From 9dd3613073aa2491cef440725fdfa0cf1e8f1a42 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= Date: Tue, 17 Nov 2009 09:46:56 -0500 Subject: Drop shared-core, bsd-core, linux-core and scripts subdirs --- linux-core/drmP.h | 1480 ----------------------------------------------------- 1 file changed, 1480 deletions(-) delete mode 100644 linux-core/drmP.h (limited to 'linux-core/drmP.h') diff --git a/linux-core/drmP.h b/linux-core/drmP.h deleted file mode 100644 index 9b4b071c..00000000 --- a/linux-core/drmP.h +++ /dev/null @@ -1,1480 +0,0 @@ -/** - * \file drmP.h - * Private header for Direct Rendering Manager - * - * \author Rickard E. (Rik) Faith - * \author Gareth Hughes - */ - -/* - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#ifndef _DRM_P_H_ -#define _DRM_P_H_ - -#ifdef __KERNEL__ -#ifdef __alpha__ -/* add include of current.h so that "current" is defined - * before static inline funcs in wait.h. Doing this so we - * can build the DRM (part of PI DRI). 4/21/2000 S + B */ -#include -#endif /* __alpha__ */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include /* For (un)lock_kernel */ -#include -#include -#include -#include -#include -#if defined(__alpha__) || defined(__powerpc__) -#include /* For pte_wrprotect */ -#endif -#include -#include -#include -#ifdef CONFIG_MTRR -#include -#endif -#include -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) -#include -#include -#endif -#include -#include -#include -#include "drm.h" -#include -#include - -#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) -#define __OS_HAS_MTRR (defined(CONFIG_MTRR)) - -#include "drm_os_linux.h" -#include "drm_hashtab.h" -#include "drm_internal.h" - -struct drm_device; -struct drm_file; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) -typedef unsigned long uintptr_t; -#endif - -/* If you want the memory alloc debug functionality, change define below */ -/* #define DEBUG_MEMORY */ - -/***********************************************************************/ -/** \name DRM template customization defaults */ -/*@{*/ - -/* driver capabilities and requirements mask */ -#define DRIVER_USE_AGP 0x1 -#define DRIVER_REQUIRE_AGP 0x2 -#define DRIVER_USE_MTRR 0x4 -#define DRIVER_PCI_DMA 0x8 -#define DRIVER_SG 0x10 -#define DRIVER_HAVE_DMA 0x20 -#define DRIVER_HAVE_IRQ 0x40 -#define DRIVER_IRQ_SHARED 0x80 -#define DRIVER_DMA_QUEUE 0x100 -#define DRIVER_FB_DMA 0x200 -#define DRIVER_GEM 0x400 - -/*@}*/ - -/***********************************************************************/ -/** \name Begin the DRM... */ -/*@{*/ - -#define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then - also include looping detection. */ - -#define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ -#define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ -#define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ -#define DRM_LOOPING_LIMIT 5000000 -#define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ -#define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ - -#define DRM_FLAG_DEBUG 0x01 - -#define DRM_MEM_DMA 0 -#define DRM_MEM_SAREA 1 -#define DRM_MEM_DRIVER 2 -#define DRM_MEM_MAGIC 3 -#define DRM_MEM_IOCTLS 4 -#define DRM_MEM_MAPS 5 -#define DRM_MEM_VMAS 6 -#define DRM_MEM_BUFS 7 -#define DRM_MEM_SEGS 8 -#define DRM_MEM_PAGES 9 -#define DRM_MEM_FILES 10 -#define DRM_MEM_QUEUES 11 -#define DRM_MEM_CMDS 12 -#define DRM_MEM_MAPPINGS 13 -#define DRM_MEM_BUFLISTS 14 -#define DRM_MEM_AGPLISTS 15 -#define DRM_MEM_TOTALAGP 16 -#define DRM_MEM_BOUNDAGP 17 -#define DRM_MEM_CTXBITMAP 18 -#define DRM_MEM_STUB 19 -#define DRM_MEM_SGLISTS 20 -#define DRM_MEM_CTXLIST 21 -#define DRM_MEM_MM 22 -#define DRM_MEM_HASHTAB 23 -#define DRM_MEM_OBJECTS 24 -#define DRM_MEM_BUFOBJ 27 - -#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) -#define DRM_MAP_HASH_OFFSET 0x10000000 -#define DRM_MAP_HASH_ORDER 12 -#define DRM_OBJECT_HASH_ORDER 12 -#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1) -#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16) -/* - * This should be small enough to allow the use of kmalloc for hash tables - * instead of vmalloc. - */ - -#define DRM_FILE_HASH_ORDER 8 -#define DRM_MM_INIT_MAX_PAGES 256 - -/*@}*/ - -#include "drm_compat.h" - -/***********************************************************************/ -/** \name Macros to make printk easier */ -/*@{*/ - -/** - * Error output. - * - * \param fmt printf() like format string. - * \param arg arguments - */ -#define DRM_ERROR(fmt, arg...) \ - printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg) - -/** - * Memory error output. - * - * \param area memory area where the error occurred. - * \param fmt printf() like format string. - * \param arg arguments - */ -#define DRM_MEM_ERROR(area, fmt, arg...) \ - printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \ - drm_mem_stats[area].name , ##arg) -#define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) - -/** - * Debug output. - * - * \param fmt printf() like format string. - * \param arg arguments - */ -#if DRM_DEBUG_CODE -#define DRM_DEBUG(fmt, arg...) \ - do { \ - if ( drm_debug ) \ - printk(KERN_DEBUG \ - "[" DRM_NAME ":%s] " fmt , \ - __FUNCTION__ , ##arg); \ - } while (0) -#else -#define DRM_DEBUG(fmt, arg...) do { } while (0) -#endif - -#define DRM_PROC_LIMIT (PAGE_SIZE-80) - -#define DRM_PROC_PRINT(fmt, arg...) \ - len += sprintf(&buf[len], fmt , ##arg); \ - if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } - -#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ - len += sprintf(&buf[len], fmt , ##arg); \ - if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } - -/*@}*/ - -/***********************************************************************/ -/** \name Internal types and structures */ -/*@{*/ - -#define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) -#define DRM_MIN(a,b) min(a,b) -#define DRM_MAX(a,b) max(a,b) - -#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) -#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) -#define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) - -#define DRM_IF_VERSION(maj, min) (maj << 16 | min) -/** - * Get the private SAREA mapping. - * - * \param _dev DRM device. - * \param _ctx context number. - * \param _map output mapping. - */ -#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ - (_map) = (_dev)->context_sareas[_ctx]; \ -} while(0) - -/** - * Test that the hardware lock is held by the caller, returning otherwise. - * - * \param dev DRM device. - * \param file_priv DRM file private pointer of the caller. - */ -#define LOCK_TEST_WITH_RETURN( dev, file_priv ) \ -do { \ - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ - dev->lock.file_priv != file_priv ) { \ - DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ - __FUNCTION__, _DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ),\ - dev->lock.file_priv, file_priv ); \ - return -EINVAL; \ - } \ -} while (0) - -/** - * Copy and IOCTL return string to user space - */ -#define DRM_COPY( name, value ) \ - len = strlen( value ); \ - if ( len > name##_len ) len = name##_len; \ - name##_len = strlen( value ); \ - if ( len && name ) { \ - if ( copy_to_user( name, value, len ) ) \ - return -EFAULT; \ - } - -/** - * Ioctl function type. - * - * \param dev DRM device structure - * \param data pointer to kernel-space stored data, copied in and out according - * to ioctl description. - * \param file_priv DRM file private pointer. - */ -typedef int drm_ioctl_t(struct drm_device *dev, void *data, - struct drm_file *file_priv); - -typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, - unsigned long arg); - -#define DRM_AUTH 0x1 -#define DRM_MASTER 0x2 -#define DRM_ROOT_ONLY 0x4 - -struct drm_ioctl_desc { - unsigned int cmd; - drm_ioctl_t *func; - int flags; -}; -/** - * Creates a driver or general drm_ioctl_desc array entry for the given - * ioctl, for use by drm_ioctl(). - */ -#define DRM_IOCTL_DEF(ioctl, func, flags) \ - [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} - -struct drm_magic_entry { - struct list_head head; - struct drm_hash_item hash_item; - struct drm_file *priv; -}; - -struct drm_vma_entry { - struct list_head head; - struct vm_area_struct *vma; - pid_t pid; -}; - -/** - * DMA buffer. - */ -struct drm_buf { - int idx; /**< Index into master buflist */ - int total; /**< Buffer size */ - int order; /**< log-base-2(total) */ - int used; /**< Amount of buffer in use (for DMA) */ - unsigned long offset; /**< Byte offset (used internally) */ - void *address; /**< Address of buffer */ - unsigned long bus_address; /**< Bus address of buffer */ - struct drm_buf *next; /**< Kernel-only: used for free list */ - __volatile__ int waiting; /**< On kernel DMA queue */ - __volatile__ int pending; /**< On hardware DMA queue */ - wait_queue_head_t dma_wait; /**< Processes waiting */ - 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 */ -}; - -/** bufs is one longer than it has to be */ -struct drm_waitlist { - int count; /**< Number of possible buffers */ - struct drm_buf **bufs; /**< List of pointers to buffers */ - struct drm_buf **rp; /**< Read pointer */ - struct drm_buf **wp; /**< Write pointer */ - struct drm_buf **end; /**< End pointer */ - spinlock_t read_lock; - spinlock_t write_lock; -}; - -struct drm_freelist { - int initialized; /**< Freelist in use */ - atomic_t count; /**< Number of free buffers */ - struct drm_buf *next; /**< End pointer */ - - wait_queue_head_t waiting; /**< Processes waiting on free bufs */ - int low_mark; /**< Low water mark */ - int high_mark; /**< High water mark */ - atomic_t wfh; /**< If waiting for high mark */ - spinlock_t lock; -}; - -typedef struct drm_dma_handle { - dma_addr_t busaddr; - void *vaddr; - size_t size; -} drm_dma_handle_t; - -/** - * Buffer entry. There is one of this for each buffer size order. - */ -struct drm_buf_entry { - int buf_size; /**< size */ - int buf_count; /**< number of buffers */ - struct drm_buf *buflist; /**< buffer list */ - int seg_count; - int page_order; - struct drm_dma_handle **seglist; - struct drm_freelist freelist; -}; - - -enum drm_ref_type { - _DRM_REF_USE = 0, - _DRM_REF_TYPE1, - _DRM_NO_REF_TYPES -}; - - -/** File private data */ -struct drm_file { - int authenticated; - int master; - pid_t pid; - uid_t uid; - drm_magic_t magic; - unsigned long ioctl_count; - struct list_head lhead; - struct drm_minor *minor; - int remove_auth_on_close; - unsigned long lock_count; - - /* - * The user object hash table is global and resides in the - * drm_device structure. We protect the lists and hash tables with the - * device struct_mutex. A bit coarse-grained but probably the best - * option. - */ - - struct list_head refd_objects; - - /** Mapping of mm object handles to object pointers. */ - struct idr object_idr; - /** Lock for synchronization of access to object_idr. */ - spinlock_t table_lock; - - struct drm_open_hash refd_object_hash[_DRM_NO_REF_TYPES]; - struct file *filp; - void *driver_priv; -}; - -/** Wait queue */ -struct drm_queue { - atomic_t use_count; /**< Outstanding uses (+1) */ - atomic_t finalization; /**< Finalization in progress */ - atomic_t block_count; /**< Count of processes waiting */ - atomic_t block_read; /**< Queue blocked for reads */ - wait_queue_head_t read_queue; /**< Processes waiting on block_read */ - atomic_t block_write; /**< Queue blocked for writes */ - wait_queue_head_t write_queue; /**< Processes waiting on block_write */ -#if 1 - atomic_t total_queued; /**< Total queued statistic */ - atomic_t total_flushed; /**< Total flushes statistic */ - atomic_t total_locks; /**< Total locks statistics */ -#endif - enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ - struct drm_waitlist waitlist; /**< Pending buffers */ - wait_queue_head_t flush_queue; /**< Processes waiting until flush */ -}; - -/** - * Lock data. - */ -struct drm_lock_data { - struct drm_hw_lock *hw_lock; /**< Hardware lock */ - /** Private of lock holder's file (NULL=kernel) */ - struct drm_file *file_priv; - wait_queue_head_t lock_queue; /**< Queue of blocked processes */ - unsigned long lock_time; /**< Time of last lock in jiffies */ - spinlock_t spinlock; - uint32_t kernel_waiters; - uint32_t user_waiters; - int idle_has_lock; -}; - -/** - * DMA data. - */ -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; - -}; - -/** - * AGP memory entry. Stored as a doubly linked list. - */ -struct drm_agp_mem { - unsigned long handle; /**< handle */ - DRM_AGP_MEM *memory; - unsigned long bound; /**< address */ - int pages; - struct list_head head; -}; - -/** - * AGP data. - * - * \sa drm_agp_init() and drm_device::agp. - */ -struct drm_agp_head { - DRM_AGP_KERN agp_info; /**< AGP device information */ - struct list_head memory; - unsigned long mode; /**< AGP mode */ - struct agp_bridge_data *bridge; - int enabled; /**< whether the AGP bus as been enabled */ - int acquired; /**< whether the AGP device has been acquired */ - unsigned long base; - int agp_mtrr; - int cant_use_aperture; - unsigned long page_mask; -}; - -/** - * Scatter-gather memory. - */ -struct drm_sg_mem { - unsigned long handle; - void *virtual; - int pages; - struct page **pagelist; - dma_addr_t *busaddr; -}; - -struct drm_sigdata { - int context; - struct drm_hw_lock *lock; -}; - - -/* - * Generic memory manager structs - */ - -struct drm_mm_node { - struct list_head fl_entry; - struct list_head ml_entry; - int free; - unsigned long start; - unsigned long size; - struct drm_mm *mm; - void *private; -}; - -struct drm_mm { - struct list_head fl_entry; - struct list_head ml_entry; -}; - - -/** - * Mappings list - */ -struct drm_map_list { - struct list_head head; /**< list head */ - struct drm_hash_item hash; - struct drm_map *map; /**< mapping */ - uint64_t user_token; - struct drm_mm_node *file_offset_node; -}; - -typedef struct drm_map drm_local_map_t; - -/** - * 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 */ -}; - -struct drm_vbl_sig { - struct list_head head; - unsigned int sequence; - struct siginfo info; - struct task_struct *task; -}; - -/* 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; -}; - -/** - * 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 */ - struct kref refcount; - - /** Handle count of this object. Each handle also holds a reference */ - struct kref handlecount; - - /** Related drm device */ - struct drm_device *dev; - - /** File representing the shmem storage */ - struct file *filp; - - /** - * 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; -}; - -/** - * 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); - void (*dma_ready) (struct drm_device *); - int (*dma_quiescent) (struct drm_device *); - 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); - void (*kernel_context_switch_unlock) (struct drm_device * dev); - /** - * 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 and - * make the enable_vblank() and disable_vblank() hooks into no-ops, - * leaving interrupts enabled at all times. - * - * 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); - int (*dri_library_name) (struct drm_device *dev, char * buf); - - /** - * 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); - -/* 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 (*reclaim_buffers) (struct drm_device *dev, - struct drm_file *file_priv); - void (*reclaim_buffers_locked) (struct drm_device *dev, - struct drm_file *file_priv); - void (*reclaim_buffers_idlelocked) (struct drm_device *dev, - struct drm_file *file_priv); - unsigned long (*get_map_ofs) (struct drm_map *map); - unsigned long (*get_reg_ofs) (struct drm_device *dev); - void (*set_version) (struct drm_device *dev, - struct drm_set_version *sv); - - int (*proc_init)(struct drm_minor *minor); - void (*proc_cleanup)(struct drm_minor *minor); - - /** - * 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); - - struct drm_fence_driver *fence_driver; - struct drm_bo_driver *bo_driver; - - int major; - int minor; - int patchlevel; - char *name; - char *desc; - char *date; - -/* variables */ - u32 driver_features; - int dev_priv_size; - struct drm_ioctl_desc *ioctls; - int num_ioctls; - struct file_operations fops; - struct pci_driver pci_driver; -}; - -#define DRM_MINOR_UNASSIGNED 0 -#define DRM_MINOR_LEGACY 1 - -/** - * DRM minor structure. This structure represents a drm minor number. - */ -struct drm_minor { - int index; /**< Minor device number */ - int type; /**< Control or render */ - dev_t device; /**< Device number for mknod */ - struct device kdev; /**< Linux device */ - struct drm_device *dev; - struct proc_dir_entry *dev_root; /**< proc directory entry */ - struct class_device *dev_class; -}; - - -/** - * DRM device structure. This structure represent a complete card that - * may contain multiple heads. - */ -struct drm_device { - char *unique; /**< Unique identifier: e.g., busid */ - int unique_len; /**< Length of unique field */ - char *devname; /**< For /proc/interrupts */ - int if_version; /**< Highest interface version set */ - - int blocked; /**< Blocked due to VC switch? */ - - /** \name Locks */ - /*@{ */ - spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ - struct mutex struct_mutex; /**< 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]; - /*@} */ - - /** \name Authentication */ - /*@{ */ - struct list_head filelist; - struct drm_open_hash magiclist; - struct list_head magicfree; - /*@} */ - - /** \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 mutex ctxlist_mutex; /**< For ctxlist */ - - struct idr ctx_idr; - - struct list_head vmalist; /**< List of vmas (for debugging) */ - struct drm_lock_data lock; /**< Information on hardware lock */ - /*@} */ - - /** \name DMA queues (contexts) */ - /*@{ */ - int queue_count; /**< Number of active DMA queues */ - int queue_reserved; /**< Number of reserved DMA queues */ - int queue_slots; /**< Actual length of queuelist */ - struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ - struct drm_device_dma *dma; /**< Optional pointer for DMA support */ - /*@} */ - - /** \name Context support */ - /*@{ */ - int irq; /**< Interrupt used by board */ - int irq_enabled; /**< True if irq handler is enabled */ - int msi_enabled; /**< True if irq is MSI */ - __volatile__ long context_flag; /**< Context swapping flag */ - __volatile__ long interrupt_flag; /**< Interruption handler flag */ - __volatile__ long dma_flag; /**< DMA dispatch flag */ - struct timer_list timer; /**< Timer for delaying ctx switch */ - 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 */ - /*@} */ - - struct work_struct work; - - /** \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; - - wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ - atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ - spinlock_t vbl_lock; - struct list_head *vbl_sigs; /**< signal list to send on VBLANK */ - atomic_t vbl_signal_pending; /* number of signals pending on all crtcs*/ - atomic_t *vblank_refcount; /* number of users of vblank interrupts per 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 */ - struct timer_list vblank_disable_timer; - - u32 max_vblank_count; /**< size of vblank counter register */ - spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ - void (*locked_tasklet_func)(struct drm_device *dev); - - /*@} */ - cycles_t ctx_start; - cycles_t lck_start; - - struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ - wait_queue_head_t buf_readers; /**< Processes waiting to read */ - wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ - - struct drm_agp_head *agp; /**< AGP data */ - - struct pci_dev *pdev; /**< PCI device structure */ - int pci_vendor; /**< PCI vendor id */ - int pci_device; /**< PCI device id */ -#ifdef __alpha__ - struct pci_controller *hose; -#endif - int num_crtcs; /**< Number of CRTCs on this device */ - struct drm_sg_mem *sg; /**< Scatter gather memory */ - void *dev_private; /**< device private data */ - struct drm_sigdata sigdata; /**< For block_all_signals */ - sigset_t sigmask; - - struct drm_driver *driver; - drm_local_map_t *agp_buffer_map; - unsigned int agp_buffer_token; - struct drm_minor *primary; /**< render type primary screen head */ - - /** \name Drawable information */ - /*@{ */ - spinlock_t drw_lock; - struct idr drw_idr; - /*@} */ - - /** \name GEM information */ - /*@{ */ - spinlock_t object_name_lock; - struct idr object_name_idr; - atomic_t object_count; - atomic_t object_memory; - atomic_t pin_count; - atomic_t pin_memory; - atomic_t gtt_count; - atomic_t gtt_memory; - uint32_t gtt_total; - uint32_t invalidate_domains; /* domains pending invalidation */ - uint32_t flush_domains; /* domains pending flush */ - /*@} */ -}; - - -static __inline__ int drm_core_check_feature(struct drm_device *dev, - int feature) -{ - return ((dev->driver->driver_features & feature) ? 1 : 0); -} - -#ifdef __alpha__ -#define drm_get_pci_domain(dev) dev->hose->index -#else -#define drm_get_pci_domain(dev) 0 -#endif - -#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 MTRR_TYPE_WRCOMB - -static inline int drm_mtrr_add(unsigned long offset, unsigned long size, - unsigned int flags) -{ - return mtrr_add(offset, size, flags, 1); -} - -static inline int drm_mtrr_del(int handle, unsigned long offset, - unsigned long size, unsigned int flags) -{ - return mtrr_del(handle, offset, size); -} - -#else -static inline int drm_mtrr_add(unsigned long offset, unsigned long size, - unsigned int flags) -{ - return -ENODEV; -} - -static inline int drm_mtrr_del(int handle, unsigned long offset, - unsigned long size, unsigned int flags) -{ - return -ENODEV; -} - -#define drm_core_has_MTRR(dev) (0) -#define DRM_MTRR_WC 0 -#endif - - -/******************************************************************/ -/** \name Internal function definitions */ -/*@{*/ - - /* Driver support (drm_drv.h) */ -extern int drm_fb_loaded; -extern int drm_init(struct drm_driver *driver, - struct pci_device_id *pciidlist); -extern void drm_exit(struct drm_driver *driver); -extern void drm_cleanup_pci(struct pci_dev *pdev); -extern int drm_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern long drm_unlocked_ioctl(struct file *filp, - unsigned int cmd, unsigned long arg); -extern long drm_compat_ioctl(struct file *filp, - unsigned int cmd, unsigned long arg); - -extern int drm_lastclose(struct drm_device *dev); - - /* Device support (drm_fops.h) */ -extern int drm_open(struct inode *inode, struct file *filp); -extern int drm_stub_open(struct inode *inode, struct file *filp); -extern int drm_fasync(int fd, struct file *filp, int on); -extern int drm_release(struct inode *inode, struct file *filp); -unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); - - /* Mapping support (drm_vm.h) */ -extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); -extern unsigned long drm_core_get_map_ofs(struct drm_map * map); -extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); -extern pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma); - - /* Memory management support (drm_memory.h) */ -#include "drm_memory.h" -extern void drm_mem_init(void); -extern int drm_mem_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -extern void *drm_calloc(size_t nmemb, size_t size, int area); -extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); -extern unsigned long drm_alloc_pages(int order, int area); -extern void drm_free_pages(unsigned long address, int order, int area); -extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); -extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); -extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); -extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, - struct page **pages, - unsigned long num_pages, - uint32_t gtt_offset); -extern int drm_unbind_agp(DRM_AGP_MEM * handle); - -extern void drm_free_memctl(size_t size); -extern int drm_alloc_memctl(size_t size); -extern void drm_query_memctl(uint64_t *cur_used, - uint64_t *emer_used, - uint64_t *low_threshold, - uint64_t *high_threshold, - uint64_t *emer_threshold); -extern void drm_init_memctl(size_t low_threshold, - size_t high_threshold, - size_t unit_size); - - /* 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_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); - - /* Drawable IOCTL support (drm_drawable.h) */ -extern int drm_adddraw(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_rmdraw(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int drm_update_drawable_info(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, - drm_drawable_t id); -extern void drm_drawable_free_all(struct drm_device *dev); - - /* 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); - - /* 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_take(struct drm_lock_data *lock_data, unsigned int context); -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_addbufs_fb (struct drm_device *dev, struct drm_buf_desc * request); -extern int drm_addmap(struct drm_device *dev, unsigned int offset, - unsigned int size, enum drm_map_type type, - enum drm_map_flags flags, drm_local_map_t ** 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, drm_local_map_t *map); -extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *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); -extern unsigned long drm_get_resource_start(struct drm_device *dev, - unsigned int resource); -extern unsigned long drm_get_resource_len(struct drm_device *dev, - unsigned int resource); -extern struct drm_map_list *drm_find_matching_map(struct drm_device *dev, - drm_local_map_t *map); - - - /* 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 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); -extern int drm_irq_install(struct drm_device *dev); -extern int drm_irq_uninstall(struct drm_device *dev); -extern void drm_driver_irq_preinstall(struct drm_device *dev); -extern void drm_driver_irq_postinstall(struct drm_device *dev); -extern void drm_driver_irq_uninstall(struct drm_device *dev); - -extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); -extern void drm_vblank_cleanup(struct drm_device *dev); -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 void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*)); -extern u32 drm_vblank_count(struct drm_device *dev, int crtc); -extern void 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); - - /* Modesetting support */ -extern int drm_modeset_ctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); - - /* 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); -extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); -extern int drm_agp_free_memory(DRM_AGP_MEM * handle); -extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); -extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); -extern void drm_agp_chipset_flush(struct drm_device *dev); - /* Stub support (drm_stub.h) */ -extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, - struct drm_driver *driver); -extern int drm_put_dev(struct drm_device *dev); -extern int drm_put_minor(struct drm_device *dev); -extern unsigned int drm_debug; /* 1 to enable debug output */ - -extern struct class *drm_class; -extern struct proc_dir_entry *drm_proc_root; - -extern struct idr drm_minors_idr; - -extern drm_local_map_t *drm_getsarea(struct drm_device *dev); - - /* Proc support (drm_proc.h) */ -int drm_proc_init(struct drm_minor *minor, int minor_id, - struct proc_dir_entry *root); -int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); - - /* 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); - - /* sysfs support (drm_sysfs.c) */ -struct drm_sysfs_class; -extern struct class *drm_sysfs_create(struct module *owner, char *name); -extern void drm_sysfs_destroy(void); -extern int drm_sysfs_device_add(struct drm_minor *minor); -extern void drm_sysfs_device_remove(struct drm_minor *minor); - -/* - * Basic memory manager support (drm_mm.c) - */ - -extern struct drm_mm_node * drm_mm_get_block(struct drm_mm_node * parent, unsigned long size, - unsigned alignment); -extern void drm_mm_put_block(struct drm_mm_node *cur); -extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, - unsigned alignment, int best_match); -extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); -extern void drm_mm_takedown(struct drm_mm *mm); -extern int drm_mm_clean(struct drm_mm *mm); -extern unsigned long drm_mm_tail_space(struct drm_mm *mm); -extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); -extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); - -static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block) -{ - return block->mm; -} - -/* Graphics Execution Manager library functions (drm_gem.c) */ -int -drm_gem_init (struct drm_device *dev); - -void -drm_gem_object_free (struct kref *kref); - -struct drm_gem_object * -drm_gem_object_alloc(struct drm_device *dev, size_t size); - -void -drm_gem_object_handle_free (struct kref *kref); - -static inline void drm_gem_object_reference(struct drm_gem_object *obj) -{ - kref_get(&obj->refcount); -} - -static inline void drm_gem_object_unreference(struct drm_gem_object *obj) -{ - if (obj == NULL) - return; - - kref_put (&obj->refcount, drm_gem_object_free); -} - -int -drm_gem_handle_create(struct drm_file *file_priv, - struct drm_gem_object *obj, - int *handlep); - -static inline void drm_gem_object_handle_reference (struct drm_gem_object *obj) -{ - drm_gem_object_reference (obj); - kref_get(&obj->handlecount); -} - -static inline void drm_gem_object_handle_unreference (struct drm_gem_object *obj) -{ - if (obj == NULL) - 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 - */ - kref_put (&obj->handlecount, drm_gem_object_handle_free); - drm_gem_object_unreference (obj); -} - -struct drm_gem_object * -drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp, - int 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_map *map, struct drm_device *dev); -extern void drm_core_ioremap_wc(struct drm_map *map, struct drm_device *dev); -extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); - -static __inline__ struct drm_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__ int drm_device_is_agp(struct drm_device *dev) -{ - if ( dev->driver->device_is_agp != NULL ) { - int err = (*dev->driver->device_is_agp)(dev); - - if (err != 2) { - return err; - } - } - - return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); -} - -static __inline__ int drm_device_is_pcie(struct drm_device *dev) -{ - return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); -} - -static __inline__ void drm_core_dropmap(struct drm_map *map) -{ -} - -#ifndef DEBUG_MEMORY -/** Wrapper around kmalloc() */ -static __inline__ void *drm_alloc(size_t size, int area) -{ - return kmalloc(size, GFP_KERNEL); -} - -/** Wrapper around kfree() */ -static __inline__ void drm_free(void *pt, size_t size, int area) -{ - kfree(pt); -} -#else -extern void *drm_alloc(size_t size, int area); -extern void drm_free(void *pt, size_t size, int area); -#endif - -/* - * Accounting variants of standard calls. - */ - -static inline void *drm_ctl_alloc(size_t size, int area) -{ - void *ret; - if (drm_alloc_memctl(size)) - return NULL; - ret = drm_alloc(size, area); - if (!ret) - drm_free_memctl(size); - return ret; -} - -static inline void *drm_ctl_calloc(size_t nmemb, size_t size, int area) -{ - void *ret; - - if (drm_alloc_memctl(nmemb*size)) - return NULL; - ret = drm_calloc(nmemb, size, area); - if (!ret) - drm_free_memctl(nmemb*size); - return ret; -} - -static inline void drm_ctl_free(void *pt, size_t size, int area) -{ - drm_free(pt, size, area); - drm_free_memctl(size); -} - -/*@}*/ - -#endif /* __KERNEL__ */ -#endif -- cgit v1.2.3