static void hci_smd_notify_data(void *data, unsigned int event)
{
struct hci_dev *hdev = hs.hdev;
struct hci_smd_data *hsmd = &hs;
int len = 0;
if (!hdev) {
BT_ERR("Frame for unknown HCI device (hdev=NULL)");
return;
}
switch (event) {
case SMD_EVENT_DATA:
len = smd_read_avail(hsmd->data_channel);
if (len > 0)
tasklet_hi_schedule(&hs.rx_task);
else if (len < 0)
BT_ERR("Failed to read data from smd %d", len);
break;
case SMD_EVENT_OPEN:
BT_INFO("opening HCI-SMD channel :%s", DATA_CHANNEL);
hci_smd_open(hdev);
break;
case SMD_EVENT_CLOSE:
BT_INFO("Closing HCI-SMD channel :%s", DATA_CHANNEL);
hci_smd_close(hdev);
break;
default:
break;
}
}
static void hci_smd_notify_event(void *data, unsigned int event)
{
struct hci_dev *hdev = hs.hdev;
struct hci_smd_data *hsmd = &hs;
struct work_struct *reset_worker;
struct work_struct *open_worker;
int len = 0;
if (!hdev) {
BT_ERR("Frame for unknown HCI device (hdev=NULL)");
return;
}
switch (event) {
case SMD_EVENT_DATA:
len = smd_read_avail(hsmd->event_channel);
if (len > 0)
tasklet_hi_schedule(&hs.rx_task);
else if (len < 0)
BT_ERR("Failed to read event from smd %d", len);
break;
case SMD_EVENT_OPEN:
BT_INFO("opening HCI-SMD channel :%s", EVENT_CHANNEL);
hci_smd_open(hdev);
open_worker = kzalloc(sizeof(*open_worker), GFP_ATOMIC);
if (!open_worker) {
BT_ERR("Out of memory");
break;
}
INIT_WORK(open_worker, hci_dev_smd_open);
schedule_work(open_worker);
break;
case SMD_EVENT_CLOSE:
BT_INFO("Closing HCI-SMD channel :%s", EVENT_CHANNEL);
hci_smd_close(hdev);
reset_worker = kzalloc(sizeof(*reset_worker), GFP_ATOMIC);
if (!reset_worker) {
BT_ERR("Out of memory");
break;
}
INIT_WORK(reset_worker, hci_dev_restart);
schedule_work(reset_worker);
break;
default:
break;
}
}
static void hci_smd_notify_cmd(void *data, unsigned int event)
{
struct hci_dev *hdev = ((struct hci_smd_data *)data)->hdev;
if (!hdev) {
BT_ERR("Frame for unknown HCI device (hdev=NULL)");
return;
}
switch (event) {
case SMD_EVENT_DATA:
hci_smd_recv_frame(hdev, BT_CMD);
break;
case SMD_EVENT_OPEN:
hci_smd_open(hdev);
break;
case SMD_EVENT_CLOSE:
hci_smd_close(hdev);
break;
default:
break;
}
}