158 lines
4.3 KiB
C
158 lines
4.3 KiB
C
/* i915_drv.c -- Intel i915 driver -*- linux-c -*-
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* Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
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*/
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/*-
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Gareth Hughes <gareth@valinux.com>
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "dev/drm/drmP.h"
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#include "dev/drm/drm.h"
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#include "dev/drm/drm_mm.h"
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#include "dev/drm/i915_drm.h"
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#include "dev/drm/i915_drv.h"
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#include "dev/drm/drm_pciids.h"
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/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
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static drm_pci_id_list_t i915_pciidlist[] = {
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i915_PCI_IDS
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};
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static int i915_suspend(device_t kdev)
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{
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struct drm_device *dev = device_get_softc(kdev);
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if (!dev || !dev->dev_private) {
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DRM_ERROR("DRM not initialized, aborting suspend.\n");
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return -ENODEV;
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}
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DRM_LOCK();
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DRM_DEBUG("starting suspend\n");
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i915_save_state(dev);
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DRM_UNLOCK();
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return (bus_generic_suspend(kdev));
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}
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static int i915_resume(device_t kdev)
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{
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struct drm_device *dev = device_get_softc(kdev);
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DRM_LOCK();
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i915_restore_state(dev);
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DRM_DEBUG("finished resume\n");
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DRM_UNLOCK();
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return (bus_generic_resume(kdev));
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}
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static void i915_configure(struct drm_device *dev)
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{
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dev->driver->driver_features =
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DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
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DRIVER_HAVE_IRQ;
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dev->driver->buf_priv_size = sizeof(drm_i915_private_t);
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dev->driver->load = i915_driver_load;
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dev->driver->unload = i915_driver_unload;
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dev->driver->preclose = i915_driver_preclose;
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dev->driver->lastclose = i915_driver_lastclose;
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dev->driver->device_is_agp = i915_driver_device_is_agp;
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dev->driver->enable_vblank = i915_enable_vblank;
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dev->driver->disable_vblank = i915_disable_vblank;
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dev->driver->irq_preinstall = i915_driver_irq_preinstall;
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dev->driver->irq_postinstall = i915_driver_irq_postinstall;
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dev->driver->irq_uninstall = i915_driver_irq_uninstall;
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dev->driver->irq_handler = i915_driver_irq_handler;
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dev->driver->ioctls = i915_ioctls;
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dev->driver->max_ioctl = i915_max_ioctl;
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dev->driver->name = DRIVER_NAME;
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dev->driver->desc = DRIVER_DESC;
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dev->driver->date = DRIVER_DATE;
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dev->driver->major = DRIVER_MAJOR;
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dev->driver->minor = DRIVER_MINOR;
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dev->driver->patchlevel = DRIVER_PATCHLEVEL;
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}
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static int
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i915_probe(device_t kdev)
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{
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return drm_probe(kdev, i915_pciidlist);
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}
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static int
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i915_attach(device_t kdev)
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{
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struct drm_device *dev = device_get_softc(kdev);
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dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
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M_WAITOK | M_ZERO);
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i915_configure(dev);
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return drm_attach(kdev, i915_pciidlist);
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}
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static int
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i915_detach(device_t kdev)
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{
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struct drm_device *dev = device_get_softc(kdev);
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int ret;
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ret = drm_detach(kdev);
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free(dev->driver, DRM_MEM_DRIVER);
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return ret;
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}
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static device_method_t i915_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, i915_probe),
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DEVMETHOD(device_attach, i915_attach),
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DEVMETHOD(device_suspend, i915_suspend),
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DEVMETHOD(device_resume, i915_resume),
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DEVMETHOD(device_detach, i915_detach),
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{ 0, 0 }
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};
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static driver_t i915_driver = {
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"drm",
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i915_methods,
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sizeof(struct drm_device)
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};
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extern devclass_t drm_devclass;
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DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0);
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MODULE_DEPEND(i915, drm, 1, 1, 1);
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