first commit

2 files changed, 89 insertions, 0 deletions

diff --git a/drivers/misc/mediatek/evdo_support/Makefile b/drivers/misc/mediatek/evdo_support/Makefile
new file mode 100644
index 000000000..2e74de8e2
--- /dev/null
+++ b/drivers/misc/mediatek/evdo_support/Makefile
@@ -0,0 +1 @@
+obj-y +=  mtk_evdo_host_interface.o
diff --git a/drivers/misc/mediatek/evdo_support/mtk_evdo_host_interface.c b/drivers/misc/mediatek/evdo_support/mtk_evdo_host_interface.c
new file mode 100644
index 000000000..cc26eabb1
--- /dev/null
+++ b/drivers/misc/mediatek/evdo_support/mtk_evdo_host_interface.c
@@ -0,0 +1,88 @@
+#include <linux/proc_fs.h>
+#include <linux/uaccess.h>
+
+#if 0
+/* declare function prototype */
+#endif
+
+#define CMD_LEN 10
+static char myCmdBuf[CMD_LEN];
+
+void evdo_host_wakeup(void)
+{
+#if 0
+	/* call correct wake up func here */
+#endif
+}
+
+ssize_t evdo_host_reset_proc_read(struct file *file_ptr, char __user *user_buffer, size_t count,
+				  loff_t *position)
+{
+	printk(KERN_WARNING "count : %d, position : %d\n", count, (unsigned int)*position);
+
+	if (*position >= CMD_LEN)
+		return 0;
+
+	if (*position + count > CMD_LEN)
+		count = CMD_LEN - *position;
+
+	if (copy_to_user(user_buffer, myCmdBuf, count) != 0) {
+		return -EFAULT;
+	}
+
+	*position += count;
+	return count;
+}
+
+ssize_t evdo_host_reset_proc_write(struct file *file_ptr, const char __user *user_buffer,
+				   size_t count, loff_t *position)
+{
+	int ret = copy_from_user((char *)myCmdBuf, user_buffer, count);
+
+	myCmdBuf[count] = '\0';
+	printk(KERN_WARNING "%s(), myCmdBuf : %s\n", __func__, myCmdBuf);
+
+	if (ret != 0) {
+		return -EFAULT;
+	}
+
+	/*
+	   do things here
+	 */
+
+	return count;
+}
+
+struct file_operations evdo_host_reset_proc_fops = {
+	.read = evdo_host_reset_proc_read,
+	.write = evdo_host_reset_proc_write
+};
+
+static int __init mtk_evdo_host_interface_init(void)
+{
+	/* temporaily obsoleted */
+/*
+	struct proc_dir_entry *prEntry;
+	printk(KERN_WARNING "mtk_evdo_host_interface_init\n");
+
+	prEntry = proc_create("EVDO_HOST_RESET", 0660, 0, &evdo_host_reset_proc_fops);
+	if (prEntry)
+	{
+		printk(KERN_WARNING "add /proc/EVDO_HOST_RESET ok\n");
+	}
+	else
+	{
+		printk(KERN_WARNING "add /proc/EVDO_HOST_RESET fail\n");
+	}
+*/
+
+	return 0;
+}
+
+static void __exit mtk_evdo_host_interface_exit(void)
+{
+	printk(KERN_WARNING "mtk_evdo_host_interface_exit\n");
+
+}
+module_init(mtk_evdo_host_interface_init);
+module_exit(mtk_evdo_host_interface_exit);