s32k1xx: backport s32k3xx serial driver changes to s32k1xx

PetervdPerk-NXP · Dec 22, 2023 · 113434d · 113434d
1 parent bfbfeab
commit 113434d
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Showing 3 changed files with 364 additions and 146 deletions.
diff --git a/arch/arm/src/s32k1xx/s32k1xx_edma.c b/arch/arm/src/s32k1xx/s32k1xx_edma.c
@@ -1231,6 +1231,24 @@ unsigned int s32k1xx_dmach_getcount(DMACH_HANDLE *handle)
   return remaining;
 }
 
+/****************************************************************************
+ * Name: s32k3xx_dmach_idle
+ *
+ * Description:
+ *   This function checks if the dma is idle
+ *
+ * Returned Value:
+ *   0  - if idle
+ *   !0 - not
+ *
+ ****************************************************************************/
+
+unsigned int s32k1xx_dmach_idle(DMACH_HANDLE handle)
+{
+  struct s32k1xx_dmach_s *dmach = (struct s32k1xx_dmach_s *)handle;
+  return dmach->state == S32K1XX_DMA_IDLE ? 0 : -1;
+}
+
 /****************************************************************************
  * Name: s32k1xx_dmasample
  *

diff --git a/arch/arm/src/s32k1xx/s32k1xx_edma.h b/arch/arm/src/s32k1xx/s32k1xx_edma.h
@@ -413,6 +413,21 @@ void s32k1xx_dmach_stop(DMACH_HANDLE handle);
 
 unsigned int s32k1xx_dmach_getcount(DMACH_HANDLE *handle);
 
+
+/****************************************************************************
+ * Name: s32k3xx_dmach_idle
+ *
+ * Description:
+ *   This function checks if the dma is idle
+ *
+ * Returned Value:
+ *   0  - if idle
+ *   !0 - not
+ *
+ ****************************************************************************/
+
+unsigned int s32k1xx_dmach_idle(DMACH_HANDLE handle);
+
 /****************************************************************************
  * Name: s32k1xx_dmasample
  *