btusb.c revision 290ba200815fdecb4d40dc942499c4ea6d0c4624
15e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann/* 25e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 35e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * Generic Bluetooth USB driver 45e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 59bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> 65e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 75e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 85e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * This program is free software; you can redistribute it and/or modify 95e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * it under the terms of the GNU General Public License as published by 105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * the Free Software Foundation; either version 2 of the License, or 115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * (at your option) any later version. 125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * This program is distributed in the hope that it will be useful, 145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * but WITHOUT ANY WARRANTY; without even the implied warranty of 155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * GNU General Public License for more details. 175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * You should have received a copy of the GNU General Public License 195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * along with this program; if not, write to the Free Software 205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann */ 235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/kernel.h> 255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/module.h> 265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/init.h> 275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/slab.h> 285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/types.h> 295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/sched.h> 305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/errno.h> 315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/skbuff.h> 325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/usb.h> 345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <net/bluetooth/bluetooth.h> 365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <net/bluetooth/hci_core.h> 375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann#define VERSION "0.5" 39cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 40cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int ignore_dga; 41cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int ignore_csr; 42cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int ignore_sniffer; 43cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int disable_scofix; 44cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int force_scofix; 457a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 467a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmannstatic int reset = 1; 47cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 48cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic struct usb_driver btusb_driver; 49cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 50cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann#define BTUSB_IGNORE 0x01 517a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_DIGIANSWER 0x02 527a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_CSR 0x04 537a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_SNIFFER 0x08 547a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_BCM92035 0x10 557a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_BROKEN_ISOC 0x20 567a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_WRONG_SCO_MTU 0x40 575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_device_id btusb_table[] = { 595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann /* Generic Bluetooth USB device */ 605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, 615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 62cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* AVM BlueFRITZ! USB v2.0 */ 63cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x057c, 0x3800) }, 64cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 65cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Bluetooth Ultraport Module from IBM */ 66cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x04bf, 0x030a) }, 67cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 68cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* ALPS Modules with non-standard id */ 69cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x044e, 0x3001) }, 70cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x044e, 0x3002) }, 71cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 72cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Ericsson with non-standard id */ 73cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0bdb, 0x1002) }, 74cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 75cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Canyon CN-BTU1 with HID interfaces */ 767a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0c10, 0x0000) }, 77cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { } /* Terminating entry */ 795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_DEVICE_TABLE(usb, btusb_table); 825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_device_id blacklist_table[] = { 84cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CSR BlueCore devices */ 85cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, 86cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 87cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2033 without firmware */ 88cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, 89cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 90cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2035 */ 917a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, 927a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, 937a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, 94cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 95cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2045 */ 967a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, 977a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, 98bdbef3d696ca83489eb653459b5a7a62ecf5596aMarcel Holtmann 99cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* IBM/Lenovo ThinkPad with Broadcom chip */ 1007a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, 1017a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, 102cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 103cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* HP laptop with Broadcom chip */ 1047a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, 105cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 106cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Dell laptop with Broadcom chip */ 1077a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, 108cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1095ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Dell Wireless 370 and 410 devices */ 1107a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, 1115ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, 112cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1137a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Belkin F8T012 and F8T013 devices */ 1147a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, 1157a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, 116cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1175ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Asus WL-BTD202 device */ 1185ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, 1195ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann 1205ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Kensington Bluetooth USB adapter */ 1215ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, 1225ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann 123cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* RTX Telecom based adapters with buggy SCO support */ 124cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, 125cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, 126cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 127cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CONWISE Technology based adapters with buggy SCO support */ 128cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, 129cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 130cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Digianswer devices */ 131cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, 132cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, 133cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 134cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CSR BlueCore Bluetooth Sniffer */ 135cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, 136cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 137cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Frontline ComProbe Bluetooth Sniffer */ 138cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, 139cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { } /* Terminating entry */ 1415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 1425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann#define BTUSB_MAX_ISOC_FRAMES 10 1449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 1455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#define BTUSB_INTR_RUNNING 0 1465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#define BTUSB_BULK_RUNNING 1 1479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann#define BTUSB_ISOC_RUNNING 2 1485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstruct btusb_data { 1505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 1515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_device *udev; 1525fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann struct usb_interface *intf; 1539bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_interface *isoc; 1545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann spinlock_t lock; 1565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned long flags; 1585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct work_struct work; 1605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor tx_anchor; 1625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor intr_anchor; 1635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor bulk_anchor; 1649bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_anchor isoc_anchor; 1655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *intr_ep; 1675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *bulk_tx_ep; 1685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *bulk_rx_ep; 1699bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *isoc_tx_ep; 1709bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *isoc_rx_ep; 1719bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 1727a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann __u8 cmdreq_type; 1737a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 17443c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann unsigned int sco_num; 1759bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int isoc_altsetting; 1766a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann int suspend_count; 1775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 1785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_intr_complete(struct urb *urb) 1805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 1815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = urb->context; 1825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 1835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 1845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 1865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 1875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 1895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 1905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (urb->status == 0) { 1929bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += urb->actual_length; 1939bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 1945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (hci_recv_fragment(hdev, HCI_EVENT_PKT, 1955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_buffer, 1965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->actual_length) < 0) { 1975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s corrupted event packet", hdev->name); 1985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_rx++; 1995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) 2035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 2045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->intr_anchor); 2065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 2085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 2095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p failed to resubmit (%d)", 2105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 2115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 2125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 2145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2152eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) 2165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 2175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 2185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 2195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned char *buf; 2205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 2215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err, size; 2225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 2245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->intr_ep) 2269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 2279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2282eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(0, mem_flags); 2295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 2305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 2315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann size = le16_to_cpu(data->intr_ep->wMaxPacketSize); 2335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2342eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 2355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!buf) { 2365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 2375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 2385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); 2415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_int_urb(urb, data->udev, pipe, buf, size, 2435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann btusb_intr_complete, hdev, 2445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->intr_ep->bInterval); 2455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_flags |= URB_FREE_BUFFER; 2475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->intr_anchor); 2495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2502eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 2515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 2525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p submission failed (%d)", 2535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 2545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 2555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 2585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 2605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 2615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_bulk_complete(struct urb *urb) 2635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 2645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = urb->context; 2655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 2665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 2675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 2695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 2705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 2725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 2735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (urb->status == 0) { 2759bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += urb->actual_length; 2769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, 2785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_buffer, 2795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->actual_length) < 0) { 2805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s corrupted ACL packet", hdev->name); 2815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_rx++; 2825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) 2865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 2875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->bulk_anchor); 2895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 2915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 2925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p failed to resubmit (%d)", 2935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 2945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 2955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 2975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2982eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) 2995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 3005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 3015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 3025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned char *buf; 3035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 304290ba200815fdecb4d40dc942499c4ea6d0c4624Vikram Kandukuri int err, size = HCI_MAX_FRAME_SIZE; 3055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 3075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->bulk_rx_ep) 3099bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 3109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3112eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(0, mem_flags); 3125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 3135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3152eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 3165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!buf) { 3175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); 3225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_bulk_urb(urb, data->udev, pipe, 3245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann buf, size, btusb_bulk_complete, hdev); 3255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_flags |= URB_FREE_BUFFER; 3275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->bulk_anchor); 3295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3302eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 3315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 3325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p submission failed (%d)", 3335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 3345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 3355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 3405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 3415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmannstatic void btusb_isoc_complete(struct urb *urb) 3439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 3449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct hci_dev *hdev = urb->context; 3459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct btusb_data *data = hdev->driver_data; 3469bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, err; 3479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3489bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 3499bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb, urb->status, urb->actual_length); 3509bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3519bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 3529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 3539bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3549bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (urb->status == 0) { 3559bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < urb->number_of_packets; i++) { 3569bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int offset = urb->iso_frame_desc[i].offset; 3579bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int length = urb->iso_frame_desc[i].actual_length; 3589bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3599bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (urb->iso_frame_desc[i].status) 3609bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 3619bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3629bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += length; 3639bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3649bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, 3659bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer + offset, 3669bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann length) < 0) { 3679bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s corrupted SCO packet", hdev->name); 3689bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.err_rx++; 3699bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 3709bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 3719bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 3729bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3739bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) 3749bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 3759bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_anchor_urb(urb, &data->isoc_anchor); 3779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3789bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 3799bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 3809bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s urb %p failed to resubmit (%d)", 3819bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->name, urb, -err); 3829bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_unanchor_urb(urb); 3839bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 3849bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 3859bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3869bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmannstatic void inline __fill_isoc_descriptor(struct urb *urb, int len, int mtu) 3879bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 3889bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, offset = 0; 3899bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3909bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("len %d mtu %d", len, mtu); 3919bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3929bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; 3939bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann i++, offset += mtu, len -= mtu) { 3949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].offset = offset; 3959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].length = mtu; 3969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 3979bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3989bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (len && i < BTUSB_MAX_ISOC_FRAMES) { 3999bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].offset = offset; 4009bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].length = len; 4019bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann i++; 4029bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4039bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4049bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->number_of_packets = i; 4059bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 4069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4072eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) 4089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 4099bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct btusb_data *data = hdev->driver_data; 4109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct urb *urb; 4119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned char *buf; 4129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int pipe; 4139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int err, size; 4149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("%s", hdev->name); 4169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_rx_ep) 4189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 4199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4202eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); 4219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!urb) 4229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 4239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * 4259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BTUSB_MAX_ISOC_FRAMES; 4269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4272eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 4289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!buf) { 4299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_free_urb(urb); 4309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 4319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); 4349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4359bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->dev = data->udev; 4369bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->pipe = pipe; 4379bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->context = hdev; 4389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->complete = btusb_isoc_complete; 4399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->interval = data->isoc_rx_ep->bInterval; 4409bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4419bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; 4429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer = buf; 4439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer_length = size; 4449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __fill_isoc_descriptor(urb, size, 4469bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); 4479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4489bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_anchor_urb(urb, &data->isoc_anchor); 4499bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4502eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 4519bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 4529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s urb %p submission failed (%d)", 4539bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->name, urb, -err); 4549bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_unanchor_urb(urb); 4559bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4569bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4579bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_free_urb(urb); 4589bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4599bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 4609bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 4619bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_tx_complete(struct urb *urb) 4635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 4645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct sk_buff *skb = urb->context; 4655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = (struct hci_dev *) skb->dev; 4665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 4685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 4695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 4715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann goto done; 4725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb->status) 4745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.byte_tx += urb->transfer_buffer_length; 4755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann else 4765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_tx++; 4775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmanndone: 4795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(urb->setup_packet); 4805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree_skb(skb); 4825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 4835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_open(struct hci_dev *hdev) 4855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 4865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 4875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 4885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 4905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) 4925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 4935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) 4955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 4965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4972eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = btusb_submit_intr_urb(hdev, GFP_KERNEL); 49843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (err < 0) 49943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann goto failed; 50043c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 50143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); 5025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 50343c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann usb_kill_anchored_urbs(&data->intr_anchor); 50443c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann goto failed; 5055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 5065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 50743c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann set_bit(BTUSB_BULK_RUNNING, &data->flags); 50843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann btusb_submit_bulk_urb(hdev, GFP_KERNEL); 50943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 51043c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann return 0; 51143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 51243c2e57f94c15744495fee564610aa24602b3824Marcel Holtmannfailed: 51343c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 51443c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann clear_bit(HCI_RUNNING, &hdev->flags); 5155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 5165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 5175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_close(struct hci_dev *hdev) 5195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 5205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 5215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 5235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) 5255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 5265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 527e8c3c3d22b340a406a9aab1b7a9f436636c3de9dMarcel Holtmann cancel_work_sync(&data->work); 528e8c3c3d22b340a406a9aab1b7a9f436636c3de9dMarcel Holtmann 5299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 530e8c3c3d22b340a406a9aab1b7a9f436636c3de9dMarcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 5319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann clear_bit(BTUSB_BULK_RUNNING, &data->flags); 5335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_kill_anchored_urbs(&data->bulk_anchor); 5345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 5365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_kill_anchored_urbs(&data->intr_anchor); 5375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 5395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 5405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_flush(struct hci_dev *hdev) 5425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 5435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 5445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 5465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_kill_anchored_urbs(&data->tx_anchor); 5485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 5505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 5515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_send_frame(struct sk_buff *skb) 5535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 5545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = (struct hci_dev *) skb->dev; 5555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 5565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_ctrlrequest *dr; 5575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 5585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 5595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 5605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 5625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 5645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -EBUSY; 5655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann switch (bt_cb(skb)->pkt_type) { 5675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_COMMAND_PKT: 5685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb = usb_alloc_urb(0, GFP_ATOMIC); 5695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 5705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 5715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr = kmalloc(sizeof(*dr), GFP_ATOMIC); 5735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!dr) { 5745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 5755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 5765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 5775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5787a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann dr->bRequestType = data->cmdreq_type; 5795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->bRequest = 0; 5805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wIndex = 0; 5815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wValue = 0; 5825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wLength = __cpu_to_le16(skb->len); 5835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_sndctrlpipe(data->udev, 0x00); 5855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, 5875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann skb->data, skb->len, btusb_tx_complete, skb); 5885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.cmd_tx++; 5905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann break; 5915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_ACLDATA_PKT: 5939bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->bulk_tx_ep || hdev->conn_hash.acl_num < 1) 5949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 5959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb = usb_alloc_urb(0, GFP_ATOMIC); 5975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 5985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 5995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_sndbulkpipe(data->udev, 6015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_tx_ep->bEndpointAddress); 6025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_bulk_urb(urb, data->udev, pipe, 6045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann skb->data, skb->len, btusb_tx_complete, skb); 6055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.acl_tx++; 6075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann break; 6085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_SCODATA_PKT: 6109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) 6119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 6129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); 6149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!urb) 6159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 6169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann pipe = usb_sndisocpipe(data->udev, 6189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep->bEndpointAddress); 6199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->dev = data->udev; 6219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->pipe = pipe; 6229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->context = skb; 6239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->complete = btusb_tx_complete; 6249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->interval = data->isoc_tx_ep->bInterval; 6259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_flags = URB_ISO_ASAP; 6279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer = skb->data; 6289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer_length = skb->len; 6299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __fill_isoc_descriptor(urb, skb->len, 6319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); 6329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.sco_tx++; 6349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann break; 6355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann default: 6375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -EILSEQ; 6385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 6395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->tx_anchor); 6415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 6435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 6445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p submission failed", hdev->name, urb); 6455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(urb->setup_packet); 6465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 6475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 6485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 6505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 6525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_destruct(struct hci_dev *hdev) 6555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 6565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 6575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 6615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_notify(struct hci_dev *hdev, unsigned int evt) 6645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 6655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 6665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s evt %d", hdev->name, evt); 6685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 66943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (hdev->conn_hash.sco_num != data->sco_num) { 67043c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann data->sco_num = hdev->conn_hash.sco_num; 67143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann schedule_work(&data->work); 672a780efa8124fe7ef23d8ef844d56afe960356615Marcel Holtmann } 6735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6759bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmannstatic int inline __set_isoc_interface(struct hci_dev *hdev, int altsetting) 6769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 6779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct btusb_data *data = hdev->driver_data; 6789bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_interface *intf = data->isoc; 6799bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *ep_desc; 6809bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, err; 6819bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6829bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc) 6839bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 6849bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6859bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_set_interface(data->udev, 1, altsetting); 6869bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 6879bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s setting interface failed (%d)", hdev->name, -err); 6889bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 6899bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 6909bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6919bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_altsetting = altsetting; 6929bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6939bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep = NULL; 6949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_rx_ep = NULL; 6959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 6979bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann ep_desc = &intf->cur_altsetting->endpoint[i].desc; 6989bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 6999bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { 7009bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep = ep_desc; 7019bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 7029bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 7039bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7049bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { 7059bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_rx_ep = ep_desc; 7069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 7079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 7089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 7099bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep || !data->isoc_rx_ep) { 7119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s invalid SCO descriptors", hdev->name); 7129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 7139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 7149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return 0; 7169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 7179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_work(struct work_struct *work) 7195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 7205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = container_of(work, struct btusb_data, work); 7215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = data->hdev; 7225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (hdev->conn_hash.sco_num > 0) { 7249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (data->isoc_altsetting != 2) { 7259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 7269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 7279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (__set_isoc_interface(hdev, 2) < 0) 7299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 7309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 7319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 7332eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) 7349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 7359bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann else 7362eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann btusb_submit_isoc_urb(hdev, GFP_KERNEL); 7379bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 7389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } else { 7399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 7409bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 7419bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __set_isoc_interface(hdev, 0); 7435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 7455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_probe(struct usb_interface *intf, 7475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann const struct usb_device_id *id) 7485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 7495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *ep_desc; 7505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data; 7515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 7525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int i, err; 7535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("intf %p id %p", intf, id); 7555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 756cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* interface numbers are hardcoded in the spec */ 7575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (intf->cur_altsetting->desc.bInterfaceNumber != 0) 7585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENODEV; 7595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!id->driver_info) { 7615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann const struct usb_device_id *match; 7625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann match = usb_match_id(intf, blacklist_table); 7635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (match) 7645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann id = match; 7655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 767cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info == BTUSB_IGNORE) 768cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 769cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 770cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) 771cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 772cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 773cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_csr && id->driver_info & BTUSB_CSR) 774cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 775cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 776cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) 777cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 778cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 7795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data = kzalloc(sizeof(*data), GFP_KERNEL); 7805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data) 7815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 7825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 7845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann ep_desc = &intf->cur_altsetting->endpoint[i].desc; 7855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { 7875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->intr_ep = ep_desc; 7885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 7895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 7925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_tx_ep = ep_desc; 7935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 7945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 7975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_rx_ep = ep_desc; 7985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 7995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 8005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 8015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { 8035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 8045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENODEV; 8055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 8065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8077a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann data->cmdreq_type = USB_TYPE_CLASS; 8087a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 8095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->udev = interface_to_usbdev(intf); 8105fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann data->intf = intf; 8115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann spin_lock_init(&data->lock); 8135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann INIT_WORK(&data->work, btusb_work); 8155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->tx_anchor); 8175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->intr_anchor); 8185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->bulk_anchor); 8199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann init_usb_anchor(&data->isoc_anchor); 8205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev = hci_alloc_dev(); 8225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!hdev) { 8235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 8245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 8255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 8265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->type = HCI_USB; 8285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->driver_data = data; 8295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->hdev = hdev; 8315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann SET_HCIDEV_DEV(hdev, &intf->dev); 8335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->open = btusb_open; 8355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->close = btusb_close; 8365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->flush = btusb_flush; 8375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->send = btusb_send_frame; 8385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->destruct = btusb_destruct; 8395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->notify = btusb_notify; 8405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->owner = THIS_MODULE; 8425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8437a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Interface numbers are hardcoded in the specification */ 8449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = usb_ifnum_to_if(data->udev, 1); 8459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8467a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (!reset) 8477a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 848cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 849cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { 850cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (!disable_scofix) 851cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); 852cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 853cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 8549bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (id->driver_info & BTUSB_BROKEN_ISOC) 8559bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = NULL; 8569bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8577a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (id->driver_info & BTUSB_DIGIANSWER) { 8587a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann data->cmdreq_type = USB_TYPE_VENDOR; 8597a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 8607a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann } 8617a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 8627a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (id->driver_info & BTUSB_CSR) { 8637a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann struct usb_device *udev = data->udev; 8647a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 8657a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Old firmware would otherwise execute USB reset */ 8667a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) 8677a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 8687a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann } 8697a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 870cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info & BTUSB_SNIFFER) { 8719bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_device *udev = data->udev; 872cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 8737a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* New sniffer firmware has crippled HCI interface */ 874cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) 875cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 8769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = NULL; 878cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 879cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 880cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info & BTUSB_BCM92035) { 881cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; 882cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann struct sk_buff *skb; 883cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 884cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); 885cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (skb) { 886cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); 887cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann skb_queue_tail(&hdev->driver_init, skb); 888cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 889cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 8905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8919bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (data->isoc) { 8929bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_driver_claim_interface(&btusb_driver, 8935fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann data->isoc, data); 8949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 8959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hci_free_dev(hdev); 8969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann kfree(data); 8979bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 8989bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8999bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 9009bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 9015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = hci_register_dev(hdev); 9025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 9035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_free_dev(hdev); 9045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 9055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 9065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_set_intfdata(intf, data); 9095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 9115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 9125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_disconnect(struct usb_interface *intf) 9145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 9155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 9165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 9175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("intf %p", intf); 9195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data) 9215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 9225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev = data->hdev; 9245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9255fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann __hci_dev_hold(hdev); 9269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 9275fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_set_intfdata(data->intf, NULL); 9285fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 9295fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann if (data->isoc) 9305fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_set_intfdata(data->isoc, NULL); 9315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_unregister_dev(hdev); 9335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9345fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann if (intf == data->isoc) 9355fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_driver_release_interface(&btusb_driver, data->intf); 9365fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann else if (data->isoc) 9375fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_driver_release_interface(&btusb_driver, data->isoc); 9385fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 9395fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann __hci_dev_put(hdev); 9405fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 9415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_free_dev(hdev); 9425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 9435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9446a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmannstatic int btusb_suspend(struct usb_interface *intf, pm_message_t message) 9456a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann{ 9466a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 9476a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9486a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann BT_DBG("intf %p", intf); 9496a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9506a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (data->suspend_count++) 9516a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 9526a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9536a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann cancel_work_sync(&data->work); 9546a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9556a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann usb_kill_anchored_urbs(&data->tx_anchor); 9566a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9576a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 9586a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann usb_kill_anchored_urbs(&data->bulk_anchor); 9596a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann usb_kill_anchored_urbs(&data->intr_anchor); 9606a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9616a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 9626a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann} 9636a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9646a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmannstatic int btusb_resume(struct usb_interface *intf) 9656a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann{ 9666a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 9676a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct hci_dev *hdev = data->hdev; 9686a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann int err; 9696a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9706a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann BT_DBG("intf %p", intf); 9716a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9726a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (--data->suspend_count) 9736a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 9746a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9756a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 9766a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 9776a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9786a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { 9796a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann err = btusb_submit_intr_urb(hdev, GFP_NOIO); 9806a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (err < 0) { 9816a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 9826a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return err; 9836a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 9846a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 9856a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9866a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { 98743c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann err = btusb_submit_bulk_urb(hdev, GFP_NOIO); 98843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (err < 0) { 9896a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_BULK_RUNNING, &data->flags); 99043c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann return err; 99143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann } else 9926a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann btusb_submit_bulk_urb(hdev, GFP_NOIO); 9936a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 9946a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 9956a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 9966a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) 9976a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 9986a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann else 9996a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann btusb_submit_isoc_urb(hdev, GFP_NOIO); 10006a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 10016a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 10026a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 10036a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann} 10046a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 10055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_driver btusb_driver = { 10065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .name = "btusb", 10075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .probe = btusb_probe, 10085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .disconnect = btusb_disconnect, 10096a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann .suspend = btusb_suspend, 10106a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann .resume = btusb_resume, 10115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .id_table = btusb_table, 10125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 10135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int __init btusb_init(void) 10155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 10165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); 10175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return usb_register(&btusb_driver); 10195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 10205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void __exit btusb_exit(void) 10225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 10235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_deregister(&btusb_driver); 10245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 10255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannmodule_init(btusb_init); 10275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannmodule_exit(btusb_exit); 10285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1029cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_dga, bool, 0644); 1030cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); 1031cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1032cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_csr, bool, 0644); 1033cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); 1034cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1035cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_sniffer, bool, 0644); 1036cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); 1037cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1038cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(disable_scofix, bool, 0644); 1039cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); 1040cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1041cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(force_scofix, bool, 0644); 1042cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); 1043cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1044cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(reset, bool, 0644); 1045cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); 1046cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 10475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 10485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); 10495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_VERSION(VERSION); 10505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_LICENSE("GPL"); 1051