Commit e75d25a0 authored by Alexander Stein's avatar Alexander Stein Committed by Hans Verkuil
Browse files

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



This prints all register values.

Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
parent f93ff8b7

drivers/staging/media/imx/imx6-mipi-csi2.c

+45 −0
Original line number Diff line number Diff line
@@ -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,

};