| Mike Frysinger | b3e82c7 | 2010-05-05 00:56:30 -0400 | [diff] [blame] | 1 | /* |
| 2 | * dma.h - Blackfin DMA defines/structures/etc... |
| 3 | * |
| 4 | * Copyright 2004-2008 Analog Devices Inc. |
| 5 | * Licensed under the GPL-2 or later. |
| 6 | */ |
| 7 | |
| 8 | #ifndef _BLACKFIN_DMA_H_ |
| 9 | #define _BLACKFIN_DMA_H_ |
| 10 | |
| 11 | #include <asm/mach-common/bits/dma.h> |
| 12 | |
| 13 | struct dmasg_large { |
| 14 | void *next_desc_addr; |
| 15 | unsigned long start_addr; |
| 16 | unsigned short cfg; |
| 17 | unsigned short x_count; |
| 18 | short x_modify; |
| 19 | unsigned short y_count; |
| 20 | short y_modify; |
| 21 | } __attribute__((packed)); |
| 22 | |
| 23 | struct dmasg { |
| 24 | unsigned long start_addr; |
| 25 | unsigned short cfg; |
| 26 | unsigned short x_count; |
| 27 | short x_modify; |
| 28 | unsigned short y_count; |
| 29 | short y_modify; |
| 30 | } __attribute__((packed)); |
| 31 | |
| 32 | struct dma_register { |
| 33 | void *next_desc_ptr; /* DMA Next Descriptor Pointer register */ |
| 34 | unsigned long start_addr; /* DMA Start address register */ |
| 35 | |
| 36 | unsigned short cfg; /* DMA Configuration register */ |
| 37 | unsigned short dummy1; /* DMA Configuration register */ |
| 38 | |
| 39 | unsigned long reserved; |
| 40 | |
| 41 | unsigned short x_count; /* DMA x_count register */ |
| 42 | unsigned short dummy2; |
| 43 | |
| 44 | short x_modify; /* DMA x_modify register */ |
| 45 | unsigned short dummy3; |
| 46 | |
| 47 | unsigned short y_count; /* DMA y_count register */ |
| 48 | unsigned short dummy4; |
| 49 | |
| 50 | short y_modify; /* DMA y_modify register */ |
| 51 | unsigned short dummy5; |
| 52 | |
| 53 | void *curr_desc_ptr; /* DMA Current Descriptor Pointer |
| 54 | register */ |
| 55 | unsigned long curr_addr_ptr; /* DMA Current Address Pointer |
| 56 | register */ |
| 57 | unsigned short irq_status; /* DMA irq status register */ |
| 58 | unsigned short dummy6; |
| 59 | |
| 60 | unsigned short peripheral_map; /* DMA peripheral map register */ |
| 61 | unsigned short dummy7; |
| 62 | |
| 63 | unsigned short curr_x_count; /* DMA Current x-count register */ |
| 64 | unsigned short dummy8; |
| 65 | |
| 66 | unsigned long reserved2; |
| 67 | |
| 68 | unsigned short curr_y_count; /* DMA Current y-count register */ |
| 69 | unsigned short dummy9; |
| 70 | |
| 71 | unsigned long reserved3; |
| 72 | |
| 73 | }; |
| 74 | |
| 75 | #endif |