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提交 ebbb5c3e 编写于 作者: H Hans de Goede 提交者： Mauro Carvalho Chehab
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V4L/DVB (13146): gspca_ov519: cleanup sensor handling 

There were various "if (sensor == foo)" pieces of code inside ov519.c,
move these bits to the sensor specific init functions, where they
belong.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 b46aaa02
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drivers/media/video/gspca/ov519.c
浏览文件 @ ebbb5c3e
......@@ -3501,7 +3501,8 @@ static int ov519_mode_init_regs(struct sd *sd)
static int mode_init_ov_sensor_regs(struct sd *sd)
{
struct gspca_dev *gspca_dev;
int qvga;
int qvga, xstart, xend, ystart, yend;
__u8 v;
gspca_dev = &sd->gspca_dev;
qvga = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv & 1;
......@@ -3517,9 +3518,7 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0);
i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20);
return 0;
case SEN_OV3610: {
int xstart, xend, ystart, yend;
case SEN_OV3610:
if (qvga) {
xstart = (1040 - gspca_dev->width) / 2 + (0x1f << 4);
ystart = (776 - gspca_dev->height) / 2;
......@@ -3543,13 +3542,19 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
i2c_w(sd, 0x19, ystart >> 3);
i2c_w(sd, 0x1a, yend >> 3);
return 0;
}
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_OV76BE:
......@@ -3560,6 +3565,10 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
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:
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
......@@ -3569,6 +3578,7 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
/* 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); */
i2c_w_mask(sd, 0x12, 0x04, 0x04); /* AWB: 1 */
break;
case SEN_OV7670:
/* set COM7_FMT_VGA or COM7_FMT_QVGA
......@@ -3577,55 +3587,56 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
i2c_w_mask(sd, OV7670_REG_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_REG_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_REG_HSTART, xstart >> 3);
i2c_w(sd, OV7670_REG_HSTOP, xend >> 3);
v = i2c_r(sd, OV7670_REG_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_REG_HREF, v);
i2c_w(sd, OV7670_REG_VSTART, ystart >> 2);
i2c_w(sd, OV7670_REG_VSTOP, yend >> 2);
v = i2c_r(sd, OV7670_REG_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_REG_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;
default:
return -EINVAL;
}
/******** Palette-specific regs ********/
/* The OV518 needs special treatment. Although both the OV518
* and the OV6630 support a 16-bit video bus, only the 8 bit Y
* bus is actually used. The UV bus is tied to ground.
* Therefore, the OV6630 needs to be in 8-bit multiplexed
* output mode */
/* OV7640 is 8-bit only */
if (sd->sensor != SEN_OV6630 && sd->sensor != SEN_OV66308AF &&
sd->sensor != SEN_OV7640)
i2c_w_mask(sd, 0x13, 0x00, 0x20);
/******** Clock programming ********/
i2c_w(sd, 0x11, sd->clockdiv);
/******** Special Features ********/
/* no evidence this is possible with OV7670, either */
/* Test Pattern */
if (sd->sensor != SEN_OV7640 && sd->sensor != SEN_OV7670)
i2c_w_mask(sd, 0x12, 0x00, 0x02);
/* Enable auto white balance */
if (sd->sensor == SEN_OV7670)
i2c_w_mask(sd, OV7670_REG_COM8, OV7670_COM8_AWB,
OV7670_COM8_AWB);
else
i2c_w_mask(sd, 0x12, 0x04, 0x04);
/* This will go away as soon as ov51x_mode_init_sensor_regs() */
/* is fully tested. */
/* 7620/6620/6630? don't have register 0x35, so play it safe */
if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) {
if (!qvga)
i2c_w(sd, 0x35, 0x9e);
else
i2c_w(sd, 0x35, 0x1e);
}
return 0;
}
......@@ -3648,11 +3659,11 @@ static int set_ov_sensor_window(struct sd *sd)
struct gspca_dev *gspca_dev;
int qvga, crop;
int hwsbase, hwebase, vwsbase, vwebase, hwscale, vwscale;
int ret, hstart, hstop, vstop, vstart;
__u8 v;
int ret;
/* mode setup is fully handled in mode_init_ov_sensor_regs for these */
if (sd->sensor == SEN_OV2610 || sd->sensor == SEN_OV3610)
if (sd->sensor == SEN_OV2610 || sd->sensor == SEN_OV3610 ||
sd->sensor == SEN_OV7670)
return mode_init_ov_sensor_regs(sd);
gspca_dev = &sd->gspca_dev;
......@@ -3701,11 +3712,6 @@ static int set_ov_sensor_window(struct sd *sd)
hwebase = 0x1a;
vwsbase = vwebase = 0x03;
break;
case SEN_OV7670:
/*handling of OV7670 hardware sensor start and stop values
* is very odd, compared to the other OV sensors */
vwsbase = vwebase = hwebase = hwsbase = 0x00;
break;
default:
return -EINVAL;
}
......@@ -3746,58 +3752,11 @@ static int set_ov_sensor_window(struct sd *sd)
if (ret < 0)
return ret;
if (sd->sensor == SEN_OV8610) {
i2c_w_mask(sd, 0x2d, 0x05, 0x40);
/* old 0x95, new 0x05 from windrv 090403 */
/* bits 5-7: reserved */
i2c_w_mask(sd, 0x28, 0x20, 0x20);
/* bit 5: progressive mode on */
}
/* The below is wrong for OV7670s because their window registers
* only store the high bits in 0x17 to 0x1a */
/* SRH Use sd->max values instead of requested win values */
/* SCS Since we're sticking with only the max hardware widths
* for a given mode */
/* I can hard code this for OV7670s */
/* Yes, these numbers do look odd, but they're tested and work! */
if (sd->sensor == SEN_OV7670) {
if (qvga) { /* QVGA from ov7670.c by
* Jonathan Corbet */
hstart = 164;
hstop = 28;
vstart = 14;
vstop = 494;
} else { /* VGA */
hstart = 158;
hstop = 14;
vstart = 10;
vstop = 490;
}
/* OV7670 hardware window registers are split across
* multiple locations */
i2c_w(sd, OV7670_REG_HSTART, hstart >> 3);
i2c_w(sd, OV7670_REG_HSTOP, hstop >> 3);
v = i2c_r(sd, OV7670_REG_HREF);
v = (v & 0xc0) | ((hstop & 0x7) << 3) | (hstart & 0x07);
msleep(10); /* need to sleep between read and write to
* same reg! */
i2c_w(sd, OV7670_REG_HREF, v);
i2c_w(sd, OV7670_REG_VSTART, vstart >> 2);
i2c_w(sd, OV7670_REG_VSTOP, vstop >> 2);
v = i2c_r(sd, OV7670_REG_VREF);
v = (v & 0xc0) | ((vstop & 0x3) << 2) | (vstart & 0x03);
msleep(10); /* need to sleep between read and write to
* same reg! */
i2c_w(sd, OV7670_REG_VREF, v);
} else {
i2c_w(sd, 0x17, hwsbase);
i2c_w(sd, 0x18, hwebase + (sd->gspca_dev.width >> hwscale));
i2c_w(sd, 0x19, vwsbase);
i2c_w(sd, 0x1a, vwebase + (sd->gspca_dev.height >> vwscale));
}
return 0;
}
......
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