mirror of
https://github.com/trezor/trezor-firmware.git
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106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _BUFFERS_H
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#define _BUFFERS_H
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#include <stdbool.h>
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#include "common.h"
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#include TREZOR_BOARD
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#define BUFFER_PIXELS DISPLAY_RESX
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#define TEXT_BUFFER_HEIGHT 36
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#if TEXT_BUFFER_HEIGHT < FONT_MAX_HEIGHT
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#error Text buffer height is too small, please adjust to match used fonts
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#endif
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#define LINE_BUFFER_16BPP_SIZE (BUFFER_PIXELS * 2)
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#define LINE_BUFFER_4BPP_SIZE (BUFFER_PIXELS / 2)
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#define TEXT_BUFFER_SIZE ((BUFFER_PIXELS * TEXT_BUFFER_HEIGHT) / 2)
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#define JPEG_BUFFER_SIZE (BUFFER_PIXELS * 16)
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// 3100 is needed according to tjpgd docs,
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// 256 because we need non overlapping memory in rust
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// 6 << 10 is for huffman decoding table
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// 1000 bytes reserve, as we discovered that we are running out of memory
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// sometimes
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#define JPEG_WORK_SIZE (3100 + 256 + (6 << 10) + 1000)
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#if defined BOOTLOADER
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#define BUFFER_SECTION __attribute__((section(".buf")))
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#else
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#define BUFFER_SECTION
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#endif
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#if defined BOOTLOADER || defined TREZOR_EMULATOR
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#define NODMA_BUFFER_SECTION
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#else
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#define NODMA_BUFFER_SECTION __attribute__((section(".no_dma_buffers")))
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#endif
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typedef __attribute__((aligned(4))) struct {
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uint8_t buffer[LINE_BUFFER_16BPP_SIZE];
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} buffer_line_16bpp_t;
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typedef __attribute__((aligned(4))) struct {
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uint8_t buffer[LINE_BUFFER_4BPP_SIZE];
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} buffer_line_4bpp_t;
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typedef __attribute__((aligned(4))) struct {
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uint8_t buffer[TEXT_BUFFER_SIZE];
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} buffer_text_t;
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typedef __attribute__((aligned(4))) struct {
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uint16_t buffer[JPEG_BUFFER_SIZE];
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} buffer_jpeg_t;
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typedef __attribute__((aligned(4))) struct {
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uint8_t buffer[JPEG_WORK_SIZE];
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} buffer_jpeg_work_t;
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typedef __attribute__((aligned(4))) struct {
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uint16_t buffer[10][3][BUFFER_PIXELS];
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} buffer_blurring_t;
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extern const int32_t text_buffer_height;
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extern const int32_t buffer_width;
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buffer_line_16bpp_t* buffers_get_line_16bpp(bool clear);
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void buffers_free_line_16bpp(buffer_line_16bpp_t* buffer);
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buffer_line_4bpp_t* buffers_get_line_4bpp(bool clear);
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void buffers_free_line_4bpp(buffer_line_4bpp_t* buffer);
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buffer_text_t* buffers_get_text(bool clear);
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void buffers_free_text(buffer_text_t* buffer);
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buffer_jpeg_t* buffers_get_jpeg(bool clear);
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void buffers_free_jpeg(buffer_jpeg_t* buffer);
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buffer_jpeg_work_t* buffers_get_jpeg_work(bool clear);
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void buffers_free_jpeg_work(buffer_jpeg_work_t* buffer);
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buffer_blurring_t* buffers_get_blurring(bool clear);
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void buffers_free_blurring(buffer_blurring_t* buffer);
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#endif // _BUFFERS_H
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