diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ctrls.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls.c | 92 |
1 files changed, 78 insertions, 14 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 93d33d1db4e8..b188577db40f 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -9,14 +9,15 @@ #define pr_fmt(fmt) "v4l2-ctrls: " fmt #include <linux/ctype.h> +#include <linux/export.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/export.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> -#include <media/v4l2-event.h> #include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/v4l2-event.h> +#include <media/v4l2-fwnode.h> +#include <media/v4l2-ioctl.h> #define dprintk(vdev, fmt, arg...) do { \ if (!WARN_ON(!(vdev)) && ((vdev)->dev_debug & V4L2_DEV_DEBUG_CTRL)) \ @@ -336,6 +337,10 @@ const char * const *v4l2_ctrl_get_menu(u32 id) "4.2", "5", "5.1", + "5.2", + "6.0", + "6.1", + "6.2", NULL, }; static const char * const h264_loop_filter[] = { @@ -362,6 +367,7 @@ const char * const *v4l2_ctrl_get_menu(u32 id) "Scalable High Intra", "Stereo High", "Multiview High", + "Constrained High", NULL, }; static const char * const vui_sar_idc[] = { @@ -578,6 +584,12 @@ const char * const *v4l2_ctrl_get_menu(u32 id) "Annex B Start Code", NULL, }; + static const char * const camera_orientation[] = { + "Front", + "Back", + "External", + NULL, + }; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -703,6 +715,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return hevc_decode_mode; case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: return hevc_start_code; + case V4L2_CID_CAMERA_ORIENTATION: + return camera_orientation; default: return NULL; } @@ -1015,6 +1029,8 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_PAN_SPEED: return "Pan, Speed"; case V4L2_CID_TILT_SPEED: return "Tilt, Speed"; case V4L2_CID_UNIT_CELL_SIZE: return "Unit Cell Size"; + case V4L2_CID_CAMERA_ORIENTATION: return "Camera Orientation"; + case V4L2_CID_CAMERA_SENSOR_ROTATION: return "Camera Sensor Rotation"; /* FM Radio Modulator controls */ /* Keep the order of the 'case's the same as in v4l2-controls.h! */ @@ -1288,6 +1304,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_VIDEO_HEVC_LOOP_FILTER_MODE: case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: + case V4L2_CID_CAMERA_ORIENTATION: *type = V4L2_CTRL_TYPE_MENU; break; case V4L2_CID_LINK_FREQ: @@ -1477,6 +1494,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_RDS_RX_TRAFFIC_ANNOUNCEMENT: case V4L2_CID_RDS_RX_TRAFFIC_PROGRAM: case V4L2_CID_RDS_RX_MUSIC_SPEECH: + case V4L2_CID_CAMERA_ORIENTATION: + case V4L2_CID_CAMERA_SENSOR_ROTATION: *flags |= V4L2_CTRL_FLAG_READ_ONLY; break; case V4L2_CID_RF_TUNER_PLL_LOCK: @@ -3794,7 +3813,8 @@ s32 v4l2_ctrl_g_ctrl(struct v4l2_ctrl *ctrl) struct v4l2_ext_control c; /* It's a driver bug if this happens. */ - WARN_ON(!ctrl->is_int); + if (WARN_ON(!ctrl->is_int)) + return 0; c.value = 0; get_ctrl(ctrl, &c); return c.value; @@ -3806,7 +3826,8 @@ s64 v4l2_ctrl_g_ctrl_int64(struct v4l2_ctrl *ctrl) struct v4l2_ext_control c; /* It's a driver bug if this happens. */ - WARN_ON(ctrl->is_ptr || ctrl->type != V4L2_CTRL_TYPE_INTEGER64); + if (WARN_ON(ctrl->is_ptr || ctrl->type != V4L2_CTRL_TYPE_INTEGER64)) + return 0; c.value64 = 0; get_ctrl(ctrl, &c); return c.value64; @@ -4215,7 +4236,8 @@ int __v4l2_ctrl_s_ctrl(struct v4l2_ctrl *ctrl, s32 val) lockdep_assert_held(ctrl->handler->lock); /* It's a driver bug if this happens. */ - WARN_ON(!ctrl->is_int); + if (WARN_ON(!ctrl->is_int)) + return -EINVAL; ctrl->val = val; return set_ctrl(NULL, ctrl, 0); } @@ -4226,7 +4248,8 @@ int __v4l2_ctrl_s_ctrl_int64(struct v4l2_ctrl *ctrl, s64 val) lockdep_assert_held(ctrl->handler->lock); /* It's a driver bug if this happens. */ - WARN_ON(ctrl->is_ptr || ctrl->type != V4L2_CTRL_TYPE_INTEGER64); + if (WARN_ON(ctrl->is_ptr || ctrl->type != V4L2_CTRL_TYPE_INTEGER64)) + return -EINVAL; *ctrl->p_new.p_s64 = val; return set_ctrl(NULL, ctrl, 0); } @@ -4237,23 +4260,25 @@ int __v4l2_ctrl_s_ctrl_string(struct v4l2_ctrl *ctrl, const char *s) lockdep_assert_held(ctrl->handler->lock); /* It's a driver bug if this happens. */ - WARN_ON(ctrl->type != V4L2_CTRL_TYPE_STRING); + if (WARN_ON(ctrl->type != V4L2_CTRL_TYPE_STRING)) + return -EINVAL; strscpy(ctrl->p_new.p_char, s, ctrl->maximum + 1); return set_ctrl(NULL, ctrl, 0); } EXPORT_SYMBOL(__v4l2_ctrl_s_ctrl_string); -int __v4l2_ctrl_s_ctrl_area(struct v4l2_ctrl *ctrl, - const struct v4l2_area *area) +int __v4l2_ctrl_s_ctrl_compound(struct v4l2_ctrl *ctrl, + enum v4l2_ctrl_type type, const void *p) { lockdep_assert_held(ctrl->handler->lock); /* It's a driver bug if this happens. */ - WARN_ON(ctrl->type != V4L2_CTRL_TYPE_AREA); - *ctrl->p_new.p_area = *area; + if (WARN_ON(ctrl->type != type)) + return -EINVAL; + memcpy(ctrl->p_new.p, p, ctrl->elems * ctrl->elem_size); return set_ctrl(NULL, ctrl, 0); } -EXPORT_SYMBOL(__v4l2_ctrl_s_ctrl_area); +EXPORT_SYMBOL(__v4l2_ctrl_s_ctrl_compound); void v4l2_ctrl_request_complete(struct media_request *req, struct v4l2_ctrl_handler *main_hdl) @@ -4597,3 +4622,42 @@ __poll_t v4l2_ctrl_poll(struct file *file, struct poll_table_struct *wait) return 0; } EXPORT_SYMBOL(v4l2_ctrl_poll); + +int v4l2_ctrl_new_fwnode_properties(struct v4l2_ctrl_handler *hdl, + const struct v4l2_ctrl_ops *ctrl_ops, + const struct v4l2_fwnode_device_properties *p) +{ + if (p->orientation != V4L2_FWNODE_PROPERTY_UNSET) { + u32 orientation_ctrl; + + switch (p->orientation) { + case V4L2_FWNODE_ORIENTATION_FRONT: + orientation_ctrl = V4L2_CAMERA_ORIENTATION_FRONT; + break; + case V4L2_FWNODE_ORIENTATION_BACK: + orientation_ctrl = V4L2_CAMERA_ORIENTATION_BACK; + break; + case V4L2_FWNODE_ORIENTATION_EXTERNAL: + orientation_ctrl = V4L2_CAMERA_ORIENTATION_EXTERNAL; + break; + default: + return -EINVAL; + } + if (!v4l2_ctrl_new_std_menu(hdl, ctrl_ops, + V4L2_CID_CAMERA_ORIENTATION, + V4L2_CAMERA_ORIENTATION_EXTERNAL, 0, + orientation_ctrl)) + return hdl->error; + } + + if (p->rotation != V4L2_FWNODE_PROPERTY_UNSET) { + if (!v4l2_ctrl_new_std(hdl, ctrl_ops, + V4L2_CID_CAMERA_SENSOR_ROTATION, + p->rotation, p->rotation, 1, + p->rotation)) + return hdl->error; + } + + return hdl->error; +} +EXPORT_SYMBOL(v4l2_ctrl_new_fwnode_properties); |