projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 59e931c4 FK |
1 | /* |
| 2 | * Xsens MT USB driver | |
| 3 | * | |
| 4 | * Copyright (C) 2013 Xsens <[email protected]> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License version | |
| 8 | * 2 as published by the Free Software Foundation. | |
| 9 | */ | |
| 10 | ||
| 11 | #include <linux/kernel.h> | |
| 12 | #include <linux/init.h> | |
| 13 | #include <linux/tty.h> | |
| 14 | #include <linux/module.h> | |
| 15 | #include <linux/usb.h> | |
| 16 | #include <linux/usb/serial.h> | |
| 17 | #include <linux/uaccess.h> | |
| 18 | ||
| 19 | #define XSENS_VID 0x2639 | |
| 20 | ||
| 21 | #define MTi_10_IMU_PID 0x0001 | |
| 22 | #define MTi_20_VRU_PID 0x0002 | |
| 23 | #define MTi_30_AHRS_PID 0x0003 | |
| 24 | ||
| 25 | #define MTi_100_IMU_PID 0x0011 | |
| 26 | #define MTi_200_VRU_PID 0x0012 | |
| 27 | #define MTi_300_AHRS_PID 0x0013 | |
| 28 | ||
| 29 | #define MTi_G_700_GPS_INS_PID 0x0017 | |
| 30 | ||
| 31 | static const struct usb_device_id id_table[] = { | |
| 32 | { USB_DEVICE(XSENS_VID, MTi_10_IMU_PID) }, | |
| 33 | { USB_DEVICE(XSENS_VID, MTi_20_VRU_PID) }, | |
| 34 | { USB_DEVICE(XSENS_VID, MTi_30_AHRS_PID) }, | |
| 35 | ||
| 36 | { USB_DEVICE(XSENS_VID, MTi_100_IMU_PID) }, | |
| 37 | { USB_DEVICE(XSENS_VID, MTi_200_VRU_PID) }, | |
| 38 | { USB_DEVICE(XSENS_VID, MTi_300_AHRS_PID) }, | |
| 39 | ||
| 40 | { USB_DEVICE(XSENS_VID, MTi_G_700_GPS_INS_PID) }, | |
| 41 | { }, | |
| 42 | }; | |
| 43 | MODULE_DEVICE_TABLE(usb, id_table); | |
| 44 | ||
| 45 | static int has_required_endpoints(const struct usb_host_interface *interface) | |
| 46 | { | |
| 47 | __u8 i; | |
| 48 | int has_bulk_in = 0; | |
| 49 | int has_bulk_out = 0; | |
| 50 | ||
| 51 | for (i = 0; i < interface->desc.bNumEndpoints; ++i) { | |
| 52 | if (usb_endpoint_is_bulk_in(&interface->endpoint[i].desc)) | |
| 53 | has_bulk_in = 1; | |
| 54 | else if (usb_endpoint_is_bulk_out(&interface->endpoint[i].desc)) | |
| 55 | has_bulk_out = 1; | |
| 56 | } | |
| 57 | ||
| 58 | return has_bulk_in && has_bulk_out; | |
| 59 | } | |
| 60 | ||
| 61 | static int xsens_mt_probe(struct usb_serial *serial, | |
| 62 | const struct usb_device_id *id) | |
| 63 | { | |
| 64 | if (!has_required_endpoints(serial->interface->cur_altsetting)) | |
| 65 | return -ENODEV; | |
| 66 | return 0; | |
| 67 | } | |
| 68 | ||
| 69 | static struct usb_serial_driver xsens_mt_device = { | |
| 70 | .driver = { | |
| 71 | .owner = THIS_MODULE, | |
| 72 | .name = "xsens_mt", | |
| 73 | }, | |
| 74 | .id_table = id_table, | |
| 75 | .num_ports = 1, | |
| 76 | ||
| 77 | .probe = xsens_mt_probe, | |
| 78 | }; | |
| 79 | ||
| 80 | static struct usb_serial_driver * const serial_drivers[] = { | |
| 81 | &xsens_mt_device, NULL | |
| 82 | }; | |
| 83 | ||
| 84 | module_usb_serial_driver(serial_drivers, id_table); | |
| 85 | ||
| 86 | MODULE_LICENSE("GPL"); |