/* * 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" #include <subdev/timer.h> static int g94_bus_hwsq_exec(struct nvkm_bus *bus, u32 *data, u32 size) { struct nvkm_device *device = bus->subdev.device; int i; nvkm_mask(device, 0x001098, 0x00000008, 0x00000000); nvkm_wr32(device, 0x001304, 0x00000000); nvkm_wr32(device, 0x001318, 0x00000000); for (i = 0; i < size; i++) nvkm_wr32(device, 0x080000 + (i * 4), data[i]); nvkm_mask(device, 0x001098, 0x00000018, 0x00000018); nvkm_wr32(device, 0x00130c, 0x00000001); if (nvkm_msec(device, 2000, if (!(nvkm_rd32(device, 0x001308) & 0x00000100)) break; ) < 0) return -ETIMEDOUT; return 0; } static const struct nvkm_bus_func g94_bus = { .init = nv50_bus_init, .intr = nv50_bus_intr, .hwsq_exec = g94_bus_hwsq_exec, .hwsq_size = 128, }; int g94_bus_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_bus **pbus) { return nvkm_bus_new_(&g94_bus, device, type, inst, pbus); }