Merge branch 'process_vm' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

[karo-tx-linux.git] / arch / x86 / include / asm / intel_scu_ipc.h

diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h
index 4470c9ad4a3e543ee2725a4aebf99cd1301df2d8..4420993acc4734c962922d58ee63e0b700cf330e 100644 (file)
--- a/arch/x86/include/asm/intel_scu_ipc.h
+++ b/arch/x86/include/asm/intel_scu_ipc.h
@@ -1,6 +1,14 @@
 #ifndef _ASM_X86_INTEL_SCU_IPC_H_
 #define  _ASM_X86_INTEL_SCU_IPC_H_
 
+#include <linux/notifier.h>
+
+#define IPCMSG_VRTC    0xFA     /* Set vRTC device */
+
+/* Command id associated with message IPCMSG_VRTC */
+#define IPC_CMD_VRTC_SETTIME      1 /* Set time */
+#define IPC_CMD_VRTC_SETALARM     2 /* Set alarm */
+
 /* Read single register */
 int intel_scu_ipc_ioread8(u16 addr, u8 *data);
 
@@ -28,20 +36,6 @@ int intel_scu_ipc_writev(u16 *addr, u8 *data, int len);
 /* Update single register based on the mask */
 int intel_scu_ipc_update_register(u16 addr, u8 data, u8 mask);
 
-/*
- * Indirect register read
- * Can be used when SCCB(System Controller Configuration Block) register
- * HRIM(Honor Restricted IPC Messages) is set (bit 23)
- */
-int intel_scu_ipc_register_read(u32 addr, u32 *data);
-
-/*
- * Indirect register write
- * Can be used when SCCB(System Controller Configuration Block) register
- * HRIM(Honor Restricted IPC Messages) is set (bit 23)
- */
-int intel_scu_ipc_register_write(u32 addr, u32 data);
-
 /* Issue commands to the SCU with or without data */
 int intel_scu_ipc_simple_command(int cmd, int sub);
 int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
@@ -52,4 +46,24 @@ int intel_scu_ipc_i2c_cntrl(u32 addr, u32 *data);
 /* Update FW version */
 int intel_scu_ipc_fw_update(u8 *buffer, u32 length);
 
+extern struct blocking_notifier_head intel_scu_notifier;
+
+static inline void intel_scu_notifier_add(struct notifier_block *nb)
+{
+       blocking_notifier_chain_register(&intel_scu_notifier, nb);
+}
+
+static inline void intel_scu_notifier_remove(struct notifier_block *nb)
+{
+       blocking_notifier_chain_unregister(&intel_scu_notifier, nb);
+}
+
+static inline int intel_scu_notifier_post(unsigned long v, void *p)
+{
+       return blocking_notifier_call_chain(&intel_scu_notifier, v, p);
+}
+
+#define                SCU_AVAILABLE           1
+#define                SCU_DOWN                2
+
 #endif