e0b8582173
We don't explicity check for error here and M_WAITOK will just put the process to sleep waiting on resources to become available. Suggested by jhb@ Approved by: jhb (mentor)
133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
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* Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
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*/
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/*-
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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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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* Rickard E. (Rik) Faith <faith@valinux.com>
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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/r128_drm.h"
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#include "dev/drm/r128_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 r128_pciidlist[] = {
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r128_PCI_IDS
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};
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static void r128_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_USE_MTRR | DRIVER_PCI_DMA |
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DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
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dev->driver->buf_priv_size = sizeof(drm_r128_buf_priv_t);
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dev->driver->preclose = r128_driver_preclose;
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dev->driver->lastclose = r128_driver_lastclose;
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dev->driver->get_vblank_counter = r128_get_vblank_counter;
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dev->driver->enable_vblank = r128_enable_vblank;
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dev->driver->disable_vblank = r128_disable_vblank;
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dev->driver->irq_preinstall = r128_driver_irq_preinstall;
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dev->driver->irq_postinstall = r128_driver_irq_postinstall;
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dev->driver->irq_uninstall = r128_driver_irq_uninstall;
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dev->driver->irq_handler = r128_driver_irq_handler;
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dev->driver->dma_ioctl = r128_cce_buffers;
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dev->driver->ioctls = r128_ioctls;
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dev->driver->max_ioctl = r128_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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r128_probe(device_t dev)
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{
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return drm_probe(dev, r128_pciidlist);
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}
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static int
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r128_attach(device_t nbdev)
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{
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struct drm_device *dev = device_get_softc(nbdev);
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bzero(dev, sizeof(struct drm_device));
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dev->driver = malloc(sizeof(struct drm_driver_info), M_DRM,
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M_WAITOK | M_ZERO);
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r128_configure(dev);
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return drm_attach(nbdev, r128_pciidlist);
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}
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static int
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r128_detach(device_t nbdev)
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{
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struct drm_device *dev = device_get_softc(nbdev);
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int ret;
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ret = drm_detach(nbdev);
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free(dev->driver, M_DRM);
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return ret;
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}
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static device_method_t r128_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, r128_probe),
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DEVMETHOD(device_attach, r128_attach),
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DEVMETHOD(device_detach, r128_detach),
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{ 0, 0 }
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};
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static driver_t r128_driver = {
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"drm",
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r128_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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#if __FreeBSD_version >= 700010
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DRIVER_MODULE(r128, vgapci, r128_driver, drm_devclass, 0, 0);
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#else
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DRIVER_MODULE(r128, pci, r128_driver, drm_devclass, 0, 0);
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#endif
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MODULE_DEPEND(r128, drm, 1, 1, 1);
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