diff options
Diffstat (limited to 'nx-X11/extras/drm/bsd-core/drm_irq.c')
-rw-r--r-- | nx-X11/extras/drm/bsd-core/drm_irq.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/nx-X11/extras/drm/bsd-core/drm_irq.c b/nx-X11/extras/drm/bsd-core/drm_irq.c deleted file mode 100644 index 5f44f9183..000000000 --- a/nx-X11/extras/drm/bsd-core/drm_irq.c +++ /dev/null @@ -1,291 +0,0 @@ -/* drm_irq.c -- IRQ 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 - * ERIC ANHOLT 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> - * - */ - -#include "drmP.h" -#include "drm.h" - -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); - dev->driver.irq_handler(arg); - DRM_SPINUNLOCK(&dev->irq_lock); -} -#endif - -int drm_irq_install(drm_device_t *dev) -{ - int retcode; -#ifdef __NetBSD__ - pci_intr_handle_t ih; -#endif - - if (dev->irq == 0 || dev->dev_private == NULL) - return DRM_ERR(EINVAL); - - DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq ); - - DRM_LOCK(); - if (dev->irq_enabled) { - DRM_UNLOCK(); - return DRM_ERR(EBUSY); - } - dev->irq_enabled = 1; - - dev->context_flag = 0; - - DRM_SPININIT(dev->irq_lock, "DRM IRQ lock"); - - /* Before installing handler */ - dev->driver.irq_preinstall(dev); - DRM_UNLOCK(); - - /* 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, - dev->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__) || defined(__OpenBSD__) - if (pci_intr_map(&dev->pa, &ih) != 0) { - retcode = ENOENT; - goto err; - } - dev->irqh = pci_intr_establish(&dev->pa.pa_pc, ih, IPL_TTY, - (irqreturn_t (*)(void *))dev->irq_handler, dev); - if (!dev->irqh) { - retcode = ENOENT; - goto err; - } -#endif - - /* After installing handler */ - DRM_LOCK(); - dev->driver.irq_postinstall(dev); - DRM_UNLOCK(); - - 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; -} - -int drm_irq_uninstall(drm_device_t *dev) -{ -#ifdef __FreeBSD__ - int irqrid; -#endif - - if (!dev->irq_enabled) - return DRM_ERR(EINVAL); - - dev->irq_enabled = 0; -#ifdef __FreeBSD__ - irqrid = dev->irqrid; - dev->irqrid = 0; -#endif - - DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq ); - - dev->driver.irq_uninstall(dev); - -#ifdef __FreeBSD__ - DRM_UNLOCK(); - bus_teardown_intr(dev->device, dev->irqr, dev->irqh); - bus_release_resource(dev->device, SYS_RES_IRQ, irqrid, dev->irqr); - DRM_LOCK(); -#elif defined(__NetBSD__) || defined(__OpenBSD__) - 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: - /* Handle drivers whose DRM used to require IRQ setup but the - * no longer does. - */ - if (!dev->driver.use_irq) - return 0; - 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: - if (!dev->driver.use_irq) - return 0; - DRM_LOCK(); - err = drm_irq_uninstall(dev); - DRM_UNLOCK(); - return err; - default: - return DRM_ERR(EINVAL); - } -} - -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 = malloc(sizeof(drm_vbl_sig_t), M_DRM, - M_NOWAIT | M_ZERO); - if (vbl_sig == NULL) - return ENOMEM; - - 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 { - DRM_LOCK(); - ret = dev->driver.vblank_wait(dev, &vblwait.request.sequence); - DRM_UNLOCK(); - - 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 |