1016 lines
33 KiB
C
1016 lines
33 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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struct drm_device;
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struct drm_file;
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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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#if __FreeBSD_version >= 700000
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#include <sys/priv.h>
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#endif
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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 <sys/tree.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/specialreg.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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#include <sys/rman.h>
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#include <sys/memrange.h>
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#if __FreeBSD_version >= 800004
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#include <dev/agp/agpvar.h>
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#else /* __FreeBSD_version >= 800004 */
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#include <pci/agpvar.h>
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#endif /* __FreeBSD_version >= 800004 */
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#include <sys/agpio.h>
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#include <sys/mutex.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <sys/selinfo.h>
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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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#include "dev/drm/drm_internal.h"
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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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#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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/* driver capabilities and requirements mask */
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#define DRIVER_USE_AGP 0x1
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#define DRIVER_REQUIRE_AGP 0x2
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#define DRIVER_USE_MTRR 0x4
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#define DRIVER_PCI_DMA 0x8
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#define DRIVER_SG 0x10
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#define DRIVER_HAVE_DMA 0x20
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#define DRIVER_HAVE_IRQ 0x40
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#define DRIVER_DMA_QUEUE 0x100
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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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MALLOC_DECLARE(DRM_MEM_DMA);
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MALLOC_DECLARE(DRM_MEM_SAREA);
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MALLOC_DECLARE(DRM_MEM_DRIVER);
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MALLOC_DECLARE(DRM_MEM_MAGIC);
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MALLOC_DECLARE(DRM_MEM_IOCTLS);
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MALLOC_DECLARE(DRM_MEM_MAPS);
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MALLOC_DECLARE(DRM_MEM_BUFS);
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MALLOC_DECLARE(DRM_MEM_SEGS);
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MALLOC_DECLARE(DRM_MEM_PAGES);
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MALLOC_DECLARE(DRM_MEM_FILES);
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MALLOC_DECLARE(DRM_MEM_QUEUES);
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MALLOC_DECLARE(DRM_MEM_CMDS);
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MALLOC_DECLARE(DRM_MEM_MAPPINGS);
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MALLOC_DECLARE(DRM_MEM_BUFLISTS);
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MALLOC_DECLARE(DRM_MEM_AGPLISTS);
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MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
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MALLOC_DECLARE(DRM_MEM_SGLISTS);
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MALLOC_DECLARE(DRM_MEM_DRAWABLE);
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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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#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 {(void)(queue);} while (0)
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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_IRQSAVE(l, irqflags) do { \
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mtx_lock(l); \
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(void)irqflags; \
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} while (0)
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#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) 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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#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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#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
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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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#if __FreeBSD_version >= 700000
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#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
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#else
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#define DRM_SUSER(p) (suser(p) == 0)
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#endif
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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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typedef unsigned long dma_addr_t;
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typedef u_int64_t u64;
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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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#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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#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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#define DRM_GET_USER_UNCHECKED(val, uaddr) \
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((val) = fuword32(uaddr), 0)
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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_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 LOCK_TEST_WITH_RETURN(dev, file_priv) \
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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.file_priv != file_priv) { \
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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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/* Returns -errno to shared code */
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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 = -mtx_sleep(&(queue), &dev->irq_lock, \
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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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#define DRM_ERROR(fmt, ...) \
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printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
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DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
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#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
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#define DRM_DEBUG(fmt, ...) do { \
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if (drm_debug_flag) \
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printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
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__func__ , ##__VA_ARGS__); \
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} while (0)
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typedef struct drm_pci_id_list
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{
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int vendor;
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int device;
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long driver_private;
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char *name;
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} drm_pci_id_list_t;
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struct drm_msi_blacklist_entry
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{
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int vendor;
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int device;
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};
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#define DRM_AUTH 0x1
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#define DRM_MASTER 0x2
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#define DRM_ROOT_ONLY 0x4
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typedef struct drm_ioctl_desc {
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unsigned long cmd;
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int (*func)(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int flags;
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} drm_ioctl_desc_t;
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/**
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* Creates a driver or general drm_ioctl_desc array entry for the given
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* ioctl, for use by drm_ioctl().
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*/
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#define DRM_IOCTL_DEF(ioctl, func, flags) \
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[DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
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typedef struct drm_magic_entry {
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drm_magic_t magic;
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struct drm_file *priv;
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struct drm_magic_entry *next;
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} drm_magic_entry_t;
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typedef struct drm_magic_head {
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struct drm_magic_entry *head;
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struct drm_magic_entry *tail;
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} drm_magic_head_t;
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typedef struct drm_buf {
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int idx; /* Index into master buflist */
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int total; /* Buffer size */
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int order; /* log-base-2(total) */
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int used; /* Amount of buffer in use (for DMA) */
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unsigned long offset; /* Byte offset (used internally) */
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void *address; /* Address of buffer */
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unsigned long bus_address; /* Bus address of buffer */
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struct drm_buf *next; /* Kernel-only: used for free list */
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__volatile__ int pending; /* On hardware DMA queue */
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struct drm_file *file_priv; /* Unique identifier of holding process */
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int context; /* Kernel queue for this buffer */
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enum {
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DRM_LIST_NONE = 0,
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DRM_LIST_FREE = 1,
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DRM_LIST_WAIT = 2,
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DRM_LIST_PEND = 3,
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DRM_LIST_PRIO = 4,
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DRM_LIST_RECLAIM = 5
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} list; /* Which list we're on */
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int dev_priv_size; /* Size of buffer private stoarge */
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void *dev_private; /* Per-buffer private storage */
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} drm_buf_t;
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typedef struct drm_freelist {
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int initialized; /* Freelist in use */
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atomic_t count; /* Number of free buffers */
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drm_buf_t *next; /* End pointer */
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int low_mark; /* Low water mark */
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int high_mark; /* High water mark */
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} drm_freelist_t;
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typedef struct drm_dma_handle {
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void *vaddr;
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bus_addr_t busaddr;
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bus_dma_tag_t tag;
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bus_dmamap_t map;
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} drm_dma_handle_t;
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typedef struct drm_buf_entry {
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int buf_size;
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int buf_count;
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drm_buf_t *buflist;
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int seg_count;
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drm_dma_handle_t **seglist;
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int page_order;
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drm_freelist_t freelist;
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} drm_buf_entry_t;
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typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
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struct drm_file {
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TAILQ_ENTRY(drm_file) link;
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struct drm_device *dev;
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int authenticated;
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int master;
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int minor;
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pid_t pid;
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uid_t uid;
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drm_magic_t magic;
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unsigned long ioctl_count;
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void *driver_priv;
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};
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typedef struct drm_lock_data {
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struct drm_hw_lock *hw_lock; /* Hardware lock */
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struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
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int lock_queue; /* Queue of blocked processes */
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unsigned long lock_time; /* Time of last lock in jiffies */
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} drm_lock_data_t;
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/* This structure, in the struct drm_device, is always initialized while the
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* device
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* is open. dev->dma_lock protects the incrementing of dev->buf_use, which
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* when set marks that no further bufs may be allocated until device teardown
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* occurs (when the last open of the device has closed). The high/low
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* watermarks of bufs are only touched by the X Server, and thus not
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* concurrently accessed, so no locking is needed.
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*/
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typedef struct drm_device_dma {
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drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
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int buf_count;
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drm_buf_t **buflist; /* Vector of pointers info bufs */
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int seg_count;
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int page_count;
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unsigned long *pagelist;
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unsigned long byte_count;
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enum {
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_DRM_DMA_USE_AGP = 0x01,
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_DRM_DMA_USE_SG = 0x02
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} flags;
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} drm_device_dma_t;
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typedef struct drm_agp_mem {
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void *handle;
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unsigned long bound; /* address */
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int pages;
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struct drm_agp_mem *prev;
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struct drm_agp_mem *next;
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} drm_agp_mem_t;
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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;
|
|
struct drm_dma_handle *sg_dmah; /* Handle for sg_pages */
|
|
struct drm_dma_handle *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) */
|
|
enum drm_map_type type; /* Type of memory mapped */
|
|
enum drm_map_flags 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;
|
|
|
|
struct drm_vblank_info {
|
|
wait_queue_head_t queue; /* vblank wait queue */
|
|
atomic_t count; /* number of VBLANK interrupts */
|
|
/* (driver must alloc the right number of counters) */
|
|
struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */
|
|
atomic_t refcount; /* number of users of vblank interrupts */
|
|
u32 last; /* protected by dev->vbl_lock, used */
|
|
/* for wraparound handling */
|
|
int enabled; /* so we don't call enable more than */
|
|
/* once per disable */
|
|
int inmodeset; /* Display driver is setting mode */
|
|
};
|
|
|
|
/* location of GART table */
|
|
#define DRM_ATI_GART_MAIN 1
|
|
#define DRM_ATI_GART_FB 2
|
|
|
|
#define DRM_ATI_GART_PCI 1
|
|
#define DRM_ATI_GART_PCIE 2
|
|
#define DRM_ATI_GART_IGP 3
|
|
|
|
struct drm_ati_pcigart_info {
|
|
int gart_table_location;
|
|
int gart_reg_if;
|
|
void *addr;
|
|
dma_addr_t bus_addr;
|
|
dma_addr_t table_mask;
|
|
dma_addr_t member_mask;
|
|
struct drm_dma_handle *table_handle;
|
|
drm_local_map_t mapping;
|
|
int table_size;
|
|
};
|
|
|
|
#ifndef DMA_BIT_MASK
|
|
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
|
|
#endif
|
|
|
|
#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
|
|
|
|
struct drm_driver_info {
|
|
int (*load)(struct drm_device *, unsigned long flags);
|
|
int (*firstopen)(struct drm_device *);
|
|
int (*open)(struct drm_device *, struct drm_file *);
|
|
void (*preclose)(struct drm_device *, struct drm_file *file_priv);
|
|
void (*postclose)(struct drm_device *, struct drm_file *);
|
|
void (*lastclose)(struct drm_device *);
|
|
int (*unload)(struct drm_device *);
|
|
void (*reclaim_buffers_locked)(struct drm_device *,
|
|
struct drm_file *file_priv);
|
|
int (*dma_ioctl)(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
void (*dma_ready)(struct drm_device *);
|
|
int (*dma_quiescent)(struct drm_device *);
|
|
int (*dma_flush_block_and_flush)(struct drm_device *, int context,
|
|
enum drm_lock_flags flags);
|
|
int (*dma_flush_unblock)(struct drm_device *, int context,
|
|
enum drm_lock_flags 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)(struct drm_device *dev);
|
|
int (*irq_postinstall)(struct drm_device *dev);
|
|
void (*irq_uninstall)(struct drm_device *dev);
|
|
void (*irq_handler)(DRM_IRQ_ARGS);
|
|
u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
|
|
int (*enable_vblank)(struct drm_device *dev, int crtc);
|
|
void (*disable_vblank)(struct drm_device *dev, int crtc);
|
|
|
|
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. */
|
|
|
|
u32 driver_features;
|
|
};
|
|
|
|
/* Length for the array of resource pointers for drm_get_resource_*. */
|
|
#define DRM_MAX_PCI_RESOURCE 3
|
|
|
|
/**
|
|
* DRM device functions structure
|
|
*/
|
|
struct drm_device {
|
|
struct drm_driver_info *driver;
|
|
drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
|
|
|
|
u_int16_t pci_device; /* PCI device id */
|
|
u_int16_t pci_vendor; /* PCI vendor id */
|
|
|
|
char *unique; /* Unique identifier: e.g., busid */
|
|
int unique_len; /* Length of unique field */
|
|
device_t device; /* Device instance from newbus */
|
|
struct cdev *devnode; /* Device number for mknod */
|
|
int if_version; /* Highest interface version set */
|
|
|
|
int flags; /* Flags to open(2) */
|
|
|
|
/* Locks */
|
|
struct mtx vbl_lock; /* protects vblank operations */
|
|
struct mtx dma_lock; /* protects dev->dma */
|
|
struct mtx irq_lock; /* protects irq condition checks */
|
|
struct mtx dev_lock; /* protects everything else */
|
|
DRM_SPINTYPE drw_lock;
|
|
|
|
/* Usage Counters */
|
|
int open_count; /* Outstanding files open */
|
|
int buf_use; /* Buffers in use -- cannot alloc */
|
|
|
|
/* Performance counters */
|
|
unsigned long counters;
|
|
enum drm_stat_type 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 */
|
|
int msi_enabled; /* MSI enabled */
|
|
int irqrid; /* Interrupt used by board */
|
|
struct resource *irqr; /* Resource for interrupt used by board */
|
|
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 vblank_disable_allowed;
|
|
atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */
|
|
struct callout vblank_disable_timer;
|
|
u32 max_vblank_count; /* size of vblank counter register */
|
|
struct drm_vblank_info *vblank; /* per crtc vblank info */
|
|
int num_crtcs;
|
|
|
|
struct sigio *buf_sigio; /* Processes waiting for SIGIO */
|
|
|
|
/* 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;
|
|
|
|
struct unrhdr *drw_unrhdr;
|
|
/* RB tree of drawable infos */
|
|
RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
|
|
};
|
|
|
|
static __inline__ int drm_core_check_feature(struct drm_device *dev,
|
|
int feature)
|
|
{
|
|
return ((dev->driver->driver_features & feature) ? 1 : 0);
|
|
}
|
|
|
|
#if __OS_HAS_AGP
|
|
static inline int drm_core_has_AGP(struct drm_device *dev)
|
|
{
|
|
return drm_core_check_feature(dev, DRIVER_USE_AGP);
|
|
}
|
|
#else
|
|
#define drm_core_has_AGP(dev) (0)
|
|
#endif
|
|
|
|
extern int drm_debug_flag;
|
|
|
|
/* Device setup support (drm_drv.c) */
|
|
int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist);
|
|
int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist);
|
|
void drm_close(void *data);
|
|
int drm_detach(device_t nbdev);
|
|
d_ioctl_t drm_ioctl;
|
|
d_open_t drm_open;
|
|
d_read_t drm_read;
|
|
d_poll_t drm_poll;
|
|
d_mmap_t drm_mmap;
|
|
extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
|
|
|
|
/* File operations helpers (drm_fops.c) */
|
|
extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
|
|
DRM_STRUCTPROC *p,
|
|
struct drm_device *dev);
|
|
|
|
/* Memory management support (drm_memory.c) */
|
|
void drm_mem_init(void);
|
|
void drm_mem_uninit(void);
|
|
void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
|
|
void *drm_ioremap(struct drm_device *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(struct drm_device *dev, int old, int new);
|
|
int drm_context_switch_complete(struct drm_device *dev, int new);
|
|
|
|
int drm_ctxbitmap_init(struct drm_device *dev);
|
|
void drm_ctxbitmap_cleanup(struct drm_device *dev);
|
|
void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
|
|
int drm_ctxbitmap_next(struct drm_device *dev);
|
|
|
|
/* Locking IOCTL support (drm_lock.c) */
|
|
int drm_lock_take(struct drm_lock_data *lock_data,
|
|
unsigned int context);
|
|
int drm_lock_transfer(struct drm_lock_data *lock_data,
|
|
unsigned int context);
|
|
int drm_lock_free(struct drm_lock_data *lock_data,
|
|
unsigned int context);
|
|
|
|
/* Buffer management support (drm_bufs.c) */
|
|
unsigned long drm_get_resource_start(struct drm_device *dev,
|
|
unsigned int resource);
|
|
unsigned long drm_get_resource_len(struct drm_device *dev,
|
|
unsigned int resource);
|
|
void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
|
|
int drm_order(unsigned long size);
|
|
int drm_addmap(struct drm_device *dev, unsigned long offset,
|
|
unsigned long size,
|
|
enum drm_map_type type, enum drm_map_flags flags,
|
|
drm_local_map_t **map_ptr);
|
|
int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
|
|
int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
|
|
int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
|
|
|
|
/* DMA support (drm_dma.c) */
|
|
int drm_dma_setup(struct drm_device *dev);
|
|
void drm_dma_takedown(struct drm_device *dev);
|
|
void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
|
|
void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
|
|
#define drm_core_reclaim_buffers drm_reclaim_buffers
|
|
|
|
/* IRQ support (drm_irq.c) */
|
|
int drm_irq_install(struct drm_device *dev);
|
|
int drm_irq_uninstall(struct drm_device *dev);
|
|
irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
|
|
void drm_driver_irq_preinstall(struct drm_device *dev);
|
|
void drm_driver_irq_postinstall(struct drm_device *dev);
|
|
void drm_driver_irq_uninstall(struct drm_device *dev);
|
|
void drm_handle_vblank(struct drm_device *dev, int crtc);
|
|
u32 drm_vblank_count(struct drm_device *dev, int crtc);
|
|
int drm_vblank_get(struct drm_device *dev, int crtc);
|
|
void drm_vblank_put(struct drm_device *dev, int crtc);
|
|
int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
|
|
int drm_vblank_init(struct drm_device *dev, int num_crtcs);
|
|
void drm_vbl_send_signals(struct drm_device *dev, int crtc);
|
|
int drm_modeset_ctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* AGP/PCI Express/GART support (drm_agpsupport.c) */
|
|
int drm_device_is_agp(struct drm_device *dev);
|
|
int drm_device_is_pcie(struct drm_device *dev);
|
|
drm_agp_head_t *drm_agp_init(void);
|
|
int drm_agp_acquire(struct drm_device *dev);
|
|
int drm_agp_release(struct drm_device *dev);
|
|
int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
|
|
int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
|
|
void *drm_agp_allocate_memory(size_t pages, u32 type);
|
|
int drm_agp_free_memory(void *handle);
|
|
int drm_agp_bind_memory(void *handle, off_t start);
|
|
int drm_agp_unbind_memory(void *handle);
|
|
int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
|
|
int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
|
|
int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
|
|
int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
|
|
|
|
/* Scatter Gather Support (drm_scatter.c) */
|
|
void drm_sg_cleanup(drm_sg_mem_t *entry);
|
|
int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
|
|
|
|
/* sysctl support (drm_sysctl.h) */
|
|
extern int drm_sysctl_init(struct drm_device *dev);
|
|
extern int drm_sysctl_cleanup(struct drm_device *dev);
|
|
|
|
/* ATI PCIGART support (ati_pcigart.c) */
|
|
int drm_ati_pcigart_init(struct drm_device *dev,
|
|
struct drm_ati_pcigart_info *gart_info);
|
|
int drm_ati_pcigart_cleanup(struct drm_device *dev,
|
|
struct drm_ati_pcigart_info *gart_info);
|
|
|
|
/* Locking IOCTL support (drm_drv.c) */
|
|
int drm_lock(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_unlock(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_version(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_setversion(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* Misc. IOCTL support (drm_ioctl.c) */
|
|
int drm_irq_by_busid(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_getunique(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_setunique(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_getmap(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_getclient(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_getstats(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_noop(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* Context IOCTL support (drm_context.c) */
|
|
int drm_resctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_addctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_modctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_getctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_switchctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_newctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_rmctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_setsareactx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_getsareactx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* Drawable IOCTL support (drm_drawable.c) */
|
|
int drm_adddraw(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_rmdraw(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_update_draw(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
|
|
int handle);
|
|
|
|
/* Drawable support (drm_drawable.c) */
|
|
void drm_drawable_free_all(struct drm_device *dev);
|
|
|
|
/* Authentication IOCTL support (drm_auth.c) */
|
|
int drm_getmagic(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_authmagic(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
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/* Buffer management support (drm_bufs.c) */
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int drm_addmap_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_rmmap_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_addbufs_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_infobufs(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_markbufs(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_freebufs(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_mapbufs(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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/* DMA support (drm_dma.c) */
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int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
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/* IRQ support (drm_irq.c) */
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int drm_control(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_wait_vblank(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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/* AGP/GART support (drm_agpsupport.c) */
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int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_release_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_info_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_free_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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/* Scatter Gather Support (drm_scatter.c) */
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int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_sg_free(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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/* consistent PCI memory functions (drm_pci.c) */
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drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
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size_t align, dma_addr_t maxaddr);
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void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
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/* Inline replacements for drm_alloc and friends */
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static __inline__ void *
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drm_alloc(size_t size, struct malloc_type *area)
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{
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return malloc(size, area, M_NOWAIT);
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}
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static __inline__ void *
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drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
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{
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return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
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}
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static __inline__ void *
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drm_realloc(void *oldpt, size_t oldsize, size_t size,
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struct malloc_type *area)
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{
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return reallocf(oldpt, size, area, M_NOWAIT);
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}
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static __inline__ void
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drm_free(void *pt, size_t size, struct malloc_type *area)
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{
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free(pt, area);
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}
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/* Inline replacements for DRM_IOREMAP macros */
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static __inline__ void
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drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
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{
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map->handle = drm_ioremap_wc(dev, map);
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}
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static __inline__ void
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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
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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 *
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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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