| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Mauro Carvalho Chehab | 1037 | 62.39% | 5 | 18.52% |
| Thierry Merle | 374 | 22.50% | 8 | 29.63% |
| Hans Verkuil | 185 | 11.13% | 10 | 37.04% |
| Trent Piepho | 36 | 2.17% | 1 | 3.70% |
| Ondrej Zary | 24 | 1.44% | 1 | 3.70% |
| Matthias Kaehlcke | 4 | 0.24% | 1 | 3.70% |
| Thomas Gleixner | 2 | 0.12% | 1 | 3.70% |
| Total | 1662 | 27 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * USBVISION.H * usbvision header file * * Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de> * Dwaine Garden <dwainegarden@rogers.com> * * Report problems to v4l MailingList: linux-media@vger.kernel.org * * This module is part of usbvision driver project. * Updates to driver completed by Dwaine P. Garden * v4l2 conversion by Thierry Merle <thierry.merle@free.fr> */ #ifndef __LINUX_USBVISION_H #define __LINUX_USBVISION_H #include <linux/list.h> #include <linux/usb.h> #include <linux/i2c.h> #include <linux/mutex.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #include <media/tuner.h> #include <linux/videodev2.h> #define USBVISION_DEBUG /* Turn on debug messages */ #define USBVISION_PWR_REG 0x00 #define USBVISION_SSPND_EN (1 << 1) #define USBVISION_RES2 (1 << 2) #define USBVISION_PWR_VID (1 << 5) #define USBVISION_E2_EN (1 << 7) #define USBVISION_CONFIG_REG 0x01 #define USBVISION_ADRS_REG 0x02 #define USBVISION_ALTER_REG 0x03 #define USBVISION_FORCE_ALTER_REG 0x04 #define USBVISION_STATUS_REG 0x05 #define USBVISION_IOPIN_REG 0x06 #define USBVISION_IO_1 (1 << 0) #define USBVISION_IO_2 (1 << 1) #define USBVISION_AUDIO_IN 0 #define USBVISION_AUDIO_TV 1 #define USBVISION_AUDIO_RADIO 2 #define USBVISION_AUDIO_MUTE 3 #define USBVISION_SER_MODE 0x07 #define USBVISION_CLK_OUT (1 << 0) #define USBVISION_DAT_IO (1 << 1) #define USBVISION_SENS_OUT (1 << 2) #define USBVISION_SER_MODE_SOFT (0 << 4) #define USBVISION_SER_MODE_SIO (1 << 4) #define USBVISION_SER_ADRS 0x08 #define USBVISION_SER_CONT 0x09 #define USBVISION_SER_DAT1 0x0A #define USBVISION_SER_DAT2 0x0B #define USBVISION_SER_DAT3 0x0C #define USBVISION_SER_DAT4 0x0D #define USBVISION_EE_DATA 0x0E #define USBVISION_EE_LSBAD 0x0F #define USBVISION_EE_CONT 0x10 #define USBVISION_DRM_CONT 0x12 #define USBVISION_REF (1 << 0) #define USBVISION_RES_UR (1 << 2) #define USBVISION_RES_FDL (1 << 3) #define USBVISION_RES_VDW (1 << 4) #define USBVISION_DRM_PRM1 0x13 #define USBVISION_DRM_PRM2 0x14 #define USBVISION_DRM_PRM3 0x15 #define USBVISION_DRM_PRM4 0x16 #define USBVISION_DRM_PRM5 0x17 #define USBVISION_DRM_PRM6 0x18 #define USBVISION_DRM_PRM7 0x19 #define USBVISION_DRM_PRM8 0x1A #define USBVISION_VIN_REG1 0x1B #define USBVISION_8_422_SYNC 0x01 #define USBVISION_16_422_SYNC 0x02 #define USBVISION_VSNC_POL (1 << 3) #define USBVISION_HSNC_POL (1 << 4) #define USBVISION_FID_POL (1 << 5) #define USBVISION_HVALID_PO (1 << 6) #define USBVISION_VCLK_POL (1 << 7) #define USBVISION_VIN_REG2 0x1C #define USBVISION_AUTO_FID (1 << 0) #define USBVISION_NONE_INTER (1 << 1) #define USBVISION_NOHVALID (1 << 2) #define USBVISION_UV_ID (1 << 3) #define USBVISION_FIX_2C (1 << 4) #define USBVISION_SEND_FID (1 << 5) #define USBVISION_KEEP_BLANK (1 << 7) #define USBVISION_LXSIZE_I 0x1D #define USBVISION_MXSIZE_I 0x1E #define USBVISION_LYSIZE_I 0x1F #define USBVISION_MYSIZE_I 0x20 #define USBVISION_LX_OFFST 0x21 #define USBVISION_MX_OFFST 0x22 #define USBVISION_LY_OFFST 0x23 #define USBVISION_MY_OFFST 0x24 #define USBVISION_FRM_RATE 0x25 #define USBVISION_LXSIZE_O 0x26 #define USBVISION_MXSIZE_O 0x27 #define USBVISION_LYSIZE_O 0x28 #define USBVISION_MYSIZE_O 0x29 #define USBVISION_FILT_CONT 0x2A #define USBVISION_VO_MODE 0x2B #define USBVISION_INTRA_CYC 0x2C #define USBVISION_STRIP_SZ 0x2D #define USBVISION_FORCE_INTRA 0x2E #define USBVISION_FORCE_UP 0x2F #define USBVISION_BUF_THR 0x30 #define USBVISION_DVI_YUV 0x31 #define USBVISION_AUDIO_CONT 0x32 #define USBVISION_AUD_PK_LEN 0x33 #define USBVISION_BLK_PK_LEN 0x34 #define USBVISION_PCM_THR1 0x38 #define USBVISION_PCM_THR2 0x39 #define USBVISION_DIST_THR_L 0x3A #define USBVISION_DIST_THR_H 0x3B #define USBVISION_MAX_DIST_L 0x3C #define USBVISION_MAX_DIST_H 0x3D #define USBVISION_OP_CODE 0x33 #define MAX_BYTES_PER_PIXEL 4 #define MIN_FRAME_WIDTH 64 #define MAX_USB_WIDTH 320 /* 384 */ #define MAX_FRAME_WIDTH 320 /* 384 */ /* stretching sometimes causes crashes*/ #define MIN_FRAME_HEIGHT 48 #define MAX_USB_HEIGHT 240 /* 288 */ #define MAX_FRAME_HEIGHT 240 /* 288 */ /* Stretching sometimes causes crashes*/ #define MAX_FRAME_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * MAX_BYTES_PER_PIXEL) #define USBVISION_CLIPMASK_SIZE (MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) /* bytesize of clipmask */ #define USBVISION_URB_FRAMES 32 #define USBVISION_NUM_HEADERMARKER 20 #define USBVISION_NUMFRAMES 3 /* Maximum number of frames an application can get */ #define USBVISION_NUMSBUF 2 /* Dimensioning the USB S buffering */ #define USBVISION_POWEROFF_TIME (3 * HZ) /* 3 seconds */ #define FRAMERATE_MIN 0 #define FRAMERATE_MAX 31 enum { ISOC_MODE_YUV422 = 0x03, ISOC_MODE_YUV420 = 0x14, ISOC_MODE_COMPRESS = 0x60, }; /* This macro restricts an int variable to an inclusive range */ #define RESTRICT_TO_RANGE(v, mi, ma) \ { if (((int)v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); } /* * We use macros to do YUV -> RGB conversion because this is * very important for speed and totally unimportant for size. * * YUV -> RGB Conversion * --------------------- * * B = 1.164*(Y-16) + 2.018*(V-128) * G = 1.164*(Y-16) - 0.813*(U-128) - 0.391*(V-128) * R = 1.164*(Y-16) + 1.596*(U-128) * * If you fancy integer arithmetic (as you should), hear this: * * 65536*B = 76284*(Y-16) + 132252*(V-128) * 65536*G = 76284*(Y-16) - 53281*(U-128) - 25625*(V-128) * 65536*R = 76284*(Y-16) + 104595*(U-128) * * Make sure the output values are within [0..255] range. */ #define LIMIT_RGB(x) (((x) < 0) ? 0 : (((x) > 255) ? 255 : (x))) #define YUV_TO_RGB_BY_THE_BOOK(my, mu, mv, mr, mg, mb) { \ int mm_y, mm_yc, mm_u, mm_v, mm_r, mm_g, mm_b; \ mm_y = (my) - 16; \ mm_u = (mu) - 128; \ mm_v = (mv) - 128; \ mm_yc = mm_y * 76284; \ mm_b = (mm_yc + 132252 * mm_v) >> 16; \ mm_g = (mm_yc - 53281 * mm_u - 25625 * mm_v) >> 16; \ mm_r = (mm_yc + 104595 * mm_u) >> 16; \ mb = LIMIT_RGB(mm_b); \ mg = LIMIT_RGB(mm_g); \ mr = LIMIT_RGB(mm_r); \ } /* * This macro checks if usbvision is still operational. The 'usbvision' * pointer must be valid, usbvision->dev must be valid, we are not * removing the device and the device has not erred on us. */ #define USBVISION_IS_OPERATIONAL(udevice) (\ (udevice != NULL) && \ ((udevice)->dev != NULL) && \ ((udevice)->last_error == 0) && \ (!(udevice)->remove_pending)) #define I2C_USB_ADAP_MAX 16 #define USBVISION_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_M) /* ----------------------------------------------------------------- */ /* usbvision video structures */ /* ----------------------------------------------------------------- */ enum scan_state { scan_state_scanning, /* Scanning for header */ scan_state_lines /* Parsing lines */ }; /* Completion states of the data parser */ enum parse_state { parse_state_continue, /* Just parse next item */ parse_state_next_frame, /* Frame done, send it to V4L */ parse_state_out, /* Not enough data for frame */ parse_state_end_parse /* End parsing */ }; enum frame_state { frame_state_unused, /* Unused (no MCAPTURE) */ frame_state_ready, /* Ready to start grabbing */ frame_state_grabbing, /* In the process of being grabbed into */ frame_state_done, /* Finished grabbing, but not been synced yet */ frame_state_done_hold, /* Are syncing or reading */ frame_state_error, /* Something bad happened while processing */ }; /* stream states */ enum stream_state { stream_off, /* Driver streaming is completely OFF */ stream_idle, /* Driver streaming is ready to be put ON by the application */ stream_interrupt, /* Driver streaming must be interrupted */ stream_on, /* Driver streaming is put ON by the application */ }; enum isoc_state { isoc_state_in_frame, /* Isoc packet is member of frame */ isoc_state_no_frame, /* Isoc packet is not member of any frame */ }; struct usb_device; struct usbvision_sbuf { char *data; struct urb *urb; }; #define USBVISION_MAGIC_1 0x55 #define USBVISION_MAGIC_2 0xAA #define USBVISION_HEADER_LENGTH 0x0c #define USBVISION_SAA7111_ADDR 0x48 #define USBVISION_SAA7113_ADDR 0x4a #define USBVISION_IIC_LRACK 0x20 #define USBVISION_IIC_LRNACK 0x30 #define USBVISION_FRAME_FORMAT_PARAM_INTRA (1<<7) struct usbvision_v4l2_format_st { int supported; int bytes_per_pixel; int depth; int format; }; #define USBVISION_SUPPORTED_PALETTES ARRAY_SIZE(usbvision_v4l2_format) struct usbvision_frame_header { unsigned char magic_1; /* 0 magic */ unsigned char magic_2; /* 1 magic */ unsigned char header_length; /* 2 */ unsigned char frame_num; /* 3 */ unsigned char frame_phase; /* 4 */ unsigned char frame_latency; /* 5 */ unsigned char data_format; /* 6 */ unsigned char format_param; /* 7 */ unsigned char frame_width_lo; /* 8 */ unsigned char frame_width_hi; /* 9 */ unsigned char frame_height_lo; /* 10 */ unsigned char frame_height_hi; /* 11 */ __u16 frame_width; /* 8 - 9 after endian correction*/ __u16 frame_height; /* 10 - 11 after endian correction*/ }; struct usbvision_frame { char *data; /* Frame buffer */ struct usbvision_frame_header isoc_header; /* Header from stream */ int width; /* Width application is expecting */ int height; /* Height */ int index; /* Frame index */ int frmwidth; /* Width the frame actually is */ int frmheight; /* Height */ volatile int grabstate; /* State of grabbing */ int scanstate; /* State of scanning */ struct list_head frame; int curline; /* Line of frame we're working on */ long scanlength; /* uncompressed, raw data length of frame */ long bytes_read; /* amount of scanlength that has been read from data */ struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/ int v4l2_linesize; /* bytes for one videoline*/ u64 ts; int sequence; /* How many video frames we send to user */ }; #define CODEC_SAA7113 7113 #define CODEC_SAA7111 7111 #define CODEC_WEBCAM 3000 #define BRIDGE_NT1003 1003 #define BRIDGE_NT1004 1004 #define BRIDGE_NT1005 1005 struct usbvision_device_data_st { __u64 video_norm; const char *model_string; int interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */ __u16 codec; unsigned video_channels:3; unsigned audio_channels:2; unsigned radio:1; unsigned vbi:1; unsigned tuner:1; unsigned vin_reg1_override:1; /* Override default value with */ unsigned vin_reg2_override:1; /* vin_reg1, vin_reg2, etc. */ unsigned dvi_yuv_override:1; __u8 vin_reg1; __u8 vin_reg2; __u8 dvi_yuv; __u8 tuner_type; __s16 x_offset; __s16 y_offset; }; /* Declared on usbvision-cards.c */ extern struct usbvision_device_data_st usbvision_device_data[]; extern struct usb_device_id usbvision_table[]; struct usb_usbvision { struct v4l2_device v4l2_dev; struct v4l2_ctrl_handler hdl; struct video_device vdev; /* Video Device */ struct video_device rdev; /* Radio Device */ /* i2c Declaration Section*/ struct i2c_adapter i2c_adap; int registered_i2c; struct urb *ctrl_urb; unsigned char ctrl_urb_buffer[8]; int ctrl_urb_busy; struct usb_ctrlrequest ctrl_urb_setup; /* configuration part */ int have_tuner; int tuner_type; int bridge_type; /* NT1003, NT1004, NT1005 */ int radio; int video_inputs; /* # of inputs */ unsigned long radio_freq; unsigned long tv_freq; int audio_mute; int audio_channel; int isoc_mode; /* format of video data for the usb isoc-transfer */ unsigned int nr; /* Number of the device */ /* Device structure */ struct usb_device *dev; /* usb transfer */ int num_alt; /* Number of alternative settings */ unsigned int *alt_max_pkt_size; /* array of max_packet_size */ unsigned char iface; /* Video interface number */ unsigned char iface_alt; /* Alt settings */ unsigned char vin_reg2_preset; struct mutex v4l2_lock; int power; /* is the device powered on? */ int user; /* user count for exclusive use */ int initialized; /* Had we already sent init sequence? */ int dev_model; /* What type of USBVISION device we got? */ enum stream_state streaming; /* Are we streaming Isochronous? */ int last_error; /* What calamity struck us? */ int curwidth; /* width of the frame the device is currently set to*/ int curheight; /* height of the frame the device is currently set to*/ int stretch_width; /* stretch-factor for frame width (from usb to screen)*/ int stretch_height; /* stretch-factor for frame height (from usb to screen)*/ char *fbuf; /* Videodev buffer area for mmap*/ int max_frame_size; /* Bytes in one video frame */ int fbuf_size; /* Videodev buffer size */ spinlock_t queue_lock; /* spinlock for protecting mods on inqueue and outqueue */ struct list_head inqueue, outqueue; /* queued frame list and ready to dequeue frame list */ wait_queue_head_t wait_frame; /* Processes waiting */ wait_queue_head_t wait_stream; /* Processes waiting */ struct usbvision_frame *cur_frame; /* pointer to current frame, set by usbvision_find_header */ struct usbvision_frame frame[USBVISION_NUMFRAMES]; /* frame buffer */ int num_frames; /* number of frames allocated */ struct usbvision_sbuf sbuf[USBVISION_NUMSBUF]; /* S buffering */ volatile int remove_pending; /* If set then about to exit */ /* Scratch space from the Isochronous Pipe.*/ unsigned char *scratch; int scratch_read_ptr; int scratch_write_ptr; int scratch_headermarker[USBVISION_NUM_HEADERMARKER]; int scratch_headermarker_read_ptr; int scratch_headermarker_write_ptr; enum isoc_state isocstate; struct usbvision_v4l2_format_st palette; struct v4l2_capability vcap; /* Video capabilities */ unsigned int ctl_input; /* selected input */ v4l2_std_id tvnorm_id; /* selected tv norm */ unsigned char video_endp; /* 0x82 for USBVISION devices based */ /* Decompression stuff: */ unsigned char *intra_frame_buffer; /* Buffer for reference frame */ int block_pos; /* for test only */ int request_intra; /* 0 = normal; 1 = intra frame is requested; */ int last_isoc_frame_num; /* check for lost isoc frames */ int isoc_packet_size; /* need to calculate used_bandwidth */ int used_bandwidth; /* used bandwidth 0-100%, need to set compr_level */ int compr_level; /* How strong (100) or weak (0) is compression */ int last_compr_level; /* How strong (100) or weak (0) was compression */ int usb_bandwidth; /* Mbit/s */ /* Statistics that can be overlaid on the screen */ unsigned long isoc_urb_count; /* How many URBs we received so far */ unsigned long urb_length; /* Length of last URB */ unsigned long isoc_data_count; /* How many bytes we received */ unsigned long header_count; /* How many frame headers we found */ unsigned long scratch_ovf_count; /* How many times we overflowed scratch */ unsigned long isoc_skip_count; /* How many empty ISO packets received */ unsigned long isoc_err_count; /* How many bad ISO packets received */ unsigned long isoc_packet_count; /* How many packets we totally got */ int isoc_measure_bandwidth_count; int frame_num; /* How many video frames we send to user */ int max_strip_len; /* How big is the biggest strip */ int comprblock_pos; int strip_len_errors; /* How many times was block_pos greater than strip_len */ int strip_magic_errors; int strip_line_number_errors; int compr_block_types[4]; }; static inline struct usb_usbvision *to_usbvision(struct v4l2_device *v4l2_dev) { return container_of(v4l2_dev, struct usb_usbvision, v4l2_dev); } #define call_all(usbvision, o, f, args...) \ v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args) /* --------------------------------------------------------------- */ /* defined in usbvision-i2c.c */ /* i2c-algo-usb declaration */ /* --------------------------------------------------------------- */ /* ----------------------------------------------------------------------- */ /* usbvision specific I2C functions */ /* ----------------------------------------------------------------------- */ int usbvision_i2c_register(struct usb_usbvision *usbvision); int usbvision_i2c_unregister(struct usb_usbvision *usbvision); /* defined in usbvision-core.c */ int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg); int usbvision_write_reg(struct usb_usbvision *usbvision, unsigned char reg, unsigned char value); int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames); void usbvision_frames_free(struct usb_usbvision *usbvision); int usbvision_scratch_alloc(struct usb_usbvision *usbvision); void usbvision_scratch_free(struct usb_usbvision *usbvision); int usbvision_decompress_alloc(struct usb_usbvision *usbvision); void usbvision_decompress_free(struct usb_usbvision *usbvision); int usbvision_setup(struct usb_usbvision *usbvision, int format); int usbvision_init_isoc(struct usb_usbvision *usbvision); int usbvision_restart_isoc(struct usb_usbvision *usbvision); void usbvision_stop_isoc(struct usb_usbvision *usbvision); int usbvision_set_alternate(struct usb_usbvision *dev); int usbvision_set_audio(struct usb_usbvision *usbvision, int audio_channel); int usbvision_audio_off(struct usb_usbvision *usbvision); int usbvision_begin_streaming(struct usb_usbvision *usbvision); void usbvision_empty_framequeues(struct usb_usbvision *dev); int usbvision_stream_interrupt(struct usb_usbvision *dev); int usbvision_muxsel(struct usb_usbvision *usbvision, int channel); int usbvision_set_input(struct usb_usbvision *usbvision); int usbvision_set_output(struct usb_usbvision *usbvision, int width, int height); int usbvision_power_off(struct usb_usbvision *usbvision); int usbvision_power_on(struct usb_usbvision *usbvision); #endif /* __LINUX_USBVISION_H */
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