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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /include/linux/zorro.h
Initial import
Diffstat (limited to 'include/linux/zorro.h')
-rw-r--r--include/linux/zorro.h151
1 files changed, 151 insertions, 0 deletions
diff --git a/include/linux/zorro.h b/include/linux/zorro.h
new file mode 100644
index 000000000..63fbba074
--- /dev/null
+++ b/include/linux/zorro.h
@@ -0,0 +1,151 @@
+/*
+ * linux/zorro.h -- Amiga AutoConfig (Zorro) Bus Definitions
+ *
+ * Copyright (C) 1995--2003 Geert Uytterhoeven
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _LINUX_ZORRO_H
+#define _LINUX_ZORRO_H
+
+
+#include <uapi/linux/zorro.h>
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/mod_devicetable.h>
+
+#include <asm/zorro.h>
+
+
+ /*
+ * Zorro devices
+ */
+
+struct zorro_dev {
+ struct ExpansionRom rom;
+ zorro_id id;
+ struct zorro_driver *driver; /* which driver has allocated this device */
+ struct device dev; /* Generic device interface */
+ u16 slotaddr;
+ u16 slotsize;
+ char name[64];
+ struct resource resource;
+};
+
+#define to_zorro_dev(n) container_of(n, struct zorro_dev, dev)
+
+
+ /*
+ * Zorro bus
+ */
+
+extern struct bus_type zorro_bus_type;
+
+
+ /*
+ * Zorro device drivers
+ */
+
+struct zorro_driver {
+ struct list_head node;
+ char *name;
+ const struct zorro_device_id *id_table; /* NULL if wants all devices */
+ int (*probe)(struct zorro_dev *z, const struct zorro_device_id *id); /* New device inserted */
+ void (*remove)(struct zorro_dev *z); /* Device removed (NULL if not a hot-plug capable driver) */
+ struct device_driver driver;
+};
+
+#define to_zorro_driver(drv) container_of(drv, struct zorro_driver, driver)
+
+
+#define zorro_for_each_dev(dev) \
+ for (dev = &zorro_autocon[0]; dev < zorro_autocon+zorro_num_autocon; dev++)
+
+
+/* New-style probing */
+extern int zorro_register_driver(struct zorro_driver *);
+extern void zorro_unregister_driver(struct zorro_driver *);
+extern const struct zorro_device_id *zorro_match_device(const struct zorro_device_id *ids, const struct zorro_dev *z);
+static inline struct zorro_driver *zorro_dev_driver(const struct zorro_dev *z)
+{
+ return z->driver;
+}
+
+
+extern unsigned int zorro_num_autocon; /* # of autoconfig devices found */
+extern struct zorro_dev *zorro_autocon;
+
+
+ /*
+ * Minimal information about a Zorro device, passed from bootinfo
+ * Only available temporarily, i.e. until initmem has been freed!
+ */
+
+struct zorro_dev_init {
+ struct ExpansionRom rom;
+ u16 slotaddr;
+ u16 slotsize;
+ u32 boardaddr;
+ u32 boardsize;
+};
+
+extern struct zorro_dev_init zorro_autocon_init[ZORRO_NUM_AUTO] __initdata;
+
+
+ /*
+ * Zorro Functions
+ */
+
+extern struct zorro_dev *zorro_find_device(zorro_id id,
+ struct zorro_dev *from);
+
+#define zorro_resource_start(z) ((z)->resource.start)
+#define zorro_resource_end(z) ((z)->resource.end)
+#define zorro_resource_len(z) (resource_size(&(z)->resource))
+#define zorro_resource_flags(z) ((z)->resource.flags)
+
+#define zorro_request_device(z, name) \
+ request_mem_region(zorro_resource_start(z), zorro_resource_len(z), name)
+#define zorro_release_device(z) \
+ release_mem_region(zorro_resource_start(z), zorro_resource_len(z))
+
+/* Similar to the helpers above, these manipulate per-zorro_dev
+ * driver-specific data. They are really just a wrapper around
+ * the generic device structure functions of these calls.
+ */
+static inline void *zorro_get_drvdata (struct zorro_dev *z)
+{
+ return dev_get_drvdata(&z->dev);
+}
+
+static inline void zorro_set_drvdata (struct zorro_dev *z, void *data)
+{
+ dev_set_drvdata(&z->dev, data);
+}
+
+
+ /*
+ * Bitmask indicating portions of available Zorro II RAM that are unused
+ * by the system. Every bit represents a 64K chunk, for a maximum of 8MB
+ * (128 chunks, physical 0x00200000-0x009fffff).
+ *
+ * If you want to use (= allocate) portions of this RAM, you should clear
+ * the corresponding bits.
+ */
+
+extern DECLARE_BITMAP(zorro_unused_z2ram, 128);
+
+#define Z2RAM_START (0x00200000)
+#define Z2RAM_END (0x00a00000)
+#define Z2RAM_SIZE (0x00800000)
+#define Z2RAM_CHUNKSIZE (0x00010000)
+#define Z2RAM_CHUNKMASK (0x0000ffff)
+#define Z2RAM_CHUNKSHIFT (16)
+
+
+#endif /* _LINUX_ZORRO_H */