Commit | Line | Data |
---|---|---|
0882eaa6 | 1 | /* |
b4ae23ce GS |
2 | * comedi/drivers/das08.c |
3 | * DAS08 driver | |
4 | * | |
5 | * COMEDI - Linux Control and Measurement Device Interface | |
6 | * Copyright (C) 2000 David A. Schleef <ds@schleef.org> | |
7 | * Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net> | |
8 | * Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | * | |
24 | ***************************************************************** | |
25 | */ | |
0882eaa6 | 26 | |
0882eaa6 | 27 | /* |
b4ae23ce GS |
28 | * Driver: das08 |
29 | * Description: DAS-08 compatible boards | |
30 | * Author: Warren Jasper, ds, Frank Hess | |
31 | * Devices: [Keithley Metrabyte] DAS08 (isa-das08), | |
389cd417 IA |
32 | * [ComputerBoards] DAS08 (isa-das08), DAS08-PGM (das08-pgm), |
33 | * DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh), | |
34 | * DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao), | |
b1128a6b | 35 | * DAS08/JR-16-AO (das08jr-16-ao), PCI-DAS08 (pci-das08), |
389cd417 | 36 | * PC104-DAS08 (pc104-das08), DAS08/JR/16 (das08jr/16) |
b1128a6b | 37 | * Updated: Fri, 31 Aug 2012 19:19:06 +0100 |
b4ae23ce GS |
38 | * Status: works |
39 | * | |
40 | * This is a rewrite of the das08 and das08jr drivers. | |
41 | * | |
42 | * Options (for ISA cards): | |
43 | * [0] - base io address | |
44 | * | |
b1128a6b IA |
45 | * Manual configuration of PCI cards is not supported; they are |
46 | * configured automatically. | |
b4ae23ce GS |
47 | * |
48 | * The das08 driver doesn't support asynchronous commands, since | |
49 | * the cheap das08 hardware doesn't really support them. The | |
50 | * comedi_rt_timer driver can be used to emulate commands for this | |
51 | * driver. | |
52 | */ | |
0882eaa6 DS |
53 | |
54 | #include "../comedidev.h" | |
55 | ||
56 | #include <linux/delay.h> | |
57 | ||
0882eaa6 | 58 | #include "8255.h" |
c952e019 | 59 | #include "8253.h" |
0882eaa6 DS |
60 | #include "das08.h" |
61 | ||
62 | #define DRV_NAME "das08" | |
63 | ||
c50141bf IA |
64 | #define DO_ISA IS_ENABLED(CONFIG_COMEDI_DAS08_ISA) |
65 | #define DO_PCI IS_ENABLED(CONFIG_COMEDI_DAS08_PCI) | |
66 | #define DO_COMEDI_DRIVER_REGISTER (DO_ISA || DO_PCI) | |
2e3c024d | 67 | |
0882eaa6 DS |
68 | #define PCI_VENDOR_ID_COMPUTERBOARDS 0x1307 |
69 | #define PCI_DEVICE_ID_PCIDAS08 0x29 | |
70 | #define PCIDAS08_SIZE 0x54 | |
71 | ||
2696fb57 | 72 | /* pci configuration registers */ |
0882eaa6 DS |
73 | #define INTCSR 0x4c |
74 | #define INTR1_ENABLE 0x1 | |
75 | #define INTR1_HIGH_POLARITY 0x2 | |
76 | #define PCI_INTR_ENABLE 0x40 | |
2696fb57 | 77 | #define INTR1_EDGE_TRIG 0x100 /* requires high polarity */ |
0882eaa6 DS |
78 | #define CNTRL 0x50 |
79 | #define CNTRL_DIR 0x2 | |
80 | #define CNTRL_INTR 0x4 | |
81 | ||
82 | /* | |
83 | cio-das08.pdf | |
84 | ||
85 | "isa-das08" | |
86 | ||
87 | 0 a/d bits 0-3 start 8 bit | |
88 | 1 a/d bits 4-11 start 12 bit | |
89 | 2 eoc, ip1-3, irq, mux op1-4, inte, mux | |
90 | 3 unused unused | |
91 | 4567 8254 | |
92 | 89ab 8255 | |
93 | ||
94 | requires hard-wiring for async ai | |
95 | ||
96 | */ | |
97 | ||
98 | #define DAS08_LSB 0 | |
99 | #define DAS08_MSB 1 | |
100 | #define DAS08_TRIG_12BIT 1 | |
101 | #define DAS08_STATUS 2 | |
102 | #define DAS08_EOC (1<<7) | |
103 | #define DAS08_IRQ (1<<3) | |
104 | #define DAS08_IP(x) (((x)>>4)&0x7) | |
105 | #define DAS08_CONTROL 2 | |
106 | #define DAS08_MUX_MASK 0x7 | |
107 | #define DAS08_MUX(x) ((x) & DAS08_MUX_MASK) | |
108 | #define DAS08_INTE (1<<3) | |
109 | #define DAS08_DO_MASK 0xf0 | |
110 | #define DAS08_OP(x) (((x) << 4) & DAS08_DO_MASK) | |
111 | ||
112 | /* | |
113 | cio-das08jr.pdf | |
114 | ||
115 | "das08/jr-ao" | |
116 | ||
117 | 0 a/d bits 0-3 unused | |
118 | 1 a/d bits 4-11 start 12 bit | |
119 | 2 eoc, mux mux | |
120 | 3 di do | |
121 | 4 unused ao0_lsb | |
122 | 5 unused ao0_msb | |
123 | 6 unused ao1_lsb | |
124 | 7 unused ao1_msb | |
125 | ||
126 | */ | |
127 | ||
128 | #define DAS08JR_DIO 3 | |
b4ae23ce GS |
129 | #define DAS08JR_AO_LSB(x) ((x) ? 6 : 4) |
130 | #define DAS08JR_AO_MSB(x) ((x) ? 7 : 5) | |
0882eaa6 DS |
131 | |
132 | /* | |
133 | cio-das08_aox.pdf | |
134 | ||
135 | "das08-aoh" | |
136 | "das08-aol" | |
137 | "das08-aom" | |
138 | ||
139 | 0 a/d bits 0-3 start 8 bit | |
140 | 1 a/d bits 4-11 start 12 bit | |
141 | 2 eoc, ip1-3, irq, mux op1-4, inte, mux | |
142 | 3 mux, gain status gain control | |
143 | 4567 8254 | |
144 | 8 unused ao0_lsb | |
145 | 9 unused ao0_msb | |
146 | a unused ao1_lsb | |
147 | b unused ao1_msb | |
148 | 89ab | |
149 | cdef 8255 | |
150 | */ | |
151 | ||
152 | #define DAS08AO_GAIN_CONTROL 3 | |
153 | #define DAS08AO_GAIN_STATUS 3 | |
154 | ||
b4ae23ce GS |
155 | #define DAS08AO_AO_LSB(x) ((x) ? 0xa : 8) |
156 | #define DAS08AO_AO_MSB(x) ((x) ? 0xb : 9) | |
0882eaa6 DS |
157 | #define DAS08AO_AO_UPDATE 8 |
158 | ||
159 | /* gainlist same as _pgx_ below */ | |
160 | ||
9ced1de6 | 161 | static const struct comedi_lrange range_das08_pgl = { 9, { |
0a85b6f0 MT |
162 | BIP_RANGE(10), |
163 | BIP_RANGE(5), | |
164 | BIP_RANGE(2.5), | |
165 | BIP_RANGE(1.25), | |
166 | BIP_RANGE(0.625), | |
167 | UNI_RANGE(10), | |
168 | UNI_RANGE(5), | |
169 | UNI_RANGE(2.5), | |
170 | UNI_RANGE(1.25) | |
171 | } | |
0882eaa6 | 172 | }; |
0a85b6f0 | 173 | |
9ced1de6 | 174 | static const struct comedi_lrange range_das08_pgh = { 12, { |
0a85b6f0 MT |
175 | BIP_RANGE(10), |
176 | BIP_RANGE(5), | |
177 | BIP_RANGE(1), | |
178 | BIP_RANGE(0.5), | |
179 | BIP_RANGE(0.1), | |
180 | BIP_RANGE(0.05), | |
181 | BIP_RANGE(0.01), | |
182 | BIP_RANGE(0.005), | |
183 | UNI_RANGE(10), | |
184 | UNI_RANGE(1), | |
185 | UNI_RANGE(0.1), | |
186 | UNI_RANGE(0.01), | |
187 | } | |
0882eaa6 | 188 | }; |
0a85b6f0 | 189 | |
9ced1de6 | 190 | static const struct comedi_lrange range_das08_pgm = { 9, { |
0a85b6f0 MT |
191 | BIP_RANGE(10), |
192 | BIP_RANGE(5), | |
193 | BIP_RANGE(0.5), | |
194 | BIP_RANGE(0.05), | |
195 | BIP_RANGE(0.01), | |
196 | UNI_RANGE(10), | |
197 | UNI_RANGE(1), | |
198 | UNI_RANGE(0.1), | |
199 | UNI_RANGE(0.01) | |
200 | } | |
0882eaa6 DS |
201 | }; /* |
202 | cio-das08jr.pdf | |
203 | ||
204 | "das08/jr-ao" | |
205 | ||
206 | 0 a/d bits 0-3 unused | |
207 | 1 a/d bits 4-11 start 12 bit | |
208 | 2 eoc, mux mux | |
209 | 3 di do | |
210 | 4 unused ao0_lsb | |
211 | 5 unused ao0_msb | |
212 | 6 unused ao1_lsb | |
213 | 7 unused ao1_msb | |
214 | ||
215 | */ | |
216 | ||
9ced1de6 | 217 | static const struct comedi_lrange *const das08_ai_lranges[] = { |
0882eaa6 DS |
218 | &range_unknown, |
219 | &range_bipolar5, | |
220 | &range_das08_pgh, | |
221 | &range_das08_pgl, | |
222 | &range_das08_pgm, | |
223 | }; | |
224 | ||
b4ae23ce GS |
225 | static const int das08_pgh_gainlist[] = { |
226 | 8, 0, 10, 2, 12, 4, 14, 6, 1, 3, 5, 7 | |
227 | }; | |
0882eaa6 DS |
228 | static const int das08_pgl_gainlist[] = { 8, 0, 2, 4, 6, 1, 3, 5, 7 }; |
229 | static const int das08_pgm_gainlist[] = { 8, 0, 10, 12, 14, 9, 11, 13, 15 }; | |
230 | ||
231 | static const int *const das08_gainlists[] = { | |
232 | NULL, | |
233 | NULL, | |
234 | das08_pgh_gainlist, | |
235 | das08_pgl_gainlist, | |
236 | das08_pgm_gainlist, | |
237 | }; | |
238 | ||
9bfdd962 IA |
239 | static inline bool is_isa_board(const struct das08_board_struct *board) |
240 | { | |
c50141bf | 241 | return DO_ISA && board->bustype == isa; |
9bfdd962 IA |
242 | } |
243 | ||
244 | static inline bool is_pci_board(const struct das08_board_struct *board) | |
245 | { | |
c50141bf | 246 | return DO_PCI && board->bustype == pci; |
9bfdd962 IA |
247 | } |
248 | ||
0882eaa6 DS |
249 | #define TIMEOUT 100000 |
250 | ||
da91b269 | 251 | static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 | 252 | struct comedi_insn *insn, unsigned int *data) |
0882eaa6 | 253 | { |
282f3528 IA |
254 | const struct das08_board_struct *thisboard = comedi_board(dev); |
255 | struct das08_private_struct *devpriv = dev->private; | |
0882eaa6 DS |
256 | int i, n; |
257 | int chan; | |
258 | int range; | |
259 | int lsb, msb; | |
260 | ||
261 | chan = CR_CHAN(insn->chanspec); | |
262 | range = CR_RANGE(insn->chanspec); | |
263 | ||
264 | /* clear crap */ | |
265 | inb(dev->iobase + DAS08_LSB); | |
266 | inb(dev->iobase + DAS08_MSB); | |
267 | ||
268 | /* set multiplexer */ | |
b4ae23ce GS |
269 | /* lock to prevent race with digital output */ |
270 | spin_lock(&dev->spinlock); | |
0882eaa6 DS |
271 | devpriv->do_mux_bits &= ~DAS08_MUX_MASK; |
272 | devpriv->do_mux_bits |= DAS08_MUX(chan); | |
273 | outb(devpriv->do_mux_bits, dev->iobase + DAS08_CONTROL); | |
274 | spin_unlock(&dev->spinlock); | |
275 | ||
276 | if (s->range_table->length > 1) { | |
277 | /* set gain/range */ | |
278 | range = CR_RANGE(insn->chanspec); | |
279 | outb(devpriv->pg_gainlist[range], | |
0a85b6f0 | 280 | dev->iobase + DAS08AO_GAIN_CONTROL); |
0882eaa6 DS |
281 | } |
282 | ||
283 | for (n = 0; n < insn->n; n++) { | |
284 | /* clear over-range bits for 16-bit boards */ | |
285 | if (thisboard->ai_nbits == 16) | |
286 | if (inb(dev->iobase + DAS08_MSB) & 0x80) | |
33fba3b7 | 287 | dev_info(dev->class_dev, "over-range\n"); |
0882eaa6 DS |
288 | |
289 | /* trigger conversion */ | |
290 | outb_p(0, dev->iobase + DAS08_TRIG_12BIT); | |
291 | ||
292 | for (i = 0; i < TIMEOUT; i++) { | |
293 | if (!(inb(dev->iobase + DAS08_STATUS) & DAS08_EOC)) | |
294 | break; | |
295 | } | |
296 | if (i == TIMEOUT) { | |
33fba3b7 | 297 | dev_err(dev->class_dev, "timeout\n"); |
0882eaa6 DS |
298 | return -ETIME; |
299 | } | |
300 | msb = inb(dev->iobase + DAS08_MSB); | |
301 | lsb = inb(dev->iobase + DAS08_LSB); | |
302 | if (thisboard->ai_encoding == das08_encode12) { | |
303 | data[n] = (lsb >> 4) | (msb << 4); | |
304 | } else if (thisboard->ai_encoding == das08_pcm_encode12) { | |
305 | data[n] = (msb << 8) + lsb; | |
306 | } else if (thisboard->ai_encoding == das08_encode16) { | |
307 | /* FPOS 16-bit boards are sign-magnitude */ | |
308 | if (msb & 0x80) | |
309 | data[n] = (1 << 15) | lsb | ((msb & 0x7f) << 8); | |
310 | else | |
311 | data[n] = (1 << 15) - (lsb | (msb & 0x7f) << 8); | |
312 | } else { | |
313 | comedi_error(dev, "bug! unknown ai encoding"); | |
314 | return -1; | |
315 | } | |
316 | } | |
317 | ||
318 | return n; | |
319 | } | |
320 | ||
da91b269 | 321 | static int das08_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 | 322 | struct comedi_insn *insn, unsigned int *data) |
0882eaa6 DS |
323 | { |
324 | data[0] = 0; | |
325 | data[1] = DAS08_IP(inb(dev->iobase + DAS08_STATUS)); | |
326 | ||
a2714e3e | 327 | return insn->n; |
0882eaa6 DS |
328 | } |
329 | ||
da91b269 | 330 | static int das08_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 | 331 | struct comedi_insn *insn, unsigned int *data) |
0882eaa6 | 332 | { |
282f3528 | 333 | struct das08_private_struct *devpriv = dev->private; |
0882eaa6 DS |
334 | int wbits; |
335 | ||
2696fb57 | 336 | /* get current settings of digital output lines */ |
0882eaa6 | 337 | wbits = (devpriv->do_mux_bits >> 4) & 0xf; |
2696fb57 | 338 | /* null bits we are going to set */ |
0882eaa6 | 339 | wbits &= ~data[0]; |
2696fb57 | 340 | /* set new bit values */ |
0882eaa6 | 341 | wbits |= data[0] & data[1]; |
2696fb57 | 342 | /* remember digital output bits */ |
b4ae23ce GS |
343 | /* prevent race with setting of analog input mux */ |
344 | spin_lock(&dev->spinlock); | |
0882eaa6 DS |
345 | devpriv->do_mux_bits &= ~DAS08_DO_MASK; |
346 | devpriv->do_mux_bits |= DAS08_OP(wbits); | |
347 | outb(devpriv->do_mux_bits, dev->iobase + DAS08_CONTROL); | |
348 | spin_unlock(&dev->spinlock); | |
349 | ||
350 | data[1] = wbits; | |
351 | ||
a2714e3e | 352 | return insn->n; |
0882eaa6 DS |
353 | } |
354 | ||
624fcb26 IA |
355 | static int das08jr_di_rbits(struct comedi_device *dev, |
356 | struct comedi_subdevice *s, | |
357 | struct comedi_insn *insn, unsigned int *data) | |
0882eaa6 DS |
358 | { |
359 | data[0] = 0; | |
360 | data[1] = inb(dev->iobase + DAS08JR_DIO); | |
361 | ||
a2714e3e | 362 | return insn->n; |
0882eaa6 DS |
363 | } |
364 | ||
624fcb26 IA |
365 | static int das08jr_do_wbits(struct comedi_device *dev, |
366 | struct comedi_subdevice *s, | |
367 | struct comedi_insn *insn, unsigned int *data) | |
0882eaa6 | 368 | { |
282f3528 IA |
369 | struct das08_private_struct *devpriv = dev->private; |
370 | ||
2696fb57 | 371 | /* null bits we are going to set */ |
0882eaa6 | 372 | devpriv->do_bits &= ~data[0]; |
2696fb57 | 373 | /* set new bit values */ |
0882eaa6 DS |
374 | devpriv->do_bits |= data[0] & data[1]; |
375 | outb(devpriv->do_bits, dev->iobase + DAS08JR_DIO); | |
376 | ||
377 | data[1] = devpriv->do_bits; | |
378 | ||
a2714e3e | 379 | return insn->n; |
0882eaa6 DS |
380 | } |
381 | ||
3b85aa63 IA |
382 | static void das08_ao_set_data(struct comedi_device *dev, |
383 | unsigned int chan, unsigned int data) | |
0882eaa6 | 384 | { |
3b85aa63 | 385 | const struct das08_board_struct *thisboard = comedi_board(dev); |
f0ba1d6e | 386 | struct das08_private_struct *devpriv = dev->private; |
3b85aa63 IA |
387 | unsigned char lsb; |
388 | unsigned char msb; | |
0882eaa6 | 389 | |
3b85aa63 IA |
390 | lsb = data & 0xff; |
391 | msb = (data >> 8) & 0xff; | |
392 | if (thisboard->is_jr) { | |
0882eaa6 DS |
393 | outb(lsb, dev->iobase + DAS08JR_AO_LSB(chan)); |
394 | outb(msb, dev->iobase + DAS08JR_AO_MSB(chan)); | |
0882eaa6 DS |
395 | /* load DACs */ |
396 | inb(dev->iobase + DAS08JR_DIO); | |
3b85aa63 IA |
397 | } else { |
398 | outb(lsb, dev->iobase + DAS08AO_AO_LSB(chan)); | |
399 | outb(msb, dev->iobase + DAS08AO_AO_MSB(chan)); | |
400 | /* load DACs */ | |
401 | inb(dev->iobase + DAS08AO_AO_UPDATE); | |
0882eaa6 | 402 | } |
f0ba1d6e | 403 | devpriv->ao_readback[chan] = data; |
0882eaa6 DS |
404 | } |
405 | ||
8432eb35 IA |
406 | static void das08_ao_initialize(struct comedi_device *dev, |
407 | struct comedi_subdevice *s) | |
408 | { | |
409 | int n; | |
410 | unsigned int data; | |
411 | ||
412 | data = s->maxdata / 2; /* should be about 0 volts */ | |
413 | for (n = 0; n < s->n_chan; n++) | |
414 | das08_ao_set_data(dev, n, data); | |
415 | } | |
416 | ||
3b85aa63 IA |
417 | static int das08_ao_winsn(struct comedi_device *dev, |
418 | struct comedi_subdevice *s, | |
419 | struct comedi_insn *insn, unsigned int *data) | |
0882eaa6 | 420 | { |
3b85aa63 IA |
421 | unsigned int n; |
422 | unsigned int chan; | |
0882eaa6 DS |
423 | |
424 | chan = CR_CHAN(insn->chanspec); | |
425 | ||
3b85aa63 IA |
426 | for (n = 0; n < insn->n; n++) |
427 | das08_ao_set_data(dev, chan, *data); | |
0882eaa6 DS |
428 | |
429 | return n; | |
430 | } | |
431 | ||
f0ba1d6e IA |
432 | static int das08_ao_rinsn(struct comedi_device *dev, |
433 | struct comedi_subdevice *s, | |
434 | struct comedi_insn *insn, unsigned int *data) | |
435 | { | |
436 | struct das08_private_struct *devpriv = dev->private; | |
437 | unsigned int n; | |
438 | unsigned int chan; | |
439 | ||
440 | chan = CR_CHAN(insn->chanspec); | |
441 | ||
442 | for (n = 0; n < insn->n; n++) | |
443 | data[n] = devpriv->ao_readback[chan]; | |
444 | ||
445 | return n; | |
446 | } | |
447 | ||
80727146 | 448 | static void i8254_initialize(struct comedi_device *dev) |
d8fdaea5 | 449 | { |
4d31848a IA |
450 | const struct das08_board_struct *thisboard = comedi_board(dev); |
451 | unsigned long i8254_iobase = dev->iobase + thisboard->i8254_offset; | |
cba9d4aa | 452 | unsigned int mode = I8254_MODE0 | I8254_BINARY; |
d8fdaea5 | 453 | int i; |
afdd107c | 454 | |
d8fdaea5 | 455 | for (i = 0; i < 3; ++i) |
4d31848a | 456 | i8254_set_mode(i8254_iobase, 0, i, mode); |
d8fdaea5 IA |
457 | } |
458 | ||
0a85b6f0 MT |
459 | static int das08_counter_read(struct comedi_device *dev, |
460 | struct comedi_subdevice *s, | |
461 | struct comedi_insn *insn, unsigned int *data) | |
0882eaa6 | 462 | { |
4d31848a IA |
463 | const struct das08_board_struct *thisboard = comedi_board(dev); |
464 | unsigned long i8254_iobase = dev->iobase + thisboard->i8254_offset; | |
6daf1e05 | 465 | int chan = insn->chanspec; |
afdd107c | 466 | |
4d31848a | 467 | data[0] = i8254_read(i8254_iobase, 0, chan); |
0882eaa6 DS |
468 | return 1; |
469 | } | |
470 | ||
0a85b6f0 MT |
471 | static int das08_counter_write(struct comedi_device *dev, |
472 | struct comedi_subdevice *s, | |
473 | struct comedi_insn *insn, unsigned int *data) | |
0882eaa6 | 474 | { |
4d31848a IA |
475 | const struct das08_board_struct *thisboard = comedi_board(dev); |
476 | unsigned long i8254_iobase = dev->iobase + thisboard->i8254_offset; | |
6daf1e05 | 477 | int chan = insn->chanspec; |
afdd107c | 478 | |
4d31848a | 479 | i8254_write(i8254_iobase, 0, chan, data[0]); |
0882eaa6 DS |
480 | return 1; |
481 | } | |
482 | ||
0a85b6f0 MT |
483 | static int das08_counter_config(struct comedi_device *dev, |
484 | struct comedi_subdevice *s, | |
485 | struct comedi_insn *insn, unsigned int *data) | |
0882eaa6 | 486 | { |
4d31848a IA |
487 | const struct das08_board_struct *thisboard = comedi_board(dev); |
488 | unsigned long i8254_iobase = dev->iobase + thisboard->i8254_offset; | |
6daf1e05 | 489 | int chan = insn->chanspec; |
0882eaa6 | 490 | |
0882eaa6 DS |
491 | switch (data[0]) { |
492 | case INSN_CONFIG_SET_COUNTER_MODE: | |
4d31848a | 493 | i8254_set_mode(i8254_iobase, 0, chan, data[1]); |
0882eaa6 DS |
494 | break; |
495 | case INSN_CONFIG_8254_READ_STATUS: | |
4d31848a | 496 | data[1] = i8254_status(i8254_iobase, 0, chan); |
0882eaa6 DS |
497 | break; |
498 | default: | |
499 | return -EINVAL; | |
500 | break; | |
501 | } | |
502 | return 2; | |
503 | } | |
504 | ||
4bfa9b2e | 505 | #if DO_COMEDI_DRIVER_REGISTER |
d8fdaea5 | 506 | static const struct das08_board_struct das08_boards[] = { |
c50141bf | 507 | #if DO_ISA |
d8fdaea5 IA |
508 | { |
509 | .name = "isa-das08", /* cio-das08.pdf */ | |
510 | .bustype = isa, | |
d8fdaea5 IA |
511 | .ai_nbits = 12, |
512 | .ai_pg = das08_pg_none, | |
513 | .ai_encoding = das08_encode12, | |
ffd76b32 | 514 | .di_nchan = 3, |
d8fdaea5 IA |
515 | .do_nchan = 4, |
516 | .i8255_offset = 8, | |
517 | .i8254_offset = 4, | |
518 | .iosize = 16, /* unchecked */ | |
519 | }, | |
520 | { | |
521 | .name = "das08-pgm", /* cio-das08pgx.pdf */ | |
522 | .bustype = isa, | |
d8fdaea5 IA |
523 | .ai_nbits = 12, |
524 | .ai_pg = das08_pgm, | |
525 | .ai_encoding = das08_encode12, | |
ffd76b32 | 526 | .di_nchan = 3, |
d8fdaea5 IA |
527 | .do_nchan = 4, |
528 | .i8255_offset = 0, | |
529 | .i8254_offset = 0x04, | |
530 | .iosize = 16, /* unchecked */ | |
531 | }, | |
532 | { | |
533 | .name = "das08-pgh", /* cio-das08pgx.pdf */ | |
534 | .bustype = isa, | |
d8fdaea5 IA |
535 | .ai_nbits = 12, |
536 | .ai_pg = das08_pgh, | |
537 | .ai_encoding = das08_encode12, | |
ffd76b32 | 538 | .di_nchan = 3, |
d8fdaea5 | 539 | .do_nchan = 4, |
d8fdaea5 IA |
540 | .i8254_offset = 0x04, |
541 | .iosize = 16, /* unchecked */ | |
542 | }, | |
543 | { | |
544 | .name = "das08-pgl", /* cio-das08pgx.pdf */ | |
545 | .bustype = isa, | |
d8fdaea5 IA |
546 | .ai_nbits = 12, |
547 | .ai_pg = das08_pgl, | |
548 | .ai_encoding = das08_encode12, | |
ffd76b32 | 549 | .di_nchan = 3, |
d8fdaea5 | 550 | .do_nchan = 4, |
d8fdaea5 IA |
551 | .i8254_offset = 0x04, |
552 | .iosize = 16, /* unchecked */ | |
553 | }, | |
554 | { | |
555 | .name = "das08-aoh", /* cio-das08_aox.pdf */ | |
556 | .bustype = isa, | |
d8fdaea5 IA |
557 | .ai_nbits = 12, |
558 | .ai_pg = das08_pgh, | |
559 | .ai_encoding = das08_encode12, | |
d8fdaea5 | 560 | .ao_nbits = 12, |
ffd76b32 | 561 | .di_nchan = 3, |
d8fdaea5 IA |
562 | .do_nchan = 4, |
563 | .i8255_offset = 0x0c, | |
564 | .i8254_offset = 0x04, | |
565 | .iosize = 16, /* unchecked */ | |
566 | }, | |
567 | { | |
568 | .name = "das08-aol", /* cio-das08_aox.pdf */ | |
569 | .bustype = isa, | |
d8fdaea5 IA |
570 | .ai_nbits = 12, |
571 | .ai_pg = das08_pgl, | |
572 | .ai_encoding = das08_encode12, | |
d8fdaea5 | 573 | .ao_nbits = 12, |
ffd76b32 | 574 | .di_nchan = 3, |
d8fdaea5 IA |
575 | .do_nchan = 4, |
576 | .i8255_offset = 0x0c, | |
577 | .i8254_offset = 0x04, | |
578 | .iosize = 16, /* unchecked */ | |
579 | }, | |
580 | { | |
581 | .name = "das08-aom", /* cio-das08_aox.pdf */ | |
582 | .bustype = isa, | |
d8fdaea5 IA |
583 | .ai_nbits = 12, |
584 | .ai_pg = das08_pgm, | |
585 | .ai_encoding = das08_encode12, | |
d8fdaea5 | 586 | .ao_nbits = 12, |
ffd76b32 | 587 | .di_nchan = 3, |
d8fdaea5 IA |
588 | .do_nchan = 4, |
589 | .i8255_offset = 0x0c, | |
590 | .i8254_offset = 0x04, | |
591 | .iosize = 16, /* unchecked */ | |
592 | }, | |
593 | { | |
594 | .name = "das08/jr-ao", /* cio-das08-jr-ao.pdf */ | |
595 | .bustype = isa, | |
1effe42d | 596 | .is_jr = true, |
d8fdaea5 IA |
597 | .ai_nbits = 12, |
598 | .ai_pg = das08_pg_none, | |
599 | .ai_encoding = das08_encode12, | |
d8fdaea5 | 600 | .ao_nbits = 12, |
ffd76b32 | 601 | .di_nchan = 8, |
d8fdaea5 | 602 | .do_nchan = 8, |
d8fdaea5 IA |
603 | .iosize = 16, /* unchecked */ |
604 | }, | |
605 | { | |
606 | .name = "das08jr-16-ao", /* cio-das08jr-16-ao.pdf */ | |
607 | .bustype = isa, | |
1effe42d | 608 | .is_jr = true, |
d8fdaea5 IA |
609 | .ai_nbits = 16, |
610 | .ai_pg = das08_pg_none, | |
e6391a18 | 611 | .ai_encoding = das08_encode16, |
d8fdaea5 | 612 | .ao_nbits = 16, |
ffd76b32 | 613 | .di_nchan = 8, |
d8fdaea5 | 614 | .do_nchan = 8, |
d8fdaea5 IA |
615 | .i8254_offset = 0x04, |
616 | .iosize = 16, /* unchecked */ | |
617 | }, | |
618 | { | |
619 | .name = "pc104-das08", | |
4865a47f | 620 | .bustype = isa, |
d8fdaea5 IA |
621 | .ai_nbits = 12, |
622 | .ai_pg = das08_pg_none, | |
623 | .ai_encoding = das08_encode12, | |
ffd76b32 | 624 | .di_nchan = 3, |
d8fdaea5 | 625 | .do_nchan = 4, |
d8fdaea5 IA |
626 | .i8254_offset = 4, |
627 | .iosize = 16, /* unchecked */ | |
628 | }, | |
d8fdaea5 IA |
629 | { |
630 | .name = "das08jr/16", | |
631 | .bustype = isa, | |
1effe42d | 632 | .is_jr = true, |
d8fdaea5 IA |
633 | .ai_nbits = 16, |
634 | .ai_pg = das08_pg_none, | |
635 | .ai_encoding = das08_encode16, | |
ffd76b32 | 636 | .di_nchan = 8, |
d8fdaea5 | 637 | .do_nchan = 8, |
d8fdaea5 IA |
638 | .iosize = 16, /* unchecked */ |
639 | }, | |
c50141bf IA |
640 | #endif /* DO_ISA */ |
641 | #if DO_PCI | |
d8fdaea5 | 642 | { |
f86b0d7d | 643 | .name = "pci-das08", /* pci-das08 */ |
d8fdaea5 IA |
644 | .id = PCI_DEVICE_ID_PCIDAS08, |
645 | .bustype = pci, | |
d8fdaea5 IA |
646 | .ai_nbits = 12, |
647 | .ai_pg = das08_bipolar5, | |
648 | .ai_encoding = das08_encode12, | |
ffd76b32 | 649 | .di_nchan = 3, |
d8fdaea5 | 650 | .do_nchan = 4, |
d8fdaea5 IA |
651 | .i8254_offset = 4, |
652 | .iosize = 8, | |
653 | }, | |
c50141bf | 654 | #endif /* DO_PCI */ |
d8fdaea5 IA |
655 | }; |
656 | #endif /* DO_COMEDI_DRIVER_REGISTER */ | |
0882eaa6 | 657 | |
da91b269 | 658 | int das08_common_attach(struct comedi_device *dev, unsigned long iobase) |
0882eaa6 | 659 | { |
282f3528 IA |
660 | const struct das08_board_struct *thisboard = comedi_board(dev); |
661 | struct das08_private_struct *devpriv = dev->private; | |
34c43922 | 662 | struct comedi_subdevice *s; |
0882eaa6 DS |
663 | int ret; |
664 | ||
0882eaa6 DS |
665 | dev->iobase = iobase; |
666 | ||
667 | dev->board_name = thisboard->name; | |
668 | ||
2f0b9d08 | 669 | ret = comedi_alloc_subdevices(dev, 6); |
8b6c5694 | 670 | if (ret) |
0882eaa6 DS |
671 | return ret; |
672 | ||
2add117c | 673 | s = &dev->subdevices[0]; |
0882eaa6 | 674 | /* ai */ |
dd2ac5d4 | 675 | if (thisboard->ai_nbits) { |
0882eaa6 | 676 | s->type = COMEDI_SUBD_AI; |
b4ae23ce GS |
677 | /* XXX some boards actually have differential |
678 | * inputs instead of single ended. | |
679 | * The driver does nothing with arefs though, | |
680 | * so it's no big deal. | |
681 | */ | |
0882eaa6 DS |
682 | s->subdev_flags = SDF_READABLE | SDF_GROUND; |
683 | s->n_chan = 8; | |
684 | s->maxdata = (1 << thisboard->ai_nbits) - 1; | |
685 | s->range_table = das08_ai_lranges[thisboard->ai_pg]; | |
dd2ac5d4 | 686 | s->insn_read = das08_ai_rinsn; |
0882eaa6 DS |
687 | devpriv->pg_gainlist = das08_gainlists[thisboard->ai_pg]; |
688 | } else { | |
689 | s->type = COMEDI_SUBD_UNUSED; | |
690 | } | |
691 | ||
2add117c | 692 | s = &dev->subdevices[1]; |
0882eaa6 | 693 | /* ao */ |
dd2ac5d4 | 694 | if (thisboard->ao_nbits) { |
0882eaa6 | 695 | s->type = COMEDI_SUBD_AO; |
0882eaa6 DS |
696 | s->subdev_flags = SDF_WRITABLE; |
697 | s->n_chan = 2; | |
698 | s->maxdata = (1 << thisboard->ao_nbits) - 1; | |
699 | s->range_table = &range_bipolar5; | |
3b85aa63 | 700 | s->insn_write = das08_ao_winsn; |
f0ba1d6e | 701 | s->insn_read = das08_ao_rinsn; |
8432eb35 | 702 | das08_ao_initialize(dev, s); |
0882eaa6 DS |
703 | } else { |
704 | s->type = COMEDI_SUBD_UNUSED; | |
705 | } | |
706 | ||
2add117c | 707 | s = &dev->subdevices[2]; |
0882eaa6 | 708 | /* di */ |
dd2ac5d4 | 709 | if (thisboard->di_nchan) { |
0882eaa6 DS |
710 | s->type = COMEDI_SUBD_DI; |
711 | s->subdev_flags = SDF_READABLE; | |
ffd76b32 | 712 | s->n_chan = thisboard->di_nchan; |
0882eaa6 DS |
713 | s->maxdata = 1; |
714 | s->range_table = &range_digital; | |
dd2ac5d4 IA |
715 | s->insn_bits = |
716 | thisboard->is_jr ? das08jr_di_rbits : das08_di_rbits; | |
0882eaa6 DS |
717 | } else { |
718 | s->type = COMEDI_SUBD_UNUSED; | |
719 | } | |
720 | ||
2add117c | 721 | s = &dev->subdevices[3]; |
0882eaa6 | 722 | /* do */ |
dd2ac5d4 | 723 | if (thisboard->do_nchan) { |
0882eaa6 DS |
724 | s->type = COMEDI_SUBD_DO; |
725 | s->subdev_flags = SDF_WRITABLE | SDF_READABLE; | |
726 | s->n_chan = thisboard->do_nchan; | |
727 | s->maxdata = 1; | |
728 | s->range_table = &range_digital; | |
dd2ac5d4 IA |
729 | s->insn_bits = |
730 | thisboard->is_jr ? das08jr_do_wbits : das08_do_wbits; | |
0882eaa6 DS |
731 | } else { |
732 | s->type = COMEDI_SUBD_UNUSED; | |
733 | } | |
734 | ||
2add117c | 735 | s = &dev->subdevices[4]; |
0882eaa6 DS |
736 | /* 8255 */ |
737 | if (thisboard->i8255_offset != 0) { | |
738 | subdev_8255_init(dev, s, NULL, (unsigned long)(dev->iobase + | |
0a85b6f0 MT |
739 | thisboard-> |
740 | i8255_offset)); | |
0882eaa6 DS |
741 | } else { |
742 | s->type = COMEDI_SUBD_UNUSED; | |
743 | } | |
744 | ||
2add117c | 745 | s = &dev->subdevices[5]; |
0882eaa6 DS |
746 | /* 8254 */ |
747 | if (thisboard->i8254_offset != 0) { | |
748 | s->type = COMEDI_SUBD_COUNTER; | |
749 | s->subdev_flags = SDF_WRITABLE | SDF_READABLE; | |
750 | s->n_chan = 3; | |
751 | s->maxdata = 0xFFFF; | |
752 | s->insn_read = das08_counter_read; | |
753 | s->insn_write = das08_counter_write; | |
754 | s->insn_config = das08_counter_config; | |
80727146 | 755 | i8254_initialize(dev); |
0882eaa6 DS |
756 | } else { |
757 | s->type = COMEDI_SUBD_UNUSED; | |
758 | } | |
759 | ||
760 | return 0; | |
761 | } | |
b4ae23ce | 762 | EXPORT_SYMBOL_GPL(das08_common_attach); |
0882eaa6 | 763 | |
8b7d417c IA |
764 | static const struct das08_board_struct * |
765 | das08_find_pci_board(struct pci_dev *pdev) | |
766 | { | |
4bfa9b2e | 767 | #if DO_COMEDI_DRIVER_REGISTER |
8b7d417c IA |
768 | unsigned int i; |
769 | for (i = 0; i < ARRAY_SIZE(das08_boards); i++) | |
9bfdd962 | 770 | if (is_pci_board(&das08_boards[i]) && |
8b7d417c IA |
771 | pdev->device == das08_boards[i].id) |
772 | return &das08_boards[i]; | |
4bfa9b2e | 773 | #endif |
8b7d417c IA |
774 | return NULL; |
775 | } | |
8b7d417c | 776 | |
8b7d417c | 777 | /* only called in the PCI probe path, via comedi_pci_auto_config() */ |
4bfa9b2e IA |
778 | static int __devinit __maybe_unused |
779 | das08_attach_pci(struct comedi_device *dev, struct pci_dev *pdev) | |
8b7d417c | 780 | { |
9a1a6cf8 | 781 | struct das08_private_struct *devpriv; |
c6e37f4f | 782 | unsigned long iobase; |
8b7d417c | 783 | |
c50141bf | 784 | if (!DO_PCI) |
4bfa9b2e | 785 | return -EINVAL; |
9a1a6cf8 | 786 | |
c34fa261 HS |
787 | devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); |
788 | if (!devpriv) | |
789 | return -ENOMEM; | |
790 | dev->private = devpriv; | |
9a1a6cf8 | 791 | |
8b7d417c IA |
792 | dev_info(dev->class_dev, "attach pci %s\n", pci_name(pdev)); |
793 | dev->board_ptr = das08_find_pci_board(pdev); | |
794 | if (dev->board_ptr == NULL) { | |
795 | dev_err(dev->class_dev, "BUG! cannot determine board type!\n"); | |
796 | return -EINVAL; | |
797 | } | |
40a3ee02 | 798 | comedi_set_hw_dev(dev, &pdev->dev); |
c6e37f4f IA |
799 | /* enable PCI device and reserve I/O spaces */ |
800 | if (comedi_pci_enable(pdev, dev->driver->driver_name)) { | |
801 | dev_err(dev->class_dev, | |
802 | "Error enabling PCI device and requesting regions\n"); | |
803 | return -EIO; | |
804 | } | |
805 | /* read base addresses */ | |
806 | iobase = pci_resource_start(pdev, 2); | |
c6e37f4f | 807 | return das08_common_attach(dev, iobase); |
8b7d417c | 808 | } |
8b7d417c | 809 | |
4bfa9b2e IA |
810 | static int __maybe_unused |
811 | das08_attach(struct comedi_device *dev, struct comedi_devconfig *it) | |
0882eaa6 | 812 | { |
282f3528 IA |
813 | const struct das08_board_struct *thisboard = comedi_board(dev); |
814 | struct das08_private_struct *devpriv; | |
0882eaa6 | 815 | unsigned long iobase; |
0882eaa6 | 816 | |
c34fa261 HS |
817 | devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); |
818 | if (!devpriv) | |
819 | return -ENOMEM; | |
820 | dev->private = devpriv; | |
0882eaa6 | 821 | |
33fba3b7 | 822 | dev_info(dev->class_dev, "attach\n"); |
9bfdd962 | 823 | if (is_pci_board(thisboard)) { |
b1128a6b IA |
824 | dev_err(dev->class_dev, |
825 | "Manual configuration of PCI board '%s' is not supported\n", | |
826 | thisboard->name); | |
827 | return -EIO; | |
9bfdd962 | 828 | } else if (is_isa_board(thisboard)) { |
0882eaa6 | 829 | iobase = it->options[0]; |
33fba3b7 | 830 | dev_info(dev->class_dev, "iobase 0x%lx\n", iobase); |
d60d9f34 | 831 | if (!request_region(iobase, thisboard->iosize, DRV_NAME)) { |
33fba3b7 | 832 | dev_err(dev->class_dev, "I/O port conflict\n"); |
d60d9f34 IA |
833 | return -EIO; |
834 | } | |
8b7d417c | 835 | return das08_common_attach(dev, iobase); |
d60d9f34 IA |
836 | } else |
837 | return -EIO; | |
0882eaa6 DS |
838 | } |
839 | ||
484ecc95 | 840 | void das08_common_detach(struct comedi_device *dev) |
0882eaa6 | 841 | { |
0882eaa6 | 842 | if (dev->subdevices) |
2add117c | 843 | subdev_8255_cleanup(dev, &dev->subdevices[4]); |
d60d9f34 IA |
844 | } |
845 | EXPORT_SYMBOL_GPL(das08_common_detach); | |
846 | ||
4bfa9b2e | 847 | static void __maybe_unused das08_detach(struct comedi_device *dev) |
d60d9f34 | 848 | { |
282f3528 | 849 | const struct das08_board_struct *thisboard = comedi_board(dev); |
282f3528 | 850 | |
d60d9f34 | 851 | das08_common_detach(dev); |
9bfdd962 | 852 | if (is_isa_board(thisboard)) { |
0882eaa6 DS |
853 | if (dev->iobase) |
854 | release_region(dev->iobase, thisboard->iosize); | |
9bfdd962 | 855 | } else if (is_pci_board(thisboard)) { |
40a3ee02 IA |
856 | struct pci_dev *pdev = comedi_to_pci_dev(dev); |
857 | if (pdev) { | |
fb8ff5d5 | 858 | if (dev->iobase) |
40a3ee02 | 859 | comedi_pci_disable(pdev); |
0882eaa6 DS |
860 | } |
861 | } | |
0882eaa6 DS |
862 | } |
863 | ||
4bfa9b2e | 864 | #if DO_COMEDI_DRIVER_REGISTER |
d8fdaea5 IA |
865 | static struct comedi_driver das08_driver = { |
866 | .driver_name = DRV_NAME, | |
867 | .module = THIS_MODULE, | |
868 | .attach = das08_attach, | |
8b7d417c | 869 | .attach_pci = das08_attach_pci, |
d8fdaea5 IA |
870 | .detach = das08_detach, |
871 | .board_name = &das08_boards[0].name, | |
872 | .num_names = sizeof(das08_boards) / sizeof(struct das08_board_struct), | |
873 | .offset = sizeof(struct das08_board_struct), | |
874 | }; | |
875 | #endif | |
876 | ||
c50141bf | 877 | #if DO_PCI |
d8fdaea5 IA |
878 | static DEFINE_PCI_DEVICE_TABLE(das08_pci_table) = { |
879 | { PCI_DEVICE(PCI_VENDOR_ID_COMPUTERBOARDS, PCI_DEVICE_ID_PCIDAS08) }, | |
880 | {0} | |
881 | }; | |
882 | ||
883 | MODULE_DEVICE_TABLE(pci, das08_pci_table); | |
884 | ||
1e576a57 | 885 | static int __devinit das08_pci_probe(struct pci_dev *dev, |
727b286b AT |
886 | const struct pci_device_id *ent) |
887 | { | |
1e576a57 | 888 | return comedi_pci_auto_config(dev, &das08_driver); |
727b286b AT |
889 | } |
890 | ||
1e576a57 | 891 | static void __devexit das08_pci_remove(struct pci_dev *dev) |
727b286b AT |
892 | { |
893 | comedi_pci_auto_unconfig(dev); | |
894 | } | |
895 | ||
1e576a57 | 896 | static struct pci_driver das08_pci_driver = { |
727b286b | 897 | .id_table = das08_pci_table, |
1e576a57 IA |
898 | .name = DRV_NAME, |
899 | .probe = &das08_pci_probe, | |
900 | .remove = __devexit_p(&das08_pci_remove) | |
727b286b | 901 | }; |
c50141bf | 902 | #endif /* DO_PCI */ |
727b286b | 903 | |
4bfa9b2e | 904 | #if DO_COMEDI_DRIVER_REGISTER |
c50141bf | 905 | #if DO_PCI |
1e576a57 IA |
906 | module_comedi_pci_driver(das08_driver, das08_pci_driver); |
907 | #else | |
908 | module_comedi_driver(das08_driver); | |
2e3c024d | 909 | #endif |
1e576a57 IA |
910 | #else /* DO_COMEDI_DRIVER_REGISTER */ |
911 | static int __init das08_init(void) | |
912 | { | |
913 | return 0; | |
727b286b AT |
914 | } |
915 | ||
1e576a57 | 916 | static void __exit das08_exit(void) |
727b286b | 917 | { |
727b286b AT |
918 | } |
919 | ||
1e576a57 IA |
920 | module_init(das08_init); |
921 | module_exit(das08_exit); | |
922 | #endif /* DO_COMEDI_DRIVER_REGISTER */ | |
0882eaa6 | 923 | |
90f703d3 AT |
924 | MODULE_AUTHOR("Comedi http://www.comedi.org"); |
925 | MODULE_DESCRIPTION("Comedi low-level driver"); | |
926 | MODULE_LICENSE("GPL"); |