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