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path: root/drivers/dma/at_hdmac_regs.h
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Diffstat (limited to 'drivers/dma/at_hdmac_regs.h')
-rw-r--r--drivers/dma/at_hdmac_regs.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h
index 2727ca560..7f5a08230 100644
--- a/drivers/dma/at_hdmac_regs.h
+++ b/drivers/dma/at_hdmac_regs.h
@@ -112,6 +112,7 @@
#define ATC_SRC_WIDTH_BYTE (0x0 << 24)
#define ATC_SRC_WIDTH_HALFWORD (0x1 << 24)
#define ATC_SRC_WIDTH_WORD (0x2 << 24)
+#define ATC_REG_TO_SRC_WIDTH(r) (((r) >> 24) & 0x3)
#define ATC_DST_WIDTH_MASK (0x3 << 28) /* Destination Single Transfer Size */
#define ATC_DST_WIDTH(x) ((x) << 28)
#define ATC_DST_WIDTH_BYTE (0x0 << 28)
@@ -182,7 +183,6 @@ struct at_lli {
* @txd: support for the async_tx api
* @desc_node: node on the channed descriptors list
* @len: descriptor byte count
- * @tx_width: transfer width
* @total_len: total transaction byte count
*/
struct at_desc {
@@ -194,8 +194,12 @@ struct at_desc {
struct dma_async_tx_descriptor txd;
struct list_head desc_node;
size_t len;
- u32 tx_width;
size_t total_len;
+
+ /* Interleaved data */
+ size_t boundary;
+ size_t dst_hole;
+ size_t src_hole;
};
static inline struct at_desc *