T3T1: use internal framebuffer

core/SConscript.bootloader

@@ -20,7 +20,7 @@ if TREZOR_MODEL in ('1', ):
  )
  Return()
 
-FEATURES_WANTED = ["input", "rgb_led", "consumption_mask", "usb", "optiga"]
+FEATURES_WANTED = ["input", "rgb_led", "consumption_mask", "usb", "optiga", "dma2d"]
 
 CCFLAGS_MOD = ''
 CPPPATH_MOD = []

core/embed/boardloader/main.c

@@ -275,6 +275,7 @@ int main(void) {
 
  display_init();
  display_clear();
+ display_refresh();
 
 #if defined USE_SD_CARD
  sdcard_init();

core/embed/boardloader/memory_stm32u58.ld

@@ -92,6 +92,7 @@ SECTIONS {
  __fb_start = .;
  *(.fb1*);
  *(.fb2*);
+ *(.framebuffer_select*);
  __fb_end = .;
  . = ALIGN(4);
  } >SRAM3

core/embed/bootloader/main.c

@@ -216,7 +216,6 @@ static usb_result_t bootloader_usb_loop(const vendor_header *const vhdr,
  hal_delay(1000);
  usb_stop();
  usb_deinit();
- ui_screen_boot_empty(true);
  return CONTINUE_TO_FIRMWARE;
  }
  break;
@@ -715,6 +714,7 @@ int bootloader_main(void) {
 #ifdef STM32U5
  firmware_jump_fn = jump_to_fw_through_reset;
 #else
+ ui_screen_boot_empty(true);
  firmware_jump_fn = real_jump_to_firmware;
 #endif
  break;

core/embed/bootloader/memory_stm32u58.ld

@@ -93,6 +93,7 @@ SECTIONS {
  __fb_start = .;
  *(.fb1*);
  *(.fb2*);
+ *(.framebuffer_select*);
  __fb_end = .;
  . = ALIGN(4);
  } >SRAM3

core/embed/firmware/memory_T3T1.ld

@@ -104,6 +104,7 @@ SECTIONS {
  __fb_start = .;
  *(.fb1*);
  *(.fb2*);
+ *(.framebuffer_select*);
  __fb_end = .;
  . = ALIGN(4);
  } >SRAM3

core/embed/lib/display_interface.h

@@ -58,6 +58,7 @@ void display_init(void);
 void display_reinit(void);
 void display_sync(void);
 void display_refresh(void);
+void display_finish_actions(void);
 const char *display_save(const char *prefix);
 void display_clear_save(void);
 

core/embed/prodtest/memory_stm32u58.ld

@@ -108,6 +108,7 @@ SECTIONS {
  __fb_start = .;
  *(.fb1*);
  *(.fb2*);
+ *(.framebuffer_select*);
  __fb_end = .;
  . = ALIGN(4);
  } >SRAM3

core/embed/reflash/memory_stm32u58.ld

@@ -109,6 +109,7 @@ SECTIONS {
  __fb_start = .;
  *(.fb1*);
  *(.fb2*);
+ *(.framebuffer_select*);
  __fb_end = .;
  . = ALIGN(4);
  } >SRAM3

core/embed/rust/src/trezorhal/display.rs

@@ -80,7 +80,11 @@ pub fn text_baseline(font: i32) -> i16 {
 }
 
 #[inline(always)]
-#[cfg(all(feature = "disp_i8080_16bit_dw", not(feature = "disp_i8080_8bit_dw")))]
+#[cfg(all(
+ not(feature = "framebuffer"),
+ feature = "disp_i8080_16bit_dw",
+ not(feature = "disp_i8080_8bit_dw")
+))]
 pub fn pixeldata(c: u16) {
  unsafe {
  ffi::DISPLAY_DATA_ADDRESS.write_volatile(c);
@@ -93,7 +97,7 @@ pub fn get_fb_addr() -> FrameBuffer {
 }
 
 #[inline(always)]
-#[cfg(feature = "disp_i8080_8bit_dw")]
+#[cfg(all(not(feature = "framebuffer"), feature = "disp_i8080_8bit_dw"))]
 pub fn pixeldata(c: u16) {
  unsafe {
  ffi::DISPLAY_DATA_ADDRESS.write_volatile((c & 0xff) as u8);
@@ -126,7 +130,10 @@ pub fn pixel(fb: FrameBuffer, x: i16, y: i16, c: u32) {
 }
 
 #[inline(always)]
-#[cfg(not(any(feature = "disp_i8080_16bit_dw", feature = "disp_i8080_8bit_dw")))]
+#[cfg(any(
+ feature = "framebuffer",
+ not(any(feature = "disp_i8080_16bit_dw", feature = "disp_i8080_8bit_dw"))
+))]
 pub fn pixeldata(c: u16) {
  unsafe {
  ffi::display_pixeldata(c);

core/embed/rust/src/ui/model_tt/bootloader/mod.rs

@@ -261,11 +261,10 @@ fn screen_progress(
  bg_color,
  );
  display::loader(progress, -20, fg_color, bg_color, icon);
+ display::refresh();
  if initialize {
  fadein();
  }
-
- display::refresh();
 }
 
 #[no_mangle]

core/embed/trezorhal/bg_copy.h

@@ -0,0 +1,25 @@
+
+#ifndef TREZORHAL_BG_COPY_H
+#define TREZORHAL_BG_COPY_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+/**
+ * Wait for the data transfer completion
+ */
+void bg_copy_wait(void);
+
+/**
+ * Performs data copy from src to dst in the background. The destination is
+ * constant, meaning the address is not incremented. Ensure the transfer
+ * completion by calling bg_copy_wait
+ *
+ * @param src source data address
+ * @param dst destination data address
+ * @param size size of data to be transferred in bytes
+ */
+void bg_copy_start_const_out_8(const uint8_t *src, uint8_t *dst, size_t size);
+
+#endif

core/embed/trezorhal/boards/trezor_t3t1_v4.h

@@ -22,6 +22,10 @@
 #define DISPLAY_IDENTIFY 1
 #define DISPLAY_TE_PORT GPIOD
 #define DISPLAY_TE_PIN GPIO_PIN_12
+#define DISPLAY_TE_INTERRUPT_HANDLER EXTI12_IRQHandler
+#define DISPLAY_TE_INTERRUPT_NUM EXTI12_IRQn
+#define DISPLAY_TE_INTERRUPT_GPIOSEL EXTI_GPIOD
+#define DISPLAY_TE_INTERRUPT_EXTI_LINE EXTI_LINE_12
 
 #define DISPLAY_PANEL_INIT_SEQ lx154a2422_init_seq
 #define DISPLAY_PANEL_ROTATE lx154a2422_rotate

core/embed/trezorhal/stm32f4/backlight_pwm.c

@@ -22,6 +22,8 @@ int backlight_pwm_set(int val) {
  return BACKLIGHT;
 }
 
+int backlight_pwm_get(void) { return BACKLIGHT; }
+
 void backlight_pwm_init(void) {
  // init peripherals
  BACKLIGHT_PWM_PORT_CLK_EN();

core/embed/trezorhal/stm32f4/common.c

@@ -222,6 +222,7 @@ void collect_hw_entropy(void) {
 // which might be incompatible with the other layers older versions,
 // where this setting might be unknown
 void ensure_compatible_settings(void) {
+ display_finish_actions();
 #ifdef TREZOR_MODEL_T
  display_set_big_endian();
  display_orientation(0);

core/embed/trezorhal/stm32f4/displays/ltdc.c

@@ -415,3 +415,5 @@ void display_shift_window(uint16_t pixels) {
 uint16_t display_get_window_offset(void) {
  return MAX_DISPLAY_RESX - display_get_window_width();
 }
+
+void display_finish_actions(void) {}