/* $OpenBSD: eisa_machdep.c,v 1.12 2008/12/03 15:46:06 oga Exp $ */ /* $NetBSD: eisa_machdep.c,v 1.10.22.2 2000/06/25 19:36:58 sommerfeld Exp $ */ /*- * Copyright (c) 1997 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) 1996 Christopher G. Demetriou. 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 Christopher G. Demetriou * for the NetBSD Project. * 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 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. */ /* * Machine-specific functions for EISA autoconfiguration. */ #include #include #include #include #include #include #define _BUS_DMA_PRIVATE #include #include #include #include /* * EISA doesn't have any special needs; just use the generic versions * of these funcions. */ struct bus_dma_tag eisa_bus_dma_tag = { NULL, /* _cookie */ _bus_dmamap_create, _bus_dmamap_destroy, _bus_dmamap_load, _bus_dmamap_load_mbuf, _bus_dmamap_load_uio, _bus_dmamap_load_raw, _bus_dmamap_unload, NULL, /* _dmamap_sync */ _bus_dmamem_alloc, _bus_dmamem_free, _bus_dmamem_map, _bus_dmamem_unmap, _bus_dmamem_mmap, }; void eisa_attach_hook(struct device *parent, struct device *self, struct eisabus_attach_args *eba) { /* Nothing to do */ } int eisa_maxslots(eisa_chipset_tag_t ec) { /* * Always try 16 slots. */ return (16); } int eisa_intr_map(eisa_chipset_tag_t ec, u_int irq, eisa_intr_handle_t *ihp) { #if NIOAPIC > 0 struct mp_intr_map *mip; #endif if (irq >= ICU_LEN) { printf("eisa_intr_map: bad IRQ %d\n", irq); *ihp = -1; return (1); } if (irq == 2) { printf("eisa_intr_map: changed IRQ 2 to IRQ 9\n"); irq = 9; } #if NIOAPIC > 0 if (mp_busses != NULL) { /* * Assumes 1:1 mapping between PCI bus numbers and * the numbers given by the MP bios. * XXX Is this a valid assumption? */ for (mip = mp_busses[bus].mb_intrs; mip != NULL; mip = mip->next) { if (mip->bus_pin == irq) { *ihp = mip->ioapic_ih | irq; return (0); } } if (mip == NULL) printf("eisa_intr_map: no MP mapping found\n"); } #endif *ihp = irq; return (0); } const char * eisa_intr_string(eisa_chipset_tag_t ec, eisa_intr_handle_t ih) { static char irqstr[64]; if (ih == 0 || (ih & 0xff) >= ICU_LEN || ih == 2) panic("eisa_intr_string: bogus handle 0x%x", ih); #if NIOAPIC > 0 if (ih & APIC_INT_VIA_APIC) { snprintf(irqstr, sizeof irqstr, "apic %d int %d (irq %d)", APIC_IRQ_APIC(ih), APIC_IRQ_PIN(ih), ih & 0xff); return (irqstr); } #endif snprintf(irqstr, sizeof irqstr, "irq %d", ih); return (irqstr); } void * eisa_intr_establish(eisa_chipset_tag_t ec, eisa_intr_handle_t ih, int type, int level, int (*func)(void *), void *arg, char *what) { #if NIOAPIC > 0 if (ih != -1) { if (ih != -1 && (ih & APIC_INT_VIA_APIC)) { return (apic_intr_establish(ih, type, level, func, arg, what)); } } #endif if (ih == 0 || ih >= ICU_LEN || ih == 2) panic("eisa_intr_establish: bogus handle 0x%x", ih); return (isa_intr_establish(NULL, ih, type, level, func, arg, what)); } void eisa_intr_disestablish(eisa_chipset_tag_t ec, void *cookie) { return (isa_intr_disestablish(NULL, cookie)); }