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authorDave Jones <davej@redhat.com>2006-12-12 17:41:41 -0500
committerDave Jones <davej@redhat.com>2006-12-12 17:41:41 -0500
commitc4366889dda8110247be59ca41fddb82951a8c26 (patch)
tree705c1a996bed8fd48ce94ff33ec9fd00f9b94875 /drivers/media/video/usbvision/usbvision.h
parentdb2fb9db5735cc532fd4fc55e94b9a3c3750378e (diff)
parente1036502e5263851259d147771226161e5ccc85a (diff)
Merge ../linus
Conflicts: drivers/cpufreq/cpufreq.c
Diffstat (limited to 'drivers/media/video/usbvision/usbvision.h')
-rw-r--r--drivers/media/video/usbvision/usbvision.h558
1 files changed, 558 insertions, 0 deletions
diff --git a/drivers/media/video/usbvision/usbvision.h b/drivers/media/video/usbvision/usbvision.h
new file mode 100644
index 00000000000..0e7e3d653ca
--- /dev/null
+++ b/drivers/media/video/usbvision/usbvision.h
@@ -0,0 +1,558 @@
+/*
+ * USBVISION.H
+ * usbvision header file
+ *
+ * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
+ * Dwaine Garden <dwainegarden@rogers.com>
+ *
+ *
+ * Report problems to v4l MailingList : http://www.redhat.com/mailman/listinfo/video4linux-list
+ *
+ * This module is part of usbvision driver project.
+ * Updates to driver completed by Dwaine P. Garden
+ * v4l2 conversion by Thierry Merle <thierry.merle@free.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#ifndef __LINUX_USBVISION_H
+#define __LINUX_USBVISION_H
+
+#include <linux/list.h>
+#include <linux/usb.h>
+#include <media/v4l2-common.h>
+#include <media/tuner.h>
+#include <linux/videodev2.h>
+
+#define USBVISION_DEBUG /* Turn on debug messages */
+
+#ifndef VID_HARDWARE_USBVISION
+ #define VID_HARDWARE_USBVISION 34 /* USBVision Video Grabber */
+#endif
+
+#define USBVISION_PWR_REG 0x00
+ #define USBVISION_SSPND_EN (1 << 1)
+ #define USBVISION_RES2 (1 << 2)
+ #define USBVISION_PWR_VID (1 << 5)
+ #define USBVISION_E2_EN (1 << 7)
+#define USBVISION_CONFIG_REG 0x01
+#define USBVISION_ADRS_REG 0x02
+#define USBVISION_ALTER_REG 0x03
+#define USBVISION_FORCE_ALTER_REG 0x04
+#define USBVISION_STATUS_REG 0x05
+#define USBVISION_IOPIN_REG 0x06
+ #define USBVISION_IO_1 (1 << 0)
+ #define USBVISION_IO_2 (1 << 1)
+ #define USBVISION_AUDIO_IN 0
+ #define USBVISION_AUDIO_TV 1
+ #define USBVISION_AUDIO_RADIO 2
+ #define USBVISION_AUDIO_MUTE 3
+#define USBVISION_SER_MODE 0x07
+#define USBVISION_SER_ADRS 0x08
+#define USBVISION_SER_CONT 0x09
+#define USBVISION_SER_DAT1 0x0A
+#define USBVISION_SER_DAT2 0x0B
+#define USBVISION_SER_DAT3 0x0C
+#define USBVISION_SER_DAT4 0x0D
+#define USBVISION_EE_DATA 0x0E
+#define USBVISION_EE_LSBAD 0x0F
+#define USBVISION_EE_CONT 0x10
+#define USBVISION_DRM_CONT 0x12
+ #define USBVISION_REF (1 << 0)
+ #define USBVISION_RES_UR (1 << 2)
+ #define USBVISION_RES_FDL (1 << 3)
+ #define USBVISION_RES_VDW (1 << 4)
+#define USBVISION_DRM_PRM1 0x13
+#define USBVISION_DRM_PRM2 0x14
+#define USBVISION_DRM_PRM3 0x15
+#define USBVISION_DRM_PRM4 0x16
+#define USBVISION_DRM_PRM5 0x17
+#define USBVISION_DRM_PRM6 0x18
+#define USBVISION_DRM_PRM7 0x19
+#define USBVISION_DRM_PRM8 0x1A
+#define USBVISION_VIN_REG1 0x1B
+ #define USBVISION_8_422_SYNC 0x01
+ #define USBVISION_16_422_SYNC 0x02
+ #define USBVISION_VSNC_POL (1 << 3)
+ #define USBVISION_HSNC_POL (1 << 4)
+ #define USBVISION_FID_POL (1 << 5)
+ #define USBVISION_HVALID_PO (1 << 6)
+ #define USBVISION_VCLK_POL (1 << 7)
+#define USBVISION_VIN_REG2 0x1C
+ #define USBVISION_AUTO_FID (1 << 0)
+ #define USBVISION_NONE_INTER (1 << 1)
+ #define USBVISION_NOHVALID (1 << 2)
+ #define USBVISION_UV_ID (1 << 3)
+ #define USBVISION_FIX_2C (1 << 4)
+ #define USBVISION_SEND_FID (1 << 5)
+ #define USBVISION_KEEP_BLANK (1 << 7)
+#define USBVISION_LXSIZE_I 0x1D
+#define USBVISION_MXSIZE_I 0x1E
+#define USBVISION_LYSIZE_I 0x1F
+#define USBVISION_MYSIZE_I 0x20
+#define USBVISION_LX_OFFST 0x21
+#define USBVISION_MX_OFFST 0x22
+#define USBVISION_LY_OFFST 0x23
+#define USBVISION_MY_OFFST 0x24
+#define USBVISION_FRM_RATE 0x25
+#define USBVISION_LXSIZE_O 0x26
+#define USBVISION_MXSIZE_O 0x27
+#define USBVISION_LYSIZE_O 0x28
+#define USBVISION_MYSIZE_O 0x29
+#define USBVISION_FILT_CONT 0x2A
+#define USBVISION_VO_MODE 0x2B
+#define USBVISION_INTRA_CYC 0x2C
+#define USBVISION_STRIP_SZ 0x2D
+#define USBVISION_FORCE_INTRA 0x2E
+#define USBVISION_FORCE_UP 0x2F
+#define USBVISION_BUF_THR 0x30
+#define USBVISION_DVI_YUV 0x31
+#define USBVISION_AUDIO_CONT 0x32
+#define USBVISION_AUD_PK_LEN 0x33
+#define USBVISION_BLK_PK_LEN 0x34
+#define USBVISION_PCM_THR1 0x38
+#define USBVISION_PCM_THR2 0x39
+#define USBVISION_DIST_THR_L 0x3A
+#define USBVISION_DIST_THR_H 0x3B
+#define USBVISION_MAX_DIST_L 0x3C
+#define USBVISION_MAX_DIST_H 0x3D
+#define USBVISION_OP_CODE 0x33
+
+#define MAX_BYTES_PER_PIXEL 4
+
+#define MIN_FRAME_WIDTH 64
+#define MAX_USB_WIDTH 320 //384
+#define MAX_FRAME_WIDTH 320 //384 /*streching sometimes causes crashes*/
+
+#define MIN_FRAME_HEIGHT 48
+#define MAX_USB_HEIGHT 240 //288
+#define MAX_FRAME_HEIGHT 240 //288 /*Streching sometimes causes crashes*/
+
+#define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL)
+#define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) //bytesize of clipmask
+
+#define USBVISION_URB_FRAMES 32
+#define USBVISION_MAX_ISOC_PACKET_SIZE 959 // NT1003 Specs Document says 1023
+
+#define USBVISION_NUM_HEADERMARKER 20
+#define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */
+#define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */
+
+#define USBVISION_POWEROFF_TIME 3 * (HZ) // 3 seconds
+
+
+#define FRAMERATE_MIN 0
+#define FRAMERATE_MAX 31
+
+enum {
+ ISOC_MODE_YUV422 = 0x03,
+ ISOC_MODE_YUV420 = 0x14,
+ ISOC_MODE_COMPRESS = 0x60,
+};
+
+/* This macro restricts an int variable to an inclusive range */
+#define RESTRICT_TO_RANGE(v,mi,ma) { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); }
+
+/*
+ * We use macros to do YUV -> RGB conversion because this is
+ * very important for speed and totally unimportant for size.
+ *
+ * YUV -> RGB Conversion
+ * ---------------------
+ *
+ * B = 1.164*(Y-16) + 2.018*(V-128)
+ * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128)
+ * R = 1.164*(Y-16) + 1.596*(U-128)
+ *
+ * If you fancy integer arithmetics (as you should), hear this:
+ *
+ * 65536*B = 76284*(Y-16) + 132252*(V-128)
+ * 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128)
+ * 65536*R = 76284*(Y-16) + 104595*(U-128)
+ *
+ * Make sure the output values are within [0..255] range.
+ */
+#define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x)))
+#define YUV_TO_RGB_BY_THE_BOOK(my,mu,mv,mr,mg,mb) { \
+ int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \
+ mm_y = (my) - 16; \
+ mm_u = (mu) - 128; \
+ mm_v = (mv) - 128; \
+ mm_yc= mm_y * 76284; \
+ mm_b = (mm_yc + 132252*mm_v ) >> 16; \
+ mm_g = (mm_yc - 53281*mm_u - 25625*mm_v ) >> 16; \
+ mm_r = (mm_yc + 104595*mm_u ) >> 16; \
+ mb = LIMIT_RGB(mm_b); \
+ mg = LIMIT_RGB(mm_g); \
+ mr = LIMIT_RGB(mm_r); \
+}
+
+/* Debugging aid */
+#define USBVISION_SAY_AND_WAIT(what) { \
+ wait_queue_head_t wq; \
+ init_waitqueue_head(&wq); \
+ printk(KERN_INFO "Say: %s\n", what); \
+ interruptible_sleep_on_timeout (&wq, HZ*3); \
+}
+
+/*
+ * This macro checks if usbvision is still operational. The 'usbvision'
+ * pointer must be valid, usbvision->dev must be valid, we are not
+ * removing the device and the device has not erred on us.
+ */
+#define USBVISION_IS_OPERATIONAL(udevice) (\
+ (udevice != NULL) && \
+ ((udevice)->dev != NULL) && \
+ ((udevice)->last_error == 0) && \
+ (!(udevice)->remove_pending))
+
+/* I2C structures */
+struct i2c_algo_usb_data {
+ void *data; /* private data for lowlevel routines */
+ int (*inb) (void *data, unsigned char addr, char *buf, short len);
+ int (*outb) (void *data, unsigned char addr, char *buf, short len);
+
+ /* local settings */
+ int udelay;
+ int mdelay;
+ int timeout;
+};
+
+#define I2C_USB_ADAP_MAX 16
+
+/* ----------------------------------------------------------------- */
+/* usbvision video structures */
+/* ----------------------------------------------------------------- */
+enum ScanState {
+ ScanState_Scanning, /* Scanning for header */
+ ScanState_Lines /* Parsing lines */
+};
+
+/* Completion states of the data parser */
+enum ParseState {
+ ParseState_Continue, /* Just parse next item */
+ ParseState_NextFrame, /* Frame done, send it to V4L */
+ ParseState_Out, /* Not enough data for frame */
+ ParseState_EndParse /* End parsing */
+};
+
+enum FrameState {
+ FrameState_Unused, /* Unused (no MCAPTURE) */
+ FrameState_Ready, /* Ready to start grabbing */
+ FrameState_Grabbing, /* In the process of being grabbed into */
+ FrameState_Done, /* Finished grabbing, but not been synced yet */
+ FrameState_DoneHold, /* Are syncing or reading */
+ FrameState_Error, /* Something bad happened while processing */
+};
+
+/* stream states */
+enum StreamState {
+ Stream_Off, /* Driver streaming is completely OFF */
+ Stream_Idle, /* Driver streaming is ready to be put ON by the application */
+ Stream_Interrupt, /* Driver streaming must be interrupted */
+ Stream_On, /* Driver streaming is put ON by the application */
+};
+
+enum IsocState {
+ IsocState_InFrame, /* Isoc packet is member of frame */
+ IsocState_NoFrame, /* Isoc packet is not member of any frame */
+};
+
+struct usb_device;
+
+struct usbvision_sbuf {
+ char *data;
+ struct urb *urb;
+};
+
+#define USBVISION_MAGIC_1 0x55
+#define USBVISION_MAGIC_2 0xAA
+#define USBVISION_HEADER_LENGTH 0x0c
+#define USBVISION_SAA7111_ADDR 0x48
+#define USBVISION_SAA7113_ADDR 0x4a
+#define USBVISION_IIC_LRACK 0x20
+#define USBVISION_IIC_LRNACK 0x30
+#define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7)
+
+struct usbvision_v4l2_format_st {
+ int supported;
+ int bytes_per_pixel;
+ int depth;
+ int format;
+ char *desc;
+};
+#define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format)
+
+struct usbvision_frame_header {
+ unsigned char magic_1; /* 0 magic */
+ unsigned char magic_2; /* 1 magic */
+ unsigned char headerLength; /* 2 */
+ unsigned char frameNum; /* 3 */
+ unsigned char framePhase; /* 4 */
+ unsigned char frameLatency; /* 5 */
+ unsigned char dataFormat; /* 6 */
+ unsigned char formatParam; /* 7 */
+ unsigned char frameWidthLo; /* 8 */
+ unsigned char frameWidthHi; /* 9 */
+ unsigned char frameHeightLo; /* 10 */
+ unsigned char frameHeightHi; /* 11 */
+ __u16 frameWidth; /* 8 - 9 after endian correction*/
+ __u16 frameHeight; /* 10 - 11 after endian correction*/
+};
+
+/* tvnorms */
+struct usbvision_tvnorm {
+ char *name;
+ v4l2_std_id id;
+ /* mode for saa7113h */
+ int mode;
+};
+
+struct usbvision_frame {
+ char *data; /* Frame buffer */
+ struct usbvision_frame_header isocHeader; /* Header from stream */
+
+ int width; /* Width application is expecting */
+ int height; /* Height */
+ int index; /* Frame index */
+ int frmwidth; /* Width the frame actually is */
+ int frmheight; /* Height */
+
+ volatile int grabstate; /* State of grabbing */
+ int scanstate; /* State of scanning */
+
+ struct list_head frame;
+
+ int curline; /* Line of frame we're working on */
+
+ long scanlength; /* uncompressed, raw data length of frame */
+ long bytes_read; /* amount of scanlength that has been read from data */
+ struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/
+ int v4l2_linesize; /* bytes for one videoline*/
+ struct timeval timestamp;
+ int sequence; // How many video frames we send to user
+};
+
+#define CODEC_SAA7113 7113
+#define CODEC_SAA7111 7111
+#define BRIDGE_NT1003 1003
+#define BRIDGE_NT1004 1004
+#define BRIDGE_NT1005 1005
+
+struct usbvision_device_data_st {
+ int idVendor;
+ int idProduct;
+ int Interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */
+ int Codec;
+ int VideoChannels;
+ __u64 VideoNorm;
+ int AudioChannels;
+ int Radio;
+ int vbi;
+ int Tuner;
+ int TunerType;
+ int Vin_Reg1;
+ int Vin_Reg2;
+ int X_Offset;
+ int Y_Offset;
+ int Dvi_yuv;
+ char *ModelString;
+};
+
+/* Declared on usbvision-cards.c */
+extern struct usbvision_device_data_st usbvision_device_data[];
+extern struct usb_device_id usbvision_table[];
+
+struct usb_usbvision {
+ struct video_device *vdev; /* Video Device */
+ struct video_device *rdev; /* Radio Device */
+ struct video_device *vbi; /* VBI Device */
+
+ /* i2c Declaration Section*/
+ struct i2c_adapter i2c_adap;
+ struct i2c_algo_usb_data i2c_algo;
+ struct i2c_client i2c_client;
+
+ struct urb *ctrlUrb;
+ unsigned char ctrlUrbBuffer[8];
+ int ctrlUrbBusy;
+ struct usb_ctrlrequest ctrlUrbSetup;
+ wait_queue_head_t ctrlUrb_wq; // Processes waiting
+ struct semaphore ctrlUrbLock;
+
+ /* configuration part */
+ int have_tuner;
+ int tuner_type;
+ int tuner_addr;
+ int bridgeType; // NT1003, NT1004, NT1005
+ int channel;
+ int radio;
+ int video_inputs; // # of inputs
+ unsigned long freq;
+ int AudioMute;
+ int AudioChannel;
+ int isocMode; // format of video data for the usb isoc-transfer
+ unsigned int nr; // Number of the device
+
+ /* Device structure */
+ struct usb_device *dev;
+ unsigned char iface; /* Video interface number */
+ unsigned char ifaceAltActive, ifaceAltInactive; /* Alt settings */
+ unsigned char Vin_Reg2_Preset;
+ struct semaphore lock;
+ struct timer_list powerOffTimer;
+ struct work_struct powerOffWork;
+ int power; /* is the device powered on? */
+ int user; /* user count for exclusive use */
+ int initialized; /* Had we already sent init sequence? */
+ int DevModel; /* What type of USBVISION device we got? */
+ enum StreamState streaming; /* Are we streaming Isochronous? */
+ int last_error; /* What calamity struck us? */
+ int curwidth; /* width of the frame the device is currently set to*/
+ int curheight; /* height of the frame the device is currently set to*/
+ int stretch_width; /* stretch-factor for frame width (from usb to screen)*/
+ int stretch_height; /* stretch-factor for frame height (from usb to screen)*/
+ char *fbuf; /* Videodev buffer area for mmap*/
+ int max_frame_size; /* Bytes in one video frame */
+ int fbuf_size; /* Videodev buffer size */
+ spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */
+ struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */
+ wait_queue_head_t wait_frame; /* Processes waiting */
+ wait_queue_head_t wait_stream; /* Processes waiting */
+ struct usbvision_frame *curFrame; // pointer to current frame, set by usbvision_find_header
+ struct usbvision_frame frame[USBVISION_NUMFRAMES]; // frame buffer
+ struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; // S buffering
+ volatile int remove_pending; /* If set then about to exit */
+
+ /* Scratch space from the Isochronous Pipe.*/
+ unsigned char *scratch;
+ int scratch_read_ptr;
+ int scratch_write_ptr;
+ int scratch_headermarker[USBVISION_NUM_HEADERMARKER];
+ int scratch_headermarker_read_ptr;
+ int scratch_headermarker_write_ptr;
+ enum IsocState isocstate;
+ struct usbvision_v4l2_format_st palette;
+
+ struct v4l2_capability vcap; /* Video capabilities */
+ unsigned int ctl_input; /* selected input */
+ struct usbvision_tvnorm *tvnorm; /* selected tv norm */
+ unsigned char video_endp; /* 0x82 for USBVISION devices based */
+
+ // Decompression stuff:
+ unsigned char *IntraFrameBuffer; /* Buffer for reference frame */
+ int BlockPos; //for test only
+ int requestIntra; // 0 = normal; 1 = intra frame is requested;
+ int lastIsocFrameNum; // check for lost isoc frames
+ int isocPacketSize; // need to calculate usedBandwidth
+ int usedBandwidth; // used bandwidth 0-100%, need to set comprLevel
+ int comprLevel; // How strong (100) or weak (0) is compression
+ int lastComprLevel; // How strong (100) or weak (0) was compression
+ int usb_bandwidth; /* Mbit/s */
+
+ /* Statistics that can be overlayed on the screen */
+ unsigned long isocUrbCount; // How many URBs we received so far
+ unsigned long urb_length; /* Length of last URB */
+ unsigned long isocDataCount; /* How many bytes we received */
+ unsigned long header_count; /* How many frame headers we found */
+ unsigned long scratch_ovf_count; /* How many times we overflowed scratch */
+ unsigned long isocSkipCount; /* How many empty ISO packets received */
+ unsigned long isocErrCount; /* How many bad ISO packets received */
+ unsigned long isocPacketCount; // How many packets we totally got
+ unsigned long timeInIrq; // How long do we need for interrupt
+ int isocMeasureBandwidthCount;
+ int frame_num; // How many video frames we send to user
+ int maxStripLen; // How big is the biggest strip
+ int comprBlockPos;
+ int stripLenErrors; // How many times was BlockPos greater than StripLen
+ int stripMagicErrors;
+ int stripLineNumberErrors;
+ int ComprBlockTypes[4];
+};
+
+
+/* --------------------------------------------------------------- */
+/* defined in usbvision-i2c.c */
+/* i2c-algo-usb declaration */
+/* --------------------------------------------------------------- */
+
+int usbvision_i2c_usb_add_bus(struct i2c_adapter *);
+int usbvision_i2c_usb_del_bus(struct i2c_adapter *);
+
+static inline void *i2c_get_algo_usb_data (struct i2c_algo_usb_data *dev)
+{
+ return dev->data;
+}
+
+static inline void i2c_set_algo_usb_data (struct i2c_algo_usb_data *dev, void *data)
+{
+ dev->data = data;
+}
+
+
+/* ----------------------------------------------------------------------- */
+/* usbvision specific I2C functions */
+/* ----------------------------------------------------------------------- */
+int usbvision_init_i2c(struct usb_usbvision *usbvision);
+void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,void *arg);
+
+/* defined in usbvision-core.c */
+void *usbvision_rvmalloc(unsigned long size);
+void usbvision_rvfree(void *mem, unsigned long size);
+int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);
+int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg,
+ unsigned char value);
+
+int usbvision_frames_alloc(struct usb_usbvision *usbvision);
+void usbvision_frames_free(struct usb_usbvision *usbvision);
+int usbvision_scratch_alloc(struct usb_usbvision *usbvision);
+void usbvision_scratch_free(struct usb_usbvision *usbvision);
+int usbvision_sbuf_alloc(struct usb_usbvision *usbvision);
+void usbvision_sbuf_free(struct usb_usbvision *usbvision);
+int usbvision_decompress_alloc(struct usb_usbvision *usbvision);
+void usbvision_decompress_free(struct usb_usbvision *usbvision);
+
+int usbvision_setup(struct usb_usbvision *usbvision,int format);
+int usbvision_init_isoc(struct usb_usbvision *usbvision);
+int usbvision_restart_isoc(struct usb_usbvision *usbvision);
+void usbvision_stop_isoc(struct usb_usbvision *usbvision);
+
+int usbvision_set_audio(struct usb_usbvision *usbvision, int AudioChannel);
+int usbvision_audio_off(struct usb_usbvision *usbvision);
+
+int usbvision_begin_streaming(struct usb_usbvision *usbvision);
+void usbvision_empty_framequeues(struct usb_usbvision *dev);
+int usbvision_stream_interrupt(struct usb_usbvision *dev);
+
+int usbvision_muxsel(struct usb_usbvision *usbvision, int channel);
+int usbvision_set_input(struct usb_usbvision *usbvision);
+int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height);
+
+void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision);
+void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision);
+void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision);
+int usbvision_power_off(struct usb_usbvision *usbvision);
+int usbvision_power_on(struct usb_usbvision *usbvision);
+
+#endif /* __LINUX_USBVISION_H */
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */