[PATCH v5] media: venus : hfi: add venus image info into smem

From: Dikshita Agarwal
Date: Mon Apr 12 2021 - 04:05:39 EST


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

Signed-off-by: Dikshita Agarwal <dikshita@xxxxxxxxxxxxxx>
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
---
drivers/media/platform/Kconfig | 2 +-
drivers/media/platform/qcom/venus/hfi_msgs.c | 20 ++++++++++++++++++--
2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index fd1831e..9c75e88 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -543,7 +543,7 @@ config VIDEO_TI_VPE_DEBUG

config VIDEO_QCOM_VENUS
tristate "Qualcomm Venus V4L2 encoder/decoder driver"
- depends on VIDEO_DEV && VIDEO_V4L2
+ depends on VIDEO_DEV && VIDEO_V4L2 && QCOM_SMEM
depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST
select QCOM_MDT_LOADER if ARCH_QCOM
select QCOM_SCM if ARCH_QCOM
diff --git a/drivers/media/platform/qcom/venus/hfi_msgs.c b/drivers/media/platform/qcom/venus/hfi_msgs.c
index 06a1908..9f856a6 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_OFFSET_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 +244,26 @@ static void
sys_get_prop_image_version(struct device *dev,
struct hfi_msg_sys_property_info_pkt *pkt)
{
+ u8 *smem_tbl_ptr;
+ u8 *img_ver;
int req_bytes;
+ size_t smem_blk_sz;

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_tbl_ptr && smem_blk_sz >= SMEM_IMG_OFFSET_VENUS + VER_STR_SZ)
+ memcpy(smem_tbl_ptr + SMEM_IMG_OFFSET_VENUS,
+ img_ver, VER_STR_SZ);
}

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