diff options
Diffstat (limited to 'drivers/staging/keucr/usb.h')
| -rw-r--r-- | drivers/staging/keucr/usb.h | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/drivers/staging/keucr/usb.h b/drivers/staging/keucr/usb.h new file mode 100644 index 00000000000..e894f840c70 --- /dev/null +++ b/drivers/staging/keucr/usb.h @@ -0,0 +1,240 @@ +/* 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 |