Linux Kernel  3.7.1
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intel_scu_ipc.h
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1 #ifndef _ASM_X86_INTEL_SCU_IPC_H_
2 #define _ASM_X86_INTEL_SCU_IPC_H_
3 
4 #include <linux/notifier.h>
5 
6 #define IPCMSG_WARM_RESET 0xF0
7 #define IPCMSG_COLD_RESET 0xF1
8 #define IPCMSG_SOFT_RESET 0xF2
9 #define IPCMSG_COLD_BOOT 0xF3
10 
11 #define IPCMSG_VRTC 0xFA /* Set vRTC device */
12  /* Command id associated with message IPCMSG_VRTC */
13  #define IPC_CMD_VRTC_SETTIME 1 /* Set time */
14  #define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */
15 
16 /* Read single register */
18 
19 /* Read two sequential registers */
21 
22 /* Read four sequential registers */
24 
25 /* Read a vector */
26 int intel_scu_ipc_readv(u16 *addr, u8 *data, int len);
27 
28 /* Write single register */
30 
31 /* Write two sequential registers */
33 
34 /* Write four sequential registers */
36 
37 /* Write a vector */
38 int intel_scu_ipc_writev(u16 *addr, u8 *data, int len);
39 
40 /* Update single register based on the mask */
42 
43 /* Issue commands to the SCU with or without data */
44 int intel_scu_ipc_simple_command(int cmd, int sub);
45 int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
46  u32 *out, int outlen);
47 /* I2C control api */
49 
50 /* Update FW version */
52 
54 
55 static inline void intel_scu_notifier_add(struct notifier_block *nb)
56 {
57  blocking_notifier_chain_register(&intel_scu_notifier, nb);
58 }
59 
60 static inline void intel_scu_notifier_remove(struct notifier_block *nb)
61 {
62  blocking_notifier_chain_unregister(&intel_scu_notifier, nb);
63 }
64 
65 static inline int intel_scu_notifier_post(unsigned long v, void *p)
66 {
67  return blocking_notifier_call_chain(&intel_scu_notifier, v, p);
68 }
69 
70 #define SCU_AVAILABLE 1
71 #define SCU_DOWN 2
72 
73 #endif