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work from JiSheng Zhang : firewire and ohci modules from FreeBSD current, update for fw_raw and fw_control. Thanks!

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22124 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval
2007-08-30 21:59:49 +00:00
parent 68f2081497
commit bb5ea4eb08
27 changed files with 7725 additions and 98 deletions
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headers/private/firewire/fwdma.h
+9 -13
View File
@@ -36,21 +36,13 @@
#ifndef _FWDMA_H
#define _FWDMA_H
#ifndef howmany
#define howmany(x, y) (((x)+((y)-1))/(y)) // x/y的上界
#endif
#define rounddown(x, y) (((x)/(y))*(y)) // 比x小，y的最大的倍数
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */ // 比x大，y的最小倍数
#define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */
#define powerof2(x) ((((x)-1)&(x))==0) // 是否是2的次方
#include "fwglue.h"
typedef uint32_t bus_addr_t;
typedef uint32_t bus_size_t;
struct fwdma_alloc {
// bus_dma_tag_t dma_tag;
// bus_dmamap_t dma_map;
area_id BufArea;
area_id Area;
void * v_addr;
bus_addr_t bus_addr;
};
@@ -67,7 +59,7 @@ struct fwdma_alloc_multi {
bus_size_t esize;
int nseg;
// bus_dma_tag_t dma_tag;
area_id BufArea;
area_id Area;
struct fwdma_seg seg[0];
};
@@ -119,12 +111,16 @@ fwdma_sync_multiseg_all(struct fwdma_alloc_multi *am, bus_dmasync_op_t op)
bus_dmamap_sync(am->dma_tag, seg->dma_map, op);
}
void *fwdma_malloc(int, bus_size_t, struct fwdma_alloc *, int);
void fwdma_free(struct fwdma_alloc *);
void *fwdma_malloc(struct firewire_comm *, int, bus_size_t, struct fwdma_alloc *, int);
void fwdma_free(struct firewire_comm *, struct fwdma_alloc *);
void *fwdma_malloc_size(bus_dma_tag_t, bus_dmamap_t *, bus_size_t, bus_addr_t *, int);
void fwdma_free_size(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t);
struct fwdma_alloc_multi *fwdma_malloc_multiseg(struct firewire_comm *,
int, int, int, int);
#else
struct fwdma_alloc_multi *fwdma_malloc_multiseg(int, int, int);
void fwdma_free_multiseg(struct fwdma_alloc_multi *);
#endif /*__HAIKU__*/
#endif /* _FWDMA_H*/