crtc.h
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/*
* Copyright (C) 2014 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#ifndef __CRTC__
#define __CRTC__
enum crtc {
CRTC_IPU_DI0,
CRTC_IPU_DI1,
CRTC_IPU1_DI0,
CRTC_IPU1_DI1,
CRTC_IPU2_DI0,
CRTC_IPU2_DI1,
CRTC_LCDIF,
CRTC_LCDIF1,
CRTC_LCDIF2,
CRTC_MAX,
};
struct ipu_di_crtc_map {
enum crtc crtc;
int ipu_id;
int ipu_di;
};
static const struct ipu_di_crtc_map ipu_di_crtc_maps[] = {
{CRTC_IPU1_DI0, 0 , 0}, {CRTC_IPU1_DI1, 0 , 1},
{CRTC_IPU2_DI0, 1 , 0}, {CRTC_IPU2_DI1, 1 , 1},
};
static inline int ipu_di_to_crtc(struct device *dev, int ipu_id,
int ipu_di, enum crtc *crtc)
{
int i = 0;
for (; i < ARRAY_SIZE(ipu_di_crtc_maps); i++)
if (ipu_di_crtc_maps[i].ipu_id == ipu_id &&
ipu_di_crtc_maps[i].ipu_di == ipu_di) {
*crtc = ipu_di_crtc_maps[i].crtc;
return 0;
}
dev_err(dev, "failed to get valid ipu di crtc "
"ipu_id %d, ipu_di %d\n", ipu_id, ipu_di);
return -EINVAL;
}
#endif