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arch/xtensa/esp32[s3]: Add more dma functions

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Add dma function to use peripheral more efficiently

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
This commit is contained in:
Eren Terzioglu
2025-02-26 14:13:41 +01:00
committed by Xiang Xiao
parent 850cfb545a
commit fd4914b953
3 changed files with 245 additions and 0 deletions
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arch/xtensa/src/esp32s3/esp32s3_dma.c
+156
View File
@@ -45,6 +45,13 @@
#include "hardware/esp32s3_soc.h"
#include "hardware/esp32s3_system.h"
#include "soc/gdma_periph.h"
#include "hal/gdma_hal.h"
#include "hal/gdma_types.h"
#include "hal/gdma_ll.h"
#include "periph_ctrl.h"
#include "hal/dma_types.h"
/****************************************************************************
* Pre-processor Macros
****************************************************************************/
@@ -58,6 +65,7 @@
static bool g_dma_chan_used[ESP32S3_DMA_CHAN_MAX];
static mutex_t g_dma_lock = NXMUTEX_INITIALIZER;
static gdma_hal_context_t ctx;
/****************************************************************************
* Public Functions
@@ -387,6 +395,152 @@ void esp32s3_dma_load(struct esp32s3_dmadesc_s *dmadesc, int chan, bool tx)
}
}
/****************************************************************************
* Name: esp32s3_dma_reset_channel
*
* Description:
* Resets dma channel.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
*
* Returned Value:
* None.
*
****************************************************************************/
void esp32s3_dma_reset_channel(int chan, bool tx)
{
if (tx)
{
gdma_ll_tx_reset_channel(ctx.dev, chan);
}
else
{
gdma_ll_rx_reset_channel(ctx.dev, chan);
}
}
/****************************************************************************
* Name: esp32s3_dma_enable_interrupt
*
* Description:
* Enable/Disable DMA interrupt.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
* mask - Interrupt mask to change
* en - true: enable; false: disable
*
* Returned Value:
* None.
*
****************************************************************************/
void esp32s3_dma_enable_interrupt(int chan, bool tx, uint32_t mask, bool en)
{
if (tx)
{
gdma_ll_tx_enable_interrupt(ctx.dev, chan, mask, en);
}
else
{
gdma_ll_rx_enable_interrupt(ctx.dev, chan, mask, en);
}
}
/****************************************************************************
* Name: esp32s3_dma_get_interrupt
*
* Description:
* Gets DMA interrupt status.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
*
* Returned Value:
* Interrupt status value.
*
****************************************************************************/
int esp32s3_dma_get_interrupt(int chan, bool tx)
{
uint32_t intr_status = 0;
if (tx)
{
intr_status = gdma_ll_tx_get_interrupt_status(ctx.dev, chan);
}
else
{
intr_status = gdma_ll_rx_get_interrupt_status(ctx.dev, chan);
}
return intr_status;
}
/****************************************************************************
* Name: esp32s3_dma_clear_interrupt
*
* Description:
* Clear DMA interrupt.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
* mask - Interrupt mask to change
*
* Returned Value:
* None.
*
****************************************************************************/
void esp32s3_dma_clear_interrupt(int chan, bool tx, uint32_t mask)
{
if (tx)
{
gdma_ll_tx_clear_interrupt_status(ctx.dev, chan, mask);
}
else
{
gdma_ll_rx_clear_interrupt_status(ctx.dev, chan, mask);
}
}
/****************************************************************************
* Name: esp32s3_dma_get_desc_addr
*
* Description:
* Gets desc addr of DMA interrupt.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
*
* Returned Value:
* Desc addr.
*
****************************************************************************/
int esp32s3_dma_get_desc_addr(int chan, bool tx)
{
uint32_t desc_addr = 0;
if (tx)
{
desc_addr = gdma_ll_tx_get_eof_desc_addr(ctx.dev, chan);
}
else
{
desc_addr = gdma_ll_rx_get_success_eof_desc_addr(ctx.dev, chan);
}
return desc_addr;
}
/****************************************************************************
* Name: esp32s3_dma_enable
*
@@ -540,6 +694,8 @@ void esp32s3_dma_init(void)
modifyreg32(SYSTEM_PERIP_CLK_EN1_REG, 0, SYSTEM_DMA_CLK_EN_M);
modifyreg32(SYSTEM_PERIP_RST_EN1_REG, SYSTEM_DMA_RST_M, 0);
gdma_hal_init(&ctx, 0);
/* enable DMA clock gating */
modifyreg32(DMA_MISC_CONF_REG, 0, DMA_CLK_EN_M);
arch/xtensa/src/esp32s3/esp32s3_dma.h
+88
View File
@@ -207,6 +207,94 @@ uint32_t esp32s3_dma_setup(struct esp32s3_dmadesc_s *dmadesc, uint32_t num,
void esp32s3_dma_load(struct esp32s3_dmadesc_s *dmadesc, int chan, bool tx);
/****************************************************************************
* Name: esp32s3_dma_reset_channel
*
* Description:
* Resets dma channel.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
*
* Returned Value:
* None.
*
****************************************************************************/
void esp32s3_dma_reset_channel(int chan, bool tx);
/****************************************************************************
* Name: esp32s3_dma_enable_interrupt
*
* Description:
* Enable/Disable DMA interrupt.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
* mask - Interrupt mask to change
* en - true: enable; false: disable
*
* Returned Value:
* None.
*
****************************************************************************/
void esp32s3_dma_enable_interrupt(int chan, bool tx, uint32_t mask, bool en);
/****************************************************************************
* Name: esp32s3_dma_get_interrupt
*
* Description:
* Gets DMA interrupt status.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
*
* Returned Value:
* Interrupt status value.
*
****************************************************************************/
int esp32s3_dma_get_interrupt(int chan, bool tx);
/****************************************************************************
* Name: esp32s3_dma_clear_interrupt
*
* Description:
* Clear DMA interrupt.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
* mask - Interrupt mask to change
*
* Returned Value:
* None.
*
****************************************************************************/
void esp32s3_dma_clear_interrupt(int chan, bool tx, uint32_t mask);
/****************************************************************************
* Name: esp32s3_dma_get_desc_addr
*
* Description:
* Gets desc addr of DMA interrupt.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
*
* Returned Value:
* Desc addr.
*
****************************************************************************/
int esp32s3_dma_get_desc_addr(int chan, bool tx);
/****************************************************************************
* Name: esp32s3_dma_enable
*
arch/xtensa/src/esp32s3/hal.mk
+1
View File
@@ -110,6 +110,7 @@ CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)$(CHIP_SERIES)$(DELIM)efuse_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)brownout_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)efuse_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)gdma_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)gpio_hal.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)ledc_hal_iram.c
CHIP_CSRCS += chip$(DELIM)$(ESP_HAL_3RDPARTY_REPO)$(DELIM)components$(DELIM)hal$(DELIM)ledc_hal.c