diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h b/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h new file mode 100644 index 000000000..ad6fd8eb0 --- /dev/null +++ b/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2017 Etnaviv Project + */ + +#ifndef __ETNAVIV_CMDBUF_H__ +#define __ETNAVIV_CMDBUF_H__ + +#include <linux/types.h> + +struct device; +struct etnaviv_iommu_context; +struct etnaviv_vram_mapping; +struct etnaviv_cmdbuf_suballoc; +struct etnaviv_perfmon_request; + +struct etnaviv_cmdbuf { + /* suballocator this cmdbuf is allocated from */ + struct etnaviv_cmdbuf_suballoc *suballoc; + /* cmdbuf properties */ + int suballoc_offset; + void *vaddr; + u32 size; + u32 user_size; +}; + +struct etnaviv_cmdbuf_suballoc * +etnaviv_cmdbuf_suballoc_new(struct device *dev); +void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc); +int etnaviv_cmdbuf_suballoc_map(struct etnaviv_cmdbuf_suballoc *suballoc, + struct etnaviv_iommu_context *context, + struct etnaviv_vram_mapping *mapping, + u32 memory_base); +void etnaviv_cmdbuf_suballoc_unmap(struct etnaviv_iommu_context *context, + struct etnaviv_vram_mapping *mapping); + + +int etnaviv_cmdbuf_init(struct etnaviv_cmdbuf_suballoc *suballoc, + struct etnaviv_cmdbuf *cmdbuf, u32 size); +void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf); + +u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf, + struct etnaviv_vram_mapping *mapping); +dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf); + +#endif /* __ETNAVIV_CMDBUF_H__ */ |