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- /****************************************************************************
- *
- * 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.
- *
- *****************************************************************************/
- #ifndef _HANTROMMU_H_
- #define _HANTROMMU_H_
- #ifdef __cplusplus
- extern "C" {
- #endif
- #ifdef __FREERTOS__
- #elif defined(__linux__)
- #include <linux/fs.h>
- #endif
- #define REGION_IN_START 0x0
- #define REGION_IN_END 0x0
- #define REGION_OUT_START 0x0
- #define REGION_OUT_END 0x0
- #define REGION_PRIVATE_START 0x0
- #define REGION_PRIVATE_END 0x0
- #define REGION_IN_MMU_START 0x1000
- #define REGION_IN_MMU_END 0x40002000
- #define REGION_OUT_MMU_START 0x40002000
- #define REGION_OUT_MMU_END 0x40002000
- #define REGION_PRIVATE_MMU_START 0x40002000
- #define REGION_PRIVATE_MMU_END 0x40002000
- #define MMU_REG_OFFSET 0
- #define MMU_REG_HW_ID (MMU_REG_OFFSET + 6*4)
- #define MMU_REG_FLUSH (MMU_REG_OFFSET + 97*4)
- #define MMU_REG_PAGE_TABLE_ID (MMU_REG_OFFSET + 107*4)
- #define MMU_REG_CONTROL (MMU_REG_OFFSET + 226*4)
- #define MMU_REG_ADDRESS (MMU_REG_OFFSET + 227*4)
- #define MMU_REG_ADDRESS_MSB (MMU_REG_OFFSET + 228*4)
- #define MTLB_PCIE_START_ADDRESS 0x00100000
- #define PAGE_PCIE_START_ADDRESS 0x00200000 /* page_table_entry start address */
- #define STLB_PCIE_START_ADDRESS 0x00300000
- #define PAGE_TABLE_ENTRY_SIZE 64
- enum MMUStatus {
- MMU_STATUS_OK = 0,
- MMU_STATUS_FALSE = -1,
- MMU_STATUS_INVALID_ARGUMENT = -2,
- MMU_STATUS_INVALID_OBJECT = -3,
- MMU_STATUS_OUT_OF_MEMORY = -4,
- MMU_STATUS_NOT_FOUND = -19,
- };
- struct addr_desc {
- void *virtual_address; /* buffer virtual address */
- unsigned int bus_address; /* buffer physical address */
- unsigned int size; /* physical size */
- };
- struct kernel_addr_desc {
- unsigned long long bus_address; /* buffer virtual address */
- unsigned int mmu_bus_address; /* buffer physical address in MMU*/
- unsigned int size; /* physical size */
- };
- #define HANTRO_IOC_MMU 'm'
- #define HANTRO_IOCS_MMU_MEM_MAP _IOWR(HANTRO_IOC_MMU, 1, struct addr_desc *)
- #define HANTRO_IOCS_MMU_MEM_UNMAP _IOWR(HANTRO_IOC_MMU, 2, struct addr_desc *)
- #define HANTRO_IOCS_MMU_ENABLE _IOWR(HANTRO_IOC_MMU, 3, unsigned int *)
- #define HANTRO_IOCS_MMU_FLUSH _IOWR(HANTRO_IOC_MMU, 4, unsigned int *)
- #define HANTRO_IOC_MMU_MAXNR 4
- #define MAX_SUBSYS_NUM 4 /* up to 4 subsystem (temporary) */
- #define HXDEC_MAX_CORES MAX_SUBSYS_NUM /* used in hantro_dec.c */
- /* Init MMU, should be called in driver init function. */
- enum MMUStatus MMUInit(volatile unsigned char *hwregs);
- /* Clean up all data in MMU, should be called in driver cleanup function
- when rmmod driver*/
- enum MMUStatus MMUCleanup(volatile unsigned char *hwregs[MAX_SUBSYS_NUM][2]);
- /* The function should be called in driver realease function
- when driver exit unnormally */
- enum MMUStatus MMURelease(void *filp, volatile unsigned char *hwregs);
- enum MMUStatus MMUEnable(volatile unsigned char *hwregs[MAX_SUBSYS_NUM][2]);
- /* Used in kernel to map buffer */
- enum MMUStatus MMUKernelMemNodeMap(struct kernel_addr_desc *addr);
- /* Used in kernel to unmap buffer */
- enum MMUStatus MMUKernelMemNodeUnmap(struct kernel_addr_desc *addr);
- unsigned long long GetMMUAddress(void);
- long MMUIoctl(unsigned int cmd, void *filp, unsigned long arg,
- volatile unsigned char *hwregs[MAX_SUBSYS_NUM][2]);
- void MMURestore(volatile unsigned char *hwregs[MAX_SUBSYS_NUM][2]);
- #ifdef __cplusplus
- }
- #endif
- #endif
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