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// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Intel Corporation
#include <linux/device.h>
#include "ipu3-css.h"
#include "ipu3-css-fw.h"
#include "ipu3-tables.h"
#include "ipu3-css-params.h"
#define DIV_ROUND_CLOSEST_DOWN(a, b) (((a) + ((b) / 2) - 1) / (b))
#define roundclosest_down(a, b) (DIV_ROUND_CLOSEST_DOWN(a, b) * (b))
#define IPU3_UAPI_ANR_MAX_RESET ((1 << 12) - 1)
#define IPU3_UAPI_ANR_MIN_RESET (((-1) << 12) + 1)
struct imgu_css_scaler_info {
unsigned int phase_step; /* Same for luma/chroma */
int exp_shift;
unsigned int phase_init; /* luma/chroma dependent */
int pad_left;
int pad_right;
int crop_left;
int crop_top;
};
static unsigned int imgu_css_scaler_get_exp(unsigned int counter,
unsigned int divider)
{
int i = fls(divider) - fls(counter);
if (i <= 0)
return 0;
if (divider >> i < counter)
i = i - 1;
return i;
}
/* Set up the CSS scaler look up table */
static void
imgu_css_scaler_setup_lut(unsigned int taps, unsigned int input_width,
unsigned int output_width, int phase_step_correction,
const int *coeffs, unsigned int coeffs_size,
s8 coeff_lut[], struct imgu_css_scaler_info *info)
{
int tap, phase, phase_sum_left, phase_sum_right;
int exponent = imgu_css_scaler_get_exp(output_width, input_width);
int mantissa = (1 << exponent) * output_width;
unsigned int phase_step;
if (input_width == output_width) {
for (phase = 0; phase < IMGU_SCALER_PHASES; phase++) {
for (tap = 0; tap < taps; tap++) {
coeff_lut[phase * IMGU_SCALER_FILTER_TAPS + tap]
= 0;
}
}
info->phase_step = IMGU_SCALER_PHASES *
(1 << IMGU_SCALER_PHASE_COUNTER_PREC_REF);
info->exp_shift = 0;
info->pad_left = 0;
info->pad_right = 0;
info->phase_init = 0;
info->crop_left = 0;
info->crop_top = 0;
return;
}
for (phase = 0; phase < IMGU_SCALER_PHASES; phase++) {
for (tap = 0; tap < taps; tap++) {
/* flip table to for convolution reverse indexing */
s64 coeff = coeffs[coeffs_size -
((tap * (coeffs_size / taps)) + phase) - 1];
coeff *= mantissa;
coeff = div64_long(coeff, input_width);
/* Add +"0.5" */
coeff += 1 << (IMGU_SCALER_COEFF_BITS - 1);
coeff >>= IMGU_SCALER_COEFF_BITS;
coeff_lut[phase * IMGU_SCALER_FILTER_TAPS + tap] =
coeff;
}
}
phase_step = IMGU_SCALER_PHASES *
(1 << IMGU_SCALER_PHASE_COUNTER_PREC_REF) *
output_width / input_width;
phase_step += phase_step_correction;
phase_sum_left = (taps / 2 * IMGU_SCALER_PHASES *
(1 << IMGU_SCALER_PHASE_COUNTER_PREC_REF)) -
(1 << (IMGU_SCALER_PHASE_COUNTER_PREC_REF - 1));
phase_sum_right = (taps / 2 * IMGU_SCALER_PHASES *
(1 << IMGU_SCALER_PHASE_COUNTER_PREC_REF)) +
(1 << (IMGU_SCALER_PHASE_COUNTER_PREC_REF - 1));
info->exp_shift = IMGU_SCALER_MAX_EXPONENT_SHIFT - exponent;
info->pad_left = (phase_sum_left % phase_step == 0) ?
phase_sum_left / phase_step - 1 : phase_sum_left / phase_step;
info->pad_right = (phase_sum_right % phase_step == 0) ?
phase_sum_right / phase_step - 1 : phase_sum_right / phase_step;
info->phase_init = phase_sum_left - phase_step * info->pad_left;
info->phase_step = phase_step;
info->crop_left = taps - 1;
info->crop_top = taps - 1;
}
/*
* Calculates the exact output image width/height, based on phase_step setting
* (must be perfectly aligned with hardware).
*/
static unsigned int
imgu_css_scaler_calc_scaled_output(unsigned int input,
struct imgu_css_scaler_info *info)
{
unsigned int arg1 = input * info->phase_step +
(1 - IMGU_SCALER_TAPS_Y / 2) * IMGU_SCALER_FIR_PHASES -
IMGU_SCALER_FIR_PHASES / (2 * IMGU_SCALER_PHASES);
unsigned int arg2 = ((IMGU_SCALER_TAPS_Y / 2) * IMGU_SCALER_FIR_PHASES +
IMGU_SCALER_FIR_PHASES / (2 * IMGU_SCALER_PHASES)) *
IMGU_SCALER_FIR_PHASES + info->phase_step / 2;
return ((arg1 + (arg2 - IMGU_SCALER_FIR_PHASES * info->phase_step) /
IMGU_SCALER_FIR_PHASES) / (2 * IMGU_SCALER_FIR_PHASES)) * 2;
}
/*
* Calculate the output width and height, given the luma
* and chroma details of a scaler
*/
static void
imgu_css_scaler_calc(u32 input_width, u32 input_height, u32 target_width,
u32 target_height, struct imgu_abi_osys_config *cfg,
struct imgu_css_scaler_info *info_luma,
struct imgu_css_scaler_info *info_chroma,
unsigned int *output_width, unsigned int *output_height,
unsigned int *procmode)
{
u32 out_width = target_width;
u32 out_height = target_height;
const unsigned int height_alignment = 2;
int phase_step_correction = -1;
/*
* Calculate scaled output width. If the horizontal and vertical scaling
* factor is different, then choose the biggest and crop off excess
* lines or columns after formatting.
*/
if (target_height * input_width > target_width * input_height)
target_width = DIV_ROUND_UP(target_height * input_width,
input_height);
if (input_width == target_width)
*procmode = IMGU_ABI_OSYS_PROCMODE_BYPASS;
else
*procmode = IMGU_ABI_OSYS_PROCMODE_DOWNSCALE;
memset(&cfg->scaler_coeffs_chroma, 0,
sizeof(cfg->scaler_coeffs_chroma));
memset(&cfg->scaler_coeffs_luma, 0, sizeof(*cfg->scaler_coeffs_luma));
do {
phase_step_correction++;
imgu_css_scaler_setup_lut(IMGU_SCALER_TAPS_Y,
input_width, target_width,
phase_step_correction,
imgu_css_downscale_4taps,
IMGU_SCALER_DOWNSCALE_4TAPS_LEN,
cfg->scaler_coeffs_luma, info_luma);
imgu_css_scaler_setup_lut(IMGU_SCALER_TAPS_UV,
input_width, target_width,
phase_step_correction,
imgu_css_downscale_2taps,
IMGU_SCALER_DOWNSCALE_2TAPS_LEN,
cfg->scaler_coeffs_chroma,
info_chroma);
out_width = imgu_css_scaler_calc_scaled_output(input_width,
info_luma);
out_height = imgu_css_scaler_calc_scaled_output(input_height,
info_luma);
} while ((out_width < target_width || out_height < target_height ||
!IS_ALIGNED(out_height, height_alignment)) &&
phase_step_correction <= 5);
*output_width = out_width;
*output_height = out_height;
}
/********************** Osys routines for scaler****************************/
static void imgu_css_osys_set_format(enum imgu_abi_frame_format host_format,
unsigned int *osys_format,
unsigned int *osys_tiling)
{
*osys_format = IMGU_ABI_OSYS_FORMAT_YUV420;
*osys_tiling = IMGU_ABI_OSYS_TILING_NONE;
switch (host_format) {
case IMGU_ABI_FRAME_FORMAT_YUV420:
*osys_format = IMGU_ABI_OSYS_FORMAT_YUV420;
break;
case IMGU_ABI_FRAME_FORMAT_YV12:
*osys_format = IMGU_ABI_OSYS_FORMAT_YV12;
break;
case IMGU_ABI_FRAME_FORMAT_NV12:
*osys_format = IMGU_ABI_OSYS_FORMAT_NV12;
break;
case IMGU_ABI_FRAME_FORMAT_NV16:
*osys_format = IMGU_ABI_OSYS_FORMAT_NV16;
break;
case IMGU_ABI_FRAME_FORMAT_NV21:
*osys_format = IMGU_ABI_OSYS_FORMAT_NV21;
break;
case IMGU_ABI_FRAME_FORMAT_NV12_TILEY:
*osys_format = IMGU_ABI_OSYS_FORMAT_NV12;
*osys_tiling = IMGU_ABI_OSYS_TILING_Y;
break;
default:
/* For now, assume use default values */
break;
}
}
/*
* Function calculates input frame stripe offset, based
* on output frame stripe offset and filter parameters.
*/
static int imgu_css_osys_calc_stripe_offset(int stripe_offset_out,
int fir_phases, int phase_init,
int phase_step, int pad_left)
{
int stripe_offset_inp = stripe_offset_out * fir_phases -
pad_left * phase_step;
return DIV_ROUND_UP(stripe_offset_inp - phase_init, phase_step);
}
/*
* Calculate input frame phase, given the output frame
* stripe offset and filter parameters
*/
static int imgu_css_osys_calc_stripe_phase_init(int stripe_offset_out,
int fir_phases, int phase_init,
int phase_step, int pad_left)
{
int stripe_offset_inp =
imgu_css_osys_calc_stripe_offset(stripe_offset_out,
fir_phases, phase_init,
phase_step, pad_left);
return phase_init + ((pad_left + stripe_offset_inp) * phase_step) -
stripe_offset_out * fir_phases;
}
/*
* This function calculates input frame stripe width,
* based on output frame stripe offset and filter parameters
*/
static int imgu_css_osys_calc_inp_stripe_width(int stripe_width_out,
int fir_phases, int phase_init,
int phase_step, int fir_taps,
int pad_left, int pad_right)
{
int stripe_width_inp = (stripe_width_out + fir_taps - 1) * fir_phases;
stripe_width_inp = DIV_ROUND_UP(stripe_width_inp - phase_init,
phase_step);
return stripe_width_inp - pad_left - pad_right;
}
/*
* This function calculates output frame stripe width, basedi
* on output frame stripe offset and filter parameters
*/
static int imgu_css_osys_out_stripe_width(int stripe_width_inp, int fir_phases,
int phase_init, int phase_step,
int fir_taps, int pad_left,
int pad_right, int column_offset)
{
int stripe_width_out = (pad_left + stripe_width_inp +
pad_right - column_offset) * phase_step;
stripe_width_out = (stripe_width_out + phase_init) / fir_phases;
return stripe_width_out - (fir_taps - 1);
}
struct imgu_css_reso {
unsigned int input_width;
unsigned int input_height;
enum imgu_abi_frame_format input_format;
unsigned int pin_width[IMGU_ABI_OSYS_PINS];
unsigned int pin_height[IMGU_ABI_OSYS_PINS];
unsigned int pin_stride[IMGU_ABI_OSYS_PINS];
enum imgu_abi_frame_format pin_format[IMGU_ABI_OSYS_PINS];
int chunk_width;
int chunk_height;
int block_height;
int block_width;
};
struct imgu_css_frame_params {
/* Output pins */
unsigned int enable;
unsigned int format;
unsigned int flip;
unsigned int mirror;
unsigned int tiling;
unsigned int reduce_range;
unsigned int width;
unsigned int height;
unsigned int stride;
unsigned int scaled;
unsigned int crop_left;
unsigned int crop_top;
};
struct imgu_css_stripe_params {
unsigned int processing_mode;
unsigned int phase_step;
unsigned int exp_shift;
unsigned int phase_init_left_y;
unsigned int phase_init_left_uv;
unsigned int phase_init_top_y;
unsigned int phase_init_top_uv;
unsigned int pad_left_y;
unsigned int pad_left_uv;
unsigned int pad_right_y;
unsigned int pad_right_uv;
unsigned int pad_top_y;
unsigned int pad_top_uv;
unsigned int pad_bottom_y;
unsigned int pad_bottom_uv;
unsigned int crop_left_y;
unsigned int crop_top_y;
unsigned int crop_left_uv;
unsigned int crop_top_uv;
unsigned int start_column_y;
unsigned int start_column_uv;
unsigned int chunk_width;
unsigned int chunk_height;
unsigned int block_width;
unsigned int block_height;
unsigned int input_width;
unsigned int input_height;
int output_width[IMGU_ABI_OSYS_PINS];
int output_height[IMGU_ABI_OSYS_PINS];
int output_offset[IMGU_ABI_OSYS_PINS];
};
/*
* frame_params - size IMGU_ABI_OSYS_PINS
* stripe_params - size IPU3_UAPI_MAX_STRIPES
*/
static int imgu_css_osys_calc_frame_and_stripe_params(
struct imgu_css *css, unsigned int stripes,
struct imgu_abi_osys_config *osys,
struct imgu_css_scaler_info *scaler_luma,
struct imgu_css_scaler_info *scaler_chroma,
struct imgu_css_frame_params frame_params[],
struct imgu_css_stripe_params stripe_params[],
unsigned int pipe)
{
struct imgu_css_reso reso;
unsigned int output_width, pin, s;
u32 input_width, input_height, target_width, target_height;
unsigned int procmode = 0;
struct imgu_css_pipe *css_pipe = &css->pipes[pipe];
input_width = css_pipe->rect[IPU3_CSS_RECT_GDC].width;
input_height = css_pipe->rect[IPU3_CSS_RECT_GDC].height;
target_width = css_pipe->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.width;
target_height = css_pipe->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.height;
/* Frame parameters */
/* Input width for Output System is output width of DVS (with GDC) */
reso.input_width = css_pipe->rect[IPU3_CSS_RECT_GDC].width;
/* Input height for Output System is output height of DVS (with GDC) */
reso.input_height = css_pipe->rect[IPU3_CSS_RECT_GDC].height;
reso.input_format =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].css_fmt->frame_format;
reso.pin_width[IMGU_ABI_OSYS_PIN_OUT] =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.width;
reso.pin_height[IMGU_ABI_OSYS_PIN_OUT] =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.height;
reso.pin_stride[IMGU_ABI_OSYS_PIN_OUT] =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].width_pad;
reso.pin_format[IMGU_ABI_OSYS_PIN_OUT] =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].css_fmt->frame_format;
reso.pin_width[IMGU_ABI_OSYS_PIN_VF] =
css_pipe->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.width;
reso.pin_height[IMGU_ABI_OSYS_PIN_VF] =
css_pipe->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.height;
reso.pin_stride[IMGU_ABI_OSYS_PIN_VF] =
css_pipe->queue[IPU3_CSS_QUEUE_VF].width_pad;
reso.pin_format[IMGU_ABI_OSYS_PIN_VF] =
css_pipe->queue[IPU3_CSS_QUEUE_VF].css_fmt->frame_format;
/* Configure the frame parameters for all output pins */
frame_params[IMGU_ABI_OSYS_PIN_OUT].width =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.width;
frame_params[IMGU_ABI_OSYS_PIN_OUT].height =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.height;
frame_params[IMGU_ABI_OSYS_PIN_VF].width =
css_pipe->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.width;
frame_params[IMGU_ABI_OSYS_PIN_VF].height =
css_pipe->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.height;
frame_params[IMGU_ABI_OSYS_PIN_VF].crop_top = 0;
frame_params[IMGU_ABI_OSYS_PIN_VF].crop_left = 0;
for (pin = 0; pin < IMGU_ABI_OSYS_PINS; pin++) {
int enable = 0;
int scaled = 0;
unsigned int format = 0;
unsigned int tiling = 0;
frame_params[pin].flip = 0;
frame_params[pin].mirror = 0;
frame_params[pin].reduce_range = 0;
if (reso.pin_width[pin] != 0 && reso.pin_height[pin] != 0) {
enable = 1;
if (pin == IMGU_ABI_OSYS_PIN_OUT) {
if (reso.input_width < reso.pin_width[pin] ||
reso.input_height < reso.pin_height[pin])
return -EINVAL;
/*
* When input and output resolution is
* different instead of scaling, cropping
* should happen. Determine the crop factor
* to do the symmetric cropping
*/
frame_params[pin].crop_left = roundclosest_down(
(reso.input_width -
reso.pin_width[pin]) / 2,
IMGU_OSYS_DMA_CROP_W_LIMIT);
frame_params[pin].crop_top = roundclosest_down(
(reso.input_height -
reso.pin_height[pin]) / 2,
IMGU_OSYS_DMA_CROP_H_LIMIT);
} else {
if (reso.pin_width[pin] != reso.input_width ||
reso.pin_height[pin] != reso.input_height) {
/*
* If resolution is different at input
* and output of OSYS, scaling is
* considered except when pin is MAIN.
* Later it will be decide whether
* scaler factor is 1 or other
* and cropping has to be done or not.
*/
scaled = 1;
}
}
imgu_css_osys_set_format(reso.pin_format[pin], &format,
&tiling);
} else {
enable = 0;
}
frame_params[pin].enable = enable;
frame_params[pin].format = format;
frame_params[pin].tiling = tiling;
frame_params[pin].stride = reso.pin_stride[pin];
frame_params[pin].scaled = scaled;
}
imgu_css_scaler_calc(input_width, input_height, target_width,
target_height, osys, scaler_luma, scaler_chroma,
&reso.pin_width[IMGU_ABI_OSYS_PIN_VF],
&reso.pin_height[IMGU_ABI_OSYS_PIN_VF], &procmode);
dev_dbg(css->dev, "osys scaler procmode is %u", procmode);
output_width = reso.pin_width[IMGU_ABI_OSYS_PIN_VF];
if (output_width < reso.input_width / 2) {
/* Scaling factor <= 0.5 */
reso.chunk_width = IMGU_OSYS_BLOCK_WIDTH;
reso.block_width = IMGU_OSYS_BLOCK_WIDTH;
} else { /* 0.5 <= Scaling factor <= 1.0 */
reso.chunk_width = IMGU_OSYS_BLOCK_WIDTH / 2;
reso.block_width = IMGU_OSYS_BLOCK_WIDTH;
}
if (output_width <= reso.input_width * 7 / 8) {
/* Scaling factor <= 0.875 */
reso.chunk_height = IMGU_OSYS_BLOCK_HEIGHT;
reso.block_height = IMGU_OSYS_BLOCK_HEIGHT;
} else { /* 1.0 <= Scaling factor <= 1.75 */
reso.chunk_height = IMGU_OSYS_BLOCK_HEIGHT / 2;
reso.block_height = IMGU_OSYS_BLOCK_HEIGHT;
}
/*
* Calculate scaler configuration parameters based on input and output
* resolution.
*/
if (frame_params[IMGU_ABI_OSYS_PIN_VF].enable) {
/*
* When aspect ratio is different between target resolution and
* required resolution, determine the crop factor to do
* symmetric cropping
*/
u32 w = reso.pin_width[IMGU_ABI_OSYS_PIN_VF] -
frame_params[IMGU_ABI_OSYS_PIN_VF].width;
u32 h = reso.pin_height[IMGU_ABI_OSYS_PIN_VF] -
frame_params[IMGU_ABI_OSYS_PIN_VF].height;
frame_params[IMGU_ABI_OSYS_PIN_VF].crop_left =
roundclosest_down(w / 2, IMGU_OSYS_DMA_CROP_W_LIMIT);
frame_params[IMGU_ABI_OSYS_PIN_VF].crop_top =
roundclosest_down(h / 2, IMGU_OSYS_DMA_CROP_H_LIMIT);
if (reso.input_height % 4 || reso.input_width % 8) {
dev_err(css->dev, "OSYS input width is not multiple of 8 or\n");
dev_err(css->dev, "height is not multiple of 4\n");
return -EINVAL;
}
}
/* Stripe parameters */
if (frame_params[IMGU_ABI_OSYS_PIN_VF].enable) {
output_width = reso.pin_width[IMGU_ABI_OSYS_PIN_VF];
} else {
/*
* in case scaler output is not enabled
* take output width as input width since
* there is no scaling at main pin.
* Due to the fact that main pin can be different
* from input resolution to osys in the case of cropping,
* main pin resolution is not taken.
*/
output_width = reso.input_width;
}
for (s = 0; s < stripes; s++) {
int stripe_offset_inp_y = 0;
int stripe_offset_inp_uv = 0;
int stripe_offset_out_y = 0;
int stripe_offset_out_uv = 0;
int stripe_phase_init_y = scaler_luma->phase_init;
int stripe_phase_init_uv = scaler_chroma->phase_init;
int stripe_offset_blk_y = 0;
int stripe_offset_blk_uv = 0;
int stripe_offset_col_y = 0;
int stripe_offset_col_uv = 0;
int stripe_pad_left_y = scaler_luma->pad_left;
int stripe_pad_left_uv = scaler_chroma->pad_left;
int stripe_pad_right_y = scaler_luma->pad_right;
int stripe_pad_right_uv = scaler_chroma->pad_right;
int stripe_crop_left_y = scaler_luma->crop_left;
int stripe_crop_left_uv = scaler_chroma->crop_left;
int stripe_input_width_y = reso.input_width;
int stripe_input_width_uv = 0;
int stripe_output_width_y = output_width;
int stripe_output_width_uv = 0;
int chunk_floor_y = 0;
int chunk_floor_uv = 0;
int chunk_ceil_uv = 0;
if (stripes > 1) {
if (s > 0) {
/* Calculate stripe offsets */
stripe_offset_out_y =
output_width * s / stripes;
stripe_offset_out_y =
rounddown(stripe_offset_out_y,
IPU3_UAPI_ISP_VEC_ELEMS);
stripe_offset_out_uv = stripe_offset_out_y /
IMGU_LUMA_TO_CHROMA_RATIO;
stripe_offset_inp_y =
imgu_css_osys_calc_stripe_offset(
stripe_offset_out_y,
IMGU_OSYS_FIR_PHASES,
scaler_luma->phase_init,
scaler_luma->phase_step,
scaler_luma->pad_left);
stripe_offset_inp_uv =
imgu_css_osys_calc_stripe_offset(
stripe_offset_out_uv,
IMGU_OSYS_FIR_PHASES,
scaler_chroma->phase_init,
scaler_chroma->phase_step,
scaler_chroma->pad_left);
/* Calculate stripe phase init */
stripe_phase_init_y =
imgu_css_osys_calc_stripe_phase_init(
stripe_offset_out_y,
IMGU_OSYS_FIR_PHASES,
scaler_luma->phase_init,
scaler_luma->phase_step,
scaler_luma->pad_left);
stripe_phase_init_uv =
imgu_css_osys_calc_stripe_phase_init(
stripe_offset_out_uv,
IMGU_OSYS_FIR_PHASES,
scaler_chroma->phase_init,
scaler_chroma->phase_step,
scaler_chroma->pad_left);
/*
* Chunk boundary corner case - luma and chroma
* start from different input chunks.
*/
chunk_floor_y = rounddown(stripe_offset_inp_y,
reso.chunk_width);
chunk_floor_uv =
rounddown(stripe_offset_inp_uv,
reso.chunk_width /
IMGU_LUMA_TO_CHROMA_RATIO);
if (chunk_floor_y != chunk_floor_uv *
IMGU_LUMA_TO_CHROMA_RATIO) {
/*
* Match starting luma/chroma chunks.
* Decrease offset for UV and add output
* cropping.
*/
stripe_offset_inp_uv -= 1;
stripe_crop_left_uv += 1;
stripe_phase_init_uv -=
scaler_luma->phase_step;
if (stripe_phase_init_uv < 0)
stripe_phase_init_uv =
stripe_phase_init_uv +
IMGU_OSYS_FIR_PHASES;
}
/*
* FW workaround for a HW bug: if the first
* chroma pixel is generated exactly at the end
* of chunck scaler HW may not output the pixel
* for downscale factors smaller than 1.5
* (timing issue).
*/
chunk_ceil_uv =
roundup(stripe_offset_inp_uv,
reso.chunk_width /
IMGU_LUMA_TO_CHROMA_RATIO);
if (stripe_offset_inp_uv ==
chunk_ceil_uv - IMGU_OSYS_TAPS_UV) {
/*
* Decrease input offset and add
* output cropping
*/
stripe_offset_inp_uv -= 1;
stripe_phase_init_uv -=
scaler_luma->phase_step;
if (stripe_phase_init_uv < 0) {
stripe_phase_init_uv +=
IMGU_OSYS_FIR_PHASES;
stripe_crop_left_uv += 1;
}
}
/*
* Calculate block and column offsets for the
* input stripe
*/
stripe_offset_blk_y =
rounddown(stripe_offset_inp_y,
IMGU_INPUT_BLOCK_WIDTH);
stripe_offset_blk_uv =
rounddown(stripe_offset_inp_uv,
IMGU_INPUT_BLOCK_WIDTH /
IMGU_LUMA_TO_CHROMA_RATIO);
stripe_offset_col_y = stripe_offset_inp_y -
stripe_offset_blk_y;
stripe_offset_col_uv = stripe_offset_inp_uv -
stripe_offset_blk_uv;
/* Left padding is only for the first stripe */
stripe_pad_left_y = 0;
stripe_pad_left_uv = 0;
}
/* Right padding is only for the last stripe */
if (s < stripes - 1) {
int next_offset;
stripe_pad_right_y = 0;
stripe_pad_right_uv = 0;
next_offset = output_width * (s + 1) / stripes;
next_offset = rounddown(next_offset, 64);
stripe_output_width_y = next_offset -
stripe_offset_out_y;
} else {
stripe_output_width_y = output_width -
stripe_offset_out_y;
}
/* Calculate target output stripe width */
stripe_output_width_uv = stripe_output_width_y /
IMGU_LUMA_TO_CHROMA_RATIO;
/* Calculate input stripe width */
stripe_input_width_y = stripe_offset_col_y +
imgu_css_osys_calc_inp_stripe_width(
stripe_output_width_y,
IMGU_OSYS_FIR_PHASES,
stripe_phase_init_y,
scaler_luma->phase_step,
IMGU_OSYS_TAPS_Y,
stripe_pad_left_y,
stripe_pad_right_y);
stripe_input_width_uv = stripe_offset_col_uv +
imgu_css_osys_calc_inp_stripe_width(
stripe_output_width_uv,
IMGU_OSYS_FIR_PHASES,
stripe_phase_init_uv,
scaler_chroma->phase_step,
IMGU_OSYS_TAPS_UV,
stripe_pad_left_uv,
stripe_pad_right_uv);
stripe_input_width_uv = max(DIV_ROUND_UP(
stripe_input_width_y,
IMGU_LUMA_TO_CHROMA_RATIO),
stripe_input_width_uv);
stripe_input_width_y = stripe_input_width_uv *
IMGU_LUMA_TO_CHROMA_RATIO;
if (s >= stripes - 1) {
stripe_input_width_y = reso.input_width -
stripe_offset_blk_y;
/*
* The scaler requires that the last stripe
* spans at least two input blocks.
*/
}
/*
* Spec: input stripe width must be a multiple of 8.
* Increase the input width and recalculate the output
* width. This may produce an extra column of junk
* blocks which will be overwritten by the
* next stripe.
*/
stripe_input_width_y = ALIGN(stripe_input_width_y, 8);
stripe_output_width_y =
imgu_css_osys_out_stripe_width(
stripe_input_width_y,
IMGU_OSYS_FIR_PHASES,
stripe_phase_init_y,
scaler_luma->phase_step,
IMGU_OSYS_TAPS_Y,
stripe_pad_left_y,
stripe_pad_right_y,
stripe_offset_col_y);
stripe_output_width_y =
rounddown(stripe_output_width_y,
IMGU_LUMA_TO_CHROMA_RATIO);
}
/*
* Following section executes and process parameters
* for both cases - Striping or No Striping.
*/
{
unsigned int i;
int pin_scale = 0;
/*Input resolution */
stripe_params[s].input_width = stripe_input_width_y;
stripe_params[s].input_height = reso.input_height;
for (i = 0; i < IMGU_ABI_OSYS_PINS; i++) {
if (frame_params[i].scaled) {
/*
* Output stripe resolution and offset
* as produced by the scaler; actual
* output resolution may be slightly
* smaller.
*/
stripe_params[s].output_width[i] =
stripe_output_width_y;
stripe_params[s].output_height[i] =
reso.pin_height[i];
stripe_params[s].output_offset[i] =
stripe_offset_out_y;
pin_scale += frame_params[i].scaled;
} else {
/* Unscaled pin */
stripe_params[s].output_width[i] =
stripe_params[s].input_width;
stripe_params[s].output_height[i] =
stripe_params[s].input_height;
stripe_params[s].output_offset[i] =
stripe_offset_blk_y;
}
}
/* If no pin use scale, we use BYPASS mode */
stripe_params[s].processing_mode = procmode;
stripe_params[s].phase_step = scaler_luma->phase_step;
stripe_params[s].exp_shift = scaler_luma->exp_shift;
stripe_params[s].phase_init_left_y =
stripe_phase_init_y;
stripe_params[s].phase_init_left_uv =
stripe_phase_init_uv;
stripe_params[s].phase_init_top_y =
scaler_luma->phase_init;
stripe_params[s].phase_init_top_uv =
scaler_chroma->phase_init;
stripe_params[s].pad_left_y = stripe_pad_left_y;
stripe_params[s].pad_left_uv = stripe_pad_left_uv;
stripe_params[s].pad_right_y = stripe_pad_right_y;
stripe_params[s].pad_right_uv = stripe_pad_right_uv;
stripe_params[s].pad_top_y = scaler_luma->pad_left;
stripe_params[s].pad_top_uv = scaler_chroma->pad_left;
stripe_params[s].pad_bottom_y = scaler_luma->pad_right;
stripe_params[s].pad_bottom_uv =
scaler_chroma->pad_right;
stripe_params[s].crop_left_y = stripe_crop_left_y;
stripe_params[s].crop_top_y = scaler_luma->crop_top;
stripe_params[s].crop_left_uv = stripe_crop_left_uv;
stripe_params[s].crop_top_uv = scaler_chroma->crop_top;
stripe_params[s].start_column_y = stripe_offset_col_y;
stripe_params[s].start_column_uv = stripe_offset_col_uv;
stripe_params[s].chunk_width = reso.chunk_width;
stripe_params[s].chunk_height = reso.chunk_height;
stripe_params[s].block_width = reso.block_width;
stripe_params[s].block_height = reso.block_height;
}
}
return 0;
}
/*
* This function configures the Output Formatter System, given the number of
* stripes, scaler luma and chrome parameters
*/
static int imgu_css_osys_calc(struct imgu_css *css, unsigned int pipe,
unsigned int stripes,
struct imgu_abi_osys_config *osys,
struct imgu_css_scaler_info *scaler_luma,
struct imgu_css_scaler_info *scaler_chroma,
struct imgu_abi_stripes block_stripes[])
{
struct imgu_css_frame_params frame_params[IMGU_ABI_OSYS_PINS];
struct imgu_css_stripe_params stripe_params[IPU3_UAPI_MAX_STRIPES];
struct imgu_abi_osys_formatter_params *param;
unsigned int pin, s;
struct imgu_css_pipe *css_pipe = &css->pipes[pipe];
memset(osys, 0, sizeof(*osys));
/* Compute the frame and stripe params */
if (imgu_css_osys_calc_frame_and_stripe_params(css, stripes, osys,
scaler_luma,
scaler_chroma,
frame_params,
stripe_params, pipe))
return -EINVAL;
/* Output formatter system parameters */
for (s = 0; s < stripes; s++) {
struct imgu_abi_osys_scaler_params *scaler =
&osys->scaler[s].param;
int fifo_addr_fmt = IMGU_FIFO_ADDR_SCALER_TO_FMT;
int fifo_addr_ack = IMGU_FIFO_ADDR_SCALER_TO_SP;
/* OUTPUT 0 / PIN 0 is only Scaler output */
scaler->inp_buf_y_st_addr = IMGU_VMEM1_INP_BUF_ADDR;
/*
* = (IMGU_OSYS_BLOCK_WIDTH / IMGU_VMEM1_ELEMS_PER_VEC)
* = (2 * IPU3_UAPI_ISP_VEC_ELEMS) /
* (IMGU_HIVE_OF_SYS_OF_SYSTEM_NWAYS)
* = 2 * 64 / 32 = 4
*/
scaler->inp_buf_y_line_stride = IMGU_VMEM1_Y_STRIDE;
/*
* = (IMGU_VMEM1_V_OFFSET + VMEM1_uv_size)
* = (IMGU_VMEM1_U_OFFSET + VMEM1_uv_size) +
* (VMEM1_y_size / 4)
* = (VMEM1_y_size) + (VMEM1_y_size / 4) +
* (IMGU_OSYS_BLOCK_HEIGHT * IMGU_VMEM1_Y_STRIDE)/4
* = (IMGU_OSYS_BLOCK_HEIGHT * IMGU_VMEM1_Y_STRIDE)
*/
scaler->inp_buf_y_buffer_stride = IMGU_VMEM1_BUF_SIZE;
scaler->inp_buf_u_st_addr = IMGU_VMEM1_INP_BUF_ADDR +
IMGU_VMEM1_U_OFFSET;
scaler->inp_buf_v_st_addr = IMGU_VMEM1_INP_BUF_ADDR +
IMGU_VMEM1_V_OFFSET;
scaler->inp_buf_uv_line_stride = IMGU_VMEM1_UV_STRIDE;
scaler->inp_buf_uv_buffer_stride = IMGU_VMEM1_BUF_SIZE;
scaler->inp_buf_chunk_width = stripe_params[s].chunk_width;
scaler->inp_buf_nr_buffers = IMGU_OSYS_NUM_INPUT_BUFFERS;
/* Output buffers */
scaler->out_buf_y_st_addr = IMGU_VMEM1_INT_BUF_ADDR;
scaler->out_buf_y_line_stride = stripe_params[s].block_width /
IMGU_VMEM1_ELEMS_PER_VEC;
scaler->out_buf_y_buffer_stride = IMGU_VMEM1_BUF_SIZE;
scaler->out_buf_u_st_addr = IMGU_VMEM1_INT_BUF_ADDR +
IMGU_VMEM1_U_OFFSET;
scaler->out_buf_v_st_addr = IMGU_VMEM1_INT_BUF_ADDR +
IMGU_VMEM1_V_OFFSET;
scaler->out_buf_uv_line_stride = stripe_params[s].block_width /
IMGU_VMEM1_ELEMS_PER_VEC / 2;
scaler->out_buf_uv_buffer_stride = IMGU_VMEM1_BUF_SIZE;
scaler->out_buf_nr_buffers = IMGU_OSYS_NUM_INTERM_BUFFERS;
/* Intermediate buffers */
scaler->int_buf_y_st_addr = IMGU_VMEM2_BUF_Y_ADDR;
scaler->int_buf_y_line_stride = IMGU_VMEM2_BUF_Y_STRIDE;
scaler->int_buf_u_st_addr = IMGU_VMEM2_BUF_U_ADDR;
scaler->int_buf_v_st_addr = IMGU_VMEM2_BUF_V_ADDR;
scaler->int_buf_uv_line_stride = IMGU_VMEM2_BUF_UV_STRIDE;
scaler->int_buf_height = IMGU_VMEM2_LINES_PER_BLOCK;
scaler->int_buf_chunk_width = stripe_params[s].chunk_height;
scaler->int_buf_chunk_height = stripe_params[s].block_width;
/* Context buffers */
scaler->ctx_buf_hor_y_st_addr = IMGU_VMEM3_HOR_Y_ADDR;
scaler->ctx_buf_hor_u_st_addr = IMGU_VMEM3_HOR_U_ADDR;
scaler->ctx_buf_hor_v_st_addr = IMGU_VMEM3_HOR_V_ADDR;
scaler->ctx_buf_ver_y_st_addr = IMGU_VMEM3_VER_Y_ADDR;
scaler->ctx_buf_ver_u_st_addr = IMGU_VMEM3_VER_U_ADDR;
scaler->ctx_buf_ver_v_st_addr = IMGU_VMEM3_VER_V_ADDR;
/* Addresses for release-input and process-output tokens */
scaler->release_inp_buf_addr = fifo_addr_ack;
scaler->release_inp_buf_en = 1;
scaler->release_out_buf_en = 1;
scaler->process_out_buf_addr = fifo_addr_fmt;
/* Settings dimensions, padding, cropping */
scaler->input_image_y_width = stripe_params[s].input_width;
scaler->input_image_y_height = stripe_params[s].input_height;
scaler->input_image_y_start_column =
stripe_params[s].start_column_y;
scaler->input_image_uv_start_column =
stripe_params[s].start_column_uv;
scaler->input_image_y_left_pad = stripe_params[s].pad_left_y;
scaler->input_image_uv_left_pad = stripe_params[s].pad_left_uv;
scaler->input_image_y_right_pad = stripe_params[s].pad_right_y;
scaler->input_image_uv_right_pad =
stripe_params[s].pad_right_uv;
scaler->input_image_y_top_pad = stripe_params[s].pad_top_y;
scaler->input_image_uv_top_pad = stripe_params[s].pad_top_uv;
scaler->input_image_y_bottom_pad =
stripe_params[s].pad_bottom_y;
scaler->input_image_uv_bottom_pad =
stripe_params[s].pad_bottom_uv;
scaler->processing_mode = stripe_params[s].processing_mode;
scaler->scaling_ratio = stripe_params[s].phase_step;
scaler->y_left_phase_init = stripe_params[s].phase_init_left_y;
scaler->uv_left_phase_init =
stripe_params[s].phase_init_left_uv;
scaler->y_top_phase_init = stripe_params[s].phase_init_top_y;
scaler->uv_top_phase_init = stripe_params[s].phase_init_top_uv;
scaler->coeffs_exp_shift = stripe_params[s].exp_shift;
scaler->out_y_left_crop = stripe_params[s].crop_left_y;
scaler->out_uv_left_crop = stripe_params[s].crop_left_uv;
scaler->out_y_top_crop = stripe_params[s].crop_top_y;
scaler->out_uv_top_crop = stripe_params[s].crop_top_uv;
for (pin = 0; pin < IMGU_ABI_OSYS_PINS; pin++) {
int in_fifo_addr;
int out_fifo_addr;
int block_width_vecs;
int input_width_s;
int input_width_vecs;
int input_buf_y_st_addr;
int input_buf_u_st_addr;
int input_buf_v_st_addr;
int input_buf_y_line_stride;
int input_buf_uv_line_stride;
int output_buf_y_line_stride;
int output_buf_uv_line_stride;
int output_buf_nr_y_lines;
int block_height;
int block_width;
struct imgu_abi_osys_frame_params *fr_pr;
fr_pr = &osys->frame[pin].param;
/* Frame parameters */
fr_pr->enable = frame_params[pin].enable;
fr_pr->format = frame_params[pin].format;
fr_pr->mirror = frame_params[pin].mirror;
fr_pr->flip = frame_params[pin].flip;
fr_pr->tiling = frame_params[pin].tiling;
fr_pr->width = frame_params[pin].width;
fr_pr->height = frame_params[pin].height;
fr_pr->stride = frame_params[pin].stride;
fr_pr->scaled = frame_params[pin].scaled;
/* Stripe parameters */
osys->stripe[s].crop_top[pin] =
frame_params[pin].crop_top;
osys->stripe[s].input_width =
stripe_params[s].input_width;
osys->stripe[s].input_height =
stripe_params[s].input_height;
osys->stripe[s].block_height =
stripe_params[s].block_height;
osys->stripe[s].block_width =
stripe_params[s].block_width;
osys->stripe[s].output_width[pin] =
stripe_params[s].output_width[pin];
osys->stripe[s].output_height[pin] =
stripe_params[s].output_height[pin];
if (s == 0) {
/* Only first stripe should do left cropping */
osys->stripe[s].crop_left[pin] =
frame_params[pin].crop_left;
osys->stripe[s].output_offset[pin] =
stripe_params[s].output_offset[pin];
} else {
/*
* Stripe offset for other strips should be
* adjusted according to the cropping done
* at the first strip
*/
osys->stripe[s].crop_left[pin] = 0;
osys->stripe[s].output_offset[pin] =
(stripe_params[s].output_offset[pin] -
osys->stripe[0].crop_left[pin]);
}
if (!frame_params[pin].enable)
continue;
/* Formatter: configurations */
/*
* Get the dimensions of the input blocks of the
* formatter, which is the same as the output
* blocks of the scaler.
*/
if (frame_params[pin].scaled) {
block_height = stripe_params[s].block_height;
block_width = stripe_params[s].block_width;
} else {
block_height = IMGU_OSYS_BLOCK_HEIGHT;
block_width = IMGU_OSYS_BLOCK_WIDTH;
}
block_width_vecs =
block_width / IMGU_VMEM1_ELEMS_PER_VEC;
/*
* The input/output line stride depends on the
* block size.
*/
input_buf_y_line_stride = block_width_vecs;
input_buf_uv_line_stride = block_width_vecs / 2;
output_buf_y_line_stride = block_width_vecs;
output_buf_uv_line_stride = block_width_vecs / 2;
output_buf_nr_y_lines = block_height;
if (frame_params[pin].format ==
IMGU_ABI_OSYS_FORMAT_NV12 ||
frame_params[pin].format ==
IMGU_ABI_OSYS_FORMAT_NV21)
output_buf_uv_line_stride =
output_buf_y_line_stride;
/*
* Tiled outputs use a different output buffer
* configuration. The input (= scaler output) block
* width translates to a tile height, and the block
* height to the tile width. The default block size of
* 128x32 maps exactly onto a 4kB tile (512x8) for Y.
* For UV, the tile width is always half.
*/
if (frame_params[pin].tiling) {
output_buf_nr_y_lines = 8;
output_buf_y_line_stride = 512 /
IMGU_VMEM1_ELEMS_PER_VEC;
output_buf_uv_line_stride = 256 /
IMGU_VMEM1_ELEMS_PER_VEC;
}
/*
* Store the output buffer line stride. Will be
* used to compute buffer offsets in boundary
* conditions when output blocks are partially
* outside the image.
*/
osys->stripe[s].buf_stride[pin] =
output_buf_y_line_stride *
IMGU_HIVE_OF_SYS_OF_SYSTEM_NWAYS;
if (frame_params[pin].scaled) {
/*
* The input buffs are the intermediate
* buffers (scalers' output)
*/
input_buf_y_st_addr = IMGU_VMEM1_INT_BUF_ADDR;
input_buf_u_st_addr = IMGU_VMEM1_INT_BUF_ADDR +
IMGU_VMEM1_U_OFFSET;
input_buf_v_st_addr = IMGU_VMEM1_INT_BUF_ADDR +
IMGU_VMEM1_V_OFFSET;
} else {
/*
* The input bufferss are the buffers
* filled by the SP
*/
input_buf_y_st_addr = IMGU_VMEM1_INP_BUF_ADDR;
input_buf_u_st_addr = IMGU_VMEM1_INP_BUF_ADDR +
IMGU_VMEM1_U_OFFSET;
input_buf_v_st_addr = IMGU_VMEM1_INP_BUF_ADDR +
IMGU_VMEM1_V_OFFSET;
}
/*
* The formatter input width must be rounded to
* the block width. Otherwise the formatter will
* not recognize the end of the line, resulting
* in incorrect tiling (system may hang!) and
* possibly other problems.
*/
input_width_s =
roundup(stripe_params[s].output_width[pin],
block_width);
input_width_vecs = input_width_s /
IMGU_VMEM1_ELEMS_PER_VEC;
out_fifo_addr = IMGU_FIFO_ADDR_FMT_TO_SP;
/*
* Process-output tokens must be sent to the SP.
* When scaling, the release-input tokens can be
* sent directly to the scaler, otherwise the
* formatter should send them to the SP.
*/
if (frame_params[pin].scaled)
in_fifo_addr = IMGU_FIFO_ADDR_FMT_TO_SCALER;
else
in_fifo_addr = IMGU_FIFO_ADDR_FMT_TO_SP;
/* Formatter */
param = &osys->formatter[s][pin].param;
param->format = frame_params[pin].format;
param->flip = frame_params[pin].flip;
param->mirror = frame_params[pin].mirror;
param->tiling = frame_params[pin].tiling;
param->reduce_range = frame_params[pin].reduce_range;
param->alpha_blending = 0;
param->release_inp_addr = in_fifo_addr;
param->release_inp_en = 1;
param->process_out_buf_addr = out_fifo_addr;
param->image_width_vecs = input_width_vecs;
param->image_height_lines =
stripe_params[s].output_height[pin];
param->inp_buff_y_st_addr = input_buf_y_st_addr;
param->inp_buff_y_line_stride = input_buf_y_line_stride;
param->inp_buff_y_buffer_stride = IMGU_VMEM1_BUF_SIZE;
param->int_buff_u_st_addr = input_buf_u_st_addr;
param->int_buff_v_st_addr = input_buf_v_st_addr;
param->inp_buff_uv_line_stride =
input_buf_uv_line_stride;
param->inp_buff_uv_buffer_stride = IMGU_VMEM1_BUF_SIZE;
param->out_buff_level = 0;
param->out_buff_nr_y_lines = output_buf_nr_y_lines;
param->out_buff_u_st_offset = IMGU_VMEM1_U_OFFSET;
param->out_buff_v_st_offset = IMGU_VMEM1_V_OFFSET;
param->out_buff_y_line_stride =
output_buf_y_line_stride;
param->out_buff_uv_line_stride =
output_buf_uv_line_stride;
param->hist_buff_st_addr = IMGU_VMEM1_HST_BUF_ADDR;
param->hist_buff_line_stride =
IMGU_VMEM1_HST_BUF_STRIDE;
param->hist_buff_nr_lines = IMGU_VMEM1_HST_BUF_NLINES;
}
}
block_stripes[0].offset = 0;
if (stripes <= 1) {
block_stripes[0].width = stripe_params[0].input_width;
block_stripes[0].height = stripe_params[0].input_height;
} else {
struct imgu_fw_info *bi =
&css->fwp->binary_header[css_pipe->bindex];
unsigned int sp_block_width =
bi->info.isp.sp.block.block_width *
IPU3_UAPI_ISP_VEC_ELEMS;
block_stripes[0].width = roundup(stripe_params[0].input_width,
sp_block_width);
block_stripes[1].offset =
rounddown(css_pipe->rect[IPU3_CSS_RECT_GDC].width -
stripe_params[1].input_width, sp_block_width);
block_stripes[1].width =
roundup(css_pipe->rect[IPU3_CSS_RECT_GDC].width -
block_stripes[1].offset, sp_block_width);
block_stripes[0].height = css_pipe->rect[IPU3_CSS_RECT_GDC].height;
block_stripes[1].height = block_stripes[0].height;
}
return 0;
}
/*********************** Mostly 3A operations ******************************/
/*
* This function creates a "TO-DO list" (operations) for the sp code.
*
* There are 2 types of operations:
* 1. Transfer: Issue DMA transfer request for copying grid cells from DDR to
* accelerator space (NOTE that this space is limited) associated data:
* DDR address + accelerator's config set index(acc's address).
*
* 2. Issue "Process Lines Command" to shd accelerator
* associated data: #lines + which config set to use (actually, accelerator
* will use x AND (x+1)%num_of_sets - NOTE that this implies the restriction
* of not touching config sets x & (x+1)%num_of_sets when process_lines(x)
* is active).
*
* Basically there are 2 types of operations "chunks":
* 1. "initial chunk": Initially, we do as much transfers as we can (and need)
* [0 - max sets(3) ] followed by 1 or 2 "process lines" operations.
*
* 2. "regular chunk" - 1 transfer followed by 1 process line operation.
* (in some cases we might need additional transfer ate the last chunk).
*
* for some case:
* --> init
* tr (0)
* tr (1)
* tr (2)
* pl (0)
* pl (1)
* --> ack (0)
* tr (3)
* pl (2)
* --> ack (1)
* pl (3)
* --> ack (2)
* do nothing
* --> ack (3)
* do nothing
*/
static int
imgu_css_shd_ops_calc(struct imgu_abi_shd_intra_frame_operations_data *ops,
const struct ipu3_uapi_shd_grid_config *grid,
unsigned int image_height)
{
unsigned int block_height = 1 << grid->block_height_log2;
unsigned int grid_height_per_slice = grid->grid_height_per_slice;
unsigned int set_height = grid_height_per_slice * block_height;
/* We currently support only abs(y_start) > grid_height_per_slice */
unsigned int positive_y_start = (unsigned int)-grid->y_start;
unsigned int first_process_lines =
set_height - (positive_y_start % set_height);
unsigned int last_set_height;
unsigned int num_of_sets;
struct imgu_abi_acc_operation *p_op;
struct imgu_abi_acc_process_lines_cmd_data *p_pl;
struct imgu_abi_shd_transfer_luts_set_data *p_tr;
unsigned int op_idx, pl_idx, tr_idx;
unsigned char tr_set_num, pl_cfg_set;
/*
* When the number of lines for the last process lines command
* is equal to a set height, we need another line of grid cell -
* additional transfer is required.
*/
unsigned char last_tr = 0;
/* Add "process lines" command to the list of operations */
bool add_pl;
/* Add DMA xfer (config set) command to the list of ops */
bool add_tr;
/*
* Available partial grid (the part that fits into #IMGU_SHD_SETS sets)
* doesn't cover whole frame - need to process in chunks
*/
if (image_height > first_process_lines) {
last_set_height =
(image_height - first_process_lines) % set_height;
num_of_sets = last_set_height > 0 ?
(image_height - first_process_lines) / set_height + 2 :
(image_height - first_process_lines) / set_height + 1;
last_tr = (set_height - last_set_height <= block_height ||
last_set_height == 0) ? 1 : 0;
} else { /* partial grid covers whole frame */
last_set_height = 0;
num_of_sets = 1;
first_process_lines = image_height;
last_tr = set_height - image_height <= block_height ? 1 : 0;
}
/* Init operations lists and counters */
p_op = ops->operation_list;
op_idx = 0;
p_pl = ops->process_lines_data;
pl_idx = 0;
p_tr = ops->transfer_data;
tr_idx = 0;
memset(ops, 0, sizeof(*ops));
/* Cyclic counters that holds config set number [0,IMGU_SHD_SETS) */
tr_set_num = 0;
pl_cfg_set = 0;
/*
* Always start with a transfer - process lines command must be
* initiated only after appropriate config sets are in place
* (2 configuration sets per process line command, except for last one).
*/
add_pl = false;
add_tr = true;
while (add_pl || add_tr) {
/* Transfer ops */
if (add_tr) {
if (op_idx >= IMGU_ABI_SHD_MAX_OPERATIONS ||
tr_idx >= IMGU_ABI_SHD_MAX_TRANSFERS)
return -EINVAL;
p_op[op_idx].op_type =
IMGU_ABI_ACC_OPTYPE_TRANSFER_DATA;
p_op[op_idx].op_indicator = IMGU_ABI_ACC_OP_IDLE;
op_idx++;
p_tr[tr_idx].set_number = tr_set_num;
tr_idx++;
tr_set_num = (tr_set_num + 1) % IMGU_SHD_SETS;
}
/* Process-lines ops */
if (add_pl) {
if (op_idx >= IMGU_ABI_SHD_MAX_OPERATIONS ||
pl_idx >= IMGU_ABI_SHD_MAX_PROCESS_LINES)
return -EINVAL;
p_op[op_idx].op_type =
IMGU_ABI_ACC_OPTYPE_PROCESS_LINES;
/*
* In case we have 2 process lines commands -
* don't stop after the first one
*/
if (pl_idx == 0 && num_of_sets != 1)
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_IDLE;
/*
* Initiate last process lines command -
* end of operation list.
*/
else if (pl_idx == num_of_sets - 1)
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_END_OF_OPS;
/*
* Intermediate process line command - end of operation
* "chunk" (meaning few "transfers" followed by few
* "process lines" commands).
*/
else
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_END_OF_ACK;
op_idx++;
/* first process line operation */
if (pl_idx == 0)
p_pl[pl_idx].lines = first_process_lines;
/* Last process line operation */
else if (pl_idx == num_of_sets - 1 &&
last_set_height > 0)
p_pl[pl_idx].lines = last_set_height;
else /* "regular" process lines operation */
p_pl[pl_idx].lines = set_height;
p_pl[pl_idx].cfg_set = pl_cfg_set;
pl_idx++;
pl_cfg_set = (pl_cfg_set + 1) % IMGU_SHD_SETS;
}
/*
* Initially, we always transfer
* min(IMGU_SHD_SETS, num_of_sets) - after that we fill in the
* corresponding process lines commands.
*/
if (tr_idx == IMGU_SHD_SETS ||
tr_idx == num_of_sets + last_tr) {
add_tr = false;
add_pl = true;
}
/*
* We have finished the "initial" operations chunk -
* be ready to get more chunks.
*/
if (pl_idx == 2) {
add_tr = true;
add_pl = true;
}
/* Stop conditions for each operation type */
if (tr_idx == num_of_sets + last_tr)
add_tr = false;
if (pl_idx == num_of_sets)
add_pl = false;
}
return 0;
}
/*
* The follow handshake procotol is the same for AF, AWB and AWB FR.
*
* for n sets of meta-data, the flow is:
* --> init
* process-lines (0)
* process-lines (1) eoc
* --> ack (0)
* read-meta-data (0)
* process-lines (2) eoc
* --> ack (1)
* read-meta-data (1)
* process-lines (3) eoc
* ...
*
* --> ack (n-3)
* read-meta-data (n-3)
* process-lines (n-1) eoc
* --> ack (n-2)
* read-meta-data (n-2) eoc
* --> ack (n-1)
* read-meta-data (n-1) eof
*
* for 2 sets we get:
* --> init
* pl (0)
* pl (1) eoc
* --> ack (0)
* pl (2) - rest of image, if applicable)
* rmd (0) eoc
* --> ack (1)
* rmd (1) eof
* --> (ack (2))
* do nothing
*
* for only one set:
*
* --> init
* pl(0) eoc
* --> ack (0)
* rmd (0) eof
*
* grid smaller than image case
* for example 128x128 grid (block size 8x8, 16x16 num of blocks)
* start at (0,0)
* 1st set holds 160 cells - 10 blocks vertical, 16 horizontal
* => 1st process lines = 80
* we're left with 128-80=48 lines (6 blocks vertical)
* => 2nd process lines = 48
* last process lines to cover the image - image_height - 128
*
* --> init
* pl (0) first
* pl (1) last-in-grid
* --> ack (0)
* rmd (0)
* pl (2) after-grid
* --> ack (1)
* rmd (1) eof
* --> ack (2)
* do nothing
*/
struct process_lines {
unsigned int image_height;
unsigned short grid_height;
unsigned short block_height;
unsigned short y_start;
unsigned char grid_height_per_slice;
unsigned short max_op; /* max operation */
unsigned short max_tr; /* max transaction */
unsigned char acc_enable;
};
/* Helper to config intra_frame_operations_data. */
static int
imgu_css_acc_process_lines(const struct process_lines *pl,
struct imgu_abi_acc_operation *p_op,
struct imgu_abi_acc_process_lines_cmd_data *p_pl,
struct imgu_abi_acc_transfer_op_data *p_tr)
{
unsigned short op_idx = 0, pl_idx = 0, tr_idx = 0;
unsigned char tr_set_num = 0, pl_cfg_set = 0;
const unsigned short grid_last_line =
pl->y_start + pl->grid_height * pl->block_height;
const unsigned short process_lines =
pl->grid_height_per_slice * pl->block_height;
unsigned int process_lines_after_grid;
unsigned short first_process_lines;
unsigned short last_process_lines_in_grid;
unsigned short num_of_process_lines;
unsigned short num_of_sets;
if (pl->grid_height_per_slice == 0)
return -EINVAL;
if (pl->acc_enable && grid_last_line > pl->image_height)
return -EINVAL;
num_of_sets = pl->grid_height / pl->grid_height_per_slice;
if (num_of_sets * pl->grid_height_per_slice < pl->grid_height)
num_of_sets++;
/* Account for two line delay inside the FF */
if (pl->max_op == IMGU_ABI_AF_MAX_OPERATIONS) {
first_process_lines = process_lines + pl->y_start + 2;
last_process_lines_in_grid =
(grid_last_line - first_process_lines) -
((num_of_sets - 2) * process_lines) + 4;
process_lines_after_grid =
pl->image_height - grid_last_line - 4;
} else {
first_process_lines = process_lines + pl->y_start;
last_process_lines_in_grid =
(grid_last_line - first_process_lines) -
((num_of_sets - 2) * process_lines);
process_lines_after_grid = pl->image_height - grid_last_line;
}
num_of_process_lines = num_of_sets;
if (process_lines_after_grid > 0)
num_of_process_lines++;
while (tr_idx < num_of_sets || pl_idx < num_of_process_lines) {
/* Read meta-data */
if (pl_idx >= 2 || (pl_idx == 1 && num_of_sets == 1)) {
if (op_idx >= pl->max_op || tr_idx >= pl->max_tr)
return -EINVAL;
p_op[op_idx].op_type =
IMGU_ABI_ACC_OPTYPE_TRANSFER_DATA;
if (tr_idx == num_of_sets - 1)
/* The last operation is always a tr */
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_END_OF_OPS;
else if (tr_idx == num_of_sets - 2)
if (process_lines_after_grid == 0)
/*
* No additional pl op left -
* this op is left as lats of cycle
*/
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_END_OF_ACK;
else
/*
* We still have to process-lines after
* the grid so have one more pl op
*/
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_IDLE;
else
/* Default - usually there's a pl after a tr */
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_IDLE;
op_idx++;
if (p_tr) {
p_tr[tr_idx].set_number = tr_set_num;
tr_set_num = 1 - tr_set_num;
}
tr_idx++;
}
/* process_lines */
if (pl_idx < num_of_process_lines) {
if (op_idx >= pl->max_op || pl_idx >= pl->max_tr)
return -EINVAL;
p_op[op_idx].op_type =
IMGU_ABI_ACC_OPTYPE_PROCESS_LINES;
if (pl_idx == 0)
if (num_of_process_lines == 1)
/* Only one pl op */
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_END_OF_ACK;
else
/* On init - do two pl ops */
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_IDLE;
else
/* Usually pl is the end of the ack cycle */
p_op[op_idx].op_indicator =
IMGU_ABI_ACC_OP_END_OF_ACK;
op_idx++;
if (pl_idx == 0)
/* First process line */
p_pl[pl_idx].lines = first_process_lines;
else if (pl_idx == num_of_sets - 1)
/* Last in grid */
p_pl[pl_idx].lines = last_process_lines_in_grid;
else if (pl_idx == num_of_process_lines - 1)
/* After the grid */
p_pl[pl_idx].lines = process_lines_after_grid;
else
/* Inside the grid */
p_pl[pl_idx].lines = process_lines;
if (p_tr) {
p_pl[pl_idx].cfg_set = pl_cfg_set;
pl_cfg_set = 1 - pl_cfg_set;
}
pl_idx++;
}
}
return 0;
}
static int imgu_css_af_ops_calc(struct imgu_css *css, unsigned int pipe,
struct imgu_abi_af_config *af_config)
{
struct imgu_abi_af_intra_frame_operations_data *to =
&af_config->operations_data;
struct imgu_css_pipe *css_pipe = &css->pipes[pipe];
struct imgu_fw_info *bi =
&css->fwp->binary_header[css_pipe->bindex];
struct process_lines pl = {
.image_height = css_pipe->rect[IPU3_CSS_RECT_BDS].height,
.grid_height = af_config->config.grid_cfg.height,
.block_height =
1 << af_config->config.grid_cfg.block_height_log2,
.y_start = af_config->config.grid_cfg.y_start &
IPU3_UAPI_GRID_START_MASK,
.grid_height_per_slice =
af_config->stripes[0].grid_cfg.height_per_slice,
.max_op = IMGU_ABI_AF_MAX_OPERATIONS,
.max_tr = IMGU_ABI_AF_MAX_TRANSFERS,
.acc_enable = bi->info.isp.sp.enable.af,
};
return imgu_css_acc_process_lines(&pl, to->ops, to->process_lines_data,
NULL);
}
static int
imgu_css_awb_fr_ops_calc(struct imgu_css *css, unsigned int pipe,
struct imgu_abi_awb_fr_config *awb_fr_config)
{
struct imgu_abi_awb_fr_intra_frame_operations_data *to =
&awb_fr_config->operations_data;
struct imgu_css_pipe *css_pipe = &css->pipes[pipe];
struct imgu_fw_info *bi =
&css->fwp->binary_header[css_pipe->bindex];
struct process_lines pl = {
.image_height = css_pipe->rect[IPU3_CSS_RECT_BDS].height,
.grid_height = awb_fr_config->config.grid_cfg.height,
.block_height =
1 << awb_fr_config->config.grid_cfg.block_height_log2,
.y_start = awb_fr_config->config.grid_cfg.y_start &
IPU3_UAPI_GRID_START_MASK,
.grid_height_per_slice =
awb_fr_config->stripes[0].grid_cfg.height_per_slice,
.max_op = IMGU_ABI_AWB_FR_MAX_OPERATIONS,
.max_tr = IMGU_ABI_AWB_FR_MAX_PROCESS_LINES,
.acc_enable = bi->info.isp.sp.enable.awb_fr_acc,
};
return imgu_css_acc_process_lines(&pl, to->ops, to->process_lines_data,
NULL);
}
static int imgu_css_awb_ops_calc(struct imgu_css *css, unsigned int pipe,
struct imgu_abi_awb_config *awb_config)
{
struct imgu_abi_awb_intra_frame_operations_data *to =
&awb_config->operations_data;
struct imgu_css_pipe *css_pipe = &css->pipes[pipe];
struct imgu_fw_info *bi =
&css->fwp->binary_header[css_pipe->bindex];
struct process_lines pl = {
.image_height = css_pipe->rect[IPU3_CSS_RECT_BDS].height,
.grid_height = awb_config->config.grid.height,
.block_height =
1 << awb_config->config.grid.block_height_log2,
.y_start = awb_config->config.grid.y_start,
.grid_height_per_slice =
awb_config->stripes[0].grid.height_per_slice,
.max_op = IMGU_ABI_AWB_MAX_OPERATIONS,
.max_tr = IMGU_ABI_AWB_MAX_TRANSFERS,
.acc_enable = bi->info.isp.sp.enable.awb_acc,
};
return imgu_css_acc_process_lines(&pl, to->ops, to->process_lines_data,
to->transfer_data);
}
static u16 imgu_css_grid_end(u16 start, u8 width, u8 block_width_log2)
{
return (start & IPU3_UAPI_GRID_START_MASK) +
(width << block_width_log2) - 1;
}
static void imgu_css_grid_end_calc(struct ipu3_uapi_grid_config *grid_cfg)
{
grid_cfg->x_end = imgu_css_grid_end(grid_cfg->x_start, grid_cfg->width,
grid_cfg->block_width_log2);
grid_cfg->y_end = imgu_css_grid_end(grid_cfg->y_start, grid_cfg->height,
grid_cfg->block_height_log2);
}
/****************** config computation *****************************/
static int imgu_css_cfg_acc_stripe(struct imgu_css *css, unsigned int pipe,
struct imgu_abi_acc_param *acc)
{
struct imgu_css_pipe *css_pipe = &css->pipes[pipe];
const struct imgu_fw_info *bi =
&css->fwp->binary_header[css_pipe->bindex];
struct imgu_css_scaler_info scaler_luma, scaler_chroma;
const unsigned int stripes = bi->info.isp.sp.iterator.num_stripes;
const unsigned int f = IPU3_UAPI_ISP_VEC_ELEMS * 2;
unsigned int bds_ds, i;
memset(acc, 0, sizeof(*acc));
/* acc_param: osys_config */
if (imgu_css_osys_calc(css, pipe, stripes, &acc->osys, &scaler_luma,
&scaler_chroma, acc->stripe.block_stripes))
return -EINVAL;
/* acc_param: stripe data */
/*
* For the striped case the approach is as follows:
* 1. down-scaled stripes are calculated - with 128 overlap
* (this is the main limiter therefore it's first)
* 2. input stripes are derived by up-scaling the down-scaled stripes
* (there are no alignment requirements on input stripes)
* 3. output stripes are derived from down-scaled stripes too
*/
acc->stripe.num_of_stripes = stripes;
acc->stripe.input_frame.width =
css_pipe->queue[IPU3_CSS_QUEUE_IN].fmt.mpix.width;
acc->stripe.input_frame.height =
css_pipe->queue[IPU3_CSS_QUEUE_IN].fmt.mpix.height;
acc->stripe.input_frame.bayer_order =
css_pipe->queue[IPU3_CSS_QUEUE_IN].css_fmt->bayer_order;
for (i = 0; i < stripes; i++)
acc->stripe.bds_out_stripes[i].height =
css_pipe->rect[IPU3_CSS_RECT_BDS].height;
acc->stripe.bds_out_stripes[0].offset = 0;
if (stripes <= 1) {
acc->stripe.bds_out_stripes[0].width =
ALIGN(css_pipe->rect[IPU3_CSS_RECT_BDS].width, f);
} else {
/* Image processing is divided into two stripes */
acc->stripe.bds_out_stripes[0].width =
acc->stripe.bds_out_stripes[1].width =
(css_pipe->rect[IPU3_CSS_RECT_BDS].width / 2 & ~(f - 1)) + f;
/*
* Sum of width of the two stripes should not be smaller
* than output width and must be even times of overlapping
* unit f.
*/
if ((css_pipe->rect[IPU3_CSS_RECT_BDS].width / f & 1) !=
!!(css_pipe->rect[IPU3_CSS_RECT_BDS].width & (f - 1)))
acc->stripe.bds_out_stripes[0].width += f;
if ((css_pipe->rect[IPU3_CSS_RECT_BDS].width / f & 1) &&
(css_pipe->rect[IPU3_CSS_RECT_BDS].width & (f - 1))) {
acc->stripe.bds_out_stripes[0].width += f;
acc->stripe.bds_out_stripes[1].width += f;
}
/* Overlap between stripes is IPU3_UAPI_ISP_VEC_ELEMS * 4 */
acc->stripe.bds_out_stripes[1].offset =
acc->stripe.bds_out_stripes[0].width - 2 * f;
}
acc->stripe.effective_stripes[0].height =
css_pipe->rect[IPU3_CSS_RECT_EFFECTIVE].height;
acc->stripe.effective_stripes[0].offset = 0;
acc->stripe.bds_out_stripes_no_overlap[0].height =
css_pipe->rect[IPU3_CSS_RECT_BDS].height;
acc->stripe.bds_out_stripes_no_overlap[0].offset = 0;
acc->stripe.output_stripes[0].height =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.height;
acc->stripe.output_stripes[0].offset = 0;
if (stripes <= 1) {
acc->stripe.down_scaled_stripes[0].width =
css_pipe->rect[IPU3_CSS_RECT_BDS].width;
acc->stripe.down_scaled_stripes[0].height =
css_pipe->rect[IPU3_CSS_RECT_BDS].height;
acc->stripe.down_scaled_stripes[0].offset = 0;
acc->stripe.effective_stripes[0].width =
css_pipe->rect[IPU3_CSS_RECT_EFFECTIVE].width;
acc->stripe.bds_out_stripes_no_overlap[0].width =
ALIGN(css_pipe->rect[IPU3_CSS_RECT_BDS].width, f);
acc->stripe.output_stripes[0].width =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.width;
} else { /* Two stripes */
bds_ds = css_pipe->rect[IPU3_CSS_RECT_EFFECTIVE].width *
IMGU_BDS_GRANULARITY /
css_pipe->rect[IPU3_CSS_RECT_BDS].width;
acc->stripe.down_scaled_stripes[0] =
acc->stripe.bds_out_stripes[0];
acc->stripe.down_scaled_stripes[1] =
acc->stripe.bds_out_stripes[1];
if (!IS_ALIGNED(css_pipe->rect[IPU3_CSS_RECT_BDS].width, f))
acc->stripe.down_scaled_stripes[1].width +=
(css_pipe->rect[IPU3_CSS_RECT_BDS].width
& (f - 1)) - f;
acc->stripe.effective_stripes[0].width = bds_ds *
acc->stripe.down_scaled_stripes[0].width /
IMGU_BDS_GRANULARITY;
acc->stripe.effective_stripes[1].width = bds_ds *
acc->stripe.down_scaled_stripes[1].width /
IMGU_BDS_GRANULARITY;
acc->stripe.effective_stripes[1].height =
css_pipe->rect[IPU3_CSS_RECT_EFFECTIVE].height;
acc->stripe.effective_stripes[1].offset = bds_ds *
acc->stripe.down_scaled_stripes[1].offset /
IMGU_BDS_GRANULARITY;
acc->stripe.bds_out_stripes_no_overlap[0].width =
acc->stripe.bds_out_stripes_no_overlap[1].offset =
ALIGN(css_pipe->rect[IPU3_CSS_RECT_BDS].width, 2 * f) / 2;
acc->stripe.bds_out_stripes_no_overlap[1].width =
DIV_ROUND_UP(css_pipe->rect[IPU3_CSS_RECT_BDS].width, f)
/ 2 * f;
acc->stripe.bds_out_stripes_no_overlap[1].height =
css_pipe->rect[IPU3_CSS_RECT_BDS].height;
acc->stripe.output_stripes[0].width =
acc->stripe.down_scaled_stripes[0].width - f;
acc->stripe.output_stripes[1].width =
acc->stripe.down_scaled_stripes[1].width - f;
acc->stripe.output_stripes[1].height =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.height;
acc->stripe.output_stripes[1].offset =
acc->stripe.output_stripes[0].width;
}
acc->stripe.output_system_in_frame_width =
css_pipe->rect[IPU3_CSS_RECT_GDC].width;
acc->stripe.output_system_in_frame_height =
css_pipe->rect[IPU3_CSS_RECT_GDC].height;
acc->stripe.effective_frame_width =
css_pipe->rect[IPU3_CSS_RECT_EFFECTIVE].width;
acc->stripe.bds_frame_width = css_pipe->rect[IPU3_CSS_RECT_BDS].width;
acc->stripe.out_frame_width =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.width;
acc->stripe.out_frame_height =
css_pipe->queue[IPU3_CSS_QUEUE_OUT].fmt.mpix.height;
acc->stripe.gdc_in_buffer_width =
css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_REF].bytesperline /
css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_REF].bytesperpixel;
acc->stripe.gdc_in_buffer_height =
css_pipe->aux_frames[IPU3_CSS_AUX_FRAME_REF].height;
acc->stripe.gdc_in_buffer_offset_x = IMGU_GDC_BUF_X;
acc->stripe.gdc_in_buffer_offset_y = IMGU_GDC_BUF_Y;
acc->stripe.display_frame_width =
css_pipe->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.width;
acc->stripe.display_frame_height =
css_pipe->queue[IPU3_CSS_QUEUE_VF].fmt.mpix.height;
acc->stripe.bds_aligned_frame_width =
roundup(css_pipe->rect[IPU3_CSS_RECT_BDS].width,
2 * IPU3_UAPI_ISP_VEC_ELEMS);
if (stripes > 1)
acc->stripe.half_overlap_vectors =
IMGU_STRIPE_FIXED_HALF_OVERLAP;
else
acc->stripe.half_overlap_vectors = 0;
return 0;
}
static void imgu_css_cfg_acc_dvs(struct imgu_css *css,
struct imgu_abi_acc_param *acc,
unsigned int pipe)
{
unsigned int i;
struct imgu_css_pipe *css_pipe = &css->pipes[pipe];
/* Disable DVS statistics */
acc->dvs_stat.operations_data.process_lines_data[0].lines =
css_pipe->rect[IPU3_CSS_RECT_BDS].height;
acc->dvs_stat.operations_data.process_lines_data[0].cfg_set = 0;
acc->dvs_stat.operations_data.ops[0].op_type =
IMGU_ABI_ACC_OPTYPE_PROCESS_LINES;
acc->dvs_stat.operations_data.ops[0].op_indicator =
IMGU_ABI_ACC_OP_NO_OPS;
for (i = 0; i < IMGU_ABI_DVS_STAT_LEVELS; i++)
acc->dvs_stat.cfg.grd_config[i].enable = 0;
}
static void acc_bds_per_stripe_data(struct imgu_css *css,
struct imgu_abi_acc_param *acc,
const int i, unsigned int pipe)
{
struct imgu_css_pipe *css_pipe = &css->pipes[pipe];
acc->bds.per_stripe.aligned_data[i].data.crop.hor_crop_en = 0;
acc->bds.per_stripe.aligned_data[i].data.crop.hor_crop_start = 0;
acc->bds.per_stripe.aligned_data[i].data.crop.hor_crop_end = 0;
acc->bds.per_stripe.aligned_data[i].data.hor_ctrl0 =
acc->bds.hor.hor_ctrl0;
acc->bds.per_stripe.aligned_data[i].data.hor_ctrl0.out_frame_width =
acc->stripe.down_scaled_stripes[i].width;
acc->bds.per_stripe.aligned_data[i].data.ver_ctrl1.out_frame_width =
acc->stripe.down_scaled_stripes[i].width;
acc->bds.per_stripe.aligned_data[i].data.ver_ctrl1.out_frame_height =
css_pipe->rect[IPU3_CSS_RECT_BDS].height;
}
/*
* Configure `acc' parameters. `acc_old' contains the old values (or is NULL)
* and `acc_user' contains new prospective values. `use' contains flags
* telling which fields to take from the old values (or generate if it is NULL)
* and which to take from the new user values.
*/
int imgu_css_cfg_acc(struct imgu_css *css, unsigned int pipe,
struct ipu3_uapi_flags *use,
struct imgu_abi_acc_param *acc,
struct imgu_abi_acc_param *acc_old,
struct ipu3_uapi_acc_param *acc_user)
{
struct imgu_css_pipe *css_pipe = &css->pipes[pipe];
const struct imgu_fw_info *bi =
&css->fwp->binary_header[css_pipe->bindex];
const unsigned int stripes = bi->info.isp.sp.iterator.num_stripes;
const unsigned int tnr_frame_width =
acc->stripe.bds_aligned_frame_width;
const unsigned int min_overlap = 10;
const struct v4l2_pix_format_mplane *pixm =
&css_pipe->queue[IPU3_CSS_QUEUE_IN].fmt.mpix;
const struct imgu_css_bds_config *cfg_bds;
struct imgu_abi_input_feeder_data *feeder_data;
unsigned int bds_ds, ofs_x, ofs_y, i, width, height;
u8 b_w_log2; /* Block width log2 */
/* Update stripe using chroma and luma */
if (imgu_css_cfg_acc_stripe(css, pipe, acc))
return -EINVAL;
/* acc_param: input_feeder_config */
ofs_x = ((pixm->width -
css_pipe->rect[IPU3_CSS_RECT_EFFECTIVE].width) >> 1) & ~1;
ofs_x += css_pipe->queue[IPU3_CSS_QUEUE_IN].css_fmt->bayer_order ==
IMGU_ABI_BAYER_ORDER_RGGB ||
css_pipe->queue[IPU3_CSS_QUEUE_IN].css_fmt->bayer_order ==
IMGU_ABI_BAYER_ORDER_GBRG ? 1 : 0;
ofs_y = ((pixm->height -
css_pipe->rect[IPU3_CSS_RECT_EFFECTIVE].height) >> 1) & ~1;
ofs_y += css_pipe->queue[IPU3_CSS_QUEUE_IN].css_fmt->bayer_order ==
IMGU_ABI_BAYER_ORDER_BGGR ||
css_pipe->queue[IPU3_CSS_QUEUE_IN].css_fmt->bayer_order ==
IMGU_ABI_BAYER_ORDER_GBRG ? 1 : 0;
acc->input_feeder.data.row_stride = pixm->plane_fmt[0].bytesperline;
acc->input_feeder.data.start_row_address =
ofs_x / IMGU_PIXELS_PER_WORD * IMGU_BYTES_PER_WORD +
ofs_y * acc->input_feeder.data.row_stride;
acc->input_feeder.data.start_pixel = ofs_x % IMGU_PIXELS_PER_WORD;
acc->input_feeder.data_per_stripe.input_feeder_data[0].data =
acc->input_feeder.data;
ofs_x += acc->stripe.effective_stripes[1].offset;
feeder_data =
&acc->input_feeder.data_per_stripe.input_feeder_data[1].data;
feeder_data->row_stride = acc->input_feeder.data.row_stride;
feeder_data->start_row_address =
ofs_x / IMGU_PIXELS_PER_WORD * IMGU_BYTES_PER_WORD +
ofs_y * acc->input_feeder.data.row_stride;
feeder_data->start_pixel = ofs_x % IMGU_PIXELS_PER_WORD;
/* acc_param: bnr_static_config */
/*
* Originate from user or be the original default values if user has
* never set them before, when user gives a new set of parameters,
* for each chunk in the parameter structure there is a flag use->xxx
* whether to use the user-provided parameter or not. If not, the
* parameter remains unchanged in the driver:
* it's value is taken from acc_old.
*/
if (use && use->acc_bnr) {
/* Take values from user */
acc->bnr = acc_user->bnr;
} else if (acc_old) {
/* Use old value */
acc->bnr = acc_old->bnr;
} else {
/* Calculate from scratch */
acc->bnr = imgu_css_bnr_defaults;
}
acc->bnr.column_size = tnr_frame_width;
/* acc_param: bnr_static_config_green_disparity */
if (use && use->acc_green_disparity) {
/* Take values from user */
acc->green_disparity = acc_user->green_disparity;
} else if (acc_old) {
/* Use old value */
acc->green_disparity = acc_old->green_disparity;
} else {
/* Calculate from scratch */
memset(&acc->green_disparity, 0, sizeof(acc->green_disparity));
}
/* acc_param: dm_config */
if (use && use->acc_dm) {
/* Take values from user */
acc->dm = acc_user->dm;
} else if (acc_old) {
/* Use old value */
acc->dm = acc_old->dm;
} else {
/* Calculate from scratch */
acc->dm = imgu_css_dm_defaults;
}
acc->dm.frame_width = tnr_frame_width;
/* acc_param: ccm_mat_config */
if (use && use->acc_ccm) {
/* Take values from user */
acc->ccm = acc_user->ccm;
} else if (acc_old) {
/* Use old value */
acc->ccm = acc_old->ccm;
} else {
/* Calculate from scratch */
acc->ccm = imgu_css_ccm_defaults;
}
/* acc_param: gamma_config */
if (use && use->acc_gamma) {
/* Take values from user */
acc->gamma = acc_user->gamma;
} else if (acc_old) {
/* Use old value */
acc->gamma = acc_old->gamma;
} else {
/* Calculate from scratch */
acc->gamma.gc_ctrl.enable = 1;
acc->gamma.gc_lut = imgu_css_gamma_lut;
}
/* acc_param: csc_mat_config */
if (use && use->acc_csc) {
/* Take values from user */
acc->csc = acc_user->csc;
} else if (acc_old) {
/* Use old value */
acc->csc = acc_old->csc;
} else {
/* Calculate from scratch */
acc->csc = imgu_css_csc_defaults;
}
/* acc_param: cds_params */
if (use && use->acc_cds) {
/* Take values from user */
acc->cds = acc_user->cds;
} else if (acc_old) {
/* Use old value */
acc->cds = acc_old->cds;
} else {
/* Calculate from scratch */
acc->cds = imgu_css_cds_defaults;
}
/* acc_param: shd_config */
if (use && use->acc_shd) {
/* Take values from user */
acc->shd.shd = acc_user->shd.shd;
acc->shd.shd_lut = acc_user->shd.shd_lut;
} else if (acc_old) {
/* Use old value */
acc->shd.shd = acc_old->shd.shd;
acc->shd.shd_lut = acc_old->shd.shd_lut;
} else {
/* Calculate from scratch */
acc->shd.shd = imgu_css_shd_defaults;
memset(&acc->shd.shd_lut, 0, sizeof(acc->shd.shd_lut));
}
if (acc->shd.shd.grid.width <= 0)
return -EINVAL;
acc->shd.shd.grid.grid_height_per_slice =
IMGU_ABI_SHD_MAX_CELLS_PER_SET / acc->shd.shd.grid.width;
if (acc->shd.shd.grid.grid_height_per_slice <= 0)
return -EINVAL;
acc->shd.shd.general.init_set_vrt_offst_ul =
(-acc->shd.shd.grid.y_start >>
acc->shd.shd.grid.block_height_log2) %
acc->shd.shd.grid.grid_height_per_slice;
if (imgu_css_shd_ops_calc(&acc->shd.shd_ops, &acc->shd.shd.grid,
css_pipe->rect[IPU3_CSS_RECT_BDS].height))
return -EINVAL;
/* acc_param: dvs_stat_config */
imgu_css_cfg_acc_dvs(css, acc, pipe);
/* acc_param: yuvp1_iefd_config */
if (use && use->acc_iefd) {
/* Take values from user */
acc->iefd = acc_user->iefd;
} else if (acc_old) {
/* Use old value */
acc->iefd = acc_old->iefd;
} else {
/* Calculate from scratch */
acc->iefd = imgu_css_iefd_defaults;
}
/* acc_param: yuvp1_yds_config yds_c0 */
if (use && use->acc_yds_c0) {
/* Take values from user */
acc->yds_c0 = acc_user->yds_c0;
} else if (acc_old) {
/* Use old value */
acc->yds_c0 = acc_old->yds_c0;
} else {
/* Calculate from scratch */
acc->yds_c0 = imgu_css_yds_defaults;
}
/* acc_param: yuvp1_chnr_config chnr_c0 */
if (use && use->acc_chnr_c0) {
/* Take values from user */
acc->chnr_c0 = acc_user->chnr_c0;
} else if (acc_old) {
/* Use old value */
acc->chnr_c0 = acc_old->chnr_c0;
} else {
/* Calculate from scratch */
acc->chnr_c0 = imgu_css_chnr_defaults;
}
/* acc_param: yuvp1_y_ee_nr_config */
if (use && use->acc_y_ee_nr) {
/* Take values from user */
acc->y_ee_nr = acc_user->y_ee_nr;
} else if (acc_old) {
/* Use old value */
acc->y_ee_nr = acc_old->y_ee_nr;
} else {
/* Calculate from scratch */
acc->y_ee_nr = imgu_css_y_ee_nr_defaults;
}
/* acc_param: yuvp1_yds_config yds */
if (use && use->acc_yds) {
/* Take values from user */
acc->yds = acc_user->yds;
} else if (acc_old) {
/* Use old value */
acc->yds = acc_old->yds;
} else {
/* Calculate from scratch */
acc->yds = imgu_css_yds_defaults;
}
/* acc_param: yuvp1_chnr_config chnr */
if (use && use->acc_chnr) {
/* Take values from user */
acc->chnr = acc_user->chnr;
} else if (acc_old) {
/* Use old value */
acc->chnr = acc_old->chnr;
} else {
/* Calculate from scratch */
acc->chnr = imgu_css_chnr_defaults;
}
/* acc_param: yuvp2_y_tm_lut_static_config */
for (i = 0; i < IMGU_ABI_YUVP2_YTM_LUT_ENTRIES; i++)
acc->ytm.entries[i] = i * 32;
acc->ytm.enable = 0; /* Always disabled on IPU3 */
/* acc_param: yuvp1_yds_config yds2 */
if (use && use->acc_yds2) {
/* Take values from user */
acc->yds2 = acc_user->yds2;
} else if (acc_old) {
/* Use old value */
acc->yds2 = acc_old->yds2;
} else {
/* Calculate from scratch */
acc->yds2 = imgu_css_yds_defaults;
}
/* acc_param: yuvp2_tcc_static_config */
if (use && use->acc_tcc) {
/* Take values from user */
acc->tcc = acc_user->tcc;
} else if (acc_old) {
/* Use old value */
acc->tcc = acc_old->tcc;
} else {
/* Calculate from scratch */
memset(&acc->tcc, 0, sizeof(acc->tcc));
acc->tcc.gen_control.en = 1;
acc->tcc.gen_control.blend_shift = 3;
acc->tcc.gen_control.gain_according_to_y_only = 1;
acc->tcc.gen_control.gamma = 8;
acc->tcc.gen_control.delta = 0;
for (i = 0; i < IPU3_UAPI_YUVP2_TCC_MACC_TABLE_ELEMENTS; i++) {
acc->tcc.macc_table.entries[i].a = 1024;
acc->tcc.macc_table.entries[i].b = 0;
acc->tcc.macc_table.entries[i].c = 0;
acc->tcc.macc_table.entries[i].d = 1024;
}
acc->tcc.inv_y_lut.entries[6] = 1023;
for (i = 7; i < IPU3_UAPI_YUVP2_TCC_INV_Y_LUT_ELEMENTS; i++)
acc->tcc.inv_y_lut.entries[i] = 1024 >> (i - 6);
acc->tcc.gain_pcwl = imgu_css_tcc_gain_pcwl_lut;
acc->tcc.r_sqr_lut = imgu_css_tcc_r_sqr_lut;
}
/* acc_param: dpc_config */
if (use && use->acc_dpc)
return -EINVAL; /* Not supported yet */
/* Just disable by default */
memset(&acc->dpc, 0, sizeof(acc->dpc));
/* acc_param: bds_config */
bds_ds = (css_pipe->rect[IPU3_CSS_RECT_EFFECTIVE].height *
IMGU_BDS_GRANULARITY) / css_pipe->rect[IPU3_CSS_RECT_BDS].height;
if (bds_ds < IMGU_BDS_MIN_SF_INV ||
bds_ds - IMGU_BDS_MIN_SF_INV >= ARRAY_SIZE(imgu_css_bds_configs))
return -EINVAL;
cfg_bds = &imgu_css_bds_configs[bds_ds - IMGU_BDS_MIN_SF_INV];
acc->bds.hor.hor_ctrl1.hor_crop_en = 0;
acc->bds.hor.hor_ctrl1.hor_crop_start = 0;
acc->bds.hor.hor_ctrl1.hor_crop_end = 0;
acc->bds.hor.hor_ctrl0.sample_patrn_length =
cfg_bds->sample_patrn_length;
acc->bds.hor.hor_ctrl0.hor_ds_en = cfg_bds->hor_ds_en;
acc->bds.hor.hor_ctrl0.min_clip_val = IMGU_BDS_MIN_CLIP_VAL;
acc->bds.hor.hor_ctrl0.max_clip_val = IMGU_BDS_MAX_CLIP_VAL;
acc->bds.hor.hor_ctrl0.out_frame_width =
css_pipe->rect[IPU3_CSS_RECT_BDS].width;
acc->bds.hor.hor_ptrn_arr = cfg_bds->ptrn_arr;
acc->bds.hor.hor_phase_arr = cfg_bds->hor_phase_arr;
acc->bds.hor.hor_ctrl2.input_frame_height =
css_pipe->rect[IPU3_CSS_RECT_EFFECTIVE].height;
acc->bds.ver.ver_ctrl0.min_clip_val = IMGU_BDS_MIN_CLIP_VAL;
acc->bds.ver.ver_ctrl0.max_clip_val = IMGU_BDS_MAX_CLIP_VAL;
acc->bds.ver.ver_ctrl0.sample_patrn_length =
cfg_bds->sample_patrn_length;
acc->bds.ver.ver_ctrl0.ver_ds_en = cfg_bds->ver_ds_en;
acc->bds.ver.ver_ptrn_arr = cfg_bds->ptrn_arr;
acc->bds.ver.ver_phase_arr = cfg_bds->ver_phase_arr;
acc->bds.ver.ver_ctrl1.out_frame_width =
css_pipe->rect[IPU3_CSS_RECT_BDS].width;
acc->bds.ver.ver_ctrl1.out_frame_height =
css_pipe->rect[IPU3_CSS_RECT_BDS].height;
for (i = 0; i < stripes; i++)
acc_bds_per_stripe_data(css, acc, i, pipe);
acc->bds.enabled = cfg_bds->hor_ds_en || cfg_bds->ver_ds_en;
/* acc_param: anr_config */
if (use && use->acc_anr) {
/* Take values from user */
acc->anr.transform = acc_user->anr.transform;
acc->anr.stitch.anr_stitch_en =
acc_user->anr.stitch.anr_stitch_en;
memcpy(acc->anr.stitch.pyramid, acc_user->anr.stitch.pyramid,
sizeof(acc->anr.stitch.pyramid));
} else if (acc_old) {
/* Use old value */
acc->anr.transform = acc_old->anr.transform;
acc->anr.stitch.anr_stitch_en =
acc_old->anr.stitch.anr_stitch_en;
memcpy(acc->anr.stitch.pyramid, acc_old->anr.stitch.pyramid,
sizeof(acc->anr.stitch.pyramid));
} else {
/* Calculate from scratch */
acc->anr = imgu_css_anr_defaults;
}
/* Always enabled */
acc->anr.search.enable = 1;
acc->anr.transform.enable = 1;
acc->anr.tile2strm.enable = 1;
acc->anr.tile2strm.frame_width =
ALIGN(css_pipe->rect[IPU3_CSS_RECT_BDS].width, IMGU_ISP_VMEM_ALIGN);
acc->anr.search.frame_width = acc->anr.tile2strm.frame_width;
acc->anr.stitch.frame_width = acc->anr.tile2strm.frame_width;
acc->anr.tile2strm.frame_height = css_pipe->rect[IPU3_CSS_RECT_BDS].height;
acc->anr.search.frame_height = acc->anr.tile2strm.frame_height;
acc->anr.stitch.frame_height = acc->anr.tile2strm.frame_height;
width = ALIGN(css_pipe->rect[IPU3_CSS_RECT_BDS].width, IMGU_ISP_VMEM_ALIGN);
height = css_pipe->rect[IPU3_CSS_RECT_BDS].height;
if (acc->anr.transform.xreset + width > IPU3_UAPI_ANR_MAX_RESET)
acc->anr.transform.xreset = IPU3_UAPI_ANR_MAX_RESET - width;
if (acc->anr.transform.xreset < IPU3_UAPI_ANR_MIN_RESET)
acc->anr.transform.xreset = IPU3_UAPI_ANR_MIN_RESET;
if (acc->anr.transform.yreset + height > IPU3_UAPI_ANR_MAX_RESET)
acc->anr.transform.yreset = IPU3_UAPI_ANR_MAX_RESET - height;
if (acc->anr.transform.yreset < IPU3_UAPI_ANR_MIN_RESET)
acc->anr.transform.yreset = IPU3_UAPI_ANR_MIN_RESET;
/* acc_param: awb_fr_config */
if (use && use->acc_awb_fr) {
/* Take values from user */
acc->awb_fr.config = acc_user->awb_fr;
} else if (acc_old) {
/* Use old value */
acc->awb_fr.config = acc_old->awb_fr.config;
} else {
/* Set from scratch */
acc->awb_fr.config = imgu_css_awb_fr_defaults;
}
imgu_css_grid_end_calc(&acc->awb_fr.config.grid_cfg);
if (acc->awb_fr.config.grid_cfg.width <= 0)
return -EINVAL;
acc->awb_fr.config.grid_cfg.height_per_slice =
IMGU_ABI_AWB_FR_MAX_CELLS_PER_SET /
acc->awb_fr.config.grid_cfg.width;
for (i = 0; i < stripes; i++)
acc->awb_fr.stripes[i] = acc->awb_fr.config;
if (acc->awb_fr.config.grid_cfg.x_start >=
acc->stripe.down_scaled_stripes[1].offset + min_overlap) {
/* Enable only for rightmost stripe, disable left */
acc->awb_fr.stripes[0].grid_cfg.y_start &=
~IPU3_UAPI_GRID_Y_START_EN;
} else if (acc->awb_fr.config.grid_cfg.x_end <=
acc->stripe.bds_out_stripes[0].width - min_overlap) {
/* Enable only for leftmost stripe, disable right */
acc->awb_fr.stripes[1].grid_cfg.y_start &=
~IPU3_UAPI_GRID_Y_START_EN;
} else {
/* Enable for both stripes */
u16 end; /* width for grid end */
acc->awb_fr.stripes[0].grid_cfg.width =
(acc->stripe.bds_out_stripes[0].width - min_overlap -
acc->awb_fr.config.grid_cfg.x_start + 1) >>
acc->awb_fr.config.grid_cfg.block_width_log2;
acc->awb_fr.stripes[1].grid_cfg.width =
acc->awb_fr.config.grid_cfg.width -
acc->awb_fr.stripes[0].grid_cfg.width;
b_w_log2 = acc->awb_fr.stripes[0].grid_cfg.block_width_log2;
end = imgu_css_grid_end(acc->awb_fr.stripes[0].grid_cfg.x_start,
acc->awb_fr.stripes[0].grid_cfg.width,
b_w_log2);
acc->awb_fr.stripes[0].grid_cfg.x_end = end;
acc->awb_fr.stripes[1].grid_cfg.x_start =
(acc->awb_fr.stripes[0].grid_cfg.x_end + 1 -
acc->stripe.down_scaled_stripes[1].offset) &
IPU3_UAPI_GRID_START_MASK;
b_w_log2 = acc->awb_fr.stripes[1].grid_cfg.block_width_log2;
end = imgu_css_grid_end(acc->awb_fr.stripes[1].grid_cfg.x_start,
acc->awb_fr.stripes[1].grid_cfg.width,
b_w_log2);
acc->awb_fr.stripes[1].grid_cfg.x_end = end;
/*
* To reduce complexity of debubbling and loading
* statistics fix grid_height_per_slice to 1 for both
* stripes.
*/
for (i = 0; i < stripes; i++)
acc->awb_fr.stripes[i].grid_cfg.height_per_slice = 1;
}
if (imgu_css_awb_fr_ops_calc(css, pipe, &acc->awb_fr))
return -EINVAL;
/* acc_param: ae_config */
if (use && use->acc_ae) {
/* Take values from user */
acc->ae.grid_cfg = acc_user->ae.grid_cfg;
acc->ae.ae_ccm = acc_user->ae.ae_ccm;
for (i = 0; i < IPU3_UAPI_AE_WEIGHTS; i++)
acc->ae.weights[i] = acc_user->ae.weights[i];
} else if (acc_old) {
/* Use old value */
acc->ae.grid_cfg = acc_old->ae.grid_cfg;
acc->ae.ae_ccm = acc_old->ae.ae_ccm;
for (i = 0; i < IPU3_UAPI_AE_WEIGHTS; i++)
acc->ae.weights[i] = acc_old->ae.weights[i];
} else {
/* Set from scratch */
static const struct ipu3_uapi_ae_weight_elem
weight_def = { 1, 1, 1, 1, 1, 1, 1, 1 };
acc->ae.grid_cfg = imgu_css_ae_grid_defaults;
acc->ae.ae_ccm = imgu_css_ae_ccm_defaults;
for (i = 0; i < IPU3_UAPI_AE_WEIGHTS; i++)
acc->ae.weights[i] = weight_def;
}
b_w_log2 = acc->ae.grid_cfg.block_width_log2;
acc->ae.grid_cfg.x_end = imgu_css_grid_end(acc->ae.grid_cfg.x_start,
acc->ae.grid_cfg.width,
b_w_log2);
b_w_log2 = acc->ae.grid_cfg.block_height_log2;
acc->ae.grid_cfg.y_end = imgu_css_grid_end(acc->ae.grid_cfg.y_start,
acc->ae.grid_cfg.height,
b_w_log2);
for (i = 0; i < stripes; i++)
acc->ae.stripes[i].grid = acc->ae.grid_cfg;
if (acc->ae.grid_cfg.x_start >=
acc->stripe.down_scaled_stripes[1].offset) {
/* Enable only for rightmost stripe, disable left */
acc->ae.stripes[0].grid.ae_en = 0;
} else if (acc->ae.grid_cfg.x_end <=
acc->stripe.bds_out_stripes[0].width) {
/* Enable only for leftmost stripe, disable right */
acc->ae.stripes[1].grid.ae_en = 0;
} else {
/* Enable for both stripes */
u8 b_w_log2;
acc->ae.stripes[0].grid.width =
(acc->stripe.bds_out_stripes[0].width -
acc->ae.grid_cfg.x_start + 1) >>
acc->ae.grid_cfg.block_width_log2;
acc->ae.stripes[1].grid.width =
acc->ae.grid_cfg.width - acc->ae.stripes[0].grid.width;
b_w_log2 = acc->ae.stripes[0].grid.block_width_log2;
acc->ae.stripes[0].grid.x_end =
imgu_css_grid_end(acc->ae.stripes[0].grid.x_start,
acc->ae.stripes[0].grid.width,
b_w_log2);
acc->ae.stripes[1].grid.x_start =
(acc->ae.stripes[0].grid.x_end + 1 -
acc->stripe.down_scaled_stripes[1].offset) &
IPU3_UAPI_GRID_START_MASK;
b_w_log2 = acc->ae.stripes[1].grid.block_width_log2;
acc->ae.stripes[1].grid.x_end =
imgu_css_grid_end(acc->ae.stripes[1].grid.x_start,
acc->ae.stripes[1].grid.width,
b_w_log2);
}
/* acc_param: af_config */
if (use && use->acc_af) {
/* Take values from user */
acc->af.config.filter_config = acc_user->af.filter_config;
acc->af.config.grid_cfg = acc_user->af.grid_cfg;
} else if (acc_old) {
/* Use old value */
acc->af.config = acc_old->af.config;
} else {
/* Set from scratch */
acc->af.config.filter_config =
imgu_css_af_defaults.filter_config;
acc->af.config.grid_cfg = imgu_css_af_defaults.grid_cfg;
}
imgu_css_grid_end_calc(&acc->af.config.grid_cfg);
if (acc->af.config.grid_cfg.width <= 0)
return -EINVAL;
acc->af.config.grid_cfg.height_per_slice =
IMGU_ABI_AF_MAX_CELLS_PER_SET / acc->af.config.grid_cfg.width;
acc->af.config.frame_size.width =
ALIGN(css_pipe->rect[IPU3_CSS_RECT_BDS].width, IMGU_ISP_VMEM_ALIGN);
acc->af.config.frame_size.height =
css_pipe->rect[IPU3_CSS_RECT_BDS].height;
if (acc->stripe.bds_out_stripes[0].width <= min_overlap)
return -EINVAL;
for (i = 0; i < stripes; i++) {
acc->af.stripes[i].grid_cfg = acc->af.config.grid_cfg;
acc->af.stripes[i].frame_size.height =
css_pipe->rect[IPU3_CSS_RECT_BDS].height;
acc->af.stripes[i].frame_size.width =
acc->stripe.bds_out_stripes[i].width;
}
if (acc->af.config.grid_cfg.x_start >=
acc->stripe.down_scaled_stripes[1].offset + min_overlap) {
/* Enable only for rightmost stripe, disable left */
acc->af.stripes[0].grid_cfg.y_start &=
~IPU3_UAPI_GRID_Y_START_EN;
} else if (acc->af.config.grid_cfg.x_end <=
acc->stripe.bds_out_stripes[0].width - min_overlap) {
/* Enable only for leftmost stripe, disable right */
acc->af.stripes[1].grid_cfg.y_start &=
~IPU3_UAPI_GRID_Y_START_EN;
} else {
/* Enable for both stripes */
acc->af.stripes[0].grid_cfg.width =
(acc->stripe.bds_out_stripes[0].width - min_overlap -
acc->af.config.grid_cfg.x_start + 1) >>
acc->af.config.grid_cfg.block_width_log2;
acc->af.stripes[1].grid_cfg.width =
acc->af.config.grid_cfg.width -
acc->af.stripes[0].grid_cfg.width;
b_w_log2 = acc->af.stripes[0].grid_cfg.block_width_log2;
acc->af.stripes[0].grid_cfg.x_end =
imgu_css_grid_end(acc->af.stripes[0].grid_cfg.x_start,
acc->af.stripes[0].grid_cfg.width,
b_w_log2);
acc->af.stripes[1].grid_cfg.x_start =
(acc->af.stripes[0].grid_cfg.x_end + 1 -
acc->stripe.down_scaled_stripes[1].offset) &
IPU3_UAPI_GRID_START_MASK;
b_w_log2 = acc->af.stripes[1].grid_cfg.block_width_log2;
acc->af.stripes[1].grid_cfg.x_end =
imgu_css_grid_end(acc->af.stripes[1].grid_cfg.x_start,
acc->af.stripes[1].grid_cfg.width,
b_w_log2);
/*
* To reduce complexity of debubbling and loading statistics
* fix grid_height_per_slice to 1 for both stripes
*/
for (i = 0; i < stripes; i++)
acc->af.stripes[i].grid_cfg.height_per_slice = 1;
}
if (imgu_css_af_ops_calc(css, pipe, &acc->af))
return -EINVAL;
/* acc_param: awb_config */
if (use && use->acc_awb) {
/* Take values from user */
acc->awb.config = acc_user->awb.config;
} else if (acc_old) {
/* Use old value */
acc->awb.config = acc_old->awb.config;
} else {
/* Set from scratch */
acc->awb.config = imgu_css_awb_defaults;
}