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Diffstat (limited to 'bsd/drm_irq.h')
-rw-r--r--bsd/drm_irq.h281
1 files changed, 0 insertions, 281 deletions
diff --git a/bsd/drm_irq.h b/bsd/drm_irq.h
deleted file mode 100644
index eec6ab93..00000000
--- a/bsd/drm_irq.h
+++ /dev/null
@@ -1,281 +0,0 @@
-/* drm_dma.c -- DMA IOCTL and function support
- * Created: Fri Oct 18 2003 by anholt@FreeBSD.org
- *
- * Copyright 2003 Eric Anholt
- * 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:
- * Eric Anholt <anholt@FreeBSD.org>
- *
- */
-
-int DRM(irq_by_busid)( DRM_IOCTL_ARGS )
-{
- DRM_DEVICE;
- drm_irq_busid_t irq;
-
- DRM_COPY_FROM_USER_IOCTL(irq, (drm_irq_busid_t *)data, sizeof(irq));
-
- if ((irq.busnum >> 8) != dev->pci_domain ||
- (irq.busnum & 0xff) != dev->pci_bus ||
- irq.devnum != dev->pci_slot ||
- irq.funcnum != dev->pci_func)
- return EINVAL;
-
- irq.irq = dev->irq;
-
- DRM_DEBUG("%d:%d:%d => IRQ %d\n",
- irq.busnum, irq.devnum, irq.funcnum, irq.irq);
-
- DRM_COPY_TO_USER_IOCTL( (drm_irq_busid_t *)data, irq, sizeof(irq) );
-
- return 0;
-}
-
-#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
-static irqreturn_t
-DRM(irq_handler_wrap)(DRM_IRQ_ARGS)
-{
- drm_device_t *dev = (drm_device_t *)arg;
-
- DRM_SPINLOCK(&dev->irq_lock);
- DRM(irq_handler)(arg);
- DRM_SPINUNLOCK(&dev->irq_lock);
-}
-#endif
-
-int DRM(irq_install)(drm_device_t *dev)
-{
- int retcode;
-
- if (dev->irq == 0 || dev->dev_private == NULL)
- return DRM_ERR(EINVAL);
-
- DRM_LOCK();
- if (dev->irq_enabled) {
- DRM_UNLOCK();
- return DRM_ERR(EBUSY);
- }
- dev->irq_enabled = 1;
- DRM_UNLOCK();
-
- DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq );
-
- dev->context_flag = 0;
-
- dev->dma->next_buffer = NULL;
- dev->dma->this_buffer = NULL;
-
-#if __HAVE_IRQ_BH
- TASK_INIT(&dev->task, 0, DRM(dma_immediate_bh), dev);
-#endif
-
- DRM_SPININIT(dev->irq_lock, "DRM IRQ lock");
-
- /* Before installing handler */
- DRM(driver_irq_preinstall)( dev );
-
- /* Install handler */
-#ifdef __FreeBSD__
- dev->irqrid = 0;
- dev->irqr = bus_alloc_resource_any(dev->device, SYS_RES_IRQ,
- &dev->irqrid, RF_SHAREABLE);
- if (!dev->irqr) {
- retcode = ENOENT;
- goto err;
- }
-#if __FreeBSD_version < 500000
- retcode = bus_setup_intr(dev->device, dev->irqr, INTR_TYPE_TTY,
- DRM(irq_handler), dev, &dev->irqh);
-#else
- retcode = bus_setup_intr(dev->device, dev->irqr, INTR_TYPE_TTY | INTR_MPSAFE,
- DRM(irq_handler_wrap), dev, &dev->irqh);
-#endif
- if (retcode != 0)
- goto err;
-#elif defined(__NetBSD__)
- if (pci_intr_map(&dev->pa, &dev->ih) != 0) {
- retcode = ENOENT;
- goto err;
- }
- dev->irqh = pci_intr_establish(&dev->pa.pa_pc, dev->ih, IPL_TTY,
- (irqreturn_t (*)(DRM_IRQ_ARGS))DRM(irq_handler), dev);
- if (!dev->irqh) {
- retcode = ENOENT;
- goto err;
- }
-#endif
-
- /* After installing handler */
- DRM(driver_irq_postinstall)( dev );
-
- return 0;
-err:
- DRM_LOCK();
- dev->irq_enabled = 0;
-#ifdef ___FreeBSD__
- if (dev->irqrid != 0) {
- bus_release_resource(dev->device, SYS_RES_IRQ, dev->irqrid,
- dev->irqr);
- dev->irqrid = 0;
- }
-#endif
- DRM_SPINUNINIT(dev->irq_lock);
- DRM_UNLOCK();
- return retcode;
-}
-
-/* XXX: This function needs to be called with the device lock held. In some
- * cases it isn't, so far.
- */
-int DRM(irq_uninstall)( drm_device_t *dev )
-{
- int irqrid;
-
- if (!dev->irq_enabled)
- return DRM_ERR(EINVAL);
-
- dev->irq_enabled = 0;
- irqrid = dev->irqrid;
- dev->irqrid = 0;
-
- DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq );
-
- DRM(driver_irq_uninstall)( dev );
-
-#ifdef __FreeBSD__
- bus_teardown_intr(dev->device, dev->irqr, dev->irqh);
- bus_release_resource(dev->device, SYS_RES_IRQ, irqrid, dev->irqr);
-#elif defined(__NetBSD__)
- pci_intr_disestablish(&dev->pa.pa_pc, dev->irqh);
-#endif
- DRM_SPINUNINIT(dev->irq_lock);
-
- return 0;
-}
-
-int DRM(control)( DRM_IOCTL_ARGS )
-{
- DRM_DEVICE;
- drm_control_t ctl;
- int err;
-
- DRM_COPY_FROM_USER_IOCTL( ctl, (drm_control_t *) data, sizeof(ctl) );
-
- switch ( ctl.func ) {
- case DRM_INST_HANDLER:
- if (dev->if_version < DRM_IF_VERSION(1, 2) &&
- ctl.irq != dev->irq)
- return DRM_ERR(EINVAL);
- return DRM(irq_install)(dev);
- case DRM_UNINST_HANDLER:
- DRM_LOCK();
- err = DRM(irq_uninstall)( dev );
- DRM_UNLOCK();
- return err;
- default:
- return DRM_ERR(EINVAL);
- }
-}
-
-#if __HAVE_VBL_IRQ
-int DRM(wait_vblank)( DRM_IOCTL_ARGS )
-{
- DRM_DEVICE;
- drm_wait_vblank_t vblwait;
- struct timeval now;
- int ret;
-
- if (!dev->irq_enabled)
- return DRM_ERR(EINVAL);
-
- DRM_COPY_FROM_USER_IOCTL( vblwait, (drm_wait_vblank_t *)data,
- sizeof(vblwait) );
-
- if (vblwait.request.type & _DRM_VBLANK_RELATIVE) {
- vblwait.request.sequence += atomic_read(&dev->vbl_received);
- vblwait.request.type &= ~_DRM_VBLANK_RELATIVE;
- }
-
- flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK;
- if (flags & _DRM_VBLANK_SIGNAL) {
-#if 0 /* disabled */
- drm_vbl_sig_t *vbl_sig = DRM_MALLOC(sizeof(drm_vbl_sig_t));
- if (vbl_sig == NULL)
- return ENOMEM;
- bzero(vbl_sig, sizeof(*vbl_sig));
-
- vbl_sig->sequence = vblwait.request.sequence;
- vbl_sig->signo = vblwait.request.signal;
- vbl_sig->pid = DRM_CURRENTPID;
-
- vblwait.reply.sequence = atomic_read(&dev->vbl_received);
-
- DRM_SPINLOCK(&dev->irq_lock);
- TAILQ_INSERT_HEAD(&dev->vbl_sig_list, vbl_sig, link);
- DRM_SPINUNLOCK(&dev->irq_lock);
- ret = 0;
-#endif
- ret = EINVAL;
- } else {
- ret = DRM(vblank_wait)(dev, &vblwait.request.sequence);
-
- microtime(&now);
- vblwait.reply.tval_sec = now.tv_sec;
- vblwait.reply.tval_usec = now.tv_usec;
- }
-
- DRM_COPY_TO_USER_IOCTL( (drm_wait_vblank_t *)data, vblwait,
- sizeof(vblwait) );
-
- return ret;
-}
-
-void DRM(vbl_send_signals)(drm_device_t *dev)
-{
-}
-
-#if 0 /* disabled */
-void DRM(vbl_send_signals)( drm_device_t *dev )
-{
- drm_vbl_sig_t *vbl_sig;
- unsigned int vbl_seq = atomic_read( &dev->vbl_received );
- struct proc *p;
-
- vbl_sig = TAILQ_FIRST(&dev->vbl_sig_list);
- while (vbl_sig != NULL) {
- drm_vbl_sig_t *next = TAILQ_NEXT(vbl_sig, link);
-
- if ( ( vbl_seq - vbl_sig->sequence ) <= (1<<23) ) {
- p = pfind(vbl_sig->pid);
- if (p != NULL)
- psignal(p, vbl_sig->signo);
-
- TAILQ_REMOVE(&dev->vbl_sig_list, vbl_sig, link);
- DRM_FREE(vbl_sig,sizeof(*vbl_sig));
- }
- vbl_sig = next;
- }
-}
-#endif
-
-#endif /* __HAVE_VBL_IRQ */