/* $OpenBSD: sti_sgc.c,v 1.37 2007/09/15 14:28:17 krw 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. * * 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 OR HIS RELATIVES 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_ROMSIZE (sizeof(struct sti_dd) * 4) #define STI_ID_FDDI 0x280b31af /* Medusa FDDI ROM id */ /* gecko optional graphics (these share the onboard's prom) */ char sti_sgc_opt[] = { 0x17, 0x20, 0x30, 0x40, 0x70, 0xc0, 0xd0 }; extern struct cfdriver sti_cd; int sti_sgc_probe(struct device *, void *, void *); void sti_sgc_attach(struct device *, struct device *, void *); paddr_t sti_sgc_getrom(int, struct confargs *); struct cfattach sti_gedoens_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(int unit, struct confargs *ca) { paddr_t rom = PAGE0->pd_resv2[1]; int i; if (unit) { i = -1; if (ca->ca_type.iodc_sv_model == HPPA_FIO_GSGC) for (i = sizeof(sti_sgc_opt); i-- && sti_sgc_opt[i] != ca->ca_type.iodc_revision; ) ; if (i < 0) rom = 0; } if (rom < HPPA_IOBEGIN) { if (ca->ca_naddrs > 0) rom = ca->ca_addrs[0].addr; else rom = ca->ca_hpa; } return (rom); } int sti_sgc_probe(parent, match, aux) struct device *parent; void *match, *aux; { struct cfdata *cf = match; struct confargs *ca = aux; bus_space_handle_t romh; paddr_t rom; u_int32_t id; u_char devtype; int rv = 0, romunmapped = 0; /* due to the graphic nature of this program do probe only one */ if (cf->cf_unit > sti_cd.cd_ndevs) return (0); if (ca->ca_type.iodc_type != HPPA_TYPE_FIO) return (0); /* these need further checking for the graphics id */ if (ca->ca_type.iodc_sv_model != HPPA_FIO_GSGC && ca->ca_type.iodc_sv_model != HPPA_FIO_SGC) return 0; rom = sti_sgc_getrom(cf->cf_unit, ca); #ifdef STIDEBUG printf ("sti: hpa=%x, rom=%x\n", ca->ca_hpa, rom); #endif /* if it does not map, probably part of the lasi space */ if ((rv = bus_space_map(ca->ca_iot, rom, STI_ROMSIZE, 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 nobody has no freaking idea */ return 0; } } 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 (rv && 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; } if (ca->ca_naddrs >= sizeof(ca->ca_addrs)/sizeof(ca->ca_addrs[0])) { printf("sti: address list overflow\n"); return (0); } ca->ca_addrs[ca->ca_naddrs].addr = rom; ca->ca_addrs[ca->ca_naddrs].size = sti_rom_size(ca->ca_iot, romh); ca->ca_naddrs++; if (!romunmapped) bus_space_unmap(ca->ca_iot, romh, STI_ROMSIZE); 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 rom; u_int32_t romlen; int rv; int i; sc->memt = sc->iot = ca->ca_iot; /* we stashed rom addr/len into the last slot during probe */ rom = ca->ca_addrs[ca->ca_naddrs - 1].addr; romlen = ca->ca_addrs[ca->ca_naddrs - 1].size; if ((rv = bus_space_map(ca->ca_iot, rom, romlen, 0, &sc->romh))) { if ((rom & HPPA_IOBEGIN) == HPPA_IOBEGIN) sc->romh = rom; else { printf (": cannot map rom space (%d)\n", rv); return; } } sc->bases[0] = sc->romh; for (i = 1; i < STI_REGION_MAX; i++) sc->bases[i] = ca->ca_hpa; #ifdef HP7300LC_CPU /* PCXL2: enable accel i/o for this space */ if (cpu_type == hpcxl2) eaio_l2(0x8 >> (((ca->ca_hpa >> 25) & 3) - 2)); #endif if (ca->ca_hpa == (hppa_hpa_t)PAGE0->mem_cons.pz_hpa) sc->sc_flags |= STI_CONSOLE; if (sti_attach_common(sc, STI_CODEBASE_PA) == 0) startuphook_establish(sti_end_attach, sc); }