diff options
| author | Nipun Gupta <nipun.gupta@amd.com> | 2023-03-13 18:56:35 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-29 12:26:32 +0200 |
| commit | 2a226927d9b836ddec674aebbcea311727d04240 (patch) | |
| tree | 508575830ba25653e4d63ea2c7be34c9a630d0f1 /drivers/cdx/controller/cdx_controller.h | |
| parent | 8a7923df35d3a0fa44985148cee5b7fde4a370ba (diff) | |
cdx: add rpmsg communication channel for CDX
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>
Diffstat (limited to 'drivers/cdx/controller/cdx_controller.h')
| -rw-r--r-- | drivers/cdx/controller/cdx_controller.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/cdx/controller/cdx_controller.h b/drivers/cdx/controller/cdx_controller.h new file mode 100644 index 000000000000..43b7c742df87 --- /dev/null +++ b/drivers/cdx/controller/cdx_controller.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Header file for the CDX Controller + * + * Copyright (C) 2022-2023, Advanced Micro Devices, Inc. + */ + +#ifndef _CDX_CONTROLLER_H_ +#define _CDX_CONTROLLER_H_ + +#include <linux/cdx/cdx_bus.h> +#include "mcdi_functions.h" + +void cdx_rpmsg_post_probe(struct cdx_controller *cdx); + +void cdx_rpmsg_pre_remove(struct cdx_controller *cdx); + +int cdx_rpmsg_send(struct cdx_mcdi *cdx_mcdi, + const struct cdx_dword *hdr, size_t hdr_len, + const struct cdx_dword *sdu, size_t sdu_len); + +void cdx_rpmsg_read_resp(struct cdx_mcdi *cdx_mcdi, + struct cdx_dword *outbuf, size_t offset, + size_t outlen); + +int cdx_setup_rpmsg(struct platform_device *pdev); + +void cdx_destroy_rpmsg(struct platform_device *pdev); + +#endif /* _CDX_CONT_PRIV_H_ */ |