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Diffstat (limited to 'drivers/media/video/gspca/ov519.c')
-rw-r--r--drivers/media/video/gspca/ov519.c2186
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)");
+