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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_INTEL_SCU_IPC_H_
#define _ASM_X86_INTEL_SCU_IPC_H_
#include <linux/ioport.h>
struct device;
struct intel_scu_ipc_dev;
/**
* struct intel_scu_ipc_data - Data used to configure SCU IPC
* @mem: Base address of SCU IPC MMIO registers
* @irq: The IRQ number used for SCU (optional)
*/
struct intel_scu_ipc_data {
struct resource mem;
int irq;
};
struct intel_scu_ipc_dev *
__intel_scu_ipc_register(struct device *parent,
const struct intel_scu_ipc_data *scu_data,
struct module *owner);
#define intel_scu_ipc_register(parent, scu_data) \
__intel_scu_ipc_register(parent, scu_data, THIS_MODULE)
void intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu);
struct intel_scu_ipc_dev *
__devm_intel_scu_ipc_register(struct device *parent,
const struct intel_scu_ipc_data *scu_data,
struct module *owner);
#define devm_intel_scu_ipc_register(parent, scu_data) \
__devm_intel_scu_ipc_register(parent, scu_data, THIS_MODULE)
struct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void);
void intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu);
struct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev);
int intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr,
u8 *data);
int intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr,
u8 data);
int intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr,
u8 *data, size_t len);
int intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr,
u8 *data, size_t len);
int intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr,
u8 data, u8 mask);
int intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd,
int sub);
int intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd,
int sub, const void *in, size_t inlen,
size_t size, void *out, size_t outlen);
static inline int intel_scu_ipc_dev_command(struct intel_scu_ipc_dev *scu, int cmd,
int sub, const void *in, size_t inlen,
void *out, size_t outlen)
{
return intel_scu_ipc_dev_command_with_size(scu, cmd, sub, in, inlen,
inlen, out, outlen);
}
#endif