9c745dbd5e
These changes add support for: o The MI VMEbus framework on both MVME147 and MVME167. o Enhancements to the existing MD bus_space(9) implementation. o Most of the bus_dma(9) API.
108 lines
3.9 KiB
C
108 lines
3.9 KiB
C
/* $NetBSD: vme_twovar.h,v 1.2 2000/03/18 22:33:04 scw Exp $ */
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/*-
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* Copyright (c) 1999 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 Steve C. Woodford.
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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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#ifndef _MVME68K_VME_TWOVAR_H
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#define _MVME68K_VME_TWOVAR_H
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struct vmetwo_range {
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vme_am_t vr_am;
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vme_datasize_t vr_datasize;
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paddr_t vr_locstart;
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paddr_t vr_mask;
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vme_addr_t vr_vmestart;
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vme_addr_t vr_vmeend;
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};
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#define VME2_AM_DISABLED ((vme_am_t)-1)
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#define VME2_RANGE_FIXED_A16 0
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#define VME2_RANGE_FIXED_A24 1
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#define VME2_RANGE_FIXED_A32 2
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#define VME2_RANGE_PROG_START 3
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#define VME2_NRANGES (VME2_RANGE_PROG_START + VME2_MASTER_WINDOWS)
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struct vmetwo_softc {
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struct device sc_dev;
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bus_space_tag_t sc_bust;
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bus_space_handle_t sc_lcrh;
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bus_space_handle_t sc_gcrh;
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bus_dma_tag_t sc_dmat;
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bus_space_tag_t sc_vmet;
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short sc_irqref[8];
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struct vmetwo_range sc_ranges[VME2_NRANGES];
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struct vme_chipset_tag sc_vct;
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};
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struct vmetwo_mapresc_t {
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bus_space_handle_t pm_handle;
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bus_addr_t pm_addr;
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bus_size_t pm_size;
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vme_am_t pm_am;
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vme_datasize_t pm_datasize;
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int pm_range;
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};
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int _vmetwo_map __P((void *, vme_addr_t, vme_size_t, vme_am_t, vme_datasize_t,
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vme_swap_t, bus_space_tag_t *, bus_space_handle_t *, vme_mapresc_t *));
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void _vmetwo_unmap __P((void *, vme_mapresc_t));
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int _vmetwo_probe __P((void *, vme_addr_t, vme_size_t, vme_am_t,vme_datasize_t,
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int (*)(void *, bus_space_tag_t, bus_space_handle_t), void *));
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int _vmetwo_intmap __P((void *, int, int, vme_intr_handle_t *));
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void *_vmetwo_intr_establish __P((void *, vme_intr_handle_t, int,
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int (*)(void *), void *));
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void _vmetwo_intr_disestablish __P((void *, vme_intr_handle_t));
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int _vmetwo_dmamap_create __P((void *, vme_size_t, vme_am_t, vme_datasize_t,
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vme_swap_t, int, vme_size_t, vme_addr_t, int, bus_dmamap_t *));
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void _vmetwo_dmamap_destroy __P((void *, bus_dmamap_t));
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int _vmetwo_dmamem_alloc __P((void *, vme_size_t, vme_am_t, vme_datasize_t,
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vme_swap_t, bus_dma_segment_t *, int, int *, int));
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void _vmetwo_dmamem_free __P((void *, bus_dma_segment_t *, int));
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#endif /* _MVME68K_VME_TWOVAR_H */
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