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esp32[c3|c6|h2]: Add DMA function to have more capabilites

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Add DMA function to increase DMA peripheral capabilities

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
This commit is contained in:
Eren Terzioglu
2025-01-30 11:02:42 +01:00
committed by Lup Yuen Lee
parent 2d069231c5
commit f286a63223
2 changed files with 234 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/risc-v/src/common/espressif/esp_dma.c
+146
View File
@@ -282,6 +282,125 @@ void esp_dma_load(struct esp_dmadesc_s *dmadesc, int chan, bool tx)
}
}
/****************************************************************************
* Name: esp_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 esp_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: esp_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 esp_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: esp_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 esp_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: esp_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 esp_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: esp_dma_enable
*
@@ -363,6 +482,33 @@ void esp_dma_wait_idle(int chan, bool tx)
}
}
/****************************************************************************
* Name: esp_dma_reset_channel
*
* Description:
* Resets dma channel.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
*
* Returned Value:
* None.
*
****************************************************************************/
void esp_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: esp_dma_init
*
arch/risc-v/src/common/espressif/esp_dma.h
+88
View File
@@ -150,6 +150,77 @@ uint32_t esp_dma_setup(int chan, bool tx,
void esp_dma_load(struct esp_dmadesc_s *dmadesc, int chan, bool tx);
/****************************************************************************
* Name: esp_dma_enable_interrupt
*
* Description:
* Enable 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 esp_dma_enable_interrupt(int chan, bool tx, uint32_t mask, bool en);
/****************************************************************************
* Name: esp_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 esp_dma_get_interrupt(int chan, bool tx);
/****************************************************************************
* Name: esp_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 esp_dma_clear_interrupt(int chan, bool tx, uint32_t mask);
/****************************************************************************
* Name: esp_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 esp_dma_get_desc_addr(int chan, bool tx);
/****************************************************************************
* Name: esp_dma_enable
*
@@ -201,6 +272,23 @@ void esp_dma_disable(int chan, bool tx);
void esp_dma_wait_idle(int chan, bool tx);
/****************************************************************************
* Name: esp_dma_reset_channel
*
* Description:
* Resets dma channel.
*
* Input Parameters:
* chan - DMA channel
* tx - true: TX mode; false: RX mode
*
* Returned Value:
* None.
*
****************************************************************************/
void esp_dma_reset_channel(int chan, bool tx);
/****************************************************************************
* Name: esp_dma_init
*