1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2017 Etnaviv Project 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __ETNAVIV_CMDBUF_H__ 7*4882a593Smuzhiyun #define __ETNAVIV_CMDBUF_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/types.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun struct device; 12*4882a593Smuzhiyun struct etnaviv_iommu_context; 13*4882a593Smuzhiyun struct etnaviv_vram_mapping; 14*4882a593Smuzhiyun struct etnaviv_cmdbuf_suballoc; 15*4882a593Smuzhiyun struct etnaviv_perfmon_request; 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct etnaviv_cmdbuf { 18*4882a593Smuzhiyun /* suballocator this cmdbuf is allocated from */ 19*4882a593Smuzhiyun struct etnaviv_cmdbuf_suballoc *suballoc; 20*4882a593Smuzhiyun /* cmdbuf properties */ 21*4882a593Smuzhiyun int suballoc_offset; 22*4882a593Smuzhiyun void *vaddr; 23*4882a593Smuzhiyun u32 size; 24*4882a593Smuzhiyun u32 user_size; 25*4882a593Smuzhiyun }; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun struct etnaviv_cmdbuf_suballoc * 28*4882a593Smuzhiyun etnaviv_cmdbuf_suballoc_new(struct device *dev); 29*4882a593Smuzhiyun void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc); 30*4882a593Smuzhiyun int etnaviv_cmdbuf_suballoc_map(struct etnaviv_cmdbuf_suballoc *suballoc, 31*4882a593Smuzhiyun struct etnaviv_iommu_context *context, 32*4882a593Smuzhiyun struct etnaviv_vram_mapping *mapping, 33*4882a593Smuzhiyun u32 memory_base); 34*4882a593Smuzhiyun void etnaviv_cmdbuf_suballoc_unmap(struct etnaviv_iommu_context *context, 35*4882a593Smuzhiyun struct etnaviv_vram_mapping *mapping); 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun int etnaviv_cmdbuf_init(struct etnaviv_cmdbuf_suballoc *suballoc, 39*4882a593Smuzhiyun struct etnaviv_cmdbuf *cmdbuf, u32 size); 40*4882a593Smuzhiyun void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf); 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf, 43*4882a593Smuzhiyun struct etnaviv_vram_mapping *mapping); 44*4882a593Smuzhiyun dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun #endif /* __ETNAVIV_CMDBUF_H__ */ 47