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linux-sg2042/drivers/media/video/ov511.h

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#ifndef __LINUX_OV511_H
#define __LINUX_OV511_H
#include <asm/uaccess.h>
#include <linux/videodev.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <linux/usb.h>
#include <linux/mutex.h>
#define OV511_DEBUG /* Turn on debug messages */
#ifdef OV511_DEBUG
#define PDEBUG(level, fmt, args...) \
if (debug >= (level)) \
printk(KERN_INFO KBUILD_MODNAME "[%s:%d] \n" fmt, \
__func__, __LINE__ , ## args)
#else
#define PDEBUG(level, fmt, args...) do {} while(0)
#endif
/* 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); \
}
/* --------------------------------- */
/* DEFINES FOR OV511 AND OTHER CHIPS */
/* --------------------------------- */
/* USB IDs */
#define VEND_OMNIVISION 0x05A9
#define PROD_OV511 0x0511
#define PROD_OV511PLUS 0xA511
#define PROD_OV518 0x0518
#define PROD_OV518PLUS 0xA518
#define VEND_MATTEL 0x0813
#define PROD_ME2CAM 0x0002
/* --------------------------------- */
/* OV51x REGISTER MNEMONICS */
/* --------------------------------- */
/* Camera interface register numbers */
#define R511_CAM_DELAY 0x10
#define R511_CAM_EDGE 0x11
#define R511_CAM_PXCNT 0x12
#define R511_CAM_LNCNT 0x13
#define R511_CAM_PXDIV 0x14
#define R511_CAM_LNDIV 0x15
#define R511_CAM_UV_EN 0x16
#define R511_CAM_LINE_MODE 0x17
#define R511_CAM_OPTS 0x18
/* Snapshot mode camera interface register numbers */
#define R511_SNAP_FRAME 0x19
#define R511_SNAP_PXCNT 0x1A
#define R511_SNAP_LNCNT 0x1B
#define R511_SNAP_PXDIV 0x1C
#define R511_SNAP_LNDIV 0x1D
#define R511_SNAP_UV_EN 0x1E
#define R511_SNAP_OPTS 0x1F
/* DRAM register numbers */
#define R511_DRAM_FLOW_CTL 0x20
#define R511_DRAM_ARCP 0x21
#define R511_DRAM_MRC 0x22
#define R511_DRAM_RFC 0x23
/* ISO FIFO register numbers */
#define R51x_FIFO_PSIZE 0x30 /* 2 bytes wide w/ OV518(+) */
#define R511_FIFO_OPTS 0x31
/* Parallel IO register numbers */
#define R511_PIO_OPTS 0x38
#define R511_PIO_DATA 0x39
#define R511_PIO_BIST 0x3E
#define R518_GPIO_IN 0x55 /* OV518(+) only */
#define R518_GPIO_OUT 0x56 /* OV518(+) only */
#define R518_GPIO_CTL 0x57 /* OV518(+) only */
#define R518_GPIO_PULSE_IN 0x58 /* OV518(+) only */
#define R518_GPIO_PULSE_CLEAR 0x59 /* OV518(+) only */
#define R518_GPIO_PULSE_POL 0x5a /* OV518(+) only */
#define R518_GPIO_PULSE_EN 0x5b /* OV518(+) only */
#define R518_GPIO_RESET 0x5c /* OV518(+) only */
/* I2C registers */
#define R511_I2C_CTL 0x40
#define R518_I2C_CTL 0x47 /* OV518(+) only */
#define R51x_I2C_W_SID 0x41
#define R51x_I2C_SADDR_3 0x42
#define R51x_I2C_SADDR_2 0x43
#define R51x_I2C_R_SID 0x44
#define R51x_I2C_DATA 0x45
#define R51x_I2C_CLOCK 0x46
#define R51x_I2C_TIMEOUT 0x47
/* I2C snapshot registers */
#define R511_SI2C_SADDR_3 0x48
#define R511_SI2C_DATA 0x49
/* System control registers */
#define R51x_SYS_RESET 0x50
/* Reset type definitions */
#define OV511_RESET_UDC 0x01
#define OV511_RESET_I2C 0x02
#define OV511_RESET_FIFO 0x04
#define OV511_RESET_OMNICE 0x08
#define OV511_RESET_DRAM 0x10
#define OV511_RESET_CAM_INT 0x20
#define OV511_RESET_OV511 0x40
#define OV511_RESET_NOREGS 0x3F /* All but OV511 & regs */
#define OV511_RESET_ALL 0x7F
#define R511_SYS_CLOCK_DIV 0x51
#define R51x_SYS_SNAP 0x52
#define R51x_SYS_INIT 0x53
#define R511_SYS_PWR_CLK 0x54 /* OV511+/OV518(+) only */
#define R511_SYS_LED_CTL 0x55 /* OV511+ only */
#define R511_SYS_USER 0x5E
#define R511_SYS_CUST_ID 0x5F
/* OmniCE (compression) registers */
#define R511_COMP_PHY 0x70
#define R511_COMP_PHUV 0x71
#define R511_COMP_PVY 0x72
#define R511_COMP_PVUV 0x73
#define R511_COMP_QHY 0x74
#define R511_COMP_QHUV 0x75
#define R511_COMP_QVY 0x76
#define R511_COMP_QVUV 0x77
#define R511_COMP_EN 0x78
#define R511_COMP_LUT_EN 0x79
#define R511_COMP_LUT_BEGIN 0x80
/* --------------------------------- */
/* ALTERNATE NUMBERS */
/* --------------------------------- */
/* Alternate numbers for various max packet sizes (OV511 only) */
#define OV511_ALT_SIZE_992 0
#define OV511_ALT_SIZE_993 1
#define OV511_ALT_SIZE_768 2
#define OV511_ALT_SIZE_769 3
#define OV511_ALT_SIZE_512 4
#define OV511_ALT_SIZE_513 5
#define OV511_ALT_SIZE_257 6
#define OV511_ALT_SIZE_0 7
/* Alternate numbers for various max packet sizes (OV511+ only) */
#define OV511PLUS_ALT_SIZE_0 0
#define OV511PLUS_ALT_SIZE_33 1
#define OV511PLUS_ALT_SIZE_129 2
#define OV511PLUS_ALT_SIZE_257 3
#define OV511PLUS_ALT_SIZE_385 4
#define OV511PLUS_ALT_SIZE_513 5
#define OV511PLUS_ALT_SIZE_769 6
#define OV511PLUS_ALT_SIZE_961 7
/* Alternate numbers for various max packet sizes (OV518(+) only) */
#define OV518_ALT_SIZE_0 0
#define OV518_ALT_SIZE_128 1
#define OV518_ALT_SIZE_256 2
#define OV518_ALT_SIZE_384 3
#define OV518_ALT_SIZE_512 4
#define OV518_ALT_SIZE_640 5
#define OV518_ALT_SIZE_768 6
#define OV518_ALT_SIZE_896 7
/* --------------------------------- */
/* OV7610 REGISTER MNEMONICS */
/* --------------------------------- */
/* OV7610 registers */
#define OV7610_REG_GAIN 0x00 /* gain setting (5:0) */
#define OV7610_REG_BLUE 0x01 /* blue channel balance */
#define OV7610_REG_RED 0x02 /* red channel balance */
#define OV7610_REG_SAT 0x03 /* saturation */
/* 04 reserved */
#define OV7610_REG_CNT 0x05 /* Y contrast */
#define OV7610_REG_BRT 0x06 /* Y brightness */
/* 08-0b reserved */
#define OV7610_REG_BLUE_BIAS 0x0C /* blue channel bias (5:0) */
#define OV7610_REG_RED_BIAS 0x0D /* read channel bias (5:0) */
#define OV7610_REG_GAMMA_COEFF 0x0E /* gamma settings */
#define OV7610_REG_WB_RANGE 0x0F /* AEC/ALC/S-AWB settings */
#define OV7610_REG_EXP 0x10 /* manual exposure setting */
#define OV7610_REG_CLOCK 0x11 /* polarity/clock prescaler */
#define OV7610_REG_COM_A 0x12 /* misc common regs */
#define OV7610_REG_COM_B 0x13 /* misc common regs */
#define OV7610_REG_COM_C 0x14 /* misc common regs */
#define OV7610_REG_COM_D 0x15 /* misc common regs */
#define OV7610_REG_FIELD_DIVIDE 0x16 /* field interval/mode settings */
#define OV7610_REG_HWIN_START 0x17 /* horizontal window start */
#define OV7610_REG_HWIN_END 0x18 /* horizontal window end */
#define OV7610_REG_VWIN_START 0x19 /* vertical window start */
#define OV7610_REG_VWIN_END 0x1A /* vertical window end */
#define OV7610_REG_PIXEL_SHIFT 0x1B /* pixel shift */
#define OV7610_REG_ID_HIGH 0x1C /* manufacturer ID MSB */
#define OV7610_REG_ID_LOW 0x1D /* manufacturer ID LSB */
/* 0e-0f reserved */
#define OV7610_REG_COM_E 0x20 /* misc common regs */
#define OV7610_REG_YOFFSET 0x21 /* Y channel offset */
#define OV7610_REG_UOFFSET 0x22 /* U channel offset */
/* 23 reserved */
#define OV7610_REG_ECW 0x24 /* Exposure white level for AEC */
#define OV7610_REG_ECB 0x25 /* Exposure black level for AEC */
#define OV7610_REG_COM_F 0x26 /* misc settings */
#define OV7610_REG_COM_G 0x27 /* misc settings */
#define OV7610_REG_COM_H 0x28 /* misc settings */
#define OV7610_REG_COM_I 0x29 /* misc settings */
#define OV7610_REG_FRAMERATE_H 0x2A /* frame rate MSB + misc */
#define OV7610_REG_FRAMERATE_L 0x2B /* frame rate LSB */
#define OV7610_REG_ALC 0x2C /* Auto Level Control settings */
#define OV7610_REG_COM_J 0x2D /* misc settings */
#define OV7610_REG_VOFFSET 0x2E /* V channel offset adjustment */
#define OV7610_REG_ARRAY_BIAS 0x2F /* Array bias -- don't change */
/* 30-32 reserved */
#define OV7610_REG_YGAMMA 0x33 /* misc gamma settings (7:6) */
#define OV7610_REG_BIAS_ADJUST 0x34 /* misc bias settings */
#define OV7610_REG_COM_L 0x35 /* misc settings */
/* 36-37 reserved */
#define OV7610_REG_COM_K 0x38 /* misc registers */
/* --------------------------------- */
/* I2C ADDRESSES */
/* --------------------------------- */
#define OV7xx0_SID 0x42
#define OV6xx0_SID 0xC0
#define OV8xx0_SID 0xA0
#define KS0127_SID 0xD8
#define SAA7111A_SID 0x48
/* --------------------------------- */
/* MISCELLANEOUS DEFINES */
/* --------------------------------- */
#define I2C_CLOCK_PRESCALER 0x03
#define FRAMES_PER_DESC 10 /* FIXME - What should this be? */
#define MAX_FRAME_SIZE_PER_DESC 993 /* For statically allocated stuff */
#define PIXELS_PER_SEG 256 /* Pixels per segment */
#define OV511_ENDPOINT_ADDRESS 1 /* Isoc endpoint number */
#define OV511_NUMFRAMES 2
#if OV511_NUMFRAMES > VIDEO_MAX_FRAME
#error "OV511_NUMFRAMES is too high"
#endif
#define OV511_NUMSBUF 2
/* Control transfers use up to 4 bytes */
#define OV511_CBUF_SIZE 4
/* Size of usb_make_path() buffer */
#define OV511_USB_PATH_LEN 64
/* Bridge types */
enum {
BRG_UNKNOWN,
BRG_OV511,
BRG_OV511PLUS,
BRG_OV518,
BRG_OV518PLUS,
};
/* Bridge classes */
enum {
BCL_UNKNOWN,
BCL_OV511,
BCL_OV518,
};
/* Sensor types */
enum {
SEN_UNKNOWN,
SEN_OV76BE,
SEN_OV7610,
SEN_OV7620,
SEN_OV7620AE,
SEN_OV6620,
SEN_OV6630,
SEN_OV6630AE,
SEN_OV6630AF,
SEN_OV8600,
SEN_KS0127,
SEN_KS0127B,
SEN_SAA7111A,
};
enum {
STATE_SCANNING, /* Scanning for start */
STATE_HEADER, /* Parsing header */
STATE_LINES, /* Parsing lines */
};
/* Buffer states */
enum {
BUF_NOT_ALLOCATED,
BUF_ALLOCATED,
};
/* --------- Definition of ioctl interface --------- */
#define OV511_INTERFACE_VER 101
/* LED options */
enum {
LED_OFF,
LED_ON,
LED_AUTO,
};
/* Raw frame formats */
enum {
RAWFMT_INVALID,
RAWFMT_YUV400,
RAWFMT_YUV420,
RAWFMT_YUV422,
RAWFMT_GBR422,
};
struct ov511_i2c_struct {
unsigned char slave; /* Write slave ID (read ID - 1) */
unsigned char reg; /* Index of register */
unsigned char value; /* User sets this w/ write, driver does w/ read */
unsigned char mask; /* Bits to be changed. Not used with read ops */
};
/* ioctls */
#define OV511IOC_WI2C _IOW('v', BASE_VIDIOCPRIVATE + 5, \
struct ov511_i2c_struct)
#define OV511IOC_RI2C _IOWR('v', BASE_VIDIOCPRIVATE + 6, \
struct ov511_i2c_struct)
/* ------------- End IOCTL interface -------------- */
struct usb_ov511; /* Forward declaration */
struct ov511_sbuf {
struct usb_ov511 *ov;
unsigned char *data;
struct urb *urb;
spinlock_t lock;
int n;
};
enum {
FRAME_UNUSED, /* Unused (no MCAPTURE) */
FRAME_READY, /* Ready to start grabbing */
FRAME_GRABBING, /* In the process of being grabbed into */
FRAME_DONE, /* Finished grabbing, but not been synced yet */
FRAME_ERROR, /* Something bad happened while processing */
};
struct ov511_regvals {
enum {
OV511_DONE_BUS,
OV511_REG_BUS,
OV511_I2C_BUS,
} bus;
unsigned char reg;
unsigned char val;
};
struct ov511_frame {
int framenum; /* Index of this frame */
unsigned char *data; /* Frame buffer */
unsigned char *tempdata; /* Temp buffer for multi-stage conversions */
unsigned char *rawdata; /* Raw camera data buffer */
unsigned char *compbuf; /* Temp buffer for decompressor */
int depth; /* Bytes per pixel */
int width; /* Width application is expecting */
int height; /* Height application is expecting */
int rawwidth; /* Actual width of frame sent from camera */
int rawheight; /* Actual height of frame sent from camera */
int sub_flag; /* Sub-capture mode for this frame? */
unsigned int format; /* Format for this frame */
int compressed; /* Is frame compressed? */
volatile int grabstate; /* State of grabbing */
int scanstate; /* State of scanning */
int bytes_recvd; /* Number of image bytes received from camera */
long bytes_read; /* Amount that has been read() */
wait_queue_head_t wq; /* Processes waiting */
int snapshot; /* True if frame was a snapshot */
};
#define DECOMP_INTERFACE_VER 4
/* Compression module operations */
struct ov51x_decomp_ops {
int (*decomp_400)(unsigned char *, unsigned char *, unsigned char *,
int, int, int);
int (*decomp_420)(unsigned char *, unsigned char *, unsigned char *,
int, int, int);
int (*decomp_422)(unsigned char *, unsigned char *, unsigned char *,
int, int, int);
struct module *owner;
};
struct usb_ov511 {
struct video_device *vdev;
struct usb_device *dev;
int customid;
char *desc;
unsigned char iface;
char usb_path[OV511_USB_PATH_LEN];
/* Determined by sensor type */
int maxwidth;
int maxheight;
int minwidth;
int minheight;
int brightness;
int colour;
int contrast;
int hue;
int whiteness;
int exposure;
int auto_brt; /* Auto brightness enabled flag */
int auto_gain; /* Auto gain control enabled flag */
int auto_exp; /* Auto exposure enabled flag */
int backlight; /* Backlight exposure algorithm flag */
int mirror; /* Image is reversed horizontally */
int led_policy; /* LED: off|on|auto; OV511+ only */
struct mutex lock; /* Serializes user-accessible operations */
int user; /* user count for exclusive use */
int streaming; /* Are we streaming Isochronous? */
int grabbing; /* Are we grabbing? */
int compress; /* Should the next frame be compressed? */
int compress_inited; /* Are compression params uploaded? */
int lightfreq; /* Power (lighting) frequency */
int bandfilt; /* Banding filter enabled flag */
unsigned char *fbuf; /* Videodev buffer area */
unsigned char *tempfbuf; /* Temporary (intermediate) buffer area */
unsigned char *rawfbuf; /* Raw camera data buffer area */
int sub_flag; /* Pix Array subcapture on flag */
int subx; /* Pix Array subcapture x offset */
int suby; /* Pix Array subcapture y offset */
int subw; /* Pix Array subcapture width */
int subh; /* Pix Array subcapture height */
int curframe; /* Current receiving sbuf */
struct ov511_frame frame[OV511_NUMFRAMES];
struct ov511_sbuf sbuf[OV511_NUMSBUF];
wait_queue_head_t wq; /* Processes waiting */
int snap_enabled; /* Snapshot mode enabled */
int bridge; /* Type of bridge (BRG_*) */
int bclass; /* Class of bridge (BCL_*) */
int sensor; /* Type of image sensor chip (SEN_*) */
int packet_size; /* Frame size per isoc desc */
int packet_numbering; /* Is ISO frame numbering enabled? */
/* Framebuffer/sbuf management */
int buf_state;
struct mutex buf_lock;
struct ov51x_decomp_ops *decomp_ops;
/* Stop streaming while changing picture settings */
int stop_during_set;
int stopped; /* Streaming is temporarily paused */
/* Video decoder stuff */
int input; /* Composite, S-VIDEO, etc... */
int num_inputs; /* Number of inputs */
int norm; /* NTSC / PAL / SECAM */
int has_decoder; /* Device has a video decoder */
int pal; /* Device is designed for PAL resolution */
/* ov511 device number ID */
int nr; /* Stores a device number */
/* I2C interface */
struct mutex i2c_lock; /* Protect I2C controller regs */
unsigned char primary_i2c_slave; /* I2C write id of sensor */
/* Control transaction stuff */
unsigned char *cbuf; /* Buffer for payload */
struct mutex cbuf_lock;
};
/* Used to represent a list of values and their respective symbolic names */
struct symbolic_list {
int num;
char *name;
};
#define NOT_DEFINED_STR "Unknown"
/* Returns the name of the matching element in the symbolic_list array. The
* end of the list must be marked with an element that has a NULL name.
*/
static inline char *
symbolic(struct symbolic_list list[], int num)
{
int i;
for (i = 0; list[i].name != NULL; i++)
if (list[i].num == num)
return (list[i].name);
return (NOT_DEFINED_STR);
}
/* Compression stuff */
#define OV511_QUANTABLESIZE 64
#define OV518_QUANTABLESIZE 32
#define OV511_YQUANTABLE { \
0, 1, 1, 2, 2, 3, 3, 4, \
1, 1, 1, 2, 2, 3, 4, 4, \
1, 1, 2, 2, 3, 4, 4, 4, \
2, 2, 2, 3, 4, 4, 4, 4, \
2, 2, 3, 4, 4, 5, 5, 5, \
3, 3, 4, 4, 5, 5, 5, 5, \
3, 4, 4, 4, 5, 5, 5, 5, \
4, 4, 4, 4, 5, 5, 5, 5 \
}
#define OV511_UVQUANTABLE { \
0, 2, 2, 3, 4, 4, 4, 4, \
2, 2, 2, 4, 4, 4, 4, 4, \
2, 2, 3, 4, 4, 4, 4, 4, \
3, 4, 4, 4, 4, 4, 4, 4, \
4, 4, 4, 4, 4, 4, 4, 4, \
4, 4, 4, 4, 4, 4, 4, 4, \
4, 4, 4, 4, 4, 4, 4, 4, \
4, 4, 4, 4, 4, 4, 4, 4 \
}
#define OV518_YQUANTABLE { \
5, 4, 5, 6, 6, 7, 7, 7, \
5, 5, 5, 5, 6, 7, 7, 7, \
6, 6, 6, 6, 7, 7, 7, 8, \
7, 7, 6, 7, 7, 7, 8, 8 \
}
#define OV518_UVQUANTABLE { \
6, 6, 6, 7, 7, 7, 7, 7, \
6, 6, 6, 7, 7, 7, 7, 7, \
6, 6, 6, 7, 7, 7, 7, 8, \
7, 7, 7, 7, 7, 7, 8, 8 \
}
#endif
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