| /* |
| * Copyright (c) 2018 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| /** |
| * DOC: define utility API related to the DISA component |
| * called by other components |
| */ |
| |
| #include "wlan_disa_obj_mgmt_api.h" |
| #include "wlan_disa_main.h" |
| #include "target_if_disa.h" |
| #include "wlan_disa_tgt_api.h" |
| |
| /** |
| * disa_init() - register disa notification handlers. |
| * |
| * This function registers disa related notification handlers and |
| * allocates disa context. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success else return error |
| */ |
| QDF_STATUS disa_init(void) |
| { |
| QDF_STATUS status; |
| |
| DISA_ENTER(); |
| |
| if (disa_allocate_ctx() != QDF_STATUS_SUCCESS) { |
| disa_err("unable to allocate disa ctx"); |
| status = QDF_STATUS_E_FAULT; |
| goto out; |
| } |
| |
| status = wlan_objmgr_register_psoc_create_handler( |
| WLAN_UMAC_COMP_DISA, |
| disa_psoc_object_created_notification, |
| NULL); |
| if (status != QDF_STATUS_SUCCESS) { |
| disa_err("unable to register psoc create handler"); |
| goto err_free_ctx; |
| } |
| |
| status = wlan_objmgr_register_psoc_destroy_handler( |
| WLAN_UMAC_COMP_DISA, |
| disa_psoc_object_destroyed_notification, |
| NULL); |
| if (status != QDF_STATUS_SUCCESS) { |
| disa_err("unable to register psoc destroy handler"); |
| wlan_objmgr_unregister_psoc_create_handler( |
| WLAN_UMAC_COMP_DISA, |
| disa_psoc_object_created_notification, |
| NULL); |
| } else { |
| goto out; |
| } |
| |
| err_free_ctx: |
| disa_free_ctx(); |
| out: |
| DISA_EXIT(); |
| |
| return status; |
| } |
| |
| /** |
| * disa_deinit() - unregister disa notification handlers. |
| * |
| * This function unregisters disa related notification handlers and |
| * frees disa context. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success else return error |
| */ |
| QDF_STATUS disa_deinit(void) |
| { |
| QDF_STATUS status; |
| |
| DISA_ENTER(); |
| status = wlan_objmgr_unregister_psoc_destroy_handler( |
| WLAN_UMAC_COMP_DISA, |
| disa_psoc_object_destroyed_notification, |
| NULL); |
| if (status != QDF_STATUS_SUCCESS) |
| disa_err("unable to unregister psoc create handle"); |
| |
| status = wlan_objmgr_unregister_psoc_create_handler( |
| WLAN_UMAC_COMP_DISA, |
| disa_psoc_object_created_notification, |
| NULL); |
| if (status != QDF_STATUS_SUCCESS) |
| disa_err("unable to unregister psoc create handle"); |
| |
| disa_free_ctx(); |
| DISA_EXIT(); |
| |
| return status; |
| } |
| |
| /** |
| * disa_psoc_object_created_notification(): disa psoc create handler |
| * @psoc: psoc which is going to created by objmgr |
| * @arg: argument for psoc create handler |
| * |
| * Attach psoc private object, register rx/tx ops and event handlers |
| * |
| * Return QDF_STATUS status in case of success else return error |
| */ |
| QDF_STATUS disa_psoc_object_created_notification( |
| struct wlan_objmgr_psoc *psoc, void *arg) |
| { |
| struct disa_psoc_priv_obj *disa_priv; |
| QDF_STATUS status; |
| |
| DISA_ENTER(); |
| |
| disa_priv = qdf_mem_malloc(sizeof(*disa_priv)); |
| if (disa_priv == NULL) { |
| disa_err("Failed to allocate disa_priv"); |
| status = QDF_STATUS_E_NOMEM; |
| goto out; |
| } |
| |
| status = wlan_objmgr_psoc_component_obj_attach(psoc, |
| WLAN_UMAC_COMP_DISA, |
| (void *)disa_priv, QDF_STATUS_SUCCESS); |
| if (status != QDF_STATUS_SUCCESS) { |
| disa_err("Failed to attach disa_priv with psoc"); |
| qdf_mem_free(disa_priv); |
| goto out; |
| } |
| |
| qdf_spinlock_create(&disa_priv->lock); |
| target_if_disa_register_tx_ops(&disa_priv->disa_tx_ops); |
| |
| out: |
| DISA_EXIT(); |
| |
| return status; |
| } |
| |
| /** |
| * disa_psoc_object_destroyed_notification(): disa psoc destroy handler |
| * @psoc: objmgr object corresponding to psoc which is going to be destroyed |
| * @arg: argument for psoc destroy handler |
| * |
| * Detach and free psoc private object, unregister event handlers |
| * |
| * Return QDF_STATUS status in case of success else return error |
| */ |
| QDF_STATUS disa_psoc_object_destroyed_notification( |
| struct wlan_objmgr_psoc *psoc, void *arg) |
| { |
| struct disa_psoc_priv_obj *disa_priv = NULL; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| DISA_ENTER(); |
| |
| disa_priv = disa_psoc_get_priv(psoc); |
| |
| status = wlan_objmgr_psoc_component_obj_detach(psoc, |
| WLAN_UMAC_COMP_DISA, |
| (void *)disa_priv); |
| |
| if (status != QDF_STATUS_SUCCESS) |
| disa_err("Failed to detach disa_priv with psoc"); |
| |
| qdf_spinlock_destroy(&disa_priv->lock); |
| qdf_mem_free(disa_priv); |
| DISA_EXIT(); |
| |
| return status; |
| } |
| |
| /** |
| * disa_psoc_enable() - Trigger psoc enable for DISA |
| * @psoc: objmgr psoc object |
| * |
| * Return: QDF status success or failure |
| */ |
| QDF_STATUS disa_psoc_enable(struct wlan_objmgr_psoc *psoc) |
| { |
| return tgt_disa_register_ev_handlers(psoc); |
| |
| } |
| |
| /** |
| * disa_psoc_disable() - Trigger psoc disable for DISA |
| * @psoc: objmgr psoc object |
| * |
| * Return: QDF status success or failure |
| */ |
| QDF_STATUS disa_psoc_disable(struct wlan_objmgr_psoc *psoc) |
| { |
| return tgt_disa_unregister_ev_handlers(psoc); |
| |
| } |
| |