+++ /dev/null
-/*
- * 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);
projects / mv-sheeva.git / blobdiff