V4L/DVB (6217): V4L: Int if: Add BT.656 interface support (08256ea0) · Commits · e / devices / android_kernel_oneplus_sm7250

include/media/v4l2-int-device.h

+50 −0

Original line number	Diff line number	Diff line
		@@ -99,11 +99,61 @@ int v4l2_int_ioctl_1(struct v4l2_int_device d, int cmd, void arg);

		/* Slave interface type. */
		enum v4l2_if_type {
		/*
		* Parallel 8-, 10- or 12-bit interface, used by for example
		* on certain image sensors.
		*/
		V4L2_IF_TYPE_BT656,
		};

		enum v4l2_if_type_bt656_mode {
		/*
		* Modes without Bt synchronisation codes. Separate
		* synchronisation signal lines are used.
		*/
		V4L2_IF_TYPE_BT656_MODE_NOBT_8BIT,
		V4L2_IF_TYPE_BT656_MODE_NOBT_10BIT,
		V4L2_IF_TYPE_BT656_MODE_NOBT_12BIT,
		/*
		* Use Bt synchronisation codes. The vertical and horizontal
		* synchronisation is done based on synchronisation codes.
		*/
		V4L2_IF_TYPE_BT656_MODE_BT_8BIT,
		V4L2_IF_TYPE_BT656_MODE_BT_10BIT,
		};

		struct v4l2_if_type_bt656 {
		/*
		* 0: Frame begins when vsync is high.
		* 1: Frame begins when vsync changes from low to high.
		*/
		unsigned frame_start_on_rising_vs:1;
		/* Use Bt synchronisation codes for sync correction. */
		unsigned bt_sync_correct:1;
		/* Swap every two adjacent image data elements. */
		unsigned swap:1;
		/* Inverted latch clock polarity from slave. */
		unsigned latch_clk_inv:1;
		/* Hs polarity. 0 is active high, 1 active low. */
		unsigned nobt_hs_inv:1;
		/* Vs polarity. 0 is active high, 1 active low. */
		unsigned nobt_vs_inv:1;
		enum v4l2_if_type_bt656_mode mode;
		/* Minimum accepted bus clock for slave (in Hz). */
		u32 clock_min;
		/* Maximum accepted bus clock for slave. */
		u32 clock_max;
		/*
		* Current wish of the slave. May only change in response to
		* ioctls that affect image capture.
		*/
		u32 clock_curr;
		};

		struct v4l2_ifparm {
		enum v4l2_if_type if_type;
		union {
		struct v4l2_if_type_bt656 bt656;
		} u;
		};