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media: staging: media: imx6-mipi-csi2: Add log_status core callback

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This prints all register values.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Alexander Stein 2023-05-02 16:09:02 +02:00 committed by Hans Verkuil
parent f93ff8b7dd
commit e75d25a0c9
1 changed files with 45 additions and 0 deletions
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45
drivers/staging/media/imx/imx6-mipi-csi2.c
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@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/of_graph.h>
#include <linux/platform_device.h>
#include <media/v4l2-common.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fwnode.h>
#include <media/v4l2-mc.h>
@ -564,6 +565,49 @@ static int csi2_registered(struct v4l2_subdev *sd)
V4L2_FIELD_NONE, NULL);
}
/* --------------- CORE OPS --------------- */
static int csi2_log_status(struct v4l2_subdev *sd)
{
struct csi2_dev *csi2 = sd_to_dev(sd);
v4l2_info(sd, "-----MIPI CSI status-----\n");
v4l2_info(sd, "VERSION: 0x%x\n",
readl(csi2->base + CSI2_VERSION));
v4l2_info(sd, "N_LANES: 0x%x\n",
readl(csi2->base + CSI2_N_LANES));
v4l2_info(sd, "PHY_SHUTDOWNZ: 0x%x\n",
readl(csi2->base + CSI2_PHY_SHUTDOWNZ));
v4l2_info(sd, "DPHY_RSTZ: 0x%x\n",
readl(csi2->base + CSI2_DPHY_RSTZ));
v4l2_info(sd, "RESETN: 0x%x\n",
readl(csi2->base + CSI2_RESETN));
v4l2_info(sd, "PHY_STATE: 0x%x\n",
readl(csi2->base + CSI2_PHY_STATE));
v4l2_info(sd, "DATA_IDS_1: 0x%x\n",
readl(csi2->base + CSI2_DATA_IDS_1));
v4l2_info(sd, "DATA_IDS_2: 0x%x\n",
readl(csi2->base + CSI2_DATA_IDS_2));
v4l2_info(sd, "ERR1: 0x%x\n",
readl(csi2->base + CSI2_ERR1));
v4l2_info(sd, "ERR2: 0x%x\n",
readl(csi2->base + CSI2_ERR2));
v4l2_info(sd, "MSK1: 0x%x\n",
readl(csi2->base + CSI2_MSK1));
v4l2_info(sd, "MSK2: 0x%x\n",
readl(csi2->base + CSI2_MSK2));
v4l2_info(sd, "PHY_TST_CTRL0: 0x%x\n",
readl(csi2->base + CSI2_PHY_TST_CTRL0));
v4l2_info(sd, "PHY_TST_CTRL1: 0x%x\n",
readl(csi2->base + CSI2_PHY_TST_CTRL1));
return 0;
}
static const struct v4l2_subdev_core_ops csi2_core_ops = {
.log_status = csi2_log_status,
};
static const struct media_entity_operations csi2_entity_ops = {
.link_setup = csi2_link_setup,
.link_validate = v4l2_subdev_link_validate,
@ -581,6 +625,7 @@ static const struct v4l2_subdev_pad_ops csi2_pad_ops = {
};
static const struct v4l2_subdev_ops csi2_subdev_ops = {
.core = &csi2_core_ops,
.video = &csi2_video_ops,
.pad = &csi2_pad_ops,
};