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_dec.h"
8 #include "mtk_vcodec_dec_pm.h"
9 #include "vdec_drv_if.h"
10
11 static struct mtk_video_fmt mtk_video_formats[] = {
12 {
13 .fourcc = V4L2_PIX_FMT_H264,
14 .type = MTK_FMT_DEC,
15 .num_planes = 1,
16 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
17 .frmsize = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
18 MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
19 },
20 {
21 .fourcc = V4L2_PIX_FMT_VP8,
22 .type = MTK_FMT_DEC,
23 .num_planes = 1,
24 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
25 .frmsize = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
26 MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
27 },
28 {
29 .fourcc = V4L2_PIX_FMT_VP9,
30 .type = MTK_FMT_DEC,
31 .num_planes = 1,
32 .flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
33 .frmsize = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
34 MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
35 },
36 {
37 .fourcc = V4L2_PIX_FMT_MT21C,
38 .type = MTK_FMT_FRAME,
39 .num_planes = 2,
40 },
41 };
42
43 static const unsigned int num_supported_formats =
44 ARRAY_SIZE(mtk_video_formats);
45
46 #define DEFAULT_OUT_FMT_IDX 0
47 #define DEFAULT_CAP_FMT_IDX 3
48
49 /*
50 * This function tries to clean all display buffers, the buffers will return
51 * in display order.
52 * Note the buffers returned from codec driver may still be in driver's
53 * reference list.
54 */
get_display_buffer(struct mtk_vcodec_dec_ctx * ctx)55 static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_dec_ctx *ctx)
56 {
57 struct vdec_fb *disp_frame_buffer = NULL;
58 struct mtk_video_dec_buf *dstbuf;
59 struct vb2_v4l2_buffer *vb;
60
61 mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
62 if (vdec_if_get_param(ctx, GET_PARAM_DISP_FRAME_BUFFER,
63 &disp_frame_buffer)) {
64 mtk_v4l2_vdec_err(ctx, "[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER",
65 ctx->id);
66 return NULL;
67 }
68
69 if (!disp_frame_buffer) {
70 mtk_v4l2_vdec_dbg(3, ctx, "No display frame buffer");
71 return NULL;
72 }
73
74 dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf,
75 frame_buffer);
76 vb = &dstbuf->m2m_buf.vb;
77 mutex_lock(&ctx->lock);
78 if (dstbuf->used) {
79 mtk_v4l2_vdec_dbg(2, ctx, "[%d]status=%x queue id=%d to done_list %d",
80 ctx->id, disp_frame_buffer->status,
81 vb->vb2_buf.index, dstbuf->queued_in_vb2);
82
83 v4l2_m2m_buf_done(vb, VB2_BUF_STATE_DONE);
84 ctx->decoded_frame_cnt++;
85 }
86 mutex_unlock(&ctx->lock);
87 return &vb->vb2_buf;
88 }
89
90 /*
91 * This function tries to clean all capture buffers that are not used as
92 * reference buffers by codec driver any more
93 * In this case, we need re-queue buffer to vb2 buffer if user space
94 * already returns this buffer to v4l2 or this buffer is just the output of
95 * previous sps/pps/resolution change decode, or do nothing if user
96 * space still owns this buffer
97 */
get_free_buffer(struct mtk_vcodec_dec_ctx * ctx)98 static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_dec_ctx *ctx)
99 {
100 struct mtk_video_dec_buf *dstbuf;
101 struct vdec_fb *free_frame_buffer = NULL;
102 struct vb2_v4l2_buffer *vb;
103
104 if (vdec_if_get_param(ctx, GET_PARAM_FREE_FRAME_BUFFER,
105 &free_frame_buffer)) {
106 mtk_v4l2_vdec_err(ctx, "[%d] Error!! Cannot get param", ctx->id);
107 return NULL;
108 }
109 if (!free_frame_buffer) {
110 mtk_v4l2_vdec_dbg(3, ctx, " No free frame buffer");
111 return NULL;
112 }
113
114 mtk_v4l2_vdec_dbg(3, ctx, "[%d] tmp_frame_addr = 0x%p", ctx->id,
115 free_frame_buffer);
116
117 dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf,
118 frame_buffer);
119 vb = &dstbuf->m2m_buf.vb;
120
121 mutex_lock(&ctx->lock);
122 if (dstbuf->used) {
123 if (dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2 &&
124 free_frame_buffer->status == FB_ST_FREE) {
125 /*
126 * After decode sps/pps or non-display buffer, we don't
127 * need to return capture buffer to user space, but
128 * just re-queue this capture buffer to vb2 queue.
129 * This reduce overheads that dq/q unused capture
130 * buffer. In this case, queued_in_vb2 = true.
131 */
132 mtk_v4l2_vdec_dbg(2, ctx, "[%d]status=%x queue id=%d to rdy_queue %d",
133 ctx->id, free_frame_buffer->status,
134 vb->vb2_buf.index, dstbuf->queued_in_vb2);
135 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
136 } else if (!dstbuf->queued_in_vb2 && dstbuf->queued_in_v4l2) {
137 /*
138 * If buffer in v4l2 driver but not in vb2 queue yet,
139 * and we get this buffer from free_list, it means
140 * that codec driver do not use this buffer as
141 * reference buffer anymore. We should q buffer to vb2
142 * queue, so later work thread could get this buffer
143 * for decode. In this case, queued_in_vb2 = false
144 * means this buffer is not from previous decode
145 * output.
146 */
147 mtk_v4l2_vdec_dbg(2, ctx,
148 "[%d]status=%x queue id=%d to rdy_queue",
149 ctx->id, free_frame_buffer->status,
150 vb->vb2_buf.index);
151 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
152 dstbuf->queued_in_vb2 = true;
153 } else {
154 /*
155 * Codec driver do not need to reference this capture
156 * buffer and this buffer is not in v4l2 driver.
157 * Then we don't need to do any thing, just add log when
158 * we need to debug buffer flow.
159 * When this buffer q from user space, it could
160 * directly q to vb2 buffer
161 */
162 mtk_v4l2_vdec_dbg(3, ctx, "[%d]status=%x err queue id=%d %d %d",
163 ctx->id, free_frame_buffer->status,
164 vb->vb2_buf.index, dstbuf->queued_in_vb2,
165 dstbuf->queued_in_v4l2);
166 }
167 dstbuf->used = false;
168 }
169 mutex_unlock(&ctx->lock);
170 return &vb->vb2_buf;
171 }
172
clean_display_buffer(struct mtk_vcodec_dec_ctx * ctx)173 static void clean_display_buffer(struct mtk_vcodec_dec_ctx *ctx)
174 {
175 while (get_display_buffer(ctx))
176 ;
177 }
178
clean_free_buffer(struct mtk_vcodec_dec_ctx * ctx)179 static void clean_free_buffer(struct mtk_vcodec_dec_ctx *ctx)
180 {
181 while (get_free_buffer(ctx))
182 ;
183 }
184
mtk_vdec_queue_res_chg_event(struct mtk_vcodec_dec_ctx * ctx)185 static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_dec_ctx *ctx)
186 {
187 static const struct v4l2_event ev_src_ch = {
188 .type = V4L2_EVENT_SOURCE_CHANGE,
189 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
190 };
191
192 mtk_v4l2_vdec_dbg(1, ctx, "[%d]", ctx->id);
193 v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
194 }
195
mtk_vdec_flush_decoder(struct mtk_vcodec_dec_ctx * ctx)196 static int mtk_vdec_flush_decoder(struct mtk_vcodec_dec_ctx *ctx)
197 {
198 bool res_chg;
199 int ret;
200
201 ret = vdec_if_decode(ctx, NULL, NULL, &res_chg);
202 if (ret)
203 mtk_v4l2_vdec_err(ctx, "DecodeFinal failed, ret=%d", ret);
204
205 clean_display_buffer(ctx);
206 clean_free_buffer(ctx);
207
208 return 0;
209 }
210
mtk_vdec_update_fmt(struct mtk_vcodec_dec_ctx * ctx,unsigned int pixelformat)211 static void mtk_vdec_update_fmt(struct mtk_vcodec_dec_ctx *ctx,
212 unsigned int pixelformat)
213 {
214 const struct mtk_video_fmt *fmt;
215 struct mtk_q_data *dst_q_data;
216 unsigned int k;
217
218 dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
219 for (k = 0; k < num_supported_formats; k++) {
220 fmt = &mtk_video_formats[k];
221 if (fmt->fourcc == pixelformat) {
222 mtk_v4l2_vdec_dbg(1, ctx, "Update cap fourcc(%d -> %d)",
223 dst_q_data->fmt->fourcc, pixelformat);
224 dst_q_data->fmt = fmt;
225 return;
226 }
227 }
228
229 mtk_v4l2_vdec_err(ctx, "Cannot get fourcc(%d), using init value", pixelformat);
230 }
231
mtk_vdec_pic_info_update(struct mtk_vcodec_dec_ctx * ctx)232 static int mtk_vdec_pic_info_update(struct mtk_vcodec_dec_ctx *ctx)
233 {
234 unsigned int dpbsize = 0;
235 int ret;
236
237 if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO,
238 &ctx->last_decoded_picinfo)) {
239 mtk_v4l2_vdec_err(ctx, "[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
240 ctx->id);
241 return -EINVAL;
242 }
243
244 if (ctx->last_decoded_picinfo.pic_w == 0 ||
245 ctx->last_decoded_picinfo.pic_h == 0 ||
246 ctx->last_decoded_picinfo.buf_w == 0 ||
247 ctx->last_decoded_picinfo.buf_h == 0) {
248 mtk_v4l2_vdec_err(ctx, "Cannot get correct pic info");
249 return -EINVAL;
250 }
251
252 if (ctx->last_decoded_picinfo.cap_fourcc != ctx->picinfo.cap_fourcc &&
253 ctx->picinfo.cap_fourcc != 0)
254 mtk_vdec_update_fmt(ctx, ctx->picinfo.cap_fourcc);
255
256 if (ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w ||
257 ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h)
258 return 0;
259
260 mtk_v4l2_vdec_dbg(1, ctx, "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)", ctx->id,
261 ctx->last_decoded_picinfo.pic_w,
262 ctx->last_decoded_picinfo.pic_h, ctx->picinfo.pic_w,
263 ctx->picinfo.pic_h, ctx->last_decoded_picinfo.buf_w,
264 ctx->last_decoded_picinfo.buf_h);
265
266 ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
267 if (dpbsize == 0)
268 mtk_v4l2_vdec_err(ctx, "Incorrect dpb size, ret=%d", ret);
269
270 ctx->dpb_size = dpbsize;
271
272 return ret;
273 }
274
mtk_vdec_worker(struct work_struct * work)275 static void mtk_vdec_worker(struct work_struct *work)
276 {
277 struct mtk_vcodec_dec_ctx *ctx =
278 container_of(work, struct mtk_vcodec_dec_ctx, decode_work);
279 struct mtk_vcodec_dec_dev *dev = ctx->dev;
280 struct vb2_v4l2_buffer *src_buf, *dst_buf;
281 struct mtk_vcodec_mem buf;
282 struct vdec_fb *pfb;
283 bool res_chg = false;
284 int ret;
285 struct mtk_video_dec_buf *dst_buf_info, *src_buf_info;
286
287 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
288 if (!src_buf) {
289 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
290 mtk_v4l2_vdec_dbg(1, ctx, "[%d] src_buf empty!!", ctx->id);
291 return;
292 }
293
294 dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
295 if (!dst_buf) {
296 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
297 mtk_v4l2_vdec_dbg(1, ctx, "[%d] dst_buf empty!!", ctx->id);
298 return;
299 }
300
301 dst_buf_info =
302 container_of(dst_buf, struct mtk_video_dec_buf, m2m_buf.vb);
303
304 pfb = &dst_buf_info->frame_buffer;
305 pfb->base_y.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
306 pfb->base_y.dma_addr =
307 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
308 pfb->base_y.size = ctx->picinfo.fb_sz[0];
309
310 pfb->base_c.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 1);
311 pfb->base_c.dma_addr =
312 vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 1);
313 pfb->base_c.size = ctx->picinfo.fb_sz[1];
314 pfb->status = 0;
315 mtk_v4l2_vdec_dbg(3, ctx, "===>[%d] vdec_if_decode() ===>", ctx->id);
316
317 mtk_v4l2_vdec_dbg(3, ctx,
318 "id=%d Framebuf pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx",
319 dst_buf->vb2_buf.index, pfb, pfb->base_y.va,
320 &pfb->base_y.dma_addr, &pfb->base_c.dma_addr, pfb->base_y.size);
321
322 if (src_buf == &ctx->empty_flush_buf.vb) {
323 mtk_v4l2_vdec_dbg(1, ctx, "Got empty flush input buffer.");
324 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
325
326 /* update dst buf status */
327 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
328 mutex_lock(&ctx->lock);
329 dst_buf_info->used = false;
330 mutex_unlock(&ctx->lock);
331
332 vdec_if_decode(ctx, NULL, NULL, &res_chg);
333 clean_display_buffer(ctx);
334 vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
335 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
336 vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
337 dst_buf->flags |= V4L2_BUF_FLAG_LAST;
338 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
339 clean_free_buffer(ctx);
340 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
341 return;
342 }
343
344 src_buf_info =
345 container_of(src_buf, struct mtk_video_dec_buf, m2m_buf.vb);
346
347 buf.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
348 buf.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
349 buf.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
350 if (!buf.va) {
351 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
352 mtk_v4l2_vdec_err(ctx, "[%d] id=%d src_addr is NULL!!", ctx->id,
353 src_buf->vb2_buf.index);
354 return;
355 }
356 mtk_v4l2_vdec_dbg(3, ctx, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
357 ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf);
358 dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
359 dst_buf->timecode = src_buf->timecode;
360 mutex_lock(&ctx->lock);
361 dst_buf_info->used = true;
362 mutex_unlock(&ctx->lock);
363 src_buf_info->used = true;
364
365 ret = vdec_if_decode(ctx, &buf, pfb, &res_chg);
366
367 if (ret) {
368 mtk_v4l2_vdec_err(ctx,
369 "[%d] decode src[%d] sz=0x%zx pts=%llu dst[%d] ret=%d res_chg=%d",
370 ctx->id, src_buf->vb2_buf.index, buf.size,
371 src_buf->vb2_buf.timestamp, dst_buf->vb2_buf.index, ret, res_chg);
372 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
373 if (ret == -EIO) {
374 mutex_lock(&ctx->lock);
375 src_buf_info->error = true;
376 mutex_unlock(&ctx->lock);
377 }
378 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
379 } else if (!res_chg) {
380 /*
381 * we only return src buffer with VB2_BUF_STATE_DONE
382 * when decode success without resolution change
383 */
384 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
385 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
386 }
387
388 dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
389 clean_display_buffer(ctx);
390 clean_free_buffer(ctx);
391
392 if (!ret && res_chg) {
393 mtk_vdec_pic_info_update(ctx);
394 /*
395 * On encountering a resolution change in the stream.
396 * The driver must first process and decode all
397 * remaining buffers from before the resolution change
398 * point, so call flush decode here
399 */
400 mtk_vdec_flush_decoder(ctx);
401 /*
402 * After all buffers containing decoded frames from
403 * before the resolution change point ready to be
404 * dequeued on the CAPTURE queue, the driver sends a
405 * V4L2_EVENT_SOURCE_CHANGE event for source change
406 * type V4L2_EVENT_SRC_CH_RESOLUTION
407 */
408 mtk_vdec_queue_res_chg_event(ctx);
409 }
410 v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
411 }
412
vb2ops_vdec_stateful_buf_queue(struct vb2_buffer * vb)413 static void vb2ops_vdec_stateful_buf_queue(struct vb2_buffer *vb)
414 {
415 struct vb2_v4l2_buffer *src_buf;
416 struct mtk_vcodec_mem src_mem;
417 bool res_chg = false;
418 int ret;
419 unsigned int dpbsize = 1, i;
420 struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
421 struct vb2_v4l2_buffer *vb2_v4l2;
422 struct mtk_q_data *dst_q_data;
423
424 mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) id=%d, vb=%p", ctx->id,
425 vb->vb2_queue->type, vb->index, vb);
426 /*
427 * check if this buffer is ready to be used after decode
428 */
429 if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
430 struct mtk_video_dec_buf *buf;
431
432 vb2_v4l2 = to_vb2_v4l2_buffer(vb);
433 buf = container_of(vb2_v4l2, struct mtk_video_dec_buf,
434 m2m_buf.vb);
435 mutex_lock(&ctx->lock);
436 if (!buf->used) {
437 v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
438 buf->queued_in_vb2 = true;
439 buf->queued_in_v4l2 = true;
440 } else {
441 buf->queued_in_vb2 = false;
442 buf->queued_in_v4l2 = true;
443 }
444 mutex_unlock(&ctx->lock);
445 return;
446 }
447
448 v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
449
450 if (ctx->state != MTK_STATE_INIT) {
451 mtk_v4l2_vdec_dbg(3, ctx, "[%d] already init driver %d", ctx->id, ctx->state);
452 return;
453 }
454
455 src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
456 if (!src_buf) {
457 mtk_v4l2_vdec_err(ctx, "No src buffer");
458 return;
459 }
460
461 if (src_buf == &ctx->empty_flush_buf.vb) {
462 /* This shouldn't happen. Just in case. */
463 mtk_v4l2_vdec_err(ctx, "Invalid flush buffer.");
464 v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
465 return;
466 }
467
468 src_mem.va = vb2_plane_vaddr(&src_buf->vb2_buf, 0);
469 src_mem.dma_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
470 src_mem.size = (size_t)src_buf->vb2_buf.planes[0].bytesused;
471 mtk_v4l2_vdec_dbg(2, ctx, "[%d] buf id=%d va=%p dma=%pad size=%zx", ctx->id,
472 src_buf->vb2_buf.index, src_mem.va, &src_mem.dma_addr, src_mem.size);
473
474 ret = vdec_if_decode(ctx, &src_mem, NULL, &res_chg);
475 if (ret || !res_chg) {
476 /*
477 * fb == NULL means to parse SPS/PPS header or
478 * resolution info in src_mem. Decode can fail
479 * if there is no SPS header or picture info
480 * in bs
481 */
482
483 src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
484 if (ret == -EIO) {
485 mtk_v4l2_vdec_err(ctx, "[%d] Unrecoverable error in vdec_if_decode.",
486 ctx->id);
487 ctx->state = MTK_STATE_ABORT;
488 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
489 } else {
490 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
491 }
492 mtk_v4l2_vdec_dbg(ret ? 0 : 1, ctx,
493 "[%d] decode() src_buf=%d, size=%zu, fail=%d, res_chg=%d",
494 ctx->id, src_buf->vb2_buf.index, src_mem.size, ret, res_chg);
495 return;
496 }
497
498 if (vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo)) {
499 mtk_v4l2_vdec_err(ctx, "[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
500 ctx->id);
501 return;
502 }
503
504 ctx->last_decoded_picinfo = ctx->picinfo;
505 dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
506 for (i = 0; i < dst_q_data->fmt->num_planes; i++) {
507 dst_q_data->sizeimage[i] = ctx->picinfo.fb_sz[i];
508 dst_q_data->bytesperline[i] = ctx->picinfo.buf_w;
509 }
510
511 mtk_v4l2_vdec_dbg(2, ctx, "[%d] init OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
512 ctx->id, ctx->picinfo.buf_w, ctx->picinfo.buf_h, ctx->picinfo.pic_w,
513 ctx->picinfo.pic_h, dst_q_data->sizeimage[0], dst_q_data->sizeimage[1]);
514
515 ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
516 if (dpbsize == 0)
517 mtk_v4l2_vdec_err(ctx, "[%d] GET_PARAM_DPB_SIZE fail=%d", ctx->id, ret);
518
519 ctx->dpb_size = dpbsize;
520 ctx->state = MTK_STATE_HEADER;
521 mtk_v4l2_vdec_dbg(1, ctx, "[%d] dpbsize=%d", ctx->id, ctx->dpb_size);
522
523 mtk_vdec_queue_res_chg_event(ctx);
524 }
525
mtk_vdec_g_v_ctrl(struct v4l2_ctrl * ctrl)526 static int mtk_vdec_g_v_ctrl(struct v4l2_ctrl *ctrl)
527 {
528 struct mtk_vcodec_dec_ctx *ctx = ctrl_to_dec_ctx(ctrl);
529 int ret = 0;
530
531 switch (ctrl->id) {
532 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
533 if (ctx->state >= MTK_STATE_HEADER) {
534 ctrl->val = ctx->dpb_size;
535 } else {
536 mtk_v4l2_vdec_dbg(0, ctx, "Seqinfo not ready");
537 ctrl->val = 0;
538 }
539 break;
540 default:
541 ret = -EINVAL;
542 }
543 return ret;
544 }
545
546 static const struct v4l2_ctrl_ops mtk_vcodec_dec_ctrl_ops = {
547 .g_volatile_ctrl = mtk_vdec_g_v_ctrl,
548 };
549
mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_dec_ctx * ctx)550 static int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_dec_ctx *ctx)
551 {
552 struct v4l2_ctrl *ctrl;
553
554 v4l2_ctrl_handler_init(&ctx->ctrl_hdl, 1);
555
556 ctrl = v4l2_ctrl_new_std(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
557 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 0, 32, 1, 1);
558 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
559 v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
560 V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
561 V4L2_MPEG_VIDEO_VP9_PROFILE_0, 0,
562 V4L2_MPEG_VIDEO_VP9_PROFILE_0);
563 /*
564 * H264. Baseline / Extended decoding is not supported.
565 */
566 v4l2_ctrl_new_std_menu(&ctx->ctrl_hdl, &mtk_vcodec_dec_ctrl_ops,
567 V4L2_CID_MPEG_VIDEO_H264_PROFILE, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
568 BIT(V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
569 BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
570 V4L2_MPEG_VIDEO_H264_PROFILE_MAIN);
571
572 if (ctx->ctrl_hdl.error) {
573 mtk_v4l2_vdec_err(ctx, "Adding control failed %d", ctx->ctrl_hdl.error);
574 return ctx->ctrl_hdl.error;
575 }
576
577 v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
578 return 0;
579 }
580
mtk_init_vdec_params(struct mtk_vcodec_dec_ctx * ctx)581 static void mtk_init_vdec_params(struct mtk_vcodec_dec_ctx *ctx)
582 {
583 unsigned int i;
584
585 if (!(ctx->dev->dec_capability & VCODEC_CAPABILITY_4K_DISABLED)) {
586 for (i = 0; i < num_supported_formats; i++) {
587 if (mtk_video_formats[i].type != MTK_FMT_DEC)
588 continue;
589
590 mtk_video_formats[i].frmsize.max_width =
591 VCODEC_DEC_4K_CODED_WIDTH;
592 mtk_video_formats[i].frmsize.max_height =
593 VCODEC_DEC_4K_CODED_HEIGHT;
594 }
595 }
596 }
597
598 static struct vb2_ops mtk_vdec_frame_vb2_ops = {
599 .queue_setup = vb2ops_vdec_queue_setup,
600 .buf_prepare = vb2ops_vdec_buf_prepare,
601 .wait_prepare = vb2_ops_wait_prepare,
602 .wait_finish = vb2_ops_wait_finish,
603 .start_streaming = vb2ops_vdec_start_streaming,
604
605 .buf_queue = vb2ops_vdec_stateful_buf_queue,
606 .buf_init = vb2ops_vdec_buf_init,
607 .buf_finish = vb2ops_vdec_buf_finish,
608 .stop_streaming = vb2ops_vdec_stop_streaming,
609 };
610
611 const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata = {
612 .init_vdec_params = mtk_init_vdec_params,
613 .ctrls_setup = mtk_vcodec_dec_ctrls_setup,
614 .vdec_vb2_ops = &mtk_vdec_frame_vb2_ops,
615 .vdec_formats = mtk_video_formats,
616 .num_formats = &num_supported_formats,
617 .default_out_fmt = &mtk_video_formats[DEFAULT_OUT_FMT_IDX],
618 .default_cap_fmt = &mtk_video_formats[DEFAULT_CAP_FMT_IDX],
619 .worker = mtk_vdec_worker,
620 .flush_decoder = mtk_vdec_flush_decoder,
621 .is_subdev_supported = false,
622 .hw_arch = MTK_VDEC_PURE_SINGLE_CORE,
623 };
624