custom vibrator implementation

ueventd.smdkv310.rc

@@ -31,7 +31,7 @@
 
 # for gps
 /dev/s3c2410_serial1 0660 root system
-/dev/tspdrv 0660 shell shell
+/dev/tspdrv 0660 system system
 
 # for MTP
 /dev/usb_mtp_gadget 0660 system system

vibrator/tspdrv.c

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2011 CyanogenMod Project
+ * Copyright (C) 2011 Daniel Hillenbrand
+ *
+ * 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 <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "tspdrv"
+#include <utils/Log.h>
+
+#include "tspdrv.h"
+
+int sendit(int timeout_ms)
+{
+    int nwr, ret, fd, tspd, tspret;
+    char value[20];
+
+    tspd = open(TSPDRV_DEVICE, O_RDWR);
+    if(tspd < 0)
+        LOGE("failed on opening /dev/tspdrv");
+
+    /* send tspdrv magic number */
+    tspret = ioctl(tspd, TSPDRV_MAGIC_NUMBER);
+    if(tspret != 0)
+        LOGE("TSPDRV_MAGIC_NUMBER error");
+
+    /* enable tspdrv amp */
+    tspret = ioctl(tspd, TSPDRV_ENABLE_AMP);
+    if(tspret != 0)
+        LOGE("failed on enabling AMP");
+
+    close(tspd);
+
+    fd = open(THE_DEVICE, O_RDWR);
+    if(fd < 0)
+        return errno;
+
+    nwr = sprintf(value, "%d\n", timeout_ms);
+    ret = write(fd, value, nwr);
+
+    close(fd);
+
+    return (ret == nwr) ? 0 : -1;
+}

vibrator/tspdrv.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2011 CyanogenMod Project
+ * Copyright (C) 2011 Daniel Hillenbrand
+ *
+ * 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.
+ */
+
+#ifndef __TSPDRV_H
+#define __TSPDRV_H __FILE__
+
+#define THE_DEVICE					"/sys/class/timed_output/vibrator/enable"
+#define TSPDRV_DEVICE				"/dev/tspdrv"
+
+#define TSPDRV_MAGIC_NUMBER			0x494D4D52
+#define TSPDRV_STOP_KERNEL_TIMER 	_IO(TSPDRV_MAGIC_NUMBER & 0xFF, 1)
+#define TSPDRV_ENABLE_AMP			_IO(TSPDRV_MAGIC_NUMBER & 0xFF, 3)
+#define TSPDRV_DISABLE_AMP			_IO(TSPDRV_MAGIC_NUMBER & 0xFF, 4)
+#define TSPDRV_GET_NUM_ACTUATORS 	_IO(TSPDRV_MAGIC_NUMBER & 0xFF, 5)
+
+#endif /* __TSPDRV_H */