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/* vim: set ts=8 sw=8 tw=78 ai noexpandtab */
/* qxl_drv.c -- QXL driver -*- linux-c -*-
*
* Copyright 2011 Red Hat, Inc.
* All Rights Reserved.
*
* 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:
* Dave Airlie <airlie@redhat.com>
* Alon Levy <alevy@redhat.com>
*/
#include <linux/module.h>
#include <linux/console.h>
#include "drmP.h"
#include "drm/drm.h"
#include "qxl_drv.h"
extern int qxl_max_ioctls;
static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
{ 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8,
0xffff00, 0 },
{ 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8,
0xffff00, 0 },
{ 0, 0, 0 },
};
MODULE_DEVICE_TABLE(pci, pciidlist);
static int qxl_modeset = -1;
int qxl_num_crtc = 4;
MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
module_param_named(modeset, qxl_modeset, int, 0400);
MODULE_PARM_DESC(num_heads, "Number of virtual crtcs to expose (default 4)");
module_param_named(num_heads, qxl_num_crtc, int, 0400);
static struct drm_driver qxl_driver;
static struct pci_driver qxl_pci_driver;
static int
qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
if (pdev->revision < 4) {
DRM_ERROR("qxl too old, doesn't support client_monitors_config,"
" use xf86-video-qxl in user mode");
return -EINVAL; /* TODO: ENODEV ? */
}
return drm_get_pci_dev(pdev, ent, &qxl_driver);
}
static void
qxl_pci_remove(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
drm_put_dev(dev);
}
static struct pci_driver qxl_pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
.probe = qxl_pci_probe,
.remove = qxl_pci_remove,
};
static const struct file_operations qxl_fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
.poll = drm_poll,
.fasync = drm_fasync,
.mmap = qxl_mmap,
};
static struct drm_driver qxl_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET |
DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
.dev_priv_size = 0,
.load = qxl_driver_load,
.unload = qxl_driver_unload,
.dumb_create = qxl_mode_dumb_create,
.dumb_map_offset = qxl_mode_dumb_mmap,
.dumb_destroy = qxl_mode_dumb_destroy,
#if defined(CONFIG_DEBUG_FS)
.debugfs_init = qxl_debugfs_init,
.debugfs_cleanup = qxl_debugfs_takedown,
#endif
.gem_init_object = qxl_gem_object_init,
.gem_free_object = qxl_gem_object_free,
.gem_open_object = qxl_gem_object_open,
.gem_close_object = qxl_gem_object_close,
.fops = &qxl_fops,
.ioctls = qxl_ioctls,
.irq_handler = qxl_irq_handler,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = 0,
.minor = 1,
.patchlevel = 0,
};
static int __init qxl_init(void)
{
#ifdef CONFIG_VGA_CONSOLE
if (vgacon_text_force() && qxl_modeset == -1)
return -EINVAL;
#endif
if (qxl_modeset == 0)
return -EINVAL;
qxl_driver.num_ioctls = qxl_max_ioctls;
return drm_pci_init(&qxl_driver, &qxl_pci_driver);
}
static void __exit qxl_exit(void)
{
drm_pci_exit(&qxl_driver, &qxl_pci_driver);
}
module_init(qxl_init);
module_exit(qxl_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
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