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      1 /*	$NetBSD: bus_space_funcs.h,v 1.2 2020/07/26 08:08:41 simonb Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997, 1998, 2000, 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 Carnegie-Mellon University.
     35  * All rights reserved.
     36  *
     37  * Author: Chris G. Demetriou
     38  *
     39  * Permission to use, copy, modify and distribute this software and
     40  * its documentation is hereby granted, provided that both the copyright
     41  * notice and this permission notice appear in all copies of the
     42  * software, derivative works or modified versions, and any portions
     43  * thereof, and that both notices appear in supporting documentation.
     44  *
     45  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     46  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     47  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     48  *
     49  * Carnegie Mellon requests users of this software to return to
     50  *
     51  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     52  *  School of Computer Science
     53  *  Carnegie Mellon University
     54  *  Pittsburgh PA 15213-3890
     55  *
     56  * any improvements or extensions that they make and grant Carnegie the
     57  * rights to redistribute these changes.
     58  */
     59 
     60 #ifndef _MIPS_BUS_SPACE_FUNCS_H_
     61 #define	_MIPS_BUS_SPACE_FUNCS_H_
     62 
     63 #ifdef _KERNEL
     64 /*
     65  * Utility macros; INTERNAL USE ONLY.
     66  */
     67 #define	__bs_c(a,b)		__CONCAT(a,b)
     68 #define	__bs_opname(op,size)	__bs_c(__bs_c(__bs_c(bs_,op),_),size)
     69 
     70 #define	__bs_r(type, sz, tn, t, h, o)					\
     71 	(__BUS_SPACE_ADDRESS_SANITY((h) + (o), tn, "bus addr"),		\
     72 	 (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o))
     73 
     74 #define	__bs_w(type, sz, tn, t, h, o, v)				\
     75 do {									\
     76 	__BUS_SPACE_ADDRESS_SANITY((h) + (o), tn, "bus addr");		\
     77 	(*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v);		\
     78 } while (0)
     79 
     80 #define	__bs_nonsingle(type, sz, tn, t, h, o, a, c)			\
     81 do {									\
     82 	__BUS_SPACE_ADDRESS_SANITY((a), tn, "buffer");			\
     83 	__BUS_SPACE_ADDRESS_SANITY((h) + (o), tn, "bus addr");		\
     84 	(*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c);	\
     85 } while (0)
     86 
     87 #define	__bs_set(type, sz, tn, t, h, o, v, c)				\
     88 do {									\
     89 	__BUS_SPACE_ADDRESS_SANITY((h) + (o), tn, "bus addr");		\
     90 	(*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v, c);	\
     91 } while (0)
     92 
     93 #define	__bs_copy(sz, tn, t, h1, o1, h2, o2, cnt)			\
     94 do {									\
     95 	__BUS_SPACE_ADDRESS_SANITY((h1) + (o1), tn, "bus addr 1");	\
     96 	__BUS_SPACE_ADDRESS_SANITY((h2) + (o2), tn, "bus addr 2");	\
     97 	(*(t)->__bs_opname(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt); \
     98 } while (0)
     99 
    100 
    101 /*
    102  * Mapping and unmapping operations.
    103  */
    104 #define	bus_space_map(t, a, s, f, hp)					\
    105 	(*(t)->bs_map)((t)->bs_cookie, (a), (s), (f), (hp), 1)
    106 #define	mips_bus_space_map_noacct(t, a, s, f, hp)			\
    107 	(*(t)->bs_map)((t)->bs_cookie, (a), (s), (f), (hp), 0)
    108 #define	bus_space_unmap(t, h, s)					\
    109 	(*(t)->bs_unmap)((t)->bs_cookie, (h), (s), 1)
    110 #define	mips_bus_space_unmap_noacct(t, h, s)				\
    111 	(*(t)->bs_unmap)((t)->bs_cookie, (h), (s), 0)
    112 #define	bus_space_subregion(t, h, o, s, hp)				\
    113 	(*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))
    114 
    115 #define	mips_bus_space_translate(t, a, s, f, bst)			\
    116 	(*(t)->bs_translate)((t)->bs_cookie, (a), (s), (f), (bst))
    117 #define	mips_bus_space_get_window(t, w, bst)				\
    118 	(*(t)->bs_get_window)((t)->bs_cookie, (w), (bst))
    119 
    120 /*
    121  * Allocation and deallocation operations.
    122  */
    123 #define	bus_space_alloc(t, rs, re, s, a, b, f, ap, hp)			\
    124 	(*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b),	\
    125 	    (f), (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)					\
    151 	__bs_r(r,1,uint8_t,(t),(h),(o))
    152 #define	bus_space_read_2(t, h, o)					\
    153 	__bs_r(r,2,uint16_t,(t),(h),(o))
    154 #define	bus_space_read_4(t, h, o)					\
    155 	__bs_r(r,4,uint32_t,(t),(h),(o))
    156 #define	bus_space_read_8(t, h, o)					\
    157 	__bs_r(r,8,uint64_t,(t),(h),(o))
    158 #define	bus_space_read_stream_1(t, h, o)				\
    159 	__bs_r(rs,1,uint8_t,(t),(h),(o))
    160 #define	bus_space_read_stream_2(t, h, o)				\
    161 	__bs_r(rs,2,uint16_t,(t),(h),(o))
    162 #define	bus_space_read_stream_4(t, h, o)				\
    163 	__bs_r(rs,4,uint32_t,(t),(h),(o))
    164 #define	bus_space_read_stream_8(t, h, o)				\
    165 	__bs_r(rs,8,uint64_t,(t),(h),(o))
    166 
    167 
    168 /*
    169  * Bus read multiple operations.
    170  */
    171 #define	bus_space_read_multi_1(t, h, o, a, c)				\
    172 	__bs_nonsingle(rm,1,uint8_t,(t),(h),(o),(a),(c))
    173 #define	bus_space_read_multi_2(t, h, o, a, c)				\
    174 	__bs_nonsingle(rm,2,uint16_t,(t),(h),(o),(a),(c))
    175 #define	bus_space_read_multi_4(t, h, o, a, c)				\
    176 	__bs_nonsingle(rm,4,uint32_t,(t),(h),(o),(a),(c))
    177 #define	bus_space_read_multi_8(t, h, o, a, c)				\
    178 	__bs_nonsingle(rm,8,uint64_t,(t),(h),(o),(a),(c))
    179 #define	bus_space_read_multi_stream_1(t, h, o, a, c)			\
    180 	__bs_nonsingle(rms,1,uint8_t,(t),(h),(o),(a),(c))
    181 #define	bus_space_read_multi_stream_2(t, h, o, a, c)			\
    182 	__bs_nonsingle(rms,2,uint16_t,(t),(h),(o),(a),(c))
    183 #define	bus_space_read_multi_stream_4(t, h, o, a, c)			\
    184 	__bs_nonsingle(rms,4,uint32_t,(t),(h),(o),(a),(c))
    185 #define	bus_space_read_multi_stream_8(t, h, o, a, c)			\
    186 	__bs_nonsingle(rms,8,uint64_t,(t),(h),(o),(a),(c))
    187 
    188 
    189 /*
    190  * Bus read region operations.
    191  */
    192 #define	bus_space_read_region_1(t, h, o, a, c)				\
    193 	__bs_nonsingle(rr,1,uint8_t,(t),(h),(o),(a),(c))
    194 #define	bus_space_read_region_2(t, h, o, a, c)				\
    195 	__bs_nonsingle(rr,2,uint16_t,(t),(h),(o),(a),(c))
    196 #define	bus_space_read_region_4(t, h, o, a, c)				\
    197 	__bs_nonsingle(rr,4,uint32_t,(t),(h),(o),(a),(c))
    198 #define	bus_space_read_region_8(t, h, o, a, c)				\
    199 	__bs_nonsingle(rr,8,uint64_t,(t),(h),(o),(a),(c))
    200 #define	bus_space_read_region_stream_1(t, h, o, a, c)			\
    201 	__bs_nonsingle(rrs,1,uint8_t,(t),(h),(o),(a),(c))
    202 #define	bus_space_read_region_stream_2(t, h, o, a, c)			\
    203 	__bs_nonsingle(rrs,2,uint16_t,(t),(h),(o),(a),(c))
    204 #define	bus_space_read_region_stream_4(t, h, o, a, c)			\
    205 	__bs_nonsingle(rrs,4,uint32_t,(t),(h),(o),(a),(c))
    206 #define	bus_space_read_region_stream_8(t, h, o, a, c)			\
    207 	__bs_nonsingle(rrs,8,uint64_t,(t),(h),(o),(a),(c))
    208 
    209 
    210 /*
    211  * Bus write (single) operations.
    212  */
    213 #define	bus_space_write_1(t, h, o, v)					\
    214 	__bs_w(w,1,uint8_t,(t),(h),(o),(v))
    215 #define	bus_space_write_2(t, h, o, v)					\
    216 	__bs_w(w,2,uint16_t,(t),(h),(o),(v))
    217 #define	bus_space_write_4(t, h, o, v)					\
    218 	__bs_w(w,4,uint32_t,(t),(h),(o),(v))
    219 #define	bus_space_write_8(t, h, o, v)					\
    220 	__bs_w(w,8,uint64_t,(t),(h),(o),(v))
    221 #define	bus_space_write_stream_1(t, h, o, v)				\
    222 	__bs_w(ws,1,uint8_t,(t),(h),(o),(v))
    223 #define	bus_space_write_stream_2(t, h, o, v)				\
    224 	__bs_w(ws,2,uint16_t,(t),(h),(o),(v))
    225 #define	bus_space_write_stream_4(t, h, o, v)				\
    226 	__bs_w(ws,4,uint32_t,(t),(h),(o),(v))
    227 #define	bus_space_write_stream_8(t, h, o, v)				\
    228 	__bs_w(ws,8,uint64_t,(t),(h),(o),(v))
    229 
    230 
    231 /*
    232  * Bus write multiple operations.
    233  */
    234 #define	bus_space_write_multi_1(t, h, o, a, c)				\
    235 	__bs_nonsingle(wm,1,uint8_t,(t),(h),(o),(a),(c))
    236 #define	bus_space_write_multi_2(t, h, o, a, c)				\
    237 	__bs_nonsingle(wm,2,uint16_t,(t),(h),(o),(a),(c))
    238 #define	bus_space_write_multi_4(t, h, o, a, c)				\
    239 	__bs_nonsingle(wm,4,uint32_t,(t),(h),(o),(a),(c))
    240 #define	bus_space_write_multi_8(t, h, o, a, c)				\
    241 	__bs_nonsingle(wm,8,uint64_t,(t),(h),(o),(a),(c))
    242 #define	bus_space_write_multi_stream_1(t, h, o, a, c)			\
    243 	__bs_nonsingle(wms,1,uint8_t,(t),(h),(o),(a),(c))
    244 #define	bus_space_write_multi_stream_2(t, h, o, a, c)			\
    245 	__bs_nonsingle(wms,2,uint16_t,(t),(h),(o),(a),(c))
    246 #define	bus_space_write_multi_stream_4(t, h, o, a, c)			\
    247 	__bs_nonsingle(wms,4,uint32_t,(t),(h),(o),(a),(c))
    248 #define	bus_space_write_multi_stream_8(t, h, o, a, c)			\
    249 	__bs_nonsingle(wms,8,uint64_t,(t),(h),(o),(a),(c))
    250 
    251 
    252 /*
    253  * Bus write region operations.
    254  */
    255 #define	bus_space_write_region_1(t, h, o, a, c)				\
    256 	__bs_nonsingle(wr,1,uint8_t,(t),(h),(o),(a),(c))
    257 #define	bus_space_write_region_2(t, h, o, a, c)				\
    258 	__bs_nonsingle(wr,2,uint16_t,(t),(h),(o),(a),(c))
    259 #define	bus_space_write_region_4(t, h, o, a, c)				\
    260 	__bs_nonsingle(wr,4,uint32_t,(t),(h),(o),(a),(c))
    261 #define	bus_space_write_region_8(t, h, o, a, c)				\
    262 	__bs_nonsingle(wr,8,uint64_t,(t),(h),(o),(a),(c))
    263 #define	bus_space_write_region_stream_1(t, h, o, a, c)			\
    264 	__bs_nonsingle(wrs,1,uint8_t,(t),(h),(o),(a),(c))
    265 #define	bus_space_write_region_stream_2(t, h, o, a, c)			\
    266 	__bs_nonsingle(wrs,2,uint16_t,(t),(h),(o),(a),(c))
    267 #define	bus_space_write_region_stream_4(t, h, o, a, c)			\
    268 	__bs_nonsingle(wrs,4,uint32_t,(t),(h),(o),(a),(c))
    269 #define	bus_space_write_region_stream_8(t, h, o, a, c)			\
    270 	__bs_nonsingle(wrs,8,uint64_t,(t),(h),(o),(a),(c))
    271 
    272 
    273 /*
    274  * Set multiple operations.
    275  */
    276 #define	bus_space_set_multi_1(t, h, o, v, c)				\
    277 	__bs_set(sm,1,uint8_t,(t),(h),(o),(v),(c))
    278 #define	bus_space_set_multi_2(t, h, o, v, c)				\
    279 	__bs_set(sm,2,uint16_t,(t),(h),(o),(v),(c))
    280 #define	bus_space_set_multi_4(t, h, o, v, c)				\
    281 	__bs_set(sm,4,uint32_t,(t),(h),(o),(v),(c))
    282 #define	bus_space_set_multi_8(t, h, o, v, c)				\
    283 	__bs_set(sm,8,uint64_t,(t),(h),(o),(v),(c))
    284 
    285 
    286 /*
    287  * Set region operations.
    288  */
    289 #define	bus_space_set_region_1(t, h, o, v, c)				\
    290 	__bs_set(sr,1,uint8_t,(t),(h),(o),(v),(c))
    291 #define	bus_space_set_region_2(t, h, o, v, c)				\
    292 	__bs_set(sr,2,uint16_t,(t),(h),(o),(v),(c))
    293 #define	bus_space_set_region_4(t, h, o, v, c)				\
    294 	__bs_set(sr,4,uint32_t,(t),(h),(o),(v),(c))
    295 #define	bus_space_set_region_8(t, h, o, v, c)				\
    296 	__bs_set(sr,8,uint64_t,(t),(h),(o),(v),(c))
    297 
    298 
    299 /*
    300  * Copy region operations.
    301  */
    302 #define	bus_space_copy_region_1(t, h1, o1, h2, o2, c)			\
    303 	__bs_copy(1, uint8_t, (t), (h1), (o1), (h2), (o2), (c))
    304 #define	bus_space_copy_region_2(t, h1, o1, h2, o2, c)			\
    305 	__bs_copy(2, uint16_t, (t), (h1), (o1), (h2), (o2), (c))
    306 #define	bus_space_copy_region_4(t, h1, o1, h2, o2, c)			\
    307 	__bs_copy(4, uint32_t, (t), (h1), (o1), (h2), (o2), (c))
    308 #define	bus_space_copy_region_8(t, h1, o1, h2, o2, c)			\
    309 	__bs_copy(8, uint64_t, (t), (h1), (o1), (h2), (o2), (c))
    310 
    311 #endif /* _KERNEL */
    312 
    313 #endif /* _MIPS_BUS_SPACE_FUNCS_H_ */
    314