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// SPDX-License-Identifier: GPL-2.0
/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*/
#include <assert_support.h>
#include <ia_css_frame_public.h>
#include <ia_css_frame.h>
#include <ia_css_binary.h>
#define IA_CSS_INCLUDE_CONFIGURATIONS
#include "ia_css_isp_configs.h"
#include "isp.h"
#include "ia_css_ref.host.h"
int ia_css_ref_config(struct sh_css_isp_ref_isp_config *to,
const struct ia_css_ref_configuration *from,
unsigned int size)
{
unsigned int elems_a = ISP_VEC_NELEMS, i;
int ret;
if (from->ref_frames[0]) {
ret = ia_css_dma_configure_from_info(&to->port_b, &from->ref_frames[0]->info);
if (ret)
return ret;
to->width_a_over_b = elems_a / to->port_b.elems;
to->dvs_frame_delay = from->dvs_frame_delay;
} else {
to->width_a_over_b = 1;
to->dvs_frame_delay = 0;
to->port_b.elems = elems_a;
}
for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) {
if (from->ref_frames[i]) {
to->ref_frame_addr_y[i] = from->ref_frames[i]->data +
from->ref_frames[i]->planes.yuv.y.offset;
to->ref_frame_addr_c[i] = from->ref_frames[i]->data +
from->ref_frames[i]->planes.yuv.u.offset;
} else {
to->ref_frame_addr_y[i] = 0;
to->ref_frame_addr_c[i] = 0;
}
}
/* Assume divisiblity here, may need to generalize to fixed point. */
if (elems_a % to->port_b.elems != 0)
return -EINVAL;
return 0;
}
int ia_css_ref_configure(const struct ia_css_binary *binary,
const struct ia_css_frame * const *ref_frames,
const uint32_t dvs_frame_delay)
{
struct ia_css_ref_configuration config;
unsigned int i;
for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++)
config.ref_frames[i] = ref_frames[i];
config.dvs_frame_delay = dvs_frame_delay;
return ia_css_configure_ref(binary, &config);
}
void
ia_css_init_ref_state(
struct sh_css_isp_ref_dmem_state *state,
unsigned int size)
{
(void)size;
assert(MAX_NUM_VIDEO_DELAY_FRAMES >= 2);
state->ref_in_buf_idx = 0;
state->ref_out_buf_idx = 1;
}
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