1 /*
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
18 struct 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
40 extern struct bcom_task *
41 bcom_fec_rx_init(int queue_len, phys_addr_t fifo, int maxbufsize);
42
43 extern int
44 bcom_fec_rx_reset(struct bcom_task *tsk);
45
46 extern void
47 bcom_fec_rx_release(struct bcom_task *tsk);
48
49
50 extern struct bcom_task *
51 bcom_fec_tx_init(int queue_len, phys_addr_t fifo);
52
53 extern int
54 bcom_fec_tx_reset(struct bcom_task *tsk);
55
56 extern void
57 bcom_fec_tx_release(struct bcom_task *tsk);
58
59
60 #endif /* __BESTCOMM_FEC_H__ */
61
62
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