1*5113495bSYour Name /*
2*5113495bSYour Name * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved.
3*5113495bSYour Name *
4*5113495bSYour Name * Permission to use, copy, modify, and/or distribute this software for
5*5113495bSYour Name * any purpose with or without fee is hereby granted, provided that the
6*5113495bSYour Name * above copyright notice and this permission notice appear in all
7*5113495bSYour Name * copies.
8*5113495bSYour Name *
9*5113495bSYour Name * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10*5113495bSYour Name * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11*5113495bSYour Name * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12*5113495bSYour Name * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13*5113495bSYour Name * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14*5113495bSYour Name * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15*5113495bSYour Name * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16*5113495bSYour Name * PERFORMANCE OF THIS SOFTWARE.
17*5113495bSYour Name */
18*5113495bSYour Name /**
19*5113495bSYour Name * DOC: define utility API related to the DISA component
20*5113495bSYour Name * called by other components
21*5113495bSYour Name */
22*5113495bSYour Name
23*5113495bSYour Name #include "wlan_disa_obj_mgmt_api.h"
24*5113495bSYour Name #include "wlan_disa_main.h"
25*5113495bSYour Name #include "target_if_disa.h"
26*5113495bSYour Name #include "wlan_disa_tgt_api.h"
27*5113495bSYour Name #include "wlan_objmgr_global_obj.h"
28*5113495bSYour Name
29*5113495bSYour Name /**
30*5113495bSYour Name * disa_init() - register disa notification handlers.
31*5113495bSYour Name *
32*5113495bSYour Name * This function registers disa related notification handlers and
33*5113495bSYour Name * allocates disa context.
34*5113495bSYour Name *
35*5113495bSYour Name * Return: QDF_STATUS_SUCCESS - in case of success else return error
36*5113495bSYour Name */
disa_init(void)37*5113495bSYour Name QDF_STATUS disa_init(void)
38*5113495bSYour Name {
39*5113495bSYour Name QDF_STATUS status;
40*5113495bSYour Name
41*5113495bSYour Name DISA_ENTER();
42*5113495bSYour Name
43*5113495bSYour Name if (disa_allocate_ctx() != QDF_STATUS_SUCCESS) {
44*5113495bSYour Name disa_err("unable to allocate disa ctx");
45*5113495bSYour Name status = QDF_STATUS_E_FAULT;
46*5113495bSYour Name goto out;
47*5113495bSYour Name }
48*5113495bSYour Name
49*5113495bSYour Name status = wlan_objmgr_register_psoc_create_handler(
50*5113495bSYour Name WLAN_UMAC_COMP_DISA,
51*5113495bSYour Name disa_psoc_object_created_notification,
52*5113495bSYour Name NULL);
53*5113495bSYour Name if (status != QDF_STATUS_SUCCESS) {
54*5113495bSYour Name disa_err("unable to register psoc create handler");
55*5113495bSYour Name goto err_free_ctx;
56*5113495bSYour Name }
57*5113495bSYour Name
58*5113495bSYour Name status = wlan_objmgr_register_psoc_destroy_handler(
59*5113495bSYour Name WLAN_UMAC_COMP_DISA,
60*5113495bSYour Name disa_psoc_object_destroyed_notification,
61*5113495bSYour Name NULL);
62*5113495bSYour Name if (status != QDF_STATUS_SUCCESS) {
63*5113495bSYour Name disa_err("unable to register psoc destroy handler");
64*5113495bSYour Name wlan_objmgr_unregister_psoc_create_handler(
65*5113495bSYour Name WLAN_UMAC_COMP_DISA,
66*5113495bSYour Name disa_psoc_object_created_notification,
67*5113495bSYour Name NULL);
68*5113495bSYour Name } else {
69*5113495bSYour Name goto out;
70*5113495bSYour Name }
71*5113495bSYour Name
72*5113495bSYour Name err_free_ctx:
73*5113495bSYour Name disa_free_ctx();
74*5113495bSYour Name out:
75*5113495bSYour Name DISA_EXIT();
76*5113495bSYour Name
77*5113495bSYour Name return status;
78*5113495bSYour Name }
79*5113495bSYour Name
80*5113495bSYour Name /**
81*5113495bSYour Name * disa_deinit() - unregister disa notification handlers.
82*5113495bSYour Name *
83*5113495bSYour Name * This function unregisters disa related notification handlers and
84*5113495bSYour Name * frees disa context.
85*5113495bSYour Name *
86*5113495bSYour Name * Return: QDF_STATUS_SUCCESS - in case of success else return error
87*5113495bSYour Name */
disa_deinit(void)88*5113495bSYour Name QDF_STATUS disa_deinit(void)
89*5113495bSYour Name {
90*5113495bSYour Name QDF_STATUS status;
91*5113495bSYour Name
92*5113495bSYour Name DISA_ENTER();
93*5113495bSYour Name status = wlan_objmgr_unregister_psoc_destroy_handler(
94*5113495bSYour Name WLAN_UMAC_COMP_DISA,
95*5113495bSYour Name disa_psoc_object_destroyed_notification,
96*5113495bSYour Name NULL);
97*5113495bSYour Name if (status != QDF_STATUS_SUCCESS)
98*5113495bSYour Name disa_err("unable to unregister psoc create handle");
99*5113495bSYour Name
100*5113495bSYour Name status = wlan_objmgr_unregister_psoc_create_handler(
101*5113495bSYour Name WLAN_UMAC_COMP_DISA,
102*5113495bSYour Name disa_psoc_object_created_notification,
103*5113495bSYour Name NULL);
104*5113495bSYour Name if (status != QDF_STATUS_SUCCESS)
105*5113495bSYour Name disa_err("unable to unregister psoc create handle");
106*5113495bSYour Name
107*5113495bSYour Name disa_free_ctx();
108*5113495bSYour Name DISA_EXIT();
109*5113495bSYour Name
110*5113495bSYour Name return status;
111*5113495bSYour Name }
112*5113495bSYour Name
113*5113495bSYour Name /**
114*5113495bSYour Name * disa_psoc_object_created_notification(): disa psoc create handler
115*5113495bSYour Name * @psoc: psoc which is going to created by objmgr
116*5113495bSYour Name * @arg: argument for psoc create handler
117*5113495bSYour Name *
118*5113495bSYour Name * Attach psoc private object, register rx/tx ops and event handlers
119*5113495bSYour Name *
120*5113495bSYour Name * Return QDF_STATUS status in case of success else return error
121*5113495bSYour Name */
disa_psoc_object_created_notification(struct wlan_objmgr_psoc * psoc,void * arg)122*5113495bSYour Name QDF_STATUS disa_psoc_object_created_notification(
123*5113495bSYour Name struct wlan_objmgr_psoc *psoc, void *arg)
124*5113495bSYour Name {
125*5113495bSYour Name struct disa_psoc_priv_obj *disa_priv;
126*5113495bSYour Name QDF_STATUS status;
127*5113495bSYour Name
128*5113495bSYour Name DISA_ENTER();
129*5113495bSYour Name
130*5113495bSYour Name disa_priv = qdf_mem_malloc(sizeof(*disa_priv));
131*5113495bSYour Name if (!disa_priv) {
132*5113495bSYour Name status = QDF_STATUS_E_NOMEM;
133*5113495bSYour Name goto out;
134*5113495bSYour Name }
135*5113495bSYour Name
136*5113495bSYour Name status = wlan_objmgr_psoc_component_obj_attach(psoc,
137*5113495bSYour Name WLAN_UMAC_COMP_DISA,
138*5113495bSYour Name (void *)disa_priv, QDF_STATUS_SUCCESS);
139*5113495bSYour Name if (status != QDF_STATUS_SUCCESS) {
140*5113495bSYour Name disa_err("Failed to attach disa_priv with psoc");
141*5113495bSYour Name qdf_mem_free(disa_priv);
142*5113495bSYour Name goto out;
143*5113495bSYour Name }
144*5113495bSYour Name
145*5113495bSYour Name qdf_spinlock_create(&disa_priv->lock);
146*5113495bSYour Name target_if_disa_register_tx_ops(&disa_priv->disa_tx_ops);
147*5113495bSYour Name
148*5113495bSYour Name out:
149*5113495bSYour Name DISA_EXIT();
150*5113495bSYour Name
151*5113495bSYour Name return status;
152*5113495bSYour Name }
153*5113495bSYour Name
154*5113495bSYour Name /**
155*5113495bSYour Name * disa_psoc_object_destroyed_notification(): disa psoc destroy handler
156*5113495bSYour Name * @psoc: objmgr object corresponding to psoc which is going to be destroyed
157*5113495bSYour Name * @arg: argument for psoc destroy handler
158*5113495bSYour Name *
159*5113495bSYour Name * Detach and free psoc private object, unregister event handlers
160*5113495bSYour Name *
161*5113495bSYour Name * Return QDF_STATUS status in case of success else return error
162*5113495bSYour Name */
disa_psoc_object_destroyed_notification(struct wlan_objmgr_psoc * psoc,void * arg)163*5113495bSYour Name QDF_STATUS disa_psoc_object_destroyed_notification(
164*5113495bSYour Name struct wlan_objmgr_psoc *psoc, void *arg)
165*5113495bSYour Name {
166*5113495bSYour Name struct disa_psoc_priv_obj *disa_priv = NULL;
167*5113495bSYour Name QDF_STATUS status = QDF_STATUS_SUCCESS;
168*5113495bSYour Name
169*5113495bSYour Name DISA_ENTER();
170*5113495bSYour Name
171*5113495bSYour Name disa_priv = disa_psoc_get_priv(psoc);
172*5113495bSYour Name
173*5113495bSYour Name status = wlan_objmgr_psoc_component_obj_detach(psoc,
174*5113495bSYour Name WLAN_UMAC_COMP_DISA,
175*5113495bSYour Name (void *)disa_priv);
176*5113495bSYour Name
177*5113495bSYour Name if (status != QDF_STATUS_SUCCESS)
178*5113495bSYour Name disa_err("Failed to detach disa_priv with psoc");
179*5113495bSYour Name
180*5113495bSYour Name qdf_spinlock_destroy(&disa_priv->lock);
181*5113495bSYour Name qdf_mem_free(disa_priv);
182*5113495bSYour Name DISA_EXIT();
183*5113495bSYour Name
184*5113495bSYour Name return status;
185*5113495bSYour Name }
186*5113495bSYour Name
187*5113495bSYour Name /**
188*5113495bSYour Name * disa_psoc_enable() - Trigger psoc enable for DISA
189*5113495bSYour Name * @psoc: objmgr psoc object
190*5113495bSYour Name *
191*5113495bSYour Name * Return: QDF status success or failure
192*5113495bSYour Name */
disa_psoc_enable(struct wlan_objmgr_psoc * psoc)193*5113495bSYour Name QDF_STATUS disa_psoc_enable(struct wlan_objmgr_psoc *psoc)
194*5113495bSYour Name {
195*5113495bSYour Name return tgt_disa_register_ev_handlers(psoc);
196*5113495bSYour Name }
197*5113495bSYour Name
198*5113495bSYour Name /**
199*5113495bSYour Name * disa_psoc_disable() - Trigger psoc disable for DISA
200*5113495bSYour Name * @psoc: objmgr psoc object
201*5113495bSYour Name *
202*5113495bSYour Name * Return: QDF status success or failure
203*5113495bSYour Name */
disa_psoc_disable(struct wlan_objmgr_psoc * psoc)204*5113495bSYour Name QDF_STATUS disa_psoc_disable(struct wlan_objmgr_psoc *psoc)
205*5113495bSYour Name {
206*5113495bSYour Name return tgt_disa_unregister_ev_handlers(psoc);
207*5113495bSYour Name
208*5113495bSYour Name }
209*5113495bSYour Name
210