diff options
Diffstat (limited to 'drivers/media/video/gspca/ov519.c')
| -rw-r--r-- | drivers/media/video/gspca/ov519.c | 2186 |
1 files changed, 2186 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c new file mode 100644 index 00000000000..08d99c3b78e --- /dev/null +++ b/drivers/media/video/gspca/ov519.c @@ -0,0 +1,2186 @@ +/** + * 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" + +#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 7) +static const char version[] = "2.1.7"; + +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 */ + short maxwidth; + short maxheight; + + unsigned char primary_i2c_slave; /* I2C write id of sensor */ + + unsigned char brightness; + unsigned char contrast; + unsigned char colors; + + 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 struct ctrl sd_ctrls[] = { +#define SD_BRIGHTNESS 0 + { + { + .id = V4L2_CID_BRIGHTNESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Brightness", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 127, + }, + .set = sd_setbrightness, + .get = sd_getbrightness, + }, +#define SD_CONTRAST 1 + { + { + .id = V4L2_CID_CONTRAST, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Contrast", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 127, + }, + .set = sd_setcontrast, + .get = sd_getcontrast, + }, +#define SD_COLOR 2 + { + { + .id = V4L2_CID_SATURATION, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Saturation", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 127, + }, + .set = sd_setcolors, + .get = sd_getcolors, + }, +}; + +static struct v4l2_pix_format vga_mode[] = { + {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .bytesperline = 320, + .sizeimage = 320 * 240 * 3 / 8 + 589, + .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 + 589, + .colorspace = V4L2_COLORSPACE_JPEG, + .priv = 1}, + {352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .bytesperline = 352, + .sizeimage = 352 * 288 * 3 / 8 + 589, + .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_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 */ + +struct ovsensor_window { + short x; + short y; + short width; + short height; +/* int format; */ + short quarter; /* Scale width and height down 2x */ + short clockdiv; /* Clock divisor setting */ +}; + +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; +} + +/* Switch on standard JPEG compression. Returns 0 for success. */ +static int ov519_init_compression(struct sd *sd) +{ + if (!sd->compress_inited) { + if (reg_w_mask(sd, OV519_SYS_EN_CLK1, 1 << 2, 1 << 2) < 0) { + PDEBUG(D_ERR, "Error switching to compressed mode"); + return -EIO; + } + sd->compress_inited = 1; + } + 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) { + PDEBUG(D_PROBE, "Sensor is an OV8610"); + 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, + sizeof norm_8610 / sizeof norm_8610[0])) + return -1; + + /* Set sensor-specific vars */ + sd->maxwidth = 640; + sd->maxheight = 480; + 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, 0x1 }, + /* + * 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 }, +/* jfm */ +/* { OV7670_REG_COM10, 0x0 }, */ + + /* Gamma curve values */ + { 0x7a, 0x20 }, +/* jfm:win 7b=1c */ + { 0x7b, 0x10 }, +/* jfm:win 7c=28 */ + { 0x7c, 0x1e }, +/* jfm:win 7d=3c */ + { 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 */ +/* jfm:win 14=38 */ + { 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 }, +/* jfm:win a1=0b */ + { 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 }, +/* jfm */ +/* { OV7670_REG_MVFP, 0x07|OV7670_MVFP_MIRROR }, */ + { 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, 0xc3 }, { 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 }, + + /* Format YUV422 */ + { OV7670_REG_COM7, OV7670_COM7_YUV }, /* Selects YUV mode */ + { OV7670_REG_RGB444, 0 }, /* No RGB444 please */ + { OV7670_REG_COM1, 0 }, + { OV7670_REG_COM15, OV7670_COM15_R00FF }, + { OV7670_REG_COM9, 0x18 }, + /* 4x gain ceiling; 0x8 is reserved bit */ + { 0x4f, 0x80 }, /* "matrix coefficient 1" */ + { 0x50, 0x80 }, /* "matrix coefficient 2" */ + { 0x52, 0x22 }, /* "matrix coefficient 4" */ + { 0x53, 0x5e }, /* "matrix coefficient 5" */ + { 0x54, 0x80 }, /* "matrix coefficient 6" */ + { OV7670_REG_COM13, OV7670_COM13_GAMMA|OV7670_COM13_UVSAT }, +}; + + PDEBUG(D_PROBE, "starting OV7xx0 configuration"); + +/* jfm:already done? */ + if (init_ov_sensor(sd) < 0) + PDEBUG(D_ERR, "Failed to read sensor ID"); + else + PDEBUG(D_PROBE, "OV7xx0 initialized"); + + /* 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) { + if (low == 0x30) { + PDEBUG(D_PROBE, "Sensor is an OV7630/OV7635"); + sd->sensor = SEN_OV7630; + } else if (low == 0x40) { + PDEBUG(D_PROBE, "Sensor is an OV7645"); + sd->sensor = SEN_OV7640; /* FIXME */ + } else if (low == 0x45) { + PDEBUG(D_PROBE, "Sensor is an OV7645B"); + sd->sensor = SEN_OV7640; /* FIXME */ + } else if (low == 0x48) { + PDEBUG(D_PROBE, "Sensor is an OV7648"); + sd->sensor = SEN_OV7640; /* FIXME */ + } else { + 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; + } + + if (sd->sensor == SEN_OV7620) { + PDEBUG(D_PROBE, "Writing 7620 registers"); + if (write_i2c_regvals(sd, norm_7620, + sizeof norm_7620 / sizeof norm_7620[0])) + return -1; + } else if (sd->sensor == SEN_OV7630) { + PDEBUG(D_ERR, "7630 is not supported by this driver version"); + return -1; + } else if (sd->sensor == SEN_OV7640) { + PDEBUG(D_PROBE, "Writing 7640 registers"); + if (write_i2c_regvals(sd, norm_7640, + sizeof norm_7640 / sizeof norm_7640[0])) + return -1; + } else if (sd->sensor == SEN_OV7670) { + PDEBUG(D_PROBE, "Writing 7670 registers"); + if (write_i2c_regvals(sd, norm_7670, + sizeof norm_7670 / sizeof norm_7670[0])) + return -1; + } else { + PDEBUG(D_PROBE, "Writing 7610 registers"); + if (write_i2c_regvals(sd, norm_7610, + sizeof norm_7610 / sizeof norm_7610[0])) + return -1; + } + + /* Set sensor-specific vars */ + sd->maxwidth = 640; + sd->maxheight = 480; + 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. */ + if (rc == 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."); + } else if (rc == 0x01) { + sd->sensor = SEN_OV6620; + PDEBUG(D_PROBE, "Sensor is an OV6620"); + } else if (rc == 0x02) { + sd->sensor = SEN_OV6630; + PDEBUG(D_PROBE, "Sensor is an OV66308AE"); + } else if (rc == 0x03) { + sd->sensor = SEN_OV6630; + PDEBUG(D_PROBE, "Sensor is an OV66308AF"); + } else if (rc == 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."); + } else { + PDEBUG(D_ERR, "FATAL: Unknown sensor version: 0x%02x", rc); + return -1; + } + + /* Set sensor-specific vars */ + sd->maxwidth = 352; + sd->maxheight = 288; + + if (sd->sensor == SEN_OV6620) { + PDEBUG(D_PROBE, "Writing 6x20 registers"); + if (write_i2c_regvals(sd, norm_6x20, + sizeof norm_6x20 / sizeof norm_6x20[0])) + return -1; + } else { + PDEBUG(D_PROBE, "Writing 6x30 registers"); + if (write_i2c_regvals(sd, norm_6x30, + sizeof norm_6x30 / sizeof norm_6x30[0])) + 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"); + +/* if (sd->bridge == BRG_OV511PLUS) */ +/* reg_w(sd, R511_SYS_LED_CTL, on ? 1 : 0); */ +/* else if (sd->bridge == BRG_OV519) */ + reg_w_mask(sd, OV519_GPIO_DATA_OUT0, !on, 1); /* 0 / 1 */ +/* else if (sd->bclass == BCL_OV518) */ +/* reg_w_mask(sd, R518_GPIO_OUT, on ? 0x02 : 0x00, 0x02); */ +} + +/* 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; + +/* (from ov519_configure) */ + static const struct ov_regvals init_519[] = { + { 0x5a, 0x6d }, /* EnableSystem */ +/* jfm trace usbsnoop3-1.txt */ +/* jfm 53 = fb */ + { 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; +/* jfm: not seen in windows trace */ + if (ov519_init_compression(sd)) + 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->maxwidth == 640) { + cam->cam_mode = vga_mode; + cam->nmodes = sizeof vga_mode / sizeof vga_mode[0]; + } else { + cam->cam_mode = sif_mode; + cam->nmodes = sizeof sif_mode / sizeof sif_mode[0]; + } + cam->dev_name = (char *) id->driver_info; + sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value; + sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value; + sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value; + 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, + int width, int height) +{ + 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? */ + }; + +/* int hi_res; */ + + PDEBUG(D_CONF, "mode init %dx%d", width, height); + +/* if (width >= 800 && height >= 600) + hi_res = 1; + else + hi_res = 0; */ + +/* if (ov51x_stop(sd) < 0) + return -EIO; */ + + /******** Set the mode ********/ + if (sd->sensor != SEN_OV7670) { + if (write_regvals(sd, mode_init_519, + ARRAY_SIZE(mode_init_519))) + return -EIO; + } else { + if (write_regvals(sd, mode_init_519_ov7670, + ARRAY_SIZE(mode_init_519_ov7670))) + return -EIO; + } + + if (sd->sensor == SEN_OV7640) { + /* Select 8-bit input mode */ + reg_w_mask(sd, OV519_CAM_DFR, 0x10, 0x10); + } + + reg_w(sd, OV519_CAM_H_SIZE, width >> 4); + reg_w(sd, OV519_CAM_V_SIZE, 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; + if (sd->sensor == SEN_OV7640) { + switch (sd->frame_rate) { +/*jfm: 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; + } + } else if (sd->sensor == 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; + } + sd->clockdiv = 0; + } else if (sd->sensor == SEN_OV7670) { /* guesses, based on 7640 */ + PDEBUG(D_STREAM, "Setting framerate to %d fps", + (sd->frame_rate == 0) ? 15 : sd->frame_rate); + switch (sd->frame_rate) { + case 30: + reg_w(sd, 0xa4, 0x10); + reg_w(sd, 0x23, 0xff); + break; + case 20: + reg_w(sd, 0xa4, 0x10); + reg_w(sd, 0x23, 0x1b); + break; + default: /* 15 fps */ +/* case 15: */ + reg_w(sd, 0xa4, 0x10); + reg_w(sd, 0x23, 0xff); + sd->clockdiv = 1; + break; + } + } + +/* if (ov51x_restart(sd) < 0) + return -EIO; */ + + /* Reset it just for good measure */ +/* if (ov51x_reset(sd, OV511_RESET_NOREGS) < 0) + return -EIO; */ + return 0; +} + +static int mode_init_ov_sensor_regs(struct sd *sd, + struct ovsensor_window *win) +{ + int qvga = win->quarter; + + /******** 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: + i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20); + break; + case SEN_OV6630: + i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20); + break; + default: + return -EINVAL; + } + + /******** Palette-specific regs ********/ +/* Need to do work here for the OV7670 */ + + 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, win->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 (win->clockdiv >= 0) { + i2c_w(sd, 0x11, win->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 (win->width == 640 /*&& win->height == 480*/) + i2c_w(sd, 0x35, 0x9e); + else + i2c_w(sd, 0x35, 0x1e); + } + return 0; +} + +static int set_ov_sensor_window(struct sd *sd, + struct ovsensor_window *win) +{ + int hwsbase, hwebase, vwsbase, vwebase, hwscale, vwscale; + int ret, hstart, hstop, vstop, vstart; + __u8 v; + + /* 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 (win->quarter) { /* QCIF */ + hwscale = 0; + vwscale = 0; + } else { /* CIF */ + hwscale = 1; + vwscale = 1; /* The datasheet says 0; + * it's wrong */ + } + break; + case SEN_OV8610: + if (win->quarter) { /* QSVGA */ + hwscale = 1; + vwscale = 1; + } else { /* SVGA */ + hwscale = 2; + vwscale = 2; + } + break; + default: /* SEN_OV7xx0 */ + if (win->quarter) { /* QVGA */ + hwscale = 1; + vwscale = 0; + } else { /* VGA */ + hwscale = 2; + vwscale = 1; + } + } + + ret = mode_init_ov_sensor_regs(sd, win); + 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 (win->quarter) { /* 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) & 0xff); + i2c_w(sd, OV7670_REG_HSTOP, (hstop >> 3) & 0xff); + 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) & 0xff); + i2c_w(sd, OV7670_REG_VSTOP, (vstop >> 2) & 0xff); + 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); + + } else { + i2c_w(sd, 0x17, hwsbase + (win->x >> hwscale)); + i2c_w(sd, 0x18, hwebase + ((win->x + win->width) >> hwscale)); + i2c_w(sd, 0x19, vwsbase + (win->y >> vwscale)); + i2c_w(sd, 0x1a, vwebase + ((win->y + win->height) >> vwscale)); + } + return 0; +} + +static int ov_sensor_mode_setup(struct sd *sd, + int width, int height) +{ + struct ovsensor_window win; + +/* win.format = mode; */ + + /* Unless subcapture is enabled, + * center the image window and downsample + * if possible to increase the field of view */ + /* NOTE: OV518(+) and OV519 does downsampling on its own */ + win.width = width; + win.height = height; + if (width == sd->maxwidth) + win.quarter = 0; + else + win.quarter = 1; + + /* Center it */ + win.x = (win.width - width) / 2; + win.y = (win.height - height) / 2; + + /* Clock is determined by OV519 frame rate code */ + win.clockdiv = sd->clockdiv; + + PDEBUG(D_CONF, "Setting clock divider to %d", win.clockdiv); + return set_ov_sensor_window(sd, &win); +} + +/* -- 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, gspca_dev->width, gspca_dev->height); + if (ret < 0) + goto out; + ret = ov_sensor_mode_setup(sd, gspca_dev->width, gspca_dev->height); + if (ret < 0) + goto out; + + ret = ov51x_restart((struct sd *) gspca_dev); + 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; +/* int was_streaming; */ + + val = sd->brightness; + PDEBUG(D_CONF, "brightness:%d", val); +/* was_streaming = gspca_dev->streaming; + * if (was_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: +/*jfm - from windblows + * i2c_w_mask(sd, OV7670_REG_COM8, 0, OV7670_COM8_AEC); */ + i2c_w(sd, OV7670_REG_BRIGHT, ov7670_abs_to_sm(val)); + break; + } +/* if (was_streaming) + * ov51x_restart(sd); */ +} + +static void setcontrast(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int val; +/* int was_streaming; */ + + val = sd->contrast; + PDEBUG(D_CONF, "contrast:%d", val); +/* was_streaming = gspca_dev->streaming; + if (was_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 (was_streaming) + ov51x_restart(sd); */ +} + +static void setcolors(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int val; +/* int was_streaming; */ + + val = sd->colors; + PDEBUG(D_CONF, "saturation:%d", val); +/* was_streaming = gspca_dev->streaming; + if (was_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 (was_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; +} + +/* 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 -- */ +#define DVNM(name) .driver_info = (kernel_ulong_t) name +static const __devinitdata struct usb_device_id device_table[] = { + {USB_DEVICE(0x041e, 0x4052), DVNM("Creative Live! VISTA IM")}, + {USB_DEVICE(0x041e, 0x405f), DVNM("Creative Live! VISTA VF0330")}, + {USB_DEVICE(0x041e, 0x4060), DVNM("Creative Live! VISTA VF0350")}, + {USB_DEVICE(0x041e, 0x4061), DVNM("Creative Live! VISTA VF0400")}, + {USB_DEVICE(0x041e, 0x4064), DVNM("Creative Live! VISTA VF0420")}, + {USB_DEVICE(0x041e, 0x4068), DVNM("Creative Live! VISTA VF0470")}, + {USB_DEVICE(0x045e, 0x028c), DVNM("Microsoft xbox cam")}, + {USB_DEVICE(0x054c, 0x0154), DVNM("Sonny toy4")}, + {USB_DEVICE(0x054c, 0x0155), DVNM("Sonny toy5")}, + {USB_DEVICE(0x05a9, 0x0519), DVNM("OmniVision")}, + {USB_DEVICE(0x05a9, 0x0530), DVNM("OmniVision")}, + {USB_DEVICE(0x05a9, 0x4519), DVNM("OmniVision")}, + {USB_DEVICE(0x05a9, 0x8519), DVNM("OmniVision")}, + {} +}; +#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, +}; + +/* -- module insert / remove -- */ +static int __init sd_mod_init(void) +{ + if (usb_register(&sd_driver) < 0) + return -1; + PDEBUG(D_PROBE, "v%s registered", version); + 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)"); + |