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2a226927d9
RPMsg is used as a transport communication channel. This change introduces RPMsg driver and integrates it with the CDX controller. Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Signed-off-by: Nipun Gupta <nipun.gupta@amd.com> Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com> Tested-by: Nikhil Agarwal <nikhil.agarwal@amd.com> Link: https://lore.kernel.org/r/20230313132636.31850-7-nipun.gupta@amd.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
30 lines
773 B
C
30 lines
773 B
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Header file for the CDX Controller
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*
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* Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
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*/
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#ifndef _CDX_CONTROLLER_H_
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#define _CDX_CONTROLLER_H_
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#include <linux/cdx/cdx_bus.h>
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#include "mcdi_functions.h"
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void cdx_rpmsg_post_probe(struct cdx_controller *cdx);
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void cdx_rpmsg_pre_remove(struct cdx_controller *cdx);
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int cdx_rpmsg_send(struct cdx_mcdi *cdx_mcdi,
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const struct cdx_dword *hdr, size_t hdr_len,
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const struct cdx_dword *sdu, size_t sdu_len);
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void cdx_rpmsg_read_resp(struct cdx_mcdi *cdx_mcdi,
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struct cdx_dword *outbuf, size_t offset,
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size_t outlen);
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int cdx_setup_rpmsg(struct platform_device *pdev);
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void cdx_destroy_rpmsg(struct platform_device *pdev);
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#endif /* _CDX_CONT_PRIV_H_ */
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