Annotation of sys/dev/sbus/sbusvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: sbusvar.h,v 1.12 2007/05/31 17:23:14 sobrado 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: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: #ifndef _SBUS_VAR_H
! 41: #define _SBUS_VAR_H
! 42:
! 43: struct sbus_softc;
! 44:
! 45: /*
! 46: * S-bus variables.
! 47: */
! 48:
! 49: /* Device register space description */
! 50: struct sbus_reg {
! 51: u_int32_t sbr_slot;
! 52: u_int32_t sbr_offset;
! 53: u_int32_t sbr_size;
! 54: };
! 55:
! 56: /* Interrupt information */
! 57: struct sbus_intr {
! 58: u_int32_t sbi_pri; /* priority (IPL) */
! 59: u_int32_t sbi_vec; /* vector (always 0?) */
! 60: };
! 61:
! 62: /* Address translation across busses */
! 63: struct sbus_range {
! 64: u_int32_t cspace; /* Client space */
! 65: u_int32_t coffset; /* Client offset */
! 66: u_int32_t pspace; /* Parent space */
! 67: u_int32_t poffset; /* Parent offset */
! 68: u_int32_t size; /* Size in bytes of this range */
! 69: };
! 70:
! 71: /*
! 72: * SBus driver attach arguments.
! 73: */
! 74: struct sbus_attach_args {
! 75: int sa_placeholder; /* for obio attach args sharing */
! 76: bus_space_tag_t sa_bustag;
! 77: bus_dma_tag_t sa_dmatag;
! 78: char *sa_name; /* PROM node name */
! 79: int sa_node; /* PROM handle */
! 80: struct sbus_reg *sa_reg; /* SBus register space for device */
! 81: int sa_nreg; /* Number of SBus register spaces */
! 82: #define sa_slot sa_reg[0].sbr_slot
! 83: #define sa_offset sa_reg[0].sbr_offset
! 84: #define sa_size sa_reg[0].sbr_size
! 85:
! 86: struct sbus_intr *sa_intr; /* SBus interrupts for device */
! 87: int sa_nintr; /* Number of interrupts */
! 88: #define sa_pri sa_intr[0].sbi_pri
! 89:
! 90: u_int32_t *sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */
! 91: int sa_npromvaddrs; /* Number of PROM VAs */
! 92: #define sa_promvaddr sa_promvaddrs[0]
! 93: int sa_frequency; /* SBus clockrate */
! 94: };
! 95:
! 96: int sbus_print(void *, const char *);
! 97:
! 98: int sbus_setup_attach_args(
! 99: struct sbus_softc *,
! 100: bus_space_tag_t,
! 101: bus_dma_tag_t,
! 102: int, /*node*/
! 103: struct sbus_attach_args *);
! 104:
! 105: void sbus_destroy_attach_args(struct sbus_attach_args *);
! 106:
! 107: #define sbus_bus_map(t, slot, offset, sz, flags, unused, hp) \
! 108: bus_space_map(t, BUS_ADDR(slot, offset), sz, flags, hp)
! 109:
! 110: #if notyet
! 111: /* variables per SBus */
! 112: struct sbus_softc {
! 113: struct device sc_dev; /* base device */
! 114: bus_space_tag_t sc_bustag;
! 115: bus_dma_tag_t sc_dmatag;
! 116: int sc_clockfreq; /* clock frequency (in Hz) */
! 117: struct sbus_range *sc_range;
! 118: int sc_nrange;
! 119: int sc_burst; /* burst transfer sizes supported */
! 120: /* machdep stuff follows here */
! 121: int *sc_intr2ipl; /* Interrupt level translation */
! 122: int *sc_intr_compat; /* `intr' property to sbus compat */
! 123: };
! 124: #endif
! 125:
! 126:
! 127: /*
! 128: * PROM-reported DMA burst sizes for the SBus
! 129: */
! 130: #define SBUS_BURST_1 0x1
! 131: #define SBUS_BURST_2 0x2
! 132: #define SBUS_BURST_4 0x4
! 133: #define SBUS_BURST_8 0x8
! 134: #define SBUS_BURST_16 0x10
! 135: #define SBUS_BURST_32 0x20
! 136: #define SBUS_BURST_64 0x40
! 137:
! 138: /* We use #defined(SUN4*) here while the ports are in flux */
! 139: #if defined(__sparc__) && !defined(__sparc64__)
! 140: #include <sparc/dev/sbusvar.h>
! 141: #define INTLEV(x) (x)
! 142: #elif defined(__sparc64__)
! 143: #include <sparc64/dev/sbusvar.h>
! 144: #include <sparc64/dev/iommureg.h>
! 145: #endif
! 146:
! 147: #endif /* _SBUS_VAR_H */
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