freebsd-dev/sys/dev/drm/i915_drv.c

158 lines
4.3 KiB
C

/* i915_drv.c -- Intel i915 driver -*- linux-c -*-
* Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
*/
/*-
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* 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:
* Gareth Hughes <gareth@valinux.com>
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "dev/drm/drmP.h"
#include "dev/drm/drm.h"
#include "dev/drm/drm_mm.h"
#include "dev/drm/i915_drm.h"
#include "dev/drm/i915_drv.h"
#include "dev/drm/drm_pciids.h"
/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
static drm_pci_id_list_t i915_pciidlist[] = {
i915_PCI_IDS
};
static int i915_suspend(device_t kdev)
{
struct drm_device *dev = device_get_softc(kdev);
if (!dev || !dev->dev_private) {
DRM_ERROR("DRM not initialized, aborting suspend.\n");
return -ENODEV;
}
DRM_LOCK();
DRM_DEBUG("starting suspend\n");
i915_save_state(dev);
DRM_UNLOCK();
return (bus_generic_suspend(kdev));
}
static int i915_resume(device_t kdev)
{
struct drm_device *dev = device_get_softc(kdev);
DRM_LOCK();
i915_restore_state(dev);
DRM_DEBUG("finished resume\n");
DRM_UNLOCK();
return (bus_generic_resume(kdev));
}
static void i915_configure(struct drm_device *dev)
{
dev->driver->driver_features =
DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
DRIVER_HAVE_IRQ;
dev->driver->buf_priv_size = sizeof(drm_i915_private_t);
dev->driver->load = i915_driver_load;
dev->driver->unload = i915_driver_unload;
dev->driver->preclose = i915_driver_preclose;
dev->driver->lastclose = i915_driver_lastclose;
dev->driver->device_is_agp = i915_driver_device_is_agp;
dev->driver->enable_vblank = i915_enable_vblank;
dev->driver->disable_vblank = i915_disable_vblank;
dev->driver->irq_preinstall = i915_driver_irq_preinstall;
dev->driver->irq_postinstall = i915_driver_irq_postinstall;
dev->driver->irq_uninstall = i915_driver_irq_uninstall;
dev->driver->irq_handler = i915_driver_irq_handler;
dev->driver->ioctls = i915_ioctls;
dev->driver->max_ioctl = i915_max_ioctl;
dev->driver->name = DRIVER_NAME;
dev->driver->desc = DRIVER_DESC;
dev->driver->date = DRIVER_DATE;
dev->driver->major = DRIVER_MAJOR;
dev->driver->minor = DRIVER_MINOR;
dev->driver->patchlevel = DRIVER_PATCHLEVEL;
}
static int
i915_probe(device_t kdev)
{
return drm_probe(kdev, i915_pciidlist);
}
static int
i915_attach(device_t kdev)
{
struct drm_device *dev = device_get_softc(kdev);
dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
M_WAITOK | M_ZERO);
i915_configure(dev);
return drm_attach(kdev, i915_pciidlist);
}
static int
i915_detach(device_t kdev)
{
struct drm_device *dev = device_get_softc(kdev);
int ret;
ret = drm_detach(kdev);
free(dev->driver, DRM_MEM_DRIVER);
return ret;
}
static device_method_t i915_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, i915_probe),
DEVMETHOD(device_attach, i915_attach),
DEVMETHOD(device_suspend, i915_suspend),
DEVMETHOD(device_resume, i915_resume),
DEVMETHOD(device_detach, i915_detach),
{ 0, 0 }
};
static driver_t i915_driver = {
"drm",
i915_methods,
sizeof(struct drm_device)
};
extern devclass_t drm_devclass;
DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0);
MODULE_DEPEND(i915, drm, 1, 1, 1);