+++ /dev/null
-/*
- * USB NB Camera driver
- *
- * HISTORY:
- * 25-Dec-2002 Dmitri Removed lighting, sharpness parameters, methods.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-
-#include "usbvideo.h"
-
-#define ULTRACAM_VENDOR_ID 0x0461
-#define ULTRACAM_PRODUCT_ID 0x0813
-
-#define MAX_CAMERAS 4 /* How many devices we allow to connect */
-
-/*
- * This structure lives in uvd_t->user field.
- */
-typedef struct {
- int initialized; /* Had we already sent init sequence? */
- int camera_model; /* What type of IBM camera we got? */
- int has_hdr;
-} ultracam_t;
-#define ULTRACAM_T(uvd) ((ultracam_t *)((uvd)->user_data))
-
-static struct usbvideo *cams = NULL;
-
-static int debug;
-
-static int flags; /* FLAGS_DISPLAY_HINTS | FLAGS_OVERLAY_STATS; */
-
-static const int min_canvasWidth = 8;
-static const int min_canvasHeight = 4;
-
-#define FRAMERATE_MIN 0
-#define FRAMERATE_MAX 6
-static int framerate = -1;
-
-/*
- * Here we define several initialization variables. They may
- * be used to automatically set color, hue, brightness and
- * contrast to desired values. This is particularly useful in
- * case of webcams (which have no controls and no on-screen
- * output) and also when a client V4L software is used that
- * does not have some of those controls. In any case it's
- * good to have startup values as options.
- *
- * These values are all in [0..255] range. This simplifies
- * operation. Note that actual values of V4L variables may
- * be scaled up (as much as << 8). User can see that only
- * on overlay output, however, or through a V4L client.
- */
-static int init_brightness = 128;
-static int init_contrast = 192;
-static int init_color = 128;
-static int init_hue = 128;
-static int hue_correction = 128;
-
-module_param(debug, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug level: 0-9 (default=0)");
-module_param(flags, int, 0);
-MODULE_PARM_DESC(flags,
- "Bitfield: 0=VIDIOCSYNC, "
- "1=B/W, "
- "2=show hints, "
- "3=show stats, "
- "4=test pattern, "
- "5=separate frames, "
- "6=clean frames");
-module_param(framerate, int, 0);
-MODULE_PARM_DESC(framerate, "Framerate setting: 0=slowest, 6=fastest (default=2)");
-
-module_param(init_brightness, int, 0);
-MODULE_PARM_DESC(init_brightness, "Brightness preconfiguration: 0-255 (default=128)");
-module_param(init_contrast, int, 0);
-MODULE_PARM_DESC(init_contrast, "Contrast preconfiguration: 0-255 (default=192)");
-module_param(init_color, int, 0);
-MODULE_PARM_DESC(init_color, "Color preconfiguration: 0-255 (default=128)");
-module_param(init_hue, int, 0);
-MODULE_PARM_DESC(init_hue, "Hue preconfiguration: 0-255 (default=128)");
-module_param(hue_correction, int, 0);
-MODULE_PARM_DESC(hue_correction, "YUV colorspace regulation: 0-255 (default=128)");
-
-/*
- * ultracam_ProcessIsocData()
- *
- * Generic routine to parse the ring queue data. It employs either
- * ultracam_find_header() or ultracam_parse_lines() to do most
- * of work.
- *
- * 02-Nov-2000 First (mostly dummy) version.
- * 06-Nov-2000 Rewrote to dump all data into frame.
- */
-static void ultracam_ProcessIsocData(struct uvd *uvd, struct usbvideo_frame *frame)
-{
- int n;
-
- assert(uvd != NULL);
- assert(frame != NULL);
-
- /* Try to move data from queue into frame buffer */
- n = RingQueue_GetLength(&uvd->dp);
- if (n > 0) {
- int m;
- /* See how much spare we have left */
- m = uvd->max_frame_size - frame->seqRead_Length;
- if (n > m)
- n = m;
- /* Now move that much data into frame buffer */
- RingQueue_Dequeue(
- &uvd->dp,
- frame->data + frame->seqRead_Length,
- m);
- frame->seqRead_Length += m;
- }
- /* See if we filled the frame */
- if (frame->seqRead_Length >= uvd->max_frame_size) {
- frame->frameState = FrameState_Done;
- uvd->curframe = -1;
- uvd->stats.frame_num++;
- }
-}
-
-/*
- * ultracam_veio()
- *
- * History:
- * 1/27/00 Added check for dev == NULL; this happens if camera is unplugged.
- */
-static int ultracam_veio(
- struct uvd *uvd,
- unsigned char req,
- unsigned short value,
- unsigned short index,
- int is_out)
-{
- static const char proc[] = "ultracam_veio";
- unsigned char cp[8] /* = { 0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef } */;
- int i;
-
- if (!CAMERA_IS_OPERATIONAL(uvd))
- return 0;
-
- if (!is_out) {
- i = usb_control_msg(
- uvd->dev,
- usb_rcvctrlpipe(uvd->dev, 0),
- req,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value,
- index,
- cp,
- sizeof(cp),
- 1000);
-#if 1
- dev_info(&uvd->dev->dev,
- "USB => %02x%02x%02x%02x%02x%02x%02x%02x "
- "(req=$%02x val=$%04x ind=$%04x)\n",
- cp[0],cp[1],cp[2],cp[3],cp[4],cp[5],cp[6],cp[7],
- req, value, index);
-#endif
- } else {
- i = usb_control_msg(
- uvd->dev,
- usb_sndctrlpipe(uvd->dev, 0),
- req,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value,
- index,
- NULL,
- 0,
- 1000);
- }
- if (i < 0) {
- err("%s: ERROR=%d. Camera stopped; Reconnect or reload driver.",
- proc, i);
- uvd->last_error = i;
- }
- return i;
-}
-
-/*
- * ultracam_calculate_fps()
- */
-static int ultracam_calculate_fps(struct uvd *uvd)
-{
- return 3 + framerate*4 + framerate/2;
-}
-
-/*
- * ultracam_adjust_contrast()
- */
-static void ultracam_adjust_contrast(struct uvd *uvd)
-{
-}
-
-/*
- * ultracam_set_brightness()
- *
- * This procedure changes brightness of the picture.
- */
-static void ultracam_set_brightness(struct uvd *uvd)
-{
-}
-
-static void ultracam_set_hue(struct uvd *uvd)
-{
-}
-
-/*
- * ultracam_adjust_picture()
- *
- * This procedure gets called from V4L interface to update picture settings.
- * Here we change brightness and contrast.
- */
-static void ultracam_adjust_picture(struct uvd *uvd)
-{
- ultracam_adjust_contrast(uvd);
- ultracam_set_brightness(uvd);
- ultracam_set_hue(uvd);
-}
-
-/*
- * ultracam_video_stop()
- *
- * This code tells camera to stop streaming. The interface remains
- * configured and bandwidth - claimed.
- */
-static void ultracam_video_stop(struct uvd *uvd)
-{
-}
-
-/*
- * ultracam_reinit_iso()
- *
- * This procedure sends couple of commands to the camera and then
- * resets the video pipe. This sequence was observed to reinit the
- * camera or, at least, to initiate ISO data stream.
- */
-static void ultracam_reinit_iso(struct uvd *uvd, int do_stop)
-{
-}
-
-static void ultracam_video_start(struct uvd *uvd)
-{
- ultracam_reinit_iso(uvd, 0);
-}
-
-static int ultracam_resetPipe(struct uvd *uvd)
-{
- usb_clear_halt(uvd->dev, uvd->video_endp);
- return 0;
-}
-
-static int ultracam_alternateSetting(struct uvd *uvd, int setting)
-{
- static const char proc[] = "ultracam_alternateSetting";
- int i;
- i = usb_set_interface(uvd->dev, uvd->iface, setting);
- if (i < 0) {
- err("%s: usb_set_interface error", proc);
- uvd->last_error = i;
- return -EBUSY;
- }
- return 0;
-}
-
-/*
- * Return negative code on failure, 0 on success.
- */
-static int ultracam_setup_on_open(struct uvd *uvd)
-{
- int setup_ok = 0; /* Success by default */
- /* Send init sequence only once, it's large! */
- if (!ULTRACAM_T(uvd)->initialized) {
- ultracam_alternateSetting(uvd, 0x04);
- ultracam_alternateSetting(uvd, 0x00);
- ultracam_veio(uvd, 0x02, 0x0004, 0x000b, 1);
- ultracam_veio(uvd, 0x02, 0x0001, 0x0005, 1);
- ultracam_veio(uvd, 0x02, 0x8000, 0x0000, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x0000, 1);
- ultracam_veio(uvd, 0x00, 0x00b0, 0x0001, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x0002, 1);
- ultracam_veio(uvd, 0x00, 0x000c, 0x0003, 1);
- ultracam_veio(uvd, 0x00, 0x000b, 0x0004, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x0005, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x0006, 1);
- ultracam_veio(uvd, 0x00, 0x0079, 0x0007, 1);
- ultracam_veio(uvd, 0x00, 0x003b, 0x0008, 1);
- ultracam_veio(uvd, 0x00, 0x0002, 0x000f, 1);
- ultracam_veio(uvd, 0x00, 0x0001, 0x0010, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x0011, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00bf, 1);
- ultracam_veio(uvd, 0x00, 0x0001, 0x00c0, 1);
- ultracam_veio(uvd, 0x00, 0x0010, 0x00cb, 1);
- ultracam_veio(uvd, 0x01, 0x00a4, 0x0001, 1);
- ultracam_veio(uvd, 0x01, 0x0010, 0x0002, 1);
- ultracam_veio(uvd, 0x01, 0x0066, 0x0007, 1);
- ultracam_veio(uvd, 0x01, 0x000b, 0x0008, 1);
- ultracam_veio(uvd, 0x01, 0x0034, 0x0009, 1);
- ultracam_veio(uvd, 0x01, 0x0000, 0x000a, 1);
- ultracam_veio(uvd, 0x01, 0x002e, 0x000b, 1);
- ultracam_veio(uvd, 0x01, 0x00d6, 0x000c, 1);
- ultracam_veio(uvd, 0x01, 0x00fc, 0x000d, 1);
- ultracam_veio(uvd, 0x01, 0x00f1, 0x000e, 1);
- ultracam_veio(uvd, 0x01, 0x00da, 0x000f, 1);
- ultracam_veio(uvd, 0x01, 0x0036, 0x0010, 1);
- ultracam_veio(uvd, 0x01, 0x000b, 0x0011, 1);
- ultracam_veio(uvd, 0x01, 0x0001, 0x0012, 1);
- ultracam_veio(uvd, 0x01, 0x0000, 0x0013, 1);
- ultracam_veio(uvd, 0x01, 0x0000, 0x0014, 1);
- ultracam_veio(uvd, 0x01, 0x0087, 0x0051, 1);
- ultracam_veio(uvd, 0x01, 0x0040, 0x0052, 1);
- ultracam_veio(uvd, 0x01, 0x0058, 0x0053, 1);
- ultracam_veio(uvd, 0x01, 0x0040, 0x0054, 1);
- ultracam_veio(uvd, 0x01, 0x0000, 0x0040, 1);
- ultracam_veio(uvd, 0x01, 0x0010, 0x0041, 1);
- ultracam_veio(uvd, 0x01, 0x0020, 0x0042, 1);
- ultracam_veio(uvd, 0x01, 0x0030, 0x0043, 1);
- ultracam_veio(uvd, 0x01, 0x0040, 0x0044, 1);
- ultracam_veio(uvd, 0x01, 0x0050, 0x0045, 1);
- ultracam_veio(uvd, 0x01, 0x0060, 0x0046, 1);
- ultracam_veio(uvd, 0x01, 0x0070, 0x0047, 1);
- ultracam_veio(uvd, 0x01, 0x0080, 0x0048, 1);
- ultracam_veio(uvd, 0x01, 0x0090, 0x0049, 1);
- ultracam_veio(uvd, 0x01, 0x00a0, 0x004a, 1);
- ultracam_veio(uvd, 0x01, 0x00b0, 0x004b, 1);
- ultracam_veio(uvd, 0x01, 0x00c0, 0x004c, 1);
- ultracam_veio(uvd, 0x01, 0x00d0, 0x004d, 1);
- ultracam_veio(uvd, 0x01, 0x00e0, 0x004e, 1);
- ultracam_veio(uvd, 0x01, 0x00f0, 0x004f, 1);
- ultracam_veio(uvd, 0x01, 0x00ff, 0x0050, 1);
- ultracam_veio(uvd, 0x01, 0x0000, 0x0056, 1);
- ultracam_veio(uvd, 0x00, 0x0080, 0x00c1, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c2, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0080, 0x00c1, 1);
- ultracam_veio(uvd, 0x00, 0x0004, 0x00c2, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0002, 0x00c1, 1);
- ultracam_veio(uvd, 0x00, 0x0020, 0x00c2, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c3, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c4, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c5, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c6, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c7, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c8, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c3, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c4, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c5, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c6, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c7, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c8, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0040, 0x00c1, 1);
- ultracam_veio(uvd, 0x00, 0x0017, 0x00c2, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c3, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c4, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c5, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c6, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c7, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c8, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c3, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c4, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c5, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c6, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c7, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c8, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c9, 1);
- ultracam_veio(uvd, 0x00, 0x00c0, 0x00c1, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00c2, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1);
- ultracam_veio(uvd, 0x02, 0xc040, 0x0001, 1);
- ultracam_veio(uvd, 0x01, 0x0000, 0x0008, 0);
- ultracam_veio(uvd, 0x01, 0x0000, 0x0009, 0);
- ultracam_veio(uvd, 0x01, 0x0000, 0x000a, 0);
- ultracam_veio(uvd, 0x01, 0x0000, 0x000b, 0);
- ultracam_veio(uvd, 0x01, 0x0000, 0x000c, 0);
- ultracam_veio(uvd, 0x01, 0x0000, 0x000d, 0);
- ultracam_veio(uvd, 0x01, 0x0000, 0x000e, 0);
- ultracam_veio(uvd, 0x01, 0x0000, 0x000f, 0);
- ultracam_veio(uvd, 0x01, 0x0000, 0x0010, 0);
- ultracam_veio(uvd, 0x01, 0x000b, 0x0008, 1);
- ultracam_veio(uvd, 0x01, 0x0034, 0x0009, 1);
- ultracam_veio(uvd, 0x01, 0x0000, 0x000a, 1);
- ultracam_veio(uvd, 0x01, 0x002e, 0x000b, 1);
- ultracam_veio(uvd, 0x01, 0x00d6, 0x000c, 1);
- ultracam_veio(uvd, 0x01, 0x00fc, 0x000d, 1);
- ultracam_veio(uvd, 0x01, 0x00f1, 0x000e, 1);
- ultracam_veio(uvd, 0x01, 0x00da, 0x000f, 1);
- ultracam_veio(uvd, 0x01, 0x0036, 0x0010, 1);
- ultracam_veio(uvd, 0x01, 0x0000, 0x0001, 0);
- ultracam_veio(uvd, 0x01, 0x0064, 0x0001, 1);
- ultracam_veio(uvd, 0x01, 0x0059, 0x0051, 1);
- ultracam_veio(uvd, 0x01, 0x003f, 0x0052, 1);
- ultracam_veio(uvd, 0x01, 0x0094, 0x0053, 1);
- ultracam_veio(uvd, 0x01, 0x00ff, 0x0011, 1);
- ultracam_veio(uvd, 0x01, 0x0003, 0x0012, 1);
- ultracam_veio(uvd, 0x01, 0x00f7, 0x0013, 1);
- ultracam_veio(uvd, 0x00, 0x0009, 0x0011, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x0001, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x0000, 1);
- ultracam_veio(uvd, 0x00, 0x0020, 0x00c1, 1);
- ultracam_veio(uvd, 0x00, 0x0010, 0x00c2, 1);
- ultracam_veio(uvd, 0x00, 0x0000, 0x00ca, 1);
- ultracam_alternateSetting(uvd, 0x04);
- ultracam_veio(uvd, 0x02, 0x0000, 0x0001, 1);
- ultracam_veio(uvd, 0x02, 0x0000, 0x0001, 1);
- ultracam_veio(uvd, 0x02, 0x0000, 0x0006, 1);
- ultracam_veio(uvd, 0x02, 0x9000, 0x0007, 1);
- ultracam_veio(uvd, 0x02, 0x0042, 0x0001, 1);
- ultracam_veio(uvd, 0x02, 0x0000, 0x000b, 0);
- ultracam_resetPipe(uvd);
- ULTRACAM_T(uvd)->initialized = (setup_ok != 0);
- }
- return setup_ok;
-}
-
-static void ultracam_configure_video(struct uvd *uvd)
-{
- if (uvd == NULL)
- return;
-
- RESTRICT_TO_RANGE(init_brightness, 0, 255);
- RESTRICT_TO_RANGE(init_contrast, 0, 255);
- RESTRICT_TO_RANGE(init_color, 0, 255);
- RESTRICT_TO_RANGE(init_hue, 0, 255);
- RESTRICT_TO_RANGE(hue_correction, 0, 255);
-
- memset(&uvd->vpic, 0, sizeof(uvd->vpic));
- memset(&uvd->vpic_old, 0x55, sizeof(uvd->vpic_old));
-
- uvd->vpic.colour = init_color << 8;
- uvd->vpic.hue = init_hue << 8;
- uvd->vpic.brightness = init_brightness << 8;
- uvd->vpic.contrast = init_contrast << 8;
- uvd->vpic.whiteness = 105 << 8; /* This one isn't used */
- uvd->vpic.depth = 24;
- uvd->vpic.palette = VIDEO_PALETTE_RGB24;
-
- memset(&uvd->vcap, 0, sizeof(uvd->vcap));
- strcpy(uvd->vcap.name, "IBM Ultra Camera");
- uvd->vcap.type = VID_TYPE_CAPTURE;
- uvd->vcap.channels = 1;
- uvd->vcap.audios = 0;
- uvd->vcap.maxwidth = VIDEOSIZE_X(uvd->canvas);
- uvd->vcap.maxheight = VIDEOSIZE_Y(uvd->canvas);
- uvd->vcap.minwidth = min_canvasWidth;
- uvd->vcap.minheight = min_canvasHeight;
-
- memset(&uvd->vchan, 0, sizeof(uvd->vchan));
- uvd->vchan.flags = 0;
- uvd->vchan.tuners = 0;
- uvd->vchan.channel = 0;
- uvd->vchan.type = VIDEO_TYPE_CAMERA;
- strcpy(uvd->vchan.name, "Camera");
-}
-
-/*
- * ultracam_probe()
- *
- * This procedure queries device descriptor and accepts the interface
- * if it looks like our camera.
- *
- * History:
- * 12-Nov-2000 Reworked to comply with new probe() signature.
- * 23-Jan-2001 Added compatibility with 2.2.x kernels.
- */
-static int ultracam_probe(struct usb_interface *intf, const struct usb_device_id *devid)
-{
- struct usb_device *dev = interface_to_usbdev(intf);
- struct uvd *uvd = NULL;
- int ix, i, nas;
- int actInterface=-1, inactInterface=-1, maxPS=0;
- unsigned char video_ep = 0;
-
- if (debug >= 1)
- dev_info(&intf->dev, "ultracam_probe\n");
-
- /* We don't handle multi-config cameras */
- if (dev->descriptor.bNumConfigurations != 1)
- return -ENODEV;
-
- dev_info(&intf->dev, "IBM Ultra camera found (rev. 0x%04x)\n",
- le16_to_cpu(dev->descriptor.bcdDevice));
-
- /* Validate found interface: must have one ISO endpoint */
- nas = intf->num_altsetting;
- if (debug > 0)
- dev_info(&intf->dev, "Number of alternate settings=%d.\n",
- nas);
- if (nas < 8) {
- err("Too few alternate settings for this camera!");
- return -ENODEV;
- }
- /* Validate all alternate settings */
- for (ix=0; ix < nas; ix++) {
- const struct usb_host_interface *interface;
- const struct usb_endpoint_descriptor *endpoint;
-
- interface = &intf->altsetting[ix];
- i = interface->desc.bAlternateSetting;
- if (interface->desc.bNumEndpoints != 1) {
- err("Interface %d. has %u. endpoints!",
- interface->desc.bInterfaceNumber,
- (unsigned)(interface->desc.bNumEndpoints));
- return -ENODEV;
- }
- endpoint = &interface->endpoint[0].desc;
- if (video_ep == 0)
- video_ep = endpoint->bEndpointAddress;
- else if (video_ep != endpoint->bEndpointAddress) {
- err("Alternate settings have different endpoint addresses!");
- return -ENODEV;
- }
- if (!usb_endpoint_xfer_isoc(endpoint)) {
- err("Interface %d. has non-ISO endpoint!",
- interface->desc.bInterfaceNumber);
- return -ENODEV;
- }
- if (usb_endpoint_dir_out(endpoint)) {
- err("Interface %d. has ISO OUT endpoint!",
- interface->desc.bInterfaceNumber);
- return -ENODEV;
- }
- if (le16_to_cpu(endpoint->wMaxPacketSize) == 0) {
- if (inactInterface < 0)
- inactInterface = i;
- else {
- err("More than one inactive alt. setting!");
- return -ENODEV;
- }
- } else {
- if (actInterface < 0) {
- actInterface = i;
- maxPS = le16_to_cpu(endpoint->wMaxPacketSize);
- if (debug > 0)
- dev_info(&intf->dev,
- "Active setting=%d. "
- "maxPS=%d.\n", i, maxPS);
- } else {
- /* Got another active alt. setting */
- if (maxPS < le16_to_cpu(endpoint->wMaxPacketSize)) {
- /* This one is better! */
- actInterface = i;
- maxPS = le16_to_cpu(endpoint->wMaxPacketSize);
- if (debug > 0) {
- dev_info(&intf->dev,
- "Even better ctive "
- "setting=%d. "
- "maxPS=%d.\n",
- i, maxPS);
- }
- }
- }
- }
- }
- if ((maxPS <= 0) || (actInterface < 0) || (inactInterface < 0)) {
- err("Failed to recognize the camera!");
- return -ENODEV;
- }
-
- uvd = usbvideo_AllocateDevice(cams);
- if (uvd != NULL) {
- /* Here uvd is a fully allocated uvd object */
- uvd->flags = flags;
- uvd->debug = debug;
- uvd->dev = dev;
- uvd->iface = intf->altsetting->desc.bInterfaceNumber;
- uvd->ifaceAltInactive = inactInterface;
- uvd->ifaceAltActive = actInterface;
- uvd->video_endp = video_ep;
- uvd->iso_packet_len = maxPS;
- uvd->paletteBits = 1L << VIDEO_PALETTE_RGB24;
- uvd->defaultPalette = VIDEO_PALETTE_RGB24;
- uvd->canvas = VIDEOSIZE(640, 480); /* FIXME */
- uvd->videosize = uvd->canvas; /* ultracam_size_to_videosize(size);*/
-
- /* Initialize ibmcam-specific data */
- assert(ULTRACAM_T(uvd) != NULL);
- ULTRACAM_T(uvd)->camera_model = 0; /* Not used yet */
- ULTRACAM_T(uvd)->initialized = 0;
-
- ultracam_configure_video(uvd);
-
- i = usbvideo_RegisterVideoDevice(uvd);
- if (i != 0) {
- err("usbvideo_RegisterVideoDevice() failed.");
- uvd = NULL;
- }
- }
-
- if (uvd) {
- usb_set_intfdata (intf, uvd);
- return 0;
- }
- return -EIO;
-}
-
-
-static struct usb_device_id id_table[] = {
- { USB_DEVICE(ULTRACAM_VENDOR_ID, ULTRACAM_PRODUCT_ID) },
- { } /* Terminating entry */
-};
-
-/*
- * ultracam_init()
- *
- * This code is run to initialize the driver.
- */
-static int __init ultracam_init(void)
-{
- struct usbvideo_cb cbTbl;
- memset(&cbTbl, 0, sizeof(cbTbl));
- cbTbl.probe = ultracam_probe;
- cbTbl.setupOnOpen = ultracam_setup_on_open;
- cbTbl.videoStart = ultracam_video_start;
- cbTbl.videoStop = ultracam_video_stop;
- cbTbl.processData = ultracam_ProcessIsocData;
- cbTbl.postProcess = usbvideo_DeinterlaceFrame;
- cbTbl.adjustPicture = ultracam_adjust_picture;
- cbTbl.getFPS = ultracam_calculate_fps;
- return usbvideo_register(
- &cams,
- MAX_CAMERAS,
- sizeof(ultracam_t),
- "ultracam",
- &cbTbl,
- THIS_MODULE,
- id_table);
-}
-
-static void __exit ultracam_cleanup(void)
-{
- usbvideo_Deregister(&cams);
-}
-
-MODULE_DEVICE_TABLE(usb, id_table);
-MODULE_LICENSE("GPL");
-
-module_init(ultracam_init);
-module_exit(ultracam_cleanup);
projects / mv-sheeva.git / blobdiff