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commit f286a63223924ca863add512b430644aaa9c8748
Author: Eren Terzioglu <eren.terzio...@espressif.com>
AuthorDate: Thu Jan 30 11:02:42 2025 +0100
esp32[c3|c6|h2]: Add DMA function to have more capabilites
Add DMA function to increase DMA peripheral capabilities
Signed-off-by: Eren Terzioglu <eren.terzio...@espressif.com>
---
arch/risc-v/src/common/espressif/esp_dma.c | 146 +++++++++++++++++++++++++++++
arch/risc-v/src/common/espressif/esp_dma.h | 88 +++++++++++++++++
2 files changed, 234 insertions(+)
diff --git a/arch/risc-v/src/common/espressif/esp_dma.c
b/arch/risc-v/src/common/espressif/esp_dma.c
index 233b717c25..c501ef853b 100644
--- a/arch/risc-v/src/common/espressif/esp_dma.c
+++ b/arch/risc-v/src/common/espressif/esp_dma.c
@@ -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
*
diff --git a/arch/risc-v/src/common/espressif/esp_dma.h
b/arch/risc-v/src/common/espressif/esp_dma.h
index d1b43156eb..57b2ded6b7 100644
--- a/arch/risc-v/src/common/espressif/esp_dma.h
+++ b/arch/risc-v/src/common/espressif/esp_dma.h
@@ -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
*
