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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | /* * Media Bus API header * * Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de> * * 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 <linux/v4l2-mediabus.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 (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 |