/* $NetBSD: bus.h,v 1.21 2007/03/04 05:59:53 christos Exp $ */ /*- * Copyright (c) 1996, 1997, 1998, 2001 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. */ /* * derived from arch/arm/include/bus.h Rev. 1.3 */ #ifndef _SYS_BUS_H_ #define _SYS_BUS_H_ #include #ifndef BUS_SPACE_MD_CALLS #define BUS_SPACE_MAP_CACHEABLE 0x01 #define BUS_SPACE_MAP_LINEAR 0x02 #define BUS_SPACE_MAP_PREFETCHABLE 0x04 #define BUS_SPACE_BARRIER_READ 0x01 #define BUS_SPACE_BARRIER_WRITE 0x02 #ifndef BUS_SPACE_MD_TYPES typedef struct bus_space_tag *bus_space_tag_t; #endif /* * bus space operaion table */ struct bus_space_ops { /* mapping/unmapping */ int (*bs_map)(bus_space_tag_t, bus_addr_t, bus_size_t, int, bus_space_handle_t *); void (*bs_unmap)(bus_space_tag_t, bus_space_handle_t, bus_size_t); int (*bs_subregion)(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_size_t, bus_space_handle_t *); /* allocation/deallocation */ int (*bs_alloc)(bus_space_tag_t, 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)(bus_space_tag_t, bus_space_handle_t, bus_size_t); /* get kernel virtual address */ void * (*bs_vaddr)(bus_space_tag_t, bus_space_handle_t); /* mmap bus space for user */ paddr_t (*bs_mmap)(bus_space_tag_t, bus_addr_t, off_t, int, int); /* barrier */ void (*bs_barrier)(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_size_t, int); /* probe */ int (*bs_peek)(bus_space_tag_t, bus_space_handle_t, bus_size_t, size_t, void *); int (*bs_poke)(bus_space_tag_t, bus_space_handle_t, bus_size_t, size_t, u_int32_t); /* read (single) */ u_int8_t (*bs_r_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t); u_int16_t (*bs_r_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t); u_int32_t (*bs_r_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t); u_int64_t (*bs_r_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t); /* read multiple */ void (*bs_rm_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t); void (*bs_rm_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t); void (*bs_rm_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t); void (*bs_rm_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t); /* read region */ void (*bs_rr_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t); void (*bs_rr_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t); void (*bs_rr_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t); void (*bs_rr_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t); /* write (single) */ void (*bs_w_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t); void (*bs_w_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t); void (*bs_w_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t); void (*bs_w_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t); /* write multiple */ void (*bs_wm_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int8_t *, bus_size_t); void (*bs_wm_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int16_t *, bus_size_t); void (*bs_wm_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int32_t *, bus_size_t); void (*bs_wm_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int64_t *, bus_size_t); /* write region */ void (*bs_wr_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int8_t *, bus_size_t); void (*bs_wr_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int16_t *, bus_size_t); void (*bs_wr_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int32_t *, bus_size_t); void (*bs_wr_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int64_t *, bus_size_t); #ifdef BUS_SPACE_HAS_REAL_STREAM_METHODS /* read (single) stream */ u_int8_t (*bs_rs_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t); u_int16_t (*bs_rs_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t); u_int32_t (*bs_rs_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t); u_int64_t (*bs_rs_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t); /* read multiple stream */ void (*bs_rms_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t); void (*bs_rms_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t); void (*bs_rms_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t); void (*bs_rms_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t); /* read region stream */ void (*bs_rrs_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t); void (*bs_rrs_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t); void (*bs_rrs_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t); void (*bs_rrs_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t); /* write (single) stream */ void (*bs_ws_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t); void (*bs_ws_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t); void (*bs_ws_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t); void (*bs_ws_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t); /* write multiple stream */ void (*bs_wms_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int8_t *, bus_size_t); void (*bs_wms_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int16_t *, bus_size_t); void (*bs_wms_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int32_t *, bus_size_t); void (*bs_wms_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int64_t *, bus_size_t); /* write region stream */ void (*bs_wrs_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int8_t *, bus_size_t); void (*bs_wrs_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int16_t *, bus_size_t); void (*bs_wrs_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int32_t *, bus_size_t); void (*bs_wrs_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, const u_int64_t *, bus_size_t); #endif /* BUS_SPACE_HAS_REAL_STREAM_METHODS */ /* set multiple */ void (*bs_sm_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t, bus_size_t); void (*bs_sm_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t); void (*bs_sm_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t); void (*bs_sm_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t, bus_size_t); /* set region */ void (*bs_sr_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int8_t, bus_size_t); void (*bs_sr_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t); void (*bs_sr_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t); void (*bs_sr_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, u_int64_t, bus_size_t); /* copy */ void (*bs_c_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t); void (*bs_c_2)(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t); void (*bs_c_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t); void (*bs_c_8)(bus_space_tag_t, bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t); }; /* * Utility macros; INTERNAL USE ONLY. */ #define __bs_c(a,b) __CONCAT(a,b) #define __bs_opname(op,s) __bs_c(__bs_c(__bs_c(bs_,op),_),s) #define __bs_popname(pfx,op,s) __bs_c(pfx,__bs_c(_,__bs_opname(op,s))) #define __bs_ops(t) (((bus_space_tag_t)(t))->bs_ops) #define __bs_rs(sz, t, h, o) \ (*__bs_ops(t).__bs_opname(r,sz))(t, h, o) #define __bs_ws(sz, t, h, o, v) \ (*__bs_ops(t).__bs_opname(w,sz))(t, h, o, v) #ifdef BUS_SPACE_HAS_REAL_STREAM_METHODS #define __bs_rss(sz, t, h, o) \ (*__bs_ops(t).__bs_opname(rs,sz))(t, h, o) #define __bs_wss(sz, t, h, o, v) \ (*__bs_ops(t).__bs_opname(ws,sz))(t, h, o, v) #endif /* BUS_SPACE_HAS_REAL_STREAM_METHODS */ #define __bs_nonsingle(type, sz, t, h, o, a, c) \ (*__bs_ops(t).__bs_opname(type,sz))(t, h, o, a, c) #define __bs_set(type, sz, t, h, o, v, c) \ (*__bs_ops(t).__bs_opname(type,sz))(t, h, o, v, c) #define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ (*__bs_ops(t).__bs_opname(c,sz))(t, h1, o1, h2, o2, cnt) /* * Mapping and unmapping operations. */ #define bus_space_map(t, a, s, c, hp) \ (*__bs_ops(t).bs_map)(t, (a), (s), (c), (hp)) #define bus_space_unmap(t, h, s) \ (*__bs_ops(t).bs_unmap)(t, (h), (s)) #define bus_space_subregion(t, h, o, s, hp) \ (*__bs_ops(t).bs_subregion)(t, (h), (o), (s), (hp)) /* * Allocation and deallocation operations. */ #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ (*__bs_ops(t).bs_alloc)(t, (rs), (re), (s), (a), (b), (c), (ap), (hp)) #define bus_space_free(t, h, s) \ (*__bs_ops(t).bs_free)(t, (h), (s)) /* * Get kernel virtual address for ranges mapped BUS_SPACE_MAP_LINEAR. */ #define bus_space_vaddr(t, h) \ (*__bs_ops(t).bs_vaddr)(t, (h)) /* * MMap bus space for a user application. */ #define bus_space_mmap(t, a, o, p, f) \ (*__bs_ops(t).bs_mmap)(t, (a), (o), (p), (f)) /* * Bus barrier operations. */ #define bus_space_barrier(t, h, o, l, f) \ (*__bs_ops(t).bs_barrier)(t, (h), (o), (l), (f)) /* * Bus probe operations. */ #define bus_space_peek(t, h, o, s, p) \ (*__bs_ops(t).bs_peek)(t, (h), (o), (s), (p)) #define bus_space_poke(t, h, o, s, v) \ (*__bs_ops(t).bs_poke)(t, (h), (o), (s), (v)) /* * Bus read (single) operations. */ #define bus_space_read_1(t, h, o) __bs_rs(1,(t),(h),(o)) #define bus_space_read_2(t, h, o) __bs_rs(2,(t),(h),(o)) #define bus_space_read_4(t, h, o) __bs_rs(4,(t),(h),(o)) #define bus_space_read_8(t, h, o) __bs_rs(8,(t),(h),(o)) /* * Bus read multiple operations. */ #define bus_space_read_multi_1(t, h, o, a, c) \ __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) #define bus_space_read_multi_2(t, h, o, a, c) \ __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) #define bus_space_read_multi_4(t, h, o, a, c) \ __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) #define bus_space_read_multi_8(t, h, o, a, c) \ __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) /* * Bus read region operations. */ #define bus_space_read_region_1(t, h, o, a, c) \ __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) #define bus_space_read_region_2(t, h, o, a, c) \ __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) #define bus_space_read_region_4(t, h, o, a, c) \ __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) #define bus_space_read_region_8(t, h, o, a, c) \ __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) /* * Bus write (single) operations. */ #define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v)) #define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v)) #define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v)) #define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v)) /* * Bus write multiple operations. */ #define bus_space_write_multi_1(t, h, o, a, c) \ __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) #define bus_space_write_multi_2(t, h, o, a, c) \ __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) #define bus_space_write_multi_4(t, h, o, a, c) \ __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) #define bus_space_write_multi_8(t, h, o, a, c) \ __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) /* * Bus write region operations. */ #define bus_space_write_region_1(t, h, o, a, c) \ __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) #define bus_space_write_region_2(t, h, o, a, c) \ __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) #define bus_space_write_region_4(t, h, o, a, c) \ __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) #define bus_space_write_region_8(t, h, o, a, c) \ __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) #ifdef BUS_SPACE_HAS_REAL_STREAM_METHODS /* * Bus read (single) stream operations. */ #define bus_space_read_stream_1(t, h, o) __bs_rss(1,(t),(h),(o)) #define bus_space_read_stream_2(t, h, o) __bs_rss(2,(t),(h),(o)) #define bus_space_read_stream_4(t, h, o) __bs_rss(4,(t),(h),(o)) #define bus_space_read_stream_8(t, h, o) __bs_rss(8,(t),(h),(o)) /* * Bus read multiple operations. */ #define bus_space_read_multi_stream_1(t, h, o, a, c) \ __bs_nonsingle(rms,1,(t),(h),(o),(a),(c)) #define bus_space_read_multi_stream_2(t, h, o, a, c) \ __bs_nonsingle(rms,2,(t),(h),(o),(a),(c)) #define bus_space_read_multi_stream_4(t, h, o, a, c) \ __bs_nonsingle(rms,4,(t),(h),(o),(a),(c)) #define bus_space_read_multi_stream_8(t, h, o, a, c) \ __bs_nonsingle(rms,8,(t),(h),(o),(a),(c)) /* * Bus read region operations. */ #define bus_space_read_region_stream_1(t, h, o, a, c) \ __bs_nonsingle(rrs,1,(t),(h),(o),(a),(c)) #define bus_space_read_region_stream_2(t, h, o, a, c) \ __bs_nonsingle(rrs,2,(t),(h),(o),(a),(c)) #define bus_space_read_region_stream_4(t, h, o, a, c) \ __bs_nonsingle(rrs,4,(t),(h),(o),(a),(c)) #define bus_space_read_region_stream_8(t, h, o, a, c) \ __bs_nonsingle(rrs,8,(t),(h),(o),(a),(c)) /* * Bus write (single) operations. */ #define bus_space_write_stream_1(t, h, o, v) __bs_wss(1,(t),(h),(o),(v)) #define bus_space_write_stream_2(t, h, o, v) __bs_wss(2,(t),(h),(o),(v)) #define bus_space_write_stream_4(t, h, o, v) __bs_wss(4,(t),(h),(o),(v)) #define bus_space_write_stream_8(t, h, o, v) __bs_wss(8,(t),(h),(o),(v)) /* * Bus write multiple operations. */ #define bus_space_write_multi_stream_1(t, h, o, a, c) \ __bs_nonsingle(wms,1,(t),(h),(o),(a),(c)) #define bus_space_write_multi_stream_2(t, h, o, a, c) \ __bs_nonsingle(wms,2,(t),(h),(o),(a),(c)) #define bus_space_write_multi_stream_4(t, h, o, a, c) \ __bs_nonsingle(wms,4,(t),(h),(o),(a),(c)) #define bus_space_write_multi_stream_8(t, h, o, a, c) \ __bs_nonsingle(wms,8,(t),(h),(o),(a),(c)) /* * Bus write region operations. */ #define bus_space_write_region_stream_1(t, h, o, a, c) \ __bs_nonsingle(wrs,1,(t),(h),(o),(a),(c)) #define bus_space_write_region_stream_2(t, h, o, a, c) \ __bs_nonsingle(wrs,2,(t),(h),(o),(a),(c)) #define bus_space_write_region_stream_4(t, h, o, a, c) \ __bs_nonsingle(wrs,4,(t),(h),(o),(a),(c)) #define bus_space_write_region_stream_8(t, h, o, a, c) \ __bs_nonsingle(wrs,8,(t),(h),(o),(a),(c)) #else #ifdef __BUS_SPACE_HAS_STREAM_METHODS #define bus_space_read_stream_1 bus_space_read_1 #define bus_space_read_stream_2 bus_space_read_2 #define bus_space_read_stream_4 bus_space_read_4 #define bus_space_read_stream_8 bus_space_read_8 #define bus_space_read_multi_stream_1 bus_space_read_multi_1 #define bus_space_read_multi_stream_2 bus_space_read_multi_2 #define bus_space_read_multi_stream_4 bus_space_read_multi_4 #define bus_space_read_multi_stream_8 bus_space_read_multi_8 #define bus_space_read_region_stream_1 bus_space_read_region_1 #define bus_space_read_region_stream_2 bus_space_read_region_2 #define bus_space_read_region_stream_4 bus_space_read_region_4 #define bus_space_read_region_stream_8 bus_space_read_region_8 #define bus_space_write_stream_1 bus_space_write_1 #define bus_space_write_stream_2 bus_space_write_2 #define bus_space_write_stream_4 bus_space_write_4 #define bus_space_write_stream_8 bus_space_write_8 #define bus_space_write_multi_stream_1 bus_space_write_multi_1 #define bus_space_write_multi_stream_2 bus_space_write_multi_2 #define bus_space_write_multi_stream_4 bus_space_write_multi_4 #define bus_space_write_multi_stream_8 bus_space_write_multi_8 #define bus_space_write_region_stream_1 bus_space_write_region_1 #define bus_space_write_region_stream_2 bus_space_write_region_2 #define bus_space_write_region_stream_4 bus_space_write_region_4 #define bus_space_write_region_stream_8 bus_space_write_region_8 #endif /* __BUS_SPACE_HAS_STREAM_METHODS */ #endif /* BUS_SPACE_HAS_REAL_STREAM_METHODS */ /* * Set multiple operations. */ #define bus_space_set_multi_1(t, h, o, v, c) \ __bs_set(sm,1,(t),(h),(o),(v),(c)) #define bus_space_set_multi_2(t, h, o, v, c) \ __bs_set(sm,2,(t),(h),(o),(v),(c)) #define bus_space_set_multi_4(t, h, o, v, c) \ __bs_set(sm,4,(t),(h),(o),(v),(c)) #define bus_space_set_multi_8(t, h, o, v, c) \ __bs_set(sm,8,(t),(h),(o),(v),(c)) /* * Set region operations. */ #define bus_space_set_region_1(t, h, o, v, c) \ __bs_set(sr,1,(t),(h),(o),(v),(c)) #define bus_space_set_region_2(t, h, o, v, c) \ __bs_set(sr,2,(t),(h),(o),(v),(c)) #define bus_space_set_region_4(t, h, o, v, c) \ __bs_set(sr,4,(t),(h),(o),(v),(c)) #define bus_space_set_region_8(t, h, o, v, c) \ __bs_set(sr,8,(t),(h),(o),(v),(c)) /* * Copy operations. */ #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ __bs_copy(1, t, h1, o1, h2, o2, c) #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ __bs_copy(2, t, h1, o1, h2, o2, c) #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ __bs_copy(4, t, h1, o1, h2, o2, c) #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ __bs_copy(8, t, h1, o1, h2, o2, c) /* * Macros to provide prototypes for all the functions used in the * bus_space structure */ #define bs_map_proto(f) \ int __bs_c(f,_bs_map)(bus_space_tag_t t, bus_addr_t addr, \ bus_size_t size, int cacheable, bus_space_handle_t *bshp) #define bs_unmap_proto(f) \ void __bs_c(f,_bs_unmap)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t size) #define bs_subregion_proto(f) \ int __bs_c(f,_bs_subregion)(bus_space_tag_t t, \ bus_space_handle_t bsh, bus_size_t offset, \ bus_size_t size, bus_space_handle_t *nbshp) #define bs_alloc_proto(f) \ int __bs_c(f,_bs_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 cacheable, bus_addr_t *addrp, \ bus_space_handle_t *bshp) #define bs_free_proto(f) \ void __bs_c(f,_bs_free)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t size) #define bs_vaddr_proto(f) \ void * __bs_c(f,_bs_vaddr)(bus_space_tag_t t, bus_space_handle_t bsh) #define bs_mmap_proto(f) \ paddr_t __bs_c(f,_bs_mmap)(bus_space_tag_t t, bus_addr_t addr, \ off_t offset, int prot, int flags) #define bs_barrier_proto(f) \ void __bs_c(f,_bs_barrier)(bus_space_tag_t t, bus_space_handle_t bsh,\ bus_size_t offset, bus_size_t len, int flags) #define bs_peek_proto(f) \ int __bs_c(f,_bs_peek)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, size_t len, void *ptr) #define bs_poke_proto(f) \ int __bs_c(f,_bs_poke)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, size_t len, u_int32_t val) #define bs_r_1_proto(f) \ u_int8_t __bs_c(f,_bs_r_1)(bus_space_tag_t t, \ bus_space_handle_t bsh, bus_size_t offset) #define bs_r_2_proto(f) \ u_int16_t __bs_c(f,_bs_r_2)(bus_space_tag_t t, \ bus_space_handle_t bsh, bus_size_t offset) #define bs_r_4_proto(f) \ u_int32_t __bs_c(f,_bs_r_4)(bus_space_tag_t t, \ bus_space_handle_t bsh, bus_size_t offset) #define bs_r_8_proto(f) \ u_int64_t __bs_c(f,_bs_r_8)(bus_space_tag_t t, \ bus_space_handle_t bsh, bus_size_t offset) #define bs_rm_1_proto(f) \ void __bs_c(f,_bs_rm_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int8_t *addr, bus_size_t count) #define bs_rm_2_proto(f) \ void __bs_c(f,_bs_rm_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int16_t *addr, bus_size_t count) #define bs_rm_4_proto(f) \ void __bs_c(f,_bs_rm_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int32_t *addr, bus_size_t count) #define bs_rm_8_proto(f) \ void __bs_c(f,_bs_rm_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int64_t *addr, bus_size_t count) #define bs_rr_1_proto(f) \ void __bs_c(f,_bs_rr_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int8_t *addr, bus_size_t count) #define bs_rr_2_proto(f) \ void __bs_c(f,_bs_rr_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int16_t *addr, bus_size_t count) #define bs_rr_4_proto(f) \ void __bs_c(f,_bs_rr_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int32_t *addr, bus_size_t count) #define bs_rr_8_proto(f) \ void __bs_c(f,_bs_rr_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int64_t *addr, bus_size_t count) #define bs_w_1_proto(f) \ void __bs_c(f,_bs_w_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int8_t value) #define bs_w_2_proto(f) \ void __bs_c(f,_bs_w_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int16_t value) #define bs_w_4_proto(f) \ void __bs_c(f,_bs_w_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int32_t value) #define bs_w_8_proto(f) \ void __bs_c(f,_bs_w_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int64_t value) #define bs_wm_1_proto(f) \ void __bs_c(f,_bs_wm_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int8_t *addr, bus_size_t count) #define bs_wm_2_proto(f) \ void __bs_c(f,_bs_wm_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int16_t *addr, bus_size_t count) #define bs_wm_4_proto(f) \ void __bs_c(f,_bs_wm_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int32_t *addr, bus_size_t count) #define bs_wm_8_proto(f) \ void __bs_c(f,_bs_wm_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int64_t *addr, bus_size_t count) #define bs_wr_1_proto(f) \ void __bs_c(f,_bs_wr_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int8_t *addr, bus_size_t count) #define bs_wr_2_proto(f) \ void __bs_c(f,_bs_wr_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int16_t *addr, bus_size_t count) #define bs_wr_4_proto(f) \ void __bs_c(f,_bs_wr_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int32_t *addr, bus_size_t count) #define bs_wr_8_proto(f) \ void __bs_c(f,_bs_wr_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int64_t *addr, bus_size_t count) #ifdef BUS_SPACE_HAS_REAL_STREAM_METHODS #define bs_rs_1_proto(f) \ u_int8_t __bs_c(f,_bs_rs_1)(bus_space_tag_t t, \ bus_space_handle_t bsh, bus_size_t offset) #define bs_rs_2_proto(f) \ u_int16_t __bs_c(f,_bs_rs_2)(bus_space_tag_t t, \ bus_space_handle_t bsh, bus_size_t offset) #define bs_rs_4_proto(f) \ u_int32_t __bs_c(f,_bs_rs_4)(bus_space_tag_t t, \ bus_space_handle_t bsh, bus_size_t offset) #define bs_rs_8_proto(f) \ u_int64_t __bs_c(f,_bs_rs_8)(bus_space_tag_t t, \ bus_space_handle_t bsh, bus_size_t offset) #define bs_rms_1_proto(f) \ void __bs_c(f,_bs_rms_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int8_t *addr, bus_size_t count) #define bs_rms_2_proto(f) \ void __bs_c(f,_bs_rms_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int16_t *addr, bus_size_t count) #define bs_rms_4_proto(f) \ void __bs_c(f,_bs_rms_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int32_t *addr, bus_size_t count) #define bs_rms_8_proto(f) \ void __bs_c(f,_bs_rms_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int64_t *addr, bus_size_t count) #define bs_rrs_1_proto(f) \ void __bs_c(f,_bs_rrs_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int8_t *addr, bus_size_t count) #define bs_rrs_2_proto(f) \ void __bs_c(f,_bs_rrs_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int16_t *addr, bus_size_t count) #define bs_rrs_4_proto(f) \ void __bs_c(f,_bs_rrs_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int32_t *addr, bus_size_t count) #define bs_rrs_8_proto(f) \ void __bs_c(f,_bs_rrs_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int64_t *addr, bus_size_t count) #define bs_ws_1_proto(f) \ void __bs_c(f,_bs_ws_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int8_t value) #define bs_ws_2_proto(f) \ void __bs_c(f,_bs_ws_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int16_t value) #define bs_ws_4_proto(f) \ void __bs_c(f,_bs_ws_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int32_t value) #define bs_ws_8_proto(f) \ void __bs_c(f,_bs_ws_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int64_t value) #define bs_wms_1_proto(f) \ void __bs_c(f,_bs_wms_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int8_t *addr, bus_size_t count) #define bs_wms_2_proto(f) \ void __bs_c(f,_bs_wms_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int16_t *addr, bus_size_t count) #define bs_wms_4_proto(f) \ void __bs_c(f,_bs_wms_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int32_t *addr, bus_size_t count) #define bs_wms_8_proto(f) \ void __bs_c(f,_bs_wms_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int64_t *addr, bus_size_t count) #define bs_wrs_1_proto(f) \ void __bs_c(f,_bs_wrs_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int8_t *addr, bus_size_t count) #define bs_wrs_2_proto(f) \ void __bs_c(f,_bs_wrs_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int16_t *addr, bus_size_t count) #define bs_wrs_4_proto(f) \ void __bs_c(f,_bs_wrs_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int32_t *addr, bus_size_t count) #define bs_wrs_8_proto(f) \ void __bs_c(f,_bs_wrs_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, const u_int64_t *addr, bus_size_t count) #else /* BUS_SPACE_HAS_REAL_STREAM_METHODS */ #define bs_rs_1_proto(f) #define bs_rs_2_proto(f) #define bs_rs_4_proto(f) #define bs_rs_8_proto(f) #define bs_rms_1_proto(f) #define bs_rms_2_proto(f) #define bs_rms_4_proto(f) #define bs_rms_8_proto(f) #define bs_rrs_1_proto(f) #define bs_rrs_2_proto(f) #define bs_rrs_4_proto(f) #define bs_rrs_8_proto(f) #define bs_ws_1_proto(f) #define bs_ws_2_proto(f) #define bs_ws_4_proto(f) #define bs_ws_8_proto(f) #define bs_wms_1_proto(f) #define bs_wms_2_proto(f) #define bs_wms_4_proto(f) #define bs_wms_8_proto(f) #define bs_wrs_1_proto(f) #define bs_wrs_2_proto(f) #define bs_wrs_4_proto(f) #define bs_wrs_8_proto(f) #endif /* ! BUS_SPACE_HAS_REAL_STREAM_METHODS */ #define bs_sm_1_proto(f) \ void __bs_c(f,_bs_sm_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int8_t value, bus_size_t count) #define bs_sm_2_proto(f) \ void __bs_c(f,_bs_sm_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int16_t value, bus_size_t count) #define bs_sm_4_proto(f) \ void __bs_c(f,_bs_sm_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int32_t value, bus_size_t count) #define bs_sm_8_proto(f) \ void __bs_c(f,_bs_sm_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int64_t value, bus_size_t count) #define bs_sr_1_proto(f) \ void __bs_c(f,_bs_sr_1)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int8_t value, bus_size_t count) #define bs_sr_2_proto(f) \ void __bs_c(f,_bs_sr_2)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int16_t value, bus_size_t count) #define bs_sr_4_proto(f) \ void __bs_c(f,_bs_sr_4)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int32_t value, bus_size_t count) #define bs_sr_8_proto(f) \ void __bs_c(f,_bs_sr_8)(bus_space_tag_t t, bus_space_handle_t bsh, \ bus_size_t offset, u_int64_t value, bus_size_t count) #define bs_c_1_proto(f) \ void __bs_c(f,_bs_c_1)(bus_space_tag_t t, bus_space_handle_t bsh1, \ bus_size_t offset1, bus_space_handle_t bsh2, \ bus_size_t offset2, bus_size_t count) #define bs_c_2_proto(f) \ void __bs_c(f,_bs_c_2)(bus_space_tag_t t, bus_space_handle_t bsh1, \ bus_size_t offset1, bus_space_handle_t bsh2, \ bus_size_t offset2, bus_size_t count) #define bs_c_4_proto(f) \ void __bs_c(f,_bs_c_4)(bus_space_tag_t t, bus_space_handle_t bsh1, \ bus_size_t offset1, bus_space_handle_t bsh2, \ bus_size_t offset2, bus_size_t count) #define bs_c_8_proto(f) \ void __bs_c(f,_bs_c_8)(bus_space_tag_t t, bus_space_handle_t bsh1, \ bus_size_t offset1, bus_space_handle_t bsh2, \ bus_size_t offset2, bus_size_t count) #define bus_space_protos(f) \ bs_map_proto(f); \ bs_unmap_proto(f); \ bs_subregion_proto(f); \ bs_alloc_proto(f); \ bs_free_proto(f); \ bs_vaddr_proto(f); \ bs_mmap_proto(f); \ bs_barrier_proto(f); \ bs_peek_proto(f); \ bs_poke_proto(f); \ bs_r_1_proto(f); \ bs_r_2_proto(f); \ bs_r_4_proto(f); \ bs_r_8_proto(f); \ bs_rm_1_proto(f); \ bs_rm_2_proto(f); \ bs_rm_4_proto(f); \ bs_rm_8_proto(f); \ bs_rr_1_proto(f); \ bs_rr_2_proto(f); \ bs_rr_4_proto(f); \ bs_rr_8_proto(f); \ bs_w_1_proto(f); \ bs_w_2_proto(f); \ bs_w_4_proto(f); \ bs_w_8_proto(f); \ bs_wm_1_proto(f); \ bs_wm_2_proto(f); \ bs_wm_4_proto(f); \ bs_wm_8_proto(f); \ bs_wr_1_proto(f); \ bs_wr_2_proto(f); \ bs_wr_4_proto(f); \ bs_wr_8_proto(f); \ bs_rs_1_proto(f); \ bs_rs_2_proto(f); \ bs_rs_4_proto(f); \ bs_rs_8_proto(f); \ bs_rms_1_proto(f); \ bs_rms_2_proto(f); \ bs_rms_4_proto(f); \ bs_rms_8_proto(f); \ bs_rrs_1_proto(f); \ bs_rrs_2_proto(f); \ bs_rrs_4_proto(f); \ bs_rrs_8_proto(f); \ bs_ws_1_proto(f); \ bs_ws_2_proto(f); \ bs_ws_4_proto(f); \ bs_ws_8_proto(f); \ bs_wms_1_proto(f); \ bs_wms_2_proto(f); \ bs_wms_4_proto(f); \ bs_wms_8_proto(f); \ bs_wrs_1_proto(f); \ bs_wrs_2_proto(f); \ bs_wrs_4_proto(f); \ bs_wrs_8_proto(f); \ bs_sm_1_proto(f); \ bs_sm_2_proto(f); \ bs_sm_4_proto(f); \ bs_sm_8_proto(f); \ bs_sr_1_proto(f); \ bs_sr_2_proto(f); \ bs_sr_4_proto(f); \ bs_sr_8_proto(f); \ bs_c_1_proto(f); \ bs_c_2_proto(f); \ bs_c_4_proto(f); \ bs_c_8_proto(f); #endif /* ! BUS_SPACE_MD_CALLS */ #ifndef BUS_SPACE_MD_TYPES #ifdef BUS_SPACE_MD_CALLS typedef struct bus_space *bus_space_tag_t; #endif /* BUS_SPACE_MD_CALLS */ /* * bus_space_tag_t * * bus space tag structure */ struct bus_space_tag { bus_space_tag_t bs_base; struct bus_space_ops bs_ops; }; #endif /* ! BUS_SPACE_MD_TYPES */ #ifndef BUS_DMA_MD_CALLS /* * 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 */ /* * 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 */ /* Forwards needed by prototypes below. */ struct mbuf; struct uio; #ifndef BUS_DMA_MD_TYPES typedef struct bus_dma_tag *bus_dma_tag_t; typedef struct bus_dma_segment bus_dma_segment_t; typedef struct bus_dmamap *bus_dmamap_t; #endif /* ! BUS_DMA_MD_TYPES */ #define BUS_DMA_TAG_VALID(t) ((t) != (bus_dma_tag_t)0) /* * bus DMA operaion table */ struct bus_dma_ops { /* * DMA mapping methods. */ int (*bd_map_create)(bus_dma_tag_t, bus_size_t, int, bus_size_t, bus_size_t, int, bus_dmamap_t *); void (*bd_map_destroy)(bus_dma_tag_t, bus_dmamap_t); int (*bd_map_load)(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t, struct proc *, int); int (*bd_map_load_mbuf)(bus_dma_tag_t, bus_dmamap_t, struct mbuf *, int); int (*bd_map_load_uio)(bus_dma_tag_t, bus_dmamap_t, struct uio *, int); int (*bd_map_load_raw)(bus_dma_tag_t, bus_dmamap_t, bus_dma_segment_t *, int, bus_size_t, int); void (*bd_map_unload)(bus_dma_tag_t, bus_dmamap_t); void (*bd_map_sync)(bus_dma_tag_t, bus_dmamap_t, bus_addr_t, bus_size_t, int); /* * DMA memory utility functions. */ int (*bd_mem_alloc)(bus_dma_tag_t, bus_size_t, bus_size_t, bus_size_t, bus_dma_segment_t *, int, int *, int); void (*bd_mem_free)(bus_dma_tag_t, bus_dma_segment_t *, int); int (*bd_mem_map)(bus_dma_tag_t, bus_dma_segment_t *, int, size_t, void **, int); void (*bd_mem_unmap)(bus_dma_tag_t, void *, size_t); paddr_t (*bd_mem_mmap)(bus_dma_tag_t, bus_dma_segment_t *, int, off_t, int, int); }; /* * bus DMA methods */ #define __bd_ops(t) (((bus_dma_tag_t)(t))->bd_ops) #define bus_dmamap_create(t, s, n, m, b, f, p) \ (*__bd_ops(t).bd_map_create)((t), (s), (n), (m), (b), (f), (p)) #define bus_dmamap_destroy(t, p) \ (*__bd_ops(t).bd_map_destroy)((t), (p)) #define bus_dmamap_load(t, m, b, s, p, f) \ (*__bd_ops(t).bd_map_load)((t), (m), (b), (s), (p), (f)) #define bus_dmamap_load_mbuf(t, m, b, f) \ (*__bd_ops(t).bd_map_load_mbuf)((t), (m), (b), (f)) #define bus_dmamap_load_uio(t, m, u, f) \ (*__bd_ops(t).bd_map_load_uio)((t), (m), (u), (f)) #define bus_dmamap_load_raw(t, m, sg, n, s, f) \ (*__bd_ops(t).bd_map_load_raw)((t), (m), (sg), (n), (s), (f)) #define bus_dmamap_unload(t, p) \ (*__bd_ops(t).bd_map_unload)((t), (p)) #define bus_dmamap_sync(t, p, o, l, ops) \ (void)(__bd_ops(t).bd_map_sync ? \ (*__bd_ops(t).bd_map_sync)((t), (p), (o), (l), (ops)) : (void)0) #define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \ (*__bd_ops(t).bd_mem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f)) #define bus_dmamem_free(t, sg, n) \ (*__bd_ops(t).bd_mem_free)((t), (sg), (n)) #define bus_dmamem_map(t, sg, n, s, k, f) \ (*__bd_ops(t).bd_mem_map)((t), (sg), (n), (s), (k), (f)) #define bus_dmamem_unmap(t, k, s) \ (*__bd_ops(t).bd_mem_unmap)((t), (k), (s)) #define bus_dmamem_mmap(t, sg, n, o, p, f) \ (*__bd_ops(t).bd_mem_mmap)((t), (sg), (n), (o), (p), (f)) #define bus_dmatag_subregion(t, mna, mxa, nt, f) EOPNOTSUPP #define bus_dmatag_destroy(t) /* * Macros to provide prototypes for all the functions used in the * bus_dma structure */ #define bus_dma_protos(f) \ int __bs_c(f,_bd_map_create)(bus_dma_tag_t, bus_size_t, int, \ bus_size_t, bus_size_t, int, bus_dmamap_t *); \ void __bs_c(f,_bd_map_destroy)(bus_dma_tag_t, bus_dmamap_t); \ int __bs_c(f,_bd_map_load)(bus_dma_tag_t, bus_dmamap_t, void *, \ bus_size_t, struct proc *, int); \ int __bs_c(f,_bd_map_load_mbuf)(bus_dma_tag_t, bus_dmamap_t, \ struct mbuf *, int); \ int __bs_c(f,_bd_map_load_uio)(bus_dma_tag_t, bus_dmamap_t, \ struct uio *, int); \ int __bs_c(f,_bd_map_load_raw)(bus_dma_tag_t, bus_dmamap_t, \ bus_dma_segment_t *, int, bus_size_t, int); \ void __bs_c(f,_bd_map_unload)(bus_dma_tag_t, bus_dmamap_t); \ void __bs_c(f,_bd_map_sync)(bus_dma_tag_t, bus_dmamap_t, \ bus_addr_t, bus_size_t, int); \ int __bs_c(f,_bd_mem_alloc)(bus_dma_tag_t, bus_size_t, bus_size_t, \ bus_size_t, bus_dma_segment_t *, int, int *, int); \ void __bs_c(f,_bd_mem_free)(bus_dma_tag_t, bus_dma_segment_t *, int);\ int __bs_c(f,_bd_mem_map)(bus_dma_tag_t, bus_dma_segment_t *, \ int, size_t, void **, int); \ void __bs_c(f,_bd_mem_unmap)(bus_dma_tag_t, void *, size_t); \ paddr_t __bs_c(f,_bd_mem_mmap)(bus_dma_tag_t, bus_dma_segment_t *, \ int, off_t, int, int); #endif /* ! BUS_DMA_MD_CALLS */ #ifndef BUS_DMA_MD_TYPES #ifdef BUS_DMA_MD_CALLS typedef struct bus_dma_tag *bus_dma_tag_t; typedef struct bus_dma_segment bus_dma_segment_t; typedef struct bus_dmamap *bus_dmamap_t; #endif /* ! BUS_DMA_MD_CALLS */ /* * bus_dma_tag * * Describes a implementation of DMA for a given bus. */ struct bus_dma_tag { bus_dma_tag_t bd_base; struct bus_dma_ops bd_ops; }; /* * bus_dma_segment * * Describes a single contiguous DMA transaction. */ struct bus_dma_segment { bus_addr_t ds_addr; /* DMA address */ bus_size_t ds_len; /* length of transfer */ }; /* * bus_dmamap * * Describes a DMA mapping. */ struct bus_dmamap { bus_size_t dm_maxsegsz; /* largest possible segment */ bus_size_t dm_mapsize; /* size of the mapping */ int dm_nsegs; /* # valid segments in mapping */ bus_dma_segment_t *dm_segs; /* segments; variable length */ }; #endif /* ! BUS_DMA_MD_TYPES */ #include #endif /* _SYS_BUS_H_ */