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nv31.c


products/sources/formale Sprachen/C/Linux/drivers/gpu/drm/nouveau/nvkm/subdev/bus/nv31.c

/* * Copyright 2012 Nouveau Community * * 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: Martin Peres * Ben Skeggs */ #include "priv.h" #include #include static void nv31_bus_intr(struct nvkm_bus *bus) { struct nvkm_subdev *subdev = &bus->subdev; struct nvkm_device *device = subdev->device; u32 stat = nvkm_rd32(device, 0x001100) & nvkm_rd32(device, 0x001140); u32 gpio = nvkm_rd32(device, 0x001104) & nvkm_rd32(device, 0x001144); if (gpio) { struct nvkm_gpio *gpio = device->gpio; if (gpio) nvkm_subdev_intr(&gpio->subdev); } if (stat & 0x00000008) { /* NV41- */ u32 addr = nvkm_rd32(device, 0x009084); u32 data = nvkm_rd32(device, 0x009088); nvkm_error_ratelimited(subdev, "MMIO %s of %08x FAULT at %06x\n", (addr & 0x00000002) ? "write" : "read", data, (addr & 0x00fffffc)); stat &= ~0x00000008; nvkm_wr32(device, 0x001100, 0x00000008); } if (stat & 0x00070000) { struct nvkm_therm *therm = device->therm; if (therm) nvkm_subdev_intr(&therm->subdev); stat &= ~0x00070000; nvkm_wr32(device, 0x001100, 0x00070000); } if (stat) { nvkm_error(subdev, "intr %08x\n", stat); nvkm_mask(device, 0x001140, stat, 0x00000000); } } static void nv31_bus_init(struct nvkm_bus *bus) { struct nvkm_device *device = bus->subdev.device; nvkm_wr32(device, 0x001100, 0xffffffff); nvkm_wr32(device, 0x001140, 0x00070008); } static const struct nvkm_bus_func nv31_bus = { .init = nv31_bus_init, .intr = nv31_bus_intr, }; int nv31_bus_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_bus **pbus) { return nvkm_bus_new_(&nv31_bus, device, type, inst, pbus); }

                                                                                                                                                                                                                                                                                                                                                                                                     

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