1955 lines
60 KiB
C
1955 lines
60 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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#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/limits.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 <sys/vmmeter.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/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_linux_list.h>
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#include <dev/drm2/drm_gem_names.h>
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#include <dev/drm2/drm_os_freebsd.h>
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#if defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))
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#define __OS_HAS_AGP 1
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#else
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#define __OS_HAS_AGP 0
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#endif
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#if defined(CONFIG_MTRR)
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#define __OS_HAS_MTRR 1
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#else
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#define __OS_HAS_MTRR 0
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#endif
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struct drm_file;
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struct drm_device;
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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_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_BUS_PCI 0x1
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#define DRIVER_BUS_PLATFORM 0x2
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#define DRIVER_BUS_USB 0x3
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/***********************************************************************/
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/** \name Begin the DRM... */
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/*@{*/
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#define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then
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also include looping detection. */
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#define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */
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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_LOOPING_LIMIT 5000000
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#define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */
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#define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */
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#define DRM_FLAG_DEBUG 0x01
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#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
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#define DRM_MAP_HASH_OFFSET 0x10000000
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/*@}*/
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/***********************************************************************/
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/** \name Macros to make printk easier */
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/*@{*/
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/**
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* Error output.
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*
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* \param fmt printf() like format string.
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* \param arg arguments
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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_WARNING(fmt, ...) printf("warning: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
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#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
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/**
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* Debug output.
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*
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* \param fmt printf() like format string.
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* \param arg arguments
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*/
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#define DRM_DEBUG(fmt, ...) do { \
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if ((drm_debug & 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_DRIVER(fmt, ...) do { \
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if ((drm_debug & 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_KMS(fmt, ...) do { \
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if ((drm_debug & 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_LOG(fmt, ...) do { \
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if ((drm_debug & DRM_DEBUGBITS_KMS) != 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_LOG_KMS(fmt, ...) do { \
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if ((drm_debug & 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_LOG_MODE(fmt, ...) do { \
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if ((drm_debug & DRM_DEBUGBITS_KMS) != 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_LOG_DRIVER(fmt, ...) do { \
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if ((drm_debug & 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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/*@}*/
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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) ARRAY_SIZE(x)
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#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1))
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#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
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#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
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/**
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* Test that the hardware lock is held by the caller, returning otherwise.
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*
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* \param dev DRM device.
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* \param filp file pointer of the caller.
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*/
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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(_file_priv->master->lock.hw_lock->lock) || \
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_file_priv->master->lock.file_priv != _file_priv) { \
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DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\
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__func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\
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_file_priv->master->lock.file_priv, _file_priv); \
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return -EINVAL; \
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} \
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} while (0)
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/**
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* Ioctl function type.
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*
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* \param inode device inode.
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* \param file_priv DRM file private pointer.
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* \param cmd command.
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* \param arg argument.
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*/
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typedef int drm_ioctl_t(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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#define DRM_IOCTL_NR(n) ((n) & 0xff)
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#define DRM_MAJOR 226
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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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struct drm_ioctl_desc {
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unsigned long cmd;
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int flags;
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drm_ioctl_t *func;
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unsigned int cmd_drv;
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};
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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)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0}
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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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struct drm_magic_entry {
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struct list_head head;
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struct drm_hash_item hash_item;
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struct drm_file *priv;
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};
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/**
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* DMA buffer.
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*/
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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 */
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__volatile__ int pending; /**< On hardware DMA queue */
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struct drm_file *file_priv; /**< Private of holding file descr */
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int context; /**< Kernel queue for this buffer */
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int while_locked; /**< Dispatch this buffer while locked */
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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 storage */
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void *dev_private; /**< Per-buffer private storage */
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};
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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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struct drm_buf *next; /**< End pointer */
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#ifdef FREEBSD_NOTYET
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wait_queue_head_t waiting; /**< Processes waiting on free bufs */
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#endif /* defined(FREEBSD_NOTYET) */
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int low_mark; /**< Low water mark */
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int high_mark; /**< High water mark */
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#ifdef FREEBSD_NOTYET
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atomic_t wfh; /**< If waiting for high mark */
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spinlock_t lock;
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#endif /* defined(FREEBSD_NOTYET) */
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};
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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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/**
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* Buffer entry. There is one of this for each buffer size order.
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*/
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struct drm_buf_entry {
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int buf_size; /**< size */
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int buf_count; /**< number of buffers */
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struct drm_buf *buflist; /**< buffer list */
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int seg_count;
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int page_order;
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struct drm_dma_handle **seglist;
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struct drm_freelist freelist;
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};
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/* Event queued up for userspace to read */
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struct drm_pending_event {
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struct drm_event *event;
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struct list_head link;
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struct drm_file *file_priv;
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pid_t pid; /* pid of requester, no guarantee it's valid by the time
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we deliver the event, for tracing only */
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void (*destroy)(struct drm_pending_event *event);
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};
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/* initial implementaton using a linked list - todo hashtab */
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struct drm_prime_file_private {
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struct list_head head;
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struct mtx lock;
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};
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struct drm_file {
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int authenticated;
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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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struct list_head lhead;
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struct drm_minor *minor;
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unsigned long lock_count;
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void *driver_priv;
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struct drm_gem_names object_names;
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int is_master; /* this file private is a master for a minor */
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struct drm_master *master; /* master this node is currently associated with
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N.B. not always minor->master */
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struct list_head fbs;
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struct selinfo event_poll;
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struct list_head event_list;
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int event_space;
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struct drm_prime_file_private prime;
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};
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/**
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* Lock data.
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*/
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struct drm_lock_data {
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struct drm_hw_lock *hw_lock; /**< Hardware lock */
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/** Private of lock holder's file (NULL=kernel) */
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struct drm_file *file_priv;
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wait_queue_head_t lock_queue; /**< Queue of blocked processes */
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unsigned long lock_time; /**< Time of last lock in jiffies */
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struct mtx spinlock;
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uint32_t kernel_waiters;
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uint32_t user_waiters;
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int idle_has_lock;
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};
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/**
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* DMA data.
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*/
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struct drm_device_dma {
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struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
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int buf_count; /**< total number of buffers */
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struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */
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int seg_count;
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int page_count; /**< number of pages */
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unsigned long *pagelist; /**< page list */
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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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_DRM_DMA_USE_FB = 0x04,
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_DRM_DMA_USE_PCI_RO = 0x08
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} flags;
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};
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/**
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* AGP memory entry. Stored as a doubly linked list.
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*/
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struct drm_agp_mem {
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unsigned long handle; /**< handle */
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DRM_AGP_MEM *memory;
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unsigned long bound; /**< address */
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int pages;
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struct list_head head;
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};
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/**
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* AGP data.
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*
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* \sa drm_agp_init() and drm_device::agp.
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*/
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struct drm_agp_head {
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DRM_AGP_KERN agp_info; /**< AGP device information */
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struct list_head memory;
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unsigned long mode; /**< AGP mode */
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device_t bridge;
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int enabled; /**< whether the AGP bus as been enabled */
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int acquired; /**< whether the AGP device has been acquired */
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unsigned long base;
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int agp_mtrr;
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int cant_use_aperture;
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};
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/**
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* Scatter-gather memory.
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*/
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struct drm_sg_mem {
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void *vaddr;
|
|
vm_paddr_t *busaddr;
|
|
vm_pindex_t pages;
|
|
};
|
|
|
|
struct drm_sigdata {
|
|
int context;
|
|
struct drm_hw_lock *lock;
|
|
};
|
|
|
|
/**
|
|
* Kernel side of a mapping
|
|
*/
|
|
#define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24)
|
|
#define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS)
|
|
|
|
struct drm_local_map {
|
|
resource_size_t offset; /**< Requested physical address (0 for SAREA)*/
|
|
unsigned long size; /**< Requested physical size (bytes) */
|
|
enum drm_map_type type; /**< Type of memory to map */
|
|
enum drm_map_flags flags; /**< Flags */
|
|
void *handle; /**< User-space: "Handle" to pass to mmap() */
|
|
/**< Kernel-space: kernel-virtual address */
|
|
int mtrr; /**< MTRR slot used */
|
|
|
|
/* Private data */
|
|
drm_dma_handle_t *dmah;
|
|
};
|
|
|
|
typedef struct drm_local_map drm_local_map_t;
|
|
|
|
/**
|
|
* Mappings list
|
|
*/
|
|
struct drm_map_list {
|
|
struct list_head head; /**< list head */
|
|
struct drm_hash_item hash;
|
|
struct drm_local_map *map; /**< mapping */
|
|
uint64_t user_token;
|
|
struct drm_master *master;
|
|
struct drm_mm_node *file_offset_node; /**< fake offset */
|
|
};
|
|
|
|
/**
|
|
* Context handle list
|
|
*/
|
|
struct drm_ctx_list {
|
|
struct list_head head; /**< list head */
|
|
drm_context_t handle; /**< context handle */
|
|
struct drm_file *tag; /**< associated fd private data */
|
|
};
|
|
|
|
/* 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;
|
|
struct drm_dma_handle *table_handle;
|
|
struct drm_local_map mapping;
|
|
int table_size;
|
|
struct drm_dma_handle *dmah; /* handle for ATI PCIGART table FIXME */
|
|
};
|
|
|
|
/**
|
|
* GEM specific mm private for tracking GEM objects
|
|
*/
|
|
struct drm_gem_mm {
|
|
struct unrhdr *idxunr;
|
|
struct drm_open_hash offset_hash; /**< User token hash table for maps */
|
|
};
|
|
|
|
/**
|
|
* This structure defines the drm_mm memory object, which will be used by the
|
|
* DRM for its buffer objects.
|
|
*/
|
|
struct drm_gem_object {
|
|
/** Reference count of this object */
|
|
u_int refcount;
|
|
|
|
/** Handle count of this object. Each handle also holds a reference */
|
|
atomic_t 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;
|
|
|
|
/* Mapping info for this object */
|
|
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 FREEBSD_NOTYET
|
|
/* 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 /* FREEBSD_NOTYET */
|
|
};
|
|
|
|
#include <dev/drm2/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)
|
|
|
|
struct drm_bus {
|
|
int bus_type;
|
|
int (*get_irq)(struct drm_device *dev);
|
|
void (*free_irq)(struct drm_device *dev);
|
|
const char *(*get_name)(struct drm_device *dev);
|
|
int (*set_busid)(struct drm_device *dev, struct drm_master *master);
|
|
int (*set_unique)(struct drm_device *dev, struct drm_master *master,
|
|
struct drm_unique *unique);
|
|
int (*irq_by_busid)(struct drm_device *dev, struct drm_irq_busid *p);
|
|
/* hooks that are for PCI */
|
|
int (*agp_init)(struct drm_device *dev);
|
|
|
|
};
|
|
|
|
/**
|
|
* DRM driver structure. This structure represent the common code for
|
|
* a family of cards. There will one drm_device for each card present
|
|
* in this family
|
|
*/
|
|
struct drm_driver {
|
|
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 *);
|
|
int (*suspend) (struct drm_device *, pm_message_t state);
|
|
int (*resume) (struct drm_device *);
|
|
int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
|
|
int (*dma_quiescent) (struct drm_device *);
|
|
int (*context_dtor) (struct drm_device *dev, int context);
|
|
|
|
/**
|
|
* get_vblank_counter - get raw hardware vblank counter
|
|
* @dev: DRM device
|
|
* @crtc: counter to fetch
|
|
*
|
|
* Driver callback for fetching a raw hardware vblank counter for @crtc.
|
|
* If a device doesn't have a hardware counter, the driver can simply
|
|
* return the value of drm_vblank_count. The DRM core will account for
|
|
* missed vblank events while interrupts where disabled based on system
|
|
* timestamps.
|
|
*
|
|
* Wraparound handling and loss of events due to modesetting is dealt
|
|
* with in the DRM core code.
|
|
*
|
|
* RETURNS
|
|
* Raw vblank counter value.
|
|
*/
|
|
u32 (*get_vblank_counter) (struct drm_device *dev, int crtc);
|
|
|
|
/**
|
|
* enable_vblank - enable vblank interrupt events
|
|
* @dev: DRM device
|
|
* @crtc: which irq to enable
|
|
*
|
|
* Enable vblank interrupts for @crtc. If the device doesn't have
|
|
* a hardware vblank counter, this routine should be a no-op, since
|
|
* interrupts will have to stay on to keep the count accurate.
|
|
*
|
|
* RETURNS
|
|
* Zero on success, appropriate errno if the given @crtc's vblank
|
|
* interrupt cannot be enabled.
|
|
*/
|
|
int (*enable_vblank) (struct drm_device *dev, int crtc);
|
|
|
|
/**
|
|
* disable_vblank - disable vblank interrupt events
|
|
* @dev: DRM device
|
|
* @crtc: which irq to enable
|
|
*
|
|
* Disable vblank interrupts for @crtc. If the device doesn't have
|
|
* a hardware vblank counter, this routine should be a no-op, since
|
|
* interrupts will have to stay on to keep the count accurate.
|
|
*/
|
|
void (*disable_vblank) (struct drm_device *dev, int crtc);
|
|
|
|
/**
|
|
* 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);
|
|
|
|
/**
|
|
* Called by vblank timestamping code.
|
|
*
|
|
* Return the current display scanout position from a crtc.
|
|
*
|
|
* \param dev DRM device.
|
|
* \param crtc Id of the crtc to query.
|
|
* \param *vpos Target location for current vertical scanout position.
|
|
* \param *hpos Target location for current horizontal scanout position.
|
|
*
|
|
* Returns vpos as a positive number while in active scanout area.
|
|
* Returns vpos as a negative number inside vblank, counting the number
|
|
* of scanlines to go until end of vblank, e.g., -1 means "one scanline
|
|
* until start of active scanout / end of vblank."
|
|
*
|
|
* \return Flags, or'ed together as follows:
|
|
*
|
|
* DRM_SCANOUTPOS_VALID = Query successful.
|
|
* DRM_SCANOUTPOS_INVBL = Inside vblank.
|
|
* DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of
|
|
* this flag means that returned position may be offset by a constant
|
|
* but unknown small number of scanlines wrt. real scanout position.
|
|
*
|
|
*/
|
|
int (*get_scanout_position) (struct drm_device *dev, int crtc,
|
|
int *vpos, int *hpos);
|
|
|
|
/**
|
|
* Called by \c drm_get_last_vbltimestamp. Should return a precise
|
|
* timestamp when the most recent VBLANK interval ended or will end.
|
|
*
|
|
* Specifically, the timestamp in @vblank_time should correspond as
|
|
* closely as possible to the time when the first video scanline of
|
|
* the video frame after the end of VBLANK will start scanning out,
|
|
* the time immediately after end of the VBLANK interval. If the
|
|
* @crtc is currently inside VBLANK, this will be a time in the future.
|
|
* If the @crtc is currently scanning out a frame, this will be the
|
|
* past start time of the current scanout. This is meant to adhere
|
|
* to the OpenML OML_sync_control extension specification.
|
|
*
|
|
* \param dev dev DRM device handle.
|
|
* \param crtc crtc for which timestamp should be returned.
|
|
* \param *max_error Maximum allowable timestamp error in nanoseconds.
|
|
* Implementation should strive to provide timestamp
|
|
* with an error of at most *max_error nanoseconds.
|
|
* Returns true upper bound on error for timestamp.
|
|
* \param *vblank_time Target location for returned vblank timestamp.
|
|
* \param flags 0 = Defaults, no special treatment needed.
|
|
* \param DRM_CALLED_FROM_VBLIRQ = Function is called from vblank
|
|
* irq handler. Some drivers need to apply some workarounds
|
|
* for gpu-specific vblank irq quirks if flag is set.
|
|
*
|
|
* \returns
|
|
* Zero if timestamping isn't supported in current display mode or a
|
|
* negative number on failure. A positive status code on success,
|
|
* which describes how the vblank_time timestamp was computed.
|
|
*/
|
|
int (*get_vblank_timestamp) (struct drm_device *dev, int crtc,
|
|
int *max_error,
|
|
struct timeval *vblank_time,
|
|
unsigned flags);
|
|
|
|
/* these have to be filled in */
|
|
|
|
irqreturn_t(*irq_handler) (DRM_IRQ_ARGS);
|
|
void (*irq_preinstall) (struct drm_device *dev);
|
|
int (*irq_postinstall) (struct drm_device *dev);
|
|
void (*irq_uninstall) (struct drm_device *dev);
|
|
void (*set_version) (struct drm_device *dev,
|
|
struct drm_set_version *sv);
|
|
|
|
/* Master routines */
|
|
int (*master_create)(struct drm_device *dev, struct drm_master *master);
|
|
void (*master_destroy)(struct drm_device *dev, struct drm_master *master);
|
|
/**
|
|
* master_set is called whenever the minor master is set.
|
|
* master_drop is called whenever the minor master is dropped.
|
|
*/
|
|
|
|
int (*master_set)(struct drm_device *dev, struct drm_file *file_priv,
|
|
bool from_open);
|
|
void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv,
|
|
bool from_release);
|
|
|
|
/**
|
|
* Driver-specific constructor for drm_gem_objects, to set up
|
|
* obj->driver_private.
|
|
*
|
|
* Returns 0 on success.
|
|
*/
|
|
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 *);
|
|
|
|
#ifdef FREEBSD_NOTYET
|
|
/* prime: */
|
|
/* export handle -> fd (see drm_gem_prime_handle_to_fd() helper) */
|
|
int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv,
|
|
uint32_t handle, uint32_t flags, int *prime_fd);
|
|
/* import fd -> handle (see drm_gem_prime_fd_to_handle() helper) */
|
|
int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv,
|
|
int prime_fd, uint32_t *handle);
|
|
/* export GEM -> dmabuf */
|
|
struct dma_buf * (*gem_prime_export)(struct drm_device *dev,
|
|
struct drm_gem_object *obj, int flags);
|
|
/* import dmabuf -> GEM */
|
|
struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev,
|
|
struct dma_buf *dma_buf);
|
|
#endif /* defined(FREEBSD_NOTYET) */
|
|
|
|
/* dumb alloc support */
|
|
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);
|
|
|
|
/* Driver private ops for this object */
|
|
struct cdev_pager_ops *gem_pager_ops;
|
|
|
|
int (*sysctl_init)(struct drm_device *dev,
|
|
struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
|
|
void (*sysctl_cleanup)(struct drm_device *dev);
|
|
|
|
int major;
|
|
int minor;
|
|
int patchlevel;
|
|
char *name;
|
|
char *desc;
|
|
char *date;
|
|
|
|
u32 driver_features;
|
|
int dev_priv_size;
|
|
struct drm_ioctl_desc *ioctls;
|
|
int num_ioctls;
|
|
struct drm_bus *bus;
|
|
#ifdef COMPAT_FREEBSD32
|
|
struct drm_ioctl_desc *compat_ioctls;
|
|
int *num_compat_ioctls;
|
|
#endif
|
|
|
|
int buf_priv_size;
|
|
};
|
|
|
|
#define DRM_MINOR_UNASSIGNED 0
|
|
#define DRM_MINOR_LEGACY 1
|
|
#define DRM_MINOR_CONTROL 2
|
|
#define DRM_MINOR_RENDER 3
|
|
|
|
/**
|
|
* DRM minor structure. This structure represents a drm minor number.
|
|
*/
|
|
struct drm_minor {
|
|
int index; /**< Minor device number */
|
|
int type; /**< Control or render */
|
|
struct cdev *device; /**< Device number for mknod */
|
|
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;
|
|
|
|
struct sigio *buf_sigio; /* Processes waiting for SIGIO */
|
|
};
|
|
|
|
/* 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;
|
|
};
|
|
|
|
/**
|
|
* DRM device structure. This structure represent a complete card that
|
|
* may contain multiple heads.
|
|
*/
|
|
struct drm_device {
|
|
int if_version; /**< Highest interface version set */
|
|
|
|
/** \name Locks */
|
|
/*@{ */
|
|
struct mtx count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
|
|
struct sx dev_struct_lock; /**< For others */
|
|
/*@} */
|
|
|
|
/** \name Usage Counters */
|
|
/*@{ */
|
|
int open_count; /**< Outstanding files open */
|
|
atomic_t ioctl_count; /**< Outstanding IOCTLs pending */
|
|
atomic_t vma_count; /**< Outstanding vma areas open */
|
|
int buf_use; /**< Buffers in use -- cannot alloc */
|
|
atomic_t buf_alloc; /**< Buffer allocation in progress */
|
|
/*@} */
|
|
|
|
/** \name Performance counters */
|
|
/*@{ */
|
|
unsigned long counters;
|
|
enum drm_stat_type types[15];
|
|
atomic_t counts[15];
|
|
/*@} */
|
|
|
|
struct list_head filelist;
|
|
|
|
/** \name Memory management */
|
|
/*@{ */
|
|
struct list_head maplist; /**< Linked list of regions */
|
|
int map_count; /**< Number of mappable regions */
|
|
struct drm_open_hash map_hash; /**< User token hash table for maps */
|
|
|
|
/** \name Context handle management */
|
|
/*@{ */
|
|
struct list_head ctxlist; /**< Linked list of context handles */
|
|
int ctx_count; /**< Number of context handles */
|
|
struct mtx ctxlist_mutex; /**< For ctxlist */
|
|
drm_local_map_t **context_sareas;
|
|
int max_context;
|
|
unsigned long *ctx_bitmap;
|
|
|
|
/*@} */
|
|
|
|
/** \name DMA support */
|
|
/*@{ */
|
|
struct drm_device_dma *dma; /**< Optional pointer for DMA support */
|
|
/*@} */
|
|
|
|
/** \name Context support */
|
|
/*@{ */
|
|
int irq_enabled; /**< True if irq handler is enabled */
|
|
atomic_t context_flag; /**< Context swapping flag */
|
|
atomic_t interrupt_flag; /**< Interruption handler flag */
|
|
atomic_t dma_flag; /**< DMA dispatch flag */
|
|
wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */
|
|
int last_checked; /**< Last context checked for DMA */
|
|
int last_context; /**< Last current context */
|
|
unsigned long last_switch; /**< jiffies at last context switch */
|
|
/*@} */
|
|
|
|
/** \name VBLANK IRQ support */
|
|
/*@{ */
|
|
|
|
/*
|
|
* At load time, disabling the vblank interrupt won't be allowed since
|
|
* old clients may not call the modeset ioctl and therefore misbehave.
|
|
* Once the modeset ioctl *has* been called though, we can safely
|
|
* disable them when unused.
|
|
*/
|
|
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 */
|
|
|
|
/**
|
|
* List of events
|
|
*/
|
|
struct list_head vblank_event_list;
|
|
struct mtx event_lock;
|
|
|
|
/*@} */
|
|
|
|
struct drm_agp_head *agp; /**< AGP data */
|
|
|
|
device_t dev; /* Device instance from newbus */
|
|
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 */
|
|
|
|
struct drm_sg_mem *sg; /**< Scatter gather memory */
|
|
unsigned int num_crtcs; /**< Number of CRTCs on this device */
|
|
void *dev_private; /**< device private data */
|
|
void *mm_private;
|
|
struct drm_sigdata sigdata; /**< For block_all_signals */
|
|
sigset_t sigmask;
|
|
|
|
struct drm_driver *driver;
|
|
struct drm_local_map *agp_buffer_map;
|
|
unsigned int agp_buffer_token;
|
|
struct drm_minor *control; /**< Control node for card */
|
|
struct drm_minor *primary; /**< render type primary screen head */
|
|
|
|
struct drm_mode_config mode_config; /**< Current mode config */
|
|
|
|
/** \name GEM information */
|
|
/*@{ */
|
|
struct sx object_name_lock;
|
|
struct drm_gem_names object_names;
|
|
/*@} */
|
|
int switch_power_state;
|
|
|
|
atomic_t unplugged; /* device has been unplugged or gone away */
|
|
|
|
/* Locks */
|
|
struct mtx dma_lock; /* protects dev->dma */
|
|
struct mtx irq_lock; /* protects irq condition checks */
|
|
|
|
/* Context support */
|
|
int irq; /* Interrupt used by board */
|
|
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_* */
|
|
#define DRM_MAX_PCI_RESOURCE 6
|
|
struct resource *pcir[DRM_MAX_PCI_RESOURCE];
|
|
int pcirid[DRM_MAX_PCI_RESOURCE];
|
|
struct mtx pcir_lock;
|
|
|
|
int pci_domain;
|
|
int pci_bus;
|
|
int pci_slot;
|
|
int pci_func;
|
|
|
|
/* Sysctl support */
|
|
struct drm_sysctl_info *sysctl;
|
|
int sysctl_node_idx;
|
|
|
|
void *drm_ttm_bdev;
|
|
|
|
void *sysctl_private;
|
|
char busid_str[128];
|
|
int modesetting;
|
|
|
|
const drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
|
|
};
|
|
|
|
#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);
|
|
}
|
|
|
|
static inline int drm_dev_to_irq(struct drm_device *dev)
|
|
{
|
|
return dev->driver->bus->get_irq(dev);
|
|
}
|
|
|
|
|
|
#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
|
|
|
|
#if __OS_HAS_MTRR
|
|
static inline int drm_core_has_MTRR(struct drm_device *dev)
|
|
{
|
|
return drm_core_check_feature(dev, DRIVER_USE_MTRR);
|
|
}
|
|
|
|
#define DRM_MTRR_WC MDF_WRITECOMBINE
|
|
|
|
int drm_mtrr_add(unsigned long offset, unsigned long size, unsigned int flags);
|
|
int drm_mtrr_del(int handle, unsigned long offset, unsigned long size, unsigned int flags);
|
|
|
|
#else
|
|
#define drm_core_has_MTRR(dev) (0)
|
|
|
|
#define DRM_MTRR_WC 0
|
|
|
|
static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
|
|
unsigned int flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int drm_mtrr_del(int handle, unsigned long offset,
|
|
unsigned long size, unsigned int flags)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/******************************************************************/
|
|
/** \name Internal function definitions */
|
|
/*@{*/
|
|
|
|
/* Driver support (drm_drv.h) */
|
|
d_ioctl_t drm_ioctl;
|
|
extern int drm_lastclose(struct drm_device *dev);
|
|
|
|
/* Device support (drm_fops.h) */
|
|
extern struct sx drm_global_mutex;
|
|
d_open_t drm_open;
|
|
d_read_t drm_read;
|
|
extern void drm_release(void *data);
|
|
|
|
/* Mapping support (drm_vm.h) */
|
|
d_mmap_t drm_mmap;
|
|
int drm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset,
|
|
vm_size_t size, struct vm_object **obj_res, int nprot);
|
|
d_poll_t drm_poll;
|
|
|
|
|
|
/* Misc. IOCTL support (drm_ioctl.h) */
|
|
extern int drm_irq_by_busid(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_getunique(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_setunique(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_getmap(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_getclient(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_getstats(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_getcap(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_setversion(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_noop(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* Context IOCTL support (drm_context.h) */
|
|
extern int drm_resctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_addctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_modctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_getctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_switchctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_newctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_rmctx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
extern int drm_ctxbitmap_init(struct drm_device *dev);
|
|
extern void drm_ctxbitmap_cleanup(struct drm_device *dev);
|
|
extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
|
|
|
|
extern int drm_setsareactx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_getsareactx(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* Authentication IOCTL support (drm_auth.h) */
|
|
extern int drm_getmagic(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_authmagic(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic);
|
|
|
|
/* Cache management (drm_cache.c) */
|
|
void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
|
|
void drm_clflush_virt_range(char *addr, unsigned long length);
|
|
|
|
/* Locking IOCTL support (drm_lock.h) */
|
|
extern int drm_lock(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_unlock(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context);
|
|
extern void drm_idlelock_take(struct drm_lock_data *lock_data);
|
|
extern void drm_idlelock_release(struct drm_lock_data *lock_data);
|
|
|
|
/*
|
|
* These are exported to drivers so that they can implement fencing using
|
|
* DMA quiscent + idle. DMA quiescent usually requires the hardware lock.
|
|
*/
|
|
|
|
extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv);
|
|
|
|
/* Buffer management support (drm_bufs.h) */
|
|
extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request);
|
|
extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request);
|
|
extern int drm_addmap(struct drm_device *dev, resource_size_t offset,
|
|
unsigned int size, enum drm_map_type type,
|
|
enum drm_map_flags flags, struct drm_local_map **map_ptr);
|
|
extern int drm_addmap_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map);
|
|
extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map);
|
|
extern int drm_rmmap_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_addbufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_infobufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_markbufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_freebufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_mapbufs(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_order(unsigned long size);
|
|
|
|
/* DMA support (drm_dma.h) */
|
|
extern int drm_dma_setup(struct drm_device *dev);
|
|
extern void drm_dma_takedown(struct drm_device *dev);
|
|
extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf);
|
|
extern void drm_core_reclaim_buffers(struct drm_device *dev,
|
|
struct drm_file *filp);
|
|
|
|
/* IRQ support (drm_irq.h) */
|
|
extern int drm_control(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_irq_install(struct drm_device *dev);
|
|
extern int drm_irq_uninstall(struct drm_device *dev);
|
|
|
|
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 void drm_send_vblank_event(struct drm_device *dev, int crtc,
|
|
struct drm_pending_vblank_event *e);
|
|
extern bool drm_handle_vblank(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);
|
|
|
|
extern bool
|
|
drm_mode_parse_command_line_for_connector(const char *mode_option,
|
|
struct drm_connector *connector,
|
|
struct drm_cmdline_mode *mode);
|
|
|
|
extern struct drm_display_mode *
|
|
drm_mode_create_from_cmdline_mode(struct drm_device *dev,
|
|
struct drm_cmdline_mode *cmd);
|
|
|
|
/* Modesetting support */
|
|
extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
|
|
extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
|
|
extern int drm_modeset_ctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
|
|
/* Stub support (drm_stub.h) */
|
|
extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
struct drm_master *drm_master_create(struct drm_minor *minor);
|
|
extern struct drm_master *drm_master_get(struct drm_master *master);
|
|
extern void drm_master_put(struct drm_master **master);
|
|
|
|
extern void drm_put_dev(struct drm_device *dev);
|
|
extern int drm_put_minor(struct drm_minor **minor);
|
|
extern void drm_unplug_dev(struct drm_device *dev);
|
|
extern unsigned int drm_debug;
|
|
extern unsigned int drm_notyet;
|
|
|
|
extern unsigned int drm_vblank_offdelay;
|
|
extern unsigned int drm_timestamp_precision;
|
|
extern unsigned int drm_timestamp_monotonic;
|
|
|
|
extern struct drm_local_map *drm_getsarea(struct drm_device *dev);
|
|
|
|
|
|
#ifdef FREEBSD_NOTYET
|
|
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);
|
|
|
|
extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages,
|
|
dma_addr_t *addrs, int max_pages);
|
|
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 /* FREEBSD_NOTYET */
|
|
|
|
/* Scatter Gather Support (drm_scatter.h) */
|
|
extern void drm_sg_cleanup(struct drm_sg_mem * entry);
|
|
extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
|
|
extern int drm_sg_free(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* ATI PCIGART support (ati_pcigart.h) */
|
|
extern int drm_ati_pcigart_init(struct drm_device *dev,
|
|
struct drm_ati_pcigart_info * gart_info);
|
|
extern int drm_ati_pcigart_cleanup(struct drm_device *dev,
|
|
struct drm_ati_pcigart_info * gart_info);
|
|
|
|
extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
|
|
size_t align, dma_addr_t maxaddr);
|
|
extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);
|
|
extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);
|
|
|
|
/* Graphics Execution Manager library functions (drm_gem.c) */
|
|
int drm_gem_init(struct drm_device *dev);
|
|
void drm_gem_destroy(struct drm_device *dev);
|
|
void drm_gem_object_release(struct drm_gem_object *obj);
|
|
void drm_gem_object_free(struct drm_gem_object *obj);
|
|
struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
|
|
size_t size);
|
|
int drm_gem_object_init(struct drm_device *dev,
|
|
struct drm_gem_object *obj, size_t size);
|
|
int drm_gem_private_object_init(struct drm_device *dev,
|
|
struct drm_gem_object *obj, size_t size);
|
|
void drm_gem_object_handle_free(struct drm_gem_object *obj);
|
|
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);
|
|
|
|
#include <dev/drm2/drm_global.h>
|
|
|
|
static inline void
|
|
drm_gem_object_reference(struct drm_gem_object *obj)
|
|
{
|
|
|
|
KASSERT(obj->refcount > 0, ("Dangling obj %p", obj));
|
|
refcount_acquire(&obj->refcount);
|
|
}
|
|
|
|
static inline void
|
|
drm_gem_object_unreference(struct drm_gem_object *obj)
|
|
{
|
|
|
|
if (obj == NULL)
|
|
return;
|
|
if (refcount_release(&obj->refcount))
|
|
drm_gem_object_free(obj);
|
|
}
|
|
|
|
static inline void
|
|
drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
|
|
{
|
|
if (obj != NULL) {
|
|
struct drm_device *dev = obj->dev;
|
|
DRM_LOCK(dev);
|
|
drm_gem_object_unreference(obj);
|
|
DRM_UNLOCK(dev);
|
|
}
|
|
}
|
|
|
|
int drm_gem_handle_create(struct drm_file *file_priv,
|
|
struct drm_gem_object *obj,
|
|
u32 *handlep);
|
|
int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
|
|
|
|
static inline void
|
|
drm_gem_object_handle_reference(struct drm_gem_object *obj)
|
|
{
|
|
drm_gem_object_reference(obj);
|
|
atomic_inc(&obj->handle_count);
|
|
}
|
|
|
|
static inline void
|
|
drm_gem_object_handle_unreference(struct drm_gem_object *obj)
|
|
{
|
|
if (obj == NULL)
|
|
return;
|
|
|
|
if (atomic_read(&obj->handle_count) == 0)
|
|
return;
|
|
/*
|
|
* Must bump handle count first as this may be the last
|
|
* ref, in which case the object would disappear before we
|
|
* checked for a name
|
|
*/
|
|
if (atomic_dec_and_test(&obj->handle_count))
|
|
drm_gem_object_handle_free(obj);
|
|
drm_gem_object_unreference(obj);
|
|
}
|
|
|
|
static inline void
|
|
drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
|
|
{
|
|
if (obj == NULL)
|
|
return;
|
|
|
|
if (atomic_read(&obj->handle_count) == 0)
|
|
return;
|
|
|
|
/*
|
|
* Must bump handle count first as this may be the last
|
|
* ref, in which case the object would disappear before we
|
|
* checked for a name
|
|
*/
|
|
|
|
if (atomic_dec_and_test(&obj->handle_count))
|
|
drm_gem_object_handle_free(obj);
|
|
drm_gem_object_unreference_unlocked(obj);
|
|
}
|
|
|
|
void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
|
|
int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
|
|
|
|
struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
|
|
struct drm_file *filp,
|
|
u32 handle);
|
|
int drm_gem_close_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int drm_gem_open_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
|
|
void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
|
|
|
|
extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev);
|
|
extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev);
|
|
extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev);
|
|
|
|
static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev,
|
|
unsigned int token)
|
|
{
|
|
struct drm_map_list *_entry;
|
|
list_for_each_entry(_entry, &dev->maplist, head)
|
|
if (_entry->user_token == token)
|
|
return _entry->map;
|
|
return NULL;
|
|
}
|
|
|
|
static __inline__ void drm_core_dropmap(struct drm_local_map *map)
|
|
{
|
|
}
|
|
|
|
#include <dev/drm2/drm_mem_util.h>
|
|
|
|
extern int drm_fill_in_dev(struct drm_device *dev,
|
|
struct drm_driver *driver);
|
|
extern void drm_cancel_fill_in_dev(struct drm_device *dev);
|
|
int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type);
|
|
/*@}*/
|
|
|
|
/* PCI section */
|
|
int drm_pci_device_is_agp(struct drm_device *dev);
|
|
int drm_pci_device_is_pcie(struct drm_device *dev);
|
|
|
|
extern int drm_get_pci_dev(device_t kdev, struct drm_device *dev,
|
|
struct drm_driver *driver);
|
|
|
|
#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)
|
|
|
|
/* Platform section */
|
|
int drm_get_platform_dev(device_t kdev, struct drm_device *dev,
|
|
struct drm_driver *driver);
|
|
|
|
/* FreeBSD specific -- should be moved to drm_os_freebsd.h */
|
|
|
|
#define DRM_GEM_MAPPING_MASK (3ULL << 62)
|
|
#define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
|
|
#define DRM_GEM_MAX_IDX 0x3fffff
|
|
#define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
|
|
#define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
|
|
#define DRM_GEM_MAPPING_MAPOFF(o) \
|
|
((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
|
|
|
|
SYSCTL_DECL(_hw_drm);
|
|
|
|
#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
|
|
#define DRM_DEV_UID UID_ROOT
|
|
#define DRM_DEV_GID GID_VIDEO
|
|
|
|
#define DRM_WAKEUP(w) wakeup((void *)w)
|
|
#define DRM_WAKEUP_INT(w) wakeup(w)
|
|
#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
|
|
|
|
#define DRM_CURPROC curthread
|
|
#define DRM_STRUCTPROC struct thread
|
|
#define DRM_SPINTYPE struct mtx
|
|
#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF)
|
|
#define DRM_SPINUNINIT(l) mtx_destroy(l)
|
|
#define DRM_SPINLOCK(l) mtx_lock(l)
|
|
#define DRM_SPINUNLOCK(u) mtx_unlock(u)
|
|
#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
|
|
mtx_lock(l); \
|
|
(void)irqflags; \
|
|
} while (0)
|
|
#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
|
|
#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
|
|
#define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
|
|
(sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout)))
|
|
#if defined(INVARIANTS)
|
|
#define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED)
|
|
#define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED)
|
|
#else
|
|
#define DRM_LOCK_ASSERT(d)
|
|
#define DRM_UNLOCK_ASSERT(d)
|
|
#endif
|
|
|
|
#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
|
|
|
|
enum {
|
|
DRM_IS_NOT_AGP,
|
|
DRM_IS_AGP,
|
|
DRM_MIGHT_BE_AGP
|
|
};
|
|
|
|
#define DRM_VERIFYAREA_READ( uaddr, size ) \
|
|
(!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
|
|
|
|
#define DRM_COPY_TO_USER(user, kern, size) \
|
|
copyout(kern, user, size)
|
|
#define DRM_COPY_FROM_USER(kern, user, size) \
|
|
copyin(user, kern, size)
|
|
#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
|
|
copyin(arg2, arg1, arg3)
|
|
#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
|
|
copyout(arg2, arg1, arg3)
|
|
#define DRM_GET_USER_UNCHECKED(val, uaddr) \
|
|
((val) = fuword32(uaddr), 0)
|
|
|
|
#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
|
|
(_map) = (_dev)->context_sareas[_ctx]; \
|
|
} while(0)
|
|
|
|
/* Returns -errno to shared code */
|
|
#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
|
|
for ( ret = 0 ; !ret && !(condition) ; ) { \
|
|
DRM_UNLOCK(dev); \
|
|
mtx_lock(&dev->irq_lock); \
|
|
if (!(condition)) \
|
|
ret = -mtx_sleep(&(queue), &dev->irq_lock, \
|
|
PCATCH, "drmwtq", (timeout)); \
|
|
if (ret == -ERESTART) \
|
|
ret = -ERESTARTSYS; \
|
|
mtx_unlock(&dev->irq_lock); \
|
|
DRM_LOCK(dev); \
|
|
}
|
|
|
|
#define dev_err(dev, fmt, ...) \
|
|
device_printf((dev), "error: " fmt, ## __VA_ARGS__)
|
|
#define dev_warn(dev, fmt, ...) \
|
|
device_printf((dev), "warning: " fmt, ## __VA_ARGS__)
|
|
#define dev_info(dev, fmt, ...) \
|
|
device_printf((dev), "info: " fmt, ## __VA_ARGS__)
|
|
#define dev_dbg(dev, fmt, ...) do { \
|
|
if ((drm_debug& DRM_DEBUGBITS_KMS) != 0) { \
|
|
device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \
|
|
} \
|
|
} while (0)
|
|
|
|
struct drm_msi_blacklist_entry
|
|
{
|
|
int vendor;
|
|
int device;
|
|
};
|
|
|
|
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 */
|
|
};
|
|
|
|
#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))
|
|
|
|
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 *);
|
|
|
|
/* Device setup support (drm_drv.c) */
|
|
int drm_probe_helper(device_t kdev, const drm_pci_id_list_t *idlist);
|
|
int drm_attach_helper(device_t kdev, const drm_pci_id_list_t *idlist,
|
|
struct drm_driver *driver);
|
|
int drm_generic_suspend(device_t kdev);
|
|
int drm_generic_resume(device_t kdev);
|
|
int drm_generic_detach(device_t kdev);
|
|
|
|
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);
|
|
|
|
/* 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);
|
|
|
|
/* IRQ support (drm_irq.c) */
|
|
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);
|
|
|
|
/* sysctl support (drm_sysctl.h) */
|
|
extern int drm_sysctl_init(struct drm_device *dev);
|
|
extern int drm_sysctl_cleanup(struct drm_device *dev);
|
|
|
|
int drm_version(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
/* consistent PCI memory functions (drm_pci.c) */
|
|
int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
|
|
int drm_pci_set_unique(struct drm_device *dev, struct drm_master *master,
|
|
struct drm_unique *u);
|
|
int drm_pci_agp_init(struct drm_device *dev);
|
|
int drm_pci_enable_msi(struct drm_device *dev);
|
|
void drm_pci_disable_msi(struct drm_device *dev);
|
|
|
|
struct ttm_bo_device;
|
|
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);
|
|
|
|
#if __OS_HAS_AGP
|
|
/* Memory management support (drm_memory.h) */
|
|
extern void drm_free_agp(DRM_AGP_MEM * handle, int pages);
|
|
extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
|
|
#ifdef FREEBSD_NOTYET
|
|
extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
|
|
struct page **pages,
|
|
unsigned long num_pages,
|
|
uint32_t gtt_offset,
|
|
uint32_t type);
|
|
#endif /* FREEBSD_NOTYET */
|
|
extern int drm_unbind_agp(DRM_AGP_MEM * handle);
|
|
|
|
/* AGP/GART support (drm_agpsupport.h) */
|
|
extern struct drm_agp_head *drm_agp_init(struct drm_device *dev);
|
|
extern int drm_agp_acquire(struct drm_device *dev);
|
|
extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_agp_release(struct drm_device *dev);
|
|
extern int drm_agp_release_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
|
|
extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
|
|
extern int drm_agp_info_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
|
|
extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
|
|
extern int drm_agp_free_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
|
|
extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
|
|
extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
#else
|
|
|
|
static inline void drm_free_agp(DRM_AGP_MEM * handle, int pages)
|
|
{
|
|
}
|
|
|
|
static inline int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_unbind_agp(DRM_AGP_MEM * handle)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
#ifdef FREEBSD_NOTYET
|
|
static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
|
|
struct page **pages,
|
|
unsigned long num_pages,
|
|
uint32_t gtt_offset,
|
|
uint32_t type)
|
|
{
|
|
return NULL;
|
|
}
|
|
#endif
|
|
static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline void drm_agp_clear(struct drm_device *dev)
|
|
{
|
|
}
|
|
|
|
static inline int drm_agp_acquire(struct drm_device *dev)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_release(struct drm_device *dev)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_enable(struct drm_device *dev,
|
|
struct drm_agp_mode mode)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_info(struct drm_device *dev,
|
|
struct drm_agp_info *info)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_alloc(struct drm_device *dev,
|
|
struct drm_agp_buffer *request)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_free(struct drm_device *dev,
|
|
struct drm_agp_buffer *request)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_unbind(struct drm_device *dev,
|
|
struct drm_agp_binding *request)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_bind(struct drm_device *dev,
|
|
struct drm_agp_binding *request)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
#endif /* __OS_HAS_AGP */
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif
|