diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2008-10-17 09:20:26 -0700 |
|---|---|---|
| committer | Arjan van de Ven <arjan@linux.intel.com> | 2008-10-17 09:20:26 -0700 |
| commit | 651dab4264e4ba0e563f5ff56f748127246e9065 (patch) | |
| tree | 016630974bdcb00fe529b673f96d389e0fd6dc94 /arch/sparc/include/asm/ebus_dma.h | |
| parent | 40b8606253552109815786e5d4b0de98782d31f5 (diff) | |
| parent | 2e532d68a2b3e2aa6b19731501222069735c741c (diff) | |
Merge commit 'linus/master' into merge-linus
Conflicts:
arch/x86/kvm/i8254.c
Diffstat (limited to 'arch/sparc/include/asm/ebus_dma.h')
| -rw-r--r-- | arch/sparc/include/asm/ebus_dma.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/ebus_dma.h b/arch/sparc/include/asm/ebus_dma.h new file mode 100644 index 00000000000..f07a5b541c9 --- /dev/null +++ b/arch/sparc/include/asm/ebus_dma.h @@ -0,0 +1,35 @@ +#ifndef __ASM_SPARC_EBUS_DMA_H +#define __ASM_SPARC_EBUS_DMA_H + +struct ebus_dma_info { + spinlock_t lock; + void __iomem *regs; + + unsigned int flags; +#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001 +#define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002 + + /* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is + * set. + */ + void (*callback)(struct ebus_dma_info *p, int event, void *cookie); + void *client_cookie; + unsigned int irq; +#define EBUS_DMA_EVENT_ERROR 1 +#define EBUS_DMA_EVENT_DMA 2 +#define EBUS_DMA_EVENT_DEVICE 4 + + unsigned char name[64]; +}; + +extern int ebus_dma_register(struct ebus_dma_info *p); +extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on); +extern void ebus_dma_unregister(struct ebus_dma_info *p); +extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr, + size_t len); +extern void ebus_dma_prepare(struct ebus_dma_info *p, int write); +extern unsigned int ebus_dma_residue(struct ebus_dma_info *p); +extern unsigned int ebus_dma_addr(struct ebus_dma_info *p); +extern void ebus_dma_enable(struct ebus_dma_info *p, int on); + +#endif /* __ASM_SPARC_EBUS_DMA_H */ |