1 /* $OpenBSD: gscbusvar.h,v 1.15 2018/05/14 13:54:39 kettenis Exp $ */ 2 3 /* 4 * Copyright (c) 1998-2004 Michael Shalayeff 5 * All rights reserved. 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* 30 * Layout of the interrupt registers, part of the parent bus. 31 */ 32 struct gscbus_ic { 33 volatile u_int32_t irr; /* int request register */ 34 volatile u_int32_t imr; /* int mask register */ 35 volatile u_int32_t ipr; /* int pending register */ 36 volatile u_int32_t icr; /* int control register */ 37 volatile u_int32_t iar; /* int address register */ 38 volatile u_int32_t rsvd[3]; 39 }; 40 41 struct gsc_attach_args { 42 struct confargs ga_ca; 43 #define ga_name ga_ca.ca_name 44 #define ga_iot ga_ca.ca_iot 45 #define ga_dp ga_ca.ca_dp 46 #define ga_type ga_ca.ca_type 47 #define ga_hpa ga_ca.ca_hpa 48 #define ga_hpamask ga_ca.ca_hpamask 49 #define ga_dmatag ga_ca.ca_dmatag 50 #define ga_irq ga_ca.ca_irq 51 #define ga_pdc_iodc_read ga_ca.ca_pdc_iodc_read 52 enum { gsc_unknown = 0, gsc_asp, gsc_lasi, gsc_wax } ga_parent; 53 struct gscbus_ic *ga_ic; /* IC pointer */ 54 }; 55 56 struct gsc_softc { 57 struct device sc_dev; 58 void *sc_ih; 59 60 bus_space_tag_t sc_iot; 61 struct gscbus_ic *sc_ic; 62 }; 63 64 void *gsc_intr_establish(struct gsc_softc *sc, int irq, int pri, 65 int (*handler)(void *v), void *arg, const char *name); 66 void gsc_intr_disestablish(struct gsc_softc *sc, void *v); 67 int gsc_intr(void *); 68 69 int gscprint(void *, const char *); 70