summaryrefslogtreecommitdiff
path: root/drivers/media/usb/gspca/ov519.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/media/usb/gspca/ov519.c
Initial import
Diffstat (limited to 'drivers/media/usb/gspca/ov519.c')
-rw-r--r--drivers/media/usb/gspca/ov519.c5040
1 files changed, 5040 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/ov519.c b/drivers/media/usb/gspca/ov519.c
new file mode 100644
index 000000000..c95f32a0c
--- /dev/null
+++ b/drivers/media/usb/gspca/ov519.c
@@ -0,0 +1,5040 @@
+/**
+ * OV519 driver
+ *
+ * Copyright (C) 2008-2011 Jean-François Moine <moinejf@free.fr>
+ * Copyright (C) 2009 Hans de Goede <hdegoede@redhat.com>
+ *
+ * This module is adapted from the ov51x-jpeg package, which itself
+ * was adapted from the ov511 driver.
+ *
+ * Original copyright for the ov511 driver is:
+ *
+ * Copyright (c) 1999-2006 Mark W. McClelland
+ * Support for OV519, OV8610 Copyright (c) 2003 Joerg Heckenbach
+ * Many improvements by Bret Wallach <bwallac1@san.rr.com>
+ * Color fixes by by Orion Sky Lawlor <olawlor@acm.org> (2/26/2000)
+ * OV7620 fixes by Charl P. Botha <cpbotha@ieee.org>
+ * Changes by Claudio Matsuoka <claudio@conectiva.com>
+ *
+ * ov51x-jpeg original copyright is:
+ *
+ * Copyright (c) 2004-2007 Romain Beauxis <toots@rastageeks.org>
+ * Support for OV7670 sensors was contributed by Sam Skipsey <aoanla@yahoo.com>
+ *
+ * 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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define MODULE_NAME "ov519"
+
+#include <linux/input.h>
+#include "gspca.h"
+
+/* The jpeg_hdr is used by w996Xcf only */
+/* The CONEX_CAM define for jpeg.h needs renaming, now its used here too */
+#define CONEX_CAM
+#include "jpeg.h"
+
+MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
+MODULE_DESCRIPTION("OV519 USB Camera Driver");
+MODULE_LICENSE("GPL");
+
+/* global parameters */
+static int frame_rate;
+
+/* Number of times to retry a failed I2C transaction. Increase this if you
+ * are getting "Failed to read sensor ID..." */
+static int i2c_detect_tries = 10;
+
+/* ov519 device descriptor */
+struct sd {
+ struct gspca_dev gspca_dev; /* !! must be the first item */
+
+ struct v4l2_ctrl *jpegqual;
+ struct v4l2_ctrl *freq;
+ struct { /* h/vflip control cluster */
+ struct v4l2_ctrl *hflip;
+ struct v4l2_ctrl *vflip;
+ };
+ struct { /* autobrightness/brightness control cluster */
+ struct v4l2_ctrl *autobright;
+ struct v4l2_ctrl *brightness;
+ };
+
+ u8 revision;
+
+ u8 packet_nr;
+
+ char bridge;
+#define BRIDGE_OV511 0
+#define BRIDGE_OV511PLUS 1
+#define BRIDGE_OV518 2
+#define BRIDGE_OV518PLUS 3
+#define BRIDGE_OV519 4 /* = ov530 */
+#define BRIDGE_OVFX2 5
+#define BRIDGE_W9968CF 6
+#define BRIDGE_MASK 7
+
+ char invert_led;
+#define BRIDGE_INVERT_LED 8
+
+ char snapshot_pressed;
+ char snapshot_needs_reset;
+
+ /* Determined by sensor type */
+ u8 sif;
+
+#define QUALITY_MIN 50
+#define QUALITY_MAX 70
+#define QUALITY_DEF 50
+
+ u8 stopped; /* Streaming is temporarily paused */
+ u8 first_frame;
+
+ u8 frame_rate; /* current Framerate */
+ u8 clockdiv; /* clockdiv override */
+
+ s8 sensor; /* Type of image sensor chip (SEN_*) */
+
+ u8 sensor_addr;
+ u16 sensor_width;
+ u16 sensor_height;
+ s16 sensor_reg_cache[256];
+
+ u8 jpeg_hdr[JPEG_HDR_SZ];
+};
+enum sensors {
+ SEN_OV2610,
+ SEN_OV2610AE,
+ SEN_OV3610,
+ SEN_OV6620,
+ SEN_OV6630,
+ SEN_OV66308AF,
+ SEN_OV7610,
+ SEN_OV7620,
+ SEN_OV7620AE,
+ SEN_OV7640,
+ SEN_OV7648,
+ SEN_OV7660,
+ SEN_OV7670,
+ SEN_OV76BE,
+ SEN_OV8610,
+ SEN_OV9600,
+};
+
+/* Note this is a bit of a hack, but the w9968cf driver needs the code for all
+ the ov sensors which is already present here. When we have the time we
+ really should move the sensor drivers to v4l2 sub drivers. */
+#include "w996Xcf.c"
+
+/* table of the disabled controls */
+struct ctrl_valid {
+ unsigned int has_brightness:1;
+ unsigned int has_contrast:1;
+ unsigned int has_exposure:1;
+ unsigned int has_autogain:1;
+ unsigned int has_sat:1;
+ unsigned int has_hvflip:1;
+ unsigned int has_autobright:1;
+ unsigned int has_freq:1;
+};
+
+static const struct ctrl_valid valid_controls[] = {
+ [SEN_OV2610] = {
+ .has_exposure = 1,
+ .has_autogain = 1,
+ },
+ [SEN_OV2610AE] = {
+ .has_exposure = 1,
+ .has_autogain = 1,
+ },
+ [SEN_OV3610] = {
+ /* No controls */
+ },
+ [SEN_OV6620] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_sat = 1,
+ .has_autobright = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV6630] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_sat = 1,
+ .has_autobright = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV66308AF] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_sat = 1,
+ .has_autobright = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV7610] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_sat = 1,
+ .has_autobright = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV7620] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_sat = 1,
+ .has_autobright = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV7620AE] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_sat = 1,
+ .has_autobright = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV7640] = {
+ .has_brightness = 1,
+ .has_sat = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV7648] = {
+ .has_brightness = 1,
+ .has_sat = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV7660] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_sat = 1,
+ .has_hvflip = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV7670] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_hvflip = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV76BE] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_sat = 1,
+ .has_autobright = 1,
+ .has_freq = 1,
+ },
+ [SEN_OV8610] = {
+ .has_brightness = 1,
+ .has_contrast = 1,
+ .has_sat = 1,
+ .has_autobright = 1,
+ },
+ [SEN_OV9600] = {
+ .has_exposure = 1,
+ .has_autogain = 1,
+ },
+};
+
+static const struct v4l2_pix_format ov519_vga_mode[] = {
+ {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 1},
+ {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 0},
+};
+static const struct v4l2_pix_format ov519_sif_mode[] = {
+ {160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 160,
+ .sizeimage = 160 * 120 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 3},
+ {176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 176,
+ .sizeimage = 176 * 144 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 1},
+ {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 2},
+ {352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
+ .bytesperline = 352,
+ .sizeimage = 352 * 288 * 3 / 8 + 590,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 0},
+};
+
+/* Note some of the sizeimage values for the ov511 / ov518 may seem
+ larger then necessary, however they need to be this big as the ov511 /
+ ov518 always fills the entire isoc frame, using 0 padding bytes when
+ it doesn't have any data. So with low framerates the amount of data
+ transferred can become quite large (libv4l will remove all the 0 padding
+ in userspace). */
+static const struct v4l2_pix_format ov518_vga_mode[] = {
+ {320, 240, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240 * 3,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 1},
+ {640, 480, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480 * 2,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 0},
+};
+static const struct v4l2_pix_format ov518_sif_mode[] = {
+ {160, 120, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
+ .bytesperline = 160,
+ .sizeimage = 70000,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 3},
+ {176, 144, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
+ .bytesperline = 176,
+ .sizeimage = 70000,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 1},
+ {320, 240, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240 * 3,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 2},
+ {352, 288, V4L2_PIX_FMT_OV518, V4L2_FIELD_NONE,
+ .bytesperline = 352,
+ .sizeimage = 352 * 288 * 3,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .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 = 70000,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ .priv = 3},
+ {176, 144, V4L2_PIX_FMT_OV511, V4L2_FIELD_NONE,
+ .bytesperline = 176,
+ .sizeimage = 70000,
+ .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},
+};
+
+static const struct v4l2_pix_format ovfx2_vga_mode[] = {
+ {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0},
+};
+static const struct v4l2_pix_format ovfx2_cif_mode[] = {
+ {160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 160,
+ .sizeimage = 160 * 120,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 3},
+ {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 176,
+ .sizeimage = 176 * 144,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 320,
+ .sizeimage = 320 * 240,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 2},
+ {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 352,
+ .sizeimage = 352 * 288,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0},
+};
+static const struct v4l2_pix_format ovfx2_ov2610_mode[] = {
+ {800, 600, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 800,
+ .sizeimage = 800 * 600,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {1600, 1200, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 1600,
+ .sizeimage = 1600 * 1200,
+ .colorspace = V4L2_COLORSPACE_SRGB},
+};
+static const struct v4l2_pix_format ovfx2_ov3610_mode[] = {
+ {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {800, 600, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 800,
+ .sizeimage = 800 * 600,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {1024, 768, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 1024,
+ .sizeimage = 1024 * 768,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {1600, 1200, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 1600,
+ .sizeimage = 1600 * 1200,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0},
+ {2048, 1536, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 2048,
+ .sizeimage = 2048 * 1536,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 0},
+};
+static const struct v4l2_pix_format ovfx2_ov9600_mode[] = {
+ {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 640,
+ .sizeimage = 640 * 480,
+ .colorspace = V4L2_COLORSPACE_SRGB,
+ .priv = 1},
+ {1280, 1024, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+ .bytesperline = 1280,
+ .sizeimage = 1280 * 1024,
+ .colorspace = V4L2_COLORSPACE_SRGB},
+};
+
+/* 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_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 R511_COMP_EN 0x78
+#define R511_COMP_LUT_EN 0x79
+
+/* OV518 Camera interface register numbers */
+#define R518_GPIO_OUT 0x56 /* OV518(+) only */
+#define R518_GPIO_CTL 0x57 /* OV518(+) only */
+
+/* OV519 Camera interface register numbers */
+#define OV519_R10_H_SIZE 0x10
+#define OV519_R11_V_SIZE 0x11
+#define OV519_R12_X_OFFSETL 0x12
+#define OV519_R13_X_OFFSETH 0x13
+#define OV519_R14_Y_OFFSETL 0x14
+#define OV519_R15_Y_OFFSETH 0x15
+#define OV519_R16_DIVIDER 0x16
+#define OV519_R20_DFR 0x20
+#define OV519_R25_FORMAT 0x25
+
+/* OV519 System Controller register numbers */
+#define OV519_R51_RESET1 0x51
+#define OV519_R54_EN_CLK1 0x54
+#define OV519_R57_SNAPSHOT 0x57
+
+#define OV519_GPIO_DATA_OUT0 0x71
+#define OV519_GPIO_IO_CTRL0 0x72
+
+/*#define OV511_ENDPOINT_ADDRESS 1 * Isoc endpoint number */
+
+/*
+ * The FX2 chip does not give us a zero length read at end of frame.
+ * It does, however, give a short read at the end of a frame, if
+ * necessary, rather than run two frames together.
+ *
+ * By choosing the right bulk transfer size, we are guaranteed to always
+ * get a short read for the last read of each frame. Frame sizes are
+ * always a composite number (width * height, or a multiple) so if we
+ * choose a prime number, we are guaranteed that the last read of a
+ * frame will be short.
+ *
+ * But it isn't that easy: the 2.6 kernel requires a multiple of 4KB,
+ * otherwise EOVERFLOW "babbling" errors occur. I have not been able
+ * to figure out why. [PMiller]
+ *
+ * The constant (13 * 4096) is the largest "prime enough" number less than 64KB.
+ *
+ * It isn't enough to know the number of bytes per frame, in case we
+ * have data dropouts or buffer overruns (even though the FX2 double
+ * buffers, there are some pretty strict real time constraints for
+ * isochronous transfer for larger frame sizes).
+ */
+/*jfm: this value does not work for 800x600 - see isoc_init */
+#define OVFX2_BULK_SIZE (13 * 4096)
+
+/* 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 */
+#define OVFX2_I2C_ADDR 0x00
+
+/* I2C ADDRESSES */
+#define OV7xx0_SID 0x42
+#define OV_HIRES_SID 0x60 /* OV9xxx / OV2xxx / OV3xxx */
+#define OV8xx0_SID 0xa0
+#define OV6xx0_SID 0xc0
+
+/* OV7610 registers */
+#define OV7610_REG_GAIN 0x00 /* gain setting (5:0) */
+#define OV7610_REG_BLUE 0x01 /* blue channel balance */
+#define OV7610_REG_RED 0x02 /* red channel balance */
+#define OV7610_REG_SAT 0x03 /* saturation */
+#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 */
+
+/* OV7660 and OV7670 registers */
+#define OV7670_R00_GAIN 0x00 /* Gain lower 8 bits (rest in vref) */
+#define OV7670_R01_BLUE 0x01 /* blue gain */
+#define OV7670_R02_RED 0x02 /* red gain */
+#define OV7670_R03_VREF 0x03 /* Pieces of GAIN, VSTART, VSTOP */
+#define OV7670_R04_COM1 0x04 /* Control 1 */
+/*#define OV7670_R07_AECHH 0x07 * AEC MS 5 bits */
+#define OV7670_R0C_COM3 0x0c /* Control 3 */
+#define OV7670_R0D_COM4 0x0d /* Control 4 */
+#define OV7670_R0E_COM5 0x0e /* All "reserved" */
+#define OV7670_R0F_COM6 0x0f /* Control 6 */
+#define OV7670_R10_AECH 0x10 /* More bits of AEC value */
+#define OV7670_R11_CLKRC 0x11 /* Clock control */
+#define OV7670_R12_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_R13_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_R14_COM9 0x14 /* Control 9 - gain ceiling */
+#define OV7670_R15_COM10 0x15 /* Control 10 */
+#define OV7670_R17_HSTART 0x17 /* Horiz start high bits */
+#define OV7670_R18_HSTOP 0x18 /* Horiz stop high bits */
+#define OV7670_R19_VSTART 0x19 /* Vert start high bits */
+#define OV7670_R1A_VSTOP 0x1a /* Vert stop high bits */
+#define OV7670_R1E_MVFP 0x1e /* Mirror / vflip */
+#define OV7670_MVFP_VFLIP 0x10 /* vertical flip */
+#define OV7670_MVFP_MIRROR 0x20 /* Mirror image */
+#define OV7670_R24_AEW 0x24 /* AGC upper limit */
+#define OV7670_R25_AEB 0x25 /* AGC lower limit */
+#define OV7670_R26_VPT 0x26 /* AGC/AEC fast mode op region */
+#define OV7670_R32_HREF 0x32 /* HREF pieces */
+#define OV7670_R3A_TSLB 0x3a /* lots of stuff */
+#define OV7670_R3B_COM11 0x3b /* Control 11 */
+#define OV7670_COM11_EXP 0x02
+#define OV7670_COM11_HZAUTO 0x10 /* Auto detect 50/60 Hz */
+#define OV7670_R3C_COM12 0x3c /* Control 12 */
+#define OV7670_R3D_COM13 0x3d /* Control 13 */
+#define OV7670_COM13_GAMMA 0x80 /* Gamma enable */
+#define OV7670_COM13_UVSAT 0x40 /* UV saturation auto adjustment */
+#define OV7670_R3E_COM14 0x3e /* Control 14 */
+#define OV7670_R3F_EDGE 0x3f /* Edge enhancement factor */
+#define OV7670_R40_COM15 0x40 /* Control 15 */
+/*#define OV7670_COM15_R00FF 0xc0 * 00 to FF */
+#define OV7670_R41_COM16 0x41 /* Control 16 */
+#define OV7670_COM16_AWBGAIN 0x08 /* AWB gain enable */
+/* end of ov7660 common registers */
+#define OV7670_R55_BRIGHT 0x55 /* Brightness */
+#define OV7670_R56_CONTRAS 0x56 /* Contrast control */
+#define OV7670_R69_GFIX 0x69 /* Fix gain control */
+/*#define OV7670_R8C_RGB444 0x8c * RGB 444 control */
+#define OV7670_R9F_HAECC1 0x9f /* Hist AEC/AGC control 1 */
+#define OV7670_RA0_HAECC2 0xa0 /* Hist AEC/AGC control 2 */
+#define OV7670_RA5_BD50MAX 0xa5 /* 50hz banding step limit */
+#define OV7670_RA6_HAECC3 0xa6 /* Hist AEC/AGC control 3 */
+#define OV7670_RA7_HAECC4 0xa7 /* Hist AEC/AGC control 4 */
+#define OV7670_RA8_HAECC5 0xa8 /* Hist AEC/AGC control 5 */
+#define OV7670_RA9_HAECC6 0xa9 /* Hist AEC/AGC control 6 */
+#define OV7670_RAA_HAECC7 0xaa /* Hist AEC/AGC control 7 */
+#define OV7670_RAB_BD60MAX 0xab /* 60hz banding step limit */
+
+struct ov_regvals {
+ u8 reg;
+ u8 val;
+};
+struct ov_i2c_regvals {
+ u8 reg;
+ u8 val;
+};
+
+/* Settings for OV2610 camera chip */
+static const struct ov_i2c_regvals norm_2610[] = {
+ { 0x12, 0x80 }, /* reset */
+};
+
+static const struct ov_i2c_regvals norm_2610ae[] = {
+ {0x12, 0x80}, /* reset */
+ {0x13, 0xcd},
+ {0x09, 0x01},
+ {0x0d, 0x00},
+ {0x11, 0x80},
+ {0x12, 0x20}, /* 1600x1200 */
+ {0x33, 0x0c},
+ {0x35, 0x90},
+ {0x36, 0x37},
+/* ms-win traces */
+ {0x11, 0x83}, /* clock / 3 ? */
+ {0x2d, 0x00}, /* 60 Hz filter */
+ {0x24, 0xb0}, /* normal colors */
+ {0x25, 0x90},
+ {0x10, 0x43},
+};
+
+static const struct ov_i2c_regvals norm_3620b[] = {
+ /*
+ * From the datasheet: "Note that after writing to register COMH
+ * (0x12) to change the sensor mode, registers related to the
+ * sensor’s cropping window will be reset back to their default
+ * values."
+ *
+ * "wait 4096 external clock ... to make sure the sensor is
+ * stable and ready to access registers" i.e. 160us at 24MHz
+ */
+ { 0x12, 0x80 }, /* COMH reset */
+ { 0x12, 0x00 }, /* QXGA, master */
+
+ /*
+ * 11 CLKRC "Clock Rate Control"
+ * [7] internal frequency doublers: on
+ * [6] video port mode: master
+ * [5:0] clock divider: 1
+ */
+ { 0x11, 0x80 },
+
+ /*
+ * 13 COMI "Common Control I"
+ * = 192 (0xC0) 11000000
+ * COMI[7] "AEC speed selection"
+ * = 1 (0x01) 1....... "Faster AEC correction"
+ * COMI[6] "AEC speed step selection"
+ * = 1 (0x01) .1...... "Big steps, fast"
+ * COMI[5] "Banding filter on off"
+ * = 0 (0x00) ..0..... "Off"
+ * COMI[4] "Banding filter option"
+ * = 0 (0x00) ...0.... "Main clock is 48 MHz and
+ * the PLL is ON"
+ * COMI[3] "Reserved"
+ * = 0 (0x00) ....0...
+ * COMI[2] "AGC auto manual control selection"
+ * = 0 (0x00) .....0.. "Manual"
+ * COMI[1] "AWB auto manual control selection"
+ * = 0 (0x00) ......0. "Manual"
+ * COMI[0] "Exposure control"
+ * = 0 (0x00) .......0 "Manual"
+ */
+ { 0x13, 0xc0 },
+
+ /*
+ * 09 COMC "Common Control C"
+ * = 8 (0x08) 00001000
+ * COMC[7:5] "Reserved"
+ * = 0 (0x00) 000.....
+ * COMC[4] "Sleep Mode Enable"
+ * = 0 (0x00) ...0.... "Normal mode"
+ * COMC[3:2] "Sensor sampling reset timing selection"
+ * = 2 (0x02) ....10.. "Longer reset time"
+ * COMC[1:0] "Output drive current select"
+ * = 0 (0x00) ......00 "Weakest"
+ */
+ { 0x09, 0x08 },
+
+ /*
+ * 0C COMD "Common Control D"
+ * = 8 (0x08) 00001000
+ * COMD[7] "Reserved"
+ * = 0 (0x00) 0.......
+ * COMD[6] "Swap MSB and LSB at the output port"
+ * = 0 (0x00) .0...... "False"
+ * COMD[5:3] "Reserved"
+ * = 1 (0x01) ..001...
+ * COMD[2] "Output Average On Off"
+ * = 0 (0x00) .....0.. "Output Normal"
+ * COMD[1] "Sensor precharge voltage selection"
+ * = 0 (0x00) ......0. "Selects internal
+ * reference precharge
+ * voltage"
+ * COMD[0] "Snapshot option"
+ * = 0 (0x00) .......0 "Enable live video output
+ * after snapshot sequence"
+ */
+ { 0x0c, 0x08 },
+
+ /*
+ * 0D COME "Common Control E"
+ * = 161 (0xA1) 10100001
+ * COME[7] "Output average option"
+ * = 1 (0x01) 1....... "Output average of 4 pixels"
+ * COME[6] "Anti-blooming control"
+ * = 0 (0x00) .0...... "Off"
+ * COME[5:3] "Reserved"
+ * = 4 (0x04) ..100...
+ * COME[2] "Clock output power down pin status"
+ * = 0 (0x00) .....0.. "Tri-state data output pin
+ * on power down"
+ * COME[1] "Data output pin status selection at power down"
+ * = 0 (0x00) ......0. "Tri-state VSYNC, PCLK,
+ * HREF, and CHSYNC pins on
+ * power down"
+ * COME[0] "Auto zero circuit select"
+ * = 1 (0x01) .......1 "On"
+ */
+ { 0x0d, 0xa1 },
+
+ /*
+ * 0E COMF "Common Control F"
+ * = 112 (0x70) 01110000
+ * COMF[7] "System clock selection"
+ * = 0 (0x00) 0....... "Use 24 MHz system clock"
+ * COMF[6:4] "Reserved"
+ * = 7 (0x07) .111....
+ * COMF[3] "Manual auto negative offset canceling selection"
+ * = 0 (0x00) ....0... "Auto detect negative
+ * offset and cancel it"
+ * COMF[2:0] "Reserved"
+ * = 0 (0x00) .....000
+ */
+ { 0x0e, 0x70 },
+
+ /*
+ * 0F COMG "Common Control G"
+ * = 66 (0x42) 01000010
+ * COMG[7] "Optical black output selection"
+ * = 0 (0x00) 0....... "Disable"
+ * COMG[6] "Black level calibrate selection"
+ * = 1 (0x01) .1...... "Use optical black pixels
+ * to calibrate"
+ * COMG[5:4] "Reserved"
+ * = 0 (0x00) ..00....
+ * COMG[3] "Channel offset adjustment"
+ * = 0 (0x00) ....0... "Disable offset adjustment"
+ * COMG[2] "ADC black level calibration option"
+ * = 0 (0x00) .....0.. "Use B/G line and G/R
+ * line to calibrate each
+ * channel's black level"
+ * COMG[1] "Reserved"
+ * = 1 (0x01) ......1.
+ * COMG[0] "ADC black level calibration enable"
+ * = 0 (0x00) .......0 "Disable"
+ */
+ { 0x0f, 0x42 },
+
+ /*
+ * 14 COMJ "Common Control J"
+ * = 198 (0xC6) 11000110
+ * COMJ[7:6] "AGC gain ceiling"
+ * = 3 (0x03) 11...... "8x"
+ * COMJ[5:4] "Reserved"
+ * = 0 (0x00) ..00....
+ * COMJ[3] "Auto banding filter"
+ * = 0 (0x00) ....0... "Banding filter is always
+ * on off depending on
+ * COMI[5] setting"
+ * COMJ[2] "VSYNC drop option"
+ * = 1 (0x01) .....1.. "SYNC is dropped if frame
+ * data is dropped"
+ * COMJ[1] "Frame data drop"
+ * = 1 (0x01) ......1. "Drop frame data if
+ * exposure is not within
+ * tolerance. In AEC mode,
+ * data is normally dropped
+ * when data is out of
+ * range."
+ * COMJ[0] "Reserved"
+ * = 0 (0x00) .......0
+ */
+ { 0x14, 0xc6 },
+
+ /*
+ * 15 COMK "Common Control K"
+ * = 2 (0x02) 00000010
+ * COMK[7] "CHSYNC pin output swap"
+ * = 0 (0x00) 0....... "CHSYNC"
+ * COMK[6] "HREF pin output swap"
+ * = 0 (0x00) .0...... "HREF"
+ * COMK[5] "PCLK output selection"
+ * = 0 (0x00) ..0..... "PCLK always output"
+ * COMK[4] "PCLK edge selection"
+ * = 0 (0x00) ...0.... "Data valid on falling edge"
+ * COMK[3] "HREF output polarity"
+ * = 0 (0x00) ....0... "positive"
+ * COMK[2] "Reserved"
+ * = 0 (0x00) .....0..
+ * COMK[1] "VSYNC polarity"
+ * = 1 (0x01) ......1. "negative"
+ * COMK[0] "HSYNC polarity"
+ * = 0 (0x00) .......0 "positive"
+ */
+ { 0x15, 0x02 },
+
+ /*
+ * 33 CHLF "Current Control"
+ * = 9 (0x09) 00001001
+ * CHLF[7:6] "Sensor current control"
+ * = 0 (0x00) 00......
+ * CHLF[5] "Sensor current range control"
+ * = 0 (0x00) ..0..... "normal range"
+ * CHLF[4] "Sensor current"
+ * = 0 (0x00) ...0.... "normal current"
+ * CHLF[3] "Sensor buffer current control"
+ * = 1 (0x01) ....1... "half current"
+ * CHLF[2] "Column buffer current control"
+ * = 0 (0x00) .....0.. "normal current"
+ * CHLF[1] "Analog DSP current control"
+ * = 0 (0x00) ......0. "normal current"
+ * CHLF[1] "ADC current control"
+ * = 0 (0x00) ......0. "normal current"
+ */
+ { 0x33, 0x09 },
+
+ /*
+ * 34 VBLM "Blooming Control"
+ * = 80 (0x50) 01010000
+ * VBLM[7] "Hard soft reset switch"
+ * = 0 (0x00) 0....... "Hard reset"
+ * VBLM[6:4] "Blooming voltage selection"
+ * = 5 (0x05) .101....
+ * VBLM[3:0] "Sensor current control"
+ * = 0 (0x00) ....0000
+ */
+ { 0x34, 0x50 },
+
+ /*
+ * 36 VCHG "Sensor Precharge Voltage Control"
+ * = 0 (0x00) 00000000
+ * VCHG[7] "Reserved"
+ * = 0 (0x00) 0.......
+ * VCHG[6:4] "Sensor precharge voltage control"
+ * = 0 (0x00) .000....
+ * VCHG[3:0] "Sensor array common reference"
+ * = 0 (0x00) ....0000
+ */
+ { 0x36, 0x00 },
+
+ /*
+ * 37 ADC "ADC Reference Control"
+ * = 4 (0x04) 00000100
+ * ADC[7:4] "Reserved"
+ * = 0 (0x00) 0000....
+ * ADC[3] "ADC input signal range"
+ * = 0 (0x00) ....0... "Input signal 1.0x"
+ * ADC[2:0] "ADC range control"
+ * = 4 (0x04) .....100
+ */
+ { 0x37, 0x04 },
+
+ /*
+ * 38 ACOM "Analog Common Ground"
+ * = 82 (0x52) 01010010
+ * ACOM[7] "Analog gain control"
+ * = 0 (0x00) 0....... "Gain 1x"
+ * ACOM[6] "Analog black level calibration"
+ * = 1 (0x01) .1...... "On"
+ * ACOM[5:0] "Reserved"
+ * = 18 (0x12) ..010010
+ */
+ { 0x38, 0x52 },
+
+ /*
+ * 3A FREFA "Internal Reference Adjustment"
+ * = 0 (0x00) 00000000
+ * FREFA[7:0] "Range"
+ * = 0 (0x00) 00000000
+ */
+ { 0x3a, 0x00 },
+
+ /*
+ * 3C FVOPT "Internal Reference Adjustment"
+ * = 31 (0x1F) 00011111
+ * FVOPT[7:0] "Range"
+ * = 31 (0x1F) 00011111
+ */
+ { 0x3c, 0x1f },
+
+ /*
+ * 44 Undocumented = 0 (0x00) 00000000
+ * 44[7:0] "It's a secret"
+ * = 0 (0x00) 00000000
+ */
+ { 0x44, 0x00 },
+
+ /*
+ * 40 Undocumented = 0 (0x00) 00000000
+ * 40[7:0] "It's a secret"
+ * = 0 (0x00) 00000000
+ */
+ { 0x40, 0x00 },
+
+ /*
+ * 41 Undocumented = 0 (0x00) 00000000
+ * 41[7:0] "It's a secret"
+ * = 0 (0x00) 00000000
+ */
+ { 0x41, 0x00 },
+
+ /*
+ * 42 Undocumented = 0 (0x00) 00000000
+ * 42[7:0] "It's a secret"
+ * = 0 (0x00) 00000000
+ */
+ { 0x42, 0x00 },
+
+ /*
+ * 43 Undocumented = 0 (0x00) 00000000
+ * 43[7:0] "It's a secret"
+ * = 0 (0x00) 00000000
+ */
+ { 0x43, 0x00 },
+
+ /*
+ * 45 Undocumented = 128 (0x80) 10000000
+ * 45[7:0] "It's a secret"
+ * = 128 (0x80) 10000000
+ */
+ { 0x45, 0x80 },
+
+ /*
+ * 48 Undocumented = 192 (0xC0) 11000000
+ * 48[7:0] "It's a secret"
+ * = 192 (0xC0) 11000000
+ */
+ { 0x48, 0xc0 },
+
+ /*
+ * 49 Undocumented = 25 (0x19) 00011001
+ * 49[7:0] "It's a secret"
+ * = 25 (0x19) 00011001
+ */
+ { 0x49, 0x19 },
+
+ /*
+ * 4B Undocumented = 128 (0x80) 10000000
+ * 4B[7:0] "It's a secret"
+ * = 128 (0x80) 10000000
+ */
+ { 0x4b, 0x80 },
+
+ /*
+ * 4D Undocumented = 196 (0xC4) 11000100
+ * 4D[7:0] "It's a secret"
+ * = 196 (0xC4) 11000100
+ */
+ { 0x4d, 0xc4 },
+
+ /*
+ * 35 VREF "Reference Voltage Control"
+ * = 76 (0x4c) 01001100
+ * VREF[7:5] "Column high reference control"
+ * = 2 (0x02) 010..... "higher voltage"
+ * VREF[4:2] "Column low reference control"
+ * = 3 (0x03) ...011.. "Highest voltage"
+ * VREF[1:0] "Reserved"
+ * = 0 (0x00) ......00
+ */
+ { 0x35, 0x4c },
+
+ /*
+ * 3D Undocumented = 0 (0x00) 00000000
+ * 3D[7:0] "It's a secret"
+ * = 0 (0x00) 00000000
+ */
+ { 0x3d, 0x00 },
+
+ /*
+ * 3E Undocumented = 0 (0x00) 00000000
+ * 3E[7:0] "It's a secret"
+ * = 0 (0x00) 00000000
+ */
+ { 0x3e, 0x00 },
+
+ /*
+ * 3B FREFB "Internal Reference Adjustment"
+ * = 24 (0x18) 00011000
+ * FREFB[7:0] "Range"
+ * = 24 (0x18) 00011000
+ */
+ { 0x3b, 0x18 },
+
+ /*
+ * 33 CHLF "Current Control"
+ * = 25 (0x19) 00011001
+ * CHLF[7:6] "Sensor current control"
+ * = 0 (0x00) 00......
+ * CHLF[5] "Sensor current range control"
+ * = 0 (0x00) ..0..... "normal range"
+ * CHLF[4] "Sensor current"
+ * = 1 (0x01) ...1.... "double current"
+ * CHLF[3] "Sensor buffer current control"
+ * = 1 (0x01) ....1... "half current"
+ * CHLF[2] "Column buffer current control"
+ * = 0 (0x00) .....0.. "normal current"
+ * CHLF[1] "Analog DSP current control"
+ * = 0 (0x00) ......0. "normal current"
+ * CHLF[1] "ADC current control"
+ * = 0 (0x00) ......0. "normal current"
+ */
+ { 0x33, 0x19 },
+
+ /*
+ * 34 VBLM "Blooming Control"
+ * = 90 (0x5A) 01011010
+ * VBLM[7] "Hard soft reset switch"
+ * = 0 (0x00) 0....... "Hard reset"
+ * VBLM[6:4] "Blooming voltage selection"
+ * = 5 (0x05) .101....
+ * VBLM[3:0] "Sensor current control"
+ * = 10 (0x0A) ....1010
+ */
+ { 0x34, 0x5a },
+
+ /*
+ * 3B FREFB "Internal Reference Adjustment"
+ * = 0 (0x00) 00000000
+ * FREFB[7:0] "Range"
+ * = 0 (0x00) 00000000
+ */
+ { 0x3b, 0x00 },
+
+ /*
+ * 33 CHLF "Current Control"
+ * = 9 (0x09) 00001001
+ * CHLF[7:6] "Sensor current control"
+ * = 0 (0x00) 00......
+ * CHLF[5] "Sensor current range control"
+ * = 0 (0x00) ..0..... "normal range"
+ * CHLF[4] "Sensor current"
+ * = 0 (0x00) ...0.... "normal current"
+ * CHLF[3] "Sensor buffer current control"
+ * = 1 (0x01) ....1... "half current"
+ * CHLF[2] "Column buffer current control"
+ * = 0 (0x00) .....0.. "normal current"
+ * CHLF[1] "Analog DSP current control"
+ * = 0 (0x00) ......0. "normal current"
+ * CHLF[1] "ADC current control"
+ * = 0 (0x00) ......0. "normal current"
+ */
+ { 0x33, 0x09 },
+
+ /*
+ * 34 VBLM "Blooming Control"
+ * = 80 (0x50) 01010000
+ * VBLM[7] "Hard soft reset switch"
+ * = 0 (0x00) 0....... "Hard reset"
+ * VBLM[6:4] "Blooming voltage selection"
+ * = 5 (0x05) .101....
+ * VBLM[3:0] "Sensor current control"
+ * = 0 (0x00) ....0000
+ */
+ { 0x34, 0x50 },
+
+ /*
+ * 12 COMH "Common Control H"
+ * = 64 (0x40) 01000000
+ * COMH[7] "SRST"
+ * = 0 (0x00) 0....... "No-op"
+ * COMH[6:4] "Resolution selection"
+ * = 4 (0x04) .100.... "XGA"
+ * COMH[3] "Master slave selection"
+ * = 0 (0x00) ....0... "Master mode"
+ * COMH[2] "Internal B/R channel option"
+ * = 0 (0x00) .....0.. "B/R use same channel"
+ * COMH[1] "Color bar test pattern"
+ * = 0 (0x00) ......0. "Off"
+ * COMH[0] "Reserved"
+ * = 0 (0x00) .......0
+ */
+ { 0x12, 0x40 },
+
+ /*
+ * 17 HREFST "Horizontal window start"
+ * = 31 (0x1F) 00011111
+ * HREFST[7:0] "Horizontal window start, 8 MSBs"
+ * = 31 (0x1F) 00011111
+ */
+ { 0x17, 0x1f },
+
+ /*
+ * 18 HREFEND "Horizontal window end"
+ * = 95 (0x5F) 01011111
+ * HREFEND[7:0] "Horizontal Window End, 8 MSBs"
+ * = 95 (0x5F) 01011111
+ */
+ { 0x18, 0x5f },
+
+ /*
+ * 19 VSTRT "Vertical window start"
+ * = 0 (0x00) 00000000
+ * VSTRT[7:0] "Vertical Window Start, 8 MSBs"
+ * = 0 (0x00) 00000000
+ */
+ { 0x19, 0x00 },
+
+ /*
+ * 1A VEND "Vertical window end"
+ * = 96 (0x60) 01100000
+ * VEND[7:0] "Vertical Window End, 8 MSBs"
+ * = 96 (0x60) 01100000
+ */
+ { 0x1a, 0x60 },
+
+ /*
+ * 32 COMM "Common Control M"
+ * = 18 (0x12) 00010010
+ * COMM[7:6] "Pixel clock divide option"
+ * = 0 (0x00) 00...... "/1"
+ * COMM[5:3] "Horizontal window end position, 3 LSBs"
+ * = 2 (0x02) ..010...
+ * COMM[2:0] "Horizontal window start position, 3 LSBs"
+ * = 2 (0x02) .....010
+ */
+ { 0x32, 0x12 },
+
+ /*
+ * 03 COMA "Common Control A"
+ * = 74 (0x4A) 01001010
+ * COMA[7:4] "AWB Update Threshold"
+ * = 4 (0x04) 0100....
+ * COMA[3:2] "Vertical window end line control 2 LSBs"
+ * = 2 (0x02) ....10..
+ * COMA[1:0] "Vertical window start line control 2 LSBs"
+ * = 2 (0x02) ......10
+ */
+ { 0x03, 0x4a },
+
+ /*
+ * 11 CLKRC "Clock Rate Control"
+ * = 128 (0x80) 10000000
+ * CLKRC[7] "Internal frequency doublers on off seclection"
+ * = 1 (0x01) 1....... "On"
+ * CLKRC[6] "Digital video master slave selection"
+ * = 0 (0x00) .0...... "Master mode, sensor
+ * provides PCLK"
+ * CLKRC[5:0] "Clock divider { CLK = PCLK/(1+CLKRC[5:0]) }"
+ * = 0 (0x00) ..000000
+ */
+ { 0x11, 0x80 },
+
+ /*
+ * 12 COMH "Common Control H"
+ * = 0 (0x00) 00000000
+ * COMH[7] "SRST"
+ * = 0 (0x00) 0....... "No-op"
+ * COMH[6:4] "Resolution selection"
+ * = 0 (0x00) .000.... "QXGA"
+ * COMH[3] "Master slave selection"
+ * = 0 (0x00) ....0... "Master mode"
+ * COMH[2] "Internal B/R channel option"
+ * = 0 (0x00) .....0.. "B/R use same channel"
+ * COMH[1] "Color bar test pattern"
+ * = 0 (0x00) ......0. "Off"
+ * COMH[0] "Reserved"
+ * = 0 (0x00) .......0
+ */
+ { 0x12, 0x00 },
+
+ /*
+ * 12 COMH "Common Control H"
+ * = 64 (0x40) 01000000
+ * COMH[7] "SRST"
+ * = 0 (0x00) 0....... "No-op"
+ * COMH[6:4] "Resolution selection"
+ * = 4 (0x04) .100.... "XGA"
+ * COMH[3] "Master slave selection"
+ * = 0 (0x00) ....0... "Master mode"
+ * COMH[2] "Internal B/R channel option"
+ * = 0 (0x00) .....0.. "B/R use same channel"
+ * COMH[1] "Color bar test pattern"
+ * = 0 (0x00) ......0. "Off"
+ * COMH[0] "Reserved"
+ * = 0 (0x00) .......0
+ */
+ { 0x12, 0x40 },
+
+ /*
+ * 17 HREFST "Horizontal window start"
+ * = 31 (0x1F) 00011111
+ * HREFST[7:0] "Horizontal window start, 8 MSBs"
+ * = 31 (0x1F) 00011111
+ */
+ { 0x17, 0x1f },
+
+ /*
+ * 18 HREFEND "Horizontal window end"
+ * = 95 (0x5F) 01011111
+ * HREFEND[7:0] "Horizontal Window End, 8 MSBs"
+ * = 95 (0x5F) 01011111
+ */
+ { 0x18, 0x5f },
+
+ /*
+ * 19 VSTRT "Vertical window start"
+ * = 0 (0x00) 00000000
+ * VSTRT[7:0] "Vertical Window Start, 8 MSBs"
+ * = 0 (0x00) 00000000
+ */
+ { 0x19, 0x00 },
+
+ /*
+ * 1A VEND "Vertical window end"
+ * = 96 (0x60) 01100000
+ * VEND[7:0] "Vertical Window End, 8 MSBs"
+ * = 96 (0x60) 01100000
+ */
+ { 0x1a, 0x60 },
+
+ /*
+ * 32 COMM "Common Control M"
+ * = 18 (0x12) 00010010
+ * COMM[7:6] "Pixel clock divide option"
+ * = 0 (0x00) 00...... "/1"
+ * COMM[5:3] "Horizontal window end position, 3 LSBs"
+ * = 2 (0x02) ..010...
+ * COMM[2:0] "Horizontal window start position, 3 LSBs"
+ * = 2 (0x02) .....010
+ */
+ { 0x32, 0x12 },
+
+ /*
+ * 03 COMA "Common Control A"
+ * = 74 (0x4A) 01001010
+ * COMA[7:4] "AWB Update Threshold"
+ * = 4 (0x04) 0100....
+ * COMA[3:2] "Vertical window end line control 2 LSBs"
+ * = 2 (0x02) ....10..
+ * COMA[1:0] "Vertical window start line control 2 LSBs"
+ * = 2 (0x02) ......10
+ */
+ { 0x03, 0x4a },
+
+ /*
+ * 02 RED "Red Gain Control"
+ * = 175 (0xAF) 10101111
+ * RED[7] "Action"
+ * = 1 (0x01) 1....... "gain = 1/(1+bitrev([6:0]))"
+ * RED[6:0] "Value"
+ * = 47 (0x2F) .0101111
+ */
+ { 0x02, 0xaf },
+
+ /*
+ * 2D ADDVSL "VSYNC Pulse Width"
+ * = 210 (0xD2) 11010010
+ * ADDVSL[7:0] "VSYNC pulse width, LSB"
+ * = 210 (0xD2) 11010010
+ */
+ { 0x2d, 0xd2 },
+
+ /*
+ * 00 GAIN = 24 (0x18) 00011000
+ * GAIN[7:6] "Reserved"
+ * = 0 (0x00) 00......
+ * GAIN[5] "Double"
+ * = 0 (0x00) ..0..... "False"
+ * GAIN[4] "Double"
+ * = 1 (0x01) ...1.... "True"
+ * GAIN[3:0] "Range"
+ * = 8 (0x08) ....1000
+ */
+ { 0x00, 0x18 },
+
+ /*
+ * 01 BLUE "Blue Gain Control"
+ * = 240 (0xF0) 11110000
+ * BLUE[7] "Action"
+ * = 1 (0x01) 1....... "gain = 1/(1+bitrev([6:0]))"
+ * BLUE[6:0] "Value"
+ * = 112 (0x70) .1110000
+ */
+ { 0x01, 0xf0 },
+
+ /*
+ * 10 AEC "Automatic Exposure Control"
+ * = 10 (0x0A) 00001010
+ * AEC[7:0] "Automatic Exposure Control, 8 MSBs"
+ * = 10 (0x0A) 00001010
+ */
+ { 0x10, 0x0a },
+
+ { 0xe1, 0x67 },
+ { 0xe3, 0x03 },
+ { 0xe4, 0x26 },
+ { 0xe5, 0x3e },
+ { 0xf8, 0x01 },
+ { 0xff, 0x01 },
+};
+
+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, 0x85 },
+ { 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, 0xa0 }, /* Was 0x20, bit7 enables a 2x gain which we need */
+ { 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 },
+};
+
+/* 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[] = {
+ { 0x12, 0x80 }, /* reset */
+ { 0x00, 0x00 }, /* gain */
+ { 0x01, 0x80 }, /* blue gain */
+ { 0x02, 0x80 }, /* red gain */
+ { 0x03, 0xc0 }, /* OV7670_R03_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, 0x22 }, /* Was 0x20, bit1 enables a 2x gain which we need */
+ { 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 },
+};
+
+static const struct ov_regvals init_519_ov7660[] = {
+ { 0x5d, 0x03 }, /* Turn off suspend mode */
+ { 0x53, 0x9b }, /* 0x9f enables the (unused) microcontroller */
+ { 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 }, /* 0x0d does U <-> V swap */
+ { 0x21, 0x38 },
+ { 0x22, 0x1d },
+ { 0x17, 0x50 }, /* undocumented */
+ { 0x37, 0x00 }, /* undocumented */
+ { 0x40, 0xff }, /* I2C timeout counter */
+ { 0x46, 0x00 }, /* I2C clock prescaler */
+};
+static const struct ov_i2c_regvals norm_7660[] = {
+ {OV7670_R12_COM7, OV7670_COM7_RESET},
+ {OV7670_R11_CLKRC, 0x81},
+ {0x92, 0x00}, /* DM_LNL */
+ {0x93, 0x00}, /* DM_LNH */
+ {0x9d, 0x4c}, /* BD50ST */
+ {0x9e, 0x3f}, /* BD60ST */
+ {OV7670_R3B_COM11, 0x02},
+ {OV7670_R13_COM8, 0xf5},
+ {OV7670_R10_AECH, 0x00},
+ {OV7670_R00_GAIN, 0x00},
+ {OV7670_R01_BLUE, 0x7c},
+ {OV7670_R02_RED, 0x9d},
+ {OV7670_R12_COM7, 0x00},
+ {OV7670_R04_COM1, 00},
+ {OV7670_R18_HSTOP, 0x01},
+ {OV7670_R17_HSTART, 0x13},
+ {OV7670_R32_HREF, 0x92},
+ {OV7670_R19_VSTART, 0x02},
+ {OV7670_R1A_VSTOP, 0x7a},
+ {OV7670_R03_VREF, 0x00},
+ {OV7670_R0E_COM5, 0x04},
+ {OV7670_R0F_COM6, 0x62},
+ {OV7670_R15_COM10, 0x00},
+ {0x16, 0x02}, /* RSVD */
+ {0x1b, 0x00}, /* PSHFT */
+ {OV7670_R1E_MVFP, 0x01},
+ {0x29, 0x3c}, /* RSVD */
+ {0x33, 0x00}, /* CHLF */
+ {0x34, 0x07}, /* ARBLM */
+ {0x35, 0x84}, /* RSVD */
+ {0x36, 0x00}, /* RSVD */
+ {0x37, 0x04}, /* ADC */
+ {0x39, 0x43}, /* OFON */
+ {OV7670_R3A_TSLB, 0x00},
+ {OV7670_R3C_COM12, 0x6c},
+ {OV7670_R3D_COM13, 0x98},
+ {OV7670_R3F_EDGE, 0x23},
+ {OV7670_R40_COM15, 0xc1},
+ {OV7670_R41_COM16, 0x22},
+ {0x6b, 0x0a}, /* DBLV */
+ {0xa1, 0x08}, /* RSVD */
+ {0x69, 0x80}, /* HV */
+ {0x43, 0xf0}, /* RSVD.. */
+ {0x44, 0x10},
+ {0x45, 0x78},
+ {0x46, 0xa8},
+ {0x47, 0x60},
+ {0x48, 0x80},
+ {0x59, 0xba},
+ {0x5a, 0x9a},
+ {0x5b, 0x22},
+ {0x5c, 0xb9},
+ {0x5d, 0x9b},
+ {0x5e, 0x10},
+ {0x5f, 0xe0},
+ {0x60, 0x85},
+ {0x61, 0x60},
+ {0x9f, 0x9d}, /* RSVD */
+ {0xa0, 0xa0}, /* DSPC2 */
+ {0x4f, 0x60}, /* matrix */
+ {0x50, 0x64},
+ {0x51, 0x04},
+ {0x52, 0x18},
+ {0x53, 0x3c},
+ {0x54, 0x54},
+ {0x55, 0x40},
+ {0x56, 0x40},
+ {0x57, 0x40},
+ {0x58, 0x0d}, /* matrix sign */
+ {0x8b, 0xcc}, /* RSVD */
+ {0x8c, 0xcc},
+ {0x8d, 0xcf},
+ {0x6c, 0x40}, /* gamma curve */
+ {0x6d, 0xe0},
+ {0x6e, 0xa0},
+ {0x6f, 0x80},
+ {0x70, 0x70},
+ {0x71, 0x80},
+ {0x72, 0x60},
+ {0x73, 0x60},
+ {0x74, 0x50},
+ {0x75, 0x40},
+ {0x76, 0x38},
+ {0x77, 0x3c},
+ {0x78, 0x32},
+ {0x79, 0x1a},
+ {0x7a, 0x28},
+ {0x7b, 0x24},
+ {0x7c, 0x04}, /* gamma curve */
+ {0x7d, 0x12},
+ {0x7e, 0x26},
+ {0x7f, 0x46},
+ {0x80, 0x54},
+ {0x81, 0x64},
+ {0x82, 0x70},
+ {0x83, 0x7c},
+ {0x84, 0x86},
+ {0x85, 0x8e},
+ {0x86, 0x9c},
+ {0x87, 0xab},
+ {0x88, 0xc4},
+ {0x89, 0xd1},
+ {0x8a, 0xe5},
+ {OV7670_R14_COM9, 0x1e},
+ {OV7670_R24_AEW, 0x80},
+ {OV7670_R25_AEB, 0x72},
+ {OV7670_R26_VPT, 0xb3},
+ {0x62, 0x80}, /* LCC1 */
+ {0x63, 0x80}, /* LCC2 */
+ {0x64, 0x06}, /* LCC3 */
+ {0x65, 0x00}, /* LCC4 */
+ {0x66, 0x01}, /* LCC5 */
+ {0x94, 0x0e}, /* RSVD.. */
+ {0x95, 0x14},
+ {OV7670_R13_COM8, OV7670_COM8_FASTAEC
+ | OV7670_COM8_AECSTEP
+ | OV7670_COM8_BFILT
+ | 0x10
+ | OV7670_COM8_AGC
+ | OV7670_COM8_AWB
+ | OV7670_COM8_AEC},
+ {0xa1, 0xc8}
+};
+static const struct ov_i2c_regvals norm_9600[] = {
+ {0x12, 0x80},
+ {0x0c, 0x28},
+ {0x11, 0x80},
+ {0x13, 0xb5},
+ {0x14, 0x3e},
+ {0x1b, 0x04},
+ {0x24, 0xb0},
+ {0x25, 0x90},
+ {0x26, 0x94},
+ {0x35, 0x90},
+ {0x37, 0x07},
+ {0x38, 0x08},
+ {0x01, 0x8e},
+ {0x02, 0x85}
+};
+
+/* 7670. Defaults taken from OmniVision provided data,
+* as provided by Jonathan Corbet of OLPC */
+static const struct ov_i2c_regvals norm_7670[] = {
+ { OV7670_R12_COM7, OV7670_COM7_RESET },
+ { OV7670_R3A_TSLB, 0x04 }, /* OV */
+ { OV7670_R12_COM7, OV7670_COM7_FMT_VGA }, /* VGA */
+ { OV7670_R11_CLKRC, 0x01 },
+/*
+ * Set the hardware window. These values from OV don't entirely
+ * make sense - hstop is less than hstart. But they work...
+ */
+ { OV7670_R17_HSTART, 0x13 },
+ { OV7670_R18_HSTOP, 0x01 },
+ { OV7670_R32_HREF, 0xb6 },
+ { OV7670_R19_VSTART, 0x02 },
+ { OV7670_R1A_VSTOP, 0x7a },
+ { OV7670_R03_VREF, 0x0a },
+
+ { OV7670_R0C_COM3, 0x00 },
+ { OV7670_R3E_COM14, 0x00 },
+/* Mystery scaling numbers */
+ { 0x70, 0x3a },
+ { 0x71, 0x35 },
+ { 0x72, 0x11 },
+ { 0x73, 0xf0 },
+ { 0xa2, 0x02 },
+/* { OV7670_R15_COM10, 0x0 }, */
+
+/* Gamma curve values */
+ { 0x7a, 0x20 },
+ { 0x7b, 0x10 },
+ { 0x7c, 0x1e },
+ { 0x7d, 0x35 },
+ { 0x7e, 0x5a },
+ { 0x7f, 0x69 },
+ { 0x80, 0x76 },
+ { 0x81, 0x80 },
+ { 0x82, 0x88 },
+ { 0x83, 0x8f },
+ { 0x84, 0x96 },
+ { 0x85, 0xa3 },
+ { 0x86, 0xaf },
+ { 0x87, 0xc4 },
+ { 0x88, 0xd7 },
+ { 0x89, 0xe8 },
+
+/* AGC and AEC parameters. Note we start by disabling those features,
+ then turn them only after tweaking the values. */
+ { OV7670_R13_COM8, OV7670_COM8_FASTAEC
+ | OV7670_COM8_AECSTEP
+ | OV7670_COM8_BFILT },
+ { OV7670_R00_GAIN, 0x00 },
+ { OV7670_R10_AECH, 0x00 },
+ { OV7670_R0D_COM4, 0x40 }, /* magic reserved bit */
+ { OV7670_R14_COM9, 0x18 }, /* 4x gain + magic rsvd bit */
+ { OV7670_RA5_BD50MAX, 0x05 },
+ { OV7670_RAB_BD60MAX, 0x07 },
+ { OV7670_R24_AEW, 0x95 },
+ { OV7670_R25_AEB, 0x33 },
+ { OV7670_R26_VPT, 0xe3 },
+ { OV7670_R9F_HAECC1, 0x78 },
+ { OV7670_RA0_HAECC2, 0x68 },
+ { 0xa1, 0x03 }, /* magic */
+ { OV7670_RA6_HAECC3, 0xd8 },
+ { OV7670_RA7_HAECC4, 0xd8 },
+ { OV7670_RA8_HAECC5, 0xf0 },
+ { OV7670_RA9_HAECC6, 0x90 },
+ { OV7670_RAA_HAECC7, 0x94 },
+ { OV7670_R13_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_R0E_COM5, 0x61 },
+ { OV7670_R0F_COM6, 0x4b },
+ { 0x16, 0x02 },
+ { OV7670_R1E_MVFP, 0x07 },
+ { 0x21, 0x02 },
+ { 0x22, 0x91 },
+ { 0x29, 0x07 },
+ { 0x33, 0x0b },
+ { 0x35, 0x0b },
+ { 0x37, 0x1d },
+ { 0x38, 0x71 },
+ { 0x39, 0x2a },
+ { OV7670_R3C_COM12, 0x78 },
+ { 0x4d, 0x40 },
+ { 0x4e, 0x20 },
+ { OV7670_R69_GFIX, 0x00 },
+ { 0x6b, 0x4a },
+ { 0x74, 0x10 },
+ { 0x8d, 0x4f },
+ { 0x8e, 0x00 },
+ { 0x8f, 0x00 },
+ { 0x90, 0x00 },
+ { 0x91, 0x00 },
+ { 0x96, 0x00 },
+ { 0x9a, 0x00 },
+ { 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_R01_BLUE, 0x40 },
+ { OV7670_R02_RED, 0x60 },
+ { OV7670_R13_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, 0x00 },
+ { 0x52, 0x22 },
+ { 0x53, 0x5e },
+ { 0x54, 0x80 },
+ { 0x58, 0x9e },
+
+ { OV7670_R41_COM16, OV7670_COM16_AWBGAIN },
+ { OV7670_R3F_EDGE, 0x00 },
+ { 0x75, 0x05 },
+ { 0x76, 0xe1 },
+ { 0x4c, 0x00 },
+ { 0x77, 0x01 },
+ { OV7670_R3D_COM13, OV7670_COM13_GAMMA
+ | OV7670_COM13_UVSAT
+ | 2}, /* was 3 */
+ { 0x4b, 0x09 },
+ { 0xc9, 0x60 },
+ { OV7670_R41_COM16, 0x38 },
+ { 0x56, 0x40 },
+
+ { 0x34, 0x11 },
+ { OV7670_R3B_COM11, OV7670_COM11_EXP|OV7670_COM11_HZAUTO },
+ { 0xa4, 0x88 },
+ { 0x96, 0x00 },
+ { 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 },
+};
+
+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 */
+};
+
+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 void reg_w(struct sd *sd, u16 index, u16 value)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int ret, req = 0;
+
+ if (sd->gspca_dev.usb_err < 0)
+ return;
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ req = 2;
+ break;
+ case BRIDGE_OVFX2:
+ req = 0x0a;
+ /* fall through */
+ case BRIDGE_W9968CF:
+ PDEBUG(D_USBO, "SET %02x %04x %04x",
+ req, value, index);
+ ret = usb_control_msg(sd->gspca_dev.dev,
+ usb_sndctrlpipe(sd->gspca_dev.dev, 0),
+ req,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, index, NULL, 0, 500);
+ goto leave;
+ default:
+ req = 1;
+ }
+
+ PDEBUG(D_USBO, "SET %02x 0000 %04x %02x",
+ req, index, value);
+ sd->gspca_dev.usb_buf[0] = value;
+ ret = usb_control_msg(sd->gspca_dev.dev,
+ usb_sndctrlpipe(sd->gspca_dev.dev, 0),
+ req,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, index,
+ sd->gspca_dev.usb_buf, 1, 500);
+leave:
+ if (ret < 0) {
+ PERR("reg_w %02x failed %d\n", index, ret);
+ sd->gspca_dev.usb_err = ret;
+ return;
+ }
+}
+
+/* Read from a OV519 register, note not valid for the w9968cf!! */
+/* returns: negative is error, pos or zero is data */
+static int reg_r(struct sd *sd, u16 index)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int ret;
+ int req;
+
+ if (sd->gspca_dev.usb_err < 0)
+ return -1;
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ req = 3;
+ break;
+ case BRIDGE_OVFX2:
+ req = 0x0b;
+ break;
+ default:
+ req = 1;
+ }
+
+ ret = usb_control_msg(sd->gspca_dev.dev,
+ usb_rcvctrlpipe(sd->gspca_dev.dev, 0),
+ req,
+ 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];
+ PDEBUG(D_USBI, "GET %02x 0000 %04x %02x",
+ req, index, ret);
+ } else {
+ PERR("reg_r %02x failed %d\n", index, ret);
+ sd->gspca_dev.usb_err = ret;
+ }
+
+ return ret;
+}
+
+/* Read 8 values from a OV519 register */
+static int reg_r8(struct sd *sd,
+ u16 index)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int ret;
+
+ if (sd->gspca_dev.usb_err < 0)
+ return -1;
+
+ 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 {
+ PERR("reg_r8 %02x failed %d\n", index, ret);
+ sd->gspca_dev.usb_err = ret;
+ }
+
+ 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 void 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;
+
+ oldval = ret & ~mask; /* Clear the masked bits */
+ value |= oldval; /* Set the desired bits */
+ }
+ reg_w(sd, index, value);
+}
+
+/*
+ * Writes multiple (n) byte value to a single register. Only valid with certain
+ * registers (0x30 and 0xc4 - 0xce).
+ */
+static void ov518_reg_w32(struct sd *sd, u16 index, u32 value, int n)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int ret;
+
+ if (sd->gspca_dev.usb_err < 0)
+ return;
+
+ *((__le32 *) sd->gspca_dev.usb_buf) = __cpu_to_le32(value);
+
+ ret = usb_control_msg(sd->gspca_dev.dev,
+ usb_sndctrlpipe(sd->gspca_dev.dev, 0),
+ 1 /* REG_IO */,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, index,
+ sd->gspca_dev.usb_buf, n, 500);
+ if (ret < 0) {
+ PERR("reg_w32 %02x failed %d\n", index, ret);
+ sd->gspca_dev.usb_err = ret;
+ }
+}
+
+static void ov511_i2c_w(struct sd *sd, u8 reg, u8 value)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int rc, retries;
+
+ PDEBUG(D_USBO, "ov511_i2c_w %02x %02x", reg, value);
+
+ /* Three byte write cycle */
+ for (retries = 6; ; ) {
+ /* Select camera register */
+ reg_w(sd, R51x_I2C_SADDR_3, reg);
+
+ /* Write "value" to I2C data port of OV511 */
+ reg_w(sd, R51x_I2C_DATA, value);
+
+ /* Initiate 3-byte write cycle */
+ reg_w(sd, R511_I2C_CTL, 0x01);
+
+ do {
+ rc = reg_r(sd, R511_I2C_CTL);
+ } while (rc > 0 && ((rc & 1) == 0)); /* Retry until idle */
+
+ if (rc < 0)
+ return;
+
+ if ((rc & 2) == 0) /* Ack? */
+ break;
+ if (--retries < 0) {
+ PDEBUG(D_USBO, "i2c write retries exhausted");
+ return;
+ }
+ }
+}
+
+static int ov511_i2c_r(struct sd *sd, u8 reg)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int rc, value, retries;
+
+ /* Two byte write cycle */
+ for (retries = 6; ; ) {
+ /* Select camera register */
+ reg_w(sd, R51x_I2C_SADDR_2, reg);
+
+ /* Initiate 2-byte write cycle */
+ reg_w(sd, R511_I2C_CTL, 0x03);
+
+ 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 */
+ reg_w(sd, R511_I2C_CTL, 0x05);
+
+ 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 read retries exhausted");
+ return -1;
+ }
+ }
+
+ value = reg_r(sd, R51x_I2C_DATA);
+
+ PDEBUG(D_USBI, "ov511_i2c_r %02x %02x", reg, value);
+
+ /* This is needed to make i2c_w() work */
+ reg_w(sd, R511_I2C_CTL, 0x05);
+
+ 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 void ov518_i2c_w(struct sd *sd,
+ u8 reg,
+ u8 value)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+
+ PDEBUG(D_USBO, "ov518_i2c_w %02x %02x", reg, value);
+
+ /* Select camera register */
+ reg_w(sd, R51x_I2C_SADDR_3, reg);
+
+ /* Write "value" to I2C data port of OV511 */
+ reg_w(sd, R51x_I2C_DATA, value);
+
+ /* Initiate 3-byte write cycle */
+ reg_w(sd, R518_I2C_CTL, 0x01);
+
+ /* wait for write complete */
+ msleep(4);
+ 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 ov518_i2c_r(struct sd *sd, u8 reg)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int value;
+
+ /* Select camera register */
+ reg_w(sd, R51x_I2C_SADDR_2, reg);
+
+ /* Initiate 2-byte write cycle */
+ reg_w(sd, R518_I2C_CTL, 0x03);
+ reg_r8(sd, R518_I2C_CTL);
+
+ /* Initiate 2-byte read cycle */
+ reg_w(sd, R518_I2C_CTL, 0x05);
+ reg_r8(sd, R518_I2C_CTL);
+
+ value = reg_r(sd, R51x_I2C_DATA);
+ PDEBUG(D_USBI, "ov518_i2c_r %02x %02x", reg, value);
+ return value;
+}
+
+static void ovfx2_i2c_w(struct sd *sd, u8 reg, u8 value)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int ret;
+
+ if (sd->gspca_dev.usb_err < 0)
+ return;
+
+ ret = usb_control_msg(sd->gspca_dev.dev,
+ usb_sndctrlpipe(sd->gspca_dev.dev, 0),
+ 0x02,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ (u16) value, (u16) reg, NULL, 0, 500);
+
+ if (ret < 0) {
+ PERR("ovfx2_i2c_w %02x failed %d\n", reg, ret);
+ sd->gspca_dev.usb_err = ret;
+ }
+
+ PDEBUG(D_USBO, "ovfx2_i2c_w %02x %02x", reg, value);
+}
+
+static int ovfx2_i2c_r(struct sd *sd, u8 reg)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int ret;
+
+ if (sd->gspca_dev.usb_err < 0)
+ return -1;
+
+ ret = usb_control_msg(sd->gspca_dev.dev,
+ usb_rcvctrlpipe(sd->gspca_dev.dev, 0),
+ 0x03,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, (u16) reg, sd->gspca_dev.usb_buf, 1, 500);
+
+ if (ret >= 0) {
+ ret = sd->gspca_dev.usb_buf[0];
+ PDEBUG(D_USBI, "ovfx2_i2c_r %02x %02x", reg, ret);
+ } else {
+ PERR("ovfx2_i2c_r %02x failed %d\n", reg, ret);
+ sd->gspca_dev.usb_err = ret;
+ }
+
+ return ret;
+}
+
+static void i2c_w(struct sd *sd, u8 reg, u8 value)
+{
+ if (sd->sensor_reg_cache[reg] == value)
+ return;
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ ov511_i2c_w(sd, reg, value);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ case BRIDGE_OV519:
+ ov518_i2c_w(sd, reg, value);
+ break;
+ case BRIDGE_OVFX2:
+ ovfx2_i2c_w(sd, reg, value);
+ break;
+ case BRIDGE_W9968CF:
+ w9968cf_i2c_w(sd, reg, value);
+ break;
+ }
+
+ if (sd->gspca_dev.usb_err >= 0) {
+ /* Up on sensor reset empty the register cache */
+ if (reg == 0x12 && (value & 0x80))
+ memset(sd->sensor_reg_cache, -1,
+ sizeof(sd->sensor_reg_cache));
+ else
+ sd->sensor_reg_cache[reg] = value;
+ }
+}
+
+static int i2c_r(struct sd *sd, u8 reg)
+{
+ int ret = -1;
+
+ if (sd->sensor_reg_cache[reg] != -1)
+ return sd->sensor_reg_cache[reg];
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ ret = ov511_i2c_r(sd, reg);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ case BRIDGE_OV519:
+ ret = ov518_i2c_r(sd, reg);
+ break;
+ case BRIDGE_OVFX2:
+ ret = ovfx2_i2c_r(sd, reg);
+ break;
+ case BRIDGE_W9968CF:
+ ret = w9968cf_i2c_r(sd, reg);
+ break;
+ }
+
+ if (ret >= 0)
+ sd->sensor_reg_cache[reg] = ret;
+
+ return ret;
+}
+
+/* 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 void 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;
+ oldval = rc & ~mask; /* Clear the masked bits */
+ value |= oldval; /* Set the desired bits */
+ i2c_w(sd, reg, value);
+}
+
+/* Temporarily stops OV511 from functioning. Must do this before changing
+ * registers while the camera is streaming */
+static inline void ov51x_stop(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+
+ PDEBUG(D_STREAM, "stopping");
+ sd->stopped = 1;
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ reg_w(sd, R51x_SYS_RESET, 0x3d);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ reg_w_mask(sd, R51x_SYS_RESET, 0x3a, 0x3a);
+ break;
+ case BRIDGE_OV519:
+ reg_w(sd, OV519_R51_RESET1, 0x0f);
+ reg_w(sd, OV519_R51_RESET1, 0x00);
+ reg_w(sd, 0x22, 0x00); /* FRAR */
+ break;
+ case BRIDGE_OVFX2:
+ reg_w_mask(sd, 0x0f, 0x00, 0x02);
+ break;
+ case BRIDGE_W9968CF:
+ reg_w(sd, 0x3c, 0x0a05); /* stop USB transfer */
+ break;
+ }
+}
+
+/* Restarts OV511 after ov511_stop() is called. Has no effect if it is not
+ * actually stopped (for performance). */
+static inline void ov51x_restart(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+
+ PDEBUG(D_STREAM, "restarting");
+ if (!sd->stopped)
+ return;
+ sd->stopped = 0;
+
+ /* Reinitialize the stream */
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ reg_w(sd, R51x_SYS_RESET, 0x00);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ reg_w(sd, 0x2f, 0x80);
+ reg_w(sd, R51x_SYS_RESET, 0x00);
+ break;
+ case BRIDGE_OV519:
+ reg_w(sd, OV519_R51_RESET1, 0x0f);
+ reg_w(sd, OV519_R51_RESET1, 0x00);
+ reg_w(sd, 0x22, 0x1d); /* FRAR */
+ break;
+ case BRIDGE_OVFX2:
+ reg_w_mask(sd, 0x0f, 0x02, 0x02);
+ break;
+ case BRIDGE_W9968CF:
+ reg_w(sd, 0x3c, 0x8a05); /* USB FIFO enable */
+ break;
+ }
+}
+
+static void ov51x_set_slave_ids(struct sd *sd, u8 slave);
+
+/* 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, u8 slave)
+{
+ int i;
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+
+ ov51x_set_slave_ids(sd, slave);
+
+ /* Reset the sensor */
+ i2c_w(sd, 0x12, 0x80);
+
+ /* Wait for it to initialize */
+ msleep(150);
+
+ for (i = 0; i < i2c_detect_tries; i++) {
+ if (i2c_r(sd, OV7610_REG_ID_HIGH) == 0x7f &&
+ i2c_r(sd, OV7610_REG_ID_LOW) == 0xa2) {
+ PDEBUG(D_PROBE, "I2C synced in %d attempt(s)", i);
+ return 0;
+ }
+
+ /* Reset the sensor */
+ i2c_w(sd, 0x12, 0x80);
+
+ /* Wait for it to initialize */
+ msleep(150);
+
+ /* Dummy read to sync I2C */
+ if (i2c_r(sd, 0x00) < 0)
+ return -1;
+ }
+ return -1;
+}
+
+/* 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 void ov51x_set_slave_ids(struct sd *sd,
+ u8 slave)
+{
+ switch (sd->bridge) {
+ case BRIDGE_OVFX2:
+ reg_w(sd, OVFX2_I2C_ADDR, slave);
+ return;
+ case BRIDGE_W9968CF:
+ sd->sensor_addr = slave;
+ return;
+ }
+
+ reg_w(sd, R51x_I2C_W_SID, slave);
+ reg_w(sd, R51x_I2C_R_SID, slave + 1);
+}
+
+static void write_regvals(struct sd *sd,
+ const struct ov_regvals *regvals,
+ int n)
+{
+ while (--n >= 0) {
+ reg_w(sd, regvals->reg, regvals->val);
+ regvals++;
+ }
+}
+
+static void write_i2c_regvals(struct sd *sd,
+ const struct ov_i2c_regvals *regvals,
+ int n)
+{
+ while (--n >= 0) {
+ i2c_w(sd, regvals->reg, regvals->val);
+ regvals++;
+ }
+}
+
+/****************************************************************************
+ *
+ * OV511 and sensor configuration
+ *
+ ***************************************************************************/
+
+/* This initializes the OV2x10 / OV3610 / OV3620 / OV9600 */
+static void ov_hires_configure(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int high, low;
+
+ if (sd->bridge != BRIDGE_OVFX2) {
+ PERR("error hires sensors only supported with ovfx2\n");
+ return;
+ }
+
+ PDEBUG(D_PROBE, "starting ov hires configuration");
+
+ /* Detect sensor (sub)type */
+ high = i2c_r(sd, 0x0a);
+ low = i2c_r(sd, 0x0b);
+ /* info("%x, %x", high, low); */
+ switch (high) {
+ case 0x96:
+ switch (low) {
+ case 0x40:
+ PDEBUG(D_PROBE, "Sensor is a OV2610");
+ sd->sensor = SEN_OV2610;
+ return;
+ case 0x41:
+ PDEBUG(D_PROBE, "Sensor is a OV2610AE");
+ sd->sensor = SEN_OV2610AE;
+ return;
+ case 0xb1:
+ PDEBUG(D_PROBE, "Sensor is a OV9600");
+ sd->sensor = SEN_OV9600;
+ return;
+ }
+ break;
+ case 0x36:
+ if ((low & 0x0f) == 0x00) {
+ PDEBUG(D_PROBE, "Sensor is a OV3610");
+ sd->sensor = SEN_OV3610;
+ return;
+ }
+ break;
+ }
+ PERR("Error unknown sensor type: %02x%02x\n", high, low);
+}
+
+/* This initializes the OV8110, OV8610 sensor. The OV8110 uses
+ * the same register settings as the OV8610, since they are very similar.
+ */
+static void ov8xx0_configure(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int rc;
+
+ PDEBUG(D_PROBE, "starting ov8xx0 configuration");
+
+ /* Detect sensor (sub)type */
+ rc = i2c_r(sd, OV7610_REG_COM_I);
+ if (rc < 0) {
+ PERR("Error detecting sensor type");
+ return;
+ }
+ if ((rc & 3) == 1)
+ sd->sensor = SEN_OV8610;
+ else
+ PERR("Unknown image sensor version: %d\n", rc & 3);
+}
+
+/* This initializes the OV7610, OV7620, or OV76BE sensor. The OV76BE uses
+ * the same register settings as the OV7610, since they are very similar.
+ */
+static void ov7xx0_configure(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int rc, high, low;
+
+ PDEBUG(D_PROBE, "starting OV7xx0 configuration");
+
+ /* Detect sensor (sub)type */
+ rc = i2c_r(sd, OV7610_REG_COM_I);
+
+ /* add OV7670 here
+ * it appears to be wrongly detected as a 7610 by default */
+ if (rc < 0) {
+ PERR("Error detecting sensor type\n");
+ return;
+ }
+ 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 & 0xf0) == 0x70) {
+ PDEBUG(D_PROBE, "Sensor is an OV76%02x", low);
+ 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");
+ sd->sensor = SEN_OV7620AE;
+ } else {
+ PDEBUG(D_PROBE, "Sensor is an OV76BE");
+ sd->sensor = SEN_OV76BE;
+ }
+ } else if ((rc & 3) == 0) {
+ /* try to read product id registers */
+ high = i2c_r(sd, 0x0a);
+ if (high < 0) {
+ PERR("Error detecting camera chip PID\n");
+ return;
+ }
+ low = i2c_r(sd, 0x0b);
+ if (low < 0) {
+ PERR("Error detecting camera chip VER\n");
+ return;
+ }
+ if (high == 0x76) {
+ switch (low) {
+ case 0x30:
+ PERR("Sensor is an OV7630/OV7635\n");
+ PERR("7630 is not supported by this driver\n");
+ return;
+ case 0x40:
+ PDEBUG(D_PROBE, "Sensor is an OV7645");
+ sd->sensor = SEN_OV7640; /* FIXME */
+ break;
+ case 0x45:
+ PDEBUG(D_PROBE, "Sensor is an OV7645B");
+ sd->sensor = SEN_OV7640; /* FIXME */
+ break;
+ case 0x48:
+ PDEBUG(D_PROBE, "Sensor is an OV7648");
+ sd->sensor = SEN_OV7648;
+ break;
+ case 0x60:
+ PDEBUG(D_PROBE, "Sensor is a OV7660");
+ sd->sensor = SEN_OV7660;
+ break;
+ default:
+ PERR("Unknown sensor: 0x76%02x\n", low);
+ return;
+ }
+ } else {
+ PDEBUG(D_PROBE, "Sensor is an OV7620");
+ sd->sensor = SEN_OV7620;
+ }
+ } else {
+ PERR("Unknown image sensor version: %d\n", rc & 3);
+ }
+}
+
+/* This initializes the OV6620, OV6630, OV6630AE, or OV6630AF sensor. */
+static void ov6xx0_configure(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int rc;
+
+ PDEBUG(D_PROBE, "starting OV6xx0 configuration");
+
+ /* Detect sensor (sub)type */
+ rc = i2c_r(sd, OV7610_REG_COM_I);
+ if (rc < 0) {
+ PERR("Error detecting sensor type\n");
+ return;
+ }
+
+ /* Ugh. The first two bits are the version bits, but
+ * the entire register value must be used. I guess OVT
+ * underestimated how many variants they would make. */
+ switch (rc) {
+ case 0x00:
+ sd->sensor = SEN_OV6630;
+ pr_warn("WARNING: Sensor is an OV66308. Your camera may have been misdetected in previous driver versions.\n");
+ break;
+ case 0x01:
+ sd->sensor = SEN_OV6620;
+ PDEBUG(D_PROBE, "Sensor is an OV6620");
+ break;
+ case 0x02:
+ sd->sensor = SEN_OV6630;
+ PDEBUG(D_PROBE, "Sensor is an OV66308AE");
+ break;
+ case 0x03:
+ sd->sensor = SEN_OV66308AF;
+ PDEBUG(D_PROBE, "Sensor is an OV66308AF");
+ break;
+ case 0x90:
+ sd->sensor = SEN_OV6630;
+ pr_warn("WARNING: Sensor is an OV66307. Your camera may have been misdetected in previous driver versions.\n");
+ break;
+ default:
+ PERR("FATAL: Unknown sensor version: 0x%02x\n", rc);
+ return;
+ }
+
+ /* Set sensor-specific vars */
+ sd->sif = 1;
+}
+
+/* Turns on or off the LED. Only has an effect with OV511+/OV518(+)/OV519 */
+static void ov51x_led_control(struct sd *sd, int on)
+{
+ if (sd->invert_led)
+ on = !on;
+
+ switch (sd->bridge) {
+ /* OV511 has no LED control */
+ case BRIDGE_OV511PLUS:
+ reg_w(sd, R511_SYS_LED_CTL, on);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ reg_w_mask(sd, R518_GPIO_OUT, 0x02 * on, 0x02);
+ break;
+ case BRIDGE_OV519:
+ reg_w_mask(sd, OV519_GPIO_DATA_OUT0, on, 1);
+ break;
+ }
+}
+
+static void sd_reset_snapshot(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (!sd->snapshot_needs_reset)
+ return;
+
+ /* Note it is important that we clear sd->snapshot_needs_reset,
+ before actually clearing the snapshot state in the bridge
+ otherwise we might race with the pkt_scan interrupt handler */
+ sd->snapshot_needs_reset = 0;
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ reg_w(sd, R51x_SYS_SNAP, 0x02);
+ reg_w(sd, R51x_SYS_SNAP, 0x00);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ reg_w(sd, R51x_SYS_SNAP, 0x02); /* Reset */
+ reg_w(sd, R51x_SYS_SNAP, 0x01); /* Enable */
+ break;
+ case BRIDGE_OV519:
+ reg_w(sd, R51x_SYS_RESET, 0x40);
+ reg_w(sd, R51x_SYS_RESET, 0x00);
+ break;
+ }
+}
+
+static void 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,
+ 6, 6, 6, 6, 7, 7, 7, 8,
+ 7, 7, 6, 7, 7, 7, 8, 8
+ };
+ const unsigned char uvQuanTable518[] = {
+ 6, 6, 6, 7, 7, 7, 7, 7,
+ 6, 6, 6, 7, 7, 7, 7, 7,
+ 6, 6, 6, 7, 7, 7, 7, 8,
+ 7, 7, 7, 7, 7, 7, 8, 8
+ };
+
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ const unsigned char *pYTable, *pUVTable;
+ unsigned char val0, val1;
+ int i, size, reg = R51x_COMP_LUT_BEGIN;
+
+ PDEBUG(D_PROBE, "Uploading quantization tables");
+
+ 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;
+ val1 &= 0x0f;
+ val0 |= val1 << 4;
+ reg_w(sd, reg, val0);
+
+ val0 = *pUVTable++;
+ val1 = *pUVTable++;
+ val0 &= 0x0f;
+ val1 &= 0x0f;
+ val0 |= val1 << 4;
+ reg_w(sd, reg + size, val0);
+
+ reg++;
+ }
+}
+
+/* This initializes the OV511/OV511+ and the sensor */
+static void ov511_configure(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ /* 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));
+
+ write_regvals(sd, init_511, ARRAY_SIZE(init_511));
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ write_regvals(sd, norm_511, ARRAY_SIZE(norm_511));
+ break;
+ case BRIDGE_OV511PLUS:
+ write_regvals(sd, norm_511_p, ARRAY_SIZE(norm_511_p));
+ break;
+ }
+
+ /* Init compression */
+ write_regvals(sd, compress_511, ARRAY_SIZE(compress_511));
+
+ ov51x_upload_quan_tables(sd);
+}
+
+/* This initializes the OV518/OV518+ and the sensor */
+static void ov518_configure(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ /* For 518 and 518+ */
+ const struct ov_regvals init_518[] = {
+ { R51x_SYS_RESET, 0x40 },
+ { R51x_SYS_INIT, 0xe1 },
+ { R51x_SYS_RESET, 0x3e },
+ { R51x_SYS_INIT, 0xe1 },
+ { R51x_SYS_RESET, 0x00 },
+ { R51x_SYS_INIT, 0xe1 },
+ { 0x46, 0x00 },
+ { 0x5d, 0x03 },
+ };
+
+ const struct ov_regvals norm_518[] = {
+ { R51x_SYS_SNAP, 0x02 }, /* Reset */
+ { R51x_SYS_SNAP, 0x01 }, /* Enable */
+ { 0x31, 0x0f },
+ { 0x5d, 0x03 },
+ { 0x24, 0x9f },
+ { 0x25, 0x90 },
+ { 0x20, 0x00 },
+ { 0x51, 0x04 },
+ { 0x71, 0x19 },
+ { 0x2f, 0x80 },
+ };
+
+ const struct ov_regvals norm_518_p[] = {
+ { R51x_SYS_SNAP, 0x02 }, /* Reset */
+ { R51x_SYS_SNAP, 0x01 }, /* Enable */
+ { 0x31, 0x0f },
+ { 0x5d, 0x03 },
+ { 0x24, 0x9f },
+ { 0x25, 0x90 },
+ { 0x20, 0x60 },
+ { 0x51, 0x02 },
+ { 0x71, 0x19 },
+ { 0x40, 0xff },
+ { 0x41, 0x42 },
+ { 0x46, 0x00 },
+ { 0x33, 0x04 },
+ { 0x21, 0x19 },
+ { 0x3f, 0x10 },
+ { 0x2f, 0x80 },
+ };
+
+ /* First 5 bits of custom ID reg are a revision ID on OV518 */
+ sd->revision = reg_r(sd, R51x_SYS_CUST_ID) & 0x1f;
+ PDEBUG(D_PROBE, "Device revision %d", sd->revision);
+
+ write_regvals(sd, init_518, ARRAY_SIZE(init_518));
+
+ /* Set LED GPIO pin to output mode */
+ reg_w_mask(sd, R518_GPIO_CTL, 0x00, 0x02);
+
+ switch (sd->bridge) {
+ case BRIDGE_OV518:
+ write_regvals(sd, norm_518, ARRAY_SIZE(norm_518));
+ break;
+ case BRIDGE_OV518PLUS:
+ write_regvals(sd, norm_518_p, ARRAY_SIZE(norm_518_p));
+ break;
+ }
+
+ ov51x_upload_quan_tables(sd);
+
+ reg_w(sd, 0x2f, 0x80);
+}
+
+static void ov519_configure(struct sd *sd)
+{
+ static const struct ov_regvals init_519[] = {
+ { 0x5a, 0x6d }, /* EnableSystem */
+ { 0x53, 0x9b }, /* don't enable the microcontroller */
+ { OV519_R54_EN_CLK1, 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 },
+ { OV519_R51_RESET1, 0x0f },
+ { OV519_R51_RESET1, 0x00 },
+ { 0x22, 0x00 },
+ /* windows reads 0x55 at this point*/
+ };
+
+ write_regvals(sd, init_519, ARRAY_SIZE(init_519));
+}
+
+static void ovfx2_configure(struct sd *sd)
+{
+ static const struct ov_regvals init_fx2[] = {
+ { 0x00, 0x60 },
+ { 0x02, 0x01 },
+ { 0x0f, 0x1d },
+ { 0xe9, 0x82 },
+ { 0xea, 0xc7 },
+ { 0xeb, 0x10 },
+ { 0xec, 0xf6 },
+ };
+
+ sd->stopped = 1;
+
+ write_regvals(sd, init_fx2, ARRAY_SIZE(init_fx2));
+}
+
+/* set the mode */
+/* This function works for ov7660 only */
+static void ov519_set_mode(struct sd *sd)
+{
+ static const struct ov_regvals bridge_ov7660[2][10] = {
+ {{0x10, 0x14}, {0x11, 0x1e}, {0x12, 0x00}, {0x13, 0x00},
+ {0x14, 0x00}, {0x15, 0x00}, {0x16, 0x00}, {0x20, 0x0c},
+ {0x25, 0x01}, {0x26, 0x00}},
+ {{0x10, 0x28}, {0x11, 0x3c}, {0x12, 0x00}, {0x13, 0x00},
+ {0x14, 0x00}, {0x15, 0x00}, {0x16, 0x00}, {0x20, 0x0c},
+ {0x25, 0x03}, {0x26, 0x00}}
+ };
+ static const struct ov_i2c_regvals sensor_ov7660[2][3] = {
+ {{0x12, 0x00}, {0x24, 0x00}, {0x0c, 0x0c}},
+ {{0x12, 0x00}, {0x04, 0x00}, {0x0c, 0x00}}
+ };
+ static const struct ov_i2c_regvals sensor_ov7660_2[] = {
+ {OV7670_R17_HSTART, 0x13},
+ {OV7670_R18_HSTOP, 0x01},
+ {OV7670_R32_HREF, 0x92},
+ {OV7670_R19_VSTART, 0x02},
+ {OV7670_R1A_VSTOP, 0x7a},
+ {OV7670_R03_VREF, 0x00},
+/* {0x33, 0x00}, */
+/* {0x34, 0x07}, */
+/* {0x36, 0x00}, */
+/* {0x6b, 0x0a}, */
+ };
+
+ write_regvals(sd, bridge_ov7660[sd->gspca_dev.curr_mode],
+ ARRAY_SIZE(bridge_ov7660[0]));
+ write_i2c_regvals(sd, sensor_ov7660[sd->gspca_dev.curr_mode],
+ ARRAY_SIZE(sensor_ov7660[0]));
+ write_i2c_regvals(sd, sensor_ov7660_2,
+ ARRAY_SIZE(sensor_ov7660_2));
+}
+
+/* set the frame rate */
+/* This function works for sensors ov7640, ov7648 ov7660 and ov7670 only */
+static void ov519_set_fr(struct sd *sd)
+{
+ int fr;
+ u8 clock;
+ /* frame rate table with indices:
+ * - mode = 0: 320x240, 1: 640x480
+ * - fr rate = 0: 30, 1: 25, 2: 20, 3: 15, 4: 10, 5: 5
+ * - reg = 0: bridge a4, 1: bridge 23, 2: sensor 11 (clock)
+ */
+ static const u8 fr_tb[2][6][3] = {
+ {{0x04, 0xff, 0x00},
+ {0x04, 0x1f, 0x00},
+ {0x04, 0x1b, 0x00},
+ {0x04, 0x15, 0x00},
+ {0x04, 0x09, 0x00},
+ {0x04, 0x01, 0x00}},
+ {{0x0c, 0xff, 0x00},
+ {0x0c, 0x1f, 0x00},
+ {0x0c, 0x1b, 0x00},
+ {0x04, 0xff, 0x01},
+ {0x04, 0x1f, 0x01},
+ {0x04, 0x1b, 0x01}},
+ };
+
+ if (frame_rate > 0)
+ sd->frame_rate = frame_rate;
+ if (sd->frame_rate >= 30)
+ fr = 0;
+ else if (sd->frame_rate >= 25)
+ fr = 1;
+ else if (sd->frame_rate >= 20)
+ fr = 2;
+ else if (sd->frame_rate >= 15)
+ fr = 3;
+ else if (sd->frame_rate >= 10)
+ fr = 4;
+ else
+ fr = 5;
+ reg_w(sd, 0xa4, fr_tb[sd->gspca_dev.curr_mode][fr][0]);
+ reg_w(sd, 0x23, fr_tb[sd->gspca_dev.curr_mode][fr][1]);
+ clock = fr_tb[sd->gspca_dev.curr_mode][fr][2];
+ if (sd->sensor == SEN_OV7660)
+ clock |= 0x80; /* enable double clock */
+ ov518_i2c_w(sd, OV7670_R11_CLKRC, clock);
+}
+
+static void setautogain(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ i2c_w_mask(sd, 0x13, val ? 0x05 : 0x00, 0x05);
+}
+
+/* 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 = &gspca_dev->cam;
+
+ sd->bridge = id->driver_info & BRIDGE_MASK;
+ sd->invert_led = (id->driver_info & BRIDGE_INVERT_LED) != 0;
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ cam->cam_mode = ov511_vga_mode;
+ cam->nmodes = ARRAY_SIZE(ov511_vga_mode);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ cam->cam_mode = ov518_vga_mode;
+ cam->nmodes = ARRAY_SIZE(ov518_vga_mode);
+ break;
+ case BRIDGE_OV519:
+ cam->cam_mode = ov519_vga_mode;
+ cam->nmodes = ARRAY_SIZE(ov519_vga_mode);
+ break;
+ case BRIDGE_OVFX2:
+ cam->cam_mode = ov519_vga_mode;
+ cam->nmodes = ARRAY_SIZE(ov519_vga_mode);
+ cam->bulk_size = OVFX2_BULK_SIZE;
+ cam->bulk_nurbs = MAX_NURBS;
+ cam->bulk = 1;
+ break;
+ case BRIDGE_W9968CF:
+ cam->cam_mode = w9968cf_vga_mode;
+ cam->nmodes = ARRAY_SIZE(w9968cf_vga_mode);
+ break;
+ }
+
+ sd->frame_rate = 15;
+
+ return 0;
+}
+
+/* this function is called at probe and resume time */
+static int sd_init(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct cam *cam = &gspca_dev->cam;
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ ov511_configure(gspca_dev);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ ov518_configure(gspca_dev);
+ break;
+ case BRIDGE_OV519:
+ ov519_configure(sd);
+ break;
+ case BRIDGE_OVFX2:
+ ovfx2_configure(sd);
+ break;
+ case BRIDGE_W9968CF:
+ w9968cf_configure(sd);
+ break;
+ }
+
+ /* 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 */
+ sd->sensor = -1;
+
+ /* Test for 76xx */
+ if (init_ov_sensor(sd, OV7xx0_SID) >= 0) {
+ ov7xx0_configure(sd);
+
+ /* Test for 6xx0 */
+ } else if (init_ov_sensor(sd, OV6xx0_SID) >= 0) {
+ ov6xx0_configure(sd);
+
+ /* Test for 8xx0 */
+ } else if (init_ov_sensor(sd, OV8xx0_SID) >= 0) {
+ ov8xx0_configure(sd);
+
+ /* Test for 3xxx / 2xxx */
+ } else if (init_ov_sensor(sd, OV_HIRES_SID) >= 0) {
+ ov_hires_configure(sd);
+ } else {
+ PERR("Can't determine sensor slave IDs\n");
+ goto error;
+ }
+
+ if (sd->sensor < 0)
+ goto error;
+
+ ov51x_led_control(sd, 0); /* turn LED off */
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ if (sd->sif) {
+ cam->cam_mode = ov511_sif_mode;
+ cam->nmodes = ARRAY_SIZE(ov511_sif_mode);
+ }
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ if (sd->sif) {
+ cam->cam_mode = ov518_sif_mode;
+ cam->nmodes = ARRAY_SIZE(ov518_sif_mode);
+ }
+ break;
+ case BRIDGE_OV519:
+ if (sd->sif) {
+ cam->cam_mode = ov519_sif_mode;
+ cam->nmodes = ARRAY_SIZE(ov519_sif_mode);
+ }
+ break;
+ case BRIDGE_OVFX2:
+ switch (sd->sensor) {
+ case SEN_OV2610:
+ case SEN_OV2610AE:
+ cam->cam_mode = ovfx2_ov2610_mode;
+ cam->nmodes = ARRAY_SIZE(ovfx2_ov2610_mode);
+ break;
+ case SEN_OV3610:
+ cam->cam_mode = ovfx2_ov3610_mode;
+ cam->nmodes = ARRAY_SIZE(ovfx2_ov3610_mode);
+ break;
+ case SEN_OV9600:
+ cam->cam_mode = ovfx2_ov9600_mode;
+ cam->nmodes = ARRAY_SIZE(ovfx2_ov9600_mode);
+ break;
+ default:
+ if (sd->sif) {
+ cam->cam_mode = ov519_sif_mode;
+ cam->nmodes = ARRAY_SIZE(ov519_sif_mode);
+ }
+ break;
+ }
+ break;
+ case BRIDGE_W9968CF:
+ if (sd->sif)
+ cam->nmodes = ARRAY_SIZE(w9968cf_vga_mode) - 1;
+
+ /* w9968cf needs initialisation once the sensor is known */
+ w9968cf_init(sd);
+ break;
+ }
+
+ /* initialize the sensor */
+ switch (sd->sensor) {
+ case SEN_OV2610:
+ write_i2c_regvals(sd, norm_2610, ARRAY_SIZE(norm_2610));
+
+ /* Enable autogain, autoexpo, awb, bandfilter */
+ i2c_w_mask(sd, 0x13, 0x27, 0x27);
+ break;
+ case SEN_OV2610AE:
+ write_i2c_regvals(sd, norm_2610ae, ARRAY_SIZE(norm_2610ae));
+
+ /* enable autoexpo */
+ i2c_w_mask(sd, 0x13, 0x05, 0x05);
+ break;
+ case SEN_OV3610:
+ write_i2c_regvals(sd, norm_3620b, ARRAY_SIZE(norm_3620b));
+
+ /* Enable autogain, autoexpo, awb, bandfilter */
+ i2c_w_mask(sd, 0x13, 0x27, 0x27);
+ break;
+ case SEN_OV6620:
+ write_i2c_regvals(sd, norm_6x20, ARRAY_SIZE(norm_6x20));
+ break;
+ case SEN_OV6630:
+ case SEN_OV66308AF:
+ write_i2c_regvals(sd, norm_6x30, ARRAY_SIZE(norm_6x30));
+ break;
+ default:
+/* case SEN_OV7610: */
+/* case SEN_OV76BE: */
+ write_i2c_regvals(sd, norm_7610, ARRAY_SIZE(norm_7610));
+ i2c_w_mask(sd, 0x0e, 0x00, 0x40);
+ break;
+ case SEN_OV7620:
+ case SEN_OV7620AE:
+ write_i2c_regvals(sd, norm_7620, ARRAY_SIZE(norm_7620));
+ break;
+ case SEN_OV7640:
+ case SEN_OV7648:
+ write_i2c_regvals(sd, norm_7640, ARRAY_SIZE(norm_7640));
+ break;
+ case SEN_OV7660:
+ i2c_w(sd, OV7670_R12_COM7, OV7670_COM7_RESET);
+ msleep(14);
+ reg_w(sd, OV519_R57_SNAPSHOT, 0x23);
+ write_regvals(sd, init_519_ov7660,
+ ARRAY_SIZE(init_519_ov7660));
+ write_i2c_regvals(sd, norm_7660, ARRAY_SIZE(norm_7660));
+ sd->gspca_dev.curr_mode = 1; /* 640x480 */
+ ov519_set_mode(sd);
+ ov519_set_fr(sd);
+ sd_reset_snapshot(gspca_dev);
+ ov51x_restart(sd);
+ ov51x_stop(sd); /* not in win traces */
+ ov51x_led_control(sd, 0);
+ break;
+ case SEN_OV7670:
+ write_i2c_regvals(sd, norm_7670, ARRAY_SIZE(norm_7670));
+ break;
+ case SEN_OV8610:
+ write_i2c_regvals(sd, norm_8610, ARRAY_SIZE(norm_8610));
+ break;
+ case SEN_OV9600:
+ write_i2c_regvals(sd, norm_9600, ARRAY_SIZE(norm_9600));
+
+ /* enable autoexpo */
+/* i2c_w_mask(sd, 0x13, 0x05, 0x05); */
+ break;
+ }
+ return gspca_dev->usb_err;
+error:
+ PERR("OV519 Config failed");
+ return -EINVAL;
+}
+
+/* function called at start time before URB creation */
+static int sd_isoc_init(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ switch (sd->bridge) {
+ case BRIDGE_OVFX2:
+ if (gspca_dev->pixfmt.width != 800)
+ gspca_dev->cam.bulk_size = OVFX2_BULK_SIZE;
+ else
+ gspca_dev->cam.bulk_size = 7 * 4096;
+ break;
+ }
+ 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 void ov511_mode_init_regs(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)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) {
+ PERR("Couldn't get altsetting\n");
+ sd->gspca_dev.usb_err = -EIO;
+ return;
+ }
+
+ 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.pixfmt.width >> 3) - 1;
+ vsegs = (sd->gspca_dev.pixfmt.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_OV7620AE:
+ case SEN_OV7640:
+ case SEN_OV7648:
+ case SEN_OV76BE:
+ if (sd->gspca_dev.pixfmt.width == 320)
+ interlaced = 1;
+ /* Fall through */
+ case SEN_OV6630:
+ 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.pixfmt.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.pixfmt.width *
+ sd->gspca_dev.pixfmt.height * 3 / 2;
+ /* 1000 isoc packets/sec */
+ if (needed > 1000 * 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);
+}
+
+/* Sets up the OV518/OV518+ with the given image parameters
+ *
+ * OV518 needs a completely different approach, until we can figure out what
+ * the individual registers do. Also, only 15 FPS is supported now.
+ *
+ * Do not put any sensor-specific code in here (including I2C I/O functions)
+ */
+static void ov518_mode_init_regs(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int hsegs, vsegs, packet_size;
+ 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) {
+ PERR("Couldn't get altsetting\n");
+ sd->gspca_dev.usb_err = -EIO;
+ return;
+ }
+
+ packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+ ov518_reg_w32(sd, R51x_FIFO_PSIZE, packet_size & ~7, 2);
+
+ /******** Set the mode ********/
+ reg_w(sd, 0x2b, 0);
+ reg_w(sd, 0x2c, 0);
+ reg_w(sd, 0x2d, 0);
+ reg_w(sd, 0x2e, 0);
+ reg_w(sd, 0x3b, 0);
+ reg_w(sd, 0x3c, 0);
+ reg_w(sd, 0x3d, 0);
+ reg_w(sd, 0x3e, 0);
+
+ if (sd->bridge == BRIDGE_OV518) {
+ /* Set 8-bit (YVYU) input format */
+ reg_w_mask(sd, 0x20, 0x08, 0x08);
+
+ /* Set 12-bit (4:2:0) output format */
+ reg_w_mask(sd, 0x28, 0x80, 0xf0);
+ reg_w_mask(sd, 0x38, 0x80, 0xf0);
+ } else {
+ reg_w(sd, 0x28, 0x80);
+ reg_w(sd, 0x38, 0x80);
+ }
+
+ hsegs = sd->gspca_dev.pixfmt.width / 16;
+ vsegs = sd->gspca_dev.pixfmt.height / 4;
+
+ reg_w(sd, 0x29, hsegs);
+ reg_w(sd, 0x2a, vsegs);
+
+ reg_w(sd, 0x39, hsegs);
+ reg_w(sd, 0x3a, vsegs);
+
+ /* Windows driver does this here; who knows why */
+ reg_w(sd, 0x2f, 0x80);
+
+ /******** Set the framerate ********/
+ if (sd->bridge == BRIDGE_OV518PLUS && sd->revision == 0 &&
+ sd->sensor == SEN_OV7620AE)
+ sd->clockdiv = 0;
+ else
+ sd->clockdiv = 1;
+
+ /* Mode independent, but framerate dependent, regs */
+ /* 0x51: Clock divider; Only works on some cams which use 2 crystals */
+ reg_w(sd, 0x51, 0x04);
+ reg_w(sd, 0x22, 0x18);
+ reg_w(sd, 0x23, 0xff);
+
+ if (sd->bridge == BRIDGE_OV518PLUS) {
+ switch (sd->sensor) {
+ case SEN_OV7620AE:
+ /*
+ * HdG: 640x480 needs special handling on device
+ * revision 2, we check for device revison > 0 to
+ * avoid regressions, as we don't know the correct
+ * thing todo for revision 1.
+ *
+ * Also this likely means we don't need to
+ * differentiate between the OV7620 and OV7620AE,
+ * earlier testing hitting this same problem likely
+ * happened to be with revision < 2 cams using an
+ * OV7620 and revision 2 cams using an OV7620AE.
+ */
+ if (sd->revision > 0 &&
+ sd->gspca_dev.pixfmt.width == 640) {
+ reg_w(sd, 0x20, 0x60);
+ reg_w(sd, 0x21, 0x1f);
+ } else {
+ reg_w(sd, 0x20, 0x00);
+ reg_w(sd, 0x21, 0x19);
+ }
+ break;
+ case SEN_OV7620:
+ reg_w(sd, 0x20, 0x00);
+ reg_w(sd, 0x21, 0x19);
+ break;
+ default:
+ reg_w(sd, 0x21, 0x19);
+ }
+ } else
+ reg_w(sd, 0x71, 0x17); /* Compression-related? */
+
+ /* FIXME: Sensor-specific */
+ /* Bit 5 is what matters here. Of course, it is "reserved" */
+ i2c_w(sd, 0x54, 0x23);
+
+ reg_w(sd, 0x2f, 0x80);
+
+ if (sd->bridge == BRIDGE_OV518PLUS) {
+ reg_w(sd, 0x24, 0x94);
+ reg_w(sd, 0x25, 0x90);
+ ov518_reg_w32(sd, 0xc4, 400, 2); /* 190h */
+ ov518_reg_w32(sd, 0xc6, 540, 2); /* 21ch */
+ ov518_reg_w32(sd, 0xc7, 540, 2); /* 21ch */
+ ov518_reg_w32(sd, 0xc8, 108, 2); /* 6ch */
+ ov518_reg_w32(sd, 0xca, 131098, 3); /* 2001ah */
+ ov518_reg_w32(sd, 0xcb, 532, 2); /* 214h */
+ ov518_reg_w32(sd, 0xcc, 2400, 2); /* 960h */
+ ov518_reg_w32(sd, 0xcd, 32, 2); /* 20h */
+ ov518_reg_w32(sd, 0xce, 608, 2); /* 260h */
+ } else {
+ reg_w(sd, 0x24, 0x9f);
+ reg_w(sd, 0x25, 0x90);
+ ov518_reg_w32(sd, 0xc4, 400, 2); /* 190h */
+ ov518_reg_w32(sd, 0xc6, 381, 2); /* 17dh */
+ ov518_reg_w32(sd, 0xc7, 381, 2); /* 17dh */
+ ov518_reg_w32(sd, 0xc8, 128, 2); /* 80h */
+ ov518_reg_w32(sd, 0xca, 183331, 3); /* 2cc23h */
+ ov518_reg_w32(sd, 0xcb, 746, 2); /* 2eah */
+ ov518_reg_w32(sd, 0xcc, 1750, 2); /* 6d6h */
+ ov518_reg_w32(sd, 0xcd, 45, 2); /* 2dh */
+ ov518_reg_w32(sd, 0xce, 851, 2); /* 353h */
+ }
+
+ reg_w(sd, 0x2f, 0x80);
+}
+
+/* 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 void ov519_mode_init_regs(struct sd *sd)
+{
+ static const struct ov_regvals mode_init_519_ov7670[] = {
+ { 0x5d, 0x03 }, /* Turn off suspend mode */
+ { 0x53, 0x9f }, /* was 9b in 1.65-1.08 */
+ { OV519_R54_EN_CLK1, 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 */
+ { OV519_R54_EN_CLK1, 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? */
+ };
+
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+
+ /******** Set the mode ********/
+ switch (sd->sensor) {
+ default:
+ write_regvals(sd, mode_init_519, ARRAY_SIZE(mode_init_519));
+ if (sd->sensor == SEN_OV7640 ||
+ sd->sensor == SEN_OV7648) {
+ /* Select 8-bit input mode */
+ reg_w_mask(sd, OV519_R20_DFR, 0x10, 0x10);
+ }
+ break;
+ case SEN_OV7660:
+ return; /* done by ov519_set_mode/fr() */
+ case SEN_OV7670:
+ write_regvals(sd, mode_init_519_ov7670,
+ ARRAY_SIZE(mode_init_519_ov7670));
+ break;
+ }
+
+ reg_w(sd, OV519_R10_H_SIZE, sd->gspca_dev.pixfmt.width >> 4);
+ reg_w(sd, OV519_R11_V_SIZE, sd->gspca_dev.pixfmt.height >> 3);
+ if (sd->sensor == SEN_OV7670 &&
+ sd->gspca_dev.cam.cam_mode[sd->gspca_dev.curr_mode].priv)
+ reg_w(sd, OV519_R12_X_OFFSETL, 0x04);
+ else if (sd->sensor == SEN_OV7648 &&
+ sd->gspca_dev.cam.cam_mode[sd->gspca_dev.curr_mode].priv)
+ reg_w(sd, OV519_R12_X_OFFSETL, 0x01);
+ else
+ reg_w(sd, OV519_R12_X_OFFSETL, 0x00);
+ reg_w(sd, OV519_R13_X_OFFSETH, 0x00);
+ reg_w(sd, OV519_R14_Y_OFFSETL, 0x00);
+ reg_w(sd, OV519_R15_Y_OFFSETH, 0x00);
+ reg_w(sd, OV519_R16_DIVIDER, 0x00);
+ reg_w(sd, OV519_R25_FORMAT, 0x03); /* YUV422 */
+ reg_w(sd, 0x26, 0x00); /* Undocumented */
+
+ /******** Set the framerate ********/
+ if (frame_rate > 0)
+ sd->frame_rate = frame_rate;
+
+/* FIXME: These are only valid at the max resolution. */
+ sd->clockdiv = 0;
+ switch (sd->sensor) {
+ case SEN_OV7640:
+ case SEN_OV7648:
+ switch (sd->frame_rate) {
+ default:
+/* 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;
+ case 15:
+ reg_w(sd, 0xa4, 0x04);
+ reg_w(sd, 0x23, 0xff);
+ sd->clockdiv = 1;
+ break;
+ case 10:
+ reg_w(sd, 0xa4, 0x04);
+ reg_w(sd, 0x23, 0x1f);
+ sd->clockdiv = 1;
+ break;
+ case 5:
+ reg_w(sd, 0xa4, 0x04);
+ reg_w(sd, 0x23, 0x1b);
+ sd->clockdiv = 1;
+ break;
+ }
+ break;
+ case SEN_OV8610:
+ switch (sd->frame_rate) {
+ default: /* 15 fps */
+/* case 15: */
+ reg_w(sd, 0xa4, 0x06);
+ reg_w(sd, 0x23, 0xff);
+ break;
+ case 10:
+ reg_w(sd, 0xa4, 0x06);
+ reg_w(sd, 0x23, 0x1f);
+ break;
+ case 5:
+ reg_w(sd, 0xa4, 0x06);
+ reg_w(sd, 0x23, 0x1b);
+ break;
+ }
+ break;
+ case SEN_OV7670: /* guesses, based on 7640 */
+ PDEBUG(D_STREAM, "Setting framerate to %d fps",
+ (sd->frame_rate == 0) ? 15 : sd->frame_rate);
+ reg_w(sd, 0xa4, 0x10);
+ switch (sd->frame_rate) {
+ case 30:
+ reg_w(sd, 0x23, 0xff);
+ break;
+ case 20:
+ reg_w(sd, 0x23, 0x1b);
+ break;
+ default:
+/* case 15: */
+ reg_w(sd, 0x23, 0xff);
+ sd->clockdiv = 1;
+ break;
+ }
+ break;
+ }
+}
+
+static void mode_init_ov_sensor_regs(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
+ int qvga, xstart, xend, ystart, yend;
+ u8 v;
+
+ qvga = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv & 1;
+
+ /******** Mode (VGA/QVGA) and sensor specific regs ********/
+ switch (sd->sensor) {
+ case SEN_OV2610:
+ 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);
+ return;
+ case SEN_OV2610AE: {
+ u8 v;
+
+ /* frame rates:
+ * 10fps / 5 fps for 1600x1200
+ * 40fps / 20fps for 800x600
+ */
+ v = 80;
+ if (qvga) {
+ if (sd->frame_rate < 25)
+ v = 0x81;
+ } else {
+ if (sd->frame_rate < 10)
+ v = 0x81;
+ }
+ i2c_w(sd, 0x11, v);
+ i2c_w(sd, 0x12, qvga ? 0x60 : 0x20);
+ return;
+ }
+ case SEN_OV3610:
+ if (qvga) {
+ xstart = (1040 - gspca_dev->pixfmt.width) / 2 +
+ (0x1f << 4);
+ ystart = (776 - gspca_dev->pixfmt.height) / 2;
+ } else {
+ xstart = (2076 - gspca_dev->pixfmt.width) / 2 +
+ (0x10 << 4);
+ ystart = (1544 - gspca_dev->pixfmt.height) / 2;
+ }
+ xend = xstart + gspca_dev->pixfmt.width;
+ yend = ystart + gspca_dev->pixfmt.height;
+ /* Writing to the COMH register resets the other windowing regs
+ to their default values, so we must do this first. */
+ i2c_w_mask(sd, 0x12, qvga ? 0x40 : 0x00, 0xf0);
+ i2c_w_mask(sd, 0x32,
+ (((xend >> 1) & 7) << 3) | ((xstart >> 1) & 7),
+ 0x3f);
+ i2c_w_mask(sd, 0x03,
+ (((yend >> 1) & 3) << 2) | ((ystart >> 1) & 3),
+ 0x0f);
+ i2c_w(sd, 0x17, xstart >> 4);
+ i2c_w(sd, 0x18, xend >> 4);
+ i2c_w(sd, 0x19, ystart >> 3);
+ i2c_w(sd, 0x1a, yend >> 3);
+ return;
+ case SEN_OV8610:
+ /* For OV8610 qvga means qsvga */
+ i2c_w_mask(sd, OV7610_REG_COM_C, qvga ? (1 << 5) : 0, 1 << 5);
+ i2c_w_mask(sd, 0x13, 0x00, 0x20); /* Select 16 bit data bus */
+ i2c_w_mask(sd, 0x12, 0x04, 0x06); /* AWB: 1 Test pattern: 0 */
+ i2c_w_mask(sd, 0x2d, 0x00, 0x40); /* from windrv 090403 */
+ i2c_w_mask(sd, 0x28, 0x20, 0x20); /* progressive mode on */
+ break;
+ case SEN_OV7610:
+ i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
+ i2c_w(sd, 0x35, qvga ? 0x1e : 0x9e);
+ i2c_w_mask(sd, 0x13, 0x00, 0x20); /* Select 16 bit data bus */
+ i2c_w_mask(sd, 0x12, 0x04, 0x06); /* AWB: 1 Test pattern: 0 */
+ break;
+ case SEN_OV7620:
+ case SEN_OV7620AE:
+ case SEN_OV76BE:
+ 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 ? 0xb0 : 0x90, 0xf0);
+ i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20);
+ i2c_w_mask(sd, 0x13, 0x00, 0x20); /* Select 16 bit data bus */
+ i2c_w_mask(sd, 0x12, 0x04, 0x06); /* AWB: 1 Test pattern: 0 */
+ if (sd->sensor == SEN_OV76BE)
+ i2c_w(sd, 0x35, qvga ? 0x1e : 0x9e);
+ break;
+ case SEN_OV7640:
+ case SEN_OV7648:
+ i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
+ i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
+ /* Setting this undocumented bit in qvga mode removes a very
+ annoying vertical shaking of the image */
+ i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40);
+ /* Unknown */
+ i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0);
+ /* Allow higher automatic gain (to allow higher framerates) */
+ i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20);
+ i2c_w_mask(sd, 0x12, 0x04, 0x04); /* AWB: 1 */
+ 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_R12_COM7,
+ qvga ? OV7670_COM7_FMT_QVGA : OV7670_COM7_FMT_VGA,
+ OV7670_COM7_FMT_MASK);
+ i2c_w_mask(sd, 0x13, 0x00, 0x20); /* Select 16 bit data bus */
+ i2c_w_mask(sd, OV7670_R13_COM8, OV7670_COM8_AWB,
+ OV7670_COM8_AWB);
+ if (qvga) { /* QVGA from ov7670.c by
+ * Jonathan Corbet */
+ xstart = 164;
+ xend = 28;
+ ystart = 14;
+ yend = 494;
+ } else { /* VGA */
+ xstart = 158;
+ xend = 14;
+ ystart = 10;
+ yend = 490;
+ }
+ /* OV7670 hardware window registers are split across
+ * multiple locations */
+ i2c_w(sd, OV7670_R17_HSTART, xstart >> 3);
+ i2c_w(sd, OV7670_R18_HSTOP, xend >> 3);
+ v = i2c_r(sd, OV7670_R32_HREF);
+ v = (v & 0xc0) | ((xend & 0x7) << 3) | (xstart & 0x07);
+ msleep(10); /* need to sleep between read and write to
+ * same reg! */
+ i2c_w(sd, OV7670_R32_HREF, v);
+
+ i2c_w(sd, OV7670_R19_VSTART, ystart >> 2);
+ i2c_w(sd, OV7670_R1A_VSTOP, yend >> 2);
+ v = i2c_r(sd, OV7670_R03_VREF);
+ v = (v & 0xc0) | ((yend & 0x3) << 2) | (ystart & 0x03);
+ msleep(10); /* need to sleep between read and write to
+ * same reg! */
+ i2c_w(sd, OV7670_R03_VREF, v);
+ break;
+ case SEN_OV6620:
+ i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
+ i2c_w_mask(sd, 0x13, 0x00, 0x20); /* Select 16 bit data bus */
+ i2c_w_mask(sd, 0x12, 0x04, 0x06); /* AWB: 1 Test pattern: 0 */
+ break;
+ case SEN_OV6630:
+ case SEN_OV66308AF:
+ i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
+ i2c_w_mask(sd, 0x12, 0x04, 0x06); /* AWB: 1 Test pattern: 0 */
+ break;
+ case SEN_OV9600: {
+ const struct ov_i2c_regvals *vals;
+ static const struct ov_i2c_regvals sxga_15[] = {
+ {0x11, 0x80}, {0x14, 0x3e}, {0x24, 0x85}, {0x25, 0x75}
+ };
+ static const struct ov_i2c_regvals sxga_7_5[] = {
+ {0x11, 0x81}, {0x14, 0x3e}, {0x24, 0x85}, {0x25, 0x75}
+ };
+ static const struct ov_i2c_regvals vga_30[] = {
+ {0x11, 0x81}, {0x14, 0x7e}, {0x24, 0x70}, {0x25, 0x60}
+ };
+ static const struct ov_i2c_regvals vga_15[] = {
+ {0x11, 0x83}, {0x14, 0x3e}, {0x24, 0x80}, {0x25, 0x70}
+ };
+
+ /* frame rates:
+ * 15fps / 7.5 fps for 1280x1024
+ * 30fps / 15fps for 640x480
+ */
+ i2c_w_mask(sd, 0x12, qvga ? 0x40 : 0x00, 0x40);
+ if (qvga)
+ vals = sd->frame_rate < 30 ? vga_15 : vga_30;
+ else
+ vals = sd->frame_rate < 15 ? sxga_7_5 : sxga_15;
+ write_i2c_regvals(sd, vals, ARRAY_SIZE(sxga_15));
+ return;
+ }
+ default:
+ return;
+ }
+
+ /******** Clock programming ********/
+ i2c_w(sd, 0x11, sd->clockdiv);
+}
+
+/* this function works for bridge ov519 and sensors ov7660 and ov7670 only */
+static void sethvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->gspca_dev.streaming)
+ reg_w(sd, OV519_R51_RESET1, 0x0f); /* block stream */
+ i2c_w_mask(sd, OV7670_R1E_MVFP,
+ OV7670_MVFP_MIRROR * hflip | OV7670_MVFP_VFLIP * vflip,
+ OV7670_MVFP_MIRROR | OV7670_MVFP_VFLIP);
+ if (sd->gspca_dev.streaming)
+ reg_w(sd, OV519_R51_RESET1, 0x00); /* restart stream */
+}
+
+static void set_ov_sensor_window(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev;
+ int qvga, crop;
+ int hwsbase, hwebase, vwsbase, vwebase, hwscale, vwscale;
+
+ /* mode setup is fully handled in mode_init_ov_sensor_regs for these */
+ switch (sd->sensor) {
+ case SEN_OV2610:
+ case SEN_OV2610AE:
+ case SEN_OV3610:
+ case SEN_OV7670:
+ case SEN_OV9600:
+ mode_init_ov_sensor_regs(sd);
+ return;
+ case SEN_OV7660:
+ ov519_set_mode(sd);
+ ov519_set_fr(sd);
+ return;
+ }
+
+ gspca_dev = &sd->gspca_dev;
+ qvga = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv & 1;
+ crop = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv & 2;
+
+ /* 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:
+ case SEN_OV66308AF:
+ hwsbase = 0x38;
+ hwebase = 0x3a;
+ vwsbase = 0x05;
+ vwebase = 0x06;
+ if (sd->sensor == SEN_OV66308AF && qvga)
+ /* HDG: this fixes U and V getting swapped */
+ hwsbase++;
+ if (crop) {
+ hwsbase += 8;
+ hwebase += 8;
+ vwsbase += 11;
+ vwebase += 11;
+ }
+ break;
+ case SEN_OV7620:
+ case SEN_OV7620AE:
+ hwsbase = 0x2f; /* From 7620.SET (spec is wrong) */
+ hwebase = 0x2f;
+ vwsbase = vwebase = 0x05;
+ break;
+ case SEN_OV7640:
+ case SEN_OV7648:
+ hwsbase = 0x1a;
+ hwebase = 0x1a;
+ vwsbase = vwebase = 0x03;
+ break;
+ default:
+ return;
+ }
+
+ switch (sd->sensor) {
+ case SEN_OV6620:
+ case SEN_OV6630:
+ case SEN_OV66308AF:
+ if (qvga) { /* QCIF */
+ hwscale = 0;
+ vwscale = 0;
+ } else { /* CIF */
+ hwscale = 1;
+ vwscale = 1; /* The datasheet says 0;
+ * it's wrong */
+ }
+ break;
+ case SEN_OV8610:
+ if (qvga) { /* QSVGA */
+ hwscale = 1;
+ vwscale = 1;
+ } else { /* SVGA */
+ hwscale = 2;
+ vwscale = 2;
+ }
+ break;
+ default: /* SEN_OV7xx0 */
+ if (qvga) { /* QVGA */
+ hwscale = 1;
+ vwscale = 0;
+ } else { /* VGA */
+ hwscale = 2;
+ vwscale = 1;
+ }
+ }
+
+ mode_init_ov_sensor_regs(sd);
+
+ i2c_w(sd, 0x17, hwsbase);
+ i2c_w(sd, 0x18, hwebase + (sd->sensor_width >> hwscale));
+ i2c_w(sd, 0x19, vwsbase);
+ i2c_w(sd, 0x1a, vwebase + (sd->sensor_height >> vwscale));
+}
+
+/* -- start the camera -- */
+static int sd_start(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ /* Default for most bridges, allow bridge_mode_init_regs to override */
+ sd->sensor_width = sd->gspca_dev.pixfmt.width;
+ sd->sensor_height = sd->gspca_dev.pixfmt.height;
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ ov511_mode_init_regs(sd);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ ov518_mode_init_regs(sd);
+ break;
+ case BRIDGE_OV519:
+ ov519_mode_init_regs(sd);
+ break;
+ /* case BRIDGE_OVFX2: nothing to do */
+ case BRIDGE_W9968CF:
+ w9968cf_mode_init_regs(sd);
+ break;
+ }
+
+ set_ov_sensor_window(sd);
+
+ /* Force clear snapshot state in case the snapshot button was
+ pressed while we weren't streaming */
+ sd->snapshot_needs_reset = 1;
+ sd_reset_snapshot(gspca_dev);
+
+ sd->first_frame = 3;
+
+ ov51x_restart(sd);
+ ov51x_led_control(sd, 1);
+ return gspca_dev->usb_err;
+}
+
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ ov51x_stop(sd);
+ ov51x_led_control(sd, 0);
+}
+
+static void sd_stop0(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (!sd->gspca_dev.present)
+ return;
+ if (sd->bridge == BRIDGE_W9968CF)
+ w9968cf_stop0(sd);
+
+#if IS_ENABLED(CONFIG_INPUT)
+ /* If the last button state is pressed, release it now! */
+ if (sd->snapshot_pressed) {
+ input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
+ input_sync(gspca_dev->input_dev);
+ sd->snapshot_pressed = 0;
+ }
+#endif
+ if (sd->bridge == BRIDGE_OV519)
+ reg_w(sd, OV519_R57_SNAPSHOT, 0x23);
+}
+
+static void ov51x_handle_button(struct gspca_dev *gspca_dev, u8 state)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->snapshot_pressed != state) {
+#if IS_ENABLED(CONFIG_INPUT)
+ input_report_key(gspca_dev->input_dev, KEY_CAMERA, state);
+ input_sync(gspca_dev->input_dev);
+#endif
+ if (state)
+ sd->snapshot_needs_reset = 1;
+
+ sd->snapshot_pressed = state;
+ } else {
+ /* On the ov511 / ov519 we need to reset the button state
+ multiple times, as resetting does not work as long as the
+ button stays pressed */
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ case BRIDGE_OV519:
+ if (state)
+ sd->snapshot_needs_reset = 1;
+ break;
+ }
+ }
+}
+
+static void ov511_pkt_scan(struct gspca_dev *gspca_dev,
+ 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)) {
+ ov51x_handle_button(gspca_dev, (in[8] >> 2) & 1);
+ if (in[8] & 0x80) {
+ /* Frame end */
+ if ((in[9] + 1) * 8 != gspca_dev->pixfmt.width ||
+ (in[10] + 1) * 8 != gspca_dev->pixfmt.height) {
+ PERR("Invalid frame size, got: %dx%d,"
+ " requested: %dx%d\n",
+ (in[9] + 1) * 8, (in[10] + 1) * 8,
+ gspca_dev->pixfmt.width,
+ gspca_dev->pixfmt.height);
+ gspca_dev->last_packet_type = DISCARD_PACKET;
+ return;
+ }
+ /* Add 11 byte footer to frame, might be useful */
+ gspca_frame_add(gspca_dev, LAST_PACKET, in, 11);
+ return;
+ } else {
+ /* Frame start */
+ gspca_frame_add(gspca_dev, FIRST_PACKET, in, 0);
+ sd->packet_nr = 0;
+ }
+ }
+
+ /* Ignore the packet number */
+ len--;
+
+ /* intermediate packet */
+ gspca_frame_add(gspca_dev, INTER_PACKET, in, len);
+}
+
+static void ov518_pkt_scan(struct gspca_dev *gspca_dev,
+ u8 *data, /* isoc packet */
+ int len) /* iso packet length */
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ /* A false positive here is likely, until OVT gives me
+ * the definitive SOF/EOF format */
+ if ((!(data[0] | data[1] | data[2] | data[3] | data[5])) && data[6]) {
+ ov51x_handle_button(gspca_dev, (data[6] >> 1) & 1);
+ gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
+ gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
+ sd->packet_nr = 0;
+ }
+
+ if (gspca_dev->last_packet_type == DISCARD_PACKET)
+ return;
+
+ /* Does this device use packet numbers ? */
+ if (len & 7) {
+ len--;
+ if (sd->packet_nr == data[len])
+ sd->packet_nr++;
+ /* The last few packets of the frame (which are all 0's
+ except that they may contain part of the footer), are
+ numbered 0 */
+ else if (sd->packet_nr == 0 || data[len]) {
+ PERR("Invalid packet nr: %d (expect: %d)",
+ (int)data[len], (int)sd->packet_nr);
+ gspca_dev->last_packet_type = DISCARD_PACKET;
+ return;
+ }
+ }
+
+ /* intermediate packet */
+ gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
+}
+
+static void ov519_pkt_scan(struct gspca_dev *gspca_dev,
+ 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 */
+ /* Don't check the button state here, as the state
+ usually (always ?) changes at EOF and checking it
+ here leads to unnecessary snapshot state resets. */
+#define HDRSZ 16
+ data += HDRSZ;
+ len -= HDRSZ;
+#undef HDRSZ
+ if (data[0] == 0xff || data[1] == 0xd8)
+ gspca_frame_add(gspca_dev, FIRST_PACKET,
+ data, len);
+ else
+ gspca_dev->last_packet_type = DISCARD_PACKET;
+ return;
+ case 0x51: /* end of frame */
+ ov51x_handle_button(gspca_dev, data[11] & 1);
+ if (data[9] != 0)
+ gspca_dev->last_packet_type = DISCARD_PACKET;
+ gspca_frame_add(gspca_dev, LAST_PACKET,
+ NULL, 0);
+ return;
+ }
+ }
+
+ /* intermediate packet */
+ gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
+}
+
+static void ovfx2_pkt_scan(struct gspca_dev *gspca_dev,
+ u8 *data, /* isoc packet */
+ int len) /* iso packet length */
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
+
+ /* A short read signals EOF */
+ if (len < gspca_dev->cam.bulk_size) {
+ /* If the frame is short, and it is one of the first ones
+ the sensor and bridge are still syncing, so drop it. */
+ if (sd->first_frame) {
+ sd->first_frame--;
+ if (gspca_dev->image_len <
+ sd->gspca_dev.pixfmt.width *
+ sd->gspca_dev.pixfmt.height)
+ gspca_dev->last_packet_type = DISCARD_PACKET;
+ }
+ gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
+ gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0);
+ }
+}
+
+static void sd_pkt_scan(struct gspca_dev *gspca_dev,
+ u8 *data, /* isoc packet */
+ int len) /* iso packet length */
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ switch (sd->bridge) {
+ case BRIDGE_OV511:
+ case BRIDGE_OV511PLUS:
+ ov511_pkt_scan(gspca_dev, data, len);
+ break;
+ case BRIDGE_OV518:
+ case BRIDGE_OV518PLUS:
+ ov518_pkt_scan(gspca_dev, data, len);
+ break;
+ case BRIDGE_OV519:
+ ov519_pkt_scan(gspca_dev, data, len);
+ break;
+ case BRIDGE_OVFX2:
+ ovfx2_pkt_scan(gspca_dev, data, len);
+ break;
+ case BRIDGE_W9968CF:
+ w9968cf_pkt_scan(gspca_dev, data, len);
+ break;
+ }
+}
+
+/* -- management routines -- */
+
+static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ static const struct ov_i2c_regvals brit_7660[][7] = {
+ {{0x0f, 0x6a}, {0x24, 0x40}, {0x25, 0x2b}, {0x26, 0x90},
+ {0x27, 0xe0}, {0x28, 0xe0}, {0x2c, 0xe0}},
+ {{0x0f, 0x6a}, {0x24, 0x50}, {0x25, 0x40}, {0x26, 0xa1},
+ {0x27, 0xc0}, {0x28, 0xc0}, {0x2c, 0xc0}},
+ {{0x0f, 0x6a}, {0x24, 0x68}, {0x25, 0x58}, {0x26, 0xc2},
+ {0x27, 0xa0}, {0x28, 0xa0}, {0x2c, 0xa0}},
+ {{0x0f, 0x6a}, {0x24, 0x70}, {0x25, 0x68}, {0x26, 0xd3},
+ {0x27, 0x80}, {0x28, 0x80}, {0x2c, 0x80}},
+ {{0x0f, 0x6a}, {0x24, 0x80}, {0x25, 0x70}, {0x26, 0xd3},
+ {0x27, 0x20}, {0x28, 0x20}, {0x2c, 0x20}},
+ {{0x0f, 0x6a}, {0x24, 0x88}, {0x25, 0x78}, {0x26, 0xd3},
+ {0x27, 0x40}, {0x28, 0x40}, {0x2c, 0x40}},
+ {{0x0f, 0x6a}, {0x24, 0x90}, {0x25, 0x80}, {0x26, 0xd4},
+ {0x27, 0x60}, {0x28, 0x60}, {0x2c, 0x60}}
+ };
+
+ switch (sd->sensor) {
+ case SEN_OV8610:
+ case SEN_OV7610:
+ case SEN_OV76BE:
+ case SEN_OV6620:
+ case SEN_OV6630:
+ case SEN_OV66308AF:
+ case SEN_OV7640:
+ case SEN_OV7648:
+ i2c_w(sd, OV7610_REG_BRT, val);
+ break;
+ case SEN_OV7620:
+ case SEN_OV7620AE:
+ i2c_w(sd, OV7610_REG_BRT, val);
+ break;
+ case SEN_OV7660:
+ write_i2c_regvals(sd, brit_7660[val],
+ ARRAY_SIZE(brit_7660[0]));
+ break;
+ case SEN_OV7670:
+/*win trace
+ * i2c_w_mask(sd, OV7670_R13_COM8, 0, OV7670_COM8_AEC); */
+ i2c_w(sd, OV7670_R55_BRIGHT, ov7670_abs_to_sm(val));
+ break;
+ }
+}
+
+static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ static const struct ov_i2c_regvals contrast_7660[][31] = {
+ {{0x6c, 0xf0}, {0x6d, 0xf0}, {0x6e, 0xf8}, {0x6f, 0xa0},
+ {0x70, 0x58}, {0x71, 0x38}, {0x72, 0x30}, {0x73, 0x30},
+ {0x74, 0x28}, {0x75, 0x28}, {0x76, 0x24}, {0x77, 0x24},
+ {0x78, 0x22}, {0x79, 0x28}, {0x7a, 0x2a}, {0x7b, 0x34},
+ {0x7c, 0x0f}, {0x7d, 0x1e}, {0x7e, 0x3d}, {0x7f, 0x65},
+ {0x80, 0x70}, {0x81, 0x77}, {0x82, 0x7d}, {0x83, 0x83},
+ {0x84, 0x88}, {0x85, 0x8d}, {0x86, 0x96}, {0x87, 0x9f},
+ {0x88, 0xb0}, {0x89, 0xc4}, {0x8a, 0xd9}},
+ {{0x6c, 0xf0}, {0x6d, 0xf0}, {0x6e, 0xf8}, {0x6f, 0x94},
+ {0x70, 0x58}, {0x71, 0x40}, {0x72, 0x30}, {0x73, 0x30},
+ {0x74, 0x30}, {0x75, 0x30}, {0x76, 0x2c}, {0x77, 0x24},
+ {0x78, 0x22}, {0x79, 0x28}, {0x7a, 0x2a}, {0x7b, 0x31},
+ {0x7c, 0x0f}, {0x7d, 0x1e}, {0x7e, 0x3d}, {0x7f, 0x62},
+ {0x80, 0x6d}, {0x81, 0x75}, {0x82, 0x7b}, {0x83, 0x81},
+ {0x84, 0x87}, {0x85, 0x8d}, {0x86, 0x98}, {0x87, 0xa1},
+ {0x88, 0xb2}, {0x89, 0xc6}, {0x8a, 0xdb}},
+ {{0x6c, 0xf0}, {0x6d, 0xf0}, {0x6e, 0xf0}, {0x6f, 0x84},
+ {0x70, 0x58}, {0x71, 0x48}, {0x72, 0x40}, {0x73, 0x40},
+ {0x74, 0x28}, {0x75, 0x28}, {0x76, 0x28}, {0x77, 0x24},
+ {0x78, 0x26}, {0x79, 0x28}, {0x7a, 0x28}, {0x7b, 0x34},
+ {0x7c, 0x0f}, {0x7d, 0x1e}, {0x7e, 0x3c}, {0x7f, 0x5d},
+ {0x80, 0x68}, {0x81, 0x71}, {0x82, 0x79}, {0x83, 0x81},
+ {0x84, 0x86}, {0x85, 0x8b}, {0x86, 0x95}, {0x87, 0x9e},
+ {0x88, 0xb1}, {0x89, 0xc5}, {0x8a, 0xd9}},
+ {{0x6c, 0xf0}, {0x6d, 0xf0}, {0x6e, 0xf0}, {0x6f, 0x70},
+ {0x70, 0x58}, {0x71, 0x58}, {0x72, 0x48}, {0x73, 0x48},
+ {0x74, 0x38}, {0x75, 0x40}, {0x76, 0x34}, {0x77, 0x34},
+ {0x78, 0x2e}, {0x79, 0x28}, {0x7a, 0x24}, {0x7b, 0x22},
+ {0x7c, 0x0f}, {0x7d, 0x1e}, {0x7e, 0x3c}, {0x7f, 0x58},
+ {0x80, 0x63}, {0x81, 0x6e}, {0x82, 0x77}, {0x83, 0x80},
+ {0x84, 0x87}, {0x85, 0x8f}, {0x86, 0x9c}, {0x87, 0xa9},
+ {0x88, 0xc0}, {0x89, 0xd4}, {0x8a, 0xe6}},
+ {{0x6c, 0xa0}, {0x6d, 0xf0}, {0x6e, 0x90}, {0x6f, 0x80},
+ {0x70, 0x70}, {0x71, 0x80}, {0x72, 0x60}, {0x73, 0x60},
+ {0x74, 0x58}, {0x75, 0x60}, {0x76, 0x4c}, {0x77, 0x38},
+ {0x78, 0x38}, {0x79, 0x2a}, {0x7a, 0x20}, {0x7b, 0x0e},
+ {0x7c, 0x0a}, {0x7d, 0x14}, {0x7e, 0x26}, {0x7f, 0x46},
+ {0x80, 0x54}, {0x81, 0x64}, {0x82, 0x70}, {0x83, 0x7c},
+ {0x84, 0x87}, {0x85, 0x93}, {0x86, 0xa6}, {0x87, 0xb4},
+ {0x88, 0xd0}, {0x89, 0xe5}, {0x8a, 0xf5}},
+ {{0x6c, 0x60}, {0x6d, 0x80}, {0x6e, 0x60}, {0x6f, 0x80},
+ {0x70, 0x80}, {0x71, 0x80}, {0x72, 0x88}, {0x73, 0x30},
+ {0x74, 0x70}, {0x75, 0x68}, {0x76, 0x64}, {0x77, 0x50},
+ {0x78, 0x3c}, {0x79, 0x22}, {0x7a, 0x10}, {0x7b, 0x08},
+ {0x7c, 0x06}, {0x7d, 0x0e}, {0x7e, 0x1a}, {0x7f, 0x3a},
+ {0x80, 0x4a}, {0x81, 0x5a}, {0x82, 0x6b}, {0x83, 0x7b},
+ {0x84, 0x89}, {0x85, 0x96}, {0x86, 0xaf}, {0x87, 0xc3},
+ {0x88, 0xe1}, {0x89, 0xf2}, {0x8a, 0xfa}},
+ {{0x6c, 0x20}, {0x6d, 0x40}, {0x6e, 0x20}, {0x6f, 0x60},
+ {0x70, 0x88}, {0x71, 0xc8}, {0x72, 0xc0}, {0x73, 0xb8},
+ {0x74, 0xa8}, {0x75, 0xb8}, {0x76, 0x80}, {0x77, 0x5c},
+ {0x78, 0x26}, {0x79, 0x10}, {0x7a, 0x08}, {0x7b, 0x04},
+ {0x7c, 0x02}, {0x7d, 0x06}, {0x7e, 0x0a}, {0x7f, 0x22},
+ {0x80, 0x33}, {0x81, 0x4c}, {0x82, 0x64}, {0x83, 0x7b},
+ {0x84, 0x90}, {0x85, 0xa7}, {0x86, 0xc7}, {0x87, 0xde},
+ {0x88, 0xf1}, {0x89, 0xf9}, {0x8a, 0xfd}},
+ };
+
+ switch (sd->sensor) {
+ case SEN_OV7610:
+ case SEN_OV6620:
+ i2c_w(sd, OV7610_REG_CNT, val);
+ break;
+ case SEN_OV6630:
+ case SEN_OV66308AF:
+ i2c_w_mask(sd, OV7610_REG_CNT, val >> 4, 0x0f);
+ break;
+ 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:
+ case SEN_OV7620AE: {
+ 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_OV7660:
+ write_i2c_regvals(sd, contrast_7660[val],
+ ARRAY_SIZE(contrast_7660[0]));
+ break;
+ case SEN_OV7670:
+ /* check that this isn't just the same as ov7610 */
+ i2c_w(sd, OV7670_R56_CONTRAS, val >> 1);
+ break;
+ }
+}
+
+static void setexposure(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ i2c_w(sd, 0x10, val);
+}
+
+static void setcolors(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ static const struct ov_i2c_regvals colors_7660[][6] = {
+ {{0x4f, 0x28}, {0x50, 0x2a}, {0x51, 0x02}, {0x52, 0x0a},
+ {0x53, 0x19}, {0x54, 0x23}},
+ {{0x4f, 0x47}, {0x50, 0x4a}, {0x51, 0x03}, {0x52, 0x11},
+ {0x53, 0x2c}, {0x54, 0x3e}},
+ {{0x4f, 0x66}, {0x50, 0x6b}, {0x51, 0x05}, {0x52, 0x19},
+ {0x53, 0x40}, {0x54, 0x59}},
+ {{0x4f, 0x84}, {0x50, 0x8b}, {0x51, 0x06}, {0x52, 0x20},
+ {0x53, 0x53}, {0x54, 0x73}},
+ {{0x4f, 0xa3}, {0x50, 0xab}, {0x51, 0x08}, {0x52, 0x28},
+ {0x53, 0x66}, {0x54, 0x8e}},
+ };
+
+ switch (sd->sensor) {
+ case SEN_OV8610:
+ case SEN_OV7610:
+ case SEN_OV76BE:
+ case SEN_OV6620:
+ case SEN_OV6630:
+ case SEN_OV66308AF:
+ i2c_w(sd, OV7610_REG_SAT, val);
+ break;
+ case SEN_OV7620:
+ case SEN_OV7620AE:
+ /* 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:
+ case SEN_OV7648:
+ i2c_w(sd, OV7610_REG_SAT, val & 0xf0);
+ break;
+ case SEN_OV7660:
+ write_i2c_regvals(sd, colors_7660[val],
+ ARRAY_SIZE(colors_7660[0]));
+ 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;
+ }
+}
+
+static void setautobright(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ i2c_w_mask(sd, 0x2d, val ? 0x10 : 0x00, 0x10);
+}
+
+static void setfreq_i(struct sd *sd, s32 val)
+{
+ if (sd->sensor == SEN_OV7660
+ || sd->sensor == SEN_OV7670) {
+ switch (val) {
+ case 0: /* Banding filter disabled */
+ i2c_w_mask(sd, OV7670_R13_COM8, 0, OV7670_COM8_BFILT);
+ break;
+ case 1: /* 50 hz */
+ i2c_w_mask(sd, OV7670_R13_COM8, OV7670_COM8_BFILT,
+ OV7670_COM8_BFILT);
+ i2c_w_mask(sd, OV7670_R3B_COM11, 0x08, 0x18);
+ break;
+ case 2: /* 60 hz */
+ i2c_w_mask(sd, OV7670_R13_COM8, OV7670_COM8_BFILT,
+ OV7670_COM8_BFILT);
+ i2c_w_mask(sd, OV7670_R3B_COM11, 0x00, 0x18);
+ break;
+ case 3: /* Auto hz - ov7670 only */
+ i2c_w_mask(sd, OV7670_R13_COM8, OV7670_COM8_BFILT,
+ OV7670_COM8_BFILT);
+ i2c_w_mask(sd, OV7670_R3B_COM11, OV7670_COM11_HZAUTO,
+ 0x18);
+ break;
+ }
+ } else {
+ switch (val) {
+ case 0: /* Banding filter disabled */
+ i2c_w_mask(sd, 0x2d, 0x00, 0x04);
+ i2c_w_mask(sd, 0x2a, 0x00, 0x80);
+ break;
+ case 1: /* 50 hz (filter on and framerate adj) */
+ i2c_w_mask(sd, 0x2d, 0x04, 0x04);
+ i2c_w_mask(sd, 0x2a, 0x80, 0x80);
+ /* 20 fps -> 16.667 fps */
+ if (sd->sensor == SEN_OV6620 ||
+ sd->sensor == SEN_OV6630 ||
+ sd->sensor == SEN_OV66308AF)
+ i2c_w(sd, 0x2b, 0x5e);
+ else
+ i2c_w(sd, 0x2b, 0xac);
+ break;
+ case 2: /* 60 hz (filter on, ...) */
+ i2c_w_mask(sd, 0x2d, 0x04, 0x04);
+ if (sd->sensor == SEN_OV6620 ||
+ sd->sensor == SEN_OV6630 ||
+ sd->sensor == SEN_OV66308AF) {
+ /* 20 fps -> 15 fps */
+ i2c_w_mask(sd, 0x2a, 0x80, 0x80);
+ i2c_w(sd, 0x2b, 0xa8);
+ } else {
+ /* no framerate adj. */
+ i2c_w_mask(sd, 0x2a, 0x00, 0x80);
+ }
+ break;
+ }
+ }
+}
+
+static void setfreq(struct gspca_dev *gspca_dev, s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ setfreq_i(sd, val);
+
+ /* Ugly but necessary */
+ if (sd->bridge == BRIDGE_W9968CF)
+ w9968cf_set_crop_window(sd);
+}
+
+static int sd_get_jcomp(struct gspca_dev *gspca_dev,
+ struct v4l2_jpegcompression *jcomp)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->bridge != BRIDGE_W9968CF)
+ return -ENOTTY;
+
+ memset(jcomp, 0, sizeof *jcomp);
+ jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
+ jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT |
+ V4L2_JPEG_MARKER_DRI;
+ return 0;
+}
+
+static int sd_set_jcomp(struct gspca_dev *gspca_dev,
+ const struct v4l2_jpegcompression *jcomp)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->bridge != BRIDGE_W9968CF)
+ return -ENOTTY;
+
+ v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);
+ return 0;
+}
+
+static int sd_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct gspca_dev *gspca_dev =
+ container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+ struct sd *sd = (struct sd *)gspca_dev;
+
+ gspca_dev->usb_err = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUTOGAIN:
+ gspca_dev->exposure->val = i2c_r(sd, 0x10);
+ break;
+ }
+ return 0;
+}
+
+static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct gspca_dev *gspca_dev =
+ container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+ struct sd *sd = (struct sd *)gspca_dev;
+
+ gspca_dev->usb_err = 0;
+
+ if (!gspca_dev->streaming)
+ return 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ setbrightness(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_CONTRAST:
+ setcontrast(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_POWER_LINE_FREQUENCY:
+ setfreq(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_AUTOBRIGHTNESS:
+ if (ctrl->is_new)
+ setautobright(gspca_dev, ctrl->val);
+ if (!ctrl->val && sd->brightness->is_new)
+ setbrightness(gspca_dev, sd->brightness->val);
+ break;
+ case V4L2_CID_SATURATION:
+ setcolors(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_HFLIP:
+ sethvflip(gspca_dev, ctrl->val, sd->vflip->val);
+ break;
+ case V4L2_CID_AUTOGAIN:
+ if (ctrl->is_new)
+ setautogain(gspca_dev, ctrl->val);
+ if (!ctrl->val && gspca_dev->exposure->is_new)
+ setexposure(gspca_dev, gspca_dev->exposure->val);
+ break;
+ case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+ return -EBUSY; /* Should never happen, as we grab the ctrl */
+ }
+ return gspca_dev->usb_err;
+}
+
+static const struct v4l2_ctrl_ops sd_ctrl_ops = {
+ .g_volatile_ctrl = sd_g_volatile_ctrl,
+ .s_ctrl = sd_s_ctrl,
+};
+
+static int sd_init_controls(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *)gspca_dev;
+ struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
+
+ gspca_dev->vdev.ctrl_handler = hdl;
+ v4l2_ctrl_handler_init(hdl, 10);
+ if (valid_controls[sd->sensor].has_brightness)
+ sd->brightness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0,
+ sd->sensor == SEN_OV7660 ? 6 : 255, 1,
+ sd->sensor == SEN_OV7660 ? 3 : 127);
+ if (valid_controls[sd->sensor].has_contrast) {
+ if (sd->sensor == SEN_OV7660)
+ v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 6, 1, 3);
+ else
+ v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 255, 1,
+ (sd->sensor == SEN_OV6630 ||
+ sd->sensor == SEN_OV66308AF) ? 200 : 127);
+ }
+ if (valid_controls[sd->sensor].has_sat)
+ v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_SATURATION, 0,
+ sd->sensor == SEN_OV7660 ? 4 : 255, 1,
+ sd->sensor == SEN_OV7660 ? 2 : 127);
+ if (valid_controls[sd->sensor].has_exposure)
+ gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_EXPOSURE, 0, 255, 1, 127);
+ if (valid_controls[sd->sensor].has_hvflip) {
+ sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ sd->vflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ }
+ if (valid_controls[sd->sensor].has_autobright)
+ sd->autobright = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_AUTOBRIGHTNESS, 0, 1, 1, 1);
+ if (valid_controls[sd->sensor].has_autogain)
+ gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
+ if (valid_controls[sd->sensor].has_freq) {
+ if (sd->sensor == SEN_OV7670)
+ sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
+ V4L2_CID_POWER_LINE_FREQUENCY,
+ V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0,
+ V4L2_CID_POWER_LINE_FREQUENCY_AUTO);
+ else
+ sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
+ V4L2_CID_POWER_LINE_FREQUENCY,
+ V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, 0);
+ }
+ if (sd->bridge == BRIDGE_W9968CF)
+ sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_JPEG_COMPRESSION_QUALITY,
+ QUALITY_MIN, QUALITY_MAX, 1, QUALITY_DEF);
+
+ if (hdl->error) {
+ PERR("Could not initialize controls\n");
+ return hdl->error;
+ }
+ if (gspca_dev->autogain)
+ v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, true);
+ if (sd->autobright)
+ v4l2_ctrl_auto_cluster(2, &sd->autobright, 0, false);
+ if (sd->hflip)
+ v4l2_ctrl_cluster(2, &sd->hflip);
+ return 0;
+}
+
+/* sub-driver description */
+static const struct sd_desc sd_desc = {
+ .name = MODULE_NAME,
+ .config = sd_config,
+ .init = sd_init,
+ .init_controls = sd_init_controls,
+ .isoc_init = sd_isoc_init,
+ .start = sd_start,
+ .stopN = sd_stopN,
+ .stop0 = sd_stop0,
+ .pkt_scan = sd_pkt_scan,
+ .dq_callback = sd_reset_snapshot,
+ .get_jcomp = sd_get_jcomp,
+ .set_jcomp = sd_set_jcomp,
+#if IS_ENABLED(CONFIG_INPUT)
+ .other_input = 1,
+#endif
+};
+
+/* -- module initialisation -- */
+static const struct usb_device_id device_table[] = {
+ {USB_DEVICE(0x041e, 0x4003), .driver_info = BRIDGE_W9968CF },
+ {USB_DEVICE(0x041e, 0x4052),
+ .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+ {USB_DEVICE(0x041e, 0x405f), .driver_info = BRIDGE_OV519 },
+ {USB_DEVICE(0x041e, 0x4060), .driver_info = BRIDGE_OV519 },
+ {USB_DEVICE(0x041e, 0x4061), .driver_info = BRIDGE_OV519 },
+ {USB_DEVICE(0x041e, 0x4064), .driver_info = BRIDGE_OV519 },
+ {USB_DEVICE(0x041e, 0x4067), .driver_info = BRIDGE_OV519 },
+ {USB_DEVICE(0x041e, 0x4068), .driver_info = BRIDGE_OV519 },
+ {USB_DEVICE(0x045e, 0x028c),
+ .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+ {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 | BRIDGE_INVERT_LED },
+ {USB_DEVICE(0x05a9, 0x0530),
+ .driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+ {USB_DEVICE(0x05a9, 0x2800), .driver_info = BRIDGE_OVFX2 },
+ {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 },
+ {USB_DEVICE(0x0b62, 0x0059), .driver_info = BRIDGE_OVFX2 },
+ {USB_DEVICE(0x0e96, 0xc001), .driver_info = BRIDGE_OVFX2 },
+ {USB_DEVICE(0x1046, 0x9967), .driver_info = BRIDGE_W9968CF },
+ {USB_DEVICE(0x8020, 0xef04), .driver_info = BRIDGE_OVFX2 },
+ {}
+};
+
+MODULE_DEVICE_TABLE(usb, device_table);
+
+/* -- device connect -- */
+static int sd_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
+ THIS_MODULE);
+}
+
+static struct usb_driver sd_driver = {
+ .name = MODULE_NAME,
+ .id_table = device_table,
+ .probe = sd_probe,
+ .disconnect = gspca_disconnect,
+#ifdef CONFIG_PM
+ .suspend = gspca_suspend,
+ .resume = gspca_resume,
+ .reset_resume = gspca_resume,
+#endif
+};
+
+module_usb_driver(sd_driver);
+
+module_param(frame_rate, int, 0644);
+MODULE_PARM_DESC(frame_rate, "Frame rate (5, 10, 15, 20 or 30 fps)");
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-11 14:44:02 +0000