diff options
| author | Sammy He <r62914@freescale.com> | 2011-11-02 20:08:42 +0800 |
|---|---|---|
| committer | Xinyu Chen <xinyu.chen@freescale.com> | 2011-11-02 14:45:41 +0800 |
| commit | 687b03c77c72132b6bef72d55bbfec11b75a890e (patch) | |
| tree | d3defe62c6430d569cdc70d693a905a21dd1fff7 /drivers | |
| parent | f8a8948499480bd82cd16509d38ecdfbf85413bf (diff) | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | 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 41bd188ad109..00f164a2af47 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) |