vmod/driver/vmodttl.h

   1 #ifndef __VMODTTL_H__
   2 #define __VMODTTL_H__
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 /*
   9  * DEFINES
  10  */
  11 #define CHAN_A          0
  12 #define CHAN_B          1
  13 #define CHAN_C          2
  14
  15 #define A_CHAN_IN       0x00
  16 #define A_CHAN_OUT      0x01
  17 #define B_CHAN_IN       0x00
  18 #define B_CHAN_OUT      0x02
  19 #define C_CHAN_IN       0x00
  20 #define C_CHAN_OUT      0x04
  21 #define VMODTTL_O       0x08
  22
  23 #define A_CHAN_OPEN_COLLECTOR   0x01
  24 #define B_CHAN_OPEN_COLLECTOR   0x02
  25 #define C_CHAN_OPEN_COLLECTOR   0x04
  26
  27 #define NR_BITS 8
  28
  29 #define DEFAULT_DELAY 1 /* Used to wait for a while to allow the Z8536 to perform the read/write operations */
  30
  31 struct vmodttlarg {
  32         int     dev;
  33         int     val;
  34 };
  35
  36 struct vmodttl_pattern {
  37         unsigned char port;     /* Port A (0) or B (1) */
  38         unsigned char pos;      /* Position of the bit [0 - 7] */
  39         unsigned char ptr;      /* Pattern Transition register */
  40         unsigned char pmr;      /* Pattern mask register */
  41         unsigned char ppr;      /* Pattern Polarity Register */
  42 };
  43
  44 struct vmodttlconfig {
  45         int             io_flag;
  46         int             us_pulse;
  47         int             open_collector;
  48         int             invert;
  49         int             pattern_mode_a; /* 1: AND 0: OR */
  50         int             pattern_mode_b; /* 1: AND 0: OR */
  51         struct vmodttl_pattern bit_pattern_a[NR_BITS];
  52         struct vmodttl_pattern bit_pattern_b[NR_BITS];
  53 };
  54
  55 /*
  56  * IOCTL commands
  57  */
  58 #define VMODTTL_READ_CHAN       _IOR('v', 0, struct vmodttlarg)
  59 #define VMODTTL_WRITE_CHAN      _IOW('v', 1, struct vmodttlarg)
  60 #define VMODTTL_CONFIG          _IOW('v', 2, struct vmodttlconfig)
  61 #define VMODTTL_PATTERN         _IOW('v', 3, struct vmodttl_pattern)
  62 #define VMODTTL_SIMPIO          _IOW('v', 4, int)
  63 #define VMODTTL_READ_CONFIG     _IOR('v', 5, struct vmodttlconfig)
  64
  65
  66
  67 #define VMODTTL_MAX_BOARDS      64      /* max. # of boards supported   */
  68
  69 #define VMODTTL_PORTC           0
  70 #define VMODTTL_PORTB           2
  71 #define VMODTTL_PORTA           4
  72 #define VMODTTL_CONTROL         6
  73
  74 struct vmodttl {
  75         int             lun;            /** logical unit number */
  76         char            *cname;         /** carrier name */
  77         int             carrier;        /** supporting carrier */
  78         int             slot;           /** slot we're plugged in */
  79         unsigned long   address;        /** address space */
  80         int             is_big_endian;  /** endianness */
  81 };
  82
  83 #ifdef __cplusplus
  84 }
  85 #endif
  86
  87 #endif /* __VMODTTL_H__ */
  88