/* $OpenBSD: cgsix.c,v 1.2 2001/12/05 05:38:28 jason Exp $ */ /* * Copyright (c) 2001 Jason L. Wright (jason@thought.net) * All rights reserved. * * 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 Jason L. Wright * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define CGSIX_BT_OFFSET 0x200000 #define CGSIX_BT_SIZE (sizeof(u_int32_t) * 4) #define CGSIX_FHC_OFFSET 0x300000 #define CGSIX_FHC_SIZE (sizeof(u_int32_t) * 1) #define CGSIX_THC_OFFSET 0x301000 #define CGSIX_THC_SIZE (sizeof(u_int32_t) * 640) #define CGSIX_VID_OFFSET 0x800000 #define CGSIX_VID_SIZE (1024 * 1024) struct cgsix_softc { struct device sc_dev; struct sbusdev sc_sd; bus_space_tag_t sc_bustag; bus_space_handle_t sc_bt_regs; bus_space_handle_t sc_fhc_regs; bus_space_handle_t sc_thc_regs; bus_space_handle_t sc_vid_regs; int sc_nscreens; int sc_width, sc_height, sc_depth, sc_linebytes; struct rcons sc_rcons; struct raster sc_raster; }; struct wsdisplay_emulops cgsix_emulops = { rcons_cursor, rcons_mapchar, rcons_putchar, rcons_copycols, rcons_erasecols, rcons_copyrows, rcons_eraserows, rcons_alloc_attr }; struct wsscreen_descr cgsix_stdscreen = { "std", 0, 0, /* will be filled in -- XXX shouldn't, it's global. */ 0, 0, 0, WSSCREEN_REVERSE }; const struct wsscreen_descr *cgsix_scrlist[] = { &cgsix_stdscreen, /* XXX other formats? */ }; struct wsscreen_list cgsix_screenlist = { sizeof(cgsix_scrlist) / sizeof(struct wsscreen_descr *), cgsix_scrlist }; int cgsix_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); int cgsix_alloc_screen __P((void *, const struct wsscreen_descr *, void **, int *, int *, long *)); void cgsix_free_screen __P((void *, void *)); int cgsix_show_screen __P((void *, void *, int, void (*cb) __P((void *, int, int)), void *)); paddr_t cgsix_mmap __P((void *, off_t, int)); int cgsix_is_console __P((int)); static int a2int __P((char *, int)); struct wsdisplay_accessops cgsix_accessops = { cgsix_ioctl, cgsix_mmap, cgsix_alloc_screen, cgsix_free_screen, cgsix_show_screen, 0 /* load_font */ }; int cgsixmatch __P((struct device *, void *, void *)); void cgsixattach __P((struct device *, struct device *, void *)); struct cfattach cgsix_ca = { sizeof (struct cgsix_softc), cgsixmatch, cgsixattach }; struct cfdriver cgsix_cd = { NULL, "cgsix", DV_DULL }; int cgsixmatch(parent, vcf, aux) struct device *parent; void *vcf, *aux; { struct cfdata *cf = vcf; struct sbus_attach_args *sa = aux; return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0); } void cgsixattach(parent, self, aux) struct device *parent, *self; void *aux; { struct cgsix_softc *sc = (struct cgsix_softc *)self; struct sbus_attach_args *sa = aux; struct wsemuldisplaydev_attach_args waa; int console; long defattr; sc->sc_bustag = sa->sa_bustag; if (sa->sa_nreg != 1) { printf(": expected %d registers, got %d\n", 1, sa->sa_nreg); goto fail; } /* * Map just BT, FHC, THC, and video RAM. */ if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot, sa->sa_reg[0].sbr_offset + CGSIX_BT_OFFSET, CGSIX_BT_SIZE, BUS_SPACE_MAP_LINEAR, 0, &sc->sc_bt_regs) != 0) { printf(": cannot map bt registers\n", self->dv_xname); goto fail_bt; } if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot, sa->sa_reg[0].sbr_offset + CGSIX_FHC_OFFSET, CGSIX_FHC_SIZE, BUS_SPACE_MAP_LINEAR, 0, &sc->sc_fhc_regs) != 0) { printf(": cannot map fhc registers\n", self->dv_xname); goto fail_fhc; } if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot, sa->sa_reg[0].sbr_offset + CGSIX_THC_OFFSET, CGSIX_THC_SIZE, BUS_SPACE_MAP_LINEAR, 0, &sc->sc_thc_regs) != 0) { printf(": cannot map thc registers\n", self->dv_xname); goto fail_thc; } if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot, sa->sa_reg[0].sbr_offset + CGSIX_VID_OFFSET, CGSIX_VID_SIZE, BUS_SPACE_MAP_LINEAR, 0, &sc->sc_vid_regs) != 0) { printf(": cannot map vid registers\n", self->dv_xname); goto fail_vid; } console = cgsix_is_console(sa->sa_node); sc->sc_depth = getpropint(sa->sa_node, "depth", -1); if (sc->sc_depth == -1) sc->sc_depth = 8; sc->sc_linebytes = getpropint(sa->sa_node, "linebytes", -1); if (sc->sc_linebytes == -1) sc->sc_linebytes = 1152; sc->sc_height = getpropint(sa->sa_node, "height", -1); if (sc->sc_height == -1) sc->sc_height = 900; sc->sc_width = getpropint(sa->sa_node, "width", -1); if (sc->sc_width == -1) sc->sc_width = 1152; sbus_establish(&sc->sc_sd, &sc->sc_dev); sc->sc_rcons.rc_sp = &sc->sc_raster; sc->sc_raster.width = sc->sc_width; sc->sc_raster.height = sc->sc_height; sc->sc_raster.depth = sc->sc_depth; sc->sc_raster.linelongs = sc->sc_linebytes / 4; sc->sc_raster.pixels = (void *)sc->sc_vid_regs; if (console == 0 || romgetcursoraddr(&sc->sc_rcons.rc_crowp, &sc->sc_rcons.rc_ccolp)) { sc->sc_rcons.rc_crow = sc->sc_rcons.rc_ccol = -1; sc->sc_rcons.rc_crowp = &sc->sc_rcons.rc_crow; sc->sc_rcons.rc_ccolp = &sc->sc_rcons.rc_ccol; } sc->sc_rcons.rc_maxcol = a2int(getpropstring(optionsnode, "screen-#columns"), 80); sc->sc_rcons.rc_maxrow = a2int(getpropstring(optionsnode, "screen-#rows"), 34); rcons_init(&sc->sc_rcons, sc->sc_rcons.rc_maxrow, sc->sc_rcons.rc_maxcol); cgsix_stdscreen.nrows = sc->sc_rcons.rc_maxrow; cgsix_stdscreen.ncols = sc->sc_rcons.rc_maxcol; cgsix_stdscreen.textops = &cgsix_emulops; rcons_alloc_attr(&sc->sc_rcons, 0, 0, 0, &defattr); printf("\n"); if (console) wsdisplay_cnattach(&cgsix_stdscreen, &sc->sc_rcons, *sc->sc_rcons.rc_ccolp, *sc->sc_rcons.rc_crowp, defattr); waa.console = console; waa.scrdata = &cgsix_screenlist; waa.accessops = &cgsix_accessops; waa.accesscookie = sc; config_found(self, &waa, wsemuldisplaydevprint); return; fail_vid: bus_space_unmap(sa->sa_bustag, sc->sc_thc_regs, CGSIX_THC_SIZE); fail_thc: bus_space_unmap(sa->sa_bustag, sc->sc_fhc_regs, CGSIX_FHC_SIZE); fail_fhc: bus_space_unmap(sa->sa_bustag, sc->sc_bt_regs, CGSIX_BT_SIZE); fail_bt: fail: } int cgsix_ioctl(v, cmd, data, flags, p) void *v; u_long cmd; caddr_t data; int flags; struct proc *p; { struct cgsix_softc *sc = v; struct wsdisplay_fbinfo *wdf; switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_UNKNOWN; break; case WSDISPLAYIO_GINFO: wdf = (void *)data; wdf->height = sc->sc_height; wdf->width = sc->sc_width; wdf->depth = sc->sc_depth; wdf->cmsize = 256; break; case WSDISPLAYIO_LINEBYTES: *(u_int *)data = sc->sc_linebytes; break; #if 0 case WSDISPLAYIO_GETCMAP: return vgafb_getcmap(vc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_PUTCMAP: return vgafb_putcmap(vc, (struct wsdisplay_cmap *)data); #endif case WSDISPLAYIO_SVIDEO: case WSDISPLAYIO_GVIDEO: case WSDISPLAYIO_GCURPOS: case WSDISPLAYIO_SCURPOS: case WSDISPLAYIO_GCURMAX: case WSDISPLAYIO_GCURSOR: case WSDISPLAYIO_SCURSOR: default: return -1; /* not supported yet */ } return (0); } int cgsix_alloc_screen(v, type, cookiep, curxp, curyp, attrp) void *v; const struct wsscreen_descr *type; void **cookiep; int *curxp, *curyp; long *attrp; { struct cgsix_softc *sc = v; if (sc->sc_nscreens > 0) return (ENOMEM); *cookiep = &sc->sc_rcons; *curyp = *sc->sc_rcons.rc_crowp; *curxp = *sc->sc_rcons.rc_ccolp; rcons_alloc_attr(&sc->sc_rcons, 0, 0, 0, attrp); sc->sc_nscreens++; return (0); } void cgsix_free_screen(v, cookie) void *v; void *cookie; { struct cgsix_softc *sc = v; sc->sc_nscreens--; } int cgsix_show_screen(v, cookie, waitok, cb, cbarg) void *v; void *cookie; int waitok; void (*cb) __P((void *, int, int)); void *cbarg; { return (0); } paddr_t cgsix_mmap(v, offset, prot) void *v; off_t offset; int prot; { #if 0 struct cgsix_softc *sc = v; #endif if (offset & PGOFSET) return (-1); return (-1); } static int a2int(char *cp, int deflt) { int i = 0; if (*cp == '\0') return (deflt); while (*cp != '\0') i = i * 10 + *cp++ - '0'; return (i); } int cgsix_is_console(node) int node; { extern int fbnode; return (fbnode == node); }