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
13 struct bcom_gen_bd {
14 u32 status;
15 u32 buf_pa;
16 };
17
18
19 extern struct bcom_task *
20 bcom_gen_bd_rx_init(int queue_len, phys_addr_t fifo,
21 int initiator, int ipr, int maxbufsize);
22
23 extern int
24 bcom_gen_bd_rx_reset(struct bcom_task *tsk);
25
26 extern void
27 bcom_gen_bd_rx_release(struct bcom_task *tsk);
28
29
30 extern struct bcom_task *
31 bcom_gen_bd_tx_init(int queue_len, phys_addr_t fifo,
32 int initiator, int ipr);
33
34 extern int
35 bcom_gen_bd_tx_reset(struct bcom_task *tsk);
36
37 extern void
38 bcom_gen_bd_tx_release(struct bcom_task *tsk);
39
40
41 /* PSC support utility wrappers */
42 struct bcom_task * bcom_psc_gen_bd_rx_init(unsigned psc_num, int queue_len,
43 phys_addr_t fifo, int maxbufsize);
44 struct 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
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