diff options
Diffstat (limited to 'sys/arch/arm/include/bus.h')
-rw-r--r-- | sys/arch/arm/include/bus.h | 1071 |
1 files changed, 1071 insertions, 0 deletions
diff --git a/sys/arch/arm/include/bus.h b/sys/arch/arm/include/bus.h new file mode 100644 index 00000000000..b1a508e9903 --- /dev/null +++ b/sys/arch/arm/include/bus.h @@ -0,0 +1,1071 @@ +/* $NetBSD: bus.h,v 1.12 2003/10/23 15:03:24 scw 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. + */ + +#ifndef _ARM32_BUS_H_ +#define _ARM32_BUS_H_ + +#if defined(_KERNEL_OPT) +#include "opt_arm_bus_space.h" +#endif + +/* + * Addresses (in bus space). + */ +typedef u_long bus_addr_t; +typedef u_long bus_size_t; + +/* + * Access methods for bus space. + */ +typedef struct bus_space *bus_space_tag_t; +typedef u_long bus_space_handle_t; + +/* + * int bus_space_map __P((bus_space_tag_t t, bus_addr_t addr, + * bus_size_t size, int flags, bus_space_handle_t *bshp)); + * + * Map a region of bus space. + */ + +#define BUS_SPACE_MAP_CACHEABLE 0x01 +#define BUS_SPACE_MAP_LINEAR 0x02 +#define BUS_SPACE_MAP_PREFETCHABLE 0x04 + +struct bus_space { + /* cookie */ + void *bs_cookie; + + /* mapping/unmapping */ + int (*bs_map) __P((void *, bus_addr_t, bus_size_t, + int, bus_space_handle_t *)); + void (*bs_unmap) __P((void *, bus_space_handle_t, + bus_size_t)); + int (*bs_subregion) __P((void *, bus_space_handle_t, + bus_size_t, bus_size_t, bus_space_handle_t *)); + + /* allocation/deallocation */ + int (*bs_alloc) __P((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) __P((void *, bus_space_handle_t, + bus_size_t)); + + /* get kernel virtual address */ + void * (*bs_vaddr) __P((void *, bus_space_handle_t)); + + /* mmap bus space for user */ + paddr_t (*bs_mmap) __P((void *, bus_addr_t, off_t, int, int)); + + /* barrier */ + void (*bs_barrier) __P((void *, bus_space_handle_t, + bus_size_t, bus_size_t, int)); + + /* read (single) */ + u_int8_t (*bs_r_1) __P((void *, bus_space_handle_t, + bus_size_t)); + u_int16_t (*bs_r_2) __P((void *, bus_space_handle_t, + bus_size_t)); + u_int32_t (*bs_r_4) __P((void *, bus_space_handle_t, + bus_size_t)); + u_int64_t (*bs_r_8) __P((void *, bus_space_handle_t, + bus_size_t)); + + /* read multiple */ + void (*bs_rm_1) __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t *, bus_size_t)); + void (*bs_rm_2) __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t *, bus_size_t)); + void (*bs_rm_4) __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t *, bus_size_t)); + void (*bs_rm_8) __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t *, bus_size_t)); + + /* read region */ + void (*bs_rr_1) __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t *, bus_size_t)); + void (*bs_rr_2) __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t *, bus_size_t)); + void (*bs_rr_4) __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t *, bus_size_t)); + void (*bs_rr_8) __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t *, bus_size_t)); + + /* write (single) */ + void (*bs_w_1) __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t)); + void (*bs_w_2) __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t)); + void (*bs_w_4) __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t)); + void (*bs_w_8) __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t)); + + /* write multiple */ + void (*bs_wm_1) __P((void *, bus_space_handle_t, + bus_size_t, const u_int8_t *, bus_size_t)); + void (*bs_wm_2) __P((void *, bus_space_handle_t, + bus_size_t, const u_int16_t *, bus_size_t)); + void (*bs_wm_4) __P((void *, bus_space_handle_t, + bus_size_t, const u_int32_t *, bus_size_t)); + void (*bs_wm_8) __P((void *, bus_space_handle_t, + bus_size_t, const u_int64_t *, bus_size_t)); + + /* write region */ + void (*bs_wr_1) __P((void *, bus_space_handle_t, + bus_size_t, const u_int8_t *, bus_size_t)); + void (*bs_wr_2) __P((void *, bus_space_handle_t, + bus_size_t, const u_int16_t *, bus_size_t)); + void (*bs_wr_4) __P((void *, bus_space_handle_t, + bus_size_t, const u_int32_t *, bus_size_t)); + void (*bs_wr_8) __P((void *, bus_space_handle_t, + bus_size_t, const u_int64_t *, bus_size_t)); + + /* set multiple */ + void (*bs_sm_1) __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t, bus_size_t)); + void (*bs_sm_2) __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t, bus_size_t)); + void (*bs_sm_4) __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t, bus_size_t)); + void (*bs_sm_8) __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t, bus_size_t)); + + /* set region */ + void (*bs_sr_1) __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t, bus_size_t)); + void (*bs_sr_2) __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t, bus_size_t)); + void (*bs_sr_4) __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t, bus_size_t)); + void (*bs_sr_8) __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t, bus_size_t)); + + /* copy */ + void (*bs_c_1) __P((void *, bus_space_handle_t, bus_size_t, + bus_space_handle_t, bus_size_t, bus_size_t)); + void (*bs_c_2) __P((void *, bus_space_handle_t, bus_size_t, + bus_space_handle_t, bus_size_t, bus_size_t)); + void (*bs_c_4) __P((void *, bus_space_handle_t, bus_size_t, + bus_space_handle_t, bus_size_t, bus_size_t)); + void (*bs_c_8) __P((void *, bus_space_handle_t, bus_size_t, + bus_space_handle_t, bus_size_t, bus_size_t)); + +#ifdef __BUS_SPACE_HAS_STREAM_METHODS + /* read stream (single) */ + u_int8_t (*bs_r_1_s) __P((void *, bus_space_handle_t, + bus_size_t)); + u_int16_t (*bs_r_2_s) __P((void *, bus_space_handle_t, + bus_size_t)); + u_int32_t (*bs_r_4_s) __P((void *, bus_space_handle_t, + bus_size_t)); + u_int64_t (*bs_r_8_s) __P((void *, bus_space_handle_t, + bus_size_t)); + + /* read multiple stream */ + void (*bs_rm_1_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t *, bus_size_t)); + void (*bs_rm_2_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t *, bus_size_t)); + void (*bs_rm_4_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t *, bus_size_t)); + void (*bs_rm_8_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t *, bus_size_t)); + + /* read region stream */ + void (*bs_rr_1_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t *, bus_size_t)); + void (*bs_rr_2_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t *, bus_size_t)); + void (*bs_rr_4_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t *, bus_size_t)); + void (*bs_rr_8_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t *, bus_size_t)); + + /* write stream (single) */ + void (*bs_w_1_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int8_t)); + void (*bs_w_2_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int16_t)); + void (*bs_w_4_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int32_t)); + void (*bs_w_8_s) __P((void *, bus_space_handle_t, + bus_size_t, u_int64_t)); + + /* write multiple stream */ + void (*bs_wm_1_s) __P((void *, bus_space_handle_t, + bus_size_t, const u_int8_t *, bus_size_t)); + void (*bs_wm_2_s) __P((void *, bus_space_handle_t, + bus_size_t, const u_int16_t *, bus_size_t)); + void (*bs_wm_4_s) __P((void *, bus_space_handle_t, + bus_size_t, const u_int32_t *, bus_size_t)); + void (*bs_wm_8_s) __P((void *, bus_space_handle_t, + bus_size_t, const u_int64_t *, bus_size_t)); + + /* write region stream */ + void (*bs_wr_1_s) __P((void *, bus_space_handle_t, + bus_size_t, const u_int8_t *, bus_size_t)); + void (*bs_wr_2_s) __P((void *, bus_space_handle_t, + bus_size_t, const u_int16_t *, bus_size_t)); + void (*bs_wr_4_s) __P((void *, bus_space_handle_t, + bus_size_t, const u_int32_t *, bus_size_t)); + void (*bs_wr_8_s) __P((void *, bus_space_handle_t, + bus_size_t, const u_int64_t *, bus_size_t)); +#endif /* __BUS_SPACE_HAS_STREAM_METHODS */ +}; + + +/* + * Utility macros; INTERNAL USE ONLY. + */ +#define __bs_c(a,b) __CONCAT(a,b) +#define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size) + +#define __bs_rs(sz, t, h, o) \ + (*(t)->__bs_opname(r,sz))((t)->bs_cookie, h, o) +#define __bs_ws(sz, t, h, o, v) \ + (*(t)->__bs_opname(w,sz))((t)->bs_cookie, h, o, v) +#define __bs_nonsingle(type, sz, t, h, o, a, c) \ + (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c) +#define __bs_set(type, sz, t, h, o, v, c) \ + (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v, c) +#define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ + (*(t)->__bs_opname(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt) + +#ifdef __BUS_SPACE_HAS_STREAM_METHODS +#define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s) +#define __bs_rs_s(sz, t, h, o) \ + (*(t)->__bs_opname_s(r,sz))((t)->bs_cookie, h, o) +#define __bs_ws_s(sz, t, h, o, v) \ + (*(t)->__bs_opname_s(w,sz))((t)->bs_cookie, h, o, v) +#define __bs_nonsingle_s(type, sz, t, h, o, a, c) \ + (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, a, c) +#define __bs_set_s(type, sz, t, h, o, v, c) \ + (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, v, c) +#define __bs_copy_s(sz, t, h1, o1, h2, o2, cnt) \ + (*(t)->__bs_opname_s(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt) +#endif + +/* + * Mapping and unmapping operations. + */ +#define bus_space_map(t, a, s, c, hp) \ + (*(t)->bs_map)((t)->bs_cookie, (a), (s), (c), (hp)) +#define bus_space_unmap(t, h, s) \ + (*(t)->bs_unmap)((t)->bs_cookie, (h), (s)) +#define bus_space_subregion(t, h, o, s, hp) \ + (*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp)) + + +/* + * Allocation and deallocation operations. + */ +#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ + (*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b), \ + (c), (ap), (hp)) +#define bus_space_free(t, h, s) \ + (*(t)->bs_free)((t)->bs_cookie, (h), (s)) + +/* + * Get kernel virtual address for ranges mapped BUS_SPACE_MAP_LINEAR. + */ +#define bus_space_vaddr(t, h) \ + (*(t)->bs_vaddr)((t)->bs_cookie, (h)) + +/* + * MMap bus space for a user application. + */ +#define bus_space_mmap(t, a, o, p, f) \ + (*(t)->bs_mmap)((t)->bs_cookie, (a), (o), (p), (f)) + +/* + * Bus barrier operations. + */ +#define bus_space_barrier(t, h, o, l, f) \ + (*(t)->bs_barrier)((t)->bs_cookie, (h), (o), (l), (f)) + +#define BUS_SPACE_BARRIER_READ 0x01 +#define BUS_SPACE_BARRIER_WRITE 0x02 + +/* + * 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)) +#ifdef __BUS_SPACE_HAS_STREAM_METHODS +#define bus_space_read_stream_1(t, h, o) __bs_rs_s(1,(t),(h),(o)) +#define bus_space_read_stream_2(t, h, o) __bs_rs_s(2,(t),(h),(o)) +#define bus_space_read_stream_4(t, h, o) __bs_rs_s(4,(t),(h),(o)) +#define bus_space_read_stream_8(t, h, o) __bs_rs_s(8,(t),(h),(o)) +#endif + + +/* + * 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)) +#ifdef __BUS_SPACE_HAS_STREAM_METHODS +#define bus_space_read_multi_stream_1(t, h, o, a, c) \ + __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c)) +#define bus_space_read_multi_stream_2(t, h, o, a, c) \ + __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c)) +#define bus_space_read_multi_stream_4(t, h, o, a, c) \ + __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c)) +#define bus_space_read_multi_stream_8(t, h, o, a, c) \ + __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c)) +#endif + + +/* + * 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)) +#ifdef __BUS_SPACE_HAS_STREAM_METHODS +#define bus_space_read_region_stream_1(t, h, o, a, c) \ + __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) +#define bus_space_read_region_stream_2(t, h, o, a, c) \ + __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) +#define bus_space_read_region_stream_4(t, h, o, a, c) \ + __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) +#define bus_space_read_region_stream_8(t, h, o, a, c) \ + __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) +#endif + + +/* + * 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)) +#ifdef __BUS_SPACE_HAS_STREAM_METHODS +#define bus_space_write_stream_1(t, h, o, v) __bs_ws_s(1,(t),(h),(o),(v)) +#define bus_space_write_stream_2(t, h, o, v) __bs_ws_s(2,(t),(h),(o),(v)) +#define bus_space_write_stream_4(t, h, o, v) __bs_ws_s(4,(t),(h),(o),(v)) +#define bus_space_write_stream_8(t, h, o, v) __bs_ws_s(8,(t),(h),(o),(v)) +#endif + + +/* + * 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)) +#ifdef __BUS_SPACE_HAS_STREAM_METHODS +#define bus_space_write_multi_stream_1(t, h, o, a, c) \ + __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) +#define bus_space_write_multi_stream_2(t, h, o, a, c) \ + __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) +#define bus_space_write_multi_stream_4(t, h, o, a, c) \ + __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) +#define bus_space_write_multi_stream_8(t, h, o, a, c) \ + __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) +#endif + + +/* + * 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_STREAM_METHODS +#define bus_space_write_region_stream_1(t, h, o, a, c) \ + __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) +#define bus_space_write_region_stream_2(t, h, o, a, c) \ + __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) +#define bus_space_write_region_stream_4(t, h, o, a, c) \ + __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) +#define bus_space_write_region_stream_8(t, h, o, a, c) \ + __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) +#endif + + +/* + * 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) + +void +bus_space_copy_1(bus_space_tag_t bst, bus_space_handle_t h1, + bus_space_handle_t h2, bus_size_t o1, bus_size_t o2, bus_size_t c); +void +bus_space_copy_2(bus_space_tag_t bst, bus_space_handle_t h1, + bus_space_handle_t h2, bus_size_t o1, bus_size_t o2, bus_size_t c); +void +bus_space_copy_4(bus_space_tag_t bst, bus_space_handle_t h1, + bus_space_handle_t h2, bus_size_t o1, bus_size_t o2, bus_size_t c); +#define bus_space_copy_8 \ + !!! bus_space_write_raw_multi_8 not implemented !!! + +/* + * 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) __P((void *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) __P((void *t, bus_space_handle_t bsh, \ + bus_size_t size)); + +#define bs_subregion_proto(f) \ +int __bs_c(f,_bs_subregion) __P((void *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) __P((void *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) __P((void *t, bus_space_handle_t bsh, \ + bus_size_t size)); + +#define bs_vaddr_proto(f) \ +void * __bs_c(f,_bs_vaddr) __P((void *t, bus_space_handle_t bsh)); + +#define bs_mmap_proto(f) \ +paddr_t __bs_c(f,_bs_mmap) __P((void *, bus_addr_t, off_t, int, int)); + +#define bs_barrier_proto(f) \ +void __bs_c(f,_bs_barrier) __P((void *t, bus_space_handle_t bsh, \ + bus_size_t offset, bus_size_t len, int flags)); + +#define bs_r_1_proto(f) \ +u_int8_t __bs_c(f,_bs_r_1) __P((void *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) __P((void *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) __P((void *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) __P((void *t, bus_space_handle_t bsh, \ + bus_size_t offset)); + +#define bs_w_1_proto(f) \ +void __bs_c(f,_bs_w_1) __P((void *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) __P((void *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) __P((void *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) __P((void *t, bus_space_handle_t bsh, \ + bus_size_t offset, u_int64_t value)); + +#define bs_rm_1_proto(f) \ +void __bs_c(f,_bs_rm_1) __P((void *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) __P((void *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) __P((void *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) __P((void *t, bus_space_handle_t bsh, \ + bus_size_t offset, u_int64_t *addr, bus_size_t count)); + +#define bs_wm_1_proto(f) \ +void __bs_c(f,_bs_wm_1) __P((void *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) __P((void *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) __P((void *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) __P((void *t, bus_space_handle_t bsh, \ + bus_size_t offset, const u_int64_t *addr, bus_size_t count)); + +#define bs_rr_1_proto(f) \ +void __bs_c(f, _bs_rr_1) __P((void *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) __P((void *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) __P((void *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) __P((void *t, bus_space_handle_t bsh, \ + bus_size_t offset, u_int64_t *addr, bus_size_t count)); + +#define bs_wr_1_proto(f) \ +void __bs_c(f, _bs_wr_1) __P((void *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) __P((void *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) __P((void *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) __P((void *t, bus_space_handle_t bsh, \ + bus_size_t offset, const u_int64_t *addr, bus_size_t count)); + +#define bs_sm_1_proto(f) \ +void __bs_c(f,_bs_sm_1) __P((void *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) __P((void *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) __P((void *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) __P((void *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) __P((void *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) __P((void *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) __P((void *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) __P((void *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) __P((void *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) __P((void *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) __P((void *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) __P((void *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_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_r_1_proto(f); \ +bs_r_2_proto(f); \ +bs_r_4_proto(f); \ +bs_r_8_proto(f); \ +bs_w_1_proto(f); \ +bs_w_2_proto(f); \ +bs_w_4_proto(f); \ +bs_w_8_proto(f); \ +bs_rm_1_proto(f); \ +bs_rm_2_proto(f); \ +bs_rm_4_proto(f); \ +bs_rm_8_proto(f); \ +bs_wm_1_proto(f); \ +bs_wm_2_proto(f); \ +bs_wm_4_proto(f); \ +bs_wm_8_proto(f); \ +bs_rr_1_proto(f); \ +bs_rr_2_proto(f); \ +bs_rr_4_proto(f); \ +bs_rr_8_proto(f); \ +bs_wr_1_proto(f); \ +bs_wr_2_proto(f); \ +bs_wr_4_proto(f); \ +bs_wr_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); + +#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) + +/* Bus Space DMA macros */ + +/* + * 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 */ + +/* + * Private flags stored in the DMA map. + */ +#define ARM32_DMAMAP_COHERENT 0x10000 /* no cache flush necessary on sync */ + +/* 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 */ + +typedef struct arm32_bus_dma_tag *bus_dma_tag_t; +typedef struct arm32_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 arm32_bus_dma_segment { + /* + * PUBLIC MEMBERS: these are used by machine-independent code. + */ + bus_addr_t ds_addr; /* DMA address */ + bus_size_t ds_len; /* length of transfer */ + /* + * PRIVATE MEMBERS: not for use by machine-independent code. + */ + bus_addr_t _ds_vaddr; /* Virtual mapped address + * Used by bus_dmamem_sync() */ +}; +typedef struct arm32_bus_dma_segment bus_dma_segment_t; + +/* + * arm32_dma_range + * + * This structure describes a valid DMA range. + */ +struct arm32_dma_range { + bus_addr_t dr_sysbase; /* system base address */ + bus_addr_t dr_busbase; /* appears here on bus */ + bus_size_t dr_len; /* length of range */ +}; + +/* + * bus_dma_tag_t + * + * A machine-dependent opaque type describing the implementation of + * DMA for a given bus. + */ + +struct arm32_bus_dma_tag { + /* + * DMA range for this tag. If the page doesn't fall within + * one of these ranges, an error is returned. The caller + * may then decide what to do with the transfer. If the + * range pointer is NULL, it is ignored. + */ + struct arm32_dma_range *_ranges; + int _nranges; + + /* + * Opaque cookie for use by back-end. + */ + void *_cookie; + + /* + * DMA mapping methods. + */ + int (*_dmamap_create) __P((bus_dma_tag_t, bus_size_t, int, + bus_size_t, bus_size_t, int, bus_dmamap_t *)); + void (*_dmamap_destroy) __P((bus_dma_tag_t, bus_dmamap_t)); + int (*_dmamap_load) __P((bus_dma_tag_t, bus_dmamap_t, void *, + bus_size_t, struct proc *, int)); + int (*_dmamap_load_mbuf) __P((bus_dma_tag_t, bus_dmamap_t, + struct mbuf *, int)); + int (*_dmamap_load_uio) __P((bus_dma_tag_t, bus_dmamap_t, + struct uio *, int)); + int (*_dmamap_load_raw) __P((bus_dma_tag_t, bus_dmamap_t, + bus_dma_segment_t *, int, bus_size_t, int)); + void (*_dmamap_unload) __P((bus_dma_tag_t, bus_dmamap_t)); + void (*_dmamap_sync) __P((bus_dma_tag_t, bus_dmamap_t, + bus_addr_t, bus_size_t, int)); + + /* + * DMA memory utility functions. + */ + int (*_dmamem_alloc) __P((bus_dma_tag_t, bus_size_t, bus_size_t, + bus_size_t, bus_dma_segment_t *, int, int *, int)); + void (*_dmamem_free) __P((bus_dma_tag_t, + bus_dma_segment_t *, int)); + int (*_dmamem_map) __P((bus_dma_tag_t, bus_dma_segment_t *, + int, size_t, caddr_t *, int)); + void (*_dmamem_unmap) __P((bus_dma_tag_t, caddr_t, size_t)); + paddr_t (*_dmamem_mmap) __P((bus_dma_tag_t, bus_dma_segment_t *, + int, off_t, int, int)); +}; + +#define bus_dmamap_create(t, s, n, m, b, f, p) \ + (*(t)->_dmamap_create)((t), (s), (n), (m), (b), (f), (p)) +#define bus_dmamap_destroy(t, p) \ + (*(t)->_dmamap_destroy)((t), (p)) +#define bus_dmamap_load(t, m, b, s, p, f) \ + (*(t)->_dmamap_load)((t), (m), (b), (s), (p), (f)) +#define bus_dmamap_load_mbuf(t, m, b, f) \ + (*(t)->_dmamap_load_mbuf)((t), (m), (b), (f)) +#define bus_dmamap_load_uio(t, m, u, f) \ + (*(t)->_dmamap_load_uio)((t), (m), (u), (f)) +#define bus_dmamap_load_raw(t, m, sg, n, s, f) \ + (*(t)->_dmamap_load_raw)((t), (m), (sg), (n), (s), (f)) +#define bus_dmamap_unload(t, p) \ + (*(t)->_dmamap_unload)((t), (p)) +#define bus_dmamap_sync(t, p, o, l, ops) \ + (void)((t)->_dmamap_sync ? \ + (*(t)->_dmamap_sync)((t), (p), (o), (l), (ops)) : (void)0) + +#define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \ + (*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f)) +#define bus_dmamem_free(t, sg, n) \ + (*(t)->_dmamem_free)((t), (sg), (n)) +#define bus_dmamem_map(t, sg, n, s, k, f) \ + (*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f)) +#define bus_dmamem_unmap(t, k, s) \ + (*(t)->_dmamem_unmap)((t), (k), (s)) +#define bus_dmamem_mmap(t, sg, n, o, p, f) \ + (*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f)) + +/* + * bus_dmamap_t + * + * Describes a DMA mapping. + */ +struct arm32_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_origbuf; /* pointer to original buffer */ + int _dm_buftype; /* type of buffer */ + struct proc *_dm_proc; /* proc that owns the mapping */ + + void *_dm_cookie; /* cookie for bus-specific functions */ + + /* + * 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 */ +}; + +#ifdef _ARM32_BUS_DMA_PRIVATE + +/* _dm_buftype */ +#define ARM32_BUFTYPE_INVALID 0 +#define ARM32_BUFTYPE_LINEAR 1 +#define ARM32_BUFTYPE_MBUF 2 +#define ARM32_BUFTYPE_UIO 3 +#define ARM32_BUFTYPE_RAW 4 + +int arm32_dma_range_intersect(struct arm32_dma_range *, int, + paddr_t pa, psize_t size, paddr_t *pap, psize_t *sizep); + +int _bus_dmamap_create __P((bus_dma_tag_t, bus_size_t, int, bus_size_t, + bus_size_t, int, bus_dmamap_t *)); +void _bus_dmamap_destroy __P((bus_dma_tag_t, bus_dmamap_t)); +int _bus_dmamap_load __P((bus_dma_tag_t, bus_dmamap_t, void *, + bus_size_t, struct proc *, int)); +int _bus_dmamap_load_mbuf __P((bus_dma_tag_t, bus_dmamap_t, + struct mbuf *, int)); +int _bus_dmamap_load_uio __P((bus_dma_tag_t, bus_dmamap_t, + struct uio *, int)); +int _bus_dmamap_load_raw __P((bus_dma_tag_t, bus_dmamap_t, + bus_dma_segment_t *, int, bus_size_t, int)); +void _bus_dmamap_unload __P((bus_dma_tag_t, bus_dmamap_t)); +void _bus_dmamap_sync __P((bus_dma_tag_t, bus_dmamap_t, bus_addr_t, + bus_size_t, int)); + +int _bus_dmamem_alloc __P((bus_dma_tag_t tag, bus_size_t size, + bus_size_t alignment, bus_size_t boundary, + bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags)); +void _bus_dmamem_free __P((bus_dma_tag_t tag, bus_dma_segment_t *segs, + int nsegs)); +int _bus_dmamem_map __P((bus_dma_tag_t tag, bus_dma_segment_t *segs, + int nsegs, size_t size, caddr_t *kvap, int flags)); +void _bus_dmamem_unmap __P((bus_dma_tag_t tag, caddr_t kva, + size_t size)); +paddr_t _bus_dmamem_mmap __P((bus_dma_tag_t tag, bus_dma_segment_t *segs, + int nsegs, off_t off, int prot, int flags)); + +int _bus_dmamem_alloc_range __P((bus_dma_tag_t tag, bus_size_t size, + bus_size_t alignment, bus_size_t boundary, + bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags, + vaddr_t low, vaddr_t high)); +#endif /* _ARM32_BUS_DMA_PRIVATE */ +/* These are OpenBSD extensions to the general NetBSD bus interface. */ +#if 0 +void +bus_space_read_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, u_int8_t *dst, bus_size_t size); +void +bus_space_read_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, u_int8_t *dst, bus_size_t size); +#define bus_space_read_raw_multi_8 \ + !!! bus_space_read_raw_multi_8 not implemented !!! + +void +bus_space_write_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, const u_int8_t *src, bus_size_t size); +void +bus_space_write_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, const u_int8_t *src, bus_size_t size); +#define bus_space_write_raw_multi_8 \ + !!! bus_space_write_raw_multi_8 not implemented !!! + +#else +/* BLECH XXXDSR */ +static inline void +bus_space_read_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, u_int8_t *dst, bus_size_t size); +static inline void +bus_space_read_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, u_int8_t *dst, bus_size_t size) +{ + u_int16_t *datap = (u_int16_t *)dst; + while (size > 0) { + *datap =bus_space_read_2(bst, bsh, ba); + datap++; + size -= 2; + } +} +static inline void +bus_space_read_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, u_int8_t *dst, bus_size_t size); +static inline void +bus_space_read_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, u_int8_t *dst, bus_size_t size) +{ + u_int32_t *datap = (u_int32_t *)dst; + while (size > 0) { + *datap =bus_space_read_4(bst, bsh, ba); + datap++; + size -= 4; + } +} + +static inline void +bus_space_write_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, const u_int8_t *src, bus_size_t size); +static inline void +bus_space_write_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, const u_int8_t *src, bus_size_t size) +{ + u_int16_t *datap = (u_int16_t *)src; + while (size > 0) { + bus_space_write_2(bst, bsh, ba, *datap); + datap++; + size -= 2; + } +} +static inline void +bus_space_write_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, const u_int8_t *src, bus_size_t size); +static inline void +bus_space_write_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh, + bus_addr_t ba, const u_int8_t *src, bus_size_t size) +{ + u_int32_t *datap = (u_int32_t *)src; + while (size > 0) { + bus_space_write_4(bst, bsh, ba, *datap); + datap++; + size -= 4; + } +} +#define bus_space_write_raw_multi_8 \ + !!! bus_space_write_raw_multi_8 not implemented !!! + +#endif + +#endif /* _ARM32_BUS_H_ */ |