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path: root/drivers/staging/media/atomisp/pci/isp/kernels/sc/sc_1.0/ia_css_sc.host.c
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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_types.h"
#include "sh_css_defs.h"
#include "ia_css_debug.h"
#include "assert_support.h"

#define IA_CSS_INCLUDE_CONFIGURATIONS
#include "ia_css_isp_configs.h"

#include "ia_css_sc.host.h"

/* Code generated by genparam/genconfig.c:gen_configure_function() */

/* ISP2401 */
static void
ia_css_configure_sc(
    const struct ia_css_binary *binary,
    const struct ia_css_sc_configuration *config_dmem)
{
	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
			    "ia_css_configure_sc() enter:\n");

	{
		unsigned int offset = 0;
		unsigned int size   = 0;

		if (binary->info->mem_offsets.offsets.config) {
			size   = binary->info->mem_offsets.offsets.config->dmem.sc.size;
			offset = binary->info->mem_offsets.offsets.config->dmem.sc.offset;
		}
		if (size) {
			ia_css_sc_config((struct sh_css_isp_sc_isp_config *)
					 &binary->mem_params.params[IA_CSS_PARAM_CLASS_CONFIG][IA_CSS_ISP_DMEM].address[offset],
					 config_dmem, size);
		}
	}
	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
			    "ia_css_configure_sc() leave:\n");
}

void
ia_css_sc_encode(
    struct sh_css_isp_sc_params *to,
    struct ia_css_shading_table **from,
    unsigned int size)
{
	(void)size;
	to->gain_shift = (*from)->fraction_bits;
}

void
ia_css_sc_dump(
    const struct sh_css_isp_sc_params *sc,
    unsigned int level)
{
	if (!sc) return;
	ia_css_debug_dtrace(level, "Shading Correction:\n");
	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
			    "sc_gain_shift", sc->gain_shift);
}

/* ISP2401 */
void
ia_css_sc_config(
    struct sh_css_isp_sc_isp_config *to,
    const struct ia_css_sc_configuration *from,
    unsigned int size)
{
	u32 internal_org_x_bqs = from->internal_frame_origin_x_bqs_on_sctbl;
	u32 internal_org_y_bqs = from->internal_frame_origin_y_bqs_on_sctbl;
	u32 slice, rest, i;

	(void)size;

	/* The internal_frame_origin_x_bqs_on_sctbl is separated to 8 times of slice_vec. */
	rest = internal_org_x_bqs;
	for (i = 0; i < SH_CSS_SC_INTERPED_GAIN_HOR_SLICE_TIMES; i++) {
		slice = min(rest, ((uint32_t)ISP_SLICE_NELEMS));
		rest = rest - slice;
		to->interped_gain_hor_slice_bqs[i] = slice;
	}

	to->internal_frame_origin_y_bqs_on_sctbl = internal_org_y_bqs;
}

/* ISP2401 */
void
ia_css_sc_configure(
    const struct ia_css_binary *binary,
    u32 internal_frame_origin_x_bqs_on_sctbl,
    uint32_t internal_frame_origin_y_bqs_on_sctbl)
{
	const struct ia_css_sc_configuration config = {
		internal_frame_origin_x_bqs_on_sctbl,
		internal_frame_origin_y_bqs_on_sctbl
	};

	ia_css_configure_sc(binary, &config);
}

/* ------ deprecated(bz675) : from ------ */
/* It looks like @parameter{} (in *.pipe) is used to generate the process/get/set functions,
   for parameters which should be used in the isp kernels.
   However, the ia_css_shading_settings structure has a parameter which is used only in the css,
   and does not have a parameter which is used in the isp kernels.
   Then, I did not use @parameter{} to generate the get/set function
   for the ia_css_shading_settings structure. (michie) */
void
sh_css_get_shading_settings(const struct ia_css_isp_parameters *params,
			    struct ia_css_shading_settings *settings)
{
	if (!settings)
		return;
	assert(params);

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
			    "ia_css_get_shading_settings() enter: settings=%p\n", settings);

	*settings = params->shading_settings;

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
			    "ia_css_get_shading_settings() leave: settings.enable_shading_table_conversion=%d\n",
			    settings->enable_shading_table_conversion);
}

void
sh_css_set_shading_settings(struct ia_css_isp_parameters *params,
			    const struct ia_css_shading_settings *settings)
{
	if (!settings)
		return;
	assert(params);

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
			    "ia_css_set_shading_settings() enter: settings.enable_shading_table_conversion=%d\n",
			    settings->enable_shading_table_conversion);

	params->shading_settings = *settings;
	params->shading_settings_changed = true;

	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
			    "ia_css_set_shading_settings() leave: return_void\n");
}

/* ------ deprecated(bz675) : to ------ */