| Simon Schwarz | 4c4bb19 | 2011-09-28 05:00:26 +0000 | [diff] [blame] | 1 | #ifndef __SDMA_H |
| 2 | #define __SDMA_H |
| 3 | |
| 4 | /* Copyright (C) 2011 |
| 5 | * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 of |
| 10 | * the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 20 | * MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | /* Functions */ |
| 24 | void omap3_dma_init(void); |
| 25 | int omap3_dma_conf_transfer(uint32_t chan, uint32_t *src, uint32_t *dst, |
| 26 | uint32_t sze); |
| 27 | int omap3_dma_start_transfer(uint32_t chan); |
| 28 | int omap3_dma_wait_for_transfer(uint32_t chan); |
| 29 | int omap3_dma_conf_chan(uint32_t chan, struct dma4_chan *config); |
| 30 | int omap3_dma_get_conf_chan(uint32_t chan, struct dma4_chan *config); |
| 31 | |
| 32 | /* Register settings */ |
| 33 | #define CSDP_DATA_TYPE_8BIT 0x0 |
| 34 | #define CSDP_DATA_TYPE_16BIT 0x1 |
| 35 | #define CSDP_DATA_TYPE_32BIT 0x2 |
| 36 | #define CSDP_SRC_BURST_SINGLE (0x0 << 7) |
| 37 | #define CSDP_SRC_BURST_EN_16BYTES (0x1 << 7) |
| 38 | #define CSDP_SRC_BURST_EN_32BYTES (0x2 << 7) |
| 39 | #define CSDP_SRC_BURST_EN_64BYTES (0x3 << 7) |
| 40 | #define CSDP_DST_BURST_SINGLE (0x0 << 14) |
| 41 | #define CSDP_DST_BURST_EN_16BYTES (0x1 << 14) |
| 42 | #define CSDP_DST_BURST_EN_32BYTES (0x2 << 14) |
| 43 | #define CSDP_DST_BURST_EN_64BYTES (0x3 << 14) |
| 44 | #define CSDP_DST_ENDIAN_LOCK_ADAPT (0x0 << 18) |
| 45 | #define CSDP_DST_ENDIAN_LOCK_LOCK (0x1 << 18) |
| 46 | #define CSDP_DST_ENDIAN_LITTLE (0x0 << 19) |
| 47 | #define CSDP_DST_ENDIAN_BIG (0x1 << 19) |
| 48 | #define CSDP_SRC_ENDIAN_LOCK_ADAPT (0x0 << 20) |
| 49 | #define CSDP_SRC_ENDIAN_LOCK_LOCK (0x1 << 20) |
| 50 | #define CSDP_SRC_ENDIAN_LITTLE (0x0 << 21) |
| 51 | #define CSDP_SRC_ENDIAN_BIG (0x1 << 21) |
| 52 | |
| 53 | #define CCR_READ_PRIORITY_LOW (0x0 << 6) |
| 54 | #define CCR_READ_PRIORITY_HIGH (0x1 << 6) |
| 55 | #define CCR_ENABLE_DISABLED (0x0 << 7) |
| 56 | #define CCR_ENABLE_ENABLE (0x1 << 7) |
| 57 | #define CCR_SRC_AMODE_CONSTANT (0x0 << 12) |
| 58 | #define CCR_SRC_AMODE_POST_INC (0x1 << 12) |
| 59 | #define CCR_SRC_AMODE_SINGLE_IDX (0x2 << 12) |
| 60 | #define CCR_SRC_AMODE_DOUBLE_IDX (0x3 << 12) |
| 61 | #define CCR_DST_AMODE_CONSTANT (0x0 << 14) |
| 62 | #define CCR_DST_AMODE_POST_INC (0x1 << 14) |
| 63 | #define CCR_DST_AMODE_SINGLE_IDX (0x2 << 14) |
| 64 | #define CCR_DST_AMODE_SOUBLE_IDX (0x3 << 14) |
| 65 | |
| 66 | #define CCR_RD_ACTIVE_MASK (1 << 9) |
| 67 | #define CCR_WR_ACTIVE_MASK (1 << 10) |
| 68 | |
| 69 | #define CSR_TRANS_ERR (1 << 8) |
| 70 | #define CSR_SUPERVISOR_ERR (1 << 10) |
| 71 | #define CSR_MISALIGNED_ADRS_ERR (1 << 11) |
| 72 | |
| 73 | /* others */ |
| 74 | #define CHAN_NR_MIN 0 |
| 75 | #define CHAN_NR_MAX 31 |
| 76 | |
| 77 | #endif /* __SDMA_H */ |