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Commit 4202f71c authored by Jean-Francois Moine's avatar Jean-Francois Moine Committed by Mauro Carvalho Chehab
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V4L/DVB (8819): gspca: Initialize the ov519 at open time and source cleanup. 

Signed-off-by: default avatarJean-Francois Moine <moinejf@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 1e89e2da
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Showing with 596 additions and 546 deletions
drivers/media/video/gspca/ov519.c
View file @ 4202f71c
......@@ -63,11 +63,10 @@ struct sd {
#define SEN_OV6630 2
#define SEN_OV7610 3
#define SEN_OV7620 4
#define SEN_OV7630 5
#define SEN_OV7640 6
#define SEN_OV7670 7
#define SEN_OV76BE 8
#define SEN_OV8610 9
#define SEN_OV7640 5
#define SEN_OV7670 6
#define SEN_OV76BE 7
#define SEN_OV8610 8
};
......@@ -293,6 +292,541 @@ static struct v4l2_pix_format sif_mode[] = {
#define OV7670_REG_HAECC7 0xaa /* Hist AEC/AGC control 7 */
#define OV7670_REG_BD60MAX 0xab /* 60hz banding step limit */
struct ov_regvals {
__u8 reg;
__u8 val;
};
struct ov_i2c_regvals {
__u8 reg;
__u8 val;
};
static const struct ov_i2c_regvals norm_6x20[] = {
{ 0x12, 0x80 }, /* reset */
{ 0x11, 0x01 },
{ 0x03, 0x60 },
{ 0x05, 0x7f }, /* For when autoadjust is off */
{ 0x07, 0xa8 },
/* The ratio of 0x0c and 0x0d controls the white point */
{ 0x0c, 0x24 },
{ 0x0d, 0x24 },
{ 0x0f, 0x15 }, /* COMS */
{ 0x10, 0x75 }, /* AEC Exposure time */
{ 0x12, 0x24 }, /* Enable AGC */
{ 0x14, 0x04 },
/* 0x16: 0x06 helps frame stability with moving objects */
{ 0x16, 0x06 },
/* { 0x20, 0x30 }, * Aperture correction enable */
{ 0x26, 0xb2 }, /* BLC enable */
/* 0x28: 0x05 Selects RGB format if RGB on */
{ 0x28, 0x05 },
{ 0x2a, 0x04 }, /* Disable framerate adjust */
/* { 0x2b, 0xac }, * Framerate; Set 2a[7] first */
{ 0x2d, 0x99 },
{ 0x33, 0xa0 }, /* Color Processing Parameter */
{ 0x34, 0xd2 }, /* Max A/D range */
{ 0x38, 0x8b },
{ 0x39, 0x40 },
{ 0x3c, 0x39 }, /* Enable AEC mode changing */
{ 0x3c, 0x3c }, /* Change AEC mode */
{ 0x3c, 0x24 }, /* Disable AEC mode changing */
{ 0x3d, 0x80 },
/* These next two registers (0x4a, 0x4b) are undocumented.
* They control the color balance */
{ 0x4a, 0x80 },
{ 0x4b, 0x80 },
{ 0x4d, 0xd2 }, /* This reduces noise a bit */
{ 0x4e, 0xc1 },
{ 0x4f, 0x04 },
/* Do 50-53 have any effect? */
/* Toggle 0x12[2] off and on here? */
};
static const struct ov_i2c_regvals norm_6x30[] = {
{ 0x12, 0x80 }, /* Reset */
{ 0x00, 0x1f }, /* Gain */
{ 0x01, 0x99 }, /* Blue gain */
{ 0x02, 0x7c }, /* Red gain */
{ 0x03, 0xc0 }, /* Saturation */
{ 0x05, 0x0a }, /* Contrast */
{ 0x06, 0x95 }, /* Brightness */
{ 0x07, 0x2d }, /* Sharpness */
{ 0x0c, 0x20 },
{ 0x0d, 0x20 },
{ 0x0e, 0x20 },
{ 0x0f, 0x05 },
{ 0x10, 0x9a },
{ 0x11, 0x00 }, /* Pixel clock = fastest */
{ 0x12, 0x24 }, /* Enable AGC and AWB */
{ 0x13, 0x21 },
{ 0x14, 0x80 },
{ 0x15, 0x01 },
{ 0x16, 0x03 },
{ 0x17, 0x38 },
{ 0x18, 0xea },
{ 0x19, 0x04 },
{ 0x1a, 0x93 },
{ 0x1b, 0x00 },
{ 0x1e, 0xc4 },
{ 0x1f, 0x04 },
{ 0x20, 0x20 },
{ 0x21, 0x10 },
{ 0x22, 0x88 },
{ 0x23, 0xc0 }, /* Crystal circuit power level */
{ 0x25, 0x9a }, /* Increase AEC black ratio */
{ 0x26, 0xb2 }, /* BLC enable */
{ 0x27, 0xa2 },
{ 0x28, 0x00 },
{ 0x29, 0x00 },
{ 0x2a, 0x84 }, /* 60 Hz power */
{ 0x2b, 0xa8 }, /* 60 Hz power */
{ 0x2c, 0xa0 },
{ 0x2d, 0x95 }, /* Enable auto-brightness */
{ 0x2e, 0x88 },
{ 0x33, 0x26 },
{ 0x34, 0x03 },
{ 0x36, 0x8f },
{ 0x37, 0x80 },
{ 0x38, 0x83 },
{ 0x39, 0x80 },
{ 0x3a, 0x0f },
{ 0x3b, 0x3c },
{ 0x3c, 0x1a },
{ 0x3d, 0x80 },
{ 0x3e, 0x80 },
{ 0x3f, 0x0e },
{ 0x40, 0x00 }, /* White bal */
{ 0x41, 0x00 }, /* White bal */
{ 0x42, 0x80 },
{ 0x43, 0x3f }, /* White bal */
{ 0x44, 0x80 },
{ 0x45, 0x20 },
{ 0x46, 0x20 },
{ 0x47, 0x80 },
{ 0x48, 0x7f },
{ 0x49, 0x00 },
{ 0x4a, 0x00 },
{ 0x4b, 0x80 },
{ 0x4c, 0xd0 },
{ 0x4d, 0x10 }, /* U = 0.563u, V = 0.714v */
{ 0x4e, 0x40 },
{ 0x4f, 0x07 }, /* UV avg., col. killer: max */
{ 0x50, 0xff },
{ 0x54, 0x23 }, /* Max AGC gain: 18dB */
{ 0x55, 0xff },
{ 0x56, 0x12 },
{ 0x57, 0x81 },
{ 0x58, 0x75 },
{ 0x59, 0x01 }, /* AGC dark current comp.: +1 */
{ 0x5a, 0x2c },
{ 0x5b, 0x0f }, /* AWB chrominance levels */
{ 0x5c, 0x10 },
{ 0x3d, 0x80 },
{ 0x27, 0xa6 },
{ 0x12, 0x20 }, /* Toggle AWB */
{ 0x12, 0x24 },
};
/* Lawrence Glaister <lg@jfm.bc.ca> reports:
*
* Register 0x0f in the 7610 has the following effects:
*
* 0x85 (AEC method 1): Best overall, good contrast range
* 0x45 (AEC method 2): Very overexposed
* 0xa5 (spec sheet default): Ok, but the black level is
* shifted resulting in loss of contrast
* 0x05 (old driver setting): very overexposed, too much
* contrast
*/
static const struct ov_i2c_regvals norm_7610[] = {
{ 0x10, 0xff },
{ 0x16, 0x06 },
{ 0x28, 0x24 },
{ 0x2b, 0xac },
{ 0x12, 0x00 },
{ 0x38, 0x81 },
{ 0x28, 0x24 }, /* 0c */
{ 0x0f, 0x85 }, /* lg's setting */
{ 0x15, 0x01 },
{ 0x20, 0x1c },
{ 0x23, 0x2a },
{ 0x24, 0x10 },
{ 0x25, 0x8a },
{ 0x26, 0xa2 },
{ 0x27, 0xc2 },
{ 0x2a, 0x04 },
{ 0x2c, 0xfe },
{ 0x2d, 0x93 },
{ 0x30, 0x71 },
{ 0x31, 0x60 },
{ 0x32, 0x26 },
{ 0x33, 0x20 },
{ 0x34, 0x48 },
{ 0x12, 0x24 },
{ 0x11, 0x01 },
{ 0x0c, 0x24 },
{ 0x0d, 0x24 },
};
static const struct ov_i2c_regvals norm_7620[] = {
{ 0x00, 0x00 }, /* gain */
{ 0x01, 0x80 }, /* blue gain */
{ 0x02, 0x80 }, /* red gain */
{ 0x03, 0xc0 }, /* OV7670_REG_VREF */
{ 0x06, 0x60 },
{ 0x07, 0x00 },
{ 0x0c, 0x24 },
{ 0x0c, 0x24 },
{ 0x0d, 0x24 },
{ 0x11, 0x01 },
{ 0x12, 0x24 },
{ 0x13, 0x01 },
{ 0x14, 0x84 },
{ 0x15, 0x01 },
{ 0x16, 0x03 },
{ 0x17, 0x2f },
{ 0x18, 0xcf },
{ 0x19, 0x06 },
{ 0x1a, 0xf5 },
{ 0x1b, 0x00 },
{ 0x20, 0x18 },
{ 0x21, 0x80 },
{ 0x22, 0x80 },
{ 0x23, 0x00 },
{ 0x26, 0xa2 },
{ 0x27, 0xea },
{ 0x28, 0x20 },
{ 0x29, 0x00 },
{ 0x2a, 0x10 },
{ 0x2b, 0x00 },
{ 0x2c, 0x88 },
{ 0x2d, 0x91 },
{ 0x2e, 0x80 },
{ 0x2f, 0x44 },
{ 0x60, 0x27 },
{ 0x61, 0x02 },
{ 0x62, 0x5f },
{ 0x63, 0xd5 },
{ 0x64, 0x57 },
{ 0x65, 0x83 },
{ 0x66, 0x55 },
{ 0x67, 0x92 },
{ 0x68, 0xcf },
{ 0x69, 0x76 },
{ 0x6a, 0x22 },
{ 0x6b, 0x00 },
{ 0x6c, 0x02 },
{ 0x6d, 0x44 },
{ 0x6e, 0x80 },
{ 0x6f, 0x1d },
{ 0x70, 0x8b },
{ 0x71, 0x00 },
{ 0x72, 0x14 },
{ 0x73, 0x54 },
{ 0x74, 0x00 },
{ 0x75, 0x8e },
{ 0x76, 0x00 },
{ 0x77, 0xff },
{ 0x78, 0x80 },
{ 0x79, 0x80 },
{ 0x7a, 0x80 },
{ 0x7b, 0xe2 },
{ 0x7c, 0x00 },
};
/* 7640 and 7648. The defaults should be OK for most registers. */
static const struct ov_i2c_regvals norm_7640[] = {
{ 0x12, 0x80 },
{ 0x12, 0x14 },
};
/* 7670. Defaults taken from OmniVision provided data,
* as provided by Jonathan Corbet of OLPC */
static const struct ov_i2c_regvals norm_7670[] = {
{ OV7670_REG_COM7, OV7670_COM7_RESET },
{ OV7670_REG_TSLB, 0x04 }, /* OV */
{ OV7670_REG_COM7, OV7670_COM7_FMT_VGA }, /* VGA */
{ OV7670_REG_CLKRC, 0x01 },
/*
* Set the hardware window. These values from OV don't entirely
* make sense - hstop is less than hstart. But they work...
*/
{ OV7670_REG_HSTART, 0x13 },
{ OV7670_REG_HSTOP, 0x01 },
{ OV7670_REG_HREF, 0xb6 },
{ OV7670_REG_VSTART, 0x02 },
{ OV7670_REG_VSTOP, 0x7a },
{ OV7670_REG_VREF, 0x0a },
{ OV7670_REG_COM3, 0 },
{ OV7670_REG_COM14, 0 },
/* Mystery scaling numbers */
{ 0x70, 0x3a },
{ 0x71, 0x35 },
{ 0x72, 0x11 },
{ 0x73, 0xf0 },
{ 0xa2, 0x02 },
/* { OV7670_REG_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_REG_COM8, OV7670_COM8_FASTAEC
| OV7670_COM8_AECSTEP
| OV7670_COM8_BFILT },
{ OV7670_REG_GAIN, 0 },
{ OV7670_REG_AECH, 0 },
{ OV7670_REG_COM4, 0x40 }, /* magic reserved bit */
{ OV7670_REG_COM9, 0x18 }, /* 4x gain + magic rsvd bit */
{ OV7670_REG_BD50MAX, 0x05 },
{ OV7670_REG_BD60MAX, 0x07 },
{ OV7670_REG_AEW, 0x95 },
{ OV7670_REG_AEB, 0x33 },
{ OV7670_REG_VPT, 0xe3 },
{ OV7670_REG_HAECC1, 0x78 },
{ OV7670_REG_HAECC2, 0x68 },
{ 0xa1, 0x03 }, /* magic */
{ OV7670_REG_HAECC3, 0xd8 },
{ OV7670_REG_HAECC4, 0xd8 },
{ OV7670_REG_HAECC5, 0xf0 },
{ OV7670_REG_HAECC6, 0x90 },
{ OV7670_REG_HAECC7, 0x94 },
{ OV7670_REG_COM8, OV7670_COM8_FASTAEC
| OV7670_COM8_AECSTEP
| OV7670_COM8_BFILT
| OV7670_COM8_AGC
| OV7670_COM8_AEC },
/* Almost all of these are magic "reserved" values. */
{ OV7670_REG_COM5, 0x61 },
{ OV7670_REG_COM6, 0x4b },
{ 0x16, 0x02 },
{ OV7670_REG_MVFP, 0x07 },
{ 0x21, 0x02 },
{ 0x22, 0x91 },
{ 0x29, 0x07 },
{ 0x33, 0x0b },
{ 0x35, 0x0b },
{ 0x37, 0x1d },
{ 0x38, 0x71 },
{ 0x39, 0x2a },
{ OV7670_REG_COM12, 0x78 },
{ 0x4d, 0x40 },
{ 0x4e, 0x20 },
{ OV7670_REG_GFIX, 0 },
{ 0x6b, 0x4a },
{ 0x74, 0x10 },
{ 0x8d, 0x4f },
{ 0x8e, 0 },
{ 0x8f, 0 },
{ 0x90, 0 },
{ 0x91, 0 },
{ 0x96, 0 },
{ 0x9a, 0 },
{ 0xb0, 0x84 },
{ 0xb1, 0x0c },
{ 0xb2, 0x0e },
{ 0xb3, 0x82 },
{ 0xb8, 0x0a },
/* More reserved magic, some of which tweaks white balance */
{ 0x43, 0x0a },
{ 0x44, 0xf0 },
{ 0x45, 0x34 },
{ 0x46, 0x58 },
{ 0x47, 0x28 },
{ 0x48, 0x3a },
{ 0x59, 0x88 },
{ 0x5a, 0x88 },
{ 0x5b, 0x44 },
{ 0x5c, 0x67 },
{ 0x5d, 0x49 },
{ 0x5e, 0x0e },
{ 0x6c, 0x0a },
{ 0x6d, 0x55 },
{ 0x6e, 0x11 },
{ 0x6f, 0x9f },
/* "9e for advance AWB" */
{ 0x6a, 0x40 },
{ OV7670_REG_BLUE, 0x40 },
{ OV7670_REG_RED, 0x60 },
{ OV7670_REG_COM8, OV7670_COM8_FASTAEC
| OV7670_COM8_AECSTEP
| OV7670_COM8_BFILT
| OV7670_COM8_AGC
| OV7670_COM8_AEC
| OV7670_COM8_AWB },
/* Matrix coefficients */
{ 0x4f, 0x80 },
{ 0x50, 0x80 },
{ 0x51, 0 },
{ 0x52, 0x22 },
{ 0x53, 0x5e },
{ 0x54, 0x80 },
{ 0x58, 0x9e },
{ OV7670_REG_COM16, OV7670_COM16_AWBGAIN },
{ OV7670_REG_EDGE, 0 },
{ 0x75, 0x05 },
{ 0x76, 0xe1 },
{ 0x4c, 0 },
{ 0x77, 0x01 },
{ OV7670_REG_COM13, OV7670_COM13_GAMMA
| OV7670_COM13_UVSAT
| 2}, /* was 3 */
{ 0x4b, 0x09 },
{ 0xc9, 0x60 },
{ OV7670_REG_COM16, 0x38 },
{ 0x56, 0x40 },
{ 0x34, 0x11 },
{ OV7670_REG_COM11, OV7670_COM11_EXP|OV7670_COM11_HZAUTO },
{ 0xa4, 0x88 },
{ 0x96, 0 },
{ 0x97, 0x30 },
{ 0x98, 0x20 },
{ 0x99, 0x30 },
{ 0x9a, 0x84 },
{ 0x9b, 0x29 },
{ 0x9c, 0x03 },
{ 0x9d, 0x4c },
{ 0x9e, 0x3f },
{ 0x78, 0x04 },
/* Extra-weird stuff. Some sort of multiplexor register */
{ 0x79, 0x01 },
{ 0xc8, 0xf0 },
{ 0x79, 0x0f },
{ 0xc8, 0x00 },
{ 0x79, 0x10 },
{ 0xc8, 0x7e },
{ 0x79, 0x0a },
{ 0xc8, 0x80 },
{ 0x79, 0x0b },
{ 0xc8, 0x01 },
{ 0x79, 0x0c },
{ 0xc8, 0x0f },
{ 0x79, 0x0d },
{ 0xc8, 0x20 },
{ 0x79, 0x09 },
{ 0xc8, 0x80 },
{ 0x79, 0x02 },
{ 0xc8, 0xc0 },
{ 0x79, 0x03 },
{ 0xc8, 0x40 },
{ 0x79, 0x05 },
{ 0xc8, 0x30 },
{ 0x79, 0x26 },
};
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)
......@@ -473,493 +1007,144 @@ static inline int ov51x_stop(struct sd *sd)
PDEBUG(D_STREAM, "stopping");
sd->stopped = 1;
return reg_w(sd, OV519_SYS_RESET1, 0x0f);
}
/* Restarts OV511 after ov511_stop() is called. Has no effect if it is not
* actually stopped (for performance). */
static inline int ov51x_restart(struct sd *sd)
{
PDEBUG(D_STREAM, "restarting");
if (!sd->stopped)
return 0;
sd->stopped = 0;
/* Reinitialize the stream */
return reg_w(sd, OV519_SYS_RESET1, 0x00);
}
/* This does an initial reset of an OmniVision sensor and ensures that I2C
* is synchronized. Returns <0 on failure.
*/
static int init_ov_sensor(struct sd *sd)
{
int i, success;
/* Reset the sensor */
if (i2c_w(sd, 0x12, 0x80) < 0)
return -EIO;
/* Wait for it to initialize */
msleep(150);
for (i = 0, success = 0; i < i2c_detect_tries && !success; i++) {
if (i2c_r(sd, OV7610_REG_ID_HIGH) == 0x7f &&
i2c_r(sd, OV7610_REG_ID_LOW) == 0xa2) {
success = 1;
continue;
}
/* Reset the sensor */
if (i2c_w(sd, 0x12, 0x80) < 0)
return -EIO;
/* Wait for it to initialize */
msleep(150);
/* Dummy read to sync I2C */
if (i2c_r(sd, 0x00) < 0)
return -EIO;
}
if (!success)
return -EIO;
PDEBUG(D_PROBE, "I2C synced in %d attempt(s)", i);
return 0;
}
/* Set the read and write slave IDs. The "slave" argument is the write slave,
* and the read slave will be set to (slave + 1).
* This should not be called from outside the i2c I/O functions.
* Sets I2C read and write slave IDs. Returns <0 for error
*/
static int ov51x_set_slave_ids(struct sd *sd,
__u8 slave)
{
int rc;
rc = reg_w(sd, R51x_I2C_W_SID, slave);
if (rc < 0)
return rc;
return reg_w(sd, R51x_I2C_R_SID, slave + 1);
}
struct ov_regvals {
__u8 reg;
__u8 val;
};
struct ov_i2c_regvals {
__u8 reg;
__u8 val;
};
static int write_regvals(struct sd *sd,
const struct ov_regvals *regvals,
int n)
{
int rc;
while (--n >= 0) {
rc = reg_w(sd, regvals->reg, regvals->val);
if (rc < 0)
return rc;
regvals++;
}
return 0;
}
static int write_i2c_regvals(struct sd *sd,
const struct ov_i2c_regvals *regvals,
int n)
{
int rc;
while (--n >= 0) {
rc = i2c_w(sd, regvals->reg, regvals->val);
if (rc < 0)
return rc;
regvals++;
}
return 0;
}
/****************************************************************************
*
* OV511 and sensor configuration
*
***************************************************************************/
/* This initializes the OV8110, OV8610 sensor. The OV8110 uses
* the same register settings as the OV8610, since they are very similar.
*/
static int ov8xx0_configure(struct sd *sd)
{
int rc;
static const struct ov_i2c_regvals norm_8610[] = {
{ 0x12, 0x80 },
{ 0x00, 0x00 },
{ 0x01, 0x80 },
{ 0x02, 0x80 },
{ 0x03, 0xc0 },
{ 0x04, 0x30 },
{ 0x05, 0x30 }, /* was 0x10, new from windrv 090403 */
{ 0x06, 0x70 }, /* was 0x80, new from windrv 090403 */
{ 0x0a, 0x86 },
{ 0x0b, 0xb0 },
{ 0x0c, 0x20 },
{ 0x0d, 0x20 },
{ 0x11, 0x01 },
{ 0x12, 0x25 },
{ 0x13, 0x01 },
{ 0x14, 0x04 },
{ 0x15, 0x01 }, /* Lin and Win think different about UV order */
{ 0x16, 0x03 },
{ 0x17, 0x38 }, /* was 0x2f, new from windrv 090403 */
{ 0x18, 0xea }, /* was 0xcf, new from windrv 090403 */
{ 0x19, 0x02 }, /* was 0x06, new from windrv 090403 */
{ 0x1a, 0xf5 },
{ 0x1b, 0x00 },
{ 0x20, 0xd0 }, /* was 0x90, new from windrv 090403 */
{ 0x23, 0xc0 }, /* was 0x00, new from windrv 090403 */
{ 0x24, 0x30 }, /* was 0x1d, new from windrv 090403 */
{ 0x25, 0x50 }, /* was 0x57, new from windrv 090403 */
{ 0x26, 0xa2 },
{ 0x27, 0xea },
{ 0x28, 0x00 },
{ 0x29, 0x00 },
{ 0x2a, 0x80 },
{ 0x2b, 0xc8 }, /* was 0xcc, new from windrv 090403 */
{ 0x2c, 0xac },
{ 0x2d, 0x45 }, /* was 0xd5, new from windrv 090403 */
{ 0x2e, 0x80 },
{ 0x2f, 0x14 }, /* was 0x01, new from windrv 090403 */
{ 0x4c, 0x00 },
{ 0x4d, 0x30 }, /* was 0x10, new from windrv 090403 */
{ 0x60, 0x02 }, /* was 0x01, new from windrv 090403 */
{ 0x61, 0x00 }, /* was 0x09, new from windrv 090403 */
{ 0x62, 0x5f }, /* was 0xd7, new from windrv 090403 */
{ 0x63, 0xff },
{ 0x64, 0x53 }, /* new windrv 090403 says 0x57,
* maybe thats wrong */
{ 0x65, 0x00 },
{ 0x66, 0x55 },
{ 0x67, 0xb0 },
{ 0x68, 0xc0 }, /* was 0xaf, new from windrv 090403 */
{ 0x69, 0x02 },
{ 0x6a, 0x22 },
{ 0x6b, 0x00 },
{ 0x6c, 0x99 }, /* was 0x80, old windrv says 0x00, but
deleting bit7 colors the first images red */
{ 0x6d, 0x11 }, /* was 0x00, new from windrv 090403 */
{ 0x6e, 0x11 }, /* was 0x00, new from windrv 090403 */
{ 0x6f, 0x01 },
{ 0x70, 0x8b },
{ 0x71, 0x00 },
{ 0x72, 0x14 },
{ 0x73, 0x54 },
{ 0x74, 0x00 },/* 0x60? - was 0x00, new from windrv 090403 */
{ 0x75, 0x0e },
{ 0x76, 0x02 }, /* was 0x02, new from windrv 090403 */
{ 0x77, 0xff },
{ 0x78, 0x80 },
{ 0x79, 0x80 },
{ 0x7a, 0x80 },
{ 0x7b, 0x10 }, /* was 0x13, new from windrv 090403 */
{ 0x7c, 0x00 },
{ 0x7d, 0x08 }, /* was 0x09, new from windrv 090403 */
{ 0x7e, 0x08 }, /* was 0xc0, new from windrv 090403 */
{ 0x7f, 0xfb },
{ 0x80, 0x28 },
{ 0x81, 0x00 },
{ 0x82, 0x23 },
{ 0x83, 0x0b },
{ 0x84, 0x00 },
{ 0x85, 0x62 }, /* was 0x61, new from windrv 090403 */
{ 0x86, 0xc9 },
{ 0x87, 0x00 },
{ 0x88, 0x00 },
{ 0x89, 0x01 },
{ 0x12, 0x20 },
{ 0x12, 0x25 }, /* was 0x24, new from windrv 090403 */
};
}
PDEBUG(D_PROBE, "starting ov8xx0 configuration");
/* Restarts OV511 after ov511_stop() is called. Has no effect if it is not
* actually stopped (for performance). */
static inline int ov51x_restart(struct sd *sd)
{
PDEBUG(D_STREAM, "restarting");
if (!sd->stopped)
return 0;
sd->stopped = 0;
if (init_ov_sensor(sd) < 0)
PDEBUG(D_ERR|D_PROBE, "Failed to read sensor ID");
else
PDEBUG(D_PROBE, "OV86x0 initialized");
/* Reinitialize the stream */
return reg_w(sd, OV519_SYS_RESET1, 0x00);
}
/* Detect sensor (sub)type */
rc = i2c_r(sd, OV7610_REG_COM_I);
if (rc < 0) {
PDEBUG(D_ERR, "Error detecting sensor type");
return -1;
}
if ((rc & 3) == 1) {
sd->sensor = SEN_OV8610;
} else {
PDEBUG(D_ERR, "Unknown image sensor version: %d", rc & 3);
return -1;
/* This does an initial reset of an OmniVision sensor and ensures that I2C
* is synchronized. Returns <0 on failure.
*/
static int init_ov_sensor(struct sd *sd)
{
int i, success;
/* Reset the sensor */
if (i2c_w(sd, 0x12, 0x80) < 0)
return -EIO;
/* Wait for it to initialize */
msleep(150);
for (i = 0, success = 0; i < i2c_detect_tries && !success; i++) {
if (i2c_r(sd, OV7610_REG_ID_HIGH) == 0x7f &&
i2c_r(sd, OV7610_REG_ID_LOW) == 0xa2) {
success = 1;
continue;
}
PDEBUG(D_PROBE, "Writing 8610 registers");
if (write_i2c_regvals(sd, norm_8610, ARRAY_SIZE(norm_8610)))
return -1;
/* Set sensor-specific vars */
/* sd->sif = 0; already done */
/* Reset the sensor */
if (i2c_w(sd, 0x12, 0x80) < 0)
return -EIO;
/* Wait for it to initialize */
msleep(150);
/* Dummy read to sync I2C */
if (i2c_r(sd, 0x00) < 0)
return -EIO;
}
if (!success)
return -EIO;
PDEBUG(D_PROBE, "I2C synced in %d attempt(s)", i);
return 0;
}
/* This initializes the OV7610, OV7620, or OV76BE sensor. The OV76BE uses
* the same register settings as the OV7610, since they are very similar.
/* Set the read and write slave IDs. The "slave" argument is the write slave,
* and the read slave will be set to (slave + 1).
* This should not be called from outside the i2c I/O functions.
* Sets I2C read and write slave IDs. Returns <0 for error
*/
static int ov7xx0_configure(struct sd *sd)
static int ov51x_set_slave_ids(struct sd *sd,
__u8 slave)
{
int rc, high, low;
int rc;
/* 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 },
};
rc = reg_w(sd, R51x_I2C_W_SID, slave);
if (rc < 0)
return rc;
sd->primary_i2c_slave = slave;
return reg_w(sd, R51x_I2C_R_SID, slave + 1);
}
static const struct ov_i2c_regvals norm_7620[] = {
{ 0x00, 0x00 }, /* gain */
{ 0x01, 0x80 }, /* blue gain */
{ 0x02, 0x80 }, /* red gain */
{ 0x03, 0xc0 }, /* OV7670_REG_VREF */
{ 0x06, 0x60 },
{ 0x07, 0x00 },
{ 0x0c, 0x24 },
{ 0x0c, 0x24 },
{ 0x0d, 0x24 },
{ 0x11, 0x01 },
{ 0x12, 0x24 },
{ 0x13, 0x01 },
{ 0x14, 0x84 },
{ 0x15, 0x01 },
{ 0x16, 0x03 },
{ 0x17, 0x2f },
{ 0x18, 0xcf },
{ 0x19, 0x06 },
{ 0x1a, 0xf5 },
{ 0x1b, 0x00 },
{ 0x20, 0x18 },
{ 0x21, 0x80 },
{ 0x22, 0x80 },
{ 0x23, 0x00 },
{ 0x26, 0xa2 },
{ 0x27, 0xea },
{ 0x28, 0x20 },
{ 0x29, 0x00 },
{ 0x2a, 0x10 },
{ 0x2b, 0x00 },
{ 0x2c, 0x88 },
{ 0x2d, 0x91 },
{ 0x2e, 0x80 },
{ 0x2f, 0x44 },
{ 0x60, 0x27 },
{ 0x61, 0x02 },
{ 0x62, 0x5f },
{ 0x63, 0xd5 },
{ 0x64, 0x57 },
{ 0x65, 0x83 },
{ 0x66, 0x55 },
{ 0x67, 0x92 },
{ 0x68, 0xcf },
{ 0x69, 0x76 },
{ 0x6a, 0x22 },
{ 0x6b, 0x00 },
{ 0x6c, 0x02 },
{ 0x6d, 0x44 },
{ 0x6e, 0x80 },
{ 0x6f, 0x1d },
{ 0x70, 0x8b },
{ 0x71, 0x00 },
{ 0x72, 0x14 },
{ 0x73, 0x54 },
{ 0x74, 0x00 },
{ 0x75, 0x8e },
{ 0x76, 0x00 },
{ 0x77, 0xff },
{ 0x78, 0x80 },
{ 0x79, 0x80 },
{ 0x7a, 0x80 },
{ 0x7b, 0xe2 },
{ 0x7c, 0x00 },
};
static int write_regvals(struct sd *sd,
const struct ov_regvals *regvals,
int n)
{
int rc;
/* 7640 and 7648. The defaults should be OK for most registers. */
static const struct ov_i2c_regvals norm_7640[] = {
{ 0x12, 0x80 },
{ 0x12, 0x14 },
};
while (--n >= 0) {
rc = reg_w(sd, regvals->reg, regvals->val);
if (rc < 0)
return rc;
regvals++;
}
return 0;
}
/* 7670. Defaults taken from OmniVision provided data,
* as provided by Jonathan Corbet of OLPC */
static const struct ov_i2c_regvals norm_7670[] = {
{ OV7670_REG_COM7, OV7670_COM7_RESET },
{ OV7670_REG_TSLB, 0x04 }, /* OV */
{ OV7670_REG_COM7, OV7670_COM7_FMT_VGA }, /* VGA */
{ OV7670_REG_CLKRC, 0x01 },
/*
* Set the hardware window. These values from OV don't entirely
* make sense - hstop is less than hstart. But they work...
*/
{ OV7670_REG_HSTART, 0x13 }, { OV7670_REG_HSTOP, 0x01 },
{ OV7670_REG_HREF, 0xb6 }, { OV7670_REG_VSTART, 0x02 },
{ OV7670_REG_VSTOP, 0x7a }, { OV7670_REG_VREF, 0x0a },
{ OV7670_REG_COM3, 0 }, { OV7670_REG_COM14, 0 },
/* Mystery scaling numbers */
{ 0x70, 0x3a }, { 0x71, 0x35 },
{ 0x72, 0x11 }, { 0x73, 0xf0 },
{ 0xa2, 0x02 },
/* { OV7670_REG_COM10, 0x0 }, */
static int write_i2c_regvals(struct sd *sd,
const struct ov_i2c_regvals *regvals,
int n)
{
int rc;
/* 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_REG_COM8, OV7670_COM8_FASTAEC
| OV7670_COM8_AECSTEP
| OV7670_COM8_BFILT },
{ OV7670_REG_GAIN, 0 }, { OV7670_REG_AECH, 0 },
{ OV7670_REG_COM4, 0x40 }, /* magic reserved bit */
{ OV7670_REG_COM9, 0x18 }, /* 4x gain + magic rsvd bit */
{ OV7670_REG_BD50MAX, 0x05 }, { OV7670_REG_BD60MAX, 0x07 },
{ OV7670_REG_AEW, 0x95 }, { OV7670_REG_AEB, 0x33 },
{ OV7670_REG_VPT, 0xe3 }, { OV7670_REG_HAECC1, 0x78 },
{ OV7670_REG_HAECC2, 0x68 },
{ 0xa1, 0x03 }, /* magic */
{ OV7670_REG_HAECC3, 0xd8 }, { OV7670_REG_HAECC4, 0xd8 },
{ OV7670_REG_HAECC5, 0xf0 }, { OV7670_REG_HAECC6, 0x90 },
{ OV7670_REG_HAECC7, 0x94 },
{ OV7670_REG_COM8, OV7670_COM8_FASTAEC
| OV7670_COM8_AECSTEP
| OV7670_COM8_BFILT
| OV7670_COM8_AGC
| OV7670_COM8_AEC },
while (--n >= 0) {
rc = i2c_w(sd, regvals->reg, regvals->val);
if (rc < 0)
return rc;
regvals++;
}
return 0;
}
/* Almost all of these are magic "reserved" values. */
{ OV7670_REG_COM5, 0x61 }, { OV7670_REG_COM6, 0x4b },
{ 0x16, 0x02 },
{ OV7670_REG_MVFP, 0x07 },
{ 0x21, 0x02 }, { 0x22, 0x91 },
{ 0x29, 0x07 }, { 0x33, 0x0b },
{ 0x35, 0x0b }, { 0x37, 0x1d },
{ 0x38, 0x71 }, { 0x39, 0x2a },
{ OV7670_REG_COM12, 0x78 }, { 0x4d, 0x40 },
{ 0x4e, 0x20 }, { OV7670_REG_GFIX, 0 },
{ 0x6b, 0x4a }, { 0x74, 0x10 },
{ 0x8d, 0x4f }, { 0x8e, 0 },
{ 0x8f, 0 }, { 0x90, 0 },
{ 0x91, 0 }, { 0x96, 0 },
{ 0x9a, 0 }, { 0xb0, 0x84 },
{ 0xb1, 0x0c }, { 0xb2, 0x0e },
{ 0xb3, 0x82 }, { 0xb8, 0x0a },
/* More reserved magic, some of which tweaks white balance */
{ 0x43, 0x0a }, { 0x44, 0xf0 },
{ 0x45, 0x34 }, { 0x46, 0x58 },
{ 0x47, 0x28 }, { 0x48, 0x3a },
{ 0x59, 0x88 }, { 0x5a, 0x88 },
{ 0x5b, 0x44 }, { 0x5c, 0x67 },
{ 0x5d, 0x49 }, { 0x5e, 0x0e },
{ 0x6c, 0x0a }, { 0x6d, 0x55 },
{ 0x6e, 0x11 }, { 0x6f, 0x9f },
/* "9e for advance AWB" */
{ 0x6a, 0x40 }, { OV7670_REG_BLUE, 0x40 },
{ OV7670_REG_RED, 0x60 },
{ OV7670_REG_COM8, OV7670_COM8_FASTAEC
| OV7670_COM8_AECSTEP
| OV7670_COM8_BFILT
| OV7670_COM8_AGC
| OV7670_COM8_AEC
| OV7670_COM8_AWB },
/****************************************************************************
*
* OV511 and sensor configuration
*
***************************************************************************/
/* This initializes the OV8110, OV8610 sensor. The OV8110 uses
* the same register settings as the OV8610, since they are very similar.
*/
static int ov8xx0_configure(struct sd *sd)
{
int rc;
/* Matrix coefficients */
{ 0x4f, 0x80 }, { 0x50, 0x80 },
{ 0x51, 0 }, { 0x52, 0x22 },
{ 0x53, 0x5e }, { 0x54, 0x80 },
{ 0x58, 0x9e },
PDEBUG(D_PROBE, "starting ov8xx0 configuration");
{ OV7670_REG_COM16, OV7670_COM16_AWBGAIN },
{ OV7670_REG_EDGE, 0 },
{ 0x75, 0x05 }, { 0x76, 0xe1 },
{ 0x4c, 0 }, { 0x77, 0x01 },
{ OV7670_REG_COM13, OV7670_COM13_GAMMA
| OV7670_COM13_UVSAT
| 2}, /* was 3 */
{ 0x4b, 0x09 },
{ 0xc9, 0x60 }, { OV7670_REG_COM16, 0x38 },
{ 0x56, 0x40 },
/* Detect sensor (sub)type */
rc = i2c_r(sd, OV7610_REG_COM_I);
if (rc < 0) {
PDEBUG(D_ERR, "Error detecting sensor type");
return -1;
}
if ((rc & 3) == 1) {
sd->sensor = SEN_OV8610;
} else {
PDEBUG(D_ERR, "Unknown image sensor version: %d", rc & 3);
return -1;
}
{ 0x34, 0x11 },
{ OV7670_REG_COM11, OV7670_COM11_EXP|OV7670_COM11_HZAUTO },
{ 0xa4, 0x88 }, { 0x96, 0 },
{ 0x97, 0x30 }, { 0x98, 0x20 },
{ 0x99, 0x30 }, { 0x9a, 0x84 },
{ 0x9b, 0x29 }, { 0x9c, 0x03 },
{ 0x9d, 0x4c }, { 0x9e, 0x3f },
{ 0x78, 0x04 },
/* Set sensor-specific vars */
/* sd->sif = 0; already done */
return 0;
}
/* This initializes the OV7610, OV7620, or OV76BE sensor. The OV76BE uses
* the same register settings as the OV7610, since they are very similar.
*/
static int ov7xx0_configure(struct sd *sd)
{
int rc, high, low;
/* 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 },
};
PDEBUG(D_PROBE, "starting OV7xx0 configuration");
......@@ -1011,8 +1196,9 @@ static int ov7xx0_configure(struct sd *sd)
switch (low) {
case 0x30:
PDEBUG(D_PROBE, "Sensor is an OV7630/OV7635");
sd->sensor = SEN_OV7630;
break;
PDEBUG(D_ERR,
"7630 is not supported by this driver");
return -1;
case 0x40:
PDEBUG(D_PROBE, "Sensor is an OV7645");
sd->sensor = SEN_OV7640; /* FIXME */
......@@ -1038,32 +1224,6 @@ static int ov7xx0_configure(struct sd *sd)
return -1;
}
switch (sd->sensor) {
case SEN_OV7620:
PDEBUG(D_PROBE, "Writing 7620 registers");
if (write_i2c_regvals(sd, norm_7620, ARRAY_SIZE(norm_7620)))
return -1;
break;
case SEN_OV7630:
PDEBUG(D_ERR, "7630 is not supported by this driver version");
return -1;
case SEN_OV7640:
PDEBUG(D_PROBE, "Writing 7640 registers");
if (write_i2c_regvals(sd, norm_7640, ARRAY_SIZE(norm_7640)))
return -1;
break;
case SEN_OV7670:
PDEBUG(D_PROBE, "Writing 7670 registers");
if (write_i2c_regvals(sd, norm_7670, ARRAY_SIZE(norm_7670)))
return -1;
break;
default:
PDEBUG(D_PROBE, "Writing 7610 registers");
if (write_i2c_regvals(sd, norm_7610, ARRAY_SIZE(norm_7610)))
return -1;
break;
}
/* Set sensor-specific vars */
/* sd->sif = 0; already done */
return 0;
......@@ -1073,141 +1233,7 @@ static int ov7xx0_configure(struct sd *sd)
static int ov6xx0_configure(struct sd *sd)
{
int rc;
static const struct ov_i2c_regvals norm_6x20[] = {
{ 0x12, 0x80 }, /* reset */
{ 0x11, 0x01 },
{ 0x03, 0x60 },
{ 0x05, 0x7f }, /* For when autoadjust is off */
{ 0x07, 0xa8 },
/* The ratio of 0x0c and 0x0d controls the white point */
{ 0x0c, 0x24 },
{ 0x0d, 0x24 },
{ 0x0f, 0x15 }, /* COMS */
{ 0x10, 0x75 }, /* AEC Exposure time */
{ 0x12, 0x24 }, /* Enable AGC */
{ 0x14, 0x04 },
/* 0x16: 0x06 helps frame stability with moving objects */
{ 0x16, 0x06 },
/* { 0x20, 0x30 }, * Aperture correction enable */
{ 0x26, 0xb2 }, /* BLC enable */
/* 0x28: 0x05 Selects RGB format if RGB on */
{ 0x28, 0x05 },
{ 0x2a, 0x04 }, /* Disable framerate adjust */
/* { 0x2b, 0xac }, * Framerate; Set 2a[7] first */
{ 0x2d, 0x99 },
{ 0x33, 0xa0 }, /* Color Processing Parameter */
{ 0x34, 0xd2 }, /* Max A/D range */
{ 0x38, 0x8b },
{ 0x39, 0x40 },
{ 0x3c, 0x39 }, /* Enable AEC mode changing */
{ 0x3c, 0x3c }, /* Change AEC mode */
{ 0x3c, 0x24 }, /* Disable AEC mode changing */
{ 0x3d, 0x80 },
/* These next two registers (0x4a, 0x4b) are undocumented.
* They control the color balance */
{ 0x4a, 0x80 },
{ 0x4b, 0x80 },
{ 0x4d, 0xd2 }, /* This reduces noise a bit */
{ 0x4e, 0xc1 },
{ 0x4f, 0x04 },
/* Do 50-53 have any effect? */
/* Toggle 0x12[2] off and on here? */
};
static const struct ov_i2c_regvals norm_6x30[] = {
{ 0x12, 0x80 }, /* Reset */
{ 0x00, 0x1f }, /* Gain */
{ 0x01, 0x99 }, /* Blue gain */
{ 0x02, 0x7c }, /* Red gain */
{ 0x03, 0xc0 }, /* Saturation */
{ 0x05, 0x0a }, /* Contrast */
{ 0x06, 0x95 }, /* Brightness */
{ 0x07, 0x2d }, /* Sharpness */
{ 0x0c, 0x20 },
{ 0x0d, 0x20 },
{ 0x0e, 0x20 },
{ 0x0f, 0x05 },
{ 0x10, 0x9a },
{ 0x11, 0x00 }, /* Pixel clock = fastest */
{ 0x12, 0x24 }, /* Enable AGC and AWB */
{ 0x13, 0x21 },
{ 0x14, 0x80 },
{ 0x15, 0x01 },
{ 0x16, 0x03 },
{ 0x17, 0x38 },
{ 0x18, 0xea },
{ 0x19, 0x04 },
{ 0x1a, 0x93 },
{ 0x1b, 0x00 },
{ 0x1e, 0xc4 },
{ 0x1f, 0x04 },
{ 0x20, 0x20 },
{ 0x21, 0x10 },
{ 0x22, 0x88 },
{ 0x23, 0xc0 }, /* Crystal circuit power level */
{ 0x25, 0x9a }, /* Increase AEC black ratio */
{ 0x26, 0xb2 }, /* BLC enable */
{ 0x27, 0xa2 },
{ 0x28, 0x00 },
{ 0x29, 0x00 },
{ 0x2a, 0x84 }, /* 60 Hz power */
{ 0x2b, 0xa8 }, /* 60 Hz power */
{ 0x2c, 0xa0 },
{ 0x2d, 0x95 }, /* Enable auto-brightness */
{ 0x2e, 0x88 },
{ 0x33, 0x26 },
{ 0x34, 0x03 },
{ 0x36, 0x8f },
{ 0x37, 0x80 },
{ 0x38, 0x83 },
{ 0x39, 0x80 },
{ 0x3a, 0x0f },
{ 0x3b, 0x3c },
{ 0x3c, 0x1a },
{ 0x3d, 0x80 },
{ 0x3e, 0x80 },
{ 0x3f, 0x0e },
{ 0x40, 0x00 }, /* White bal */
{ 0x41, 0x00 }, /* White bal */
{ 0x42, 0x80 },
{ 0x43, 0x3f }, /* White bal */
{ 0x44, 0x80 },
{ 0x45, 0x20 },
{ 0x46, 0x20 },
{ 0x47, 0x80 },
{ 0x48, 0x7f },
{ 0x49, 0x00 },
{ 0x4a, 0x00 },
{ 0x4b, 0x80 },
{ 0x4c, 0xd0 },
{ 0x4d, 0x10 }, /* U = 0.563u, V = 0.714v */
{ 0x4e, 0x40 },
{ 0x4f, 0x07 }, /* UV avg., col. killer: max */
{ 0x50, 0xff },
{ 0x54, 0x23 }, /* Max AGC gain: 18dB */
{ 0x55, 0xff },
{ 0x56, 0x12 },
{ 0x57, 0x81 },
{ 0x58, 0x75 },
{ 0x59, 0x01 }, /* AGC dark current comp.: +1 */
{ 0x5a, 0x2c },
{ 0x5b, 0x0f }, /* AWB chrominance levels */
{ 0x5c, 0x10 },
{ 0x3d, 0x80 },
{ 0x27, 0xa6 },
{ 0x12, 0x20 }, /* Toggle AWB */
{ 0x12, 0x24 },
};
PDEBUG(D_PROBE, "starting sensor configuration");
if (init_ov_sensor(sd) < 0) {
PDEBUG(D_ERR, "Failed to read sensor ID.");
return -1;
}
PDEBUG(D_PROBE, "OV6xx0 sensor detected");
PDEBUG(D_PROBE, "starting OV6xx0 configuration");
/* Detect sensor (sub)type */
rc = i2c_r(sd, OV7610_REG_COM_I);
......@@ -1251,15 +1277,6 @@ static int ov6xx0_configure(struct sd *sd)
/* Set sensor-specific vars */
sd->sif = 1;
if (sd->sensor == SEN_OV6620) {
PDEBUG(D_PROBE, "Writing 6x20 registers");
if (write_i2c_regvals(sd, norm_6x20, ARRAY_SIZE(norm_6x20)))
return -1;
} else {
PDEBUG(D_PROBE, "Writing 6x30 registers");
if (write_i2c_regvals(sd, norm_6x30, ARRAY_SIZE(norm_6x30)))
return -1;
}
return 0;
}
......@@ -1298,22 +1315,31 @@ static int sd_config(struct gspca_dev *gspca_dev,
ov51x_led_control(sd, 0); /* turn LED off */
/* Test for 76xx */
sd->primary_i2c_slave = OV7xx0_SID;
if (ov51x_set_slave_ids(sd, OV7xx0_SID) < 0)
goto error;
/* The OV519 must be more aggressive about sensor detection since
* I2C write will never fail if the sensor is not present. We have
* to try to initialize the sensor to detect its presence */
if (init_ov_sensor(sd) < 0) {
if (init_ov_sensor(sd) >= 0) {
if (ov7xx0_configure(sd) < 0) {
PDEBUG(D_ERR, "Failed to configure OV7xx0");
goto error;
}
} else {
/* Test for 6xx0 */
sd->primary_i2c_slave = OV6xx0_SID;
if (ov51x_set_slave_ids(sd, OV6xx0_SID) < 0)
goto error;
if (init_ov_sensor(sd) < 0) {
if (init_ov_sensor(sd) >= 0) {
if (ov6xx0_configure(sd) < 0) {
PDEBUG(D_ERR, "Failed to configure OV6xx0");
goto error;
}
} else {
/* Test for 8xx0 */
sd->primary_i2c_slave = OV8xx0_SID;
if (ov51x_set_slave_ids(sd, OV8xx0_SID) < 0)
goto error;
......@@ -1321,24 +1347,13 @@ static int sd_config(struct gspca_dev *gspca_dev,
PDEBUG(D_ERR,
"Can't determine sensor slave IDs");
goto error;
} else {
}
if (ov8xx0_configure(sd) < 0) {
PDEBUG(D_ERR,
"Failed to configure OV8xx0 sensor");
goto error;
}
}
} else {
if (ov6xx0_configure(sd) < 0) {
PDEBUG(D_ERR, "Failed to configure OV6xx0");
goto error;
}
}
} else {
if (ov7xx0_configure(sd) < 0) {
PDEBUG(D_ERR, "Failed to configure OV7xx0");
goto error;
}
}
cam = &gspca_dev->cam;
......@@ -1364,6 +1379,41 @@ static int sd_config(struct gspca_dev *gspca_dev,
/* this function is called at open time */
static int sd_open(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
/* initialize the sensor */
switch (sd->sensor) {
case SEN_OV6620:
if (write_i2c_regvals(sd, norm_6x20, ARRAY_SIZE(norm_6x20)))
return -EIO;
break;
case SEN_OV6630:
if (write_i2c_regvals(sd, norm_6x30, ARRAY_SIZE(norm_6x30)))
return -EIO;
break;
default:
/* case SEN_OV7610: */
/* case SEN_OV76BE: */
if (write_i2c_regvals(sd, norm_7610, ARRAY_SIZE(norm_7610)))
return -EIO;
break;
case SEN_OV7620:
if (write_i2c_regvals(sd, norm_7620, ARRAY_SIZE(norm_7620)))
return -EIO;
break;
case SEN_OV7640:
if (write_i2c_regvals(sd, norm_7640, ARRAY_SIZE(norm_7640)))
return -EIO;
break;
case SEN_OV7670:
if (write_i2c_regvals(sd, norm_7670, ARRAY_SIZE(norm_7670)))
return -EIO;
break;
case SEN_OV8610:
if (write_i2c_regvals(sd, norm_8610, ARRAY_SIZE(norm_8610)))
return -EIO;
break;
}
return 0;
}
......
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