diff options
Diffstat (limited to 'linux/radeon_drv.c')
| -rw-r--r-- | linux/radeon_drv.c | 731 |
1 files changed, 58 insertions, 673 deletions
diff --git a/linux/radeon_drv.c b/linux/radeon_drv.c index 0113ed97..b022c3bb 100644 --- a/linux/radeon_drv.c +++ b/linux/radeon_drv.c @@ -1,7 +1,7 @@ /* radeon_drv.c -- ATI Radeon driver -*- linux-c -*- + * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -18,685 +18,70 @@ * 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 + * VA LINUX SYSTEMS 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: Kevin E. Martin <martin@valinux.com> - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "radeon.h" #include "drmP.h" #include "radeon_drv.h" -#define RADEON_NAME "radeon" -#define RADEON_DESC "ATI Radeon" -#define RADEON_DATE "20010105" -#define RADEON_MAJOR 1 -#define RADEON_MINOR 0 -#define RADEON_PATCHLEVEL 0 - -static drm_device_t radeon_device; -drm_ctx_t radeon_res_ctx; - -static struct file_operations radeon_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: radeon_open, - flush: drm_flush, - release: radeon_release, - ioctl: radeon_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice radeon_misc = { - minor: MISC_DYNAMIC_MINOR, - name: RADEON_NAME, - fops: &radeon_fops, -}; - -static drm_ioctl_desc_t radeon_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { radeon_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_BUFS)] = { radeon_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { radeon_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { radeon_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { radeon_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { radeon_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { radeon_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { radeon_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { radeon_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { radeon_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_DMA)] = { radeon_cp_buffers, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { radeon_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { radeon_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, 0 }, - [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 - - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_INIT)] = { radeon_cp_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_START)] = { radeon_cp_start, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_STOP)] = { radeon_cp_stop, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_RESET)] = { radeon_cp_reset, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_IDLE)] = { radeon_cp_idle, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_RESET)] = { radeon_engine_reset, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_SWAP)] = { radeon_cp_swap, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CLEAR)] = { radeon_cp_clear, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX)] = { radeon_cp_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_BLIT)] = { radeon_cp_blit, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDIRECT)]= { radeon_cp_indirect,1, 1 }, -}; -#define RADEON_IOCTL_COUNT DRM_ARRAY_SIZE(radeon_ioctls) - -#ifdef MODULE -static char *radeon = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("radeon"); -MODULE_PARM(radeon, "s"); - -#ifndef MODULE -/* radeon_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 radeon_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("radeon=", radeon_options); -#endif - -static int radeon_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); - - drm_dma_setup(dev); - - 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_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); - - radeon_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 radeon_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 *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until radeon_cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } -#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; - } - - drm_dma_takedown(dev); - - dev->queue_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; -} - -/* radeon_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init radeon_init(void) -{ - int retcode; - drm_device_t *dev = &radeon_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(radeon); -#endif - - if ((retcode = misc_register(&radeon_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", RADEON_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, radeon_misc.minor); - dev->name = RADEON_NAME; - - drm_mem_init(); - drm_proc_init(dev); - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - dev->agp = drm_agp_init(); - if (dev->agp == NULL) { - DRM_ERROR("Cannot initialize agpgart module.\n"); - drm_proc_cleanup(); - misc_deregister(&radeon_misc); - radeon_takedown(dev); - return -ENOMEM; - } - -#ifdef CONFIG_MTRR - dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size*1024*1024, - MTRR_TYPE_WRCOMB, - 1); -#endif -#endif - - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&radeon_misc); - radeon_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - RADEON_NAME, - RADEON_MAJOR, - RADEON_MINOR, - RADEON_PATCHLEVEL, - RADEON_DATE, - radeon_misc.minor); - - return 0; -} - -/* radeon_cleanup is called via cleanup_module at module unload time. */ - -static void __exit radeon_cleanup(void) -{ - drm_device_t *dev = &radeon_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&radeon_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - radeon_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(radeon_init); -module_exit(radeon_cleanup); - - -int radeon_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 = RADEON_MAJOR; - version.version_minor = RADEON_MINOR; - version.version_patchlevel = RADEON_PATCHLEVEL; - - DRM_COPY(version.name, RADEON_NAME); - DRM_COPY(version.date, RADEON_DATE); - DRM_COPY(version.desc, RADEON_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int radeon_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &radeon_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 radeon_setup(dev); - } - spin_unlock(&dev->count_lock); - } - - return retcode; -} - -int radeon_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); - - /* Force the cleanup of page flipping when required */ - if ( dev->dev_private ) { - drm_radeon_private_t *dev_priv = dev->dev_private; - if ( dev_priv->page_flipping ) { - radeon_do_cleanup_pageflip( dev ); - } - } - - 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 radeon_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - - unlock_kernel(); - return retcode; -} +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "radeon" +#define DRIVER_DESC "ATI Radeon" +#define DRIVER_DATE "20010402" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { radeon_cp_buffers, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_INIT)] = { radeon_cp_init, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_START)] = { radeon_cp_start, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_STOP)] = { radeon_cp_stop, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_RESET)] = { radeon_cp_reset, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_IDLE)] = { radeon_cp_idle, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_RESET)] = { radeon_engine_reset, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_SWAP)] = { radeon_cp_swap, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CLEAR)] = { radeon_cp_clear, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX)] = { radeon_cp_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_TEXTURE)] = { radeon_cp_texture, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDIRECT)] = { radeon_cp_indirect, 1, 1 }, -/* radeon_ioctl is called whenever a process performs an ioctl on /dev/drm. */ -int radeon_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 >= RADEON_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &radeon_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 radeon_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 (lock.context < 0 /* || lock.context >= dev->queue_count */) - return -EINVAL; - - if (!ret) { - 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); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - - 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 */ - DRM_DEBUG("not quiescent!\n"); #if 0 - radeon_quiescent(dev); -#endif - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != radeon_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 radeon_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 != radeon_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY; - } -#endif - unblock_all_signals(); - return 0; -} +/* GH: Count data sent to card via ring or vertex/indirect buffers. + */ +#define __HAVE_COUNTERS 3 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY +#endif + + +#include "drm_agpsupport.h" +#include "drm_auth.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_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" |