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146 lines
4.0 KiB
146 lines
4.0 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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#include <stdint.h>
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#include <string.h>
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#include TREZOR_BOARD
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#include STM32_HAL_H
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#include "display_internal.h"
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#include "xdisplay.h"
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#if (DISPLAY_RESX != 240) || (DISPLAY_RESY != 240)
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#error "Incompatible display resolution"
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#endif
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// Display driver context.
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typedef struct {
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// Current display orientation (0, 90, 180, 270)
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int orientation_angle;
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// Current backlight level ranging from 0 to 255
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int backlight_level;
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} display_driver_t;
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// Display driver instance
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static display_driver_t g_display_driver;
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void display_init(void) {
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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// Initializes the common periph clock
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_LTDC | RCC_PERIPHCLK_DSI;
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PeriphClkInit.DsiClockSelection = RCC_DSICLKSOURCE_PLL3;
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PeriphClkInit.LtdcClockSelection = RCC_LTDCCLKSOURCE_PLL3;
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PeriphClkInit.PLL3.PLL3Source = RCC_PLLSOURCE_HSE;
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PeriphClkInit.PLL3.PLL3M = 4;
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PeriphClkInit.PLL3.PLL3N = 125;
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PeriphClkInit.PLL3.PLL3P = 8;
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PeriphClkInit.PLL3.PLL3Q = 2;
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PeriphClkInit.PLL3.PLL3R = 24;
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PeriphClkInit.PLL3.PLL3RGE = RCC_PLLVCIRANGE_0;
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PeriphClkInit.PLL3.PLL3FRACN = 0;
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PeriphClkInit.PLL3.PLL3ClockOut = RCC_PLL3_DIVP | RCC_PLL3_DIVR;
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HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
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// Clear framebuffers
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memset(physical_frame_buffer_0, 0x00, PHYSICAL_FRAME_BUFFER_SIZE);
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memset(physical_frame_buffer_1, 0x00, PHYSICAL_FRAME_BUFFER_SIZE);
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BSP_LCD_Init(0, LCD_ORIENTATION_PORTRAIT);
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BSP_LCD_SetBrightness(0, 100);
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BSP_LCD_DisplayOn(0);
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}
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void display_reinit(void) {
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BSP_LCD_Reinit(0);
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if (current_frame_buffer == 0) {
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BSP_LCD_SetFrameBuffer(0, GFXMMU_VIRTUAL_BUFFER1_BASE_S);
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} else {
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BSP_LCD_SetFrameBuffer(0, GFXMMU_VIRTUAL_BUFFER0_BASE_S);
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}
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}
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void display_finish_actions(void) {
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// Not used and intentionally left empty
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}
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int display_set_backlight(int level) {
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display_driver_t *drv = &g_display_driver;
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// Just emulation, not doing anything
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drv->backlight_level = level;
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return level;
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}
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int display_get_backlight(void) {
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display_driver_t *drv = &g_display_driver;
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return drv->orientation_angle;
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}
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int display_set_orientation(int angle) {
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display_driver_t *drv = &g_display_driver;
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if (angle == 0 || angle == 90 || angle == 180 || angle == 270) {
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// Just emulation, not doing anything
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drv->orientation_angle = angle;
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}
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return drv->orientation_angle;
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}
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int display_get_orientation(void) {
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display_driver_t *drv = &g_display_driver;
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return drv->orientation_angle;
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}
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void display_set_compatible_settings() {}
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void display_fill(const gl_bitblt_t *bb) {
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display_fb_info_t fb = display_get_frame_buffer();
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gl_bitblt_t bb_new = *bb;
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bb_new.dst_row = (uint8_t *)fb.ptr + (fb.stride * bb_new.dst_y);
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bb_new.dst_stride = fb.stride;
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rgba8888_fill(&bb_new);
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}
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void display_copy_rgb565(const gl_bitblt_t *bb) {
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display_fb_info_t fb = display_get_frame_buffer();
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gl_bitblt_t bb_new = *bb;
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bb_new.dst_row = (uint8_t *)fb.ptr + (fb.stride * bb_new.dst_y);
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bb_new.dst_stride = fb.stride;
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rgba8888_copy_rgb565(&bb_new);
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}
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void display_copy_mono4(const gl_bitblt_t *bb) {
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display_fb_info_t fb = display_get_frame_buffer();
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gl_bitblt_t bb_new = *bb;
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bb_new.dst_row = (uint8_t *)fb.ptr + (fb.stride * bb_new.dst_y);
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bb_new.dst_stride = fb.stride;
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rgba8888_copy_mono4(&bb_new);
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}
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