1 /* 2 * Copyright 2012 Red Hat Inc. 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: Ben Skeggs 23 */ 24 #include "nv04.h" 25 26 #include <core/client.h> 27 #include <core/engctx.h> 28 #include <core/ramht.h> 29 #include <subdev/instmem/nv04.h> 30 31 #include <nvif/class.h> 32 #include <nvif/unpack.h> 33 34 static struct ramfc_desc 35 nv10_ramfc[] = { 36 { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT }, 37 { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET }, 38 { 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT }, 39 { 16, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE }, 40 { 16, 16, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT }, 41 { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_STATE }, 42 { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_FETCH }, 43 { 32, 0, 0x18, 0, NV04_PFIFO_CACHE1_ENGINE }, 44 { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_PULL1 }, 45 {} 46 }; 47 48 /******************************************************************************* 49 * FIFO channel objects 50 ******************************************************************************/ 51 52 static int 53 nv10_fifo_chan_ctor(struct nvkm_object *parent, 54 struct nvkm_object *engine, 55 struct nvkm_oclass *oclass, void *data, u32 size, 56 struct nvkm_object **pobject) 57 { 58 union { 59 struct nv03_channel_dma_v0 v0; 60 } *args = data; 61 struct nv04_fifo *fifo = (void *)engine; 62 struct nv04_fifo_chan *chan; 63 int ret; 64 65 nvif_ioctl(parent, "create channel dma size %d\n", size); 66 if (nvif_unpack(args->v0, 0, 0, false)) { 67 nvif_ioctl(parent, "create channel dma vers %d pushbuf %08x " 68 "offset %016llx\n", args->v0.version, 69 args->v0.pushbuf, args->v0.offset); 70 } else 71 return ret; 72 73 ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0x800000, 74 0x10000, args->v0.pushbuf, 75 (1ULL << NVDEV_ENGINE_DMAOBJ) | 76 (1ULL << NVDEV_ENGINE_SW) | 77 (1ULL << NVDEV_ENGINE_GR), &chan); 78 *pobject = nv_object(chan); 79 if (ret) 80 return ret; 81 82 args->v0.chid = chan->base.chid; 83 84 nv_parent(chan)->object_attach = nv04_fifo_object_attach; 85 nv_parent(chan)->object_detach = nv04_fifo_object_detach; 86 nv_parent(chan)->context_attach = nv04_fifo_context_attach; 87 chan->ramfc = chan->base.chid * 32; 88 89 nv_wo32(fifo->ramfc, chan->ramfc + 0x00, args->v0.offset); 90 nv_wo32(fifo->ramfc, chan->ramfc + 0x04, args->v0.offset); 91 nv_wo32(fifo->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4); 92 nv_wo32(fifo->ramfc, chan->ramfc + 0x14, 93 NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES | 94 NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES | 95 #ifdef __BIG_ENDIAN 96 NV_PFIFO_CACHE1_BIG_ENDIAN | 97 #endif 98 NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8); 99 return 0; 100 } 101 102 static struct nvkm_ofuncs 103 nv10_fifo_ofuncs = { 104 .ctor = nv10_fifo_chan_ctor, 105 .dtor = nv04_fifo_chan_dtor, 106 .init = nv04_fifo_chan_init, 107 .fini = nv04_fifo_chan_fini, 108 .map = _nvkm_fifo_channel_map, 109 .rd32 = _nvkm_fifo_channel_rd32, 110 .wr32 = _nvkm_fifo_channel_wr32, 111 .ntfy = _nvkm_fifo_channel_ntfy 112 }; 113 114 static struct nvkm_oclass 115 nv10_fifo_sclass[] = { 116 { NV10_CHANNEL_DMA, &nv10_fifo_ofuncs }, 117 {} 118 }; 119 120 /******************************************************************************* 121 * FIFO context - basically just the instmem reserved for the channel 122 ******************************************************************************/ 123 124 static struct nvkm_oclass 125 nv10_fifo_cclass = { 126 .handle = NV_ENGCTX(FIFO, 0x10), 127 .ofuncs = &(struct nvkm_ofuncs) { 128 .ctor = nv04_fifo_context_ctor, 129 .dtor = _nvkm_fifo_context_dtor, 130 .init = _nvkm_fifo_context_init, 131 .fini = _nvkm_fifo_context_fini, 132 .rd32 = _nvkm_fifo_context_rd32, 133 .wr32 = _nvkm_fifo_context_wr32, 134 }, 135 }; 136 137 /******************************************************************************* 138 * PFIFO engine 139 ******************************************************************************/ 140 141 static int 142 nv10_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 143 struct nvkm_oclass *oclass, void *data, u32 size, 144 struct nvkm_object **pobject) 145 { 146 struct nv04_instmem *imem = nv04_instmem(parent); 147 struct nv04_fifo *fifo; 148 int ret; 149 150 ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &fifo); 151 *pobject = nv_object(fifo); 152 if (ret) 153 return ret; 154 155 nvkm_ramht_ref(imem->ramht, &fifo->ramht); 156 nvkm_gpuobj_ref(imem->ramro, &fifo->ramro); 157 nvkm_gpuobj_ref(imem->ramfc, &fifo->ramfc); 158 159 nv_subdev(fifo)->unit = 0x00000100; 160 nv_subdev(fifo)->intr = nv04_fifo_intr; 161 nv_engine(fifo)->cclass = &nv10_fifo_cclass; 162 nv_engine(fifo)->sclass = nv10_fifo_sclass; 163 fifo->base.pause = nv04_fifo_pause; 164 fifo->base.start = nv04_fifo_start; 165 fifo->ramfc_desc = nv10_ramfc; 166 return 0; 167 } 168 169 struct nvkm_oclass * 170 nv10_fifo_oclass = &(struct nvkm_oclass) { 171 .handle = NV_ENGINE(FIFO, 0x10), 172 .ofuncs = &(struct nvkm_ofuncs) { 173 .ctor = nv10_fifo_ctor, 174 .dtor = nv04_fifo_dtor, 175 .init = nv04_fifo_init, 176 .fini = _nvkm_fifo_fini, 177 }, 178 }; 179