| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* include/asm-arm/arch-lh7a40x/dma.h |
| 2 | * |
| Marc Singer | 2295196 | 2006-05-16 11:41:27 +0100 | [diff] [blame] | 3 | * Copyright (C) 2005 Marc Singer |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * version 2 as published by the Free Software Foundation. |
| 8 | * |
| 9 | */ |
| Marc Singer | 2295196 | 2006-05-16 11:41:27 +0100 | [diff] [blame] | 10 | |
| 11 | typedef enum { |
| 12 | DMA_M2M0 = 0, |
| 13 | DMA_M2M1 = 1, |
| 14 | DMA_M2P0 = 2, /* Tx */ |
| 15 | DMA_M2P1 = 3, /* Rx */ |
| 16 | DMA_M2P2 = 4, /* Tx */ |
| 17 | DMA_M2P3 = 5, /* Rx */ |
| 18 | DMA_M2P4 = 6, /* Tx - AC97 */ |
| 19 | DMA_M2P5 = 7, /* Rx - AC97 */ |
| 20 | DMA_M2P6 = 8, /* Tx */ |
| 21 | DMA_M2P7 = 9, /* Rx */ |
| 22 | } dma_device_t; |
| 23 | |
| 24 | #define DMA_LENGTH_MAX ((64*1024) - 4) /* bytes */ |
| 25 | |
| 26 | #define DMAC_GCA __REG(DMAC_PHYS + 0x2b80) |
| 27 | #define DMAC_GIR __REG(DMAC_PHYS + 0x2bc0) |
| 28 | |
| 29 | #define DMAC_GIR_MMI1 (1<<11) |
| 30 | #define DMAC_GIR_MMI0 (1<<10) |
| 31 | #define DMAC_GIR_MPI8 (1<<9) |
| 32 | #define DMAC_GIR_MPI9 (1<<8) |
| 33 | #define DMAC_GIR_MPI6 (1<<7) |
| 34 | #define DMAC_GIR_MPI7 (1<<6) |
| 35 | #define DMAC_GIR_MPI4 (1<<5) |
| 36 | #define DMAC_GIR_MPI5 (1<<4) |
| 37 | #define DMAC_GIR_MPI2 (1<<3) |
| 38 | #define DMAC_GIR_MPI3 (1<<2) |
| 39 | #define DMAC_GIR_MPI0 (1<<1) |
| 40 | #define DMAC_GIR_MPI1 (1<<0) |
| 41 | |
| 42 | #define DMAC_M2P0 0x0000 |
| 43 | #define DMAC_M2P1 0x0040 |
| 44 | #define DMAC_M2P2 0x0080 |
| 45 | #define DMAC_M2P3 0x00c0 |
| 46 | #define DMAC_M2P4 0x0240 |
| 47 | #define DMAC_M2P5 0x0200 |
| 48 | #define DMAC_M2P6 0x02c0 |
| 49 | #define DMAC_M2P7 0x0280 |
| 50 | #define DMAC_M2P8 0x0340 |
| 51 | #define DMAC_M2P9 0x0300 |
| 52 | #define DMAC_M2M0 0x0100 |
| 53 | #define DMAC_M2M1 0x0140 |
| 54 | |
| 55 | #define DMAC_P_PCONTROL(c) __REG(DMAC_PHYS + (c) + 0x00) |
| 56 | #define DMAC_P_PINTERRUPT(c) __REG(DMAC_PHYS + (c) + 0x04) |
| 57 | #define DMAC_P_PPALLOC(c) __REG(DMAC_PHYS + (c) + 0x08) |
| 58 | #define DMAC_P_PSTATUS(c) __REG(DMAC_PHYS + (c) + 0x0c) |
| 59 | #define DMAC_P_REMAIN(c) __REG(DMAC_PHYS + (c) + 0x14) |
| 60 | #define DMAC_P_MAXCNT0(c) __REG(DMAC_PHYS + (c) + 0x20) |
| 61 | #define DMAC_P_BASE0(c) __REG(DMAC_PHYS + (c) + 0x24) |
| 62 | #define DMAC_P_CURRENT0(c) __REG(DMAC_PHYS + (c) + 0x28) |
| 63 | #define DMAC_P_MAXCNT1(c) __REG(DMAC_PHYS + (c) + 0x30) |
| 64 | #define DMAC_P_BASE1(c) __REG(DMAC_PHYS + (c) + 0x34) |
| 65 | #define DMAC_P_CURRENT1(c) __REG(DMAC_PHYS + (c) + 0x38) |
| 66 | |
| 67 | #define DMAC_PCONTROL_ENABLE (1<<4) |
| 68 | |
| 69 | #define DMAC_PORT_USB 0 |
| 70 | #define DMAC_PORT_SDMMC 1 |
| 71 | #define DMAC_PORT_AC97_1 2 |
| 72 | #define DMAC_PORT_AC97_2 3 |
| 73 | #define DMAC_PORT_AC97_3 4 |
| 74 | #define DMAC_PORT_UART1 6 |
| 75 | #define DMAC_PORT_UART2 7 |
| 76 | #define DMAC_PORT_UART3 8 |
| 77 | |
| 78 | #define DMAC_PSTATUS_CURRSTATE_SHIFT 4 |
| 79 | #define DMAC_PSTATUS_CURRSTATE_MASK 0x3 |
| 80 | |
| 81 | #define DMAC_PSTATUS_NEXTBUF (1<<6) |
| 82 | #define DMAC_PSTATUS_STALLRINT (1<<0) |
| 83 | |
| 84 | #define DMAC_INT_CHE (1<<3) |
| 85 | #define DMAC_INT_NFB (1<<1) |
| 86 | #define DMAC_INT_STALL (1<<0) |