Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / media / v4l2-mediabus.h

diff --git a/kernel/include/media/v4l2-mediabus.h b/kernel/include/media/v4l2-mediabus.h
new file mode 100644 (file)
index 0000000..38d960d
--- /dev/null
+++ b/kernel/include/media/v4l2-mediabus.h
@@ -0,0 +1,114 @@
+/*
+ * 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)
+
+/**
+ * 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,
+};
+
+/**
+ * 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;
+}
+
+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->code = code;
+}
+
+#endif