1 /* $OpenBSD: siop_pci_common.h,v 1.3 2001/04/15 06:01:31 krw Exp $ */ 2 /* $NetBSD: siop_pci_common.h,v 1.2 2000/10/23 14:57:23 bouyer Exp $ */ 3 4 /* 5 * Copyright (c) 2000 Manuel Bouyer. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Manuel Bouyer 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* common functions for the siop and esiop pci front ends */ 34 35 /* structure describing each chip */ 36 struct siop_product_desc { 37 u_int32_t product; 38 int revision; 39 int features; /* features are defined in siopvar.h */ 40 u_int8_t maxburst; 41 u_int8_t maxoff; /* maximum supported offset */ 42 u_int8_t clock_div; /* clock divider to use for async. logic */ 43 u_int8_t scf_index; /* Index into a period_factor_to_scf.scf */ 44 #define SF_CLOCK_2500 0 45 #define SF_CLOCK_1250 1 46 #define SF_CLOCK_625 2 47 int ram_size; /* size of RAM, if appropriate */ 48 }; 49 50 const struct siop_product_desc * siop_lookup_product __P((u_int32_t, int)); 51 52 /* Driver internal state */ 53 struct siop_pci_softc { 54 struct siop_softc siop; 55 pci_chipset_tag_t sc_pc; /* PCI registers info */ 56 pcitag_t sc_tag; 57 void *sc_ih; /* PCI interrupt handle */ 58 const struct siop_product_desc *sc_pp; /* Adapter description */ 59 }; 60 61 int siop_pci_attach_common __P((struct siop_pci_softc *, 62 struct pci_attach_args *)); 63 void siop_pci_reset __P((struct siop_softc *)); 64