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authorEric Nelson <eric.nelson@boundarydevices.com>2012-09-23 07:30:54 +0000
committerStefano Babic <sbabic@denx.de>2012-09-24 10:48:19 +0200
commit5f8e17ce158894b46acb25b975c579fae2350523 (patch)
tree3148c340ae3d6b8c1c34c618e4084cfbc5da0ebf /drivers/video
parent5436eaeab9155633fd858e0a6b876d1077348d94 (diff)
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i.MX: mxc_ipuv3_fb: add ipuv3_fb_shutdown() routine to stop IPU frame buffer
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com> Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/mxc_ipuv3_fb.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/video/mxc_ipuv3_fb.c b/drivers/video/mxc_ipuv3_fb.c
index c38e22d..47b336e 100644
--- a/drivers/video/mxc_ipuv3_fb.c
+++ b/drivers/video/mxc_ipuv3_fb.c
@@ -38,6 +38,7 @@
#include "videomodes.h"
#include "ipu.h"
#include "mxcfb.h"
+#include "ipu_regs.h"
static int mxcfb_map_video_memory(struct fb_info *fbi);
static int mxcfb_unmap_video_memory(struct fb_info *fbi);
@@ -576,6 +577,25 @@ err0:
return ret;
}
+void ipuv3_fb_shutdown(void)
+{
+ int i;
+ struct ipu_stat *stat = (struct ipu_stat *)IPU_STAT;
+
+ for (i = 0; i < ARRAY_SIZE(mxcfb_info); i++) {
+ struct fb_info *fbi = mxcfb_info[i];
+ if (fbi) {
+ struct mxcfb_info *mxc_fbi = fbi->par;
+ ipu_disable_channel(mxc_fbi->ipu_ch);
+ ipu_uninit_channel(mxc_fbi->ipu_ch);
+ }
+ }
+ for (i = 0; i < ARRAY_SIZE(stat->int_stat); i++) {
+ __raw_writel(__raw_readl(&stat->int_stat[i]),
+ &stat->int_stat[i]);
+ }
+}
+
void *video_hw_init(void)
{
int ret;