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Diffstat (limited to 'linux/drmP.h')
| -rw-r--r-- | linux/drmP.h | 1012 |
1 files changed, 0 insertions, 1012 deletions
diff --git a/linux/drmP.h b/linux/drmP.h deleted file mode 100644 index fea3b285..00000000 --- a/linux/drmP.h +++ /dev/null @@ -1,1012 +0,0 @@ -/** - * \file drmP.h - * Private header for Direct Rendering Manager - * - * \author Rickard E. (Rik) Faith <faith@valinux.com> - * \author Gareth Hughes <gareth@valinux.com> - */ - -/* - * 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 <asm/current.h> -#endif /* __alpha__ */ -#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/miscdevice.h> -#include <linux/fs.h> -#include <linux/proc_fs.h> -#include <linux/init.h> -#include <linux/file.h> -#include <linux/pci.h> -#include <linux/version.h> -#include <linux/sched.h> -#include <linux/smp_lock.h> /* For (un)lock_kernel */ -#include <linux/mm.h> -#include <linux/pagemap.h> -#if defined(__alpha__) || defined(__powerpc__) -#include <asm/pgtable.h> /* For pte_wrprotect */ -#endif -#include <asm/io.h> -#include <asm/mman.h> -#include <asm/uaccess.h> -#ifdef CONFIG_MTRR -#include <asm/mtrr.h> -#endif -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) -#include <linux/types.h> -#include <linux/agp_backend.h> -#endif -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,41) -#define HAS_WORKQUEUE 0 -#else -#define HAS_WORKQUEUE 1 -#endif -#if !HAS_WORKQUEUE -#include <linux/tqueue.h> -#else -#include <linux/workqueue.h> -#endif -#include <linux/poll.h> -#include <asm/pgalloc.h> -#include "drm.h" - -#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" - -/* 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_FB_DMA 0x20 -#define DRIVER_HAVE_DMA 0x40 -#define DRIVER_HAVE_IRQ 0x80 -#define DRIVER_IRQ_SHARED 0x100 -#define DRIVER_IRQ_VBL 0x200 -#define DRIVER_DMA_QUEUE 0x400 - -/*@}*/ - -/***********************************************************************/ -/** \name Begin the DRM... */ -/*@{*/ - -#define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then - also include looping detection. */ - -#define DRM_HASH_SIZE 16 /**< 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_BSZ 1024 /**< Buffer size for /dev/drm? output */ -#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_MAX_CTXBITMAP (PAGE_SIZE * 8) - -/*@}*/ - - -#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(flags) & DRM_FLAG_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) (sizeof(x)/sizeof(x[0])) -#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) -#define DRM_MAX(a,b) ((a)>(b)?(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 filp file pointer of the caller. - */ -#define LOCK_TEST_WITH_RETURN( dev, filp ) \ -do { \ - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ - dev->lock.filp != filp ) { \ - DRM_ERROR( "%s called without lock held\n", \ - __FUNCTION__ ); \ - return -EINVAL; \ - } \ -} while (0) - -/** - * Ioctl function type. - * - * \param inode device inode. - * \param filp file pointer. - * \param cmd command. - * \param arg argument. - */ -typedef int drm_ioctl_t( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); - -typedef struct drm_ioctl_desc { - drm_ioctl_t *func; - int auth_needed; - int root_only; -} drm_ioctl_desc_t; - -typedef struct drm_devstate { - pid_t owner; /**< X server pid holding x_lock */ -} drm_devstate_t; - -typedef struct drm_magic_entry { - drm_magic_t magic; - struct drm_file *priv; - struct drm_magic_entry *next; -} drm_magic_entry_t; - -typedef struct drm_magic_head { - struct drm_magic_entry *head; - struct drm_magic_entry *tail; -} drm_magic_head_t; - -typedef struct drm_vma_entry { - struct vm_area_struct *vma; - struct drm_vma_entry *next; - pid_t pid; -} drm_vma_entry_t; - -/** - * DMA buffer. - */ -typedef struct drm_buf { - int idx; /**< Index into master buflist */ - int total; /**< Buffer size */ - int order; /**< log-base-2(total) */ - int used; /**< Amount of buffer in use (for DMA) */ - unsigned long offset; /**< Byte offset (used internally) */ - void *address; /**< Address of buffer */ - unsigned long bus_address; /**< Bus address of buffer */ - struct drm_buf *next; /**< Kernel-only: used for free list */ - __volatile__ int waiting; /**< On kernel DMA queue */ - __volatile__ int pending; /**< On hardware DMA queue */ - wait_queue_head_t dma_wait; /**< Processes waiting */ - struct file *filp; /**< Pointer to holding file descr */ - int context; /**< Kernel queue for this buffer */ - int while_locked;/**< Dispatch this buffer while locked */ - enum { - DRM_LIST_NONE = 0, - DRM_LIST_FREE = 1, - DRM_LIST_WAIT = 2, - DRM_LIST_PEND = 3, - DRM_LIST_PRIO = 4, - DRM_LIST_RECLAIM = 5 - } list; /**< Which list we're on */ - - int dev_priv_size; /**< Size of buffer private storage */ - void *dev_private; /**< Per-buffer private storage */ -} drm_buf_t; - - -/** bufs is one longer than it has to be */ -typedef struct drm_waitlist { - int count; /**< Number of possible buffers */ - drm_buf_t **bufs; /**< List of pointers to buffers */ - drm_buf_t **rp; /**< Read pointer */ - drm_buf_t **wp; /**< Write pointer */ - drm_buf_t **end; /**< End pointer */ - spinlock_t read_lock; - spinlock_t write_lock; -} drm_waitlist_t; - -typedef struct drm_freelist { - int initialized; /**< Freelist in use */ - atomic_t count; /**< Number of free buffers */ - drm_buf_t *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; -} drm_freelist_t; - -/** - * Buffer entry. There is one of this for each buffer size order. - */ -typedef struct drm_buf_entry { - int buf_size; /**< size */ - int buf_count; /**< number of buffers */ - drm_buf_t *buflist; /**< buffer list */ - int seg_count; - int page_order; - unsigned long *seglist; - - drm_freelist_t freelist; -} drm_buf_entry_t; - -/** File private data */ -typedef struct drm_file { - int authenticated; - int minor; - pid_t pid; - uid_t uid; - drm_magic_t magic; - unsigned long ioctl_count; - struct drm_file *next; - struct drm_file *prev; - struct drm_device *dev; - int remove_auth_on_close; - unsigned long lock_count; - void *driver_priv; -} drm_file_t; - -/** Wait queue */ -typedef 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 - drm_ctx_flags_t flags; /**< Context preserving and 2D-only */ - drm_waitlist_t waitlist; /**< Pending buffers */ - wait_queue_head_t flush_queue; /**< Processes waiting until flush */ -} drm_queue_t; - -/** - * Lock data. - */ -typedef struct drm_lock_data { - drm_hw_lock_t *hw_lock; /**< Hardware lock */ - struct file *filp; /**< File descr of lock holder (0=kernel) */ - wait_queue_head_t lock_queue; /**< Queue of blocked processes */ - unsigned long lock_time; /**< Time of last lock in jiffies */ -} drm_lock_data_t; - -/** - * DMA data. - */ -typedef struct drm_device_dma { - - drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; /**< buffers, grouped by their size order */ - int buf_count; /**< total number of buffers */ - drm_buf_t **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 - } flags; - -} drm_device_dma_t; - -/** - * AGP memory entry. Stored as a doubly linked list. - */ -typedef struct drm_agp_mem { - unsigned long handle; /**< handle */ - DRM_AGP_MEM *memory; - unsigned long bound; /**< address */ - int pages; - struct drm_agp_mem *prev; /**< previous entry */ - struct drm_agp_mem *next; /**< next entry */ -} drm_agp_mem_t; - -/** - * AGP data. - * - * \sa DRM(agp_init)() and drm_device::agp. - */ -typedef struct drm_agp_head { - DRM_AGP_KERN agp_info; /**< AGP device information */ - drm_agp_mem_t *memory; /**< memory entries */ - unsigned long mode; /**< AGP mode */ - 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; -} drm_agp_head_t; - -/** - * Scatter-gather memory. - */ -typedef struct drm_sg_mem { - unsigned long handle; - void *virtual; - int pages; - struct page **pagelist; - dma_addr_t *busaddr; -} drm_sg_mem_t; - -typedef struct drm_sigdata { - int context; - drm_hw_lock_t *lock; -} drm_sigdata_t; - -/** - * Mappings list - */ -typedef struct drm_map_list { - struct list_head head; /**< list head */ - drm_map_t *map; /**< mapping */ -} drm_map_list_t; - -typedef drm_map_t drm_local_map_t; - -/** - * Context handle list - */ -typedef struct drm_ctx_list { - struct list_head head; /**< list head */ - drm_context_t handle; /**< context handle */ - drm_file_t *tag; /**< associated fd private data */ -} drm_ctx_list_t; - - -typedef struct drm_vbl_sig { - struct list_head head; - unsigned int sequence; - struct siginfo info; - struct task_struct *task; -} drm_vbl_sig_t; - - -/** - * DRM device functions structure - */ -struct drm_device; - -struct drm_driver_fn { - int (*preinit)(struct drm_device *, unsigned long flags); - int (*postinit)(struct drm_device *, unsigned long flags); - void (*prerelease)(struct drm_device *, struct file *filp); - void (*pretakedown)(struct drm_device *); - int (*postcleanup)(struct drm_device *); - int (*presetup)(struct drm_device *); - int (*postsetup)(struct drm_device *); - - /* these are opposites at the moment */ - int (*open_helper)(struct drm_device *, drm_file_t *); - void (*free_filp_priv)(struct drm_device *, drm_file_t *); - - void (*release)(struct drm_device *, struct file *filp); - 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); - int (*kernel_context_switch_unlock)(struct drm_device *dev); - int (*vblank_wait)(struct drm_device *dev, unsigned int *sequence); -/* these have to be filled in */ - irqreturn_t (*irq_handler)( DRM_IRQ_ARGS ); - void (*irq_preinstall)(struct drm_device *dev); - void (*irq_postinstall)(struct drm_device *dev); - void (*irq_uninstall)(struct drm_device *dev); - void (*reclaim_buffers)(struct drm_device *dev, struct file *filp); - unsigned long (*get_map_ofs)(drm_map_t *map); - unsigned long (*get_reg_ofs)(struct drm_device *dev); - void (*set_version)(struct drm_device *dev, drm_set_version_t *sv); -}; - -/** - * DRM device structure. - */ -typedef struct drm_device { - const char *name; /**< Simple driver name */ - char *unique; /**< Unique identifier: e.g., busid */ - int unique_len; /**< Length of unique field */ - dev_t device; /**< Device number for mknod */ - char *devname; /**< For /proc/interrupts */ - int minor; /**< Minor device number */ - 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 semaphore struct_sem; /**< 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; - drm_stat_type_t types[15]; - atomic_t counts[15]; - /*@}*/ - - /** \name Authentication */ - /*@{*/ - drm_file_t *file_first; /**< file list head */ - drm_file_t *file_last; /**< file list tail */ - drm_magic_head_t magiclist[DRM_HASH_SIZE]; /**< magic hash table */ - /*@}*/ - - /** \name Memory management */ - /*@{*/ - drm_map_list_t *maplist; /**< Linked list of regions */ - int map_count; /**< Number of mappable regions */ - - /** \name Context handle management */ - /*@{*/ - drm_ctx_list_t *ctxlist; /**< Linked list of context handles */ - int ctx_count; /**< Number of context handles */ - struct semaphore ctxlist_sem; /**< For ctxlist */ - - drm_map_t **context_sareas; /**< per-context SAREA's */ - int max_context; - - drm_vma_entry_t *vmalist; /**< List of vmas (for debugging) */ - drm_lock_data_t 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 */ - drm_queue_t **queuelist; /**< Vector of pointers to DMA queues */ - drm_device_dma_t *dma; /**< Optional pointer for DMA support */ - /*@}*/ - - /** \name Context support */ - /*@{*/ - int irq; /**< Interrupt used by board */ - int irq_enabled; /**< True if irq handler is enabled */ - __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 */ - /*@}*/ - -#if !HAS_WORKQUEUE - struct tq_struct tq; -#else - struct work_struct work; -#endif - /** \name VBLANK IRQ support */ - /*@{*/ - - wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ - atomic_t vbl_received; - spinlock_t vbl_lock; - drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */ - unsigned int vbl_pending; - - /*@}*/ - cycles_t ctx_start; - cycles_t lck_start; - - char buf[DRM_BSZ]; /**< Output buffer */ - char *buf_rp; /**< Read pointer */ - char *buf_wp; /**< Write pointer */ - char *buf_end; /**< End pointer */ - 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 */ - - drm_agp_head_t *agp; /**< AGP data */ - - struct pci_dev *pdev; /**< PCI device structure */ - int pci_domain; /**< PCI bus domain number */ - int pci_bus; /**< PCI bus number */ - int pci_slot; /**< PCI slot number */ - int pci_func; /**< PCI function number */ -#ifdef __alpha__ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3) - struct pci_controler *hose; -#else - struct pci_controller *hose; -#endif -#endif - drm_sg_mem_t *sg; /**< Scatter gather memory */ - unsigned long *ctx_bitmap; /**< context bitmap */ - void *dev_private; /**< device private data */ - drm_sigdata_t sigdata; /**< For block_all_signals */ - sigset_t sigmask; - - struct file_operations *fops; /**< file operations */ - - struct drm_driver_fn fn_tbl; - drm_local_map_t *agp_buffer_map; - int dev_priv_size; - u32 driver_features; -} drm_device_t; - -typedef struct drm_minor { - enum { - DRM_MINOR_FREE = 0, - DRM_MINOR_PRIMARY, - DRM_MINOR_SECONDARY, - } class; - drm_device_t *dev; - struct proc_dir_entry *dev_root; /**< proc directory entry */ -} drm_minor_t; - -typedef struct drm_global { - unsigned int cards_limit; - drm_minor_t *minors; - struct drm_sysfs_class *drm_class; - struct proc_dir_entry *proc_root; -} drm_global_t; - -static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature) -{ - return ((dev->driver_features & feature) ? 1 : 0); -} - -#if __OS_HAS_AGP -static inline int drm_core_has_AGP(struct drm_device *dev) -{ - return drm_core_check_feature(dev, DRIVER_USE_AGP); -} -#else -#define drm_core_has_AGP(dev) (0) -#endif - -#if __OS_HAS_MTRR -static inline int drm_core_has_MTRR(struct drm_device *dev) -{ - return drm_core_check_feature(dev, DRIVER_USE_MTRR); -} -#else -#define drm_core_has_MTRR(dev) (0) -#endif - -extern void DRM(driver_register_fns)(struct drm_device *dev); - -/******************************************************************/ -/** \name Internal function definitions */ -/*@{*/ - - /* Misc. support (drm_init.h) */ -extern int DRM(flags); -extern void DRM(parse_options)( char *s ); -extern int DRM(cpu_valid)( void ); - - /* Driver support (drm_drv.h) */ -extern int DRM(version)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(open)(struct inode *inode, struct file *filp); -extern int DRM(release)(struct inode *inode, struct file *filp); -extern int DRM(ioctl)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(lock)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(unlock)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(fb_loaded); -extern struct file_operations DRM(fops); - - /* Device support (drm_fops.h) */ -extern int DRM(open_helper)(struct inode *inode, struct file *filp, - drm_device_t *dev); -extern int DRM(flush)(struct file *filp); -extern int DRM(fasync)(int fd, struct file *filp, int on); - - /* Mapping support (drm_vm.h) */ -extern void DRM(vm_open)(struct vm_area_struct *vma); -extern void DRM(vm_close)(struct vm_area_struct *vma); -extern void DRM(vm_shm_close)(struct vm_area_struct *vma); -extern int DRM(mmap_dma)(struct file *filp, - struct vm_area_struct *vma); -extern int DRM(mmap)(struct file *filp, struct vm_area_struct *vma); -extern unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait); -extern ssize_t DRM(read)(struct file *filp, char __user *buf, size_t count, loff_t *off); - - /* Memory management support (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 void *DRM(ioremap)(unsigned long offset, unsigned long size, drm_device_t *dev); -extern void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size, - drm_device_t *dev); -extern void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev); - -extern DRM_AGP_MEM *DRM(alloc_agp)(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 int DRM(unbind_agp)(DRM_AGP_MEM *handle); - - /* Misc. IOCTL support (drm_ioctl.h) */ -extern int DRM(irq_by_busid)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(getunique)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(setunique)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(getmap)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(getclient)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(getstats)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(setversion)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* Context IOCTL support (drm_context.h) */ -extern int DRM(resctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(addctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(modctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(getctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(switchctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(newctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(rmctx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); - -extern int DRM(context_switch)(drm_device_t *dev, int old, int new); -extern int DRM(context_switch_complete)(drm_device_t *dev, int new); - -extern int DRM(ctxbitmap_init)( drm_device_t *dev ); -extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev ); - -extern int DRM(setsareactx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(getsareactx)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); - - /* Drawable IOCTL support (drm_drawable.h) */ -extern int DRM(adddraw)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(rmdraw)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - - /* Authentication IOCTL support (drm_auth.h) */ -extern int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, - drm_magic_t magic); -extern int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic); -extern int DRM(getmagic)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(authmagic)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* Placeholder for ioctls past */ -extern int DRM(noop)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* Locking IOCTL support (drm_lock.h) */ -extern int DRM(lock_take)(__volatile__ unsigned int *lock, - unsigned int context); -extern int DRM(lock_transfer)(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int DRM(lock_free)(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int DRM(notifier)(void *priv); - - /* Buffer management support (drm_bufs.h) */ -extern int DRM(order)( unsigned long size ); -extern int DRM(addmap)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(rmmap)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(initmap)( drm_device_t *dev, unsigned int offset, - unsigned int size, int type, int flags ); -extern int DRM(addbufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(infobufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(markbufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(freebufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(mapbufs)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); - - /* DMA support (drm_dma.h) */ -extern int DRM(dma_setup)(drm_device_t *dev); -extern void DRM(dma_takedown)(drm_device_t *dev); -extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); -extern void DRM(core_reclaim_buffers)(drm_device_t *dev, struct file *filp); - - /* IRQ support (drm_irq.h) */ -extern int DRM(control)( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int DRM(irq_install)( drm_device_t *dev ); -extern int DRM(irq_uninstall)( drm_device_t *dev ); -extern irqreturn_t DRM(irq_handler)( DRM_IRQ_ARGS ); -extern void DRM(driver_irq_preinstall)( drm_device_t *dev ); -extern void DRM(driver_irq_postinstall)( drm_device_t *dev ); -extern void DRM(driver_irq_uninstall)( drm_device_t *dev ); - -extern int DRM(wait_vblank)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(vblank_wait)(drm_device_t *dev, unsigned int *vbl_seq); -extern void DRM(vbl_send_signals)( drm_device_t *dev ); - - - /* AGP/GART support (drm_agpsupport.h) */ -extern drm_agp_head_t *DRM(agp_init)(void); -extern void DRM(agp_uninit)(void); -extern int DRM(agp_acquire)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern void DRM(agp_do_release)(void); -extern int DRM(agp_release)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(agp_enable)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(agp_info)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(agp_alloc)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(agp_free)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(agp_unbind)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(agp_bind)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern DRM_AGP_MEM *DRM(agp_allocate_memory)(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); - - /* Stub support (drm_stub.h) */ -extern int DRM(probe)(struct pci_dev *pdev, const struct pci_device_id *ent); -extern int DRM(put_minor)(drm_device_t *dev); -extern int DRM(get_secondary_minor)(drm_device_t *dev, drm_minor_t **sec_minor); -extern int DRM(put_secondary_minor)(drm_minor_t *sec_minor); -extern drm_global_t *DRM(global); - - /* Proc support (drm_proc.h) */ -extern int DRM(proc_init)(drm_device_t *dev, - int minor, - struct proc_dir_entry *root, - struct proc_dir_entry **dev_root); -extern int DRM(proc_cleanup)(int minor, - struct proc_dir_entry *root, - struct proc_dir_entry *dev_root); - - /* Scatter Gather Support (drm_scatter.h) */ -extern void DRM(sg_cleanup)(drm_sg_mem_t *entry); -extern int DRM(sg_alloc)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int DRM(sg_free)(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* ATI PCIGART support (ati_pcigart.h) */ -extern int DRM(ati_pcigart_init)(drm_device_t *dev, - unsigned long *addr, - dma_addr_t *bus_addr); -extern int DRM(ati_pcigart_cleanup)(drm_device_t *dev, - unsigned long addr, - dma_addr_t bus_addr); - -extern void *DRM(pci_alloc)(drm_device_t *dev, size_t size, - size_t align, dma_addr_t maxaddr, - dma_addr_t *busaddr); -extern void DRM(pci_free)(drm_device_t *dev, size_t size, - void *vaddr, dma_addr_t busaddr); - - -/* Inline replacements for DRM_IOREMAP macros */ -static __inline__ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev) -{ - map->handle = DRM(ioremap)( map->offset, map->size, dev ); -} - -static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, struct drm_device *dev) -{ - map->handle = DRM(ioremap_nocache)(map->offset, map->size, dev); -} - -static __inline__ void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev) -{ - if ( map->handle && map->size ) - DRM(ioremapfree)( map->handle, map->size, dev ); -} - -static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned long offset) -{ - struct list_head *_list; - list_for_each( _list, &dev->maplist->head ) { - drm_map_list_t *_entry = list_entry( _list, drm_map_list_t, head ); - if ( _entry->map && - _entry->map->offset == offset ) { - return _entry->map; - } - } - return NULL; -} - -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 - -/*@}*/ - -extern unsigned long DRM(core_get_map_ofs)(drm_map_t *map); -extern unsigned long DRM(core_get_reg_ofs)(struct drm_device *dev); -#endif /* __KERNEL__ */ -#endif |