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linux-headers-5.4.0-216
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media
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v4l2-mediabus.h
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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Media Bus API header * * Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de> */ #ifndef V4L2_MEDIABUS_H #define V4L2_MEDIABUS_H #include <linux/v4l2-mediabus.h> #include <linux/bitops.h> /* 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 BIT(0) #define V4L2_MBUS_SLAVE BIT(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 BIT(2) #define V4L2_MBUS_HSYNC_ACTIVE_LOW BIT(3) #define V4L2_MBUS_VSYNC_ACTIVE_HIGH BIT(4) #define V4L2_MBUS_VSYNC_ACTIVE_LOW BIT(5) #define V4L2_MBUS_PCLK_SAMPLE_RISING BIT(6) #define V4L2_MBUS_PCLK_SAMPLE_FALLING BIT(7) #define V4L2_MBUS_DATA_ACTIVE_HIGH BIT(8) #define V4L2_MBUS_DATA_ACTIVE_LOW BIT(9) /* FIELD = 0/1 - Field1 (odd)/Field2 (even) */ #define V4L2_MBUS_FIELD_EVEN_HIGH BIT(10) /* FIELD = 1/0 - Field1 (odd)/Field2 (even) */ #define V4L2_MBUS_FIELD_EVEN_LOW BIT(11) /* Active state of Sync-on-green (SoG) signal, 0/1 for LOW/HIGH respectively. */ #define V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH BIT(12) #define V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW BIT(13) #define V4L2_MBUS_DATA_ENABLE_HIGH BIT(14) #define V4L2_MBUS_DATA_ENABLE_LOW BIT(15) /* Serial flags */ /* How many lanes the client can use */ #define V4L2_MBUS_CSI2_1_LANE BIT(0) #define V4L2_MBUS_CSI2_2_LANE BIT(1) #define V4L2_MBUS_CSI2_3_LANE BIT(2) #define V4L2_MBUS_CSI2_4_LANE BIT(3) /* On which channels it can send video data */ #define V4L2_MBUS_CSI2_CHANNEL_0 BIT(4) #define V4L2_MBUS_CSI2_CHANNEL_1 BIT(5) #define V4L2_MBUS_CSI2_CHANNEL_2 BIT(6) #define V4L2_MBUS_CSI2_CHANNEL_3 BIT(7) /* Does it support only continuous or also non-continuous clock mode */ #define V4L2_MBUS_CSI2_CONTINUOUS_CLOCK BIT(8) #define V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK BIT(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_UNKNOWN: unknown bus type, no V4L2 mediabus configuration * @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_CSI1: MIPI CSI-1 serial interface * @V4L2_MBUS_CCP2: CCP2 (Compact Camera Port 2) * @V4L2_MBUS_CSI2_DPHY: MIPI CSI-2 serial interface, with D-PHY * @V4L2_MBUS_CSI2_CPHY: MIPI CSI-2 serial interface, with C-PHY * @V4L2_MBUS_INVALID: invalid bus type (keep as last) */ enum v4l2_mbus_type { V4L2_MBUS_UNKNOWN, V4L2_MBUS_PARALLEL, V4L2_MBUS_BT656, V4L2_MBUS_CSI1, V4L2_MBUS_CCP2, V4L2_MBUS_CSI2_DPHY, V4L2_MBUS_CSI2_CPHY, V4L2_MBUS_INVALID, }; /** * 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; }; /** * v4l2_fill_pix_format - Ancillary routine that fills a &struct * v4l2_pix_format fields from a &struct v4l2_mbus_framefmt. * * @pix_fmt: pointer to &struct v4l2_pix_format to be filled * @mbus_fmt: pointer to &struct v4l2_mbus_framefmt to be used as model */ 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; } /** * v4l2_fill_pix_format - Ancillary routine that fills a &struct * v4l2_mbus_framefmt from a &struct v4l2_pix_format and a * data format code. * * @mbus_fmt: pointer to &struct v4l2_mbus_framefmt to be filled * @pix_fmt: pointer to &struct v4l2_pix_format to be used as model * @code: data format code (from &enum v4l2_mbus_pixelcode) */ 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; } /** * v4l2_fill_pix_format - Ancillary routine that fills a &struct * v4l2_pix_format_mplane fields from a media bus structure. * * @pix_mp_fmt: pointer to &struct v4l2_pix_format_mplane to be filled * @mbus_fmt: pointer to &struct v4l2_mbus_framefmt to be used as model */ static inline void v4l2_fill_pix_format_mplane(struct v4l2_pix_format_mplane *pix_mp_fmt, const struct v4l2_mbus_framefmt *mbus_fmt) { pix_mp_fmt->width = mbus_fmt->width; pix_mp_fmt->height = mbus_fmt->height; pix_mp_fmt->field = mbus_fmt->field; pix_mp_fmt->colorspace = mbus_fmt->colorspace; pix_mp_fmt->ycbcr_enc = mbus_fmt->ycbcr_enc; pix_mp_fmt->quantization = mbus_fmt->quantization; pix_mp_fmt->xfer_func = mbus_fmt->xfer_func; } /** * v4l2_fill_pix_format - Ancillary routine that fills a &struct * v4l2_mbus_framefmt from a &struct v4l2_pix_format_mplane. * * @mbus_fmt: pointer to &struct v4l2_mbus_framefmt to be filled * @pix_mp_fmt: pointer to &struct v4l2_pix_format_mplane to be used as model */ static inline void v4l2_fill_mbus_format_mplane(struct v4l2_mbus_framefmt *mbus_fmt, const struct v4l2_pix_format_mplane *pix_mp_fmt) { mbus_fmt->width = pix_mp_fmt->width; mbus_fmt->height = pix_mp_fmt->height; mbus_fmt->field = pix_mp_fmt->field; mbus_fmt->colorspace = pix_mp_fmt->colorspace; mbus_fmt->ycbcr_enc = pix_mp_fmt->ycbcr_enc; mbus_fmt->quantization = pix_mp_fmt->quantization; mbus_fmt->xfer_func = pix_mp_fmt->xfer_func; } #endif