int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, int command,
unsigned int timeout_ms)
{
wait_queue_head_t *waitqueue;
long timeout_jiff, ret;
int status = 0;
waitqueue = (wait_queue_head_t *)&ctx->queue;
timeout_jiff = msecs_to_jiffies(timeout_ms);
ret = wait_event_interruptible_timeout(*waitqueue,
(ctx->int_cond &&
(ctx->int_type == command)),
timeout_jiff);
if (!ret) {
status = -1; /* timeout */
mtk_v4l2_err("[%d] cmd=%d, ctx->type=%d, wait_event_interruptible_timeout time=%ums out %d %d!",
ctx->id, ctx->type, command, timeout_ms,
ctx->int_cond, ctx->int_type);
} else if (-ERESTARTSYS == ret) {
mtk_v4l2_err("[%d] cmd=%d, ctx->type=%d, wait_event_interruptible_timeout interrupted by a signal %d %d",
ctx->id, ctx->type, command, ctx->int_cond,
ctx->int_type);
status = -1;
}
ctx->int_cond = 0;
ctx->int_type = 0;
return status;
}
static int mtk_venc_encode_header(void *priv)
{
struct mtk_vcodec_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_debug(1, "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_debug(1,
"[%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) {
dst_buf->vb2_buf.planes[0].bytesused = 0;
ctx->state = MTK_STATE_ABORT;
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
mtk_v4l2_err("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_err("No timestamp for the header buffer.");
}
ctx->state = MTK_STATE_HEADER;
dst_buf->vb2_buf.planes[0].bytesused = enc_result.bs_size;
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
return 0;
}
void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx)
{
int ret = venc_if_deinit(ctx);
if (ret)
mtk_v4l2_err("venc_if_deinit failed=%d", ret);
ctx->state = MTK_STATE_FREE;
}
void __iomem *mtk_vcodec_get_reg_addr(struct mtk_vcodec_ctx *data,
unsigned int reg_idx)
{
struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
if (!data || reg_idx >= NUM_MAX_VCODEC_REG_BASE) {
mtk_v4l2_err("Invalid arguments, reg_idx=%d", reg_idx);
return NULL;
}
return ctx->dev->reg_base[reg_idx];
}
static int mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx)
{
unsigned int dpbsize = 0;
int ret;
if (vdec_if_get_param(ctx,
GET_PARAM_PIC_INFO,
&ctx->last_decoded_picinfo)) {
mtk_v4l2_err("[%d]Error!! Cannot get param : GET_PARAM_PICTURE_INFO ERR",
ctx->id);
return -EINVAL;
}
if (ctx->last_decoded_picinfo.pic_w == 0 ||
ctx->last_decoded_picinfo.pic_h == 0 ||
ctx->last_decoded_picinfo.buf_w == 0 ||
ctx->last_decoded_picinfo.buf_h == 0) {
mtk_v4l2_err("Cannot get correct pic info");
return -EINVAL;
}
if ((ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w) ||
(ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h))
return 0;
mtk_v4l2_debug(1,
"[%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 = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
if (dpbsize == 0)
mtk_v4l2_err("Incorrect dpb size, ret=%d", ret);
ctx->dpb_size = dpbsize;
return ret;
}
static int vidioc_venc_dqbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
ctx->id);
return -EIO;
}
return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
}
static int vidioc_try_decoder_cmd(struct file *file, void *priv,
struct v4l2_decoder_cmd *cmd)
{
switch (cmd->cmd) {
case V4L2_DEC_CMD_STOP:
case V4L2_DEC_CMD_START:
if (cmd->flags != 0) {
mtk_v4l2_err("cmd->flags=%u", cmd->flags);
return -EINVAL;
}
break;
default:
return -EINVAL;
}
return 0;
}
static void mtk_venc_set_param(struct mtk_vcodec_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_err("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_debug(0,
"fmt 0x%x, P/L %d/%d, w/h %d/%d, buf %d/%d, fps/bps %d/%d, gop %d, i_period %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_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;
struct mtk_video_fmt *fmt;
fmt = mtk_vdec_find_format(f);
if (!fmt) {
f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
fmt = mtk_vdec_find_format(f);
}
if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
mtk_v4l2_err("sizeimage of output format must be given");
return -EINVAL;
}
return vidioc_try_fmt(f, fmt);
}
static int vb2ops_venc_buf_prepare(struct vb2_buffer *vb)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct mtk_q_data *q_data;
int i;
q_data = mtk_venc_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_err("data will not fit into plane %d (%lu < %d)",
i, vb2_plane_size(vb, i),
q_data->sizeimage[i]);
return -EINVAL;
}
}
return 0;
}
int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
{
const struct v4l2_ctrl_ops *ops = &mtk_vcodec_enc_ctrl_ops;
struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE,
1, 4000000, 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,
0, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL,
V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
if (handler->error) {
mtk_v4l2_err("Init control handler fail %d",
handler->error);
return handler->error;
}
v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
return 0;
}
/*
* This function tries to clean all display buffers, the buffers will return
* in display order.
* Note the buffers returned from codec driver may still be in driver's
* reference list.
*/
static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_ctx *ctx)
{
struct vdec_fb *disp_frame_buffer = NULL;
struct mtk_video_dec_buf *dstbuf;
mtk_v4l2_debug(3, "[%d]", ctx->id);
if (vdec_if_get_param(ctx,
GET_PARAM_DISP_FRAME_BUFFER,
&disp_frame_buffer)) {
mtk_v4l2_err("[%d]Cannot get param : GET_PARAM_DISP_FRAME_BUFFER",
ctx->id);
return NULL;
}
if (disp_frame_buffer == NULL) {
mtk_v4l2_debug(3, "No display frame buffer");
return NULL;
}
dstbuf = container_of(disp_frame_buffer, struct mtk_video_dec_buf,
frame_buffer);
mutex_lock(&ctx->lock);
if (dstbuf->used) {
vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 0,
ctx->picinfo.y_bs_sz);
vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 1,
ctx->picinfo.c_bs_sz);
dstbuf->ready_to_display = true;
mtk_v4l2_debug(2,
"[%d]status=%x queue id=%d to done_list %d",
ctx->id, disp_frame_buffer->status,
dstbuf->vb.vb2_buf.index,
dstbuf->queued_in_vb2);
v4l2_m2m_buf_done(&dstbuf->vb, VB2_BUF_STATE_DONE);
ctx->decoded_frame_cnt++;
}
mutex_unlock(&ctx->lock);
return &dstbuf->vb.vb2_buf;
}
static 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_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_err("vq->type=%d err\n", vq->type);
return -EINVAL;
}
if (*nplanes) {
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 = 2;
else
*nplanes = 1;
for (i = 0; i < *nplanes; i++)
sizes[i] = q_data->sizeimage[i];
}
mtk_v4l2_debug(1,
"[%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;
}
void mtk_vcodec_mem_free(struct mtk_vcodec_ctx *data,
struct mtk_vcodec_mem *mem)
{
unsigned long size = mem->size;
struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
struct device *dev = &ctx->dev->plat_dev->dev;
if (!mem->va) {
mtk_v4l2_err("%s dma_free size=%ld failed!", dev_name(dev),
size);
return;
}
mtk_v4l2_debug(3, "[%d] - va = %p", ctx->id, mem->va);
mtk_v4l2_debug(3, "[%d] - dma = 0x%lx", ctx->id,
(unsigned long)mem->dma_addr);
mtk_v4l2_debug(3, "[%d] size = 0x%lx", ctx->id, size);
dma_free_coherent(dev, size, mem->va, mem->dma_addr);
mem->va = NULL;
mem->dma_addr = 0;
mem->size = 0;
}
static void mtk_vdec_queue_res_chg_event(struct mtk_vcodec_ctx *ctx)
{
static const struct v4l2_event ev_src_ch = {
.type = V4L2_EVENT_SOURCE_CHANGE,
.u.src_change.changes =
V4L2_EVENT_SRC_CH_RESOLUTION,
};
mtk_v4l2_debug(1, "[%d]", ctx->id);
v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
}
static void mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
{
bool res_chg;
int ret = 0;
ret = vdec_if_decode(ctx, NULL, NULL, &res_chg);
if (ret)
mtk_v4l2_err("DecodeFinal failed, ret=%d", ret);
clean_display_buffer(ctx);
clean_free_buffer(ctx);
}
static void vb2ops_venc_stop_streaming(struct vb2_queue *q)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
struct vb2_v4l2_buffer *src_buf, *dst_buf;
int ret;
mtk_v4l2_debug(2, "[%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))) {
dst_buf->vb2_buf.planes[0].bytesused = 0;
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
}
} else {
while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx)))
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
}
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_debug(1, "[%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_err("venc_if_deinit failed=%d", ret);
ctx->state = MTK_STATE_FREE;
}
int mtk_vcodec_mem_alloc(struct mtk_vcodec_ctx *data,
struct mtk_vcodec_mem *mem)
{
unsigned long size = mem->size;
struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)data;
struct device *dev = &ctx->dev->plat_dev->dev;
mem->va = dma_alloc_coherent(dev, size, &mem->dma_addr, GFP_KERNEL);
if (!mem->va) {
mtk_v4l2_err("%s dma_alloc size=%ld failed!", dev_name(dev),
size);
return -ENOMEM;
}
memset(mem->va, 0, size);
mtk_v4l2_debug(3, "[%d] - va = %p", ctx->id, mem->va);
mtk_v4l2_debug(3, "[%d] - dma = 0x%lx", ctx->id,
(unsigned long)mem->dma_addr);
mtk_v4l2_debug(3, "[%d] size = 0x%lx", ctx->id, size);
return 0;
}
static int mtk_venc_param_change(struct mtk_vcodec_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 =
container_of(vb2_v4l2, struct mtk_video_enc_buf, vb);
int ret = 0;
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_debug(1, "[%d] id=%d, change param br=%d",
ctx->id,
mtk_buf->vb.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_debug(1, "[%d] id=%d, change param fr=%d",
ctx->id,
mtk_buf->vb.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_debug(1, "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_debug(1, "[%d] id=%d, change param force I=%d",
ctx->id,
mtk_buf->vb.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_err("venc_if_set_param %d failed=%d",
mtk_buf->param_change, ret);
return -1;
}
return 0;
}
static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct mtk_vcodec_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_set_param;
}
/* 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_err("venc_if_set_param failed=%d", ret);
ctx->state = MTK_STATE_ABORT;
goto err_set_param;
}
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_err("venc_if_set_param failed=%d", ret);
ctx->state = MTK_STATE_ABORT;
goto err_set_param;
}
ctx->state = MTK_STATE_HEADER;
}
return 0;
err_set_param:
for (i = 0; i < q->num_buffers; ++i) {
if (q->bufs[i]->state == VB2_BUF_STATE_ACTIVE) {
mtk_v4l2_debug(0, "[%d] id=%d, type=%d, %d -> VB2_BUF_STATE_QUEUED",
ctx->id, i, q->type,
(int)q->bufs[i]->state);
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(q->bufs[i]),
VB2_BUF_STATE_QUEUED);
}
}
return ret;
}
/*
* This function tries to clean all capture buffers that are not used as
* reference buffers by codec driver any more
* In this case, we need re-queue buffer to vb2 buffer if user space
* already returns this buffer to v4l2 or this buffer is just the output of
* previous sps/pps/resolution change decode, or do nothing if user
* space still owns this buffer
*/
static struct vb2_buffer *get_free_buffer(struct mtk_vcodec_ctx *ctx)
{
struct mtk_video_dec_buf *dstbuf;
struct vdec_fb *free_frame_buffer = NULL;
if (vdec_if_get_param(ctx,
GET_PARAM_FREE_FRAME_BUFFER,
&free_frame_buffer)) {
mtk_v4l2_err("[%d] Error!! Cannot get param", ctx->id);
return NULL;
}
if (free_frame_buffer == NULL) {
mtk_v4l2_debug(3, " No free frame buffer");
return NULL;
}
mtk_v4l2_debug(3, "[%d] tmp_frame_addr = 0x%p",
ctx->id, free_frame_buffer);
dstbuf = container_of(free_frame_buffer, struct mtk_video_dec_buf,
frame_buffer);
mutex_lock(&ctx->lock);
if (dstbuf->used) {
if ((dstbuf->queued_in_vb2) &&
(dstbuf->queued_in_v4l2) &&
(free_frame_buffer->status == FB_ST_FREE)) {
/*
* After decode sps/pps or non-display buffer, we don't
* need to return capture buffer to user space, but
* just re-queue this capture buffer to vb2 queue.
* This reduce overheads that dq/q unused capture
* buffer. In this case, queued_in_vb2 = true.
*/
mtk_v4l2_debug(2,
"[%d]status=%x queue id=%d to rdy_queue %d",
ctx->id, free_frame_buffer->status,
dstbuf->vb.vb2_buf.index,
dstbuf->queued_in_vb2);
v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb);
} else if ((dstbuf->queued_in_vb2 == false) &&
(dstbuf->queued_in_v4l2 == true)) {
/*
* If buffer in v4l2 driver but not in vb2 queue yet,
* and we get this buffer from free_list, it means
* that codec driver do not use this buffer as
* reference buffer anymore. We should q buffer to vb2
* queue, so later work thread could get this buffer
* for decode. In this case, queued_in_vb2 = false
* means this buffer is not from previous decode
* output.
*/
mtk_v4l2_debug(2,
"[%d]status=%x queue id=%d to rdy_queue",
ctx->id, free_frame_buffer->status,
dstbuf->vb.vb2_buf.index);
v4l2_m2m_buf_queue(ctx->m2m_ctx, &dstbuf->vb);
dstbuf->queued_in_vb2 = true;
} else {
/*
* Codec driver do not need to reference this capture
* buffer and this buffer is not in v4l2 driver.
* Then we don't need to do any thing, just add log when
* we need to debug buffer flow.
* When this buffer q from user space, it could
* directly q to vb2 buffer
*/
mtk_v4l2_debug(3, "[%d]status=%x err queue id=%d %d %d",
ctx->id, free_frame_buffer->status,
dstbuf->vb.vb2_buf.index,
dstbuf->queued_in_vb2,
dstbuf->queued_in_v4l2);
}
dstbuf->used = false;
}
mutex_unlock(&ctx->lock);
return &dstbuf->vb.vb2_buf;
}
static int vidioc_venc_s_fmt_out(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct vb2_queue *vq;
struct mtk_q_data *q_data;
int ret, i;
struct mtk_video_fmt *fmt;
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq) {
mtk_v4l2_err("fail to get vq");
return -EINVAL;
}
if (vb2_is_busy(vq)) {
mtk_v4l2_err("queue busy");
return -EBUSY;
}
q_data = mtk_venc_get_q_data(ctx, f->type);
if (!q_data) {
mtk_v4l2_err("fail to get q data");
return -EINVAL;
}
fmt = mtk_venc_find_format(f);
if (!fmt) {
f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
fmt = mtk_venc_find_format(f);
}
pix_fmt_mp->height = clamp(pix_fmt_mp->height,
MTK_VENC_MIN_H,
MTK_VENC_MAX_H);
pix_fmt_mp->width = clamp(pix_fmt_mp->width,
MTK_VENC_MIN_W,
MTK_VENC_MAX_W);
q_data->visible_width = f->fmt.pix_mp.width;
q_data->visible_height = f->fmt.pix_mp.height;
q_data->fmt = fmt;
ret = vidioc_try_fmt(f, q_data->fmt);
if (ret)
return ret;
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_s_fmt_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct vb2_queue *vq;
struct mtk_q_data *q_data;
int i, ret;
struct mtk_video_fmt *fmt;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq) {
mtk_v4l2_err("fail to get vq");
return -EINVAL;
}
if (vb2_is_busy(vq)) {
mtk_v4l2_err("queue busy");
return -EBUSY;
}
q_data = mtk_venc_get_q_data(ctx, f->type);
if (!q_data) {
mtk_v4l2_err("fail to get q data");
return -EINVAL;
}
fmt = mtk_venc_find_format(f);
if (!fmt) {
f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
fmt = mtk_venc_find_format(f);
}
q_data->fmt = fmt;
ret = vidioc_try_fmt(f, q_data->fmt);
if (ret)
return ret;
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_err("venc_if_init failed=%d, codec type=%x",
ret, q_data->fmt->fourcc);
return -EBUSY;
}
ctx->state = MTK_STATE_INIT;
}
return 0;
}
static void mtk_vdec_worker(struct work_struct *work)
{
struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx,
decode_work);
struct mtk_vcodec_dev *dev = ctx->dev;
struct vb2_buffer *src_buf, *dst_buf;
struct mtk_vcodec_mem buf;
struct vdec_fb *pfb;
bool res_chg = false;
int ret;
struct mtk_video_dec_buf *dst_buf_info, *src_buf_info;
struct vb2_v4l2_buffer *dst_vb2_v4l2, *src_vb2_v4l2;
src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
if (src_buf == NULL) {
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
mtk_v4l2_debug(1, "[%d] src_buf empty!!", ctx->id);
return;
}
dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
if (dst_buf == NULL) {
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
mtk_v4l2_debug(1, "[%d] dst_buf empty!!", ctx->id);
return;
}
src_vb2_v4l2 = container_of(src_buf, struct vb2_v4l2_buffer, vb2_buf);
src_buf_info = container_of(src_vb2_v4l2, struct mtk_video_dec_buf, vb);
dst_vb2_v4l2 = container_of(dst_buf, struct vb2_v4l2_buffer, vb2_buf);
dst_buf_info = container_of(dst_vb2_v4l2, struct mtk_video_dec_buf, vb);
pfb = &dst_buf_info->frame_buffer;
pfb->base_y.va = vb2_plane_vaddr(dst_buf, 0);
pfb->base_y.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
pfb->base_y.size = ctx->picinfo.y_bs_sz + ctx->picinfo.y_len_sz;
pfb->base_c.va = vb2_plane_vaddr(dst_buf, 1);
pfb->base_c.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 1);
pfb->base_c.size = ctx->picinfo.c_bs_sz + ctx->picinfo.c_len_sz;
pfb->status = 0;
mtk_v4l2_debug(3, "===>[%d] vdec_if_decode() ===>", ctx->id);
mtk_v4l2_debug(3,
"id=%d Framebuf pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx",
dst_buf->index, pfb,
pfb->base_y.va, &pfb->base_y.dma_addr,
&pfb->base_c.dma_addr, pfb->base_y.size);
if (src_buf_info->lastframe) {
mtk_v4l2_debug(1, "Got empty flush input buffer.");
src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
/* update dst buf status */
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
mutex_lock(&ctx->lock);
dst_buf_info->used = false;
mutex_unlock(&ctx->lock);
vdec_if_decode(ctx, NULL, NULL, &res_chg);
clean_display_buffer(ctx);
vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 0, 0);
vb2_set_plane_payload(&dst_buf_info->vb.vb2_buf, 1, 0);
dst_vb2_v4l2->flags |= V4L2_BUF_FLAG_LAST;
v4l2_m2m_buf_done(&dst_buf_info->vb, VB2_BUF_STATE_DONE);
clean_free_buffer(ctx);
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
return;
}
buf.va = vb2_plane_vaddr(src_buf, 0);
buf.dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
buf.size = (size_t)src_buf->planes[0].bytesused;
if (!buf.va) {
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
mtk_v4l2_err("[%d] id=%d src_addr is NULL!!",
ctx->id, src_buf->index);
return;
}
mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
ctx->id, buf.va, &buf.dma_addr, buf.size, src_buf);
dst_buf_info->vb.vb2_buf.timestamp
= src_buf_info->vb.vb2_buf.timestamp;
dst_buf_info->vb.timecode
= src_buf_info->vb.timecode;
mutex_lock(&ctx->lock);
dst_buf_info->used = true;
mutex_unlock(&ctx->lock);
src_buf_info->used = true;
ret = vdec_if_decode(ctx, &buf, pfb, &res_chg);
if (ret) {
mtk_v4l2_err(
" <===[%d], src_buf[%d] sz=0x%zx pts=%llu dst_buf[%d] vdec_if_decode() ret=%d res_chg=%d===>",
ctx->id,
src_buf->index,
buf.size,
src_buf_info->vb.vb2_buf.timestamp,
dst_buf->index,
ret, res_chg);
src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_ERROR);
} else if (res_chg == false) {
/*
* we only return src buffer with VB2_BUF_STATE_DONE
* when decode success without resolution change
*/
src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
v4l2_m2m_buf_done(&src_buf_info->vb, VB2_BUF_STATE_DONE);
}
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
clean_display_buffer(ctx);
clean_free_buffer(ctx);
if (!ret && res_chg) {
mtk_vdec_pic_info_update(ctx);
/*
* On encountering a resolution change in the stream.
* The driver must first process and decode all
* remaining buffers from before the resolution change
* point, so call flush decode here
*/
mtk_vdec_flush_decoder(ctx);
/*
* After all buffers containing decoded frames from
* before the resolution change point ready to be
* dequeued on the CAPTURE queue, the driver sends a
* V4L2_EVENT_SOURCE_CHANGE event for source change
* type V4L2_EVENT_SRC_CH_RESOLUTION
*/
mtk_vdec_queue_res_chg_event(ctx);
}
v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
}
static int vidioc_vdec_s_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct v4l2_pix_format_mplane *pix_mp;
struct mtk_q_data *q_data;
int ret = 0;
struct mtk_video_fmt *fmt;
mtk_v4l2_debug(3, "[%d]", ctx->id);
q_data = mtk_vdec_get_q_data(ctx, f->type);
if (!q_data)
return -EINVAL;
pix_mp = &f->fmt.pix_mp;
if ((f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
mtk_v4l2_err("out_q_ctx buffers already requested");
ret = -EBUSY;
}
if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) {
mtk_v4l2_err("cap_q_ctx buffers already requested");
ret = -EBUSY;
}
fmt = mtk_vdec_find_format(f);
if (fmt == NULL) {
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
f->fmt.pix.pixelformat =
mtk_video_formats[OUT_FMT_IDX].fourcc;
fmt = mtk_vdec_find_format(f);
} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
f->fmt.pix.pixelformat =
mtk_video_formats[CAP_FMT_IDX].fourcc;
fmt = mtk_vdec_find_format(f);
}
}
q_data->fmt = fmt;
vidioc_try_fmt(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 = 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;
if (ctx->state == MTK_STATE_FREE) {
ret = vdec_if_init(ctx, q_data->fmt->fourcc);
if (ret) {
mtk_v4l2_err("[%d]: vdec_if_init() fail ret=%d",
ctx->id, ret);
return -EINVAL;
}
ctx->state = MTK_STATE_INIT;
}
}
return 0;
}
static int vidioc_vdec_g_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_ctx *ctx = fh_to_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_err("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.y_bs_sz +
ctx->picinfo.y_len_sz;
q_data->sizeimage[1] = ctx->picinfo.c_bs_sz +
ctx->picinfo.c_len_sz;
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;
/*
* 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_debug(1, "[%d] type=%d state=%d Format information could not be read, not ready yet!",
ctx->id, f->type, ctx->state);
}
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_ctx *ctx = container_of(work, struct mtk_vcodec_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);
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_debug(2,
"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);
dst_buf->vb2_buf.planes[0].bytesused = 0;
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
mtk_v4l2_err("venc_if_encode failed=%d", ret);
} else {
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
dst_buf->vb2_buf.planes[0].bytesused = enc_result.bs_size;
v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
mtk_v4l2_debug(2, "venc_if_encode bs size=%d",
enc_result.bs_size);
}
v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
mtk_v4l2_debug(1, "<=== 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);
}
