linux/drivers/net/ethernet/altera/altera_sgdmahw.h

/* SPDX-License-Identifier: GPL-2.0-only */
/* Altera TSE SGDMA and MSGDMA Linux driver
 * Copyright (C) 2014 Altera Corporation. All rights reserved
 */

#ifndef __ALTERA_SGDMAHW_H__
#define __ALTERA_SGDMAHW_H__

/* SGDMA descriptor structure */
struct sgdma_descrip { … } __packed;

#define SGDMA_DESC_LEN …

#define SGDMA_STATUS_ERR …
#define SGDMA_STATUS_LENGTH_ERR …
#define SGDMA_STATUS_CRC_ERR …
#define SGDMA_STATUS_TRUNC_ERR …
#define SGDMA_STATUS_PHY_ERR …
#define SGDMA_STATUS_COLL_ERR …
#define SGDMA_STATUS_EOP …

#define SGDMA_CONTROL_EOP …
#define SGDMA_CONTROL_RD_FIXED …
#define SGDMA_CONTROL_WR_FIXED …

/* Channel is always 0, so just zero initialize it */

#define SGDMA_CONTROL_HW_OWNED …

/* SGDMA register space */
struct sgdma_csr { … };

#define sgdma_csroffs(a) …
#define sgdma_descroffs(a) …

#define SGDMA_STSREG_ERR …
#define SGDMA_STSREG_EOP …
#define SGDMA_STSREG_DESCRIP …
#define SGDMA_STSREG_CHAIN …
#define SGDMA_STSREG_BUSY …

#define SGDMA_CTRLREG_IOE …
#define SGDMA_CTRLREG_IOEOP …
#define SGDMA_CTRLREG_IDESCRIP …
#define SGDMA_CTRLREG_ILASTD …
#define SGDMA_CTRLREG_INTEN …
#define SGDMA_CTRLREG_START …
#define SGDMA_CTRLREG_STOPERR …
#define SGDMA_CTRLREG_INTMAX …
#define SGDMA_CTRLREG_RESET …
#define SGDMA_CTRLREG_COBHW …
#define SGDMA_CTRLREG_POLL …
#define SGDMA_CTRLREG_CLRINT …

#endif /* __ALTERA_SGDMAHW_H__ */