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V4L/DVB (12620): gspca_mr97310a: cleanup/fixup control handling
gspca_mr97310a: cleanup/fixup control handling Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans de Goede
Mauro Carvalho Chehab
parent
58d0b2f66e
commit
9ac6978a10
@ -64,11 +64,9 @@ struct sd {
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u8 cam_type; /* 0 is CIF and 1 is VGA */
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u8 sensor_type; /* We use 0 and 1 here, too. */
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u8 do_lcd_stop;
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u8 regs[15];
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int brightness;
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u16 exposure;
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u8 autogain;
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u8 gain;
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};
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@ -85,10 +83,14 @@ static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
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static void setbrightness(struct gspca_dev *gspca_dev);
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static void setexposure(struct gspca_dev *gspca_dev);
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static void setgain(struct gspca_dev *gspca_dev);
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/* V4L2 controls supported by the driver */
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static struct ctrl sd_ctrls[] = {
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{
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#define BRIGHTNESS_IDX 0
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{
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.id = V4L2_CID_BRIGHTNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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@ -103,6 +105,7 @@ static struct ctrl sd_ctrls[] = {
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.get = sd_getbrightness,
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},
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{
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#define EXPOSURE_IDX 1
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{
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.id = V4L2_CID_EXPOSURE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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@ -117,6 +120,7 @@ static struct ctrl sd_ctrls[] = {
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.get = sd_getexposure,
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},
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{
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#define GAIN_IDX 2
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{
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.id = V4L2_CID_GAIN,
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.type = V4L2_CTRL_TYPE_INTEGER,
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@ -360,14 +364,24 @@ static int sd_config(struct gspca_dev *gspca_dev,
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cam = &gspca_dev->cam;
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cam->cam_mode = vga_mode;
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cam->nmodes = ARRAY_SIZE(vga_mode);
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sd->cam_type = CAM_TYPE_VGA;
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PDEBUG(D_PROBE,
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"MR97310A camera detected"
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" (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct);
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if (id->idProduct == 0x010e) {
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cam->nmodes--;
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sd->cam_type = CAM_TYPE_CIF;
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cam->nmodes--;
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} else {
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sd->cam_type = CAM_TYPE_VGA;
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gspca_dev->ctrl_dis = (1 << BRIGHTNESS_IDX) |
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(1 << EXPOSURE_IDX) | (1 << GAIN_IDX);
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}
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sd->brightness = MR97310A_BRIGHTNESS_DEFAULT;
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sd->exposure = MR97310A_EXPOSURE_DEFAULT;
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sd->gain = MR97310A_GAIN_DEFAULT;
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return 0;
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}
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@ -377,35 +391,6 @@ static int sd_init(struct gspca_dev *gspca_dev)
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return 0;
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}
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static int adjust_cif_sensor(struct gspca_dev *gspca_dev)
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{
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/*
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* FIXME: The following sequence resets brightness, contrast, and
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* related settings. Some of the values are adjustable, presumably
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* based upon what is detected in the frames. Here, only some
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* vaules are used which are compromises. When more is known about
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* what is done here, this needs to be moved out to presently
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* nonexistent functions which do controls. The same control messages
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* do work for all of the CIF cameras.
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*/
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const struct sensor_w_data cif_sensor1_adjust_data[] = {
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{0x02, 0x01, {0x10, 0x12, 0x0a}, 3},
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/* Last or possibly two last bytes adjustable, above. */
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{0x13, 0x04, {0x01}, 1}, /* seems to mean "write" */
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{0x05, 0x01, {0x22, 0x00, 0x81, 0x06}, 4},
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/* Last or possibly two last bytes adjustable, above. */
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{0x13, 0x04, {0x01}, 1},
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{0x09, 0x02, {0x05, 0x00, 0x00, 0x05, 0x07, 0x16}, 6},
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/* Last or possibly two last bytes adjustable, above. */
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{0x13, 0x04, {0x01}, 1},
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{0, 0, {0}, 0}
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};
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return sensor_write_regs(gspca_dev, cif_sensor1_adjust_data,
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ARRAY_SIZE(cif_sensor1_adjust_data));
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}
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static int start_cif_cam(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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@ -452,6 +437,11 @@ static int start_cif_cam(struct gspca_dev *gspca_dev)
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sd->sensor_type = 1;
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PDEBUG(D_ERR, "Sensor type is %01x", sd->sensor_type);
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if (sd->sensor_type == 0)
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gspca_dev->ctrl_dis = (1 << BRIGHTNESS_IDX) |
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(1 << EXPOSURE_IDX) | (1 << GAIN_IDX);
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memcpy(data, startup_string, 11);
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if (sd->sensor_type)
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data[5] = 0xbb;
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@ -504,18 +494,15 @@ static int start_cif_cam(struct gspca_dev *gspca_dev)
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ARRAY_SIZE(cif_sensor0_init_data));
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} else { /* sd->sensor_type = 1 */
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const struct sensor_w_data cif_sensor1_init_data[] = {
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/* Reg 3,4, 7,8 get set by the controls */
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{0x02, 0x00, {0x10}, 1},
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{0x03, 0x01, {0x12}, 1},
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{0x04, 0x01, {0x05}, 1},
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{0x05, 0x01, {0x65}, 1},
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{0x06, 0x01, {0x32}, 1},
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{0x07, 0x01, {0x00}, 1},
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{0x08, 0x02, {0x06}, 1},
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{0x05, 0x01, {0x22}, 1}, /* 5/6 also seen as 65h/32h */
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{0x06, 0x01, {0x00}, 1},
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{0x09, 0x02, {0x0e}, 1},
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{0x0a, 0x02, {0x05}, 1},
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{0x0b, 0x02, {0x05}, 1},
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{0x0c, 0x02, {0x0f}, 1},
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{0x0d, 0x02, {0x00}, 1},
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{0x0d, 0x02, {0x07}, 1},
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{0x0e, 0x02, {0x0c}, 1},
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{0x0f, 0x00, {0x00}, 1},
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{0x10, 0x00, {0x06}, 1},
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@ -530,19 +517,18 @@ static int start_cif_cam(struct gspca_dev *gspca_dev)
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if (err_code < 0)
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return err_code;
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setbrightness(gspca_dev);
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setexposure(gspca_dev);
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setgain(gspca_dev);
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msleep(200);
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data[0] = 0x00;
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data[1] = 0x4d; /* ISOC transfering enable... */
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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msleep(200);
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err_code = adjust_cif_sensor(gspca_dev);
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if (err_code < 0)
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return err_code;
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msleep(200);
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return 0;
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}
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@ -711,11 +697,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
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int err_code;
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struct cam *cam;
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/* TEST TEST */
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int i;
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for (i = 2; i <= 14; i++)
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sd->regs[i] = sd_ctrls[i - 2].qctrl.default_value;
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cam = &gspca_dev->cam;
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sd->sof_read = 0;
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/*
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@ -760,11 +741,16 @@ static void setbrightness(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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u8 val;
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if (gspca_dev->ctrl_dis & (1 << BRIGHTNESS_IDX))
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return;
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/* Note register 7 is also seen as 0x8x or 0xCx in dumps */
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if (sd->brightness > 0) {
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sensor_write1(gspca_dev, 7, 0);
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sensor_write1(gspca_dev, 7, 0x00);
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val = sd->brightness;
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} else {
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sensor_write1(gspca_dev, 7, 1);
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sensor_write1(gspca_dev, 7, 0x01);
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val = 257 - sd->brightness;
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}
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sensor_write1(gspca_dev, 8, val);
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@ -775,6 +761,9 @@ static void setexposure(struct gspca_dev *gspca_dev)
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struct sd *sd = (struct sd *) gspca_dev;
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u8 val;
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if (gspca_dev->ctrl_dis & (1 << EXPOSURE_IDX))
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return;
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val = sd->exposure >> 4;
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sensor_write1(gspca_dev, 3, val);
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val = sd->exposure & 0xf;
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@ -785,6 +774,9 @@ static void setgain(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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if (gspca_dev->ctrl_dis & (1 << GAIN_IDX))
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return;
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sensor_write1(gspca_dev, 3, sd->gain);
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}
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