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Diffstat (limited to 'bsd/drmP.h')
| -rw-r--r-- | bsd/drmP.h | 708 |
1 files changed, 708 insertions, 0 deletions
diff --git a/bsd/drmP.h b/bsd/drmP.h new file mode 100644 index 00000000..863836a6 --- /dev/null +++ b/bsd/drmP.h @@ -0,0 +1,708 @@ +/* drmP.h -- Private header for Direct Rendering Manager -*- c -*- + * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com + * Revised: Tue Oct 12 08:51:07 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * 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 + * PRECISION INSIGHT 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. + * + * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.58 1999/08/30 13:05:00 faith Exp $ + * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.1 1999/09/25 14:37:59 dawes Exp $ + * + */ + +#ifndef _DRM_P_H_ +#define _DRM_P_H_ + +#ifdef _KERNEL +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/malloc.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/stat.h> +#include <sys/proc.h> +#include <sys/lock.h> +#include <sys/fcntl.h> +#include <sys/uio.h> +#include <sys/filio.h> +#include <sys/sysctl.h> +#include <sys/select.h> +#include <sys/bus.h> +#include <sys/taskqueue.h> + +#ifdef DRM_AGP +#include <pci/agpvar.h> +#endif + +#include "drm.h" + +typedef u_int32_t atomic_t; +typedef u_int32_t cycles_t; +typedef u_int32_t spinlock_t; +#define atomic_set(p, v) (*(p) = (v)) +#define atomic_read(p) (*(p)) +#define atomic_inc(p) atomic_add_int(p, 1) +#define atomic_dec(p) atomic_subtract_int(p, 1) +#define atomic_add(n, p) atomic_add_int(p, n) +#define atomic_sub(n, p) atomic_subtract_int(p, n) + +/* Fake this */ +static __inline u_int32_t +test_and_set_bit(int b, volatile u_int32_t *p) +{ + u_int32_t m = 1<<b; + u_int32_t r = *p & m; + *p |= m; + return r; +} + +static __inline void +clear_bit(int b, volatile u_int32_t *p) +{ + atomic_clear_int(p + (b >> 5), 1 << (b & 0x1f)); +} + +static __inline void +set_bit(int b, volatile u_int32_t *p) +{ + atomic_set_int(p + (b >> 5), 1 << (b & 0x1f)); +} + +static __inline int +test_bit(int b, volatile u_int32_t *p) +{ + return p[b >> 5] & (1 << (b & 0x1f)); +} + +static __inline int +find_first_zero_bit(volatile u_int32_t *p, int max) +{ + int b; + + for (b = 0; b < max; b += 32) { + if (p[b >> 5]) { + for (;;) { + if (p[b >> 5] & (1 << (b & 0x1f))) + return b; + b++; + } + } + } + return max; +} + +#define spldrm() spltty() + +#define memset(p, v, s) bzero(p, s) + +/* + * Software interrupts for DMA pipe feeding. The FreeBSD kernel apis + * are severely lacking here. + */ +#define SWI_DRI (SWI_VM+2) + +#define DRM_DEBUG_CODE 2 /* Include debugging code (if > 1, then + also include looping detection. */ +#define DRM_DMA_HISTOGRAM 1 /* Make histogram of DMA latency. */ + +#define DRM_HASH_SIZE 16 /* Size of key hash table */ +#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_FLAG_NOCTX 0x02 + +#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_MAX_CTXBITMAP (PAGE_SIZE * 8) + + /* Backward compatibility section */ +#ifndef _PAGE_PWT + /* The name of _PAGE_WT was changed to + _PAGE_PWT in Linux 2.2.6 */ +#define _PAGE_PWT _PAGE_WT +#endif + +#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock) +#define _DRM_CAS(lock,old,new,__ret) \ + do { \ + int __dummy; /* Can't mark eax as clobbered */ \ + __asm__ __volatile__( \ + "lock ; cmpxchg %4,%1\n\t" \ + "setnz %0" \ + : "=d" (__ret), \ + "=m" (__drm_dummy_lock(lock)), \ + "=a" (__dummy) \ + : "2" (old), \ + "r" (new)); \ + } while (0) + + + + /* Macros to make printk easier */ +#define DRM_ERROR(fmt, arg...) \ + printf("error: " "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg) +#define DRM_MEM_ERROR(area, fmt, arg...) \ + printf("error: " "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \ + drm_mem_stats[area].name , ##arg) +#define DRM_INFO(fmt, arg...) printf("info: " "[" DRM_NAME "] " fmt , ##arg) + +#if DRM_DEBUG_CODE +#define DRM_DEBUG(fmt, arg...) \ + do { \ + if (drm_flags&DRM_FLAG_DEBUG) \ + printf("[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ + ##arg); \ + } while (0) +#else +#define DRM_DEBUG(fmt, arg...) do { } while (0) +#endif + +#define DRM_PROC_LIMIT (PAGE_SIZE-80) + +#define DRM_SYSCTL_PRINT(fmt, arg...) \ + snprintf(buf, sizeof(buf), fmt, ##arg); \ + error = SYSCTL_OUT(req, buf, strlen(buf)); \ + if (error) return error; + +#define DRM_SYSCTL_PRINT_RET(ret, fmt, arg...) \ + snprintf(buf, sizeof(buf), fmt, ##arg); \ + error = SYSCTL_OUT(req, buf, strlen(buf)); \ + if (error) { ret; return error; } + + /* 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) + +typedef struct drm_ioctl_desc { + d_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; + +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 dma_wait; /* Processes waiting */ + pid_t pid; /* PID of holding process */ + 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 */ + + void *dev_private; + int dev_priv_size; + +#if DRM_DMA_HISTOGRAM + struct timespec time_queued; /* Queued to kernel DMA queue */ + struct timespec time_dispatched; /* Dispatched to hardware */ + struct timespec time_completed; /* Completed by hardware */ + struct timespec time_freed; /* Back on freelist */ +#endif +} drm_buf_t; + +#if DRM_DMA_HISTOGRAM +#define DRM_DMA_HISTOGRAM_SLOTS 9 +#define DRM_DMA_HISTOGRAM_INITIAL 10 +#define DRM_DMA_HISTOGRAM_NEXT(current) ((current)*10) +typedef struct drm_histogram { + atomic_t total; + + atomic_t queued_to_dispatched[DRM_DMA_HISTOGRAM_SLOTS]; + atomic_t dispatched_to_completed[DRM_DMA_HISTOGRAM_SLOTS]; + atomic_t completed_to_freed[DRM_DMA_HISTOGRAM_SLOTS]; + + atomic_t queued_to_completed[DRM_DMA_HISTOGRAM_SLOTS]; + atomic_t queued_to_freed[DRM_DMA_HISTOGRAM_SLOTS]; + + atomic_t dma[DRM_DMA_HISTOGRAM_SLOTS]; + atomic_t schedule[DRM_DMA_HISTOGRAM_SLOTS]; + atomic_t ctx[DRM_DMA_HISTOGRAM_SLOTS]; + atomic_t lacq[DRM_DMA_HISTOGRAM_SLOTS]; + atomic_t lhld[DRM_DMA_HISTOGRAM_SLOTS]; +} drm_histogram_t; +#endif + + /* 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 */ + + int 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 */ +} drm_freelist_t; + +typedef struct drm_buf_entry { + int buf_size; + int buf_count; + drm_buf_t *buflist; + int seg_count; + int page_order; + unsigned long *seglist; + + drm_freelist_t freelist; +} drm_buf_entry_t; + +typedef struct drm_hw_lock { + __volatile__ unsigned int lock; + char padding[60]; /* Pad to cache line */ +} drm_hw_lock_t; + +typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; +typedef struct drm_file { + TAILQ_ENTRY(drm_file) link; + int authenticated; + int minor; + pid_t pid; + uid_t uid; + int refs; + drm_magic_t magic; + unsigned long ioctl_count; + struct drm_device *devXX; +} drm_file_t; + + +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 */ + int read_queue; /* Processes waiting on block_read */ + atomic_t block_write; /* Queue blocked for writes */ + int write_queue; /* Processes waiting on block_write */ + atomic_t total_queued; /* Total queued statistic */ + atomic_t total_flushed;/* Total flushes statistic */ + atomic_t total_locks; /* Total locks statistics */ + drm_ctx_flags_t flags; /* Context preserving and 2D-only */ + drm_waitlist_t waitlist; /* Pending buffers */ + int flush_queue; /* Processes waiting until flush */ +} drm_queue_t; + +typedef struct drm_lock_data { + drm_hw_lock_t *hw_lock; /* Hardware lock */ + pid_t pid; /* PID of lock holder (0=kernel) */ + int lock_queue; /* Queue of blocked processes */ + unsigned long lock_time; /* Time of last lock in jiffies */ +} drm_lock_data_t; + +typedef struct drm_device_dma { + /* Performance Counters */ + atomic_t total_prio; /* Total DRM_DMA_PRIORITY */ + atomic_t total_bytes; /* Total bytes DMA'd */ + atomic_t total_dmas; /* Total DMA buffers dispatched */ + + atomic_t total_missed_dma; /* Missed drm_do_dma */ + atomic_t total_missed_lock; /* Missed lock in drm_do_dma */ + atomic_t total_missed_free; /* Missed drm_free_this_buffer */ + atomic_t total_missed_sched;/* Missed drm_dma_schedule */ + + atomic_t total_tried; /* Tried next_buffer */ + atomic_t total_hit; /* Sent next_buffer */ + atomic_t total_lost; /* Lost interrupt */ + + drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; + int buf_count; + drm_buf_t **buflist; /* Vector of pointers info bufs */ + int seg_count; + int page_count; + vm_offset_t *pagelist; + unsigned long byte_count; + enum { + _DRM_DMA_USE_AGP = 0x01 + } flags; + + /* 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*/ + int waiting; /* Processes waiting on free bufs */ +} drm_device_dma_t; + +#ifdef DRM_AGP + +typedef struct drm_agp_mem { + void *handle; + unsigned long bound; /* address */ + int pages; + struct drm_agp_mem *prev; + struct drm_agp_mem *next; +} drm_agp_mem_t; + +typedef struct drm_agp_head { + device_t agpdev; + struct agp_info info; + const char *chipset; + drm_agp_mem_t *memory; + unsigned long mode; + int enabled; + int acquired; + unsigned long base; + int agp_mtrr; +} drm_agp_head_t; + +#endif + +typedef struct drm_device { + const char *name; /* Simple driver name */ + char *unique; /* Unique identifier: e.g., busid */ + int unique_len; /* Length of unique field */ + device_t device; /* Device instance from newbus */ + dev_t devnode; /* Device number for mknod */ + char *devname; /* For /proc/interrupts */ + + int blocked; /* Blocked due to VC switch? */ + int flags; /* Flags to open(2) */ + int writable; /* Opened with FWRITE */ + struct proc_dir_entry *root; /* Root for this device's entries */ + + /* Locks */ + struct simplelock count_lock; /* For inuse, open_count, buf_use */ + struct lock dev_lock; /* For others */ + + /* 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 */ + + /* Performance Counters */ + atomic_t total_open; + atomic_t total_close; + atomic_t total_ioctl; + atomic_t total_irq; /* Total interruptions */ + atomic_t total_ctx; /* Total context switches */ + + atomic_t total_locks; + atomic_t total_unlocks; + atomic_t total_contends; + atomic_t total_sleeps; + + /* Authentication */ + drm_file_list_t files; + drm_magic_head_t magiclist[DRM_HASH_SIZE]; + + /* Memory management */ + drm_map_t **maplist; /* Vector of pointers to regions */ + int map_count; /* Number of mappable regions */ + + drm_vma_entry_t *vmalist; /* List of vmas (for debugging) */ + drm_lock_data_t lock; /* Information on hardware lock */ + + /* 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 */ + + /* Context support */ + struct resource *irq; /* Interrupt used by board */ + void *irqh; /* Handle from bus_setup_intr */ + __volatile__ int context_flag; /* Context swapping flag */ + __volatile__ int interrupt_flag;/* Interruption handler flag */ + __volatile__ int dma_flag; /* DMA dispatch flag */ + struct callout timer; /* Timer for delaying ctx switch */ + int context_wait; /* Processes waiting on ctx switch */ + int last_checked; /* Last context checked for DMA */ + int last_context; /* Last current context */ + int last_switch; /* Time at last context switch */ + struct task task; + struct timespec ctx_start; + struct timespec lck_start; +#if DRM_DMA_HISTOGRAM + drm_histogram_t histo; +#endif + + /* Callback to X server for context switch + and for heavy-handed reset. */ + char buf[DRM_BSZ]; /* Output buffer */ + char *buf_rp; /* Read pointer */ + char *buf_wp; /* Write pointer */ + char *buf_end; /* End pointer */ + struct sigio *buf_sigio; /* Processes waiting for SIGIO */ + struct selinfo buf_sel; /* Workspace for select/poll */ + int buf_readers; /* Processes waiting to read */ + int buf_writers; /* Processes waiting to ctx switch */ + int buf_selecting; /* True if poll sleeper */ + + /* Sysctl support */ + struct drm_sysctl_info *sysctl; + +#ifdef DRM_AGP + drm_agp_head_t *agp; +#endif + u_int32_t *ctx_bitmap; + void *dev_private; +} drm_device_t; + + + /* Internal function definitions */ + + /* Misc. support (init.c) */ +extern int drm_flags; +extern void drm_parse_options(char *s); + + + /* Device support (fops.c) */ +extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev, struct proc *p); +extern int drm_open_helper(dev_t kdev, int flags, int fmt, struct proc *p, + drm_device_t *dev); +extern d_close_t drm_close; +extern d_read_t drm_read; +extern d_write_t drm_write; +extern d_poll_t drm_poll; +extern int drm_fsetown(dev_t kdev, u_long cmd, caddr_t data, + int flags, struct proc *p); +extern int drm_fgetown(dev_t kdev, u_long cmd, caddr_t data, + int flags, struct proc *p); +extern int drm_write_string(drm_device_t *dev, const char *s); + +#if 0 + /* Mapping support (vm.c) */ +extern unsigned long drm_vm_nopage(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern void drm_vm_open(struct vm_area_struct *vma); +extern void drm_vm_close(struct vm_area_struct *vma); +extern int drm_mmap_dma(struct file *filp, + struct vm_area_struct *vma); +#endif +extern d_mmap_t drm_mmap; + + /* Proc support (proc.c) */ +extern int drm_sysctl_init(drm_device_t *dev); +extern int drm_sysctl_cleanup(drm_device_t *dev); + + /* Memory management support (memory.c) */ +extern void drm_mem_init(void); +extern int drm_mem_info SYSCTL_HANDLER_ARGS; +extern void *drm_alloc(size_t size, int area); +extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, + int area); +extern char *drm_strdup(const char *s, int area); +extern void drm_strfree(char *s, int area); +extern void drm_free(void *pt, 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); +extern void drm_ioremapfree(void *pt, unsigned long size); + +#ifdef DRM_AGP +extern void *drm_alloc_agp(int pages, u_int32_t type); +extern int drm_free_agp(void *handle, int pages); +extern int drm_bind_agp(void *handle, unsigned int start); +extern int drm_unbind_agp(void *handle); +#endif + + /* Buffer management support (bufs.c) */ +extern int drm_order(unsigned long size); +extern d_ioctl_t drm_addmap; +extern d_ioctl_t drm_addbufs; +extern d_ioctl_t drm_infobufs; +extern d_ioctl_t drm_markbufs; +extern d_ioctl_t drm_freebufs; +extern d_ioctl_t drm_mapbufs; + + + /* Buffer list management support (lists.c) */ +extern int drm_waitlist_create(drm_waitlist_t *bl, int count); +extern int drm_waitlist_destroy(drm_waitlist_t *bl); +extern int drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf); +extern drm_buf_t *drm_waitlist_get(drm_waitlist_t *bl); + +extern int drm_freelist_create(drm_freelist_t *bl, int count); +extern int drm_freelist_destroy(drm_freelist_t *bl); +extern int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, + drm_buf_t *buf); +extern drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block); + + /* DMA support (gen_dma.c) */ +extern void 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_reclaim_buffers(drm_device_t *dev, pid_t pid); +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 void drm_wakeup(drm_device_t *dev, drm_buf_t *buf); +extern void drm_clear_next_buffer(drm_device_t *dev); +extern int drm_select_queue(drm_device_t *dev, + void (*wrapper)(void *)); +extern int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *dma); +extern int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma); +#if DRM_DMA_HISTOGRAM +extern int drm_histogram_slot(struct timespec *ts); +extern void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf); +#endif + + + /* Misc. IOCTL support (ioctl.c) */ +extern d_ioctl_t drm_irq_busid; +extern d_ioctl_t drm_getunique; +extern d_ioctl_t drm_setunique; + + + /* Context IOCTL support (context.c) */ +extern d_ioctl_t drm_resctx; +extern d_ioctl_t drm_addctx; +extern d_ioctl_t drm_modctx; +extern d_ioctl_t drm_getctx; +extern d_ioctl_t drm_switchctx; +extern d_ioctl_t drm_newctx; +extern d_ioctl_t drm_rmctx; + + + /* Drawable IOCTL support (drawable.c) */ +extern d_ioctl_t drm_adddraw; +extern d_ioctl_t drm_rmdraw; + + + /* Authentication IOCTL support (auth.c) */ +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 d_ioctl_t drm_getmagic; +extern d_ioctl_t drm_authmagic; + + + /* Locking IOCTL support (lock.c) */ +extern d_ioctl_t drm_block; +extern d_ioctl_t drm_unblock; +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 d_ioctl_t drm_finish; +extern int drm_flush_unblock(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int drm_flush_block_and_flush(drm_device_t *dev, int context, + drm_lock_flags_t flags); + + /* Context Bitmap support (ctxbitmap.c) */ +extern int drm_ctxbitmap_init(drm_device_t *dev); +extern void drm_ctxbitmap_cleanup(drm_device_t *dev); +extern int drm_ctxbitmap_next(drm_device_t *dev); +extern void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); + +#ifdef DRM_AGP + /* AGP/GART support (agpsupport.c) */ +extern drm_agp_head_t *drm_agp_init(void); +extern d_ioctl_t drm_agp_acquire; +extern d_ioctl_t drm_agp_release; +extern d_ioctl_t drm_agp_enable; +extern d_ioctl_t drm_agp_info; +extern d_ioctl_t drm_agp_alloc; +extern d_ioctl_t drm_agp_free; +extern d_ioctl_t drm_agp_unbind; +extern d_ioctl_t drm_agp_bind; +#endif +#endif +#endif |