text: /*
   *  cb710/cb710-mmc.h
   *
   *  Copyright by Michał Mirosław, 2008-2009
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #ifndef LINUX_CB710_MMC_H
  #define LINUX_CB710_MMC_H
  
  #include <linux/cb710.h>
  
  /* per-MMC-reader structure */
  struct cb710_mmc_reader {
  	struct tasklet_struct finish_req_tasklet;
  	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 */
  