| #ifndef _ASM_X86_INTEL_SCU_IPC_H_ |
| #define _ASM_X86_INTEL_SCU_IPC_H_ |
| |
| #include <linux/notifier.h> |
| |
| #define IPCMSG_WARM_RESET 0xF0 |
| #define IPCMSG_COLD_RESET 0xF1 |
| #define IPCMSG_SOFT_RESET 0xF2 |
| #define IPCMSG_COLD_BOOT 0xF3 |
| |
| #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); |
| |
| /* Read two sequential registers */ |
| int intel_scu_ipc_ioread16(u16 addr, u16 *data); |
| |
| /* Read four sequential registers */ |
| int intel_scu_ipc_ioread32(u16 addr, u32 *data); |
| |
| /* Read a vector */ |
| int intel_scu_ipc_readv(u16 *addr, u8 *data, int len); |
| |
| /* Write single register */ |
| int intel_scu_ipc_iowrite8(u16 addr, u8 data); |
| |
| /* Write two sequential registers */ |
| int intel_scu_ipc_iowrite16(u16 addr, u16 data); |
| |
| /* Write four sequential registers */ |
| int intel_scu_ipc_iowrite32(u16 addr, u32 data); |
| |
| /* Write a vector */ |
| 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); |
| |
| /* 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, |
| u32 *out, int outlen); |
| /* I2C control api */ |
| 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 |