Lines Matching refs:cam
143 struct zr364xx_camera *cam; member
151 void *cam; /* back pointer to zr364xx_camera struct */ member
363 struct zr364xx_camera *cam = vq->priv_data; in buffer_setup() local
365 *size = cam->width * cam->height * (cam->fmt->depth >> 3); in buffer_setup()
389 struct zr364xx_camera *cam = vq->priv_data; in buffer_prepare() local
394 DBG("%s, field=%d, fmt name = %s\n", __func__, field, cam->fmt != NULL ? in buffer_prepare()
395 cam->fmt->name : ""); in buffer_prepare()
396 if (cam->fmt == NULL) in buffer_prepare()
399 buf->vb.size = cam->width * cam->height * (cam->fmt->depth >> 3); in buffer_prepare()
406 buf->fmt = cam->fmt; in buffer_prepare()
407 buf->vb.width = cam->width; in buffer_prepare()
408 buf->vb.height = cam->height; in buffer_prepare()
428 struct zr364xx_camera *cam = vq->priv_data; in buffer_queue() local
433 list_add_tail(&buf->vb.queue, &cam->vidq.active); in buffer_queue()
462 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_read() local
473 if (mutex_lock_interruptible(&cam->lock)) in zr364xx_read()
483 err = videobuf_read_one(&cam->vb_vidq, buf, count, ppos, in zr364xx_read()
486 mutex_unlock(&cam->lock); in zr364xx_read()
498 static void zr364xx_fillbuff(struct zr364xx_camera *cam, in zr364xx_fillbuff() argument
510 last_frame = cam->last_frame; in zr364xx_fillbuff()
512 tmpbuf = (const char *)cam->buffer.frame[last_frame].lpvbits; in zr364xx_fillbuff()
521 cam->last_frame = -1; in zr364xx_fillbuff()
530 buf->vb.field_count = cam->frame_count * 2; in zr364xx_fillbuff()
535 static int zr364xx_got_frame(struct zr364xx_camera *cam, int jpgsize) in zr364xx_got_frame() argument
537 struct zr364xx_dmaqueue *dma_q = &cam->vidq; in zr364xx_got_frame()
543 spin_lock_irqsave(&cam->slock, flags); in zr364xx_got_frame()
561 zr364xx_fillbuff(cam, buf, jpgsize); in zr364xx_got_frame()
565 spin_unlock_irqrestore(&cam->slock, flags); in zr364xx_got_frame()
574 static int zr364xx_read_video_callback(struct zr364xx_camera *cam, in zr364xx_read_video_callback() argument
586 idx = cam->cur_frame; in zr364xx_read_video_callback()
587 frm = &cam->buffer.frame[idx]; in zr364xx_read_video_callback()
590 if (cam->method == METHOD0) { in zr364xx_read_video_callback()
597 if (!cam->b_acquire) { in zr364xx_read_video_callback()
635 dev_info(&cam->udev->dev, in zr364xx_read_video_callback()
650 cam->last_frame = cam->cur_frame; in zr364xx_read_video_callback()
651 cam->cur_frame++; in zr364xx_read_video_callback()
653 if (cam->cur_frame == cam->buffer.dwFrames) in zr364xx_read_video_callback()
654 cam->cur_frame = 0; in zr364xx_read_video_callback()
678 DBG("Bogus frame ? %d\n", ++(cam->nb)); in zr364xx_read_video_callback()
679 } else if (cam->b_acquire) { in zr364xx_read_video_callback()
681 if (cam->skip) in zr364xx_read_video_callback()
682 cam->skip--; in zr364xx_read_video_callback()
689 zr364xx_got_frame(cam, frm->cur_size); in zr364xx_read_video_callback()
692 cam->frame_count++; in zr364xx_read_video_callback()
703 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_querycap() local
706 strlcpy(cap->card, cam->udev->product, sizeof(cap->card)); in zr364xx_vidioc_querycap()
707 strlcpy(cap->bus_info, dev_name(&cam->udev->dev), in zr364xx_vidioc_querycap()
744 struct zr364xx_camera *cam = in zr364xx_s_ctrl() local
751 send_control_msg(cam->udev, 1, 0x2001, 0, NULL, 0); in zr364xx_s_ctrl()
753 send_control_msg(cam->udev, 1, temp, 0, NULL, 0); in zr364xx_s_ctrl()
786 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_try_fmt_vid_cap() local
789 if (cam == NULL) in zr364xx_vidioc_try_fmt_vid_cap()
817 struct zr364xx_camera *cam; in zr364xx_vidioc_g_fmt_vid_cap() local
821 cam = video_drvdata(file); in zr364xx_vidioc_g_fmt_vid_cap()
825 f->fmt.pix.width = cam->width; in zr364xx_vidioc_g_fmt_vid_cap()
826 f->fmt.pix.height = cam->height; in zr364xx_vidioc_g_fmt_vid_cap()
836 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_s_fmt_vid_cap() local
837 struct videobuf_queue *q = &cam->vb_vidq; in zr364xx_vidioc_s_fmt_vid_cap()
839 int ret = zr364xx_vidioc_try_fmt_vid_cap(file, cam, f); in zr364xx_vidioc_s_fmt_vid_cap()
847 if (videobuf_queue_is_busy(&cam->vb_vidq)) { in zr364xx_vidioc_s_fmt_vid_cap()
853 if (cam->owner) { in zr364xx_vidioc_s_fmt_vid_cap()
859 cam->width = f->fmt.pix.width; in zr364xx_vidioc_s_fmt_vid_cap()
860 cam->height = f->fmt.pix.height; in zr364xx_vidioc_s_fmt_vid_cap()
862 cam->width, cam->height); in zr364xx_vidioc_s_fmt_vid_cap()
866 cam->vb_vidq.field = f->fmt.pix.field; in zr364xx_vidioc_s_fmt_vid_cap()
880 if (cam->method == METHOD3) { in zr364xx_vidioc_s_fmt_vid_cap()
894 header2[437] = cam->height / 256; in zr364xx_vidioc_s_fmt_vid_cap()
895 header2[438] = cam->height % 256; in zr364xx_vidioc_s_fmt_vid_cap()
896 header2[439] = cam->width / 256; in zr364xx_vidioc_s_fmt_vid_cap()
897 header2[440] = cam->width % 256; in zr364xx_vidioc_s_fmt_vid_cap()
899 for (i = 0; init[cam->method][i].size != -1; i++) { in zr364xx_vidioc_s_fmt_vid_cap()
901 send_control_msg(cam->udev, 1, init[cam->method][i].value, in zr364xx_vidioc_s_fmt_vid_cap()
902 0, init[cam->method][i].bytes, in zr364xx_vidioc_s_fmt_vid_cap()
903 init[cam->method][i].size); in zr364xx_vidioc_s_fmt_vid_cap()
905 dev_err(&cam->udev->dev, in zr364xx_vidioc_s_fmt_vid_cap()
915 cam->skip = 2; in zr364xx_vidioc_s_fmt_vid_cap()
930 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_reqbufs() local
932 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_reqbufs()
934 return videobuf_reqbufs(&cam->vb_vidq, p); in zr364xx_vidioc_reqbufs()
942 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_querybuf() local
943 rc = videobuf_querybuf(&cam->vb_vidq, p); in zr364xx_vidioc_querybuf()
952 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_qbuf() local
954 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_qbuf()
956 rc = videobuf_qbuf(&cam->vb_vidq, p); in zr364xx_vidioc_qbuf()
965 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_dqbuf() local
967 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_dqbuf()
969 rc = videobuf_dqbuf(&cam->vb_vidq, p, file->f_flags & O_NONBLOCK); in zr364xx_vidioc_dqbuf()
976 struct zr364xx_camera *cam; in read_pipe_completion() local
986 cam = pipe_info->cam; in read_pipe_completion()
987 if (cam == NULL) { in read_pipe_completion()
1005 dev_err(&cam->udev->dev, "wrong number of bytes\n"); in read_pipe_completion()
1010 zr364xx_read_video_callback(cam, pipe_info, purb); in read_pipe_completion()
1016 pipe = usb_rcvbulkpipe(cam->udev, cam->read_endpoint); in read_pipe_completion()
1019 usb_fill_bulk_urb(pipe_info->stream_urb, cam->udev, in read_pipe_completion()
1030 dev_err(&cam->udev->dev, in read_pipe_completion()
1037 static int zr364xx_start_readpipe(struct zr364xx_camera *cam) in zr364xx_start_readpipe() argument
1041 struct zr364xx_pipeinfo *pipe_info = cam->pipe; in zr364xx_start_readpipe()
1042 pipe = usb_rcvbulkpipe(cam->udev, cam->read_endpoint); in zr364xx_start_readpipe()
1043 DBG("%s: start pipe IN x%x\n", __func__, cam->read_endpoint); in zr364xx_start_readpipe()
1049 dev_err(&cam->udev->dev, "ReadStream: Unable to alloc URB\n"); in zr364xx_start_readpipe()
1053 usb_fill_bulk_urb(pipe_info->stream_urb, cam->udev, in zr364xx_start_readpipe()
1069 static void zr364xx_stop_readpipe(struct zr364xx_camera *cam) in zr364xx_stop_readpipe() argument
1073 if (cam == NULL) { in zr364xx_stop_readpipe()
1078 pipe_info = cam->pipe; in zr364xx_stop_readpipe()
1094 static int zr364xx_start_acquire(struct zr364xx_camera *cam) in zr364xx_start_acquire() argument
1100 cam->last_frame = -1; in zr364xx_start_acquire()
1101 cam->cur_frame = 0; in zr364xx_start_acquire()
1103 cam->buffer.frame[j].ulState = ZR364XX_READ_IDLE; in zr364xx_start_acquire()
1104 cam->buffer.frame[j].cur_size = 0; in zr364xx_start_acquire()
1106 cam->b_acquire = 1; in zr364xx_start_acquire()
1110 static inline int zr364xx_stop_acquire(struct zr364xx_camera *cam) in zr364xx_stop_acquire() argument
1112 cam->b_acquire = 0; in zr364xx_stop_acquire()
1116 static int zr364xx_prepare(struct zr364xx_camera *cam) in zr364xx_prepare() argument
1121 for (i = 0; init[cam->method][i].size != -1; i++) { in zr364xx_prepare()
1122 res = send_control_msg(cam->udev, 1, init[cam->method][i].value, in zr364xx_prepare()
1123 0, init[cam->method][i].bytes, in zr364xx_prepare()
1124 init[cam->method][i].size); in zr364xx_prepare()
1126 dev_err(&cam->udev->dev, in zr364xx_prepare()
1132 cam->skip = 2; in zr364xx_prepare()
1133 cam->last_frame = -1; in zr364xx_prepare()
1134 cam->cur_frame = 0; in zr364xx_prepare()
1135 cam->frame_count = 0; in zr364xx_prepare()
1137 cam->buffer.frame[j].ulState = ZR364XX_READ_IDLE; in zr364xx_prepare()
1138 cam->buffer.frame[j].cur_size = 0; in zr364xx_prepare()
1140 v4l2_ctrl_handler_setup(&cam->ctrl_handler); in zr364xx_prepare()
1147 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_streamon() local
1155 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_streamon()
1158 res = zr364xx_prepare(cam); in zr364xx_vidioc_streamon()
1161 res = videobuf_streamon(&cam->vb_vidq); in zr364xx_vidioc_streamon()
1163 zr364xx_start_acquire(cam); in zr364xx_vidioc_streamon()
1164 cam->owner = file->private_data; in zr364xx_vidioc_streamon()
1172 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_streamoff() local
1177 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_streamoff()
1179 zr364xx_stop_acquire(cam); in zr364xx_vidioc_streamoff()
1180 return videobuf_streamoff(&cam->vb_vidq); in zr364xx_vidioc_streamoff()
1187 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_open() local
1192 if (mutex_lock_interruptible(&cam->lock)) in zr364xx_open()
1206 mutex_unlock(&cam->lock); in zr364xx_open()
1213 struct zr364xx_camera *cam = in zr364xx_release() local
1217 v4l2_device_unregister(&cam->v4l2_dev); in zr364xx_release()
1219 videobuf_mmap_free(&cam->vb_vidq); in zr364xx_release()
1223 if (cam->buffer.frame[i].lpvbits) { in zr364xx_release()
1224 DBG("vfree %p\n", cam->buffer.frame[i].lpvbits); in zr364xx_release()
1225 vfree(cam->buffer.frame[i].lpvbits); in zr364xx_release()
1227 cam->buffer.frame[i].lpvbits = NULL; in zr364xx_release()
1230 v4l2_ctrl_handler_free(&cam->ctrl_handler); in zr364xx_release()
1232 kfree(cam->pipe->transfer_buffer); in zr364xx_release()
1233 kfree(cam); in zr364xx_release()
1239 struct zr364xx_camera *cam; in zr364xx_close() local
1244 cam = video_drvdata(file); in zr364xx_close()
1246 mutex_lock(&cam->lock); in zr364xx_close()
1247 udev = cam->udev; in zr364xx_close()
1249 if (file->private_data == cam->owner) { in zr364xx_close()
1251 if (cam->b_acquire) in zr364xx_close()
1252 zr364xx_stop_acquire(cam); in zr364xx_close()
1253 videobuf_streamoff(&cam->vb_vidq); in zr364xx_close()
1256 send_control_msg(udev, 1, init[cam->method][i].value, in zr364xx_close()
1257 0, init[cam->method][i].bytes, in zr364xx_close()
1258 init[cam->method][i].size); in zr364xx_close()
1260 cam->owner = NULL; in zr364xx_close()
1267 mutex_unlock(&cam->lock); in zr364xx_close()
1274 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_mmap() local
1277 if (cam == NULL) { in zr364xx_mmap()
1283 ret = videobuf_mmap_mapper(&cam->vb_vidq, vma); in zr364xx_mmap()
1294 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_poll() local
1295 struct videobuf_queue *q = &cam->vb_vidq; in zr364xx_poll()
1349 static int zr364xx_board_init(struct zr364xx_camera *cam) in zr364xx_board_init() argument
1351 struct zr364xx_pipeinfo *pipe = cam->pipe; in zr364xx_board_init()
1354 DBG("board init: %p\n", cam); in zr364xx_board_init()
1356 pipe->cam = cam; in zr364xx_board_init()
1366 cam->b_acquire = 0; in zr364xx_board_init()
1367 cam->frame_count = 0; in zr364xx_board_init()
1372 cam->buffer.frame[i].lpvbits = vmalloc(MAX_FRAME_SIZE); in zr364xx_board_init()
1375 &cam->buffer.frame[i], i, in zr364xx_board_init()
1376 cam->buffer.frame[i].lpvbits); in zr364xx_board_init()
1377 if (cam->buffer.frame[i].lpvbits == NULL) { in zr364xx_board_init()
1386 kfree(cam->pipe->transfer_buffer); in zr364xx_board_init()
1387 cam->pipe->transfer_buffer = NULL; in zr364xx_board_init()
1390 cam->buffer.dwFrames = i; in zr364xx_board_init()
1394 cam->buffer.frame[i].ulState = ZR364XX_READ_IDLE; in zr364xx_board_init()
1395 cam->buffer.frame[i].cur_size = 0; in zr364xx_board_init()
1398 cam->cur_frame = 0; in zr364xx_board_init()
1399 cam->last_frame = -1; in zr364xx_board_init()
1403 zr364xx_start_readpipe(cam); in zr364xx_board_init()
1412 struct zr364xx_camera *cam = NULL; in zr364xx_probe() local
1426 cam = kzalloc(sizeof(struct zr364xx_camera), GFP_KERNEL); in zr364xx_probe()
1427 if (cam == NULL) { in zr364xx_probe()
1432 cam->v4l2_dev.release = zr364xx_release; in zr364xx_probe()
1433 err = v4l2_device_register(&intf->dev, &cam->v4l2_dev); in zr364xx_probe()
1436 kfree(cam); in zr364xx_probe()
1439 hdl = &cam->ctrl_handler; in zr364xx_probe()
1449 cam->method = id->driver_info; in zr364xx_probe()
1450 mutex_init(&cam->lock); in zr364xx_probe()
1451 cam->vdev = zr364xx_template; in zr364xx_probe()
1452 cam->vdev.lock = &cam->lock; in zr364xx_probe()
1453 cam->vdev.v4l2_dev = &cam->v4l2_dev; in zr364xx_probe()
1454 cam->vdev.ctrl_handler = &cam->ctrl_handler; in zr364xx_probe()
1455 video_set_drvdata(&cam->vdev, cam); in zr364xx_probe()
1457 cam->udev = udev; in zr364xx_probe()
1462 cam->width = 160; in zr364xx_probe()
1463 cam->height = 120; in zr364xx_probe()
1467 cam->width = 640; in zr364xx_probe()
1468 cam->height = 480; in zr364xx_probe()
1472 cam->width = 320; in zr364xx_probe()
1473 cam->height = 240; in zr364xx_probe()
1482 if (cam->method == METHOD3) { in zr364xx_probe()
1496 header2[437] = cam->height / 256; in zr364xx_probe()
1497 header2[438] = cam->height % 256; in zr364xx_probe()
1498 header2[439] = cam->width / 256; in zr364xx_probe()
1499 header2[440] = cam->width % 256; in zr364xx_probe()
1501 cam->nb = 0; in zr364xx_probe()
1503 DBG("dev: %p, udev %p interface %p\n", cam, cam->udev, intf); in zr364xx_probe()
1510 if (!cam->read_endpoint && usb_endpoint_is_bulk_in(endpoint)) { in zr364xx_probe()
1512 cam->read_endpoint = endpoint->bEndpointAddress; in zr364xx_probe()
1516 if (!cam->read_endpoint) { in zr364xx_probe()
1523 INIT_LIST_HEAD(&cam->vidq.active); in zr364xx_probe()
1524 cam->vidq.cam = cam; in zr364xx_probe()
1526 usb_set_intfdata(intf, cam); in zr364xx_probe()
1529 err = zr364xx_board_init(cam); in zr364xx_probe()
1535 spin_lock_init(&cam->slock); in zr364xx_probe()
1537 cam->fmt = formats; in zr364xx_probe()
1539 videobuf_queue_vmalloc_init(&cam->vb_vidq, &zr364xx_video_qops, in zr364xx_probe()
1540 NULL, &cam->slock, in zr364xx_probe()
1543 sizeof(struct zr364xx_buffer), cam, &cam->lock); in zr364xx_probe()
1545 err = video_register_device(&cam->vdev, VFL_TYPE_GRABBER, -1); in zr364xx_probe()
1552 video_device_node_name(&cam->vdev)); in zr364xx_probe()
1557 v4l2_device_unregister(&cam->v4l2_dev); in zr364xx_probe()
1558 kfree(cam); in zr364xx_probe()
1565 struct zr364xx_camera *cam = usb_get_intfdata(intf); in zr364xx_disconnect() local
1567 mutex_lock(&cam->lock); in zr364xx_disconnect()
1570 video_unregister_device(&cam->vdev); in zr364xx_disconnect()
1571 v4l2_device_disconnect(&cam->v4l2_dev); in zr364xx_disconnect()
1574 if (cam->b_acquire) in zr364xx_disconnect()
1575 zr364xx_stop_acquire(cam); in zr364xx_disconnect()
1577 zr364xx_stop_readpipe(cam); in zr364xx_disconnect()
1578 mutex_unlock(&cam->lock); in zr364xx_disconnect()
1579 v4l2_device_put(&cam->v4l2_dev); in zr364xx_disconnect()
1586 struct zr364xx_camera *cam = usb_get_intfdata(intf); in zr364xx_suspend() local
1588 cam->was_streaming = cam->b_acquire; in zr364xx_suspend()
1589 if (!cam->was_streaming) in zr364xx_suspend()
1591 zr364xx_stop_acquire(cam); in zr364xx_suspend()
1592 zr364xx_stop_readpipe(cam); in zr364xx_suspend()
1598 struct zr364xx_camera *cam = usb_get_intfdata(intf); in zr364xx_resume() local
1601 if (!cam->was_streaming) in zr364xx_resume()
1604 zr364xx_start_readpipe(cam); in zr364xx_resume()
1605 res = zr364xx_prepare(cam); in zr364xx_resume()
1607 zr364xx_start_acquire(cam); in zr364xx_resume()