Lines Matching +full:compound +full:- +full:device
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
14 #include <media/media-request.h>
29 * union v4l2_ctrl_ptr - A pointer to a control value.
30 * @p_s32: Pointer to a 32-bit signed value.
31 * @p_s64: Pointer to a 64-bit signed value.
32 * @p_u8: Pointer to a 8-bit unsigned value.
33 * @p_u16: Pointer to a 16-bit unsigned value.
34 * @p_u32: Pointer to a 32-bit unsigned value.
59 * @p: Pointer to a compound value.
60 * @p_const: Pointer to a constant compound value.
97 * v4l2_ctrl_ptr_create() - Helper function to return a v4l2_ctrl_ptr from a
109 * struct v4l2_ctrl_ops - The control operations that the driver has to provide.
112 * for volatile (and usually read-only) controls such as a control
119 * ctrl->handler->lock is held when these ops are called, so no
129 * struct v4l2_ctrl_type_ops - The control type operations that the driver
132 * @equal: return true if all ctrl->elems array elements are equal.
133 * @init: initialize the value for array elements from from_idx to ctrl->elems.
135 * @validate: validate the value for ctrl->new_elems array elements.
148 * typedef v4l2_ctrl_notify_fnc - typedef for a notify argument with a function
160 * struct v4l2_ctrl - The control structure.
181 * uses ctrl->val).
187 * @is_array: If set, then this control contains an N-dimensional array.
188 * @is_dyn_array: If set, then this control contains a dynamically sized 1-dimensional array.
207 * @step: The control's step value for non-menu controls.
208 * @elems: The number of elements in the N-dimensional array.
222 * empty strings ("") correspond to non-existing menu items (this
226 * @qmenu_int: A 64-bit integer array for with integer menu items.
228 * :math:`ceil(\frac{maximum - minimum}{step}) + 1`.
247 * through a pointer (for compound controls only).
312 * struct v4l2_ctrl_ref - The control reference.
315 * @next: Single-link list node for the hash.
318 * ``prepare_ext_ctrls`` function at ``v4l2-ctrl.c``.
320 * device than the &struct v4l2_ctrl_handler.
329 * result in ENOMEM. Only valid if ctrl->is_array is true.
331 * array. Only valid if @p_req_valid and ctrl->is_array are
334 * ctrl->elems, except for dynamic arrays. In that case it is in
346 * keep a sorted-by-control-ID list of all controls, while the next pointer
364 * struct v4l2_ctrl_handler - The control handler keeps track of all the
414 * struct v4l2_ctrl_config - Control configuration structure.
417 * @type_ops: The control type ops. Only needed for compound controls.
423 * @step: The control's step value for non-menu controls.
425 * @p_def: The control's default value for compound controls.
436 * empty strings ("") correspond to non-existing menu items (this
465 * v4l2_ctrl_fill - Fill in the control fields based on the control ID.
477 * For non-standard controls it will only fill in the given arguments
495 * v4l2_ctrl_handler_init_class() - Initialize the control handler.
513 * error will also be stored in @hdl->error.
522 * v4l2_ctrl_handler_init - helper function to create a static struct
548 "(" #hdl ")->_lock"); \
557 * v4l2_ctrl_handler_free() - Free all controls owned by the handler and free
566 * v4l2_ctrl_lock() - Helper function to lock the handler
572 mutex_lock(ctrl->handler->lock); in v4l2_ctrl_lock()
576 * v4l2_ctrl_unlock() - Helper function to unlock the handler
582 mutex_unlock(ctrl->handler->lock); in v4l2_ctrl_unlock()
586 * __v4l2_ctrl_handler_setup() - Call the s_ctrl op for all controls belonging
592 * Button controls will be skipped, as are read-only controls.
599 * v4l2_ctrl_handler_setup() - Call the s_ctrl op for all controls belonging
603 * Button controls will be skipped, as are read-only controls.
610 * v4l2_ctrl_handler_log_status() - Log all controls owned by the handler.
625 * v4l2_ctrl_new_custom() - Allocate and initialize a new custom V4L2
630 * @priv: The control's driver-specific private data.
633 * and @hdl->error is set to the error code (if it wasn't set already).
640 * v4l2_ctrl_new_std() - Allocate and initialize a new standard V4L2 non-menu
652 * ID is not known, then NULL is returned and @hdl->error is set to the
665 * v4l2_ctrl_new_std_menu() - Allocate and initialize a new standard V4L2
683 * If @id refers to a non-menu control, then this function will return NULL.
690 * v4l2_ctrl_new_std_menu_items() - Create a new standard V4L2 menu control
717 * v4l2_ctrl_new_std_compound() - Allocate and initialize a new standard V4L2
718 * compound control.
725 * Sames as v4l2_ctrl_new_std(), but with support to compound controls, thanks
728 * compound control should be all zeroes.
737 * v4l2_ctrl_new_int_menu() - Create a new standard V4L2 integer menu control.
749 * If @id refers to a non-integer-menu control, then this function will
758 * typedef v4l2_ctrl_filter - Typedef to define the filter function to be
767 * v4l2_ctrl_add_handler() - Add all controls from handler @add to
775 * device than @hdl.
780 * In case of an error @hdl->error will be set to the error code (if it
789 * v4l2_ctrl_radio_filter() - Standard filter for radio controls.
793 * This will return true for any controls that are valid for radio device
802 * v4l2_ctrl_cluster() - Mark all controls in the cluster as belonging
812 * v4l2_ctrl_auto_cluster() - Mark all controls in the cluster as belonging
813 * to that cluster and set it up for autofoo/foo-type handling.
825 * off (manual mode). Typical examples: autogain vs gain, auto-whitebalance vs
848 * v4l2_ctrl_find() - Find a control with the given ID.
859 * v4l2_ctrl_activate() - Make the control active or inactive.
873 * __v4l2_ctrl_grab() - Unlocked variant of v4l2_ctrl_grab.
889 * v4l2_ctrl_grab() - Mark the control as grabbed or not grabbed.
914 *__v4l2_ctrl_modify_range() - Unlocked variant of v4l2_ctrl_modify_range()
936 * v4l2_ctrl_modify_range() - Update the range of a control.
967 *__v4l2_ctrl_modify_dimensions() - Unlocked variant of v4l2_ctrl_modify_dimensions()
989 * v4l2_ctrl_modify_dimensions() - Update the dimensions of an array control.
1020 * v4l2_ctrl_notify() - Function to set a notify callback for a control.
1037 * v4l2_ctrl_get_name() - Get the name of the control
1047 * v4l2_ctrl_get_menu() - Get the menu string array of the control
1051 * This function returns the NULL-terminated menu string array name of the
1057 * v4l2_ctrl_get_int_menu() - Get the integer menu array of the control
1068 * v4l2_ctrl_g_ctrl() - Helper function to get the control's value from
1082 * __v4l2_ctrl_s_ctrl() - Unlocked variant of v4l2_ctrl_s_ctrl().
1096 * v4l2_ctrl_s_ctrl() - Helper function to set the control's value from
1119 * v4l2_ctrl_g_ctrl_int64() - Helper function to get a 64-bit control's value
1128 * This function is for 64-bit integer type controls only.
1133 * __v4l2_ctrl_s_ctrl_int64() - Unlocked variant of v4l2_ctrl_s_ctrl_int64().
1142 * This function is for 64-bit integer type controls only.
1147 * v4l2_ctrl_s_ctrl_int64() - Helper function to set a 64-bit control's value
1157 * This function is for 64-bit integer type controls only.
1171 * __v4l2_ctrl_s_ctrl_string() - Unlocked variant of v4l2_ctrl_s_ctrl_string().
1185 * v4l2_ctrl_s_ctrl_string() - Helper function to set a control's string value
1209 * __v4l2_ctrl_s_ctrl_compound() - Unlocked variant to set a compound control
1213 * @p: The new compound payload.
1215 * This sets the control's new compound payload safely by going through the
1219 * This function is for compound type controls only.
1225 * v4l2_ctrl_s_ctrl_compound() - Helper function to set a compound control
1230 * @p: The new compound payload.
1232 * This sets the control's new compound payload safely by going through the
1236 * This function is for compound type controls only.
1261 * v4l2_ctrl_replace - Function to be used as a callback to
1272 * v4l2_ctrl_merge - Function to be used as a callback to
1283 * v4l2_ctrl_log_status - helper function to implement %VIDIOC_LOG_STATUS ioctl
1295 * v4l2_ctrl_subscribe_event - Subscribes to an event
1308 * v4l2_ctrl_poll - function to be used as a callback to the poll()
1317 * v4l2_ctrl_request_setup - helper function to apply control values in a request
1324 * applying control values in a request is only applicable to memory-to-memory
1331 * v4l2_ctrl_request_complete - Complete a control handler request object
1348 * v4l2_ctrl_request_hdl_find - Find the control handler in the request
1369 * v4l2_ctrl_request_hdl_put - Put the control handler
1379 media_request_object_put(&hdl->req_obj); in v4l2_ctrl_request_hdl_put()
1383 * v4l2_ctrl_request_hdl_ctrl_find() - Find a control with the given ID.
1397 * v4l2_queryctrl - Helper function to implement
1403 * If hdl == NULL then they will all return -EINVAL.
1408 * v4l2_query_ext_ctrl - Helper function to implement
1414 * If hdl == NULL then they will all return -EINVAL.
1420 * v4l2_querymenu - Helper function to implement
1426 * If hdl == NULL then they will all return -EINVAL.
1431 * v4l2_g_ctrl - Helper function to implement
1437 * If hdl == NULL then they will all return -EINVAL.
1442 * v4l2_s_ctrl - Helper function to implement
1450 * If hdl == NULL then they will all return -EINVAL.
1456 * v4l2_g_ext_ctrls - Helper function to implement
1464 * If hdl == NULL then they will all return -EINVAL.
1470 * v4l2_try_ext_ctrls - Helper function to implement
1478 * If hdl == NULL then they will all return -EINVAL.
1486 * v4l2_s_ext_ctrls - Helper function to implement
1495 * If hdl == NULL then they will all return -EINVAL.
1503 * v4l2_ctrl_subdev_subscribe_event - Helper function to implement
1515 * v4l2_ctrl_subdev_log_status - Log all controls owned by subdev's control
1523 * v4l2_ctrl_new_fwnode_properties() - Register controls for the device
1530 * This function registers controls associated to device properties, using the
1535 * - V4L2_CID_CAMERA_ORIENTATION
1536 * - V4L2_CID_CAMERA_SENSOR_ROTATION;
1549 * v4l2_ctrl_type_op_equal - Default v4l2_ctrl_type_ops equal callback.
1561 * v4l2_ctrl_type_op_init - Default v4l2_ctrl_type_ops init callback.
1573 * v4l2_ctrl_type_op_log - Default v4l2_ctrl_type_ops log callback.
1582 * v4l2_ctrl_type_op_validate - Default v4l2_ctrl_type_ops validate callback.