// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2016 MediaTek Inc.
* Author: PC Chen <[email protected]>
* Tiffany Lin <[email protected]>
*/
#include <media/v4l2-event.h>
#include <media/v4l2-mem2mem.h>
#include <media/videobuf2-dma-contig.h>
#include <linux/pm_runtime.h>
#include "mtk_vcodec_enc.h"
#include "venc_drv_if.h"
#define MTK_VENC_MIN_W 160U
#define MTK_VENC_MIN_H 128U
#define MTK_VENC_HD_MAX_W 1920U
#define MTK_VENC_HD_MAX_H 1088U
#define MTK_VENC_4K_MAX_W 3840U
#define MTK_VENC_4K_MAX_H 2176U
#define DFT_CFG_WIDTH MTK_VENC_MIN_W
#define DFT_CFG_HEIGHT MTK_VENC_MIN_H
#define MTK_MAX_CTRLS_HINT 20
#define MTK_DEFAULT_FRAMERATE_NUM 1001
#define MTK_DEFAULT_FRAMERATE_DENOM 30000
#define MTK_VENC_4K_CAPABILITY_ENABLE BIT(0)
static void mtk_venc_worker(struct work_struct *work);
static const struct v4l2_frmsize_stepwise mtk_venc_hd_framesizes = {
MTK_VENC_MIN_W, MTK_VENC_HD_MAX_W, 16,
MTK_VENC_MIN_H, MTK_VENC_HD_MAX_H, 16,
};
static const struct v4l2_frmsize_stepwise mtk_venc_4k_framesizes = {
MTK_VENC_MIN_W, MTK_VENC_4K_MAX_W, 16,
MTK_VENC_MIN_H, MTK_VENC_4K_MAX_H, 16,
};
static int vidioc_venc_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct mtk_vcodec_enc_ctx *ctx = ctrl_to_enc_ctx(ctrl);
struct mtk_enc_params *p = &ctx->enc_params;
int ret = 0;
switch (ctrl->id) {
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_BITRATE_MODE val= %d", ctrl->val);
if (ctrl->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) {
mtk_v4l2_venc_err(ctx, "Unsupported bitrate mode =%d", ctrl->val);
ret = -EINVAL;
}
break;
case V4L2_CID_MPEG_VIDEO_BITRATE:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_BITRATE val = %d", ctrl->val);
p->bitrate = ctrl->val;
ctx->param_change |= MTK_ENCODE_PARAM_BITRATE;
break;
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_B_FRAMES val = %d", ctrl->val);
p->num_b_frame = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE val = %d",
ctrl->val);
p->rc_frame = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_H264_MAX_QP val = %d", ctrl->val);
p->h264_max_qp = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_HEADER_MODE val = %d", ctrl->val);
p->seq_hdr_mode = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE val = %d", ctrl->val);
p->rc_mb = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_H264_PROFILE val = %d", ctrl->val);
p->h264_profile = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_H264_LEVEL val = %d", ctrl->val);
p->h264_level = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_H264_I_PERIOD val = %d", ctrl->val);
p->intra_period = ctrl->val;
ctx->param_change |= MTK_ENCODE_PARAM_INTRA_PERIOD;
break;
case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_GOP_SIZE val = %d", ctrl->val);
p->gop_size = ctrl->val;
ctx->param_change |= MTK_ENCODE_PARAM_GOP_SIZE;
break;
case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
/*
* FIXME - what vp8 profiles are actually supported?
* The ctrl is added (with only profile 0 supported) for now.
*/
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_VP8_PROFILE val = %d", ctrl->val);
break;
case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
mtk_v4l2_venc_dbg(2, ctx, "V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME");
p->force_intra = 1;
ctx->param_change |= MTK_ENCODE_PARAM_FORCE_INTRA;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static const struct v4l2_ctrl_ops mtk_vcodec_enc_ctrl_ops = {
.s_ctrl = vidioc_venc_s_ctrl,
};
static int vidioc_enum_fmt(struct v4l2_fmtdesc *f,
const struct mtk_video_fmt *formats,
size_t num_formats)
{
if (f->index >= num_formats)
return -EINVAL;
f->pixelformat = formats[f->index].fourcc;
return 0;
}
static const struct mtk_video_fmt *
mtk_venc_find_format(u32 fourcc, const struct mtk_vcodec_enc_pdata *pdata)
{
const struct mtk_video_fmt *fmt;
unsigned int k;
for (k = 0; k < pdata->num_capture_formats; k++) {
fmt = &pdata->capture_formats[k];
if (fmt->fourcc == fourcc)
return fmt;
}
for (k = 0; k < pdata->num_output_formats; k++) {
fmt = &pdata->output_formats[k];
if (fmt->fourcc == fourcc)
return fmt;
}
return NULL;
}
static int vidioc_enum_framesizes(struct file *file, void *fh,
struct v4l2_frmsizeenum *fsize)
{
const struct mtk_video_fmt *fmt;
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(fh);
if (fsize->index != 0)
return -EINVAL;
fmt = mtk_venc_find_format(fsize->pixel_format,
ctx->dev->venc_pdata);
if (!fmt)
return -EINVAL;
fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE)
fsize->stepwise = mtk_venc_4k_framesizes;
else
fsize->stepwise = mtk_venc_hd_framesizes;
return 0;
}
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
const struct mtk_vcodec_enc_pdata *pdata =
fh_to_enc_ctx(priv)->dev->venc_pdata;
return vidioc_enum_fmt(f, pdata->capture_formats,
pdata->num_capture_formats);
}
static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
const struct mtk_vcodec_enc_pdata *pdata =
fh_to_enc_ctx(priv)->dev->venc_pdata;
return vidioc_enum_fmt(f, pdata->output_formats,
pdata->num_output_formats);
}
static int mtk_vcodec_enc_get_chip_name(void *priv)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
struct device *dev = &ctx->dev->plat_dev->dev;
if (of_device_is_compatible(dev->of_node, "mediatek,mt8173-vcodec-enc"))
return 8173;
else if (of_device_is_compatible(dev->of_node, "mediatek,mt8183-vcodec-enc"))
return 8183;
else if (of_device_is_compatible(dev->of_node, "mediatek,mt8192-vcodec-enc"))
return 8192;
else if (of_device_is_compatible(dev->of_node, "mediatek,mt8195-vcodec-enc"))
return 8195;
else if (of_device_is_compatible(dev->of_node, "mediatek,mt8188-vcodec-enc"))
return 8188;
else
return 8173;
}
static int vidioc_venc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
struct device *dev = &ctx->dev->plat_dev->dev;
int platform_name = mtk_vcodec_enc_get_chip_name(priv);
strscpy(cap->driver, dev->driver->name, sizeof(cap->driver));
snprintf(cap->card, sizeof(cap->card), "MT%d video encoder", platform_name);
return 0;
}
static int vidioc_venc_s_parm(struct file *file, void *priv,
struct v4l2_streamparm *a)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
struct v4l2_fract *timeperframe = &a->parm.output.timeperframe;
if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
return -EINVAL;
if (timeperframe->numerator == 0 || timeperframe->denominator == 0) {
timeperframe->numerator = MTK_DEFAULT_FRAMERATE_NUM;
timeperframe->denominator = MTK_DEFAULT_FRAMERATE_DENOM;
}
ctx->enc_params.framerate_num = timeperframe->denominator;
ctx->enc_params.framerate_denom = timeperframe->numerator;
ctx->param_change |= MTK_ENCODE_PARAM_FRAMERATE;
a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
return 0;
}
static int vidioc_venc_g_parm(struct file *file, void *priv,
struct v4l2_streamparm *a)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
return -EINVAL;
a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
a->parm.output.timeperframe.denominator =
ctx->enc_params.framerate_num;
a->parm.output.timeperframe.numerator =
ctx->enc_params.framerate_denom;
return 0;
}
static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_enc_ctx *ctx,
enum v4l2_buf_type type)
{
if (V4L2_TYPE_IS_OUTPUT(type))
return &ctx->q_data[MTK_Q_DATA_SRC];
return &ctx->q_data[MTK_Q_DATA_DST];
}
static void vidioc_try_fmt_cap(struct v4l2_format *f)
{
f->fmt.pix_mp.field = V4L2_FIELD_NONE;
f->fmt.pix_mp.num_planes = 1;
f->fmt.pix_mp.plane_fmt[0].bytesperline = 0;
f->fmt.pix_mp.flags = 0;
}
/* V4L2 specification suggests the driver corrects the format struct if any of
* the dimensions is unsupported
*/
static int vidioc_try_fmt_out(struct mtk_vcodec_enc_ctx *ctx, struct v4l2_format *f,
const struct mtk_video_fmt *fmt)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
int tmp_w, tmp_h;
unsigned int max_width, max_height;
pix_fmt_mp->field = V4L2_FIELD_NONE;
if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE) {
max_width = MTK_VENC_4K_MAX_W;
max_height = MTK_VENC_4K_MAX_H;
} else {
max_width = MTK_VENC_HD_MAX_W;
max_height = MTK_VENC_HD_MAX_H;
}
pix_fmt_mp->height = clamp(pix_fmt_mp->height, MTK_VENC_MIN_H, max_height);
pix_fmt_mp->width = clamp(pix_fmt_mp->width, MTK_VENC_MIN_W, max_width);
/* find next closer width align 16, height align 32, size align
* 64 rectangle
*/
tmp_w = pix_fmt_mp->width;
tmp_h = pix_fmt_mp->height;
v4l_bound_align_image(&pix_fmt_mp->width,
MTK_VENC_MIN_W,
max_width, 4,
&pix_fmt_mp->height,
MTK_VENC_MIN_H,
max_height, 5, 6);
if (pix_fmt_mp->width < tmp_w && (pix_fmt_mp->width + 16) <= max_width)
pix_fmt_mp->width += 16;
if (pix_fmt_mp->height < tmp_h && (pix_fmt_mp->height + 32) <= max_height)
pix_fmt_mp->height += 32;
mtk_v4l2_venc_dbg(0, ctx,
"before resize wxh=%dx%d, after resize wxh=%dx%d, sizeimage=%d %d",
tmp_w, tmp_h, pix_fmt_mp->width,
pix_fmt_mp->height,
pix_fmt_mp->plane_fmt[0].sizeimage,
pix_fmt_mp->plane_fmt[1].sizeimage);
pix_fmt_mp->num_planes = fmt->num_planes;
pix_fmt_mp->plane_fmt[0].sizeimage =
pix_fmt_mp->width * pix_fmt_mp->height +
((ALIGN(pix_fmt_mp->width, 16) * 2) * 16);
pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
if (pix_fmt_mp->num_planes == 2) {
pix_fmt_mp->plane_fmt[1].sizeimage =
(pix_fmt_mp->width * pix_fmt_mp->height) / 2 +
(ALIGN(pix_fmt_mp->width, 16) * 16);
pix_fmt_mp->plane_fmt[2].sizeimage = 0;
pix_fmt_mp->plane_fmt[1].bytesperline =
pix_fmt_mp->width;
pix_fmt_mp->plane_fmt[2].bytesperline = 0;
} else if (pix_fmt_mp->num_planes == 3) {
pix_fmt_mp->plane_fmt[1].sizeimage =
pix_fmt_mp->plane_fmt[2].sizeimage =
(pix_fmt_mp->width * pix_fmt_mp->height) / 4 +
((ALIGN(pix_fmt_mp->width, 16) / 2) * 16);
pix_fmt_mp->plane_fmt[1].bytesperline =
pix_fmt_mp->plane_fmt[2].bytesperline =
pix_fmt_mp->width / 2;
}
pix_fmt_mp->flags = 0;
return 0;
}
static void mtk_venc_set_param(struct mtk_vcodec_enc_ctx *ctx,
struct venc_enc_param *param)
{
struct mtk_q_data *q_data_src = &ctx->q_data[MTK_Q_DATA_SRC];
struct mtk_enc_params *enc_params = &ctx->enc_params;
switch (q_data_src->fmt->fourcc) {
case V4L2_PIX_FMT_YUV420M:
param->input_yuv_fmt = VENC_YUV_FORMAT_I420;
break;
case V4L2_PIX_FMT_YVU420M:
param->input_yuv_fmt = VENC_YUV_FORMAT_YV12;
break;
case V4L2_PIX_FMT_NV12M:
param->input_yuv_fmt = VENC_YUV_FORMAT_NV12;
break;
case V4L2_PIX_FMT_NV21M:
param->input_yuv_fmt = VENC_YUV_FORMAT_NV21;
break;
default:
mtk_v4l2_venc_err(ctx, "Unsupported fourcc =%d", q_data_src->fmt->fourcc);
break;
}
param->h264_profile = enc_params->h264_profile;
param->h264_level = enc_params->h264_level;
/* Config visible resolution */
param->width = q_data_src->visible_width;
param->height = q_data_src->visible_height;
/* Config coded resolution */
param->buf_width = q_data_src->coded_width;
param->buf_height = q_data_src->coded_height;
param->frm_rate = enc_params->framerate_num /
enc_params->framerate_denom;
param->intra_period = enc_params->intra_period;
param->gop_size = enc_params->gop_size;
param->bitrate = enc_params->bitrate;
mtk_v4l2_venc_dbg(0, ctx,
"fmt 0x%x, P/L %d/%d w/h %d/%d buf %d/%d fps/bps %d/%d gop %d i_per %d",
param->input_yuv_fmt, param->h264_profile,
param->h264_level, param->width, param->height,
param->buf_width, param->buf_height,
param->frm_rate, param->bitrate,
param->gop_size, param->intra_period);
}
static int vidioc_venc_s_fmt_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
struct vb2_queue *vq;
struct mtk_q_data *q_data = mtk_venc_get_q_data(ctx, f->type);
int i, ret;
const struct mtk_video_fmt *fmt;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq) {
mtk_v4l2_venc_err(ctx, "fail to get vq");
return -EINVAL;
}
if (vb2_is_busy(vq)) {
mtk_v4l2_venc_err(ctx, "queue busy");
return -EBUSY;
}
fmt = mtk_venc_find_format(f->fmt.pix.pixelformat, pdata);
if (!fmt) {
fmt = &ctx->dev->venc_pdata->capture_formats[0];
f->fmt.pix.pixelformat = fmt->fourcc;
}
q_data->fmt = fmt;
vidioc_try_fmt_cap(f);
q_data->coded_width = f->fmt.pix_mp.width;
q_data->coded_height = f->fmt.pix_mp.height;
q_data->field = f->fmt.pix_mp.field;
for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
struct v4l2_plane_pix_format *plane_fmt;
plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
q_data->bytesperline[i] = plane_fmt->bytesperline;
q_data->sizeimage[i] = plane_fmt->sizeimage;
}
if (ctx->state == MTK_STATE_FREE) {
ret = venc_if_init(ctx, q_data->fmt->fourcc);
if (ret) {
mtk_v4l2_venc_err(ctx, "venc_if_init failed=%d, codec type=%x",
ret, q_data->fmt->fourcc);
return -EBUSY;
}
ctx->state = MTK_STATE_INIT;
}
return 0;
}
static int vidioc_venc_s_fmt_out(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
struct vb2_queue *vq;
struct mtk_q_data *q_data = mtk_venc_get_q_data(ctx, f->type);
int ret, i;
const struct mtk_video_fmt *fmt;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq) {
mtk_v4l2_venc_err(ctx, "fail to get vq");
return -EINVAL;
}
if (vb2_is_busy(vq)) {
mtk_v4l2_venc_err(ctx, "queue busy");
return -EBUSY;
}
fmt = mtk_venc_find_format(f->fmt.pix.pixelformat, pdata);
if (!fmt) {
fmt = &ctx->dev->venc_pdata->output_formats[0];
f->fmt.pix.pixelformat = fmt->fourcc;
}
ret = vidioc_try_fmt_out(ctx, f, fmt);
if (ret)
return ret;
q_data->fmt = fmt;
q_data->visible_width = f->fmt.pix_mp.width;
q_data->visible_height = f->fmt.pix_mp.height;
q_data->coded_width = f->fmt.pix_mp.width;
q_data->coded_height = f->fmt.pix_mp.height;
q_data->field = f->fmt.pix_mp.field;
ctx->colorspace = f->fmt.pix_mp.colorspace;
ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
ctx->quantization = f->fmt.pix_mp.quantization;
ctx->xfer_func = f->fmt.pix_mp.xfer_func;
for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
struct v4l2_plane_pix_format *plane_fmt;
plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
q_data->bytesperline[i] = plane_fmt->bytesperline;
q_data->sizeimage[i] = plane_fmt->sizeimage;
}
return 0;
}
static int vidioc_venc_g_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
struct vb2_queue *vq;
struct mtk_q_data *q_data = mtk_venc_get_q_data(ctx, f->type);
int i;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq)
return -EINVAL;
pix->width = q_data->coded_width;
pix->height = q_data->coded_height;
pix->pixelformat = q_data->fmt->fourcc;
pix->field = q_data->field;
pix->num_planes = q_data->fmt->num_planes;
for (i = 0; i < pix->num_planes; i++) {
pix->plane_fmt[i].bytesperline = q_data->bytesperline[i];
pix->plane_fmt[i].sizeimage = q_data->sizeimage[i];
}
pix->flags = 0;
pix->colorspace = ctx->colorspace;
pix->ycbcr_enc = ctx->ycbcr_enc;
pix->quantization = ctx->quantization;
pix->xfer_func = ctx->xfer_func;
return 0;
}
static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
const struct mtk_video_fmt *fmt;
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
fmt = mtk_venc_find_format(f->fmt.pix.pixelformat, pdata);
if (!fmt) {
fmt = &ctx->dev->venc_pdata->capture_formats[0];
f->fmt.pix.pixelformat = fmt->fourcc;
}
f->fmt.pix_mp.colorspace = ctx->colorspace;
f->fmt.pix_mp.ycbcr_enc = ctx->ycbcr_enc;
f->fmt.pix_mp.quantization = ctx->quantization;
f->fmt.pix_mp.xfer_func = ctx->xfer_func;
vidioc_try_fmt_cap(f);
return 0;
}
static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
const struct mtk_video_fmt *fmt;
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
fmt = mtk_venc_find_format(f->fmt.pix.pixelformat, pdata);
if (!fmt) {
fmt = &ctx->dev->venc_pdata->output_formats[0];
f->fmt.pix.pixelformat = fmt->fourcc;
}
if (!f->fmt.pix_mp.colorspace) {
f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709;
f->fmt.pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
f->fmt.pix_mp.quantization = V4L2_QUANTIZATION_DEFAULT;
f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT;
}
return vidioc_try_fmt_out(ctx, f, fmt);
}
static int vidioc_venc_g_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
struct mtk_q_data *q_data = mtk_venc_get_q_data(ctx, s->type);
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_CROP_DEFAULT:
case V4L2_SEL_TGT_CROP_BOUNDS:
s->r.top = 0;
s->r.left = 0;
s->r.width = q_data->coded_width;
s->r.height = q_data->coded_height;
break;
case V4L2_SEL_TGT_CROP:
s->r.top = 0;
s->r.left = 0;
s->r.width = q_data->visible_width;
s->r.height = q_data->visible_height;
break;
default:
return -EINVAL;
}
return 0;
}
static int vidioc_venc_s_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
struct mtk_q_data *q_data = mtk_venc_get_q_data(ctx, s->type);
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_CROP:
/* Only support crop from (0,0) */
s->r.top = 0;
s->r.left = 0;
s->r.width = min(s->r.width, q_data->coded_width);
s->r.height = min(s->r.height, q_data->coded_height);
q_data->visible_width = s->r.width;
q_data->visible_height = s->r.height;
break;
default:
return -EINVAL;
}
return 0;
}
static int vidioc_venc_qbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_venc_err(ctx, "[%d] Call on QBUF after unrecoverable error",
ctx->id);
return -EIO;
}
return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
}
static int vidioc_venc_dqbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
int ret;
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_venc_err(ctx, "[%d] Call on QBUF after unrecoverable error",
ctx->id);
return -EIO;
}
ret = v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
if (ret)
return ret;
/*
* Complete flush if the user dequeued the 0-payload LAST buffer.
* We check the payload because a buffer with the LAST flag can also
* be seen during resolution changes. If we happen to be flushing at
* that time, the last buffer before the resolution changes could be
* misinterpreted for the buffer generated by the flush and terminate
* it earlier than we want.
*/
if (!V4L2_TYPE_IS_OUTPUT(buf->type) &&
buf->flags & V4L2_BUF_FLAG_LAST &&
buf->m.planes[0].bytesused == 0 &&
ctx->is_flushing) {
/*
* Last CAPTURE buffer is dequeued, we can allow another flush
* to take place.
*/
ctx->is_flushing = false;
}
return 0;
}
static int vidioc_encoder_cmd(struct file *file, void *priv,
struct v4l2_encoder_cmd *cmd)
{
struct mtk_vcodec_enc_ctx *ctx = fh_to_enc_ctx(priv);
struct vb2_queue *src_vq, *dst_vq;
int ret;
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_venc_err(ctx, "[%d] Call to CMD after unrecoverable error",
ctx->id);
return -EIO;
}
ret = v4l2_m2m_ioctl_try_encoder_cmd(file, priv, cmd);
if (ret)
return ret;
/* Calling START or STOP is invalid if a flush is in progress */
if (ctx->is_flushing)
return -EBUSY;
mtk_v4l2_venc_dbg(1, ctx, "encoder cmd=%u", cmd->cmd);
dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
switch (cmd->cmd) {
case V4L2_ENC_CMD_STOP:
src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
if (!vb2_is_streaming(src_vq)) {
mtk_v4l2_venc_dbg(1, ctx, "Output stream is off. No need to flush.");
return 0;
}
if (!vb2_is_streaming(dst_vq)) {
mtk_v4l2_venc_dbg(1, ctx, "Capture stream is off. No need to flush.");
return 0;
}
ctx->is_flushing = true;
v4l2_m2m_buf_queue(ctx->m2m_ctx, &ctx->empty_flush_buf.vb);
v4l2_m2m_try_schedule(ctx->m2m_ctx);
break;
case V4L2_ENC_CMD_START:
vb2_clear_last_buffer_dequeued(dst_vq);
break;
default:
return -EINVAL;
}
return 0;
}
const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = {
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_qbuf = vidioc_venc_qbuf,
.vidioc_dqbuf = vidioc_venc_dqbuf,
.vidioc_querycap = vidioc_venc_querycap,
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
.vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out,
.vidioc_enum_framesizes = vidioc_enum_framesizes,
.vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane,
.vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane,
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
.vidioc_s_parm = vidioc_venc_s_parm,
.vidioc_g_parm = vidioc_venc_g_parm,
.vidioc_s_fmt_vid_cap_mplane = vidioc_venc_s_fmt_cap,
.vidioc_s_fmt_vid_out_mplane = vidioc_venc_s_fmt_out,
.vidioc_g_fmt_vid_cap_mplane = vidioc_venc_g_fmt,
.vidioc_g_fmt_vid_out_mplane = vidioc_venc_g_fmt,
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
.vidioc_g_selection = vidioc_venc_g_selection,
.vidioc_s_selection = vidioc_venc_s_selection,
.vidioc_encoder_cmd = vidioc_encoder_cmd,
.vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd,
};
static int vb2ops_venc_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers,
unsigned int *nplanes,
unsigned int sizes[],
struct device *alloc_devs[])
{
struct mtk_vcodec_enc_ctx *ctx = vb2_get_drv_priv(vq);
struct mtk_q_data *q_data = mtk_venc_get_q_data(ctx, vq->type);
unsigned int i;
if (q_data == NULL)
return -EINVAL;
if (*nplanes) {
if (*nplanes != q_data->fmt->num_planes)
return -EINVAL;
for (i = 0; i < *nplanes; i++)
if (sizes[i] < q_data->sizeimage[i])
return -EINVAL;
} else {
*nplanes = q_data->fmt->num_planes;
for (i = 0; i < *nplanes; i++)
sizes[i] = q_data->sizeimage[i];
}
return 0;
}
static int vb2ops_venc_buf_prepare(struct vb2_buffer *vb)
{
struct mtk_vcodec_enc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct mtk_q_data *q_data = mtk_venc_get_q_data(ctx, vb->vb2_queue->type);
int i;
for (i = 0; i < q_data->fmt->num_planes; i++) {
if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
mtk_v4l2_venc_err(ctx, "data will not fit into plane %d (%lu < %d)",
i, vb2_plane_size(vb, i), q_data->sizeimage[i]);
return -EINVAL;
}
}
return 0;
}
static void vb2ops_venc_buf_queue(struct vb2_buffer *vb)
{
struct mtk_vcodec_enc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct vb2_v4l2_buffer *vb2_v4l2 =
container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
struct mtk_video_enc_buf *mtk_buf =
container_of(vb2_v4l2, struct mtk_video_enc_buf,
m2m_buf.vb);
if ((vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
(ctx->param_change != MTK_ENCODE_PARAM_NONE)) {
mtk_v4l2_venc_dbg(1, ctx, "[%d] Before id=%d encode parameter change %x",
ctx->id, vb2_v4l2->vb2_buf.index, ctx->param_change);
mtk_buf->param_change = ctx->param_change;
mtk_buf->enc_params = ctx->enc_params;
ctx->param_change = MTK_ENCODE_PARAM_NONE;
}
v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
}
static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct mtk_vcodec_enc_ctx *ctx = vb2_get_drv_priv(q);
struct venc_enc_param param;
int ret;
int i;
/* Once state turn into MTK_STATE_ABORT, we need stop_streaming
* to clear it
*/
if ((ctx->state == MTK_STATE_ABORT) || (ctx->state == MTK_STATE_FREE)) {
ret = -EIO;
goto err_start_stream;
}
/* Do the initialization when both start_streaming have been called */
if (V4L2_TYPE_IS_OUTPUT(q->type)) {
if (!vb2_start_streaming_called(&ctx->m2m_ctx->cap_q_ctx.q))
return 0;
} else {
if (!vb2_start_streaming_called(&ctx->m2m_ctx->out_q_ctx.q))
return 0;
}
mtk_venc_set_param(ctx, ¶m);
ret = venc_if_set_param(ctx, VENC_SET_PARAM_ENC, ¶m);
if (ret) {
mtk_v4l2_venc_err(ctx, "venc_if_set_param failed=%d", ret);
ctx->state = MTK_STATE_ABORT;
goto err_start_stream;
}
ctx->param_change = MTK_ENCODE_PARAM_NONE;
if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
(ctx->enc_params.seq_hdr_mode !=
V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)) {
ret = venc_if_set_param(ctx,
VENC_SET_PARAM_PREPEND_HEADER,
NULL);
if (ret) {
mtk_v4l2_venc_err(ctx, "venc_if_set_param failed=%d", ret);
ctx->state = MTK_STATE_ABORT;
goto err_start_stream;
}
ctx->state = MTK_STATE_HEADER;
}
return 0;
err_start_stream:
for (i = 0; i < vb2_get_num_buffers(q); ++i) {
struct vb2_buffer *buf = vb2_get_buffer(q, i);
/*
* FIXME: This check is not needed as only active buffers
* can be marked as done.
*/
if (buf && buf->state == VB2_BUF_STATE_ACTIVE) {
mtk_v4l2_venc_dbg(0, ctx, "[%d] id=%d, type=%d, %d->VB2_BUF_STATE_QUEUED",
ctx->id, i, q->type, (int)buf->state);
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(buf),
VB2_BUF_STATE_QUEUED);
}
}
return ret;
}
static void vb2ops_venc_stop_streaming(struct vb2_queue *q)
{
struct mtk_vcodec_enc_ctx *ctx = vb2_get_drv_priv(q);
struct vb2_v4l2_buffer *src_buf, *dst_buf;
int ret;
mtk_v4l2_venc_dbg(2, ctx, "[%d]-> type=%d", ctx->id, q->type);
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
}
/* STREAMOFF on the CAPTURE queue completes any ongoing flush */
if (ctx->is_flushing) {
struct v4l2_m2m_buffer *b, *n;
mtk_v4l2_venc_dbg(1, ctx, "STREAMOFF called while flushing");
/*
* STREAMOFF could be called before the flush buffer is
* dequeued. Check whether empty flush buf is still in
* queue before removing it.
*/
v4l2_m2m_for_each_src_buf_safe(ctx->m2m_ctx, b, n) {
if (b == &ctx->empty_flush_buf) {
v4l2_m2m_src_buf_remove_by_buf(ctx->m2m_ctx, &b->vb);
break;
}
}
ctx->is_flushing = false;
}
} else {
while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
if (src_buf != &ctx->empty_flush_buf.vb)
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
}
if (ctx->is_flushing) {
/*
* If we are in the middle of a flush, put the flush
* buffer back into the queue so the next CAPTURE
* buffer gets returned with the LAST flag set.
*/
v4l2_m2m_buf_queue(ctx->m2m_ctx,
&ctx->empty_flush_buf.vb);
}
}
if ((q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q)) ||
(q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q))) {
mtk_v4l2_venc_dbg(1, ctx, "[%d]-> q type %d out=%d cap=%d",
ctx->id, q->type,
vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q),
vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q));
return;
}
/* Release the encoder if both streams are stopped. */
ret = venc_if_deinit(ctx);
if (ret)
mtk_v4l2_venc_err(ctx, "venc_if_deinit failed=%d", ret);
ctx->state = MTK_STATE_FREE;
}
static int vb2ops_venc_buf_out_validate(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
vbuf->field = V4L2_FIELD_NONE;
return 0;
}
static const struct vb2_ops mtk_venc_vb2_ops = {
.queue_setup = vb2ops_venc_queue_setup,
.buf_out_validate = vb2ops_venc_buf_out_validate,
.buf_prepare = vb2ops_venc_buf_prepare,
.buf_queue = vb2ops_venc_buf_queue,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
.start_streaming = vb2ops_venc_start_streaming,
.stop_streaming = vb2ops_venc_stop_streaming,
};
static int mtk_venc_encode_header(void *priv)
{
struct mtk_vcodec_enc_ctx *ctx = priv;
int ret;
struct vb2_v4l2_buffer *src_buf, *dst_buf;
struct mtk_vcodec_mem bs_buf;
struct venc_done_result enc_result;
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
if (!dst_buf) {
mtk_v4l2_venc_dbg(1, ctx, "No dst buffer");
return -EINVAL;
}
bs_buf.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
bs_buf.size = (size_t)dst_buf->vb2_buf.planes[0].length;
mtk_v4l2_venc_dbg(1, ctx,
"[%d] buf id=%d va=0x%p dma_addr=0x%llx size=%zu",
ctx->id, dst_buf->vb2_buf.index, bs_buf.va,
(u64)bs_buf.dma_addr, bs_buf.size);
ret = venc_if_encode(ctx,
VENC_START_OPT_ENCODE_SEQUENCE_HEADER,
NULL, &bs_buf, &enc_result);
if (ret) {
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
ctx->state = MTK_STATE_ABORT;
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
mtk_v4l2_venc_err(ctx, "venc_if_encode failed=%d", ret);
return -EINVAL;
}
src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
if (src_buf) {
dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
dst_buf->timecode = src_buf->timecode;
} else {
mtk_v4l2_venc_err(ctx, "No timestamp for the header buffer.");
}
ctx->state = MTK_STATE_HEADER;
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, enc_result.bs_size);
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
return 0;
}
static int mtk_venc_param_change(struct mtk_vcodec_enc_ctx *ctx)
{
struct venc_enc_param enc_prm;
struct vb2_v4l2_buffer *vb2_v4l2 = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
struct mtk_video_enc_buf *mtk_buf;
int ret = 0;
/* Don't upcast the empty flush buffer */
if (vb2_v4l2 == &ctx->empty_flush_buf.vb)
return 0;
mtk_buf = container_of(vb2_v4l2, struct mtk_video_enc_buf, m2m_buf.vb);
memset(&enc_prm, 0, sizeof(enc_prm));
if (mtk_buf->param_change == MTK_ENCODE_PARAM_NONE)
return 0;
if (mtk_buf->param_change & MTK_ENCODE_PARAM_BITRATE) {
enc_prm.bitrate = mtk_buf->enc_params.bitrate;
mtk_v4l2_venc_dbg(1, ctx, "[%d] id=%d, change param br=%d",
ctx->id, vb2_v4l2->vb2_buf.index, enc_prm.bitrate);
ret |= venc_if_set_param(ctx,
VENC_SET_PARAM_ADJUST_BITRATE,
&enc_prm);
}
if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FRAMERATE) {
enc_prm.frm_rate = mtk_buf->enc_params.framerate_num /
mtk_buf->enc_params.framerate_denom;
mtk_v4l2_venc_dbg(1, ctx, "[%d] id=%d, change param fr=%d",
ctx->id, vb2_v4l2->vb2_buf.index, enc_prm.frm_rate);
ret |= venc_if_set_param(ctx,
VENC_SET_PARAM_ADJUST_FRAMERATE,
&enc_prm);
}
if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_GOP_SIZE) {
enc_prm.gop_size = mtk_buf->enc_params.gop_size;
mtk_v4l2_venc_dbg(1, ctx, "change param intra period=%d", enc_prm.gop_size);
ret |= venc_if_set_param(ctx,
VENC_SET_PARAM_GOP_SIZE,
&enc_prm);
}
if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FORCE_INTRA) {
mtk_v4l2_venc_dbg(1, ctx, "[%d] id=%d, change param force I=%d",
ctx->id, vb2_v4l2->vb2_buf.index,
mtk_buf->enc_params.force_intra);
if (mtk_buf->enc_params.force_intra)
ret |= venc_if_set_param(ctx,
VENC_SET_PARAM_FORCE_INTRA,
NULL);
}
mtk_buf->param_change = MTK_ENCODE_PARAM_NONE;
if (ret) {
ctx->state = MTK_STATE_ABORT;
mtk_v4l2_venc_err(ctx, "venc_if_set_param %d failed=%d",
mtk_buf->param_change, ret);
return -1;
}
return 0;
}
/*
* v4l2_m2m_streamoff() holds dev_mutex and waits mtk_venc_worker()
* to call v4l2_m2m_job_finish().
* If mtk_venc_worker() tries to acquire dev_mutex, it will deadlock.
* So this function must not try to acquire dev->dev_mutex.
* This means v4l2 ioctls and mtk_venc_worker() can run at the same time.
* mtk_venc_worker() should be carefully implemented to avoid bugs.
*/
static void mtk_venc_worker(struct work_struct *work)
{
struct mtk_vcodec_enc_ctx *ctx = container_of(work, struct mtk_vcodec_enc_ctx,
encode_work);
struct vb2_v4l2_buffer *src_buf, *dst_buf;
struct venc_frm_buf frm_buf;
struct mtk_vcodec_mem bs_buf;
struct venc_done_result enc_result;
int ret, i;
/* check dst_buf, dst_buf may be removed in device_run
* to stored encdoe header so we need check dst_buf and
* call job_finish here to prevent recursion
*/
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
if (!dst_buf) {
v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
return;
}
src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
/*
* If we see the flush buffer, send an empty buffer with the LAST flag
* to the client. is_flushing will be reset at the time the buffer
* is dequeued.
*/
if (src_buf == &ctx->empty_flush_buf.vb) {
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
dst_buf->flags |= V4L2_BUF_FLAG_LAST;
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
return;
}
memset(&frm_buf, 0, sizeof(frm_buf));
for (i = 0; i < src_buf->vb2_buf.num_planes ; i++) {
frm_buf.fb_addr[i].dma_addr =
vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, i);
frm_buf.fb_addr[i].size =
(size_t)src_buf->vb2_buf.planes[i].length;
}
bs_buf.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
bs_buf.size = (size_t)dst_buf->vb2_buf.planes[0].length;
mtk_v4l2_venc_dbg(2, ctx,
"Framebuf PA=%llx Size=0x%zx;PA=0x%llx Size=0x%zx;PA=0x%llx Size=%zu",
(u64)frm_buf.fb_addr[0].dma_addr, frm_buf.fb_addr[0].size,
(u64)frm_buf.fb_addr[1].dma_addr, frm_buf.fb_addr[1].size,
(u64)frm_buf.fb_addr[2].dma_addr, frm_buf.fb_addr[2].size);
ret = venc_if_encode(ctx, VENC_START_OPT_ENCODE_FRAME,
&frm_buf, &bs_buf, &enc_result);
dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
dst_buf->timecode = src_buf->timecode;
if (enc_result.is_key_frm)
dst_buf->flags |= V4L2_BUF_FLAG_KEYFRAME;
if (ret) {
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
mtk_v4l2_venc_err(ctx, "venc_if_encode failed=%d", ret);
} else {
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, enc_result.bs_size);
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
mtk_v4l2_venc_dbg(2, ctx, "venc_if_encode bs size=%d",
enc_result.bs_size);
}
v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
mtk_v4l2_venc_dbg(1, ctx, "<=== src_buf[%d] dst_buf[%d] venc_if_encode ret=%d Size=%u===>",
src_buf->vb2_buf.index, dst_buf->vb2_buf.index, ret, enc_result.bs_size);
}
static void m2mops_venc_device_run(void *priv)
{
struct mtk_vcodec_enc_ctx *ctx = priv;
if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
(ctx->state != MTK_STATE_HEADER)) {
/* encode h264 sps/pps header */
mtk_venc_encode_header(ctx);
queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
return;
}
mtk_venc_param_change(ctx);
queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
}
static int m2mops_venc_job_ready(void *m2m_priv)
{
struct mtk_vcodec_enc_ctx *ctx = m2m_priv;
if (ctx->state == MTK_STATE_ABORT || ctx->state == MTK_STATE_FREE) {
mtk_v4l2_venc_dbg(3, ctx, "[%d]Not ready: state=0x%x.", ctx->id, ctx->state);
return 0;
}
return 1;
}
static void m2mops_venc_job_abort(void *priv)
{
struct mtk_vcodec_enc_ctx *ctx = priv;
ctx->state = MTK_STATE_ABORT;
}
const struct v4l2_m2m_ops mtk_venc_m2m_ops = {
.device_run = m2mops_venc_device_run,
.job_ready = m2mops_venc_job_ready,
.job_abort = m2mops_venc_job_abort,
};
void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_enc_ctx *ctx)
{
struct mtk_q_data *q_data;
ctx->m2m_ctx->q_lock = &ctx->q_mutex;
ctx->fh.m2m_ctx = ctx->m2m_ctx;
ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
INIT_WORK(&ctx->encode_work, mtk_venc_worker);
ctx->colorspace = V4L2_COLORSPACE_REC709;
ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
q_data = &ctx->q_data[MTK_Q_DATA_SRC];
memset(q_data, 0, sizeof(struct mtk_q_data));
q_data->visible_width = DFT_CFG_WIDTH;
q_data->visible_height = DFT_CFG_HEIGHT;
q_data->coded_width = DFT_CFG_WIDTH;
q_data->coded_height = DFT_CFG_HEIGHT;
q_data->field = V4L2_FIELD_NONE;
q_data->fmt = &ctx->dev->venc_pdata->output_formats[0];
v4l_bound_align_image(&q_data->coded_width,
MTK_VENC_MIN_W,
MTK_VENC_HD_MAX_W, 4,
&q_data->coded_height,
MTK_VENC_MIN_H,
MTK_VENC_HD_MAX_H, 5, 6);
if (q_data->coded_width < DFT_CFG_WIDTH &&
(q_data->coded_width + 16) <= MTK_VENC_HD_MAX_W)
q_data->coded_width += 16;
if (q_data->coded_height < DFT_CFG_HEIGHT &&
(q_data->coded_height + 32) <= MTK_VENC_HD_MAX_H)
q_data->coded_height += 32;
q_data->sizeimage[0] =
q_data->coded_width * q_data->coded_height+
((ALIGN(q_data->coded_width, 16) * 2) * 16);
q_data->bytesperline[0] = q_data->coded_width;
q_data->sizeimage[1] =
(q_data->coded_width * q_data->coded_height) / 2 +
(ALIGN(q_data->coded_width, 16) * 16);
q_data->bytesperline[1] = q_data->coded_width;
q_data = &ctx->q_data[MTK_Q_DATA_DST];
memset(q_data, 0, sizeof(struct mtk_q_data));
q_data->coded_width = DFT_CFG_WIDTH;
q_data->coded_height = DFT_CFG_HEIGHT;
q_data->fmt = &ctx->dev->venc_pdata->capture_formats[0];
q_data->field = V4L2_FIELD_NONE;
ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] = 0;
ctx->enc_params.framerate_num = MTK_DEFAULT_FRAMERATE_NUM;
ctx->enc_params.framerate_denom = MTK_DEFAULT_FRAMERATE_DENOM;
}
int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_enc_ctx *ctx)
{
const struct v4l2_ctrl_ops *ops = &mtk_vcodec_enc_ctrl_ops;
struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
u8 h264_max_level;
if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE)
h264_max_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_1;
else
h264_max_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_2;
v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
1, 1, 1, 1);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE,
ctx->dev->venc_pdata->min_bitrate,
ctx->dev->venc_pdata->max_bitrate, 1, 4000000);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_B_FRAMES,
0, 2, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE,
0, 1, 1, 1);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
0, 51, 1, 51);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_I_PERIOD,
0, 65535, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
0, 65535, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE,
0, 1, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME,
0, 0, 0, 0);
v4l2_ctrl_new_std_menu(handler, ops,
V4L2_CID_MPEG_VIDEO_HEADER_MODE,
V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
0, V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE);
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
(1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
(1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)),
V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL,
h264_max_level,
0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
V4L2_MPEG_VIDEO_VP8_PROFILE_0, 0, V4L2_MPEG_VIDEO_VP8_PROFILE_0);
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
V4L2_MPEG_VIDEO_BITRATE_MODE_CBR,
~(1 << V4L2_MPEG_VIDEO_BITRATE_MODE_CBR),
V4L2_MPEG_VIDEO_BITRATE_MODE_CBR);
if (handler->error) {
mtk_v4l2_venc_err(ctx, "Init control handler fail %d", handler->error);
return handler->error;
}
v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
return 0;
}
int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq)
{
struct mtk_vcodec_enc_ctx *ctx = priv;
int ret;
/* Note: VB2_USERPTR works with dma-contig because mt8173
* support iommu
* https://patchwork.kernel.org/patch/8335461/
* https://patchwork.kernel.org/patch/7596181/
*/
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
src_vq->drv_priv = ctx;
src_vq->buf_struct_size = sizeof(struct mtk_video_enc_buf);
src_vq->ops = &mtk_venc_vb2_ops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->lock = &ctx->q_mutex;
src_vq->dev = &ctx->dev->plat_dev->dev;
ret = vb2_queue_init(src_vq);
if (ret)
return ret;
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
dst_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
dst_vq->drv_priv = ctx;
dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
dst_vq->ops = &mtk_venc_vb2_ops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->lock = &ctx->q_mutex;
dst_vq->dev = &ctx->dev->plat_dev->dev;
return vb2_queue_init(dst_vq);
}
int mtk_venc_unlock(struct mtk_vcodec_enc_ctx *ctx)
{
struct mtk_vcodec_enc_dev *dev = ctx->dev;
mutex_unlock(&dev->enc_mutex);
return 0;
}
int mtk_venc_lock(struct mtk_vcodec_enc_ctx *ctx)
{
struct mtk_vcodec_enc_dev *dev = ctx->dev;
mutex_lock(&dev->enc_mutex);
return 0;
}
void mtk_vcodec_enc_release(struct mtk_vcodec_enc_ctx *ctx)
{
int ret = venc_if_deinit(ctx);
if (ret)
mtk_v4l2_venc_err(ctx, "venc_if_deinit failed=%d", ret);
ctx->state = MTK_STATE_FREE;
}
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