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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BCM63XX_IUDMA_H_
#define BCM63XX_IUDMA_H_
#include <linux/types.h>
/*
* rx/tx dma descriptor
*/
struct bcm_enet_desc {
u32 len_stat;
u32 address;
};
/* control */
#define DMADESC_LENGTH_SHIFT 16
#define DMADESC_LENGTH_MASK (0xfff << DMADESC_LENGTH_SHIFT)
#define DMADESC_OWNER_MASK (1 << 15)
#define DMADESC_EOP_MASK (1 << 14)
#define DMADESC_SOP_MASK (1 << 13)
#define DMADESC_ESOP_MASK (DMADESC_EOP_MASK | DMADESC_SOP_MASK)
#define DMADESC_WRAP_MASK (1 << 12)
#define DMADESC_USB_NOZERO_MASK (1 << 1)
#define DMADESC_USB_ZERO_MASK (1 << 0)
/* status */
#define DMADESC_UNDER_MASK (1 << 9)
#define DMADESC_APPEND_CRC (1 << 8)
#define DMADESC_OVSIZE_MASK (1 << 4)
#define DMADESC_RXER_MASK (1 << 2)
#define DMADESC_CRC_MASK (1 << 1)
#define DMADESC_OV_MASK (1 << 0)
#define DMADESC_ERR_MASK (DMADESC_UNDER_MASK | \
DMADESC_OVSIZE_MASK | \
DMADESC_RXER_MASK | \
DMADESC_CRC_MASK | \
DMADESC_OV_MASK)
#endif /* ! BCM63XX_IUDMA_H_ */
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