126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
/*
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* Copyright (C) 2017 Amlogic, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Description:
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*/
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#ifndef __TAHOE_H__
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#define __TAHOE_H__
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#include <linux/types.h>
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#include <linux/version.h>
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#include <linux/compat.h>
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#if LINUX_VERSION_CODE <= KERNEL_VERSION(6, 3, 13)
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#define KV_CLASS_CONST
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#define KV_CLASS_ATTR_CONST
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#else
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#define KV_CLASS_CONST const //kernel 6.6 change the type of parameter to const
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#define KV_CLASS_ATTR_CONST const //kernel 6.6 change the type of parameter to const
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#endif
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/* Traditionally the remove callback returned an int which however is
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* ignored by the driver core. This led to wrong expectations by driver
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* authors who thought returning an error code was a valid error
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* handling strategy. To convert to a callback returning void, new
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* drivers should implement .
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*/
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#if LINUX_VERSION_CODE <= KERNEL_VERSION(6, 11, 0)
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#define KV_INT_TO_VOID int
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#define KV_RET_x_TO_VOID(a) (a)
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#else
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#define KV_INT_TO_VOID void
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#define KV_RET_x_TO_VOID(a)
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#endif
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#define CHIP_ID 0x0
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#define MAX_CHANNEL 1
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#ifdef CONFIG_COMPAT
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struct compat_venc_drv_buffer_t {
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u32 size;
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u32 cached;
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compat_ulong_t phys_addr;
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compat_ulong_t base; /* kernel logical address in use kernel */
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compat_ulong_t virt_addr; /* virtual user space address */
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};
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#endif
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struct venc_bit_firmware_info_t {
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u32 size; /* size of this structure*/
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ulong reg_base_offset;
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u16 bit_code[512];
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};
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struct venc_inst_info_t {
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u32 inst_idx;
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s32 inst_open_count; /* for output only*/
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};
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struct venc_drv_intr_info_t {
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u32 timeout;
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s32 intr_reason;
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};
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#if 0
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/* To track the allocated memory buffer */
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struct venc_drv_buffer_pool_t {
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struct list_head list;
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struct venc_drv_buffer_t vb;
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struct file *filp;
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};
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#endif
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#define TAHOE_REG_BASE_ADDR 0xFE370000
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#define TAHOE_REG_SIZE 0x10000
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enum {
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IOC_NR_GET_REGISTER_INFO = 0,
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IOC_NR_GET_COMMON_BUF_INFO,
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IOC_NR_WAIT_INTERRUPT,
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IOC_NR_GET_FW_BUF_INFO,
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IOC_NR_ALLOCATE_PHYSICAL_MEMORY,
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IOC_NR_FLUSH_BUFFER,
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IOC_NR_CACHE_INV_BUFFER,
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IOC_NR_FOR_DEBUG,
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};
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#define VENC_DRV_BUF_LEN struct venc_drv_buffer_t
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#ifdef CONFIG_COMPAT
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#define VENC_DRV_BUF_LEN32 struct compat_venc_drv_buffer_t
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#endif
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#define TAHOE_MAGIC 'x'
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#define IOC_GET_REGISTER_INFO _IO(TAHOE_MAGIC, IOC_NR_GET_REGISTER_INFO)
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#define IOC_GET_COMMON_BUF_INFO _IOR(TAHOE_MAGIC, IOC_NR_GET_COMMON_BUF_INFO, VENC_DRV_BUF_LEN)
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#define IOC_WAIT_INTERRUPT _IO(TAHOE_MAGIC, IOC_NR_WAIT_INTERRUPT)
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#define IOC_GET_FW_BUF_INFO _IOR(TAHOE_MAGIC, IOC_NR_GET_FW_BUF_INFO, VENC_DRV_BUF_LEN)
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#define IOC_ALLOCATE_PHYSICAL_MEMORY _IOWR(TAHOE_MAGIC, IOC_NR_ALLOCATE_PHYSICAL_MEMORY, VENC_DRV_BUF_LEN)
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#define IOC_FLUSH_BUFFER _IOW(TAHOE_MAGIC, IOC_NR_FLUSH_BUFFER, VENC_DRV_BUF_LEN)
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#define IOC_CACHE_INV_BUFFER _IOW(TAHOE_MAGIC, IOC_NR_CACHE_INV_BUFFER, VENC_DRV_BUF_LEN)
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#define IOC_NR_FOR_DEBUG _IOR(TAHOE_MAGIC, IOC_NR_FOR_DEBUG, u32)
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#ifdef CONFIG_COMPAT
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#define IOC_GET_COMMON_BUF_INFO32 _IOR(TAHOE_MAGIC, IOC_NR_GET_COMMON_BUF_INFO, VENC_DRV_BUF_LEN32)
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#define IOC_GET_FW_BUF_INFO32 _IOR(TAHOE_MAGIC, IOC_NR_GET_FW_BUF_INFO, VENC_DRV_BUF_LEN32)
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#define IOC_ALLOCATE_PHYSICAL_MEMORY32 _IOWR(TAHOE_MAGIC, IOC_NR_ALLOCATE_PHYSICAL_MEMORY, VENC_DRV_BUF_LEN32)
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#define IOC_FLUSH_BUFFER32 _IOW(TAHOE_MAGIC, IOC_NR_FLUSH_BUFFER, VENC_DRV_BUF_LEN32)
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#define IOC_CACHE_INV_BUFFER32 _IOW(TAHOE_MAGIC, IOC_NR_CACHE_INV_BUFFER, VENC_DRV_BUF_LEN32)
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#endif
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#endif
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