1#ifndef BCM63XX_IUDMA_H_
2#define BCM63XX_IUDMA_H_
3
4#include <linux/types.h>
5
6/*
7 * rx/tx dma descriptor
8 */
9struct bcm_enet_desc {
10	u32 len_stat;
11	u32 address;
12};
13
14/* control */
15#define DMADESC_LENGTH_SHIFT	16
16#define DMADESC_LENGTH_MASK	(0xfff << DMADESC_LENGTH_SHIFT)
17#define DMADESC_OWNER_MASK	(1 << 15)
18#define DMADESC_EOP_MASK	(1 << 14)
19#define DMADESC_SOP_MASK	(1 << 13)
20#define DMADESC_ESOP_MASK	(DMADESC_EOP_MASK | DMADESC_SOP_MASK)
21#define DMADESC_WRAP_MASK	(1 << 12)
22#define DMADESC_USB_NOZERO_MASK (1 << 1)
23#define DMADESC_USB_ZERO_MASK	(1 << 0)
24
25/* status */
26#define DMADESC_UNDER_MASK	(1 << 9)
27#define DMADESC_APPEND_CRC	(1 << 8)
28#define DMADESC_OVSIZE_MASK	(1 << 4)
29#define DMADESC_RXER_MASK	(1 << 2)
30#define DMADESC_CRC_MASK	(1 << 1)
31#define DMADESC_OV_MASK		(1 << 0)
32#define DMADESC_ERR_MASK	(DMADESC_UNDER_MASK | \
33				DMADESC_OVSIZE_MASK | \
34				DMADESC_RXER_MASK | \
35				DMADESC_CRC_MASK | \
36				DMADESC_OV_MASK)
37
38#endif /* ! BCM63XX_IUDMA_H_ */
39