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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2019 Google LLC.
*/
#ifndef __LINUX_RPMSG_MTK_RPMSG_H
#define __LINUX_RPMSG_MTK_RPMSG_H
#include <linux/platform_device.h>
#include <linux/remoteproc.h>
typedef void (*ipi_handler_t)(void *data, unsigned int len, void *priv);
/*
* struct mtk_rpmsg_info - IPI functions tied to the rpmsg device.
* @register_ipi: register IPI handler for an IPI id.
* @unregister_ipi: unregister IPI handler for a registered IPI id.
* @send_ipi: send IPI to an IPI id. wait is the timeout (in msecs) to wait
* until response, or 0 if there's no timeout.
* @ns_ipi_id: the IPI id used for name service, or -1 if name service isn't
* supported.
*/
struct mtk_rpmsg_info {
int (*register_ipi)(struct platform_device *pdev, u32 id,
ipi_handler_t handler, void *priv);
void (*unregister_ipi)(struct platform_device *pdev, u32 id);
int (*send_ipi)(struct platform_device *pdev, u32 id,
void *buf, unsigned int len, unsigned int wait);
int ns_ipi_id;
};
struct rproc_subdev *
mtk_rpmsg_create_rproc_subdev(struct platform_device *pdev,
struct mtk_rpmsg_info *info);
void mtk_rpmsg_destroy_rproc_subdev(struct rproc_subdev *subdev);
#endif