V4L/DVB (12079): gspca_ov519: add support for the ov511 bridge

gspca_ov519: add support for the ov511 bridge

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 521 insertions, 13 deletions

diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index 9d4b69dbf966..1f8e2613ecc5 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -76,8 +76,8 @@ struct sd {
 
         __u8 stopped;           /* Streaming is temporarily paused */
 
-        __u8 frame_rate;        /* current Framerate (OV519 only) */
-        __u8 clockdiv;          /* clockdiv override for OV519 only */
+        __u8 frame_rate;        /* current Framerate */
+        __u8 clockdiv;          /* clockdiv override */
 
         char sensor;            /* Type of image sensor chip (SEN_*) */
 #define SEN_UNKNOWN 0
@@ -304,17 +304,77 @@ static const struct v4l2_pix_format ov518_sif_mode[] = {
                 .priv = 0},
 };
 
+static const struct v4l2_pix_format ov511_vga_mode[] = {
+        {320, 240, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
+                .bytesperline = 320,
+                .sizeimage = 320 * 240 * 3,
+                .colorspace = V4L2_COLORSPACE_JPEG,
+                .priv = 1},
+        {640, 480, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
+                .bytesperline = 640,
+                .sizeimage = 640 * 480 * 2,
+                .colorspace = V4L2_COLORSPACE_JPEG,
+                .priv = 0},
+};
+static const struct v4l2_pix_format ov511_sif_mode[] = {
+        {160, 120, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
+                .bytesperline = 160,
+                .sizeimage = 40000,
+                .colorspace = V4L2_COLORSPACE_JPEG,
+                .priv = 3},
+        {176, 144, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
+                .bytesperline = 176,
+                .sizeimage = 40000,
+                .colorspace = V4L2_COLORSPACE_JPEG,
+                .priv = 1},
+        {320, 240, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
+                .bytesperline = 320,
+                .sizeimage = 320 * 240 * 3,
+                .colorspace = V4L2_COLORSPACE_JPEG,
+                .priv = 2},
+        {352, 288, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
+                .bytesperline = 352,
+                .sizeimage = 352 * 288 * 3,
+                .colorspace = V4L2_COLORSPACE_JPEG,
+                .priv = 0},
+};
 
 /* Registers common to OV511 / OV518 */
+#define R51x_FIFO_PSIZE                 0x30    /* 2 bytes wide w/ OV518(+) */
 #define R51x_SYS_RESET                  0x50
+        /* Reset type flags */
+        #define OV511_RESET_OMNICE      0x08
 #define R51x_SYS_INIT                   0x53
 #define R51x_SYS_SNAP                   0x52
 #define R51x_SYS_CUST_ID                0x5F
 #define R51x_COMP_LUT_BEGIN             0x80
 
 /* OV511 Camera interface register numbers */
+#define R511_CAM_DELAY                  0x10
+#define R511_CAM_EDGE                   0x11
+#define R511_CAM_PXCNT                  0x12
+#define R511_CAM_LNCNT                  0x13
+#define R511_CAM_PXDIV                  0x14
+#define R511_CAM_LNDIV                  0x15
+#define R511_CAM_UV_EN                  0x16
+#define R511_CAM_LINE_MODE              0x17
+#define R511_CAM_OPTS                   0x18
+
+#define R511_SNAP_FRAME                 0x19
+#define R511_SNAP_PXCNT                 0x1A
+#define R511_SNAP_LNCNT                 0x1B
+#define R511_SNAP_PXDIV                 0x1C
+#define R511_SNAP_LNDIV                 0x1D
+#define R511_SNAP_UV_EN                 0x1E
+#define R511_SNAP_UV_EN                 0x1E
+#define R511_SNAP_OPTS                  0x1F
+
+#define R511_DRAM_FLOW_CTL              0x20
+#define R511_FIFO_OPTS                  0x31
+#define R511_I2C_CTL                    0x40
 #define R511_SYS_LED_CTL                0x55    /* OV511+ only */
-#define OV511_RESET_NOREGS              0x3F    /* All but OV511 & regs */
+#define R511_COMP_EN                    0x78
+#define R511_COMP_LUT_EN                0x79
 
 /* OV518 Camera interface register numbers */
 #define R518_GPIO_OUT                   0x56    /* OV518(+) only */
@@ -1079,13 +1139,128 @@ static int ov518_reg_w32(struct sd *sd, __u16 index, u32 value, int n)
         return ret;
 }
 
+static int ov511_i2c_w(struct sd *sd, __u8 reg, __u8 value)
+{
+        int rc, retries;
+
+        PDEBUG(D_USBO, "i2c 0x%02x -> [0x%02x]", value, reg);
+
+        /* Three byte write cycle */
+        for (retries = 6; ; ) {
+                /* 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, R511_I2C_CTL, 0x01);
+                if (rc < 0)
+                        return rc;
+
+                do
+                        rc = reg_r(sd, R511_I2C_CTL);
+                while (rc > 0 && ((rc & 1) == 0)); /* Retry until idle */
+
+                if (rc < 0)
+                        return rc;
+
+                if ((rc & 2) == 0) /* Ack? */
+                        break;
+                if (--retries < 0) {
+                        PDEBUG(D_USBO, "i2c write retries exhausted");
+                        return -1;
+                }
+        }
+
+        return 0;
+}
+
+static int ov511_i2c_r(struct sd *sd, __u8 reg)
+{
+        int rc, value, retries;
+
+        /* Two byte write cycle */
+        for (retries = 6; ; ) {
+                /* 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, R511_I2C_CTL, 0x03);
+                if (rc < 0)
+                        return rc;
+
+                do
+                        rc = reg_r(sd, R511_I2C_CTL);
+                while (rc > 0 && ((rc & 1) == 0)); /* Retry until idle */
+
+                if (rc < 0)
+                        return rc;
+
+                if ((rc & 2) == 0) /* Ack? */
+                        break;
+
+                /* I2C abort */
+                reg_w(sd, R511_I2C_CTL, 0x10);
+
+                if (--retries < 0) {
+                        PDEBUG(D_USBI, "i2c write retries exhausted");
+                        return -1;
+                }
+        }
+
+        /* Two byte read cycle */
+        for (retries = 6; ; ) {
+                /* Initiate 2-byte read cycle */
+                rc = reg_w(sd, R511_I2C_CTL, 0x05);
+                if (rc < 0)
+                        return rc;
+
+                do
+                        rc = reg_r(sd, R511_I2C_CTL);
+                while (rc > 0 && ((rc & 1) == 0)); /* Retry until idle */
+
+                if (rc < 0)
+                        return rc;
+
+                if ((rc & 2) == 0) /* Ack? */
+                        break;
+
+                /* I2C abort */
+                rc = reg_w(sd, R511_I2C_CTL, 0x10);
+                if (rc < 0)
+                        return rc;
+
+                if (--retries < 0) {
+                        PDEBUG(D_USBI, "i2c read retries exhausted");
+                        return -1;
+                }
+        }
+
+        value = reg_r(sd, R51x_I2C_DATA);
+
+        PDEBUG(D_USBI, "i2c [0x%02X] -> 0x%02X", reg, value);
+
+        /* This is needed to make i2c_w() work */
+        rc = reg_w(sd, R511_I2C_CTL, 0x05);
+        if (rc < 0)
+                return rc;
+
+        return 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,
+static int ov518_i2c_w(struct sd *sd,
                 __u8 reg,
                 __u8 value)
 {
@@ -1120,7 +1295,7 @@ static int i2c_w(struct sd *sd,
  * 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)
+static int ov518_i2c_r(struct sd *sd, __u8 reg)
 {
         int rc, value;
 
@@ -1143,6 +1318,34 @@ static int i2c_r(struct sd *sd, __u8 reg)
         return value;
 }
 
+static int i2c_w(struct sd *sd, __u8 reg, __u8 value)
+{
+        switch (sd->bridge) {
+        case BRIDGE_OV511:
+        case BRIDGE_OV511PLUS:
+                return ov511_i2c_w(sd, reg, value);
+        case BRIDGE_OV518:
+        case BRIDGE_OV518PLUS:
+        case BRIDGE_OV519:
+                return ov518_i2c_w(sd, reg, value);
+        }
+        return -1; /* Should never happen */
+}
+
+static int i2c_r(struct sd *sd, __u8 reg)
+{
+        switch (sd->bridge) {
+        case BRIDGE_OV511:
+        case BRIDGE_OV511PLUS:
+                return ov511_i2c_r(sd, reg);
+        case BRIDGE_OV518:
+        case BRIDGE_OV518PLUS:
+        case BRIDGE_OV519:
+                return ov518_i2c_r(sd, reg);
+        }
+        return -1; /* Should never happen */
+}
+
 /* 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
@@ -1490,9 +1693,31 @@ static void ov51x_led_control(struct sd *sd, int on)
         }
 }
 
-/* OV518 quantization tables are 8x4 (instead of 8x8) */
-static int ov518_upload_quan_tables(struct sd *sd)
+static int ov51x_upload_quan_tables(struct sd *sd)
 {
+        const unsigned char yQuanTable511[] = {
+                0, 1, 1, 2, 2, 3, 3, 4,
+                1, 1, 1, 2, 2, 3, 4, 4,
+                1, 1, 2, 2, 3, 4, 4, 4,
+                2, 2, 2, 3, 4, 4, 4, 4,
+                2, 2, 3, 4, 4, 5, 5, 5,
+                3, 3, 4, 4, 5, 5, 5, 5,
+                3, 4, 4, 4, 5, 5, 5, 5,
+                4, 4, 4, 4, 5, 5, 5, 5
+        };
+
+        const unsigned char uvQuanTable511[] = {
+                0, 2, 2, 3, 4, 4, 4, 4,
+                2, 2, 2, 4, 4, 4, 4, 4,
+                2, 2, 3, 4, 4, 4, 4, 4,
+                3, 4, 4, 4, 4, 4, 4, 4,
+                4, 4, 4, 4, 4, 4, 4, 4,
+                4, 4, 4, 4, 4, 4, 4, 4,
+                4, 4, 4, 4, 4, 4, 4, 4,
+                4, 4, 4, 4, 4, 4, 4, 4
+        };
+
+        /* OV518 quantization tables are 8x4 (instead of 8x8) */
         const unsigned char yQuanTable518[] = {
                 5, 4, 5, 6, 6, 7, 7, 7,
                 5, 5, 5, 5, 6, 7, 7, 7,
@@ -1507,14 +1732,23 @@ static int ov518_upload_quan_tables(struct sd *sd)
                 7, 7, 7, 7, 7, 7, 8, 8
         };
 
-        const unsigned char *pYTable = yQuanTable518;
-        const unsigned char *pUVTable = uvQuanTable518;
+        const unsigned char *pYTable, *pUVTable;
         unsigned char val0, val1;
-        int i, rc, reg = R51x_COMP_LUT_BEGIN;
+        int i, size, rc, reg = R51x_COMP_LUT_BEGIN;
 
         PDEBUG(D_PROBE, "Uploading quantization tables");
 
-        for (i = 0; i < 16; i++) {
+        if (sd->bridge == BRIDGE_OV511 || sd->bridge == BRIDGE_OV511PLUS) {
+                pYTable = yQuanTable511;
+                pUVTable = uvQuanTable511;
+                size  = 32;
+        } else {
+                pYTable = yQuanTable518;
+                pUVTable = uvQuanTable518;
+                size  = 16;
+        }
+
+        for (i = 0; i < size; i++) {
                 val0 = *pYTable++;
                 val1 = *pYTable++;
                 val0 &= 0x0f;
@@ -1529,7 +1763,7 @@ static int ov518_upload_quan_tables(struct sd *sd)
                 val0 &= 0x0f;
                 val1 &= 0x0f;
                 val0 |= val1 << 4;
-                rc = reg_w(sd, reg + 16, val0);
+                rc = reg_w(sd, reg + size, val0);
                 if (rc < 0)
                         return rc;
 
@@ -1539,6 +1773,87 @@ static int ov518_upload_quan_tables(struct sd *sd)
         return 0;
 }
 
+/* This initializes the OV511/OV511+ and the sensor */
+static int ov511_configure(struct gspca_dev *gspca_dev)
+{
+        struct sd *sd = (struct sd *) gspca_dev;
+        int rc;
+
+        /* For 511 and 511+ */
+        const struct ov_regvals init_511[] = {
+                { R51x_SYS_RESET,       0x7f },
+                { R51x_SYS_INIT,        0x01 },
+                { R51x_SYS_RESET,       0x7f },
+                { R51x_SYS_INIT,        0x01 },
+                { R51x_SYS_RESET,       0x3f },
+                { R51x_SYS_INIT,        0x01 },
+                { R51x_SYS_RESET,       0x3d },
+        };
+
+        const struct ov_regvals norm_511[] = {
+                { R511_DRAM_FLOW_CTL,   0x01 },
+                { R51x_SYS_SNAP,        0x00 },
+                { R51x_SYS_SNAP,        0x02 },
+                { R51x_SYS_SNAP,        0x00 },
+                { R511_FIFO_OPTS,       0x1f },
+                { R511_COMP_EN,         0x00 },
+                { R511_COMP_LUT_EN,     0x03 },
+        };
+
+        const struct ov_regvals norm_511_p[] = {
+                { R511_DRAM_FLOW_CTL,   0xff },
+                { R51x_SYS_SNAP,        0x00 },
+                { R51x_SYS_SNAP,        0x02 },
+                { R51x_SYS_SNAP,        0x00 },
+                { R511_FIFO_OPTS,       0xff },
+                { R511_COMP_EN,         0x00 },
+                { R511_COMP_LUT_EN,     0x03 },
+        };
+
+        const struct ov_regvals compress_511[] = {
+                { 0x70, 0x1f },
+                { 0x71, 0x05 },
+                { 0x72, 0x06 },
+                { 0x73, 0x06 },
+                { 0x74, 0x14 },
+                { 0x75, 0x03 },
+                { 0x76, 0x04 },
+                { 0x77, 0x04 },
+        };
+
+        PDEBUG(D_PROBE, "Device custom id %x", reg_r(sd, R51x_SYS_CUST_ID));
+
+        rc = write_regvals(sd, init_511, ARRAY_SIZE(init_511));
+        if (rc < 0)
+                return rc;
+
+        switch (sd->bridge) {
+        case BRIDGE_OV511:
+                rc = write_regvals(sd, norm_511, ARRAY_SIZE(norm_511));
+                if (rc < 0)
+                        return rc;
+                break;
+        case BRIDGE_OV511PLUS:
+                rc = write_regvals(sd, norm_511_p, ARRAY_SIZE(norm_511_p));
+                if (rc < 0)
+                        return rc;
+                break;
+        }
+
+        /* Init compression */
+        rc = write_regvals(sd, compress_511, ARRAY_SIZE(compress_511));
+        if (rc < 0)
+                return rc;
+
+        rc = ov51x_upload_quan_tables(sd);
+        if (rc < 0) {
+                PDEBUG(D_ERR, "Error uploading quantization tables");
+                return rc;
+        }
+
+        return 0;
+}
+
 /* This initializes the OV518/OV518+ and the sensor */
 static int ov518_configure(struct gspca_dev *gspca_dev)
 {
@@ -1615,7 +1930,7 @@ static int ov518_configure(struct gspca_dev *gspca_dev)
                 break;
         }
 
-        rc = ov518_upload_quan_tables(sd);
+        rc = ov51x_upload_quan_tables(sd);
         if (rc < 0) {
                 PDEBUG(D_ERR, "Error uploading quantization tables");
                 return rc;
@@ -1661,6 +1976,10 @@ static int sd_config(struct gspca_dev *gspca_dev,
         sd->invert_led = id->driver_info & BRIDGE_INVERT_LED;
 
         switch (sd->bridge) {
+        case BRIDGE_OV511:
+        case BRIDGE_OV511PLUS:
+                ret = ov511_configure(gspca_dev);
+                break;
         case BRIDGE_OV518:
         case BRIDGE_OV518PLUS:
                 ret = ov518_configure(gspca_dev);
@@ -1719,6 +2038,16 @@ static int sd_config(struct gspca_dev *gspca_dev,
 
         cam = &gspca_dev->cam;
         switch (sd->bridge) {
+        case BRIDGE_OV511:
+        case BRIDGE_OV511PLUS:
+                if (!sd->sif) {
+                        cam->cam_mode = ov511_vga_mode;
+                        cam->nmodes = ARRAY_SIZE(ov511_vga_mode);
+                } else {
+                        cam->cam_mode = ov511_sif_mode;
+                        cam->nmodes = ARRAY_SIZE(ov511_sif_mode);
+                }
+                break;
         case BRIDGE_OV518:
         case BRIDGE_OV518PLUS:
                 if (!sd->sif) {
@@ -1810,6 +2139,126 @@ static int sd_init(struct gspca_dev *gspca_dev)
         return 0;
 }
 
+/* Set up the OV511/OV511+ with the given image parameters.
+ *
+ * Do not put any sensor-specific code in here (including I2C I/O functions)
+ */
+static int ov511_mode_init_regs(struct sd *sd)
+{
+        int hsegs, vsegs, packet_size, fps, needed;
+        int interlaced = 0;
+        struct usb_host_interface *alt;
+        struct usb_interface *intf;
+
+        intf = usb_ifnum_to_if(sd->gspca_dev.dev, sd->gspca_dev.iface);
+        alt = usb_altnum_to_altsetting(intf, sd->gspca_dev.alt);
+        if (!alt) {
+                PDEBUG(D_ERR, "Couldn't get altsetting");
+                return -EIO;
+        }
+
+        packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+        reg_w(sd, R51x_FIFO_PSIZE, packet_size >> 5);
+
+        reg_w(sd, R511_CAM_UV_EN, 0x01);
+        reg_w(sd, R511_SNAP_UV_EN, 0x01);
+        reg_w(sd, R511_SNAP_OPTS, 0x03);
+
+        /* Here I'm assuming that snapshot size == image size.
+         * I hope that's always true. --claudio
+         */
+        hsegs = (sd->gspca_dev.width >> 3) - 1;
+        vsegs = (sd->gspca_dev.height >> 3) - 1;
+
+        reg_w(sd, R511_CAM_PXCNT, hsegs);
+        reg_w(sd, R511_CAM_LNCNT, vsegs);
+        reg_w(sd, R511_CAM_PXDIV, 0x00);
+        reg_w(sd, R511_CAM_LNDIV, 0x00);
+
+        /* YUV420, low pass filter on */
+        reg_w(sd, R511_CAM_OPTS, 0x03);
+
+        /* Snapshot additions */
+        reg_w(sd, R511_SNAP_PXCNT, hsegs);
+        reg_w(sd, R511_SNAP_LNCNT, vsegs);
+        reg_w(sd, R511_SNAP_PXDIV, 0x00);
+        reg_w(sd, R511_SNAP_LNDIV, 0x00);
+
+        /******** Set the framerate ********/
+        if (frame_rate > 0)
+                sd->frame_rate = frame_rate;
+
+        switch (sd->sensor) {
+        case SEN_OV6620:
+                /* No framerate control, doesn't like higher rates yet */
+                sd->clockdiv = 3;
+                break;
+
+        /* Note once the FIXME's in mode_init_ov_sensor_regs() are fixed
+           for more sensors we need to do this for them too */
+        case SEN_OV7620:
+        case SEN_OV7640:
+                if (sd->gspca_dev.width == 320)
+                        interlaced = 1;
+                /* Fall through */
+        case SEN_OV6630:
+        case SEN_OV76BE:
+        case SEN_OV7610:
+        case SEN_OV7670:
+                switch (sd->frame_rate) {
+                case 30:
+                case 25:
+                        /* Not enough bandwidth to do 640x480 @ 30 fps */
+                        if (sd->gspca_dev.width != 640) {
+                                sd->clockdiv = 0;
+                                break;
+                        }
+                        /* Fall through for 640x480 case */
+                default:
+/*              case 20: */
+/*              case 15: */
+                        sd->clockdiv = 1;
+                        break;
+                case 10:
+                        sd->clockdiv = 2;
+                        break;
+                case 5:
+                        sd->clockdiv = 5;
+                        break;
+                }
+                if (interlaced) {
+                        sd->clockdiv = (sd->clockdiv + 1) * 2 - 1;
+                        /* Higher then 10 does not work */
+                        if (sd->clockdiv > 10)
+                                sd->clockdiv = 10;
+                }
+                break;
+
+        case SEN_OV8610:
+                /* No framerate control ?? */
+                sd->clockdiv = 0;
+                break;
+        }
+
+        /* Check if we have enough bandwidth to disable compression */
+        fps = (interlaced ? 60 : 30) / (sd->clockdiv + 1) + 1;
+        needed = fps * sd->gspca_dev.width * sd->gspca_dev.height * 3 / 2;
+        /* 1400 is a conservative estimate of the max nr of isoc packets/sec */
+        if (needed > 1400 * packet_size) {
+                /* Enable Y and UV quantization and compression */
+                reg_w(sd, R511_COMP_EN, 0x07);
+                reg_w(sd, R511_COMP_LUT_EN, 0x03);
+        } else {
+                reg_w(sd, R511_COMP_EN, 0x06);
+                reg_w(sd, R511_COMP_LUT_EN, 0x00);
+        }
+
+        reg_w(sd, R51x_SYS_RESET, OV511_RESET_OMNICE);
+        reg_w(sd, R51x_SYS_RESET, 0);
+
+        return 0;
+}
+
 /* Sets up the OV518/OV518+ with the given image parameters
  *
  * OV518 needs a completely different approach, until we can figure out what
@@ -2363,6 +2812,10 @@ static int sd_start(struct gspca_dev *gspca_dev)
         int ret = 0;
 
         switch (sd->bridge) {
+        case BRIDGE_OV511:
+        case BRIDGE_OV511PLUS:
+                ret = ov511_mode_init_regs(sd);
+                break;
         case BRIDGE_OV518:
         case BRIDGE_OV518PLUS:
                 ret = ov518_mode_init_regs(sd);
@@ -2403,6 +2856,56 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
         ov51x_led_control(sd, 0);
 }
 
+static void ov511_pkt_scan(struct gspca_dev *gspca_dev,
+                        struct gspca_frame *frame,      /* target */
+                        __u8 *in,                       /* isoc packet */
+                        int len)                        /* iso packet length */
+{
+        struct sd *sd = (struct sd *) gspca_dev;
+
+        /* SOF/EOF packets have 1st to 8th bytes zeroed and the 9th
+         * byte non-zero. The EOF packet has image width/height in the
+         * 10th and 11th bytes. The 9th byte is given as follows:
+         *
+         * bit 7: EOF
+         *     6: compression enabled
+         *     5: 422/420/400 modes
+         *     4: 422/420/400 modes
+         *     3: 1
+         *     2: snapshot button on
+         *     1: snapshot frame
+         *     0: even/odd field
+         */
+        if (!(in[0] | in[1] | in[2] | in[3] | in[4] | in[5] | in[6] | in[7]) &&
+            (in[8] & 0x08)) {
+                if (in[8] & 0x80) {
+                        /* Frame end */
+                        if ((in[9] + 1) * 8 != gspca_dev->width ||
+                            (in[10] + 1) * 8 != gspca_dev->height) {
+                                PDEBUG(D_ERR, "Invalid frame size, got: %dx%d,"
+                                        " requested: %dx%d\n",
+                                        (in[9] + 1) * 8, (in[10] + 1) * 8,
+                                        gspca_dev->width, gspca_dev->height);
+                                gspca_dev->last_packet_type = DISCARD_PACKET;
+                                return;
+                        }
+                        /* Add 11 byte footer to frame, might be usefull */
+                        gspca_frame_add(gspca_dev, LAST_PACKET, frame, in, 11);
+                        return;
+                } else {
+                        /* Frame start */
+                        gspca_frame_add(gspca_dev, FIRST_PACKET, frame, in, 0);
+                        sd->packet_nr = 0;
+                }
+        }
+
+        /* Ignore the packet number */
+        len--;
+
+        /* intermediate packet */
+        gspca_frame_add(gspca_dev, INTER_PACKET, frame, in, len);
+}
+
 static void ov518_pkt_scan(struct gspca_dev *gspca_dev,
                         struct gspca_frame *frame,      /* target */
                         __u8 *data,                     /* isoc packet */
@@ -2495,6 +2998,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
         switch (sd->bridge) {
         case BRIDGE_OV511:
         case BRIDGE_OV511PLUS:
+                ov511_pkt_scan(gspca_dev, frame, data, len);
                 break;
         case BRIDGE_OV518:
         case BRIDGE_OV518PLUS:
@@ -2862,12 +3366,15 @@ static const __devinitdata struct usb_device_id device_table[] = {
         {USB_DEVICE(0x045e, 0x028c), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x054c, 0x0154), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x054c, 0x0155), .driver_info = BRIDGE_OV519 },
+        {USB_DEVICE(0x05a9, 0x0511), .driver_info = BRIDGE_OV511 },
         {USB_DEVICE(0x05a9, 0x0518), .driver_info = BRIDGE_OV518 },
         {USB_DEVICE(0x05a9, 0x0519), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x05a9, 0x0530), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x05a9, 0x4519), .driver_info = BRIDGE_OV519 },
         {USB_DEVICE(0x05a9, 0x8519), .driver_info = BRIDGE_OV519 },
+        {USB_DEVICE(0x05a9, 0xa511), .driver_info = BRIDGE_OV511PLUS },
         {USB_DEVICE(0x05a9, 0xa518), .driver_info = BRIDGE_OV518PLUS },
+        {USB_DEVICE(0x0813, 0x0002), .driver_info = BRIDGE_OV511PLUS },
         {}
 };
 
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 772d226cb5ca..8a025d510904 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -348,6 +348,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
 #define V4L2_PIX_FMT_YVYU     v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
+#define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
 
 /*