/* * Media Bus API header * * Copyright (C) 2009, Guennadi Liakhovetski * * 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. */ #ifndef V4L2_MEDIABUS_H #define V4L2_MEDIABUS_H #include /* Parallel flags */ /* * Can the client run in master or in slave mode. By "Master mode" an operation * mode is meant, when the client (e.g., a camera sensor) is producing * horizontal and vertical synchronisation. In "Slave mode" the host is * providing these signals to the slave. */ #define V4L2_MBUS_MASTER (1 << 0) #define V4L2_MBUS_SLAVE (1 << 1) /* * Signal polarity flags * Note: in BT.656 mode HSYNC, FIELD, and VSYNC are unused * V4L2_MBUS_[HV]SYNC* flags should be also used for specifying * configuration of hardware that uses [HV]REF signals */ #define V4L2_MBUS_HSYNC_ACTIVE_HIGH (1 << 2) #define V4L2_MBUS_HSYNC_ACTIVE_LOW (1 << 3) #define V4L2_MBUS_VSYNC_ACTIVE_HIGH (1 << 4) #define V4L2_MBUS_VSYNC_ACTIVE_LOW (1 << 5) #define V4L2_MBUS_PCLK_SAMPLE_RISING (1 << 6) #define V4L2_MBUS_PCLK_SAMPLE_FALLING (1 << 7) #define V4L2_MBUS_DATA_ACTIVE_HIGH (1 << 8) #define V4L2_MBUS_DATA_ACTIVE_LOW (1 << 9) /* FIELD = 0/1 - Field1 (odd)/Field2 (even) */ #define V4L2_MBUS_FIELD_EVEN_HIGH (1 << 10) /* FIELD = 1/0 - Field1 (odd)/Field2 (even) */ #define V4L2_MBUS_FIELD_EVEN_LOW (1 << 11) /* Active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively. */ #define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH (1 << 12) #define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW (1 << 13) /* Serial flags */ /* How many lanes the client can use */ #define V4L2_MBUS_CSI2_1_LANE (1 << 0) #define V4L2_MBUS_CSI2_2_LANE (1 << 1) #define V4L2_MBUS_CSI2_3_LANE (1 << 2) #define V4L2_MBUS_CSI2_4_LANE (1 << 3) /* On which channels it can send video data */ #define V4L2_MBUS_CSI2_CHANNEL_0 (1 << 4) #define V4L2_MBUS_CSI2_CHANNEL_1 (1 << 5) #define V4L2_MBUS_CSI2_CHANNEL_2 (1 << 6) #define V4L2_MBUS_CSI2_CHANNEL_3 (1 << 7) /* Does it support only continuous or also non-continuous clock mode */ #define V4L2_MBUS_CSI2_CONTINUOUS_CLOCK (1 << 8) #define V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK (1 << 9) #define V4L2_MBUS_CSI2_LANES (V4L2_MBUS_CSI2_1_LANE | V4L2_MBUS_CSI2_2_LANE | \ V4L2_MBUS_CSI2_3_LANE | V4L2_MBUS_CSI2_4_LANE) #define V4L2_MBUS_CSI2_CHANNELS (V4L2_MBUS_CSI2_CHANNEL_0 | V4L2_MBUS_CSI2_CHANNEL_1 | \ V4L2_MBUS_CSI2_CHANNEL_2 | V4L2_MBUS_CSI2_CHANNEL_3) /** * enum v4l2_mbus_type - media bus type * @V4L2_MBUS_PARALLEL: parallel interface with hsync and vsync * @V4L2_MBUS_BT656: parallel interface with embedded synchronisation, can * also be used for BT.1120 * @V4L2_MBUS_CSI2: MIPI CSI-2 serial interface */ enum v4l2_mbus_type { V4L2_MBUS_PARALLEL, V4L2_MBUS_BT656, V4L2_MBUS_CSI2, }; /** * struct v4l2_mbus_config - media bus configuration * @type: in: interface type * @flags: in / out: configuration flags, depending on @type */ struct v4l2_mbus_config { enum v4l2_mbus_type type; unsigned int flags; }; static inline void v4l2_fill_pix_format(struct v4l2_pix_format *pix_fmt, const struct v4l2_mbus_framefmt *mbus_fmt) { pix_fmt->width = mbus_fmt->width; pix_fmt->height = mbus_fmt->height; pix_fmt->field = mbus_fmt->field; pix_fmt->colorspace = mbus_fmt->colorspace; pix_fmt->ycbcr_enc = mbus_fmt->ycbcr_enc; pix_fmt->quantization = mbus_fmt->quantization; pix_fmt->xfer_func = mbus_fmt->xfer_func; } static inline void v4l2_fill_mbus_format(struct v4l2_mbus_framefmt *mbus_fmt, const struct v4l2_pix_format *pix_fmt, u32 code) { mbus_fmt->width = pix_fmt->width; mbus_fmt->height = pix_fmt->height; mbus_fmt->field = pix_fmt->field; mbus_fmt->colorspace = pix_fmt->colorspace; mbus_fmt->ycbcr_enc = pix_fmt->ycbcr_enc; mbus_fmt->quantization = pix_fmt->quantization; mbus_fmt->xfer_func = pix_fmt->xfer_func; mbus_fmt->code = code; } #endif 20space:mode:

Diffstat (limited to 'include/uapi/mtd')