155 lines
5.6 KiB
C
155 lines
5.6 KiB
C
/* $NetBSD: mvmebus.h,v 1.4 2012/10/27 17:18:27 chs 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.
|
|
*
|
|
* 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 {
|
|
device_t 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 */
|