| /* |
| * USB NB Camera driver |
| * |
| * HISTORY: |
| * 25-Dec-2002 Dmitri Removed lighting, sharpness parameters, methods. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/sched.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 = 0; |
| |
| static int flags = 0; /* 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 |
| info("USB => %02x%02x%02x%02x%02x%02x%02x%02x " |
| "(req=$%02x val=$%04x ind=$%04x)", |
| 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) |
| 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); |