1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24#include "changf100.h"
25
26#include <core/client.h>
27#include <core/gpuobj.h>
28#include <subdev/fb.h>
29#include <subdev/timer.h>
30
31#include <nvif/class.h>
32#include <nvif/cl906f.h>
33#include <nvif/unpack.h>
34
35static u32
36gf100_fifo_gpfifo_engine_addr(struct nvkm_engine *engine)
37{
38 switch (engine->subdev.index) {
39 case NVKM_ENGINE_SW : return 0;
40 case NVKM_ENGINE_GR : return 0x0210;
41 case NVKM_ENGINE_CE0 : return 0x0230;
42 case NVKM_ENGINE_CE1 : return 0x0240;
43 case NVKM_ENGINE_MSPDEC: return 0x0250;
44 case NVKM_ENGINE_MSPPP : return 0x0260;
45 case NVKM_ENGINE_MSVLD : return 0x0270;
46 default:
47 WARN_ON(1);
48 return 0;
49 }
50}
51
52static int
53gf100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base,
54 struct nvkm_engine *engine, bool suspend)
55{
56 const u32 offset = gf100_fifo_gpfifo_engine_addr(engine);
57 struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
58 struct nvkm_subdev *subdev = &chan->fifo->base.engine.subdev;
59 struct nvkm_device *device = subdev->device;
60 struct nvkm_gpuobj *inst = chan->base.inst;
61 int ret = 0;
62
63 nvkm_wr32(device, 0x002634, chan->base.chid);
64 if (nvkm_msec(device, 2000,
65 if (nvkm_rd32(device, 0x002634) == chan->base.chid)
66 break;
67 ) < 0) {
68 nvkm_error(subdev, "channel %d [%s] kick timeout\n",
69 chan->base.chid, chan->base.object.client->name);
70 ret = -EBUSY;
71 if (suspend)
72 return ret;
73 }
74
75 if (offset) {
76 nvkm_kmap(inst);
77 nvkm_wo32(inst, offset + 0x00, 0x00000000);
78 nvkm_wo32(inst, offset + 0x04, 0x00000000);
79 nvkm_done(inst);
80 }
81
82 return ret;
83}
84
85static int
86gf100_fifo_gpfifo_engine_init(struct nvkm_fifo_chan *base,
87 struct nvkm_engine *engine)
88{
89 const u32 offset = gf100_fifo_gpfifo_engine_addr(engine);
90 struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
91 struct nvkm_gpuobj *inst = chan->base.inst;
92
93 if (offset) {
94 u64 addr = chan->engn[engine->subdev.index].vma.offset;
95 nvkm_kmap(inst);
96 nvkm_wo32(inst, offset + 0x00, lower_32_bits(addr) | 4);
97 nvkm_wo32(inst, offset + 0x04, upper_32_bits(addr));
98 nvkm_done(inst);
99 }
100
101 return 0;
102}
103
104static void
105gf100_fifo_gpfifo_engine_dtor(struct nvkm_fifo_chan *base,
106 struct nvkm_engine *engine)
107{
108 struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
109 nvkm_gpuobj_unmap(&chan->engn[engine->subdev.index].vma);
110 nvkm_gpuobj_del(&chan->engn[engine->subdev.index].inst);
111}
112
113static int
114gf100_fifo_gpfifo_engine_ctor(struct nvkm_fifo_chan *base,
115 struct nvkm_engine *engine,
116 struct nvkm_object *object)
117{
118 struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
119 int engn = engine->subdev.index;
120 int ret;
121
122 if (!gf100_fifo_gpfifo_engine_addr(engine))
123 return 0;
124
125 ret = nvkm_object_bind(object, NULL, 0, &chan->engn[engn].inst);
126 if (ret)
127 return ret;
128
129 return nvkm_gpuobj_map(chan->engn[engn].inst, chan->vm,
130 NV_MEM_ACCESS_RW, &chan->engn[engn].vma);
131}
132
133static void
134gf100_fifo_gpfifo_fini(struct nvkm_fifo_chan *base)
135{
136 struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
137 struct gf100_fifo *fifo = chan->fifo;
138 struct nvkm_device *device = fifo->base.engine.subdev.device;
139 u32 coff = chan->base.chid * 8;
140
141 if (!list_empty(&chan->head) && !chan->killed) {
142 gf100_fifo_runlist_remove(fifo, chan);
143 nvkm_mask(device, 0x003004 + coff, 0x00000001, 0x00000000);
144 gf100_fifo_runlist_commit(fifo);
145 }
146
147 gf100_fifo_intr_engine(fifo);
148
149 nvkm_wr32(device, 0x003000 + coff, 0x00000000);
150}
151
152static void
153gf100_fifo_gpfifo_init(struct nvkm_fifo_chan *base)
154{
155 struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
156 struct gf100_fifo *fifo = chan->fifo;
157 struct nvkm_device *device = fifo->base.engine.subdev.device;
158 u32 addr = chan->base.inst->addr >> 12;
159 u32 coff = chan->base.chid * 8;
160
161 nvkm_wr32(device, 0x003000 + coff, 0xc0000000 | addr);
162
163 if (list_empty(&chan->head) && !chan->killed) {
164 gf100_fifo_runlist_insert(fifo, chan);
165 nvkm_wr32(device, 0x003004 + coff, 0x001f0001);
166 gf100_fifo_runlist_commit(fifo);
167 }
168}
169
170static void *
171gf100_fifo_gpfifo_dtor(struct nvkm_fifo_chan *base)
172{
173 struct gf100_fifo_chan *chan = gf100_fifo_chan(base);
174 nvkm_vm_ref(NULL, &chan->vm, chan->pgd);
175 nvkm_gpuobj_del(&chan->pgd);
176 return chan;
177}
178
179static const struct nvkm_fifo_chan_func
180gf100_fifo_gpfifo_func = {
181 .dtor = gf100_fifo_gpfifo_dtor,
182 .init = gf100_fifo_gpfifo_init,
183 .fini = gf100_fifo_gpfifo_fini,
184 .ntfy = g84_fifo_chan_ntfy,
185 .engine_ctor = gf100_fifo_gpfifo_engine_ctor,
186 .engine_dtor = gf100_fifo_gpfifo_engine_dtor,
187 .engine_init = gf100_fifo_gpfifo_engine_init,
188 .engine_fini = gf100_fifo_gpfifo_engine_fini,
189};
190
191static int
192gf100_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
193 void *data, u32 size, struct nvkm_object **pobject)
194{
195 union {
196 struct fermi_channel_gpfifo_v0 v0;
197 } *args = data;
198 struct gf100_fifo *fifo = gf100_fifo(base);
199 struct nvkm_device *device = fifo->base.engine.subdev.device;
200 struct nvkm_object *parent = oclass->parent;
201 struct gf100_fifo_chan *chan;
202 u64 usermem, ioffset, ilength;
203 int ret = -ENOSYS, i;
204
205 nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
206 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
207 nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
208 "ioffset %016llx ilength %08x\n",
209 args->v0.version, args->v0.vm, args->v0.ioffset,
210 args->v0.ilength);
211 } else
212 return ret;
213
214
215 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
216 return -ENOMEM;
217 *pobject = &chan->base.object;
218 chan->fifo = fifo;
219 INIT_LIST_HEAD(&chan->head);
220
221 ret = nvkm_fifo_chan_ctor(&gf100_fifo_gpfifo_func, &fifo->base,
222 0x1000, 0x1000, true, args->v0.vm, 0,
223 (1ULL << NVKM_ENGINE_CE0) |
224 (1ULL << NVKM_ENGINE_CE1) |
225 (1ULL << NVKM_ENGINE_GR) |
226 (1ULL << NVKM_ENGINE_MSPDEC) |
227 (1ULL << NVKM_ENGINE_MSPPP) |
228 (1ULL << NVKM_ENGINE_MSVLD) |
229 (1ULL << NVKM_ENGINE_SW),
230 1, fifo->user.bar.offset, 0x1000,
231 oclass, &chan->base);
232 if (ret)
233 return ret;
234
235 args->v0.chid = chan->base.chid;
236
237
238 ret = nvkm_gpuobj_new(device, 0x10000, 0x1000, false, NULL, &chan->pgd);
239 if (ret)
240 return ret;
241
242 nvkm_kmap(chan->base.inst);
243 nvkm_wo32(chan->base.inst, 0x0200, lower_32_bits(chan->pgd->addr));
244 nvkm_wo32(chan->base.inst, 0x0204, upper_32_bits(chan->pgd->addr));
245 nvkm_wo32(chan->base.inst, 0x0208, 0xffffffff);
246 nvkm_wo32(chan->base.inst, 0x020c, 0x000000ff);
247 nvkm_done(chan->base.inst);
248
249 ret = nvkm_vm_ref(chan->base.vm, &chan->vm, chan->pgd);
250 if (ret)
251 return ret;
252
253
254
255 usermem = chan->base.chid * 0x1000;
256 ioffset = args->v0.ioffset;
257 ilength = order_base_2(args->v0.ilength / 8);
258
259 nvkm_kmap(fifo->user.mem);
260 for (i = 0; i < 0x1000; i += 4)
261 nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000);
262 nvkm_done(fifo->user.mem);
263 usermem = nvkm_memory_addr(fifo->user.mem) + usermem;
264
265
266 nvkm_kmap(chan->base.inst);
267 nvkm_wo32(chan->base.inst, 0x08, lower_32_bits(usermem));
268 nvkm_wo32(chan->base.inst, 0x0c, upper_32_bits(usermem));
269 nvkm_wo32(chan->base.inst, 0x10, 0x0000face);
270 nvkm_wo32(chan->base.inst, 0x30, 0xfffff902);
271 nvkm_wo32(chan->base.inst, 0x48, lower_32_bits(ioffset));
272 nvkm_wo32(chan->base.inst, 0x4c, upper_32_bits(ioffset) |
273 (ilength << 16));
274 nvkm_wo32(chan->base.inst, 0x54, 0x00000002);
275 nvkm_wo32(chan->base.inst, 0x84, 0x20400000);
276 nvkm_wo32(chan->base.inst, 0x94, 0x30000001);
277 nvkm_wo32(chan->base.inst, 0x9c, 0x00000100);
278 nvkm_wo32(chan->base.inst, 0xa4, 0x1f1f1f1f);
279 nvkm_wo32(chan->base.inst, 0xa8, 0x1f1f1f1f);
280 nvkm_wo32(chan->base.inst, 0xac, 0x0000001f);
281 nvkm_wo32(chan->base.inst, 0xb8, 0xf8000000);
282 nvkm_wo32(chan->base.inst, 0xf8, 0x10003080);
283 nvkm_wo32(chan->base.inst, 0xfc, 0x10000010);
284 nvkm_done(chan->base.inst);
285 return 0;
286}
287
288const struct nvkm_fifo_chan_oclass
289gf100_fifo_gpfifo_oclass = {
290 .base.oclass = FERMI_CHANNEL_GPFIFO,
291 .base.minver = 0,
292 .base.maxver = 0,
293 .ctor = gf100_fifo_gpfifo_new,
294};
295