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| author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2023-05-02 16:09:02 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-05-25 16:21:20 +0200 |
| commit | e75d25a0c9bea52d50894e3d72c9ab486f165ac9 (patch) | |
| tree | efcab09098eb0e93e97da498094a3643eaacad46 /drivers | |
| parent | f93ff8b7dd0c713feccfe7215651febb6de5bf68 (diff) | |
| download | lwn-e75d25a0c9bea52d50894e3d72c9ab486f165ac9.tar.gz lwn-e75d25a0c9bea52d50894e3d72c9ab486f165ac9.zip | |
media: staging: media: imx6-mipi-csi2: Add log_status core callback
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/media/imx/imx6-mipi-csi2.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/staging/media/imx/imx6-mipi-csi2.c b/drivers/staging/media/imx/imx6-mipi-csi2.c index c07994ea6e96..ab565b4e29ec 100644 --- a/drivers/staging/media/imx/imx6-mipi-csi2.c +++ b/drivers/staging/media/imx/imx6-mipi-csi2.c @@ -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, }; |