Annotation of sys/arch/arm/include/isa_machdep.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: isa_machdep.h,v 1.3 2006/02/12 19:55:39 miod Exp $ */
! 2: /* $NetBSD: isa_machdep.h,v 1.3 2002/01/07 22:58:07 chris Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
! 10: * NASA Ames Research Center.
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: * 3. All advertising materials mentioning features or use of this software
! 21: * must display the following acknowledgement:
! 22: * This product includes software developed by the NetBSD
! 23: * Foundation, Inc. and its contributors.
! 24: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 25: * contributors may be used to endorse or promote products derived
! 26: * from this software without specific prior written permission.
! 27: *
! 28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 38: * POSSIBILITY OF SUCH DAMAGE.
! 39: */
! 40:
! 41: #ifndef _ARM32_ISA_MACHDEP_H_
! 42: #define _ARM32_ISA_MACHDEP_H_
! 43:
! 44: #include <machine/bus.h>
! 45: #include <dev/isa/isadmavar.h>
! 46:
! 47: #define __NO_ISA_INTR_CHECK
! 48: /*
! 49: * Types provided to machine-independent ISA code.
! 50: */
! 51: struct arm32_isa_chipset {
! 52: /*
! 53: struct isa_dma_state ic_dmastate;
! 54: */
! 55: };
! 56:
! 57: typedef struct arm32_isa_chipset *isa_chipset_tag_t;
! 58:
! 59: struct device; /* XXX */
! 60: struct isabus_attach_args; /* XXX */
! 61:
! 62: /*
! 63: * Functions provided to machine-independent ISA code.
! 64: */
! 65: void isa_attach_hook(struct device *, struct device *,
! 66: struct isabus_attach_args *);
! 67: void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
! 68: int level, int (*ih_fun)(void *), void *ih_arg, char *name);
! 69: void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
! 70:
! 71: #if 0
! 72: #define isa_dmainit(ic, bst, dmat, d) \
! 73: _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
! 74: #define isa_dmacascade(ic, c) \
! 75: _isa_dmacascade(&(ic)->ic_dmastate, (c))
! 76: #define isa_dmamaxsize(ic, c) \
! 77: _isa_dmamaxsize(&(ic)->ic_dmastate, (c))
! 78: #define isa_dmamap_create(ic, c, s, f) \
! 79: _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
! 80: #define isa_dmamap_destroy(ic, c) \
! 81: _isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
! 82: #define isa_dmastart(ic, c, a, n, p, f, bf) \
! 83: _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
! 84: #define isa_dmaabort(ic, c) \
! 85: _isa_dmaabort(&(ic)->ic_dmastate, (c))
! 86: #define isa_dmacount(ic, c) \
! 87: _isa_dmacount(&(ic)->ic_dmastate, (c))
! 88: #define isa_dmafinished(ic, c) \
! 89: _isa_dmafinished(&(ic)->ic_dmastate, (c))
! 90: #define isa_dmadone(ic, c) \
! 91: _isa_dmadone(&(ic)->ic_dmastate, (c))
! 92: #define isa_dmafreeze(ic) \
! 93: _isa_dmafreeze(&(ic)->ic_dmastate)
! 94: #define isa_dmathaw(ic) \
! 95: _isa_dmathaw(&(ic)->ic_dmastate)
! 96: #define isa_dmamem_alloc(ic, c, s, ap, f) \
! 97: _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
! 98: #define isa_dmamem_free(ic, c, a, s) \
! 99: _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
! 100: #define isa_dmamem_map(ic, c, a, s, kp, f) \
! 101: _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
! 102: #define isa_dmamem_unmap(ic, c, k, s) \
! 103: _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
! 104: #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \
! 105: _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
! 106: #define isa_drq_alloc(ic, c) \
! 107: _isa_drq_alloc(&(ic)->ic_dmastate, c)
! 108: #define isa_drq_free(ic, c) \
! 109: _isa_drq_free(&(ic)->ic_dmastate, c)
! 110: #define isa_drq_isfree(ic, c) \
! 111: _isa_drq_isfree(&(ic)->ic_dmastate, (c))
! 112: #define isa_malloc(ic, c, s, p, f) \
! 113: _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
! 114: #define isa_free(a, p) \
! 115: _isa_free((a), (p))
! 116: #define isa_mappage(m, o, p) \
! 117: _isa_mappage((m), (o), (p))
! 118: #endif
! 119:
! 120: /*
! 121: * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED
! 122: * BY PORTABLE CODE.
! 123: */
! 124:
! 125: extern struct arm32_bus_dma_tag isa_bus_dma_tag;
! 126:
! 127: /*
! 128: * Cookie used by ISA DMA. A pointer to one of these is stashed in
! 129: * the DMA map.
! 130: */
! 131: struct arm32_isa_dma_cookie {
! 132: int id_flags; /* flags; see below */
! 133:
! 134: /*
! 135: * Information about the original buffer used during
! 136: * DMA map syncs. Note that origbuflen is only used
! 137: * for ID_BUFTYPE_LINEAR.
! 138: */
! 139: void *id_origbuf; /* pointer to orig buffer if
! 140: bouncing */
! 141: bus_size_t id_origbuflen; /* ...and size */
! 142: int id_buftype; /* type of buffer */
! 143:
! 144: void *id_bouncebuf; /* pointer to the bounce buffer */
! 145: bus_size_t id_bouncebuflen; /* ...and size */
! 146: int id_nbouncesegs; /* number of valid bounce segs */
! 147: bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer
! 148: physical memory segments */
! 149: };
! 150:
! 151: /* id_flags */
! 152: #define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */
! 153: #define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */
! 154: #define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */
! 155:
! 156: /* id_buftype */
! 157: #define ID_BUFTYPE_INVALID 0
! 158: #define ID_BUFTYPE_LINEAR 1
! 159: #define ID_BUFTYPE_MBUF 2
! 160: #define ID_BUFTYPE_UIO 3
! 161: #define ID_BUFTYPE_RAW 4
! 162:
! 163: /* bus space tags */
! 164: extern struct bus_space isa_io_bs_tag;
! 165: extern struct bus_space isa_mem_bs_tag;
! 166:
! 167: /* ISA chipset */
! 168: extern struct arm32_isa_chipset isa_chipset_tag;
! 169:
! 170: /* for pccons.c */
! 171: #define MONO_BASE 0x3B4
! 172: #define MONO_BUF 0x000B0000
! 173: #define CGA_BASE 0x3D4
! 174: #define CGA_BUF 0x000B8000
! 175: #define VGA_BUF 0xA0000
! 176: #define VGA_BUF_LEN (0xBFFFF - 0xA0000)
! 177:
! 178: void isa_init(vaddr_t, vaddr_t);
! 179: void isa_io_init(vaddr_t, vaddr_t);
! 180: void isa_dma_init(void);
! 181: vaddr_t isa_io_data_vaddr(void);
! 182: vaddr_t isa_mem_data_vaddr(void);
! 183: int isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq);
! 184: void isa_intr_init(void);
! 185:
! 186: /*
! 187: * Miscellanous functions.
! 188: */
! 189: void isa_fillw(u_int val, void *addr, size_t len);
! 190:
! 191: #endif /* _ARM32_ISA_MACHDEP_H_ XXX */
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