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135 lines
4.2 KiB
135 lines
4.2 KiB
/*
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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 TREZORHAL_XDISPLAY_H
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#define TREZORHAL_XDISPLAY_H
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#include <stdint.h>
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#include "gl_dma2d.h"
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#include TREZOR_BOARD
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// This is a universal API for controlling different types of display
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// controllers.
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//
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// Currently, following displays displays are supported
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//
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// VG-2864KSWEG01 - OLED Mono / 128x64 pixels / SPI
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// - Model T1B1 / Model T2B1
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//
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// UG-2828SWIG01 - OLED Mono / 128x128 pixels / Parallel
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// - Early revisions of T2B1
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//
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// ST7789V - TFT RGB / 240x240 pixels / Parallel
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// - Model T2T1 / Model T3T1
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//
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// ILI9341 - TFT RGB / 320x240 pixels / Parallel / LTDC + SPI
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// - STM32F429I-DISC1 Discovery Board
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//
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// MIPI -
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// - STM32U5A9J-DK Discovery Board
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// Fully initializes the display controller.
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void display_init(void);
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// Called in application to reinitialize an already initialized display
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// controller without any distrubing visible effect (blinking, etc.).
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void display_reinit(void);
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// Waits for any backround operations (such as DMA copying)
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// and returns.
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//
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// The function provides a barrier when jumping between
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// boardloader/bootloader and firmware.
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void display_finish_actions(void);
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// Sets display backlight level ranging from 0 (off)..255 (maximum).
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//
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// The default backligt level is 0. Without settings it
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// to some higher value the displayed pixels are not visible.
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// Beware that his also applies to the emulator.
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//
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// Returns the set level (usually the same value or the
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// closest value to the `level` argument)
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int display_set_backlight(int level);
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// Gets current display level ranging from 0 (off)..255 (maximum).
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int display_get_backlight(void);
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// Sets the display orientation.
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//
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// May accept one of following values: 0, 90, 180, 270
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// but accepted values are model-dependent.
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// Default display orientation is always 0.
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//
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// Returns the set orientation
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int display_set_orientation(int angle);
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// Gets the display's current orientation
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//
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// Returned value is one of 0, 90, 180, 270.
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int display_get_orientation(void);
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#ifdef XFRAMEBUFFER
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// Provides pointer to the inactive (writeable) framebuffer.
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//
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// If framebuffer is not available yet due to display refreshing etc.,
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// the function may block until the buffer is ready to write.
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void *display_get_frame_addr(void);
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#else // XFRAMEBUFFER
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// Waits for the vertical synchronization pulse.
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//
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// Used for synchronization with the display refresh cycle
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// to achieve tearless UX if possible when not using a frame buffer.
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void display_wait_for_sync(void);
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#endif
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// Swaps the frame buffers
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//
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// The function waits for vertical synchronization and
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// swaps the active (currently displayed) and the inactive frame buffers.
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void display_refresh(void);
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//
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void display_set_compatible_settings(void);
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// Functions for drawing on the display
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// Fills a rectangle with a specified color
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void display_fill(const dma2d_params_t *dp);
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// Copies an RGB565 bitmap to a specified rectangle
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void display_copy_rgb565(const dma2d_params_t *dp);
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// Copies a MONO4 bitmap to a specified rectangle
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void display_copy_mono4(const dma2d_params_t *dp);
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// Copies a MONO1P bitmap to a specified rectangle
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void display_copy_mono1p(const dma2d_params_t *dp);
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// Save the screen content to a file.
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//
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// The function is available only on the emulator
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const char *display_save(const char *prefix);
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void display_clear_save(void);
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#include "xdisplay_legacy.h"
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#endif // TREZORHAL_XDISPLAY_H
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