Lines Matching +full:compound +full:- +full:device
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
14 #include <media/media-request.h>
17 * Include the stateless codec compound control definitions.
20 #include <media/mpeg2-ctrls.h>
21 #include <media/fwht-ctrls.h>
22 #include <media/h264-ctrls.h>
23 #include <media/vp8-ctrls.h>
24 #include <media/hevc-ctrls.h>
39 * union v4l2_ctrl_ptr - A pointer to a control value.
40 * @p_s32: Pointer to a 32-bit signed value.
41 * @p_s64: Pointer to a 64-bit signed value.
42 * @p_u8: Pointer to a 8-bit unsigned value.
43 * @p_u16: Pointer to a 16-bit unsigned value.
44 * @p_u32: Pointer to a 32-bit unsigned value.
60 * @p: Pointer to a compound value.
61 * @p_const: Pointer to a constant compound value.
89 * v4l2_ctrl_ptr_create() - Helper function to return a v4l2_ctrl_ptr from a
101 * struct v4l2_ctrl_ops - The control operations that the driver has to provide.
104 * for volatile (and usually read-only) controls such as a control
111 * ctrl->handler->lock is held when these ops are called, so no
121 * struct v4l2_ctrl_type_ops - The control type operations that the driver
142 * typedef v4l2_ctrl_notify_fnc - typedef for a notify argument with a function
154 * struct v4l2_ctrl - The control structure.
175 * uses ctrl->val).
181 * @is_array: If set, then this control contains an N-dimensional array.
199 * @step: The control's step value for non-menu controls.
200 * @elems: The number of elements in the N-dimensional array.
211 * empty strings ("") correspond to non-existing menu items (this
215 * @qmenu_int: A 64-bit integer array for with integer menu items.
217 * :math:`ceil(\frac{maximum - minimum}{step}) + 1`.
231 * through a pointer (for compound controls only).
292 * struct v4l2_ctrl_ref - The control reference.
295 * @next: Single-link list node for the hash.
298 * ``prepare_ext_ctrls`` function at ``v4l2-ctrl.c``.
300 * device than the &struct v4l2_ctrl_handler.
316 * keep a sorted-by-control-ID list of all controls, while the next pointer
331 * struct v4l2_ctrl_handler - The control handler keeps track of all the
381 * struct v4l2_ctrl_config - Control configuration structure.
384 * @type_ops: The control type ops. Only needed for compound controls.
390 * @step: The control's step value for non-menu controls.
392 * @p_def: The control's default value for compound controls.
403 * empty strings ("") correspond to non-existing menu items (this
432 * v4l2_ctrl_fill - Fill in the control fields based on the control ID.
444 * For non-standard controls it will only fill in the given arguments
462 * v4l2_ctrl_handler_init_class() - Initialize the control handler.
480 * error will also be stored in @hdl->error.
489 * v4l2_ctrl_handler_init - helper function to create a static struct
515 "(" #hdl ")->_lock"); \
524 * v4l2_ctrl_handler_free() - Free all controls owned by the handler and free
533 * v4l2_ctrl_lock() - Helper function to lock the handler
539 mutex_lock(ctrl->handler->lock); in v4l2_ctrl_lock()
543 * v4l2_ctrl_unlock() - Helper function to unlock the handler
549 mutex_unlock(ctrl->handler->lock); in v4l2_ctrl_unlock()
553 * __v4l2_ctrl_handler_setup() - Call the s_ctrl op for all controls belonging
559 * Button controls will be skipped, as are read-only controls.
566 * v4l2_ctrl_handler_setup() - Call the s_ctrl op for all controls belonging
570 * Button controls will be skipped, as are read-only controls.
577 * v4l2_ctrl_handler_log_status() - Log all controls owned by the handler.
592 * v4l2_ctrl_new_custom() - Allocate and initialize a new custom V4L2
597 * @priv: The control's driver-specific private data.
600 * and @hdl->error is set to the error code (if it wasn't set already).
607 * v4l2_ctrl_new_std() - Allocate and initialize a new standard V4L2 non-menu
619 * ID is not known, then NULL is returned and @hdl->error is set to the
632 * v4l2_ctrl_new_std_menu() - Allocate and initialize a new standard V4L2
650 * If @id refers to a non-menu control, then this function will return NULL.
657 * v4l2_ctrl_new_std_menu_items() - Create a new standard V4L2 menu control
684 * v4l2_ctrl_new_std_compound() - Allocate and initialize a new standard V4L2
685 * compound control.
692 * Sames as v4l2_ctrl_new_std(), but with support to compound controls, thanks
695 * compound control should be all zeroes.
704 * v4l2_ctrl_new_int_menu() - Create a new standard V4L2 integer menu control.
716 * If @id refers to a non-integer-menu control, then this function will
725 * typedef v4l2_ctrl_filter - Typedef to define the filter function to be
734 * v4l2_ctrl_add_handler() - Add all controls from handler @add to
742 * device than @hdl.
747 * In case of an error @hdl->error will be set to the error code (if it
756 * v4l2_ctrl_radio_filter() - Standard filter for radio controls.
760 * This will return true for any controls that are valid for radio device
769 * v4l2_ctrl_cluster() - Mark all controls in the cluster as belonging
779 * v4l2_ctrl_auto_cluster() - Mark all controls in the cluster as belonging
780 * to that cluster and set it up for autofoo/foo-type handling.
792 * off (manual mode). Typical examples: autogain vs gain, auto-whitebalance vs
815 * v4l2_ctrl_find() - Find a control with the given ID.
826 * v4l2_ctrl_activate() - Make the control active or inactive.
840 * __v4l2_ctrl_grab() - Unlocked variant of v4l2_ctrl_grab.
856 * v4l2_ctrl_grab() - Mark the control as grabbed or not grabbed.
881 *__v4l2_ctrl_modify_range() - Unlocked variant of v4l2_ctrl_modify_range()
903 * v4l2_ctrl_modify_range() - Update the range of a control.
934 * v4l2_ctrl_notify() - Function to set a notify callback for a control.
951 * v4l2_ctrl_get_name() - Get the name of the control
961 * v4l2_ctrl_get_menu() - Get the menu string array of the control
965 * This function returns the NULL-terminated menu string array name of the
971 * v4l2_ctrl_get_int_menu() - Get the integer menu array of the control
982 * v4l2_ctrl_g_ctrl() - Helper function to get the control's value from
996 * __v4l2_ctrl_s_ctrl() - Unlocked variant of v4l2_ctrl_s_ctrl().
1010 * v4l2_ctrl_s_ctrl() - Helper function to set the control's value from
1033 * v4l2_ctrl_g_ctrl_int64() - Helper function to get a 64-bit control's value
1042 * This function is for 64-bit integer type controls only.
1047 * __v4l2_ctrl_s_ctrl_int64() - Unlocked variant of v4l2_ctrl_s_ctrl_int64().
1056 * This function is for 64-bit integer type controls only.
1061 * v4l2_ctrl_s_ctrl_int64() - Helper function to set a 64-bit control's value
1071 * This function is for 64-bit integer type controls only.
1085 * __v4l2_ctrl_s_ctrl_string() - Unlocked variant of v4l2_ctrl_s_ctrl_string().
1099 * v4l2_ctrl_s_ctrl_string() - Helper function to set a control's string value
1123 * __v4l2_ctrl_s_ctrl_compound() - Unlocked variant to set a compound control
1127 * @p: The new compound payload.
1129 * This sets the control's new compound payload safely by going through the
1133 * This function is for compound type controls only.
1139 * v4l2_ctrl_s_ctrl_compound() - Helper function to set a compound control
1144 * @p: The new compound payload.
1146 * This sets the control's new compound payload safely by going through the
1150 * This function is for compound type controls only.
1175 * v4l2_ctrl_replace - Function to be used as a callback to
1186 * v4l2_ctrl_merge - Function to be used as a callback to
1197 * v4l2_ctrl_log_status - helper function to implement %VIDIOC_LOG_STATUS ioctl
1209 * v4l2_ctrl_subscribe_event - Subscribes to an event
1222 * v4l2_ctrl_poll - function to be used as a callback to the poll()
1231 * v4l2_ctrl_request_setup - helper function to apply control values in a request
1238 * applying control values in a request is only applicable to memory-to-memory
1245 * v4l2_ctrl_request_complete - Complete a control handler request object
1262 * v4l2_ctrl_request_hdl_find - Find the control handler in the request
1283 * v4l2_ctrl_request_hdl_put - Put the control handler
1293 media_request_object_put(&hdl->req_obj); in v4l2_ctrl_request_hdl_put()
1297 * v4l2_ctrl_request_ctrl_find() - Find a control with the given ID.
1311 * v4l2_queryctrl - Helper function to implement
1317 * If hdl == NULL then they will all return -EINVAL.
1322 * v4l2_query_ext_ctrl - Helper function to implement
1328 * If hdl == NULL then they will all return -EINVAL.
1334 * v4l2_querymenu - Helper function to implement
1340 * If hdl == NULL then they will all return -EINVAL.
1345 * v4l2_g_ctrl - Helper function to implement
1351 * If hdl == NULL then they will all return -EINVAL.
1356 * v4l2_s_ctrl - Helper function to implement
1364 * If hdl == NULL then they will all return -EINVAL.
1370 * v4l2_g_ext_ctrls - Helper function to implement
1378 * If hdl == NULL then they will all return -EINVAL.
1384 * v4l2_try_ext_ctrls - Helper function to implement
1392 * If hdl == NULL then they will all return -EINVAL.
1400 * v4l2_s_ext_ctrls - Helper function to implement
1409 * If hdl == NULL then they will all return -EINVAL.
1417 * v4l2_ctrl_subdev_subscribe_event - Helper function to implement
1429 * v4l2_ctrl_subdev_log_status - Log all controls owned by subdev's control
1437 * v4l2_ctrl_new_fwnode_properties() - Register controls for the device
1444 * This function registers controls associated to device properties, using the
1449 * - V4L2_CID_CAMERA_ORIENTATION
1450 * - V4L2_CID_CAMERA_SENSOR_ROTATION;