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drivers: Add GTE support

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The CL adds GTE driver support in OOT. The driver is copied from nvidia
directory in dev-main with below changes.
- Added removable module support

This driver as module is needed as per the oot development requirement.

Bug 3583612

Change-Id: I2772078fb96e1b172e45befe643b4c7c569866d9
Signed-off-by: Dipen Patel <dipenp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2706260
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Dipen Patel
2022-05-02 22:55:18 +00:00
committed by mobile promotions
parent c9217a1b82
commit e7c8a70f65
10 changed files with 2028 additions and 24 deletions
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29
include/linux/tegra-gte.h
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@@ -1,10 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* Copyright (c) 2020-2022, NVIDIA CORPORATION & AFFILIATES.All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0
*/
#ifndef _LINUX_TEGRA_GTE_ENGINE_H
#define _LINUX_TEGRA_GTE_ENGINE_H
#ifndef _TEGRA_GTE_H
#define _TEGRA_GTE_H
#include <linux/device.h>
@@ -21,7 +22,6 @@ struct tegra_gte_ev_detail {
int dir; /* direction of the event */
};
#ifdef CONFIG_TEGRA_HTS_GTE
/*
* GTE event registration function
*
@@ -74,23 +74,4 @@ int tegra_gte_unregister_event(struct tegra_gte_ev_desc *desc);
int tegra_gte_retrieve_event(const struct tegra_gte_ev_desc *desc,
struct tegra_gte_ev_detail *hts);
#else /* ! CONFIG_TEGRA_HTS_GTE */
static inline struct tegra_gte_ev_desc *tegra_gte_register_event(
struct device_node *np, u32 ev_id)
{
return ERR_PTR(-ENOSYS);
}
static inline int tegra_gte_unregister_event(struct tegra_gte_ev_desc *desc)
{
return -ENOSYS;
}
static inline int tegra_gte_retrieve_event(const struct tegra_gte_ev_desc *desc,
struct tegra_gte_ev_detail *hts)
{
return -ENOSYS;
}
#endif /* ! CONFIG_TEGRA_HTS_GTE */
#endif