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i.MX: mxc_ipuv3_fb: add ipuv3_fb_shutdown() routine to stop IPU frame buffer

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Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
This commit is contained in:
Eric Nelson 2012-09-23 07:30:54 +00:00 committed by Stefano Babic
parent 5436eaeab9
commit 5f8e17ce15
2 changed files with 21 additions and 0 deletions
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20
drivers/video/mxc_ipuv3_fb.c
View file

@ -38,6 +38,7 @@
#include "videomodes.h" #include "videomodes.h"
#include "ipu.h" #include "ipu.h"
#include "mxcfb.h" #include "mxcfb.h"
#include "ipu_regs.h"
static int mxcfb_map_video_memory(struct fb_info *fbi); static int mxcfb_map_video_memory(struct fb_info *fbi);
static int mxcfb_unmap_video_memory(struct fb_info *fbi); static int mxcfb_unmap_video_memory(struct fb_info *fbi);
@ -576,6 +577,25 @@ err0:
return ret; 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) void *video_hw_init(void)
{ {
int ret; int ret;

1
include/ipu_pixfmt.h
View file

@ -77,5 +77,6 @@
#define IPU_PIX_FMT_YUV422P fourcc('4', '2', '2', 'P') /*< 16 YUV 4:2:2 */ #define IPU_PIX_FMT_YUV422P fourcc('4', '2', '2', 'P') /*< 16 YUV 4:2:2 */
int ipuv3_fb_init(struct fb_videomode *mode, uint8_t disp, uint32_t pixfmt); int ipuv3_fb_init(struct fb_videomode *mode, uint8_t disp, uint32_t pixfmt);
void ipuv3_fb_shutdown(void);
#endif #endif