127 lines
4.0 KiB
C
127 lines
4.0 KiB
C
/* $NetBSD: btvmeivar.h,v 1.4 2005/12/11 12:22:48 christos Exp $ */
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/*
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* Copyright (c) 1999
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* Matthias Drochner. 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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*
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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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*/
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struct b3_617_vmeintrhand {
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TAILQ_ENTRY(b3_617_vmeintrhand) ih_next;
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int (*ih_fun)(void*);
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void *ih_arg;
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int ih_level;
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int ih_vector;
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int ih_prior;
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u_long ih_count;
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};
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struct b3_617_softc {
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struct device sc_dev;
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/* tags passed in from PCI */
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pci_chipset_tag_t sc_pc;
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bus_space_tag_t csrt, mapt;
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bus_space_handle_t csrh, maph;
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bus_addr_t vmepbase; /* physical PCI address */
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bus_dma_tag_t sc_dmat;
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void *sc_ih;
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bus_space_tag_t sc_vmet;
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struct vme_range csrwindow, dmawindow24, dmawindow32;
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/* tags passed to VME devices */
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struct vme_chipset_tag sc_vct;
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/* list of VME interrupt handlers */
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TAILQ_HEAD(, b3_617_vmeintrhand) intrhdls;
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int strayintrs;
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/*
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* management of adapter mapping tables
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*/
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/* max fragmentation of scatter tables */
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#define NVMEMAP 20
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struct extent *vmeext;
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char vmemap[EXTENT_FIXED_STORAGE_SIZE(NVMEMAP)];
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};
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#define read_csr_byte(sc, reg) \
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bus_space_read_1(sc->csrt, sc->csrh, reg)
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#define write_csr_byte(sc, reg, val) \
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bus_space_write_1(sc->csrt, sc->csrh, reg, val)
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#define read_csr_word(sc, reg) \
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bus_space_read_2(sc->csrt, sc->csrh, reg)
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#define write_csr_word(sc, reg, val) \
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bus_space_write_2(sc->csrt, sc->csrh, reg, val)
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#define write_mapmem(sc, ofs, val) \
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bus_space_write_4(sc->mapt, sc->maph, ofs, val)
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#define read_mapmem(sc, ofs) \
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bus_space_read_4(sc->mapt, sc->maph, ofs)
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#define VME_PAGESIZE 0x1000
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#define PCI_PAGESIZE 0x1000
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#define DMA_PAGESIZE 0x1000
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/* shared between driver parts */
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int b3_617_reset(struct b3_617_softc*);
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int b3_617_init(struct b3_617_softc*);
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#ifdef notyet /* for detach */
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void b3_617_halt(struct b3_617_softc*);
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#endif
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int b3_617_intr(void*);
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#if 0
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void b3_617_cntlrdma_done(struct b3_617_softc*);
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#endif
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/* exported via tag structs */
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int b3_617_map_vme(void *, vme_addr_t, vme_size_t,
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vme_am_t, vme_datasize_t, vme_swap_t,
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bus_space_tag_t *, bus_space_handle_t *,
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vme_mapresc_t*);
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void b3_617_unmap_vme(void *, vme_mapresc_t);
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int b3_617_vme_probe(void *, vme_addr_t, vme_size_t, vme_am_t,
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vme_datasize_t,
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int (*)(void *, bus_space_tag_t, bus_space_handle_t),
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void *);
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int b3_617_map_vmeint(void *, int, int, vme_intr_handle_t *);
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void *b3_617_establish_vmeint(void *, vme_intr_handle_t, int,
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int (*)(void *), void *);
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void b3_617_disestablish_vmeint(void *, void *);
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int b3_617_dmamap_create(void *, vme_size_t,
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vme_am_t, vme_datasize_t, vme_swap_t,
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int, vme_size_t, vme_addr_t,
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int, bus_dmamap_t *);
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void b3_617_dmamap_destroy(void *, bus_dmamap_t);
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int b3_617_dmamem_alloc(void *, vme_size_t,
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vme_am_t, vme_datasize_t, vme_swap_t,
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bus_dma_segment_t *, int, int *, int);
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void b3_617_dmamem_free(void *, bus_dma_segment_t *, int);
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