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Sylvain Munautba11c792007-09-16 20:53:29 +10001/*
2 * Header for Bestcomm FEC tasks driver
3 *
4 *
5 * Copyright (C) 2006-2007 Sylvain Munaut <tnt@246tNt.com>
6 * Copyright (C) 2003-2004 MontaVista, Software, Inc.
7 * ( by Dale Farnsworth <dfarnsworth@mvista.com> )
8 *
9 * This file is licensed under the terms of the GNU General Public License
10 * version 2. This program is licensed "as is" without any warranty of any
11 * kind, whether express or implied.
12 */
13
14#ifndef __BESTCOMM_FEC_H__
15#define __BESTCOMM_FEC_H__
16
17
18struct bcom_fec_bd {
19 u32 status;
20 u32 skb_pa;
21};
22
23#define BCOM_FEC_TX_BD_TFD 0x08000000ul /* transmit frame done */
24#define BCOM_FEC_TX_BD_TC 0x04000000ul /* transmit CRC */
25#define BCOM_FEC_TX_BD_ABC 0x02000000ul /* append bad CRC */
26
27#define BCOM_FEC_RX_BD_L 0x08000000ul /* buffer is last in frame */
28#define BCOM_FEC_RX_BD_BC 0x00800000ul /* DA is broadcast */
29#define BCOM_FEC_RX_BD_MC 0x00400000ul /* DA is multicast and not broadcast */
30#define BCOM_FEC_RX_BD_LG 0x00200000ul /* Rx frame length violation */
31#define BCOM_FEC_RX_BD_NO 0x00100000ul /* Rx non-octet aligned frame */
32#define BCOM_FEC_RX_BD_CR 0x00040000ul /* Rx CRC error */
33#define BCOM_FEC_RX_BD_OV 0x00020000ul /* overrun */
34#define BCOM_FEC_RX_BD_TR 0x00010000ul /* Rx frame truncated */
35#define BCOM_FEC_RX_BD_LEN_MASK 0x000007fful /* mask for length of received frame */
36#define BCOM_FEC_RX_BD_ERRORS (BCOM_FEC_RX_BD_LG | BCOM_FEC_RX_BD_NO | \
37 BCOM_FEC_RX_BD_CR | BCOM_FEC_RX_BD_OV | BCOM_FEC_RX_BD_TR)
38
39
40extern struct bcom_task *
41bcom_fec_rx_init(int queue_len, phys_addr_t fifo, int maxbufsize);
42
43extern int
44bcom_fec_rx_reset(struct bcom_task *tsk);
45
46extern void
47bcom_fec_rx_release(struct bcom_task *tsk);
48
49
50extern struct bcom_task *
51bcom_fec_tx_init(int queue_len, phys_addr_t fifo);
52
53extern int
54bcom_fec_tx_reset(struct bcom_task *tsk);
55
56extern void
57bcom_fec_tx_release(struct bcom_task *tsk);
58
59
60#endif /* __BESTCOMM_FEC_H__ */
61