Lines Matching refs:dev
274 static int atp_geyser_init(struct atp *dev) in atp_geyser_init() argument
276 struct usb_device *udev = dev->udev; in atp_geyser_init()
284 dev_err(&dev->intf->dev, "Out of memory\n"); in atp_geyser_init()
299 dev_err(&dev->intf->dev, "Failed to read mode from device.\n"); in atp_geyser_init()
318 dev_err(&dev->intf->dev, "Failed to request geyser raw mode\n"); in atp_geyser_init()
334 struct atp *dev = container_of(work, struct atp, work); in atp_reinit() local
338 atp_geyser_init(dev); in atp_reinit()
340 retval = usb_submit_urb(dev->urb, GFP_ATOMIC); in atp_reinit()
342 dev_err(&dev->intf->dev, in atp_reinit()
347 static int atp_calculate_abs(struct atp *dev, int offset, int nb_sensors, in atp_calculate_abs() argument
356 int *xy_sensors = dev->xy_acc + offset; in atp_calculate_abs()
405 memset(dev->smooth, 0, 4 * sizeof(dev->smooth[0])); in atp_calculate_abs()
408 dev->smooth[i + 4] = xy_sensors[i] << ATP_SCALE; in atp_calculate_abs()
409 memset(&dev->smooth[nb_sensors + 4], 0, 4 * sizeof(dev->smooth[0])); in atp_calculate_abs()
413 dev->smooth_tmp[0] = (dev->smooth[0] + dev->smooth[1]) / 2; in atp_calculate_abs()
417 dev->smooth_tmp[i] = (dev->smooth[i - 1] + in atp_calculate_abs()
418 dev->smooth[i] * 2 + in atp_calculate_abs()
419 dev->smooth[i + 1]) / 4; in atp_calculate_abs()
422 dev->smooth_tmp[i] = (dev->smooth[i - 1] + dev->smooth[i]) / 2; in atp_calculate_abs()
424 memcpy(dev->smooth, dev->smooth_tmp, sizeof(dev->smooth)); in atp_calculate_abs()
432 if ((dev->smooth[i] >> ATP_SCALE) > 0) { in atp_calculate_abs()
433 pcum += dev->smooth[i] * i; in atp_calculate_abs()
434 psum += dev->smooth[i]; in atp_calculate_abs()
461 struct atp *dev = urb->context; in atp_status_check() local
462 struct usb_interface *intf = dev->intf; in atp_status_check()
469 if (!dev->overflow_warned) { in atp_status_check()
470 dev_warn(&intf->dev, in atp_status_check()
472 dev->info->datalen, dev->urb->actual_length); in atp_status_check()
473 dev->overflow_warned = true; in atp_status_check()
479 dev_dbg(&intf->dev, in atp_status_check()
485 dev_dbg(&intf->dev, in atp_status_check()
492 if (dev->urb->actual_length != dev->info->datalen) { in atp_status_check()
495 dev->data[0], dev->urb->actual_length); in atp_status_check()
502 static void atp_detect_size(struct atp *dev) in atp_detect_size() argument
507 for (i = dev->info->xsensors; i < ATP_XSENSORS; i++) { in atp_detect_size()
508 if (dev->xy_cur[i]) { in atp_detect_size()
510 dev_info(&dev->intf->dev, in atp_detect_size()
513 input_set_abs_params(dev->input, ABS_X, 0, in atp_detect_size()
514 (dev->info->xsensors_17 - 1) * in atp_detect_size()
515 dev->info->xfact - 1, in atp_detect_size()
516 dev->info->fuzz, 0); in atp_detect_size()
533 struct atp *dev = urb->context; in atp_complete_geyser_1_2() local
542 if (dev->info == &geyser2_info) { in atp_complete_geyser_1_2()
543 memset(dev->xy_cur, 0, sizeof(dev->xy_cur)); in atp_complete_geyser_1_2()
553 dev->xy_cur[i] = dev->data[j]; in atp_complete_geyser_1_2()
554 dev->xy_cur[i + 1] = dev->data[j + 1]; in atp_complete_geyser_1_2()
559 dev->xy_cur[ATP_XSENSORS + i] = dev->data[j]; in atp_complete_geyser_1_2()
560 dev->xy_cur[ATP_XSENSORS + i + 1] = dev->data[j + 1]; in atp_complete_geyser_1_2()
565 dev->xy_cur[i + 0] = dev->data[5 * i + 2]; in atp_complete_geyser_1_2()
566 dev->xy_cur[i + 8] = dev->data[5 * i + 4]; in atp_complete_geyser_1_2()
567 dev->xy_cur[i + 16] = dev->data[5 * i + 42]; in atp_complete_geyser_1_2()
569 dev->xy_cur[i + 24] = dev->data[5 * i + 44]; in atp_complete_geyser_1_2()
572 dev->xy_cur[ATP_XSENSORS + i] = dev->data[5 * i + 1]; in atp_complete_geyser_1_2()
573 dev->xy_cur[ATP_XSENSORS + i + 8] = dev->data[5 * i + 3]; in atp_complete_geyser_1_2()
577 dbg_dump("sample", dev->xy_cur); in atp_complete_geyser_1_2()
579 if (!dev->valid) { in atp_complete_geyser_1_2()
581 dev->valid = true; in atp_complete_geyser_1_2()
582 dev->x_old = dev->y_old = -1; in atp_complete_geyser_1_2()
585 memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); in atp_complete_geyser_1_2()
588 if (unlikely(!dev->size_detect_done)) { in atp_complete_geyser_1_2()
589 atp_detect_size(dev); in atp_complete_geyser_1_2()
590 dev->size_detect_done = 1; in atp_complete_geyser_1_2()
597 signed char change = dev->xy_old[i] - dev->xy_cur[i]; in atp_complete_geyser_1_2()
598 dev->xy_acc[i] -= change; in atp_complete_geyser_1_2()
601 if (dev->xy_acc[i] < 0) in atp_complete_geyser_1_2()
602 dev->xy_acc[i] = 0; in atp_complete_geyser_1_2()
605 memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); in atp_complete_geyser_1_2()
607 dbg_dump("accumulator", dev->xy_acc); in atp_complete_geyser_1_2()
609 x = atp_calculate_abs(dev, 0, ATP_XSENSORS, in atp_complete_geyser_1_2()
610 dev->info->xfact, &x_z, &x_f); in atp_complete_geyser_1_2()
611 y = atp_calculate_abs(dev, ATP_XSENSORS, ATP_YSENSORS, in atp_complete_geyser_1_2()
612 dev->info->yfact, &y_z, &y_f); in atp_complete_geyser_1_2()
613 key = dev->data[dev->info->datalen - 1] & ATP_STATUS_BUTTON; in atp_complete_geyser_1_2()
617 if (x && y && fingers == dev->fingers_old) { in atp_complete_geyser_1_2()
618 if (dev->x_old != -1) { in atp_complete_geyser_1_2()
619 x = (dev->x_old * 7 + x) >> 3; in atp_complete_geyser_1_2()
620 y = (dev->y_old * 7 + y) >> 3; in atp_complete_geyser_1_2()
621 dev->x_old = x; in atp_complete_geyser_1_2()
622 dev->y_old = y; in atp_complete_geyser_1_2()
629 input_report_key(dev->input, BTN_TOUCH, 1); in atp_complete_geyser_1_2()
630 input_report_abs(dev->input, ABS_X, x); in atp_complete_geyser_1_2()
631 input_report_abs(dev->input, ABS_Y, y); in atp_complete_geyser_1_2()
632 input_report_abs(dev->input, ABS_PRESSURE, in atp_complete_geyser_1_2()
634 atp_report_fingers(dev->input, fingers); in atp_complete_geyser_1_2()
636 dev->x_old = x; in atp_complete_geyser_1_2()
637 dev->y_old = y; in atp_complete_geyser_1_2()
641 dev->x_old = dev->y_old = -1; in atp_complete_geyser_1_2()
642 dev->fingers_old = 0; in atp_complete_geyser_1_2()
643 input_report_key(dev->input, BTN_TOUCH, 0); in atp_complete_geyser_1_2()
644 input_report_abs(dev->input, ABS_PRESSURE, 0); in atp_complete_geyser_1_2()
645 atp_report_fingers(dev->input, 0); in atp_complete_geyser_1_2()
648 memset(dev->xy_acc, 0, sizeof(dev->xy_acc)); in atp_complete_geyser_1_2()
651 if (fingers != dev->fingers_old) in atp_complete_geyser_1_2()
652 dev->x_old = dev->y_old = -1; in atp_complete_geyser_1_2()
653 dev->fingers_old = fingers; in atp_complete_geyser_1_2()
655 input_report_key(dev->input, BTN_LEFT, key); in atp_complete_geyser_1_2()
656 input_sync(dev->input); in atp_complete_geyser_1_2()
659 retval = usb_submit_urb(dev->urb, GFP_ATOMIC); in atp_complete_geyser_1_2()
661 dev_err(&dev->intf->dev, in atp_complete_geyser_1_2()
673 struct atp *dev = urb->context; in atp_complete_geyser_3_4() local
690 dev->xy_cur[i] = dev->data[j + 1]; in atp_complete_geyser_3_4()
691 dev->xy_cur[i + 1] = dev->data[j + 2]; in atp_complete_geyser_3_4()
695 dev->xy_cur[ATP_XSENSORS + i] = dev->data[j + 1]; in atp_complete_geyser_3_4()
696 dev->xy_cur[ATP_XSENSORS + i + 1] = dev->data[j + 2]; in atp_complete_geyser_3_4()
699 dbg_dump("sample", dev->xy_cur); in atp_complete_geyser_3_4()
702 if (dev->data[dev->info->datalen - 1] & ATP_STATUS_BASE_UPDATE) { in atp_complete_geyser_3_4()
706 memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); in atp_complete_geyser_3_4()
712 dev->xy_acc[i] = dev->xy_cur[i] - dev->xy_old[i]; in atp_complete_geyser_3_4()
715 if (dev->xy_acc[i] > 127) in atp_complete_geyser_3_4()
716 dev->xy_acc[i] -= 256; in atp_complete_geyser_3_4()
718 if (dev->xy_acc[i] < -127) in atp_complete_geyser_3_4()
719 dev->xy_acc[i] += 256; in atp_complete_geyser_3_4()
722 if (dev->xy_acc[i] < 0) in atp_complete_geyser_3_4()
723 dev->xy_acc[i] = 0; in atp_complete_geyser_3_4()
726 dbg_dump("accumulator", dev->xy_acc); in atp_complete_geyser_3_4()
728 x = atp_calculate_abs(dev, 0, ATP_XSENSORS, in atp_complete_geyser_3_4()
729 dev->info->xfact, &x_z, &x_f); in atp_complete_geyser_3_4()
730 y = atp_calculate_abs(dev, ATP_XSENSORS, ATP_YSENSORS, in atp_complete_geyser_3_4()
731 dev->info->yfact, &y_z, &y_f); in atp_complete_geyser_3_4()
733 key = dev->data[dev->info->datalen - 1] & ATP_STATUS_BUTTON; in atp_complete_geyser_3_4()
737 if (x && y && fingers == dev->fingers_old) { in atp_complete_geyser_3_4()
738 if (dev->x_old != -1) { in atp_complete_geyser_3_4()
739 x = (dev->x_old * 7 + x) >> 3; in atp_complete_geyser_3_4()
740 y = (dev->y_old * 7 + y) >> 3; in atp_complete_geyser_3_4()
741 dev->x_old = x; in atp_complete_geyser_3_4()
742 dev->y_old = y; in atp_complete_geyser_3_4()
749 input_report_key(dev->input, BTN_TOUCH, 1); in atp_complete_geyser_3_4()
750 input_report_abs(dev->input, ABS_X, x); in atp_complete_geyser_3_4()
751 input_report_abs(dev->input, ABS_Y, y); in atp_complete_geyser_3_4()
752 input_report_abs(dev->input, ABS_PRESSURE, in atp_complete_geyser_3_4()
754 atp_report_fingers(dev->input, fingers); in atp_complete_geyser_3_4()
756 dev->x_old = x; in atp_complete_geyser_3_4()
757 dev->y_old = y; in atp_complete_geyser_3_4()
761 dev->x_old = dev->y_old = -1; in atp_complete_geyser_3_4()
762 dev->fingers_old = 0; in atp_complete_geyser_3_4()
763 input_report_key(dev->input, BTN_TOUCH, 0); in atp_complete_geyser_3_4()
764 input_report_abs(dev->input, ABS_PRESSURE, 0); in atp_complete_geyser_3_4()
765 atp_report_fingers(dev->input, 0); in atp_complete_geyser_3_4()
768 memset(dev->xy_acc, 0, sizeof(dev->xy_acc)); in atp_complete_geyser_3_4()
771 if (fingers != dev->fingers_old) in atp_complete_geyser_3_4()
772 dev->x_old = dev->y_old = -1; in atp_complete_geyser_3_4()
773 dev->fingers_old = fingers; in atp_complete_geyser_3_4()
775 input_report_key(dev->input, BTN_LEFT, key); in atp_complete_geyser_3_4()
776 input_sync(dev->input); in atp_complete_geyser_3_4()
790 dev->idlecount++; in atp_complete_geyser_3_4()
791 if (dev->idlecount == 10) { in atp_complete_geyser_3_4()
792 dev->x_old = dev->y_old = -1; in atp_complete_geyser_3_4()
793 dev->idlecount = 0; in atp_complete_geyser_3_4()
794 schedule_work(&dev->work); in atp_complete_geyser_3_4()
799 dev->idlecount = 0; in atp_complete_geyser_3_4()
802 retval = usb_submit_urb(dev->urb, GFP_ATOMIC); in atp_complete_geyser_3_4()
804 dev_err(&dev->intf->dev, in atp_complete_geyser_3_4()
811 struct atp *dev = input_get_drvdata(input); in atp_open() local
813 if (usb_submit_urb(dev->urb, GFP_ATOMIC)) in atp_open()
816 dev->open = 1; in atp_open()
822 struct atp *dev = input_get_drvdata(input); in atp_close() local
824 usb_kill_urb(dev->urb); in atp_close()
825 cancel_work_sync(&dev->work); in atp_close()
826 dev->open = 0; in atp_close()
829 static int atp_handle_geyser(struct atp *dev) in atp_handle_geyser() argument
831 if (dev->info != &fountain_info) { in atp_handle_geyser()
833 if (atp_geyser_init(dev)) in atp_handle_geyser()
836 dev_info(&dev->intf->dev, "Geyser mode initialized.\n"); in atp_handle_geyser()
845 struct atp *dev; in atp_probe() local
866 dev_err(&iface->dev, "Could not find int-in endpoint\n"); in atp_probe()
871 dev = kzalloc(sizeof(struct atp), GFP_KERNEL); in atp_probe()
873 if (!dev || !input_dev) { in atp_probe()
874 dev_err(&iface->dev, "Out of memory\n"); in atp_probe()
878 dev->udev = udev; in atp_probe()
879 dev->intf = iface; in atp_probe()
880 dev->input = input_dev; in atp_probe()
881 dev->info = info; in atp_probe()
882 dev->overflow_warned = false; in atp_probe()
884 dev->urb = usb_alloc_urb(0, GFP_KERNEL); in atp_probe()
885 if (!dev->urb) in atp_probe()
888 dev->data = usb_alloc_coherent(dev->udev, dev->info->datalen, GFP_KERNEL, in atp_probe()
889 &dev->urb->transfer_dma); in atp_probe()
890 if (!dev->data) in atp_probe()
893 usb_fill_int_urb(dev->urb, udev, in atp_probe()
895 dev->data, dev->info->datalen, in atp_probe()
896 dev->info->callback, dev, 1); in atp_probe()
898 error = atp_handle_geyser(dev); in atp_probe()
902 usb_make_path(udev, dev->phys, sizeof(dev->phys)); in atp_probe()
903 strlcat(dev->phys, "/input0", sizeof(dev->phys)); in atp_probe()
906 input_dev->phys = dev->phys; in atp_probe()
907 usb_to_input_id(dev->udev, &input_dev->id); in atp_probe()
908 input_dev->dev.parent = &iface->dev; in atp_probe()
910 input_set_drvdata(input_dev, dev); in atp_probe()
918 (dev->info->xsensors - 1) * dev->info->xfact - 1, in atp_probe()
919 dev->info->fuzz, 0); in atp_probe()
921 (dev->info->ysensors - 1) * dev->info->yfact - 1, in atp_probe()
922 dev->info->fuzz, 0); in atp_probe()
932 error = input_register_device(dev->input); in atp_probe()
937 usb_set_intfdata(iface, dev); in atp_probe()
939 INIT_WORK(&dev->work, atp_reinit); in atp_probe()
944 usb_free_coherent(dev->udev, dev->info->datalen, in atp_probe()
945 dev->data, dev->urb->transfer_dma); in atp_probe()
947 usb_free_urb(dev->urb); in atp_probe()
950 kfree(dev); in atp_probe()
957 struct atp *dev = usb_get_intfdata(iface); in atp_disconnect() local
960 if (dev) { in atp_disconnect()
961 usb_kill_urb(dev->urb); in atp_disconnect()
962 input_unregister_device(dev->input); in atp_disconnect()
963 usb_free_coherent(dev->udev, dev->info->datalen, in atp_disconnect()
964 dev->data, dev->urb->transfer_dma); in atp_disconnect()
965 usb_free_urb(dev->urb); in atp_disconnect()
966 kfree(dev); in atp_disconnect()
968 dev_info(&iface->dev, "input: appletouch disconnected\n"); in atp_disconnect()
971 static int atp_recover(struct atp *dev) in atp_recover() argument
975 error = atp_handle_geyser(dev); in atp_recover()
979 if (dev->open && usb_submit_urb(dev->urb, GFP_ATOMIC)) in atp_recover()
987 struct atp *dev = usb_get_intfdata(iface); in atp_suspend() local
989 usb_kill_urb(dev->urb); in atp_suspend()
995 struct atp *dev = usb_get_intfdata(iface); in atp_resume() local
997 if (dev->open && usb_submit_urb(dev->urb, GFP_ATOMIC)) in atp_resume()
1005 struct atp *dev = usb_get_intfdata(iface); in atp_reset_resume() local
1007 return atp_recover(dev); in atp_reset_resume()