From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/include/media/media-entity.h | 89 +++++++++++++++++++++++++++-----------------
1 files changed, 54 insertions(+), 35 deletions(-)
diff --git a/kernel/include/media/media-entity.h b/kernel/include/media/media-entity.h
index 3aa3d58..eacba87 100644
--- a/kernel/include/media/media-entity.h
+++ b/kernel/include/media/media-entity.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Media entity
*
@@ -5,15 +6,6 @@
*
* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
* Sakari Ailus <sakari.ailus@iki.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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 _MEDIA_ENTITY_H
@@ -25,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/media.h>
+#include <linux/android_vendor.h>
/* Enums used internally at the media controller to represent graphs */
@@ -153,6 +146,35 @@
struct media_link *reverse;
unsigned long flags;
bool is_backlink;
+ ANDROID_VENDOR_DATA(1);
+};
+
+/**
+ * enum media_pad_signal_type - type of the signal inside a media pad
+ *
+ * @PAD_SIGNAL_DEFAULT:
+ * Default signal. Use this when all inputs or all outputs are
+ * uniquely identified by the pad number.
+ * @PAD_SIGNAL_ANALOG:
+ * The pad contains an analog signal. It can be Radio Frequency,
+ * Intermediate Frequency, a baseband signal or sub-cariers.
+ * Tuner inputs, IF-PLL demodulators, composite and s-video signals
+ * should use it.
+ * @PAD_SIGNAL_DV:
+ * Contains a digital video signal, with can be a bitstream of samples
+ * taken from an analog TV video source. On such case, it usually
+ * contains the VBI data on it.
+ * @PAD_SIGNAL_AUDIO:
+ * Contains an Intermediate Frequency analog signal from an audio
+ * sub-carrier or an audio bitstream. IF signals are provided by tuners
+ * and consumed by audio AM/FM decoders. Bitstream audio is provided by
+ * an audio decoder.
+ */
+enum media_pad_signal_type {
+ PAD_SIGNAL_DEFAULT = 0,
+ PAD_SIGNAL_ANALOG,
+ PAD_SIGNAL_DV,
+ PAD_SIGNAL_AUDIO,
};
/**
@@ -161,6 +183,7 @@
* @graph_obj: Embedded structure containing the media object common data
* @entity: Entity this pad belongs to
* @index: Pad index in the entity pads array, numbered from 0 to n
+ * @sig_type: Type of the signal inside a media pad
* @flags: Pad flags, as defined in
* :ref:`include/uapi/linux/media.h <media_header>`
* (seek for ``MEDIA_PAD_FL_*``)
@@ -169,6 +192,7 @@
struct media_gobj graph_obj; /* must be first field in struct */
struct media_entity *entity;
u16 index;
+ enum media_pad_signal_type sig_type;
unsigned long flags;
};
@@ -190,7 +214,8 @@
* mutex held.
*/
struct media_entity_operations {
- int (*get_fwnode_pad)(struct fwnode_endpoint *endpoint);
+ int (*get_fwnode_pad)(struct media_entity *entity,
+ struct fwnode_endpoint *endpoint);
int (*link_setup)(struct media_entity *entity,
const struct media_pad *local,
const struct media_pad *remote, u32 flags);
@@ -641,6 +666,24 @@
#endif
/**
+ * media_get_pad_index() - retrieves a pad index from an entity
+ *
+ * @entity: entity where the pads belong
+ * @is_sink: true if the pad is a sink, false if it is a source
+ * @sig_type: type of signal of the pad to be search
+ *
+ * This helper function finds the first pad index inside an entity that
+ * satisfies both @is_sink and @sig_type conditions.
+ *
+ * Return:
+ *
+ * On success, return the pad number. If the pad was not found or the media
+ * entity is a NULL pointer, return -EINVAL.
+ */
+int media_get_pad_index(struct media_entity *entity, bool is_sink,
+ enum media_pad_signal_type sig_type);
+
+/**
* media_create_pad_link() - creates a link between two entities.
*
* @source: pointer to &media_entity of the source pad.
@@ -762,7 +805,7 @@
* @flags: the requested new link flags
*
* The only configurable property is the %MEDIA_LNK_FL_ENABLED link flag
- * flag to enable/disable a link. Links marked with the
+ * to enable/disable a link. Links marked with the
* %MEDIA_LNK_FL_IMMUTABLE link flag can not be enabled or disabled.
*
* When a link is enabled or disabled, the media framework calls the
@@ -817,19 +860,6 @@
struct media_pad *media_entity_remote_pad(const struct media_pad *pad);
/**
- * media_entity_get - Get a reference to the parent module
- *
- * @entity: The entity
- *
- * Get a reference to the parent media device module.
- *
- * The function will return immediately if @entity is %NULL.
- *
- * Return: returns a pointer to the entity on success or %NULL on failure.
- */
-struct media_entity *media_entity_get(struct media_entity *entity);
-
-/**
* media_entity_get_fwnode_pad - Get pad number from fwnode
*
* @entity: The entity
@@ -867,17 +897,6 @@
* @graph: Media graph structure that will be used to walk the graph
*/
void media_graph_walk_cleanup(struct media_graph *graph);
-
-/**
- * media_entity_put - Release the reference to the parent module
- *
- * @entity: The entity
- *
- * Release the reference count acquired by media_entity_get().
- *
- * The function will return immediately if @entity is %NULL.
- */
-void media_entity_put(struct media_entity *entity);
/**
* media_graph_walk_start - Start walking the media graph at a
--
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