/* $OpenBSD: pci_alphabook1.c,v 1.6 2025/06/29 15:55:21 miod Exp $ */ /* $NetBSD: pci_alphabook1.c,v 1.16 2012/02/06 02:14:15 matt Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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 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. */ /* * Copyright (c) 1995, 1996 Carnegie-Mellon University. * All rights reserved. * * Authors: Jeffrey Hsu and Chris G. Demetriou * * Permission to use, copy, modify and distribute this software and * its documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ #include <sys/param.h> #include <sys/time.h> #include <sys/systm.h> #include <sys/errno.h> #include <sys/device.h> #include <machine/intr.h> #include <dev/isa/isavar.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> #include <dev/pci/ppbreg.h> #include <alpha/pci/lcavar.h> #include <alpha/pci/pci_alphabook1.h> #include <alpha/pci/siovar.h> #include "sio.h" int dec_alphabook1_intr_map(struct pci_attach_args *, pci_intr_handle_t *); const char *dec_alphabook1_intr_string(void *, pci_intr_handle_t); int dec_alphabook1_intr_line(void *, pci_intr_handle_t); void *dec_alphabook1_intr_establish(void *, pci_intr_handle_t, int, int (*func)(void *), void *, const char *); void dec_alphabook1_intr_disestablish(void *, void *); #define LCA_SIO_DEVICE 7 /* XXX */ void pci_alphabook1_pickintr(struct lca_config *lcp) { bus_space_tag_t iot = &lcp->lc_iot; pci_chipset_tag_t pc = &lcp->lc_pc; pcireg_t sioclass; int sioII; /* XXX MAGIC NUMBER */ sioclass = pci_conf_read(pc, pci_make_tag(pc, 0, LCA_SIO_DEVICE, 0), PCI_CLASS_REG); sioII = (sioclass & 0xff) >= 3; if (!sioII) printf("WARNING: SIO NOT SIO II... NO BETS...\n"); pc->pc_intr_v = lcp; pc->pc_intr_map = dec_alphabook1_intr_map; pc->pc_intr_string = dec_alphabook1_intr_string; pc->pc_intr_line = dec_alphabook1_intr_line; pc->pc_intr_establish = dec_alphabook1_intr_establish; pc->pc_intr_disestablish = dec_alphabook1_intr_disestablish; /* Not supported on AlphaBook. */ pc->pc_pciide_compat_intr_establish = NULL; #if NSIO sio_intr_setup(pc, iot); #else panic("pci_alphabook1_pickintr: no I/O interrupt handler (no sio)"); #endif } int dec_alphabook1_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp) { pcitag_t bustag = pa->pa_intrtag; int buspin, device; #ifdef notyet if (pa->pa_bridgetag) { buspin = PPB_INTERRUPT_SWIZZLE(pa->pa_rawintrpin, pa->pa_device); if (pa->pa_bridgeih[buspin - 1] == 0) return 1; *ihp = pa->pa_bridgeih[buspin - 1]; return 0; } #endif buspin = pa->pa_intrpin; pci_decompose_tag(pa->pa_pc, bustag, NULL, &device, NULL); /* * There are only two interrupting PCI devices on the AlphaBook: * the SCSI and PCMCIA controllers. The other PCI device is the * SIO, and there are no option slots available. * * NOTE! Apparently, there was a later AlphaBook which uses * a different interrupt scheme, and has a built-in Tulip Ethernet * interface! We do not handle that here! */ switch (device) { case 6: /* NCR SCSI */ *ihp = 14; return 0; case 8: /* Cirrus CL-PD6729 */ *ihp = 15; return 0; default: return 1; } } const char * dec_alphabook1_intr_string(void *lcv, pci_intr_handle_t ih) { return sio_intr_string(NULL /*XXX*/, ih); } int dec_alphabook1_intr_line(void *lcv, pci_intr_handle_t ih) { return sio_intr_line(NULL /*XXX*/, ih); } void * dec_alphabook1_intr_establish(void *lcv, pci_intr_handle_t ih, int level, int (*func)(void *), void *arg, const char *name) { /* * PCI interrupts on that platform are ISA interrupts in disguise, * and are edge- rather than level-triggered. */ return sio_intr_establish(NULL /*XXX*/, ih, IST_EDGE, level, func, arg, name); } void dec_alphabook1_intr_disestablish(void *lcv, void *cookie) { sio_intr_disestablish(NULL /*XXX*/, cookie); }
