diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc.h')
| -rw-r--r-- | drivers/media/video/pwc/pwc.h | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h deleted file mode 100644 index 7a6a0d39c2c6..000000000000 --- a/drivers/media/video/pwc/pwc.h +++ /dev/null @@ -1,393 +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/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-device.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-ctrls.h> -#include <media/v4l2-fh.h> -#include <media/v4l2-event.h> -#include <media/videobuf2-vmalloc.h> -#ifdef CONFIG_USB_PWC_INPUT_EVDEV -#include <linux/input.h> -#endif -#include "pwc-dec1.h" -#include "pwc-dec23.h" - -/* Version block */ -#define PWC_VERSION "10.0.15" -#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 - -#define MAX_WIDTH 640 -#define MAX_HEIGHT 480 - -/* 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 3 -#define ISO_FRAMES_PER_DESC 10 -#define ISO_MAX_FRAME_SIZE 960 -#define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE) - -/* Maximum size after decompression is 640x480 YUV data, 1.5 * 640 * 480 */ -#define PWC_FRAME_SIZE (460800 + TOUCAM_HEADER_SIZE + TOUCAM_TRAILER_SIZE) - -/* Absolute minimum and maximum number of buffers available for mmap() */ -#define MIN_FRAMES 2 -#define MAX_FRAMES 16 - -/* 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) - -/* Request types: video */ -#define SET_LUM_CTL 0x01 -#define GET_LUM_CTL 0x02 -#define SET_CHROM_CTL 0x03 -#define GET_CHROM_CTL 0x04 -#define SET_STATUS_CTL 0x05 -#define GET_STATUS_CTL 0x06 -#define SET_EP_STREAM_CTL 0x07 -#define GET_EP_STREAM_CTL 0x08 -#define GET_XX_CTL 0x09 -#define SET_XX_CTL 0x0A -#define GET_XY_CTL 0x0B -#define SET_XY_CTL 0x0C -#define SET_MPT_CTL 0x0D -#define GET_MPT_CTL 0x0E - -/* Selectors for the Luminance controls [GS]ET_LUM_CTL */ -#define AGC_MODE_FORMATTER 0x2000 -#define PRESET_AGC_FORMATTER 0x2100 -#define SHUTTER_MODE_FORMATTER 0x2200 -#define PRESET_SHUTTER_FORMATTER 0x2300 -#define PRESET_CONTOUR_FORMATTER 0x2400 -#define AUTO_CONTOUR_FORMATTER 0x2500 -#define BACK_LIGHT_COMPENSATION_FORMATTER 0x2600 -#define CONTRAST_FORMATTER 0x2700 -#define DYNAMIC_NOISE_CONTROL_FORMATTER 0x2800 -#define FLICKERLESS_MODE_FORMATTER 0x2900 -#define AE_CONTROL_SPEED 0x2A00 -#define BRIGHTNESS_FORMATTER 0x2B00 -#define GAMMA_FORMATTER 0x2C00 - -/* Selectors for the Chrominance controls [GS]ET_CHROM_CTL */ -#define WB_MODE_FORMATTER 0x1000 -#define AWB_CONTROL_SPEED_FORMATTER 0x1100 -#define AWB_CONTROL_DELAY_FORMATTER 0x1200 -#define PRESET_MANUAL_RED_GAIN_FORMATTER 0x1300 -#define PRESET_MANUAL_BLUE_GAIN_FORMATTER 0x1400 -#define COLOUR_MODE_FORMATTER 0x1500 -#define SATURATION_MODE_FORMATTER1 0x1600 -#define SATURATION_MODE_FORMATTER2 0x1700 - -/* Selectors for the Status controls [GS]ET_STATUS_CTL */ -#define SAVE_USER_DEFAULTS_FORMATTER 0x0200 -#define RESTORE_USER_DEFAULTS_FORMATTER 0x0300 -#define RESTORE_FACTORY_DEFAULTS_FORMATTER 0x0400 -#define READ_AGC_FORMATTER 0x0500 -#define READ_SHUTTER_FORMATTER 0x0600 -#define READ_RED_GAIN_FORMATTER 0x0700 -#define READ_BLUE_GAIN_FORMATTER 0x0800 - -/* Formatters for the motorized pan & tilt [GS]ET_MPT_CTL */ -#define PT_RELATIVE_CONTROL_FORMATTER 0x01 -#define PT_RESET_CONTROL_FORMATTER 0x02 -#define PT_STATUS_FORMATTER 0x03 - -/* Enumeration of image sizes */ -#define PSZ_SQCIF 0x00 -#define PSZ_QSIF 0x01 -#define PSZ_QCIF 0x02 -#define PSZ_SIF 0x03 -#define PSZ_CIF 0x04 -#define PSZ_VGA 0x05 -#define PSZ_MAX 6 - -struct pwc_raw_frame { - __le16 type; /* type of the webcam */ - __le16 vbandlength; /* Size of 4 lines compressed (used by the - decompressor) */ - __u8 cmd[4]; /* the four byte of the command (in case of - nala, only the first 3 bytes is filled) */ - __u8 rawframe[0]; /* frame_size = H / 4 * vbandlength */ -} __packed; - -/* intermediate buffers with raw data from the USB cam */ -struct pwc_frame_buf -{ - struct vb2_buffer vb; /* common v4l buffer stuff -- must be first */ - struct list_head list; - void *data; - int filled; /* number of bytes filled */ -}; - -struct pwc_device -{ - struct video_device vdev; - struct v4l2_device v4l2_dev; - - /* videobuf2 queue and queued buffers list */ - struct vb2_queue vb_queue; - struct list_head queued_bufs; - spinlock_t queued_bufs_lock; /* Protects queued_bufs */ - - /* Note if taking both locks v4l2_lock must always be locked first! */ - struct mutex v4l2_lock; /* Protects everything else */ - struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */ - - /* Pointer to our usb_device, will be NULL after unplug */ - struct usb_device *udev; /* Both mutexes most be hold when setting! */ - - /* type of cam (645, 646, 675, 680, 690, 720, 730, 740, 750) */ - int type; - int release; /* release number */ - int features; /* feature bits */ - - /*** Video data ***/ - int vendpoint; /* video isoc endpoint */ - int vcinterface; /* video control interface */ - int valternate; /* alternate interface needed */ - int vframes; /* frames-per-second */ - 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 vbandlength; /* compressed band length; 0 is uncompressed */ - char vsync; /* used by isoc handler */ - char vmirror; /* for ToUCaM series */ - char power_save; /* Do powersaving for this cam */ - - unsigned char cmd_buf[13]; - unsigned char *ctrl_buf; - - struct urb *urbs[MAX_ISO_BUFS]; - - /* - * Frame currently being filled, this only gets touched by the - * isoc urb complete handler, and by stream start / stop since - * start / stop touch it before / after starting / killing the urbs - * no locking is needed around this - */ - 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; - - union { /* private data for decompression engine */ - struct pwc_dec1_private dec1; - struct pwc_dec23_private dec23; - }; - - /* - * 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 */ - int width, height; /* current resolution */ - -#ifdef CONFIG_USB_PWC_INPUT_EVDEV - struct input_dev *button_dev; /* webcam snapshot button input */ - char button_phys[64]; -#endif - - /* controls */ - struct v4l2_ctrl_handler ctrl_handler; - u16 saturation_fmt; - struct v4l2_ctrl *brightness; - struct v4l2_ctrl *contrast; - struct v4l2_ctrl *saturation; - struct v4l2_ctrl *gamma; - struct { - /* awb / red-blue balance cluster */ - struct v4l2_ctrl *auto_white_balance; - struct v4l2_ctrl *red_balance; - struct v4l2_ctrl *blue_balance; - /* usb ctrl transfers are slow, so we cache things */ - int color_bal_valid; - unsigned long last_color_bal_update; /* In jiffies */ - s32 last_red_balance; - s32 last_blue_balance; - }; - struct { - /* autogain / gain cluster */ - struct v4l2_ctrl *autogain; - struct v4l2_ctrl *gain; - int gain_valid; - unsigned long last_gain_update; /* In jiffies */ - s32 last_gain; - }; - struct { - /* exposure_auto / exposure cluster */ - struct v4l2_ctrl *exposure_auto; - struct v4l2_ctrl *exposure; - int exposure_valid; - unsigned long last_exposure_update; /* In jiffies */ - s32 last_exposure; - }; - struct v4l2_ctrl *colorfx; - struct { - /* autocontour/contour cluster */ - struct v4l2_ctrl *autocontour; - struct v4l2_ctrl *contour; - }; - struct v4l2_ctrl *backlight; - struct v4l2_ctrl *flicker; - struct v4l2_ctrl *noise_reduction; - struct v4l2_ctrl *save_user; - struct v4l2_ctrl *restore_user; - struct v4l2_ctrl *restore_factory; - struct v4l2_ctrl *awb_speed; - struct v4l2_ctrl *awb_delay; - struct { - /* motor control cluster */ - struct v4l2_ctrl *motor_pan; - struct v4l2_ctrl *motor_tilt; - struct v4l2_ctrl *motor_pan_reset; - struct v4l2_ctrl *motor_tilt_reset; - }; - /* CODEC3 models have both gain and exposure controlled by autogain */ - struct v4l2_ctrl *autogain_expo_cluster[3]; -}; - -/* Global variables */ -#ifdef CONFIG_USB_PWC_DEBUG -extern int pwc_trace; -#endif - -/** Functions in pwc-misc.c */ -/* sizes in pixels */ -extern const int pwc_image_sizes[PSZ_MAX][2]; - -int pwc_get_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 pixfmt, int frames, int *compression, int send_to_cam); -extern unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size); -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 send_control_msg(struct pwc_device *pdev, - u8 request, u16 value, void *buf, int buflen); - -/* Control get / set helpers */ -int pwc_get_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data); -int pwc_set_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, u8 data); -int pwc_get_s8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data); -#define pwc_set_s8_ctrl pwc_set_u8_ctrl -int pwc_get_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *dat); -int pwc_set_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, u16 data); -int pwc_button_ctrl(struct pwc_device *pdev, u16 value); -int pwc_init_controls(struct pwc_device *pdev); - -/* Power down or up the camera; not supported by all models */ -extern void pwc_camera_power(struct pwc_device *pdev, int power); - -extern const struct v4l2_ioctl_ops pwc_ioctl_ops; - -/** pwc-uncompress.c */ -/* Expand frame to image, possibly including decompression. Uses read_frame and fill_image */ -int pwc_decompress(struct pwc_device *pdev, struct pwc_frame_buf *fbuf); - -#endif |