/*
* Header for Bestcomm FEC tasks driver
*
*
* Copyright (C) 2006-2007 Sylvain Munaut <[email protected]>
* Copyright (C) 2003-2004 MontaVista, Software, Inc.
* ( by Dale Farnsworth <[email protected]> )
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/

#ifndef __BESTCOMM_FEC_H__
#define __BESTCOMM_FEC_H__


struct bcom_fec_bd {
u32 status;
u32 skb_pa;
};

#define BCOM_FEC_TX_BD_TFD 0x08000000ul /* transmit frame done */
#define BCOM_FEC_TX_BD_TC 0x04000000ul /* transmit CRC */
#define BCOM_FEC_TX_BD_ABC 0x02000000ul /* append bad CRC */

#define BCOM_FEC_RX_BD_L 0x08000000ul /* buffer is last in frame */
#define BCOM_FEC_RX_BD_BC 0x00800000ul /* DA is broadcast */
#define BCOM_FEC_RX_BD_MC 0x00400000ul /* DA is multicast and not broadcast */
#define BCOM_FEC_RX_BD_LG 0x00200000ul /* Rx frame length violation */
#define BCOM_FEC_RX_BD_NO 0x00100000ul /* Rx non-octet aligned frame */
#define BCOM_FEC_RX_BD_CR 0x00040000ul /* Rx CRC error */
#define BCOM_FEC_RX_BD_OV 0x00020000ul /* overrun */
#define BCOM_FEC_RX_BD_TR 0x00010000ul /* Rx frame truncated */
#define BCOM_FEC_RX_BD_LEN_MASK 0x000007fful /* mask for length of received frame */
#define BCOM_FEC_RX_BD_ERRORS (BCOM_FEC_RX_BD_LG | BCOM_FEC_RX_BD_NO | \
BCOM_FEC_RX_BD_CR | BCOM_FEC_RX_BD_OV | BCOM_FEC_RX_BD_TR)


extern struct bcom_task *
bcom_fec_rx_init(int queue_len, phys_addr_t fifo, int maxbufsize);

extern int
bcom_fec_rx_reset(struct bcom_task *tsk);

extern void
bcom_fec_rx_release(struct bcom_task *tsk);


extern struct bcom_task *
bcom_fec_tx_init(int queue_len, phys_addr_t fifo);

extern int
bcom_fec_tx_reset(struct bcom_task *tsk);

extern void
bcom_fec_tx_release(struct bcom_task *tsk);


#endif /* __BESTCOMM_FEC_H__ */