diff options
Diffstat (limited to 'drivers/media/video/usbvision/usbvision.h')
| -rw-r--r-- | drivers/media/video/usbvision/usbvision.h | 267 |
1 files changed, 134 insertions, 133 deletions
diff --git a/drivers/media/video/usbvision/usbvision.h b/drivers/media/video/usbvision/usbvision.h index cc4e96c8cd6..8074787fd1a 100644 --- a/drivers/media/video/usbvision/usbvision.h +++ b/drivers/media/video/usbvision/usbvision.h @@ -132,15 +132,15 @@ #define MAX_BYTES_PER_PIXEL 4 #define MIN_FRAME_WIDTH 64 -#define MAX_USB_WIDTH 320 //384 -#define MAX_FRAME_WIDTH 320 //384 /*streching sometimes causes crashes*/ +#define MAX_USB_WIDTH 320 /* 384 */ +#define MAX_FRAME_WIDTH 320 /* 384 */ /* streching sometimes causes crashes*/ #define MIN_FRAME_HEIGHT 48 -#define MAX_USB_HEIGHT 240 //288 -#define MAX_FRAME_HEIGHT 240 //288 /*Streching sometimes causes crashes*/ +#define MAX_USB_HEIGHT 240 /* 288 */ +#define MAX_FRAME_HEIGHT 240 /* 288 */ /* Streching 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 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 @@ -148,7 +148,7 @@ #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 USBVISION_POWEROFF_TIME (3 * HZ) /* 3 seconds */ #define FRAMERATE_MIN 0 @@ -161,7 +161,8 @@ enum { }; /* This macro restricts an int variable to an inclusive range */ -#define RESTRICT_TO_RANGE(v,mi,ma) { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); } +#define RESTRICT_TO_RANGE(v, mi, ma) \ + { if ((v) < (mi)) (v) = (mi); else if ((v) > (ma)) (v) = (ma); } /* * We use macros to do YUV -> RGB conversion because this is @@ -183,18 +184,18 @@ enum { * 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); \ +#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); \ } /* Debugging aid */ @@ -202,7 +203,7 @@ enum { wait_queue_head_t wq; \ init_waitqueue_head(&wq); \ printk(KERN_INFO "Say: %s\n", what); \ - interruptible_sleep_on_timeout (&wq, HZ*3); \ + interruptible_sleep_on_timeout(&wq, HZ * 3); \ } /* @@ -223,39 +224,39 @@ enum { /* ----------------------------------------------------------------- */ /* usbvision video structures */ /* ----------------------------------------------------------------- */ -enum ScanState { - ScanState_Scanning, /* Scanning for header */ - ScanState_Lines /* Parsing lines */ +enum scan_state { + scan_state_scanning, /* Scanning for header */ + scan_state_lines /* Parsing lines */ }; /* Completion states of the data parser */ -enum ParseState { - ParseState_Continue, /* Just parse next item */ - ParseState_NextFrame, /* Frame done, send it to V4L */ - ParseState_Out, /* Not enough data for frame */ - ParseState_EndParse /* End parsing */ +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 FrameState { - FrameState_Unused, /* Unused (no MCAPTURE) */ - FrameState_Ready, /* Ready to start grabbing */ - FrameState_Grabbing, /* In the process of being grabbed into */ - FrameState_Done, /* Finished grabbing, but not been synced yet */ - FrameState_DoneHold, /* Are syncing or reading */ - FrameState_Error, /* Something bad happened while processing */ +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 StreamState { - 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 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 IsocState { - IsocState_InFrame, /* Isoc packet is member of frame */ - IsocState_NoFrame, /* Isoc packet is not member of any frame */ +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; @@ -265,8 +266,8 @@ struct usbvision_sbuf { struct urb *urb; }; -#define USBVISION_MAGIC_1 0x55 -#define USBVISION_MAGIC_2 0xAA +#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 @@ -286,23 +287,23 @@ struct usbvision_v4l2_format_st { struct usbvision_frame_header { unsigned char magic_1; /* 0 magic */ unsigned char magic_2; /* 1 magic */ - unsigned char headerLength; /* 2 */ - unsigned char frameNum; /* 3 */ - unsigned char framePhase; /* 4 */ - unsigned char frameLatency; /* 5 */ - unsigned char dataFormat; /* 6 */ - unsigned char formatParam; /* 7 */ - unsigned char frameWidthLo; /* 8 */ - unsigned char frameWidthHi; /* 9 */ - unsigned char frameHeightLo; /* 10 */ - unsigned char frameHeightHi; /* 11 */ - __u16 frameWidth; /* 8 - 9 after endian correction*/ - __u16 frameHeight; /* 10 - 11 after endian correction*/ + 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 isocHeader; /* Header from stream */ + struct usbvision_frame_header isoc_header; /* Header from stream */ int width; /* Width application is expecting */ int height; /* Height */ @@ -322,7 +323,7 @@ struct usbvision_frame { struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/ int v4l2_linesize; /* bytes for one videoline*/ struct timeval timestamp; - int sequence; // How many video frames we send to user + int sequence; /* How many video frames we send to user */ }; #define CODEC_SAA7113 7113 @@ -332,24 +333,24 @@ struct usbvision_frame { #define BRIDGE_NT1005 1005 struct usbvision_device_data_st { - __u64 VideoNorm; - const char *ModelString; - int Interface; /* to handle special interface number like BELKIN and Hauppauge WinTV-USB II */ - __u16 Codec; - unsigned VideoChannels:3; - unsigned AudioChannels:2; - unsigned Radio:1; + __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 TunerType; - __s16 X_Offset; - __s16 Y_Offset; + 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 */ @@ -358,50 +359,50 @@ extern struct usb_device_id usbvision_table[]; struct usb_usbvision { struct v4l2_device v4l2_dev; - struct video_device *vdev; /* Video Device */ - struct video_device *rdev; /* Radio Device */ + 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 *ctrlUrb; - unsigned char ctrlUrbBuffer[8]; - int ctrlUrbBusy; - struct usb_ctrlrequest ctrlUrbSetup; - wait_queue_head_t ctrlUrb_wq; // Processes waiting + struct urb *ctrl_urb; + unsigned char ctrl_urb_buffer[8]; + int ctrl_urb_busy; + struct usb_ctrlrequest ctrl_urb_setup; + wait_queue_head_t ctrl_urb_wq; /* Processes waiting */ /* configuration part */ int have_tuner; int tuner_type; - int bridgeType; // NT1003, NT1004, NT1005 + int bridge_type; /* NT1003, NT1004, NT1005 */ int radio; - int video_inputs; // # of inputs + int video_inputs; /* # of inputs */ unsigned long freq; - int AudioMute; - int AudioChannel; - int isocMode; // format of video data for the usb isoc-transfer - unsigned int nr; // Number of the device + 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 wMaxPacketSize */ + unsigned int *alt_max_pkt_size; /* array of max_packet_size */ unsigned char iface; /* Video interface number */ - unsigned char ifaceAlt; /* Alt settings */ - unsigned char Vin_Reg2_Preset; - struct mutex lock; - struct timer_list powerOffTimer; - struct work_struct powerOffWork; + unsigned char iface_alt; /* Alt settings */ + unsigned char vin_reg2_preset; + struct mutex v4l2_lock; + struct timer_list power_off_timer; + struct work_struct power_off_work; int power; /* is the device powered on? */ int user; /* user count for exclusive use */ int initialized; /* Had we already sent init sequence? */ - int DevModel; /* What type of USBVISION device we got? */ - enum StreamState streaming; /* Are we streaming Isochronous? */ + 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 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*/ @@ -411,10 +412,10 @@ struct usb_usbvision { 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 *curFrame; // 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 + 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.*/ @@ -424,43 +425,43 @@ struct usb_usbvision { int scratch_headermarker[USBVISION_NUM_HEADERMARKER]; int scratch_headermarker_read_ptr; int scratch_headermarker_write_ptr; - enum IsocState isocstate; + 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 tvnormId; /* selected tv norm */ + v4l2_std_id tvnorm_id; /* selected tv norm */ unsigned char video_endp; /* 0x82 for USBVISION devices based */ - // Decompression stuff: - unsigned char *IntraFrameBuffer; /* Buffer for reference frame */ - int BlockPos; //for test only - int requestIntra; // 0 = normal; 1 = intra frame is requested; - int lastIsocFrameNum; // check for lost isoc frames - int isocPacketSize; // need to calculate usedBandwidth - int usedBandwidth; // used bandwidth 0-100%, need to set comprLevel - int comprLevel; // How strong (100) or weak (0) is compression - int lastComprLevel; // How strong (100) or weak (0) was compression + /* 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 overlayed on the screen */ - unsigned long isocUrbCount; // How many URBs we received so far + unsigned long isoc_urb_count; /* How many URBs we received so far */ unsigned long urb_length; /* Length of last URB */ - unsigned long isocDataCount; /* How many bytes we received */ + 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 isocSkipCount; /* How many empty ISO packets received */ - unsigned long isocErrCount; /* How many bad ISO packets received */ - unsigned long isocPacketCount; // How many packets we totally got - unsigned long timeInIrq; // How long do we need for interrupt - int isocMeasureBandwidthCount; - int frame_num; // How many video frames we send to user - int maxStripLen; // How big is the biggest strip - int comprBlockPos; - int stripLenErrors; // How many times was BlockPos greater than StripLen - int stripMagicErrors; - int stripLineNumberErrors; - int ComprBlockTypes[4]; + 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 */ + unsigned long time_in_irq; /* How long do we need for interrupt */ + 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) @@ -494,13 +495,13 @@ 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_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 AudioChannel); +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); @@ -511,9 +512,9 @@ 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); -void usbvision_init_powerOffTimer(struct usb_usbvision *usbvision); -void usbvision_set_powerOffTimer(struct usb_usbvision *usbvision); -void usbvision_reset_powerOffTimer(struct usb_usbvision *usbvision); +void usbvision_init_power_off_timer(struct usb_usbvision *usbvision); +void usbvision_set_power_off_timer(struct usb_usbvision *usbvision); +void usbvision_reset_power_off_timer(struct usb_usbvision *usbvision); int usbvision_power_off(struct usb_usbvision *usbvision); int usbvision_power_on(struct usb_usbvision *usbvision); |