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Merge pull request #157 from woutervanh/5.4-2.2.x-imx 

drm/vivante: porting vivante drm driver from 4.14 kernel
5.4-rM2-2.2.x-imx-squashed
Otavio Salvador 2020-10-23 13:47:11 -03:00 committed by GitHub
parent 75c84dc819 f7f1df358b
commit 34eb3725fc
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 243 additions and 0 deletions
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7
drivers/gpu/drm/Kconfig
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@ -429,6 +429,13 @@ config DRM_VIA
Choose this option if you have a Via unichrome or compatible video
chipset. If M is selected the module will be called via.
config DRM_VIVANTE
tristate "Vivante GCCore"
depends on DRM
help
Choose this option if you have a Vivante graphics card.
If M is selected, the module will be called vivante.
config DRM_SAVAGE
tristate "Savage video cards"
depends on DRM && PCI

1
drivers/gpu/drm/Makefile
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@ -60,6 +60,7 @@ obj-$(CONFIG_DRM_MIPI_DSI) += drm_mipi_dsi.o
obj-$(CONFIG_DRM_PANEL_ORIENTATION_QUIRKS) += drm_panel_orientation_quirks.o
obj-y += arm/
obj-$(CONFIG_DRM_TTM) += ttm/
obj-$(CONFIG_DRM_VIVANTE) += vivante/
obj-$(CONFIG_DRM_SCHED) += scheduler/
obj-$(CONFIG_DRM_TDFX) += tdfx/
obj-$(CONFIG_DRM_R128) += r128/

29
drivers/gpu/drm/vivante/Makefile 100644
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@ -0,0 +1,29 @@
##############################################################################
#
# Copyright (C) 2005 - 2013 by Vivante Corp.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the license, or
# (at your option) any later version.
#
# This program is distributed in the hope that 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 write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
##############################################################################
#
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
ccflags-y := -Iinclude/drm
vivante-y := vivante_drv.o
obj-$(CONFIG_DRM_VIVANTE) += vivante.o

140
drivers/gpu/drm/vivante/vivante_drv.c 100644
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@ -0,0 +1,140 @@
/****************************************************************************
*
* Copyright (C) 2005 - 2013 by Vivante Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the license, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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 write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*****************************************************************************/
/* vivante_drv.c -- vivante driver -*- linux-c -*-
*
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Daryll Strauss <daryll@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*/
#include <linux/component.h>
#include <linux/version.h>
#include <linux/module.h>
#include <drm/drmP.h>
#include <drm/drm_pciids.h>
#include <drm/drm_legacy.h>
#include "vivante_drv.h"
static char platformdevicename[] = "platform:Vivante GCCore";
static struct platform_device *pplatformdev;
static const struct file_operations viv_driver_fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
.mmap = drm_legacy_mmap,
.poll = drm_poll,
.llseek = noop_llseek,
};
static struct drm_driver driver = {
.fops = &viv_driver_fops,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
.driver_features = DRIVER_LEGACY,
};
static int drm_get_platform_dev(struct platform_device *platdev,
struct drm_driver *driver)
{
struct drm_device *dev;
int ret;
DRM_DEBUG("\n");
dev = drm_dev_alloc(driver, &platdev->dev);
if (IS_ERR(dev))
return PTR_ERR(dev);
dev_set_drvdata(&platdev->dev, dev);
ret = drm_dev_register(dev, 0);
if (ret)
goto err_free;
DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, dev->primary->index);
return 0;
err_free:
drm_dev_put(dev);
return ret;
}
static int __init vivante_init(void)
{
int retcode;
pplatformdev = platform_device_register_simple(platformdevicename,
-1, NULL, 0);
if (pplatformdev == NULL)
printk(KERN_ERR"Platform device is null\n");
retcode = drm_get_platform_dev(pplatformdev, &driver);
return retcode;
}
module_init(vivante_init);
static void __exit vivante_exit(void)
{
if (pplatformdev) {
/* The drvdata is set in drm_get_platform_dev() */
drm_put_dev(platform_get_drvdata(pplatformdev));
platform_device_unregister(pplatformdev);
pplatformdev = NULL;
}
}
module_exit(vivante_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
MODULE_ALIAS("platform:Vivante GCCore");

66
drivers/gpu/drm/vivante/vivante_drv.h 100644
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@ -0,0 +1,66 @@
/****************************************************************************
*
* Copyright (C) 2005 - 2013 by Vivante Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the license, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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 write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*****************************************************************************/
/* vivante_drv.h -- Vivante DRM template customization -*- linux-c -*-
* Created: Wed Feb 14 12:32:32 2012 by John Zhao
*/
/*
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Gareth Hughes <gareth@valinux.com>
*/
#ifndef __VIVANTE_DRV_H__
#define __VIVANTE_DRV_H__
/* General customization:
*/
#define DRIVER_AUTHOR "Vivante Inc."
#define DRIVER_NAME "vivante"
#define DRIVER_DESC "Vivante GCCore"
#define DRIVER_DATE "20120216"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 0
#endif