/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) Rockchip Electronics Co.Ltd
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* Author: Felix Zeng <felix.zeng@rock-chips.com>
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*/
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#ifndef __LINUX_RKNPU_IOCTL_H
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#define __LINUX_RKNPU_IOCTL_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#if !defined(__KERNEL__)
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#define __user
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#endif
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#ifndef __packed
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#define __packed __attribute__((packed))
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#endif
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#define RKNPU_OFFSET_VERSION 0x0
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#define RKNPU_OFFSET_VERSION_NUM 0x4
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#define RKNPU_OFFSET_PC_OP_EN 0x8
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#define RKNPU_OFFSET_PC_DATA_ADDR 0x10
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#define RKNPU_OFFSET_PC_DATA_AMOUNT 0x14
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#define RKNPU_OFFSET_PC_TASK_CONTROL 0x30
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#define RKNPU_OFFSET_PC_DMA_BASE_ADDR 0x34
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#define RKNPU_OFFSET_INT_MASK 0x20
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#define RKNPU_OFFSET_INT_CLEAR 0x24
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#define RKNPU_OFFSET_INT_STATUS 0x28
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#define RKNPU_OFFSET_INT_RAW_STATUS 0x2c
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#define RKNPU_OFFSET_CLR_ALL_RW_AMOUNT 0x8010
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#define RKNPU_OFFSET_DT_WR_AMOUNT 0x8034
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#define RKNPU_OFFSET_DT_RD_AMOUNT 0x8038
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#define RKNPU_OFFSET_WT_RD_AMOUNT 0x803c
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#define RKNPU_OFFSET_ENABLE_MASK 0xf008
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#define RKNPU_INT_CLEAR 0x1ffff
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#define RKNPU_PC_DATA_EXTRA_AMOUNT 4
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#define RKNPU_STR_HELPER(x) #x
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#define RKNPU_GET_DRV_VERSION_STRING(MAJOR, MINOR, PATCHLEVEL) \
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RKNPU_STR_HELPER(MAJOR) \
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"." RKNPU_STR_HELPER(MINOR) "." RKNPU_STR_HELPER(PATCHLEVEL)
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#define RKNPU_GET_DRV_VERSION_CODE(MAJOR, MINOR, PATCHLEVEL) \
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(MAJOR * 10000 + MINOR * 100 + PATCHLEVEL)
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#define RKNPU_GET_DRV_VERSION_MAJOR(CODE) (CODE / 10000)
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#define RKNPU_GET_DRV_VERSION_MINOR(CODE) ((CODE % 10000) / 100)
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#define RKNPU_GET_DRV_VERSION_PATCHLEVEL(CODE) (CODE % 100)
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/* memory type definitions. */
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enum e_rknpu_mem_type {
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/* physically continuous memory and used as default. */
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RKNPU_MEM_CONTIGUOUS = 0 << 0,
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/* physically non-continuous memory. */
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RKNPU_MEM_NON_CONTIGUOUS = 1 << 0,
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/* non-cacheable mapping and used as default. */
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RKNPU_MEM_NON_CACHEABLE = 0 << 1,
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/* cacheable mapping. */
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RKNPU_MEM_CACHEABLE = 1 << 1,
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/* write-combine mapping. */
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RKNPU_MEM_WRITE_COMBINE = 1 << 2,
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/* dma attr kernel mapping */
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RKNPU_MEM_KERNEL_MAPPING = 1 << 3,
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/* iommu mapping */
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RKNPU_MEM_IOMMU = 1 << 4,
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/* zero mapping */
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RKNPU_MEM_ZEROING = 1 << 5,
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/* allocate secure buffer */
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RKNPU_MEM_SECURE = 1 << 6,
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/* allocate from dma32 zone */
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RKNPU_MEM_DMA32 = 1 << 7,
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/* request SRAM */
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RKNPU_MEM_TRY_ALLOC_SRAM = 1 << 8,
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/* request NBUF */
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RKNPU_MEM_TRY_ALLOC_NBUF = 1 << 9,
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RKNPU_MEM_MASK = RKNPU_MEM_NON_CONTIGUOUS | RKNPU_MEM_CACHEABLE |
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RKNPU_MEM_WRITE_COMBINE | RKNPU_MEM_KERNEL_MAPPING |
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RKNPU_MEM_IOMMU | RKNPU_MEM_ZEROING |
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RKNPU_MEM_SECURE | RKNPU_MEM_DMA32 |
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RKNPU_MEM_TRY_ALLOC_SRAM | RKNPU_MEM_TRY_ALLOC_NBUF
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};
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/* sync mode definitions. */
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enum e_rknpu_mem_sync_mode {
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RKNPU_MEM_SYNC_TO_DEVICE = 1 << 0,
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RKNPU_MEM_SYNC_FROM_DEVICE = 1 << 1,
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RKNPU_MEM_SYNC_MASK =
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RKNPU_MEM_SYNC_TO_DEVICE | RKNPU_MEM_SYNC_FROM_DEVICE
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};
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/* job mode definitions. */
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enum e_rknpu_job_mode {
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RKNPU_JOB_SLAVE = 0 << 0,
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RKNPU_JOB_PC = 1 << 0,
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RKNPU_JOB_BLOCK = 0 << 1,
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RKNPU_JOB_NONBLOCK = 1 << 1,
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RKNPU_JOB_PINGPONG = 1 << 2,
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RKNPU_JOB_FENCE_IN = 1 << 3,
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RKNPU_JOB_FENCE_OUT = 1 << 4,
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RKNPU_JOB_MASK = RKNPU_JOB_PC | RKNPU_JOB_NONBLOCK |
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RKNPU_JOB_PINGPONG | RKNPU_JOB_FENCE_IN |
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RKNPU_JOB_FENCE_OUT
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};
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/* action definitions */
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enum e_rknpu_action {
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RKNPU_GET_HW_VERSION = 0,
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RKNPU_GET_DRV_VERSION = 1,
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RKNPU_GET_FREQ = 2,
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RKNPU_SET_FREQ = 3,
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RKNPU_GET_VOLT = 4,
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RKNPU_SET_VOLT = 5,
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RKNPU_ACT_RESET = 6,
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RKNPU_GET_BW_PRIORITY = 7,
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RKNPU_SET_BW_PRIORITY = 8,
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RKNPU_GET_BW_EXPECT = 9,
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RKNPU_SET_BW_EXPECT = 10,
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RKNPU_GET_BW_TW = 11,
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RKNPU_SET_BW_TW = 12,
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RKNPU_ACT_CLR_TOTAL_RW_AMOUNT = 13,
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RKNPU_GET_DT_WR_AMOUNT = 14,
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RKNPU_GET_DT_RD_AMOUNT = 15,
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RKNPU_GET_WT_RD_AMOUNT = 16,
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RKNPU_GET_TOTAL_RW_AMOUNT = 17,
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RKNPU_GET_IOMMU_EN = 18,
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RKNPU_SET_PROC_NICE = 19,
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RKNPU_POWER_ON = 20,
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RKNPU_POWER_OFF = 21,
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RKNPU_GET_TOTAL_SRAM_SIZE = 22,
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RKNPU_GET_FREE_SRAM_SIZE = 23,
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};
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/**
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* User-desired buffer creation information structure.
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*
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* @handle: The handle of the created GEM object.
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* @flags: user request for setting memory type or cache attributes.
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* @size: user-desired memory allocation size.
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* - this size value would be page-aligned internally.
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* @obj_addr: address of RKNPU memory object.
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* @dma_addr: dma address that access by rknpu.
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* @sram_size: user-desired sram memory allocation size.
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* - this size value would be page-aligned internally.
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*/
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struct rknpu_mem_create {
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__u32 handle;
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__u32 flags;
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__u64 size;
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__u64 obj_addr;
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__u64 dma_addr;
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__u64 sram_size;
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};
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/**
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* A structure for getting a fake-offset that can be used with mmap.
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*
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* @handle: handle of gem object.
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* @reserved: just padding to be 64-bit aligned.
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* @offset: a fake-offset of gem object.
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*/
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struct rknpu_mem_map {
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__u32 handle;
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__u32 reserved;
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__u64 offset;
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};
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/**
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* For destroying DMA buffer
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*
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* @handle: handle of the buffer.
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* @reserved: reserved for padding.
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* @obj_addr: rknpu_mem_object addr.
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*/
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struct rknpu_mem_destroy {
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__u32 handle;
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__u32 reserved;
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__u64 obj_addr;
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};
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/**
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* For synchronizing DMA buffer
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*
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* @flags: user request for setting memory type or cache attributes.
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* @reserved: reserved for padding.
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* @obj_addr: address of RKNPU memory object.
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* @offset: offset in bytes from start address of buffer.
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* @size: size of memory region.
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*
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*/
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struct rknpu_mem_sync {
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__u32 flags;
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__u32 reserved;
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__u64 obj_addr;
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__u64 offset;
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__u64 size;
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};
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/**
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* struct rknpu_task structure for task information
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*
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* @flags: flags for task
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* @op_idx: operator index
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* @enable_mask: enable mask
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* @int_mask: interrupt mask
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* @int_clear: interrupt clear
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* @int_status: interrupt status
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* @regcfg_amount: register config number
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* @regcfg_offset: offset for register config
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* @regcmd_addr: address for register command
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*
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*/
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struct rknpu_task {
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__u32 flags;
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__u32 op_idx;
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__u32 enable_mask;
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__u32 int_mask;
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__u32 int_clear;
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__u32 int_status;
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__u32 regcfg_amount;
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__u32 regcfg_offset;
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__u64 regcmd_addr;
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} __packed;
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/**
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* struct rknpu_subcore_task structure for subcore task index
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*
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* @task_start: task start index
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* @task_number: task number
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*
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*/
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struct rknpu_subcore_task {
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__u32 task_start;
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__u32 task_number;
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};
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/**
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* struct rknpu_submit structure for job submit
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*
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* @flags: flags for job submit
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* @timeout: submit timeout
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* @task_start: task start index
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* @task_number: task number
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* @task_counter: task counter
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* @priority: submit priority
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* @task_obj_addr: address of task object
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* @regcfg_obj_addr: address of register config object
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* @task_base_addr: task base address
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* @user_data: (optional) user data
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* @core_mask: core mask of rknpu
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* @fence_fd: dma fence fd
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* @subcore_task: subcore task
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*
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*/
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struct rknpu_submit {
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__u32 flags;
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__u32 timeout;
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__u32 task_start;
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__u32 task_number;
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__u32 task_counter;
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__s32 priority;
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__u64 task_obj_addr;
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__u64 regcfg_obj_addr;
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__u64 task_base_addr;
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__u64 user_data;
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__u32 core_mask;
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__s32 fence_fd;
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struct rknpu_subcore_task subcore_task[5];
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};
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/**
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* struct rknpu_task structure for action (GET, SET or ACT)
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*
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* @flags: flags for action
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* @value: GET or SET value
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*
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*/
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struct rknpu_action {
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__u32 flags;
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__u32 value;
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};
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#define RKNPU_ACTION 0x00
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#define RKNPU_SUBMIT 0x01
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#define RKNPU_MEM_CREATE 0x02
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#define RKNPU_MEM_MAP 0x03
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#define RKNPU_MEM_DESTROY 0x04
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#define RKNPU_MEM_SYNC 0x05
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#define RKNPU_IOC_MAGIC 'r'
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#define RKNPU_IOW(nr, type) _IOW(RKNPU_IOC_MAGIC, nr, type)
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#define RKNPU_IOR(nr, type) _IOR(RKNPU_IOC_MAGIC, nr, type)
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#define RKNPU_IOWR(nr, type) _IOWR(RKNPU_IOC_MAGIC, nr, type)
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#include <drm/drm.h>
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#define DRM_IOCTL_RKNPU_ACTION \
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DRM_IOWR(DRM_COMMAND_BASE + RKNPU_ACTION, struct rknpu_action)
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#define DRM_IOCTL_RKNPU_SUBMIT \
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DRM_IOWR(DRM_COMMAND_BASE + RKNPU_SUBMIT, struct rknpu_submit)
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#define DRM_IOCTL_RKNPU_MEM_CREATE \
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DRM_IOWR(DRM_COMMAND_BASE + RKNPU_MEM_CREATE, struct rknpu_mem_create)
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#define DRM_IOCTL_RKNPU_MEM_MAP \
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DRM_IOWR(DRM_COMMAND_BASE + RKNPU_MEM_MAP, struct rknpu_mem_map)
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#define DRM_IOCTL_RKNPU_MEM_DESTROY \
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DRM_IOWR(DRM_COMMAND_BASE + RKNPU_MEM_DESTROY, struct rknpu_mem_destroy)
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#define DRM_IOCTL_RKNPU_MEM_SYNC \
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DRM_IOWR(DRM_COMMAND_BASE + RKNPU_MEM_SYNC, struct rknpu_mem_sync)
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#define IOCTL_RKNPU_ACTION RKNPU_IOWR(RKNPU_ACTION, struct rknpu_action)
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#define IOCTL_RKNPU_SUBMIT RKNPU_IOWR(RKNPU_SUBMIT, struct rknpu_submit)
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#define IOCTL_RKNPU_MEM_CREATE \
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RKNPU_IOWR(RKNPU_MEM_CREATE, struct rknpu_mem_create)
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#define IOCTL_RKNPU_MEM_MAP RKNPU_IOWR(RKNPU_MEM_MAP, struct rknpu_mem_map)
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#define IOCTL_RKNPU_MEM_DESTROY \
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RKNPU_IOWR(RKNPU_MEM_DESTROY, struct rknpu_mem_destroy)
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#define IOCTL_RKNPU_MEM_SYNC RKNPU_IOWR(RKNPU_MEM_SYNC, struct rknpu_mem_sync)
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#endif
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