1519 lines
50 KiB
C
1519 lines
50 KiB
C
/**
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* \file drmP.h
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* Private header for Direct Rendering Manager
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*
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* \author Rickard E. (Rik) Faith <faith@valinux.com>
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* \author Gareth Hughes <gareth@valinux.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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* Copyright (c) 2009-2010, Code Aurora Forum.
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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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#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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#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/ktr.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/sglist.h>
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#include <sys/stat.h>
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#include <sys/priv.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/rwlock.h>
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#include <sys/selinfo.h>
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#include <sys/sysctl.h>
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#include <sys/bus.h>
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#include <sys/queue.h>
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#include <sys/signalvar.h>
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#include <sys/poll.h>
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#include <sys/sbuf.h>
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#include <sys/taskqueue.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_kern.h>
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#include <vm/vm_map.h>
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#include <vm/vm_object.h>
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#include <vm/vm_page.h>
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#include <vm/vm_pager.h>
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#include <vm/vm_param.h>
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#include <vm/vm_phys.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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#if defined(__i386__) || defined(__amd64__)
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#include <machine/specialreg.h>
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#endif
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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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#include <dev/agp/agpvar.h>
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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/drm2/drm.h>
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#include <dev/drm2/drm_sarea.h>
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#include <dev/drm2/drm_atomic.h>
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#include <dev/drm2/drm_internal.h>
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#include <dev/drm2/drm_linux_list.h>
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#include <dev/drm2/drm_gem_names.h>
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struct drm_file;
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struct drm_device;
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#include <dev/drm2/drm_os_freebsd.h>
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#include <dev/drm2/drm_hashtab.h>
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#include <dev/drm2/drm_mm.h>
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#include "opt_compat.h"
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#include "opt_drm.h"
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#include "opt_syscons.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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#define DRM_DEBUGBITS_DEBUG 0x1
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#define DRM_DEBUGBITS_KMS 0x2
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#define DRM_DEBUGBITS_FAILED_IOCTL 0x4
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#undef DRM_LINUX
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#define DRM_LINUX 0
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/***********************************************************************/
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/** \name DRM template customization defaults */
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/*@{*/
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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_IRQ_SHARED 0x80
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#define DRIVER_IRQ_VBL 0x100
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#define DRIVER_DMA_QUEUE 0x200
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#define DRIVER_FB_DMA 0x400
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#define DRIVER_IRQ_VBL2 0x800
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#define DRIVER_GEM 0x1000
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#define DRIVER_MODESET 0x2000
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#define DRIVER_PRIME 0x4000
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#define DRIVER_LOCKLESS_IRQ 0x8000
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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_GEM_MAPPING_MASK (3ULL << 62)
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#define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
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#define DRM_GEM_MAX_IDX 0x3fffff
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#define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
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#define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
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#define DRM_GEM_MAPPING_MAPOFF(o) \
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((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
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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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MALLOC_DECLARE(DRM_MEM_MM);
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MALLOC_DECLARE(DRM_MEM_HASHTAB);
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MALLOC_DECLARE(DRM_MEM_KMS);
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SYSCTL_DECL(_hw_drm);
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#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
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/***********************************************************************/
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/** \name Internal types and structures */
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/*@{*/
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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(dev) sx_xlock(&(dev)->dev_struct_lock)
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#define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock)
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#define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
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(sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout)))
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#if defined(INVARIANTS)
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#define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED)
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#define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED)
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#else
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#define DRM_LOCK_ASSERT(d)
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#define DRM_UNLOCK_ASSERT(d)
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#endif
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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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#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 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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#define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
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#define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
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#define time_after(a,b) ((long)(b) - (long)(a) < 0)
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#define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
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#define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000)
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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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#define DRM_READMEMORYBARRIER() rmb()
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#define DRM_WRITEMEMORYBARRIER() wmb()
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#define DRM_MEMORYBARRIER() mb()
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#define DRM_READ8(map, offset) \
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*(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
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(vm_offset_t)(offset))
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#define DRM_READ16(map, offset) \
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le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
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(vm_offset_t)(offset)))
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#define DRM_READ32(map, offset) \
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le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
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(vm_offset_t)(offset)))
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#define DRM_READ64(map, offset) \
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le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
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(vm_offset_t)(offset)))
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#define DRM_WRITE8(map, offset, val) \
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*(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
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(vm_offset_t)(offset)) = val
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#define DRM_WRITE16(map, offset, val) \
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*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
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(vm_offset_t)(offset)) = htole16(val)
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#define DRM_WRITE32(map, offset, val) \
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*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
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(vm_offset_t)(offset)) = htole32(val)
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#define DRM_WRITE64(map, offset, val) \
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*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
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(vm_offset_t)(offset)) = htole64(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 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(dev); \
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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(dev); \
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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 & DRM_DEBUGBITS_DEBUG) != 0) \
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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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#define DRM_DEBUG_KMS(fmt, ...) do { \
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if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
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printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
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__func__ , ##__VA_ARGS__); \
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} while (0)
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#define DRM_DEBUG_DRIVER(fmt, ...) do { \
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if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
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printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
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__func__ , ##__VA_ARGS__); \
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} while (0)
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#define dev_err(dev, fmt, ...) \
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device_printf((dev), "error: " fmt, ## __VA_ARGS__)
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#define dev_warn(dev, fmt, ...) \
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device_printf((dev), "warning: " fmt, ## __VA_ARGS__)
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#define dev_info(dev, fmt, ...) \
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device_printf((dev), "info: " fmt, ## __VA_ARGS__)
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#define dev_dbg(dev, fmt, ...) do { \
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if ((drm_debug_flag& DRM_DEBUGBITS_KMS) != 0) { \
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device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \
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} \
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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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#define DRM_CONTROL_ALLOW 0x8
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#define DRM_UNLOCKED 0x10
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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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unsigned int cmd_drv;
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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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#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
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[DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl}
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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 waiting; /**< On kernel DMA queue */
|
|
__volatile__ int pending; /**< On hardware DMA queue */
|
|
struct drm_file *file_priv; /**< Private of holding file descr */
|
|
int context; /**< Kernel queue for this buffer */
|
|
int while_locked; /**< Dispatch this buffer while locked */
|
|
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 storage */
|
|
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;
|
|
bus_dma_tag_t tag;
|
|
bus_dmamap_t map;
|
|
} 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;
|
|
|
|
/* Event queued up for userspace to read */
|
|
struct drm_pending_event {
|
|
struct drm_event *event;
|
|
struct list_head link;
|
|
struct drm_file *file_priv;
|
|
pid_t pid; /* pid of requester, no guarantee it's valid by the time
|
|
we deliver the event, for tracing only */
|
|
void (*destroy)(struct drm_pending_event *event);
|
|
};
|
|
|
|
/* initial implementaton using a linked list - todo hashtab */
|
|
struct drm_prime_file_private {
|
|
struct list_head head;
|
|
#ifdef DUMBBELL_WIP
|
|
struct mutex lock;
|
|
#endif /* DUMBBELL_WIP */
|
|
};
|
|
|
|
typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
|
|
struct drm_file {
|
|
TAILQ_ENTRY(drm_file) link;
|
|
struct drm_device *dev;
|
|
int authenticated;
|
|
int master;
|
|
pid_t pid;
|
|
uid_t uid;
|
|
drm_magic_t magic;
|
|
unsigned long ioctl_count;
|
|
|
|
void *driver_priv;
|
|
struct drm_gem_names object_names;
|
|
|
|
int is_master;
|
|
struct drm_master *masterp;
|
|
|
|
struct list_head fbs;
|
|
|
|
struct list_head event_list;
|
|
int event_space;
|
|
struct selinfo event_poll;
|
|
|
|
struct drm_prime_file_private prime;
|
|
};
|
|
|
|
typedef struct drm_lock_data {
|
|
struct drm_hw_lock *hw_lock; /* Hardware lock */
|
|
struct drm_file *file_priv; /* 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 struct drm_device, 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 {
|
|
|
|
struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
|
|
int buf_count; /**< total number of buffers */
|
|
struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */
|
|
int seg_count;
|
|
int page_count; /**< number of pages */
|
|
unsigned long *pagelist; /**< page list */
|
|
unsigned long byte_count;
|
|
enum {
|
|
_DRM_DMA_USE_AGP = 0x01,
|
|
_DRM_DMA_USE_SG = 0x02,
|
|
_DRM_DMA_USE_FB = 0x04,
|
|
_DRM_DMA_USE_PCI_RO = 0x08
|
|
} 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 {
|
|
vm_offset_t vaddr;
|
|
vm_paddr_t *busaddr;
|
|
vm_pindex_t pages;
|
|
} drm_sg_mem_t;
|
|
|
|
#define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24)
|
|
#define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS)
|
|
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 */
|
|
void *virtual; /* Kernel-space: kernel-virtual address */
|
|
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;
|
|
|
|
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) */
|
|
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;
|
|
struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
|
|
};
|
|
|
|
typedef vm_paddr_t resource_size_t;
|
|
|
|
/**
|
|
* GEM specific mm private for tracking GEM objects
|
|
*/
|
|
struct drm_gem_mm {
|
|
struct drm_open_hash offset_hash; /**< User token hash table for maps */
|
|
struct unrhdr *idxunr;
|
|
};
|
|
|
|
struct drm_gem_object {
|
|
/** Reference count of this object */
|
|
u_int refcount;
|
|
|
|
/** Handle count of this object. Each handle also holds a reference */
|
|
u_int handle_count; /* number of handles on this object */
|
|
|
|
/** Related drm device */
|
|
struct drm_device *dev;
|
|
|
|
/** File representing the shmem storage: filp in Linux parlance */
|
|
vm_object_t vm_obj;
|
|
|
|
bool on_map;
|
|
struct drm_hash_item map_list;
|
|
|
|
/**
|
|
* Size of the object, in bytes. Immutable over the object's
|
|
* lifetime.
|
|
*/
|
|
size_t size;
|
|
|
|
/**
|
|
* Global name for this object, starts at 1. 0 means unnamed.
|
|
* Access is covered by the object_name_lock in the related drm_device
|
|
*/
|
|
int name;
|
|
|
|
/**
|
|
* Memory domains. These monitor which caches contain read/write data
|
|
* related to the object. When transitioning from one set of domains
|
|
* to another, the driver is called to ensure that caches are suitably
|
|
* flushed and invalidated
|
|
*/
|
|
uint32_t read_domains;
|
|
uint32_t write_domain;
|
|
|
|
/**
|
|
* While validating an exec operation, the
|
|
* new read/write domain values are computed here.
|
|
* They will be transferred to the above values
|
|
* at the point that any cache flushing occurs
|
|
*/
|
|
uint32_t pending_read_domains;
|
|
uint32_t pending_write_domain;
|
|
|
|
void *driver_private;
|
|
|
|
#ifdef DUMBBELL_WIP
|
|
/* dma buf exported from this GEM object */
|
|
struct dma_buf *export_dma_buf;
|
|
|
|
/* dma buf attachment backing this object */
|
|
struct dma_buf_attachment *import_attach;
|
|
#endif /* DUMBBELL_WIP */
|
|
};
|
|
|
|
#include "drm_crtc.h"
|
|
|
|
/* per-master structure */
|
|
struct drm_master {
|
|
|
|
u_int refcount; /* refcount for this master */
|
|
|
|
struct list_head head; /**< each minor contains a list of masters */
|
|
struct drm_minor *minor; /**< link back to minor we are a master for */
|
|
|
|
char *unique; /**< Unique identifier: e.g., busid */
|
|
int unique_len; /**< Length of unique field */
|
|
int unique_size; /**< amount allocated */
|
|
|
|
int blocked; /**< Blocked due to VC switch? */
|
|
|
|
/** \name Authentication */
|
|
/*@{ */
|
|
struct drm_open_hash magiclist;
|
|
struct list_head magicfree;
|
|
/*@} */
|
|
|
|
struct drm_lock_data lock; /**< Information on hardware lock */
|
|
|
|
void *driver_priv; /**< Private structure for driver to use */
|
|
};
|
|
|
|
/* Size of ringbuffer for vblank timestamps. Just double-buffer
|
|
* in initial implementation.
|
|
*/
|
|
#define DRM_VBLANKTIME_RBSIZE 2
|
|
|
|
/* Flags and return codes for get_vblank_timestamp() driver function. */
|
|
#define DRM_CALLED_FROM_VBLIRQ 1
|
|
#define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
|
|
#define DRM_VBLANKTIME_INVBL (1 << 1)
|
|
|
|
/* get_scanout_position() return flags */
|
|
#define DRM_SCANOUTPOS_VALID (1 << 0)
|
|
#define DRM_SCANOUTPOS_INVBL (1 << 1)
|
|
#define DRM_SCANOUTPOS_ACCURATE (1 << 2)
|
|
|
|
#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 (*use_msi)(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);
|
|
int (*get_scanout_position)(struct drm_device *dev, int crtc,
|
|
int *vpos, int *hpos);
|
|
|
|
int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
|
|
int *max_error, struct timeval *vblank_time,
|
|
unsigned flags);
|
|
|
|
int (*gem_init_object)(struct drm_gem_object *obj);
|
|
void (*gem_free_object)(struct drm_gem_object *obj);
|
|
int (*gem_open_object)(struct drm_gem_object *, struct drm_file *);
|
|
void (*gem_close_object)(struct drm_gem_object *, struct drm_file *);
|
|
|
|
struct cdev_pager_ops *gem_pager_ops;
|
|
|
|
int (*dumb_create)(struct drm_file *file_priv,
|
|
struct drm_device *dev, struct drm_mode_create_dumb *args);
|
|
int (*dumb_map_offset)(struct drm_file *file_priv,
|
|
struct drm_device *dev, uint32_t handle, uint64_t *offset);
|
|
int (*dumb_destroy)(struct drm_file *file_priv,
|
|
struct drm_device *dev, uint32_t handle);
|
|
|
|
int (*sysctl_init)(struct drm_device *dev,
|
|
struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
|
|
void (*sysctl_cleanup)(struct drm_device *dev);
|
|
|
|
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;
|
|
#ifdef COMPAT_FREEBSD32
|
|
drm_ioctl_desc_t *compat_ioctls;
|
|
int *compat_ioctls_nr;
|
|
#endif
|
|
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;
|
|
};
|
|
|
|
/**
|
|
* DRM minor structure. This structure represents a drm minor number.
|
|
*/
|
|
struct drm_minor {
|
|
int index; /**< Minor device number */
|
|
int type; /**< Control or render */
|
|
device_t kdev; /**< OS device */
|
|
struct drm_device *dev;
|
|
|
|
struct drm_master *master; /* currently active master for this node */
|
|
struct list_head master_list;
|
|
struct drm_mode_group mode_group;
|
|
};
|
|
|
|
/* mode specified on the command line */
|
|
struct drm_cmdline_mode {
|
|
bool specified;
|
|
bool refresh_specified;
|
|
bool bpp_specified;
|
|
int xres, yres;
|
|
int bpp;
|
|
int refresh;
|
|
bool rb;
|
|
bool interlace;
|
|
bool cvt;
|
|
bool margins;
|
|
enum drm_connector_force force;
|
|
};
|
|
|
|
|
|
struct drm_pending_vblank_event {
|
|
struct drm_pending_event base;
|
|
int pipe;
|
|
struct drm_event_vblank event;
|
|
};
|
|
|
|
/* Length for the array of resource pointers for drm_get_resource_*. */
|
|
#define DRM_MAX_PCI_RESOURCE 6
|
|
|
|
/**
|
|
* DRM device structure. This structure represent a complete card that
|
|
* may contain multiple heads.
|
|
*/
|
|
struct drm_device {
|
|
struct drm_driver_info *driver;
|
|
drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
|
|
|
|
uint16_t pci_device; /* PCI device id */
|
|
uint16_t pci_vendor; /* PCI vendor id */
|
|
uint16_t pci_subdevice; /* PCI subsystem device id */
|
|
uint16_t pci_subvendor; /* PCI subsystem 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 dma_lock; /* protects dev->dma */
|
|
struct mtx irq_lock; /* protects irq condition checks */
|
|
struct mtx dev_lock; /* protects everything else */
|
|
struct sx dev_struct_lock;
|
|
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;
|
|
struct unrhdr *map_unrhdr;
|
|
|
|
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 num_crtcs;
|
|
|
|
struct sigio *buf_sigio; /* Processes waiting for SIGIO */
|
|
|
|
/* Sysctl support */
|
|
struct drm_sysctl_info *sysctl;
|
|
int sysctl_node_idx;
|
|
|
|
drm_agp_head_t *agp;
|
|
drm_sg_mem_t *sg; /* Scatter gather memory */
|
|
unsigned long *ctx_bitmap;
|
|
void *dev_private;
|
|
unsigned int agp_buffer_token;
|
|
drm_local_map_t *agp_buffer_map;
|
|
|
|
struct drm_minor *control; /**< Control node for card */
|
|
struct drm_minor *primary; /**< render type primary screen head */
|
|
|
|
void *drm_ttm_bdev;
|
|
struct unrhdr *drw_unrhdr;
|
|
/* RB tree of drawable infos */
|
|
RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
|
|
|
|
int vblank_disable_allowed;
|
|
|
|
atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
|
|
struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
|
|
struct mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
|
|
struct mtx vbl_lock;
|
|
atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
|
|
u32 *last_vblank; /* protected by dev->vbl_lock, used */
|
|
/* for wraparound handling */
|
|
int *vblank_enabled; /* so we don't call enable more than
|
|
once per disable */
|
|
int *vblank_inmodeset; /* Display driver is setting mode */
|
|
u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
|
|
struct callout vblank_disable_callout;
|
|
|
|
u32 max_vblank_count; /**< size of vblank counter register */
|
|
|
|
struct list_head vblank_event_list;
|
|
struct mtx event_lock;
|
|
|
|
struct drm_mode_config mode_config; /**< Current mode config */
|
|
|
|
/* GEM part */
|
|
struct sx object_name_lock;
|
|
struct drm_gem_names object_names;
|
|
void *mm_private;
|
|
|
|
void *sysctl_private;
|
|
char busid_str[128];
|
|
int modesetting;
|
|
|
|
int switch_power_state;
|
|
};
|
|
|
|
#define DRM_SWITCH_POWER_ON 0
|
|
#define DRM_SWITCH_POWER_OFF 1
|
|
#define DRM_SWITCH_POWER_CHANGING 2
|
|
|
|
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
|
|
|
|
enum dmi_field {
|
|
DMI_NONE,
|
|
DMI_BIOS_VENDOR,
|
|
DMI_BIOS_VERSION,
|
|
DMI_BIOS_DATE,
|
|
DMI_SYS_VENDOR,
|
|
DMI_PRODUCT_NAME,
|
|
DMI_PRODUCT_VERSION,
|
|
DMI_PRODUCT_SERIAL,
|
|
DMI_PRODUCT_UUID,
|
|
DMI_BOARD_VENDOR,
|
|
DMI_BOARD_NAME,
|
|
DMI_BOARD_VERSION,
|
|
DMI_BOARD_SERIAL,
|
|
DMI_BOARD_ASSET_TAG,
|
|
DMI_CHASSIS_VENDOR,
|
|
DMI_CHASSIS_TYPE,
|
|
DMI_CHASSIS_VERSION,
|
|
DMI_CHASSIS_SERIAL,
|
|
DMI_CHASSIS_ASSET_TAG,
|
|
DMI_STRING_MAX,
|
|
};
|
|
|
|
struct dmi_strmatch {
|
|
unsigned char slot;
|
|
char substr[79];
|
|
};
|
|
|
|
struct dmi_system_id {
|
|
int (*callback)(const struct dmi_system_id *);
|
|
const char *ident;
|
|
struct dmi_strmatch matches[4];
|
|
};
|
|
#define DMI_MATCH(a, b) {(a), (b)}
|
|
bool dmi_check_system(const struct dmi_system_id *);
|
|
|
|
extern int drm_debug_flag;
|
|
extern int drm_notyet_flag;
|
|
extern unsigned int drm_vblank_offdelay;
|
|
extern unsigned int drm_timestamp_precision;
|
|
extern unsigned int drm_timestamp_monotonic;
|
|
|
|
/* Device setup support (drm_drv.c) */
|
|
int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
|
|
int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
|
|
int drm_create_cdevs(device_t kdev);
|
|
void drm_close(void *data);
|
|
int drm_detach(device_t kdev);
|
|
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);
|
|
|
|
void drm_event_wakeup(struct drm_pending_event *e);
|
|
|
|
int drm_add_busid_modesetting(struct drm_device *dev,
|
|
struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
|
|
|
|
/* 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);
|
|
|
|
#ifdef DUMBBELL_WIP
|
|
extern int drm_gem_prime_handle_to_fd(struct drm_device *dev,
|
|
struct drm_file *file_priv, uint32_t handle, uint32_t flags,
|
|
int *prime_fd);
|
|
extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
|
|
struct drm_file *file_priv, int prime_fd, uint32_t *handle);
|
|
|
|
extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
#ifdef DUMBBELL_WIP
|
|
/*
|
|
* See drm_prime.c
|
|
* -- dumbbell@
|
|
*/
|
|
extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages,
|
|
dma_addr_t *addrs, int max_pages);
|
|
#endif /* DUMBBELL_WIP */
|
|
extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages);
|
|
extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
|
|
|
|
|
|
void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
|
|
void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
|
|
int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
|
|
int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
|
|
void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
|
|
|
|
int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
|
|
int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
|
|
struct drm_gem_object **obj);
|
|
#endif /* DUMBBELL_WIP */
|
|
|
|
/* 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_vblank_pre_modeset(struct drm_device *dev, int crtc);
|
|
void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
|
|
int drm_modeset_ctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
|
|
extern int drm_wait_vblank(struct drm_device *dev, void *data,
|
|
struct drm_file *filp);
|
|
extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
|
|
extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
|
|
extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
|
|
struct timeval *vblanktime);
|
|
extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
|
|
void drm_handle_vblank_events(struct drm_device *dev, int crtc);
|
|
extern int drm_vblank_get(struct drm_device *dev, int crtc);
|
|
extern void drm_vblank_put(struct drm_device *dev, int crtc);
|
|
extern void drm_vblank_off(struct drm_device *dev, int crtc);
|
|
extern void drm_vblank_cleanup(struct drm_device *dev);
|
|
extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
|
|
struct timeval *tvblank, unsigned flags);
|
|
extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
|
|
int crtc, int *max_error,
|
|
struct timeval *vblank_time,
|
|
unsigned flags,
|
|
struct drm_crtc *refcrtc);
|
|
extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
|
|
|
|
struct timeval ns_to_timeval(const int64_t nsec);
|
|
int64_t timeval_to_ns(const struct timeval *tv);
|
|
|
|
/* 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);
|
|
|
|
/* Cache management (drm_memory.c) */
|
|
void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
|
|
|
|
/* 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_getcap(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);
|
|
|
|
/* Buffer management support (drm_bufs.c) */
|
|
int drm_addmap_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_rmmap_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_addbufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_infobufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_markbufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_freebufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_mapbufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* DMA support (drm_dma.c) */
|
|
int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
|
|
|
|
/* IRQ support (drm_irq.c) */
|
|
int drm_control(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* AGP/GART support (drm_agpsupport.c) */
|
|
int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_agp_release_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_agp_info_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_agp_free_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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|
|
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/* Stub support (drm_stub.h) */
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extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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|
|
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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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|
|
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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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|
|
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/* Graphics Execution Manager library functions (drm_gem.c) */
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int drm_gem_init(struct drm_device *dev);
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void drm_gem_destroy(struct drm_device *dev);
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|
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int drm_gem_close_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
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|
struct drm_file *file_priv);
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int drm_gem_open_ioctl(struct drm_device *dev, void *data,
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|
struct drm_file *file_priv);
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int drm_gem_handle_create(struct drm_file *file_priv,
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struct drm_gem_object *obj,
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|
u32 *handlep);
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int drm_gem_handle_delete(struct drm_file *file_priv, uint32_t handle);
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void drm_gem_object_handle_reference(struct drm_gem_object *obj);
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void drm_gem_object_handle_unreference(struct drm_gem_object *obj);
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void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj);
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void drm_gem_object_handle_free(struct drm_gem_object *obj);
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void drm_gem_object_reference(struct drm_gem_object *obj);
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void drm_gem_object_unreference(struct drm_gem_object *obj);
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void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj);
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void drm_gem_object_release(struct drm_gem_object *obj);
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void drm_gem_object_free(struct drm_gem_object *obj);
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int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
|
|
size_t size);
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int drm_gem_private_object_init(struct drm_device *dev,
|
|
struct drm_gem_object *obj, size_t size);
|
|
struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
|
|
size_t size);
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|
struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
|
|
struct drm_file *file_priv, uint32_t handle);
|
|
|
|
void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
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|
void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
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|
|
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int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
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|
void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
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|
int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset,
|
|
vm_size_t size, struct vm_object **obj_res, int nprot);
|
|
void drm_gem_pager_dtr(void *obj);
|
|
|
|
struct ttm_bo_device;
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|
int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset,
|
|
vm_size_t size, struct vm_object **obj_res, int nprot);
|
|
struct ttm_buffer_object;
|
|
void ttm_bo_release_mmap(struct ttm_buffer_object *bo);
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|
|
|
void drm_device_lock_mtx(struct drm_device *dev);
|
|
void drm_device_unlock_mtx(struct drm_device *dev);
|
|
int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
|
|
const char *msg, int timeout);
|
|
void drm_device_assert_mtx_locked(struct drm_device *dev);
|
|
void drm_device_assert_mtx_unlocked(struct drm_device *dev);
|
|
|
|
void drm_device_lock_struct(struct drm_device *dev);
|
|
void drm_device_unlock_struct(struct drm_device *dev);
|
|
int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
|
|
const char *msg, int timeout);
|
|
void drm_device_assert_struct_locked(struct drm_device *dev);
|
|
void drm_device_assert_struct_unlocked(struct drm_device *dev);
|
|
|
|
void drm_compat_locking_init(struct drm_device *dev);
|
|
void drm_sleep_locking_init(struct drm_device *dev);
|
|
|
|
/* drm_modes.c */
|
|
bool drm_mode_parse_command_line_for_connector(const char *mode_option,
|
|
struct drm_connector *connector, struct drm_cmdline_mode *mode);
|
|
struct drm_display_mode *drm_mode_create_from_cmdline_mode(
|
|
struct drm_device *dev, struct drm_cmdline_mode *cmd);
|
|
|
|
/* drm_edid.c */
|
|
u8 *drm_find_cea_extension(struct edid *edid);
|
|
|
|
/* Inline replacements for drm_alloc and friends */
|
|
static __inline__ void *
|
|
drm_alloc(size_t size, struct malloc_type *area)
|
|
{
|
|
return malloc(size, area, M_NOWAIT);
|
|
}
|
|
|
|
static __inline__ void *
|
|
drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
|
|
{
|
|
return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
|
|
}
|
|
|
|
static __inline__ void *
|
|
drm_realloc(void *oldpt, size_t oldsize, size_t size,
|
|
struct malloc_type *area)
|
|
{
|
|
return reallocf(oldpt, size, area, M_NOWAIT);
|
|
}
|
|
|
|
static __inline__ void
|
|
drm_free(void *pt, size_t size, struct malloc_type *area)
|
|
{
|
|
free(pt, area);
|
|
}
|
|
|
|
/* Inline replacements for DRM_IOREMAP macros */
|
|
static __inline__ void
|
|
drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
|
|
{
|
|
map->virtual = drm_ioremap_wc(dev, map);
|
|
}
|
|
static __inline__ void
|
|
drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
|
|
{
|
|
map->virtual = drm_ioremap(dev, map);
|
|
}
|
|
static __inline__ void
|
|
drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
|
|
{
|
|
if ( map->virtual && map->size )
|
|
drm_ioremapfree(map);
|
|
}
|
|
|
|
static __inline__ struct drm_local_map *
|
|
drm_core_findmap(struct drm_device *dev, unsigned long offset)
|
|
{
|
|
drm_local_map_t *map;
|
|
|
|
DRM_LOCK_ASSERT(dev);
|
|
TAILQ_FOREACH(map, &dev->maplist, link) {
|
|
if (offset == (unsigned long)map->handle)
|
|
return map;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static __inline__ void drm_core_dropmap(struct drm_map *map)
|
|
{
|
|
}
|
|
|
|
#define DRM_PCIE_SPEED_25 1
|
|
#define DRM_PCIE_SPEED_50 2
|
|
#define DRM_PCIE_SPEED_80 4
|
|
|
|
extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
|
|
|
|
#define drm_can_sleep() (DRM_HZ & 1)
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _DRM_P_H_ */
|