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-rw-r--r--include/linux/amba/bus.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
new file mode 100644
index 00000000000..51e6e54b2aa
--- /dev/null
+++ b/include/linux/amba/bus.h
@@ -0,0 +1,55 @@
+/*
+ * linux/include/asm-arm/hardware/amba.h
+ *
+ * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef ASMARM_AMBA_H
+#define ASMARM_AMBA_H
+
+#define AMBA_NR_IRQS 2
+
+struct amba_device {
+ struct device dev;
+ struct resource res;
+ u64 dma_mask;
+ unsigned int periphid;
+ unsigned int irq[AMBA_NR_IRQS];
+};
+
+struct amba_id {
+ unsigned int id;
+ unsigned int mask;
+ void *data;
+};
+
+struct amba_driver {
+ struct device_driver drv;
+ int (*probe)(struct amba_device *, void *);
+ int (*remove)(struct amba_device *);
+ void (*shutdown)(struct amba_device *);
+ int (*suspend)(struct amba_device *, pm_message_t);
+ int (*resume)(struct amba_device *);
+ struct amba_id *id_table;
+};
+
+#define amba_get_drvdata(d) dev_get_drvdata(&d->dev)
+#define amba_set_drvdata(d,p) dev_set_drvdata(&d->dev, p)
+
+int amba_driver_register(struct amba_driver *);
+void amba_driver_unregister(struct amba_driver *);
+int amba_device_register(struct amba_device *, struct resource *);
+void amba_device_unregister(struct amba_device *);
+struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int);
+int amba_request_regions(struct amba_device *, const char *);
+void amba_release_regions(struct amba_device *);
+
+#define amba_config(d) (((d)->periphid >> 24) & 0xff)
+#define amba_rev(d) (((d)->periphid >> 20) & 0x0f)
+#define amba_manf(d) (((d)->periphid >> 12) & 0xff)
+#define amba_part(d) ((d)->periphid & 0xfff)
+
+#endif