| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * cb710/cb710-mmc.h |
| * |
| * Copyright by Michał Mirosław, 2008-2009 |
| */ |
| #ifndef LINUX_CB710_MMC_H |
| #define LINUX_CB710_MMC_H |
| |
| #include <linux/cb710.h> |
| #include <linux/workqueue.h> |
| |
| /* per-MMC-reader structure */ |
| struct cb710_mmc_reader { |
| struct work_struct finish_req_bh_work; |
| struct mmc_request *mrq; |
| spinlock_t irq_lock; |
| unsigned char last_power_mode; |
| }; |
| |
| /* some device struct walking */ |
| |
| static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot) |
| { |
| return platform_get_drvdata(&slot->pdev); |
| } |
| |
| static inline struct cb710_slot *cb710_mmc_to_slot(struct mmc_host *mmc) |
| { |
| struct platform_device *pdev = to_platform_device(mmc_dev(mmc)); |
| return cb710_pdev_to_slot(pdev); |
| } |
| |
| /* registers (this might be all wrong ;) */ |
| |
| #define CB710_MMC_DATA_PORT 0x00 |
| |
| #define CB710_MMC_CONFIG_PORT 0x04 |
| #define CB710_MMC_CONFIG0_PORT 0x04 |
| #define CB710_MMC_CONFIG1_PORT 0x05 |
| #define CB710_MMC_C1_4BIT_DATA_BUS 0x40 |
| #define CB710_MMC_CONFIG2_PORT 0x06 |
| #define CB710_MMC_C2_READ_PIO_SIZE_MASK 0x0F /* N-1 */ |
| #define CB710_MMC_CONFIG3_PORT 0x07 |
| |
| #define CB710_MMC_CONFIGB_PORT 0x08 |
| |
| #define CB710_MMC_IRQ_ENABLE_PORT 0x0C |
| #define CB710_MMC_IE_TEST_MASK 0x00BF |
| #define CB710_MMC_IE_CARD_INSERTION_STATUS 0x1000 |
| #define CB710_MMC_IE_IRQ_ENABLE 0x8000 |
| #define CB710_MMC_IE_CISTATUS_MASK \ |
| (CB710_MMC_IE_CARD_INSERTION_STATUS|CB710_MMC_IE_IRQ_ENABLE) |
| |
| #define CB710_MMC_STATUS_PORT 0x10 |
| #define CB710_MMC_STATUS_ERROR_EVENTS 0x60FF |
| #define CB710_MMC_STATUS0_PORT 0x10 |
| #define CB710_MMC_S0_FIFO_UNDERFLOW 0x40 |
| #define CB710_MMC_STATUS1_PORT 0x11 |
| #define CB710_MMC_S1_COMMAND_SENT 0x01 |
| #define CB710_MMC_S1_DATA_TRANSFER_DONE 0x02 |
| #define CB710_MMC_S1_PIO_TRANSFER_DONE 0x04 |
| #define CB710_MMC_S1_CARD_CHANGED 0x10 |
| #define CB710_MMC_S1_RESET 0x20 |
| #define CB710_MMC_STATUS2_PORT 0x12 |
| #define CB710_MMC_S2_FIFO_READY 0x01 |
| #define CB710_MMC_S2_FIFO_EMPTY 0x02 |
| #define CB710_MMC_S2_BUSY_10 0x10 |
| #define CB710_MMC_S2_BUSY_20 0x20 |
| #define CB710_MMC_STATUS3_PORT 0x13 |
| #define CB710_MMC_S3_CARD_DETECTED 0x02 |
| #define CB710_MMC_S3_WRITE_PROTECTED 0x04 |
| |
| #define CB710_MMC_CMD_TYPE_PORT 0x14 |
| #define CB710_MMC_RSP_TYPE_MASK 0x0007 |
| #define CB710_MMC_RSP_R1 (0) |
| #define CB710_MMC_RSP_136 (5) |
| #define CB710_MMC_RSP_NO_CRC (2) |
| #define CB710_MMC_RSP_PRESENT_MASK 0x0018 |
| #define CB710_MMC_RSP_NONE (0 << 3) |
| #define CB710_MMC_RSP_PRESENT (1 << 3) |
| #define CB710_MMC_RSP_PRESENT_X (2 << 3) |
| #define CB710_MMC_CMD_TYPE_MASK 0x0060 |
| #define CB710_MMC_CMD_BC (0 << 5) |
| #define CB710_MMC_CMD_BCR (1 << 5) |
| #define CB710_MMC_CMD_AC (2 << 5) |
| #define CB710_MMC_CMD_ADTC (3 << 5) |
| #define CB710_MMC_DATA_READ 0x0080 |
| #define CB710_MMC_CMD_CODE_MASK 0x3F00 |
| #define CB710_MMC_CMD_CODE_SHIFT 8 |
| #define CB710_MMC_IS_APP_CMD 0x4000 |
| #define CB710_MMC_RSP_BUSY 0x8000 |
| |
| #define CB710_MMC_CMD_PARAM_PORT 0x18 |
| #define CB710_MMC_TRANSFER_SIZE_PORT 0x1C |
| #define CB710_MMC_RESPONSE0_PORT 0x20 |
| #define CB710_MMC_RESPONSE1_PORT 0x24 |
| #define CB710_MMC_RESPONSE2_PORT 0x28 |
| #define CB710_MMC_RESPONSE3_PORT 0x2C |
| |
| #endif /* LINUX_CB710_MMC_H */ |
