@@ -12,6 +12,7 @@ mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
vdec_vpu_if.o \
mtk_vcodec_dec.o \
mtk_vcodec_dec_stateful.o \
+ mtk_vcodec_dec_stateless.o \
mtk_vcodec_dec_pm.o \
mtk-vcodec-enc-y := venc/venc_vp8_if.o \
@@ -47,7 +47,14 @@ static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_ctx *ctx,
static int vidioc_try_decoder_cmd(struct file *file, void *priv,
struct v4l2_decoder_cmd *cmd)
{
- return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+
+ /* Use M2M stateless helper if relevant */
+ if (ctx->dev->vdec_pdata->uses_stateless_api)
+ return v4l2_m2m_ioctl_stateless_try_decoder_cmd(file, priv,
+ cmd);
+ else
+ return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
}
@@ -62,6 +69,10 @@ static int vidioc_decoder_cmd(struct file *file, void *priv,
if (ret)
return ret;
+ /* Use M2M stateless helper if relevant */
+ if (ctx->dev->vdec_pdata->uses_stateless_api)
+ return v4l2_m2m_ioctl_stateless_decoder_cmd(file, priv, cmd);
+
mtk_v4l2_debug(1, "decoder cmd=%u", cmd->cmd);
dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
@@ -401,7 +412,8 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
* Setting OUTPUT format after OUTPUT buffers are allocated is invalid
* if using the stateful API.
*/
- if ((f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
+ 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_err("out_q_ctx buffers already requested");
ret = -EBUSY;
@@ -444,6 +456,7 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
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) {
@@ -455,6 +468,48 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
}
}
+ /*
+ * 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;
+
+ ret = vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo);
+ if (ret) {
+ mtk_v4l2_err("[%d]Error!! Get GET_PARAM_PICTURE_INFO Fail",
+ ctx->id);
+ return -EINVAL;
+ }
+
+ 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_debug(2, "[%d] vdec_if_init() num_plane = %d wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=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;
}
@@ -746,9 +801,14 @@ void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
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)
+ 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;
}
@@ -44,6 +44,7 @@ struct vdec_fb {
* queue yet
* @error: An unrecoverable error occurs on this buffer.
* @frame_buffer: Decode status, and buffer information of Capture buffer
+ * @bs_buffer: Output buffer info
*
* Note : These status information help us track and debug buffer state
*/
@@ -54,11 +55,16 @@ struct mtk_video_dec_buf {
bool queued_in_vb2;
bool queued_in_v4l2;
bool error;
- struct vdec_fb frame_buffer;
+
+ union {
+ struct vdec_fb frame_buffer;
+ struct mtk_vcodec_mem bs_buffer;
+ };
};
extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops;
extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops;
+extern const struct media_device_ops mtk_vcodec_media_ops;
/*
new file mode 100644
@@ -0,0 +1,360 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <media/videobuf2-v4l2.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-mem2mem.h>
+#include <linux/module.h>
+
+#include "mtk_vcodec_drv.h"
+#include "mtk_vcodec_dec.h"
+#include "mtk_vcodec_intr.h"
+#include "mtk_vcodec_util.h"
+#include "mtk_vcodec_dec_pm.h"
+#include "vdec_drv_if.h"
+
+/**
+ * struct mtk_stateless_control - CID control type
+ * @cfg: control configuration
+ * @codec_type: codec type (V4L2 pixel format) for CID control type
+ */
+struct mtk_stateless_control {
+ struct v4l2_ctrl_config cfg;
+ int codec_type;
+};
+
+static const struct mtk_stateless_control mtk_stateless_controls[] = {
+ {
+ .cfg = {
+ .id = V4L2_CID_STATELESS_H264_SPS,
+ },
+ .codec_type = V4L2_PIX_FMT_H264_SLICE,
+ },
+ {
+ .cfg = {
+ .id = V4L2_CID_STATELESS_H264_PPS,
+ },
+ .codec_type = V4L2_PIX_FMT_H264_SLICE,
+ },
+ {
+ .cfg = {
+ .id = V4L2_CID_STATELESS_H264_SCALING_MATRIX,
+ },
+ .codec_type = V4L2_PIX_FMT_H264_SLICE,
+ },
+ {
+ .cfg = {
+ .id = V4L2_CID_STATELESS_H264_DECODE_PARAMS,
+ },
+ .codec_type = V4L2_PIX_FMT_H264_SLICE,
+ },
+ {
+ .cfg = {
+ .id = V4L2_CID_MPEG_VIDEO_H264_PROFILE,
+ .def = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN,
+ .max = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
+ .menu_skip_mask =
+ BIT(V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
+ BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
+ },
+ .codec_type = V4L2_PIX_FMT_H264_SLICE,
+ },
+ {
+ .cfg = {
+ .id = V4L2_CID_STATELESS_H264_DECODE_MODE,
+ .min = V4L2_STATELESS_H264_DECODE_MODE_FRAME_BASED,
+ .def = V4L2_STATELESS_H264_DECODE_MODE_FRAME_BASED,
+ .max = V4L2_STATELESS_H264_DECODE_MODE_FRAME_BASED,
+ },
+ .codec_type = V4L2_PIX_FMT_H264_SLICE,
+ },
+ {
+ .cfg = {
+ .id = V4L2_CID_STATELESS_H264_START_CODE,
+ .min = V4L2_STATELESS_H264_START_CODE_ANNEX_B,
+ .def = V4L2_STATELESS_H264_START_CODE_ANNEX_B,
+ .max = V4L2_STATELESS_H264_START_CODE_ANNEX_B,
+ },
+ .codec_type = V4L2_PIX_FMT_H264_SLICE,
+ }
+};
+
+#define NUM_CTRLS ARRAY_SIZE(mtk_stateless_controls)
+
+static const struct mtk_video_fmt mtk_video_formats[] = {
+ {
+ .fourcc = V4L2_PIX_FMT_H264_SLICE,
+ .type = MTK_FMT_DEC,
+ .num_planes = 1,
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_MM21,
+ .type = MTK_FMT_FRAME,
+ .num_planes = 2,
+ },
+};
+
+#define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
+#define DEFAULT_OUT_FMT_IDX 0
+#define DEFAULT_CAP_FMT_IDX 1
+
+static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = {
+ {
+ .fourcc = V4L2_PIX_FMT_H264_SLICE,
+ .stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
+ MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
+ },
+};
+
+#define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_vdec_framesizes)
+
+static void mtk_vdec_stateless_set_dst_payload(struct mtk_vcodec_ctx *ctx,
+ struct vdec_fb *fb)
+{
+ struct mtk_video_dec_buf *vdec_frame_buf =
+ container_of(fb, struct mtk_video_dec_buf, frame_buffer);
+ struct vb2_v4l2_buffer *vb = &vdec_frame_buf->m2m_buf.vb;
+ unsigned int cap_y_size = ctx->q_data[MTK_Q_DATA_DST].sizeimage[0];
+
+ vb2_set_plane_payload(&vb->vb2_buf, 0, cap_y_size);
+ if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) {
+ unsigned int cap_c_size =
+ ctx->q_data[MTK_Q_DATA_DST].sizeimage[1];
+
+ vb2_set_plane_payload(&vb->vb2_buf, 1, cap_c_size);
+ }
+}
+
+static struct vdec_fb *vdec_get_cap_buffer(struct mtk_vcodec_ctx *ctx,
+ struct vb2_v4l2_buffer *vb2_v4l2)
+{
+ struct mtk_video_dec_buf *framebuf =
+ container_of(vb2_v4l2, struct mtk_video_dec_buf, m2m_buf.vb);
+ struct vdec_fb *pfb = &framebuf->frame_buffer;
+ struct vb2_buffer *dst_buf = &vb2_v4l2->vb2_buf;
+
+ pfb = &framebuf->frame_buffer;
+ pfb->base_y.va = NULL;
+ pfb->base_y.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
+ pfb->base_y.size = ctx->q_data[MTK_Q_DATA_DST].sizeimage[0];
+
+ if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) {
+ pfb->base_c.va = NULL;
+ pfb->base_c.dma_addr =
+ vb2_dma_contig_plane_dma_addr(dst_buf, 1);
+ pfb->base_c.size = ctx->q_data[MTK_Q_DATA_DST].sizeimage[1];
+ }
+ mtk_v4l2_debug(1, "id=%d Framebuf pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx frame_count = %d",
+ dst_buf->index, pfb, pfb->base_y.va, &pfb->base_y.dma_addr,
+ &pfb->base_c.dma_addr, pfb->base_y.size, ctx->decoded_frame_cnt);
+
+ return pfb;
+}
+
+static void vb2ops_vdec_buf_request_complete(struct vb2_buffer *vb)
+{
+ struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+
+ v4l2_ctrl_request_complete(vb->req_obj.req, &ctx->ctrl_hdl);
+}
+
+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_v4l2_buffer *vb2_v4l2_src, *vb2_v4l2_dst;
+ struct vb2_buffer *vb2_src;
+ struct mtk_vcodec_mem *bs_src;
+ struct mtk_video_dec_buf *dec_buf_src;
+ struct media_request *src_buf_req;
+ struct vdec_fb *dst_buf;
+ bool res_chg = false;
+ int ret;
+
+ vb2_v4l2_src = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
+ if (!vb2_v4l2_src) {
+ v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
+ mtk_v4l2_debug(1, "[%d] no available source buffer", ctx->id);
+ return;
+ }
+
+ vb2_v4l2_dst = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+ if (!vb2_v4l2_dst) {
+ v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
+ mtk_v4l2_debug(1, "[%d] no available destination buffer", ctx->id);
+ return;
+ }
+
+ vb2_src = &vb2_v4l2_src->vb2_buf;
+ dec_buf_src = container_of(vb2_v4l2_src, struct mtk_video_dec_buf,
+ m2m_buf.vb);
+ bs_src = &dec_buf_src->bs_buffer;
+
+ mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p", ctx->id,
+ vb2_src->vb2_queue->type, vb2_src->index, vb2_src);
+
+ bs_src->va = NULL;
+ bs_src->dma_addr = vb2_dma_contig_plane_dma_addr(vb2_src, 0);
+ bs_src->size = (size_t)vb2_src->planes[0].bytesused;
+
+ mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
+ ctx->id, bs_src->va, &bs_src->dma_addr, bs_src->size, vb2_src);
+ /* Apply request controls. */
+ src_buf_req = vb2_src->req_obj.req;
+ if (src_buf_req)
+ v4l2_ctrl_request_setup(src_buf_req, &ctx->ctrl_hdl);
+ else
+ mtk_v4l2_err("vb2 buffer media request is NULL");
+
+ dst_buf = vdec_get_cap_buffer(ctx, vb2_v4l2_dst);
+ v4l2_m2m_buf_copy_metadata(vb2_v4l2_src, vb2_v4l2_dst, true);
+ ret = vdec_if_decode(ctx, bs_src, dst_buf, &res_chg);
+ if (ret) {
+ mtk_v4l2_err(" <===[%d], src_buf[%d] sz=0x%zx pts=%llu vdec_if_decode() ret=%d res_chg=%d===>",
+ ctx->id, vb2_src->index, bs_src->size,
+ vb2_src->timestamp, ret, res_chg);
+ if (ret == -EIO) {
+ mutex_lock(&ctx->lock);
+ dec_buf_src->error = true;
+ mutex_unlock(&ctx->lock);
+ }
+ }
+
+ mtk_vdec_stateless_set_dst_payload(ctx, dst_buf);
+
+ v4l2_m2m_buf_done_and_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx,
+ ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
+
+ v4l2_ctrl_request_complete(src_buf_req, &ctx->ctrl_hdl);
+}
+
+static void vb2ops_vdec_stateless_buf_queue(struct vb2_buffer *vb)
+{
+ struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+ struct vb2_v4l2_buffer *vb2_v4l2 = to_vb2_v4l2_buffer(vb);
+
+ mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p", ctx->id, vb->vb2_queue->type, vb->index, vb);
+
+ mutex_lock(&ctx->lock);
+ v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
+ mutex_unlock(&ctx->lock);
+ if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ return;
+
+ /* If an OUTPUT buffer, we may need to update the state */
+ if (ctx->state == MTK_STATE_INIT) {
+ ctx->state = MTK_STATE_HEADER;
+ mtk_v4l2_debug(1, "Init driver from init to header.");
+ } else {
+ mtk_v4l2_debug(3, "[%d] already init driver %d", ctx->id, ctx->state);
+ }
+}
+
+static int mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
+{
+ bool res_chg;
+
+ return vdec_if_decode(ctx, NULL, NULL, &res_chg);
+}
+
+static int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
+{
+ unsigned int i;
+
+ v4l2_ctrl_handler_init(&ctx->ctrl_hdl, NUM_CTRLS);
+ if (ctx->ctrl_hdl.error) {
+ mtk_v4l2_err("v4l2_ctrl_handler_init failed\n");
+ return ctx->ctrl_hdl.error;
+ }
+
+ for (i = 0; i < NUM_CTRLS; i++) {
+ struct v4l2_ctrl_config cfg = mtk_stateless_controls[i].cfg;
+
+ v4l2_ctrl_new_custom(&ctx->ctrl_hdl, &cfg, NULL);
+ if (ctx->ctrl_hdl.error) {
+ mtk_v4l2_err("Adding control %d failed %d", i, ctx->ctrl_hdl.error);
+ return ctx->ctrl_hdl.error;
+ }
+ }
+
+ v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
+
+ return 0;
+}
+
+static int fops_media_request_validate(struct media_request *mreq)
+{
+ const unsigned int buffer_cnt = vb2_request_buffer_cnt(mreq);
+
+ switch (buffer_cnt) {
+ case 1:
+ /* We expect exactly one buffer with the request */
+ break;
+ case 0:
+ mtk_v4l2_debug(1, "No buffer provided with the request");
+ return -ENOENT;
+ default:
+ mtk_v4l2_debug(1, "Too many buffers (%d) provided with the request",
+ buffer_cnt);
+ return -EINVAL;
+ }
+
+ return vb2_request_validate(mreq);
+}
+
+const struct media_device_ops mtk_vcodec_media_ops = {
+ .req_validate = fops_media_request_validate,
+ .req_queue = v4l2_m2m_request_queue,
+};
+
+static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
+{
+ struct vb2_queue *src_vq;
+
+ src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
+ V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+
+ /* Support request api for output plane */
+ src_vq->supports_requests = true;
+ src_vq->requires_requests = true;
+}
+
+static int vb2ops_vdec_out_buf_validate(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+ vbuf->field = V4L2_FIELD_NONE;
+ return 0;
+}
+
+static struct vb2_ops mtk_vdec_request_vb2_ops = {
+ .queue_setup = vb2ops_vdec_queue_setup,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .start_streaming = vb2ops_vdec_start_streaming,
+ .stop_streaming = vb2ops_vdec_stop_streaming,
+
+ .buf_queue = vb2ops_vdec_stateless_buf_queue,
+ .buf_out_validate = vb2ops_vdec_out_buf_validate,
+ .buf_init = vb2ops_vdec_buf_init,
+ .buf_prepare = vb2ops_vdec_buf_prepare,
+ .buf_finish = vb2ops_vdec_buf_finish,
+ .buf_request_complete = vb2ops_vdec_buf_request_complete,
+};
+
+const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata = {
+ .chip = MTK_MT8183,
+ .init_vdec_params = mtk_init_vdec_params,
+ .ctrls_setup = mtk_vcodec_dec_ctrls_setup,
+ .vdec_vb2_ops = &mtk_vdec_request_vb2_ops,
+ .vdec_formats = mtk_video_formats,
+ .num_formats = NUM_FORMATS,
+ .default_out_fmt = &mtk_video_formats[DEFAULT_OUT_FMT_IDX],
+ .default_cap_fmt = &mtk_video_formats[DEFAULT_CAP_FMT_IDX],
+ .vdec_framesizes = mtk_vdec_framesizes,
+ .num_framesizes = NUM_SUPPORTED_FRAMESIZE,
+ .uses_stateless_api = true,
+ .worker = mtk_vdec_worker,
+ .flush_decoder = mtk_vdec_flush_decoder,
+};
@@ -253,6 +253,7 @@ struct vdec_pic_info {
* @empty_flush_buf: a fake size-0 capture buffer that indicates flush. Only
* to be used with encoder and stateful decoder.
* @is_flushing: set to true if flushing is in progress.
+ * @current_codec: current set input codec, in V4L2 pixel format
*
* @colorspace: enum v4l2_colorspace; supplemental to pixelformat
* @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
@@ -294,6 +295,8 @@ struct mtk_vcodec_ctx {
struct v4l2_m2m_buffer empty_flush_buf;
bool is_flushing;
+ u32 current_codec;
+
enum v4l2_colorspace colorspace;
enum v4l2_ycbcr_encoding ycbcr_enc;
enum v4l2_quantization quantization;