Update radeon DRM to v1.1.0 (texture upload changes).
Gareth Hughes
parent
fcc21069b7
commit
62d4931529
|
|
@ -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
|
||||
#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 },
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
/* 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)]);
|
||||
/* 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
|
||||
|
||||
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;
|
||||
}
|
||||
#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"
|
||||
|
|
|
|||
|
|
@ -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
|
||||
#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 },
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
/* 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)]);
|
||||
/* 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
|
||||
|
||||
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;
|
||||
}
|
||||
#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"
|
||||
|
|
|
|||
Loading…
Reference in New Issue