| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2002 by Alan Korr |
| * Copyright (C) 2008 by Frank Gevaerts |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| #ifndef __SD_H__ |
| #define __SD_H__ |
| |
| #include <stdbool.h> |
| #include "config.h" |
| #include "mv.h" /* for HAVE_MULTIDRIVE or not */ |
| |
| #ifdef HAVE_BOOTLOADER_USB_MODE |
| #define SD_DRIVER_CLOSE |
| #endif |
| |
| #define SD_BLOCK_SIZE 512 /* XXX : support other sizes ? */ |
| |
| struct storage_info; |
| |
| void sd_enable(bool on); |
| void sd_spindown(int seconds); |
| void sd_sleep(void); |
| void sd_sleepnow(void); |
| bool sd_disk_is_active(void); |
| int sd_soft_reset(void); |
| int sd_init(void) STORAGE_INIT_ATTR; |
| void sd_close(void); |
| int sd_read_sectors(IF_MD(int drive,) unsigned long start, int count, void* buf); |
| int sd_write_sectors(IF_MD(int drive,) unsigned long start, int count, const void* buf); |
| void sd_spin(void); |
| int sd_spinup_time(void); /* ticks */ |
| |
| #ifdef STORAGE_GET_INFO |
| void sd_get_info(IF_MD(int drive,) struct storage_info *info); |
| #endif |
| #ifdef HAVE_HOTSWAP |
| bool sd_removable(IF_MD_NONVOID(int drive)); |
| bool sd_present(IF_MD_NONVOID(int drive)); |
| #endif |
| |
| long sd_last_disk_activity(void); |
| |
| #ifdef CONFIG_STORAGE_MULTI |
| int sd_num_drives(int first_drive); |
| #endif |
| |
| |
| /* SD States */ |
| #define SD_IDLE 0 |
| #define SD_READY 1 |
| #define SD_IDENT 2 |
| #define SD_STBY 3 |
| #define SD_TRAN 4 |
| #define SD_DATA 5 |
| #define SD_RCV 6 |
| #define SD_PRG 7 |
| #define SD_DIS 8 |
| |
| /* SD Commands */ |
| #define SD_GO_IDLE_STATE 0 |
| #define SD_ALL_SEND_CID 2 |
| #define SD_SEND_RELATIVE_ADDR 3 |
| #define SD_SET_DSR 4 |
| #define SD_SWITCH_FUNC 6 |
| #define SD_SET_BUS_WIDTH 6 /* acmd6 */ |
| #define SD_SELECT_CARD 7 /* with card's rca */ |
| #define SD_DESELECT_CARD 7 /* with rca = 0 */ |
| #define SD_SEND_IF_COND 8 |
| #define SD_SEND_CSD 9 |
| #define SD_SEND_CID 10 |
| #define SD_STOP_TRANSMISSION 12 |
| #define SD_SEND_STATUS 13 |
| #define SD_SD_STATUS 13 /* acmd13 */ |
| #define SD_GO_INACTIVE_STATE 15 |
| #define SD_SET_BLOCKLEN 16 |
| #define SD_READ_SINGLE_BLOCK 17 |
| #define SD_READ_MULTIPLE_BLOCK 18 |
| #define SD_SEND_NUM_WR_BLOCKS 22 /* acmd22 */ |
| #define SD_SET_WR_BLK_ERASE_COUNT 23 /* acmd23 */ |
| #define SD_WRITE_BLOCK 24 |
| #define SD_WRITE_MULTIPLE_BLOCK 25 |
| #define SD_PROGRAM_CSD 27 |
| #define SD_ERASE_WR_BLK_START 32 |
| #define SD_ERASE_WR_BLK_END 33 |
| #define SD_ERASE 38 |
| #define SD_APP_OP_COND 41 /* acmd41 */ |
| #define SD_LOCK_UNLOCK 42 |
| #define SD_SET_CLR_CARD_DETECT 42 /* acmd42 */ |
| #define SD_SEND_SCR 51 /* acmd51 */ |
| #define SD_APP_CMD 55 |
| |
| /* |
| SD/MMC status in R1, for native mode (SPI bits are different) |
| Type |
| e : error bit |
| s : status bit |
| r : detected and set for the actual command response |
| x : detected and set during command execution. the host must poll |
| the card by sending status command in order to read these bits. |
| Clear condition |
| a : according to the card state |
| b : always related to the previous command. Reception of |
| a valid command will clear it (with a delay of one command) |
| c : clear by read |
| */ |
| |
| #define SD_R1_OUT_OF_RANGE (1 << 31) /* erx, c */ |
| #define SD_R1_ADDRESS_ERROR (1 << 30) /* erx, c */ |
| #define SD_R1_BLOCK_LEN_ERROR (1 << 29) /* erx, c */ |
| #define SD_R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */ |
| #define SD_R1_ERASE_PARAM (1 << 27) /* exx, c */ |
| #define SD_R1_WP_VIOLATION (1 << 26) /* erx, c */ |
| #define SD_R1_CARD_IS_LOCKED (1 << 25) /* sx, a */ |
| #define SD_R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */ |
| #define SD_R1_COM_CRC_ERROR (1 << 23) /* er, b */ |
| #define SD_R1_ILLEGAL_COMMAND (1 << 22) /* er, b */ |
| #define SD_R1_CARD_ECC_FAILED (1 << 21) /* erx, c */ |
| #define SD_R1_CC_ERROR (1 << 20) /* erx, c */ |
| #define SD_R1_ERROR (1 << 19) /* erx, c */ |
| #define SD_R1_UNDERRUN (1 << 18) /* ex, c */ |
| #define SD_R1_OVERRUN (1 << 17) /* ex, c */ |
| #define SD_R1_CSD_OVERWRITE (1 << 16) /* erx, c */ |
| #define SD_R1_WP_ERASE_SKIP (1 << 15) /* erx, c */ |
| #define SD_R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */ |
| #define SD_R1_ERASE_RESET (1 << 13) /* sr, c */ |
| #define SD_R1_STATUS(x) (x & 0xFFFFE000) |
| #define SD_R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */ |
| #define SD_R1_READY_FOR_DATA (1 << 8) /* sx, a */ |
| #define SD_R1_APP_CMD (1 << 5) /* sr, c */ |
| #define SD_R1_AKE_SEQ_ERROR (1 << 3) /* er, c */ |
| |
| /* SD OCR bits */ |
| #define SD_OCR_CARD_CAPACITY_STATUS (1 << 30) /* Card Capacity Status */ |
| |
| /* All R1 Response flags that indicate Card error(vs MCI Controller error) */ |
| #define SD_R1_CARD_ERROR ( SD_R1_OUT_OF_RANGE \ |
| | SD_R1_ADDRESS_ERROR \ |
| | SD_R1_BLOCK_LEN_ERROR \ |
| | SD_R1_ERASE_SEQ_ERROR \ |
| | SD_R1_ERASE_PARAM \ |
| | SD_R1_WP_VIOLATION \ |
| | SD_R1_LOCK_UNLOCK_FAILED \ |
| | SD_R1_COM_CRC_ERROR \ |
| | SD_R1_ILLEGAL_COMMAND \ |
| | SD_R1_CARD_ECC_FAILED \ |
| | SD_R1_CC_ERROR \ |
| | SD_R1_ERROR \ |
| | SD_R1_UNDERRUN \ |
| | SD_R1_CSD_OVERWRITE \ |
| | SD_R1_WP_ERASE_SKIP \ |
| | SD_R1_AKE_SEQ_ERROR) |
| |
| |
| #endif |