David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * QEMU Bluetooth HID Profile wrapper for USB HID. |
| 3 | * |
| 4 | * Copyright (C) 2007-2008 OpenMoko, Inc. |
| 5 | * Written by Andrzej Zaborowski <andrew@openedhand.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 or |
| 10 | * (at your option) version 3 of the License. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
David Turner | a253513 | 2010-09-10 10:15:07 +0200 | [diff] [blame] | 18 | * with this program; if not, if not, see <http://www.gnu.org/licenses/>. |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 19 | */ |
| 20 | |
| 21 | #include "qemu-common.h" |
| 22 | #include "usb.h" |
| 23 | #include "bt.h" |
| 24 | |
| 25 | enum hid_transaction_req { |
| 26 | BT_HANDSHAKE = 0x0, |
| 27 | BT_HID_CONTROL = 0x1, |
| 28 | BT_GET_REPORT = 0x4, |
| 29 | BT_SET_REPORT = 0x5, |
| 30 | BT_GET_PROTOCOL = 0x6, |
| 31 | BT_SET_PROTOCOL = 0x7, |
| 32 | BT_GET_IDLE = 0x8, |
| 33 | BT_SET_IDLE = 0x9, |
| 34 | BT_DATA = 0xa, |
| 35 | BT_DATC = 0xb, |
| 36 | }; |
| 37 | |
| 38 | enum hid_transaction_handshake { |
| 39 | BT_HS_SUCCESSFUL = 0x0, |
| 40 | BT_HS_NOT_READY = 0x1, |
| 41 | BT_HS_ERR_INVALID_REPORT_ID = 0x2, |
| 42 | BT_HS_ERR_UNSUPPORTED_REQUEST = 0x3, |
| 43 | BT_HS_ERR_INVALID_PARAMETER = 0x4, |
| 44 | BT_HS_ERR_UNKNOWN = 0xe, |
| 45 | BT_HS_ERR_FATAL = 0xf, |
| 46 | }; |
| 47 | |
| 48 | enum hid_transaction_control { |
| 49 | BT_HC_NOP = 0x0, |
| 50 | BT_HC_HARD_RESET = 0x1, |
| 51 | BT_HC_SOFT_RESET = 0x2, |
| 52 | BT_HC_SUSPEND = 0x3, |
| 53 | BT_HC_EXIT_SUSPEND = 0x4, |
| 54 | BT_HC_VIRTUAL_CABLE_UNPLUG = 0x5, |
| 55 | }; |
| 56 | |
| 57 | enum hid_protocol { |
| 58 | BT_HID_PROTO_BOOT = 0, |
| 59 | BT_HID_PROTO_REPORT = 1, |
| 60 | }; |
| 61 | |
| 62 | enum hid_boot_reportid { |
| 63 | BT_HID_BOOT_INVALID = 0, |
| 64 | BT_HID_BOOT_KEYBOARD, |
| 65 | BT_HID_BOOT_MOUSE, |
| 66 | }; |
| 67 | |
| 68 | enum hid_data_pkt { |
| 69 | BT_DATA_OTHER = 0, |
| 70 | BT_DATA_INPUT, |
| 71 | BT_DATA_OUTPUT, |
| 72 | BT_DATA_FEATURE, |
| 73 | }; |
| 74 | |
| 75 | #define BT_HID_MTU 48 |
| 76 | |
| 77 | /* HID interface requests */ |
| 78 | #define GET_REPORT 0xa101 |
| 79 | #define GET_IDLE 0xa102 |
| 80 | #define GET_PROTOCOL 0xa103 |
| 81 | #define SET_REPORT 0x2109 |
| 82 | #define SET_IDLE 0x210a |
| 83 | #define SET_PROTOCOL 0x210b |
| 84 | |
| 85 | struct bt_hid_device_s { |
| 86 | struct bt_l2cap_device_s btdev; |
| 87 | struct bt_l2cap_conn_params_s *control; |
| 88 | struct bt_l2cap_conn_params_s *interrupt; |
| 89 | USBDevice *usbdev; |
| 90 | |
| 91 | int proto; |
| 92 | int connected; |
| 93 | int data_type; |
| 94 | int intr_state; |
| 95 | struct { |
| 96 | int len; |
| 97 | uint8_t buffer[1024]; |
| 98 | } dataother, datain, dataout, feature, intrdataout; |
| 99 | enum { |
| 100 | bt_state_ready, |
| 101 | bt_state_transaction, |
| 102 | bt_state_suspend, |
| 103 | } state; |
| 104 | }; |
| 105 | |
| 106 | static void bt_hid_reset(struct bt_hid_device_s *s) |
| 107 | { |
| 108 | struct bt_scatternet_s *net = s->btdev.device.net; |
| 109 | |
| 110 | /* Go as far as... */ |
| 111 | bt_l2cap_device_done(&s->btdev); |
| 112 | bt_l2cap_device_init(&s->btdev, net); |
| 113 | |
| 114 | s->usbdev->handle_reset(s->usbdev); |
| 115 | s->proto = BT_HID_PROTO_REPORT; |
| 116 | s->state = bt_state_ready; |
| 117 | s->dataother.len = 0; |
| 118 | s->datain.len = 0; |
| 119 | s->dataout.len = 0; |
| 120 | s->feature.len = 0; |
| 121 | s->intrdataout.len = 0; |
| 122 | s->intr_state = 0; |
| 123 | } |
| 124 | |
| 125 | static int bt_hid_out(struct bt_hid_device_s *s) |
| 126 | { |
| 127 | USBPacket p; |
| 128 | |
| 129 | if (s->data_type == BT_DATA_OUTPUT) { |
| 130 | p.pid = USB_TOKEN_OUT; |
| 131 | p.devep = 1; |
| 132 | p.data = s->dataout.buffer; |
| 133 | p.len = s->dataout.len; |
| 134 | s->dataout.len = s->usbdev->handle_data(s->usbdev, &p); |
| 135 | |
| 136 | return s->dataout.len; |
| 137 | } |
| 138 | |
| 139 | if (s->data_type == BT_DATA_FEATURE) { |
| 140 | /* XXX: |
| 141 | * does this send a USB_REQ_CLEAR_FEATURE/USB_REQ_SET_FEATURE |
| 142 | * or a SET_REPORT? */ |
| 143 | p.devep = 0; |
| 144 | } |
| 145 | |
| 146 | return -1; |
| 147 | } |
| 148 | |
| 149 | static int bt_hid_in(struct bt_hid_device_s *s) |
| 150 | { |
| 151 | USBPacket p; |
| 152 | |
| 153 | p.pid = USB_TOKEN_IN; |
| 154 | p.devep = 1; |
| 155 | p.data = s->datain.buffer; |
| 156 | p.len = sizeof(s->datain.buffer); |
| 157 | s->datain.len = s->usbdev->handle_data(s->usbdev, &p); |
| 158 | |
| 159 | return s->datain.len; |
| 160 | } |
| 161 | |
| 162 | static void bt_hid_send_handshake(struct bt_hid_device_s *s, int result) |
| 163 | { |
| 164 | *s->control->sdu_out(s->control, 1) = |
| 165 | (BT_HANDSHAKE << 4) | result; |
| 166 | s->control->sdu_submit(s->control); |
| 167 | } |
| 168 | |
| 169 | static void bt_hid_send_control(struct bt_hid_device_s *s, int operation) |
| 170 | { |
| 171 | *s->control->sdu_out(s->control, 1) = |
| 172 | (BT_HID_CONTROL << 4) | operation; |
| 173 | s->control->sdu_submit(s->control); |
| 174 | } |
| 175 | |
| 176 | static void bt_hid_disconnect(struct bt_hid_device_s *s) |
| 177 | { |
| 178 | /* Disconnect s->control and s->interrupt */ |
| 179 | } |
| 180 | |
| 181 | static void bt_hid_send_data(struct bt_l2cap_conn_params_s *ch, int type, |
| 182 | const uint8_t *data, int len) |
| 183 | { |
| 184 | uint8_t *pkt, hdr = (BT_DATA << 4) | type; |
| 185 | int plen; |
| 186 | |
| 187 | do { |
| 188 | plen = MIN(len, ch->remote_mtu - 1); |
| 189 | pkt = ch->sdu_out(ch, plen + 1); |
| 190 | |
| 191 | pkt[0] = hdr; |
| 192 | if (plen) |
| 193 | memcpy(pkt + 1, data, plen); |
| 194 | ch->sdu_submit(ch); |
| 195 | |
| 196 | len -= plen; |
| 197 | data += plen; |
| 198 | hdr = (BT_DATC << 4) | type; |
| 199 | } while (plen == ch->remote_mtu - 1); |
| 200 | } |
| 201 | |
| 202 | static void bt_hid_control_transaction(struct bt_hid_device_s *s, |
| 203 | const uint8_t *data, int len) |
| 204 | { |
| 205 | uint8_t type, parameter; |
| 206 | int rlen, ret = -1; |
| 207 | if (len < 1) |
| 208 | return; |
| 209 | |
| 210 | type = data[0] >> 4; |
| 211 | parameter = data[0] & 0xf; |
| 212 | |
| 213 | switch (type) { |
| 214 | case BT_HANDSHAKE: |
| 215 | case BT_DATA: |
| 216 | switch (parameter) { |
| 217 | default: |
| 218 | /* These are not expected to be sent this direction. */ |
| 219 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 220 | } |
| 221 | break; |
| 222 | |
| 223 | case BT_HID_CONTROL: |
| 224 | if (len != 1 || (parameter != BT_HC_VIRTUAL_CABLE_UNPLUG && |
| 225 | s->state == bt_state_transaction)) { |
| 226 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 227 | break; |
| 228 | } |
| 229 | switch (parameter) { |
| 230 | case BT_HC_NOP: |
| 231 | break; |
| 232 | case BT_HC_HARD_RESET: |
| 233 | case BT_HC_SOFT_RESET: |
| 234 | bt_hid_reset(s); |
| 235 | break; |
| 236 | case BT_HC_SUSPEND: |
| 237 | if (s->state == bt_state_ready) |
| 238 | s->state = bt_state_suspend; |
| 239 | else |
| 240 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 241 | break; |
| 242 | case BT_HC_EXIT_SUSPEND: |
| 243 | if (s->state == bt_state_suspend) |
| 244 | s->state = bt_state_ready; |
| 245 | else |
| 246 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 247 | break; |
| 248 | case BT_HC_VIRTUAL_CABLE_UNPLUG: |
| 249 | bt_hid_disconnect(s); |
| 250 | break; |
| 251 | default: |
| 252 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 253 | } |
| 254 | break; |
| 255 | |
| 256 | case BT_GET_REPORT: |
| 257 | /* No ReportIDs declared. */ |
| 258 | if (((parameter & 8) && len != 3) || |
| 259 | (!(parameter & 8) && len != 1) || |
| 260 | s->state != bt_state_ready) { |
| 261 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 262 | break; |
| 263 | } |
| 264 | if (parameter & 8) |
| 265 | rlen = data[2] | (data[3] << 8); |
| 266 | else |
| 267 | rlen = INT_MAX; |
| 268 | switch (parameter & 3) { |
| 269 | case BT_DATA_OTHER: |
| 270 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 271 | break; |
| 272 | case BT_DATA_INPUT: |
| 273 | /* Here we can as well poll s->usbdev */ |
| 274 | bt_hid_send_data(s->control, BT_DATA_INPUT, |
| 275 | s->datain.buffer, MIN(rlen, s->datain.len)); |
| 276 | break; |
| 277 | case BT_DATA_OUTPUT: |
| 278 | bt_hid_send_data(s->control, BT_DATA_OUTPUT, |
| 279 | s->dataout.buffer, MIN(rlen, s->dataout.len)); |
| 280 | break; |
| 281 | case BT_DATA_FEATURE: |
| 282 | bt_hid_send_data(s->control, BT_DATA_FEATURE, |
| 283 | s->feature.buffer, MIN(rlen, s->feature.len)); |
| 284 | break; |
| 285 | } |
| 286 | break; |
| 287 | |
| 288 | case BT_SET_REPORT: |
| 289 | if (len < 2 || len > BT_HID_MTU || s->state != bt_state_ready || |
| 290 | (parameter & 3) == BT_DATA_OTHER || |
| 291 | (parameter & 3) == BT_DATA_INPUT) { |
| 292 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 293 | break; |
| 294 | } |
| 295 | s->data_type = parameter & 3; |
| 296 | if (s->data_type == BT_DATA_OUTPUT) { |
| 297 | s->dataout.len = len - 1; |
| 298 | memcpy(s->dataout.buffer, data + 1, s->dataout.len); |
| 299 | } else { |
| 300 | s->feature.len = len - 1; |
| 301 | memcpy(s->feature.buffer, data + 1, s->feature.len); |
| 302 | } |
| 303 | if (len == BT_HID_MTU) |
| 304 | s->state = bt_state_transaction; |
| 305 | else |
| 306 | bt_hid_out(s); |
| 307 | break; |
| 308 | |
| 309 | case BT_GET_PROTOCOL: |
| 310 | if (len != 1 || s->state == bt_state_transaction) { |
| 311 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 312 | break; |
| 313 | } |
| 314 | *s->control->sdu_out(s->control, 1) = s->proto; |
| 315 | s->control->sdu_submit(s->control); |
| 316 | break; |
| 317 | |
| 318 | case BT_SET_PROTOCOL: |
| 319 | if (len != 1 || s->state == bt_state_transaction || |
| 320 | (parameter != BT_HID_PROTO_BOOT && |
| 321 | parameter != BT_HID_PROTO_REPORT)) { |
| 322 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 323 | break; |
| 324 | } |
| 325 | s->proto = parameter; |
| 326 | s->usbdev->handle_control(s->usbdev, SET_PROTOCOL, s->proto, 0, 0, |
| 327 | NULL); |
| 328 | ret = BT_HS_SUCCESSFUL; |
| 329 | break; |
| 330 | |
| 331 | case BT_GET_IDLE: |
| 332 | if (len != 1 || s->state == bt_state_transaction) { |
| 333 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 334 | break; |
| 335 | } |
| 336 | s->usbdev->handle_control(s->usbdev, GET_IDLE, 0, 0, 1, |
| 337 | s->control->sdu_out(s->control, 1)); |
| 338 | s->control->sdu_submit(s->control); |
| 339 | break; |
| 340 | |
| 341 | case BT_SET_IDLE: |
| 342 | if (len != 2 || s->state == bt_state_transaction) { |
| 343 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 344 | break; |
| 345 | } |
| 346 | |
| 347 | /* We don't need to know about the Idle Rate here really, |
| 348 | * so just pass it on to the device. */ |
| 349 | ret = s->usbdev->handle_control(s->usbdev, |
| 350 | SET_IDLE, data[1], 0, 0, NULL) ? |
| 351 | BT_HS_SUCCESSFUL : BT_HS_ERR_INVALID_PARAMETER; |
| 352 | /* XXX: Does this generate a handshake? */ |
| 353 | break; |
| 354 | |
| 355 | case BT_DATC: |
| 356 | if (len > BT_HID_MTU || s->state != bt_state_transaction) { |
| 357 | ret = BT_HS_ERR_INVALID_PARAMETER; |
| 358 | break; |
| 359 | } |
| 360 | if (s->data_type == BT_DATA_OUTPUT) { |
| 361 | memcpy(s->dataout.buffer + s->dataout.len, data + 1, len - 1); |
| 362 | s->dataout.len += len - 1; |
| 363 | } else { |
| 364 | memcpy(s->feature.buffer + s->feature.len, data + 1, len - 1); |
| 365 | s->feature.len += len - 1; |
| 366 | } |
| 367 | if (len < BT_HID_MTU) { |
| 368 | bt_hid_out(s); |
| 369 | s->state = bt_state_ready; |
| 370 | } |
| 371 | break; |
| 372 | |
| 373 | default: |
| 374 | ret = BT_HS_ERR_UNSUPPORTED_REQUEST; |
| 375 | } |
| 376 | |
| 377 | if (ret != -1) |
| 378 | bt_hid_send_handshake(s, ret); |
| 379 | } |
| 380 | |
| 381 | static void bt_hid_control_sdu(void *opaque, const uint8_t *data, int len) |
| 382 | { |
| 383 | struct bt_hid_device_s *hid = opaque; |
| 384 | |
| 385 | bt_hid_control_transaction(hid, data, len); |
| 386 | } |
| 387 | |
| 388 | static void bt_hid_datain(void *opaque) |
| 389 | { |
| 390 | struct bt_hid_device_s *hid = opaque; |
| 391 | |
| 392 | /* If suspended, wake-up and send a wake-up event first. We might |
| 393 | * want to also inspect the input report and ignore event like |
| 394 | * mouse movements until a button event occurs. */ |
| 395 | if (hid->state == bt_state_suspend) { |
| 396 | hid->state = bt_state_ready; |
| 397 | } |
| 398 | |
| 399 | if (bt_hid_in(hid) > 0) |
| 400 | /* TODO: when in boot-mode precede any Input reports with the ReportID |
| 401 | * byte, here and in GetReport/SetReport on the Control channel. */ |
| 402 | bt_hid_send_data(hid->interrupt, BT_DATA_INPUT, |
| 403 | hid->datain.buffer, hid->datain.len); |
| 404 | } |
| 405 | |
| 406 | static void bt_hid_interrupt_sdu(void *opaque, const uint8_t *data, int len) |
| 407 | { |
| 408 | struct bt_hid_device_s *hid = opaque; |
| 409 | |
| 410 | if (len > BT_HID_MTU || len < 1) |
| 411 | goto bad; |
| 412 | if ((data[0] & 3) != BT_DATA_OUTPUT) |
| 413 | goto bad; |
| 414 | if ((data[0] >> 4) == BT_DATA) { |
| 415 | if (hid->intr_state) |
| 416 | goto bad; |
| 417 | |
| 418 | hid->data_type = BT_DATA_OUTPUT; |
| 419 | hid->intrdataout.len = 0; |
| 420 | } else if ((data[0] >> 4) == BT_DATC) { |
| 421 | if (!hid->intr_state) |
| 422 | goto bad; |
| 423 | } else |
| 424 | goto bad; |
| 425 | |
| 426 | memcpy(hid->intrdataout.buffer + hid->intrdataout.len, data + 1, len - 1); |
| 427 | hid->intrdataout.len += len - 1; |
| 428 | hid->intr_state = (len == BT_HID_MTU); |
| 429 | if (!hid->intr_state) { |
| 430 | memcpy(hid->dataout.buffer, hid->intrdataout.buffer, |
| 431 | hid->dataout.len = hid->intrdataout.len); |
| 432 | bt_hid_out(hid); |
| 433 | } |
| 434 | |
| 435 | return; |
| 436 | bad: |
| 437 | fprintf(stderr, "%s: bad transaction on Interrupt channel.\n", |
| 438 | __FUNCTION__); |
| 439 | } |
| 440 | |
| 441 | /* "Virtual cable" plug/unplug event. */ |
| 442 | static void bt_hid_connected_update(struct bt_hid_device_s *hid) |
| 443 | { |
| 444 | int prev = hid->connected; |
| 445 | |
| 446 | hid->connected = hid->control && hid->interrupt; |
| 447 | |
| 448 | /* Stop page-/inquiry-scanning when a host is connected. */ |
| 449 | hid->btdev.device.page_scan = !hid->connected; |
| 450 | hid->btdev.device.inquiry_scan = !hid->connected; |
| 451 | |
| 452 | if (hid->connected && !prev) { |
| 453 | hid->usbdev->handle_reset(hid->usbdev); |
| 454 | hid->proto = BT_HID_PROTO_REPORT; |
| 455 | } |
| 456 | |
| 457 | /* Should set HIDVirtualCable in SDP (possibly need to check that SDP |
| 458 | * isn't destroyed yet, in case we're being called from handle_destroy) */ |
| 459 | } |
| 460 | |
| 461 | static void bt_hid_close_control(void *opaque) |
| 462 | { |
| 463 | struct bt_hid_device_s *hid = opaque; |
| 464 | |
| 465 | hid->control = NULL; |
| 466 | bt_hid_connected_update(hid); |
| 467 | } |
| 468 | |
| 469 | static void bt_hid_close_interrupt(void *opaque) |
| 470 | { |
| 471 | struct bt_hid_device_s *hid = opaque; |
| 472 | |
| 473 | hid->interrupt = NULL; |
| 474 | bt_hid_connected_update(hid); |
| 475 | } |
| 476 | |
| 477 | static int bt_hid_new_control_ch(struct bt_l2cap_device_s *dev, |
| 478 | struct bt_l2cap_conn_params_s *params) |
| 479 | { |
| 480 | struct bt_hid_device_s *hid = (struct bt_hid_device_s *) dev; |
| 481 | |
| 482 | if (hid->control) |
| 483 | return 1; |
| 484 | |
| 485 | hid->control = params; |
| 486 | hid->control->opaque = hid; |
| 487 | hid->control->close = bt_hid_close_control; |
| 488 | hid->control->sdu_in = bt_hid_control_sdu; |
| 489 | |
| 490 | bt_hid_connected_update(hid); |
| 491 | |
| 492 | return 0; |
| 493 | } |
| 494 | |
| 495 | static int bt_hid_new_interrupt_ch(struct bt_l2cap_device_s *dev, |
| 496 | struct bt_l2cap_conn_params_s *params) |
| 497 | { |
| 498 | struct bt_hid_device_s *hid = (struct bt_hid_device_s *) dev; |
| 499 | |
| 500 | if (hid->interrupt) |
| 501 | return 1; |
| 502 | |
| 503 | hid->interrupt = params; |
| 504 | hid->interrupt->opaque = hid; |
| 505 | hid->interrupt->close = bt_hid_close_interrupt; |
| 506 | hid->interrupt->sdu_in = bt_hid_interrupt_sdu; |
| 507 | |
| 508 | bt_hid_connected_update(hid); |
| 509 | |
| 510 | return 0; |
| 511 | } |
| 512 | |
| 513 | static void bt_hid_destroy(struct bt_device_s *dev) |
| 514 | { |
| 515 | struct bt_hid_device_s *hid = (struct bt_hid_device_s *) dev; |
| 516 | |
| 517 | if (hid->connected) |
| 518 | bt_hid_send_control(hid, BT_HC_VIRTUAL_CABLE_UNPLUG); |
| 519 | bt_l2cap_device_done(&hid->btdev); |
| 520 | |
| 521 | hid->usbdev->handle_destroy(hid->usbdev); |
| 522 | |
| 523 | qemu_free(hid); |
| 524 | } |
| 525 | |
| 526 | enum peripheral_minor_class { |
| 527 | class_other = 0 << 4, |
| 528 | class_keyboard = 1 << 4, |
| 529 | class_pointing = 2 << 4, |
| 530 | class_combo = 3 << 4, |
| 531 | }; |
| 532 | |
| 533 | static struct bt_device_s *bt_hid_init(struct bt_scatternet_s *net, |
| 534 | USBDevice *dev, enum peripheral_minor_class minor) |
| 535 | { |
| 536 | struct bt_hid_device_s *s = qemu_mallocz(sizeof(*s)); |
| 537 | uint32_t class = |
| 538 | /* Format type */ |
| 539 | (0 << 0) | |
| 540 | /* Device class */ |
| 541 | (minor << 2) | |
| 542 | (5 << 8) | /* "Peripheral" */ |
| 543 | /* Service classes */ |
| 544 | (1 << 13) | /* Limited discoverable mode */ |
| 545 | (1 << 19); /* Capturing device (?) */ |
| 546 | |
| 547 | bt_l2cap_device_init(&s->btdev, net); |
| 548 | bt_l2cap_sdp_init(&s->btdev); |
| 549 | bt_l2cap_psm_register(&s->btdev, BT_PSM_HID_CTRL, |
| 550 | BT_HID_MTU, bt_hid_new_control_ch); |
| 551 | bt_l2cap_psm_register(&s->btdev, BT_PSM_HID_INTR, |
| 552 | BT_HID_MTU, bt_hid_new_interrupt_ch); |
| 553 | |
| 554 | s->usbdev = dev; |
| 555 | s->btdev.device.lmp_name = s->usbdev->devname; |
| 556 | usb_hid_datain_cb(s->usbdev, s, bt_hid_datain); |
| 557 | |
| 558 | s->btdev.device.handle_destroy = bt_hid_destroy; |
| 559 | |
| 560 | s->btdev.device.class[0] = (class >> 0) & 0xff; |
| 561 | s->btdev.device.class[1] = (class >> 8) & 0xff; |
| 562 | s->btdev.device.class[2] = (class >> 16) & 0xff; |
| 563 | |
| 564 | return &s->btdev.device; |
| 565 | } |
| 566 | |
| 567 | struct bt_device_s *bt_keyboard_init(struct bt_scatternet_s *net) |
| 568 | { |
| 569 | return bt_hid_init(net, usb_keyboard_init(), class_keyboard); |
| 570 | } |