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-rw-r--r--bsd-core/Makefile5
-rw-r--r--bsd-core/drmP.h708
-rw-r--r--bsd-core/tdfx/Makefile15
3 files changed, 728 insertions, 0 deletions
diff --git a/bsd-core/Makefile b/bsd-core/Makefile
new file mode 100644
index 00000000..ff26c762
--- /dev/null
+++ b/bsd-core/Makefile
@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+SUBDIR = drm tdfx gamma
+
+.include <bsd.subdir.mk>
diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h
new file mode 100644
index 00000000..863836a6
--- /dev/null
+++ b/bsd-core/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
diff --git a/bsd-core/tdfx/Makefile b/bsd-core/tdfx/Makefile
new file mode 100644
index 00000000..e0ff8ffa
--- /dev/null
+++ b/bsd-core/tdfx/Makefile
@@ -0,0 +1,15 @@
+# $FreeBSD$
+
+KMOD = tdfx
+SRCS = tdfx_drv.c tdfx_context.c
+SRCS += device_if.h bus_if.h pci_if.h
+CFLAGS += ${DEBUG_FLAGS} -I..
+KERN = /usr/src/sys
+
+@:
+ ln -sf /sys @
+
+machine:
+ ln -sf /sys/i386/include machine
+
+.include "/usr/src/sys/conf/kmod.mk"