1 /* $NetBSD: pcctwovar.h,v 1.1 2002/02/12 20:38:50 scw Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Steve C. Woodford 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _MVME_PCCTWOVAR_H 40 #define _MVME_PCCTWOVAR_H 41 42 /* 43 * Structure used to attach PCC devices. 44 */ 45 struct pcctwo_attach_args { 46 const char *pa_name; /* name of device */ 47 int pa_ipl; /* interrupt level */ 48 bus_dma_tag_t pa_dmat; /* DMA tag */ 49 bus_space_tag_t pa_bust; /* Bus tag */ 50 bus_addr_t pa_offset; /* Offset with 'Bus tag' bus space */ 51 52 bus_addr_t _pa_base; 53 }; 54 55 /* 56 * Structure used to describe a device for autoconfiguration purposes. 57 */ 58 struct pcctwo_device { 59 char *pcc_name; /* name of device (e.g. "clock") */ 60 bus_addr_t pcc_offset; /* offset from PCC2 base */ 61 }; 62 63 /* 64 * Macroes to make life easy when converting vector offset to interrupt 65 * control register, and how to initialise the ICSR. 66 */ 67 #define VEC2ICSR(r,v) ((r) | (((v) | PCCTWO_ICR_IEN) << 8)) 68 #define VEC2ICSR_REG(x) ((x) & 0xff) 69 #define VEC2ICSR_INIT(x) ((x) >> 8) 70 71 /* Shorthand for locators. */ 72 #include "locators.h" 73 #define pcctwocf_ipl cf_loc[PCCTWOCF_IPL] 74 75 /* 76 * PCCChip2 driver's soft state structure 77 */ 78 struct pcctwo_softc { 79 struct device sc_dev; 80 bus_space_tag_t sc_bust; /* PCCChip2's register tag */ 81 bus_space_handle_t sc_bush; /* PCCChip2's register handle */ 82 bus_dma_tag_t sc_dmat; /* PCCChip2's dma tag (unused)*/ 83 int *sc_vec2icsr; /* Translate vector to ICSR */ 84 int sc_vecbase; 85 void *sc_isrcookie; 86 void (*sc_isrlink)(void *, int (*)(void *), void *, 87 int, int, struct evcnt *); 88 void (*sc_isrunlink)(void *, int); 89 struct evcnt * (*sc_isrevcnt)(void *, int); 90 #if defined(MVME162) || defined(MVME172) 91 struct evcnt sc_evcnt; 92 #endif 93 }; 94 95 extern struct pcctwo_softc *sys_pcctwo; 96 97 extern void pcctwo_init(struct pcctwo_softc *, struct pcctwo_device *, int); 98 extern struct evcnt *pcctwointr_evcnt(int); 99 extern void pcctwointr_establish(int, int (*)(void *), int, void *, 100 struct evcnt *); 101 extern void pcctwointr_disestablish(int); 102 103 #endif /* _MVME_PCCTWOVAR_H */ 104