mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-22 18:32:14 +07:00
480856f3b4
You must use static inline otherwise you get these errors if CONFIG_OF is not defined:
In file included from drivers/media/platform/soc_camera/soc_camera.c:39:0:
include/media/v4l2-of.h:112:13: warning: 'v4l2_of_free_endpoint' defined but not used [-Wunused-function]
static void v4l2_of_free_endpoint(struct v4l2_of_endpoint *endpoint)
^
In file included from drivers/media/platform/soc_camera/atmel-isi.c:28:0:
include/media/v4l2-of.h:112:13: warning: 'v4l2_of_free_endpoint' defined but not used [-Wunused-function]
static void v4l2_of_free_endpoint(struct v4l2_of_endpoint *endpoint)
^
In file included from drivers/media/platform/soc_camera/rcar_vin.c:36:0:
include/media/v4l2-of.h:112:13: warning: 'v4l2_of_free_endpoint' defined but not used [-Wunused-function]
static void v4l2_of_free_endpoint(struct v4l2_of_endpoint *endpoint)
^
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
129 lines
3.5 KiB
C
129 lines
3.5 KiB
C
/*
|
|
* V4L2 OF binding parsing library
|
|
*
|
|
* Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd.
|
|
* Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
|
|
*
|
|
* Copyright (C) 2012 Renesas Electronics Corp.
|
|
* Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
#ifndef _V4L2_OF_H
|
|
#define _V4L2_OF_H
|
|
|
|
#include <linux/list.h>
|
|
#include <linux/types.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/of_graph.h>
|
|
|
|
#include <media/v4l2-mediabus.h>
|
|
|
|
struct device_node;
|
|
|
|
/**
|
|
* struct v4l2_of_bus_mipi_csi2 - MIPI CSI-2 bus data structure
|
|
* @flags: media bus (V4L2_MBUS_*) flags
|
|
* @data_lanes: an array of physical data lane indexes
|
|
* @clock_lane: physical lane index of the clock lane
|
|
* @num_data_lanes: number of data lanes
|
|
* @lane_polarities: polarity of the lanes. The order is the same of
|
|
* the physical lanes.
|
|
*/
|
|
struct v4l2_of_bus_mipi_csi2 {
|
|
unsigned int flags;
|
|
unsigned char data_lanes[4];
|
|
unsigned char clock_lane;
|
|
unsigned short num_data_lanes;
|
|
bool lane_polarities[5];
|
|
};
|
|
|
|
/**
|
|
* struct v4l2_of_bus_parallel - parallel data bus data structure
|
|
* @flags: media bus (V4L2_MBUS_*) flags
|
|
* @bus_width: bus width in bits
|
|
* @data_shift: data shift in bits
|
|
*/
|
|
struct v4l2_of_bus_parallel {
|
|
unsigned int flags;
|
|
unsigned char bus_width;
|
|
unsigned char data_shift;
|
|
};
|
|
|
|
/**
|
|
* struct v4l2_of_endpoint - the endpoint data structure
|
|
* @base: struct of_endpoint containing port, id, and local of_node
|
|
* @bus_type: bus type
|
|
* @bus: bus configuration data structure
|
|
* @link_frequencies: array of supported link frequencies
|
|
* @nr_of_link_frequencies: number of elements in link_frequenccies array
|
|
*/
|
|
struct v4l2_of_endpoint {
|
|
struct of_endpoint base;
|
|
/* Fields below this line will be zeroed by v4l2_of_parse_endpoint() */
|
|
enum v4l2_mbus_type bus_type;
|
|
union {
|
|
struct v4l2_of_bus_parallel parallel;
|
|
struct v4l2_of_bus_mipi_csi2 mipi_csi2;
|
|
} bus;
|
|
u64 *link_frequencies;
|
|
unsigned int nr_of_link_frequencies;
|
|
};
|
|
|
|
/**
|
|
* struct v4l2_of_link - a link between two endpoints
|
|
* @local_node: pointer to device_node of this endpoint
|
|
* @local_port: identifier of the port this endpoint belongs to
|
|
* @remote_node: pointer to device_node of the remote endpoint
|
|
* @remote_port: identifier of the port the remote endpoint belongs to
|
|
*/
|
|
struct v4l2_of_link {
|
|
struct device_node *local_node;
|
|
unsigned int local_port;
|
|
struct device_node *remote_node;
|
|
unsigned int remote_port;
|
|
};
|
|
|
|
#ifdef CONFIG_OF
|
|
int v4l2_of_parse_endpoint(const struct device_node *node,
|
|
struct v4l2_of_endpoint *endpoint);
|
|
struct v4l2_of_endpoint *v4l2_of_alloc_parse_endpoint(
|
|
const struct device_node *node);
|
|
void v4l2_of_free_endpoint(struct v4l2_of_endpoint *endpoint);
|
|
int v4l2_of_parse_link(const struct device_node *node,
|
|
struct v4l2_of_link *link);
|
|
void v4l2_of_put_link(struct v4l2_of_link *link);
|
|
#else /* CONFIG_OF */
|
|
|
|
static inline int v4l2_of_parse_endpoint(const struct device_node *node,
|
|
struct v4l2_of_endpoint *link)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static inline struct v4l2_of_endpoint *v4l2_of_alloc_parse_endpoint(
|
|
const struct device_node *node)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline void v4l2_of_free_endpoint(struct v4l2_of_endpoint *endpoint)
|
|
{
|
|
}
|
|
|
|
static inline int v4l2_of_parse_link(const struct device_node *node,
|
|
struct v4l2_of_link *link)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static inline void v4l2_of_put_link(struct v4l2_of_link *link)
|
|
{
|
|
}
|
|
|
|
#endif /* CONFIG_OF */
|
|
|
|
#endif /* _V4L2_OF_H */
|