mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
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50 lines
1.4 KiB
Diff
50 lines
1.4 KiB
Diff
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From 9ca7a0b9b98e41c543bd328469e213b89251d470 Mon Sep 17 00:00:00 2001
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From: Sammy He <r62914@freescale.com>
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Date: Wed, 2 Nov 2011 20:08:42 +0800
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Subject: [PATCH] ENGR00161215-2 vpu: Add ioctls for querying and setting bitwork memory
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Add VPU_IOC_QUERY_BITWORK_MEM and VPU_IOC_SET_BITWORK_MEM ioctls
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implementation for registerring bitwork memory allocated from user
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space to vpu driver.
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Signed-off-by: Sammy He <r62914@freescale.com>
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(cherry picked from commit 98d71e85dbd05df9c866d153a4ead9526a26422e)
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---
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drivers/mxc/vpu/mxc_vpu.c | 20 ++++++++++++++++++++
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1 files changed, 20 insertions(+), 0 deletions(-)
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diff --git a/drivers/mxc/vpu/mxc_vpu.c b/drivers/mxc/vpu/mxc_vpu.c
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index 41bd188..00f164a 100644
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--- a/drivers/mxc/vpu/mxc_vpu.c
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+++ b/drivers/mxc/vpu/mxc_vpu.c
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@@ -446,6 +446,26 @@ static int vpu_ioctl(struct inode *inode, struct file *filp, u_int cmd,
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}
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break;
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}
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+ /*
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+ * The following two ioctl is used when user allocates working buffer
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+ * and register it to vpu driver.
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+ */
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+ case VPU_IOC_QUERY_BITWORK_MEM:
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+ {
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+ if (copy_to_user((void __user *)arg,
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+ &bitwork_mem,
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+ sizeof(struct vpu_mem_desc)))
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+ ret = -EFAULT;
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+ break;
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+ }
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+ case VPU_IOC_SET_BITWORK_MEM:
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+ {
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+ if (copy_from_user(&bitwork_mem,
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+ (struct vpu_mem_desc *)arg,
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+ sizeof(struct vpu_mem_desc)))
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+ ret = -EFAULT;
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+ break;
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+ }
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case VPU_IOC_SYS_SW_RESET:
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{
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if (vpu_plat->reset)
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--
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1.5.4.4
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