patch-2.2.8 linux/include/asm-ppc/adb.h

• Lines: 73
• Date: Thu Apr 29 12:39:01 1999
• Orig file: v2.2.7/linux/include/asm-ppc/adb.h
• Orig date: Tue Mar 23 14:35:48 1999

diff -u --recursive --new-file v2.2.7/linux/include/asm-ppc/adb.h linux/include/asm-ppc/adb.h
@@ -21,6 +21,16 @@
 #define ADB_RET_OK	0
 #define ADB_RET_TIMEOUT	3
 
+/* The kind of ADB request. The controller may emulate some
+   of all of those CUDA/PMU packet kinds */
+#define ADB_PACKET	0
+#define CUDA_PACKET	1
+#define ERROR_PACKET	2
+#define TIMER_PACKET	3
+#define POWER_PACKET	4
+#define MACIIC_PACKET	5
+#define PMU_PACKET	6
+
 #ifdef __KERNEL__
 
 struct adb_request {
@@ -41,19 +51,37 @@
     unsigned char id[16];
 };
 
-extern enum adb_hw {
-	ADB_NONE, ADB_VIACUDA, ADB_VIAPMU, ADB_MACIO
-} adb_hardware;
-
-extern int (*adb_send_request)(struct adb_request *req, int sync);
-extern int (*adb_autopoll)(int devs);
-extern int (*adb_reset_bus)(void);
+/* Messages sent thru the client_list notifier. You should NOT stop
+   the operation, at least not with this version */
+enum adb_message {
+    ADB_MSG_POWERDOWN,	/* Currently called before sleep only */
+    ADB_MSG_PRE_RESET,	/* Called before resetting the bus */
+    ADB_MSG_POST_RESET	/* Called after resetting the bus (re-do init & register) */
+};
+extern struct notifier_block *adb_client_list;
+
+/* Kind of ADB controller */
+enum adb_hw {
+    ADB_NONE, ADB_VIACUDA, ADB_VIAPMU, ADB_MACIO, ADB_UNKNOWN
+};
+
+/* Definition of a controller */
+extern struct adb_controller {
+    enum adb_hw		kind;
+	
+    int		(*send_request)(struct adb_request *req, int sync);
+    int		(*autopoll)(int devs);
+    int		(*reset_bus)(void);
+    void	(*poll)(void);
+} *adb_controller;
+extern enum adb_hw adb_hardware;
 
 /* Values for adb_request flags */
 #define ADBREQ_REPLY	1	/* expect reply */
 #define ADBREQ_SYNC	2	/* poll until done */
 
 void adb_init(void);
+
 int adb_request(struct adb_request *req, void (*done)(struct adb_request *),
 		int flags, int nbytes, ...);
 int adb_register(int default_id,int handler_id,struct adb_ids *ids,
@@ -62,6 +90,10 @@
 
 int adb_try_handler_change(int address, int new_id);
 int adb_get_infos(int address, int *original_address, int *handler_id);
+
+int adb_reset_bus(void);
+
+void adb_poll(void);
 
 #endif /* __KERNEL__ */