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Diffstat (limited to 'drivers/media/video/gspca/mr97310a.c')
-rw-r--r--drivers/media/video/gspca/mr97310a.c797
1 files changed, 682 insertions, 115 deletions
diff --git a/drivers/media/video/gspca/mr97310a.c b/drivers/media/video/gspca/mr97310a.c
index 30132513400c..3a3edf82a361 100644
--- a/drivers/media/video/gspca/mr97310a.c
+++ b/drivers/media/video/gspca/mr97310a.c
@@ -3,6 +3,21 @@
*
* Copyright (C) 2009 Kyle Guinn <elyk03@gmail.com>
*
+ * Support for the MR97310A cameras in addition to the Aiptek Pencam VGA+
+ * and for the routines for detecting and classifying these various cameras,
+ *
+ * Copyright (C) 2009 Theodore Kilgore <kilgota@auburn.edu>
+ *
+ * Acknowledgements:
+ *
+ * The MR97311A support in gspca/mars.c has been helpful in understanding some
+ * of the registers in these cameras.
+ *
+ * Hans de Goede <hdgoede@redhat.com> and
+ * Thomas Kaiser <thomas@kaiser-linux.li>
+ * have assisted with their experience. Each of them has also helped by
+ * testing a previously unsupported camera.
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
@@ -22,7 +37,23 @@
#include "gspca.h"
-MODULE_AUTHOR("Kyle Guinn <elyk03@gmail.com>");
+#define CAM_TYPE_CIF 0
+#define CAM_TYPE_VGA 1
+
+#define MR97310A_BRIGHTNESS_MIN -254
+#define MR97310A_BRIGHTNESS_MAX 255
+#define MR97310A_BRIGHTNESS_DEFAULT 0
+
+#define MR97310A_EXPOSURE_MIN 300
+#define MR97310A_EXPOSURE_MAX 4095
+#define MR97310A_EXPOSURE_DEFAULT 1000
+
+#define MR97310A_GAIN_MIN 0
+#define MR97310A_GAIN_MAX 31
+#define MR97310A_GAIN_DEFAULT 25
+
+MODULE_AUTHOR("Kyle Guinn <elyk03@gmail.com>,"
+ "Theodore Kilgore <kilgota@auburn.edu>");
MODULE_DESCRIPTION("GSPCA/Mars-Semi MR97310A USB Camera Driver");
MODULE_LICENSE("GPL");
@@ -30,10 +61,75 @@ MODULE_LICENSE("GPL");
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
u8 sof_read;
+ 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;
};
+struct sensor_w_data {
+ u8 reg;
+ u8 flags;
+ u8 data[16];
+ int len;
+};
+
+static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
+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);
+
/* V4L2 controls supported by the driver */
static struct ctrl sd_ctrls[] = {
+ {
+ {
+ .id = V4L2_CID_BRIGHTNESS,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Brightness",
+ .minimum = MR97310A_BRIGHTNESS_MIN,
+ .maximum = MR97310A_BRIGHTNESS_MAX,
+ .step = 1,
+ .default_value = MR97310A_BRIGHTNESS_DEFAULT,
+ .flags = 0,
+ },
+ .set = sd_setbrightness,
+ .get = sd_getbrightness,
+ },
+ {
+ {
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Exposure",
+ .minimum = MR97310A_EXPOSURE_MIN,
+ .maximum = MR97310A_EXPOSURE_MAX,
+ .step = 1,
+ .default_value = MR97310A_EXPOSURE_DEFAULT,
+ .flags = 0,
+ },
+ .set = sd_setexposure,
+ .get = sd_getexposure,
+ },
+ {
+ {
+ .id = V4L2_CID_GAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Gain",
+ .minimum = MR97310A_GAIN_MIN,
+ .maximum = MR97310A_GAIN_MAX,
+ .step = 1,
+ .default_value = MR97310A_GAIN_DEFAULT,
+ .flags = 0,
+ },
+ .set = sd_setgain,
+ .get = sd_getgain,
+ },
};
static const struct v4l2_pix_format vga_mode[] = {
@@ -65,7 +161,7 @@ static const struct v4l2_pix_format vga_mode[] = {
};
/* the bytes to write are in gspca_dev->usb_buf */
-static int reg_w(struct gspca_dev *gspca_dev, int len)
+static int mr_write(struct gspca_dev *gspca_dev, int len)
{
int rc;
@@ -78,15 +174,200 @@ static int reg_w(struct gspca_dev *gspca_dev, int len)
return rc;
}
+/* the bytes are read into gspca_dev->usb_buf */
+static int mr_read(struct gspca_dev *gspca_dev, int len)
+{
+ int rc;
+
+ rc = usb_bulk_msg(gspca_dev->dev,
+ usb_rcvbulkpipe(gspca_dev->dev, 3),
+ gspca_dev->usb_buf, len, NULL, 500);
+ if (rc < 0)
+ PDEBUG(D_ERR, "reg read [%02x] error %d",
+ gspca_dev->usb_buf[0], rc);
+ return rc;
+}
+
+static int sensor_write_reg(struct gspca_dev *gspca_dev, u8 reg, u8 flags,
+ const u8 *data, int len)
+{
+ gspca_dev->usb_buf[0] = 0x1f;
+ gspca_dev->usb_buf[1] = flags;
+ gspca_dev->usb_buf[2] = reg;
+ memcpy(gspca_dev->usb_buf + 3, data, len);
+
+ return mr_write(gspca_dev, len + 3);
+}
+
+static int sensor_write_regs(struct gspca_dev *gspca_dev,
+ const struct sensor_w_data *data, int len)
+{
+ int i, rc;
+
+ for (i = 0; i < len; i++) {
+ rc = sensor_write_reg(gspca_dev, data[i].reg, data[i].flags,
+ data[i].data, data[i].len);
+ if (rc < 0)
+ return rc;
+ }
+
+ return 0;
+}
+
+static int sensor_write1(struct gspca_dev *gspca_dev, u8 reg, u8 data)
+{
+ u8 buf;
+ int rc;
+
+ buf = data;
+ rc = sensor_write_reg(gspca_dev, reg, 0x01, &buf, 1);
+ if (rc < 0)
+ return rc;
+
+ buf = 0x01;
+ rc = sensor_write_reg(gspca_dev, 0x13, 0x00, &buf, 1);
+ if (rc < 0)
+ return rc;
+
+ return 0;
+}
+
+static int cam_get_response16(struct gspca_dev *gspca_dev)
+{
+ __u8 *data = gspca_dev->usb_buf;
+ int err_code;
+
+ data[0] = 0x21;
+ err_code = mr_write(gspca_dev, 1);
+ if (err_code < 0)
+ return err_code;
+
+ err_code = mr_read(gspca_dev, 16);
+ return err_code;
+}
+
+static int zero_the_pointer(struct gspca_dev *gspca_dev)
+{
+ __u8 *data = gspca_dev->usb_buf;
+ int err_code;
+ u8 status = 0;
+ int tries = 0;
+
+ err_code = cam_get_response16(gspca_dev);
+ if (err_code < 0)
+ return err_code;
+
+ err_code = mr_write(gspca_dev, 1);
+ data[0] = 0x19;
+ data[1] = 0x51;
+ err_code = mr_write(gspca_dev, 2);
+ if (err_code < 0)
+ return err_code;
+
+ err_code = cam_get_response16(gspca_dev);
+ if (err_code < 0)
+ return err_code;
+
+ data[0] = 0x19;
+ data[1] = 0xba;
+ err_code = mr_write(gspca_dev, 2);
+ if (err_code < 0)
+ return err_code;
+
+ err_code = cam_get_response16(gspca_dev);
+ if (err_code < 0)
+ return err_code;
+
+ data[0] = 0x19;
+ data[1] = 0x00;
+ err_code = mr_write(gspca_dev, 2);
+ if (err_code < 0)
+ return err_code;
+
+ err_code = cam_get_response16(gspca_dev);
+ if (err_code < 0)
+ return err_code;
+
+ data[0] = 0x19;
+ data[1] = 0x00;
+ err_code = mr_write(gspca_dev, 2);
+ if (err_code < 0)
+ return err_code;
+
+ while (status != 0x0a && tries < 256) {
+ err_code = cam_get_response16(gspca_dev);
+ status = data[0];
+ tries++;
+ if (err_code < 0)
+ return err_code;
+ }
+ PDEBUG(D_ERR, "status is %02x", status);
+
+ tries = 0;
+ while (tries < 4) {
+ data[0] = 0x19;
+ data[1] = 0x00;
+ err_code = mr_write(gspca_dev, 2);
+ if (err_code < 0)
+ return err_code;
+
+ err_code = cam_get_response16(gspca_dev);
+ status = data[0];
+ tries++;
+ if (err_code < 0)
+ return err_code;
+ }
+ PDEBUG(D_ERR, "Read 16 bytes from camera");
+
+ data[0] = 0x19;
+ err_code = mr_write(gspca_dev, 1);
+ if (err_code < 0)
+ return err_code;
+
+ err_code = mr_read(gspca_dev, 16);
+ if (err_code < 0)
+ return err_code;
+
+ return 0;
+}
+
+static u8 get_sensor_id(struct gspca_dev *gspca_dev)
+{
+ int err_code;
+
+ gspca_dev->usb_buf[0] = 0x1e;
+ err_code = mr_write(gspca_dev, 1);
+ if (err_code < 0)
+ return err_code;
+
+ err_code = mr_read(gspca_dev, 16);
+ if (err_code < 0)
+ return err_code;
+
+ PDEBUG(D_ERR, "Read 16 bytes from camera");
+ PDEBUG(D_ERR, "Byte zero reported is %01x", gspca_dev->usb_buf[0]);
+
+ return gspca_dev->usb_buf[0];
+}
+
/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
+ struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam;
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;
+ }
return 0;
}
@@ -96,183 +377,468 @@ static int sd_init(struct gspca_dev *gspca_dev)
return 0;
}
-static int sd_start(struct gspca_dev *gspca_dev)
+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;
__u8 *data = gspca_dev->usb_buf;
int err_code;
-
- sd->sof_read = 0;
-
- /* Note: register descriptions guessed from MR97113A driver */
-
+ const __u8 startup_string[] = {
+ 0x00,
+ 0x0d,
+ 0x01,
+ 0x00, /* Hsize/8 for 352 or 320 */
+ 0x00, /* Vsize/4 for 288 or 240 */
+ 0x13, /* or 0xbb, depends on sensor */
+ 0x00, /* Hstart, depends on res. */
+ 0x00, /* reserved ? */
+ 0x00, /* Vstart, depends on res. and sensor */
+ 0x50, /* 0x54 to get 176 or 160 */
+ 0xc0
+ };
+
+ /* Note: Some of the above descriptions guessed from MR97113A driver */
+ sd->sensor_type = 0;
data[0] = 0x01;
data[1] = 0x01;
- err_code = reg_w(gspca_dev, 2);
+ err_code = mr_write(gspca_dev, 2);
if (err_code < 0)
return err_code;
- data[0] = 0x00;
- data[1] = 0x0d;
- data[2] = 0x01;
- data[5] = 0x2b;
- data[7] = 0x00;
- data[9] = 0x50; /* reg 8, no scale down */
- data[10] = 0xc0;
+ msleep(200);
+ data[0] = get_sensor_id(gspca_dev);
+ /*
+ * Known CIF cameras. If you have another to report, please do
+ *
+ * Name byte just read sd->sensor_type
+ * reported by
+ * Sakar Spy-shot 0x28 T. Kilgore 0
+ * Innovage 0xf5 (unstable) T. Kilgore 0
+ * Vivitar Mini 0x53 H. De Goede 0
+ * Vivitar Mini 0x08 T. Kilgore 1
+ * Elta-Media 8212dc 0x23 T. Kaiser 1
+ * Philips dig. keych. 0x37 T. Kilgore 1
+ */
+ if ((data[0] & 0x78) == 8 || (data[0] & 0x2) == 0x2)
+ sd->sensor_type = 1;
+
+ PDEBUG(D_ERR, "Sensor type is %01x", sd->sensor_type);
+ memcpy(data, startup_string, 11);
+ if (sd->sensor_type)
+ data[5] = 0xbb;
switch (gspca_dev->width) {
case 160:
- data[9] |= 0x0c; /* reg 8, 4:1 scale down */
+ data[9] |= 0x04; /* reg 8, 2:1 scale down from 320 */
/* fall thru */
case 320:
- data[9] |= 0x04; /* reg 8, 2:1 scale down */
- /* fall thru */
- case 640:
default:
- data[3] = 0x50; /* reg 2, H size */
- data[4] = 0x78; /* reg 3, V size */
- data[6] = 0x04; /* reg 5, H start */
- data[8] = 0x03; /* reg 7, V start */
+ data[3] = 0x28; /* reg 2, H size/8 */
+ data[4] = 0x3c; /* reg 3, V size/4 */
+ data[6] = 0x14; /* reg 5, H start */
+ data[8] = 0x1a + sd->sensor_type; /* reg 7, V start */
break;
-
case 176:
- data[9] |= 0x04; /* reg 8, 2:1 scale down */
+ data[9] |= 0x04; /* reg 8, 2:1 scale down from 352 */
/* fall thru */
case 352:
- data[3] = 0x2c; /* reg 2, H size */
- data[4] = 0x48; /* reg 3, V size */
- data[6] = 0x94; /* reg 5, H start */
- data[8] = 0x63; /* reg 7, V start */
+ data[3] = 0x2c; /* reg 2, H size/8 */
+ data[4] = 0x48; /* reg 3, V size/4 */
+ data[6] = 0x06; /* reg 5, H start */
+ data[8] = 0x06 + sd->sensor_type; /* reg 7, V start */
break;
}
-
- err_code = reg_w(gspca_dev, 11);
+ err_code = mr_write(gspca_dev, 11);
if (err_code < 0)
return err_code;
- data[0] = 0x0a;
- data[1] = 0x80;
- err_code = reg_w(gspca_dev, 2);
+ if (!sd->sensor_type) {
+ const struct sensor_w_data cif_sensor0_init_data[] = {
+ {0x02, 0x00, {0x03, 0x5a, 0xb5, 0x01,
+ 0x0f, 0x14, 0x0f, 0x10}, 8},
+ {0x0c, 0x00, {0x04, 0x01, 0x01, 0x00, 0x1f}, 5},
+ {0x12, 0x00, {0x07}, 1},
+ {0x1f, 0x00, {0x06}, 1},
+ {0x27, 0x00, {0x04}, 1},
+ {0x29, 0x00, {0x0c}, 1},
+ {0x40, 0x00, {0x40, 0x00, 0x04}, 3},
+ {0x50, 0x00, {0x60}, 1},
+ {0x60, 0x00, {0x06}, 1},
+ {0x6b, 0x00, {0x85, 0x85, 0xc8, 0xc8, 0xc8, 0xc8}, 6},
+ {0x72, 0x00, {0x1e, 0x56}, 2},
+ {0x75, 0x00, {0x58, 0x40, 0xa2, 0x02, 0x31, 0x02,
+ 0x31, 0x80, 0x00}, 9},
+ {0x11, 0x00, {0x01}, 1},
+ {0, 0, {0}, 0}
+ };
+ err_code = sensor_write_regs(gspca_dev, cif_sensor0_init_data,
+ ARRAY_SIZE(cif_sensor0_init_data));
+ } else { /* sd->sensor_type = 1 */
+ const struct sensor_w_data cif_sensor1_init_data[] = {
+ {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},
+ {0x09, 0x02, {0x0e}, 1},
+ {0x0a, 0x02, {0x05}, 1},
+ {0x0b, 0x02, {0x05}, 1},
+ {0x0c, 0x02, {0x0f}, 1},
+ {0x0d, 0x02, {0x00}, 1},
+ {0x0e, 0x02, {0x0c}, 1},
+ {0x0f, 0x00, {0x00}, 1},
+ {0x10, 0x00, {0x06}, 1},
+ {0x11, 0x00, {0x07}, 1},
+ {0x12, 0x00, {0x00}, 1},
+ {0x13, 0x00, {0x01}, 1},
+ {0, 0, {0}, 0}
+ };
+ err_code = sensor_write_regs(gspca_dev, cif_sensor1_init_data,
+ ARRAY_SIZE(cif_sensor1_init_data));
+ }
if (err_code < 0)
return err_code;
- data[0] = 0x14;
- data[1] = 0x0a;
- err_code = reg_w(gspca_dev, 2);
+ 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;
- data[0] = 0x1b;
- data[1] = 0x00;
- err_code = reg_w(gspca_dev, 2);
+ msleep(200);
+ err_code = adjust_cif_sensor(gspca_dev);
if (err_code < 0)
return err_code;
- data[0] = 0x15;
- data[1] = 0x16;
- err_code = reg_w(gspca_dev, 2);
- if (err_code < 0)
- return err_code;
+ msleep(200);
+ return 0;
+}
- data[0] = 0x16;
- data[1] = 0x10;
- err_code = reg_w(gspca_dev, 2);
- if (err_code < 0)
- return err_code;
+static int start_vga_cam(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ __u8 *data = gspca_dev->usb_buf;
+ int err_code;
+ const __u8 startup_string[] = {0x00, 0x0d, 0x01, 0x00, 0x00, 0x2b,
+ 0x00, 0x00, 0x00, 0x50, 0xc0};
- data[0] = 0x17;
- data[1] = 0x3a;
- err_code = reg_w(gspca_dev, 2);
- if (err_code < 0)
- return err_code;
+ /* What some of these mean is explained in start_cif_cam(), above */
+ sd->sof_read = 0;
- data[0] = 0x18;
- data[1] = 0x68;
- err_code = reg_w(gspca_dev, 2);
+ /*
+ * We have to know which camera we have, because the register writes
+ * depend upon the camera. This test, run before we actually enter
+ * the initialization routine, distinguishes most of the cameras, If
+ * needed, another routine is done later, too.
+ */
+ memset(data, 0, 16);
+ data[0] = 0x20;
+ err_code = mr_write(gspca_dev, 1);
if (err_code < 0)
return err_code;
- data[0] = 0x1f;
- data[1] = 0x00;
- data[2] = 0x02;
- data[3] = 0x06;
- data[4] = 0x59;
- data[5] = 0x0c;
- data[6] = 0x16;
- data[7] = 0x00;
- data[8] = 0x07;
- data[9] = 0x00;
- data[10] = 0x01;
- err_code = reg_w(gspca_dev, 11);
+ err_code = mr_read(gspca_dev, 16);
if (err_code < 0)
return err_code;
- data[0] = 0x1f;
- data[1] = 0x04;
- data[2] = 0x11;
- data[3] = 0x01;
- err_code = reg_w(gspca_dev, 4);
- if (err_code < 0)
- return err_code;
+ PDEBUG(D_ERR, "Read 16 bytes from camera");
+ PDEBUG(D_ERR, "Byte reported is %02x", data[0]);
- data[0] = 0x1f;
- data[1] = 0x00;
- data[2] = 0x0a;
- data[3] = 0x00;
- data[4] = 0x01;
- data[5] = 0x00;
- data[6] = 0x00;
- data[7] = 0x01;
- data[8] = 0x00;
- data[9] = 0x0a;
- err_code = reg_w(gspca_dev, 10);
- if (err_code < 0)
- return err_code;
+ msleep(200);
+ /*
+ * Known VGA cameras. If you have another to report, please do
+ *
+ * Name byte just read sd->sensor_type
+ * sd->do_lcd_stop
+ * Aiptek Pencam VGA+ 0x31 0 1
+ * ION digital 0x31 0 1
+ * Argus DC-1620 0x30 1 0
+ * Argus QuickClix 0x30 1 1 (not caught here)
+ */
+ sd->sensor_type = data[0] & 1;
+ sd->do_lcd_stop = (~data[0]) & 1;
- data[0] = 0x1f;
- data[1] = 0x04;
- data[2] = 0x11;
- data[3] = 0x01;
- err_code = reg_w(gspca_dev, 4);
+
+
+ /* Streaming setup begins here. */
+
+
+ data[0] = 0x01;
+ data[1] = 0x01;
+ err_code = mr_write(gspca_dev, 2);
if (err_code < 0)
return err_code;
- data[0] = 0x1f;
- data[1] = 0x00;
- data[2] = 0x12;
- data[3] = 0x00;
- data[4] = 0x63;
- data[5] = 0x00;
- data[6] = 0x70;
- data[7] = 0x00;
- data[8] = 0x00;
- err_code = reg_w(gspca_dev, 9);
+ /*
+ * A second test can now resolve any remaining ambiguity in the
+ * identification of the camera type,
+ */
+ if (!sd->sensor_type) {
+ data[0] = get_sensor_id(gspca_dev);
+ if (data[0] == 0x7f) {
+ sd->sensor_type = 1;
+ PDEBUG(D_ERR, "sensor_type corrected to 1");
+ }
+ msleep(200);
+ }
+
+ /*
+ * Known VGA cameras.
+ * This test is only run if the previous test returned 0x30, but
+ * here is the information for all others, too, just for reference.
+ *
+ * Name byte just read sd->sensor_type
+ *
+ * Aiptek Pencam VGA+ 0xfb (this test not run) 1
+ * ION digital 0xbd (this test not run) 1
+ * Argus DC-1620 0xe5 (no change) 0
+ * Argus QuickClix 0x7f (reclassified) 1
+ */
+ memcpy(data, startup_string, 11);
+ if (!sd->sensor_type) {
+ data[5] = 0x00;
+ data[10] = 0x91;
+ }
+
+ switch (gspca_dev->width) {
+ case 160:
+ data[9] |= 0x0c; /* reg 8, 4:1 scale down */
+ /* fall thru */
+ case 320:
+ data[9] |= 0x04; /* reg 8, 2:1 scale down */
+ /* fall thru */
+ case 640:
+ default:
+ data[3] = 0x50; /* reg 2, H size/8 */
+ data[4] = 0x78; /* reg 3, V size/4 */
+ data[6] = 0x04; /* reg 5, H start */
+ data[8] = 0x03; /* reg 7, V start */
+ if (sd->do_lcd_stop)
+ data[8] = 0x04; /* Bayer tile shifted */
+ break;
+
+ case 176:
+ data[9] |= 0x04; /* reg 8, 2:1 scale down */
+ /* fall thru */
+ case 352:
+ data[3] = 0x2c; /* reg 2, H size */
+ data[4] = 0x48; /* reg 3, V size */
+ data[6] = 0x94; /* reg 5, H start */
+ data[8] = 0x63; /* reg 7, V start */
+ if (sd->do_lcd_stop)
+ data[8] = 0x64; /* Bayer tile shifted */
+ break;
+ }
+
+ err_code = mr_write(gspca_dev, 11);
if (err_code < 0)
return err_code;
- data[0] = 0x1f;
- data[1] = 0x04;
- data[2] = 0x11;
- data[3] = 0x01;
- err_code = reg_w(gspca_dev, 4);
+ if (!sd->sensor_type) {
+ /* The only known sensor_type 0 cam is the Argus DC-1620 */
+ const struct sensor_w_data vga_sensor0_init_data[] = {
+ {0x01, 0x00, {0x0c, 0x00, 0x04}, 3},
+ {0x14, 0x00, {0x01, 0xe4, 0x02, 0x84}, 4},
+ {0x20, 0x00, {0x00, 0x80, 0x00, 0x08}, 4},
+ {0x25, 0x00, {0x03, 0xa9, 0x80}, 3},
+ {0x30, 0x00, {0x30, 0x18, 0x10, 0x18}, 4},
+ {0, 0, {0}, 0}
+ };
+ err_code = sensor_write_regs(gspca_dev, vga_sensor0_init_data,
+ ARRAY_SIZE(vga_sensor0_init_data));
+ } else { /* sd->sensor_type = 1 */
+ const struct sensor_w_data vga_sensor1_init_data[] = {
+ {0x02, 0x00, {0x06, 0x59, 0x0c, 0x16, 0x00,
+ 0x07, 0x00, 0x01}, 8},
+ {0x11, 0x04, {0x01}, 1},
+ /*{0x0a, 0x00, {0x00, 0x01, 0x00, 0x00, 0x01, */
+ {0x0a, 0x00, {0x01, 0x06, 0x00, 0x00, 0x01,
+ 0x00, 0x0a}, 7},
+ {0x11, 0x04, {0x01}, 1},
+ {0x12, 0x00, {0x00, 0x63, 0x00, 0x70, 0x00, 0x00}, 6},
+ {0x11, 0x04, {0x01}, 1},
+ {0, 0, {0}, 0}
+ };
+ err_code = sensor_write_regs(gspca_dev, vga_sensor1_init_data,
+ ARRAY_SIZE(vga_sensor1_init_data));
+ }
if (err_code < 0)
return err_code;
+ msleep(200);
data[0] = 0x00;
data[1] = 0x4d; /* ISOC transfering enable... */
- err_code = reg_w(gspca_dev, 2);
+ err_code = mr_write(gspca_dev, 2);
+
+ return err_code;
+}
+
+static int sd_start(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) 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;
+ /*
+ * Some of the supported cameras require the memory pointer to be
+ * set to 0, or else they will not stream.
+ */
+ zero_the_pointer(gspca_dev);
+ msleep(200);
+ if (sd->cam_type == CAM_TYPE_CIF) {
+ PDEBUG(D_ERR, "CIF camera");
+ err_code = start_cif_cam(gspca_dev);
+ } else {
+ PDEBUG(D_ERR, "VGA camera");
+ err_code = start_vga_cam(gspca_dev);
+ }
return err_code;
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
+ struct sd *sd = (struct sd *) gspca_dev;
int result;
gspca_dev->usb_buf[0] = 1;
gspca_dev->usb_buf[1] = 0;
- result = reg_w(gspca_dev, 2);
+ result = mr_write(gspca_dev, 2);
if (result < 0)
PDEBUG(D_ERR, "Camera Stop failed");
+
+ /* Not all the cams need this, but even if not, probably a good idea */
+ zero_the_pointer(gspca_dev);
+ if (sd->do_lcd_stop) {
+ gspca_dev->usb_buf[0] = 0x19;
+ gspca_dev->usb_buf[1] = 0x54;
+ result = mr_write(gspca_dev, 2);
+ if (result < 0)
+ PDEBUG(D_ERR, "Camera Stop failed");
+ }
+}
+
+static void setbrightness(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 val;
+ if (sd->brightness > 0) {
+ sensor_write1(gspca_dev, 7, 0);
+ val = sd->brightness;
+ } else {
+ sensor_write1(gspca_dev, 7, 1);
+ val = 257 - sd->brightness;
+ }
+ sensor_write1(gspca_dev, 8, val);
+}
+
+static void setexposure(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ u8 val;
+
+ val = sd->exposure >> 4;
+ sensor_write1(gspca_dev, 3, val);
+ val = sd->exposure & 0xf;
+ sensor_write1(gspca_dev, 4, val);
+}
+
+static void setgain(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sensor_write1(gspca_dev, 3, sd->gain);
+}
+
+static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->brightness = val;
+ if (gspca_dev->streaming)
+ setbrightness(gspca_dev);
+ return 0;
+}
+
+static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->brightness;
+ return 0;
+}
+
+static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->exposure = val;
+ if (gspca_dev->streaming)
+ setexposure(gspca_dev);
+ return 0;
+}
+
+static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->exposure;
+ return 0;
+}
+
+static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->gain = val;
+ if (gspca_dev->streaming)
+ setgain(gspca_dev);
+ return 0;
+}
+
+static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->gain;
+ return 0;
}
/* Include pac common sof detection functions */
@@ -320,8 +886,9 @@ static const struct sd_desc sd_desc = {
/* -- module initialisation -- */
static const __devinitdata struct usb_device_id device_table[] = {
- {USB_DEVICE(0x08ca, 0x0111)},
- {USB_DEVICE(0x093a, 0x010f)},
+ {USB_DEVICE(0x08ca, 0x0111)}, /* Aiptek Pencam VGA+ */
+ {USB_DEVICE(0x093a, 0x010f)}, /* All other known MR97310A VGA cams */
+ {USB_DEVICE(0x093a, 0x010e)}, /* All known MR97310A CIF cams */
{}
};
MODULE_DEVICE_TABLE(usb, device_table);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 06:57:43 +0100