diff options
Diffstat (limited to 'drivers/staging/comedi/comedi.h')
| -rw-r--r-- | drivers/staging/comedi/comedi.h | 65 |
1 files changed, 63 insertions, 2 deletions
diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h index 133f013e0f6d..c8a8ca126127 100644 --- a/drivers/staging/comedi/comedi.h +++ b/drivers/staging/comedi/comedi.h @@ -283,6 +283,44 @@ enum configuration_ids { INSN_CONFIG_PWM_GET_H_BRIDGE = 5004 }; +/* + * Settings for INSN_CONFIG_DIGITAL_TRIG: + * data[0] = INSN_CONFIG_DIGITAL_TRIG + * data[1] = trigger ID + * data[2] = configuration operation + * data[3] = configuration parameter 1 + * data[4] = configuration parameter 2 + * data[5] = configuration parameter 3 + * + * operation parameter 1 parameter 2 parameter 3 + * --------------------------------- ----------- ----------- ----------- + * COMEDI_DIGITAL_TRIG_DISABLE + * COMEDI_DIGITAL_TRIG_ENABLE_EDGES left-shift rising-edges falling-edges + * COMEDI_DIGITAL_TRIG_ENABLE_LEVELS left-shift high-levels low-levels + * + * COMEDI_DIGITAL_TRIG_DISABLE returns the trigger to its default, inactive, + * unconfigured state. + * + * COMEDI_DIGITAL_TRIG_ENABLE_EDGES sets the rising and/or falling edge inputs + * that each can fire the trigger. + * + * COMEDI_DIGITAL_TRIG_ENABLE_LEVELS sets a combination of high and/or low + * level inputs that can fire the trigger. + * + * "left-shift" is useful if the trigger has more than 32 inputs to specify the + * first input for this configuration. + * + * Some sequences of INSN_CONFIG_DIGITAL_TRIG instructions may have a (partly) + * accumulative effect, depending on the low-level driver. This is useful + * when setting up a trigger that has more than 32 inputs or has a combination + * of edge and level triggered inputs. + */ +enum comedi_digital_trig_op { + COMEDI_DIGITAL_TRIG_DISABLE = 0, + COMEDI_DIGITAL_TRIG_ENABLE_EDGES = 1, + COMEDI_DIGITAL_TRIG_ENABLE_LEVELS = 2 +}; + enum comedi_io_direction { COMEDI_INPUT = 0, COMEDI_OUTPUT = 1, @@ -888,7 +926,20 @@ enum amplc_dio_clock_source { subdevice, preceding counter subdevice is the last counter subdevice) */ - AMPLC_DIO_CLK_EXT /* per chip external input pin */ + AMPLC_DIO_CLK_EXT, /* per chip external input pin */ + /* the following are "enhanced" clock sources for PCIe models */ + AMPLC_DIO_CLK_VCC, /* clock input HIGH */ + AMPLC_DIO_CLK_GND, /* clock input LOW */ + AMPLC_DIO_CLK_PAT_PRESENT, /* "pattern present" signal */ + AMPLC_DIO_CLK_20MHZ /* 20 MHz internal clock */ +}; + +/* Values for setting a clock source with INSN_CONFIG_SET_CLOCK_SRC for + * timer subdevice on some Amplicon DIO PCIe boards (amplc_dio200 driver). */ +enum amplc_dio_ts_clock_src { + AMPLC_DIO_TS_CLK_1GHZ, /* 1 ns period with 20 ns granularity */ + AMPLC_DIO_TS_CLK_1MHZ, /* 1 us period */ + AMPLC_DIO_TS_CLK_1KHZ /* 1 ms period */ }; /* Values for setting a gate source with INSN_CONFIG_SET_GATE_SRC for @@ -907,7 +958,17 @@ enum amplc_dio_gate_source { AMPLC_DIO_GAT_RESERVED4, AMPLC_DIO_GAT_RESERVED5, AMPLC_DIO_GAT_RESERVED6, - AMPLC_DIO_GAT_RESERVED7 + AMPLC_DIO_GAT_RESERVED7, + /* the following are "enhanced" gate sources for PCIe models */ + AMPLC_DIO_GAT_NGATN = 6, /* negated per channel gate input */ + AMPLC_DIO_GAT_OUTNM2, /* non-negated output of counter + channel minus 2 */ + AMPLC_DIO_GAT_PAT_PRESENT, /* "pattern present" signal */ + AMPLC_DIO_GAT_PAT_OCCURRED, /* "pattern occurred" latched */ + AMPLC_DIO_GAT_PAT_GONE, /* "pattern gone away" latched */ + AMPLC_DIO_GAT_NPAT_PRESENT, /* negated "pattern present" */ + AMPLC_DIO_GAT_NPAT_OCCURRED, /* negated "pattern occurred" */ + AMPLC_DIO_GAT_NPAT_GONE /* negated "pattern gone away" */ }; #endif /* _COMEDI_H */ |