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/* Driver for USB Mass Storage compliant devices */
#ifndef _USB_H_
#define _USB_H_
#include <linux/usb.h>
#include <linux/usb_usual.h>
#include <linux/blkdev.h>
#include <linux/completion.h>
#include <linux/mutex.h>
#include <scsi/scsi_host.h>
#include "common.h"
struct us_data;
struct scsi_cmnd;
/*
* Unusual device list definitions
*/
struct us_unusual_dev {
const char *vendorName;
const char *productName;
__u8 useProtocol;
__u8 useTransport;
int (*initFunction)(struct us_data *);
};
/* EnE HW Register */
#define REG_CARD_STATUS 0xFF83
#define REG_HW_TRAP1 0xFF89
/* SRB Status. Refers /usr/include/wine/wine/wnaspi32.h & SCSI sense key */
#define SS_SUCCESS 0x00 /* No Sense */
#define SS_NOT_READY 0x02
#define SS_MEDIUM_ERR 0x03
#define SS_HW_ERR 0x04
#define SS_ILLEGAL_REQUEST 0x05
#define SS_UNIT_ATTENTION 0x06
/* ENE Load FW Pattern */
#define SD_INIT1_PATTERN 1
#define SD_INIT2_PATTERN 2
#define SD_RW_PATTERN 3
#define MS_INIT_PATTERN 4
#define MSP_RW_PATTERN 5
#define MS_RW_PATTERN 6
#define SM_INIT_PATTERN 7
#define SM_RW_PATTERN 8
#define FDIR_WRITE 0
#define FDIR_READ 1
struct keucr_sd_status {
u8 Insert:1;
u8 Ready:1;
u8 MediaChange:1;
u8 IsMMC:1;
u8 HiCapacity:1;
u8 HiSpeed:1;
u8 WtP:1;
u8 Reserved:1;
};
struct keucr_ms_status {
u8 Insert:1;
u8 Ready:1;
u8 MediaChange:1;
u8 IsMSPro:1;
u8 IsMSPHG:1;
u8 Reserved1:1;
u8 WtP:1;
u8 Reserved2:1;
};
struct keucr_sm_status {
u8 Insert:1;
u8 Ready:1;
u8 MediaChange:1;
u8 Reserved:3;
u8 WtP:1;
u8 IsMS:1;
};
/* SD Block Length */
#define SD_BLOCK_LEN 9 /* 2^9 = 512 Bytes,
The HW maximum read/write data length */
/* Dynamic bitflag definitions (us->dflags): used in set_bit() etc. */
#define US_FLIDX_URB_ACTIVE 0 /* current_urb is in use */
#define US_FLIDX_SG_ACTIVE 1 /* current_sg is in use */
#define US_FLIDX_ABORTING 2 /* abort is in progress */
#define US_FLIDX_DISCONNECTING 3 /* disconnect in progress */
#define US_FLIDX_RESETTING 4 /* device reset in progress */
#define US_FLIDX_TIMED_OUT 5 /* SCSI midlayer timed out */
#define US_FLIDX_DONT_SCAN 6 /* don't scan (disconnect) */
#define USB_STOR_STRING_LEN 32
/*
* We provide a DMA-mapped I/O buffer for use with small USB transfers.
* It turns out that CB[I] needs a 12-byte buffer and Bulk-only needs a
* 31-byte buffer. But Freecom needs a 64-byte buffer, so that's the
* size we'll allocate.
*/
#define US_IOBUF_SIZE 64 /* Size of the DMA-mapped I/O buffer */
#define US_SENSE_SIZE 18 /* Size of the autosense data buffer */
typedef int (*trans_cmnd)(struct scsi_cmnd *, struct us_data *);
typedef int (*trans_reset)(struct us_data *);
typedef void (*proto_cmnd)(struct scsi_cmnd *, struct us_data *);
typedef void (*extra_data_destructor)(void *); /* extra data destructor */
typedef void (*pm_hook)(struct us_data *, int); /* power management hook */
#define US_SUSPEND 0
#define US_RESUME 1
/* we allocate one of these for every device that we remember */
struct us_data {
/* The device we're working with
* It's important to note:
* (o) you must hold dev_mutex to change pusb_dev
*/
struct mutex dev_mutex; /* protect pusb_dev */
struct usb_device *pusb_dev; /* this usb_device */
struct usb_interface *pusb_intf; /* this interface */
struct us_unusual_dev *unusual_dev; /* device-filter entry */
unsigned long fflags; /* fixed flags from filter */
unsigned long dflags; /* dynamic atomic bitflags */
unsigned int send_bulk_pipe; /* cached pipe values */
unsigned int recv_bulk_pipe;
unsigned int send_ctrl_pipe;
unsigned int recv_ctrl_pipe;
unsigned int recv_intr_pipe;
/* information about the device */
char *transport_name;
char *protocol_name;
__le32 bcs_signature;
u8 subclass;
u8 protocol;
u8 max_lun;
u8 ifnum; /* interface number */
u8 ep_bInterval; /* interrupt interval */
/* function pointers for this device */
trans_cmnd transport; /* transport function */
trans_reset transport_reset; /* transport device reset */
proto_cmnd proto_handler; /* protocol handler */
/* SCSI interfaces */
struct scsi_cmnd *srb; /* current srb */
unsigned int tag; /* current dCBWTag */
/* control and bulk communications data */
struct urb *current_urb; /* USB requests */
struct usb_ctrlrequest *cr; /* control requests */
struct usb_sg_request current_sg; /* scatter-gather req. */
unsigned char *iobuf; /* I/O buffer */
unsigned char *sensebuf; /* sense data buffer */
dma_addr_t cr_dma; /* buffer DMA addresses */
dma_addr_t iobuf_dma;
struct task_struct *ctl_thread; /* the control thread */
/* mutual exclusion and synchronization structures */
struct completion cmnd_ready; /* to sleep thread on */
struct completion notify; /* thread begin/end */
wait_queue_head_t delay_wait; /* wait during scan, reset */
struct completion scanning_done; /* wait for scan thread */
/* subdriver information */
void *extra; /* Any extra data */
extra_data_destructor extra_destructor;/* extra data destructor */
#ifdef CONFIG_PM
pm_hook suspend_resume_hook;
#endif
/* for 6250 code */
struct keucr_sd_status SD_Status;
struct keucr_ms_status MS_Status;
struct keucr_sm_status SM_Status;
/* ----- SD Control Data ---------------- */
/* SD_REGISTER SD_Regs; */
u16 SD_Block_Mult;
u8 SD_READ_BL_LEN;
u16 SD_C_SIZE;
u8 SD_C_SIZE_MULT;
/* SD/MMC New spec. */
u8 SD_SPEC_VER;
u8 SD_CSD_VER;
u8 SD20_HIGH_CAPACITY;
u32 HC_C_SIZE;
u8 MMC_SPEC_VER;
u8 MMC_BusWidth;
u8 MMC_HIGH_CAPACITY;
/* ----- MS Control Data ---------------- */
bool MS_SWWP;
u32 MSP_TotalBlock;
/* MS_LibControl MS_Lib; */
bool MS_IsRWPage;
u16 MS_Model;
/* ----- SM Control Data ---------------- */
u8 SM_DeviceID;
u8 SM_CardID;
u8 *testbuf;
u8 BIN_FLAG;
u32 bl_num;
int SrbStatus;
/* ------Power Managerment --------------- */
bool Power_IsResum;
};
/* Convert between us_data and the corresponding Scsi_Host */
static inline struct Scsi_Host *us_to_host(struct us_data *us)
{
return container_of((void *) us, struct Scsi_Host, hostdata);
}
static inline struct us_data *host_to_us(struct Scsi_Host *host)
{
return (struct us_data *) host->hostdata;
}
/* Function to fill an inquiry response. See usb.c for details */
extern void fill_inquiry_response(struct us_data *us,
unsigned char *data, unsigned int data_len);
/* The scsi_lock() and scsi_unlock() macros protect the sm_state and the
* single queue element srb for write access */
#define scsi_unlock(host) spin_unlock_irq(host->host_lock)
#define scsi_lock(host) spin_lock_irq(host->host_lock)
#endif
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