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Diffstat (limited to 'hci/src/bt_hw.c')
| -rw-r--r-- | hci/src/bt_hw.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/hci/src/bt_hw.c b/hci/src/bt_hw.c new file mode 100644 index 0000000..b2a099f --- /dev/null +++ b/hci/src/bt_hw.c @@ -0,0 +1,207 @@ +/****************************************************************************** + * + * Copyright (C) 2009-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * Filename: bt_hw.c + * + * Description: Bluedroid libbt-vendor callback functions + * + ******************************************************************************/ + +#define LOG_TAG "bt_hw" + +#include <dlfcn.h> +#include <utils/Log.h> +#include <pthread.h> +#include "bt_vendor_lib.h" +#include "bt_hci_bdroid.h" +#include "hci.h" +#include "userial.h" + +/****************************************************************************** +** Externs +******************************************************************************/ + +extern tHCI_IF *p_hci_if; +void lpm_vnd_cback(uint8_t vnd_result); + +/****************************************************************************** +** Variables +******************************************************************************/ + +bt_vendor_interface_t *bt_vnd_if=NULL; + +/****************************************************************************** +** Functions +******************************************************************************/ + +/****************************************************************************** +** +** Function fwcfg_cb +** +** Description HOST/CONTROLLER VENDOR LIB CALLBACK API - This function is +** called when the libbt-vendor completed firmware +** configuration process +** +** Returns None +** +******************************************************************************/ +static void fwcfg_cb(bt_vendor_op_result_t result) +{ + bt_hc_postload_result_t status = (result == BT_VND_OP_RESULT_SUCCESS) ? \ + BT_HC_PRELOAD_SUCCESS : BT_HC_PRELOAD_FAIL; + + if (bt_hc_cbacks) + bt_hc_cbacks->preload_cb(NULL, status); +} + +/****************************************************************************** +** +** Function scocfg_cb +** +** Description HOST/CONTROLLER VENDOR LIB CALLBACK API - This function is +** called when the libbt-vendor completed vendor specific SCO +** configuration process +** +** Returns None +** +******************************************************************************/ +static void scocfg_cb(bt_vendor_op_result_t result) +{ + /* Continue rest of postload process*/ + p_hci_if->get_acl_max_len(); +} + +/****************************************************************************** +** +** Function lpm_vnd_cb +** +** Description HOST/CONTROLLER VENDOR LIB CALLBACK API - This function is +** called back from the libbt-vendor to indicate the result of +** previous LPM enable/disable request +** +** Returns None +** +******************************************************************************/ +static void lpm_vnd_cb(bt_vendor_op_result_t result) +{ + uint8_t status = (result == BT_VND_OP_RESULT_SUCCESS) ? 0 : 1; + + lpm_vnd_cback(status); +} + +/****************************************************************************** +** +** Function alloc +** +** Description HOST/CONTROLLER VENDOR LIB CALLOUT API - This function is +** called from the libbt-vendor to request for data buffer +** allocation +** +** Returns NULL / pointer to allocated buffer +** +******************************************************************************/ +static void *alloc(int size) +{ + HC_BT_HDR *p_hdr = NULL; + + if (bt_hc_cbacks) + p_hdr = (HC_BT_HDR *) bt_hc_cbacks->alloc(size); + + return (p_hdr); +} + +/****************************************************************************** +** +** Function dealloc +** +** Description HOST/CONTROLLER VENDOR LIB CALLOUT API - This function is +** called from the libbt-vendor to release the data buffer +** allocated through the alloc call earlier +** +** Returns None +** +******************************************************************************/ +static void dealloc(void *p_buf) +{ + HC_BT_HDR *p_hdr = (HC_BT_HDR *) p_buf; + + if (bt_hc_cbacks) + bt_hc_cbacks->dealloc((TRANSAC) p_buf, (char *) (p_hdr+1)); +} + +/****************************************************************************** +** +** Function xmit_cb +** +** Description HOST/CONTROLLER VEDNOR LIB CALLOUT API - This function is +** called from the libbt-vendor in order to send a prepared +** HCI command packet through HCI transport TX function. +** +** Returns TRUE/FALSE +** +******************************************************************************/ +static uint8_t xmit_cb(uint16_t opcode, void *p_buf, tINT_CMD_CBACK p_cback) +{ + return p_hci_if->send_int_cmd(opcode, (HC_BT_HDR *)p_buf, p_cback); +} + +/***************************************************************************** +** The libbt-vendor Callback Functions Table +*****************************************************************************/ +static const bt_vendor_callbacks_t vnd_callbacks = { + sizeof(bt_vendor_callbacks_t), + fwcfg_cb, + scocfg_cb, + lpm_vnd_cb, + alloc, + dealloc, + xmit_cb +}; + +/****************************************************************************** +** +** Function init_vnd_if +** +** Description Initialize vendor lib interface +** +** Returns None +** +******************************************************************************/ +void init_vnd_if(unsigned char *local_bdaddr) +{ + void *dlhandle; + + dlhandle = dlopen("libbt-vendor.so", RTLD_NOW); + if (!dlhandle) + { + ALOGE("!!! Failed to load libbt-vendor.so !!!"); + return; + } + + bt_vnd_if = (bt_vendor_interface_t *) dlsym(dlhandle, "BLUETOOTH_VENDOR_LIB_INTERFACE"); + if (!bt_vnd_if) + { + ALOGE("!!! Failed to get bt vendor interface !!!"); + return; + } + + bt_vnd_if->init(&vnd_callbacks, local_bdaddr); +} + |