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V4L/DVB (6217): V4L: Int if: Add BT.656 interface support

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This patch adds BT.656 interface settings for [gs]_ifparm.

Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Sakari Ailus 2007-08-30 09:20:39 -03:00 committed by Mauro Carvalho Chehab
parent 098c645e39
commit 08256ea0da
1 changed files with 50 additions and 0 deletions
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50
include/media/v4l2-int-device.h
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@ -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;
};