123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151 |
- /****************************************************************************
- *
- * The MIT License (MIT)
- *
- * Copyright (c) 2014 - 2021 VERISILICON
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- *****************************************************************************
- *
- * The GPL License (GPL)
- *
- * Copyright (C) 2014 - 2021 VERISILICON
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- *****************************************************************************
- *
- * Note: This software is released under dual MIT and GPL licenses. A
- * recipient may use this file under the terms of either the MIT license or
- * GPL License. If you wish to use only one license not the other, you can
- * indicate your decision by deleting one of the above license notices in your
- * version of this file.
- *
- *****************************************************************************/
- #include "osal.h"
- #include "user_freertos.h"
- #include "io_tools.h"
- #include "memalloc_freertos.h"
- static pthread_mutex_t vcmd_dev_open_count_mutex = PTHREAD_MUTEX_INITIALIZER;
- static u32 vcmd_dev_open_count = 0;
- extern int vcmd; //it is defined in hantro_dec_freertos.c
- /**
- * Unify driver for vcmd, the related vcmd interface besides init/open/release/
- * ioctl will be called in the hantrdec_init/open/release/ioctl when vcmd is used.
- * All drivers's probe should be added and be called by main() explicitly
- */
- int Platform_init() {
- //Firstly, initialize the mem for IO device
- if (memalloc_init() != 0) {
- PDEBUG("memalloc_init error\n");
- assert(0);
- }
- //vcmd will modify if exist vcmd device in hantrodec_init
- if (hantrodec_init() != 0) {
- PDEBUG("hantroenc_init error\n");
- assert(0);
- }
- return 0;
- }
- int freertos_open(const char* dev_name, int flag) {
- //do a hash operator to gain the only dev fd
- //int fd = hash(name);
- int fd = 0; //the default is error id
- if(!strcmp(dev_name, DEC_MODULE_PATH)) {
- fd = DEC_FD << 28;
- if(vcmd) {
- //u32, MSB 4bit for device type, LSB 28bit for reference count
- pthread_mutex_lock(&vcmd_dev_open_count_mutex);
- vcmd_dev_open_count++;
- fd += vcmd_dev_open_count;
- pthread_mutex_unlock(&vcmd_dev_open_count_mutex);
- }
- hantrodec_open(NULL, fd);
- }
- else if(!strcmp(dev_name, MEMALLOC_MODULE_PATH)) {
- fd = MEM_FD << 28;
- memalloc_open(NULL, fd);
- }
- return fd;
- }
- void freertos_close(int fd) {
- //u32, MSB 4bit for device type
- u32 fd_tmp = fd;
- fd_tmp = fd_tmp >> 28;
- switch(fd_tmp) {
- case DEC_FD: {
- hantrodec_release(NULL, fd);
- break;
- }
- case MEM_FD: {
- //so if low in special paltform, could comment it when test, but in normal, it will be opened
- //memalloc_release(NULL, fd);
- break;
- }
- case 0: //for /dev/mem, it it not used, so shouldn't go to default
- break;
- default: {
- PDEBUG("freertos_release fd 0x%x error\n", fd);
- break;
- }
- }
- }
- long freertos_ioctl(int fd, unsigned int cmd, void *arg) {
- long ret = -1;
- //u32, MSB 4bit for device type
- u32 fd_tmp = fd;
- fd_tmp = fd_tmp >> 28;
- switch(fd_tmp) {
- case DEC_FD: {
- ret = hantrodec_ioctl(fd, cmd, arg);
- break;
- }
- case MEM_FD: {
- ret = memalloc_ioctl(fd, cmd, arg);
- break;
- }
- default: {
- PDEBUG("freertos_ioctl fd 0x%x error\n", fd);
- break;
- }
- }
-
- return ret;
- }
|