 5f5bac8272
			
		
	
	
	5f5bac8272
	
	
	
		
			
			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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| 
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| #include <linux/cb710.h>
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| 
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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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| 
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| /* some device struct walking */
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| 
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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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| 
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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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| 
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| /* registers (this might be all wrong ;) */
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| 
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| #define CB710_MMC_DATA_PORT		0x00
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| 
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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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| 
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| #define CB710_MMC_CONFIGB_PORT		0x08
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| #endif /* LINUX_CB710_MMC_H */
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