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/*
* drivers/video/tegra/host/vi/vi.c
*
* Tegra Graphics Host VI
*
* Copyright (c) 2012, NVIDIA Corporation.
*
* 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/resource.h>
#include <mach/iomap.h>
#include "dev.h"
#include "bus_client.h"
static int __devinit vi_probe(struct nvhost_device *dev)
{
int err = 0;
err = nvhost_client_device_get_resources(dev);
if (err)
return err;
return nvhost_client_device_init(dev);
}
static int __exit vi_remove(struct nvhost_device *dev)
{
/* Add clean-up */
return 0;
}
static int vi_suspend(struct nvhost_device *dev, pm_message_t state)
{
return nvhost_client_device_suspend(dev);
}
static int vi_resume(struct nvhost_device *dev)
{
dev_info(&dev->dev, "resuming\n");
return 0;
}
static struct resource vi_resources = {
.name = "regs",
.start = TEGRA_VI_BASE,
.end = TEGRA_VI_BASE + TEGRA_VI_SIZE - 1,
.flags = IORESOURCE_MEM,
};
struct nvhost_device *vi_device;
static struct nvhost_driver vi_driver = {
.probe = vi_probe,
.remove = __exit_p(vi_remove),
#ifdef CONFIG_PM
.suspend = vi_suspend,
.resume = vi_resume,
#endif
.driver = {
.owner = THIS_MODULE,
.name = "vi",
}
};
static int __init vi_init(void)
{
int err;
vi_device = nvhost_get_device("vi");
if (!vi_device)
return -ENXIO;
vi_device->resource = &vi_resources;
vi_device->num_resources = 1;
err = nvhost_device_register(vi_device);
if (err)
return err;
return nvhost_driver_register(&vi_driver);
}
static void __exit vi_exit(void)
{
nvhost_driver_unregister(&vi_driver);
}
module_init(vi_init);
module_exit(vi_exit);
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