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refactor(core): switch DISC2 display driver to universal LTDC DSI implementation

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This commit is contained in:
tychovrahe 2024-12-02 14:20:08 +01:00 committed by TychoVrahe
parent 03a296f815
commit 3bc13b5707
8 changed files with 256 additions and 2040 deletions
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227
core/embed/io/display/stm32u5a9j-dk/display_gfxmmu_lut.h → core/embed/io/display/ltdc_dsi/panels/stm32u5a9j-dk/stm32u5a9j-dk.c
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@ -1,35 +1,9 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : gfxmmu_lut.h
* Description : header file for GFX MMU Configuration Table
******************************************************************************
* @attention
*
* Copyright (c) 2022 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __gfxmmu_lut_H
#define __gfxmmu_lut_H
#ifdef __cplusplus
extern "C" {
#endif
// GFX MMU Configuration Table
#ifdef KERNEL_MODE
#include <trezor_rtl.h>
#define GFXMMU_FB_SIZE 733936
#define GFXMMU_LUT_FIRST 0
#define GFXMMU_LUT_LAST 479
#define GFXMMU_LUT_SIZE 480
#include "../../display_internal.h"
static const uint32_t gfxmmu_lut_config[2 * GFXMMU_LUT_SIZE] = {
const uint32_t gfxmmu_lut_config[2 * GFXMMU_LUT_SIZE] = {
0x00413601, // GFXMMU_LUT0L
0x003FFCA0, // GFXMMU_LUT0H
0x00433401, // GFXMMU_LUT1L
@ -992,15 +966,188 @@ static const uint32_t gfxmmu_lut_config[2 * GFXMMU_LUT_SIZE] = {
0x000B2ED0 // GFXMMU_LUT479H
};
#ifdef __cplusplus
bool panel_init(display_driver_t* drv) {
HAL_StatusTypeDef ret;
/* CMD Mode */
uint8_t InitParam1[3] = {0xFF, 0x83, 0x79};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 3, 0xB9,
InitParam1);
if (ret != HAL_OK) {
return false;
}
/* SETPOWER */
uint8_t InitParam2[16] = {0x44, 0x1C, 0x1C, 0x37, 0x57, 0x90, 0xD0, 0xE2,
0x58, 0x80, 0x38, 0x38, 0xF8, 0x33, 0x34, 0x42};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 16, 0xB1,
InitParam2);
if (ret != HAL_OK) {
return false;
}
/* SETDISP */
uint8_t InitParam3[9] = {0x80, 0x14, 0x0C, 0x30, 0x20,
0x50, 0x11, 0x42, 0x1D};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 9, 0xB2,
InitParam3);
if (ret != HAL_OK) {
return false;
}
/* Set display cycle timing */
uint8_t InitParam4[10] = {0x01, 0xAA, 0x01, 0xAF, 0x01,
0xAF, 0x10, 0xEA, 0x1C, 0xEA};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 10, 0xB4,
InitParam4);
if (ret != HAL_OK) {
return false;
}
/* SETVCOM */
uint8_t InitParam5[4] = {00, 00, 00, 0xC0};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 4, 0xC7,
InitParam5);
if (ret != HAL_OK) {
return false;
}
/* Set Panel Related Registers */
ret = HAL_DSI_ShortWrite(&drv->hlcd_dsi, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xCC,
0x02);
if (ret != HAL_OK) {
return false;
}
ret = HAL_DSI_ShortWrite(&drv->hlcd_dsi, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xD2,
0x77);
if (ret != HAL_OK) {
return false;
}
uint8_t InitParam6[37] = {0x00, 0x07, 0x00, 0x00, 0x00, 0x08, 0x08, 0x32,
0x10, 0x01, 0x00, 0x01, 0x03, 0x72, 0x03, 0x72,
0x00, 0x08, 0x00, 0x08, 0x33, 0x33, 0x05, 0x05,
0x37, 0x05, 0x05, 0x37, 0x0A, 0x00, 0x00, 0x00,
0x0A, 0x00, 0x01, 0x00, 0x0E};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 37, 0xD3,
InitParam6);
if (ret != HAL_OK) {
return false;
}
uint8_t InitParam7[34] = {
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x19, 0x19, 0x18, 0x18,
0x18, 0x18, 0x19, 0x19, 0x01, 0x00, 0x03, 0x02, 0x05, 0x04, 0x07, 0x06,
0x23, 0x22, 0x21, 0x20, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 34, 0xD5,
InitParam7);
if (ret != HAL_OK) {
return false;
}
uint8_t InitParam8[32] = {0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
0x19, 0x19, 0x18, 0x18, 0x19, 0x19, 0x18, 0x18,
0x06, 0x07, 0x04, 0x05, 0x02, 0x03, 0x00, 0x01,
0x20, 0x21, 0x22, 0x23, 0x18, 0x18, 0x18, 0x18};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 35, 0xD6,
InitParam8);
if (ret != HAL_OK) {
return false;
}
/* SET GAMMA */
uint8_t InitParam9[42] = {
0x00, 0x16, 0x1B, 0x30, 0x36, 0x3F, 0x24, 0x40, 0x09, 0x0D, 0x0F,
0x18, 0x0E, 0x11, 0x12, 0x11, 0x14, 0x07, 0x12, 0x13, 0x18, 0x00,
0x17, 0x1C, 0x30, 0x36, 0x3F, 0x24, 0x40, 0x09, 0x0C, 0x0F, 0x18,
0x0E, 0x11, 0x14, 0x11, 0x12, 0x07, 0x12, 0x14, 0x18};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 42, 0xE0,
InitParam9);
if (ret != HAL_OK) {
return false;
}
uint8_t InitParam10[3] = {0x2C, 0x2C, 00};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 3, 0xB6,
InitParam10);
if (ret != HAL_OK) {
return false;
}
ret = HAL_DSI_ShortWrite(&drv->hlcd_dsi, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xBD,
0x00);
if (ret != HAL_OK) {
return false;
}
uint8_t InitParam11[] = {0x01, 0x00, 0x07, 0x0F, 0x16, 0x1F, 0x27, 0x30, 0x38,
0x40, 0x47, 0x4E, 0x56, 0x5D, 0x65, 0x6D, 0x74, 0x7D,
0x84, 0x8A, 0x90, 0x99, 0xA1, 0xA9, 0xB0, 0xB6, 0xBD,
0xC4, 0xCD, 0xD4, 0xDD, 0xE5, 0xEC, 0xF3, 0x36, 0x07,
0x1C, 0xC0, 0x1B, 0x01, 0xF1, 0x34, 0x00};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 42, 0xC1,
InitParam11);
if (ret != HAL_OK) {
return false;
}
ret = HAL_DSI_ShortWrite(&drv->hlcd_dsi, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xBD,
0x01);
if (ret != HAL_OK) {
return false;
}
uint8_t InitParam12[] = {0x00, 0x08, 0x0F, 0x16, 0x1F, 0x28, 0x31, 0x39, 0x41,
0x48, 0x51, 0x59, 0x60, 0x68, 0x70, 0x78, 0x7F, 0x87,
0x8D, 0x94, 0x9C, 0xA3, 0xAB, 0xB3, 0xB9, 0xC1, 0xC8,
0xD0, 0xD8, 0xE0, 0xE8, 0xEE, 0xF5, 0x3B, 0x1A, 0xB6,
0xA0, 0x07, 0x45, 0xC5, 0x37, 0x00};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 42, 0xC1,
InitParam12);
if (ret != HAL_OK) {
return false;
}
ret = HAL_DSI_ShortWrite(&drv->hlcd_dsi, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xBD,
0x02);
if (ret != HAL_OK) {
return false;
}
uint8_t InitParam13[42] = {
0x00, 0x09, 0x0F, 0x18, 0x21, 0x2A, 0x34, 0x3C, 0x45, 0x4C, 0x56,
0x5E, 0x66, 0x6E, 0x76, 0x7E, 0x87, 0x8E, 0x95, 0x9D, 0xA6, 0xAF,
0xB7, 0xBD, 0xC5, 0xCE, 0xD5, 0xDF, 0xE7, 0xEE, 0xF4, 0xFA, 0xFF,
0x0C, 0x31, 0x83, 0x3C, 0x5B, 0x56, 0x1E, 0x5A, 0xFF};
ret = HAL_DSI_LongWrite(&drv->hlcd_dsi, 0, DSI_DCS_LONG_PKT_WRITE, 42, 0xC1,
InitParam13);
if (ret != HAL_OK) {
return false;
}
ret = HAL_DSI_ShortWrite(&drv->hlcd_dsi, 0, DSI_DCS_SHORT_PKT_WRITE_P1, 0xBD,
0x00);
if (ret != HAL_OK) {
return false;
}
/* Exit Sleep Mode*/
ret = HAL_DSI_ShortWrite(&drv->hlcd_dsi, 0, DSI_DCS_SHORT_PKT_WRITE_P0, 0x11,
0x00);
if (ret != HAL_OK) {
return false;
}
HAL_Delay(120);
/* Display On */
ret = HAL_DSI_ShortWrite(&drv->hlcd_dsi, 0, DSI_DCS_SHORT_PKT_WRITE_P1,
DSI_SET_DISPLAY_ON, 0x00);
if (ret != HAL_OK) {
return false;
}
HAL_Delay(120);
return true;
}
#endif
#endif /*__ gfxmmu_lut_H */
/**
* @}
*/
/**
* @}
*/

55
core/embed/io/display/ltdc_dsi/panels/stm32u5a9j-dk/stm32u5a9j-dk.h Normal file
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@ -0,0 +1,55 @@
/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#define VSYNC 1
#define VBP 12
#define VFP 50
#define VACT 481
#define HSYNC 2
#define HBP 1
#define HFP 1
#define HACT 480
#define LCD_WIDTH 480
#define LCD_HEIGHT 480
#define LCD_Y_OFFSET 1
#define GFXMMU_FB_SIZE 733936
#define GFXMMU_LUT_FIRST 0
#define GFXMMU_LUT_LAST 479
#define GFXMMU_LUT_SIZE 480
#define PANEL_DSI_MODE DSI_VID_MODE_BURST
#define PANEL_DSI_LANES DSI_TWO_DATA_LANES
#define PANEL_LTDC_PIXEL_FORMAT LTDC_PIXEL_FORMAT_ARGB8888
// Size of the physical frame buffer in bytes
//
// It's smaller than size of the virtual frame buffer
// due to used GFXMMU settings
#define PHYSICAL_FRAME_BUFFER_SIZE (184320 * 4)
// Pitch (in pixels) of the virtual frame buffer
#define FRAME_BUFFER_PIXELS_PER_LINE 768
// Size of the virtual frame buffer in bytes
#define VIRTUAL_FRAME_BUFFER_SIZE \
(FRAME_BUFFER_PIXELS_PER_LINE * LCD_HEIGHT * 4)

226
core/embed/io/display/stm32u5a9j-dk/display_driver.c
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@ -1,226 +0,0 @@
/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <trezor_bsp.h>
#include <trezor_model.h>
#include <trezor_rtl.h>
#include <io/display.h>
#include <sys/mpu.h>
#include "display_internal.h"
#if (DISPLAY_RESX != 240) || (DISPLAY_RESY != 240)
#error "Incompatible display resolution"
#endif
#ifdef KERNEL_MODE
// Display driver instance
display_driver_t g_display_driver = {
.initialized = false,
};
void display_init(display_content_mode_t mode) {
display_driver_t *drv = &g_display_driver;
if (drv->initialized) {
return;
}
if (mode == DISPLAY_RESET_CONTENT) {
__HAL_RCC_DSI_FORCE_RESET();
__HAL_RCC_LTDC_FORCE_RESET();
__HAL_RCC_GFXMMU_FORCE_RESET();
__HAL_RCC_DSI_RELEASE_RESET();
__HAL_RCC_LTDC_RELEASE_RESET();
__HAL_RCC_GFXMMU_RELEASE_RESET();
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
// Initializes the common periph clock
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_LTDC | RCC_PERIPHCLK_DSI;
PeriphClkInit.DsiClockSelection = RCC_DSICLKSOURCE_PLL3;
PeriphClkInit.LtdcClockSelection = RCC_LTDCCLKSOURCE_PLL3;
PeriphClkInit.PLL3.PLL3Source = RCC_PLLSOURCE_HSE;
PeriphClkInit.PLL3.PLL3M = 4;
PeriphClkInit.PLL3.PLL3N = 125;
PeriphClkInit.PLL3.PLL3P = 8;
PeriphClkInit.PLL3.PLL3Q = 2;
PeriphClkInit.PLL3.PLL3R = 24;
PeriphClkInit.PLL3.PLL3RGE = RCC_PLLVCIRANGE_0;
PeriphClkInit.PLL3.PLL3FRACN = 0;
PeriphClkInit.PLL3.PLL3ClockOut = RCC_PLL3_DIVP | RCC_PLL3_DIVR;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
// Clear framebuffers
mpu_set_active_fb(physical_frame_buffer_0, PHYSICAL_FRAME_BUFFER_SIZE);
memset(physical_frame_buffer_0, 0x00, PHYSICAL_FRAME_BUFFER_SIZE);
mpu_set_active_fb(physical_frame_buffer_1, PHYSICAL_FRAME_BUFFER_SIZE);
memset(physical_frame_buffer_1, 0x00, PHYSICAL_FRAME_BUFFER_SIZE);
mpu_set_active_fb(NULL, 0);
BSP_LCD_Init(0, LCD_ORIENTATION_PORTRAIT);
BSP_LCD_SetBrightness(0, 100);
BSP_LCD_DisplayOn(0);
} else {
// Retain display content
BSP_LCD_Reinit(0);
if (drv->current_frame_buffer == 0) {
BSP_LCD_SetFrameBuffer(0, GFXMMU_VIRTUAL_BUFFER1_BASE_S);
} else {
BSP_LCD_SetFrameBuffer(0, GFXMMU_VIRTUAL_BUFFER0_BASE_S);
}
}
drv->initialized = true;
}
void display_deinit(display_content_mode_t mode) {
display_driver_t *drv = &g_display_driver;
if (!drv->initialized) {
if (mode == DISPLAY_RESET_CONTENT) {
__HAL_RCC_DSI_FORCE_RESET();
__HAL_RCC_LTDC_FORCE_RESET();
__HAL_RCC_GFXMMU_FORCE_RESET();
__HAL_RCC_DSI_RELEASE_RESET();
__HAL_RCC_LTDC_RELEASE_RESET();
__HAL_RCC_GFXMMU_RELEASE_RESET();
}
return;
}
if (mode == DISPLAY_RESET_CONTENT) {
BSP_LCD_DisplayOff(0);
BSP_LCD_SetBrightness(0, 0);
BSP_LCD_DeInit(0);
}
mpu_set_active_fb(NULL, 0);
drv->initialized = false;
}
int display_set_backlight(int level) {
display_driver_t *drv = &g_display_driver;
if (!drv->initialized) {
return 0;
}
// Just emulation, not doing anything
drv->backlight_level = level;
return level;
}
int display_get_backlight(void) {
display_driver_t *drv = &g_display_driver;
if (!drv->initialized) {
return 0;
}
return drv->orientation_angle;
}
int display_set_orientation(int angle) {
display_driver_t *drv = &g_display_driver;
if (!drv->initialized) {
return 0;
}
if (angle == 0 || angle == 90 || angle == 180 || angle == 270) {
// Just emulation, not doing anything
drv->orientation_angle = angle;
}
return drv->orientation_angle;
}
int display_get_orientation(void) {
display_driver_t *drv = &g_display_driver;
if (!drv->initialized) {
return 0;
}
return drv->orientation_angle;
}
void display_fill(const gfx_bitblt_t *bb) {
display_fb_info_t fb;
if (!display_get_frame_buffer(&fb)) {
return;
}
gfx_bitblt_t bb_new = *bb;
bb_new.dst_row = (uint8_t *)fb.ptr + (fb.stride * bb_new.dst_y);
bb_new.dst_stride = fb.stride;
gfx_rgba8888_fill(&bb_new);
}
void display_copy_rgb565(const gfx_bitblt_t *bb) {
display_fb_info_t fb;
if (!display_get_frame_buffer(&fb)) {
return;
}
gfx_bitblt_t bb_new = *bb;
bb_new.dst_row = (uint8_t *)fb.ptr + (fb.stride * bb_new.dst_y);
bb_new.dst_stride = fb.stride;
gfx_rgba8888_copy_rgb565(&bb_new);
}
void display_copy_mono1p(const gfx_bitblt_t *bb) {
display_fb_info_t fb;
if (!display_get_frame_buffer(&fb)) {
return;
}
gfx_bitblt_t bb_new = *bb;
bb_new.dst_row = (uint8_t *)fb.ptr + (fb.stride * bb_new.dst_y);
bb_new.dst_stride = fb.stride;
gfx_rgba8888_copy_mono1p(&bb_new);
}
void display_copy_mono4(const gfx_bitblt_t *bb) {
display_fb_info_t fb;
if (!display_get_frame_buffer(&fb)) {
return;
}
gfx_bitblt_t bb_new = *bb;
bb_new.dst_row = (uint8_t *)fb.ptr + (fb.stride * bb_new.dst_y);
bb_new.dst_stride = fb.stride;
gfx_rgba8888_copy_mono4(&bb_new);
}
#endif

124
core/embed/io/display/stm32u5a9j-dk/display_fb.c
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@ -1,124 +0,0 @@
/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <trezor_bsp.h>
#include <trezor_model.h>
#include <trezor_rtl.h>
#include <io/display.h>
#include <sys/mpu.h>
#include "display_internal.h"
#ifdef USE_TRUSTZONE
#include <sys/trustzone.h>
#endif
#ifdef KERNEL_MODE
// Physical frame buffers in internal SRAM memory
__attribute__((section(".fb1"), aligned(PHYSICAL_FRAME_BUFFER_ALIGNMENT)))
uint8_t physical_frame_buffer_0[PHYSICAL_FRAME_BUFFER_SIZE];
__attribute__((section(".fb2"), aligned(PHYSICAL_FRAME_BUFFER_ALIGNMENT)))
uint8_t physical_frame_buffer_1[PHYSICAL_FRAME_BUFFER_SIZE];
#ifdef USE_TRUSTZONE
void display_set_unpriv_access(bool unpriv) {
// To allow unprivileged access both GFXMMU virtual buffers area and
// underlying SRAM region must be configured as unprivileged.
// Order of GFXMMU and SRAM unprivileged access configuration is important
// to avoid the situation the virtual frame buffer has lower privileges
// than underlying frame buffer in physical memory so LTDC could not
// refresh the display properly.
if (!unpriv) {
tz_set_gfxmmu_unpriv(unpriv);
}
tz_set_sram_unpriv((uint32_t)physical_frame_buffer_0,
PHYSICAL_FRAME_BUFFER_SIZE, unpriv);
tz_set_sram_unpriv((uint32_t)physical_frame_buffer_1,
PHYSICAL_FRAME_BUFFER_SIZE, unpriv);
if (unpriv) {
tz_set_gfxmmu_unpriv(unpriv);
}
#ifdef USE_DMA2D
tz_set_dma2d_unpriv(unpriv);
#endif
}
#endif // USE_TRUSTZONE
bool display_get_frame_buffer(display_fb_info_t *fb) {
display_driver_t *drv = &g_display_driver;
if (!drv->initialized) {
fb->ptr = NULL;
fb->stride = 0;
return false;
}
uintptr_t addr;
if (drv->current_frame_buffer == 0) {
addr = GFXMMU_VIRTUAL_BUFFER1_BASE_S;
} else {
addr = GFXMMU_VIRTUAL_BUFFER0_BASE_S;
}
uint32_t fb_stride = FRAME_BUFFER_PIXELS_PER_LINE * sizeof(uint32_t);
// We do not utilize whole area of the display
// (discovery kit display is 480x480 and we need just 240x240)
addr += (480 - DISPLAY_RESY) / 2 * sizeof(uint32_t);
addr += (480 - DISPLAY_RESX) / 2 * fb_stride;
fb->ptr = (void *)addr;
fb->stride = fb_stride;
// Enable access to the frame buffer from the unprivileged code
mpu_set_active_fb(fb->ptr, VIRTUAL_FRAME_BUFFER_SIZE);
return true;
}
void display_refresh(void) {
display_driver_t *drv = &g_display_driver;
if (!drv->initialized) {
return;
}
// Disable access to the frame buffer from the unprivileged code
mpu_set_active_fb(NULL, 0);
if (drv->current_frame_buffer == 0) {
drv->current_frame_buffer = 1;
BSP_LCD_SetFrameBuffer(0, GFXMMU_VIRTUAL_BUFFER1_BASE_S);
} else {
drv->current_frame_buffer = 0;
BSP_LCD_SetFrameBuffer(0, GFXMMU_VIRTUAL_BUFFER0_BASE_S);
}
}
#endif

88
core/embed/io/display/stm32u5a9j-dk/display_internal.h
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@ -1,88 +0,0 @@
/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TREZOR_HAL_DISPLAY_INTERNAL_H
#define TREZOR_HAL_DISPLAY_INTERNAL_H
#include <trezor_types.h>
#include <rtl/sizedefs.h>
#ifdef USE_TRUSTZONE
#include <sys/trustzone.h>
#endif
// Display driver context.
typedef struct {
// Set if the driver is initialized
bool initialized;
// Current display orientation (0, 90, 180, 270)
int orientation_angle;
// Current backlight level ranging from 0 to 255
int backlight_level;
// The current frame buffer selector
uint32_t current_frame_buffer;
} display_driver_t;
// Display driver instance
extern display_driver_t g_display_driver;
// Hardware requires physical frame buffer alignment
#ifdef USE_TRUSTZONE
#define PHYSICAL_FRAME_BUFFER_ALIGNMENT TZ_SRAM_ALIGNMENT
#else
#define PHYSICAL_FRAME_BUFFER_ALIGNMENT 32
#endif
// Size of the physical frame buffer in bytes
//
// It's smaller than size of the virtual frame buffer
// due to used GFXMMU settings
#define PHYSICAL_FRAME_BUFFER_SIZE \
ALIGN_UP_CONST(184320 * 4, PHYSICAL_FRAME_BUFFER_ALIGNMENT)
// Pitch (in pixels) of the virtual frame buffer
#define FRAME_BUFFER_PIXELS_PER_LINE 768
// Size of the virtual frame buffer in bytes
#define VIRTUAL_FRAME_BUFFER_SIZE \
(FRAME_BUFFER_PIXELS_PER_LINE * DISPLAY_RESY * 4)
// Physical frame buffers in internal SRAM memory
//
// Both frame buffers layers in the fixed addresses that
// are shared between bootloaders and the firmware.
extern uint8_t physical_frame_buffer_0[PHYSICAL_FRAME_BUFFER_SIZE];
extern uint8_t physical_frame_buffer_1[PHYSICAL_FRAME_BUFFER_SIZE];
// LCD orientations
#define LCD_ORIENTATION_PORTRAIT 0U
#define LCD_ORIENTATION_LANDSCAPE 1U
#define LCD_ORIENTATION_PORTRAIT_ROT180 2U
#define LCD_ORIENTATION_LANDSCAPE_ROT180 3U
int32_t BSP_LCD_Init(uint32_t Instance, uint32_t Orientation);
int32_t BSP_LCD_DeInit(uint32_t Instance);
int32_t BSP_LCD_Reinit(uint32_t Instance);
int32_t BSP_LCD_SetBrightness(uint32_t Instance, uint32_t Brightness);
int32_t BSP_LCD_DisplayOn(uint32_t Instance);
int32_t BSP_LCD_DisplayOff(uint32_t Instance);
int32_t BSP_LCD_SetFrameBuffer(uint32_t Instance, uint32_t fb_addr);
#endif // TREZOR_HAL_DISPLAY_INTERNAL_H

1559
core/embed/io/display/stm32u5a9j-dk/display_ltdc_dsi.c
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File diff suppressed because it is too large Load Diff

8
core/embed/models/D002/boards/stm32u5g9j-dk.h
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@ -4,6 +4,14 @@
#define VDD_1V8 1
#define DISPLAY_COLOR_MODE DMA2D_OUTPUT_ARGB8888
#define DISPLAY_PANEL_STM32U5A9J_DK
#define DISPLAY_GFXMMU 1
#define DISPLAY_RESET_PIN GPIO_PIN_5
#define DISPLAY_RESET_PORT GPIOD
#define DISPLAY_RESET_CLK_ENA __HAL_RCC_GPIOD_CLK_ENABLE
#define DISPLAY_BACKLIGHT_PIN GPIO_PIN_6
#define DISPLAY_BACKLIGHT_PORT GPIOI
#define DISPLAY_BACKLIGHT_CLK_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
#define I2C_COUNT 1
#define I2C_INSTANCE_0 I2C5

9
core/site_scons/models/D002/discovery2.py
View File

@ -39,9 +39,12 @@ def configure(
]
sources += [
"embed/io/display/stm32u5a9j-dk/display_driver.c",
"embed/io/display/stm32u5a9j-dk/display_fb.c",
"embed/io/display/stm32u5a9j-dk/display_ltdc_dsi.c",
"embed/io/display/ltdc_dsi/display_driver.c",
"embed/io/display/ltdc_dsi/panels/stm32u5a9j-dk/stm32u5a9j-dk.c",
"embed/io/display/ltdc_dsi/display_fb.c",
"embed/io/display/ltdc_dsi/display_fb_rgb888.c",
"embed/io/display/ltdc_dsi/display_gfxmmu.c",
"embed/io/display/fb_queue/fb_queue.c",
]
paths += ["embed/io/display/inc"]