/* * linux/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c * * Copyright (C) 2011 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * Kamil Debski, * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include #include #include #include #include #include #include #include #include #include #include #include #include "s5p_mfc_common.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" #define DEF_SRC_FMT_DEC V4L2_PIX_FMT_H264 #define DEF_DST_FMT_DEC V4L2_PIX_FMT_NV12MT_16X16 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, }, { .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, }, { .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, }, { .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, }, { .name = "H264 Encoded Stream", .fourcc = V4L2_PIX_FMT_H264, .codec_mode = S5P_MFC_CODEC_H264_DEC, .type = MFC_FMT_DEC, .num_planes = 1, }, { .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, }, { .name = "H263 Encoded Stream", .fourcc = V4L2_PIX_FMT_H263, .codec_mode = S5P_MFC_CODEC_H263_DEC, .type = MFC_FMT_DEC, .num_planes = 1, }, { .name = "MPEG1 Encoded Stream", .fourcc = V4L2_PIX_FMT_MPEG1, .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, .type = MFC_FMT_DEC, .num_planes = 1, }, { .name = "MPEG2 Encoded Stream", .fourcc = V4L2_PIX_FMT_MPEG2, .codec_mode = S5P_MFC_CODEC_MPEG2_DEC, .type = MFC_FMT_DEC, .num_planes = 1, }, { .name = "MPEG4 Encoded Stream", .fourcc = V4L2_PIX_FMT_MPEG4, .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, .type = MFC_FMT_DEC, .num_planes = 1, }, { .name = "XviD Encoded Stream", .fourcc = V4L2_PIX_FMT_XVID, .codec_mode = S5P_MFC_CODEC_MPEG4_DEC, .type = MFC_FMT_DEC, .num_planes = 1, }, { .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, }, { .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, }, { .name = "VP8 Encoded Stream", .fourcc = V4L2_PIX_FMT_VP8, .codec_mode = S5P_MFC_CODEC_VP8_DEC, .type = MFC_FMT_DEC, .num_planes = 1, }, }; #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->dpb_count) return 1; /* Context is to return last frame */ if (ctx->state == MFCINST_FINISHING && ctx->dst_queue_cnt >= ctx->dpb_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->dpb_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 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); strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1); strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1); cap->bus_info[0] = 0; cap->version = KERNEL_VERSION(1, 0, 0); /* * 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->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_OUTPUT_MPLANE; return 0; } /* Enumerate format */ static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool mplane, bool out) { struct s5p_mfc_fmt *fmt; int i, j = 0; for (i = 0; i < ARRAY_SIZE(formats); ++i) { if (mplane && formats[i].num_planes == 1) continue; else if (!mplane && formats[i].num_planes > 1) continue; if (out && formats[i].type != MFC_FMT_DEC) continue; else if (!out && formats[i].type != MFC_FMT_RAW) continue; if (j == f->index) break; ++j; } if (i == ARRAY_SIZE(formats)) return -EINVAL; fmt = &formats[i]; strlcpy(f->description, fmt->name, sizeof(f->description)); f->pixelformat = fmt->fourcc; return 0; } static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv, struct v4l2_fmtdesc *f) { return vidioc_enum_fmt(f, false, false); } static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv, struct v4l2_fmtdesc *f) { return vidioc_enum_fmt(f, true, false); } static int vidioc_enum_fmt_vid_out(struct file *file, void *prov, struct v4l2_fmtdesc *f) { return vidioc_enum_fmt(f, false, true); } static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov, struct v4l2_fmtdesc *f) { return vidioc_enum_fmt(f, true, 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_clean_ctx_int_flags(ctx); 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 = V4L2_PIX_FMT_NV12MT; 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 (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) { mfc_err("Not supported format.\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 (IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { mfc_err("Not supported format.\n"); return -EINVAL; } else if (!IS_MFCV6(dev) && (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { mfc_err("Not supported format.\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 s5p_mfc_fmt *fmt; struct v4l2_pix_format_mplane *pix_mp; mfc_debug_enter(); ret = vidioc_try_fmt(file, priv, f); pix_mp = &f->fmt.pix_mp; if (ret) return ret; if (ctx->vq_src.streaming || ctx->vq_dst.streaming) { v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__); ret = -EBUSY; goto out; } if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { fmt = find_format(f, MFC_FMT_RAW); if (!fmt) { mfc_err("Unsupported format for source.\n"); return -EINVAL; } if (!IS_MFCV6(dev) && (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { mfc_err("Not supported format.\n"); return -EINVAL; } else if (IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { mfc_err("Not supported format.\n"); return -EINVAL; } ctx->dst_fmt = fmt; mfc_debug_leave(); return ret; } else if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { mfc_err("Wrong type error for S_FMT : %d", f->type); return -EINVAL; } fmt = find_format(f, MFC_FMT_DEC); if (!fmt || fmt->codec_mode == S5P_MFC_CODEC_NONE) { mfc_err("Unknown codec\n"); ret = -EINVAL; goto out; } if (fmt->type != MFC_FMT_DEC) { mfc_err("Wrong format selected, you should choose " "format for decoding\n"); ret = -EINVAL; goto out; } if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) { mfc_err("Not supported format.\n"); return -EINVAL; } ctx->src_fmt = fmt; ctx->codec_mode = 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) ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; else pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = DEF_CPB_SIZE; pix_mp->plane_fmt[0].bytesperline = 0; ctx->state = MFCINST_INIT; out: mfc_debug_leave(); return ret; } /* Reqeust 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); int ret = 0; if (reqbufs->memory != V4L2_MEMORY_MMAP) { mfc_err("Only V4L2_MEMORY_MAP is supported\n"); return -EINVAL; } if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { /* Can only request buffers after an instance has been opened.*/ if (ctx->state == MFCINST_INIT) { ctx->src_bufs_cnt = 0; if (reqbufs->count == 0) { mfc_debug(2, "Freeing buffers\n"); s5p_mfc_clock_on(); ret = vb2_reqbufs(&ctx->vq_src, reqbufs); s5p_mfc_clock_off(); return ret; } /* Decoding */ if (ctx->output_state != QUEUE_FREE) { mfc_err("Bufs have already been requested\n"); return -EINVAL; } s5p_mfc_clock_on(); ret = vb2_reqbufs(&ctx->vq_src, reqbufs); s5p_mfc_clock_off(); if (ret) { mfc_err("vb2_reqbufs on output failed\n"); return ret; } mfc_debug(2, "vb2_reqbufs: %d\n", ret); ctx->output_state = QUEUE_BUFS_REQUESTED; } } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { ctx->dst_bufs_cnt = 0; if (reqbufs->count == 0) { mfc_debug(2, "Freeing buffers\n"); s5p_mfc_clock_on(); ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); s5p_mfc_clock_off(); return ret; } if (ctx->capture_state != QUEUE_FREE) { mfc_err("Bufs have already been requested\n"); return -EINVAL; } ctx->capture_state = QUEUE_BUFS_REQUESTED; s5p_mfc_clock_on(); ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); s5p_mfc_clock_off(); if (ret) { mfc_err("vb2_reqbufs on capture failed\n"); return ret; } if (reqbufs->count < ctx->dpb_count) { mfc_err("Not enough buffers allocated\n"); reqbufs->count = 0; s5p_mfc_clock_on(); ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); s5p_mfc_clock_off(); return -ENOMEM; } 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; s5p_mfc_clock_on(); ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); s5p_mfc_clock_off(); return -ENOMEM; } if (ctx->dst_bufs_cnt == ctx->total_dpb_count) { ctx->capture_state = QUEUE_BUFS_MMAPED; } else { mfc_err("Not all buffers passed to buf_init\n"); reqbufs->count = 0; s5p_mfc_clock_on(); ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx); s5p_mfc_clock_off(); return -ENOMEM; } 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); } return ret; } /* 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 mmaped buffers can be used\n"); return -EINVAL; } mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type); if (ctx->state == MFCINST_INIT && 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, buf); else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) return vb2_qbuf(&ctx->vq_dst, buf); return -EINVAL; } /* Dequeue a buffer */ static int vidioc_dqbuf(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 DQBUF after unrecoverable error\n"); return -EIO; } if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) return vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); 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); struct s5p_mfc_dev *dev = ctx->dev; int ret = -EINVAL; mfc_debug_enter(); if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { if (ctx->state == MFCINST_INIT) { ctx->dst_bufs_cnt = 0; ctx->src_bufs_cnt = 0; ctx->capture_state = QUEUE_FREE; ctx->output_state = QUEUE_FREE; s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, ctx); s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers, ctx); set_work_bit_irqsave(ctx); s5p_mfc_clean_ctx_int_flags(ctx); s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); if (s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) { /* Error or timeout */ mfc_err("Error getting instance from hardware\n"); s5p_mfc_hw_call(dev->mfc_ops, release_instance_buffer, ctx); s5p_mfc_hw_call(dev->mfc_ops, release_dec_desc_buffer, ctx); return -EIO; } mfc_debug(2, "Got instance number: %d\n", ctx->inst_no); } 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->dpb_count; break; } else if (ctx->state != MFCINST_INIT) { v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n"); return -EINVAL; } /* Should wait for the header to be parsed */ s5p_mfc_clean_ctx_int_flags(ctx); 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->dpb_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 cropping information */ static int vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *cr) { struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); struct s5p_mfc_dev *dev = ctx->dev; u32 left, right, top, bottom; if (ctx->state != MFCINST_HEAD_PARSED && ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING && ctx->state != MFCINST_FINISHED) { mfc_err("Cannont set crop\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; cr->c.left = left; cr->c.top = top; cr->c.width = ctx->img_width - left - right; cr->c.height = ctx->img_height - top - bottom; mfc_debug(2, "Cropping info [h264]: l=%d t=%d " "w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top, cr->c.width, cr->c.height, right, bottom, ctx->buf_width, ctx->buf_height); } else { cr->c.left = 0; cr->c.top = 0; cr->c.width = ctx->img_width; cr->c.height = ctx->img_height; mfc_debug(2, "Cropping info: w=%d h=%d fw=%d " "fh=%d\n", cr->c.width, cr->c.height, ctx->buf_width, ctx->buf_height); } return 0; } /* v4l2_ioctl_ops */ static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = { .vidioc_querycap = vidioc_querycap, .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane, .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, .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_crop = vidioc_g_crop, }; static int s5p_mfc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, unsigned int *buf_count, unsigned int *plane_count, unsigned int psize[], void *allocators[]) { 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->dpb_count) *buf_count = ctx->dpb_count; if (*buf_count > ctx->dpb_count + MFC_MAX_EXTRA_DPB) *buf_count = ctx->dpb_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(dev)) allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; else allocators[0] = ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX]; allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && ctx->state == MFCINST_INIT) { psize[0] = ctx->dec_src_buf_size; allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX]; } else { mfc_err("This video node is dedicated to decoding. Decoding not initalised\n"); return -EINVAL; } return 0; } static void s5p_mfc_unlock(struct vb2_queue *q) { struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); struct s5p_mfc_dev *dev = ctx->dev; mutex_unlock(&dev->mfc_mutex); } static void s5p_mfc_lock(struct vb2_queue *q) { struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv); struct s5p_mfc_dev *dev = ctx->dev; mutex_lock(&dev->mfc_mutex); } static int s5p_mfc_buf_init(struct vb2_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->src_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->v4l2_buf.index; ctx->dst_bufs[i].b = vb; 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->v4l2_buf.index; ctx->src_bufs[i].b = vb; 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 int 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; if ((ctx->state == MFCINST_FINISHING || ctx->state == MFCINST_RUNNING) && dev->curr_ctx == ctx->num && dev->hw_lock) { ctx->state = MFCINST_ABORT; 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_hw_call(dev->mfc_ops, 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 (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { s5p_mfc_hw_call(dev->mfc_ops, 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); return 0; } 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->v4l2_buf.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->v4l2_buf.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->v4l2_buf.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 = s5p_mfc_unlock, .wait_finish = s5p_mfc_lock, .buf_init = s5p_mfc_buf_init, .start_streaming = s5p_mfc_start_streaming, .stop_streaming = s5p_mfc_stop_streaming, .buf_queue = s5p_mfc_buf_queue, }; 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_ID2CLASS(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 = DEF_SRC_FMT_DEC; ctx->src_fmt = find_format(&f, MFC_FMT_DEC); f.fmt.pix_mp.pixelformat = DEF_DST_FMT_DEC; ctx->dst_fmt = find_format(&f, MFC_FMT_RAW); mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n", (unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt); }