Module Name: src
Committed By: matt
Date: Tue Sep 18 14:42:19 UTC 2012
Modified Files:
src/sys/arch/evbarm/integrator: int_bus_dma.c
Log Message:
Remove bounce buffer support since there is now generic bounce buffer support
To generate a diff of this commit:
cvs rdiff -u -r1.17 -r1.18 src/sys/arch/evbarm/integrator/int_bus_dma.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/evbarm/integrator/int_bus_dma.c
diff -u src/sys/arch/evbarm/integrator/int_bus_dma.c:1.17 src/sys/arch/evbarm/integrator/int_bus_dma.c:1.18
--- src/sys/arch/evbarm/integrator/int_bus_dma.c:1.17 Thu Nov 4 12:16:15 2010
+++ src/sys/arch/evbarm/integrator/int_bus_dma.c Tue Sep 18 14:42:19 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: int_bus_dma.c,v 1.17 2010/11/04 12:16:15 uebayasi Exp $ */
+/* $NetBSD: int_bus_dma.c,v 1.18 2012/09/18 14:42:19 matt Exp $ */
/*
* Copyright (c) 2002 Wasabi Systems, Inc.
@@ -42,7 +42,7 @@
#define _ARM32_BUS_DMA_PRIVATE
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: int_bus_dma.c,v 1.17 2010/11/04 12:16:15 uebayasi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: int_bus_dma.c,v 1.18 2012/09/18 14:42:19 matt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -56,37 +56,6 @@ __KERNEL_RCSID(0, "$NetBSD: int_bus_dma.
#include <evbarm/integrator/int_bus_dma.h>
-struct integrator_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
-
#undef DEBUG
#define DEBUG(x)
@@ -94,539 +63,6 @@ static struct arm32_dma_range integrator
extern BootConfig bootconfig;
-static int integrator_bus_dmamap_create(bus_dma_tag_t, bus_size_t, int,
- bus_size_t, bus_size_t, int, bus_dmamap_t *);
-static void integrator_bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
-static int integrator_bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
- bus_size_t, struct proc *, int);
-static int integrator_bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
- struct mbuf *, int);
-static int integrator_bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
- struct uio *, int);
-static int integrator_bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
- bus_dma_segment_t *, int, bus_size_t, int);
-static void integrator_bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
-static void integrator_bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t,
- bus_addr_t, bus_size_t, int);
-static int integrator_bus_dmamem_alloc(bus_dma_tag_t, bus_size_t,
- bus_size_t, bus_size_t, bus_dma_segment_t *, int, int *, int);
-static int integrator_dma_alloc_bouncebuf(bus_dma_tag_t, bus_dmamap_t,
- bus_size_t, int);
-static void integrator_dma_free_bouncebuf(bus_dma_tag_t, bus_dmamap_t);
-
-
-/*
- * Create an Integrator DMA map.
- */
-static int
-integrator_bus_dmamap_create(bus_dma_tag_t t, bus_size_t size, int nsegments,
- bus_size_t maxsegsz, bus_size_t boundary, int flags, bus_dmamap_t *dmamp)
-{
- struct integrator_dma_cookie *cookie;
- bus_dmamap_t map;
- int error, cookieflags;
- void *cookiestore;
- size_t cookiesize;
-
- DEBUG(printf("I_bus_dmamap_create(tag %x, size %x, nseg %d, max %x,"
- " boundary %x, flags %x, dmamap %p)\n", (unsigned) t,
- (unsigned) size, nsegments, (unsigned) maxsegsz,
- (unsigned)boundary, flags, dmamp));
-
- /* Call common function to create the basic map. */
- error = _bus_dmamap_create(t, size, nsegments, maxsegsz, boundary,
- flags, dmamp);
- if (error)
- return (error);
-
- map = *dmamp;
- map->_dm_cookie = NULL;
-
- cookiesize = sizeof(struct integrator_dma_cookie);
-
- /*
- * Some CM boards have private memory which is significantly
- * faster than the normal memory stick. To support this
- * memory we have to bounce any DMA transfers.
- *
- * In order to DMA to arbitrary buffers, we use "bounce
- * buffers" - pages in in the main PCI visible memory. On DMA
- * reads, DMA happens to the bounce buffers, and is copied
- * into the caller's buffer. On writes, data is copied into
- * but bounce buffer, and the DMA happens from those pages.
- * To software using the DMA mapping interface, this looks
- * simply like a data cache.
- *
- * If we have private RAM in the system, we may need bounce
- * buffers. We check and remember that here.
- */
-#if 0
- cookieflags = ID_MIGHT_NEED_BOUNCE;
-#else
- cookieflags = 0;
-#endif
- cookiesize += (sizeof(bus_dma_segment_t) * map->_dm_segcnt);
-
- /*
- * Allocate our cookie.
- */
- if ((cookiestore = malloc(cookiesize, M_DMAMAP,
- (flags & BUS_DMA_NOWAIT) ? M_NOWAIT : M_WAITOK)) == NULL) {
- error = ENOMEM;
- goto out;
- }
- memset(cookiestore, 0, cookiesize);
- cookie = (struct integrator_dma_cookie *)cookiestore;
- cookie->id_flags = cookieflags;
- map->_dm_cookie = cookie;
-
- if (cookieflags & ID_MIGHT_NEED_BOUNCE) {
- /*
- * Allocate the bounce pages now if the caller
- * wishes us to do so.
- */
- if ((flags & BUS_DMA_ALLOCNOW) == 0)
- goto out;
-
- DEBUG(printf("I_bus_dmamap_create bouncebuf alloc\n"));
- error = integrator_dma_alloc_bouncebuf(t, map, size, flags);
- }
-
- out:
- if (error) {
- if (map->_dm_cookie != NULL)
- free(map->_dm_cookie, M_DMAMAP);
- _bus_dmamap_destroy(t, map);
- printf("I_bus_dmamap_create failed (%d)\n", error);
- }
- return (error);
-}
-
-/*
- * Destroy an ISA DMA map.
- */
-static void
-integrator_bus_dmamap_destroy(bus_dma_tag_t t, bus_dmamap_t map)
-{
- struct integrator_dma_cookie *cookie = map->_dm_cookie;
-
- DEBUG(printf("I_bus_dmamap_destroy (tag %x, map %x)\n", (unsigned) t,
- (unsigned) map));
- /*
- * Free any bounce pages this map might hold.
- */
- if (cookie->id_flags & ID_HAS_BOUNCE) {
- DEBUG(printf("I_bus_dmamap_destroy bouncebuf\n"));
- integrator_dma_free_bouncebuf(t, map);
- }
-
- free(cookie, M_DMAMAP);
- _bus_dmamap_destroy(t, map);
-}
-
-/*
- * Load an Integrator DMA map with a linear buffer.
- */
-static int
-integrator_bus_dmamap_load(bus_dma_tag_t t, bus_dmamap_t map, void *buf,
- bus_size_t buflen, struct proc *p, int flags)
-{
- struct integrator_dma_cookie *cookie = map->_dm_cookie;
- int error;
-
- DEBUG(printf("I_bus_dmamap_load (tag %x, map %x, buf %p, len %u,"
- " proc %p, flags %d)\n", (unsigned) t, (unsigned) map, buf,
- (unsigned) buflen, p, flags));
- /*
- * Make sure that on error condition we return "no valid mappings."
- */
- map->dm_mapsize = 0;
- map->dm_nsegs = 0;
-
- /*
- * Try to load the map the normal way. If this errors out,
- * and we can bounce, we will.
- */
- error = _bus_dmamap_load(t, map, buf, buflen, p, flags);
- if (error == 0 ||
- (error != 0 && (cookie->id_flags & ID_MIGHT_NEED_BOUNCE) == 0))
- return (error);
-
- /*
- * First attempt failed; bounce it.
- */
-
- /*
- * Allocate bounce pages, if necessary.
- */
- if ((cookie->id_flags & ID_HAS_BOUNCE) == 0) {
- DEBUG(printf("I_bus_dmamap_load alloc bouncebuf\n"));
- error = integrator_dma_alloc_bouncebuf(t, map, buflen, flags);
- if (error)
- return (error);
- }
-
- /*
- * Cache a pointer to the caller's buffer and load the DMA map
- * with the bounce buffer.
- */
- cookie->id_origbuf = buf;
- cookie->id_origbuflen = buflen;
- cookie->id_buftype = ID_BUFTYPE_LINEAR;
- error = _bus_dmamap_load(t, map, cookie->id_bouncebuf, buflen,
- NULL, flags);
- if (error) {
- /*
- * Free the bounce pages, unless our resources
- * are reserved for our exclusive use.
- */
- if ((map->_dm_flags & BUS_DMA_ALLOCNOW) == 0)
- integrator_dma_free_bouncebuf(t, map);
- return (error);
- }
-
- /* ...so integrator_bus_dmamap_sync() knows we're bouncing */
- cookie->id_flags |= ID_IS_BOUNCING;
- return (0);
-}
-
-/*
- * Like integrator_bus_dmamap_load(), but for mbufs.
- */
-static int
-integrator_bus_dmamap_load_mbuf(bus_dma_tag_t t, bus_dmamap_t map,
- struct mbuf *m0, int flags)
-{
- struct integrator_dma_cookie *cookie = map->_dm_cookie;
- int error;
-
- /*
- * Make sure that on error condition we return "no valid mappings."
- */
- map->dm_mapsize = 0;
- map->dm_nsegs = 0;
-
-#ifdef DIAGNOSTIC
- if ((m0->m_flags & M_PKTHDR) == 0)
- panic("integrator_bus_dmamap_load_mbuf: no packet header");
-#endif
-
- if (m0->m_pkthdr.len > map->_dm_size)
- return (EINVAL);
-
- /*
- * Try to load the map the normal way. If this errors out,
- * and we can bounce, we will.
- */
- error = _bus_dmamap_load_mbuf(t, map, m0, flags);
- if (error == 0 ||
- (error != 0 && (cookie->id_flags & ID_MIGHT_NEED_BOUNCE) == 0))
- return (error);
-
- /*
- * First attempt failed; bounce it.
- *
- * Allocate bounce pages, if necessary.
- */
- if ((cookie->id_flags & ID_HAS_BOUNCE) == 0) {
- error = integrator_dma_alloc_bouncebuf(t, map,
- m0->m_pkthdr.len, flags);
- if (error)
- return (error);
- }
-
- /*
- * Cache a pointer to the caller's buffer and load the DMA map
- * with the bounce buffer.
- */
- cookie->id_origbuf = m0;
- cookie->id_origbuflen = m0->m_pkthdr.len; /* not really used */
- cookie->id_buftype = ID_BUFTYPE_MBUF;
- error = _bus_dmamap_load(t, map, cookie->id_bouncebuf,
- m0->m_pkthdr.len, NULL, flags);
- if (error) {
- /*
- * Free the bounce pages, unless our resources
- * are reserved for our exclusive use.
- */
- if ((map->_dm_flags & BUS_DMA_ALLOCNOW) == 0)
- integrator_dma_free_bouncebuf(t, map);
- return (error);
- }
-
- /* ...so integrator_bus_dmamap_sync() knows we're bouncing */
- cookie->id_flags |= ID_IS_BOUNCING;
- return (0);
-}
-
-/*
- * Like integrator_bus_dmamap_load(), but for uios.
- */
-static int
-integrator_bus_dmamap_load_uio(bus_dma_tag_t t, bus_dmamap_t map,
- struct uio *uio, int flags)
-{
-
- panic("integrator_bus_dmamap_load_uio: not implemented");
-}
-
-/*
- * Like intgrator_bus_dmamap_load(), but for raw memory allocated with
- * bus_dmamem_alloc().
- */
-static int
-integrator_bus_dmamap_load_raw(bus_dma_tag_t t, bus_dmamap_t map,
- bus_dma_segment_t *segs, int nsegs, bus_size_t size, int flags)
-{
-
- panic("integrator_bus_dmamap_load_raw: not implemented");
-}
-
-/*
- * Unload an Integrator DMA map.
- */
-static void
-integrator_bus_dmamap_unload(bus_dma_tag_t t, bus_dmamap_t map)
-{
- struct integrator_dma_cookie *cookie = map->_dm_cookie;
-
- /*
- * If we have bounce pages, free them, unless they're
- * reserved for our exclusive use.
- */
- if ((cookie->id_flags & ID_HAS_BOUNCE) &&
- (map->_dm_flags & BUS_DMA_ALLOCNOW) == 0)
- integrator_dma_free_bouncebuf(t, map);
-
- cookie->id_flags &= ~ID_IS_BOUNCING;
- cookie->id_buftype = ID_BUFTYPE_INVALID;
-
- /*
- * Do the generic bits of the unload.
- */
- _bus_dmamap_unload(t, map);
-}
-
-/*
- * Synchronize an Integrator DMA map.
- */
-static void
-integrator_bus_dmamap_sync(bus_dma_tag_t t, bus_dmamap_t map,
- bus_addr_t offset, bus_size_t len, int ops)
-{
- struct integrator_dma_cookie *cookie = map->_dm_cookie;
-
- DEBUG(printf("I_bus_dmamap_sync (tag %x, map %x, offset %x, size %u,"
- " ops %d\n", (unsigned)t, (unsigned)map, (unsigned)offset ,
- (unsigned)len, ops));
- /*
- * Mixing PRE and POST operations is not allowed.
- */
- if ((ops & (BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)) != 0 &&
- (ops & (BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)) != 0)
- panic("integrator_bus_dmamap_sync: mix PRE and POST");
-
-#ifdef DIAGNOSTIC
- if ((ops & (BUS_DMASYNC_PREWRITE|BUS_DMASYNC_POSTREAD)) != 0) {
- if (offset >= map->dm_mapsize)
- panic("integrator_bus_dmamap_sync: bad offset");
- if (len == 0 || (offset + len) > map->dm_mapsize)
- panic("integrator_bus_dmamap_sync: bad length");
- }
-#endif
-
- /*
- * If we're not bouncing then use the standard code.
- */
- if ((cookie->id_flags & ID_IS_BOUNCING) == 0) {
- _bus_dmamap_sync(t, map, offset, len, ops);
- return;
- }
-
- DEBUG(printf("dmamap_sync(");
- if (ops & BUS_DMASYNC_PREREAD)
- printf("preread ");
- if (ops & BUS_DMASYNC_PREWRITE)
- printf("prewrite ");
- if (ops & BUS_DMASYNC_POSTREAD)
- printf("postread ");
- if (ops & BUS_DMASYNC_POSTWRITE)
- printf("postwrite ");)
-
- switch (cookie->id_buftype) {
- case ID_BUFTYPE_LINEAR:
- if (ops & BUS_DMASYNC_PREWRITE) {
- /*
- * Copy the caller's buffer to the bounce buffer.
- */
- memcpy((uint8_t *)cookie->id_bouncebuf + offset,
- (uint8_t *)cookie->id_origbuf + offset, len);
- cpu_dcache_wbinv_range((vaddr_t)cookie->id_bouncebuf +
- offset, len);
- }
- if (ops & BUS_DMASYNC_PREREAD) {
- cpu_dcache_wbinv_range((vaddr_t)cookie->id_bouncebuf +
- offset, len);
- }
- if (ops & BUS_DMASYNC_POSTREAD) {
- /*
- * Copy the bounce buffer to the caller's buffer.
- */
- memcpy((uint8_t *)cookie->id_origbuf + offset,
- (uint8_t *)cookie->id_bouncebuf + offset, len);
- }
-
- /*
- * Nothing to do for post-write.
- */
- break;
-
- case ID_BUFTYPE_MBUF:
- {
- struct mbuf *m, *m0 = cookie->id_origbuf;
- bus_size_t minlen, moff;
-
- if (ops & BUS_DMASYNC_PREWRITE) {
- /*
- * Copy the caller's buffer to the bounce buffer.
- */
- m_copydata(m0, offset, len,
- (uint8_t *)cookie->id_bouncebuf + offset);
- cpu_dcache_wb_range((vaddr_t)cookie->id_bouncebuf +
- offset, len);
- }
- if (ops & BUS_DMASYNC_PREREAD) {
- cpu_dcache_wbinv_range ((vaddr_t)cookie->id_bouncebuf +
- offset, len);
- }
- if (ops & BUS_DMASYNC_POSTREAD) {
- /*
- * Copy the bounce buffer to the caller's buffer.
- */
- for (moff = offset, m = m0; m != NULL && len != 0;
- m = m->m_next) {
- /* Find the beginning mbuf. */
- if (moff >= m->m_len) {
- moff -= m->m_len;
- continue;
- }
-
- /*
- * Now at the first mbuf to sync; nail
- * each one until we have exhausted the
- * length.
- */
- minlen = len < m->m_len - moff ?
- len : m->m_len - moff;
-
- memcpy(mtod(m, uint8_t *) + moff,
- (uint8_t *)cookie->id_bouncebuf + offset,
- minlen);
-
- moff = 0;
- len -= minlen;
- offset += minlen;
- }
- }
- /*
- * Nothing to do for post-write.
- */
- break;
- }
-
- case ID_BUFTYPE_UIO:
- panic("integrator_bus_dmamap_sync: ID_BUFTYPE_UIO");
- break;
-
- case ID_BUFTYPE_RAW:
- panic("integrator_bus_dmamap_sync: ID_BUFTYPE_RAW");
- break;
-
- case ID_BUFTYPE_INVALID:
- panic("integrator_bus_dmamap_sync: ID_BUFTYPE_INVALID");
- break;
-
- default:
- printf("unknown buffer type %d\n", cookie->id_buftype);
- panic("integrator_bus_dmamap_sync");
- }
-}
-
-/*
- * Allocate memory safe for Integrator DMA.
- */
-static int
-integrator_bus_dmamem_alloc(bus_dma_tag_t t, bus_size_t size,
- bus_size_t alignment, bus_size_t boundary, bus_dma_segment_t *segs,
- int nsegs, int *rsegs, int flags)
-{
-
- if (t->_ranges == NULL)
- return (ENOMEM);
-
- /* _bus_dmamem_alloc() does the range checks for us. */
- return (_bus_dmamem_alloc(t, size, alignment, boundary, segs, nsegs,
- rsegs, flags));
-}
-
-/**********************************************************************
- * Integrator DMA utility functions
- **********************************************************************/
-
-static int
-integrator_dma_alloc_bouncebuf(bus_dma_tag_t t, bus_dmamap_t map,
- bus_size_t size, int flags)
-{
- struct integrator_dma_cookie *cookie = map->_dm_cookie;
- int error = 0;
-
- DEBUG(printf("Alloc bouncebuf\n"));
- cookie->id_bouncebuflen = round_page(size);
- error = integrator_bus_dmamem_alloc(t, cookie->id_bouncebuflen,
- NBPG, map->_dm_boundary, cookie->id_bouncesegs,
- map->_dm_segcnt, &cookie->id_nbouncesegs, flags);
- if (error)
- goto out;
- {
- int seg;
-
- for (seg = 0; seg < cookie->id_nbouncesegs; seg++)
- DEBUG(printf("Seg %d @ PA 0x%08x+0x%x\n", seg,
- (unsigned) cookie->id_bouncesegs[seg].ds_addr,
- (unsigned) cookie->id_bouncesegs[seg].ds_len));
- }
- error = _bus_dmamem_map(t, cookie->id_bouncesegs,
- cookie->id_nbouncesegs, cookie->id_bouncebuflen,
- (void **)&cookie->id_bouncebuf, flags);
-
- out:
- if (error) {
- _bus_dmamem_free(t, cookie->id_bouncesegs,
- cookie->id_nbouncesegs);
- cookie->id_bouncebuflen = 0;
- cookie->id_nbouncesegs = 0;
- } else {
- DEBUG(printf("Alloc bouncebuf OK\n"));
- cookie->id_flags |= ID_HAS_BOUNCE;
- }
-
- return (error);
-}
-
-static void
-integrator_dma_free_bouncebuf(bus_dma_tag_t t, bus_dmamap_t map)
-{
- struct integrator_dma_cookie *cookie = map->_dm_cookie;
-
- _bus_dmamem_unmap(t, cookie->id_bouncebuf,
- cookie->id_bouncebuflen);
- _bus_dmamem_free(t, cookie->id_bouncesegs,
- cookie->id_nbouncesegs);
- cookie->id_bouncebuflen = 0;
- cookie->id_nbouncesegs = 0;
- cookie->id_flags &= ~ID_HAS_BOUNCE;
-}
-
void
integrator_pci_dma_init(bus_dma_tag_t dmat)
{
@@ -634,7 +70,7 @@ integrator_pci_dma_init(bus_dma_tag_t dm
int i;
int nranges = 0;
- for (i = 0; i < bootconfig.dramblocks; i++)
+ for (i = 0; i < bootconfig.dramblocks; i++) {
if (bootconfig.dram[i].flags & BOOT_DRAM_CAN_DMA) {
dr[nranges].dr_sysbase = bootconfig.dram[i].address;
dr[nranges].dr_busbase =
@@ -642,6 +78,7 @@ integrator_pci_dma_init(bus_dma_tag_t dm
dr[nranges].dr_len = bootconfig.dram[i].pages * NBPG;
nranges++;
}
+ }
if (nranges == 0)
panic ("integrator_pci_dma_init: No DMA capable memory");
@@ -649,19 +86,22 @@ integrator_pci_dma_init(bus_dma_tag_t dm
dmat->_ranges = dr;
dmat->_nranges = nranges;
- dmat->_dmamap_create = integrator_bus_dmamap_create;
- dmat->_dmamap_destroy = integrator_bus_dmamap_destroy;
- dmat->_dmamap_load = integrator_bus_dmamap_load;
- dmat->_dmamap_load_mbuf = integrator_bus_dmamap_load_mbuf;
- dmat->_dmamap_load_uio = integrator_bus_dmamap_load_uio;
- dmat->_dmamap_load_raw = integrator_bus_dmamap_load_raw;
- dmat->_dmamap_unload = integrator_bus_dmamap_unload;
- dmat->_dmamap_sync_pre = integrator_bus_dmamap_sync;
- dmat->_dmamap_sync_post = integrator_bus_dmamap_sync;
+ dmat->_dmamap_create = _bus_dmamap_create;
+ dmat->_dmamap_destroy = _bus_dmamap_destroy;
+ dmat->_dmamap_load = _bus_dmamap_load;
+ dmat->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
+ dmat->_dmamap_load_uio = _bus_dmamap_load_uio;
+ dmat->_dmamap_load_raw = _bus_dmamap_load_raw;
+ dmat->_dmamap_unload = _bus_dmamap_unload;
+ dmat->_dmamap_sync_pre = _bus_dmamap_sync;
+ dmat->_dmamap_sync_post = _bus_dmamap_sync;
- dmat->_dmamem_alloc = integrator_bus_dmamem_alloc;
+ dmat->_dmamem_alloc = _bus_dmamem_alloc;
dmat->_dmamem_free = _bus_dmamem_free;
dmat->_dmamem_map = _bus_dmamem_map;
dmat->_dmamem_unmap = _bus_dmamem_unmap;
dmat->_dmamem_mmap = _bus_dmamem_mmap;
+
+ dmat->_dmatag_subregion = _bus_dmatag_subregion;
+ dmat->_dmatag_destroy = _bus_dmatag_destroy;
}
