xref: /kernel/linux/linux-6.6/drivers/char/ipmi/kcs_bmc_client.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2021, IBM Corp. */

#ifndef __KCS_BMC_CONSUMER_H__
#define __KCS_BMC_CONSUMER_H__

#include <linux/irqreturn.h>

#include "kcs_bmc.h"

struct kcs_bmc_driver_ops {
	int (*add_device)(struct kcs_bmc_device *kcs_bmc);
	int (*remove_device)(struct kcs_bmc_device *kcs_bmc);
};

struct kcs_bmc_driver {
	struct list_head entry;

	const struct kcs_bmc_driver_ops *ops;
};

struct kcs_bmc_client_ops {
	irqreturn_t (*event)(struct kcs_bmc_client *client);
};

struct kcs_bmc_client {
	const struct kcs_bmc_client_ops *ops;

	struct kcs_bmc_device *dev;
};

void kcs_bmc_register_driver(struct kcs_bmc_driver *drv);
void kcs_bmc_unregister_driver(struct kcs_bmc_driver *drv);

int kcs_bmc_enable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client);
void kcs_bmc_disable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client);

void kcs_bmc_update_event_mask(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 events);

u8 kcs_bmc_read_data(struct kcs_bmc_device *kcs_bmc);
void kcs_bmc_write_data(struct kcs_bmc_device *kcs_bmc, u8 data);
u8 kcs_bmc_read_status(struct kcs_bmc_device *kcs_bmc);
void kcs_bmc_write_status(struct kcs_bmc_device *kcs_bmc, u8 data);
void kcs_bmc_update_status(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 val);
#endif