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gen_bd.h
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1 /*
2  * Header for Bestcomm General Buffer Descriptor tasks driver
3  *
4  *
5  * Copyright (C) 2007 Sylvain Munaut <[email protected]>
6  * Copyright (C) 2006 AppSpec Computer Technologies Corp.
7  * Jeff Gibbons <[email protected]>
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU General Public License version 2 as published
11  * by the Free Software Foundation.
12  *
13  *
14  */
15 
16 #ifndef __BESTCOMM_GEN_BD_H__
17 #define __BESTCOMM_GEN_BD_H__
18 
19 struct bcom_gen_bd {
20  u32 status;
21  u32 buf_pa;
22 };
23 
24 
25 extern struct bcom_task *
26 bcom_gen_bd_rx_init(int queue_len, phys_addr_t fifo,
27  int initiator, int ipr, int maxbufsize);
28 
29 extern int
30 bcom_gen_bd_rx_reset(struct bcom_task *tsk);
31 
32 extern void
33 bcom_gen_bd_rx_release(struct bcom_task *tsk);
34 
35 
36 extern struct bcom_task *
37 bcom_gen_bd_tx_init(int queue_len, phys_addr_t fifo,
38  int initiator, int ipr);
39 
40 extern int
41 bcom_gen_bd_tx_reset(struct bcom_task *tsk);
42 
43 extern void
44 bcom_gen_bd_tx_release(struct bcom_task *tsk);
45 
46 
47 /* PSC support utility wrappers */
48 struct bcom_task * bcom_psc_gen_bd_rx_init(unsigned psc_num, int queue_len,
49  phys_addr_t fifo, int maxbufsize);
50 struct bcom_task * bcom_psc_gen_bd_tx_init(unsigned psc_num, int queue_len,
51  phys_addr_t fifo);
52 #endif /* __BESTCOMM_GEN_BD_H__ */
53 
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