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Linux/drivers/staging/comedi/drivers/ni_labpc_cs.c

  1 /*
  2     comedi/drivers/ni_labpc_cs.c
  3     Driver for National Instruments daqcard-1200 boards
  4     Copyright (C) 2001, 2002, 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
  5 
  6     PCMCIA crap is adapted from dummy_cs.c 1.31 2001/08/24 12:13:13
  7     from the pcmcia package.
  8     The initial developer of the pcmcia dummy_cs.c code is David A. Hinds
  9     <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
 10     are Copyright (C) 1999 David A. Hinds.
 11 
 12     This program is free software; you can redistribute it and/or modify
 13     it under the terms of the GNU General Public License as published by
 14     the Free Software Foundation; either version 2 of the License, or
 15     (at your option) any later version.
 16 
 17     This program is distributed in the hope that it will be useful,
 18     but WITHOUT ANY WARRANTY; without even the implied warranty of
 19     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20     GNU General Public License for more details.
 21 */
 22 /*
 23 Driver: ni_labpc_cs
 24 Description: National Instruments Lab-PC (& compatibles)
 25 Author: Frank Mori Hess <fmhess@users.sourceforge.net>
 26 Devices: [National Instruments] DAQCard-1200 (daqcard-1200)
 27 Status: works
 28 
 29 Thanks go to Fredrik Lingvall for much testing and perseverance in
 30 helping to debug daqcard-1200 support.
 31 
 32 The 1200 series boards have onboard calibration dacs for correcting
 33 analog input/output offsets and gains.  The proper settings for these
 34 caldacs are stored on the board's eeprom.  To read the caldac values
 35 from the eeprom and store them into a file that can be then be used by
 36 comedilib, use the comedi_calibrate program.
 37 
 38 Configuration options:
 39   none
 40 
 41 The daqcard-1200 has quirky chanlist requirements
 42 when scanning multiple channels.  Multiple channel scan
 43 sequence must start at highest channel, then decrement down to
 44 channel 0.  Chanlists consisting of all one channel
 45 are also legal, and allow you to pace conversions in bursts.
 46 
 47 */
 48 
 49 /*
 50 
 51 NI manuals:
 52 340988a (daqcard-1200)
 53 
 54 */
 55 
 56 #include <linux/module.h>
 57 #include "../comedidev.h"
 58 
 59 #include <linux/delay.h>
 60 
 61 #include "8253.h"
 62 #include "8255.h"
 63 #include "comedi_fc.h"
 64 #include "ni_labpc.h"
 65 
 66 #include <pcmcia/cistpl.h>
 67 #include <pcmcia/cisreg.h>
 68 #include <pcmcia/ds.h>
 69 
 70 static const struct labpc_boardinfo labpc_cs_boards[] = {
 71         {
 72                 .name                   = "daqcard-1200",
 73                 .ai_speed               = 10000,
 74                 .has_ao                 = 1,
 75                 .is_labpc1200           = 1,
 76         },
 77 };
 78 
 79 static int labpc_auto_attach(struct comedi_device *dev,
 80                              unsigned long context)
 81 {
 82         struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
 83         struct labpc_private *devpriv;
 84         int ret;
 85 
 86         /* The ni_labpc driver needs the board_ptr */
 87         dev->board_ptr = &labpc_cs_boards[0];
 88 
 89         link->config_flags |= CONF_AUTO_SET_IO |
 90                               CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ;
 91         ret = comedi_pcmcia_enable(dev, NULL);
 92         if (ret)
 93                 return ret;
 94         dev->iobase = link->resource[0]->start;
 95 
 96         if (!link->irq)
 97                 return -EINVAL;
 98 
 99         devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
100         if (!devpriv)
101                 return -ENOMEM;
102 
103         return labpc_common_attach(dev, link->irq, IRQF_SHARED);
104 }
105 
106 static struct comedi_driver driver_labpc_cs = {
107         .driver_name    = "ni_labpc_cs",
108         .module         = THIS_MODULE,
109         .auto_attach    = labpc_auto_attach,
110         .detach         = comedi_pcmcia_disable,
111 };
112 
113 static int labpc_cs_attach(struct pcmcia_device *link)
114 {
115         return comedi_pcmcia_auto_config(link, &driver_labpc_cs);
116 }
117 
118 static const struct pcmcia_device_id labpc_cs_ids[] = {
119         PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0103),        /* daqcard-1200 */
120         PCMCIA_DEVICE_NULL
121 };
122 MODULE_DEVICE_TABLE(pcmcia, labpc_cs_ids);
123 
124 static struct pcmcia_driver labpc_cs_driver = {
125         .name           = "daqcard-1200",
126         .owner          = THIS_MODULE,
127         .id_table       = labpc_cs_ids,
128         .probe          = labpc_cs_attach,
129         .remove         = comedi_pcmcia_auto_unconfig,
130 };
131 module_comedi_pcmcia_driver(driver_labpc_cs, labpc_cs_driver);
132 
133 MODULE_DESCRIPTION("Comedi driver for National Instruments Lab-PC");
134 MODULE_AUTHOR("Frank Mori Hess <fmhess@users.sourceforge.net>");
135 MODULE_LICENSE("GPL");
136 

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