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()
390 struct zr364xx_camera *cam = vq->priv_data; in buffer_prepare() local
395 DBG("%s, field=%d, fmt name = %s\n", __func__, field, cam->fmt != NULL ? in buffer_prepare()
396 cam->fmt->name : ""); in buffer_prepare()
397 if (cam->fmt == NULL) in buffer_prepare()
400 buf->vb.size = cam->width * cam->height * (cam->fmt->depth >> 3); in buffer_prepare()
407 buf->fmt = cam->fmt; in buffer_prepare()
408 buf->vb.width = cam->width; in buffer_prepare()
409 buf->vb.height = cam->height; in buffer_prepare()
429 struct zr364xx_camera *cam = vq->priv_data; in buffer_queue() local
434 list_add_tail(&buf->vb.queue, &cam->vidq.active); in buffer_queue()
463 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_read() local
474 if (mutex_lock_interruptible(&cam->lock)) in zr364xx_read()
484 err = videobuf_read_one(&cam->vb_vidq, buf, count, ppos, in zr364xx_read()
487 mutex_unlock(&cam->lock); in zr364xx_read()
499 static void zr364xx_fillbuff(struct zr364xx_camera *cam, in zr364xx_fillbuff() argument
511 last_frame = cam->last_frame; in zr364xx_fillbuff()
513 tmpbuf = (const char *)cam->buffer.frame[last_frame].lpvbits; in zr364xx_fillbuff()
522 cam->last_frame = -1; in zr364xx_fillbuff()
531 buf->vb.field_count = cam->frame_count * 2; in zr364xx_fillbuff()
536 static int zr364xx_got_frame(struct zr364xx_camera *cam, int jpgsize) in zr364xx_got_frame() argument
538 struct zr364xx_dmaqueue *dma_q = &cam->vidq; in zr364xx_got_frame()
544 spin_lock_irqsave(&cam->slock, flags); in zr364xx_got_frame()
562 zr364xx_fillbuff(cam, buf, jpgsize); in zr364xx_got_frame()
566 spin_unlock_irqrestore(&cam->slock, flags); in zr364xx_got_frame()
575 static int zr364xx_read_video_callback(struct zr364xx_camera *cam, in zr364xx_read_video_callback() argument
587 idx = cam->cur_frame; in zr364xx_read_video_callback()
588 frm = &cam->buffer.frame[idx]; in zr364xx_read_video_callback()
591 if (cam->method == METHOD0) { in zr364xx_read_video_callback()
598 if (!cam->b_acquire) { in zr364xx_read_video_callback()
636 dev_info(&cam->udev->dev, in zr364xx_read_video_callback()
651 cam->last_frame = cam->cur_frame; in zr364xx_read_video_callback()
652 cam->cur_frame++; in zr364xx_read_video_callback()
654 if (cam->cur_frame == cam->buffer.dwFrames) in zr364xx_read_video_callback()
655 cam->cur_frame = 0; in zr364xx_read_video_callback()
679 DBG("Bogus frame ? %d\n", ++(cam->nb)); in zr364xx_read_video_callback()
680 } else if (cam->b_acquire) { in zr364xx_read_video_callback()
682 if (cam->skip) in zr364xx_read_video_callback()
683 cam->skip--; in zr364xx_read_video_callback()
690 zr364xx_got_frame(cam, frm->cur_size); in zr364xx_read_video_callback()
693 cam->frame_count++; in zr364xx_read_video_callback()
704 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_querycap() local
707 strlcpy(cap->card, cam->udev->product, sizeof(cap->card)); in zr364xx_vidioc_querycap()
708 strlcpy(cap->bus_info, dev_name(&cam->udev->dev), in zr364xx_vidioc_querycap()
745 struct zr364xx_camera *cam = in zr364xx_s_ctrl() local
752 send_control_msg(cam->udev, 1, 0x2001, 0, NULL, 0); in zr364xx_s_ctrl()
754 send_control_msg(cam->udev, 1, temp, 0, NULL, 0); in zr364xx_s_ctrl()
787 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_try_fmt_vid_cap() local
790 if (cam == NULL) in zr364xx_vidioc_try_fmt_vid_cap()
818 struct zr364xx_camera *cam; in zr364xx_vidioc_g_fmt_vid_cap() local
822 cam = video_drvdata(file); in zr364xx_vidioc_g_fmt_vid_cap()
826 f->fmt.pix.width = cam->width; in zr364xx_vidioc_g_fmt_vid_cap()
827 f->fmt.pix.height = cam->height; in zr364xx_vidioc_g_fmt_vid_cap()
837 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_s_fmt_vid_cap() local
838 struct videobuf_queue *q = &cam->vb_vidq; in zr364xx_vidioc_s_fmt_vid_cap()
840 int ret = zr364xx_vidioc_try_fmt_vid_cap(file, cam, f); in zr364xx_vidioc_s_fmt_vid_cap()
848 if (videobuf_queue_is_busy(&cam->vb_vidq)) { in zr364xx_vidioc_s_fmt_vid_cap()
854 if (cam->owner) { in zr364xx_vidioc_s_fmt_vid_cap()
860 cam->width = f->fmt.pix.width; in zr364xx_vidioc_s_fmt_vid_cap()
861 cam->height = f->fmt.pix.height; in zr364xx_vidioc_s_fmt_vid_cap()
863 cam->width, cam->height); in zr364xx_vidioc_s_fmt_vid_cap()
867 cam->vb_vidq.field = f->fmt.pix.field; in zr364xx_vidioc_s_fmt_vid_cap()
881 if (cam->method == METHOD3) { in zr364xx_vidioc_s_fmt_vid_cap()
895 header2[437] = cam->height / 256; in zr364xx_vidioc_s_fmt_vid_cap()
896 header2[438] = cam->height % 256; in zr364xx_vidioc_s_fmt_vid_cap()
897 header2[439] = cam->width / 256; in zr364xx_vidioc_s_fmt_vid_cap()
898 header2[440] = cam->width % 256; in zr364xx_vidioc_s_fmt_vid_cap()
900 for (i = 0; init[cam->method][i].size != -1; i++) { in zr364xx_vidioc_s_fmt_vid_cap()
902 send_control_msg(cam->udev, 1, init[cam->method][i].value, in zr364xx_vidioc_s_fmt_vid_cap()
903 0, init[cam->method][i].bytes, in zr364xx_vidioc_s_fmt_vid_cap()
904 init[cam->method][i].size); in zr364xx_vidioc_s_fmt_vid_cap()
906 dev_err(&cam->udev->dev, in zr364xx_vidioc_s_fmt_vid_cap()
916 cam->skip = 2; in zr364xx_vidioc_s_fmt_vid_cap()
931 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_reqbufs() local
933 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_reqbufs()
935 return videobuf_reqbufs(&cam->vb_vidq, p); in zr364xx_vidioc_reqbufs()
943 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_querybuf() local
944 rc = videobuf_querybuf(&cam->vb_vidq, p); in zr364xx_vidioc_querybuf()
953 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_qbuf() local
955 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_qbuf()
957 rc = videobuf_qbuf(&cam->vb_vidq, p); in zr364xx_vidioc_qbuf()
966 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_dqbuf() local
968 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_dqbuf()
970 rc = videobuf_dqbuf(&cam->vb_vidq, p, file->f_flags & O_NONBLOCK); in zr364xx_vidioc_dqbuf()
977 struct zr364xx_camera *cam; in read_pipe_completion() local
987 cam = pipe_info->cam; in read_pipe_completion()
988 if (cam == NULL) { in read_pipe_completion()
1006 dev_err(&cam->udev->dev, "wrong number of bytes\n"); in read_pipe_completion()
1011 zr364xx_read_video_callback(cam, pipe_info, purb); in read_pipe_completion()
1017 pipe = usb_rcvbulkpipe(cam->udev, cam->read_endpoint); in read_pipe_completion()
1020 usb_fill_bulk_urb(pipe_info->stream_urb, cam->udev, in read_pipe_completion()
1031 dev_err(&cam->udev->dev, in read_pipe_completion()
1038 static int zr364xx_start_readpipe(struct zr364xx_camera *cam) in zr364xx_start_readpipe() argument
1042 struct zr364xx_pipeinfo *pipe_info = cam->pipe; in zr364xx_start_readpipe()
1043 pipe = usb_rcvbulkpipe(cam->udev, cam->read_endpoint); in zr364xx_start_readpipe()
1044 DBG("%s: start pipe IN x%x\n", __func__, cam->read_endpoint); in zr364xx_start_readpipe()
1050 dev_err(&cam->udev->dev, "ReadStream: Unable to alloc URB\n"); in zr364xx_start_readpipe()
1054 usb_fill_bulk_urb(pipe_info->stream_urb, cam->udev, in zr364xx_start_readpipe()
1070 static void zr364xx_stop_readpipe(struct zr364xx_camera *cam) in zr364xx_stop_readpipe() argument
1074 if (cam == NULL) { in zr364xx_stop_readpipe()
1079 pipe_info = cam->pipe; in zr364xx_stop_readpipe()
1095 static int zr364xx_start_acquire(struct zr364xx_camera *cam) in zr364xx_start_acquire() argument
1101 cam->last_frame = -1; in zr364xx_start_acquire()
1102 cam->cur_frame = 0; in zr364xx_start_acquire()
1104 cam->buffer.frame[j].ulState = ZR364XX_READ_IDLE; in zr364xx_start_acquire()
1105 cam->buffer.frame[j].cur_size = 0; in zr364xx_start_acquire()
1107 cam->b_acquire = 1; in zr364xx_start_acquire()
1111 static inline int zr364xx_stop_acquire(struct zr364xx_camera *cam) in zr364xx_stop_acquire() argument
1113 cam->b_acquire = 0; in zr364xx_stop_acquire()
1117 static int zr364xx_prepare(struct zr364xx_camera *cam) in zr364xx_prepare() argument
1122 for (i = 0; init[cam->method][i].size != -1; i++) { in zr364xx_prepare()
1123 res = send_control_msg(cam->udev, 1, init[cam->method][i].value, in zr364xx_prepare()
1124 0, init[cam->method][i].bytes, in zr364xx_prepare()
1125 init[cam->method][i].size); in zr364xx_prepare()
1127 dev_err(&cam->udev->dev, in zr364xx_prepare()
1133 cam->skip = 2; in zr364xx_prepare()
1134 cam->last_frame = -1; in zr364xx_prepare()
1135 cam->cur_frame = 0; in zr364xx_prepare()
1136 cam->frame_count = 0; in zr364xx_prepare()
1138 cam->buffer.frame[j].ulState = ZR364XX_READ_IDLE; in zr364xx_prepare()
1139 cam->buffer.frame[j].cur_size = 0; in zr364xx_prepare()
1141 v4l2_ctrl_handler_setup(&cam->ctrl_handler); in zr364xx_prepare()
1148 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_streamon() local
1156 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_streamon()
1159 res = zr364xx_prepare(cam); in zr364xx_vidioc_streamon()
1162 res = videobuf_streamon(&cam->vb_vidq); in zr364xx_vidioc_streamon()
1164 zr364xx_start_acquire(cam); in zr364xx_vidioc_streamon()
1165 cam->owner = file->private_data; in zr364xx_vidioc_streamon()
1173 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_vidioc_streamoff() local
1178 if (cam->owner && cam->owner != priv) in zr364xx_vidioc_streamoff()
1180 zr364xx_stop_acquire(cam); in zr364xx_vidioc_streamoff()
1181 return videobuf_streamoff(&cam->vb_vidq); in zr364xx_vidioc_streamoff()
1188 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_open() local
1193 if (mutex_lock_interruptible(&cam->lock)) in zr364xx_open()
1207 mutex_unlock(&cam->lock); in zr364xx_open()
1214 struct zr364xx_camera *cam = in zr364xx_release() local
1218 v4l2_device_unregister(&cam->v4l2_dev); in zr364xx_release()
1220 videobuf_mmap_free(&cam->vb_vidq); in zr364xx_release()
1224 if (cam->buffer.frame[i].lpvbits) { in zr364xx_release()
1225 DBG("vfree %p\n", cam->buffer.frame[i].lpvbits); in zr364xx_release()
1226 vfree(cam->buffer.frame[i].lpvbits); in zr364xx_release()
1228 cam->buffer.frame[i].lpvbits = NULL; in zr364xx_release()
1231 v4l2_ctrl_handler_free(&cam->ctrl_handler); in zr364xx_release()
1233 kfree(cam->pipe->transfer_buffer); in zr364xx_release()
1234 kfree(cam); in zr364xx_release()
1240 struct zr364xx_camera *cam; in zr364xx_close() local
1245 cam = video_drvdata(file); in zr364xx_close()
1247 mutex_lock(&cam->lock); in zr364xx_close()
1248 udev = cam->udev; in zr364xx_close()
1250 if (file->private_data == cam->owner) { in zr364xx_close()
1252 if (cam->b_acquire) in zr364xx_close()
1253 zr364xx_stop_acquire(cam); in zr364xx_close()
1254 videobuf_streamoff(&cam->vb_vidq); in zr364xx_close()
1257 send_control_msg(udev, 1, init[cam->method][i].value, in zr364xx_close()
1258 0, init[cam->method][i].bytes, in zr364xx_close()
1259 init[cam->method][i].size); in zr364xx_close()
1261 cam->owner = NULL; in zr364xx_close()
1268 mutex_unlock(&cam->lock); in zr364xx_close()
1275 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_mmap() local
1278 if (cam == NULL) { in zr364xx_mmap()
1284 ret = videobuf_mmap_mapper(&cam->vb_vidq, vma); in zr364xx_mmap()
1295 struct zr364xx_camera *cam = video_drvdata(file); in zr364xx_poll() local
1296 struct videobuf_queue *q = &cam->vb_vidq; in zr364xx_poll()
1350 static int zr364xx_board_init(struct zr364xx_camera *cam) in zr364xx_board_init() argument
1352 struct zr364xx_pipeinfo *pipe = cam->pipe; in zr364xx_board_init()
1355 DBG("board init: %p\n", cam); in zr364xx_board_init()
1357 pipe->cam = cam; in zr364xx_board_init()
1367 cam->b_acquire = 0; in zr364xx_board_init()
1368 cam->frame_count = 0; in zr364xx_board_init()
1373 cam->buffer.frame[i].lpvbits = vmalloc(MAX_FRAME_SIZE); in zr364xx_board_init()
1376 &cam->buffer.frame[i], i, in zr364xx_board_init()
1377 cam->buffer.frame[i].lpvbits); in zr364xx_board_init()
1378 if (cam->buffer.frame[i].lpvbits == NULL) { in zr364xx_board_init()
1387 kfree(cam->pipe->transfer_buffer); in zr364xx_board_init()
1388 cam->pipe->transfer_buffer = NULL; in zr364xx_board_init()
1391 cam->buffer.dwFrames = i; in zr364xx_board_init()
1395 cam->buffer.frame[i].ulState = ZR364XX_READ_IDLE; in zr364xx_board_init()
1396 cam->buffer.frame[i].cur_size = 0; in zr364xx_board_init()
1399 cam->cur_frame = 0; in zr364xx_board_init()
1400 cam->last_frame = -1; in zr364xx_board_init()
1404 zr364xx_start_readpipe(cam); in zr364xx_board_init()
1413 struct zr364xx_camera *cam = NULL; in zr364xx_probe() local
1427 cam = kzalloc(sizeof(struct zr364xx_camera), GFP_KERNEL); in zr364xx_probe()
1428 if (cam == NULL) { in zr364xx_probe()
1433 cam->v4l2_dev.release = zr364xx_release; in zr364xx_probe()
1434 err = v4l2_device_register(&intf->dev, &cam->v4l2_dev); in zr364xx_probe()
1437 kfree(cam); in zr364xx_probe()
1440 hdl = &cam->ctrl_handler; in zr364xx_probe()
1450 cam->method = id->driver_info; in zr364xx_probe()
1451 mutex_init(&cam->lock); in zr364xx_probe()
1452 cam->vdev = zr364xx_template; in zr364xx_probe()
1453 cam->vdev.lock = &cam->lock; in zr364xx_probe()
1454 cam->vdev.v4l2_dev = &cam->v4l2_dev; in zr364xx_probe()
1455 cam->vdev.ctrl_handler = &cam->ctrl_handler; in zr364xx_probe()
1456 video_set_drvdata(&cam->vdev, cam); in zr364xx_probe()
1458 cam->udev = udev; in zr364xx_probe()
1463 cam->width = 160; in zr364xx_probe()
1464 cam->height = 120; in zr364xx_probe()
1468 cam->width = 640; in zr364xx_probe()
1469 cam->height = 480; in zr364xx_probe()
1473 cam->width = 320; in zr364xx_probe()
1474 cam->height = 240; in zr364xx_probe()
1483 if (cam->method == METHOD3) { in zr364xx_probe()
1497 header2[437] = cam->height / 256; in zr364xx_probe()
1498 header2[438] = cam->height % 256; in zr364xx_probe()
1499 header2[439] = cam->width / 256; in zr364xx_probe()
1500 header2[440] = cam->width % 256; in zr364xx_probe()
1502 cam->nb = 0; in zr364xx_probe()
1504 DBG("dev: %p, udev %p interface %p\n", cam, cam->udev, intf); in zr364xx_probe()
1511 if (!cam->read_endpoint && usb_endpoint_is_bulk_in(endpoint)) { in zr364xx_probe()
1513 cam->read_endpoint = endpoint->bEndpointAddress; in zr364xx_probe()
1517 if (!cam->read_endpoint) { in zr364xx_probe()
1524 INIT_LIST_HEAD(&cam->vidq.active); in zr364xx_probe()
1525 cam->vidq.cam = cam; in zr364xx_probe()
1527 usb_set_intfdata(intf, cam); in zr364xx_probe()
1530 err = zr364xx_board_init(cam); in zr364xx_probe()
1536 spin_lock_init(&cam->slock); in zr364xx_probe()
1538 cam->fmt = formats; in zr364xx_probe()
1540 videobuf_queue_vmalloc_init(&cam->vb_vidq, &zr364xx_video_qops, in zr364xx_probe()
1541 NULL, &cam->slock, in zr364xx_probe()
1544 sizeof(struct zr364xx_buffer), cam, &cam->lock); in zr364xx_probe()
1546 err = video_register_device(&cam->vdev, VFL_TYPE_GRABBER, -1); in zr364xx_probe()
1553 video_device_node_name(&cam->vdev)); in zr364xx_probe()
1558 v4l2_device_unregister(&cam->v4l2_dev); in zr364xx_probe()
1559 kfree(cam); in zr364xx_probe()
1566 struct zr364xx_camera *cam = usb_get_intfdata(intf); in zr364xx_disconnect() local
1568 mutex_lock(&cam->lock); in zr364xx_disconnect()
1571 video_unregister_device(&cam->vdev); in zr364xx_disconnect()
1572 v4l2_device_disconnect(&cam->v4l2_dev); in zr364xx_disconnect()
1575 if (cam->b_acquire) in zr364xx_disconnect()
1576 zr364xx_stop_acquire(cam); in zr364xx_disconnect()
1578 zr364xx_stop_readpipe(cam); in zr364xx_disconnect()
1579 mutex_unlock(&cam->lock); in zr364xx_disconnect()
1580 v4l2_device_put(&cam->v4l2_dev); in zr364xx_disconnect()
1587 struct zr364xx_camera *cam = usb_get_intfdata(intf); in zr364xx_suspend() local
1589 cam->was_streaming = cam->b_acquire; in zr364xx_suspend()
1590 if (!cam->was_streaming) in zr364xx_suspend()
1592 zr364xx_stop_acquire(cam); in zr364xx_suspend()
1593 zr364xx_stop_readpipe(cam); in zr364xx_suspend()
1599 struct zr364xx_camera *cam = usb_get_intfdata(intf); in zr364xx_resume() local
1602 if (!cam->was_streaming) in zr364xx_resume()
1605 zr364xx_start_readpipe(cam); in zr364xx_resume()
1606 res = zr364xx_prepare(cam); in zr364xx_resume()
1608 zr364xx_start_acquire(cam); in zr364xx_resume()