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Message-Id: <20231208134929.49523-3-jankul@alatek.krakow.pl>
Date: Fri, 8 Dec 2023 14:49:23 +0100
From: Jan Kuliga <jankul@...tek.krakow.pl>
To: lizhi.hou@....com, brian.xu@....com, raj.kumar.rampelli@....com,
vkoul@...nel.org, michal.simek@....com, dmaengine@...r.kernel.org,
linux-kernel@...r.kernel.org, miquel.raynal@...tlin.com
Cc: jankul@...tek.krakow.pl
Subject: [PATCH v4 2/8] dmaengine: xilinx: xdma: Add necessary macro definitions
Complete lacking bits describing the status/control register values.
Add macros describing the status/control registers.
Signed-off-by: Jan Kuliga <jankul@...tek.krakow.pl>
---
drivers/dma/xilinx/xdma-regs.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/dma/xilinx/xdma-regs.h b/drivers/dma/xilinx/xdma-regs.h
index 0b17a931f583..b12dd60629f6 100644
--- a/drivers/dma/xilinx/xdma-regs.h
+++ b/drivers/dma/xilinx/xdma-regs.h
@@ -76,6 +76,7 @@ struct xdma_hw_desc {
#define XDMA_CHAN_CONTROL_W1S 0x8
#define XDMA_CHAN_CONTROL_W1C 0xc
#define XDMA_CHAN_STATUS 0x40
+#define XDMA_CHAN_STATUS_RC 0x44
#define XDMA_CHAN_COMPLETED_DESC 0x48
#define XDMA_CHAN_ALIGNMENTS 0x4c
#define XDMA_CHAN_INTR_ENABLE 0x90
@@ -101,6 +102,7 @@ struct xdma_hw_desc {
#define CHAN_CTRL_IE_MAGIC_STOPPED BIT(4)
#define CHAN_CTRL_IE_IDLE_STOPPED BIT(6)
#define CHAN_CTRL_IE_READ_ERROR GENMASK(13, 9)
+#define CHAN_CTRL_IE_WRITE_ERROR GENMASK(18, 14)
#define CHAN_CTRL_IE_DESC_ERROR GENMASK(23, 19)
#define CHAN_CTRL_NON_INCR_ADDR BIT(25)
#define CHAN_CTRL_POLL_MODE_WB BIT(26)
@@ -111,8 +113,17 @@ struct xdma_hw_desc {
CHAN_CTRL_IE_DESC_ALIGN_MISMATCH | \
CHAN_CTRL_IE_MAGIC_STOPPED | \
CHAN_CTRL_IE_READ_ERROR | \
+ CHAN_CTRL_IE_WRITE_ERROR | \
CHAN_CTRL_IE_DESC_ERROR)
+#define XDMA_CHAN_STATUS_MASK CHAN_CTRL_START
+
+#define XDMA_CHAN_ERROR_MASK (CHAN_CTRL_IE_DESC_ALIGN_MISMATCH | \
+ CHAN_CTRL_IE_MAGIC_STOPPED | \
+ CHAN_CTRL_IE_READ_ERROR | \
+ CHAN_CTRL_IE_WRITE_ERROR | \
+ CHAN_CTRL_IE_DESC_ERROR)
+
/* bits of the channel interrupt enable mask */
#define CHAN_IM_DESC_ERROR BIT(19)
#define CHAN_IM_READ_ERROR BIT(9)
--
2.34.1
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