[V14,04/15] mtk-jpegenc: add jpegenc timeout func interface

Irui Wang
2022-09-15T06:44:21Z

Generalizes jpegenc timeout func interfaces to handle HW timeout.

Signed-off-by: kyrie wu <kyrie.wu@mediatek.com>
Signed-off-by: irui wang <irui.wang@mediatek.com>
---
.../platform/mediatek/jpeg/mtk_jpeg_core.h | 10 ++++++++
.../platform/mediatek/jpeg/mtk_jpeg_enc_hw.c | 25 +++++++++++++++++++
2 files changed, 35 insertions(+)

diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
index 1e0ba466303b..98de83c9ea4c 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
@@ -75,6 +75,12 @@ struct mtk_jpeg_variant {
u32 cap_q_default_fourcc;
};

+struct mtk_jpeg_hw_param {
+ struct vb2_v4l2_buffer *src_buffer;
+ struct vb2_v4l2_buffer *dst_buffer;
+ struct mtk_jpeg_ctx *curr_ctx;
+};
+
enum mtk_jpegenc_hw_id {
MTK_JPEGENC_HW0,
MTK_JPEGENC_HW1,
@@ -99,6 +105,8 @@ struct mtk_jpegenc_clk {
* @master_dev: mtk_jpeg_dev device
* @venc_clk: jpeg encode clock
* @jpegenc_irq: jpeg encode irq num
+ * @job_timeout_work: encode timeout workqueue
+ * @hw_param: jpeg encode hw parameters
*/
struct mtk_jpegenc_comp_dev {
struct device *dev;
@@ -107,6 +115,8 @@ struct mtk_jpegenc_comp_dev {
struct mtk_jpeg_dev *master_dev;
struct mtk_jpegenc_clk venc_clk;
int jpegenc_irq;
+ struct delayed_work job_timeout_work;
+ struct mtk_jpeg_hw_param hw_param;
};

/**
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c
index 3dcf83d6d95e..95812f60ab9f 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c
@@ -185,6 +185,26 @@ void mtk_jpeg_set_enc_params(struct mtk_jpeg_ctx *ctx, void __iomem *base)
}
EXPORT_SYMBOL_GPL(mtk_jpeg_set_enc_params);

+static void mtk_jpegenc_timeout_work(struct work_struct *work)
+{
+ struct delayed_work *dly_work = to_delayed_work(work);
+ struct mtk_jpegenc_comp_dev *cjpeg =
+ container_of(dly_work,
+ struct mtk_jpegenc_comp_dev,
+ job_timeout_work);
+ enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
+ struct vb2_v4l2_buffer *src_buf, *dst_buf;
+
+ src_buf = cjpeg->hw_param.src_buffer;
+ dst_buf = cjpeg->hw_param.dst_buffer;
+ v4l2_m2m_buf_copy_metadata(src_buf, dst_buf, true);
+
+ mtk_jpeg_enc_reset(cjpeg->reg_base);
+ clk_disable_unprepare(cjpeg->venc_clk.clks->clk);
+ pm_runtime_put(cjpeg->dev);
+ v4l2_m2m_buf_done(src_buf, buf_state);
+}
+
static irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv)
{
struct vb2_v4l2_buffer *src_buf, *dst_buf;
@@ -196,6 +216,8 @@ static irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv)
struct mtk_jpegenc_comp_dev *jpeg = priv;
struct mtk_jpeg_dev *master_jpeg = jpeg->master_dev;

+ cancel_delayed_work(&jpeg->job_timeout_work);
+
irq_status = readl(jpeg->reg_base + JPEG_ENC_INT_STS) &
JPEG_ENC_INT_STATUS_MASK_ALLIRQ;
if (irq_status)
@@ -276,6 +298,9 @@ static int mtk_jpegenc_hw_probe(struct platform_device *pdev)
master_dev->enc_hw_dev[i] = NULL;
}

+ INIT_DELAYED_WORK(&dev->job_timeout_work,
+ mtk_jpegenc_timeout_work);
+
jpegenc_clk = &dev->venc_clk;

jpegenc_clk->clk_num = devm_clk_bulk_get_all(&pdev->dev,
--
2.18.0