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authorDavid Vrabel <david.vrabel@csr.com>2008-10-20 17:07:19 +0200
committerDavid Vrabel <david.vrabel@csr.com>2008-10-20 17:07:19 +0200
commit61e0e79ee3c609eb34edf2fe023708cba6a79b1f (patch)
tree663deacffd4071120dc9badb70428fe5f124c7b9 /arch/sparc/include/asm/ebus_dma.h
parentuwb: wrong sizeof argument in mac address compare (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 (diff)
downloadlinux-61e0e79ee3c609eb34edf2fe023708cba6a79b1f.tar.xz
linux-61e0e79ee3c609eb34edf2fe023708cba6a79b1f.zip
Merge branch 'master' into for-upstream
Conflicts: Documentation/ABI/testing/sysfs-bus-usb drivers/Makefile
Diffstat (limited to 'arch/sparc/include/asm/ebus_dma.h')
-rw-r--r--arch/sparc/include/asm/ebus_dma.h35
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 000000000000..f07a5b541c98
--- /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 */