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drivers/platform/tegra: add tegra-fsicom driver

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Add tegra-fsicom driver. It provides interface to communicate with
Functional Safety Island (FSI).

Bug 3583609

Change-Id: I0cc45de69ca73092e13ee17fec4abd3f9c9e0468
Signed-off-by: Rahul Bedarkar <rabedarkar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2707054
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Rahul Bedarkar
2022-05-02 11:09:05 +00:00
committed by mobile promotions
parent 6e66abaff3
commit b41ef0cf5e
3 changed files with 286 additions and 0 deletions
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26
include/uapi/linux/tegra-fsicom.h Normal file
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/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note)
*
* Copyright (c) 2021-2022, NVIDIA CORPORATION, All rights reserved.
*/
#ifndef _UAPI_TEGRA_FSICOM_H_
#define _UAPI_TEGRA_FSICOM_H_
#include <linux/ioctl.h>
struct rw_data {
uint32_t handle;
uint64_t pa;
uint64_t iova;
};
/* signal value */
#define SIG_FSI_DAEMON 44
/* ioctl call macros */
#define NVMAP_SMMU_MAP _IOWR('q', 1, struct rw_data *)
#define NVMAP_SMMU_UNMAP _IOWR('q', 2, struct rw_data *)
#define TEGRA_HSP_WRITE _IOWR('q', 3, struct rw_data *)
#define TEGRA_SIGNAL_REG _IOWR('q', 4, struct rw_data *)
#endif /* _UAPI_TEGRA_FSICOM_H_ */