/* $NetBSD: wax.c,v 1.1.40.1 2020/08/03 09:19:37 martin Exp $ */ /* $OpenBSD: wax.c,v 1.1 1998/11/23 03:04:10 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: wax.c,v 1.1.40.1 2020/08/03 09:19:37 martin Exp $"); #include #include #include #include #include #include #include #include #define WAX_IOMASK 0xfff00000 #define WAX_REGS 0xc000 struct wax_regs { uint32_t wax_irr; /* int requset register */ uint32_t wax_imr; /* int mask register */ uint32_t wax_ipr; /* int pending register */ uint32_t wax_icr; /* int control register */ uint32_t wax_iar; /* int address register */ }; struct wax_softc { device_t sc_dv; struct hppa_interrupt_register sc_ir; struct wax_regs volatile *sc_regs; }; int waxmatch(device_t, cfdata_t, void *); void waxattach(device_t, device_t, void *); CFATTACH_DECL_NEW(wax, sizeof(struct wax_softc), waxmatch, waxattach, NULL, NULL); static int wax_attached; /* * Before a module is matched, this fixes up its gsc_attach_args. */ static void wax_fix_args(void *, struct gsc_attach_args *); static void wax_fix_args(void *_sc, struct gsc_attach_args *ga) { struct wax_softc *sc = _sc; hppa_hpa_t module_offset; /* * Determine this module's interrupt bit. */ module_offset = ga->ga_hpa - (hppa_hpa_t) sc->sc_regs; ga->ga_irq = HPPACF_IRQ_UNDEF; if (module_offset == 0x1000) /* hil */ ga->ga_irq = 1; if (module_offset == 0x2000) /* com */ ga->ga_irq = 6; } int waxmatch(device_t parent, cfdata_t cf, void *aux) { struct confargs *ca = aux; /* there will be only one */ if (wax_attached || ca->ca_type.iodc_type != HPPA_TYPE_BHA || ca->ca_type.iodc_sv_model != HPPA_BHA_WAX) return 0; return 1; } void waxattach(device_t parent, device_t self, void *aux) { struct confargs *ca = aux; struct wax_softc *sc = device_private(self); struct gsc_attach_args ga; struct cpu_info *ci = &cpus[0]; bus_space_handle_t ioh; int s; 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; } sc->sc_dv = self; wax_attached = 1; aprint_normal("\n"); /* * Map the WAX interrupt registers. */ if (bus_space_map(ca->ca_iot, ca->ca_hpa, sizeof(struct wax_regs), 0, &ioh)) { aprint_error(": can't map interrupt registers\n"); return; } sc->sc_regs = (struct wax_regs *)ca->ca_hpa; /* interrupts guts */ s = splhigh(); sc->sc_regs->wax_iar = ci->ci_hpa | (31 - ca->ca_irq); sc->sc_regs->wax_icr = 0; sc->sc_regs->wax_imr = 0; (void)sc->sc_regs->wax_irr; splx(s); /* 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_regs->wax_imr; sc->sc_ir.ir_req = &sc->sc_regs->wax_irr; /* 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 = wax_fix_args; ga.ga_fix_args_cookie = sc; ga.ga_scsi_target = 7; /* XXX */ config_found(self, &ga, gscprint); }