| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Alan Cox | 602 | 43.09% | 1 | 2.50% |
| Hans de Goede | 381 | 27.27% | 19 | 47.50% |
| Luc Saillard | 351 | 25.13% | 2 | 5.00% |
| Nam Phạm Thành | 19 | 1.36% | 1 | 2.50% |
| Hans Verkuil | 9 | 0.64% | 3 | 7.50% |
| Oliver Neukum | 9 | 0.64% | 1 | 2.50% |
| Dmitry Torokhov | 6 | 0.43% | 1 | 2.50% |
| Mauro Carvalho Chehab | 5 | 0.36% | 3 | 7.50% |
| Junghak Sung | 3 | 0.21% | 2 | 5.00% |
| Trent Piepho | 3 | 0.21% | 1 | 2.50% |
| Linus Torvalds (pre-git) | 2 | 0.14% | 1 | 2.50% |
| Thomas Gleixner | 2 | 0.14% | 1 | 2.50% |
| Pawel Osciak | 2 | 0.14% | 1 | 2.50% |
| Gustavo A. R. Silva | 1 | 0.07% | 1 | 2.50% |
| Matthias Kaehlcke | 1 | 0.07% | 1 | 2.50% |
| Linus Torvalds | 1 | 0.07% | 1 | 2.50% |
| Total | 1397 | 40 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* (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. */ #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-v4l2.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 BIT(0) #define PWC_DEBUG_LEVEL_PROBE BIT(1) #define PWC_DEBUG_LEVEL_OPEN BIT(2) #define PWC_DEBUG_LEVEL_READ BIT(3) #define PWC_DEBUG_LEVEL_MEMORY BIT(4) #define PWC_DEBUG_LEVEL_FLOW BIT(5) #define PWC_DEBUG_LEVEL_SIZE BIT(6) #define PWC_DEBUG_LEVEL_IOCTL BIT(7) #define PWC_DEBUG_LEVEL_TRACE BIT(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[]; /* frame_size = H / 4 * vbandlength */ } __packed; /* intermediate buffers with raw data from the USB cam */ struct pwc_frame_buf { /* common v4l buffer stuff -- must be first */ struct vb2_v4l2_buffer vb; 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 */ /* If taking both locks vb_queue_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
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