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-rw-r--r--drivers/usb/media/ov511.h569
1 files changed, 569 insertions, 0 deletions
diff --git a/drivers/usb/media/ov511.h b/drivers/usb/media/ov511.h
new file mode 100644
index 000000000000..086509a137c6
--- /dev/null
+++ b/drivers/usb/media/ov511.h
@@ -0,0 +1,569 @@
+#ifndef __LINUX_OV511_H
+#define __LINUX_OV511_H
+
+#include <asm/uaccess.h>
+#include <linux/videodev.h>
+#include <linux/smp_lock.h>
+#include <linux/usb.h>
+
+#define OV511_DEBUG /* Turn on debug messages */
+
+#ifdef OV511_DEBUG
+ #define PDEBUG(level, fmt, args...) \
+ if (debug >= (level)) info("[%s:%d] " fmt, \
+ __FUNCTION__, __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 semaphore 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? */
+
+ struct semaphore param_lock; /* params lock for this camera */
+
+ /* Framebuffer/sbuf management */
+ int buf_state;
+ struct semaphore 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 */
+
+ /* I2C interface */
+ struct semaphore 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 semaphore 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
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 12:04:10 +0100