1*5113495bSYour Name /*
2*5113495bSYour Name * Copyright (c) 2017-2019 The Linux Foundation. All rights reserved.
3*5113495bSYour Name * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
4*5113495bSYour Name *
5*5113495bSYour Name * Permission to use, copy, modify, and/or distribute this software for
6*5113495bSYour Name * any purpose with or without fee is hereby granted, provided that the
7*5113495bSYour Name * above copyright notice and this permission notice appear in all
8*5113495bSYour Name * copies.
9*5113495bSYour Name *
10*5113495bSYour Name * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11*5113495bSYour Name * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12*5113495bSYour Name * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13*5113495bSYour Name * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14*5113495bSYour Name * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15*5113495bSYour Name * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16*5113495bSYour Name * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17*5113495bSYour Name * PERFORMANCE OF THIS SOFTWARE.
18*5113495bSYour Name */
19*5113495bSYour Name /**
20*5113495bSYour Name * DOC: wifi_pos_utils.c
21*5113495bSYour Name * This file defines the utility helper functions for wifi_pos component.
22*5113495bSYour Name */
23*5113495bSYour Name
24*5113495bSYour Name #include "qdf_types.h"
25*5113495bSYour Name #include "wlan_objmgr_cmn.h"
26*5113495bSYour Name #include "wlan_objmgr_global_obj.h"
27*5113495bSYour Name #include "wlan_objmgr_psoc_obj.h"
28*5113495bSYour Name #include <wlan_lmac_if_def.h>
29*5113495bSYour Name #include "wifi_pos_utils_i.h"
30*5113495bSYour Name #include "wlan_objmgr_vdev_obj.h"
31*5113495bSYour Name
32*5113495bSYour Name
33*5113495bSYour Name /* lock to protect use of psoc global pointer variable */
34*5113495bSYour Name static qdf_spinlock_t psoc_ptr_lock;
35*5113495bSYour Name
36*5113495bSYour Name /*
37*5113495bSYour Name * WIFI pos command are not associated with any pdev/psoc/vdev, so the callback
38*5113495bSYour Name * registered with GENL socket does not receive any pdev/pdev/vdev object.
39*5113495bSYour Name * Since PSOC is top most object, it was decided to keep WIFI POS private obj
40*5113495bSYour Name * within PSOC and hence, this module need to hang on to the first PSOC that
41*5113495bSYour Name * was created for all its internal usage.
42*5113495bSYour Name */
43*5113495bSYour Name static struct wlan_objmgr_psoc *wifi_pos_psoc_obj;
44*5113495bSYour Name
45*5113495bSYour Name struct wlan_objmgr_vdev;
46*5113495bSYour Name struct wifi_pos_psoc_priv_obj;
47*5113495bSYour Name
wifi_pos_lock_init(void)48*5113495bSYour Name void wifi_pos_lock_init(void)
49*5113495bSYour Name {
50*5113495bSYour Name qdf_spinlock_create(&psoc_ptr_lock);
51*5113495bSYour Name }
52*5113495bSYour Name
wifi_pos_lock_deinit(void)53*5113495bSYour Name void wifi_pos_lock_deinit(void)
54*5113495bSYour Name {
55*5113495bSYour Name qdf_spinlock_destroy(&psoc_ptr_lock);
56*5113495bSYour Name }
57*5113495bSYour Name
wifi_pos_get_psoc(void)58*5113495bSYour Name struct wlan_objmgr_psoc *wifi_pos_get_psoc(void)
59*5113495bSYour Name {
60*5113495bSYour Name struct wlan_objmgr_psoc *tmp;
61*5113495bSYour Name
62*5113495bSYour Name qdf_spin_lock_bh(&psoc_ptr_lock);
63*5113495bSYour Name tmp = wifi_pos_psoc_obj;
64*5113495bSYour Name qdf_spin_unlock_bh(&psoc_ptr_lock);
65*5113495bSYour Name
66*5113495bSYour Name return tmp;
67*5113495bSYour Name }
68*5113495bSYour Name
69*5113495bSYour Name qdf_export_symbol(wifi_pos_get_psoc);
70*5113495bSYour Name
wifi_pos_set_psoc(struct wlan_objmgr_psoc * psoc)71*5113495bSYour Name void wifi_pos_set_psoc(struct wlan_objmgr_psoc *psoc)
72*5113495bSYour Name {
73*5113495bSYour Name struct wlan_objmgr_psoc *tmp;
74*5113495bSYour Name
75*5113495bSYour Name qdf_spin_lock_bh(&psoc_ptr_lock);
76*5113495bSYour Name tmp = wifi_pos_psoc_obj;
77*5113495bSYour Name if (!wifi_pos_psoc_obj)
78*5113495bSYour Name wifi_pos_psoc_obj = psoc;
79*5113495bSYour Name qdf_spin_unlock_bh(&psoc_ptr_lock);
80*5113495bSYour Name
81*5113495bSYour Name if (tmp)
82*5113495bSYour Name wifi_pos_warn("global psoc obj already set");
83*5113495bSYour Name }
84*5113495bSYour Name
wifi_pos_clear_psoc(void)85*5113495bSYour Name void wifi_pos_clear_psoc(void)
86*5113495bSYour Name {
87*5113495bSYour Name struct wlan_objmgr_psoc *tmp;
88*5113495bSYour Name
89*5113495bSYour Name qdf_spin_lock_bh(&psoc_ptr_lock);
90*5113495bSYour Name tmp = wifi_pos_psoc_obj;
91*5113495bSYour Name if (wifi_pos_psoc_obj)
92*5113495bSYour Name wifi_pos_psoc_obj = NULL;
93*5113495bSYour Name qdf_spin_unlock_bh(&psoc_ptr_lock);
94*5113495bSYour Name
95*5113495bSYour Name if (!tmp)
96*5113495bSYour Name wifi_pos_warn("global psoc obj already cleared");
97*5113495bSYour Name }
98*5113495bSYour Name
99*5113495bSYour Name /**
100*5113495bSYour Name * wifi_pos_get_psoc_priv_obj: returns wifi_pos priv object within psoc
101*5113495bSYour Name * @psoc: pointer to psoc object
102*5113495bSYour Name *
103*5113495bSYour Name * Return: wifi_pos_psoc_priv_obj
104*5113495bSYour Name */
wifi_pos_get_psoc_priv_obj(struct wlan_objmgr_psoc * psoc)105*5113495bSYour Name struct wifi_pos_psoc_priv_obj *wifi_pos_get_psoc_priv_obj(
106*5113495bSYour Name struct wlan_objmgr_psoc *psoc)
107*5113495bSYour Name {
108*5113495bSYour Name struct wifi_pos_psoc_priv_obj *obj;
109*5113495bSYour Name
110*5113495bSYour Name obj = (struct wifi_pos_psoc_priv_obj *)wlan_objmgr_psoc_get_comp_private_obj(psoc,
111*5113495bSYour Name WLAN_UMAC_COMP_WIFI_POS);
112*5113495bSYour Name
113*5113495bSYour Name return obj;
114*5113495bSYour Name }
115*5113495bSYour Name
116*5113495bSYour Name qdf_export_symbol(wifi_pos_get_psoc_priv_obj);
117*5113495bSYour Name
118*5113495bSYour Name struct wifi_pos_vdev_priv_obj *
wifi_pos_get_vdev_priv_obj(struct wlan_objmgr_vdev * vdev)119*5113495bSYour Name wifi_pos_get_vdev_priv_obj(struct wlan_objmgr_vdev *vdev)
120*5113495bSYour Name {
121*5113495bSYour Name struct wifi_pos_vdev_priv_obj *vdev_obj;
122*5113495bSYour Name
123*5113495bSYour Name vdev_obj = (struct wifi_pos_vdev_priv_obj *)wlan_objmgr_vdev_get_comp_private_obj(
124*5113495bSYour Name vdev,
125*5113495bSYour Name WLAN_UMAC_COMP_WIFI_POS);
126*5113495bSYour Name
127*5113495bSYour Name return vdev_obj;
128*5113495bSYour Name }
129*5113495bSYour Name
130*5113495bSYour Name qdf_export_symbol(wifi_pos_get_vdev_priv_obj);
131