diff options
Diffstat (limited to 'drivers/media/usb/gspca/kinect.c')
| -rw-r--r-- | drivers/media/usb/gspca/kinect.c | 98 |
1 files changed, 87 insertions, 11 deletions
diff --git a/drivers/media/usb/gspca/kinect.c b/drivers/media/usb/gspca/kinect.c index 081f05162809..45bc1f51c5d8 100644 --- a/drivers/media/usb/gspca/kinect.c +++ b/drivers/media/usb/gspca/kinect.c @@ -36,6 +36,8 @@ MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>"); MODULE_DESCRIPTION("GSPCA/Kinect Sensor Device USB Camera Driver"); MODULE_LICENSE("GPL"); +static bool depth_mode; + struct pkt_hdr { uint8_t magic[2]; uint8_t pad; @@ -73,6 +75,14 @@ struct sd { #define FPS_HIGH 0x0100 +static const struct v4l2_pix_format depth_camera_mode[] = { + {640, 480, V4L2_PIX_FMT_Y10BPACK, V4L2_FIELD_NONE, + .bytesperline = 640 * 10 / 8, + .sizeimage = 640 * 480 * 10 / 8, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = MODE_640x488 | FORMAT_Y10B}, +}; + static const struct v4l2_pix_format video_camera_mode[] = { {640, 480, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE, .bytesperline = 640, @@ -219,7 +229,7 @@ static int write_register(struct gspca_dev *gspca_dev, uint16_t reg, } /* this function is called at probe time */ -static int sd_config(struct gspca_dev *gspca_dev, +static int sd_config_video(struct gspca_dev *gspca_dev, const struct usb_device_id *id) { struct sd *sd = (struct sd *) gspca_dev; @@ -227,8 +237,6 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->cam_tag = 0; - /* Only video stream is supported for now, - * which has stream flag = 0x80 */ sd->stream_flag = 0x80; cam = &gspca_dev->cam; @@ -236,6 +244,8 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->cam_mode = video_camera_mode; cam->nmodes = ARRAY_SIZE(video_camera_mode); + gspca_dev->xfer_ep = 0x81; + #if 0 /* Setting those values is not needed for video stream */ cam->npkt = 15; @@ -245,6 +255,26 @@ static int sd_config(struct gspca_dev *gspca_dev, return 0; } +static int sd_config_depth(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct cam *cam; + + sd->cam_tag = 0; + + sd->stream_flag = 0x70; + + cam = &gspca_dev->cam; + + cam->cam_mode = depth_camera_mode; + cam->nmodes = ARRAY_SIZE(depth_camera_mode); + + gspca_dev->xfer_ep = 0x82; + + return 0; +} + /* this function is called at probe and resume time */ static int sd_init(struct gspca_dev *gspca_dev) { @@ -253,7 +283,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static int sd_start(struct gspca_dev *gspca_dev) +static int sd_start_video(struct gspca_dev *gspca_dev) { int mode; uint8_t fmt_reg, fmt_val; @@ -325,12 +355,39 @@ static int sd_start(struct gspca_dev *gspca_dev) return 0; } -static void sd_stopN(struct gspca_dev *gspca_dev) +static int sd_start_depth(struct gspca_dev *gspca_dev) +{ + /* turn off IR-reset function */ + write_register(gspca_dev, 0x105, 0x00); + + /* reset depth stream */ + write_register(gspca_dev, 0x06, 0x00); + /* Depth Stream Format 0x03: 11 bit stream | 0x02: 10 bit */ + write_register(gspca_dev, 0x12, 0x02); + /* Depth Stream Resolution 1: standard (640x480) */ + write_register(gspca_dev, 0x13, 0x01); + /* Depth Framerate / 0x1e (30): 30 fps */ + write_register(gspca_dev, 0x14, 0x1e); + /* Depth Stream Control / 2: Open Depth Stream */ + write_register(gspca_dev, 0x06, 0x02); + /* disable depth hflip / LSB = 0: Smoothing Disabled */ + write_register(gspca_dev, 0x17, 0x00); + + return 0; +} + +static void sd_stopN_video(struct gspca_dev *gspca_dev) { /* reset video stream */ write_register(gspca_dev, 0x05, 0x00); } +static void sd_stopN_depth(struct gspca_dev *gspca_dev) +{ + /* reset depth stream */ + write_register(gspca_dev, 0x06, 0x00); +} + static void sd_pkt_scan(struct gspca_dev *gspca_dev, u8 *__data, int len) { struct sd *sd = (struct sd *) gspca_dev; @@ -366,12 +423,24 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, u8 *__data, int len) } /* sub-driver description */ -static const struct sd_desc sd_desc = { +static const struct sd_desc sd_desc_video = { .name = MODULE_NAME, - .config = sd_config, + .config = sd_config_video, .init = sd_init, - .start = sd_start, - .stopN = sd_stopN, + .start = sd_start_video, + .stopN = sd_stopN_video, + .pkt_scan = sd_pkt_scan, + /* + .get_streamparm = sd_get_streamparm, + .set_streamparm = sd_set_streamparm, + */ +}; +static const struct sd_desc sd_desc_depth = { + .name = MODULE_NAME, + .config = sd_config_depth, + .init = sd_init, + .start = sd_start_depth, + .stopN = sd_stopN_depth, .pkt_scan = sd_pkt_scan, /* .get_streamparm = sd_get_streamparm, @@ -391,8 +460,12 @@ MODULE_DEVICE_TABLE(usb, device_table); /* -- device connect -- */ static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id) { - return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), - THIS_MODULE); + if (depth_mode) + return gspca_dev_probe(intf, id, &sd_desc_depth, + sizeof(struct sd), THIS_MODULE); + else + return gspca_dev_probe(intf, id, &sd_desc_video, + sizeof(struct sd), THIS_MODULE); } static struct usb_driver sd_driver = { @@ -408,3 +481,6 @@ static struct usb_driver sd_driver = { }; module_usb_driver(sd_driver); + +module_param(depth_mode, bool, 0644); +MODULE_PARM_DESC(depth_mode, "0=video 1=depth"); |