[PATCH v2, 9/9] media: mtk-jpegenc: Refactor jpegenc device run interface
kyrie.wu
kyrie.wu at mediatek.com
Wed Jun 30 00:27:59 PDT 2021
modify jpegenc device run func interface and add worker for encode
Signed-off-by: kyrie.wu <kyrie.wu at mediatek.com>
---
drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 109 ++++++++++++++++++++----
1 file changed, 94 insertions(+), 15 deletions(-)
diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index 0143baf8..190e405 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -985,38 +985,99 @@ static int mtk_jpeg_set_hw_param(struct mtk_jpeg_ctx *ctx,
return 0;
}
-static void mtk_jpeg_enc_device_run(void *priv)
+static void mtk_jpegenc_worker(struct work_struct *work)
{
- struct mtk_jpeg_ctx *ctx = priv;
+ struct mtk_jpeg_ctx *ctx = container_of(work, struct mtk_jpeg_ctx,
+ jpeg_work);
struct mtk_jpeg_dev *jpeg = ctx->jpeg;
+ struct mtk_jpeg_dev *comp_jpeg[MTK_JPEGENC_HW_MAX];
struct vb2_v4l2_buffer *src_buf, *dst_buf;
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
unsigned long flags;
- int ret;
+ struct mtk_jpeg_src_buf *jpeg_src_buf, *jpeg_dst_buf;
+ int ret, i, hw_id = 0;
+ atomic_t *hw_rdy[MTK_JPEGENC_HW_MAX];
+ struct clk *jpegenc_clk;
+
+ for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) {
+ comp_jpeg[i] = jpeg->hw_dev[i];
+ hw_rdy[i] = &comp_jpeg[i]->hw_rdy;
+ }
+
+retry_select:
+ hw_id = mtk_jpeg_select_hw(ctx);
+ if (hw_id < 0) {
+ ret = wait_event_interruptible(jpeg->hw_wq,
+ (atomic_read(hw_rdy[0]) ||
+ atomic_read(hw_rdy[1])) > 0);
+ if (ret != 0) {
+ dev_err(jpeg->dev, "all HW are busy\n");
+ v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
+ return;
+ }
+ dev_err(jpeg->dev, "NEW HW IDLE, please retry selcet!!!\n");
+ goto retry_select;
+ }
+ atomic_dec(&comp_jpeg[hw_id]->hw_rdy);
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+ if (!src_buf) {
+ dev_err(jpeg->dev, "get src_buf fail !!!\n");
+ goto getbuf_fail;
+ }
+
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
+ if (!dst_buf) {
+ dev_err(jpeg->dev, "get dst_buf fail !!!\n");
+ goto getbuf_fail;
+ }
- ret = pm_runtime_get_sync(jpeg->dev);
- if (ret < 0)
+ jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf);
+ jpeg_dst_buf = mtk_jpeg_vb2_to_srcbuf(&dst_buf->vb2_buf);
+
+ jpeg_src_buf->curr_ctx = ctx;
+ jpeg_src_buf->frame_num = ctx->total_frame_num;
+ jpeg_dst_buf->curr_ctx = ctx;
+ jpeg_dst_buf->frame_num = ctx->total_frame_num;
+ ctx->total_frame_num++;
+
+ v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+ v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
+
+ mtk_jpeg_set_hw_param(ctx, hw_id, src_buf, dst_buf);
+
+ ret = pm_runtime_get_sync(comp_jpeg[hw_id]->pm.dev);
+ if (ret < 0) {
+ dev_err(jpeg->dev, "pm_runtime_get_sync fail !!!\n");
goto enc_end;
+ }
- schedule_delayed_work(&jpeg->job_timeout_work,
- msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
+ jpegenc_clk = comp_jpeg[hw_id]->pm.venc_clk.clk_info->jpegenc_clk;
+ ret = clk_prepare_enable(jpegenc_clk);
+ if (ret) {
+ dev_err(jpeg->dev, "jpegenc clk_prepare_enable fail !!!\n");
+ goto enc_end;
+ }
- spin_lock_irqsave(&jpeg->hw_lock, flags);
+ schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work,
+ msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
/*
* Resetting the hardware every frame is to ensure that all the
* registers are cleared. This is a hardware requirement.
*/
- mtk_jpeg_enc_reset(jpeg->reg_base);
-
- mtk_jpeg_set_enc_src(ctx, jpeg->reg_base, &src_buf->vb2_buf);
- mtk_jpeg_set_enc_dst(ctx, jpeg->reg_base, &dst_buf->vb2_buf);
- mtk_jpeg_set_enc_params(ctx, jpeg->reg_base);
- mtk_jpeg_enc_start(jpeg->reg_base);
- spin_unlock_irqrestore(&jpeg->hw_lock, flags);
+ spin_lock_irqsave(&comp_jpeg[hw_id]->hw_lock, flags);
+ mtk_jpeg_enc_reset(comp_jpeg[hw_id]->reg_base[0]);
+ mtk_jpeg_set_enc_dst(ctx,
+ comp_jpeg[hw_id]->reg_base[0],
+ &dst_buf->vb2_buf);
+ mtk_jpeg_set_enc_src(ctx,
+ comp_jpeg[hw_id]->reg_base[0],
+ &src_buf->vb2_buf);
+ mtk_jpeg_set_enc_params(ctx, comp_jpeg[hw_id]->reg_base[0]);
+ mtk_jpeg_enc_start(comp_jpeg[hw_id]->reg_base[0]);
+ v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
+ spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags);
return;
enc_end:
@@ -1024,9 +1085,20 @@ static void mtk_jpeg_enc_device_run(void *priv)
v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, buf_state);
v4l2_m2m_buf_done(dst_buf, buf_state);
+getbuf_fail:
+ atomic_inc(&comp_jpeg[hw_id]->hw_rdy);
+ mtk_jpeg_deselect_hw(jpeg, hw_id);
v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
}
+static void mtk_jpeg_enc_device_run(void *priv)
+{
+ struct mtk_jpeg_ctx *ctx = priv;
+ struct mtk_jpeg_dev *jpeg = ctx->jpeg;
+
+ queue_work(jpeg->workqueue, &ctx->jpeg_work);
+}
+
static void mtk_jpeg_dec_device_run(void *priv)
{
struct mtk_jpeg_ctx *ctx = priv;
@@ -1419,6 +1491,11 @@ static int mtk_jpeg_open(struct file *file)
goto free;
}
+ if (jpeg->variant->is_encoder) {
+ INIT_WORK(&ctx->jpeg_work, mtk_jpegenc_worker);
+ INIT_LIST_HEAD(&ctx->dst_done_queue);
+ }
+
v4l2_fh_init(&ctx->fh, vfd);
file->private_data = &ctx->fh;
v4l2_fh_add(&ctx->fh);
@@ -1781,6 +1858,8 @@ static int mtk_jpeg_remove(struct platform_device *pdev)
v4l2_m2m_release(jpeg->m2m_dev);
v4l2_device_unregister(&jpeg->v4l2_dev);
mtk_jpeg_clk_release(jpeg);
+ flush_workqueue(jpeg->workqueue);
+ destroy_workqueue(jpeg->workqueue);
return 0;
}
--
2.6.4
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