diff options
Diffstat (limited to 'sys/arch/arm/include/isa_machdep.h')
| -rw-r--r-- | sys/arch/arm/include/isa_machdep.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/sys/arch/arm/include/isa_machdep.h b/sys/arch/arm/include/isa_machdep.h new file mode 100644 index 00000000000..97e2c1171c8 --- /dev/null +++ b/sys/arch/arm/include/isa_machdep.h @@ -0,0 +1,193 @@ +/* $OpenBSD: isa_machdep.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */ +/* $NetBSD: isa_machdep.h,v 1.3 2002/01/07 22:58:07 chris Exp $ */ + +/*- + * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, + * NASA Ames Research Center. + * + * 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 _ARM32_ISA_MACHDEP_H_ +#define _ARM32_ISA_MACHDEP_H_ + +#include <machine/bus.h> +#include <dev/isa/isadmavar.h> + +#define __NO_ISA_INTR_CHECK +/* + * Types provided to machine-independent ISA code. + */ +struct arm32_isa_chipset { + /* + struct isa_dma_state ic_dmastate; + */ +}; + +typedef struct arm32_isa_chipset *isa_chipset_tag_t; + +struct device; /* XXX */ +struct isabus_attach_args; /* XXX */ + +/* + * Functions provided to machine-independent ISA code. + */ +void isa_attach_hook(struct device *, struct device *, + struct isabus_attach_args *); +const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq); +void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, + int level, int (*ih_fun)(void *), void *ih_arg, char *name); +void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler); + +#if 0 +#define isa_dmainit(ic, bst, dmat, d) \ + _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) +#define isa_dmacascade(ic, c) \ + _isa_dmacascade(&(ic)->ic_dmastate, (c)) +#define isa_dmamaxsize(ic, c) \ + _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) +#define isa_dmamap_create(ic, c, s, f) \ + _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) +#define isa_dmamap_destroy(ic, c) \ + _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) +#define isa_dmastart(ic, c, a, n, p, f, bf) \ + _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) +#define isa_dmaabort(ic, c) \ + _isa_dmaabort(&(ic)->ic_dmastate, (c)) +#define isa_dmacount(ic, c) \ + _isa_dmacount(&(ic)->ic_dmastate, (c)) +#define isa_dmafinished(ic, c) \ + _isa_dmafinished(&(ic)->ic_dmastate, (c)) +#define isa_dmadone(ic, c) \ + _isa_dmadone(&(ic)->ic_dmastate, (c)) +#define isa_dmafreeze(ic) \ + _isa_dmafreeze(&(ic)->ic_dmastate) +#define isa_dmathaw(ic) \ + _isa_dmathaw(&(ic)->ic_dmastate) +#define isa_dmamem_alloc(ic, c, s, ap, f) \ + _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) +#define isa_dmamem_free(ic, c, a, s) \ + _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) +#define isa_dmamem_map(ic, c, a, s, kp, f) \ + _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) +#define isa_dmamem_unmap(ic, c, k, s) \ + _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) +#define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ + _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) +#define isa_drq_alloc(ic, c) \ + _isa_drq_alloc(&(ic)->ic_dmastate, c) +#define isa_drq_free(ic, c) \ + _isa_drq_free(&(ic)->ic_dmastate, c) +#define isa_drq_isfree(ic, c) \ + _isa_drq_isfree(&(ic)->ic_dmastate, (c)) +#define isa_malloc(ic, c, s, p, f) \ + _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) +#define isa_free(a, p) \ + _isa_free((a), (p)) +#define isa_mappage(m, o, p) \ + _isa_mappage((m), (o), (p)) +#endif + +/* + * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED + * BY PORTABLE CODE. + */ + +extern struct arm32_bus_dma_tag isa_bus_dma_tag; + +/* + * Cookie used by ISA DMA. A pointer to one of these is stashed in + * the DMA map. + */ +struct arm32_isa_dma_cookie { + int id_flags; /* flags; see below */ + + /* + * Information about the original buffer used during + * DMA map syncs. Note that origbuflen is only used + * for ID_BUFTYPE_LINEAR. + */ + void *id_origbuf; /* pointer to orig buffer if + bouncing */ + bus_size_t id_origbuflen; /* ...and size */ + int id_buftype; /* type of buffer */ + + void *id_bouncebuf; /* pointer to the bounce buffer */ + bus_size_t id_bouncebuflen; /* ...and size */ + int id_nbouncesegs; /* number of valid bounce segs */ + bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer + physical memory segments */ +}; + +/* id_flags */ +#define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */ +#define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */ +#define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */ + +/* id_buftype */ +#define ID_BUFTYPE_INVALID 0 +#define ID_BUFTYPE_LINEAR 1 +#define ID_BUFTYPE_MBUF 2 +#define ID_BUFTYPE_UIO 3 +#define ID_BUFTYPE_RAW 4 + +/* bus space tags */ +extern struct bus_space isa_io_bs_tag; +extern struct bus_space isa_mem_bs_tag; + +/* ISA chipset */ +extern struct arm32_isa_chipset isa_chipset_tag; + +/* for pccons.c */ +#define MONO_BASE 0x3B4 +#define MONO_BUF 0x000B0000 +#define CGA_BASE 0x3D4 +#define CGA_BUF 0x000B8000 +#define VGA_BUF 0xA0000 +#define VGA_BUF_LEN (0xBFFFF - 0xA0000) + +void isa_init(vaddr_t, vaddr_t); +void isa_io_init(vaddr_t, vaddr_t); +void isa_dma_init(void); +vaddr_t isa_io_data_vaddr(void); +vaddr_t isa_mem_data_vaddr(void); +int isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq); +void isa_intr_init(void); + +/* + * Miscellanous functions. + */ +void sysbeep(int, int); /* beep with the system speaker */ +void isa_fillw(u_int val, void *addr, size_t len); + +#endif /* _ARM32_ISA_MACHDEP_H_ XXX */ |