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author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
commit | 12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch) | |
tree | f91479a62805619168994fd3ee55e3ffa23fc24e /include/media/v4l2-of.h | |
parent | 9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff) | |
parent | f722406faae2d073cc1d01063d1123c35425939e (diff) |
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1
* tag 'v3.10-rc1': (12273 commits)
Linux 3.10-rc1
[SCSI] qla2xxx: Update firmware link in Kconfig file.
[SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used
[SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type
[SCSI] pm80xx: thermal, sas controller config and error handling update
[SCSI] pm80xx: NCQ error handling changes
[SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers
[SCSI] pm80xx: Changed module name and debug messages update
[SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it
[SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone
[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files
[SCSI] pm80xx: MSI-X implementation for using 64 interrupts
[SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve
[SCSI] pm80xx: Multiple inbound/outbound queue configuration
[SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC
[SCSI] lpfc: fix up Kconfig dependencies
[SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd
dm cache: set config value
dm cache: move config fns
dm thin: generate event when metadata threshold passed
...
Diffstat (limited to 'include/media/v4l2-of.h')
-rw-r--r-- | include/media/v4l2-of.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/include/media/v4l2-of.h b/include/media/v4l2-of.h new file mode 100644 index 00000000000..3a8a84124b4 --- /dev/null +++ b/include/media/v4l2-of.h @@ -0,0 +1,111 @@ +/* + * 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 <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 + */ +struct v4l2_of_bus_mipi_csi2 { + unsigned int flags; + unsigned char data_lanes[4]; + unsigned char clock_lane; + unsigned short num_data_lanes; +}; + +/** + * 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 + * @port: identifier (value of reg property) of a port this endpoint belongs to + * @id: identifier (value of reg property) of this endpoint + * @local_node: pointer to device_node of this endpoint + * @remote: phandle to remote endpoint node + * @bus_type: bus type + * @bus: bus configuration data structure + * @head: list head for this structure + */ +struct v4l2_of_endpoint { + unsigned int port; + unsigned int id; + const struct device_node *local_node; + const __be32 *remote; + enum v4l2_mbus_type bus_type; + union { + struct v4l2_of_bus_parallel parallel; + struct v4l2_of_bus_mipi_csi2 mipi_csi2; + } bus; + struct list_head head; +}; + +#ifdef CONFIG_OF +void v4l2_of_parse_endpoint(const struct device_node *node, + struct v4l2_of_endpoint *link); +struct device_node *v4l2_of_get_next_endpoint(const struct device_node *parent, + struct device_node *previous); +struct device_node *v4l2_of_get_remote_port_parent( + const struct device_node *node); +struct device_node *v4l2_of_get_remote_port(const struct device_node *node); +#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 device_node *v4l2_of_get_next_endpoint( + const struct device_node *parent, + struct device_node *previous) +{ + return NULL; +} + +static inline struct device_node *v4l2_of_get_remote_port_parent( + const struct device_node *node) +{ + return NULL; +} + +static inline struct device_node *v4l2_of_get_remote_port( + const struct device_node *node) +{ + return NULL; +} + +#endif /* CONFIG_OF */ + +#endif /* _V4L2_OF_H */ |