1 files changed, 151 insertions, 0 deletions
diff --git a/mtk/libbt-vendor-mtk/libbt-vendor-mtk.c b/mtk/libbt-vendor-mtk/libbt-vendor-mtk.c
new file mode 100644
index 0000000..87f4c08
--- /dev/null
+++ b/mtk/libbt-vendor-mtk/libbt-vendor-mtk.c
@@ -0,0 +1,151 @@
+#define LOG_TAG "libbt_vendor_mtk"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <dlfcn.h>
+#include <utils/Log.h>
+#include <pthread.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <bt_vendor_lib.h>
+#include <bt_hci_lib.h>
+#include <bt_hci_bdroid.h>
+
+/**
+ * TODO: check/fix this value. does this make sense for MTK? It is taken from TI
+ * Low power mode: default transport idle timer
+ */
+#define WL_DEFAULT_LPM_IDLE_TIMEOUT 200
+
+static void *mtklib_handle = NULL;
+typedef int (*ENABLE)(int flag, void *func_cb);
+typedef int (*DISABLE)(int bt_fd);
+
+unsigned int hci_tty_fd = -1;
+
+ENABLE mtk_bt_enable = NULL;
+DISABLE mtk_bt_disable = NULL;
+
+bt_vendor_callbacks_t *bt_vendor_cbacks = NULL;
+void hw_config_cback(HC_BT_HDR *p_evt_buf);
+
+/*******************************************************************************
+ *
+ * Function         hw_config_cback
+ *
+ * Description      Callback function for controller configuration
+ *
+ * Returns          None
+ *
+ * *******************************************************************************/
+void hw_config_cback(HC_BT_HDR *p_evt_buf)
+{
+  ALOGI("hw_config_cback");
+}
+
+int mtk_init(const bt_vendor_callbacks_t* p_cb, unsigned char *local_bdaddr) {
+  const char *dlerrors;
+
+  ALOGI("libbt-vendor init for MTK blob");
+
+  if (p_cb == NULL)
+    {
+      ALOGE("init failed with no user callbacks!");
+      return BT_HC_STATUS_FAIL;
+    }
+
+  bt_vendor_cbacks = (bt_vendor_callbacks_t *) p_cb;
+
+  dlerror();
+
+  mtklib_handle = dlopen("libbluetoothdrv.so", RTLD_LAZY);
+ 
+  mtk_bt_enable = dlsym(mtklib_handle, "mtk_bt_enable");
+  mtk_bt_disable = dlsym(mtklib_handle, "mtk_bt_disable");
+
+  if ((dlerrors = dlerror()) != NULL){
+    ALOGE("Errors while opening symbols from mtk blob");
+    dlclose(mtklib_handle);
+  }
+  return 0;
+}
+
+void mtk_cleanup(void) {
+  ALOGI("vendor cleanup");
+  bt_vendor_cbacks = NULL;
+
+  if (mtklib_handle) {
+    dlclose(mtklib_handle);
+  }
+}
+
+int mtk_open(void **param) {
+  int (*fd_array)[] = (int (*)[]) param;
+  int fd, idx;
+  fd = mtk_bt_enable(0, NULL);
+  if (fd < 0) {
+    ALOGE("Can't open mtk fd");
+    return -1;
+  }
+  for (idx = 0; idx < CH_MAX; idx++)
+    (*fd_array)[idx] = fd;
+
+  hci_tty_fd = fd; /* for userial_close op */
+  return 1;  /* CMD/EVT/ACL on same fd */
+}
+
+int mtk_close() {
+  if (hci_tty_fd == (unsigned int) -1)
+    return -1;
+  return mtk_bt_disable(hci_tty_fd);
+}
+
+int mtk_op(bt_vendor_opcode_t opcode, void **param) {
+  int ret = 0;
+
+  switch(opcode)
+    {
+    case BT_VND_OP_POWER_CTRL:
+      break;
+    case BT_VND_OP_SCO_CFG:
+      break;
+    case BT_VND_OP_GET_LPM_IDLE_TIMEOUT:
+      *((uint32_t *) param) = WL_DEFAULT_LPM_IDLE_TIMEOUT;
+      break;
+    case BT_VND_OP_LPM_SET_MODE:
+      break;
+    case BT_VND_OP_LPM_WAKE_SET_STATE:
+      break;
+    case BT_VND_OP_USERIAL_OPEN:
+      ret = mtk_open(param);
+      break;
+    case BT_VND_OP_USERIAL_CLOSE:
+      ret = mtk_close();
+      break;
+      /* Since new stack expects fwcfg_cb we are returning SUCCESS here
+       * in actual, firmware download is already happened when /dev/hci_tty
+       * opened.
+       */
+    case BT_VND_OP_FW_CFG:
+      bt_vendor_cbacks->fwcfg_cb(BT_VND_OP_RESULT_SUCCESS);
+      break;
+    case BT_VND_OP_EPILOG:
+      bt_vendor_cbacks->epilog_cb(BT_VND_OP_RESULT_SUCCESS);
+      break;
+    default:
+      ALOGW("Unknown opcode: %d", opcode);
+      break;
+    }
+
+  return ret;
+}
+const bt_vendor_interface_t BLUETOOTH_VENDOR_LIB_INTERFACE  = {
+  .init = mtk_init,
+  .op = mtk_op,
+  .cleanup = mtk_cleanup,
+};
+
+int main()
+{
+  return 0;
+}