// 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 "mtk_vcodec_dec_drv.h"
#include "mtk_vcodec_dec.h"
#include "vdec_drv_if.h"
#include "mtk_vcodec_dec_pm.h"
#define DFT_CFG_WIDTH MTK_VDEC_MIN_W
#define DFT_CFG_HEIGHT MTK_VDEC_MIN_H
static const struct mtk_video_fmt *
mtk_vdec_find_format(struct v4l2_format *f,
const struct mtk_vcodec_dec_pdata *dec_pdata)
{
const struct mtk_video_fmt *fmt;
unsigned int k;
for (k = 0; k < *dec_pdata->num_formats; k++) {
fmt = &dec_pdata->vdec_formats[k];
if (fmt->fourcc == f->fmt.pix_mp.pixelformat)
return fmt;
}
return NULL;
}
static bool mtk_vdec_get_cap_fmt(struct mtk_vcodec_dec_ctx *ctx, int format_index)
{
const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
const struct mtk_video_fmt *fmt;
struct mtk_q_data *q_data;
int num_frame_count = 0, i;
bool ret = false;
fmt = &dec_pdata->vdec_formats[format_index];
for (i = 0; i < *dec_pdata->num_formats; i++) {
if (dec_pdata->vdec_formats[i].type != MTK_FMT_FRAME)
continue;
num_frame_count++;
}
if (num_frame_count == 1 || (!ctx->is_10bit_bitstream && fmt->fourcc == V4L2_PIX_FMT_MM21))
return true;
q_data = &ctx->q_data[MTK_Q_DATA_SRC];
switch (q_data->fmt->fourcc) {
case V4L2_PIX_FMT_H264_SLICE:
if (ctx->is_10bit_bitstream && fmt->fourcc == V4L2_PIX_FMT_MT2110R)
ret = true;
break;
case V4L2_PIX_FMT_VP9_FRAME:
case V4L2_PIX_FMT_AV1_FRAME:
case V4L2_PIX_FMT_HEVC_SLICE:
if (ctx->is_10bit_bitstream && fmt->fourcc == V4L2_PIX_FMT_MT2110T)
ret = true;
break;
default:
break;
}
return ret;
}
static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_dec_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 int stateful_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
{
return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
}
static int stateful_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
struct vb2_queue *src_vq, *dst_vq;
int ret;
ret = stateful_try_decoder_cmd(file, priv, cmd);
if (ret)
return ret;
mtk_v4l2_vdec_dbg(1, ctx, "decoder cmd=%u", cmd->cmd);
dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
switch (cmd->cmd) {
case V4L2_DEC_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_vdec_dbg(1, ctx, "Output stream is off. No need to flush.");
return 0;
}
if (!vb2_is_streaming(dst_vq)) {
mtk_v4l2_vdec_dbg(1, ctx, "Capture stream is off. No need to flush.");
return 0;
}
v4l2_m2m_buf_queue(ctx->m2m_ctx, &ctx->empty_flush_buf.vb);
v4l2_m2m_try_schedule(ctx->m2m_ctx);
break;
case V4L2_DEC_CMD_START:
vb2_clear_last_buffer_dequeued(dst_vq);
break;
default:
return -EINVAL;
}
return 0;
}
static int stateless_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
{
return v4l2_m2m_ioctl_stateless_try_decoder_cmd(file, priv, cmd);
}
static int stateless_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
int ret;
ret = v4l2_m2m_ioctl_stateless_try_decoder_cmd(file, priv, cmd);
if (ret)
return ret;
mtk_v4l2_vdec_dbg(3, ctx, "decoder cmd=%u", cmd->cmd);
switch (cmd->cmd) {
case V4L2_DEC_CMD_FLUSH:
/*
* If the flag of the output buffer is equals V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF,
* this command will prevent dequeueing the capture buffer containing the last
* decoded frame. Or do nothing
*/
break;
default:
mtk_v4l2_vdec_err(ctx, "invalid stateless decoder cmd=%u", cmd->cmd);
return -EINVAL;
}
return 0;
}
static int vidioc_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
if (ctx->dev->vdec_pdata->uses_stateless_api)
return stateless_try_decoder_cmd(file, priv, cmd);
return stateful_try_decoder_cmd(file, priv, cmd);
}
static int vidioc_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
if (ctx->dev->vdec_pdata->uses_stateless_api)
return stateless_decoder_cmd(file, priv, cmd);
return stateful_decoder_cmd(file, priv, cmd);
}
void mtk_vdec_unlock(struct mtk_vcodec_dec_ctx *ctx)
{
mutex_unlock(&ctx->dev->dec_mutex[ctx->hw_id]);
}
void mtk_vdec_lock(struct mtk_vcodec_dec_ctx *ctx)
{
mutex_lock(&ctx->dev->dec_mutex[ctx->hw_id]);
}
void mtk_vcodec_dec_release(struct mtk_vcodec_dec_ctx *ctx)
{
vdec_if_deinit(ctx);
ctx->state = MTK_STATE_FREE;
}
void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_dec_ctx *ctx)
{
struct mtk_q_data *q_data;
ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
ctx->fh.m2m_ctx = ctx->m2m_ctx;
ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
INIT_WORK(&ctx->decode_work, ctx->dev->vdec_pdata->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->fmt = ctx->dev->vdec_pdata->default_out_fmt;
q_data->field = V4L2_FIELD_NONE;
q_data->sizeimage[0] = DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
q_data->bytesperline[0] = 0;
q_data = &ctx->q_data[MTK_Q_DATA_DST];
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->fmt = ctx->dev->vdec_pdata->default_cap_fmt;
q_data->field = V4L2_FIELD_NONE;
q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height;
q_data->bytesperline[0] = q_data->coded_width;
q_data->sizeimage[1] = q_data->sizeimage[0] / 2;
q_data->bytesperline[1] = q_data->coded_width;
}
static int vidioc_vdec_qbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_vdec_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_vdec_dqbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_vdec_err(ctx, "[%d] Call on DQBUF after unrecoverable error", ctx->id);
return -EIO;
}
return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
}
static int vidioc_vdec_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
struct device *dev = &ctx->dev->plat_dev->dev;
strscpy(cap->driver, dev->driver->name, sizeof(cap->driver));
snprintf(cap->card, sizeof(cap->card), "MT%d video decoder", ctx->dev->chip_name);
return 0;
}
static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(fh);
if (ctx->dev->vdec_pdata->uses_stateless_api)
return v4l2_ctrl_subscribe_event(fh, sub);
switch (sub->type) {
case V4L2_EVENT_EOS:
return v4l2_event_subscribe(fh, sub, 2, NULL);
case V4L2_EVENT_SOURCE_CHANGE:
return v4l2_src_change_event_subscribe(fh, sub);
default:
return v4l2_ctrl_subscribe_event(fh, sub);
}
}
static int vidioc_try_fmt(struct mtk_vcodec_dec_ctx *ctx, struct v4l2_format *f,
const struct mtk_video_fmt *fmt)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
const struct v4l2_frmsize_stepwise *frmsize;
pix_fmt_mp->field = V4L2_FIELD_NONE;
/* Always apply frame size constraints from the coded side */
if (V4L2_TYPE_IS_OUTPUT(f->type))
frmsize = &fmt->frmsize;
else
frmsize = &ctx->q_data[MTK_Q_DATA_SRC].fmt->frmsize;
pix_fmt_mp->width = clamp(pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width);
pix_fmt_mp->height = clamp(pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height);
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
pix_fmt_mp->num_planes = 1;
pix_fmt_mp->plane_fmt[0].bytesperline = 0;
} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
int tmp_w, tmp_h;
/*
* Find next closer width align 64, height align 64, size align
* 64 rectangle
* Note: This only get default value, the real HW needed value
* only available when ctx in MTK_STATE_HEADER state
*/
tmp_w = pix_fmt_mp->width;
tmp_h = pix_fmt_mp->height;
v4l_bound_align_image(&pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width, 6,
&pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height, 6,
9);
if (pix_fmt_mp->width < tmp_w &&
(pix_fmt_mp->width + 64) <= frmsize->max_width)
pix_fmt_mp->width += 64;
if (pix_fmt_mp->height < tmp_h &&
(pix_fmt_mp->height + 64) <= frmsize->max_height)
pix_fmt_mp->height += 64;
mtk_v4l2_vdec_dbg(0, ctx,
"before resize wxh=%dx%d, after resize wxh=%dx%d, sizeimage=%d",
tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height,
pix_fmt_mp->width * pix_fmt_mp->height);
pix_fmt_mp->num_planes = fmt->num_planes;
pix_fmt_mp->plane_fmt[0].sizeimage =
pix_fmt_mp->width * pix_fmt_mp->height;
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;
pix_fmt_mp->plane_fmt[1].bytesperline =
pix_fmt_mp->width;
}
}
pix_fmt_mp->flags = 0;
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_dec_ctx *ctx = fh_to_dec_ctx(priv);
const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
fmt = mtk_vdec_find_format(f, dec_pdata);
if (!fmt) {
f->fmt.pix.pixelformat =
ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc;
fmt = mtk_vdec_find_format(f, dec_pdata);
}
return vidioc_try_fmt(ctx, f, fmt);
}
static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
const struct mtk_video_fmt *fmt;
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
fmt = mtk_vdec_find_format(f, dec_pdata);
if (!fmt) {
f->fmt.pix.pixelformat =
ctx->q_data[MTK_Q_DATA_SRC].fmt->fourcc;
fmt = mtk_vdec_find_format(f, dec_pdata);
}
if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
mtk_v4l2_vdec_err(ctx, "sizeimage of output format must be given");
return -EINVAL;
}
return vidioc_try_fmt(ctx, f, fmt);
}
static int vidioc_vdec_g_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
struct mtk_q_data *q_data;
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
q_data = &ctx->q_data[MTK_Q_DATA_DST];
switch (s->target) {
case V4L2_SEL_TGT_COMPOSE_DEFAULT:
s->r.left = 0;
s->r.top = 0;
s->r.width = ctx->picinfo.pic_w;
s->r.height = ctx->picinfo.pic_h;
break;
case V4L2_SEL_TGT_COMPOSE_BOUNDS:
s->r.left = 0;
s->r.top = 0;
s->r.width = ctx->picinfo.buf_w;
s->r.height = ctx->picinfo.buf_h;
break;
case V4L2_SEL_TGT_COMPOSE:
if (vdec_if_get_param(ctx, GET_PARAM_CROP_INFO, &(s->r))) {
/* set to default value if header info not ready yet*/
s->r.left = 0;
s->r.top = 0;
s->r.width = q_data->visible_width;
s->r.height = q_data->visible_height;
}
break;
default:
return -EINVAL;
}
if (ctx->state < MTK_STATE_HEADER) {
/* set to default value if header info not ready yet*/
s->r.left = 0;
s->r.top = 0;
s->r.width = q_data->visible_width;
s->r.height = q_data->visible_height;
return 0;
}
return 0;
}
static int vidioc_vdec_s_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_COMPOSE:
s->r.left = 0;
s->r.top = 0;
s->r.width = ctx->picinfo.pic_w;
s->r.height = ctx->picinfo.pic_h;
break;
default:
return -EINVAL;
}
return 0;
}
static int vidioc_vdec_s_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
struct v4l2_pix_format_mplane *pix_mp;
struct mtk_q_data *q_data;
int ret = 0;
const struct mtk_video_fmt *fmt;
const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
q_data = mtk_vdec_get_q_data(ctx, f->type);
if (!q_data)
return -EINVAL;
pix_mp = &f->fmt.pix_mp;
/*
* Setting OUTPUT format after OUTPUT buffers are allocated is invalid
* if using the stateful API.
*/
if (!dec_pdata->uses_stateless_api &&
f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
mtk_v4l2_vdec_err(ctx, "out_q_ctx buffers already requested");
ret = -EBUSY;
}
/*
* Setting CAPTURE format after CAPTURE buffers are allocated is
* invalid.
*/
if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) {
mtk_v4l2_vdec_err(ctx, "cap_q_ctx buffers already requested");
ret = -EBUSY;
}
fmt = mtk_vdec_find_format(f, dec_pdata);
if (fmt == NULL) {
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
f->fmt.pix.pixelformat =
dec_pdata->default_out_fmt->fourcc;
fmt = mtk_vdec_find_format(f, dec_pdata);
} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
f->fmt.pix.pixelformat =
dec_pdata->default_cap_fmt->fourcc;
fmt = mtk_vdec_find_format(f, dec_pdata);
}
}
if (fmt == NULL)
return -EINVAL;
q_data->fmt = fmt;
vidioc_try_fmt(ctx, f, q_data->fmt);
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage;
q_data->coded_width = pix_mp->width;
q_data->coded_height = pix_mp->height;
ctx->colorspace = pix_mp->colorspace;
ctx->ycbcr_enc = pix_mp->ycbcr_enc;
ctx->quantization = pix_mp->quantization;
ctx->xfer_func = pix_mp->xfer_func;
ctx->current_codec = fmt->fourcc;
if (ctx->state == MTK_STATE_FREE) {
ret = vdec_if_init(ctx, q_data->fmt->fourcc);
if (ret) {
mtk_v4l2_vdec_err(ctx, "[%d]: vdec_if_init() fail ret=%d",
ctx->id, ret);
return -EINVAL;
}
ctx->state = MTK_STATE_INIT;
}
} else {
ctx->capture_fourcc = fmt->fourcc;
}
/*
* If using the stateless API, S_FMT should have the effect of setting
* the CAPTURE queue resolution no matter which queue it was called on.
*/
if (dec_pdata->uses_stateless_api) {
ctx->picinfo.pic_w = pix_mp->width;
ctx->picinfo.pic_h = pix_mp->height;
/*
* If get pic info fail, need to use the default pic info params, or
* v4l2-compliance will fail
*/
ret = vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo);
if (ret) {
mtk_v4l2_vdec_err(ctx, "[%d]Error!! Get GET_PARAM_PICTURE_INFO Fail",
ctx->id);
}
ctx->last_decoded_picinfo = ctx->picinfo;
if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1) {
ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
ctx->picinfo.fb_sz[0] +
ctx->picinfo.fb_sz[1];
ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
ctx->picinfo.buf_w;
} else {
ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
ctx->picinfo.fb_sz[0];
ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
ctx->picinfo.buf_w;
ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
ctx->picinfo.fb_sz[1];
ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] =
ctx->picinfo.buf_w;
}
ctx->q_data[MTK_Q_DATA_DST].coded_width = ctx->picinfo.buf_w;
ctx->q_data[MTK_Q_DATA_DST].coded_height = ctx->picinfo.buf_h;
mtk_v4l2_vdec_dbg(2, ctx,
"[%d] init() plane:%d wxh=%dx%d pic wxh=%dx%d sz=0x%x_0x%x",
ctx->id, pix_mp->num_planes,
ctx->picinfo.buf_w, ctx->picinfo.buf_h,
ctx->picinfo.pic_w, ctx->picinfo.pic_h,
ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
}
return 0;
}
static int vidioc_enum_framesizes(struct file *file, void *priv,
struct v4l2_frmsizeenum *fsize)
{
int i = 0;
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
if (fsize->index != 0)
return -EINVAL;
for (i = 0; i < *dec_pdata->num_formats; i++) {
if (fsize->pixel_format != dec_pdata->vdec_formats[i].fourcc)
continue;
/* Only coded formats have frame sizes set */
if (!dec_pdata->vdec_formats[i].frmsize.max_width)
return -ENOTTY;
fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
fsize->stepwise = dec_pdata->vdec_formats[i].frmsize;
mtk_v4l2_vdec_dbg(1, ctx, "%x, %d %d %d %d %d %d",
ctx->dev->dec_capability, fsize->stepwise.min_width,
fsize->stepwise.max_width, fsize->stepwise.step_width,
fsize->stepwise.min_height, fsize->stepwise.max_height,
fsize->stepwise.step_height);
return 0;
}
return -EINVAL;
}
static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, void *priv,
bool output_queue)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
const struct mtk_video_fmt *fmt;
int i, j = 0;
for (i = 0; i < *dec_pdata->num_formats; i++) {
if (output_queue &&
dec_pdata->vdec_formats[i].type != MTK_FMT_DEC)
continue;
if (!output_queue &&
dec_pdata->vdec_formats[i].type != MTK_FMT_FRAME)
continue;
if (!output_queue && !mtk_vdec_get_cap_fmt(ctx, i))
continue;
if (j == f->index)
break;
++j;
}
if (i == *dec_pdata->num_formats)
return -EINVAL;
fmt = &dec_pdata->vdec_formats[i];
f->pixelformat = fmt->fourcc;
f->flags = fmt->flags;
return 0;
}
static int vidioc_vdec_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
return vidioc_enum_fmt(f, priv, false);
}
static int vidioc_vdec_enum_fmt_vid_out(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
return vidioc_enum_fmt(f, priv, true);
}
static int vidioc_vdec_g_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
struct vb2_queue *vq;
struct mtk_q_data *q_data;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq) {
mtk_v4l2_vdec_err(ctx, "no vb2 queue for type=%d", f->type);
return -EINVAL;
}
q_data = mtk_vdec_get_q_data(ctx, f->type);
pix_mp->field = V4L2_FIELD_NONE;
pix_mp->colorspace = ctx->colorspace;
pix_mp->ycbcr_enc = ctx->ycbcr_enc;
pix_mp->quantization = ctx->quantization;
pix_mp->xfer_func = ctx->xfer_func;
if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
(ctx->state >= MTK_STATE_HEADER)) {
/* Until STREAMOFF is called on the CAPTURE queue
* (acknowledging the event), the driver operates as if
* the resolution hasn't changed yet.
* So we just return picinfo yet, and update picinfo in
* stop_streaming hook function
*/
q_data->sizeimage[0] = ctx->picinfo.fb_sz[0];
q_data->sizeimage[1] = ctx->picinfo.fb_sz[1];
q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w;
q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w;
q_data->coded_width = ctx->picinfo.buf_w;
q_data->coded_height = ctx->picinfo.buf_h;
ctx->last_decoded_picinfo.cap_fourcc = q_data->fmt->fourcc;
/*
* Width and height are set to the dimensions
* of the movie, the buffer is bigger and
* further processing stages should crop to this
* rectangle.
*/
pix_mp->width = q_data->coded_width;
pix_mp->height = q_data->coded_height;
/*
* Set pixelformat to the format in which mt vcodec
* outputs the decoded frame
*/
pix_mp->num_planes = q_data->fmt->num_planes;
pix_mp->pixelformat = q_data->fmt->fourcc;
pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
/*
* This is run on OUTPUT
* The buffer contains compressed image
* so width and height have no meaning.
* Assign value here to pass v4l2-compliance test
*/
pix_mp->width = q_data->visible_width;
pix_mp->height = q_data->visible_height;
pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
pix_mp->pixelformat = q_data->fmt->fourcc;
pix_mp->num_planes = q_data->fmt->num_planes;
} else {
pix_mp->width = q_data->coded_width;
pix_mp->height = q_data->coded_height;
pix_mp->num_planes = q_data->fmt->num_planes;
pix_mp->pixelformat = q_data->fmt->fourcc;
pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
mtk_v4l2_vdec_dbg(1, ctx, "[%d] type=%d state=%d Format information not ready!",
ctx->id, f->type, ctx->state);
}
return 0;
}
int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
unsigned int *nplanes, unsigned int sizes[],
struct device *alloc_devs[])
{
struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vq);
struct mtk_q_data *q_data;
unsigned int i;
q_data = mtk_vdec_get_q_data(ctx, vq->type);
if (q_data == NULL) {
mtk_v4l2_vdec_err(ctx, "vq->type=%d err\n", vq->type);
return -EINVAL;
}
if (*nplanes) {
if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
if (*nplanes != q_data->fmt->num_planes)
return -EINVAL;
} else {
if (*nplanes != 1)
return -EINVAL;
}
for (i = 0; i < *nplanes; i++) {
if (sizes[i] < q_data->sizeimage[i])
return -EINVAL;
}
} else {
if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
*nplanes = q_data->fmt->num_planes;
else
*nplanes = 1;
for (i = 0; i < *nplanes; i++)
sizes[i] = q_data->sizeimage[i];
}
mtk_v4l2_vdec_dbg(1, ctx,
"[%d]\t type = %d, get %d plane(s), %d buffer(s) of size 0x%x 0x%x ",
ctx->id, vq->type, *nplanes, *nbuffers, sizes[0], sizes[1]);
return 0;
}
int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb)
{
struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct mtk_q_data *q_data;
int i;
mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) id=%d",
ctx->id, vb->vb2_queue->type, vb->index);
q_data = mtk_vdec_get_q_data(ctx, vb->vb2_queue->type);
for (i = 0; i < q_data->fmt->num_planes; i++) {
if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
mtk_v4l2_vdec_err(ctx, "data will not fit into plane %d (%lu < %d)",
i, vb2_plane_size(vb, i), q_data->sizeimage[i]);
return -EINVAL;
}
if (!V4L2_TYPE_IS_OUTPUT(vb->type))
vb2_set_plane_payload(vb, i, q_data->sizeimage[i]);
}
return 0;
}
void vb2ops_vdec_buf_finish(struct vb2_buffer *vb)
{
struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct vb2_v4l2_buffer *vb2_v4l2;
struct mtk_video_dec_buf *buf;
bool buf_error;
vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, m2m_buf.vb);
mutex_lock(&ctx->lock);
if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
buf->queued_in_v4l2 = false;
buf->queued_in_vb2 = false;
}
buf_error = buf->error;
mutex_unlock(&ctx->lock);
if (buf_error) {
mtk_v4l2_vdec_err(ctx, "Unrecoverable error on buffer.");
ctx->state = MTK_STATE_ABORT;
}
}
int vb2ops_vdec_buf_init(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb,
struct vb2_v4l2_buffer, vb2_buf);
struct mtk_video_dec_buf *buf = container_of(vb2_v4l2,
struct mtk_video_dec_buf, m2m_buf.vb);
if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
buf->used = false;
buf->queued_in_v4l2 = false;
}
return 0;
}
int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
if (ctx->state == MTK_STATE_FLUSH)
ctx->state = MTK_STATE_HEADER;
return 0;
}
void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
{
struct vb2_v4l2_buffer *src_buf = NULL, *dst_buf = NULL;
struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
int ret;
mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) state=(%x) ctx->decoded_frame_cnt=%d",
ctx->id, q->type, ctx->state, ctx->decoded_frame_cnt);
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
if (src_buf != &ctx->empty_flush_buf.vb) {
struct media_request *req =
src_buf->vb2_buf.req_obj.req;
v4l2_m2m_buf_done(src_buf,
VB2_BUF_STATE_ERROR);
if (req)
v4l2_ctrl_request_complete(req, &ctx->ctrl_hdl);
}
}
return;
}
if (ctx->state >= MTK_STATE_HEADER) {
/* Until STREAMOFF is called on the CAPTURE queue
* (acknowledging the event), the driver operates
* as if the resolution hasn't changed yet, i.e.
* VIDIOC_G_FMT< etc. return previous resolution.
* So we update picinfo here
*/
ctx->picinfo = ctx->last_decoded_picinfo;
mtk_v4l2_vdec_dbg(2, ctx,
"[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
ctx->id, ctx->last_decoded_picinfo.pic_w,
ctx->last_decoded_picinfo.pic_h,
ctx->picinfo.pic_w, ctx->picinfo.pic_h,
ctx->last_decoded_picinfo.buf_w,
ctx->last_decoded_picinfo.buf_h);
ret = ctx->dev->vdec_pdata->flush_decoder(ctx);
if (ret)
mtk_v4l2_vdec_err(ctx, "DecodeFinal failed, ret=%d", ret);
}
ctx->state = MTK_STATE_FLUSH;
while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
}
}
static void m2mops_vdec_device_run(void *priv)
{
struct mtk_vcodec_dec_ctx *ctx = priv;
struct mtk_vcodec_dec_dev *dev = ctx->dev;
queue_work(dev->decode_workqueue, &ctx->decode_work);
}
static int m2mops_vdec_job_ready(void *m2m_priv)
{
struct mtk_vcodec_dec_ctx *ctx = m2m_priv;
mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
if (ctx->state == MTK_STATE_ABORT)
return 0;
if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
(ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h))
return 0;
if (ctx->state != MTK_STATE_HEADER)
return 0;
return 1;
}
static void m2mops_vdec_job_abort(void *priv)
{
struct mtk_vcodec_dec_ctx *ctx = priv;
ctx->state = MTK_STATE_ABORT;
}
const struct v4l2_m2m_ops mtk_vdec_m2m_ops = {
.device_run = m2mops_vdec_device_run,
.job_ready = m2mops_vdec_job_ready,
.job_abort = m2mops_vdec_job_abort,
};
const struct v4l2_ioctl_ops mtk_vdec_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_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_qbuf = vidioc_vdec_qbuf,
.vidioc_dqbuf = vidioc_vdec_dqbuf,
.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_s_fmt_vid_cap_mplane = vidioc_vdec_s_fmt,
.vidioc_s_fmt_vid_out_mplane = vidioc_vdec_s_fmt,
.vidioc_g_fmt_vid_cap_mplane = vidioc_vdec_g_fmt,
.vidioc_g_fmt_vid_out_mplane = vidioc_vdec_g_fmt,
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_enum_fmt_vid_cap = vidioc_vdec_enum_fmt_vid_cap,
.vidioc_enum_fmt_vid_out = vidioc_vdec_enum_fmt_vid_out,
.vidioc_enum_framesizes = vidioc_enum_framesizes,
.vidioc_querycap = vidioc_vdec_querycap,
.vidioc_subscribe_event = vidioc_vdec_subscribe_evt,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
.vidioc_g_selection = vidioc_vdec_g_selection,
.vidioc_s_selection = vidioc_vdec_s_selection,
.vidioc_decoder_cmd = vidioc_decoder_cmd,
.vidioc_try_decoder_cmd = vidioc_try_decoder_cmd,
};
int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq)
{
struct mtk_vcodec_dec_ctx *ctx = priv;
int ret = 0;
mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
src_vq->drv_priv = ctx;
src_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
src_vq->ops = ctx->dev->vdec_pdata->vdec_vb2_ops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->lock = &ctx->dev->dev_mutex;
src_vq->dev = &ctx->dev->plat_dev->dev;
src_vq->allow_cache_hints = 1;
ret = vb2_queue_init(src_vq);
if (ret) {
mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(output)");
return ret;
}
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
dst_vq->drv_priv = ctx;
dst_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
dst_vq->ops = ctx->dev->vdec_pdata->vdec_vb2_ops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->lock = &ctx->dev->dev_mutex;
dst_vq->dev = &ctx->dev->plat_dev->dev;
dst_vq->allow_cache_hints = 1;
ret = vb2_queue_init(dst_vq);
if (ret)
mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(capture)");
return ret;
}
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