| /* |
| * (C) Copyright 2011 Quantenna Communications Inc. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| |
| #ifndef __BOARD_RUBY_DMA_CACHE_OPS_H |
| #define __BOARD_RUBY_DMA_CACHE_OPS_H |
| |
| static __always_inline dma_addr_t cache_op_before_rx(void *ptr, size_t size, |
| uint8_t cache_is_cleaned) |
| { |
| dma_addr_t ret; |
| |
| if (cache_is_cleaned) { |
| /* Cache is already invalidated, so it is enough to just convert address. */ |
| ret = plat_kernel_addr_to_dma(NULL, ptr); |
| } else { |
| ret = dma_map_single(NULL, ptr, size, DMA_FROM_DEVICE); |
| } |
| |
| return ret; |
| } |
| |
| static __always_inline dma_addr_t cache_op_before_tx(void *ptr, size_t size) |
| { |
| return dma_map_single(NULL, ptr, size, DMA_BIDIRECTIONAL); |
| } |
| |
| #endif // #ifndef __BOARD_RUBY_DMA_CACHE_OPS_H |
| |