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From 9ca7a0b9b98e41c543bd328469e213b89251d470 Mon Sep 17 00:00:00 2001
From: Sammy He <r62914@freescale.com>
Date: Wed, 2 Nov 2011 20:08:42 +0800
Subject: [PATCH] ENGR00161215-2 vpu: Add ioctls for querying and setting bitwork memory

Add VPU_IOC_QUERY_BITWORK_MEM and VPU_IOC_SET_BITWORK_MEM ioctls
implementation for registerring bitwork memory allocated from user
space to vpu driver.

Signed-off-by: Sammy He <r62914@freescale.com>
(cherry picked from commit 98d71e85dbd05df9c866d153a4ead9526a26422e)
---
 drivers/mxc/vpu/mxc_vpu.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/drivers/mxc/vpu/mxc_vpu.c b/drivers/mxc/vpu/mxc_vpu.c
index 41bd188..00f164a 100644
--- a/drivers/mxc/vpu/mxc_vpu.c
+++ b/drivers/mxc/vpu/mxc_vpu.c
@@ -446,6 +446,26 @@ static int vpu_ioctl(struct inode *inode, struct file *filp, u_int cmd,
                        }
                        break;
                }
+       /*
+        * The following two ioctl is used when user allocates working buffer
+        * and register it to vpu driver.
+        */
+       case VPU_IOC_QUERY_BITWORK_MEM:
+               {
+                       if (copy_to_user((void __user *)arg,
+                                        &bitwork_mem,
+                                        sizeof(struct vpu_mem_desc)))
+                               ret = -EFAULT;
+                       break;
+               }
+       case VPU_IOC_SET_BITWORK_MEM:
+               {
+                       if (copy_from_user(&bitwork_mem,
+                                          (struct vpu_mem_desc *)arg,
+                                          sizeof(struct vpu_mem_desc)))
+                               ret = -EFAULT;
+                       break;
+               }
        case VPU_IOC_SYS_SW_RESET:
                {
                        if (vpu_plat->reset)
-- 
1.5.4.4