1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) ST-Ericsson AB 2010
4*4882a593Smuzhiyun * Author: Sjur Brendeland
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #ifndef CFSRVL_H_
8*4882a593Smuzhiyun #define CFSRVL_H_
9*4882a593Smuzhiyun #include <linux/list.h>
10*4882a593Smuzhiyun #include <linux/stddef.h>
11*4882a593Smuzhiyun #include <linux/types.h>
12*4882a593Smuzhiyun #include <linux/kref.h>
13*4882a593Smuzhiyun #include <linux/rculist.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun struct cfsrvl {
16*4882a593Smuzhiyun struct cflayer layer;
17*4882a593Smuzhiyun bool open;
18*4882a593Smuzhiyun bool phy_flow_on;
19*4882a593Smuzhiyun bool modem_flow_on;
20*4882a593Smuzhiyun bool supports_flowctrl;
21*4882a593Smuzhiyun void (*release)(struct cflayer *layer);
22*4882a593Smuzhiyun struct dev_info dev_info;
23*4882a593Smuzhiyun void (*hold)(struct cflayer *lyr);
24*4882a593Smuzhiyun void (*put)(struct cflayer *lyr);
25*4882a593Smuzhiyun struct rcu_head rcu;
26*4882a593Smuzhiyun };
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun struct cflayer *cfvei_create(u8 linkid, struct dev_info *dev_info);
29*4882a593Smuzhiyun struct cflayer *cfdgml_create(u8 linkid, struct dev_info *dev_info);
30*4882a593Smuzhiyun struct cflayer *cfutill_create(u8 linkid, struct dev_info *dev_info);
31*4882a593Smuzhiyun struct cflayer *cfvidl_create(u8 linkid, struct dev_info *dev_info);
32*4882a593Smuzhiyun struct cflayer *cfrfml_create(u8 linkid, struct dev_info *dev_info,
33*4882a593Smuzhiyun int mtu_size);
34*4882a593Smuzhiyun struct cflayer *cfdbgl_create(u8 linkid, struct dev_info *dev_info);
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun void cfsrvl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
37*4882a593Smuzhiyun int phyid);
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun bool cfsrvl_phyid_match(struct cflayer *layer, int phyid);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun void cfsrvl_init(struct cfsrvl *service,
42*4882a593Smuzhiyun u8 channel_id,
43*4882a593Smuzhiyun struct dev_info *dev_info,
44*4882a593Smuzhiyun bool supports_flowctrl);
45*4882a593Smuzhiyun bool cfsrvl_ready(struct cfsrvl *service, int *err);
46*4882a593Smuzhiyun u8 cfsrvl_getphyid(struct cflayer *layer);
47*4882a593Smuzhiyun
cfsrvl_get(struct cflayer * layr)48*4882a593Smuzhiyun static inline void cfsrvl_get(struct cflayer *layr)
49*4882a593Smuzhiyun {
50*4882a593Smuzhiyun struct cfsrvl *s = container_of(layr, struct cfsrvl, layer);
51*4882a593Smuzhiyun if (layr == NULL || layr->up == NULL || s->hold == NULL)
52*4882a593Smuzhiyun return;
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun s->hold(layr->up);
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun
cfsrvl_put(struct cflayer * layr)57*4882a593Smuzhiyun static inline void cfsrvl_put(struct cflayer *layr)
58*4882a593Smuzhiyun {
59*4882a593Smuzhiyun struct cfsrvl *s = container_of(layr, struct cfsrvl, layer);
60*4882a593Smuzhiyun if (layr == NULL || layr->up == NULL || s->hold == NULL)
61*4882a593Smuzhiyun return;
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun s->put(layr->up);
64*4882a593Smuzhiyun }
65*4882a593Smuzhiyun #endif /* CFSRVL_H_ */
66