| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kamil Debski | 4919 | 77.91% | 7 | 11.29% |
| Pawel Osciak | 364 | 5.76% | 5 | 8.06% |
| Jeongtae Park | 238 | 3.77% | 1 | 1.61% |
| Arun Kumar K | 198 | 3.14% | 4 | 6.45% |
| Hans Verkuil | 113 | 1.79% | 6 | 9.68% |
| Andrzej Hajda | 111 | 1.76% | 6 | 9.68% |
| Tomasz Stanislawski | 78 | 1.24% | 1 | 1.61% |
| Smitha T Murthy | 67 | 1.06% | 4 | 6.45% |
| John Sheu | 66 | 1.05% | 1 | 1.61% |
| panpan liu | 43 | 0.68% | 1 | 1.61% |
| Javier Martinez Canillas | 40 | 0.63% | 5 | 8.06% |
| Marek Szyprowski | 27 | 0.43% | 6 | 9.68% |
| Kiran AVND | 19 | 0.30% | 1 | 1.61% |
| Junghak Sung | 13 | 0.21% | 2 | 3.23% |
| Mauro Carvalho Chehab | 6 | 0.10% | 4 | 6.45% |
| Zhaowei Yuan | 2 | 0.03% | 1 | 1.61% |
| Thomas Gleixner | 2 | 0.03% | 1 | 1.61% |
| Julia Lawall | 2 | 0.03% | 1 | 1.61% |
| Lad Prabhakar | 2 | 0.03% | 1 | 1.61% |
| Ricardo Ribalda Delgado | 1 | 0.02% | 1 | 1.61% |
| Masanari Iida | 1 | 0.02% | 1 | 1.61% |
| Nicolas Dufresne | 1 | 0.02% | 1 | 1.61% |
| Randy Li | 1 | 0.02% | 1 | 1.61% |
| Total | 6314 | 62 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c * * Copyright (C) 2011 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * Kamil Debski, <k.debski@samsung.com> */ #include <linux/clk.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/videodev2.h> #include <linux/workqueue.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-event.h> #include <media/videobuf2-v4l2.h> #include "s5p_mfc_common.h" #include "s5p_mfc_ctrl.h" #include "s5p_mfc_debug.h" #include "s5p_mfc_dec.h" #include "s5p_mfc_intr.h" #include "s5p_mfc_opr.h" #include "s5p_mfc_pm.h" static struct s5p_mfc_fmt formats[] = { { .name = "4:2:0 2 Planes 16x16 Tiles", .fourcc = V4L2_PIX_FMT_NV12MT_16X16, .codec_mode = S5P_MFC_CODEC_NONE, .type = MFC_FMT_RAW, .num_planes = 2, .versions = MFC_V6_BIT | MFC_V7_BIT, }, { .name = "4:2:0 2 Planes 64x32 Tiles", .fourcc = V4L2_PIX_FMT_NV12MT, .codec_mode = S5P_MFC_CODEC_NONE, .type = MFC_FMT_RAW, .num_planes = 2, .versions = MFC_V5_BIT, }, { .name = "4:2:0 2 Planes Y/CbCr", .fourcc = V4L2_PIX_FMT_NV12M, .codec_mode = S5P_MFC_CODEC_NONE, .type = MFC_FMT_RAW, .num_planes = 2, .versions = MFC_V6PLUS_BITS, }, { .name = "4:2:0 2 Planes Y/CrCb", .fourcc = V4L2_PIX_FMT_NV21M, .codec_mode = S5P_MFC_CODEC_NONE, .type = MFC_FMT_RAW, .num_planes = 2, .versions = MFC_V6PLUS_BITS, }, { .name = "H264 Encoded Stream", .fourcc = V4L2_PIX_FMT_H264, .codec_mode = S5P_MFC_CODEC_H264_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V5PLUS_BITS, }, { .name = "H264/MVC Encoded Stream", .fourcc = V4L2_PIX_FMT_H264_MVC, .codec_mode = S5P_MFC_CODEC_H264_MVC_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V6PLUS_BITS, }, { .name = "H263 Encoded Stream", .fourcc = V4L2_PIX_FMT_H263, .codec_mode = S5P_MFC_CODEC_H263_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V5PLUS_BITS, }, { .name = "MPEG1 Encoded Stream", .fourcc = V4L2_PIX_FMT_MPEG1, .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V5PLUS_BITS, }, { .name = "MPEG2 Encoded Stream", .fourcc = V4L2_PIX_FMT_MPEG2, .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V5PLUS_BITS, }, { .name = "MPEG4 Encoded Stream", .fourcc = V4L2_PIX_FMT_MPEG4, .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V5PLUS_BITS, }, { .name = "XviD Encoded Stream", .fourcc = V4L2_PIX_FMT_XVID, .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V5PLUS_BITS, }, { .name = "VC1 Encoded Stream", .fourcc = V4L2_PIX_FMT_VC1_ANNEX_G, .codec_mode = S5P_MFC_CODEC_VC1_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V5PLUS_BITS, }, { .name = "VC1 RCV Encoded Stream", .fourcc = V4L2_PIX_FMT_VC1_ANNEX_L, .codec_mode = S5P_MFC_CODEC_VC1RCV_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V5PLUS_BITS, }, { .name = "VP8 Encoded Stream", .fourcc = V4L2_PIX_FMT_VP8, .codec_mode = S5P_MFC_CODEC_VP8_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V6PLUS_BITS, }, { .fourcc = V4L2_PIX_FMT_HEVC, .codec_mode = S5P_FIMV_CODEC_HEVC_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V10_BIT, }, { .fourcc = V4L2_PIX_FMT_VP9, .codec_mode = S5P_FIMV_CODEC_VP9_DEC, .type = MFC_FMT_DEC, .num_planes = 1, .versions = MFC_V10_BIT, }, }; #define NUM_FORMATS ARRAY_SIZE(formats) /* Find selected format description */ static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t) { unsigned int i; for (i = 0; i < NUM_FORMATS; i++) { if (formats[i].fourcc == f->fmt.pix_mp.pixelformat && formats[i].type == t) return &formats[i]; } return NULL; } static struct mfc_control controls[] = { { .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY, .type = V4L2_CTRL_TYPE_INTEGER, .name = "H264 Display Delay", .minimum = 0, .maximum = 16383, .step = 1, .default_value = 0, }, { .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE, .type = V4L2_CTRL_TYPE_BOOLEAN, .name = "H264 Display Delay Enable", .minimum = 0, .maximum = 1, .step = 1, .default_value = 0, }, { .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, .type = V4L2_CTRL_TYPE_BOOLEAN, .name = "Mpeg4 Loop Filter Enable", .minimum = 0, .maximum = 1, .step = 1, .default_value = 0, }, { .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE, .type = V4L2_CTRL_TYPE_BOOLEAN, .name = "Slice Interface Enable", .minimum = 0, .maximum = 1, .step = 1, .default_value = 0, }, { .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Minimum number of cap bufs", .minimum = 1, .maximum = 32, .step = 1, .default_value = 1, .is_volatile = 1, }, }; #define NUM_CTRLS ARRAY_SIZE(controls) /* Check whether a context should be run on hardware */ static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx) { /* Context is to parse header */ if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST) return 1; /* Context is to decode a frame */ if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_RUNNING && ctx->dst_queue_cnt >= ctx->pb_count) return 1; /* Context is to return last frame */ if (ctx->state == MFCINST_FINISHING && ctx->dst_queue_cnt >= ctx->pb_count) return 1; /* Context is to set buffers */ if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_HEAD_PARSED && ctx->capture_state == QUEUE_BUFS_MMAPED) return 1; /* Resolution change */ if ((ctx->state == MFCINST_RES_CHANGE_INIT || ctx->state == MFCINST_RES_CHANGE_FLUSH) && ctx->dst_queue_cnt >= ctx->pb_count) return 1; if (ctx->state == MFCINST_RES_CHANGE_END && ctx->src_queue_cnt >= 1) return 1; mfc_debug(2, "ctx is not ready\n"); return 0; } static const struct s5p_mfc_codec_ops decoder_codec_ops = { .pre_seq_start = NULL, .post_seq_start = NULL, .pre_frame_start = NULL, .post_frame_start = NULL, }; /* Query capabilities of the device */ static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { struct s5p_mfc_dev *dev = video_drvdata(file); strscpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver)); strscpy(cap->card, dev->vfd_dec->name, sizeof(cap->card)); snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", dev_name(&dev->plat_dev->dev)); /* * This is only a mem-to-mem video device. The capture and output * device capability flags are left only for backward compatibility * and are scheduled for removal. */ cap->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; return 0; } /* Enumerate format */ static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f, bool out) { struct s5p_mfc_dev *dev = video_drvdata(file); struct s5p_mfc_fmt *fmt; int i, j = 0; for (i = 0; i < ARRAY_SIZE(formats); ++i) { if (out && formats[i].type != MFC_FMT_DEC) continue; else if (!out && formats[i].type != MFC_FMT_RAW) continue; else if ((dev->variant->version_bit & formats[i].versions) == 0) continue; if (j == f->index) break; ++j; } if (i == ARRAY_SIZE(formats)) return -EINVAL; fmt = &formats[i]; strscpy(f->description, fmt->name, sizeof(f->description)); f->pixelformat = fmt->fourcc; return 0; } static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, struct v4l2_fmtdesc *f) { return vidioc_enum_fmt(file, f, false); } static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *priv, struct v4l2_fmtdesc *f) { return vidioc_enum_fmt(file, f, true); } /* Get format */ static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) { struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); struct v4l2_pix_format_mplane *pix_mp; mfc_debug_enter(); pix_mp = &f->fmt.pix_mp; if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && (ctx->state == MFCINST_GOT_INST || ctx->state == MFCINST_RES_CHANGE_END)) { /* If the MFC is parsing the header, * so wait until it is finished */ s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); } if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && ctx->state >= MFCINST_HEAD_PARSED && ctx->state < MFCINST_ABORT) { /* This is run on CAPTURE (decode output) */ /* Width and height are set to the dimensions of the movie, the buffer is bigger and further processing stages should crop to this rectangle. */ pix_mp->width = ctx->buf_width; pix_mp->height = ctx->buf_height; pix_mp->field = V4L2_FIELD_NONE; pix_mp->num_planes = 2; /* Set pixelformat to the format in which MFC outputs the decoded frame */ pix_mp->pixelformat = ctx->dst_fmt->fourcc; pix_mp->plane_fmt[0].bytesperline = ctx->buf_width; pix_mp->plane_fmt[0].sizeimage = ctx->luma_size; pix_mp->plane_fmt[1].bytesperline = ctx->buf_width; pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size; } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { /* This is run on OUTPUT The buffer contains compressed image so width and height have no meaning */ pix_mp->width = 0; pix_mp->height = 0; pix_mp->field = V4L2_FIELD_NONE; pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size; pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size; pix_mp->pixelformat = ctx->src_fmt->fourcc; pix_mp->num_planes = ctx->src_fmt->num_planes; } else { mfc_err("Format could not be read\n"); mfc_debug(2, "%s-- with error\n", __func__); return -EINVAL; } mfc_debug_leave(); return 0; } /* Try format */ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) { struct s5p_mfc_dev *dev = video_drvdata(file); struct s5p_mfc_fmt *fmt; mfc_debug(2, "Type is %d\n", f->type); if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { fmt = find_format(f, MFC_FMT_DEC); if (!fmt) { mfc_err("Unsupported format for source.\n"); return -EINVAL; } if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) { mfc_err("Unknown codec\n"); return -EINVAL; } if ((dev->variant->version_bit & fmt->versions) == 0) { mfc_err("Unsupported format by this MFC version.\n"); return -EINVAL; } } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { fmt = find_format(f, MFC_FMT_RAW); if (!fmt) { mfc_err("Unsupported format for destination.\n"); return -EINVAL; } if ((dev->variant->version_bit & fmt->versions) == 0) { mfc_err("Unsupported format by this MFC version.\n"); return -EINVAL; } } return 0; } /* Set format */ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) { struct s5p_mfc_dev *dev = video_drvdata(file); struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); int ret = 0; struct v4l2_pix_format_mplane *pix_mp; struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size; mfc_debug_enter(); ret = vidioc_try_fmt(file, priv, f); pix_mp = &f->fmt.pix_mp; if (ret) return ret; if (vb2_is_streaming(&ctx->vq_src) || vb2_is_streaming(&ctx->vq_dst)) { v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); ret = -EBUSY; goto out; } if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { /* dst_fmt is validated by call to vidioc_try_fmt */ ctx->dst_fmt = find_format(f, MFC_FMT_RAW); ret = 0; goto out; } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { /* src_fmt is validated by call to vidioc_try_fmt */ ctx->src_fmt = find_format(f, MFC_FMT_DEC); ctx->codec_mode = ctx->src_fmt->codec_mode; mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); pix_mp->height = 0; pix_mp->width = 0; if (pix_mp->plane_fmt[0].sizeimage == 0) pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = DEF_CPB_SIZE; else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb) ctx->dec_src_buf_size = buf_size->cpb; else ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; pix_mp->plane_fmt[0].bytesperline = 0; ctx->state = MFCINST_INIT; ret = 0; goto out; } else { mfc_err("Wrong type error for S_FMT : %d", f->type); ret = -EINVAL; goto out; } out: mfc_debug_leave(); return ret; } static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx, struct v4l2_requestbuffers *reqbufs) { int ret = 0; s5p_mfc_clock_on(); if (reqbufs->count == 0) { mfc_debug(2, "Freeing buffers\n"); ret = vb2_reqbufs(&ctx->vq_src, reqbufs); if (ret) goto out; ctx->src_bufs_cnt = 0; ctx->output_state = QUEUE_FREE; } else if (ctx->output_state == QUEUE_FREE) { /* Can only request buffers when we have a valid format set. */ WARN_ON(ctx->src_bufs_cnt != 0); if (ctx->state != MFCINST_INIT) { mfc_err("Reqbufs called in an invalid state\n"); ret = -EINVAL; goto out; } mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n", reqbufs->count); ret = vb2_reqbufs(&ctx->vq_src, reqbufs); if (ret) goto out; ret = s5p_mfc_open_mfc_inst(dev, ctx); if (ret) { reqbufs->count = 0; vb2_reqbufs(&ctx->vq_src, reqbufs); goto out; } ctx->output_state = QUEUE_BUFS_REQUESTED; } else { mfc_err("Buffers have already been requested\n"); ret = -EINVAL; } out: s5p_mfc_clock_off(); if (ret) mfc_err("Failed allocating buffers for OUTPUT queue\n"); return ret; } static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx, struct v4l2_requestbuffers *reqbufs) { int ret = 0; s5p_mfc_clock_on(); if (reqbufs->count == 0) { mfc_debug(2, "Freeing buffers\n"); ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); if (ret) goto out; s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx); ctx->dst_bufs_cnt = 0; } else if (ctx->capture_state == QUEUE_FREE) { WARN_ON(ctx->dst_bufs_cnt != 0); mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n", reqbufs->count); ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); if (ret) goto out; ctx->capture_state = QUEUE_BUFS_REQUESTED; ctx->total_dpb_count = reqbufs->count; ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx); if (ret) { mfc_err("Failed to allocate decoding buffers\n"); reqbufs->count = 0; vb2_reqbufs(&ctx->vq_dst, reqbufs); ret = -ENOMEM; ctx->capture_state = QUEUE_FREE; goto out; } WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count); ctx->capture_state = QUEUE_BUFS_MMAPED; if (s5p_mfc_ctx_ready(ctx)) set_work_bit_irqsave(ctx); s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET, 0); } else { mfc_err("Buffers have already been requested\n"); ret = -EINVAL; } out: s5p_mfc_clock_off(); if (ret) mfc_err("Failed allocating buffers for CAPTURE queue\n"); return ret; } /* Request buffers */ static int vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *reqbufs) { struct s5p_mfc_dev *dev = video_drvdata(file); struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); if (reqbufs->memory != V4L2_MEMORY_MMAP) { mfc_debug(2, "Only V4L2_MEMORY_MMAP is supported\n"); return -EINVAL; } if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { return reqbufs_output(dev, ctx, reqbufs); } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { return reqbufs_capture(dev, ctx, reqbufs); } else { mfc_err("Invalid type requested\n"); return -EINVAL; } } /* Query buffer */ static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf) { struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); int ret; int i; if (buf->memory != V4L2_MEMORY_MMAP) { mfc_err("Only mmapped buffers can be used\n"); return -EINVAL; } mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); if (ctx->state == MFCINST_GOT_INST && buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { ret = vb2_querybuf(&ctx->vq_src, buf); } else if (ctx->state == MFCINST_RUNNING && buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { ret = vb2_querybuf(&ctx->vq_dst, buf); for (i = 0; i < buf->length; i++) buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE; } else { mfc_err("vidioc_querybuf called in an inappropriate state\n"); ret = -EINVAL; } mfc_debug_leave(); return ret; } /* Queue a buffer */ static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) { struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); if (ctx->state == MFCINST_ERROR) { mfc_err("Call on QBUF after unrecoverable error\n"); return -EIO; } if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) return vb2_qbuf(&ctx->vq_src, NULL, buf); else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) return vb2_qbuf(&ctx->vq_dst, NULL, buf); return -EINVAL; } /* Dequeue a buffer */ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) { const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); int ret; if (ctx->state == MFCINST_ERROR) { mfc_err_limited("Call on DQBUF after unrecoverable error\n"); return -EIO; } switch (buf->type) { case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); if (ret) return ret; if (ctx->state == MFCINST_FINISHED && (ctx->dst_bufs[buf->index].flags & MFC_BUF_FLAG_EOS)) v4l2_event_queue_fh(&ctx->fh, &ev); return 0; default: return -EINVAL; } } /* Export DMA buffer */ static int vidioc_expbuf(struct file *file, void *priv, struct v4l2_exportbuffer *eb) { struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) return vb2_expbuf(&ctx->vq_src, eb); if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) return vb2_expbuf(&ctx->vq_dst, eb); return -EINVAL; } /* Stream on */ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type type) { struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); int ret = -EINVAL; mfc_debug_enter(); if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ret = vb2_streamon(&ctx->vq_src, type); else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) ret = vb2_streamon(&ctx->vq_dst, type); mfc_debug_leave(); return ret; } /* Stream off, which equals to a pause */ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type type) { struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) return vb2_streamoff(&ctx->vq_src, type); else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) return vb2_streamoff(&ctx->vq_dst, type); return -EINVAL; } /* Set controls - v4l2 control framework */ static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl) { struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); switch (ctrl->id) { case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY: ctx->display_delay = ctrl->val; break; case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE: ctx->display_delay_enable = ctrl->val; break; case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: ctx->loop_filter_mpeg4 = ctrl->val; break; case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE: ctx->slice_interface = ctrl->val; break; default: mfc_err("Invalid control 0x%08x\n", ctrl->id); return -EINVAL; } return 0; } static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl) { struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); struct s5p_mfc_dev *dev = ctx->dev; switch (ctrl->id) { case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: if (ctx->state >= MFCINST_HEAD_PARSED && ctx->state < MFCINST_ABORT) { ctrl->val = ctx->pb_count; break; } else if (ctx->state != MFCINST_INIT && ctx->state != MFCINST_RES_CHANGE_END) { v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); return -EINVAL; } /* Should wait for the header to be parsed */ s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); if (ctx->state >= MFCINST_HEAD_PARSED && ctx->state < MFCINST_ABORT) { ctrl->val = ctx->pb_count; } else { v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); return -EINVAL; } break; } return 0; } static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = { .s_ctrl = s5p_mfc_dec_s_ctrl, .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl, }; /* Get compose information */ static int vidioc_g_selection(struct file *file, void *priv, struct v4l2_selection *s) { struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); struct s5p_mfc_dev *dev = ctx->dev; u32 left, right, top, bottom; u32 width, height; if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; if (ctx->state != MFCINST_HEAD_PARSED && ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING && ctx->state != MFCINST_FINISHED) { mfc_err("Can not get compose information\n"); return -EINVAL; } if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) { left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx); right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT; left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK; top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx); bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT; top = top & S5P_FIMV_SHARED_CROP_TOP_MASK; width = ctx->img_width - left - right; height = ctx->img_height - top - bottom; mfc_debug(2, "Composing info [h264]: l=%d t=%d w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, s->r.width, s->r.height, right, bottom, ctx->buf_width, ctx->buf_height); } else { left = 0; top = 0; width = ctx->img_width; height = ctx->img_height; mfc_debug(2, "Composing info: w=%d h=%d fw=%d fh=%d\n", s->r.width, s->r.height, ctx->buf_width, ctx->buf_height); } switch (s->target) { case V4L2_SEL_TGT_COMPOSE: case V4L2_SEL_TGT_COMPOSE_DEFAULT: case V4L2_SEL_TGT_COMPOSE_BOUNDS: s->r.left = left; s->r.top = top; s->r.width = width; s->r.height = height; break; default: return -EINVAL; } return 0; } static int vidioc_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd) { struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); struct s5p_mfc_dev *dev = ctx->dev; struct s5p_mfc_buf *buf; unsigned long flags; switch (cmd->cmd) { case V4L2_DEC_CMD_STOP: if (cmd->flags != 0) return -EINVAL; if (!vb2_is_streaming(&ctx->vq_src)) return -EINVAL; spin_lock_irqsave(&dev->irqlock, flags); if (list_empty(&ctx->src_queue)) { mfc_err("EOS: empty src queue, entering finishing state"); ctx->state = MFCINST_FINISHING; if (s5p_mfc_ctx_ready(ctx)) set_work_bit_irqsave(ctx); spin_unlock_irqrestore(&dev->irqlock, flags); s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); } else { mfc_err("EOS: marking last buffer of stream"); buf = list_entry(ctx->src_queue.prev, struct s5p_mfc_buf, list); if (buf->flags & MFC_BUF_FLAG_USED) ctx->state = MFCINST_FINISHING; else buf->flags |= MFC_BUF_FLAG_EOS; spin_unlock_irqrestore(&dev->irqlock, flags); } break; default: return -EINVAL; } return 0; } static int vidioc_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) { switch (sub->type) { case V4L2_EVENT_EOS: return v4l2_event_subscribe(fh, sub, 2, NULL); case V4L2_EVENT_SOURCE_CHANGE: return v4l2_src_change_event_subscribe(fh, sub); default: return -EINVAL; } } /* v4l2_ioctl_ops */ static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { .vidioc_querycap = vidioc_querycap, .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane, .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt, .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt, .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt, .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt, .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt, .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt, .vidioc_reqbufs = vidioc_reqbufs, .vidioc_querybuf = vidioc_querybuf, .vidioc_qbuf = vidioc_qbuf, .vidioc_dqbuf = vidioc_dqbuf, .vidioc_expbuf = vidioc_expbuf, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, .vidioc_g_selection = vidioc_g_selection, .vidioc_decoder_cmd = vidioc_decoder_cmd, .vidioc_subscribe_event = vidioc_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static int s5p_mfc_queue_setup(struct vb2_queue *vq, unsigned int *buf_count, unsigned int *plane_count, unsigned int psize[], struct device *alloc_devs[]) { struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); struct s5p_mfc_dev *dev = ctx->dev; /* Video output for decoding (source) * this can be set after getting an instance */ if (ctx->state == MFCINST_INIT && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { /* A single plane is required for input */ *plane_count = 1; if (*buf_count < 1) *buf_count = 1; if (*buf_count > MFC_MAX_BUFFERS) *buf_count = MFC_MAX_BUFFERS; /* Video capture for decoding (destination) * this can be set after the header was parsed */ } else if (ctx->state == MFCINST_HEAD_PARSED && vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { /* Output plane count is 2 - one for Y and one for CbCr */ *plane_count = 2; /* Setup buffer count */ if (*buf_count < ctx->pb_count) *buf_count = ctx->pb_count; if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB) *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB; if (*buf_count > MFC_MAX_BUFFERS) *buf_count = MFC_MAX_BUFFERS; } else { mfc_err("State seems invalid. State = %d, vq->type = %d\n", ctx->state, vq->type); return -EINVAL; } mfc_debug(2, "Buffer count=%d, plane count=%d\n", *buf_count, *plane_count); if (ctx->state == MFCINST_HEAD_PARSED && vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { psize[0] = ctx->luma_size; psize[1] = ctx->chroma_size; if (IS_MFCV6_PLUS(dev)) alloc_devs[0] = ctx->dev->mem_dev[BANK_L_CTX]; else alloc_devs[0] = ctx->dev->mem_dev[BANK_R_CTX]; alloc_devs[1] = ctx->dev->mem_dev[BANK_L_CTX]; } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && ctx->state == MFCINST_INIT) { psize[0] = ctx->dec_src_buf_size; alloc_devs[0] = ctx->dev->mem_dev[BANK_L_CTX]; } else { mfc_err("This video node is dedicated to decoding. Decoding not initialized\n"); return -EINVAL; } return 0; } static int s5p_mfc_buf_init(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct vb2_queue *vq = vb->vb2_queue; struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); unsigned int i; if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { if (ctx->capture_state == QUEUE_BUFS_MMAPED) return 0; for (i = 0; i < ctx->dst_fmt->num_planes; i++) { if (IS_ERR_OR_NULL(ERR_PTR( vb2_dma_contig_plane_dma_addr(vb, i)))) { mfc_err("Plane mem not allocated\n"); return -EINVAL; } } if (vb2_plane_size(vb, 0) < ctx->luma_size || vb2_plane_size(vb, 1) < ctx->chroma_size) { mfc_err("Plane buffer (CAPTURE) is too small\n"); return -EINVAL; } i = vb->index; ctx->dst_bufs[i].b = vbuf; ctx->dst_bufs[i].cookie.raw.luma = vb2_dma_contig_plane_dma_addr(vb, 0); ctx->dst_bufs[i].cookie.raw.chroma = vb2_dma_contig_plane_dma_addr(vb, 1); ctx->dst_bufs_cnt++; } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { if (IS_ERR_OR_NULL(ERR_PTR( vb2_dma_contig_plane_dma_addr(vb, 0)))) { mfc_err("Plane memory not allocated\n"); return -EINVAL; } if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) { mfc_err("Plane buffer (OUTPUT) is too small\n"); return -EINVAL; } i = vb->index; ctx->src_bufs[i].b = vbuf; ctx->src_bufs[i].cookie.stream = vb2_dma_contig_plane_dma_addr(vb, 0); ctx->src_bufs_cnt++; } else { mfc_err("s5p_mfc_buf_init: unknown queue type\n"); return -EINVAL; } return 0; } static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count) { struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); struct s5p_mfc_dev *dev = ctx->dev; v4l2_ctrl_handler_setup(&ctx->ctrl_handler); if (ctx->state == MFCINST_FINISHING || ctx->state == MFCINST_FINISHED) ctx->state = MFCINST_RUNNING; /* If context is ready then dev = work->data;schedule it to run */ if (s5p_mfc_ctx_ready(ctx)) set_work_bit_irqsave(ctx); s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); return 0; } static void s5p_mfc_stop_streaming(struct vb2_queue *q) { unsigned long flags; struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); struct s5p_mfc_dev *dev = ctx->dev; int aborted = 0; spin_lock_irqsave(&dev->irqlock, flags); if ((ctx->state == MFCINST_FINISHING || ctx->state == MFCINST_RUNNING) && dev->curr_ctx == ctx->num && dev->hw_lock) { ctx->state = MFCINST_ABORT; spin_unlock_irqrestore(&dev->irqlock, flags); s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0); aborted = 1; spin_lock_irqsave(&dev->irqlock, flags); } if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst); INIT_LIST_HEAD(&ctx->dst_queue); ctx->dst_queue_cnt = 0; ctx->dpb_flush_flag = 1; ctx->dec_dst_flag = 0; if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) { ctx->state = MFCINST_FLUSH; set_work_bit_irqsave(ctx); s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); spin_unlock_irqrestore(&dev->irqlock, flags); if (s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0)) mfc_err("Err flushing buffers\n"); spin_lock_irqsave(&dev->irqlock, flags); } } else if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src); INIT_LIST_HEAD(&ctx->src_queue); ctx->src_queue_cnt = 0; } if (aborted) ctx->state = MFCINST_RUNNING; spin_unlock_irqrestore(&dev->irqlock, flags); } static void s5p_mfc_buf_queue(struct vb2_buffer *vb) { struct vb2_queue *vq = vb->vb2_queue; struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv); struct s5p_mfc_dev *dev = ctx->dev; unsigned long flags; struct s5p_mfc_buf *mfc_buf; if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { mfc_buf = &ctx->src_bufs[vb->index]; mfc_buf->flags &= ~MFC_BUF_FLAG_USED; spin_lock_irqsave(&dev->irqlock, flags); list_add_tail(&mfc_buf->list, &ctx->src_queue); ctx->src_queue_cnt++; spin_unlock_irqrestore(&dev->irqlock, flags); } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { mfc_buf = &ctx->dst_bufs[vb->index]; mfc_buf->flags &= ~MFC_BUF_FLAG_USED; /* Mark destination as available for use by MFC */ spin_lock_irqsave(&dev->irqlock, flags); set_bit(vb->index, &ctx->dec_dst_flag); list_add_tail(&mfc_buf->list, &ctx->dst_queue); ctx->dst_queue_cnt++; spin_unlock_irqrestore(&dev->irqlock, flags); } else { mfc_err("Unsupported buffer type (%d)\n", vq->type); } if (s5p_mfc_ctx_ready(ctx)) set_work_bit_irqsave(ctx); s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); } static struct vb2_ops s5p_mfc_dec_qops = { .queue_setup = s5p_mfc_queue_setup, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, .buf_init = s5p_mfc_buf_init, .start_streaming = s5p_mfc_start_streaming, .stop_streaming = s5p_mfc_stop_streaming, .buf_queue = s5p_mfc_buf_queue, }; const struct s5p_mfc_codec_ops *get_dec_codec_ops(void) { return &decoder_codec_ops; } struct vb2_ops *get_dec_queue_ops(void) { return &s5p_mfc_dec_qops; } const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void) { return &s5p_mfc_dec_ioctl_ops; } #define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2WHICH(x) == V4L2_CTRL_CLASS_MPEG) \ && V4L2_CTRL_DRIVER_PRIV(x)) int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) { struct v4l2_ctrl_config cfg; int i; v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS); if (ctx->ctrl_handler.error) { mfc_err("v4l2_ctrl_handler_init failed\n"); return ctx->ctrl_handler.error; } for (i = 0; i < NUM_CTRLS; i++) { if (IS_MFC51_PRIV(controls[i].id)) { memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); cfg.ops = &s5p_mfc_dec_ctrl_ops; cfg.id = controls[i].id; cfg.min = controls[i].minimum; cfg.max = controls[i].maximum; cfg.def = controls[i].default_value; cfg.name = controls[i].name; cfg.type = controls[i].type; cfg.step = controls[i].step; cfg.menu_skip_mask = 0; ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler, &cfg, NULL); } else { ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_mfc_dec_ctrl_ops, controls[i].id, controls[i].minimum, controls[i].maximum, controls[i].step, controls[i].default_value); } if (ctx->ctrl_handler.error) { mfc_err("Adding control (%d) failed\n", i); return ctx->ctrl_handler.error; } if (controls[i].is_volatile && ctx->ctrls[i]) ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE; } return 0; } void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx) { int i; v4l2_ctrl_handler_free(&ctx->ctrl_handler); for (i = 0; i < NUM_CTRLS; i++) ctx->ctrls[i] = NULL; } void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx) { struct v4l2_format f; f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264; ctx->src_fmt = find_format(&f, MFC_FMT_DEC); if (IS_MFCV8_PLUS(ctx->dev)) f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M; else if (IS_MFCV6_PLUS(ctx->dev)) f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16; else f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT; ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); mfc_debug(2, "Default src_fmt is %p, dest_fmt is %p\n", ctx->src_fmt, ctx->dst_fmt); }
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