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