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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_frame_public.h"
#define IA_CSS_INCLUDE_CONFIGURATIONS
#include "ia_css_isp_configs.h"
#include "ia_css_types.h"
#include "ia_css_host_data.h"
#include "sh_css_param_dvs.h"
#include "sh_css_params.h"
#include "ia_css_binary.h"
#include "ia_css_debug.h"
#include "memory_access.h"
#include "assert_support.h"
#include "ia_css_dvs.host.h"
static const struct ia_css_dvs_configuration default_config = {
.info = (struct ia_css_frame_info *)NULL,
};
void
ia_css_dvs_config(
struct sh_css_isp_dvs_isp_config *to,
const struct ia_css_dvs_configuration *from,
unsigned size)
{
(void)size;
to->num_horizontal_blocks =
DVS_NUM_BLOCKS_X(from->info->res.width);
to->num_vertical_blocks =
DVS_NUM_BLOCKS_Y(from->info->res.height);
}
void
ia_css_dvs_configure(
const struct ia_css_binary *binary,
const struct ia_css_frame_info *info)
{
struct ia_css_dvs_configuration config = default_config;
config.info = info;
ia_css_configure_dvs(binary, &config);
}
static void
convert_coords_to_ispparams(
struct ia_css_host_data *gdc_warp_table,
const struct ia_css_dvs_6axis_config *config,
unsigned int i_stride,
unsigned int o_width,
unsigned int o_height,
unsigned int uv_flag)
{
unsigned int i, j;
#ifndef ISP2401
/* Coverity CID 298073 - initialize */
#endif
gdc_warp_param_mem_t s = { 0 };
unsigned int x00, x01, x10, x11,
y00, y01, y10, y11;
unsigned int xmin, ymin, xmax, ymax;
unsigned int topleft_x, topleft_y, bottom_x, bottom_y,
topleft_x_frac, topleft_y_frac;
unsigned int dvs_interp_envelope = (DVS_GDC_INTERP_METHOD == HRT_GDC_BLI_MODE ?
DVS_GDC_BLI_INTERP_ENVELOPE : DVS_GDC_BCI_INTERP_ENVELOPE);
/* number of blocks per height and width */
unsigned int num_blocks_y = (uv_flag ? DVS_NUM_BLOCKS_Y_CHROMA(o_height) : DVS_NUM_BLOCKS_Y(o_height) );
unsigned int num_blocks_x = (uv_flag ? DVS_NUM_BLOCKS_X_CHROMA(o_width) : DVS_NUM_BLOCKS_X(o_width) ); // round num_x up to blockdim_x, if it concerns the Y0Y1 block (uv_flag==0) round up to even
unsigned int in_stride = i_stride * DVS_INPUT_BYTES_PER_PIXEL;
unsigned width, height;
unsigned int *xbuff = NULL;
unsigned int *ybuff = NULL;
struct gdc_warp_param_mem_s *ptr;
assert(config != NULL);
assert(gdc_warp_table != NULL);
assert(gdc_warp_table->address != NULL);
ptr = (struct gdc_warp_param_mem_s *)gdc_warp_table->address;
ptr += (2 * uv_flag); /* format is Y0 Y1 UV, so UV starts at 3rd position */
if(uv_flag == 0)
{
xbuff = config->xcoords_y;
ybuff = config->ycoords_y;
width = config->width_y;
height = config->height_y;
}
else
{
xbuff = config->xcoords_uv;
ybuff = config->ycoords_uv;
width = config->width_uv;
height = config->height_uv;
}
IA_CSS_LOG("blockdim_x %d blockdim_y %d",
DVS_BLOCKDIM_X, DVS_BLOCKDIM_Y_LUMA >> uv_flag);
IA_CSS_LOG("num_blocks_x %d num_blocks_y %d", num_blocks_x,num_blocks_y);
IA_CSS_LOG("width %d height %d", width, height);
assert(width == num_blocks_x + 1); // the width and height of the provided morphing table should be 1 more than the number of blocks
assert(height == num_blocks_y + 1);
for (j = 0; j < num_blocks_y; j++) {
for (i = 0; i < num_blocks_x; i++) {
x00 = xbuff[j * width + i];
x01 = xbuff[j * width + (i+1)];
x10 = xbuff[(j+1) * width + i];
x11 = xbuff[(j+1) * width + (i+1)];
y00 = ybuff[j * width + i];
y01 = ybuff[j * width + (i+1)];
y10 = ybuff[(j+1) * width + i];
y11 = ybuff[(j+1) * width + (i+1)];
xmin = min(x00, x10);
xmax = max(x01, x11);
ymin = min(y00, y01);
ymax = max(y10, y11);
/* Assert that right column's X is greater */
assert ( x01 >= xmin);
assert ( x11 >= xmin);
/* Assert that bottom row's Y is greater */
assert ( y10 >= ymin);
assert ( y11 >= ymin);
topleft_y = ymin >> DVS_COORD_FRAC_BITS;
topleft_x = ((xmin >> DVS_COORD_FRAC_BITS)
>> XMEM_ALIGN_LOG2)
<< (XMEM_ALIGN_LOG2);
s.in_addr_offset = topleft_y * in_stride + topleft_x;
/* similar to topleft_y calculation, but round up if ymax
* has any fraction bits */
bottom_y = CEIL_DIV(ymax, 1 << DVS_COORD_FRAC_BITS);
s.in_block_height = bottom_y - topleft_y + dvs_interp_envelope;
bottom_x = CEIL_DIV(xmax, 1 << DVS_COORD_FRAC_BITS);
s.in_block_width = bottom_x - topleft_x + dvs_interp_envelope;
topleft_x_frac = topleft_x << (DVS_COORD_FRAC_BITS);
topleft_y_frac = topleft_y << (DVS_COORD_FRAC_BITS);
s.p0_x = x00 - topleft_x_frac;
s.p1_x = x01 - topleft_x_frac;
s.p2_x = x10 - topleft_x_frac;
s.p3_x = x11 - topleft_x_frac;
s.p0_y = y00 - topleft_y_frac;
s.p1_y = y01 - topleft_y_frac;
s.p2_y = y10 - topleft_y_frac;
s.p3_y = y11 - topleft_y_frac;
// block should fit within the boundingbox.
assert(s.p0_x < (s.in_block_width << DVS_COORD_FRAC_BITS));
assert(s.p1_x < (s.in_block_width << DVS_COORD_FRAC_BITS));
assert(s.p2_x < (s.in_block_width << DVS_COORD_FRAC_BITS));
assert(s.p3_x < (s.in_block_width << DVS_COORD_FRAC_BITS));
assert(s.p0_y < (s.in_block_height << DVS_COORD_FRAC_BITS));
assert(s.p1_y < (s.in_block_height << DVS_COORD_FRAC_BITS));
assert(s.p2_y < (s.in_block_height << DVS_COORD_FRAC_BITS));
assert(s.p3_y < (s.in_block_height << DVS_COORD_FRAC_BITS));
// block size should be greater than zero.
assert(s.p0_x < s.p1_x);
assert(s.p2_x < s.p3_x);
assert(s.p0_y < s.p2_y);
assert(s.p1_y < s.p3_y);
#if 0
printf("j: %d\ti:%d\n", j, i);
printf("offset: %d\n", s.in_addr_offset);
printf("p0_x: %d\n", s.p0_x);
printf("p0_y: %d\n", s.p0_y);
printf("p1_x: %d\n", s.p1_x);
printf("p1_y: %d\n", s.p1_y);
printf("p2_x: %d\n", s.p2_x);
printf("p2_y: %d\n", s.p2_y);
printf("p3_x: %d\n", s.p3_x);
printf("p3_y: %d\n", s.p3_y);
printf("p0_x_nofrac[0]: %d\n", s.p0_x>>DVS_COORD_FRAC_BITS);
printf("p0_y_nofrac[1]: %d\n", s.p0_y>>DVS_COORD_FRAC_BITS);
printf("p1_x_nofrac[2]: %d\n", s.p1_x>>DVS_COORD_FRAC_BITS);
printf("p1_y_nofrac[3]: %d\n", s.p1_y>>DVS_COORD_FRAC_BITS);
printf("p2_x_nofrac[0]: %d\n", s.p2_x>>DVS_COORD_FRAC_BITS);
printf("p2_y_nofrac[1]: %d\n", s.p2_y>>DVS_COORD_FRAC_BITS);
printf("p3_x_nofrac[2]: %d\n", s.p3_x>>DVS_COORD_FRAC_BITS);
printf("p3_y_nofrac[3]: %d\n", s.p3_y>>DVS_COORD_FRAC_BITS);
printf("\n");
#endif
*ptr = s;
// storage format:
// Y0 Y1 UV0 Y2 Y3 UV1
/* if uv_flag equals true increment with 2 incase x is odd, this to
skip the uv position. */
if (uv_flag)
ptr += 3;
else
ptr += (1 + (i&1));
}
}
}
struct ia_css_host_data *
convert_allocate_dvs_6axis_config(
const struct ia_css_dvs_6axis_config *dvs_6axis_config,
const struct ia_css_binary *binary,
const struct ia_css_frame_info *dvs_in_frame_info)
{
unsigned int i_stride;
unsigned int o_width;
unsigned int o_height;
struct ia_css_host_data *me;
struct gdc_warp_param_mem_s *isp_data_ptr;
assert(binary != NULL);
assert(dvs_6axis_config != NULL);
assert(dvs_in_frame_info != NULL);
me = ia_css_host_data_allocate((size_t)((DVS_6AXIS_BYTES(binary) / 2) * 3));
if (!me)
return NULL;
/*DVS only supports input frame of YUV420 or NV12. Fail for all other cases*/
assert((dvs_in_frame_info->format == IA_CSS_FRAME_FORMAT_NV12)
|| (dvs_in_frame_info->format == IA_CSS_FRAME_FORMAT_YUV420));
isp_data_ptr = (struct gdc_warp_param_mem_s *)me->address;
i_stride = dvs_in_frame_info->padded_width;
o_width = binary->out_frame_info[0].res.width;
o_height = binary->out_frame_info[0].res.height;
/* Y plane */
convert_coords_to_ispparams(me, dvs_6axis_config,
i_stride, o_width, o_height, 0);
if (dvs_in_frame_info->format == IA_CSS_FRAME_FORMAT_YUV420) {
/*YUV420 has half the stride for U/V plane*/
i_stride /=2;
}
/* UV plane (packed inside the y plane) */
convert_coords_to_ispparams(me, dvs_6axis_config,
i_stride, o_width/2, o_height/2, 1);
return me;
}
enum ia_css_err
store_dvs_6axis_config(
const struct ia_css_dvs_6axis_config *dvs_6axis_config,
const struct ia_css_binary *binary,
const struct ia_css_frame_info *dvs_in_frame_info,
hrt_vaddress ddr_addr_y)
{
struct ia_css_host_data *me;
assert(dvs_6axis_config != NULL);
assert(ddr_addr_y != mmgr_NULL);
assert(dvs_in_frame_info != NULL);
me = convert_allocate_dvs_6axis_config(dvs_6axis_config,
binary,
dvs_in_frame_info);
if (!me) {
IA_CSS_LEAVE_ERR_PRIVATE(IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY);
return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
}
ia_css_params_store_ia_css_host_data(
ddr_addr_y,
me);
ia_css_host_data_free(me);
return IA_CSS_SUCCESS;
}
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