2 comedi/drivers/adl_pci6208.c
4 Hardware driver for ADLink 6208 series cards:
5 card | voltage output | current output
6 -------------+-------------------+---------------
7 PCI-6208V | 8 channels | -
8 PCI-6216V | 16 channels | -
9 PCI-6208A | 8 channels | 8 channels
11 COMEDI - Linux Control and Measurement Device Interface
12 Copyright (C) 2000 David A. Schleef <ds@schleef.org>
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 2 of the License, or
17 (at your option) any later version.
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
24 You should have received a copy of the GNU General Public License
25 along with this program; if not, write to the Free Software
26 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 Description: ADLink PCI-6208A
31 Devices: [ADLink] PCI-6208A (adl_pci6208)
32 Author: nsyeow <nsyeow@pd.jaring.my>
33 Updated: Fri, 30 Jan 2004 14:44:27 +0800
36 Configuration Options:
41 - adl_pci9111.c copied the entire pci setup section
45 #include "../comedidev.h"
48 * PCI-6208/6216-GL register map
50 #define PCI6208_AO_CONTROL(x) (0x00 + (2 * (x)))
51 #define PCI6208_AO_STATUS 0x00
52 #define PCI6208_AO_STATUS_DATA_SEND (1 << 0)
53 #define PCI6208_DIO 0x40
54 #define PCI6208_DIO_DO_MASK (0x0f)
55 #define PCI6208_DIO_DO_SHIFT (0)
56 #define PCI6208_DIO_DI_MASK (0xf0)
57 #define PCI6208_DIO_DI_SHIFT (4)
59 #define PCI6208_MAX_AO_CHANNELS 8
61 struct pci6208_board
{
63 unsigned short dev_id
;
67 static const struct pci6208_board pci6208_boards
[] = {
75 struct pci6208_private
{
76 unsigned int ao_readback
[PCI6208_MAX_AO_CHANNELS
];
79 static int pci6208_ao_winsn(struct comedi_device
*dev
,
80 struct comedi_subdevice
*s
,
81 struct comedi_insn
*insn
, unsigned int *data
)
83 struct pci6208_private
*devpriv
= dev
->private;
84 int chan
= CR_CHAN(insn
->chanspec
);
85 unsigned long invert
= 1 << (16 - 1);
86 unsigned long value
= 0;
87 unsigned short status
;
90 for (i
= 0; i
< insn
->n
; i
++) {
91 value
= data
[i
] ^ invert
;
94 status
= inw(dev
->iobase
+ PCI6208_AO_STATUS
);
95 } while (status
& PCI6208_AO_STATUS_DATA_SEND
);
97 outw(value
, dev
->iobase
+ PCI6208_AO_CONTROL(chan
));
99 devpriv
->ao_readback
[chan
] = value
;
104 static int pci6208_ao_rinsn(struct comedi_device
*dev
,
105 struct comedi_subdevice
*s
,
106 struct comedi_insn
*insn
, unsigned int *data
)
108 struct pci6208_private
*devpriv
= dev
->private;
109 int chan
= CR_CHAN(insn
->chanspec
);
112 for (i
= 0; i
< insn
->n
; i
++)
113 data
[i
] = devpriv
->ao_readback
[chan
];
118 static int pci6208_dio_insn_bits(struct comedi_device
*dev
,
119 struct comedi_subdevice
*s
,
120 struct comedi_insn
*insn
,
123 unsigned int mask
= data
[0] & PCI6208_DIO_DO_MASK
;
124 unsigned int bits
= data
[1];
128 s
->state
|= bits
& mask
;
130 outw(s
->state
, dev
->iobase
+ PCI6208_DIO
);
133 s
->state
= inw(dev
->iobase
+ PCI6208_DIO
);
139 static int pci6208_dio_insn_config(struct comedi_device
*dev
,
140 struct comedi_subdevice
*s
,
141 struct comedi_insn
*insn
,
144 int chan
= CR_CHAN(insn
->chanspec
);
145 unsigned int mask
= 1 << chan
;
148 case INSN_CONFIG_DIO_QUERY
:
149 data
[1] = (s
->io_bits
& mask
) ? COMEDI_OUTPUT
: COMEDI_INPUT
;
158 static struct pci_dev
*pci6208_find_device(struct comedi_device
*dev
,
159 struct comedi_devconfig
*it
)
161 const struct pci6208_board
*thisboard
;
162 struct pci_dev
*pci_dev
= NULL
;
163 int bus
= it
->options
[0];
164 int slot
= it
->options
[1];
167 for_each_pci_dev(pci_dev
) {
168 if (pci_dev
->vendor
!= PCI_VENDOR_ID_ADLINK
)
170 for (i
= 0; i
< ARRAY_SIZE(pci6208_boards
); i
++) {
171 thisboard
= &pci6208_boards
[i
];
172 if (thisboard
->dev_id
!= pci_dev
->device
)
174 /* was a particular bus/slot requested? */
176 /* are we on the wrong bus/slot? */
177 if (pci_dev
->bus
->number
!= bus
||
178 PCI_SLOT(pci_dev
->devfn
) != slot
)
181 dev_dbg(dev
->class_dev
,
182 "Found %s on bus %d, slot, %d, irq=%d\n",
184 pci_dev
->bus
->number
,
185 PCI_SLOT(pci_dev
->devfn
),
187 dev
->board_ptr
= thisboard
;
191 dev_err(dev
->class_dev
,
192 "No supported board found! (req. bus %d, slot %d)\n",
197 static int pci6208_attach(struct comedi_device
*dev
,
198 struct comedi_devconfig
*it
)
200 const struct pci6208_board
*thisboard
;
201 struct pci6208_private
*devpriv
;
202 struct pci_dev
*pcidev
;
203 struct comedi_subdevice
*s
;
206 ret
= alloc_private(dev
, sizeof(*devpriv
));
209 devpriv
= dev
->private;
211 pcidev
= pci6208_find_device(dev
, it
);
214 comedi_set_hw_dev(dev
, &pcidev
->dev
);
215 thisboard
= comedi_board(dev
);
217 dev
->board_name
= thisboard
->name
;
219 ret
= comedi_pci_enable(pcidev
, dev
->driver
->driver_name
);
221 dev_err(dev
->class_dev
,
222 "Failed to enable PCI device and request regions\n");
225 dev
->iobase
= pci_resource_start(pcidev
, 2);
227 ret
= comedi_alloc_subdevices(dev
, 2);
231 s
= dev
->subdevices
+ 0;
232 /* analog output subdevice */
233 s
->type
= COMEDI_SUBD_AO
;
234 s
->subdev_flags
= SDF_WRITABLE
;
235 s
->n_chan
= thisboard
->ao_chans
;
237 s
->range_table
= &range_bipolar10
;
238 s
->insn_write
= pci6208_ao_winsn
;
239 s
->insn_read
= pci6208_ao_rinsn
;
241 s
= dev
->subdevices
+ 1;
242 /* digital i/o subdevice */
243 s
->type
= COMEDI_SUBD_DIO
;
244 s
->subdev_flags
= SDF_READABLE
| SDF_WRITABLE
;
247 s
->range_table
= &range_digital
;
248 s
->insn_bits
= pci6208_dio_insn_bits
;
249 s
->insn_config
= pci6208_dio_insn_config
;
252 s
->state
= inw(dev
->iobase
+ PCI6208_DIO
);
254 dev_info(dev
->class_dev
, "%s: %s, I/O base=0x%04lx\n",
255 dev
->driver
->driver_name
, dev
->board_name
, dev
->iobase
);
260 static void pci6208_detach(struct comedi_device
*dev
)
262 struct pci_dev
*pcidev
= comedi_to_pci_dev(dev
);
266 comedi_pci_disable(pcidev
);
271 static struct comedi_driver adl_pci6208_driver
= {
272 .driver_name
= "adl_pci6208",
273 .module
= THIS_MODULE
,
274 .attach
= pci6208_attach
,
275 .detach
= pci6208_detach
,
278 static int __devinit
adl_pci6208_pci_probe(struct pci_dev
*dev
,
279 const struct pci_device_id
*ent
)
281 return comedi_pci_auto_config(dev
, &adl_pci6208_driver
);
284 static void __devexit
adl_pci6208_pci_remove(struct pci_dev
*dev
)
286 comedi_pci_auto_unconfig(dev
);
289 static DEFINE_PCI_DEVICE_TABLE(adl_pci6208_pci_table
) = {
290 { PCI_DEVICE(PCI_VENDOR_ID_ADLINK
, 0x6208) },
293 MODULE_DEVICE_TABLE(pci
, adl_pci6208_pci_table
);
295 static struct pci_driver adl_pci6208_pci_driver
= {
296 .name
= "adl_pci6208",
297 .id_table
= adl_pci6208_pci_table
,
298 .probe
= adl_pci6208_pci_probe
,
299 .remove
= __devexit_p(adl_pci6208_pci_remove
),
301 module_comedi_pci_driver(adl_pci6208_driver
, adl_pci6208_pci_driver
);
303 MODULE_AUTHOR("Comedi http://www.comedi.org");
304 MODULE_DESCRIPTION("Comedi low-level driver");
305 MODULE_LICENSE("GPL");