| /* |
| drivers/ni_tio.h |
| Header file for NI general purpose counter support code (ni_tio.c) |
| |
| COMEDI - Linux Control and Measurement Device Interface |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| 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. |
| */ |
| |
| #ifndef _COMEDI_NI_TIO_H |
| #define _COMEDI_NI_TIO_H |
| |
| #include "../comedidev.h" |
| |
| /* forward declarations */ |
| struct mite_struct; |
| struct ni_gpct_device; |
| |
| enum ni_gpct_register { |
| NITIO_G0_AUTO_INC, |
| NITIO_G1_AUTO_INC, |
| NITIO_G2_AUTO_INC, |
| NITIO_G3_AUTO_INC, |
| NITIO_G0_CMD, |
| NITIO_G1_CMD, |
| NITIO_G2_CMD, |
| NITIO_G3_CMD, |
| NITIO_G0_HW_SAVE, |
| NITIO_G1_HW_SAVE, |
| NITIO_G2_HW_SAVE, |
| NITIO_G3_HW_SAVE, |
| NITIO_G0_SW_SAVE, |
| NITIO_G1_SW_SAVE, |
| NITIO_G2_SW_SAVE, |
| NITIO_G3_SW_SAVE, |
| NITIO_G0_MODE, |
| NITIO_G1_MODE, |
| NITIO_G2_MODE, |
| NITIO_G3_MODE, |
| NITIO_G0_LOADA, |
| NITIO_G1_LOADA, |
| NITIO_G2_LOADA, |
| NITIO_G3_LOADA, |
| NITIO_G0_LOADB, |
| NITIO_G1_LOADB, |
| NITIO_G2_LOADB, |
| NITIO_G3_LOADB, |
| NITIO_G0_INPUT_SEL, |
| NITIO_G1_INPUT_SEL, |
| NITIO_G2_INPUT_SEL, |
| NITIO_G3_INPUT_SEL, |
| NITIO_G0_CNT_MODE, |
| NITIO_G1_CNT_MODE, |
| NITIO_G2_CNT_MODE, |
| NITIO_G3_CNT_MODE, |
| NITIO_G0_GATE2, |
| NITIO_G1_GATE2, |
| NITIO_G2_GATE2, |
| NITIO_G3_GATE2, |
| NITIO_G01_STATUS, |
| NITIO_G23_STATUS, |
| NITIO_G01_RESET, |
| NITIO_G23_RESET, |
| NITIO_G01_STATUS1, |
| NITIO_G23_STATUS1, |
| NITIO_G01_STATUS2, |
| NITIO_G23_STATUS2, |
| NITIO_G0_DMA_CFG, |
| NITIO_G1_DMA_CFG, |
| NITIO_G2_DMA_CFG, |
| NITIO_G3_DMA_CFG, |
| NITIO_G0_DMA_STATUS, |
| NITIO_G1_DMA_STATUS, |
| NITIO_G2_DMA_STATUS, |
| NITIO_G3_DMA_STATUS, |
| NITIO_G0_ABZ, |
| NITIO_G1_ABZ, |
| NITIO_G0_INT_ACK, |
| NITIO_G1_INT_ACK, |
| NITIO_G2_INT_ACK, |
| NITIO_G3_INT_ACK, |
| NITIO_G0_STATUS, |
| NITIO_G1_STATUS, |
| NITIO_G2_STATUS, |
| NITIO_G3_STATUS, |
| NITIO_G0_INT_ENA, |
| NITIO_G1_INT_ENA, |
| NITIO_G2_INT_ENA, |
| NITIO_G3_INT_ENA, |
| NITIO_NUM_REGS, |
| }; |
| |
| enum ni_gpct_variant { |
| ni_gpct_variant_e_series, |
| ni_gpct_variant_m_series, |
| ni_gpct_variant_660x |
| }; |
| |
| struct ni_gpct { |
| struct ni_gpct_device *counter_dev; |
| unsigned counter_index; |
| unsigned chip_index; |
| uint64_t clock_period_ps; /* clock period in picoseconds */ |
| struct mite_channel *mite_chan; |
| spinlock_t lock; |
| }; |
| |
| struct ni_gpct_device { |
| struct comedi_device *dev; |
| void (*write_register)(struct ni_gpct *counter, unsigned bits, |
| enum ni_gpct_register reg); |
| unsigned (*read_register)(struct ni_gpct *counter, |
| enum ni_gpct_register reg); |
| enum ni_gpct_variant variant; |
| struct ni_gpct *counters; |
| unsigned num_counters; |
| unsigned regs[NITIO_NUM_REGS]; |
| spinlock_t regs_lock; |
| }; |
| |
| struct ni_gpct_device * |
| ni_gpct_device_construct(struct comedi_device *, |
| void (*write_register)(struct ni_gpct *, |
| unsigned bits, |
| enum ni_gpct_register), |
| unsigned (*read_register)(struct ni_gpct *, |
| enum ni_gpct_register), |
| enum ni_gpct_variant, |
| unsigned num_counters); |
| void ni_gpct_device_destroy(struct ni_gpct_device *); |
| void ni_tio_init_counter(struct ni_gpct *); |
| int ni_tio_insn_read(struct comedi_device *, struct comedi_subdevice *, |
| struct comedi_insn *, unsigned int *data); |
| int ni_tio_insn_config(struct comedi_device *, struct comedi_subdevice *, |
| struct comedi_insn *, unsigned int *data); |
| int ni_tio_insn_write(struct comedi_device *, struct comedi_subdevice *, |
| struct comedi_insn *, unsigned int *data); |
| int ni_tio_cmd(struct comedi_device *, struct comedi_subdevice *); |
| int ni_tio_cmdtest(struct comedi_device *, struct comedi_subdevice *, |
| struct comedi_cmd *); |
| int ni_tio_cancel(struct ni_gpct *); |
| void ni_tio_handle_interrupt(struct ni_gpct *, struct comedi_subdevice *); |
| void ni_tio_set_mite_channel(struct ni_gpct *, struct mite_channel *); |
| void ni_tio_acknowledge(struct ni_gpct *); |
| |
| #endif /* _COMEDI_NI_TIO_H */ |