drivers/char/pcxx.h

   1 #define FEPCODESEG  0x0200L
   2 #define FEPCODE     0x2000L
   3 #define BIOSCODE    0xf800L
   4
   5 #define MISCGLOBAL  0x0C00L
   6 #define NPORT       0x0C22L
   7 #define MBOX        0x0C40L
   8 #define PORTBASE    0x0C90L
   9
  10 #define FEPCLR      0x00
  11 #define FEPMEM      0x02
  12 #define FEPRST      0x04
  13 #define FEPINT      0x08
  14 #define FEPMASK     0x0e
  15 #define FEPWIN      0x80
  16
  17 /* Maximum Number of Boards supported */
  18 #define MAX_DIGI_BOARDS 4
  19
  20 #define PCXX_NUM_TYPES  4
  21
  22 #define PCXI            0
  23 #define PCXE            1
  24 #define PCXEVE          2
  25 #define PCXEM           3
  26
  27 static char *board_desc[] = {
  28         "PC/Xi",
  29         "PC/Xe",
  30         "PC/Xeve",
  31         "PC/Xem",
  32 };
  33
  34 static char *board_mem[] = {
  35         "64k",
  36         "64k",
  37         "8k",
  38         "32k",
  39 };
  40 #define STARTC      021
  41 #define STOPC       023
  42 #define IAIXON      0x2000
  43
  44
  45 struct board_info       {
  46         unchar status;
  47         unchar type;
  48         unchar altpin;
  49         ushort numports;
  50         ushort port;
  51         ulong  membase;
  52         ulong  memsize;
  53         ushort first_minor;
  54         void *region;
  55 };
  56
  57
  58 #define TXSTOPPED   0x01
  59 #define LOWWAIT         0x02
  60 #define EMPTYWAIT       0x04
  61 #define RXSTOPPED       0x08
  62 #define TXBUSY          0x10
  63
  64 #define DISABLED   0
  65 #define ENABLED    1
  66 #define OFF        0
  67 #define ON         1
  68
  69 #define FEPTIMEOUT 200000
  70 #define SERIAL_TYPE_NORMAL      1
  71 #define PCXE_EVENT_HANGUP   1
  72 #define PCXX_MAGIC      0x5c6df104L
  73
  74 struct channel {
  75                                                         /* --------- Board/channel information ---------- */
  76         long                                            magic;
  77         unchar                                          boardnum;
  78         unchar                                          channelnum;
  79         uint                                            dev;
  80         struct tty_struct                       *tty;
  81         struct board_info                       *board;
  82         volatile struct board_chan      *brdchan;
  83         volatile struct global_data *mailbox;
  84         int                                                     asyncflags;
  85         int                                                     count;
  86         int                                                     blocked_open;
  87         int                                                     close_delay;
  88         int                                                     event;
  89         wait_queue_head_t                       open_wait;
  90         wait_queue_head_t                       close_wait;
  91         struct tq_struct                        tqueue;
  92                                                         /* ------------ Async control data ------------- */
  93         unchar                                          modemfake;      /* Modem values to be forced */
  94         unchar                                          modem;          /* Force values */
  95         ulong                                           statusflags;
  96         unchar                                          omodem;         /* FEP output modem status */
  97         unchar                                          imodem;         /* FEP input modem status */
  98         unchar                                          hflow;
  99         unchar                                          dsr;
 100         unchar                                          dcd;
 101         unchar                                          stopc;
 102         unchar                                          startc;
 103         unchar                                          stopca;
 104         unchar                                          startca;
 105         unchar                                          fepstopc;
 106         unchar                                          fepstartc;
 107         unchar                                          fepstopca;
 108         unchar                                          fepstartca;
 109         ushort                                          fepiflag;
 110         ushort                                          fepcflag;
 111         ushort                                          fepoflag;
 112                                                         /* ---------- Transmit/receive system ---------- */
 113         unchar                                          txwin;
 114         unchar                                          rxwin;
 115         ushort                                          txbufsize;
 116         ushort                                          rxbufsize;
 117         unchar                                          *txptr;
 118         unchar                                          *rxptr;
 119         unchar                                          *tmp_buf;               /* Temp buffer */
 120         struct semaphore                                tmp_buf_sem;
 121                                                         /* ---- Termios data ---- */
 122         ulong                                           c_iflag;
 123         ulong                                           c_cflag;
 124         ulong                                           c_lflag;
 125         ulong                                           c_oflag;
 126         struct digi_struct                      digiext;
 127         ulong                                           dummy[8];
 128 };