diff options
| -rw-r--r-- | linux-core/sis_drv.c | 698 | ||||
| -rw-r--r-- | linux/Makefile.linux | 7 | ||||
| -rw-r--r-- | linux/drm.h | 5 | ||||
| -rw-r--r-- | linux/gamma_dma.c | 4 | ||||
| -rw-r--r-- | linux/sis_context.c | 221 | ||||
| -rw-r--r-- | linux/sis_drv.c | 698 | ||||
| -rw-r--r-- | linux/sis_drv.h | 53 | ||||
| -rw-r--r-- | linux/sis_ds.c | 406 | ||||
| -rw-r--r-- | linux/sis_ds.h | 163 | ||||
| -rw-r--r-- | linux/sis_mm.c | 306 | ||||
| -rw-r--r-- | shared-core/drm.h | 5 | ||||
| -rw-r--r-- | shared/drm.h | 5 |
12 files changed, 81 insertions, 2490 deletions
diff --git a/linux-core/sis_drv.c b/linux-core/sis_drv.c index 92ec32dd..d04d3739 100644 --- a/linux-core/sis_drv.c +++ b/linux-core/sis_drv.c @@ -26,669 +26,43 @@ */ #include <linux/config.h> +#include "sis.h" #include "drmP.h" #include "sis_drm.h" #include "sis_drv.h" -#define SIS_NAME "sis" -#define SIS_DESC "SIS 300/630/540" -#define SIS_DATE "20000831" -#define SIS_MAJOR 1 -#define SIS_MINOR 0 -#define SIS_PATCHLEVEL 0 - -static drm_device_t sis_device; -drm_ctx_t sis_res_ctx; - -static struct file_operations sis_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: sis_open, - flush: drm_flush, - release: sis_release, - ioctl: sis_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice sis_misc = { - minor: MISC_DYNAMIC_MINOR, - name: SIS_NAME, - fops: &sis_fops, -}; - -static drm_ioctl_desc_t sis_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { sis_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)] = { sis_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { sis_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { sis_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { sis_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { sis_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { sis_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { sis_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)] = { sis_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { sis_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_bind, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_unbind, 1, 1}, -#endif - /* FB Memory Management */ - [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)] = { sis_fb_alloc, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)] = { sis_fb_free, 1, 1 }, - - /* AGP Memory Management */ - [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)] = { sis_agp_init, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)] = { sis_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)] = { sis_agp_free, 1, 1 }, - -#if defined(SIS_STEREO) - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { sis_control, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_FLIP)] = { sis_flip, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_FLIP_INIT)] = { sis_flip_init, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_FLIP_FINAL)] = { sis_flip_final, 1, 1 }, -#endif -}; -#define SIS_IOCTL_COUNT DRM_ARRAY_SIZE(sis_ioctls) - -#ifdef MODULE -static char *sis = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("sis"); -MODULE_PARM(sis, "s"); - -#ifndef MODULE -/* sis_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 sis_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("sis=", sis_options); -#endif - -static int sis_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); - - sis_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 sis_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"); - -#if defined(SIS_STEREO) - if (dev->irq) sis_irq_uninstall(dev); -#endif - - 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; -} - -/* sis_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int sis_init(void) -{ - int retcode; - drm_device_t *dev = &sis_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(sis); -#endif - - if ((retcode = misc_register(&sis_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", SIS_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, sis_misc.minor); - dev->name = SIS_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(&sis_misc); - sis_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - SIS_NAME, - SIS_MAJOR, - SIS_MINOR, - SIS_PATCHLEVEL, - SIS_DATE, - sis_misc.minor); - - return 0; -} - -/* sis_cleanup is called via cleanup_module at module unload time. */ - -static void sis_cleanup(void) -{ - drm_device_t *dev = &sis_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&sis_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - sis_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(sis_init); -module_exit(sis_cleanup); - - -int sis_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 = SIS_MAJOR; - version.version_minor = SIS_MINOR; - version.version_patchlevel = SIS_PATCHLEVEL; - - DRM_COPY(version.name, SIS_NAME); - DRM_COPY(version.date, SIS_DATE); - DRM_COPY(version.desc, SIS_DESC); - - if (copy_to_user((drm_version_t *)arg, &version, sizeof(version))) - return -EFAULT; - return 0; -} - -int sis_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &sis_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 sis_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int sis_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 sis_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - - unlock_kernel(); - return retcode; -} - -/* sis_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int sis_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 >= SIS_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &sis_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 sis_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 - sis. 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 == sis_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 != sis_res_ctx.handle && - dev->last_context != sis_res_ctx.handle) { - add_wait_queue(&dev->context_wait, &entry); - current->state = TASK_INTERRUPTIBLE; - /* PRE: dev->last_context != lock.context */ - sis_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 - sis_quiescent(dev); -#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 sis_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"); - } - } - - unblock_all_signals(); - return 0; -} +#define DRIVER_AUTHOR "SIS" +#define DRIVER_NAME "sis" +#define DRIVER_DESC "SIS 300/630/540" +#define DRIVER_DATE "20010503" +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS +#if 0 /* these don't appear to be defined */ + /* SIS Stereo */ + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { sis_control, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP)] = { sis_flip, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP_INIT)] = { sis_flip_init, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP_FINAL)] = { sis_flip_final, 1, 1 } +#endif + +#define __HAVE_COUNTERS 5 + +#include "drm_auth.h" +#include "drm_agpsupport.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lists.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux/Makefile.linux b/linux/Makefile.linux index 95044e6f..8df1f747 100644 --- a/linux/Makefile.linux +++ b/linux/Makefile.linux @@ -175,8 +175,8 @@ ifeq ($(SIS),1) # file to see if we can, at least, compile the driver. MODS += sis.o -SISOBJS= sis_drv.o sis_context.o sis_ds.o sis_mm.o -SISHEADERS= sis_drv.h sis_ds.h sis_drm.h $(DRMHEADERS) +SISOBJS= sis_drv.o +SISHEADERS= sis_drv.h sis_drm.h $(DRMHEADERS) MODCFLAGS += -DCONFIG_DRM_SIS endif @@ -216,6 +216,9 @@ endif dristat: dristat.c $(CC) $(PRGCFLAGS) $< -o $@ +DRIsetup: DRIsetup.c + $(CC) $(PRGCFLAGS) $< -o $@ -L/usr/X11R6/lib -lGL -lm ../../../../parser/libxf86config.a ../libdrm.a + gamma_drv.o: gamma_drv.c $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ gamma.o: $(GAMMAOBJS) diff --git a/linux/drm.h b/linux/drm.h index 3def97f7..b011e336 100644 --- a/linux/drm.h +++ b/linux/drm.h @@ -466,11 +466,6 @@ typedef struct drm_scatter_gather { #ifdef CONFIG_DRM_SIS /* SiS specific ioctls */ -#define SIS_IOCTL_FB_ALLOC DRM_IOWR(0x44, drm_sis_mem_t) -#define SIS_IOCTL_FB_FREE DRM_IOW( 0x45, drm_sis_mem_t) -#define SIS_IOCTL_AGP_INIT DRM_IOWR(0x53, drm_sis_agp_t) -#define SIS_IOCTL_AGP_ALLOC DRM_IOWR(0x54, drm_sis_mem_t) -#define SIS_IOCTL_AGP_FREE DRM_IOW( 0x55, drm_sis_mem_t) #define SIS_IOCTL_FLIP DRM_IOW( 0x48, drm_sis_flip_t) #define SIS_IOCTL_FLIP_INIT DRM_IO( 0x49) #define SIS_IOCTL_FLIP_FINAL DRM_IO( 0x50) diff --git a/linux/gamma_dma.c b/linux/gamma_dma.c index d3a9414d..7510e2b5 100644 --- a/linux/gamma_dma.c +++ b/linux/gamma_dma.c @@ -547,10 +547,6 @@ int gamma_dma(struct inode *inode, struct file *filp, unsigned int cmd, int retcode = 0; drm_dma_t d; -#if 0 - LOCK_TEST_WITH_RETURN( dev ); -#endif - if (copy_from_user(&d, (drm_dma_t *)arg, sizeof(d))) return -EFAULT; diff --git a/linux/sis_context.c b/linux/sis_context.c deleted file mode 100644 index accd789a..00000000 --- a/linux/sis_context.c +++ /dev/null @@ -1,221 +0,0 @@ -/* sis_context.c -- IOCTLs for sis contexts -*- linux-c -*- - * Created: Thu Oct 7 10:50:22 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * 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. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Daryll Strauss <daryll@valinux.com> - * Sung-Ching Lin <sclin@sis.com.tw> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "sis_drv.h" - -extern drm_ctx_t sis_res_ctx; - -static int sis_alloc_queue(drm_device_t *dev) -{ - return drm_ctxbitmap_next(dev); -} - -int sis_context_switch(drm_device_t *dev, int old, int new) -{ - char buf[64]; - - atomic_inc(&dev->total_ctx); - - if (test_and_set_bit(0, &dev->context_flag)) { - DRM_ERROR("Reentering -- FIXME\n"); - return -EBUSY; - } - -#if DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); -#endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new == dev->last_context) { - clear_bit(0, &dev->context_flag); - return 0; - } - - if (drm_flags & DRM_FLAG_NOCTX) { - sis_context_switch_complete(dev, new); - } else { - sprintf(buf, "C %d %d\n", old, new); - drm_write_string(dev, buf); - } - - return 0; -} - -int sis_context_switch_complete(drm_device_t *dev, int new) -{ - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - - /* If a context switch is ever initiated - when the kernel holds the lock, release - that lock here. */ -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() - - dev->ctx_start)]); - -#endif - clear_bit(0, &dev->context_flag); - wake_up(&dev->context_wait); - - return 0; -} - - -int sis_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); - if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) - return -EFAULT; - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (copy_to_user(&res.contexts[i], &i, sizeof(i))) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) - return -EFAULT; - return 0; -} - - -int sis_addctx(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_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - if ((ctx.handle = sis_alloc_queue(dev)) == DRM_KERNEL_CONTEXT) { - /* Skip kernel's context and get a new one. */ - ctx.handle = sis_alloc_queue(dev); - } - DRM_DEBUG("%d\n", ctx.handle); - if (ctx.handle == -1) { - DRM_DEBUG("Not enough free contexts.\n"); - /* Should this return -EBUSY instead? */ - return -ENOMEM; - } - - /* new added */ - sis_init_context(ctx.handle); - - if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int sis_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - if (ctx.flags==_DRM_CONTEXT_PRESERVED) - sis_res_ctx.handle=ctx.handle; - return 0; -} - -int sis_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - /* This is 0, because we don't hanlde any context flags */ - ctx.flags = 0; - if (copy_to_user((drm_ctx_t*)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int sis_switchctx(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_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - return sis_context_switch(dev, dev->last_context, ctx.handle); -} - -int sis_newctx(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_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - sis_context_switch_complete(dev, ctx.handle); - - return 0; -} - -int sis_rmctx(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_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - drm_ctxbitmap_free(dev, ctx.handle); - - return 0; -} diff --git a/linux/sis_drv.c b/linux/sis_drv.c index 92ec32dd..d04d3739 100644 --- a/linux/sis_drv.c +++ b/linux/sis_drv.c @@ -26,669 +26,43 @@ */ #include <linux/config.h> +#include "sis.h" #include "drmP.h" #include "sis_drm.h" #include "sis_drv.h" -#define SIS_NAME "sis" -#define SIS_DESC "SIS 300/630/540" -#define SIS_DATE "20000831" -#define SIS_MAJOR 1 -#define SIS_MINOR 0 -#define SIS_PATCHLEVEL 0 - -static drm_device_t sis_device; -drm_ctx_t sis_res_ctx; - -static struct file_operations sis_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: sis_open, - flush: drm_flush, - release: sis_release, - ioctl: sis_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice sis_misc = { - minor: MISC_DYNAMIC_MINOR, - name: SIS_NAME, - fops: &sis_fops, -}; - -static drm_ioctl_desc_t sis_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { sis_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)] = { sis_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { sis_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { sis_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { sis_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { sis_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { sis_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { sis_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)] = { sis_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { sis_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_bind, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_unbind, 1, 1}, -#endif - /* FB Memory Management */ - [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)] = { sis_fb_alloc, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)] = { sis_fb_free, 1, 1 }, - - /* AGP Memory Management */ - [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)] = { sis_agp_init, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)] = { sis_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)] = { sis_agp_free, 1, 1 }, - -#if defined(SIS_STEREO) - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { sis_control, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_FLIP)] = { sis_flip, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_FLIP_INIT)] = { sis_flip_init, 1, 1 }, - [DRM_IOCTL_NR(SIS_IOCTL_FLIP_FINAL)] = { sis_flip_final, 1, 1 }, -#endif -}; -#define SIS_IOCTL_COUNT DRM_ARRAY_SIZE(sis_ioctls) - -#ifdef MODULE -static char *sis = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("sis"); -MODULE_PARM(sis, "s"); - -#ifndef MODULE -/* sis_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 sis_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("sis=", sis_options); -#endif - -static int sis_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); - - sis_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 sis_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"); - -#if defined(SIS_STEREO) - if (dev->irq) sis_irq_uninstall(dev); -#endif - - 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; -} - -/* sis_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int sis_init(void) -{ - int retcode; - drm_device_t *dev = &sis_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(sis); -#endif - - if ((retcode = misc_register(&sis_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", SIS_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, sis_misc.minor); - dev->name = SIS_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(&sis_misc); - sis_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - SIS_NAME, - SIS_MAJOR, - SIS_MINOR, - SIS_PATCHLEVEL, - SIS_DATE, - sis_misc.minor); - - return 0; -} - -/* sis_cleanup is called via cleanup_module at module unload time. */ - -static void sis_cleanup(void) -{ - drm_device_t *dev = &sis_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&sis_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - sis_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(sis_init); -module_exit(sis_cleanup); - - -int sis_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 = SIS_MAJOR; - version.version_minor = SIS_MINOR; - version.version_patchlevel = SIS_PATCHLEVEL; - - DRM_COPY(version.name, SIS_NAME); - DRM_COPY(version.date, SIS_DATE); - DRM_COPY(version.desc, SIS_DESC); - - if (copy_to_user((drm_version_t *)arg, &version, sizeof(version))) - return -EFAULT; - return 0; -} - -int sis_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &sis_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 sis_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int sis_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 sis_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - - unlock_kernel(); - return retcode; -} - -/* sis_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int sis_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 >= SIS_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &sis_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 sis_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 - sis. 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 == sis_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 != sis_res_ctx.handle && - dev->last_context != sis_res_ctx.handle) { - add_wait_queue(&dev->context_wait, &entry); - current->state = TASK_INTERRUPTIBLE; - /* PRE: dev->last_context != lock.context */ - sis_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 - sis_quiescent(dev); -#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 sis_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"); - } - } - - unblock_all_signals(); - return 0; -} +#define DRIVER_AUTHOR "SIS" +#define DRIVER_NAME "sis" +#define DRIVER_DESC "SIS 300/630/540" +#define DRIVER_DATE "20010503" +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS +#if 0 /* these don't appear to be defined */ + /* SIS Stereo */ + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { sis_control, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP)] = { sis_flip, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP_INIT)] = { sis_flip_init, 1, 1 }, + [DRM_IOCTL_NR(SIS_IOCTL_FLIP_FINAL)] = { sis_flip_final, 1, 1 } +#endif + +#define __HAVE_COUNTERS 5 + +#include "drm_auth.h" +#include "drm_agpsupport.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lists.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux/sis_drv.h b/linux/sis_drv.h index 8c4e2910..844e38b0 100644 --- a/linux/sis_drv.h +++ b/linux/sis_drv.h @@ -28,53 +28,11 @@ #ifndef _SIS_DRV_H_ #define _SIS_DRV_H_ - /* sis_drv.c */ -extern int sis_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_open(struct inode *inode, struct file *filp); -extern int sis_release(struct inode *inode, struct file *filp); -extern int sis_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_irq_install(drm_device_t *dev, int irq); -extern int sis_irq_uninstall(drm_device_t *dev); -extern int sis_control(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_lock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_unlock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +typedef struct drm_sis_private { + drm_map_t *buffers; +} drm_sis_private_t; - /* sis_context.c */ - -extern int sis_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int sis_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - -extern int sis_context_switch(drm_device_t *dev, int old, int new); -extern int sis_context_switch_complete(drm_device_t *dev, int new); - -int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg); -int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg); - -int sis_agp_init(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg); -int sis_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg); -int sis_agp_free(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg); +/* Stereo ? - this was never committed */ int sis_flip(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); @@ -83,8 +41,5 @@ int sis_flip_init(struct inode *inode, struct file *filp, unsigned int cmd, int sis_flip_final(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); void flip_final(void); - -int sis_init_context(int contexy); -int sis_final_context(int context); #endif diff --git a/linux/sis_ds.c b/linux/sis_ds.c deleted file mode 100644 index 6143ad83..00000000 --- a/linux/sis_ds.c +++ /dev/null @@ -1,406 +0,0 @@ -/* sis_ds.c -- Private header for Direct Rendering Manager -*- linux-c -*- - * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw - * - * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. - * 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. - * - * Authors: - * Sung-Ching Lin <sclin@sis.com.tw> - * - */ - -#define __NO_VERSION__ -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/malloc.h> -#include <linux/poll.h> -#include <asm/io.h> -#include <linux/pci.h> - -#include "sis_ds.h" - -/* Set Data Structure, not check repeated value - * temporarily used - */ - -set_t *setInit(void) -{ - int i; - set_t *set; - - set = (set_t *)MALLOC(sizeof(set_t)); - for(i = 0; i < SET_SIZE; i++){ - set->list[i].free_next = i+1; - set->list[i].alloc_next = -1; - } - set->list[SET_SIZE-1].free_next = -1; - set->free = 0; - set->alloc = -1; - set->trace = -1; - - return set; -} - -int setAdd(set_t *set, ITEM_TYPE item) -{ - int free = set->free; - - if(free != -1){ - set->list[free].val = item; - set->free = set->list[free].free_next; - } - else{ - return 0; - } - - set->list[free].alloc_next = set->alloc; - set->alloc = free; - set->list[free].free_next = -1; - - return 1; -} - -int setDel(set_t *set, ITEM_TYPE item) -{ - int alloc = set->alloc; - int prev = -1; - - while(alloc != -1){ - if(set->list[alloc].val == item){ - if(prev != -1) - set->list[prev].alloc_next = set->list[alloc].alloc_next; - else - set->alloc = set->list[alloc].alloc_next; - break; - } - prev = alloc; - alloc = set->list[alloc].alloc_next; - } - - if(alloc == -1) - return 0; - - set->list[alloc].free_next = set->free; - set->free = alloc; - set->list[alloc].alloc_next = -1; - - return 1; -} - -/* setFirst -> setAdd -> setNext is wrong */ - -int setFirst(set_t *set, ITEM_TYPE *item) -{ - if(set->alloc == -1) - return 0; - - *item = set->list[set->alloc].val; - set->trace = set->list[set->alloc].alloc_next; - - return 1; -} - -int setNext(set_t *set, ITEM_TYPE *item) -{ - if(set->trace == -1) - return 0; - - *item = set->list[set->trace].val; - set->trace = set->list[set->trace].alloc_next; - - return 1; -} - -int setDestroy(set_t *set) -{ - FREE(set); - - return 1; -} - -/* - * GLX Hardware Device Driver common code - * Copyright (C) 1999 Keith Whitwell - * - * 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 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 - * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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. - * - */ - -#define ISFREE(bptr) ((bptr)->free) - -#define PRINTF(fmt, arg...) do{}while(0) -#define fprintf(fmt, arg...) do{}while(0) - -static void *calloc(size_t nmemb, size_t size) -{ - void *addr; - addr = kmalloc(nmemb*size, GFP_KERNEL); - memset(addr, 0, nmemb*size); - return addr; -} -#define free(n) kfree(n) - -void mmDumpMemInfo( memHeap_t *heap ) -{ - TMemBlock *p; - - PRINTF ("Memory heap %p:\n", heap); - if (heap == 0) { - PRINTF (" heap == 0\n"); - } else { - p = (TMemBlock *)heap; - while (p) { - PRINTF (" Offset:%08x, Size:%08x, %c%c\n",p->ofs,p->size, - p->free ? '.':'U', - p->reserved ? 'R':'.'); - p = p->next; - } - } - PRINTF ("End of memory blocks\n"); -} - -memHeap_t *mmInit(int ofs, - int size) -{ - PMemBlock blocks; - - if (size <= 0) { - return 0; - } - blocks = (TMemBlock *) calloc(1,sizeof(TMemBlock)); - if (blocks) { - blocks->ofs = ofs; - blocks->size = size; - blocks->free = 1; - return (memHeap_t *)blocks; - } else - return 0; -} - -/* Kludgey workaround for existing i810 server. Remove soon. - */ -memHeap_t *mmAddRange( memHeap_t *heap, - int ofs, - int size ) -{ - PMemBlock blocks; - blocks = (TMemBlock *) calloc(2,sizeof(TMemBlock)); - if (blocks) { - blocks[0].size = size; - blocks[0].free = 1; - blocks[0].ofs = ofs; - blocks[0].next = &blocks[1]; - - /* Discontinuity - stops JoinBlock from trying to join non-adjacent - * ranges. - */ - blocks[1].size = 0; - blocks[1].free = 0; - blocks[1].ofs = ofs+size; - blocks[1].next = (PMemBlock) heap; - return (memHeap_t *)blocks; - } - else - return heap; -} - -static TMemBlock* SliceBlock(TMemBlock *p, - int startofs, int size, - int reserved, int alignment) -{ - TMemBlock *newblock; - - /* break left */ - if (startofs > p->ofs) { - newblock = (TMemBlock*) calloc(1,sizeof(TMemBlock)); - newblock->ofs = startofs; - newblock->size = p->size - (startofs - p->ofs); - newblock->free = 1; - newblock->next = p->next; - p->size -= newblock->size; - p->next = newblock; - p = newblock; - } - - /* break right */ - if (size < p->size) { - newblock = (TMemBlock*) calloc(1,sizeof(TMemBlock)); - newblock->ofs = startofs + size; - newblock->size = p->size - size; - newblock->free = 1; - newblock->next = p->next; - p->size = size; - p->next = newblock; - } - - /* p = middle block */ - p->align = alignment; - p->free = 0; - p->reserved = reserved; - return p; -} - -PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch) -{ - int mask,startofs,endofs; - TMemBlock *p; - - if (!heap || align2 < 0 || size <= 0) - return NULL; - mask = (1 << align2)-1; - startofs = 0; - p = (TMemBlock *)heap; - while (p) { - if (ISFREE(p)) { - startofs = (p->ofs + mask) & ~mask; - if ( startofs < startSearch ) { - startofs = startSearch; - } - endofs = startofs+size; - if (endofs <= (p->ofs+p->size)) - break; - } - p = p->next; - } - if (!p) - return NULL; - p = SliceBlock(p,startofs,size,0,mask+1); - p->heap = heap; - return p; -} - -static __inline__ int Join2Blocks(TMemBlock *p) -{ - if (p->free && p->next && p->next->free) { - TMemBlock *q = p->next; - p->size += q->size; - p->next = q->next; - free(q); - return 1; - } - return 0; -} - -int mmFreeMem(PMemBlock b) -{ - TMemBlock *p,*prev; - - if (!b) - return 0; - if (!b->heap) { - fprintf(stderr, "no heap\n"); - return -1; - } - p = b->heap; - prev = NULL; - while (p && p != b) { - prev = p; - p = p->next; - } - if (!p || p->free || p->reserved) { - if (!p) - fprintf(stderr, "block not found in heap\n"); - else if (p->free) - fprintf(stderr, "block already free\n"); - else - fprintf(stderr, "block is reserved\n"); - return -1; - } - p->free = 1; - Join2Blocks(p); - if (prev) - Join2Blocks(prev); - return 0; -} - -int mmReserveMem(memHeap_t *heap, int offset,int size) -{ - int endofs; - TMemBlock *p; - - if (!heap || size <= 0) - return -1; - endofs = offset+size; - p = (TMemBlock *)heap; - while (p && p->ofs <= offset) { - if (ISFREE(p) && endofs <= (p->ofs+p->size)) { - SliceBlock(p,offset,size,1,1); - return 0; - } - p = p->next; - } - return -1; -} - -int mmFreeReserved(memHeap_t *heap, int offset) -{ - TMemBlock *p,*prev; - - if (!heap) - return -1; - p = (TMemBlock *)heap; - prev = NULL; - while (p && p->ofs != offset) { - prev = p; - p = p->next; - } - if (!p || !p->reserved) - return -1; - p->free = 1; - p->reserved = 0; - Join2Blocks(p); - if (prev) - Join2Blocks(prev); - return 0; -} - -void mmDestroy(memHeap_t *heap) -{ - TMemBlock *p,*q; - - if (!heap) - return; - p = (TMemBlock *)heap; - while (p) { - q = p->next; - free(p); - p = q; - } -} diff --git a/linux/sis_ds.h b/linux/sis_ds.h deleted file mode 100644 index c3367dba..00000000 --- a/linux/sis_ds.h +++ /dev/null @@ -1,163 +0,0 @@ -/* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*- - * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw - * - * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. - * 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. - * - * Authors: - * Sung-Ching Lin <sclin@sis.com.tw> - * - */ - -#ifndef _sis_ds_h_ -#define _sis_ds_h_ - -/* Set Data Structure */ - -#define SET_SIZE 5000 -#define MALLOC(s) kmalloc(s, GFP_KERNEL) -#define FREE(s) kfree(s) - -typedef unsigned int ITEM_TYPE; - -typedef struct { - ITEM_TYPE val; - int alloc_next, free_next; -} list_item_t; - -typedef struct { - int alloc; - int free; - int trace; - list_item_t list[SET_SIZE]; -} set_t; - -set_t *setInit(void); -int setAdd(set_t *set, ITEM_TYPE item); -int setDel(set_t *set, ITEM_TYPE item); -int setFirst(set_t *set, ITEM_TYPE *item); -int setNext(set_t *set, ITEM_TYPE *item); -int setDestroy(set_t *set); - -#endif - -/* - * GLX Hardware Device Driver common code - * Copyright (C) 1999 Keith Whitwell - * - * 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 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 - * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE - * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#ifndef MM_INC -#define MM_INC - -struct mem_block_t { - struct mem_block_t *next; - struct mem_block_t *heap; - int ofs,size; - int align; - int free:1; - int reserved:1; -}; -typedef struct mem_block_t TMemBlock; -typedef struct mem_block_t *PMemBlock; - -/* a heap is just the first block in a chain */ -typedef struct mem_block_t memHeap_t; - -static __inline__ int mmBlockSize(PMemBlock b) -{ return b->size; } - -static __inline__ int mmOffset(PMemBlock b) -{ return b->ofs; } - -static __inline__ void mmMarkReserved(PMemBlock b) -{ b->reserved = 1; } - -/* - * input: total size in bytes - * return: a heap pointer if OK, NULL if error - */ -memHeap_t *mmInit( int ofs, int size ); - - - -memHeap_t *mmAddRange( memHeap_t *heap, - int ofs, - int size ); - - -/* - * Allocate 'size' bytes with 2^align2 bytes alignment, - * restrict the search to free memory after 'startSearch' - * depth and back buffers should be in different 4mb banks - * to get better page hits if possible - * input: size = size of block - * align2 = 2^align2 bytes alignment - * startSearch = linear offset from start of heap to begin search - * return: pointer to the allocated block, 0 if error - */ -PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch ); - -/* - * Free block starts at offset - * input: pointer to a block - * return: 0 if OK, -1 if error - */ -int mmFreeMem( PMemBlock b ); - -/* - * Reserve 'size' bytes block start at offset - * This is used to prevent allocation of memory already used - * by the X server for the front buffer, pixmaps, and cursor - * input: size, offset - * output: 0 if OK, -1 if error - */ -int mmReserveMem( memHeap_t *heap, int offset,int size ); -int mmFreeReserved( memHeap_t *heap, int offset ); - -/* - * destroy MM - */ -void mmDestroy( memHeap_t *mmInit ); - -/* For debuging purpose. */ -void mmDumpMemInfo( memHeap_t *mmInit ); - -#endif diff --git a/linux/sis_mm.c b/linux/sis_mm.c deleted file mode 100644 index c8cc77be..00000000 --- a/linux/sis_mm.c +++ /dev/null @@ -1,306 +0,0 @@ -/* sis_mm.c -- Private header for Direct Rendering Manager -*- linux-c -*- - * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw - * - * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. - * 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. - * - * Authors: - * Sung-Ching Lin <sclin@sis.com.tw> - * - */ - -#define __NO_VERSION__ -#include <linux/sisfb.h> -#include "drmP.h" -#include "sis_drm.h" -#include "sis_ds.h" -#include "sis_drv.h" - -#define MAX_CONTEXT 100 -#define VIDEO_TYPE 0 -#define AGP_TYPE 1 - -typedef struct { - int used; - int context; - set_t *sets[2]; /* 0 for video, 1 for AGP */ -} sis_context_t; - -static sis_context_t global_ppriv[MAX_CONTEXT]; - -static int add_alloc_set(int context, int type, unsigned int val) -{ - int i, retval = 0; - - for(i = 0; i < MAX_CONTEXT; i++) - if(global_ppriv[i].used && global_ppriv[i].context == context){ - retval = setAdd(global_ppriv[i].sets[type], val); - break; - } - return retval; -} - -static int del_alloc_set(int context, int type, unsigned int val) -{ - int i, retval = 0; - for(i = 0; i < MAX_CONTEXT; i++) - if(global_ppriv[i].used && global_ppriv[i].context == context){ - retval = setDel(global_ppriv[i].sets[type], val); - break; - } - return retval; -} - -/* fb management via fb device */ -#if 0 -int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_sis_mem_t fb; - struct sis_memreq req; - int retval = 0; - - if (copy_from_user(&fb, (drm_sis_mem_t *)arg, sizeof(fb))) - return -EFAULT; - - req.size = fb.size; - sis_malloc(&req); - if(req.offset){ - /* TODO */ - fb.offset = req.offset; - fb.free = req.offset; - if(!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)){ - DRM_DEBUG("adding to allocation set fails"); - sis_free(req.offset); - retval = -1; - } - } - else{ - fb.offset = 0; - fb.size = 0; - fb.free = 0; - } - - if (copy_to_user((drm_sis_mem_t *)arg, &fb, sizeof(fb))) return -EFAULT; - - DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset); - - return retval; -} - -int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_sis_mem_t fb; - int retval = 0; - - if (copy_from_user(&fb, (drm_sis_mem_t *)arg, sizeof(fb))) - return -EFAULT; - - if(!fb.free){ - return -1; - } - - sis_free(fb.free); - if(!del_alloc_set(fb.context, VIDEO_TYPE, fb.free)) - retval = -1; - - DRM_DEBUG("free fb, offset = %d\n", fb.free); - - return retval; -} - -#else - -int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - return -1; -} - -int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - return 0; -} - -#endif - -/* agp memory management */ -#if 1 - -static memHeap_t *AgpHeap = NULL; - -int sis_agp_init(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_sis_agp_t agp; - - if (copy_from_user(&agp, (drm_sis_agp_t *)arg, sizeof(agp))) - return -EFAULT; - - AgpHeap = mmInit(agp.offset, agp.size); - - DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size); - - return 0; -} - -int sis_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_sis_mem_t agp; - PMemBlock block; - int retval = 0; - - if(!AgpHeap) - return -1; - - if (copy_from_user(&agp, (drm_sis_mem_t *)arg, sizeof(agp))) - return -EFAULT; - - block = mmAllocMem(AgpHeap, agp.size, 0, 0); - if(block){ - /* TODO */ - agp.offset = block->ofs; - agp.free = (unsigned int)block; - if(!add_alloc_set(agp.context, AGP_TYPE, agp.free)){ - DRM_DEBUG("adding to allocation set fails"); - mmFreeMem((PMemBlock)agp.free); - retval = -1; - } - } - else{ - agp.offset = 0; - agp.size = 0; - agp.free = 0; - } - - if (copy_to_user((drm_sis_mem_t *)arg, &agp, sizeof(agp))) return -EFAULT; - - DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset); - - return retval; -} - -int sis_agp_free(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_sis_mem_t agp; - int retval = 0; - - if(!AgpHeap) - return -1; - - if (copy_from_user(&agp, (drm_sis_mem_t *)arg, sizeof(agp))) - return -EFAULT; - - if(!agp.free){ - return -1; - } - - mmFreeMem((PMemBlock)agp.free); - if(!del_alloc_set(agp.context, AGP_TYPE, agp.free)) - retval = -1; - - DRM_DEBUG("free agp, free = %d\n", agp.free); - - return retval; -} - -#endif - -int sis_init_context(int context) -{ - int i; - - for(i = 0; i < MAX_CONTEXT ; i++) - if(global_ppriv[i].used && (global_ppriv[i].context == context)) - break; - - if(i >= MAX_CONTEXT){ - for(i = 0; i < MAX_CONTEXT ; i++){ - if(!global_ppriv[i].used){ - global_ppriv[i].context = context; - global_ppriv[i].used = 1; - global_ppriv[i].sets[0] = setInit(); - global_ppriv[i].sets[1] = setInit(); - DRM_DEBUG("init allocation set, socket=%d, context = %d\n", - i, context); - break; - } - } - if((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) || - (global_ppriv[i].sets[1] == NULL)){ - return 0; - } - } - - return 1; -} - -int sis_final_context(int context) -{ - int i; - - for(i=0; i<MAX_CONTEXT; i++) - if(global_ppriv[i].used && (global_ppriv[i].context == context)) - break; - - if(i < MAX_CONTEXT){ - set_t *set; - unsigned int item; - int retval; - - DRM_DEBUG("find socket %d, context = %d\n", i, context); - - /* Video Memory */ - set = global_ppriv[i].sets[0]; - retval = setFirst(set, &item); - while(retval){ - DRM_DEBUG("free video memory 0x%x\n", item); - sis_free(item); - retval = setNext(set, &item); - } - setDestroy(set); - - /* AGP Memory */ - set = global_ppriv[i].sets[1]; - retval = setFirst(set, &item); - while(retval){ - DRM_DEBUG("free agp memory 0x%x\n", item); - mmFreeMem((PMemBlock)item); - retval = setNext(set, &item); - } - setDestroy(set); - - global_ppriv[i].used = 0; - } - - /* turn-off auto-flip */ - /* TODO */ -#if defined(SIS_STEREO) - flip_final(); -#endif - - return 1; -} diff --git a/shared-core/drm.h b/shared-core/drm.h index 3def97f7..b011e336 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -466,11 +466,6 @@ typedef struct drm_scatter_gather { #ifdef CONFIG_DRM_SIS /* SiS specific ioctls */ -#define SIS_IOCTL_FB_ALLOC DRM_IOWR(0x44, drm_sis_mem_t) -#define SIS_IOCTL_FB_FREE DRM_IOW( 0x45, drm_sis_mem_t) -#define SIS_IOCTL_AGP_INIT DRM_IOWR(0x53, drm_sis_agp_t) -#define SIS_IOCTL_AGP_ALLOC DRM_IOWR(0x54, drm_sis_mem_t) -#define SIS_IOCTL_AGP_FREE DRM_IOW( 0x55, drm_sis_mem_t) #define SIS_IOCTL_FLIP DRM_IOW( 0x48, drm_sis_flip_t) #define SIS_IOCTL_FLIP_INIT DRM_IO( 0x49) #define SIS_IOCTL_FLIP_FINAL DRM_IO( 0x50) diff --git a/shared/drm.h b/shared/drm.h index 3def97f7..b011e336 100644 --- a/shared/drm.h +++ b/shared/drm.h @@ -466,11 +466,6 @@ typedef struct drm_scatter_gather { #ifdef CONFIG_DRM_SIS /* SiS specific ioctls */ -#define SIS_IOCTL_FB_ALLOC DRM_IOWR(0x44, drm_sis_mem_t) -#define SIS_IOCTL_FB_FREE DRM_IOW( 0x45, drm_sis_mem_t) -#define SIS_IOCTL_AGP_INIT DRM_IOWR(0x53, drm_sis_agp_t) -#define SIS_IOCTL_AGP_ALLOC DRM_IOWR(0x54, drm_sis_mem_t) -#define SIS_IOCTL_AGP_FREE DRM_IOW( 0x55, drm_sis_mem_t) #define SIS_IOCTL_FLIP DRM_IOW( 0x48, drm_sis_flip_t) #define SIS_IOCTL_FLIP_INIT DRM_IO( 0x49) #define SIS_IOCTL_FLIP_FINAL DRM_IO( 0x50) |