1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Header for Bestcomm General Buffer Descriptor tasks driver
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
10#ifndef __BESTCOMM_GEN_BD_H__
11#define __BESTCOMM_GEN_BD_H__
12
13struct bcom_gen_bd {
14	u32	status;
15	u32	buf_pa;
16};
17
18
19extern struct bcom_task *
20bcom_gen_bd_rx_init(int queue_len, phys_addr_t fifo,
21			int initiator, int ipr, int maxbufsize);
22
23extern int
24bcom_gen_bd_rx_reset(struct bcom_task *tsk);
25
26extern void
27bcom_gen_bd_rx_release(struct bcom_task *tsk);
28
29
30extern struct bcom_task *
31bcom_gen_bd_tx_init(int queue_len, phys_addr_t fifo,
32			int initiator, int ipr);
33
34extern int
35bcom_gen_bd_tx_reset(struct bcom_task *tsk);
36
37extern void
38bcom_gen_bd_tx_release(struct bcom_task *tsk);
39
40
41/* PSC support utility wrappers */
42struct bcom_task * bcom_psc_gen_bd_rx_init(unsigned psc_num, int queue_len,
43					   phys_addr_t fifo, int maxbufsize);
44struct bcom_task * bcom_psc_gen_bd_tx_init(unsigned psc_num, int queue_len,
45					   phys_addr_t fifo);
46#endif  /* __BESTCOMM_GEN_BD_H__ */
47
48