__u32 denominator;
};
-/*
- * D R I V E R C A P A B I L I T I E S
- */
+/**
+ * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
+ *
+ * @driver: name of the driver module (e.g. "bttv")
+ * @card: name of the card (e.g. "Hauppauge WinTV")
+ * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
+ * @version: KERNEL_VERSION
+ * @capabilities: capabilities of the physical device as a whole
+ * @device_caps: capabilities accessed via this particular device (node)
+ * @reserved: reserved fields for future extensions
+ */
struct v4l2_capability {
- __u8 driver[16]; /* i.e. "bttv" */
- __u8 card[32]; /* i.e. "Hauppauge WinTV" */
- __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */
- __u32 version; /* should use KERNEL_VERSION() */
- __u32 capabilities; /* Device capabilities */
- __u32 reserved[4];
+ __u8 driver[16];
+ __u8 card[32];
+ __u8 bus_info[32];
+ __u32 version;
+ __u32 capabilities;
+ __u32 device_caps;
+ __u32 reserved[3];
};
/* Values for 'capabilities' field */
#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
+#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
+
/*
* V I D E O I M A G E F O R M A T
*/
#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
+#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
+#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
/* two non contiguous planes - one Y, one Cr + Cb interleaved */
#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
#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
struct v4l2_rect c;
};
+/* Hints for adjustments of selection rectangle */
+#define V4L2_SEL_FLAG_GE 0x00000001
+#define V4L2_SEL_FLAG_LE 0x00000002
+
+/* Selection targets */
+
+/* current cropping area */
+#define V4L2_SEL_TGT_CROP_ACTIVE 0
+/* default cropping area */
+#define V4L2_SEL_TGT_CROP_DEFAULT 1
+/* cropping bounds */
+#define V4L2_SEL_TGT_CROP_BOUNDS 2
+/* current composing area */
+#define V4L2_SEL_TGT_COMPOSE_ACTIVE 256
+/* default composing area */
+#define V4L2_SEL_TGT_COMPOSE_DEFAULT 257
+/* composing bounds */
+#define V4L2_SEL_TGT_COMPOSE_BOUNDS 258
+/* current composing area plus all padding pixels */
+#define V4L2_SEL_TGT_COMPOSE_PADDED 259
+
+/**
+ * struct v4l2_selection - selection info
+ * @type: buffer type (do not use *_MPLANE types)
+ * @target: selection target, used to choose one of possible rectangles
+ * @flags: constraints flags
+ * @r: coordinates of selection window
+ * @reserved: for future use, rounds structure size to 64 bytes, set to zero
+ *
+ * Hardware may use multiple helper window to process a video stream.
+ * The structure is used to exchange this selection areas between
+ * an application and a driver.
+ */
+struct v4l2_selection {
+ __u32 type;
+ __u32 target;
+ __u32 flags;
+ struct v4l2_rect r;
+ __u32 reserved[9];
+};
+
+
/*
* A N A L O G V I D E O S T A N D A R D
*/
#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
-#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
-#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
+#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
+#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
-#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000)
+#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
v4l2-common.c should be fixed.
*/
-/* some merged standards */
-#define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
-#define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
-#define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
-#define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
+/*
+ * Some macros to merge video standards in order to make live easier for the
+ * drivers and V4L2 applications
+ */
-/* some common needed stuff */
-#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
- V4L2_STD_PAL_B1 |\
- V4L2_STD_PAL_G)
-#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
- V4L2_STD_PAL_D1 |\
- V4L2_STD_PAL_K)
-#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
- V4L2_STD_PAL_DK |\
- V4L2_STD_PAL_H |\
- V4L2_STD_PAL_I)
+/*
+ * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
+ * Missing here.
+ */
#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
V4L2_STD_NTSC_M_JP |\
V4L2_STD_NTSC_M_KR)
+/* Secam macros */
#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
V4L2_STD_SECAM_K |\
V4L2_STD_SECAM_K1)
+/* All Secam Standards */
#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
V4L2_STD_SECAM_G |\
V4L2_STD_SECAM_H |\
V4L2_STD_SECAM_DK |\
V4L2_STD_SECAM_L |\
V4L2_STD_SECAM_LC)
+/* PAL macros */
+#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
+ V4L2_STD_PAL_B1 |\
+ V4L2_STD_PAL_G)
+#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
+ V4L2_STD_PAL_D1 |\
+ V4L2_STD_PAL_K)
+/*
+ * "Common" PAL - This macro is there to be compatible with the old
+ * V4L1 concept of "PAL": /BGDKHI.
+ * Several PAL standards are mising here: /M, /N and /Nc
+ */
+#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
+ V4L2_STD_PAL_DK |\
+ V4L2_STD_PAL_H |\
+ V4L2_STD_PAL_I)
+/* Chroma "agnostic" standards */
+#define V4L2_STD_B (V4L2_STD_PAL_B |\
+ V4L2_STD_PAL_B1 |\
+ V4L2_STD_SECAM_B)
+#define V4L2_STD_G (V4L2_STD_PAL_G |\
+ V4L2_STD_SECAM_G)
+#define V4L2_STD_H (V4L2_STD_PAL_H |\
+ V4L2_STD_SECAM_H)
+#define V4L2_STD_L (V4L2_STD_SECAM_L |\
+ V4L2_STD_SECAM_LC)
+#define V4L2_STD_GH (V4L2_STD_G |\
+ V4L2_STD_H)
+#define V4L2_STD_DK (V4L2_STD_PAL_DK |\
+ V4L2_STD_SECAM_DK)
+#define V4L2_STD_BG (V4L2_STD_B |\
+ V4L2_STD_G)
+#define V4L2_STD_MN (V4L2_STD_PAL_M |\
+ V4L2_STD_PAL_N |\
+ V4L2_STD_PAL_Nc |\
+ V4L2_STD_NTSC)
+/* Standards where MTS/BTSC stereo could be found */
+#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
+ V4L2_STD_PAL_M |\
+ V4L2_STD_PAL_N |\
+ V4L2_STD_PAL_Nc)
+
+/* Standards for Countries with 60Hz Line frequency */
#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
V4L2_STD_PAL_60 |\
V4L2_STD_NTSC |\
V4L2_STD_NTSC_443)
+/* Standards for Countries with 50Hz Line frequency */
#define V4L2_STD_625_50 (V4L2_STD_PAL |\
V4L2_STD_PAL_N |\
V4L2_STD_PAL_Nc |\
V4L2_STD_SECAM)
+
#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
V4L2_STD_ATSC_16_VSB)
-
+/* Macros with none and all analog standards */
#define V4L2_STD_UNKNOWN 0
#define V4L2_STD_ALL (V4L2_STD_525_60 |\
V4L2_STD_625_50)
#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
/* User-class control IDs defined by V4L2 */
+#define V4L2_CID_MAX_CTRLS 1024
#define V4L2_CID_BASE (V4L2_CTRL_CLASS_USER | 0x900)
#define V4L2_CID_USER_BASE V4L2_CID_BASE
/* IDs reserved for driver specific controls */
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)
#define V4L2_CID_MIN_BUFFERS_FOR_CAPTURE (V4L2_CID_BASE+39)
#define V4L2_CID_MIN_BUFFERS_FOR_OUTPUT (V4L2_CID_BASE+40)
-/* last CID + 1 */
-#define V4L2_CID_LASTP1 (V4L2_CID_BASE+41)
+#define V4L2_CID_ALPHA_COMPONENT (V4L2_CID_BASE+41)
-/* Minimum number of buffer neede by the device */
+/* last CID + 1 */
+#define V4L2_CID_LASTP1 (V4L2_CID_BASE+42)
/* MPEG-class control IDs defined by V4L2 */
#define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900)
#define V4L2_FLASH_FAULT_TIMEOUT (1 << 1)
#define V4L2_FLASH_FAULT_OVER_TEMPERATURE (1 << 2)
#define V4L2_FLASH_FAULT_SHORT_CIRCUIT (1 << 3)
+#define V4L2_FLASH_FAULT_OVER_CURRENT (1 << 4)
+#define V4L2_FLASH_FAULT_INDICATOR (1 << 5)
#define V4L2_CID_FLASH_CHARGE (V4L2_CID_FLASH_CLASS_BASE + 11)
#define V4L2_CID_FLASH_READY (V4L2_CID_FLASH_CLASS_BASE + 12)
__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
*
#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)
+
+/* Experimental selection API */
+#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
+#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
+
/* Reminder: when adding new ioctls please add support for them to
drivers/media/video/v4l2-compat-ioctl32.c as well! */
projects / platform / upstream / v4l-utils.git / commitdiff