/* $NetBSD: mvmebus.h,v 1.2 2007/03/04 06:02:15 christos Exp $ */ /*- * Copyright (c) 2000, 2002 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Steve C. Woodford. * * 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. */ #ifndef _MVME_MVMEBUS_H #define _MVME_MVMEBUS_H /* * VMEbus master and slave windows are described using * instances of this structure. * * The chip-specific code records the details of the available mappings * for the MVME board. */ struct mvmebus_range { vme_am_t vr_am; /* Address modifier (A16, A24, A32) */ vme_datasize_t vr_datasize; /* Datasize: logical OR of D8,D16,D32 */ paddr_t vr_locstart; /* CPU-relative address of mapping */ paddr_t vr_mask; /* Mask to apply to this mapping */ vme_addr_t vr_vmestart; /* VMEbus start address */ vme_addr_t vr_vmeend; /* VMEbus end address */ }; /* Assigned to vr_am to specify the mapping is not valid */ #define MVMEBUS_AM_DISABLED ((vme_am_t)-1) /* For slave mappings, these specify the slave's capabilities */ #define MVMEBUS_AM_CAP_DATA 0x0100 #define MVMEBUS_AM_CAP_PROG 0x0200 #define MVMEBUS_AM_CAP_BLK 0x0400 #define MVMEBUS_AM_CAP_BLKD64 0x0800 #define MVMEBUS_AM_CAP_USER 0x1000 #define MVMEBUS_AM_CAP_SUPER 0x2000 #define MVMEBUS_AM_HAS_CAP(x) (((x) & 0x3f00) != 0) #define MVMEBUS_AM2CAP(am) (_mvmebus_am_cap[((am) & \ (VME_AM_MODEMASK | VME_AM_PRIVMASK))]) /* * This records VMEbus-specific details of a region of bus_space_map'd * VMEbus address space. */ struct mvmebus_mapresc { bus_space_handle_t mr_handle; bus_addr_t mr_addr; bus_size_t mr_size; vme_am_t mr_am; vme_datasize_t mr_datasize; int mr_range; }; /* * This records the VMEbus-specific details of a region of phyisical * memory accessible through a VMEbus slave map. */ struct mvmebus_dmamap { vme_am_t vm_am; vme_datasize_t vm_datasize; vme_swap_t vm_swap; struct mvmebus_range *vm_slave; }; struct mvmebus_softc { struct device sc_dev; bus_space_tag_t sc_bust; bus_dma_tag_t sc_dmat; short sc_irqref[8]; void *sc_chip; int sc_nmasters; struct mvmebus_range *sc_masters; int sc_nslaves; struct mvmebus_range *sc_slaves; struct evcnt sc_evcnt[7]; void (*sc_intr_establish)(void *, int, int, int, int, int (*)(void *), void *, struct evcnt *); void (*sc_intr_disestablish)(void *, int, int, int, struct evcnt *); struct vme_chipset_tag sc_vct; struct mvme68k_bus_dma_tag sc_mvmedmat; }; void mvmebus_attach(struct mvmebus_softc *); int mvmebus_map(void *, vme_addr_t, vme_size_t, vme_am_t, vme_datasize_t, vme_swap_t, bus_space_tag_t *, bus_space_handle_t *, vme_mapresc_t *); void mvmebus_unmap(void *, vme_mapresc_t); int mvmebus_probe(void *, vme_addr_t, vme_size_t, vme_am_t, vme_datasize_t, int (*) (void *, bus_space_tag_t, bus_space_handle_t), void *arg); int mvmebus_intmap(void *, int, int, vme_intr_handle_t *); const struct evcnt *mvmebus_intr_evcnt(void *, vme_intr_handle_t); void * mvmebus_intr_establish(void *, vme_intr_handle_t, int, int (*) (void *), void *); void mvmebus_intr_disestablish(void *, vme_intr_handle_t); int mvmebus_dmamap_create(void *, vme_size_t, vme_am_t, vme_datasize_t, vme_swap_t, int, vme_size_t, vme_addr_t, int, bus_dmamap_t *); void mvmebus_dmamap_destroy(void *, bus_dmamap_t); int mvmebus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t, struct proc *, int); int mvmebus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t, struct mbuf *, int); int mvmebus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t, struct uio *, int); int mvmebus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t, bus_dma_segment_t *, int, bus_size_t, int); void mvmebus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t); void mvmebus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t, bus_size_t, int); int mvmebus_dmamem_alloc(void *, vme_size_t, vme_am_t, vme_datasize_t, vme_swap_t, bus_dma_segment_t *, int, int *, int); void mvmebus_dmamem_free(void *, bus_dma_segment_t *, int); int mvmebus_dmamem_map(bus_dma_tag_t, bus_dma_segment_t *, int, size_t, void **, int); void mvmebus_dmamem_unmap(bus_dma_tag_t, void *, size_t); paddr_t mvmebus_dmamem_mmap(bus_dma_tag_t, bus_dma_segment_t *, int, off_t, int, int); extern vme_am_t _mvmebus_am_cap[]; extern const char *mvmebus_irq_name[]; #endif /* _MVME_MVMEBUS_H */