/* $NetBSD: sti_sgc.c,v 1.12 2005/12/11 12:17:24 christos Exp $ */ /* $OpenBSD: sti_sgc.c,v 1.21 2003/12/22 23:39:06 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 __KERNEL_RCSID(0, "$NetBSD: sti_sgc.c,v 1.12 2005/12/11 12:17:24 christos Exp $"); #include #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 */ #define STI_GOPT1_REV 0x17 #define STI_GOPT2_REV 0x70 #define STI_GOPT3_REV 0xd0 #define STI_GOPT4_REV 0x00 #define STI_GOPT5_REV 0x20 #define STI_GOPT6_REV 0x40 #define STI_GOPT7_REV 0x30 /* internal EG */ #define STI_INEG_REV 0x60 #define STI_INEG_PROM 0xf0011000 int sti_sgc_probe(struct device *, struct cfdata *, void *); void sti_sgc_attach(struct device *, struct device *, void *); CFATTACH_DECL(sti_sgc, sizeof(struct sti_softc), sti_sgc_probe, sti_sgc_attach, NULL, NULL); CFATTACH_DECL(sti_phantomas, sizeof(struct sti_softc), sti_sgc_probe, sti_sgc_attach, NULL, NULL); paddr_t sti_sgc_getrom(struct confargs *); /* * 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; int pagezero_cookie; rom = ca->ca_hpa; if (ca->ca_type.iodc_sv_model != HPPA_FIO_GSGC) { return rom; } switch (ca->ca_type.iodc_revision) { case STI_GOPT1_REV: case STI_GOPT2_REV: case STI_GOPT3_REV: case STI_GOPT4_REV: case STI_GOPT5_REV: case STI_GOPT6_REV: case STI_GOPT7_REV: /* these share the onboard's prom */ pagezero_cookie = hp700_pagezero_map(); rom = PAGE0->pd_resv2[1]; hp700_pagezero_unmap(pagezero_cookie); break; case STI_INEG_REV: rom = STI_INEG_PROM; break; } return rom; } int sti_sgc_probe(struct device *parent, struct cfdata *cf, void *aux) { struct confargs *ca = aux; bus_space_handle_t romh; paddr_t rom; u_int32_t id, romend; u_char devtype; int rv = 0, romunmapped = 0; if (ca->ca_type.iodc_type != HPPA_TYPE_FIO) return (0); /* these need futher 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(ca); #ifdef STIDEBUG printf ("sti: hpa=%x, rom=%x\n", (uint)ca->ca_hpa, (uint)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, STI_DEV4_DD_GRID); romend = bus_space_read_4(ca->ca_iot, romh, STI_DEV4_DD_ROMEND); break; case STI_DEVTYPE1: id = (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_GRID + 3) << 24) | (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_GRID + 7) << 16) | (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_GRID + 11) << 8) | (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_GRID + 15)); romend = (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_ROMEND + 3) << 24) | (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_ROMEND + 7) << 16) | (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_ROMEND + 11) << 8) | (bus_space_read_1(ca->ca_iot, romh, STI_DEV1_DD_ROMEND + 15)); break; default: #ifdef STIDEBUG printf("sti: unknown type (%x)\n", devtype); #endif rv = 0; romend = 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 = round_page(romend); ca->ca_naddrs++; if (!romunmapped) bus_space_unmap(ca->ca_iot, romh, STI_ROMSIZE); return (rv); } void sti_sgc_attach(struct device *parent, struct device *self, void *aux) { struct sti_softc *sc = (void *)self; struct confargs *ca = aux; paddr_t rom; u_int32_t romlen; int rv; int pagezero_cookie; pagezero_cookie = hp700_pagezero_map(); sc->memt = sc->iot = ca->ca_iot; sc->base = ca->ca_hpa; /* 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; } } #ifdef HP7300LC_CPU /* * PCXL2: enable accel I/O for this space, see PCX-L2 ERS "ACCEL_IO". * "pcxl2_ers.{ps,pdf}", (section / chapter . rel. page / abs. page) * 8.7.4 / 8-12 / 92, 11.3.14 / 11-14 / 122 and 14.8 / 14-5 / 203. */ if (strcmp(hppa_cpu_info->hppa_cpu_info_chip_type, "PCX-L2") == 0 && ca->ca_hpa >= PCXL2_ACCEL_IO_START && ca->ca_hpa <= PCXL2_ACCEL_IO_END) eaio_l2(PCXL2_ACCEL_IO_ADDR2MASK(ca->ca_hpa)); #endif /* HP7300LC_CPU */ 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; hp700_pagezero_unmap(pagezero_cookie); sti_attach_common(sc); }