efDataPreprocessing dataSynchronizationMemory.h 朱俊杰 commit at 2021-02-18

efDataPreprocessing/databaseOperation/dataSynchronizationMemory.h

@@ -638,3 +638,83 @@ iop_desc_init_zero_sum(struct iop_adma_desc_slot *desc, int src_cnt,
 static inline void
 iop_desc_init_null_xor(struct iop_adma_desc_slot *desc, int src_cnt,
 		       unsigned long flags)
+{
+	struct iop3xx_desc_aau *hw_desc = desc->hw_desc;
+	union {
+		u32 value;
+		struct iop3xx_aau_desc_ctrl field;
+	} u_desc_ctrl;
+
+	u_desc_ctrl.value = 0;
+	switch (src_cnt) {
+	case 25 ... 32:
+		u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */
+		hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0;
+		/* fall through */
+	case 17 ... 24:
+		if (!u_desc_ctrl.field.blk_ctrl) {
+			hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0;
+			u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */
+		}
+		hw_desc->src_edc[AAU_EDCR1_IDX].e_desc_ctrl = 0;
+		/* fall through */
+	case 9 ... 16:
+		if (!u_desc_ctrl.field.blk_ctrl)
+			u_desc_ctrl.field.blk_ctrl = 0x2; /* use EDCR0 */
+		hw_desc->src_edc[AAU_EDCR0_IDX].e_desc_ctrl = 0;
+		/* fall through */
+	case 1 ... 8:
+		if (!u_desc_ctrl.field.blk_ctrl && src_cnt > 4)
+			u_desc_ctrl.field.blk_ctrl = 0x1; /* use mini-desc */
+	}
+
+	u_desc_ctrl.field.dest_write_en = 0;
+	u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
+	hw_desc->desc_ctrl = u_desc_ctrl.value;
+}
+
+static inline void iop_desc_set_byte_count(struct iop_adma_desc_slot *desc,
+					struct iop_adma_chan *chan,
+					u32 byte_count)
+{
+	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
+
+	switch (chan->device->id) {
+	case DMA0_ID:
+	case DMA1_ID:
+		hw_desc.dma->byte_count = byte_count;
+		break;
+	case AAU_ID:
+		hw_desc.aau->byte_count = byte_count;
+		break;
+	default:
+		BUG();
+	}
+}
+
+static inline void
+iop_desc_init_interrupt(struct iop_adma_desc_slot *desc,
+			struct iop_adma_chan *chan)
+{
+	union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, };
+
+	switch (chan->device->id) {
+	case DMA0_ID:
+	case DMA1_ID:
+		iop_desc_init_memcpy(desc, 1);
+		hw_desc.dma->byte_count = 0;
+		hw_desc.dma->dest_addr = 0;
+		hw_desc.dma->src_addr = 0;
+		break;
+	case AAU_ID:
+		iop_desc_init_null_xor(desc, 2, 1);
+		hw_desc.aau->byte_count = 0;
+		hw_desc.aau->dest_addr = 0;
+		hw_desc.aau->src[0] = 0;
+		hw_desc.aau->src[1] = 0;
+		break;
+	default:
+		BUG();
+	}
+}
+