-MODULE_PARM_DESC(ovmod_load,
- "\n<0|1> Automatic 'ovcamchip' module loading."
- "\n0 disabled, 1 enabled."
- "\nIf enabled,'insmod' searches for the required 'ovcamchip'"
- "\nmodule in the system, according to its configuration, and"
- "\nattempts to load that module automatically. This action is"
- "\nperformed once as soon as the 'w9968cf' module is loaded"
- "\ninto memory."
- "\nDefault value is "__MODULE_STRING(W9968CF_OVMOD_LOAD)"."
- "\n");
+MODULE_PARM_DESC(ovmod_load,
+ "\n<0|1> Automatic 'ovcamchip' module loading."
+ "\n0 disabled, 1 enabled."
+ "\nIf enabled,'insmod' searches for the required 'ovcamchip'"
+ "\nmodule in the system, according to its configuration, and"
+ "\nattempts to load that module automatically. This action is"
+ "\nperformed once as soon as the 'w9968cf' module is loaded"
+ "\ninto memory."
+ "\nDefault value is "__MODULE_STRING(W9968CF_OVMOD_LOAD)"."
+ "\n");
- "\n<-1|n[,...]> Specify V4L minor mode number."
- "\n -1 = use next available (default)"
- "\n n = use minor number n (integer >= 0)"
- "\nYou can specify up to "__MODULE_STRING(W9968CF_MAX_DEVICES)
- " cameras this way."
- "\nFor example:"
- "\nvideo_nr=-1,2,-1 would assign minor number 2 to"
- "\nthe second camera and use auto for the first"
- "\none and for every other camera."
- "\n");
+ "\n<-1|n[,...]> Specify V4L minor mode number."
+ "\n -1 = use next available (default)"
+ "\n n = use minor number n (integer >= 0)"
+ "\nYou can specify up to "__MODULE_STRING(W9968CF_MAX_DEVICES)
+ " cameras this way."
+ "\nFor example:"
+ "\nvideo_nr=-1,2,-1 would assign minor number 2 to"
+ "\nthe second camera and use auto for the first"
+ "\none and for every other camera."
+ "\n");
- "\n<n[,...]> For advanced users."
- "\nSpecify the maximum number of video frame buffers"
- "\nto allocate for each device, from 2 to "
- __MODULE_STRING(W9968CF_MAX_BUFFERS)
- ". (default is "__MODULE_STRING(W9968CF_BUFFERS)")."
- "\n");
-MODULE_PARM_DESC(double_buffer,
- "\n<0|1[,...]> "
- "Hardware double buffering: 0 disabled, 1 enabled."
- "\nIt should be enabled if you want smooth video output: if"
- "\nyou obtain out of sync. video, disable it, or try to"
- "\ndecrease the 'clockdiv' module parameter value."
- "\nDefault value is "__MODULE_STRING(W9968CF_DOUBLE_BUFFER)
- " for every device."
- "\n");
-MODULE_PARM_DESC(clamping,
- "\n<0|1[,...]> Video data clamping: 0 disabled, 1 enabled."
- "\nDefault value is "__MODULE_STRING(W9968CF_CLAMPING)
- " for every device."
- "\n");
-MODULE_PARM_DESC(filter_type,
- "\n<0|1|2[,...]> Video filter type."
- "\n0 none, 1 (1-2-1) 3-tap filter, "
- "2 (2-3-6-3-2) 5-tap filter."
- "\nDefault value is "__MODULE_STRING(W9968CF_FILTER_TYPE)
- " for every device."
- "\nThe filter is used to reduce noise and aliasing artifacts"
- "\nproduced by the CCD or CMOS image sensor, and the scaling"
- " process."
- "\n");
-MODULE_PARM_DESC(largeview,
- "\n<0|1[,...]> Large view: 0 disabled, 1 enabled."
- "\nDefault value is "__MODULE_STRING(W9968CF_LARGEVIEW)
- " for every device."
- "\n");
-MODULE_PARM_DESC(upscaling,
- "\n<0|1[,...]> Software scaling (for non-compressed video):"
- "\n0 disabled, 1 enabled."
- "\nDisable it if you have a slow CPU or you don't have"
- " enough memory."
- "\nDefault value is "__MODULE_STRING(W9968CF_UPSCALING)
- " for every device."
- "\nIf 'w9968cf-vpp' is not present, this parameter is"
- " set to 0."
- "\n");
+ "\n<n[,...]> For advanced users."
+ "\nSpecify the maximum number of video frame buffers"
+ "\nto allocate for each device, from 2 to "
+ __MODULE_STRING(W9968CF_MAX_BUFFERS)
+ ". (default is "__MODULE_STRING(W9968CF_BUFFERS)")."
+ "\n");
+MODULE_PARM_DESC(double_buffer,
+ "\n<0|1[,...]> "
+ "Hardware double buffering: 0 disabled, 1 enabled."
+ "\nIt should be enabled if you want smooth video output: if"
+ "\nyou obtain out of sync. video, disable it, or try to"
+ "\ndecrease the 'clockdiv' module parameter value."
+ "\nDefault value is "__MODULE_STRING(W9968CF_DOUBLE_BUFFER)
+ " for every device."
+ "\n");
+MODULE_PARM_DESC(clamping,
+ "\n<0|1[,...]> Video data clamping: 0 disabled, 1 enabled."
+ "\nDefault value is "__MODULE_STRING(W9968CF_CLAMPING)
+ " for every device."
+ "\n");
+MODULE_PARM_DESC(filter_type,
+ "\n<0|1|2[,...]> Video filter type."
+ "\n0 none, 1 (1-2-1) 3-tap filter, "
+ "2 (2-3-6-3-2) 5-tap filter."
+ "\nDefault value is "__MODULE_STRING(W9968CF_FILTER_TYPE)
+ " for every device."
+ "\nThe filter is used to reduce noise and aliasing artifacts"
+ "\nproduced by the CCD or CMOS image sensor, and the scaling"
+ " process."
+ "\n");
+MODULE_PARM_DESC(largeview,
+ "\n<0|1[,...]> Large view: 0 disabled, 1 enabled."
+ "\nDefault value is "__MODULE_STRING(W9968CF_LARGEVIEW)
+ " for every device."
+ "\n");
+MODULE_PARM_DESC(upscaling,
+ "\n<0|1[,...]> Software scaling (for non-compressed video):"
+ "\n0 disabled, 1 enabled."
+ "\nDisable it if you have a slow CPU or you don't have"
+ " enough memory."
+ "\nDefault value is "__MODULE_STRING(W9968CF_UPSCALING)
+ " for every device."
+ "\nIf 'w9968cf-vpp' is not present, this parameter is"
+ " set to 0."
+ "\n");
- "\n<0|1|2[,...]> Software video decompression:"
- "\n- 0 disables decompression (doesn't allow formats needing"
- " decompression)"
- "\n- 1 forces decompression (allows formats needing"
- " decompression only);"
- "\n- 2 allows any permitted formats."
- "\nFormats supporting compressed video are YUV422P and"
- " YUV420P/YUV420 "
- "\nin any resolutions where both width and height are "
- "a multiple of 16."
- "\nDefault value is "__MODULE_STRING(W9968CF_DECOMPRESSION)
- " for every device."
- "\nIf 'w9968cf-vpp' is not present, forcing decompression is "
- "\nnot allowed; in this case this parameter is set to 2."
- "\n");
+ "\n<0|1|2[,...]> Software video decompression:"
+ "\n- 0 disables decompression (doesn't allow formats needing"
+ " decompression)"
+ "\n- 1 forces decompression (allows formats needing"
+ " decompression only);"
+ "\n- 2 allows any permitted formats."
+ "\nFormats supporting compressed video are YUV422P and"
+ " YUV420P/YUV420 "
+ "\nin any resolutions where both width and height are "
+ "a multiple of 16."
+ "\nDefault value is "__MODULE_STRING(W9968CF_DECOMPRESSION)
+ " for every device."
+ "\nIf 'w9968cf-vpp' is not present, forcing decompression is "
+ "\nnot allowed; in this case this parameter is set to 2."
+ "\n");
- "\n<0"
- "|" __MODULE_STRING(VIDEO_PALETTE_UYVY)
- "|" __MODULE_STRING(VIDEO_PALETTE_YUV420)
- "|" __MODULE_STRING(VIDEO_PALETTE_YUV422P)
- "|" __MODULE_STRING(VIDEO_PALETTE_YUV420P)
- "|" __MODULE_STRING(VIDEO_PALETTE_YUYV)
- "|" __MODULE_STRING(VIDEO_PALETTE_YUV422)
- "|" __MODULE_STRING(VIDEO_PALETTE_GREY)
- "|" __MODULE_STRING(VIDEO_PALETTE_RGB555)
- "|" __MODULE_STRING(VIDEO_PALETTE_RGB565)
- "|" __MODULE_STRING(VIDEO_PALETTE_RGB24)
- "|" __MODULE_STRING(VIDEO_PALETTE_RGB32)
- "[,...]>"
- " Force picture palette."
- "\nIn order:"
- "\n- 0 allows any of the following formats:"
- "\n- UYVY 16 bpp - Original video, compression disabled"
- "\n- YUV420 12 bpp - Original video, compression enabled"
- "\n- YUV422P 16 bpp - Original video, compression enabled"
- "\n- YUV420P 12 bpp - Original video, compression enabled"
- "\n- YUVY 16 bpp - Software conversion from UYVY"
- "\n- YUV422 16 bpp - Software conversion from UYVY"
- "\n- GREY 8 bpp - Software conversion from UYVY"
- "\n- RGB555 16 bpp - Software conversion from UYVY"
- "\n- RGB565 16 bpp - Software conversion from UYVY"
- "\n- RGB24 24 bpp - Software conversion from UYVY"
- "\n- RGB32 32 bpp - Software conversion from UYVY"
- "\nWhen not 0, this parameter will override 'decompression'."
- "\nDefault value is 0 for every device."
- "\nInitial palette is "
- __MODULE_STRING(W9968CF_PALETTE_DECOMP_ON)"."
- "\nIf 'w9968cf-vpp' is not present, this parameter is"
- " set to 9 (UYVY)."
- "\n");
-MODULE_PARM_DESC(force_rgb,
- "\n<0|1[,...]> Read RGB video data instead of BGR:"
- "\n 1 = use RGB component ordering."
- "\n 0 = use BGR component ordering."
- "\nThis parameter has effect when using RGBX palettes only."
- "\nDefault value is "__MODULE_STRING(W9968CF_FORCE_RGB)
- " for every device."
- "\n");
+ "\n<0"
+ "|" __MODULE_STRING(VIDEO_PALETTE_UYVY)
+ "|" __MODULE_STRING(VIDEO_PALETTE_YUV420)
+ "|" __MODULE_STRING(VIDEO_PALETTE_YUV422P)
+ "|" __MODULE_STRING(VIDEO_PALETTE_YUV420P)
+ "|" __MODULE_STRING(VIDEO_PALETTE_YUYV)
+ "|" __MODULE_STRING(VIDEO_PALETTE_YUV422)
+ "|" __MODULE_STRING(VIDEO_PALETTE_GREY)
+ "|" __MODULE_STRING(VIDEO_PALETTE_RGB555)
+ "|" __MODULE_STRING(VIDEO_PALETTE_RGB565)
+ "|" __MODULE_STRING(VIDEO_PALETTE_RGB24)
+ "|" __MODULE_STRING(VIDEO_PALETTE_RGB32)
+ "[,...]>"
+ " Force picture palette."
+ "\nIn order:"
+ "\n- 0 allows any of the following formats:"
+ "\n- UYVY 16 bpp - Original video, compression disabled"
+ "\n- YUV420 12 bpp - Original video, compression enabled"
+ "\n- YUV422P 16 bpp - Original video, compression enabled"
+ "\n- YUV420P 12 bpp - Original video, compression enabled"
+ "\n- YUVY 16 bpp - Software conversion from UYVY"
+ "\n- YUV422 16 bpp - Software conversion from UYVY"
+ "\n- GREY 8 bpp - Software conversion from UYVY"
+ "\n- RGB555 16 bpp - Software conversion from UYVY"
+ "\n- RGB565 16 bpp - Software conversion from UYVY"
+ "\n- RGB24 24 bpp - Software conversion from UYVY"
+ "\n- RGB32 32 bpp - Software conversion from UYVY"
+ "\nWhen not 0, this parameter will override 'decompression'."
+ "\nDefault value is 0 for every device."
+ "\nInitial palette is "
+ __MODULE_STRING(W9968CF_PALETTE_DECOMP_ON)"."
+ "\nIf 'w9968cf-vpp' is not present, this parameter is"
+ " set to 9 (UYVY)."
+ "\n");
+MODULE_PARM_DESC(force_rgb,
+ "\n<0|1[,...]> Read RGB video data instead of BGR:"
+ "\n 1 = use RGB component ordering."
+ "\n 0 = use BGR component ordering."
+ "\nThis parameter has effect when using RGBX palettes only."
+ "\nDefault value is "__MODULE_STRING(W9968CF_FORCE_RGB)
+ " for every device."
+ "\n");
- "\n<0|1[,...]> Banding filter to reduce effects of"
- " fluorescent lighting:"
- "\n 0 disabled, 1 enabled."
- "\nThis filter tries to reduce the pattern of horizontal"
- "\nlight/dark bands caused by some (usually fluorescent)"
- " lighting."
- "\nDefault value is "__MODULE_STRING(W9968CF_BANDINGFILTER)
- " for every device."
- "\n");
+ "\n<0|1[,...]> Banding filter to reduce effects of"
+ " fluorescent lighting:"
+ "\n 0 disabled, 1 enabled."
+ "\nThis filter tries to reduce the pattern of horizontal"
+ "\nlight/dark bands caused by some (usually fluorescent)"
+ " lighting."
+ "\nDefault value is "__MODULE_STRING(W9968CF_BANDINGFILTER)
+ " for every device."
+ "\n");
- "\n<0|1[,...]> Use image sensor as monochrome sensor:"
- "\n 0 = no, 1 = yes"
- "\nNot all the sensors support monochrome color."
- "\nDefault value is "__MODULE_STRING(W9968CF_MONOCHROME)
- " for every device."
- "\n");
-MODULE_PARM_DESC(brightness,
- "\n<n[,...]> Set picture brightness (0-65535)."
- "\nDefault value is "__MODULE_STRING(W9968CF_BRIGHTNESS)
- " for every device."
- "\nThis parameter has no effect if 'autobright' is enabled."
- "\n");
-MODULE_PARM_DESC(hue,
- "\n<n[,...]> Set picture hue (0-65535)."
- "\nDefault value is "__MODULE_STRING(W9968CF_HUE)
- " for every device."
- "\n");
-MODULE_PARM_DESC(colour,
- "\n<n[,...]> Set picture saturation (0-65535)."
- "\nDefault value is "__MODULE_STRING(W9968CF_COLOUR)
- " for every device."
- "\n");
-MODULE_PARM_DESC(contrast,
- "\n<n[,...]> Set picture contrast (0-65535)."
- "\nDefault value is "__MODULE_STRING(W9968CF_CONTRAST)
- " for every device."
- "\n");
-MODULE_PARM_DESC(whiteness,
- "\n<n[,...]> Set picture whiteness (0-65535)."
- "\nDefault value is "__MODULE_STRING(W9968CF_WHITENESS)
- " for every device."
- "\n");
+ "\n<0|1[,...]> Use image sensor as monochrome sensor:"
+ "\n 0 = no, 1 = yes"
+ "\nNot all the sensors support monochrome color."
+ "\nDefault value is "__MODULE_STRING(W9968CF_MONOCHROME)
+ " for every device."
+ "\n");
+MODULE_PARM_DESC(brightness,
+ "\n<n[,...]> Set picture brightness (0-65535)."
+ "\nDefault value is "__MODULE_STRING(W9968CF_BRIGHTNESS)
+ " for every device."
+ "\nThis parameter has no effect if 'autobright' is enabled."
+ "\n");
+MODULE_PARM_DESC(hue,
+ "\n<n[,...]> Set picture hue (0-65535)."
+ "\nDefault value is "__MODULE_STRING(W9968CF_HUE)
+ " for every device."
+ "\n");
+MODULE_PARM_DESC(colour,
+ "\n<n[,...]> Set picture saturation (0-65535)."
+ "\nDefault value is "__MODULE_STRING(W9968CF_COLOUR)
+ " for every device."
+ "\n");
+MODULE_PARM_DESC(contrast,
+ "\n<n[,...]> Set picture contrast (0-65535)."
+ "\nDefault value is "__MODULE_STRING(W9968CF_CONTRAST)
+ " for every device."
+ "\n");
+MODULE_PARM_DESC(whiteness,
+ "\n<n[,...]> Set picture whiteness (0-65535)."
+ "\nDefault value is "__MODULE_STRING(W9968CF_WHITENESS)
+ " for every device."
+ "\n");
- "\n<n> Debugging information level, from 0 to 6:"
- "\n0 = none (use carefully)"
- "\n1 = critical errors"
- "\n2 = significant informations"
- "\n3 = configuration or general messages"
- "\n4 = warnings"
- "\n5 = called functions"
- "\n6 = function internals"
- "\nLevel 5 and 6 are useful for testing only, when only "
- "one device is used."
- "\nDefault value is "__MODULE_STRING(W9968CF_DEBUG_LEVEL)"."
- "\n");
+ "\n<n> Debugging information level, from 0 to 6:"
+ "\n0 = none (use carefully)"
+ "\n1 = critical errors"
+ "\n2 = significant informations"
+ "\n3 = configuration or general messages"
+ "\n4 = warnings"
+ "\n5 = called functions"
+ "\n6 = function internals"
+ "\nLevel 5 and 6 are useful for testing only, when only "
+ "one device is used."
+ "\nDefault value is "__MODULE_STRING(W9968CF_DEBUG_LEVEL)"."
+ "\n");
static int w9968cf_ioctl(struct inode*, struct file*, unsigned, unsigned long);
static ssize_t w9968cf_read(struct file*, char __user *, size_t, loff_t*);
static int w9968cf_v4l_ioctl(struct inode*, struct file*, unsigned int,
static int w9968cf_ioctl(struct inode*, struct file*, unsigned, unsigned long);
static ssize_t w9968cf_read(struct file*, char __user *, size_t, loff_t*);
static int w9968cf_v4l_ioctl(struct inode*, struct file*, unsigned int,
- y0 = 0x0000,
- u0 = y0 + hw_bufsize/2,
- v0 = u0 + hw_bufsize/4,
- y1 = v0 + hw_bufsize/4,
- u1 = y1 + hw_bufsize/2,
- v1 = u1 + hw_bufsize/4;
+ y0 = 0x0000,
+ u0 = y0 + hw_bufsize/2,
+ v0 = u0 + hw_bufsize/4,
+ y1 = v0 + hw_bufsize/4,
+ u1 = y1 + hw_bufsize/2,
+ v1 = u1 + hw_bufsize/4;
win.width, win.height, win.x, win.y)
PDBGG("x=%u ,y=%u, w=%u, h=%u, ax=%u, ay=%u, s_win.x=%u, s_win.y=%u, "
win.width, win.height, win.x, win.y)
PDBGG("x=%u ,y=%u, w=%u, h=%u, ax=%u, ay=%u, s_win.x=%u, s_win.y=%u, "
if (cam->sensor == CC_UNKNOWN) {
DBG(2, "No supported image sensor has been detected by the "
"'ovcamchip' module for the %s (/dev/video%d). Make "
"sure it is loaded *before* (re)connecting the camera.",
symbolic(camlist, cam->id), cam->v4ldev->minor)
if (cam->sensor == CC_UNKNOWN) {
DBG(2, "No supported image sensor has been detected by the "
"'ovcamchip' module for the %s (/dev/video%d). Make "
"sure it is loaded *before* (re)connecting the camera.",
symbolic(camlist, cam->id), cam->v4ldev->minor)
"GPICT", "SPICT", "CCAPTURE", "GWIN", "SWIN", "GFBUF",
"SFBUF", "KEY", "GFREQ", "SFREQ", "GAUDIO", "SAUDIO",
"SYNC", "MCAPTURE", "GMBUF", "GUNIT", "GCAPTURE", "SCAPTURE",
"GPICT", "SPICT", "CCAPTURE", "GWIN", "SWIN", "GFBUF",
"SFBUF", "KEY", "GFREQ", "SFREQ", "GAUDIO", "SAUDIO",
"SYNC", "MCAPTURE", "GMBUF", "GUNIT", "GCAPTURE", "SCAPTURE",