diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c deleted file mode 100644 index 2d0988755530..000000000000 --- a/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Copyright 2010 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/device.h> -#include <core/gpuobj.h> - -#include <subdev/timer.h> -#include <subdev/fb.h> -#include <subdev/vm.h> -#include <subdev/ltc.h> -#include <subdev/bar.h> - -struct nvc0_vmmgr_priv { - struct nouveau_vmmgr base; -}; - - -/* Map from compressed to corresponding uncompressed storage type. - * The value 0xff represents an invalid storage type. - */ -const u8 nvc0_pte_storage_type_map[256] = -{ - 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0xff, 0x01, /* 0x00 */ - 0x01, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff, 0x11, /* 0x10 */ - 0x11, 0x11, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x26, 0x27, /* 0x20 */ - 0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x30 */ - 0xff, 0xff, 0x26, 0x27, 0x28, 0x29, 0x26, 0x27, - 0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0x46, 0xff, /* 0x40 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0x46, 0x46, 0x46, 0x46, 0xff, 0xff, 0xff, /* 0x50 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x60 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x70 */ - 0xff, 0xff, 0xff, 0x7b, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7b, 0x7b, /* 0x80 */ - 0x7b, 0x7b, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x90 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xa7, /* 0xa0 */ - 0xa8, 0xa9, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xb0 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xa7, - 0xa8, 0xa9, 0xaa, 0xc3, 0xff, 0xff, 0xff, 0xff, /* 0xc0 */ - 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xc3, 0xc3, - 0xc3, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xd0 */ - 0xfe, 0xff, 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe, - 0xfe, 0xff, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xff, /* 0xe0 */ - 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe, 0xfe, 0xff, - 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, /* 0xf0 */ - 0xfe, 0xfe, 0xfe, 0xfe, 0xff, 0xfd, 0xfe, 0xff -}; - - -static void -nvc0_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 index, - struct nouveau_gpuobj *pgt[2]) -{ - u32 pde[2] = { 0, 0 }; - - if (pgt[0]) - pde[1] = 0x00000001 | (pgt[0]->addr >> 8); - if (pgt[1]) - pde[0] = 0x00000001 | (pgt[1]->addr >> 8); - - nv_wo32(pgd, (index * 8) + 0, pde[0]); - nv_wo32(pgd, (index * 8) + 4, pde[1]); -} - -static inline u64 -nvc0_vm_addr(struct nouveau_vma *vma, u64 phys, u32 memtype, u32 target) -{ - phys >>= 8; - - phys |= 0x00000001; /* present */ - if (vma->access & NV_MEM_ACCESS_SYS) - phys |= 0x00000002; - - phys |= ((u64)target << 32); - phys |= ((u64)memtype << 36); - - return phys; -} - -static void -nvc0_vm_map(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt, - struct nouveau_mem *mem, u32 pte, u32 cnt, u64 phys, u64 delta) -{ - u64 next = 1 << (vma->node->type - 8); - - phys = nvc0_vm_addr(vma, phys, mem->memtype, 0); - pte <<= 3; - - if (mem->tag) { - struct nouveau_ltc *ltc = - nouveau_ltc(vma->vm->vmm->base.base.parent); - u32 tag = mem->tag->offset + (delta >> 17); - phys |= (u64)tag << (32 + 12); - next |= (u64)1 << (32 + 12); - ltc->tags_clear(ltc, tag, cnt); - } - - while (cnt--) { - nv_wo32(pgt, pte + 0, lower_32_bits(phys)); - nv_wo32(pgt, pte + 4, upper_32_bits(phys)); - phys += next; - pte += 8; - } -} - -static void -nvc0_vm_map_sg(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt, - struct nouveau_mem *mem, u32 pte, u32 cnt, dma_addr_t *list) -{ - u32 target = (vma->access & NV_MEM_ACCESS_NOSNOOP) ? 7 : 5; - /* compressed storage types are invalid for system memory */ - u32 memtype = nvc0_pte_storage_type_map[mem->memtype & 0xff]; - - pte <<= 3; - while (cnt--) { - u64 phys = nvc0_vm_addr(vma, *list++, memtype, target); - nv_wo32(pgt, pte + 0, lower_32_bits(phys)); - nv_wo32(pgt, pte + 4, upper_32_bits(phys)); - pte += 8; - } -} - -static void -nvc0_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt) -{ - pte <<= 3; - while (cnt--) { - nv_wo32(pgt, pte + 0, 0x00000000); - nv_wo32(pgt, pte + 4, 0x00000000); - pte += 8; - } -} - -static void -nvc0_vm_flush(struct nouveau_vm *vm) -{ - struct nvc0_vmmgr_priv *priv = (void *)vm->vmm; - struct nouveau_bar *bar = nouveau_bar(priv); - struct nouveau_vm_pgd *vpgd; - u32 type; - - bar->flush(bar); - - type = 0x00000001; /* PAGE_ALL */ - if (atomic_read(&vm->engref[NVDEV_SUBDEV_BAR])) - type |= 0x00000004; /* HUB_ONLY */ - - mutex_lock(&nv_subdev(priv)->mutex); - list_for_each_entry(vpgd, &vm->pgd_list, head) { - /* looks like maybe a "free flush slots" counter, the - * faster you write to 0x100cbc to more it decreases - */ - if (!nv_wait_ne(priv, 0x100c80, 0x00ff0000, 0x00000000)) { - nv_error(priv, "vm timeout 0: 0x%08x %d\n", - nv_rd32(priv, 0x100c80), type); - } - - nv_wr32(priv, 0x100cb8, vpgd->obj->addr >> 8); - nv_wr32(priv, 0x100cbc, 0x80000000 | type); - - /* wait for flush to be queued? */ - if (!nv_wait(priv, 0x100c80, 0x00008000, 0x00008000)) { - nv_error(priv, "vm timeout 1: 0x%08x %d\n", - nv_rd32(priv, 0x100c80), type); - } - } - mutex_unlock(&nv_subdev(priv)->mutex); -} - -static int -nvc0_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length, - u64 mm_offset, struct nouveau_vm **pvm) -{ - return nouveau_vm_create(vmm, offset, length, mm_offset, 4096, pvm); -} - -static int -nvc0_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nvc0_vmmgr_priv *priv; - int ret; - - ret = nouveau_vmmgr_create(parent, engine, oclass, "VM", "vm", &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - priv->base.limit = 1ULL << 40; - priv->base.dma_bits = 40; - priv->base.pgt_bits = 27 - 12; - priv->base.spg_shift = 12; - priv->base.lpg_shift = 17; - priv->base.create = nvc0_vm_create; - priv->base.map_pgt = nvc0_vm_map_pgt; - priv->base.map = nvc0_vm_map; - priv->base.map_sg = nvc0_vm_map_sg; - priv->base.unmap = nvc0_vm_unmap; - priv->base.flush = nvc0_vm_flush; - return 0; -} - -struct nouveau_oclass -nvc0_vmmgr_oclass = { - .handle = NV_SUBDEV(VM, 0xc0), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nvc0_vmmgr_ctor, - .dtor = _nouveau_vmmgr_dtor, - .init = _nouveau_vmmgr_init, - .fini = _nouveau_vmmgr_fini, - }, -}; |