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Diffstat (limited to 'arch/x86/include/asm/scu.h')
| -rw-r--r-- | arch/x86/include/asm/scu.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/x86/include/asm/scu.h b/arch/x86/include/asm/scu.h new file mode 100644 index 0000000..f5ec5a1 --- /dev/null +++ b/arch/x86/include/asm/scu.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (c) 2017 Intel Corporation + */ +#ifndef _X86_ASM_SCU_IPC_H_ +#define _X86_ASM_SCU_IPC_H_ + +/* IPC defines the following message types */ +#define IPCMSG_INDIRECT_READ 0x02 +#define IPCMSG_INDIRECT_WRITE 0x05 +#define IPCMSG_WARM_RESET 0xf0 +#define IPCMSG_COLD_RESET 0xf1 +#define IPCMSG_SOFT_RESET 0xf2 +#define IPCMSG_COLD_BOOT 0xf3 +#define IPCMSG_GET_FW_REVISION 0xf4 +#define IPCMSG_WATCHDOG_TIMER 0xf8 /* Set Kernel Watchdog Threshold */ + +struct ipc_ifwi_version { + u16 minor; + u8 major; + u8 hardware_id; + u32 reserved[3]; +}; + +/* Issue commands to the SCU with or without data */ +int scu_ipc_simple_command(u32 cmd, u32 sub); +int scu_ipc_command(u32 cmd, u32 sub, u32 *in, int inlen, u32 *out, int outlen); +int scu_ipc_raw_command(u32 cmd, u32 sub, u32 *in, int inlen, u32 *out, + int outlen, u32 dptr, u32 sptr); + +#endif /* _X86_ASM_SCU_IPC_H_ */ |