diff options
Diffstat (limited to 'nouveau/nouveau_notifier.c')
| -rw-r--r-- | nouveau/nouveau_notifier.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/nouveau/nouveau_notifier.c b/nouveau/nouveau_notifier.c deleted file mode 100644 index 513fa635..00000000 --- a/nouveau/nouveau_notifier.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright 2007 Nouveau Project - * - * 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 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 - * THE AUTHORS 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. - */ - -#include <stdlib.h> -#include <errno.h> -#include <sys/time.h> - -#include "nouveau_private.h" - -#define NOTIFIER(__v) \ - struct nouveau_notifier_priv *nvnotify = nouveau_notifier(notifier); \ - volatile uint32_t *__v = (uint32_t *)((char *)nvnotify->map + (id * 32)) - -int -nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle, - int count, struct nouveau_notifier **notifier) -{ - struct nouveau_notifier_priv *nvnotify; - int ret; - - if (!chan || !notifier || *notifier) - return -EINVAL; - - nvnotify = calloc(1, sizeof(struct nouveau_notifier_priv)); - if (!nvnotify) - return -ENOMEM; - nvnotify->base.channel = chan; - nvnotify->base.handle = handle; - - nvnotify->drm.channel = chan->id; - nvnotify->drm.handle = handle; - nvnotify->drm.size = (count * 32); - if ((ret = drmCommandWriteRead(nouveau_device(chan->device)->fd, - DRM_NOUVEAU_NOTIFIEROBJ_ALLOC, - &nvnotify->drm, - sizeof(nvnotify->drm)))) { - nouveau_notifier_free((void *)&nvnotify); - return ret; - } - - nvnotify->map = (char *)nouveau_channel(chan)->notifier_bo->map + - nvnotify->drm.offset; - *notifier = &nvnotify->base; - return 0; -} - -void -nouveau_notifier_free(struct nouveau_notifier **notifier) -{ - - struct nouveau_notifier_priv *nvnotify; - struct nouveau_channel_priv *nvchan; - struct nouveau_device_priv *nvdev; - struct drm_nouveau_gpuobj_free f; - - if (!notifier || !*notifier) - return; - nvnotify = nouveau_notifier(*notifier); - *notifier = NULL; - - nvchan = nouveau_channel(nvnotify->base.channel); - nvdev = nouveau_device(nvchan->base.device); - - FIRE_RING(&nvchan->base); - - f.channel = nvchan->drm.channel; - f.handle = nvnotify->base.handle; - drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GPUOBJ_FREE, &f, sizeof(f)); - free(nvnotify); -} - -void -nouveau_notifier_reset(struct nouveau_notifier *notifier, int id) -{ - NOTIFIER(n); - - n[NV_NOTIFY_TIME_0 /4] = 0x00000000; - n[NV_NOTIFY_TIME_1 /4] = 0x00000000; - n[NV_NOTIFY_RETURN_VALUE/4] = 0x00000000; - n[NV_NOTIFY_STATE /4] = (NV_NOTIFY_STATE_STATUS_IN_PROCESS << - NV_NOTIFY_STATE_STATUS_SHIFT); -} - -uint32_t -nouveau_notifier_status(struct nouveau_notifier *notifier, int id) -{ - NOTIFIER(n); - - return n[NV_NOTIFY_STATE/4] >> NV_NOTIFY_STATE_STATUS_SHIFT; -} - -uint32_t -nouveau_notifier_return_val(struct nouveau_notifier *notifier, int id) -{ - NOTIFIER(n); - - return n[NV_NOTIFY_RETURN_VALUE/4]; -} - -static inline double -gettime(void) -{ - struct timeval tv; - - gettimeofday(&tv, NULL); - return (double)tv.tv_sec + tv.tv_usec / 1000000.0; -} - -int -nouveau_notifier_wait_status(struct nouveau_notifier *notifier, int id, - uint32_t status, double timeout) -{ - NOTIFIER(n); - double time = 0, t_start = gettime(); - - while (time <= timeout) { - uint32_t v; - - v = n[NV_NOTIFY_STATE/4] >> NV_NOTIFY_STATE_STATUS_SHIFT; - if (v == status) - return 0; - - if (timeout) - time = gettime() - t_start; - } - - return -EBUSY; -} - |