d88cf589cb
isa_dmamap_create() calls to their open/close entrypoints. This worked with some luck, but broke on i386 when _bus_dmamap_create started to allocate bounce buffers upfront, since memory below 16M may well not be available when the sound devices is opened for the Nth time. To fix this, create a new simple interface, isa_drq_alloc/isa_drq_free, wrappers around already existing bitmask macros. These are expected to be used before an isa_dmamap_create call, and after an isa_dmamap_destroy call, respectively. For the sb and ad1848 drivers, they're deferred until open/close. All isa_dmamap_create calls can now use BUS_DMA_ALLOCNOW and be done at attach time.
107 lines
4.6 KiB
C
107 lines
4.6 KiB
C
/* $NetBSD: isa_machdep.h,v 1.6 2003/05/09 23:51:27 fvdl Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by UCHIYAMA Yasushi.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <dev/isa/isadmavar.h>
|
|
|
|
struct hpcmips_isa_chipset {
|
|
struct isa_dma_state ic_dmastate;
|
|
void *ic_sc;
|
|
};
|
|
typedef struct hpcmips_isa_chipset *isa_chipset_tag_t;
|
|
|
|
#define VR_ISA_PORT_BASE 0x14000000
|
|
#define VR_ISA_PORT_SIZE 0x4000000
|
|
#define VR_ISA_MEM_BASE 0x10000000
|
|
#define VR_ISA_MEM_SIZE 0x4000000
|
|
|
|
/*
|
|
* Functions provided to machine-independent ISA code.
|
|
*/
|
|
void isa_attach_hook(struct device*, struct device*, struct isabus_attach_args*);
|
|
int isa_intr_alloc(isa_chipset_tag_t, int, int, int*);
|
|
const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
|
|
void *isa_intr_establish(isa_chipset_tag_t, int, int, int, int (*)(void *), void*);
|
|
void isa_intr_disestablish(isa_chipset_tag_t, void*);
|
|
|
|
#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))
|