1 /* 2 * cb710/cb710-mmc.h 3 * 4 * Copyright by Michał Mirosław, 2008-2009 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 #ifndef LINUX_CB710_MMC_H 11 #define LINUX_CB710_MMC_H 12 13 #include <linux/cb710.h> 14 15 /* per-MMC-reader structure */ 16 struct cb710_mmc_reader { 17 struct tasklet_struct finish_req_tasklet; 18 struct mmc_request *mrq; 19 spinlock_t irq_lock; 20 unsigned char last_power_mode; 21 }; 22 23 /* some device struct walking */ 24 25 static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot) 26 { 27 return platform_get_drvdata(&slot->pdev); 28 } 29 30 static inline struct cb710_slot *cb710_mmc_to_slot(struct mmc_host *mmc) 31 { 32 struct platform_device *pdev = to_platform_device(mmc_dev(mmc)); 33 return cb710_pdev_to_slot(pdev); 34 } 35 36 /* registers (this might be all wrong ;) */ 37 38 #define CB710_MMC_DATA_PORT 0x00 39 40 #define CB710_MMC_CONFIG_PORT 0x04 41 #define CB710_MMC_CONFIG0_PORT 0x04 42 #define CB710_MMC_CONFIG1_PORT 0x05 43 #define CB710_MMC_C1_4BIT_DATA_BUS 0x40 44 #define CB710_MMC_CONFIG2_PORT 0x06 45 #define CB710_MMC_C2_READ_PIO_SIZE_MASK 0x0F /* N-1 */ 46 #define CB710_MMC_CONFIG3_PORT 0x07 47 48 #define CB710_MMC_CONFIGB_PORT 0x08 49 50 #define CB710_MMC_IRQ_ENABLE_PORT 0x0C 51 #define CB710_MMC_IE_TEST_MASK 0x00BF 52 #define CB710_MMC_IE_CARD_INSERTION_STATUS 0x1000 53 #define CB710_MMC_IE_IRQ_ENABLE 0x8000 54 #define CB710_MMC_IE_CISTATUS_MASK \ 55 (CB710_MMC_IE_CARD_INSERTION_STATUS|CB710_MMC_IE_IRQ_ENABLE) 56 57 #define CB710_MMC_STATUS_PORT 0x10 58 #define CB710_MMC_STATUS_ERROR_EVENTS 0x60FF 59 #define CB710_MMC_STATUS0_PORT 0x10 60 #define CB710_MMC_S0_FIFO_UNDERFLOW 0x40 61 #define CB710_MMC_STATUS1_PORT 0x11 62 #define CB710_MMC_S1_COMMAND_SENT 0x01 63 #define CB710_MMC_S1_DATA_TRANSFER_DONE 0x02 64 #define CB710_MMC_S1_PIO_TRANSFER_DONE 0x04 65 #define CB710_MMC_S1_CARD_CHANGED 0x10 66 #define CB710_MMC_S1_RESET 0x20 67 #define CB710_MMC_STATUS2_PORT 0x12 68 #define CB710_MMC_S2_FIFO_READY 0x01 69 #define CB710_MMC_S2_FIFO_EMPTY 0x02 70 #define CB710_MMC_S2_BUSY_10 0x10 71 #define CB710_MMC_S2_BUSY_20 0x20 72 #define CB710_MMC_STATUS3_PORT 0x13 73 #define CB710_MMC_S3_CARD_DETECTED 0x02 74 #define CB710_MMC_S3_WRITE_PROTECTED 0x04 75 76 #define CB710_MMC_CMD_TYPE_PORT 0x14 77 #define CB710_MMC_RSP_TYPE_MASK 0x0007 78 #define CB710_MMC_RSP_R1 (0) 79 #define CB710_MMC_RSP_136 (5) 80 #define CB710_MMC_RSP_NO_CRC (2) 81 #define CB710_MMC_RSP_PRESENT_MASK 0x0018 82 #define CB710_MMC_RSP_NONE (0 << 3) 83 #define CB710_MMC_RSP_PRESENT (1 << 3) 84 #define CB710_MMC_RSP_PRESENT_X (2 << 3) 85 #define CB710_MMC_CMD_TYPE_MASK 0x0060 86 #define CB710_MMC_CMD_BC (0 << 5) 87 #define CB710_MMC_CMD_BCR (1 << 5) 88 #define CB710_MMC_CMD_AC (2 << 5) 89 #define CB710_MMC_CMD_ADTC (3 << 5) 90 #define CB710_MMC_DATA_READ 0x0080 91 #define CB710_MMC_CMD_CODE_MASK 0x3F00 92 #define CB710_MMC_CMD_CODE_SHIFT 8 93 #define CB710_MMC_IS_APP_CMD 0x4000 94 #define CB710_MMC_RSP_BUSY 0x8000 95 96 #define CB710_MMC_CMD_PARAM_PORT 0x18 97 #define CB710_MMC_TRANSFER_SIZE_PORT 0x1C 98 #define CB710_MMC_RESPONSE0_PORT 0x20 99 #define CB710_MMC_RESPONSE1_PORT 0x24 100 #define CB710_MMC_RESPONSE2_PORT 0x28 101 #define CB710_MMC_RESPONSE3_PORT 0x2C 102 103 #endif /* LINUX_CB710_MMC_H */ 104