1/*
 2 * Header for Bestcomm General Buffer Descriptor tasks driver
 3 *
 4 *
 5 * Copyright (C) 2007 Sylvain Munaut <tnt@246tNt.com>
 6 * Copyright (C) 2006 AppSpec Computer Technologies Corp.
 7 *                    Jeff Gibbons <jeff.gibbons@appspec.com>
 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
19struct bcom_gen_bd {
20	u32	status;
21	u32	buf_pa;
22};
23
24
25extern struct bcom_task *
26bcom_gen_bd_rx_init(int queue_len, phys_addr_t fifo,
27			int initiator, int ipr, int maxbufsize);
28
29extern int
30bcom_gen_bd_rx_reset(struct bcom_task *tsk);
31
32extern void
33bcom_gen_bd_rx_release(struct bcom_task *tsk);
34
35
36extern struct bcom_task *
37bcom_gen_bd_tx_init(int queue_len, phys_addr_t fifo,
38			int initiator, int ipr);
39
40extern int
41bcom_gen_bd_tx_reset(struct bcom_task *tsk);
42
43extern void
44bcom_gen_bd_tx_release(struct bcom_task *tsk);
45
46
47/* PSC support utility wrappers */
48struct bcom_task * bcom_psc_gen_bd_rx_init(unsigned psc_num, int queue_len,
49					   phys_addr_t fifo, int maxbufsize);
50struct 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