1028 lines
32 KiB
C
1028 lines
32 KiB
C
/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
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* Created: Mon Jan 4 10:05:05 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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#ifndef _DRM_P_H_
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#define _DRM_P_H_
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#if defined(_KERNEL) || defined(__KERNEL__)
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typedef struct drm_device drm_device_t;
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typedef struct drm_file drm_file_t;
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/stat.h>
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#include <sys/proc.h>
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#include <sys/lock.h>
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#include <sys/fcntl.h>
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#include <sys/uio.h>
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#include <sys/filio.h>
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#include <sys/sysctl.h>
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#include <sys/bus.h>
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#include <sys/signalvar.h>
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#include <sys/poll.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <vm/vm_extern.h>
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#include <vm/vm_map.h>
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#include <vm/vm_param.h>
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#include <machine/param.h>
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#include <machine/pmap.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <machine/sysarch.h>
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#include <sys/endian.h>
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#include <sys/mman.h>
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#if defined(__FreeBSD__)
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#include <sys/rman.h>
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#include <sys/memrange.h>
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#include <pci/agpvar.h>
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#include <sys/agpio.h>
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#if __FreeBSD_version >= 500000
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#include <sys/mutex.h>
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#include <dev/pci/pcivar.h>
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#include <sys/selinfo.h>
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#else /* __FreeBSD_version >= 500000 */
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#include <pci/pcivar.h>
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#include <sys/select.h>
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#endif /* __FreeBSD_version < 500000 */
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#elif defined(__NetBSD__)
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#include <machine/mtrr.h>
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#include <sys/vnode.h>
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#include <sys/select.h>
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#include <sys/device.h>
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#include <sys/resourcevar.h>
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#include <sys/lkm.h>
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#include <sys/agpio.h>
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#include <sys/ttycom.h>
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#include <uvm/uvm.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/agpvar.h>
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#elif defined(__OpenBSD__)
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#include <sys/lkm.h>
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#include <uvm/uvm.h>
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#endif
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#include <sys/bus.h>
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#include "dev/drm/drm.h"
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#include "dev/drm/drm_linux_list.h"
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#include "dev/drm/drm_atomic.h"
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#ifdef __FreeBSD__
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#include <opt_drm.h>
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#ifdef DRM_DEBUG
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#undef DRM_DEBUG
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#define DRM_DEBUG_DEFAULT_ON 1
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#endif /* DRM_DEBUG */
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#endif
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#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__)
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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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#else
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/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't
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* supported on this OS yet.
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*/
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#undef DRM_LINUX
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#define DRM_LINUX 0
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#endif
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#define DRM_HASH_SIZE 16 /* Size of key hash table */
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#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
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#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
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#define DRM_MEM_DMA 0
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#define DRM_MEM_SAREA 1
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#define DRM_MEM_DRIVER 2
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#define DRM_MEM_MAGIC 3
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#define DRM_MEM_IOCTLS 4
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#define DRM_MEM_MAPS 5
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#define DRM_MEM_BUFS 6
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#define DRM_MEM_SEGS 7
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#define DRM_MEM_PAGES 8
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#define DRM_MEM_FILES 9
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#define DRM_MEM_QUEUES 10
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#define DRM_MEM_CMDS 11
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#define DRM_MEM_MAPPINGS 12
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#define DRM_MEM_BUFLISTS 13
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#define DRM_MEM_AGPLISTS 14
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#define DRM_MEM_TOTALAGP 15
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#define DRM_MEM_BOUNDAGP 16
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#define DRM_MEM_CTXBITMAP 17
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#define DRM_MEM_STUB 18
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#define DRM_MEM_SGLISTS 19
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#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
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/* Internal types and structures */
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#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
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#define DRM_MIN(a,b) ((a)<(b)?(a):(b))
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#define DRM_MAX(a,b) ((a)>(b)?(a):(b))
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#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
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MALLOC_DECLARE(M_DRM);
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#define __OS_HAS_AGP 1
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#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
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#define DRM_DEV_UID 0
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#define DRM_DEV_GID 0
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#define wait_queue_head_t atomic_t
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#define DRM_WAKEUP(w) wakeup((void *)w)
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#define DRM_WAKEUP_INT(w) wakeup(w)
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#define DRM_INIT_WAITQUEUE(queue) do {} while (0)
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#if defined(__FreeBSD__) && __FreeBSD_version < 502109
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#define bus_alloc_resource_any(dev, type, rid, flags) \
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bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags)
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#endif
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#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
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#define DRM_CURPROC curthread
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#define DRM_STRUCTPROC struct thread
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#define DRM_SPINTYPE struct mtx
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#define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF)
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#define DRM_SPINUNINIT(l) mtx_destroy(&l)
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#define DRM_SPINLOCK(l) mtx_lock(l)
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#define DRM_SPINUNLOCK(u) mtx_unlock(u);
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#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
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#define DRM_CURRENTPID curthread->td_proc->p_pid
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#define DRM_LOCK() mtx_lock(&dev->dev_lock)
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#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock)
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#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
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#else /* __FreeBSD__ && __FreeBSD_version >= 500000 */
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#define DRM_CURPROC curproc
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#define DRM_STRUCTPROC struct proc
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#define DRM_SPINTYPE struct simplelock
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#define DRM_SPININIT(l,name)
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#define DRM_SPINUNINIT(l)
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#define DRM_SPINLOCK(l)
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#define DRM_SPINUNLOCK(u)
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#define DRM_SPINLOCK_ASSERT(l)
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#define DRM_CURRENTPID curproc->p_pid
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#define DRM_LOCK()
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#define DRM_UNLOCK()
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#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS
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#define spldrm() spltty()
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#endif /* __NetBSD__ || __OpenBSD__ */
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/* Currently our DRMFILE (filp) is a void * which is actually the pid
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* of the current process. It should be a per-open unique pointer, but
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* code for that is not yet written */
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#define DRMFILE void *
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#define DRM_IRQ_ARGS void *arg
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typedef void irqreturn_t;
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#define IRQ_HANDLED /* nothing */
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#define IRQ_NONE /* nothing */
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enum {
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DRM_IS_NOT_AGP,
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DRM_IS_AGP,
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DRM_MIGHT_BE_AGP
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};
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#define DRM_AGP_MEM struct agp_memory_info
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#if defined(__FreeBSD__)
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#define DRM_DEVICE \
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drm_device_t *dev = kdev->si_drv1
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#define DRM_IOCTL_ARGS struct cdev *kdev, u_long cmd, caddr_t data, \
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int flags, DRM_STRUCTPROC *p, DRMFILE filp
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#define PAGE_ALIGN(addr) round_page(addr)
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/* DRM_SUSER returns true if the user is superuser */
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#define DRM_SUSER(p) (suser(p) == 0)
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#define DRM_AGP_FIND_DEVICE() agp_find_device()
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#define DRM_MTRR_WC MDF_WRITECOMBINE
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#define jiffies ticks
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#else /* __FreeBSD__ */
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#if defined(__NetBSD__)
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#define DRM_DEVICE \
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drm_device_t *dev = device_lookup(&drm_cd, minor(kdev))
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#elif defined(__OpenBSD__)
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#define DRM_DEVICE \
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drm_device_t *dev = (device_lookup(&drm_cd, \
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minor(kdev)))->dv_cfdata->cf_driver->cd_devs[minor(kdev)]
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#endif /* __OpenBSD__ */
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#define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, \
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int flags, DRM_STRUCTPROC *p, DRMFILE filp
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#define CDEV_MAJOR 34
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#define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK)
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/* DRM_SUSER returns true if the user is superuser */
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#define DRM_SUSER(p) (suser(p->p_ucred, &p->p_acflag) == 0)
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#define DRM_AGP_FIND_DEVICE() agp_find_device(0)
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#define DRM_MTRR_WC MTRR_TYPE_WC
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#define jiffies hardclock_ticks
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typedef drm_device_t *device_t;
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extern struct cfdriver drm_cd;
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#endif /* !__FreeBSD__ */
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/* Capabilities taken from src/sys/dev/pci/pcireg.h. */
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#ifndef PCIY_AGP
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#define PCIY_AGP 0x02
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#endif
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#ifndef PCIY_EXPRESS
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#define PCIY_EXPRESS 0x10
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#endif
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typedef unsigned long dma_addr_t;
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typedef u_int32_t u32;
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typedef u_int16_t u16;
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typedef u_int8_t u8;
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/* DRM_READMEMORYBARRIER() prevents reordering of reads.
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* DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
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* DRM_MEMORYBARRIER() prevents reordering of reads and writes.
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*/
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#if defined(__i386__)
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#define DRM_READMEMORYBARRIER() __asm __volatile( \
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"lock; addl $0,0(%%esp)" : : : "memory");
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#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
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#define DRM_MEMORYBARRIER() __asm __volatile( \
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"lock; addl $0,0(%%esp)" : : : "memory");
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#elif defined(__alpha__)
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#define DRM_READMEMORYBARRIER() alpha_mb();
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#define DRM_WRITEMEMORYBARRIER() alpha_wmb();
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#define DRM_MEMORYBARRIER() alpha_mb();
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#elif defined(__amd64__)
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#define DRM_READMEMORYBARRIER() __asm __volatile( \
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"lock; addl $0,0(%%rsp)" : : : "memory");
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#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
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#define DRM_MEMORYBARRIER() __asm __volatile( \
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"lock; addl $0,0(%%rsp)" : : : "memory");
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#endif
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#ifdef __FreeBSD__
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#define DRM_READ8(map, offset) \
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*(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset))
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#define DRM_READ16(map, offset) \
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*(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset))
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#define DRM_READ32(map, offset) \
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*(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset))
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#define DRM_WRITE8(map, offset, val) \
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*(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val
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#define DRM_WRITE16(map, offset, val) \
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*(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val
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#define DRM_WRITE32(map, offset, val) \
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*(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val
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#define DRM_VERIFYAREA_READ( uaddr, size ) \
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(!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
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#else /* __FreeBSD__ */
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typedef vaddr_t vm_offset_t;
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#define DRM_READ8(map, offset) \
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bus_space_read_1( (map)->bst, (map)->bsh, (offset))
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#define DRM_READ16(map, offset) \
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bus_space_read_2( (map)->bst, (map)->bsh, (offset))
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#define DRM_READ32(map, offset) \
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bus_space_read_4( (map)->bst, (map)->bsh, (offset))
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#define DRM_WRITE8(map, offset, val) \
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bus_space_write_1((map)->bst, (map)->bsh, (offset), (val))
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#define DRM_WRITE16(map, offset, val) \
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bus_space_write_2((map)->bst, (map)->bsh, (offset), (val))
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#define DRM_WRITE32(map, offset, val) \
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bus_space_write_4((map)->bst, (map)->bsh, (offset), (val))
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#define DRM_VERIFYAREA_READ( uaddr, size ) \
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(!uvm_useracc((caddr_t)uaddr, size, VM_PROT_READ))
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#endif /* !__FreeBSD__ */
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#define DRM_COPY_TO_USER_IOCTL(user, kern, size) \
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if ( IOCPARM_LEN(cmd) != size) \
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return EINVAL; \
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*user = kern;
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#define DRM_COPY_FROM_USER_IOCTL(kern, user, size) \
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if ( IOCPARM_LEN(cmd) != size) \
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return EINVAL; \
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kern = *user;
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#define DRM_COPY_TO_USER(user, kern, size) \
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copyout(kern, user, size)
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#define DRM_COPY_FROM_USER(kern, user, size) \
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copyin(user, kern, size)
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#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
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copyin(arg2, arg1, arg3)
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#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
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copyout(arg2, arg1, arg3)
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#if __FreeBSD_version > 500000
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#define DRM_GET_USER_UNCHECKED(val, uaddr) \
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((val) = fuword32(uaddr), 0)
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#else
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#define DRM_GET_USER_UNCHECKED(val, uaddr) \
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((val) = fuword(uaddr), 0)
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#endif
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#define cpu_to_le32(x) htole32(x)
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#define le32_to_cpu(x) le32toh(x)
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#define DRM_ERR(v) v
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#define DRM_HZ hz
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#define DRM_UDELAY(udelay) DELAY(udelay)
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#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
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#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
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(_map) = (_dev)->context_sareas[_ctx]; \
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} while(0)
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#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) \
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do { \
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if (_filp != (DRMFILE)(intptr_t)DRM_CURRENTPID) { \
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DRM_ERROR("filp doesn't match curproc\n"); \
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return EINVAL; \
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} \
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_priv = drm_find_file_by_proc(dev, DRM_CURPROC); \
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if (_priv == NULL) { \
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DRM_ERROR("can't find authenticator\n"); \
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return EINVAL; \
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} \
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} while (0)
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#define LOCK_TEST_WITH_RETURN(dev, filp) \
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do { \
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if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
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dev->lock.filp != filp) { \
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DRM_ERROR("%s called without lock held\n", \
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__FUNCTION__); \
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return EINVAL; \
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} \
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} while (0)
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#define DRM_GETSAREA() \
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do { \
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drm_local_map_t *map; \
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DRM_SPINLOCK_ASSERT(&dev->dev_lock); \
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TAILQ_FOREACH(map, &dev->maplist, link) { \
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if (map->type == _DRM_SHM && \
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map->flags & _DRM_CONTAINS_LOCK) { \
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dev_priv->sarea = map; \
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break; \
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} \
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} \
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} while (0)
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#if defined(__FreeBSD__) && __FreeBSD_version > 500000
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#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
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for ( ret = 0 ; !ret && !(condition) ; ) { \
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DRM_UNLOCK(); \
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mtx_lock(&dev->irq_lock); \
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if (!(condition)) \
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ret = msleep(&(queue), &dev->irq_lock, \
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PZERO | PCATCH, "drmwtq", (timeout)); \
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mtx_unlock(&dev->irq_lock); \
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DRM_LOCK(); \
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}
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#else
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#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
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for ( ret = 0 ; !ret && !(condition) ; ) { \
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int s = spldrm(); \
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if (!(condition)) \
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ret = tsleep( &(queue), PZERO | PCATCH, \
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"drmwtq", (timeout) ); \
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splx(s); \
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}
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#endif
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#define DRM_ERROR(fmt, arg...) \
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printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
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DRM_CURRENTPID, __func__ , ## arg)
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#define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg)
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#define DRM_DEBUG(fmt, arg...) do { \
|
|
if (drm_debug_flag) \
|
|
printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
|
|
__func__ , ## arg); \
|
|
} while (0)
|
|
|
|
typedef struct drm_pci_id_list
|
|
{
|
|
int vendor;
|
|
int device;
|
|
long driver_private;
|
|
char *name;
|
|
} drm_pci_id_list_t;
|
|
|
|
#define DRM_AUTH 0x1
|
|
#define DRM_MASTER 0x2
|
|
#define DRM_ROOT_ONLY 0x4
|
|
typedef struct drm_ioctl_desc {
|
|
int (*func)(DRM_IOCTL_ARGS);
|
|
int flags;
|
|
} drm_ioctl_desc_t;
|
|
|
|
typedef struct drm_magic_entry {
|
|
drm_magic_t magic;
|
|
struct drm_file *priv;
|
|
struct drm_magic_entry *next;
|
|
} drm_magic_entry_t;
|
|
|
|
typedef struct drm_magic_head {
|
|
struct drm_magic_entry *head;
|
|
struct drm_magic_entry *tail;
|
|
} drm_magic_head_t;
|
|
|
|
typedef struct drm_buf {
|
|
int idx; /* Index into master buflist */
|
|
int total; /* Buffer size */
|
|
int order; /* log-base-2(total) */
|
|
int used; /* Amount of buffer in use (for DMA) */
|
|
unsigned long offset; /* Byte offset (used internally) */
|
|
void *address; /* Address of buffer */
|
|
unsigned long bus_address; /* Bus address of buffer */
|
|
struct drm_buf *next; /* Kernel-only: used for free list */
|
|
__volatile__ int pending; /* On hardware DMA queue */
|
|
DRMFILE filp; /* Unique identifier of holding process */
|
|
int context; /* Kernel queue for this buffer */
|
|
enum {
|
|
DRM_LIST_NONE = 0,
|
|
DRM_LIST_FREE = 1,
|
|
DRM_LIST_WAIT = 2,
|
|
DRM_LIST_PEND = 3,
|
|
DRM_LIST_PRIO = 4,
|
|
DRM_LIST_RECLAIM = 5
|
|
} list; /* Which list we're on */
|
|
|
|
int dev_priv_size; /* Size of buffer private stoarge */
|
|
void *dev_private; /* Per-buffer private storage */
|
|
} drm_buf_t;
|
|
|
|
typedef struct drm_freelist {
|
|
int initialized; /* Freelist in use */
|
|
atomic_t count; /* Number of free buffers */
|
|
drm_buf_t *next; /* End pointer */
|
|
|
|
int low_mark; /* Low water mark */
|
|
int high_mark; /* High water mark */
|
|
} drm_freelist_t;
|
|
|
|
typedef struct drm_dma_handle {
|
|
void *vaddr;
|
|
bus_addr_t busaddr;
|
|
#if defined(__FreeBSD__)
|
|
bus_dma_tag_t tag;
|
|
bus_dmamap_t map;
|
|
#elif defined(__NetBSD__)
|
|
bus_dma_segment_t seg;
|
|
#endif
|
|
} drm_dma_handle_t;
|
|
|
|
typedef struct drm_buf_entry {
|
|
int buf_size;
|
|
int buf_count;
|
|
drm_buf_t *buflist;
|
|
int seg_count;
|
|
drm_dma_handle_t **seglist;
|
|
int page_order;
|
|
|
|
drm_freelist_t freelist;
|
|
} drm_buf_entry_t;
|
|
|
|
typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
|
|
struct drm_file {
|
|
TAILQ_ENTRY(drm_file) link;
|
|
int authenticated;
|
|
int master;
|
|
int minor;
|
|
pid_t pid;
|
|
uid_t uid;
|
|
int refs;
|
|
drm_magic_t magic;
|
|
unsigned long ioctl_count;
|
|
void *driver_priv;
|
|
};
|
|
|
|
typedef struct drm_lock_data {
|
|
drm_hw_lock_t *hw_lock; /* Hardware lock */
|
|
DRMFILE filp; /* Unique identifier of holding process (NULL is kernel)*/
|
|
int lock_queue; /* Queue of blocked processes */
|
|
unsigned long lock_time; /* Time of last lock in jiffies */
|
|
} drm_lock_data_t;
|
|
|
|
/* This structure, in the drm_device_t, is always initialized while the device
|
|
* is open. dev->dma_lock protects the incrementing of dev->buf_use, which
|
|
* when set marks that no further bufs may be allocated until device teardown
|
|
* occurs (when the last open of the device has closed). The high/low
|
|
* watermarks of bufs are only touched by the X Server, and thus not
|
|
* concurrently accessed, so no locking is needed.
|
|
*/
|
|
typedef struct drm_device_dma {
|
|
drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
|
|
int buf_count;
|
|
drm_buf_t **buflist; /* Vector of pointers info bufs */
|
|
int seg_count;
|
|
int page_count;
|
|
unsigned long *pagelist;
|
|
unsigned long byte_count;
|
|
enum {
|
|
_DRM_DMA_USE_AGP = 0x01,
|
|
_DRM_DMA_USE_SG = 0x02
|
|
} flags;
|
|
} drm_device_dma_t;
|
|
|
|
typedef struct drm_agp_mem {
|
|
void *handle;
|
|
unsigned long bound; /* address */
|
|
int pages;
|
|
struct drm_agp_mem *prev;
|
|
struct drm_agp_mem *next;
|
|
} drm_agp_mem_t;
|
|
|
|
typedef struct drm_agp_head {
|
|
device_t agpdev;
|
|
struct agp_info info;
|
|
const char *chipset;
|
|
drm_agp_mem_t *memory;
|
|
unsigned long mode;
|
|
int enabled;
|
|
int acquired;
|
|
unsigned long base;
|
|
int mtrr;
|
|
int cant_use_aperture;
|
|
unsigned long page_mask;
|
|
} drm_agp_head_t;
|
|
|
|
typedef struct drm_sg_mem {
|
|
unsigned long handle;
|
|
void *virtual;
|
|
int pages;
|
|
dma_addr_t *busaddr;
|
|
drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */
|
|
} drm_sg_mem_t;
|
|
|
|
typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
|
|
|
|
typedef struct drm_local_map {
|
|
unsigned long offset; /* Physical address (0 for SAREA)*/
|
|
unsigned long size; /* Physical size (bytes) */
|
|
drm_map_type_t type; /* Type of memory mapped */
|
|
drm_map_flags_t flags; /* Flags */
|
|
void *handle; /* User-space: "Handle" to pass to mmap */
|
|
/* Kernel-space: kernel-virtual address */
|
|
int mtrr; /* Boolean: MTRR used */
|
|
/* Private data */
|
|
int rid; /* PCI resource ID for bus_space */
|
|
struct resource *bsr;
|
|
bus_space_tag_t bst;
|
|
bus_space_handle_t bsh;
|
|
drm_dma_handle_t *dmah;
|
|
TAILQ_ENTRY(drm_local_map) link;
|
|
} drm_local_map_t;
|
|
|
|
TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig);
|
|
typedef struct drm_vbl_sig {
|
|
TAILQ_ENTRY(drm_vbl_sig) link;
|
|
unsigned int sequence;
|
|
int signo;
|
|
int pid;
|
|
} drm_vbl_sig_t;
|
|
|
|
/* location of GART table */
|
|
#define DRM_ATI_GART_MAIN 1
|
|
#define DRM_ATI_GART_FB 2
|
|
|
|
typedef struct ati_pcigart_info {
|
|
int gart_table_location;
|
|
int is_pcie;
|
|
void *addr;
|
|
dma_addr_t bus_addr;
|
|
drm_local_map_t mapping;
|
|
} drm_ati_pcigart_info;
|
|
|
|
struct drm_driver_info {
|
|
int (*load)(struct drm_device *, unsigned long flags);
|
|
int (*firstopen)(struct drm_device *);
|
|
int (*open)(struct drm_device *, drm_file_t *);
|
|
void (*preclose)(struct drm_device *, void *filp);
|
|
void (*postclose)(struct drm_device *, drm_file_t *);
|
|
void (*lastclose)(struct drm_device *);
|
|
int (*unload)(struct drm_device *);
|
|
void (*reclaim_buffers_locked)(struct drm_device *, void *filp);
|
|
int (*dma_ioctl)(DRM_IOCTL_ARGS);
|
|
void (*dma_ready)(struct drm_device *);
|
|
int (*dma_quiescent)(struct drm_device *);
|
|
int (*dma_flush_block_and_flush)(struct drm_device *, int context,
|
|
drm_lock_flags_t flags);
|
|
int (*dma_flush_unblock)(struct drm_device *, int context,
|
|
drm_lock_flags_t flags);
|
|
int (*context_ctor)(struct drm_device *dev, int context);
|
|
int (*context_dtor)(struct drm_device *dev, int context);
|
|
int (*kernel_context_switch)(struct drm_device *dev, int old,
|
|
int new);
|
|
int (*kernel_context_switch_unlock)(struct drm_device *dev);
|
|
void (*irq_preinstall)(drm_device_t *dev);
|
|
void (*irq_postinstall)(drm_device_t *dev);
|
|
void (*irq_uninstall)(drm_device_t *dev);
|
|
void (*irq_handler)(DRM_IRQ_ARGS);
|
|
int (*vblank_wait)(drm_device_t *dev, unsigned int *sequence);
|
|
|
|
drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
|
|
|
|
/**
|
|
* Called by \c drm_device_is_agp. Typically used to determine if a
|
|
* card is really attached to AGP or not.
|
|
*
|
|
* \param dev DRM device handle
|
|
*
|
|
* \returns
|
|
* One of three values is returned depending on whether or not the
|
|
* card is absolutely \b not AGP (return of 0), absolutely \b is AGP
|
|
* (return of 1), or may or may not be AGP (return of 2).
|
|
*/
|
|
int (*device_is_agp) (struct drm_device * dev);
|
|
|
|
drm_ioctl_desc_t *ioctls;
|
|
int max_ioctl;
|
|
|
|
int buf_priv_size;
|
|
|
|
int major;
|
|
int minor;
|
|
int patchlevel;
|
|
const char *name; /* Simple driver name */
|
|
const char *desc; /* Longer driver name */
|
|
const char *date; /* Date of last major changes. */
|
|
|
|
unsigned use_agp :1;
|
|
unsigned require_agp :1;
|
|
unsigned use_sg :1;
|
|
unsigned use_dma :1;
|
|
unsigned use_pci_dma :1;
|
|
unsigned use_dma_queue :1;
|
|
unsigned use_irq :1;
|
|
unsigned use_vbl_irq :1;
|
|
unsigned use_mtrr :1;
|
|
};
|
|
|
|
/* Length for the array of resource pointers for drm_get_resource_*. */
|
|
#define DRM_MAX_PCI_RESOURCE 3
|
|
|
|
/**
|
|
* DRM device functions structure
|
|
*/
|
|
struct drm_device {
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
struct device device; /* softc is an extension of struct device */
|
|
#endif
|
|
|
|
struct drm_driver_info driver;
|
|
drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
|
|
|
|
char *unique; /* Unique identifier: e.g., busid */
|
|
int unique_len; /* Length of unique field */
|
|
#ifdef __FreeBSD__
|
|
device_t device; /* Device instance from newbus */
|
|
#endif
|
|
struct cdev *devnode; /* Device number for mknod */
|
|
int if_version; /* Highest interface version set */
|
|
|
|
int flags; /* Flags to open(2) */
|
|
|
|
/* Locks */
|
|
#if defined(__FreeBSD__) && __FreeBSD_version > 500000
|
|
struct mtx dma_lock; /* protects dev->dma */
|
|
struct mtx irq_lock; /* protects irq condition checks */
|
|
struct mtx dev_lock; /* protects everything else */
|
|
#endif
|
|
/* Usage Counters */
|
|
int open_count; /* Outstanding files open */
|
|
int buf_use; /* Buffers in use -- cannot alloc */
|
|
|
|
/* Performance counters */
|
|
unsigned long counters;
|
|
drm_stat_type_t types[15];
|
|
atomic_t counts[15];
|
|
|
|
/* Authentication */
|
|
drm_file_list_t files;
|
|
drm_magic_head_t magiclist[DRM_HASH_SIZE];
|
|
|
|
/* Linked list of mappable regions. Protected by dev_lock */
|
|
drm_map_list_t maplist;
|
|
|
|
drm_local_map_t **context_sareas;
|
|
int max_context;
|
|
|
|
drm_lock_data_t lock; /* Information on hardware lock */
|
|
|
|
/* DMA queues (contexts) */
|
|
drm_device_dma_t *dma; /* Optional pointer for DMA support */
|
|
|
|
/* Context support */
|
|
int irq; /* Interrupt used by board */
|
|
int irq_enabled; /* True if the irq handler is enabled */
|
|
#ifdef __FreeBSD__
|
|
int irqrid; /* Interrupt used by board */
|
|
struct resource *irqr; /* Resource for interrupt used by board */
|
|
#elif defined(__NetBSD__) || defined(__OpenBSD__)
|
|
struct pci_attach_args pa;
|
|
#endif
|
|
void *irqh; /* Handle from bus_setup_intr */
|
|
|
|
/* Storage of resource pointers for drm_get_resource_* */
|
|
struct resource *pcir[DRM_MAX_PCI_RESOURCE];
|
|
int pcirid[DRM_MAX_PCI_RESOURCE];
|
|
|
|
int pci_domain;
|
|
int pci_bus;
|
|
int pci_slot;
|
|
int pci_func;
|
|
|
|
atomic_t context_flag; /* Context swapping flag */
|
|
int last_context; /* Last current context */
|
|
int vbl_queue; /* vbl wait channel */
|
|
atomic_t vbl_received;
|
|
|
|
#ifdef __FreeBSD__
|
|
struct sigio *buf_sigio; /* Processes waiting for SIGIO */
|
|
#elif defined(__NetBSD__)
|
|
pid_t buf_pgid;
|
|
#endif
|
|
|
|
/* Sysctl support */
|
|
struct drm_sysctl_info *sysctl;
|
|
|
|
drm_agp_head_t *agp;
|
|
drm_sg_mem_t *sg; /* Scatter gather memory */
|
|
atomic_t *ctx_bitmap;
|
|
void *dev_private;
|
|
unsigned int agp_buffer_token;
|
|
drm_local_map_t *agp_buffer_map;
|
|
};
|
|
|
|
extern int drm_debug_flag;
|
|
|
|
/* Device setup support (drm_drv.c) */
|
|
#ifdef __FreeBSD__
|
|
int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist);
|
|
int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist);
|
|
int drm_detach(device_t nbdev);
|
|
d_ioctl_t drm_ioctl;
|
|
d_open_t drm_open;
|
|
d_close_t drm_close;
|
|
d_read_t drm_read;
|
|
d_poll_t drm_poll;
|
|
d_mmap_t drm_mmap;
|
|
#elif defined(__NetBSD__) || defined(__OpenBSD__)
|
|
int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist);
|
|
int drm_attach(struct pci_attach_args *pa, dev_t kdev, drm_pci_id_list_t *idlist);
|
|
dev_type_ioctl(drm_ioctl);
|
|
dev_type_open(drm_open);
|
|
dev_type_close(drm_close);
|
|
dev_type_read(drm_read);
|
|
dev_type_poll(drm_poll);
|
|
dev_type_mmap(drm_mmap);
|
|
#endif
|
|
|
|
/* File operations helpers (drm_fops.c) */
|
|
#ifdef __FreeBSD__
|
|
extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
|
|
DRM_STRUCTPROC *p, drm_device_t *dev);
|
|
extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev,
|
|
DRM_STRUCTPROC *p);
|
|
#elif defined(__NetBSD__) || defined(__OpenBSD__)
|
|
extern int drm_open_helper(dev_t kdev, int flags, int fmt,
|
|
DRM_STRUCTPROC *p, drm_device_t *dev);
|
|
extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev,
|
|
DRM_STRUCTPROC *p);
|
|
#endif /* __NetBSD__ || __OpenBSD__ */
|
|
|
|
/* Memory management support (drm_memory.c) */
|
|
void drm_mem_init(void);
|
|
void drm_mem_uninit(void);
|
|
void *drm_alloc(size_t size, int area);
|
|
void *drm_calloc(size_t nmemb, size_t size, int area);
|
|
void *drm_realloc(void *oldpt, size_t oldsize, size_t size,
|
|
int area);
|
|
void drm_free(void *pt, size_t size, int area);
|
|
void *drm_ioremap(drm_device_t *dev, drm_local_map_t *map);
|
|
void drm_ioremapfree(drm_local_map_t *map);
|
|
int drm_mtrr_add(unsigned long offset, size_t size, int flags);
|
|
int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
|
|
|
|
int drm_context_switch(drm_device_t *dev, int old, int new);
|
|
int drm_context_switch_complete(drm_device_t *dev, int new);
|
|
|
|
int drm_ctxbitmap_init(drm_device_t *dev);
|
|
void drm_ctxbitmap_cleanup(drm_device_t *dev);
|
|
void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle);
|
|
int drm_ctxbitmap_next(drm_device_t *dev);
|
|
|
|
/* Locking IOCTL support (drm_lock.c) */
|
|
int drm_lock_take(__volatile__ unsigned int *lock,
|
|
unsigned int context);
|
|
int drm_lock_transfer(drm_device_t *dev,
|
|
__volatile__ unsigned int *lock,
|
|
unsigned int context);
|
|
int drm_lock_free(drm_device_t *dev,
|
|
__volatile__ unsigned int *lock,
|
|
unsigned int context);
|
|
|
|
/* Buffer management support (drm_bufs.c) */
|
|
unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource);
|
|
unsigned long drm_get_resource_len(drm_device_t *dev, unsigned int resource);
|
|
void drm_rmmap(drm_device_t *dev, drm_local_map_t *map);
|
|
int drm_order(unsigned long size);
|
|
int drm_addmap(drm_device_t * dev, unsigned long offset, unsigned long size,
|
|
drm_map_type_t type, drm_map_flags_t flags,
|
|
drm_local_map_t **map_ptr);
|
|
int drm_addbufs_pci(drm_device_t *dev, drm_buf_desc_t *request);
|
|
int drm_addbufs_sg(drm_device_t *dev, drm_buf_desc_t *request);
|
|
int drm_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request);
|
|
|
|
/* DMA support (drm_dma.c) */
|
|
int drm_dma_setup(drm_device_t *dev);
|
|
void drm_dma_takedown(drm_device_t *dev);
|
|
void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf);
|
|
void drm_reclaim_buffers(drm_device_t *dev, DRMFILE filp);
|
|
#define drm_core_reclaim_buffers drm_reclaim_buffers
|
|
|
|
/* IRQ support (drm_irq.c) */
|
|
int drm_irq_install(drm_device_t *dev);
|
|
int drm_irq_uninstall(drm_device_t *dev);
|
|
irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
|
|
void drm_driver_irq_preinstall(drm_device_t *dev);
|
|
void drm_driver_irq_postinstall(drm_device_t *dev);
|
|
void drm_driver_irq_uninstall(drm_device_t *dev);
|
|
int drm_vblank_wait(drm_device_t *dev, unsigned int *vbl_seq);
|
|
void drm_vbl_send_signals(drm_device_t *dev);
|
|
|
|
/* AGP/PCI Express/GART support (drm_agpsupport.c) */
|
|
int drm_device_is_agp(drm_device_t *dev);
|
|
int drm_device_is_pcie(drm_device_t *dev);
|
|
drm_agp_head_t *drm_agp_init(void);
|
|
int drm_agp_acquire(drm_device_t *dev);
|
|
int drm_agp_release(drm_device_t *dev);
|
|
int drm_agp_info(drm_device_t * dev, drm_agp_info_t *info);
|
|
int drm_agp_enable(drm_device_t *dev, drm_agp_mode_t mode);
|
|
void *drm_agp_allocate_memory(size_t pages, u32 type);
|
|
int drm_agp_free_memory(void *handle);
|
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int drm_agp_bind_memory(void *handle, off_t start);
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int drm_agp_unbind_memory(void *handle);
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int drm_agp_alloc(drm_device_t *dev, drm_agp_buffer_t *request);
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int drm_agp_free(drm_device_t *dev, drm_agp_buffer_t *request);
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int drm_agp_bind(drm_device_t *dev, drm_agp_binding_t *request);
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int drm_agp_unbind(drm_device_t *dev, drm_agp_binding_t *request);
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/* Scatter Gather Support (drm_scatter.c) */
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void drm_sg_cleanup(drm_sg_mem_t *entry);
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#ifdef __FreeBSD__
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/* sysctl support (drm_sysctl.h) */
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extern int drm_sysctl_init(drm_device_t *dev);
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extern int drm_sysctl_cleanup(drm_device_t *dev);
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#endif /* __FreeBSD__ */
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/* ATI PCIGART support (ati_pcigart.c) */
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int drm_ati_pcigart_init(drm_device_t *dev,
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drm_ati_pcigart_info *gart_info);
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int drm_ati_pcigart_cleanup(drm_device_t *dev,
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drm_ati_pcigart_info *gart_info);
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/* Locking IOCTL support (drm_drv.c) */
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int drm_lock(DRM_IOCTL_ARGS);
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int drm_unlock(DRM_IOCTL_ARGS);
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int drm_version(DRM_IOCTL_ARGS);
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int drm_setversion(DRM_IOCTL_ARGS);
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/* Misc. IOCTL support (drm_ioctl.c) */
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int drm_irq_by_busid(DRM_IOCTL_ARGS);
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int drm_getunique(DRM_IOCTL_ARGS);
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int drm_setunique(DRM_IOCTL_ARGS);
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int drm_getmap(DRM_IOCTL_ARGS);
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int drm_getclient(DRM_IOCTL_ARGS);
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int drm_getstats(DRM_IOCTL_ARGS);
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int drm_noop(DRM_IOCTL_ARGS);
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/* Context IOCTL support (drm_context.c) */
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int drm_resctx(DRM_IOCTL_ARGS);
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int drm_addctx(DRM_IOCTL_ARGS);
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int drm_modctx(DRM_IOCTL_ARGS);
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int drm_getctx(DRM_IOCTL_ARGS);
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int drm_switchctx(DRM_IOCTL_ARGS);
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int drm_newctx(DRM_IOCTL_ARGS);
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int drm_rmctx(DRM_IOCTL_ARGS);
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int drm_setsareactx(DRM_IOCTL_ARGS);
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int drm_getsareactx(DRM_IOCTL_ARGS);
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/* Drawable IOCTL support (drm_drawable.c) */
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int drm_adddraw(DRM_IOCTL_ARGS);
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int drm_rmdraw(DRM_IOCTL_ARGS);
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/* Authentication IOCTL support (drm_auth.c) */
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int drm_getmagic(DRM_IOCTL_ARGS);
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int drm_authmagic(DRM_IOCTL_ARGS);
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/* Buffer management support (drm_bufs.c) */
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int drm_addmap_ioctl(DRM_IOCTL_ARGS);
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int drm_rmmap_ioctl(DRM_IOCTL_ARGS);
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int drm_addbufs_ioctl(DRM_IOCTL_ARGS);
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int drm_infobufs(DRM_IOCTL_ARGS);
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int drm_markbufs(DRM_IOCTL_ARGS);
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int drm_freebufs(DRM_IOCTL_ARGS);
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int drm_mapbufs(DRM_IOCTL_ARGS);
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/* DMA support (drm_dma.c) */
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int drm_dma(DRM_IOCTL_ARGS);
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/* IRQ support (drm_irq.c) */
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int drm_control(DRM_IOCTL_ARGS);
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int drm_wait_vblank(DRM_IOCTL_ARGS);
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/* AGP/GART support (drm_agpsupport.c) */
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int drm_agp_acquire_ioctl(DRM_IOCTL_ARGS);
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int drm_agp_release_ioctl(DRM_IOCTL_ARGS);
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int drm_agp_enable_ioctl(DRM_IOCTL_ARGS);
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int drm_agp_info_ioctl(DRM_IOCTL_ARGS);
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int drm_agp_alloc_ioctl(DRM_IOCTL_ARGS);
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int drm_agp_free_ioctl(DRM_IOCTL_ARGS);
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int drm_agp_unbind_ioctl(DRM_IOCTL_ARGS);
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int drm_agp_bind_ioctl(DRM_IOCTL_ARGS);
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/* Scatter Gather Support (drm_scatter.c) */
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int drm_sg_alloc(DRM_IOCTL_ARGS);
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int drm_sg_free(DRM_IOCTL_ARGS);
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/* consistent PCI memory functions (drm_pci.c) */
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drm_dma_handle_t *drm_pci_alloc(drm_device_t *dev, size_t size, size_t align,
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dma_addr_t maxaddr);
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void drm_pci_free(drm_device_t *dev, drm_dma_handle_t *dmah);
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/* Inline replacements for DRM_IOREMAP macros */
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static __inline__ void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
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{
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map->handle = drm_ioremap(dev, map);
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}
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static __inline__ void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
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{
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if ( map->handle && map->size )
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drm_ioremapfree(map);
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}
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static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, unsigned long offset)
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{
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drm_local_map_t *map;
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DRM_SPINLOCK_ASSERT(&dev->dev_lock);
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TAILQ_FOREACH(map, &dev->maplist, link) {
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if (map->offset == offset)
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return map;
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}
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return NULL;
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}
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static __inline__ void drm_core_dropmap(struct drm_map *map)
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{
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}
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#endif /* __KERNEL__ */
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#endif /* _DRM_P_H_ */
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