2 * linux/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
4 * Copyright (C) 2011 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 * Kamil Debski, <k.debski@samsung.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
14 #include <linux/clk.h>
15 #include <linux/interrupt.h>
17 #include <linux/module.h>
18 #include <linux/platform_device.h>
19 #include <linux/sched.h>
20 #include <linux/slab.h>
21 #include <linux/version.h>
22 #include <linux/videodev2.h>
23 #include <linux/workqueue.h>
24 #include <media/v4l2-ctrls.h>
25 #include <media/v4l2-event.h>
26 #include <media/videobuf2-core.h>
27 #include "s5p_mfc_common.h"
28 #include "s5p_mfc_debug.h"
29 #include "s5p_mfc_dec.h"
30 #include "s5p_mfc_intr.h"
31 #include "s5p_mfc_opr.h"
32 #include "s5p_mfc_pm.h"
34 #define DEF_SRC_FMT_DEC V4L2_PIX_FMT_H264
35 #define DEF_DST_FMT_DEC V4L2_PIX_FMT_NV12MT_16X16
37 static struct s5p_mfc_fmt formats[] = {
39 .name = "4:2:0 2 Planes 16x16 Tiles",
40 .fourcc = V4L2_PIX_FMT_NV12MT_16X16,
41 .codec_mode = S5P_MFC_CODEC_NONE,
46 .name = "4:2:0 2 Planes 64x32 Tiles",
47 .fourcc = V4L2_PIX_FMT_NV12MT,
48 .codec_mode = S5P_MFC_CODEC_NONE,
53 .name = "4:2:0 2 Planes Y/CbCr",
54 .fourcc = V4L2_PIX_FMT_NV12M,
55 .codec_mode = S5P_MFC_CODEC_NONE,
60 .name = "4:2:0 2 Planes Y/CrCb",
61 .fourcc = V4L2_PIX_FMT_NV21M,
62 .codec_mode = S5P_MFC_CODEC_NONE,
67 .name = "H264 Encoded Stream",
68 .fourcc = V4L2_PIX_FMT_H264,
69 .codec_mode = S5P_MFC_CODEC_H264_DEC,
74 .name = "H264/MVC Encoded Stream",
75 .fourcc = V4L2_PIX_FMT_H264_MVC,
76 .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC,
81 .name = "H263 Encoded Stream",
82 .fourcc = V4L2_PIX_FMT_H263,
83 .codec_mode = S5P_MFC_CODEC_H263_DEC,
88 .name = "MPEG1 Encoded Stream",
89 .fourcc = V4L2_PIX_FMT_MPEG1,
90 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
95 .name = "MPEG2 Encoded Stream",
96 .fourcc = V4L2_PIX_FMT_MPEG2,
97 .codec_mode = S5P_MFC_CODEC_MPEG2_DEC,
102 .name = "MPEG4 Encoded Stream",
103 .fourcc = V4L2_PIX_FMT_MPEG4,
104 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
109 .name = "XviD Encoded Stream",
110 .fourcc = V4L2_PIX_FMT_XVID,
111 .codec_mode = S5P_MFC_CODEC_MPEG4_DEC,
116 .name = "VC1 Encoded Stream",
117 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G,
118 .codec_mode = S5P_MFC_CODEC_VC1_DEC,
123 .name = "VC1 RCV Encoded Stream",
124 .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L,
125 .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC,
130 .name = "VP8 Encoded Stream",
131 .fourcc = V4L2_PIX_FMT_VP8,
132 .codec_mode = S5P_MFC_CODEC_VP8_DEC,
138 #define NUM_FORMATS ARRAY_SIZE(formats)
140 /* Find selected format description */
141 static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t)
145 for (i = 0; i < NUM_FORMATS; i++) {
146 if (formats[i].fourcc == f->fmt.pix_mp.pixelformat &&
147 formats[i].type == t)
153 static struct mfc_control controls[] = {
155 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY,
156 .type = V4L2_CTRL_TYPE_INTEGER,
157 .name = "H264 Display Delay",
164 .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
165 .type = V4L2_CTRL_TYPE_BOOLEAN,
166 .name = "H264 Display Delay Enable",
173 .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
174 .type = V4L2_CTRL_TYPE_BOOLEAN,
175 .name = "Mpeg4 Loop Filter Enable",
182 .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE,
183 .type = V4L2_CTRL_TYPE_BOOLEAN,
184 .name = "Slice Interface Enable",
191 .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
192 .type = V4L2_CTRL_TYPE_INTEGER,
193 .name = "Minimum number of cap bufs",
202 #define NUM_CTRLS ARRAY_SIZE(controls)
204 /* Check whether a context should be run on hardware */
205 static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
207 /* Context is to parse header */
208 if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST)
210 /* Context is to decode a frame */
211 if (ctx->src_queue_cnt >= 1 &&
212 ctx->state == MFCINST_RUNNING &&
213 ctx->dst_queue_cnt >= ctx->pb_count)
215 /* Context is to return last frame */
216 if (ctx->state == MFCINST_FINISHING &&
217 ctx->dst_queue_cnt >= ctx->pb_count)
219 /* Context is to set buffers */
220 if (ctx->src_queue_cnt >= 1 &&
221 ctx->state == MFCINST_HEAD_PARSED &&
222 ctx->capture_state == QUEUE_BUFS_MMAPED)
224 /* Resolution change */
225 if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
226 ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
227 ctx->dst_queue_cnt >= ctx->pb_count)
229 if (ctx->state == MFCINST_RES_CHANGE_END &&
230 ctx->src_queue_cnt >= 1)
232 mfc_debug(2, "ctx is not ready\n");
236 static struct s5p_mfc_codec_ops decoder_codec_ops = {
237 .pre_seq_start = NULL,
238 .post_seq_start = NULL,
239 .pre_frame_start = NULL,
240 .post_frame_start = NULL,
243 /* Query capabilities of the device */
244 static int vidioc_querycap(struct file *file, void *priv,
245 struct v4l2_capability *cap)
247 struct s5p_mfc_dev *dev = video_drvdata(file);
249 strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1);
250 strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
251 cap->bus_info[0] = 0;
252 cap->version = KERNEL_VERSION(1, 0, 0);
254 * This is only a mem-to-mem video device. The capture and output
255 * device capability flags are left only for backward compatibility
256 * and are scheduled for removal.
258 cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING |
259 V4L2_CAP_VIDEO_CAPTURE_MPLANE |
260 V4L2_CAP_VIDEO_OUTPUT_MPLANE;
264 /* Enumerate format */
265 static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out)
267 struct s5p_mfc_fmt *fmt;
270 for (i = 0; i < ARRAY_SIZE(formats); ++i) {
271 if (mplane && formats[i].num_planes == 1)
273 else if (!mplane && formats[i].num_planes > 1)
275 if (out && formats[i].type != MFC_FMT_DEC)
277 else if (!out && formats[i].type != MFC_FMT_RAW)
284 if (i == ARRAY_SIZE(formats))
287 strlcpy(f->description, fmt->name, sizeof(f->description));
288 f->pixelformat = fmt->fourcc;
292 static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv,
293 struct v4l2_fmtdesc *f)
295 return vidioc_enum_fmt(f, false, false);
298 static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
299 struct v4l2_fmtdesc *f)
301 return vidioc_enum_fmt(f, true, false);
304 static int vidioc_enum_fmt_vid_out(struct file *file, void *prov,
305 struct v4l2_fmtdesc *f)
307 return vidioc_enum_fmt(f, false, true);
310 static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov,
311 struct v4l2_fmtdesc *f)
313 return vidioc_enum_fmt(f, true, true);
317 static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
319 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
320 struct v4l2_pix_format_mplane *pix_mp;
323 pix_mp = &f->fmt.pix_mp;
324 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
325 (ctx->state == MFCINST_GOT_INST || ctx->state ==
326 MFCINST_RES_CHANGE_END)) {
327 /* If the MFC is parsing the header,
328 * so wait until it is finished */
329 s5p_mfc_clean_ctx_int_flags(ctx);
330 s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET,
333 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
334 ctx->state >= MFCINST_HEAD_PARSED &&
335 ctx->state < MFCINST_ABORT) {
336 /* This is run on CAPTURE (decode output) */
337 /* Width and height are set to the dimensions
338 of the movie, the buffer is bigger and
339 further processing stages should crop to this
341 pix_mp->width = ctx->buf_width;
342 pix_mp->height = ctx->buf_height;
343 pix_mp->field = V4L2_FIELD_NONE;
344 pix_mp->num_planes = 2;
345 /* Set pixelformat to the format in which MFC
346 outputs the decoded frame */
347 pix_mp->pixelformat = ctx->dst_fmt->fourcc;
348 pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
349 pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
350 pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
351 pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
352 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
353 /* This is run on OUTPUT
354 The buffer contains compressed image
355 so width and height have no meaning */
358 pix_mp->field = V4L2_FIELD_NONE;
359 pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size;
360 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size;
361 pix_mp->pixelformat = ctx->src_fmt->fourcc;
362 pix_mp->num_planes = ctx->src_fmt->num_planes;
364 mfc_err("Format could not be read\n");
365 mfc_debug(2, "%s-- with error\n", __func__);
373 static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
375 struct s5p_mfc_dev *dev = video_drvdata(file);
376 struct s5p_mfc_fmt *fmt;
378 mfc_debug(2, "Type is %d\n", f->type);
379 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
380 fmt = find_format(f, MFC_FMT_DEC);
382 mfc_err("Unsupported format for source.\n");
385 if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
386 mfc_err("Unknown codec\n");
389 if (!IS_MFCV6(dev)) {
390 if (fmt->fourcc == V4L2_PIX_FMT_VP8) {
391 mfc_err("Not supported format.\n");
395 } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
396 fmt = find_format(f, MFC_FMT_RAW);
398 mfc_err("Unsupported format for destination.\n");
401 if (IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
402 mfc_err("Not supported format.\n");
404 } else if (!IS_MFCV6(dev) &&
405 (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) {
406 mfc_err("Not supported format.\n");
415 static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
417 struct s5p_mfc_dev *dev = video_drvdata(file);
418 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
420 struct v4l2_pix_format_mplane *pix_mp;
423 ret = vidioc_try_fmt(file, priv, f);
424 pix_mp = &f->fmt.pix_mp;
427 if (ctx->vq_src.streaming || ctx->vq_dst.streaming) {
428 v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
432 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
433 /* dst_fmt is validated by call to vidioc_try_fmt */
434 ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
437 } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
438 /* src_fmt is validated by call to vidioc_try_fmt */
439 ctx->src_fmt = find_format(f, MFC_FMT_DEC);
440 ctx->codec_mode = ctx->src_fmt->codec_mode;
441 mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
444 if (pix_mp->plane_fmt[0].sizeimage)
445 ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
447 pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
449 pix_mp->plane_fmt[0].bytesperline = 0;
450 ctx->state = MFCINST_INIT;
454 mfc_err("Wrong type error for S_FMT : %d", f->type);
464 /* Reqeust buffers */
465 static int vidioc_reqbufs(struct file *file, void *priv,
466 struct v4l2_requestbuffers *reqbufs)
468 struct s5p_mfc_dev *dev = video_drvdata(file);
469 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
472 if (reqbufs->memory != V4L2_MEMORY_MMAP) {
473 mfc_err("Only V4L2_MEMORY_MAP is supported\n");
476 if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
477 /* Can only request buffers after an instance has been opened.*/
478 if (ctx->state == MFCINST_INIT) {
479 ctx->src_bufs_cnt = 0;
480 if (reqbufs->count == 0) {
481 mfc_debug(2, "Freeing buffers\n");
483 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
488 if (ctx->output_state != QUEUE_FREE) {
489 mfc_err("Bufs have already been requested\n");
493 ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
496 mfc_err("vb2_reqbufs on output failed\n");
499 mfc_debug(2, "vb2_reqbufs: %d\n", ret);
500 ctx->output_state = QUEUE_BUFS_REQUESTED;
502 } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
503 ctx->dst_bufs_cnt = 0;
504 if (reqbufs->count == 0) {
505 mfc_debug(2, "Freeing buffers\n");
507 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
511 if (ctx->capture_state != QUEUE_FREE) {
512 mfc_err("Bufs have already been requested\n");
515 ctx->capture_state = QUEUE_BUFS_REQUESTED;
517 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
520 mfc_err("vb2_reqbufs on capture failed\n");
523 if (reqbufs->count < ctx->pb_count) {
524 mfc_err("Not enough buffers allocated\n");
527 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
531 ctx->total_dpb_count = reqbufs->count;
532 ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
534 mfc_err("Failed to allocate decoding buffers\n");
537 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
541 if (ctx->dst_bufs_cnt == ctx->total_dpb_count) {
542 ctx->capture_state = QUEUE_BUFS_MMAPED;
544 mfc_err("Not all buffers passed to buf_init\n");
547 ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
548 s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers,
553 if (s5p_mfc_ctx_ready(ctx))
554 set_work_bit_irqsave(ctx);
555 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
556 s5p_mfc_wait_for_done_ctx(ctx,
557 S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0);
563 static int vidioc_querybuf(struct file *file, void *priv,
564 struct v4l2_buffer *buf)
566 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
570 if (buf->memory != V4L2_MEMORY_MMAP) {
571 mfc_err("Only mmaped buffers can be used\n");
574 mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
575 if (ctx->state == MFCINST_INIT &&
576 buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
577 ret = vb2_querybuf(&ctx->vq_src, buf);
578 } else if (ctx->state == MFCINST_RUNNING &&
579 buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
580 ret = vb2_querybuf(&ctx->vq_dst, buf);
581 for (i = 0; i < buf->length; i++)
582 buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
584 mfc_err("vidioc_querybuf called in an inappropriate state\n");
592 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
594 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
596 if (ctx->state == MFCINST_ERROR) {
597 mfc_err("Call on QBUF after unrecoverable error\n");
600 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
601 return vb2_qbuf(&ctx->vq_src, buf);
602 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
603 return vb2_qbuf(&ctx->vq_dst, buf);
607 /* Dequeue a buffer */
608 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
610 const struct v4l2_event ev = {
611 .type = V4L2_EVENT_EOS
613 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
616 if (ctx->state == MFCINST_ERROR) {
617 mfc_err("Call on DQBUF after unrecoverable error\n");
620 if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
621 ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
622 else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
623 ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
624 if (ret == 0 && ctx->state == MFCINST_FINISHED &&
625 list_empty(&ctx->vq_dst.done_list))
626 v4l2_event_queue_fh(&ctx->fh, &ev);
633 /* Export DMA buffer */
634 static int vidioc_expbuf(struct file *file, void *priv,
635 struct v4l2_exportbuffer *eb)
637 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
639 if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
640 return vb2_expbuf(&ctx->vq_src, eb);
641 if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
642 return vb2_expbuf(&ctx->vq_dst, eb);
647 static int vidioc_streamon(struct file *file, void *priv,
648 enum v4l2_buf_type type)
650 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
651 struct s5p_mfc_dev *dev = ctx->dev;
655 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
657 if (ctx->state == MFCINST_INIT) {
658 ctx->dst_bufs_cnt = 0;
659 ctx->src_bufs_cnt = 0;
660 ctx->capture_state = QUEUE_FREE;
661 ctx->output_state = QUEUE_FREE;
662 s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer,
664 s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers,
666 set_work_bit_irqsave(ctx);
667 s5p_mfc_clean_ctx_int_flags(ctx);
668 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
670 if (s5p_mfc_wait_for_done_ctx(ctx,
671 S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) {
672 /* Error or timeout */
673 mfc_err("Error getting instance from hardware\n");
674 s5p_mfc_hw_call(dev->mfc_ops,
675 release_instance_buffer, ctx);
676 s5p_mfc_hw_call(dev->mfc_ops,
677 release_dec_desc_buffer, ctx);
680 mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
682 ret = vb2_streamon(&ctx->vq_src, type);
684 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
685 ret = vb2_streamon(&ctx->vq_dst, type);
690 /* Stream off, which equals to a pause */
691 static int vidioc_streamoff(struct file *file, void *priv,
692 enum v4l2_buf_type type)
694 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
696 if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
697 return vb2_streamoff(&ctx->vq_src, type);
698 else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
699 return vb2_streamoff(&ctx->vq_dst, type);
703 /* Set controls - v4l2 control framework */
704 static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
706 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
709 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
710 ctx->display_delay = ctrl->val;
712 case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
713 ctx->display_delay_enable = ctrl->val;
715 case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
716 ctx->loop_filter_mpeg4 = ctrl->val;
718 case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
719 ctx->slice_interface = ctrl->val;
722 mfc_err("Invalid control 0x%08x\n", ctrl->id);
728 static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
730 struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
731 struct s5p_mfc_dev *dev = ctx->dev;
734 case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
735 if (ctx->state >= MFCINST_HEAD_PARSED &&
736 ctx->state < MFCINST_ABORT) {
737 ctrl->val = ctx->pb_count;
739 } else if (ctx->state != MFCINST_INIT) {
740 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
743 /* Should wait for the header to be parsed */
744 s5p_mfc_clean_ctx_int_flags(ctx);
745 s5p_mfc_wait_for_done_ctx(ctx,
746 S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
747 if (ctx->state >= MFCINST_HEAD_PARSED &&
748 ctx->state < MFCINST_ABORT) {
749 ctrl->val = ctx->pb_count;
751 v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
760 static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = {
761 .s_ctrl = s5p_mfc_dec_s_ctrl,
762 .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl,
765 /* Get cropping information */
766 static int vidioc_g_crop(struct file *file, void *priv,
767 struct v4l2_crop *cr)
769 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
770 struct s5p_mfc_dev *dev = ctx->dev;
771 u32 left, right, top, bottom;
773 if (ctx->state != MFCINST_HEAD_PARSED &&
774 ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING
775 && ctx->state != MFCINST_FINISHED) {
776 mfc_err("Cannont set crop\n");
779 if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
780 left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
781 right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
782 left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
783 top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
784 bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
785 top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
788 cr->c.width = ctx->img_width - left - right;
789 cr->c.height = ctx->img_height - top - bottom;
790 mfc_debug(2, "Cropping info [h264]: l=%d t=%d "
791 "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top,
792 cr->c.width, cr->c.height, right, bottom,
793 ctx->buf_width, ctx->buf_height);
797 cr->c.width = ctx->img_width;
798 cr->c.height = ctx->img_height;
799 mfc_debug(2, "Cropping info: w=%d h=%d fw=%d "
800 "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width,
806 int vidioc_decoder_cmd(struct file *file, void *priv,
807 struct v4l2_decoder_cmd *cmd)
809 struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
810 struct s5p_mfc_dev *dev = ctx->dev;
811 struct s5p_mfc_buf *buf;
815 case V4L2_ENC_CMD_STOP:
819 if (!ctx->vq_src.streaming)
822 spin_lock_irqsave(&dev->irqlock, flags);
823 if (list_empty(&ctx->src_queue)) {
824 mfc_err("EOS: empty src queue, entering finishing state");
825 ctx->state = MFCINST_FINISHING;
826 if (s5p_mfc_ctx_ready(ctx))
827 set_work_bit_irqsave(ctx);
828 spin_unlock_irqrestore(&dev->irqlock, flags);
829 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
831 mfc_err("EOS: marking last buffer of stream");
832 buf = list_entry(ctx->src_queue.prev,
833 struct s5p_mfc_buf, list);
834 if (buf->flags & MFC_BUF_FLAG_USED)
835 ctx->state = MFCINST_FINISHING;
837 buf->flags |= MFC_BUF_FLAG_EOS;
838 spin_unlock_irqrestore(&dev->irqlock, flags);
847 static int vidioc_subscribe_event(struct v4l2_fh *fh,
848 const struct v4l2_event_subscription *sub)
852 return v4l2_event_subscribe(fh, sub, 2, NULL);
860 static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
861 .vidioc_querycap = vidioc_querycap,
862 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
863 .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
864 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out,
865 .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
866 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
867 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
868 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
869 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
870 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
871 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
872 .vidioc_reqbufs = vidioc_reqbufs,
873 .vidioc_querybuf = vidioc_querybuf,
874 .vidioc_qbuf = vidioc_qbuf,
875 .vidioc_dqbuf = vidioc_dqbuf,
876 .vidioc_expbuf = vidioc_expbuf,
877 .vidioc_streamon = vidioc_streamon,
878 .vidioc_streamoff = vidioc_streamoff,
879 .vidioc_g_crop = vidioc_g_crop,
880 .vidioc_decoder_cmd = vidioc_decoder_cmd,
881 .vidioc_subscribe_event = vidioc_subscribe_event,
882 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
885 static int s5p_mfc_queue_setup(struct vb2_queue *vq,
886 const struct v4l2_format *fmt, unsigned int *buf_count,
887 unsigned int *plane_count, unsigned int psize[],
890 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
891 struct s5p_mfc_dev *dev = ctx->dev;
893 /* Video output for decoding (source)
894 * this can be set after getting an instance */
895 if (ctx->state == MFCINST_INIT &&
896 vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
897 /* A single plane is required for input */
901 if (*buf_count > MFC_MAX_BUFFERS)
902 *buf_count = MFC_MAX_BUFFERS;
903 /* Video capture for decoding (destination)
904 * this can be set after the header was parsed */
905 } else if (ctx->state == MFCINST_HEAD_PARSED &&
906 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
907 /* Output plane count is 2 - one for Y and one for CbCr */
909 /* Setup buffer count */
910 if (*buf_count < ctx->pb_count)
911 *buf_count = ctx->pb_count;
912 if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
913 *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
914 if (*buf_count > MFC_MAX_BUFFERS)
915 *buf_count = MFC_MAX_BUFFERS;
917 mfc_err("State seems invalid. State = %d, vq->type = %d\n",
918 ctx->state, vq->type);
921 mfc_debug(2, "Buffer count=%d, plane count=%d\n",
922 *buf_count, *plane_count);
923 if (ctx->state == MFCINST_HEAD_PARSED &&
924 vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
925 psize[0] = ctx->luma_size;
926 psize[1] = ctx->chroma_size;
930 ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
933 ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
934 allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
935 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
936 ctx->state == MFCINST_INIT) {
937 psize[0] = ctx->dec_src_buf_size;
938 allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
940 mfc_err("This video node is dedicated to decoding. Decoding not initialized\n");
946 static void s5p_mfc_unlock(struct vb2_queue *q)
948 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
949 struct s5p_mfc_dev *dev = ctx->dev;
951 mutex_unlock(&dev->mfc_mutex);
954 static void s5p_mfc_lock(struct vb2_queue *q)
956 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
957 struct s5p_mfc_dev *dev = ctx->dev;
959 mutex_lock(&dev->mfc_mutex);
962 static int s5p_mfc_buf_init(struct vb2_buffer *vb)
964 struct vb2_queue *vq = vb->vb2_queue;
965 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
968 if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
969 if (ctx->capture_state == QUEUE_BUFS_MMAPED)
971 for (i = 0; i <= ctx->src_fmt->num_planes ; i++) {
972 if (IS_ERR_OR_NULL(ERR_PTR(
973 vb2_dma_contig_plane_dma_addr(vb, i)))) {
974 mfc_err("Plane mem not allocated\n");
978 if (vb2_plane_size(vb, 0) < ctx->luma_size ||
979 vb2_plane_size(vb, 1) < ctx->chroma_size) {
980 mfc_err("Plane buffer (CAPTURE) is too small\n");
983 i = vb->v4l2_buf.index;
984 ctx->dst_bufs[i].b = vb;
985 ctx->dst_bufs[i].cookie.raw.luma =
986 vb2_dma_contig_plane_dma_addr(vb, 0);
987 ctx->dst_bufs[i].cookie.raw.chroma =
988 vb2_dma_contig_plane_dma_addr(vb, 1);
990 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
991 if (IS_ERR_OR_NULL(ERR_PTR(
992 vb2_dma_contig_plane_dma_addr(vb, 0)))) {
993 mfc_err("Plane memory not allocated\n");
996 if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
997 mfc_err("Plane buffer (OUTPUT) is too small\n");
1001 i = vb->v4l2_buf.index;
1002 ctx->src_bufs[i].b = vb;
1003 ctx->src_bufs[i].cookie.stream =
1004 vb2_dma_contig_plane_dma_addr(vb, 0);
1005 ctx->src_bufs_cnt++;
1007 mfc_err("s5p_mfc_buf_init: unknown queue type\n");
1013 static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
1015 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1016 struct s5p_mfc_dev *dev = ctx->dev;
1018 v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
1019 if (ctx->state == MFCINST_FINISHING ||
1020 ctx->state == MFCINST_FINISHED)
1021 ctx->state = MFCINST_RUNNING;
1022 /* If context is ready then dev = work->data;schedule it to run */
1023 if (s5p_mfc_ctx_ready(ctx))
1024 set_work_bit_irqsave(ctx);
1025 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1029 static int s5p_mfc_stop_streaming(struct vb2_queue *q)
1031 unsigned long flags;
1032 struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
1033 struct s5p_mfc_dev *dev = ctx->dev;
1036 if ((ctx->state == MFCINST_FINISHING ||
1037 ctx->state == MFCINST_RUNNING) &&
1038 dev->curr_ctx == ctx->num && dev->hw_lock) {
1039 ctx->state = MFCINST_ABORT;
1040 s5p_mfc_wait_for_done_ctx(ctx,
1041 S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
1044 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1045 spin_lock_irqsave(&dev->irqlock, flags);
1046 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue,
1048 INIT_LIST_HEAD(&ctx->dst_queue);
1049 ctx->dst_queue_cnt = 0;
1050 ctx->dpb_flush_flag = 1;
1051 ctx->dec_dst_flag = 0;
1052 spin_unlock_irqrestore(&dev->irqlock, flags);
1053 if (IS_MFCV6(dev) && (ctx->state == MFCINST_RUNNING)) {
1054 ctx->state = MFCINST_FLUSH;
1055 set_work_bit_irqsave(ctx);
1056 s5p_mfc_clean_ctx_int_flags(ctx);
1057 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1058 if (s5p_mfc_wait_for_done_ctx(ctx,
1059 S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
1060 mfc_err("Err flushing buffers\n");
1063 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1064 spin_lock_irqsave(&dev->irqlock, flags);
1065 s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue,
1067 INIT_LIST_HEAD(&ctx->src_queue);
1068 ctx->src_queue_cnt = 0;
1069 spin_unlock_irqrestore(&dev->irqlock, flags);
1072 ctx->state = MFCINST_RUNNING;
1077 static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
1079 struct vb2_queue *vq = vb->vb2_queue;
1080 struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
1081 struct s5p_mfc_dev *dev = ctx->dev;
1082 unsigned long flags;
1083 struct s5p_mfc_buf *mfc_buf;
1085 if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
1086 mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index];
1087 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1088 spin_lock_irqsave(&dev->irqlock, flags);
1089 list_add_tail(&mfc_buf->list, &ctx->src_queue);
1090 ctx->src_queue_cnt++;
1091 spin_unlock_irqrestore(&dev->irqlock, flags);
1092 } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1093 mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index];
1094 mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
1095 /* Mark destination as available for use by MFC */
1096 spin_lock_irqsave(&dev->irqlock, flags);
1097 set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag);
1098 list_add_tail(&mfc_buf->list, &ctx->dst_queue);
1099 ctx->dst_queue_cnt++;
1100 spin_unlock_irqrestore(&dev->irqlock, flags);
1102 mfc_err("Unsupported buffer type (%d)\n", vq->type);
1104 if (s5p_mfc_ctx_ready(ctx))
1105 set_work_bit_irqsave(ctx);
1106 s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
1109 static struct vb2_ops s5p_mfc_dec_qops = {
1110 .queue_setup = s5p_mfc_queue_setup,
1111 .wait_prepare = s5p_mfc_unlock,
1112 .wait_finish = s5p_mfc_lock,
1113 .buf_init = s5p_mfc_buf_init,
1114 .start_streaming = s5p_mfc_start_streaming,
1115 .stop_streaming = s5p_mfc_stop_streaming,
1116 .buf_queue = s5p_mfc_buf_queue,
1119 struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
1121 return &decoder_codec_ops;
1124 struct vb2_ops *get_dec_queue_ops(void)
1126 return &s5p_mfc_dec_qops;
1129 const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
1131 return &s5p_mfc_dec_ioctl_ops;
1134 #define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \
1135 && V4L2_CTRL_DRIVER_PRIV(x))
1137 int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
1139 struct v4l2_ctrl_config cfg;
1142 v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
1143 if (ctx->ctrl_handler.error) {
1144 mfc_err("v4l2_ctrl_handler_init failed\n");
1145 return ctx->ctrl_handler.error;
1148 for (i = 0; i < NUM_CTRLS; i++) {
1149 if (IS_MFC51_PRIV(controls[i].id)) {
1150 memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
1151 cfg.ops = &s5p_mfc_dec_ctrl_ops;
1152 cfg.id = controls[i].id;
1153 cfg.min = controls[i].minimum;
1154 cfg.max = controls[i].maximum;
1155 cfg.def = controls[i].default_value;
1156 cfg.name = controls[i].name;
1157 cfg.type = controls[i].type;
1159 cfg.step = controls[i].step;
1160 cfg.menu_skip_mask = 0;
1162 ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
1165 ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
1166 &s5p_mfc_dec_ctrl_ops,
1167 controls[i].id, controls[i].minimum,
1168 controls[i].maximum, controls[i].step,
1169 controls[i].default_value);
1171 if (ctx->ctrl_handler.error) {
1172 mfc_err("Adding control (%d) failed\n", i);
1173 return ctx->ctrl_handler.error;
1175 if (controls[i].is_volatile && ctx->ctrls[i])
1176 ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
1181 void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
1185 v4l2_ctrl_handler_free(&ctx->ctrl_handler);
1186 for (i = 0; i < NUM_CTRLS; i++)
1187 ctx->ctrls[i] = NULL;
1190 void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
1192 struct v4l2_format f;
1193 f.fmt.pix_mp.pixelformat = DEF_SRC_FMT_DEC;
1194 ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
1195 f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC;
1196 ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
1197 mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n",
1198 (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt);