| /* |
| * 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> |
| * |
| * 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 <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_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, |
| }, |
| { |
| .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_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, |
| }, |
| { |
| .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_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | |
| MFC_V8_BIT, |
| }, |
| { |
| .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_V6_BIT | MFC_V7_BIT | MFC_V8_BIT, |
| }, |
| { |
| .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_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | |
| MFC_V8_BIT, |
| }, |
| { |
| .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_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | |
| MFC_V8_BIT, |
| }, |
| { |
| .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_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | |
| MFC_V8_BIT, |
| }, |
| { |
| .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_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | |
| MFC_V8_BIT, |
| }, |
| { |
| .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_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | |
| MFC_V8_BIT, |
| }, |
| { |
| .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_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | |
| MFC_V8_BIT, |
| }, |
| { |
| .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_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | |
| MFC_V8_BIT, |
| }, |
| { |
| .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_V6_BIT | MFC_V7_BIT | MFC_V8_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); |
| |
| 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; |
| /* |
| * 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]; |
| strlcpy(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 (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) { |
| /* 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; |
| s5p_mfc_close_mfc_inst(dev, ctx); |
| 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_void(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_void(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; |
| } |
| |
| /* 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); |
| |
| 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) { |
| 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 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_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, 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) |
| { |
| 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("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 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; |
| } |
| |
| 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 (!ctx->vq_src.streaming) |
| 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_void(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_crop = vidioc_g_crop, |
| .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[], |
| 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->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)) |
| 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 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_void(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; |
| |
| 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; |
| } |
| if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { |
| spin_lock_irqsave(&dev->irqlock, flags); |
| s5p_mfc_hw_call_void(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; |
| spin_unlock_irqrestore(&dev->irqlock, flags); |
| if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) { |
| ctx->state = MFCINST_FLUSH; |
| set_work_bit_irqsave(ctx); |
| s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev); |
| if (s5p_mfc_wait_for_done_ctx(ctx, |
| S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0)) |
| mfc_err("Err flushing buffers\n"); |
| } |
| } |
| if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { |
| spin_lock_irqsave(&dev->irqlock, flags); |
| s5p_mfc_hw_call_void(dev->mfc_ops, cleanup_queue, |
| &ctx->src_queue, &ctx->vq_src); |
| INIT_LIST_HEAD(&ctx->src_queue); |
| ctx->src_queue_cnt = 0; |
| spin_unlock_irqrestore(&dev->irqlock, flags); |
| } |
| if (aborted) |
| ctx->state = MFCINST_RUNNING; |
| } |
| |
| |
| 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_void(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(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); |
| } |
| |