[PATCH v2] media: venus : hfi: add venus image info into smem

Dikshita Agarwal
2021-03-26T06:34:46Z

Fill fw version info into smem to be printed as part of
soc info.

Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>

Changes since v1:
adressed comments from stephen.
removed unwanted code.
---
drivers/media/platform/qcom/venus/hfi_msgs.c | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_msgs.c b/drivers/media/platform/qcom/venus/hfi_msgs.c
index 06a1908..6b6d33c9 100644
--- a/drivers/media/platform/qcom/venus/hfi_msgs.c
+++ b/drivers/media/platform/qcom/venus/hfi_msgs.c
@@ -6,6 +6,7 @@
#include <linux/hash.h>
#include <linux/list.h>
#include <linux/slab.h>
+#include <linux/soc/qcom/smem.h>
#include <media/videobuf2-v4l2.h>

#include "core.h"
@@ -14,6 +15,10 @@
#include "hfi_msgs.h"
#include "hfi_parser.h"

+#define SMEM_IMG_VER_TBL 469
+#define VER_STR_SZ 128
+#define SMEM_IMG_INDEX_VENUS 14 * 128
+
static void event_seq_changed(struct venus_core *core, struct venus_inst *inst,
struct hfi_msg_event_notify_pkt *pkt)
{
@@ -239,15 +244,27 @@ static void
sys_get_prop_image_version(struct device *dev,
struct hfi_msg_sys_property_info_pkt *pkt)
{
+ size_t smem_blk_sz = 0;
+ u8 *smem_tbl_ptr;
+ u8 *img_ver;
int req_bytes;

req_bytes = pkt->hdr.size - sizeof(*pkt);

- if (req_bytes < 128 || !pkt->data[1] || pkt->num_properties > 1)
+ if (req_bytes < VER_STR_SZ || !pkt->data[1] || pkt->num_properties > 1)
/* bad packet */
return;

- dev_dbg(dev, VDBGL "F/W version: %s\n", (u8 *)&pkt->data[1]);
+ img_ver = (u8 *)&pkt->data[1];
+
+ dev_dbg(dev, VDBGL "F/W version: %s\n", img_ver);
+
+ smem_tbl_ptr = qcom_smem_get(QCOM_SMEM_HOST_ANY,
+ SMEM_IMG_VER_TBL, &smem_blk_sz);
+ if ((SMEM_IMG_INDEX_VENUS + VER_STR_SZ) <= smem_blk_sz &&
+ smem_tbl_ptr)
+ memcpy(smem_tbl_ptr + SMEM_IMG_INDEX_VENUS,
+ img_ver, VER_STR_SZ);
}

static void hfi_sys_property_info(struct venus_core *core,
--
2.7.4