/* 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, const 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