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path: root/drivers/media/video/gspca/kinect.c
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Diffstat (limited to 'drivers/media/video/gspca/kinect.c')
-rw-r--r--drivers/media/video/gspca/kinect.c408
1 files changed, 0 insertions, 408 deletions
diff --git a/drivers/media/video/gspca/kinect.c b/drivers/media/video/gspca/kinect.c
deleted file mode 100644
index 40ad668..0000000
--- a/drivers/media/video/gspca/kinect.c
+++ /dev/null
@@ -1,408 +0,0 @@
-/*
- * kinect sensor device camera, gspca driver
- *
- * Copyright (C) 2011 Antonio Ospite <ospite@studenti.unina.it>
- *
- * Based on the OpenKinect project and libfreenect
- * http://openkinect.org/wiki/Init_Analysis
- *
- * Special thanks to Steven Toth and kernellabs.com for sponsoring a Kinect
- * sensor device which I tested the driver on.
- *
- * 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
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#define MODULE_NAME "kinect"
-
-#include "gspca.h"
-
-#define CTRL_TIMEOUT 500
-
-MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
-MODULE_DESCRIPTION("GSPCA/Kinect Sensor Device USB Camera Driver");
-MODULE_LICENSE("GPL");
-
-struct pkt_hdr {
- uint8_t magic[2];
- uint8_t pad;
- uint8_t flag;
- uint8_t unk1;
- uint8_t seq;
- uint8_t unk2;
- uint8_t unk3;
- uint32_t timestamp;
-};
-
-struct cam_hdr {
- uint8_t magic[2];
- uint16_t len;
- uint16_t cmd;
- uint16_t tag;
-};
-
-/* specific webcam descriptor */
-struct sd {
- struct gspca_dev gspca_dev; /* !! must be the first item */
- uint16_t cam_tag; /* a sequence number for packets */
- uint8_t stream_flag; /* to identify different stream types */
- uint8_t obuf[0x400]; /* output buffer for control commands */
- uint8_t ibuf[0x200]; /* input buffer for control commands */
-};
-
-#define MODE_640x480 0x0001
-#define MODE_640x488 0x0002
-#define MODE_1280x1024 0x0004
-
-#define FORMAT_BAYER 0x0010
-#define FORMAT_UYVY 0x0020
-#define FORMAT_Y10B 0x0040
-
-#define FPS_HIGH 0x0100
-
-static const struct v4l2_pix_format video_camera_mode[] = {
- {640, 480, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
- .bytesperline = 640,
- .sizeimage = 640 * 480,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .priv = MODE_640x480 | FORMAT_BAYER | FPS_HIGH},
- {640, 480, V4L2_PIX_FMT_UYVY, V4L2_FIELD_NONE,
- .bytesperline = 640 * 2,
- .sizeimage = 640 * 480 * 2,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .priv = MODE_640x480 | FORMAT_UYVY},
- {1280, 1024, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
- .bytesperline = 1280,
- .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)
-{
- return usb_control_msg(udev,
- usb_sndctrlpipe(udev, 0),
- 0x00,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0, 0, data, wLength, CTRL_TIMEOUT);
-}
-
-static int kinect_read(struct usb_device *udev, uint8_t *data, uint16_t wLength)
-{
- return usb_control_msg(udev,
- usb_rcvctrlpipe(udev, 0),
- 0x00,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0, 0, data, wLength, CTRL_TIMEOUT);
-}
-
-static int send_cmd(struct gspca_dev *gspca_dev, uint16_t cmd, void *cmdbuf,
- unsigned int cmd_len, void *replybuf, unsigned int reply_len)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- struct usb_device *udev = gspca_dev->dev;
- int res, actual_len;
- uint8_t *obuf = sd->obuf;
- uint8_t *ibuf = sd->ibuf;
- struct cam_hdr *chdr = (void *)obuf;
- struct cam_hdr *rhdr = (void *)ibuf;
-
- if (cmd_len & 1 || cmd_len > (0x400 - sizeof(*chdr))) {
- pr_err("send_cmd: Invalid command length (0x%x)\n", cmd_len);
- return -1;
- }
-
- chdr->magic[0] = 0x47;
- chdr->magic[1] = 0x4d;
- chdr->cmd = cpu_to_le16(cmd);
- chdr->tag = cpu_to_le16(sd->cam_tag);
- chdr->len = cpu_to_le16(cmd_len / 2);
-
- memcpy(obuf+sizeof(*chdr), cmdbuf, cmd_len);
-
- res = kinect_write(udev, obuf, cmd_len + sizeof(*chdr));
- PDEBUG(D_USBO, "Control cmd=%04x tag=%04x len=%04x: %d", cmd,
- sd->cam_tag, cmd_len, res);
- if (res < 0) {
- pr_err("send_cmd: Output control transfer failed (%d)\n", res);
- return res;
- }
-
- do {
- actual_len = kinect_read(udev, ibuf, 0x200);
- } while (actual_len == 0);
- PDEBUG(D_USBO, "Control reply: %d", res);
- if (actual_len < sizeof(*rhdr)) {
- pr_err("send_cmd: Input control transfer failed (%d)\n", res);
- return res;
- }
- actual_len -= sizeof(*rhdr);
-
- if (rhdr->magic[0] != 0x52 || rhdr->magic[1] != 0x42) {
- pr_err("send_cmd: Bad magic %02x %02x\n",
- rhdr->magic[0], rhdr->magic[1]);
- return -1;
- }
- if (rhdr->cmd != chdr->cmd) {
- pr_err("send_cmd: Bad cmd %02x != %02x\n",
- rhdr->cmd, chdr->cmd);
- return -1;
- }
- if (rhdr->tag != chdr->tag) {
- pr_err("send_cmd: Bad tag %04x != %04x\n",
- rhdr->tag, chdr->tag);
- return -1;
- }
- if (cpu_to_le16(rhdr->len) != (actual_len/2)) {
- pr_err("send_cmd: Bad len %04x != %04x\n",
- cpu_to_le16(rhdr->len), (int)(actual_len/2));
- return -1;
- }
-
- if (actual_len > reply_len) {
- pr_warn("send_cmd: Data buffer is %d bytes long, but got %d bytes\n",
- reply_len, actual_len);
- memcpy(replybuf, ibuf+sizeof(*rhdr), reply_len);
- } else {
- memcpy(replybuf, ibuf+sizeof(*rhdr), actual_len);
- }
-
- sd->cam_tag++;
-
- return actual_len;
-}
-
-static int write_register(struct gspca_dev *gspca_dev, uint16_t reg,
- uint16_t data)
-{
- uint16_t reply[2];
- uint16_t cmd[2];
- int res;
-
- cmd[0] = cpu_to_le16(reg);
- cmd[1] = cpu_to_le16(data);
-
- PDEBUG(D_USBO, "Write Reg 0x%04x <= 0x%02x", reg, data);
- res = send_cmd(gspca_dev, 0x03, cmd, 4, reply, 4);
- if (res < 0)
- return res;
- if (res != 2) {
- pr_warn("send_cmd returned %d [%04x %04x], 0000 expected\n",
- res, reply[0], reply[1]);
- }
- return 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;
-
- sd->cam_tag = 0;
-
- /* Only video stream is supported for now,
- * which has stream flag = 0x80 */
- sd->stream_flag = 0x80;
-
- cam = &gspca_dev->cam;
-
- cam->cam_mode = video_camera_mode;
- cam->nmodes = ARRAY_SIZE(video_camera_mode);
-
-#if 0
- /* Setting those values is not needed for video stream */
- cam->npkt = 15;
- gspca_dev->pkt_size = 960 * 2;
-#endif
-
- return 0;
-}
-
-/* this function is called at probe and resume time */
-static int sd_init(struct gspca_dev *gspca_dev)
-{
- PDEBUG(D_PROBE, "Kinect Camera device.");
-
- return 0;
-}
-
-static int sd_start(struct gspca_dev *gspca_dev)
-{
- int mode;
- 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;
-
- 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)
- fmt_val = 0x05;
- else
- fmt_val = 0x00;
-
- if (mode & MODE_1280x1024)
- res_val = 0x02;
- else
- res_val = 0x01;
-
- if (mode & FPS_HIGH)
- fps_val = 0x1e;
- 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, mode_val);
-
- /* disable Hflip */
- write_register(gspca_dev, 0x47, 0x00);
-
- return 0;
-}
-
-static void sd_stopN(struct gspca_dev *gspca_dev)
-{
- /* reset video stream */
- write_register(gspca_dev, 0x05, 0x00);
-}
-
-static void sd_pkt_scan(struct gspca_dev *gspca_dev, u8 *__data, int len)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- struct pkt_hdr *hdr = (void *)__data;
- uint8_t *data = __data + sizeof(*hdr);
- int datalen = len - sizeof(*hdr);
-
- uint8_t sof = sd->stream_flag | 1;
- uint8_t mof = sd->stream_flag | 2;
- uint8_t eof = sd->stream_flag | 5;
-
- if (len < 12)
- return;
-
- if (hdr->magic[0] != 'R' || hdr->magic[1] != 'B') {
- pr_warn("[Stream %02x] Invalid magic %02x%02x\n",
- sd->stream_flag, hdr->magic[0], hdr->magic[1]);
- return;
- }
-
- if (hdr->flag == sof)
- gspca_frame_add(gspca_dev, FIRST_PACKET, data, datalen);
-
- else if (hdr->flag == mof)
- gspca_frame_add(gspca_dev, INTER_PACKET, data, datalen);
-
- else if (hdr->flag == eof)
- gspca_frame_add(gspca_dev, LAST_PACKET, data, datalen);
-
- else
- pr_warn("Packet type not recognized...\n");
-}
-
-/* sub-driver description */
-static const struct sd_desc sd_desc = {
- .name = MODULE_NAME,
- .config = sd_config,
- .init = sd_init,
- .start = sd_start,
- .stopN = sd_stopN,
- .pkt_scan = sd_pkt_scan,
- /*
- .get_streamparm = sd_get_streamparm,
- .set_streamparm = sd_set_streamparm,
- */
-};
-
-/* -- module initialisation -- */
-static const struct usb_device_id device_table[] = {
- {USB_DEVICE(0x045e, 0x02ae)},
- {}
-};
-
-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);
-}
-
-static struct usb_driver sd_driver = {
- .name = MODULE_NAME,
- .id_table = device_table,
- .probe = sd_probe,
- .disconnect = gspca_disconnect,
-#ifdef CONFIG_PM
- .suspend = gspca_suspend,
- .resume = gspca_resume,
- .reset_resume = gspca_resume,
-#endif
-};
-
-module_usb_driver(sd_driver);
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