| /** |
| * OV519 driver |
| * |
| * Copyright (C) 2008 Jean-Francois Moine (http://moinejf.free.fr) |
| * |
| * (This module is adapted from the ov51x-jpeg package) |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| #define MODULE_NAME "ov519" |
| |
| #include "gspca.h" |
| |
| MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>"); |
| MODULE_DESCRIPTION("OV519 USB Camera Driver"); |
| MODULE_LICENSE("GPL"); |
| |
| /* global parameters */ |
| static int frame_rate; |
| |
| /* Number of times to retry a failed I2C transaction. Increase this if you |
| * are getting "Failed to read sensor ID..." */ |
| static int i2c_detect_tries = 10; |
| |
| /* ov519 device descriptor */ |
| struct sd { |
| struct gspca_dev gspca_dev; /* !! must be the first item */ |
| |
| /* Determined by sensor type */ |
| char sif; |
| |
| unsigned char primary_i2c_slave; /* I2C write id of sensor */ |
| |
| unsigned char brightness; |
| unsigned char contrast; |
| unsigned char colors; |
| __u8 hflip; |
| __u8 vflip; |
| |
| char compress; /* Should the next frame be compressed? */ |
| char compress_inited; /* Are compression params uploaded? */ |
| char stopped; /* Streaming is temporarily paused */ |
| |
| char frame_rate; /* current Framerate (OV519 only) */ |
| char clockdiv; /* clockdiv override for OV519 only */ |
| |
| char sensor; /* Type of image sensor chip (SEN_*) */ |
| #define SEN_UNKNOWN 0 |
| #define SEN_OV6620 1 |
| #define SEN_OV6630 2 |
| #define SEN_OV7610 3 |
| #define SEN_OV7620 4 |
| #define SEN_OV7630 5 |
| #define SEN_OV7640 6 |
| #define SEN_OV7670 7 |
| #define SEN_OV76BE 8 |
| #define SEN_OV8610 9 |
| |
| }; |
| |
| /* V4L2 controls supported by the driver */ |
| static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val); |
| static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val); |
| static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val); |
| |
| static struct ctrl sd_ctrls[] = { |
| { |
| { |
| .id = V4L2_CID_BRIGHTNESS, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Brightness", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| #define BRIGHTNESS_DEF 127 |
| .default_value = BRIGHTNESS_DEF, |
| }, |
| .set = sd_setbrightness, |
| .get = sd_getbrightness, |
| }, |
| { |
| { |
| .id = V4L2_CID_CONTRAST, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Contrast", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| #define CONTRAST_DEF 127 |
| .default_value = CONTRAST_DEF, |
| }, |
| .set = sd_setcontrast, |
| .get = sd_getcontrast, |
| }, |
| { |
| { |
| .id = V4L2_CID_SATURATION, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Color", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| #define COLOR_DEF 127 |
| .default_value = COLOR_DEF, |
| }, |
| .set = sd_setcolors, |
| .get = sd_getcolors, |
| }, |
| /* next controls work with ov7670 only */ |
| { |
| { |
| .id = V4L2_CID_HFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Mirror", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define HFLIP_DEF 0 |
| .default_value = HFLIP_DEF, |
| }, |
| .set = sd_sethflip, |
| .get = sd_gethflip, |
| }, |
| { |
| { |
| .id = V4L2_CID_VFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Vflip", |
| .minimum = 0, |
| .maximum = 1, |
| .step = 1, |
| #define VFLIP_DEF 0 |
| .default_value = VFLIP_DEF, |
| }, |
| .set = sd_setvflip, |
| .get = sd_getvflip, |
| }, |
| }; |
| |
| static struct v4l2_pix_format vga_mode[] = { |
| {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| .bytesperline = 320, |
| .sizeimage = 320 * 240 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 1}, |
| {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| .bytesperline = 640, |
| .sizeimage = 640 * 480 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 0}, |
| }; |
| static struct v4l2_pix_format sif_mode[] = { |
| {176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| .bytesperline = 176, |
| .sizeimage = 176 * 144 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 1}, |
| {352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, |
| .bytesperline = 352, |
| .sizeimage = 352 * 288 * 3 / 8 + 590, |
| .colorspace = V4L2_COLORSPACE_JPEG, |
| .priv = 0}, |
| }; |
| |
| /* OV519 Camera interface register numbers */ |
| #define OV519_CAM_H_SIZE 0x10 |
| #define OV519_CAM_V_SIZE 0x11 |
| #define OV519_CAM_X_OFFSETL 0x12 |
| #define OV519_CAM_X_OFFSETH 0x13 |
| #define OV519_CAM_Y_OFFSETL 0x14 |
| #define OV519_CAM_Y_OFFSETH 0x15 |
| #define OV519_CAM_DIVIDER 0x16 |
| #define OV519_CAM_DFR 0x20 |
| #define OV519_CAM_FORMAT 0x25 |
| |
| /* OV519 System Controller register numbers */ |
| #define OV519_SYS_RESET1 0x51 |
| #define OV519_SYS_EN_CLK1 0x54 |
| |
| #define OV519_GPIO_DATA_OUT0 0x71 |
| #define OV519_GPIO_IO_CTRL0 0x72 |
| |
| #define OV511_ENDPOINT_ADDRESS 1 /* Isoc endpoint number */ |
| |
| /* I2C registers */ |
| #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 R518_I2C_CTL 0x47 /* OV518(+) only */ |
| |
| /* I2C ADDRESSES */ |
| #define OV7xx0_SID 0x42 |
| #define OV8xx0_SID 0xa0 |
| #define OV6xx0_SID 0xc0 |
| |
| /* OV7610 registers */ |
| #define OV7610_REG_GAIN 0x00 /* gain setting (5:0) */ |
| #define OV7610_REG_SAT 0x03 /* saturation */ |
| #define OV8610_REG_HUE 0x04 /* 04 reserved */ |
| #define OV7610_REG_CNT 0x05 /* Y contrast */ |
| #define OV7610_REG_BRT 0x06 /* Y brightness */ |
| #define OV7610_REG_COM_C 0x14 /* misc common regs */ |
| #define OV7610_REG_ID_HIGH 0x1c /* manufacturer ID MSB */ |
| #define OV7610_REG_ID_LOW 0x1d /* manufacturer ID LSB */ |
| #define OV7610_REG_COM_I 0x29 /* misc settings */ |
| |
| /* OV7670 registers */ |
| #define OV7670_REG_GAIN 0x00 /* Gain lower 8 bits (rest in vref) */ |
| #define OV7670_REG_BLUE 0x01 /* blue gain */ |
| #define OV7670_REG_RED 0x02 /* red gain */ |
| #define OV7670_REG_VREF 0x03 /* Pieces of GAIN, VSTART, VSTOP */ |
| #define OV7670_REG_COM1 0x04 /* Control 1 */ |
| #define OV7670_REG_AECHH 0x07 /* AEC MS 5 bits */ |
| #define OV7670_REG_COM3 0x0c /* Control 3 */ |
| #define OV7670_REG_COM4 0x0d /* Control 4 */ |
| #define OV7670_REG_COM5 0x0e /* All "reserved" */ |
| #define OV7670_REG_COM6 0x0f /* Control 6 */ |
| #define OV7670_REG_AECH 0x10 /* More bits of AEC value */ |
| #define OV7670_REG_CLKRC 0x11 /* Clock control */ |
| #define OV7670_REG_COM7 0x12 /* Control 7 */ |
| #define OV7670_COM7_FMT_VGA 0x00 |
| #define OV7670_COM7_YUV 0x00 /* YUV */ |
| #define OV7670_COM7_FMT_QVGA 0x10 /* QVGA format */ |
| #define OV7670_COM7_FMT_MASK 0x38 |
| #define OV7670_COM7_RESET 0x80 /* Register reset */ |
| #define OV7670_REG_COM8 0x13 /* Control 8 */ |
| #define OV7670_COM8_AEC 0x01 /* Auto exposure enable */ |
| #define OV7670_COM8_AWB 0x02 /* White balance enable */ |
| #define OV7670_COM8_AGC 0x04 /* Auto gain enable */ |
| #define OV7670_COM8_BFILT 0x20 /* Band filter enable */ |
| #define OV7670_COM8_AECSTEP 0x40 /* Unlimited AEC step size */ |
| #define OV7670_COM8_FASTAEC 0x80 /* Enable fast AGC/AEC */ |
| #define OV7670_REG_COM9 0x14 /* Control 9 - gain ceiling */ |
| #define OV7670_REG_COM10 0x15 /* Control 10 */ |
| #define OV7670_REG_HSTART 0x17 /* Horiz start high bits */ |
| #define OV7670_REG_HSTOP 0x18 /* Horiz stop high bits */ |
| #define OV7670_REG_VSTART 0x19 /* Vert start high bits */ |
| #define OV7670_REG_VSTOP 0x1a /* Vert stop high bits */ |
| #define OV7670_REG_MVFP 0x1e /* Mirror / vflip */ |
| #define OV7670_MVFP_VFLIP 0x10 /* vertical flip */ |
| #define OV7670_MVFP_MIRROR 0x20 /* Mirror image */ |
| #define OV7670_REG_AEW 0x24 /* AGC upper limit */ |
| #define OV7670_REG_AEB 0x25 /* AGC lower limit */ |
| #define OV7670_REG_VPT 0x26 /* AGC/AEC fast mode op region */ |
| #define OV7670_REG_HREF 0x32 /* HREF pieces */ |
| #define OV7670_REG_TSLB 0x3a /* lots of stuff */ |
| #define OV7670_REG_COM11 0x3b /* Control 11 */ |
| #define OV7670_COM11_EXP 0x02 |
| #define OV7670_COM11_HZAUTO 0x10 /* Auto detect 50/60 Hz */ |
| #define OV7670_REG_COM12 0x3c /* Control 12 */ |
| #define OV7670_REG_COM13 0x3d /* Control 13 */ |
| #define OV7670_COM13_GAMMA 0x80 /* Gamma enable */ |
| #define OV7670_COM13_UVSAT 0x40 /* UV saturation auto adjustment */ |
| #define OV7670_REG_COM14 0x3e /* Control 14 */ |
| #define OV7670_REG_EDGE 0x3f /* Edge enhancement factor */ |
| #define OV7670_REG_COM15 0x40 /* Control 15 */ |
| #define OV7670_COM15_R00FF 0xc0 /* 00 to FF */ |
| #define OV7670_REG_COM16 0x41 /* Control 16 */ |
| #define OV7670_COM16_AWBGAIN 0x08 /* AWB gain enable */ |
| #define OV7670_REG_BRIGHT 0x55 /* Brightness */ |
| #define OV7670_REG_CONTRAS 0x56 /* Contrast control */ |
| #define OV7670_REG_GFIX 0x69 /* Fix gain control */ |
| #define OV7670_REG_RGB444 0x8c /* RGB 444 control */ |
| #define OV7670_REG_HAECC1 0x9f /* Hist AEC/AGC control 1 */ |
| #define OV7670_REG_HAECC2 0xa0 /* Hist AEC/AGC control 2 */ |
| #define OV7670_REG_BD50MAX 0xa5 /* 50hz banding step limit */ |
| #define OV7670_REG_HAECC3 0xa6 /* Hist AEC/AGC control 3 */ |
| #define OV7670_REG_HAECC4 0xa7 /* Hist AEC/AGC control 4 */ |
| #define OV7670_REG_HAECC5 0xa8 /* Hist AEC/AGC control 5 */ |
| #define OV7670_REG_HAECC6 0xa9 /* Hist AEC/AGC control 6 */ |
| #define OV7670_REG_HAECC7 0xaa /* Hist AEC/AGC control 7 */ |
| #define OV7670_REG_BD60MAX 0xab /* 60hz banding step limit */ |
| |
| static unsigned char ov7670_abs_to_sm(unsigned char v) |
| { |
| if (v > 127) |
| return v & 0x7f; |
| return (128 - v) | 0x80; |
| } |
| |
| /* Write a OV519 register */ |
| static int reg_w(struct sd *sd, __u16 index, __u8 value) |
| { |
| int ret; |
| |
| sd->gspca_dev.usb_buf[0] = value; |
| ret = usb_control_msg(sd->gspca_dev.dev, |
| usb_sndctrlpipe(sd->gspca_dev.dev, 0), |
| 1, /* REQ_IO (ov518/519) */ |
| USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 0, index, |
| sd->gspca_dev.usb_buf, 1, 500); |
| if (ret < 0) |
| PDEBUG(D_ERR, "Write reg [%02x] %02x failed", index, value); |
| return ret; |
| } |
| |
| /* Read from a OV519 register */ |
| /* returns: negative is error, pos or zero is data */ |
| static int reg_r(struct sd *sd, __u16 index) |
| { |
| int ret; |
| |
| ret = usb_control_msg(sd->gspca_dev.dev, |
| usb_rcvctrlpipe(sd->gspca_dev.dev, 0), |
| 1, /* REQ_IO */ |
| USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 0, index, sd->gspca_dev.usb_buf, 1, 500); |
| |
| if (ret >= 0) |
| ret = sd->gspca_dev.usb_buf[0]; |
| else |
| PDEBUG(D_ERR, "Read reg [0x%02x] failed", index); |
| return ret; |
| } |
| |
| /* Read 8 values from a OV519 register */ |
| static int reg_r8(struct sd *sd, |
| __u16 index) |
| { |
| int ret; |
| |
| ret = usb_control_msg(sd->gspca_dev.dev, |
| usb_rcvctrlpipe(sd->gspca_dev.dev, 0), |
| 1, /* REQ_IO */ |
| USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 0, index, sd->gspca_dev.usb_buf, 8, 500); |
| |
| if (ret >= 0) |
| ret = sd->gspca_dev.usb_buf[0]; |
| else |
| PDEBUG(D_ERR, "Read reg 8 [0x%02x] failed", index); |
| return ret; |
| } |
| |
| /* |
| * Writes bits at positions specified by mask to an OV51x reg. Bits that are in |
| * the same position as 1's in "mask" are cleared and set to "value". Bits |
| * that are in the same position as 0's in "mask" are preserved, regardless |
| * of their respective state in "value". |
| */ |
| static int reg_w_mask(struct sd *sd, |
| __u16 index, |
| __u8 value, |
| __u8 mask) |
| { |
| int ret; |
| __u8 oldval; |
| |
| if (mask != 0xff) { |
| value &= mask; /* Enforce mask on value */ |
| ret = reg_r(sd, index); |
| if (ret < 0) |
| return ret; |
| |
| oldval = ret & ~mask; /* Clear the masked bits */ |
| value |= oldval; /* Set the desired bits */ |
| } |
| return reg_w(sd, index, value); |
| } |
| |
| /* |
| * The OV518 I2C I/O procedure is different, hence, this function. |
| * This is normally only called from i2c_w(). Note that this function |
| * always succeeds regardless of whether the sensor is present and working. |
| */ |
| static int i2c_w(struct sd *sd, |
| __u8 reg, |
| __u8 value) |
| { |
| int rc; |
| |
| PDEBUG(D_USBO, "i2c 0x%02x -> [0x%02x]", value, reg); |
| |
| /* Select camera register */ |
| rc = reg_w(sd, R51x_I2C_SADDR_3, reg); |
| if (rc < 0) |
| return rc; |
| |
| /* Write "value" to I2C data port of OV511 */ |
| rc = reg_w(sd, R51x_I2C_DATA, value); |
| if (rc < 0) |
| return rc; |
| |
| /* Initiate 3-byte write cycle */ |
| rc = reg_w(sd, R518_I2C_CTL, 0x01); |
| |
| /* wait for write complete */ |
| msleep(4); |
| if (rc < 0) |
| return rc; |
| return reg_r8(sd, R518_I2C_CTL); |
| } |
| |
| /* |
| * returns: negative is error, pos or zero is data |
| * |
| * The OV518 I2C I/O procedure is different, hence, this function. |
| * This is normally only called from i2c_r(). Note that this function |
| * always succeeds regardless of whether the sensor is present and working. |
| */ |
| static int i2c_r(struct sd *sd, __u8 reg) |
| { |
| int rc, value; |
| |
| /* Select camera register */ |
| rc = reg_w(sd, R51x_I2C_SADDR_2, reg); |
| if (rc < 0) |
| return rc; |
| |
| /* Initiate 2-byte write cycle */ |
| rc = reg_w(sd, R518_I2C_CTL, 0x03); |
| if (rc < 0) |
| return rc; |
| |
| /* Initiate 2-byte read cycle */ |
| rc = reg_w(sd, R518_I2C_CTL, 0x05); |
| if (rc < 0) |
| return rc; |
| value = reg_r(sd, R51x_I2C_DATA); |
| PDEBUG(D_USBI, "i2c [0x%02X] -> 0x%02X", reg, value); |
| return value; |
| } |
| |
| /* Writes bits at positions specified by mask to an I2C reg. Bits that are in |
| * the same position as 1's in "mask" are cleared and set to "value". Bits |
| * that are in the same position as 0's in "mask" are preserved, regardless |
| * of their respective state in "value". |
| */ |
| static int i2c_w_mask(struct sd *sd, |
| __u8 reg, |
| __u8 value, |
| __u8 mask) |
| { |
| int rc; |
| __u8 oldval; |
| |
| value &= mask; /* Enforce mask on value */ |
| rc = i2c_r(sd, reg); |
| if (rc < 0) |
| return rc; |
| oldval = rc & ~mask; /* Clear the masked bits */ |
| value |= oldval; /* Set the desired bits */ |
| return i2c_w(sd, reg, value); |
| } |
| |
| /* Temporarily stops OV511 from functioning. Must do this before changing |
| * registers while the camera is streaming */ |
| static inline int ov51x_stop(struct sd *sd) |
| { |
| PDEBUG(D_STREAM, "stopping"); |
| sd->stopped = 1; |
| return reg_w(sd, OV519_SYS_RESET1, 0x0f); |
| } |
| |
| /* Restarts OV511 after ov511_stop() is called. Has no effect if it is not |
| * actually stopped (for performance). */ |
| static inline int ov51x_restart(struct sd *sd) |
| { |
| PDEBUG(D_STREAM, "restarting"); |
| if (!sd->stopped) |
| return 0; |
| sd->stopped = 0; |
| |
| /* Reinitialize the stream */ |
| return reg_w(sd, OV519_SYS_RESET1, 0x00); |
| } |
| |
| /* This does an initial reset of an OmniVision sensor and ensures that I2C |
| * is synchronized. Returns <0 on failure. |
| */ |
| static int init_ov_sensor(struct sd *sd) |
| { |
| int i, success; |
| |
| /* Reset the sensor */ |
| if (i2c_w(sd, 0x12, 0x80) < 0) |
| return -EIO; |
| |
| /* Wait for it to initialize */ |
| msleep(150); |
| |
| for (i = 0, success = 0; i < i2c_detect_tries && !success; i++) { |
| if (i2c_r(sd, OV7610_REG_ID_HIGH) == 0x7f && |
| i2c_r(sd, OV7610_REG_ID_LOW) == 0xa2) { |
| success = 1; |
| continue; |
| } |
| |
| /* Reset the sensor */ |
| if (i2c_w(sd, 0x12, 0x80) < 0) |
| return -EIO; |
| /* Wait for it to initialize */ |
| msleep(150); |
| /* Dummy read to sync I2C */ |
| if (i2c_r(sd, 0x00) < 0) |
| return -EIO; |
| } |
| if (!success) |
| return -EIO; |
| PDEBUG(D_PROBE, "I2C synced in %d attempt(s)", i); |
| return 0; |
| } |
| |
| /* Set the read and write slave IDs. The "slave" argument is the write slave, |
| * and the read slave will be set to (slave + 1). |
| * This should not be called from outside the i2c I/O functions. |
| * Sets I2C read and write slave IDs. Returns <0 for error |
| */ |
| static int ov51x_set_slave_ids(struct sd *sd, |
| __u8 slave) |
| { |
| int rc; |
| |
| rc = reg_w(sd, R51x_I2C_W_SID, slave); |
| if (rc < 0) |
| return rc; |
| return reg_w(sd, R51x_I2C_R_SID, slave + 1); |
| } |
| |
| struct ov_regvals { |
| __u8 reg; |
| __u8 val; |
| }; |
| struct ov_i2c_regvals { |
| __u8 reg; |
| __u8 val; |
| }; |
| |
| static int write_regvals(struct sd *sd, |
| const struct ov_regvals *regvals, |
| int n) |
| { |
| int rc; |
| |
| while (--n >= 0) { |
| rc = reg_w(sd, regvals->reg, regvals->val); |
| if (rc < 0) |
| return rc; |
| regvals++; |
| } |
| return 0; |
| } |
| |
| static int write_i2c_regvals(struct sd *sd, |
| const struct ov_i2c_regvals *regvals, |
| int n) |
| { |
| int rc; |
| |
| while (--n >= 0) { |
| rc = i2c_w(sd, regvals->reg, regvals->val); |
| if (rc < 0) |
| return rc; |
| regvals++; |
| } |
| return 0; |
| } |
| |
| /**************************************************************************** |
| * |
| * OV511 and sensor configuration |
| * |
| ***************************************************************************/ |
| |
| /* This initializes the OV8110, OV8610 sensor. The OV8110 uses |
| * the same register settings as the OV8610, since they are very similar. |
| */ |
| static int ov8xx0_configure(struct sd *sd) |
| { |
| int rc; |
| static const struct ov_i2c_regvals norm_8610[] = { |
| { 0x12, 0x80 }, |
| { 0x00, 0x00 }, |
| { 0x01, 0x80 }, |
| { 0x02, 0x80 }, |
| { 0x03, 0xc0 }, |
| { 0x04, 0x30 }, |
| { 0x05, 0x30 }, /* was 0x10, new from windrv 090403 */ |
| { 0x06, 0x70 }, /* was 0x80, new from windrv 090403 */ |
| { 0x0a, 0x86 }, |
| { 0x0b, 0xb0 }, |
| { 0x0c, 0x20 }, |
| { 0x0d, 0x20 }, |
| { 0x11, 0x01 }, |
| { 0x12, 0x25 }, |
| { 0x13, 0x01 }, |
| { 0x14, 0x04 }, |
| { 0x15, 0x01 }, /* Lin and Win think different about UV order */ |
| { 0x16, 0x03 }, |
| { 0x17, 0x38 }, /* was 0x2f, new from windrv 090403 */ |
| { 0x18, 0xea }, /* was 0xcf, new from windrv 090403 */ |
| { 0x19, 0x02 }, /* was 0x06, new from windrv 090403 */ |
| { 0x1a, 0xf5 }, |
| { 0x1b, 0x00 }, |
| { 0x20, 0xd0 }, /* was 0x90, new from windrv 090403 */ |
| { 0x23, 0xc0 }, /* was 0x00, new from windrv 090403 */ |
| { 0x24, 0x30 }, /* was 0x1d, new from windrv 090403 */ |
| { 0x25, 0x50 }, /* was 0x57, new from windrv 090403 */ |
| { 0x26, 0xa2 }, |
| { 0x27, 0xea }, |
| { 0x28, 0x00 }, |
| { 0x29, 0x00 }, |
| { 0x2a, 0x80 }, |
| { 0x2b, 0xc8 }, /* was 0xcc, new from windrv 090403 */ |
| { 0x2c, 0xac }, |
| { 0x2d, 0x45 }, /* was 0xd5, new from windrv 090403 */ |
| { 0x2e, 0x80 }, |
| { 0x2f, 0x14 }, /* was 0x01, new from windrv 090403 */ |
| { 0x4c, 0x00 }, |
| { 0x4d, 0x30 }, /* was 0x10, new from windrv 090403 */ |
| { 0x60, 0x02 }, /* was 0x01, new from windrv 090403 */ |
| { 0x61, 0x00 }, /* was 0x09, new from windrv 090403 */ |
| { 0x62, 0x5f }, /* was 0xd7, new from windrv 090403 */ |
| { 0x63, 0xff }, |
| { 0x64, 0x53 }, /* new windrv 090403 says 0x57, |
| * maybe thats wrong */ |
| { 0x65, 0x00 }, |
| { 0x66, 0x55 }, |
| { 0x67, 0xb0 }, |
| { 0x68, 0xc0 }, /* was 0xaf, new from windrv 090403 */ |
| { 0x69, 0x02 }, |
| { 0x6a, 0x22 }, |
| { 0x6b, 0x00 }, |
| { 0x6c, 0x99 }, /* was 0x80, old windrv says 0x00, but |
| deleting bit7 colors the first images red */ |
| { 0x6d, 0x11 }, /* was 0x00, new from windrv 090403 */ |
| { 0x6e, 0x11 }, /* was 0x00, new from windrv 090403 */ |
| { 0x6f, 0x01 }, |
| { 0x70, 0x8b }, |
| { 0x71, 0x00 }, |
| { 0x72, 0x14 }, |
| { 0x73, 0x54 }, |
| { 0x74, 0x00 },/* 0x60? - was 0x00, new from windrv 090403 */ |
| { 0x75, 0x0e }, |
| { 0x76, 0x02 }, /* was 0x02, new from windrv 090403 */ |
| { 0x77, 0xff }, |
| { 0x78, 0x80 }, |
| { 0x79, 0x80 }, |
| { 0x7a, 0x80 }, |
| { 0x7b, 0x10 }, /* was 0x13, new from windrv 090403 */ |
| { 0x7c, 0x00 }, |
| { 0x7d, 0x08 }, /* was 0x09, new from windrv 090403 */ |
| { 0x7e, 0x08 }, /* was 0xc0, new from windrv 090403 */ |
| { 0x7f, 0xfb }, |
| { 0x80, 0x28 }, |
| { 0x81, 0x00 }, |
| { 0x82, 0x23 }, |
| { 0x83, 0x0b }, |
| { 0x84, 0x00 }, |
| { 0x85, 0x62 }, /* was 0x61, new from windrv 090403 */ |
| { 0x86, 0xc9 }, |
| { 0x87, 0x00 }, |
| { 0x88, 0x00 }, |
| { 0x89, 0x01 }, |
| { 0x12, 0x20 }, |
| { 0x12, 0x25 }, /* was 0x24, new from windrv 090403 */ |
| }; |
| |
| PDEBUG(D_PROBE, "starting ov8xx0 configuration"); |
| |
| if (init_ov_sensor(sd) < 0) |
| PDEBUG(D_ERR|D_PROBE, "Failed to read sensor ID"); |
| else |
| PDEBUG(D_PROBE, "OV86x0 initialized"); |
| |
| /* Detect sensor (sub)type */ |
| rc = i2c_r(sd, OV7610_REG_COM_I); |
| if (rc < 0) { |
| PDEBUG(D_ERR, "Error detecting sensor type"); |
| return -1; |
| } |
| if ((rc & 3) == 1) { |
| sd->sensor = SEN_OV8610; |
| } else { |
| PDEBUG(D_ERR, "Unknown image sensor version: %d", rc & 3); |
| return -1; |
| } |
| PDEBUG(D_PROBE, "Writing 8610 registers"); |
| if (write_i2c_regvals(sd, norm_8610, ARRAY_SIZE(norm_8610))) |
| return -1; |
| |
| /* Set sensor-specific vars */ |
| /* sd->sif = 0; already done */ |
| return 0; |
| } |
| |
| /* This initializes the OV7610, OV7620, or OV76BE sensor. The OV76BE uses |
| * the same register settings as the OV7610, since they are very similar. |
| */ |
| static int ov7xx0_configure(struct sd *sd) |
| { |
| int rc, high, low; |
| |
| /* Lawrence Glaister <lg@jfm.bc.ca> reports: |
| * |
| * Register 0x0f in the 7610 has the following effects: |
| * |
| * 0x85 (AEC method 1): Best overall, good contrast range |
| * 0x45 (AEC method 2): Very overexposed |
| * 0xa5 (spec sheet default): Ok, but the black level is |
| * shifted resulting in loss of contrast |
| * 0x05 (old driver setting): very overexposed, too much |
| * contrast |
| */ |
| static const struct ov_i2c_regvals norm_7610[] = { |
| { 0x10, 0xff }, |
| { 0x16, 0x06 }, |
| { 0x28, 0x24 }, |
| { 0x2b, 0xac }, |
| { 0x12, 0x00 }, |
| { 0x38, 0x81 }, |
| { 0x28, 0x24 }, /* 0c */ |
| { 0x0f, 0x85 }, /* lg's setting */ |
| { 0x15, 0x01 }, |
| { 0x20, 0x1c }, |
| { 0x23, 0x2a }, |
| { 0x24, 0x10 }, |
| { 0x25, 0x8a }, |
| { 0x26, 0xa2 }, |
| { 0x27, 0xc2 }, |
| { 0x2a, 0x04 }, |
| { 0x2c, 0xfe }, |
| { 0x2d, 0x93 }, |
| { 0x30, 0x71 }, |
| { 0x31, 0x60 }, |
| { 0x32, 0x26 }, |
| { 0x33, 0x20 }, |
| { 0x34, 0x48 }, |
| { 0x12, 0x24 }, |
| { 0x11, 0x01 }, |
| { 0x0c, 0x24 }, |
| { 0x0d, 0x24 }, |
| }; |
| |
| static const struct ov_i2c_regvals norm_7620[] = { |
| { 0x00, 0x00 }, /* gain */ |
| { 0x01, 0x80 }, /* blue gain */ |
| { 0x02, 0x80 }, /* red gain */ |
| { 0x03, 0xc0 }, /* OV7670_REG_VREF */ |
| { 0x06, 0x60 }, |
| { 0x07, 0x00 }, |
| { 0x0c, 0x24 }, |
| { 0x0c, 0x24 }, |
| { 0x0d, 0x24 }, |
| { 0x11, 0x01 }, |
| { 0x12, 0x24 }, |
| { 0x13, 0x01 }, |
| { 0x14, 0x84 }, |
| { 0x15, 0x01 }, |
| { 0x16, 0x03 }, |
| { 0x17, 0x2f }, |
| { 0x18, 0xcf }, |
| { 0x19, 0x06 }, |
| { 0x1a, 0xf5 }, |
| { 0x1b, 0x00 }, |
| { 0x20, 0x18 }, |
| { 0x21, 0x80 }, |
| { 0x22, 0x80 }, |
| { 0x23, 0x00 }, |
| { 0x26, 0xa2 }, |
| { 0x27, 0xea }, |
| { 0x28, 0x20 }, |
| { 0x29, 0x00 }, |
| { 0x2a, 0x10 }, |
| { 0x2b, 0x00 }, |
| { 0x2c, 0x88 }, |
| { 0x2d, 0x91 }, |
| { 0x2e, 0x80 }, |
| { 0x2f, 0x44 }, |
| { 0x60, 0x27 }, |
| { 0x61, 0x02 }, |
| { 0x62, 0x5f }, |
| { 0x63, 0xd5 }, |
| { 0x64, 0x57 }, |
| { 0x65, 0x83 }, |
| { 0x66, 0x55 }, |
| { 0x67, 0x92 }, |
| { 0x68, 0xcf }, |
| { 0x69, 0x76 }, |
| { 0x6a, 0x22 }, |
| { 0x6b, 0x00 }, |
| { 0x6c, 0x02 }, |
| { 0x6d, 0x44 }, |
| { 0x6e, 0x80 }, |
| { 0x6f, 0x1d }, |
| { 0x70, 0x8b }, |
| { 0x71, 0x00 }, |
| { 0x72, 0x14 }, |
| { 0x73, 0x54 }, |
| { 0x74, 0x00 }, |
| { 0x75, 0x8e }, |
| { 0x76, 0x00 }, |
| { 0x77, 0xff }, |
| { 0x78, 0x80 }, |
| { 0x79, 0x80 }, |
| { 0x7a, 0x80 }, |
| { 0x7b, 0xe2 }, |
| { 0x7c, 0x00 }, |
| }; |
| |
| /* 7640 and 7648. The defaults should be OK for most registers. */ |
| static const struct ov_i2c_regvals norm_7640[] = { |
| { 0x12, 0x80 }, |
| { 0x12, 0x14 }, |
| }; |
| |
| /* 7670. Defaults taken from OmniVision provided data, |
| * as provided by Jonathan Corbet of OLPC */ |
| static const struct ov_i2c_regvals norm_7670[] = { |
| { OV7670_REG_COM7, OV7670_COM7_RESET }, |
| { OV7670_REG_TSLB, 0x04 }, /* OV */ |
| { OV7670_REG_COM7, OV7670_COM7_FMT_VGA }, /* VGA */ |
| { OV7670_REG_CLKRC, 0x01 }, |
| /* |
| * Set the hardware window. These values from OV don't entirely |
| * make sense - hstop is less than hstart. But they work... |
| */ |
| { OV7670_REG_HSTART, 0x13 }, { OV7670_REG_HSTOP, 0x01 }, |
| { OV7670_REG_HREF, 0xb6 }, { OV7670_REG_VSTART, 0x02 }, |
| { OV7670_REG_VSTOP, 0x7a }, { OV7670_REG_VREF, 0x0a }, |
| |
| { OV7670_REG_COM3, 0 }, { OV7670_REG_COM14, 0 }, |
| /* Mystery scaling numbers */ |
| { 0x70, 0x3a }, { 0x71, 0x35 }, |
| { 0x72, 0x11 }, { 0x73, 0xf0 }, |
| { 0xa2, 0x02 }, |
| /* { OV7670_REG_COM10, 0x0 }, */ |
| |
| /* Gamma curve values */ |
| { 0x7a, 0x20 }, |
| { 0x7b, 0x10 }, |
| { 0x7c, 0x1e }, |
| { 0x7d, 0x35 }, |
| { 0x7e, 0x5a }, { 0x7f, 0x69 }, |
| { 0x80, 0x76 }, { 0x81, 0x80 }, |
| { 0x82, 0x88 }, { 0x83, 0x8f }, |
| { 0x84, 0x96 }, { 0x85, 0xa3 }, |
| { 0x86, 0xaf }, { 0x87, 0xc4 }, |
| { 0x88, 0xd7 }, { 0x89, 0xe8 }, |
| |
| /* AGC and AEC parameters. Note we start by disabling those features, |
| then turn them only after tweaking the values. */ |
| { OV7670_REG_COM8, OV7670_COM8_FASTAEC |
| | OV7670_COM8_AECSTEP |
| | OV7670_COM8_BFILT }, |
| { OV7670_REG_GAIN, 0 }, { OV7670_REG_AECH, 0 }, |
| { OV7670_REG_COM4, 0x40 }, /* magic reserved bit */ |
| { OV7670_REG_COM9, 0x18 }, /* 4x gain + magic rsvd bit */ |
| { OV7670_REG_BD50MAX, 0x05 }, { OV7670_REG_BD60MAX, 0x07 }, |
| { OV7670_REG_AEW, 0x95 }, { OV7670_REG_AEB, 0x33 }, |
| { OV7670_REG_VPT, 0xe3 }, { OV7670_REG_HAECC1, 0x78 }, |
| { OV7670_REG_HAECC2, 0x68 }, |
| { 0xa1, 0x03 }, /* magic */ |
| { OV7670_REG_HAECC3, 0xd8 }, { OV7670_REG_HAECC4, 0xd8 }, |
| { OV7670_REG_HAECC5, 0xf0 }, { OV7670_REG_HAECC6, 0x90 }, |
| { OV7670_REG_HAECC7, 0x94 }, |
| { OV7670_REG_COM8, OV7670_COM8_FASTAEC |
| | OV7670_COM8_AECSTEP |
| | OV7670_COM8_BFILT |
| | OV7670_COM8_AGC |
| | OV7670_COM8_AEC }, |
| |
| /* Almost all of these are magic "reserved" values. */ |
| { OV7670_REG_COM5, 0x61 }, { OV7670_REG_COM6, 0x4b }, |
| { 0x16, 0x02 }, |
| { OV7670_REG_MVFP, 0x07 }, |
| { 0x21, 0x02 }, { 0x22, 0x91 }, |
| { 0x29, 0x07 }, { 0x33, 0x0b }, |
| { 0x35, 0x0b }, { 0x37, 0x1d }, |
| { 0x38, 0x71 }, { 0x39, 0x2a }, |
| { OV7670_REG_COM12, 0x78 }, { 0x4d, 0x40 }, |
| { 0x4e, 0x20 }, { OV7670_REG_GFIX, 0 }, |
| { 0x6b, 0x4a }, { 0x74, 0x10 }, |
| { 0x8d, 0x4f }, { 0x8e, 0 }, |
| { 0x8f, 0 }, { 0x90, 0 }, |
| { 0x91, 0 }, { 0x96, 0 }, |
| { 0x9a, 0 }, { 0xb0, 0x84 }, |
| { 0xb1, 0x0c }, { 0xb2, 0x0e }, |
| { 0xb3, 0x82 }, { 0xb8, 0x0a }, |
| |
| /* More reserved magic, some of which tweaks white balance */ |
| { 0x43, 0x0a }, { 0x44, 0xf0 }, |
| { 0x45, 0x34 }, { 0x46, 0x58 }, |
| { 0x47, 0x28 }, { 0x48, 0x3a }, |
| { 0x59, 0x88 }, { 0x5a, 0x88 }, |
| { 0x5b, 0x44 }, { 0x5c, 0x67 }, |
| { 0x5d, 0x49 }, { 0x5e, 0x0e }, |
| { 0x6c, 0x0a }, { 0x6d, 0x55 }, |
| { 0x6e, 0x11 }, { 0x6f, 0x9f }, |
| /* "9e for advance AWB" */ |
| { 0x6a, 0x40 }, { OV7670_REG_BLUE, 0x40 }, |
| { OV7670_REG_RED, 0x60 }, |
| { OV7670_REG_COM8, OV7670_COM8_FASTAEC |
| | OV7670_COM8_AECSTEP |
| | OV7670_COM8_BFILT |
| | OV7670_COM8_AGC |
| | OV7670_COM8_AEC |
| | OV7670_COM8_AWB }, |
| |
| /* Matrix coefficients */ |
| { 0x4f, 0x80 }, { 0x50, 0x80 }, |
| { 0x51, 0 }, { 0x52, 0x22 }, |
| { 0x53, 0x5e }, { 0x54, 0x80 }, |
| { 0x58, 0x9e }, |
| |
| { OV7670_REG_COM16, OV7670_COM16_AWBGAIN }, |
| { OV7670_REG_EDGE, 0 }, |
| { 0x75, 0x05 }, { 0x76, 0xe1 }, |
| { 0x4c, 0 }, { 0x77, 0x01 }, |
| { OV7670_REG_COM13, OV7670_COM13_GAMMA |
| | OV7670_COM13_UVSAT |
| | 2}, /* was 3 */ |
| { 0x4b, 0x09 }, |
| { 0xc9, 0x60 }, { OV7670_REG_COM16, 0x38 }, |
| { 0x56, 0x40 }, |
| |
| { 0x34, 0x11 }, |
| { OV7670_REG_COM11, OV7670_COM11_EXP|OV7670_COM11_HZAUTO }, |
| { 0xa4, 0x88 }, { 0x96, 0 }, |
| { 0x97, 0x30 }, { 0x98, 0x20 }, |
| { 0x99, 0x30 }, { 0x9a, 0x84 }, |
| { 0x9b, 0x29 }, { 0x9c, 0x03 }, |
| { 0x9d, 0x4c }, { 0x9e, 0x3f }, |
| { 0x78, 0x04 }, |
| |
| /* Extra-weird stuff. Some sort of multiplexor register */ |
| { 0x79, 0x01 }, { 0xc8, 0xf0 }, |
| { 0x79, 0x0f }, { 0xc8, 0x00 }, |
| { 0x79, 0x10 }, { 0xc8, 0x7e }, |
| { 0x79, 0x0a }, { 0xc8, 0x80 }, |
| { 0x79, 0x0b }, { 0xc8, 0x01 }, |
| { 0x79, 0x0c }, { 0xc8, 0x0f }, |
| { 0x79, 0x0d }, { 0xc8, 0x20 }, |
| { 0x79, 0x09 }, { 0xc8, 0x80 }, |
| { 0x79, 0x02 }, { 0xc8, 0xc0 }, |
| { 0x79, 0x03 }, { 0xc8, 0x40 }, |
| { 0x79, 0x05 }, { 0xc8, 0x30 }, |
| { 0x79, 0x26 }, |
| }; |
| |
| PDEBUG(D_PROBE, "starting OV7xx0 configuration"); |
| |
| /* Detect sensor (sub)type */ |
| rc = i2c_r(sd, OV7610_REG_COM_I); |
| |
| /* add OV7670 here |
| * it appears to be wrongly detected as a 7610 by default */ |
| if (rc < 0) { |
| PDEBUG(D_ERR, "Error detecting sensor type"); |
| return -1; |
| } |
| if ((rc & 3) == 3) { |
| /* quick hack to make OV7670s work */ |
| high = i2c_r(sd, 0x0a); |
| low = i2c_r(sd, 0x0b); |
| /* info("%x, %x", high, low); */ |
| if (high == 0x76 && low == 0x73) { |
| PDEBUG(D_PROBE, "Sensor is an OV7670"); |
| sd->sensor = SEN_OV7670; |
| } else { |
| PDEBUG(D_PROBE, "Sensor is an OV7610"); |
| sd->sensor = SEN_OV7610; |
| } |
| } else if ((rc & 3) == 1) { |
| /* I don't know what's different about the 76BE yet. */ |
| if (i2c_r(sd, 0x15) & 1) |
| PDEBUG(D_PROBE, "Sensor is an OV7620AE"); |
| else |
| PDEBUG(D_PROBE, "Sensor is an OV76BE"); |
| |
| /* OV511+ will return all zero isoc data unless we |
| * configure the sensor as a 7620. Someone needs to |
| * find the exact reg. setting that causes this. */ |
| sd->sensor = SEN_OV76BE; |
| } else if ((rc & 3) == 0) { |
| /* try to read product id registers */ |
| high = i2c_r(sd, 0x0a); |
| if (high < 0) { |
| PDEBUG(D_ERR, "Error detecting camera chip PID"); |
| return high; |
| } |
| low = i2c_r(sd, 0x0b); |
| if (low < 0) { |
| PDEBUG(D_ERR, "Error detecting camera chip VER"); |
| return low; |
| } |
| if (high == 0x76) { |
| switch (low) { |
| case 0x30: |
| PDEBUG(D_PROBE, "Sensor is an OV7630/OV7635"); |
| sd->sensor = SEN_OV7630; |
| break; |
| case 0x40: |
| PDEBUG(D_PROBE, "Sensor is an OV7645"); |
| sd->sensor = SEN_OV7640; /* FIXME */ |
| break; |
| case 0x45: |
| PDEBUG(D_PROBE, "Sensor is an OV7645B"); |
| sd->sensor = SEN_OV7640; /* FIXME */ |
| break; |
| case 0x48: |
| PDEBUG(D_PROBE, "Sensor is an OV7648"); |
| sd->sensor = SEN_OV7640; /* FIXME */ |
| break; |
| default: |
| PDEBUG(D_PROBE, "Unknown sensor: 0x76%x", low); |
| return -1; |
| } |
| } else { |
| PDEBUG(D_PROBE, "Sensor is an OV7620"); |
| sd->sensor = SEN_OV7620; |
| } |
| } else { |
| PDEBUG(D_ERR, "Unknown image sensor version: %d", rc & 3); |
| return -1; |
| } |
| |
| switch (sd->sensor) { |
| case SEN_OV7620: |
| PDEBUG(D_PROBE, "Writing 7620 registers"); |
| if (write_i2c_regvals(sd, norm_7620, ARRAY_SIZE(norm_7620))) |
| return -1; |
| break; |
| case SEN_OV7630: |
| PDEBUG(D_ERR, "7630 is not supported by this driver version"); |
| return -1; |
| case SEN_OV7640: |
| PDEBUG(D_PROBE, "Writing 7640 registers"); |
| if (write_i2c_regvals(sd, norm_7640, ARRAY_SIZE(norm_7640))) |
| return -1; |
| break; |
| case SEN_OV7670: |
| PDEBUG(D_PROBE, "Writing 7670 registers"); |
| if (write_i2c_regvals(sd, norm_7670, ARRAY_SIZE(norm_7670))) |
| return -1; |
| break; |
| default: |
| PDEBUG(D_PROBE, "Writing 7610 registers"); |
| if (write_i2c_regvals(sd, norm_7610, ARRAY_SIZE(norm_7610))) |
| return -1; |
| break; |
| } |
| |
| /* Set sensor-specific vars */ |
| /* sd->sif = 0; already done */ |
| return 0; |
| } |
| |
| /* This initializes the OV6620, OV6630, OV6630AE, or OV6630AF sensor. */ |
| static int ov6xx0_configure(struct sd *sd) |
| { |
| int rc; |
| static const struct ov_i2c_regvals norm_6x20[] = { |
| { 0x12, 0x80 }, /* reset */ |
| { 0x11, 0x01 }, |
| { 0x03, 0x60 }, |
| { 0x05, 0x7f }, /* For when autoadjust is off */ |
| { 0x07, 0xa8 }, |
| /* The ratio of 0x0c and 0x0d controls the white point */ |
| { 0x0c, 0x24 }, |
| { 0x0d, 0x24 }, |
| { 0x0f, 0x15 }, /* COMS */ |
| { 0x10, 0x75 }, /* AEC Exposure time */ |
| { 0x12, 0x24 }, /* Enable AGC */ |
| { 0x14, 0x04 }, |
| /* 0x16: 0x06 helps frame stability with moving objects */ |
| { 0x16, 0x06 }, |
| /* { 0x20, 0x30 }, * Aperture correction enable */ |
| { 0x26, 0xb2 }, /* BLC enable */ |
| /* 0x28: 0x05 Selects RGB format if RGB on */ |
| { 0x28, 0x05 }, |
| { 0x2a, 0x04 }, /* Disable framerate adjust */ |
| /* { 0x2b, 0xac }, * Framerate; Set 2a[7] first */ |
| { 0x2d, 0x99 }, |
| { 0x33, 0xa0 }, /* Color Processing Parameter */ |
| { 0x34, 0xd2 }, /* Max A/D range */ |
| { 0x38, 0x8b }, |
| { 0x39, 0x40 }, |
| |
| { 0x3c, 0x39 }, /* Enable AEC mode changing */ |
| { 0x3c, 0x3c }, /* Change AEC mode */ |
| { 0x3c, 0x24 }, /* Disable AEC mode changing */ |
| |
| { 0x3d, 0x80 }, |
| /* These next two registers (0x4a, 0x4b) are undocumented. |
| * They control the color balance */ |
| { 0x4a, 0x80 }, |
| { 0x4b, 0x80 }, |
| { 0x4d, 0xd2 }, /* This reduces noise a bit */ |
| { 0x4e, 0xc1 }, |
| { 0x4f, 0x04 }, |
| /* Do 50-53 have any effect? */ |
| /* Toggle 0x12[2] off and on here? */ |
| }; |
| |
| static const struct ov_i2c_regvals norm_6x30[] = { |
| { 0x12, 0x80 }, /* Reset */ |
| { 0x00, 0x1f }, /* Gain */ |
| { 0x01, 0x99 }, /* Blue gain */ |
| { 0x02, 0x7c }, /* Red gain */ |
| { 0x03, 0xc0 }, /* Saturation */ |
| { 0x05, 0x0a }, /* Contrast */ |
| { 0x06, 0x95 }, /* Brightness */ |
| { 0x07, 0x2d }, /* Sharpness */ |
| { 0x0c, 0x20 }, |
| { 0x0d, 0x20 }, |
| { 0x0e, 0x20 }, |
| { 0x0f, 0x05 }, |
| { 0x10, 0x9a }, |
| { 0x11, 0x00 }, /* Pixel clock = fastest */ |
| { 0x12, 0x24 }, /* Enable AGC and AWB */ |
| { 0x13, 0x21 }, |
| { 0x14, 0x80 }, |
| { 0x15, 0x01 }, |
| { 0x16, 0x03 }, |
| { 0x17, 0x38 }, |
| { 0x18, 0xea }, |
| { 0x19, 0x04 }, |
| { 0x1a, 0x93 }, |
| { 0x1b, 0x00 }, |
| { 0x1e, 0xc4 }, |
| { 0x1f, 0x04 }, |
| { 0x20, 0x20 }, |
| { 0x21, 0x10 }, |
| { 0x22, 0x88 }, |
| { 0x23, 0xc0 }, /* Crystal circuit power level */ |
| { 0x25, 0x9a }, /* Increase AEC black ratio */ |
| { 0x26, 0xb2 }, /* BLC enable */ |
| { 0x27, 0xa2 }, |
| { 0x28, 0x00 }, |
| { 0x29, 0x00 }, |
| { 0x2a, 0x84 }, /* 60 Hz power */ |
| { 0x2b, 0xa8 }, /* 60 Hz power */ |
| { 0x2c, 0xa0 }, |
| { 0x2d, 0x95 }, /* Enable auto-brightness */ |
| { 0x2e, 0x88 }, |
| { 0x33, 0x26 }, |
| { 0x34, 0x03 }, |
| { 0x36, 0x8f }, |
| { 0x37, 0x80 }, |
| { 0x38, 0x83 }, |
| { 0x39, 0x80 }, |
| { 0x3a, 0x0f }, |
| { 0x3b, 0x3c }, |
| { 0x3c, 0x1a }, |
| { 0x3d, 0x80 }, |
| { 0x3e, 0x80 }, |
| { 0x3f, 0x0e }, |
| { 0x40, 0x00 }, /* White bal */ |
| { 0x41, 0x00 }, /* White bal */ |
| { 0x42, 0x80 }, |
| { 0x43, 0x3f }, /* White bal */ |
| { 0x44, 0x80 }, |
| { 0x45, 0x20 }, |
| { 0x46, 0x20 }, |
| { 0x47, 0x80 }, |
| { 0x48, 0x7f }, |
| { 0x49, 0x00 }, |
| { 0x4a, 0x00 }, |
| { 0x4b, 0x80 }, |
| { 0x4c, 0xd0 }, |
| { 0x4d, 0x10 }, /* U = 0.563u, V = 0.714v */ |
| { 0x4e, 0x40 }, |
| { 0x4f, 0x07 }, /* UV avg., col. killer: max */ |
| { 0x50, 0xff }, |
| { 0x54, 0x23 }, /* Max AGC gain: 18dB */ |
| { 0x55, 0xff }, |
| { 0x56, 0x12 }, |
| { 0x57, 0x81 }, |
| { 0x58, 0x75 }, |
| { 0x59, 0x01 }, /* AGC dark current comp.: +1 */ |
| { 0x5a, 0x2c }, |
| { 0x5b, 0x0f }, /* AWB chrominance levels */ |
| { 0x5c, 0x10 }, |
| { 0x3d, 0x80 }, |
| { 0x27, 0xa6 }, |
| { 0x12, 0x20 }, /* Toggle AWB */ |
| { 0x12, 0x24 }, |
| }; |
| |
| PDEBUG(D_PROBE, "starting sensor configuration"); |
| |
| if (init_ov_sensor(sd) < 0) { |
| PDEBUG(D_ERR, "Failed to read sensor ID."); |
| return -1; |
| } |
| PDEBUG(D_PROBE, "OV6xx0 sensor detected"); |
| |
| /* Detect sensor (sub)type */ |
| rc = i2c_r(sd, OV7610_REG_COM_I); |
| if (rc < 0) { |
| PDEBUG(D_ERR, "Error detecting sensor type"); |
| return -1; |
| } |
| |
| /* Ugh. The first two bits are the version bits, but |
| * the entire register value must be used. I guess OVT |
| * underestimated how many variants they would make. */ |
| switch (rc) { |
| case 0x00: |
| sd->sensor = SEN_OV6630; |
| PDEBUG(D_ERR, |
| "WARNING: Sensor is an OV66308. Your camera may have"); |
| PDEBUG(D_ERR, "been misdetected in previous driver versions."); |
| break; |
| case 0x01: |
| sd->sensor = SEN_OV6620; |
| break; |
| case 0x02: |
| sd->sensor = SEN_OV6630; |
| PDEBUG(D_PROBE, "Sensor is an OV66308AE"); |
| break; |
| case 0x03: |
| sd->sensor = SEN_OV6630; |
| PDEBUG(D_PROBE, "Sensor is an OV66308AF"); |
| break; |
| case 0x90: |
| sd->sensor = SEN_OV6630; |
| PDEBUG(D_ERR, |
| "WARNING: Sensor is an OV66307. Your camera may have"); |
| PDEBUG(D_ERR, "been misdetected in previous driver versions."); |
| break; |
| default: |
| PDEBUG(D_ERR, "FATAL: Unknown sensor version: 0x%02x", rc); |
| return -1; |
| } |
| |
| /* Set sensor-specific vars */ |
| sd->sif = 1; |
| |
| if (sd->sensor == SEN_OV6620) { |
| PDEBUG(D_PROBE, "Writing 6x20 registers"); |
| if (write_i2c_regvals(sd, norm_6x20, ARRAY_SIZE(norm_6x20))) |
| return -1; |
| } else { |
| PDEBUG(D_PROBE, "Writing 6x30 registers"); |
| if (write_i2c_regvals(sd, norm_6x30, ARRAY_SIZE(norm_6x30))) |
| return -1; |
| } |
| return 0; |
| } |
| |
| /* Turns on or off the LED. Only has an effect with OV511+/OV518(+)/OV519 */ |
| static void ov51x_led_control(struct sd *sd, int on) |
| { |
| /* PDEBUG(D_STREAM, "LED (%s)", on ? "on" : "off"); */ |
| reg_w_mask(sd, OV519_GPIO_DATA_OUT0, !on, 1); /* 0 / 1 */ |
| } |
| |
| /* this function is called at probe time */ |
| static int sd_config(struct gspca_dev *gspca_dev, |
| const struct usb_device_id *id) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| struct cam *cam; |
| |
| static const struct ov_regvals init_519[] = { |
| { 0x5a, 0x6d }, /* EnableSystem */ |
| { 0x53, 0x9b }, |
| { 0x54, 0xff }, /* set bit2 to enable jpeg */ |
| { 0x5d, 0x03 }, |
| { 0x49, 0x01 }, |
| { 0x48, 0x00 }, |
| /* Set LED pin to output mode. Bit 4 must be cleared or sensor |
| * detection will fail. This deserves further investigation. */ |
| { OV519_GPIO_IO_CTRL0, 0xee }, |
| { 0x51, 0x0f }, /* SetUsbInit */ |
| { 0x51, 0x00 }, |
| { 0x22, 0x00 }, |
| /* windows reads 0x55 at this point*/ |
| }; |
| |
| if (write_regvals(sd, init_519, ARRAY_SIZE(init_519))) |
| goto error; |
| ov51x_led_control(sd, 0); /* turn LED off */ |
| |
| /* Test for 76xx */ |
| sd->primary_i2c_slave = OV7xx0_SID; |
| if (ov51x_set_slave_ids(sd, OV7xx0_SID) < 0) |
| goto error; |
| |
| /* The OV519 must be more aggressive about sensor detection since |
| * I2C write will never fail if the sensor is not present. We have |
| * to try to initialize the sensor to detect its presence */ |
| if (init_ov_sensor(sd) < 0) { |
| /* Test for 6xx0 */ |
| sd->primary_i2c_slave = OV6xx0_SID; |
| if (ov51x_set_slave_ids(sd, OV6xx0_SID) < 0) |
| goto error; |
| |
| if (init_ov_sensor(sd) < 0) { |
| /* Test for 8xx0 */ |
| sd->primary_i2c_slave = OV8xx0_SID; |
| if (ov51x_set_slave_ids(sd, OV8xx0_SID) < 0) |
| goto error; |
| |
| if (init_ov_sensor(sd) < 0) { |
| PDEBUG(D_ERR, |
| "Can't determine sensor slave IDs"); |
| goto error; |
| } else { |
| if (ov8xx0_configure(sd) < 0) { |
| PDEBUG(D_ERR, |
| "Failed to configure OV8xx0 sensor"); |
| goto error; |
| } |
| } |
| } else { |
| if (ov6xx0_configure(sd) < 0) { |
| PDEBUG(D_ERR, "Failed to configure OV6xx0"); |
| goto error; |
| } |
| } |
| } else { |
| if (ov7xx0_configure(sd) < 0) { |
| PDEBUG(D_ERR, "Failed to configure OV7xx0"); |
| goto error; |
| } |
| } |
| |
| cam = &gspca_dev->cam; |
| cam->epaddr = OV511_ENDPOINT_ADDRESS; |
| if (!sd->sif) { |
| cam->cam_mode = vga_mode; |
| cam->nmodes = ARRAY_SIZE(vga_mode); |
| } else { |
| cam->cam_mode = sif_mode; |
| cam->nmodes = ARRAY_SIZE(sif_mode); |
| } |
| sd->brightness = BRIGHTNESS_DEF; |
| sd->contrast = CONTRAST_DEF; |
| sd->colors = COLOR_DEF; |
| sd->hflip = HFLIP_DEF; |
| sd->vflip = VFLIP_DEF; |
| return 0; |
| error: |
| PDEBUG(D_ERR, "OV519 Config failed"); |
| return -EBUSY; |
| } |
| |
| /* this function is called at open time */ |
| static int sd_open(struct gspca_dev *gspca_dev) |
| { |
| return 0; |
| } |
| |
| /* Sets up the OV519 with the given image parameters |
| * |
| * OV519 needs a completely different approach, until we can figure out what |
| * the individual registers do. |
| * |
| * Do not put any sensor-specific code in here (including I2C I/O functions) |
| */ |
| static int ov519_mode_init_regs(struct sd *sd) |
| { |
| static const struct ov_regvals mode_init_519_ov7670[] = { |
| { 0x5d, 0x03 }, /* Turn off suspend mode */ |
| { 0x53, 0x9f }, /* was 9b in 1.65-1.08 */ |
| { 0x54, 0x0f }, /* bit2 (jpeg enable) */ |
| { 0xa2, 0x20 }, /* a2-a5 are undocumented */ |
| { 0xa3, 0x18 }, |
| { 0xa4, 0x04 }, |
| { 0xa5, 0x28 }, |
| { 0x37, 0x00 }, /* SetUsbInit */ |
| { 0x55, 0x02 }, /* 4.096 Mhz audio clock */ |
| /* Enable both fields, YUV Input, disable defect comp (why?) */ |
| { 0x20, 0x0c }, |
| { 0x21, 0x38 }, |
| { 0x22, 0x1d }, |
| { 0x17, 0x50 }, /* undocumented */ |
| { 0x37, 0x00 }, /* undocumented */ |
| { 0x40, 0xff }, /* I2C timeout counter */ |
| { 0x46, 0x00 }, /* I2C clock prescaler */ |
| { 0x59, 0x04 }, /* new from windrv 090403 */ |
| { 0xff, 0x00 }, /* undocumented */ |
| /* windows reads 0x55 at this point, why? */ |
| }; |
| |
| static const struct ov_regvals mode_init_519[] = { |
| { 0x5d, 0x03 }, /* Turn off suspend mode */ |
| { 0x53, 0x9f }, /* was 9b in 1.65-1.08 */ |
| { 0x54, 0x0f }, /* bit2 (jpeg enable) */ |
| { 0xa2, 0x20 }, /* a2-a5 are undocumented */ |
| { 0xa3, 0x18 }, |
| { 0xa4, 0x04 }, |
| { 0xa5, 0x28 }, |
| { 0x37, 0x00 }, /* SetUsbInit */ |
| { 0x55, 0x02 }, /* 4.096 Mhz audio clock */ |
| /* Enable both fields, YUV Input, disable defect comp (why?) */ |
| { 0x22, 0x1d }, |
| { 0x17, 0x50 }, /* undocumented */ |
| { 0x37, 0x00 }, /* undocumented */ |
| { 0x40, 0xff }, /* I2C timeout counter */ |
| { 0x46, 0x00 }, /* I2C clock prescaler */ |
| { 0x59, 0x04 }, /* new from windrv 090403 */ |
| { 0xff, 0x00 }, /* undocumented */ |
| /* windows reads 0x55 at this point, why? */ |
| }; |
| |
| /******** Set the mode ********/ |
| if (sd->sensor != SEN_OV7670) { |
| if (write_regvals(sd, mode_init_519, |
| ARRAY_SIZE(mode_init_519))) |
| return -EIO; |
| if (sd->sensor == SEN_OV7640) { |
| /* Select 8-bit input mode */ |
| reg_w_mask(sd, OV519_CAM_DFR, 0x10, 0x10); |
| } |
| } else { |
| if (write_regvals(sd, mode_init_519_ov7670, |
| ARRAY_SIZE(mode_init_519_ov7670))) |
| return -EIO; |
| } |
| |
| reg_w(sd, OV519_CAM_H_SIZE, sd->gspca_dev.width >> 4); |
| reg_w(sd, OV519_CAM_V_SIZE, sd->gspca_dev.height >> 3); |
| reg_w(sd, OV519_CAM_X_OFFSETL, 0x00); |
| reg_w(sd, OV519_CAM_X_OFFSETH, 0x00); |
| reg_w(sd, OV519_CAM_Y_OFFSETL, 0x00); |
| reg_w(sd, OV519_CAM_Y_OFFSETH, 0x00); |
| reg_w(sd, OV519_CAM_DIVIDER, 0x00); |
| reg_w(sd, OV519_CAM_FORMAT, 0x03); /* YUV422 */ |
| reg_w(sd, 0x26, 0x00); /* Undocumented */ |
| |
| /******** Set the framerate ********/ |
| if (frame_rate > 0) |
| sd->frame_rate = frame_rate; |
| |
| /* FIXME: These are only valid at the max resolution. */ |
| sd->clockdiv = 0; |
| switch (sd->sensor) { |
| case SEN_OV7640: |
| switch (sd->frame_rate) { |
| /*fixme: default was 30 fps */ |
| case 30: |
| reg_w(sd, 0xa4, 0x0c); |
| reg_w(sd, 0x23, 0xff); |
| break; |
| case 25: |
| reg_w(sd, 0xa4, 0x0c); |
| reg_w(sd, 0x23, 0x1f); |
| break; |
| case 20: |
| reg_w(sd, 0xa4, 0x0c); |
| reg_w(sd, 0x23, 0x1b); |
| break; |
| default: |
| /* case 15: */ |
| reg_w(sd, 0xa4, 0x04); |
| reg_w(sd, 0x23, 0xff); |
| sd->clockdiv = 1; |
| break; |
| case 10: |
| reg_w(sd, 0xa4, 0x04); |
| reg_w(sd, 0x23, 0x1f); |
| sd->clockdiv = 1; |
| break; |
| case 5: |
| reg_w(sd, 0xa4, 0x04); |
| reg_w(sd, 0x23, 0x1b); |
| sd->clockdiv = 1; |
| break; |
| } |
| break; |
| case SEN_OV8610: |
| switch (sd->frame_rate) { |
| default: /* 15 fps */ |
| /* case 15: */ |
| reg_w(sd, 0xa4, 0x06); |
| reg_w(sd, 0x23, 0xff); |
| break; |
| case 10: |
| reg_w(sd, 0xa4, 0x06); |
| reg_w(sd, 0x23, 0x1f); |
| break; |
| case 5: |
| reg_w(sd, 0xa4, 0x06); |
| reg_w(sd, 0x23, 0x1b); |
| break; |
| } |
| break; |
| case SEN_OV7670: /* guesses, based on 7640 */ |
| PDEBUG(D_STREAM, "Setting framerate to %d fps", |
| (sd->frame_rate == 0) ? 15 : sd->frame_rate); |
| reg_w(sd, 0xa4, 0x10); |
| switch (sd->frame_rate) { |
| case 30: |
| reg_w(sd, 0x23, 0xff); |
| break; |
| case 20: |
| reg_w(sd, 0x23, 0x1b); |
| break; |
| default: |
| /* case 15: */ |
| reg_w(sd, 0x23, 0xff); |
| sd->clockdiv = 1; |
| break; |
| } |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int mode_init_ov_sensor_regs(struct sd *sd) |
| { |
| struct gspca_dev *gspca_dev; |
| int qvga; |
| |
| gspca_dev = &sd->gspca_dev; |
| qvga = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv; |
| |
| /******** Mode (VGA/QVGA) and sensor specific regs ********/ |
| switch (sd->sensor) { |
| case SEN_OV8610: |
| /* For OV8610 qvga means qsvga */ |
| i2c_w_mask(sd, OV7610_REG_COM_C, qvga ? (1 << 5) : 0, 1 << 5); |
| break; |
| case SEN_OV7610: |
| i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20); |
| break; |
| case SEN_OV7620: |
| /* i2c_w(sd, 0x2b, 0x00); */ |
| i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20); |
| i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20); |
| i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a); |
| i2c_w(sd, 0x25, qvga ? 0x30 : 0x60); |
| i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40); |
| i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0); |
| i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20); |
| break; |
| case SEN_OV76BE: |
| /* i2c_w(sd, 0x2b, 0x00); */ |
| i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20); |
| break; |
| case SEN_OV7640: |
| /* i2c_w(sd, 0x2b, 0x00); */ |
| i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20); |
| i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20); |
| /* i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a); */ |
| /* i2c_w(sd, 0x25, qvga ? 0x30 : 0x60); */ |
| /* i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40); */ |
| /* i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0); */ |
| /* i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20); */ |
| break; |
| case SEN_OV7670: |
| /* set COM7_FMT_VGA or COM7_FMT_QVGA |
| * do we need to set anything else? |
| * HSTART etc are set in set_ov_sensor_window itself */ |
| i2c_w_mask(sd, OV7670_REG_COM7, |
| qvga ? OV7670_COM7_FMT_QVGA : OV7670_COM7_FMT_VGA, |
| OV7670_COM7_FMT_MASK); |
| break; |
| case SEN_OV6620: |
| case SEN_OV6630: |
| i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| /******** Palette-specific regs ********/ |
| if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) { |
| /* not valid on the OV6620/OV7620/6630? */ |
| i2c_w_mask(sd, 0x0e, 0x00, 0x40); |
| } |
| |
| /* The OV518 needs special treatment. Although both the OV518 |
| * and the OV6630 support a 16-bit video bus, only the 8 bit Y |
| * bus is actually used. The UV bus is tied to ground. |
| * Therefore, the OV6630 needs to be in 8-bit multiplexed |
| * output mode */ |
| |
| /* OV7640 is 8-bit only */ |
| |
| if (sd->sensor != SEN_OV6630 && sd->sensor != SEN_OV7640) |
| i2c_w_mask(sd, 0x13, 0x00, 0x20); |
| |
| /******** Clock programming ********/ |
| /* The OV6620 needs special handling. This prevents the |
| * severe banding that normally occurs */ |
| if (sd->sensor == SEN_OV6620) { |
| |
| /* Clock down */ |
| i2c_w(sd, 0x2a, 0x04); |
| i2c_w(sd, 0x11, sd->clockdiv); |
| i2c_w(sd, 0x2a, 0x84); |
| /* This next setting is critical. It seems to improve |
| * the gain or the contrast. The "reserved" bits seem |
| * to have some effect in this case. */ |
| i2c_w(sd, 0x2d, 0x85); |
| } else if (sd->clockdiv >= 0) { |
| i2c_w(sd, 0x11, sd->clockdiv); |
| } |
| |
| /******** Special Features ********/ |
| /* no evidence this is possible with OV7670, either */ |
| /* Test Pattern */ |
| if (sd->sensor != SEN_OV7640 && sd->sensor != SEN_OV7670) |
| i2c_w_mask(sd, 0x12, 0x00, 0x02); |
| |
| /* Enable auto white balance */ |
| if (sd->sensor == SEN_OV7670) |
| i2c_w_mask(sd, OV7670_REG_COM8, OV7670_COM8_AWB, |
| OV7670_COM8_AWB); |
| else |
| i2c_w_mask(sd, 0x12, 0x04, 0x04); |
| |
| /* This will go away as soon as ov51x_mode_init_sensor_regs() */ |
| /* is fully tested. */ |
| /* 7620/6620/6630? don't have register 0x35, so play it safe */ |
| if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) { |
| if (!qvga) |
| i2c_w(sd, 0x35, 0x9e); |
| else |
| i2c_w(sd, 0x35, 0x1e); |
| } |
| return 0; |
| } |
| |
| static void sethvflip(struct sd *sd) |
| { |
| if (sd->sensor != SEN_OV7670) |
| return; |
| if (sd->gspca_dev.streaming) |
| ov51x_stop(sd); |
| i2c_w_mask(sd, OV7670_REG_MVFP, |
| OV7670_MVFP_MIRROR * sd->hflip |
| | OV7670_MVFP_VFLIP * sd->vflip, |
| OV7670_MVFP_MIRROR | OV7670_MVFP_VFLIP); |
| if (sd->gspca_dev.streaming) |
| ov51x_restart(sd); |
| } |
| |
| static int set_ov_sensor_window(struct sd *sd) |
| { |
| struct gspca_dev *gspca_dev; |
| int qvga; |
| int hwsbase, hwebase, vwsbase, vwebase, hwscale, vwscale; |
| int ret, hstart, hstop, vstop, vstart; |
| __u8 v; |
| |
| gspca_dev = &sd->gspca_dev; |
| qvga = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv; |
| |
| /* The different sensor ICs handle setting up of window differently. |
| * IF YOU SET IT WRONG, YOU WILL GET ALL ZERO ISOC DATA FROM OV51x!! */ |
| switch (sd->sensor) { |
| case SEN_OV8610: |
| hwsbase = 0x1e; |
| hwebase = 0x1e; |
| vwsbase = 0x02; |
| vwebase = 0x02; |
| break; |
| case SEN_OV7610: |
| case SEN_OV76BE: |
| hwsbase = 0x38; |
| hwebase = 0x3a; |
| vwsbase = vwebase = 0x05; |
| break; |
| case SEN_OV6620: |
| case SEN_OV6630: |
| hwsbase = 0x38; |
| hwebase = 0x3a; |
| vwsbase = 0x05; |
| vwebase = 0x06; |
| break; |
| case SEN_OV7620: |
| hwsbase = 0x2f; /* From 7620.SET (spec is wrong) */ |
| hwebase = 0x2f; |
| vwsbase = vwebase = 0x05; |
| break; |
| case SEN_OV7640: |
| hwsbase = 0x1a; |
| hwebase = 0x1a; |
| vwsbase = vwebase = 0x03; |
| break; |
| case SEN_OV7670: |
| /*handling of OV7670 hardware sensor start and stop values |
| * is very odd, compared to the other OV sensors */ |
| vwsbase = vwebase = hwebase = hwsbase = 0x00; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| switch (sd->sensor) { |
| case SEN_OV6620: |
| case SEN_OV6630: |
| if (qvga) { /* QCIF */ |
| hwscale = 0; |
| vwscale = 0; |
| } else { /* CIF */ |
| hwscale = 1; |
| vwscale = 1; /* The datasheet says 0; |
| * it's wrong */ |
| } |
| break; |
| case SEN_OV8610: |
| if (qvga) { /* QSVGA */ |
| hwscale = 1; |
| vwscale = 1; |
| } else { /* SVGA */ |
| hwscale = 2; |
| vwscale = 2; |
| } |
| break; |
| default: /* SEN_OV7xx0 */ |
| if (qvga) { /* QVGA */ |
| hwscale = 1; |
| vwscale = 0; |
| } else { /* VGA */ |
| hwscale = 2; |
| vwscale = 1; |
| } |
| } |
| |
| ret = mode_init_ov_sensor_regs(sd); |
| if (ret < 0) |
| return ret; |
| |
| if (sd->sensor == SEN_OV8610) { |
| i2c_w_mask(sd, 0x2d, 0x05, 0x40); |
| /* old 0x95, new 0x05 from windrv 090403 */ |
| /* bits 5-7: reserved */ |
| i2c_w_mask(sd, 0x28, 0x20, 0x20); |
| /* bit 5: progressive mode on */ |
| } |
| |
| /* The below is wrong for OV7670s because their window registers |
| * only store the high bits in 0x17 to 0x1a */ |
| |
| /* SRH Use sd->max values instead of requested win values */ |
| /* SCS Since we're sticking with only the max hardware widths |
| * for a given mode */ |
| /* I can hard code this for OV7670s */ |
| /* Yes, these numbers do look odd, but they're tested and work! */ |
| if (sd->sensor == SEN_OV7670) { |
| if (qvga) { /* QVGA from ov7670.c by |
| * Jonathan Corbet */ |
| hstart = 164; |
| hstop = 20; |
| vstart = 14; |
| vstop = 494; |
| } else { /* VGA */ |
| hstart = 158; |
| hstop = 14; |
| vstart = 10; |
| vstop = 490; |
| } |
| /* OV7670 hardware window registers are split across |
| * multiple locations */ |
| i2c_w(sd, OV7670_REG_HSTART, hstart >> 3); |
| i2c_w(sd, OV7670_REG_HSTOP, hstop >> 3); |
| v = i2c_r(sd, OV7670_REG_HREF); |
| v = (v & 0xc0) | ((hstop & 0x7) << 3) | (hstart & 0x07); |
| msleep(10); /* need to sleep between read and write to |
| * same reg! */ |
| i2c_w(sd, OV7670_REG_HREF, v); |
| |
| i2c_w(sd, OV7670_REG_VSTART, vstart >> 2); |
| i2c_w(sd, OV7670_REG_VSTOP, vstop >> 2); |
| v = i2c_r(sd, OV7670_REG_VREF); |
| v = (v & 0xc0) | ((vstop & 0x3) << 2) | (vstart & 0x03); |
| msleep(10); /* need to sleep between read and write to |
| * same reg! */ |
| i2c_w(sd, OV7670_REG_VREF, v); |
| sethvflip(sd); |
| } else { |
| i2c_w(sd, 0x17, hwsbase); |
| i2c_w(sd, 0x18, hwebase + (sd->gspca_dev.width >> hwscale)); |
| i2c_w(sd, 0x19, vwsbase); |
| i2c_w(sd, 0x1a, vwebase + (sd->gspca_dev.height >> vwscale)); |
| } |
| return 0; |
| } |
| |
| /* -- start the camera -- */ |
| static void sd_start(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int ret; |
| |
| ret = ov519_mode_init_regs(sd); |
| if (ret < 0) |
| goto out; |
| ret = set_ov_sensor_window(sd); |
| if (ret < 0) |
| goto out; |
| |
| ret = ov51x_restart(sd); |
| if (ret < 0) |
| goto out; |
| PDEBUG(D_STREAM, "camera started alt: 0x%02x", gspca_dev->alt); |
| ov51x_led_control(sd, 1); |
| return; |
| out: |
| PDEBUG(D_ERR, "camera start error:%d", ret); |
| } |
| |
| static void sd_stopN(struct gspca_dev *gspca_dev) |
| { |
| ov51x_stop((struct sd *) gspca_dev); |
| ov51x_led_control((struct sd *) gspca_dev, 0); |
| } |
| |
| static void sd_stop0(struct gspca_dev *gspca_dev) |
| { |
| } |
| |
| static void sd_close(struct gspca_dev *gspca_dev) |
| { |
| } |
| |
| static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
| struct gspca_frame *frame, /* target */ |
| __u8 *data, /* isoc packet */ |
| int len) /* iso packet length */ |
| { |
| /* Header of ov519 is 16 bytes: |
| * Byte Value Description |
| * 0 0xff magic |
| * 1 0xff magic |
| * 2 0xff magic |
| * 3 0xXX 0x50 = SOF, 0x51 = EOF |
| * 9 0xXX 0x01 initial frame without data, |
| * 0x00 standard frame with image |
| * 14 Lo in EOF: length of image data / 8 |
| * 15 Hi |
| */ |
| |
| if (data[0] == 0xff && data[1] == 0xff && data[2] == 0xff) { |
| switch (data[3]) { |
| case 0x50: /* start of frame */ |
| #define HDRSZ 16 |
| data += HDRSZ; |
| len -= HDRSZ; |
| #undef HDRSZ |
| if (data[0] == 0xff || data[1] == 0xd8) |
| gspca_frame_add(gspca_dev, FIRST_PACKET, frame, |
| data, len); |
| else |
| gspca_dev->last_packet_type = DISCARD_PACKET; |
| return; |
| case 0x51: /* end of frame */ |
| if (data[9] != 0) |
| gspca_dev->last_packet_type = DISCARD_PACKET; |
| gspca_frame_add(gspca_dev, LAST_PACKET, frame, |
| data, 0); |
| return; |
| } |
| } |
| |
| /* intermediate packet */ |
| gspca_frame_add(gspca_dev, INTER_PACKET, frame, |
| data, len); |
| } |
| |
| /* -- management routines -- */ |
| |
| static void setbrightness(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int val; |
| |
| val = sd->brightness; |
| PDEBUG(D_CONF, "brightness:%d", val); |
| /* if (gspca_dev->streaming) |
| * ov51x_stop(sd); */ |
| switch (sd->sensor) { |
| case SEN_OV8610: |
| case SEN_OV7610: |
| case SEN_OV76BE: |
| case SEN_OV6620: |
| case SEN_OV6630: |
| case SEN_OV7640: |
| i2c_w(sd, OV7610_REG_BRT, val); |
| break; |
| case SEN_OV7620: |
| /* 7620 doesn't like manual changes when in auto mode */ |
| /*fixme |
| * if (!sd->auto_brt) */ |
| i2c_w(sd, OV7610_REG_BRT, val); |
| break; |
| case SEN_OV7670: |
| /*win trace |
| * i2c_w_mask(sd, OV7670_REG_COM8, 0, OV7670_COM8_AEC); */ |
| i2c_w(sd, OV7670_REG_BRIGHT, ov7670_abs_to_sm(val)); |
| break; |
| } |
| /* if (gspca_dev->streaming) |
| * ov51x_restart(sd); */ |
| } |
| |
| static void setcontrast(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int val; |
| |
| val = sd->contrast; |
| PDEBUG(D_CONF, "contrast:%d", val); |
| /* if (gspca_dev->streaming) |
| ov51x_stop(sd); */ |
| switch (sd->sensor) { |
| case SEN_OV7610: |
| case SEN_OV6620: |
| i2c_w(sd, OV7610_REG_CNT, val); |
| break; |
| case SEN_OV6630: |
| i2c_w_mask(sd, OV7610_REG_CNT, val >> 4, 0x0f); |
| case SEN_OV8610: { |
| static const __u8 ctab[] = { |
| 0x03, 0x09, 0x0b, 0x0f, 0x53, 0x6f, 0x35, 0x7f |
| }; |
| |
| /* Use Y gamma control instead. Bit 0 enables it. */ |
| i2c_w(sd, 0x64, ctab[val >> 5]); |
| break; |
| } |
| case SEN_OV7620: { |
| static const __u8 ctab[] = { |
| 0x01, 0x05, 0x09, 0x11, 0x15, 0x35, 0x37, 0x57, |
| 0x5b, 0xa5, 0xa7, 0xc7, 0xc9, 0xcf, 0xef, 0xff |
| }; |
| |
| /* Use Y gamma control instead. Bit 0 enables it. */ |
| i2c_w(sd, 0x64, ctab[val >> 4]); |
| break; |
| } |
| case SEN_OV7640: |
| /* Use gain control instead. */ |
| i2c_w(sd, OV7610_REG_GAIN, val >> 2); |
| break; |
| case SEN_OV7670: |
| /* check that this isn't just the same as ov7610 */ |
| i2c_w(sd, OV7670_REG_CONTRAS, val >> 1); |
| break; |
| } |
| /* if (gspca_dev->streaming) |
| ov51x_restart(sd); */ |
| } |
| |
| static void setcolors(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| int val; |
| |
| val = sd->colors; |
| PDEBUG(D_CONF, "saturation:%d", val); |
| /* if (gspca_dev->streaming) |
| ov51x_stop(sd); */ |
| switch (sd->sensor) { |
| case SEN_OV8610: |
| case SEN_OV7610: |
| case SEN_OV76BE: |
| case SEN_OV6620: |
| case SEN_OV6630: |
| i2c_w(sd, OV7610_REG_SAT, val); |
| break; |
| case SEN_OV7620: |
| /* Use UV gamma control instead. Bits 0 & 7 are reserved. */ |
| /* rc = ov_i2c_write(sd->dev, 0x62, (val >> 9) & 0x7e); |
| if (rc < 0) |
| goto out; */ |
| i2c_w(sd, OV7610_REG_SAT, val); |
| break; |
| case SEN_OV7640: |
| i2c_w(sd, OV7610_REG_SAT, val & 0xf0); |
| break; |
| case SEN_OV7670: |
| /* supported later once I work out how to do it |
| * transparently fail now! */ |
| /* set REG_COM13 values for UV sat auto mode */ |
| break; |
| } |
| /* if (gspca_dev->streaming) |
| ov51x_restart(sd); */ |
| } |
| |
| static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->brightness = val; |
| setbrightness(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->brightness; |
| return 0; |
| } |
| |
| static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->contrast = val; |
| setcontrast(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->contrast; |
| return 0; |
| } |
| |
| static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->colors = val; |
| setcolors(gspca_dev); |
| return 0; |
| } |
| |
| static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->colors; |
| return 0; |
| } |
| |
| static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->hflip = val; |
| sethvflip(sd); |
| return 0; |
| } |
| |
| static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->hflip; |
| return 0; |
| } |
| |
| static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| sd->vflip = val; |
| sethvflip(sd); |
| return 0; |
| } |
| |
| static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| *val = sd->vflip; |
| return 0; |
| } |
| |
| /* sub-driver description */ |
| static const struct sd_desc sd_desc = { |
| .name = MODULE_NAME, |
| .ctrls = sd_ctrls, |
| .nctrls = ARRAY_SIZE(sd_ctrls), |
| .config = sd_config, |
| .open = sd_open, |
| .start = sd_start, |
| .stopN = sd_stopN, |
| .stop0 = sd_stop0, |
| .close = sd_close, |
| .pkt_scan = sd_pkt_scan, |
| }; |
| |
| /* -- module initialisation -- */ |
| static const __devinitdata struct usb_device_id device_table[] = { |
| {USB_DEVICE(0x041e, 0x4052)}, |
| {USB_DEVICE(0x041e, 0x405f)}, |
| {USB_DEVICE(0x041e, 0x4060)}, |
| {USB_DEVICE(0x041e, 0x4061)}, |
| {USB_DEVICE(0x041e, 0x4064)}, |
| {USB_DEVICE(0x041e, 0x4068)}, |
| {USB_DEVICE(0x045e, 0x028c)}, |
| {USB_DEVICE(0x054c, 0x0154)}, |
| {USB_DEVICE(0x054c, 0x0155)}, |
| {USB_DEVICE(0x05a9, 0x0519)}, |
| {USB_DEVICE(0x05a9, 0x0530)}, |
| {USB_DEVICE(0x05a9, 0x4519)}, |
| {USB_DEVICE(0x05a9, 0x8519)}, |
| {} |
| }; |
| #undef DVNAME |
| MODULE_DEVICE_TABLE(usb, device_table); |
| |
| /* -- device connect -- */ |
| static int sd_probe(struct usb_interface *intf, |
| const struct usb_device_id *id) |
| { |
| return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), |
| THIS_MODULE); |
| } |
| |
| static struct usb_driver sd_driver = { |
| .name = MODULE_NAME, |
| .id_table = device_table, |
| .probe = sd_probe, |
| .disconnect = gspca_disconnect, |
| #ifdef CONFIG_PM |
| .suspend = gspca_suspend, |
| .resume = gspca_resume, |
| #endif |
| }; |
| |
| /* -- module insert / remove -- */ |
| static int __init sd_mod_init(void) |
| { |
| if (usb_register(&sd_driver) < 0) |
| return -1; |
| PDEBUG(D_PROBE, "registered"); |
| return 0; |
| } |
| static void __exit sd_mod_exit(void) |
| { |
| usb_deregister(&sd_driver); |
| PDEBUG(D_PROBE, "deregistered"); |
| } |
| |
| module_init(sd_mod_init); |
| module_exit(sd_mod_exit); |
| |
| module_param(frame_rate, int, 0644); |
| MODULE_PARM_DESC(frame_rate, "Frame rate (5, 10, 15, 20 or 30 fps)"); |