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/hevc-ctrls.h>
35 * union v4l2_ctrl_ptr - A pointer to a control value.
36 * @p_s32: Pointer to a 32-bit signed value.
37 * @p_s64: Pointer to a 64-bit signed value.
38 * @p_u8: Pointer to a 8-bit unsigned value.
39 * @p_u16: Pointer to a 16-bit unsigned value.
40 * @p_u32: Pointer to a 32-bit unsigned value.
91 * v4l2_ctrl_ptr_create() - Helper function to return a v4l2_ctrl_ptr from a
103 * struct v4l2_ctrl_ops - The control operations that the driver has to provide.
106 * for volatile (and usually read-only) controls such as a control
111 * the usual min/max/step checks are not sufficient.
113 * ctrl->handler->lock is held when these ops are called, so no
123 * struct v4l2_ctrl_type_ops - The control type operations that the driver
144 * typedef v4l2_ctrl_notify_fnc - typedef for a notify argument with a function
156 * struct v4l2_ctrl - The control structure.
177 * uses ctrl->val).
183 * @is_array: If set, then this control contains an N-dimensional array.
201 * @step: The control's step value for non-menu controls.
202 * @elems: The number of elements in the N-dimensional array.
213 * empty strings ("") correspond to non-existing menu items (this
217 * @qmenu_int: A 64-bit integer array for with integer menu items.
219 * :math:`ceil(\frac{maximum - minimum}{step}) + 1`.
294 * struct v4l2_ctrl_ref - The control reference.
297 * @next: Single-link list node for the hash.
300 * ``prepare_ext_ctrls`` function at ``v4l2-ctrl.c``.
318 * keep a sorted-by-control-ID list of all controls, while the next pointer
333 * struct v4l2_ctrl_handler - The control handler keeps track of all the
383 * struct v4l2_ctrl_config - Control configuration structure.
391 * @max: The control's maximum value.
392 * @step: The control's step value for non-menu controls.
405 * empty strings ("") correspond to non-existing menu items (this
420 s64 max; member
434 * v4l2_ctrl_fill - Fill in the control fields based on the control ID.
440 * @max: pointer for storing the maximum value for the control
446 * For non-standard controls it will only fill in the given arguments
450 * The contents of @min, @max, @step and @def may be modified depending on
460 s64 *min, s64 *max, u64 *step, s64 *def, u32 *flags);
464 * v4l2_ctrl_handler_init_class() - Initialize the control handler.
482 * error will also be stored in @hdl->error.
491 * v4l2_ctrl_handler_init - helper function to create a static struct
517 "(" #hdl ")->_lock"); \
526 * v4l2_ctrl_handler_free() - Free all controls owned by the handler and free
535 * v4l2_ctrl_lock() - Helper function to lock the handler
541 mutex_lock(ctrl->handler->lock); in v4l2_ctrl_lock()
545 * v4l2_ctrl_unlock() - Helper function to unlock the handler
551 mutex_unlock(ctrl->handler->lock); in v4l2_ctrl_unlock()
555 * __v4l2_ctrl_handler_setup() - Call the s_ctrl op for all controls belonging
561 * Button controls will be skipped, as are read-only controls.
568 * v4l2_ctrl_handler_setup() - Call the s_ctrl op for all controls belonging
572 * Button controls will be skipped, as are read-only controls.
579 * v4l2_ctrl_handler_log_status() - Log all controls owned by the handler.
594 * v4l2_ctrl_new_custom() - Allocate and initialize a new custom V4L2
599 * @priv: The control's driver-specific private data.
602 * and @hdl->error is set to the error code (if it wasn't set already).
609 * v4l2_ctrl_new_std() - Allocate and initialize a new standard V4L2 non-menu
616 * @max: The control's maximum value.
621 * ID is not known, then NULL is returned and @hdl->error is set to the
630 u32 id, s64 min, s64 max, u64 step,
634 * v4l2_ctrl_new_std_menu() - Allocate and initialize a new standard V4L2
640 * @max: The control's maximum value.
652 * If @id refers to a non-menu control, then this function will return NULL.
656 u32 id, u8 max, u64 mask, u8 def);
659 * v4l2_ctrl_new_std_menu_items() - Create a new standard V4L2 menu control
665 * @max: The control's maximum value.
681 u32 id, u8 max,
686 * v4l2_ctrl_new_std_compound() - Allocate and initialize a new standard V4L2
706 * v4l2_ctrl_new_int_menu() - Create a new standard V4L2 integer menu control.
711 * @max: The control's maximum value.
718 * If @id refers to a non-integer-menu control, then this function will
723 u32 id, u8 max, u8 def,
727 * typedef v4l2_ctrl_filter - Typedef to define the filter function to be
736 * v4l2_ctrl_add_handler() - Add all controls from handler @add to
749 * In case of an error @hdl->error will be set to the error code (if it
758 * v4l2_ctrl_radio_filter() - Standard filter for radio controls.
771 * v4l2_ctrl_cluster() - Mark all controls in the cluster as belonging
781 * v4l2_ctrl_auto_cluster() - Mark all controls in the cluster as belonging
782 * to that cluster and set it up for autofoo/foo-type handling.
794 * off (manual mode). Typical examples: autogain vs gain, auto-whitebalance vs
817 * v4l2_ctrl_find() - Find a control with the given ID.
828 * v4l2_ctrl_activate() - Make the control active or inactive.
842 * __v4l2_ctrl_grab() - Unlocked variant of v4l2_ctrl_grab.
858 * v4l2_ctrl_grab() - Mark the control as grabbed or not grabbed.
883 *__v4l2_ctrl_modify_range() - Unlocked variant of v4l2_ctrl_modify_range()
887 * @max: The control's maximum value.
902 s64 min, s64 max, u64 step, s64 def);
905 * v4l2_ctrl_modify_range() - Update the range of a control.
909 * @max: The control's maximum value.
924 s64 min, s64 max, u64 step, s64 def) in v4l2_ctrl_modify_range() argument
929 rval = __v4l2_ctrl_modify_range(ctrl, min, max, step, def); in v4l2_ctrl_modify_range()
936 * v4l2_ctrl_notify() - Function to set a notify callback for a control.
953 * v4l2_ctrl_get_name() - Get the name of the control
963 * v4l2_ctrl_get_menu() - Get the menu string array of the control
967 * This function returns the NULL-terminated menu string array name of the
973 * v4l2_ctrl_get_int_menu() - Get the integer menu array of the control
984 * v4l2_ctrl_g_ctrl() - Helper function to get the control's value from
991 * used from within the &v4l2_ctrl_ops functions.
998 * __v4l2_ctrl_s_ctrl() - Unlocked variant of v4l2_ctrl_s_ctrl().
1005 * allowing it to be used from within the &v4l2_ctrl_ops functions.
1012 * v4l2_ctrl_s_ctrl() - Helper function to set the control's value from
1019 * used from within the &v4l2_ctrl_ops functions.
1035 * v4l2_ctrl_g_ctrl_int64() - Helper function to get a 64-bit control's value
1042 * used from within the &v4l2_ctrl_ops functions.
1044 * This function is for 64-bit integer type controls only.
1049 * __v4l2_ctrl_s_ctrl_int64() - Unlocked variant of v4l2_ctrl_s_ctrl_int64().
1056 * allowing it to be used from within the &v4l2_ctrl_ops functions.
1058 * This function is for 64-bit integer type controls only.
1063 * v4l2_ctrl_s_ctrl_int64() - Helper function to set a 64-bit control's value
1071 * used from within the &v4l2_ctrl_ops functions.
1073 * This function is for 64-bit integer type controls only.
1087 * __v4l2_ctrl_s_ctrl_string() - Unlocked variant of v4l2_ctrl_s_ctrl_string().
1094 * allowing it to be used from within the &v4l2_ctrl_ops functions.
1101 * v4l2_ctrl_s_ctrl_string() - Helper function to set a control's string value
1109 * used from within the &v4l2_ctrl_ops functions.
1125 * __v4l2_ctrl_s_ctrl_compound() - Unlocked variant to set a compound control
1133 * locked, allowing it to be used from within the &v4l2_ctrl_ops functions.
1141 * v4l2_ctrl_s_ctrl_compound() - Helper function to set a compound control
1150 * cannot be used from within the &v4l2_ctrl_ops functions.
1173 /* Internal helper functions that deal with control events. */
1177 * v4l2_ctrl_replace - Function to be used as a callback to
1188 * v4l2_ctrl_merge - Function to be used as a callback to
1199 * v4l2_ctrl_log_status - helper function to implement %VIDIOC_LOG_STATUS ioctl
1211 * v4l2_ctrl_subscribe_event - Subscribes to an event
1224 * v4l2_ctrl_poll - function to be used as a callback to the poll()
1233 * v4l2_ctrl_request_setup - helper function to apply control values in a request
1240 * applying control values in a request is only applicable to memory-to-memory
1247 * v4l2_ctrl_request_complete - Complete a control handler request object
1264 * v4l2_ctrl_request_hdl_find - Find the control handler in the request
1285 * v4l2_ctrl_request_hdl_put - Put the control handler
1295 media_request_object_put(&hdl->req_obj); in v4l2_ctrl_request_hdl_put()
1299 * v4l2_ctrl_request_hdl_ctrl_find() - Find a control with the given ID.
1313 * v4l2_queryctrl - Helper function to implement
1319 * If hdl == NULL then they will all return -EINVAL.
1324 * v4l2_query_ext_ctrl - Helper function to implement
1330 * If hdl == NULL then they will all return -EINVAL.
1336 * v4l2_querymenu - Helper function to implement
1342 * If hdl == NULL then they will all return -EINVAL.
1347 * v4l2_g_ctrl - Helper function to implement
1353 * If hdl == NULL then they will all return -EINVAL.
1358 * v4l2_s_ctrl - Helper function to implement
1366 * If hdl == NULL then they will all return -EINVAL.
1372 * v4l2_g_ext_ctrls - Helper function to implement
1380 * If hdl == NULL then they will all return -EINVAL.
1386 * v4l2_try_ext_ctrls - Helper function to implement
1394 * If hdl == NULL then they will all return -EINVAL.
1402 * v4l2_s_ext_ctrls - Helper function to implement
1411 * If hdl == NULL then they will all return -EINVAL.
1419 * v4l2_ctrl_subdev_subscribe_event - Helper function to implement
1431 * v4l2_ctrl_subdev_log_status - Log all controls owned by subdev's control
1439 * v4l2_ctrl_new_fwnode_properties() - Register controls for the device
1451 * - V4L2_CID_CAMERA_ORIENTATION
1452 * - V4L2_CID_CAMERA_SENSOR_ROTATION;