drivers/staging/cpc-usb/cpcusb.h

   1 /* Header for CPC-USB Driver ********************
   2  * Copyright 1999, 2000, 2001
   3  *
   4  * Company:  EMS Dr. Thomas Wuensche
   5  *           Sonnenhang 3
   6  *           85304 Ilmmuenster
   7  *           Phone: +49-8441-490260
   8  *           Fax:   +49-8441-81860
   9  *           email: support@ems-wuensche.com
  10  *           WWW:   www.ems-wuensche.com
  11  */
  12
  13 #ifndef CPCUSB_H
  14 #define CPCUSB_H
  15
  16 #undef err
  17 #undef dbg
  18 #undef info
  19
  20 /* Use our own dbg macro */
  21 #define dbg(format, arg...) do { if (debug) printk(KERN_INFO "CPC-USB: " format "\n" , ## arg); } while (0)
  22 #define info(format, arg...) do { printk(KERN_INFO "CPC-USB: " format "\n" , ## arg); } while (0)
  23 #define err(format, arg...) do { printk(KERN_INFO "CPC-USB(ERROR): " format "\n" , ## arg); } while (0)
  24
  25 #define CPC_USB_CARD_CNT      4
  26
  27 typedef struct CPC_USB_READ_URB {
  28         unsigned char *buffer;  /* the buffer to send data */
  29         size_t size;            /* the size of the send buffer */
  30         struct urb *urb;        /* the urb used to send data */
  31 } CPC_USB_READ_URB_T;
  32
  33 typedef struct CPC_USB_WRITE_URB {
  34         unsigned char *buffer;  /* the buffer to send data */
  35         size_t size;            /* the size of the send buffer */
  36         struct urb *urb;        /* the urb used to send data */
  37         atomic_t busy;          /* true if write urb is busy */
  38         struct completion finished;     /* wait for the write to finish */
  39 } CPC_USB_WRITE_URB_T;
  40
  41 #define CPC_USB_URB_CNT  10
  42
  43 typedef struct CPC_USB {
  44         struct usb_device *udev;        /* save off the usb device pointer */
  45         struct usb_interface *interface;        /* the interface for this device */
  46         unsigned char minor;    /* the starting minor number for this device */
  47         unsigned char num_ports;        /* the number of ports this device has */
  48         int num_intr_in;        /* number of interrupt in endpoints we have */
  49         int num_bulk_in;        /* number of bulk in endpoints we have */
  50         int num_bulk_out;       /* number of bulk out endpoints we have */
  51
  52         CPC_USB_READ_URB_T urbs[CPC_USB_URB_CNT];
  53
  54         unsigned char intr_in_buffer[4];        /* interrupt transfer buffer */
  55         struct urb *intr_in_urb;        /* interrupt transfer urb */
  56
  57         CPC_USB_WRITE_URB_T wrUrbs[CPC_USB_URB_CNT];
  58
  59         int open;               /* if the port is open or not */
  60         int present;            /* if the device is not disconnected */
  61         struct semaphore sem;   /* locks this structure */
  62
  63         int free_slots;         /* free send slots of CPC-USB */
  64         int idx;
  65
  66         spinlock_t slock;
  67
  68         char serialNumber[128]; /* serial number */
  69         int productId;          /* product id to differ between M16C and LPC2119 */
  70         CPC_CHAN_T *chan;
  71 } CPC_USB_T;
  72
  73 #define CPCTable               CPCUSB_Table
  74
  75 #define CPC_DRIVER_VERSION "0.724"
  76 #define CPC_DRIVER_SERIAL  "not applicable"
  77
  78 #define OBUF_SIZE 255           /* 4096 */
  79
  80 /* read timeouts -- RD_NAK_TIMEOUT * RD_EXPIRE = Number of seconds */
  81 #define RD_NAK_TIMEOUT (10*HZ)  /* Default number of X seconds to wait */
  82 #define RD_EXPIRE 12            /* Number of attempts to wait X seconds */
  83
  84 #define CPC_USB_BASE_MNR 0      /* CPC-USB start at minor 0  */
  85
  86 #endif