patch-2.4.8 linux/drivers/char/drm/tdfx_drv.c
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- Lines: 713
- Date:
Wed Aug 8 09:42:15 2001
- Orig file:
v2.4.7/linux/drivers/char/drm/tdfx_drv.c
- Orig date:
Thu Nov 16 14:05:49 2000
diff -u --recursive --new-file v2.4.7/linux/drivers/char/drm/tdfx_drv.c linux/drivers/char/drm/tdfx_drv.c
@@ -27,670 +27,68 @@
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Daryll Strauss <daryll@valinux.com>
- *
+ * Gareth Hughes <gareth@valinux.com>
*/
#include <linux/config.h>
+#include "tdfx.h"
#include "drmP.h"
-#include "tdfx_drv.h"
-#define TDFX_NAME "tdfx"
-#define TDFX_DESC "3dfx Banshee/Voodoo3+"
-#define TDFX_DATE "20000928"
-#define TDFX_MAJOR 1
-#define TDFX_MINOR 0
-#define TDFX_PATCHLEVEL 0
-
-static drm_device_t tdfx_device;
-drm_ctx_t tdfx_res_ctx;
-
-static struct file_operations tdfx_fops = {
-#if LINUX_VERSION_CODE >= 0x020400
- /* This started being used during 2.4.0-test */
- owner: THIS_MODULE,
-#endif
- open: tdfx_open,
- flush: drm_flush,
- release: tdfx_release,
- ioctl: tdfx_ioctl,
- mmap: drm_mmap,
- read: drm_read,
- fasync: drm_fasync,
- poll: drm_poll,
-};
+#define DRIVER_AUTHOR "VA Linux Systems Inc."
-static struct miscdevice tdfx_misc = {
- minor: MISC_DYNAMIC_MINOR,
- name: TDFX_NAME,
- fops: &tdfx_fops,
-};
+#define DRIVER_NAME "tdfx"
+#define DRIVER_DESC "3dfx Banshee/Voodoo3+"
+#define DRIVER_DATE "20010216"
-static drm_ioctl_desc_t tdfx_ioctls[] = {
- [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { tdfx_version, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { tdfx_addctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { tdfx_rmctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { tdfx_modctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { tdfx_getctx, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { tdfx_switchctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { tdfx_newctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { tdfx_resctx, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { tdfx_lock, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { tdfx_unlock, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 },
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire, 1, 1},
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release, 1, 1},
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable, 1, 1},
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = {drm_agp_info, 1, 1},
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = {drm_agp_alloc, 1, 1},
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = {drm_agp_free, 1, 1},
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = {drm_agp_unbind, 1, 1},
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_bind, 1, 1},
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 0
+#define DRIVER_PATCHLEVEL 0
+
+#ifndef PCI_DEVICE_ID_3DFX_VOODOO5
+#define PCI_DEVICE_ID_3DFX_VOODOO5 0x0009
#endif
+
+static drm_pci_list_t DRM(idlist)[] = {
+ { PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_BANSHEE },
+ { PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_VOODOO3 },
+ { PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_VOODOO5 },
+ { 0, 0 }
};
-#define TDFX_IOCTL_COUNT DRM_ARRAY_SIZE(tdfx_ioctls)
-#ifdef MODULE
-static char *tdfx = NULL;
-#endif
+#define DRIVER_CARD_LIST DRM(idlist)
-MODULE_AUTHOR("VA Linux Systems, Inc.");
-MODULE_DESCRIPTION("tdfx");
-MODULE_PARM(tdfx, "s");
+
+#include "drm_auth.h"
+#include "drm_bufs.h"
+#include "drm_context.h"
+#include "drm_dma.h"
+#include "drm_drawable.h"
+#include "drm_drv.h"
#ifndef MODULE
-/* tdfx_options is called by the kernel to parse command-line options
+/* DRM(options) is called by the kernel to parse command-line options
* passed via the boot-loader (e.g., LILO). It calls the insmod option
* routine, drm_parse_drm.
*/
-static int __init tdfx_options(char *str)
+/* JH- We have to hand expand the string ourselves because of the cpp. If
+ * anyone can think of a way that we can fit into the __setup macro without
+ * changing it, then please send the solution my way.
+ */
+static int __init tdfx_options( char *str )
{
- drm_parse_options(str);
+ DRM(parse_options)( str );
return 1;
}
-__setup("tdfx=", tdfx_options);
-#endif
-
-static int tdfx_setup(drm_device_t *dev)
-{
- int i;
-
- atomic_set(&dev->ioctl_count, 0);
- atomic_set(&dev->vma_count, 0);
- dev->buf_use = 0;
- atomic_set(&dev->buf_alloc, 0);
-
- atomic_set(&dev->total_open, 0);
- atomic_set(&dev->total_close, 0);
- atomic_set(&dev->total_ioctl, 0);
- atomic_set(&dev->total_irq, 0);
- atomic_set(&dev->total_ctx, 0);
- atomic_set(&dev->total_locks, 0);
- atomic_set(&dev->total_unlocks, 0);
- atomic_set(&dev->total_contends, 0);
- atomic_set(&dev->total_sleeps, 0);
-
- for (i = 0; i < DRM_HASH_SIZE; i++) {
- dev->magiclist[i].head = NULL;
- dev->magiclist[i].tail = NULL;
- }
- dev->maplist = NULL;
- dev->map_count = 0;
- dev->vmalist = NULL;
- dev->lock.hw_lock = NULL;
- init_waitqueue_head(&dev->lock.lock_queue);
- dev->queue_count = 0;
- dev->queue_reserved = 0;
- dev->queue_slots = 0;
- dev->queuelist = NULL;
- dev->irq = 0;
- dev->context_flag = 0;
- dev->interrupt_flag = 0;
- dev->dma = 0;
- dev->dma_flag = 0;
- dev->last_context = 0;
- dev->last_switch = 0;
- dev->last_checked = 0;
- init_timer(&dev->timer);
- init_waitqueue_head(&dev->context_wait);
-
- dev->ctx_start = 0;
- dev->lck_start = 0;
-
- dev->buf_rp = dev->buf;
- dev->buf_wp = dev->buf;
- dev->buf_end = dev->buf + DRM_BSZ;
- dev->buf_async = NULL;
- init_waitqueue_head(&dev->buf_readers);
- init_waitqueue_head(&dev->buf_writers);
-
- tdfx_res_ctx.handle=-1;
-
- DRM_DEBUG("\n");
-
- /* The kernel's context could be created here, but is now created
- in drm_dma_enqueue. This is more resource-efficient for
- hardware that does not do DMA, but may mean that
- drm_select_queue fails between the time the interrupt is
- initialized and the time the queues are initialized. */
-
- return 0;
-}
-
-
-static int tdfx_takedown(drm_device_t *dev)
-{
- int i;
- drm_magic_entry_t *pt, *next;
- drm_map_t *map;
- drm_vma_entry_t *vma, *vma_next;
-
- DRM_DEBUG("\n");
-
- down(&dev->struct_sem);
- del_timer(&dev->timer);
-
- if (dev->devname) {
- drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER);
- dev->devname = NULL;
- }
-
- if (dev->unique) {
- drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER);
- dev->unique = NULL;
- dev->unique_len = 0;
- }
- /* Clear pid list */
- for (i = 0; i < DRM_HASH_SIZE; i++) {
- for (pt = dev->magiclist[i].head; pt; pt = next) {
- next = pt->next;
- drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
- }
- dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
- }
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
- /* Clear AGP information */
- if (dev->agp) {
- drm_agp_mem_t *temp;
- drm_agp_mem_t *temp_next;
-
- temp = dev->agp->memory;
- while(temp != NULL) {
- temp_next = temp->next;
- drm_free_agp(temp->memory, temp->pages);
- drm_free(temp, sizeof(*temp), DRM_MEM_AGPLISTS);
- temp = temp_next;
- }
- if (dev->agp->acquired) _drm_agp_release();
- }
-#endif
- /* Clear vma list (only built for debugging) */
- if (dev->vmalist) {
- for (vma = dev->vmalist; vma; vma = vma_next) {
- vma_next = vma->next;
- drm_free(vma, sizeof(*vma), DRM_MEM_VMAS);
- }
- dev->vmalist = NULL;
- }
-
- /* Clear map area and mtrr information */
- if (dev->maplist) {
- for (i = 0; i < dev->map_count; i++) {
- map = dev->maplist[i];
- switch (map->type) {
- case _DRM_REGISTERS:
- case _DRM_FRAME_BUFFER:
-#ifdef CONFIG_MTRR
- if (map->mtrr >= 0) {
- int retcode;
- retcode = mtrr_del(map->mtrr,
- map->offset,
- map->size);
- DRM_DEBUG("mtrr_del = %d\n", retcode);
- }
-#endif
- drm_ioremapfree(map->handle, map->size);
- break;
- case _DRM_SHM:
- drm_free_pages((unsigned long)map->handle,
- drm_order(map->size)
- - PAGE_SHIFT,
- DRM_MEM_SAREA);
- break;
- case _DRM_AGP:
- /* Do nothing here, because this is all
- handled in the AGP/GART driver. */
- break;
- }
- drm_free(map, sizeof(*map), DRM_MEM_MAPS);
- }
- drm_free(dev->maplist,
- dev->map_count * sizeof(*dev->maplist),
- DRM_MEM_MAPS);
- dev->maplist = NULL;
- dev->map_count = 0;
- }
-
- if (dev->lock.hw_lock) {
- dev->lock.hw_lock = NULL; /* SHM removed */
- dev->lock.pid = 0;
- wake_up_interruptible(&dev->lock.lock_queue);
- }
- up(&dev->struct_sem);
-
- return 0;
-}
-
-/* tdfx_init is called via init_module at module load time, or via
- * linux/init/main.c (this is not currently supported). */
-
-static int __init tdfx_init(void)
-{
- int retcode;
- drm_device_t *dev = &tdfx_device;
-
- DRM_DEBUG("\n");
-
- memset((void *)dev, 0, sizeof(*dev));
- dev->count_lock = SPIN_LOCK_UNLOCKED;
- sema_init(&dev->struct_sem, 1);
-
-#ifdef MODULE
- drm_parse_options(tdfx);
+__setup( DRIVER_NAME "=", tdfx_options );
#endif
- if ((retcode = misc_register(&tdfx_misc))) {
- DRM_ERROR("Cannot register \"%s\"\n", TDFX_NAME);
- return retcode;
- }
- dev->device = MKDEV(MISC_MAJOR, tdfx_misc.minor);
- dev->name = TDFX_NAME;
-
- drm_mem_init();
- drm_proc_init(dev);
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
- dev->agp = drm_agp_init();
-#endif
- if((retcode = drm_ctxbitmap_init(dev))) {
- DRM_ERROR("Cannot allocate memory for context bitmap.\n");
- drm_proc_cleanup();
- misc_deregister(&tdfx_misc);
- tdfx_takedown(dev);
- return retcode;
- }
-
- DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
- TDFX_NAME,
- TDFX_MAJOR,
- TDFX_MINOR,
- TDFX_PATCHLEVEL,
- TDFX_DATE,
- tdfx_misc.minor);
-
- return 0;
-}
-
-/* tdfx_cleanup is called via cleanup_module at module unload time. */
-
-static void __exit tdfx_cleanup(void)
-{
- drm_device_t *dev = &tdfx_device;
-
- DRM_DEBUG("\n");
-
- drm_proc_cleanup();
- if (misc_deregister(&tdfx_misc)) {
- DRM_ERROR("Cannot unload module\n");
- } else {
- DRM_INFO("Module unloaded\n");
- }
- drm_ctxbitmap_cleanup(dev);
- tdfx_takedown(dev);
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
- if (dev->agp) {
- drm_agp_uninit();
- drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
- dev->agp = NULL;
- }
-#endif
-}
-
-module_init(tdfx_init);
-module_exit(tdfx_cleanup);
-
-
-int tdfx_version(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- drm_version_t version;
- int len;
-
- if (copy_from_user(&version,
- (drm_version_t *)arg,
- sizeof(version)))
- return -EFAULT;
-
-#define DRM_COPY(name,value) \
- len = strlen(value); \
- if (len > name##_len) len = name##_len; \
- name##_len = strlen(value); \
- if (len && name) { \
- if (copy_to_user(name, value, len)) \
- return -EFAULT; \
- }
-
- version.version_major = TDFX_MAJOR;
- version.version_minor = TDFX_MINOR;
- version.version_patchlevel = TDFX_PATCHLEVEL;
-
- DRM_COPY(version.name, TDFX_NAME);
- DRM_COPY(version.date, TDFX_DATE);
- DRM_COPY(version.desc, TDFX_DESC);
-
- if (copy_to_user((drm_version_t *)arg,
- &version,
- sizeof(version)))
- return -EFAULT;
- return 0;
-}
-
-int tdfx_open(struct inode *inode, struct file *filp)
-{
- drm_device_t *dev = &tdfx_device;
- int retcode = 0;
-
- DRM_DEBUG("open_count = %d\n", dev->open_count);
- if (!(retcode = drm_open_helper(inode, filp, dev))) {
-#if LINUX_VERSION_CODE < 0x020333
- MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
- atomic_inc(&dev->total_open);
- spin_lock(&dev->count_lock);
- if (!dev->open_count++) {
- spin_unlock(&dev->count_lock);
- return tdfx_setup(dev);
- }
- spin_unlock(&dev->count_lock);
- }
- return retcode;
-}
-
-int tdfx_release(struct inode *inode, struct file *filp)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev;
- int retcode = 0;
-
- lock_kernel();
- dev = priv->dev;
-
- DRM_DEBUG("open_count = %d\n", dev->open_count);
- if (!(retcode = drm_release(inode, filp))) {
-#if LINUX_VERSION_CODE < 0x020333
- MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
- atomic_inc(&dev->total_close);
- spin_lock(&dev->count_lock);
- if (!--dev->open_count) {
- if (atomic_read(&dev->ioctl_count) || dev->blocked) {
- DRM_ERROR("Device busy: %d %d\n",
- atomic_read(&dev->ioctl_count),
- dev->blocked);
- spin_unlock(&dev->count_lock);
- unlock_kernel();
- return -EBUSY;
- }
- spin_unlock(&dev->count_lock);
- unlock_kernel();
- return tdfx_takedown(dev);
- }
- spin_unlock(&dev->count_lock);
- }
-
- unlock_kernel();
- return retcode;
-}
-
-/* tdfx_ioctl is called whenever a process performs an ioctl on /dev/drm. */
-
-int tdfx_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- int nr = DRM_IOCTL_NR(cmd);
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- int retcode = 0;
- drm_ioctl_desc_t *ioctl;
- drm_ioctl_t *func;
-
- atomic_inc(&dev->ioctl_count);
- atomic_inc(&dev->total_ioctl);
- ++priv->ioctl_count;
-
- DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n",
- current->pid, cmd, nr, dev->device, priv->authenticated);
-
- if (nr >= TDFX_IOCTL_COUNT) {
- retcode = -EINVAL;
- } else {
- ioctl = &tdfx_ioctls[nr];
- func = ioctl->func;
-
- if (!func) {
- DRM_DEBUG("no function\n");
- retcode = -EINVAL;
- } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN))
- || (ioctl->auth_needed && !priv->authenticated)) {
- retcode = -EACCES;
- } else {
- retcode = (func)(inode, filp, cmd, arg);
- }
- }
-
- atomic_dec(&dev->ioctl_count);
- return retcode;
-}
-
-int tdfx_lock(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- DECLARE_WAITQUEUE(entry, current);
- int ret = 0;
- drm_lock_t lock;
-#if DRM_DMA_HISTOGRAM
- cycles_t start;
-
- dev->lck_start = start = get_cycles();
-#endif
-
- if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock)))
- return -EFAULT;
-
- if (lock.context == DRM_KERNEL_CONTEXT) {
- DRM_ERROR("Process %d using kernel context %d\n",
- current->pid, lock.context);
- return -EINVAL;
- }
-
- DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
- lock.context, current->pid, dev->lock.hw_lock->lock,
- lock.flags);
-
-#if 0
- /* dev->queue_count == 0 right now for
- tdfx. FIXME? */
- if (lock.context < 0 || lock.context >= dev->queue_count)
- return -EINVAL;
-#endif
-
- if (!ret) {
-#if 0
- if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)
- != lock.context) {
- long j = jiffies - dev->lock.lock_time;
-
- if (lock.context == tdfx_res_ctx.handle &&
- j >= 0 && j < DRM_LOCK_SLICE) {
- /* Can't take lock if we just had it and
- there is contention. */
- DRM_DEBUG("%d (pid %d) delayed j=%d dev=%d jiffies=%d\n",
- lock.context, current->pid, j,
- dev->lock.lock_time, jiffies);
- current->state = TASK_INTERRUPTIBLE;
- current->policy |= SCHED_YIELD;
- schedule_timeout(DRM_LOCK_SLICE-j);
- DRM_DEBUG("jiffies=%d\n", jiffies);
- }
- }
-#endif
- add_wait_queue(&dev->lock.lock_queue, &entry);
- for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- if (!dev->lock.hw_lock) {
- /* Device has been unregistered */
- ret = -EINTR;
- break;
- }
- if (drm_lock_take(&dev->lock.hw_lock->lock,
- lock.context)) {
- dev->lock.pid = current->pid;
- dev->lock.lock_time = jiffies;
- atomic_inc(&dev->total_locks);
- break; /* Got lock */
- }
-
- /* Contention */
- atomic_inc(&dev->total_sleeps);
-#if 1
- current->policy |= SCHED_YIELD;
-#endif
- schedule();
- if (signal_pending(current)) {
- ret = -ERESTARTSYS;
- break;
- }
- }
- current->state = TASK_RUNNING;
- remove_wait_queue(&dev->lock.lock_queue, &entry);
- }
-
-#if 0
- if (!ret && dev->last_context != lock.context &&
- lock.context != tdfx_res_ctx.handle &&
- dev->last_context != tdfx_res_ctx.handle) {
- add_wait_queue(&dev->context_wait, &entry);
- current->state = TASK_INTERRUPTIBLE;
- /* PRE: dev->last_context != lock.context */
- tdfx_context_switch(dev, dev->last_context, lock.context);
- /* POST: we will wait for the context
- switch and will dispatch on a later call
- when dev->last_context == lock.context
- NOTE WE HOLD THE LOCK THROUGHOUT THIS
- TIME! */
- current->policy |= SCHED_YIELD;
- schedule();
- current->state = TASK_RUNNING;
- remove_wait_queue(&dev->context_wait, &entry);
- if (signal_pending(current)) {
- ret = -EINTR;
- } else if (dev->last_context != lock.context) {
- DRM_ERROR("Context mismatch: %d %d\n",
- dev->last_context, lock.context);
- }
- }
-#endif
-
- if (!ret) {
- sigemptyset(&dev->sigmask);
- sigaddset(&dev->sigmask, SIGSTOP);
- sigaddset(&dev->sigmask, SIGTSTP);
- sigaddset(&dev->sigmask, SIGTTIN);
- sigaddset(&dev->sigmask, SIGTTOU);
- dev->sigdata.context = lock.context;
- dev->sigdata.lock = dev->lock.hw_lock;
- block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
-
- if (lock.flags & _DRM_LOCK_READY) {
- /* Wait for space in DMA/FIFO */
- }
- if (lock.flags & _DRM_LOCK_QUIESCENT) {
- /* Make hardware quiescent */
-#if 0
- tdfx_quiescent(dev);
-#endif
- }
- }
-
-#if LINUX_VERSION_CODE < 0x020400
- if (lock.context != tdfx_res_ctx.handle) {
- current->counter = 5;
- current->priority = DEF_PRIORITY/4;
- }
-#endif
- DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
-
-#if DRM_DMA_HISTOGRAM
- atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]);
-#endif
-
- return ret;
-}
-
-
-int tdfx_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_lock_t lock;
-
- if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock)))
- return -EFAULT;
-
- if (lock.context == DRM_KERNEL_CONTEXT) {
- DRM_ERROR("Process %d using kernel context %d\n",
- current->pid, lock.context);
- return -EINVAL;
- }
-
- DRM_DEBUG("%d frees lock (%d holds)\n",
- lock.context,
- _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
- atomic_inc(&dev->total_unlocks);
- if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock))
- atomic_inc(&dev->total_contends);
- drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT);
- /* FIXME: Try to send data to card here */
- if (!dev->context_flag) {
- if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT)) {
- DRM_ERROR("\n");
- }
- }
-
-#if LINUX_VERSION_CODE < 0x020400
- if (lock.context != tdfx_res_ctx.handle) {
- current->counter = 5;
- current->priority = DEF_PRIORITY;
- }
-#endif
-
- unblock_all_signals();
- return 0;
-}
+#include "drm_fops.h"
+#include "drm_init.h"
+#include "drm_ioctl.h"
+#include "drm_lock.h"
+#include "drm_memory.h"
+#include "drm_proc.h"
+#include "drm_vm.h"
+#include "drm_stub.h"
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)