diff options
Diffstat (limited to 'drivers/media/video/usbvideo/konicawc.c')
| -rw-r--r-- | drivers/media/video/usbvideo/konicawc.c | 992 |
1 files changed, 0 insertions, 992 deletions
diff --git a/drivers/media/video/usbvideo/konicawc.c b/drivers/media/video/usbvideo/konicawc.c deleted file mode 100644 index 562e1d170be0..000000000000 --- a/drivers/media/video/usbvideo/konicawc.c +++ /dev/null @@ -1,992 +0,0 @@ -/* - * konicawc.c - konica webcam driver - * - * Author: Simon Evans <spse@secret.org.uk> - * - * Copyright (C) 2002 Simon Evans - * - * Licence: GPL - * - * Driver for USB webcams based on Konica chipset. This - * chipset is used in Intel YC76 camera. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/usb/input.h> -#include <linux/gfp.h> - -#include "usbvideo.h" - -#define MAX_BRIGHTNESS 108 -#define MAX_CONTRAST 108 -#define MAX_SATURATION 108 -#define MAX_SHARPNESS 108 -#define MAX_WHITEBAL 372 -#define MAX_SPEED 6 - - -#define MAX_CAMERAS 1 - -#define DRIVER_VERSION "v1.4" -#define DRIVER_DESC "Konica Webcam driver" - -enum ctrl_req { - SetWhitebal = 0x01, - SetBrightness = 0x02, - SetSharpness = 0x03, - SetContrast = 0x04, - SetSaturation = 0x05, -}; - - -enum frame_sizes { - SIZE_160X120 = 0, - SIZE_160X136 = 1, - SIZE_176X144 = 2, - SIZE_320X240 = 3, - -}; - -#define MAX_FRAME_SIZE SIZE_320X240 - -static struct usbvideo *cams; - -#ifdef CONFIG_USB_DEBUG -static int debug; -#define DEBUG(n, format, arg...) \ - if (n <= debug) { \ - printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __func__ , ## arg); \ - } -#else -#define DEBUG(n, arg...) -static const int debug; -#endif - - -/* Some default values for initial camera settings, - can be set by modprobe */ - -static int size; -static int speed = 6; /* Speed (fps) 0 (slowest) to 6 (fastest) */ -static int brightness = MAX_BRIGHTNESS/2; -static int contrast = MAX_CONTRAST/2; -static int saturation = MAX_SATURATION/2; -static int sharpness = MAX_SHARPNESS/2; -static int whitebal = 3*(MAX_WHITEBAL/4); - -static const int spd_to_iface[] = { 1, 0, 3, 2, 4, 5, 6 }; - -/* These FPS speeds are from the windows config box. They are - * indexed on size (0-2) and speed (0-6). Divide by 3 to get the - * real fps. - */ - -static const int spd_to_fps[][7] = { { 24, 40, 48, 60, 72, 80, 100 }, - { 24, 40, 48, 60, 72, 80, 100 }, - { 18, 30, 36, 45, 54, 60, 75 }, - { 6, 10, 12, 15, 18, 21, 25 } }; - -struct cam_size { - u16 width; - u16 height; - u8 cmd; -}; - -static const struct cam_size camera_sizes[] = { { 160, 120, 0x7 }, - { 160, 136, 0xa }, - { 176, 144, 0x4 }, - { 320, 240, 0x5 } }; - -struct konicawc { - u8 brightness; /* camera uses 0 - 9, x11 for real value */ - u8 contrast; /* as above */ - u8 saturation; /* as above */ - u8 sharpness; /* as above */ - u8 white_bal; /* 0 - 33, x11 for real value */ - u8 speed; /* Stored as 0 - 6, used as index in spd_to_* (above) */ - u8 size; /* Frame Size */ - int height; - int width; - struct urb *sts_urb[USBVIDEO_NUMSBUF]; - u8 sts_buf[USBVIDEO_NUMSBUF][FRAMES_PER_DESC]; - struct urb *last_data_urb; - int lastframe; - int cur_frame_size; /* number of bytes in current frame size */ - int maxline; /* number of lines per frame */ - int yplanesz; /* Number of bytes in the Y plane */ - unsigned int buttonsts:1; -#ifdef CONFIG_INPUT - struct input_dev *input; - char input_physname[64]; -#endif -}; - - -#define konicawc_set_misc(uvd, req, value, index) konicawc_ctrl_msg(uvd, USB_DIR_OUT, req, value, index, NULL, 0) -#define konicawc_get_misc(uvd, req, value, index, buf, sz) konicawc_ctrl_msg(uvd, USB_DIR_IN, req, value, index, buf, sz) -#define konicawc_set_value(uvd, value, index) konicawc_ctrl_msg(uvd, USB_DIR_OUT, 2, value, index, NULL, 0) - - -static int konicawc_ctrl_msg(struct uvd *uvd, u8 dir, u8 request, u16 value, u16 index, void *buf, int len) -{ - int retval = usb_control_msg(uvd->dev, - dir ? usb_rcvctrlpipe(uvd->dev, 0) : usb_sndctrlpipe(uvd->dev, 0), - request, 0x40 | dir, value, index, buf, len, 1000); - return retval < 0 ? retval : 0; -} - - -static inline void konicawc_camera_on(struct uvd *uvd) -{ - DEBUG(0, "camera on"); - konicawc_set_misc(uvd, 0x2, 1, 0x0b); -} - - -static inline void konicawc_camera_off(struct uvd *uvd) -{ - DEBUG(0, "camera off"); - konicawc_set_misc(uvd, 0x2, 0, 0x0b); -} - - -static void konicawc_set_camera_size(struct uvd *uvd) -{ - struct konicawc *cam = (struct konicawc *)uvd->user_data; - - konicawc_set_misc(uvd, 0x2, camera_sizes[cam->size].cmd, 0x08); - cam->width = camera_sizes[cam->size].width; - cam->height = camera_sizes[cam->size].height; - cam->yplanesz = cam->height * cam->width; - cam->cur_frame_size = (cam->yplanesz * 3) / 2; - cam->maxline = cam->yplanesz / 256; - uvd->videosize = VIDEOSIZE(cam->width, cam->height); -} - - -static int konicawc_setup_on_open(struct uvd *uvd) -{ - struct konicawc *cam = (struct konicawc *)uvd->user_data; - - DEBUG(1, "setting brightness to %d (%d)", cam->brightness, - cam->brightness * 11); - konicawc_set_value(uvd, cam->brightness, SetBrightness); - DEBUG(1, "setting white balance to %d (%d)", cam->white_bal, - cam->white_bal * 11); - konicawc_set_value(uvd, cam->white_bal, SetWhitebal); - DEBUG(1, "setting contrast to %d (%d)", cam->contrast, - cam->contrast * 11); - konicawc_set_value(uvd, cam->contrast, SetContrast); - DEBUG(1, "setting saturation to %d (%d)", cam->saturation, - cam->saturation * 11); - konicawc_set_value(uvd, cam->saturation, SetSaturation); - DEBUG(1, "setting sharpness to %d (%d)", cam->sharpness, - cam->sharpness * 11); - konicawc_set_value(uvd, cam->sharpness, SetSharpness); - konicawc_set_camera_size(uvd); - cam->lastframe = -2; - cam->buttonsts = 0; - return 0; -} - - -static void konicawc_adjust_picture(struct uvd *uvd) -{ - struct konicawc *cam = (struct konicawc *)uvd->user_data; - - konicawc_camera_off(uvd); - DEBUG(1, "new brightness: %d", uvd->vpic.brightness); - uvd->vpic.brightness = (uvd->vpic.brightness > MAX_BRIGHTNESS) ? MAX_BRIGHTNESS : uvd->vpic.brightness; - if(cam->brightness != uvd->vpic.brightness / 11) { - cam->brightness = uvd->vpic.brightness / 11; - DEBUG(1, "setting brightness to %d (%d)", cam->brightness, - cam->brightness * 11); - konicawc_set_value(uvd, cam->brightness, SetBrightness); - } - - DEBUG(1, "new contrast: %d", uvd->vpic.contrast); - uvd->vpic.contrast = (uvd->vpic.contrast > MAX_CONTRAST) ? MAX_CONTRAST : uvd->vpic.contrast; - if(cam->contrast != uvd->vpic.contrast / 11) { - cam->contrast = uvd->vpic.contrast / 11; - DEBUG(1, "setting contrast to %d (%d)", cam->contrast, - cam->contrast * 11); - konicawc_set_value(uvd, cam->contrast, SetContrast); - } - konicawc_camera_on(uvd); -} - -#ifdef CONFIG_INPUT - -static void konicawc_register_input(struct konicawc *cam, struct usb_device *dev) -{ - struct input_dev *input_dev; - int error; - - usb_make_path(dev, cam->input_physname, sizeof(cam->input_physname)); - strlcat(cam->input_physname, "/input0", sizeof(cam->input_physname)); - - cam->input = input_dev = input_allocate_device(); - if (!input_dev) { - dev_warn(&dev->dev, - "Not enough memory for camera's input device\n"); - return; - } - - input_dev->name = "Konicawc snapshot button"; - input_dev->phys = cam->input_physname; - usb_to_input_id(dev, &input_dev->id); - input_dev->dev.parent = &dev->dev; - - input_dev->evbit[0] = BIT_MASK(EV_KEY); - input_dev->keybit[BIT_WORD(KEY_CAMERA)] = BIT_MASK(KEY_CAMERA); - - error = input_register_device(cam->input); - if (error) { - dev_warn(&dev->dev, - "Failed to register camera's input device, err: %d\n", - error); - input_free_device(cam->input); - cam->input = NULL; - } -} - -static void konicawc_unregister_input(struct konicawc *cam) -{ - if (cam->input) { - input_unregister_device(cam->input); - cam->input = NULL; - } -} - -static void konicawc_report_buttonstat(struct konicawc *cam) -{ - if (cam->input) { - input_report_key(cam->input, KEY_CAMERA, cam->buttonsts); - input_sync(cam->input); - } -} - -#else - -static inline void konicawc_register_input(struct konicawc *cam, struct usb_device *dev) { } -static inline void konicawc_unregister_input(struct konicawc *cam) { } -static inline void konicawc_report_buttonstat(struct konicawc *cam) { } - -#endif /* CONFIG_INPUT */ - -static int konicawc_compress_iso(struct uvd *uvd, struct urb *dataurb, struct urb *stsurb) -{ - char *cdata; - int i, totlen = 0; - unsigned char *status = stsurb->transfer_buffer; - int keep = 0, discard = 0, bad = 0; - struct konicawc *cam = (struct konicawc *)uvd->user_data; - - for (i = 0; i < dataurb->number_of_packets; i++) { - int button = cam->buttonsts; - unsigned char sts; - int n = dataurb->iso_frame_desc[i].actual_length; - int st = dataurb->iso_frame_desc[i].status; - cdata = dataurb->transfer_buffer + - dataurb->iso_frame_desc[i].offset; - - /* Detect and ignore errored packets */ - if (st < 0) { - DEBUG(1, "Data error: packet=%d. len=%d. status=%d.", - i, n, st); - uvd->stats.iso_err_count++; - continue; - } - - /* Detect and ignore empty packets */ - if (n <= 0) { - uvd->stats.iso_skip_count++; - continue; - } - - /* See what the status data said about the packet */ - sts = *(status+stsurb->iso_frame_desc[i].offset); - - /* sts: 0x80-0xff: frame start with frame number (ie 0-7f) - * otherwise: - * bit 0 0: keep packet - * 1: drop packet (padding data) - * - * bit 4 0 button not clicked - * 1 button clicked - * button is used to `take a picture' (in software) - */ - - if(sts < 0x80) { - button = !!(sts & 0x40); - sts &= ~0x40; - } - - /* work out the button status, but don't do - anything with it for now */ - - if(button != cam->buttonsts) { - DEBUG(2, "button: %sclicked", button ? "" : "un"); - cam->buttonsts = button; - konicawc_report_buttonstat(cam); - } - - if(sts == 0x01) { /* drop frame */ - discard++; - continue; - } - - if((sts > 0x01) && (sts < 0x80)) { - dev_info(&uvd->dev->dev, "unknown status %2.2x\n", - sts); - bad++; - continue; - } - if(!sts && cam->lastframe == -2) { - DEBUG(2, "dropping frame looking for image start"); - continue; - } - - keep++; - if(sts & 0x80) { /* frame start */ - unsigned char marker[] = { 0, 0xff, 0, 0x00 }; - - if(cam->lastframe == -2) { - DEBUG(2, "found initial image"); - cam->lastframe = -1; - } - - marker[3] = sts & 0x7F; - RingQueue_Enqueue(&uvd->dp, marker, 4); - totlen += 4; - } - - totlen += n; /* Little local accounting */ - RingQueue_Enqueue(&uvd->dp, cdata, n); - } - DEBUG(8, "finished: keep = %d discard = %d bad = %d added %d bytes", - keep, discard, bad, totlen); - return totlen; -} - - -static void resubmit_urb(struct uvd *uvd, struct urb *urb) -{ - int i, ret; - for (i = 0; i < FRAMES_PER_DESC; i++) { - urb->iso_frame_desc[i].status = 0; - } - urb->dev = uvd->dev; - urb->status = 0; - ret = usb_submit_urb(urb, GFP_ATOMIC); - DEBUG(3, "submitting urb of length %d", urb->transfer_buffer_length); - if(ret) - err("usb_submit_urb error (%d)", ret); - -} - - -static void konicawc_isoc_irq(struct urb *urb) -{ - struct uvd *uvd = urb->context; - struct konicawc *cam = (struct konicawc *)uvd->user_data; - - /* We don't want to do anything if we are about to be removed! */ - if (!CAMERA_IS_OPERATIONAL(uvd)) - return; - - if (!uvd->streaming) { - DEBUG(1, "Not streaming, but interrupt!"); - return; - } - - DEBUG(3, "got frame %d len = %d buflen =%d", urb->start_frame, urb->actual_length, urb->transfer_buffer_length); - - uvd->stats.urb_count++; - - if (urb->transfer_buffer_length > 32) { - cam->last_data_urb = urb; - return; - } - /* Copy the data received into ring queue */ - if(cam->last_data_urb) { - int len = 0; - if(urb->start_frame != cam->last_data_urb->start_frame) - err("Lost sync on frames"); - else if (!urb->status && !cam->last_data_urb->status) - len = konicawc_compress_iso(uvd, cam->last_data_urb, urb); - - resubmit_urb(uvd, cam->last_data_urb); - resubmit_urb(uvd, urb); - cam->last_data_urb = NULL; - uvd->stats.urb_length = len; - uvd->stats.data_count += len; - if(len) - RingQueue_WakeUpInterruptible(&uvd->dp); - return; - } - return; -} - - -static int konicawc_start_data(struct uvd *uvd) -{ - struct usb_device *dev = uvd->dev; - int i, errFlag; - struct konicawc *cam = (struct konicawc *)uvd->user_data; - int pktsz; - struct usb_interface *intf; - struct usb_host_interface *interface = NULL; - - intf = usb_ifnum_to_if(dev, uvd->iface); - if (intf) - interface = usb_altnum_to_altsetting(intf, - spd_to_iface[cam->speed]); - if (!interface) - return -ENXIO; - pktsz = le16_to_cpu(interface->endpoint[1].desc.wMaxPacketSize); - DEBUG(1, "pktsz = %d", pktsz); - if (!CAMERA_IS_OPERATIONAL(uvd)) { - err("Camera is not operational"); - return -EFAULT; - } - uvd->curframe = -1; - konicawc_camera_on(uvd); - /* Alternate interface 1 is is the biggest frame size */ - i = usb_set_interface(dev, uvd->iface, uvd->ifaceAltActive); - if (i < 0) { - err("usb_set_interface error"); - uvd->last_error = i; - return -EBUSY; - } - - /* We double buffer the Iso lists */ - for (i=0; i < USBVIDEO_NUMSBUF; i++) { - int j, k; - struct urb *urb = uvd->sbuf[i].urb; - urb->dev = dev; - urb->context = uvd; - urb->pipe = usb_rcvisocpipe(dev, uvd->video_endp); - urb->interval = 1; - urb->transfer_flags = URB_ISO_ASAP; - urb->transfer_buffer = uvd->sbuf[i].data; - urb->complete = konicawc_isoc_irq; - urb->number_of_packets = FRAMES_PER_DESC; - urb->transfer_buffer_length = pktsz * FRAMES_PER_DESC; - for (j=k=0; j < FRAMES_PER_DESC; j++, k += pktsz) { - urb->iso_frame_desc[j].offset = k; - urb->iso_frame_desc[j].length = pktsz; - } - - urb = cam->sts_urb[i]; - urb->dev = dev; - urb->context = uvd; - urb->pipe = usb_rcvisocpipe(dev, uvd->video_endp-1); - urb->interval = 1; - urb->transfer_flags = URB_ISO_ASAP; - urb->transfer_buffer = cam->sts_buf[i]; - urb->complete = konicawc_isoc_irq; - urb->number_of_packets = FRAMES_PER_DESC; - urb->transfer_buffer_length = FRAMES_PER_DESC; - for (j=0; j < FRAMES_PER_DESC; j++) { - urb->iso_frame_desc[j].offset = j; - urb->iso_frame_desc[j].length = 1; - } - } - - cam->last_data_urb = NULL; - - /* Submit all URBs */ - for (i=0; i < USBVIDEO_NUMSBUF; i++) { - errFlag = usb_submit_urb(cam->sts_urb[i], GFP_KERNEL); - if (errFlag) - err("usb_submit_isoc(%d) ret %d", i, errFlag); - - errFlag = usb_submit_urb(uvd->sbuf[i].urb, GFP_KERNEL); - if (errFlag) - err ("usb_submit_isoc(%d) ret %d", i, errFlag); - } - - uvd->streaming = 1; - DEBUG(1, "streaming=1 video_endp=$%02x", uvd->video_endp); - return 0; -} - - -static void konicawc_stop_data(struct uvd *uvd) -{ - int i, j; - struct konicawc *cam; - - if ((uvd == NULL) || (!uvd->streaming) || (uvd->dev == NULL)) - return; - - konicawc_camera_off(uvd); - uvd->streaming = 0; - cam = (struct konicawc *)uvd->user_data; - cam->last_data_urb = NULL; - - /* Unschedule all of the iso td's */ - for (i=0; i < USBVIDEO_NUMSBUF; i++) { - usb_kill_urb(uvd->sbuf[i].urb); - usb_kill_urb(cam->sts_urb[i]); - } - - if (!uvd->remove_pending) { - /* Set packet size to 0 */ - j = usb_set_interface(uvd->dev, uvd->iface, uvd->ifaceAltInactive); - if (j < 0) { - err("usb_set_interface() error %d.", j); - uvd->last_error = j; - } - } -} - - -static void konicawc_process_isoc(struct uvd *uvd, struct usbvideo_frame *frame) -{ - struct konicawc *cam = (struct konicawc *)uvd->user_data; - int maxline = cam->maxline; - int yplanesz = cam->yplanesz; - - assert(frame != NULL); - - DEBUG(5, "maxline = %d yplanesz = %d", maxline, yplanesz); - DEBUG(3, "Frame state = %d", frame->scanstate); - - if(frame->scanstate == ScanState_Scanning) { - int drop = 0; - int curframe; - int fdrops = 0; - DEBUG(3, "Searching for marker, queue len = %d", RingQueue_GetLength(&uvd->dp)); - while(RingQueue_GetLength(&uvd->dp) >= 4) { - if ((RING_QUEUE_PEEK(&uvd->dp, 0) == 0x00) && - (RING_QUEUE_PEEK(&uvd->dp, 1) == 0xff) && - (RING_QUEUE_PEEK(&uvd->dp, 2) == 0x00) && - (RING_QUEUE_PEEK(&uvd->dp, 3) < 0x80)) { - curframe = RING_QUEUE_PEEK(&uvd->dp, 3); - if(cam->lastframe >= 0) { - fdrops = (0x80 + curframe - cam->lastframe) & 0x7F; - fdrops--; - if(fdrops) { - dev_info(&uvd->dev->dev, - "Dropped %d frames " - "(%d -> %d)\n", - fdrops, - cam->lastframe, - curframe); - } - } - cam->lastframe = curframe; - frame->curline = 0; - frame->scanstate = ScanState_Lines; - RING_QUEUE_DEQUEUE_BYTES(&uvd->dp, 4); - break; - } - RING_QUEUE_DEQUEUE_BYTES(&uvd->dp, 1); - drop++; - } - if(drop) - DEBUG(2, "dropped %d bytes looking for new frame", drop); - } - - if(frame->scanstate == ScanState_Scanning) - return; - - /* Try to move data from queue into frame buffer - * We get data in blocks of 384 bytes made up of: - * 256 Y, 64 U, 64 V. - * This needs to be written out as a Y plane, a U plane and a V plane. - */ - - while ( frame->curline < maxline && (RingQueue_GetLength(&uvd->dp) >= 384)) { - /* Y */ - RingQueue_Dequeue(&uvd->dp, frame->data + (frame->curline * 256), 256); - /* U */ - RingQueue_Dequeue(&uvd->dp, frame->data + yplanesz + (frame->curline * 64), 64); - /* V */ - RingQueue_Dequeue(&uvd->dp, frame->data + (5 * yplanesz)/4 + (frame->curline * 64), 64); - frame->seqRead_Length += 384; - frame->curline++; - } - /* See if we filled the frame */ - if (frame->curline == maxline) { - DEBUG(5, "got whole frame"); - - frame->frameState = FrameState_Done_Hold; - frame->curline = 0; - uvd->curframe = -1; - uvd->stats.frame_num++; - } -} - - -static int konicawc_find_fps(int size, int fps) -{ - int i; - - fps *= 3; - DEBUG(1, "konica_find_fps: size = %d fps = %d", size, fps); - if(fps <= spd_to_fps[size][0]) - return 0; - - if(fps >= spd_to_fps[size][MAX_SPEED]) - return MAX_SPEED; - - for(i = 0; i < MAX_SPEED; i++) { - if((fps >= spd_to_fps[size][i]) && (fps <= spd_to_fps[size][i+1])) { - DEBUG(2, "fps %d between %d and %d", fps, i, i+1); - if( (fps - spd_to_fps[size][i]) < (spd_to_fps[size][i+1] - fps)) - return i; - else - return i+1; - } - } - return MAX_SPEED+1; -} - - -static int konicawc_set_video_mode(struct uvd *uvd, struct video_window *vw) -{ - struct konicawc *cam = (struct konicawc *)uvd->user_data; - int newspeed = cam->speed; - int newsize; - int x = vw->width; - int y = vw->height; - int fps = vw->flags; - - if(x > 0 && y > 0) { - DEBUG(2, "trying to find size %d,%d", x, y); - for(newsize = 0; newsize <= MAX_FRAME_SIZE; newsize++) { - if((camera_sizes[newsize].width == x) && (camera_sizes[newsize].height == y)) - break; - } - } else { - newsize = cam->size; - } - - if(newsize > MAX_FRAME_SIZE) { - DEBUG(1, "couldn't find size %d,%d", x, y); - return -EINVAL; - } - - if(fps > 0) { - DEBUG(1, "trying to set fps to %d", fps); - newspeed = konicawc_find_fps(newsize, fps); - DEBUG(1, "find_fps returned %d (%d)", newspeed, spd_to_fps[newsize][newspeed]); - } - - if(newspeed > MAX_SPEED) - return -EINVAL; - - DEBUG(1, "setting size to %d speed to %d", newsize, newspeed); - if((newsize == cam->size) && (newspeed == cam->speed)) { - DEBUG(1, "Nothing to do"); - return 0; - } - DEBUG(0, "setting to %dx%d @ %d fps", camera_sizes[newsize].width, - camera_sizes[newsize].height, spd_to_fps[newsize][newspeed]/3); - - konicawc_stop_data(uvd); - uvd->ifaceAltActive = spd_to_iface[newspeed]; - DEBUG(1, "new interface = %d", uvd->ifaceAltActive); - cam->speed = newspeed; - - if(cam->size != newsize) { - cam->size = newsize; - konicawc_set_camera_size(uvd); - } - - /* Flush the input queue and clear any current frame in progress */ - - RingQueue_Flush(&uvd->dp); - cam->lastframe = -2; - if(uvd->curframe != -1) { - uvd->frame[uvd->curframe].curline = 0; - uvd->frame[uvd->curframe].seqRead_Length = 0; - uvd->frame[uvd->curframe].seqRead_Index = 0; - } - - konicawc_start_data(uvd); - return 0; -} - - -static int konicawc_calculate_fps(struct uvd *uvd) -{ - struct konicawc *cam = uvd->user_data; - return spd_to_fps[cam->size][cam->speed]/3; -} - - -static void konicawc_configure_video(struct uvd *uvd) -{ - struct konicawc *cam = (struct konicawc *)uvd->user_data; - u8 buf[2]; - - memset(&uvd->vpic, 0, sizeof(uvd->vpic)); - memset(&uvd->vpic_old, 0x55, sizeof(uvd->vpic_old)); - - RESTRICT_TO_RANGE(brightness, 0, MAX_BRIGHTNESS); - RESTRICT_TO_RANGE(contrast, 0, MAX_CONTRAST); - RESTRICT_TO_RANGE(saturation, 0, MAX_SATURATION); - RESTRICT_TO_RANGE(sharpness, 0, MAX_SHARPNESS); - RESTRICT_TO_RANGE(whitebal, 0, MAX_WHITEBAL); - - cam->brightness = brightness / 11; - cam->contrast = contrast / 11; - cam->saturation = saturation / 11; - cam->sharpness = sharpness / 11; - cam->white_bal = whitebal / 11; - - uvd->vpic.colour = 108; - uvd->vpic.hue = 108; - uvd->vpic.brightness = brightness; - uvd->vpic.contrast = contrast; - uvd->vpic.whiteness = whitebal; - uvd->vpic.depth = 6; - uvd->vpic.palette = VIDEO_PALETTE_YUV420P; - - memset(&uvd->vcap, 0, sizeof(uvd->vcap)); - strcpy(uvd->vcap.name, "Konica Webcam"); - uvd->vcap.type = VID_TYPE_CAPTURE; - uvd->vcap.channels = 1; - uvd->vcap.audios = 0; - uvd->vcap.minwidth = camera_sizes[SIZE_160X120].width; - uvd->vcap.minheight = camera_sizes[SIZE_160X120].height; - uvd->vcap.maxwidth = camera_sizes[SIZE_320X240].width; - uvd->vcap.maxheight = camera_sizes[SIZE_320X240].height; - - 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"); - - /* Talk to device */ - DEBUG(1, "device init"); - if(!konicawc_get_misc(uvd, 0x3, 0, 0x10, buf, 2)) - DEBUG(2, "3,10 -> %2.2x %2.2x", buf[0], buf[1]); - if(!konicawc_get_misc(uvd, 0x3, 0, 0x10, buf, 2)) - DEBUG(2, "3,10 -> %2.2x %2.2x", buf[0], buf[1]); - if(konicawc_set_misc(uvd, 0x2, 0, 0xd)) - DEBUG(2, "2,0,d failed"); - DEBUG(1, "setting initial values"); -} - -static int konicawc_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; - - DEBUG(1, "konicawc_probe(%p)", intf); - - /* We don't handle multi-config cameras */ - if (dev->descriptor.bNumConfigurations != 1) - return -ENODEV; - - dev_info(&intf->dev, "Konica Webcam (rev. 0x%04x)\n", - le16_to_cpu(dev->descriptor.bcdDevice)); - RESTRICT_TO_RANGE(speed, 0, MAX_SPEED); - - /* Validate found interface: must have one ISO endpoint */ - nas = intf->num_altsetting; - if (nas != 8) { - err("Incorrect number of alternate settings (%d) for this camera!", nas); - 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 != 2) { - err("Interface %d. has %u. endpoints!", - interface->desc.bInterfaceNumber, - (unsigned)(interface->desc.bNumEndpoints)); - return -ENODEV; - } - endpoint = &interface->endpoint[1].desc; - DEBUG(1, "found endpoint: addr: 0x%2.2x maxps = 0x%4.4x", - endpoint->bEndpointAddress, le16_to_cpu(endpoint->wMaxPacketSize)); - 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 (i == spd_to_iface[speed]) { - /* This one is the requested one */ - actInterface = i; - } - } - if (le16_to_cpu(endpoint->wMaxPacketSize) > maxPS) - maxPS = le16_to_cpu(endpoint->wMaxPacketSize); - } - if(actInterface == -1) { - err("Cant find required endpoint"); - return -ENODEV; - } - - DEBUG(1, "Selecting requested active setting=%d. maxPS=%d.", actInterface, maxPS); - - uvd = usbvideo_AllocateDevice(cams); - if (uvd != NULL) { - struct konicawc *cam = (struct konicawc *)(uvd->user_data); - /* Here uvd is a fully allocated uvd object */ - for(i = 0; i < USBVIDEO_NUMSBUF; i++) { - cam->sts_urb[i] = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL); - if(cam->sts_urb[i] == NULL) { - while(i--) { - usb_free_urb(cam->sts_urb[i]); - } - err("can't allocate urbs"); - return -ENOMEM; - } - } - cam->speed = speed; - RESTRICT_TO_RANGE(size, SIZE_160X120, SIZE_320X240); - cam->width = camera_sizes[size].width; - cam->height = camera_sizes[size].height; - cam->size = size; - - uvd->flags = 0; - 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_YUV420P; - uvd->defaultPalette = VIDEO_PALETTE_YUV420P; - uvd->canvas = VIDEOSIZE(320, 240); - uvd->videosize = VIDEOSIZE(cam->width, cam->height); - - /* Initialize konicawc specific data */ - konicawc_configure_video(uvd); - - i = usbvideo_RegisterVideoDevice(uvd); - uvd->max_frame_size = (320 * 240 * 3)/2; - if (i != 0) { - err("usbvideo_RegisterVideoDevice() failed."); - uvd = NULL; - } - - konicawc_register_input(cam, dev); - } - - if (uvd) { - usb_set_intfdata (intf, uvd); - return 0; - } - return -EIO; -} - - -static void konicawc_free_uvd(struct uvd *uvd) -{ - int i; - struct konicawc *cam = (struct konicawc *)uvd->user_data; - - konicawc_unregister_input(cam); - - for (i = 0; i < USBVIDEO_NUMSBUF; i++) { - usb_free_urb(cam->sts_urb[i]); - cam->sts_urb[i] = NULL; - } -} - - -static struct usb_device_id id_table[] = { - { USB_DEVICE(0x04c8, 0x0720) }, /* Intel YC 76 */ - { } /* Terminating entry */ -}; - - -static int __init konicawc_init(void) -{ - struct usbvideo_cb cbTbl; - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - memset(&cbTbl, 0, sizeof(cbTbl)); - cbTbl.probe = konicawc_probe; - cbTbl.setupOnOpen = konicawc_setup_on_open; - cbTbl.processData = konicawc_process_isoc; - cbTbl.getFPS = konicawc_calculate_fps; - cbTbl.setVideoMode = konicawc_set_video_mode; - cbTbl.startDataPump = konicawc_start_data; - cbTbl.stopDataPump = konicawc_stop_data; - cbTbl.adjustPicture = konicawc_adjust_picture; - cbTbl.userFree = konicawc_free_uvd; - return usbvideo_register( - &cams, - MAX_CAMERAS, - sizeof(struct konicawc), - "konicawc", - &cbTbl, - THIS_MODULE, - id_table); -} - - -static void __exit konicawc_cleanup(void) -{ - usbvideo_Deregister(&cams); -} - - -MODULE_DEVICE_TABLE(usb, id_table); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Simon Evans <spse@secret.org.uk>"); -MODULE_DESCRIPTION(DRIVER_DESC); -module_param(speed, int, 0); -MODULE_PARM_DESC(speed, "Initial speed: 0 (slowest) - 6 (fastest)"); -module_param(size, int, 0); -MODULE_PARM_DESC(size, "Initial Size 0: 160x120 1: 160x136 2: 176x144 3: 320x240"); -module_param(brightness, int, 0); -MODULE_PARM_DESC(brightness, "Initial brightness 0 - 108"); -module_param(contrast, int, 0); -MODULE_PARM_DESC(contrast, "Initial contrast 0 - 108"); -module_param(saturation, int, 0); -MODULE_PARM_DESC(saturation, "Initial saturation 0 - 108"); -module_param(sharpness, int, 0); -MODULE_PARM_DESC(sharpness, "Initial brightness 0 - 108"); -module_param(whitebal, int, 0); -MODULE_PARM_DESC(whitebal, "Initial white balance 0 - 363"); - -#ifdef CONFIG_USB_DEBUG -module_param(debug, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Debug level: 0-9 (default=0)"); -#endif - -module_init(konicawc_init); -module_exit(konicawc_cleanup); |
