diff options
Diffstat (limited to 'drivers/media/platform/sti/hva/hva-mem.h')
| -rw-r--r-- | drivers/media/platform/sti/hva/hva-mem.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/media/platform/sti/hva/hva-mem.h b/drivers/media/platform/sti/hva/hva-mem.h new file mode 100644 index 000000000000..a95c728a45e6 --- /dev/null +++ b/drivers/media/platform/sti/hva/hva-mem.h @@ -0,0 +1,34 @@ +/* + * Copyright (C) STMicroelectronics SA 2015 + * Authors: Yannick Fertre <yannick.fertre@st.com> + * Hugues Fruchet <hugues.fruchet@st.com> + * License terms: GNU General Public License (GPL), version 2 + */ + +#ifndef HVA_MEM_H +#define HVA_MEM_H + +/** + * struct hva_buffer - hva buffer + * + * @name: name of requester + * @paddr: physical address (for hardware) + * @vaddr: virtual address (kernel can read/write) + * @size: size of buffer + */ +struct hva_buffer { + const char *name; + dma_addr_t paddr; + void *vaddr; + u32 size; +}; + +int hva_mem_alloc(struct hva_ctx *ctx, + __u32 size, + const char *name, + struct hva_buffer **buf); + +void hva_mem_free(struct hva_ctx *ctx, + struct hva_buffer *buf); + +#endif /* HVA_MEM_H */ |