/* * 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 <martin.peres@labri.fr> * Ben Skeggs */ #include "priv.h" static void gf100_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); if (stat & 0x0000000e) { u32 addr = nvkm_rd32(device, 0x009084); u32 data = nvkm_rd32(device, 0x009088); nvkm_error_ratelimited(subdev, "MMIO %s of %08x FAULT at %06x [ %s%s%s]\n", (addr & 0x00000002) ? "write" : "read", data, (addr & 0x00fffffc), (stat & 0x00000002) ? "!ENGINE " : "", (stat & 0x00000004) ? "PRIVRING " : "", (stat & 0x00000008) ? "TIMEOUT " : ""); nvkm_wr32(device, 0x009084, 0x00000000); nvkm_wr32(device, 0x001100, (stat & 0x0000000e)); stat &= ~0x0000000e; } if (stat) { nvkm_error(subdev, "intr %08x\n", stat); nvkm_mask(device, 0x001140, stat, 0x00000000); } } static void gf100_bus_init(struct nvkm_bus *bus) { struct nvkm_device *device = bus->subdev.device; nvkm_wr32(device, 0x001100, 0xffffffff); nvkm_wr32(device, 0x001140, 0x0000000e); } static const struct nvkm_bus_func gf100_bus = { .init = gf100_bus_init, .intr = gf100_bus_intr, }; int gf100_bus_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_bus **pbus) { return nvkm_bus_new_(&gf100_bus, device, type, inst, pbus); }