1 /* 2 * Copyright 2012 Nouveau Community 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Martin Peres <martin.peres@labri.fr> 23 * Ben Skeggs 24 */ 25 #include "nv04.h" 26 27 #include <subdev/timer.h> 28 29 static int 30 g94_bus_hwsq_exec(struct nvkm_bus *pbus, u32 *data, u32 size) 31 { 32 struct nv50_bus_priv *priv = (void *)pbus; 33 int i; 34 35 nv_mask(pbus, 0x001098, 0x00000008, 0x00000000); 36 nv_wr32(pbus, 0x001304, 0x00000000); 37 nv_wr32(pbus, 0x001318, 0x00000000); 38 for (i = 0; i < size; i++) 39 nv_wr32(priv, 0x080000 + (i * 4), data[i]); 40 nv_mask(pbus, 0x001098, 0x00000018, 0x00000018); 41 nv_wr32(pbus, 0x00130c, 0x00000001); 42 43 return nv_wait(pbus, 0x001308, 0x00000100, 0x00000000) ? 0 : -ETIMEDOUT; 44 } 45 46 struct nvkm_oclass * 47 g94_bus_oclass = &(struct nv04_bus_impl) { 48 .base.handle = NV_SUBDEV(BUS, 0x94), 49 .base.ofuncs = &(struct nvkm_ofuncs) { 50 .ctor = nv04_bus_ctor, 51 .dtor = _nvkm_bus_dtor, 52 .init = nv50_bus_init, 53 .fini = _nvkm_bus_fini, 54 }, 55 .intr = nv50_bus_intr, 56 .hwsq_exec = g94_bus_hwsq_exec, 57 .hwsq_size = 128, 58 }.base; 59