diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_abi16.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_abi16.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c new file mode 100644 index 00000000000..ff23d88880e --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -0,0 +1,245 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 "drmP.h" + +#include "nouveau_drv.h" +#include "nouveau_dma.h" +#include "nouveau_abi16.h" +#include "nouveau_ramht.h" +#include "nouveau_software.h" + +int +nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct drm_nouveau_getparam *getparam = data; + + switch (getparam->param) { + case NOUVEAU_GETPARAM_CHIPSET_ID: + getparam->value = dev_priv->chipset; + break; + case NOUVEAU_GETPARAM_PCI_VENDOR: + getparam->value = dev->pci_vendor; + break; + case NOUVEAU_GETPARAM_PCI_DEVICE: + getparam->value = dev->pci_device; + break; + case NOUVEAU_GETPARAM_BUS_TYPE: + if (drm_pci_device_is_agp(dev)) + getparam->value = 0; + else + if (!pci_is_pcie(dev->pdev)) + getparam->value = 1; + else + getparam->value = 2; + break; + case NOUVEAU_GETPARAM_FB_SIZE: + getparam->value = dev_priv->fb_available_size; + break; + case NOUVEAU_GETPARAM_AGP_SIZE: + getparam->value = dev_priv->gart_info.aper_size; + break; + case NOUVEAU_GETPARAM_VM_VRAM_BASE: + getparam->value = 0; /* deprecated */ + break; + case NOUVEAU_GETPARAM_PTIMER_TIME: + getparam->value = dev_priv->engine.timer.read(dev); + break; + case NOUVEAU_GETPARAM_HAS_BO_USAGE: + getparam->value = 1; + break; + case NOUVEAU_GETPARAM_HAS_PAGEFLIP: + getparam->value = 1; + break; + case NOUVEAU_GETPARAM_GRAPH_UNITS: + /* NV40 and NV50 versions are quite different, but register + * address is the same. User is supposed to know the card + * family anyway... */ + if (dev_priv->chipset >= 0x40) { + getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS); + break; + } + /* FALLTHRU */ + default: + NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param); + return -EINVAL; + } + + return 0; +} + +int +nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) +{ + return -EINVAL; +} + +int +nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct drm_nouveau_channel_alloc *init = data; + struct nouveau_channel *chan; + int ret; + + if (!dev_priv->eng[NVOBJ_ENGINE_GR]) + return -ENODEV; + + if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) + return -EINVAL; + + ret = nouveau_channel_alloc(dev, &chan, file_priv, + init->fb_ctxdma_handle, + init->tt_ctxdma_handle); + if (ret) + return ret; + init->channel = chan->id; + + if (nouveau_vram_pushbuf == 0) { + if (chan->dma.ib_max) + init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | + NOUVEAU_GEM_DOMAIN_GART; + else if (chan->pushbuf_bo->bo.mem.mem_type == TTM_PL_VRAM) + init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; + else + init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; + } else { + init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; + } + + if (dev_priv->card_type < NV_C0) { + init->subchan[0].handle = 0x00000000; + init->subchan[0].grclass = 0x0000; + init->subchan[1].handle = NvSw; + init->subchan[1].grclass = NV_SW; + init->nr_subchan = 2; + } + + /* Named memory object area */ + ret = drm_gem_handle_create(file_priv, chan->notifier_bo->gem, + &init->notifier_handle); + + if (ret == 0) + atomic_inc(&chan->users); /* userspace reference */ + nouveau_channel_put(&chan); + return ret; +} + +int +nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) +{ + struct drm_nouveau_channel_free *req = data; + struct nouveau_channel *chan; + + chan = nouveau_channel_get(file_priv, req->channel); + if (IS_ERR(chan)) + return PTR_ERR(chan); + + list_del(&chan->list); + atomic_dec(&chan->users); + nouveau_channel_put(&chan); + return 0; +} + +int +nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) +{ + struct drm_nouveau_grobj_alloc *init = data; + struct nouveau_channel *chan; + int ret; + + if (init->handle == ~0) + return -EINVAL; + + /* compatibility with userspace that assumes 506e for all chipsets */ + if (init->class == 0x506e) { + init->class = nouveau_software_class(dev); + if (init->class == 0x906e) + return 0; + } else + if (init->class == 0x906e) { + NV_ERROR(dev, "906e not supported yet\n"); + return -EINVAL; + } + + chan = nouveau_channel_get(file_priv, init->channel); + if (IS_ERR(chan)) + return PTR_ERR(chan); + + if (nouveau_ramht_find(chan, init->handle)) { + ret = -EEXIST; + goto out; + } + + ret = nouveau_gpuobj_gr_new(chan, init->handle, init->class); + if (ret) { + NV_ERROR(dev, "Error creating object: %d (%d/0x%08x)\n", + ret, init->channel, init->handle); + } + +out: + nouveau_channel_put(&chan); + return ret; +} + +int +nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct drm_nouveau_notifierobj_alloc *na = data; + struct nouveau_channel *chan; + int ret; + + /* completely unnecessary for these chipsets... */ + if (unlikely(dev_priv->card_type >= NV_C0)) + return -EINVAL; + + chan = nouveau_channel_get(file_priv, na->channel); + if (IS_ERR(chan)) + return PTR_ERR(chan); + + ret = nouveau_notifier_alloc(chan, na->handle, na->size, 0, 0x1000, + &na->offset); + nouveau_channel_put(&chan); + return ret; +} + +int +nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) +{ + struct drm_nouveau_gpuobj_free *objfree = data; + struct nouveau_channel *chan; + int ret; + + chan = nouveau_channel_get(file_priv, objfree->channel); + if (IS_ERR(chan)) + return PTR_ERR(chan); + + /* Synchronize with the user channel */ + nouveau_channel_idle(chan); + + ret = nouveau_ramht_remove(chan, objfree->handle); + nouveau_channel_put(&chan); + return ret; +} |