162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _ASM_X86_INTEL_SCU_IPC_H_ 362306a36Sopenharmony_ci#define _ASM_X86_INTEL_SCU_IPC_H_ 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/ioport.h> 662306a36Sopenharmony_ci 762306a36Sopenharmony_cistruct device; 862306a36Sopenharmony_cistruct intel_scu_ipc_dev; 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci/** 1162306a36Sopenharmony_ci * struct intel_scu_ipc_data - Data used to configure SCU IPC 1262306a36Sopenharmony_ci * @mem: Base address of SCU IPC MMIO registers 1362306a36Sopenharmony_ci * @irq: The IRQ number used for SCU (optional) 1462306a36Sopenharmony_ci */ 1562306a36Sopenharmony_cistruct intel_scu_ipc_data { 1662306a36Sopenharmony_ci struct resource mem; 1762306a36Sopenharmony_ci int irq; 1862306a36Sopenharmony_ci}; 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_cistruct intel_scu_ipc_dev * 2162306a36Sopenharmony_ci__intel_scu_ipc_register(struct device *parent, 2262306a36Sopenharmony_ci const struct intel_scu_ipc_data *scu_data, 2362306a36Sopenharmony_ci struct module *owner); 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci#define intel_scu_ipc_register(parent, scu_data) \ 2662306a36Sopenharmony_ci __intel_scu_ipc_register(parent, scu_data, THIS_MODULE) 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_civoid intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu); 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistruct intel_scu_ipc_dev * 3162306a36Sopenharmony_ci__devm_intel_scu_ipc_register(struct device *parent, 3262306a36Sopenharmony_ci const struct intel_scu_ipc_data *scu_data, 3362306a36Sopenharmony_ci struct module *owner); 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci#define devm_intel_scu_ipc_register(parent, scu_data) \ 3662306a36Sopenharmony_ci __devm_intel_scu_ipc_register(parent, scu_data, THIS_MODULE) 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_cistruct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void); 3962306a36Sopenharmony_civoid intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu); 4062306a36Sopenharmony_cistruct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev); 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ciint intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr, 4362306a36Sopenharmony_ci u8 *data); 4462306a36Sopenharmony_ciint intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr, 4562306a36Sopenharmony_ci u8 data); 4662306a36Sopenharmony_ciint intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr, 4762306a36Sopenharmony_ci u8 *data, size_t len); 4862306a36Sopenharmony_ciint intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr, 4962306a36Sopenharmony_ci u8 *data, size_t len); 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ciint intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr, 5262306a36Sopenharmony_ci u8 data, u8 mask); 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_ciint intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd, 5562306a36Sopenharmony_ci int sub); 5662306a36Sopenharmony_ciint intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd, 5762306a36Sopenharmony_ci int sub, const void *in, size_t inlen, 5862306a36Sopenharmony_ci size_t size, void *out, size_t outlen); 5962306a36Sopenharmony_ci 6062306a36Sopenharmony_cistatic inline int intel_scu_ipc_dev_command(struct intel_scu_ipc_dev *scu, int cmd, 6162306a36Sopenharmony_ci int sub, const void *in, size_t inlen, 6262306a36Sopenharmony_ci void *out, size_t outlen) 6362306a36Sopenharmony_ci{ 6462306a36Sopenharmony_ci return intel_scu_ipc_dev_command_with_size(scu, cmd, sub, in, inlen, 6562306a36Sopenharmony_ci inlen, out, outlen); 6662306a36Sopenharmony_ci} 6762306a36Sopenharmony_ci 6862306a36Sopenharmony_ci#endif 69