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#include <sys/types.h>
29#include <assert.h>
30#include <errno.h>
31#include <unistd.h>
32#include <stdio.h>
33
34#include "pipe/p_video_codec.h"
35
36#include "util/u_memory.h"
37#include "util/u_video.h"
38
39#include "vl/vl_defines.h"
40#include "vl/vl_mpeg12_decoder.h"
41
42#include "radeonsi/si_pipe.h"
43#include "radeon_video.h"
44#include "radeon_uvd.h"
45
46#define NUM_BUFFERS 4
47
48#define NUM_MPEG2_REFS 6
49#define NUM_H264_REFS 17
50#define NUM_VC1_REFS 5
51
52#define FB_BUFFER_OFFSET 0x1000
53#define FB_BUFFER_SIZE 2048
54#define FB_BUFFER_SIZE_TONGA (2048 * 64)
55#define IT_SCALING_TABLE_SIZE 992
56#define UVD_SESSION_CONTEXT_SIZE (128 * 1024)
57
58/* UVD decoder representation */
59struct ruvd_decoder {
60	struct pipe_video_codec		base;
61
62	ruvd_set_dtb			set_dtb;
63
64	unsigned			stream_handle;
65	unsigned			stream_type;
66	unsigned			frame_number;
67
68	struct pipe_screen		*screen;
69	struct radeon_winsys*		ws;
70	struct radeon_cmdbuf*	cs;
71
72	unsigned			cur_buffer;
73
74	struct rvid_buffer		msg_fb_it_buffers[NUM_BUFFERS];
75	struct ruvd_msg			*msg;
76	uint32_t			*fb;
77	unsigned			fb_size;
78	uint8_t				*it;
79
80	struct rvid_buffer		bs_buffers[NUM_BUFFERS];
81	void*				bs_ptr;
82	unsigned			bs_size;
83
84	struct rvid_buffer		dpb;
85	bool				use_legacy;
86	struct rvid_buffer		ctx;
87	struct rvid_buffer		sessionctx;
88	struct {
89		unsigned 		data0;
90		unsigned		data1;
91		unsigned		cmd;
92		unsigned		cntl;
93	} reg;
94
95	void				*render_pic_list[16];
96};
97
98/* flush IB to the hardware */
99static int flush(struct ruvd_decoder *dec, unsigned flags)
100{
101	return dec->ws->cs_flush(dec->cs, flags, NULL);
102}
103
104/* add a new set register command to the IB */
105static void set_reg(struct ruvd_decoder *dec, unsigned reg, uint32_t val)
106{
107	radeon_emit(dec->cs, RUVD_PKT0(reg >> 2, 0));
108	radeon_emit(dec->cs, val);
109}
110
111/* send a command to the VCPU through the GPCOM registers */
112static void send_cmd(struct ruvd_decoder *dec, unsigned cmd,
113		     struct pb_buffer* buf, uint32_t off,
114		     enum radeon_bo_usage usage, enum radeon_bo_domain domain)
115{
116	int reloc_idx;
117
118	reloc_idx = dec->ws->cs_add_buffer(dec->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED,
119					   domain, 0);
120	if (!dec->use_legacy) {
121		uint64_t addr;
122		addr = dec->ws->buffer_get_virtual_address(buf);
123		addr = addr + off;
124		set_reg(dec, dec->reg.data0, addr);
125		set_reg(dec, dec->reg.data1, addr >> 32);
126	} else {
127		off += dec->ws->buffer_get_reloc_offset(buf);
128		set_reg(dec, RUVD_GPCOM_VCPU_DATA0, off);
129		set_reg(dec, RUVD_GPCOM_VCPU_DATA1, reloc_idx * 4);
130	}
131	set_reg(dec, dec->reg.cmd, cmd << 1);
132}
133
134/* do the codec needs an IT buffer ?*/
135static bool have_it(struct ruvd_decoder *dec)
136{
137	return dec->stream_type == RUVD_CODEC_H264_PERF ||
138		dec->stream_type == RUVD_CODEC_H265;
139}
140
141/* map the next available message/feedback/itscaling buffer */
142static void map_msg_fb_it_buf(struct ruvd_decoder *dec)
143{
144	struct rvid_buffer* buf;
145	uint8_t *ptr;
146
147	/* grab the current message/feedback buffer */
148	buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
149
150	/* and map it for CPU access */
151	ptr = dec->ws->buffer_map(buf->res->buf, dec->cs,
152				  PIPE_TRANSFER_WRITE | RADEON_TRANSFER_TEMPORARY);
153
154	/* calc buffer offsets */
155	dec->msg = (struct ruvd_msg *)ptr;
156	memset(dec->msg, 0, sizeof(*dec->msg));
157
158	dec->fb = (uint32_t *)(ptr + FB_BUFFER_OFFSET);
159	if (have_it(dec))
160		dec->it = (uint8_t *)(ptr + FB_BUFFER_OFFSET + dec->fb_size);
161}
162
163/* unmap and send a message command to the VCPU */
164static void send_msg_buf(struct ruvd_decoder *dec)
165{
166	struct rvid_buffer* buf;
167
168	/* ignore the request if message/feedback buffer isn't mapped */
169	if (!dec->msg || !dec->fb)
170		return;
171
172	/* grab the current message buffer */
173	buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
174
175	/* unmap the buffer */
176	dec->ws->buffer_unmap(buf->res->buf);
177	dec->msg = NULL;
178	dec->fb = NULL;
179	dec->it = NULL;
180
181
182	if (dec->sessionctx.res)
183		send_cmd(dec, RUVD_CMD_SESSION_CONTEXT_BUFFER,
184			 dec->sessionctx.res->buf, 0, RADEON_USAGE_READWRITE,
185			 RADEON_DOMAIN_VRAM);
186
187	/* and send it to the hardware */
188	send_cmd(dec, RUVD_CMD_MSG_BUFFER, buf->res->buf, 0,
189		 RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
190}
191
192/* cycle to the next set of buffers */
193static void next_buffer(struct ruvd_decoder *dec)
194{
195	++dec->cur_buffer;
196	dec->cur_buffer %= NUM_BUFFERS;
197}
198
199/* convert the profile into something UVD understands */
200static uint32_t profile2stream_type(struct ruvd_decoder *dec, unsigned family)
201{
202	switch (u_reduce_video_profile(dec->base.profile)) {
203	case PIPE_VIDEO_FORMAT_MPEG4_AVC:
204		return (family >= CHIP_TONGA) ?
205			RUVD_CODEC_H264_PERF : RUVD_CODEC_H264;
206
207	case PIPE_VIDEO_FORMAT_VC1:
208		return RUVD_CODEC_VC1;
209
210	case PIPE_VIDEO_FORMAT_MPEG12:
211		return RUVD_CODEC_MPEG2;
212
213	case PIPE_VIDEO_FORMAT_MPEG4:
214		return RUVD_CODEC_MPEG4;
215
216	case PIPE_VIDEO_FORMAT_HEVC:
217		return RUVD_CODEC_H265;
218
219	case PIPE_VIDEO_FORMAT_JPEG:
220		return RUVD_CODEC_MJPEG;
221
222	default:
223		assert(0);
224		return 0;
225	}
226}
227
228static unsigned calc_ctx_size_h264_perf(struct ruvd_decoder *dec)
229{
230	unsigned width_in_mb, height_in_mb, ctx_size;
231	unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
232	unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
233
234	unsigned max_references = dec->base.max_references + 1;
235
236	// picture width & height in 16 pixel units
237	width_in_mb = width / VL_MACROBLOCK_WIDTH;
238	height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2);
239
240	if (!dec->use_legacy) {
241		unsigned fs_in_mb = width_in_mb * height_in_mb;
242		unsigned num_dpb_buffer;
243		switch(dec->base.level) {
244		case 30:
245			num_dpb_buffer = 8100 / fs_in_mb;
246			break;
247		case 31:
248			num_dpb_buffer = 18000 / fs_in_mb;
249			break;
250		case 32:
251			num_dpb_buffer = 20480 / fs_in_mb;
252			break;
253		case 41:
254			num_dpb_buffer = 32768 / fs_in_mb;
255			break;
256		case 42:
257			num_dpb_buffer = 34816 / fs_in_mb;
258			break;
259		case 50:
260			num_dpb_buffer = 110400 / fs_in_mb;
261			break;
262		case 51:
263			num_dpb_buffer = 184320 / fs_in_mb;
264			break;
265		default:
266			num_dpb_buffer = 184320 / fs_in_mb;
267			break;
268		}
269		num_dpb_buffer++;
270		max_references = MAX2(MIN2(NUM_H264_REFS, num_dpb_buffer), max_references);
271		ctx_size = max_references * align(width_in_mb * height_in_mb  * 192, 256);
272	} else {
273		// the firmware seems to always assume a minimum of ref frames
274		max_references = MAX2(NUM_H264_REFS, max_references);
275		// macroblock context buffer
276		ctx_size = align(width_in_mb * height_in_mb * max_references * 192, 256);
277	}
278
279	return ctx_size;
280}
281
282static unsigned calc_ctx_size_h265_main(struct ruvd_decoder *dec)
283{
284	unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
285	unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
286
287	unsigned max_references = dec->base.max_references + 1;
288
289	if (dec->base.width * dec->base.height >= 4096*2000)
290		max_references = MAX2(max_references, 8);
291	else
292		max_references = MAX2(max_references, 17);
293
294	width = align (width, 16);
295	height = align (height, 16);
296	return ((width + 255) / 16) * ((height + 255) / 16) * 16 * max_references + 52 * 1024;
297}
298
299static unsigned calc_ctx_size_h265_main10(struct ruvd_decoder *dec, struct pipe_h265_picture_desc *pic)
300{
301	unsigned log2_ctb_size, width_in_ctb, height_in_ctb, num_16x16_block_per_ctb;
302	unsigned context_buffer_size_per_ctb_row, cm_buffer_size, max_mb_address, db_left_tile_pxl_size;
303	unsigned db_left_tile_ctx_size = 4096 / 16 * (32 + 16 * 4);
304
305	unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
306	unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
307	unsigned coeff_10bit = (pic->pps->sps->bit_depth_luma_minus8 || pic->pps->sps->bit_depth_chroma_minus8) ? 2 : 1;
308
309	unsigned max_references = dec->base.max_references + 1;
310
311	if (dec->base.width * dec->base.height >= 4096*2000)
312		max_references = MAX2(max_references, 8);
313	else
314		max_references = MAX2(max_references, 17);
315
316	log2_ctb_size = pic->pps->sps->log2_min_luma_coding_block_size_minus3 + 3 +
317		pic->pps->sps->log2_diff_max_min_luma_coding_block_size;
318
319	width_in_ctb = (width + ((1 << log2_ctb_size) - 1)) >> log2_ctb_size;
320	height_in_ctb = (height + ((1 << log2_ctb_size) - 1)) >> log2_ctb_size;
321
322	num_16x16_block_per_ctb = ((1 << log2_ctb_size) >> 4) * ((1 << log2_ctb_size) >> 4);
323	context_buffer_size_per_ctb_row = align(width_in_ctb * num_16x16_block_per_ctb * 16, 256);
324	max_mb_address = (unsigned) ceil(height * 8 / 2048.0);
325
326	cm_buffer_size = max_references * context_buffer_size_per_ctb_row * height_in_ctb;
327	db_left_tile_pxl_size = coeff_10bit * (max_mb_address * 2 * 2048 + 1024);
328
329	return cm_buffer_size + db_left_tile_ctx_size + db_left_tile_pxl_size;
330}
331
332static unsigned get_db_pitch_alignment(struct ruvd_decoder *dec)
333{
334	if (((struct si_screen*)dec->screen)->info.family < CHIP_VEGA10)
335		return 16;
336	else
337		return 32;
338}
339
340/* calculate size of reference picture buffer */
341static unsigned calc_dpb_size(struct ruvd_decoder *dec)
342{
343	unsigned width_in_mb, height_in_mb, image_size, dpb_size;
344
345	// always align them to MB size for dpb calculation
346	unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
347	unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
348
349	// always one more for currently decoded picture
350	unsigned max_references = dec->base.max_references + 1;
351
352	// aligned size of a single frame
353	image_size = align(width, get_db_pitch_alignment(dec)) * height;
354	image_size += image_size / 2;
355	image_size = align(image_size, 1024);
356
357	// picture width & height in 16 pixel units
358	width_in_mb = width / VL_MACROBLOCK_WIDTH;
359	height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2);
360
361	switch (u_reduce_video_profile(dec->base.profile)) {
362	case PIPE_VIDEO_FORMAT_MPEG4_AVC: {
363		if (!dec->use_legacy) {
364			unsigned fs_in_mb = width_in_mb * height_in_mb;
365			unsigned alignment = 64, num_dpb_buffer;
366
367			if (dec->stream_type == RUVD_CODEC_H264_PERF)
368				alignment = 256;
369			switch(dec->base.level) {
370			case 30:
371				num_dpb_buffer = 8100 / fs_in_mb;
372				break;
373			case 31:
374				num_dpb_buffer = 18000 / fs_in_mb;
375				break;
376			case 32:
377				num_dpb_buffer = 20480 / fs_in_mb;
378				break;
379			case 41:
380				num_dpb_buffer = 32768 / fs_in_mb;
381				break;
382			case 42:
383				num_dpb_buffer = 34816 / fs_in_mb;
384				break;
385			case 50:
386				num_dpb_buffer = 110400 / fs_in_mb;
387				break;
388			case 51:
389				num_dpb_buffer = 184320 / fs_in_mb;
390				break;
391			default:
392				num_dpb_buffer = 184320 / fs_in_mb;
393				break;
394			}
395			num_dpb_buffer++;
396			max_references = MAX2(MIN2(NUM_H264_REFS, num_dpb_buffer), max_references);
397			dpb_size = image_size * max_references;
398			if ((dec->stream_type != RUVD_CODEC_H264_PERF) ||
399			    (((struct si_screen*)dec->screen)->info.family < CHIP_POLARIS10)) {
400				dpb_size += max_references * align(width_in_mb * height_in_mb  * 192, alignment);
401				dpb_size += align(width_in_mb * height_in_mb * 32, alignment);
402			}
403		} else {
404			// the firmware seems to allways assume a minimum of ref frames
405			max_references = MAX2(NUM_H264_REFS, max_references);
406			// reference picture buffer
407			dpb_size = image_size * max_references;
408			if ((dec->stream_type != RUVD_CODEC_H264_PERF) ||
409			    (((struct si_screen*)dec->screen)->info.family < CHIP_POLARIS10)) {
410				// macroblock context buffer
411				dpb_size += width_in_mb * height_in_mb * max_references * 192;
412				// IT surface buffer
413				dpb_size += width_in_mb * height_in_mb * 32;
414			}
415		}
416		break;
417	}
418
419	case PIPE_VIDEO_FORMAT_HEVC:
420		if (dec->base.width * dec->base.height >= 4096*2000)
421			max_references = MAX2(max_references, 8);
422		else
423			max_references = MAX2(max_references, 17);
424
425		width = align (width, 16);
426		height = align (height, 16);
427		if (dec->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
428			dpb_size = align((align(width, get_db_pitch_alignment(dec)) * height * 9) / 4, 256) * max_references;
429		else
430			dpb_size = align((align(width, get_db_pitch_alignment(dec)) * height * 3) / 2, 256) * max_references;
431		break;
432
433	case PIPE_VIDEO_FORMAT_VC1:
434		// the firmware seems to allways assume a minimum of ref frames
435		max_references = MAX2(NUM_VC1_REFS, max_references);
436
437		// reference picture buffer
438		dpb_size = image_size * max_references;
439
440		// CONTEXT_BUFFER
441		dpb_size += width_in_mb * height_in_mb * 128;
442
443		// IT surface buffer
444		dpb_size += width_in_mb * 64;
445
446		// DB surface buffer
447		dpb_size += width_in_mb * 128;
448
449		// BP
450		dpb_size += align(MAX2(width_in_mb, height_in_mb) * 7 * 16, 64);
451		break;
452
453	case PIPE_VIDEO_FORMAT_MPEG12:
454		// reference picture buffer, must be big enough for all frames
455		dpb_size = image_size * NUM_MPEG2_REFS;
456		break;
457
458	case PIPE_VIDEO_FORMAT_MPEG4:
459		// reference picture buffer
460		dpb_size = image_size * max_references;
461
462		// CM
463		dpb_size += width_in_mb * height_in_mb * 64;
464
465		// IT surface buffer
466		dpb_size += align(width_in_mb * height_in_mb * 32, 64);
467
468		dpb_size = MAX2(dpb_size, 30 * 1024 * 1024);
469		break;
470
471	case PIPE_VIDEO_FORMAT_JPEG:
472		dpb_size = 0;
473		break;
474
475	default:
476		// something is missing here
477		assert(0);
478
479		// at least use a sane default value
480		dpb_size = 32 * 1024 * 1024;
481		break;
482	}
483	return dpb_size;
484}
485
486/* free associated data in the video buffer callback */
487static void ruvd_destroy_associated_data(void *data)
488{
489	/* NOOP, since we only use an intptr */
490}
491
492/* get h264 specific message bits */
493static struct ruvd_h264 get_h264_msg(struct ruvd_decoder *dec, struct pipe_h264_picture_desc *pic)
494{
495	struct ruvd_h264 result;
496
497	memset(&result, 0, sizeof(result));
498	switch (pic->base.profile) {
499	case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
500	case PIPE_VIDEO_PROFILE_MPEG4_AVC_CONSTRAINED_BASELINE:
501		result.profile = RUVD_H264_PROFILE_BASELINE;
502		break;
503
504	case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
505		result.profile = RUVD_H264_PROFILE_MAIN;
506		break;
507
508	case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
509		result.profile = RUVD_H264_PROFILE_HIGH;
510		break;
511
512	default:
513		assert(0);
514		break;
515	}
516
517	result.level = dec->base.level;
518
519	result.sps_info_flags = 0;
520	result.sps_info_flags |= pic->pps->sps->direct_8x8_inference_flag << 0;
521	result.sps_info_flags |= pic->pps->sps->mb_adaptive_frame_field_flag << 1;
522	result.sps_info_flags |= pic->pps->sps->frame_mbs_only_flag << 2;
523	result.sps_info_flags |= pic->pps->sps->delta_pic_order_always_zero_flag << 3;
524
525	result.bit_depth_luma_minus8 = pic->pps->sps->bit_depth_luma_minus8;
526	result.bit_depth_chroma_minus8 = pic->pps->sps->bit_depth_chroma_minus8;
527	result.log2_max_frame_num_minus4 = pic->pps->sps->log2_max_frame_num_minus4;
528	result.pic_order_cnt_type = pic->pps->sps->pic_order_cnt_type;
529	result.log2_max_pic_order_cnt_lsb_minus4 = pic->pps->sps->log2_max_pic_order_cnt_lsb_minus4;
530
531	switch (dec->base.chroma_format) {
532	case PIPE_VIDEO_CHROMA_FORMAT_NONE:
533		/* TODO: assert? */
534		break;
535	case PIPE_VIDEO_CHROMA_FORMAT_400:
536		result.chroma_format = 0;
537		break;
538	case PIPE_VIDEO_CHROMA_FORMAT_420:
539		result.chroma_format = 1;
540		break;
541	case PIPE_VIDEO_CHROMA_FORMAT_422:
542		result.chroma_format = 2;
543		break;
544	case PIPE_VIDEO_CHROMA_FORMAT_444:
545		result.chroma_format = 3;
546		break;
547	}
548
549	result.pps_info_flags = 0;
550	result.pps_info_flags |= pic->pps->transform_8x8_mode_flag << 0;
551	result.pps_info_flags |= pic->pps->redundant_pic_cnt_present_flag << 1;
552	result.pps_info_flags |= pic->pps->constrained_intra_pred_flag << 2;
553	result.pps_info_flags |= pic->pps->deblocking_filter_control_present_flag << 3;
554	result.pps_info_flags |= pic->pps->weighted_bipred_idc << 4;
555	result.pps_info_flags |= pic->pps->weighted_pred_flag << 6;
556	result.pps_info_flags |= pic->pps->bottom_field_pic_order_in_frame_present_flag << 7;
557	result.pps_info_flags |= pic->pps->entropy_coding_mode_flag << 8;
558
559	result.num_slice_groups_minus1 = pic->pps->num_slice_groups_minus1;
560	result.slice_group_map_type = pic->pps->slice_group_map_type;
561	result.slice_group_change_rate_minus1 = pic->pps->slice_group_change_rate_minus1;
562	result.pic_init_qp_minus26 = pic->pps->pic_init_qp_minus26;
563	result.chroma_qp_index_offset = pic->pps->chroma_qp_index_offset;
564	result.second_chroma_qp_index_offset = pic->pps->second_chroma_qp_index_offset;
565
566	memcpy(result.scaling_list_4x4, pic->pps->ScalingList4x4, 6*16);
567	memcpy(result.scaling_list_8x8, pic->pps->ScalingList8x8, 2*64);
568
569	if (dec->stream_type == RUVD_CODEC_H264_PERF) {
570		memcpy(dec->it, result.scaling_list_4x4, 6*16);
571		memcpy((dec->it + 96), result.scaling_list_8x8, 2*64);
572	}
573
574	result.num_ref_frames = pic->num_ref_frames;
575
576	result.num_ref_idx_l0_active_minus1 = pic->num_ref_idx_l0_active_minus1;
577	result.num_ref_idx_l1_active_minus1 = pic->num_ref_idx_l1_active_minus1;
578
579	result.frame_num = pic->frame_num;
580	memcpy(result.frame_num_list, pic->frame_num_list, 4*16);
581	result.curr_field_order_cnt_list[0] = pic->field_order_cnt[0];
582	result.curr_field_order_cnt_list[1] = pic->field_order_cnt[1];
583	memcpy(result.field_order_cnt_list, pic->field_order_cnt_list, 4*16*2);
584
585	result.decoded_pic_idx = pic->frame_num;
586
587	return result;
588}
589
590/* get h265 specific message bits */
591static struct ruvd_h265 get_h265_msg(struct ruvd_decoder *dec, struct pipe_video_buffer *target,
592				     struct pipe_h265_picture_desc *pic)
593{
594	struct ruvd_h265 result;
595	unsigned i, j;
596
597	memset(&result, 0, sizeof(result));
598
599	result.sps_info_flags = 0;
600	result.sps_info_flags |= pic->pps->sps->scaling_list_enabled_flag << 0;
601	result.sps_info_flags |= pic->pps->sps->amp_enabled_flag << 1;
602	result.sps_info_flags |= pic->pps->sps->sample_adaptive_offset_enabled_flag << 2;
603	result.sps_info_flags |= pic->pps->sps->pcm_enabled_flag << 3;
604	result.sps_info_flags |= pic->pps->sps->pcm_loop_filter_disabled_flag << 4;
605	result.sps_info_flags |= pic->pps->sps->long_term_ref_pics_present_flag << 5;
606	result.sps_info_flags |= pic->pps->sps->sps_temporal_mvp_enabled_flag << 6;
607	result.sps_info_flags |= pic->pps->sps->strong_intra_smoothing_enabled_flag << 7;
608	result.sps_info_flags |= pic->pps->sps->separate_colour_plane_flag << 8;
609	if (((struct si_screen*)dec->screen)->info.family == CHIP_CARRIZO)
610		result.sps_info_flags |= 1 << 9;
611	if (pic->UseRefPicList == true)
612		result.sps_info_flags |= 1 << 10;
613
614	result.chroma_format = pic->pps->sps->chroma_format_idc;
615	result.bit_depth_luma_minus8 = pic->pps->sps->bit_depth_luma_minus8;
616	result.bit_depth_chroma_minus8 = pic->pps->sps->bit_depth_chroma_minus8;
617	result.log2_max_pic_order_cnt_lsb_minus4 = pic->pps->sps->log2_max_pic_order_cnt_lsb_minus4;
618	result.sps_max_dec_pic_buffering_minus1 = pic->pps->sps->sps_max_dec_pic_buffering_minus1;
619	result.log2_min_luma_coding_block_size_minus3 = pic->pps->sps->log2_min_luma_coding_block_size_minus3;
620	result.log2_diff_max_min_luma_coding_block_size = pic->pps->sps->log2_diff_max_min_luma_coding_block_size;
621	result.log2_min_transform_block_size_minus2 = pic->pps->sps->log2_min_transform_block_size_minus2;
622	result.log2_diff_max_min_transform_block_size = pic->pps->sps->log2_diff_max_min_transform_block_size;
623	result.max_transform_hierarchy_depth_inter = pic->pps->sps->max_transform_hierarchy_depth_inter;
624	result.max_transform_hierarchy_depth_intra = pic->pps->sps->max_transform_hierarchy_depth_intra;
625	result.pcm_sample_bit_depth_luma_minus1 = pic->pps->sps->pcm_sample_bit_depth_luma_minus1;
626	result.pcm_sample_bit_depth_chroma_minus1 = pic->pps->sps->pcm_sample_bit_depth_chroma_minus1;
627	result.log2_min_pcm_luma_coding_block_size_minus3 = pic->pps->sps->log2_min_pcm_luma_coding_block_size_minus3;
628	result.log2_diff_max_min_pcm_luma_coding_block_size = pic->pps->sps->log2_diff_max_min_pcm_luma_coding_block_size;
629	result.num_short_term_ref_pic_sets = pic->pps->sps->num_short_term_ref_pic_sets;
630
631	result.pps_info_flags = 0;
632	result.pps_info_flags |= pic->pps->dependent_slice_segments_enabled_flag << 0;
633	result.pps_info_flags |= pic->pps->output_flag_present_flag << 1;
634	result.pps_info_flags |= pic->pps->sign_data_hiding_enabled_flag << 2;
635	result.pps_info_flags |= pic->pps->cabac_init_present_flag << 3;
636	result.pps_info_flags |= pic->pps->constrained_intra_pred_flag << 4;
637	result.pps_info_flags |= pic->pps->transform_skip_enabled_flag << 5;
638	result.pps_info_flags |= pic->pps->cu_qp_delta_enabled_flag << 6;
639	result.pps_info_flags |= pic->pps->pps_slice_chroma_qp_offsets_present_flag << 7;
640	result.pps_info_flags |= pic->pps->weighted_pred_flag << 8;
641	result.pps_info_flags |= pic->pps->weighted_bipred_flag << 9;
642	result.pps_info_flags |= pic->pps->transquant_bypass_enabled_flag << 10;
643	result.pps_info_flags |= pic->pps->tiles_enabled_flag << 11;
644	result.pps_info_flags |= pic->pps->entropy_coding_sync_enabled_flag << 12;
645	result.pps_info_flags |= pic->pps->uniform_spacing_flag << 13;
646	result.pps_info_flags |= pic->pps->loop_filter_across_tiles_enabled_flag << 14;
647	result.pps_info_flags |= pic->pps->pps_loop_filter_across_slices_enabled_flag << 15;
648	result.pps_info_flags |= pic->pps->deblocking_filter_override_enabled_flag << 16;
649	result.pps_info_flags |= pic->pps->pps_deblocking_filter_disabled_flag << 17;
650	result.pps_info_flags |= pic->pps->lists_modification_present_flag << 18;
651	result.pps_info_flags |= pic->pps->slice_segment_header_extension_present_flag << 19;
652	//result.pps_info_flags |= pic->pps->deblocking_filter_control_present_flag; ???
653
654	result.num_extra_slice_header_bits = pic->pps->num_extra_slice_header_bits;
655	result.num_long_term_ref_pic_sps = pic->pps->sps->num_long_term_ref_pics_sps;
656	result.num_ref_idx_l0_default_active_minus1 = pic->pps->num_ref_idx_l0_default_active_minus1;
657	result.num_ref_idx_l1_default_active_minus1 = pic->pps->num_ref_idx_l1_default_active_minus1;
658	result.pps_cb_qp_offset = pic->pps->pps_cb_qp_offset;
659	result.pps_cr_qp_offset = pic->pps->pps_cr_qp_offset;
660	result.pps_beta_offset_div2 = pic->pps->pps_beta_offset_div2;
661	result.pps_tc_offset_div2 = pic->pps->pps_tc_offset_div2;
662	result.diff_cu_qp_delta_depth = pic->pps->diff_cu_qp_delta_depth;
663	result.num_tile_columns_minus1 = pic->pps->num_tile_columns_minus1;
664	result.num_tile_rows_minus1 = pic->pps->num_tile_rows_minus1;
665	result.log2_parallel_merge_level_minus2 = pic->pps->log2_parallel_merge_level_minus2;
666	result.init_qp_minus26 = pic->pps->init_qp_minus26;
667
668	for (i = 0; i < 19; ++i)
669		result.column_width_minus1[i] = pic->pps->column_width_minus1[i];
670
671	for (i = 0; i < 21; ++i)
672		result.row_height_minus1[i] = pic->pps->row_height_minus1[i];
673
674	result.num_delta_pocs_ref_rps_idx = pic->NumDeltaPocsOfRefRpsIdx;
675	result.curr_poc = pic->CurrPicOrderCntVal;
676
677	for (i = 0 ; i < 16 ; i++) {
678		for (j = 0; (pic->ref[j] != NULL) && (j < 16) ; j++) {
679			if (dec->render_pic_list[i] == pic->ref[j])
680				break;
681			if (j == 15)
682				dec->render_pic_list[i] = NULL;
683			else if (pic->ref[j+1] == NULL)
684				dec->render_pic_list[i] = NULL;
685		}
686	}
687	for (i = 0 ; i < 16 ; i++) {
688		if (dec->render_pic_list[i] == NULL) {
689			dec->render_pic_list[i] = target;
690			result.curr_idx = i;
691			break;
692		}
693	}
694
695	vl_video_buffer_set_associated_data(target, &dec->base,
696					    (void *)(uintptr_t)result.curr_idx,
697					    &ruvd_destroy_associated_data);
698
699	for (i = 0; i < 16; ++i) {
700		struct pipe_video_buffer *ref = pic->ref[i];
701		uintptr_t ref_pic = 0;
702
703		result.poc_list[i] = pic->PicOrderCntVal[i];
704
705		if (ref)
706			ref_pic = (uintptr_t)vl_video_buffer_get_associated_data(ref, &dec->base);
707		else
708			ref_pic = 0x7F;
709		result.ref_pic_list[i] = ref_pic;
710	}
711
712	for (i = 0; i < 8; ++i) {
713		result.ref_pic_set_st_curr_before[i] = 0xFF;
714		result.ref_pic_set_st_curr_after[i] = 0xFF;
715		result.ref_pic_set_lt_curr[i] = 0xFF;
716	}
717
718	for (i = 0; i < pic->NumPocStCurrBefore; ++i)
719		result.ref_pic_set_st_curr_before[i] = pic->RefPicSetStCurrBefore[i];
720
721	for (i = 0; i < pic->NumPocStCurrAfter; ++i)
722		result.ref_pic_set_st_curr_after[i] = pic->RefPicSetStCurrAfter[i];
723
724	for (i = 0; i < pic->NumPocLtCurr; ++i)
725		result.ref_pic_set_lt_curr[i] = pic->RefPicSetLtCurr[i];
726
727	for (i = 0; i < 6; ++i)
728		result.ucScalingListDCCoefSizeID2[i] = pic->pps->sps->ScalingListDCCoeff16x16[i];
729
730	for (i = 0; i < 2; ++i)
731		result.ucScalingListDCCoefSizeID3[i] = pic->pps->sps->ScalingListDCCoeff32x32[i];
732
733	memcpy(dec->it, pic->pps->sps->ScalingList4x4, 6 * 16);
734	memcpy(dec->it + 96, pic->pps->sps->ScalingList8x8, 6 * 64);
735	memcpy(dec->it + 480, pic->pps->sps->ScalingList16x16, 6 * 64);
736	memcpy(dec->it + 864, pic->pps->sps->ScalingList32x32, 2 * 64);
737
738	for (i = 0 ; i < 2 ; i++) {
739		for (j = 0 ; j < 15 ; j++)
740			result.direct_reflist[i][j] = pic->RefPicList[i][j];
741	}
742
743	if (pic->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10) {
744		if (target->buffer_format == PIPE_FORMAT_P016) {
745			result.p010_mode = 1;
746			result.msb_mode = 1;
747		} else {
748			result.luma_10to8 = 5;
749			result.chroma_10to8 = 5;
750			result.sclr_luma10to8 = 4;
751			result.sclr_chroma10to8 = 4;
752		}
753	}
754
755	/* TODO
756	result.highestTid;
757	result.isNonRef;
758
759	IDRPicFlag;
760	RAPPicFlag;
761	NumPocTotalCurr;
762	NumShortTermPictureSliceHeaderBits;
763	NumLongTermPictureSliceHeaderBits;
764
765	IsLongTerm[16];
766	*/
767
768	return result;
769}
770
771/* get vc1 specific message bits */
772static struct ruvd_vc1 get_vc1_msg(struct pipe_vc1_picture_desc *pic)
773{
774	struct ruvd_vc1 result;
775
776	memset(&result, 0, sizeof(result));
777
778	switch(pic->base.profile) {
779	case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
780		result.profile = RUVD_VC1_PROFILE_SIMPLE;
781		result.level = 1;
782		break;
783
784	case PIPE_VIDEO_PROFILE_VC1_MAIN:
785		result.profile = RUVD_VC1_PROFILE_MAIN;
786		result.level = 2;
787		break;
788
789	case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
790		result.profile = RUVD_VC1_PROFILE_ADVANCED;
791		result.level = 4;
792		break;
793
794	default:
795		assert(0);
796	}
797
798	/* fields common for all profiles */
799	result.sps_info_flags |= pic->postprocflag << 7;
800	result.sps_info_flags |= pic->pulldown << 6;
801	result.sps_info_flags |= pic->interlace << 5;
802	result.sps_info_flags |= pic->tfcntrflag << 4;
803	result.sps_info_flags |= pic->finterpflag << 3;
804	result.sps_info_flags |= pic->psf << 1;
805
806	result.pps_info_flags |= pic->range_mapy_flag << 31;
807	result.pps_info_flags |= pic->range_mapy << 28;
808	result.pps_info_flags |= pic->range_mapuv_flag << 27;
809	result.pps_info_flags |= pic->range_mapuv << 24;
810	result.pps_info_flags |= pic->multires << 21;
811	result.pps_info_flags |= pic->maxbframes << 16;
812	result.pps_info_flags |= pic->overlap << 11;
813	result.pps_info_flags |= pic->quantizer << 9;
814	result.pps_info_flags |= pic->panscan_flag << 7;
815	result.pps_info_flags |= pic->refdist_flag << 6;
816	result.pps_info_flags |= pic->vstransform << 0;
817
818	/* some fields only apply to main/advanced profile */
819	if (pic->base.profile != PIPE_VIDEO_PROFILE_VC1_SIMPLE) {
820		result.pps_info_flags |= pic->syncmarker << 20;
821		result.pps_info_flags |= pic->rangered << 19;
822		result.pps_info_flags |= pic->loopfilter << 5;
823		result.pps_info_flags |= pic->fastuvmc << 4;
824		result.pps_info_flags |= pic->extended_mv << 3;
825		result.pps_info_flags |= pic->extended_dmv << 8;
826		result.pps_info_flags |= pic->dquant << 1;
827	}
828
829	result.chroma_format = 1;
830
831#if 0
832//(((unsigned int)(pPicParams->advance.reserved1))        << SPS_INFO_VC1_RESERVED_SHIFT)
833uint32_t 	slice_count
834uint8_t 	picture_type
835uint8_t 	frame_coding_mode
836uint8_t 	deblockEnable
837uint8_t 	pquant
838#endif
839
840	return result;
841}
842
843/* extract the frame number from a referenced video buffer */
844static uint32_t get_ref_pic_idx(struct ruvd_decoder *dec, struct pipe_video_buffer *ref)
845{
846	uint32_t min = MAX2(dec->frame_number, NUM_MPEG2_REFS) - NUM_MPEG2_REFS;
847	uint32_t max = MAX2(dec->frame_number, 1) - 1;
848	uintptr_t frame;
849
850	/* seems to be the most sane fallback */
851	if (!ref)
852		return max;
853
854	/* get the frame number from the associated data */
855	frame = (uintptr_t)vl_video_buffer_get_associated_data(ref, &dec->base);
856
857	/* limit the frame number to a valid range */
858	return MAX2(MIN2(frame, max), min);
859}
860
861/* get mpeg2 specific msg bits */
862static struct ruvd_mpeg2 get_mpeg2_msg(struct ruvd_decoder *dec,
863				       struct pipe_mpeg12_picture_desc *pic)
864{
865	const int *zscan = pic->alternate_scan ? vl_zscan_alternate : vl_zscan_normal;
866	struct ruvd_mpeg2 result;
867	unsigned i;
868
869	memset(&result, 0, sizeof(result));
870	result.decoded_pic_idx = dec->frame_number;
871	for (i = 0; i < 2; ++i)
872		result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]);
873
874	if(pic->intra_matrix) {
875		result.load_intra_quantiser_matrix = 1;
876		for (i = 0; i < 64; ++i) {
877			result.intra_quantiser_matrix[i] = pic->intra_matrix[zscan[i]];
878		}
879	}
880	if(pic->non_intra_matrix) {
881		result.load_nonintra_quantiser_matrix = 1;
882		for (i = 0; i < 64; ++i) {
883			result.nonintra_quantiser_matrix[i] = pic->non_intra_matrix[zscan[i]];
884		}
885	}
886
887	result.profile_and_level_indication = 0;
888	result.chroma_format = 0x1;
889
890	result.picture_coding_type = pic->picture_coding_type;
891	result.f_code[0][0] = pic->f_code[0][0] + 1;
892	result.f_code[0][1] = pic->f_code[0][1] + 1;
893	result.f_code[1][0] = pic->f_code[1][0] + 1;
894	result.f_code[1][1] = pic->f_code[1][1] + 1;
895	result.intra_dc_precision = pic->intra_dc_precision;
896	result.pic_structure = pic->picture_structure;
897	result.top_field_first = pic->top_field_first;
898	result.frame_pred_frame_dct = pic->frame_pred_frame_dct;
899	result.concealment_motion_vectors = pic->concealment_motion_vectors;
900	result.q_scale_type = pic->q_scale_type;
901	result.intra_vlc_format = pic->intra_vlc_format;
902	result.alternate_scan = pic->alternate_scan;
903
904	return result;
905}
906
907/* get mpeg4 specific msg bits */
908static struct ruvd_mpeg4 get_mpeg4_msg(struct ruvd_decoder *dec,
909				       struct pipe_mpeg4_picture_desc *pic)
910{
911	struct ruvd_mpeg4 result;
912	unsigned i;
913
914	memset(&result, 0, sizeof(result));
915	result.decoded_pic_idx = dec->frame_number;
916	for (i = 0; i < 2; ++i)
917		result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]);
918
919	result.variant_type = 0;
920	result.profile_and_level_indication = 0xF0; // ASP Level0
921
922	result.video_object_layer_verid = 0x5; // advanced simple
923	result.video_object_layer_shape = 0x0; // rectangular
924
925	result.video_object_layer_width = dec->base.width;
926	result.video_object_layer_height = dec->base.height;
927
928	result.vop_time_increment_resolution = pic->vop_time_increment_resolution;
929
930	result.flags |= pic->short_video_header << 0;
931	//result.flags |= obmc_disable << 1;
932	result.flags |= pic->interlaced << 2;
933        result.flags |= 1 << 3; // load_intra_quant_mat
934	result.flags |= 1 << 4; // load_nonintra_quant_mat
935	result.flags |= pic->quarter_sample << 5;
936	result.flags |= 1 << 6; // complexity_estimation_disable
937	result.flags |= pic->resync_marker_disable << 7;
938	//result.flags |= data_partitioned << 8;
939	//result.flags |= reversible_vlc << 9;
940	result.flags |= 0 << 10; // newpred_enable
941	result.flags |= 0 << 11; // reduced_resolution_vop_enable
942	//result.flags |= scalability << 12;
943	//result.flags |= is_object_layer_identifier << 13;
944	//result.flags |= fixed_vop_rate << 14;
945	//result.flags |= newpred_segment_type << 15;
946
947	result.quant_type = pic->quant_type;
948
949	for (i = 0; i < 64; ++i) {
950		result.intra_quant_mat[i] = pic->intra_matrix[vl_zscan_normal[i]];
951		result.nonintra_quant_mat[i] = pic->non_intra_matrix[vl_zscan_normal[i]];
952	}
953
954	/*
955	int32_t 	trd [2]
956	int32_t 	trb [2]
957	uint8_t 	vop_coding_type
958	uint8_t 	vop_fcode_forward
959	uint8_t 	vop_fcode_backward
960	uint8_t 	rounding_control
961	uint8_t 	alternate_vertical_scan_flag
962	uint8_t 	top_field_first
963	*/
964
965	return result;
966}
967
968/**
969 * destroy this video decoder
970 */
971static void ruvd_destroy(struct pipe_video_codec *decoder)
972{
973	struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
974	unsigned i;
975
976	assert(decoder);
977
978	map_msg_fb_it_buf(dec);
979	dec->msg->size = sizeof(*dec->msg);
980	dec->msg->msg_type = RUVD_MSG_DESTROY;
981	dec->msg->stream_handle = dec->stream_handle;
982	send_msg_buf(dec);
983
984	flush(dec, 0);
985
986	dec->ws->cs_destroy(dec->cs);
987
988	for (i = 0; i < NUM_BUFFERS; ++i) {
989		si_vid_destroy_buffer(&dec->msg_fb_it_buffers[i]);
990		si_vid_destroy_buffer(&dec->bs_buffers[i]);
991	}
992
993	si_vid_destroy_buffer(&dec->dpb);
994	si_vid_destroy_buffer(&dec->ctx);
995	si_vid_destroy_buffer(&dec->sessionctx);
996
997	FREE(dec);
998}
999
1000/**
1001 * start decoding of a new frame
1002 */
1003static void ruvd_begin_frame(struct pipe_video_codec *decoder,
1004			     struct pipe_video_buffer *target,
1005			     struct pipe_picture_desc *picture)
1006{
1007	struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
1008	uintptr_t frame;
1009
1010	assert(decoder);
1011
1012	frame = ++dec->frame_number;
1013	vl_video_buffer_set_associated_data(target, decoder, (void *)frame,
1014					    &ruvd_destroy_associated_data);
1015
1016	dec->bs_size = 0;
1017	dec->bs_ptr = dec->ws->buffer_map(
1018		dec->bs_buffers[dec->cur_buffer].res->buf,
1019		dec->cs, PIPE_TRANSFER_WRITE | RADEON_TRANSFER_TEMPORARY);
1020}
1021
1022/**
1023 * decode a macroblock
1024 */
1025static void ruvd_decode_macroblock(struct pipe_video_codec *decoder,
1026				   struct pipe_video_buffer *target,
1027				   struct pipe_picture_desc *picture,
1028				   const struct pipe_macroblock *macroblocks,
1029				   unsigned num_macroblocks)
1030{
1031	/* not supported (yet) */
1032	assert(0);
1033}
1034
1035/**
1036 * decode a bitstream
1037 */
1038static void ruvd_decode_bitstream(struct pipe_video_codec *decoder,
1039				  struct pipe_video_buffer *target,
1040				  struct pipe_picture_desc *picture,
1041				  unsigned num_buffers,
1042				  const void * const *buffers,
1043				  const unsigned *sizes)
1044{
1045	struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
1046	unsigned i;
1047
1048	assert(decoder);
1049
1050	if (!dec->bs_ptr)
1051		return;
1052
1053	for (i = 0; i < num_buffers; ++i) {
1054		struct rvid_buffer *buf = &dec->bs_buffers[dec->cur_buffer];
1055		unsigned new_size = dec->bs_size + sizes[i];
1056
1057		if (new_size > buf->res->buf->size) {
1058			dec->ws->buffer_unmap(buf->res->buf);
1059			if (!si_vid_resize_buffer(dec->screen, dec->cs, buf, new_size)) {
1060				RVID_ERR("Can't resize bitstream buffer!");
1061				return;
1062			}
1063
1064			dec->bs_ptr = dec->ws->buffer_map(
1065				buf->res->buf, dec->cs,
1066				PIPE_TRANSFER_WRITE | RADEON_TRANSFER_TEMPORARY);
1067			if (!dec->bs_ptr)
1068				return;
1069
1070			dec->bs_ptr += dec->bs_size;
1071		}
1072
1073		memcpy(dec->bs_ptr, buffers[i], sizes[i]);
1074		dec->bs_size += sizes[i];
1075		dec->bs_ptr += sizes[i];
1076	}
1077}
1078
1079/**
1080 * end decoding of the current frame
1081 */
1082static void ruvd_end_frame(struct pipe_video_codec *decoder,
1083			   struct pipe_video_buffer *target,
1084			   struct pipe_picture_desc *picture)
1085{
1086	struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
1087	struct pb_buffer *dt;
1088	struct rvid_buffer *msg_fb_it_buf, *bs_buf;
1089	unsigned bs_size;
1090
1091	assert(decoder);
1092
1093	if (!dec->bs_ptr)
1094		return;
1095
1096	msg_fb_it_buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
1097	bs_buf = &dec->bs_buffers[dec->cur_buffer];
1098
1099	bs_size = align(dec->bs_size, 128);
1100	memset(dec->bs_ptr, 0, bs_size - dec->bs_size);
1101	dec->ws->buffer_unmap(bs_buf->res->buf);
1102
1103	map_msg_fb_it_buf(dec);
1104	dec->msg->size = sizeof(*dec->msg);
1105	dec->msg->msg_type = RUVD_MSG_DECODE;
1106	dec->msg->stream_handle = dec->stream_handle;
1107	dec->msg->status_report_feedback_number = dec->frame_number;
1108
1109	dec->msg->body.decode.stream_type = dec->stream_type;
1110	dec->msg->body.decode.decode_flags = 0x1;
1111	dec->msg->body.decode.width_in_samples = dec->base.width;
1112	dec->msg->body.decode.height_in_samples = dec->base.height;
1113
1114	if ((picture->profile == PIPE_VIDEO_PROFILE_VC1_SIMPLE) ||
1115	    (picture->profile == PIPE_VIDEO_PROFILE_VC1_MAIN)) {
1116		dec->msg->body.decode.width_in_samples = align(dec->msg->body.decode.width_in_samples, 16) / 16;
1117		dec->msg->body.decode.height_in_samples = align(dec->msg->body.decode.height_in_samples, 16) / 16;
1118	}
1119
1120	if (dec->dpb.res)
1121		dec->msg->body.decode.dpb_size = dec->dpb.res->buf->size;
1122	dec->msg->body.decode.bsd_size = bs_size;
1123	dec->msg->body.decode.db_pitch = align(dec->base.width, get_db_pitch_alignment(dec));
1124
1125	if (dec->stream_type == RUVD_CODEC_H264_PERF &&
1126	    ((struct si_screen*)dec->screen)->info.family >= CHIP_POLARIS10)
1127		dec->msg->body.decode.dpb_reserved = dec->ctx.res->buf->size;
1128
1129	dt = dec->set_dtb(dec->msg, (struct vl_video_buffer *)target);
1130	if (((struct si_screen*)dec->screen)->info.family >= CHIP_STONEY)
1131		dec->msg->body.decode.dt_wa_chroma_top_offset = dec->msg->body.decode.dt_pitch / 2;
1132
1133	switch (u_reduce_video_profile(picture->profile)) {
1134	case PIPE_VIDEO_FORMAT_MPEG4_AVC:
1135		dec->msg->body.decode.codec.h264 = get_h264_msg(dec, (struct pipe_h264_picture_desc*)picture);
1136		break;
1137
1138	case PIPE_VIDEO_FORMAT_HEVC:
1139		dec->msg->body.decode.codec.h265 = get_h265_msg(dec, target, (struct pipe_h265_picture_desc*)picture);
1140		if (dec->ctx.res == NULL) {
1141			unsigned ctx_size;
1142			if (dec->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
1143				ctx_size = calc_ctx_size_h265_main10(dec, (struct pipe_h265_picture_desc*)picture);
1144			else
1145				ctx_size = calc_ctx_size_h265_main(dec);
1146			if (!si_vid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT)) {
1147				RVID_ERR("Can't allocated context buffer.\n");
1148			}
1149			si_vid_clear_buffer(decoder->context, &dec->ctx);
1150		}
1151
1152		if (dec->ctx.res)
1153			dec->msg->body.decode.dpb_reserved = dec->ctx.res->buf->size;
1154		break;
1155
1156	case PIPE_VIDEO_FORMAT_VC1:
1157		dec->msg->body.decode.codec.vc1 = get_vc1_msg((struct pipe_vc1_picture_desc*)picture);
1158		break;
1159
1160	case PIPE_VIDEO_FORMAT_MPEG12:
1161		dec->msg->body.decode.codec.mpeg2 = get_mpeg2_msg(dec, (struct pipe_mpeg12_picture_desc*)picture);
1162		break;
1163
1164	case PIPE_VIDEO_FORMAT_MPEG4:
1165		dec->msg->body.decode.codec.mpeg4 = get_mpeg4_msg(dec, (struct pipe_mpeg4_picture_desc*)picture);
1166		break;
1167
1168	case PIPE_VIDEO_FORMAT_JPEG:
1169		break;
1170
1171	default:
1172		assert(0);
1173		return;
1174	}
1175
1176	dec->msg->body.decode.db_surf_tile_config = dec->msg->body.decode.dt_surf_tile_config;
1177	dec->msg->body.decode.extension_support = 0x1;
1178
1179	/* set at least the feedback buffer size */
1180	dec->fb[0] = dec->fb_size;
1181
1182	send_msg_buf(dec);
1183
1184	if (dec->dpb.res)
1185		send_cmd(dec, RUVD_CMD_DPB_BUFFER, dec->dpb.res->buf, 0,
1186			RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
1187
1188	if (dec->ctx.res)
1189		send_cmd(dec, RUVD_CMD_CONTEXT_BUFFER, dec->ctx.res->buf, 0,
1190			RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
1191	send_cmd(dec, RUVD_CMD_BITSTREAM_BUFFER, bs_buf->res->buf,
1192		 0, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
1193	send_cmd(dec, RUVD_CMD_DECODING_TARGET_BUFFER, dt, 0,
1194		 RADEON_USAGE_WRITE, RADEON_DOMAIN_VRAM);
1195	send_cmd(dec, RUVD_CMD_FEEDBACK_BUFFER, msg_fb_it_buf->res->buf,
1196		 FB_BUFFER_OFFSET, RADEON_USAGE_WRITE, RADEON_DOMAIN_GTT);
1197	if (have_it(dec))
1198		send_cmd(dec, RUVD_CMD_ITSCALING_TABLE_BUFFER, msg_fb_it_buf->res->buf,
1199			 FB_BUFFER_OFFSET + dec->fb_size, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
1200	set_reg(dec, dec->reg.cntl, 1);
1201
1202	flush(dec, PIPE_FLUSH_ASYNC);
1203	next_buffer(dec);
1204}
1205
1206/**
1207 * flush any outstanding command buffers to the hardware
1208 */
1209static void ruvd_flush(struct pipe_video_codec *decoder)
1210{
1211}
1212
1213/**
1214 * create and UVD decoder
1215 */
1216struct pipe_video_codec *si_common_uvd_create_decoder(struct pipe_context *context,
1217						      const struct pipe_video_codec *templ,
1218						      ruvd_set_dtb set_dtb)
1219{
1220	struct si_context *sctx = (struct si_context*)context;
1221	struct radeon_winsys *ws = sctx->ws;
1222	unsigned dpb_size;
1223	unsigned width = templ->width, height = templ->height;
1224	unsigned bs_buf_size;
1225	struct ruvd_decoder *dec;
1226	int r, i;
1227
1228	switch(u_reduce_video_profile(templ->profile)) {
1229	case PIPE_VIDEO_FORMAT_MPEG12:
1230		if (templ->entrypoint > PIPE_VIDEO_ENTRYPOINT_BITSTREAM)
1231			return vl_create_mpeg12_decoder(context, templ);
1232
1233		/* fall through */
1234	case PIPE_VIDEO_FORMAT_MPEG4:
1235		width = align(width, VL_MACROBLOCK_WIDTH);
1236		height = align(height, VL_MACROBLOCK_HEIGHT);
1237		break;
1238	case PIPE_VIDEO_FORMAT_MPEG4_AVC:
1239		width = align(width, VL_MACROBLOCK_WIDTH);
1240		height = align(height, VL_MACROBLOCK_HEIGHT);
1241		break;
1242
1243	default:
1244		break;
1245	}
1246
1247
1248	dec = CALLOC_STRUCT(ruvd_decoder);
1249
1250	if (!dec)
1251		return NULL;
1252
1253	if (sctx->screen->info.drm_major < 3)
1254		dec->use_legacy = true;
1255
1256	dec->base = *templ;
1257	dec->base.context = context;
1258	dec->base.width = width;
1259	dec->base.height = height;
1260
1261	dec->base.destroy = ruvd_destroy;
1262	dec->base.begin_frame = ruvd_begin_frame;
1263	dec->base.decode_macroblock = ruvd_decode_macroblock;
1264	dec->base.decode_bitstream = ruvd_decode_bitstream;
1265	dec->base.end_frame = ruvd_end_frame;
1266	dec->base.flush = ruvd_flush;
1267
1268	dec->stream_type = profile2stream_type(dec, sctx->family);
1269	dec->set_dtb = set_dtb;
1270	dec->stream_handle = si_vid_alloc_stream_handle();
1271	dec->screen = context->screen;
1272	dec->ws = ws;
1273	dec->cs = ws->cs_create(sctx->ctx, RING_UVD, NULL, NULL, false);
1274	if (!dec->cs) {
1275		RVID_ERR("Can't get command submission context.\n");
1276		goto error;
1277	}
1278
1279	for (i = 0; i < 16; i++)
1280		 dec->render_pic_list[i] = NULL;
1281	dec->fb_size = (sctx->family == CHIP_TONGA) ? FB_BUFFER_SIZE_TONGA :
1282			FB_BUFFER_SIZE;
1283	bs_buf_size = width * height * (512 / (16 * 16));
1284	for (i = 0; i < NUM_BUFFERS; ++i) {
1285		unsigned msg_fb_it_size = FB_BUFFER_OFFSET + dec->fb_size;
1286		STATIC_ASSERT(sizeof(struct ruvd_msg) <= FB_BUFFER_OFFSET);
1287		if (have_it(dec))
1288			msg_fb_it_size += IT_SCALING_TABLE_SIZE;
1289		if (!si_vid_create_buffer(dec->screen, &dec->msg_fb_it_buffers[i],
1290					msg_fb_it_size, PIPE_USAGE_STAGING)) {
1291			RVID_ERR("Can't allocated message buffers.\n");
1292			goto error;
1293		}
1294
1295		if (!si_vid_create_buffer(dec->screen, &dec->bs_buffers[i],
1296					bs_buf_size, PIPE_USAGE_STAGING)) {
1297			RVID_ERR("Can't allocated bitstream buffers.\n");
1298			goto error;
1299		}
1300
1301		si_vid_clear_buffer(context, &dec->msg_fb_it_buffers[i]);
1302		si_vid_clear_buffer(context, &dec->bs_buffers[i]);
1303	}
1304
1305	dpb_size = calc_dpb_size(dec);
1306	if (dpb_size) {
1307		if (!si_vid_create_buffer(dec->screen, &dec->dpb, dpb_size, PIPE_USAGE_DEFAULT)) {
1308			RVID_ERR("Can't allocated dpb.\n");
1309			goto error;
1310		}
1311		si_vid_clear_buffer(context, &dec->dpb);
1312	}
1313
1314	if (dec->stream_type == RUVD_CODEC_H264_PERF && sctx->family >= CHIP_POLARIS10) {
1315		unsigned ctx_size = calc_ctx_size_h264_perf(dec);
1316		if (!si_vid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT)) {
1317			RVID_ERR("Can't allocated context buffer.\n");
1318			goto error;
1319		}
1320		si_vid_clear_buffer(context, &dec->ctx);
1321	}
1322
1323	if (sctx->family >= CHIP_POLARIS10 && sctx->screen->info.drm_minor >= 3) {
1324		if (!si_vid_create_buffer(dec->screen, &dec->sessionctx,
1325					UVD_SESSION_CONTEXT_SIZE,
1326					PIPE_USAGE_DEFAULT)) {
1327			RVID_ERR("Can't allocated session ctx.\n");
1328			goto error;
1329		}
1330		si_vid_clear_buffer(context, &dec->sessionctx);
1331	}
1332
1333	if (sctx->family >= CHIP_VEGA10) {
1334		dec->reg.data0 = RUVD_GPCOM_VCPU_DATA0_SOC15;
1335		dec->reg.data1 = RUVD_GPCOM_VCPU_DATA1_SOC15;
1336		dec->reg.cmd = RUVD_GPCOM_VCPU_CMD_SOC15;
1337		dec->reg.cntl = RUVD_ENGINE_CNTL_SOC15;
1338	} else {
1339		dec->reg.data0 = RUVD_GPCOM_VCPU_DATA0;
1340		dec->reg.data1 = RUVD_GPCOM_VCPU_DATA1;
1341		dec->reg.cmd = RUVD_GPCOM_VCPU_CMD;
1342		dec->reg.cntl = RUVD_ENGINE_CNTL;
1343	}
1344
1345	map_msg_fb_it_buf(dec);
1346	dec->msg->size = sizeof(*dec->msg);
1347	dec->msg->msg_type = RUVD_MSG_CREATE;
1348	dec->msg->stream_handle = dec->stream_handle;
1349	dec->msg->body.create.stream_type = dec->stream_type;
1350	dec->msg->body.create.width_in_samples = dec->base.width;
1351	dec->msg->body.create.height_in_samples = dec->base.height;
1352	dec->msg->body.create.dpb_size = dpb_size;
1353	send_msg_buf(dec);
1354	r = flush(dec, 0);
1355	if (r)
1356		goto error;
1357
1358	next_buffer(dec);
1359
1360	return &dec->base;
1361
1362error:
1363	if (dec->cs) dec->ws->cs_destroy(dec->cs);
1364
1365	for (i = 0; i < NUM_BUFFERS; ++i) {
1366		si_vid_destroy_buffer(&dec->msg_fb_it_buffers[i]);
1367		si_vid_destroy_buffer(&dec->bs_buffers[i]);
1368	}
1369
1370	si_vid_destroy_buffer(&dec->dpb);
1371	si_vid_destroy_buffer(&dec->ctx);
1372	si_vid_destroy_buffer(&dec->sessionctx);
1373
1374	FREE(dec);
1375
1376	return NULL;
1377}
1378
1379/* calculate top/bottom offset */
1380static unsigned texture_offset(struct radeon_surf *surface, unsigned layer,
1381				enum ruvd_surface_type type)
1382{
1383	switch (type) {
1384	default:
1385	case RUVD_SURFACE_TYPE_LEGACY:
1386		return surface->u.legacy.level[0].offset +
1387			layer * (uint64_t)surface->u.legacy.level[0].slice_size_dw * 4;
1388		break;
1389	case RUVD_SURFACE_TYPE_GFX9:
1390		return surface->u.gfx9.surf_offset +
1391			layer * surface->u.gfx9.surf_slice_size;
1392		break;
1393	}
1394}
1395
1396/* hw encode the aspect of macro tiles */
1397static unsigned macro_tile_aspect(unsigned macro_tile_aspect)
1398{
1399	switch (macro_tile_aspect) {
1400	default:
1401	case 1: macro_tile_aspect = 0;  break;
1402	case 2: macro_tile_aspect = 1;  break;
1403	case 4: macro_tile_aspect = 2;  break;
1404	case 8: macro_tile_aspect = 3;  break;
1405	}
1406	return macro_tile_aspect;
1407}
1408
1409/* hw encode the bank width and height */
1410static unsigned bank_wh(unsigned bankwh)
1411{
1412	switch (bankwh) {
1413	default:
1414	case 1: bankwh = 0;     break;
1415	case 2: bankwh = 1;     break;
1416	case 4: bankwh = 2;     break;
1417	case 8: bankwh = 3;     break;
1418	}
1419	return bankwh;
1420}
1421
1422/**
1423 * fill decoding target field from the luma and chroma surfaces
1424 */
1425void si_uvd_set_dt_surfaces(struct ruvd_msg *msg, struct radeon_surf *luma,
1426			    struct radeon_surf *chroma, enum ruvd_surface_type type)
1427{
1428	switch (type) {
1429	default:
1430	case RUVD_SURFACE_TYPE_LEGACY:
1431		msg->body.decode.dt_pitch = luma->u.legacy.level[0].nblk_x * luma->blk_w;
1432		switch (luma->u.legacy.level[0].mode) {
1433		case RADEON_SURF_MODE_LINEAR_ALIGNED:
1434			msg->body.decode.dt_tiling_mode = RUVD_TILE_LINEAR;
1435			msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_LINEAR;
1436			break;
1437		case RADEON_SURF_MODE_1D:
1438			msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8;
1439			msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_1D_THIN;
1440			break;
1441		case RADEON_SURF_MODE_2D:
1442			msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8;
1443			msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_2D_THIN;
1444			break;
1445		default:
1446			assert(0);
1447			break;
1448		}
1449
1450		msg->body.decode.dt_luma_top_offset = texture_offset(luma, 0, type);
1451		if (chroma)
1452			msg->body.decode.dt_chroma_top_offset = texture_offset(chroma, 0, type);
1453		if (msg->body.decode.dt_field_mode) {
1454			msg->body.decode.dt_luma_bottom_offset = texture_offset(luma, 1, type);
1455			if (chroma)
1456				msg->body.decode.dt_chroma_bottom_offset = texture_offset(chroma, 1, type);
1457		} else {
1458			msg->body.decode.dt_luma_bottom_offset = msg->body.decode.dt_luma_top_offset;
1459			msg->body.decode.dt_chroma_bottom_offset = msg->body.decode.dt_chroma_top_offset;
1460		}
1461
1462		if (chroma) {
1463			assert(luma->u.legacy.bankw == chroma->u.legacy.bankw);
1464			assert(luma->u.legacy.bankh == chroma->u.legacy.bankh);
1465			assert(luma->u.legacy.mtilea == chroma->u.legacy.mtilea);
1466		}
1467
1468		msg->body.decode.dt_surf_tile_config |= RUVD_BANK_WIDTH(bank_wh(luma->u.legacy.bankw));
1469		msg->body.decode.dt_surf_tile_config |= RUVD_BANK_HEIGHT(bank_wh(luma->u.legacy.bankh));
1470		msg->body.decode.dt_surf_tile_config |= RUVD_MACRO_TILE_ASPECT_RATIO(macro_tile_aspect(luma->u.legacy.mtilea));
1471		break;
1472	case RUVD_SURFACE_TYPE_GFX9:
1473		msg->body.decode.dt_pitch = luma->u.gfx9.surf_pitch * luma->blk_w;
1474		/* SWIZZLE LINEAR MODE */
1475		msg->body.decode.dt_tiling_mode = RUVD_TILE_LINEAR;
1476		msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_LINEAR;
1477		msg->body.decode.dt_luma_top_offset = texture_offset(luma, 0, type);
1478		msg->body.decode.dt_chroma_top_offset = texture_offset(chroma, 0, type);
1479		if (msg->body.decode.dt_field_mode) {
1480			msg->body.decode.dt_luma_bottom_offset = texture_offset(luma, 1, type);
1481			msg->body.decode.dt_chroma_bottom_offset = texture_offset(chroma, 1, type);
1482		} else {
1483			msg->body.decode.dt_luma_bottom_offset = msg->body.decode.dt_luma_top_offset;
1484			msg->body.decode.dt_chroma_bottom_offset = msg->body.decode.dt_chroma_top_offset;
1485		}
1486		msg->body.decode.dt_surf_tile_config = 0;
1487		break;
1488	}
1489}
1490