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Merge branch 'refactor/i2s_dma_buffer_allocation' into 'master'

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refactor(i2s): clean up DMA buffer allocation

Closes IDF-9636

See merge request espressif/esp-idf!31282
This commit is contained in:
morris 2024-06-03 21:26:04 +08:00
commit 8760e6d2a7
4 changed files with 10 additions and 26 deletions
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14
components/driver/deprecated/i2s_legacy.c
View File

@ -62,7 +62,6 @@
#include "esp_pm.h"
#include "esp_efuse.h"
#include "esp_rom_gpio.h"
#include "esp_dma_utils.h"
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
#include "esp_cache.h"
@ -581,22 +580,17 @@ static esp_err_t i2s_alloc_dma_buffer(i2s_port_t i2s_num, i2s_dma_t *dma_obj)
ESP_GOTO_ON_FALSE(dma_obj, ESP_ERR_INVALID_ARG, err, TAG, "I2S DMA object can't be NULL");
uint32_t buf_cnt = p_i2s[i2s_num]->dma_desc_num;
size_t desc_size = 0;
for (int cnt = 0; cnt < buf_cnt; cnt++) {
/* Allocate DMA buffer */
esp_dma_mem_info_t dma_mem_info = {
.extra_heap_caps = MALLOC_CAP_INTERNAL,
.dma_alignment_bytes = 4,
};
//TODO: IDF-9636
esp_dma_capable_calloc(1, sizeof(char) * dma_obj->buf_size, &dma_mem_info, (void **)&dma_obj->buf[cnt], NULL);
dma_obj->buf[cnt] = heap_caps_aligned_calloc(4, 1, sizeof(char) * dma_obj->buf_size,
MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
ESP_GOTO_ON_FALSE(dma_obj->buf[cnt], ESP_ERR_NO_MEM, err, TAG, "Error malloc dma buffer");
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
esp_cache_msync(dma_obj->buf[cnt], dma_obj->buf_size, ESP_CACHE_MSYNC_FLAG_DIR_C2M);
#endif
/* Allocate DMA descriptor */
esp_dma_capable_calloc(1, sizeof(lldesc_t), &dma_mem_info, (void **)&dma_obj->desc[cnt], &desc_size);
dma_obj->desc[cnt] = heap_caps_aligned_calloc(4, 1, sizeof(lldesc_t), MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
ESP_GOTO_ON_FALSE(dma_obj->desc[cnt], ESP_ERR_NO_MEM, err, TAG, "Error malloc dma description entry");
}
/* DMA descriptor must be initialize after all descriptor has been created, otherwise they can't be linked together as a chain */
@ -612,7 +606,7 @@ static esp_err_t i2s_alloc_dma_buffer(i2s_port_t i2s_num, i2s_dma_t *dma_obj)
/* Link to the next descriptor */
dma_obj->desc[cnt]->empty = (uint32_t)((cnt < (buf_cnt - 1)) ? (dma_obj->desc[cnt + 1]) : dma_obj->desc[0]);
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
esp_cache_msync(dma_obj->desc[cnt], desc_size, ESP_CACHE_MSYNC_FLAG_DIR_C2M);
esp_cache_msync(dma_obj->desc[cnt], sizeof(lldesc_t), ESP_CACHE_MSYNC_FLAG_DIR_C2M | ESP_CACHE_MSYNC_FLAG_UNALIGNED);
#endif
}
if (p_i2s[i2s_num]->dir & I2S_DIR_RX) {

19
components/esp_driver_i2s/i2s_common.c
View File

@ -55,7 +55,6 @@
#include "esp_intr_alloc.h"
#include "esp_check.h"
#include "esp_attr.h"
#include "esp_dma_utils.h"
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
#include "esp_cache.h"
#endif
@ -70,16 +69,9 @@
static const char *TAG = "i2s_common";
__attribute__((always_inline))
inline void *i2s_dma_calloc(i2s_chan_handle_t handle, size_t num, size_t size, size_t *actual_size)
inline void *i2s_dma_calloc(i2s_chan_handle_t handle, size_t num, size_t size)
{
void *ptr = NULL;
esp_dma_mem_info_t dma_mem_info = {
.extra_heap_caps = I2S_DMA_ALLOC_CAPS,
.dma_alignment_bytes = 4,
};
//TODO: IDF-9636
esp_dma_capable_calloc(num, size, &dma_mem_info, &ptr, actual_size);
return ptr;
return heap_caps_aligned_calloc(4, num, size, I2S_DMA_ALLOC_CAPS);
}
/*---------------------------------------------------------------------------
@ -426,10 +418,9 @@ esp_err_t i2s_alloc_dma_desc(i2s_chan_handle_t handle, uint32_t num, uint32_t bu
handle->dma.desc = (lldesc_t **)heap_caps_calloc(num, sizeof(lldesc_t *), I2S_MEM_ALLOC_CAPS);
ESP_GOTO_ON_FALSE(handle->dma.desc, ESP_ERR_NO_MEM, err, TAG, "create I2S DMA descriptor array failed");
handle->dma.bufs = (uint8_t **)heap_caps_calloc(num, sizeof(uint8_t *), I2S_MEM_ALLOC_CAPS);
size_t desc_size = 0;
for (int i = 0; i < num; i++) {
/* Allocate DMA descriptor */
handle->dma.desc[i] = (lldesc_t *) i2s_dma_calloc(handle, 1, sizeof(lldesc_t), &desc_size);
handle->dma.desc[i] = (lldesc_t *) i2s_dma_calloc(handle, 1, sizeof(lldesc_t));
ESP_GOTO_ON_FALSE(handle->dma.desc[i], ESP_ERR_NO_MEM, err, TAG, "allocate DMA description failed");
handle->dma.desc[i]->owner = 1;
handle->dma.desc[i]->eof = 1;
@ -437,7 +428,7 @@ esp_err_t i2s_alloc_dma_desc(i2s_chan_handle_t handle, uint32_t num, uint32_t bu
handle->dma.desc[i]->length = bufsize;
handle->dma.desc[i]->size = bufsize;
handle->dma.desc[i]->offset = 0;
handle->dma.bufs[i] = (uint8_t *) i2s_dma_calloc(handle, 1, bufsize * sizeof(uint8_t), NULL);
handle->dma.bufs[i] = (uint8_t *) i2s_dma_calloc(handle, 1, bufsize * sizeof(uint8_t));
ESP_GOTO_ON_FALSE(handle->dma.bufs[i], ESP_ERR_NO_MEM, err, TAG, "allocate DMA buffer failed");
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
esp_cache_msync(handle->dma.bufs[i], bufsize * sizeof(uint8_t), ESP_CACHE_MSYNC_FLAG_DIR_C2M);
@ -450,7 +441,7 @@ esp_err_t i2s_alloc_dma_desc(i2s_chan_handle_t handle, uint32_t num, uint32_t bu
/* Link to the next descriptor */
STAILQ_NEXT(handle->dma.desc[i], qe) = (i < (num - 1)) ? (handle->dma.desc[i + 1]) : handle->dma.desc[0];
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
esp_cache_msync(handle->dma.desc[i], desc_size, ESP_CACHE_MSYNC_FLAG_DIR_C2M);
esp_cache_msync(handle->dma.desc[i], sizeof(lldesc_t), ESP_CACHE_MSYNC_FLAG_DIR_C2M | ESP_CACHE_MSYNC_FLAG_UNALIGNED);
#endif
}
if (handle->dir == I2S_DIR_RX) {

2
components/esp_driver_i2s/i2s_private.h
View File

@ -38,7 +38,7 @@ extern "C" {
#define I2S_INTR_ALLOC_FLAGS (ESP_INTR_FLAG_INTRDISABLED | ESP_INTR_FLAG_SHARED)
#define I2S_MEM_ALLOC_CAPS MALLOC_CAP_DEFAULT
#endif //CONFIG_I2S_ISR_IRAM_SAFE
#define I2S_DMA_ALLOC_CAPS (MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA)
#define I2S_DMA_ALLOC_CAPS (MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA | MALLOC_CAP_8BIT)
#if SOC_PERIPH_CLK_CTRL_SHARED
#define I2S_CLOCK_SRC_ATOMIC() PERIPH_RCC_ATOMIC()

1
examples/peripherals/parlio/parlio_rx/logic_analyzer/components/esp_probe/hw_impl/esp_probe_impl_parlio.c
View File

@ -12,7 +12,6 @@
#include "hal/cache_ll.h"
#include "esp_clk_tree.h"
#include "esp_heap_caps.h"
#include "esp_dma_utils.h"
#include "esp_check.h"
#include "esp_probe_private.h"