diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/pwc/pwc.h | 131 |
1 files changed, 68 insertions, 63 deletions
diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h index ae92fe211f6d..cfe82319f343 100644 --- a/drivers/media/video/pwc/pwc.h +++ b/drivers/media/video/pwc/pwc.h @@ -77,9 +77,9 @@ #define PWC_DEBUG_LEVEL (PWC_DEBUG_LEVEL_MODULE) #define PWC_DEBUG(level, fmt, args...) do {\ - if ((PWC_DEBUG_LEVEL_ ##level) & pwc_trace) \ - printk(KERN_DEBUG PFX fmt, ##args); \ - } while(0) + if ((PWC_DEBUG_LEVEL_ ##level) & pwc_trace) \ + printk(KERN_DEBUG PFX fmt, ##args); \ + } while (0) #define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args) #define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args) @@ -152,40 +152,41 @@ struct pwc_frame_buf struct pwc_device { struct video_device vdev; - - /* Pointer to our usb_device, may be NULL after unplug */ - struct usb_device *udev; - - int type; /* type of cam (645, 646, 675, 680, 690, 720, 730, 740, 750) */ - int release; /* release number */ - int features; /* feature bits */ - char serial[30]; /* serial number (string) */ - int error_status; /* set when something goes wrong with the cam (unplugged, USB errors) */ - int usb_init; /* set when the cam has been initialized over USB */ - - /*** Video data ***/ - int vopen; /* flag */ - int vendpoint; /* video isoc endpoint */ - int vcinterface; /* video control interface */ - int valternate; /* alternate interface needed */ - int vframes, vsize; /* frames-per-second & size (see PSZ_*) */ - int pixfmt; /* pixelformat: V4L2_PIX_FMT_YUV420 or raw: _PWC1, _PWC2 */ - int vframe_count; /* received frames */ - int vmax_packet_size; /* USB maxpacket size */ - int vlast_packet_size; /* for frame synchronisation */ - int visoc_errors; /* number of contiguous ISOC errors */ - int vcompression; /* desired compression factor */ - int vbandlength; /* compressed band length; 0 is uncompressed */ - char vsnapshot; /* snapshot mode */ - char vsync; /* used by isoc handler */ - char vmirror; /* for ToUCaM series */ + struct mutex modlock; + + /* Pointer to our usb_device, may be NULL after unplug */ + struct usb_device *udev; + /* type of cam (645, 646, 675, 680, 690, 720, 730, 740, 750) */ + int type; + int release; /* release number */ + int features; /* feature bits */ + char serial[30]; /* serial number (string) */ + int error_status; /* set when something goes wrong */ + int usb_init; /* set when the cam has been initialized */ + + /*** Video data ***/ + int vopen; /* flag */ + int vendpoint; /* video isoc endpoint */ + int vcinterface; /* video control interface */ + int valternate; /* alternate interface needed */ + int vframes, vsize; /* frames-per-second & size (see PSZ_*) */ + int pixfmt; /* pixelformat: V4L2_PIX_FMT_YUV420 or _PWCX */ + int vframe_count; /* received frames */ + int vmax_packet_size; /* USB maxpacket size */ + int vlast_packet_size; /* for frame synchronisation */ + int visoc_errors; /* number of contiguous ISOC errors */ + int vcompression; /* desired compression factor */ + int vbandlength; /* compressed band length; 0 is uncompressed */ + char vsnapshot; /* snapshot mode */ + char vsync; /* used by isoc handler */ + char vmirror; /* for ToUCaM series */ char unplugged; - int cmd_len; - unsigned char cmd_buf[13]; + int cmd_len; + unsigned char cmd_buf[13]; - struct pwc_iso_buf sbuf[MAX_ISO_BUFS]; - char iso_init; + struct pwc_iso_buf sbuf[MAX_ISO_BUFS]; + char iso_init; /* videobuf2 queue and queued buffers list */ struct vb2_queue vb_queue; @@ -200,39 +201,43 @@ struct pwc_device */ struct pwc_frame_buf *fill_buf; - int frame_header_size, frame_trailer_size; - int frame_size; - int frame_total_size; /* including header & trailer */ - int drop_frames; - - void *decompress_data; /* private data for decompression engine */ - - /* We have an 'image' and a 'view', where 'image' is the fixed-size image - as delivered by the camera, and 'view' is the size requested by the - program. The camera image is centered in this viewport, laced with - a gray or black border. view_min <= image <= view <= view_max; - */ - int image_mask; /* bitmask of supported sizes */ - struct pwc_coord view_min, view_max; /* minimum and maximum viewable sizes */ - struct pwc_coord abs_max; /* maximum supported size with compression */ - struct pwc_coord image, view; /* image and viewport size */ - struct pwc_coord offset; /* offset within the viewport */ - - struct mutex modlock; /* to prevent races in video_open(), etc */ - - /*** motorized pan/tilt feature */ - struct pwc_mpt_range angle_range; - int pan_angle; /* in degrees * 100 */ - int tilt_angle; /* absolute angle; 0,0 is home position */ - int snapshot_button_status; /* set to 1 when the user push the button, reset to 0 when this value is read */ + int frame_header_size, frame_trailer_size; + int frame_size; + int frame_total_size; /* including header & trailer */ + int drop_frames; + + void *decompress_data; /* private data for decompression engine */ + + /* + * We have an 'image' and a 'view', where 'image' is the fixed-size img + * as delivered by the camera, and 'view' is the size requested by the + * program. The camera image is centered in this viewport, laced with + * a gray or black border. view_min <= image <= view <= view_max; + */ + int image_mask; /* supported sizes */ + struct pwc_coord view_min, view_max; /* minimum and maximum view */ + struct pwc_coord abs_max; /* maximum supported size */ + struct pwc_coord image, view; /* image and viewport size */ + struct pwc_coord offset; /* offset of the viewport */ + + /*** motorized pan/tilt feature */ + struct pwc_mpt_range angle_range; + int pan_angle; /* in degrees * 100 */ + int tilt_angle; /* absolute angle; 0,0 is home */ + + /* + * Set to 1 when the user push the button, reset to 0 + * when this value is read from sysfs. + */ + int snapshot_button_status; #ifdef CONFIG_USB_PWC_INPUT_EVDEV - struct input_dev *button_dev; /* webcam snapshot button input */ - char button_phys[64]; + struct input_dev *button_dev; /* webcam snapshot button input */ + char button_phys[64]; #endif - /*** Misc. data ***/ + /*** Misc. data ***/ #if PWC_INT_PIPE - void *usb_int_handler; /* for the interrupt endpoint */ + void *usb_int_handler; /* for the interrupt endpoint */ #endif }; |
