You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
325 lines
9.7 KiB
325 lines
9.7 KiB
/*
|
|
* 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 STM32_HAL_H
|
|
|
|
#include <stddef.h>
|
|
#include "dma2d.h"
|
|
|
|
#include "../gdc/gdc_color.h"
|
|
|
|
static DMA2D_HandleTypeDef dma2d_handle = {
|
|
.Instance = (DMA2D_TypeDef*)DMA2D_BASE,
|
|
};
|
|
|
|
bool dma2d_accessible(const void* ptr) {
|
|
// TODO:: valid only for STM32F42x
|
|
const void* ccm_start = (const void*)0x10000000;
|
|
const void* ccm_end = (const void*)0x1000FFFF;
|
|
return !(ptr >= ccm_start && ptr <= ccm_end);
|
|
}
|
|
|
|
void dma2d_wait(void) {
|
|
while (HAL_DMA2D_PollForTransfer(&dma2d_handle, 10) != HAL_OK)
|
|
;
|
|
}
|
|
|
|
bool dma2d_rgb565_fill(const dma2d_params_t* dp) {
|
|
dma2d_wait();
|
|
|
|
if (dp->src_alpha == 255) {
|
|
dma2d_handle.Init.ColorMode = DMA2D_OUTPUT_RGB565;
|
|
dma2d_handle.Init.Mode = DMA2D_R2M;
|
|
dma2d_handle.Init.OutputOffset =
|
|
dp->dst_stride / sizeof(uint16_t) - dp->width;
|
|
HAL_DMA2D_Init(&dma2d_handle);
|
|
|
|
HAL_DMA2D_Start(&dma2d_handle, gdc_color_to_color32(dp->src_fg),
|
|
(uint32_t)dp->dst_row + dp->dst_x * sizeof(uint16_t),
|
|
dp->width, dp->height);
|
|
} else {
|
|
// STM32F4 can not accelerate blending with the fixed color
|
|
uint16_t* dst_ptr = (uint16_t*)dp->dst_row + dp->dst_x;
|
|
uint16_t height = dp->height;
|
|
uint8_t alpha = dp->src_alpha;
|
|
while (height-- > 0) {
|
|
for (int x = 0; x < dp->width; x++) {
|
|
dst_ptr[x] = gdc_color16_blend_a8(dp->src_fg, dst_ptr[x], alpha);
|
|
}
|
|
dst_ptr += dp->dst_stride / sizeof(*dst_ptr);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
static void dma2d_config_clut(uint32_t layer, gdc_color_t fg, gdc_color_t bg) {
|
|
|
|
#define LAYER_COUNT 2
|
|
#define GRADIENT_STEPS 16
|
|
|
|
static struct {
|
|
gdc_color32_t gradient[GRADIENT_STEPS];
|
|
} cache[LAYER_COUNT] = { 0 };
|
|
|
|
if (layer >= LAYER_COUNT) {
|
|
return;
|
|
}
|
|
|
|
uint32_t c_fg = gdc_color_to_color32(fg);
|
|
uint32_t c_bg = gdc_color_to_color32(bg);
|
|
|
|
uint32_t* gradient = cache[layer].gradient;
|
|
|
|
if (c_bg != gradient[0] || c_fg != gradient[GRADIENT_STEPS - 1]) {
|
|
for (int step = 0; step < GRADIENT_STEPS; step++) {
|
|
gradient[step] = gdc_color32_blend_a4(fg, bg, step);
|
|
}
|
|
|
|
DMA2D_CLUTCfgTypeDef clut;
|
|
clut.CLUTColorMode = DMA2D_CCM_ARGB8888;
|
|
clut.Size = GRADIENT_STEPS - 1;
|
|
clut.pCLUT = gradient;
|
|
|
|
HAL_DMA2D_ConfigCLUT(&dma2d_handle, clut, layer);
|
|
|
|
while (HAL_DMA2D_PollForTransfer(&dma2d_handle, 10) != HAL_OK)
|
|
;
|
|
}
|
|
}*/
|
|
|
|
static void dma2d_config_clut(uint32_t layer, gdc_color_t fg, gdc_color_t bg) {
|
|
#define LAYER_COUNT 2
|
|
#define GRADIENT_STEPS 16
|
|
|
|
static struct {
|
|
gdc_color_t c_fg;
|
|
gdc_color_t c_bg;
|
|
} cache[LAYER_COUNT] = {0};
|
|
|
|
if (layer >= LAYER_COUNT) {
|
|
return;
|
|
}
|
|
|
|
volatile uint32_t* clut =
|
|
layer ? dma2d_handle.Instance->FGCLUT : dma2d_handle.Instance->BGCLUT;
|
|
|
|
if (fg != cache[layer].c_fg || bg != cache[layer].c_bg) {
|
|
cache[layer].c_fg = fg;
|
|
cache[layer].c_bg = bg;
|
|
|
|
for (int step = 0; step < GRADIENT_STEPS; step++) {
|
|
clut[step] = gdc_color32_blend_a4(fg, bg, step);
|
|
}
|
|
|
|
DMA2D_CLUTCfgTypeDef clut;
|
|
clut.CLUTColorMode = DMA2D_CCM_ARGB8888;
|
|
clut.Size = GRADIENT_STEPS - 1;
|
|
clut.pCLUT = 0; // ???
|
|
|
|
HAL_DMA2D_ConfigCLUT(&dma2d_handle, clut, layer);
|
|
}
|
|
}
|
|
|
|
static void dma2d_rgb565_copy_mono4_first_col(dma2d_params_t* dp,
|
|
const gdc_color16_t* gradient) {
|
|
uint16_t* dst_ptr = (uint16_t*)dp->dst_row + dp->dst_x;
|
|
uint8_t* src_ptr = (uint8_t*)dp->src_row + dp->src_x / 2;
|
|
|
|
int height = dp->height;
|
|
|
|
while (height-- > 0) {
|
|
uint8_t fg_lum = src_ptr[0] >> 4;
|
|
dst_ptr[0] = gradient[fg_lum];
|
|
dst_ptr += dp->dst_stride / sizeof(*dst_ptr);
|
|
src_ptr += dp->src_stride / sizeof(*src_ptr);
|
|
}
|
|
}
|
|
|
|
static void dma2d_rgb565_copy_mono4_last_col(dma2d_params_t* dp,
|
|
const gdc_color16_t* gradient) {
|
|
uint16_t* dst_ptr = (uint16_t*)dp->dst_row + (dp->dst_x + dp->width - 1);
|
|
uint8_t* src_ptr = (uint8_t*)dp->src_row + (dp->src_x + dp->width - 1) / 2;
|
|
|
|
int height = dp->height;
|
|
|
|
while (height-- > 0) {
|
|
uint8_t fg_lum = src_ptr[0] & 0x0F;
|
|
dst_ptr[0] = gradient[fg_lum];
|
|
dst_ptr += dp->dst_stride / sizeof(*dst_ptr);
|
|
src_ptr += dp->src_stride / sizeof(*src_ptr);
|
|
}
|
|
}
|
|
|
|
bool dma2d_rgb565_copy_mono4(const dma2d_params_t* params) {
|
|
const gdc_color16_t* src_gradient = NULL;
|
|
|
|
dma2d_params_t dp_copy = *params;
|
|
dma2d_params_t* dp = &dp_copy;
|
|
|
|
dma2d_wait();
|
|
|
|
if (dp->src_x & 1) {
|
|
// First column of mono4 bitmap is odd
|
|
// Use the CPU to draw the first column
|
|
src_gradient = gdc_color16_gradient_a4(dp->src_fg, dp->src_bg);
|
|
dma2d_rgb565_copy_mono4_first_col(dp, src_gradient);
|
|
dp->dst_x += 1;
|
|
dp->src_x += 1;
|
|
dp->width -= 1;
|
|
}
|
|
|
|
if (dp->width > 0 && dp->width & 1) {
|
|
// The width is odd
|
|
// Use the CPU to draw the last column
|
|
if (src_gradient == NULL) {
|
|
src_gradient = gdc_color16_gradient_a4(dp->src_fg, dp->src_bg);
|
|
}
|
|
dma2d_rgb565_copy_mono4_last_col(dp, src_gradient);
|
|
dp->width -= 1;
|
|
}
|
|
|
|
dma2d_handle.Init.ColorMode = DMA2D_OUTPUT_RGB565;
|
|
dma2d_handle.Init.Mode = DMA2D_M2M_PFC;
|
|
dma2d_handle.Init.OutputOffset =
|
|
dp->dst_stride / sizeof(uint16_t) - dp->width;
|
|
HAL_DMA2D_Init(&dma2d_handle);
|
|
|
|
dma2d_handle.LayerCfg[1].InputColorMode = DMA2D_INPUT_L4;
|
|
dma2d_handle.LayerCfg[1].InputOffset = dp->src_stride * 2 - dp->width;
|
|
dma2d_handle.LayerCfg[1].AlphaMode = 0;
|
|
dma2d_handle.LayerCfg[1].InputAlpha = 0;
|
|
HAL_DMA2D_ConfigLayer(&dma2d_handle, 1);
|
|
|
|
dma2d_config_clut(1, dp->src_fg, dp->src_bg);
|
|
|
|
HAL_DMA2D_Start(&dma2d_handle, (uint32_t)dp->src_row + dp->src_x / 2,
|
|
(uint32_t)dp->dst_row + dp->dst_x * sizeof(uint16_t),
|
|
dp->width, dp->height);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool dma2d_rgb565_copy_rgb565(const dma2d_params_t* dp) {
|
|
dma2d_wait();
|
|
|
|
dma2d_handle.Init.ColorMode = DMA2D_OUTPUT_RGB565;
|
|
dma2d_handle.Init.Mode = DMA2D_M2M_PFC;
|
|
dma2d_handle.Init.OutputOffset =
|
|
dp->dst_stride / sizeof(uint16_t) - dp->width;
|
|
HAL_DMA2D_Init(&dma2d_handle);
|
|
|
|
dma2d_handle.LayerCfg[1].InputColorMode = DMA2D_INPUT_RGB565;
|
|
dma2d_handle.LayerCfg[1].InputOffset =
|
|
dp->src_stride / sizeof(uint16_t) - dp->width;
|
|
dma2d_handle.LayerCfg[1].AlphaMode = 0;
|
|
dma2d_handle.LayerCfg[1].InputAlpha = 0;
|
|
HAL_DMA2D_ConfigLayer(&dma2d_handle, 1);
|
|
|
|
HAL_DMA2D_Start(&dma2d_handle,
|
|
(uint32_t)dp->src_row + dp->src_x * sizeof(uint16_t),
|
|
(uint32_t)dp->dst_row + dp->dst_x * sizeof(uint16_t),
|
|
dp->width, dp->height);
|
|
|
|
return true;
|
|
}
|
|
|
|
static void dma2d_rgb565_blend_mono4_first_col(const dma2d_params_t* dp) {
|
|
uint16_t* dst_ptr = (uint16_t*)dp->dst_row + dp->dst_x;
|
|
uint8_t* src_ptr = (uint8_t*)dp->src_row + dp->src_x / 2;
|
|
|
|
int height = dp->height;
|
|
|
|
while (height-- > 0) {
|
|
uint8_t fg_alpha = src_ptr[0] >> 4;
|
|
dst_ptr[0] = gdc_color16_blend_a4(
|
|
dp->src_fg, gdc_color16_to_color(dst_ptr[0]), fg_alpha);
|
|
dst_ptr += dp->dst_stride / sizeof(*dst_ptr);
|
|
src_ptr += dp->src_stride / sizeof(*src_ptr);
|
|
}
|
|
}
|
|
|
|
static void dma2d_rgb565_blend_mono4_last_col(const dma2d_params_t* dp) {
|
|
uint16_t* dst_ptr = (uint16_t*)dp->dst_row + (dp->dst_x + dp->width - 1);
|
|
uint8_t* src_ptr = (uint8_t*)dp->src_row + (dp->src_x + dp->width - 1) / 2;
|
|
|
|
int height = dp->height;
|
|
|
|
while (height-- > 0) {
|
|
uint8_t fg_alpha = src_ptr[0] & 0x0F;
|
|
dst_ptr[0] = gdc_color16_blend_a4(
|
|
dp->src_fg, gdc_color16_to_color(dst_ptr[0]), fg_alpha);
|
|
dst_ptr += dp->dst_stride / sizeof(*dst_ptr);
|
|
src_ptr += dp->src_stride / sizeof(*src_ptr);
|
|
}
|
|
}
|
|
|
|
bool dma2d_rgb565_blend_mono4(const dma2d_params_t* params) {
|
|
dma2d_wait();
|
|
|
|
dma2d_params_t dp_copy = *params;
|
|
dma2d_params_t* dp = &dp_copy;
|
|
|
|
if (dp->src_x & 1) {
|
|
// First column of mono4 bitmap is odd
|
|
// Use the CPU to draw the first column
|
|
dma2d_rgb565_blend_mono4_first_col(dp);
|
|
dp->dst_x += 1;
|
|
dp->src_x += 1;
|
|
dp->width -= 1;
|
|
}
|
|
|
|
if (dp->width > 0 && dp->width & 1) {
|
|
// The width is odd
|
|
// Use the CPU to draw the last column
|
|
dma2d_rgb565_blend_mono4_last_col(dp);
|
|
dp->width -= 1;
|
|
}
|
|
|
|
if (dp->width > 0) {
|
|
dma2d_handle.Init.ColorMode = DMA2D_OUTPUT_RGB565;
|
|
dma2d_handle.Init.Mode = DMA2D_M2M_BLEND;
|
|
dma2d_handle.Init.OutputOffset =
|
|
dp->dst_stride / sizeof(uint16_t) - dp->width;
|
|
HAL_DMA2D_Init(&dma2d_handle);
|
|
|
|
dma2d_handle.LayerCfg[1].InputColorMode = DMA2D_INPUT_A4;
|
|
dma2d_handle.LayerCfg[1].InputOffset = dp->src_stride * 2 - dp->width;
|
|
dma2d_handle.LayerCfg[1].AlphaMode = 0;
|
|
dma2d_handle.LayerCfg[1].InputAlpha = gdc_color_to_color32(dp->src_fg);
|
|
HAL_DMA2D_ConfigLayer(&dma2d_handle, 1);
|
|
|
|
dma2d_handle.LayerCfg[0].InputColorMode = DMA2D_INPUT_RGB565;
|
|
dma2d_handle.LayerCfg[0].InputOffset =
|
|
dp->dst_stride / sizeof(uint16_t) - dp->width;
|
|
dma2d_handle.LayerCfg[0].AlphaMode = 0;
|
|
dma2d_handle.LayerCfg[0].InputAlpha = 0;
|
|
HAL_DMA2D_ConfigLayer(&dma2d_handle, 0);
|
|
|
|
HAL_DMA2D_BlendingStart(
|
|
&dma2d_handle, (uint32_t)dp->src_row + dp->src_x / 2,
|
|
(uint32_t)dp->dst_row + dp->dst_x * sizeof(uint16_t),
|
|
(uint32_t)dp->dst_row + dp->dst_x * sizeof(uint16_t), dp->width,
|
|
dp->height);
|
|
}
|
|
|
|
return true;
|
|
}
|