1 /*
2  * Copyright 2011-2013 Maarten Lankhorst, Ilia Mirkin
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 AUTHORS OR COPYRIGHT HOLDERS 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 
23 #include "nv50/nv98_video.h"
24 
25 #include "util/u_sampler.h"
26 #include "util/format/u_format.h"
27 
28 #include <nvif/class.h>
29 
30 static void
nv98_decoder_decode_bitstream(struct pipe_video_codec * decoder,struct pipe_video_buffer * video_target,struct pipe_picture_desc * picture,unsigned num_buffers,const void * const * data,const unsigned * num_bytes)31 nv98_decoder_decode_bitstream(struct pipe_video_codec *decoder,
32                               struct pipe_video_buffer *video_target,
33                               struct pipe_picture_desc *picture,
34                               unsigned num_buffers,
35                               const void *const *data,
36                               const unsigned *num_bytes)
37 {
38    struct nouveau_vp3_decoder *dec = (struct nouveau_vp3_decoder *)decoder;
39    struct nouveau_vp3_video_buffer *target = (struct nouveau_vp3_video_buffer *)video_target;
40    uint32_t comm_seq = ++dec->fence_seq;
41    union pipe_desc desc;
42 
43    unsigned vp_caps, is_ref;
44    ASSERTED unsigned ret; /* used in debug checks */
45    struct nouveau_vp3_video_buffer *refs[16] = {};
46 
47    desc.base = picture;
48 
49    assert(target->base.buffer_format == PIPE_FORMAT_NV12);
50 
51    ret = nv98_decoder_bsp(dec, desc, target, comm_seq,
52                           num_buffers, data, num_bytes,
53                           &vp_caps, &is_ref, refs);
54 
55    /* did we decode bitstream correctly? */
56    assert(ret == 2);
57 
58    nv98_decoder_vp(dec, desc, target, comm_seq, vp_caps, is_ref, refs);
59    nv98_decoder_ppp(dec, desc, target, comm_seq);
60 }
61 
62 static const struct nouveau_mclass
63 nv98_decoder_msvld[] = {
64    { G98_MSVLD, -1 },
65    { IGT21A_MSVLD, -1 },
66    { GT212_MSVLD, -1 },
67    {}
68 };
69 
70 static const struct nouveau_mclass
71 nv98_decoder_mspdec[] = {
72    { G98_MSPDEC, -1 },
73    { GT212_MSPDEC, -1 },
74    {}
75 };
76 
77 static const struct nouveau_mclass
78 nv98_decoder_msppp[] = {
79    { G98_MSPPP, -1 },
80    { GT212_MSPPP, -1 },
81    {}
82 };
83 
84 struct pipe_video_codec *
nv98_create_decoder(struct pipe_context * context,const struct pipe_video_codec * templ)85 nv98_create_decoder(struct pipe_context *context,
86                     const struct pipe_video_codec *templ)
87 {
88    struct nouveau_screen *screen = &((struct nv50_context *)context)->screen->base;
89    struct nouveau_vp3_decoder *dec;
90    struct nouveau_pushbuf **push;
91    struct nv04_fifo nv04_data = {.vram = 0xbeef0201, .gart = 0xbeef0202};
92 
93    int ret, i;
94    uint32_t codec = 1, ppp_codec = 3;
95    uint32_t timeout;
96    u32 tmp_size = 0;
97 
98    if (getenv("XVMC_VL"))
99        return vl_create_decoder(context, templ);
100 
101    if (templ->entrypoint != PIPE_VIDEO_ENTRYPOINT_BITSTREAM) {
102       debug_printf("%x\n", templ->entrypoint);
103       return NULL;
104    }
105 
106    dec = CALLOC_STRUCT(nouveau_vp3_decoder);
107    if (!dec)
108       return NULL;
109    dec->client = screen->client;
110    dec->base = *templ;
111    nouveau_vp3_decoder_init_common(&dec->base);
112 
113    dec->bsp_idx = 5;
114    dec->vp_idx = 6;
115    dec->ppp_idx = 7;
116 
117    ret = nouveau_object_new(&screen->device->object, 0,
118                             NOUVEAU_FIFO_CHANNEL_CLASS,
119                             &nv04_data, sizeof(nv04_data), &dec->channel[0]);
120 
121    if (!ret)
122       ret = nouveau_pushbuf_new(screen->client, dec->channel[0], 4,
123                                 32 * 1024, true, &dec->pushbuf[0]);
124 
125    for (i = 1; i < 3; ++i) {
126       dec->channel[i] = dec->channel[0];
127       dec->pushbuf[i] = dec->pushbuf[0];
128    }
129    push = dec->pushbuf;
130 
131    if (!ret) {
132       ret = nouveau_object_mclass(dec->channel[0], nv98_decoder_msvld);
133       if (ret >= 0) {
134          ret = nouveau_object_new(dec->channel[0], 0xbeef85b1,
135                                   nv98_decoder_msvld[ret].oclass, NULL, 0,
136                                   &dec->bsp);
137       }
138    }
139 
140    if (!ret) {
141       ret = nouveau_object_mclass(dec->channel[1], nv98_decoder_mspdec);
142       if (ret >= 0) {
143          ret = nouveau_object_new(dec->channel[1], 0xbeef85b2,
144                                   nv98_decoder_mspdec[ret].oclass, NULL, 0,
145                                   &dec->vp);
146       }
147    }
148 
149    if (!ret) {
150       ret = nouveau_object_mclass(dec->channel[2], nv98_decoder_msppp);
151       if (ret >= 0) {
152          ret = nouveau_object_new(dec->channel[2], 0xbeef85b3,
153                                   nv98_decoder_msppp[ret].oclass, NULL, 0,
154                                   &dec->ppp);
155       }
156    }
157 
158    if (ret)
159       goto fail;
160 
161    BEGIN_NV04(push[0], SUBC_BSP(NV01_SUBCHAN_OBJECT), 1);
162    PUSH_DATA (push[0], dec->bsp->handle);
163 
164    BEGIN_NV04(push[0], SUBC_BSP(0x180), 5);
165    for (i = 0; i < 5; i++)
166       PUSH_DATA (push[0], nv04_data.vram);
167 
168    BEGIN_NV04(push[1], SUBC_VP(NV01_SUBCHAN_OBJECT), 1);
169    PUSH_DATA (push[1], dec->vp->handle);
170 
171    BEGIN_NV04(push[1], SUBC_VP(0x180), 6);
172    for (i = 0; i < 6; i++)
173       PUSH_DATA (push[1], nv04_data.vram);
174 
175    BEGIN_NV04(push[2], SUBC_PPP(NV01_SUBCHAN_OBJECT), 1);
176    PUSH_DATA (push[2], dec->ppp->handle);
177 
178    BEGIN_NV04(push[2], SUBC_PPP(0x180), 5);
179    for (i = 0; i < 5; i++)
180       PUSH_DATA (push[2], nv04_data.vram);
181 
182    dec->base.context = context;
183    dec->base.decode_bitstream = nv98_decoder_decode_bitstream;
184 
185    for (i = 0; i < NOUVEAU_VP3_VIDEO_QDEPTH && !ret; ++i)
186       ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM,
187                            0, 1 << 20, NULL, &dec->bsp_bo[i]);
188    if (!ret)
189       ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM,
190                            0x100, 4 << 20, NULL, &dec->inter_bo[0]);
191    if (!ret)
192       nouveau_bo_ref(dec->inter_bo[0], &dec->inter_bo[1]);
193    if (ret)
194       goto fail;
195 
196    switch (u_reduce_video_profile(templ->profile)) {
197    case PIPE_VIDEO_FORMAT_MPEG12: {
198       codec = 1;
199       assert(templ->max_references <= 2);
200       break;
201    }
202    case PIPE_VIDEO_FORMAT_MPEG4: {
203       codec = 4;
204       tmp_size = mb(templ->height)*16 * mb(templ->width)*16;
205       assert(templ->max_references <= 2);
206       break;
207    }
208    case PIPE_VIDEO_FORMAT_VC1: {
209       ppp_codec = codec = 2;
210       tmp_size = mb(templ->height)*16 * mb(templ->width)*16;
211       assert(templ->max_references <= 2);
212       break;
213    }
214    case PIPE_VIDEO_FORMAT_MPEG4_AVC: {
215       codec = 3;
216       dec->tmp_stride = 16 * mb_half(templ->width) * nouveau_vp3_video_align(templ->height) * 3 / 2;
217       tmp_size = dec->tmp_stride * (templ->max_references + 1);
218       assert(templ->max_references <= 16);
219       break;
220    }
221    default:
222       fprintf(stderr, "invalid codec\n");
223       goto fail;
224    }
225 
226    ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM, 0,
227                            0x4000, NULL, &dec->fw_bo);
228    if (ret)
229       goto fail;
230 
231    ret = nouveau_vp3_load_firmware(dec, templ->profile, screen->device->chipset);
232    if (ret)
233       goto fw_fail;
234 
235    if (codec != 3) {
236       ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM, 0,
237                            0x400, NULL, &dec->bitplane_bo);
238       if (ret)
239          goto fail;
240    }
241 
242    dec->ref_stride = mb(templ->width)*16 * (mb_half(templ->height)*32 + nouveau_vp3_video_align(templ->height)/2);
243    ret = nouveau_bo_new(screen->device, NOUVEAU_BO_VRAM, 0,
244                         dec->ref_stride * (templ->max_references+2) + tmp_size,
245                         NULL, &dec->ref_bo);
246    if (ret)
247       goto fail;
248 
249    timeout = 0;
250 
251    BEGIN_NV04(push[0], SUBC_BSP(0x200), 2);
252    PUSH_DATA (push[0], codec);
253    PUSH_DATA (push[0], timeout);
254 
255    BEGIN_NV04(push[1], SUBC_VP(0x200), 2);
256    PUSH_DATA (push[1], codec);
257    PUSH_DATA (push[1], timeout);
258 
259    BEGIN_NV04(push[2], SUBC_PPP(0x200), 2);
260    PUSH_DATA (push[2], ppp_codec);
261    PUSH_DATA (push[2], timeout);
262 
263    ++dec->fence_seq;
264 
265 #if NOUVEAU_VP3_DEBUG_FENCE
266    ret = nouveau_bo_new(screen->device, NOUVEAU_BO_GART|NOUVEAU_BO_MAP,
267                         0, 0x1000, NULL, &dec->fence_bo);
268    if (ret)
269       goto fail;
270 
271    nouveau_bo_map(dec->fence_bo, NOUVEAU_BO_RDWR, screen->client);
272    dec->fence_map = dec->fence_bo->map;
273    dec->fence_map[0] = dec->fence_map[4] = dec->fence_map[8] = 0;
274    dec->comm = (struct comm *)(dec->fence_map + (COMM_OFFSET/sizeof(*dec->fence_map)));
275 
276    /* So lets test if the fence is working? */
277    nouveau_pushbuf_space(push[0], 16, 1, 0);
278    PUSH_REFN (push[0], dec->fence_bo, NOUVEAU_BO_GART|NOUVEAU_BO_RDWR);
279    BEGIN_NV04(push[0], SUBC_BSP(0x240), 3);
280    PUSH_DATAh(push[0], dec->fence_bo->offset);
281    PUSH_DATA (push[0], dec->fence_bo->offset);
282    PUSH_DATA (push[0], dec->fence_seq);
283 
284    BEGIN_NV04(push[0], SUBC_BSP(0x304), 1);
285    PUSH_DATA (push[0], 0);
286    PUSH_KICK (push[0]);
287 
288    nouveau_pushbuf_space(push[1], 16, 1, 0);
289    PUSH_REFN (push[1], dec->fence_bo, NOUVEAU_BO_GART|NOUVEAU_BO_RDWR);
290    BEGIN_NV04(push[1], SUBC_VP(0x240), 3);
291    PUSH_DATAh(push[1], (dec->fence_bo->offset + 0x10));
292    PUSH_DATA (push[1], (dec->fence_bo->offset + 0x10));
293    PUSH_DATA (push[1], dec->fence_seq);
294 
295    BEGIN_NV04(push[1], SUBC_VP(0x304), 1);
296    PUSH_DATA (push[1], 0);
297    PUSH_KICK (push[1]);
298 
299    nouveau_pushbuf_space(push[2], 16, 1, 0);
300    PUSH_REFN (push[2], dec->fence_bo, NOUVEAU_BO_GART|NOUVEAU_BO_RDWR);
301    BEGIN_NV04(push[2], SUBC_PPP(0x240), 3);
302    PUSH_DATAh(push[2], (dec->fence_bo->offset + 0x20));
303    PUSH_DATA (push[2], (dec->fence_bo->offset + 0x20));
304    PUSH_DATA (push[2], dec->fence_seq);
305 
306    BEGIN_NV04(push[2], SUBC_PPP(0x304), 1);
307    PUSH_DATA (push[2], 0);
308    PUSH_KICK (push[2]);
309 
310    usleep(100);
311    while (dec->fence_seq > dec->fence_map[0] ||
312           dec->fence_seq > dec->fence_map[4] ||
313           dec->fence_seq > dec->fence_map[8]) {
314       debug_printf("%u: %u %u %u\n", dec->fence_seq, dec->fence_map[0], dec->fence_map[4], dec->fence_map[8]);
315       usleep(100);
316    }
317    debug_printf("%u: %u %u %u\n", dec->fence_seq, dec->fence_map[0], dec->fence_map[4], dec->fence_map[8]);
318 #endif
319 
320    return &dec->base;
321 
322 fw_fail:
323    debug_printf("Cannot create decoder without firmware..\n");
324    dec->base.destroy(&dec->base);
325    return NULL;
326 
327 fail:
328    debug_printf("Creation failed: %s (%i)\n", strerror(-ret), ret);
329    dec->base.destroy(&dec->base);
330    return NULL;
331 }
332 
333 struct pipe_video_buffer *
nv98_video_buffer_create(struct pipe_context * pipe,const struct pipe_video_buffer * templat)334 nv98_video_buffer_create(struct pipe_context *pipe,
335                          const struct pipe_video_buffer *templat)
336 {
337    return nouveau_vp3_video_buffer_create(
338          pipe, templat, NV50_RESOURCE_FLAG_VIDEO);
339 }
340