/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Header for ni_labpc ISA/PCMCIA/PCI drivers
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*
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* Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
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*/
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#ifndef _NI_LABPC_H
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#define _NI_LABPC_H
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enum transfer_type { fifo_not_empty_transfer, fifo_half_full_transfer,
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isa_dma_transfer
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};
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struct labpc_boardinfo {
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const char *name;
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int ai_speed; /* maximum input speed in ns */
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unsigned ai_scan_up:1; /* can auto scan up in ai channels */
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unsigned has_ao:1; /* has analog outputs */
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unsigned is_labpc1200:1; /* has extra regs compared to pc+ */
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};
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struct labpc_private {
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struct comedi_isadma *dma;
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struct comedi_8254 *counter;
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/* number of data points left to be taken */
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unsigned long long count;
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/* software copys of bits written to command registers */
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unsigned int cmd1;
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unsigned int cmd2;
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unsigned int cmd3;
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unsigned int cmd4;
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unsigned int cmd5;
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unsigned int cmd6;
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/* store last read of board status registers */
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unsigned int stat1;
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unsigned int stat2;
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/* we are using dma/fifo-half-full/etc. */
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enum transfer_type current_transfer;
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/*
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* function pointers so we can use inb/outb or readb/writeb as
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* appropriate
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*/
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unsigned int (*read_byte)(struct comedi_device *dev, unsigned long reg);
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void (*write_byte)(struct comedi_device *dev,
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unsigned int byte, unsigned long reg);
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};
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int labpc_common_attach(struct comedi_device *dev,
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unsigned int irq, unsigned long isr_flags);
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void labpc_common_detach(struct comedi_device *dev);
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#endif /* _NI_LABPC_H */
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