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The code is divided in two parts. There is a virtual 'bus' driver that handles PCI device and registers three new devices one per card reader type. The other driver handles SD/MMC part of the reader. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/*
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* cb710/cb710-mmc.h
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*
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* Copyright by Michał Mirosław, 2008-2009
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef LINUX_CB710_MMC_H
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#define LINUX_CB710_MMC_H
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#include <linux/cb710.h>
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/* per-MMC-reader structure */
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struct cb710_mmc_reader {
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struct tasklet_struct finish_req_tasklet;
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struct mmc_request *mrq;
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spinlock_t irq_lock;
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unsigned char last_power_mode;
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};
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/* some device struct walking */
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static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot)
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{
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return dev_get_drvdata(&slot->pdev.dev);
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}
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static inline struct cb710_slot *cb710_mmc_to_slot(struct mmc_host *mmc)
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{
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struct platform_device *pdev = container_of(mmc_dev(mmc),
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struct platform_device, dev);
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return cb710_pdev_to_slot(pdev);
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}
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/* registers (this might be all wrong ;) */
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#define CB710_MMC_DATA_PORT 0x00
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#define CB710_MMC_CONFIG_PORT 0x04
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#define CB710_MMC_CONFIG0_PORT 0x04
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#define CB710_MMC_CONFIG1_PORT 0x05
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#define CB710_MMC_C1_4BIT_DATA_BUS 0x40
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#define CB710_MMC_CONFIG2_PORT 0x06
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#define CB710_MMC_C2_READ_PIO_SIZE_MASK 0x0F /* N-1 */
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#define CB710_MMC_CONFIG3_PORT 0x07
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#define CB710_MMC_CONFIGB_PORT 0x08
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#define CB710_MMC_IRQ_ENABLE_PORT 0x0C
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#define CB710_MMC_IE_TEST_MASK 0x00BF
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#define CB710_MMC_IE_CARD_INSERTION_STATUS 0x1000
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#define CB710_MMC_IE_IRQ_ENABLE 0x8000
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#define CB710_MMC_IE_CISTATUS_MASK \
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(CB710_MMC_IE_CARD_INSERTION_STATUS|CB710_MMC_IE_IRQ_ENABLE)
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#define CB710_MMC_STATUS_PORT 0x10
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#define CB710_MMC_STATUS_ERROR_EVENTS 0x60FF
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#define CB710_MMC_STATUS0_PORT 0x10
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#define CB710_MMC_S0_FIFO_UNDERFLOW 0x40
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#define CB710_MMC_STATUS1_PORT 0x11
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#define CB710_MMC_S1_COMMAND_SENT 0x01
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#define CB710_MMC_S1_DATA_TRANSFER_DONE 0x02
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#define CB710_MMC_S1_PIO_TRANSFER_DONE 0x04
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#define CB710_MMC_S1_CARD_CHANGED 0x10
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#define CB710_MMC_S1_RESET 0x20
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#define CB710_MMC_STATUS2_PORT 0x12
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#define CB710_MMC_S2_FIFO_READY 0x01
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#define CB710_MMC_S2_FIFO_EMPTY 0x02
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#define CB710_MMC_S2_BUSY_10 0x10
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#define CB710_MMC_S2_BUSY_20 0x20
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#define CB710_MMC_STATUS3_PORT 0x13
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#define CB710_MMC_S3_CARD_DETECTED 0x02
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#define CB710_MMC_S3_WRITE_PROTECTED 0x04
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#define CB710_MMC_CMD_TYPE_PORT 0x14
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#define CB710_MMC_RSP_TYPE_MASK 0x0007
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#define CB710_MMC_RSP_R1 (0)
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#define CB710_MMC_RSP_136 (5)
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#define CB710_MMC_RSP_NO_CRC (2)
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#define CB710_MMC_RSP_PRESENT_MASK 0x0018
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#define CB710_MMC_RSP_NONE (0 << 3)
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#define CB710_MMC_RSP_PRESENT (1 << 3)
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#define CB710_MMC_RSP_PRESENT_X (2 << 3)
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#define CB710_MMC_CMD_TYPE_MASK 0x0060
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#define CB710_MMC_CMD_BC (0 << 5)
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#define CB710_MMC_CMD_BCR (1 << 5)
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#define CB710_MMC_CMD_AC (2 << 5)
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#define CB710_MMC_CMD_ADTC (3 << 5)
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#define CB710_MMC_DATA_READ 0x0080
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#define CB710_MMC_CMD_CODE_MASK 0x3F00
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#define CB710_MMC_CMD_CODE_SHIFT 8
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#define CB710_MMC_IS_APP_CMD 0x4000
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#define CB710_MMC_RSP_BUSY 0x8000
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#define CB710_MMC_CMD_PARAM_PORT 0x18
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#define CB710_MMC_TRANSFER_SIZE_PORT 0x1C
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#define CB710_MMC_RESPONSE0_PORT 0x20
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#define CB710_MMC_RESPONSE1_PORT 0x24
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#define CB710_MMC_RESPONSE2_PORT 0x28
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#define CB710_MMC_RESPONSE3_PORT 0x2C
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#endif /* LINUX_CB710_MMC_H */
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