The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2000-2012 Broadcom Corporation |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ******************************************************************************/ |
| 18 | |
| 19 | /****************************************************************************** |
| 20 | * |
| 21 | * This file contains functions that handle SCO connections. This includes |
| 22 | * operations such as connect, disconnect, change supported packet types. |
| 23 | * |
| 24 | ******************************************************************************/ |
| 25 | |
| 26 | #include <string.h> |
| 27 | #include "bt_types.h" |
| 28 | #include "bt_target.h" |
| 29 | #include "gki.h" |
| 30 | #include "bt_types.h" |
| 31 | #include "hcimsgs.h" |
| 32 | #include "btu.h" |
| 33 | #include "btm_api.h" |
| 34 | #include "btm_int.h" |
| 35 | #include "hcidefs.h" |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 36 | #include "bt_utils.h" |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 37 | |
| 38 | #if BTM_SCO_INCLUDED == TRUE |
| 39 | |
| 40 | /********************************************************************************/ |
| 41 | /* L O C A L D A T A D E F I N I T I O N S */ |
| 42 | /********************************************************************************/ |
| 43 | |
| 44 | #define SCO_ST_UNUSED 0 |
| 45 | #define SCO_ST_LISTENING 1 |
| 46 | #define SCO_ST_W4_CONN_RSP 2 |
| 47 | #define SCO_ST_CONNECTING 3 |
| 48 | #define SCO_ST_CONNECTED 4 |
| 49 | #define SCO_ST_DISCONNECTING 5 |
| 50 | #define SCO_ST_PEND_UNPARK 6 |
| 51 | #define SCO_ST_PEND_ROLECHANGE 7 |
| 52 | |
| 53 | /********************************************************************************/ |
| 54 | /* L O C A L F U N C T I O N P R O T O T Y P E S */ |
| 55 | /********************************************************************************/ |
| 56 | |
| 57 | static const tBTM_ESCO_PARAMS btm_esco_defaults = |
| 58 | { |
| 59 | BTM_64KBITS_RATE, /* TX Bandwidth (64 kbits/sec) */ |
| 60 | BTM_64KBITS_RATE, /* RX Bandwidth (64 kbits/sec) */ |
| 61 | 0x000a, /* 10 ms (HS/HF can use EV3, 2-EV3, 3-EV3) */ |
| 62 | 0x0060, /* Inp Linear, Air CVSD, 2s Comp, 16bit */ |
| 63 | (BTM_SCO_PKT_TYPES_MASK_HV1 + /* Packet Types */ |
| 64 | BTM_SCO_PKT_TYPES_MASK_HV2 + |
| 65 | BTM_SCO_PKT_TYPES_MASK_HV3 + |
| 66 | BTM_SCO_PKT_TYPES_MASK_EV3 + |
| 67 | BTM_SCO_PKT_TYPES_MASK_EV4 + |
| 68 | BTM_SCO_PKT_TYPES_MASK_EV5), |
| 69 | BTM_ESCO_RETRANS_POWER /* Retransmission Effort (Power) */ |
| 70 | }; |
| 71 | |
| 72 | /******************************************************************************* |
| 73 | ** |
| 74 | ** Function btm_sco_flush_sco_data |
| 75 | ** |
| 76 | ** Description This function is called to flush the SCO data for this channel. |
| 77 | ** |
| 78 | ** Returns void |
| 79 | ** |
| 80 | *******************************************************************************/ |
| 81 | void btm_sco_flush_sco_data(UINT16 sco_inx) |
| 82 | { |
| 83 | #if BTM_SCO_HCI_INCLUDED == TRUE |
| 84 | #if (BTM_MAX_SCO_LINKS>0) |
| 85 | tSCO_CONN *p ; |
| 86 | BT_HDR *p_buf; |
| 87 | |
| 88 | if (sco_inx < BTM_MAX_SCO_LINKS) |
| 89 | { |
| 90 | p = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 91 | while (p->xmit_data_q.p_first) |
| 92 | { |
| 93 | if ((p_buf = (BT_HDR *)GKI_dequeue (&p->xmit_data_q)) != NULL) |
| 94 | GKI_freebuf (p_buf); |
| 95 | } |
| 96 | } |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 97 | #else |
| 98 | UNUSED(sco_inx); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 99 | #endif |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 100 | #else |
| 101 | UNUSED(sco_inx); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 102 | #endif |
| 103 | } |
| 104 | /******************************************************************************* |
| 105 | ** |
| 106 | ** Function btm_sco_init |
| 107 | ** |
| 108 | ** Description This function is called at BTM startup to initialize |
| 109 | ** |
| 110 | ** Returns void |
| 111 | ** |
| 112 | *******************************************************************************/ |
| 113 | void btm_sco_init (void) |
| 114 | { |
| 115 | #if 0 /* cleared in btm_init; put back in if called from anywhere else! */ |
| 116 | memset (&btm_cb.sco_cb, 0, sizeof(tSCO_CB)); |
| 117 | #endif |
| 118 | /* Initialize nonzero defaults */ |
| 119 | btm_cb.sco_cb.sco_disc_reason = BTM_INVALID_SCO_DISC_REASON; |
| 120 | |
| 121 | btm_cb.sco_cb.def_esco_parms = btm_esco_defaults; /* Initialize with defaults */ |
| 122 | btm_cb.sco_cb.desired_sco_mode = BTM_DEFAULT_SCO_MODE; |
| 123 | } |
| 124 | |
| 125 | /******************************************************************************* |
| 126 | ** |
| 127 | ** Function btm_esco_conn_rsp |
| 128 | ** |
| 129 | ** Description This function is called upon receipt of an (e)SCO connection |
| 130 | ** request event (BTM_ESCO_CONN_REQ_EVT) to accept or reject |
| 131 | ** the request. Parameters used to negotiate eSCO links. |
| 132 | ** If p_parms is NULL, then default values are used. |
| 133 | ** If the link type of the incoming request is SCO, then only |
| 134 | ** the tx_bw, max_latency, content format, and packet_types are |
| 135 | ** valid. The hci_status parameter should be |
| 136 | ** ([0x0] to accept, [0x0d..0x0f] to reject) |
| 137 | ** |
| 138 | ** Returns void |
| 139 | ** |
| 140 | *******************************************************************************/ |
| 141 | static void btm_esco_conn_rsp (UINT16 sco_inx, UINT8 hci_status, BD_ADDR bda, |
| 142 | tBTM_ESCO_PARAMS *p_parms) |
| 143 | { |
| 144 | #if (BTM_MAX_SCO_LINKS>0) |
| 145 | tSCO_CONN *p_sco = NULL; |
| 146 | tBTM_ESCO_PARAMS *p_setup; |
| 147 | UINT16 temp_pkt_types; |
| 148 | |
| 149 | if (sco_inx < BTM_MAX_SCO_LINKS) |
| 150 | p_sco = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 151 | |
| 152 | /* Reject the connect request if refused by caller or wrong state */ |
| 153 | if (hci_status != HCI_SUCCESS || p_sco == NULL) |
| 154 | { |
| 155 | if (p_sco) |
| 156 | { |
| 157 | p_sco->state = (p_sco->state == SCO_ST_W4_CONN_RSP) ? SCO_ST_LISTENING |
| 158 | : SCO_ST_UNUSED; |
| 159 | } |
| 160 | |
| 161 | if (!btm_cb.sco_cb.esco_supported) |
| 162 | { |
| 163 | if (!btsnd_hcic_reject_conn (bda, hci_status)) |
| 164 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 165 | BTM_TRACE_ERROR("Could not reject (e)SCO conn: No Buffer!!!"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 166 | } |
| 167 | } |
| 168 | else |
| 169 | { |
| 170 | if (!btsnd_hcic_reject_esco_conn (bda, hci_status)) |
| 171 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 172 | BTM_TRACE_ERROR("Could not reject (e)SCO conn: No Buffer!!!"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 173 | } |
| 174 | } |
| 175 | } |
| 176 | else /* Connection is being accepted */ |
| 177 | { |
| 178 | p_sco->state = SCO_ST_CONNECTING; |
| 179 | if (btm_cb.devcb.local_version.hci_version >= HCI_PROTO_VERSION_1_2) |
| 180 | { |
| 181 | p_setup = &p_sco->esco.setup; |
| 182 | /* If parameters not specified use the default */ |
| 183 | if (p_parms) |
| 184 | *p_setup = *p_parms; |
| 185 | else /* Use the last setup passed thru BTM_SetEscoMode (or defaults) */ |
| 186 | { |
| 187 | *p_setup = btm_cb.sco_cb.def_esco_parms; |
| 188 | } |
| 189 | |
| 190 | temp_pkt_types = (p_setup->packet_types & |
| 191 | BTM_SCO_SUPPORTED_PKTS_MASK & |
| 192 | btm_cb.btm_sco_pkt_types_supported); |
| 193 | |
| 194 | /* Make sure at least one eSCO packet type is sent, else might confuse peer */ |
| 195 | /* Taking this out to confirm with BQB tests |
| 196 | ** Real application would like to include this though, as many devices |
| 197 | ** do not retry with SCO only if an eSCO connection fails. |
| 198 | if (!(temp_pkt_types & BTM_ESCO_LINK_ONLY_MASK)) |
| 199 | { |
| 200 | temp_pkt_types |= BTM_SCO_PKT_TYPES_MASK_EV3; |
| 201 | } |
| 202 | */ |
| 203 | /* If SCO request, remove eSCO packet types (conformance) */ |
| 204 | if (p_sco->esco.data.link_type == BTM_LINK_TYPE_SCO) |
| 205 | { |
| 206 | temp_pkt_types &= BTM_SCO_LINK_ONLY_MASK; |
| 207 | |
| 208 | if (btm_cb.devcb.local_version.hci_version >= HCI_PROTO_VERSION_2_0) |
| 209 | { |
| 210 | temp_pkt_types |= BTM_SCO_EXCEPTION_PKTS_MASK; |
| 211 | } |
| 212 | } |
| 213 | /* OR in any exception packet types if at least 2.0 version of spec */ |
| 214 | else if (btm_cb.devcb.local_version.hci_version >= HCI_PROTO_VERSION_2_0) |
| 215 | { |
| 216 | temp_pkt_types |= ((p_setup->packet_types & BTM_SCO_EXCEPTION_PKTS_MASK) | |
| 217 | (btm_cb.btm_sco_pkt_types_supported & BTM_SCO_EXCEPTION_PKTS_MASK)); |
| 218 | } |
| 219 | |
| 220 | if (btsnd_hcic_accept_esco_conn (bda, p_setup->tx_bw, p_setup->rx_bw, |
| 221 | p_setup->max_latency, p_setup->voice_contfmt, |
| 222 | p_setup->retrans_effort, temp_pkt_types)) |
| 223 | { |
| 224 | p_setup->packet_types = temp_pkt_types; |
| 225 | } |
| 226 | else |
| 227 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 228 | BTM_TRACE_ERROR("Could not accept SCO conn: No Buffer!!!"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 229 | } |
| 230 | } |
| 231 | else /* Controller is version 1.1 or earlier */ |
| 232 | { |
| 233 | btsnd_hcic_accept_conn (bda, 0); |
| 234 | } |
| 235 | } |
| 236 | #endif |
| 237 | } |
| 238 | |
| 239 | |
| 240 | #if BTM_SCO_HCI_INCLUDED == TRUE |
| 241 | /******************************************************************************* |
| 242 | ** |
| 243 | ** Function btm_sco_check_send_pkts |
| 244 | ** |
| 245 | ** Description This function is called to check if it can send packets |
| 246 | ** to the Host Controller. |
| 247 | ** |
| 248 | ** Returns void |
| 249 | ** |
| 250 | *******************************************************************************/ |
| 251 | void btm_sco_check_send_pkts (UINT16 sco_inx) |
| 252 | { |
| 253 | BT_HDR *p_buf; |
| 254 | tSCO_CB *p_cb = &btm_cb.sco_cb; |
| 255 | tSCO_CONN *p_ccb = &p_cb->sco_db[sco_inx]; |
| 256 | |
| 257 | /* If there is data to send, send it now */ |
| 258 | while (p_ccb->xmit_data_q.p_first != NULL) |
| 259 | { |
| 260 | p_buf = NULL; |
| 261 | |
| 262 | #if BTM_SCO_HCI_DEBUG |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 263 | BTM_TRACE_DEBUG ("btm: [%d] buf in xmit_data_q", p_ccb->xmit_data_q.count ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 264 | #endif |
| 265 | p_buf = (BT_HDR *)GKI_dequeue (&p_ccb->xmit_data_q); |
| 266 | |
| 267 | HCI_SCO_DATA_TO_LOWER (p_buf); |
| 268 | } |
| 269 | } |
| 270 | #endif /* BTM_SCO_HCI_INCLUDED == TRUE */ |
| 271 | |
| 272 | /******************************************************************************* |
| 273 | ** |
| 274 | ** Function btm_route_sco_data |
| 275 | ** |
| 276 | ** Description Route received SCO data. |
| 277 | ** |
| 278 | ** Returns void |
| 279 | ** |
| 280 | *******************************************************************************/ |
| 281 | void btm_route_sco_data(BT_HDR *p_msg) |
| 282 | { |
| 283 | #if BTM_SCO_HCI_INCLUDED == TRUE |
| 284 | UINT16 sco_inx, handle; |
| 285 | UINT8 *p = (UINT8 *)(p_msg + 1) + p_msg->offset; |
| 286 | UINT8 pkt_size = 0; |
| 287 | UINT8 pkt_status = 0; |
| 288 | |
| 289 | /* Extract Packet_Status_Flag and handle */ |
| 290 | STREAM_TO_UINT16 (handle, p); |
| 291 | pkt_status = HCID_GET_EVENT(handle); |
| 292 | handle = HCID_GET_HANDLE (handle); |
| 293 | |
| 294 | STREAM_TO_UINT8 (pkt_size, p); |
| 295 | |
| 296 | if ((sco_inx = btm_find_scb_by_handle(handle)) != BTM_MAX_SCO_LINKS ) |
| 297 | { |
| 298 | /* send data callback */ |
| 299 | if (!btm_cb.sco_cb.p_data_cb ) |
| 300 | /* if no data callback registered, just free the buffer */ |
| 301 | GKI_freebuf (p_msg); |
| 302 | else |
| 303 | { |
| 304 | (*btm_cb.sco_cb.p_data_cb)(sco_inx, p_msg, (tBTM_SCO_DATA_FLAG) pkt_status); |
| 305 | } |
| 306 | } |
| 307 | else /* no mapping handle SCO connection is active, free the buffer */ |
| 308 | { |
| 309 | GKI_freebuf (p_msg); |
| 310 | } |
| 311 | #else |
| 312 | GKI_freebuf(p_msg); |
| 313 | #endif |
| 314 | } |
| 315 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 316 | /******************************************************************************* |
| 317 | ** |
| 318 | ** Function BTM_WriteScoData |
| 319 | ** |
| 320 | ** Description This function write SCO data to a specified instance. The data |
| 321 | ** to be written p_buf needs to carry an offset of |
| 322 | ** HCI_SCO_PREAMBLE_SIZE bytes, and the data length can not |
| 323 | ** exceed BTM_SCO_DATA_SIZE_MAX bytes, whose default value is set |
| 324 | ** to 60 and is configurable. Data longer than the maximum bytes |
| 325 | ** will be truncated. |
| 326 | ** |
| 327 | ** Returns BTM_SUCCESS: data write is successful |
| 328 | ** BTM_ILLEGAL_VALUE: SCO data contains illegal offset value. |
| 329 | ** BTM_SCO_BAD_LENGTH: SCO data length exceeds the max SCO packet |
| 330 | ** size. |
| 331 | ** BTM_NO_RESOURCES: no resources. |
| 332 | ** BTM_UNKNOWN_ADDR: unknown SCO connection handle, or SCO is not |
| 333 | ** routed via HCI. |
| 334 | ** |
| 335 | ** |
| 336 | *******************************************************************************/ |
| 337 | tBTM_STATUS BTM_WriteScoData (UINT16 sco_inx, BT_HDR *p_buf) |
| 338 | { |
| 339 | #if (BTM_SCO_HCI_INCLUDED == TRUE) && (BTM_MAX_SCO_LINKS>0) |
| 340 | tSCO_CONN *p_ccb = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 341 | UINT8 *p; |
| 342 | tBTM_STATUS status = BTM_SUCCESS; |
| 343 | |
| 344 | if (sco_inx < BTM_MAX_SCO_LINKS && btm_cb.sco_cb.p_data_cb && |
| 345 | p_ccb->state == SCO_ST_CONNECTED) |
| 346 | { |
| 347 | /* Ensure we have enough space in the buffer for the SCO and HCI headers */ |
| 348 | if (p_buf->offset < HCI_SCO_PREAMBLE_SIZE) |
| 349 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 350 | BTM_TRACE_ERROR ("BTM SCO - cannot send buffer, offset: %d", p_buf->offset); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 351 | GKI_freebuf (p_buf); |
| 352 | status = BTM_ILLEGAL_VALUE; |
| 353 | } |
| 354 | else /* write HCI header */ |
| 355 | { |
| 356 | /* Step back 3 bytes to add the headers */ |
| 357 | p_buf->offset -= HCI_SCO_PREAMBLE_SIZE; |
| 358 | /* Set the pointer to the beginning of the data */ |
| 359 | p = (UINT8 *)(p_buf + 1) + p_buf->offset; |
| 360 | /* add HCI handle */ |
| 361 | UINT16_TO_STREAM (p, p_ccb->hci_handle); |
| 362 | /* only sent the first BTM_SCO_DATA_SIZE_MAX bytes data if more than max, |
| 363 | and set warning status */ |
| 364 | if (p_buf->len > BTM_SCO_DATA_SIZE_MAX) |
| 365 | { |
| 366 | p_buf->len = BTM_SCO_DATA_SIZE_MAX; |
| 367 | status = BTM_SCO_BAD_LENGTH; |
| 368 | } |
| 369 | |
| 370 | UINT8_TO_STREAM (p, (UINT8)p_buf->len); |
| 371 | p_buf->len += HCI_SCO_PREAMBLE_SIZE; |
| 372 | |
| 373 | GKI_enqueue (&p_ccb->xmit_data_q, p_buf); |
| 374 | |
| 375 | btm_sco_check_send_pkts (sco_inx); |
| 376 | } |
| 377 | } |
| 378 | else |
| 379 | { |
| 380 | GKI_freebuf(p_buf); |
| 381 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 382 | BTM_TRACE_WARNING ("BTM_WriteScoData, invalid sco index: %d at state [%d]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 383 | sco_inx, btm_cb.sco_cb.sco_db[sco_inx].state); |
| 384 | status = BTM_UNKNOWN_ADDR; |
| 385 | } |
| 386 | |
| 387 | return (status); |
| 388 | |
| 389 | #else |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 390 | UNUSED(sco_inx); |
| 391 | UNUSED(p_buf); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 392 | return (BTM_NO_RESOURCES); |
| 393 | #endif |
| 394 | } |
| 395 | |
| 396 | #if (BTM_MAX_SCO_LINKS>0) |
| 397 | /******************************************************************************* |
| 398 | ** |
| 399 | ** Function btm_send_connect_request |
| 400 | ** |
| 401 | ** Description This function is called to respond to SCO connect indications |
| 402 | ** |
| 403 | ** Returns void |
| 404 | ** |
| 405 | *******************************************************************************/ |
| 406 | static tBTM_STATUS btm_send_connect_request(UINT16 acl_handle, |
| 407 | tBTM_ESCO_PARAMS *p_setup) |
| 408 | { |
| 409 | UINT16 temp_pkt_types; |
| 410 | UINT8 xx; |
| 411 | tACL_CONN *p_acl; |
| 412 | |
| 413 | /* Send connect request depending on version of spec */ |
| 414 | if (!btm_cb.sco_cb.esco_supported) |
| 415 | { |
| 416 | if (!btsnd_hcic_add_SCO_conn (acl_handle, BTM_ESCO_2_SCO(p_setup->packet_types))) |
| 417 | return (BTM_NO_RESOURCES); |
| 418 | } |
| 419 | else |
| 420 | { |
| 421 | temp_pkt_types = (p_setup->packet_types & BTM_SCO_SUPPORTED_PKTS_MASK & |
| 422 | btm_cb.btm_sco_pkt_types_supported); |
| 423 | |
| 424 | /* OR in any exception packet types if at least 2.0 version of spec */ |
| 425 | if (btm_cb.devcb.local_version.hci_version >= HCI_PROTO_VERSION_2_0) |
| 426 | { |
| 427 | temp_pkt_types |= ((p_setup->packet_types & BTM_SCO_EXCEPTION_PKTS_MASK) | |
| 428 | (btm_cb.btm_sco_pkt_types_supported & BTM_SCO_EXCEPTION_PKTS_MASK)); |
| 429 | } |
| 430 | |
| 431 | /* Finally, remove EDR eSCO if the remote device doesn't support it */ |
| 432 | /* UPF25: Only SCO was brought up in this case */ |
| 433 | btm_handle_to_acl_index(acl_handle); |
| 434 | if ((xx = btm_handle_to_acl_index(acl_handle)) < MAX_L2CAP_LINKS) |
| 435 | { |
| 436 | p_acl = &btm_cb.acl_db[xx]; |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 437 | if (!HCI_EDR_ESCO_2MPS_SUPPORTED(p_acl->peer_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 438 | { |
| 439 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 440 | BTM_TRACE_WARNING("BTM Remote does not support 2-EDR eSCO"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 441 | temp_pkt_types |= (HCI_ESCO_PKT_TYPES_MASK_NO_2_EV3 | |
| 442 | HCI_ESCO_PKT_TYPES_MASK_NO_2_EV5); |
| 443 | } |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 444 | if (!HCI_EDR_ESCO_3MPS_SUPPORTED(p_acl->peer_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 445 | { |
| 446 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 447 | BTM_TRACE_WARNING("BTM Remote does not support 3-EDR eSCO"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 448 | temp_pkt_types |= (HCI_ESCO_PKT_TYPES_MASK_NO_3_EV3 | |
| 449 | HCI_ESCO_PKT_TYPES_MASK_NO_3_EV5); |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 454 | BTM_TRACE_API(" txbw 0x%x, rxbw 0x%x, lat 0x%x, voice 0x%x, retrans 0x%02x, pkt 0x%04x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 455 | p_setup->tx_bw, p_setup->rx_bw, |
| 456 | p_setup->max_latency, p_setup->voice_contfmt, |
| 457 | p_setup->retrans_effort, temp_pkt_types); |
| 458 | |
| 459 | if (!btsnd_hcic_setup_esco_conn(acl_handle, |
| 460 | p_setup->tx_bw, |
| 461 | p_setup->rx_bw, |
| 462 | p_setup->max_latency, |
| 463 | p_setup->voice_contfmt, |
| 464 | p_setup->retrans_effort, |
| 465 | temp_pkt_types)) |
| 466 | return (BTM_NO_RESOURCES); |
| 467 | else |
| 468 | p_setup->packet_types = temp_pkt_types; |
| 469 | } |
| 470 | |
| 471 | return (BTM_CMD_STARTED); |
| 472 | } |
| 473 | #endif |
| 474 | |
| 475 | /******************************************************************************* |
| 476 | ** |
| 477 | ** Function btm_set_sco_ind_cback |
| 478 | ** |
| 479 | ** Description This function is called to register for TCS SCO connect |
| 480 | ** indications. |
| 481 | ** |
| 482 | ** Returns void |
| 483 | ** |
| 484 | *******************************************************************************/ |
| 485 | void btm_set_sco_ind_cback( tBTM_SCO_IND_CBACK *sco_ind_cb ) |
| 486 | { |
| 487 | btm_cb.sco_cb.app_sco_ind_cb = sco_ind_cb; |
| 488 | } |
| 489 | |
| 490 | /******************************************************************************* |
| 491 | ** |
| 492 | ** Function btm_accept_sco_link |
| 493 | ** |
| 494 | ** Description This function is called to respond to TCS SCO connect |
| 495 | ** indications |
| 496 | ** |
| 497 | ** Returns void |
| 498 | ** |
| 499 | *******************************************************************************/ |
| 500 | void btm_accept_sco_link(UINT16 sco_inx, tBTM_ESCO_PARAMS *p_setup, |
| 501 | tBTM_SCO_CB *p_conn_cb, tBTM_SCO_CB *p_disc_cb) |
| 502 | { |
| 503 | #if (BTM_MAX_SCO_LINKS>0) |
| 504 | tSCO_CONN *p_sco; |
| 505 | |
| 506 | if (sco_inx >= BTM_MAX_SCO_LINKS) |
| 507 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 508 | BTM_TRACE_ERROR("btm_accept_sco_link: Invalid sco_inx(%d)", sco_inx); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 509 | return; |
| 510 | } |
| 511 | |
| 512 | /* Link role is ignored in for this message */ |
| 513 | p_sco = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 514 | p_sco->p_conn_cb = p_conn_cb; |
| 515 | p_sco->p_disc_cb = p_disc_cb; |
| 516 | p_sco->esco.data.link_type = BTM_LINK_TYPE_ESCO; /* Accept with all supported types */ |
| 517 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 518 | BTM_TRACE_DEBUG("TCS accept SCO: Packet Types 0x%04x", p_setup->packet_types); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 519 | |
| 520 | btm_esco_conn_rsp(sco_inx, HCI_SUCCESS, p_sco->esco.data.bd_addr, p_setup); |
| 521 | #else |
| 522 | btm_reject_sco_link(sco_inx); |
| 523 | #endif |
| 524 | } |
| 525 | |
| 526 | /******************************************************************************* |
| 527 | ** |
| 528 | ** Function btm_reject_sco_link |
| 529 | ** |
| 530 | ** Description This function is called to respond to SCO connect indications |
| 531 | ** |
| 532 | ** Returns void |
| 533 | ** |
| 534 | *******************************************************************************/ |
| 535 | void btm_reject_sco_link( UINT16 sco_inx ) |
| 536 | { |
| 537 | btm_esco_conn_rsp(sco_inx, HCI_ERR_HOST_REJECT_RESOURCES, |
| 538 | btm_cb.sco_cb.sco_db[sco_inx].esco.data.bd_addr, NULL); |
| 539 | } |
| 540 | |
| 541 | /******************************************************************************* |
| 542 | ** |
| 543 | ** Function BTM_CreateSco |
| 544 | ** |
| 545 | ** Description This function is called to create an SCO connection. If the |
| 546 | ** "is_orig" flag is TRUE, the connection will be originated, |
| 547 | ** otherwise BTM will wait for the other side to connect. |
| 548 | ** |
| 549 | ** NOTE: If BTM_IGNORE_SCO_PKT_TYPE is passed in the pkt_types |
| 550 | ** parameter the default packet types is used. |
| 551 | ** |
| 552 | ** Returns BTM_UNKNOWN_ADDR if the ACL connection is not up |
| 553 | ** BTM_BUSY if another SCO being set up to |
| 554 | ** the same BD address |
| 555 | ** BTM_NO_RESOURCES if the max SCO limit has been reached |
| 556 | ** BTM_CMD_STARTED if the connection establishment is started. |
| 557 | ** In this case, "*p_sco_inx" is filled in |
| 558 | ** with the sco index used for the connection. |
| 559 | ** |
| 560 | *******************************************************************************/ |
| 561 | tBTM_STATUS BTM_CreateSco (BD_ADDR remote_bda, BOOLEAN is_orig, UINT16 pkt_types, |
| 562 | UINT16 *p_sco_inx, tBTM_SCO_CB *p_conn_cb, |
| 563 | tBTM_SCO_CB *p_disc_cb) |
| 564 | { |
| 565 | #if (BTM_MAX_SCO_LINKS > 0) |
| 566 | tBTM_ESCO_PARAMS *p_setup; |
| 567 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 568 | UINT16 xx; |
| 569 | UINT16 acl_handle = 0; |
| 570 | UINT16 temp_pkt_types; |
| 571 | tACL_CONN *p_acl; |
| 572 | |
| 573 | #if (BTM_PWR_MGR_INCLUDED == TRUE) && (BTM_SCO_WAKE_PARKED_LINK == TRUE) |
| 574 | tBTM_PM_MODE md; |
| 575 | tBTM_PM_PWR_MD pm; |
| 576 | #else |
| 577 | UINT8 mode; |
| 578 | #endif |
| 579 | |
| 580 | *p_sco_inx = BTM_INVALID_SCO_INDEX; |
| 581 | |
| 582 | /* If originating, ensure that there is an ACL connection to the BD Address */ |
| 583 | if (is_orig) |
| 584 | { |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 585 | if ((!remote_bda) || ((acl_handle = BTM_GetHCIConnHandle (remote_bda, BT_TRANSPORT_BR_EDR)) == 0xFFFF)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 586 | return (BTM_UNKNOWN_ADDR); |
| 587 | } |
| 588 | |
| 589 | if (remote_bda) |
| 590 | { |
| 591 | /* If any SCO is being established to the remote BD address, refuse this */ |
| 592 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 593 | { |
| 594 | if (((p->state == SCO_ST_CONNECTING) || (p->state == SCO_ST_LISTENING) |
| 595 | || (p->state == SCO_ST_PEND_UNPARK)) |
| 596 | && (!memcmp (p->esco.data.bd_addr, remote_bda, BD_ADDR_LEN))) |
| 597 | { |
| 598 | return (BTM_BUSY); |
| 599 | } |
| 600 | } |
| 601 | } |
| 602 | else |
| 603 | { |
| 604 | /* Support only 1 wildcard BD address at a time */ |
| 605 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 606 | { |
| 607 | if ((p->state == SCO_ST_LISTENING) && (!p->rem_bd_known)) |
| 608 | return (BTM_BUSY); |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | /* Now, try to find an unused control block, and kick off the SCO establishment */ |
| 613 | for (xx = 0, p = &btm_cb.sco_cb.sco_db[0]; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 614 | { |
| 615 | if (p->state == SCO_ST_UNUSED) |
| 616 | { |
| 617 | if (remote_bda) |
| 618 | { |
| 619 | if (is_orig) |
| 620 | { |
| 621 | /* can not create SCO link if in park mode */ |
| 622 | #if (BTM_PWR_MGR_INCLUDED == TRUE) && (BTM_SCO_WAKE_PARKED_LINK == TRUE) |
| 623 | if(BTM_ReadPowerMode(remote_bda, &md) == BTM_SUCCESS) |
| 624 | { |
| 625 | if (md == BTM_PM_MD_PARK || md == BTM_PM_MD_SNIFF) |
| 626 | { |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 627 | memset( (void*)&pm, 0, sizeof(pm)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 628 | pm.mode = BTM_PM_MD_ACTIVE; |
| 629 | BTM_SetPowerMode(BTM_PM_SET_ONLY_ID, remote_bda, &pm); |
| 630 | p->state = SCO_ST_PEND_UNPARK; |
| 631 | } |
| 632 | } |
| 633 | #elif BTM_PWR_MGR_INCLUDED == TRUE |
| 634 | if( (BTM_ReadPowerMode(remote_bda, &mode) == BTM_SUCCESS) && (mode == BTM_PM_MD_PARK) ) |
| 635 | return (BTM_WRONG_MODE); |
| 636 | #else |
| 637 | if( (BTM_ReadAclMode(remote_bda, &mode) == BTM_SUCCESS) && (mode == BTM_ACL_MODE_PARK) ) |
| 638 | return (BTM_WRONG_MODE); |
| 639 | #endif |
| 640 | } |
| 641 | memcpy (p->esco.data.bd_addr, remote_bda, BD_ADDR_LEN); |
| 642 | p->rem_bd_known = TRUE; |
| 643 | } |
| 644 | else |
| 645 | p->rem_bd_known = FALSE; |
| 646 | |
| 647 | /* Link role is ignored in for this message */ |
| 648 | if (pkt_types == BTM_IGNORE_SCO_PKT_TYPE) |
| 649 | pkt_types = btm_cb.sco_cb.def_esco_parms.packet_types; |
| 650 | |
| 651 | p_setup = &p->esco.setup; |
| 652 | *p_setup = btm_cb.sco_cb.def_esco_parms; |
| 653 | p_setup->packet_types = (btm_cb.sco_cb.desired_sco_mode == BTM_LINK_TYPE_SCO) |
| 654 | ? (pkt_types & BTM_SCO_LINK_ONLY_MASK) : pkt_types; |
| 655 | |
| 656 | temp_pkt_types = (p_setup->packet_types & BTM_SCO_SUPPORTED_PKTS_MASK & |
| 657 | btm_cb.btm_sco_pkt_types_supported); |
| 658 | |
| 659 | /* OR in any exception packet types if at least 2.0 version of spec */ |
| 660 | if (btm_cb.devcb.local_version.hci_version >= HCI_PROTO_VERSION_2_0) |
| 661 | { |
| 662 | if (btm_cb.sco_cb.desired_sco_mode == HCI_LINK_TYPE_ESCO) |
| 663 | { |
| 664 | temp_pkt_types |= ((p_setup->packet_types & BTM_SCO_EXCEPTION_PKTS_MASK) | |
| 665 | (btm_cb.btm_sco_pkt_types_supported & BTM_SCO_EXCEPTION_PKTS_MASK)); |
| 666 | } |
| 667 | else /* Only using SCO packet types; turn off EDR also */ |
| 668 | { |
| 669 | temp_pkt_types |= BTM_SCO_EXCEPTION_PKTS_MASK; |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | p_setup->packet_types = temp_pkt_types; |
| 674 | p->p_conn_cb = p_conn_cb; |
| 675 | p->p_disc_cb = p_disc_cb; |
| 676 | p->hci_handle = BTM_INVALID_HCI_HANDLE; |
| 677 | p->is_orig = is_orig; |
| 678 | |
| 679 | if( p->state != SCO_ST_PEND_UNPARK ) |
| 680 | { |
| 681 | if (is_orig) |
| 682 | { |
| 683 | /* If role change is in progress, do not proceed with SCO setup |
| 684 | * Wait till role change is complete */ |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 685 | p_acl = btm_bda_to_acl(remote_bda, BT_TRANSPORT_BR_EDR); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 686 | if (p_acl && p_acl->switch_role_state != BTM_ACL_SWKEY_STATE_IDLE) |
| 687 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 688 | BTM_TRACE_API("Role Change is in progress for ACL handle 0x%04x",acl_handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 689 | p->state = SCO_ST_PEND_ROLECHANGE; |
| 690 | |
| 691 | } |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | if( p->state != SCO_ST_PEND_UNPARK && p->state != SCO_ST_PEND_ROLECHANGE ) |
| 696 | { |
| 697 | if (is_orig) |
| 698 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 699 | BTM_TRACE_API("BTM_CreateSco -> (e)SCO Link for ACL handle 0x%04x, Desired Type %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 700 | acl_handle, btm_cb.sco_cb.desired_sco_mode); |
| 701 | |
| 702 | if ((btm_send_connect_request(acl_handle, p_setup)) != BTM_CMD_STARTED) |
| 703 | return (BTM_NO_RESOURCES); |
| 704 | |
| 705 | p->state = SCO_ST_CONNECTING; |
| 706 | } |
| 707 | else |
| 708 | p->state = SCO_ST_LISTENING; |
| 709 | } |
| 710 | |
| 711 | *p_sco_inx = xx; |
| 712 | |
| 713 | return (BTM_CMD_STARTED); |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | #endif |
| 718 | /* If here, all SCO blocks in use */ |
| 719 | return (BTM_NO_RESOURCES); |
| 720 | } |
| 721 | |
| 722 | #if (BTM_PWR_MGR_INCLUDED == TRUE) && (BTM_SCO_WAKE_PARKED_LINK == TRUE) |
| 723 | /******************************************************************************* |
| 724 | ** |
| 725 | ** Function btm_sco_chk_pend_unpark |
| 726 | ** |
| 727 | ** Description This function is called by BTIF when there is a mode change |
| 728 | ** event to see if there are SCO commands waiting for the unpark. |
| 729 | ** |
| 730 | ** Returns void |
| 731 | ** |
| 732 | *******************************************************************************/ |
| 733 | void btm_sco_chk_pend_unpark (UINT8 hci_status, UINT16 hci_handle) |
| 734 | { |
| 735 | #if (BTM_MAX_SCO_LINKS>0) |
| 736 | UINT16 xx; |
| 737 | UINT16 acl_handle; |
| 738 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 739 | |
| 740 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 741 | { |
| 742 | if ((p->state == SCO_ST_PEND_UNPARK) && |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 743 | ((acl_handle = BTM_GetHCIConnHandle (p->esco.data.bd_addr, BT_TRANSPORT_BR_EDR)) == hci_handle)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 744 | |
| 745 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 746 | BTM_TRACE_API("btm_sco_chk_pend_unpark -> (e)SCO Link for ACL handle 0x%04x, Desired Type %d, hci_status 0x%02x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 747 | acl_handle, btm_cb.sco_cb.desired_sco_mode, hci_status); |
| 748 | |
| 749 | if ((btm_send_connect_request(acl_handle, &p->esco.setup)) == BTM_CMD_STARTED) |
| 750 | p->state = SCO_ST_CONNECTING; |
| 751 | } |
| 752 | } |
| 753 | #endif |
| 754 | } |
| 755 | #endif |
| 756 | |
| 757 | /******************************************************************************* |
| 758 | ** |
| 759 | ** Function btm_sco_chk_pend_rolechange |
| 760 | ** |
| 761 | ** Description This function is called by BTIF when there is a role change |
| 762 | ** event to see if there are SCO commands waiting for the role change. |
| 763 | ** |
| 764 | ** Returns void |
| 765 | ** |
| 766 | *******************************************************************************/ |
| 767 | void btm_sco_chk_pend_rolechange (UINT16 hci_handle) |
| 768 | { |
| 769 | #if (BTM_MAX_SCO_LINKS>0) |
| 770 | UINT16 xx; |
| 771 | UINT16 acl_handle; |
| 772 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 773 | |
| 774 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 775 | { |
| 776 | if ((p->state == SCO_ST_PEND_ROLECHANGE) && |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 777 | ((acl_handle = BTM_GetHCIConnHandle (p->esco.data.bd_addr, BT_TRANSPORT_BR_EDR)) == hci_handle)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 778 | |
| 779 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 780 | BTM_TRACE_API("btm_sco_chk_pend_rolechange -> (e)SCO Link for ACL handle 0x%04x", acl_handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 781 | |
| 782 | if ((btm_send_connect_request(acl_handle, &p->esco.setup)) == BTM_CMD_STARTED) |
| 783 | p->state = SCO_ST_CONNECTING; |
| 784 | } |
| 785 | } |
| 786 | #endif |
| 787 | } |
| 788 | |
| 789 | /******************************************************************************* |
| 790 | ** |
| 791 | ** Function btm_sco_conn_req |
| 792 | ** |
| 793 | ** Description This function is called by BTIF when an SCO connection |
| 794 | ** request is received from a remote. |
| 795 | ** |
| 796 | ** Returns void |
| 797 | ** |
| 798 | *******************************************************************************/ |
| 799 | void btm_sco_conn_req (BD_ADDR bda, DEV_CLASS dev_class, UINT8 link_type) |
| 800 | { |
| 801 | #if (BTM_MAX_SCO_LINKS>0) |
| 802 | tSCO_CB *p_sco = &btm_cb.sco_cb; |
| 803 | tSCO_CONN *p = &p_sco->sco_db[0]; |
| 804 | UINT16 xx; |
| 805 | tBTM_ESCO_CONN_REQ_EVT_DATA evt_data; |
| 806 | |
| 807 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 808 | { |
| 809 | /* |
| 810 | * If the sco state is in the SCO_ST_CONNECTING state, we still need |
| 811 | * to return accept sco to avoid race conditon for sco creation |
| 812 | */ |
| 813 | if (((p->state == SCO_ST_LISTENING && p->rem_bd_known) || p->state == SCO_ST_CONNECTING) |
| 814 | && (!memcmp (p->esco.data.bd_addr, bda, BD_ADDR_LEN))) |
| 815 | { |
| 816 | /* If this guy was a wildcard, he is not one any more */ |
| 817 | p->rem_bd_known = TRUE; |
| 818 | p->esco.data.link_type = link_type; |
| 819 | p->state = SCO_ST_W4_CONN_RSP; |
| 820 | memcpy (p->esco.data.bd_addr, bda, BD_ADDR_LEN); |
| 821 | |
| 822 | /* If no callback, auto-accept the connection if packet types match */ |
| 823 | if (!p->esco.p_esco_cback) |
| 824 | { |
| 825 | /* If requesting eSCO reject if default parameters are SCO only */ |
| 826 | if ((link_type == BTM_LINK_TYPE_ESCO |
| 827 | && !(p_sco->def_esco_parms.packet_types & BTM_ESCO_LINK_ONLY_MASK) |
| 828 | && ((p_sco->def_esco_parms.packet_types & BTM_SCO_EXCEPTION_PKTS_MASK) |
| 829 | == BTM_SCO_EXCEPTION_PKTS_MASK)) |
| 830 | |
| 831 | /* Reject request if SCO is desired but no SCO packets delected */ |
| 832 | || (link_type == BTM_LINK_TYPE_SCO |
| 833 | && !(p_sco->def_esco_parms.packet_types & BTM_SCO_LINK_ONLY_MASK))) |
| 834 | { |
| 835 | btm_esco_conn_rsp(xx, HCI_ERR_HOST_REJECT_RESOURCES, bda, NULL); |
| 836 | } |
| 837 | else /* Accept the request */ |
| 838 | { |
| 839 | btm_esco_conn_rsp(xx, HCI_SUCCESS, bda, NULL); |
| 840 | } |
| 841 | } |
| 842 | else /* Notify upper layer of connect indication */ |
| 843 | { |
| 844 | memcpy(evt_data.bd_addr, bda, BD_ADDR_LEN); |
| 845 | memcpy(evt_data.dev_class, dev_class, DEV_CLASS_LEN); |
| 846 | evt_data.link_type = link_type; |
| 847 | evt_data.sco_inx = xx; |
| 848 | p->esco.p_esco_cback(BTM_ESCO_CONN_REQ_EVT, (tBTM_ESCO_EVT_DATA *)&evt_data); |
| 849 | } |
| 850 | |
| 851 | return; |
| 852 | } |
| 853 | } |
| 854 | |
| 855 | /* TCS usage */ |
| 856 | if (btm_cb.sco_cb.app_sco_ind_cb) |
| 857 | { |
| 858 | /* Now, try to find an unused control block */ |
| 859 | for (xx = 0, p = &btm_cb.sco_cb.sco_db[0]; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 860 | { |
| 861 | if (p->state == SCO_ST_UNUSED) |
| 862 | { |
| 863 | p->is_orig = FALSE; |
| 864 | p->state = SCO_ST_LISTENING; |
| 865 | |
| 866 | p->esco.data.link_type = link_type; |
| 867 | memcpy (p->esco.data.bd_addr, bda, BD_ADDR_LEN); |
| 868 | p->rem_bd_known = TRUE; |
| 869 | break; |
| 870 | } |
| 871 | } |
| 872 | if( xx < BTM_MAX_SCO_LINKS) |
| 873 | { |
| 874 | btm_cb.sco_cb.app_sco_ind_cb(xx); |
| 875 | return; |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | #endif |
| 880 | /* If here, no one wants the SCO connection. Reject it */ |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 881 | BTM_TRACE_WARNING("btm_sco_conn_req: No one wants this SCO connection; rejecting it"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 882 | btm_esco_conn_rsp(BTM_MAX_SCO_LINKS, HCI_ERR_HOST_REJECT_RESOURCES, bda, NULL); |
| 883 | } |
| 884 | |
| 885 | /******************************************************************************* |
| 886 | ** |
| 887 | ** Function btm_sco_connected |
| 888 | ** |
| 889 | ** Description This function is called by BTIF when an (e)SCO connection |
| 890 | ** is connected. |
| 891 | ** |
| 892 | ** Returns void |
| 893 | ** |
| 894 | *******************************************************************************/ |
| 895 | void btm_sco_connected (UINT8 hci_status, BD_ADDR bda, UINT16 hci_handle, |
| 896 | tBTM_ESCO_DATA *p_esco_data) |
| 897 | { |
| 898 | #if (BTM_MAX_SCO_LINKS>0) |
| 899 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 900 | UINT16 xx; |
| 901 | BOOLEAN spt = FALSE; |
| 902 | tBTM_CHG_ESCO_PARAMS parms; |
| 903 | #endif |
| 904 | |
| 905 | btm_cb.sco_cb.sco_disc_reason = hci_status; |
| 906 | |
| 907 | #if (BTM_MAX_SCO_LINKS>0) |
| 908 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 909 | { |
| 910 | if (((p->state == SCO_ST_CONNECTING) || |
| 911 | (p->state == SCO_ST_LISTENING) || |
| 912 | (p->state == SCO_ST_W4_CONN_RSP)) |
| 913 | && (p->rem_bd_known) |
| 914 | && (!bda || !memcmp (p->esco.data.bd_addr, bda, BD_ADDR_LEN))) |
| 915 | { |
| 916 | if (hci_status != HCI_SUCCESS) |
| 917 | { |
| 918 | /* Report the error if originator, otherwise remain in Listen mode */ |
| 919 | if (p->is_orig) |
| 920 | { |
| 921 | /* If role switch is pending, we need try again after role switch is complete */ |
| 922 | if(hci_status == HCI_ERR_ROLE_SWITCH_PENDING) |
| 923 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 924 | BTM_TRACE_API("Role Change pending for HCI handle 0x%04x",hci_handle); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 925 | p->state = SCO_ST_PEND_ROLECHANGE; |
| 926 | } |
| 927 | /* avoid calling disconnect callback because of sco creation race */ |
| 928 | else if (hci_status != HCI_ERR_LMP_ERR_TRANS_COLLISION) |
| 929 | { |
| 930 | p->state = SCO_ST_UNUSED; |
| 931 | (*p->p_disc_cb)(xx); |
| 932 | } |
| 933 | } |
| 934 | else |
| 935 | { |
| 936 | /* Notify the upper layer that incoming sco connection has failed. */ |
| 937 | if (p->state == SCO_ST_CONNECTING) |
| 938 | { |
| 939 | p->state = SCO_ST_UNUSED; |
| 940 | (*p->p_disc_cb)(xx); |
| 941 | } |
| 942 | else |
| 943 | p->state = SCO_ST_LISTENING; |
| 944 | } |
| 945 | |
| 946 | return; |
| 947 | } |
| 948 | |
| 949 | if (p->state == SCO_ST_LISTENING) |
| 950 | spt = TRUE; |
| 951 | |
| 952 | p->state = SCO_ST_CONNECTED; |
| 953 | p->hci_handle = hci_handle; |
| 954 | |
| 955 | if (!btm_cb.sco_cb.esco_supported) |
| 956 | { |
| 957 | p->esco.data.link_type = BTM_LINK_TYPE_SCO; |
| 958 | if (spt) |
| 959 | { |
| 960 | parms.packet_types = p->esco.setup.packet_types; |
| 961 | /* Keep the other parameters the same for SCO */ |
| 962 | parms.max_latency = p->esco.setup.max_latency; |
| 963 | parms.retrans_effort = p->esco.setup.retrans_effort; |
| 964 | |
| 965 | BTM_ChangeEScoLinkParms(xx, &parms); |
| 966 | } |
| 967 | } |
| 968 | else |
| 969 | { |
| 970 | if (p_esco_data) |
| 971 | p->esco.data = *p_esco_data; |
| 972 | } |
| 973 | |
| 974 | (*p->p_conn_cb)(xx); |
| 975 | |
| 976 | return; |
| 977 | } |
| 978 | } |
| 979 | #endif |
| 980 | } |
| 981 | |
| 982 | |
| 983 | /******************************************************************************* |
| 984 | ** |
| 985 | ** Function btm_find_scb_by_handle |
| 986 | ** |
| 987 | ** Description Look through all active SCO connection for a match based on the |
| 988 | ** HCI handle. |
| 989 | ** |
| 990 | ** Returns index to matched SCO connection CB, or BTM_MAX_SCO_LINKS if |
| 991 | ** no match. |
| 992 | ** |
| 993 | *******************************************************************************/ |
| 994 | UINT16 btm_find_scb_by_handle (UINT16 handle) |
| 995 | { |
| 996 | int xx; |
| 997 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 998 | |
| 999 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 1000 | { |
| 1001 | if ((p->state == SCO_ST_CONNECTED) && (p->hci_handle == handle)) |
| 1002 | { |
| 1003 | return (xx); |
| 1004 | } |
| 1005 | } |
| 1006 | |
| 1007 | /* If here, no match found */ |
| 1008 | return (xx); |
| 1009 | } |
| 1010 | |
| 1011 | /******************************************************************************* |
| 1012 | ** |
| 1013 | ** Function BTM_RemoveSco |
| 1014 | ** |
| 1015 | ** Description This function is called to remove a specific SCO connection. |
| 1016 | ** |
| 1017 | ** Returns status of the operation |
| 1018 | ** |
| 1019 | *******************************************************************************/ |
| 1020 | tBTM_STATUS BTM_RemoveSco (UINT16 sco_inx) |
| 1021 | { |
| 1022 | #if (BTM_MAX_SCO_LINKS>0) |
| 1023 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 1024 | UINT16 tempstate; |
| 1025 | |
| 1026 | /* Validity check */ |
| 1027 | if ((sco_inx >= BTM_MAX_SCO_LINKS) || (p->state == SCO_ST_UNUSED)) |
| 1028 | return (BTM_UNKNOWN_ADDR); |
| 1029 | |
| 1030 | /* If no HCI handle, simply drop the connection and return */ |
| 1031 | if (p->hci_handle == BTM_INVALID_HCI_HANDLE || p->state == SCO_ST_PEND_UNPARK) |
| 1032 | { |
| 1033 | p->hci_handle = BTM_INVALID_HCI_HANDLE; |
| 1034 | p->state = SCO_ST_UNUSED; |
| 1035 | p->esco.p_esco_cback = NULL; /* Deregister the eSCO event callback */ |
| 1036 | return (BTM_SUCCESS); |
| 1037 | } |
| 1038 | |
| 1039 | tempstate = p->state; |
| 1040 | p->state = SCO_ST_DISCONNECTING; |
| 1041 | |
| 1042 | if (!btsnd_hcic_disconnect (p->hci_handle, HCI_ERR_PEER_USER)) |
| 1043 | { |
| 1044 | p->state = tempstate; |
| 1045 | return (BTM_NO_RESOURCES); |
| 1046 | } |
| 1047 | |
| 1048 | return (BTM_CMD_STARTED); |
| 1049 | #else |
| 1050 | return (BTM_NO_RESOURCES); |
| 1051 | #endif |
| 1052 | } |
| 1053 | |
| 1054 | /******************************************************************************* |
| 1055 | ** |
| 1056 | ** Function btm_remove_sco_links |
| 1057 | ** |
| 1058 | ** Description This function is called to remove all sco links for an ACL link. |
| 1059 | ** |
| 1060 | ** Returns void |
| 1061 | ** |
| 1062 | *******************************************************************************/ |
| 1063 | void btm_remove_sco_links (BD_ADDR bda) |
| 1064 | { |
| 1065 | #if (BTM_MAX_SCO_LINKS>0) |
| 1066 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 1067 | UINT16 xx; |
| 1068 | |
| 1069 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 1070 | { |
| 1071 | if (p->rem_bd_known && (!memcmp (p->esco.data.bd_addr, bda, BD_ADDR_LEN))) |
| 1072 | { |
| 1073 | BTM_RemoveSco(xx); |
| 1074 | } |
| 1075 | } |
| 1076 | #endif |
| 1077 | } |
| 1078 | |
| 1079 | /******************************************************************************* |
| 1080 | ** |
| 1081 | ** Function btm_sco_removed |
| 1082 | ** |
| 1083 | ** Description This function is called by BTIF when an SCO connection |
| 1084 | ** is removed. |
| 1085 | ** |
| 1086 | ** Returns void |
| 1087 | ** |
| 1088 | *******************************************************************************/ |
| 1089 | void btm_sco_removed (UINT16 hci_handle, UINT8 reason) |
| 1090 | { |
| 1091 | #if (BTM_MAX_SCO_LINKS>0) |
| 1092 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 1093 | UINT16 xx; |
| 1094 | #endif |
| 1095 | |
| 1096 | btm_cb.sco_cb.sco_disc_reason = reason; |
| 1097 | |
| 1098 | #if (BTM_MAX_SCO_LINKS>0) |
| 1099 | p = &btm_cb.sco_cb.sco_db[0]; |
| 1100 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 1101 | { |
| 1102 | if ((p->state != SCO_ST_UNUSED) && (p->state != SCO_ST_LISTENING) && (p->hci_handle == hci_handle)) |
| 1103 | { |
| 1104 | btm_sco_flush_sco_data(xx); |
| 1105 | |
| 1106 | p->state = SCO_ST_UNUSED; |
| 1107 | p->hci_handle = BTM_INVALID_HCI_HANDLE; |
| 1108 | p->rem_bd_known = FALSE; |
| 1109 | p->esco.p_esco_cback = NULL; /* Deregister eSCO callback */ |
| 1110 | (*p->p_disc_cb)(xx); |
| 1111 | |
| 1112 | return; |
| 1113 | } |
| 1114 | } |
| 1115 | #endif |
| 1116 | } |
| 1117 | |
| 1118 | |
| 1119 | /******************************************************************************* |
| 1120 | ** |
| 1121 | ** Function btm_sco_acl_removed |
| 1122 | ** |
| 1123 | ** Description This function is called when an ACL connection is |
| 1124 | ** removed. If the BD address is NULL, it is assumed that |
| 1125 | ** the local device is down, and all SCO links are removed. |
| 1126 | ** If a specific BD address is passed, only SCO connections |
| 1127 | ** to that BD address are removed. |
| 1128 | ** |
| 1129 | ** Returns void |
| 1130 | ** |
| 1131 | *******************************************************************************/ |
| 1132 | void btm_sco_acl_removed (BD_ADDR bda) |
| 1133 | { |
| 1134 | #if (BTM_MAX_SCO_LINKS>0) |
| 1135 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 1136 | UINT16 xx; |
| 1137 | |
| 1138 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 1139 | { |
| 1140 | if (p->state != SCO_ST_UNUSED) |
| 1141 | { |
| 1142 | if ((!bda) || (!memcmp (p->esco.data.bd_addr, bda, BD_ADDR_LEN) && p->rem_bd_known)) |
| 1143 | { |
| 1144 | btm_sco_flush_sco_data(xx); |
| 1145 | |
| 1146 | p->state = SCO_ST_UNUSED; |
| 1147 | p->esco.p_esco_cback = NULL; /* Deregister eSCO callback */ |
| 1148 | (*p->p_disc_cb)(xx); |
| 1149 | } |
| 1150 | } |
| 1151 | } |
| 1152 | #endif |
| 1153 | } |
| 1154 | |
| 1155 | |
| 1156 | /******************************************************************************* |
| 1157 | ** |
| 1158 | ** Function BTM_SetScoPacketTypes |
| 1159 | ** |
| 1160 | ** Description This function is called to set the packet types used for |
| 1161 | ** a specific SCO connection, |
| 1162 | ** |
| 1163 | ** Parameters pkt_types - One or more of the following |
| 1164 | ** BTM_SCO_PKT_TYPES_MASK_HV1 |
| 1165 | ** BTM_SCO_PKT_TYPES_MASK_HV2 |
| 1166 | ** BTM_SCO_PKT_TYPES_MASK_HV3 |
| 1167 | ** BTM_SCO_PKT_TYPES_MASK_EV3 |
| 1168 | ** BTM_SCO_PKT_TYPES_MASK_EV4 |
| 1169 | ** BTM_SCO_PKT_TYPES_MASK_EV5 |
| 1170 | ** BTM_SCO_PKT_TYPES_MASK_NO_2_EV3 |
| 1171 | ** BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 |
| 1172 | ** BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 |
| 1173 | ** BTM_SCO_PKT_TYPES_MASK_NO_3_EV5 |
| 1174 | ** |
| 1175 | ** BTM_SCO_LINK_ALL_MASK - enables all supported types |
| 1176 | ** |
| 1177 | ** Returns status of the operation |
| 1178 | ** |
| 1179 | *******************************************************************************/ |
| 1180 | tBTM_STATUS BTM_SetScoPacketTypes (UINT16 sco_inx, UINT16 pkt_types) |
| 1181 | { |
| 1182 | #if (BTM_MAX_SCO_LINKS>0) |
| 1183 | tBTM_CHG_ESCO_PARAMS parms; |
| 1184 | tSCO_CONN *p; |
| 1185 | |
| 1186 | /* Validity check */ |
| 1187 | if (sco_inx >= BTM_MAX_SCO_LINKS) |
| 1188 | return (BTM_UNKNOWN_ADDR); |
| 1189 | |
| 1190 | p = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 1191 | parms.packet_types = pkt_types; |
| 1192 | |
| 1193 | /* Keep the other parameters the same for SCO */ |
| 1194 | parms.max_latency = p->esco.setup.max_latency; |
| 1195 | parms.retrans_effort = p->esco.setup.retrans_effort; |
| 1196 | |
| 1197 | return (BTM_ChangeEScoLinkParms(sco_inx, &parms)); |
| 1198 | #else |
| 1199 | return (BTM_UNKNOWN_ADDR); |
| 1200 | #endif |
| 1201 | } |
| 1202 | |
| 1203 | |
| 1204 | /******************************************************************************* |
| 1205 | ** |
| 1206 | ** Function BTM_ReadScoPacketTypes |
| 1207 | ** |
| 1208 | ** Description This function is read the packet types used for a specific |
| 1209 | ** SCO connection. |
| 1210 | ** |
| 1211 | ** Returns Packet types supported for the connection |
| 1212 | ** One or more of the following (bitmask): |
| 1213 | ** BTM_SCO_PKT_TYPES_MASK_HV1 |
| 1214 | ** BTM_SCO_PKT_TYPES_MASK_HV2 |
| 1215 | ** BTM_SCO_PKT_TYPES_MASK_HV3 |
| 1216 | ** BTM_SCO_PKT_TYPES_MASK_EV3 |
| 1217 | ** BTM_SCO_PKT_TYPES_MASK_EV4 |
| 1218 | ** BTM_SCO_PKT_TYPES_MASK_EV5 |
| 1219 | ** BTM_SCO_PKT_TYPES_MASK_NO_2_EV3 |
| 1220 | ** BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 |
| 1221 | ** BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 |
| 1222 | ** BTM_SCO_PKT_TYPES_MASK_NO_3_EV5 |
| 1223 | ** |
| 1224 | *******************************************************************************/ |
| 1225 | UINT16 BTM_ReadScoPacketTypes (UINT16 sco_inx) |
| 1226 | { |
| 1227 | #if (BTM_MAX_SCO_LINKS>0) |
| 1228 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 1229 | |
| 1230 | /* Validity check */ |
| 1231 | if ((sco_inx < BTM_MAX_SCO_LINKS) && (p->state == SCO_ST_CONNECTED)) |
| 1232 | return (p->esco.setup.packet_types); |
| 1233 | else |
| 1234 | return (0); |
| 1235 | #else |
| 1236 | return (0); |
| 1237 | #endif |
| 1238 | } |
| 1239 | |
| 1240 | /******************************************************************************* |
| 1241 | ** |
| 1242 | ** Function BTM_ReadScoDiscReason |
| 1243 | ** |
| 1244 | ** Description This function is returns the reason why an (e)SCO connection |
| 1245 | ** has been removed. It contains the value until read, or until |
| 1246 | ** another (e)SCO connection has disconnected. |
| 1247 | ** |
| 1248 | ** Returns HCI reason or BTM_INVALID_SCO_DISC_REASON if not set. |
| 1249 | ** |
| 1250 | *******************************************************************************/ |
| 1251 | UINT16 BTM_ReadScoDiscReason (void) |
| 1252 | { |
| 1253 | UINT16 res = btm_cb.sco_cb.sco_disc_reason; |
| 1254 | btm_cb.sco_cb.sco_disc_reason = BTM_INVALID_SCO_DISC_REASON; |
| 1255 | return (res); |
| 1256 | } |
| 1257 | |
| 1258 | /******************************************************************************* |
| 1259 | ** |
| 1260 | ** Function BTM_ReadDeviceScoPacketTypes |
| 1261 | ** |
| 1262 | ** Description This function is read the SCO packet types that |
| 1263 | ** the device supports. |
| 1264 | ** |
| 1265 | ** Returns Packet types supported by the device. |
| 1266 | ** One or more of the following (bitmask): |
| 1267 | ** BTM_SCO_PKT_TYPES_MASK_HV1 |
| 1268 | ** BTM_SCO_PKT_TYPES_MASK_HV2 |
| 1269 | ** BTM_SCO_PKT_TYPES_MASK_HV3 |
| 1270 | ** BTM_SCO_PKT_TYPES_MASK_EV3 |
| 1271 | ** BTM_SCO_PKT_TYPES_MASK_EV4 |
| 1272 | ** BTM_SCO_PKT_TYPES_MASK_EV5 |
| 1273 | ** BTM_SCO_PKT_TYPES_MASK_NO_2_EV3 |
| 1274 | ** BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 |
| 1275 | ** BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 |
| 1276 | ** BTM_SCO_PKT_TYPES_MASK_NO_3_EV5 |
| 1277 | ** |
| 1278 | *******************************************************************************/ |
| 1279 | UINT16 BTM_ReadDeviceScoPacketTypes (void) |
| 1280 | { |
| 1281 | return (btm_cb.btm_sco_pkt_types_supported); |
| 1282 | } |
| 1283 | |
| 1284 | /******************************************************************************* |
| 1285 | ** |
| 1286 | ** Function BTM_ReadScoHandle |
| 1287 | ** |
| 1288 | ** Description This function is used to read the HCI handle used for a specific |
| 1289 | ** SCO connection, |
| 1290 | ** |
| 1291 | ** Returns handle for the connection, or 0xFFFF if invalid SCO index. |
| 1292 | ** |
| 1293 | *******************************************************************************/ |
| 1294 | UINT16 BTM_ReadScoHandle (UINT16 sco_inx) |
| 1295 | { |
| 1296 | #if (BTM_MAX_SCO_LINKS>0) |
| 1297 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 1298 | |
| 1299 | /* Validity check */ |
| 1300 | if ((sco_inx < BTM_MAX_SCO_LINKS) && (p->state == SCO_ST_CONNECTED)) |
| 1301 | return (p->hci_handle); |
| 1302 | else |
| 1303 | return (BTM_INVALID_HCI_HANDLE); |
| 1304 | #else |
| 1305 | return (BTM_INVALID_HCI_HANDLE); |
| 1306 | #endif |
| 1307 | } |
| 1308 | |
| 1309 | /******************************************************************************* |
| 1310 | ** |
| 1311 | ** Function BTM_ReadScoBdAddr |
| 1312 | ** |
| 1313 | ** Description This function is read the remote BD Address for a specific |
| 1314 | ** SCO connection, |
| 1315 | ** |
| 1316 | ** Returns pointer to BD address or NULL if not known |
| 1317 | ** |
| 1318 | *******************************************************************************/ |
| 1319 | UINT8 *BTM_ReadScoBdAddr (UINT16 sco_inx) |
| 1320 | { |
| 1321 | #if (BTM_MAX_SCO_LINKS>0) |
| 1322 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 1323 | |
| 1324 | /* Validity check */ |
| 1325 | if ((sco_inx < BTM_MAX_SCO_LINKS) && (p->rem_bd_known)) |
| 1326 | return (p->esco.data.bd_addr); |
| 1327 | else |
| 1328 | return (NULL); |
| 1329 | #else |
| 1330 | return (NULL); |
| 1331 | #endif |
| 1332 | } |
| 1333 | |
| 1334 | /******************************************************************************* |
| 1335 | ** |
| 1336 | ** Function BTM_SetEScoMode |
| 1337 | ** |
| 1338 | ** Description This function sets up the negotiated parameters for SCO or |
| 1339 | ** eSCO, and sets as the default mode used for outgoing calls to |
| 1340 | ** BTM_CreateSco. It does not change any currently active (e)SCO links. |
| 1341 | ** Note: Incoming (e)SCO connections will always use packet types |
| 1342 | ** supported by the controller. If eSCO is not desired the |
| 1343 | ** feature should be disabled in the controller's feature mask. |
| 1344 | ** |
| 1345 | ** Returns BTM_SUCCESS if the successful. |
| 1346 | ** BTM_BUSY if there are one or more active (e)SCO links. |
| 1347 | ** |
| 1348 | *******************************************************************************/ |
| 1349 | tBTM_STATUS BTM_SetEScoMode (tBTM_SCO_TYPE sco_mode, tBTM_ESCO_PARAMS *p_parms) |
| 1350 | { |
| 1351 | tSCO_CB *p_esco = &btm_cb.sco_cb; |
| 1352 | tBTM_ESCO_PARAMS *p_def = &p_esco->def_esco_parms; |
| 1353 | |
| 1354 | if (p_esco->esco_supported) |
| 1355 | { |
| 1356 | if (p_parms) |
| 1357 | { |
| 1358 | if (sco_mode == BTM_LINK_TYPE_ESCO) |
| 1359 | *p_def = *p_parms; /* Save as the default parameters */ |
| 1360 | else /* Load only the SCO packet types */ |
| 1361 | { |
| 1362 | p_def->packet_types = p_parms->packet_types; |
| 1363 | p_def->tx_bw = BTM_64KBITS_RATE; |
| 1364 | p_def->rx_bw = BTM_64KBITS_RATE; |
| 1365 | p_def->max_latency = 0x000a; |
| 1366 | p_def->voice_contfmt = 0x0060; |
| 1367 | p_def->retrans_effort = 0; |
| 1368 | |
| 1369 | /* OR in any exception packet types if at least 2.0 version of spec */ |
| 1370 | if (btm_cb.devcb.local_version.hci_version >= HCI_PROTO_VERSION_2_0) |
| 1371 | { |
| 1372 | p_def->packet_types |= BTM_SCO_EXCEPTION_PKTS_MASK; |
| 1373 | } |
| 1374 | } |
| 1375 | } |
| 1376 | p_esco->desired_sco_mode = sco_mode; |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1377 | BTM_TRACE_API("BTM_SetEScoMode -> mode %d", sco_mode); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1378 | } |
| 1379 | else |
| 1380 | { |
| 1381 | p_esco->desired_sco_mode = BTM_LINK_TYPE_SCO; |
| 1382 | p_def->packet_types &= BTM_SCO_LINK_ONLY_MASK; |
| 1383 | p_def->retrans_effort = 0; |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1384 | BTM_TRACE_API("BTM_SetEScoMode -> mode SCO (eSCO not supported)"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1385 | } |
| 1386 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1387 | BTM_TRACE_DEBUG(" txbw 0x%08x, rxbw 0x%08x, max_lat 0x%04x, voice 0x%04x, pkt 0x%04x, rtx effort 0x%02x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1388 | p_def->tx_bw, p_def->rx_bw, p_def->max_latency, |
| 1389 | p_def->voice_contfmt, p_def->packet_types, |
| 1390 | p_def->retrans_effort); |
| 1391 | |
| 1392 | return (BTM_SUCCESS); |
| 1393 | } |
| 1394 | |
| 1395 | |
| 1396 | |
| 1397 | /******************************************************************************* |
| 1398 | ** |
| 1399 | ** Function BTM_RegForEScoEvts |
| 1400 | ** |
| 1401 | ** Description This function registers a SCO event callback with the |
| 1402 | ** specified instance. It should be used to received |
| 1403 | ** connection indication events and change of link parameter |
| 1404 | ** events. |
| 1405 | ** |
| 1406 | ** Returns BTM_SUCCESS if the successful. |
| 1407 | ** BTM_ILLEGAL_VALUE if there is an illegal sco_inx |
| 1408 | ** BTM_MODE_UNSUPPORTED if controller version is not BT1.2 or |
| 1409 | ** later or does not support eSCO. |
| 1410 | ** |
| 1411 | *******************************************************************************/ |
| 1412 | tBTM_STATUS BTM_RegForEScoEvts (UINT16 sco_inx, tBTM_ESCO_CBACK *p_esco_cback) |
| 1413 | { |
| 1414 | #if (BTM_MAX_SCO_LINKS>0) |
| 1415 | if (!btm_cb.sco_cb.esco_supported) |
| 1416 | { |
| 1417 | btm_cb.sco_cb.sco_db[sco_inx].esco.p_esco_cback = NULL; |
| 1418 | return (BTM_MODE_UNSUPPORTED); |
| 1419 | } |
| 1420 | |
| 1421 | if (sco_inx < BTM_MAX_SCO_LINKS && |
| 1422 | btm_cb.sco_cb.sco_db[sco_inx].state != SCO_ST_UNUSED) |
| 1423 | { |
| 1424 | btm_cb.sco_cb.sco_db[sco_inx].esco.p_esco_cback = p_esco_cback; |
| 1425 | return (BTM_SUCCESS); |
| 1426 | } |
| 1427 | return (BTM_ILLEGAL_VALUE); |
| 1428 | #else |
| 1429 | return (BTM_MODE_UNSUPPORTED); |
| 1430 | #endif |
| 1431 | } |
| 1432 | |
| 1433 | /******************************************************************************* |
| 1434 | ** |
| 1435 | ** Function BTM_ReadEScoLinkParms |
| 1436 | ** |
| 1437 | ** Description This function returns the current eSCO link parameters for |
| 1438 | ** the specified handle. This can be called anytime a connection |
| 1439 | ** is active, but is typically called after receiving the SCO |
| 1440 | ** opened callback. |
| 1441 | ** |
| 1442 | ** Note: If called over a 1.1 controller, only the packet types |
| 1443 | ** field has meaning. |
| 1444 | ** |
| 1445 | ** Returns BTM_SUCCESS if returned data is valid connection. |
| 1446 | ** BTM_WRONG_MODE if no connection with a peer device or bad sco_inx. |
| 1447 | ** |
| 1448 | *******************************************************************************/ |
| 1449 | tBTM_STATUS BTM_ReadEScoLinkParms (UINT16 sco_inx, tBTM_ESCO_DATA *p_parms) |
| 1450 | { |
| 1451 | #if (BTM_MAX_SCO_LINKS>0) |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1452 | UINT8 index; |
| 1453 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1454 | BTM_TRACE_API("BTM_ReadEScoLinkParms -> sco_inx 0x%04x", sco_inx); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1455 | |
| 1456 | if (sco_inx < BTM_MAX_SCO_LINKS && |
| 1457 | btm_cb.sco_cb.sco_db[sco_inx].state >= SCO_ST_CONNECTED) |
| 1458 | { |
| 1459 | *p_parms = btm_cb.sco_cb.sco_db[sco_inx].esco.data; |
| 1460 | return (BTM_SUCCESS); |
| 1461 | } |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1462 | |
| 1463 | if (sco_inx == BTM_FIRST_ACTIVE_SCO_INDEX) |
| 1464 | { |
| 1465 | for (index = 0; index < BTM_MAX_SCO_LINKS; index++) |
| 1466 | { |
| 1467 | if (btm_cb.sco_cb.sco_db[index].state >= SCO_ST_CONNECTED) |
| 1468 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1469 | BTM_TRACE_API("BTM_ReadEScoLinkParms the first active SCO index is %d",index); |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 1470 | *p_parms = btm_cb.sco_cb.sco_db[index].esco.data; |
| 1471 | return (BTM_SUCCESS); |
| 1472 | } |
| 1473 | } |
| 1474 | } |
| 1475 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1476 | #endif |
| 1477 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1478 | BTM_TRACE_API("BTM_ReadEScoLinkParms cannot find the SCO index!"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1479 | memset(p_parms, 0, sizeof(tBTM_ESCO_DATA)); |
| 1480 | return (BTM_WRONG_MODE); |
| 1481 | } |
| 1482 | |
| 1483 | /******************************************************************************* |
| 1484 | ** |
| 1485 | ** Function BTM_ChangeEScoLinkParms |
| 1486 | ** |
| 1487 | ** Description This function requests renegotiation of the parameters on |
| 1488 | ** the current eSCO Link. If any of the changes are accepted |
| 1489 | ** by the controllers, the BTM_ESCO_CHG_EVT event is sent in |
| 1490 | ** the tBTM_ESCO_CBACK function with the current settings of |
| 1491 | ** the link. The callback is registered through the call to |
| 1492 | ** BTM_SetEScoMode. |
| 1493 | ** |
| 1494 | ** Note: If called over a SCO link (including 1.1 controller), |
| 1495 | ** a change packet type request is sent out instead. |
| 1496 | ** |
| 1497 | ** Returns BTM_CMD_STARTED if command is successfully initiated. |
| 1498 | ** BTM_NO_RESOURCES - not enough resources to initiate command. |
| 1499 | ** BTM_WRONG_MODE if no connection with a peer device or bad sco_inx. |
| 1500 | ** |
| 1501 | *******************************************************************************/ |
| 1502 | tBTM_STATUS BTM_ChangeEScoLinkParms (UINT16 sco_inx, tBTM_CHG_ESCO_PARAMS *p_parms) |
| 1503 | { |
| 1504 | #if (BTM_MAX_SCO_LINKS>0) |
| 1505 | tBTM_ESCO_PARAMS *p_setup; |
| 1506 | tSCO_CONN *p_sco; |
| 1507 | UINT16 temp_pkt_types; |
| 1508 | |
| 1509 | /* Make sure sco handle is valid and on an active link */ |
| 1510 | if (sco_inx >= BTM_MAX_SCO_LINKS || |
| 1511 | btm_cb.sco_cb.sco_db[sco_inx].state != SCO_ST_CONNECTED) |
| 1512 | return (BTM_WRONG_MODE); |
| 1513 | |
| 1514 | p_sco = &btm_cb.sco_cb.sco_db[sco_inx]; |
| 1515 | p_setup = &p_sco->esco.setup; |
| 1516 | |
| 1517 | /* If SCO connection OR eSCO not supported just send change packet types */ |
| 1518 | if (p_sco->esco.data.link_type == BTM_LINK_TYPE_SCO || |
| 1519 | !btm_cb.sco_cb.esco_supported) |
| 1520 | { |
| 1521 | p_setup->packet_types = p_parms->packet_types & |
| 1522 | (btm_cb.btm_sco_pkt_types_supported & BTM_SCO_LINK_ONLY_MASK); |
| 1523 | |
| 1524 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1525 | BTM_TRACE_API("BTM_ChangeEScoLinkParms -> SCO Link for handle 0x%04x, pkt 0x%04x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1526 | p_sco->hci_handle, p_setup->packet_types); |
| 1527 | |
| 1528 | if (!btsnd_hcic_change_conn_type (p_sco->hci_handle, |
| 1529 | BTM_ESCO_2_SCO(p_setup->packet_types))) |
| 1530 | return (BTM_NO_RESOURCES); |
| 1531 | } |
| 1532 | else |
| 1533 | { |
| 1534 | temp_pkt_types = (p_parms->packet_types & BTM_SCO_SUPPORTED_PKTS_MASK & |
| 1535 | btm_cb.btm_sco_pkt_types_supported); |
| 1536 | |
| 1537 | /* OR in any exception packet types if at least 2.0 version of spec */ |
| 1538 | if (btm_cb.devcb.local_version.hci_version >= HCI_PROTO_VERSION_2_0) |
| 1539 | { |
| 1540 | temp_pkt_types |= ((p_parms->packet_types & BTM_SCO_EXCEPTION_PKTS_MASK) | |
| 1541 | (btm_cb.btm_sco_pkt_types_supported & BTM_SCO_EXCEPTION_PKTS_MASK)); |
| 1542 | } |
| 1543 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1544 | BTM_TRACE_API("BTM_ChangeEScoLinkParms -> eSCO Link for handle 0x%04x", p_sco->hci_handle); |
| 1545 | BTM_TRACE_API(" txbw 0x%x, rxbw 0x%x, lat 0x%x, voice 0x%x, retrans 0x%02x, pkt 0x%04x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1546 | p_setup->tx_bw, p_setup->rx_bw, p_parms->max_latency, |
| 1547 | p_setup->voice_contfmt, p_parms->retrans_effort, temp_pkt_types); |
| 1548 | |
| 1549 | /* When changing an existing link, only change latency, retrans, and pkts */ |
| 1550 | if (!btsnd_hcic_setup_esco_conn(p_sco->hci_handle, p_setup->tx_bw, |
| 1551 | p_setup->rx_bw, p_parms->max_latency, |
| 1552 | p_setup->voice_contfmt, |
| 1553 | p_parms->retrans_effort, |
| 1554 | temp_pkt_types)) |
| 1555 | return (BTM_NO_RESOURCES); |
| 1556 | else |
| 1557 | p_parms->packet_types = temp_pkt_types; |
| 1558 | } |
| 1559 | |
| 1560 | return (BTM_CMD_STARTED); |
| 1561 | #else |
| 1562 | return (BTM_WRONG_MODE); |
| 1563 | #endif |
| 1564 | } |
| 1565 | |
| 1566 | /******************************************************************************* |
| 1567 | ** |
| 1568 | ** Function BTM_EScoConnRsp |
| 1569 | ** |
| 1570 | ** Description This function is called upon receipt of an (e)SCO connection |
| 1571 | ** request event (BTM_ESCO_CONN_REQ_EVT) to accept or reject |
| 1572 | ** the request. Parameters used to negotiate eSCO links. |
| 1573 | ** If p_parms is NULL, then values set through BTM_SetEScoMode |
| 1574 | ** are used. |
| 1575 | ** If the link type of the incoming request is SCO, then only |
| 1576 | ** the tx_bw, max_latency, content format, and packet_types are |
| 1577 | ** valid. The hci_status parameter should be |
| 1578 | ** ([0x0] to accept, [0x0d..0x0f] to reject) |
| 1579 | ** |
| 1580 | ** |
| 1581 | ** Returns void |
| 1582 | ** |
| 1583 | *******************************************************************************/ |
| 1584 | void BTM_EScoConnRsp (UINT16 sco_inx, UINT8 hci_status, tBTM_ESCO_PARAMS *p_parms) |
| 1585 | { |
| 1586 | #if (BTM_MAX_SCO_LINKS>0) |
| 1587 | if (sco_inx < BTM_MAX_SCO_LINKS && |
| 1588 | btm_cb.sco_cb.sco_db[sco_inx].state == SCO_ST_W4_CONN_RSP) |
| 1589 | { |
| 1590 | btm_esco_conn_rsp(sco_inx, hci_status, |
| 1591 | btm_cb.sco_cb.sco_db[sco_inx].esco.data.bd_addr, |
| 1592 | p_parms); |
| 1593 | } |
| 1594 | #endif |
| 1595 | } |
| 1596 | |
| 1597 | /******************************************************************************* |
| 1598 | ** |
| 1599 | ** Function btm_read_def_esco_mode |
| 1600 | ** |
| 1601 | ** Description This function copies the current default esco settings into |
| 1602 | ** the return buffer. |
| 1603 | ** |
| 1604 | ** Returns tBTM_SCO_TYPE |
| 1605 | ** |
| 1606 | *******************************************************************************/ |
| 1607 | tBTM_SCO_TYPE btm_read_def_esco_mode (tBTM_ESCO_PARAMS *p_parms) |
| 1608 | { |
| 1609 | #if (BTM_MAX_SCO_LINKS>0) |
| 1610 | *p_parms = btm_cb.sco_cb.def_esco_parms; |
| 1611 | return btm_cb.sco_cb.desired_sco_mode; |
| 1612 | #else |
| 1613 | return BTM_LINK_TYPE_SCO; |
| 1614 | #endif |
| 1615 | } |
| 1616 | |
| 1617 | /******************************************************************************* |
| 1618 | ** |
| 1619 | ** Function btm_esco_proc_conn_chg |
| 1620 | ** |
| 1621 | ** Description This function is called by BTIF when an SCO connection |
| 1622 | ** is changed. |
| 1623 | ** |
| 1624 | ** Returns void |
| 1625 | ** |
| 1626 | *******************************************************************************/ |
| 1627 | void btm_esco_proc_conn_chg (UINT8 status, UINT16 handle, UINT8 tx_interval, |
| 1628 | UINT8 retrans_window, UINT16 rx_pkt_len, |
| 1629 | UINT16 tx_pkt_len) |
| 1630 | { |
| 1631 | #if (BTM_MAX_SCO_LINKS>0) |
| 1632 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 1633 | tBTM_CHG_ESCO_EVT_DATA data; |
| 1634 | UINT16 xx; |
| 1635 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1636 | BTM_TRACE_EVENT("btm_esco_proc_conn_chg -> handle 0x%04x, status 0x%02x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1637 | handle, status); |
| 1638 | |
| 1639 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 1640 | { |
| 1641 | if (p->state == SCO_ST_CONNECTED && handle == p->hci_handle) |
| 1642 | { |
| 1643 | /* If upper layer wants notification */ |
| 1644 | if (p->esco.p_esco_cback) |
| 1645 | { |
| 1646 | memcpy(data.bd_addr, p->esco.data.bd_addr, BD_ADDR_LEN); |
| 1647 | data.hci_status = status; |
| 1648 | data.sco_inx = xx; |
| 1649 | data.rx_pkt_len = p->esco.data.rx_pkt_len = rx_pkt_len; |
| 1650 | data.tx_pkt_len = p->esco.data.tx_pkt_len = tx_pkt_len; |
| 1651 | data.tx_interval = p->esco.data.tx_interval = tx_interval; |
| 1652 | data.retrans_window = p->esco.data.retrans_window = retrans_window; |
| 1653 | |
| 1654 | (*p->esco.p_esco_cback)(BTM_ESCO_CHG_EVT, |
| 1655 | (tBTM_ESCO_EVT_DATA *)&data); |
| 1656 | } |
| 1657 | return; |
| 1658 | } |
| 1659 | } |
| 1660 | #endif |
| 1661 | } |
| 1662 | |
| 1663 | /******************************************************************************* |
| 1664 | ** |
| 1665 | ** Function btm_is_sco_active |
| 1666 | ** |
| 1667 | ** Description This function is called to see if a SCO handle is already in |
| 1668 | ** use. |
| 1669 | ** |
| 1670 | ** Returns BOOLEAN |
| 1671 | ** |
| 1672 | *******************************************************************************/ |
| 1673 | BOOLEAN btm_is_sco_active (UINT16 handle) |
| 1674 | { |
| 1675 | #if (BTM_MAX_SCO_LINKS>0) |
| 1676 | UINT16 xx; |
| 1677 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 1678 | |
| 1679 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 1680 | { |
| 1681 | if (handle == p->hci_handle && p->state == SCO_ST_CONNECTED) |
| 1682 | return (TRUE); |
| 1683 | } |
| 1684 | #endif |
| 1685 | return (FALSE); |
| 1686 | } |
| 1687 | |
| 1688 | /******************************************************************************* |
| 1689 | ** |
| 1690 | ** Function BTM_GetNumScoLinks |
| 1691 | ** |
| 1692 | ** Description This function returns the number of active sco links. |
| 1693 | ** |
| 1694 | ** Returns UINT8 |
| 1695 | ** |
| 1696 | *******************************************************************************/ |
| 1697 | UINT8 BTM_GetNumScoLinks (void) |
| 1698 | { |
| 1699 | #if (BTM_MAX_SCO_LINKS>0) |
| 1700 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 1701 | UINT16 xx; |
| 1702 | UINT8 num_scos = 0; |
| 1703 | |
| 1704 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 1705 | { |
| 1706 | switch (p->state) |
| 1707 | { |
| 1708 | case SCO_ST_W4_CONN_RSP: |
| 1709 | case SCO_ST_CONNECTING: |
| 1710 | case SCO_ST_CONNECTED: |
| 1711 | case SCO_ST_DISCONNECTING: |
| 1712 | case SCO_ST_PEND_UNPARK: |
| 1713 | num_scos++; |
| 1714 | } |
| 1715 | } |
| 1716 | return (num_scos); |
| 1717 | #else |
| 1718 | return (0); |
| 1719 | #endif |
| 1720 | } |
| 1721 | |
| 1722 | |
| 1723 | /******************************************************************************* |
| 1724 | ** |
| 1725 | ** Function btm_is_sco_active_by_bdaddr |
| 1726 | ** |
| 1727 | ** Description This function is called to see if a SCO active to a bd address. |
| 1728 | ** |
| 1729 | ** Returns BOOLEAN |
| 1730 | ** |
| 1731 | *******************************************************************************/ |
| 1732 | BOOLEAN btm_is_sco_active_by_bdaddr (BD_ADDR remote_bda) |
| 1733 | { |
| 1734 | #if (BTM_MAX_SCO_LINKS>0) |
| 1735 | UINT8 xx; |
| 1736 | tSCO_CONN *p = &btm_cb.sco_cb.sco_db[0]; |
| 1737 | |
| 1738 | /* If any SCO is being established to the remote BD address, refuse this */ |
| 1739 | for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) |
| 1740 | { |
| 1741 | if ((!memcmp (p->esco.data.bd_addr, remote_bda, BD_ADDR_LEN)) && (p->state == SCO_ST_CONNECTED)) |
| 1742 | { |
| 1743 | return (TRUE); |
| 1744 | } |
| 1745 | } |
| 1746 | #endif |
| 1747 | return (FALSE); |
| 1748 | } |
| 1749 | #else /* SCO_EXCLUDED == TRUE (Link in stubs) */ |
| 1750 | |
| 1751 | tBTM_STATUS BTM_CreateSco (BD_ADDR remote_bda, BOOLEAN is_orig, |
| 1752 | UINT16 pkt_types, UINT16 *p_sco_inx, |
| 1753 | tBTM_SCO_CB *p_conn_cb, |
| 1754 | tBTM_SCO_CB *p_disc_cb) {return (BTM_NO_RESOURCES);} |
| 1755 | tBTM_STATUS BTM_RemoveSco (UINT16 sco_inx) {return (BTM_NO_RESOURCES);} |
| 1756 | tBTM_STATUS BTM_SetScoPacketTypes (UINT16 sco_inx, UINT16 pkt_types) {return (BTM_NO_RESOURCES);} |
| 1757 | UINT16 BTM_ReadScoPacketTypes (UINT16 sco_inx) {return (0);} |
| 1758 | UINT16 BTM_ReadDeviceScoPacketTypes (void) {return (0);} |
| 1759 | UINT16 BTM_ReadScoHandle (UINT16 sco_inx) {return (BTM_INVALID_HCI_HANDLE);} |
| 1760 | UINT8 *BTM_ReadScoBdAddr(UINT16 sco_inx) {return((UINT8 *) NULL);} |
| 1761 | UINT16 BTM_ReadScoDiscReason (void) {return (BTM_INVALID_SCO_DISC_REASON);} |
| 1762 | tBTM_STATUS BTM_SetEScoMode (tBTM_SCO_TYPE sco_mode, tBTM_ESCO_PARAMS *p_parms) {return (BTM_MODE_UNSUPPORTED);} |
| 1763 | tBTM_STATUS BTM_RegForEScoEvts (UINT16 sco_inx, tBTM_ESCO_CBACK *p_esco_cback) { return (BTM_ILLEGAL_VALUE);} |
| 1764 | tBTM_STATUS BTM_ReadEScoLinkParms (UINT16 sco_inx, tBTM_ESCO_DATA *p_parms) { return (BTM_MODE_UNSUPPORTED);} |
| 1765 | tBTM_STATUS BTM_ChangeEScoLinkParms (UINT16 sco_inx, tBTM_CHG_ESCO_PARAMS *p_parms) { return (BTM_MODE_UNSUPPORTED);} |
| 1766 | void BTM_EScoConnRsp (UINT16 sco_inx, UINT8 hci_status, tBTM_ESCO_PARAMS *p_parms) {} |
| 1767 | UINT8 BTM_GetNumScoLinks (void) {return (0);} |
| 1768 | |
| 1769 | #endif /* If SCO is being used */ |