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