From: Antonio Ospite <ospite@studenti.unina.it>
Date: Tue, 15 Feb 2011 11:12:24 +0000 (+0100)
Subject: Add IR stream support.
X-Git-Url: https://git.ao2.it/gspca_kinect.git/commitdiff_plain/ec3eb590d008fb33305fb7d21eaba560bc3494bb

Add IR stream support.

The IR stream comes in a 10 bpp packed array, so a Y10B format is used
for that.

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
---

diff --git a/kinect.c b/kinect.c
index b5077ca..883db90 100644
--- a/kinect.c
+++ b/kinect.c
@@ -65,10 +65,12 @@ static const struct ctrl sd_ctrls[] = {
 };
 
 #define MODE_640x480   0x0001
-#define MODE_1280x1024 0x0002
+#define MODE_640x488   0x0002
+#define MODE_1280x1024 0x0004
 
 #define FORMAT_BAYER   0x0010
 #define FORMAT_UYVY    0x0020
+#define FORMAT_Y10B    0x0040
 
 #define FPS_HIGH       0x0100
 
@@ -88,6 +90,16 @@ static const struct v4l2_pix_format video_camera_mode[] = {
 	 .sizeimage = 1280 * 1024,
 	 .colorspace = V4L2_COLORSPACE_SRGB,
 	 .priv = MODE_1280x1024 | FORMAT_BAYER},
+	{640, 488, V4L2_PIX_FMT_Y10BPACK, V4L2_FIELD_NONE,
+	 .bytesperline = 640 * 10 / 8,
+	 .sizeimage =  640 * 488 * 10 / 8,
+	 .colorspace = V4L2_COLORSPACE_SRGB,
+	 .priv = MODE_640x488 | FORMAT_Y10B | FPS_HIGH},
+	{1280, 1024, V4L2_PIX_FMT_Y10BPACK, V4L2_FIELD_NONE,
+	 .bytesperline = 1280 * 10 / 8,
+	 .sizeimage =  1280 * 1024 * 10 / 8,
+	 .colorspace = V4L2_COLORSPACE_SRGB,
+	 .priv = MODE_1280x1024 | FORMAT_Y10B},
 };
 
 static int kinect_write(struct usb_device *udev, uint8_t *data, uint16_t wLength)
@@ -234,12 +246,21 @@ static int sd_start(struct gspca_dev *gspca_dev)
 	uint8_t fmt_reg, fmt_val;
 	uint8_t res_reg, res_val;
 	uint8_t fps_reg, fps_val;
+	uint8_t mode_val;
 
 	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
 
-	fmt_reg = 0x0c;
-	res_reg = 0x0d;
-	fps_reg = 0x0e;
+	if (mode & FORMAT_Y10B) {
+		fmt_reg = 0x19;
+		res_reg = 0x1a;
+		fps_reg = 0x1b;
+		mode_val = 0x03;
+	} else {
+		fmt_reg = 0x0c;
+		res_reg = 0x0d;
+		fps_reg = 0x0e;
+		mode_val = 0x01;
+	}
 
 	/* format */
 	if (mode & FORMAT_UYVY)
@@ -257,15 +278,33 @@ static int sd_start(struct gspca_dev *gspca_dev)
 	else
 		fps_val = 0x0f;
 
+
+	/* turn off IR-reset function */
+	write_register(gspca_dev, 0x105, 0x00);
+
 	/* Reset video stream */
 	write_register(gspca_dev, 0x05, 0x00);
 
+	/* Due to some ridiculous condition in the firmware, we have to start
+	 * and stop the depth stream before the camera will hand us 1280x1024
+	 * IR.  This is a stupid workaround, but we've yet to find a better
+	 * solution.
+	 *
+	 * Thanks to Drew Fisher for figuring this out.
+	 */
+	if (mode & (FORMAT_Y10B | MODE_1280x1024)) {
+		write_register(gspca_dev, 0x13, 0x01);
+		write_register(gspca_dev, 0x14, 0x1e);
+		write_register(gspca_dev, 0x06, 0x02);
+		write_register(gspca_dev, 0x06, 0x00);
+	}
+
 	write_register(gspca_dev, fmt_reg, fmt_val);
 	write_register(gspca_dev, res_reg, res_val);
 	write_register(gspca_dev, fps_reg, fps_val);
 
 	/* Start video stream */
-	write_register(gspca_dev, 0x05, 0x01);
+	write_register(gspca_dev, 0x05, mode_val);
 
 	/* disable Hflip */
 	write_register(gspca_dev, 0x47, 0x00);