diff options
Diffstat (limited to 'include/linux/intel_mid_dma.h')
| -rw-r--r-- | include/linux/intel_mid_dma.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/include/linux/intel_mid_dma.h b/include/linux/intel_mid_dma.h deleted file mode 100644 index 10496bd24c5c..000000000000 --- a/include/linux/intel_mid_dma.h +++ /dev/null | |||
| @@ -1,76 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * intel_mid_dma.h - Intel MID DMA Drivers | ||
| 3 | * | ||
| 4 | * Copyright (C) 2008-10 Intel Corp | ||
| 5 | * Author: Vinod Koul <vinod.koul@intel.com> | ||
| 6 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License as published by | ||
| 10 | * the Free Software Foundation; version 2 of the License. | ||
| 11 | * | ||
| 12 | * This program is distributed in the hope that it will be useful, but | ||
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License along | ||
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
| 19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | ||
| 20 | * | ||
| 21 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
| 22 | * | ||
| 23 | * | ||
| 24 | */ | ||
| 25 | #ifndef __INTEL_MID_DMA_H__ | ||
| 26 | #define __INTEL_MID_DMA_H__ | ||
| 27 | |||
| 28 | #include <linux/dmaengine.h> | ||
| 29 | |||
| 30 | #define DMA_PREP_CIRCULAR_LIST (1 << 10) | ||
| 31 | |||
| 32 | /*DMA mode configurations*/ | ||
| 33 | enum intel_mid_dma_mode { | ||
| 34 | LNW_DMA_PER_TO_MEM = 0, /*periphral to memory configuration*/ | ||
| 35 | LNW_DMA_MEM_TO_PER, /*memory to periphral configuration*/ | ||
| 36 | LNW_DMA_MEM_TO_MEM, /*mem to mem confg (testing only)*/ | ||
| 37 | }; | ||
| 38 | |||
| 39 | /*DMA handshaking*/ | ||
| 40 | enum intel_mid_dma_hs_mode { | ||
| 41 | LNW_DMA_HW_HS = 0, /*HW Handshaking only*/ | ||
| 42 | LNW_DMA_SW_HS = 1, /*SW Handshaking not recommended*/ | ||
| 43 | }; | ||
| 44 | |||
| 45 | /*Burst size configuration*/ | ||
| 46 | enum intel_mid_dma_msize { | ||
| 47 | LNW_DMA_MSIZE_1 = 0x0, | ||
| 48 | LNW_DMA_MSIZE_4 = 0x1, | ||
| 49 | LNW_DMA_MSIZE_8 = 0x2, | ||
| 50 | LNW_DMA_MSIZE_16 = 0x3, | ||
| 51 | LNW_DMA_MSIZE_32 = 0x4, | ||
| 52 | LNW_DMA_MSIZE_64 = 0x5, | ||
| 53 | }; | ||
| 54 | |||
| 55 | /** | ||
| 56 | * struct intel_mid_dma_slave - DMA slave structure | ||
| 57 | * | ||
| 58 | * @dirn: DMA trf direction | ||
| 59 | * @src_width: tx register width | ||
| 60 | * @dst_width: rx register width | ||
| 61 | * @hs_mode: HW/SW handshaking mode | ||
| 62 | * @cfg_mode: DMA data transfer mode (per-per/mem-per/mem-mem) | ||
| 63 | * @src_msize: Source DMA burst size | ||
| 64 | * @dst_msize: Dst DMA burst size | ||
| 65 | * @per_addr: Periphral address | ||
| 66 | * @device_instance: DMA peripheral device instance, we can have multiple | ||
| 67 | * peripheral device connected to single DMAC | ||
| 68 | */ | ||
| 69 | struct intel_mid_dma_slave { | ||
| 70 | enum intel_mid_dma_hs_mode hs_mode; /*handshaking*/ | ||
| 71 | enum intel_mid_dma_mode cfg_mode; /*mode configuration*/ | ||
| 72 | unsigned int device_instance; /*0, 1 for periphral instance*/ | ||
| 73 | struct dma_slave_config dma_slave; | ||
| 74 | }; | ||
| 75 | |||
| 76 | #endif /*__INTEL_MID_DMA_H__*/ | ||
