add a6, hres_counter drivers from HPalm

include/linux/a6_sbw_interface.h

@@ -0,0 +1,45 @@
+/*
+ * linux/include/linux/a6_sbw_interface.h
+ *
+ * Public interface for the SBW protocol layer. Declares callbacks used by the core protocol.
+ * Interfaces include:
+ * - per-A6-device interface: every A6 device must define its own implementation of this interface.
+ * - per-target interfaces : each board-type must define its own implementation of these interfaces.
+ * - per-host system: operating system specific implementations must be defined.
+ *
+ * Copyright (C) 2008 Palm, Inc.
+ * Author: Raj Mojumder <raj.mojumder@palm.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License.
+ */
+
+#ifndef _A6_SBW_INTERFACE_H_
+#define _A6_SBW_INTERFACE_H_
+
+struct a6_sbw_interface {
+        // per-A6-device interface (separate instantiation for every a6 device)
+	struct {
+		uint16_t (*SetSBWTCK)(void);
+		uint16_t (*ClrSBWTCK)(void);
+		uint16_t (*SetSBWTDIO)(void);
+		uint16_t (*ClrSBWTDIO)(void);
+		uint16_t (*SetInSBWTDIO)(void);
+		uint16_t (*SetOutSBWTDIO)(void);
+		uint16_t (*GetSBWTDIO)(void);
+		uint16_t (*SetSBWAKEUP)(void);
+		uint16_t (*ClrSBWAKEUP)(void);
+	} a6_per_device_interface;
+
+        // per-target interface (separate instantiation for every board)
+	struct {
+		void (*delay)(uint32_t delay_us);
+	} a6_per_target_interface;
+};
+
+
+// per-host system: (operating system specific)
+#define a6_disable_interrupts(flags) {flags=flags;local_irq_save(flags);}
+#define a6_enable_interrupts(flags)  {local_irq_restore(flags);}
+
+#endif // _A6_SBW_INTERFACE_H_