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gpu: nvgpu: add t19x specific nvhost abstraction files

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Add new abstraction file common/linux/nvhost_t19x.c
for all nvhost APIs exported from linux/nvhost_t194.h
This file will be compiled only if config
CONFIG_TEGRA_GK20A_NVHOST is set

Export the new headers from file <nvgpu/nvhost_t19x.h>

Also add dummy private header file nvhost_priv_t19x.h
to store definition of private structure nvgpu_nvhost_dev
This file should be deleted when nvgpu-t19x repo
is merged into common nvhost repo

Jira NVGPU-29

Change-Id: I8c08c9242b08cc45f7c99cc400b3e1a720f9439c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1493792
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
This commit is contained in:
Deepak Nibade
2017-06-02 14:47:20 +05:30
committed by mobile promotions
parent c37a7a577a
commit 366386d189
4 changed files with 96 additions and 0 deletions
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1
drivers/gpu/nvgpu/Makefile
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@@ -20,3 +20,4 @@ nvgpu-y += \
$(nvgpu-t19x)/gv11b/regops_gv11b.o
nvgpu-$(CONFIG_TEGRA_GK20A) += $(nvgpu-t19x)/gv11b/platform_gv11b_tegra.o
nvgpu-$(CONFIG_TEGRA_GK20A_NVHOST) += $(nvgpu-t19x)/common/linux/nvhost_t19x.o

29
drivers/gpu/nvgpu/common/linux/nvhost_priv_t19x.h Normal file
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@@ -0,0 +1,29 @@
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __NVGPU_NVHOST_PRIV_T19X_H__
#define __NVGPU_NVHOST_PRIV_T19X_H__
/*
* This file is copy of common/linux/nvhost_priv.h in nvgpu repo
* This file should be removed when nvgpu-t19x repo is merged
* into common nvgpu repo
*/
struct nvgpu_nvhost_dev {
struct platform_device *host1x_pdev;
};
#endif /* __NVGPU_NVHOST_PRIV_T19X_H__ */

36
drivers/gpu/nvgpu/common/linux/nvhost_t19x.c Normal file
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@@ -0,0 +1,36 @@
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/nvhost.h>
#include <linux/nvhost_t194.h>
#include <nvgpu/nvhost_t19x.h>
#include "nvhost_priv_t19x.h"
int nvgpu_nvhost_syncpt_unit_interface_get_aperture(
struct nvgpu_nvhost_dev *nvhost_dev,
phys_addr_t *base,
size_t *size)
{
return nvhost_syncpt_unit_interface_get_aperture(
nvhost_dev->host1x_pdev, base, size);
}
u32 nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(u32 syncpt_id)
{
return nvhost_syncpt_unit_interface_get_byte_offset(syncpt_id);
}

30
drivers/gpu/nvgpu/include/nvgpu/nvhost_t19x.h Normal file
View File

@@ -0,0 +1,30 @@
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __NVGPU_NVHOST_T19X_H__
#define __NVGPU_NVHOST_T19X_H__
#ifdef CONFIG_TEGRA_GK20A_NVHOST
struct nvgpu_nvhost_dev;
int nvgpu_nvhost_syncpt_unit_interface_get_aperture(
struct nvgpu_nvhost_dev *nvhost_dev,
phys_addr_t *base,
size_t *size);
u32 nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(u32 syncpt_id);
#endif
#endif /* __NVGPU_NVHOST_T19X_H__ */