diff options
Diffstat (limited to 'src/gallium/winsys/drm/nouveau/common/nouveau_channel.c')
-rw-r--r-- | src/gallium/winsys/drm/nouveau/common/nouveau_channel.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_channel.c b/src/gallium/winsys/drm/nouveau/common/nouveau_channel.c deleted file mode 100644 index b7298131c1d..00000000000 --- a/src/gallium/winsys/drm/nouveau/common/nouveau_channel.c +++ /dev/null @@ -1,126 +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 <string.h> -#include <errno.h> -#include <util/u_memory.h> -#include "nouveau_drmif.h" -#include "nouveau_dma.h" - -int -nouveau_channel_alloc(struct nouveau_device *dev, uint32_t fb_ctxdma, - uint32_t tt_ctxdma, struct nouveau_channel **chan) -{ - struct nouveau_device_priv *nvdev = nouveau_device(dev); - struct nouveau_channel_priv *nvchan; - int ret; - - if (!nvdev || !chan || *chan) - return -EINVAL; - - nvchan = CALLOC_STRUCT(nouveau_channel_priv); - if (!nvchan) - return -ENOMEM; - nvchan->base.device = dev; - - nvchan->drm.fb_ctxdma_handle = fb_ctxdma; - nvchan->drm.tt_ctxdma_handle = tt_ctxdma; - ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_CHANNEL_ALLOC, - &nvchan->drm, sizeof(nvchan->drm)); - if (ret) { - FREE(nvchan); - return ret; - } - - nvchan->base.id = nvchan->drm.channel; - if (nouveau_grobj_ref(&nvchan->base, nvchan->drm.fb_ctxdma_handle, - &nvchan->base.vram) || - nouveau_grobj_ref(&nvchan->base, nvchan->drm.tt_ctxdma_handle, - &nvchan->base.gart)) { - nouveau_channel_free((void *)&nvchan); - return -EINVAL; - } - - ret = drmMap(nvdev->fd, nvchan->drm.ctrl, nvchan->drm.ctrl_size, - (void*)&nvchan->user); - if (ret) { - nouveau_channel_free((void *)&nvchan); - return ret; - } - nvchan->put = &nvchan->user[0x40/4]; - nvchan->get = &nvchan->user[0x44/4]; - nvchan->ref_cnt = &nvchan->user[0x48/4]; - - ret = drmMap(nvdev->fd, nvchan->drm.notifier, nvchan->drm.notifier_size, - (drmAddressPtr)&nvchan->notifier_block); - if (ret) { - nouveau_channel_free((void *)&nvchan); - return ret; - } - - ret = drmMap(nvdev->fd, nvchan->drm.cmdbuf, nvchan->drm.cmdbuf_size, - (void*)&nvchan->pushbuf); - if (ret) { - nouveau_channel_free((void *)&nvchan); - return ret; - } - - ret = nouveau_grobj_alloc(&nvchan->base, 0x00000000, 0x0030, - &nvchan->base.nullobj); - if (ret) { - nouveau_channel_free((void *)&nvchan); - return ret; - } - - nouveau_dma_channel_init(&nvchan->base); - nouveau_pushbuf_init(&nvchan->base); - - *chan = &nvchan->base; - return 0; -} - -void -nouveau_channel_free(struct nouveau_channel **chan) -{ - struct nouveau_channel_priv *nvchan; - struct nouveau_device_priv *nvdev; - struct drm_nouveau_channel_free cf; - - if (!chan || !*chan) - return; - nvchan = nouveau_channel(*chan); - *chan = NULL; - nvdev = nouveau_device(nvchan->base.device); - - FIRE_RING_CH(&nvchan->base); - - nouveau_grobj_free(&nvchan->base.vram); - nouveau_grobj_free(&nvchan->base.gart); - nouveau_grobj_free(&nvchan->base.nullobj); - - FREE(nvchan->pb.buffers); - FREE(nvchan->pb.relocs); - cf.channel = nvchan->drm.channel; - drmCommandWrite(nvdev->fd, DRM_NOUVEAU_CHANNEL_FREE, &cf, sizeof(cf)); - FREE(nvchan); -} |