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/****************************************************************************
*
* 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/version.h>
#include <linux/module.h>
#include "drmP.h"
#include "vivante_drv.h"
#include "drm_pciids.h"
#include "drm_legacy.h"
static char platformdevicename[] = "Vivante GCCore";
static struct platform_device *pplatformdev;
int viv_set_busid(struct drm_device *dev, struct drm_master *master)
{
int id;
id = dev->platformdev->id;
if (id < 0)
id = 0;
master->unique = kasprintf(GFP_KERNEL, "platform:%s:%02d",
dev->platformdev->name, id);
if (!master->unique)
return -ENOMEM;
master->unique_len = strlen(master->unique);
return 0;
}
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,
.set_busid = viv_set_busid,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
.driver_features = DRIVER_LEGACY,
};
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_platform_init(&driver, pplatformdev);
return retcode;
}
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_init(vivante_init);
module_exit(vivante_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
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