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-rw-r--r--drivers/media/video/gspca/mr97310a.c98
1 files changed, 45 insertions, 53 deletions
diff --git a/drivers/media/video/gspca/mr97310a.c b/drivers/media/video/gspca/mr97310a.c
index db2f84e635c5..3bdf064699e9 100644
--- a/drivers/media/video/gspca/mr97310a.c
+++ b/drivers/media/video/gspca/mr97310a.c
@@ -64,11 +64,9 @@ struct sd {
u8 cam_type; /* 0 is CIF and 1 is VGA */
u8 sensor_type; /* We use 0 and 1 here, too. */
u8 do_lcd_stop;
- u8 regs[15];
int brightness;
u16 exposure;
- u8 autogain;
u8 gain;
};
@@ -85,10 +83,14 @@ static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
+static void setbrightness(struct gspca_dev *gspca_dev);
+static void setexposure(struct gspca_dev *gspca_dev);
+static void setgain(struct gspca_dev *gspca_dev);
/* V4L2 controls supported by the driver */
static struct ctrl sd_ctrls[] = {
{
+#define BRIGHTNESS_IDX 0
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
@@ -103,6 +105,7 @@ static struct ctrl sd_ctrls[] = {
.get = sd_getbrightness,
},
{
+#define EXPOSURE_IDX 1
{
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
@@ -117,6 +120,7 @@ static struct ctrl sd_ctrls[] = {
.get = sd_getexposure,
},
{
+#define GAIN_IDX 2
{
.id = V4L2_CID_GAIN,
.type = V4L2_CTRL_TYPE_INTEGER,
@@ -360,14 +364,24 @@ static int sd_config(struct gspca_dev *gspca_dev,
cam = &gspca_dev->cam;
cam->cam_mode = vga_mode;
cam->nmodes = ARRAY_SIZE(vga_mode);
- sd->cam_type = CAM_TYPE_VGA;
+
PDEBUG(D_PROBE,
"MR97310A camera detected"
" (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct);
+
if (id->idProduct == 0x010e) {
- cam->nmodes--;
sd->cam_type = CAM_TYPE_CIF;
+ cam->nmodes--;
+ } else {
+ sd->cam_type = CAM_TYPE_VGA;
+ gspca_dev->ctrl_dis = (1 << BRIGHTNESS_IDX) |
+ (1 << EXPOSURE_IDX) | (1 << GAIN_IDX);
}
+
+ sd->brightness = MR97310A_BRIGHTNESS_DEFAULT;
+ sd->exposure = MR97310A_EXPOSURE_DEFAULT;
+ sd->gain = MR97310A_GAIN_DEFAULT;
+
return 0;
}
@@ -377,35 +391,6 @@ static int sd_init(struct gspca_dev *gspca_dev)
return 0;
}
-static int adjust_cif_sensor(struct gspca_dev *gspca_dev)
-{
- /*
- * FIXME: The following sequence resets brightness, contrast, and
- * related settings. Some of the values are adjustable, presumably
- * based upon what is detected in the frames. Here, only some
- * vaules are used which are compromises. When more is known about
- * what is done here, this needs to be moved out to presently
- * nonexistent functions which do controls. The same control messages
- * do work for all of the CIF cameras.
- */
-
- const struct sensor_w_data cif_sensor1_adjust_data[] = {
- {0x02, 0x01, {0x10, 0x12, 0x0a}, 3},
- /* Last or possibly two last bytes adjustable, above. */
- {0x13, 0x04, {0x01}, 1}, /* seems to mean "write" */
- {0x05, 0x01, {0x22, 0x00, 0x81, 0x06}, 4},
- /* Last or possibly two last bytes adjustable, above. */
- {0x13, 0x04, {0x01}, 1},
- {0x09, 0x02, {0x05, 0x00, 0x00, 0x05, 0x07, 0x16}, 6},
- /* Last or possibly two last bytes adjustable, above. */
- {0x13, 0x04, {0x01}, 1},
- {0, 0, {0}, 0}
- };
-
- return sensor_write_regs(gspca_dev, cif_sensor1_adjust_data,
- ARRAY_SIZE(cif_sensor1_adjust_data));
-}
-
static int start_cif_cam(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -452,6 +437,11 @@ static int start_cif_cam(struct gspca_dev *gspca_dev)
sd->sensor_type = 1;
PDEBUG(D_ERR, "Sensor type is %01x", sd->sensor_type);
+
+ if (sd->sensor_type == 0)
+ gspca_dev->ctrl_dis = (1 << BRIGHTNESS_IDX) |
+ (1 << EXPOSURE_IDX) | (1 << GAIN_IDX);
+
memcpy(data, startup_string, 11);
if (sd->sensor_type)
data[5] = 0xbb;
@@ -504,18 +494,15 @@ static int start_cif_cam(struct gspca_dev *gspca_dev)
ARRAY_SIZE(cif_sensor0_init_data));
} else { /* sd->sensor_type = 1 */
const struct sensor_w_data cif_sensor1_init_data[] = {
+ /* Reg 3,4, 7,8 get set by the controls */
{0x02, 0x00, {0x10}, 1},
- {0x03, 0x01, {0x12}, 1},
- {0x04, 0x01, {0x05}, 1},
- {0x05, 0x01, {0x65}, 1},
- {0x06, 0x01, {0x32}, 1},
- {0x07, 0x01, {0x00}, 1},
- {0x08, 0x02, {0x06}, 1},
+ {0x05, 0x01, {0x22}, 1}, /* 5/6 also seen as 65h/32h */
+ {0x06, 0x01, {0x00}, 1},
{0x09, 0x02, {0x0e}, 1},
{0x0a, 0x02, {0x05}, 1},
{0x0b, 0x02, {0x05}, 1},
{0x0c, 0x02, {0x0f}, 1},
- {0x0d, 0x02, {0x00}, 1},
+ {0x0d, 0x02, {0x07}, 1},
{0x0e, 0x02, {0x0c}, 1},
{0x0f, 0x00, {0x00}, 1},
{0x10, 0x00, {0x06}, 1},
@@ -530,19 +517,18 @@ static int start_cif_cam(struct gspca_dev *gspca_dev)
if (err_code < 0)
return err_code;
+ setbrightness(gspca_dev);
+ setexposure(gspca_dev);
+ setgain(gspca_dev);
+
msleep(200);
+
data[0] = 0x00;
data[1] = 0x4d; /* ISOC transfering enable... */
err_code = mr_write(gspca_dev, 2);
if (err_code < 0)
return err_code;
- msleep(200);
- err_code = adjust_cif_sensor(gspca_dev);
- if (err_code < 0)
- return err_code;
-
- msleep(200);
return 0;
}
@@ -711,11 +697,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
int err_code;
struct cam *cam;
- /* TEST TEST */
- int i;
- for (i = 2; i <= 14; i++)
- sd->regs[i] = sd_ctrls[i - 2].qctrl.default_value;
-
cam = &gspca_dev->cam;
sd->sof_read = 0;
/*
@@ -760,11 +741,16 @@ static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
+
+ if (gspca_dev->ctrl_dis & (1 << BRIGHTNESS_IDX))
+ return;
+
+ /* Note register 7 is also seen as 0x8x or 0xCx in dumps */
if (sd->brightness > 0) {
- sensor_write1(gspca_dev, 7, 0);
+ sensor_write1(gspca_dev, 7, 0x00);
val = sd->brightness;
} else {
- sensor_write1(gspca_dev, 7, 1);
+ sensor_write1(gspca_dev, 7, 0x01);
val = 257 - sd->brightness;
}
sensor_write1(gspca_dev, 8, val);
@@ -775,6 +761,9 @@ static void setexposure(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
u8 val;
+ if (gspca_dev->ctrl_dis & (1 << EXPOSURE_IDX))
+ return;
+
val = sd->exposure >> 4;
sensor_write1(gspca_dev, 3, val);
val = sd->exposure & 0xf;
@@ -785,6 +774,9 @@ static void setgain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
+ if (gspca_dev->ctrl_dis & (1 << GAIN_IDX))
+ return;
+
sensor_write1(gspca_dev, 3, sd->gain);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 10:00:00 +0100