diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/dmaobj/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/dmaobj/base.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dmaobj/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/dmaobj/base.c deleted file mode 100644 index a2b60d86baba..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/engine/dmaobj/base.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * 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. - * - * Authors: Ben Skeggs - */ -#include "priv.h" - -#include <core/client.h> -#include <core/device.h> -#include <subdev/fb.h> -#include <subdev/instmem.h> - -#include <nvif/class.h> -#include <nvif/unpack.h> - -static int -nvkm_dmaobj_bind(struct nvkm_dmaobj *dmaobj, struct nvkm_object *parent, - struct nvkm_gpuobj **pgpuobj) -{ - const struct nvkm_dmaeng_impl *impl = (void *) - nv_oclass(nv_object(dmaobj)->engine); - int ret = 0; - - if (nv_object(dmaobj) == parent) { /* ctor bind */ - if (nv_mclass(parent->parent) == NV_DEVICE) { - /* delayed, or no, binding */ - return 0; - } - ret = impl->bind(dmaobj, parent, pgpuobj); - if (ret == 0) - nvkm_object_ref(NULL, &parent); - return ret; - } - - return impl->bind(dmaobj, parent, pgpuobj); -} - -int -nvkm_dmaobj_create_(struct nvkm_object *parent, - struct nvkm_object *engine, - struct nvkm_oclass *oclass, void **pdata, u32 *psize, - int length, void **pobject) -{ - union { - struct nv_dma_v0 v0; - } *args = *pdata; - struct nvkm_instmem *instmem = nvkm_instmem(parent); - struct nvkm_client *client = nvkm_client(parent); - struct nvkm_device *device = nv_device(parent); - struct nvkm_fb *pfb = nvkm_fb(parent); - struct nvkm_dmaobj *dmaobj; - void *data = *pdata; - u32 size = *psize; - int ret; - - ret = nvkm_object_create_(parent, engine, oclass, 0, length, pobject); - dmaobj = *pobject; - if (ret) - return ret; - - nv_ioctl(parent, "create dma size %d\n", *psize); - if (nvif_unpack(args->v0, 0, 0, true)) { - nv_ioctl(parent, "create dma vers %d target %d access %d " - "start %016llx limit %016llx\n", - args->v0.version, args->v0.target, args->v0.access, - args->v0.start, args->v0.limit); - dmaobj->target = args->v0.target; - dmaobj->access = args->v0.access; - dmaobj->start = args->v0.start; - dmaobj->limit = args->v0.limit; - } else - return ret; - - *pdata = data; - *psize = size; - - if (dmaobj->start > dmaobj->limit) - return -EINVAL; - - switch (dmaobj->target) { - case NV_DMA_V0_TARGET_VM: - dmaobj->target = NV_MEM_TARGET_VM; - break; - case NV_DMA_V0_TARGET_VRAM: - if (!client->super) { - if (dmaobj->limit >= pfb->ram->size - instmem->reserved) - return -EACCES; - if (device->card_type >= NV_50) - return -EACCES; - } - dmaobj->target = NV_MEM_TARGET_VRAM; - break; - case NV_DMA_V0_TARGET_PCI: - if (!client->super) - return -EACCES; - dmaobj->target = NV_MEM_TARGET_PCI; - break; - case NV_DMA_V0_TARGET_PCI_US: - case NV_DMA_V0_TARGET_AGP: - if (!client->super) - return -EACCES; - dmaobj->target = NV_MEM_TARGET_PCI_NOSNOOP; - break; - default: - return -EINVAL; - } - - switch (dmaobj->access) { - case NV_DMA_V0_ACCESS_VM: - dmaobj->access = NV_MEM_ACCESS_VM; - break; - case NV_DMA_V0_ACCESS_RD: - dmaobj->access = NV_MEM_ACCESS_RO; - break; - case NV_DMA_V0_ACCESS_WR: - dmaobj->access = NV_MEM_ACCESS_WO; - break; - case NV_DMA_V0_ACCESS_RDWR: - dmaobj->access = NV_MEM_ACCESS_RW; - break; - default: - return -EINVAL; - } - - return ret; -} - -int -_nvkm_dmaeng_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) -{ - const struct nvkm_dmaeng_impl *impl = (void *)oclass; - struct nvkm_dmaeng *dmaeng; - int ret; - - ret = nvkm_engine_create(parent, engine, oclass, true, "DMAOBJ", - "dmaobj", &dmaeng); - *pobject = nv_object(dmaeng); - if (ret) - return ret; - - nv_engine(dmaeng)->sclass = impl->sclass; - dmaeng->bind = nvkm_dmaobj_bind; - return 0; -} |