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bus_funcs.h revision 1.10
      1 /*	$NetBSD: bus_funcs.h,v 1.10 2020/09/05 16:04:31 jakllsch Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  * NASA Ames Research Center.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 /*
     34  * Copyright (c) 1996 Charles M. Hannum.  All rights reserved.
     35  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
     36  *
     37  * Redistribution and use in source and binary forms, with or without
     38  * modification, are permitted provided that the following conditions
     39  * are met:
     40  * 1. Redistributions of source code must retain the above copyright
     41  *    notice, this list of conditions and the following disclaimer.
     42  * 2. Redistributions in binary form must reproduce the above copyright
     43  *    notice, this list of conditions and the following disclaimer in the
     44  *    documentation and/or other materials provided with the distribution.
     45  * 3. All advertising materials mentioning features or use of this software
     46  *    must display the following acknowledgement:
     47  *      This product includes software developed by Christopher G. Demetriou
     48  *	for the NetBSD Project.
     49  * 4. The name of the author may not be used to endorse or promote products
     50  *    derived from this software without specific prior written permission
     51  *
     52  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     53  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     54  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     55  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     56  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     57  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     58  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     59  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     60  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     61  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     62  */
     63 
     64 #ifndef _ARM_BUS_FUNCS_H_
     65 #define _ARM_BUS_FUNCS_H_
     66 
     67 #ifdef _KERNEL_OPT
     68 #include "opt_cputypes.h"
     69 #endif
     70 
     71 /*
     72  * Utility macros; INTERNAL USE ONLY.
     73  */
     74 #define	__bs_c(a,b)		__CONCAT(a,b)
     75 #define	__bs_opname(op,size)	__bs_c(__bs_c(__bs_c(bs_,op),_),size)
     76 
     77 #define	__bs_rs(sz, t, h, o)						\
     78 	(*(t)->__bs_opname(r,sz))((t)->bs_cookie, h, o)
     79 #define	__bs_ws(sz, t, h, o, v)						\
     80 	(*(t)->__bs_opname(w,sz))((t)->bs_cookie, h, o, v)
     81 #define	__bs_nonsingle(type, sz, t, h, o, a, c)				\
     82 	(*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c)
     83 #define	__bs_set(type, sz, t, h, o, v, c)				\
     84 	(*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v, c)
     85 #define	__bs_copy(sz, t, h1, o1, h2, o2, cnt)				\
     86 	(*(t)->__bs_opname(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt)
     87 
     88 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
     89 #define	__bs_opname_s(op,size)	__bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s)
     90 #define	__bs_rs_s(sz, t, h, o)						\
     91 	(*(t)->__bs_opname_s(r,sz))((t)->bs_cookie, h, o)
     92 #define	__bs_ws_s(sz, t, h, o, v)					\
     93 	(*(t)->__bs_opname_s(w,sz))((t)->bs_cookie, h, o, v)
     94 #define	__bs_nonsingle_s(type, sz, t, h, o, a, c)			\
     95 	(*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, a, c)
     96 #define	__bs_set_s(type, sz, t, h, o, v, c)				\
     97 	(*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, v, c)
     98 #define	__bs_copy_s(sz, t, h1, o1, h2, o2, cnt)				\
     99 	(*(t)->__bs_opname_s(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt)
    100 #endif
    101 
    102 #ifdef __BUS_SPACE_HAS_PROBING_METHODS
    103 #define	__bs_pe(sz, t, h, o, v)						\
    104 	(*(t)->__bs_opname(pe,sz))((t)->bs_cookie, h, o, v)
    105 #define	__bs_po(sz, t, h, o, v)						\
    106 	(*(t)->__bs_opname(po,sz))((t)->bs_cookie, h, o, v)
    107 #endif
    108 
    109 /*
    110  * Mapping and unmapping operations.
    111  */
    112 #define	bus_space_map(t, a, s, c, hp)					\
    113 	(*(t)->bs_map)((t)->bs_cookie, (a), (s), (c), (hp))
    114 #define	bus_space_unmap(t, h, s)					\
    115 	(*(t)->bs_unmap)((t)->bs_cookie, (h), (s))
    116 #define	bus_space_subregion(t, h, o, s, hp)				\
    117 	(*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))
    118 
    119 
    120 /*
    121  * Allocation and deallocation operations.
    122  */
    123 #define	bus_space_alloc(t, rs, re, s, a, b, c, ap, hp)			\
    124 	(*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b),	\
    125 	    (c), (ap), (hp))
    126 #define	bus_space_free(t, h, s)						\
    127 	(*(t)->bs_free)((t)->bs_cookie, (h), (s))
    128 
    129 /*
    130  * Get kernel virtual address for ranges mapped BUS_SPACE_MAP_LINEAR.
    131  */
    132 #define	bus_space_vaddr(t, h)						\
    133 	(*(t)->bs_vaddr)((t)->bs_cookie, (h))
    134 
    135 /*
    136  * MMap bus space for a user application.
    137  */
    138 #define bus_space_mmap(t, a, o, p, f)					\
    139 	(*(t)->bs_mmap)((t)->bs_cookie, (a), (o), (p), (f))
    140 
    141 /*
    142  * Bus barrier operations.
    143  */
    144 #define	bus_space_barrier(t, h, o, l, f)				\
    145 	(*(t)->bs_barrier)((t)->bs_cookie, (h), (o), (l), (f))
    146 
    147 /*
    148  * Bus read (single) operations.
    149  */
    150 #define	bus_space_read_1(t, h, o)	__bs_rs(1,(t),(h),(o))
    151 #define	bus_space_read_2(t, h, o)	__bs_rs(2,(t),(h),(o))
    152 #define	bus_space_read_4(t, h, o)	__bs_rs(4,(t),(h),(o))
    153 #define	bus_space_read_8(t, h, o)	__bs_rs(8,(t),(h),(o))
    154 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
    155 #define	bus_space_read_stream_1(t, h, o)	__bs_rs_s(1,(t),(h),(o))
    156 #define	bus_space_read_stream_2(t, h, o)	__bs_rs_s(2,(t),(h),(o))
    157 #define	bus_space_read_stream_4(t, h, o)	__bs_rs_s(4,(t),(h),(o))
    158 #define	bus_space_read_stream_8(t, h, o)	__bs_rs_s(8,(t),(h),(o))
    159 #endif
    160 
    161 
    162 /*
    163  * Bus read multiple operations.
    164  */
    165 #define	bus_space_read_multi_1(t, h, o, a, c)				\
    166 	__bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
    167 #define	bus_space_read_multi_2(t, h, o, a, c)				\
    168 	__bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
    169 #define	bus_space_read_multi_4(t, h, o, a, c)				\
    170 	__bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
    171 #define	bus_space_read_multi_8(t, h, o, a, c)				\
    172 	__bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
    173 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
    174 #define	bus_space_read_multi_stream_1(t, h, o, a, c)			\
    175 	__bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c))
    176 #define	bus_space_read_multi_stream_2(t, h, o, a, c)			\
    177 	__bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c))
    178 #define	bus_space_read_multi_stream_4(t, h, o, a, c)			\
    179 	__bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c))
    180 #define	bus_space_read_multi_stream_8(t, h, o, a, c)			\
    181 	__bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c))
    182 #endif
    183 
    184 
    185 /*
    186  * Bus read region operations.
    187  */
    188 #define	bus_space_read_region_1(t, h, o, a, c)				\
    189 	__bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
    190 #define	bus_space_read_region_2(t, h, o, a, c)				\
    191 	__bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
    192 #define	bus_space_read_region_4(t, h, o, a, c)				\
    193 	__bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
    194 #define	bus_space_read_region_8(t, h, o, a, c)				\
    195 	__bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
    196 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
    197 #define	bus_space_read_region_stream_1(t, h, o, a, c)			\
    198 	__bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c))
    199 #define	bus_space_read_region_stream_2(t, h, o, a, c)			\
    200 	__bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c))
    201 #define	bus_space_read_region_stream_4(t, h, o, a, c)			\
    202 	__bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c))
    203 #define	bus_space_read_region_stream_8(t, h, o, a, c)			\
    204 	__bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c))
    205 #endif
    206 
    207 
    208 /*
    209  * Bus write (single) operations.
    210  */
    211 #define	bus_space_write_1(t, h, o, v)	__bs_ws(1,(t),(h),(o),(v))
    212 #define	bus_space_write_2(t, h, o, v)	__bs_ws(2,(t),(h),(o),(v))
    213 #define	bus_space_write_4(t, h, o, v)	__bs_ws(4,(t),(h),(o),(v))
    214 #define	bus_space_write_8(t, h, o, v)	__bs_ws(8,(t),(h),(o),(v))
    215 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
    216 #define	bus_space_write_stream_1(t, h, o, v)	__bs_ws_s(1,(t),(h),(o),(v))
    217 #define	bus_space_write_stream_2(t, h, o, v)	__bs_ws_s(2,(t),(h),(o),(v))
    218 #define	bus_space_write_stream_4(t, h, o, v)	__bs_ws_s(4,(t),(h),(o),(v))
    219 #define	bus_space_write_stream_8(t, h, o, v)	__bs_ws_s(8,(t),(h),(o),(v))
    220 #endif
    221 
    222 
    223 /*
    224  * Bus write multiple operations.
    225  */
    226 #define	bus_space_write_multi_1(t, h, o, a, c)				\
    227 	__bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
    228 #define	bus_space_write_multi_2(t, h, o, a, c)				\
    229 	__bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
    230 #define	bus_space_write_multi_4(t, h, o, a, c)				\
    231 	__bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
    232 #define	bus_space_write_multi_8(t, h, o, a, c)				\
    233 	__bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
    234 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
    235 #define	bus_space_write_multi_stream_1(t, h, o, a, c)			\
    236 	__bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c))
    237 #define	bus_space_write_multi_stream_2(t, h, o, a, c)			\
    238 	__bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c))
    239 #define	bus_space_write_multi_stream_4(t, h, o, a, c)			\
    240 	__bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c))
    241 #define	bus_space_write_multi_stream_8(t, h, o, a, c)			\
    242 	__bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c))
    243 #endif
    244 
    245 
    246 /*
    247  * Bus write region operations.
    248  */
    249 #define	bus_space_write_region_1(t, h, o, a, c)				\
    250 	__bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
    251 #define	bus_space_write_region_2(t, h, o, a, c)				\
    252 	__bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
    253 #define	bus_space_write_region_4(t, h, o, a, c)				\
    254 	__bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
    255 #define	bus_space_write_region_8(t, h, o, a, c)				\
    256 	__bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
    257 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
    258 #define	bus_space_write_region_stream_1(t, h, o, a, c)			\
    259 	__bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c))
    260 #define	bus_space_write_region_stream_2(t, h, o, a, c)			\
    261 	__bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c))
    262 #define	bus_space_write_region_stream_4(t, h, o, a, c)			\
    263 	__bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c))
    264 #define	bus_space_write_region_stream_8(t, h, o, a, c)			\
    265 	__bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c))
    266 #endif
    267 
    268 
    269 /*
    270  * Set multiple operations.
    271  */
    272 #define	bus_space_set_multi_1(t, h, o, v, c)				\
    273 	__bs_set(sm,1,(t),(h),(o),(v),(c))
    274 #define	bus_space_set_multi_2(t, h, o, v, c)				\
    275 	__bs_set(sm,2,(t),(h),(o),(v),(c))
    276 #define	bus_space_set_multi_4(t, h, o, v, c)				\
    277 	__bs_set(sm,4,(t),(h),(o),(v),(c))
    278 #define	bus_space_set_multi_8(t, h, o, v, c)				\
    279 	__bs_set(sm,8,(t),(h),(o),(v),(c))
    280 
    281 /*
    282  * Set region operations.
    283  */
    284 #define	bus_space_set_region_1(t, h, o, v, c)				\
    285 	__bs_set(sr,1,(t),(h),(o),(v),(c))
    286 #define	bus_space_set_region_2(t, h, o, v, c)				\
    287 	__bs_set(sr,2,(t),(h),(o),(v),(c))
    288 #define	bus_space_set_region_4(t, h, o, v, c)				\
    289 	__bs_set(sr,4,(t),(h),(o),(v),(c))
    290 #define	bus_space_set_region_8(t, h, o, v, c)				\
    291 	__bs_set(sr,8,(t),(h),(o),(v),(c))
    292 
    293 /*
    294  * Copy operations.
    295  */
    296 #define	bus_space_copy_region_1(t, h1, o1, h2, o2, c)				\
    297 	__bs_copy(1, t, h1, o1, h2, o2, c)
    298 #define	bus_space_copy_region_2(t, h1, o1, h2, o2, c)				\
    299 	__bs_copy(2, t, h1, o1, h2, o2, c)
    300 #define	bus_space_copy_region_4(t, h1, o1, h2, o2, c)				\
    301 	__bs_copy(4, t, h1, o1, h2, o2, c)
    302 #define	bus_space_copy_region_8(t, h1, o1, h2, o2, c)				\
    303 	__bs_copy(8, t, h1, o1, h2, o2, c)
    304 
    305 /*
    306  * Probing operations.
    307  */
    308 #ifdef __BUS_SPACE_HAS_PROBING_METHODS
    309 #define	bus_space_peek_1(t, h, o, p)	__bs_pe(1,(t),(h),(o),(p))
    310 #define	bus_space_peek_2(t, h, o, p)	__bs_pe(2,(t),(h),(o),(p))
    311 #define	bus_space_peek_4(t, h, o, p)	__bs_pe(4,(t),(h),(o),(p))
    312 #define	bus_space_peek_8(t, h, o, p)	__bs_pe(8,(t),(h),(o),(p))
    313 
    314 #define	bus_space_poke_1(t, h, o, v)	__bs_po(1,(t),(h),(o),(v))
    315 #define	bus_space_poke_2(t, h, o, v)	__bs_po(2,(t),(h),(o),(v))
    316 #define	bus_space_poke_4(t, h, o, v)	__bs_po(4,(t),(h),(o),(v))
    317 #define	bus_space_poke_8(t, h, o, v)	__bs_po(8,(t),(h),(o),(v))
    318 #endif
    319 
    320 /*
    321  * Macros to provide prototypes for all the functions used in the
    322  * bus_space structure
    323  */
    324 
    325 #define bs_map_proto(f)							\
    326 int	__bs_c(f,_bs_map)(void *t, bus_addr_t addr,		\
    327 	    bus_size_t size, int cacheable, bus_space_handle_t *bshp);
    328 
    329 #define bs_unmap_proto(f)						\
    330 void	__bs_c(f,_bs_unmap)(void *t, bus_space_handle_t bsh,	\
    331 	    bus_size_t size);
    332 
    333 #define bs_subregion_proto(f)						\
    334 int	__bs_c(f,_bs_subregion)(void *t, bus_space_handle_t bsh,	\
    335 	    bus_size_t offset, bus_size_t size, 			\
    336 	    bus_space_handle_t *nbshp);
    337 
    338 #define bs_alloc_proto(f)						\
    339 int	__bs_c(f,_bs_alloc)(void *t, bus_addr_t rstart,		\
    340 	    bus_addr_t rend, bus_size_t size, bus_size_t align,		\
    341 	    bus_size_t boundary, int cacheable, bus_addr_t *addrp,	\
    342 	    bus_space_handle_t *bshp);
    343 
    344 #define bs_free_proto(f)						\
    345 void	__bs_c(f,_bs_free)(void *t, bus_space_handle_t bsh,	\
    346 	    bus_size_t size);
    347 
    348 #define bs_vaddr_proto(f)						\
    349 void *	__bs_c(f,_bs_vaddr)(void *t, bus_space_handle_t bsh);
    350 
    351 #define bs_mmap_proto(f)						\
    352 paddr_t	__bs_c(f,_bs_mmap)(void *, bus_addr_t, off_t, int, int);
    353 
    354 #define bs_barrier_proto(f)						\
    355 void	__bs_c(f,_bs_barrier)(void *t, bus_space_handle_t bsh,	\
    356 	    bus_size_t offset, bus_size_t len, int flags);
    357 
    358 #define	bs_r_1_proto(f)							\
    359 uint8_t	__bs_c(f,_bs_r_1)(void *t, bus_space_handle_t bsh,	\
    360 		    bus_size_t offset);
    361 
    362 #define	bs_r_2_proto(f)							\
    363 uint16_t	__bs_c(f,_bs_r_2)(void *t, bus_space_handle_t bsh,	\
    364 		    bus_size_t offset);					\
    365 uint16_t	__bs_c(f,_bs_r_2_swap)(void *t, bus_space_handle_t bsh,	\
    366 		    bus_size_t offset);
    367 
    368 #define	bs_r_4_proto(f)							\
    369 uint32_t	__bs_c(f,_bs_r_4)(void *t, bus_space_handle_t bsh,	\
    370 		    bus_size_t offset);					\
    371 uint32_t	__bs_c(f,_bs_r_4_swap)(void *t, bus_space_handle_t bsh,	\
    372 		    bus_size_t offset);
    373 
    374 #define	bs_r_8_proto(f)							\
    375 uint64_t	__bs_c(f,_bs_r_8)(void *t, bus_space_handle_t bsh,	\
    376 		    bus_size_t offset);					\
    377 uint64_t	__bs_c(f,_bs_r_8_swap)(void *t, bus_space_handle_t bsh,	\
    378 		    bus_size_t offset);
    379 
    380 #define	bs_w_1_proto(f)							\
    381 void	__bs_c(f,_bs_w_1)(void *t, bus_space_handle_t bsh,		\
    382 	    bus_size_t offset, uint8_t value);
    383 
    384 #define	bs_w_2_proto(f)							\
    385 void	__bs_c(f,_bs_w_2)(void *t, bus_space_handle_t bsh,		\
    386 	    bus_size_t offset, uint16_t value);				\
    387 void	__bs_c(f,_bs_w_2_swap)(void *t, bus_space_handle_t bsh,		\
    388 	    bus_size_t offset, uint16_t value);
    389 
    390 #define	bs_w_4_proto(f)							\
    391 void	__bs_c(f,_bs_w_4)(void *t, bus_space_handle_t bsh,		\
    392 	    bus_size_t offset, uint32_t value);				\
    393 void	__bs_c(f,_bs_w_4_swap)(void *t, bus_space_handle_t bsh,		\
    394 	    bus_size_t offset, uint32_t value);
    395 
    396 #define	bs_w_8_proto(f)							\
    397 void	__bs_c(f,_bs_w_8)(void *t, bus_space_handle_t bsh,		\
    398 	    bus_size_t offset, uint64_t value);				\
    399 void	__bs_c(f,_bs_w_8_swap)(void *t, bus_space_handle_t bsh,		\
    400 	    bus_size_t offset, uint64_t value);
    401 
    402 #define	bs_rm_1_proto(f)						\
    403 void	__bs_c(f,_bs_rm_1)(void *t, bus_space_handle_t bsh,		\
    404 	    bus_size_t offset, uint8_t *addr, bus_size_t count);
    405 
    406 #define	bs_rm_2_proto(f)						\
    407 void	__bs_c(f,_bs_rm_2)(void *t, bus_space_handle_t bsh,		\
    408 	    bus_size_t offset, uint16_t *addr, bus_size_t count);	\
    409 void	__bs_c(f,_bs_rm_2_swap)(void *t, bus_space_handle_t bsh,	\
    410 	    bus_size_t offset, uint16_t *addr, bus_size_t count);
    411 
    412 #define	bs_rm_4_proto(f)						\
    413 void	__bs_c(f,_bs_rm_4)(void *t, bus_space_handle_t bsh,		\
    414 	    bus_size_t offset, uint32_t *addr, bus_size_t count);	\
    415 void	__bs_c(f,_bs_rm_4_swap)(void *t, bus_space_handle_t bsh,	\
    416 	    bus_size_t offset, uint32_t *addr, bus_size_t count);
    417 
    418 #define	bs_rm_8_proto(f)						\
    419 void	__bs_c(f,_bs_rm_8)(void *t, bus_space_handle_t bsh,		\
    420 	    bus_size_t offset, uint64_t *addr, bus_size_t count);	\
    421 void	__bs_c(f,_bs_rm_8_swap)(void *t, bus_space_handle_t bsh,	\
    422 	    bus_size_t offset, uint64_t *addr, bus_size_t count);
    423 
    424 #define	bs_wm_1_proto(f)						\
    425 void	__bs_c(f,_bs_wm_1)(void *t, bus_space_handle_t bsh,		\
    426 	    bus_size_t offset, const uint8_t *addr, bus_size_t count);	\
    427 
    428 #define	bs_wm_2_proto(f)						\
    429 void	__bs_c(f,_bs_wm_2)(void *t, bus_space_handle_t bsh,		\
    430 	    bus_size_t offset, const uint16_t *addr, bus_size_t count);	\
    431 void	__bs_c(f,_bs_wm_2_swap)(void *t, bus_space_handle_t bsh,	\
    432 	    bus_size_t offset, const uint16_t *addr, bus_size_t count);
    433 
    434 #define	bs_wm_4_proto(f)						\
    435 void	__bs_c(f,_bs_wm_4)(void *t, bus_space_handle_t bsh,		\
    436 	    bus_size_t offset, const uint32_t *addr, bus_size_t count);	\
    437 void	__bs_c(f,_bs_wm_4_swap)(void *t, bus_space_handle_t bsh,	\
    438 	    bus_size_t offset, const uint32_t *addr, bus_size_t count);
    439 
    440 #define	bs_wm_8_proto(f)						\
    441 void	__bs_c(f,_bs_wm_8)(void *t, bus_space_handle_t bsh,		\
    442 	    bus_size_t offset, const uint64_t *addr, bus_size_t count);	\
    443 void	__bs_c(f,_bs_wm_8_swap)(void *t, bus_space_handle_t bsh,	\
    444 	    bus_size_t offset, const uint64_t *addr, bus_size_t count);
    445 
    446 #define	bs_rr_1_proto(f)						\
    447 void	__bs_c(f, _bs_rr_1)(void *t, bus_space_handle_t bsh,		\
    448 	    bus_size_t offset, uint8_t *addr, bus_size_t count);
    449 
    450 #define	bs_rr_2_proto(f)						\
    451 void	__bs_c(f, _bs_rr_2)(void *t, bus_space_handle_t bsh,		\
    452 	    bus_size_t offset, uint16_t *addr, bus_size_t count);	\
    453 void	__bs_c(f, _bs_rr_2_swap)(void *t, bus_space_handle_t bsh,	\
    454 	    bus_size_t offset, uint16_t *addr, bus_size_t count);
    455 
    456 #define	bs_rr_4_proto(f)						\
    457 void	__bs_c(f, _bs_rr_4)(void *t, bus_space_handle_t bsh,		\
    458 	    bus_size_t offset, uint32_t *addr, bus_size_t count);	\
    459 void	__bs_c(f, _bs_rr_4_swap)(void *t, bus_space_handle_t bsh,	\
    460 	    bus_size_t offset, uint32_t *addr, bus_size_t count);
    461 
    462 #define	bs_rr_8_proto(f)						\
    463 void	__bs_c(f, _bs_rr_8)(void *t, bus_space_handle_t bsh,		\
    464 	    bus_size_t offset, uint64_t *addr, bus_size_t count);	\
    465 void	__bs_c(f, _bs_rr_8_swap)(void *t, bus_space_handle_t bsh,	\
    466 	    bus_size_t offset, uint64_t *addr, bus_size_t count);
    467 
    468 #define	bs_wr_1_proto(f)						\
    469 void	__bs_c(f, _bs_wr_1)(void *t, bus_space_handle_t bsh,		\
    470 	    bus_size_t offset, const uint8_t *addr, bus_size_t count);
    471 
    472 #define	bs_wr_2_proto(f)						\
    473 void	__bs_c(f, _bs_wr_2)(void *t, bus_space_handle_t bsh,		\
    474 	    bus_size_t offset, const uint16_t *addr, bus_size_t count);	\
    475 void	__bs_c(f, _bs_wr_2_swap)(void *t, bus_space_handle_t bsh,	\
    476 	    bus_size_t offset, const uint16_t *addr, bus_size_t count);
    477 
    478 #define	bs_wr_4_proto(f)						\
    479 void	__bs_c(f, _bs_wr_4)(void *t, bus_space_handle_t bsh,		\
    480 	    bus_size_t offset, const uint32_t *addr, bus_size_t count);	\
    481 void	__bs_c(f, _bs_wr_4_swap)(void *t, bus_space_handle_t bsh,	\
    482 	    bus_size_t offset, const uint32_t *addr, bus_size_t count);
    483 
    484 #define	bs_wr_8_proto(f)						\
    485 void	__bs_c(f, _bs_wr_8)(void *t, bus_space_handle_t bsh,		\
    486 	    bus_size_t offset, const uint64_t *addr, bus_size_t count);	\
    487 void	__bs_c(f, _bs_wr_8_swap)(void *t, bus_space_handle_t bsh,	\
    488 	    bus_size_t offset, const uint64_t *addr, bus_size_t count);
    489 
    490 #define	bs_sm_1_proto(f)						\
    491 void	__bs_c(f,_bs_sm_1)(void *t, bus_space_handle_t bsh,		\
    492 	    bus_size_t offset, uint8_t value, bus_size_t count);
    493 
    494 #define	bs_sm_2_proto(f)						\
    495 void	__bs_c(f,_bs_sm_2)(void *t, bus_space_handle_t bsh,		\
    496 	    bus_size_t offset, uint16_t value, bus_size_t count);	\
    497 void	__bs_c(f,_bs_sm_2_swap)(void *t, bus_space_handle_t bsh,		\
    498 	    bus_size_t offset, uint16_t value, bus_size_t count);
    499 
    500 #define	bs_sm_4_proto(f)						\
    501 void	__bs_c(f,_bs_sm_4)(void *t, bus_space_handle_t bsh,		\
    502 	    bus_size_t offset, uint32_t value, bus_size_t count);	\
    503 void	__bs_c(f,_bs_sm_4_swap)(void *t, bus_space_handle_t bsh,	\
    504 	    bus_size_t offset, uint32_t value, bus_size_t count);
    505 
    506 #define	bs_sm_8_proto(f)						\
    507 void	__bs_c(f,_bs_sm_8)(void *t, bus_space_handle_t bsh,		\
    508 	    bus_size_t offset, uint64_t value, bus_size_t count);	\
    509 void	__bs_c(f,_bs_sm_8_swap)(void *t, bus_space_handle_t bsh,	\
    510 	    bus_size_t offset, uint64_t value, bus_size_t count);
    511 
    512 #define	bs_sr_1_proto(f)						\
    513 void	__bs_c(f,_bs_sr_1)(void *t, bus_space_handle_t bsh,		\
    514 	    bus_size_t offset, uint8_t value, bus_size_t count);
    515 
    516 #define	bs_sr_2_proto(f)						\
    517 void	__bs_c(f,_bs_sr_2)(void *t, bus_space_handle_t bsh,		\
    518 	    bus_size_t offset, uint16_t value, bus_size_t count);	\
    519 void	__bs_c(f,_bs_sr_2_swap)(void *t, bus_space_handle_t bsh,	\
    520 	    bus_size_t offset, uint16_t value, bus_size_t count);
    521 
    522 #define	bs_sr_4_proto(f)						\
    523 void	__bs_c(f,_bs_sr_4)(void *t, bus_space_handle_t bsh,		\
    524 	    bus_size_t offset, uint32_t value, bus_size_t count);	\
    525 void	__bs_c(f,_bs_sr_4_swap)(void *t, bus_space_handle_t bsh,	\
    526 	    bus_size_t offset, uint32_t value, bus_size_t count);
    527 
    528 #define	bs_sr_8_proto(f)						\
    529 void	__bs_c(f,_bs_sr_8)(void *t, bus_space_handle_t bsh,		\
    530 	    bus_size_t offset, uint64_t value, bus_size_t count);	\
    531 void	__bs_c(f,_bs_sr_8_swap)(void *t, bus_space_handle_t bsh,	\
    532 	    bus_size_t offset, uint64_t value, bus_size_t count);
    533 
    534 #define	bs_c_1_proto(f)							\
    535 void	__bs_c(f,_bs_c_1)(void *t, bus_space_handle_t bsh1,		\
    536 	    bus_size_t offset1, bus_space_handle_t bsh2,		\
    537 	    bus_size_t offset2, bus_size_t count);
    538 
    539 #define	bs_c_2_proto(f)							\
    540 void	__bs_c(f,_bs_c_2)(void *t, bus_space_handle_t bsh1,		\
    541 	    bus_size_t offset1, bus_space_handle_t bsh2,		\
    542 	    bus_size_t offset2, bus_size_t count);
    543 
    544 #define	bs_c_4_proto(f)							\
    545 void	__bs_c(f,_bs_c_4)(void *t, bus_space_handle_t bsh1,		\
    546 	    bus_size_t offset1, bus_space_handle_t bsh2,		\
    547 	    bus_size_t offset2, bus_size_t count);
    548 
    549 #define	bs_c_8_proto(f)							\
    550 void	__bs_c(f,_bs_c_8)(void *t, bus_space_handle_t bsh1,		\
    551 	    bus_size_t offset1, bus_space_handle_t bsh2,		\
    552 	    bus_size_t offset2, bus_size_t count);
    553 
    554 #define	bs_pe_1_proto(f)						\
    555 int	__bs_c(f,_bs_pe_1)(void *t, bus_space_handle_t bsh,		\
    556 	    bus_size_t offset, uint8_t *datap);
    557 
    558 #define	bs_pe_2_proto(f)						\
    559 int	__bs_c(f,_bs_pe_2)(void *t, bus_space_handle_t bsh,		\
    560 	    bus_size_t offset, uint16_t *datap);			\
    561 
    562 #define	bs_pe_4_proto(f)						\
    563 int	__bs_c(f,_bs_pe_4)(void *t, bus_space_handle_t bsh,		\
    564 	    bus_size_t offset, uint32_t *datap);			\
    565 
    566 #define	bs_pe_8_proto(f)						\
    567 int	__bs_c(f,_bs_pe_8)(void *t, bus_space_handle_t bsh,		\
    568 	    bus_size_t offset, uint64_t *datap);			\
    569 
    570 #define	bs_po_1_proto(f)						\
    571 int	__bs_c(f,_bs_po_1)(void *t, bus_space_handle_t bsh,		\
    572 	    bus_size_t offset, uint8_t value);
    573 
    574 #define	bs_po_2_proto(f)						\
    575 int	__bs_c(f,_bs_po_2)(void *t, bus_space_handle_t bsh,		\
    576 	    bus_size_t offset, uint16_t value);				\
    577 
    578 #define	bs_po_4_proto(f)						\
    579 int	__bs_c(f,_bs_po_4)(void *t, bus_space_handle_t bsh,		\
    580 	    bus_size_t offset, uint32_t value);				\
    581 
    582 #define	bs_po_8_proto(f)						\
    583 int	__bs_c(f,_bs_po_8)(void *t, bus_space_handle_t bsh,		\
    584 	    bus_size_t offset, uint64_t value);				\
    585 
    586 
    587 #define bs_protos(f)		\
    588 bs_map_proto(f);		\
    589 bs_unmap_proto(f);		\
    590 bs_subregion_proto(f);		\
    591 bs_alloc_proto(f);		\
    592 bs_free_proto(f);		\
    593 bs_vaddr_proto(f);		\
    594 bs_mmap_proto(f);		\
    595 bs_barrier_proto(f);		\
    596 bs_r_1_proto(f);		\
    597 bs_r_2_proto(f);		\
    598 bs_r_4_proto(f);		\
    599 bs_r_8_proto(f);		\
    600 bs_w_1_proto(f);		\
    601 bs_w_2_proto(f);		\
    602 bs_w_4_proto(f);		\
    603 bs_w_8_proto(f);		\
    604 bs_rm_1_proto(f);		\
    605 bs_rm_2_proto(f);		\
    606 bs_rm_4_proto(f);		\
    607 bs_rm_8_proto(f);		\
    608 bs_wm_1_proto(f);		\
    609 bs_wm_2_proto(f);		\
    610 bs_wm_4_proto(f);		\
    611 bs_wm_8_proto(f);		\
    612 bs_rr_1_proto(f);		\
    613 bs_rr_2_proto(f);		\
    614 bs_rr_4_proto(f);		\
    615 bs_rr_8_proto(f);		\
    616 bs_wr_1_proto(f);		\
    617 bs_wr_2_proto(f);		\
    618 bs_wr_4_proto(f);		\
    619 bs_wr_8_proto(f);		\
    620 bs_sm_1_proto(f);		\
    621 bs_sm_2_proto(f);		\
    622 bs_sm_4_proto(f);		\
    623 bs_sm_8_proto(f);		\
    624 bs_sr_1_proto(f);		\
    625 bs_sr_2_proto(f);		\
    626 bs_sr_4_proto(f);		\
    627 bs_sr_8_proto(f);		\
    628 bs_c_1_proto(f);		\
    629 bs_c_2_proto(f);		\
    630 bs_c_4_proto(f);		\
    631 bs_c_8_proto(f);		\
    632 bs_pe_1_proto(f);		\
    633 bs_pe_2_proto(f);		\
    634 bs_pe_4_proto(f);		\
    635 bs_pe_8_proto(f);		\
    636 bs_po_1_proto(f);		\
    637 bs_po_2_proto(f);		\
    638 bs_po_4_proto(f);		\
    639 bs_po_8_proto(f);
    640 
    641 /* Bus Space DMA macros */
    642 
    643 /* Forwards needed by prototypes below. */
    644 struct mbuf;
    645 struct uio;
    646 
    647 int bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t, bus_size_t,
    648     int, bus_dmamap_t *);
    649 void bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
    650 int bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t,
    651     struct proc *, int);
    652 int bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t, struct mbuf *, int);
    653 int bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t, struct uio *, int);
    654 int bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t, bus_dma_segment_t *,
    655     int, bus_size_t, int);
    656 void bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
    657 void bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t, bus_size_t, int);
    658 
    659 #define	bus_dmamem_alloc(t, s, a, b, sg, n, r, f)		\
    660 	(*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f))
    661 #define	bus_dmamem_free(t, sg, n)				\
    662 	(*(t)->_dmamem_free)((t), (sg), (n))
    663 #define	bus_dmamem_map(t, sg, n, s, k, f)			\
    664 	(*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f))
    665 #define	bus_dmamem_unmap(t, k, s)				\
    666 	(*(t)->_dmamem_unmap)((t), (k), (s))
    667 #define	bus_dmamem_mmap(t, sg, n, o, p, f)			\
    668 	(*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f))
    669 
    670 #define	bus_dmatag_subregion(t, mna, mxa, nt, f)		\
    671 	(*(t)->_dmatag_subregion)((t), (mna), (mxa), (nt), (f))
    672 #define	bus_dmatag_destroy(t)					\
    673 	(*(t)->_dmatag_destroy)(t)
    674 
    675 #ifdef _ARM32_BUS_DMA_PRIVATE
    676 
    677 extern paddr_t physical_start, physical_end;
    678 
    679 int	arm32_dma_range_intersect(struct arm32_dma_range *, int,
    680 	    paddr_t pa, psize_t size, paddr_t *pap, psize_t *sizep);
    681 
    682 int	_bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t,
    683 	    bus_size_t, int, bus_dmamap_t *);
    684 void	_bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
    685 int	_bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
    686 	    bus_size_t, struct proc *, int);
    687 int	_bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
    688 	    struct mbuf *, int);
    689 int	_bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
    690 	    struct uio *, int);
    691 int	_bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
    692 	    bus_dma_segment_t *, int, bus_size_t, int);
    693 void	_bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
    694 void	_bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
    695 	    bus_size_t, int);
    696 
    697 #if defined(_ARM32_NEED_BUS_DMA_BOUNCE) || defined(CPU_CORTEX)
    698 #define	_BUS_DMAMAP_SYNC_FUNCS \
    699 	._dmamap_sync_pre = _bus_dmamap_sync,	\
    700 	._dmamap_sync_post = _bus_dmamap_sync
    701 #else
    702 #define	_BUS_DMAMAP_SYNC_FUNCS \
    703 	._dmamap_sync_pre = _bus_dmamap_sync
    704 #endif
    705 
    706 #define	_BUS_DMAMAP_FUNCS \
    707 	._dmamap_create = _bus_dmamap_create,		\
    708 	._dmamap_destroy = _bus_dmamap_destroy,		\
    709 	._dmamap_load = _bus_dmamap_load,		\
    710 	._dmamap_load_mbuf = _bus_dmamap_load_mbuf,	\
    711 	._dmamap_load_raw = _bus_dmamap_load_raw,	\
    712 	._dmamap_load_uio = _bus_dmamap_load_uio,	\
    713 	._dmamap_unload = _bus_dmamap_unload,		\
    714 	_BUS_DMAMAP_SYNC_FUNCS
    715 
    716 int	_bus_dmamem_alloc(bus_dma_tag_t tag, bus_size_t size,
    717 	    bus_size_t alignment, bus_size_t boundary,
    718 	    bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags);
    719 void	_bus_dmamem_free(bus_dma_tag_t tag, bus_dma_segment_t *segs,
    720 	    int nsegs);
    721 int	_bus_dmamem_map(bus_dma_tag_t tag, bus_dma_segment_t *segs,
    722 	    int nsegs, size_t size, void **kvap, int flags);
    723 void	_bus_dmamem_unmap(bus_dma_tag_t tag, void *kva,
    724 	    size_t size);
    725 paddr_t	_bus_dmamem_mmap(bus_dma_tag_t tag, bus_dma_segment_t *segs,
    726 	    int nsegs, off_t off, int prot, int flags);
    727 
    728 #define	_BUS_DMAMEM_FUNCS \
    729 	._dmamem_alloc = _bus_dmamem_alloc,	\
    730 	._dmamem_free = _bus_dmamem_free,	\
    731 	._dmamem_map = _bus_dmamem_map,		\
    732 	._dmamem_unmap = _bus_dmamem_unmap,	\
    733 	._dmamem_mmap = _bus_dmamem_mmap
    734 
    735 int	_bus_dmamem_alloc_range(bus_dma_tag_t tag, bus_size_t size,
    736 	    bus_size_t alignment, bus_size_t boundary,
    737 	    bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags,
    738 	    vaddr_t low, vaddr_t high);
    739 
    740 int	_bus_dmatag_subregion(bus_dma_tag_t, bus_addr_t, bus_addr_t,
    741 	    bus_dma_tag_t *, int);
    742 void 	_bus_dmatag_destroy(bus_dma_tag_t);
    743 
    744 #define	_BUS_DMATAG_FUNCS \
    745 	._dmatag_subregion = _bus_dmatag_subregion,	\
    746 	._dmatag_destroy = _bus_dmatag_destroy
    747 
    748 #endif /* _ARM32_BUS_DMA_PRIVATE */
    749 
    750 #endif /* _ARM_BUS_FUNCS_H_ */
    751