1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_X86_INTEL_SCU_IPC_H_
3 #define _ASM_X86_INTEL_SCU_IPC_H_
5 #include <linux/ioport.h>
8 struct intel_scu_ipc_dev;
11 * struct intel_scu_ipc_data - Data used to configure SCU IPC
12 * @mem: Base address of SCU IPC MMIO registers
13 * @irq: The IRQ number used for SCU (optional)
15 struct intel_scu_ipc_data {
20 struct intel_scu_ipc_dev *
21 __intel_scu_ipc_register(struct device *parent,
22 const struct intel_scu_ipc_data *scu_data,
23 struct module *owner);
25 #define intel_scu_ipc_register(parent, scu_data) \
26 __intel_scu_ipc_register(parent, scu_data, THIS_MODULE)
28 void intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu);
30 struct intel_scu_ipc_dev *
31 __devm_intel_scu_ipc_register(struct device *parent,
32 const struct intel_scu_ipc_data *scu_data,
33 struct module *owner);
35 #define devm_intel_scu_ipc_register(parent, scu_data) \
36 __devm_intel_scu_ipc_register(parent, scu_data, THIS_MODULE)
38 struct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void);
39 void intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu);
40 struct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev);
42 int intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr,
44 int intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr,
46 int intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr,
47 u8 *data, size_t len);
48 int intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr,
49 u8 *data, size_t len);
51 int intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr,
54 int intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd,
56 int intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd,
57 int sub, const void *in, size_t inlen,
58 size_t size, void *out, size_t outlen);
60 static inline int intel_scu_ipc_dev_command(struct intel_scu_ipc_dev *scu, int cmd,
61 int sub, const void *in, size_t inlen,
62 void *out, size_t outlen)
64 return intel_scu_ipc_dev_command_with_size(scu, cmd, sub, in, inlen,
68 #include <asm/intel_scu_ipc_legacy.h>