diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c deleted file mode 100644 index 05a278bab247..000000000000 --- a/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c +++ /dev/null @@ -1,220 +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 <core/gpuobj.h> - -#include <subdev/timer.h> -#include <subdev/fb.h> -#include <subdev/vm.h> - -#include "priv.h" - -struct nvc0_bar_priv_vm { - struct nouveau_gpuobj *mem; - struct nouveau_gpuobj *pgd; - struct nouveau_vm *vm; -}; - -struct nvc0_bar_priv { - struct nouveau_bar base; - spinlock_t lock; - struct nvc0_bar_priv_vm bar[2]; -}; - -static int -nvc0_bar_kmap(struct nouveau_bar *bar, struct nouveau_mem *mem, - u32 flags, struct nouveau_vma *vma) -{ - struct nvc0_bar_priv *priv = (void *)bar; - int ret; - - ret = nouveau_vm_get(priv->bar[0].vm, mem->size << 12, 12, flags, vma); - if (ret) - return ret; - - nouveau_vm_map(vma, mem); - return 0; -} - -static int -nvc0_bar_umap(struct nouveau_bar *bar, struct nouveau_mem *mem, - u32 flags, struct nouveau_vma *vma) -{ - struct nvc0_bar_priv *priv = (void *)bar; - int ret; - - ret = nouveau_vm_get(priv->bar[1].vm, mem->size << 12, - mem->page_shift, flags, vma); - if (ret) - return ret; - - nouveau_vm_map(vma, mem); - return 0; -} - -static void -nvc0_bar_unmap(struct nouveau_bar *bar, struct nouveau_vma *vma) -{ - nouveau_vm_unmap(vma); - nouveau_vm_put(vma); -} - -static int -nvc0_bar_init_vm(struct nvc0_bar_priv *priv, struct nvc0_bar_priv_vm *bar_vm, - int bar_nr) -{ - struct nouveau_device *device = nv_device(&priv->base); - struct nouveau_vm *vm; - resource_size_t bar_len; - int ret; - - ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x1000, 0, 0, - &bar_vm->mem); - if (ret) - return ret; - - ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x8000, 0, 0, - &bar_vm->pgd); - if (ret) - return ret; - - bar_len = nv_device_resource_len(device, bar_nr); - - ret = nouveau_vm_new(device, 0, bar_len, 0, &vm); - if (ret) - return ret; - - atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]); - - /* - * Bootstrap page table lookup. - */ - if (bar_nr == 3) { - ret = nouveau_gpuobj_new(nv_object(priv), NULL, - (bar_len >> 12) * 8, 0x1000, - NVOBJ_FLAG_ZERO_ALLOC, - &vm->pgt[0].obj[0]); - vm->pgt[0].refcount[0] = 1; - if (ret) - return ret; - } - - ret = nouveau_vm_ref(vm, &bar_vm->vm, bar_vm->pgd); - nouveau_vm_ref(NULL, &vm, NULL); - if (ret) - return ret; - - nv_wo32(bar_vm->mem, 0x0200, lower_32_bits(bar_vm->pgd->addr)); - nv_wo32(bar_vm->mem, 0x0204, upper_32_bits(bar_vm->pgd->addr)); - nv_wo32(bar_vm->mem, 0x0208, lower_32_bits(bar_len - 1)); - nv_wo32(bar_vm->mem, 0x020c, upper_32_bits(bar_len - 1)); - - return 0; -} - -int -nvc0_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nouveau_device *device = nv_device(parent); - struct nvc0_bar_priv *priv; - bool has_bar3 = nv_device_resource_len(device, 3) != 0; - int ret; - - ret = nouveau_bar_create(parent, engine, oclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - /* BAR3 */ - if (has_bar3) { - ret = nvc0_bar_init_vm(priv, &priv->bar[0], 3); - if (ret) - return ret; - priv->base.alloc = nouveau_bar_alloc; - priv->base.kmap = nvc0_bar_kmap; - } - - /* BAR1 */ - ret = nvc0_bar_init_vm(priv, &priv->bar[1], 1); - if (ret) - return ret; - - priv->base.umap = nvc0_bar_umap; - priv->base.unmap = nvc0_bar_unmap; - priv->base.flush = nv84_bar_flush; - spin_lock_init(&priv->lock); - return 0; -} - -void -nvc0_bar_dtor(struct nouveau_object *object) -{ - struct nvc0_bar_priv *priv = (void *)object; - - nouveau_vm_ref(NULL, &priv->bar[1].vm, priv->bar[1].pgd); - nouveau_gpuobj_ref(NULL, &priv->bar[1].pgd); - nouveau_gpuobj_ref(NULL, &priv->bar[1].mem); - - if (priv->bar[0].vm) { - nouveau_gpuobj_ref(NULL, &priv->bar[0].vm->pgt[0].obj[0]); - nouveau_vm_ref(NULL, &priv->bar[0].vm, priv->bar[0].pgd); - } - nouveau_gpuobj_ref(NULL, &priv->bar[0].pgd); - nouveau_gpuobj_ref(NULL, &priv->bar[0].mem); - - nouveau_bar_destroy(&priv->base); -} - -int -nvc0_bar_init(struct nouveau_object *object) -{ - struct nvc0_bar_priv *priv = (void *)object; - int ret; - - ret = nouveau_bar_init(&priv->base); - if (ret) - return ret; - - nv_mask(priv, 0x000200, 0x00000100, 0x00000000); - nv_mask(priv, 0x000200, 0x00000100, 0x00000100); - - nv_wr32(priv, 0x001704, 0x80000000 | priv->bar[1].mem->addr >> 12); - if (priv->bar[0].mem) - nv_wr32(priv, 0x001714, - 0xc0000000 | priv->bar[0].mem->addr >> 12); - return 0; -} - -struct nouveau_oclass -nvc0_bar_oclass = { - .handle = NV_SUBDEV(BAR, 0xc0), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nvc0_bar_ctor, - .dtor = nvc0_bar_dtor, - .init = nvc0_bar_init, - .fini = _nouveau_bar_fini, - }, -}; |