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

From: Yunfei Dong
Date: Tue May 30 2023 - 08:30:18 EST


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