mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
synced 2025-12-22 17:25:35 +03:00
55847ce7a0
fsicom driver updated to support fsicom channels without notification. With notification disabled channels fsicom can support all four cores of FSI Bug 4805453 DOS-SHR-10636 Change-Id: I6cf4dd36c1570505dbcf582499189bd974ed095f Signed-off-by: Praveen James <pjames@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3197598 (cherry picked from commit 1dbdf63d67b102908c845671d18ddf4d14ae498f) Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3206768 Reviewed-by: Kovid Kumar <kovidk@nvidia.com> Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3217458
51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
/* 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>
|
|
|
|
#define MAX_FSI_CORE 4
|
|
|
|
struct fsi_core {
|
|
uint32_t max_core;
|
|
uint32_t notify_cnt;
|
|
uint32_t polling_cnt;
|
|
uint32_t notify_list[MAX_FSI_CORE];
|
|
uint32_t polling_list[MAX_FSI_CORE];
|
|
};
|
|
|
|
struct rw_data {
|
|
uint8_t coreid;
|
|
uint32_t handle;
|
|
uint64_t pa;
|
|
uint64_t iova;
|
|
uint64_t dmabuf;
|
|
uint64_t attach;
|
|
uint64_t sgt;
|
|
};
|
|
|
|
/*Data type for sending the offset,IOVA and channel Id details to FSI */
|
|
struct iova_data {
|
|
uint8_t coreid;
|
|
uint32_t offset;
|
|
uint32_t iova;
|
|
uint32_t chid;
|
|
};
|
|
|
|
/* signal value */
|
|
#define SIG_DRIVER_RESUME 43
|
|
#define SIG_FSI_WRITE_EVENT 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 fsi_core *)
|
|
#define TEGRA_IOVA_DATA _IOWR('q', 5, struct iova_data *)
|
|
|
|
#endif /* _UAPI_TEGRA_FSICOM_H_ */
|