/* $NetBSD: bus.h,v 1.6 2003/06/15 23:09:05 fvdl Exp $ */ /* * Copyright 2002 Wasabi Systems, Inc. * All rights reserved. * * Written by Steve C. Woodford for Wasabi Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /*- * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1996 Charles M. Hannum. All rights reserved. * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christopher G. Demetriou * for the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SH5_BUS_H_ #define _SH5_BUS_H_ #include #ifndef __BUS_SPACE_COMPAT_OLDDEFS #define __BUS_SPACE_COMPAT_OLDDEFS #endif #define __BUS_SPACE_HAS_STREAM_METHODS #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) /* * Bus address and size types * * XXX: Ideally, these should be sized according to NEFF */ typedef u_int32_t bus_addr_t; typedef u_int32_t bus_size_t; /* * Access methods for bus resources and address space. */ struct sh5_bus_space_tag; typedef const struct sh5_bus_space_tag *bus_space_tag_t; typedef u_long bus_space_handle_t; struct sh5_bus_space_tag { void *bs_cookie; int (*bs_map)(void *, bus_addr_t, bus_size_t, int, bus_space_handle_t *); void (*bs_unmap)(void *, bus_space_handle_t, bus_size_t); int (*bs_alloc)(void *, bus_addr_t, bus_addr_t, bus_size_t, bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *); void (*bs_free)(void *, bus_space_handle_t, bus_size_t); int (*bs_subregion)(void *, bus_space_handle_t, bus_size_t, bus_size_t, bus_space_handle_t *); paddr_t (*bs_mmap)(void *, bus_addr_t, off_t, int, int); u_int8_t (*bs_read_1)(void *, bus_space_handle_t, bus_size_t); u_int16_t (*bs_read_2)(void *, bus_space_handle_t, bus_size_t); u_int32_t (*bs_read_4)(void *, bus_space_handle_t, bus_size_t); u_int64_t (*bs_read_8)(void *, bus_space_handle_t, bus_size_t); void (*bs_write_1)(void *, bus_space_handle_t, bus_size_t, u_int8_t); void (*bs_write_2)(void *, bus_space_handle_t, bus_size_t, u_int16_t); void (*bs_write_4)(void *, bus_space_handle_t, bus_size_t, u_int32_t); void (*bs_write_8)(void *, bus_space_handle_t, bus_size_t, u_int64_t); u_int16_t (*bs_read_stream_2)(void *, bus_space_handle_t, bus_size_t); u_int32_t (*bs_read_stream_4)(void *, bus_space_handle_t, bus_size_t); u_int64_t (*bs_read_stream_8)(void *, bus_space_handle_t, bus_size_t); void (*bs_write_stream_2)(void *, bus_space_handle_t, bus_size_t, u_int16_t); void (*bs_write_stream_4)(void *, bus_space_handle_t, bus_size_t, u_int32_t); void (*bs_write_stream_8)(void *, bus_space_handle_t, bus_size_t, u_int64_t); int (*bs_peek_1)(void *, bus_space_handle_t, bus_size_t, u_int8_t *); int (*bs_peek_2)(void *, bus_space_handle_t, bus_size_t, u_int16_t *); int (*bs_peek_4)(void *, bus_space_handle_t, bus_size_t, u_int32_t *); int (*bs_peek_8)(void *, bus_space_handle_t, bus_size_t, u_int64_t *); int (*bs_poke_1)(void *, bus_space_handle_t, bus_size_t, u_int8_t); int (*bs_poke_2)(void *, bus_space_handle_t, bus_size_t, u_int16_t); int (*bs_poke_4)(void *, bus_space_handle_t, bus_size_t, u_int32_t); int (*bs_poke_8)(void *, bus_space_handle_t, bus_size_t, u_int64_t); }; /* * int bus_space_map(bus_space_tag_t tag, bus_addr_t address, * bus_size_t size, int flags, bus_space_handle_t *handlep) */ #define bus_space_map(t,a,s,f,hp) \ (*(t)->bs_map)((t)->bs_cookie, (a), (s), (f), (hp)) /* * Flags to bus_space_map() */ #define BUS_SPACE_MAP_CACHEABLE 0x01 #define BUS_SPACE_MAP_LINEAR 0x02 #define BUS_SPACE_MAP_PREFETCHABLE 0x04 /* * void bus_space_unmap(bus_space_tag_t tag, bus_space_handle_t handle, * bus_size_t size) */ #define bus_space_unmap(t,h,s) \ (*(t)->bs_unmap)((t)->bs_cookie, (h), (s)) /* * int bus_space_alloc(bus_space_tag_t t, bus_addr_t rstart, * bus_addr_t rend, bus_size_t size, bus_size_t align, * bus_size_t boundary, int flags, bus_addr_t *addrp, * bus_space_handle_t *bshp); * * Allocate a region of bus space. */ #define bus_space_alloc(t,rs,re,s,a,b,f,ap,hp) \ (*(t)->bs_alloc)((t)->bs_cookie,(rs),(re),(s),(a),(b),(f),(ap),(hp)) /* * int bus_space_free(bus_space_tag_t t, * bus_space_handle_t bsh, bus_size_t size); * * Free a region of bus space. */ #define bus_space_free(t, h, s) \ (*(t)->bs_free)((t)->bs_cookie, (h), (s)) /* * int bus_space_subregion(bus_space_tag_t t, * bus_space_handle_t bsh, bus_size_t offset, bus_size_t size, * bus_space_handle_t *nbshp); * * Get a new handle for a subregion of an already-mapped area of bus space. */ #define bus_space_subregion(t, h, o, s, nhp) \ (*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (nhp)) /* * vaddr_t bus_space_vaddr(bus_space_tag tag, bus_space_handle handle) * * Get the KVA associated with the mapped bus space IFF is was mapped * with BUS_SPACE_MAP_LINEAR. */ #define bus_space_vaddr(t, h) ((void *)(h)) /* * paddr_t bus_space_mmap(bus_space_tag_t tag, bus_addr_t, * off_t, int, int) */ #define bus_space_mmap(t,a,o,p,f) \ (*(t)->bs_mmap)((t)->bs_cookie, (a), (o), (p), (f)) /* * u_intN_t bus_space_read_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset); * * Read a 1, 2, 4, or 8 byte quantity from bus space * described by tag/handle/offset. */ #define bus_space_read_1(t,h,o) \ (*(t)->bs_read_1)((t)->bs_cookie, (h), (o)) #define bus_space_read_2(t,h,o) \ (*(t)->bs_read_2)((t)->bs_cookie, (h), (o)) #define bus_space_read_4(t,h,o) \ (*(t)->bs_read_4)((t)->bs_cookie, (h), (o)) #define bus_space_read_8(t,h,o) \ (*(t)->bs_read_8)((t)->bs_cookie, (h), (o)) /* * void bus_space_write_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * u_intN_t value); * * Write the 1, 2, 4, or 8 byte value `value' to bus space * described by tag/handle/offset. */ #define bus_space_write_1(t,h,o,v) \ (*(t)->bs_write_1)((t)->bs_cookie, (h), (o), (v)) #define bus_space_write_2(t,h,o,v) \ (*(t)->bs_write_2)((t)->bs_cookie, (h), (o), (v)) #define bus_space_write_4(t,h,o,v) \ (*(t)->bs_write_4)((t)->bs_cookie, (h), (o), (v)) #define bus_space_write_8(t,h,o,v) \ (*(t)->bs_write_8)((t)->bs_cookie, (h), (o), (v)) /* * u_intN_t bus_space_read_stream_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset) * * Read a 1, 2, 4, or 8 byte quantity from bus space * described by tag/handle/offset, with no endian conversion. */ #define bus_space_read_stream_2(t,h,o) \ (*(t)->bs_read_stream_2)((t)->bs_cookie, (h), (o)) #define bus_space_read_stream_4(t,h,o) \ (*(t)->bs_read_stream_4)((t)->bs_cookie, (h), (o)) #define bus_space_read_stream_8(t,h,o) \ (*(t)->bs_read_stream_8)((t)->bs_cookie, (h), (o)) /* * void bus_space_read_multi_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * u_intN_t *addr, size_t count); * * Read `count' 1, 2, 4, or 8 byte quantities from bus space * described by tag/handle/offset and copy into buffer provided. */ static __inline void bus_space_read_multi_1(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t); static __inline void bus_space_read_multi_2(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t); static __inline void bus_space_read_multi_4(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t); static __inline void bus_space_read_multi_8(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t); static __inline void bus_space_read_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int8_t *addr, bus_size_t count) { while (count--) *addr++ = bus_space_read_1(tag, bsh, offset); } static __inline void bus_space_read_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int16_t *addr, bus_size_t count) { while (count--) *addr++ = bus_space_read_2(tag, bsh, offset); } static __inline void bus_space_read_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int32_t *addr, bus_size_t count) { while (count--) *addr++ = bus_space_read_4(tag, bsh, offset); } static __inline void bus_space_read_multi_8(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int64_t *addr, bus_size_t count) { while (count--) *addr++ = bus_space_read_8(tag, bsh, offset); } static __inline void bus_space_read_multi_stream_2(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t); static __inline void bus_space_read_multi_stream_4(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t); static __inline void bus_space_read_multi_stream_8(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t); static __inline void bus_space_read_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int16_t *addr, bus_size_t count) { while (count--) *addr++ = bus_space_read_stream_2(tag, bsh, offset); } static __inline void bus_space_read_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int32_t *addr, bus_size_t count) { while (count--) *addr++ = bus_space_read_stream_4(tag, bsh, offset); } static __inline void bus_space_read_multi_stream_8(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int64_t *addr, bus_size_t count) { while (count--) *addr++ = bus_space_read_stream_8(tag, bsh, offset); } /* * void bus_space_read_region_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * u_intN_t *addr, size_t count); * * Read `count' 1, 2, 4, or 8 byte quantities from bus space * described by tag/handle and starting at `offset' and copy into * buffer provided. */ static __inline void bus_space_read_region_1(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t); static __inline void bus_space_read_region_2(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t); static __inline void bus_space_read_region_4(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t); static __inline void bus_space_read_region_8(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t); static __inline void bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int8_t *addr, bus_size_t count) { while (count--) *addr++ = bus_space_read_1(tag, bsh, offset++); } static __inline void bus_space_read_region_2(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int16_t *addr, bus_size_t count) { while (count--) { *addr++ = bus_space_read_2(tag, bsh, offset); offset += 2; } } static __inline void bus_space_read_region_4(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int32_t *addr, bus_size_t count) { while (count--) { *addr++ = bus_space_read_4(tag, bsh, offset); offset += 4; } } static __inline void bus_space_read_region_8(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int64_t *addr, bus_size_t count) { while (count--) { *addr++ = bus_space_read_8(tag, bsh, offset); offset += 8; } } /* * void bus_space_write_region_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * const u_intN_t *addr, size_t count); * * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided * to bus space described by tag/handle starting at `offset'. */ static __inline void bus_space_write_region_1(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int8_t *, bus_size_t); static __inline void bus_space_write_region_2(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int16_t *, bus_size_t); static __inline void bus_space_write_region_4(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int32_t *, bus_size_t); static __inline void bus_space_write_region_8(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int64_t *, bus_size_t); static __inline void bus_space_write_region_1(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, const u_int8_t *addr, bus_size_t count) { while (count--) bus_space_write_1(tag, bsh, offset++, *addr++); } static __inline void bus_space_write_region_2(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, const u_int16_t *addr, bus_size_t count) { while (count--) { bus_space_write_2(tag, bsh, offset, *addr++); offset += 2; } } static __inline void bus_space_write_region_4(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, const u_int32_t *addr, bus_size_t count) { while (count--) { bus_space_write_4(tag, bsh, offset, *addr++); offset += 4; } } static __inline void bus_space_write_region_8(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, const u_int64_t *addr, bus_size_t count) { while (count--) { bus_space_write_8(tag, bsh, offset, *addr++); offset += 8; } } /* * void bus_space_write_stream_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, u_intN_t value) * * Read a 1, 2, 4, or 8 byte quantity from bus space * described by tag/handle/offset, with no endian conversion. */ #define bus_space_write_stream_2(t,h,o,v) \ (*(t)->bs_write_stream_2)((t)->bs_cookie, (h), (o), (v)) #define bus_space_write_stream_4(t,h,o,v) \ (*(t)->bs_write_stream_4)((t)->bs_cookie, (h), (o), (v)) #define bus_space_write_stream_8(t,h,o,v) \ (*(t)->bs_write_stream_8)((t)->bs_cookie, (h), (o), (v)) /* * void bus_space_write_multi_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * const u_intN_t *addr, size_t count); * * Write `count' 1, 2, 4, or 8 byte quantities from the buffer * provided to bus space described by tag/handle/offset. */ static __inline void bus_space_write_multi_1(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t); static __inline void bus_space_write_multi_2(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t); static __inline void bus_space_write_multi_4(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t); static __inline void bus_space_write_multi_8(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t); static __inline void bus_space_write_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int8_t *addr, bus_size_t count) { while (count--) bus_space_write_1(tag, bsh, offset, *addr++); } static __inline void bus_space_write_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int16_t *addr, bus_size_t count) { while (count--) bus_space_write_2(tag, bsh, offset, *addr++); } static __inline void bus_space_write_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int32_t *addr, bus_size_t count) { while (count--) bus_space_write_4(tag, bsh, offset, *addr++); } static __inline void bus_space_write_multi_8(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int64_t *addr, bus_size_t count) { while (count--) bus_space_write_8(tag, bsh, offset, *addr++); } static __inline void bus_space_write_multi_stream_2(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t); static __inline void bus_space_write_multi_stream_4(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t); static __inline void bus_space_write_multi_stream_8(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t); static __inline void bus_space_write_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int16_t *addr, bus_size_t count) { while (count--) bus_space_write_stream_2(tag, bsh, offset, *addr++); } static __inline void bus_space_write_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int32_t *addr, bus_size_t count) { while (count--) bus_space_write_stream_4(tag, bsh, offset, *addr++); } static __inline void bus_space_write_multi_stream_8(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int64_t *addr, bus_size_t count) { while (count--) bus_space_write_stream_8(tag, bsh, offset, *addr++); } /* * void bus_space_set_multi_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, * size_t count); * * Write the 1, 2, 4, or 8 byte value `val' to bus space described * by tag/handle/offset `count' times. */ static __inline void bus_space_set_multi_1(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t, bus_size_t); static __inline void bus_space_set_multi_2(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t); static __inline void bus_space_set_multi_4(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t); static __inline void bus_space_set_multi_8(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t, bus_size_t); static __inline void bus_space_set_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int8_t val, bus_size_t count) { while (count--) bus_space_write_1(tag, bsh, offset, val); } static __inline void bus_space_set_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int16_t val, bus_size_t count) { while (count--) bus_space_write_2(tag, bsh, offset, val); } static __inline void bus_space_set_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int32_t val, bus_size_t count) { while (count--) bus_space_write_4(tag, bsh, offset, val); } static __inline void bus_space_set_multi_8(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int64_t val, bus_size_t count) { while (count--) bus_space_write_8(tag, bsh, offset, val); } /* * void bus_space_set_region_N(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, * size_t count); * * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described * by tag/handle starting at `offset'. */ static __inline void bus_space_set_region_1(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t, bus_size_t); static __inline void bus_space_set_region_2(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t); static __inline void bus_space_set_region_4(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t); static __inline void bus_space_set_region_8(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t, bus_size_t); static __inline void bus_space_set_region_1(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int8_t val, bus_size_t count) { while (count--) bus_space_write_1(tag, bsh, offset++, val); } static __inline void bus_space_set_region_2(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int16_t val, bus_size_t count) { while (count--) { bus_space_write_2(tag, bsh, offset, val); offset += 2; } } static __inline void bus_space_set_region_4(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int32_t val, bus_size_t count) { while (count--) { bus_space_write_4(tag, bsh, offset, val); offset += 4; } } static __inline void bus_space_set_region_8(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, u_int64_t val, bus_size_t count) { while (count--) { bus_space_write_8(tag, bsh, offset, val); offset += 8; } } /* * void bus_space_copy_region_N(bus_space_tag_t tag, * bus_space_handle_t bsh1, bus_size_t off1, * bus_space_handle_t bsh2, bus_size_t off2, * size_t count); * * Copy `count' 1, 2, 4, or 8 byte values from bus space starting * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2. */ static __inline void bus_space_copy_region_1(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t); static __inline void bus_space_copy_region_2(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t); static __inline void bus_space_copy_region_4(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t); static __inline void bus_space_copy_region_8(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t); static __inline void bus_space_copy_region_1(bus_space_tag_t t, bus_space_handle_t h1, bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) { if ((h1 + o1) >= (h2 + o2)) { /* src after dest: copy forward */ while (c--) bus_space_write_1(t, h2, o2++, bus_space_read_1(t, h1, o1++)); } else { /* dest after src: copy backwards */ o1 += c - 1; o2 += c - 1; while (c--) bus_space_write_1(t, h2, o2--, bus_space_read_1(t, h1, o1--)); } } static __inline void bus_space_copy_region_2(bus_space_tag_t t, bus_space_handle_t h1, bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) { if ((h1 + o1) >= (h2 + o2)) { /* src after dest: copy forward */ while (c--) { bus_space_write_2(t, h2, o2, bus_space_read_2(t, h1, o1)); o1 += 2; o2 += 2; } } else { /* dest after src: copy backwards */ o1 += c - 1; o2 += c - 1; while (c--) { bus_space_write_2(t, h2, o2, bus_space_read_2(t, h1, o1)); o1 -= 2; o2 -= 2; } } } static __inline void bus_space_copy_region_4(bus_space_tag_t t, bus_space_handle_t h1, bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) { if ((h1 + o1) >= (h2 + o2)) { /* src after dest: copy forward */ while (c--) { bus_space_write_4(t, h2, o2, bus_space_read_4(t, h1, o1)); o1 += 4; o2 += 4; } } else { /* dest after src: copy backwards */ o1 += c - 1; o2 += c - 1; while (c--) { bus_space_write_4(t, h2, o2, bus_space_read_4(t, h1, o1)); o1 -= 4; o2 -= 4; } } } static __inline void bus_space_copy_region_8(bus_space_tag_t t, bus_space_handle_t h1, bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) { if ((h1 + o1) >= (h2 + o2)) { /* src after dest: copy forward */ while (c--) { bus_space_write_8(t, h2, o2, bus_space_read_8(t, h1, o1)); o1 += 8; o2 += 8; } } else { /* dest after src: copy backwards */ o1 += c - 1; o2 += c - 1; while (c--) { bus_space_write_8(t, h2, o2, bus_space_read_8(t, h1, o1)); o1 -= 8; o2 -= 8; } } } /* * Bus read/write barrier methods. * * void bus_space_barrier(bus_space_tag_t tag, * bus_space_handle_t bsh, bus_size_t offset, * bus_size_t len, int flags); */ static __inline void bus_space_barrier(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_size_t, int); /*ARGSUSED*/ static __inline void bus_space_barrier(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, bus_size_t l, int f) { __asm __volatile("synco"); } #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */ #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */ /* * int bus_space_peek_N(bus_space_tag_t tag, bus_space_handle_t handle, * bus_size_t offset, u_intN_t *datap) */ #define bus_space_peek_1(t,h,o,vp) \ (*(t)->bs_peek_1)((t)->bs_cookie, (h), (o), (vp)) #define bus_space_peek_2(t,h,o,vp) \ (*(t)->bs_peek_2)((t)->bs_cookie, (h), (o), (vp)) #define bus_space_peek_4(t,h,o,vp) \ (*(t)->bs_peek_4)((t)->bs_cookie, (h), (o), (vp)) #define bus_space_peek_8(t,h,o,vp) \ (*(t)->bs_peek_8)((t)->bs_cookie, (h), (o), (vp)) /* * int bus_space_poke_N(bus_space_tag_t tag, bus_space_handle_t handle, * bus_size_t offset, u_intN_t data) */ #define bus_space_poke_1(t,h,o,v) \ (*(t)->bs_poke_1)((t)->bs_cookie, (h), (o), (v)) #define bus_space_poke_2(t,h,o,v) \ (*(t)->bs_poke_2)((t)->bs_cookie, (h), (o), (v)) #define bus_space_poke_4(t,h,o,v) \ (*(t)->bs_poke_4)((t)->bs_cookie, (h), (o), (v)) #define bus_space_poke_8(t,h,o,v) \ (*(t)->bs_poke_8)((t)->bs_cookie, (h), (o), (v)) /* * Bus DMA Methods */ /* * Flags used in various bus DMA methods. */ #define BUS_DMA_WAITOK 0x000 /* safe to sleep (pseudo-flag) */ #define BUS_DMA_NOWAIT 0x001 /* not safe to sleep */ #define BUS_DMA_ALLOCNOW 0x002 /* perform resource allocation now */ #define BUS_DMA_COHERENT 0x004 /* hint: map memory DMA coherent */ #define BUS_DMA_STREAMING 0x008 /* hint: sequential, unidirectional */ #define BUS_DMA_BUS1 0x010 /* placeholders for bus functions... */ #define BUS_DMA_BUS2 0x020 #define BUS_DMA_BUS3 0x040 #define BUS_DMA_BUS4 0x080 #define BUS_DMA_READ 0x100 /* mapping is device -> memory only */ #define BUS_DMA_WRITE 0x200 /* mapping is memory -> device only */ #define BUS_DMA_NOCACHE 0x400 /* hint: map non-cached memory */ /* Forwards needed by prototypes below. */ struct mbuf; struct uio; /* * Operations performed by bus_dmamap_sync(). */ #define BUS_DMASYNC_PREREAD 0x01 /* pre-read synchronization */ #define BUS_DMASYNC_POSTREAD 0x02 /* post-read synchronization */ #define BUS_DMASYNC_PREWRITE 0x04 /* pre-write synchronization */ #define BUS_DMASYNC_POSTWRITE 0x08 /* post-write synchronization */ struct sh5_bus_dma_tag; struct sh5_bus_dmamap; typedef const struct sh5_bus_dma_tag *bus_dma_tag_t; typedef struct sh5_bus_dmamap *bus_dmamap_t; #define BUS_DMA_TAG_VALID(t) ((t) != (bus_dma_tag_t)0) /* * bus_dma_segment_t * * Describes a single contiguous DMA transaction. Values * are suitable for programming into DMA registers. */ struct sh5_bus_dma_segment { bus_addr_t ds_addr; /* DMA address */ bus_size_t ds_len; /* length of transfer */ /* Internal Use only */ bus_addr_t _ds_cpuaddr; /* CPU address */ vaddr_t _ds_vaddr; /* VA of seg */ int _ds_flags; }; typedef struct sh5_bus_dma_segment bus_dma_segment_t; /* * bus_dma_tag_t * * A machine-dependent opaque type describing the implementation of * DMA for a given bus. */ struct sh5_bus_dma_tag { void *bd_cookie; /* cookie used in the guts */ /* * DMA mapping methods. */ int (*bd_dmamap_create)(void *, bus_size_t, int, bus_size_t, bus_size_t, int, bus_dmamap_t *); void (*bd_dmamap_destroy)(void *, bus_dmamap_t); int (*bd_dmamap_load)(void *, bus_dmamap_t, void *, bus_size_t, struct proc *, int); int (*bd_dmamap_load_mbuf)(void *, bus_dmamap_t, struct mbuf *, int); int (*bd_dmamap_load_uio)(void *, bus_dmamap_t, struct uio *, int); int (*bd_dmamap_load_raw)(void *, bus_dmamap_t, bus_dma_segment_t *, int, bus_size_t, int); void (*bd_dmamap_unload)(void *, bus_dmamap_t); void (*bd_dmamap_sync)(void *, bus_dmamap_t, bus_addr_t, bus_size_t, int); /* * DMA memory utility functions. */ int (*bd_dmamem_alloc)(void *, bus_size_t, bus_size_t, bus_size_t, bus_dma_segment_t *, int, int *, int); void (*bd_dmamem_free)(void *, bus_dma_segment_t *, int); int (*bd_dmamem_map)(void *, bus_dma_segment_t *, int, size_t, caddr_t *, int); void (*bd_dmamem_unmap)(void *, caddr_t, size_t); paddr_t (*bd_dmamem_mmap)(void *, bus_dma_segment_t *, int, off_t, int, int); }; #define bus_dmamap_create(t, s, n, m, b, f, p) \ (*(t)->bd_dmamap_create)((t)->bd_cookie, (s), (n), (m), (b), (f), (p)) #define bus_dmamap_destroy(t, p) \ (*(t)->bd_dmamap_destroy)((t)->bd_cookie, (p)) #define bus_dmamap_load(t, m, b, s, p, f) \ (*(t)->bd_dmamap_load)((t)->bd_cookie, (m), (b), (s), (p), (f)) #define bus_dmamap_load_mbuf(t, m, b, f) \ (*(t)->bd_dmamap_load_mbuf)((t)->bd_cookie, (m), (b), (f)) #define bus_dmamap_load_uio(t, m, u, f) \ (*(t)->bd_dmamap_load_uio)((t)->bd_cookie, (m), (u), (f)) #define bus_dmamap_load_raw(t, m, sg, n, s, f) \ (*(t)->bd_dmamap_load_raw)((t)->bd_cookie, (m), (sg), (n), (s), (f)) #define bus_dmamap_unload(t, p) \ (*(t)->bd_dmamap_unload)((t)->bd_cookie, (p)) #define bus_dmamap_sync(t, p, o, l, ops) \ (*(t)->bd_dmamap_sync)((t)->bd_cookie, (p), (o), (l), (ops)) #define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \ (*(t)->bd_dmamem_alloc)((t)->bd_cookie, (s), (a), (b),(sg),(n),(r),(f)) #define bus_dmamem_free(t, sg, n) \ (*(t)->bd_dmamem_free)((t)->bd_cookie, (sg), (n)) #define bus_dmamem_map(t, sg, n, s, k, f) \ (*(t)->bd_dmamem_map)((t)->bd_cookie, (sg), (n), (s), (k), (f)) #define bus_dmamem_unmap(t, k, s) \ (*(t)->bd_dmamem_unmap)((t)->bd_cookie, (k), (s)) #define bus_dmamem_mmap(t, sg, n, o, p, f) \ (*(t)->bd_dmamem_mmap)((t)->bd_cookie, (sg), (n), (o), (p), (f)) /* * bus_dmamap_t * * Describes a DMA mapping. */ struct sh5_bus_dmamap { /* * PRIVATE MEMBERS: not for use by machine-independent code. */ bus_size_t _dm_size; /* largest DMA transfer mappable */ int _dm_segcnt; /* number of segs this map can map */ bus_size_t _dm_maxsegsz; /* largest possible segment */ bus_size_t _dm_boundary; /* don't cross this */ int _dm_flags; /* misc. flags */ void *_dm_cookie; /* Bus-specific cookie */ /* * PUBLIC MEMBERS: these are used by machine-independent code. */ bus_size_t dm_mapsize; /* size of the mapping */ int dm_nsegs; /* # valid segments in mapping */ bus_dma_segment_t dm_segs[1]; /* segments; variable length */ }; /* Internal use only */ extern const struct sh5_bus_space_tag _sh5_bus_space_tag; extern const struct sh5_bus_dma_tag _sh5_bus_dma_tag; #endif /* _SH5_BUS_H_ */