From: phc <phc@rk29>
Date: Mon, 25 Apr 2011 09:19:26 +0000 (+0800)
Subject: RKMobileSDK:add reset ioctl for 23d
X-Git-Tag: firefly_0821_release~10418
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3d91347adc7735034c71ad5a177b533df7b9866c;p=firefly-linux-kernel-4.4.55.git

RKMobileSDK:add reset ioctl for 23d
---

diff --git a/drivers/misc/mtk23d.c b/drivers/misc/mtk23d.c
index 2faa0ab859a7..aa54011023e2 100755
--- a/drivers/misc/mtk23d.c
+++ b/drivers/misc/mtk23d.c
@@ -160,7 +160,21 @@ static int mtk23d_release(struct inode *inode, struct file *file)
 
 static int mtk23d_ioctl(struct inode *inode,struct file *file, unsigned int cmd, unsigned long arg)
 {
-	MODEMDBG("mtk23d_ioctl\n");
+	struct rk2818_23d_data *pdata = gpdata;
+	
+	MODEMDBG("mtk23d_ioctl, cmd = %d\n", cmd);
+	
+	if(cmd == MODEM_RESET)
+	{
+		gpio_direction_output(pdata->bp_reset, pdata->bp_reset_active_low? GPIO_LOW:GPIO_HIGH);
+		mdelay(100);
+		gpio_set_value(pdata->bp_reset, pdata->bp_reset_active_low? GPIO_HIGH:GPIO_LOW);
+		mdelay(10);
+		gpio_direction_output(pdata->bp_power, pdata->bp_power_active_low? GPIO_LOW:GPIO_HIGH);
+		mdelay(2000);
+		gpio_set_value(pdata->bp_power, pdata->bp_power_active_low? GPIO_HIGH:GPIO_LOW);
+	}
+	
 	return 0;
 }
 
diff --git a/include/linux/mtk23d.h b/include/linux/mtk23d.h
old mode 100644
new mode 100755
index 6be28a66497d..144c15f07b7e
--- a/include/linux/mtk23d.h
+++ b/include/linux/mtk23d.h
@@ -1,6 +1,10 @@
 #include <linux/types.h>
 #include <linux/ioctl.h>
 #include <linux/miscdevice.h>
+                             
+#define MODEM_POWER_START 0x3
+#define MODEM_POWER_END  0x2
+#define MODEM_RESET      0x1
 
 struct modem_dev
 {