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authorDavid Dawes <dawes@xfree86.org>2002-02-14 02:00:26 +0000
committerDavid Dawes <dawes@xfree86.org>2002-02-14 02:00:26 +0000
commitab87c5d0d1b5c35006ce8b99a9260e3116c732dc (patch)
tree24d25b8fa4987897180d249b671ac2ab9e8edab1 /linux/drm.h
parent65d25572deec33b7da13c211bf0aa78c361f535a (diff)
First pass of mesa-4-0 branch merge into trunk.
Diffstat (limited to 'linux/drm.h')
-rw-r--r--linux/drm.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/linux/drm.h b/linux/drm.h
index 0db586fc..79dd5814 100644
--- a/linux/drm.h
+++ b/linux/drm.h
@@ -106,6 +106,7 @@ typedef struct drm_tex_region {
#include "radeon_drm.h"
#include "sis_drm.h"
#include "i830_drm.h"
+#include "gamma_drm.h"
typedef struct drm_version {
int version_major; /* Major version */
@@ -471,6 +472,7 @@ typedef struct drm_scatter_gather {
#define DRM_IOCTL_R128_STIPPLE DRM_IOW( 0x4d, drm_r128_stipple_t)
#define DRM_IOCTL_R128_INDIRECT DRM_IOWR(0x4f, drm_r128_indirect_t)
#define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( 0x50, drm_r128_fullscreen_t)
+#define DRM_IOCTL_R128_CLEAR2 DRM_IOW( 0x51, drm_r128_clear2_t)
/* Radeon specific ioctls */
#define DRM_IOCTL_RADEON_CP_INIT DRM_IOW( 0x40, drm_radeon_init_t)
@@ -487,6 +489,11 @@ typedef struct drm_scatter_gather {
#define DRM_IOCTL_RADEON_STIPPLE DRM_IOW( 0x4c, drm_radeon_stipple_t)
#define DRM_IOCTL_RADEON_INDIRECT DRM_IOWR(0x4d, drm_radeon_indirect_t)
#define DRM_IOCTL_RADEON_TEXTURE DRM_IOWR(0x4e, drm_radeon_texture_t)
+#define DRM_IOCTL_RADEON_VERTEX2 DRM_IOW( 0x4f, drm_radeon_vertex_t)
+
+/* Gamma specific ioctls */
+#define DRM_IOCTL_GAMMA_INIT DRM_IOW( 0x40, drm_gamma_init_t)
+#define DRM_IOCTL_GAMMA_COPY DRM_IOW( 0x41, drm_gamma_copy_t)
/* SiS specific ioctls */
#define SIS_IOCTL_FB_ALLOC DRM_IOWR(0x44, drm_sis_mem_t)
n> * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.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 * 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: * Rickard E. (Rik) Faith <faith@valinux.com> * Gareth Hughes <gareth@valinux.com> * */ #include "drmP.h" int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new; do { old = *lock; if (old & _DRM_LOCK_HELD) new = old | _DRM_LOCK_CONT; else new = context | _DRM_LOCK_HELD; } while (!atomic_cmpset_int(lock, old, new)); if (_DRM_LOCKING_CONTEXT(old) == context) { if (old & _DRM_LOCK_HELD) { if (context != DRM_KERNEL_CONTEXT) { DRM_ERROR("%d holds heavyweight lock\n", context); } return 0; } } if (new == (context | _DRM_LOCK_HELD)) { /* Have lock */ return 1; } return 0; } /* This takes a lock forcibly and hands it to context. Should ONLY be used inside *_unlock to give lock to kernel before calling *_dma_schedule. */ int drm_lock_transfer(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new; dev->lock.filp = NULL; do { old = *lock; new = context | _DRM_LOCK_HELD; } while (!atomic_cmpset_int(lock, old, new)); return 1; } int drm_lock_free(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new; dev->lock.filp = NULL; do { old = *lock; new = 0; } while (!atomic_cmpset_int(lock, old, new)); if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) { DRM_ERROR("%d freed heavyweight lock held by %d\n", context, _DRM_LOCKING_CONTEXT(old)); return 1; } DRM_WAKEUP_INT((void *)&dev->lock.lock_queue); return 0; } int drm_lock(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_lock_t lock; int ret = 0; DRM_COPY_FROM_USER_IOCTL(lock, (drm_lock_t *)data, sizeof(lock)); if (lock.context == DRM_KERNEL_CONTEXT) { DRM_ERROR("Process %d using kernel context %d\n", DRM_CURRENTPID, lock.context); return EINVAL; } DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", lock.context, DRM_CURRENTPID, dev->lock.hw_lock->lock, lock.flags); if (dev->driver.use_dma_queue && lock.context < 0) return EINVAL; DRM_LOCK(); for (;;) { if (drm_lock_take(&dev->lock.hw_lock->lock, lock.context)) { dev->lock.filp = (void *)(uintptr_t)DRM_CURRENTPID; dev->lock.lock_time = jiffies; atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); break; /* Got lock */ } /* Contention */ #if defined(__FreeBSD__) && __FreeBSD_version > 500000 ret = msleep((void *)&dev->lock.lock_queue, &dev->dev_lock, PZERO | PCATCH, "drmlk2", 0); #else ret = tsleep((void *)&dev->lock.lock_queue, PZERO | PCATCH, "drmlk2", 0); #endif if (ret != 0) break; } DRM_UNLOCK(); DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); if (ret != 0) return ret; /* XXX: Add signal blocking here */ if (dev->driver.dma_quiescent != NULL && (lock.flags & _DRM_LOCK_QUIESCENT)) dev->driver.dma_quiescent(dev); return 0; } int drm_unlock(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_lock_t lock; DRM_COPY_FROM_USER_IOCTL(lock, (drm_lock_t *)data, sizeof(lock)); if (lock.context == DRM_KERNEL_CONTEXT) { DRM_ERROR("Process %d using kernel context %d\n", DRM_CURRENTPID, lock.context); return EINVAL; } atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]); DRM_LOCK(); drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); if (drm_lock_free(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) { DRM_ERROR("\n"); } DRM_UNLOCK(); return 0; }