projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 99fd133f GL |
1 | /* |
| 2 | * V4L2 OF binding parsing library | |
| 3 | * | |
| c6e8d96d SN |
4 | * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd. |
| 5 | * Author: Sylwester Nawrocki <s.nawrocki@samsung.com> | |
| 6 | * | |
| 99fd133f GL |
7 | * Copyright (C) 2012 Renesas Electronics Corp. |
| 8 | * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de> | |
| 9 | * | |
| 99fd133f GL |
10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of version 2 of the GNU General Public License as | |
| 12 | * published by the Free Software Foundation. | |
| 13 | */ | |
| 14 | #ifndef _V4L2_OF_H | |
| 15 | #define _V4L2_OF_H | |
| 16 | ||
| 17 | #include <linux/list.h> | |
| 18 | #include <linux/types.h> | |
| 19 | #include <linux/errno.h> | |
| fd9fdb78 | 20 | #include <linux/of_graph.h> |
| 99fd133f GL |
21 | |
| 22 | #include <media/v4l2-mediabus.h> | |
| 23 | ||
| 24 | struct device_node; | |
| 25 | ||
| 26 | /** | |
| 27 | * struct v4l2_of_bus_mipi_csi2 - MIPI CSI-2 bus data structure | |
| 28 | * @flags: media bus (V4L2_MBUS_*) flags | |
| 29 | * @data_lanes: an array of physical data lane indexes | |
| 30 | * @clock_lane: physical lane index of the clock lane | |
| 31 | * @num_data_lanes: number of data lanes | |
| 32 | */ | |
| 33 | struct v4l2_of_bus_mipi_csi2 { | |
| 34 | unsigned int flags; | |
| 35 | unsigned char data_lanes[4]; | |
| 36 | unsigned char clock_lane; | |
| 37 | unsigned short num_data_lanes; | |
| 38 | }; | |
| 39 | ||
| 40 | /** | |
| 41 | * struct v4l2_of_bus_parallel - parallel data bus data structure | |
| 42 | * @flags: media bus (V4L2_MBUS_*) flags | |
| 43 | * @bus_width: bus width in bits | |
| 44 | * @data_shift: data shift in bits | |
| 45 | */ | |
| 46 | struct v4l2_of_bus_parallel { | |
| 47 | unsigned int flags; | |
| 48 | unsigned char bus_width; | |
| 49 | unsigned char data_shift; | |
| 50 | }; | |
| 51 | ||
| 52 | /** | |
| 53 | * struct v4l2_of_endpoint - the endpoint data structure | |
| f2a575f6 | 54 | * @base: struct of_endpoint containing port, id, and local of_node |
| 99fd133f GL |
55 | * @bus_type: bus type |
| 56 | * @bus: bus configuration data structure | |
| 57 | * @head: list head for this structure | |
| 58 | */ | |
| 59 | struct v4l2_of_endpoint { | |
| f2a575f6 | 60 | struct of_endpoint base; |
| 99fd133f GL |
61 | enum v4l2_mbus_type bus_type; |
| 62 | union { | |
| 63 | struct v4l2_of_bus_parallel parallel; | |
| 64 | struct v4l2_of_bus_mipi_csi2 mipi_csi2; | |
| 65 | } bus; | |
| 66 | struct list_head head; | |
| 67 | }; | |
| 68 | ||
| 69 | #ifdef CONFIG_OF | |
| 9ff889b6 LP |
70 | int v4l2_of_parse_endpoint(const struct device_node *node, |
| 71 | struct v4l2_of_endpoint *endpoint); | |
| 99fd133f GL |
72 | #else /* CONFIG_OF */ |
| 73 | ||
| 74 | static inline int v4l2_of_parse_endpoint(const struct device_node *node, | |
| 75 | struct v4l2_of_endpoint *link) | |
| 76 | { | |
| 77 | return -ENOSYS; | |
| 78 | } | |
| 79 | ||
| 99fd133f GL |
80 | #endif /* CONFIG_OF */ |
| 81 | ||
| 82 | #endif /* _V4L2_OF_H */ |