[PATCH V4, 3/5] media: mtk-jpegenc: add jpegenc timeout func interface

[kyrie.wu]

Generalizes jpegenc timeout func interfaces to handle HW timeout.

Signed-off-by: kyrie.wu <kyrie.wu at mediatek.com>
---
 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h   |  8 ++++++++
 drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c | 23 +++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
index 9793ccb..0689bcb 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
+++ b/drivers/media/platform/mtk-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,
@@ -120,6 +126,8 @@ struct mtk_jpegenc_comp_dev {
 	struct mtk_jpeg_dev *master_dev;
 	struct mtk_jpegenc_pm pm;
 	int jpegenc_irq;
+	struct delayed_work job_timeout_work;
+	struct mtk_jpeg_hw_param hw_param;
 };
 
 /**
diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c
index cf8a706..c3feb3a0 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_enc_hw.c
@@ -271,6 +271,25 @@ void mtk_jpegenc_release_pm(struct mtk_jpegenc_comp_dev *mtkdev)
 	pm_runtime_disable(&pdev->dev);
 }
 
+static void mtk_jpegenc_timeout_work(struct work_struct *work)
+{
+	struct delayed_work *Pwork =
+		container_of(work, struct delayed_work, work);
+	struct mtk_jpegenc_comp_dev *cjpeg =
+		container_of(Pwork, struct mtk_jpegenc_comp_dev,
+		job_timeout_work);
+	struct vb2_v4l2_buffer *src_buf;
+	enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
+
+	src_buf = cjpeg->hw_param.src_buffer;
+
+	mtk_jpeg_enc_reset(cjpeg->reg_base);
+	clk_disable_unprepare(cjpeg->pm.venc_clk.clk_info->jpegenc_clk);
+	pm_runtime_put(cjpeg->pm.dev);
+
+	v4l2_m2m_buf_done(src_buf, buf_state);
+}
+
 static irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv)
 {
 	struct mtk_jpegenc_comp_dev *jpeg = priv;
@@ -281,6 +300,8 @@ static irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv)
 	enum vb2_buffer_state buf_state;
 	u32 result_size;
 
+	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)
@@ -344,6 +365,8 @@ static int mtk_jpegenc_hw_probe(struct platform_device *pdev)
 
 	dev->plat_dev = pdev;
 
+	INIT_DELAYED_WORK(&dev->job_timeout_work, mtk_jpegenc_timeout_work);
+
 	ret = mtk_jpegenc_init_pm(dev);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to get jpeg enc clock source");
-- 
2.6.4