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/*
* 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 "ia_css_util.h"
#include <ia_css_frame.h>
#include <assert_support.h>
#include <math_support.h>
/* for ia_css_binary_max_vf_width() */
#include "ia_css_binary.h"
enum ia_css_err ia_css_convert_errno(
int in_err)
{
enum ia_css_err out_err;
switch (in_err) {
case 0:
out_err = IA_CSS_SUCCESS;
break;
case EINVAL:
out_err = IA_CSS_ERR_INVALID_ARGUMENTS;
break;
case ENODATA:
out_err = IA_CSS_ERR_QUEUE_IS_EMPTY;
break;
case ENOSYS:
case ENOTSUP:
out_err = IA_CSS_ERR_INTERNAL_ERROR;
break;
case ENOBUFS:
out_err = IA_CSS_ERR_QUEUE_IS_FULL;
break;
default:
out_err = IA_CSS_ERR_INTERNAL_ERROR;
break;
}
return out_err;
}
/* MW: Table look-up ??? */
unsigned int ia_css_util_input_format_bpp(
enum atomisp_input_format format,
bool two_ppc)
{
unsigned int rval = 0;
switch (format) {
case ATOMISP_INPUT_FORMAT_YUV420_8_LEGACY:
case ATOMISP_INPUT_FORMAT_YUV420_8:
case ATOMISP_INPUT_FORMAT_YUV422_8:
case ATOMISP_INPUT_FORMAT_RGB_888:
case ATOMISP_INPUT_FORMAT_RAW_8:
case ATOMISP_INPUT_FORMAT_BINARY_8:
case ATOMISP_INPUT_FORMAT_EMBEDDED:
rval = 8;
break;
case ATOMISP_INPUT_FORMAT_YUV420_10:
case ATOMISP_INPUT_FORMAT_YUV422_10:
case ATOMISP_INPUT_FORMAT_RAW_10:
rval = 10;
break;
case ATOMISP_INPUT_FORMAT_YUV420_16:
case ATOMISP_INPUT_FORMAT_YUV422_16:
rval = 16;
break;
case ATOMISP_INPUT_FORMAT_RGB_444:
rval = 4;
break;
case ATOMISP_INPUT_FORMAT_RGB_555:
rval = 5;
break;
case ATOMISP_INPUT_FORMAT_RGB_565:
rval = 65;
break;
case ATOMISP_INPUT_FORMAT_RGB_666:
case ATOMISP_INPUT_FORMAT_RAW_6:
rval = 6;
break;
case ATOMISP_INPUT_FORMAT_RAW_7:
rval = 7;
break;
case ATOMISP_INPUT_FORMAT_RAW_12:
rval = 12;
break;
case ATOMISP_INPUT_FORMAT_RAW_14:
if (two_ppc)
rval = 14;
else
rval = 12;
break;
case ATOMISP_INPUT_FORMAT_RAW_16:
if (two_ppc)
rval = 16;
else
rval = 12;
break;
default:
rval = 0;
break;
}
return rval;
}
enum ia_css_err ia_css_util_check_vf_info(
const struct ia_css_frame_info * const info)
{
enum ia_css_err err;
unsigned int max_vf_width;
assert(info != NULL);
err = ia_css_frame_check_info(info);
if (err != IA_CSS_SUCCESS)
return err;
max_vf_width = ia_css_binary_max_vf_width();
if (max_vf_width != 0 && info->res.width > max_vf_width*2)
return IA_CSS_ERR_INVALID_ARGUMENTS;
return IA_CSS_SUCCESS;
}
enum ia_css_err ia_css_util_check_vf_out_info(
const struct ia_css_frame_info * const out_info,
const struct ia_css_frame_info * const vf_info)
{
enum ia_css_err err;
assert(out_info != NULL);
assert(vf_info != NULL);
err = ia_css_frame_check_info(out_info);
if (err != IA_CSS_SUCCESS)
return err;
err = ia_css_util_check_vf_info(vf_info);
if (err != IA_CSS_SUCCESS)
return err;
return IA_CSS_SUCCESS;
}
enum ia_css_err ia_css_util_check_res(unsigned int width, unsigned int height)
{
/* height can be odd number for jpeg/embedded data from ISYS2401 */
if (((width == 0) ||
(height == 0) ||
IS_ODD(width))) {
return IA_CSS_ERR_INVALID_ARGUMENTS;
}
return IA_CSS_SUCCESS;
}
#ifdef ISP2401
bool ia_css_util_res_leq(struct ia_css_resolution a, struct ia_css_resolution b)
{
return a.width <= b.width && a.height <= b.height;
}
bool ia_css_util_resolution_is_zero(const struct ia_css_resolution resolution)
{
return (resolution.width == 0) || (resolution.height == 0);
}
bool ia_css_util_resolution_is_even(const struct ia_css_resolution resolution)
{
return IS_EVEN(resolution.height) && IS_EVEN(resolution.width);
}
#endif
bool ia_css_util_is_input_format_raw(enum atomisp_input_format format)
{
return ((format == ATOMISP_INPUT_FORMAT_RAW_6) ||
(format == ATOMISP_INPUT_FORMAT_RAW_7) ||
(format == ATOMISP_INPUT_FORMAT_RAW_8) ||
(format == ATOMISP_INPUT_FORMAT_RAW_10) ||
(format == ATOMISP_INPUT_FORMAT_RAW_12));
/* raw_14 and raw_16 are not supported as input formats to the ISP.
* They can only be copied to a frame in memory using the
* copy binary.
*/
}
bool ia_css_util_is_input_format_yuv(enum atomisp_input_format format)
{
return format == ATOMISP_INPUT_FORMAT_YUV420_8_LEGACY ||
format == ATOMISP_INPUT_FORMAT_YUV420_8 ||
format == ATOMISP_INPUT_FORMAT_YUV420_10 ||
format == ATOMISP_INPUT_FORMAT_YUV420_16 ||
format == ATOMISP_INPUT_FORMAT_YUV422_8 ||
format == ATOMISP_INPUT_FORMAT_YUV422_10 ||
format == ATOMISP_INPUT_FORMAT_YUV422_16;
}
enum ia_css_err ia_css_util_check_input(
const struct ia_css_stream_config * const stream_config,
bool must_be_raw,
bool must_be_yuv)
{
assert(stream_config != NULL);
if (stream_config == NULL)
return IA_CSS_ERR_INVALID_ARGUMENTS;
#ifdef IS_ISP_2400_SYSTEM
if (stream_config->input_config.effective_res.width == 0 ||
stream_config->input_config.effective_res.height == 0)
return IA_CSS_ERR_INVALID_ARGUMENTS;
#endif
if (must_be_raw &&
!ia_css_util_is_input_format_raw(stream_config->input_config.format))
return IA_CSS_ERR_INVALID_ARGUMENTS;
if (must_be_yuv &&
!ia_css_util_is_input_format_yuv(stream_config->input_config.format))
return IA_CSS_ERR_INVALID_ARGUMENTS;
return IA_CSS_SUCCESS;
}
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