diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bar/r535.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bar/r535.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/r535.c deleted file mode 100644 index 3a30bea30e36..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/r535.c +++ /dev/null @@ -1,185 +0,0 @@ -/* - * Copyright 2023 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 "gf100.h" - -#include <core/mm.h> -#include <subdev/fb.h> -#include <subdev/gsp.h> -#include <subdev/instmem.h> -#include <subdev/mmu/vmm.h> - -#include <nvrm/nvtypes.h> -#include <nvrm/535.113.01/nvidia/generated/g_rpc-structures.h> -#include <nvrm/535.113.01/nvidia/kernel/inc/vgpu/rpc_global_enums.h> -#include <nvrm/535.113.01/nvidia/kernel/inc/vgpu/rpc_headers.h> - -static void -r535_bar_flush(struct nvkm_bar *bar) -{ - ioread32_native(bar->flushBAR2); -} - -static void -r535_bar_bar2_wait(struct nvkm_bar *base) -{ -} - -static int -r535_bar_bar2_update_pde(struct nvkm_gsp *gsp, u64 addr) -{ - rpc_update_bar_pde_v15_00 *rpc; - - rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_UPDATE_BAR_PDE, sizeof(*rpc)); - if (WARN_ON(IS_ERR_OR_NULL(rpc))) - return -EIO; - - rpc->info.barType = NV_RPC_UPDATE_PDE_BAR_2; - rpc->info.entryValue = addr ? ((addr >> 4) | 2) : 0; /* PD3 entry format! */ - rpc->info.entryLevelShift = 47; //XXX: probably fetch this from mmu! - - return nvkm_gsp_rpc_wr(gsp, rpc, true); -} - -static void -r535_bar_bar2_fini(struct nvkm_bar *bar) -{ - struct nvkm_gsp *gsp = bar->subdev.device->gsp; - - bar->flushBAR2 = bar->flushBAR2PhysMode; - nvkm_done(bar->flushFBZero); - - WARN_ON(r535_bar_bar2_update_pde(gsp, 0)); -} - -static void -r535_bar_bar2_init(struct nvkm_bar *bar) -{ - struct nvkm_device *device = bar->subdev.device; - struct nvkm_vmm *vmm = gf100_bar(bar)->bar[0].vmm; - struct nvkm_gsp *gsp = device->gsp; - - WARN_ON(r535_bar_bar2_update_pde(gsp, vmm->pd->pde[0]->pt[0]->addr)); - vmm->rm.bar2_pdb = gsp->bar.rm_bar2_pdb; - - if (!bar->flushFBZero) { - struct nvkm_memory *fbZero; - int ret; - - ret = nvkm_ram_wrap(device, 0, 0x1000, &fbZero); - if (ret == 0) { - ret = nvkm_memory_kmap(fbZero, &bar->flushFBZero); - nvkm_memory_unref(&fbZero); - } - WARN_ON(ret); - } - - bar->bar2 = true; - bar->flushBAR2 = nvkm_kmap(bar->flushFBZero); - WARN_ON(!bar->flushBAR2); -} - -static void -r535_bar_bar1_wait(struct nvkm_bar *base) -{ -} - -static void -r535_bar_bar1_fini(struct nvkm_bar *base) -{ -} - -static void -r535_bar_bar1_init(struct nvkm_bar *bar) -{ - struct nvkm_device *device = bar->subdev.device; - struct nvkm_gsp *gsp = device->gsp; - struct nvkm_vmm *vmm = gf100_bar(bar)->bar[1].vmm; - struct nvkm_memory *pd3; - int ret; - - ret = nvkm_ram_wrap(device, gsp->bar.rm_bar1_pdb, 0x1000, &pd3); - if (WARN_ON(ret)) - return; - - nvkm_memory_unref(&vmm->pd->pt[0]->memory); - - ret = nvkm_memory_kmap(pd3, &vmm->pd->pt[0]->memory); - nvkm_memory_unref(&pd3); - if (WARN_ON(ret)) - return; - - vmm->pd->pt[0]->addr = nvkm_memory_addr(vmm->pd->pt[0]->memory); -} - -static void * -r535_bar_dtor(struct nvkm_bar *bar) -{ - void *data = gf100_bar_dtor(bar); - - nvkm_memory_unref(&bar->flushFBZero); - - if (bar->flushBAR2PhysMode) - iounmap(bar->flushBAR2PhysMode); - - kfree(bar->func); - return data; -} - -int -r535_bar_new_(const struct nvkm_bar_func *hw, struct nvkm_device *device, - enum nvkm_subdev_type type, int inst, struct nvkm_bar **pbar) -{ - struct nvkm_bar_func *rm; - struct nvkm_bar *bar; - int ret; - - if (!(rm = kzalloc(sizeof(*rm), GFP_KERNEL))) - return -ENOMEM; - - rm->dtor = r535_bar_dtor; - rm->oneinit = hw->oneinit; - rm->bar1.init = r535_bar_bar1_init; - rm->bar1.fini = r535_bar_bar1_fini; - rm->bar1.wait = r535_bar_bar1_wait; - rm->bar1.vmm = hw->bar1.vmm; - rm->bar2.init = r535_bar_bar2_init; - rm->bar2.fini = r535_bar_bar2_fini; - rm->bar2.wait = r535_bar_bar2_wait; - rm->bar2.vmm = hw->bar2.vmm; - rm->flush = r535_bar_flush; - - ret = gf100_bar_new_(rm, device, type, inst, &bar); - if (ret) { - kfree(rm); - return ret; - } - *pbar = bar; - - bar->flushBAR2PhysMode = ioremap(device->func->resource_addr(device, 3), PAGE_SIZE); - if (!bar->flushBAR2PhysMode) - return -ENOMEM; - - bar->flushBAR2 = bar->flushBAR2PhysMode; - - gf100_bar(*pbar)->bar2_halve = true; - return 0; -} |