diff options
Diffstat (limited to 'drivers/usb/media/ultracam.c')
-rw-r--r-- | drivers/usb/media/ultracam.c | 679 |
1 files changed, 0 insertions, 679 deletions
diff --git a/drivers/usb/media/ultracam.c b/drivers/usb/media/ultracam.c deleted file mode 100644 index 75ff755224d..00000000000 --- a/drivers/usb/media/ultracam.c +++ /dev/null @@ -1,679 +0,0 @@ -/* - * 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); 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