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blk-mq: always free hctx after request queue is freed
[linux/fpc-iii.git] / drivers / media / platform / mtk-vcodec / mtk_vcodec_dec.c
blobd022c65bb34c2836cf02c84c80bc03e440b9baf2
1 /*
2 * Copyright (c) 2016 MediaTek Inc.
3 * Author: PC Chen <pc.chen@mediatek.com>
4 * Tiffany Lin <tiffany.lin@mediatek.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16 #include <media/v4l2-event.h>
17 #include <media/v4l2-mem2mem.h>
18 #include <media/videobuf2-dma-contig.h>
19
20 #include "mtk_vcodec_drv.h"
21 #include "mtk_vcodec_dec.h"
22 #include "mtk_vcodec_intr.h"
23 #include "mtk_vcodec_util.h"
24 #include "vdec_drv_if.h"
25 #include "mtk_vcodec_dec_pm.h"
26
27 #define OUT_FMT_IDX 0
28 #define CAP_FMT_IDX 3
29
30 #define MTK_VDEC_MIN_W 64U
31 #define MTK_VDEC_MIN_H 64U
32 #define DFT_CFG_WIDTH MTK_VDEC_MIN_W
33 #define DFT_CFG_HEIGHT MTK_VDEC_MIN_H
34
35 static struct mtk_video_fmt mtk_video_formats[] = {
36 {
37 .fourcc = V4L2_PIX_FMT_H264,
38 .type = MTK_FMT_DEC,
39 .num_planes = 1,
40 },
41 {
42 .fourcc = V4L2_PIX_FMT_VP8,
43 .type = MTK_FMT_DEC,
44 .num_planes = 1,
45 },
46 {
47 .fourcc = V4L2_PIX_FMT_VP9,
48 .type = MTK_FMT_DEC,
49 .num_planes = 1,
50 },
51 {
52 .fourcc = V4L2_PIX_FMT_MT21C,
53 .type = MTK_FMT_FRAME,
54 .num_planes = 2,
55 },
56 };
57
58 static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = {
59 {
60 .fourcc = V4L2_PIX_FMT_H264,
61 .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
62 MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
63 },
64 {
65 .fourcc = V4L2_PIX_FMT_VP8,
66 .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
67 MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
68 },
69 {
70 .fourcc = V4L2_PIX_FMT_VP9,
71 .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
72 MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
73 },
74 };
75
76 #define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_vdec_framesizes)
77 #define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
78
79 static struct mtk_video_fmt *mtk_vdec_find_format(struct v4l2_format *f)
80 {
81 struct mtk_video_fmt *fmt;
82 unsigned int k;
83
84 for (k = 0; k < NUM_FORMATS; k++) {
85 fmt = &mtk_video_formats[k];
86 if (fmt->fourcc == f->fmt.pix_mp.pixelformat)
87 return fmt;
88 }
89
90 return NULL;
91 }
92
93 static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_ctx *ctx,
94 enum v4l2_buf_type type)
95 {
96 if (V4L2_TYPE_IS_OUTPUT(type))
97 return &ctx->q_data[MTK_Q_DATA_SRC];
98
99 return &ctx->q_data[MTK_Q_DATA_DST];
100 }
101
102 /*
103 * This function tries to clean all display buffers, the buffers will return
104 * in display order.
105 * Note the buffers returned from codec driver may still be in driver's
106 * reference list.
107 */
108 static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_ctx *ctx)
109 {
110 struct vdec_fb *disp_frame_buffer = NULL;
111 struct mtk_video_dec_buf *dstbuf;
112
113 mtk_v4l2_debug(3, "[%d]", ctx->id);
114 if (vdec_if_get_param(ctx,
115 GET_PARAM_DISP_FRAME_BUFFER,
116 &disp_frame_buffer)) {
117 mtk_v4l2_err("[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER",
118 ctx->id);
119 return NULL;
120 }
121
122 if (disp_frame_buffer == NULL) {
123 mtk_v4l2_debug(3, "No display frame buffer");
124 return NULL;
125 }
126
127 dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf,
128 frame_buffer);
129 mutex_lock(&ctx->lock);
130 if (dstbuf->used) {
131 vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 0,
132 ctx->picinfo.y_bs_sz);
133 vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 1,
134 ctx->picinfo.c_bs_sz);
135
136 dstbuf->ready_to_display = true;
137
138 mtk_v4l2_debug(2,
139 "[%d]status=%x queue id=%d to done_list %d",
140 ctx->id, disp_frame_buffer->status,
141 dstbuf->vb.vb2_buf.index,
142 dstbuf->queued_in_vb2);
143
144 v4l2_m2m_buf_done(&dstbuf->vb, VB2_BUF_STATE_DONE);
145 ctx->decoded_frame_cnt++;
146 }
147 mutex_unlock(&ctx->lock);
148 return &dstbuf->vb.vb2_buf;
149 }
150
151 /*
152 * This function tries to clean all capture buffers that are not used as
153 * reference buffers by codec driver any more
154 * In this case, we need re-queue buffer to vb2 buffer if user space
155 * already returns this buffer to v4l2 or this buffer is just the output of
156 * previous sps/pps/resolution change decode, or do nothing if user
157 * space still owns this buffer
158 */
159 static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_ctx *ctx)
160 {
161 struct mtk_video_dec_buf *dstbuf;
162 struct vdec_fb *free_frame_buffer = NULL;
163
164 if (vdec_if_get_param(ctx,
165 GET_PARAM_FREE_FRAME_BUFFER,
166 &free_frame_buffer)) {
167 mtk_v4l2_err("[%d] Error!! Cannot get param", ctx->id);
168 return NULL;
169 }
170 if (free_frame_buffer == NULL) {
171 mtk_v4l2_debug(3, " No free frame buffer");
172 return NULL;
173 }
174
175 mtk_v4l2_debug(3, "[%d] tmp_frame_addr = 0x%p",
176 ctx->id, free_frame_buffer);
177
178 dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf,
179 frame_buffer);
180
181 mutex_lock(&ctx->lock);
182 if (dstbuf->used) {
183 if ((dstbuf->queued_in_vb2) &&
184 (dstbuf->queued_in_v4l2) &&
185 (free_frame_buffer->status == FB_ST_FREE)) {
186 /*
187 * After decode sps/pps or non-display buffer, we don't
188 * need to return capture buffer to user space, but
189 * just re-queue this capture buffer to vb2 queue.
190 * This reduce overheads that dq/q unused capture
191 * buffer. In this case, queued_in_vb2 = true.
192 */
193 mtk_v4l2_debug(2,
194 "[%d]status=%x queue id=%d to rdy_queue %d",
195 ctx->id, free_frame_buffer->status,
196 dstbuf->vb.vb2_buf.index,
197 dstbuf->queued_in_vb2);
198 v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb);
199 } else if ((dstbuf->queued_in_vb2 == false) &&
200 (dstbuf->queued_in_v4l2 == true)) {
201 /*
202 * If buffer in v4l2 driver but not in vb2 queue yet,
203 * and we get this buffer from free_list, it means
204 * that codec driver do not use this buffer as
205 * reference buffer anymore. We should q buffer to vb2
206 * queue, so later work thread could get this buffer
207 * for decode. In this case, queued_in_vb2 = false
208 * means this buffer is not from previous decode
209 * output.
210 */
211 mtk_v4l2_debug(2,
212 "[%d]status=%x queue id=%d to rdy_queue",
213 ctx->id, free_frame_buffer->status,
214 dstbuf->vb.vb2_buf.index);
215 v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb);
216 dstbuf->queued_in_vb2 = true;
217 } else {
218 /*
219 * Codec driver do not need to reference this capture
220 * buffer and this buffer is not in v4l2 driver.
221 * Then we don't need to do any thing, just add log when
222 * we need to debug buffer flow.
223 * When this buffer q from user space, it could
224 * directly q to vb2 buffer
225 */
226 mtk_v4l2_debug(3, "[%d]status=%x err queue id=%d %d %d",
227 ctx->id, free_frame_buffer->status,
228 dstbuf->vb.vb2_buf.index,
229 dstbuf->queued_in_vb2,
230 dstbuf->queued_in_v4l2);
231 }
232 dstbuf->used = false;
233 }
234 mutex_unlock(&ctx->lock);
235 return &dstbuf->vb.vb2_buf;
236 }
237
238 static void clean_display_buffer(struct mtk_vcodec_ctx *ctx)
239 {
240 struct vb2_buffer *framptr;
241
242 do {
243 framptr = get_display_buffer(ctx);
244 } while (framptr);
245 }
246
247 static void clean_free_buffer(struct mtk_vcodec_ctx *ctx)
248 {
249 struct vb2_buffer *framptr;
250
251 do {
252 framptr = get_free_buffer(ctx);
253 } while (framptr);
254 }
255
256 static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_ctx *ctx)
257 {
258 static const struct v4l2_event ev_src_ch = {
259 .type = V4L2_EVENT_SOURCE_CHANGE,
260 .u.src_change.changes =
261 V4L2_EVENT_SRC_CH_RESOLUTION,
262 };
263
264 mtk_v4l2_debug(1, "[%d]", ctx->id);
265 v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
266 }
267
268 static void mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
269 {
270 bool res_chg;
271 int ret = 0;
272
273 ret = vdec_if_decode(ctx, NULL, NULL, &res_chg);
274 if (ret)
275 mtk_v4l2_err("DecodeFinal failed, ret=%d", ret);
276
277 clean_display_buffer(ctx);
278 clean_free_buffer(ctx);
279 }
280
281 static int mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx)
282 {
283 unsigned int dpbsize = 0;
284 int ret;
285
286 if (vdec_if_get_param(ctx,
287 GET_PARAM_PIC_INFO,
288 &ctx->last_decoded_picinfo)) {
289 mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
290 ctx->id);
291 return -EINVAL;
292 }
293
294 if (ctx->last_decoded_picinfo.pic_w == 0 ||
295 ctx->last_decoded_picinfo.pic_h == 0 ||
296 ctx->last_decoded_picinfo.buf_w == 0 ||
297 ctx->last_decoded_picinfo.buf_h == 0) {
298 mtk_v4l2_err("Cannot get correct pic info");
299 return -EINVAL;
300 }
301
302 if ((ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w) ||
303 (ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h))
304 return 0;
305
306 mtk_v4l2_debug(1,
307 "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
308 ctx->id, ctx->last_decoded_picinfo.pic_w,
309 ctx->last_decoded_picinfo.pic_h,
310 ctx->picinfo.pic_w, ctx->picinfo.pic_h,
311 ctx->last_decoded_picinfo.buf_w,
312 ctx->last_decoded_picinfo.buf_h);
313
314 ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
315 if (dpbsize == 0)
316 mtk_v4l2_err("Incorrect dpb size, ret=%d", ret);
317
318 ctx->dpb_size = dpbsize;
319
320 return ret;
321 }
322
323 static void mtk_vdec_worker(struct work_struct *work)
324 {
325 struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx,
326 decode_work);
327 struct mtk_vcodec_dev *dev = ctx->dev;
328 struct vb2_v4l2_buffer *src_buf, *dst_buf;
329 struct mtk_vcodec_mem buf;
330 struct vdec_fb *pfb;
331 bool res_chg = false;
332 int ret;
333 struct mtk_video_dec_buf *dst_buf_info, *src_buf_info;
334
335 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
336 if (src_buf == NULL) {
337 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
338 mtk_v4l2_debug(1, "[%d] src_buf empty!!", ctx->id);
339 return;
340 }
341
342 dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
343 if (dst_buf == NULL) {
344 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
345 mtk_v4l2_debug(1, "[%d] dst_buf empty!!", ctx->id);
346 return;
347 }
348
349 src_buf_info = container_of(src_buf, struct mtk_video_dec_buf, vb);
350 dst_buf_info = container_of(dst_buf, struct mtk_video_dec_buf, vb);
351
352 pfb = &dst_buf_info->frame_buffer;
353 pfb->base_y.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
354 pfb->base_y.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
355 pfb->base_y.size = ctx->picinfo.y_bs_sz + ctx->picinfo.y_len_sz;
356
357 pfb->base_c.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 1);
358 pfb->base_c.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 1);
359 pfb->base_c.size = ctx->picinfo.c_bs_sz + ctx->picinfo.c_len_sz;
360 pfb->status = 0;
361 mtk_v4l2_debug(3, "===>[%d] vdec_if_decode() ===>", ctx->id);
362
363 mtk_v4l2_debug(3,
364 "id=%d Framebuf pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx",
365 dst_buf->vb2_buf.index, pfb,
366 pfb->base_y.va, &pfb->base_y.dma_addr,
367 &pfb->base_c.dma_addr, pfb->base_y.size);
368
369 if (src_buf_info->lastframe) {
370 mtk_v4l2_debug(1, "Got empty flush input buffer.");
371 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
372
373 /* update dst buf status */
374 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
375 mutex_lock(&ctx->lock);
376 dst_buf_info->used = false;
377 mutex_unlock(&ctx->lock);
378
379 vdec_if_decode(ctx, NULL, NULL, &res_chg);
380 clean_display_buffer(ctx);
381 vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 0, 0);
382 vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 1, 0);
383 dst_buf->flags |= V4L2_BUF_FLAG_LAST;
384 v4l2_m2m_buf_done(&dst_buf_info->vb, VB2_BUF_STATE_DONE);
385 clean_free_buffer(ctx);
386 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
387 return;
388 }
389 buf.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
390 buf.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
391 buf.size = (size_t)src_buf->planes[0].bytesused;
392 if (!buf.va) {
393 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
394 mtk_v4l2_err("[%d] id=%d src_addr is NULL!!",
395 ctx->id, src_buf->vb2_buf.index);
396 return;
397 }
398 mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
399 ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf);
400 dst_buf_info->vb.vb2_buf.timestamp
401 = src_buf_info->vb.vb2_buf.timestamp;
402 dst_buf_info->vb.timecode
403 = src_buf_info->vb.timecode;
404 mutex_lock(&ctx->lock);
405 dst_buf_info->used = true;
406 mutex_unlock(&ctx->lock);
407 src_buf_info->used = true;
408
409 ret = vdec_if_decode(ctx, &buf, pfb, &res_chg);
410
411 if (ret) {
412 mtk_v4l2_err(
413 " <===[%d], src_buf[%d] sz=0x%zx pts=%llu dst_buf[%d] vdec_if_decode() ret=%d res_chg=%d===>",
414 ctx->id,
415 src_buf->vb2_buf.index,
416 buf.size,
417 src_buf_info->vb.vb2_buf.timestamp,
418 dst_buf->vb2_buf.index,
419 ret, res_chg);
420 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
421 if (ret == -EIO) {
422 mutex_lock(&ctx->lock);
423 src_buf_info->error = true;
424 mutex_unlock(&ctx->lock);
425 }
426 v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_ERROR);
427 } else if (res_chg == false) {
428 /*
429 * we only return src buffer with VB2_BUF_STATE_DONE
430 * when decode success without resolution change
431 */
432 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
433 v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_DONE);
434 }
435
436 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
437 clean_display_buffer(ctx);
438 clean_free_buffer(ctx);
439
440 if (!ret && res_chg) {
441 mtk_vdec_pic_info_update(ctx);
442 /*
443 * On encountering a resolution change in the stream.
444 * The driver must first process and decode all
445 * remaining buffers from before the resolution change
446 * point, so call flush decode here
447 */
448 mtk_vdec_flush_decoder(ctx);
449 /*
450 * After all buffers containing decoded frames from
451 * before the resolution change point ready to be
452 * dequeued on the CAPTURE queue, the driver sends a
453 * V4L2_EVENT_SOURCE_CHANGE event for source change
454 * type V4L2_EVENT_SRC_CH_RESOLUTION
455 */
456 mtk_vdec_queue_res_chg_event(ctx);
457 }
458 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
459 }
460
461 static int vidioc_try_decoder_cmd(struct file *file, void *priv,
462 struct v4l2_decoder_cmd *cmd)
463 {
464 switch (cmd->cmd) {
465 case V4L2_DEC_CMD_STOP:
466 case V4L2_DEC_CMD_START:
467 if (cmd->flags != 0) {
468 mtk_v4l2_err("cmd->flags=%u", cmd->flags);
469 return -EINVAL;
470 }
471 break;
472 default:
473 return -EINVAL;
474 }
475 return 0;
476 }
477
478
479 static int vidioc_decoder_cmd(struct file *file, void *priv,
480 struct v4l2_decoder_cmd *cmd)
481 {
482 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
483 struct vb2_queue *src_vq, *dst_vq;
484 int ret;
485
486 ret = vidioc_try_decoder_cmd(file, priv, cmd);
487 if (ret)
488 return ret;
489
490 mtk_v4l2_debug(1, "decoder cmd=%u", cmd->cmd);
491 dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
492 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
493 switch (cmd->cmd) {
494 case V4L2_DEC_CMD_STOP:
495 src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
496 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
497 if (!vb2_is_streaming(src_vq)) {
498 mtk_v4l2_debug(1, "Output stream is off. No need to flush.");
499 return 0;
500 }
501 if (!vb2_is_streaming(dst_vq)) {
502 mtk_v4l2_debug(1, "Capture stream is off. No need to flush.");
503 return 0;
504 }
505 v4l2_m2m_buf_queue(ctx->m2m_ctx, &ctx->empty_flush_buf->vb);
506 v4l2_m2m_try_schedule(ctx->m2m_ctx);
507 break;
508
509 case V4L2_DEC_CMD_START:
510 vb2_clear_last_buffer_dequeued(dst_vq);
511 break;
512
513 default:
514 return -EINVAL;
515 }
516
517 return 0;
518 }
519
520 void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx)
521 {
522 mutex_unlock(&ctx->dev->dec_mutex);
523 }
524
525 void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx)
526 {
527 mutex_lock(&ctx->dev->dec_mutex);
528 }
529
530 void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx)
531 {
532 vdec_if_deinit(ctx);
533 ctx->state = MTK_STATE_FREE;
534 }
535
536 void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx)
537 {
538 struct mtk_q_data *q_data;
539
540 ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
541 ctx->fh.m2m_ctx = ctx->m2m_ctx;
542 ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
543 INIT_WORK(&ctx->decode_work, mtk_vdec_worker);
544 ctx->colorspace = V4L2_COLORSPACE_REC709;
545 ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
546 ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
547 ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
548
549 q_data = &ctx->q_data[MTK_Q_DATA_SRC];
550 memset(q_data, 0, sizeof(struct mtk_q_data));
551 q_data->visible_width = DFT_CFG_WIDTH;
552 q_data->visible_height = DFT_CFG_HEIGHT;
553 q_data->fmt = &mtk_video_formats[OUT_FMT_IDX];
554 q_data->field = V4L2_FIELD_NONE;
555
556 q_data->sizeimage[0] = DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
557 q_data->bytesperline[0] = 0;
558
559 q_data = &ctx->q_data[MTK_Q_DATA_DST];
560 memset(q_data, 0, sizeof(struct mtk_q_data));
561 q_data->visible_width = DFT_CFG_WIDTH;
562 q_data->visible_height = DFT_CFG_HEIGHT;
563 q_data->coded_width = DFT_CFG_WIDTH;
564 q_data->coded_height = DFT_CFG_HEIGHT;
565 q_data->fmt = &mtk_video_formats[CAP_FMT_IDX];
566 q_data->field = V4L2_FIELD_NONE;
567
568 v4l_bound_align_image(&q_data->coded_width,
569 MTK_VDEC_MIN_W,
570 MTK_VDEC_MAX_W, 4,
571 &q_data->coded_height,
572 MTK_VDEC_MIN_H,
573 MTK_VDEC_MAX_H, 5, 6);
574
575 q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height;
576 q_data->bytesperline[0] = q_data->coded_width;
577 q_data->sizeimage[1] = q_data->sizeimage[0] / 2;
578 q_data->bytesperline[1] = q_data->coded_width;
579 }
580
581 static int vidioc_vdec_qbuf(struct file *file, void *priv,
582 struct v4l2_buffer *buf)
583 {
584 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
585
586 if (ctx->state == MTK_STATE_ABORT) {
587 mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
588 ctx->id);
589 return -EIO;
590 }
591
592 return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
593 }
594
595 static int vidioc_vdec_dqbuf(struct file *file, void *priv,
596 struct v4l2_buffer *buf)
597 {
598 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
599
600 if (ctx->state == MTK_STATE_ABORT) {
601 mtk_v4l2_err("[%d] Call on DQBUF after unrecoverable error",
602 ctx->id);
603 return -EIO;
604 }
605
606 return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
607 }
608
609 static int vidioc_vdec_querycap(struct file *file, void *priv,
610 struct v4l2_capability *cap)
611 {
612 strscpy(cap->driver, MTK_VCODEC_DEC_NAME, sizeof(cap->driver));
613 strscpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info));
614 strscpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card));
615
616 return 0;
617 }
618
619 static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
620 const struct v4l2_event_subscription *sub)
621 {
622 switch (sub->type) {
623 case V4L2_EVENT_EOS:
624 return v4l2_event_subscribe(fh, sub, 2, NULL);
625 case V4L2_EVENT_SOURCE_CHANGE:
626 return v4l2_src_change_event_subscribe(fh, sub);
627 default:
628 return v4l2_ctrl_subscribe_event(fh, sub);
629 }
630 }
631
632 static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt)
633 {
634 struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
635 int i;
636
637 pix_fmt_mp->field = V4L2_FIELD_NONE;
638
639 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
640 pix_fmt_mp->num_planes = 1;
641 pix_fmt_mp->plane_fmt[0].bytesperline = 0;
642 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
643 int tmp_w, tmp_h;
644
645 pix_fmt_mp->height = clamp(pix_fmt_mp->height,
646 MTK_VDEC_MIN_H,
647 MTK_VDEC_MAX_H);
648 pix_fmt_mp->width = clamp(pix_fmt_mp->width,
649 MTK_VDEC_MIN_W,
650 MTK_VDEC_MAX_W);
651
652 /*
653 * Find next closer width align 64, heign align 64, size align
654 * 64 rectangle
655 * Note: This only get default value, the real HW needed value
656 * only available when ctx in MTK_STATE_HEADER state
657 */
658 tmp_w = pix_fmt_mp->width;
659 tmp_h = pix_fmt_mp->height;
660 v4l_bound_align_image(&pix_fmt_mp->width,
661 MTK_VDEC_MIN_W,
662 MTK_VDEC_MAX_W, 6,
663 &pix_fmt_mp->height,
664 MTK_VDEC_MIN_H,
665 MTK_VDEC_MAX_H, 6, 9);
666
667 if (pix_fmt_mp->width < tmp_w &&
668 (pix_fmt_mp->width + 64) <= MTK_VDEC_MAX_W)
669 pix_fmt_mp->width += 64;
670 if (pix_fmt_mp->height < tmp_h &&
671 (pix_fmt_mp->height + 64) <= MTK_VDEC_MAX_H)
672 pix_fmt_mp->height += 64;
673
674 mtk_v4l2_debug(0,
675 "before resize width=%d, height=%d, after resize width=%d, height=%d, sizeimage=%d",
676 tmp_w, tmp_h, pix_fmt_mp->width,
677 pix_fmt_mp->height,
678 pix_fmt_mp->width * pix_fmt_mp->height);
679
680 pix_fmt_mp->num_planes = fmt->num_planes;
681 pix_fmt_mp->plane_fmt[0].sizeimage =
682 pix_fmt_mp->width * pix_fmt_mp->height;
683 pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
684
685 if (pix_fmt_mp->num_planes == 2) {
686 pix_fmt_mp->plane_fmt[1].sizeimage =
687 (pix_fmt_mp->width * pix_fmt_mp->height) / 2;
688 pix_fmt_mp->plane_fmt[1].bytesperline =
689 pix_fmt_mp->width;
690 }
691 }
692
693 for (i = 0; i < pix_fmt_mp->num_planes; i++)
694 memset(&(pix_fmt_mp->plane_fmt[i].reserved[0]), 0x0,
695 sizeof(pix_fmt_mp->plane_fmt[0].reserved));
696
697 pix_fmt_mp->flags = 0;
698 memset(&pix_fmt_mp->reserved, 0x0, sizeof(pix_fmt_mp->reserved));
699 return 0;
700 }
701
702 static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
703 struct v4l2_format *f)
704 {
705 struct mtk_video_fmt *fmt;
706
707 fmt = mtk_vdec_find_format(f);
708 if (!fmt) {
709 f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
710 fmt = mtk_vdec_find_format(f);
711 }
712
713 return vidioc_try_fmt(f, fmt);
714 }
715
716 static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
717 struct v4l2_format *f)
718 {
719 struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
720 struct mtk_video_fmt *fmt;
721
722 fmt = mtk_vdec_find_format(f);
723 if (!fmt) {
724 f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
725 fmt = mtk_vdec_find_format(f);
726 }
727
728 if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
729 mtk_v4l2_err("sizeimage of output format must be given");
730 return -EINVAL;
731 }
732
733 return vidioc_try_fmt(f, fmt);
734 }
735
736 static int vidioc_vdec_g_selection(struct file *file, void *priv,
737 struct v4l2_selection *s)
738 {
739 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
740 struct mtk_q_data *q_data;
741
742 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
743 return -EINVAL;
744
745 q_data = &ctx->q_data[MTK_Q_DATA_DST];
746
747 switch (s->target) {
748 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
749 s->r.left = 0;
750 s->r.top = 0;
751 s->r.width = ctx->picinfo.pic_w;
752 s->r.height = ctx->picinfo.pic_h;
753 break;
754 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
755 s->r.left = 0;
756 s->r.top = 0;
757 s->r.width = ctx->picinfo.buf_w;
758 s->r.height = ctx->picinfo.buf_h;
759 break;
760 case V4L2_SEL_TGT_COMPOSE:
761 if (vdec_if_get_param(ctx, GET_PARAM_CROP_INFO, &(s->r))) {
762 /* set to default value if header info not ready yet*/
763 s->r.left = 0;
764 s->r.top = 0;
765 s->r.width = q_data->visible_width;
766 s->r.height = q_data->visible_height;
767 }
768 break;
769 default:
770 return -EINVAL;
771 }
772
773 if (ctx->state < MTK_STATE_HEADER) {
774 /* set to default value if header info not ready yet*/
775 s->r.left = 0;
776 s->r.top = 0;
777 s->r.width = q_data->visible_width;
778 s->r.height = q_data->visible_height;
779 return 0;
780 }
781
782 return 0;
783 }
784
785 static int vidioc_vdec_s_selection(struct file *file, void *priv,
786 struct v4l2_selection *s)
787 {
788 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
789
790 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
791 return -EINVAL;
792
793 switch (s->target) {
794 case V4L2_SEL_TGT_COMPOSE:
795 s->r.left = 0;
796 s->r.top = 0;
797 s->r.width = ctx->picinfo.pic_w;
798 s->r.height = ctx->picinfo.pic_h;
799 break;
800 default:
801 return -EINVAL;
802 }
803
804 return 0;
805 }
806
807 static int vidioc_vdec_s_fmt(struct file *file, void *priv,
808 struct v4l2_format *f)
809 {
810 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
811 struct v4l2_pix_format_mplane *pix_mp;
812 struct mtk_q_data *q_data;
813 int ret = 0;
814 struct mtk_video_fmt *fmt;
815
816 mtk_v4l2_debug(3, "[%d]", ctx->id);
817
818 q_data = mtk_vdec_get_q_data(ctx, f->type);
819 if (!q_data)
820 return -EINVAL;
821
822 pix_mp = &f->fmt.pix_mp;
823 if ((f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
824 vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
825 mtk_v4l2_err("out_q_ctx buffers already requested");
826 ret = -EBUSY;
827 }
828
829 if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
830 vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) {
831 mtk_v4l2_err("cap_q_ctx buffers already requested");
832 ret = -EBUSY;
833 }
834
835 fmt = mtk_vdec_find_format(f);
836 if (fmt == NULL) {
837 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
838 f->fmt.pix.pixelformat =
839 mtk_video_formats[OUT_FMT_IDX].fourcc;
840 fmt = mtk_vdec_find_format(f);
841 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
842 f->fmt.pix.pixelformat =
843 mtk_video_formats[CAP_FMT_IDX].fourcc;
844 fmt = mtk_vdec_find_format(f);
845 }
846 }
847
848 q_data->fmt = fmt;
849 vidioc_try_fmt(f, q_data->fmt);
850 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
851 q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage;
852 q_data->coded_width = pix_mp->width;
853 q_data->coded_height = pix_mp->height;
854
855 ctx->colorspace = f->fmt.pix_mp.colorspace;
856 ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
857 ctx->quantization = f->fmt.pix_mp.quantization;
858 ctx->xfer_func = f->fmt.pix_mp.xfer_func;
859
860 if (ctx->state == MTK_STATE_FREE) {
861 ret = vdec_if_init(ctx, q_data->fmt->fourcc);
862 if (ret) {
863 mtk_v4l2_err("[%d]: vdec_if_init() fail ret=%d",
864 ctx->id, ret);
865 return -EINVAL;
866 }
867 ctx->state = MTK_STATE_INIT;
868 }
869 }
870
871 return 0;
872 }
873
874 static int vidioc_enum_framesizes(struct file *file, void *priv,
875 struct v4l2_frmsizeenum *fsize)
876 {
877 int i = 0;
878 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
879
880 if (fsize->index != 0)
881 return -EINVAL;
882
883 for (i = 0; i < NUM_SUPPORTED_FRAMESIZE; ++i) {
884 if (fsize->pixel_format != mtk_vdec_framesizes[i].fourcc)
885 continue;
886
887 fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
888 fsize->stepwise = mtk_vdec_framesizes[i].stepwise;
889 if (!(ctx->dev->dec_capability &
890 VCODEC_CAPABILITY_4K_DISABLED)) {
891 mtk_v4l2_debug(3, "4K is enabled");
892 fsize->stepwise.max_width =
893 VCODEC_DEC_4K_CODED_WIDTH;
894 fsize->stepwise.max_height =
895 VCODEC_DEC_4K_CODED_HEIGHT;
896 }
897 mtk_v4l2_debug(1, "%x, %d %d %d %d %d %d",
898 ctx->dev->dec_capability,
899 fsize->stepwise.min_width,
900 fsize->stepwise.max_width,
901 fsize->stepwise.step_width,
902 fsize->stepwise.min_height,
903 fsize->stepwise.max_height,
904 fsize->stepwise.step_height);
905 return 0;
906 }
907
908 return -EINVAL;
909 }
910
911 static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue)
912 {
913 struct mtk_video_fmt *fmt;
914 int i, j = 0;
915
916 for (i = 0; i < NUM_FORMATS; i++) {
917 if (output_queue && (mtk_video_formats[i].type != MTK_FMT_DEC))
918 continue;
919 if (!output_queue &&
920 (mtk_video_formats[i].type != MTK_FMT_FRAME))
921 continue;
922
923 if (j == f->index)
924 break;
925 ++j;
926 }
927
928 if (i == NUM_FORMATS)
929 return -EINVAL;
930
931 fmt = &mtk_video_formats[i];
932 f->pixelformat = fmt->fourcc;
933
934 return 0;
935 }
936
937 static int vidioc_vdec_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
938 struct v4l2_fmtdesc *f)
939 {
940 return vidioc_enum_fmt(f, false);
941 }
942
943 static int vidioc_vdec_enum_fmt_vid_out_mplane(struct file *file, void *priv,
944 struct v4l2_fmtdesc *f)
945 {
946 return vidioc_enum_fmt(f, true);
947 }
948
949 static int vidioc_vdec_g_fmt(struct file *file, void *priv,
950 struct v4l2_format *f)
951 {
952 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
953 struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
954 struct vb2_queue *vq;
955 struct mtk_q_data *q_data;
956
957 vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
958 if (!vq) {
959 mtk_v4l2_err("no vb2 queue for type=%d", f->type);
960 return -EINVAL;
961 }
962
963 q_data = mtk_vdec_get_q_data(ctx, f->type);
964
965 pix_mp->field = V4L2_FIELD_NONE;
966 pix_mp->colorspace = ctx->colorspace;
967 pix_mp->ycbcr_enc = ctx->ycbcr_enc;
968 pix_mp->quantization = ctx->quantization;
969 pix_mp->xfer_func = ctx->xfer_func;
970
971 if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
972 (ctx->state >= MTK_STATE_HEADER)) {
973 /* Until STREAMOFF is called on the CAPTURE queue
974 * (acknowledging the event), the driver operates as if
975 * the resolution hasn't changed yet.
976 * So we just return picinfo yet, and update picinfo in
977 * stop_streaming hook function
978 */
979 q_data->sizeimage[0] = ctx->picinfo.y_bs_sz +
980 ctx->picinfo.y_len_sz;
981 q_data->sizeimage[1] = ctx->picinfo.c_bs_sz +
982 ctx->picinfo.c_len_sz;
983 q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w;
984 q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w;
985 q_data->coded_width = ctx->picinfo.buf_w;
986 q_data->coded_height = ctx->picinfo.buf_h;
987
988 /*
989 * Width and height are set to the dimensions
990 * of the movie, the buffer is bigger and
991 * further processing stages should crop to this
992 * rectangle.
993 */
994 pix_mp->width = q_data->coded_width;
995 pix_mp->height = q_data->coded_height;
996
997 /*
998 * Set pixelformat to the format in which mt vcodec
999 * outputs the decoded frame
1000 */
1001 pix_mp->num_planes = q_data->fmt->num_planes;
1002 pix_mp->pixelformat = q_data->fmt->fourcc;
1003 pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
1004 pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
1005 pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
1006 pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
1007
1008 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1009 /*
1010 * This is run on OUTPUT
1011 * The buffer contains compressed image
1012 * so width and height have no meaning.
1013 * Assign value here to pass v4l2-compliance test
1014 */
1015 pix_mp->width = q_data->visible_width;
1016 pix_mp->height = q_data->visible_height;
1017 pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
1018 pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
1019 pix_mp->pixelformat = q_data->fmt->fourcc;
1020 pix_mp->num_planes = q_data->fmt->num_planes;
1021 } else {
1022 pix_mp->width = q_data->coded_width;
1023 pix_mp->height = q_data->coded_height;
1024 pix_mp->num_planes = q_data->fmt->num_planes;
1025 pix_mp->pixelformat = q_data->fmt->fourcc;
1026 pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
1027 pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
1028 pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
1029 pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
1030
1031 mtk_v4l2_debug(1, "[%d] type=%d state=%d Format information could not be read, not ready yet!",
1032 ctx->id, f->type, ctx->state);
1033 }
1034
1035 return 0;
1036 }
1037
1038 static int vb2ops_vdec_queue_setup(struct vb2_queue *vq,
1039 unsigned int *nbuffers,
1040 unsigned int *nplanes,
1041 unsigned int sizes[],
1042 struct device *alloc_devs[])
1043 {
1044 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq);
1045 struct mtk_q_data *q_data;
1046 unsigned int i;
1047
1048 q_data = mtk_vdec_get_q_data(ctx, vq->type);
1049
1050 if (q_data == NULL) {
1051 mtk_v4l2_err("vq->type=%d err\n", vq->type);
1052 return -EINVAL;
1053 }
1054
1055 if (*nplanes) {
1056 for (i = 0; i < *nplanes; i++) {
1057 if (sizes[i] < q_data->sizeimage[i])
1058 return -EINVAL;
1059 }
1060 } else {
1061 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
1062 *nplanes = 2;
1063 else
1064 *nplanes = 1;
1065
1066 for (i = 0; i < *nplanes; i++)
1067 sizes[i] = q_data->sizeimage[i];
1068 }
1069
1070 mtk_v4l2_debug(1,
1071 "[%d]\t type = %d, get %d plane(s), %d buffer(s) of size 0x%x 0x%x ",
1072 ctx->id, vq->type, *nplanes, *nbuffers,
1073 sizes[0], sizes[1]);
1074
1075 return 0;
1076 }
1077
1078 static int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb)
1079 {
1080 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1081 struct mtk_q_data *q_data;
1082 int i;
1083
1084 mtk_v4l2_debug(3, "[%d] (%d) id=%d",
1085 ctx->id, vb->vb2_queue->type, vb->index);
1086
1087 q_data = mtk_vdec_get_q_data(ctx, vb->vb2_queue->type);
1088
1089 for (i = 0; i < q_data->fmt->num_planes; i++) {
1090 if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
1091 mtk_v4l2_err("data will not fit into plane %d (%lu < %d)",
1092 i, vb2_plane_size(vb, i),
1093 q_data->sizeimage[i]);
1094 }
1095 }
1096
1097 return 0;
1098 }
1099
1100 static void vb2ops_vdec_buf_queue(struct vb2_buffer *vb)
1101 {
1102 struct vb2_v4l2_buffer *src_buf;
1103 struct mtk_vcodec_mem src_mem;
1104 bool res_chg = false;
1105 int ret = 0;
1106 unsigned int dpbsize = 1;
1107 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1108 struct vb2_v4l2_buffer *vb2_v4l2 = NULL;
1109 struct mtk_video_dec_buf *buf = NULL;
1110
1111 mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p",
1112 ctx->id, vb->vb2_queue->type,
1113 vb->index, vb);
1114 /*
1115 * check if this buffer is ready to be used after decode
1116 */
1117 if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1118 vb2_v4l2 = to_vb2_v4l2_buffer(vb);
1119 buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, vb);
1120 mutex_lock(&ctx->lock);
1121 if (buf->used == false) {
1122 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
1123 buf->queued_in_vb2 = true;
1124 buf->queued_in_v4l2 = true;
1125 buf->ready_to_display = false;
1126 } else {
1127 buf->queued_in_vb2 = false;
1128 buf->queued_in_v4l2 = true;
1129 buf->ready_to_display = false;
1130 }
1131 mutex_unlock(&ctx->lock);
1132 return;
1133 }
1134
1135 v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
1136
1137 if (ctx->state != MTK_STATE_INIT) {
1138 mtk_v4l2_debug(3, "[%d] already init driver %d",
1139 ctx->id, ctx->state);
1140 return;
1141 }
1142
1143 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
1144 if (!src_buf) {
1145 mtk_v4l2_err("No src buffer");
1146 return;
1147 }
1148 buf = container_of(src_buf, struct mtk_video_dec_buf, vb);
1149 if (buf->lastframe) {
1150 /* This shouldn't happen. Just in case. */
1151 mtk_v4l2_err("Invalid flush buffer.");
1152 v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
1153 return;
1154 }
1155
1156 src_mem.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
1157 src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
1158 src_mem.size = (size_t)src_buf->planes[0].bytesused;
1159 mtk_v4l2_debug(2,
1160 "[%d] buf id=%d va=%p dma=%pad size=%zx",
1161 ctx->id, src_buf->index,
1162 src_mem.va, &src_mem.dma_addr,
1163 src_mem.size);
1164
1165 ret = vdec_if_decode(ctx, &src_mem, NULL, &res_chg);
1166 if (ret || !res_chg) {
1167 /*
1168 * fb == NULL means to parse SPS/PPS header or
1169 * resolution info in src_mem. Decode can fail
1170 * if there is no SPS header or picture info
1171 * in bs
1172 */
1173
1174 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
1175 if (ret == -EIO) {
1176 mtk_v4l2_err("[%d] Unrecoverable error in vdec_if_decode.",
1177 ctx->id);
1178 ctx->state = MTK_STATE_ABORT;
1179 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
1180 } else {
1181 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
1182 }
1183 mtk_v4l2_debug(ret ? 0 : 1,
1184 "[%d] vdec_if_decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d",
1185 ctx->id, src_buf->index,
1186 src_mem.size, ret, res_chg);
1187 return;
1188 }
1189
1190 if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo)) {
1191 mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
1192 ctx->id);
1193 return;
1194 }
1195
1196 ctx->last_decoded_picinfo = ctx->picinfo;
1197 ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
1198 ctx->picinfo.y_bs_sz +
1199 ctx->picinfo.y_len_sz;
1200 ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
1201 ctx->picinfo.buf_w;
1202 ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
1203 ctx->picinfo.c_bs_sz +
1204 ctx->picinfo.c_len_sz;
1205 ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] = ctx->picinfo.buf_w;
1206 mtk_v4l2_debug(2, "[%d] vdec_if_init() OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
1207 ctx->id,
1208 ctx->picinfo.buf_w, ctx->picinfo.buf_h,
1209 ctx->picinfo.pic_w, ctx->picinfo.pic_h,
1210 ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
1211 ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
1212
1213 ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
1214 if (dpbsize == 0)
1215 mtk_v4l2_err("[%d] GET_PARAM_DPB_SIZE fail=%d", ctx->id, ret);
1216
1217 ctx->dpb_size = dpbsize;
1218 ctx->state = MTK_STATE_HEADER;
1219 mtk_v4l2_debug(1, "[%d] dpbsize=%d", ctx->id, ctx->dpb_size);
1220
1221 mtk_vdec_queue_res_chg_event(ctx);
1222 }
1223
1224 static void vb2ops_vdec_buf_finish(struct vb2_buffer *vb)
1225 {
1226 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
1227 struct vb2_v4l2_buffer *vb2_v4l2;
1228 struct mtk_video_dec_buf *buf;
1229 bool buf_error;
1230
1231 vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
1232 buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, vb);
1233 mutex_lock(&ctx->lock);
1234 if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1235 buf->queued_in_v4l2 = false;
1236 buf->queued_in_vb2 = false;
1237 }
1238 buf_error = buf->error;
1239 mutex_unlock(&ctx->lock);
1240
1241 if (buf_error) {
1242 mtk_v4l2_err("Unrecoverable error on buffer.");
1243 ctx->state = MTK_STATE_ABORT;
1244 }
1245 }
1246
1247 static int vb2ops_vdec_buf_init(struct vb2_buffer *vb)
1248 {
1249 struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb,
1250 struct vb2_v4l2_buffer, vb2_buf);
1251 struct mtk_video_dec_buf *buf = container_of(vb2_v4l2,
1252 struct mtk_video_dec_buf, vb);
1253
1254 if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1255 buf->used = false;
1256 buf->ready_to_display = false;
1257 buf->queued_in_v4l2 = false;
1258 } else {
1259 buf->lastframe = false;
1260 }
1261
1262 return 0;
1263 }
1264
1265 static int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count)
1266 {
1267 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
1268
1269 if (ctx->state == MTK_STATE_FLUSH)
1270 ctx->state = MTK_STATE_HEADER;
1271
1272 return 0;
1273 }
1274
1275 static void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
1276 {
1277 struct vb2_v4l2_buffer *src_buf = NULL, *dst_buf = NULL;
1278 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
1279
1280 mtk_v4l2_debug(3, "[%d] (%d) state=(%x) ctx->decoded_frame_cnt=%d",
1281 ctx->id, q->type, ctx->state, ctx->decoded_frame_cnt);
1282
1283 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1284 while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
1285 struct mtk_video_dec_buf *buf_info = container_of(
1286 src_buf, struct mtk_video_dec_buf, vb);
1287 if (!buf_info->lastframe)
1288 v4l2_m2m_buf_done(src_buf,
1289 VB2_BUF_STATE_ERROR);
1290 }
1291 return;
1292 }
1293
1294 if (ctx->state >= MTK_STATE_HEADER) {
1295
1296 /* Until STREAMOFF is called on the CAPTURE queue
1297 * (acknowledging the event), the driver operates
1298 * as if the resolution hasn't changed yet, i.e.
1299 * VIDIOC_G_FMT< etc. return previous resolution.
1300 * So we update picinfo here
1301 */
1302 ctx->picinfo = ctx->last_decoded_picinfo;
1303
1304 mtk_v4l2_debug(2,
1305 "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
1306 ctx->id, ctx->last_decoded_picinfo.pic_w,
1307 ctx->last_decoded_picinfo.pic_h,
1308 ctx->picinfo.pic_w, ctx->picinfo.pic_h,
1309 ctx->last_decoded_picinfo.buf_w,
1310 ctx->last_decoded_picinfo.buf_h);
1311
1312 mtk_vdec_flush_decoder(ctx);
1313 }
1314 ctx->state = MTK_STATE_FLUSH;
1315
1316 while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
1317 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
1318 vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
1319 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
1320 }
1321
1322 }
1323
1324 static void m2mops_vdec_device_run(void *priv)
1325 {
1326 struct mtk_vcodec_ctx *ctx = priv;
1327 struct mtk_vcodec_dev *dev = ctx->dev;
1328
1329 queue_work(dev->decode_workqueue, &ctx->decode_work);
1330 }
1331
1332 static int m2mops_vdec_job_ready(void *m2m_priv)
1333 {
1334 struct mtk_vcodec_ctx *ctx = m2m_priv;
1335
1336 mtk_v4l2_debug(3, "[%d]", ctx->id);
1337
1338 if (ctx->state == MTK_STATE_ABORT)
1339 return 0;
1340
1341 if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
1342 (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h))
1343 return 0;
1344
1345 if (ctx->state != MTK_STATE_HEADER)
1346 return 0;
1347
1348 return 1;
1349 }
1350
1351 static void m2mops_vdec_job_abort(void *priv)
1352 {
1353 struct mtk_vcodec_ctx *ctx = priv;
1354
1355 ctx->state = MTK_STATE_ABORT;
1356 }
1357
1358 static int mtk_vdec_g_v_ctrl(struct v4l2_ctrl *ctrl)
1359 {
1360 struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
1361 int ret = 0;
1362
1363 switch (ctrl->id) {
1364 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
1365 if (ctx->state >= MTK_STATE_HEADER) {
1366 ctrl->val = ctx->dpb_size;
1367 } else {
1368 mtk_v4l2_debug(0, "Seqinfo not ready");
1369 ctrl->val = 0;
1370 }
1371 break;
1372 default:
1373 ret = -EINVAL;
1374 }
1375 return ret;
1376 }
1377
1378 static const struct v4l2_ctrl_ops mtk_vcodec_dec_ctrl_ops = {
1379 .g_volatile_ctrl = mtk_vdec_g_v_ctrl,
1380 };
1381
1382 int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
1383 {
1384 struct v4l2_ctrl *ctrl;
1385
1386 v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 1);
1387
1388 ctrl = v4l2_ctrl_new_std(&ctx->ctrl_hdl,
1389 &mtk_vcodec_dec_ctrl_ops,
1390 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
1391 0, 32, 1, 1);
1392 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
1393 v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl,
1394 &mtk_vcodec_dec_ctrl_ops,
1395 V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
1396 V4L2_MPEG_VIDEO_VP9_PROFILE_0,
1397 0, V4L2_MPEG_VIDEO_VP9_PROFILE_0);
1398
1399 if (ctx->ctrl_hdl.error) {
1400 mtk_v4l2_err("Adding control failed %d",
1401 ctx->ctrl_hdl.error);
1402 return ctx->ctrl_hdl.error;
1403 }
1404
1405 v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
1406 return 0;
1407 }
1408
1409 const struct v4l2_m2m_ops mtk_vdec_m2m_ops = {
1410 .device_run = m2mops_vdec_device_run,
1411 .job_ready = m2mops_vdec_job_ready,
1412 .job_abort = m2mops_vdec_job_abort,
1413 };
1414
1415 static const struct vb2_ops mtk_vdec_vb2_ops = {
1416 .queue_setup = vb2ops_vdec_queue_setup,
1417 .buf_prepare = vb2ops_vdec_buf_prepare,
1418 .buf_queue = vb2ops_vdec_buf_queue,
1419 .wait_prepare = vb2_ops_wait_prepare,
1420 .wait_finish = vb2_ops_wait_finish,
1421 .buf_init = vb2ops_vdec_buf_init,
1422 .buf_finish = vb2ops_vdec_buf_finish,
1423 .start_streaming = vb2ops_vdec_start_streaming,
1424 .stop_streaming = vb2ops_vdec_stop_streaming,
1425 };
1426
1427 const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops = {
1428 .vidioc_streamon = v4l2_m2m_ioctl_streamon,
1429 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
1430 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
1431 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
1432 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
1433
1434 .vidioc_qbuf = vidioc_vdec_qbuf,
1435 .vidioc_dqbuf = vidioc_vdec_dqbuf,
1436
1437 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane,
1438 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane,
1439
1440 .vidioc_s_fmt_vid_cap_mplane = vidioc_vdec_s_fmt,
1441 .vidioc_s_fmt_vid_out_mplane = vidioc_vdec_s_fmt,
1442 .vidioc_g_fmt_vid_cap_mplane = vidioc_vdec_g_fmt,
1443 .vidioc_g_fmt_vid_out_mplane = vidioc_vdec_g_fmt,
1444
1445 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
1446
1447 .vidioc_enum_fmt_vid_cap_mplane = vidioc_vdec_enum_fmt_vid_cap_mplane,
1448 .vidioc_enum_fmt_vid_out_mplane = vidioc_vdec_enum_fmt_vid_out_mplane,
1449 .vidioc_enum_framesizes = vidioc_enum_framesizes,
1450
1451 .vidioc_querycap = vidioc_vdec_querycap,
1452 .vidioc_subscribe_event = vidioc_vdec_subscribe_evt,
1453 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1454 .vidioc_g_selection = vidioc_vdec_g_selection,
1455 .vidioc_s_selection = vidioc_vdec_s_selection,
1456
1457 .vidioc_decoder_cmd = vidioc_decoder_cmd,
1458 .vidioc_try_decoder_cmd = vidioc_try_decoder_cmd,
1459 };
1460
1461 int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
1462 struct vb2_queue *dst_vq)
1463 {
1464 struct mtk_vcodec_ctx *ctx = priv;
1465 int ret = 0;
1466
1467 mtk_v4l2_debug(3, "[%d]", ctx->id);
1468
1469 src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1470 src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1471 src_vq->drv_priv = ctx;
1472 src_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
1473 src_vq->ops = &mtk_vdec_vb2_ops;
1474 src_vq->mem_ops = &vb2_dma_contig_memops;
1475 src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1476 src_vq->lock = &ctx->dev->dev_mutex;
1477 src_vq->dev = &ctx->dev->plat_dev->dev;
1478
1479 ret = vb2_queue_init(src_vq);
1480 if (ret) {
1481 mtk_v4l2_err("Failed to initialize videobuf2 queue(output)");
1482 return ret;
1483 }
1484 dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1485 dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
1486 dst_vq->drv_priv = ctx;
1487 dst_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
1488 dst_vq->ops = &mtk_vdec_vb2_ops;
1489 dst_vq->mem_ops = &vb2_dma_contig_memops;
1490 dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1491 dst_vq->lock = &ctx->dev->dev_mutex;
1492 dst_vq->dev = &ctx->dev->plat_dev->dev;
1493
1494 ret = vb2_queue_init(dst_vq);
1495 if (ret) {
1496 vb2_queue_release(src_vq);
1497 mtk_v4l2_err("Failed to initialize videobuf2 queue(capture)");
1498 }
1499
1500 return ret;
1501 }
Linux with added FPC-III support