xref: /OK3568_Linux_fs/kernel/include/linux/fsl/bestcomm/fec.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Header for Bestcomm FEC tasks driver
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2006-2007 Sylvain Munaut <tnt@246tNt.com>
6*4882a593Smuzhiyun  * Copyright (C) 2003-2004 MontaVista, Software, Inc.
7*4882a593Smuzhiyun  *                         ( by Dale Farnsworth <dfarnsworth@mvista.com> )
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * This file is licensed under the terms of the GNU General Public License
10*4882a593Smuzhiyun  * version 2. This program is licensed "as is" without any warranty of any
11*4882a593Smuzhiyun  * kind, whether express or implied.
12*4882a593Smuzhiyun  */
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #ifndef __BESTCOMM_FEC_H__
15*4882a593Smuzhiyun #define __BESTCOMM_FEC_H__
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun struct bcom_fec_bd {
19*4882a593Smuzhiyun 	u32	status;
20*4882a593Smuzhiyun 	u32	skb_pa;
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #define BCOM_FEC_TX_BD_TFD	0x08000000ul	/* transmit frame done */
24*4882a593Smuzhiyun #define BCOM_FEC_TX_BD_TC	0x04000000ul	/* transmit CRC */
25*4882a593Smuzhiyun #define BCOM_FEC_TX_BD_ABC	0x02000000ul	/* append bad CRC */
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_L	0x08000000ul	/* buffer is last in frame */
28*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_BC	0x00800000ul	/* DA is broadcast */
29*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_MC	0x00400000ul	/* DA is multicast and not broadcast */
30*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_LG	0x00200000ul	/* Rx frame length violation */
31*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_NO	0x00100000ul	/* Rx non-octet aligned frame */
32*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_CR	0x00040000ul	/* Rx CRC error */
33*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_OV	0x00020000ul	/* overrun */
34*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_TR	0x00010000ul	/* Rx frame truncated */
35*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_LEN_MASK	0x000007fful	/* mask for length of received frame */
36*4882a593Smuzhiyun #define BCOM_FEC_RX_BD_ERRORS	(BCOM_FEC_RX_BD_LG | BCOM_FEC_RX_BD_NO | \
37*4882a593Smuzhiyun 		BCOM_FEC_RX_BD_CR | BCOM_FEC_RX_BD_OV | BCOM_FEC_RX_BD_TR)
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun extern struct bcom_task *
41*4882a593Smuzhiyun bcom_fec_rx_init(int queue_len, phys_addr_t fifo, int maxbufsize);
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun extern int
44*4882a593Smuzhiyun bcom_fec_rx_reset(struct bcom_task *tsk);
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun extern void
47*4882a593Smuzhiyun bcom_fec_rx_release(struct bcom_task *tsk);
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun extern struct bcom_task *
51*4882a593Smuzhiyun bcom_fec_tx_init(int queue_len, phys_addr_t fifo);
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun extern int
54*4882a593Smuzhiyun bcom_fec_tx_reset(struct bcom_task *tsk);
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun extern void
57*4882a593Smuzhiyun bcom_fec_tx_release(struct bcom_task *tsk);
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun #endif /* __BESTCOMM_FEC_H__ */
61*4882a593Smuzhiyun 
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