/* * V4L2 fwnode binding parsing library * * Copyright (c) 2016 Intel Corporation. * Author: Sakari Ailus <sakari.ailus@linux.intel.com> * * 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_FWNODE_H #define _V4L2_FWNODE_H #include <linux/errno.h> #include <linux/fwnode.h> #include <linux/list.h> #include <linux/types.h> #include <media/v4l2-mediabus.h> struct fwnode_handle; #define V4L2_FWNODE_CSI2_MAX_DATA_LANES 4 /** * struct v4l2_fwnode_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_fwnode_bus_mipi_csi2 { unsigned int flags; unsigned char data_lanes[V4L2_FWNODE_CSI2_MAX_DATA_LANES]; unsigned char clock_lane; unsigned short num_data_lanes; bool lane_polarities[1 + V4L2_FWNODE_CSI2_MAX_DATA_LANES]; }; /** * struct v4l2_fwnode_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_fwnode_bus_parallel { unsigned int flags; unsigned char bus_width; unsigned char data_shift; }; /** * struct v4l2_fwnode_bus_mipi_csi1 - CSI-1/CCP2 data bus structure * @clock_inv: polarity of clock/strobe signal * false - not inverted, true - inverted * @strobe: false - data/clock, true - data/strobe * @lane_polarity: the polarities of the clock (index 0) and data lanes * index (1) * @data_lane: the number of the data lane * @clock_lane: the number of the clock lane */ struct v4l2_fwnode_bus_mipi_csi1 { bool clock_inv; bool strobe; bool lane_polarity[2]; unsigned char data_lane; unsigned char clock_lane; }; /** * struct v4l2_fwnode_endpoint - the endpoint data structure * @base: fwnode endpoint of the v4l2_fwnode * @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_fwnode_endpoint { struct fwnode_endpoint base; /* * Fields below this line will be zeroed by * v4l2_fwnode_parse_endpoint() */ enum v4l2_mbus_type bus_type; union { struct v4l2_fwnode_bus_parallel parallel; struct v4l2_fwnode_bus_mipi_csi1 mipi_csi1; struct v4l2_fwnode_bus_mipi_csi2 mipi_csi2; } bus; u64 *link_frequencies; unsigned int nr_of_link_frequencies; }; /** * struct v4l2_fwnode_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_fwnode_link { struct fwnode_handle *local_node; unsigned int local_port; struct fwnode_handle *remote_node; unsigned int remote_port; }; int v4l2_fwnode_endpoint_parse(struct fwnode_handle *fwnode, struct v4l2_fwnode_endpoint *vep); struct v4l2_fwnode_endpoint *v4l2_fwnode_endpoint_alloc_parse( struct fwnode_handle *fwnode); void v4l2_fwnode_endpoint_free(struct v4l2_fwnode_endpoint *vep); int v4l2_fwnode_parse_link(struct fwnode_handle *fwnode, struct v4l2_fwnode_link *link); void v4l2_fwnode_put_link(struct v4l2_fwnode_link *link); #endif /* _V4L2_FWNODE_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Sakari Ailus | 225 | 97.83% | 4 | 66.67% |
| Mauro Carvalho Chehab | 5 | 2.17% | 2 | 33.33% |
| Total | 230 | 100.00% | 6 | 100.00% |