2002-04-27 20:47:57 +00:00
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/* drm_drv.h -- Generic driver template -*- linux-c -*-
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* Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
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*
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* Copyright 1999, 2000 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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* $FreeBSD$
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*/
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/*
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* To use this template, you must at least define the following (samples
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* given for the MGA driver):
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*
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* #define DRIVER_AUTHOR "VA Linux Systems, Inc."
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*
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* #define DRIVER_NAME "mga"
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* #define DRIVER_DESC "Matrox G200/G400"
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* #define DRIVER_DATE "20001127"
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*
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* #define DRIVER_MAJOR 2
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* #define DRIVER_MINOR 0
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* #define DRIVER_PATCHLEVEL 2
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*
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* #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls )
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*
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* #define DRM(x) mga_##x
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*/
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#ifndef __MUST_HAVE_AGP
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#define __MUST_HAVE_AGP 0
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#endif
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#ifndef __HAVE_CTX_BITMAP
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#define __HAVE_CTX_BITMAP 0
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#endif
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#ifndef __HAVE_DMA_IRQ
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#define __HAVE_DMA_IRQ 0
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#endif
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#ifndef __HAVE_DMA_QUEUE
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#define __HAVE_DMA_QUEUE 0
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#endif
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#ifndef __HAVE_MULTIPLE_DMA_QUEUES
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#define __HAVE_MULTIPLE_DMA_QUEUES 0
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#endif
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#ifndef __HAVE_DMA_SCHEDULE
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#define __HAVE_DMA_SCHEDULE 0
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#endif
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#ifndef __HAVE_DMA_FLUSH
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#define __HAVE_DMA_FLUSH 0
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#endif
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#ifndef __HAVE_DMA_READY
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#define __HAVE_DMA_READY 0
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#endif
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#ifndef __HAVE_DMA_QUIESCENT
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#define __HAVE_DMA_QUIESCENT 0
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#endif
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#ifndef __HAVE_RELEASE
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#define __HAVE_RELEASE 0
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#endif
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#ifndef __HAVE_COUNTERS
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#define __HAVE_COUNTERS 0
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#endif
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#ifndef __HAVE_SG
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#define __HAVE_SG 0
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#endif
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#ifndef __HAVE_KERNEL_CTX_SWITCH
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#define __HAVE_KERNEL_CTX_SWITCH 0
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#endif
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#ifndef PCI_ANY_ID
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#define PCI_ANY_ID ~0
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#endif
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#ifndef DRIVER_PREINIT
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#define DRIVER_PREINIT()
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#endif
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#ifndef DRIVER_POSTINIT
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#define DRIVER_POSTINIT()
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#endif
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#ifndef DRIVER_PRERELEASE
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#define DRIVER_PRERELEASE()
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#endif
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#ifndef DRIVER_PRETAKEDOWN
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#define DRIVER_PRETAKEDOWN()
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#endif
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#ifndef DRIVER_POSTCLEANUP
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#define DRIVER_POSTCLEANUP()
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#endif
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#ifndef DRIVER_PRESETUP
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#define DRIVER_PRESETUP()
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#endif
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#ifndef DRIVER_POSTSETUP
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#define DRIVER_POSTSETUP()
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#endif
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#ifndef DRIVER_IOCTLS
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#define DRIVER_IOCTLS
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#endif
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#ifndef DRIVER_FOPS
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#ifdef __linux__
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#define DRIVER_FOPS \
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static struct file_operations DRM(fops) = { \
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owner: THIS_MODULE, \
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open: DRM(open), \
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flush: DRM(flush), \
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release: DRM(release), \
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ioctl: DRM(ioctl), \
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mmap: DRM(mmap), \
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read: DRM(read), \
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fasync: DRM(fasync), \
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poll: DRM(poll), \
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}
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#endif /* __linux__ */
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#ifdef __FreeBSD__
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#if DRM_LINUX
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#include <sys/file.h>
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#include <sys/proc.h>
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#include <machine/../linux/linux.h>
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#include <machine/../linux/linux_proto.h>
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#include "dev/drm/drm_linux.h"
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#endif
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#endif /* __FreeBSD__ */
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#endif
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/*
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* The default number of instances (minor numbers) to initialize.
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*/
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#ifndef DRIVER_NUM_CARDS
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#define DRIVER_NUM_CARDS 1
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#endif
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#ifdef __FreeBSD__
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static int DRM(init)(device_t nbdev);
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static void DRM(cleanup)(device_t nbdev);
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#define CDEV_MAJOR 145
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#define DRIVER_SOFTC(unit) \
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((drm_device_t *) devclass_get_softc(DRM(devclass), unit))
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#if __REALLY_HAVE_AGP
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MODULE_DEPEND(DRIVER_NAME, agp, 1, 1, 1);
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#endif
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#if DRM_LINUX
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MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
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#endif
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#endif /* __FreeBSD__ */
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static drm_device_t *DRM(device);
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static int *DRM(minor);
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static int DRM(numdevs) = 0;
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#ifdef __linux__
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DRIVER_FOPS;
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#endif /* __linux__ */
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static drm_ioctl_desc_t DRM(ioctls)[] = {
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[DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { DRM(version), 0, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { DRM(getunique), 0, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { DRM(getmagic), 0, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { DRM(irq_busid), 0, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { DRM(getmap), 0, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { DRM(getclient), 0, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { DRM(getstats), 0, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { DRM(setunique), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { DRM(block), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { DRM(unblock), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { DRM(authmagic), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { DRM(addmap), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { DRM(rmmap), 1, 0 },
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#if __HAVE_CTX_BITMAP
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[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { DRM(setsareactx), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { DRM(getsareactx), 1, 0 },
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#endif
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[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { DRM(addctx), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { DRM(rmctx), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { DRM(modctx), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { DRM(getctx), 1, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { DRM(switchctx), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { DRM(newctx), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { DRM(resctx), 1, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { DRM(adddraw), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { DRM(rmdraw), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { DRM(lock), 1, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { DRM(unlock), 1, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { DRM(finish), 1, 0 },
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#if __HAVE_DMA
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[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { DRM(addbufs), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { DRM(markbufs), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { DRM(infobufs), 1, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { DRM(mapbufs), 1, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { DRM(freebufs), 1, 0 },
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/* The DRM_IOCTL_DMA ioctl should be defined by the driver.
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*/
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#if __HAVE_DMA_IRQ
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[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { DRM(control), 1, 1 },
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#endif
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#endif
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#if __REALLY_HAVE_AGP
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[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { DRM(agp_acquire), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { DRM(agp_release), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { DRM(agp_enable), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { DRM(agp_info), 1, 0 },
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[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { DRM(agp_alloc), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { DRM(agp_free), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { DRM(agp_bind), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { DRM(agp_unbind), 1, 1 },
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#endif
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#if __REALLY_HAVE_SG
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[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { DRM(sg_alloc), 1, 1 },
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[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { DRM(sg_free), 1, 1 },
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#endif
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DRIVER_IOCTLS
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};
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#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( DRM(ioctls) )
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#ifdef __linux__
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#ifdef MODULE
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static char *drm_opts = NULL;
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#endif
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MODULE_AUTHOR( DRIVER_AUTHOR );
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MODULE_DESCRIPTION( DRIVER_DESC );
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MODULE_PARM( drm_opts, "s" );
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MODULE_LICENSE("GPL and additional rights");
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#endif /* __linux__ */
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#ifdef __FreeBSD__
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static int DRM(probe)(device_t dev)
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{
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const char *s = 0;
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int pciid=pci_get_devid(dev);
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int vendor = (pciid & 0x0000ffff);
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int device = (pciid & 0xffff0000) >> 16;
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int i=0, done=0;
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/*DRM_INFO("Checking PCI vendor=%d, device=%d\n", vendor, device);*/
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while ( !done && (DRM(devicelist)[i].vendor != 0 ) ) {
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if ( (DRM(devicelist)[i].vendor == vendor) &&
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(DRM(devicelist)[i].device == device) ) {
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done=1;
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if ( DRM(devicelist)[i].supported )
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s = DRM(devicelist)[i].name;
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else
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DRM_INFO("%s not supported\n", DRM(devicelist)[i].name);
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}
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i++;
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}
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if (s) {
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device_set_desc(dev, s);
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return 0;
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}
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return ENXIO;
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}
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static int DRM(attach)(device_t dev)
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{
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return DRM(init)(dev);
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}
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static int DRM(detach)(device_t dev)
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{
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DRM(cleanup)(dev);
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|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static device_method_t DRM(methods)[] = {
|
|
|
|
|
/* Device interface */
|
|
|
|
|
DEVMETHOD(device_probe, DRM( probe)),
|
|
|
|
|
DEVMETHOD(device_attach, DRM( attach)),
|
|
|
|
|
DEVMETHOD(device_detach, DRM( detach)),
|
|
|
|
|
|
|
|
|
|
{ 0, 0 }
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static driver_t DRM(driver) = {
|
|
|
|
|
"drm",
|
|
|
|
|
DRM(methods),
|
|
|
|
|
sizeof(drm_device_t),
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static devclass_t DRM( devclass);
|
|
|
|
|
|
|
|
|
|
static struct cdevsw DRM( cdevsw) = {
|
|
|
|
|
/* open */ DRM( open ),
|
|
|
|
|
/* close */ DRM( close ),
|
|
|
|
|
/* read */ DRM( read ),
|
|
|
|
|
/* write */ DRM( write ),
|
|
|
|
|
/* ioctl */ DRM( ioctl ),
|
|
|
|
|
/* poll */ DRM( poll ),
|
|
|
|
|
/* mmap */ DRM( mmap ),
|
|
|
|
|
/* strategy */ nostrategy,
|
|
|
|
|
/* name */ DRIVER_NAME,
|
|
|
|
|
/* maj */ CDEV_MAJOR,
|
|
|
|
|
/* dump */ nodump,
|
|
|
|
|
/* psize */ nopsize,
|
|
|
|
|
/* flags */ D_TTY | D_TRACKCLOSE,
|
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
|
|
|
/* kqfilter */ 0
|
|
|
|
|
#else
|
|
|
|
|
/* bmaj */ -1
|
|
|
|
|
#endif
|
|
|
|
|
};
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
static int DRM(setup)( drm_device_t *dev )
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
DRIVER_PRESETUP();
|
|
|
|
|
atomic_set( &dev->ioctl_count, 0 );
|
|
|
|
|
atomic_set( &dev->vma_count, 0 );
|
|
|
|
|
dev->buf_use = 0;
|
|
|
|
|
atomic_set( &dev->buf_alloc, 0 );
|
|
|
|
|
|
|
|
|
|
#if __HAVE_DMA
|
|
|
|
|
i = DRM(dma_setup)( dev );
|
|
|
|
|
if ( i < 0 )
|
|
|
|
|
return i;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
dev->counters = 6 + __HAVE_COUNTERS;
|
|
|
|
|
dev->types[0] = _DRM_STAT_LOCK;
|
|
|
|
|
dev->types[1] = _DRM_STAT_OPENS;
|
|
|
|
|
dev->types[2] = _DRM_STAT_CLOSES;
|
|
|
|
|
dev->types[3] = _DRM_STAT_IOCTLS;
|
|
|
|
|
dev->types[4] = _DRM_STAT_LOCKS;
|
|
|
|
|
dev->types[5] = _DRM_STAT_UNLOCKS;
|
|
|
|
|
#ifdef __HAVE_COUNTER6
|
|
|
|
|
dev->types[6] = __HAVE_COUNTER6;
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __HAVE_COUNTER7
|
|
|
|
|
dev->types[7] = __HAVE_COUNTER7;
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __HAVE_COUNTER8
|
|
|
|
|
dev->types[8] = __HAVE_COUNTER8;
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __HAVE_COUNTER9
|
|
|
|
|
dev->types[9] = __HAVE_COUNTER9;
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __HAVE_COUNTER10
|
|
|
|
|
dev->types[10] = __HAVE_COUNTER10;
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __HAVE_COUNTER11
|
|
|
|
|
dev->types[11] = __HAVE_COUNTER11;
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __HAVE_COUNTER12
|
|
|
|
|
dev->types[12] = __HAVE_COUNTER12;
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __HAVE_COUNTER13
|
|
|
|
|
dev->types[13] = __HAVE_COUNTER13;
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __HAVE_COUNTER14
|
|
|
|
|
dev->types[14] = __HAVE_COUNTER14;
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __HAVE_COUNTER15
|
|
|
|
|
dev->types[14] = __HAVE_COUNTER14;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
|
|
|
|
|
atomic_set( &dev->counts[i], 0 );
|
|
|
|
|
|
|
|
|
|
for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
|
|
|
|
|
dev->magiclist[i].head = NULL;
|
|
|
|
|
dev->magiclist[i].tail = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
dev->maplist = DRM(alloc)(sizeof(*dev->maplist),
|
|
|
|
|
DRM_MEM_MAPS);
|
2002-04-29 00:25:10 +00:00
|
|
|
if(dev->maplist == NULL) return DRM_OS_ERR(ENOMEM);
|
2002-04-27 20:47:57 +00:00
|
|
|
memset(dev->maplist, 0, sizeof(*dev->maplist));
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
INIT_LIST_HEAD(&dev->maplist->head);
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
TAILQ_INIT(dev->maplist);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
dev->map_count = 0;
|
|
|
|
|
|
|
|
|
|
dev->vmalist = NULL;
|
|
|
|
|
dev->lock.hw_lock = NULL;
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
init_waitqueue_head( &dev->lock.lock_queue );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
dev->lock.lock_queue = 0;
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
dev->queue_count = 0;
|
|
|
|
|
dev->queue_reserved = 0;
|
|
|
|
|
dev->queue_slots = 0;
|
|
|
|
|
dev->queuelist = NULL;
|
|
|
|
|
dev->irq = 0;
|
|
|
|
|
dev->context_flag = 0;
|
|
|
|
|
dev->interrupt_flag = 0;
|
|
|
|
|
dev->dma_flag = 0;
|
|
|
|
|
dev->last_context = 0;
|
|
|
|
|
dev->last_switch = 0;
|
|
|
|
|
dev->last_checked = 0;
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
init_timer( &dev->timer );
|
|
|
|
|
init_waitqueue_head( &dev->context_wait );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
|
|
|
callout_init( &dev->timer, 1 );
|
|
|
|
|
#else
|
|
|
|
|
callout_init( &dev->timer );
|
|
|
|
|
#endif
|
|
|
|
|
dev->context_wait = 0;
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
dev->ctx_start = 0;
|
|
|
|
|
dev->lck_start = 0;
|
|
|
|
|
|
|
|
|
|
dev->buf_rp = dev->buf;
|
|
|
|
|
dev->buf_wp = dev->buf;
|
|
|
|
|
dev->buf_end = dev->buf + DRM_BSZ;
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
dev->buf_async = NULL;
|
|
|
|
|
init_waitqueue_head( &dev->buf_readers );
|
|
|
|
|
init_waitqueue_head( &dev->buf_writers );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
dev->buf_sigio = NULL;
|
|
|
|
|
dev->buf_readers = 0;
|
|
|
|
|
dev->buf_writers = 0;
|
|
|
|
|
dev->buf_selecting = 0;
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
DRM_DEBUG( "\n" );
|
|
|
|
|
|
|
|
|
|
/* The kernel's context could be created here, but is now created
|
|
|
|
|
* in drm_dma_enqueue. This is more resource-efficient for
|
|
|
|
|
* hardware that does not do DMA, but may mean that
|
|
|
|
|
* drm_select_queue fails between the time the interrupt is
|
|
|
|
|
* initialized and the time the queues are initialized.
|
|
|
|
|
*/
|
|
|
|
|
DRIVER_POSTSETUP();
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static int DRM(takedown)( drm_device_t *dev )
|
|
|
|
|
{
|
|
|
|
|
drm_magic_entry_t *pt, *next;
|
|
|
|
|
drm_map_t *map;
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
drm_map_list_t *r_list;
|
|
|
|
|
struct list_head *list, *list_next;
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
drm_map_list_entry_t *list;
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
drm_vma_entry_t *vma, *vma_next;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
DRM_DEBUG( "\n" );
|
|
|
|
|
|
|
|
|
|
DRIVER_PRETAKEDOWN();
|
|
|
|
|
#if __HAVE_DMA_IRQ
|
|
|
|
|
if ( dev->irq ) DRM(irq_uninstall)( dev );
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
DRM_OS_LOCK;
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
del_timer( &dev->timer );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
callout_stop( &dev->timer );
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
if ( dev->devname ) {
|
|
|
|
|
DRM(free)( dev->devname, strlen( dev->devname ) + 1,
|
|
|
|
|
DRM_MEM_DRIVER );
|
|
|
|
|
dev->devname = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ( dev->unique ) {
|
|
|
|
|
DRM(free)( dev->unique, strlen( dev->unique ) + 1,
|
|
|
|
|
DRM_MEM_DRIVER );
|
|
|
|
|
dev->unique = NULL;
|
|
|
|
|
dev->unique_len = 0;
|
|
|
|
|
}
|
|
|
|
|
/* Clear pid list */
|
|
|
|
|
for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
|
|
|
|
|
for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
|
|
|
|
|
next = pt->next;
|
|
|
|
|
DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC );
|
|
|
|
|
}
|
|
|
|
|
dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if __REALLY_HAVE_AGP
|
|
|
|
|
/* Clear AGP information */
|
|
|
|
|
if ( dev->agp ) {
|
|
|
|
|
drm_agp_mem_t *entry;
|
|
|
|
|
drm_agp_mem_t *nexte;
|
|
|
|
|
|
|
|
|
|
/* Remove AGP resources, but leave dev->agp
|
|
|
|
|
intact until drv_cleanup is called. */
|
|
|
|
|
for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
|
|
|
|
|
nexte = entry->next;
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
if ( entry->bound ) DRM(unbind_agp)( entry->memory );
|
|
|
|
|
DRM(free_agp)( entry->memory, entry->pages );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
if ( entry->bound ) DRM(unbind_agp)( entry->handle );
|
|
|
|
|
DRM(free_agp)( entry->handle, entry->pages );
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS );
|
|
|
|
|
}
|
|
|
|
|
dev->agp->memory = NULL;
|
|
|
|
|
|
|
|
|
|
if ( dev->agp->acquired ) DRM(agp_do_release)();
|
|
|
|
|
|
|
|
|
|
dev->agp->acquired = 0;
|
|
|
|
|
dev->agp->enabled = 0;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Clear vma list (only built for debugging) */
|
|
|
|
|
if ( dev->vmalist ) {
|
|
|
|
|
for ( vma = dev->vmalist ; vma ; vma = vma_next ) {
|
|
|
|
|
vma_next = vma->next;
|
|
|
|
|
DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS );
|
|
|
|
|
}
|
|
|
|
|
dev->vmalist = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if( dev->maplist ) {
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
for(list = dev->maplist->head.next;
|
|
|
|
|
list != &dev->maplist->head;
|
|
|
|
|
list = list_next) {
|
|
|
|
|
list_next = list->next;
|
|
|
|
|
r_list = (drm_map_list_t *)list;
|
|
|
|
|
map = r_list->map;
|
|
|
|
|
DRM(free)(r_list, sizeof(*r_list), DRM_MEM_MAPS);
|
|
|
|
|
if(!map) continue;
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
while ((list=TAILQ_FIRST(dev->maplist))) {
|
|
|
|
|
map = list->map;
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
switch ( map->type ) {
|
|
|
|
|
case _DRM_REGISTERS:
|
|
|
|
|
case _DRM_FRAME_BUFFER:
|
|
|
|
|
#if __REALLY_HAVE_MTRR
|
|
|
|
|
if ( map->mtrr >= 0 ) {
|
|
|
|
|
int retcode;
|
|
|
|
|
retcode = mtrr_del( map->mtrr,
|
|
|
|
|
map->offset,
|
|
|
|
|
map->size );
|
|
|
|
|
DRM_DEBUG( "mtrr_del=%d\n", retcode );
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
DRM(ioremapfree)( map->handle, map->size );
|
|
|
|
|
break;
|
|
|
|
|
case _DRM_SHM:
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
vfree(map->handle);
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
DRM(free_pages)((unsigned long)map->handle,
|
|
|
|
|
DRM(order)(map->size)
|
|
|
|
|
- PAGE_SHIFT,
|
|
|
|
|
DRM_MEM_SAREA);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case _DRM_AGP:
|
|
|
|
|
/* Do nothing here, because this is all
|
|
|
|
|
* handled in the AGP/GART driver.
|
|
|
|
|
*/
|
|
|
|
|
break;
|
|
|
|
|
case _DRM_SCATTER_GATHER:
|
|
|
|
|
/* Handle it, but do nothing, if REALLY_HAVE_SG
|
|
|
|
|
* isn't defined.
|
|
|
|
|
*/
|
|
|
|
|
#if __REALLY_HAVE_SG
|
|
|
|
|
if(dev->sg) {
|
|
|
|
|
DRM(sg_cleanup)(dev->sg);
|
|
|
|
|
dev->sg = NULL;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
TAILQ_REMOVE(dev->maplist, list, link);
|
|
|
|
|
DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
|
|
|
|
|
}
|
|
|
|
|
DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
|
|
|
|
|
dev->maplist = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if __HAVE_DMA_QUEUE || __HAVE_MULTIPLE_DMA_QUEUES
|
|
|
|
|
if ( dev->queuelist ) {
|
|
|
|
|
for ( i = 0 ; i < dev->queue_count ; i++ ) {
|
|
|
|
|
DRM(waitlist_destroy)( &dev->queuelist[i]->waitlist );
|
|
|
|
|
if ( dev->queuelist[i] ) {
|
|
|
|
|
DRM(free)( dev->queuelist[i],
|
|
|
|
|
sizeof(*dev->queuelist[0]),
|
|
|
|
|
DRM_MEM_QUEUES );
|
|
|
|
|
dev->queuelist[i] = NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
DRM(free)( dev->queuelist,
|
|
|
|
|
dev->queue_slots * sizeof(*dev->queuelist),
|
|
|
|
|
DRM_MEM_QUEUES );
|
|
|
|
|
dev->queuelist = NULL;
|
|
|
|
|
}
|
|
|
|
|
dev->queue_count = 0;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if __HAVE_DMA
|
|
|
|
|
DRM(dma_takedown)( dev );
|
|
|
|
|
#endif
|
|
|
|
|
if ( dev->lock.hw_lock ) {
|
|
|
|
|
dev->lock.hw_lock = NULL; /* SHM removed */
|
|
|
|
|
dev->lock.pid = 0;
|
|
|
|
|
DRM_OS_WAKEUP_INT(&dev->lock.lock_queue);
|
|
|
|
|
}
|
|
|
|
|
DRM_OS_UNLOCK;
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Figure out how many instances to initialize.
|
|
|
|
|
*/
|
|
|
|
|
static int drm_count_cards(void)
|
|
|
|
|
{
|
|
|
|
|
int num = 0;
|
|
|
|
|
#if defined(DRIVER_CARD_LIST)
|
|
|
|
|
int i;
|
|
|
|
|
drm_pci_list_t *l;
|
|
|
|
|
u16 device, vendor;
|
|
|
|
|
struct pci_dev *pdev = NULL;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
DRM_DEBUG( "\n" );
|
|
|
|
|
|
|
|
|
|
#if defined(DRIVER_COUNT_CARDS)
|
|
|
|
|
num = DRIVER_COUNT_CARDS();
|
|
|
|
|
#elif defined(DRIVER_CARD_LIST)
|
|
|
|
|
for (i = 0, l = DRIVER_CARD_LIST; l[i].vendor != 0; i++) {
|
|
|
|
|
pdev = NULL;
|
|
|
|
|
vendor = l[i].vendor;
|
|
|
|
|
device = l[i].device;
|
|
|
|
|
if(device == 0xffff) device = PCI_ANY_ID;
|
|
|
|
|
if(vendor == 0xffff) vendor = PCI_ANY_ID;
|
|
|
|
|
while ((pdev = pci_find_device(vendor, device, pdev))) {
|
|
|
|
|
num++; /* FIXME: What about two cards of the same device id? */
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
num = DRIVER_NUM_CARDS;
|
|
|
|
|
#endif
|
|
|
|
|
DRM_DEBUG("numdevs = %d\n", num);
|
|
|
|
|
return num;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* drm_init is called via init_module at module load time, or via
|
|
|
|
|
* linux/init/main.c (this is not currently supported).
|
|
|
|
|
*/
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
static int __init drm_init( void )
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
static int DRM(init)( device_t nbdev )
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
drm_device_t *dev;
|
|
|
|
|
int i;
|
|
|
|
|
#if __HAVE_CTX_BITMAP
|
|
|
|
|
int retcode;
|
|
|
|
|
#endif
|
|
|
|
|
DRM_DEBUG( "\n" );
|
|
|
|
|
|
|
|
|
|
#ifdef MODULE
|
|
|
|
|
DRM(parse_options)( drm_opts );
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
DRM(numdevs) = drm_count_cards();
|
|
|
|
|
/* Force at least one instance. */
|
|
|
|
|
if (DRM(numdevs) <= 0)
|
|
|
|
|
DRM(numdevs) = 1;
|
|
|
|
|
|
|
|
|
|
DRM(device) = DRM_OS_MALLOC(sizeof(*DRM(device)) * DRM(numdevs));
|
|
|
|
|
if (!DRM(device)) {
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(ENOMEM);
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
DRM(minor) = DRM_OS_MALLOC(sizeof(*(DRM(minor))) * DRM(numdevs));
|
|
|
|
|
if (!DRM(minor)) {
|
|
|
|
|
DRM_OS_FREE(DRM(device));
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(ENOMEM);
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DRIVER_PREINIT();
|
|
|
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
DRM(mem_init)();
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < DRM(numdevs); i++) {
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
dev = &(DRM(device)[i]);
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
int unit = device_get_unit(nbdev);
|
|
|
|
|
/* FIXME??? - multihead !!! */
|
|
|
|
|
dev = device_get_softc(nbdev);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
memset( (void *)dev, 0, sizeof(*dev) );
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
dev->count_lock = SPIN_LOCK_UNLOCKED;
|
|
|
|
|
sema_init( &dev->struct_sem, 1 );
|
|
|
|
|
if ((DRM(minor)[i] = DRM(stub_register)(DRIVER_NAME, &DRM(fops),dev)) < 0)
|
|
|
|
|
return -EPERM;
|
|
|
|
|
dev->device = MKDEV(DRM_MAJOR, DRM(minor)[i] );
|
|
|
|
|
dev->name = DRIVER_NAME;
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
DRM(minor)[i]=unit;
|
|
|
|
|
DRM_OS_SPININIT(dev->count_lock, "drm device");
|
|
|
|
|
lockinit(&dev->dev_lock, PZERO, "drmlk", 0, 0);
|
|
|
|
|
dev->device = nbdev;
|
|
|
|
|
dev->devnode = make_dev( &DRM(cdevsw),
|
|
|
|
|
unit,
|
|
|
|
|
DRM_DEV_UID,
|
|
|
|
|
DRM_DEV_GID,
|
|
|
|
|
DRM_DEV_MODE,
|
|
|
|
|
"dri/card%d", unit );
|
|
|
|
|
dev->name = DRIVER_NAME;
|
|
|
|
|
DRM(mem_init)();
|
|
|
|
|
DRM(sysctl_init)(dev);
|
|
|
|
|
TAILQ_INIT(&dev->files);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
#if __REALLY_HAVE_AGP
|
|
|
|
|
dev->agp = DRM(agp_init)();
|
|
|
|
|
#if __MUST_HAVE_AGP
|
|
|
|
|
if ( dev->agp == NULL ) {
|
|
|
|
|
DRM_ERROR( "Cannot initialize the agpgart module.\n" );
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
DRM(stub_unregister)(DRM(minor)[i]);
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
DRM(sysctl_cleanup)( dev );
|
|
|
|
|
destroy_dev(dev->devnode);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
DRM(takedown)( dev );
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(ENOMEM);
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
#if __REALLY_HAVE_MTRR
|
|
|
|
|
if (dev->agp)
|
|
|
|
|
dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base,
|
|
|
|
|
dev->agp->agp_info.aper_size*1024*1024,
|
|
|
|
|
MTRR_TYPE_WRCOMB,
|
|
|
|
|
1 );
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if __HAVE_CTX_BITMAP
|
|
|
|
|
retcode = DRM(ctxbitmap_init)( dev );
|
|
|
|
|
if( retcode ) {
|
|
|
|
|
DRM_ERROR( "Cannot allocate memory for context bitmap.\n" );
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
DRM(stub_unregister)(DRM(minor)[i]);
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
DRM(sysctl_cleanup)( dev );
|
|
|
|
|
destroy_dev(dev->devnode);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
DRM(takedown)( dev );
|
|
|
|
|
return retcode;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
|
|
|
|
|
DRIVER_NAME,
|
|
|
|
|
DRIVER_MAJOR,
|
|
|
|
|
DRIVER_MINOR,
|
|
|
|
|
DRIVER_PATCHLEVEL,
|
|
|
|
|
DRIVER_DATE,
|
|
|
|
|
DRM(minor)[i] );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DRIVER_POSTINIT();
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* drm_cleanup is called via cleanup_module at module unload time.
|
|
|
|
|
*/
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
static void __exit drm_cleanup( void )
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
static void DRM(cleanup)(device_t nbdev)
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
{
|
|
|
|
|
drm_device_t *dev;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
DRM_DEBUG( "\n" );
|
|
|
|
|
|
|
|
|
|
for (i = DRM(numdevs) - 1; i >= 0; i--) {
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
dev = &(DRM(device)[i]);
|
|
|
|
|
if ( DRM(stub_unregister)(DRM(minor)[i]) ) {
|
|
|
|
|
DRM_ERROR( "Cannot unload module\n" );
|
|
|
|
|
} else {
|
|
|
|
|
DRM_DEBUG("minor %d unregistered\n", DRM(minor)[i]);
|
|
|
|
|
if (i == 0) {
|
|
|
|
|
DRM_INFO( "Module unloaded\n" );
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
/* FIXME??? - multihead */
|
|
|
|
|
dev = device_get_softc(nbdev);
|
|
|
|
|
DRM(sysctl_cleanup)( dev );
|
|
|
|
|
destroy_dev(dev->devnode);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
#if __HAVE_CTX_BITMAP
|
|
|
|
|
DRM(ctxbitmap_cleanup)( dev );
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR
|
|
|
|
|
if ( dev->agp && dev->agp->agp_mtrr >= 0) {
|
|
|
|
|
int retval;
|
|
|
|
|
retval = mtrr_del( dev->agp->agp_mtrr,
|
|
|
|
|
dev->agp->agp_info.aper_base,
|
|
|
|
|
dev->agp->agp_info.aper_size*1024*1024 );
|
|
|
|
|
DRM_DEBUG( "mtrr_del=%d\n", retval );
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
DRM(takedown)( dev );
|
|
|
|
|
|
|
|
|
|
#if __REALLY_HAVE_AGP
|
|
|
|
|
if ( dev->agp ) {
|
|
|
|
|
DRM(agp_uninit)();
|
|
|
|
|
DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
|
|
|
|
|
dev->agp = NULL;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
DRIVER_POSTCLEANUP();
|
|
|
|
|
DRM_OS_FREE(DRM(minor));
|
|
|
|
|
DRM_OS_FREE(DRM(device));
|
|
|
|
|
DRM(numdevs) = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
module_init( drm_init );
|
|
|
|
|
module_exit( drm_cleanup );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
|
|
|
|
|
int DRM(version)( DRM_OS_IOCTL )
|
|
|
|
|
{
|
|
|
|
|
drm_version_t version;
|
|
|
|
|
int len;
|
|
|
|
|
|
|
|
|
|
DRM_OS_KRNFROMUSR( version, (drm_version_t *)data, sizeof(version) );
|
|
|
|
|
|
|
|
|
|
#define DRM_COPY( name, value ) \
|
|
|
|
|
len = strlen( value ); \
|
|
|
|
|
if ( len > name##_len ) len = name##_len; \
|
|
|
|
|
name##_len = strlen( value ); \
|
|
|
|
|
if ( len && name ) { \
|
|
|
|
|
if ( DRM_OS_COPYTOUSR( name, value, len ) ) \
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(EFAULT); \
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
version.version_major = DRIVER_MAJOR;
|
|
|
|
|
version.version_minor = DRIVER_MINOR;
|
|
|
|
|
version.version_patchlevel = DRIVER_PATCHLEVEL;
|
|
|
|
|
|
|
|
|
|
DRM_COPY( version.name, DRIVER_NAME );
|
|
|
|
|
DRM_COPY( version.date, DRIVER_DATE );
|
|
|
|
|
DRM_COPY( version.desc, DRIVER_DESC );
|
|
|
|
|
|
|
|
|
|
DRM_OS_KRNTOUSR( (drm_version_t *)data, version, sizeof(version) );
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
int DRM(open)( struct inode *inode, struct file *filp )
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
int DRM( open)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p)
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
{
|
|
|
|
|
drm_device_t *dev = NULL;
|
|
|
|
|
int retcode = 0;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < DRM(numdevs); i++) {
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
if (MINOR(inode->i_rdev) == DRM(minor)[i]) {
|
|
|
|
|
dev = &(DRM(device)[i]);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
/* FIXME ??? - multihead */
|
|
|
|
|
dev = DRIVER_SOFTC(minor(kdev));
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
}
|
|
|
|
|
if (!dev) {
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(ENODEV);
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DRM_DEBUG( "open_count = %d\n", dev->open_count );
|
|
|
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
retcode = DRM(open_helper)( inode, filp, dev );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
device_busy(dev->device);
|
|
|
|
|
retcode = DRM(open_helper)(kdev, flags, fmt, p, dev);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
if ( !retcode ) {
|
|
|
|
|
atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
|
|
|
|
|
DRM_OS_SPINLOCK( &dev->count_lock );
|
|
|
|
|
if ( !dev->open_count++ ) {
|
|
|
|
|
DRM_OS_SPINUNLOCK( &dev->count_lock );
|
|
|
|
|
return DRM(setup)( dev );
|
|
|
|
|
}
|
|
|
|
|
DRM_OS_SPINUNLOCK( &dev->count_lock );
|
|
|
|
|
}
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
device_unbusy(dev->device);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
return retcode;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
int DRM(release)( struct inode *inode, struct file *filp )
|
|
|
|
|
{
|
|
|
|
|
drm_file_t *priv = filp->private_data;
|
|
|
|
|
drm_device_t *dev;
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
int DRM( close)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p)
|
|
|
|
|
{
|
|
|
|
|
drm_file_t *priv;
|
|
|
|
|
drm_device_t *dev = kdev->si_drv1;
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
int retcode = 0;
|
|
|
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
lock_kernel();
|
|
|
|
|
dev = priv->dev;
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
DRM_DEBUG( "open_count = %d\n", dev->open_count );
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
priv = DRM(find_file_by_proc)(dev, p);
|
|
|
|
|
if (!priv) {
|
|
|
|
|
DRM_DEBUG("can't find authenticator\n");
|
|
|
|
|
return EINVAL;
|
|
|
|
|
}
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
DRIVER_PRERELEASE();
|
|
|
|
|
|
|
|
|
|
/* ========================================================
|
|
|
|
|
* Begin inline drm_release
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
|
|
|
|
|
DRM_OS_CURRENTPID, (long)dev->device, dev->open_count );
|
|
|
|
|
|
|
|
|
|
if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
|
|
|
|
|
&& dev->lock.pid == DRM_OS_CURRENTPID) {
|
|
|
|
|
DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
|
|
|
|
|
DRM_OS_CURRENTPID,
|
|
|
|
|
_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
|
|
|
|
|
#if HAVE_DRIVER_RELEASE
|
|
|
|
|
DRIVER_RELEASE();
|
|
|
|
|
#endif
|
|
|
|
|
DRM(lock_free)(dev,
|
|
|
|
|
&dev->lock.hw_lock->lock,
|
|
|
|
|
_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
|
|
|
|
|
|
|
|
|
|
/* FIXME: may require heavy-handed reset of
|
|
|
|
|
hardware at this point, possibly
|
|
|
|
|
processed via a callback to the X
|
|
|
|
|
server. */
|
|
|
|
|
}
|
|
|
|
|
#if __HAVE_RELEASE
|
|
|
|
|
else if ( dev->lock.hw_lock ) {
|
|
|
|
|
/* The lock is required to reclaim buffers */
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
DECLARE_WAITQUEUE( entry, current );
|
|
|
|
|
add_wait_queue( &dev->lock.lock_queue, &entry );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
for (;;) {
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
current->state = TASK_INTERRUPTIBLE;
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
if ( !dev->lock.hw_lock ) {
|
|
|
|
|
/* Device has been unregistered */
|
2002-04-29 00:25:10 +00:00
|
|
|
retcode = DRM_OS_ERR(EINTR);
|
2002-04-27 20:47:57 +00:00
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
|
|
|
|
|
DRM_KERNEL_CONTEXT ) ) {
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
dev->lock.pid = priv->pid;
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
dev->lock.pid = p->p_pid;
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
dev->lock.lock_time = jiffies;
|
|
|
|
|
atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
|
|
|
|
|
break; /* Got lock */
|
|
|
|
|
}
|
|
|
|
|
/* Contention */
|
|
|
|
|
#if 0
|
|
|
|
|
atomic_inc( &dev->total_sleeps );
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
schedule();
|
|
|
|
|
if ( signal_pending( current ) ) {
|
2002-04-29 00:25:10 +00:00
|
|
|
retcode = DRM_OS_ERR(ERESTARTSYS);
|
2002-04-27 20:47:57 +00:00
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
retcode = tsleep(&dev->lock.lock_queue,
|
|
|
|
|
PZERO|PCATCH,
|
|
|
|
|
"drmlk2",
|
|
|
|
|
0);
|
|
|
|
|
if (retcode)
|
|
|
|
|
break;
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
}
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
current->state = TASK_RUNNING;
|
|
|
|
|
remove_wait_queue( &dev->lock.lock_queue, &entry );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
if( !retcode ) {
|
|
|
|
|
DRIVER_RELEASE();
|
|
|
|
|
DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
|
|
|
|
|
DRM_KERNEL_CONTEXT );
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#elif __HAVE_DMA
|
|
|
|
|
DRM(reclaim_buffers)( dev, priv->pid );
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
DRM(fasync)( -1, filp, 0 );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
2002-05-06 19:31:28 +00:00
|
|
|
funsetown(&dev->buf_sigio);
|
2002-04-27 20:47:57 +00:00
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
DRM_OS_LOCK;
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
if ( priv->remove_auth_on_close == 1 ) {
|
|
|
|
|
drm_file_t *temp = dev->file_first;
|
|
|
|
|
while ( temp ) {
|
|
|
|
|
temp->authenticated = 0;
|
|
|
|
|
temp = temp->next;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if ( priv->prev ) {
|
|
|
|
|
priv->prev->next = priv->next;
|
|
|
|
|
} else {
|
|
|
|
|
dev->file_first = priv->next;
|
|
|
|
|
}
|
|
|
|
|
if ( priv->next ) {
|
|
|
|
|
priv->next->prev = priv->prev;
|
|
|
|
|
} else {
|
|
|
|
|
dev->file_last = priv->prev;
|
|
|
|
|
}
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
priv = DRM(find_file_by_proc)(dev, p);
|
|
|
|
|
if (priv) {
|
|
|
|
|
priv->refs--;
|
|
|
|
|
if (!priv->refs) {
|
|
|
|
|
TAILQ_REMOVE(&dev->files, priv, link);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
DRM_OS_UNLOCK;
|
|
|
|
|
|
|
|
|
|
DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES );
|
|
|
|
|
|
|
|
|
|
/* ========================================================
|
|
|
|
|
* End inline drm_release
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
|
|
|
|
|
DRM_OS_SPINLOCK( &dev->count_lock );
|
|
|
|
|
if ( !--dev->open_count ) {
|
|
|
|
|
if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) {
|
|
|
|
|
DRM_ERROR( "Device busy: %ld %d\n",
|
|
|
|
|
(unsigned long)atomic_read( &dev->ioctl_count ),
|
|
|
|
|
dev->blocked );
|
|
|
|
|
DRM_OS_SPINUNLOCK( &dev->count_lock );
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
unlock_kernel();
|
|
|
|
|
#endif /* __linux__ */
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(EBUSY);
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
DRM_OS_SPINUNLOCK( &dev->count_lock );
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
unlock_kernel();
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
device_unbusy(dev->device);
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
return DRM(takedown)( dev );
|
|
|
|
|
}
|
|
|
|
|
DRM_OS_SPINUNLOCK( &dev->count_lock );
|
|
|
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
unlock_kernel();
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
|
2002-04-29 00:25:10 +00:00
|
|
|
return retcode;
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm.
|
|
|
|
|
*/
|
|
|
|
|
int DRM(ioctl)( DRM_OS_IOCTL )
|
|
|
|
|
{
|
|
|
|
|
DRM_OS_DEVICE;
|
|
|
|
|
int retcode = 0;
|
|
|
|
|
drm_ioctl_desc_t *ioctl;
|
|
|
|
|
drm_ioctl_t *func;
|
|
|
|
|
int nr = DRM_IOCTL_NR(cmd);
|
|
|
|
|
DRM_OS_PRIV;
|
|
|
|
|
|
|
|
|
|
atomic_inc( &dev->ioctl_count );
|
|
|
|
|
atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
|
|
|
|
|
++priv->ioctl_count;
|
|
|
|
|
|
|
|
|
|
DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
|
|
|
|
|
DRM_OS_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated );
|
|
|
|
|
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
switch (cmd) {
|
|
|
|
|
case FIONBIO:
|
|
|
|
|
atomic_dec(&dev->ioctl_count);
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
case FIOASYNC:
|
|
|
|
|
atomic_dec(&dev->ioctl_count);
|
|
|
|
|
dev->flags |= FASYNC;
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
case FIOSETOWN:
|
|
|
|
|
atomic_dec(&dev->ioctl_count);
|
|
|
|
|
return fsetown(*(int *)data, &dev->buf_sigio);
|
|
|
|
|
|
|
|
|
|
case FIOGETOWN:
|
|
|
|
|
atomic_dec(&dev->ioctl_count);
|
|
|
|
|
*(int *) data = fgetown(dev->buf_sigio);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
|
|
|
|
|
if ( nr >= DRIVER_IOCTL_COUNT ) {
|
2002-04-29 00:25:10 +00:00
|
|
|
retcode = DRM_OS_ERR(EINVAL);
|
2002-04-27 20:47:57 +00:00
|
|
|
} else {
|
|
|
|
|
ioctl = &DRM(ioctls)[nr];
|
|
|
|
|
func = ioctl->func;
|
|
|
|
|
|
|
|
|
|
if ( !func ) {
|
|
|
|
|
DRM_DEBUG( "no function\n" );
|
2002-04-29 00:25:10 +00:00
|
|
|
retcode = DRM_OS_ERR(EINVAL);
|
2002-04-27 20:47:57 +00:00
|
|
|
} else if ( ( ioctl->root_only && DRM_OS_CHECKSUSER )
|
|
|
|
|
|| ( ioctl->auth_needed && !priv->authenticated ) ) {
|
2002-04-29 00:25:10 +00:00
|
|
|
retcode = DRM_OS_ERR(EACCES);
|
2002-04-27 20:47:57 +00:00
|
|
|
} else {
|
2002-04-29 18:18:42 +00:00
|
|
|
retcode = func( IOCTL_ARGS_PASS );
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
atomic_dec( &dev->ioctl_count );
|
2002-04-29 00:25:10 +00:00
|
|
|
return retcode;
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int DRM(lock)( DRM_OS_IOCTL )
|
|
|
|
|
{
|
|
|
|
|
DRM_OS_DEVICE;
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
DECLARE_WAITQUEUE( entry, current );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
drm_lock_t lock;
|
|
|
|
|
int ret = 0;
|
|
|
|
|
#if __HAVE_MULTIPLE_DMA_QUEUES
|
|
|
|
|
drm_queue_t *q;
|
|
|
|
|
#endif
|
|
|
|
|
#if __HAVE_DMA_HISTOGRAM
|
|
|
|
|
cycles_t start;
|
|
|
|
|
|
|
|
|
|
dev->lck_start = start = get_cycles();
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
DRM_OS_KRNFROMUSR( lock, (drm_lock_t *)data, sizeof(lock) );
|
|
|
|
|
|
|
|
|
|
if ( lock.context == DRM_KERNEL_CONTEXT ) {
|
|
|
|
|
DRM_ERROR( "Process %d using kernel context %d\n",
|
|
|
|
|
DRM_OS_CURRENTPID, lock.context );
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(EINVAL);
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
|
|
|
|
|
lock.context, DRM_OS_CURRENTPID,
|
|
|
|
|
dev->lock.hw_lock->lock, lock.flags );
|
|
|
|
|
|
|
|
|
|
#if __HAVE_DMA_QUEUE
|
|
|
|
|
if ( lock.context < 0 )
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(EINVAL);
|
2002-04-27 20:47:57 +00:00
|
|
|
#elif __HAVE_MULTIPLE_DMA_QUEUES
|
|
|
|
|
if ( lock.context < 0 || lock.context >= dev->queue_count )
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(EINVAL);
|
2002-04-27 20:47:57 +00:00
|
|
|
q = dev->queuelist[lock.context];
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if __HAVE_DMA_FLUSH
|
|
|
|
|
ret = DRM(flush_block_and_flush)( dev, lock.context, lock.flags );
|
|
|
|
|
#endif
|
|
|
|
|
if ( !ret ) {
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
add_wait_queue( &dev->lock.lock_queue, &entry );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
for (;;) {
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
current->state = TASK_INTERRUPTIBLE;
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
if ( !dev->lock.hw_lock ) {
|
|
|
|
|
/* Device has been unregistered */
|
2002-04-29 18:18:42 +00:00
|
|
|
ret = DRM_OS_ERR(EINTR);
|
2002-04-27 20:47:57 +00:00
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
|
|
|
|
|
lock.context ) ) {
|
|
|
|
|
dev->lock.pid = DRM_OS_CURRENTPID;
|
|
|
|
|
dev->lock.lock_time = jiffies;
|
|
|
|
|
atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
|
|
|
|
|
break; /* Got lock */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Contention */
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
schedule();
|
|
|
|
|
if ( signal_pending( current ) ) {
|
2002-04-29 18:18:42 +00:00
|
|
|
ret = DRM_OS_ERR(ERESTARTSYS);
|
2002-04-27 20:47:57 +00:00
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
ret = tsleep(&dev->lock.lock_queue,
|
|
|
|
|
PZERO|PCATCH,
|
|
|
|
|
"drmlk2",
|
|
|
|
|
0);
|
|
|
|
|
if (ret)
|
|
|
|
|
break;
|
|
|
|
|
#endif /* __FreeBSD__ */
|
|
|
|
|
}
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
current->state = TASK_RUNNING;
|
|
|
|
|
remove_wait_queue( &dev->lock.lock_queue, &entry );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if __HAVE_DMA_FLUSH
|
|
|
|
|
DRM(flush_unblock)( dev, lock.context, lock.flags ); /* cleanup phase */
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
if ( !ret ) {
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
sigemptyset( &dev->sigmask );
|
|
|
|
|
sigaddset( &dev->sigmask, SIGSTOP );
|
|
|
|
|
sigaddset( &dev->sigmask, SIGTSTP );
|
|
|
|
|
sigaddset( &dev->sigmask, SIGTTIN );
|
|
|
|
|
sigaddset( &dev->sigmask, SIGTTOU );
|
|
|
|
|
dev->sigdata.context = lock.context;
|
|
|
|
|
dev->sigdata.lock = dev->lock.hw_lock;
|
|
|
|
|
block_all_signals( DRM(notifier),
|
|
|
|
|
&dev->sigdata, &dev->sigmask );
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
|
|
|
|
|
#if __HAVE_DMA_READY
|
|
|
|
|
if ( lock.flags & _DRM_LOCK_READY ) {
|
|
|
|
|
DRIVER_DMA_READY();
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
#if __HAVE_DMA_QUIESCENT
|
|
|
|
|
if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
|
|
|
|
|
DRIVER_DMA_QUIESCENT();
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
#if __HAVE_KERNEL_CTX_SWITCH
|
|
|
|
|
if ( dev->last_context != lock.context ) {
|
|
|
|
|
DRM(context_switch)(dev, dev->last_context,
|
|
|
|
|
lock.context);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
|
|
|
|
|
|
|
|
|
|
#if __HAVE_DMA_HISTOGRAM
|
|
|
|
|
atomic_inc(&dev->histo.lacq[DRM(histogram_slot)(get_cycles()-start)]);
|
|
|
|
|
#endif
|
|
|
|
|
|
2002-04-29 18:18:42 +00:00
|
|
|
return ret;
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int DRM(unlock)( DRM_OS_IOCTL )
|
|
|
|
|
{
|
|
|
|
|
DRM_OS_DEVICE;
|
|
|
|
|
drm_lock_t lock;
|
|
|
|
|
|
|
|
|
|
DRM_OS_KRNFROMUSR( lock, (drm_lock_t *)data, sizeof(lock) ) ;
|
|
|
|
|
|
|
|
|
|
if ( lock.context == DRM_KERNEL_CONTEXT ) {
|
|
|
|
|
DRM_ERROR( "Process %d using kernel context %d\n",
|
|
|
|
|
DRM_OS_CURRENTPID, lock.context );
|
2002-04-29 00:25:10 +00:00
|
|
|
return DRM_OS_ERR(EINVAL);
|
2002-04-27 20:47:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
|
|
|
|
|
|
|
|
|
|
#if __HAVE_KERNEL_CTX_SWITCH
|
|
|
|
|
/* We no longer really hold it, but if we are the next
|
|
|
|
|
* agent to request it then we should just be able to
|
|
|
|
|
* take it immediately and not eat the ioctl.
|
|
|
|
|
*/
|
|
|
|
|
dev->lock.pid = 0;
|
|
|
|
|
{
|
|
|
|
|
__volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
|
|
|
|
|
unsigned int old, new, prev, ctx;
|
|
|
|
|
|
|
|
|
|
ctx = lock.context;
|
|
|
|
|
do {
|
|
|
|
|
old = *plock;
|
|
|
|
|
new = ctx;
|
|
|
|
|
prev = cmpxchg(plock, old, new);
|
|
|
|
|
} while (prev != old);
|
|
|
|
|
}
|
|
|
|
|
wake_up_interruptible(&dev->lock.lock_queue);
|
|
|
|
|
#else
|
|
|
|
|
DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
|
|
|
|
|
DRM_KERNEL_CONTEXT );
|
|
|
|
|
#if __HAVE_DMA_SCHEDULE
|
|
|
|
|
DRM(dma_schedule)( dev, 1 );
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* FIXME: Do we ever really need to check this???
|
|
|
|
|
*/
|
|
|
|
|
if ( 1 /* !dev->context_flag */ ) {
|
|
|
|
|
if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
|
|
|
|
|
DRM_KERNEL_CONTEXT ) ) {
|
|
|
|
|
DRM_ERROR( "\n" );
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif /* !__HAVE_KERNEL_CTX_SWITCH */
|
|
|
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
|
unblock_all_signals();
|
|
|
|
|
#endif /* __linux__ */
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef __FreeBSD__
|
|
|
|
|
#if DRM_LINUX
|
|
|
|
|
static linux_ioctl_function_t DRM( linux_ioctl);
|
|
|
|
|
static struct linux_ioctl_handler DRM( handler) = {DRM( linux_ioctl), LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
|
|
|
|
|
SYSINIT (DRM( register), SI_SUB_KLD, SI_ORDER_MIDDLE, linux_ioctl_register_handler, &DRM( handler));
|
|
|
|
|
SYSUNINIT(DRM( unregister), SI_SUB_KLD, SI_ORDER_MIDDLE, linux_ioctl_unregister_handler, &DRM( handler));
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Linux emulation IOCTL
|
|
|
|
|
*/
|
|
|
|
|
static int
|
|
|
|
|
DRM(linux_ioctl)(DRM_OS_STRUCTPROC *p, struct linux_ioctl_args* args)
|
|
|
|
|
{
|
|
|
|
|
#if (__FreeBSD_version >= 500000)
|
|
|
|
|
struct file *fp = p->td_proc->p_fd->fd_ofiles[args->fd];
|
|
|
|
|
#else
|
|
|
|
|
struct file *fp = p->p_fd->fd_ofiles[args->fd];
|
|
|
|
|
#endif
|
|
|
|
|
u_long cmd = args->cmd;
|
|
|
|
|
caddr_t data = (caddr_t) args->arg;
|
|
|
|
|
/*
|
|
|
|
|
* Pass the ioctl off to our standard handler.
|
|
|
|
|
*/
|
|
|
|
|
return(fo_ioctl(fp, cmd, data, p));
|
|
|
|
|
}
|
|
|
|
|
#endif /* DRM_LINUX */
|
|
|
|
|
#endif /* __FreeBSD__ */
|
