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OpenCloudOS-Kernel/drivers/media/platform/amphion/vdec.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright 2020-2021 NXP
*/
#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/vmalloc.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"
#define VDEC_MIN_BUFFER_CAP 8
#define VDEC_MIN_BUFFER_OUT 8
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;
bool reset_codec;
bool fixed_fmt;
u32 decoded_frame_count;
u32 display_frame_count;
u32 sequence;
u32 eos_received;
bool is_source_changed;
u32 source_change;
u32 drain;
bool aborting;
};
static const struct vpu_format vdec_formats[] = {
{
.pixfmt = V4L2_PIX_FMT_NV12M_8L128,
.mem_planes = 2,
.comp_planes = 2,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
.sibling = V4L2_PIX_FMT_NV12_8L128,
},
{
.pixfmt = V4L2_PIX_FMT_NV12_8L128,
.mem_planes = 1,
.comp_planes = 2,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
.sibling = V4L2_PIX_FMT_NV12M_8L128,
},
{
.pixfmt = V4L2_PIX_FMT_NV12M_10BE_8L128,
.mem_planes = 2,
.comp_planes = 2,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
.sibling = V4L2_PIX_FMT_NV12_10BE_8L128,
},
{
.pixfmt = V4L2_PIX_FMT_NV12_10BE_8L128,
.mem_planes = 1,
.comp_planes = 2,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
.sibling = V4L2_PIX_FMT_NV12M_10BE_8L128
},
{
.pixfmt = V4L2_PIX_FMT_H264,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
},
{
.pixfmt = V4L2_PIX_FMT_H264_MVC,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
},
{
.pixfmt = V4L2_PIX_FMT_HEVC,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
},
{
.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
},
{
.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_COMPRESSED
},
{
.pixfmt = V4L2_PIX_FMT_MPEG2,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
},
{
.pixfmt = V4L2_PIX_FMT_MPEG4,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
},
{
.pixfmt = V4L2_PIX_FMT_XVID,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
},
{
.pixfmt = V4L2_PIX_FMT_VP8,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
},
{
.pixfmt = V4L2_PIX_FMT_H263,
.mem_planes = 1,
.comp_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
},
{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;
if (inst->ctrl_handler.error) {
ret = inst->ctrl_handler.error;
v4l2_ctrl_handler_free(&inst->ctrl_handler);
return ret;
}
ret = v4l2_ctrl_handler_setup(&inst->ctrl_handler);
if (ret) {
dev_err(inst->dev, "[%d] setup ctrls fail, ret = %d\n", inst->id, ret);
v4l2_ctrl_handler_free(&inst->ctrl_handler);
return ret;
}
return 0;
}
static void vdec_handle_resolution_change(struct vpu_inst *inst)
{
struct vdec_t *vdec = inst->priv;
struct vb2_queue *q;
if (!inst->fh.m2m_ctx)
return;
if (inst->state != VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
return;
if (!vdec->source_change)
return;
q = v4l2_m2m_get_dst_vq(inst->fh.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;
if (inst->state != pre_state)
vpu_trace(inst->dev, "[%d] %d -> %d\n", inst->id, pre_state, inst->state);
if (inst->state == VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
vdec_handle_resolution_change(inst);
return 0;
}
static void vdec_set_last_buffer_dequeued(struct vpu_inst *inst)
{
struct vdec_t *vdec = inst->priv;
if (inst->state == VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
return;
if (vdec->eos_received) {
if (!vpu_set_last_buffer_dequeued(inst)) {
vdec->eos_received--;
vdec_update_state(inst, VPU_CODEC_STATE_DRAIN, 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_CAPTURE(f->type) && vdec->fixed_fmt) {
fmt = vpu_get_format(inst, f->type);
if (f->index == 1)
fmt = vpu_helper_find_sibling(inst, f->type, fmt->pixfmt);
if (f->index > 1)
fmt = NULL;
} else {
fmt = vpu_helper_enum_format(inst, f->type, f->index);
}
if (!fmt)
goto exit;
memset(f->reserved, 0, sizeof(f->reserved));
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;
vpu_inst_lock(inst);
cur_fmt = vpu_get_format(inst, f->type);
pixmp->pixelformat = cur_fmt->pixfmt;
pixmp->num_planes = cur_fmt->mem_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 = vpu_get_fmt_plane_size(cur_fmt, 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;
vpu_inst_unlock(inst);
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;
struct vpu_format fmt;
vpu_inst_lock(inst);
if (V4L2_TYPE_IS_CAPTURE(f->type) && vdec->fixed_fmt) {
struct vpu_format *cap_fmt = vpu_get_format(inst, f->type);
if (!vpu_helper_match_format(inst, cap_fmt->type, cap_fmt->pixfmt,
f->fmt.pix_mp.pixelformat))
f->fmt.pix_mp.pixelformat = cap_fmt->pixfmt;
}
vpu_try_fmt_common(inst, f, &fmt);
if (vdec->fixed_fmt) {
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_common(struct vpu_inst *inst, struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
struct vpu_format fmt;
struct vpu_format *cur_fmt;
struct vb2_queue *q;
struct vdec_t *vdec = inst->priv;
int i;
if (!inst->fh.m2m_ctx)
return -EINVAL;
q = v4l2_m2m_get_vq(inst->fh.m2m_ctx, f->type);
if (!q)
return -EINVAL;
if (vb2_is_busy(q))
return -EBUSY;
if (vpu_try_fmt_common(inst, f, &fmt))
return -EINVAL;
cur_fmt = vpu_get_format(inst, f->type);
if (V4L2_TYPE_IS_OUTPUT(f->type) && inst->state != VPU_CODEC_STATE_DEINIT) {
if (cur_fmt->pixfmt != fmt.pixfmt) {
vdec->reset_codec = true;
vdec->fixed_fmt = false;
}
}
if (V4L2_TYPE_IS_OUTPUT(f->type) || !vdec->fixed_fmt) {
memcpy(cur_fmt, &fmt, sizeof(*cur_fmt));
} else {
if (vpu_helper_match_format(inst, f->type, cur_fmt->pixfmt, pixmp->pixelformat)) {
cur_fmt->pixfmt = fmt.pixfmt;
cur_fmt->mem_planes = fmt.mem_planes;
}
pixmp->pixelformat = cur_fmt->pixfmt;
pixmp->num_planes = cur_fmt->mem_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 = vpu_get_fmt_plane_size(cur_fmt, i);
}
pixmp->field = cur_fmt->field;
}
if (!vdec->fixed_fmt) {
if (V4L2_TYPE_IS_OUTPUT(f->type)) {
vdec->params.codec_format = cur_fmt->pixfmt;
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;
} else {
vdec->params.output_format = cur_fmt->pixfmt;
inst->crop.left = 0;
inst->crop.top = 0;
inst->crop.width = cur_fmt->width;
inst->crop.height = cur_fmt->height;
}
}
vpu_trace(inst->dev, "[%d] %c%c%c%c %dx%d\n", inst->id,
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);
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;
struct vdec_t *vdec = inst->priv;
int ret = 0;
vpu_inst_lock(inst);
ret = vdec_s_fmt_common(inst, f);
if (ret)
goto exit;
if (V4L2_TYPE_IS_OUTPUT(f->type) && !vdec->fixed_fmt) {
struct v4l2_format fc;
memset(&fc, 0, sizeof(fc));
fc.type = inst->cap_format.type;
fc.fmt.pix_mp.pixelformat = inst->cap_format.pixfmt;
fc.fmt.pix_mp.width = pixmp->width;
fc.fmt.pix_mp.height = pixmp->height;
vdec_s_fmt_common(inst, &fc);
}
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;
exit:
vpu_inst_unlock(inst);
return ret;
}
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 (!inst->fh.m2m_ctx)
return 0;
if (!vdec->drain)
return 0;
if (!vpu_is_source_empty(inst))
return 0;
if (!vdec->params.frame_count) {
vpu_set_last_buffer_dequeued(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;
vpu_trace(inst->dev, "[%d] frame_count = %d\n", inst->id, vdec->params.frame_count);
return 0;
}
static int vdec_cmd_start(struct vpu_inst *inst)
{
struct vdec_t *vdec = inst->priv;
switch (inst->state) {
case VPU_CODEC_STATE_STARTED:
case VPU_CODEC_STATE_DRAIN:
case VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE:
vdec_update_state(inst, VPU_CODEC_STATE_ACTIVE, 0);
break;
default:
break;
}
vpu_process_capture_buffer(inst);
if (vdec->eos_received)
vdec_set_last_buffer_dequeued(inst);
return 0;
}
static int vdec_cmd_stop(struct vpu_inst *inst)
{
struct vdec_t *vdec = inst->priv;
vpu_trace(inst->dev, "[%d]\n", inst->id);
if (inst->state == VPU_CODEC_STATE_DEINIT) {
vpu_set_last_buffer_dequeued(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)
{
switch (sub->type) {
case V4L2_EVENT_EOS:
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);
default:
return -EINVAL;
}
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 = v4l2_event_unsubscribe,
.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))
return true;
if (vdec->req_frame_count)
return true;
return false;
}
static struct vb2_v4l2_buffer *vdec_get_src_buffer(struct vpu_inst *inst, u32 count)
{
if (count > 1)
vpu_skip_frame(inst, count - 1);
return vpu_next_src_buf(inst);
}
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;
struct vb2_v4l2_buffer *vbuf;
struct vb2_v4l2_buffer *src_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) {
dev_err(inst->dev, "[%d] decoded invalid frame[%d]\n", inst->id, info->id);
ret = -EINVAL;
goto exit;
}
vbuf = &vpu_buf->m2m_buf.vb;
src_buf = vdec_get_src_buffer(inst, info->consumed_count);
if (src_buf) {
v4l2_m2m_buf_copy_metadata(src_buf, vbuf, true);
if (info->consumed_count) {
v4l2_m2m_src_buf_remove(inst->fh.m2m_ctx);
vpu_set_buffer_state(src_buf, VPU_BUF_STATE_IDLE);
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
} else {
vpu_set_buffer_state(src_buf, VPU_BUF_STATE_DECODED);
}
}
if (vpu_get_buffer_state(vbuf) == VPU_BUF_STATE_DECODED)
dev_info(inst->dev, "[%d] buf[%d] has been decoded\n", inst->id, info->id);
vpu_set_buffer_state(vbuf, VPU_BUF_STATE_DECODED);
vdec->decoded_frame_count++;
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_format *cur_fmt;
struct vpu_vb2_buffer *vpu_buf;
struct vb2_v4l2_buffer *vbuf;
u32 sequence;
int i;
if (!frame)
return;
vpu_inst_lock(inst);
sequence = vdec->sequence++;
vpu_buf = vdec_find_buffer(inst, frame->luma);
vpu_inst_unlock(inst);
if (!vpu_buf) {
dev_err(inst->dev, "[%d] can't find buffer, id = %d, addr = 0x%x\n",
inst->id, frame->id, frame->luma);
return;
}
if (frame->skipped) {
dev_dbg(inst->dev, "[%d] frame skip\n", inst->id);
return;
}
cur_fmt = vpu_get_format(inst, inst->cap_format.type);
vbuf = &vpu_buf->m2m_buf.vb;
if (vbuf->vb2_buf.index != frame->id)
dev_err(inst->dev, "[%d] buffer id(%d, %d) dismatch\n",
inst->id, vbuf->vb2_buf.index, frame->id);
if (vpu_get_buffer_state(vbuf) != VPU_BUF_STATE_DECODED)
dev_err(inst->dev, "[%d] buffer(%d) ready without decoded\n", inst->id, frame->id);
vpu_set_buffer_state(vbuf, VPU_BUF_STATE_READY);
for (i = 0; i < vbuf->vb2_buf.num_planes; i++)
vb2_set_plane_payload(&vbuf->vb2_buf, i, vpu_get_fmt_plane_size(cur_fmt, i));
vbuf->field = cur_fmt->field;
vbuf->sequence = sequence;
dev_dbg(inst->dev, "[%d][OUTPUT TS]%32lld\n", inst->id, vbuf->vb2_buf.timestamp);
v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
vpu_inst_lock(inst);
vdec->display_frame_count++;
vpu_inst_unlock(inst);
dev_dbg(inst->dev, "[%d] decoded : %d, display : %d, sequence : %d\n",
inst->id, vdec->decoded_frame_count, vdec->display_frame_count, vdec->sequence);
}
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;
vdec->req_frame_count = 0;
vdec->reset_codec = false;
vdec->fixed_fmt = false;
vdec->params.end_flag = 0;
vdec->drain = 0;
vdec->params.frame_count = 0;
vdec->decoded_frame_count = 0;
vdec->display_frame_count = 0;
vdec->sequence = 0;
vdec->eos_received = 0;
vdec->is_source_changed = false;
vdec->source_change = 0;
inst->total_input_count = 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 *sibling;
if (!inst->fh.m2m_ctx)
return false;
if (vdec->reset_codec)
return false;
sibling = vpu_helper_find_sibling(inst, inst->cap_format.type, inst->cap_format.pixfmt);
if (sibling && vdec->codec_info.pixfmt == sibling->pixfmt)
vdec->codec_info.pixfmt = inst->cap_format.pixfmt;
if (!vb2_is_streaming(v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx)))
return true;
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;
return false;
}
static void vdec_init_fmt(struct vpu_inst *inst)
{
struct vdec_t *vdec = inst->priv;
struct v4l2_format f;
memset(&f, 0, sizeof(f));
f.type = inst->cap_format.type;
f.fmt.pix_mp.pixelformat = vdec->codec_info.pixfmt;
f.fmt.pix_mp.width = vdec->codec_info.decoded_width;
f.fmt.pix_mp.height = vdec->codec_info.decoded_height;
if (vdec->codec_info.progressive)
f.fmt.pix_mp.field = V4L2_FIELD_NONE;
else
f.fmt.pix_mp.field = V4L2_FIELD_SEQ_TB;
vpu_try_fmt_common(inst, &f, &inst->cap_format);
inst->out_format.width = vdec->codec_info.width;
inst->out_format.height = vdec->codec_info.height;
}
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)
{
fs->req_count++;
if (fs->req_count > 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 (!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->aborting)
return -EINVAL;
if (!vdec->req_frame_count)
return -EINVAL;
if (!vbuf)
return -EINVAL;
if (vdec->slots[vbuf->vb2_buf.index]) {
dev_err(inst->dev, "[%d] repeat alloc fs %d\n",
inst->id, vbuf->vb2_buf.index);
return -EINVAL;
}
dev_dbg(inst->dev, "[%d] state = %d, alloc fs %d, tag = 0x%x\n",
inst->id, 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];
if (vbuf->vb2_buf.num_planes > 1)
info.chroma_addr = vpu_get_vb_phy_addr(&vbuf->vb2_buf, 1);
else
info.chroma_addr = info.luma_addr + info.luma_size;
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.chroma_addr;
vpu_buf->chroma_v = 0;
vpu_set_buffer_state(vbuf, 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->fh.m2m_ctx)
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->fh.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;
vpu_trace(inst->dev, "clear slot %d\n", i);
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));
vpu_trace(inst->dev, "[%d] %d x %d, crop : (%d, %d) %d x %d, %d, %d\n",
inst->id,
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,
hdr->num_ref_frms,
hdr->num_dpb_frms);
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);
vdec->source_change++;
vdec_handle_resolution_change(inst);
vdec->is_source_changed = false;
}
}
if (vdec->seq_tag != vdec->codec_info.tag) {
vdec_response_fs_request(inst, true);
vpu_trace(inst->dev, "[%d] seq tag change: %d -> %d\n",
inst->id, vdec->seq_tag, vdec->codec_info.tag);
}
vdec->seq_hdr_found++;
vdec->fixed_fmt = true;
vpu_inst_unlock(inst);
}
static void vdec_event_resolution_change(struct vpu_inst *inst)
{
struct vdec_t *vdec = inst->priv;
vpu_trace(inst->dev, "[%d]\n", inst->id);
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)) {
dev_err(inst->dev, "[%d] invalid fs(%d) to release\n", inst->id, fs->id);
return;
}
vpu_inst_lock(inst);
vpu_buf = vdec->slots[fs->id];
vdec->slots[fs->id] = NULL;
if (!vpu_buf) {
dev_dbg(inst->dev, "[%d] fs[%d] has bee released\n", inst->id, fs->id);
goto exit;
}
vbuf = &vpu_buf->m2m_buf.vb;
if (vpu_get_buffer_state(vbuf) == VPU_BUF_STATE_DECODED) {
dev_dbg(inst->dev, "[%d] frame skip\n", inst->id);
vdec->sequence++;
}
vdec_response_fs_release(inst, fs->id, vpu_buf->tag);
if (vpu_get_buffer_state(vbuf) != VPU_BUF_STATE_READY)
vdec_recycle_buffer(inst, vbuf);
vpu_set_buffer_state(vbuf, 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;
vpu_trace(inst->dev, "[%d] input : %d, decoded : %d, display : %d, sequence : %d\n",
inst->id,
vdec->params.frame_count,
vdec->decoded_frame_count,
vdec->display_frame_count,
vdec->sequence);
vpu_inst_lock(inst);
vdec->eos_received++;
vdec->fixed_fmt = false;
inst->min_buffer_cap = VDEC_MIN_BUFFER_CAP;
vdec_set_last_buffer_dequeued(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_rpc_buffer_desc desc;
u32 free_space;
int ret;
vbuf = to_vb2_v4l2_buffer(vb);
dev_dbg(inst->dev, "[%d] dec output [%d] %d : %ld\n",
inst->id, vbuf->sequence, vb->index, vb2_get_plane_payload(vb, 0));
if (inst->state == VPU_CODEC_STATE_DEINIT)
return -EINVAL;
if (vdec->reset_codec)
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;
vpu_set_buffer_state(vbuf, VPU_BUF_STATE_INUSE);
ret = vpu_iface_input_frame(inst, vb);
if (ret < 0)
return -ENOMEM;
dev_dbg(inst->dev, "[%d][INPUT TS]%32lld\n", inst->id, vb->timestamp);
vdec->params.frame_count++;
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 = to_vb2_v4l2_buffer(vb);
int ret;
if (inst->state == VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE)
return -EINVAL;
if (vdec->reset_codec)
return -EINVAL;
ret = vdec_response_frame(inst, vbuf);
if (ret)
return ret;
v4l2_m2m_dst_buf_remove_by_buf(inst->fh.m2m_ctx, vbuf);
return 0;
}
static void vdec_on_queue_empty(struct vpu_inst *inst, u32 type)
{
struct vdec_t *vdec = inst->priv;
if (V4L2_TYPE_IS_OUTPUT(type))
return;
vdec_handle_resolution_change(inst);
if (vdec->eos_received)
vdec_set_last_buffer_dequeued(inst);
}
static void vdec_abort(struct vpu_inst *inst)
{
struct vdec_t *vdec = inst->priv;
struct vpu_rpc_buffer_desc desc;
int ret;
vpu_trace(inst->dev, "[%d] state = %d\n", inst->id, inst->state);
vdec->aborting = true;
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);
vpu_trace(inst->dev, "[%d] input : %d, decoded : %d, display : %d, sequence : %d\n",
inst->id,
vdec->params.frame_count,
vdec->decoded_frame_count,
vdec->display_frame_count,
vdec->sequence);
if (!vdec->seq_hdr_found)
vdec->reset_codec = true;
vdec->params.end_flag = 0;
vdec->drain = 0;
vdec->params.frame_count = 0;
vdec->decoded_frame_count = 0;
vdec->display_frame_count = 0;
vdec->sequence = 0;
vdec->aborting = false;
inst->extra_size = 0;
}
static void vdec_stop(struct vpu_inst *inst, bool free)
{
struct vdec_t *vdec = inst->priv;
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);
if (free) {
vpu_free_dma(&vdec->udata);
vpu_free_dma(&inst->stream_buffer);
}
vdec_update_state(inst, VPU_CODEC_STATE_DEINIT, 1);
vdec->reset_codec = false;
}
static void vdec_release(struct vpu_inst *inst)
{
if (inst->id != VPU_INST_NULL_ID)
vpu_trace(inst->dev, "[%d]\n", inst->id);
vpu_inst_lock(inst);
vdec_stop(inst, true);
vpu_inst_unlock(inst);
}
static void vdec_cleanup(struct vpu_inst *inst)
{
struct vdec_t *vdec;
if (!inst)
return;
vdec = inst->priv;
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;
vpu_trace(inst->dev, "[%d]\n", inst->id);
if (!vdec->udata.virt) {
vdec->udata.length = 0x1000;
ret = vpu_alloc_dma(inst->core, &vdec->udata);
if (ret) {
dev_err(inst->dev, "[%d] alloc udata fail\n", inst->id);
goto error;
}
}
if (!inst->stream_buffer.virt) {
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) {
dev_err(inst->dev, "[%d] alloc stream buffer fail\n", inst->id);
goto error;
}
inst->use_stream_buffer = true;
}
}
if (inst->use_stream_buffer)
vpu_iface_config_stream_buffer(inst, &inst->stream_buffer);
vpu_iface_init_instance(inst);
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) {
dev_err(inst->dev, "[%d] set decode params fail\n", inst->id);
goto error;
}
vdec_init_params(vdec);
ret = vpu_session_start(inst);
if (ret) {
dev_err(inst->dev, "[%d] start fail\n", inst->id);
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 (V4L2_TYPE_IS_OUTPUT(type)) {
if (vdec->reset_codec)
vdec_stop(inst, false);
if (inst->state == VPU_CODEC_STATE_DEINIT) {
ret = vdec_start(inst);
if (ret)
return ret;
}
}
if (V4L2_TYPE_IS_OUTPUT(type)) {
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, "sequence = %d\n", vdec->sequence);
break;
case 7:
num = scnprintf(str, size, "drain = %d, eos = %d, source_change = %d\n",
vdec->drain, vdec->eos_received, vdec->source_change);
break;
case 8:
num = scnprintf(str, size, "fps = %d/%d\n",
vdec->codec_info.frame_rate.numerator,
vdec->codec_info.frame_rate.denominator);
break;
case 9:
num = scnprintf(str, size, "colorspace: %d, %d, %d, %d (%d)\n",
vdec->codec_info.color_primaries,
vdec->codec_info.transfer_chars,
vdec->codec_info.matrix_coeffs,
vdec->codec_info.full_range,
vdec->codec_info.vui_present);
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_empty,
.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 v4l2_format f;
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_NV12M_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)
return ret;
vdec->fixed_fmt = false;
vdec->state = VPU_CODEC_STATE_ACTIVE;
inst->min_buffer_cap = VDEC_MIN_BUFFER_CAP;
inst->min_buffer_out = VDEC_MIN_BUFFER_OUT;
vdec_init(file);
return 0;
}
static const struct v4l2_file_operations vdec_fops = {
.owner = THIS_MODULE,
.open = vdec_open,
.release = vpu_v4l2_close,
.unlocked_ioctl = video_ioctl2,
.poll = v4l2_m2m_fop_poll,
.mmap = v4l2_m2m_fop_mmap,
};
const struct v4l2_ioctl_ops *vdec_get_ioctl_ops(void)
{
return &vdec_ioctl_ops;
}
const struct v4l2_file_operations *vdec_get_fops(void)
{
return &vdec_fops;
}
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