new file mode 100644
@@ -0,0 +1,1692 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020-2021 NXP
+ */
+
+#define TAG "DEC"
+#include <linux/init.h>
+#include <linux/interconnect.h>
+#include <linux/ioctl.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/v4l2-ioctl.h>
+#include <media/videobuf2-v4l2.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/videobuf2-vmalloc.h>
+#include "vpu.h"
+#include "vpu_defs.h"
+#include "vpu_core.h"
+#include "vpu_helpers.h"
+#include "vpu_v4l2.h"
+#include "vpu_cmds.h"
+#include "vpu_rpc.h"
+#include "vpu_log.h"
+
+#define VDEC_FRAME_DEPTH 256
+
+struct vdec_fs_info {
+ char name[8];
+ u32 type;
+ u32 max_count;
+ u32 req_count;
+ u32 count;
+ u32 index;
+ u32 size;
+ struct vpu_buffer buffer[32];
+ u32 tag;
+};
+
+struct vdec_t {
+ u32 seq_hdr_found;
+ struct vpu_buffer udata;
+ struct vpu_decode_params params;
+ struct vpu_dec_codec_info codec_info;
+ enum vpu_codec_state state;
+
+ struct vpu_vb2_buffer *slots[VB2_MAX_FRAME];
+ u32 req_frame_count;
+ struct vdec_fs_info mbi;
+ struct vdec_fs_info dcp;
+ u32 seq_tag;
+
+ u32 decoded_frame_count;
+ u32 display_frame_count;
+ u32 eos_received;
+ u32 eos_subscribed;
+ bool is_source_changed;
+ u32 source_change;
+ u32 drain;
+ u32 ts_pre_count;
+ u32 frame_depth;
+ s64 ts_start;
+ s64 ts_input;
+ s64 timestamp;
+};
+
+static const struct vpu_format vdec_formats[] = {
+ {
+ .pixfmt = V4L2_PIX_FMT_NV12_8L128,
+ .num_planes = 2,
+ .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_NV12_10BE_8L128,
+ .num_planes = 2,
+ .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_H264,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_H264_MVC,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_HEVC,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_MPEG2,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_MPEG4,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_XVID,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_VP8,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {
+ .pixfmt = V4L2_PIX_FMT_H263,
+ .num_planes = 1,
+ .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+ .flags = V4L2_FMT_FLAG_DYN_RESOLUTION
+ },
+ {0, 0, 0, 0},
+};
+
+static const struct v4l2_ctrl_ops vdec_ctrl_ops = {
+ .g_volatile_ctrl = vpu_helper_g_volatile_ctrl,
+};
+
+static int vdec_ctrl_init(struct vpu_inst *inst)
+{
+ struct v4l2_ctrl *ctrl;
+ int ret;
+
+ ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 20);
+ if (ret)
+ return ret;
+
+ ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
+ V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 2);
+ if (ctrl)
+ ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+ ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
+ V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 32, 1, 2);
+ if (ctrl)
+ ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+ ret = v4l2_ctrl_handler_setup(&inst->ctrl_handler);
+ if (ret) {
+ inst_err(inst, "setup ctrls fail, ret = %d\n", ret);
+ v4l2_ctrl_handler_free(&inst->ctrl_handler);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int vdec_handle_eos(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vb2_queue *dst_q = v4l2_m2m_get_dst_vq(inst->m2m_ctx);
+
+ if (!vdec->eos_received)
+ return 0;
+
+ if (!vdec->eos_subscribed)
+ return 0;
+
+ if (!list_empty(&dst_q->done_list))
+ return 0;
+
+ dst_q->last_buffer_dequeued = true;
+ vpu_notify_eos(inst);
+ vdec->eos_received--;
+
+ return 0;
+}
+
+static void vdec_handle_resolution_change(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vb2_queue *q;
+
+ if (inst->state != VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
+ return;
+ if (!vdec->source_change)
+ return;
+
+ q = v4l2_m2m_get_dst_vq(inst->m2m_ctx);
+ if (!list_empty(&q->done_list))
+ return;
+
+ vdec->source_change--;
+ vpu_notify_source_change(inst);
+}
+
+static int vdec_update_state(struct vpu_inst *inst,
+ enum vpu_codec_state state, u32 force)
+{
+ struct vdec_t *vdec = inst->priv;
+ enum vpu_codec_state pre_state = inst->state;
+
+ if (state == VPU_CODEC_STATE_SEEK) {
+ if (inst->state == VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
+ vdec->state = inst->state;
+ else
+ vdec->state = VPU_CODEC_STATE_ACTIVE;
+ }
+ if (inst->state != VPU_CODEC_STATE_SEEK || force)
+ inst->state = state;
+ else if (state == VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
+ vdec->state = VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE;
+
+ inst_dbg(inst, LVL_FLOW, "state : %d -> %d\n", pre_state, inst->state);
+
+ if (inst->state == VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
+ vdec_handle_resolution_change(inst);
+
+ return 0;
+}
+
+static int vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
+{
+ strscpy(cap->driver, "amphion-vpu", sizeof(cap->driver));
+ strscpy(cap->card, "amphion vpu decoder", sizeof(cap->card));
+ strscpy(cap->bus_info, "platform: amphion-vpu", sizeof(cap->bus_info));
+
+ return 0;
+}
+
+static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+ struct vpu_inst *inst = to_inst(file);
+ struct vdec_t *vdec = inst->priv;
+ const struct vpu_format *fmt;
+ int ret = -EINVAL;
+
+ vpu_inst_lock(inst);
+ if (!V4L2_TYPE_IS_OUTPUT(f->type) && vdec->seq_hdr_found) {
+ if (f->index == 0) {
+ f->pixelformat = inst->cap_format.pixfmt;
+ f->flags = inst->cap_format.flags;
+ ret = 0;
+ }
+ } else {
+ fmt = vpu_helper_enum_format(inst, f->type, f->index);
+ memset(f->reserved, 0, sizeof(f->reserved));
+ if (!fmt)
+ goto exit;
+
+ f->pixelformat = fmt->pixfmt;
+ f->flags = fmt->flags;
+ ret = 0;
+ }
+
+exit:
+ vpu_inst_unlock(inst);
+ return ret;
+}
+
+static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+ struct vpu_inst *inst = to_inst(file);
+ struct vdec_t *vdec = inst->priv;
+ struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+ struct vpu_format *cur_fmt;
+ int i;
+
+ cur_fmt = vpu_get_format(inst, f->type);
+
+ pixmp->pixelformat = cur_fmt->pixfmt;
+ pixmp->num_planes = cur_fmt->num_planes;
+ pixmp->width = cur_fmt->width;
+ pixmp->height = cur_fmt->height;
+ pixmp->field = cur_fmt->field;
+ pixmp->flags = cur_fmt->flags;
+ for (i = 0; i < pixmp->num_planes; i++) {
+ pixmp->plane_fmt[i].bytesperline = cur_fmt->bytesperline[i];
+ pixmp->plane_fmt[i].sizeimage = cur_fmt->sizeimage[i];
+ }
+
+ f->fmt.pix_mp.colorspace = vdec->codec_info.color_primaries;
+ f->fmt.pix_mp.xfer_func = vdec->codec_info.transfer_chars;
+ f->fmt.pix_mp.ycbcr_enc = vdec->codec_info.matrix_coeffs;
+ f->fmt.pix_mp.quantization = vdec->codec_info.full_range;
+
+ inst_dbg(inst, LVL_DEBUG, "%s g_fmt: %c%c%c%c %dx%d %d,%d, %d,%d\n",
+ vpu_type_name(f->type),
+ f->fmt.pix_mp.pixelformat,
+ f->fmt.pix_mp.pixelformat >> 8,
+ f->fmt.pix_mp.pixelformat >> 16,
+ f->fmt.pix_mp.pixelformat >> 24,
+ f->fmt.pix_mp.width,
+ f->fmt.pix_mp.height,
+ pixmp->plane_fmt[0].sizeimage,
+ pixmp->plane_fmt[1].sizeimage,
+ pixmp->plane_fmt[0].bytesperline,
+ pixmp->plane_fmt[1].bytesperline);
+
+ return 0;
+}
+
+static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+ struct vpu_inst *inst = to_inst(file);
+ struct vdec_t *vdec = inst->priv;
+
+ vpu_try_fmt_common(inst, f);
+
+ vpu_inst_lock(inst);
+ if (vdec->seq_hdr_found) {
+ f->fmt.pix_mp.colorspace = vdec->codec_info.color_primaries;
+ f->fmt.pix_mp.xfer_func = vdec->codec_info.transfer_chars;
+ f->fmt.pix_mp.ycbcr_enc = vdec->codec_info.matrix_coeffs;
+ f->fmt.pix_mp.quantization = vdec->codec_info.full_range;
+ } else {
+ f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_DEFAULT;
+ f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT;
+ f->fmt.pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ f->fmt.pix_mp.quantization = V4L2_QUANTIZATION_DEFAULT;
+ }
+ vpu_inst_unlock(inst);
+
+ return 0;
+}
+
+static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
+{
+ struct vpu_inst *inst = to_inst(file);
+ struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+ const struct vpu_format *fmt;
+ struct vpu_format *cur_fmt;
+ struct vb2_queue *q;
+ struct vdec_t *vdec;
+ int i;
+
+ vdec = inst->priv;
+ q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
+ if (!q)
+ return -EINVAL;
+ if (vb2_is_streaming(q))
+ return -EBUSY;
+
+ fmt = vpu_try_fmt_common(inst, f);
+ if (!fmt)
+ return -EINVAL;
+
+ cur_fmt = vpu_get_format(inst, f->type);
+
+ vpu_inst_lock(inst);
+ cur_fmt->pixfmt = fmt->pixfmt;
+ cur_fmt->type = fmt->type;
+ if (V4L2_TYPE_IS_OUTPUT(f->type) || vdec->seq_hdr_found <= 0) {
+ cur_fmt->num_planes = fmt->num_planes;
+ cur_fmt->flags = fmt->flags;
+ cur_fmt->width = pixmp->width;
+ cur_fmt->height = pixmp->height;
+ for (i = 0; i < fmt->num_planes; i++) {
+ cur_fmt->sizeimage[i] = pixmp->plane_fmt[i].sizeimage;
+ cur_fmt->bytesperline[i] = pixmp->plane_fmt[i].bytesperline;
+ }
+ if (pixmp->field != V4L2_FIELD_ANY)
+ cur_fmt->field = pixmp->field;
+ } else {
+ pixmp->num_planes = cur_fmt->num_planes;
+ pixmp->width = cur_fmt->width;
+ pixmp->height = cur_fmt->height;
+ for (i = 0; i < pixmp->num_planes; i++) {
+ pixmp->plane_fmt[i].bytesperline = cur_fmt->bytesperline[i];
+ pixmp->plane_fmt[i].sizeimage = cur_fmt->sizeimage[i];
+ }
+ pixmp->field = cur_fmt->field;
+ }
+ if (V4L2_TYPE_IS_OUTPUT(f->type))
+ vdec->params.codec_format = cur_fmt->pixfmt;
+ else
+ vdec->params.output_format = cur_fmt->pixfmt;
+
+ if (!vdec->seq_hdr_found) {
+ vdec->codec_info.color_primaries = f->fmt.pix_mp.colorspace;
+ vdec->codec_info.transfer_chars = f->fmt.pix_mp.xfer_func;
+ vdec->codec_info.matrix_coeffs = f->fmt.pix_mp.ycbcr_enc;
+ vdec->codec_info.full_range = f->fmt.pix_mp.quantization;
+
+ inst->crop.left = 0;
+ inst->crop.top = 0;
+ inst->crop.width = cur_fmt->width;
+ inst->crop.height = cur_fmt->height;
+ } else {
+ f->fmt.pix_mp.colorspace = vdec->codec_info.color_primaries;
+ f->fmt.pix_mp.xfer_func = vdec->codec_info.transfer_chars;
+ f->fmt.pix_mp.ycbcr_enc = vdec->codec_info.matrix_coeffs;
+ f->fmt.pix_mp.quantization = vdec->codec_info.full_range;
+ }
+
+ vpu_inst_unlock(inst);
+
+ inst_dbg(inst, LVL_FLOW, "%s s_fmt: %c%c%c%c %dx%d %u,%u, %u,%u\n",
+ vpu_type_name(f->type),
+ f->fmt.pix_mp.pixelformat,
+ f->fmt.pix_mp.pixelformat >> 8,
+ f->fmt.pix_mp.pixelformat >> 16,
+ f->fmt.pix_mp.pixelformat >> 24,
+ f->fmt.pix_mp.width,
+ f->fmt.pix_mp.height,
+ pixmp->plane_fmt[0].sizeimage,
+ pixmp->plane_fmt[1].sizeimage,
+ pixmp->plane_fmt[0].bytesperline,
+ pixmp->plane_fmt[1].bytesperline);
+
+ return 0;
+}
+
+static int vdec_g_selection(struct file *file, void *fh,
+ struct v4l2_selection *s)
+{
+ struct vpu_inst *inst = to_inst(file);
+
+ if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ return -EINVAL;
+
+ switch (s->target) {
+ case V4L2_SEL_TGT_COMPOSE:
+ case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+ case V4L2_SEL_TGT_COMPOSE_PADDED:
+ s->r = inst->crop;
+ break;
+ case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+ s->r.left = 0;
+ s->r.top = 0;
+ s->r.width = inst->cap_format.width;
+ s->r.height = inst->cap_format.height;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vdec_drain(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ if (!vdec->drain)
+ return 0;
+
+ if (v4l2_m2m_num_src_bufs_ready(inst->m2m_ctx))
+ return 0;
+
+ if (!vdec->params.frame_count) {
+ vpu_notify_eos(inst);
+ return 0;
+ }
+
+ vpu_iface_add_scode(inst, SCODE_PADDING_EOS);
+ vdec->params.end_flag = 1;
+ vpu_iface_set_decode_params(inst, &vdec->params, 1);
+ vdec->drain = 0;
+ inst_dbg(inst, LVL_FLOW, "append eos\n");
+
+ return 0;
+}
+
+static int vdec_cmd_start(struct vpu_inst *inst)
+{
+ if (inst->state == VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
+ vdec_update_state(inst, VPU_CODEC_STATE_ACTIVE, 0);
+ vpu_process_capture_buffer(inst);
+ return 0;
+}
+
+static int vdec_cmd_stop(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ inst_dbg(inst, LVL_FLOW, "stop cmd\n");
+
+ if (inst->state == VPU_CODEC_STATE_DEINIT) {
+ vpu_notify_eos(inst);
+ } else {
+ vdec->drain = 1;
+ vdec_drain(inst);
+ }
+
+ return 0;
+}
+
+static int vdec_decoder_cmd(struct file *file,
+ void *fh,
+ struct v4l2_decoder_cmd *cmd)
+{
+ struct vpu_inst *inst = to_inst(file);
+ int ret;
+
+ ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd);
+ if (ret)
+ return ret;
+
+ vpu_inst_lock(inst);
+ switch (cmd->cmd) {
+ case V4L2_DEC_CMD_START:
+ vdec_cmd_start(inst);
+ break;
+ case V4L2_DEC_CMD_STOP:
+ vdec_cmd_stop(inst);
+ break;
+ default:
+ break;
+ }
+ vpu_inst_unlock(inst);
+
+ return 0;
+}
+
+static int vdec_subscribe_event(struct v4l2_fh *fh,
+ const struct v4l2_event_subscription *sub)
+{
+ struct vpu_inst *inst = container_of(fh, struct vpu_inst, fh);
+ struct vdec_t *vdec = inst->priv;
+
+ switch (sub->type) {
+ case V4L2_EVENT_EOS:
+ vdec->eos_subscribed = true;
+ return v4l2_event_subscribe(fh, sub, 0, NULL);
+ case V4L2_EVENT_SOURCE_CHANGE:
+ return v4l2_src_change_event_subscribe(fh, sub);
+ case V4L2_EVENT_CTRL:
+ return v4l2_ctrl_subscribe_event(fh, sub);
+ case V4L2_EVENT_SKIP:
+ case V4L2_EVENT_CODEC_ERROR:
+ return v4l2_event_subscribe(fh, sub, 0, NULL);
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vdec_unsubscribe_event(struct v4l2_fh *fh,
+ const struct v4l2_event_subscription *sub)
+{
+ struct vpu_inst *inst = container_of(fh, struct vpu_inst, fh);
+ struct vdec_t *vdec = inst->priv;
+ int ret;
+
+ ret = v4l2_event_unsubscribe(fh, sub);
+ if (ret)
+ return ret;
+
+ if (sub->type == V4L2_EVENT_EOS)
+ vdec->eos_subscribed = false;
+
+ return 0;
+}
+
+static const struct v4l2_ioctl_ops vdec_ioctl_ops = {
+ .vidioc_querycap = vdec_querycap,
+ .vidioc_enum_fmt_vid_cap = vdec_enum_fmt,
+ .vidioc_enum_fmt_vid_out = vdec_enum_fmt,
+ .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,
+ .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,
+ .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,
+ .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,
+ .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,
+ .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,
+ .vidioc_g_selection = vdec_g_selection,
+ .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd,
+ .vidioc_decoder_cmd = vdec_decoder_cmd,
+ .vidioc_subscribe_event = vdec_subscribe_event,
+ .vidioc_unsubscribe_event = vdec_unsubscribe_event,
+ .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+ .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
+ .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+ .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
+ .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
+ .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
+ .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
+ .vidioc_streamon = v4l2_m2m_ioctl_streamon,
+ .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
+};
+
+static bool vdec_check_ready(struct vpu_inst *inst, unsigned int type)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ if (V4L2_TYPE_IS_OUTPUT(type)) {
+ if (vdec->ts_pre_count >= vdec->frame_depth)
+ return false;
+ return true;
+ }
+
+ if (vdec->req_frame_count || vdec->eos_received)
+ return true;
+
+ return false;
+}
+
+static int vdec_frame_decoded(struct vpu_inst *inst, void *arg)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vpu_dec_pic_info *info = arg;
+ struct vpu_vb2_buffer *vpu_buf;
+ int ret = 0;
+
+ if (!info || info->id >= ARRAY_SIZE(vdec->slots))
+ return -EINVAL;
+
+ vpu_inst_lock(inst);
+ vpu_buf = vdec->slots[info->id];
+ if (!vpu_buf) {
+ inst_err(inst, "decoded invalid frame[%d]\n", info->id);
+ ret = -EINVAL;
+ goto exit;
+ }
+ if (vpu_buf->state == VPU_BUF_STATE_DECODED)
+ inst_dbg(inst, LVL_INFO, "buf[%d] has been decoded\n", info->id);
+ vpu_buf->state = VPU_BUF_STATE_DECODED;
+ vdec->decoded_frame_count++;
+ if (vdec->ts_pre_count >= info->consumed_count)
+ vdec->ts_pre_count -= info->consumed_count;
+ else
+ vdec->ts_pre_count = 0;
+exit:
+ vpu_inst_unlock(inst);
+
+ return ret;
+}
+
+static struct vpu_vb2_buffer *vdec_find_buffer(struct vpu_inst *inst, u32 luma)
+{
+ struct vdec_t *vdec = inst->priv;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(vdec->slots); i++) {
+ if (!vdec->slots[i])
+ continue;
+ if (luma == vdec->slots[i]->luma)
+ return vdec->slots[i];
+ }
+
+ return NULL;
+}
+
+static void vdec_buf_done(struct vpu_inst *inst, struct vpu_frame_info *frame)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vpu_vb2_buffer *vpu_buf;
+ struct vb2_v4l2_buffer *vbuf;
+
+ if (!frame)
+ return;
+
+ vpu_inst_lock(inst);
+ vpu_buf = vdec_find_buffer(inst, frame->luma);
+ vpu_inst_unlock(inst);
+ if (!vpu_buf) {
+ inst_err(inst, "can't find buffer, id = %d, addr = 0x%x\n",
+ frame->id, frame->luma);
+ return;
+ }
+ if (frame->skipped) {
+ inst_dbg(inst, LVL_DEBUG, "frame skip\n");
+ vpu_notify_skip(inst);
+ return;
+ }
+
+ vbuf = &vpu_buf->m2m_buf.vb;
+ if (vbuf->vb2_buf.index != frame->id)
+ inst_err(inst, "buffer id(%d, %d) dismatch\n",
+ vbuf->vb2_buf.index, frame->id);
+
+ if (vpu_buf->state != VPU_BUF_STATE_DECODED)
+ inst_err(inst, "buffer(%d) ready without decoded\n", frame->id);
+ vpu_buf->state = VPU_BUF_STATE_READY;
+ vb2_set_plane_payload(&vbuf->vb2_buf, 0, inst->cap_format.sizeimage[0]);
+ vb2_set_plane_payload(&vbuf->vb2_buf, 1, inst->cap_format.sizeimage[1]);
+ vbuf->vb2_buf.timestamp = frame->timestamp;
+ vbuf->field = inst->cap_format.field;
+ inst_dbg(inst, LVL_TS, "[OUTPUT TS]%32lld\n", frame->timestamp);
+
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
+ vpu_inst_lock(inst);
+ vdec->timestamp = frame->timestamp;
+ vdec->display_frame_count++;
+ vpu_inst_unlock(inst);
+ inst_dbg(inst, LVL_DEBUG, "decoded : %d, display : %d\n",
+ vdec->decoded_frame_count, vdec->display_frame_count);
+}
+
+static void vdec_stop_done(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ vpu_inst_lock(inst);
+ vdec_update_state(inst, VPU_CODEC_STATE_DEINIT, 0);
+ vdec->seq_hdr_found = 0;
+ vpu_inst_unlock(inst);
+}
+
+static bool vdec_check_source_change(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+ const struct vpu_format *fmt;
+ int i;
+
+ if (!vb2_is_streaming(v4l2_m2m_get_dst_vq(inst->m2m_ctx)))
+ return true;
+ fmt = vpu_helper_find_format(inst, inst->cap_format.type, vdec->codec_info.pixfmt);
+ if (inst->cap_format.pixfmt != vdec->codec_info.pixfmt)
+ return true;
+ if (inst->cap_format.width != vdec->codec_info.decoded_width)
+ return true;
+ if (inst->cap_format.height != vdec->codec_info.decoded_height)
+ return true;
+ if (vpu_get_num_buffers(inst, inst->cap_format.type) < inst->min_buffer_cap)
+ return true;
+ if (inst->crop.left != vdec->codec_info.offset_x)
+ return true;
+ if (inst->crop.top != vdec->codec_info.offset_y)
+ return true;
+ if (inst->crop.width != vdec->codec_info.width)
+ return true;
+ if (inst->crop.height != vdec->codec_info.height)
+ return true;
+ if (fmt && inst->cap_format.num_planes != fmt->num_planes)
+ return true;
+ for (i = 0; i < inst->cap_format.num_planes; i++) {
+ if (inst->cap_format.bytesperline[i] != vdec->codec_info.bytesperline[i])
+ return true;
+ if (inst->cap_format.sizeimage[i] != vdec->codec_info.sizeimage[i])
+ return true;
+ }
+
+ return false;
+}
+
+static void vdec_init_fmt(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+ const struct vpu_format *fmt;
+ int i;
+
+ fmt = vpu_helper_find_format(inst, inst->cap_format.type, vdec->codec_info.pixfmt);
+ inst->out_format.width = vdec->codec_info.width;
+ inst->out_format.height = vdec->codec_info.height;
+ inst->cap_format.width = vdec->codec_info.decoded_width;
+ inst->cap_format.height = vdec->codec_info.decoded_height;
+ inst->cap_format.pixfmt = vdec->codec_info.pixfmt;
+ if (fmt) {
+ inst->cap_format.num_planes = fmt->num_planes;
+ inst->cap_format.flags = fmt->flags;
+ }
+ for (i = 0; i < inst->cap_format.num_planes; i++) {
+ inst->cap_format.bytesperline[i] = vdec->codec_info.bytesperline[i];
+ inst->cap_format.sizeimage[i] = vdec->codec_info.sizeimage[i];
+ }
+ if (vdec->codec_info.progressive)
+ inst->cap_format.field = V4L2_FIELD_NONE;
+ else
+ inst->cap_format.field = V4L2_FIELD_INTERLACED;
+ if (vdec->codec_info.color_primaries == V4L2_COLORSPACE_DEFAULT)
+ vdec->codec_info.color_primaries = V4L2_COLORSPACE_REC709;
+ if (vdec->codec_info.transfer_chars == V4L2_XFER_FUNC_DEFAULT)
+ vdec->codec_info.transfer_chars = V4L2_XFER_FUNC_709;
+ if (vdec->codec_info.matrix_coeffs == V4L2_YCBCR_ENC_DEFAULT)
+ vdec->codec_info.matrix_coeffs = V4L2_YCBCR_ENC_709;
+ if (vdec->codec_info.full_range == V4L2_QUANTIZATION_DEFAULT)
+ vdec->codec_info.full_range = V4L2_QUANTIZATION_LIM_RANGE;
+}
+
+static void vdec_init_crop(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ inst->crop.left = vdec->codec_info.offset_x;
+ inst->crop.top = vdec->codec_info.offset_y;
+ inst->crop.width = vdec->codec_info.width;
+ inst->crop.height = vdec->codec_info.height;
+}
+
+static void vdec_init_mbi(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ vdec->mbi.size = vdec->codec_info.mbi_size;
+ vdec->mbi.max_count = ARRAY_SIZE(vdec->mbi.buffer);
+ scnprintf(vdec->mbi.name, sizeof(vdec->mbi.name), "mbi");
+ vdec->mbi.type = MEM_RES_MBI;
+ vdec->mbi.tag = vdec->seq_tag;
+}
+
+static void vdec_init_dcp(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ vdec->dcp.size = vdec->codec_info.dcp_size;
+ vdec->dcp.max_count = ARRAY_SIZE(vdec->dcp.buffer);
+ scnprintf(vdec->dcp.name, sizeof(vdec->dcp.name), "dcp");
+ vdec->dcp.type = MEM_RES_DCP;
+ vdec->dcp.tag = vdec->seq_tag;
+}
+
+static void vdec_request_one_fs(struct vdec_fs_info *fs)
+{
+ WARN_ON(!fs);
+
+ fs->req_count++;
+ if (fs->req_count > fs->max_count) {
+ vpu_err("error:request %s over %d\n", fs->name, fs->max_count);
+ fs->req_count = fs->max_count;
+ }
+}
+
+static int vdec_alloc_fs_buffer(struct vpu_inst *inst, struct vdec_fs_info *fs)
+{
+ struct vpu_buffer *buffer;
+
+ if (!inst || !fs || !fs->size)
+ return -EINVAL;
+
+ if (fs->count >= fs->req_count)
+ return -EINVAL;
+
+ buffer = &fs->buffer[fs->count];
+ if (buffer->virt && buffer->length >= fs->size)
+ return 0;
+
+ vpu_free_dma(buffer);
+ buffer->length = fs->size;
+ return vpu_alloc_dma(inst->core, buffer);
+}
+
+static void vdec_alloc_fs(struct vpu_inst *inst, struct vdec_fs_info *fs)
+{
+ int ret;
+
+ while (fs->count < fs->req_count) {
+ ret = vdec_alloc_fs_buffer(inst, fs);
+ if (ret)
+ break;
+ fs->count++;
+ }
+}
+
+static void vdec_clear_fs(struct vdec_fs_info *fs)
+{
+ u32 i;
+
+ if (!fs)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(fs->buffer); i++)
+ vpu_free_dma(&fs->buffer[i]);
+ memset(fs, 0, sizeof(*fs));
+}
+
+static int vdec_response_fs(struct vpu_inst *inst, struct vdec_fs_info *fs)
+{
+ struct vpu_fs_info info;
+ int ret;
+
+ if (fs->index >= fs->count)
+ return 0;
+
+ memset(&info, 0, sizeof(info));
+ info.id = fs->index;
+ info.type = fs->type;
+ info.tag = fs->tag;
+ info.luma_addr = fs->buffer[fs->index].phys;
+ info.luma_size = fs->buffer[fs->index].length;
+ ret = vpu_session_alloc_fs(inst, &info);
+ if (ret)
+ return ret;
+
+ fs->index++;
+ return 0;
+}
+
+static int vdec_response_frame_abnormal(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vpu_fs_info info;
+
+ if (!vdec->req_frame_count)
+ return 0;
+
+ memset(&info, 0, sizeof(info));
+ info.type = MEM_RES_FRAME;
+ info.tag = vdec->seq_tag + 0xf0;
+ vpu_session_alloc_fs(inst, &info);
+ vdec->req_frame_count--;
+
+ return 0;
+}
+
+static int vdec_response_frame(struct vpu_inst *inst, struct vb2_v4l2_buffer *vbuf)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vpu_vb2_buffer *vpu_buf;
+ struct vpu_fs_info info;
+ int ret;
+
+ if (inst->state != VPU_CODEC_STATE_ACTIVE)
+ return -EINVAL;
+
+ if (!vdec->req_frame_count)
+ return -EINVAL;
+
+ if (!vbuf)
+ return -EINVAL;
+
+ if (vdec->slots[vbuf->vb2_buf.index]) {
+ inst_err(inst, "repeat alloc fs %d\n", vbuf->vb2_buf.index);
+ return -EINVAL;
+ }
+
+ inst_dbg(inst, LVL_DEBUG, "inst->state = %d, alloc fs %d, tag = 0x%x\n",
+ inst->state, vbuf->vb2_buf.index, vdec->seq_tag);
+ vpu_buf = to_vpu_vb2_buffer(vbuf);
+
+ memset(&info, 0, sizeof(info));
+ info.id = vbuf->vb2_buf.index;
+ info.type = MEM_RES_FRAME;
+ info.tag = vdec->seq_tag;
+ info.luma_addr = vpu_get_vb_phy_addr(&vbuf->vb2_buf, 0);
+ info.luma_size = inst->cap_format.sizeimage[0];
+ info.chroma_addr = vpu_get_vb_phy_addr(&vbuf->vb2_buf, 1);
+ info.chromau_size = inst->cap_format.sizeimage[1];
+ info.bytesperline = inst->cap_format.bytesperline[0];
+ ret = vpu_session_alloc_fs(inst, &info);
+ if (ret)
+ return ret;
+
+ vpu_buf->tag = info.tag;
+ vpu_buf->luma = info.luma_addr;
+ vpu_buf->chroma_u = info.chromau_size;
+ vpu_buf->chroma_v = 0;
+ vpu_buf->state = VPU_BUF_STATE_INUSE;
+ vdec->slots[info.id] = vpu_buf;
+ vdec->req_frame_count--;
+
+ return 0;
+}
+
+static void vdec_response_fs_request(struct vpu_inst *inst, bool force)
+{
+ struct vdec_t *vdec = inst->priv;
+ int i;
+ int ret;
+
+ if (force) {
+ for (i = vdec->req_frame_count; i > 0; i--)
+ vdec_response_frame_abnormal(inst);
+ return;
+ }
+
+ for (i = vdec->req_frame_count; i > 0; i--) {
+ ret = vpu_process_capture_buffer(inst);
+ if (ret)
+ break;
+ if (vdec->eos_received)
+ break;
+ }
+
+ for (i = vdec->mbi.index; i < vdec->mbi.count; i++) {
+ if (vdec_response_fs(inst, &vdec->mbi))
+ break;
+ if (vdec->eos_received)
+ break;
+ }
+ for (i = vdec->dcp.index; i < vdec->dcp.count; i++) {
+ if (vdec_response_fs(inst, &vdec->dcp))
+ break;
+ if (vdec->eos_received)
+ break;
+ }
+}
+
+static void vdec_response_fs_release(struct vpu_inst *inst, u32 id, u32 tag)
+{
+ struct vpu_fs_info info;
+
+ memset(&info, 0, sizeof(info));
+ info.id = id;
+ info.tag = tag;
+ vpu_session_release_fs(inst, &info);
+}
+
+static void vdec_recycle_buffer(struct vpu_inst *inst, struct vb2_v4l2_buffer *vbuf)
+{
+ if (!inst || !vbuf)
+ return;
+
+ if (vbuf->vb2_buf.state != VB2_BUF_STATE_ACTIVE)
+ return;
+ if (vpu_find_buf_by_idx(inst, vbuf->vb2_buf.type, vbuf->vb2_buf.index))
+ return;
+ v4l2_m2m_buf_queue(inst->m2m_ctx, vbuf);
+}
+
+static void vdec_clear_slots(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vpu_vb2_buffer *vpu_buf;
+ struct vb2_v4l2_buffer *vbuf;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(vdec->slots); i++) {
+ if (!vdec->slots[i])
+ continue;
+
+ vpu_buf = vdec->slots[i];
+ vbuf = &vpu_buf->m2m_buf.vb;
+ if (vpu_buf->tag == vdec->seq_tag)
+ inst_dbg(inst, LVL_WARN, "clear slot[%d], %d, %d\n",
+ i,
+ vdec->slots[i]->state,
+ vbuf->vb2_buf.state);
+
+ vdec_response_fs_release(inst, i, vpu_buf->tag);
+ vdec_recycle_buffer(inst, vbuf);
+ vdec->slots[i]->state = VPU_BUF_STATE_IDLE;
+ vdec->slots[i] = NULL;
+ }
+}
+
+static void vdec_event_seq_hdr(struct vpu_inst *inst,
+ struct vpu_dec_codec_info *hdr)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ vpu_inst_lock(inst);
+ memcpy(&vdec->codec_info, hdr, sizeof(vdec->codec_info));
+
+ inst_dbg(inst, LVL_FLOW, "%d x %d, crop : (%d, %d) %d x %d\n",
+ vdec->codec_info.decoded_width,
+ vdec->codec_info.decoded_height,
+ vdec->codec_info.offset_x,
+ vdec->codec_info.offset_y,
+ vdec->codec_info.width,
+ vdec->codec_info.height);
+ inst->min_buffer_cap = hdr->num_ref_frms + hdr->num_dpb_frms;
+ vdec->is_source_changed = vdec_check_source_change(inst);
+ vdec_init_fmt(inst);
+ vdec_init_crop(inst);
+ vdec_init_mbi(inst);
+ vdec_init_dcp(inst);
+ if (!vdec->seq_hdr_found) {
+ vdec->seq_tag = vdec->codec_info.tag;
+ if (vdec->is_source_changed) {
+ vdec_update_state(inst, VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE, 0);
+ vpu_notify_source_change(inst);
+ vdec->is_source_changed = false;
+ }
+ }
+ if (vdec->seq_tag != vdec->codec_info.tag) {
+ vdec_response_fs_request(inst, true);
+ inst_dbg(inst, LVL_DEBUG, "seq tag change: %d -> %d\n",
+ vdec->seq_tag, vdec->codec_info.tag);
+ }
+ vdec->seq_hdr_found++;
+ vpu_inst_unlock(inst);
+}
+
+static void vdec_event_resolution_change(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ inst_dbg(inst, LVL_FLOW, "resolution change\n");
+ vpu_inst_lock(inst);
+ vdec->seq_tag = vdec->codec_info.tag;
+ vdec_clear_fs(&vdec->mbi);
+ vdec_clear_fs(&vdec->dcp);
+ vdec_clear_slots(inst);
+ vdec_init_mbi(inst);
+ vdec_init_dcp(inst);
+ if (vdec->is_source_changed) {
+ vdec_update_state(inst, VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE, 0);
+ vdec->source_change++;
+ vdec_handle_resolution_change(inst);
+ vdec->is_source_changed = false;
+ }
+ vpu_inst_unlock(inst);
+}
+
+static void vdec_event_req_fs(struct vpu_inst *inst, struct vpu_fs_info *fs)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ if (!fs)
+ return;
+
+ vpu_inst_lock(inst);
+
+ switch (fs->type) {
+ case MEM_RES_FRAME:
+ vdec->req_frame_count++;
+ break;
+ case MEM_RES_MBI:
+ vdec_request_one_fs(&vdec->mbi);
+ break;
+ case MEM_RES_DCP:
+ vdec_request_one_fs(&vdec->dcp);
+ break;
+ default:
+ break;
+ }
+
+ vdec_alloc_fs(inst, &vdec->mbi);
+ vdec_alloc_fs(inst, &vdec->dcp);
+
+ vdec_response_fs_request(inst, false);
+
+ vpu_inst_unlock(inst);
+}
+
+static void vdec_evnet_rel_fs(struct vpu_inst *inst, struct vpu_fs_info *fs)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vpu_vb2_buffer *vpu_buf;
+ struct vb2_v4l2_buffer *vbuf;
+
+ if (!fs || fs->id >= ARRAY_SIZE(vdec->slots))
+ return;
+ if (fs->type != MEM_RES_FRAME)
+ return;
+
+ if (fs->id >= vpu_get_num_buffers(inst, inst->cap_format.type)) {
+ inst_err(inst, "invalid fs(%d) to release\n", fs->id);
+ return;
+ }
+
+ vpu_inst_lock(inst);
+ vpu_buf = vdec->slots[fs->id];
+ vdec->slots[fs->id] = NULL;
+
+ if (!vpu_buf) {
+ inst_dbg(inst, LVL_DEBUG, "fs[%d] has bee released\n", fs->id);
+ goto exit;
+ }
+
+ if (vpu_buf->state == VPU_BUF_STATE_DECODED) {
+ inst_dbg(inst, LVL_DEBUG, "this frame is skipped\n");
+ vpu_notify_skip(inst);
+ }
+
+ vdec_response_fs_release(inst, fs->id, vpu_buf->tag);
+ vbuf = &vpu_buf->m2m_buf.vb;
+ if (vpu_buf->state != VPU_BUF_STATE_READY)
+ vdec_recycle_buffer(inst, vbuf);
+
+ vpu_buf->state = VPU_BUF_STATE_IDLE;
+ vpu_process_capture_buffer(inst);
+
+exit:
+ vpu_inst_unlock(inst);
+}
+
+static void vdec_event_eos(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ inst_dbg(inst, LVL_FLOW, "eos\n");
+ vpu_inst_lock(inst);
+ vdec->eos_received++;
+ vdec_update_state(inst, VPU_CODEC_STATE_DRAIN, 0);
+ vpu_process_capture_buffer(inst);
+ vdec_handle_eos(inst);
+ vpu_inst_unlock(inst);
+}
+
+static void vdec_event_notify(struct vpu_inst *inst, u32 event, void *data)
+{
+ switch (event) {
+ case VPU_MSG_ID_SEQ_HDR_FOUND:
+ vdec_event_seq_hdr(inst, data);
+ break;
+ case VPU_MSG_ID_RES_CHANGE:
+ vdec_event_resolution_change(inst);
+ break;
+ case VPU_MSG_ID_FRAME_REQ:
+ vdec_event_req_fs(inst, data);
+ break;
+ case VPU_MSG_ID_FRAME_RELEASE:
+ vdec_evnet_rel_fs(inst, data);
+ break;
+ case VPU_MSG_ID_PIC_EOS:
+ vdec_event_eos(inst);
+ break;
+ default:
+ break;
+ }
+}
+
+static int vdec_process_output(struct vpu_inst *inst, struct vb2_buffer *vb)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vb2_v4l2_buffer *vbuf;
+ struct vpu_vb2_buffer *vpu_buf;
+ struct vpu_rpc_buffer_desc desc;
+ s64 timestamp;
+ u32 free_space;
+ int ret;
+
+ vbuf = to_vb2_v4l2_buffer(vb);
+ vpu_buf = to_vpu_vb2_buffer(vbuf);
+ inst_dbg(inst, LVL_DEBUG, "dec output [%d] %d : %ld\n",
+ vbuf->sequence, vb->index, vb2_get_plane_payload(vb, 0));
+
+ if (inst->state == VPU_CODEC_STATE_DEINIT)
+ return -EINVAL;
+
+ if (inst->state == VPU_CODEC_STATE_STARTED)
+ vdec_update_state(inst, VPU_CODEC_STATE_ACTIVE, 0);
+
+ ret = vpu_iface_get_stream_buffer_desc(inst, &desc);
+ if (ret)
+ return ret;
+
+ free_space = vpu_helper_get_free_space(inst);
+ if (free_space < vb2_get_plane_payload(vb, 0) + 0x40000)
+ return -ENOMEM;
+
+ timestamp = vb->timestamp;
+ if (timestamp >= 0 && vdec->ts_start < 0)
+ vdec->ts_start = timestamp;
+ if (vdec->ts_input < timestamp)
+ vdec->ts_input = timestamp;
+
+ ret = vpu_iface_input_frame(inst, vb);
+ if (ret < 0)
+ return -ENOMEM;
+
+ inst_dbg(inst, LVL_TS, "[INPUT TS]%32lld\n", vb->timestamp);
+ vdec->ts_pre_count++;
+ vdec->params.frame_count++;
+
+ v4l2_m2m_src_buf_remove_by_buf(inst->m2m_ctx, vbuf);
+ vpu_buf->state = VPU_BUF_STATE_IDLE;
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
+
+ if (vdec->drain)
+ vdec_drain(inst);
+
+ return 0;
+}
+
+static int vdec_process_capture(struct vpu_inst *inst, struct vb2_buffer *vb)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vb2_v4l2_buffer *vbuf;
+ int ret;
+
+ if (inst->state == VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
+ return -EINVAL;
+
+ vbuf = to_vb2_v4l2_buffer(vb);
+
+ if (vdec->eos_received) {
+ if (vdec->eos_subscribed) {
+ vdec_handle_eos(inst);
+ } else {
+ vb2_set_plane_payload(vb, 0, 0);
+ vb2_set_plane_payload(vb, 1, 0);
+ vbuf->flags |= V4L2_BUF_FLAG_LAST;
+ v4l2_m2m_dst_buf_remove_by_buf(inst->m2m_ctx, vbuf);
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
+ vdec->eos_received--;
+ }
+ return 0;
+ }
+
+ ret = vdec_response_frame(inst, vbuf);
+ if (ret)
+ return ret;
+ v4l2_m2m_dst_buf_remove_by_buf(inst->m2m_ctx, vbuf);
+ return 0;
+}
+
+static void vdec_on_queue_emtpy(struct vpu_inst *inst, u32 type)
+{
+ if (V4L2_TYPE_IS_OUTPUT(type))
+ return;
+
+ vdec_handle_resolution_change(inst);
+ vdec_handle_eos(inst);
+}
+
+static void vdec_abort(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+ struct vpu_rpc_buffer_desc desc;
+ int ret;
+
+ inst_dbg(inst, LVL_FLOW, "abort, inst->state = %d\n", inst->state);
+ vpu_iface_add_scode(inst, SCODE_PADDING_ABORT);
+ vdec->params.end_flag = 1;
+ vpu_iface_set_decode_params(inst, &vdec->params, 1);
+
+ vpu_session_abort(inst);
+
+ ret = vpu_iface_get_stream_buffer_desc(inst, &desc);
+ if (!ret)
+ vpu_iface_update_stream_buffer(inst, desc.rptr, 1);
+
+ vpu_session_rst_buf(inst);
+ inst_dbg(inst, LVL_FLOW, "input : %d, decoded : %d, display : %d\n",
+ vdec->params.frame_count,
+ vdec->decoded_frame_count,
+ vdec->display_frame_count);
+ vdec->params.end_flag = 0;
+ vdec->drain = 0;
+ vdec->ts_pre_count = 0;
+ vdec->timestamp = VPU_INVALID_TIMESTAMP;
+ vdec->ts_start = VPU_INVALID_TIMESTAMP;
+ vdec->ts_input = VPU_INVALID_TIMESTAMP;
+ vdec->params.frame_count = 0;
+ vdec->decoded_frame_count = 0;
+ vdec->display_frame_count = 0;
+}
+
+static void vdec_release(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ inst_dbg(inst, LVL_FLOW, "release\n");
+ vpu_inst_lock(inst);
+ vdec_clear_slots(inst);
+ if (inst->state != VPU_CODEC_STATE_DEINIT)
+ vpu_session_stop(inst);
+ vdec_clear_fs(&vdec->mbi);
+ vdec_clear_fs(&vdec->dcp);
+ vpu_free_dma(&vdec->udata);
+ vpu_free_dma(&inst->stream_buffer);
+ vdec_update_state(inst, VPU_CODEC_STATE_DEINIT, 1);
+ vpu_inst_unlock(inst);
+}
+
+static void vdec_cleanup(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec;
+
+ if (!inst)
+ return;
+
+ vdec = inst->priv;
+ if (vdec)
+ vfree(vdec);
+ inst->priv = NULL;
+ vfree(inst);
+}
+
+static void vdec_init_params(struct vdec_t *vdec)
+{
+ vdec->params.frame_count = 0;
+ vdec->params.end_flag = 0;
+}
+
+static int vdec_start(struct vpu_inst *inst)
+{
+ struct vdec_t *vdec = inst->priv;
+ int stream_buffer_size;
+ int ret;
+
+ if (inst->state != VPU_CODEC_STATE_DEINIT)
+ return 0;
+
+ inst_dbg(inst, LVL_FLOW, "start\n");
+ vdec->udata.length = 0x1000;
+ ret = vpu_alloc_dma(inst->core, &vdec->udata);
+ if (ret) {
+ inst_err(inst, "alloc udata fail\n");
+ goto error;
+ }
+
+ vpu_iface_init_instance(inst);
+ stream_buffer_size = vpu_iface_get_stream_buffer_size(inst->core);
+ if (stream_buffer_size > 0) {
+ inst->stream_buffer.length = stream_buffer_size;
+ ret = vpu_alloc_dma(inst->core, &inst->stream_buffer);
+ if (ret) {
+ inst_err(inst, "alloc stream buffer fail\n");
+ goto error;
+ }
+ inst->use_stream_buffer = true;
+ vpu_iface_config_stream_buffer(inst, &inst->stream_buffer);
+ }
+
+ vdec->params.udata.base = vdec->udata.phys;
+ vdec->params.udata.size = vdec->udata.length;
+ ret = vpu_iface_set_decode_params(inst, &vdec->params, 0);
+ if (ret) {
+ inst_err(inst, "set decode params fail\n");
+ goto error;
+ }
+
+ vdec_init_params(vdec);
+ ret = vpu_session_start(inst);
+ if (ret) {
+ inst_err(inst, "start fail\n");
+ goto error;
+ }
+
+ vdec_update_state(inst, VPU_CODEC_STATE_STARTED, 0);
+
+ return 0;
+error:
+ vpu_free_dma(&vdec->udata);
+ vpu_free_dma(&inst->stream_buffer);
+ return ret;
+}
+
+static int vdec_start_session(struct vpu_inst *inst, u32 type)
+{
+ struct vdec_t *vdec = inst->priv;
+ int ret = 0;
+
+ if (inst->state == VPU_CODEC_STATE_DEINIT) {
+ if (V4L2_TYPE_IS_OUTPUT(type)) {
+ ret = vdec_start(inst);
+ if (ret)
+ return ret;
+ }
+ }
+
+ if (V4L2_TYPE_IS_OUTPUT(type)) {
+ if (inst->state == VPU_CODEC_STATE_SEEK)
+ vdec_update_state(inst, vdec->state, 1);
+ vdec->eos_received = 0;
+ vpu_process_output_buffer(inst);
+ } else {
+ vdec_cmd_start(inst);
+ }
+ if (inst->state == VPU_CODEC_STATE_ACTIVE)
+ vdec_response_fs_request(inst, false);
+
+ return ret;
+}
+
+static int vdec_stop_session(struct vpu_inst *inst, u32 type)
+{
+ struct vdec_t *vdec = inst->priv;
+
+ if (inst->state == VPU_CODEC_STATE_DEINIT)
+ return 0;
+
+ if (V4L2_TYPE_IS_OUTPUT(type)) {
+ vdec_update_state(inst, VPU_CODEC_STATE_SEEK, 0);
+ vdec->drain = 0;
+ } else {
+ if (inst->state != VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
+ vdec_abort(inst);
+
+ vdec->eos_received = 0;
+ vdec_clear_slots(inst);
+ }
+
+ return 0;
+}
+
+static int vdec_get_debug_info(struct vpu_inst *inst, char *str, u32 size, u32 i)
+{
+ struct vdec_t *vdec = inst->priv;
+ int num = -1;
+
+ switch (i) {
+ case 0:
+ num = scnprintf(str, size,
+ "req_frame_count = %d\ninterlaced = %d\n",
+ vdec->req_frame_count,
+ vdec->codec_info.progressive ? 0 : 1);
+ break;
+ case 1:
+ num = scnprintf(str, size,
+ "mbi: size = 0x%x request = %d, alloc = %d, response = %d\n",
+ vdec->mbi.size,
+ vdec->mbi.req_count,
+ vdec->mbi.count,
+ vdec->mbi.index);
+ break;
+ case 2:
+ num = scnprintf(str, size,
+ "dcp: size = 0x%x request = %d, alloc = %d, response = %d\n",
+ vdec->dcp.size,
+ vdec->dcp.req_count,
+ vdec->dcp.count,
+ vdec->dcp.index);
+ break;
+ case 3:
+ num = scnprintf(str, size, "input_frame_count = %d\n", vdec->params.frame_count);
+ break;
+ case 4:
+ num = scnprintf(str, size, "decoded_frame_count = %d\n", vdec->decoded_frame_count);
+ break;
+ case 5:
+ num = scnprintf(str, size, "display_frame_count = %d\n", vdec->display_frame_count);
+ break;
+ case 6:
+ num = scnprintf(str, size, "drain = %d, eos = %d, source_change = %d\n",
+ vdec->drain, vdec->eos_received, vdec->source_change);
+ break;
+ case 7:
+ num = scnprintf(str, size, "ts_pre_count = %d, frame_depth = %d\n",
+ vdec->ts_pre_count, vdec->frame_depth);
+ break;
+ case 8:
+ num = scnprintf(str, size, "b_dis_reorder = %d, b_non_frame = %d\n",
+ vdec->params.b_dis_reorder,
+ vdec->params.b_non_frame);
+ break;
+ case 9:
+ {
+ s64 timestamp = vdec->timestamp;
+ s64 ts_start = vdec->ts_start;
+ s64 ts_input = vdec->ts_input;
+
+ num = scnprintf(str, size, "timestamp = %9lld.%09lld(%9lld.%09lld, %9lld.%09lld)\n",
+ timestamp / NSEC_PER_SEC,
+ timestamp % NSEC_PER_SEC,
+ ts_start / NSEC_PER_SEC,
+ ts_start % NSEC_PER_SEC,
+ ts_input / NSEC_PER_SEC,
+ ts_input % NSEC_PER_SEC);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return num;
+}
+
+static struct vpu_inst_ops vdec_inst_ops = {
+ .ctrl_init = vdec_ctrl_init,
+ .check_ready = vdec_check_ready,
+ .buf_done = vdec_buf_done,
+ .get_one_frame = vdec_frame_decoded,
+ .stop_done = vdec_stop_done,
+ .event_notify = vdec_event_notify,
+ .release = vdec_release,
+ .cleanup = vdec_cleanup,
+ .start = vdec_start_session,
+ .stop = vdec_stop_session,
+ .process_output = vdec_process_output,
+ .process_capture = vdec_process_capture,
+ .on_queue_empty = vdec_on_queue_emtpy,
+ .get_debug_info = vdec_get_debug_info,
+ .wait_prepare = vpu_inst_unlock,
+ .wait_finish = vpu_inst_lock,
+};
+
+static void vdec_init(struct file *file)
+{
+ struct vpu_inst *inst = to_inst(file);
+ struct vdec_t *vdec;
+ struct v4l2_format f;
+
+ vdec = inst->priv;
+ vdec->frame_depth = VDEC_FRAME_DEPTH;
+ vdec->timestamp = VPU_INVALID_TIMESTAMP;
+ vdec->ts_start = VPU_INVALID_TIMESTAMP;
+ vdec->ts_input = VPU_INVALID_TIMESTAMP;
+
+ memset(&f, 0, sizeof(f));
+ f.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+ f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
+ f.fmt.pix_mp.width = 1280;
+ f.fmt.pix_mp.height = 720;
+ f.fmt.pix_mp.field = V4L2_FIELD_NONE;
+ vdec_s_fmt(file, &inst->fh, &f);
+
+ memset(&f, 0, sizeof(f));
+ f.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12_8L128;
+ f.fmt.pix_mp.width = 1280;
+ f.fmt.pix_mp.height = 720;
+ f.fmt.pix_mp.field = V4L2_FIELD_NONE;
+ vdec_s_fmt(file, &inst->fh, &f);
+}
+
+static int vdec_open(struct file *file)
+{
+ struct vpu_inst *inst;
+ struct vdec_t *vdec;
+ int ret;
+
+ inst = vzalloc(sizeof(*inst));
+ if (!inst)
+ return -ENOMEM;
+
+ vdec = vzalloc(sizeof(*vdec));
+ if (!vdec) {
+ vfree(inst);
+ return -ENOMEM;
+ }
+
+ inst->ops = &vdec_inst_ops;
+ inst->formats = vdec_formats;
+ inst->type = VPU_CORE_TYPE_DEC;
+ inst->priv = vdec;
+
+ ret = vpu_v4l2_open(file, inst);
+ if (ret) {
+ vdec_cleanup(inst);
+ return ret;
+ }
+
+ vdec_init(file);
+
+ return 0;
+}
+
+static __poll_t vdec_poll(struct file *file, poll_table *wait)
+{
+ struct vpu_inst *inst = to_inst(file);
+ struct vb2_queue *src_q, *dst_q;
+ __poll_t ret;
+
+ ret = v4l2_m2m_fop_poll(file, wait);
+ src_q = v4l2_m2m_get_src_vq(inst->m2m_ctx);
+ dst_q = v4l2_m2m_get_dst_vq(inst->m2m_ctx);
+ if (vb2_is_streaming(src_q) && !vb2_is_streaming(dst_q))
+ ret &= (~EPOLLERR);
+
+ return ret;
+}
+
+static const struct v4l2_file_operations vdec_fops = {
+ .owner = THIS_MODULE,
+ .open = vdec_open,
+ .release = vpu_v4l2_close,
+ .unlocked_ioctl = video_ioctl2,
+ .poll = vdec_poll,
+ .mmap = v4l2_m2m_fop_mmap,
+};
+
+int vdec_create_video_device(struct vpu_dev *vpu)
+{
+ struct video_device *vdec;
+ int ret;
+
+ if (!vpu)
+ return -EINVAL;
+
+ if (vpu->vdev_dec)
+ return 0;
+
+ vdec = video_device_alloc();
+ if (!vdec) {
+ vpu_err("alloc vpu decoder video device fail\n");
+ return -ENOMEM;
+ }
+ strscpy(vdec->name, "amphion-vpu-decoder", sizeof(vdec->name));
+ vdec->release = video_device_release;
+ vdec->fops = &vdec_fops;
+ vdec->ioctl_ops = &vdec_ioctl_ops;
+ vdec->vfl_dir = VFL_DIR_M2M;
+ vdec->v4l2_dev = &vpu->v4l2_dev;
+ vdec->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
+
+ ret = video_register_device(vdec, VFL_TYPE_VIDEO, -1);
+ if (ret) {
+ video_device_release(vdec);
+ return ret;
+ }
+ video_set_drvdata(vdec, vpu);
+ vpu->vdev_dec = vdec;
+
+ return 0;
+}