From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/include/media/v4l2-ctrls.h | 370 ++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 342 insertions(+), 28 deletions(-)
diff --git a/kernel/include/media/v4l2-ctrls.h b/kernel/include/media/v4l2-ctrls.h
index f615ba1..113d399 100644
--- a/kernel/include/media/v4l2-ctrls.h
+++ b/kernel/include/media/v4l2-ctrls.h
@@ -1,17 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* V4L2 controls support header.
*
* Copyright (C) 2010 Hans Verkuil <hverkuil@xs4all.nl>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#ifndef _V4L2_CTRLS_H
@@ -20,27 +11,57 @@
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/videodev2.h>
+#include <linux/android_kabi.h>
+#include <media/media-request.h>
+
+/*
+ * Include the stateless codec compound control definitions.
+ * This will move to the public headers once this API is fully stable.
+ */
+#include <media/mpeg2-ctrls.h>
+#include <media/fwht-ctrls.h>
+#include <media/h264-ctrls.h>
+#include <media/vp8-ctrls.h>
+#include <media/hevc-ctrls.h>
/* forward references */
struct file;
+struct poll_table_struct;
+struct v4l2_ctrl;
struct v4l2_ctrl_handler;
struct v4l2_ctrl_helper;
-struct v4l2_ctrl;
-struct video_device;
+struct v4l2_fh;
+struct v4l2_fwnode_device_properties;
struct v4l2_subdev;
struct v4l2_subscribed_event;
-struct v4l2_fh;
-struct poll_table_struct;
+struct video_device;
/**
* union v4l2_ctrl_ptr - A pointer to a control value.
- * @p_s32: Pointer to a 32-bit signed value.
- * @p_s64: Pointer to a 64-bit signed value.
- * @p_u8: Pointer to a 8-bit unsigned value.
- * @p_u16: Pointer to a 16-bit unsigned value.
- * @p_u32: Pointer to a 32-bit unsigned value.
- * @p_char: Pointer to a string.
- * @p: Pointer to a compound value.
+ * @p_s32: Pointer to a 32-bit signed value.
+ * @p_s64: Pointer to a 64-bit signed value.
+ * @p_u8: Pointer to a 8-bit unsigned value.
+ * @p_u16: Pointer to a 16-bit unsigned value.
+ * @p_u32: Pointer to a 32-bit unsigned value.
+ * @p_char: Pointer to a string.
+ * @p_mpeg2_slice_params: Pointer to a MPEG2 slice parameters structure.
+ * @p_mpeg2_quantization: Pointer to a MPEG2 quantization data structure.
+ * @p_fwht_params: Pointer to a FWHT stateless parameters structure.
+ * @p_h264_sps: Pointer to a struct v4l2_ctrl_h264_sps.
+ * @p_h264_pps: Pointer to a struct v4l2_ctrl_h264_pps.
+ * @p_h264_scaling_matrix: Pointer to a struct v4l2_ctrl_h264_scaling_matrix.
+ * @p_h264_slice_params: Pointer to a struct v4l2_ctrl_h264_slice_params.
+ * @p_h264_decode_params: Pointer to a struct v4l2_ctrl_h264_decode_params.
+ * @p_h264_pred_weights: Pointer to a struct v4l2_ctrl_h264_pred_weights.
+ * @p_vp8_frame_header: Pointer to a VP8 frame header structure.
+ * @p_hevc_sps: Pointer to an HEVC sequence parameter set structure.
+ * @p_hevc_pps: Pointer to an HEVC picture parameter set structure.
+ * @p_hevc_slice_params: Pointer to an HEVC slice parameters structure.
+ * @p_hdr10_cll: Pointer to an HDR10 Content Light Level structure.
+ * @p_hdr10_mastering: Pointer to an HDR10 Mastering Display structure.
+ * @p_area: Pointer to an area.
+ * @p: Pointer to a compound value.
+ * @p_const: Pointer to a constant compound value.
*/
union v4l2_ctrl_ptr {
s32 *p_s32;
@@ -49,8 +70,40 @@
u16 *p_u16;
u32 *p_u32;
char *p_char;
+ struct v4l2_ctrl_mpeg2_slice_params *p_mpeg2_slice_params;
+ struct v4l2_ctrl_mpeg2_quantization *p_mpeg2_quantization;
+ struct v4l2_ctrl_fwht_params *p_fwht_params;
+ struct v4l2_ctrl_h264_sps *p_h264_sps;
+ struct v4l2_ctrl_h264_pps *p_h264_pps;
+ struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix;
+ struct v4l2_ctrl_h264_slice_params *p_h264_slice_params;
+ struct v4l2_ctrl_h264_decode_params *p_h264_decode_params;
+ struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights;
+ struct v4l2_ctrl_vp8_frame_header *p_vp8_frame_header;
+ struct v4l2_ctrl_hevc_sps *p_hevc_sps;
+ struct v4l2_ctrl_hevc_pps *p_hevc_pps;
+ struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
+ struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll;
+ struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
+ struct v4l2_area *p_area;
void *p;
+ const void *p_const;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
+
+/**
+ * v4l2_ctrl_ptr_create() - Helper function to return a v4l2_ctrl_ptr from a
+ * void pointer
+ * @ptr: The void pointer
+ */
+static inline union v4l2_ctrl_ptr v4l2_ctrl_ptr_create(void *ptr)
+{
+ union v4l2_ctrl_ptr p = { .p = ptr };
+
+ return p;
+}
/**
* struct v4l2_ctrl_ops - The control operations that the driver has to provide.
@@ -70,6 +123,8 @@
int (*g_volatile_ctrl)(struct v4l2_ctrl *ctrl);
int (*try_ctrl)(struct v4l2_ctrl *ctrl);
int (*s_ctrl)(struct v4l2_ctrl *ctrl);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -91,6 +146,8 @@
void (*log)(const struct v4l2_ctrl *ctrl);
int (*validate)(const struct v4l2_ctrl *ctrl, u32 idx,
union v4l2_ctrl_ptr ptr);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -181,6 +238,9 @@
* not freed when the control is deleted. Should this be needed
* then a new internal bitfield can be added to tell the framework
* to free this pointer.
+ * @p_def: The control's default value represented via a union which
+ * provides a standard way of accessing control types
+ * through a pointer (for compound controls only).
* @p_cur: The control's current value represented via a union which
* provides a standard way of accessing control types
* through a pointer.
@@ -235,8 +295,11 @@
s32 val;
} cur;
+ union v4l2_ctrl_ptr p_def;
union v4l2_ctrl_ptr p_new;
union v4l2_ctrl_ptr p_cur;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -247,6 +310,21 @@
* @ctrl: The actual control information.
* @helper: Pointer to helper struct. Used internally in
* ``prepare_ext_ctrls`` function at ``v4l2-ctrl.c``.
+ * @from_other_dev: If true, then @ctrl was defined in another
+ * device than the &struct v4l2_ctrl_handler.
+ * @req_done: Internal flag: if the control handler containing this control
+ * reference is bound to a media request, then this is set when
+ * the control has been applied. This prevents applying controls
+ * from a cluster with multiple controls twice (when the first
+ * control of a cluster is applied, they all are).
+ * @valid_p_req: If set, then p_req contains the control value for the request.
+ * @p_req: If the control handler containing this control reference
+ * is bound to a media request, then this points to the
+ * value of the control that must be applied when the request
+ * is executed, or to the value of the control at the time
+ * that the request was completed. If @valid_p_req is false,
+ * then this control was never set for this request and the
+ * control will not be updated when this request is applied.
*
* Each control handler has a list of these refs. The list_head is used to
* keep a sorted-by-control-ID list of all controls, while the next pointer
@@ -257,6 +335,12 @@
struct v4l2_ctrl_ref *next;
struct v4l2_ctrl *ctrl;
struct v4l2_ctrl_helper *helper;
+ bool from_other_dev;
+ bool req_done;
+ bool valid_p_req;
+ union v4l2_ctrl_ptr p_req;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -280,6 +364,17 @@
* @notify_priv: Passed as argument to the v4l2_ctrl notify callback.
* @nr_of_buckets: Total number of buckets in the array.
* @error: The error code of the first failed control addition.
+ * @request_is_queued: True if the request was queued.
+ * @requests: List to keep track of open control handler request objects.
+ * For the parent control handler (@req_obj.ops == NULL) this
+ * is the list header. When the parent control handler is
+ * removed, it has to unbind and put all these requests since
+ * they refer to the parent.
+ * @requests_queued: List of the queued requests. This determines the order
+ * in which these controls are applied. Once the request is
+ * completed it is removed from this list.
+ * @req_obj: The &struct media_request_object, used to link into a
+ * &struct media_request. This request object has a refcount.
*/
struct v4l2_ctrl_handler {
struct mutex _lock;
@@ -292,6 +387,12 @@
void *notify_priv;
u16 nr_of_buckets;
int error;
+ bool request_is_queued;
+ struct list_head requests;
+ struct list_head requests_queued;
+ struct media_request_object req_obj;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -306,6 +407,7 @@
* @max: The control's maximum value.
* @step: The control's step value for non-menu controls.
* @def: The control's default value.
+ * @p_def: The control's default value for compound controls.
* @dims: The size of each dimension.
* @elem_size: The size in bytes of the control.
* @flags: The control's flags.
@@ -334,6 +436,7 @@
s64 max;
u64 step;
s64 def;
+ union v4l2_ctrl_ptr p_def;
u32 dims[V4L2_CTRL_MAX_DIMS];
u32 elem_size;
u32 flags;
@@ -341,6 +444,8 @@
const char * const *qmenu;
const s64 *qmenu_int;
unsigned int is_private:1;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -596,6 +701,26 @@
const char * const *qmenu);
/**
+ * v4l2_ctrl_new_std_compound() - Allocate and initialize a new standard V4L2
+ * compound control.
+ *
+ * @hdl: The control handler.
+ * @ops: The control ops.
+ * @id: The control ID.
+ * @p_def: The control's default value.
+ *
+ * Sames as v4l2_ctrl_new_std(), but with support to compound controls, thanks
+ * to the @p_def field. Use v4l2_ctrl_ptr_create() to create @p_def from a
+ * pointer. Use v4l2_ctrl_ptr_create(NULL) if the default value of the
+ * compound control should be all zeroes.
+ *
+ */
+struct v4l2_ctrl *v4l2_ctrl_new_std_compound(struct v4l2_ctrl_handler *hdl,
+ const struct v4l2_ctrl_ops *ops,
+ u32 id,
+ const union v4l2_ctrl_ptr p_def);
+
+/**
* v4l2_ctrl_new_int_menu() - Create a new standard V4L2 integer menu control.
*
* @hdl: The control handler.
@@ -605,7 +730,7 @@
* @def: The control's default value.
* @qmenu_int: The control's menu entries.
*
- * Same as v4l2_ctrl_new_std_menu(), but @mask is set to 0 and it additionaly
+ * Same as v4l2_ctrl_new_std_menu(), but @mask is set to 0 and it additionally
* takes as an argument an array of integers determining the menu items.
*
* If @id refers to a non-integer-menu control, then this function will
@@ -633,6 +758,8 @@
* @add: The control handler whose controls you want to add to
* the @hdl control handler.
* @filter: This function will filter which controls should be added.
+ * @from_other_dev: If true, then the controls in @add were defined in another
+ * device than @hdl.
*
* Does nothing if either of the two handlers is a NULL pointer.
* If @filter is NULL, then all controls are added. Otherwise only those
@@ -642,7 +769,8 @@
*/
int v4l2_ctrl_add_handler(struct v4l2_ctrl_handler *hdl,
struct v4l2_ctrl_handler *add,
- v4l2_ctrl_filter filter);
+ v4l2_ctrl_filter filter,
+ bool from_other_dev);
/**
* v4l2_ctrl_radio_filter() - Standard filter for radio controls.
@@ -729,6 +857,22 @@
void v4l2_ctrl_activate(struct v4l2_ctrl *ctrl, bool active);
/**
+ * __v4l2_ctrl_grab() - Unlocked variant of v4l2_ctrl_grab.
+ *
+ * @ctrl: The control to (de)activate.
+ * @grabbed: True if the control should become grabbed.
+ *
+ * This sets or clears the V4L2_CTRL_FLAG_GRABBED flag atomically.
+ * Does nothing if @ctrl == NULL.
+ * The V4L2_EVENT_CTRL event will be generated afterwards.
+ * This will usually be called when starting or stopping streaming in the
+ * driver.
+ *
+ * This function assumes that the control handler is locked by the caller.
+ */
+void __v4l2_ctrl_grab(struct v4l2_ctrl *ctrl, bool grabbed);
+
+/**
* v4l2_ctrl_grab() - Mark the control as grabbed or not grabbed.
*
* @ctrl: The control to (de)activate.
@@ -743,7 +887,15 @@
* This function assumes that the control handler is not locked and will
* take the lock itself.
*/
-void v4l2_ctrl_grab(struct v4l2_ctrl *ctrl, bool grabbed);
+static inline void v4l2_ctrl_grab(struct v4l2_ctrl *ctrl, bool grabbed)
+{
+ if (!ctrl)
+ return;
+
+ v4l2_ctrl_lock(ctrl);
+ __v4l2_ctrl_grab(ctrl, grabbed);
+ v4l2_ctrl_unlock(ctrl);
+}
/**
*__v4l2_ctrl_modify_range() - Unlocked variant of v4l2_ctrl_modify_range()
@@ -864,7 +1016,7 @@
* __v4l2_ctrl_s_ctrl() - Unlocked variant of v4l2_ctrl_s_ctrl().
*
* @ctrl: The control.
- * @val: TheControls name new value.
+ * @val: The new value.
*
* This sets the control's new value safely by going through the control
* framework. This function assumes the control's handler is already locked,
@@ -969,7 +1121,7 @@
*
* @ctrl: The control.
* @s: The new string.
- *Controls name
+ *
* This sets the control's new string safely by going through the control
* framework. This function will lock the control's handler, so it cannot be
* used from within the &v4l2_ctrl_ops functions.
@@ -986,6 +1138,55 @@
return rval;
}
+
+/**
+ * __v4l2_ctrl_s_ctrl_compound() - Unlocked variant to set a compound control
+ *
+ * @ctrl: The control.
+ * @type: The type of the data.
+ * @p: The new compound payload.
+ *
+ * This sets the control's new compound payload safely by going through the
+ * control framework. This function assumes the control's handler is already
+ * locked, allowing it to be used from within the &v4l2_ctrl_ops functions.
+ *
+ * This function is for compound type controls only.
+ */
+int __v4l2_ctrl_s_ctrl_compound(struct v4l2_ctrl *ctrl,
+ enum v4l2_ctrl_type type, const void *p);
+
+/**
+ * v4l2_ctrl_s_ctrl_compound() - Helper function to set a compound control
+ * from within a driver.
+ *
+ * @ctrl: The control.
+ * @type: The type of the data.
+ * @p: The new compound payload.
+ *
+ * This sets the control's new compound payload safely by going through the
+ * control framework. This function will lock the control's handler, so it
+ * cannot be used from within the &v4l2_ctrl_ops functions.
+ *
+ * This function is for compound type controls only.
+ */
+static inline int v4l2_ctrl_s_ctrl_compound(struct v4l2_ctrl *ctrl,
+ enum v4l2_ctrl_type type,
+ const void *p)
+{
+ int rval;
+
+ v4l2_ctrl_lock(ctrl);
+ rval = __v4l2_ctrl_s_ctrl_compound(ctrl, type, p);
+ v4l2_ctrl_unlock(ctrl);
+
+ return rval;
+}
+
+/* Helper defines for area type controls */
+#define __v4l2_ctrl_s_ctrl_area(ctrl, area) \
+ __v4l2_ctrl_s_ctrl_compound((ctrl), V4L2_CTRL_TYPE_AREA, (area))
+#define v4l2_ctrl_s_ctrl_area(ctrl, area) \
+ v4l2_ctrl_s_ctrl_compound((ctrl), V4L2_CTRL_TYPE_AREA, (area))
/* Internal helper functions that deal with control events. */
extern const struct v4l2_subscribed_event_ops v4l2_ctrl_sub_ev_ops;
@@ -1045,6 +1246,84 @@
* @wait: pointer to struct poll_table_struct
*/
__poll_t v4l2_ctrl_poll(struct file *file, struct poll_table_struct *wait);
+
+/**
+ * v4l2_ctrl_request_setup - helper function to apply control values in a request
+ *
+ * @req: The request
+ * @parent: The parent control handler ('priv' in media_request_object_find())
+ *
+ * This is a helper function to call the control handler's s_ctrl callback with
+ * the control values contained in the request. Do note that this approach of
+ * applying control values in a request is only applicable to memory-to-memory
+ * devices.
+ */
+int v4l2_ctrl_request_setup(struct media_request *req,
+ struct v4l2_ctrl_handler *parent);
+
+/**
+ * v4l2_ctrl_request_complete - Complete a control handler request object
+ *
+ * @req: The request
+ * @parent: The parent control handler ('priv' in media_request_object_find())
+ *
+ * This function is to be called on each control handler that may have had a
+ * request object associated with it, i.e. control handlers of a driver that
+ * supports requests.
+ *
+ * The function first obtains the values of any volatile controls in the control
+ * handler and attach them to the request. Then, the function completes the
+ * request object.
+ */
+void v4l2_ctrl_request_complete(struct media_request *req,
+ struct v4l2_ctrl_handler *parent);
+
+/**
+ * v4l2_ctrl_request_hdl_find - Find the control handler in the request
+ *
+ * @req: The request
+ * @parent: The parent control handler ('priv' in media_request_object_find())
+ *
+ * This function finds the control handler in the request. It may return
+ * NULL if not found. When done, you must call v4l2_ctrl_request_put_hdl()
+ * with the returned handler pointer.
+ *
+ * If the request is not in state VALIDATING or QUEUED, then this function
+ * will always return NULL.
+ *
+ * Note that in state VALIDATING the req_queue_mutex is held, so
+ * no objects can be added or deleted from the request.
+ *
+ * In state QUEUED it is the driver that will have to ensure this.
+ */
+struct v4l2_ctrl_handler *v4l2_ctrl_request_hdl_find(struct media_request *req,
+ struct v4l2_ctrl_handler *parent);
+
+/**
+ * v4l2_ctrl_request_hdl_put - Put the control handler
+ *
+ * @hdl: Put this control handler
+ *
+ * This function released the control handler previously obtained from'
+ * v4l2_ctrl_request_hdl_find().
+ */
+static inline void v4l2_ctrl_request_hdl_put(struct v4l2_ctrl_handler *hdl)
+{
+ if (hdl)
+ media_request_object_put(&hdl->req_obj);
+}
+
+/**
+ * v4l2_ctrl_request_ctrl_find() - Find a control with the given ID.
+ *
+ * @hdl: The control handler from the request.
+ * @id: The ID of the control to find.
+ *
+ * This function returns a pointer to the control if this control is
+ * part of the request or NULL otherwise.
+ */
+struct v4l2_ctrl *
+v4l2_ctrl_request_hdl_ctrl_find(struct v4l2_ctrl_handler *hdl, u32 id);
/* Helpers for ioctl_ops */
@@ -1112,23 +1391,29 @@
* :ref:`VIDIOC_G_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl
*
* @hdl: pointer to &struct v4l2_ctrl_handler
+ * @vdev: pointer to &struct video_device
+ * @mdev: pointer to &struct media_device
* @c: pointer to &struct v4l2_ext_controls
*
* If hdl == NULL then they will all return -EINVAL.
*/
-int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl,
- struct v4l2_ext_controls *c);
+int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct video_device *vdev,
+ struct media_device *mdev, struct v4l2_ext_controls *c);
/**
* v4l2_try_ext_ctrls - Helper function to implement
* :ref:`VIDIOC_TRY_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl
*
* @hdl: pointer to &struct v4l2_ctrl_handler
+ * @vdev: pointer to &struct video_device
+ * @mdev: pointer to &struct media_device
* @c: pointer to &struct v4l2_ext_controls
*
* If hdl == NULL then they will all return -EINVAL.
*/
int v4l2_try_ext_ctrls(struct v4l2_ctrl_handler *hdl,
+ struct video_device *vdev,
+ struct media_device *mdev,
struct v4l2_ext_controls *c);
/**
@@ -1137,11 +1422,15 @@
*
* @fh: pointer to &struct v4l2_fh
* @hdl: pointer to &struct v4l2_ctrl_handler
+ * @vdev: pointer to &struct video_device
+ * @mdev: pointer to &struct media_device
* @c: pointer to &struct v4l2_ext_controls
*
* If hdl == NULL then they will all return -EINVAL.
*/
int v4l2_s_ext_ctrls(struct v4l2_fh *fh, struct v4l2_ctrl_handler *hdl,
+ struct video_device *vdev,
+ struct media_device *mdev,
struct v4l2_ext_controls *c);
/**
@@ -1164,4 +1453,29 @@
*/
int v4l2_ctrl_subdev_log_status(struct v4l2_subdev *sd);
+/**
+ * v4l2_ctrl_new_fwnode_properties() - Register controls for the device
+ * properties
+ *
+ * @hdl: pointer to &struct v4l2_ctrl_handler to register controls on
+ * @ctrl_ops: pointer to &struct v4l2_ctrl_ops to register controls with
+ * @p: pointer to &struct v4l2_fwnode_device_properties
+ *
+ * This function registers controls associated to device properties, using the
+ * property values contained in @p parameter, if the property has been set to
+ * a value.
+ *
+ * Currently the following v4l2 controls are parsed and registered:
+ * - V4L2_CID_CAMERA_ORIENTATION
+ * - V4L2_CID_CAMERA_SENSOR_ROTATION;
+ *
+ * Controls already registered by the caller with the @hdl control handler are
+ * not overwritten. Callers should register the controls they want to handle
+ * themselves before calling this function.
+ *
+ * Return: 0 on success, a negative error code on failure.
+ */
+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);
#endif
--
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