forked from Minki/linux
116 lines
2.5 KiB
C
116 lines
2.5 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2012 Avionic Design GmbH
|
||
|
|
* Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/of_address.h>
|
||
|
|
#include <linux/of_platform.h>
|
||
|
|
|
||
|
|
#include <mach/clk.h>
|
||
|
|
#include <linux/dma-mapping.h>
|
||
|
|
#include <asm/dma-iommu.h>
|
||
|
|
|
||
|
|
#include "drm.h"
|
||
|
|
|
||
|
|
#define DRIVER_NAME "tegra"
|
||
|
|
#define DRIVER_DESC "NVIDIA Tegra graphics"
|
||
|
|
#define DRIVER_DATE "20120330"
|
||
|
|
#define DRIVER_MAJOR 0
|
||
|
|
#define DRIVER_MINOR 0
|
||
|
|
#define DRIVER_PATCHLEVEL 0
|
||
|
|
|
||
|
|
static int tegra_drm_load(struct drm_device *drm, unsigned long flags)
|
||
|
|
{
|
||
|
|
struct device *dev = drm->dev;
|
||
|
|
struct host1x *host1x;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
host1x = dev_get_drvdata(dev);
|
||
|
|
drm->dev_private = host1x;
|
||
|
|
host1x->drm = drm;
|
||
|
|
|
||
|
|
drm_mode_config_init(drm);
|
||
|
|
|
||
|
|
err = host1x_drm_init(host1x, drm);
|
||
|
|
if (err < 0)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
err = tegra_drm_fb_init(drm);
|
||
|
|
if (err < 0)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
drm_kms_helper_poll_init(drm);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int tegra_drm_unload(struct drm_device *drm)
|
||
|
|
{
|
||
|
|
drm_kms_helper_poll_fini(drm);
|
||
|
|
tegra_drm_fb_exit(drm);
|
||
|
|
|
||
|
|
drm_mode_config_cleanup(drm);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void tegra_drm_lastclose(struct drm_device *drm)
|
||
|
|
{
|
||
|
|
struct host1x *host1x = drm->dev_private;
|
||
|
|
|
||
|
|
drm_fbdev_cma_restore_mode(host1x->fbdev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct drm_ioctl_desc tegra_drm_ioctls[] = {
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct file_operations tegra_drm_fops = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.open = drm_open,
|
||
|
|
.release = drm_release,
|
||
|
|
.unlocked_ioctl = drm_ioctl,
|
||
|
|
.mmap = drm_gem_cma_mmap,
|
||
|
|
.poll = drm_poll,
|
||
|
|
.fasync = drm_fasync,
|
||
|
|
.read = drm_read,
|
||
|
|
#ifdef CONFIG_COMPAT
|
||
|
|
.compat_ioctl = drm_compat_ioctl,
|
||
|
|
#endif
|
||
|
|
.llseek = noop_llseek,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct drm_driver tegra_drm_driver = {
|
||
|
|
.driver_features = DRIVER_BUS_PLATFORM | DRIVER_MODESET | DRIVER_GEM,
|
||
|
|
.load = tegra_drm_load,
|
||
|
|
.unload = tegra_drm_unload,
|
||
|
|
.open = tegra_drm_open,
|
||
|
|
.lastclose = tegra_drm_lastclose,
|
||
|
|
|
||
|
|
.gem_free_object = drm_gem_cma_free_object,
|
||
|
|
.gem_vm_ops = &drm_gem_cma_vm_ops,
|
||
|
|
.dumb_create = drm_gem_cma_dumb_create,
|
||
|
|
.dumb_map_offset = drm_gem_cma_dumb_map_offset,
|
||
|
|
.dumb_destroy = drm_gem_cma_dumb_destroy,
|
||
|
|
|
||
|
|
.ioctls = tegra_drm_ioctls,
|
||
|
|
.num_ioctls = ARRAY_SIZE(tegra_drm_ioctls),
|
||
|
|
.fops = &tegra_drm_fops,
|
||
|
|
|
||
|
|
.name = DRIVER_NAME,
|
||
|
|
.desc = DRIVER_DESC,
|
||
|
|
.date = DRIVER_DATE,
|
||
|
|
.major = DRIVER_MAJOR,
|
||
|
|
.minor = DRIVER_MINOR,
|
||
|
|
.patchlevel = DRIVER_PATCHLEVEL,
|
||
|
|
};
|