From 225e7e274f49d5e01fa1ad3fbbb9f1499865fe67 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 30 Jan 2009 11:25:35 +1000 Subject: nouveau: install libdrm_nouveau with libdrm --- libdrm/nouveau/nouveau_channel.c | 167 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 libdrm/nouveau/nouveau_channel.c (limited to 'libdrm/nouveau/nouveau_channel.c') diff --git a/libdrm/nouveau/nouveau_channel.c b/libdrm/nouveau/nouveau_channel.c new file mode 100644 index 00000000..e0fb4157 --- /dev/null +++ b/libdrm/nouveau/nouveau_channel.c @@ -0,0 +1,167 @@ +/* + * 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 +#include +#include + +#include "nouveau_private.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; + unsigned i; + int ret; + + if (!nvdev || !chan || *chan) + return -EINVAL; + + nvchan = calloc(1, sizeof(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; + } + + /* Mark all DRM-assigned subchannels as in-use */ + for (i = 0; i < nvchan->drm.nr_subchan; i++) { + struct nouveau_grobj_priv *gr = calloc(1, sizeof(*gr)); + + gr->base.bound = NOUVEAU_GROBJ_BOUND_EXPLICIT; + gr->base.subc = i; + gr->base.handle = nvchan->drm.subchan[i].handle; + gr->base.grclass = nvchan->drm.subchan[i].grclass; + gr->base.channel = &nvchan->base; + + nvchan->base.subc[i].gr = &gr->base; + } + + 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 = nouveau_grobj_alloc(&nvchan->base, 0x00000000, 0x0030, + &nvchan->base.nullobj); + if (ret) { + nouveau_channel_free((void *)&nvchan); + return ret; + } + + if (!nvdev->mm_enabled) { + 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.cmdbuf, + nvchan->drm.cmdbuf_size, (void*)&nvchan->pushbuf); + if (ret) { + nouveau_channel_free((void *)&nvchan); + return ret; + } + + nouveau_dma_channel_init(&nvchan->base); + } + + nouveau_pushbuf_init(&nvchan->base); + + if (!nvdev->mm_enabled && dev->chipset < 0x10) { + ret = nouveau_grobj_alloc(&nvchan->base, 0xbeef3904, 0x5039, + &nvchan->fence_grobj); + if (ret) { + nouveau_channel_free((void *)&nvchan); + return ret; + } + + ret = nouveau_notifier_alloc(&nvchan->base, 0xbeef3905, 1, + &nvchan->fence_ntfy); + if (ret) { + nouveau_channel_free((void *)&nvchan); + return ret; + } + + BEGIN_RING(&nvchan->base, nvchan->fence_grobj, 0x0180, 1); + OUT_RING (&nvchan->base, nvchan->fence_ntfy->handle); + nvchan->fence_grobj->bound = NOUVEAU_GROBJ_BOUND_EXPLICIT; + } + + *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(&nvchan->base); + + if (nvchan->notifier_block) + drmUnmap(nvchan->notifier_block, nvchan->drm.notifier_size); + + nouveau_grobj_free(&nvchan->base.vram); + nouveau_grobj_free(&nvchan->base.gart); + nouveau_grobj_free(&nvchan->base.nullobj); + nouveau_grobj_free(&nvchan->fence_grobj); + nouveau_notifier_free(&nvchan->fence_ntfy); + + cf.channel = nvchan->drm.channel; + drmCommandWrite(nvdev->fd, DRM_NOUVEAU_CHANNEL_FREE, &cf, sizeof(cf)); + free(nvchan); +} + + -- cgit v1.2.3