1 #ifndef _ASM_X86_INTEL_SCU_IPC_H_
2 #define _ASM_X86_INTEL_SCU_IPC_H_
4 /* Read single register */
5 int intel_scu_ipc_ioread8(u16 addr, u8 *data);
7 /* Read two sequential registers */
8 int intel_scu_ipc_ioread16(u16 addr, u16 *data);
10 /* Read four sequential registers */
11 int intel_scu_ipc_ioread32(u16 addr, u32 *data);
14 int intel_scu_ipc_readv(u16 *addr, u8 *data, int len);
16 /* Write single register */
17 int intel_scu_ipc_iowrite8(u16 addr, u8 data);
19 /* Write two sequential registers */
20 int intel_scu_ipc_iowrite16(u16 addr, u16 data);
22 /* Write four sequential registers */
23 int intel_scu_ipc_iowrite32(u16 addr, u32 data);
26 int intel_scu_ipc_writev(u16 *addr, u8 *data, int len);
28 /* Update single register based on the mask */
29 int intel_scu_ipc_update_register(u16 addr, u8 data, u8 mask);
32 * Indirect register read
33 * Can be used when SCCB(System Controller Configuration Block) register
34 * HRIM(Honor Restricted IPC Messages) is set (bit 23)
36 int intel_scu_ipc_register_read(u32 addr, u32 *data);
39 * Indirect register write
40 * Can be used when SCCB(System Controller Configuration Block) register
41 * HRIM(Honor Restricted IPC Messages) is set (bit 23)
43 int intel_scu_ipc_register_write(u32 addr, u32 data);
45 /* Issue commands to the SCU with or without data */
46 int intel_scu_ipc_simple_command(int cmd, int sub);
47 int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
48 u32 *out, int outlen);
50 int intel_scu_ipc_i2c_cntrl(u32 addr, u32 *data);
52 /* Update FW version */
53 int intel_scu_ipc_fw_update(u8 *buffer, u32 length);