diff options
Diffstat (limited to 'linux-core/drmP.h')
| -rw-r--r-- | linux-core/drmP.h | 931 |
1 files changed, 462 insertions, 469 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 0d121243..feba8f9d 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -1,7 +1,7 @@ /** - * \file drmP.h + * \file drmP.h * Private header for Direct Rendering Manager - * + * * \author Rickard E. (Rik) Faith <faith@valinux.com> * \author Gareth Hughes <gareth@valinux.com> */ @@ -34,14 +34,13 @@ #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__ */ +#endif /* __alpha__ */ #include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> @@ -57,7 +56,7 @@ #include <linux/mm.h> #include <linux/pagemap.h> #if defined(__alpha__) || defined(__powerpc__) -#include <asm/pgtable.h> /* For pte_wrprotect */ +#include <asm/pgtable.h> /* For pte_wrprotect */ #endif #include <asm/io.h> #include <asm/mman.h> @@ -150,13 +149,11 @@ #define DRM_MEM_CTXLIST 21 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) - -/*@}*/ +/*@}*/ #include "drm_compat.h" - /***********************************************************************/ /** \name Macros to make printk easier */ /*@{*/ @@ -184,7 +181,7 @@ /** * Debug output. - * + * * \param fmt printf() like format string. * \param arg arguments */ @@ -193,7 +190,7 @@ do { \ if ( drm_flags & DRM_FLAG_DEBUG ) \ printk(KERN_DEBUG \ - "[" DRM_NAME ":%s] " fmt , \ + "[" DRM_NAME ":%s] " fmt , \ __FUNCTION__ , ##arg); \ } while (0) #else @@ -212,7 +209,6 @@ /*@}*/ - /***********************************************************************/ /** \name Internal types and structures */ /*@{*/ @@ -265,7 +261,7 @@ do { \ if ( copy_to_user( name, value, len ) ) \ return -EFAULT; \ } - + /** * Ioctl function type. * @@ -274,22 +270,22 @@ do { \ * \param cmd command. * \param arg argument. */ -typedef int drm_ioctl_t( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); +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_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 */ + 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; + drm_magic_t magic; + struct drm_file *priv; struct drm_magic_entry *next; } drm_magic_entry_t; @@ -300,111 +296,110 @@ typedef struct drm_magic_head { typedef struct drm_vma_entry { struct vm_area_struct *vma; - struct drm_vma_entry *next; - pid_t pid; + 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 */ + 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 */ + 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_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 */ + } list; /**< Which list we're on */ - int dev_priv_size; /**< Size of buffer private storage */ - void *dev_private; /**< Per-buffer private storage */ + 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; + 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 */ + 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; + 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; + 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; + 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; + 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 */ + 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 */ + 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 */ + 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 */ + 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; @@ -412,10 +407,10 @@ typedef struct drm_queue { * 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) */ + 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 */ + unsigned long lock_time; /**< Time of last lock in jiffies */ } drm_lock_data_t; /** @@ -423,35 +418,35 @@ typedef struct drm_lock_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; + 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_SG = 0x02 } flags; /** \name DMA support */ - /*@{*/ - drm_buf_t *this_buffer; /**< Buffer being sent */ - drm_buf_t *next_buffer; /**< Selected buffer to send */ - drm_queue_t *next_queue; /**< Queue from which buffer selected*/ + /*@{ */ + drm_buf_t *this_buffer; /**< Buffer being sent */ + drm_buf_t *next_buffer; /**< Selected buffer to send */ + drm_queue_t *next_queue; /**< Queue from which buffer selected*/ wait_queue_head_t waiting; /**< Processes waiting on free bufs */ - /*@}*/ + /*@} */ } 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; + 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; @@ -462,30 +457,30 @@ typedef struct drm_agp_mem { * \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_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; + unsigned long handle; + void *virtual; + int pages; + struct page **pagelist; + dma_addr_t *busaddr; } drm_sg_mem_t; typedef struct drm_sigdata { - int context; + int context; drm_hw_lock_t *lock; } drm_sigdata_t; @@ -493,8 +488,8 @@ typedef struct drm_sigdata { * Mappings list */ typedef struct drm_map_list { - struct list_head head; /**< list head */ - drm_map_t *map; /**< mapping */ + struct list_head head; /**< list head */ + drm_map_t *map; /**< mapping */ } drm_map_list_t; typedef drm_map_t drm_local_map_t; @@ -503,56 +498,55 @@ 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 */ + 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; + 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); - 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 *); - int (*dma_ioctl)( DRM_IOCTL_ARGS ); + int (*preinit) (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 *); + int (*dma_ioctl) (DRM_IOCTL_ARGS); /* 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); + 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 */ - int (*postinit)(struct drm_device *, unsigned long flags); - 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 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); - int (*version)(drm_version_t *version); + int (*postinit) (struct drm_device *, unsigned long flags); + 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 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); + int (*version) (drm_version_t * version); /* variables */ u32 driver_features; int dev_priv_size; @@ -562,124 +556,123 @@ struct drm_driver_fn { struct file_operations fops; }; - /** * 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 */ + 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? */ + 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 */ - /*@}*/ + /*@{ */ + 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 */ - /*@}*/ + /*@{ */ + 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]; - /*@}*/ + /*@{ */ + 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 */ - /*@}*/ + /*@{ */ + 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 */ + /*@{ */ + 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_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_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 */ - /*@}*/ + 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 */ - /*@}*/ + /*@{ */ + 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 */ + /*@{ */ + 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 */ - /*@}*/ - + 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; + struct tq_struct tq; #else - struct work_struct work; + 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 */ + /*@{ */ + + 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 */ + 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 */ + 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; @@ -687,14 +680,14 @@ typedef struct drm_device { 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; - + 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 drm_driver_fn *fn_tbl; - drm_local_map_t *agp_buffer_map; + drm_local_map_t *agp_buffer_map; } drm_device_t; typedef struct drm_minor { @@ -704,10 +697,11 @@ typedef struct drm_minor { DRM_MINOR_SECONDARY, } class; drm_device_t *dev; - struct proc_dir_entry *dev_root; /**< proc directory entry */ + struct proc_dir_entry *dev_root; /**< proc directory entry */ } drm_minor_t; -static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature) +static __inline__ int drm_core_check_feature(struct drm_device *dev, + int feature) { return ((dev->fn_tbl->driver_features & feature) ? 1 : 0); } @@ -715,7 +709,7 @@ static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature #if __OS_HAS_AGP static inline int drm_core_has_AGP(struct drm_device *dev) { - return drm_core_check_feature(dev, DRIVER_USE_AGP); + return drm_core_check_feature(dev, DRIVER_USE_AGP); } #else #define drm_core_has_AGP(dev) (0) @@ -724,7 +718,7 @@ static inline int drm_core_has_AGP(struct drm_device *dev) #if __OS_HAS_MTRR static inline int drm_core_has_MTRR(struct drm_device *dev) { - return drm_core_check_feature(dev, DRIVER_USE_MTRR); + return drm_core_check_feature(dev, DRIVER_USE_MTRR); } #else #define drm_core_has_MTRR(dev) (0) @@ -735,270 +729,271 @@ static inline int drm_core_has_MTRR(struct drm_device *dev) /*@{*/ /* Misc. support (drm_init.h) */ -extern int drm_flags; -extern void drm_parse_options( char *s ); -extern int drm_cpu_valid( void ); +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_fb_loaded; -extern int __devinit drm_init(struct pci_driver *driver, struct pci_device_id* pciidlist, - struct drm_driver_fn *driver_fn); -extern void __exit drm_exit (struct pci_driver *driver); -extern void __exit drm_cleanup_pci(struct pci_dev *pdev); -extern int drm_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_takedown( drm_device_t *dev ); +extern int drm_fb_loaded; +extern int __devinit drm_init(struct pci_driver *driver, + struct pci_device_id *pciidlist, + struct drm_driver_fn *driver_fn); +extern void __exit drm_exit(struct pci_driver *driver); +extern void __exit drm_cleanup_pci(struct pci_dev *pdev); +extern int drm_version(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_takedown(drm_device_t * 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_open_helper(struct inode *inode, struct file *filp, - drm_device_t *dev); -extern int drm_fasync(int fd, struct file *filp, int on); -extern int drm_release(struct inode *inode, struct file *filp); +extern int drm_open(struct inode *inode, struct file *filp); +extern int drm_stub_open(struct inode *inode, struct file *filp); +extern int drm_open_helper(struct inode *inode, struct file *filp, + drm_device_t * dev); +extern int drm_fasync(int fd, struct file *filp, int on); +extern int drm_release(struct inode *inode, struct file *filp); /* 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 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 long drm_core_get_map_ofs(drm_map_t * map); +extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); /* 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 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(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); +extern void drm_free_pages(unsigned long address, int order, int area); +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); -extern int drm_noop(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +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); +extern int drm_noop(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 void drm_ctxbitmap_free( drm_device_t *dev, int ctx_handle ); - -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 ); +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 void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle); + +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); - +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); +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); /* Locking IOCTL support (drm_lock.h) */ -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_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); +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_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_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 ); +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( struct file *filp ); +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(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 ); - +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 const drm_agp_t *drm_agp; extern drm_agp_head_t *drm_agp_init(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); +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, - struct drm_driver_fn *driver_fn); -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 unsigned int cards_limit; -extern drm_minor_t *drm_minors; +extern int drm_probe(struct pci_dev *pdev, const struct pci_device_id *ent, + struct drm_driver_fn *driver_fn); +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 unsigned int cards_limit; +extern drm_minor_t *drm_minors; extern struct drm_sysfs_class *drm_class; extern struct proc_dir_entry *drm_proc_root; /* 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); +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); - - /* sysfs support (drm_sysfs.c) */ +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); + + /* sysfs support (drm_sysfs.c) */ struct drm_sysfs_class; -extern struct drm_sysfs_class *drm_sysfs_create(struct module *owner, char *name); -extern void drm_sysfs_destroy(struct drm_sysfs_class *cs); +extern struct drm_sysfs_class *drm_sysfs_create(struct module *owner, + char *name); +extern void drm_sysfs_destroy(struct drm_sysfs_class *cs); extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, - dev_t dev, struct device *device, const char *fmt, ...); -extern void drm_sysfs_device_remove(dev_t dev); - + dev_t dev, + struct device *device, + const char *fmt, ...); +extern void drm_sysfs_device_remove(dev_t dev); /* Inline replacements for DRM_IOREMAP macros */ -static __inline__ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev) +static __inline__ void drm_core_ioremap(struct drm_map *map, + struct drm_device *dev) { - map->handle = drm_ioremap( map->offset, map->size, 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) +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) +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 ); + 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) +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 ) { + 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; } } @@ -1028,7 +1023,5 @@ extern void drm_free(void *pt, size_t size, int area); /*@}*/ -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 /* __KERNEL__ */ #endif |