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git://nv-tegra.nvidia.com/linux-nv-oot.git
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2bed40f6fe
- dce-os-worker.c/.h module exposes functionality which allows
DCE KMD clients to wait/signal events.
- The current abstraction of this module has following drawbacks
which this change attempts to address:
* Name: dce-os-worker is a misnomer
- Rename to dce-wait-cond.c/.h and make it a dce-kmd core file.
- Rename functions accordingly.
* dce-os-worker module initializes data structures from tegra_dce
which makes it ineligible for re-use.
- dce-client-ipc can re-use this module as it uses exact
same functionality.
- But this module is tied with DCE-KMD core such that it has
functions that operate on fixed known inputs.
- dce_os_work_cond_sw_resource_init/deinit()
Inits/Deinits most but not all condition var resources
from tegra_dce. Eg. dce-client-ipc resources
are not initialized.
- Move this function to new core file:dce-waiters.c
- All other functions require msg_id as input and can only
operate on DCE_WAIT* resources making it ineligible
to be used by other clients like dce-client-ipc.
- Refactor these fucntions to operate on
individual wait conditions so that all DCE-KMD
core modules can reuse them.
- Additionally, this change will also remove unused functions
and macros from dce-os-cond.c/.h
- dce-client-ipc will also switch to use dce-wait-cond interface
for client ipc waits.
- Make dce-os-cond.h a common file and move OS specific impl
to dce-os-cond-internal.h
JIRA TDS-16581
Change-Id: Ie8c6ec724e48cde66917fab4aa43e7da464ef8fb
Signed-off-by: anupamg <anupamg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3258562
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
Reviewed-by: Arun Swain <arswain@nvidia.com>
130 lines
2.2 KiB
C
130 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* SPDX-FileCopyrightText: Copyright (c) 2019-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*/
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#include <dce.h>
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#include <dce-os-utils.h>
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/**
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* dce_driver_start - Start executing DCE logic
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*
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* @d : Pointer to tegra_dce struct.
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*
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* Returns void
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*/
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void dce_driver_start(struct tegra_dce *d)
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{
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dce_fsm_start(d);
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}
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/**
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* dce_driver_stop - Stop executing DCE logic
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*
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* @d : Pointer to tegra_dce struct.
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*
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* Returns void
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*/
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void dce_driver_stop(struct tegra_dce *d)
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{
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dce_fsm_stop(d);
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}
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/**
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* dce_driver_init - Initializes the various sw components
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* and few hw elements dce.
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*
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* @d : Pointer to tegra_dce struct.
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*
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* Return : 0 if successful.
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*/
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int dce_driver_init(struct tegra_dce *d)
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{
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int ret = 0;
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/**
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* Set dce boot satus to false
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*/
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dce_set_boot_complete(d, false);
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ret = dce_boot_interface_init(d);
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if (ret) {
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dce_os_err(d, "dce boot interface init failed");
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goto err_boot_interface_init;
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}
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ret = dce_admin_init(d);
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if (ret) {
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dce_os_err(d, "dce admin interface init failed");
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goto err_admin_interface_init;
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}
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ret = dce_client_init(d);
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if (ret) {
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dce_os_err(d, "dce client workqueue init failed");
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goto err_client_init;
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}
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ret = dce_pm_init(d);
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if (ret) {
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dce_os_err(d, "Failed to init DCE Power management");
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goto err_pm_init;
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}
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ret = dce_waiters_init(d);
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if (ret) {
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dce_os_err(d, "dce sw resource init failed");
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goto err_sw_init;
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}
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ret = dce_fsm_init_unlocked(d);
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if (ret) {
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dce_os_err(d, "dce FSM init failed");
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goto err_fsm_init;
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}
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return ret;
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err_fsm_init:
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dce_waiters_deinit(d);
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err_sw_init:
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dce_pm_deinit(d);
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err_pm_init:
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dce_client_deinit(d);
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err_client_init:
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dce_admin_deinit(d);
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err_admin_interface_init:
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dce_boot_interface_deinit(d);
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err_boot_interface_init:
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d->boot_status |= DCE_STATUS_FAILED;
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return ret;
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}
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/**
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* dce_driver_deinit - Release various sw resources
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* associated with dce.
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*
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* @d : Pointer to tegra_dce struct.
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*
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* Return : Void
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*/
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void dce_driver_deinit(struct tegra_dce *d)
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{
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/* TODO : Reset DCE ? */
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dce_fsm_deinit_unlocked(d);
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dce_waiters_deinit(d);
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dce_pm_deinit(d);
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dce_client_deinit(d);
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dce_admin_deinit(d);
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dce_boot_interface_deinit(d);
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dce_os_release_fw(d, d->fw_data);
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}
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