95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
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/*
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* mods_adsp.c - This file is part of NVIDIA MODS kernel driver.
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*
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* Copyright (c) 2014-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* NVIDIA MODS kernel driver is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* NVIDIA MODS kernel driver is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with NVIDIA MODS kernel driver.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/uaccess.h>
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#include "mods_internal.h"
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#include <linux/tegra_nvadsp.h>
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int esc_mods_adsp_load(struct file *pfile)
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{
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return nvadsp_os_load();
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}
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int esc_mods_adsp_start(struct file *pfile)
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{
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return nvadsp_os_start();
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}
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int esc_mods_adsp_stop(struct file *pfile)
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{
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return nvadsp_os_suspend();
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}
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int esc_mods_adsp_run_app(struct file *pfile, struct MODS_ADSP_RUN_APP_INFO *p)
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{
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int rc = -1;
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int max_retry = 3;
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int rcount = 0;
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nvadsp_app_handle_t handle;
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nvadsp_app_info_t *p_app_info;
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nvadsp_app_args_t app_args;
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handle = nvadsp_app_load(p->app_name, p->app_file_name);
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if (!handle) {
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mods_error_printk("load adsp app fail");
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return -1;
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}
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if (p->argc > 0 && p->argc <= MODS_ADSP_APP_MAX_PARAM) {
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app_args.argc = p->argc;
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memcpy(app_args.argv, p->argv, p->argc * sizeof(__u32));
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p_app_info = nvadsp_app_init(handle, &app_args);
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} else
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p_app_info = nvadsp_app_init(handle, NULL);
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if (!p_app_info) {
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mods_error_printk("init adsp app fail");
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nvadsp_app_unload(handle);
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return -1;
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}
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rc = nvadsp_app_start(p_app_info);
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if (rc) {
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mods_error_printk("start adsp app fail");
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goto failed;
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}
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while (rcount++ < max_retry) {
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rc = wait_for_nvadsp_app_complete_timeout(p_app_info,
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msecs_to_jiffies(p->timeout));
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if (rc == -ERESTARTSYS)
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continue;
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else if (rc == 0) {
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mods_error_printk("app timeout(%d)", p->timeout);
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rc = -1;
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} else if (rc < 0) {
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mods_error_printk("run app failed, err=%d\n", rc);
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rc = -1;
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} else
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rc = 0;
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break;
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}
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failed:
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nvadsp_app_deinit(p_app_info);
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nvadsp_app_unload(handle);
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return rc;
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}
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