/* $OpenBSD: sti_sgc.c,v 1.14 2003/07/16 06:42:06 mickey Exp $ */ /* * Copyright (c) 2000-2003 Michael Shalayeff * 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 Michael Shalayeff. * 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 MIND, * 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. */ /* * These cards has to be known to work so far: * - HPA1991AGrayscale rev 0.02 (705/35) (byte-wide) * - HPA1991AC19 rev 0.02 (715/33) (byte-wide) * - HPA208LC1280 rev 8.04 (712/80) just works */ #include #include #include #include #include #include #include #include #include #include #include #include #include #define STI_MEMSIZE 0x2000000 #define STI_ROMSIZE 0x30000 #define STI_ID_FDDI 0x280b31af /* Medusa FDDI ROM id */ #define STI_INEG_REV 0x60 #define STI_INEG_PROM 0xf0011000 int sti_sgc_probe(struct device *, void *, void *); void sti_sgc_attach(struct device *, struct device *, void *); struct cfattach sti_sgc_ca = { sizeof(struct sti_softc), sti_sgc_probe, sti_sgc_attach }; struct cfattach sti_phantom_ca = { sizeof(struct sti_softc), sti_sgc_probe, sti_sgc_attach }; /* * Locate STI ROM. * On some machines it may not be part of the HPA space. */ paddr_t sti_sgc_getrom(struct confargs *ca) { paddr_t rom; if (PAGE0->pd_resv2[1] < HPPA_IOBEGIN) if (ca->ca_type.iodc_sv_model == HPPA_FIO_GSGC && ca->ca_type.iodc_revision == STI_INEG_REV) rom = STI_INEG_PROM; else rom = ca->ca_hpa; else rom = PAGE0->pd_resv2[1]; return (rom); } int sti_sgc_probe(parent, match, aux) struct device *parent; void *match, *aux; { struct confargs *ca = aux; bus_space_handle_t ioh, romh; paddr_t rom; u_int32_t id; u_char devtype; int rv = 0, romunmapped = 0; if (ca->ca_type.iodc_type != HPPA_TYPE_FIO) return (0); /* these can only be graphics anyway */ if (ca->ca_type.iodc_sv_model == HPPA_FIO_GSGC) return (1); /* these need futher checking for the graphics id */ if (ca->ca_type.iodc_sv_model != HPPA_FIO_SGC) return 0; if ((rv = bus_space_map(ca->ca_iot, ca->ca_hpa, STI_MEMSIZE, 0, &ioh))) { #ifdef STIDEBUG printf("st: cannot map io space (%d)\n", rv); #endif return 0; } rom = sti_sgc_getrom(ca); #ifdef STIDEBUG printf ("sti: hpa=%x, rom=%x\n", ca->ca_hpa, rom); #endif if (rom == ca->ca_hpa) { romh = ioh; romunmapped++; } /* if it does not map, probably part of the lasi space */ if (rom != ca->ca_hpa && (rv = bus_space_map(ca->ca_iot, rom, IOMOD_HPASIZE, 0, &romh))) { #ifdef STIDEBUG printf ("sti: cannot map rom space (%d)\n", rv); #endif if ((rom & HPPA_IOBEGIN) == HPPA_IOBEGIN) { romh = rom; romunmapped++; } else { /* in this case i have no freaking idea */ bus_space_unmap(ca->ca_iot, ioh, STI_MEMSIZE); return 0; } } #ifdef STIDEBUG printf("sti: ioh=%x, romh=%x\n", ioh, romh); #endif devtype = bus_space_read_1(ca->ca_iot, romh, 3); #ifdef STIDEBUG printf("sti: devtype=%d\n", devtype); #endif rv = 1; switch (devtype) { case STI_DEVTYPE4: id = bus_space_read_4(ca->ca_iot, romh, 0x8); break; case STI_DEVTYPE1: id = (bus_space_read_1(ca->ca_iot, romh, 0x10 + 3) << 24) | (bus_space_read_1(ca->ca_iot, romh, 0x10 + 7) << 16) | (bus_space_read_1(ca->ca_iot, romh, 0x10 + 11) << 8) | (bus_space_read_1(ca->ca_iot, romh, 0x10 + 15)); break; default: #ifdef STIDEBUG printf("sti: unknown type (%x)\n", devtype); #endif rv = 0; } if (ca->ca_type.iodc_sv_model == HPPA_FIO_SGC && id == STI_ID_FDDI) { #ifdef STIDEBUG printf("sti: not a graphics device\n"); #endif rv = 0; } bus_space_unmap(ca->ca_iot, ioh, STI_MEMSIZE); if (!romunmapped) bus_space_unmap(ca->ca_iot, romh, IOMOD_HPASIZE); return (rv); } void sti_sgc_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct sti_softc *sc = (void *)self; struct confargs *ca = aux; paddr_t addr; int rv; addr = sti_sgc_getrom(ca); #ifdef STIDEBUG printf("sti: hpa=%x, rom=%x\n", ca->ca_hpa, addr); #endif sc->memt = sc->iot = ca->ca_iot; if ((rv = bus_space_map(ca->ca_iot, ca->ca_hpa, STI_MEMSIZE, 0, &sc->ioh))) { #ifdef STIDEBUG printf(": cannot map io space (%d)\n", rv); #endif return; } /* if it does not map, probably part of the lasi space */ if (addr == ca->ca_hpa) sc->romh = sc->ioh; else if ((rv = bus_space_map(ca->ca_iot, addr, STI_ROMSIZE, 0, &sc->romh))) { if ((addr & HPPA_IOBEGIN) == HPPA_IOBEGIN) sc->romh = addr; else { #ifdef STIDEBUG printf (": cannot map rom space (%d)\n", rv); #endif /* in this case i have no freaking idea */ bus_space_unmap(ca->ca_iot, sc->ioh, STI_MEMSIZE); return; } } #ifdef STIDEBUG printf("sti: ioh=%x, romh=%x\n", sc->ioh, sc->romh); #endif sc->sc_devtype = bus_space_read_1(sc->iot, sc->romh, 3); if (ca->ca_hpa == (hppa_hpa_t)PAGE0->mem_cons.pz_hpa) sc->sc_flags |= STI_CONSOLE; sti_attach_common(sc); }