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