4 Header for ni_labpc.c and ni_labpc_cs.c
6 Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
22 #define EEPROM_SIZE 256 /* 256 byte eeprom */
23 #define NUM_AO_CHAN 2 /* boards have two analog output channels */
25 enum transfer_type { fifo_not_empty_transfer, fifo_half_full_transfer,
29 struct labpc_boardinfo {
31 int ai_speed; /* maximum input speed in ns */
32 unsigned ai_scan_up:1; /* can auto scan up in ai channels */
33 unsigned has_ao:1; /* has analog outputs */
34 unsigned is_labpc1200:1; /* has extra regs compared to pc+ */
37 struct labpc_private {
38 struct comedi_isadma *dma;
39 struct comedi_8254 *counter;
41 /* number of data points left to be taken */
42 unsigned long long count;
43 /* software copys of bits written to command registers */
50 /* store last read of board status registers */
54 /* we are using dma/fifo-half-full/etc. */
55 enum transfer_type current_transfer;
57 * function pointers so we can use inb/outb or readb/writeb as
60 unsigned int (*read_byte)(struct comedi_device *, unsigned long reg);
61 void (*write_byte)(struct comedi_device *,
62 unsigned int byte, unsigned long reg);
65 int labpc_common_attach(struct comedi_device *dev,
66 unsigned int irq, unsigned long isr_flags);
67 void labpc_common_detach(struct comedi_device *dev);
69 #endif /* _NI_LABPC_H */