[PATCH v6,5/8] media: mediatek: vcodec: Get each instance format type

[Yunfei Dong]

Adding echo command to get capture and output queue format
type of each instance:"echo '-format' > vdec", not current
hardware supported.

Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
 .../mediatek/vcodec/mtk_vcodec_dbgfs.c        | 48 +++++++++++++++++++
 .../mediatek/vcodec/mtk_vcodec_dbgfs.h        |  1 +
 2 files changed, 49 insertions(+)

diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c
index 5b6bd4c4de3b..09ca5dc2c22a 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c
@@ -10,6 +10,48 @@
 #include "mtk_vcodec_drv.h"
 #include "mtk_vcodec_util.h"
 
+static void mtk_vdec_dbgfs_get_format_type(struct mtk_vcodec_ctx *ctx, char *buf,
+					   int *used, int total)
+{
+	int curr_len;
+
+	switch (ctx->current_codec) {
+	case V4L2_PIX_FMT_H264_SLICE:
+		curr_len = snprintf(buf + *used, total - *used,
+				    "\toutput format: h264 slice\n");
+		break;
+	case V4L2_PIX_FMT_VP8_FRAME:
+		curr_len = snprintf(buf + *used, total - *used,
+				    "\toutput format: vp8 slice\n");
+		break;
+	case V4L2_PIX_FMT_VP9_FRAME:
+		curr_len = snprintf(buf + *used, total - *used,
+				    "\toutput format: vp9 slice\n");
+		break;
+	default:
+		curr_len = snprintf(buf + *used, total - *used,
+				    "\tunsupported output format: 0x%x\n",
+				    ctx->current_codec);
+	}
+	*used += curr_len;
+
+	switch (ctx->capture_fourcc) {
+	case V4L2_PIX_FMT_MM21:
+		curr_len = snprintf(buf + *used, total - *used,
+				    "\tcapture format: MM21\n");
+		break;
+	case V4L2_PIX_FMT_MT21C:
+		curr_len = snprintf(buf + *used, total - *used,
+				    "\tcapture format: MT21C\n");
+		break;
+	default:
+		curr_len = snprintf(buf + *used, total - *used,
+				    "\tunsupported capture format: 0x%x\n",
+				    ctx->capture_fourcc);
+	}
+	*used += curr_len;
+}
+
 static ssize_t mtk_vdec_dbgfs_write(struct file *filp, const char __user *ubuf,
 				    size_t count, loff_t *ppos)
 {
@@ -44,6 +86,9 @@ static ssize_t mtk_vdec_dbgfs_read(struct file *filp, char __user *ubuf,
 	if (strstr(dbgfs->dbgfs_buf, "-picinfo"))
 		dbgfs_index[MTK_VDEC_DBGFS_PICINFO] = true;
 
+	if (strstr(dbgfs->dbgfs_buf, "-format"))
+		dbgfs_index[MTK_VDEC_DBGFS_FORMAT] = true;
+
 	mutex_lock(&dbgfs->dbgfs_lock);
 	list_for_each_entry(dbgfs_inst, &dbgfs->dbgfs_head, node) {
 		ctx = dbgfs_inst->vcodec_ctx;
@@ -59,6 +104,9 @@ static ssize_t mtk_vdec_dbgfs_read(struct file *filp, char __user *ubuf,
 					    ctx->picinfo.buf_w, ctx->picinfo.buf_h);
 			used_len += curr_len;
 		}
+
+		if (dbgfs_index[MTK_VDEC_DBGFS_FORMAT])
+			mtk_vdec_dbgfs_get_format_type(ctx, buf, &used_len, total_len);
 	}
 	mutex_unlock(&dbgfs->dbgfs_lock);
 
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h
index 30d956b7227f..6fcb20cfcd91 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h
@@ -15,6 +15,7 @@ struct mtk_vcodec_ctx;
  */
 enum mtk_vdec_dbgfs_log_index {
 	MTK_VDEC_DBGFS_PICINFO,
+	MTK_VDEC_DBGFS_FORMAT,
 	MTK_VDEC_DBGFS_MAX,
 };
 
-- 
2.18.0