summaryrefslogtreecommitdiff
path: root/include/linux/nubus.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/nubus.h')
-rw-r--r--include/linux/nubus.h27
1 files changed, 23 insertions, 4 deletions
diff --git a/include/linux/nubus.h b/include/linux/nubus.h
index d8d63370a28c..55b9a4569a69 100644
--- a/include/linux/nubus.h
+++ b/include/linux/nubus.h
@@ -5,16 +5,28 @@
Originally written by Alan Cox.
Hacked to death by C. Scott Ananian and David Huggins-Daines.
-
- Some of the constants in here are from the corresponding
- NetBSD/OpenBSD header file, by Allen Briggs. We figured out the
- rest of them on our own. */
+*/
+
#ifndef LINUX_NUBUS_H
#define LINUX_NUBUS_H
#include <asm/nubus.h>
#include <uapi/linux/nubus.h>
+struct nubus_dir {
+ unsigned char *base;
+ unsigned char *ptr;
+ int done;
+ int mask;
+};
+
+struct nubus_dirent {
+ unsigned char *base;
+ unsigned char type;
+ __u32 data; /* Actually 24 bits used */
+ int mask;
+};
+
struct nubus_board {
struct nubus_board* next;
struct nubus_dev* first_dev;
@@ -130,4 +142,11 @@ void nubus_get_rsrc_mem(void *dest, const struct nubus_dirent *dirent,
unsigned int len);
void nubus_get_rsrc_str(char *dest, const struct nubus_dirent *dirent,
unsigned int maxlen);
+
+/* Returns a pointer to the "standard" slot space. */
+static inline void *nubus_slot_addr(int slot)
+{
+ return (void *)(0xF0000000 | (slot << 24));
+}
+
#endif /* LINUX_NUBUS_H */