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 "priv.h"
25#include "cgrp.h"
26#include "chan.h"
27#include "chid.h"
28#include "runl.h"
29
30#include "regsnv04.h"
31
32#include <core/ramht.h>
33#include <subdev/instmem.h>
34#include <subdev/mc.h>
35#include <subdev/timer.h>
36#include <engine/sw.h>
37
38#include <nvif/class.h>
39
40void
41nv04_chan_stop(struct nvkm_chan *chan)
42{
43	struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
44	struct nvkm_device *device = fifo->engine.subdev.device;
45	struct nvkm_memory *fctx = device->imem->ramfc;
46	const struct nvkm_ramfc_layout *c;
47	unsigned long flags;
48	u32 data = chan->ramfc_offset;
49	u32 chid;
50
51	/* prevent fifo context switches */
52	spin_lock_irqsave(&fifo->lock, flags);
53	nvkm_wr32(device, NV03_PFIFO_CACHES, 0);
54
55	/* if this channel is active, replace it with a null context */
56	chid = nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH1) & fifo->chid->mask;
57	if (chid == chan->id) {
58		nvkm_mask(device, NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001, 0);
59		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 0);
60		nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0);
61
62		c = chan->func->ramfc->layout;
63		nvkm_kmap(fctx);
64		do {
65			u32 rm = ((1ULL << c->bits) - 1) << c->regs;
66			u32 cm = ((1ULL << c->bits) - 1) << c->ctxs;
67			u32 rv = (nvkm_rd32(device, c->regp) &  rm) >> c->regs;
68			u32 cv = (nvkm_ro32(fctx, c->ctxp + data) & ~cm);
69			nvkm_wo32(fctx, c->ctxp + data, cv | (rv << c->ctxs));
70		} while ((++c)->bits);
71		nvkm_done(fctx);
72
73		c = chan->func->ramfc->layout;
74		do {
75			nvkm_wr32(device, c->regp, 0x00000000);
76		} while ((++c)->bits);
77
78		nvkm_wr32(device, NV03_PFIFO_CACHE1_GET, 0);
79		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUT, 0);
80		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->chid->mask);
81		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1);
82		nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
83	}
84
85	/* restore normal operation, after disabling dma mode */
86	nvkm_mask(device, NV04_PFIFO_MODE, BIT(chan->id), 0);
87	nvkm_wr32(device, NV03_PFIFO_CACHES, 1);
88	spin_unlock_irqrestore(&fifo->lock, flags);
89}
90
91void
92nv04_chan_start(struct nvkm_chan *chan)
93{
94	struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
95	unsigned long flags;
96
97	spin_lock_irqsave(&fifo->lock, flags);
98	nvkm_mask(fifo->engine.subdev.device, NV04_PFIFO_MODE, BIT(chan->id), BIT(chan->id));
99	spin_unlock_irqrestore(&fifo->lock, flags);
100}
101
102void
103nv04_chan_ramfc_clear(struct nvkm_chan *chan)
104{
105	struct nvkm_memory *ramfc = chan->cgrp->runl->fifo->engine.subdev.device->imem->ramfc;
106	const struct nvkm_ramfc_layout *c = chan->func->ramfc->layout;
107
108	nvkm_kmap(ramfc);
109	do {
110		nvkm_wo32(ramfc, chan->ramfc_offset + c->ctxp, 0x00000000);
111	} while ((++c)->bits);
112	nvkm_done(ramfc);
113}
114
115static int
116nv04_chan_ramfc_write(struct nvkm_chan *chan, u64 offset, u64 length, u32 devm, bool priv)
117{
118	struct nvkm_memory *ramfc = chan->cgrp->runl->fifo->engine.subdev.device->imem->ramfc;
119	const u32 base = chan->id * 32;
120
121	chan->ramfc_offset = base;
122
123	nvkm_kmap(ramfc);
124	nvkm_wo32(ramfc, base + 0x00, offset);
125	nvkm_wo32(ramfc, base + 0x04, offset);
126	nvkm_wo32(ramfc, base + 0x08, chan->push->addr >> 4);
127	nvkm_wo32(ramfc, base + 0x10, NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
128				      NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
129#ifdef __BIG_ENDIAN
130				      NV_PFIFO_CACHE1_BIG_ENDIAN |
131#endif
132				      NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
133	nvkm_done(ramfc);
134	return 0;
135}
136
137static const struct nvkm_chan_func_ramfc
138nv04_chan_ramfc = {
139	.layout = (const struct nvkm_ramfc_layout[]) {
140		{ 32,  0, 0x00,  0, NV04_PFIFO_CACHE1_DMA_PUT },
141		{ 32,  0, 0x04,  0, NV04_PFIFO_CACHE1_DMA_GET },
142		{ 16,  0, 0x08,  0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
143		{ 16, 16, 0x08,  0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
144		{ 32,  0, 0x0c,  0, NV04_PFIFO_CACHE1_DMA_STATE },
145		{ 32,  0, 0x10,  0, NV04_PFIFO_CACHE1_DMA_FETCH },
146		{ 32,  0, 0x14,  0, NV04_PFIFO_CACHE1_ENGINE },
147		{ 32,  0, 0x18,  0, NV04_PFIFO_CACHE1_PULL1 },
148		{}
149	},
150	.write = nv04_chan_ramfc_write,
151	.clear = nv04_chan_ramfc_clear,
152	.ctxdma = true,
153};
154
155const struct nvkm_chan_func_userd
156nv04_chan_userd = {
157	.bar = 0,
158	.base = 0x800000,
159	.size = 0x010000,
160};
161
162const struct nvkm_chan_func_inst
163nv04_chan_inst = {
164	.size = 0x1000,
165};
166
167static const struct nvkm_chan_func
168nv04_chan = {
169	.inst = &nv04_chan_inst,
170	.userd = &nv04_chan_userd,
171	.ramfc = &nv04_chan_ramfc,
172	.start = nv04_chan_start,
173	.stop = nv04_chan_stop,
174};
175
176const struct nvkm_cgrp_func
177nv04_cgrp = {
178};
179
180void
181nv04_eobj_ramht_del(struct nvkm_chan *chan, int hash)
182{
183	struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
184	struct nvkm_instmem *imem = fifo->engine.subdev.device->imem;
185
186	mutex_lock(&fifo->mutex);
187	nvkm_ramht_remove(imem->ramht, hash);
188	mutex_unlock(&fifo->mutex);
189}
190
191static int
192nv04_eobj_ramht_add(struct nvkm_engn *engn, struct nvkm_object *eobj, struct nvkm_chan *chan)
193{
194	struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
195	struct nvkm_instmem *imem = fifo->engine.subdev.device->imem;
196	u32 context = 0x80000000 | chan->id << 24 | engn->id << 16;
197	int hash;
198
199	mutex_lock(&fifo->mutex);
200	hash = nvkm_ramht_insert(imem->ramht, eobj, chan->id, 4, eobj->handle, context);
201	mutex_unlock(&fifo->mutex);
202	return hash;
203}
204
205const struct nvkm_engn_func
206nv04_engn = {
207	.ramht_add = nv04_eobj_ramht_add,
208	.ramht_del = nv04_eobj_ramht_del,
209};
210
211void
212nv04_fifo_pause(struct nvkm_fifo *fifo, unsigned long *pflags)
213__acquires(fifo->lock)
214{
215	struct nvkm_device *device = fifo->engine.subdev.device;
216	unsigned long flags;
217
218	spin_lock_irqsave(&fifo->lock, flags);
219	*pflags = flags;
220
221	nvkm_wr32(device, NV03_PFIFO_CACHES, 0x00000000);
222	nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0x00000000);
223
224	/* in some cases the puller may be left in an inconsistent state
225	 * if you try to stop it while it's busy translating handles.
226	 * sometimes you get a CACHE_ERROR, sometimes it just fails
227	 * silently; sending incorrect instance offsets to PGRAPH after
228	 * it's started up again.
229	 *
230	 * to avoid this, we invalidate the most recently calculated
231	 * instance.
232	 */
233	nvkm_msec(device, 2000,
234		u32 tmp = nvkm_rd32(device, NV04_PFIFO_CACHE1_PULL0);
235		if (!(tmp & NV04_PFIFO_CACHE1_PULL0_HASH_BUSY))
236			break;
237	);
238
239	if (nvkm_rd32(device, NV04_PFIFO_CACHE1_PULL0) &
240			  NV04_PFIFO_CACHE1_PULL0_HASH_FAILED)
241		nvkm_wr32(device, NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR);
242
243	nvkm_wr32(device, NV04_PFIFO_CACHE1_HASH, 0x00000000);
244}
245
246void
247nv04_fifo_start(struct nvkm_fifo *fifo, unsigned long *pflags)
248__releases(fifo->lock)
249{
250	struct nvkm_device *device = fifo->engine.subdev.device;
251	unsigned long flags = *pflags;
252
253	nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0x00000001);
254	nvkm_wr32(device, NV03_PFIFO_CACHES, 0x00000001);
255
256	spin_unlock_irqrestore(&fifo->lock, flags);
257}
258
259const struct nvkm_runl_func
260nv04_runl = {
261};
262
263static const char *
264nv_dma_state_err(u32 state)
265{
266	static const char * const desc[] = {
267		"NONE", "CALL_SUBR_ACTIVE", "INVALID_MTHD", "RET_SUBR_INACTIVE",
268		"INVALID_CMD", "IB_EMPTY"/* NV50+ */, "MEM_FAULT", "UNK"
269	};
270	return desc[(state >> 29) & 0x7];
271}
272
273static bool
274nv04_fifo_swmthd(struct nvkm_device *device, u32 chid, u32 addr, u32 data)
275{
276	struct nvkm_sw *sw = device->sw;
277	const int subc = (addr & 0x0000e000) >> 13;
278	const int mthd = (addr & 0x00001ffc);
279	const u32 mask = 0x0000000f << (subc * 4);
280	u32 engine = nvkm_rd32(device, 0x003280);
281	bool handled = false;
282
283	switch (mthd) {
284	case 0x0000 ... 0x0000: /* subchannel's engine -> software */
285		nvkm_wr32(device, 0x003280, (engine &= ~mask));
286		fallthrough;
287	case 0x0180 ... 0x01fc: /* handle -> instance */
288		data = nvkm_rd32(device, 0x003258) & 0x0000ffff;
289		fallthrough;
290	case 0x0100 ... 0x017c:
291	case 0x0200 ... 0x1ffc: /* pass method down to sw */
292		if (!(engine & mask) && sw)
293			handled = nvkm_sw_mthd(sw, chid, subc, mthd, data);
294		break;
295	default:
296		break;
297	}
298
299	return handled;
300}
301
302static void
303nv04_fifo_intr_cache_error(struct nvkm_fifo *fifo, u32 chid, u32 get)
304{
305	struct nvkm_subdev *subdev = &fifo->engine.subdev;
306	struct nvkm_device *device = subdev->device;
307	struct nvkm_chan *chan;
308	unsigned long flags;
309	u32 pull0 = nvkm_rd32(device, 0x003250);
310	u32 mthd, data;
311	int ptr;
312
313	/* NV_PFIFO_CACHE1_GET actually goes to 0xffc before wrapping on my
314	 * G80 chips, but CACHE1 isn't big enough for this much data.. Tests
315	 * show that it wraps around to the start at GET=0x800.. No clue as to
316	 * why..
317	 */
318	ptr = (get & 0x7ff) >> 2;
319
320	if (device->card_type < NV_40) {
321		mthd = nvkm_rd32(device, NV04_PFIFO_CACHE1_METHOD(ptr));
322		data = nvkm_rd32(device, NV04_PFIFO_CACHE1_DATA(ptr));
323	} else {
324		mthd = nvkm_rd32(device, NV40_PFIFO_CACHE1_METHOD(ptr));
325		data = nvkm_rd32(device, NV40_PFIFO_CACHE1_DATA(ptr));
326	}
327
328	if (!(pull0 & 0x00000100) ||
329	    !nv04_fifo_swmthd(device, chid, mthd, data)) {
330		chan = nvkm_chan_get_chid(&fifo->engine, chid, &flags);
331		nvkm_error(subdev, "CACHE_ERROR - "
332			   "ch %d [%s] subc %d mthd %04x data %08x\n",
333			   chid, chan ? chan->name : "unknown",
334			   (mthd >> 13) & 7, mthd & 0x1ffc, data);
335		nvkm_chan_put(&chan, flags);
336	}
337
338	nvkm_wr32(device, NV04_PFIFO_CACHE1_DMA_PUSH, 0);
339	nvkm_wr32(device, NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR);
340
341	nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0,
342		nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH0) & ~1);
343	nvkm_wr32(device, NV03_PFIFO_CACHE1_GET, get + 4);
344	nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0,
345		nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH0) | 1);
346	nvkm_wr32(device, NV04_PFIFO_CACHE1_HASH, 0);
347
348	nvkm_wr32(device, NV04_PFIFO_CACHE1_DMA_PUSH,
349		nvkm_rd32(device, NV04_PFIFO_CACHE1_DMA_PUSH) | 1);
350	nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
351}
352
353static void
354nv04_fifo_intr_dma_pusher(struct nvkm_fifo *fifo, u32 chid)
355{
356	struct nvkm_subdev *subdev = &fifo->engine.subdev;
357	struct nvkm_device *device = subdev->device;
358	u32 dma_get = nvkm_rd32(device, 0x003244);
359	u32 dma_put = nvkm_rd32(device, 0x003240);
360	u32 push = nvkm_rd32(device, 0x003220);
361	u32 state = nvkm_rd32(device, 0x003228);
362	struct nvkm_chan *chan;
363	unsigned long flags;
364	const char *name;
365
366	chan = nvkm_chan_get_chid(&fifo->engine, chid, &flags);
367	name = chan ? chan->name : "unknown";
368	if (device->card_type == NV_50) {
369		u32 ho_get = nvkm_rd32(device, 0x003328);
370		u32 ho_put = nvkm_rd32(device, 0x003320);
371		u32 ib_get = nvkm_rd32(device, 0x003334);
372		u32 ib_put = nvkm_rd32(device, 0x003330);
373
374		nvkm_error(subdev, "DMA_PUSHER - "
375			   "ch %d [%s] get %02x%08x put %02x%08x ib_get %08x "
376			   "ib_put %08x state %08x (err: %s) push %08x\n",
377			   chid, name, ho_get, dma_get, ho_put, dma_put,
378			   ib_get, ib_put, state, nv_dma_state_err(state),
379			   push);
380
381		/* METHOD_COUNT, in DMA_STATE on earlier chipsets */
382		nvkm_wr32(device, 0x003364, 0x00000000);
383		if (dma_get != dma_put || ho_get != ho_put) {
384			nvkm_wr32(device, 0x003244, dma_put);
385			nvkm_wr32(device, 0x003328, ho_put);
386		} else
387		if (ib_get != ib_put)
388			nvkm_wr32(device, 0x003334, ib_put);
389	} else {
390		nvkm_error(subdev, "DMA_PUSHER - ch %d [%s] get %08x put %08x "
391				   "state %08x (err: %s) push %08x\n",
392			   chid, name, dma_get, dma_put, state,
393			   nv_dma_state_err(state), push);
394
395		if (dma_get != dma_put)
396			nvkm_wr32(device, 0x003244, dma_put);
397	}
398	nvkm_chan_put(&chan, flags);
399
400	nvkm_wr32(device, 0x003228, 0x00000000);
401	nvkm_wr32(device, 0x003220, 0x00000001);
402	nvkm_wr32(device, 0x002100, NV_PFIFO_INTR_DMA_PUSHER);
403}
404
405irqreturn_t
406nv04_fifo_intr(struct nvkm_inth *inth)
407{
408	struct nvkm_fifo *fifo = container_of(inth, typeof(*fifo), engine.subdev.inth);
409	struct nvkm_subdev *subdev = &fifo->engine.subdev;
410	struct nvkm_device *device = subdev->device;
411	u32 mask = nvkm_rd32(device, NV03_PFIFO_INTR_EN_0);
412	u32 stat = nvkm_rd32(device, NV03_PFIFO_INTR_0) & mask;
413	u32 reassign, chid, get, sem;
414
415	reassign = nvkm_rd32(device, NV03_PFIFO_CACHES) & 1;
416	nvkm_wr32(device, NV03_PFIFO_CACHES, 0);
417
418	chid = nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH1) & fifo->chid->mask;
419	get  = nvkm_rd32(device, NV03_PFIFO_CACHE1_GET);
420
421	if (stat & NV_PFIFO_INTR_CACHE_ERROR) {
422		nv04_fifo_intr_cache_error(fifo, chid, get);
423		stat &= ~NV_PFIFO_INTR_CACHE_ERROR;
424	}
425
426	if (stat & NV_PFIFO_INTR_DMA_PUSHER) {
427		nv04_fifo_intr_dma_pusher(fifo, chid);
428		stat &= ~NV_PFIFO_INTR_DMA_PUSHER;
429	}
430
431	if (stat & NV_PFIFO_INTR_SEMAPHORE) {
432		stat &= ~NV_PFIFO_INTR_SEMAPHORE;
433		nvkm_wr32(device, NV03_PFIFO_INTR_0, NV_PFIFO_INTR_SEMAPHORE);
434
435		sem = nvkm_rd32(device, NV10_PFIFO_CACHE1_SEMAPHORE);
436		nvkm_wr32(device, NV10_PFIFO_CACHE1_SEMAPHORE, sem | 0x1);
437
438		nvkm_wr32(device, NV03_PFIFO_CACHE1_GET, get + 4);
439		nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
440	}
441
442	if (device->card_type == NV_50) {
443		if (stat & 0x00000010) {
444			stat &= ~0x00000010;
445			nvkm_wr32(device, 0x002100, 0x00000010);
446		}
447
448		if (stat & 0x40000000) {
449			nvkm_wr32(device, 0x002100, 0x40000000);
450			nvkm_event_ntfy(&fifo->nonstall.event, 0, NVKM_FIFO_NONSTALL_EVENT);
451			stat &= ~0x40000000;
452		}
453	}
454
455	if (stat) {
456		nvkm_warn(subdev, "intr %08x\n", stat);
457		nvkm_mask(device, NV03_PFIFO_INTR_EN_0, stat, 0x00000000);
458		nvkm_wr32(device, NV03_PFIFO_INTR_0, stat);
459	}
460
461	nvkm_wr32(device, NV03_PFIFO_CACHES, reassign);
462	return IRQ_HANDLED;
463}
464
465void
466nv04_fifo_init(struct nvkm_fifo *fifo)
467{
468	struct nvkm_device *device = fifo->engine.subdev.device;
469	struct nvkm_instmem *imem = device->imem;
470	struct nvkm_ramht *ramht = imem->ramht;
471	struct nvkm_memory *ramro = imem->ramro;
472	struct nvkm_memory *ramfc = imem->ramfc;
473
474	nvkm_wr32(device, NV04_PFIFO_DELAY_0, 0x000000ff);
475	nvkm_wr32(device, NV04_PFIFO_DMA_TIMESLICE, 0x0101ffff);
476
477	nvkm_wr32(device, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
478					    ((ramht->bits - 9) << 16) |
479					    (ramht->gpuobj->addr >> 8));
480	nvkm_wr32(device, NV03_PFIFO_RAMRO, nvkm_memory_addr(ramro) >> 8);
481	nvkm_wr32(device, NV03_PFIFO_RAMFC, nvkm_memory_addr(ramfc) >> 8);
482
483	nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->chid->mask);
484
485	nvkm_wr32(device, NV03_PFIFO_INTR_0, 0xffffffff);
486	nvkm_wr32(device, NV03_PFIFO_INTR_EN_0, 0xffffffff);
487
488	nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1);
489	nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
490	nvkm_wr32(device, NV03_PFIFO_CACHES, 1);
491}
492
493int
494nv04_fifo_runl_ctor(struct nvkm_fifo *fifo)
495{
496	struct nvkm_runl *runl;
497
498	runl = nvkm_runl_new(fifo, 0, 0, 0);
499	if (IS_ERR(runl))
500		return PTR_ERR(runl);
501
502	nvkm_runl_add(runl, 0, fifo->func->engn_sw, NVKM_ENGINE_SW, 0);
503	nvkm_runl_add(runl, 0, fifo->func->engn_sw, NVKM_ENGINE_DMAOBJ, 0);
504	nvkm_runl_add(runl, 1, fifo->func->engn   , NVKM_ENGINE_GR, 0);
505	nvkm_runl_add(runl, 2, fifo->func->engn   , NVKM_ENGINE_MPEG, 0); /* NV31- */
506	return 0;
507}
508
509int
510nv04_fifo_chid_ctor(struct nvkm_fifo *fifo, int nr)
511{
512	/* The last CHID is reserved by HW as a "channel invalid" marker. */
513	return nvkm_chid_new(&nvkm_chan_event, &fifo->engine.subdev, nr, 0, nr - 1, &fifo->chid);
514}
515
516static int
517nv04_fifo_chid_nr(struct nvkm_fifo *fifo)
518{
519	return 16;
520}
521
522static const struct nvkm_fifo_func
523nv04_fifo = {
524	.chid_nr = nv04_fifo_chid_nr,
525	.chid_ctor = nv04_fifo_chid_ctor,
526	.runl_ctor = nv04_fifo_runl_ctor,
527	.init = nv04_fifo_init,
528	.intr = nv04_fifo_intr,
529	.pause = nv04_fifo_pause,
530	.start = nv04_fifo_start,
531	.runl = &nv04_runl,
532	.engn = &nv04_engn,
533	.engn_sw = &nv04_engn,
534	.cgrp = {{                        }, &nv04_cgrp },
535	.chan = {{ 0, 0, NV03_CHANNEL_DMA }, &nv04_chan },
536};
537
538int
539nv04_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
540	      struct nvkm_fifo **pfifo)
541{
542	return nvkm_fifo_new_(&nv04_fifo, device, type, inst, pfifo);
543}
544