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680 lines
21 KiB
C
680 lines
21 KiB
C
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/*
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* USB NB Camera driver
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*
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* HISTORY:
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* 25-Dec-2002 Dmitri Removed lighting, sharpness parameters, methods.
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*/
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include "usbvideo.h"
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#define ULTRACAM_VENDOR_ID 0x0461
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#define ULTRACAM_PRODUCT_ID 0x0813
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#define MAX_CAMERAS 4 /* How many devices we allow to connect */
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/*
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* This structure lives in uvd_t->user field.
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*/
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typedef struct {
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int initialized; /* Had we already sent init sequence? */
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int camera_model; /* What type of IBM camera we got? */
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int has_hdr;
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} ultracam_t;
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#define ULTRACAM_T(uvd) ((ultracam_t *)((uvd)->user_data))
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static struct usbvideo *cams = NULL;
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static int debug = 0;
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static int flags = 0; /* FLAGS_DISPLAY_HINTS | FLAGS_OVERLAY_STATS; */
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static const int min_canvasWidth = 8;
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static const int min_canvasHeight = 4;
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#define FRAMERATE_MIN 0
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#define FRAMERATE_MAX 6
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static int framerate = -1;
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/*
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* Here we define several initialization variables. They may
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* be used to automatically set color, hue, brightness and
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* contrast to desired values. This is particularly useful in
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* case of webcams (which have no controls and no on-screen
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* output) and also when a client V4L software is used that
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* does not have some of those controls. In any case it's
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* good to have startup values as options.
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*
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* These values are all in [0..255] range. This simplifies
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* operation. Note that actual values of V4L variables may
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* be scaled up (as much as << 8). User can see that only
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* on overlay output, however, or through a V4L client.
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*/
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static int init_brightness = 128;
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static int init_contrast = 192;
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static int init_color = 128;
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static int init_hue = 128;
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static int hue_correction = 128;
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module_param(debug, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(debug, "Debug level: 0-9 (default=0)");
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module_param(flags, int, 0);
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MODULE_PARM_DESC(flags,
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"Bitfield: 0=VIDIOCSYNC, "
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"1=B/W, "
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"2=show hints, "
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"3=show stats, "
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"4=test pattern, "
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"5=separate frames, "
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"6=clean frames");
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module_param(framerate, int, 0);
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MODULE_PARM_DESC(framerate, "Framerate setting: 0=slowest, 6=fastest (default=2)");
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module_param(init_brightness, int, 0);
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MODULE_PARM_DESC(init_brightness, "Brightness preconfiguration: 0-255 (default=128)");
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module_param(init_contrast, int, 0);
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MODULE_PARM_DESC(init_contrast, "Contrast preconfiguration: 0-255 (default=192)");
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module_param(init_color, int, 0);
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MODULE_PARM_DESC(init_color, "Color preconfiguration: 0-255 (default=128)");
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module_param(init_hue, int, 0);
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MODULE_PARM_DESC(init_hue, "Hue preconfiguration: 0-255 (default=128)");
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module_param(hue_correction, int, 0);
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MODULE_PARM_DESC(hue_correction, "YUV colorspace regulation: 0-255 (default=128)");
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/*
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* ultracam_ProcessIsocData()
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*
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* Generic routine to parse the ring queue data. It employs either
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* ultracam_find_header() or ultracam_parse_lines() to do most
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* of work.
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*
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* 02-Nov-2000 First (mostly dummy) version.
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* 06-Nov-2000 Rewrote to dump all data into frame.
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*/
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static void ultracam_ProcessIsocData(struct uvd *uvd, struct usbvideo_frame *frame)
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{
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int n;
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assert(uvd != NULL);
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assert(frame != NULL);
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/* Try to move data from queue into frame buffer */
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n = RingQueue_GetLength(&uvd->dp);
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if (n > 0) {
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int m;
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/* See how much spare we have left */
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m = uvd->max_frame_size - frame->seqRead_Length;
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if (n > m)
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n = m;
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/* Now move that much data into frame buffer */
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RingQueue_Dequeue(
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&uvd->dp,
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frame->data + frame->seqRead_Length,
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m);
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frame->seqRead_Length += m;
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}
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/* See if we filled the frame */
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if (frame->seqRead_Length >= uvd->max_frame_size) {
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frame->frameState = FrameState_Done;
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uvd->curframe = -1;
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uvd->stats.frame_num++;
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}
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}
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/*
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* ultracam_veio()
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*
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* History:
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* 1/27/00 Added check for dev == NULL; this happens if camera is unplugged.
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*/
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static int ultracam_veio(
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struct uvd *uvd,
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unsigned char req,
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unsigned short value,
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unsigned short index,
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int is_out)
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{
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static const char proc[] = "ultracam_veio";
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unsigned char cp[8] /* = { 0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef } */;
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int i;
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if (!CAMERA_IS_OPERATIONAL(uvd))
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return 0;
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if (!is_out) {
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i = usb_control_msg(
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uvd->dev,
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usb_rcvctrlpipe(uvd->dev, 0),
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req,
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USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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value,
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index,
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cp,
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sizeof(cp),
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1000);
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#if 1
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info("USB => %02x%02x%02x%02x%02x%02x%02x%02x "
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"(req=$%02x val=$%04x ind=$%04x)",
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cp[0],cp[1],cp[2],cp[3],cp[4],cp[5],cp[6],cp[7],
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req, value, index);
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#endif
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} else {
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i = usb_control_msg(
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uvd->dev,
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usb_sndctrlpipe(uvd->dev, 0),
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req,
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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value,
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index,
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NULL,
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0,
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1000);
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}
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if (i < 0) {
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err("%s: ERROR=%d. Camera stopped; Reconnect or reload driver.",
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proc, i);
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uvd->last_error = i;
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}
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return i;
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}
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/*
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* ultracam_calculate_fps()
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*/
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static int ultracam_calculate_fps(struct uvd *uvd)
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{
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return 3 + framerate*4 + framerate/2;
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}
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/*
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* ultracam_adjust_contrast()
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*/
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static void ultracam_adjust_contrast(struct uvd *uvd)
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{
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}
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/*
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* ultracam_set_brightness()
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*
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* This procedure changes brightness of the picture.
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*/
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static void ultracam_set_brightness(struct uvd *uvd)
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{
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}
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static void ultracam_set_hue(struct uvd *uvd)
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{
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}
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/*
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* ultracam_adjust_picture()
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*
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* This procedure gets called from V4L interface to update picture settings.
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* Here we change brightness and contrast.
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*/
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static void ultracam_adjust_picture(struct uvd *uvd)
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{
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ultracam_adjust_contrast(uvd);
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ultracam_set_brightness(uvd);
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ultracam_set_hue(uvd);
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}
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/*
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* ultracam_video_stop()
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*
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* This code tells camera to stop streaming. The interface remains
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* configured and bandwidth - claimed.
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*/
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static void ultracam_video_stop(struct uvd *uvd)
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{
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}
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/*
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* ultracam_reinit_iso()
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*
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* This procedure sends couple of commands to the camera and then
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* resets the video pipe. This sequence was observed to reinit the
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* camera or, at least, to initiate ISO data stream.
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*/
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static void ultracam_reinit_iso(struct uvd *uvd, int do_stop)
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{
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}
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static void ultracam_video_start(struct uvd *uvd)
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{
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ultracam_reinit_iso(uvd, 0);
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}
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static int ultracam_resetPipe(struct uvd *uvd)
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{
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usb_clear_halt(uvd->dev, uvd->video_endp);
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return 0;
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}
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static int ultracam_alternateSetting(struct uvd *uvd, int setting)
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{
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static const char proc[] = "ultracam_alternateSetting";
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int i;
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i = usb_set_interface(uvd->dev, uvd->iface, setting);
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if (i < 0) {
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err("%s: usb_set_interface error", proc);
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uvd->last_error = i;
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return -EBUSY;
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}
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return 0;
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}
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/*
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* Return negative code on failure, 0 on success.
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*/
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static int ultracam_setup_on_open(struct uvd *uvd)
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{
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int setup_ok = 0; /* Success by default */
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/* Send init sequence only once, it's large! */
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if (!ULTRACAM_T(uvd)->initialized) {
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ultracam_alternateSetting(uvd, 0x04);
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ultracam_alternateSetting(uvd, 0x00);
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ultracam_veio(uvd, 0x02, 0x0004, 0x000b, 1);
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ultracam_veio(uvd, 0x02, 0x0001, 0x0005, 1);
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ultracam_veio(uvd, 0x02, 0x8000, 0x0000, 1);
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ultracam_veio(uvd, 0x00, 0x0000, 0x0000, 1);
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ultracam_veio(uvd, 0x00, 0x00b0, 0x0001, 1);
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ultracam_veio(uvd, 0x00, 0x0000, 0x0002, 1);
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ultracam_veio(uvd, 0x00, 0x000c, 0x0003, 1);
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ultracam_veio(uvd, 0x00, 0x000b, 0x0004, 1);
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ultracam_veio(uvd, 0x00, 0x0000, 0x0005, 1);
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ultracam_veio(uvd, 0x00, 0x0000, 0x0006, 1);
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ultracam_veio(uvd, 0x00, 0x0079, 0x0007, 1);
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ultracam_veio(uvd, 0x00, 0x003b, 0x0008, 1);
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ultracam_veio(uvd, 0x00, 0x0002, 0x000f, 1);
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ultracam_veio(uvd, 0x00, 0x0001, 0x0010, 1);
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ultracam_veio(uvd, 0x00, 0x0000, 0x0011, 1);
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ultracam_veio(uvd, 0x00, 0x0000, 0x00bf, 1);
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ultracam_veio(uvd, 0x00, 0x0001, 0x00c0, 1);
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ultracam_veio(uvd, 0x00, 0x0010, 0x00cb, 1);
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ultracam_veio(uvd, 0x01, 0x00a4, 0x0001, 1);
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ultracam_veio(uvd, 0x01, 0x0010, 0x0002, 1);
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ultracam_veio(uvd, 0x01, 0x0066, 0x0007, 1);
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ultracam_veio(uvd, 0x01, 0x000b, 0x0008, 1);
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ultracam_veio(uvd, 0x01, 0x0034, 0x0009, 1);
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ultracam_veio(uvd, 0x01, 0x0000, 0x000a, 1);
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ultracam_veio(uvd, 0x01, 0x002e, 0x000b, 1);
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ultracam_veio(uvd, 0x01, 0x00d6, 0x000c, 1);
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ultracam_veio(uvd, 0x01, 0x00fc, 0x000d, 1);
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ultracam_veio(uvd, 0x01, 0x00f1, 0x000e, 1);
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ultracam_veio(uvd, 0x01, 0x00da, 0x000f, 1);
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ultracam_veio(uvd, 0x01, 0x0036, 0x0010, 1);
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ultracam_veio(uvd, 0x01, 0x000b, 0x0011, 1);
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ultracam_veio(uvd, 0x01, 0x0001, 0x0012, 1);
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ultracam_veio(uvd, 0x01, 0x0000, 0x0013, 1);
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ultracam_veio(uvd, 0x01, 0x0000, 0x0014, 1);
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ultracam_veio(uvd, 0x01, 0x0087, 0x0051, 1);
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ultracam_veio(uvd, 0x01, 0x0040, 0x0052, 1);
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ultracam_veio(uvd, 0x01, 0x0058, 0x0053, 1);
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ultracam_veio(uvd, 0x01, 0x0040, 0x0054, 1);
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ultracam_veio(uvd, 0x01, 0x0000, 0x0040, 1);
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ultracam_veio(uvd, 0x01, 0x0010, 0x0041, 1);
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ultracam_veio(uvd, 0x01, 0x0020, 0x0042, 1);
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ultracam_veio(uvd, 0x01, 0x0030, 0x0043, 1);
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ultracam_veio(uvd, 0x01, 0x0040, 0x0044, 1);
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ultracam_veio(uvd, 0x01, 0x0050, 0x0045, 1);
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ultracam_veio(uvd, 0x01, 0x0060, 0x0046, 1);
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ultracam_veio(uvd, 0x01, 0x0070, 0x0047, 1);
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ultracam_veio(uvd, 0x01, 0x0080, 0x0048, 1);
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ultracam_veio(uvd, 0x01, 0x0090, 0x0049, 1);
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ultracam_veio(uvd, 0x01, 0x00a0, 0x004a, 1);
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ultracam_veio(uvd, 0x01, 0x00b0, 0x004b, 1);
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ultracam_veio(uvd, 0x01, 0x00c0, 0x004c, 1);
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ultracam_veio(uvd, 0x01, 0x00d0, 0x004d, 1);
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ultracam_veio(uvd, 0x01, 0x00e0, 0x004e, 1);
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|
|
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)
|
||
|
|
info("ultracam_probe(%p)", intf);
|
||
|
|
|
||
|
|
/* We don't handle multi-config cameras */
|
||
|
|
if (dev->descriptor.bNumConfigurations != 1)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
info("IBM Ultra camera found (rev. 0x%04x)",
|
||
|
|
le16_to_cpu(dev->descriptor.bcdDevice));
|
||
|
|
|
||
|
|
/* Validate found interface: must have one ISO endpoint */
|
||
|
|
nas = intf->num_altsetting;
|
||
|
|
if (debug > 0)
|
||
|
|
info("Number of alternate settings=%d.", 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 ((endpoint->bmAttributes & 0x03) != 0x01) {
|
||
|
|
err("Interface %d. has non-ISO endpoint!",
|
||
|
|
interface->desc.bInterfaceNumber);
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
if ((endpoint->bEndpointAddress & 0x80) == 0) {
|
||
|
|
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)
|
||
|
|
info("Active setting=%d. maxPS=%d.", 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) {
|
||
|
|
info("Even better ctive setting=%d. maxPS=%d.",
|
||
|
|
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);
|