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bugfix(dma): fixed wrong esp_dma_is_buffer_aligned result for psram on s3

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This commit is contained in:
Armando
2024-01-02 13:09:56 +08:00
parent 2a5343b2e0
commit a9a36512a8
2 changed files with 36 additions and 22 deletions
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57
components/esp_hw_support/dma/esp_dma_utils.c
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -69,41 +69,54 @@ esp_err_t esp_dma_calloc(size_t n, size_t size, uint32_t flags, void **out_ptr,
return ret;
}
static bool s_buf_in_region(const void *ptr, size_t size, esp_dma_buf_location_t location, uint32_t *in_out_flags)
{
bool found = false;
if (location == ESP_DMA_BUF_LOCATION_INTERNAL) {
if (esp_ptr_dma_capable(ptr) && esp_ptr_dma_capable(ptr + size - 1)) {
found = true;
}
} else if (location == ESP_DMA_BUF_LOCATION_PSRAM) {
#if SOC_PSRAM_DMA_CAPABLE
if (esp_ptr_external_ram(ptr) && esp_ptr_external_ram(ptr + size - 1)) {
*in_out_flags |= ESP_DMA_MALLOC_FLAG_PSRAM;
found = true;
}
#endif
}
return found;
}
bool esp_dma_is_buffer_aligned(const void *ptr, size_t size, esp_dma_buf_location_t location)
{
assert(ptr);
uint32_t flags = ESP_CACHE_MALLOC_FLAG_DMA;
if (location == ESP_DMA_BUF_LOCATION_INTERNAL) {
if (!esp_ptr_dma_capable(ptr) || !esp_ptr_dma_capable(ptr + size - 1)) {
return false;
bool found = false;
if (location == ESP_DMA_BUF_LOCATION_AUTO) {
for (int i = ESP_DMA_BUF_LOCATION_INTERNAL; i < ESP_DMA_BUF_LOCATION_AUTO; i++) {
if (s_buf_in_region(ptr, size, i, &flags)) {
found = true;
break;
}
}
} else if (location == ESP_DMA_BUF_LOCATION_INTERNAL) {
found = s_buf_in_region(ptr, size, ESP_DMA_BUF_LOCATION_INTERNAL, &flags);
} else {
#if !SOC_PSRAM_DMA_CAPABLE
found = s_buf_in_region(ptr, size, ESP_DMA_BUF_LOCATION_PSRAM, &flags);
}
if (!found) {
return false;
#endif
if (!esp_ptr_external_ram(ptr) || !esp_ptr_external_ram(ptr + size - 1)) {
return false;
}
flags |= ESP_DMA_MALLOC_FLAG_PSRAM;
}
bool is_aligned = false;
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
size_t dma_alignment = 0;
size_t cache_alignment = 0;
size_t alignment = 0;
esp_err_t ret = esp_cache_get_alignment(flags, &cache_alignment);
assert(ret == ESP_OK);
if (((intptr_t)ptr % cache_alignment == 0) && (size % cache_alignment == 0)) {
is_aligned = true;
}
#else
(void)size;
if ((intptr_t)ptr % 4 == 0) {
is_aligned = true;
}
#endif
alignment = MAX(dma_alignment, cache_alignment);
is_aligned = ((intptr_t)ptr % alignment == 0) && (size % alignment == 0);
return is_aligned;
}

1
components/esp_hw_support/include/esp_dma_utils.h
View File

@@ -59,6 +59,7 @@ esp_err_t esp_dma_calloc(size_t n, size_t size, uint32_t flags, void **out_ptr,
typedef enum {
ESP_DMA_BUF_LOCATION_INTERNAL, ///< DMA buffer is in internal memory
ESP_DMA_BUF_LOCATION_PSRAM, ///< DMA buffer is in PSRAM
ESP_DMA_BUF_LOCATION_AUTO, ///< Auto detect buffer location, under this condition API will loop to search the buffer location
} esp_dma_buf_location_t;
/**