1028 lines
34 KiB
C
1028 lines
34 KiB
C
/* $NetBSD: bus.h,v 1.5 2003/03/29 22:07:14 scw Exp $ */
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Steve C. Woodford for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1996 Charles M. Hannum. All rights reserved.
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* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SH5_BUS_H_
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#define _SH5_BUS_H_
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#include <machine/bswap.h>
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#ifndef __BUS_SPACE_COMPAT_OLDDEFS
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#define __BUS_SPACE_COMPAT_OLDDEFS
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#endif
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#define __BUS_SPACE_HAS_STREAM_METHODS
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#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
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/*
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* Bus address and size types
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*
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* XXX: Ideally, these should be sized according to NEFF
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*/
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typedef u_int32_t bus_addr_t;
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typedef u_int32_t bus_size_t;
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/*
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* Access methods for bus resources and address space.
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*/
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struct sh5_bus_space_tag;
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typedef const struct sh5_bus_space_tag *bus_space_tag_t;
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typedef u_long bus_space_handle_t;
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struct sh5_bus_space_tag {
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void *bs_cookie;
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int (*bs_map)(void *, bus_addr_t, bus_size_t,
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int, bus_space_handle_t *);
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void (*bs_unmap)(void *, bus_space_handle_t, bus_size_t);
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int (*bs_alloc)(void *, bus_addr_t, bus_addr_t, bus_size_t,
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bus_size_t, bus_size_t, int, bus_addr_t *,
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bus_space_handle_t *);
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void (*bs_free)(void *, bus_space_handle_t, bus_size_t);
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int (*bs_subregion)(void *, bus_space_handle_t, bus_size_t,
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bus_size_t, bus_space_handle_t *);
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paddr_t (*bs_mmap)(void *, bus_addr_t, off_t, int, int);
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u_int8_t (*bs_read_1)(void *, bus_space_handle_t,
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bus_size_t);
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u_int16_t (*bs_read_2)(void *, bus_space_handle_t,
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bus_size_t);
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u_int32_t (*bs_read_4)(void *, bus_space_handle_t,
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bus_size_t);
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u_int64_t (*bs_read_8)(void *, bus_space_handle_t,
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bus_size_t);
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void (*bs_write_1)(void *, bus_space_handle_t,
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bus_size_t, u_int8_t);
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void (*bs_write_2)(void *, bus_space_handle_t,
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bus_size_t, u_int16_t);
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void (*bs_write_4)(void *, bus_space_handle_t,
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bus_size_t, u_int32_t);
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void (*bs_write_8)(void *, bus_space_handle_t,
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bus_size_t, u_int64_t);
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u_int16_t (*bs_read_stream_2)(void *, bus_space_handle_t,
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bus_size_t);
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u_int32_t (*bs_read_stream_4)(void *, bus_space_handle_t,
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bus_size_t);
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u_int64_t (*bs_read_stream_8)(void *, bus_space_handle_t,
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bus_size_t);
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void (*bs_write_stream_2)(void *, bus_space_handle_t,
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bus_size_t, u_int16_t);
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void (*bs_write_stream_4)(void *, bus_space_handle_t,
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bus_size_t, u_int32_t);
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void (*bs_write_stream_8)(void *, bus_space_handle_t,
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bus_size_t, u_int64_t);
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int (*bs_peek_1)(void *, bus_space_handle_t,
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bus_size_t, u_int8_t *);
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int (*bs_peek_2)(void *, bus_space_handle_t,
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bus_size_t, u_int16_t *);
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int (*bs_peek_4)(void *, bus_space_handle_t,
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bus_size_t, u_int32_t *);
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int (*bs_peek_8)(void *, bus_space_handle_t,
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bus_size_t, u_int64_t *);
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int (*bs_poke_1)(void *, bus_space_handle_t,
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bus_size_t, u_int8_t);
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int (*bs_poke_2)(void *, bus_space_handle_t,
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bus_size_t, u_int16_t);
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int (*bs_poke_4)(void *, bus_space_handle_t,
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bus_size_t, u_int32_t);
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int (*bs_poke_8)(void *, bus_space_handle_t,
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bus_size_t, u_int64_t);
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};
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/*
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* int bus_space_map(bus_space_tag_t tag, bus_addr_t address,
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* bus_size_t size, int flags, bus_space_handle_t *handlep)
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*/
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#define bus_space_map(t,a,s,f,hp) \
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(*(t)->bs_map)((t)->bs_cookie, (a), (s), (f), (hp))
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/*
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* Flags to bus_space_map()
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*/
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#define BUS_SPACE_MAP_CACHEABLE 0x01
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#define BUS_SPACE_MAP_LINEAR 0x02
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#define BUS_SPACE_MAP_PREFETCHABLE 0x04
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/*
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* void bus_space_unmap(bus_space_tag_t tag, bus_space_handle_t handle,
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* bus_size_t size)
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*/
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#define bus_space_unmap(t,h,s) \
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(*(t)->bs_unmap)((t)->bs_cookie, (h), (s))
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/*
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* int bus_space_alloc(bus_space_tag_t t, bus_addr_t rstart,
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* bus_addr_t rend, bus_size_t size, bus_size_t align,
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* bus_size_t boundary, int flags, bus_addr_t *addrp,
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* bus_space_handle_t *bshp);
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*
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* Allocate a region of bus space.
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*/
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#define bus_space_alloc(t,rs,re,s,a,b,f,ap,hp) \
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(*(t)->bs_alloc)((t)->bs_cookie,(rs),(re),(s),(a),(b),(f),(ap),(hp))
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/*
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* int bus_space_free(bus_space_tag_t t,
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* bus_space_handle_t bsh, bus_size_t size);
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*
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* Free a region of bus space.
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*/
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#define bus_space_free(t, h, s) \
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(*(t)->bs_free)((t)->bs_cookie, (h), (s))
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/*
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* int bus_space_subregion(bus_space_tag_t t,
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* bus_space_handle_t bsh, bus_size_t offset, bus_size_t size,
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* bus_space_handle_t *nbshp);
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*
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* Get a new handle for a subregion of an already-mapped area of bus space.
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*/
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#define bus_space_subregion(t, h, o, s, nhp) \
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(*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (nhp))
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/*
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* vaddr_t bus_space_vaddr(bus_space_tag tag, bus_space_handle handle)
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*
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* Get the KVA associated with the mapped bus space IFF is was mapped
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* with BUS_SPACE_MAP_LINEAR.
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*/
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#define bus_space_vaddr(t, h) ((void *)(h))
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/*
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* paddr_t bus_space_mmap(bus_space_tag_t tag, bus_addr_t,
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* off_t, int, int)
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*/
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#define bus_space_mmap(t,a,o,p,f) \
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(*(t)->bs_mmap)((t)->bs_cookie, (a), (o), (p), (f))
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/*
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* u_intN_t bus_space_read_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset);
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*
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* Read a 1, 2, 4, or 8 byte quantity from bus space
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* described by tag/handle/offset.
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*/
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#define bus_space_read_1(t,h,o) \
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(*(t)->bs_read_1)((t)->bs_cookie, (h), (o))
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#define bus_space_read_2(t,h,o) \
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(*(t)->bs_read_2)((t)->bs_cookie, (h), (o))
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#define bus_space_read_4(t,h,o) \
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(*(t)->bs_read_4)((t)->bs_cookie, (h), (o))
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#define bus_space_read_8(t,h,o) \
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(*(t)->bs_read_8)((t)->bs_cookie, (h), (o))
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/*
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* void bus_space_write_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset,
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* u_intN_t value);
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*
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* Write the 1, 2, 4, or 8 byte value `value' to bus space
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* described by tag/handle/offset.
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*/
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#define bus_space_write_1(t,h,o,v) \
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(*(t)->bs_write_1)((t)->bs_cookie, (h), (o), (v))
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#define bus_space_write_2(t,h,o,v) \
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(*(t)->bs_write_2)((t)->bs_cookie, (h), (o), (v))
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#define bus_space_write_4(t,h,o,v) \
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(*(t)->bs_write_4)((t)->bs_cookie, (h), (o), (v))
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#define bus_space_write_8(t,h,o,v) \
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(*(t)->bs_write_8)((t)->bs_cookie, (h), (o), (v))
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/*
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* u_intN_t bus_space_read_stream_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset)
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*
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* Read a 1, 2, 4, or 8 byte quantity from bus space
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* described by tag/handle/offset, with no endian conversion.
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*/
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#define bus_space_read_stream_2(t,h,o) \
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(*(t)->bs_read_stream_2)((t)->bs_cookie, (h), (o))
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#define bus_space_read_stream_4(t,h,o) \
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(*(t)->bs_read_stream_4)((t)->bs_cookie, (h), (o))
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#define bus_space_read_stream_8(t,h,o) \
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(*(t)->bs_read_stream_8)((t)->bs_cookie, (h), (o))
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/*
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* void bus_space_read_multi_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset,
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* u_intN_t *addr, size_t count);
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*
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* Read `count' 1, 2, 4, or 8 byte quantities from bus space
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* described by tag/handle/offset and copy into buffer provided.
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*/
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static __inline void bus_space_read_multi_1(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
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static __inline void bus_space_read_multi_2(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
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static __inline void bus_space_read_multi_4(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
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static __inline void bus_space_read_multi_8(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t);
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static __inline void
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bus_space_read_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int8_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_1(tag, bsh, offset);
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}
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static __inline void
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bus_space_read_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int16_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_2(tag, bsh, offset);
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}
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static __inline void
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bus_space_read_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int32_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_4(tag, bsh, offset);
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}
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static __inline void
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bus_space_read_multi_8(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int64_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_8(tag, bsh, offset);
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}
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static __inline void bus_space_read_multi_stream_2(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
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static __inline void bus_space_read_multi_stream_4(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
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static __inline void bus_space_read_multi_stream_8(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t);
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static __inline void
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bus_space_read_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int16_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_stream_2(tag, bsh, offset);
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}
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static __inline void
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bus_space_read_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int32_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_stream_4(tag, bsh, offset);
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}
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static __inline void
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bus_space_read_multi_stream_8(bus_space_tag_t tag, bus_space_handle_t bsh,
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bus_size_t offset, u_int64_t *addr, bus_size_t count)
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{
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while (count--)
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*addr++ = bus_space_read_stream_8(tag, bsh, offset);
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}
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/*
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* void bus_space_read_region_N(bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset,
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* u_intN_t *addr, size_t count);
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*
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* Read `count' 1, 2, 4, or 8 byte quantities from bus space
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* described by tag/handle and starting at `offset' and copy into
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* buffer provided.
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*/
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static __inline void bus_space_read_region_1(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
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static __inline void bus_space_read_region_2(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
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static __inline void bus_space_read_region_4(bus_space_tag_t,
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bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
|
|
static __inline void bus_space_read_region_8(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int8_t *addr, bus_size_t count)
|
|
{
|
|
while (count--)
|
|
*addr++ = bus_space_read_1(tag, bsh, offset++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t *addr, bus_size_t count)
|
|
{
|
|
while (count--) {
|
|
*addr++ = bus_space_read_2(tag, bsh, offset);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t *addr, bus_size_t count)
|
|
{
|
|
while (count--) {
|
|
*addr++ = bus_space_read_4(tag, bsh, offset);
|
|
offset += 4;
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_region_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int64_t *addr, bus_size_t count)
|
|
{
|
|
while (count--) {
|
|
*addr++ = bus_space_read_8(tag, bsh, offset);
|
|
offset += 8;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* void bus_space_write_region_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* const u_intN_t *addr, size_t count);
|
|
*
|
|
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
|
|
* to bus space described by tag/handle starting at `offset'.
|
|
*/
|
|
static __inline void bus_space_write_region_1(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, const u_int8_t *, bus_size_t);
|
|
static __inline void bus_space_write_region_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, const u_int16_t *, bus_size_t);
|
|
static __inline void bus_space_write_region_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, const u_int32_t *, bus_size_t);
|
|
static __inline void bus_space_write_region_8(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, const u_int64_t *, bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_write_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, const u_int8_t *addr, bus_size_t count)
|
|
{
|
|
while (count--)
|
|
bus_space_write_1(tag, bsh, offset++, *addr++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, const u_int16_t *addr, bus_size_t count)
|
|
{
|
|
while (count--) {
|
|
bus_space_write_2(tag, bsh, offset, *addr++);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, const u_int32_t *addr, bus_size_t count)
|
|
{
|
|
while (count--) {
|
|
bus_space_write_4(tag, bsh, offset, *addr++);
|
|
offset += 4;
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, const u_int64_t *addr, bus_size_t count)
|
|
{
|
|
while (count--) {
|
|
bus_space_write_8(tag, bsh, offset, *addr++);
|
|
offset += 8;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* void bus_space_write_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t value)
|
|
*
|
|
* Read a 1, 2, 4, or 8 byte quantity from bus space
|
|
* described by tag/handle/offset, with no endian conversion.
|
|
*/
|
|
#define bus_space_write_stream_2(t,h,o,v) \
|
|
(*(t)->bs_write_stream_2)((t)->bs_cookie, (h), (o), (v))
|
|
#define bus_space_write_stream_4(t,h,o,v) \
|
|
(*(t)->bs_write_stream_4)((t)->bs_cookie, (h), (o), (v))
|
|
#define bus_space_write_stream_8(t,h,o,v) \
|
|
(*(t)->bs_write_stream_8)((t)->bs_cookie, (h), (o), (v))
|
|
|
|
|
|
/*
|
|
* void bus_space_write_multi_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* const u_intN_t *addr, size_t count);
|
|
*
|
|
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer
|
|
* provided to bus space described by tag/handle/offset.
|
|
*/
|
|
static __inline void bus_space_write_multi_1(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
|
|
static __inline void bus_space_write_multi_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
|
|
static __inline void bus_space_write_multi_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
|
|
static __inline void bus_space_write_multi_8(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_write_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int8_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_1(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_2(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_4(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int64_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_8(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
static __inline void bus_space_write_multi_stream_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int16_t *, bus_size_t);
|
|
static __inline void bus_space_write_multi_stream_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int32_t *, bus_size_t);
|
|
static __inline void bus_space_write_multi_stream_8(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int64_t *, bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_write_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_stream_2(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_stream_4(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_stream_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int64_t *addr, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_stream_8(tag, bsh, offset, *addr++);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_set_multi_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
|
|
* size_t count);
|
|
*
|
|
* Write the 1, 2, 4, or 8 byte value `val' to bus space described
|
|
* by tag/handle/offset `count' times.
|
|
*/
|
|
static __inline void bus_space_set_multi_1(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int8_t, bus_size_t);
|
|
static __inline void bus_space_set_multi_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t);
|
|
static __inline void bus_space_set_multi_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t);
|
|
static __inline void bus_space_set_multi_8(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int64_t, bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_set_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int8_t val, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_1(tag, bsh, offset, val);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t val, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_2(tag, bsh, offset, val);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t val, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_4(tag, bsh, offset, val);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int64_t val, bus_size_t count)
|
|
{
|
|
|
|
while (count--)
|
|
bus_space_write_8(tag, bsh, offset, val);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_set_region_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
|
|
* size_t count);
|
|
*
|
|
* Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
|
|
* by tag/handle starting at `offset'.
|
|
*/
|
|
static __inline void bus_space_set_region_1(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int8_t, bus_size_t);
|
|
static __inline void bus_space_set_region_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int16_t, bus_size_t);
|
|
static __inline void bus_space_set_region_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int32_t, bus_size_t);
|
|
static __inline void bus_space_set_region_8(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, u_int64_t, bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_set_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int8_t val, bus_size_t count)
|
|
{
|
|
while (count--)
|
|
bus_space_write_1(tag, bsh, offset++, val);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int16_t val, bus_size_t count)
|
|
{
|
|
while (count--) {
|
|
bus_space_write_2(tag, bsh, offset, val);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int32_t val, bus_size_t count)
|
|
{
|
|
while (count--) {
|
|
bus_space_write_4(tag, bsh, offset, val);
|
|
offset += 4;
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t offset, u_int64_t val, bus_size_t count)
|
|
{
|
|
while (count--) {
|
|
bus_space_write_8(tag, bsh, offset, val);
|
|
offset += 8;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* void bus_space_copy_region_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh1, bus_size_t off1,
|
|
* bus_space_handle_t bsh2, bus_size_t off2,
|
|
* size_t count);
|
|
*
|
|
* Copy `count' 1, 2, 4, or 8 byte values from bus space starting
|
|
* at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
|
|
*/
|
|
static __inline void bus_space_copy_region_1(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
|
|
bus_size_t);
|
|
static __inline void bus_space_copy_region_2(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
|
|
bus_size_t);
|
|
static __inline void bus_space_copy_region_4(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
|
|
bus_size_t);
|
|
static __inline void bus_space_copy_region_8(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
|
|
bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_copy_region_1(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
|
|
if ((h1 + o1) >= (h2 + o2)) { /* src after dest: copy forward */
|
|
while (c--)
|
|
bus_space_write_1(t, h2, o2++,
|
|
bus_space_read_1(t, h1, o1++));
|
|
} else { /* dest after src: copy backwards */
|
|
o1 += c - 1;
|
|
o2 += c - 1;
|
|
while (c--)
|
|
bus_space_write_1(t, h2, o2--,
|
|
bus_space_read_1(t, h1, o1--));
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_2(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
|
|
if ((h1 + o1) >= (h2 + o2)) { /* src after dest: copy forward */
|
|
while (c--) {
|
|
bus_space_write_2(t, h2, o2,
|
|
bus_space_read_2(t, h1, o1));
|
|
o1 += 2;
|
|
o2 += 2;
|
|
}
|
|
} else { /* dest after src: copy backwards */
|
|
o1 += c - 1;
|
|
o2 += c - 1;
|
|
while (c--) {
|
|
bus_space_write_2(t, h2, o2,
|
|
bus_space_read_2(t, h1, o1));
|
|
o1 -= 2;
|
|
o2 -= 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_4(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
|
|
if ((h1 + o1) >= (h2 + o2)) { /* src after dest: copy forward */
|
|
while (c--) {
|
|
bus_space_write_4(t, h2, o2,
|
|
bus_space_read_4(t, h1, o1));
|
|
o1 += 4;
|
|
o2 += 4;
|
|
}
|
|
} else { /* dest after src: copy backwards */
|
|
o1 += c - 1;
|
|
o2 += c - 1;
|
|
while (c--) {
|
|
bus_space_write_4(t, h2, o2,
|
|
bus_space_read_4(t, h1, o1));
|
|
o1 -= 4;
|
|
o2 -= 4;
|
|
}
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_8(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
|
|
if ((h1 + o1) >= (h2 + o2)) { /* src after dest: copy forward */
|
|
while (c--) {
|
|
bus_space_write_8(t, h2, o2,
|
|
bus_space_read_8(t, h1, o1));
|
|
o1 += 8;
|
|
o2 += 8;
|
|
}
|
|
} else { /* dest after src: copy backwards */
|
|
o1 += c - 1;
|
|
o2 += c - 1;
|
|
while (c--) {
|
|
bus_space_write_8(t, h2, o2,
|
|
bus_space_read_8(t, h1, o1));
|
|
o1 -= 8;
|
|
o2 -= 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Bus read/write barrier methods.
|
|
*
|
|
* void bus_space_barrier(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* bus_size_t len, int flags);
|
|
*/
|
|
static __inline void bus_space_barrier(bus_space_tag_t, bus_space_handle_t,
|
|
bus_size_t, bus_size_t, int);
|
|
/*ARGSUSED*/
|
|
static __inline void
|
|
bus_space_barrier(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
bus_size_t l, int f)
|
|
{
|
|
|
|
__asm __volatile("synco");
|
|
}
|
|
#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
|
|
#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
|
|
|
|
/*
|
|
* int bus_space_peek_N(bus_space_tag_t tag, bus_space_handle_t handle,
|
|
* bus_size_t offset, u_intN_t *datap)
|
|
*/
|
|
#define bus_space_peek_1(t,h,o,vp) \
|
|
(*(t)->bs_peek_1)((t)->bs_cookie, (h), (o), (vp))
|
|
#define bus_space_peek_2(t,h,o,vp) \
|
|
(*(t)->bs_peek_2)((t)->bs_cookie, (h), (o), (vp))
|
|
#define bus_space_peek_4(t,h,o,vp) \
|
|
(*(t)->bs_peek_4)((t)->bs_cookie, (h), (o), (vp))
|
|
#define bus_space_peek_8(t,h,o,vp) \
|
|
(*(t)->bs_peek_8)((t)->bs_cookie, (h), (o), (vp))
|
|
|
|
/*
|
|
* int bus_space_poke_N(bus_space_tag_t tag, bus_space_handle_t handle,
|
|
* bus_size_t offset, u_intN_t data)
|
|
*/
|
|
#define bus_space_poke_1(t,h,o,v) \
|
|
(*(t)->bs_poke_1)((t)->bs_cookie, (h), (o), (v))
|
|
#define bus_space_poke_2(t,h,o,v) \
|
|
(*(t)->bs_poke_2)((t)->bs_cookie, (h), (o), (v))
|
|
#define bus_space_poke_4(t,h,o,v) \
|
|
(*(t)->bs_poke_4)((t)->bs_cookie, (h), (o), (v))
|
|
#define bus_space_poke_8(t,h,o,v) \
|
|
(*(t)->bs_poke_8)((t)->bs_cookie, (h), (o), (v))
|
|
|
|
|
|
/*
|
|
* Bus DMA Methods
|
|
*/
|
|
|
|
/*
|
|
* 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 */
|
|
|
|
/* 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 */
|
|
|
|
struct sh5_bus_dma_tag;
|
|
struct sh5_bus_dmamap;
|
|
typedef const struct sh5_bus_dma_tag *bus_dma_tag_t;
|
|
typedef struct sh5_bus_dmamap *bus_dmamap_t;
|
|
|
|
/*
|
|
* bus_dma_segment_t
|
|
*
|
|
* Describes a single contiguous DMA transaction. Values
|
|
* are suitable for programming into DMA registers.
|
|
*/
|
|
struct sh5_bus_dma_segment {
|
|
bus_addr_t ds_addr; /* DMA address */
|
|
bus_size_t ds_len; /* length of transfer */
|
|
|
|
/* Internal Use only */
|
|
bus_addr_t _ds_cpuaddr; /* CPU address */
|
|
vaddr_t _ds_vaddr; /* VA of seg */
|
|
int _ds_flags;
|
|
};
|
|
typedef struct sh5_bus_dma_segment bus_dma_segment_t;
|
|
|
|
/*
|
|
* bus_dma_tag_t
|
|
*
|
|
* A machine-dependent opaque type describing the implementation of
|
|
* DMA for a given bus.
|
|
*/
|
|
struct sh5_bus_dma_tag {
|
|
void *bd_cookie; /* cookie used in the guts */
|
|
|
|
/*
|
|
* DMA mapping methods.
|
|
*/
|
|
int (*bd_dmamap_create)(void *, bus_size_t, int,
|
|
bus_size_t, bus_size_t, int, bus_dmamap_t *);
|
|
void (*bd_dmamap_destroy)(void *, bus_dmamap_t);
|
|
int (*bd_dmamap_load)(void *, bus_dmamap_t, void *,
|
|
bus_size_t, struct proc *, int);
|
|
int (*bd_dmamap_load_mbuf)(void *, bus_dmamap_t,
|
|
struct mbuf *, int);
|
|
int (*bd_dmamap_load_uio)(void *, bus_dmamap_t,
|
|
struct uio *, int);
|
|
int (*bd_dmamap_load_raw)(void *, bus_dmamap_t,
|
|
bus_dma_segment_t *, int, bus_size_t, int);
|
|
void (*bd_dmamap_unload)(void *, bus_dmamap_t);
|
|
void (*bd_dmamap_sync)(void *, bus_dmamap_t,
|
|
bus_addr_t, bus_size_t, int);
|
|
|
|
/*
|
|
* DMA memory utility functions.
|
|
*/
|
|
int (*bd_dmamem_alloc)(void *, bus_size_t, bus_size_t,
|
|
bus_size_t, bus_dma_segment_t *, int, int *, int);
|
|
void (*bd_dmamem_free)(void *, bus_dma_segment_t *, int);
|
|
int (*bd_dmamem_map)(void *, bus_dma_segment_t *,
|
|
int, size_t, caddr_t *, int);
|
|
void (*bd_dmamem_unmap)(void *, caddr_t, size_t);
|
|
paddr_t (*bd_dmamem_mmap)(void *, bus_dma_segment_t *,
|
|
int, off_t, int, int);
|
|
};
|
|
|
|
|
|
#define bus_dmamap_create(t, s, n, m, b, f, p) \
|
|
(*(t)->bd_dmamap_create)((t)->bd_cookie, (s), (n), (m), (b), (f), (p))
|
|
#define bus_dmamap_destroy(t, p) \
|
|
(*(t)->bd_dmamap_destroy)((t)->bd_cookie, (p))
|
|
#define bus_dmamap_load(t, m, b, s, p, f) \
|
|
(*(t)->bd_dmamap_load)((t)->bd_cookie, (m), (b), (s), (p), (f))
|
|
#define bus_dmamap_load_mbuf(t, m, b, f) \
|
|
(*(t)->bd_dmamap_load_mbuf)((t)->bd_cookie, (m), (b), (f))
|
|
#define bus_dmamap_load_uio(t, m, u, f) \
|
|
(*(t)->bd_dmamap_load_uio)((t)->bd_cookie, (m), (u), (f))
|
|
#define bus_dmamap_load_raw(t, m, sg, n, s, f) \
|
|
(*(t)->bd_dmamap_load_raw)((t)->bd_cookie, (m), (sg), (n), (s), (f))
|
|
#define bus_dmamap_unload(t, p) \
|
|
(*(t)->bd_dmamap_unload)((t)->bd_cookie, (p))
|
|
#define bus_dmamap_sync(t, p, o, l, ops) \
|
|
(*(t)->bd_dmamap_sync)((t)->bd_cookie, (p), (o), (l), (ops))
|
|
#define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \
|
|
(*(t)->bd_dmamem_alloc)((t)->bd_cookie, (s), (a), (b),(sg),(n),(r),(f))
|
|
#define bus_dmamem_free(t, sg, n) \
|
|
(*(t)->bd_dmamem_free)((t)->bd_cookie, (sg), (n))
|
|
#define bus_dmamem_map(t, sg, n, s, k, f) \
|
|
(*(t)->bd_dmamem_map)((t)->bd_cookie, (sg), (n), (s), (k), (f))
|
|
#define bus_dmamem_unmap(t, k, s) \
|
|
(*(t)->bd_dmamem_unmap)((t)->bd_cookie, (k), (s))
|
|
#define bus_dmamem_mmap(t, sg, n, o, p, f) \
|
|
(*(t)->bd_dmamem_mmap)((t)->bd_cookie, (sg), (n), (o), (p), (f))
|
|
|
|
/*
|
|
* bus_dmamap_t
|
|
*
|
|
* Describes a DMA mapping.
|
|
*/
|
|
struct sh5_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_cookie; /* Bus-specific cookie */
|
|
|
|
/*
|
|
* 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 */
|
|
};
|
|
|
|
/* Internal use only */
|
|
extern const struct sh5_bus_space_tag _sh5_bus_space_tag;
|
|
extern const struct sh5_bus_dma_tag _sh5_bus_dma_tag;
|
|
|
|
#endif /* _SH5_BUS_H_ */
|