Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 254 insertions, 0 deletions

diff --git a/include/media/v4l2-mediabus.h b/include/media/v4l2-mediabus.h
new file mode 100644
index 000000000..f67a74daf
--- /dev/null
+++ b/include/media/v4l2-mediabus.h
@@ -0,0 +1,254 @@
+/* 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>
+
+/*
+ * How to use the V4L2_MBUS_* flags:
+ * Flags are defined for each of the possible states and values of a media
+ * bus configuration parameter. One and only one bit of each group of flags
+ * shall be set by the users of the v4l2_subdev_pad_ops.get_mbus_config
+ * operation to ensure that no conflicting settings are specified when
+ * reporting the media bus configuration. For example, it is invalid to set or
+ * clear both the V4L2_MBUS_HSYNC_ACTIVE_HIGH and the
+ * V4L2_MBUS_HSYNC_ACTIVE_LOW flag at the same time. Instead either flag
+ * V4L2_MBUS_HSYNC_ACTIVE_HIGH or flag V4L2_MBUS_HSYNC_ACTIVE_LOW shall be set.
+ *
+ * TODO: replace the existing V4L2_MBUS_* flags with structures of fields
+ * to avoid conflicting settings.
+ *
+ * In example:
+ *     #define V4L2_MBUS_HSYNC_ACTIVE_HIGH             BIT(2)
+ *     #define V4L2_MBUS_HSYNC_ACTIVE_LOW              BIT(3)
+ * will be replaced by a field whose value reports the intended active state of
+ * the signal:
+ *     unsigned int v4l2_mbus_hsync_active : 1;
+ */
+
+/* Parallel flags */
+/*
+ * The client runs 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 */
+/* Clock non-continuous mode support. */
+#define V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK	BIT(0)
+
+#define V4L2_MBUS_CSI2_MAX_DATA_LANES		8
+
+/**
+ * struct v4l2_mbus_config_mipi_csi2 - MIPI CSI-2 data bus configuration
+ * @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_mbus_config_mipi_csi2 {
+	unsigned int flags;
+	unsigned char data_lanes[V4L2_MBUS_CSI2_MAX_DATA_LANES];
+	unsigned char clock_lane;
+	unsigned char num_data_lanes;
+	bool lane_polarities[1 + V4L2_MBUS_CSI2_MAX_DATA_LANES];
+};
+
+/**
+ * struct v4l2_mbus_config_parallel - parallel data bus configuration
+ * @flags: media bus (V4L2_MBUS_*) flags
+ * @bus_width: bus width in bits
+ * @data_shift: data shift in bits
+ */
+struct v4l2_mbus_config_parallel {
+	unsigned int flags;
+	unsigned char bus_width;
+	unsigned char data_shift;
+};
+
+/**
+ * struct v4l2_mbus_config_mipi_csi1 - CSI-1/CCP2 data bus configuration
+ * @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_mbus_config_mipi_csi1 {
+	unsigned char clock_inv:1;
+	unsigned char strobe:1;
+	bool lane_polarity[2];
+	unsigned char data_lane;
+	unsigned char clock_lane;
+};
+
+/**
+ * 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_DPI:      MIPI VIDEO DPI interface
+ * @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_DPI,
+	V4L2_MBUS_INVALID,
+};
+
+/**
+ * struct v4l2_mbus_config - media bus configuration
+ * @type: interface type
+ * @bus: bus configuration data structure
+ * @bus.parallel: embedded &struct v4l2_mbus_config_parallel.
+ *		  Used if the bus is parallel or BT.656.
+ * @bus.mipi_csi1: embedded &struct v4l2_mbus_config_mipi_csi1.
+ *		   Used if the bus is MIPI Alliance's Camera Serial
+ *		   Interface version 1 (MIPI CSI1) or Standard
+ *		   Mobile Imaging Architecture's Compact Camera Port 2
+ *		   (SMIA CCP2).
+ * @bus.mipi_csi2: embedded &struct v4l2_mbus_config_mipi_csi2.
+ *		   Used if the bus is MIPI Alliance's Camera Serial
+ *		   Interface version 2 (MIPI CSI2).
+ */
+struct v4l2_mbus_config {
+	enum v4l2_mbus_type type;
+	union {
+		struct v4l2_mbus_config_parallel parallel;
+		struct v4l2_mbus_config_mipi_csi1 mipi_csi1;
+		struct v4l2_mbus_config_mipi_csi2 mipi_csi2;
+	} bus;
+};
+
+/**
+ * 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_mbus_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_mplane - 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_mbus_format_mplane - 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