1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <media/v4l2-event.h>
4 #include <media/v4l2-mem2mem.h>
5 #include <media/videobuf2-dma-contig.h>
6
7 #include "mtk_vcodec_drv.h"
8 #include "mtk_vcodec_dec.h"
9 #include "mtk_vcodec_intr.h"
10 #include "mtk_vcodec_util.h"
11 #include "mtk_vcodec_dec_pm.h"
12 #include "vdec_drv_if.h"
13
14 static const struct mtk_video_fmt mtk_video_formats[] = {
15 {
16 .fourcc = V4L2_PIX_FMT_H264,
17 .type = MTK_FMT_DEC,
18 .num_planes = 1,
19 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
20 },
21 {
22 .fourcc = V4L2_PIX_FMT_VP8,
23 .type = MTK_FMT_DEC,
24 .num_planes = 1,
25 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
26 },
27 {
28 .fourcc = V4L2_PIX_FMT_VP9,
29 .type = MTK_FMT_DEC,
30 .num_planes = 1,
31 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
32 },
33 {
34 .fourcc = V4L2_PIX_FMT_MT21C,
35 .type = MTK_FMT_FRAME,
36 .num_planes = 2,
37 },
38 };
39
40 #define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
41 #define DEFAULT_OUT_FMT_IDX 0
42 #define DEFAULT_CAP_FMT_IDX 3
43
44 static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = {
45 {
46 .fourcc = V4L2_PIX_FMT_H264,
47 .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
48 MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
49 },
50 {
51 .fourcc = V4L2_PIX_FMT_VP8,
52 .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
53 MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
54 },
55 {
56 .fourcc = V4L2_PIX_FMT_VP9,
57 .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
58 MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
59 },
60 };
61
62 #define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_vdec_framesizes)
63
64 /*
65 * This function tries to clean all display buffers, the buffers will return
66 * in display order.
67 * Note the buffers returned from codec driver may still be in driver's
68 * reference list.
69 */
get_display_buffer(struct mtk_vcodec_ctx * ctx)70 static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_ctx *ctx)
71 {
72 struct vdec_fb *disp_frame_buffer = NULL;
73 struct mtk_video_dec_buf *dstbuf;
74 struct vb2_v4l2_buffer *vb;
75
76 mtk_v4l2_debug(3, "[%d]", ctx->id);
77 if (vdec_if_get_param(ctx, GET_PARAM_DISP_FRAME_BUFFER,
78 &disp_frame_buffer)) {
79 mtk_v4l2_err("[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER", ctx->id);
80 return NULL;
81 }
82
83 if (!disp_frame_buffer) {
84 mtk_v4l2_debug(3, "No display frame buffer");
85 return NULL;
86 }
87
88 dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf,
89 frame_buffer);
90 vb = &dstbuf->m2m_buf.vb;
91 mutex_lock(&ctx->lock);
92 if (dstbuf->used) {
93 vb2_set_plane_payload(&vb->vb2_buf, 0, ctx->picinfo.fb_sz[0]);
94 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
95 vb2_set_plane_payload(&vb->vb2_buf, 1,
96 ctx->picinfo.fb_sz[1]);
97
98 mtk_v4l2_debug(2, "[%d]status=%x queue id=%d to done_list %d",
99 ctx->id, disp_frame_buffer->status,
100 vb->vb2_buf.index, dstbuf->queued_in_vb2);
101
102 v4l2_m2m_buf_done(vb, VB2_BUF_STATE_DONE);
103 ctx->decoded_frame_cnt++;
104 }
105 mutex_unlock(&ctx->lock);
106 return &vb->vb2_buf;
107 }
108
109 /*
110 * This function tries to clean all capture buffers that are not used as
111 * reference buffers by codec driver any more
112 * In this case, we need re-queue buffer to vb2 buffer if user space
113 * already returns this buffer to v4l2 or this buffer is just the output of
114 * previous sps/pps/resolution change decode, or do nothing if user
115 * space still owns this buffer
116 */
get_free_buffer(struct mtk_vcodec_ctx * ctx)117 static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_ctx *ctx)
118 {
119 struct mtk_video_dec_buf *dstbuf;
120 struct vdec_fb *free_frame_buffer = NULL;
121 struct vb2_v4l2_buffer *vb;
122
123 if (vdec_if_get_param(ctx, GET_PARAM_FREE_FRAME_BUFFER,
124 &free_frame_buffer)) {
125 mtk_v4l2_err("[%d] Error!! Cannot get param", ctx->id);
126 return NULL;
127 }
128 if (!free_frame_buffer) {
129 mtk_v4l2_debug(3, " No free frame buffer");
130 return NULL;
131 }
132
133 mtk_v4l2_debug(3, "[%d] tmp_frame_addr = 0x%p", ctx->id,
134 free_frame_buffer);
135
136 dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf,
137 frame_buffer);
138 vb = &dstbuf->m2m_buf.vb;
139
140 mutex_lock(&ctx->lock);
141 if (dstbuf->used) {
142 if (dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2 &&
143 free_frame_buffer->status == FB_ST_FREE) {
144 /*
145 * After decode sps/pps or non-display buffer, we don't
146 * need to return capture buffer to user space, but
147 * just re-queue this capture buffer to vb2 queue.
148 * This reduce overheads that dq/q unused capture
149 * buffer. In this case, queued_in_vb2 = true.
150 */
151 mtk_v4l2_debug(2, "[%d]status=%x queue id=%d to rdy_queue %d",
152 ctx->id, free_frame_buffer->status,
153 vb->vb2_buf.index, dstbuf->queued_in_vb2);
154 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
155 } else if (!dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2) {
156 /*
157 * If buffer in v4l2 driver but not in vb2 queue yet,
158 * and we get this buffer from free_list, it means
159 * that codec driver do not use this buffer as
160 * reference buffer anymore. We should q buffer to vb2
161 * queue, so later work thread could get this buffer
162 * for decode. In this case, queued_in_vb2 = false
163 * means this buffer is not from previous decode
164 * output.
165 */
166 mtk_v4l2_debug(2,
167 "[%d]status=%x queue id=%d to rdy_queue",
168 ctx->id, free_frame_buffer->status,
169 vb->vb2_buf.index);
170 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
171 dstbuf->queued_in_vb2 = true;
172 } else {
173 /*
174 * Codec driver do not need to reference this capture
175 * buffer and this buffer is not in v4l2 driver.
176 * Then we don't need to do any thing, just add log when
177 * we need to debug buffer flow.
178 * When this buffer q from user space, it could
179 * directly q to vb2 buffer
180 */
181 mtk_v4l2_debug(3, "[%d]status=%x err queue id=%d %d %d",
182 ctx->id, free_frame_buffer->status,
183 vb->vb2_buf.index, dstbuf->queued_in_vb2,
184 dstbuf->queued_in_v4l2);
185 }
186 dstbuf->used = false;
187 }
188 mutex_unlock(&ctx->lock);
189 return &vb->vb2_buf;
190 }
191
clean_display_buffer(struct mtk_vcodec_ctx * ctx)192 static void clean_display_buffer(struct mtk_vcodec_ctx *ctx)
193 {
194 while (get_display_buffer(ctx))
195 ;
196 }
197
clean_free_buffer(struct mtk_vcodec_ctx * ctx)198 static void clean_free_buffer(struct mtk_vcodec_ctx *ctx)
199 {
200 while (get_free_buffer(ctx))
201 ;
202 }
203
mtk_vdec_queue_res_chg_event(struct mtk_vcodec_ctx * ctx)204 static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_ctx *ctx)
205 {
206 static const struct v4l2_event ev_src_ch = {
207 .type = V4L2_EVENT_SOURCE_CHANGE,
208 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
209 };
210
211 mtk_v4l2_debug(1, "[%d]", ctx->id);
212 v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
213 }
214
mtk_vdec_flush_decoder(struct mtk_vcodec_ctx * ctx)215 static int mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
216 {
217 bool res_chg;
218 int ret;
219
220 ret = vdec_if_decode(ctx, NULL, NULL, &res_chg);
221 if (ret)
222 mtk_v4l2_err("DecodeFinal failed, ret=%d", ret);
223
224 clean_display_buffer(ctx);
225 clean_free_buffer(ctx);
226
227 return 0;
228 }
229
mtk_vdec_update_fmt(struct mtk_vcodec_ctx * ctx,unsigned int pixelformat)230 static void mtk_vdec_update_fmt(struct mtk_vcodec_ctx *ctx,
231 unsigned int pixelformat)
232 {
233 const struct mtk_video_fmt *fmt;
234 struct mtk_q_data *dst_q_data;
235 unsigned int k;
236
237 dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
238 for (k = 0; k < NUM_FORMATS; k++) {
239 fmt = &mtk_video_formats[k];
240 if (fmt->fourcc == pixelformat) {
241 mtk_v4l2_debug(1, "Update cap fourcc(%d -> %d)",
242 dst_q_data->fmt->fourcc, pixelformat);
243 dst_q_data->fmt = fmt;
244 return;
245 }
246 }
247
248 mtk_v4l2_err("Cannot get fourcc(%d), using init value", pixelformat);
249 }
250
mtk_vdec_pic_info_update(struct mtk_vcodec_ctx * ctx)251 static int mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx)
252 {
253 unsigned int dpbsize = 0;
254 int ret;
255
256 if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO,
257 &ctx->last_decoded_picinfo)) {
258 mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR", ctx->id);
259 return -EINVAL;
260 }
261
262 if (ctx->last_decoded_picinfo.pic_w == 0 ||
263 ctx->last_decoded_picinfo.pic_h == 0 ||
264 ctx->last_decoded_picinfo.buf_w == 0 ||
265 ctx->last_decoded_picinfo.buf_h == 0) {
266 mtk_v4l2_err("Cannot get correct pic info");
267 return -EINVAL;
268 }
269
270 if (ctx->last_decoded_picinfo.cap_fourcc != ctx->picinfo.cap_fourcc &&
271 ctx->picinfo.cap_fourcc != 0)
272 mtk_vdec_update_fmt(ctx, ctx->picinfo.cap_fourcc);
273
274 if (ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w ||
275 ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h)
276 return 0;
277
278 mtk_v4l2_debug(1, "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)", ctx->id,
279 ctx->last_decoded_picinfo.pic_w,
280 ctx->last_decoded_picinfo.pic_h, ctx->picinfo.pic_w,
281 ctx->picinfo.pic_h, ctx->last_decoded_picinfo.buf_w,
282 ctx->last_decoded_picinfo.buf_h);
283
284 ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
285 if (dpbsize == 0)
286 mtk_v4l2_err("Incorrect dpb size, ret=%d", ret);
287
288 ctx->dpb_size = dpbsize;
289
290 return ret;
291 }
292
mtk_vdec_worker(struct work_struct * work)293 static void mtk_vdec_worker(struct work_struct *work)
294 {
295 struct mtk_vcodec_ctx *ctx =
296 container_of(work, struct mtk_vcodec_ctx, decode_work);
297 struct mtk_vcodec_dev *dev = ctx->dev;
298 struct vb2_v4l2_buffer *src_buf, *dst_buf;
299 struct mtk_vcodec_mem buf;
300 struct vdec_fb *pfb;
301 bool res_chg = false;
302 int ret;
303 struct mtk_video_dec_buf *dst_buf_info, *src_buf_info;
304
305 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
306 if (!src_buf) {
307 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
308 mtk_v4l2_debug(1, "[%d] src_buf empty!!", ctx->id);
309 return;
310 }
311
312 dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
313 if (!dst_buf) {
314 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
315 mtk_v4l2_debug(1, "[%d] dst_buf empty!!", ctx->id);
316 return;
317 }
318
319 dst_buf_info =
320 container_of(dst_buf, struct mtk_video_dec_buf, m2m_buf.vb);
321
322 pfb = &dst_buf_info->frame_buffer;
323 pfb->base_y.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
324 pfb->base_y.dma_addr =
325 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
326 pfb->base_y.size = ctx->picinfo.fb_sz[0];
327
328 pfb->base_c.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 1);
329 pfb->base_c.dma_addr =
330 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 1);
331 pfb->base_c.size = ctx->picinfo.fb_sz[1];
332 pfb->status = 0;
333 mtk_v4l2_debug(3, "===>[%d] vdec_if_decode() ===>", ctx->id);
334
335 mtk_v4l2_debug(3,
336 "id=%d Framebuf pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx",
337 dst_buf->vb2_buf.index, pfb, pfb->base_y.va,
338 &pfb->base_y.dma_addr, &pfb->base_c.dma_addr, pfb->base_y.size);
339
340 if (src_buf == &ctx->empty_flush_buf.vb) {
341 mtk_v4l2_debug(1, "Got empty flush input buffer.");
342 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
343
344 /* update dst buf status */
345 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
346 mutex_lock(&ctx->lock);
347 dst_buf_info->used = false;
348 mutex_unlock(&ctx->lock);
349
350 vdec_if_decode(ctx, NULL, NULL, &res_chg);
351 clean_display_buffer(ctx);
352 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
353 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
354 vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
355 dst_buf->flags |= V4L2_BUF_FLAG_LAST;
356 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
357 clean_free_buffer(ctx);
358 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
359 return;
360 }
361
362 src_buf_info =
363 container_of(src_buf, struct mtk_video_dec_buf, m2m_buf.vb);
364
365 buf.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
366 buf.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
367 buf.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
368 if (!buf.va) {
369 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
370 mtk_v4l2_err("[%d] id=%d src_addr is NULL!!", ctx->id,
371 src_buf->vb2_buf.index);
372 return;
373 }
374 mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
375 ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf);
376 dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
377 dst_buf->timecode = src_buf->timecode;
378 mutex_lock(&ctx->lock);
379 dst_buf_info->used = true;
380 mutex_unlock(&ctx->lock);
381 src_buf_info->used = true;
382
383 ret = vdec_if_decode(ctx, &buf, pfb, &res_chg);
384
385 if (ret) {
386 mtk_v4l2_err(" <===[%d], src_buf[%d] sz=0x%zx pts=%llu dst_buf[%d] vdec_if_decode() ret=%d res_chg=%d===>",
387 ctx->id, src_buf->vb2_buf.index, buf.size,
388 src_buf->vb2_buf.timestamp, dst_buf->vb2_buf.index, ret, res_chg);
389 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
390 if (ret == -EIO) {
391 mutex_lock(&ctx->lock);
392 src_buf_info->error = true;
393 mutex_unlock(&ctx->lock);
394 }
395 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
396 } else if (!res_chg) {
397 /*
398 * we only return src buffer with VB2_BUF_STATE_DONE
399 * when decode success without resolution change
400 */
401 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
402 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
403 }
404
405 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
406 clean_display_buffer(ctx);
407 clean_free_buffer(ctx);
408
409 if (!ret && res_chg) {
410 mtk_vdec_pic_info_update(ctx);
411 /*
412 * On encountering a resolution change in the stream.
413 * The driver must first process and decode all
414 * remaining buffers from before the resolution change
415 * point, so call flush decode here
416 */
417 mtk_vdec_flush_decoder(ctx);
418 /*
419 * After all buffers containing decoded frames from
420 * before the resolution change point ready to be
421 * dequeued on the CAPTURE queue, the driver sends a
422 * V4L2_EVENT_SOURCE_CHANGE event for source change
423 * type V4L2_EVENT_SRC_CH_RESOLUTION
424 */
425 mtk_vdec_queue_res_chg_event(ctx);
426 }
427 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
428 }
429
vb2ops_vdec_stateful_buf_queue(struct vb2_buffer * vb)430 static void vb2ops_vdec_stateful_buf_queue(struct vb2_buffer *vb)
431 {
432 struct vb2_v4l2_buffer *src_buf;
433 struct mtk_vcodec_mem src_mem;
434 bool res_chg = false;
435 int ret;
436 unsigned int dpbsize = 1, i;
437 struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
438 struct vb2_v4l2_buffer *vb2_v4l2;
439 struct mtk_q_data *dst_q_data;
440
441 mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p", ctx->id,
442 vb->vb2_queue->type, vb->index, vb);
443 /*
444 * check if this buffer is ready to be used after decode
445 */
446 if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
447 struct mtk_video_dec_buf *buf;
448
449 vb2_v4l2 = to_vb2_v4l2_buffer(vb);
450 buf = container_of(vb2_v4l2, struct mtk_video_dec_buf,
451 m2m_buf.vb);
452 mutex_lock(&ctx->lock);
453 if (!buf->used) {
454 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
455 buf->queued_in_vb2 = true;
456 buf->queued_in_v4l2 = true;
457 } else {
458 buf->queued_in_vb2 = false;
459 buf->queued_in_v4l2 = true;
460 }
461 mutex_unlock(&ctx->lock);
462 return;
463 }
464
465 v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
466
467 if (ctx->state != MTK_STATE_INIT) {
468 mtk_v4l2_debug(3, "[%d] already init driver %d", ctx->id,
469 ctx->state);
470 return;
471 }
472
473 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
474 if (!src_buf) {
475 mtk_v4l2_err("No src buffer");
476 return;
477 }
478
479 if (src_buf == &ctx->empty_flush_buf.vb) {
480 /* This shouldn't happen. Just in case. */
481 mtk_v4l2_err("Invalid flush buffer.");
482 v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
483 return;
484 }
485
486 src_mem.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
487 src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
488 src_mem.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
489 mtk_v4l2_debug(2, "[%d] buf id=%d va=%p dma=%pad size=%zx", ctx->id,
490 src_buf->vb2_buf.index, src_mem.va, &src_mem.dma_addr,
491 src_mem.size);
492
493 ret = vdec_if_decode(ctx, &src_mem, NULL, &res_chg);
494 if (ret || !res_chg) {
495 /*
496 * fb == NULL means to parse SPS/PPS header or
497 * resolution info in src_mem. Decode can fail
498 * if there is no SPS header or picture info
499 * in bs
500 */
501
502 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
503 if (ret == -EIO) {
504 mtk_v4l2_err("[%d] Unrecoverable error in vdec_if_decode.", ctx->id);
505 ctx->state = MTK_STATE_ABORT;
506 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
507 } else {
508 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
509 }
510 mtk_v4l2_debug(ret ? 0 : 1,
511 "[%d] vdec_if_decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d",
512 ctx->id, src_buf->vb2_buf.index, src_mem.size, ret, res_chg);
513 return;
514 }
515
516 if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo)) {
517 mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR", ctx->id);
518 return;
519 }
520
521 ctx->last_decoded_picinfo = ctx->picinfo;
522 dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
523 for (i = 0; i < dst_q_data->fmt->num_planes; i++) {
524 dst_q_data->sizeimage[i] = ctx->picinfo.fb_sz[i];
525 dst_q_data->bytesperline[i] = ctx->picinfo.buf_w;
526 }
527
528 mtk_v4l2_debug(2, "[%d] vdec_if_init() OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
529 ctx->id, ctx->picinfo.buf_w, ctx->picinfo.buf_h, ctx->picinfo.pic_w,
530 ctx->picinfo.pic_h, dst_q_data->sizeimage[0], dst_q_data->sizeimage[1]);
531
532 ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
533 if (dpbsize == 0)
534 mtk_v4l2_err("[%d] GET_PARAM_DPB_SIZE fail=%d", ctx->id, ret);
535
536 ctx->dpb_size = dpbsize;
537 ctx->state = MTK_STATE_HEADER;
538 mtk_v4l2_debug(1, "[%d] dpbsize=%d", ctx->id, ctx->dpb_size);
539
540 mtk_vdec_queue_res_chg_event(ctx);
541 }
542
mtk_vdec_g_v_ctrl(struct v4l2_ctrl * ctrl)543 static int mtk_vdec_g_v_ctrl(struct v4l2_ctrl *ctrl)
544 {
545 struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
546 int ret = 0;
547
548 switch (ctrl->id) {
549 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
550 if (ctx->state >= MTK_STATE_HEADER) {
551 ctrl->val = ctx->dpb_size;
552 } else {
553 mtk_v4l2_debug(0, "Seqinfo not ready");
554 ctrl->val = 0;
555 }
556 break;
557 default:
558 ret = -EINVAL;
559 }
560 return ret;
561 }
562
563 static const struct v4l2_ctrl_ops mtk_vcodec_dec_ctrl_ops = {
564 .g_volatile_ctrl = mtk_vdec_g_v_ctrl,
565 };
566
mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx * ctx)567 static int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
568 {
569 struct v4l2_ctrl *ctrl;
570
571 v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 1);
572
573 ctrl = v4l2_ctrl_new_std(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
574 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 0, 32, 1, 1);
575 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
576 v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
577 V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
578 V4L2_MPEG_VIDEO_VP9_PROFILE_0, 0,
579 V4L2_MPEG_VIDEO_VP9_PROFILE_0);
580 /*
581 * H264. Baseline / Extended decoding is not supported.
582 */
583 v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
584 V4L2_CID_MPEG_VIDEO_H264_PROFILE, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
585 BIT(V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
586 BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
587 V4L2_MPEG_VIDEO_H264_PROFILE_MAIN);
588
589 if (ctx->ctrl_hdl.error) {
590 mtk_v4l2_err("Adding control failed %d", ctx->ctrl_hdl.error);
591 return ctx->ctrl_hdl.error;
592 }
593
594 v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
595 return 0;
596 }
597
mtk_init_vdec_params(struct mtk_vcodec_ctx * ctx)598 static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
599 {
600 }
601
602 static struct vb2_ops mtk_vdec_frame_vb2_ops = {
603 .queue_setup = vb2ops_vdec_queue_setup,
604 .buf_prepare = vb2ops_vdec_buf_prepare,
605 .wait_prepare = vb2_ops_wait_prepare,
606 .wait_finish = vb2_ops_wait_finish,
607 .start_streaming = vb2ops_vdec_start_streaming,
608
609 .buf_queue = vb2ops_vdec_stateful_buf_queue,
610 .buf_init = vb2ops_vdec_buf_init,
611 .buf_finish = vb2ops_vdec_buf_finish,
612 .stop_streaming = vb2ops_vdec_stop_streaming,
613 };
614
615 const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata = {
616 .chip = MTK_MT8173,
617 .init_vdec_params = mtk_init_vdec_params,
618 .ctrls_setup = mtk_vcodec_dec_ctrls_setup,
619 .vdec_vb2_ops = &mtk_vdec_frame_vb2_ops,
620 .vdec_formats = mtk_video_formats,
621 .num_formats = NUM_FORMATS,
622 .default_out_fmt = &mtk_video_formats[DEFAULT_OUT_FMT_IDX],
623 .default_cap_fmt = &mtk_video_formats[DEFAULT_CAP_FMT_IDX],
624 .vdec_framesizes = mtk_vdec_framesizes,
625 .num_framesizes = NUM_SUPPORTED_FRAMESIZE,
626 .worker = mtk_vdec_worker,
627 .flush_decoder = mtk_vdec_flush_decoder,
628 };
629