Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Generic Bluetooth USB driver |
| 4 | * |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 6 | * |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <linux/kernel.h> |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/init.h> |
| 27 | #include <linux/slab.h> |
| 28 | #include <linux/types.h> |
| 29 | #include <linux/sched.h> |
| 30 | #include <linux/errno.h> |
| 31 | #include <linux/skbuff.h> |
| 32 | |
| 33 | #include <linux/usb.h> |
| 34 | |
| 35 | #include <net/bluetooth/bluetooth.h> |
| 36 | #include <net/bluetooth/hci_core.h> |
| 37 | |
| 38 | //#define CONFIG_BT_HCIBTUSB_DEBUG |
| 39 | #ifndef CONFIG_BT_HCIBTUSB_DEBUG |
| 40 | #undef BT_DBG |
| 41 | #define BT_DBG(D...) |
| 42 | #endif |
| 43 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 44 | #define VERSION "0.4" |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 45 | |
| 46 | static int ignore_dga; |
| 47 | static int ignore_csr; |
| 48 | static int ignore_sniffer; |
| 49 | static int disable_scofix; |
| 50 | static int force_scofix; |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 51 | |
| 52 | static int reset = 1; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 53 | |
| 54 | static struct usb_driver btusb_driver; |
| 55 | |
| 56 | #define BTUSB_IGNORE 0x01 |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 57 | #define BTUSB_DIGIANSWER 0x02 |
| 58 | #define BTUSB_CSR 0x04 |
| 59 | #define BTUSB_SNIFFER 0x08 |
| 60 | #define BTUSB_BCM92035 0x10 |
| 61 | #define BTUSB_BROKEN_ISOC 0x20 |
| 62 | #define BTUSB_WRONG_SCO_MTU 0x40 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 63 | |
| 64 | static struct usb_device_id btusb_table[] = { |
| 65 | /* Generic Bluetooth USB device */ |
| 66 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, |
| 67 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 68 | /* AVM BlueFRITZ! USB v2.0 */ |
| 69 | { USB_DEVICE(0x057c, 0x3800) }, |
| 70 | |
| 71 | /* Bluetooth Ultraport Module from IBM */ |
| 72 | { USB_DEVICE(0x04bf, 0x030a) }, |
| 73 | |
| 74 | /* ALPS Modules with non-standard id */ |
| 75 | { USB_DEVICE(0x044e, 0x3001) }, |
| 76 | { USB_DEVICE(0x044e, 0x3002) }, |
| 77 | |
| 78 | /* Ericsson with non-standard id */ |
| 79 | { USB_DEVICE(0x0bdb, 0x1002) }, |
| 80 | |
| 81 | /* Canyon CN-BTU1 with HID interfaces */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 82 | { USB_DEVICE(0x0c10, 0x0000) }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 83 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 84 | { } /* Terminating entry */ |
| 85 | }; |
| 86 | |
| 87 | MODULE_DEVICE_TABLE(usb, btusb_table); |
| 88 | |
| 89 | static struct usb_device_id blacklist_table[] = { |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 90 | /* CSR BlueCore devices */ |
| 91 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, |
| 92 | |
| 93 | /* Broadcom BCM2033 without firmware */ |
| 94 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, |
| 95 | |
| 96 | /* Broadcom BCM2035 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 97 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 98 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 99 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 100 | |
| 101 | /* Broadcom BCM2045 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 102 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 103 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | bdbef3d | 2008-09-23 00:16:35 +0200 | [diff] [blame] | 104 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 105 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 106 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 107 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 108 | |
| 109 | /* HP laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 110 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 111 | |
| 112 | /* Dell laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 113 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 114 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame^] | 115 | /* Dell Wireless 370 and 410 devices */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 116 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame^] | 117 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 118 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 119 | /* Belkin F8T012 and F8T013 devices */ |
| 120 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 121 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 122 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame^] | 123 | /* Asus WL-BTD202 device */ |
| 124 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 125 | |
| 126 | /* Kensington Bluetooth USB adapter */ |
| 127 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 128 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 129 | /* RTX Telecom based adapters with buggy SCO support */ |
| 130 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, |
| 131 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, |
| 132 | |
| 133 | /* CONWISE Technology based adapters with buggy SCO support */ |
| 134 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, |
| 135 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 136 | /* Digianswer devices */ |
| 137 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, |
| 138 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, |
| 139 | |
| 140 | /* CSR BlueCore Bluetooth Sniffer */ |
| 141 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, |
| 142 | |
| 143 | /* Frontline ComProbe Bluetooth Sniffer */ |
| 144 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, |
| 145 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 146 | { } /* Terminating entry */ |
| 147 | }; |
| 148 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 149 | #define BTUSB_MAX_ISOC_FRAMES 10 |
| 150 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 151 | #define BTUSB_INTR_RUNNING 0 |
| 152 | #define BTUSB_BULK_RUNNING 1 |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 153 | #define BTUSB_ISOC_RUNNING 2 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 154 | |
| 155 | struct btusb_data { |
| 156 | struct hci_dev *hdev; |
| 157 | struct usb_device *udev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 158 | struct usb_interface *intf; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 159 | struct usb_interface *isoc; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 160 | |
| 161 | spinlock_t lock; |
| 162 | |
| 163 | unsigned long flags; |
| 164 | |
| 165 | struct work_struct work; |
| 166 | |
| 167 | struct usb_anchor tx_anchor; |
| 168 | struct usb_anchor intr_anchor; |
| 169 | struct usb_anchor bulk_anchor; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 170 | struct usb_anchor isoc_anchor; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 171 | |
| 172 | struct usb_endpoint_descriptor *intr_ep; |
| 173 | struct usb_endpoint_descriptor *bulk_tx_ep; |
| 174 | struct usb_endpoint_descriptor *bulk_rx_ep; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 175 | struct usb_endpoint_descriptor *isoc_tx_ep; |
| 176 | struct usb_endpoint_descriptor *isoc_rx_ep; |
| 177 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 178 | __u8 cmdreq_type; |
| 179 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 180 | int isoc_altsetting; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 181 | int suspend_count; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 182 | }; |
| 183 | |
| 184 | static void btusb_intr_complete(struct urb *urb) |
| 185 | { |
| 186 | struct hci_dev *hdev = urb->context; |
| 187 | struct btusb_data *data = hdev->driver_data; |
| 188 | int err; |
| 189 | |
| 190 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 191 | urb, urb->status, urb->actual_length); |
| 192 | |
| 193 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 194 | return; |
| 195 | |
| 196 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 197 | hdev->stat.byte_rx += urb->actual_length; |
| 198 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 199 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
| 200 | urb->transfer_buffer, |
| 201 | urb->actual_length) < 0) { |
| 202 | BT_ERR("%s corrupted event packet", hdev->name); |
| 203 | hdev->stat.err_rx++; |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) |
| 208 | return; |
| 209 | |
| 210 | usb_anchor_urb(urb, &data->intr_anchor); |
| 211 | |
| 212 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 213 | if (err < 0) { |
| 214 | BT_ERR("%s urb %p failed to resubmit (%d)", |
| 215 | hdev->name, urb, -err); |
| 216 | usb_unanchor_urb(urb); |
| 217 | } |
| 218 | } |
| 219 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 220 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 221 | { |
| 222 | struct btusb_data *data = hdev->driver_data; |
| 223 | struct urb *urb; |
| 224 | unsigned char *buf; |
| 225 | unsigned int pipe; |
| 226 | int err, size; |
| 227 | |
| 228 | BT_DBG("%s", hdev->name); |
| 229 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 230 | if (!data->intr_ep) |
| 231 | return -ENODEV; |
| 232 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 233 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 234 | if (!urb) |
| 235 | return -ENOMEM; |
| 236 | |
| 237 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); |
| 238 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 239 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 240 | if (!buf) { |
| 241 | usb_free_urb(urb); |
| 242 | return -ENOMEM; |
| 243 | } |
| 244 | |
| 245 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); |
| 246 | |
| 247 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, |
| 248 | btusb_intr_complete, hdev, |
| 249 | data->intr_ep->bInterval); |
| 250 | |
| 251 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 252 | |
| 253 | usb_anchor_urb(urb, &data->intr_anchor); |
| 254 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 255 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 256 | if (err < 0) { |
| 257 | BT_ERR("%s urb %p submission failed (%d)", |
| 258 | hdev->name, urb, -err); |
| 259 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 260 | } |
| 261 | |
| 262 | usb_free_urb(urb); |
| 263 | |
| 264 | return err; |
| 265 | } |
| 266 | |
| 267 | static void btusb_bulk_complete(struct urb *urb) |
| 268 | { |
| 269 | struct hci_dev *hdev = urb->context; |
| 270 | struct btusb_data *data = hdev->driver_data; |
| 271 | int err; |
| 272 | |
| 273 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 274 | urb, urb->status, urb->actual_length); |
| 275 | |
| 276 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 277 | return; |
| 278 | |
| 279 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 280 | hdev->stat.byte_rx += urb->actual_length; |
| 281 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 282 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
| 283 | urb->transfer_buffer, |
| 284 | urb->actual_length) < 0) { |
| 285 | BT_ERR("%s corrupted ACL packet", hdev->name); |
| 286 | hdev->stat.err_rx++; |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) |
| 291 | return; |
| 292 | |
| 293 | usb_anchor_urb(urb, &data->bulk_anchor); |
| 294 | |
| 295 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 296 | if (err < 0) { |
| 297 | BT_ERR("%s urb %p failed to resubmit (%d)", |
| 298 | hdev->name, urb, -err); |
| 299 | usb_unanchor_urb(urb); |
| 300 | } |
| 301 | } |
| 302 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 303 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 304 | { |
| 305 | struct btusb_data *data = hdev->driver_data; |
| 306 | struct urb *urb; |
| 307 | unsigned char *buf; |
| 308 | unsigned int pipe; |
| 309 | int err, size; |
| 310 | |
| 311 | BT_DBG("%s", hdev->name); |
| 312 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 313 | if (!data->bulk_rx_ep) |
| 314 | return -ENODEV; |
| 315 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 316 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 317 | if (!urb) |
| 318 | return -ENOMEM; |
| 319 | |
| 320 | size = le16_to_cpu(data->bulk_rx_ep->wMaxPacketSize); |
| 321 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 322 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 323 | if (!buf) { |
| 324 | usb_free_urb(urb); |
| 325 | return -ENOMEM; |
| 326 | } |
| 327 | |
| 328 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); |
| 329 | |
| 330 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 331 | buf, size, btusb_bulk_complete, hdev); |
| 332 | |
| 333 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 334 | |
| 335 | usb_anchor_urb(urb, &data->bulk_anchor); |
| 336 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 337 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 338 | if (err < 0) { |
| 339 | BT_ERR("%s urb %p submission failed (%d)", |
| 340 | hdev->name, urb, -err); |
| 341 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | usb_free_urb(urb); |
| 345 | |
| 346 | return err; |
| 347 | } |
| 348 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 349 | static void btusb_isoc_complete(struct urb *urb) |
| 350 | { |
| 351 | struct hci_dev *hdev = urb->context; |
| 352 | struct btusb_data *data = hdev->driver_data; |
| 353 | int i, err; |
| 354 | |
| 355 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 356 | urb, urb->status, urb->actual_length); |
| 357 | |
| 358 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 359 | return; |
| 360 | |
| 361 | if (urb->status == 0) { |
| 362 | for (i = 0; i < urb->number_of_packets; i++) { |
| 363 | unsigned int offset = urb->iso_frame_desc[i].offset; |
| 364 | unsigned int length = urb->iso_frame_desc[i].actual_length; |
| 365 | |
| 366 | if (urb->iso_frame_desc[i].status) |
| 367 | continue; |
| 368 | |
| 369 | hdev->stat.byte_rx += length; |
| 370 | |
| 371 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, |
| 372 | urb->transfer_buffer + offset, |
| 373 | length) < 0) { |
| 374 | BT_ERR("%s corrupted SCO packet", hdev->name); |
| 375 | hdev->stat.err_rx++; |
| 376 | } |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) |
| 381 | return; |
| 382 | |
| 383 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 384 | |
| 385 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 386 | if (err < 0) { |
| 387 | BT_ERR("%s urb %p failed to resubmit (%d)", |
| 388 | hdev->name, urb, -err); |
| 389 | usb_unanchor_urb(urb); |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | static void inline __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
| 394 | { |
| 395 | int i, offset = 0; |
| 396 | |
| 397 | BT_DBG("len %d mtu %d", len, mtu); |
| 398 | |
| 399 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; |
| 400 | i++, offset += mtu, len -= mtu) { |
| 401 | urb->iso_frame_desc[i].offset = offset; |
| 402 | urb->iso_frame_desc[i].length = mtu; |
| 403 | } |
| 404 | |
| 405 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
| 406 | urb->iso_frame_desc[i].offset = offset; |
| 407 | urb->iso_frame_desc[i].length = len; |
| 408 | i++; |
| 409 | } |
| 410 | |
| 411 | urb->number_of_packets = i; |
| 412 | } |
| 413 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 414 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 415 | { |
| 416 | struct btusb_data *data = hdev->driver_data; |
| 417 | struct urb *urb; |
| 418 | unsigned char *buf; |
| 419 | unsigned int pipe; |
| 420 | int err, size; |
| 421 | |
| 422 | BT_DBG("%s", hdev->name); |
| 423 | |
| 424 | if (!data->isoc_rx_ep) |
| 425 | return -ENODEV; |
| 426 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 427 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 428 | if (!urb) |
| 429 | return -ENOMEM; |
| 430 | |
| 431 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * |
| 432 | BTUSB_MAX_ISOC_FRAMES; |
| 433 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 434 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 435 | if (!buf) { |
| 436 | usb_free_urb(urb); |
| 437 | return -ENOMEM; |
| 438 | } |
| 439 | |
| 440 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); |
| 441 | |
| 442 | urb->dev = data->udev; |
| 443 | urb->pipe = pipe; |
| 444 | urb->context = hdev; |
| 445 | urb->complete = btusb_isoc_complete; |
| 446 | urb->interval = data->isoc_rx_ep->bInterval; |
| 447 | |
| 448 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
| 449 | urb->transfer_buffer = buf; |
| 450 | urb->transfer_buffer_length = size; |
| 451 | |
| 452 | __fill_isoc_descriptor(urb, size, |
| 453 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
| 454 | |
| 455 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 456 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 457 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 458 | if (err < 0) { |
| 459 | BT_ERR("%s urb %p submission failed (%d)", |
| 460 | hdev->name, urb, -err); |
| 461 | usb_unanchor_urb(urb); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 462 | } |
| 463 | |
| 464 | usb_free_urb(urb); |
| 465 | |
| 466 | return err; |
| 467 | } |
| 468 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 469 | static void btusb_tx_complete(struct urb *urb) |
| 470 | { |
| 471 | struct sk_buff *skb = urb->context; |
| 472 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
| 473 | |
| 474 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 475 | urb, urb->status, urb->actual_length); |
| 476 | |
| 477 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 478 | goto done; |
| 479 | |
| 480 | if (!urb->status) |
| 481 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 482 | else |
| 483 | hdev->stat.err_tx++; |
| 484 | |
| 485 | done: |
| 486 | kfree(urb->setup_packet); |
| 487 | |
| 488 | kfree_skb(skb); |
| 489 | } |
| 490 | |
| 491 | static int btusb_open(struct hci_dev *hdev) |
| 492 | { |
| 493 | struct btusb_data *data = hdev->driver_data; |
| 494 | int err; |
| 495 | |
| 496 | BT_DBG("%s", hdev->name); |
| 497 | |
| 498 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
| 499 | return 0; |
| 500 | |
| 501 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
| 502 | return 0; |
| 503 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 504 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 505 | if (err < 0) { |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 506 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 507 | clear_bit(HCI_RUNNING, &hdev->flags); |
| 508 | } |
| 509 | |
| 510 | return err; |
| 511 | } |
| 512 | |
| 513 | static int btusb_close(struct hci_dev *hdev) |
| 514 | { |
| 515 | struct btusb_data *data = hdev->driver_data; |
| 516 | |
| 517 | BT_DBG("%s", hdev->name); |
| 518 | |
| 519 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
| 520 | return 0; |
| 521 | |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 522 | cancel_work_sync(&data->work); |
| 523 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 524 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 525 | usb_kill_anchored_urbs(&data->isoc_anchor); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 526 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 527 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
| 528 | usb_kill_anchored_urbs(&data->bulk_anchor); |
| 529 | |
| 530 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
| 531 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 532 | |
| 533 | return 0; |
| 534 | } |
| 535 | |
| 536 | static int btusb_flush(struct hci_dev *hdev) |
| 537 | { |
| 538 | struct btusb_data *data = hdev->driver_data; |
| 539 | |
| 540 | BT_DBG("%s", hdev->name); |
| 541 | |
| 542 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 543 | |
| 544 | return 0; |
| 545 | } |
| 546 | |
| 547 | static int btusb_send_frame(struct sk_buff *skb) |
| 548 | { |
| 549 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
| 550 | struct btusb_data *data = hdev->driver_data; |
| 551 | struct usb_ctrlrequest *dr; |
| 552 | struct urb *urb; |
| 553 | unsigned int pipe; |
| 554 | int err; |
| 555 | |
| 556 | BT_DBG("%s", hdev->name); |
| 557 | |
| 558 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 559 | return -EBUSY; |
| 560 | |
| 561 | switch (bt_cb(skb)->pkt_type) { |
| 562 | case HCI_COMMAND_PKT: |
| 563 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 564 | if (!urb) |
| 565 | return -ENOMEM; |
| 566 | |
| 567 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); |
| 568 | if (!dr) { |
| 569 | usb_free_urb(urb); |
| 570 | return -ENOMEM; |
| 571 | } |
| 572 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 573 | dr->bRequestType = data->cmdreq_type; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 574 | dr->bRequest = 0; |
| 575 | dr->wIndex = 0; |
| 576 | dr->wValue = 0; |
| 577 | dr->wLength = __cpu_to_le16(skb->len); |
| 578 | |
| 579 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
| 580 | |
| 581 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, |
| 582 | skb->data, skb->len, btusb_tx_complete, skb); |
| 583 | |
| 584 | hdev->stat.cmd_tx++; |
| 585 | break; |
| 586 | |
| 587 | case HCI_ACLDATA_PKT: |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 588 | if (!data->bulk_tx_ep || hdev->conn_hash.acl_num < 1) |
| 589 | return -ENODEV; |
| 590 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 591 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 592 | if (!urb) |
| 593 | return -ENOMEM; |
| 594 | |
| 595 | pipe = usb_sndbulkpipe(data->udev, |
| 596 | data->bulk_tx_ep->bEndpointAddress); |
| 597 | |
| 598 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 599 | skb->data, skb->len, btusb_tx_complete, skb); |
| 600 | |
| 601 | hdev->stat.acl_tx++; |
| 602 | break; |
| 603 | |
| 604 | case HCI_SCODATA_PKT: |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 605 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
| 606 | return -ENODEV; |
| 607 | |
| 608 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); |
| 609 | if (!urb) |
| 610 | return -ENOMEM; |
| 611 | |
| 612 | pipe = usb_sndisocpipe(data->udev, |
| 613 | data->isoc_tx_ep->bEndpointAddress); |
| 614 | |
| 615 | urb->dev = data->udev; |
| 616 | urb->pipe = pipe; |
| 617 | urb->context = skb; |
| 618 | urb->complete = btusb_tx_complete; |
| 619 | urb->interval = data->isoc_tx_ep->bInterval; |
| 620 | |
| 621 | urb->transfer_flags = URB_ISO_ASAP; |
| 622 | urb->transfer_buffer = skb->data; |
| 623 | urb->transfer_buffer_length = skb->len; |
| 624 | |
| 625 | __fill_isoc_descriptor(urb, skb->len, |
| 626 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); |
| 627 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 628 | hdev->stat.sco_tx++; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 629 | break; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 630 | |
| 631 | default: |
| 632 | return -EILSEQ; |
| 633 | } |
| 634 | |
| 635 | usb_anchor_urb(urb, &data->tx_anchor); |
| 636 | |
| 637 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 638 | if (err < 0) { |
| 639 | BT_ERR("%s urb %p submission failed", hdev->name, urb); |
| 640 | kfree(urb->setup_packet); |
| 641 | usb_unanchor_urb(urb); |
| 642 | } |
| 643 | |
| 644 | usb_free_urb(urb); |
| 645 | |
| 646 | return err; |
| 647 | } |
| 648 | |
| 649 | static void btusb_destruct(struct hci_dev *hdev) |
| 650 | { |
| 651 | struct btusb_data *data = hdev->driver_data; |
| 652 | |
| 653 | BT_DBG("%s", hdev->name); |
| 654 | |
| 655 | kfree(data); |
| 656 | } |
| 657 | |
| 658 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
| 659 | { |
| 660 | struct btusb_data *data = hdev->driver_data; |
| 661 | |
| 662 | BT_DBG("%s evt %d", hdev->name, evt); |
| 663 | |
Marcel Holtmann | a780efa | 2008-11-30 12:17:12 +0100 | [diff] [blame] | 664 | if (hdev->conn_hash.acl_num > 0) { |
| 665 | if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) { |
| 666 | if (btusb_submit_bulk_urb(hdev, GFP_ATOMIC) < 0) |
| 667 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
| 668 | else |
| 669 | btusb_submit_bulk_urb(hdev, GFP_ATOMIC); |
| 670 | } |
| 671 | } else { |
| 672 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
| 673 | usb_unlink_anchored_urbs(&data->bulk_anchor); |
| 674 | } |
| 675 | |
| 676 | schedule_work(&data->work); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 677 | } |
| 678 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 679 | static int inline __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
| 680 | { |
| 681 | struct btusb_data *data = hdev->driver_data; |
| 682 | struct usb_interface *intf = data->isoc; |
| 683 | struct usb_endpoint_descriptor *ep_desc; |
| 684 | int i, err; |
| 685 | |
| 686 | if (!data->isoc) |
| 687 | return -ENODEV; |
| 688 | |
| 689 | err = usb_set_interface(data->udev, 1, altsetting); |
| 690 | if (err < 0) { |
| 691 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); |
| 692 | return err; |
| 693 | } |
| 694 | |
| 695 | data->isoc_altsetting = altsetting; |
| 696 | |
| 697 | data->isoc_tx_ep = NULL; |
| 698 | data->isoc_rx_ep = NULL; |
| 699 | |
| 700 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 701 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 702 | |
| 703 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { |
| 704 | data->isoc_tx_ep = ep_desc; |
| 705 | continue; |
| 706 | } |
| 707 | |
| 708 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { |
| 709 | data->isoc_rx_ep = ep_desc; |
| 710 | continue; |
| 711 | } |
| 712 | } |
| 713 | |
| 714 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { |
| 715 | BT_ERR("%s invalid SCO descriptors", hdev->name); |
| 716 | return -ENODEV; |
| 717 | } |
| 718 | |
| 719 | return 0; |
| 720 | } |
| 721 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 722 | static void btusb_work(struct work_struct *work) |
| 723 | { |
| 724 | struct btusb_data *data = container_of(work, struct btusb_data, work); |
| 725 | struct hci_dev *hdev = data->hdev; |
| 726 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 727 | if (hdev->conn_hash.sco_num > 0) { |
| 728 | if (data->isoc_altsetting != 2) { |
| 729 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 730 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 731 | |
| 732 | if (__set_isoc_interface(hdev, 2) < 0) |
| 733 | return; |
| 734 | } |
| 735 | |
| 736 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 737 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 738 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 739 | else |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 740 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 741 | } |
| 742 | } else { |
| 743 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 744 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 745 | |
| 746 | __set_isoc_interface(hdev, 0); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 747 | } |
| 748 | } |
| 749 | |
| 750 | static int btusb_probe(struct usb_interface *intf, |
| 751 | const struct usb_device_id *id) |
| 752 | { |
| 753 | struct usb_endpoint_descriptor *ep_desc; |
| 754 | struct btusb_data *data; |
| 755 | struct hci_dev *hdev; |
| 756 | int i, err; |
| 757 | |
| 758 | BT_DBG("intf %p id %p", intf, id); |
| 759 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 760 | /* interface numbers are hardcoded in the spec */ |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 761 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
| 762 | return -ENODEV; |
| 763 | |
| 764 | if (!id->driver_info) { |
| 765 | const struct usb_device_id *match; |
| 766 | match = usb_match_id(intf, blacklist_table); |
| 767 | if (match) |
| 768 | id = match; |
| 769 | } |
| 770 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 771 | if (id->driver_info == BTUSB_IGNORE) |
| 772 | return -ENODEV; |
| 773 | |
| 774 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) |
| 775 | return -ENODEV; |
| 776 | |
| 777 | if (ignore_csr && id->driver_info & BTUSB_CSR) |
| 778 | return -ENODEV; |
| 779 | |
| 780 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) |
| 781 | return -ENODEV; |
| 782 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 783 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
| 784 | if (!data) |
| 785 | return -ENOMEM; |
| 786 | |
| 787 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 788 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 789 | |
| 790 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { |
| 791 | data->intr_ep = ep_desc; |
| 792 | continue; |
| 793 | } |
| 794 | |
| 795 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { |
| 796 | data->bulk_tx_ep = ep_desc; |
| 797 | continue; |
| 798 | } |
| 799 | |
| 800 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { |
| 801 | data->bulk_rx_ep = ep_desc; |
| 802 | continue; |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { |
| 807 | kfree(data); |
| 808 | return -ENODEV; |
| 809 | } |
| 810 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 811 | data->cmdreq_type = USB_TYPE_CLASS; |
| 812 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 813 | data->udev = interface_to_usbdev(intf); |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 814 | data->intf = intf; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 815 | |
| 816 | spin_lock_init(&data->lock); |
| 817 | |
| 818 | INIT_WORK(&data->work, btusb_work); |
| 819 | |
| 820 | init_usb_anchor(&data->tx_anchor); |
| 821 | init_usb_anchor(&data->intr_anchor); |
| 822 | init_usb_anchor(&data->bulk_anchor); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 823 | init_usb_anchor(&data->isoc_anchor); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 824 | |
| 825 | hdev = hci_alloc_dev(); |
| 826 | if (!hdev) { |
| 827 | kfree(data); |
| 828 | return -ENOMEM; |
| 829 | } |
| 830 | |
| 831 | hdev->type = HCI_USB; |
| 832 | hdev->driver_data = data; |
| 833 | |
| 834 | data->hdev = hdev; |
| 835 | |
| 836 | SET_HCIDEV_DEV(hdev, &intf->dev); |
| 837 | |
| 838 | hdev->open = btusb_open; |
| 839 | hdev->close = btusb_close; |
| 840 | hdev->flush = btusb_flush; |
| 841 | hdev->send = btusb_send_frame; |
| 842 | hdev->destruct = btusb_destruct; |
| 843 | hdev->notify = btusb_notify; |
| 844 | |
| 845 | hdev->owner = THIS_MODULE; |
| 846 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 847 | /* Interface numbers are hardcoded in the specification */ |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 848 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
| 849 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 850 | if (!reset) |
| 851 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 852 | |
| 853 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { |
| 854 | if (!disable_scofix) |
| 855 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); |
| 856 | } |
| 857 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 858 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
| 859 | data->isoc = NULL; |
| 860 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 861 | if (id->driver_info & BTUSB_DIGIANSWER) { |
| 862 | data->cmdreq_type = USB_TYPE_VENDOR; |
| 863 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); |
| 864 | } |
| 865 | |
| 866 | if (id->driver_info & BTUSB_CSR) { |
| 867 | struct usb_device *udev = data->udev; |
| 868 | |
| 869 | /* Old firmware would otherwise execute USB reset */ |
| 870 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) |
| 871 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); |
| 872 | } |
| 873 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 874 | if (id->driver_info & BTUSB_SNIFFER) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 875 | struct usb_device *udev = data->udev; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 876 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 877 | /* New sniffer firmware has crippled HCI interface */ |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 878 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
| 879 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 880 | |
| 881 | data->isoc = NULL; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | if (id->driver_info & BTUSB_BCM92035) { |
| 885 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; |
| 886 | struct sk_buff *skb; |
| 887 | |
| 888 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); |
| 889 | if (skb) { |
| 890 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); |
| 891 | skb_queue_tail(&hdev->driver_init, skb); |
| 892 | } |
| 893 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 894 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 895 | if (data->isoc) { |
| 896 | err = usb_driver_claim_interface(&btusb_driver, |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 897 | data->isoc, data); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 898 | if (err < 0) { |
| 899 | hci_free_dev(hdev); |
| 900 | kfree(data); |
| 901 | return err; |
| 902 | } |
| 903 | } |
| 904 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 905 | err = hci_register_dev(hdev); |
| 906 | if (err < 0) { |
| 907 | hci_free_dev(hdev); |
| 908 | kfree(data); |
| 909 | return err; |
| 910 | } |
| 911 | |
| 912 | usb_set_intfdata(intf, data); |
| 913 | |
| 914 | return 0; |
| 915 | } |
| 916 | |
| 917 | static void btusb_disconnect(struct usb_interface *intf) |
| 918 | { |
| 919 | struct btusb_data *data = usb_get_intfdata(intf); |
| 920 | struct hci_dev *hdev; |
| 921 | |
| 922 | BT_DBG("intf %p", intf); |
| 923 | |
| 924 | if (!data) |
| 925 | return; |
| 926 | |
| 927 | hdev = data->hdev; |
| 928 | |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 929 | __hci_dev_hold(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 930 | |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 931 | usb_set_intfdata(data->intf, NULL); |
| 932 | |
| 933 | if (data->isoc) |
| 934 | usb_set_intfdata(data->isoc, NULL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 935 | |
| 936 | hci_unregister_dev(hdev); |
| 937 | |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 938 | if (intf == data->isoc) |
| 939 | usb_driver_release_interface(&btusb_driver, data->intf); |
| 940 | else if (data->isoc) |
| 941 | usb_driver_release_interface(&btusb_driver, data->isoc); |
| 942 | |
| 943 | __hci_dev_put(hdev); |
| 944 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 945 | hci_free_dev(hdev); |
| 946 | } |
| 947 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 948 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
| 949 | { |
| 950 | struct btusb_data *data = usb_get_intfdata(intf); |
| 951 | |
| 952 | BT_DBG("intf %p", intf); |
| 953 | |
| 954 | if (data->suspend_count++) |
| 955 | return 0; |
| 956 | |
| 957 | cancel_work_sync(&data->work); |
| 958 | |
| 959 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 960 | |
| 961 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 962 | usb_kill_anchored_urbs(&data->bulk_anchor); |
| 963 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 964 | |
| 965 | return 0; |
| 966 | } |
| 967 | |
| 968 | static int btusb_resume(struct usb_interface *intf) |
| 969 | { |
| 970 | struct btusb_data *data = usb_get_intfdata(intf); |
| 971 | struct hci_dev *hdev = data->hdev; |
| 972 | int err; |
| 973 | |
| 974 | BT_DBG("intf %p", intf); |
| 975 | |
| 976 | if (--data->suspend_count) |
| 977 | return 0; |
| 978 | |
| 979 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 980 | return 0; |
| 981 | |
| 982 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { |
| 983 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); |
| 984 | if (err < 0) { |
| 985 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
| 986 | return err; |
| 987 | } |
| 988 | } |
| 989 | |
| 990 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { |
| 991 | if (btusb_submit_bulk_urb(hdev, GFP_NOIO) < 0) |
| 992 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
| 993 | else |
| 994 | btusb_submit_bulk_urb(hdev, GFP_NOIO); |
| 995 | } |
| 996 | |
| 997 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
| 998 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) |
| 999 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1000 | else |
| 1001 | btusb_submit_isoc_urb(hdev, GFP_NOIO); |
| 1002 | } |
| 1003 | |
| 1004 | return 0; |
| 1005 | } |
| 1006 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1007 | static struct usb_driver btusb_driver = { |
| 1008 | .name = "btusb", |
| 1009 | .probe = btusb_probe, |
| 1010 | .disconnect = btusb_disconnect, |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1011 | .suspend = btusb_suspend, |
| 1012 | .resume = btusb_resume, |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1013 | .id_table = btusb_table, |
| 1014 | }; |
| 1015 | |
| 1016 | static int __init btusb_init(void) |
| 1017 | { |
| 1018 | BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); |
| 1019 | |
| 1020 | return usb_register(&btusb_driver); |
| 1021 | } |
| 1022 | |
| 1023 | static void __exit btusb_exit(void) |
| 1024 | { |
| 1025 | usb_deregister(&btusb_driver); |
| 1026 | } |
| 1027 | |
| 1028 | module_init(btusb_init); |
| 1029 | module_exit(btusb_exit); |
| 1030 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1031 | module_param(ignore_dga, bool, 0644); |
| 1032 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); |
| 1033 | |
| 1034 | module_param(ignore_csr, bool, 0644); |
| 1035 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); |
| 1036 | |
| 1037 | module_param(ignore_sniffer, bool, 0644); |
| 1038 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); |
| 1039 | |
| 1040 | module_param(disable_scofix, bool, 0644); |
| 1041 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); |
| 1042 | |
| 1043 | module_param(force_scofix, bool, 0644); |
| 1044 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); |
| 1045 | |
| 1046 | module_param(reset, bool, 0644); |
| 1047 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); |
| 1048 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1049 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
| 1050 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); |
| 1051 | MODULE_VERSION(VERSION); |
| 1052 | MODULE_LICENSE("GPL"); |