mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-12-12 05:24:19 +08:00
740 lines
16 KiB
C
740 lines
16 KiB
C
/*
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* Copyright (C) 2013 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include "hal-log.h"
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#include "hal.h"
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#include "hal-msg.h"
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#include "hal-ipc.h"
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#include "client/textconv.h"
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static const bt_callbacks_t *bt_hal_cbacks = NULL;
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#define create_enum_prop(prop, hal_prop, type) do { \
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type *pe = malloc(sizeof(type)); \
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prop.val = pe; \
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prop.len = sizeof(*pe); \
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*pe = *((uint8_t *) (hal_prop->val)); \
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} while (0)
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static void handle_adapter_state_changed(void *buf)
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{
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struct hal_ev_adapter_state_changed *ev = buf;
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if (bt_hal_cbacks->adapter_state_changed_cb)
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bt_hal_cbacks->adapter_state_changed_cb(ev->state);
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}
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static void adapter_props_to_hal(bt_property_t *send_props,
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struct hal_property *hal_prop,
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uint8_t num_props, void *buff_end)
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{
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void *p = hal_prop;
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uint8_t i;
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for (i = 0; i < num_props; i++) {
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if (p + sizeof(*hal_prop) + hal_prop->len > buff_end) {
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error("invalid adapter properties event, aborting");
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exit(EXIT_FAILURE);
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}
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send_props[i].type = hal_prop->type;
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switch (hal_prop->type) {
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case HAL_PROP_ADAPTER_TYPE:
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create_enum_prop(send_props[i], hal_prop,
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bt_device_type_t);
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break;
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case HAL_PROP_ADAPTER_SCAN_MODE:
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create_enum_prop(send_props[i], hal_prop,
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bt_scan_mode_t);
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break;
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case HAL_PROP_ADAPTER_SERVICE_REC:
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default:
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send_props[i].len = hal_prop->len;
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send_props[i].val = hal_prop->val;
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break;
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}
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}
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}
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static void adapter_hal_props_cleanup(bt_property_t *props, uint8_t num)
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{
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uint8_t i;
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for (i = 0; i < num; i++) {
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switch (props[i].type) {
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case HAL_PROP_ADAPTER_TYPE:
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case HAL_PROP_ADAPTER_SCAN_MODE:
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free(props[i].val);
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break;
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default:
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break;
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}
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}
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}
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static void device_props_to_hal(bt_property_t *send_props,
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struct hal_property *hal_prop,
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uint8_t num_props, void *buff_end)
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{
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void *p = hal_prop;
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uint8_t i;
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for (i = 0; i < num_props; i++) {
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if (p + sizeof(*hal_prop) + hal_prop->len > buff_end) {
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error("invalid adapter properties event, aborting");
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exit(EXIT_FAILURE);
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}
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send_props[i].type = hal_prop->type;
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switch (hal_prop->type) {
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case HAL_PROP_DEVICE_TYPE:
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create_enum_prop(send_props[i], hal_prop,
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bt_device_type_t);
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break;
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case HAL_PROP_DEVICE_SERVICE_REC:
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case HAL_PROP_DEVICE_VERSION_INFO:
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default:
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send_props[i].len = hal_prop->len;
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send_props[i].val = hal_prop->val;
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break;
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}
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p += sizeof(*hal_prop) + hal_prop->len;
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hal_prop = p;
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}
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}
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static void device_hal_props_cleanup(bt_property_t *props, uint8_t num)
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{
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uint8_t i;
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for (i = 0; i < num; i++) {
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switch (props[i].type) {
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case HAL_PROP_DEVICE_TYPE:
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free(props[i].val);
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break;
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default:
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break;
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}
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}
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}
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static void handle_adapter_props_changed(void *buf, uint16_t len)
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{
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struct hal_ev_adapter_props_changed *ev = buf;
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bt_property_t props[ev->num_props];
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DBG("");
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if (!bt_hal_cbacks->adapter_properties_cb)
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return;
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adapter_props_to_hal(props, ev->props, ev->num_props, buf + len);
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bt_hal_cbacks->adapter_properties_cb(ev->status, ev->num_props, props);
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adapter_hal_props_cleanup(props, ev->num_props);
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}
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static void handle_bond_state_change(void *buf)
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{
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struct hal_ev_bond_state_changed *ev = buf;
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bt_bdaddr_t *addr = (bt_bdaddr_t *) ev->bdaddr;
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DBG("state %u", ev->state);
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if (bt_hal_cbacks->bond_state_changed_cb)
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bt_hal_cbacks->bond_state_changed_cb(ev->status, addr,
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ev->state);
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}
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static void handle_pin_request(void *buf)
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{
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struct hal_ev_pin_request *ev = buf;
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/* Those are declared as packed, so it's safe to assign pointers */
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bt_bdaddr_t *addr = (bt_bdaddr_t *) ev->bdaddr;
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bt_bdname_t *name = (bt_bdname_t *) ev->name;
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DBG("");
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if (bt_hal_cbacks->pin_request_cb)
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bt_hal_cbacks->pin_request_cb(addr, name, ev->class_of_dev);
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}
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static void handle_ssp_request(void *buf)
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{
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struct hal_ev_ssp_request *ev = buf;
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/* Those are declared as packed, so it's safe to assign pointers */
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bt_bdaddr_t *addr = (bt_bdaddr_t *) ev->bdaddr;
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bt_bdname_t *name = (bt_bdname_t *) ev->name;
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DBG("");
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if (bt_hal_cbacks->ssp_request_cb)
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bt_hal_cbacks->ssp_request_cb(addr, name, ev->class_of_dev,
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ev->pairing_variant,
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ev->passkey);
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}
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void bt_thread_associate(void)
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{
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if (bt_hal_cbacks->thread_evt_cb)
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bt_hal_cbacks->thread_evt_cb(ASSOCIATE_JVM);
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}
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void bt_thread_disassociate(void)
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{
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if (bt_hal_cbacks->thread_evt_cb)
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bt_hal_cbacks->thread_evt_cb(DISASSOCIATE_JVM);
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}
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static bool interface_ready(void)
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{
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return bt_hal_cbacks != NULL;
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}
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static void handle_discovery_state_changed(void *buf)
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{
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struct hal_ev_discovery_state_changed *ev = buf;
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DBG("");
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if (bt_hal_cbacks->discovery_state_changed_cb)
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bt_hal_cbacks->discovery_state_changed_cb(ev->state);
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}
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static void handle_device_found(void *buf, uint16_t len)
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{
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struct hal_ev_device_found *ev = buf;
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bt_property_t props[ev->num_props];
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DBG("");
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if (!bt_hal_cbacks->device_found_cb)
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return;
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device_props_to_hal(props, ev->props, ev->num_props, buf + len);
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bt_hal_cbacks->device_found_cb(ev->num_props, props);
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device_hal_props_cleanup(props, ev->num_props);
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}
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static void handle_device_state_changed(void *buf, uint16_t len)
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{
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struct hal_ev_remote_device_props *ev = buf;
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bt_property_t props[ev->num_props];
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DBG("");
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if (!bt_hal_cbacks->remote_device_properties_cb)
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return;
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device_props_to_hal(props, ev->props, ev->num_props, buf + len);
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bt_hal_cbacks->remote_device_properties_cb(ev->status,
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(bt_bdaddr_t *)ev->bdaddr,
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ev->num_props, props);
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device_hal_props_cleanup(props, ev->num_props);
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}
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static void handle_acl_state_changed(void *buf)
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{
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struct hal_ev_acl_state_changed *ev = buf;
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bt_bdaddr_t *addr = (bt_bdaddr_t *) ev->bdaddr;
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DBG("state %u", ev->state);
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if (bt_hal_cbacks->acl_state_changed_cb)
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bt_hal_cbacks->acl_state_changed_cb(ev->status, addr,
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ev->state);
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}
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/* will be called from notification thread context */
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void bt_notify_adapter(uint16_t opcode, void *buf, uint16_t len)
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{
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if (!interface_ready())
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return;
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switch (opcode) {
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case HAL_EV_ADAPTER_STATE_CHANGED:
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handle_adapter_state_changed(buf);
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break;
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case HAL_EV_ADAPTER_PROPS_CHANGED:
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handle_adapter_props_changed(buf, len);
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break;
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case HAL_EV_DISCOVERY_STATE_CHANGED:
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handle_discovery_state_changed(buf);
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break;
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case HAL_EV_DEVICE_FOUND:
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handle_device_found(buf, len);
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break;
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case HAL_EV_REMOTE_DEVICE_PROPS:
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handle_device_state_changed(buf, len);
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break;
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case HAL_EV_BOND_STATE_CHANGED:
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handle_bond_state_change(buf);
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break;
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case HAL_EV_PIN_REQUEST:
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handle_pin_request(buf);
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break;
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case HAL_EV_SSP_REQUEST:
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handle_ssp_request(buf);
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break;
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case HAL_EV_ACL_STATE_CHANGED:
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handle_acl_state_changed(buf);
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break;
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default:
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DBG("Unhandled callback opcode=0x%x", opcode);
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break;
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}
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}
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static int init(bt_callbacks_t *callbacks)
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{
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struct hal_cmd_register_module cmd;
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int status;
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DBG("");
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if (interface_ready())
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return BT_STATUS_SUCCESS;
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bt_hal_cbacks = callbacks;
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if (!hal_ipc_init()) {
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bt_hal_cbacks = NULL;
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return BT_STATUS_FAIL;
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}
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cmd.service_id = HAL_SERVICE_ID_BLUETOOTH;
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status = hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_REGISTER_MODULE,
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sizeof(cmd), &cmd, NULL, NULL, NULL);
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if (status != BT_STATUS_SUCCESS) {
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error("Failed to register 'bluetooth' service");
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goto fail;
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}
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cmd.service_id = HAL_SERVICE_ID_SOCK;
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status = hal_ipc_cmd(HAL_SERVICE_ID_CORE, HAL_OP_REGISTER_MODULE,
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sizeof(cmd), &cmd, NULL, NULL, NULL);
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if (status != BT_STATUS_SUCCESS) {
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error("Failed to register 'socket' service");
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goto fail;
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}
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return status;
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fail:
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hal_ipc_cleanup();
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bt_hal_cbacks = NULL;
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return status;
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}
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static int enable(void)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_ENABLE, 0, NULL, 0,
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NULL, NULL);
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}
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static int disable(void)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_DISABLE, 0, NULL, 0,
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NULL, NULL);
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}
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static void cleanup(void)
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{
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DBG("");
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if (!interface_ready())
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return;
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hal_ipc_cleanup();
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bt_hal_cbacks = NULL;
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}
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static int get_adapter_properties(void)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_GET_ADAPTER_PROPS,
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0, NULL, 0, NULL, NULL);
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}
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static int get_adapter_property(bt_property_type_t type)
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{
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struct hal_cmd_get_adapter_prop cmd;
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DBG("prop: %s", bt_property_type_t2str(type));
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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switch (type) {
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case BT_PROPERTY_BDNAME:
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case BT_PROPERTY_BDADDR:
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case BT_PROPERTY_UUIDS:
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case BT_PROPERTY_CLASS_OF_DEVICE:
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case BT_PROPERTY_TYPE_OF_DEVICE:
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case BT_PROPERTY_SERVICE_RECORD:
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case BT_PROPERTY_ADAPTER_SCAN_MODE:
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case BT_PROPERTY_ADAPTER_BONDED_DEVICES:
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case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT:
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break;
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default:
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return BT_STATUS_PARM_INVALID;
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}
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/* type match IPC type */
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cmd.type = type;
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return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_GET_ADAPTER_PROP,
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sizeof(cmd), &cmd, 0, NULL, NULL);
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}
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static int set_adapter_property(const bt_property_t *property)
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{
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char buf[sizeof(struct hal_cmd_set_adapter_prop) + property->len];
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struct hal_cmd_set_adapter_prop *cmd = (void *) buf;
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DBG("prop: %s", bt_property_type_t2str(property->type));
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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switch (property->type) {
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case BT_PROPERTY_BDNAME:
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case BT_PROPERTY_ADAPTER_SCAN_MODE:
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case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT:
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break;
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default:
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return BT_STATUS_PARM_INVALID;
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}
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/* type match IPC type */
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cmd->type = property->type;
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cmd->len = property->len;
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memcpy(cmd->val, property->val, property->len);
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return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_SET_ADAPTER_PROP,
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sizeof(buf), cmd, 0, NULL, NULL);
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}
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static int get_remote_device_properties(bt_bdaddr_t *remote_addr)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return BT_STATUS_UNSUPPORTED;
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}
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static int get_remote_device_property(bt_bdaddr_t *remote_addr,
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bt_property_type_t type)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return BT_STATUS_UNSUPPORTED;
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}
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static int set_remote_device_property(bt_bdaddr_t *remote_addr,
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const bt_property_t *property)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return BT_STATUS_UNSUPPORTED;
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}
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static int get_remote_service_record(bt_bdaddr_t *remote_addr, bt_uuid_t *uuid)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return BT_STATUS_UNSUPPORTED;
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}
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static int get_remote_services(bt_bdaddr_t *remote_addr)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return BT_STATUS_UNSUPPORTED;
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}
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static int start_discovery(void)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH,
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HAL_OP_START_DISCOVERY, 0, NULL, 0,
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NULL, NULL);
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}
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static int cancel_discovery(void)
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{
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH,
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HAL_OP_CANCEL_DISCOVERY, 0, NULL, 0,
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NULL, NULL);
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}
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static int create_bond(const bt_bdaddr_t *bd_addr)
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{
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struct hal_cmd_create_bond cmd;
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DBG("");
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if (!interface_ready())
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return BT_STATUS_NOT_READY;
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memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
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return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_CREATE_BOND,
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sizeof(cmd), &cmd, 0, NULL, NULL);
|
|
}
|
|
|
|
static int cancel_bond(const bt_bdaddr_t *bd_addr)
|
|
{
|
|
struct hal_cmd_cancel_bond cmd;
|
|
|
|
DBG("");
|
|
|
|
if (!interface_ready())
|
|
return BT_STATUS_NOT_READY;
|
|
|
|
memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
|
|
|
|
return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_CANCEL_BOND,
|
|
sizeof(cmd), &cmd, 0, NULL, NULL);
|
|
}
|
|
|
|
static int remove_bond(const bt_bdaddr_t *bd_addr)
|
|
{
|
|
struct hal_cmd_remove_bond cmd;
|
|
|
|
DBG("");
|
|
|
|
if (!interface_ready())
|
|
return BT_STATUS_NOT_READY;
|
|
|
|
memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
|
|
|
|
return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_REMOVE_BOND,
|
|
sizeof(cmd), &cmd, 0, NULL, NULL);
|
|
}
|
|
|
|
static int pin_reply(const bt_bdaddr_t *bd_addr, uint8_t accept,
|
|
uint8_t pin_len, bt_pin_code_t *pin_code)
|
|
{
|
|
struct hal_cmd_pin_reply cmd;
|
|
|
|
DBG("");
|
|
|
|
if (!interface_ready())
|
|
return BT_STATUS_NOT_READY;
|
|
|
|
memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
|
|
cmd.accept = accept;
|
|
cmd.pin_len = pin_len;
|
|
memcpy(cmd.pin_code, pin_code, sizeof(cmd.pin_code));
|
|
|
|
return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_PIN_REPLY,
|
|
sizeof(cmd), &cmd, 0, NULL, NULL);
|
|
}
|
|
|
|
static int ssp_reply(const bt_bdaddr_t *bd_addr, bt_ssp_variant_t variant,
|
|
uint8_t accept, uint32_t passkey)
|
|
{
|
|
struct hal_cmd_ssp_reply cmd;
|
|
|
|
DBG("");
|
|
|
|
if (!interface_ready())
|
|
return BT_STATUS_NOT_READY;
|
|
|
|
memcpy(cmd.bdaddr, bd_addr, sizeof(cmd.bdaddr));
|
|
/* type match IPC type */
|
|
cmd.ssp_variant = variant;
|
|
cmd.accept = accept;
|
|
cmd.passkey = passkey;
|
|
|
|
return hal_ipc_cmd(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_SSP_REPLY,
|
|
sizeof(cmd), &cmd, 0, NULL, NULL);
|
|
}
|
|
|
|
static const void *get_profile_interface(const char *profile_id)
|
|
{
|
|
DBG("%s: %s", __func__, profile_id);
|
|
|
|
if (!interface_ready())
|
|
return NULL;
|
|
|
|
if (!strcmp(profile_id, BT_PROFILE_SOCKETS_ID))
|
|
return bt_get_sock_interface();
|
|
|
|
if (!strcmp(profile_id, BT_PROFILE_HIDHOST_ID))
|
|
return bt_get_hidhost_interface();
|
|
|
|
if (!strcmp(profile_id, BT_PROFILE_PAN_ID))
|
|
return bt_get_pan_interface();
|
|
|
|
if (!strcmp(profile_id, BT_PROFILE_ADVANCED_AUDIO_ID))
|
|
return bt_get_av_interface();
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int dut_mode_configure(uint8_t enable)
|
|
{
|
|
DBG("");
|
|
|
|
if (!interface_ready())
|
|
return BT_STATUS_NOT_READY;
|
|
|
|
return BT_STATUS_UNSUPPORTED;
|
|
}
|
|
|
|
static int dut_mode_send(uint16_t opcode, uint8_t *buf, uint8_t len)
|
|
{
|
|
DBG("");
|
|
|
|
if (!interface_ready())
|
|
return BT_STATUS_NOT_READY;
|
|
|
|
return BT_STATUS_UNSUPPORTED;
|
|
}
|
|
|
|
static const bt_interface_t bluetooth_if = {
|
|
.size = sizeof(bt_interface_t),
|
|
.init = init,
|
|
.enable = enable,
|
|
.disable = disable,
|
|
.cleanup = cleanup,
|
|
.get_adapter_properties = get_adapter_properties,
|
|
.get_adapter_property = get_adapter_property,
|
|
.set_adapter_property = set_adapter_property,
|
|
.get_remote_device_properties = get_remote_device_properties,
|
|
.get_remote_device_property = get_remote_device_property,
|
|
.set_remote_device_property = set_remote_device_property,
|
|
.get_remote_service_record = get_remote_service_record,
|
|
.get_remote_services = get_remote_services,
|
|
.start_discovery = start_discovery,
|
|
.cancel_discovery = cancel_discovery,
|
|
.create_bond = create_bond,
|
|
.remove_bond = remove_bond,
|
|
.cancel_bond = cancel_bond,
|
|
.pin_reply = pin_reply,
|
|
.ssp_reply = ssp_reply,
|
|
.get_profile_interface = get_profile_interface,
|
|
.dut_mode_configure = dut_mode_configure,
|
|
.dut_mode_send = dut_mode_send
|
|
};
|
|
|
|
static const bt_interface_t *get_bluetooth_interface(void)
|
|
{
|
|
DBG("");
|
|
|
|
return &bluetooth_if;
|
|
}
|
|
|
|
static int close_bluetooth(struct hw_device_t *device)
|
|
{
|
|
DBG("");
|
|
|
|
cleanup();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int open_bluetooth(const struct hw_module_t *module, char const *name,
|
|
struct hw_device_t **device)
|
|
{
|
|
bluetooth_device_t *dev = malloc(sizeof(bluetooth_device_t));
|
|
|
|
DBG("");
|
|
|
|
memset(dev, 0, sizeof(bluetooth_device_t));
|
|
dev->common.tag = HARDWARE_DEVICE_TAG;
|
|
dev->common.version = 0;
|
|
dev->common.module = (struct hw_module_t *) module;
|
|
dev->common.close = close_bluetooth;
|
|
dev->get_bluetooth_interface = get_bluetooth_interface;
|
|
|
|
*device = (struct hw_device_t *) dev;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct hw_module_methods_t bluetooth_module_methods = {
|
|
.open = open_bluetooth,
|
|
};
|
|
|
|
struct hw_module_t HAL_MODULE_INFO_SYM = {
|
|
.tag = HARDWARE_MODULE_TAG,
|
|
.version_major = 1,
|
|
.version_minor = 0,
|
|
.id = BT_HARDWARE_MODULE_ID,
|
|
.name = "BlueZ Bluetooth stack",
|
|
.author = "Intel Corporation",
|
|
.methods = &bluetooth_module_methods
|
|
};
|