diff options
Diffstat (limited to 'drivers/media/usb/gspca/ov519.c')
| -rw-r--r-- | drivers/media/usb/gspca/ov519.c | 4991 |
1 files changed, 4991 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/ov519.c b/drivers/media/usb/gspca/ov519.c new file mode 100644 index 0000000..bfc7cef --- /dev/null +++ b/drivers/media/usb/gspca/ov519.c @@ -0,0 +1,4991 @@ +/** + * 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 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 { + int has_brightness:1; + int has_contrast:1; + int has_exposure:1; + int has_autogain:1; + int has_sat:1; + int has_hvflip:1; + int has_autobright:1; + 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) +{ + 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) { + pr_err("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) +{ + 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 { + pr_err("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) +{ + 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 { + pr_err("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) +{ + 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) { + pr_err("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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) { + pr_err("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) +{ + 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 { + pr_err("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) +{ + 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) +{ + 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; + + 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) +{ + int high, low; + + if (sd->bridge != BRIDGE_OVFX2) { + pr_err("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; + } + pr_err("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) +{ + int rc; + + PDEBUG(D_PROBE, "starting ov8xx0 configuration"); + + /* Detect sensor (sub)type */ + rc = i2c_r(sd, OV7610_REG_COM_I); + if (rc < 0) { + PDEBUG(D_ERR, "Error detecting sensor type"); + return; + } + if ((rc & 3) == 1) + sd->sensor = SEN_OV8610; + else + pr_err("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) +{ + 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) { + pr_err("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) { + pr_err("Error detecting camera chip PID\n"); + return; + } + low = i2c_r(sd, 0x0b); + if (low < 0) { + pr_err("Error detecting camera chip VER\n"); + return; + } + if (high == 0x76) { + switch (low) { + case 0x30: + pr_err("Sensor is an OV7630/OV7635\n"); + pr_err("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: + pr_err("Unknown sensor: 0x76%02x\n", low); + return; + } + } else { + PDEBUG(D_PROBE, "Sensor is an OV7620"); + sd->sensor = SEN_OV7620; + } + } else { + pr_err("Unknown image sensor version: %d\n", rc & 3); + } +} + +/* This initializes the OV6620, OV6630, OV6630AE, or OV6630AF sensor. */ +static void ov6xx0_configure(struct sd *sd) +{ + int rc; + PDEBUG(D_PROBE, "starting OV6xx0 configuration"); + + /* Detect sensor (sub)type */ + rc = i2c_r(sd, OV7610_REG_COM_I); + if (rc < 0) { + pr_err("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: + pr_err("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 + }; + + 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 */ + PDEBUG(D_PROBE, "Device revision %d", + 0x1f & reg_r(sd, R51x_SYS_CUST_ID)); + + 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 { + pr_err("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: + PDEBUG(D_ERR, "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->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) +{ + 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) { + pr_err("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.width >> 3) - 1; + vsegs = (sd->gspca_dev.height >> 3) - 1; + + reg_w(sd, R511_CAM_PXCNT, hsegs); + reg_w(sd, R511_CAM_LNCNT, vsegs); + reg_w(sd, R511_CAM_PXDIV, 0x00); + reg_w(sd, R511_CAM_LNDIV, 0x00); + + /* YUV420, low pass filter on */ + reg_w(sd, R511_CAM_OPTS, 0x03); + + /* Snapshot additions */ + reg_w(sd, R511_SNAP_PXCNT, hsegs); + reg_w(sd, R511_SNAP_LNCNT, vsegs); + reg_w(sd, R511_SNAP_PXDIV, 0x00); + reg_w(sd, R511_SNAP_LNDIV, 0x00); + + /******** Set the framerate ********/ + if (frame_rate > 0) + sd->frame_rate = frame_rate; + + switch (sd->sensor) { + case SEN_OV6620: + /* No framerate control, doesn't like higher rates yet */ + sd->clockdiv = 3; + break; + + /* Note once the FIXME's in mode_init_ov_sensor_regs() are fixed + for more sensors we need to do this for them too */ + case SEN_OV7620: + case SEN_OV7620AE: + case SEN_OV7640: + case SEN_OV7648: + case SEN_OV76BE: + if (sd->gspca_dev.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.width != 640) { + sd->clockdiv = 0; + break; + } + /* Fall through for 640x480 case */ + default: +/* case 20: */ +/* case 15: */ + sd->clockdiv = 1; + break; + case 10: + sd->clockdiv = 2; + break; + case 5: + sd->clockdiv = 5; + break; + } + if (interlaced) { + sd->clockdiv = (sd->clockdiv + 1) * 2 - 1; + /* Higher then 10 does not work */ + if (sd->clockdiv > 10) + sd->clockdiv = 10; + } + break; + + case SEN_OV8610: + /* No framerate control ?? */ + sd->clockdiv = 0; + break; + } + + /* Check if we have enough bandwidth to disable compression */ + fps = (interlaced ? 60 : 30) / (sd->clockdiv + 1) + 1; + needed = fps * sd->gspca_dev.width * sd->gspca_dev.height * 3 / 2; + /* 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) +{ + 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) { + pr_err("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.width / 16; + vsegs = sd->gspca_dev.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 ********/ + 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: + if (sd->gspca_dev.width == 320) { + reg_w(sd, 0x20, 0x00); + reg_w(sd, 0x21, 0x19); + } else { + reg_w(sd, 0x20, 0x60); + reg_w(sd, 0x21, 0x1f); + } + 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? */ + }; + + /******** 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.width >> 4); + reg_w(sd, OV519_R11_V_SIZE, sd->gspca_dev.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; + int qvga, xstart, xend, ystart, yend; + u8 v; + + gspca_dev = &sd->gspca_dev; + 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->width) / 2 + (0x1f << 4); + ystart = (776 - gspca_dev->height) / 2; + } else { + xstart = (2076 - gspca_dev->width) / 2 + (0x10 << 4); + ystart = (1544 - gspca_dev->height) / 2; + } + xend = xstart + gspca_dev->width; + yend = ystart + gspca_dev->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.width; + sd->sensor_height = sd->gspca_dev.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 defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) + /* 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 defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) + 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->width || + (in[10] + 1) * 8 != gspca_dev->height) { + PDEBUG(D_ERR, "Invalid frame size, got: %dx%d," + " requested: %dx%d\n", + (in[9] + 1) * 8, (in[10] + 1) * 8, + gspca_dev->width, gspca_dev->height); + gspca_dev->last_packet_type = DISCARD_PACKET; + return; + } + /* Add 11 byte footer to frame, might be 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]) { + PDEBUG(D_ERR, "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.width * sd->gspca_dev.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, + 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) { + pr_err("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 defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) + .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)"); |
