1 /* $OpenBSD: sbusvar.h,v 1.14 2016/09/04 18:20:34 tedu Exp $ */ 2 /* $NetBSD: sbusvar.h,v 1.11 2000/11/01 06:18:45 eeh Exp $ */ 3 4 /*- 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Paul Kranenburg. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _SBUS_VAR_H 34 #define _SBUS_VAR_H 35 36 struct sbus_softc; 37 38 /* 39 * S-bus variables. 40 */ 41 42 /* Device register space description */ 43 struct sbus_reg { 44 u_int32_t sbr_slot; 45 u_int32_t sbr_offset; 46 u_int32_t sbr_size; 47 }; 48 49 /* Interrupt information */ 50 struct sbus_intr { 51 u_int32_t sbi_pri; /* priority (IPL) */ 52 u_int32_t sbi_vec; /* vector (always 0?) */ 53 }; 54 55 /* Address translation across busses */ 56 struct sbus_range { 57 u_int32_t cspace; /* Client space */ 58 u_int32_t coffset; /* Client offset */ 59 u_int32_t pspace; /* Parent space */ 60 u_int32_t poffset; /* Parent offset */ 61 u_int32_t size; /* Size in bytes of this range */ 62 }; 63 64 /* 65 * SBus driver attach arguments. 66 */ 67 struct sbus_attach_args { 68 int sa_placeholder; /* for obio attach args sharing */ 69 bus_space_tag_t sa_bustag; 70 bus_dma_tag_t sa_dmatag; 71 char *sa_name; /* PROM node name */ 72 int sa_node; /* PROM handle */ 73 struct sbus_reg *sa_reg; /* SBus register space for device */ 74 int sa_nreg; /* Number of SBus register spaces */ 75 #define sa_slot sa_reg[0].sbr_slot 76 #define sa_offset sa_reg[0].sbr_offset 77 #define sa_size sa_reg[0].sbr_size 78 79 struct sbus_intr *sa_intr; /* SBus interrupts for device */ 80 int sa_nintr; /* Number of interrupts */ 81 #define sa_pri sa_intr[0].sbi_pri 82 83 u_int32_t *sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */ 84 int sa_npromvaddrs; /* Number of PROM VAs */ 85 #define sa_promvaddr sa_promvaddrs[0] 86 int sa_frequency; /* SBus clockrate */ 87 }; 88 89 int sbus_print(void *, const char *); 90 91 int sbus_setup_attach_args( 92 struct sbus_softc *, 93 bus_space_tag_t, 94 bus_dma_tag_t, 95 int, /*node*/ 96 struct sbus_attach_args *); 97 98 void sbus_destroy_attach_args(struct sbus_attach_args *); 99 100 #define sbus_bus_map(t, slot, offset, sz, flags, unused, hp) \ 101 bus_space_map(t, BUS_ADDR(slot, offset), sz, flags, hp) 102 103 #if notyet 104 /* variables per SBus */ 105 struct sbus_softc { 106 struct device sc_dev; /* base device */ 107 bus_space_tag_t sc_bustag; 108 bus_dma_tag_t sc_dmatag; 109 int sc_clockfreq; /* clock frequency (in Hz) */ 110 struct sbus_range *sc_range; 111 int sc_nrange; 112 int sc_burst; /* burst transfer sizes supported */ 113 /* machdep stuff follows here */ 114 int *sc_intr2ipl; /* Interrupt level translation */ 115 int *sc_intr_compat; /* `intr' property to sbus compat */ 116 }; 117 #endif 118 119 120 /* 121 * PROM-reported DMA burst sizes for the SBus 122 */ 123 #define SBUS_BURST_1 0x1 124 #define SBUS_BURST_2 0x2 125 #define SBUS_BURST_4 0x4 126 #define SBUS_BURST_8 0x8 127 #define SBUS_BURST_16 0x10 128 #define SBUS_BURST_32 0x20 129 #define SBUS_BURST_64 0x40 130 131 #include <sparc64/dev/sbusvar.h> 132 #include <sparc64/dev/iommureg.h> 133 134 #endif /* _SBUS_VAR_H */ 135