1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (C) ST-Ericsson AB 2010 |
4 | * Author: Sjur Brendeland |
5 | */ |
6 | |
7 | #ifndef CFSRVL_H_ |
8 | #define CFSRVL_H_ |
9 | #include <linux/list.h> |
10 | #include <linux/stddef.h> |
11 | #include <linux/types.h> |
12 | #include <linux/kref.h> |
13 | #include <linux/rculist.h> |
14 | |
15 | struct cfsrvl { |
16 | struct cflayer layer; |
17 | bool open; |
18 | bool phy_flow_on; |
19 | bool modem_flow_on; |
20 | bool supports_flowctrl; |
21 | void (*release)(struct cflayer *layer); |
22 | struct dev_info dev_info; |
23 | void (*hold)(struct cflayer *lyr); |
24 | void (*put)(struct cflayer *lyr); |
25 | struct rcu_head rcu; |
26 | }; |
27 | |
28 | struct cflayer *cfvei_create(u8 linkid, struct dev_info *dev_info); |
29 | struct cflayer *cfdgml_create(u8 linkid, struct dev_info *dev_info); |
30 | struct cflayer *cfutill_create(u8 linkid, struct dev_info *dev_info); |
31 | struct cflayer *cfvidl_create(u8 linkid, struct dev_info *dev_info); |
32 | struct cflayer *cfrfml_create(u8 linkid, struct dev_info *dev_info, |
33 | int mtu_size); |
34 | struct cflayer *cfdbgl_create(u8 linkid, struct dev_info *dev_info); |
35 | |
36 | bool cfsrvl_phyid_match(struct cflayer *layer, int phyid); |
37 | |
38 | void cfsrvl_init(struct cfsrvl *service, |
39 | u8 channel_id, |
40 | struct dev_info *dev_info, |
41 | bool supports_flowctrl); |
42 | bool cfsrvl_ready(struct cfsrvl *service, int *err); |
43 | u8 cfsrvl_getphyid(struct cflayer *layer); |
44 | |
45 | static inline void cfsrvl_get(struct cflayer *layr) |
46 | { |
47 | struct cfsrvl *s = container_of(layr, struct cfsrvl, layer); |
48 | if (layr == NULL || layr->up == NULL || s->hold == NULL) |
49 | return; |
50 | |
51 | s->hold(layr->up); |
52 | } |
53 | |
54 | static inline void cfsrvl_put(struct cflayer *layr) |
55 | { |
56 | struct cfsrvl *s = container_of(layr, struct cfsrvl, layer); |
57 | if (layr == NULL || layr->up == NULL || s->hold == NULL) |
58 | return; |
59 | |
60 | s->put(layr->up); |
61 | } |
62 | #endif /* CFSRVL_H_ */ |
63 | |