1 /* $NetBSD: upcvar.h,v 1.6 2012/10/27 17:18:23 chs Exp $ */ 2 /*- 3 * Copyright (c) 2000, 2003 Ben Harris 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef __UPCVAR_H 30 #define __UPCVAR_H 31 32 #include <sys/bus.h> 33 34 struct upc_irqhandle { 35 int (*uih_func)(void *); 36 void *uih_arg; 37 int uih_level; 38 }; 39 40 struct upc_softc { 41 device_t sc_dev; 42 /* These fields are filled in by the bus attachment. */ 43 bus_space_tag_t sc_iot; 44 bus_space_handle_t sc_ioh; 45 /* 46 * These fields are filled in by upc_attach(). The bus attachment 47 * for upc is expected to establish them according to the way the 48 * chip is wired. 49 */ 50 struct upc_irqhandle sc_irq3; 51 struct upc_irqhandle sc_irq4; 52 struct upc_irqhandle sc_pintr; 53 struct upc_irqhandle sc_fintr; 54 struct upc_irqhandle sc_wintr; 55 }; 56 57 extern void upc_attach(struct upc_softc *); 58 extern int upc1_read_config(struct upc_softc *, int); 59 extern void upc1_write_config(struct upc_softc *, int, int); 60 extern int upc2_read_config(struct upc_softc *, int); 61 extern void upc2_write_config(struct upc_softc *, int, int); 62 63 /* This is the structure passed to children of upc. */ 64 struct upc_attach_args { 65 char const *ua_devtype; 66 int ua_offset; 67 bus_space_tag_t ua_iot; 68 bus_space_handle_t ua_ioh; 69 bus_space_handle_t ua_ioh2; /* for wdc */ 70 struct upc_irqhandle *ua_irqhandle; 71 }; 72 73 extern void upc_intr_establish(struct upc_irqhandle *, int, int (*)(void *), 74 void *arg); 75 76 #endif 77