From 08256ea0da18db20f2edc2e8c935cf74c33ad564 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Thu, 30 Aug 2007 09:20:39 -0300 Subject: [PATCH] V4L/DVB (6217): V4L: Int if: Add BT.656 interface support This patch adds BT.656 interface settings for [gs]_ifparm. Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- include/media/v4l2-int-device.h | 50 +++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h index 861978deb3..4e07707bd5 100644 --- a/include/media/v4l2-int-device.h +++ b/include/media/v4l2-int-device.h @@ -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; }; -- 2.39.5