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| Current File : //usr/src/sys/powerpc/include/bus.h |
/* $NetBSD: bus.h,v 1.11 2003/07/28 17:35:54 thorpej 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.
*
* $FreeBSD: release/9.1.0/sys/powerpc/include/bus.h 216143 2010-12-03 07:09:23Z brucec $
*/
#ifndef _MACHINE_BUS_H_
#define _MACHINE_BUS_H_
#include <machine/_bus.h>
#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFFUL
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFFUL
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFFUL
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFFUL
#ifdef __powerpc64__
#define BUS_SPACE_MAXADDR 0xFFFFFFFFFFFFFFFFUL
#define BUS_SPACE_MAXSIZE 0xFFFFFFFFFFFFFFFFUL
#else
#define BUS_SPACE_MAXADDR 0xFFFFFFFFUL
#define BUS_SPACE_MAXSIZE 0xFFFFFFFFUL
#endif
#define BUS_SPACE_MAP_CACHEABLE 0x01
#define BUS_SPACE_MAP_LINEAR 0x02
#define BUS_SPACE_MAP_PREFETCHABLE 0x04
#define BUS_SPACE_UNRESTRICTED (~0)
#define BUS_SPACE_BARRIER_READ 0x01
#define BUS_SPACE_BARRIER_WRITE 0x02
struct bus_space_access;
struct bus_space {
/* mapping/unmapping */
int (*bs_map)(bus_addr_t, bus_size_t, int,
bus_space_handle_t *);
void (*bs_unmap)(bus_size_t);
int (*bs_subregion)(bus_space_handle_t, bus_size_t,
bus_size_t, bus_space_handle_t *);
/* allocation/deallocation */
int (*bs_alloc)(bus_addr_t, bus_addr_t, bus_size_t,
bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *);
void (*bs_free)(bus_space_handle_t, bus_size_t);
void (*bs_barrier)(bus_space_handle_t, bus_size_t,
bus_size_t, int);
/* Read single. */
uint8_t (*bs_r_1)(bus_space_handle_t, bus_size_t);
uint16_t (*bs_r_2)(bus_space_handle_t, bus_size_t);
uint32_t (*bs_r_4)(bus_space_handle_t, bus_size_t);
uint64_t (*bs_r_8)(bus_space_handle_t, bus_size_t);
uint16_t (*bs_r_s_2)(bus_space_handle_t, bus_size_t);
uint32_t (*bs_r_s_4)(bus_space_handle_t, bus_size_t);
uint64_t (*bs_r_s_8)(bus_space_handle_t, bus_size_t);
/* read multiple */
void (*bs_rm_1)(bus_space_handle_t, bus_size_t, uint8_t *,
bus_size_t);
void (*bs_rm_2)(bus_space_handle_t, bus_size_t, uint16_t *,
bus_size_t);
void (*bs_rm_4)(bus_space_handle_t, bus_size_t, uint32_t *,
bus_size_t);
void (*bs_rm_8)(bus_space_handle_t, bus_size_t, uint64_t *,
bus_size_t);
void (*bs_rm_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
bus_size_t);
void (*bs_rm_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
bus_size_t);
void (*bs_rm_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
bus_size_t);
/* read region */
void (*bs_rr_1)(bus_space_handle_t, bus_size_t, uint8_t *,
bus_size_t);
void (*bs_rr_2)(bus_space_handle_t, bus_size_t, uint16_t *,
bus_size_t);
void (*bs_rr_4)(bus_space_handle_t, bus_size_t, uint32_t *,
bus_size_t);
void (*bs_rr_8)(bus_space_handle_t, bus_size_t, uint64_t *,
bus_size_t);
void (*bs_rr_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
bus_size_t);
void (*bs_rr_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
bus_size_t);
void (*bs_rr_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
bus_size_t);
/* write */
void (*bs_w_1)(bus_space_handle_t, bus_size_t, uint8_t);
void (*bs_w_2)(bus_space_handle_t, bus_size_t, uint16_t);
void (*bs_w_4)(bus_space_handle_t, bus_size_t, uint32_t);
void (*bs_w_8)(bus_space_handle_t, bus_size_t, uint64_t);
void (*bs_w_s_2)(bus_space_handle_t, bus_size_t, uint16_t);
void (*bs_w_s_4)(bus_space_handle_t, bus_size_t, uint32_t);
void (*bs_w_s_8)(bus_space_handle_t, bus_size_t, uint64_t);
/* write multiple */
void (*bs_wm_1)(bus_space_handle_t, bus_size_t,
const uint8_t *, bus_size_t);
void (*bs_wm_2)(bus_space_handle_t, bus_size_t,
const uint16_t *, bus_size_t);
void (*bs_wm_4)(bus_space_handle_t, bus_size_t,
const uint32_t *, bus_size_t);
void (*bs_wm_8)(bus_space_handle_t, bus_size_t,
const uint64_t *, bus_size_t);
void (*bs_wm_s_2)(bus_space_handle_t, bus_size_t,
const uint16_t *, bus_size_t);
void (*bs_wm_s_4)(bus_space_handle_t, bus_size_t,
const uint32_t *, bus_size_t);
void (*bs_wm_s_8)(bus_space_handle_t, bus_size_t,
const uint64_t *, bus_size_t);
/* write region */
void (*bs_wr_1)(bus_space_handle_t, bus_size_t,
const uint8_t *, bus_size_t);
void (*bs_wr_2)(bus_space_handle_t, bus_size_t,
const uint16_t *, bus_size_t);
void (*bs_wr_4)(bus_space_handle_t, bus_size_t,
const uint32_t *, bus_size_t);
void (*bs_wr_8)(bus_space_handle_t, bus_size_t,
const uint64_t *, bus_size_t);
void (*bs_wr_s_2)(bus_space_handle_t, bus_size_t,
const uint16_t *, bus_size_t);
void (*bs_wr_s_4)(bus_space_handle_t, bus_size_t,
const uint32_t *, bus_size_t);
void (*bs_wr_s_8)(bus_space_handle_t, bus_size_t,
const uint64_t *, bus_size_t);
/* set multiple */
void (*bs_sm_1)(bus_space_handle_t, bus_size_t, uint8_t,
bus_size_t);
void (*bs_sm_2)(bus_space_handle_t, bus_size_t, uint16_t,
bus_size_t);
void (*bs_sm_4)(bus_space_handle_t, bus_size_t, uint32_t,
bus_size_t);
void (*bs_sm_8)(bus_space_handle_t, bus_size_t, uint64_t,
bus_size_t);
void (*bs_sm_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
bus_size_t);
void (*bs_sm_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
bus_size_t);
void (*bs_sm_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
bus_size_t);
/* set region */
void (*bs_sr_1)(bus_space_handle_t, bus_size_t, uint8_t,
bus_size_t);
void (*bs_sr_2)(bus_space_handle_t, bus_size_t, uint16_t,
bus_size_t);
void (*bs_sr_4)(bus_space_handle_t, bus_size_t, uint32_t,
bus_size_t);
void (*bs_sr_8)(bus_space_handle_t, bus_size_t, uint64_t,
bus_size_t);
void (*bs_sr_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
bus_size_t);
void (*bs_sr_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
bus_size_t);
void (*bs_sr_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
bus_size_t);
/* copy region */
void (*bs_cr_1)(bus_space_handle_t, bus_size_t,
bus_space_handle_t, bus_size_t, bus_size_t);
void (*bs_cr_2)(bus_space_handle_t, bus_size_t,
bus_space_handle_t, bus_size_t, bus_size_t);
void (*bs_cr_4)(bus_space_handle_t, bus_size_t,
bus_space_handle_t, bus_size_t, bus_size_t);
void (*bs_cr_8)(bus_space_handle_t, bus_size_t,
bus_space_handle_t, bus_size_t, bus_size_t);
void (*bs_cr_s_2)(bus_space_handle_t, bus_size_t,
bus_space_handle_t, bus_size_t, bus_size_t);
void (*bs_cr_s_4)(bus_space_handle_t, bus_size_t,
bus_space_handle_t, bus_size_t, bus_size_t);
void (*bs_cr_s_8)(bus_space_handle_t, bus_size_t,
bus_space_handle_t, bus_size_t, bus_size_t);
};
extern struct bus_space bs_be_tag;
extern struct bus_space bs_le_tag;
#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))(h, o)
#define __bs_ws(sz, t, h, o, v) \
(*(t)->__bs_opname(w,sz))(h, o, v)
#define __bs_nonsingle(type, sz, t, h, o, a, c) \
(*(t)->__bs_opname(type,sz))(h, o, a, c)
#define __bs_set(type, sz, t, h, o, v, c) \
(*(t)->__bs_opname(type,sz))(h, o, v, c)
#define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \
(*(t)->__bs_opname(c,sz))(h1, o1, h2, o2, cnt)
/*
* Mapping and unmapping operations.
*/
#define bus_space_map(t, a, s, c, hp) (*(t)->bs_map)(a, s, c, hp)
#define bus_space_unmap(t, h, s) (*(t)->bs_unmap)(h, s)
#define bus_space_subregion(t, h, o, s, hp) (*(t)->bs_subregion)(h, o, s, hp)
/*
* Allocation and deallocation operations.
*/
#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \
(*(t)->bs_alloc)(rs, re, s, a, b, c, ap, hp)
#define bus_space_free(t, h, s) \
(*(t)->bs_free)(h, s)
/*
* Bus barrier operations.
*/
#define bus_space_barrier(t, h, o, l, f) (*(t)->bs_barrier)(h, o, l, f)
/*
* 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)
#define bus_space_read_stream_1 bus_space_read_1
#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)
/*
* 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))
#define bus_space_read_multi_stream_1 bus_space_read_multi_1
#define bus_space_read_multi_stream_2(t, h, o, a, c) \
__bs_nonsingle(rm,s_2,(t),(h),(o),(a),(c))
#define bus_space_read_multi_stream_4(t, h, o, a, c) \
__bs_nonsingle(rm,s_4,(t),(h),(o),(a),(c))
#define bus_space_read_multi_stream_8(t, h, o, a, c) \
__bs_nonsingle(rm,s_8,(t),(h),(o),(a),(c))
/*
* Bus read region operations.
*/
#define bus_space_read_region_1(t, h, o, a, c) \
__bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
#define bus_space_read_region_2(t, h, o, a, c) \
__bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
#define bus_space_read_region_4(t, h, o, a, c) \
__bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
#define bus_space_read_region_8(t, h, o, a, c) \
__bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
#define bus_space_read_region_stream_1 bus_space_read_region_1
#define bus_space_read_region_stream_2(t, h, o, a, c) \
__bs_nonsingle(rr,s_2,(t),(h),(o),(a),(c))
#define bus_space_read_region_stream_4(t, h, o, a, c) \
__bs_nonsingle(rr,s_4,(t),(h),(o),(a),(c))
#define bus_space_read_region_stream_8(t, h, o, a, c) \
__bs_nonsingle(rr,s_8,(t),(h),(o),(a),(c))
/*
* Bus write (single) operations.
*/
#define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v))
#define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v))
#define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v))
#define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v))
#define bus_space_write_stream_1 bus_space_write_1
#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))
/*
* 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))
#define bus_space_write_multi_stream_1 bus_space_write_multi_1
#define bus_space_write_multi_stream_2(t, h, o, a, c) \
__bs_nonsingle(wm,s_2,(t),(h),(o),(a),(c))
#define bus_space_write_multi_stream_4(t, h, o, a, c) \
__bs_nonsingle(wm,s_4,(t),(h),(o),(a),(c))
#define bus_space_write_multi_stream_8(t, h, o, a, c) \
__bs_nonsingle(wm,s_8,(t),(h),(o),(a),(c))
/*
* Bus write region operations.
*/
#define bus_space_write_region_1(t, h, o, a, c) \
__bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
#define bus_space_write_region_2(t, h, o, a, c) \
__bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
#define bus_space_write_region_4(t, h, o, a, c) \
__bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
#define bus_space_write_region_8(t, h, o, a, c) \
__bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
#define bus_space_write_region_stream_1 bus_space_write_region_1
#define bus_space_write_region_stream_2(t, h, o, a, c) \
__bs_nonsingle(wr,s_2,(t),(h),(o),(a),(c))
#define bus_space_write_region_stream_4(t, h, o, a, c) \
__bs_nonsingle(wr,s_4,(t),(h),(o),(a),(c))
#define bus_space_write_region_stream_8(t, h, o, a, c) \
__bs_nonsingle(wr,s_8,(t),(h),(o),(a),(c))
/*
* 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))
#define bus_space_set_multi_stream_1 bus_space_set_multi_1
#define bus_space_set_multi_stream_2(t, h, o, v, c) \
__bs_set(sm,s_2,(t),(h),(o),(v),(c))
#define bus_space_set_multi_stream_4(t, h, o, v, c) \
__bs_set(sm,s_4,(t),(h),(o),(v),(c))
#define bus_space_set_multi_stream_8(t, h, o, v, c) \
__bs_set(sm,s_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))
#define bus_space_set_region_stream_1 bus_space_set_region_1
#define bus_space_set_region_stream_2(t, h, o, v, c) \
__bs_set(sr,s_2,(t),(h),(o),(v),(c))
#define bus_space_set_region_stream_4(t, h, o, v, c) \
__bs_set(sr,s_4,(t),(h),(o),(v),(c))
#define bus_space_set_region_stream_8(t, h, o, v, c) \
__bs_set(sr,s_8,(t),(h),(o),(v),(c))
#if 0
/*
* 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)
#define bus_space_copy_region_stream_1 bus_space_copy_region_1
#define bus_space_copy_region_stream_2(t, h1, o1, h2, o2, c) \
__bs_copy(s_2, t, h1, o1, h2, o2, c)
#define bus_space_copy_region_stream_4(t, h1, o1, h2, o2, c) \
__bs_copy(s_4, t, h1, o1, h2, o2, c)
#define bus_space_copy_region_stream_8(t, h1, o1, h2, o2, c) \
__bs_copy(s_8, t, h1, o1, h2, o2, c)
#endif
#include <machine/bus_dma.h>
#endif /* _MACHINE_BUS_H_ */