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/*
* Copyright 2019,2020 NXP
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef _DPU_CRC_H_
#define _DPU_CRC_H_
#include "dpu-crtc.h"
enum {
DPU_DUAL_CRC_FLAG_DUAL,
DPU_DUAL_CRC_FLAG_LEFT,
DPU_DUAL_CRC_FLAG_RIGHT,
DPU_DUAL_CRC_FLAG_ERR_NONE,
};
static inline bool to_enable_dpu_crc(struct dpu_crtc_state *new_dcstate,
struct dpu_crtc_state *old_dcstate)
{
return old_dcstate->crc.source == DPU_CRC_SRC_NONE &&
new_dcstate->crc.source != DPU_CRC_SRC_NONE;
}
static inline bool to_disable_dpu_crc(struct dpu_crtc_state *new_dcstate,
struct dpu_crtc_state *old_dcstate)
{
return old_dcstate->crc.source != DPU_CRC_SRC_NONE &&
new_dcstate->crc.source == DPU_CRC_SRC_NONE;
}
static inline void dpu_copy_roi(struct drm_rect *from, struct drm_rect *to)
{
to->x1 = from->x1;
to->y1 = from->y1;
to->x2 = from->x2;
to->y2 = from->y2;
}
#ifdef CONFIG_DEBUG_FS
int dpu_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
size_t *values_cnt);
int dpu_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name);
irqreturn_t dpu_crc_valid_irq_threaded_handler(int irq, void *dev_id);
void dpu_crtc_enable_crc_source(struct drm_crtc *crtc,
enum dpu_crc_source source,
struct drm_rect *roi);
void dpu_crtc_disable_crc_source(struct drm_crtc *crtc, bool dual_crc);
#else
#define dpu_crtc_verify_crc_source NULL
#define dpu_crtc_set_crc_source NULL
irqreturn_t dpu_crc_valid_irq_threaded_handler(int irq, void *dev_id)
{
return IRQ_HANDLED;
}
void dpu_crtc_enable_crc_source(struct drm_crtc *crtc,
enum dpu_crc_source source,
struct drm_rect *roi)
{
}
void dpu_crtc_disable_crc_source(struct drm_crtc *crtc, bool dual_crc)
{
}
#endif
#endif
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