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authorJean-Francois Moine <moinejf@free.fr>2009-01-16 16:24:28 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:42:32 -0300
commit0dbc2c1674b346ff22f729af14efa4822f81325c (patch)
tree9ea29bd7e009616914fc07e280de1a5ac7121627 /drivers
parent576ed7b5696b9435e8e6a6ec0c57da1f19c7e469 (diff)
V4L/DVB (10368): gspca - spca561: Fix bugs and rewrite the init/start of the rev72a.
The bugs were in the first init sequence of the sensor. The rewrite is adapted from a ms-win trace. Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/gspca/spca561.c168
1 files changed, 42 insertions, 126 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c
index 386aaec3e6e..c99fe0f904f 100644
--- a/drivers/media/video/gspca/spca561.c
+++ b/drivers/media/video/gspca/spca561.c
@@ -145,33 +145,34 @@ static const struct v4l2_pix_format sif_072a_mode[] = {
#define SPCA561_SNAPBIT 0x20
#define SPCA561_SNAPCTRL 0x40
-static const __u16 rev72a_init_data1[][2] = {
+static const u16 rev72a_reset[][2] = {
{0x0000, 0x8114}, /* Software GPIO output data */
{0x0001, 0x8114}, /* Software GPIO output data */
{0x0000, 0x8112}, /* Some kind of reset */
+ {}
+};
+static const __u16 rev72a_init_data1[][2] = {
{0x0003, 0x8701}, /* PCLK clock delay adjustment */
{0x0001, 0x8703}, /* HSYNC from cmos inverted */
{0x0011, 0x8118}, /* Enable and conf sensor */
{0x0001, 0x8118}, /* Conf sensor */
{0x0092, 0x8804}, /* I know nothing about these */
{0x0010, 0x8802}, /* 0x88xx registers, so I won't */
- {0x000d, 0x8805}, /* sensor default setting */
{}
};
-static const __u16 rev72a_init_sensor1[][2] = {
- /* ms-win values */
- {0x0001, 0x0018}, /* 0x01 <- 0x0d */
- {0x0002, 0x0065}, /* 0x02 <- 0x18 */
- {0x0004, 0x0121}, /* 0x04 <- 0x0165 */
- {0x0005, 0x00aa}, /* 0x05 <- 0x21 */
- {0x0007, 0x0004}, /* 0x07 <- 0xaa */
- {0x0020, 0x1502}, /* 0x20 <- 0x1504 */
- {0x0039, 0x0010}, /* 0x39 <- 0x02 */
- {0x0035, 0x0049}, /* 0x35 <- 0x10 */
- {0x0009, 0x100b}, /* 0x09 <- 0x1049 */
- {0x0028, 0x000f}, /* 0x28 <- 0x0b */
- {0x003b, 0x003c}, /* 0x3b <- 0x0f */
- {0x003c, 0x0000}, /* 0x3c <- 0x00 */
+static const u16 rev72a_init_sensor1[][2] = {
+ {0x0001, 0x000d},
+ {0x0002, 0x0018},
+ {0x0004, 0x0165},
+ {0x0005, 0x0021},
+ {0x0007, 0x00aa},
+ {0x0020, 0x1504},
+ {0x0039, 0x0002},
+ {0x0035, 0x0010},
+ {0x0009, 0x1049},
+ {0x0028, 0x000b},
+ {0x003b, 0x000f},
+ {0x003c, 0x0000},
{}
};
static const __u16 rev72a_init_data2[][2] = {
@@ -189,15 +190,10 @@ static const __u16 rev72a_init_data2[][2] = {
{0x0002, 0x8201}, /* Output address for r/w serial EEPROM */
{0x0008, 0x8200}, /* Clear valid bit for serial EEPROM */
{0x0001, 0x8200}, /* OprMode to be executed by hardware */
- {0x0007, 0x8201}, /* Output address for r/w serial EEPROM */
- {0x0008, 0x8200}, /* Clear valid bit for serial EEPROM */
- {0x0001, 0x8200}, /* OprMode to be executed by hardware */
- {0x0010, 0x8660}, /* Compensation memory stuff */
- {0x0018, 0x8660}, /* Compensation memory stuff */
-
- {0x0004, 0x8611}, /* R offset for white balance */
- {0x0004, 0x8612}, /* Gr offset for white balance */
- {0x0007, 0x8613}, /* B offset for white balance */
+/* from ms-win */
+ {0x0000, 0x8611}, /* R offset for white balance */
+ {0x00fd, 0x8612}, /* Gr offset for white balance */
+ {0x0003, 0x8613}, /* B offset for white balance */
{0x0000, 0x8614}, /* Gb offset for white balance */
/* from ms-win */
{0x0035, 0x8651}, /* R gain for white balance */
@@ -205,8 +201,8 @@ static const __u16 rev72a_init_data2[][2] = {
{0x005f, 0x8653}, /* B gain for white balance */
{0x0040, 0x8654}, /* Gb gain for white balance */
{0x0002, 0x8502}, /* Maximum average bit rate stuff */
-
{0x0011, 0x8802},
+
{0x0087, 0x8700}, /* Set master clock (96Mhz????) */
{0x0081, 0x8702}, /* Master clock output enable */
@@ -217,104 +213,15 @@ static const __u16 rev72a_init_data2[][2] = {
{0x0003, 0x865c}, /* Vertical offset for valid lines */
{}
};
-static const __u16 rev72a_init_sensor2[][2] = {
- /* ms-win values */
- {0x0003, 0x0121}, /* 0x03 <- 0x01 0x21 //289 */
- {0x0004, 0x0165}, /* 0x04 <- 0x01 0x65 //357 */
- {0x0005, 0x002f}, /* 0x05 <- 0x2f */
- {0x0006, 0x0000}, /* 0x06 <- 0 */
- {0x000a, 0x0002}, /* 0x0a <- 2 */
- {0x0009, 0x1061}, /* 0x09 <- 0x1061 */
- {0x0035, 0x0014}, /* 0x35 <- 0x14 */
- {}
-};
-static const __u16 rev72a_init_data3[][2] = {
- {0x0030, 0x8112}, /* ISO and drop packet enable */
-/*fixme: should stop here*/
- {0x0000, 0x8112}, /* Some kind of reset ???? */
- {0x0009, 0x8118}, /* Enable sensor and set standby */
- {0x0000, 0x8114}, /* Software GPIO output data */
- {0x0000, 0x8114}, /* Software GPIO output data */
- {0x0001, 0x8114}, /* Software GPIO output data */
- {0x0000, 0x8112}, /* Some kind of reset ??? */
- {0x0003, 0x8701},
- {0x0001, 0x8703},
- {0x0011, 0x8118},
- {0x0001, 0x8118},
- /***************/
- {0x0092, 0x8804},
- {0x0010, 0x8802},
- {0x000d, 0x8805},
- {0x0001, 0x8801},
- {0x0000, 0x8800},
- {0x0018, 0x8805},
- {0x0002, 0x8801},
- {0x0000, 0x8800},
- {0x0065, 0x8805},
- {0x0004, 0x8801},
- {0x0001, 0x8800},
- {0x0021, 0x8805},
- {0x0005, 0x8801},
- {0x0000, 0x8800},
- {0x00aa, 0x8805},
- {0x0007, 0x8801}, /* mode 0xaa */
- {0x0000, 0x8800},
- {0x0004, 0x8805},
- {0x0020, 0x8801},
- {0x0015, 0x8800}, /* mode 0x0415 */
- {0x0002, 0x8805},
- {0x0039, 0x8801},
- {0x0000, 0x8800},
- {0x0010, 0x8805},
- {0x0035, 0x8801},
- {0x0000, 0x8800},
- {0x0049, 0x8805},
- {0x0009, 0x8801},
- {0x0010, 0x8800},
- {0x000b, 0x8805},
- {0x0028, 0x8801},
- {0x0000, 0x8800},
- {0x000f, 0x8805},
- {0x003b, 0x8801},
- {0x0000, 0x8800},
- {0x0000, 0x8805},
- {0x003c, 0x8801},
- {0x0000, 0x8800},
- {0x0002, 0x8502},
- {0x0039, 0x8801},
- {0x0000, 0x8805},
- {0x0000, 0x8800},
-
- {0x0087, 0x8700}, /* overwrite by start */
- {0x0081, 0x8702},
- {0x0000, 0x8500},
-/* {0x0010, 0x8500}, -- Previous line was this */
- {0x0002, 0x865b},
- {0x0003, 0x865c},
- /***************/
- {0x0003, 0x8801}, /* 0x121-> 289 */
- {0x0021, 0x8805},
- {0x0001, 0x8800},
- {0x0004, 0x8801}, /* 0x165 -> 357 */
- {0x0065, 0x8805},
- {0x0001, 0x8800},
- {0x0005, 0x8801}, /* 0x2f //blanking control colonne */
- {0x002f, 0x8805},
- {0x0000, 0x8800},
- {0x0006, 0x8801}, /* 0x00 //blanking mode row */
- {0x0000, 0x8805},
- {0x0000, 0x8800},
- {0x000a, 0x8801}, /* 0x01 //0x02 */
- {0x0001, 0x8805},
- {0x0000, 0x8800},
- {0x0009, 0x8801}, /* 0x1061 - setexposure times && pixel clock
+static const u16 rev72a_init_sensor2[][2] = {
+ {0x0003, 0x0121},
+ {0x0004, 0x0165},
+ {0x0005, 0x002f}, /* blanking control column */
+ {0x0006, 0x0000}, /* blanking mode row*/
+ {0x000a, 0x0002},
+ {0x0009, 0x1061}, /* setexposure times && pixel clock
* 0001 0 | 000 0110 0001 */
- {0x0061, 0x8805}, /* 61 31 */
- {0x0008, 0x8800}, /* 08 */
- {0x0035, 0x8801}, /* 0x14 - set gain general */
- {0x001f, 0x8805}, /* 0x14 */
- {0x0000, 0x8800},
- {0x000e, 0x8112}, /* white balance - was 30 */
+ {0x0035, 0x0014},
{}
};
@@ -459,6 +366,7 @@ static void i2c_write(struct gspca_dev *gspca_dev, __u16 value, __u16 reg)
reg_r(gspca_dev, 0x8803, 1);
if (!gspca_dev->usb_buf[0])
return;
+ msleep(10);
} while (--retry);
}
@@ -478,6 +386,7 @@ static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
reg_r(gspca_dev, 0x8805, 1);
return ((int) value << 8) | gspca_dev->usb_buf[0];
}
+ msleep(10);
} while (--retry);
return -1;
}
@@ -570,11 +479,13 @@ static int sd_init_12a(struct gspca_dev *gspca_dev)
static int sd_init_72a(struct gspca_dev *gspca_dev)
{
PDEBUG(D_STREAM, "Chip revision: 072a");
+ write_vector(gspca_dev, rev72a_reset);
+ msleep(200);
write_vector(gspca_dev, rev72a_init_data1);
write_sensor_72a(gspca_dev, rev72a_init_sensor1);
write_vector(gspca_dev, rev72a_init_data2);
write_sensor_72a(gspca_dev, rev72a_init_sensor2);
- write_vector(gspca_dev, rev72a_init_data3);
+ reg_w_val(gspca_dev->dev, 0x8112, 0x30);
return 0;
}
@@ -729,6 +640,11 @@ static int sd_start_72a(struct gspca_dev *gspca_dev)
int Clck;
int mode;
+ write_vector(gspca_dev, rev72a_reset);
+ msleep(200);
+ write_vector(gspca_dev, rev72a_init_data1);
+ write_sensor_72a(gspca_dev, rev72a_init_sensor1);
+
mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
switch (mode) {
default:
@@ -745,11 +661,11 @@ static int sd_start_72a(struct gspca_dev *gspca_dev)
}
reg_w_val(dev, 0x8500, mode); /* mode */
reg_w_val(dev, 0x8700, Clck); /* 0x27 clock */
- reg_w_val(dev, 0x8112, 0x10 | 0x20);
+ write_sensor_72a(gspca_dev, rev72a_init_sensor2);
setcontrast(gspca_dev);
/* setbrightness(gspca_dev); * fixme: bad values */
- setwhite(gspca_dev);
setautogain(gspca_dev);
+ reg_w_val(dev, 0x8112, 0x10 | 0x20);
return 0;
}