Add libbt-vendor for Marvell BT USB char driver

Change-Id: Idee328cd4aa010dbb69d2e2d8d600c0f6b67149b
Signed-off-by: Toshi Kikuchi <toshik@google.com>

3 files changed, 161 insertions, 0 deletions

diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..d34dc85
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1 @@
+include $(call all-named-subdir-makefiles,libbt-vendor)
diff --git a/libbt-vendor/Android.mk b/libbt-vendor/Android.mk
new file mode 100644
index 0000000..86f17bb
--- /dev/null
+++ b/libbt-vendor/Android.mk
@@ -0,0 +1,22 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+BDROID_DIR := $(TOP_DIR)external/bluetooth/bluedroid
+
+LOCAL_SRC_FILES := \
+	bt_vendor_mrvl.c
+
+LOCAL_C_INCLUDES += \
+        $(BDROID_DIR)/hci/include
+
+LOCAL_SHARED_LIBRARIES := \
+        libcutils
+
+LOCAL_MODULE := libbt-vendor
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_CLASS := SHARED_LIBRARIES
+LOCAL_MODULE_OWNER := marvell
+LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR_SHARED_LIBRARIES)
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/libbt-vendor/bt_vendor_mrvl.c b/libbt-vendor/bt_vendor_mrvl.c
new file mode 100644
index 0000000..93664cc
--- /dev/null
+++ b/libbt-vendor/bt_vendor_mrvl.c
@@ -0,0 +1,138 @@
+/******************************************************************************
+ *
+ *  Copyright (C) 2012 Marvell International Ltd.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at:
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ ******************************************************************************/
+
+#include <time.h>
+#include <errno.h>
+#include <sched.h>
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/select.h>
+#include <sys/mman.h>
+#include <pthread.h>
+#include "bt_vendor_lib.h"
+
+/* ioctl command to release the read thread before driver close */
+#define MBTCHAR_IOCTL_RELEASE _IO  ('M',1)
+
+#define VERSION "M001"
+
+static bt_vendor_callbacks_t *vnd_cb = NULL;
+
+static unsigned char bdaddr[6];
+
+static char mchar_port[] = "/dev/mbtchar0";
+
+static int mchar_fd = -1;
+
+int bt_vnd_mrvl_if_init(const bt_vendor_callbacks_t* p_cb, unsigned char *local_bdaddr)
+{
+    vnd_cb = p_cb;
+    memcpy(bdaddr, local_bdaddr, sizeof(bdaddr));
+    return 0;
+}
+
+int bt_vnd_mrvl_if_op(bt_vendor_opcode_t opcode, void *param)
+{
+    int ret = 0;
+    int power_state;
+    int local_st = 0;
+
+    switch (opcode) {
+    case BT_VND_OP_POWER_CTRL:
+        power_state = (int *)param;
+        if (BT_VND_PWR_OFF == power_state) {
+        } else if (BT_VND_PWR_ON == power_state) {
+        } else {
+            ret = -1;
+        }
+        break;
+    case BT_VND_OP_FW_CFG:
+        // TODO: Perform any vendor specific initialization or configuration on the BT Controller
+        // ret = xxx
+        if (vnd_cb) {
+            vnd_cb->fwcfg_cb(ret);
+        }
+        break;
+    case BT_VND_OP_SCO_CFG:
+        // TODO:  Perform any vendor specific SCO/PCM configuration on the BT Controller.
+        // ret = xxx
+        if (vnd_cb) {
+            vnd_cb->scocfg_cb(ret);
+        }
+        break;
+    case BT_VND_OP_USERIAL_OPEN:
+        mchar_fd = open(mchar_port, O_RDWR|O_NOCTTY);
+        if (mchar_fd < 0) {
+            ret = -1;
+        } else {
+            ret = 1;
+        }
+        ((int *)param)[0] = mchar_fd;
+        break;
+    case BT_VND_OP_USERIAL_CLOSE:
+        if (mchar_fd < 0) {
+            ret = -1;
+        } else {
+            /* mbtchar port is blocked on read. Release the port before we close it */
+            ioctl(mchar_fd,MBTCHAR_IOCTL_RELEASE,&local_st);
+            /* Give it sometime before we close the mbtchar */
+            usleep(1000);
+            if (close(mchar_fd) < 0) {
+                ret = -1;
+            } else {
+                mchar_fd = -1; /* closed successfully */
+            }
+        }
+        break;
+    case BT_VND_OP_GET_LPM_IDLE_TIMEOUT:
+        break;
+    case BT_VND_OP_LPM_SET_MODE:
+        // TODO: Enable or disable LPM mode on BT Controller.
+        // ret = xx;
+        if (vnd_cb) {
+            vnd_cb->lpm_cb(ret);
+        }
+        break;
+    case BT_VND_OP_LPM_WAKE_SET_STATE:
+        break;
+    default:
+        ret = -1;
+        break;
+    }
+    return ret;
+}
+
+void bt_vnd_mrvl_if_cleanup(void)
+{
+    return;
+}
+
+const bt_vendor_interface_t BLUETOOTH_VENDOR_LIB_INTERFACE = {
+    sizeof(bt_vendor_interface_t),
+    bt_vnd_mrvl_if_init,
+    bt_vnd_mrvl_if_op,
+    bt_vnd_mrvl_if_cleanup,
+};
+