diff options
Diffstat (limited to 'drivers/staging/comedi/comedi.h')
| -rw-r--r-- | drivers/staging/comedi/comedi.h | 342 |
1 files changed, 210 insertions, 132 deletions
diff --git a/drivers/staging/comedi/comedi.h b/drivers/staging/comedi/comedi.h index e6b5f16edb0..6bbbe5b0895 100644 --- a/drivers/staging/comedi/comedi.h +++ b/drivers/staging/comedi/comedi.h @@ -14,20 +14,11 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ #ifndef _COMEDI_H #define _COMEDI_H -#ifdef __cplusplus -extern "C" { -#endif - #define COMEDI_MAJORVERSION 0 #define COMEDI_MINORVERSION 7 #define COMEDI_MICROVERSION 76 @@ -45,13 +36,25 @@ extern "C" { /* number of config options in the config structure */ #define COMEDI_NDEVCONFOPTS 32 -/*length of nth chunk of firmware data*/ + +/* + * NOTE: 'comedi_config --init-data' is deprecated + * + * The following indexes in the config options were used by + * comedi_config to pass firmware blobs from user space to the + * comedi drivers. The request_firmware() hotplug interface is + * now used by all comedi drivers instead. + */ + +/* length of nth chunk of firmware data -*/ #define COMEDI_DEVCONF_AUX_DATA3_LENGTH 25 #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 */ +/* most significant 32 bits of pointer address (if needed) */ +#define COMEDI_DEVCONF_AUX_DATA_HI 29 +/* least significant 32 bits of pointer address */ +#define COMEDI_DEVCONF_AUX_DATA_LO 30 #define COMEDI_DEVCONF_AUX_DATA_LENGTH 31 /* total data length */ /* max length of device and driver names */ @@ -59,8 +62,10 @@ extern "C" { /* packs and unpacks a channel/range number */ -#define CR_PACK(chan, rng, aref) ((((aref)&0x3)<<24) | (((rng)&0xff)<<16) | (chan)) -#define CR_PACK_FLAGS(chan, range, aref, flags) (CR_PACK(chan, range, aref) | ((flags) & CR_FLAGS_MASK)) +#define CR_PACK(chan, rng, aref) \ + ((((aref)&0x3)<<24) | (((rng)&0xff)<<16) | (chan)) +#define CR_PACK_FLAGS(chan, range, aref, flags) \ + (CR_PACK(chan, range, aref) | ((flags) & CR_FLAGS_MASK)) #define CR_CHAN(a) ((a)&0xffff) #define CR_RANGE(a) (((a)>>16)&0xff) @@ -121,15 +126,16 @@ extern "C" { #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_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_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 */ +/* try to use a real-time interrupt while performing command */ +#define CMDF_PRIORITY 0x00000008 #define TRIG_RT CMDF_PRIORITY /* compatibility definition */ @@ -155,15 +161,15 @@ extern "C" { #define TRIG_ANY 0xffffffff #define TRIG_INVALID 0x00000000 -#define TRIG_NONE 0x00000001 /* never trigger */ -#define TRIG_NOW 0x00000002 /* trigger now + N ns */ -#define TRIG_FOLLOW 0x00000004 /* trigger on next lower level trig */ -#define TRIG_TIME 0x00000008 /* trigger at time N ns */ -#define TRIG_TIMER 0x00000010 /* trigger at rate N ns */ -#define TRIG_COUNT 0x00000020 /* trigger when count reaches N */ -#define TRIG_EXT 0x00000040 /* trigger on external signal N */ -#define TRIG_INT 0x00000080 /* trigger on comedi-internal signal N */ -#define TRIG_OTHER 0x00000100 /* driver defined */ +#define TRIG_NONE 0x00000001 /* never trigger */ +#define TRIG_NOW 0x00000002 /* trigger now + N ns */ +#define TRIG_FOLLOW 0x00000004 /* trigger on next lower level trig */ +#define TRIG_TIME 0x00000008 /* trigger at time N ns */ +#define TRIG_TIMER 0x00000010 /* trigger at rate N ns */ +#define TRIG_COUNT 0x00000020 /* trigger when count reaches N */ +#define TRIG_EXT 0x00000040 /* trigger on external signal N */ +#define TRIG_INT 0x00000080 /* trigger on comedi-internal signal N */ +#define TRIG_OTHER 0x00000100 /* driver defined */ /* subdevice flags */ @@ -180,15 +186,17 @@ extern "C" { #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_READABLE 0x00010000 /* subdevice can be read (e.g. analog input) */ -#define SDF_WRITABLE 0x00020000 /* subdevice can be written (e.g. analog output) */ +#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 */ + +/* subdevice can be read (e.g. analog input) */ +#define SDF_READABLE 0x00010000 +/* subdevice can be written (e.g. analog output) */ +#define SDF_WRITABLE 0x00020000 #define SDF_WRITEABLE SDF_WRITABLE /* spelling error in API */ -#define SDF_INTERNAL 0x00040000 /* subdevice does not have externally visible lines */ -#define SDF_RT 0x00080000 /* DEPRECATED: subdevice is RT capable */ +/* subdevice does not have externally visible lines */ +#define SDF_INTERNAL 0x00040000 #define SDF_GROUND 0x00100000 /* can do aref=ground */ #define SDF_COMMON 0x00200000 /* can do aref=common */ #define SDF_DIFF 0x00400000 /* can do aref=diff */ @@ -200,19 +208,17 @@ extern "C" { #define SDF_LSAMPL 0x10000000 /* subdevice uses 32-bit samples */ #define SDF_PACKED 0x20000000 /* subdevice can do packed DIO */ /* re recyle these flags for PWM */ -#define SDF_PWM_COUNTER SDF_MODE0 /* PWM can automatically switch off */ -#define SDF_PWM_HBRIDGE SDF_MODE1 /* PWM is signed (H-bridge) */ - - +#define SDF_PWM_COUNTER SDF_MODE0 /* PWM can automatically switch off */ +#define SDF_PWM_HBRIDGE SDF_MODE1 /* PWM is signed (H-bridge) */ /* 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_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 */ @@ -220,7 +226,7 @@ enum comedi_subdevice_type { COMEDI_SUBD_CALIB, /* calibration DACs */ COMEDI_SUBD_PROC, /* processor, DSP */ COMEDI_SUBD_SERIAL, /* serial IO */ - COMEDI_SUBD_PWM /* PWM */ + COMEDI_SUBD_PWM /* PWM */ }; /* configuration instructions */ @@ -240,7 +246,7 @@ enum configuration_ids { INSN_CONFIG_FILTER = 24, INSN_CONFIG_CHANGE_NOTIFY = 25, - /*ALPHA*/ INSN_CONFIG_SERIAL_CLOCK = 26, + INSN_CONFIG_SERIAL_CLOCK = 26, /*ALPHA*/ INSN_CONFIG_BIDIRECTIONAL_DATA = 27, INSN_CONFIG_DIO_QUERY = 28, INSN_CONFIG_PWM_OUTPUT = 29, @@ -249,31 +255,75 @@ enum configuration_ids { 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 */ + /* Use CTR as single pulsegenerator */ + INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR = 1001, + /* Use CTR as pulsetraingenerator */ + INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR = 1002, + /* Use the counter as encoder */ + INSN_CONFIG_GPCT_QUADRATURE_ENCODER = 1003, 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_GET_HARDWARE_BUFFER_SIZE = 2006, /* Get size in bytes of - subdevice's on-board - fifos used during - streaming - input/output */ + /* Set master clock source */ + INSN_CONFIG_SET_CLOCK_SRC = 2003, + 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 */ + /* Get size in bytes of subdevice's on-board fifos used during + * streaming input/output */ + INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE = 2006, INSN_CONFIG_SET_COUNTER_MODE = 4097, - INSN_CONFIG_8254_SET_MODE = INSN_CONFIG_SET_COUNTER_MODE, /* deprecated */ + /* INSN_CONFIG_8254_SET_MODE is deprecated */ + INSN_CONFIG_8254_SET_MODE = INSN_CONFIG_SET_COUNTER_MODE, INSN_CONFIG_8254_READ_STATUS = 4098, INSN_CONFIG_SET_ROUTING = 4099, INSN_CONFIG_GET_ROUTING = 4109, -/* PWM */ - INSN_CONFIG_PWM_SET_PERIOD = 5000, /* sets frequency */ - INSN_CONFIG_PWM_GET_PERIOD = 5001, /* gets frequency */ - INSN_CONFIG_GET_PWM_STATUS = 5002, /* is it running? */ - INSN_CONFIG_PWM_SET_H_BRIDGE = 5003, /* sets H bridge: duty cycle and sign bit for a relay at the same time*/ - INSN_CONFIG_PWM_GET_H_BRIDGE = 5004 /* gets H bridge data: duty cycle and the sign bit */ + /* PWM */ + INSN_CONFIG_PWM_SET_PERIOD = 5000, /* sets frequency */ + INSN_CONFIG_PWM_GET_PERIOD = 5001, /* gets frequency */ + INSN_CONFIG_GET_PWM_STATUS = 5002, /* is it running? */ + /* sets H bridge: duty cycle and sign bit for a relay at the + * same time */ + INSN_CONFIG_PWM_SET_H_BRIDGE = 5003, + /* gets H bridge data: duty cycle and the sign bit */ + 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 { @@ -316,8 +366,8 @@ struct comedi_trig { unsigned int flags; unsigned int n_chan; /* number of channels */ unsigned int *chanlist; /* channel/range list */ - short *data; /* data list, size depends on subd flags */ - unsigned int n; /* number of scans */ + short *data; /* data list, size depends on subd flags */ + unsigned int n; /* number of scans */ unsigned int trigsrc; unsigned int trigvar; unsigned int trigvar1; @@ -328,7 +378,7 @@ struct comedi_trig { struct comedi_insn { unsigned int insn; unsigned int n; - unsigned int *data; + unsigned int __user *data; unsigned int subdev; unsigned int chanspec; unsigned int unused[3]; @@ -336,7 +386,7 @@ struct comedi_insn { struct comedi_insnlist { unsigned int n_insns; - struct comedi_insn *insns; + struct comedi_insn __user *insns; }; struct comedi_cmd { @@ -361,21 +411,21 @@ struct comedi_cmd { unsigned int *chanlist; /* channel/range list */ unsigned int chanlist_len; - short *data; /* data list, size depends on subd flags */ + short __user *data; /* data list, size depends on subd flags */ unsigned int data_len; }; struct comedi_chaninfo { unsigned int subdev; - unsigned int *maxdata_list; - unsigned int *flaglist; - unsigned int *rangelist; + unsigned int __user *maxdata_list; + unsigned int __user *flaglist; + unsigned int __user *rangelist; unsigned int unused[4]; }; struct comedi_rangeinfo { unsigned int range_type; - void *range_ptr; + void __user *range_ptr; }; struct comedi_krange { @@ -384,7 +434,6 @@ struct comedi_krange { unsigned int flags; }; - struct comedi_subdinfo { unsigned int type; unsigned int n_chan; @@ -392,10 +441,11 @@ struct comedi_subdinfo { unsigned int timer_type; unsigned int len_chanlist; unsigned int maxdata; - unsigned int flags; /* channel flags */ + unsigned int flags; /* channel flags */ unsigned int range_type; /* lookup in kernel */ unsigned int settling_time_0; - unsigned insn_bits_support; /* see support_level enum for values*/ + /* see support_level enum for values */ + unsigned insn_bits_support; unsigned int unused[8]; }; @@ -458,8 +508,9 @@ struct comedi_bufinfo { /* only relevant to kernel modules. */ #define COMEDI_CB_EOS 1 /* end of scan */ -#define COMEDI_CB_EOA 2 /* end of acquisition */ -#define COMEDI_CB_BLOCK 4 /* DEPRECATED: convenient block size */ +#define COMEDI_CB_EOA 2 /* end of acquisition/output */ +#define COMEDI_CB_BLOCK 4 /* data has arrived: + * wakes up read() / write() */ #define COMEDI_CB_EOBUF 8 /* DEPRECATED: end of buffer */ #define COMEDI_CB_ERROR 16 /* card error during acquisition */ #define COMEDI_CB_OVERFLOW 32 /* buffer overflow/underflow */ @@ -493,8 +544,10 @@ enum i8254_mode { 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_MODE5 = (5 << 1), /* Hardware triggered strobe + * (retriggerable) */ + I8254_BCD = 1, /* use binary-coded decimal instead of binary + * (pretty useless) */ I8254_BINARY = 0 }; @@ -505,6 +558,7 @@ static inline unsigned NI_USUAL_PFI_SELECT(unsigned pfi_channel) else return 0xb + pfi_channel; } + static inline unsigned NI_USUAL_RTSI_SELECT(unsigned rtsi_channel) { if (rtsi_channel < 7) @@ -512,6 +566,7 @@ static inline unsigned NI_USUAL_RTSI_SELECT(unsigned 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 @@ -591,14 +646,17 @@ enum ni_gpct_clock_source_bits { 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 660x-specific */ + NI_GPCT_SOURCE_PIN_i_CLOCK_SRC_BITS = 0x6, 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 */ + /* divide source by 2 */ + NI_GPCT_PRESCALE_X2_CLOCK_SRC_BITS = 0x10000000, + /* divide source by 8 */ + NI_GPCT_PRESCALE_X8_CLOCK_SRC_BITS = 0x20000000, NI_GPCT_INVERT_CLOCK_SRC_BIT = 0x80000000 }; static inline unsigned NI_GPCT_SOURCE_PIN_CLOCK_SRC_BITS(unsigned n) @@ -636,7 +694,8 @@ enum ni_gpct_gate_select { 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. */ + * 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) @@ -677,14 +736,14 @@ static inline unsigned NI_GPCT_PFI_OTHER_SELECT(unsigned n) 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_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, }; @@ -736,8 +795,8 @@ enum ni_rtsi_routing { 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 */ + 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) { @@ -855,47 +914,66 @@ enum ni_freq_out_clock_source_bits { /* 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 */ - }; +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 */ + /* 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 * 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 +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, + /* 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 */ |