Synced with comedi.
authorIan Abbott <abbotti@mev.co.uk>
Fri, 30 Nov 2007 12:24:08 +0000 (12:24 +0000)
committerIan Abbott <abbotti@mev.co.uk>
Fri, 30 Nov 2007 12:24:08 +0000 (12:24 +0000)
include/comedi.h

index d6e25efb4dde3d18a28dacf75322274aa4b66b4d..58cbe7473e24b58268a3e849537368d5369b12d4 100644 (file)
@@ -21,7 +21,6 @@
 
 */
 
-
 #ifndef _COMEDI_H
 #define _COMEDI_H
 
@@ -46,16 +45,15 @@ extern "C" {
 #define COMEDI_DEVCONF_AUX_DATA2_LENGTH                26
 #define COMEDI_DEVCONF_AUX_DATA1_LENGTH                27
 #define COMEDI_DEVCONF_AUX_DATA0_LENGTH                28
-#define COMEDI_DEVCONF_AUX_DATA_HI             29      /*most significant 32 bits of pointer address (if needed)*/
-#define COMEDI_DEVCONF_AUX_DATA_LO             30      /*least significant 32 bits of pointer address*/
+#define COMEDI_DEVCONF_AUX_DATA_HI             29      /*most significant 32 bits of pointer address (if needed) */
+#define COMEDI_DEVCONF_AUX_DATA_LO             30      /*least significant 32 bits of pointer address */
 #define COMEDI_DEVCONF_AUX_DATA_LENGTH 31      /* total data length */
 
 /* max length of device and driver names */
 #define COMEDI_NAMELEN 20
 
-
-typedef unsigned int lsampl_t;
-typedef unsigned short sampl_t;
+       typedef unsigned int lsampl_t;
+       typedef unsigned short sampl_t;
 
 /* packs and unpacks a channel/range number */
 
@@ -74,10 +72,10 @@ typedef unsigned short sampl_t;
 #define CR_EDGE        (1<<30)
 #define CR_INVERT      (1<<31)
 
-#define AREF_GROUND    0x00            /* analog ref = analog ground */
-#define AREF_COMMON    0x01            /* analog ref = analog common */
-#define AREF_DIFF      0x02            /* analog ref = differential */
-#define AREF_OTHER     0x03            /* analog ref = other (undefined) */
+#define AREF_GROUND    0x00    /* analog ref = analog ground */
+#define AREF_COMMON    0x01    /* analog ref = analog common */
+#define AREF_DIFF      0x02    /* analog ref = differential */
+#define AREF_OTHER     0x03    /* analog ref = other (undefined) */
 
 /* counters -- these are arbitrary values */
 #define GPCT_RESET             0x0001
@@ -118,23 +116,23 @@ typedef unsigned short sampl_t;
 /* trigger flags */
 /* These flags are used in comedi_trig structures */
 
-#define TRIG_BOGUS     0x0001          /* do the motions */
-#define TRIG_DITHER    0x0002          /* enable dithering */
-#define TRIG_DEGLITCH  0x0004          /* enable deglitching */
-//#define TRIG_RT      0x0008          /* perform op in real time */
-#define TRIG_CONFIG    0x0010          /* perform configuration, not triggering */
-#define TRIG_WAKE_EOS  0x0020          /* wake up on end-of-scan events */
-//#define TRIG_WRITE   0x0040          /* write to bidirectional devices */
+#define TRIG_BOGUS     0x0001  /* do the motions */
+#define TRIG_DITHER    0x0002  /* enable dithering */
+#define TRIG_DEGLITCH  0x0004  /* enable deglitching */
+//#define TRIG_RT       0x0008          /* perform op in real time */
+#define TRIG_CONFIG    0x0010  /* perform configuration, not triggering */
+#define TRIG_WAKE_EOS  0x0020  /* wake up on end-of-scan events */
+//#define TRIG_WRITE    0x0040          /* write to bidirectional devices */
 
 /* command flags */
 /* These flags are used in comedi_cmd structures */
 
-#define CMDF_PRIORITY          0x00000008 /* try to use a real-time interrupt while performing command */
+#define CMDF_PRIORITY          0x00000008      /* try to use a real-time interrupt while performing command */
 
-#define TRIG_RT                CMDF_PRIORITY /* compatibility definition */
+#define TRIG_RT                CMDF_PRIORITY   /* compatibility definition */
 
 #define CMDF_WRITE             0x00000040
-#define TRIG_WRITE     CMDF_WRITE /* compatibility definition */
+#define TRIG_WRITE     CMDF_WRITE      /* compatibility definition */
 
 #define CMDF_RAWDATA           0x00000080
 
@@ -167,22 +165,22 @@ typedef unsigned short sampl_t;
 
 /* subdevice flags */
 
-#define SDF_BUSY       0x0001          /* device is busy */
-#define SDF_BUSY_OWNER 0x0002          /* device is busy with your job */
-#define SDF_LOCKED     0x0004          /* subdevice is locked */
-#define SDF_LOCK_OWNER 0x0008          /* you own lock */
-#define SDF_MAXDATA    0x0010          /* maxdata depends on channel */
-#define SDF_FLAGS      0x0020          /* flags depend on channel */
-#define SDF_RANGETYPE  0x0040          /* range type depends on channel */
-#define SDF_MODE0      0x0080          /* can do mode 0 */
-#define SDF_MODE1      0x0100          /* can do mode 1 */
-#define SDF_MODE2      0x0200          /* can do mode 2 */
-#define SDF_MODE3      0x0400          /* can do mode 3 */
-#define SDF_MODE4      0x0800          /* can do mode 4 */
-#define SDF_CMD                0x1000          /* can do commands (deprecated) */
+#define SDF_BUSY       0x0001  /* device is busy */
+#define SDF_BUSY_OWNER 0x0002  /* device is busy with your job */
+#define SDF_LOCKED     0x0004  /* subdevice is locked */
+#define SDF_LOCK_OWNER 0x0008  /* you own lock */
+#define SDF_MAXDATA    0x0010  /* maxdata depends on channel */
+#define SDF_FLAGS      0x0020  /* flags depend on channel */
+#define SDF_RANGETYPE  0x0040  /* range type depends on channel */
+#define SDF_MODE0      0x0080  /* can do mode 0 */
+#define SDF_MODE1      0x0100  /* can do mode 1 */
+#define SDF_MODE2      0x0200  /* can do mode 2 */
+#define SDF_MODE3      0x0400  /* can do mode 3 */
+#define SDF_MODE4      0x0800  /* can do mode 4 */
+#define SDF_CMD                0x1000  /* can do commands (deprecated) */
 #define SDF_SOFT_CALIBRATED    0x2000  /* subdevice uses software calibration */
-#define SDF_CMD_WRITE          0x4000          /* can do output commands */
-#define SDF_CMD_READ           0x8000          /* can do input commands */
+#define SDF_CMD_WRITE          0x4000  /* can do output commands */
+#define SDF_CMD_READ           0x8000  /* can do input commands */
 
 #define SDF_READABLE   0x00010000      /* subdevice can be read (e.g. analog input) */
 #define SDF_WRITABLE   0x00020000      /* subdevice can be written (e.g. analog output) */
@@ -202,72 +200,68 @@ typedef unsigned short sampl_t;
 
 /* subdevice types */
 
-enum comedi_subdevice_type
-{
-       COMEDI_SUBD_UNUSED,     /* unused by driver */
-       COMEDI_SUBD_AI, /* analog input */
-       COMEDI_SUBD_AO, /* analog output */
-       COMEDI_SUBD_DI, /* digital input */
-       COMEDI_SUBD_DO, /* digital output */
-       COMEDI_SUBD_DIO,        /* digital input/output */
-       COMEDI_SUBD_COUNTER,    /* counter */
-       COMEDI_SUBD_TIMER,      /* timer */
-       COMEDI_SUBD_MEMORY,     /* memory, EEPROM, DPRAM */
-       COMEDI_SUBD_CALIB,      /* calibration DACs */
-       COMEDI_SUBD_PROC,       /* processor, DSP */
-       COMEDI_SUBD_SERIAL      /* serial IO */
-};
+       enum comedi_subdevice_type {
+               COMEDI_SUBD_UNUSED,     /* unused by driver */
+               COMEDI_SUBD_AI, /* analog input */
+               COMEDI_SUBD_AO, /* analog output */
+               COMEDI_SUBD_DI, /* digital input */
+               COMEDI_SUBD_DO, /* digital output */
+               COMEDI_SUBD_DIO,        /* digital input/output */
+               COMEDI_SUBD_COUNTER,    /* counter */
+               COMEDI_SUBD_TIMER,      /* timer */
+               COMEDI_SUBD_MEMORY,     /* memory, EEPROM, DPRAM */
+               COMEDI_SUBD_CALIB,      /* calibration DACs */
+               COMEDI_SUBD_PROC,       /* processor, DSP */
+               COMEDI_SUBD_SERIAL      /* serial IO */
+       };
 
 /* configuration instructions */
 
-enum configuration_ids
-{
-       INSN_CONFIG_DIO_INPUT = 0,
-       INSN_CONFIG_DIO_OUTPUT = 1,
-       INSN_CONFIG_DIO_OPENDRAIN = 2,
-       INSN_CONFIG_ANALOG_TRIG = 16,
-//     INSN_CONFIG_WAVEFORM = 17,
-//     INSN_CONFIG_TRIG = 18,
-//     INSN_CONFIG_COUNTER = 19,
-       INSN_CONFIG_ALT_SOURCE = 20,
-       INSN_CONFIG_DIGITAL_TRIG = 21,
-       INSN_CONFIG_BLOCK_SIZE = 22,
-       INSN_CONFIG_TIMER_1 = 23,
-       INSN_CONFIG_FILTER = 24,
-       INSN_CONFIG_CHANGE_NOTIFY = 25,
-
-       /*ALPHA*/
-       INSN_CONFIG_SERIAL_CLOCK = 26,
-       INSN_CONFIG_BIDIRECTIONAL_DATA = 27,
-       INSN_CONFIG_DIO_QUERY = 28,
-       INSN_CONFIG_PWM_OUTPUT = 29,
-       INSN_CONFIG_GET_PWM_OUTPUT = 30,
-       INSN_CONFIG_ARM = 31,
-       INSN_CONFIG_DISARM = 32,
-       INSN_CONFIG_GET_COUNTER_STATUS = 33,
-       INSN_CONFIG_RESET = 34,
-       INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR = 1001, // Use CTR as single pulsegenerator
-       INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR = 1002, // Use CTR as pulsetraingenerator
-       INSN_CONFIG_GPCT_QUADRATURE_ENCODER = 1003, // Use the counter as encoder
-       INSN_CONFIG_SET_GATE_SRC = 2001,        // Set gate source
-       INSN_CONFIG_GET_GATE_SRC = 2002,        // Get gate source
-       INSN_CONFIG_SET_CLOCK_SRC = 2003,       // Set master clock source
-       INSN_CONFIG_GET_CLOCK_SRC = 2004,       // Get master clock source
-       INSN_CONFIG_SET_OTHER_SRC = 2005,       // Set other source
-//     INSN_CONFIG_GET_OTHER_SRC = 2006,       // Get other source
-       INSN_CONFIG_SET_COUNTER_MODE = 4097,
-       INSN_CONFIG_8254_SET_MODE = INSN_CONFIG_SET_COUNTER_MODE,       /* deprecated */
-       INSN_CONFIG_8254_READ_STATUS = 4098,
-       INSN_CONFIG_SET_ROUTING = 4099,
-       INSN_CONFIG_GET_ROUTING = 4109,
-};
-
-enum comedi_io_direction
-{
-       COMEDI_INPUT = 0,
-       COMEDI_OUTPUT = 1,
-       COMEDI_OPENDRAIN = 2
-};
+       enum configuration_ids {
+               INSN_CONFIG_DIO_INPUT = 0,
+               INSN_CONFIG_DIO_OUTPUT = 1,
+               INSN_CONFIG_DIO_OPENDRAIN = 2,
+               INSN_CONFIG_ANALOG_TRIG = 16,
+//      INSN_CONFIG_WAVEFORM = 17,
+//      INSN_CONFIG_TRIG = 18,
+//      INSN_CONFIG_COUNTER = 19,
+               INSN_CONFIG_ALT_SOURCE = 20,
+               INSN_CONFIG_DIGITAL_TRIG = 21,
+               INSN_CONFIG_BLOCK_SIZE = 22,
+               INSN_CONFIG_TIMER_1 = 23,
+               INSN_CONFIG_FILTER = 24,
+               INSN_CONFIG_CHANGE_NOTIFY = 25,
+
+                /*ALPHA*/ INSN_CONFIG_SERIAL_CLOCK = 26,
+               INSN_CONFIG_BIDIRECTIONAL_DATA = 27,
+               INSN_CONFIG_DIO_QUERY = 28,
+               INSN_CONFIG_PWM_OUTPUT = 29,
+               INSN_CONFIG_GET_PWM_OUTPUT = 30,
+               INSN_CONFIG_ARM = 31,
+               INSN_CONFIG_DISARM = 32,
+               INSN_CONFIG_GET_COUNTER_STATUS = 33,
+               INSN_CONFIG_RESET = 34,
+               INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR = 1001, // Use CTR as single pulsegenerator
+               INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR = 1002,  // Use CTR as pulsetraingenerator
+               INSN_CONFIG_GPCT_QUADRATURE_ENCODER = 1003,     // Use the counter as encoder
+               INSN_CONFIG_SET_GATE_SRC = 2001,        // Set gate source
+               INSN_CONFIG_GET_GATE_SRC = 2002,        // Get gate source
+               INSN_CONFIG_SET_CLOCK_SRC = 2003,       // Set master clock source
+               INSN_CONFIG_GET_CLOCK_SRC = 2004,       // Get master clock source
+               INSN_CONFIG_SET_OTHER_SRC = 2005,       // Set other source
+//      INSN_CONFIG_GET_OTHER_SRC = 2006,       // Get other source
+               INSN_CONFIG_SET_COUNTER_MODE = 4097,
+               INSN_CONFIG_8254_SET_MODE = INSN_CONFIG_SET_COUNTER_MODE,       /* deprecated */
+               INSN_CONFIG_8254_READ_STATUS = 4098,
+               INSN_CONFIG_SET_ROUTING = 4099,
+               INSN_CONFIG_GET_ROUTING = 4109,
+       };
+
+       enum comedi_io_direction {
+               COMEDI_INPUT = 0,
+               COMEDI_OUTPUT = 1,
+               COMEDI_OPENDRAIN = 2
+       };
 
 /* ioctls */
 
@@ -289,147 +283,146 @@ enum comedi_io_direction
 #define COMEDI_BUFINFO _IOWR(CIO,14,comedi_bufinfo)
 #define COMEDI_POLL _IO(CIO,15)
 
-
 /* structures */
 
-typedef struct comedi_trig_struct comedi_trig;
-typedef struct comedi_cmd_struct comedi_cmd;
-typedef struct comedi_insn_struct comedi_insn;
-typedef struct comedi_insnlist_struct comedi_insnlist;
-typedef struct comedi_chaninfo_struct comedi_chaninfo;
-typedef struct comedi_subdinfo_struct comedi_subdinfo;
-typedef struct comedi_devinfo_struct comedi_devinfo;
-typedef struct comedi_devconfig_struct comedi_devconfig;
-typedef struct comedi_rangeinfo_struct comedi_rangeinfo;
-typedef struct comedi_krange_struct comedi_krange;
-typedef struct comedi_bufconfig_struct comedi_bufconfig;
-typedef struct comedi_bufinfo_struct comedi_bufinfo;
-
-struct comedi_trig_struct{
-       unsigned int subdev;            /* subdevice */
-       unsigned int mode;              /* mode */
-       unsigned int flags;
-       unsigned int n_chan;            /* number of channels */
-       unsigned int *chanlist;         /* channel/range list */
-       sampl_t *data;                  /* data list, size depends on subd flags */
-       unsigned int n;                 /* number of scans */
-       unsigned int trigsrc;
-       unsigned int trigvar;
-       unsigned int trigvar1;
-       unsigned int data_len;
-       unsigned int unused[3];
-};
-
-struct comedi_insn_struct{
-       unsigned int insn;
-       unsigned int n;
-       lsampl_t *data;
-       unsigned int subdev;
-       unsigned int chanspec;
-       unsigned int unused[3];
-};
-
-struct comedi_insnlist_struct{
-       unsigned int n_insns;
-       comedi_insn *insns;
-};
-
-struct comedi_cmd_struct{
-       unsigned int subdev;
-       unsigned int flags;
-
-       unsigned int start_src;
-       unsigned int start_arg;
-
-       unsigned int scan_begin_src;
-       unsigned int scan_begin_arg;
-
-       unsigned int convert_src;
-       unsigned int convert_arg;
-
-       unsigned int scan_end_src;
-       unsigned int scan_end_arg;
-
-       unsigned int stop_src;
-       unsigned int stop_arg;
-
-       unsigned int *chanlist;         /* channel/range list */
-       unsigned int chanlist_len;
-
-       sampl_t *data;                  /* data list, size depends on subd flags */
-       unsigned int data_len;
-};
-
-struct comedi_chaninfo_struct{
-       unsigned int subdev;
-       lsampl_t *maxdata_list;
-       unsigned int *flaglist;
-       unsigned int *rangelist;
-       unsigned int unused[4];
-};
-
-struct comedi_rangeinfo_struct{
-       unsigned int range_type;
-       void *range_ptr;
-};
-
-struct comedi_krange_struct{
-       int min;        /* fixed point, multiply by 1e-6 */
-       int max;        /* fixed point, multiply by 1e-6 */
-       unsigned int flags;
-};
-
-struct comedi_subdinfo_struct{
-       unsigned int type;
-       unsigned int n_chan;
-       unsigned int subd_flags;
-       unsigned int timer_type;
-       unsigned int len_chanlist;
-       lsampl_t        maxdata;
-       unsigned int    flags;          /* channel flags */
-       unsigned int    range_type;     /* lookup in kernel */
-       unsigned int    settling_time_0;
-       unsigned int unused[9];
-};
-
-struct comedi_devinfo_struct{
-       unsigned int version_code;
-       unsigned int n_subdevs;
-       char driver_name[COMEDI_NAMELEN];
-       char board_name[COMEDI_NAMELEN];
-       int read_subdevice;
-       int write_subdevice;
-       int unused[30];
-};
-
-struct comedi_devconfig_struct{
-       char board_name[COMEDI_NAMELEN];
-       int options[COMEDI_NDEVCONFOPTS];
-};
-
-struct comedi_bufconfig_struct{
-       unsigned int subdevice;
-       unsigned int flags;
-
-       unsigned int maximum_size;
-       unsigned int size;
-
-       unsigned int unused[4];
-};
-
-struct comedi_bufinfo_struct{
-       unsigned int subdevice;
-       unsigned int bytes_read;
-
-       unsigned int buf_write_ptr;
-       unsigned int buf_read_ptr;
-       unsigned int buf_write_count;
-       unsigned int buf_read_count;
-
-       unsigned int bytes_written;
-
-       unsigned int unused[4];
-};
+       typedef struct comedi_trig_struct comedi_trig;
+       typedef struct comedi_cmd_struct comedi_cmd;
+       typedef struct comedi_insn_struct comedi_insn;
+       typedef struct comedi_insnlist_struct comedi_insnlist;
+       typedef struct comedi_chaninfo_struct comedi_chaninfo;
+       typedef struct comedi_subdinfo_struct comedi_subdinfo;
+       typedef struct comedi_devinfo_struct comedi_devinfo;
+       typedef struct comedi_devconfig_struct comedi_devconfig;
+       typedef struct comedi_rangeinfo_struct comedi_rangeinfo;
+       typedef struct comedi_krange_struct comedi_krange;
+       typedef struct comedi_bufconfig_struct comedi_bufconfig;
+       typedef struct comedi_bufinfo_struct comedi_bufinfo;
+
+       struct comedi_trig_struct {
+               unsigned int subdev;    /* subdevice */
+               unsigned int mode;      /* mode */
+               unsigned int flags;
+               unsigned int n_chan;    /* number of channels */
+               unsigned int *chanlist; /* channel/range list */
+               sampl_t *data;  /* data list, size depends on subd flags */
+               unsigned int n; /* number of scans */
+               unsigned int trigsrc;
+               unsigned int trigvar;
+               unsigned int trigvar1;
+               unsigned int data_len;
+               unsigned int unused[3];
+       };
+
+       struct comedi_insn_struct {
+               unsigned int insn;
+               unsigned int n;
+               lsampl_t *data;
+               unsigned int subdev;
+               unsigned int chanspec;
+               unsigned int unused[3];
+       };
+
+       struct comedi_insnlist_struct {
+               unsigned int n_insns;
+               comedi_insn *insns;
+       };
+
+       struct comedi_cmd_struct {
+               unsigned int subdev;
+               unsigned int flags;
+
+               unsigned int start_src;
+               unsigned int start_arg;
+
+               unsigned int scan_begin_src;
+               unsigned int scan_begin_arg;
+
+               unsigned int convert_src;
+               unsigned int convert_arg;
+
+               unsigned int scan_end_src;
+               unsigned int scan_end_arg;
+
+               unsigned int stop_src;
+               unsigned int stop_arg;
+
+               unsigned int *chanlist; /* channel/range list */
+               unsigned int chanlist_len;
+
+               sampl_t *data;  /* data list, size depends on subd flags */
+               unsigned int data_len;
+       };
+
+       struct comedi_chaninfo_struct {
+               unsigned int subdev;
+               lsampl_t *maxdata_list;
+               unsigned int *flaglist;
+               unsigned int *rangelist;
+               unsigned int unused[4];
+       };
+
+       struct comedi_rangeinfo_struct {
+               unsigned int range_type;
+               void *range_ptr;
+       };
+
+       struct comedi_krange_struct {
+               int min;        /* fixed point, multiply by 1e-6 */
+               int max;        /* fixed point, multiply by 1e-6 */
+               unsigned int flags;
+       };
+
+       struct comedi_subdinfo_struct {
+               unsigned int type;
+               unsigned int n_chan;
+               unsigned int subd_flags;
+               unsigned int timer_type;
+               unsigned int len_chanlist;
+               lsampl_t maxdata;
+               unsigned int flags;     /* channel flags */
+               unsigned int range_type;        /* lookup in kernel */
+               unsigned int settling_time_0;
+               unsigned int unused[9];
+       };
+
+       struct comedi_devinfo_struct {
+               unsigned int version_code;
+               unsigned int n_subdevs;
+               char driver_name[COMEDI_NAMELEN];
+               char board_name[COMEDI_NAMELEN];
+               int read_subdevice;
+               int write_subdevice;
+               int unused[30];
+       };
+
+       struct comedi_devconfig_struct {
+               char board_name[COMEDI_NAMELEN];
+               int options[COMEDI_NDEVCONFOPTS];
+       };
+
+       struct comedi_bufconfig_struct {
+               unsigned int subdevice;
+               unsigned int flags;
+
+               unsigned int maximum_size;
+               unsigned int size;
+
+               unsigned int unused[4];
+       };
+
+       struct comedi_bufinfo_struct {
+               unsigned int subdevice;
+               unsigned int bytes_read;
+
+               unsigned int buf_write_ptr;
+               unsigned int buf_read_ptr;
+               unsigned int buf_write_count;
+               unsigned int buf_read_count;
+
+               unsigned int bytes_written;
+
+               unsigned int unused[4];
+       };
 
 /* range stuff */
 
@@ -480,249 +473,240 @@ struct comedi_bufinfo_struct{
 
 */
 
-enum i8254_mode
-{
-       I8254_MODE0 = (0<<1),  /* Interrupt on terminal count */
-       I8254_MODE1 = (1<<1),  /* Hardware retriggerable one-shot */
-       I8254_MODE2 = (2<<1),  /* Rate generator */
-       I8254_MODE3 = (3<<1),  /* Square wave mode */
-       I8254_MODE4 = (4<<1),  /* Software triggered strobe */
-       I8254_MODE5 = (5<<1),  /* Hardware triggered strobe (retriggerable) */
-       I8254_BCD = 1, /* use binary-coded decimal instead of binary (pretty useless) */
-       I8254_BINARY = 0
-};
-
-static inline unsigned NI_USUAL_PFI_SELECT(unsigned pfi_channel)
-{
-       if(pfi_channel < 10)
-               return 0x1 + pfi_channel;
-       else
-               return 0xb + pfi_channel;
-}
-static inline unsigned NI_USUAL_RTSI_SELECT(unsigned rtsi_channel)
-{
-       if(rtsi_channel < 7)
-               return 0xb + rtsi_channel;
-       else
-               return 0x1b;
-}
+       enum i8254_mode {
+               I8254_MODE0 = (0 << 1), /* Interrupt on terminal count */
+               I8254_MODE1 = (1 << 1), /* Hardware retriggerable one-shot */
+               I8254_MODE2 = (2 << 1), /* Rate generator */
+               I8254_MODE3 = (3 << 1), /* Square wave mode */
+               I8254_MODE4 = (4 << 1), /* Software triggered strobe */
+               I8254_MODE5 = (5 << 1), /* Hardware triggered strobe (retriggerable) */
+               I8254_BCD = 1,  /* use binary-coded decimal instead of binary (pretty useless) */
+               I8254_BINARY = 0
+       };
+
+       static inline unsigned NI_USUAL_PFI_SELECT(unsigned pfi_channel) {
+               if (pfi_channel < 10)
+                       return 0x1 + pfi_channel;
+               else
+                       return 0xb + pfi_channel;
+       } static inline unsigned NI_USUAL_RTSI_SELECT(unsigned rtsi_channel) {
+               if (rtsi_channel < 7)
+                       return 0xb + rtsi_channel;
+               else
+                       return 0x1b;
+       }
 /* mode bits for NI general-purpose counters, set with INSN_CONFIG_SET_COUNTER_MODE */
 #define NI_GPCT_COUNTING_MODE_SHIFT 16
 #define NI_GPCT_INDEX_PHASE_BITSHIFT 20
 #define NI_GPCT_COUNTING_DIRECTION_SHIFT 24
-enum ni_gpct_mode_bits
-{
-       NI_GPCT_GATE_ON_BOTH_EDGES_BIT = 0x4,
-       NI_GPCT_EDGE_GATE_MODE_MASK = 0x18,
-       NI_GPCT_EDGE_GATE_STARTS_STOPS_BITS = 0x0,
-       NI_GPCT_EDGE_GATE_STOPS_STARTS_BITS = 0x8,
-       NI_GPCT_EDGE_GATE_STARTS_BITS = 0x10,
-       NI_GPCT_EDGE_GATE_NO_STARTS_NO_STOPS_BITS = 0x18,
-       NI_GPCT_STOP_MODE_MASK = 0x60,
-       NI_GPCT_STOP_ON_GATE_BITS = 0x00,
-       NI_GPCT_STOP_ON_GATE_OR_TC_BITS = 0x20,
-       NI_GPCT_STOP_ON_GATE_OR_SECOND_TC_BITS = 0x40,
-       NI_GPCT_LOAD_B_SELECT_BIT = 0x80,
-       NI_GPCT_OUTPUT_MODE_MASK = 0x300,
-       NI_GPCT_OUTPUT_TC_PULSE_BITS = 0x100,
-       NI_GPCT_OUTPUT_TC_TOGGLE_BITS = 0x200,
-       NI_GPCT_OUTPUT_TC_OR_GATE_TOGGLE_BITS = 0x300,
-       NI_GPCT_HARDWARE_DISARM_MASK = 0xc00,
-       NI_GPCT_NO_HARDWARE_DISARM_BITS = 0x000,
-       NI_GPCT_DISARM_AT_TC_BITS = 0x400,
-       NI_GPCT_DISARM_AT_GATE_BITS = 0x800,
-       NI_GPCT_DISARM_AT_TC_OR_GATE_BITS = 0xc00,
-       NI_GPCT_LOADING_ON_TC_BIT = 0x1000,
-       NI_GPCT_LOADING_ON_GATE_BIT = 0x4000,
-       NI_GPCT_COUNTING_MODE_MASK = 0x7 << NI_GPCT_COUNTING_MODE_SHIFT,
-       NI_GPCT_COUNTING_MODE_NORMAL_BITS = 0x0 << NI_GPCT_COUNTING_MODE_SHIFT,
-       NI_GPCT_COUNTING_MODE_QUADRATURE_X1_BITS = 0x1 << NI_GPCT_COUNTING_MODE_SHIFT,
-       NI_GPCT_COUNTING_MODE_QUADRATURE_X2_BITS = 0x2 << NI_GPCT_COUNTING_MODE_SHIFT,
-       NI_GPCT_COUNTING_MODE_QUADRATURE_X4_BITS = 0x3 << NI_GPCT_COUNTING_MODE_SHIFT,
-       NI_GPCT_COUNTING_MODE_TWO_PULSE_BITS = 0x4 << NI_GPCT_COUNTING_MODE_SHIFT,
-       NI_GPCT_COUNTING_MODE_SYNC_SOURCE_BITS = 0x6 << NI_GPCT_COUNTING_MODE_SHIFT,
-       NI_GPCT_INDEX_PHASE_MASK = 0x3 << NI_GPCT_INDEX_PHASE_BITSHIFT,
-       NI_GPCT_INDEX_PHASE_LOW_A_LOW_B_BITS = 0x0 << NI_GPCT_INDEX_PHASE_BITSHIFT,
-       NI_GPCT_INDEX_PHASE_LOW_A_HIGH_B_BITS = 0x1 << NI_GPCT_INDEX_PHASE_BITSHIFT,
-       NI_GPCT_INDEX_PHASE_HIGH_A_LOW_B_BITS = 0x2 << NI_GPCT_INDEX_PHASE_BITSHIFT,
-       NI_GPCT_INDEX_PHASE_HIGH_A_HIGH_B_BITS = 0x3 << NI_GPCT_INDEX_PHASE_BITSHIFT,
-       NI_GPCT_INDEX_ENABLE_BIT = 0x400000,
-       NI_GPCT_COUNTING_DIRECTION_MASK = 0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
-       NI_GPCT_COUNTING_DIRECTION_DOWN_BITS = 0x00 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
-       NI_GPCT_COUNTING_DIRECTION_UP_BITS = 0x1 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
-       NI_GPCT_COUNTING_DIRECTION_HW_UP_DOWN_BITS = 0x2 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
-       NI_GPCT_COUNTING_DIRECTION_HW_GATE_BITS = 0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
-       NI_GPCT_RELOAD_SOURCE_MASK = 0xc000000,
-       NI_GPCT_RELOAD_SOURCE_FIXED_BITS = 0x0,
-       NI_GPCT_RELOAD_SOURCE_SWITCHING_BITS = 0x4000000,
-       NI_GPCT_RELOAD_SOURCE_GATE_SELECT_BITS = 0x8000000,
-       NI_GPCT_OR_GATE_BIT = 0x10000000,
-       NI_GPCT_INVERT_OUTPUT_BIT = 0x20000000
-};
+       enum ni_gpct_mode_bits {
+               NI_GPCT_GATE_ON_BOTH_EDGES_BIT = 0x4,
+               NI_GPCT_EDGE_GATE_MODE_MASK = 0x18,
+               NI_GPCT_EDGE_GATE_STARTS_STOPS_BITS = 0x0,
+               NI_GPCT_EDGE_GATE_STOPS_STARTS_BITS = 0x8,
+               NI_GPCT_EDGE_GATE_STARTS_BITS = 0x10,
+               NI_GPCT_EDGE_GATE_NO_STARTS_NO_STOPS_BITS = 0x18,
+               NI_GPCT_STOP_MODE_MASK = 0x60,
+               NI_GPCT_STOP_ON_GATE_BITS = 0x00,
+               NI_GPCT_STOP_ON_GATE_OR_TC_BITS = 0x20,
+               NI_GPCT_STOP_ON_GATE_OR_SECOND_TC_BITS = 0x40,
+               NI_GPCT_LOAD_B_SELECT_BIT = 0x80,
+               NI_GPCT_OUTPUT_MODE_MASK = 0x300,
+               NI_GPCT_OUTPUT_TC_PULSE_BITS = 0x100,
+               NI_GPCT_OUTPUT_TC_TOGGLE_BITS = 0x200,
+               NI_GPCT_OUTPUT_TC_OR_GATE_TOGGLE_BITS = 0x300,
+               NI_GPCT_HARDWARE_DISARM_MASK = 0xc00,
+               NI_GPCT_NO_HARDWARE_DISARM_BITS = 0x000,
+               NI_GPCT_DISARM_AT_TC_BITS = 0x400,
+               NI_GPCT_DISARM_AT_GATE_BITS = 0x800,
+               NI_GPCT_DISARM_AT_TC_OR_GATE_BITS = 0xc00,
+               NI_GPCT_LOADING_ON_TC_BIT = 0x1000,
+               NI_GPCT_LOADING_ON_GATE_BIT = 0x4000,
+               NI_GPCT_COUNTING_MODE_MASK = 0x7 << NI_GPCT_COUNTING_MODE_SHIFT,
+               NI_GPCT_COUNTING_MODE_NORMAL_BITS =
+                       0x0 << NI_GPCT_COUNTING_MODE_SHIFT,
+               NI_GPCT_COUNTING_MODE_QUADRATURE_X1_BITS =
+                       0x1 << NI_GPCT_COUNTING_MODE_SHIFT,
+               NI_GPCT_COUNTING_MODE_QUADRATURE_X2_BITS =
+                       0x2 << NI_GPCT_COUNTING_MODE_SHIFT,
+               NI_GPCT_COUNTING_MODE_QUADRATURE_X4_BITS =
+                       0x3 << NI_GPCT_COUNTING_MODE_SHIFT,
+               NI_GPCT_COUNTING_MODE_TWO_PULSE_BITS =
+                       0x4 << NI_GPCT_COUNTING_MODE_SHIFT,
+               NI_GPCT_COUNTING_MODE_SYNC_SOURCE_BITS =
+                       0x6 << NI_GPCT_COUNTING_MODE_SHIFT,
+               NI_GPCT_INDEX_PHASE_MASK = 0x3 << NI_GPCT_INDEX_PHASE_BITSHIFT,
+               NI_GPCT_INDEX_PHASE_LOW_A_LOW_B_BITS =
+                       0x0 << NI_GPCT_INDEX_PHASE_BITSHIFT,
+               NI_GPCT_INDEX_PHASE_LOW_A_HIGH_B_BITS =
+                       0x1 << NI_GPCT_INDEX_PHASE_BITSHIFT,
+               NI_GPCT_INDEX_PHASE_HIGH_A_LOW_B_BITS =
+                       0x2 << NI_GPCT_INDEX_PHASE_BITSHIFT,
+               NI_GPCT_INDEX_PHASE_HIGH_A_HIGH_B_BITS =
+                       0x3 << NI_GPCT_INDEX_PHASE_BITSHIFT,
+               NI_GPCT_INDEX_ENABLE_BIT = 0x400000,
+               NI_GPCT_COUNTING_DIRECTION_MASK =
+                       0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
+               NI_GPCT_COUNTING_DIRECTION_DOWN_BITS =
+                       0x00 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
+               NI_GPCT_COUNTING_DIRECTION_UP_BITS =
+                       0x1 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
+               NI_GPCT_COUNTING_DIRECTION_HW_UP_DOWN_BITS =
+                       0x2 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
+               NI_GPCT_COUNTING_DIRECTION_HW_GATE_BITS =
+                       0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
+               NI_GPCT_RELOAD_SOURCE_MASK = 0xc000000,
+               NI_GPCT_RELOAD_SOURCE_FIXED_BITS = 0x0,
+               NI_GPCT_RELOAD_SOURCE_SWITCHING_BITS = 0x4000000,
+               NI_GPCT_RELOAD_SOURCE_GATE_SELECT_BITS = 0x8000000,
+               NI_GPCT_OR_GATE_BIT = 0x10000000,
+               NI_GPCT_INVERT_OUTPUT_BIT = 0x20000000
+       };
 
 /* Bits for setting a clock source with
  * INSN_CONFIG_SET_CLOCK_SRC when using NI general-purpose counters. */
-enum ni_gpct_clock_source_bits
-{
-       NI_GPCT_CLOCK_SRC_SELECT_MASK = 0x3f,
-       NI_GPCT_TIMEBASE_1_CLOCK_SRC_BITS = 0x0,
-       NI_GPCT_TIMEBASE_2_CLOCK_SRC_BITS = 0x1,
-       NI_GPCT_TIMEBASE_3_CLOCK_SRC_BITS = 0x2,
-       NI_GPCT_LOGIC_LOW_CLOCK_SRC_BITS = 0x3,
-       NI_GPCT_NEXT_GATE_CLOCK_SRC_BITS = 0x4,
-       NI_GPCT_NEXT_TC_CLOCK_SRC_BITS = 0x5,
-       NI_GPCT_SOURCE_PIN_i_CLOCK_SRC_BITS = 0x6, /* NI 660x-specific */
-       NI_GPCT_PXI10_CLOCK_SRC_BITS = 0x7,
-       NI_GPCT_PXI_STAR_TRIGGER_CLOCK_SRC_BITS = 0x8,
-       NI_GPCT_ANALOG_TRIGGER_OUT_CLOCK_SRC_BITS = 0x9,
-       NI_GPCT_PRESCALE_MODE_CLOCK_SRC_MASK = 0x30000000,
-       NI_GPCT_NO_PRESCALE_CLOCK_SRC_BITS = 0x0,
-       NI_GPCT_PRESCALE_X2_CLOCK_SRC_BITS = 0x10000000,        /* divide source by 2 */
-       NI_GPCT_PRESCALE_X8_CLOCK_SRC_BITS = 0x20000000,        /* divide source by 8 */
-       NI_GPCT_INVERT_CLOCK_SRC_BIT = 0x80000000
-};
-static inline unsigned NI_GPCT_SOURCE_PIN_CLOCK_SRC_BITS(unsigned n) /* NI 660x-specific */
-{
-       return 0x10 + n;
-}
-static inline unsigned NI_GPCT_RTSI_CLOCK_SRC_BITS(unsigned n)
-{
-       return 0x18 + n;
-}
-static inline unsigned NI_GPCT_PFI_CLOCK_SRC_BITS(unsigned n) /* no pfi on NI 660x */
-{
-       return 0x20 + n;
-}
+       enum ni_gpct_clock_source_bits {
+               NI_GPCT_CLOCK_SRC_SELECT_MASK = 0x3f,
+               NI_GPCT_TIMEBASE_1_CLOCK_SRC_BITS = 0x0,
+               NI_GPCT_TIMEBASE_2_CLOCK_SRC_BITS = 0x1,
+               NI_GPCT_TIMEBASE_3_CLOCK_SRC_BITS = 0x2,
+               NI_GPCT_LOGIC_LOW_CLOCK_SRC_BITS = 0x3,
+               NI_GPCT_NEXT_GATE_CLOCK_SRC_BITS = 0x4,
+               NI_GPCT_NEXT_TC_CLOCK_SRC_BITS = 0x5,
+               NI_GPCT_SOURCE_PIN_i_CLOCK_SRC_BITS = 0x6,      /* NI 660x-specific */
+               NI_GPCT_PXI10_CLOCK_SRC_BITS = 0x7,
+               NI_GPCT_PXI_STAR_TRIGGER_CLOCK_SRC_BITS = 0x8,
+               NI_GPCT_ANALOG_TRIGGER_OUT_CLOCK_SRC_BITS = 0x9,
+               NI_GPCT_PRESCALE_MODE_CLOCK_SRC_MASK = 0x30000000,
+               NI_GPCT_NO_PRESCALE_CLOCK_SRC_BITS = 0x0,
+               NI_GPCT_PRESCALE_X2_CLOCK_SRC_BITS = 0x10000000,        /* divide source by 2 */
+               NI_GPCT_PRESCALE_X8_CLOCK_SRC_BITS = 0x20000000,        /* divide source by 8 */
+               NI_GPCT_INVERT_CLOCK_SRC_BIT = 0x80000000
+       };
+       static inline unsigned NI_GPCT_SOURCE_PIN_CLOCK_SRC_BITS(unsigned n) {  /* NI 660x-specific */
+               return 0x10 + n;
+       }
+       static inline unsigned NI_GPCT_RTSI_CLOCK_SRC_BITS(unsigned n) {
+               return 0x18 + n;
+       }
+       static inline unsigned NI_GPCT_PFI_CLOCK_SRC_BITS(unsigned n) { /* no pfi on NI 660x */
+               return 0x20 + n;
+       }
 
 /* Possibilities for setting a gate source with
 INSN_CONFIG_SET_GATE_SRC when using NI general-purpose counters.
 May be bitwise-or'd with CR_EDGE or CR_INVERT. */
-enum ni_gpct_gate_select
-{
-       /* m-series gates */
-       NI_GPCT_TIMESTAMP_MUX_GATE_SELECT = 0x0,
-       NI_GPCT_AI_START2_GATE_SELECT = 0x12,
-       NI_GPCT_PXI_STAR_TRIGGER_GATE_SELECT = 0x13,
-       NI_GPCT_NEXT_OUT_GATE_SELECT = 0x14,
-       NI_GPCT_AI_START1_GATE_SELECT = 0x1c,
-       NI_GPCT_NEXT_SOURCE_GATE_SELECT = 0x1d,
-       NI_GPCT_ANALOG_TRIGGER_OUT_GATE_SELECT = 0x1e,
-       NI_GPCT_LOGIC_LOW_GATE_SELECT = 0x1f,
-       /* more gates for 660x */
-       NI_GPCT_SOURCE_PIN_i_GATE_SELECT = 0x100,
-       NI_GPCT_GATE_PIN_i_GATE_SELECT = 0x101,
-       /* more gates for 660x "second gate" */
-       NI_GPCT_UP_DOWN_PIN_i_GATE_SELECT = 0x201,
-       NI_GPCT_SELECTED_GATE_GATE_SELECT = 0x21e,
-       /* m-series "second gate" sources are unknown,
-       we should add them here with an offset of 0x300 when known. */
-       NI_GPCT_DISABLED_GATE_SELECT = 0x8000,
-};
-static inline unsigned NI_GPCT_GATE_PIN_GATE_SELECT(unsigned n)
-{
-       return 0x102 + n;
-}
-static inline unsigned NI_GPCT_RTSI_GATE_SELECT(unsigned n)
-{
-       return NI_USUAL_RTSI_SELECT(n);
-}
-static inline unsigned NI_GPCT_PFI_GATE_SELECT(unsigned n)
-{
-       return NI_USUAL_PFI_SELECT(n);
-}
-static inline unsigned NI_GPCT_UP_DOWN_PIN_GATE_SELECT(unsigned n)
-{
-       return 0x202 + n;
-}
+       enum ni_gpct_gate_select {
+               /* m-series gates */
+               NI_GPCT_TIMESTAMP_MUX_GATE_SELECT = 0x0,
+               NI_GPCT_AI_START2_GATE_SELECT = 0x12,
+               NI_GPCT_PXI_STAR_TRIGGER_GATE_SELECT = 0x13,
+               NI_GPCT_NEXT_OUT_GATE_SELECT = 0x14,
+               NI_GPCT_AI_START1_GATE_SELECT = 0x1c,
+               NI_GPCT_NEXT_SOURCE_GATE_SELECT = 0x1d,
+               NI_GPCT_ANALOG_TRIGGER_OUT_GATE_SELECT = 0x1e,
+               NI_GPCT_LOGIC_LOW_GATE_SELECT = 0x1f,
+               /* more gates for 660x */
+               NI_GPCT_SOURCE_PIN_i_GATE_SELECT = 0x100,
+               NI_GPCT_GATE_PIN_i_GATE_SELECT = 0x101,
+               /* more gates for 660x "second gate" */
+               NI_GPCT_UP_DOWN_PIN_i_GATE_SELECT = 0x201,
+               NI_GPCT_SELECTED_GATE_GATE_SELECT = 0x21e,
+               /* m-series "second gate" sources are unknown,
+                  we should add them here with an offset of 0x300 when known. */
+               NI_GPCT_DISABLED_GATE_SELECT = 0x8000,
+       };
+       static inline unsigned NI_GPCT_GATE_PIN_GATE_SELECT(unsigned n) {
+               return 0x102 + n;
+       }
+       static inline unsigned NI_GPCT_RTSI_GATE_SELECT(unsigned n) {
+               return NI_USUAL_RTSI_SELECT(n);
+       }
+       static inline unsigned NI_GPCT_PFI_GATE_SELECT(unsigned n) {
+               return NI_USUAL_PFI_SELECT(n);
+       }
+       static inline unsigned NI_GPCT_UP_DOWN_PIN_GATE_SELECT(unsigned n) {
+               return 0x202 + n;
+       }
 
 /* Possibilities for setting a source with
 INSN_CONFIG_SET_OTHER_SRC when using NI general-purpose counters. */
-enum ni_gpct_other_index {
-  NI_GPCT_SOURCE_ENCODER_A,
-  NI_GPCT_SOURCE_ENCODER_B,
-  NI_GPCT_SOURCE_ENCODER_Z
-};
-enum ni_gpct_other_select
-{
-       /* m-series gates */
-        // Still unknown, probably only need NI_GPCT_PFI_OTHER_SELECT
-       NI_GPCT_DISABLED_OTHER_SELECT = 0x8000,
-};
-static inline unsigned NI_GPCT_PFI_OTHER_SELECT(unsigned n)
-{
-       return NI_USUAL_PFI_SELECT(n);
-}
-
+       enum ni_gpct_other_index {
+               NI_GPCT_SOURCE_ENCODER_A,
+               NI_GPCT_SOURCE_ENCODER_B,
+               NI_GPCT_SOURCE_ENCODER_Z
+       };
+       enum ni_gpct_other_select {
+               /* m-series gates */
+               // Still unknown, probably only need NI_GPCT_PFI_OTHER_SELECT
+               NI_GPCT_DISABLED_OTHER_SELECT = 0x8000,
+       };
+       static inline unsigned NI_GPCT_PFI_OTHER_SELECT(unsigned n) {
+               return NI_USUAL_PFI_SELECT(n);
+       }
 
 /* start sources for ni general-purpose counters for use with
 INSN_CONFIG_ARM */
-enum ni_gpct_arm_source
-{
-       NI_GPCT_ARM_IMMEDIATE = 0x0,
-       NI_GPCT_ARM_PAIRED_IMMEDIATE = 0x1, /* Start both the counter and the adjacent paired counter simultaneously */
-       /* NI doesn't document bits for selecting hardware arm triggers.  If
-       the NI_GPCT_ARM_UNKNOWN bit is set, we will pass the least significant
-       bits (3 bits for 660x or 5 bits for m-series) through to the hardware.
-       This will at least allow someone to figure out what the bits do later.*/
-       NI_GPCT_ARM_UNKNOWN = 0x1000,
-};
+       enum ni_gpct_arm_source {
+               NI_GPCT_ARM_IMMEDIATE = 0x0,
+               NI_GPCT_ARM_PAIRED_IMMEDIATE = 0x1,     /* Start both the counter and the adjacent paired counter simultaneously */
+               /* NI doesn't document bits for selecting hardware arm triggers.  If
+                  the NI_GPCT_ARM_UNKNOWN bit is set, we will pass the least significant
+                  bits (3 bits for 660x or 5 bits for m-series) through to the hardware.
+                  This will at least allow someone to figure out what the bits do later. */
+               NI_GPCT_ARM_UNKNOWN = 0x1000,
+       };
 
 /* digital filtering options for ni 660x for use with INSN_CONFIG_FILTER. */
-enum ni_gpct_filter_select
-{
-       NI_GPCT_FILTER_OFF = 0x0,
-       NI_GPCT_FILTER_TIMEBASE_3_SYNC = 0x1,
-       NI_GPCT_FILTER_100x_TIMEBASE_1= 0x2,
-       NI_GPCT_FILTER_20x_TIMEBASE_1 = 0x3,
-       NI_GPCT_FILTER_10x_TIMEBASE_1 = 0x4,
-       NI_GPCT_FILTER_2x_TIMEBASE_1 = 0x5,
-       NI_GPCT_FILTER_2x_TIMEBASE_3 = 0x6
-};
+       enum ni_gpct_filter_select {
+               NI_GPCT_FILTER_OFF = 0x0,
+               NI_GPCT_FILTER_TIMEBASE_3_SYNC = 0x1,
+               NI_GPCT_FILTER_100x_TIMEBASE_1 = 0x2,
+               NI_GPCT_FILTER_20x_TIMEBASE_1 = 0x3,
+               NI_GPCT_FILTER_10x_TIMEBASE_1 = 0x4,
+               NI_GPCT_FILTER_2x_TIMEBASE_1 = 0x5,
+               NI_GPCT_FILTER_2x_TIMEBASE_3 = 0x6
+       };
 
 /* PFI digital filtering options for ni m-series for use with INSN_CONFIG_FILTER. */
-enum ni_pfi_filter_select
-{
-       NI_PFI_FILTER_OFF = 0x0,
-       NI_PFI_FILTER_125ns = 0x1,
-       NI_PFI_FILTER_6425ns = 0x2,
-       NI_PFI_FILTER_2550us = 0x3
-};
+       enum ni_pfi_filter_select {
+               NI_PFI_FILTER_OFF = 0x0,
+               NI_PFI_FILTER_125ns = 0x1,
+               NI_PFI_FILTER_6425ns = 0x2,
+               NI_PFI_FILTER_2550us = 0x3
+       };
 
 /* master clock sources for ni mio boards and INSN_CONFIG_SET_CLOCK_SRC */
-enum ni_mio_clock_source
-{
-       NI_MIO_INTERNAL_CLOCK = 0,
-       NI_MIO_RTSI_CLOCK = 1,  /* doesn't work for m-series, use NI_MIO_PLL_RTSI_CLOCK() */
-       /* the NI_MIO_PLL_* sources are m-series only */
-       NI_MIO_PLL_PXI_STAR_TRIGGER_CLOCK = 2,
-       NI_MIO_PLL_PXI10_CLOCK = 3,
-       NI_MIO_PLL_RTSI0_CLOCK = 4
-};
-static inline unsigned NI_MIO_PLL_RTSI_CLOCK(unsigned rtsi_channel)
-{
-       return NI_MIO_PLL_RTSI0_CLOCK + rtsi_channel;
-}
+       enum ni_mio_clock_source {
+               NI_MIO_INTERNAL_CLOCK = 0,
+               NI_MIO_RTSI_CLOCK = 1,  /* doesn't work for m-series, use NI_MIO_PLL_RTSI_CLOCK() */
+               /* the NI_MIO_PLL_* sources are m-series only */
+               NI_MIO_PLL_PXI_STAR_TRIGGER_CLOCK = 2,
+               NI_MIO_PLL_PXI10_CLOCK = 3,
+               NI_MIO_PLL_RTSI0_CLOCK = 4
+       };
+       static inline unsigned NI_MIO_PLL_RTSI_CLOCK(unsigned rtsi_channel) {
+               return NI_MIO_PLL_RTSI0_CLOCK + rtsi_channel;
+       }
 
 /* Signals which can be routed to an NI RTSI pin with INSN_CONFIG_SET_ROUTING.
  The numbers assigned are not arbitrary, they correspond to the bits required
  to program the board. */
-enum ni_rtsi_routing
-{
-       NI_RTSI_OUTPUT_ADR_START1 = 0,
-       NI_RTSI_OUTPUT_ADR_START2 = 1,
-       NI_RTSI_OUTPUT_SCLKG = 2,
-       NI_RTSI_OUTPUT_DACUPDN = 3,
-       NI_RTSI_OUTPUT_DA_START1 = 4,
-       NI_RTSI_OUTPUT_G_SRC0 = 5,
-       NI_RTSI_OUTPUT_G_GATE0 = 6,
-       NI_RTSI_OUTPUT_RGOUT0 = 7,
-       NI_RTSI_OUTPUT_RTSI_BRD_0 = 8,
-       NI_RTSI_OUTPUT_RTSI_OSC = 12 /* pre-m-series always have RTSI clock on line 7 */
-};
-static inline unsigned NI_RTSI_OUTPUT_RTSI_BRD(unsigned n)
-{
-       return NI_RTSI_OUTPUT_RTSI_BRD_0 + n;
-}
+       enum ni_rtsi_routing {
+               NI_RTSI_OUTPUT_ADR_START1 = 0,
+               NI_RTSI_OUTPUT_ADR_START2 = 1,
+               NI_RTSI_OUTPUT_SCLKG = 2,
+               NI_RTSI_OUTPUT_DACUPDN = 3,
+               NI_RTSI_OUTPUT_DA_START1 = 4,
+               NI_RTSI_OUTPUT_G_SRC0 = 5,
+               NI_RTSI_OUTPUT_G_GATE0 = 6,
+               NI_RTSI_OUTPUT_RGOUT0 = 7,
+               NI_RTSI_OUTPUT_RTSI_BRD_0 = 8,
+               NI_RTSI_OUTPUT_RTSI_OSC = 12    /* pre-m-series always have RTSI clock on line 7 */
+       };
+       static inline unsigned NI_RTSI_OUTPUT_RTSI_BRD(unsigned n) {
+               return NI_RTSI_OUTPUT_RTSI_BRD_0 + n;
+       }
 
 /* Signals which can be routed to an NI PFI pin on an m-series board
  with INSN_CONFIG_SET_ROUTING.  These numbers are also returned
@@ -730,37 +714,35 @@ static inline unsigned NI_RTSI_OUTPUT_RTSI_BRD(unsigned n)
  their routing cannot be changed.  The numbers assigned are
  not arbitrary, they correspond to the bits required
  to program the board. */
-enum ni_pfi_routing
-{
-       NI_PFI_OUTPUT_PFI_DEFAULT = 0,
-       NI_PFI_OUTPUT_AI_START1 = 1,
-       NI_PFI_OUTPUT_AI_START2 = 2,
-       NI_PFI_OUTPUT_AI_CONVERT = 3,
-       NI_PFI_OUTPUT_G_SRC1 = 4,
-       NI_PFI_OUTPUT_G_GATE1 = 5,
-       NI_PFI_OUTPUT_AO_UPDATE_N = 6,
-       NI_PFI_OUTPUT_AO_START1 = 7,
-       NI_PFI_OUTPUT_AI_START_PULSE = 8,
-       NI_PFI_OUTPUT_G_SRC0 = 9,
-       NI_PFI_OUTPUT_G_GATE0 = 10,
-       NI_PFI_OUTPUT_EXT_STROBE = 11,
-       NI_PFI_OUTPUT_AI_EXT_MUX_CLK = 12,
-       NI_PFI_OUTPUT_GOUT0 = 13,
-       NI_PFI_OUTPUT_GOUT1 = 14,
-       NI_PFI_OUTPUT_FREQ_OUT = 15,
-       NI_PFI_OUTPUT_PFI_DO = 16,
-       NI_PFI_OUTPUT_I_ATRIG = 17,
-       NI_PFI_OUTPUT_RTSI0 = 18,
-       NI_PFI_OUTPUT_PXI_STAR_TRIGGER_IN = 26,
-       NI_PFI_OUTPUT_SCXI_TRIG1 = 27,
-       NI_PFI_OUTPUT_DIO_CHANGE_DETECT_RTSI = 28,
-       NI_PFI_OUTPUT_CDI_SAMPLE = 29,
-       NI_PFI_OUTPUT_CDO_UPDATE = 30
-};
-static inline unsigned NI_PFI_OUTPUT_RTSI(unsigned rtsi_channel)
-{
-       return NI_PFI_OUTPUT_RTSI0 + rtsi_channel;
-}
+       enum ni_pfi_routing {
+               NI_PFI_OUTPUT_PFI_DEFAULT = 0,
+               NI_PFI_OUTPUT_AI_START1 = 1,
+               NI_PFI_OUTPUT_AI_START2 = 2,
+               NI_PFI_OUTPUT_AI_CONVERT = 3,
+               NI_PFI_OUTPUT_G_SRC1 = 4,
+               NI_PFI_OUTPUT_G_GATE1 = 5,
+               NI_PFI_OUTPUT_AO_UPDATE_N = 6,
+               NI_PFI_OUTPUT_AO_START1 = 7,
+               NI_PFI_OUTPUT_AI_START_PULSE = 8,
+               NI_PFI_OUTPUT_G_SRC0 = 9,
+               NI_PFI_OUTPUT_G_GATE0 = 10,
+               NI_PFI_OUTPUT_EXT_STROBE = 11,
+               NI_PFI_OUTPUT_AI_EXT_MUX_CLK = 12,
+               NI_PFI_OUTPUT_GOUT0 = 13,
+               NI_PFI_OUTPUT_GOUT1 = 14,
+               NI_PFI_OUTPUT_FREQ_OUT = 15,
+               NI_PFI_OUTPUT_PFI_DO = 16,
+               NI_PFI_OUTPUT_I_ATRIG = 17,
+               NI_PFI_OUTPUT_RTSI0 = 18,
+               NI_PFI_OUTPUT_PXI_STAR_TRIGGER_IN = 26,
+               NI_PFI_OUTPUT_SCXI_TRIG1 = 27,
+               NI_PFI_OUTPUT_DIO_CHANGE_DETECT_RTSI = 28,
+               NI_PFI_OUTPUT_CDI_SAMPLE = 29,
+               NI_PFI_OUTPUT_CDO_UPDATE = 30
+       };
+       static inline unsigned NI_PFI_OUTPUT_RTSI(unsigned rtsi_channel) {
+               return NI_PFI_OUTPUT_RTSI0 + rtsi_channel;
+       }
 
 /* Signals which can be routed to output on a NI PFI pin on a 660x board
  with INSN_CONFIG_SET_ROUTING.  The numbers assigned are
@@ -768,79 +750,110 @@ static inline unsigned NI_PFI_OUTPUT_RTSI(unsigned rtsi_channel)
  to program the board.  Lines 0 to 7 can only be set to
  NI_660X_PFI_OUTPUT_DIO.  Lines 32 to 39 can only be set to
  NI_660X_PFI_OUTPUT_COUNTER. */
-enum ni_660x_pfi_routing
-{
-       NI_660X_PFI_OUTPUT_COUNTER = 1, // counter
-       NI_660X_PFI_OUTPUT_DIO = 2,     // static digital output
-};
+       enum ni_660x_pfi_routing {
+               NI_660X_PFI_OUTPUT_COUNTER = 1, // counter
+               NI_660X_PFI_OUTPUT_DIO = 2,     // static digital output
+       };
 
 /* NI External Trigger lines.  These values are not arbitrary, but are related to
        the bits required to program the board (offset by 1 for historical reasons). */
-static inline unsigned NI_EXT_PFI(unsigned pfi_channel)
-{
-       return NI_USUAL_PFI_SELECT(pfi_channel) - 1;
-}
-static inline unsigned NI_EXT_RTSI(unsigned rtsi_channel)
-{
-       return NI_USUAL_RTSI_SELECT(rtsi_channel) - 1;
-}
+       static inline unsigned NI_EXT_PFI(unsigned pfi_channel) {
+               return NI_USUAL_PFI_SELECT(pfi_channel) - 1;
+       }
+       static inline unsigned NI_EXT_RTSI(unsigned rtsi_channel) {
+               return NI_USUAL_RTSI_SELECT(rtsi_channel) - 1;
+       }
 
 /* status bits for INSN_CONFIG_GET_COUNTER_STATUS */
-enum comedi_counter_status_flags
-{
-       COMEDI_COUNTER_ARMED = 0x1,
-       COMEDI_COUNTER_COUNTING = 0x2,
-       COMEDI_COUNTER_TERMINAL_COUNT = 0x4,
-};
+       enum comedi_counter_status_flags {
+               COMEDI_COUNTER_ARMED = 0x1,
+               COMEDI_COUNTER_COUNTING = 0x2,
+               COMEDI_COUNTER_TERMINAL_COUNT = 0x4,
+       };
 
 /* Clock sources for CDIO subdevice on NI m-series boards.
 Used as the scan_begin_arg for a comedi_command. These
 sources may also be bitwise-or'd with CR_INVERT to change polarity. */
-enum ni_m_series_cdio_scan_begin_src
-{
-       NI_CDIO_SCAN_BEGIN_SRC_GROUND = 0,
-       NI_CDIO_SCAN_BEGIN_SRC_AI_START = 18,
-       NI_CDIO_SCAN_BEGIN_SRC_AI_CONVERT = 19,
-       NI_CDIO_SCAN_BEGIN_SRC_PXI_STAR_TRIGGER = 20,
-       NI_CDIO_SCAN_BEGIN_SRC_G0_OUT = 28,
-       NI_CDIO_SCAN_BEGIN_SRC_G1_OUT = 29,
-       NI_CDIO_SCAN_BEGIN_SRC_ANALOG_TRIGGER = 30,
-       NI_CDIO_SCAN_BEGIN_SRC_AO_UPDATE = 31,
-       NI_CDIO_SCAN_BEGIN_SRC_FREQ_OUT = 32,
-       NI_CDIO_SCAN_BEGIN_SRC_DIO_CHANGE_DETECT_IRQ = 33
-};
-static inline unsigned NI_CDIO_SCAN_BEGIN_SRC_PFI(unsigned pfi_channel)
-{
-       return NI_USUAL_PFI_SELECT(pfi_channel);
-}
-static inline unsigned NI_CDIO_SCAN_BEGIN_SRC_RTSI(unsigned rtsi_channel)
-{
-       return NI_USUAL_RTSI_SELECT(rtsi_channel);
-}
+       enum ni_m_series_cdio_scan_begin_src {
+               NI_CDIO_SCAN_BEGIN_SRC_GROUND = 0,
+               NI_CDIO_SCAN_BEGIN_SRC_AI_START = 18,
+               NI_CDIO_SCAN_BEGIN_SRC_AI_CONVERT = 19,
+               NI_CDIO_SCAN_BEGIN_SRC_PXI_STAR_TRIGGER = 20,
+               NI_CDIO_SCAN_BEGIN_SRC_G0_OUT = 28,
+               NI_CDIO_SCAN_BEGIN_SRC_G1_OUT = 29,
+               NI_CDIO_SCAN_BEGIN_SRC_ANALOG_TRIGGER = 30,
+               NI_CDIO_SCAN_BEGIN_SRC_AO_UPDATE = 31,
+               NI_CDIO_SCAN_BEGIN_SRC_FREQ_OUT = 32,
+               NI_CDIO_SCAN_BEGIN_SRC_DIO_CHANGE_DETECT_IRQ = 33
+       };
+       static inline unsigned NI_CDIO_SCAN_BEGIN_SRC_PFI(unsigned pfi_channel) {
+               return NI_USUAL_PFI_SELECT(pfi_channel);
+       }
+       static inline unsigned NI_CDIO_SCAN_BEGIN_SRC_RTSI(unsigned
+               rtsi_channel) {
+               return NI_USUAL_RTSI_SELECT(rtsi_channel);
+       }
 
 /* scan_begin_src for scan_begin_arg==TRIG_EXT with analog output command
 on NI boards.  These scan begin sources can also be bitwise-or'd with
 CR_INVERT to change polarity. */
-static inline unsigned NI_AO_SCAN_BEGIN_SRC_PFI(unsigned pfi_channel)
-{
-       return NI_USUAL_PFI_SELECT(pfi_channel);
-}
-static inline unsigned NI_AO_SCAN_BEGIN_SRC_RTSI(unsigned rtsi_channel)
-{
-       return NI_USUAL_RTSI_SELECT(rtsi_channel);
-}
+       static inline unsigned NI_AO_SCAN_BEGIN_SRC_PFI(unsigned pfi_channel) {
+               return NI_USUAL_PFI_SELECT(pfi_channel);
+       }
+       static inline unsigned NI_AO_SCAN_BEGIN_SRC_RTSI(unsigned rtsi_channel) {
+               return NI_USUAL_RTSI_SELECT(rtsi_channel);
+       }
 
 /* Bits for setting a clock source with
  * INSN_CONFIG_SET_CLOCK_SRC when using NI frequency output subdevice. */
-enum ni_freq_out_clock_source_bits
-{
-       NI_FREQ_OUT_TIMEBASE_1_DIV_2_CLOCK_SRC, // 10 MHz
-       NI_FREQ_OUT_TIMEBASE_2_CLOCK_SRC        // 100 KHz
-};
+       enum ni_freq_out_clock_source_bits {
+               NI_FREQ_OUT_TIMEBASE_1_DIV_2_CLOCK_SRC, // 10 MHz
+               NI_FREQ_OUT_TIMEBASE_2_CLOCK_SRC        // 100 KHz
+       };
+
+/* Values for setting a clock source with INSN_CONFIG_SET_CLOCK_SRC for
+ * 8254 counter subdevices on Amplicon DIO boards (amplc_dio200 driver). */
+       enum amplc_dio_clock_source {
+               AMPLC_DIO_CLK_CLKN,     /* per channel external clock
+                                          input/output pin (pin is only an
+                                          input when clock source set to this
+                                          value, otherwise it is an output) */
+               AMPLC_DIO_CLK_10MHZ,    /* 10 MHz internal clock */
+               AMPLC_DIO_CLK_1MHZ,     /* 1 MHz internal clock */
+               AMPLC_DIO_CLK_100KHZ,   /* 100 kHz internal clock */
+               AMPLC_DIO_CLK_10KHZ,    /* 10 kHz internal clock */
+               AMPLC_DIO_CLK_1KHZ,     /* 1 kHz internal clock */
+               AMPLC_DIO_CLK_OUTNM1,   /* output of preceding counter channel
+                                          (for channel 0, preceding counter
+                                          channel is channel 2 on preceding 
+                                          counter subdevice, for first counter
+                                          subdevice, preceding counter
+                                          subdevice is the last counter
+                                          subdevice) */
+               AMPLC_DIO_CLK_EXT       /* per chip external input pin */
+       };
+
+/* Values for setting a gate source with INSN_CONFIG_SET_GATE_SRC for
+ * 8254 counter subdevices on Amplicon DIO boards (amplc_dio200 driver). */
+       enum amplc_dio_gate_source {
+               AMPLC_DIO_GAT_VCC,      /* internal high logic level */
+               AMPLC_DIO_GAT_GND,      /* internal low logic level */
+               AMPLC_DIO_GAT_GATN,     /* per channel external gate input */
+               AMPLC_DIO_GAT_NOUTNM2,  /* negated output of counter channel
+                                          minus 2 (for channels 0 or 1,
+                                          channel minus 2 is channel 1 or 2 on
+                                          the preceding counter subdevice, for
+                                          the first counter subdevice the
+                                          preceding counter subdevice is the
+                                          last counter subdevice) */
+               AMPLC_DIO_GAT_RESERVED4,
+               AMPLC_DIO_GAT_RESERVED5,
+               AMPLC_DIO_GAT_RESERVED6,
+               AMPLC_DIO_GAT_RESERVED7
+       };
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* _COMEDI_H */
-