1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * cb710/cb710-mmc.h 4 * 5 * Copyright by Michał Mirosław, 2008-2009 6 */ 7 #ifndef LINUX_CB710_MMC_H 8 #define LINUX_CB710_MMC_H 9 10 #include <linux/cb710.h> 11 #include <linux/workqueue.h> 12 13 /* per-MMC-reader structure */ 14 struct cb710_mmc_reader { 15 struct work_struct finish_req_bh_work; 16 struct mmc_request *mrq; 17 spinlock_t irq_lock; 18 unsigned char last_power_mode; 19 }; 20 21 /* some device struct walking */ 22 23 static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot) 24 { 25 return platform_get_drvdata(&slot->pdev); 26 } 27 28 static inline struct cb710_slot *cb710_mmc_to_slot(struct mmc_host *mmc) 29 { 30 struct platform_device *pdev = to_platform_device(mmc_dev(mmc)); 31 return cb710_pdev_to_slot(pdev); 32 } 33 34 /* registers (this might be all wrong ;) */ 35 36 #define CB710_MMC_DATA_PORT 0x00 37 38 #define CB710_MMC_CONFIG_PORT 0x04 39 #define CB710_MMC_CONFIG0_PORT 0x04 40 #define CB710_MMC_CONFIG1_PORT 0x05 41 #define CB710_MMC_C1_4BIT_DATA_BUS 0x40 42 #define CB710_MMC_CONFIG2_PORT 0x06 43 #define CB710_MMC_C2_READ_PIO_SIZE_MASK 0x0F /* N-1 */ 44 #define CB710_MMC_CONFIG3_PORT 0x07 45 46 #define CB710_MMC_CONFIGB_PORT 0x08 47 48 #define CB710_MMC_IRQ_ENABLE_PORT 0x0C 49 #define CB710_MMC_IE_TEST_MASK 0x00BF 50 #define CB710_MMC_IE_CARD_INSERTION_STATUS 0x1000 51 #define CB710_MMC_IE_IRQ_ENABLE 0x8000 52 #define CB710_MMC_IE_CISTATUS_MASK \ 53 (CB710_MMC_IE_CARD_INSERTION_STATUS|CB710_MMC_IE_IRQ_ENABLE) 54 55 #define CB710_MMC_STATUS_PORT 0x10 56 #define CB710_MMC_STATUS_ERROR_EVENTS 0x60FF 57 #define CB710_MMC_STATUS0_PORT 0x10 58 #define CB710_MMC_S0_FIFO_UNDERFLOW 0x40 59 #define CB710_MMC_STATUS1_PORT 0x11 60 #define CB710_MMC_S1_COMMAND_SENT 0x01 61 #define CB710_MMC_S1_DATA_TRANSFER_DONE 0x02 62 #define CB710_MMC_S1_PIO_TRANSFER_DONE 0x04 63 #define CB710_MMC_S1_CARD_CHANGED 0x10 64 #define CB710_MMC_S1_RESET 0x20 65 #define CB710_MMC_STATUS2_PORT 0x12 66 #define CB710_MMC_S2_FIFO_READY 0x01 67 #define CB710_MMC_S2_FIFO_EMPTY 0x02 68 #define CB710_MMC_S2_BUSY_10 0x10 69 #define CB710_MMC_S2_BUSY_20 0x20 70 #define CB710_MMC_STATUS3_PORT 0x13 71 #define CB710_MMC_S3_CARD_DETECTED 0x02 72 #define CB710_MMC_S3_WRITE_PROTECTED 0x04 73 74 #define CB710_MMC_CMD_TYPE_PORT 0x14 75 #define CB710_MMC_RSP_TYPE_MASK 0x0007 76 #define CB710_MMC_RSP_R1 (0) 77 #define CB710_MMC_RSP_136 (5) 78 #define CB710_MMC_RSP_NO_CRC (2) 79 #define CB710_MMC_RSP_PRESENT_MASK 0x0018 80 #define CB710_MMC_RSP_NONE (0 << 3) 81 #define CB710_MMC_RSP_PRESENT (1 << 3) 82 #define CB710_MMC_RSP_PRESENT_X (2 << 3) 83 #define CB710_MMC_CMD_TYPE_MASK 0x0060 84 #define CB710_MMC_CMD_BC (0 << 5) 85 #define CB710_MMC_CMD_BCR (1 << 5) 86 #define CB710_MMC_CMD_AC (2 << 5) 87 #define CB710_MMC_CMD_ADTC (3 << 5) 88 #define CB710_MMC_DATA_READ 0x0080 89 #define CB710_MMC_CMD_CODE_MASK 0x3F00 90 #define CB710_MMC_CMD_CODE_SHIFT 8 91 #define CB710_MMC_IS_APP_CMD 0x4000 92 #define CB710_MMC_RSP_BUSY 0x8000 93 94 #define CB710_MMC_CMD_PARAM_PORT 0x18 95 #define CB710_MMC_TRANSFER_SIZE_PORT 0x1C 96 #define CB710_MMC_RESPONSE0_PORT 0x20 97 #define CB710_MMC_RESPONSE1_PORT 0x24 98 #define CB710_MMC_RESPONSE2_PORT 0x28 99 #define CB710_MMC_RESPONSE3_PORT 0x2C 100 101 #endif /* LINUX_CB710_MMC_H */ 102