/*      $NetBSD: bus_space_funcs.h,v 1.2 2020/07/26 08:08:41 simonb Exp $       */

/*-
* Copyright (c) 1997, 1998, 2000, 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.
*
* 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 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
*  Software Distribution Coordinator  or  [email protected]
*  School of Computer Science
*  Carnegie Mellon University
*  Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/

#ifndef _MIPS_BUS_SPACE_FUNCS_H_
#define _MIPS_BUS_SPACE_FUNCS_H_

#ifdef _KERNEL
/*
* 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_r(type, sz, tn, t, h, o)                                   \
       (__BUS_SPACE_ADDRESS_SANITY((h) + (o), tn, "bus addr"),         \
        (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o))

#define __bs_w(type, sz, tn, t, h, o, v)                                \
do {                                                                    \
       __BUS_SPACE_ADDRESS_SANITY((h) + (o), tn, "bus addr");          \
       (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v);          \
} while (0)

#define __bs_nonsingle(type, sz, tn, t, h, o, a, c)                     \
do {                                                                    \
       __BUS_SPACE_ADDRESS_SANITY((a), tn, "buffer");                  \
       __BUS_SPACE_ADDRESS_SANITY((h) + (o), tn, "bus addr");          \
       (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c);       \
} while (0)

#define __bs_set(type, sz, tn, t, h, o, v, c)                           \
do {                                                                    \
       __BUS_SPACE_ADDRESS_SANITY((h) + (o), tn, "bus addr");          \
       (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v, c);       \
} while (0)

#define __bs_copy(sz, tn, t, h1, o1, h2, o2, cnt)                       \
do {                                                                    \
       __BUS_SPACE_ADDRESS_SANITY((h1) + (o1), tn, "bus addr 1");      \
       __BUS_SPACE_ADDRESS_SANITY((h2) + (o2), tn, "bus addr 2");      \
       (*(t)->__bs_opname(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt); \
} while (0)


/*
* Mapping and unmapping operations.
*/
#define bus_space_map(t, a, s, f, hp)                                   \
       (*(t)->bs_map)((t)->bs_cookie, (a), (s), (f), (hp), 1)
#define mips_bus_space_map_noacct(t, a, s, f, hp)                       \
       (*(t)->bs_map)((t)->bs_cookie, (a), (s), (f), (hp), 0)
#define bus_space_unmap(t, h, s)                                        \
       (*(t)->bs_unmap)((t)->bs_cookie, (h), (s), 1)
#define mips_bus_space_unmap_noacct(t, h, s)                            \
       (*(t)->bs_unmap)((t)->bs_cookie, (h), (s), 0)
#define bus_space_subregion(t, h, o, s, hp)                             \
       (*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))

#define mips_bus_space_translate(t, a, s, f, bst)                       \
       (*(t)->bs_translate)((t)->bs_cookie, (a), (s), (f), (bst))
#define mips_bus_space_get_window(t, w, bst)                            \
       (*(t)->bs_get_window)((t)->bs_cookie, (w), (bst))

/*
* Allocation and deallocation operations.
*/
#define bus_space_alloc(t, rs, re, s, a, b, f, ap, hp)                  \
       (*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b),     \
           (f), (ap), (hp))
#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))

/*
* Bus read (single) operations.
*/
#define bus_space_read_1(t, h, o)                                       \
       __bs_r(r,1,uint8_t,(t),(h),(o))
#define bus_space_read_2(t, h, o)                                       \
       __bs_r(r,2,uint16_t,(t),(h),(o))
#define bus_space_read_4(t, h, o)                                       \
       __bs_r(r,4,uint32_t,(t),(h),(o))
#define bus_space_read_8(t, h, o)                                       \
       __bs_r(r,8,uint64_t,(t),(h),(o))
#define bus_space_read_stream_1(t, h, o)                                \
       __bs_r(rs,1,uint8_t,(t),(h),(o))
#define bus_space_read_stream_2(t, h, o)                                \
       __bs_r(rs,2,uint16_t,(t),(h),(o))
#define bus_space_read_stream_4(t, h, o)                                \
       __bs_r(rs,4,uint32_t,(t),(h),(o))
#define bus_space_read_stream_8(t, h, o)                                \
       __bs_r(rs,8,uint64_t,(t),(h),(o))


/*
* Bus read multiple operations.
*/
#define bus_space_read_multi_1(t, h, o, a, c)                           \
       __bs_nonsingle(rm,1,uint8_t,(t),(h),(o),(a),(c))
#define bus_space_read_multi_2(t, h, o, a, c)                           \
       __bs_nonsingle(rm,2,uint16_t,(t),(h),(o),(a),(c))
#define bus_space_read_multi_4(t, h, o, a, c)                           \
       __bs_nonsingle(rm,4,uint32_t,(t),(h),(o),(a),(c))
#define bus_space_read_multi_8(t, h, o, a, c)                           \
       __bs_nonsingle(rm,8,uint64_t,(t),(h),(o),(a),(c))
#define bus_space_read_multi_stream_1(t, h, o, a, c)                    \
       __bs_nonsingle(rms,1,uint8_t,(t),(h),(o),(a),(c))
#define bus_space_read_multi_stream_2(t, h, o, a, c)                    \
       __bs_nonsingle(rms,2,uint16_t,(t),(h),(o),(a),(c))
#define bus_space_read_multi_stream_4(t, h, o, a, c)                    \
       __bs_nonsingle(rms,4,uint32_t,(t),(h),(o),(a),(c))
#define bus_space_read_multi_stream_8(t, h, o, a, c)                    \
       __bs_nonsingle(rms,8,uint64_t,(t),(h),(o),(a),(c))


/*
* Bus read region operations.
*/
#define bus_space_read_region_1(t, h, o, a, c)                          \
       __bs_nonsingle(rr,1,uint8_t,(t),(h),(o),(a),(c))
#define bus_space_read_region_2(t, h, o, a, c)                          \
       __bs_nonsingle(rr,2,uint16_t,(t),(h),(o),(a),(c))
#define bus_space_read_region_4(t, h, o, a, c)                          \
       __bs_nonsingle(rr,4,uint32_t,(t),(h),(o),(a),(c))
#define bus_space_read_region_8(t, h, o, a, c)                          \
       __bs_nonsingle(rr,8,uint64_t,(t),(h),(o),(a),(c))
#define bus_space_read_region_stream_1(t, h, o, a, c)                   \
       __bs_nonsingle(rrs,1,uint8_t,(t),(h),(o),(a),(c))
#define bus_space_read_region_stream_2(t, h, o, a, c)                   \
       __bs_nonsingle(rrs,2,uint16_t,(t),(h),(o),(a),(c))
#define bus_space_read_region_stream_4(t, h, o, a, c)                   \
       __bs_nonsingle(rrs,4,uint32_t,(t),(h),(o),(a),(c))
#define bus_space_read_region_stream_8(t, h, o, a, c)                   \
       __bs_nonsingle(rrs,8,uint64_t,(t),(h),(o),(a),(c))


/*
* Bus write (single) operations.
*/
#define bus_space_write_1(t, h, o, v)                                   \
       __bs_w(w,1,uint8_t,(t),(h),(o),(v))
#define bus_space_write_2(t, h, o, v)                                   \
       __bs_w(w,2,uint16_t,(t),(h),(o),(v))
#define bus_space_write_4(t, h, o, v)                                   \
       __bs_w(w,4,uint32_t,(t),(h),(o),(v))
#define bus_space_write_8(t, h, o, v)                                   \
       __bs_w(w,8,uint64_t,(t),(h),(o),(v))
#define bus_space_write_stream_1(t, h, o, v)                            \
       __bs_w(ws,1,uint8_t,(t),(h),(o),(v))
#define bus_space_write_stream_2(t, h, o, v)                            \
       __bs_w(ws,2,uint16_t,(t),(h),(o),(v))
#define bus_space_write_stream_4(t, h, o, v)                            \
       __bs_w(ws,4,uint32_t,(t),(h),(o),(v))
#define bus_space_write_stream_8(t, h, o, v)                            \
       __bs_w(ws,8,uint64_t,(t),(h),(o),(v))


/*
* Bus write multiple operations.
*/
#define bus_space_write_multi_1(t, h, o, a, c)                          \
       __bs_nonsingle(wm,1,uint8_t,(t),(h),(o),(a),(c))
#define bus_space_write_multi_2(t, h, o, a, c)                          \
       __bs_nonsingle(wm,2,uint16_t,(t),(h),(o),(a),(c))
#define bus_space_write_multi_4(t, h, o, a, c)                          \
       __bs_nonsingle(wm,4,uint32_t,(t),(h),(o),(a),(c))
#define bus_space_write_multi_8(t, h, o, a, c)                          \
       __bs_nonsingle(wm,8,uint64_t,(t),(h),(o),(a),(c))
#define bus_space_write_multi_stream_1(t, h, o, a, c)                   \
       __bs_nonsingle(wms,1,uint8_t,(t),(h),(o),(a),(c))
#define bus_space_write_multi_stream_2(t, h, o, a, c)                   \
       __bs_nonsingle(wms,2,uint16_t,(t),(h),(o),(a),(c))
#define bus_space_write_multi_stream_4(t, h, o, a, c)                   \
       __bs_nonsingle(wms,4,uint32_t,(t),(h),(o),(a),(c))
#define bus_space_write_multi_stream_8(t, h, o, a, c)                   \
       __bs_nonsingle(wms,8,uint64_t,(t),(h),(o),(a),(c))


/*
* Bus write region operations.
*/
#define bus_space_write_region_1(t, h, o, a, c)                         \
       __bs_nonsingle(wr,1,uint8_t,(t),(h),(o),(a),(c))
#define bus_space_write_region_2(t, h, o, a, c)                         \
       __bs_nonsingle(wr,2,uint16_t,(t),(h),(o),(a),(c))
#define bus_space_write_region_4(t, h, o, a, c)                         \
       __bs_nonsingle(wr,4,uint32_t,(t),(h),(o),(a),(c))
#define bus_space_write_region_8(t, h, o, a, c)                         \
       __bs_nonsingle(wr,8,uint64_t,(t),(h),(o),(a),(c))
#define bus_space_write_region_stream_1(t, h, o, a, c)                  \
       __bs_nonsingle(wrs,1,uint8_t,(t),(h),(o),(a),(c))
#define bus_space_write_region_stream_2(t, h, o, a, c)                  \
       __bs_nonsingle(wrs,2,uint16_t,(t),(h),(o),(a),(c))
#define bus_space_write_region_stream_4(t, h, o, a, c)                  \
       __bs_nonsingle(wrs,4,uint32_t,(t),(h),(o),(a),(c))
#define bus_space_write_region_stream_8(t, h, o, a, c)                  \
       __bs_nonsingle(wrs,8,uint64_t,(t),(h),(o),(a),(c))


/*
* Set multiple operations.
*/
#define bus_space_set_multi_1(t, h, o, v, c)                            \
       __bs_set(sm,1,uint8_t,(t),(h),(o),(v),(c))
#define bus_space_set_multi_2(t, h, o, v, c)                            \
       __bs_set(sm,2,uint16_t,(t),(h),(o),(v),(c))
#define bus_space_set_multi_4(t, h, o, v, c)                            \
       __bs_set(sm,4,uint32_t,(t),(h),(o),(v),(c))
#define bus_space_set_multi_8(t, h, o, v, c)                            \
       __bs_set(sm,8,uint64_t,(t),(h),(o),(v),(c))


/*
* Set region operations.
*/
#define bus_space_set_region_1(t, h, o, v, c)                           \
       __bs_set(sr,1,uint8_t,(t),(h),(o),(v),(c))
#define bus_space_set_region_2(t, h, o, v, c)                           \
       __bs_set(sr,2,uint16_t,(t),(h),(o),(v),(c))
#define bus_space_set_region_4(t, h, o, v, c)                           \
       __bs_set(sr,4,uint32_t,(t),(h),(o),(v),(c))
#define bus_space_set_region_8(t, h, o, v, c)                           \
       __bs_set(sr,8,uint64_t,(t),(h),(o),(v),(c))


/*
* Copy region operations.
*/
#define bus_space_copy_region_1(t, h1, o1, h2, o2, c)                   \
       __bs_copy(1, uint8_t, (t), (h1), (o1), (h2), (o2), (c))
#define bus_space_copy_region_2(t, h1, o1, h2, o2, c)                   \
       __bs_copy(2, uint16_t, (t), (h1), (o1), (h2), (o2), (c))
#define bus_space_copy_region_4(t, h1, o1, h2, o2, c)                   \
       __bs_copy(4, uint32_t, (t), (h1), (o1), (h2), (o2), (c))
#define bus_space_copy_region_8(t, h1, o1, h2, o2, c)                   \
       __bs_copy(8, uint64_t, (t), (h1), (o1), (h2), (o2), (c))

#endif /* _KERNEL */

#endif /* _MIPS_BUS_SPACE_FUNCS_H_ */

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