diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc.h')
| -rw-r--r-- | drivers/media/video/pwc/pwc.h | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h deleted file mode 100644 index 16bbc6df9b0..00000000000 --- a/drivers/media/video/pwc/pwc.h +++ /dev/null @@ -1,355 +0,0 @@ -/* (C) 1999-2003 Nemosoft Unv. - (C) 2004-2006 Luc Saillard (luc@saillard.org) - - NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx - driver and thus may have bugs that are not present in the original version. - Please send bug reports and support requests to <luc@saillard.org>. - The decompression routines have been implemented by reverse-engineering the - Nemosoft binary pwcx module. Caveat emptor. - - 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#ifndef PWC_H -#define PWC_H - -#include <linux/module.h> -#include <linux/usb.h> -#include <linux/spinlock.h> -#include <linux/wait.h> -#include <linux/version.h> -#include <linux/mutex.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <asm/errno.h> -#include <linux/videodev2.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> -#ifdef CONFIG_USB_PWC_INPUT_EVDEV -#include <linux/input.h> -#endif - -#include "pwc-uncompress.h" -#include <media/pwc-ioctl.h> - -/* Version block */ -#define PWC_MAJOR 10 -#define PWC_MINOR 0 -#define PWC_EXTRAMINOR 12 -#define PWC_VERSION_CODE KERNEL_VERSION(PWC_MAJOR,PWC_MINOR,PWC_EXTRAMINOR) -#define PWC_VERSION "10.0.14" -#define PWC_NAME "pwc" -#define PFX PWC_NAME ": " - - -/* Trace certain actions in the driver */ -#define PWC_DEBUG_LEVEL_MODULE (1<<0) -#define PWC_DEBUG_LEVEL_PROBE (1<<1) -#define PWC_DEBUG_LEVEL_OPEN (1<<2) -#define PWC_DEBUG_LEVEL_READ (1<<3) -#define PWC_DEBUG_LEVEL_MEMORY (1<<4) -#define PWC_DEBUG_LEVEL_FLOW (1<<5) -#define PWC_DEBUG_LEVEL_SIZE (1<<6) -#define PWC_DEBUG_LEVEL_IOCTL (1<<7) -#define PWC_DEBUG_LEVEL_TRACE (1<<8) - -#define PWC_DEBUG_MODULE(fmt, args...) PWC_DEBUG(MODULE, fmt, ##args) -#define PWC_DEBUG_PROBE(fmt, args...) PWC_DEBUG(PROBE, fmt, ##args) -#define PWC_DEBUG_OPEN(fmt, args...) PWC_DEBUG(OPEN, fmt, ##args) -#define PWC_DEBUG_READ(fmt, args...) PWC_DEBUG(READ, fmt, ##args) -#define PWC_DEBUG_MEMORY(fmt, args...) PWC_DEBUG(MEMORY, fmt, ##args) -#define PWC_DEBUG_FLOW(fmt, args...) PWC_DEBUG(FLOW, fmt, ##args) -#define PWC_DEBUG_SIZE(fmt, args...) PWC_DEBUG(SIZE, fmt, ##args) -#define PWC_DEBUG_IOCTL(fmt, args...) PWC_DEBUG(IOCTL, fmt, ##args) -#define PWC_DEBUG_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args) - - -#ifdef CONFIG_USB_PWC_DEBUG - -#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) - -#define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args) -#define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args) -#define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args) -#define PWC_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args) - -#else /* if ! CONFIG_USB_PWC_DEBUG */ - -#define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args) -#define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args) -#define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args) -#define PWC_TRACE(fmt, args...) do { } while(0) -#define PWC_DEBUG(level, fmt, args...) do { } while(0) - -#define pwc_trace 0 - -#endif - -/* Defines for ToUCam cameras */ -#define TOUCAM_HEADER_SIZE 8 -#define TOUCAM_TRAILER_SIZE 4 - -#define FEATURE_MOTOR_PANTILT 0x0001 -#define FEATURE_CODEC1 0x0002 -#define FEATURE_CODEC2 0x0004 - -/* Turn certain features on/off */ -#define PWC_INT_PIPE 0 - -/* Ignore errors in the first N frames, to allow for startup delays */ -#define FRAME_LOWMARK 5 - -/* Size and number of buffers for the ISO pipe. */ -#define MAX_ISO_BUFS 2 -#define ISO_FRAMES_PER_DESC 10 -#define ISO_MAX_FRAME_SIZE 960 -#define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE) - -/* Frame buffers: contains compressed or uncompressed video data. */ -#define MAX_FRAMES 5 -/* Maximum size after decompression is 640x480 YUV data, 1.5 * 640 * 480 */ -#define PWC_FRAME_SIZE (460800 + TOUCAM_HEADER_SIZE + TOUCAM_TRAILER_SIZE) - -/* Absolute maximum number of buffers available for mmap() */ -#define MAX_IMAGES 10 - -/* Some macros to quickly find the type of a webcam */ -#define DEVICE_USE_CODEC1(x) ((x)<675) -#define DEVICE_USE_CODEC2(x) ((x)>=675 && (x)<700) -#define DEVICE_USE_CODEC3(x) ((x)>=700) -#define DEVICE_USE_CODEC23(x) ((x)>=675) - -/* The following structures were based on cpia.h. Why reinvent the wheel? :-) */ -struct pwc_iso_buf -{ - void *data; - int length; - int read; - struct urb *urb; -}; - -/* intermediate buffers with raw data from the USB cam */ -struct pwc_frame_buf -{ - void *data; - volatile int filled; /* number of bytes filled */ - struct pwc_frame_buf *next; /* list */ -}; - -/* additionnal informations used when dealing image between kernel and userland */ -struct pwc_imgbuf -{ - unsigned long offset; /* offset of this buffer in the big array of image_data */ - int vma_use_count; /* count the number of time this memory is mapped */ -}; - -struct pwc_device -{ - struct video_device *vdev; - - /* Pointer to our usb_device */ - 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 vframes_dumped; /* counter for dumped frames */ - int vframes_error; /* frames received in error */ - 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]; - - /* The image acquisition requires 3 to 4 steps: - 1. data is gathered in short packets from the USB controller - 2. data is synchronized and packed into a frame buffer - 3a. in case data is compressed, decompress it directly into image buffer - 3b. in case data is uncompressed, copy into image buffer with viewport - 4. data is transferred to the user process - - Note that MAX_ISO_BUFS != MAX_FRAMES != MAX_IMAGES.... - We have in effect a back-to-back-double-buffer system. - */ - /* 1: isoc */ - struct pwc_iso_buf sbuf[MAX_ISO_BUFS]; - char iso_init; - - /* 2: frame */ - struct pwc_frame_buf *fbuf; /* all frames */ - struct pwc_frame_buf *empty_frames, *empty_frames_tail; /* all empty frames */ - struct pwc_frame_buf *full_frames, *full_frames_tail; /* all filled frames */ - struct pwc_frame_buf *fill_frame; /* frame currently being filled */ - struct pwc_frame_buf *read_frame; /* frame currently read by user process */ - int frame_header_size, frame_trailer_size; - int frame_size; - int frame_total_size; /* including header & trailer */ - int drop_frames; - - /* 3: decompression */ - void *decompress_data; /* private data for decompression engine */ - - /* 4: image */ - /* 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 */ - - void *image_data; /* total buffer, which is subdivided into ... */ - struct pwc_imgbuf images[MAX_IMAGES];/* ...several images... */ - int fill_image; /* ...which are rotated. */ - int len_per_image; /* length per image */ - int image_read_pos; /* In case we read data in pieces, keep track of were we are in the imagebuffer */ - int image_used[MAX_IMAGES]; /* For MCAPTURE and SYNC */ - - struct mutex modlock; /* to prevent races in video_open(), etc */ - spinlock_t ptrlock; /* for manipulating the buffer pointers */ - - /*** 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 */ -#ifdef CONFIG_USB_PWC_INPUT_EVDEV - struct input_dev *button_dev; /* webcam snapshot button input */ - char button_phys[64]; -#endif - - /*** Misc. data ***/ - wait_queue_head_t frameq; /* When waiting for a frame to finish... */ -#if PWC_INT_PIPE - void *usb_int_handler; /* for the interrupt endpoint */ -#endif -}; - -#ifdef __cplusplus -extern "C" { -#endif - -/* Global variables */ -#ifdef CONFIG_USB_PWC_DEBUG -extern int pwc_trace; -#endif -extern int pwc_mbufs; - -/** functions in pwc-if.c */ -int pwc_handle_frame(struct pwc_device *pdev); -void pwc_next_image(struct pwc_device *pdev); -int pwc_isoc_init(struct pwc_device *pdev); -void pwc_isoc_cleanup(struct pwc_device *pdev); - -/** Functions in pwc-misc.c */ -/* sizes in pixels */ -extern const struct pwc_coord pwc_image_sizes[PSZ_MAX]; - -int pwc_decode_size(struct pwc_device *pdev, int width, int height); -void pwc_construct(struct pwc_device *pdev); - -/** Functions in pwc-ctrl.c */ -/* Request a certain video mode. Returns < 0 if not possible */ -extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot); -extern unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size); -/* Calculate the number of bytes per image (not frame) */ -extern int pwc_mpt_reset(struct pwc_device *pdev, int flags); -extern int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt); - -/* Various controls; should be obvious. Value 0..65535, or < 0 on error */ -extern int pwc_get_brightness(struct pwc_device *pdev); -extern int pwc_set_brightness(struct pwc_device *pdev, int value); -extern int pwc_get_contrast(struct pwc_device *pdev); -extern int pwc_set_contrast(struct pwc_device *pdev, int value); -extern int pwc_get_gamma(struct pwc_device *pdev); -extern int pwc_set_gamma(struct pwc_device *pdev, int value); -extern int pwc_get_saturation(struct pwc_device *pdev, int *value); -extern int pwc_set_saturation(struct pwc_device *pdev, int value); -extern int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value); -extern int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor); -extern int pwc_restore_user(struct pwc_device *pdev); -extern int pwc_save_user(struct pwc_device *pdev); -extern int pwc_restore_factory(struct pwc_device *pdev); - -/* exported for use by v4l2 controls */ -extern int pwc_get_red_gain(struct pwc_device *pdev, int *value); -extern int pwc_set_red_gain(struct pwc_device *pdev, int value); -extern int pwc_get_blue_gain(struct pwc_device *pdev, int *value); -extern int pwc_set_blue_gain(struct pwc_device *pdev, int value); -extern int pwc_get_awb(struct pwc_device *pdev); -extern int pwc_set_awb(struct pwc_device *pdev, int mode); -extern int pwc_set_agc(struct pwc_device *pdev, int mode, int value); -extern int pwc_get_agc(struct pwc_device *pdev, int *value); -extern int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value); -extern int pwc_get_shutter_speed(struct pwc_device *pdev, int *value); - -extern int pwc_set_colour_mode(struct pwc_device *pdev, int colour); -extern int pwc_get_colour_mode(struct pwc_device *pdev, int *colour); -extern int pwc_set_contour(struct pwc_device *pdev, int contour); -extern int pwc_get_contour(struct pwc_device *pdev, int *contour); -extern int pwc_set_backlight(struct pwc_device *pdev, int backlight); -extern int pwc_get_backlight(struct pwc_device *pdev, int *backlight); -extern int pwc_set_flicker(struct pwc_device *pdev, int flicker); -extern int pwc_get_flicker(struct pwc_device *pdev, int *flicker); -extern int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise); -extern int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise); - -/* Power down or up the camera; not supported by all models */ -extern int pwc_camera_power(struct pwc_device *pdev, int power); - -/* Private ioctl()s; see pwc-ioctl.h */ -extern long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg); - -/** Functions in pwc-v4l.c */ -extern long pwc_video_do_ioctl(struct file *file, unsigned int cmd, void *arg); - -/** pwc-uncompress.c */ -/* Expand frame to image, possibly including decompression. Uses read_frame and fill_image */ -extern int pwc_decompress(struct pwc_device *pdev); - -#ifdef __cplusplus -} -#endif - - -#endif -/* vim: set cino= formatoptions=croql cindent shiftwidth=8 tabstop=8: */ |