/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2014 Intel Corporation. All rights reserved.
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdbool.h>
#include <errno.h>
#include <unistd.h>
#include <glib.h>
#include "lib/bluetooth.h"
#include "lib/sdp.h"
#include "lib/sdp_lib.h"
#include "src/sdp-client.h"
#include "src/shared/hfp.h"
#include "src/shared/queue.h"
#include "src/shared/util.h"
#include "btio/btio.h"
#include "ipc.h"
#include "ipc-common.h"
#include "src/log.h"
#include "utils.h"
#include "bluetooth.h"
#include "hal-msg.h"
#include "handsfree-client.h"
#include "sco.h"
#define HFP_HF_CHANNEL 7
#define HFP_HF_FEAT_ECNR 0x00000001
#define HFP_HF_FEAT_3WAY 0x00000002
#define HFP_HF_FEAT_CLI 0x00000004
#define HFP_HF_FEAT_VR 0x00000008
#define HFP_HF_FEAT_RVC 0x00000010
#define HFP_HF_FEAT_ECS 0x00000020
#define HFP_HF_FEAT_ECC 0x00000040
#define HFP_HF_FEAT_CODEC 0x00000080
#define HFP_HF_FEAT_HF_IND 0x00000100
#define HFP_HF_FEAT_ESCO_S4_T2 0x00000200
#define HFP_AG_FEAT_3WAY 0x00000001
#define HFP_AG_FEAT_ECNR 0x00000002
#define HFP_AG_FEAT_VR 0x00000004
#define HFP_AG_FEAT_INBAND 0x00000008
#define HFP_AG_FEAT_VTAG 0x00000010
#define HFP_AG_FEAT_REJ_CALL 0x00000020
#define HFP_AG_FEAT_ECS 0x00000040
#define HFP_AG_FEAT_ECC 0x00000080
#define HFP_AG_FEAT_EXT_ERR 0x00000100
#define HFP_AG_FEAT_CODEC 0x00000200
#define HFP_HF_FEATURES (HFP_HF_FEAT_ECNR | HFP_HF_FEAT_3WAY |\
HFP_HF_FEAT_CLI | HFP_HF_FEAT_VR |\
HFP_HF_FEAT_RVC | HFP_HF_FEAT_ECS |\
HFP_HF_FEAT_ECC)
#define CVSD_OFFSET 0
#define MSBC_OFFSET 1
#define CODECS_COUNT (MSBC_OFFSET + 1)
#define CODEC_ID_CVSD 0x01
#define CODEC_ID_MSBC 0x02
#define MAX_NUMBER_LEN 33
#define MAX_OPERATOR_NAME_LEN 17
enum hfp_indicator {
HFP_INDICATOR_SERVICE = 0,
HFP_INDICATOR_CALL,
HFP_INDICATOR_CALLSETUP,
HFP_INDICATOR_CALLHELD,
HFP_INDICATOR_SIGNAL,
HFP_INDICATOR_ROAM,
HFP_INDICATOR_BATTCHG,
HFP_INDICATOR_LAST
};
typedef void (*ciev_func_t)(uint8_t val);
struct indicator {
uint8_t index;
uint32_t min;
uint32_t max;
uint32_t val;
ciev_func_t cb;
};
struct hfp_codec {
uint8_t type;
bool local_supported;
bool remote_supported;
};
struct device {
bdaddr_t bdaddr;
struct hfp_hf *hf;
uint8_t state;
uint8_t audio_state;
uint8_t negotiated_codec;
uint32_t features;
struct hfp_codec codecs[2];
struct indicator ag_ind[HFP_INDICATOR_LAST];
uint32_t chld_features;
};
static const struct hfp_codec codecs_defaults[] = {
{ CODEC_ID_CVSD, true, false},
{ CODEC_ID_MSBC, false, false},
};
static bdaddr_t adapter_addr;
static struct ipc *hal_ipc = NULL;
static uint32_t hfp_hf_features = 0;
static uint32_t hfp_hf_record_id = 0;
static struct queue *devices = NULL;
static GIOChannel *hfp_hf_server = NULL;
static struct bt_sco *sco = NULL;
static struct device *find_default_device(void)
{
return queue_peek_head(devices);
}
static bool match_by_bdaddr(const void *data, const void *user_data)
{
const bdaddr_t *addr1 = data;
const bdaddr_t *addr2 = user_data;
return !bacmp(addr1, addr2);
}
static struct device *find_device(const bdaddr_t *addr)
{
return queue_find(devices, match_by_bdaddr, addr);
}
static void init_codecs(struct device *dev)
{
memcpy(&dev->codecs, codecs_defaults, sizeof(dev->codecs));
if (hfp_hf_features & HFP_HF_FEAT_CODEC)
dev->codecs[MSBC_OFFSET].local_supported = true;
}
static struct device *device_create(const bdaddr_t *bdaddr)
{
struct device *dev;
dev = new0(struct device, 1);
bacpy(&dev->bdaddr, bdaddr);
dev->state = HAL_HF_CLIENT_CONN_STATE_DISCONNECTED;
dev->audio_state = HAL_HF_CLIENT_AUDIO_STATE_DISCONNECTED;
init_codecs(dev);
queue_push_tail(devices, dev);
return dev;
}
static struct device *get_device(const bdaddr_t *addr)
{
struct device *dev;
dev = find_device(addr);
if (dev)
return dev;
/* We do support only one device as for now */
if (queue_isempty(devices))
return device_create(addr);
return NULL;
}
static void device_set_state(struct device *dev, uint8_t state)
{
struct hal_ev_hf_client_conn_state ev;
char address[18];
if (dev->state == state)
return;
memset(&ev, 0, sizeof(ev));
dev->state = state;
ba2str(&dev->bdaddr, address);
DBG("device %s state %u", address, state);
bdaddr2android(&dev->bdaddr, ev.bdaddr);
ev.state = state;
ev.chld_feat = dev->chld_features;
ev.peer_feat = dev->features;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_CONN_STATE, sizeof(ev), &ev);
}
static void device_destroy(struct device *dev)
{
device_set_state(dev, HAL_HF_CLIENT_CONN_STATE_DISCONNECTED);
queue_remove(devices, dev);
if (dev->hf)
hfp_hf_unref(dev->hf);
free(dev);
}
static void handle_disconnect(const void *buf, uint16_t len)
{
const struct hal_cmd_hf_client_disconnect *cmd = buf;
struct device *dev;
uint32_t status;
bdaddr_t bdaddr;
char addr[18];
DBG("");
android2bdaddr(&cmd->bdaddr, &bdaddr);
ba2str(&bdaddr, addr);
DBG("Disconnect %s", addr);
dev = get_device(&bdaddr);
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (dev->state == HAL_HF_CLIENT_CONN_STATE_DISCONNECTED) {
status = HAL_STATUS_FAILED;
goto done;
}
if (dev->state == HAL_HF_CLIENT_CONN_STATE_DISCONNECTING) {
status = HAL_STATUS_SUCCESS;
goto done;
}
if (dev->state == HAL_HF_CLIENT_CONN_STATE_CONNECTING) {
device_destroy(dev);
status = HAL_STATUS_SUCCESS;
goto done;
}
status = hfp_hf_disconnect(dev->hf) ? HAL_STATUS_SUCCESS :
HAL_STATUS_FAILED;
if (status)
device_set_state(dev, HAL_HF_CLIENT_CONN_STATE_DISCONNECTING);
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_DISCONNECT, status);
}
static void set_audio_state(struct device *dev, uint8_t state)
{
struct hal_ev_hf_client_audio_state ev;
char address[18];
if (dev->audio_state == state)
return;
dev->audio_state = state;
ba2str(&dev->bdaddr, address);
DBG("device %s audio state %u", address, state);
bdaddr2android(&dev->bdaddr, ev.bdaddr);
ev.state = state;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_AUDIO_STATE, sizeof(ev), &ev);
}
static void bcc_cb(enum hfp_result result, enum hfp_error cme_err,
void *user_data)
{
struct device *dev = user_data;
if (result != HFP_RESULT_OK)
set_audio_state(dev, HAL_HF_CLIENT_AUDIO_STATE_DISCONNECTED);
}
static bool codec_negotiation_supported(struct device *dev)
{
return (dev->features & HFP_AG_FEAT_CODEC) &&
(hfp_hf_features & HFP_HF_FEAT_CODEC);
}
static bool connect_sco(struct device *dev)
{
if (codec_negotiation_supported(dev))
return hfp_hf_send_command(dev->hf, bcc_cb, dev,
"AT+BCC");
return bt_sco_connect(sco, &dev->bdaddr, BT_VOICE_CVSD_16BIT);
}
static void handle_connect_audio(const void *buf, uint16_t len)
{
const struct hal_cmd_hf_client_connect_audio *cmd = (void *) buf;
struct device *dev;
uint8_t status;
bdaddr_t bdaddr;
DBG("");
android2bdaddr(&cmd->bdaddr, &bdaddr);
dev = find_device(&bdaddr);
if (!dev || dev->state != HAL_HF_CLIENT_CONN_STATE_SLC_CONNECTED ||
dev->audio_state != HAL_HF_CLIENT_AUDIO_STATE_DISCONNECTED) {
error("hf-client: Cannot create SCO, check SLC or audio state");
status = HAL_STATUS_FAILED;
goto done;
}
if (connect_sco(dev)) {
status = HAL_STATUS_SUCCESS;
set_audio_state(dev, HAL_HF_CLIENT_AUDIO_STATE_CONNECTING);
} else {
status = HAL_STATUS_FAILED;
}
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_CONNECT_AUDIO, status);
}
static void handle_disconnect_audio(const void *buf, uint16_t len)
{
const struct hal_cmd_hf_client_disconnect_audio *cmd = (void *) buf;
struct device *dev;
uint8_t status;
bdaddr_t bdaddr;
DBG("");
android2bdaddr(&cmd->bdaddr, &bdaddr);
dev = find_device(&bdaddr);
if (!dev ||
dev->audio_state == HAL_HF_CLIENT_AUDIO_STATE_DISCONNECTED) {
error("hf-client: Device not found or audio not connected");
status = HAL_STATUS_FAILED;
goto done;
}
bt_sco_disconnect(sco);
status = HAL_STATUS_SUCCESS;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_DISCONNECT_AUDIO, status);
}
static void cmd_complete_cb(enum hfp_result result, enum hfp_error cme_err,
void *user_data)
{
struct hal_ev_hf_client_command_complete ev;
DBG("");
memset(&ev, 0, sizeof(ev));
switch (result) {
case HFP_RESULT_OK:
ev.type = HAL_HF_CLIENT_CMD_COMP_OK;
break;
case HFP_RESULT_NO_CARRIER:
ev.type = HAL_HF_CLIENT_CMD_COMP_ERR_NO_CARRIER;
break;
case HFP_RESULT_ERROR:
ev.type = HAL_HF_CLIENT_CMD_COMP_ERR;
break;
case HFP_RESULT_BUSY:
ev.type = HAL_HF_CLIENT_CMD_COMP_ERR_BUSY;
break;
case HFP_RESULT_NO_ANSWER:
ev.type = HAL_HF_CLIENT_CMD_COMP_ERR_NO_ANSWER;
break;
case HFP_RESULT_DELAYED:
ev.type = HAL_HF_CLIENT_CMD_COMP_ERR_DELAYED;
break;
case HFP_RESULT_BLACKLISTED:
ev.type = HAL_HF_CLIENT_CMD_COMP_ERR_BACKLISTED;
break;
case HFP_RESULT_CME_ERROR:
ev.type = HAL_HF_CLIENT_CMD_COMP_ERR_CME;
ev.cme = cme_err;
break;
case HFP_RESULT_CONNECT:
case HFP_RESULT_RING:
case HFP_RESULT_NO_DIALTONE:
default:
error("hf-client: Unknown error code %d", result);
ev.type = HAL_HF_CLIENT_CMD_COMP_ERR;
break;
}
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_CLIENT_COMMAND_COMPLETE, sizeof(ev), &ev);
}
static void handle_start_vr(const void *buf, uint16_t len)
{
struct device *dev;
uint8_t status;
DBG("");
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL, "AT+BVRA=1"))
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_START_VR, status);
}
static void handle_stop_vr(const void *buf, uint16_t len)
{
struct device *dev;
uint8_t status;
DBG("");
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL, "AT+BVRA=0"))
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_STOP_VR, status);
}
static void handle_volume_control(const void *buf, uint16_t len)
{
const struct hal_cmd_hf_client_volume_control *cmd = buf;
struct device *dev;
uint8_t status;
uint8_t vol;
bool ret;
DBG("");
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
/*
* Volume is in the range 0-15. Make sure we send correct value
* to remote device
*/
vol = cmd->volume > 15 ? 15 : cmd->volume;
switch (cmd->type) {
case HF_CLIENT_VOLUME_TYPE_SPEAKER:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+VGS=%u", vol);
break;
case HF_CLIENT_VOLUME_TYPE_MIC:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+VGM=%u", vol);
break;
default:
ret = false;
break;
}
status = ret ? HAL_STATUS_SUCCESS : HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_VOLUME_CONTROL,
status);
}
static void handle_dial(const void *buf, uint16_t len)
{
const struct hal_cmd_hf_client_dial *cmd = buf;
struct device *dev;
uint8_t status;
bool ret;
DBG("");
if (len != sizeof(*cmd) + cmd->number_len)
goto failed;
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (cmd->number_len > 0) {
if (cmd->number[cmd->number_len - 1] != '\0')
goto failed;
DBG("Dialing %s", cmd->number);
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"ATD%s;", cmd->number);
} else {
DBG("Redialing");
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+BLDN");
}
status = ret ? HAL_STATUS_SUCCESS : HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_DIAL, status);
return;
failed:
error("Malformed number data, size (%u bytes), terminating", len);
raise(SIGTERM);
}
static void handle_dial_memory(const void *buf, uint16_t len)
{
const struct hal_cmd_hf_client_dial_memory *cmd = buf;
struct device *dev;
uint8_t status;
DBG("");
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
/* For some reason location in BT HAL is int. Therefore that check */
if (cmd->location < 0) {
status = HAL_STATUS_FAILED;
goto done;
}
if (hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL , "ATD>%d;",
cmd->location))
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_DIAL_MEMORY, status);
}
static void handle_call_action(const void *buf, uint16_t len)
{
const struct hal_cmd_hf_client_call_action *cmd = buf;
struct device *dev;
uint8_t status;
bool ret;
DBG("");
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
switch (cmd->action) {
case HAL_HF_CLIENT_ACTION_CHLD_0:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+CHLD=0");
break;
case HAL_HF_CLIENT_ACTION_CHLD_1:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+CHLD=1");
break;
case HAL_HF_CLIENT_ACTION_CHLD_2:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb,
NULL, "AT+CHLD=2");
break;
case HAL_HF_CLIENT_ACTION_CHLD_3:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+CHLD=3");
break;
case HAL_HF_CLIENT_ACTION_CHLD_4:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+CHLD=4");
break;
case HAL_HF_CLIENT_ACTION_CHLD_1x:
/* Index is int in BT HAL. Let's be paranoid here */
if (cmd->index <= 0)
ret = false;
else
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb,
NULL, "AT+CHLD=1%d", cmd->index);
break;
case HAL_HF_CLIENT_ACTION_CHLD_2x:
/* Index is int in BT HAL. Let's be paranoid here */
if (cmd->index <= 0)
ret = false;
else
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb,
NULL, "AT+CHLD=2%d", cmd->index);
break;
case HAL_HF_CLIENT_ACTION_ATA:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"ATA");
break;
case HAL_HF_CLIENT_ACTION_CHUP:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+CHUP");
break;
case HAL_HF_CLIENT_ACTION_BRTH_0:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+BTRH=0");
break;
case HAL_HF_CLIENT_ACTION_BRTH_1:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+BTRH=1");
break;
case HAL_HF_CLIENT_ACTION_BRTH_2:
ret = hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL,
"AT+BTRH=2");
break;
default:
error("hf-client: Unknown action %d", cmd->action);
ret = false;
break;
}
status = ret ? HAL_STATUS_SUCCESS : HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_CALL_ACTION, status);
}
static void handle_query_current_calls(const void *buf, uint16_t len)
{
struct device *dev;
uint8_t status;
DBG("");
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL, "AT+CLCC"))
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_QUERY_CURRENT_CALLS,
status);
}
static void handle_query_operator_name(const void *buf, uint16_t len)
{
struct device *dev;
uint8_t status;
DBG("");
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL, "AT+COPS?"))
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_QUERY_OPERATOR_NAME,
status);
}
static void handle_retrieve_subscr_info(const void *buf, uint16_t len)
{
struct device *dev;
uint8_t status;
DBG("");
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL, "AT+CNUM"))
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_RETRIEVE_SUBSCR_INFO,
status);
}
static void handle_send_dtmf(const void *buf, uint16_t len)
{
const struct hal_cmd_hf_client_send_dtmf *cmd = buf;
struct device *dev;
uint8_t status;
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL, "AT+VTS=%c",
(char) cmd->tone))
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_SEND_DTMF, status);
}
static void handle_get_last_vc_tag_num(const void *buf, uint16_t len)
{
struct device *dev;
uint8_t status;
dev = find_default_device();
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL, "AT+BINP=1"))
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_GET_LAST_VOICE_TAG_NUM, status);
}
static void disconnect_watch(void *user_data)
{
DBG("");
device_destroy(user_data);
}
static void slc_error(struct device *dev)
{
error("hf-client: Could not create SLC - dropping connection");
hfp_hf_disconnect(dev->hf);
}
static void set_chld_feat(struct device *dev, char *feat)
{
DBG(" %s", feat);
if (strcmp(feat, "0") == 0)
dev->chld_features |= HAL_HF_CLIENT_CHLD_FEAT_REL;
else if (strcmp(feat, "1") == 0)
dev->chld_features |= HAL_HF_CLIENT_CHLD_FEAT_REL_ACC;
else if (strcmp(feat, "1x") == 0)
dev->chld_features |= HAL_HF_CLIENT_CHLD_FEAT_REL_X;
else if (strcmp(feat, "2") == 0)
dev->chld_features |= HAL_HF_CLIENT_CHLD_FEAT_HOLD_ACC;
else if (strcmp(feat, "2x") == 0)
dev->chld_features |= HAL_HF_CLIENT_CHLD_FEAT_PRIV_X;
else if (strcmp(feat, "3") == 0)
dev->chld_features |= HAL_HF_CLIENT_CHLD_FEAT_MERGE;
else if (strcmp(feat, "4") == 0)
dev->chld_features |= HAL_HF_CLIENT_CHLD_FEAT_MERGE_DETACH;
}
static void get_local_codecs_string(struct device *dev, char *buf,
uint8_t len)
{
int i;
uint8_t offset;
memset(buf, 0, len);
offset = 0;
for (i = 0; i < CODECS_COUNT; i++) {
char c[8];
int l;
if (!dev->codecs[i].local_supported)
continue;
memset(c, 0, sizeof(c));
l = sprintf(c, "%d,", dev->codecs[i].type);
if (l > (len - offset - 1)) {
error("hf-client: Codecs cannot fit into buffer");
return;
}
strcat(&buf[offset], c);
offset += l;
}
}
static void bvra_cb(struct hfp_context *context, void *user_data)
{
struct hal_ev_hf_client_vr_state ev;
unsigned int val;
if (!hfp_context_get_number(context, &val) || val > 1)
return;
ev.state = val ? HAL_HF_CLIENT_VR_STARTED : HAL_HF_CLIENT_VR_STOPPED;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_VR_STATE, sizeof(ev), &ev);
}
static void vgm_cb(struct hfp_context *context, void *user_data)
{
struct hal_ev_hf_client_volume_changed ev;
unsigned int val;
if (!hfp_context_get_number(context, &val) || val > 15)
return;
ev.type = HF_CLIENT_VOLUME_TYPE_MIC;
ev.volume = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_VR_STATE, sizeof(ev), &ev);
}
static void vgs_cb(struct hfp_context *context, void *user_data)
{
struct hal_ev_hf_client_volume_changed ev;
unsigned int val;
if (!hfp_context_get_number(context, &val) || val > 15)
return;
ev.type = HF_CLIENT_VOLUME_TYPE_SPEAKER;
ev.volume = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_CLIENT_VOLUME_CHANGED, sizeof(ev), &ev);
}
static void brth_cb(struct hfp_context *context, void *user_data)
{
struct hal_ev_hf_client_response_and_hold_status ev;
unsigned int val;
DBG("");
if (!hfp_context_get_number(context, &val) ||
val > HAL_HF_CLIENT_RESP_AND_HOLD_STATUS_REJECT) {
error("hf-client: incorrect BTRH response ");
return;
}
ev.status = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_RESPONSE_AND_HOLD_STATUS,
sizeof(ev), &ev);
}
static void clcc_cb(struct hfp_context *context, void *user_data)
{
uint8_t buf[IPC_MTU];
struct hal_ev_hf_client_current_call *ev = (void *) buf;
unsigned int val;
DBG("");
memset(buf, 0, sizeof(buf));
if (!hfp_context_get_number(context, &val)) {
error("hf-client: Could not get index");
return;
}
ev->index = val;
if (!hfp_context_get_number(context, &val) ||
val > HAL_HF_CLIENT_DIRECTION_INCOMING) {
error("hf-client: Could not get direction");
return;
}
ev->direction = val;
if (!hfp_context_get_number(context, &val) ||
val > HAL_HF_CLIENT_CALL_STATE_HELD_BY_RESP_AND_HOLD) {
error("hf-client: Could not get callstate");
return;
}
ev->call_state = val;
/* Next field is MODE but Android is not interested in this. Skip it */
if (!hfp_context_get_number(context, &val)) {
error("hf-client: Could not get mode");
return;
}
if (!hfp_context_get_number(context, &val) || val > 1) {
error("hf-client: Could not get multiparty");
return;
}
ev->multiparty = val;
if (hfp_context_get_string(context, (char *) &ev->number[0],
MAX_NUMBER_LEN))
ev->number_len = strlen((char *) ev->number) + 1;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_CURRENT_CALL,
sizeof(*ev) + ev->number_len, ev);
}
static void ciev_cb(struct hfp_context *context, void *user_data)
{
struct device *dev = user_data;
unsigned int index, val;
int i;
DBG("");
if (!hfp_context_get_number(context, &index))
return;
if (!hfp_context_get_number(context, &val))
return;
for (i = 0; i < HFP_INDICATOR_LAST; i++) {
if (dev->ag_ind[i].index != index)
continue;
if (dev->ag_ind[i].cb) {
dev->ag_ind[i].val = val;
dev->ag_ind[i].cb(val);
return;
}
}
}
static void cnum_cb(struct hfp_context *context, void *user_data)
{
uint8_t buf[IPC_MTU];
struct hal_ev_hf_client_subscriber_service_info *ev = (void *) buf;
unsigned int service;
DBG("");
/* Alpha field is empty string, just skip it */
hfp_context_skip_field(context);
if (!hfp_context_get_string(context, (char *) &ev->name[0],
MAX_NUMBER_LEN)) {
error("hf-client: Could not get number");
return;
}
ev->name_len = strlen((char *) &ev->name[0]) + 1;
/* Type is not used in Android */
hfp_context_skip_field(context);
/* Speed field is empty string, just skip it */
hfp_context_skip_field(context);
if (!hfp_context_get_number(context, &service))
return;
switch (service) {
case 4:
ev->type = HAL_HF_CLIENT_SUBSCR_TYPE_VOICE;
break;
case 5:
ev->type = HAL_HF_CLIENT_SUBSCR_TYPE_FAX;
break;
default:
ev->type = HAL_HF_CLIENT_SUBSCR_TYPE_UNKNOWN;
break;
}
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_CLIENT_SUBSCRIBER_SERVICE_INFO,
sizeof(*ev) + ev->name_len, ev);
}
static void cops_cb(struct hfp_context *context, void *user_data)
{
uint8_t buf[IPC_MTU];
struct hal_ev_hf_client_operator_name *ev = (void *) buf;
unsigned int format;
DBG("");
/* Not interested in mode */
hfp_context_skip_field(context);
if (!hfp_context_get_number(context, &format))
return;
if (format != 0)
info("hf-client: Not correct string format in +COSP");
if (!hfp_context_get_string(context, (char *) &ev->name[0],
MAX_OPERATOR_NAME_LEN)) {
error("hf-client: incorrect COPS response");
return;
}
ev->name_len = strlen((char *) &ev->name[0]) + 1;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_OPERATOR_NAME,
sizeof(*ev) + ev->name_len, ev);
}
static void binp_cb(struct hfp_context *context, void *user_data)
{
uint8_t buf[IPC_MTU];
struct hal_ev_hf_client_last_void_call_tag_num *ev = (void *) buf;
char number[33];
DBG("");
if (!hfp_context_get_string(context, number, sizeof(number))) {
error("hf-client: incorrect COPS response");
return;
}
ev->number_len = strlen(number) + 1;
memcpy(ev->number, number, ev->number_len);
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_CLIENT_LAST_VOICE_CALL_TAG_NUM,
sizeof(*ev) + ev->number_len, ev);
}
static bool is_codec_supported_localy(struct device *dev, uint8_t codec)
{
int i;
for (i = 0; i < CODECS_COUNT; i++) {
if (dev->codecs[i].type != codec)
continue;
return dev->codecs[i].local_supported;
}
return false;
}
static void bcs_resp(enum hfp_result result, enum hfp_error cme_err,
void *user_data)
{
if (result != HFP_RESULT_OK)
error("hf-client: Error on AT+BCS (err=%u)", result);
}
static void bcs_cb(struct hfp_context *context, void *user_data)
{
struct device *dev = user_data;
unsigned int codec;
char codecs_string[8];
DBG("");
if (!hfp_context_get_number(context, &codec))
goto failed;
if (!is_codec_supported_localy(dev, codec))
goto failed;
dev->negotiated_codec = codec;
hfp_hf_send_command(dev->hf, bcs_resp, dev, "AT+BCS=%u", codec);
return;
failed:
error("hf-client: Could not get codec");
get_local_codecs_string(dev, codecs_string, sizeof(codecs_string));
hfp_hf_send_command(dev->hf, bcs_resp, dev, "AT+BCS=%s", codecs_string);
}
static void slc_completed(struct device *dev)
{
int i;
struct indicator *ag_ind;
DBG("");
ag_ind = dev->ag_ind;
device_set_state(dev, HAL_HF_CLIENT_CONN_STATE_SLC_CONNECTED);
/* Notify Android with indicators */
for (i = 0; i < HFP_INDICATOR_LAST; i++) {
if (!ag_ind[i].cb)
continue;
ag_ind[i].cb(ag_ind[i].val);
}
/* TODO: register unsolicited results handlers */
hfp_hf_register(dev->hf, bvra_cb, "+BRVA", dev, NULL);
hfp_hf_register(dev->hf, vgm_cb, "+VGM", dev, NULL);
hfp_hf_register(dev->hf, vgs_cb, "+VGS", dev, NULL);
hfp_hf_register(dev->hf, brth_cb, "+BTRH", dev, NULL);
hfp_hf_register(dev->hf, clcc_cb, "+CLCC", dev, NULL);
hfp_hf_register(dev->hf, ciev_cb, "+CIEV", dev, NULL);
hfp_hf_register(dev->hf, cops_cb, "+COPS", dev, NULL);
hfp_hf_register(dev->hf, cnum_cb, "+CNUM", dev, NULL);
hfp_hf_register(dev->hf, binp_cb, "+BINP", dev, NULL);
hfp_hf_register(dev->hf, bcs_cb, "+BCS", dev, NULL);
if (!hfp_hf_send_command(dev->hf, cmd_complete_cb, NULL, "AT+COPS=3,0"))
info("hf-client: Could not send AT+COPS=3,0");
}
static void slc_chld_cb(struct hfp_context *context, void *user_data)
{
struct device *dev = user_data;
char feat[3];
if (!hfp_context_open_container(context))
goto failed;
while (hfp_context_get_unquoted_string(context, feat, sizeof(feat)))
set_chld_feat(dev, feat);
if (!hfp_context_close_container(context))
goto failed;
return;
failed:
error("hf-client: Error on CHLD response");
slc_error(dev);
}
static void slc_chld_resp(enum hfp_result result, enum hfp_error cme_err,
void *user_data)
{
struct device *dev = user_data;
DBG("");
hfp_hf_unregister(dev->hf, "+CHLD");
if (result != HFP_RESULT_OK) {
error("hf-client: CHLD error: %d", result);
slc_error(dev);
return;
}
slc_completed(dev);
}
static void slc_cmer_resp(enum hfp_result result, enum hfp_error cme_err,
void *user_data)
{
struct device *dev = user_data;
DBG("");
if (result != HFP_RESULT_OK) {
error("hf-client: CMER error: %d", result);
goto failed;
}
/* Continue with SLC creation */
if (!(dev->features & HFP_AG_FEAT_3WAY)) {
slc_completed(dev);
return;
}
if (!hfp_hf_register(dev->hf, slc_chld_cb, "+CHLD", dev, NULL)) {
error("hf-client: Could not register +CHLD");
goto failed;
}
if (!hfp_hf_send_command(dev->hf, slc_chld_resp, dev, "AT+CHLD=?")) {
error("hf-client: Could not send AT+CHLD");
goto failed;
}
return;
failed:
slc_error(dev);
}
static void set_indicator_value(uint8_t index, unsigned int val,
struct indicator *ag_ind)
{
int i;
for (i = 0; i < HFP_INDICATOR_LAST; i++) {
if (index != ag_ind[i].index)
continue;
ag_ind[i].val = val;
ag_ind[i].cb(val);
return;
}
}
static void slc_cind_status_cb(struct hfp_context *context,
void *user_data)
{
struct device *dev = user_data;
uint8_t index = 1;
DBG("");
while (hfp_context_has_next(context)) {
uint32_t val;
if (!hfp_context_get_number(context, &val)) {
error("hf-client: Error on CIND status response");
return;
}
set_indicator_value(index++, val, dev->ag_ind);
}
}
static void slc_cind_status_resp(enum hfp_result result,
enum hfp_error cme_err,
void *user_data)
{
struct device *dev = user_data;
DBG("");
hfp_hf_unregister(dev->hf, "+CIND");
if (result != HFP_RESULT_OK) {
error("hf-client: CIND error: %d", result);
goto failed;
}
/* Continue with SLC creation */
if (!hfp_hf_send_command(dev->hf, slc_cmer_resp, dev,
"AT+CMER=3,0,0,1")) {
error("hf-client: Counld not send AT+CMER");
goto failed;
}
return;
failed:
slc_error(dev);
}
static void slc_cind_resp(enum hfp_result result, enum hfp_error cme_err,
void *user_data)
{
struct device *dev = user_data;
DBG("");
hfp_hf_unregister(dev->hf, "+CIND");
if (result != HFP_RESULT_OK) {
error("hf-client: CIND error: %d", result);
goto failed;
}
/* Continue with SLC creation */
if (!hfp_hf_register(dev->hf, slc_cind_status_cb, "+CIND", dev,
NULL)) {
error("hf-client: Counld not register +CIND");
goto failed;
}
if (!hfp_hf_send_command(dev->hf, slc_cind_status_resp, dev,
"AT+CIND?")) {
error("hf-client: Counld not send AT+CIND?");
goto failed;
}
return;
failed:
slc_error(dev);
}
static void ciev_service_cb(uint8_t val)
{
struct hal_ev_hf_client_net_state ev;
DBG("");
if (val > HAL_HF_CLIENT_NET_ROAMING_TYPE_ROAMING) {
error("hf-client: Incorrect state %u:", val);
return;
}
ev.state = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_NET_STATE, sizeof(ev), &ev);
}
static void ciev_call_cb(uint8_t val)
{
struct hal_ev_hf_client_call_indicator ev;
DBG("");
if (val > HAL_HF_CLIENT_CALL_IND_CALL_IN_PROGERSS) {
error("hf-client: Incorrect call state %u:", val);
return;
}
ev.call = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_CALL_INDICATOR, sizeof(ev), &ev);
}
static void ciev_callsetup_cb(uint8_t val)
{
struct hal_ev_hf_client_call_setup_indicator ev;
DBG("");
if (val > HAL_HF_CLIENT_CALL_SETUP_ALERTING) {
error("hf-client: Incorrect call setup state %u:", val);
return;
}
ev.call_setup = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_CALL_SETUP_INDICATOR,
sizeof(ev), &ev);
}
static void ciev_callheld_cb(uint8_t val)
{
struct hal_ev_hf_client_call_held_indicator ev;
DBG("");
if (val > HAL_HF_CLIENT_CALL_SETUP_IND_HOLD) {
error("hf-client: Incorrect call held state %u:", val);
return;
}
ev.call_held = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_CALL_HELD_INDICATOR,
sizeof(ev), &ev);
}
static void ciev_signal_cb(uint8_t val)
{
struct hal_ev_hf_client_net_signal_strength ev;
DBG("");
if (val > 5) {
error("hf-client: Incorrect signal value %u:", val);
return;
}
ev.signal_strength = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_NET_SIGNAL_STRENGTH,
sizeof(ev), &ev);
}
static void ciev_roam_cb(uint8_t val)
{
struct hal_ev_hf_client_net_roaming_type ev;
DBG("");
if (val > HAL_HF_CLIENT_NET_ROAMING_TYPE_ROAMING) {
error("hf-client: Incorrect roaming state %u:", val);
return;
}
ev.state = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_NET_ROAMING_TYPE,
sizeof(ev), &ev);
}
static void ciev_battchg_cb(uint8_t val)
{
struct hal_ev_hf_client_battery_level ev;
DBG("");
if (val > 5) {
error("hf-client: Incorrect battery charge value %u:", val);
return;
}
ev.battery_level = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_EV_HF_CLIENT_BATTERY_LEVEL, sizeof(ev), &ev);
}
static void set_indicator_parameters(uint8_t index, const char *indicator,
unsigned int min,
unsigned int max,
struct indicator *ag_ind)
{
DBG("%s, %i", indicator, index);
/* TODO: Verify min/max values ? */
if (strcmp("service", indicator) == 0) {
ag_ind[HFP_INDICATOR_SERVICE].index = index;
ag_ind[HFP_INDICATOR_SERVICE].min = min;
ag_ind[HFP_INDICATOR_SERVICE].max = max;
ag_ind[HFP_INDICATOR_SERVICE].cb = ciev_service_cb;
return;
}
if (strcmp("call", indicator) == 0) {
ag_ind[HFP_INDICATOR_CALL].index = index;
ag_ind[HFP_INDICATOR_CALL].min = min;
ag_ind[HFP_INDICATOR_CALL].max = max;
ag_ind[HFP_INDICATOR_CALL].cb = ciev_call_cb;
return;
}
if (strcmp("callsetup", indicator) == 0) {
ag_ind[HFP_INDICATOR_CALLSETUP].index = index;
ag_ind[HFP_INDICATOR_CALLSETUP].min = min;
ag_ind[HFP_INDICATOR_CALLSETUP].max = max;
ag_ind[HFP_INDICATOR_CALLSETUP].cb = ciev_callsetup_cb;
return;
}
if (strcmp("callheld", indicator) == 0) {
ag_ind[HFP_INDICATOR_CALLHELD].index = index;
ag_ind[HFP_INDICATOR_CALLHELD].min = min;
ag_ind[HFP_INDICATOR_CALLHELD].max = max;
ag_ind[HFP_INDICATOR_CALLHELD].cb = ciev_callheld_cb;
return;
}
if (strcmp("signal", indicator) == 0) {
ag_ind[HFP_INDICATOR_SIGNAL].index = index;
ag_ind[HFP_INDICATOR_SIGNAL].min = min;
ag_ind[HFP_INDICATOR_SIGNAL].max = max;
ag_ind[HFP_INDICATOR_SIGNAL].cb = ciev_signal_cb;
return;
}
if (strcmp("roam", indicator) == 0) {
ag_ind[HFP_INDICATOR_ROAM].index = index;
ag_ind[HFP_INDICATOR_ROAM].min = min;
ag_ind[HFP_INDICATOR_ROAM].max = max;
ag_ind[HFP_INDICATOR_ROAM].cb = ciev_roam_cb;
return;
}
if (strcmp("battchg", indicator) == 0) {
ag_ind[HFP_INDICATOR_BATTCHG].index = index;
ag_ind[HFP_INDICATOR_BATTCHG].min = min;
ag_ind[HFP_INDICATOR_BATTCHG].max = max;
ag_ind[HFP_INDICATOR_BATTCHG].cb = ciev_battchg_cb;
return;
}
error("hf-client: Unknown indicator: %s", indicator);
}
static void slc_cind_cb(struct hfp_context *context, void *user_data)
{
struct device *dev = user_data;
int index = 1;
DBG("");
while (hfp_context_has_next(context)) {
char name[255];
unsigned int min, max;
/* e.g ("callsetup",(0-3)) */
if (!hfp_context_open_container(context))
break;
if (!hfp_context_get_string(context, name, sizeof(name))) {
error("hf-client: Could not get string");
goto failed;
}
if (!hfp_context_open_container(context)) {
error("hf-client: Could not open container");
goto failed;
}
if (!hfp_context_get_range(context, &min, &max)) {
if (!hfp_context_get_number(context, &min)) {
error("hf-client: Could not get number");
goto failed;
}
if (!hfp_context_get_number(context, &max)) {
error("hf-client: Could not get number");
goto failed;
}
}
if (!hfp_context_close_container(context)) {
error("hf-client: Could not close container");
goto failed;
}
if (!hfp_context_close_container(context)) {
error("hf-client: Could not close container");
goto failed;
}
set_indicator_parameters(index, name, min, max, dev->ag_ind);
index++;
}
return;
failed:
error("hf-client: Error on CIND response");
slc_error(dev);
}
static void slc_bac_resp(enum hfp_result result, enum hfp_error cme_err,
void *user_data)
{
struct device *dev = user_data;
DBG("");
if (result != HFP_RESULT_OK)
goto failed;
/* Continue with SLC creation */
if (!hfp_hf_register(dev->hf, slc_cind_cb, "+CIND", dev, NULL)) {
error("hf-client: Could not register for +CIND");
goto failed;
}
if (!hfp_hf_send_command(dev->hf, slc_cind_resp, dev, "AT+CIND=?"))
goto failed;
return;
failed:
error("hf-client: Error on BAC response");
slc_error(dev);
}
static bool send_supported_codecs(struct device *dev)
{
char codecs_string[8];
char bac[16];
memset(bac, 0, sizeof(bac));
strcpy(bac, "AT+BAC=");
get_local_codecs_string(dev, codecs_string, sizeof(codecs_string));
strcat(bac, codecs_string);
return hfp_hf_send_command(dev->hf, slc_bac_resp, dev, bac);
}
static void slc_brsf_cb(struct hfp_context *context, void *user_data)
{
unsigned int feat;
struct device *dev = user_data;
DBG("");
if (hfp_context_get_number(context, &feat))
dev->features = feat;
}
static void slc_brsf_resp(enum hfp_result result, enum hfp_error cme_err,
void *user_data)
{
struct device *dev = user_data;
hfp_hf_unregister(dev->hf, "+BRSF");
if (result != HFP_RESULT_OK) {
error("hf-client: BRSF error: %d", result);
goto failed;
}
/* Continue with SLC creation */
if (codec_negotiation_supported(dev)) {
if (send_supported_codecs(dev))
return;
error("hf-client: Could not send BAC command");
goto failed;
}
/* No WBS on remote side. Continue with indicators */
if (!hfp_hf_register(dev->hf, slc_cind_cb, "+CIND", dev, NULL)) {
error("hf-client: Could not register for +CIND");
goto failed;
}
if (!hfp_hf_send_command(dev->hf, slc_cind_resp, dev, "AT+CIND=?")) {
error("hf-client: Could not send AT+CIND command");
goto failed;
}
return;
failed:
slc_error(dev);
}
static bool create_slc(struct device *dev)
{
DBG("");
if (!hfp_hf_register(dev->hf, slc_brsf_cb, "+BRSF", dev, NULL))
return false;
return hfp_hf_send_command(dev->hf, slc_brsf_resp, dev, "AT+BRSF=%u",
hfp_hf_features);
}
static void connect_cb(GIOChannel *chan, GError *err, gpointer user_data)
{
struct device *dev = user_data;
DBG("");
if (err) {
error("hf-client: connect failed (%s)", err->message);
goto failed;
}
dev->hf = hfp_hf_new(g_io_channel_unix_get_fd(chan));
if (!dev->hf) {
error("hf-client: Could not create hfp io");
goto failed;
}
g_io_channel_set_close_on_unref(chan, FALSE);
hfp_hf_set_close_on_unref(dev->hf, true);
hfp_hf_set_disconnect_handler(dev->hf, disconnect_watch, dev, NULL);
if (!create_slc(dev)) {
error("hf-client: Could not start SLC creation");
hfp_hf_disconnect(dev->hf);
goto failed;
}
device_set_state(dev, HAL_HF_CLIENT_CONN_STATE_CONNECTED);
return;
failed:
g_io_channel_shutdown(chan, TRUE, NULL);
device_destroy(dev);
}
static void sdp_hfp_search_cb(sdp_list_t *recs, int err, gpointer data)
{
sdp_list_t *protos, *classes;
struct device *dev = data;
GError *gerr = NULL;
GIOChannel *io;
uuid_t uuid;
int channel;
DBG("");
if (err < 0) {
error("hf-client: unable to get SDP record: %s",
strerror(-err));
goto failed;
}
if (!recs || !recs->data) {
info("hf-client: no HFP SDP records found");
goto failed;
}
if (sdp_get_service_classes(recs->data, &classes) < 0 || !classes) {
error("hf-client: unable to get service classes from record");
goto failed;
}
/* TODO read remote version? */
memcpy(&uuid, classes->data, sizeof(uuid));
sdp_list_free(classes, free);
if (!sdp_uuid128_to_uuid(&uuid) || uuid.type != SDP_UUID16 ||
uuid.value.uuid16 != HANDSFREE_AGW_SVCLASS_ID) {
error("hf-client: invalid service record or not HFP");
goto failed;
}
if (sdp_get_access_protos(recs->data, &protos) < 0) {
error("hf-client: unable to get access protocols from record");
sdp_list_free(classes, free);
goto failed;
}
channel = sdp_get_proto_port(protos, RFCOMM_UUID);
sdp_list_foreach(protos, (sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(protos, NULL);
if (channel <= 0) {
error("hf-client: unable to get RFCOMM channel from record");
goto failed;
}
io = bt_io_connect(connect_cb, dev, NULL, &gerr,
BT_IO_OPT_SOURCE_BDADDR, &adapter_addr,
BT_IO_OPT_DEST_BDADDR, &dev->bdaddr,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_CHANNEL, channel,
BT_IO_OPT_INVALID);
if (!io) {
error("hf-client: unable to connect: %s", gerr->message);
g_error_free(gerr);
goto failed;
}
g_io_channel_unref(io);
return;
failed:
device_destroy(dev);
}
static int sdp_search_hfp(struct device *dev)
{
uuid_t uuid;
sdp_uuid16_create(&uuid, HANDSFREE_AGW_SVCLASS_ID);
return bt_search_service(&adapter_addr, &dev->bdaddr, &uuid,
sdp_hfp_search_cb, dev, NULL, 0);
}
static void handle_connect(const void *buf, uint16_t len)
{
struct device *dev;
const struct hal_cmd_hf_client_connect *cmd = buf;
uint32_t status;
bdaddr_t bdaddr;
char addr[18];
DBG("");
android2bdaddr(&cmd->bdaddr, &bdaddr);
ba2str(&bdaddr, addr);
DBG("connecting to %s", addr);
dev = get_device(&bdaddr);
if (!dev) {
status = HAL_STATUS_FAILED;
goto done;
}
if (dev->state != HAL_HF_CLIENT_CONN_STATE_DISCONNECTED) {
status = HAL_STATUS_FAILED;
goto done;
}
if (sdp_search_hfp(dev) < 0) {
status = HAL_STATUS_FAILED;
device_destroy(dev);
goto done;
}
device_set_state(dev, HAL_HF_CLIENT_CONN_STATE_CONNECTING);
status = HAL_STATUS_SUCCESS;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
HAL_OP_HF_CLIENT_CONNECT, status);
}
static void confirm_cb(GIOChannel *chan, gpointer data)
{
struct device *dev;
char address[18];
bdaddr_t bdaddr;
GError *err = NULL;
bt_io_get(chan, &err,
BT_IO_OPT_DEST, address,
BT_IO_OPT_DEST_BDADDR, &bdaddr,
BT_IO_OPT_INVALID);
if (err) {
error("hf-client: confirm failed (%s)", err->message);
g_error_free(err);
goto drop;
}
DBG("Incoming connection from %s", address);
dev = get_device(&bdaddr);
if (!dev) {
error("hf-client: There is other AG connected");
goto drop;
}
if (dev->state != HAL_HF_CLIENT_CONN_STATE_DISCONNECTED) {
/* TODO: Handle colision */
error("hf-client: Connections is up or ongoing ?");
goto drop;
}
device_set_state(dev, HAL_HF_CLIENT_CONN_STATE_CONNECTING);
if (!bt_io_accept(chan, connect_cb, dev, NULL, NULL)) {
error("hf-client: failed to accept connection");
device_destroy(dev);
goto drop;
}
return;
drop:
g_io_channel_shutdown(chan, TRUE, NULL);
}
static const struct ipc_handler cmd_handlers[] = {
/* HAL_OP_HF_CLIENT_CONNECT */
{ handle_connect, false,
sizeof(struct hal_cmd_hf_client_connect) },
/* HAL_OP_HF_CLIENT_DISCONNECT */
{ handle_disconnect, false,
sizeof(struct hal_cmd_hf_client_disconnect) },
/* HAL_OP_HF_CLIENT_CONNECT_AUDIO */
{ handle_connect_audio, false,
sizeof(struct hal_cmd_hf_client_connect_audio) },
/* HAL_OP_HF_CLIENT_DISCONNECT_AUDIO */
{ handle_disconnect_audio, false,
sizeof(struct hal_cmd_hf_client_disconnect_audio) },
/* define HAL_OP_HF_CLIENT_START_VR */
{ handle_start_vr, false, 0 },
/* define HAL_OP_HF_CLIENT_STOP_VR */
{ handle_stop_vr, false, 0 },
/* HAL_OP_HF_CLIENT_VOLUME_CONTROL */
{ handle_volume_control, false,
sizeof(struct hal_cmd_hf_client_volume_control) },
/* HAL_OP_HF_CLIENT_DIAL */
{ handle_dial, true, sizeof(struct hal_cmd_hf_client_dial) },
/* HAL_OP_HF_CLIENT_DIAL_MEMORY */
{ handle_dial_memory, false,
sizeof(struct hal_cmd_hf_client_dial_memory) },
/* HAL_OP_HF_CLIENT_CALL_ACTION */
{ handle_call_action, false,
sizeof(struct hal_cmd_hf_client_call_action) },
/* HAL_OP_HF_CLIENT_QUERY_CURRENT_CALLS */
{ handle_query_current_calls, false, 0 },
/* HAL_OP_HF_CLIENT_QUERY_OPERATOR_NAME */
{ handle_query_operator_name, false, 0 },
/* HAL_OP_HF_CLIENT_RETRIEVE_SUBSCR_INFO */
{ handle_retrieve_subscr_info, false, 0 },
/* HAL_OP_HF_CLIENT_SEND_DTMF */
{ handle_send_dtmf, false,
sizeof(struct hal_cmd_hf_client_send_dtmf) },
/* HAL_OP_HF_CLIENT_GET_LAST_VOICE_TAG_NUM */
{ handle_get_last_vc_tag_num, false, 0 },
};
static sdp_record_t *hfp_hf_record(void)
{
sdp_list_t *svclass_id, *pfseq, *apseq, *root;
uuid_t root_uuid, svclass_uuid, ga_svclass_uuid;
uuid_t l2cap_uuid, rfcomm_uuid;
sdp_profile_desc_t profile;
sdp_list_t *aproto, *proto[2];
sdp_record_t *record;
sdp_data_t *channel, *features;
uint16_t sdpfeat;
uint8_t ch = HFP_HF_CHANNEL;
record = sdp_record_alloc();
if (!record)
return NULL;
sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
root = sdp_list_append(NULL, &root_uuid);
sdp_set_browse_groups(record, root);
sdp_uuid16_create(&svclass_uuid, HANDSFREE_SVCLASS_ID);
svclass_id = sdp_list_append(NULL, &svclass_uuid);
sdp_uuid16_create(&ga_svclass_uuid, GENERIC_AUDIO_SVCLASS_ID);
svclass_id = sdp_list_append(svclass_id, &ga_svclass_uuid);
sdp_set_service_classes(record, svclass_id);
sdp_uuid16_create(&profile.uuid, HANDSFREE_PROFILE_ID);
profile.version = 0x0106;
pfseq = sdp_list_append(NULL, &profile);
sdp_set_profile_descs(record, pfseq);
sdp_uuid16_create(&l2cap_uuid, L2CAP_UUID);
proto[0] = sdp_list_append(NULL, &l2cap_uuid);
apseq = sdp_list_append(NULL, proto[0]);
sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID);
proto[1] = sdp_list_append(NULL, &rfcomm_uuid);
channel = sdp_data_alloc(SDP_UINT8, &ch);
proto[1] = sdp_list_append(proto[1], channel);
apseq = sdp_list_append(apseq, proto[1]);
/* Codec Negotiation bit in SDP feature is different then in BRSF */
sdpfeat = hfp_hf_features & 0x0000003F;
if (hfp_hf_features & HFP_HF_FEAT_CODEC)
sdpfeat |= 0x00000020;
else
sdpfeat &= ~0x00000020;
features = sdp_data_alloc(SDP_UINT16, &sdpfeat);
sdp_attr_add(record, SDP_ATTR_SUPPORTED_FEATURES, features);
aproto = sdp_list_append(NULL, apseq);
sdp_set_access_protos(record, aproto);
sdp_set_info_attr(record, "Hands-Free unit", NULL, NULL);
sdp_data_free(channel);
sdp_list_free(proto[0], NULL);
sdp_list_free(proto[1], NULL);
sdp_list_free(apseq, NULL);
sdp_list_free(pfseq, NULL);
sdp_list_free(aproto, NULL);
sdp_list_free(root, NULL);
sdp_list_free(svclass_id, NULL);
return record;
}
static bool enable_hf_client(void)
{
sdp_record_t *rec;
GError *err = NULL;
hfp_hf_server = bt_io_listen(NULL, confirm_cb, NULL, NULL, &err,
BT_IO_OPT_SOURCE_BDADDR, &adapter_addr,
BT_IO_OPT_CHANNEL, HFP_HF_CHANNEL,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_INVALID);
if (!hfp_hf_server) {
error("hf-client: Failed to listen on Handsfree rfcomm: %s",
err->message);
g_error_free(err);
return false;
}
hfp_hf_features = HFP_HF_FEATURES;
rec = hfp_hf_record();
if (!rec) {
error("hf-client: Could not create service record");
goto failed;
}
if (bt_adapter_add_record(rec, 0) < 0) {
error("hf-client: Failed to register service record");
sdp_record_free(rec);
goto failed;
}
hfp_hf_record_id = rec->handle;
return true;
failed:
g_io_channel_shutdown(hfp_hf_server, TRUE, NULL);
g_io_channel_unref(hfp_hf_server);
hfp_hf_server = NULL;
return false;
}
static void cleanup_hfp_hf(void)
{
if (hfp_hf_server) {
g_io_channel_shutdown(hfp_hf_server, TRUE, NULL);
g_io_channel_unref(hfp_hf_server);
hfp_hf_server = NULL;
}
if (hfp_hf_record_id > 0) {
bt_adapter_remove_record(hfp_hf_record_id);
hfp_hf_record_id = 0;
}
if (sco) {
bt_sco_unref(sco);
sco = NULL;
}
}
static bool confirm_sco_cb(const bdaddr_t *addr, uint16_t *voice_settings)
{
struct device *dev;
DBG("");
dev = find_device(addr);
if (!dev || dev->state != HAL_HF_CLIENT_CONN_STATE_SLC_CONNECTED) {
error("hf-client: No device or SLC not ready");
return false;
}
set_audio_state(dev, HAL_HF_CLIENT_AUDIO_STATE_CONNECTING);
if (codec_negotiation_supported(dev) &&
dev->negotiated_codec != CODEC_ID_CVSD)
*voice_settings = BT_VOICE_TRANSPARENT;
else
*voice_settings = BT_VOICE_CVSD_16BIT;
return true;
}
static void connect_sco_cb(enum sco_status status, const bdaddr_t *addr)
{
struct device *dev;
uint8_t audio_state;
DBG("SCO Status %u", status);
/* Device shall be there, just sanity check */
dev = find_device(addr);
if (!dev) {
error("hf-client: There is no device?");
return;
}
if (status != SCO_STATUS_OK) {
audio_state = HAL_HF_CLIENT_AUDIO_STATE_DISCONNECTED;
goto done;
}
if (dev->negotiated_codec == CODEC_ID_MSBC)
audio_state = HAL_HF_CLIENT_AUDIO_STATE_CONNECTED_MSBC;
else
audio_state = HAL_HF_CLIENT_AUDIO_STATE_CONNECTED;
done:
set_audio_state(dev, audio_state);
}
static void disconnect_sco_cb(const bdaddr_t *addr)
{
struct device *dev;
DBG("");
dev = find_device(addr);
if (!dev) {
error("hf-client: No device");
return;
}
set_audio_state(dev, HAL_HF_CLIENT_AUDIO_STATE_DISCONNECTED);
}
bool bt_hf_client_register(struct ipc *ipc, const bdaddr_t *addr)
{
DBG("");
devices = queue_new();
bacpy(&adapter_addr, addr);
if (!enable_hf_client())
goto failed;
sco = bt_sco_new(addr);
if (!sco) {
error("hf-client: Cannot create SCO. HFP AG is in use ?");
goto failed;
}
bt_sco_set_confirm_cb(sco, confirm_sco_cb);
bt_sco_set_connect_cb(sco, connect_sco_cb);
bt_sco_set_disconnect_cb(sco, disconnect_sco_cb);
hal_ipc = ipc;
ipc_register(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT, cmd_handlers,
G_N_ELEMENTS(cmd_handlers));
return true;
failed:
cleanup_hfp_hf();
queue_destroy(devices, free);
devices = NULL;
return false;
}
void bt_hf_client_unregister(void)
{
DBG("");
cleanup_hfp_hf();
queue_destroy(devices, (void *) device_destroy);
devices = NULL;
ipc_unregister(hal_ipc, HAL_SERVICE_ID_HANDSFREE);
hal_ipc = NULL;
}