radeon_uvd.c revision 9f464c52
1/**************************************************************************
2 *
3 * Copyright 2011 Advanced Micro Devices, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28/*
29 * Authors:
30 *	Christian König <christian.koenig@amd.com>
31 *
32 */
33
34#include <sys/types.h>
35#include <assert.h>
36#include <errno.h>
37#include <unistd.h>
38#include <stdio.h>
39
40#include "pipe/p_video_codec.h"
41
42#include "util/u_memory.h"
43#include "util/u_video.h"
44
45#include "vl/vl_defines.h"
46#include "vl/vl_mpeg12_decoder.h"
47
48#include "r600_pipe_common.h"
49#include "radeon_video.h"
50#include "radeon_uvd.h"
51
52#define NUM_BUFFERS 4
53
54#define NUM_MPEG2_REFS 6
55#define NUM_H264_REFS 17
56#define NUM_VC1_REFS 5
57
58#define FB_BUFFER_OFFSET 0x1000
59#define FB_BUFFER_SIZE 2048
60#define FB_BUFFER_SIZE_TONGA (2048 * 64)
61#define IT_SCALING_TABLE_SIZE 992
62#define UVD_SESSION_CONTEXT_SIZE (128 * 1024)
63
64/* UVD decoder representation */
65struct ruvd_decoder {
66	struct pipe_video_codec		base;
67
68	ruvd_set_dtb			set_dtb;
69
70	unsigned			stream_handle;
71	unsigned			stream_type;
72	unsigned			frame_number;
73
74	struct pipe_screen		*screen;
75	struct radeon_winsys*		ws;
76	struct radeon_cmdbuf*	cs;
77
78	unsigned			cur_buffer;
79
80	struct rvid_buffer		msg_fb_it_buffers[NUM_BUFFERS];
81	struct ruvd_msg			*msg;
82	uint32_t			*fb;
83	unsigned			fb_size;
84	uint8_t				*it;
85
86	struct rvid_buffer		bs_buffers[NUM_BUFFERS];
87	void*				bs_ptr;
88	unsigned			bs_size;
89
90	struct rvid_buffer		dpb;
91	bool				use_legacy;
92	struct rvid_buffer		ctx;
93	struct rvid_buffer		sessionctx;
94	struct {
95		unsigned 		data0;
96		unsigned		data1;
97		unsigned		cmd;
98		unsigned		cntl;
99	} reg;
100};
101
102/* flush IB to the hardware */
103static int flush(struct ruvd_decoder *dec, unsigned flags)
104{
105	return dec->ws->cs_flush(dec->cs, flags, NULL);
106}
107
108/* add a new set register command to the IB */
109static void set_reg(struct ruvd_decoder *dec, unsigned reg, uint32_t val)
110{
111	radeon_emit(dec->cs, RUVD_PKT0(reg >> 2, 0));
112	radeon_emit(dec->cs, val);
113}
114
115/* send a command to the VCPU through the GPCOM registers */
116static void send_cmd(struct ruvd_decoder *dec, unsigned cmd,
117		     struct pb_buffer* buf, uint32_t off,
118		     enum radeon_bo_usage usage, enum radeon_bo_domain domain)
119{
120	int reloc_idx;
121
122	reloc_idx = dec->ws->cs_add_buffer(dec->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED,
123					   domain, 0);
124	if (!dec->use_legacy) {
125		uint64_t addr;
126		addr = dec->ws->buffer_get_virtual_address(buf);
127		addr = addr + off;
128		set_reg(dec, dec->reg.data0, addr);
129		set_reg(dec, dec->reg.data1, addr >> 32);
130	} else {
131		off += dec->ws->buffer_get_reloc_offset(buf);
132		set_reg(dec, RUVD_GPCOM_VCPU_DATA0, off);
133		set_reg(dec, RUVD_GPCOM_VCPU_DATA1, reloc_idx * 4);
134	}
135	set_reg(dec, dec->reg.cmd, cmd << 1);
136}
137
138/* do the codec needs an IT buffer ?*/
139static bool have_it(struct ruvd_decoder *dec)
140{
141	return dec->stream_type == RUVD_CODEC_H264_PERF ||
142		dec->stream_type == RUVD_CODEC_H265;
143}
144
145/* map the next available message/feedback/itscaling buffer */
146static void map_msg_fb_it_buf(struct ruvd_decoder *dec)
147{
148	struct rvid_buffer* buf;
149	uint8_t *ptr;
150
151	/* grab the current message/feedback buffer */
152	buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
153
154	/* and map it for CPU access */
155	ptr = dec->ws->buffer_map(buf->res->buf, dec->cs,
156                                  PIPE_TRANSFER_WRITE | RADEON_TRANSFER_TEMPORARY);
157
158	/* calc buffer offsets */
159	dec->msg = (struct ruvd_msg *)ptr;
160	memset(dec->msg, 0, sizeof(*dec->msg));
161
162	dec->fb = (uint32_t *)(ptr + FB_BUFFER_OFFSET);
163	if (have_it(dec))
164		dec->it = (uint8_t *)(ptr + FB_BUFFER_OFFSET + dec->fb_size);
165}
166
167/* unmap and send a message command to the VCPU */
168static void send_msg_buf(struct ruvd_decoder *dec)
169{
170	struct rvid_buffer* buf;
171
172	/* ignore the request if message/feedback buffer isn't mapped */
173	if (!dec->msg || !dec->fb)
174		return;
175
176	/* grab the current message buffer */
177	buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
178
179	/* unmap the buffer */
180	dec->ws->buffer_unmap(buf->res->buf);
181	dec->msg = NULL;
182	dec->fb = NULL;
183	dec->it = NULL;
184
185
186	if (dec->sessionctx.res)
187		send_cmd(dec, RUVD_CMD_SESSION_CONTEXT_BUFFER,
188			 dec->sessionctx.res->buf, 0, RADEON_USAGE_READWRITE,
189			 RADEON_DOMAIN_VRAM);
190
191	/* and send it to the hardware */
192	send_cmd(dec, RUVD_CMD_MSG_BUFFER, buf->res->buf, 0,
193		 RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
194}
195
196/* cycle to the next set of buffers */
197static void next_buffer(struct ruvd_decoder *dec)
198{
199	++dec->cur_buffer;
200	dec->cur_buffer %= NUM_BUFFERS;
201}
202
203/* convert the profile into something UVD understands */
204static uint32_t profile2stream_type(struct ruvd_decoder *dec, unsigned family)
205{
206	switch (u_reduce_video_profile(dec->base.profile)) {
207	case PIPE_VIDEO_FORMAT_MPEG4_AVC:
208		return RUVD_CODEC_H264;
209
210	case PIPE_VIDEO_FORMAT_VC1:
211		return RUVD_CODEC_VC1;
212
213	case PIPE_VIDEO_FORMAT_MPEG12:
214		return RUVD_CODEC_MPEG2;
215
216	case PIPE_VIDEO_FORMAT_MPEG4:
217		return RUVD_CODEC_MPEG4;
218
219	case PIPE_VIDEO_FORMAT_HEVC:
220		return RUVD_CODEC_H265;
221
222	case PIPE_VIDEO_FORMAT_JPEG:
223		return RUVD_CODEC_MJPEG;
224
225	default:
226		assert(0);
227		return 0;
228	}
229}
230
231static unsigned calc_ctx_size_h265_main(struct ruvd_decoder *dec)
232{
233	unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
234	unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
235
236	unsigned max_references = dec->base.max_references + 1;
237
238	if (dec->base.width * dec->base.height >= 4096*2000)
239		max_references = MAX2(max_references, 8);
240	else
241		max_references = MAX2(max_references, 17);
242
243	width = align (width, 16);
244	height = align (height, 16);
245	return ((width + 255) / 16) * ((height + 255) / 16) * 16 * max_references + 52 * 1024;
246}
247
248static unsigned calc_ctx_size_h265_main10(struct ruvd_decoder *dec, struct pipe_h265_picture_desc *pic)
249{
250	unsigned log2_ctb_size, width_in_ctb, height_in_ctb, num_16x16_block_per_ctb;
251	unsigned context_buffer_size_per_ctb_row, cm_buffer_size, max_mb_address, db_left_tile_pxl_size;
252	unsigned db_left_tile_ctx_size = 4096 / 16 * (32 + 16 * 4);
253
254	unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
255	unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
256	unsigned coeff_10bit = (pic->pps->sps->bit_depth_luma_minus8 || pic->pps->sps->bit_depth_chroma_minus8) ? 2 : 1;
257
258	unsigned max_references = dec->base.max_references + 1;
259
260	if (dec->base.width * dec->base.height >= 4096*2000)
261		max_references = MAX2(max_references, 8);
262	else
263		max_references = MAX2(max_references, 17);
264
265	log2_ctb_size = pic->pps->sps->log2_min_luma_coding_block_size_minus3 + 3 +
266		pic->pps->sps->log2_diff_max_min_luma_coding_block_size;
267
268	width_in_ctb = (width + ((1 << log2_ctb_size) - 1)) >> log2_ctb_size;
269	height_in_ctb = (height + ((1 << log2_ctb_size) - 1)) >> log2_ctb_size;
270
271	num_16x16_block_per_ctb = ((1 << log2_ctb_size) >> 4) * ((1 << log2_ctb_size) >> 4);
272	context_buffer_size_per_ctb_row = align(width_in_ctb * num_16x16_block_per_ctb * 16, 256);
273	max_mb_address = (unsigned) ceil(height * 8 / 2048.0);
274
275	cm_buffer_size = max_references * context_buffer_size_per_ctb_row * height_in_ctb;
276	db_left_tile_pxl_size = coeff_10bit * (max_mb_address * 2 * 2048 + 1024);
277
278	return cm_buffer_size + db_left_tile_ctx_size + db_left_tile_pxl_size;
279}
280
281static unsigned get_db_pitch_alignment(struct ruvd_decoder *dec)
282{
283	return 16;
284}
285
286/* calculate size of reference picture buffer */
287static unsigned calc_dpb_size(struct ruvd_decoder *dec)
288{
289	unsigned width_in_mb, height_in_mb, image_size, dpb_size;
290
291	// always align them to MB size for dpb calculation
292	unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
293	unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
294
295	// always one more for currently decoded picture
296	unsigned max_references = dec->base.max_references + 1;
297
298	// aligned size of a single frame
299	image_size = align(width, get_db_pitch_alignment(dec)) * height;
300	image_size += image_size / 2;
301	image_size = align(image_size, 1024);
302
303	// picture width & height in 16 pixel units
304	width_in_mb = width / VL_MACROBLOCK_WIDTH;
305	height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2);
306
307	switch (u_reduce_video_profile(dec->base.profile)) {
308	case PIPE_VIDEO_FORMAT_MPEG4_AVC: {
309		if (!dec->use_legacy) {
310			unsigned fs_in_mb = width_in_mb * height_in_mb;
311			unsigned alignment = 64, num_dpb_buffer;
312
313			if (dec->stream_type == RUVD_CODEC_H264_PERF)
314				alignment = 256;
315			switch(dec->base.level) {
316			case 30:
317				num_dpb_buffer = 8100 / fs_in_mb;
318				break;
319			case 31:
320				num_dpb_buffer = 18000 / fs_in_mb;
321				break;
322			case 32:
323				num_dpb_buffer = 20480 / fs_in_mb;
324				break;
325			case 41:
326				num_dpb_buffer = 32768 / fs_in_mb;
327				break;
328			case 42:
329				num_dpb_buffer = 34816 / fs_in_mb;
330				break;
331			case 50:
332				num_dpb_buffer = 110400 / fs_in_mb;
333				break;
334			case 51:
335				num_dpb_buffer = 184320 / fs_in_mb;
336				break;
337			default:
338				num_dpb_buffer = 184320 / fs_in_mb;
339				break;
340			}
341			num_dpb_buffer++;
342			max_references = MAX2(MIN2(NUM_H264_REFS, num_dpb_buffer), max_references);
343			dpb_size = image_size * max_references;
344			if ((dec->stream_type != RUVD_CODEC_H264_PERF)) {
345				dpb_size += max_references * align(width_in_mb * height_in_mb  * 192, alignment);
346				dpb_size += align(width_in_mb * height_in_mb * 32, alignment);
347			}
348		} else {
349			// the firmware seems to allways assume a minimum of ref frames
350			max_references = MAX2(NUM_H264_REFS, max_references);
351			// reference picture buffer
352			dpb_size = image_size * max_references;
353			if ((dec->stream_type != RUVD_CODEC_H264_PERF)) {
354				// macroblock context buffer
355				dpb_size += width_in_mb * height_in_mb * max_references * 192;
356				// IT surface buffer
357				dpb_size += width_in_mb * height_in_mb * 32;
358			}
359		}
360		break;
361	}
362
363	case PIPE_VIDEO_FORMAT_HEVC:
364		if (dec->base.width * dec->base.height >= 4096*2000)
365			max_references = MAX2(max_references, 8);
366		else
367			max_references = MAX2(max_references, 17);
368
369		width = align (width, 16);
370		height = align (height, 16);
371		if (dec->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
372			dpb_size = align((align(width, get_db_pitch_alignment(dec)) * height * 9) / 4, 256) * max_references;
373		else
374			dpb_size = align((align(width, get_db_pitch_alignment(dec)) * height * 3) / 2, 256) * max_references;
375		break;
376
377	case PIPE_VIDEO_FORMAT_VC1:
378		// the firmware seems to allways assume a minimum of ref frames
379		max_references = MAX2(NUM_VC1_REFS, max_references);
380
381		// reference picture buffer
382		dpb_size = image_size * max_references;
383
384		// CONTEXT_BUFFER
385		dpb_size += width_in_mb * height_in_mb * 128;
386
387		// IT surface buffer
388		dpb_size += width_in_mb * 64;
389
390		// DB surface buffer
391		dpb_size += width_in_mb * 128;
392
393		// BP
394		dpb_size += align(MAX2(width_in_mb, height_in_mb) * 7 * 16, 64);
395		break;
396
397	case PIPE_VIDEO_FORMAT_MPEG12:
398		// reference picture buffer, must be big enough for all frames
399		dpb_size = image_size * NUM_MPEG2_REFS;
400		break;
401
402	case PIPE_VIDEO_FORMAT_MPEG4:
403		// reference picture buffer
404		dpb_size = image_size * max_references;
405
406		// CM
407		dpb_size += width_in_mb * height_in_mb * 64;
408
409		// IT surface buffer
410		dpb_size += align(width_in_mb * height_in_mb * 32, 64);
411
412		dpb_size = MAX2(dpb_size, 30 * 1024 * 1024);
413		break;
414
415	case PIPE_VIDEO_FORMAT_JPEG:
416		dpb_size = 0;
417		break;
418
419	default:
420		// something is missing here
421		assert(0);
422
423		// at least use a sane default value
424		dpb_size = 32 * 1024 * 1024;
425		break;
426	}
427	return dpb_size;
428}
429
430/* free associated data in the video buffer callback */
431static void ruvd_destroy_associated_data(void *data)
432{
433	/* NOOP, since we only use an intptr */
434}
435
436/* get h264 specific message bits */
437static struct ruvd_h264 get_h264_msg(struct ruvd_decoder *dec, struct pipe_h264_picture_desc *pic)
438{
439	struct ruvd_h264 result;
440
441	memset(&result, 0, sizeof(result));
442	switch (pic->base.profile) {
443	case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
444	case PIPE_VIDEO_PROFILE_MPEG4_AVC_CONSTRAINED_BASELINE:
445		result.profile = RUVD_H264_PROFILE_BASELINE;
446		break;
447
448	case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
449		result.profile = RUVD_H264_PROFILE_MAIN;
450		break;
451
452	case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
453		result.profile = RUVD_H264_PROFILE_HIGH;
454		break;
455
456	default:
457		assert(0);
458		break;
459	}
460
461	result.level = dec->base.level;
462
463	result.sps_info_flags = 0;
464	result.sps_info_flags |= pic->pps->sps->direct_8x8_inference_flag << 0;
465	result.sps_info_flags |= pic->pps->sps->mb_adaptive_frame_field_flag << 1;
466	result.sps_info_flags |= pic->pps->sps->frame_mbs_only_flag << 2;
467	result.sps_info_flags |= pic->pps->sps->delta_pic_order_always_zero_flag << 3;
468
469	result.bit_depth_luma_minus8 = pic->pps->sps->bit_depth_luma_minus8;
470	result.bit_depth_chroma_minus8 = pic->pps->sps->bit_depth_chroma_minus8;
471	result.log2_max_frame_num_minus4 = pic->pps->sps->log2_max_frame_num_minus4;
472	result.pic_order_cnt_type = pic->pps->sps->pic_order_cnt_type;
473	result.log2_max_pic_order_cnt_lsb_minus4 = pic->pps->sps->log2_max_pic_order_cnt_lsb_minus4;
474
475	switch (dec->base.chroma_format) {
476	case PIPE_VIDEO_CHROMA_FORMAT_NONE:
477		/* TODO: assert? */
478		break;
479	case PIPE_VIDEO_CHROMA_FORMAT_400:
480		result.chroma_format = 0;
481		break;
482	case PIPE_VIDEO_CHROMA_FORMAT_420:
483		result.chroma_format = 1;
484		break;
485	case PIPE_VIDEO_CHROMA_FORMAT_422:
486		result.chroma_format = 2;
487		break;
488	case PIPE_VIDEO_CHROMA_FORMAT_444:
489		result.chroma_format = 3;
490		break;
491	}
492
493	result.pps_info_flags = 0;
494	result.pps_info_flags |= pic->pps->transform_8x8_mode_flag << 0;
495	result.pps_info_flags |= pic->pps->redundant_pic_cnt_present_flag << 1;
496	result.pps_info_flags |= pic->pps->constrained_intra_pred_flag << 2;
497	result.pps_info_flags |= pic->pps->deblocking_filter_control_present_flag << 3;
498	result.pps_info_flags |= pic->pps->weighted_bipred_idc << 4;
499	result.pps_info_flags |= pic->pps->weighted_pred_flag << 6;
500	result.pps_info_flags |= pic->pps->bottom_field_pic_order_in_frame_present_flag << 7;
501	result.pps_info_flags |= pic->pps->entropy_coding_mode_flag << 8;
502
503	result.num_slice_groups_minus1 = pic->pps->num_slice_groups_minus1;
504	result.slice_group_map_type = pic->pps->slice_group_map_type;
505	result.slice_group_change_rate_minus1 = pic->pps->slice_group_change_rate_minus1;
506	result.pic_init_qp_minus26 = pic->pps->pic_init_qp_minus26;
507	result.chroma_qp_index_offset = pic->pps->chroma_qp_index_offset;
508	result.second_chroma_qp_index_offset = pic->pps->second_chroma_qp_index_offset;
509
510	memcpy(result.scaling_list_4x4, pic->pps->ScalingList4x4, 6*16);
511	memcpy(result.scaling_list_8x8, pic->pps->ScalingList8x8, 2*64);
512
513	if (dec->stream_type == RUVD_CODEC_H264_PERF) {
514		memcpy(dec->it, result.scaling_list_4x4, 6*16);
515		memcpy((dec->it + 96), result.scaling_list_8x8, 2*64);
516	}
517
518	result.num_ref_frames = pic->num_ref_frames;
519
520	result.num_ref_idx_l0_active_minus1 = pic->num_ref_idx_l0_active_minus1;
521	result.num_ref_idx_l1_active_minus1 = pic->num_ref_idx_l1_active_minus1;
522
523	result.frame_num = pic->frame_num;
524	memcpy(result.frame_num_list, pic->frame_num_list, 4*16);
525	result.curr_field_order_cnt_list[0] = pic->field_order_cnt[0];
526	result.curr_field_order_cnt_list[1] = pic->field_order_cnt[1];
527	memcpy(result.field_order_cnt_list, pic->field_order_cnt_list, 4*16*2);
528
529	result.decoded_pic_idx = pic->frame_num;
530
531	return result;
532}
533
534/* get h265 specific message bits */
535static struct ruvd_h265 get_h265_msg(struct ruvd_decoder *dec, struct pipe_video_buffer *target,
536				     struct pipe_h265_picture_desc *pic)
537{
538	struct ruvd_h265 result;
539	unsigned i;
540
541	memset(&result, 0, sizeof(result));
542
543	result.sps_info_flags = 0;
544	result.sps_info_flags |= pic->pps->sps->scaling_list_enabled_flag << 0;
545	result.sps_info_flags |= pic->pps->sps->amp_enabled_flag << 1;
546	result.sps_info_flags |= pic->pps->sps->sample_adaptive_offset_enabled_flag << 2;
547	result.sps_info_flags |= pic->pps->sps->pcm_enabled_flag << 3;
548	result.sps_info_flags |= pic->pps->sps->pcm_loop_filter_disabled_flag << 4;
549	result.sps_info_flags |= pic->pps->sps->long_term_ref_pics_present_flag << 5;
550	result.sps_info_flags |= pic->pps->sps->sps_temporal_mvp_enabled_flag << 6;
551	result.sps_info_flags |= pic->pps->sps->strong_intra_smoothing_enabled_flag << 7;
552	result.sps_info_flags |= pic->pps->sps->separate_colour_plane_flag << 8;
553	if (pic->UseRefPicList == true)
554		result.sps_info_flags |= 1 << 10;
555
556	result.chroma_format = pic->pps->sps->chroma_format_idc;
557	result.bit_depth_luma_minus8 = pic->pps->sps->bit_depth_luma_minus8;
558	result.bit_depth_chroma_minus8 = pic->pps->sps->bit_depth_chroma_minus8;
559	result.log2_max_pic_order_cnt_lsb_minus4 = pic->pps->sps->log2_max_pic_order_cnt_lsb_minus4;
560	result.sps_max_dec_pic_buffering_minus1 = pic->pps->sps->sps_max_dec_pic_buffering_minus1;
561	result.log2_min_luma_coding_block_size_minus3 = pic->pps->sps->log2_min_luma_coding_block_size_minus3;
562	result.log2_diff_max_min_luma_coding_block_size = pic->pps->sps->log2_diff_max_min_luma_coding_block_size;
563	result.log2_min_transform_block_size_minus2 = pic->pps->sps->log2_min_transform_block_size_minus2;
564	result.log2_diff_max_min_transform_block_size = pic->pps->sps->log2_diff_max_min_transform_block_size;
565	result.max_transform_hierarchy_depth_inter = pic->pps->sps->max_transform_hierarchy_depth_inter;
566	result.max_transform_hierarchy_depth_intra = pic->pps->sps->max_transform_hierarchy_depth_intra;
567	result.pcm_sample_bit_depth_luma_minus1 = pic->pps->sps->pcm_sample_bit_depth_luma_minus1;
568	result.pcm_sample_bit_depth_chroma_minus1 = pic->pps->sps->pcm_sample_bit_depth_chroma_minus1;
569	result.log2_min_pcm_luma_coding_block_size_minus3 = pic->pps->sps->log2_min_pcm_luma_coding_block_size_minus3;
570	result.log2_diff_max_min_pcm_luma_coding_block_size = pic->pps->sps->log2_diff_max_min_pcm_luma_coding_block_size;
571	result.num_short_term_ref_pic_sets = pic->pps->sps->num_short_term_ref_pic_sets;
572
573	result.pps_info_flags = 0;
574	result.pps_info_flags |= pic->pps->dependent_slice_segments_enabled_flag << 0;
575	result.pps_info_flags |= pic->pps->output_flag_present_flag << 1;
576	result.pps_info_flags |= pic->pps->sign_data_hiding_enabled_flag << 2;
577	result.pps_info_flags |= pic->pps->cabac_init_present_flag << 3;
578	result.pps_info_flags |= pic->pps->constrained_intra_pred_flag << 4;
579	result.pps_info_flags |= pic->pps->transform_skip_enabled_flag << 5;
580	result.pps_info_flags |= pic->pps->cu_qp_delta_enabled_flag << 6;
581	result.pps_info_flags |= pic->pps->pps_slice_chroma_qp_offsets_present_flag << 7;
582	result.pps_info_flags |= pic->pps->weighted_pred_flag << 8;
583	result.pps_info_flags |= pic->pps->weighted_bipred_flag << 9;
584	result.pps_info_flags |= pic->pps->transquant_bypass_enabled_flag << 10;
585	result.pps_info_flags |= pic->pps->tiles_enabled_flag << 11;
586	result.pps_info_flags |= pic->pps->entropy_coding_sync_enabled_flag << 12;
587	result.pps_info_flags |= pic->pps->uniform_spacing_flag << 13;
588	result.pps_info_flags |= pic->pps->loop_filter_across_tiles_enabled_flag << 14;
589	result.pps_info_flags |= pic->pps->pps_loop_filter_across_slices_enabled_flag << 15;
590	result.pps_info_flags |= pic->pps->deblocking_filter_override_enabled_flag << 16;
591	result.pps_info_flags |= pic->pps->pps_deblocking_filter_disabled_flag << 17;
592	result.pps_info_flags |= pic->pps->lists_modification_present_flag << 18;
593	result.pps_info_flags |= pic->pps->slice_segment_header_extension_present_flag << 19;
594	//result.pps_info_flags |= pic->pps->deblocking_filter_control_present_flag; ???
595
596	result.num_extra_slice_header_bits = pic->pps->num_extra_slice_header_bits;
597	result.num_long_term_ref_pic_sps = pic->pps->sps->num_long_term_ref_pics_sps;
598	result.num_ref_idx_l0_default_active_minus1 = pic->pps->num_ref_idx_l0_default_active_minus1;
599	result.num_ref_idx_l1_default_active_minus1 = pic->pps->num_ref_idx_l1_default_active_minus1;
600	result.pps_cb_qp_offset = pic->pps->pps_cb_qp_offset;
601	result.pps_cr_qp_offset = pic->pps->pps_cr_qp_offset;
602	result.pps_beta_offset_div2 = pic->pps->pps_beta_offset_div2;
603	result.pps_tc_offset_div2 = pic->pps->pps_tc_offset_div2;
604	result.diff_cu_qp_delta_depth = pic->pps->diff_cu_qp_delta_depth;
605	result.num_tile_columns_minus1 = pic->pps->num_tile_columns_minus1;
606	result.num_tile_rows_minus1 = pic->pps->num_tile_rows_minus1;
607	result.log2_parallel_merge_level_minus2 = pic->pps->log2_parallel_merge_level_minus2;
608	result.init_qp_minus26 = pic->pps->init_qp_minus26;
609
610	for (i = 0; i < 19; ++i)
611		result.column_width_minus1[i] = pic->pps->column_width_minus1[i];
612
613	for (i = 0; i < 21; ++i)
614		result.row_height_minus1[i] = pic->pps->row_height_minus1[i];
615
616	result.num_delta_pocs_ref_rps_idx = pic->NumDeltaPocsOfRefRpsIdx;
617	result.curr_idx = pic->CurrPicOrderCntVal;
618	result.curr_poc = pic->CurrPicOrderCntVal;
619
620	vl_video_buffer_set_associated_data(target, &dec->base,
621					    (void *)(uintptr_t)pic->CurrPicOrderCntVal,
622					    &ruvd_destroy_associated_data);
623
624	for (i = 0; i < 16; ++i) {
625		struct pipe_video_buffer *ref = pic->ref[i];
626		uintptr_t ref_pic = 0;
627
628		result.poc_list[i] = pic->PicOrderCntVal[i];
629
630		if (ref)
631			ref_pic = (uintptr_t)vl_video_buffer_get_associated_data(ref, &dec->base);
632		else
633			ref_pic = 0x7F;
634		result.ref_pic_list[i] = ref_pic;
635	}
636
637	for (i = 0; i < 8; ++i) {
638		result.ref_pic_set_st_curr_before[i] = 0xFF;
639		result.ref_pic_set_st_curr_after[i] = 0xFF;
640		result.ref_pic_set_lt_curr[i] = 0xFF;
641	}
642
643	for (i = 0; i < pic->NumPocStCurrBefore; ++i)
644		result.ref_pic_set_st_curr_before[i] = pic->RefPicSetStCurrBefore[i];
645
646	for (i = 0; i < pic->NumPocStCurrAfter; ++i)
647		result.ref_pic_set_st_curr_after[i] = pic->RefPicSetStCurrAfter[i];
648
649	for (i = 0; i < pic->NumPocLtCurr; ++i)
650		result.ref_pic_set_lt_curr[i] = pic->RefPicSetLtCurr[i];
651
652	for (i = 0; i < 6; ++i)
653		result.ucScalingListDCCoefSizeID2[i] = pic->pps->sps->ScalingListDCCoeff16x16[i];
654
655	for (i = 0; i < 2; ++i)
656		result.ucScalingListDCCoefSizeID3[i] = pic->pps->sps->ScalingListDCCoeff32x32[i];
657
658	memcpy(dec->it, pic->pps->sps->ScalingList4x4, 6 * 16);
659	memcpy(dec->it + 96, pic->pps->sps->ScalingList8x8, 6 * 64);
660	memcpy(dec->it + 480, pic->pps->sps->ScalingList16x16, 6 * 64);
661	memcpy(dec->it + 864, pic->pps->sps->ScalingList32x32, 2 * 64);
662
663	for (i = 0 ; i < 2 ; i++) {
664		for (int j = 0 ; j < 15 ; j++)
665			result.direct_reflist[i][j] = pic->RefPicList[i][j];
666	}
667
668	if (pic->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10) {
669		if (target->buffer_format == PIPE_FORMAT_P016) {
670			result.p010_mode = 1;
671			result.msb_mode = 1;
672		} else {
673			result.luma_10to8 = 5;
674			result.chroma_10to8 = 5;
675			result.sclr_luma10to8 = 4;
676			result.sclr_chroma10to8 = 4;
677		}
678	}
679
680	/* TODO
681	result.highestTid;
682	result.isNonRef;
683
684	IDRPicFlag;
685	RAPPicFlag;
686	NumPocTotalCurr;
687	NumShortTermPictureSliceHeaderBits;
688	NumLongTermPictureSliceHeaderBits;
689
690	IsLongTerm[16];
691	*/
692
693	return result;
694}
695
696/* get vc1 specific message bits */
697static struct ruvd_vc1 get_vc1_msg(struct pipe_vc1_picture_desc *pic)
698{
699	struct ruvd_vc1 result;
700
701	memset(&result, 0, sizeof(result));
702
703	switch(pic->base.profile) {
704	case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
705		result.profile = RUVD_VC1_PROFILE_SIMPLE;
706		result.level = 1;
707		break;
708
709	case PIPE_VIDEO_PROFILE_VC1_MAIN:
710		result.profile = RUVD_VC1_PROFILE_MAIN;
711		result.level = 2;
712		break;
713
714	case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
715		result.profile = RUVD_VC1_PROFILE_ADVANCED;
716		result.level = 4;
717		break;
718
719	default:
720		assert(0);
721	}
722
723	/* fields common for all profiles */
724	result.sps_info_flags |= pic->postprocflag << 7;
725	result.sps_info_flags |= pic->pulldown << 6;
726	result.sps_info_flags |= pic->interlace << 5;
727	result.sps_info_flags |= pic->tfcntrflag << 4;
728	result.sps_info_flags |= pic->finterpflag << 3;
729	result.sps_info_flags |= pic->psf << 1;
730
731	result.pps_info_flags |= pic->range_mapy_flag << 31;
732	result.pps_info_flags |= pic->range_mapy << 28;
733	result.pps_info_flags |= pic->range_mapuv_flag << 27;
734	result.pps_info_flags |= pic->range_mapuv << 24;
735	result.pps_info_flags |= pic->multires << 21;
736	result.pps_info_flags |= pic->maxbframes << 16;
737	result.pps_info_flags |= pic->overlap << 11;
738	result.pps_info_flags |= pic->quantizer << 9;
739	result.pps_info_flags |= pic->panscan_flag << 7;
740	result.pps_info_flags |= pic->refdist_flag << 6;
741	result.pps_info_flags |= pic->vstransform << 0;
742
743	/* some fields only apply to main/advanced profile */
744	if (pic->base.profile != PIPE_VIDEO_PROFILE_VC1_SIMPLE) {
745		result.pps_info_flags |= pic->syncmarker << 20;
746		result.pps_info_flags |= pic->rangered << 19;
747		result.pps_info_flags |= pic->loopfilter << 5;
748		result.pps_info_flags |= pic->fastuvmc << 4;
749		result.pps_info_flags |= pic->extended_mv << 3;
750		result.pps_info_flags |= pic->extended_dmv << 8;
751		result.pps_info_flags |= pic->dquant << 1;
752	}
753
754	result.chroma_format = 1;
755
756#if 0
757//(((unsigned int)(pPicParams->advance.reserved1))        << SPS_INFO_VC1_RESERVED_SHIFT)
758uint32_t 	slice_count
759uint8_t 	picture_type
760uint8_t 	frame_coding_mode
761uint8_t 	deblockEnable
762uint8_t 	pquant
763#endif
764
765	return result;
766}
767
768/* extract the frame number from a referenced video buffer */
769static uint32_t get_ref_pic_idx(struct ruvd_decoder *dec, struct pipe_video_buffer *ref)
770{
771	uint32_t min = MAX2(dec->frame_number, NUM_MPEG2_REFS) - NUM_MPEG2_REFS;
772	uint32_t max = MAX2(dec->frame_number, 1) - 1;
773	uintptr_t frame;
774
775	/* seems to be the most sane fallback */
776	if (!ref)
777		return max;
778
779	/* get the frame number from the associated data */
780	frame = (uintptr_t)vl_video_buffer_get_associated_data(ref, &dec->base);
781
782	/* limit the frame number to a valid range */
783	return MAX2(MIN2(frame, max), min);
784}
785
786/* get mpeg2 specific msg bits */
787static struct ruvd_mpeg2 get_mpeg2_msg(struct ruvd_decoder *dec,
788				       struct pipe_mpeg12_picture_desc *pic)
789{
790	const int *zscan = pic->alternate_scan ? vl_zscan_alternate : vl_zscan_normal;
791	struct ruvd_mpeg2 result;
792	unsigned i;
793
794	memset(&result, 0, sizeof(result));
795	result.decoded_pic_idx = dec->frame_number;
796	for (i = 0; i < 2; ++i)
797		result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]);
798
799	result.load_intra_quantiser_matrix = 1;
800	result.load_nonintra_quantiser_matrix = 1;
801
802	for (i = 0; i < 64; ++i) {
803		result.intra_quantiser_matrix[i] = pic->intra_matrix[zscan[i]];
804		result.nonintra_quantiser_matrix[i] = pic->non_intra_matrix[zscan[i]];
805	}
806
807	result.profile_and_level_indication = 0;
808	result.chroma_format = 0x1;
809
810	result.picture_coding_type = pic->picture_coding_type;
811	result.f_code[0][0] = pic->f_code[0][0] + 1;
812	result.f_code[0][1] = pic->f_code[0][1] + 1;
813	result.f_code[1][0] = pic->f_code[1][0] + 1;
814	result.f_code[1][1] = pic->f_code[1][1] + 1;
815	result.intra_dc_precision = pic->intra_dc_precision;
816	result.pic_structure = pic->picture_structure;
817	result.top_field_first = pic->top_field_first;
818	result.frame_pred_frame_dct = pic->frame_pred_frame_dct;
819	result.concealment_motion_vectors = pic->concealment_motion_vectors;
820	result.q_scale_type = pic->q_scale_type;
821	result.intra_vlc_format = pic->intra_vlc_format;
822	result.alternate_scan = pic->alternate_scan;
823
824	return result;
825}
826
827/* get mpeg4 specific msg bits */
828static struct ruvd_mpeg4 get_mpeg4_msg(struct ruvd_decoder *dec,
829				       struct pipe_mpeg4_picture_desc *pic)
830{
831	struct ruvd_mpeg4 result;
832	unsigned i;
833
834	memset(&result, 0, sizeof(result));
835	result.decoded_pic_idx = dec->frame_number;
836	for (i = 0; i < 2; ++i)
837		result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]);
838
839	result.variant_type = 0;
840	result.profile_and_level_indication = 0xF0; // ASP Level0
841
842	result.video_object_layer_verid = 0x5; // advanced simple
843	result.video_object_layer_shape = 0x0; // rectangular
844
845	result.video_object_layer_width = dec->base.width;
846	result.video_object_layer_height = dec->base.height;
847
848	result.vop_time_increment_resolution = pic->vop_time_increment_resolution;
849
850	result.flags |= pic->short_video_header << 0;
851	//result.flags |= obmc_disable << 1;
852	result.flags |= pic->interlaced << 2;
853        result.flags |= 1 << 3; // load_intra_quant_mat
854	result.flags |= 1 << 4; // load_nonintra_quant_mat
855	result.flags |= pic->quarter_sample << 5;
856	result.flags |= 1 << 6; // complexity_estimation_disable
857	result.flags |= pic->resync_marker_disable << 7;
858	//result.flags |= data_partitioned << 8;
859	//result.flags |= reversible_vlc << 9;
860	result.flags |= 0 << 10; // newpred_enable
861	result.flags |= 0 << 11; // reduced_resolution_vop_enable
862	//result.flags |= scalability << 12;
863	//result.flags |= is_object_layer_identifier << 13;
864	//result.flags |= fixed_vop_rate << 14;
865	//result.flags |= newpred_segment_type << 15;
866
867	result.quant_type = pic->quant_type;
868
869	for (i = 0; i < 64; ++i) {
870		result.intra_quant_mat[i] = pic->intra_matrix[vl_zscan_normal[i]];
871		result.nonintra_quant_mat[i] = pic->non_intra_matrix[vl_zscan_normal[i]];
872	}
873
874	/*
875	int32_t 	trd [2]
876	int32_t 	trb [2]
877	uint8_t 	vop_coding_type
878	uint8_t 	vop_fcode_forward
879	uint8_t 	vop_fcode_backward
880	uint8_t 	rounding_control
881	uint8_t 	alternate_vertical_scan_flag
882	uint8_t 	top_field_first
883	*/
884
885	return result;
886}
887
888static void get_mjpeg_slice_header(struct ruvd_decoder *dec, struct pipe_mjpeg_picture_desc *pic)
889{
890	int size = 0, saved_size, len_pos, i;
891	uint16_t *bs;
892	uint8_t *buf = dec->bs_ptr;
893
894	/* SOI */
895	buf[size++] = 0xff;
896	buf[size++] = 0xd8;
897
898	/* DQT */
899	buf[size++] = 0xff;
900	buf[size++] = 0xdb;
901
902	len_pos = size++;
903	size++;
904
905	for (i = 0; i < 4; ++i) {
906		if (pic->quantization_table.load_quantiser_table[i] == 0)
907			continue;
908
909		buf[size++] = i;
910		memcpy((buf + size), &pic->quantization_table.quantiser_table[i], 64);
911		size += 64;
912	}
913
914	bs = (uint16_t*)&buf[len_pos];
915	*bs = util_bswap16(size - 4);
916
917	saved_size = size;
918
919	/* DHT */
920	buf[size++] = 0xff;
921	buf[size++] = 0xc4;
922
923	len_pos = size++;
924	size++;
925
926	for (i = 0; i < 2; ++i) {
927		if (pic->huffman_table.load_huffman_table[i] == 0)
928			continue;
929
930		buf[size++] = 0x00 | i;
931		memcpy((buf + size), &pic->huffman_table.table[i].num_dc_codes, 16);
932		size += 16;
933		memcpy((buf + size), &pic->huffman_table.table[i].dc_values, 12);
934		size += 12;
935	}
936
937	for (i = 0; i < 2; ++i) {
938		if (pic->huffman_table.load_huffman_table[i] == 0)
939			continue;
940
941		buf[size++] = 0x10 | i;
942		memcpy((buf + size), &pic->huffman_table.table[i].num_ac_codes, 16);
943		size += 16;
944		memcpy((buf + size), &pic->huffman_table.table[i].ac_values, 162);
945		size += 162;
946	}
947
948	bs = (uint16_t*)&buf[len_pos];
949	*bs = util_bswap16(size - saved_size - 2);
950
951	saved_size = size;
952
953	/* DRI */
954	if (pic->slice_parameter.restart_interval) {
955		buf[size++] = 0xff;
956		buf[size++] = 0xdd;
957		buf[size++] = 0x00;
958		buf[size++] = 0x04;
959		bs = (uint16_t*)&buf[size++];
960		*bs = util_bswap16(pic->slice_parameter.restart_interval);
961		saved_size = ++size;
962	}
963
964	/* SOF */
965	buf[size++] = 0xff;
966	buf[size++] = 0xc0;
967
968	len_pos = size++;
969	size++;
970
971	buf[size++] = 0x08;
972
973	bs = (uint16_t*)&buf[size++];
974	*bs = util_bswap16(pic->picture_parameter.picture_height);
975	size++;
976
977	bs = (uint16_t*)&buf[size++];
978	*bs = util_bswap16(pic->picture_parameter.picture_width);
979	size++;
980
981	buf[size++] = pic->picture_parameter.num_components;
982
983	for (i = 0; i < pic->picture_parameter.num_components; ++i) {
984		buf[size++] = pic->picture_parameter.components[i].component_id;
985		buf[size++] = pic->picture_parameter.components[i].h_sampling_factor << 4 |
986			pic->picture_parameter.components[i].v_sampling_factor;
987		buf[size++] = pic->picture_parameter.components[i].quantiser_table_selector;
988	}
989
990	bs = (uint16_t*)&buf[len_pos];
991	*bs = util_bswap16(size - saved_size - 2);
992
993	saved_size = size;
994
995	/* SOS */
996	buf[size++] = 0xff;
997	buf[size++] = 0xda;
998
999	len_pos = size++;
1000	size++;
1001
1002	buf[size++] = pic->slice_parameter.num_components;
1003
1004	for (i = 0; i < pic->slice_parameter.num_components; ++i) {
1005		buf[size++] = pic->slice_parameter.components[i].component_selector;
1006		buf[size++] = pic->slice_parameter.components[i].dc_table_selector << 4 |
1007			pic->slice_parameter.components[i].ac_table_selector;
1008	}
1009
1010	buf[size++] = 0x00;
1011	buf[size++] = 0x3f;
1012	buf[size++] = 0x00;
1013
1014	bs = (uint16_t*)&buf[len_pos];
1015	*bs = util_bswap16(size - saved_size - 2);
1016
1017	dec->bs_ptr += size;
1018	dec->bs_size += size;
1019}
1020
1021/**
1022 * destroy this video decoder
1023 */
1024static void ruvd_destroy(struct pipe_video_codec *decoder)
1025{
1026	struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
1027	unsigned i;
1028
1029	assert(decoder);
1030
1031	map_msg_fb_it_buf(dec);
1032	dec->msg->size = sizeof(*dec->msg);
1033	dec->msg->msg_type = RUVD_MSG_DESTROY;
1034	dec->msg->stream_handle = dec->stream_handle;
1035	send_msg_buf(dec);
1036
1037	flush(dec, 0);
1038
1039	dec->ws->cs_destroy(dec->cs);
1040
1041	for (i = 0; i < NUM_BUFFERS; ++i) {
1042		rvid_destroy_buffer(&dec->msg_fb_it_buffers[i]);
1043		rvid_destroy_buffer(&dec->bs_buffers[i]);
1044	}
1045
1046	rvid_destroy_buffer(&dec->dpb);
1047	rvid_destroy_buffer(&dec->ctx);
1048	rvid_destroy_buffer(&dec->sessionctx);
1049
1050	FREE(dec);
1051}
1052
1053/**
1054 * start decoding of a new frame
1055 */
1056static void ruvd_begin_frame(struct pipe_video_codec *decoder,
1057			     struct pipe_video_buffer *target,
1058			     struct pipe_picture_desc *picture)
1059{
1060	struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
1061	uintptr_t frame;
1062
1063	assert(decoder);
1064
1065	frame = ++dec->frame_number;
1066	vl_video_buffer_set_associated_data(target, decoder, (void *)frame,
1067					    &ruvd_destroy_associated_data);
1068
1069	dec->bs_size = 0;
1070	dec->bs_ptr = dec->ws->buffer_map(
1071		dec->bs_buffers[dec->cur_buffer].res->buf,
1072		dec->cs, PIPE_TRANSFER_WRITE | RADEON_TRANSFER_TEMPORARY);
1073}
1074
1075/**
1076 * decode a macroblock
1077 */
1078static void ruvd_decode_macroblock(struct pipe_video_codec *decoder,
1079				   struct pipe_video_buffer *target,
1080				   struct pipe_picture_desc *picture,
1081				   const struct pipe_macroblock *macroblocks,
1082				   unsigned num_macroblocks)
1083{
1084	/* not supported (yet) */
1085	assert(0);
1086}
1087
1088/**
1089 * decode a bitstream
1090 */
1091static void ruvd_decode_bitstream(struct pipe_video_codec *decoder,
1092				  struct pipe_video_buffer *target,
1093				  struct pipe_picture_desc *picture,
1094				  unsigned num_buffers,
1095				  const void * const *buffers,
1096				  const unsigned *sizes)
1097{
1098	struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
1099	enum pipe_video_format format = u_reduce_video_profile(picture->profile);
1100	unsigned i;
1101
1102	assert(decoder);
1103
1104	if (!dec->bs_ptr)
1105		return;
1106
1107	if (format == PIPE_VIDEO_FORMAT_JPEG)
1108		get_mjpeg_slice_header(dec, (struct pipe_mjpeg_picture_desc*)picture);
1109
1110	for (i = 0; i < num_buffers; ++i) {
1111		struct rvid_buffer *buf = &dec->bs_buffers[dec->cur_buffer];
1112		unsigned new_size = dec->bs_size + sizes[i];
1113
1114		if (format == PIPE_VIDEO_FORMAT_JPEG)
1115			new_size += 2; /* save for EOI */
1116
1117		if (new_size > buf->res->buf->size) {
1118			dec->ws->buffer_unmap(buf->res->buf);
1119			if (!rvid_resize_buffer(dec->screen, dec->cs, buf, new_size)) {
1120				RVID_ERR("Can't resize bitstream buffer!");
1121				return;
1122			}
1123
1124			dec->bs_ptr = dec->ws->buffer_map(buf->res->buf, dec->cs,
1125							  PIPE_TRANSFER_WRITE |
1126							  RADEON_TRANSFER_TEMPORARY);
1127			if (!dec->bs_ptr)
1128				return;
1129
1130			dec->bs_ptr += dec->bs_size;
1131		}
1132
1133		memcpy(dec->bs_ptr, buffers[i], sizes[i]);
1134		dec->bs_size += sizes[i];
1135		dec->bs_ptr += sizes[i];
1136	}
1137
1138	if (format == PIPE_VIDEO_FORMAT_JPEG) {
1139		((uint8_t *)dec->bs_ptr)[0] = 0xff;	/* EOI */
1140		((uint8_t *)dec->bs_ptr)[1] = 0xd9;
1141		dec->bs_size += 2;
1142		dec->bs_ptr += 2;
1143	}
1144}
1145
1146/**
1147 * end decoding of the current frame
1148 */
1149static void ruvd_end_frame(struct pipe_video_codec *decoder,
1150			   struct pipe_video_buffer *target,
1151			   struct pipe_picture_desc *picture)
1152{
1153	struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
1154	struct pb_buffer *dt;
1155	struct rvid_buffer *msg_fb_it_buf, *bs_buf;
1156	unsigned bs_size;
1157
1158	assert(decoder);
1159
1160	if (!dec->bs_ptr)
1161		return;
1162
1163	msg_fb_it_buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
1164	bs_buf = &dec->bs_buffers[dec->cur_buffer];
1165
1166	bs_size = align(dec->bs_size, 128);
1167	memset(dec->bs_ptr, 0, bs_size - dec->bs_size);
1168	dec->ws->buffer_unmap(bs_buf->res->buf);
1169
1170	map_msg_fb_it_buf(dec);
1171	dec->msg->size = sizeof(*dec->msg);
1172	dec->msg->msg_type = RUVD_MSG_DECODE;
1173	dec->msg->stream_handle = dec->stream_handle;
1174	dec->msg->status_report_feedback_number = dec->frame_number;
1175
1176	dec->msg->body.decode.stream_type = dec->stream_type;
1177	dec->msg->body.decode.decode_flags = 0x1;
1178	dec->msg->body.decode.width_in_samples = dec->base.width;
1179	dec->msg->body.decode.height_in_samples = dec->base.height;
1180
1181	if ((picture->profile == PIPE_VIDEO_PROFILE_VC1_SIMPLE) ||
1182	    (picture->profile == PIPE_VIDEO_PROFILE_VC1_MAIN)) {
1183		dec->msg->body.decode.width_in_samples = align(dec->msg->body.decode.width_in_samples, 16) / 16;
1184		dec->msg->body.decode.height_in_samples = align(dec->msg->body.decode.height_in_samples, 16) / 16;
1185	}
1186
1187	if (dec->dpb.res)
1188		dec->msg->body.decode.dpb_size = dec->dpb.res->buf->size;
1189	dec->msg->body.decode.bsd_size = bs_size;
1190	dec->msg->body.decode.db_pitch = align(dec->base.width, get_db_pitch_alignment(dec));
1191
1192	dt = dec->set_dtb(dec->msg, (struct vl_video_buffer *)target);
1193
1194	switch (u_reduce_video_profile(picture->profile)) {
1195	case PIPE_VIDEO_FORMAT_MPEG4_AVC:
1196		dec->msg->body.decode.codec.h264 = get_h264_msg(dec, (struct pipe_h264_picture_desc*)picture);
1197		break;
1198
1199	case PIPE_VIDEO_FORMAT_HEVC:
1200		dec->msg->body.decode.codec.h265 = get_h265_msg(dec, target, (struct pipe_h265_picture_desc*)picture);
1201		if (dec->ctx.res == NULL) {
1202			unsigned ctx_size;
1203			if (dec->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
1204				ctx_size = calc_ctx_size_h265_main10(dec, (struct pipe_h265_picture_desc*)picture);
1205			else
1206				ctx_size = calc_ctx_size_h265_main(dec);
1207			if (!rvid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT)) {
1208				RVID_ERR("Can't allocated context buffer.\n");
1209			}
1210			rvid_clear_buffer(decoder->context, &dec->ctx);
1211		}
1212
1213		if (dec->ctx.res)
1214			dec->msg->body.decode.dpb_reserved = dec->ctx.res->buf->size;
1215		break;
1216
1217	case PIPE_VIDEO_FORMAT_VC1:
1218		dec->msg->body.decode.codec.vc1 = get_vc1_msg((struct pipe_vc1_picture_desc*)picture);
1219		break;
1220
1221	case PIPE_VIDEO_FORMAT_MPEG12:
1222		dec->msg->body.decode.codec.mpeg2 = get_mpeg2_msg(dec, (struct pipe_mpeg12_picture_desc*)picture);
1223		break;
1224
1225	case PIPE_VIDEO_FORMAT_MPEG4:
1226		dec->msg->body.decode.codec.mpeg4 = get_mpeg4_msg(dec, (struct pipe_mpeg4_picture_desc*)picture);
1227		break;
1228
1229	case PIPE_VIDEO_FORMAT_JPEG:
1230		break;
1231
1232	default:
1233		assert(0);
1234		return;
1235	}
1236
1237	dec->msg->body.decode.db_surf_tile_config = dec->msg->body.decode.dt_surf_tile_config;
1238	dec->msg->body.decode.extension_support = 0x1;
1239
1240	/* set at least the feedback buffer size */
1241	dec->fb[0] = dec->fb_size;
1242
1243	send_msg_buf(dec);
1244
1245	if (dec->dpb.res)
1246		send_cmd(dec, RUVD_CMD_DPB_BUFFER, dec->dpb.res->buf, 0,
1247			RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
1248
1249	if (dec->ctx.res)
1250		send_cmd(dec, RUVD_CMD_CONTEXT_BUFFER, dec->ctx.res->buf, 0,
1251			RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
1252	send_cmd(dec, RUVD_CMD_BITSTREAM_BUFFER, bs_buf->res->buf,
1253		 0, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
1254	send_cmd(dec, RUVD_CMD_DECODING_TARGET_BUFFER, dt, 0,
1255		 RADEON_USAGE_WRITE, RADEON_DOMAIN_VRAM);
1256	send_cmd(dec, RUVD_CMD_FEEDBACK_BUFFER, msg_fb_it_buf->res->buf,
1257		 FB_BUFFER_OFFSET, RADEON_USAGE_WRITE, RADEON_DOMAIN_GTT);
1258	if (have_it(dec))
1259		send_cmd(dec, RUVD_CMD_ITSCALING_TABLE_BUFFER, msg_fb_it_buf->res->buf,
1260			 FB_BUFFER_OFFSET + dec->fb_size, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
1261	set_reg(dec, dec->reg.cntl, 1);
1262
1263	flush(dec, PIPE_FLUSH_ASYNC);
1264	next_buffer(dec);
1265}
1266
1267/**
1268 * flush any outstanding command buffers to the hardware
1269 */
1270static void ruvd_flush(struct pipe_video_codec *decoder)
1271{
1272}
1273
1274/**
1275 * create and UVD decoder
1276 */
1277struct pipe_video_codec *ruvd_create_decoder(struct pipe_context *context,
1278					     const struct pipe_video_codec *templ,
1279					     ruvd_set_dtb set_dtb)
1280{
1281	struct radeon_winsys* ws = ((struct r600_common_context *)context)->ws;
1282	struct r600_common_context *rctx = (struct r600_common_context*)context;
1283	unsigned dpb_size;
1284	unsigned width = templ->width, height = templ->height;
1285	unsigned bs_buf_size;
1286	struct radeon_info info;
1287	struct ruvd_decoder *dec;
1288	int r, i;
1289
1290	ws->query_info(ws, &info);
1291
1292	switch(u_reduce_video_profile(templ->profile)) {
1293	case PIPE_VIDEO_FORMAT_MPEG12:
1294		if (templ->entrypoint > PIPE_VIDEO_ENTRYPOINT_BITSTREAM || info.family < CHIP_PALM)
1295			return vl_create_mpeg12_decoder(context, templ);
1296
1297		/* fall through */
1298	case PIPE_VIDEO_FORMAT_MPEG4:
1299		width = align(width, VL_MACROBLOCK_WIDTH);
1300		height = align(height, VL_MACROBLOCK_HEIGHT);
1301		break;
1302	case PIPE_VIDEO_FORMAT_MPEG4_AVC:
1303		width = align(width, VL_MACROBLOCK_WIDTH);
1304		height = align(height, VL_MACROBLOCK_HEIGHT);
1305		break;
1306
1307	default:
1308		break;
1309	}
1310
1311
1312	dec = CALLOC_STRUCT(ruvd_decoder);
1313
1314	if (!dec)
1315		return NULL;
1316
1317	if (info.drm_major < 3)
1318		dec->use_legacy = true;
1319
1320	dec->base = *templ;
1321	dec->base.context = context;
1322	dec->base.width = width;
1323	dec->base.height = height;
1324
1325	dec->base.destroy = ruvd_destroy;
1326	dec->base.begin_frame = ruvd_begin_frame;
1327	dec->base.decode_macroblock = ruvd_decode_macroblock;
1328	dec->base.decode_bitstream = ruvd_decode_bitstream;
1329	dec->base.end_frame = ruvd_end_frame;
1330	dec->base.flush = ruvd_flush;
1331
1332	dec->stream_type = profile2stream_type(dec, info.family);
1333	dec->set_dtb = set_dtb;
1334	dec->stream_handle = rvid_alloc_stream_handle();
1335	dec->screen = context->screen;
1336	dec->ws = ws;
1337	dec->cs = ws->cs_create(rctx->ctx, RING_UVD, NULL, NULL, false);
1338	if (!dec->cs) {
1339		RVID_ERR("Can't get command submission context.\n");
1340		goto error;
1341	}
1342
1343	dec->fb_size = FB_BUFFER_SIZE;
1344	bs_buf_size = width * height * (512 / (16 * 16));
1345	for (i = 0; i < NUM_BUFFERS; ++i) {
1346		unsigned msg_fb_it_size = FB_BUFFER_OFFSET + dec->fb_size;
1347		STATIC_ASSERT(sizeof(struct ruvd_msg) <= FB_BUFFER_OFFSET);
1348		if (have_it(dec))
1349			msg_fb_it_size += IT_SCALING_TABLE_SIZE;
1350		if (!rvid_create_buffer(dec->screen, &dec->msg_fb_it_buffers[i],
1351					msg_fb_it_size, PIPE_USAGE_STAGING)) {
1352			RVID_ERR("Can't allocated message buffers.\n");
1353			goto error;
1354		}
1355
1356		if (!rvid_create_buffer(dec->screen, &dec->bs_buffers[i],
1357					bs_buf_size, PIPE_USAGE_STAGING)) {
1358			RVID_ERR("Can't allocated bitstream buffers.\n");
1359			goto error;
1360		}
1361
1362		rvid_clear_buffer(context, &dec->msg_fb_it_buffers[i]);
1363		rvid_clear_buffer(context, &dec->bs_buffers[i]);
1364	}
1365
1366	dpb_size = calc_dpb_size(dec);
1367	if (dpb_size) {
1368		if (!rvid_create_buffer(dec->screen, &dec->dpb, dpb_size, PIPE_USAGE_DEFAULT)) {
1369			RVID_ERR("Can't allocated dpb.\n");
1370			goto error;
1371		}
1372		rvid_clear_buffer(context, &dec->dpb);
1373	}
1374
1375	dec->reg.data0 = RUVD_GPCOM_VCPU_DATA0;
1376	dec->reg.data1 = RUVD_GPCOM_VCPU_DATA1;
1377	dec->reg.cmd = RUVD_GPCOM_VCPU_CMD;
1378	dec->reg.cntl = RUVD_ENGINE_CNTL;
1379
1380	map_msg_fb_it_buf(dec);
1381	dec->msg->size = sizeof(*dec->msg);
1382	dec->msg->msg_type = RUVD_MSG_CREATE;
1383	dec->msg->stream_handle = dec->stream_handle;
1384	dec->msg->body.create.stream_type = dec->stream_type;
1385	dec->msg->body.create.width_in_samples = dec->base.width;
1386	dec->msg->body.create.height_in_samples = dec->base.height;
1387	dec->msg->body.create.dpb_size = dpb_size;
1388	send_msg_buf(dec);
1389	r = flush(dec, 0);
1390	if (r)
1391		goto error;
1392
1393	next_buffer(dec);
1394
1395	return &dec->base;
1396
1397error:
1398	if (dec->cs) dec->ws->cs_destroy(dec->cs);
1399
1400	for (i = 0; i < NUM_BUFFERS; ++i) {
1401		rvid_destroy_buffer(&dec->msg_fb_it_buffers[i]);
1402		rvid_destroy_buffer(&dec->bs_buffers[i]);
1403	}
1404
1405	rvid_destroy_buffer(&dec->dpb);
1406	rvid_destroy_buffer(&dec->ctx);
1407	rvid_destroy_buffer(&dec->sessionctx);
1408
1409	FREE(dec);
1410
1411	return NULL;
1412}
1413
1414/* calculate top/bottom offset */
1415static unsigned texture_offset(struct radeon_surf *surface, unsigned layer)
1416{
1417	return surface->u.legacy.level[0].offset +
1418		layer * (uint64_t)surface->u.legacy.level[0].slice_size_dw * 4;
1419}
1420
1421/* hw encode the aspect of macro tiles */
1422static unsigned macro_tile_aspect(unsigned macro_tile_aspect)
1423{
1424	switch (macro_tile_aspect) {
1425	default:
1426	case 1: macro_tile_aspect = 0;  break;
1427	case 2: macro_tile_aspect = 1;  break;
1428	case 4: macro_tile_aspect = 2;  break;
1429	case 8: macro_tile_aspect = 3;  break;
1430	}
1431	return macro_tile_aspect;
1432}
1433
1434/* hw encode the bank width and height */
1435static unsigned bank_wh(unsigned bankwh)
1436{
1437	switch (bankwh) {
1438	default:
1439	case 1: bankwh = 0;     break;
1440	case 2: bankwh = 1;     break;
1441	case 4: bankwh = 2;     break;
1442	case 8: bankwh = 3;     break;
1443	}
1444	return bankwh;
1445}
1446
1447/**
1448 * fill decoding target field from the luma and chroma surfaces
1449 */
1450void ruvd_set_dt_surfaces(struct ruvd_msg *msg, struct radeon_surf *luma,
1451			  struct radeon_surf *chroma)
1452{
1453	msg->body.decode.dt_pitch = luma->u.legacy.level[0].nblk_x * luma->blk_w;
1454	switch (luma->u.legacy.level[0].mode) {
1455	case RADEON_SURF_MODE_LINEAR_ALIGNED:
1456		msg->body.decode.dt_tiling_mode = RUVD_TILE_LINEAR;
1457		msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_LINEAR;
1458		break;
1459	case RADEON_SURF_MODE_1D:
1460		msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8;
1461		msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_1D_THIN;
1462		break;
1463	case RADEON_SURF_MODE_2D:
1464		msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8;
1465		msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_2D_THIN;
1466		break;
1467	default:
1468		assert(0);
1469		break;
1470	}
1471
1472	msg->body.decode.dt_luma_top_offset = texture_offset(luma, 0);
1473	if (chroma)
1474		msg->body.decode.dt_chroma_top_offset = texture_offset(chroma, 0);
1475	if (msg->body.decode.dt_field_mode) {
1476		msg->body.decode.dt_luma_bottom_offset = texture_offset(luma, 1);
1477		if (chroma)
1478			msg->body.decode.dt_chroma_bottom_offset = texture_offset(chroma, 1);
1479	} else {
1480		msg->body.decode.dt_luma_bottom_offset = msg->body.decode.dt_luma_top_offset;
1481		msg->body.decode.dt_chroma_bottom_offset = msg->body.decode.dt_chroma_top_offset;
1482	}
1483
1484	if (chroma) {
1485		assert(luma->u.legacy.bankw == chroma->u.legacy.bankw);
1486		assert(luma->u.legacy.bankh == chroma->u.legacy.bankh);
1487		assert(luma->u.legacy.mtilea == chroma->u.legacy.mtilea);
1488	}
1489
1490	msg->body.decode.dt_surf_tile_config |= RUVD_BANK_WIDTH(bank_wh(luma->u.legacy.bankw));
1491	msg->body.decode.dt_surf_tile_config |= RUVD_BANK_HEIGHT(bank_wh(luma->u.legacy.bankh));
1492	msg->body.decode.dt_surf_tile_config |= RUVD_MACRO_TILE_ASPECT_RATIO(macro_tile_aspect(luma->u.legacy.mtilea));
1493}
1494