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Diffstat (limited to 'arch/sparc/include/asm/ebus_64.h')
-rw-r--r--arch/sparc/include/asm/ebus_64.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/ebus_64.h b/arch/sparc/include/asm/ebus_64.h
new file mode 100644
index 00000000000..fcc62b97ced
--- /dev/null
+++ b/arch/sparc/include/asm/ebus_64.h
@@ -0,0 +1,94 @@
+/*
+ * ebus.h: PCI to Ebus pseudo driver software state.
+ *
+ * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
+ * Copyright (C) 1999 David S. Miller (davem@redhat.com)
+ */
+
+#ifndef __SPARC64_EBUS_H
+#define __SPARC64_EBUS_H
+
+#include <asm/oplib.h>
+#include <asm/prom.h>
+#include <asm/of_device.h>
+
+struct linux_ebus_child {
+ struct linux_ebus_child *next;
+ struct linux_ebus_device *parent;
+ struct linux_ebus *bus;
+ struct device_node *prom_node;
+ struct resource resource[PROMREG_MAX];
+ int num_addrs;
+ unsigned int irqs[PROMINTR_MAX];
+ int num_irqs;
+};
+
+struct linux_ebus_device {
+ struct of_device ofdev;
+ struct linux_ebus_device *next;
+ struct linux_ebus_child *children;
+ struct linux_ebus *bus;
+ struct device_node *prom_node;
+ struct resource resource[PROMREG_MAX];
+ int num_addrs;
+ unsigned int irqs[PROMINTR_MAX];
+ int num_irqs;
+};
+#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
+
+struct linux_ebus {
+ struct of_device ofdev;
+ struct linux_ebus *next;
+ struct linux_ebus_device *devices;
+ struct pci_dev *self;
+ int index;
+ int is_rio;
+ struct device_node *prom_node;
+};
+#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
+
+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);
+
+extern struct linux_ebus *ebus_chain;
+
+extern void ebus_init(void);
+
+#define for_each_ebus(bus) \
+ for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
+
+#define for_each_ebusdev(dev, bus) \
+ for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
+
+#define for_each_edevchild(dev, child) \
+ for((child) = (dev)->children; (child); (child) = (child)->next)
+
+#endif /* !(__SPARC64_EBUS_H) */