1 files changed, 0 insertions, 499 deletions

diff --git a/bsd-core/drm_irq.c b/bsd-core/drm_irq.c
deleted file mode 100644
index 2ca4275e..00000000
--- a/bsd-core/drm_irq.c
+++ /dev/null
@@ -1,499 +0,0 @@
-/*-
- * 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>
- *
- */
-
-/** @file drm_irq.c
- * Support code for handling setup/teardown of interrupt handlers and
- * handing interrupt handlers off to the drivers.
- */
-
-#include "drmP.h"
-#include "drm.h"
-
-int drm_irq_by_busid(struct drm_device *dev, void *data,
-		     struct drm_file *file_priv)
-{
-	struct drm_irq_busid *irq = data;
-
-	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);
-
-	return 0;
-}
-
-static irqreturn_t
-drm_irq_handler_wrap(DRM_IRQ_ARGS)
-{
-	struct drm_device *dev = arg;
-
-	DRM_SPINLOCK(&dev->irq_lock);
-	dev->driver->irq_handler(arg);
-	DRM_SPINUNLOCK(&dev->irq_lock);
-}
-
-static void vblank_disable_fn(void *arg)
-{
-	struct drm_device *dev = (struct drm_device *)arg;
-	int i;
-
-	if (callout_pending(&dev->vblank_disable_timer)) {
-		/* callout was reset */
-		return;
-	}
-	if (!callout_active(&dev->vblank_disable_timer)) {
-		/* callout was stopped */
-		return;
-	}
-	callout_deactivate(&dev->vblank_disable_timer);
-
-	DRM_DEBUG("vblank_disable_allowed=%d\n", dev->vblank_disable_allowed);
-	if (!dev->vblank_disable_allowed)
-		return;
-
-	for (i = 0; i < dev->num_crtcs; i++) {
-		if (atomic_read(&dev->vblank[i].refcount) == 0 &&
-		    dev->vblank[i].enabled) {
-			DRM_DEBUG("disabling vblank on crtc %d\n", i);
-			dev->vblank[i].last =
-			    dev->driver->get_vblank_counter(dev, i);
-			dev->driver->disable_vblank(dev, i);
-			dev->vblank[i].enabled = 0;
-		}
-	}
-}
-
-void drm_vblank_cleanup(struct drm_device *dev)
-{
-	unsigned long irqflags;
-
-	/* Bail if the driver didn't call drm_vblank_init() */
-	if (dev->num_crtcs == 0)
-		return;
-
-	DRM_SPINLOCK_IRQSAVE(&dev->vbl_lock, irqflags);
-	callout_stop(&dev->vblank_disable_timer);
-	DRM_SPINUNLOCK_IRQRESTORE(&dev->vbl_lock, irqflags);
-
-	callout_drain(&dev->vblank_disable_timer);
-
-	vblank_disable_fn((void *)dev);
-
-	free(dev->vblank, DRM_MEM_DRIVER);
-
-	dev->num_crtcs = 0;
-}
-
-int drm_vblank_init(struct drm_device *dev, int num_crtcs)
-{
-	int i, ret = ENOMEM;
-
-	callout_init_mtx(&dev->vblank_disable_timer, &dev->vbl_lock, 0);
-	atomic_set(&dev->vbl_signal_pending, 0);
-	dev->num_crtcs = num_crtcs;
-
-	dev->vblank = malloc(sizeof(struct drm_vblank_info) * num_crtcs,
-	    DRM_MEM_DRIVER, M_NOWAIT | M_ZERO);
-	if (!dev->vblank)
-	    goto err;
-
-	DRM_DEBUG("\n");
-
-	/* Zero per-crtc vblank stuff */
-	for (i = 0; i < num_crtcs; i++) {
-		DRM_INIT_WAITQUEUE(&dev->vblank[i].queue);
-		TAILQ_INIT(&dev->vblank[i].sigs);
-		atomic_set(&dev->vblank[i].count, 0);
-		atomic_set(&dev->vblank[i].refcount, 0);
-	}
-
-	dev->vblank_disable_allowed = 0;
-
-	return 0;
-
-err:
-	drm_vblank_cleanup(dev);
-	return ret;
-}
-
-int drm_irq_install(struct drm_device *dev)
-{
-	int retcode;
-
-	if (dev->irq == 0 || dev->dev_private == NULL)
-		return EINVAL;
-
-	DRM_DEBUG("irq=%d\n", dev->irq);
-
-	DRM_LOCK();
-	if (dev->irq_enabled) {
-		DRM_UNLOCK();
-		return EBUSY;
-	}
-	dev->irq_enabled = 1;
-
-	dev->context_flag = 0;
-
-	/* Before installing handler */
-	dev->driver->irq_preinstall(dev);
-	DRM_UNLOCK();
-
-	/* Install handler */
-#if __FreeBSD_version >= 700031
-	retcode = bus_setup_intr(dev->device, dev->irqr,
-				 INTR_TYPE_TTY | INTR_MPSAFE,
-				 NULL, drm_irq_handler_wrap, 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;
-
-	/* After installing handler */
-	DRM_LOCK();
-	dev->driver->irq_postinstall(dev);
-	DRM_UNLOCK();
-
-	return 0;
-err:
-	DRM_LOCK();
-	dev->irq_enabled = 0;
-	DRM_UNLOCK();
-
-	return retcode;
-}
-
-int drm_irq_uninstall(struct drm_device *dev)
-{
-	if (!dev->irq_enabled)
-		return EINVAL;
-
-	dev->irq_enabled = 0;
-
-	DRM_DEBUG("irq=%d\n", dev->irq);
-
-	dev->driver->irq_uninstall(dev);
-
-	DRM_UNLOCK();
-	bus_teardown_intr(dev->device, dev->irqr, dev->irqh);
-	DRM_LOCK();
-
-	return 0;
-}
-
-int drm_control(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_control *ctl = data;
-	int err;
-
-	switch (ctl->func) {
-	case DRM_INST_HANDLER:
-		/* Handle drivers whose DRM used to require IRQ setup but the
-		 * no longer does.
-		 */
-		if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-			return 0;
-		if (dev->if_version < DRM_IF_VERSION(1, 2) &&
-		    ctl->irq != dev->irq)
-			return EINVAL;
-		return drm_irq_install(dev);
-	case DRM_UNINST_HANDLER:
-		if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-			return 0;
-		DRM_LOCK();
-		err = drm_irq_uninstall(dev);
-		DRM_UNLOCK();
-		return err;
-	default:
-		return EINVAL;
-	}
-}
-
-u32 drm_vblank_count(struct drm_device *dev, int crtc)
-{
-	return atomic_read(&dev->vblank[crtc].count);
-}
-
-static void drm_update_vblank_count(struct drm_device *dev, int crtc)
-{
-	u32 cur_vblank, diff;
-
-	/*
-	 * Interrupts were disabled prior to this call, so deal with counter
-	 * wrap if needed.
-	 * NOTE!  It's possible we lost a full dev->max_vblank_count events
-	 * here if the register is small or we had vblank interrupts off for
-	 * a long time.
-	 */
-	cur_vblank = dev->driver->get_vblank_counter(dev, crtc);
-	diff = cur_vblank - dev->vblank[crtc].last;
-	if (cur_vblank < dev->vblank[crtc].last) {
-		diff += dev->max_vblank_count;
-
-		DRM_DEBUG("vblank[%d].last=0x%x, cur_vblank=0x%x => diff=0x%x\n",
-		    crtc, dev->vblank[crtc].last, cur_vblank, diff);
-	}
-
-	DRM_DEBUG("enabling vblank interrupts on crtc %d, missed %d\n",
-	    crtc, diff);
-
-	atomic_add(diff, &dev->vblank[crtc].count);
-}
-
-int drm_vblank_get(struct drm_device *dev, int crtc)
-{
-	unsigned long irqflags;
-	int ret = 0;
-
-	DRM_SPINLOCK_IRQSAVE(&dev->vbl_lock, irqflags);
-	/* Going from 0->1 means we have to enable interrupts again */
-	atomic_add_acq_int(&dev->vblank[crtc].refcount, 1);
-	DRM_DEBUG("vblank refcount = %d\n", dev->vblank[crtc].refcount);
-	if (dev->vblank[crtc].refcount == 1 &&
-	    !dev->vblank[crtc].enabled) {
-		ret = dev->driver->enable_vblank(dev, crtc);
-		if (ret)
-			atomic_dec(&dev->vblank[crtc].refcount);
-		else {
-			dev->vblank[crtc].enabled = 1;
-			drm_update_vblank_count(dev, crtc);
-		}
-	}
-	DRM_SPINUNLOCK_IRQRESTORE(&dev->vbl_lock, irqflags);
-
-	return ret;
-}
-
-void drm_vblank_put(struct drm_device *dev, int crtc)
-{
-	unsigned long irqflags;
-
-	DRM_SPINLOCK_IRQSAVE(&dev->vbl_lock, irqflags);
-	/* Last user schedules interrupt disable */
-	atomic_subtract_acq_int(&dev->vblank[crtc].refcount, 1);
-	DRM_DEBUG("vblank refcount = %d\n", dev->vblank[crtc].refcount);
-	if (dev->vblank[crtc].refcount == 0)
-	    callout_reset(&dev->vblank_disable_timer, 5 * DRM_HZ,
-		(timeout_t *)vblank_disable_fn, (void *)dev);
-	DRM_SPINUNLOCK_IRQRESTORE(&dev->vbl_lock, irqflags);
-}
-
-int drm_modeset_ctl(struct drm_device *dev, void *data,
-		    struct drm_file *file_priv)
-{
-	struct drm_modeset_ctl *modeset = data;
-	unsigned long irqflags;
-	int crtc, ret = 0;
-
-	DRM_DEBUG("num_crtcs=%d\n", dev->num_crtcs);
-	/* If drm_vblank_init() hasn't been called yet, just no-op */
-	if (!dev->num_crtcs)
-		goto out;
-
-	crtc = modeset->crtc;
-	DRM_DEBUG("crtc=%d\n", crtc);
-	if (crtc >= dev->num_crtcs) {
-		ret = EINVAL;
-		goto out;
-	}
-
-	/*
-	 * To avoid all the problems that might happen if interrupts
-	 * were enabled/disabled around or between these calls, we just
-	 * have the kernel take a reference on the CRTC (just once though
-	 * to avoid corrupting the count if multiple, mismatch calls occur),
-	 * so that interrupts remain enabled in the interim.
-	 */
-	switch (modeset->cmd) {
-	case _DRM_PRE_MODESET:
-		DRM_DEBUG("pre-modeset\n");
-		if (!dev->vblank[crtc].inmodeset) {
-			dev->vblank[crtc].inmodeset = 1;
-			drm_vblank_get(dev, crtc);
-		}
-		break;
-	case _DRM_POST_MODESET:
-		DRM_DEBUG("post-modeset\n");
-		if (dev->vblank[crtc].inmodeset) {
-			DRM_SPINLOCK_IRQSAVE(&dev->vbl_lock, irqflags);
-			dev->vblank_disable_allowed = 1;
-			dev->vblank[crtc].inmodeset = 0;
-			DRM_SPINUNLOCK_IRQRESTORE(&dev->vbl_lock, irqflags);
-			drm_vblank_put(dev, crtc);
-		}
-		break;
-	default:
-		ret = EINVAL;
-		break;
-	}
-
-out:
-	return ret;
-}
-
-int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	union drm_wait_vblank *vblwait = data;
-	unsigned int flags, seq, crtc;
-	int ret = 0;
-
-	if (!dev->irq_enabled)
-		return EINVAL;
-
-	if (vblwait->request.type &
-	    ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)) {
-		DRM_ERROR("Unsupported type value 0x%x, supported mask 0x%x\n",
-		    vblwait->request.type,
-		    (_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK));
-		return EINVAL;
-	}
-
-	flags = vblwait->request.type & _DRM_VBLANK_FLAGS_MASK;
-	crtc = flags & _DRM_VBLANK_SECONDARY ? 1 : 0;
-
-	if (crtc >= dev->num_crtcs)
-		return EINVAL;
-
-	ret = drm_vblank_get(dev, crtc);
-	if (ret) {
-		DRM_ERROR("failed to acquire vblank counter, %d\n", ret);
-		return ret;
-	}
-	seq = drm_vblank_count(dev, crtc);
-
-	switch (vblwait->request.type & _DRM_VBLANK_TYPES_MASK) {
-	case _DRM_VBLANK_RELATIVE:
-		vblwait->request.sequence += seq;
-		vblwait->request.type &= ~_DRM_VBLANK_RELATIVE;
-	case _DRM_VBLANK_ABSOLUTE:
-		break;
-	default:
-		ret = EINVAL;
-		goto done;
-	}
-
-	if ((flags & _DRM_VBLANK_NEXTONMISS) &&
-	    (seq - vblwait->request.sequence) <= (1<<23)) {
-		vblwait->request.sequence = seq + 1;
-	}
-
-	if (flags & _DRM_VBLANK_SIGNAL) {
-#if 0 /* disabled */
-		drm_vbl_sig_t *vbl_sig = malloc(sizeof(drm_vbl_sig_t),
-		    DRM_MEM_DRIVER, 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->vbl_lock);
-		TAILQ_INSERT_HEAD(&dev->vbl_sig_list, vbl_sig, link);
-		DRM_SPINUNLOCK(&dev->vbl_lock);
-		ret = 0;
-#endif
-		ret = EINVAL;
-	} else {
-		DRM_DEBUG("waiting on vblank count %d, crtc %d\n",
-		    vblwait->request.sequence, crtc);
-		for ( ret = 0 ; !ret && !((drm_vblank_count(dev, crtc) -
-		    vblwait->request.sequence) <= (1 << 23)) ; ) {
-			mtx_lock(&dev->irq_lock);
-			if (!((drm_vblank_count(dev, crtc) -
-			    vblwait->request.sequence) <= (1 << 23)))
-				ret = mtx_sleep(&dev->vblank[crtc].queue,
-				    &dev->irq_lock, PCATCH, "vblwtq",
-				    3 * DRM_HZ);
-			mtx_unlock(&dev->irq_lock);
-		}
-
-		DRM_DEBUG("return = %d\n", ret);
-		if (ret != EINTR) {
-			struct timeval now;
-
-			microtime(&now);
-			vblwait->reply.tval_sec = now.tv_sec;
-			vblwait->reply.tval_usec = now.tv_usec;
-			vblwait->reply.sequence = drm_vblank_count(dev, crtc);
-			DRM_DEBUG("returning %d to client\n",
-			    vblwait->reply.sequence);
-		} else {
-			DRM_DEBUG("vblank wait interrupted by signal\n");
-		}
-	}
-
-done:
-	drm_vblank_put(dev, crtc);
-	return ret;
-}
-
-void drm_vbl_send_signals(struct drm_device *dev, int crtc)
-{
-}
-
-#if 0 /* disabled */
-void drm_vbl_send_signals(struct drm_device *dev, int crtc )
-{
-	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
-
-void drm_handle_vblank(struct drm_device *dev, int crtc)
-{
-	atomic_inc(&dev->vblank[crtc].count);
-	DRM_WAKEUP(&dev->vblank[crtc].queue);
-	drm_vbl_send_signals(dev, crtc);
-}
-