2 * Copyright 2012 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
26 #include <core/class.h>
27 #include <core/engctx.h>
28 #include <core/ramht.h>
30 #include <subdev/instmem.h>
31 #include <subdev/instmem/nv04.h>
32 #include <subdev/fb.h>
34 #include <engine/fifo.h>
38 static struct ramfc_desc
40 { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT },
41 { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET },
42 { 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT },
43 { 32, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
44 { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
45 { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_STATE },
46 { 28, 0, 0x18, 0, NV04_PFIFO_CACHE1_DMA_FETCH },
47 { 2, 28, 0x18, 28, 0x002058 },
48 { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_ENGINE },
49 { 32, 0, 0x20, 0, NV04_PFIFO_CACHE1_PULL1 },
50 { 32, 0, 0x24, 0, NV10_PFIFO_CACHE1_ACQUIRE_VALUE },
51 { 32, 0, 0x28, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP },
52 { 32, 0, 0x2c, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT },
53 { 32, 0, 0x30, 0, NV10_PFIFO_CACHE1_SEMAPHORE },
54 { 32, 0, 0x34, 0, NV10_PFIFO_CACHE1_DMA_SUBROUTINE },
55 { 32, 0, 0x38, 0, NV40_PFIFO_GRCTX_INSTANCE },
56 { 17, 0, 0x3c, 0, NV04_PFIFO_DMA_TIMESLICE },
57 { 32, 0, 0x40, 0, 0x0032e4 },
58 { 32, 0, 0x44, 0, 0x0032e8 },
59 { 32, 0, 0x4c, 0, 0x002088 },
60 { 32, 0, 0x50, 0, 0x003300 },
61 { 32, 0, 0x54, 0, 0x00330c },
65 /*******************************************************************************
66 * FIFO channel objects
67 ******************************************************************************/
70 nv40_fifo_object_attach(struct nouveau_object *parent,
71 struct nouveau_object *object, u32 handle)
73 struct nv04_fifo_priv *priv = (void *)parent->engine;
74 struct nv04_fifo_chan *chan = (void *)parent;
75 u32 context, chid = chan->base.chid;
78 if (nv_iclass(object, NV_GPUOBJ_CLASS))
79 context = nv_gpuobj(object)->addr >> 4;
81 context = 0x00000004; /* just non-zero */
83 switch (nv_engidx(object->engine)) {
84 case NVDEV_ENGINE_DMAOBJ:
86 context |= 0x00000000;
89 context |= 0x00100000;
91 case NVDEV_ENGINE_MPEG:
92 context |= 0x00200000;
98 context |= chid << 23;
100 mutex_lock(&nv_subdev(priv)->mutex);
101 ret = nouveau_ramht_insert(priv->ramht, chid, handle, context);
102 mutex_unlock(&nv_subdev(priv)->mutex);
107 nv40_fifo_context_attach(struct nouveau_object *parent,
108 struct nouveau_object *engctx)
110 struct nv04_fifo_priv *priv = (void *)parent->engine;
111 struct nv04_fifo_chan *chan = (void *)parent;
115 switch (nv_engidx(engctx->engine)) {
116 case NVDEV_ENGINE_SW:
118 case NVDEV_ENGINE_GR:
122 case NVDEV_ENGINE_MPEG:
130 spin_lock_irqsave(&priv->base.lock, flags);
131 nv_engctx(engctx)->addr = nv_gpuobj(engctx)->addr >> 4;
132 nv_mask(priv, 0x002500, 0x00000001, 0x00000000);
134 if ((nv_rd32(priv, 0x003204) & priv->base.max) == chan->base.chid)
135 nv_wr32(priv, reg, nv_engctx(engctx)->addr);
136 nv_wo32(priv->ramfc, chan->ramfc + ctx, nv_engctx(engctx)->addr);
138 nv_mask(priv, 0x002500, 0x00000001, 0x00000001);
139 spin_unlock_irqrestore(&priv->base.lock, flags);
144 nv40_fifo_context_detach(struct nouveau_object *parent, bool suspend,
145 struct nouveau_object *engctx)
147 struct nv04_fifo_priv *priv = (void *)parent->engine;
148 struct nv04_fifo_chan *chan = (void *)parent;
152 switch (nv_engidx(engctx->engine)) {
153 case NVDEV_ENGINE_SW:
155 case NVDEV_ENGINE_GR:
159 case NVDEV_ENGINE_MPEG:
167 spin_lock_irqsave(&priv->base.lock, flags);
168 nv_mask(priv, 0x002500, 0x00000001, 0x00000000);
170 if ((nv_rd32(priv, 0x003204) & priv->base.max) == chan->base.chid)
171 nv_wr32(priv, reg, 0x00000000);
172 nv_wo32(priv->ramfc, chan->ramfc + ctx, 0x00000000);
174 nv_mask(priv, 0x002500, 0x00000001, 0x00000001);
175 spin_unlock_irqrestore(&priv->base.lock, flags);
180 nv40_fifo_chan_ctor(struct nouveau_object *parent,
181 struct nouveau_object *engine,
182 struct nouveau_oclass *oclass, void *data, u32 size,
183 struct nouveau_object **pobject)
185 struct nv04_fifo_priv *priv = (void *)engine;
186 struct nv04_fifo_chan *chan;
187 struct nv03_channel_dma_class *args = data;
190 if (size < sizeof(*args))
193 ret = nouveau_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
194 0x1000, args->pushbuf,
195 (1ULL << NVDEV_ENGINE_DMAOBJ) |
196 (1ULL << NVDEV_ENGINE_SW) |
197 (1ULL << NVDEV_ENGINE_GR) |
198 (1ULL << NVDEV_ENGINE_MPEG), &chan);
199 *pobject = nv_object(chan);
203 nv_parent(chan)->context_attach = nv40_fifo_context_attach;
204 nv_parent(chan)->context_detach = nv40_fifo_context_detach;
205 nv_parent(chan)->object_attach = nv40_fifo_object_attach;
206 nv_parent(chan)->object_detach = nv04_fifo_object_detach;
207 chan->ramfc = chan->base.chid * 128;
209 nv_wo32(priv->ramfc, chan->ramfc + 0x00, args->offset);
210 nv_wo32(priv->ramfc, chan->ramfc + 0x04, args->offset);
211 nv_wo32(priv->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
212 nv_wo32(priv->ramfc, chan->ramfc + 0x18, 0x30000000 |
213 NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
214 NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
216 NV_PFIFO_CACHE1_BIG_ENDIAN |
218 NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
219 nv_wo32(priv->ramfc, chan->ramfc + 0x3c, 0x0001ffff);
223 static struct nouveau_ofuncs
225 .ctor = nv40_fifo_chan_ctor,
226 .dtor = nv04_fifo_chan_dtor,
227 .init = nv04_fifo_chan_init,
228 .fini = nv04_fifo_chan_fini,
229 .rd32 = _nouveau_fifo_channel_rd32,
230 .wr32 = _nouveau_fifo_channel_wr32,
233 static struct nouveau_oclass
234 nv40_fifo_sclass[] = {
235 { NV40_CHANNEL_DMA_CLASS, &nv40_fifo_ofuncs },
239 /*******************************************************************************
240 * FIFO context - basically just the instmem reserved for the channel
241 ******************************************************************************/
243 static struct nouveau_oclass
245 .handle = NV_ENGCTX(FIFO, 0x40),
246 .ofuncs = &(struct nouveau_ofuncs) {
247 .ctor = nv04_fifo_context_ctor,
248 .dtor = _nouveau_fifo_context_dtor,
249 .init = _nouveau_fifo_context_init,
250 .fini = _nouveau_fifo_context_fini,
251 .rd32 = _nouveau_fifo_context_rd32,
252 .wr32 = _nouveau_fifo_context_wr32,
256 /*******************************************************************************
258 ******************************************************************************/
261 nv40_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
262 struct nouveau_oclass *oclass, void *data, u32 size,
263 struct nouveau_object **pobject)
265 struct nv04_instmem_priv *imem = nv04_instmem(parent);
266 struct nv04_fifo_priv *priv;
269 ret = nouveau_fifo_create(parent, engine, oclass, 0, 31, &priv);
270 *pobject = nv_object(priv);
274 nouveau_ramht_ref(imem->ramht, &priv->ramht);
275 nouveau_gpuobj_ref(imem->ramro, &priv->ramro);
276 nouveau_gpuobj_ref(imem->ramfc, &priv->ramfc);
278 nv_subdev(priv)->unit = 0x00000100;
279 nv_subdev(priv)->intr = nv04_fifo_intr;
280 nv_engine(priv)->cclass = &nv40_fifo_cclass;
281 nv_engine(priv)->sclass = nv40_fifo_sclass;
282 priv->base.pause = nv04_fifo_pause;
283 priv->base.start = nv04_fifo_start;
284 priv->ramfc_desc = nv40_ramfc;
289 nv40_fifo_init(struct nouveau_object *object)
291 struct nv04_fifo_priv *priv = (void *)object;
292 struct nouveau_fb *pfb = nouveau_fb(object);
295 ret = nouveau_fifo_init(&priv->base);
299 nv_wr32(priv, 0x002040, 0x000000ff);
300 nv_wr32(priv, 0x002044, 0x2101ffff);
301 nv_wr32(priv, 0x002058, 0x00000001);
303 nv_wr32(priv, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
304 ((priv->ramht->bits - 9) << 16) |
305 (priv->ramht->base.addr >> 8));
306 nv_wr32(priv, NV03_PFIFO_RAMRO, priv->ramro->addr >> 8);
308 switch (nv_device(priv)->chipset) {
312 nv_wr32(priv, 0x002230, 0x00000001);
319 nv_wr32(priv, 0x002220, 0x00030002);
322 nv_wr32(priv, 0x002230, 0x00000000);
323 nv_wr32(priv, 0x002220, ((pfb->ram.size - 512 * 1024 +
324 priv->ramfc->addr) >> 16) |
329 nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH1, priv->base.max);
331 nv_wr32(priv, NV03_PFIFO_INTR_0, 0xffffffff);
332 nv_wr32(priv, NV03_PFIFO_INTR_EN_0, 0xffffffff);
334 nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH0, 1);
335 nv_wr32(priv, NV04_PFIFO_CACHE1_PULL0, 1);
336 nv_wr32(priv, NV03_PFIFO_CACHES, 1);
340 struct nouveau_oclass
342 .handle = NV_ENGINE(FIFO, 0x40),
343 .ofuncs = &(struct nouveau_ofuncs) {
344 .ctor = nv40_fifo_ctor,
345 .dtor = nv04_fifo_dtor,
346 .init = nv40_fifo_init,
347 .fini = _nouveau_fifo_fini,