diff --git a/audio/gateway.c b/audio/gateway.c
index 92a9fc3..db147df 100644
--- a/audio/gateway.c
+++ b/audio/gateway.c
@@ -1081,3 +1081,72 @@ int gateway_close(struct gateway *gw)
}
return 0;
}
+
+/* These are functions to be called from unix.c for audio system
+ * ifaces (alsa, gstreamer, etc.) */
+gboolean gateway_request_stream(struct audio_device *dev,
+ gateway_stream_cb_t cb, void *user_data)
+{
+ struct gateway *gw = dev->gateway;
+
+ if (!gw->sco) {
+ if (!gw->rfcomm)
+ return FALSE;
+ gw->sco_start_cb = cb;
+ gw->sco_start_cb_data = user_data;
+ bt_sco_connect(&dev->src, &dev->dst, sco_connect_cb, dev);
+ } else {
+ if (cb)
+ cb(dev, user_data);
+ }
+ return TRUE;
+}
+
+int gateway_config_stream(struct audio_device *dev, gateway_stream_cb_t sco_cb,
+ void *user_data)
+{
+ struct gateway *gw = dev->gateway;
+
+ if (!gw->rfcomm) {
+ gw->sco_start_cb = sco_cb;
+ gw->sco_start_cb_data = user_data;
+ return get_records(dev);
+ }
+
+ if (sco_cb)
+ sco_cb(dev, user_data);
+
+ return 0;
+}
+
+gboolean gateway_cancel_stream(struct audio_device *dev, unsigned int id)
+{
+ struct gateway *gw = dev->gateway;
+
+ gateway_close(gw);
+ return TRUE;
+}
+
+int gateway_get_sco_fd(struct audio_device *dev)
+{
+ GIOChannel* sco_chan = dev->gateway->sco;
+
+ if (!sco_chan)
+ return -1;
+
+ return g_io_channel_unix_get_fd(sco_chan);
+}
+
+void gateway_suspend_stream(struct audio_device *dev)
+{
+ struct gateway* gw = dev->gateway;
+
+ if (gw->sco) {
+ g_io_channel_close(gw->sco);
+ g_io_channel_unref(gw->sco);
+ gw->sco = NULL;
+ gw->sco_start_cb = NULL;
+ gw->sco_start_cb_data = NULL;
+ }
+}
+
diff --git a/audio/gateway.h b/audio/gateway.h
index 3a1c41c..2cbb6f2 100644
--- a/audio/gateway.h
+++ b/audio/gateway.h
@@ -32,3 +32,10 @@ struct gateway *gateway_init(struct audio_device *device);
gboolean gateway_is_connected(struct audio_device* dev);
int gateway_connect_rfcomm(struct audio_device *dev, GIOChannel *chan);
void gateway_start_service(struct audio_device *device);
+gboolean gateway_request_stream(struct audio_device *dev,
+ gateway_stream_cb_t cb, void *user_data);
+int gateway_config_stream(struct audio_device *dev, gateway_stream_cb_t cb,
+ void *user_data);
+gboolean gateway_cancel_stream(struct audio_device *dev, unsigned int id);
+int gateway_get_sco_fd(struct audio_device *dev);
+void gateway_suspend_stream(struct audio_device *dev);
diff --git a/audio/ipc.h b/audio/ipc.h
index ff35376..6424c3e 100644
--- a/audio/ipc.h
+++ b/audio/ipc.h
@@ -108,7 +108,13 @@ typedef struct {
#define BT_CAPABILITIES_ACCESS_MODE_WRITE 2
#define BT_CAPABILITIES_ACCESS_MODE_READWRITE 3
+#define BT_CAPABILITIES_ROLE_SLAVE 0
+#define BT_CAPABILITIES_ROLE_MASTER 1
+
#define BT_FLAG_AUTOCONNECT 1
+/* choose between gateway/source (set bit) and
+ * headset/sink (clear bit aka default) */
+#define BT_FLAG_MASTER 0x2
struct bt_get_capabilities_req {
bt_audio_msg_header_t h;
@@ -164,8 +170,8 @@ struct bt_get_capabilities_req {
#define BT_PCM_FLAG_PCM_ROUTING 0x02
typedef struct {
- uint8_t transport;
- uint8_t type;
+ uint8_t transport; /* sco | a2dp */
+ uint8_t type; /* sbc | mpeg12 | mpeg24 | atrac */
uint8_t length;
uint8_t data[0];
} __attribute__ ((packed)) codec_capabilities_t;
diff --git a/audio/pcm_bluetooth.c b/audio/pcm_bluetooth.c
index 9bef89e..9c9e546 100644
--- a/audio/pcm_bluetooth.c
+++ b/audio/pcm_bluetooth.c
@@ -109,8 +109,10 @@ struct bluetooth_a2dp {
struct bluetooth_alsa_config {
char device[18]; /* Address of the remote Device */
int has_device;
- uint8_t transport; /* Requested transport */
+ uint8_t transport; /* SCO or A2DP */
int has_transport;
+ uint8_t role; /* Master (gateway|a2dp source) or Slave
(headset|a2dp sink) */
+ int has_role;
uint16_t rate;
int has_rate;
uint8_t channel_mode; /* A2DP only */
@@ -1399,6 +1401,21 @@ static int bluetooth_parse_config(snd_config_t *conf,
}
continue;
}
+ if (strcmp(id, "role") == 0){
+ if (snd_config_get_string(n, &value) < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+
+ if (strcmp(value, "master") == 0) {
+ bt_config->role = BT_CAPABILITIES_ROLE_MASTER;
+ bt_config->has_role = 1;
+ } else {
+ bt_config->role = BT_CAPABILITIES_ROLE_SLAVE;
+ bt_config->has_role = 1;
+ }
+ continue;
+ }
if (strcmp(id, "rate") == 0) {
if (snd_config_get_string(n, &value) < 0) {
@@ -1645,6 +1662,9 @@ static int bluetooth_init(struct bluetooth_data
*data, snd_pcm_stream_t stream,
if (alsa_conf->autoconnect)
req->flags |= BT_FLAG_AUTOCONNECT;
+ if (alsa_conf->has_role && alsa_conf->role == BT_CAPABILITIES_ROLE_MASTER) {
+ req->flags |= BT_FLAG_MASTER;
+ }
strncpy(req->device, alsa_conf->device, 18);
if (alsa_conf->has_transport)
req->transport = alsa_conf->transport;
diff --git a/audio/unix.c b/audio/unix.c
index a39f180..22671e8 100644
--- a/audio/unix.c
+++ b/audio/unix.c
@@ -47,12 +47,14 @@
#include "a2dp.h"
#include "headset.h"
#include "sink.h"
+#include "gateway.h"
#include "unix.h"
#include "glib-helper.h"
typedef enum {
TYPE_NONE,
TYPE_HEADSET,
+ TYPE_GATEWAY,
TYPE_SINK,
TYPE_SOURCE
} service_type_t;
@@ -194,6 +196,8 @@ static service_type_t select_service(struct
audio_device *dev, const char *inter
return TYPE_SINK;
else if (!strcmp(interface, AUDIO_HEADSET_INTERFACE) && dev->headset)
return TYPE_HEADSET;
+ else if (!strcmp(interface, AUDIO_GATEWAY_INTERFACE) && dev->gateway)
+ return TYPE_GATEWAY;
return TYPE_NONE;
}
@@ -248,7 +252,7 @@ static void headset_discovery_complete(struct
audio_device *dev, void *user_data
pcm = (void *) codec;
pcm->sampling_rate = 8000;
- if (headset_get_nrec(dev))
+ if (dev->headset && headset_get_nrec(dev))
pcm->flags |= BT_PCM_FLAG_NREC;
if (!headset_get_sco_hci(dev))
pcm->flags |= BT_PCM_FLAG_PCM_ROUTING;
@@ -298,6 +302,34 @@ failed:
unix_ipc_error(client, BT_SET_CONFIGURATION, EIO);
}
+static void gateway_setup_complete(struct audio_device *dev, void *user_data)
+{
+ struct unix_client *client = user_data;
+ char buf[BT_SUGGESTED_BUFFER_SIZE];
+ struct bt_set_configuration_rsp *rsp = (void *) buf;
+
+ if (!dev) {
+ unix_ipc_error(client, BT_SET_CONFIGURATION, EIO);
+ return;
+ }
+
+ client->req_id = 0;
+
+ memset(buf, 0, sizeof(buf));
+
+ rsp->h.type = BT_RESPONSE;
+ rsp->h.name = BT_SET_CONFIGURATION;
+ rsp->h.length = sizeof(*rsp);
+
+ rsp->transport = BT_CAPABILITIES_TRANSPORT_SCO;
+ rsp->access_mode = client->access_mode;
+ rsp->link_mtu = 48;
+
+ client->data_fd = gateway_get_sco_fd(dev);
+
+ unix_ipc_sendmsg(client, &rsp->h);
+}
+
static void headset_resume_complete(struct audio_device *dev, void *user_data)
{
struct unix_client *client = user_data;
@@ -350,6 +382,35 @@ failed:
unix_ipc_error(client, BT_START_STREAM, EIO);
}
+static void gateway_resume_complete(struct audio_device *dev, void *user_data)
+{
+ struct unix_client *client = user_data;
+ char buf[BT_SUGGESTED_BUFFER_SIZE];
+ struct bt_start_stream_rsp *rsp = (void *) buf;
+ struct bt_new_stream_ind *ind = (void *) buf;
+
+ memset(buf, 0, sizeof(buf));
+ rsp->h.type = BT_RESPONSE;
+ rsp->h.name = BT_START_STREAM;
+ rsp->h.length = sizeof(*rsp);
+
+ unix_ipc_sendmsg(client, &rsp->h);
+
+ memset(buf, 0, sizeof(buf));
+ ind->h.type = BT_INDICATION;
+ ind->h.name = BT_NEW_STREAM;
+ ind->h.length = sizeof(*ind);
+
+ unix_ipc_sendmsg(client, &ind->h);
+
+ client->data_fd = gateway_get_sco_fd(dev);
+ if (unix_sendmsg_fd(client->sock, client->data_fd) < 0) {
+ error("unix_sendmsg_fd: %s(%d)", strerror(errno), errno);
+ unix_ipc_error(client, BT_START_STREAM, EIO);
+ }
+ client->req_id = 0;
+}
+
static void headset_suspend_complete(struct audio_device *dev, void *user_data)
{
struct unix_client *client = user_data;
@@ -669,6 +730,7 @@ static void start_discovery(struct audio_device
*dev, struct unix_client *client
break;
case TYPE_HEADSET:
+ case TYPE_GATEWAY:
headset_discovery_complete(dev, client);
break;
@@ -730,6 +792,13 @@ static void start_config(struct audio_device
*dev, struct unix_client *client)
hs->lock, client);
client->cancel = headset_cancel_stream;
break;
+ case TYPE_GATEWAY:
+ if (gateway_config_stream(dev, gateway_setup_complete, client) >= 0) {
+ client->cancel = gateway_cancel_stream;
+ id = 1;
+ } else
+ id = 0;
+ break;
default:
error("No known services for device");
@@ -787,6 +856,14 @@ static void start_resume(struct audio_device
*dev, struct unix_client *client)
client->cancel = headset_cancel_stream;
break;
+ case TYPE_GATEWAY:
+ if (gateway_request_stream(dev, gateway_resume_complete, client))
+ id = 1;
+ else
+ id = 0;
+ client->cancel = gateway_cancel_stream;
+ break;
+
default:
error("No known services for device");
goto failed;
@@ -839,6 +916,13 @@ static void start_suspend(struct audio_device
*dev, struct unix_client *client)
client->cancel = headset_cancel_stream;
break;
+ case TYPE_GATEWAY:
+ gateway_suspend_stream(dev);
+ client->cancel = gateway_cancel_stream;
+ headset_suspend_complete(dev, client);
+ id = 1;
+ break;
+
default:
error("No known services for device");
goto failed;
@@ -868,9 +952,12 @@ static void handle_getcapabilities_req(struct
unix_client *client,
goto failed;
}
- if (req->transport == BT_CAPABILITIES_TRANSPORT_SCO)
- client->interface = g_strdup(AUDIO_HEADSET_INTERFACE);
- else if (req->transport == BT_CAPABILITIES_TRANSPORT_A2DP)
+ if (req->transport == BT_CAPABILITIES_TRANSPORT_SCO) {
+ if (req->flags & BT_FLAG_MASTER)
+ client->interface = g_strdup(AUDIO_GATEWAY_INTERFACE);
+ else
+ client->interface = g_strdup(AUDIO_HEADSET_INTERFACE);
+ } else if (req->transport == BT_CAPABILITIES_TRANSPORT_A2DP)
client->interface = g_strdup(AUDIO_SINK_INTERFACE);
if (!manager_find_device(&bdaddr, NULL, FALSE))
@@ -1007,13 +1094,7 @@ static void handle_setconfiguration_req(struct
unix_client *client,
str2ba(req->device, &bdaddr);
- if (req->codec.transport == BT_CAPABILITIES_TRANSPORT_SCO) {
- err = handle_sco_transport(client, req);
- if (err < 0) {
- err = -err;
- goto failed;
- }
- } else if (req->codec.transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
+ if (req->codec.transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
err = handle_a2dp_transport(client, req);
if (err < 0) {
err = -err;
--
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