/* $NetBSD: lasi.c,v 1.2.4.1 2020/08/03 09:19:37 martin Exp $ */ /* $OpenBSD: lasi.c,v 1.4 2001/06/09 03:57:19 mickey Exp $ */ /* * Copyright (c) 1998-2003 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. */ #include __KERNEL_RCSID(0, "$NetBSD: lasi.c,v 1.2.4.1 2020/08/03 09:19:37 martin Exp $"); #undef LASIDEBUG #include #include #include #include #include #include #include #include #include struct lasi_hwr { uint32_t lasi_power; #define LASI_BLINK 0x01 #define LASI_OFF 0x02 uint32_t lasi_error; uint32_t lasi_version; uint32_t lasi_reset; uint32_t lasi_arbmask; }; struct lasi_trs { uint32_t lasi_irr; /* int requset register */ uint32_t lasi_imr; /* int mask register */ uint32_t lasi_ipr; /* int pending register */ uint32_t lasi_icr; /* int command? register */ uint32_t lasi_iar; /* int acquire? register */ }; #define LASI_BANK_SZ 0x200000 #define LASI_REG_INT 0x100000 #define LASI_REG_MISC 0x10c000 struct lasi_softc { device_t sc_dev; struct hppa_interrupt_register sc_ir; struct lasi_hwr volatile *sc_hw; struct lasi_trs volatile *sc_trs; }; int lasimatch(device_t, cfdata_t, void *); void lasiattach(device_t, device_t, void *); CFATTACH_DECL_NEW(lasi, sizeof(struct lasi_softc), lasimatch, lasiattach, NULL, NULL); extern struct cfdriver lasi_cd; void lasi_cold_hook(int); /* * Before a module is matched, this fixes up its gsc_attach_args. */ static void lasi_fix_args(void *, struct gsc_attach_args *); static void lasi_fix_args(void *_sc, struct gsc_attach_args *ga) { struct lasi_softc *sc = _sc; hppa_hpa_t module_offset; /* * Determine this module's interrupt bit. */ module_offset = ga->ga_hpa - (hppa_hpa_t) sc->sc_trs; ga->ga_irq = HPPACF_IRQ_UNDEF; #define LASI_IRQ(off, irq) if (module_offset == off) ga->ga_irq = irq LASI_IRQ(0x2000, 7); /* lpt */ LASI_IRQ(0x4000, 13); /* harmony */ LASI_IRQ(0x4040, 16); /* harmony telephone0 */ LASI_IRQ(0x4060, 17); /* harmony telephone1 */ LASI_IRQ(0x5000, 5); /* com */ LASI_IRQ(0x6000, 9); /* osiop */ LASI_IRQ(0x7000, 8); /* ie */ LASI_IRQ(0x8000, 26); /* pckbc */ LASI_IRQ(0xa000, 20); /* fdc */ #undef LASI_IRQ /* * If this is the Ethernet adapter, get its Ethernet address. */ if (module_offset == 0x7000) { pdcproc_lan_station_id(ga->ga_ether_address, sizeof(ga->ga_ether_address), ga->ga_hpa); } } int lasimatch(device_t parent, cfdata_t cf, void *aux) { struct confargs *ca = aux; if (ca->ca_type.iodc_type != HPPA_TYPE_BHA || ca->ca_type.iodc_sv_model != HPPA_BHA_LASI) return 0; /* * Forcibly mask the HPA down to the start of the LASI * chip address space. */ ca->ca_hpa &= ~(LASI_BANK_SZ - 1); return 1; } void lasiattach(device_t parent, device_t self, void *aux) { struct confargs *ca = aux; struct lasi_softc *sc = device_private(self); struct gsc_attach_args ga; struct cpu_info *ci = &cpus[0]; bus_space_handle_t ioh; int s; sc->sc_dev = self; /* * Map the LASI interrupt registers. */ if (bus_space_map(ca->ca_iot, ca->ca_hpa + LASI_REG_INT, sizeof(struct lasi_trs), 0, &ioh)) { aprint_error(": can't map interrupt registers\n"); return; } sc->sc_trs = (struct lasi_trs *)ioh; /* * Map the LASI miscellaneous registers. */ if (bus_space_map(ca->ca_iot, ca->ca_hpa + LASI_REG_MISC, sizeof(struct lasi_hwr), 0, &ioh)) { aprint_error(": can't map misc registers\n"); return; } sc->sc_hw = (struct lasi_hwr *)ioh; /* XXX should we reset the chip here? */ aprint_normal(": rev %d.%d\n", (sc->sc_hw->lasi_version & 0xf0) >> 4, sc->sc_hw->lasi_version & 0xf); ca->ca_irq = hppa_intr_allocate_bit(&ci->ci_ir, ca->ca_irq); if (ca->ca_irq == HPPACF_IRQ_UNDEF) { aprint_error(": can't allocate interrupt\n"); return; } /* interrupts guts */ s = splhigh(); sc->sc_trs->lasi_iar = ci->ci_hpa | (31 - ca->ca_irq); sc->sc_trs->lasi_icr = 0; sc->sc_trs->lasi_imr = 0; (void)sc->sc_trs->lasi_irr; /* Establish the interrupt register. */ hppa_interrupt_register_establish(ci, &sc->sc_ir); sc->sc_ir.ir_name = device_xname(self); sc->sc_ir.ir_mask = &sc->sc_trs->lasi_imr; sc->sc_ir.ir_req = &sc->sc_trs->lasi_irr; splx(s); /* Attach the GSC bus. */ ga.ga_ca = *ca; /* clone from us */ if (strcmp(device_xname(parent), "mainbus0") == 0) { ga.ga_dp.dp_bc[0] = ga.ga_dp.dp_bc[1]; ga.ga_dp.dp_bc[1] = ga.ga_dp.dp_bc[2]; ga.ga_dp.dp_bc[2] = ga.ga_dp.dp_bc[3]; ga.ga_dp.dp_bc[3] = ga.ga_dp.dp_bc[4]; ga.ga_dp.dp_bc[4] = ga.ga_dp.dp_bc[5]; ga.ga_dp.dp_bc[5] = ga.ga_dp.dp_mod; ga.ga_dp.dp_mod = 0; } ga.ga_name = "gsc"; ga.ga_ir = &sc->sc_ir; ga.ga_fix_args = lasi_fix_args; ga.ga_fix_args_cookie = sc; ga.ga_scsi_target = 7; /* XXX */ config_found(self, &ga, gscprint); /* could be already set by power(4) */ if (!cold_hook) cold_hook = lasi_cold_hook; } void lasi_cold_hook(int on) { struct lasi_softc *sc = device_private(lasi_cd.cd_devs[0]); if (!sc) return; switch (on) { case HPPA_COLD_COLD: sc->sc_hw->lasi_power = LASI_BLINK; break; case HPPA_COLD_HOT: sc->sc_hw->lasi_power = 0; break; case HPPA_COLD_OFF: sc->sc_hw->lasi_power = LASI_OFF; break; } }