *cookie, int fg, int bg, int flags, long *attrp) { if ((fg == 0) && (bg == 0)) { fg = WS_DEFAULT_FG; bg = WS_DEFAULT_BG; } if (flags & WSATTR_REVERSE) { *attrp = (bg & 0xff) << 24 | (fg & 0xff) << 16 | (flags & 0xff) << 8; } else *attrp = (fg & 0xff) << 24 | (bg & 0xff) << 16 | (flags & 0xff) << 8; return 0; } /* * wsdisplay_accessops */ int p9100_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct lwp *l) { struct p9100_softc *sc = v; struct wsdisplay_fbinfo *wdf; struct p9100_screen *ms = sc->active; switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_SB_P9100; return 0; case FBIOGVIDEO: case WSDISPLAYIO_GVIDEO: *(int *)data = p9100_get_video(sc); return 0; case WSDISPLAYIO_SVIDEO: case FBIOSVIDEO: p9100_set_video(sc, *(int *)data); return 0; case WSDISPLAYIO_GINFO: wdf = (void *)data; wdf->height = ms->ri.ri_height; wdf->width = ms->ri.ri_width; wdf->depth = ms->ri.ri_depth; wdf->cmsize = 256; return 0; case WSDISPLAYIO_GETCMAP: return p9100_getcmap(sc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_PUTCMAP: return p9100_putcmap(sc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_SMODE: { int new_mode = *(int*)data; if (new_mode != sc->sc_mode) { sc->sc_mode = new_mode; if (new_mode == WSDISPLAYIO_MODE_EMUL) { p9100_init_engine(sc); p9100loadcmap(sc,0,256); p9100_restore_screen(ms, ms->type, ms->chars); p9100_cursor(ms, ms->cursoron, ms->cursorrow, ms->cursorcol); } } } } return EPASSTHROUGH; } paddr_t p9100_mmap(void *v, off_t offset, int prot) { struct p9100_softc *sc = v; paddr_t pa; /* 'regular' framebuffer mmap()ing */ if (offset < sc->sc_fb_psize) { pa = bus_space_mmap(sc->sc_bustag, sc->sc_fb_paddr + offset, 0, prot, BUS_SPACE_MAP_LINEAR); return pa; } if ((offset >= sc->sc_fb_paddr) && (offset < (sc->sc_fb_paddr + sc->sc_fb_psize))) { pa = bus_space_mmap(sc->sc_bustag, offset, 0, prot, BUS_SPACE_MAP_LINEAR); return pa; } if ((offset >= sc->sc_ctl_paddr) && (offset < (sc->sc_ctl_paddr + sc->sc_ctl_psize))) { pa = bus_space_mmap(sc->sc_bustag, offset, 0, prot, BUS_SPACE_MAP_LINEAR); return pa; } return -1; } void p9100_init_screen(struct p9100_softc *sc, struct p9100_screen *scr, int existing, long *defattr) { struct rasops_info *ri = &scr->ri; int cnt; scr->sc = sc; /*scr->type = type;*/ scr->dispoffset = 0; scr->cursorcol = 0; scr->cursorrow = 0; scr->cursordrawn=0; ri->ri_depth = sc->sc_depth << 3; ri->ri_width = sc->sc_width; ri->ri_height = sc->sc_height; ri->ri_stride = sc->sc_stride; ri->ri_flg = RI_CENTER; ri->ri_bits = bus_space_vaddr(sc->sc_bustag, sc->sc_fb_memh); #ifdef DEBUG_P9100 printf("addr: %08lx\n",(ulong)ri->ri_bits); #endif 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); p9100_allocattr(ri, WS_DEFAULT_FG, WS_DEFAULT_BG, 0, defattr); /* * we allocate both chars and attributes in one chunk, attributes first * because they have the (potentially) bigger alignment */ cnt=ri->ri_rows * ri->ri_cols; scr->attrs = (long *)malloc(cnt * (sizeof(long) + sizeof(uint16_t)), M_DEVBUF, M_WAITOK); scr->chars = (uint16_t *)&scr->attrs[cnt]; /* enable acceleration */ ri->ri_hw = scr; ri->ri_ops.copyrows = p9100_copyrows; ri->ri_ops.copycols = p9100_copycols; ri->ri_ops.eraserows = p9100_eraserows; ri->ri_ops.erasecols = p9100_erasecols; ri->ri_ops.cursor = p9100_cursor; ri->ri_ops.allocattr = p9100_allocattr; #ifdef PNOZZ_SOFT_PUTCHAR if (sc->putchar == NULL) sc->putchar=ri->ri_ops.putchar; #endif ri->ri_ops.putchar = p9100_putchar; if (existing) { scr->active = 1; } else { scr->active = 0; } p9100_eraserows(&scr->ri, 0, ri->ri_rows, *defattr); LIST_INSERT_HEAD(&sc->screens, scr, next); } int p9100_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep, int *curxp, int *curyp, long *defattrp) { struct p9100_softc *sc = v; struct p9100_screen *scr; scr = malloc(sizeof(struct p9100_screen), M_DEVBUF, M_WAITOK | M_ZERO); p9100_init_screen(sc, scr, 0, defattrp); if (sc->active == NULL) { scr->active = 1; sc->active = scr; sc->currenttype = type; } *cookiep = scr; *curxp = scr->cursorcol; *curyp = scr->cursorrow; return 0; } void p9100_free_screen(void *v, void *cookie) { struct p9100_softc *sc = v; struct p9100_screen *scr = cookie; LIST_REMOVE(scr, next); if (scr != &p9100_console_screen) { free(scr->attrs, M_DEVBUF); free(scr, M_DEVBUF); } else panic("p9100_free_screen: console"); if (sc->active == scr) sc->active = 0; } int p9100_show_screen(void *v, void *cookie, int waitok, void (*cb)(void *, int, int), void *cbarg) { struct p9100_softc *sc = v; struct p9100_screen *scr, *oldscr; scr = cookie; oldscr = sc->active; if (scr == oldscr) return 0; sc->wanted = scr; sc->switchcb = cb; sc->switchcbarg = cbarg; if (cb) { callout_reset(&sc->switch_callout, 0, (void(*)(void *))p9100_switch_screen, sc); return EAGAIN; } p9100_switch_screen(sc); return 0; } int p9100_putcmap(struct p9100_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++) { sc->sc_cmap.cm_map[index][0] = *r; sc->sc_cmap.cm_map[index][1] = *g; sc->sc_cmap.cm_map[index][2] = *b; index++; r++, g++, b++; } p9100loadcmap(sc, 0, 256); return 0; } int p9100_getcmap(struct p9100_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; } #if 0 int p9100_load_font(void *v, void *cookie, struct wsdisplay_font *data) { return 0; } #endif int p9100_intr(void *arg) { /*p9100_softc *sc=arg; printf(".");*/ return 1; } void p9100_init_cursor(struct p9100_softc *sc) { memset(&sc->sc_cursor, 0, sizeof(struct pnozz_cursor)); sc->sc_cursor.pc_size.x = 64; sc->sc_cursor.pc_size.y = 64; } void p9100_set_fbcursor(struct p9100_softc *sc) { #ifdef PNOZZ_PARANOID int s; s = splhigh(); /* just in case... */ #endif /* set position and hotspot */ p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR); p9100_ramdac_write(sc, DAC_INDX_HI, 0); p9100_ramdac_write(sc, DAC_INDX_LO, DAC_CURSOR_CTL); if (sc->sc_cursor.pc_enable) { p9100_ramdac_write(sc, DAC_INDX_DATA, DAC_CURSOR_X11 | DAC_CURSOR_64); } else p9100_ramdac_write(sc, DAC_INDX_DATA, DAC_CURSOR_OFF); /* next two registers - x low, high, y low, high */ p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_pos.x & 0xff); p9100_ramdac_write(sc, DAC_INDX_DATA, (sc->sc_cursor.pc_pos.x >> 8) & 0xff); p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_pos.y & 0xff); p9100_ramdac_write(sc, DAC_INDX_DATA, (sc->sc_cursor.pc_pos.y >> 8) & 0xff); /* hotspot */ p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_hot.x & 0xff); p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_hot.y & 0xff); #ifdef PNOZZ_PARANOID splx(s); #endif } void p9100_setcursorcmap(struct p9100_softc *sc) { int i; #ifdef PNOZZ_PARANOID int s; s = splhigh(); /* just in case... */ #endif /* set cursor colours */ p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR); p9100_ramdac_write(sc, DAC_INDX_HI, 0); p9100_ramdac_write(sc, DAC_INDX_LO, DAC_CURSOR_COL_1); for (i = 0; i < 3; i++) { p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.red[i]); p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.green[i]); p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.blue[i]); } #ifdef PNOZZ_PARANOID splx(s); #endif } void p9100_loadcursor(struct p9100_softc *sc) { uint32_t *image, *mask; uint32_t bit, bbit, im, ma; int i, j, k; uint8_t latch1, latch2; #ifdef PNOZZ_PARANOID int s; s = splhigh(); /* just in case... */ #endif /* set cursor shape */ p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR); p9100_ramdac_write(sc, DAC_INDX_HI, 1); p9100_ramdac_write(sc, DAC_INDX_LO, 0); image = sc->sc_cursor.pc_bits; mask = &sc->sc_cursor.pc_bits[0x80]; for (i = 0; i < 0x80; i++) { bit = 0x80000000; im = image[i]; ma = mask[i]; for (k = 0; k < 4; k++) { bbit = 0x1; latch1 = 0; for (j = 0; j < 4; j++) { if (im & bit) latch1 |= bbit; bbit <<= 1; if (ma & bit) latch1 |= bbit; bbit <<= 1; bit >>= 1; } bbit = 0x1; latch2 = 0; for (j = 0; j < 4; j++) { if (im & bit) latch2 |= bbit; bbit <<= 1; if (ma & bit) latch2 |= bbit; bbit <<= 1; bit >>= 1; } p9100_ramdac_write(sc, DAC_INDX_DATA, latch1); p9100_ramdac_write(sc, DAC_INDX_DATA, latch2); } } #ifdef DEBUG_CURSOR printf("image:\n"); for (i=0;i<0x80;i+=2) printf("%08x %08x\n", image[i], image[i+1]); printf("mask:\n"); for (i=0;i<0x80;i+=2) printf("%08x %08x\n", mask[i], mask[i+1]); #endif #ifdef PNOZZ_PARANOID splx(s); #endif }