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 "nv50.h"
25#include "nv04.h"
26
27#include <core/client.h>
28#include <core/engctx.h>
29#include <core/ramht.h>
30#include <subdev/bar.h>
31#include <subdev/mmu.h>
32#include <subdev/timer.h>
33
34#include <nvif/class.h>
35#include <nvif/unpack.h>
36
37/*******************************************************************************
38 * FIFO channel objects
39 ******************************************************************************/
40
41static int
42g84_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *object)
43{
44	struct nvkm_bar *bar = nvkm_bar(parent);
45	struct nv50_fifo_base *base = (void *)parent->parent;
46	struct nvkm_gpuobj *ectx = (void *)object;
47	u64 limit = ectx->addr + ectx->size - 1;
48	u64 start = ectx->addr;
49	u32 addr;
50
51	switch (nv_engidx(object->engine)) {
52	case NVDEV_ENGINE_SW    : return 0;
53	case NVDEV_ENGINE_GR    : addr = 0x0020; break;
54	case NVDEV_ENGINE_VP    :
55	case NVDEV_ENGINE_MSPDEC: addr = 0x0040; break;
56	case NVDEV_ENGINE_MSPPP :
57	case NVDEV_ENGINE_MPEG  : addr = 0x0060; break;
58	case NVDEV_ENGINE_BSP   :
59	case NVDEV_ENGINE_MSVLD : addr = 0x0080; break;
60	case NVDEV_ENGINE_CIPHER:
61	case NVDEV_ENGINE_SEC   : addr = 0x00a0; break;
62	case NVDEV_ENGINE_CE0   : addr = 0x00c0; break;
63	default:
64		return -EINVAL;
65	}
66
67	nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
68	nv_wo32(base->eng, addr + 0x00, 0x00190000);
69	nv_wo32(base->eng, addr + 0x04, lower_32_bits(limit));
70	nv_wo32(base->eng, addr + 0x08, lower_32_bits(start));
71	nv_wo32(base->eng, addr + 0x0c, upper_32_bits(limit) << 24 |
72					upper_32_bits(start));
73	nv_wo32(base->eng, addr + 0x10, 0x00000000);
74	nv_wo32(base->eng, addr + 0x14, 0x00000000);
75	bar->flush(bar);
76	return 0;
77}
78
79static int
80g84_fifo_context_detach(struct nvkm_object *parent, bool suspend,
81			struct nvkm_object *object)
82{
83	struct nvkm_bar *bar = nvkm_bar(parent);
84	struct nv50_fifo_priv *priv = (void *)parent->engine;
85	struct nv50_fifo_base *base = (void *)parent->parent;
86	struct nv50_fifo_chan *chan = (void *)parent;
87	u32 addr, save, engn;
88	bool done;
89
90	switch (nv_engidx(object->engine)) {
91	case NVDEV_ENGINE_SW    : return 0;
92	case NVDEV_ENGINE_GR    : engn = 0; addr = 0x0020; break;
93	case NVDEV_ENGINE_VP    :
94	case NVDEV_ENGINE_MSPDEC: engn = 3; addr = 0x0040; break;
95	case NVDEV_ENGINE_MSPPP :
96	case NVDEV_ENGINE_MPEG  : engn = 1; addr = 0x0060; break;
97	case NVDEV_ENGINE_BSP   :
98	case NVDEV_ENGINE_MSVLD : engn = 5; addr = 0x0080; break;
99	case NVDEV_ENGINE_CIPHER:
100	case NVDEV_ENGINE_SEC   : engn = 4; addr = 0x00a0; break;
101	case NVDEV_ENGINE_CE0   : engn = 2; addr = 0x00c0; break;
102	default:
103		return -EINVAL;
104	}
105
106	save = nv_mask(priv, 0x002520, 0x0000003f, 1 << engn);
107	nv_wr32(priv, 0x0032fc, nv_gpuobj(base)->addr >> 12);
108	done = nv_wait_ne(priv, 0x0032fc, 0xffffffff, 0xffffffff);
109	nv_wr32(priv, 0x002520, save);
110	if (!done) {
111		nv_error(priv, "channel %d [%s] unload timeout\n",
112			 chan->base.chid, nvkm_client_name(chan));
113		if (suspend)
114			return -EBUSY;
115	}
116
117	nv_wo32(base->eng, addr + 0x00, 0x00000000);
118	nv_wo32(base->eng, addr + 0x04, 0x00000000);
119	nv_wo32(base->eng, addr + 0x08, 0x00000000);
120	nv_wo32(base->eng, addr + 0x0c, 0x00000000);
121	nv_wo32(base->eng, addr + 0x10, 0x00000000);
122	nv_wo32(base->eng, addr + 0x14, 0x00000000);
123	bar->flush(bar);
124	return 0;
125}
126
127static int
128g84_fifo_object_attach(struct nvkm_object *parent,
129		       struct nvkm_object *object, u32 handle)
130{
131	struct nv50_fifo_chan *chan = (void *)parent;
132	u32 context;
133
134	if (nv_iclass(object, NV_GPUOBJ_CLASS))
135		context = nv_gpuobj(object)->node->offset >> 4;
136	else
137		context = 0x00000004; /* just non-zero */
138
139	switch (nv_engidx(object->engine)) {
140	case NVDEV_ENGINE_DMAOBJ:
141	case NVDEV_ENGINE_SW    : context |= 0x00000000; break;
142	case NVDEV_ENGINE_GR    : context |= 0x00100000; break;
143	case NVDEV_ENGINE_MPEG  :
144	case NVDEV_ENGINE_MSPPP : context |= 0x00200000; break;
145	case NVDEV_ENGINE_ME    :
146	case NVDEV_ENGINE_CE0   : context |= 0x00300000; break;
147	case NVDEV_ENGINE_VP    :
148	case NVDEV_ENGINE_MSPDEC: context |= 0x00400000; break;
149	case NVDEV_ENGINE_CIPHER:
150	case NVDEV_ENGINE_SEC   :
151	case NVDEV_ENGINE_VIC   : context |= 0x00500000; break;
152	case NVDEV_ENGINE_BSP   :
153	case NVDEV_ENGINE_MSVLD : context |= 0x00600000; break;
154	default:
155		return -EINVAL;
156	}
157
158	return nvkm_ramht_insert(chan->ramht, 0, handle, context);
159}
160
161static int
162g84_fifo_chan_ctor_dma(struct nvkm_object *parent, struct nvkm_object *engine,
163		       struct nvkm_oclass *oclass, void *data, u32 size,
164		       struct nvkm_object **pobject)
165{
166	union {
167		struct nv03_channel_dma_v0 v0;
168	} *args = data;
169	struct nvkm_bar *bar = nvkm_bar(parent);
170	struct nv50_fifo_base *base = (void *)parent;
171	struct nv50_fifo_chan *chan;
172	int ret;
173
174	nv_ioctl(parent, "create channel dma size %d\n", size);
175	if (nvif_unpack(args->v0, 0, 0, false)) {
176		nv_ioctl(parent, "create channel dma vers %d pushbuf %08x "
177				 "offset %016llx\n", args->v0.version,
178			 args->v0.pushbuf, args->v0.offset);
179	} else
180		return ret;
181
182	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
183				       0x2000, args->v0.pushbuf,
184				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
185				       (1ULL << NVDEV_ENGINE_SW) |
186				       (1ULL << NVDEV_ENGINE_GR) |
187				       (1ULL << NVDEV_ENGINE_MPEG) |
188				       (1ULL << NVDEV_ENGINE_ME) |
189				       (1ULL << NVDEV_ENGINE_VP) |
190				       (1ULL << NVDEV_ENGINE_CIPHER) |
191				       (1ULL << NVDEV_ENGINE_SEC) |
192				       (1ULL << NVDEV_ENGINE_BSP) |
193				       (1ULL << NVDEV_ENGINE_MSVLD) |
194				       (1ULL << NVDEV_ENGINE_MSPDEC) |
195				       (1ULL << NVDEV_ENGINE_MSPPP) |
196				       (1ULL << NVDEV_ENGINE_CE0) |
197				       (1ULL << NVDEV_ENGINE_VIC), &chan);
198	*pobject = nv_object(chan);
199	if (ret)
200		return ret;
201
202	args->v0.chid = chan->base.chid;
203
204	ret = nvkm_ramht_new(nv_object(chan), nv_object(chan), 0x8000, 16,
205			     &chan->ramht);
206	if (ret)
207		return ret;
208
209	nv_parent(chan)->context_attach = g84_fifo_context_attach;
210	nv_parent(chan)->context_detach = g84_fifo_context_detach;
211	nv_parent(chan)->object_attach = g84_fifo_object_attach;
212	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
213
214	nv_wo32(base->ramfc, 0x08, lower_32_bits(args->v0.offset));
215	nv_wo32(base->ramfc, 0x0c, upper_32_bits(args->v0.offset));
216	nv_wo32(base->ramfc, 0x10, lower_32_bits(args->v0.offset));
217	nv_wo32(base->ramfc, 0x14, upper_32_bits(args->v0.offset));
218	nv_wo32(base->ramfc, 0x3c, 0x003f6078);
219	nv_wo32(base->ramfc, 0x44, 0x01003fff);
220	nv_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
221	nv_wo32(base->ramfc, 0x4c, 0xffffffff);
222	nv_wo32(base->ramfc, 0x60, 0x7fffffff);
223	nv_wo32(base->ramfc, 0x78, 0x00000000);
224	nv_wo32(base->ramfc, 0x7c, 0x30000001);
225	nv_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
226				   (4 << 24) /* SEARCH_FULL */ |
227				   (chan->ramht->gpuobj.node->offset >> 4));
228	nv_wo32(base->ramfc, 0x88, base->cache->addr >> 10);
229	nv_wo32(base->ramfc, 0x98, nv_gpuobj(base)->addr >> 12);
230	bar->flush(bar);
231	return 0;
232}
233
234static int
235g84_fifo_chan_ctor_ind(struct nvkm_object *parent, struct nvkm_object *engine,
236		       struct nvkm_oclass *oclass, void *data, u32 size,
237		       struct nvkm_object **pobject)
238{
239	union {
240		struct nv50_channel_gpfifo_v0 v0;
241	} *args = data;
242	struct nvkm_bar *bar = nvkm_bar(parent);
243	struct nv50_fifo_base *base = (void *)parent;
244	struct nv50_fifo_chan *chan;
245	u64 ioffset, ilength;
246	int ret;
247
248	nv_ioctl(parent, "create channel gpfifo size %d\n", size);
249	if (nvif_unpack(args->v0, 0, 0, false)) {
250		nv_ioctl(parent, "create channel gpfifo vers %d pushbuf %08x "
251				 "ioffset %016llx ilength %08x\n",
252			 args->v0.version, args->v0.pushbuf, args->v0.ioffset,
253			 args->v0.ilength);
254	} else
255		return ret;
256
257	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
258				       0x2000, args->v0.pushbuf,
259				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
260				       (1ULL << NVDEV_ENGINE_SW) |
261				       (1ULL << NVDEV_ENGINE_GR) |
262				       (1ULL << NVDEV_ENGINE_MPEG) |
263				       (1ULL << NVDEV_ENGINE_ME) |
264				       (1ULL << NVDEV_ENGINE_VP) |
265				       (1ULL << NVDEV_ENGINE_CIPHER) |
266				       (1ULL << NVDEV_ENGINE_SEC) |
267				       (1ULL << NVDEV_ENGINE_BSP) |
268				       (1ULL << NVDEV_ENGINE_MSVLD) |
269				       (1ULL << NVDEV_ENGINE_MSPDEC) |
270				       (1ULL << NVDEV_ENGINE_MSPPP) |
271				       (1ULL << NVDEV_ENGINE_CE0) |
272				       (1ULL << NVDEV_ENGINE_VIC), &chan);
273	*pobject = nv_object(chan);
274	if (ret)
275		return ret;
276
277	args->v0.chid = chan->base.chid;
278
279	ret = nvkm_ramht_new(nv_object(chan), nv_object(chan), 0x8000, 16,
280			     &chan->ramht);
281	if (ret)
282		return ret;
283
284	nv_parent(chan)->context_attach = g84_fifo_context_attach;
285	nv_parent(chan)->context_detach = g84_fifo_context_detach;
286	nv_parent(chan)->object_attach = g84_fifo_object_attach;
287	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
288
289	ioffset = args->v0.ioffset;
290	ilength = order_base_2(args->v0.ilength / 8);
291
292	nv_wo32(base->ramfc, 0x3c, 0x403f6078);
293	nv_wo32(base->ramfc, 0x44, 0x01003fff);
294	nv_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
295	nv_wo32(base->ramfc, 0x50, lower_32_bits(ioffset));
296	nv_wo32(base->ramfc, 0x54, upper_32_bits(ioffset) | (ilength << 16));
297	nv_wo32(base->ramfc, 0x60, 0x7fffffff);
298	nv_wo32(base->ramfc, 0x78, 0x00000000);
299	nv_wo32(base->ramfc, 0x7c, 0x30000001);
300	nv_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
301				   (4 << 24) /* SEARCH_FULL */ |
302				   (chan->ramht->gpuobj.node->offset >> 4));
303	nv_wo32(base->ramfc, 0x88, base->cache->addr >> 10);
304	nv_wo32(base->ramfc, 0x98, nv_gpuobj(base)->addr >> 12);
305	bar->flush(bar);
306	return 0;
307}
308
309static int
310g84_fifo_chan_init(struct nvkm_object *object)
311{
312	struct nv50_fifo_priv *priv = (void *)object->engine;
313	struct nv50_fifo_base *base = (void *)object->parent;
314	struct nv50_fifo_chan *chan = (void *)object;
315	struct nvkm_gpuobj *ramfc = base->ramfc;
316	u32 chid = chan->base.chid;
317	int ret;
318
319	ret = nvkm_fifo_channel_init(&chan->base);
320	if (ret)
321		return ret;
322
323	nv_wr32(priv, 0x002600 + (chid * 4), 0x80000000 | ramfc->addr >> 8);
324	nv50_fifo_playlist_update(priv);
325	return 0;
326}
327
328static struct nvkm_ofuncs
329g84_fifo_ofuncs_dma = {
330	.ctor = g84_fifo_chan_ctor_dma,
331	.dtor = nv50_fifo_chan_dtor,
332	.init = g84_fifo_chan_init,
333	.fini = nv50_fifo_chan_fini,
334	.map  = _nvkm_fifo_channel_map,
335	.rd32 = _nvkm_fifo_channel_rd32,
336	.wr32 = _nvkm_fifo_channel_wr32,
337	.ntfy = _nvkm_fifo_channel_ntfy
338};
339
340static struct nvkm_ofuncs
341g84_fifo_ofuncs_ind = {
342	.ctor = g84_fifo_chan_ctor_ind,
343	.dtor = nv50_fifo_chan_dtor,
344	.init = g84_fifo_chan_init,
345	.fini = nv50_fifo_chan_fini,
346	.map  = _nvkm_fifo_channel_map,
347	.rd32 = _nvkm_fifo_channel_rd32,
348	.wr32 = _nvkm_fifo_channel_wr32,
349	.ntfy = _nvkm_fifo_channel_ntfy
350};
351
352static struct nvkm_oclass
353g84_fifo_sclass[] = {
354	{ G82_CHANNEL_DMA, &g84_fifo_ofuncs_dma },
355	{ G82_CHANNEL_GPFIFO, &g84_fifo_ofuncs_ind },
356	{}
357};
358
359/*******************************************************************************
360 * FIFO context - basically just the instmem reserved for the channel
361 ******************************************************************************/
362
363static int
364g84_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
365		      struct nvkm_oclass *oclass, void *data, u32 size,
366		      struct nvkm_object **pobject)
367{
368	struct nv50_fifo_base *base;
369	int ret;
370
371	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x10000,
372				       0x1000, NVOBJ_FLAG_HEAP, &base);
373	*pobject = nv_object(base);
374	if (ret)
375		return ret;
376
377	ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x0200, 0,
378			      NVOBJ_FLAG_ZERO_ALLOC, &base->eng);
379	if (ret)
380		return ret;
381
382	ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x4000, 0,
383			      0, &base->pgd);
384	if (ret)
385		return ret;
386
387	ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
388	if (ret)
389		return ret;
390
391	ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x1000,
392			      0x400, NVOBJ_FLAG_ZERO_ALLOC, &base->cache);
393	if (ret)
394		return ret;
395
396	ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x0100,
397			      0x100, NVOBJ_FLAG_ZERO_ALLOC, &base->ramfc);
398	if (ret)
399		return ret;
400
401	return 0;
402}
403
404static struct nvkm_oclass
405g84_fifo_cclass = {
406	.handle = NV_ENGCTX(FIFO, 0x84),
407	.ofuncs = &(struct nvkm_ofuncs) {
408		.ctor = g84_fifo_context_ctor,
409		.dtor = nv50_fifo_context_dtor,
410		.init = _nvkm_fifo_context_init,
411		.fini = _nvkm_fifo_context_fini,
412		.rd32 = _nvkm_fifo_context_rd32,
413		.wr32 = _nvkm_fifo_context_wr32,
414	},
415};
416
417/*******************************************************************************
418 * PFIFO engine
419 ******************************************************************************/
420
421static void
422g84_fifo_uevent_init(struct nvkm_event *event, int type, int index)
423{
424	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
425	nv_mask(fifo, 0x002140, 0x40000000, 0x40000000);
426}
427
428static void
429g84_fifo_uevent_fini(struct nvkm_event *event, int type, int index)
430{
431	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
432	nv_mask(fifo, 0x002140, 0x40000000, 0x00000000);
433}
434
435static const struct nvkm_event_func
436g84_fifo_uevent_func = {
437	.ctor = nvkm_fifo_uevent_ctor,
438	.init = g84_fifo_uevent_init,
439	.fini = g84_fifo_uevent_fini,
440};
441
442static int
443g84_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
444	      struct nvkm_oclass *oclass, void *data, u32 size,
445	      struct nvkm_object **pobject)
446{
447	struct nv50_fifo_priv *priv;
448	int ret;
449
450	ret = nvkm_fifo_create(parent, engine, oclass, 1, 127, &priv);
451	*pobject = nv_object(priv);
452	if (ret)
453		return ret;
454
455	ret = nvkm_gpuobj_new(nv_object(priv), NULL, 128 * 4, 0x1000, 0,
456			      &priv->playlist[0]);
457	if (ret)
458		return ret;
459
460	ret = nvkm_gpuobj_new(nv_object(priv), NULL, 128 * 4, 0x1000, 0,
461			      &priv->playlist[1]);
462	if (ret)
463		return ret;
464
465	ret = nvkm_event_init(&g84_fifo_uevent_func, 1, 1, &priv->base.uevent);
466	if (ret)
467		return ret;
468
469	nv_subdev(priv)->unit = 0x00000100;
470	nv_subdev(priv)->intr = nv04_fifo_intr;
471	nv_engine(priv)->cclass = &g84_fifo_cclass;
472	nv_engine(priv)->sclass = g84_fifo_sclass;
473	priv->base.pause = nv04_fifo_pause;
474	priv->base.start = nv04_fifo_start;
475	return 0;
476}
477
478struct nvkm_oclass *
479g84_fifo_oclass = &(struct nvkm_oclass) {
480	.handle = NV_ENGINE(FIFO, 0x84),
481	.ofuncs = &(struct nvkm_ofuncs) {
482		.ctor = g84_fifo_ctor,
483		.dtor = nv50_fifo_dtor,
484		.init = nv50_fifo_init,
485		.fini = _nvkm_fifo_fini,
486	},
487};
488