From: huangdesheng <hds@rock-chips.com>
Date: Thu, 5 Jul 2012 09:47:06 +0000 (+0800)
Subject: add rga version
X-Git-Tag: firefly_0821_release~9042
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6c68734667b4818e10ecc7fde5fd1e9dc44f19ca;p=firefly-linux-kernel-4.4.55.git

add rga version
---

diff --git a/drivers/video/rockchip/rga/rga.h b/drivers/video/rockchip/rga/rga.h
index 5a1a72ad4e16..9b30f05045fb 100755
--- a/drivers/video/rockchip/rga/rga.h
+++ b/drivers/video/rockchip/rga/rga.h
@@ -7,6 +7,7 @@
 #define RGA_BLIT_ASYNC  0x5018
 #define RGA_FLUSH       0x5019
 #define RGA_GET_RESULT  0x501a
+#define RGA_GET_VERSION 0x501b
 
 
 #define RGA_REG_CTRL_LEN    0x8    /* 8  */
diff --git a/drivers/video/rockchip/rga/rga_drv.c b/drivers/video/rockchip/rga/rga_drv.c
index 0474d2da293f..74b810df0e54 100755
--- a/drivers/video/rockchip/rga/rga_drv.c
+++ b/drivers/video/rockchip/rga/rga_drv.c
@@ -68,6 +68,8 @@
 #define DRIVER_DESC		"RGA Device Driver"
 #define DRIVER_NAME		"rga"
 
+#define RGA_VERSION   "1.000"
+
 ktime_t rga_start;
 ktime_t rga_end;
 
@@ -954,6 +956,10 @@ static long rga_ioctl(struct file *file, uint32_t cmd, unsigned long arg)
 			break;
         case RGA_GET_RESULT:
             ret = rga_get_result(session, arg);
+        case RGA_GET_VERSION:
+            ret = copy_to_user((void *)arg, RGA_VERSION, sizeof(RGA_VERSION));
+            //ret = 0;
+            break;
 		default:
 			ERR("unknown ioctl cmd!\n");
 			ret = -EINVAL;