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gk104.c


products/Sources/formale Sprachen/C/Linux/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c

/* * Copyright 2013 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 */ #define gf119_pmu_code gk104_pmu_code #define gf119_pmu_data gk104_pmu_data #include "priv.h" #include "fuc/gf119.fuc4.h" #include #include #include static void magic_(struct nvkm_device *device, u32 ctrl, int size) { nvkm_wr32(device, 0x00c800, 0x00000000); nvkm_wr32(device, 0x00c808, 0x00000000); nvkm_wr32(device, 0x00c800, ctrl); nvkm_msec(device, 2000, if (nvkm_rd32(device, 0x00c800) & 0x40000000) { while (size--) nvkm_wr32(device, 0x00c804, 0x00000000); break; } ); nvkm_wr32(device, 0x00c800, 0x00000000); } static void magic(struct nvkm_device *device, u32 ctrl) { magic_(device, 0x8000a41f | ctrl, 6); magic_(device, 0x80000421 | ctrl, 1); } static void gk104_pmu_pgob(struct nvkm_pmu *pmu, bool enable) { struct nvkm_device *device = pmu->subdev.device; if (!(nvkm_fuse_read(device->fuse, 0x31c) & 0x00000001)) return; nvkm_mask(device, 0x000200, 0x00001000, 0x00000000); nvkm_rd32(device, 0x000200); nvkm_mask(device, 0x000200, 0x08000000, 0x08000000); msleep(50); nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000002); nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001); nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000); nvkm_mask(device, 0x020004, 0xc0000000, enable ? 0xc0000000 : 0x40000000); msleep(50); nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000000); nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001); nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000); nvkm_mask(device, 0x000200, 0x08000000, 0x00000000); nvkm_mask(device, 0x000200, 0x00001000, 0x00001000); nvkm_rd32(device, 0x000200); if (nvkm_boolopt(device->cfgopt, "War00C800_0", true)) { switch (device->chipset) { case 0xe4: magic(device, 0x04000000); magic(device, 0x06000000); magic(device, 0x0c000000); magic(device, 0x0e000000); break; case 0xe6: magic(device, 0x02000000); magic(device, 0x04000000); magic(device, 0x0a000000); break; case 0xe7: magic(device, 0x02000000); break; default: break; } } } static const struct nvkm_pmu_func gk104_pmu = { .flcn = >215_pmu_flcn, .code.data = gk104_pmu_code, .code.size = sizeof(gk104_pmu_code), .data.data = gk104_pmu_data, .data.size = sizeof(gk104_pmu_data), .enabled = gf100_pmu_enabled, .reset = gf100_pmu_reset, .init = gt215_pmu_init, .fini = gt215_pmu_fini, .intr = gt215_pmu_intr, .send = gt215_pmu_send, .recv = gt215_pmu_recv, .pgob = gk104_pmu_pgob, }; static const struct nvkm_pmu_fwif gk104_pmu_fwif[] = { { -1, gf100_pmu_nofw, &gk104_pmu }, {} }; int gk104_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_pmu **ppmu) { return nvkm_pmu_new_(gk104_pmu_fwif, device, type, inst, ppmu); }

                                                                                                                                                                                                                                                                                                                                                                                                     

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