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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 "hmm.h"
#include "ia_css_frame.h"
#include <math_support.h>
#include "assert_support.h"
#include "ia_css_debug.h"
#include "isp.h"
#include "sh_css_internal.h"
#include "atomisp_internal.h"
#define NV12_TILEY_TILE_WIDTH 128
#define NV12_TILEY_TILE_HEIGHT 32
/**************************************************************************
** Static functions declarations
**************************************************************************/
static void frame_init_plane(struct ia_css_frame_plane *plane,
unsigned int width,
unsigned int stride,
unsigned int height,
unsigned int offset);
static void frame_init_single_plane(struct ia_css_frame *frame,
struct ia_css_frame_plane *plane,
unsigned int height,
unsigned int subpixels_per_line,
unsigned int bytes_per_pixel);
static void frame_init_raw_single_plane(
struct ia_css_frame *frame,
struct ia_css_frame_plane *plane,
unsigned int height,
unsigned int subpixels_per_line,
unsigned int bits_per_pixel);
static void frame_init_mipi_plane(struct ia_css_frame *frame,
struct ia_css_frame_plane *plane,
unsigned int height,
unsigned int subpixels_per_line,
unsigned int bytes_per_pixel);
static void frame_init_nv_planes(struct ia_css_frame *frame,
unsigned int horizontal_decimation,
unsigned int vertical_decimation,
unsigned int bytes_per_element);
static void frame_init_yuv_planes(struct ia_css_frame *frame,
unsigned int horizontal_decimation,
unsigned int vertical_decimation,
bool swap_uv,
unsigned int bytes_per_element);
static void frame_init_rgb_planes(struct ia_css_frame *frame,
unsigned int bytes_per_element);
static void frame_init_qplane6_planes(struct ia_css_frame *frame);
static int frame_allocate_buffer_data(struct ia_css_frame *frame);
static int frame_allocate_with_data(struct ia_css_frame **frame,
unsigned int width,
unsigned int height,
enum ia_css_frame_format format,
unsigned int padded_width,
unsigned int raw_bit_depth,
bool contiguous);
static struct ia_css_frame *frame_create(unsigned int width,
unsigned int height,
enum ia_css_frame_format format,
unsigned int padded_width,
unsigned int raw_bit_depth,
bool contiguous,
bool valid);
static unsigned
ia_css_elems_bytes_from_info(
const struct ia_css_frame_info *info);
/**************************************************************************
** CSS API functions, exposed by ia_css.h
**************************************************************************/
void ia_css_frame_zero(struct ia_css_frame *frame)
{
assert(frame);
hmm_set(frame->data, 0, frame->data_bytes);
}
int ia_css_frame_allocate_from_info(struct ia_css_frame **frame,
const struct ia_css_frame_info *info)
{
int err = 0;
if (!frame || !info)
return -EINVAL;
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_allocate_from_info() enter:\n");
err =
ia_css_frame_allocate(frame, info->res.width, info->res.height,
info->format, info->padded_width,
info->raw_bit_depth);
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_allocate_from_info() leave:\n");
return err;
}
int ia_css_frame_allocate(struct ia_css_frame **frame,
unsigned int width,
unsigned int height,
enum ia_css_frame_format format,
unsigned int padded_width,
unsigned int raw_bit_depth)
{
int err = 0;
if (!frame || width == 0 || height == 0)
return -EINVAL;
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_allocate() enter: width=%d, height=%d, format=%d, padded_width=%d, raw_bit_depth=%d\n",
width, height, format, padded_width, raw_bit_depth);
err = frame_allocate_with_data(frame, width, height, format,
padded_width, raw_bit_depth, false);
if ((*frame) && err == 0)
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_allocate() leave: frame=%p, data(DDR address)=0x%x\n", *frame,
(*frame)->data);
else
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_allocate() leave: frame=%p, data(DDR address)=0x%x\n",
(void *)-1, (unsigned int)-1);
return err;
}
int ia_css_frame_map(struct ia_css_frame **frame,
const struct ia_css_frame_info *info,
const void __user *data,
u16 attribute,
unsigned int pgnr)
{
int err = 0;
struct ia_css_frame *me;
assert(frame);
/* Create the frame structure */
err = ia_css_frame_create_from_info(&me, info);
if (err)
return err;
if (!err) {
if (pgnr < ((PAGE_ALIGN(me->data_bytes)) >> PAGE_SHIFT)) {
dev_err(atomisp_dev,
"user space memory size is less than the expected size..\n");
err = -ENOMEM;
goto error;
} else if (pgnr > ((PAGE_ALIGN(me->data_bytes)) >> PAGE_SHIFT)) {
dev_err(atomisp_dev,
"user space memory size is large than the expected size..\n");
err = -ENOMEM;
goto error;
}
me->data = hmm_alloc(me->data_bytes, HMM_BO_USER, 0, data,
attribute & ATOMISP_MAP_FLAG_CACHED);
if (me->data == mmgr_NULL)
err = -EINVAL;
}
error:
if (err) {
kvfree(me);
me = NULL;
}
*frame = me;
return err;
}
int ia_css_frame_create_from_info(struct ia_css_frame **frame,
const struct ia_css_frame_info *info)
{
int err = 0;
struct ia_css_frame *me;
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_create_from_info() enter:\n");
if (!frame || !info) {
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_create_from_info() leave: invalid arguments\n");
return -EINVAL;
}
me = frame_create(info->res.width,
info->res.height,
info->format,
info->padded_width,
info->raw_bit_depth,
false,
false);
if (!me) {
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_create_from_info() leave: frame create failed\n");
return -ENOMEM;
}
err = ia_css_frame_init_planes(me);
if (err) {
kvfree(me);
me = NULL;
}
*frame = me;
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_create_from_info() leave:\n");
return err;
}
int ia_css_frame_set_data(struct ia_css_frame *frame,
const ia_css_ptr mapped_data,
size_t data_bytes)
{
int err = 0;
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_set_data() enter:\n");
if (!frame) {
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_set_data() leave: NULL frame\n");
return -EINVAL;
}
/* If we are setting a valid data.
* Make sure that there is enough
* room for the expected frame format
*/
if ((mapped_data != mmgr_NULL) && (frame->data_bytes > data_bytes)) {
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_set_data() leave: invalid arguments\n");
return -EINVAL;
}
frame->data = mapped_data;
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, "ia_css_frame_set_data() leave:\n");
return err;
}
int ia_css_frame_allocate_contiguous(struct ia_css_frame **frame,
unsigned int width,
unsigned int height,
enum ia_css_frame_format format,
unsigned int padded_width,
unsigned int raw_bit_depth)
{
int err = 0;
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_allocate_contiguous() enter: width=%d, height=%d, format=%d, padded_width=%d, raw_bit_depth=%d\n",
width, height, format, padded_width, raw_bit_depth);
err = frame_allocate_with_data(frame, width, height, format,
padded_width, raw_bit_depth, true);
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_allocate_contiguous() leave: frame=%p\n",
frame ? *frame : (void *)-1);
return err;
}
int ia_css_frame_allocate_contiguous_from_info(
struct ia_css_frame **frame,
const struct ia_css_frame_info *info)
{
int err = 0;
assert(frame);
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_allocate_contiguous_from_info() enter:\n");
err = ia_css_frame_allocate_contiguous(frame,
info->res.width,
info->res.height,
info->format,
info->padded_width,
info->raw_bit_depth);
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_allocate_contiguous_from_info() leave:\n");
return err;
}
void ia_css_frame_free(struct ia_css_frame *frame)
{
IA_CSS_ENTER_PRIVATE("frame = %p", frame);
if (frame) {
hmm_free(frame->data);
kvfree(frame);
}
IA_CSS_LEAVE_PRIVATE("void");
}
/**************************************************************************
** Module public functions
**************************************************************************/
int ia_css_frame_check_info(const struct ia_css_frame_info *info)
{
assert(info);
if (info->res.width == 0 || info->res.height == 0)
return -EINVAL;
return 0;
}
int ia_css_frame_init_planes(struct ia_css_frame *frame)
{
assert(frame);
switch (frame->info.format) {
case IA_CSS_FRAME_FORMAT_MIPI:
frame_init_mipi_plane(frame, &frame->planes.raw,
frame->info.res.height,
frame->info.padded_width,
frame->info.raw_bit_depth <= 8 ? 1 : 2);
break;
case IA_CSS_FRAME_FORMAT_RAW_PACKED:
frame_init_raw_single_plane(frame, &frame->planes.raw,
frame->info.res.height,
frame->info.padded_width,
frame->info.raw_bit_depth);
break;
case IA_CSS_FRAME_FORMAT_RAW:
frame_init_single_plane(frame, &frame->planes.raw,
frame->info.res.height,
frame->info.padded_width,
frame->info.raw_bit_depth <= 8 ? 1 : 2);
break;
case IA_CSS_FRAME_FORMAT_RGB565:
frame_init_single_plane(frame, &frame->planes.rgb,
frame->info.res.height,
frame->info.padded_width, 2);
break;
case IA_CSS_FRAME_FORMAT_RGBA888:
frame_init_single_plane(frame, &frame->planes.rgb,
frame->info.res.height,
frame->info.padded_width * 4, 1);
break;
case IA_CSS_FRAME_FORMAT_PLANAR_RGB888:
frame_init_rgb_planes(frame, 1);
break;
/* yuyv and uyvu have the same frame layout, only the data
* positioning differs.
*/
case IA_CSS_FRAME_FORMAT_YUYV:
case IA_CSS_FRAME_FORMAT_UYVY:
case IA_CSS_FRAME_FORMAT_CSI_MIPI_YUV420_8:
case IA_CSS_FRAME_FORMAT_CSI_MIPI_LEGACY_YUV420_8:
frame_init_single_plane(frame, &frame->planes.yuyv,
frame->info.res.height,
frame->info.padded_width * 2, 1);
break;
case IA_CSS_FRAME_FORMAT_YUV_LINE:
/* Needs 3 extra lines to allow vf_pp prefetching */
frame_init_single_plane(frame, &frame->planes.yuyv,
frame->info.res.height * 3 / 2 + 3,
frame->info.padded_width, 1);
break;
case IA_CSS_FRAME_FORMAT_NV11:
frame_init_nv_planes(frame, 4, 1, 1);
break;
/* nv12 and nv21 have the same frame layout, only the data
* positioning differs.
*/
case IA_CSS_FRAME_FORMAT_NV12:
case IA_CSS_FRAME_FORMAT_NV21:
case IA_CSS_FRAME_FORMAT_NV12_TILEY:
frame_init_nv_planes(frame, 2, 2, 1);
break;
case IA_CSS_FRAME_FORMAT_NV12_16:
frame_init_nv_planes(frame, 2, 2, 2);
break;
/* nv16 and nv61 have the same frame layout, only the data
* positioning differs.
*/
case IA_CSS_FRAME_FORMAT_NV16:
case IA_CSS_FRAME_FORMAT_NV61:
frame_init_nv_planes(frame, 2, 1, 1);
break;
case IA_CSS_FRAME_FORMAT_YUV420:
frame_init_yuv_planes(frame, 2, 2, false, 1);
break;
case IA_CSS_FRAME_FORMAT_YUV422:
frame_init_yuv_planes(frame, 2, 1, false, 1);
break;
case IA_CSS_FRAME_FORMAT_YUV444:
frame_init_yuv_planes(frame, 1, 1, false, 1);
break;
case IA_CSS_FRAME_FORMAT_YUV420_16:
frame_init_yuv_planes(frame, 2, 2, false, 2);
break;
case IA_CSS_FRAME_FORMAT_YUV422_16:
frame_init_yuv_planes(frame, 2, 1, false, 2);
break;
case IA_CSS_FRAME_FORMAT_YV12:
frame_init_yuv_planes(frame, 2, 2, true, 1);
break;
case IA_CSS_FRAME_FORMAT_YV16:
frame_init_yuv_planes(frame, 2, 1, true, 1);
break;
case IA_CSS_FRAME_FORMAT_QPLANE6:
frame_init_qplane6_planes(frame);
break;
case IA_CSS_FRAME_FORMAT_BINARY_8:
frame_init_single_plane(frame, &frame->planes.binary.data,
frame->info.res.height,
frame->info.padded_width, 1);
frame->planes.binary.size = 0;
break;
default:
return -EINVAL;
}
return 0;
}
void ia_css_frame_info_set_width(struct ia_css_frame_info *info,
unsigned int width,
unsigned int min_padded_width)
{
unsigned int align;
IA_CSS_ENTER_PRIVATE("info = %p,width = %d, minimum padded width = %d",
info, width, min_padded_width);
if (!info) {
IA_CSS_ERROR("NULL input parameter");
IA_CSS_LEAVE_PRIVATE("");
return;
}
if (min_padded_width > width)
align = min_padded_width;
else
align = width;
info->res.width = width;
/* frames with a U and V plane of 8 bits per pixel need to have
all planes aligned, this means double the alignment for the
Y plane if the horizontal decimation is 2. */
if (info->format == IA_CSS_FRAME_FORMAT_YUV420 ||
info->format == IA_CSS_FRAME_FORMAT_YV12 ||
info->format == IA_CSS_FRAME_FORMAT_NV12 ||
info->format == IA_CSS_FRAME_FORMAT_NV21 ||
info->format == IA_CSS_FRAME_FORMAT_BINARY_8 ||
info->format == IA_CSS_FRAME_FORMAT_YUV_LINE)
info->padded_width =
CEIL_MUL(align, 2 * HIVE_ISP_DDR_WORD_BYTES);
else if (info->format == IA_CSS_FRAME_FORMAT_NV12_TILEY)
info->padded_width = CEIL_MUL(align, NV12_TILEY_TILE_WIDTH);
else if (info->format == IA_CSS_FRAME_FORMAT_RAW ||
info->format == IA_CSS_FRAME_FORMAT_RAW_PACKED)
info->padded_width = CEIL_MUL(align, 2 * ISP_VEC_NELEMS);
else {
info->padded_width = CEIL_MUL(align, HIVE_ISP_DDR_WORD_BYTES);
}
IA_CSS_LEAVE_PRIVATE("");
}
void ia_css_frame_info_set_format(struct ia_css_frame_info *info,
enum ia_css_frame_format format)
{
assert(info);
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_info_set_format() enter:\n");
info->format = format;
}
void ia_css_frame_info_init(struct ia_css_frame_info *info,
unsigned int width,
unsigned int height,
enum ia_css_frame_format format,
unsigned int aligned)
{
IA_CSS_ENTER_PRIVATE("info = %p, width = %d, height = %d, format = %d, aligned = %d",
info, width, height, format, aligned);
if (!info) {
IA_CSS_ERROR("NULL input parameter");
IA_CSS_LEAVE_PRIVATE("");
return;
}
info->res.height = height;
info->format = format;
ia_css_frame_info_set_width(info, width, aligned);
IA_CSS_LEAVE_PRIVATE("");
}
void ia_css_frame_free_multiple(unsigned int num_frames,
struct ia_css_frame **frames_array)
{
unsigned int i;
for (i = 0; i < num_frames; i++) {
if (frames_array[i]) {
ia_css_frame_free(frames_array[i]);
frames_array[i] = NULL;
}
}
}
int ia_css_frame_allocate_with_buffer_size(
struct ia_css_frame **frame,
const unsigned int buffer_size_bytes,
const bool contiguous)
{
/* AM: Body coppied from frame_allocate_with_data(). */
int err;
struct ia_css_frame *me = frame_create(0, 0,
IA_CSS_FRAME_FORMAT_NUM,/* Not valid format yet */
0, 0, contiguous, false);
if (!me)
return -ENOMEM;
/* Get the data size */
me->data_bytes = buffer_size_bytes;
err = frame_allocate_buffer_data(me);
if (err) {
kvfree(me);
me = NULL;
}
*frame = me;
return err;
}
bool ia_css_frame_info_is_same_resolution(
const struct ia_css_frame_info *info_a,
const struct ia_css_frame_info *info_b)
{
if (!info_a || !info_b)
return false;
return (info_a->res.width == info_b->res.width) &&
(info_a->res.height == info_b->res.height);
}
bool ia_css_frame_is_same_type(const struct ia_css_frame *frame_a,
const struct ia_css_frame *frame_b)
{
bool is_equal = false;
const struct ia_css_frame_info *info_a = &frame_a->info,
*info_b = &frame_b->info;
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_is_same_type() enter:\n");
if (!info_a || !info_b)
return false;
if (info_a->format != info_b->format)
return false;
if (info_a->padded_width != info_b->padded_width)
return false;
is_equal = ia_css_frame_info_is_same_resolution(info_a, info_b);
ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
"ia_css_frame_is_same_type() leave:\n");
return is_equal;
}
void
ia_css_dma_configure_from_info(
struct dma_port_config *config,
const struct ia_css_frame_info *info)
{
unsigned int is_raw_packed = info->format == IA_CSS_FRAME_FORMAT_RAW_PACKED;
unsigned int bits_per_pixel = is_raw_packed ? info->raw_bit_depth :
ia_css_elems_bytes_from_info(info) * 8;
unsigned int pix_per_ddrword = HIVE_ISP_DDR_WORD_BITS / bits_per_pixel;
unsigned int words_per_line = CEIL_DIV(info->padded_width, pix_per_ddrword);
unsigned int elems_b = pix_per_ddrword;
config->stride = HIVE_ISP_DDR_WORD_BYTES * words_per_line;
config->elems = (uint8_t)elems_b;
config->width = (uint16_t)info->res.width;
config->crop = 0;
assert(config->width <= info->padded_width);
}
/**************************************************************************
** Static functions
**************************************************************************/
static void frame_init_plane(struct ia_css_frame_plane *plane,
unsigned int width,
unsigned int stride,
unsigned int height,
unsigned int offset)
{
plane->height = height;
plane->width = width;
plane->stride = stride;
plane->offset = offset;
}
static void frame_init_single_plane(struct ia_css_frame *frame,
struct ia_css_frame_plane *plane,
unsigned int height,
unsigned int subpixels_per_line,
unsigned int bytes_per_pixel)
{
unsigned int stride;
stride = subpixels_per_line * bytes_per_pixel;
/* Frame height needs to be even number - needed by hw ISYS2401
In case of odd number, round up to even.
Images won't be impacted by this round up,
only needed by jpeg/embedded data.
As long as buffer allocation and release are using data_bytes,
there won't be memory leak. */
frame->data_bytes = stride * CEIL_MUL2(height, 2);
frame_init_plane(plane, subpixels_per_line, stride, height, 0);
return;
}
static void frame_init_raw_single_plane(
struct ia_css_frame *frame,
struct ia_css_frame_plane *plane,
unsigned int height,
unsigned int subpixels_per_line,
unsigned int bits_per_pixel)
{
unsigned int stride;
assert(frame);
stride = HIVE_ISP_DDR_WORD_BYTES *
CEIL_DIV(subpixels_per_line,
HIVE_ISP_DDR_WORD_BITS / bits_per_pixel);
frame->data_bytes = stride * height;
frame_init_plane(plane, subpixels_per_line, stride, height, 0);
return;
}
static void frame_init_mipi_plane(struct ia_css_frame *frame,
struct ia_css_frame_plane *plane,
unsigned int height,
unsigned int subpixels_per_line,
unsigned int bytes_per_pixel)
{
unsigned int stride;
stride = subpixels_per_line * bytes_per_pixel;
frame->data_bytes = 8388608; /* 8*1024*1024 */
frame->valid = false;
frame->contiguous = true;
frame_init_plane(plane, subpixels_per_line, stride, height, 0);
return;
}
static void frame_init_nv_planes(struct ia_css_frame *frame,
unsigned int horizontal_decimation,
unsigned int vertical_decimation,
unsigned int bytes_per_element)
{
unsigned int y_width = frame->info.padded_width;
unsigned int y_height = frame->info.res.height;
unsigned int uv_width;
unsigned int uv_height;
unsigned int y_bytes;
unsigned int uv_bytes;
unsigned int y_stride;
unsigned int uv_stride;
assert(horizontal_decimation != 0 && vertical_decimation != 0);
uv_width = 2 * (y_width / horizontal_decimation);
uv_height = y_height / vertical_decimation;
if (frame->info.format == IA_CSS_FRAME_FORMAT_NV12_TILEY) {
y_width = CEIL_MUL(y_width, NV12_TILEY_TILE_WIDTH);
uv_width = CEIL_MUL(uv_width, NV12_TILEY_TILE_WIDTH);
y_height = CEIL_MUL(y_height, NV12_TILEY_TILE_HEIGHT);
uv_height = CEIL_MUL(uv_height, NV12_TILEY_TILE_HEIGHT);
}
y_stride = y_width * bytes_per_element;
uv_stride = uv_width * bytes_per_element;
y_bytes = y_stride * y_height;
uv_bytes = uv_stride * uv_height;
frame->data_bytes = y_bytes + uv_bytes;
frame_init_plane(&frame->planes.nv.y, y_width, y_stride, y_height, 0);
frame_init_plane(&frame->planes.nv.uv, uv_width,
uv_stride, uv_height, y_bytes);
return;
}
static void frame_init_yuv_planes(struct ia_css_frame *frame,
unsigned int horizontal_decimation,
unsigned int vertical_decimation,
bool swap_uv,
unsigned int bytes_per_element)
{
unsigned int y_width = frame->info.padded_width,
y_height = frame->info.res.height,
uv_width = y_width / horizontal_decimation,
uv_height = y_height / vertical_decimation,
y_stride, y_bytes, uv_bytes, uv_stride;
y_stride = y_width * bytes_per_element;
uv_stride = uv_width * bytes_per_element;
y_bytes = y_stride * y_height;
uv_bytes = uv_stride * uv_height;
frame->data_bytes = y_bytes + 2 * uv_bytes;
frame_init_plane(&frame->planes.yuv.y, y_width, y_stride, y_height, 0);
if (swap_uv) {
frame_init_plane(&frame->planes.yuv.v, uv_width, uv_stride,
uv_height, y_bytes);
frame_init_plane(&frame->planes.yuv.u, uv_width, uv_stride,
uv_height, y_bytes + uv_bytes);
} else {
frame_init_plane(&frame->planes.yuv.u, uv_width, uv_stride,
uv_height, y_bytes);
frame_init_plane(&frame->planes.yuv.v, uv_width, uv_stride,
uv_height, y_bytes + uv_bytes);
}
return;
}
static void frame_init_rgb_planes(struct ia_css_frame *frame,
unsigned int bytes_per_element)
{
unsigned int width = frame->info.res.width,
height = frame->info.res.height, stride, bytes;
stride = width * bytes_per_element;
bytes = stride * height;
frame->data_bytes = 3 * bytes;
frame_init_plane(&frame->planes.planar_rgb.r, width, stride, height, 0);
frame_init_plane(&frame->planes.planar_rgb.g,
width, stride, height, 1 * bytes);
frame_init_plane(&frame->planes.planar_rgb.b,
width, stride, height, 2 * bytes);
return;
}
static void frame_init_qplane6_planes(struct ia_css_frame *frame)
{
unsigned int width = frame->info.padded_width / 2,
height = frame->info.res.height / 2, bytes, stride;
stride = width * 2;
bytes = stride * height;
frame->data_bytes = 6 * bytes;
frame_init_plane(&frame->planes.plane6.r,
width, stride, height, 0 * bytes);
frame_init_plane(&frame->planes.plane6.r_at_b,
width, stride, height, 1 * bytes);
frame_init_plane(&frame->planes.plane6.gr,
width, stride, height, 2 * bytes);
frame_init_plane(&frame->planes.plane6.gb,
width, stride, height, 3 * bytes);
frame_init_plane(&frame->planes.plane6.b,
width, stride, height, 4 * bytes);
frame_init_plane(&frame->planes.plane6.b_at_r,
width, stride, height, 5 * bytes);
return;
}
static int frame_allocate_buffer_data(struct ia_css_frame *frame)
{
#ifdef ISP2401
IA_CSS_ENTER_LEAVE_PRIVATE("frame->data_bytes=%d\n", frame->data_bytes);
#endif
frame->data = hmm_alloc(frame->data_bytes,
HMM_BO_PRIVATE, 0, NULL,
frame->contiguous ?
ATOMISP_MAP_FLAG_CONTIGUOUS : 0);
if (frame->data == mmgr_NULL)
return -ENOMEM;
return 0;
}
static int frame_allocate_with_data(struct ia_css_frame **frame,
unsigned int width,
unsigned int height,
enum ia_css_frame_format format,
unsigned int padded_width,
unsigned int raw_bit_depth,
bool contiguous)
{
int err;
struct ia_css_frame *me = frame_create(width,
height,
format,
padded_width,
raw_bit_depth,
contiguous,
true);
if (!me)
return -ENOMEM;
err = ia_css_frame_init_planes(me);
if (!err)
err = frame_allocate_buffer_data(me);
if (err) {
kvfree(me);
#ifndef ISP2401
return err;
#else
me = NULL;
#endif
}
*frame = me;
return err;
}
static struct ia_css_frame *frame_create(unsigned int width,
unsigned int height,
enum ia_css_frame_format format,
unsigned int padded_width,
unsigned int raw_bit_depth,
bool contiguous,
bool valid)
{
struct ia_css_frame *me = kvmalloc(sizeof(*me), GFP_KERNEL);
if (!me)
return NULL;
memset(me, 0, sizeof(*me));
me->info.res.width = width;
me->info.res.height = height;
me->info.format = format;
me->info.padded_width = padded_width;
me->info.raw_bit_depth = raw_bit_depth;
me->contiguous = contiguous;
me->valid = valid;
me->data_bytes = 0;
me->data = mmgr_NULL;
/* To indicate it is not valid frame. */
me->dynamic_queue_id = (int)SH_CSS_INVALID_QUEUE_ID;
me->buf_type = IA_CSS_BUFFER_TYPE_INVALID;
return me;
}
static unsigned
ia_css_elems_bytes_from_info(const struct ia_css_frame_info *info)
{
if (info->format == IA_CSS_FRAME_FORMAT_RGB565)
return 2; /* bytes per pixel */
if (info->format == IA_CSS_FRAME_FORMAT_YUV420_16)
return 2; /* bytes per pixel */
if (info->format == IA_CSS_FRAME_FORMAT_YUV422_16)
return 2; /* bytes per pixel */
/* Note: Essentially NV12_16 is a 2 bytes per pixel format, this return value is used
* to configure DMA for the output buffer,
* At least in SKC this data is overwritten by isp_output_init.sp.c except for elements(elems),
* which is configured from this return value,
* NV12_16 is implemented by a double buffer of 8 bit elements hence elems should be configured as 8 */
if (info->format == IA_CSS_FRAME_FORMAT_NV12_16)
return 1; /* bytes per pixel */
if (info->format == IA_CSS_FRAME_FORMAT_RAW
|| (info->format == IA_CSS_FRAME_FORMAT_RAW_PACKED)) {
if (info->raw_bit_depth)
return CEIL_DIV(info->raw_bit_depth, 8);
else
return 2; /* bytes per pixel */
}
if (info->format == IA_CSS_FRAME_FORMAT_PLANAR_RGB888)
return 3; /* bytes per pixel */
if (info->format == IA_CSS_FRAME_FORMAT_RGBA888)
return 4; /* bytes per pixel */
if (info->format == IA_CSS_FRAME_FORMAT_QPLANE6)
return 2; /* bytes per pixel */
return 1; /* Default is 1 byte per pixel */
}
void ia_css_frame_info_to_frame_sp_info(
struct ia_css_frame_sp_info *to,
const struct ia_css_frame_info *from)
{
ia_css_resolution_to_sp_resolution(&to->res, &from->res);
to->padded_width = (uint16_t)from->padded_width;
to->format = (uint8_t)from->format;
to->raw_bit_depth = (uint8_t)from->raw_bit_depth;
to->raw_bayer_order = from->raw_bayer_order;
}
void ia_css_resolution_to_sp_resolution(
struct ia_css_sp_resolution *to,
const struct ia_css_resolution *from)
{
to->width = (uint16_t)from->width;
to->height = (uint16_t)from->height;
}
/* ISP2401 */
int
ia_css_frame_find_crop_resolution(const struct ia_css_resolution *in_res,
const struct ia_css_resolution *out_res,
struct ia_css_resolution *crop_res) {
u32 wd_even_ceil, ht_even_ceil;
u32 in_ratio, out_ratio;
if ((!in_res) || (!out_res) || (!crop_res))
return -EINVAL;
IA_CSS_ENTER_PRIVATE("in(%ux%u) -> out(%ux%u)", in_res->width,
in_res->height, out_res->width, out_res->height);
if ((in_res->width == 0)
|| (in_res->height == 0)
|| (out_res->width == 0)
|| (out_res->height == 0))
return -EINVAL;
if ((out_res->width > in_res->width) ||
(out_res->height > in_res->height))
return -EINVAL;
/* If aspect ratio (width/height) of out_res is higher than the aspect
* ratio of the in_res, then we crop vertically, otherwise we crop
* horizontally.
*/
in_ratio = in_res->width * out_res->height;
out_ratio = out_res->width * in_res->height;
if (in_ratio == out_ratio)
{
crop_res->width = in_res->width;
crop_res->height = in_res->height;
} else if (out_ratio > in_ratio)
{
crop_res->width = in_res->width;
crop_res->height = ROUND_DIV(out_res->height * crop_res->width,
out_res->width);
} else
{
crop_res->height = in_res->height;
crop_res->width = ROUND_DIV(out_res->width * crop_res->height,
out_res->height);
}
/* Round new (cropped) width and height to an even number.
* binarydesc_calculate_bds_factor is such that we should consider as
* much of the input as possible. This is different only when we end up
* with an odd number in the last step. So, we take the next even number
* if it falls within the input, otherwise take the previous even no.
*/
wd_even_ceil = EVEN_CEIL(crop_res->width);
ht_even_ceil = EVEN_CEIL(crop_res->height);
if ((wd_even_ceil > in_res->width) || (ht_even_ceil > in_res->height))
{
crop_res->width = EVEN_FLOOR(crop_res->width);
crop_res->height = EVEN_FLOOR(crop_res->height);
} else
{
crop_res->width = wd_even_ceil;
crop_res->height = ht_even_ceil;
}
IA_CSS_LEAVE_PRIVATE("in(%ux%u) -> out(%ux%u)", crop_res->width,
crop_res->height, out_res->width, out_res->height);
return 0;
}
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