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Diffstat (limited to 'btif/include/btif_common.h')
| -rw-r--r-- | btif/include/btif_common.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/btif/include/btif_common.h b/btif/include/btif_common.h new file mode 100644 index 0000000..7f3b039 --- /dev/null +++ b/btif/include/btif_common.h @@ -0,0 +1,183 @@ +/****************************************************************************** + * + * 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. + * + ******************************************************************************/ + +#ifndef BTIF_COMMON_H +#define BTIF_COMMON_H + +#include "data_types.h" +#include "bt_types.h" +#include "bta_api.h" + +#ifndef LOG_TAG +#error "LOG_TAG not defined, please add in .c file prior to including bt_common.h" +#endif + +#include <utils/Log.h> + +/******************************************************************************* +** Constants & Macros +********************************************************************************/ + +#define ASSERTC(cond, msg, val) if (!(cond)) { ALOGE( \ + "### ASSERT : %s line %d %s (%d) ###", __FILE__, __LINE__, msg, val);} + +/* Calculate start of event enumeration; id is top 8 bits of event */ +#define BTIF_SIG_START(id) ((id) << 8) + +/* For upstream the MSB bit is always SET */ +#define BTIF_SIG_CB_BIT (0x8000) +#define BTIF_SIG_CB_START(id) (((id) << 8) | BTIF_SIG_CB_BIT) + +/* BTIF sub-systems */ +#define BTIF_CORE 0 +#define BTIF_DM 1 +#define BTIF_HFP 2 +#define BTIF_AV 3 +#define BTIF_PAN 4 + +extern bt_callbacks_t *bt_hal_cbacks; + +#define HAL_CBACK(P_CB, P_CBACK, ...)\ + if (P_CB && P_CB->P_CBACK) { \ + ALOGD("HAL %s->%s", #P_CB, #P_CBACK); \ + P_CB->P_CBACK(__VA_ARGS__); \ + } \ + else { \ + ASSERTC(0, "Callback is NULL", 0); \ + } + +/** + * BTIF events for requests that require context switch to btif task + * on downstreams path + */ +enum +{ + BTIF_CORE_API_START = BTIF_SIG_START(BTIF_CORE), + BTIF_CORE_STORAGE_NO_ACTION, + BTIF_CORE_STORAGE_ADAPTER_WRITE, + BTIF_CORE_STORAGE_ADAPTER_READ, + BTIF_CORE_STORAGE_ADAPTER_READ_ALL, + BTIF_CORE_STORAGE_REMOTE_WRITE, + BTIF_CORE_STORAGE_REMOTE_READ, + BTIF_CORE_STORAGE_REMOTE_READ_ALL, + BTIF_CORE_STORAGE_READ_ALL, + BTIF_CORE_STORAGE_NOTIFY_STATUS, + /* add here */ + + BTIF_DM_API_START = BTIF_SIG_START(BTIF_DM), + BTIF_DM_ENABLE_SERVICE, + BTIF_DM_DISABLE_SERVICE, + /* add here */ + + BTIF_HFP_API_START = BTIF_SIG_START(BTIF_HFP), + /* add here */ + + BTIF_AV_API_START = BTIF_SIG_START(BTIF_AV), + /* add here */ +}; + +/** + * BTIF events for callbacks that require context switch to btif task + * on upstream path - Typically these would be non-BTA events + * that are generated by the BTIF layer. + */ +enum +{ + BTIF_CORE_CB_START = BTIF_SIG_CB_START(BTIF_CORE), + /* add here */ + + BTIF_DM_CB_START = BTIF_SIG_CB_START(BTIF_DM), + BTIF_DM_CB_DISCOVERY_STARTED, /* Discovery has started */ + BTIF_DM_CB_CREATE_BOND, /* Create bond */ + BTIF_DM_CB_REMOVE_BOND, /*Remove bond */ + BTIF_DM_CB_HID_REMOTE_NAME, /* Remote name callback for HID device */ + BTIF_DM_CB_BOND_STATE_BONDING, + + BTIF_HFP_CB_START = BTIF_SIG_CB_START(BTIF_HFP), + BTIF_HFP_CB_AUDIO_CONNECTING, /* HF AUDIO connect has been sent to BTA successfully */ + + BTIF_PAN_CB_START = BTIF_SIG_CB_START(BTIF_PAN), + BTIF_PAN_CB_DISCONNECTING, /* PAN Disconnect has been sent to BTA successfully */ +}; + +/* Macro definitions for BD ADDR persistence */ + +/** + * PROPERTY_BT_BDADDR_PATH + * The property key stores the storage location of Bluetooth Device Address + */ +#ifndef PROPERTY_BT_BDADDR_PATH +#define PROPERTY_BT_BDADDR_PATH "ro.bt.bdaddr_path" +#endif + +/** + * PERSIST_BDADDR_PROPERTY + * If there is no valid bdaddr available from PROPERTY_BT_BDADDR_PATH, + * generating a random BDADDR and keeping it in the PERSIST_BDADDR_DROP. + */ +#ifndef PERSIST_BDADDR_PROPERTY +#define PERSIST_BDADDR_PROPERTY "persist.service.bdroid.bdaddr" +#endif + +#define FACTORY_BT_BDADDR_STORAGE_LEN 17 + + +/******************************************************************************* +** Type definitions for callback functions +********************************************************************************/ + +typedef void (tBTIF_CBACK) (UINT16 event, char *p_param); +typedef void (tBTIF_COPY_CBACK) (UINT16 event, char *p_dest, char *p_src); + + +/******************************************************************************* +** Type definitions and return values +********************************************************************************/ + +/* this type handles all btif context switches between BTU and HAL */ +typedef struct +{ + BT_HDR hdr; + tBTIF_CBACK* p_cb; /* context switch callback */ + + /* parameters passed to callback */ + UINT16 event; /* message event id */ + char p_param[0]; /* parameter area needs to be last */ +} tBTIF_CONTEXT_SWITCH_CBACK; + + +/******************************************************************************* +** Functions +********************************************************************************/ + +bt_status_t btif_transfer_context (tBTIF_CBACK *p_cback, UINT16 event, char* p_params, + int param_len, tBTIF_COPY_CBACK *p_copy_cback); +tBTA_SERVICE_MASK btif_get_enabled_services_mask(void); +bt_status_t btif_enable_service(tBTA_SERVICE_ID service_id); +bt_status_t btif_disable_service(tBTA_SERVICE_ID service_id); +int btif_is_enabled(void); + +/** + * BTIF_Events + */ +void btif_enable_bluetooth_evt(tBTA_STATUS status, BD_ADDR local_bd); +void btif_disable_bluetooth_evt(void); +void btif_adapter_properties_evt(bt_status_t status, uint32_t num_props, bt_property_t *p_props); +void btif_remote_properties_evt(bt_status_t status, bt_bdaddr_t *remote_addr, + uint32_t num_props, bt_property_t *p_props); +#endif /* BTIF_COMMON_H */ |