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Commit | Line | Data |
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3c5e1722 BJ |
1 | /* |
2 | comedi/drivers/ni_670x.c | |
3 | Hardware driver for NI 670x devices | |
4 | ||
5 | COMEDI - Linux Control and Measurement Device Interface | |
6 | Copyright (C) 1997-2001 David A. Schleef <ds@schleef.org> | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | ||
22 | */ | |
23 | /* | |
24 | Driver: ni_670x | |
25 | Description: National Instruments 670x | |
26 | Author: Bart Joris <bjoris@advalvas.be> | |
27 | Updated: Wed, 11 Dec 2002 18:25:35 -0800 | |
28 | Devices: [National Instruments] PCI-6703 (ni_670x), PCI-6704 | |
29 | Status: unknown | |
30 | ||
31 | Commands are not supported. | |
32 | */ | |
33 | ||
34 | /* | |
35 | Bart Joris <bjoris@advalvas.be> Last updated on 20/08/2001 | |
36 | ||
37 | Manuals: | |
38 | ||
39 | 322110a.pdf PCI/PXI-6704 User Manual | |
40 | 322110b.pdf PCI/PXI-6703/6704 User Manual | |
41 | ||
42 | */ | |
43 | ||
25436dc9 | 44 | #include <linux/interrupt.h> |
5a0e3ad6 | 45 | #include <linux/slab.h> |
3c5e1722 BJ |
46 | #include "../comedidev.h" |
47 | ||
48 | #include "mite.h" | |
49 | ||
50 | #define PCI_VENDOR_ID_NATINST 0x1093 | |
51 | ||
52 | #define AO_VALUE_OFFSET 0x00 | |
53 | #define AO_CHAN_OFFSET 0x0c | |
54 | #define AO_STATUS_OFFSET 0x10 | |
55 | #define AO_CONTROL_OFFSET 0x10 | |
56 | #define DIO_PORT0_DIR_OFFSET 0x20 | |
57 | #define DIO_PORT0_DATA_OFFSET 0x24 | |
58 | #define DIO_PORT1_DIR_OFFSET 0x28 | |
59 | #define DIO_PORT1_DATA_OFFSET 0x2c | |
60 | #define MISC_STATUS_OFFSET 0x14 | |
61 | #define MISC_CONTROL_OFFSET 0x14 | |
62 | ||
63 | /* Board description*/ | |
64 | ||
43313b07 | 65 | struct ni_670x_board { |
3c5e1722 BJ |
66 | unsigned short dev_id; |
67 | const char *name; | |
68 | unsigned short ao_chans; | |
69 | unsigned short ao_bits; | |
43313b07 BP |
70 | }; |
71 | ||
72 | static const struct ni_670x_board ni_670x_boards[] = { | |
3c5e1722 | 73 | { |
0a85b6f0 MT |
74 | .dev_id = 0x2c90, |
75 | .name = "PCI-6703", | |
76 | .ao_chans = 16, | |
77 | .ao_bits = 16, | |
78 | }, | |
3c5e1722 | 79 | { |
0a85b6f0 MT |
80 | .dev_id = 0x1920, |
81 | .name = "PXI-6704", | |
82 | .ao_chans = 32, | |
83 | .ao_bits = 16, | |
84 | }, | |
3c5e1722 | 85 | { |
0a85b6f0 MT |
86 | .dev_id = 0x1290, |
87 | .name = "PCI-6704", | |
88 | .ao_chans = 32, | |
89 | .ao_bits = 16, | |
90 | }, | |
3c5e1722 BJ |
91 | }; |
92 | ||
93 | static DEFINE_PCI_DEVICE_TABLE(ni_670x_pci_table) = { | |
0a85b6f0 MT |
94 | { |
95 | PCI_VENDOR_ID_NATINST, 0x2c90, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { | |
96 | PCI_VENDOR_ID_NATINST, 0x1920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
c733110a | 97 | /*{ PCI_VENDOR_ID_NATINST, 0x0000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },*/ |
0a85b6f0 MT |
98 | { |
99 | 0} | |
3c5e1722 BJ |
100 | }; |
101 | ||
102 | MODULE_DEVICE_TABLE(pci, ni_670x_pci_table); | |
103 | ||
43313b07 | 104 | #define thisboard ((struct ni_670x_board *)dev->board_ptr) |
3c5e1722 | 105 | |
8ce8a1ff BP |
106 | struct ni_670x_private { |
107 | ||
3c5e1722 BJ |
108 | struct mite_struct *mite; |
109 | int boardtype; | |
110 | int dio; | |
790c5541 | 111 | unsigned int ao_readback[32]; |
8ce8a1ff BP |
112 | }; |
113 | ||
8ce8a1ff | 114 | #define devpriv ((struct ni_670x_private *)dev->private) |
b6ac1613 | 115 | #define n_ni_670x_boards ARRAY_SIZE(ni_670x_boards) |
3c5e1722 | 116 | |
0a85b6f0 MT |
117 | static int ni_670x_attach(struct comedi_device *dev, |
118 | struct comedi_devconfig *it); | |
da91b269 | 119 | static int ni_670x_detach(struct comedi_device *dev); |
3c5e1722 | 120 | |
139dfbdf | 121 | static struct comedi_driver driver_ni_670x = { |
68c3dbff BP |
122 | .driver_name = "ni_670x", |
123 | .module = THIS_MODULE, | |
124 | .attach = ni_670x_attach, | |
125 | .detach = ni_670x_detach, | |
3c5e1722 BJ |
126 | }; |
127 | ||
128 | COMEDI_PCI_INITCLEANUP(driver_ni_670x, ni_670x_pci_table); | |
129 | ||
9ced1de6 | 130 | static struct comedi_lrange range_0_20mA = { 1, {RANGE_mA(0, 20)} }; |
3c5e1722 | 131 | |
da91b269 | 132 | static int ni_670x_find_device(struct comedi_device *dev, int bus, int slot); |
3c5e1722 | 133 | |
0a85b6f0 MT |
134 | static int ni_670x_ao_winsn(struct comedi_device *dev, |
135 | struct comedi_subdevice *s, | |
136 | struct comedi_insn *insn, unsigned int *data); | |
137 | static int ni_670x_ao_rinsn(struct comedi_device *dev, | |
138 | struct comedi_subdevice *s, | |
139 | struct comedi_insn *insn, unsigned int *data); | |
140 | static int ni_670x_dio_insn_bits(struct comedi_device *dev, | |
141 | struct comedi_subdevice *s, | |
142 | struct comedi_insn *insn, unsigned int *data); | |
143 | static int ni_670x_dio_insn_config(struct comedi_device *dev, | |
144 | struct comedi_subdevice *s, | |
145 | struct comedi_insn *insn, | |
146 | unsigned int *data); | |
147 | ||
148 | static int ni_670x_attach(struct comedi_device *dev, | |
149 | struct comedi_devconfig *it) | |
3c5e1722 | 150 | { |
34c43922 | 151 | struct comedi_subdevice *s; |
3c5e1722 BJ |
152 | int ret; |
153 | int i; | |
154 | ||
c733110a | 155 | printk(KERN_INFO "comedi%d: ni_670x: ", dev->minor); |
3c5e1722 | 156 | |
c3744138 BP |
157 | ret = alloc_private(dev, sizeof(struct ni_670x_private)); |
158 | if (ret < 0) | |
3c5e1722 BJ |
159 | return ret; |
160 | ||
161 | ret = ni_670x_find_device(dev, it->options[0], it->options[1]); | |
162 | if (ret < 0) | |
163 | return ret; | |
164 | ||
165 | ret = mite_setup(devpriv->mite); | |
166 | if (ret < 0) { | |
c733110a | 167 | printk(KERN_WARNING "error setting up mite\n"); |
3c5e1722 BJ |
168 | return ret; |
169 | } | |
170 | dev->board_name = thisboard->name; | |
171 | dev->irq = mite_irq(devpriv->mite); | |
c733110a | 172 | printk(KERN_INFO " %s", dev->board_name); |
3c5e1722 BJ |
173 | |
174 | if (alloc_subdevices(dev, 2) < 0) | |
175 | return -ENOMEM; | |
176 | ||
177 | s = dev->subdevices + 0; | |
178 | /* analog output subdevice */ | |
179 | s->type = COMEDI_SUBD_AO; | |
180 | s->subdev_flags = SDF_WRITABLE; | |
181 | s->n_chan = thisboard->ao_chans; | |
182 | s->maxdata = 0xffff; | |
183 | if (s->n_chan == 32) { | |
9ced1de6 | 184 | const struct comedi_lrange **range_table_list; |
3c5e1722 | 185 | |
9ced1de6 | 186 | range_table_list = kmalloc(sizeof(struct comedi_lrange *) * 32, |
0a85b6f0 | 187 | GFP_KERNEL); |
3c5e1722 BJ |
188 | if (!range_table_list) |
189 | return -ENOMEM; | |
190 | s->range_table_list = range_table_list; | |
191 | for (i = 0; i < 16; i++) { | |
192 | range_table_list[i] = &range_bipolar10; | |
193 | range_table_list[16 + i] = &range_0_20mA; | |
194 | } | |
195 | } else { | |
196 | s->range_table = &range_bipolar10; | |
197 | } | |
198 | s->insn_write = &ni_670x_ao_winsn; | |
199 | s->insn_read = &ni_670x_ao_rinsn; | |
200 | ||
201 | s = dev->subdevices + 1; | |
202 | /* digital i/o subdevice */ | |
203 | s->type = COMEDI_SUBD_DIO; | |
204 | s->subdev_flags = SDF_READABLE | SDF_WRITABLE; | |
205 | s->n_chan = 8; | |
206 | s->maxdata = 1; | |
207 | s->range_table = &range_digital; | |
208 | s->insn_bits = ni_670x_dio_insn_bits; | |
209 | s->insn_config = ni_670x_dio_insn_config; | |
210 | ||
c733110a BA |
211 | /* Config of misc registers */ |
212 | writel(0x10, devpriv->mite->daq_io_addr + MISC_CONTROL_OFFSET); | |
213 | /* Config of ao registers */ | |
214 | writel(0x00, devpriv->mite->daq_io_addr + AO_CONTROL_OFFSET); | |
3c5e1722 | 215 | |
c733110a | 216 | printk(KERN_INFO "attached\n"); |
3c5e1722 BJ |
217 | |
218 | return 1; | |
219 | } | |
220 | ||
da91b269 | 221 | static int ni_670x_detach(struct comedi_device *dev) |
3c5e1722 | 222 | { |
c733110a BA |
223 | printk(KERN_INFO "comedi%d: ni_670x: remove\n", dev->minor); |
224 | ||
225 | kfree(dev->subdevices[0].range_table_list); | |
3c5e1722 | 226 | |
3c5e1722 BJ |
227 | if (dev->private && devpriv->mite) |
228 | mite_unsetup(devpriv->mite); | |
229 | ||
230 | if (dev->irq) | |
5f74ea14 | 231 | free_irq(dev->irq, dev); |
3c5e1722 BJ |
232 | |
233 | return 0; | |
234 | } | |
235 | ||
0a85b6f0 MT |
236 | static int ni_670x_ao_winsn(struct comedi_device *dev, |
237 | struct comedi_subdevice *s, | |
238 | struct comedi_insn *insn, unsigned int *data) | |
3c5e1722 BJ |
239 | { |
240 | int i; | |
241 | int chan = CR_CHAN(insn->chanspec); | |
242 | ||
243 | /* Channel number mapping : | |
244 | ||
245 | NI 6703/ NI 6704 | NI 6704 Only | |
246 | ---------------------------------------------------- | |
247 | vch(0) : 0 | ich(16) : 1 | |
248 | vch(1) : 2 | ich(17) : 3 | |
249 | . : . | . . | |
250 | . : . | . . | |
251 | . : . | . . | |
252 | vch(15) : 30 | ich(31) : 31 */ | |
253 | ||
254 | for (i = 0; i < insn->n; i++) { | |
c733110a BA |
255 | /* First write in channel register which channel to use */ |
256 | writel(((chan & 15) << 1) | ((chan & 16) >> 4), | |
257 | devpriv->mite->daq_io_addr + AO_CHAN_OFFSET); | |
258 | /* write channel value */ | |
259 | writel(data[i], devpriv->mite->daq_io_addr + AO_VALUE_OFFSET); | |
3c5e1722 BJ |
260 | devpriv->ao_readback[chan] = data[i]; |
261 | } | |
262 | ||
263 | return i; | |
264 | } | |
265 | ||
0a85b6f0 MT |
266 | static int ni_670x_ao_rinsn(struct comedi_device *dev, |
267 | struct comedi_subdevice *s, | |
268 | struct comedi_insn *insn, unsigned int *data) | |
3c5e1722 BJ |
269 | { |
270 | int i; | |
271 | int chan = CR_CHAN(insn->chanspec); | |
272 | ||
273 | for (i = 0; i < insn->n; i++) | |
274 | data[i] = devpriv->ao_readback[chan]; | |
275 | ||
276 | return i; | |
277 | } | |
278 | ||
0a85b6f0 MT |
279 | static int ni_670x_dio_insn_bits(struct comedi_device *dev, |
280 | struct comedi_subdevice *s, | |
281 | struct comedi_insn *insn, unsigned int *data) | |
3c5e1722 BJ |
282 | { |
283 | if (insn->n != 2) | |
284 | return -EINVAL; | |
285 | ||
286 | /* The insn data is a mask in data[0] and the new data | |
287 | * in data[1], each channel cooresponding to a bit. */ | |
288 | if (data[0]) { | |
289 | s->state &= ~data[0]; | |
290 | s->state |= data[0] & data[1]; | |
291 | writel(s->state, | |
0a85b6f0 | 292 | devpriv->mite->daq_io_addr + DIO_PORT0_DATA_OFFSET); |
3c5e1722 BJ |
293 | } |
294 | ||
295 | /* on return, data[1] contains the value of the digital | |
296 | * input lines. */ | |
297 | data[1] = readl(devpriv->mite->daq_io_addr + DIO_PORT0_DATA_OFFSET); | |
298 | ||
299 | return 2; | |
300 | } | |
301 | ||
0a85b6f0 MT |
302 | static int ni_670x_dio_insn_config(struct comedi_device *dev, |
303 | struct comedi_subdevice *s, | |
304 | struct comedi_insn *insn, unsigned int *data) | |
3c5e1722 BJ |
305 | { |
306 | int chan = CR_CHAN(insn->chanspec); | |
307 | ||
308 | switch (data[0]) { | |
309 | case INSN_CONFIG_DIO_OUTPUT: | |
310 | s->io_bits |= 1 << chan; | |
311 | break; | |
312 | case INSN_CONFIG_DIO_INPUT: | |
313 | s->io_bits &= ~(1 << chan); | |
314 | break; | |
315 | case INSN_CONFIG_DIO_QUERY: | |
316 | data[1] = | |
0a85b6f0 | 317 | (s->io_bits & (1 << chan)) ? COMEDI_OUTPUT : COMEDI_INPUT; |
3c5e1722 BJ |
318 | return insn->n; |
319 | break; | |
320 | default: | |
321 | return -EINVAL; | |
322 | break; | |
323 | } | |
324 | writel(s->io_bits, devpriv->mite->daq_io_addr + DIO_PORT0_DIR_OFFSET); | |
325 | ||
326 | return insn->n; | |
327 | } | |
328 | ||
da91b269 | 329 | static int ni_670x_find_device(struct comedi_device *dev, int bus, int slot) |
3c5e1722 BJ |
330 | { |
331 | struct mite_struct *mite; | |
332 | int i; | |
333 | ||
334 | for (mite = mite_devices; mite; mite = mite->next) { | |
335 | if (mite->used) | |
336 | continue; | |
337 | if (bus || slot) { | |
338 | if (bus != mite->pcidev->bus->number | |
0a85b6f0 | 339 | || slot != PCI_SLOT(mite->pcidev->devfn)) |
3c5e1722 BJ |
340 | continue; |
341 | } | |
342 | ||
343 | for (i = 0; i < n_ni_670x_boards; i++) { | |
344 | if (mite_device_id(mite) == ni_670x_boards[i].dev_id) { | |
345 | dev->board_ptr = ni_670x_boards + i; | |
346 | devpriv->mite = mite; | |
347 | ||
348 | return 0; | |
349 | } | |
350 | } | |
351 | } | |
c733110a | 352 | printk(KERN_INFO "no device found\n"); |
3c5e1722 BJ |
353 | mite_list_devices(); |
354 | return -EIO; | |
355 | } |