Lines Matching +full:max +full:- +full:functions
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
14 #include <media/media-request.h>
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.
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
109 * the usual min/max/step checks are not sufficient.
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`.
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``.
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.
389 * @max: The control's maximum value.
390 * @step: The control's step value for non-menu controls.
403 * empty strings ("") correspond to non-existing menu items (this
418 s64 max; member
432 * v4l2_ctrl_fill - Fill in the control fields based on the control ID.
438 * @max: pointer for storing the maximum value for the control
444 * For non-standard controls it will only fill in the given arguments
448 * The contents of @min, @max, @step and @def may be modified depending on
458 s64 *min, s64 *max, u64 *step, s64 *def, u32 *flags);
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
614 * @max: The control's maximum value.
619 * ID is not known, then NULL is returned and @hdl->error is set to the
628 u32 id, s64 min, s64 max, u64 step,
632 * v4l2_ctrl_new_std_menu() - Allocate and initialize a new standard V4L2
638 * @max: The control's maximum value.
650 * If @id refers to a non-menu control, then this function will return NULL.
654 u32 id, u8 max, u64 mask, u8 def);
657 * v4l2_ctrl_new_std_menu_items() - Create a new standard V4L2 menu control
663 * @max: The control's maximum value.
679 u32 id, u8 max,
684 * v4l2_ctrl_new_std_compound() - Allocate and initialize a new standard V4L2
704 * v4l2_ctrl_new_int_menu() - Create a new standard V4L2 integer menu control.
709 * @max: The control's maximum value.
716 * If @id refers to a non-integer-menu control, then this function will
721 u32 id, u8 max, u8 def,
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
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.
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()
885 * @max: The control's maximum value.
900 s64 min, s64 max, u64 step, s64 def);
903 * v4l2_ctrl_modify_range() - Update the range of a control.
907 * @max: The control's maximum value.
922 s64 min, s64 max, u64 step, s64 def) in v4l2_ctrl_modify_range() argument
927 rval = __v4l2_ctrl_modify_range(ctrl, min, max, step, def); in v4l2_ctrl_modify_range()
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
989 * used from within the &v4l2_ctrl_ops functions.
996 * __v4l2_ctrl_s_ctrl() - Unlocked variant of v4l2_ctrl_s_ctrl().
1003 * allowing it to be used from within the &v4l2_ctrl_ops functions.
1010 * v4l2_ctrl_s_ctrl() - Helper function to set the control's value from
1017 * used from within the &v4l2_ctrl_ops functions.
1033 * v4l2_ctrl_g_ctrl_int64() - Helper function to get a 64-bit control's value
1040 * used from within the &v4l2_ctrl_ops functions.
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().
1054 * allowing it to be used from within the &v4l2_ctrl_ops functions.
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
1069 * used from within the &v4l2_ctrl_ops functions.
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().
1092 * allowing it to be used from within the &v4l2_ctrl_ops functions.
1099 * v4l2_ctrl_s_ctrl_string() - Helper function to set a control's string value
1107 * used from within the &v4l2_ctrl_ops functions.
1123 * __v4l2_ctrl_s_ctrl_compound() - Unlocked variant to set a compound control
1131 * locked, allowing it to be used from within the &v4l2_ctrl_ops functions.
1139 * v4l2_ctrl_s_ctrl_compound() - Helper function to set a compound control
1148 * cannot be used from within the &v4l2_ctrl_ops functions.
1171 /* Internal helper functions that deal with control events. */
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
1449 * - V4L2_CID_CAMERA_ORIENTATION
1450 * - V4L2_CID_CAMERA_SENSOR_ROTATION;