1 files changed, 27 insertions, 0 deletions

diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 225560c1a10f..4b752d5ee80e 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -653,6 +653,10 @@ struct v4l2_buffer {
 #define V4L2_BUF_FLAG_ERROR     0x0040
 #define V4L2_BUF_FLAG_TIMECODE  0x0100  /* timecode field is valid */
 #define V4L2_BUF_FLAG_INPUT     0x0200  /* input field is valid */
+#define V4L2_BUF_FLAG_PREPARED  0x0400  /* Buffer is prepared for queuing */
+/* Cache handling flags */
+#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE       0x0800
+#define V4L2_BUF_FLAG_NO_CACHE_CLEAN            0x1000
 
 /*
  *      O V E R L A Y   P R E V I E W
@@ -1165,6 +1169,7 @@ enum v4l2_power_line_frequency {
         V4L2_CID_POWER_LINE_FREQUENCY_DISABLED  = 0,
         V4L2_CID_POWER_LINE_FREQUENCY_50HZ      = 1,
         V4L2_CID_POWER_LINE_FREQUENCY_60HZ      = 2,
+        V4L2_CID_POWER_LINE_FREQUENCY_AUTO      = 3,
 };
 #define V4L2_CID_HUE_AUTO                       (V4L2_CID_BASE+25)
 #define V4L2_CID_WHITE_BALANCE_TEMPERATURE      (V4L2_CID_BASE+26)
@@ -2138,6 +2143,23 @@ struct v4l2_dbg_chip_ident {
         __u32 revision;    /* chip revision, chip specific */
 } __attribute__ ((packed));
 
+/**
+ * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
+ * @index:      on return, index of the first created buffer
+ * @count:      entry: number of requested buffers,
+ *              return: number of created buffers
+ * @memory:     buffer memory type
+ * @format:     frame format, for which buffers are requested
+ * @reserved:   future extensions
+ */
+struct v4l2_create_buffers {
+        __u32                   index;
+        __u32                   count;
+        enum v4l2_memory        memory;
+        struct v4l2_format      format;
+        __u32                   reserved[8];
+};
+
 /*
  *      I O C T L   C O D E S   F O R   V I D E O   D E V I C E S
  *
@@ -2228,6 +2250,11 @@ struct v4l2_dbg_chip_ident {
 #define VIDIOC_SUBSCRIBE_EVENT   _IOW('V', 90, struct v4l2_event_subscription)
 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
 
+/* Experimental, the below two ioctls may change over the next couple of kernel
+   versions */
+#define VIDIOC_CREATE_BUFS      _IOWR('V', 92, struct v4l2_create_buffers)
+#define VIDIOC_PREPARE_BUF      _IOWR('V', 93, struct v4l2_buffer)
+
 /* Reminder: when adding new ioctls please add support for them to
    drivers/media/video/v4l2-compat-ioctl32.c as well! */