| Cliff Cai | 7ed11ee | 2008-11-29 18:22:38 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 Analog Device Inc. |
| 3 | * |
| 4 | * See file CREDITS for list of people who contributed to this |
| 5 | * project. |
| 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 | #ifndef __BLACKFIN_SDH_H__ |
| 23 | #define __BLACKFIN_SDH_H__ |
| 24 | |
| 25 | #define MMC_RSP_PRESENT (1 << 0) |
| 26 | #define MMC_RSP_136 (1 << 1) /* 136 bit response */ |
| 27 | #define MMC_RSP_CRC (1 << 2) /* expect valid crc */ |
| 28 | #define MMC_RSP_BUSY (1 << 3) /* card may send busy */ |
| 29 | #define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */ |
| 30 | |
| 31 | #define MMC_CMD_MASK (3 << 5) /* non-SPI command type */ |
| 32 | #define MMC_CMD_AC (0 << 5) |
| 33 | #define MMC_CMD_ADTC (1 << 5) |
| 34 | #define MMC_CMD_BC (2 << 5) |
| 35 | #define MMC_CMD_BCR (3 << 5) |
| 36 | |
| 37 | #define MMC_RSP_SPI_S1 (1 << 7) /* one status byte */ |
| 38 | #define MMC_RSP_SPI_S2 (1 << 8) /* second byte */ |
| 39 | #define MMC_RSP_SPI_B4 (1 << 9) /* four data bytes */ |
| 40 | #define MMC_RSP_SPI_BUSY (1 << 10) /* card may send busy */ |
| 41 | |
| 42 | /* |
| 43 | * These are the native response types, and correspond to valid bit |
| 44 | * patterns of the above flags. One additional valid pattern |
| 45 | * is all zeros, which means we don't expect a response. |
| 46 | */ |
| 47 | #define MMC_RSP_NONE (0) |
| 48 | #define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) |
| 49 | #define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY) |
| 50 | #define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC) |
| 51 | #define MMC_RSP_R3 (MMC_RSP_PRESENT) |
| 52 | #define MMC_RSP_R4 (MMC_RSP_PRESENT) |
| 53 | #define MMC_RSP_R5 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) |
| 54 | #define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) |
| 55 | #define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) |
| 56 | #define ILLEGAL_COMMAND (1 << 22) |
| 57 | #define APP_CMD (1 << 5) |
| 58 | |
| 59 | #endif |