Commit | Line | Data |
---|---|---|
03aef4b6 DS |
1 | /* |
2 | comedi/drivers/ni_mio_common.c | |
3 | Hardware driver for DAQ-STC based boards | |
4 | ||
5 | COMEDI - Linux Control and Measurement Device Interface | |
6 | Copyright (C) 1997-2001 David A. Schleef <ds@schleef.org> | |
7 | Copyright (C) 2002-2006 Frank Mori Hess <fmhess@users.sourceforge.net> | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | ||
23 | */ | |
24 | ||
25 | /* | |
26 | This file is meant to be included by another file, e.g., | |
27 | ni_atmio.c or ni_pcimio.c. | |
28 | ||
29 | Interrupt support originally added by Truxton Fulton | |
30 | <trux@truxton.com> | |
31 | ||
32 | References (from ftp://ftp.natinst.com/support/manuals): | |
33 | ||
34 | 340747b.pdf AT-MIO E series Register Level Programmer Manual | |
35 | 341079b.pdf PCI E Series RLPM | |
36 | 340934b.pdf DAQ-STC reference manual | |
37 | 67xx and 611x registers (from http://www.ni.com/pdf/daq/us) | |
38 | release_ni611x.pdf | |
39 | release_ni67xx.pdf | |
40 | Other possibly relevant info: | |
41 | ||
42 | 320517c.pdf User manual (obsolete) | |
43 | 320517f.pdf User manual (new) | |
44 | 320889a.pdf delete | |
45 | 320906c.pdf maximum signal ratings | |
46 | 321066a.pdf about 16x | |
47 | 321791a.pdf discontinuation of at-mio-16e-10 rev. c | |
48 | 321808a.pdf about at-mio-16e-10 rev P | |
49 | 321837a.pdf discontinuation of at-mio-16de-10 rev d | |
50 | 321838a.pdf about at-mio-16de-10 rev N | |
51 | ||
52 | ISSUES: | |
53 | ||
54 | - the interrupt routine needs to be cleaned up | |
55 | ||
56 | 2006-02-07: S-Series PCI-6143: Support has been added but is not | |
57 | fully tested as yet. Terry Barnaby, BEAM Ltd. | |
58 | */ | |
59 | ||
2696fb57 BP |
60 | /* #define DEBUG_INTERRUPT */ |
61 | /* #define DEBUG_STATUS_A */ | |
62 | /* #define DEBUG_STATUS_B */ | |
03aef4b6 | 63 | |
25436dc9 | 64 | #include <linux/interrupt.h> |
03aef4b6 DS |
65 | #include "8255.h" |
66 | #include "mite.h" | |
67 | #include "comedi_fc.h" | |
68 | ||
69 | #ifndef MDPRINTK | |
f7cbd7aa | 70 | #define MDPRINTK(format, args...) |
03aef4b6 DS |
71 | #endif |
72 | ||
73 | /* A timeout count */ | |
74 | #define NI_TIMEOUT 1000 | |
75 | static const unsigned old_RTSI_clock_channel = 7; | |
76 | ||
77 | /* Note: this table must match the ai_gain_* definitions */ | |
78 | static const short ni_gainlkup[][16] = { | |
79 | [ai_gain_16] = {0, 1, 2, 3, 4, 5, 6, 7, | |
0a85b6f0 | 80 | 0x100, 0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107}, |
03aef4b6 DS |
81 | [ai_gain_8] = {1, 2, 4, 7, 0x101, 0x102, 0x104, 0x107}, |
82 | [ai_gain_14] = {1, 2, 3, 4, 5, 6, 7, | |
0a85b6f0 | 83 | 0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107}, |
03aef4b6 DS |
84 | [ai_gain_4] = {0, 1, 4, 7}, |
85 | [ai_gain_611x] = {0x00a, 0x00b, 0x001, 0x002, | |
0a85b6f0 | 86 | 0x003, 0x004, 0x005, 0x006}, |
03aef4b6 DS |
87 | [ai_gain_622x] = {0, 1, 4, 5}, |
88 | [ai_gain_628x] = {1, 2, 3, 4, 5, 6, 7}, | |
89 | [ai_gain_6143] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, | |
90 | }; | |
91 | ||
9ced1de6 | 92 | static const struct comedi_lrange range_ni_E_ai = { 16, { |
0a85b6f0 MT |
93 | RANGE(-10, 10), |
94 | RANGE(-5, 5), | |
95 | RANGE(-2.5, 2.5), | |
96 | RANGE(-1, 1), | |
97 | RANGE(-0.5, 0.5), | |
98 | RANGE(-0.25, 0.25), | |
99 | RANGE(-0.1, 0.1), | |
100 | RANGE(-0.05, 0.05), | |
101 | RANGE(0, 20), | |
102 | RANGE(0, 10), | |
103 | RANGE(0, 5), | |
104 | RANGE(0, 2), | |
105 | RANGE(0, 1), | |
106 | RANGE(0, 0.5), | |
107 | RANGE(0, 0.2), | |
108 | RANGE(0, 0.1), | |
109 | } | |
03aef4b6 | 110 | }; |
0a85b6f0 | 111 | |
9ced1de6 | 112 | static const struct comedi_lrange range_ni_E_ai_limited = { 8, { |
0a85b6f0 MT |
113 | RANGE(-10, 10), |
114 | RANGE(-5, 5), | |
115 | RANGE(-1, 1), | |
116 | RANGE(-0.1, | |
117 | 0.1), | |
118 | RANGE(0, 10), | |
119 | RANGE(0, 5), | |
120 | RANGE(0, 1), | |
121 | RANGE(0, 0.1), | |
122 | } | |
03aef4b6 | 123 | }; |
0a85b6f0 | 124 | |
9ced1de6 | 125 | static const struct comedi_lrange range_ni_E_ai_limited14 = { 14, { |
0a85b6f0 MT |
126 | RANGE(-10, |
127 | 10), | |
128 | RANGE(-5, 5), | |
129 | RANGE(-2, 2), | |
130 | RANGE(-1, 1), | |
131 | RANGE(-0.5, | |
132 | 0.5), | |
133 | RANGE(-0.2, | |
134 | 0.2), | |
135 | RANGE(-0.1, | |
136 | 0.1), | |
137 | RANGE(0, 10), | |
138 | RANGE(0, 5), | |
139 | RANGE(0, 2), | |
140 | RANGE(0, 1), | |
141 | RANGE(0, | |
142 | 0.5), | |
143 | RANGE(0, | |
144 | 0.2), | |
145 | RANGE(0, | |
146 | 0.1), | |
147 | } | |
03aef4b6 | 148 | }; |
0a85b6f0 | 149 | |
9ced1de6 | 150 | static const struct comedi_lrange range_ni_E_ai_bipolar4 = { 4, { |
0a85b6f0 MT |
151 | RANGE(-10, 10), |
152 | RANGE(-5, 5), | |
153 | RANGE(-0.5, | |
154 | 0.5), | |
155 | RANGE(-0.05, | |
156 | 0.05), | |
157 | } | |
03aef4b6 | 158 | }; |
0a85b6f0 | 159 | |
9ced1de6 | 160 | static const struct comedi_lrange range_ni_E_ai_611x = { 8, { |
0a85b6f0 MT |
161 | RANGE(-50, 50), |
162 | RANGE(-20, 20), | |
163 | RANGE(-10, 10), | |
164 | RANGE(-5, 5), | |
165 | RANGE(-2, 2), | |
166 | RANGE(-1, 1), | |
167 | RANGE(-0.5, 0.5), | |
168 | RANGE(-0.2, 0.2), | |
169 | } | |
03aef4b6 | 170 | }; |
0a85b6f0 | 171 | |
9ced1de6 | 172 | static const struct comedi_lrange range_ni_M_ai_622x = { 4, { |
0a85b6f0 MT |
173 | RANGE(-10, 10), |
174 | RANGE(-5, 5), | |
175 | RANGE(-1, 1), | |
176 | RANGE(-0.2, 0.2), | |
177 | } | |
03aef4b6 | 178 | }; |
0a85b6f0 | 179 | |
9ced1de6 | 180 | static const struct comedi_lrange range_ni_M_ai_628x = { 7, { |
0a85b6f0 MT |
181 | RANGE(-10, 10), |
182 | RANGE(-5, 5), | |
183 | RANGE(-2, 2), | |
184 | RANGE(-1, 1), | |
185 | RANGE(-0.5, 0.5), | |
186 | RANGE(-0.2, 0.2), | |
187 | RANGE(-0.1, 0.1), | |
188 | } | |
03aef4b6 | 189 | }; |
0a85b6f0 | 190 | |
9ced1de6 | 191 | static const struct comedi_lrange range_ni_S_ai_6143 = { 1, { |
0a85b6f0 MT |
192 | RANGE(-5, +5), |
193 | } | |
03aef4b6 | 194 | }; |
0a85b6f0 | 195 | |
9ced1de6 | 196 | static const struct comedi_lrange range_ni_E_ao_ext = { 4, { |
0a85b6f0 MT |
197 | RANGE(-10, 10), |
198 | RANGE(0, 10), | |
199 | RANGE_ext(-1, 1), | |
200 | RANGE_ext(0, 1), | |
201 | } | |
03aef4b6 DS |
202 | }; |
203 | ||
9ced1de6 | 204 | static const struct comedi_lrange *const ni_range_lkup[] = { |
03aef4b6 DS |
205 | [ai_gain_16] = &range_ni_E_ai, |
206 | [ai_gain_8] = &range_ni_E_ai_limited, | |
207 | [ai_gain_14] = &range_ni_E_ai_limited14, | |
208 | [ai_gain_4] = &range_ni_E_ai_bipolar4, | |
209 | [ai_gain_611x] = &range_ni_E_ai_611x, | |
210 | [ai_gain_622x] = &range_ni_M_ai_622x, | |
211 | [ai_gain_628x] = &range_ni_M_ai_628x, | |
212 | [ai_gain_6143] = &range_ni_S_ai_6143 | |
213 | }; | |
214 | ||
0a85b6f0 MT |
215 | static int ni_dio_insn_config(struct comedi_device *dev, |
216 | struct comedi_subdevice *s, | |
217 | struct comedi_insn *insn, unsigned int *data); | |
218 | static int ni_dio_insn_bits(struct comedi_device *dev, | |
219 | struct comedi_subdevice *s, | |
220 | struct comedi_insn *insn, unsigned int *data); | |
221 | static int ni_cdio_cmdtest(struct comedi_device *dev, | |
222 | struct comedi_subdevice *s, struct comedi_cmd *cmd); | |
da91b269 | 223 | static int ni_cdio_cmd(struct comedi_device *dev, struct comedi_subdevice *s); |
0a85b6f0 MT |
224 | static int ni_cdio_cancel(struct comedi_device *dev, |
225 | struct comedi_subdevice *s); | |
da91b269 BP |
226 | static void handle_cdio_interrupt(struct comedi_device *dev); |
227 | static int ni_cdo_inttrig(struct comedi_device *dev, struct comedi_subdevice *s, | |
0a85b6f0 MT |
228 | unsigned int trignum); |
229 | ||
230 | static int ni_serial_insn_config(struct comedi_device *dev, | |
231 | struct comedi_subdevice *s, | |
232 | struct comedi_insn *insn, unsigned int *data); | |
233 | static int ni_serial_hw_readwrite8(struct comedi_device *dev, | |
234 | struct comedi_subdevice *s, | |
235 | unsigned char data_out, | |
236 | unsigned char *data_in); | |
237 | static int ni_serial_sw_readwrite8(struct comedi_device *dev, | |
238 | struct comedi_subdevice *s, | |
239 | unsigned char data_out, | |
240 | unsigned char *data_in); | |
241 | ||
242 | static int ni_calib_insn_read(struct comedi_device *dev, | |
243 | struct comedi_subdevice *s, | |
244 | struct comedi_insn *insn, unsigned int *data); | |
245 | static int ni_calib_insn_write(struct comedi_device *dev, | |
246 | struct comedi_subdevice *s, | |
247 | struct comedi_insn *insn, unsigned int *data); | |
248 | ||
249 | static int ni_eeprom_insn_read(struct comedi_device *dev, | |
250 | struct comedi_subdevice *s, | |
251 | struct comedi_insn *insn, unsigned int *data); | |
da91b269 | 252 | static int ni_m_series_eeprom_insn_read(struct comedi_device *dev, |
0a85b6f0 MT |
253 | struct comedi_subdevice *s, |
254 | struct comedi_insn *insn, | |
255 | unsigned int *data); | |
256 | ||
257 | static int ni_pfi_insn_bits(struct comedi_device *dev, | |
258 | struct comedi_subdevice *s, | |
259 | struct comedi_insn *insn, unsigned int *data); | |
260 | static int ni_pfi_insn_config(struct comedi_device *dev, | |
261 | struct comedi_subdevice *s, | |
262 | struct comedi_insn *insn, unsigned int *data); | |
263 | static unsigned ni_old_get_pfi_routing(struct comedi_device *dev, | |
264 | unsigned chan); | |
03aef4b6 | 265 | |
da91b269 | 266 | static void ni_rtsi_init(struct comedi_device *dev); |
0a85b6f0 MT |
267 | static int ni_rtsi_insn_bits(struct comedi_device *dev, |
268 | struct comedi_subdevice *s, | |
269 | struct comedi_insn *insn, unsigned int *data); | |
270 | static int ni_rtsi_insn_config(struct comedi_device *dev, | |
271 | struct comedi_subdevice *s, | |
272 | struct comedi_insn *insn, unsigned int *data); | |
03aef4b6 | 273 | |
da91b269 BP |
274 | static void caldac_setup(struct comedi_device *dev, struct comedi_subdevice *s); |
275 | static int ni_read_eeprom(struct comedi_device *dev, int addr); | |
03aef4b6 DS |
276 | |
277 | #ifdef DEBUG_STATUS_A | |
278 | static void ni_mio_print_status_a(int status); | |
279 | #else | |
280 | #define ni_mio_print_status_a(a) | |
281 | #endif | |
282 | #ifdef DEBUG_STATUS_B | |
283 | static void ni_mio_print_status_b(int status); | |
284 | #else | |
285 | #define ni_mio_print_status_b(a) | |
286 | #endif | |
287 | ||
da91b269 | 288 | static int ni_ai_reset(struct comedi_device *dev, struct comedi_subdevice *s); |
03aef4b6 | 289 | #ifndef PCIDMA |
da91b269 | 290 | static void ni_handle_fifo_half_full(struct comedi_device *dev); |
0a85b6f0 MT |
291 | static int ni_ao_fifo_half_empty(struct comedi_device *dev, |
292 | struct comedi_subdevice *s); | |
03aef4b6 | 293 | #endif |
da91b269 BP |
294 | static void ni_handle_fifo_dregs(struct comedi_device *dev); |
295 | static int ni_ai_inttrig(struct comedi_device *dev, struct comedi_subdevice *s, | |
0a85b6f0 MT |
296 | unsigned int trignum); |
297 | static void ni_load_channelgain_list(struct comedi_device *dev, | |
298 | unsigned int n_chan, unsigned int *list); | |
da91b269 | 299 | static void shutdown_ai_command(struct comedi_device *dev); |
03aef4b6 | 300 | |
da91b269 | 301 | static int ni_ao_inttrig(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 | 302 | unsigned int trignum); |
03aef4b6 | 303 | |
da91b269 | 304 | static int ni_ao_reset(struct comedi_device *dev, struct comedi_subdevice *s); |
03aef4b6 DS |
305 | |
306 | static int ni_8255_callback(int dir, int port, int data, unsigned long arg); | |
307 | ||
0a85b6f0 MT |
308 | static int ni_gpct_insn_write(struct comedi_device *dev, |
309 | struct comedi_subdevice *s, | |
310 | struct comedi_insn *insn, unsigned int *data); | |
311 | static int ni_gpct_insn_read(struct comedi_device *dev, | |
312 | struct comedi_subdevice *s, | |
313 | struct comedi_insn *insn, unsigned int *data); | |
314 | static int ni_gpct_insn_config(struct comedi_device *dev, | |
315 | struct comedi_subdevice *s, | |
316 | struct comedi_insn *insn, unsigned int *data); | |
da91b269 | 317 | static int ni_gpct_cmd(struct comedi_device *dev, struct comedi_subdevice *s); |
0a85b6f0 MT |
318 | static int ni_gpct_cmdtest(struct comedi_device *dev, |
319 | struct comedi_subdevice *s, struct comedi_cmd *cmd); | |
320 | static int ni_gpct_cancel(struct comedi_device *dev, | |
321 | struct comedi_subdevice *s); | |
da91b269 | 322 | static void handle_gpct_interrupt(struct comedi_device *dev, |
0a85b6f0 | 323 | unsigned short counter_index); |
03aef4b6 | 324 | |
da91b269 | 325 | static int init_cs5529(struct comedi_device *dev); |
0a85b6f0 MT |
326 | static int cs5529_do_conversion(struct comedi_device *dev, |
327 | unsigned short *data); | |
328 | static int cs5529_ai_insn_read(struct comedi_device *dev, | |
329 | struct comedi_subdevice *s, | |
330 | struct comedi_insn *insn, unsigned int *data); | |
03aef4b6 | 331 | #ifdef NI_CS5529_DEBUG |
da91b269 | 332 | static unsigned int cs5529_config_read(struct comedi_device *dev, |
0a85b6f0 | 333 | unsigned int reg_select_bits); |
03aef4b6 | 334 | #endif |
da91b269 | 335 | static void cs5529_config_write(struct comedi_device *dev, unsigned int value, |
0a85b6f0 | 336 | unsigned int reg_select_bits); |
03aef4b6 | 337 | |
0a85b6f0 MT |
338 | static int ni_m_series_pwm_config(struct comedi_device *dev, |
339 | struct comedi_subdevice *s, | |
340 | struct comedi_insn *insn, unsigned int *data); | |
341 | static int ni_6143_pwm_config(struct comedi_device *dev, | |
342 | struct comedi_subdevice *s, | |
343 | struct comedi_insn *insn, unsigned int *data); | |
03aef4b6 | 344 | |
da91b269 | 345 | static int ni_set_master_clock(struct comedi_device *dev, unsigned source, |
0a85b6f0 | 346 | unsigned period_ns); |
da91b269 BP |
347 | static void ack_a_interrupt(struct comedi_device *dev, unsigned short a_status); |
348 | static void ack_b_interrupt(struct comedi_device *dev, unsigned short b_status); | |
03aef4b6 DS |
349 | |
350 | enum aimodes { | |
351 | AIMODE_NONE = 0, | |
352 | AIMODE_HALF_FULL = 1, | |
353 | AIMODE_SCAN = 2, | |
354 | AIMODE_SAMPLE = 3, | |
355 | }; | |
356 | ||
357 | enum ni_common_subdevices { | |
358 | NI_AI_SUBDEV, | |
359 | NI_AO_SUBDEV, | |
360 | NI_DIO_SUBDEV, | |
361 | NI_8255_DIO_SUBDEV, | |
362 | NI_UNUSED_SUBDEV, | |
363 | NI_CALIBRATION_SUBDEV, | |
364 | NI_EEPROM_SUBDEV, | |
365 | NI_PFI_DIO_SUBDEV, | |
366 | NI_CS5529_CALIBRATION_SUBDEV, | |
367 | NI_SERIAL_SUBDEV, | |
368 | NI_RTSI_SUBDEV, | |
369 | NI_GPCT0_SUBDEV, | |
370 | NI_GPCT1_SUBDEV, | |
371 | NI_FREQ_OUT_SUBDEV, | |
372 | NI_NUM_SUBDEVICES | |
373 | }; | |
374 | static inline unsigned NI_GPCT_SUBDEV(unsigned counter_index) | |
375 | { | |
376 | switch (counter_index) { | |
377 | case 0: | |
378 | return NI_GPCT0_SUBDEV; | |
379 | break; | |
380 | case 1: | |
381 | return NI_GPCT1_SUBDEV; | |
382 | break; | |
383 | default: | |
384 | break; | |
385 | } | |
386 | BUG(); | |
387 | return NI_GPCT0_SUBDEV; | |
388 | } | |
389 | ||
390 | enum timebase_nanoseconds { | |
391 | TIMEBASE_1_NS = 50, | |
392 | TIMEBASE_2_NS = 10000 | |
393 | }; | |
394 | ||
395 | #define SERIAL_DISABLED 0 | |
396 | #define SERIAL_600NS 600 | |
397 | #define SERIAL_1_2US 1200 | |
398 | #define SERIAL_10US 10000 | |
399 | ||
400 | static const int num_adc_stages_611x = 3; | |
401 | ||
da91b269 | 402 | static void handle_a_interrupt(struct comedi_device *dev, unsigned short status, |
0a85b6f0 | 403 | unsigned ai_mite_status); |
da91b269 | 404 | static void handle_b_interrupt(struct comedi_device *dev, unsigned short status, |
0a85b6f0 | 405 | unsigned ao_mite_status); |
da91b269 BP |
406 | static void get_last_sample_611x(struct comedi_device *dev); |
407 | static void get_last_sample_6143(struct comedi_device *dev); | |
03aef4b6 | 408 | |
da91b269 | 409 | static inline void ni_set_bitfield(struct comedi_device *dev, int reg, |
0a85b6f0 | 410 | unsigned bit_mask, unsigned bit_values) |
03aef4b6 DS |
411 | { |
412 | unsigned long flags; | |
413 | ||
5f74ea14 | 414 | spin_lock_irqsave(&devpriv->soft_reg_copy_lock, flags); |
03aef4b6 DS |
415 | switch (reg) { |
416 | case Interrupt_A_Enable_Register: | |
417 | devpriv->int_a_enable_reg &= ~bit_mask; | |
418 | devpriv->int_a_enable_reg |= bit_values & bit_mask; | |
419 | devpriv->stc_writew(dev, devpriv->int_a_enable_reg, | |
0a85b6f0 | 420 | Interrupt_A_Enable_Register); |
03aef4b6 DS |
421 | break; |
422 | case Interrupt_B_Enable_Register: | |
423 | devpriv->int_b_enable_reg &= ~bit_mask; | |
424 | devpriv->int_b_enable_reg |= bit_values & bit_mask; | |
425 | devpriv->stc_writew(dev, devpriv->int_b_enable_reg, | |
0a85b6f0 | 426 | Interrupt_B_Enable_Register); |
03aef4b6 DS |
427 | break; |
428 | case IO_Bidirection_Pin_Register: | |
429 | devpriv->io_bidirection_pin_reg &= ~bit_mask; | |
430 | devpriv->io_bidirection_pin_reg |= bit_values & bit_mask; | |
431 | devpriv->stc_writew(dev, devpriv->io_bidirection_pin_reg, | |
0a85b6f0 | 432 | IO_Bidirection_Pin_Register); |
03aef4b6 DS |
433 | break; |
434 | case AI_AO_Select: | |
435 | devpriv->ai_ao_select_reg &= ~bit_mask; | |
436 | devpriv->ai_ao_select_reg |= bit_values & bit_mask; | |
437 | ni_writeb(devpriv->ai_ao_select_reg, AI_AO_Select); | |
438 | break; | |
439 | case G0_G1_Select: | |
440 | devpriv->g0_g1_select_reg &= ~bit_mask; | |
441 | devpriv->g0_g1_select_reg |= bit_values & bit_mask; | |
442 | ni_writeb(devpriv->g0_g1_select_reg, G0_G1_Select); | |
443 | break; | |
444 | default: | |
0a85b6f0 | 445 | printk("Warning %s() called with invalid register\n", __func__); |
5f74ea14 | 446 | printk("reg is %d\n", reg); |
03aef4b6 DS |
447 | break; |
448 | } | |
449 | mmiowb(); | |
5f74ea14 | 450 | spin_unlock_irqrestore(&devpriv->soft_reg_copy_lock, flags); |
03aef4b6 DS |
451 | } |
452 | ||
453 | #ifdef PCIDMA | |
da91b269 | 454 | static int ni_ai_drain_dma(struct comedi_device *dev); |
03aef4b6 DS |
455 | |
456 | /* DMA channel setup */ | |
457 | ||
2696fb57 | 458 | /* negative channel means no channel */ |
da91b269 | 459 | static inline void ni_set_ai_dma_channel(struct comedi_device *dev, int channel) |
03aef4b6 DS |
460 | { |
461 | unsigned bitfield; | |
462 | ||
463 | if (channel >= 0) { | |
464 | bitfield = | |
0a85b6f0 MT |
465 | (ni_stc_dma_channel_select_bitfield(channel) << |
466 | AI_DMA_Select_Shift) & AI_DMA_Select_Mask; | |
03aef4b6 DS |
467 | } else { |
468 | bitfield = 0; | |
469 | } | |
470 | ni_set_bitfield(dev, AI_AO_Select, AI_DMA_Select_Mask, bitfield); | |
471 | } | |
472 | ||
2696fb57 | 473 | /* negative channel means no channel */ |
da91b269 | 474 | static inline void ni_set_ao_dma_channel(struct comedi_device *dev, int channel) |
03aef4b6 DS |
475 | { |
476 | unsigned bitfield; | |
477 | ||
478 | if (channel >= 0) { | |
479 | bitfield = | |
0a85b6f0 MT |
480 | (ni_stc_dma_channel_select_bitfield(channel) << |
481 | AO_DMA_Select_Shift) & AO_DMA_Select_Mask; | |
03aef4b6 DS |
482 | } else { |
483 | bitfield = 0; | |
484 | } | |
485 | ni_set_bitfield(dev, AI_AO_Select, AO_DMA_Select_Mask, bitfield); | |
486 | } | |
487 | ||
2696fb57 | 488 | /* negative mite_channel means no channel */ |
da91b269 | 489 | static inline void ni_set_gpct_dma_channel(struct comedi_device *dev, |
0a85b6f0 MT |
490 | unsigned gpct_index, |
491 | int mite_channel) | |
03aef4b6 DS |
492 | { |
493 | unsigned bitfield; | |
494 | ||
495 | if (mite_channel >= 0) { | |
496 | bitfield = GPCT_DMA_Select_Bits(gpct_index, mite_channel); | |
497 | } else { | |
498 | bitfield = 0; | |
499 | } | |
500 | ni_set_bitfield(dev, G0_G1_Select, GPCT_DMA_Select_Mask(gpct_index), | |
0a85b6f0 | 501 | bitfield); |
03aef4b6 DS |
502 | } |
503 | ||
2696fb57 | 504 | /* negative mite_channel means no channel */ |
0a85b6f0 MT |
505 | static inline void ni_set_cdo_dma_channel(struct comedi_device *dev, |
506 | int mite_channel) | |
03aef4b6 DS |
507 | { |
508 | unsigned long flags; | |
509 | ||
5f74ea14 | 510 | spin_lock_irqsave(&devpriv->soft_reg_copy_lock, flags); |
03aef4b6 DS |
511 | devpriv->cdio_dma_select_reg &= ~CDO_DMA_Select_Mask; |
512 | if (mite_channel >= 0) { | |
513 | /*XXX just guessing ni_stc_dma_channel_select_bitfield() returns the right bits, | |
514 | under the assumption the cdio dma selection works just like ai/ao/gpct. | |
515 | Definitely works for dma channels 0 and 1. */ | |
516 | devpriv->cdio_dma_select_reg |= | |
0a85b6f0 MT |
517 | (ni_stc_dma_channel_select_bitfield(mite_channel) << |
518 | CDO_DMA_Select_Shift) & CDO_DMA_Select_Mask; | |
03aef4b6 DS |
519 | } |
520 | ni_writeb(devpriv->cdio_dma_select_reg, M_Offset_CDIO_DMA_Select); | |
521 | mmiowb(); | |
5f74ea14 | 522 | spin_unlock_irqrestore(&devpriv->soft_reg_copy_lock, flags); |
03aef4b6 DS |
523 | } |
524 | ||
da91b269 | 525 | static int ni_request_ai_mite_channel(struct comedi_device *dev) |
03aef4b6 DS |
526 | { |
527 | unsigned long flags; | |
528 | ||
5f74ea14 | 529 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
530 | BUG_ON(devpriv->ai_mite_chan); |
531 | devpriv->ai_mite_chan = | |
0a85b6f0 | 532 | mite_request_channel(devpriv->mite, devpriv->ai_mite_ring); |
03aef4b6 | 533 | if (devpriv->ai_mite_chan == NULL) { |
0a85b6f0 | 534 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 | 535 | comedi_error(dev, |
0a85b6f0 | 536 | "failed to reserve mite dma channel for analog input."); |
03aef4b6 DS |
537 | return -EBUSY; |
538 | } | |
539 | devpriv->ai_mite_chan->dir = COMEDI_INPUT; | |
540 | ni_set_ai_dma_channel(dev, devpriv->ai_mite_chan->channel); | |
5f74ea14 | 541 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
542 | return 0; |
543 | } | |
544 | ||
da91b269 | 545 | static int ni_request_ao_mite_channel(struct comedi_device *dev) |
03aef4b6 DS |
546 | { |
547 | unsigned long flags; | |
548 | ||
5f74ea14 | 549 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
550 | BUG_ON(devpriv->ao_mite_chan); |
551 | devpriv->ao_mite_chan = | |
0a85b6f0 | 552 | mite_request_channel(devpriv->mite, devpriv->ao_mite_ring); |
03aef4b6 | 553 | if (devpriv->ao_mite_chan == NULL) { |
0a85b6f0 | 554 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 | 555 | comedi_error(dev, |
0a85b6f0 | 556 | "failed to reserve mite dma channel for analog outut."); |
03aef4b6 DS |
557 | return -EBUSY; |
558 | } | |
559 | devpriv->ao_mite_chan->dir = COMEDI_OUTPUT; | |
560 | ni_set_ao_dma_channel(dev, devpriv->ao_mite_chan->channel); | |
5f74ea14 | 561 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
562 | return 0; |
563 | } | |
564 | ||
da91b269 | 565 | static int ni_request_gpct_mite_channel(struct comedi_device *dev, |
0a85b6f0 MT |
566 | unsigned gpct_index, |
567 | enum comedi_io_direction direction) | |
03aef4b6 DS |
568 | { |
569 | unsigned long flags; | |
570 | struct mite_channel *mite_chan; | |
571 | ||
572 | BUG_ON(gpct_index >= NUM_GPCT); | |
5f74ea14 | 573 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
574 | BUG_ON(devpriv->counter_dev->counters[gpct_index].mite_chan); |
575 | mite_chan = | |
0a85b6f0 MT |
576 | mite_request_channel(devpriv->mite, |
577 | devpriv->gpct_mite_ring[gpct_index]); | |
03aef4b6 | 578 | if (mite_chan == NULL) { |
0a85b6f0 | 579 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 | 580 | comedi_error(dev, |
0a85b6f0 | 581 | "failed to reserve mite dma channel for counter."); |
03aef4b6 DS |
582 | return -EBUSY; |
583 | } | |
584 | mite_chan->dir = direction; | |
585 | ni_tio_set_mite_channel(&devpriv->counter_dev->counters[gpct_index], | |
0a85b6f0 | 586 | mite_chan); |
03aef4b6 | 587 | ni_set_gpct_dma_channel(dev, gpct_index, mite_chan->channel); |
5f74ea14 | 588 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
589 | return 0; |
590 | } | |
591 | ||
2696fb57 | 592 | #endif /* PCIDMA */ |
03aef4b6 | 593 | |
da91b269 | 594 | static int ni_request_cdo_mite_channel(struct comedi_device *dev) |
03aef4b6 DS |
595 | { |
596 | #ifdef PCIDMA | |
597 | unsigned long flags; | |
598 | ||
5f74ea14 | 599 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
600 | BUG_ON(devpriv->cdo_mite_chan); |
601 | devpriv->cdo_mite_chan = | |
0a85b6f0 | 602 | mite_request_channel(devpriv->mite, devpriv->cdo_mite_ring); |
03aef4b6 | 603 | if (devpriv->cdo_mite_chan == NULL) { |
0a85b6f0 | 604 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 | 605 | comedi_error(dev, |
0a85b6f0 | 606 | "failed to reserve mite dma channel for correlated digital outut."); |
03aef4b6 DS |
607 | return -EBUSY; |
608 | } | |
609 | devpriv->cdo_mite_chan->dir = COMEDI_OUTPUT; | |
610 | ni_set_cdo_dma_channel(dev, devpriv->cdo_mite_chan->channel); | |
5f74ea14 | 611 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
2696fb57 | 612 | #endif /* PCIDMA */ |
03aef4b6 DS |
613 | return 0; |
614 | } | |
615 | ||
da91b269 | 616 | static void ni_release_ai_mite_channel(struct comedi_device *dev) |
03aef4b6 DS |
617 | { |
618 | #ifdef PCIDMA | |
619 | unsigned long flags; | |
620 | ||
5f74ea14 | 621 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
622 | if (devpriv->ai_mite_chan) { |
623 | ni_set_ai_dma_channel(dev, -1); | |
624 | mite_release_channel(devpriv->ai_mite_chan); | |
625 | devpriv->ai_mite_chan = NULL; | |
626 | } | |
5f74ea14 | 627 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
2696fb57 | 628 | #endif /* PCIDMA */ |
03aef4b6 DS |
629 | } |
630 | ||
da91b269 | 631 | static void ni_release_ao_mite_channel(struct comedi_device *dev) |
03aef4b6 DS |
632 | { |
633 | #ifdef PCIDMA | |
634 | unsigned long flags; | |
635 | ||
5f74ea14 | 636 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
637 | if (devpriv->ao_mite_chan) { |
638 | ni_set_ao_dma_channel(dev, -1); | |
639 | mite_release_channel(devpriv->ao_mite_chan); | |
640 | devpriv->ao_mite_chan = NULL; | |
641 | } | |
5f74ea14 | 642 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
2696fb57 | 643 | #endif /* PCIDMA */ |
03aef4b6 DS |
644 | } |
645 | ||
0a85b6f0 MT |
646 | void ni_release_gpct_mite_channel(struct comedi_device *dev, |
647 | unsigned gpct_index) | |
03aef4b6 DS |
648 | { |
649 | #ifdef PCIDMA | |
650 | unsigned long flags; | |
651 | ||
652 | BUG_ON(gpct_index >= NUM_GPCT); | |
5f74ea14 | 653 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
654 | if (devpriv->counter_dev->counters[gpct_index].mite_chan) { |
655 | struct mite_channel *mite_chan = | |
0a85b6f0 | 656 | devpriv->counter_dev->counters[gpct_index].mite_chan; |
03aef4b6 DS |
657 | |
658 | ni_set_gpct_dma_channel(dev, gpct_index, -1); | |
0a85b6f0 MT |
659 | ni_tio_set_mite_channel(&devpriv-> |
660 | counter_dev->counters[gpct_index], | |
661 | NULL); | |
03aef4b6 DS |
662 | mite_release_channel(mite_chan); |
663 | } | |
5f74ea14 | 664 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
2696fb57 | 665 | #endif /* PCIDMA */ |
03aef4b6 DS |
666 | } |
667 | ||
da91b269 | 668 | static void ni_release_cdo_mite_channel(struct comedi_device *dev) |
03aef4b6 DS |
669 | { |
670 | #ifdef PCIDMA | |
671 | unsigned long flags; | |
672 | ||
5f74ea14 | 673 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
674 | if (devpriv->cdo_mite_chan) { |
675 | ni_set_cdo_dma_channel(dev, -1); | |
676 | mite_release_channel(devpriv->cdo_mite_chan); | |
677 | devpriv->cdo_mite_chan = NULL; | |
678 | } | |
5f74ea14 | 679 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
2696fb57 | 680 | #endif /* PCIDMA */ |
03aef4b6 DS |
681 | } |
682 | ||
2696fb57 | 683 | /* e-series boards use the second irq signals to generate dma requests for their counters */ |
03aef4b6 | 684 | #ifdef PCIDMA |
da91b269 | 685 | static void ni_e_series_enable_second_irq(struct comedi_device *dev, |
0a85b6f0 | 686 | unsigned gpct_index, short enable) |
03aef4b6 DS |
687 | { |
688 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
689 | return; | |
690 | switch (gpct_index) { | |
691 | case 0: | |
692 | if (enable) { | |
693 | devpriv->stc_writew(dev, G0_Gate_Second_Irq_Enable, | |
0a85b6f0 | 694 | Second_IRQ_A_Enable_Register); |
03aef4b6 DS |
695 | } else { |
696 | devpriv->stc_writew(dev, 0, | |
0a85b6f0 | 697 | Second_IRQ_A_Enable_Register); |
03aef4b6 DS |
698 | } |
699 | break; | |
700 | case 1: | |
701 | if (enable) { | |
702 | devpriv->stc_writew(dev, G1_Gate_Second_Irq_Enable, | |
0a85b6f0 | 703 | Second_IRQ_B_Enable_Register); |
03aef4b6 DS |
704 | } else { |
705 | devpriv->stc_writew(dev, 0, | |
0a85b6f0 | 706 | Second_IRQ_B_Enable_Register); |
03aef4b6 DS |
707 | } |
708 | break; | |
709 | default: | |
710 | BUG(); | |
711 | break; | |
712 | } | |
713 | } | |
2696fb57 | 714 | #endif /* PCIDMA */ |
03aef4b6 | 715 | |
da91b269 | 716 | static void ni_clear_ai_fifo(struct comedi_device *dev) |
03aef4b6 DS |
717 | { |
718 | if (boardtype.reg_type == ni_reg_6143) { | |
2696fb57 BP |
719 | /* Flush the 6143 data FIFO */ |
720 | ni_writel(0x10, AIFIFO_Control_6143); /* Flush fifo */ | |
721 | ni_writel(0x00, AIFIFO_Control_6143); /* Flush fifo */ | |
722 | while (ni_readl(AIFIFO_Status_6143) & 0x10) ; /* Wait for complete */ | |
03aef4b6 DS |
723 | } else { |
724 | devpriv->stc_writew(dev, 1, ADC_FIFO_Clear); | |
725 | if (boardtype.reg_type == ni_reg_625x) { | |
726 | ni_writeb(0, M_Offset_Static_AI_Control(0)); | |
727 | ni_writeb(1, M_Offset_Static_AI_Control(0)); | |
728 | #if 0 | |
729 | /* the NI example code does 3 convert pulses for 625x boards, | |
730 | but that appears to be wrong in practice. */ | |
731 | devpriv->stc_writew(dev, AI_CONVERT_Pulse, | |
0a85b6f0 | 732 | AI_Command_1_Register); |
03aef4b6 | 733 | devpriv->stc_writew(dev, AI_CONVERT_Pulse, |
0a85b6f0 | 734 | AI_Command_1_Register); |
03aef4b6 | 735 | devpriv->stc_writew(dev, AI_CONVERT_Pulse, |
0a85b6f0 | 736 | AI_Command_1_Register); |
03aef4b6 DS |
737 | #endif |
738 | } | |
739 | } | |
740 | } | |
741 | ||
da91b269 | 742 | static void win_out2(struct comedi_device *dev, uint32_t data, int reg) |
03aef4b6 DS |
743 | { |
744 | devpriv->stc_writew(dev, data >> 16, reg); | |
745 | devpriv->stc_writew(dev, data & 0xffff, reg + 1); | |
746 | } | |
747 | ||
da91b269 | 748 | static uint32_t win_in2(struct comedi_device *dev, int reg) |
03aef4b6 DS |
749 | { |
750 | uint32_t bits; | |
751 | bits = devpriv->stc_readw(dev, reg) << 16; | |
752 | bits |= devpriv->stc_readw(dev, reg + 1); | |
753 | return bits; | |
754 | } | |
755 | ||
f7cbd7aa | 756 | #define ao_win_out(data, addr) ni_ao_win_outw(dev, data, addr) |
0a85b6f0 MT |
757 | static inline void ni_ao_win_outw(struct comedi_device *dev, uint16_t data, |
758 | int addr) | |
03aef4b6 DS |
759 | { |
760 | unsigned long flags; | |
761 | ||
5f74ea14 | 762 | spin_lock_irqsave(&devpriv->window_lock, flags); |
03aef4b6 DS |
763 | ni_writew(addr, AO_Window_Address_611x); |
764 | ni_writew(data, AO_Window_Data_611x); | |
5f74ea14 | 765 | spin_unlock_irqrestore(&devpriv->window_lock, flags); |
03aef4b6 DS |
766 | } |
767 | ||
0a85b6f0 MT |
768 | static inline void ni_ao_win_outl(struct comedi_device *dev, uint32_t data, |
769 | int addr) | |
03aef4b6 DS |
770 | { |
771 | unsigned long flags; | |
772 | ||
5f74ea14 | 773 | spin_lock_irqsave(&devpriv->window_lock, flags); |
03aef4b6 DS |
774 | ni_writew(addr, AO_Window_Address_611x); |
775 | ni_writel(data, AO_Window_Data_611x); | |
5f74ea14 | 776 | spin_unlock_irqrestore(&devpriv->window_lock, flags); |
03aef4b6 DS |
777 | } |
778 | ||
da91b269 | 779 | static inline unsigned short ni_ao_win_inw(struct comedi_device *dev, int addr) |
03aef4b6 DS |
780 | { |
781 | unsigned long flags; | |
782 | unsigned short data; | |
783 | ||
5f74ea14 | 784 | spin_lock_irqsave(&devpriv->window_lock, flags); |
03aef4b6 DS |
785 | ni_writew(addr, AO_Window_Address_611x); |
786 | data = ni_readw(AO_Window_Data_611x); | |
5f74ea14 | 787 | spin_unlock_irqrestore(&devpriv->window_lock, flags); |
03aef4b6 DS |
788 | return data; |
789 | } | |
790 | ||
791 | /* ni_set_bits( ) allows different parts of the ni_mio_common driver to | |
792 | * share registers (such as Interrupt_A_Register) without interfering with | |
793 | * each other. | |
794 | * | |
795 | * NOTE: the switch/case statements are optimized out for a constant argument | |
796 | * so this is actually quite fast--- If you must wrap another function around this | |
797 | * make it inline to avoid a large speed penalty. | |
798 | * | |
799 | * value should only be 1 or 0. | |
800 | */ | |
0a85b6f0 MT |
801 | static inline void ni_set_bits(struct comedi_device *dev, int reg, |
802 | unsigned bits, unsigned value) | |
03aef4b6 DS |
803 | { |
804 | unsigned bit_values; | |
805 | ||
806 | if (value) | |
807 | bit_values = bits; | |
808 | else | |
809 | bit_values = 0; | |
810 | ni_set_bitfield(dev, reg, bits, bit_values); | |
811 | } | |
812 | ||
70265d24 | 813 | static irqreturn_t ni_E_interrupt(int irq, void *d) |
03aef4b6 | 814 | { |
71b5f4f1 | 815 | struct comedi_device *dev = d; |
03aef4b6 DS |
816 | unsigned short a_status; |
817 | unsigned short b_status; | |
818 | unsigned int ai_mite_status = 0; | |
819 | unsigned int ao_mite_status = 0; | |
820 | unsigned long flags; | |
821 | #ifdef PCIDMA | |
822 | struct mite_struct *mite = devpriv->mite; | |
823 | #endif | |
824 | ||
825 | if (dev->attached == 0) | |
826 | return IRQ_NONE; | |
2696fb57 | 827 | smp_mb(); /* make sure dev->attached is checked before handler does anything else. */ |
03aef4b6 | 828 | |
2696fb57 | 829 | /* lock to avoid race with comedi_poll */ |
5f74ea14 | 830 | spin_lock_irqsave(&dev->spinlock, flags); |
03aef4b6 DS |
831 | a_status = devpriv->stc_readw(dev, AI_Status_1_Register); |
832 | b_status = devpriv->stc_readw(dev, AO_Status_1_Register); | |
833 | #ifdef PCIDMA | |
834 | if (mite) { | |
835 | unsigned long flags_too; | |
836 | ||
5f74ea14 | 837 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags_too); |
03aef4b6 DS |
838 | if (devpriv->ai_mite_chan) { |
839 | ai_mite_status = mite_get_status(devpriv->ai_mite_chan); | |
840 | if (ai_mite_status & CHSR_LINKC) | |
841 | writel(CHOR_CLRLC, | |
0a85b6f0 MT |
842 | devpriv->mite->mite_io_addr + |
843 | MITE_CHOR(devpriv-> | |
844 | ai_mite_chan->channel)); | |
03aef4b6 DS |
845 | } |
846 | if (devpriv->ao_mite_chan) { | |
847 | ao_mite_status = mite_get_status(devpriv->ao_mite_chan); | |
848 | if (ao_mite_status & CHSR_LINKC) | |
849 | writel(CHOR_CLRLC, | |
0a85b6f0 MT |
850 | mite->mite_io_addr + |
851 | MITE_CHOR(devpriv-> | |
852 | ao_mite_chan->channel)); | |
03aef4b6 | 853 | } |
5f74ea14 | 854 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags_too); |
03aef4b6 DS |
855 | } |
856 | #endif | |
857 | ack_a_interrupt(dev, a_status); | |
858 | ack_b_interrupt(dev, b_status); | |
859 | if ((a_status & Interrupt_A_St) || (ai_mite_status & CHSR_INT)) | |
860 | handle_a_interrupt(dev, a_status, ai_mite_status); | |
861 | if ((b_status & Interrupt_B_St) || (ao_mite_status & CHSR_INT)) | |
862 | handle_b_interrupt(dev, b_status, ao_mite_status); | |
863 | handle_gpct_interrupt(dev, 0); | |
864 | handle_gpct_interrupt(dev, 1); | |
865 | handle_cdio_interrupt(dev); | |
866 | ||
5f74ea14 | 867 | spin_unlock_irqrestore(&dev->spinlock, flags); |
03aef4b6 DS |
868 | return IRQ_HANDLED; |
869 | } | |
870 | ||
871 | #ifdef PCIDMA | |
da91b269 | 872 | static void ni_sync_ai_dma(struct comedi_device *dev) |
03aef4b6 | 873 | { |
34c43922 | 874 | struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV; |
03aef4b6 DS |
875 | unsigned long flags; |
876 | ||
5f74ea14 | 877 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
878 | if (devpriv->ai_mite_chan) |
879 | mite_sync_input_dma(devpriv->ai_mite_chan, s->async); | |
5f74ea14 | 880 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
881 | } |
882 | ||
0a85b6f0 MT |
883 | static void mite_handle_b_linkc(struct mite_struct *mite, |
884 | struct comedi_device *dev) | |
03aef4b6 | 885 | { |
34c43922 | 886 | struct comedi_subdevice *s = dev->subdevices + NI_AO_SUBDEV; |
03aef4b6 DS |
887 | unsigned long flags; |
888 | ||
5f74ea14 | 889 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
890 | if (devpriv->ao_mite_chan) { |
891 | mite_sync_output_dma(devpriv->ao_mite_chan, s->async); | |
892 | } | |
5f74ea14 | 893 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
894 | } |
895 | ||
da91b269 | 896 | static int ni_ao_wait_for_dma_load(struct comedi_device *dev) |
03aef4b6 DS |
897 | { |
898 | static const int timeout = 10000; | |
899 | int i; | |
900 | for (i = 0; i < timeout; i++) { | |
901 | unsigned short b_status; | |
902 | ||
903 | b_status = devpriv->stc_readw(dev, AO_Status_1_Register); | |
904 | if (b_status & AO_FIFO_Half_Full_St) | |
905 | break; | |
906 | /* if we poll too often, the pci bus activity seems | |
907 | to slow the dma transfer down */ | |
5f74ea14 | 908 | udelay(10); |
03aef4b6 DS |
909 | } |
910 | if (i == timeout) { | |
911 | comedi_error(dev, "timed out waiting for dma load"); | |
912 | return -EPIPE; | |
913 | } | |
914 | return 0; | |
915 | } | |
916 | ||
2696fb57 | 917 | #endif /* PCIDMA */ |
da91b269 | 918 | static void ni_handle_eos(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 DS |
919 | { |
920 | if (devpriv->aimode == AIMODE_SCAN) { | |
921 | #ifdef PCIDMA | |
922 | static const int timeout = 10; | |
923 | int i; | |
924 | ||
925 | for (i = 0; i < timeout; i++) { | |
926 | ni_sync_ai_dma(dev); | |
927 | if ((s->async->events & COMEDI_CB_EOS)) | |
928 | break; | |
5f74ea14 | 929 | udelay(1); |
03aef4b6 DS |
930 | } |
931 | #else | |
932 | ni_handle_fifo_dregs(dev); | |
933 | s->async->events |= COMEDI_CB_EOS; | |
934 | #endif | |
935 | } | |
936 | /* handle special case of single scan using AI_End_On_End_Of_Scan */ | |
937 | if ((devpriv->ai_cmd2 & AI_End_On_End_Of_Scan)) { | |
938 | shutdown_ai_command(dev); | |
939 | } | |
940 | } | |
941 | ||
da91b269 | 942 | static void shutdown_ai_command(struct comedi_device *dev) |
03aef4b6 | 943 | { |
34c43922 | 944 | struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV; |
03aef4b6 DS |
945 | |
946 | #ifdef PCIDMA | |
947 | ni_ai_drain_dma(dev); | |
948 | #endif | |
949 | ni_handle_fifo_dregs(dev); | |
950 | get_last_sample_611x(dev); | |
951 | get_last_sample_6143(dev); | |
952 | ||
953 | s->async->events |= COMEDI_CB_EOA; | |
954 | } | |
955 | ||
da91b269 | 956 | static void ni_event(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 | 957 | { |
0a85b6f0 MT |
958 | if (s-> |
959 | async->events & (COMEDI_CB_ERROR | COMEDI_CB_OVERFLOW | | |
960 | COMEDI_CB_EOA)) { | |
03aef4b6 DS |
961 | switch (s - dev->subdevices) { |
962 | case NI_AI_SUBDEV: | |
963 | ni_ai_reset(dev, s); | |
964 | break; | |
965 | case NI_AO_SUBDEV: | |
966 | ni_ao_reset(dev, s); | |
967 | break; | |
968 | case NI_GPCT0_SUBDEV: | |
969 | case NI_GPCT1_SUBDEV: | |
970 | ni_gpct_cancel(dev, s); | |
971 | break; | |
972 | case NI_DIO_SUBDEV: | |
973 | ni_cdio_cancel(dev, s); | |
974 | break; | |
975 | default: | |
976 | break; | |
977 | } | |
978 | } | |
979 | comedi_event(dev, s); | |
980 | } | |
981 | ||
da91b269 | 982 | static void handle_gpct_interrupt(struct comedi_device *dev, |
0a85b6f0 | 983 | unsigned short counter_index) |
03aef4b6 DS |
984 | { |
985 | #ifdef PCIDMA | |
0a85b6f0 MT |
986 | struct comedi_subdevice *s = |
987 | dev->subdevices + NI_GPCT_SUBDEV(counter_index); | |
03aef4b6 DS |
988 | |
989 | ni_tio_handle_interrupt(&devpriv->counter_dev->counters[counter_index], | |
0a85b6f0 | 990 | s); |
03aef4b6 DS |
991 | if (s->async->events) |
992 | ni_event(dev, s); | |
993 | #endif | |
994 | } | |
995 | ||
da91b269 | 996 | static void ack_a_interrupt(struct comedi_device *dev, unsigned short a_status) |
03aef4b6 DS |
997 | { |
998 | unsigned short ack = 0; | |
999 | ||
1000 | if (a_status & AI_SC_TC_St) { | |
1001 | ack |= AI_SC_TC_Interrupt_Ack; | |
1002 | } | |
1003 | if (a_status & AI_START1_St) { | |
1004 | ack |= AI_START1_Interrupt_Ack; | |
1005 | } | |
1006 | if (a_status & AI_START_St) { | |
1007 | ack |= AI_START_Interrupt_Ack; | |
1008 | } | |
1009 | if (a_status & AI_STOP_St) { | |
1010 | /* not sure why we used to ack the START here also, instead of doing it independently. Frank Hess 2007-07-06 */ | |
1011 | ack |= AI_STOP_Interrupt_Ack /*| AI_START_Interrupt_Ack */ ; | |
1012 | } | |
1013 | if (ack) | |
1014 | devpriv->stc_writew(dev, ack, Interrupt_A_Ack_Register); | |
1015 | } | |
1016 | ||
da91b269 | 1017 | static void handle_a_interrupt(struct comedi_device *dev, unsigned short status, |
0a85b6f0 | 1018 | unsigned ai_mite_status) |
03aef4b6 | 1019 | { |
34c43922 | 1020 | struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV; |
03aef4b6 | 1021 | |
2696fb57 | 1022 | /* 67xx boards don't have ai subdevice, but their gpct0 might generate an a interrupt */ |
03aef4b6 DS |
1023 | if (s->type == COMEDI_SUBD_UNUSED) |
1024 | return; | |
1025 | ||
1026 | #ifdef DEBUG_INTERRUPT | |
5f74ea14 | 1027 | printk |
0a85b6f0 MT |
1028 | ("ni_mio_common: interrupt: a_status=%04x ai_mite_status=%08x\n", |
1029 | status, ai_mite_status); | |
03aef4b6 DS |
1030 | ni_mio_print_status_a(status); |
1031 | #endif | |
1032 | #ifdef PCIDMA | |
1033 | if (ai_mite_status & CHSR_LINKC) { | |
1034 | ni_sync_ai_dma(dev); | |
1035 | } | |
1036 | ||
1037 | if (ai_mite_status & ~(CHSR_INT | CHSR_LINKC | CHSR_DONE | CHSR_MRDY | | |
0a85b6f0 MT |
1038 | CHSR_DRDY | CHSR_DRQ1 | CHSR_DRQ0 | CHSR_ERROR | |
1039 | CHSR_SABORT | CHSR_XFERR | CHSR_LxERR_mask)) { | |
5f74ea14 | 1040 | printk |
0a85b6f0 MT |
1041 | ("unknown mite interrupt, ack! (ai_mite_status=%08x)\n", |
1042 | ai_mite_status); | |
2696fb57 | 1043 | /* mite_print_chsr(ai_mite_status); */ |
03aef4b6 | 1044 | s->async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA; |
2696fb57 | 1045 | /* disable_irq(dev->irq); */ |
03aef4b6 DS |
1046 | } |
1047 | #endif | |
1048 | ||
1049 | /* test for all uncommon interrupt events at the same time */ | |
1050 | if (status & (AI_Overrun_St | AI_Overflow_St | AI_SC_TC_Error_St | | |
0a85b6f0 | 1051 | AI_SC_TC_St | AI_START1_St)) { |
03aef4b6 | 1052 | if (status == 0xffff) { |
5f74ea14 | 1053 | printk |
0a85b6f0 | 1054 | ("ni_mio_common: a_status=0xffff. Card removed?\n"); |
03aef4b6 DS |
1055 | /* we probably aren't even running a command now, |
1056 | * so it's a good idea to be careful. */ | |
1057 | if (comedi_get_subdevice_runflags(s) & SRF_RUNNING) { | |
1058 | s->async->events |= | |
0a85b6f0 | 1059 | COMEDI_CB_ERROR | COMEDI_CB_EOA; |
03aef4b6 DS |
1060 | ni_event(dev, s); |
1061 | } | |
1062 | return; | |
1063 | } | |
1064 | if (status & (AI_Overrun_St | AI_Overflow_St | | |
0a85b6f0 | 1065 | AI_SC_TC_Error_St)) { |
5f74ea14 | 1066 | printk("ni_mio_common: ai error a_status=%04x\n", |
0a85b6f0 | 1067 | status); |
03aef4b6 DS |
1068 | ni_mio_print_status_a(status); |
1069 | ||
1070 | shutdown_ai_command(dev); | |
1071 | ||
1072 | s->async->events |= COMEDI_CB_ERROR; | |
1073 | if (status & (AI_Overrun_St | AI_Overflow_St)) | |
1074 | s->async->events |= COMEDI_CB_OVERFLOW; | |
1075 | ||
1076 | ni_event(dev, s); | |
1077 | ||
1078 | return; | |
1079 | } | |
1080 | if (status & AI_SC_TC_St) { | |
1081 | #ifdef DEBUG_INTERRUPT | |
5f74ea14 | 1082 | printk("ni_mio_common: SC_TC interrupt\n"); |
03aef4b6 DS |
1083 | #endif |
1084 | if (!devpriv->ai_continuous) { | |
1085 | shutdown_ai_command(dev); | |
1086 | } | |
1087 | } | |
1088 | } | |
1089 | #ifndef PCIDMA | |
1090 | if (status & AI_FIFO_Half_Full_St) { | |
1091 | int i; | |
1092 | static const int timeout = 10; | |
1093 | /* pcmcia cards (at least 6036) seem to stop producing interrupts if we | |
1094 | *fail to get the fifo less than half full, so loop to be sure.*/ | |
1095 | for (i = 0; i < timeout; ++i) { | |
1096 | ni_handle_fifo_half_full(dev); | |
1097 | if ((devpriv->stc_readw(dev, | |
1098 | AI_Status_1_Register) & | |
0a85b6f0 | 1099 | AI_FIFO_Half_Full_St) == 0) |
03aef4b6 DS |
1100 | break; |
1101 | } | |
1102 | } | |
2696fb57 | 1103 | #endif /* !PCIDMA */ |
03aef4b6 DS |
1104 | |
1105 | if ((status & AI_STOP_St)) { | |
1106 | ni_handle_eos(dev, s); | |
1107 | } | |
1108 | ||
1109 | ni_event(dev, s); | |
1110 | ||
1111 | #ifdef DEBUG_INTERRUPT | |
1112 | status = devpriv->stc_readw(dev, AI_Status_1_Register); | |
1113 | if (status & Interrupt_A_St) { | |
5f74ea14 | 1114 | printk |
0a85b6f0 MT |
1115 | ("handle_a_interrupt: didn't clear interrupt? status=0x%x\n", |
1116 | status); | |
03aef4b6 DS |
1117 | } |
1118 | #endif | |
1119 | } | |
1120 | ||
da91b269 | 1121 | static void ack_b_interrupt(struct comedi_device *dev, unsigned short b_status) |
03aef4b6 DS |
1122 | { |
1123 | unsigned short ack = 0; | |
1124 | if (b_status & AO_BC_TC_St) { | |
1125 | ack |= AO_BC_TC_Interrupt_Ack; | |
1126 | } | |
1127 | if (b_status & AO_Overrun_St) { | |
1128 | ack |= AO_Error_Interrupt_Ack; | |
1129 | } | |
1130 | if (b_status & AO_START_St) { | |
1131 | ack |= AO_START_Interrupt_Ack; | |
1132 | } | |
1133 | if (b_status & AO_START1_St) { | |
1134 | ack |= AO_START1_Interrupt_Ack; | |
1135 | } | |
1136 | if (b_status & AO_UC_TC_St) { | |
1137 | ack |= AO_UC_TC_Interrupt_Ack; | |
1138 | } | |
1139 | if (b_status & AO_UI2_TC_St) { | |
1140 | ack |= AO_UI2_TC_Interrupt_Ack; | |
1141 | } | |
1142 | if (b_status & AO_UPDATE_St) { | |
1143 | ack |= AO_UPDATE_Interrupt_Ack; | |
1144 | } | |
1145 | if (ack) | |
1146 | devpriv->stc_writew(dev, ack, Interrupt_B_Ack_Register); | |
1147 | } | |
1148 | ||
0a85b6f0 MT |
1149 | static void handle_b_interrupt(struct comedi_device *dev, |
1150 | unsigned short b_status, unsigned ao_mite_status) | |
03aef4b6 | 1151 | { |
34c43922 | 1152 | struct comedi_subdevice *s = dev->subdevices + NI_AO_SUBDEV; |
2696fb57 | 1153 | /* unsigned short ack=0; */ |
03aef4b6 | 1154 | #ifdef DEBUG_INTERRUPT |
5f74ea14 | 1155 | printk("ni_mio_common: interrupt: b_status=%04x m1_status=%08x\n", |
0a85b6f0 | 1156 | b_status, ao_mite_status); |
03aef4b6 DS |
1157 | ni_mio_print_status_b(b_status); |
1158 | #endif | |
1159 | ||
1160 | #ifdef PCIDMA | |
1161 | /* Currently, mite.c requires us to handle LINKC */ | |
1162 | if (ao_mite_status & CHSR_LINKC) { | |
1163 | mite_handle_b_linkc(devpriv->mite, dev); | |
1164 | } | |
1165 | ||
1166 | if (ao_mite_status & ~(CHSR_INT | CHSR_LINKC | CHSR_DONE | CHSR_MRDY | | |
0a85b6f0 MT |
1167 | CHSR_DRDY | CHSR_DRQ1 | CHSR_DRQ0 | CHSR_ERROR | |
1168 | CHSR_SABORT | CHSR_XFERR | CHSR_LxERR_mask)) { | |
5f74ea14 | 1169 | printk |
0a85b6f0 MT |
1170 | ("unknown mite interrupt, ack! (ao_mite_status=%08x)\n", |
1171 | ao_mite_status); | |
2696fb57 | 1172 | /* mite_print_chsr(ao_mite_status); */ |
03aef4b6 DS |
1173 | s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR; |
1174 | } | |
1175 | #endif | |
1176 | ||
1177 | if (b_status == 0xffff) | |
1178 | return; | |
1179 | if (b_status & AO_Overrun_St) { | |
5f74ea14 | 1180 | printk |
0a85b6f0 MT |
1181 | ("ni_mio_common: AO FIFO underrun status=0x%04x status2=0x%04x\n", |
1182 | b_status, devpriv->stc_readw(dev, AO_Status_2_Register)); | |
03aef4b6 DS |
1183 | s->async->events |= COMEDI_CB_OVERFLOW; |
1184 | } | |
1185 | ||
1186 | if (b_status & AO_BC_TC_St) { | |
0a85b6f0 MT |
1187 | MDPRINTK |
1188 | ("ni_mio_common: AO BC_TC status=0x%04x status2=0x%04x\n", | |
1189 | b_status, devpriv->stc_readw(dev, AO_Status_2_Register)); | |
03aef4b6 DS |
1190 | s->async->events |= COMEDI_CB_EOA; |
1191 | } | |
1192 | #ifndef PCIDMA | |
1193 | if (b_status & AO_FIFO_Request_St) { | |
1194 | int ret; | |
1195 | ||
1196 | ret = ni_ao_fifo_half_empty(dev, s); | |
1197 | if (!ret) { | |
5f74ea14 | 1198 | printk("ni_mio_common: AO buffer underrun\n"); |
03aef4b6 | 1199 | ni_set_bits(dev, Interrupt_B_Enable_Register, |
0a85b6f0 MT |
1200 | AO_FIFO_Interrupt_Enable | |
1201 | AO_Error_Interrupt_Enable, 0); | |
03aef4b6 DS |
1202 | s->async->events |= COMEDI_CB_OVERFLOW; |
1203 | } | |
1204 | } | |
1205 | #endif | |
1206 | ||
1207 | ni_event(dev, s); | |
1208 | } | |
1209 | ||
1210 | #ifdef DEBUG_STATUS_A | |
1211 | static const char *const status_a_strings[] = { | |
1212 | "passthru0", "fifo", "G0_gate", "G0_TC", | |
1213 | "stop", "start", "sc_tc", "start1", | |
1214 | "start2", "sc_tc_error", "overflow", "overrun", | |
1215 | "fifo_empty", "fifo_half_full", "fifo_full", "interrupt_a" | |
1216 | }; | |
1217 | ||
1218 | static void ni_mio_print_status_a(int status) | |
1219 | { | |
1220 | int i; | |
1221 | ||
5f74ea14 | 1222 | printk("A status:"); |
03aef4b6 DS |
1223 | for (i = 15; i >= 0; i--) { |
1224 | if (status & (1 << i)) { | |
5f74ea14 | 1225 | printk(" %s", status_a_strings[i]); |
03aef4b6 DS |
1226 | } |
1227 | } | |
5f74ea14 | 1228 | printk("\n"); |
03aef4b6 DS |
1229 | } |
1230 | #endif | |
1231 | ||
1232 | #ifdef DEBUG_STATUS_B | |
1233 | static const char *const status_b_strings[] = { | |
1234 | "passthru1", "fifo", "G1_gate", "G1_TC", | |
1235 | "UI2_TC", "UPDATE", "UC_TC", "BC_TC", | |
1236 | "start1", "overrun", "start", "bc_tc_error", | |
1237 | "fifo_empty", "fifo_half_full", "fifo_full", "interrupt_b" | |
1238 | }; | |
1239 | ||
1240 | static void ni_mio_print_status_b(int status) | |
1241 | { | |
1242 | int i; | |
1243 | ||
5f74ea14 | 1244 | printk("B status:"); |
03aef4b6 DS |
1245 | for (i = 15; i >= 0; i--) { |
1246 | if (status & (1 << i)) { | |
5f74ea14 | 1247 | printk(" %s", status_b_strings[i]); |
03aef4b6 DS |
1248 | } |
1249 | } | |
5f74ea14 | 1250 | printk("\n"); |
03aef4b6 DS |
1251 | } |
1252 | #endif | |
1253 | ||
1254 | #ifndef PCIDMA | |
1255 | ||
0a85b6f0 MT |
1256 | static void ni_ao_fifo_load(struct comedi_device *dev, |
1257 | struct comedi_subdevice *s, int n) | |
03aef4b6 | 1258 | { |
d163679c | 1259 | struct comedi_async *async = s->async; |
ea6d0d4c | 1260 | struct comedi_cmd *cmd = &async->cmd; |
03aef4b6 DS |
1261 | int chan; |
1262 | int i; | |
790c5541 | 1263 | short d; |
03aef4b6 DS |
1264 | u32 packed_data; |
1265 | int range; | |
1266 | int err = 1; | |
1267 | ||
1268 | chan = async->cur_chan; | |
1269 | for (i = 0; i < n; i++) { | |
1270 | err &= comedi_buf_get(async, &d); | |
1271 | if (err == 0) | |
1272 | break; | |
1273 | ||
1274 | range = CR_RANGE(cmd->chanlist[chan]); | |
1275 | ||
1276 | if (boardtype.reg_type & ni_reg_6xxx_mask) { | |
1277 | packed_data = d & 0xffff; | |
1278 | /* 6711 only has 16 bit wide ao fifo */ | |
1279 | if (boardtype.reg_type != ni_reg_6711) { | |
1280 | err &= comedi_buf_get(async, &d); | |
1281 | if (err == 0) | |
1282 | break; | |
1283 | chan++; | |
1284 | i++; | |
1285 | packed_data |= (d << 16) & 0xffff0000; | |
1286 | } | |
1287 | ni_writel(packed_data, DAC_FIFO_Data_611x); | |
1288 | } else { | |
1289 | ni_writew(d, DAC_FIFO_Data); | |
1290 | } | |
1291 | chan++; | |
1292 | chan %= cmd->chanlist_len; | |
1293 | } | |
1294 | async->cur_chan = chan; | |
1295 | if (err == 0) { | |
1296 | async->events |= COMEDI_CB_OVERFLOW; | |
1297 | } | |
1298 | } | |
1299 | ||
1300 | /* | |
1301 | * There's a small problem if the FIFO gets really low and we | |
1302 | * don't have the data to fill it. Basically, if after we fill | |
1303 | * the FIFO with all the data available, the FIFO is _still_ | |
1304 | * less than half full, we never clear the interrupt. If the | |
1305 | * IRQ is in edge mode, we never get another interrupt, because | |
1306 | * this one wasn't cleared. If in level mode, we get flooded | |
1307 | * with interrupts that we can't fulfill, because nothing ever | |
1308 | * gets put into the buffer. | |
1309 | * | |
1310 | * This kind of situation is recoverable, but it is easier to | |
1311 | * just pretend we had a FIFO underrun, since there is a good | |
1312 | * chance it will happen anyway. This is _not_ the case for | |
1313 | * RT code, as RT code might purposely be running close to the | |
1314 | * metal. Needs to be fixed eventually. | |
1315 | */ | |
0a85b6f0 MT |
1316 | static int ni_ao_fifo_half_empty(struct comedi_device *dev, |
1317 | struct comedi_subdevice *s) | |
03aef4b6 DS |
1318 | { |
1319 | int n; | |
1320 | ||
1321 | n = comedi_buf_read_n_available(s->async); | |
1322 | if (n == 0) { | |
1323 | s->async->events |= COMEDI_CB_OVERFLOW; | |
1324 | return 0; | |
1325 | } | |
1326 | ||
790c5541 | 1327 | n /= sizeof(short); |
03aef4b6 DS |
1328 | if (n > boardtype.ao_fifo_depth / 2) |
1329 | n = boardtype.ao_fifo_depth / 2; | |
1330 | ||
1331 | ni_ao_fifo_load(dev, s, n); | |
1332 | ||
1333 | s->async->events |= COMEDI_CB_BLOCK; | |
1334 | ||
1335 | return 1; | |
1336 | } | |
1337 | ||
0a85b6f0 MT |
1338 | static int ni_ao_prep_fifo(struct comedi_device *dev, |
1339 | struct comedi_subdevice *s) | |
03aef4b6 DS |
1340 | { |
1341 | int n; | |
1342 | ||
1343 | /* reset fifo */ | |
1344 | devpriv->stc_writew(dev, 1, DAC_FIFO_Clear); | |
1345 | if (boardtype.reg_type & ni_reg_6xxx_mask) | |
1346 | ni_ao_win_outl(dev, 0x6, AO_FIFO_Offset_Load_611x); | |
1347 | ||
1348 | /* load some data */ | |
1349 | n = comedi_buf_read_n_available(s->async); | |
1350 | if (n == 0) | |
1351 | return 0; | |
1352 | ||
790c5541 | 1353 | n /= sizeof(short); |
03aef4b6 DS |
1354 | if (n > boardtype.ao_fifo_depth) |
1355 | n = boardtype.ao_fifo_depth; | |
1356 | ||
1357 | ni_ao_fifo_load(dev, s, n); | |
1358 | ||
1359 | return n; | |
1360 | } | |
1361 | ||
0a85b6f0 MT |
1362 | static void ni_ai_fifo_read(struct comedi_device *dev, |
1363 | struct comedi_subdevice *s, int n) | |
03aef4b6 | 1364 | { |
d163679c | 1365 | struct comedi_async *async = s->async; |
03aef4b6 DS |
1366 | int i; |
1367 | ||
1368 | if (boardtype.reg_type == ni_reg_611x) { | |
790c5541 | 1369 | short data[2]; |
03aef4b6 DS |
1370 | u32 dl; |
1371 | ||
1372 | for (i = 0; i < n / 2; i++) { | |
1373 | dl = ni_readl(ADC_FIFO_Data_611x); | |
1374 | /* This may get the hi/lo data in the wrong order */ | |
1375 | data[0] = (dl >> 16) & 0xffff; | |
1376 | data[1] = dl & 0xffff; | |
1377 | cfc_write_array_to_buffer(s, data, sizeof(data)); | |
1378 | } | |
1379 | /* Check if there's a single sample stuck in the FIFO */ | |
1380 | if (n % 2) { | |
1381 | dl = ni_readl(ADC_FIFO_Data_611x); | |
1382 | data[0] = dl & 0xffff; | |
1383 | cfc_write_to_buffer(s, data[0]); | |
1384 | } | |
1385 | } else if (boardtype.reg_type == ni_reg_6143) { | |
790c5541 | 1386 | short data[2]; |
03aef4b6 DS |
1387 | u32 dl; |
1388 | ||
2696fb57 | 1389 | /* This just reads the FIFO assuming the data is present, no checks on the FIFO status are performed */ |
03aef4b6 DS |
1390 | for (i = 0; i < n / 2; i++) { |
1391 | dl = ni_readl(AIFIFO_Data_6143); | |
1392 | ||
1393 | data[0] = (dl >> 16) & 0xffff; | |
1394 | data[1] = dl & 0xffff; | |
1395 | cfc_write_array_to_buffer(s, data, sizeof(data)); | |
1396 | } | |
1397 | if (n % 2) { | |
1398 | /* Assume there is a single sample stuck in the FIFO */ | |
2696fb57 | 1399 | ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */ |
03aef4b6 DS |
1400 | dl = ni_readl(AIFIFO_Data_6143); |
1401 | data[0] = (dl >> 16) & 0xffff; | |
1402 | cfc_write_to_buffer(s, data[0]); | |
1403 | } | |
1404 | } else { | |
1405 | if (n > sizeof(devpriv->ai_fifo_buffer) / | |
0a85b6f0 | 1406 | sizeof(devpriv->ai_fifo_buffer[0])) { |
03aef4b6 DS |
1407 | comedi_error(dev, "bug! ai_fifo_buffer too small"); |
1408 | async->events |= COMEDI_CB_ERROR; | |
1409 | return; | |
1410 | } | |
1411 | for (i = 0; i < n; i++) { | |
1412 | devpriv->ai_fifo_buffer[i] = | |
0a85b6f0 | 1413 | ni_readw(ADC_FIFO_Data_Register); |
03aef4b6 DS |
1414 | } |
1415 | cfc_write_array_to_buffer(s, devpriv->ai_fifo_buffer, | |
0a85b6f0 MT |
1416 | n * |
1417 | sizeof(devpriv->ai_fifo_buffer[0])); | |
03aef4b6 DS |
1418 | } |
1419 | } | |
1420 | ||
da91b269 | 1421 | static void ni_handle_fifo_half_full(struct comedi_device *dev) |
03aef4b6 DS |
1422 | { |
1423 | int n; | |
34c43922 | 1424 | struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV; |
03aef4b6 DS |
1425 | |
1426 | n = boardtype.ai_fifo_depth / 2; | |
1427 | ||
1428 | ni_ai_fifo_read(dev, s, n); | |
1429 | } | |
1430 | #endif | |
1431 | ||
1432 | #ifdef PCIDMA | |
da91b269 | 1433 | static int ni_ai_drain_dma(struct comedi_device *dev) |
03aef4b6 DS |
1434 | { |
1435 | int i; | |
1436 | static const int timeout = 10000; | |
1437 | unsigned long flags; | |
1438 | int retval = 0; | |
1439 | ||
5f74ea14 | 1440 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
1441 | if (devpriv->ai_mite_chan) { |
1442 | for (i = 0; i < timeout; i++) { | |
1443 | if ((devpriv->stc_readw(dev, | |
1444 | AI_Status_1_Register) & | |
0a85b6f0 MT |
1445 | AI_FIFO_Empty_St) |
1446 | && mite_bytes_in_transit(devpriv->ai_mite_chan) == | |
1447 | 0) | |
03aef4b6 | 1448 | break; |
5f74ea14 | 1449 | udelay(5); |
03aef4b6 DS |
1450 | } |
1451 | if (i == timeout) { | |
0a85b6f0 | 1452 | printk("ni_mio_common: wait for dma drain timed out\n"); |
5f74ea14 | 1453 | printk |
0a85b6f0 MT |
1454 | ("mite_bytes_in_transit=%i, AI_Status1_Register=0x%x\n", |
1455 | mite_bytes_in_transit(devpriv->ai_mite_chan), | |
1456 | devpriv->stc_readw(dev, AI_Status_1_Register)); | |
03aef4b6 DS |
1457 | retval = -1; |
1458 | } | |
1459 | } | |
5f74ea14 | 1460 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
1461 | |
1462 | ni_sync_ai_dma(dev); | |
1463 | ||
1464 | return retval; | |
1465 | } | |
1466 | #endif | |
1467 | /* | |
1468 | Empties the AI fifo | |
1469 | */ | |
da91b269 | 1470 | static void ni_handle_fifo_dregs(struct comedi_device *dev) |
03aef4b6 | 1471 | { |
34c43922 | 1472 | struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV; |
790c5541 | 1473 | short data[2]; |
03aef4b6 DS |
1474 | u32 dl; |
1475 | short fifo_empty; | |
1476 | int i; | |
1477 | ||
1478 | if (boardtype.reg_type == ni_reg_611x) { | |
1479 | while ((devpriv->stc_readw(dev, | |
0a85b6f0 MT |
1480 | AI_Status_1_Register) & |
1481 | AI_FIFO_Empty_St) == 0) { | |
03aef4b6 DS |
1482 | dl = ni_readl(ADC_FIFO_Data_611x); |
1483 | ||
1484 | /* This may get the hi/lo data in the wrong order */ | |
1485 | data[0] = (dl >> 16); | |
1486 | data[1] = (dl & 0xffff); | |
1487 | cfc_write_array_to_buffer(s, data, sizeof(data)); | |
1488 | } | |
1489 | } else if (boardtype.reg_type == ni_reg_6143) { | |
1490 | i = 0; | |
1491 | while (ni_readl(AIFIFO_Status_6143) & 0x04) { | |
1492 | dl = ni_readl(AIFIFO_Data_6143); | |
1493 | ||
1494 | /* This may get the hi/lo data in the wrong order */ | |
1495 | data[0] = (dl >> 16); | |
1496 | data[1] = (dl & 0xffff); | |
1497 | cfc_write_array_to_buffer(s, data, sizeof(data)); | |
1498 | i += 2; | |
1499 | } | |
2696fb57 | 1500 | /* Check if stranded sample is present */ |
03aef4b6 | 1501 | if (ni_readl(AIFIFO_Status_6143) & 0x01) { |
2696fb57 | 1502 | ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */ |
03aef4b6 DS |
1503 | dl = ni_readl(AIFIFO_Data_6143); |
1504 | data[0] = (dl >> 16) & 0xffff; | |
1505 | cfc_write_to_buffer(s, data[0]); | |
1506 | } | |
1507 | ||
1508 | } else { | |
1509 | fifo_empty = | |
0a85b6f0 MT |
1510 | devpriv->stc_readw(dev, |
1511 | AI_Status_1_Register) & AI_FIFO_Empty_St; | |
03aef4b6 DS |
1512 | while (fifo_empty == 0) { |
1513 | for (i = 0; | |
0a85b6f0 MT |
1514 | i < |
1515 | sizeof(devpriv->ai_fifo_buffer) / | |
1516 | sizeof(devpriv->ai_fifo_buffer[0]); i++) { | |
03aef4b6 | 1517 | fifo_empty = |
0a85b6f0 MT |
1518 | devpriv->stc_readw(dev, |
1519 | AI_Status_1_Register) & | |
1520 | AI_FIFO_Empty_St; | |
03aef4b6 DS |
1521 | if (fifo_empty) |
1522 | break; | |
1523 | devpriv->ai_fifo_buffer[i] = | |
0a85b6f0 | 1524 | ni_readw(ADC_FIFO_Data_Register); |
03aef4b6 DS |
1525 | } |
1526 | cfc_write_array_to_buffer(s, devpriv->ai_fifo_buffer, | |
0a85b6f0 MT |
1527 | i * |
1528 | sizeof(devpriv-> | |
1529 | ai_fifo_buffer[0])); | |
03aef4b6 DS |
1530 | } |
1531 | } | |
1532 | } | |
1533 | ||
da91b269 | 1534 | static void get_last_sample_611x(struct comedi_device *dev) |
03aef4b6 | 1535 | { |
34c43922 | 1536 | struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV; |
790c5541 | 1537 | short data; |
03aef4b6 DS |
1538 | u32 dl; |
1539 | ||
1540 | if (boardtype.reg_type != ni_reg_611x) | |
1541 | return; | |
1542 | ||
1543 | /* Check if there's a single sample stuck in the FIFO */ | |
1544 | if (ni_readb(XXX_Status) & 0x80) { | |
1545 | dl = ni_readl(ADC_FIFO_Data_611x); | |
1546 | data = (dl & 0xffff); | |
1547 | cfc_write_to_buffer(s, data); | |
1548 | } | |
1549 | } | |
1550 | ||
da91b269 | 1551 | static void get_last_sample_6143(struct comedi_device *dev) |
03aef4b6 | 1552 | { |
34c43922 | 1553 | struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV; |
790c5541 | 1554 | short data; |
03aef4b6 DS |
1555 | u32 dl; |
1556 | ||
1557 | if (boardtype.reg_type != ni_reg_6143) | |
1558 | return; | |
1559 | ||
1560 | /* Check if there's a single sample stuck in the FIFO */ | |
1561 | if (ni_readl(AIFIFO_Status_6143) & 0x01) { | |
2696fb57 | 1562 | ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */ |
03aef4b6 DS |
1563 | dl = ni_readl(AIFIFO_Data_6143); |
1564 | ||
1565 | /* This may get the hi/lo data in the wrong order */ | |
1566 | data = (dl >> 16) & 0xffff; | |
1567 | cfc_write_to_buffer(s, data); | |
1568 | } | |
1569 | } | |
1570 | ||
da91b269 | 1571 | static void ni_ai_munge(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 MT |
1572 | void *data, unsigned int num_bytes, |
1573 | unsigned int chan_index) | |
03aef4b6 | 1574 | { |
d163679c | 1575 | struct comedi_async *async = s->async; |
03aef4b6 DS |
1576 | unsigned int i; |
1577 | unsigned int length = num_bytes / bytes_per_sample(s); | |
790c5541 BP |
1578 | short *array = data; |
1579 | unsigned int *larray = data; | |
03aef4b6 DS |
1580 | for (i = 0; i < length; i++) { |
1581 | #ifdef PCIDMA | |
1582 | if (s->subdev_flags & SDF_LSAMPL) | |
1583 | larray[i] = le32_to_cpu(larray[i]); | |
1584 | else | |
1585 | array[i] = le16_to_cpu(array[i]); | |
1586 | #endif | |
1587 | if (s->subdev_flags & SDF_LSAMPL) | |
1588 | larray[i] += devpriv->ai_offset[chan_index]; | |
1589 | else | |
1590 | array[i] += devpriv->ai_offset[chan_index]; | |
1591 | chan_index++; | |
1592 | chan_index %= async->cmd.chanlist_len; | |
1593 | } | |
1594 | } | |
1595 | ||
1596 | #ifdef PCIDMA | |
1597 | ||
da91b269 | 1598 | static int ni_ai_setup_MITE_dma(struct comedi_device *dev) |
03aef4b6 | 1599 | { |
34c43922 | 1600 | struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV; |
03aef4b6 DS |
1601 | int retval; |
1602 | unsigned long flags; | |
1603 | ||
1604 | retval = ni_request_ai_mite_channel(dev); | |
1605 | if (retval) | |
1606 | return retval; | |
5f74ea14 | 1607 | /* printk("comedi_debug: using mite channel %i for ai.\n", devpriv->ai_mite_chan->channel); */ |
03aef4b6 DS |
1608 | |
1609 | /* write alloc the entire buffer */ | |
1610 | comedi_buf_write_alloc(s->async, s->async->prealloc_bufsz); | |
1611 | ||
5f74ea14 GKH |
1612 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
1613 | if (devpriv->ai_mite_chan == NULL) { | |
1614 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); | |
03aef4b6 DS |
1615 | return -EIO; |
1616 | } | |
1617 | ||
1618 | switch (boardtype.reg_type) { | |
1619 | case ni_reg_611x: | |
1620 | case ni_reg_6143: | |
1621 | mite_prep_dma(devpriv->ai_mite_chan, 32, 16); | |
1622 | break; | |
1623 | case ni_reg_628x: | |
1624 | mite_prep_dma(devpriv->ai_mite_chan, 32, 32); | |
1625 | break; | |
1626 | default: | |
1627 | mite_prep_dma(devpriv->ai_mite_chan, 16, 16); | |
1628 | break; | |
1629 | }; | |
1630 | /*start the MITE */ | |
1631 | mite_dma_arm(devpriv->ai_mite_chan); | |
5f74ea14 | 1632 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
1633 | |
1634 | return 0; | |
1635 | } | |
1636 | ||
da91b269 | 1637 | static int ni_ao_setup_MITE_dma(struct comedi_device *dev) |
03aef4b6 | 1638 | { |
34c43922 | 1639 | struct comedi_subdevice *s = dev->subdevices + NI_AO_SUBDEV; |
03aef4b6 DS |
1640 | int retval; |
1641 | unsigned long flags; | |
1642 | ||
1643 | retval = ni_request_ao_mite_channel(dev); | |
1644 | if (retval) | |
1645 | return retval; | |
1646 | ||
1647 | /* read alloc the entire buffer */ | |
1648 | comedi_buf_read_alloc(s->async, s->async->prealloc_bufsz); | |
1649 | ||
5f74ea14 | 1650 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
1651 | if (devpriv->ao_mite_chan) { |
1652 | if (boardtype.reg_type & (ni_reg_611x | ni_reg_6713)) { | |
1653 | mite_prep_dma(devpriv->ao_mite_chan, 32, 32); | |
1654 | } else { | |
1655 | /* doing 32 instead of 16 bit wide transfers from memory | |
1656 | makes the mite do 32 bit pci transfers, doubling pci bandwidth. */ | |
1657 | mite_prep_dma(devpriv->ao_mite_chan, 16, 32); | |
1658 | } | |
1659 | mite_dma_arm(devpriv->ao_mite_chan); | |
1660 | } else | |
1661 | retval = -EIO; | |
5f74ea14 | 1662 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
1663 | |
1664 | return retval; | |
1665 | } | |
1666 | ||
2696fb57 | 1667 | #endif /* PCIDMA */ |
03aef4b6 DS |
1668 | |
1669 | /* | |
1670 | used for both cancel ioctl and board initialization | |
1671 | ||
1672 | this is pretty harsh for a cancel, but it works... | |
1673 | */ | |
1674 | ||
da91b269 | 1675 | static int ni_ai_reset(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 DS |
1676 | { |
1677 | ni_release_ai_mite_channel(dev); | |
1678 | /* ai configuration */ | |
1679 | devpriv->stc_writew(dev, AI_Configuration_Start | AI_Reset, | |
0a85b6f0 | 1680 | Joint_Reset_Register); |
03aef4b6 DS |
1681 | |
1682 | ni_set_bits(dev, Interrupt_A_Enable_Register, | |
0a85b6f0 MT |
1683 | AI_SC_TC_Interrupt_Enable | AI_START1_Interrupt_Enable | |
1684 | AI_START2_Interrupt_Enable | AI_START_Interrupt_Enable | | |
1685 | AI_STOP_Interrupt_Enable | AI_Error_Interrupt_Enable | | |
1686 | AI_FIFO_Interrupt_Enable, 0); | |
03aef4b6 DS |
1687 | |
1688 | ni_clear_ai_fifo(dev); | |
1689 | ||
1690 | if (boardtype.reg_type != ni_reg_6143) | |
1691 | ni_writeb(0, Misc_Command); | |
1692 | ||
1693 | devpriv->stc_writew(dev, AI_Disarm, AI_Command_1_Register); /* reset pulses */ | |
1694 | devpriv->stc_writew(dev, | |
0a85b6f0 MT |
1695 | AI_Start_Stop | AI_Mode_1_Reserved |
1696 | /*| AI_Trigger_Once */ , | |
1697 | AI_Mode_1_Register); | |
03aef4b6 DS |
1698 | devpriv->stc_writew(dev, 0x0000, AI_Mode_2_Register); |
1699 | /* generate FIFO interrupts on non-empty */ | |
1700 | devpriv->stc_writew(dev, (0 << 6) | 0x0000, AI_Mode_3_Register); | |
1701 | if (boardtype.reg_type == ni_reg_611x) { | |
1702 | devpriv->stc_writew(dev, AI_SHIFTIN_Pulse_Width | | |
0a85b6f0 MT |
1703 | AI_SOC_Polarity | |
1704 | AI_LOCALMUX_CLK_Pulse_Width, | |
1705 | AI_Personal_Register); | |
1706 | devpriv->stc_writew(dev, | |
1707 | AI_SCAN_IN_PROG_Output_Select(3) | | |
1708 | AI_EXTMUX_CLK_Output_Select(0) | | |
1709 | AI_LOCALMUX_CLK_Output_Select(2) | | |
1710 | AI_SC_TC_Output_Select(3) | | |
1711 | AI_CONVERT_Output_Select | |
1712 | (AI_CONVERT_Output_Enable_High), | |
1713 | AI_Output_Control_Register); | |
03aef4b6 DS |
1714 | } else if (boardtype.reg_type == ni_reg_6143) { |
1715 | devpriv->stc_writew(dev, AI_SHIFTIN_Pulse_Width | | |
0a85b6f0 MT |
1716 | AI_SOC_Polarity | |
1717 | AI_LOCALMUX_CLK_Pulse_Width, | |
1718 | AI_Personal_Register); | |
1719 | devpriv->stc_writew(dev, | |
1720 | AI_SCAN_IN_PROG_Output_Select(3) | | |
1721 | AI_EXTMUX_CLK_Output_Select(0) | | |
1722 | AI_LOCALMUX_CLK_Output_Select(2) | | |
1723 | AI_SC_TC_Output_Select(3) | | |
1724 | AI_CONVERT_Output_Select | |
1725 | (AI_CONVERT_Output_Enable_Low), | |
1726 | AI_Output_Control_Register); | |
03aef4b6 DS |
1727 | } else { |
1728 | unsigned ai_output_control_bits; | |
1729 | devpriv->stc_writew(dev, AI_SHIFTIN_Pulse_Width | | |
0a85b6f0 MT |
1730 | AI_SOC_Polarity | |
1731 | AI_CONVERT_Pulse_Width | | |
1732 | AI_LOCALMUX_CLK_Pulse_Width, | |
1733 | AI_Personal_Register); | |
1734 | ai_output_control_bits = | |
1735 | AI_SCAN_IN_PROG_Output_Select(3) | | |
1736 | AI_EXTMUX_CLK_Output_Select(0) | | |
1737 | AI_LOCALMUX_CLK_Output_Select(2) | | |
1738 | AI_SC_TC_Output_Select(3); | |
03aef4b6 DS |
1739 | if (boardtype.reg_type == ni_reg_622x) |
1740 | ai_output_control_bits |= | |
0a85b6f0 MT |
1741 | AI_CONVERT_Output_Select |
1742 | (AI_CONVERT_Output_Enable_High); | |
03aef4b6 DS |
1743 | else |
1744 | ai_output_control_bits |= | |
0a85b6f0 MT |
1745 | AI_CONVERT_Output_Select |
1746 | (AI_CONVERT_Output_Enable_Low); | |
03aef4b6 | 1747 | devpriv->stc_writew(dev, ai_output_control_bits, |
0a85b6f0 | 1748 | AI_Output_Control_Register); |
03aef4b6 DS |
1749 | } |
1750 | /* the following registers should not be changed, because there | |
1751 | * are no backup registers in devpriv. If you want to change | |
1752 | * any of these, add a backup register and other appropriate code: | |
1753 | * AI_Mode_1_Register | |
1754 | * AI_Mode_3_Register | |
1755 | * AI_Personal_Register | |
1756 | * AI_Output_Control_Register | |
1757 | */ | |
1758 | devpriv->stc_writew(dev, AI_SC_TC_Error_Confirm | AI_START_Interrupt_Ack | AI_START2_Interrupt_Ack | AI_START1_Interrupt_Ack | AI_SC_TC_Interrupt_Ack | AI_Error_Interrupt_Ack | AI_STOP_Interrupt_Ack, Interrupt_A_Ack_Register); /* clear interrupts */ | |
1759 | ||
1760 | devpriv->stc_writew(dev, AI_Configuration_End, Joint_Reset_Register); | |
1761 | ||
1762 | return 0; | |
1763 | } | |
1764 | ||
da91b269 | 1765 | static int ni_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 DS |
1766 | { |
1767 | unsigned long flags = 0; | |
1768 | int count; | |
1769 | ||
2696fb57 | 1770 | /* lock to avoid race with interrupt handler */ |
03aef4b6 | 1771 | if (in_interrupt() == 0) |
5f74ea14 | 1772 | spin_lock_irqsave(&dev->spinlock, flags); |
03aef4b6 DS |
1773 | #ifndef PCIDMA |
1774 | ni_handle_fifo_dregs(dev); | |
1775 | #else | |
1776 | ni_sync_ai_dma(dev); | |
1777 | #endif | |
1778 | count = s->async->buf_write_count - s->async->buf_read_count; | |
1779 | if (in_interrupt() == 0) | |
5f74ea14 | 1780 | spin_unlock_irqrestore(&dev->spinlock, flags); |
03aef4b6 DS |
1781 | |
1782 | return count; | |
1783 | } | |
1784 | ||
0a85b6f0 MT |
1785 | static int ni_ai_insn_read(struct comedi_device *dev, |
1786 | struct comedi_subdevice *s, struct comedi_insn *insn, | |
1787 | unsigned int *data) | |
03aef4b6 DS |
1788 | { |
1789 | int i, n; | |
1790 | const unsigned int mask = (1 << boardtype.adbits) - 1; | |
1791 | unsigned signbits; | |
1792 | unsigned short d; | |
1793 | unsigned long dl; | |
1794 | ||
1795 | ni_load_channelgain_list(dev, 1, &insn->chanspec); | |
1796 | ||
1797 | ni_clear_ai_fifo(dev); | |
1798 | ||
1799 | signbits = devpriv->ai_offset[0]; | |
1800 | if (boardtype.reg_type == ni_reg_611x) { | |
1801 | for (n = 0; n < num_adc_stages_611x; n++) { | |
1802 | devpriv->stc_writew(dev, AI_CONVERT_Pulse, | |
0a85b6f0 | 1803 | AI_Command_1_Register); |
5f74ea14 | 1804 | udelay(1); |
03aef4b6 DS |
1805 | } |
1806 | for (n = 0; n < insn->n; n++) { | |
1807 | devpriv->stc_writew(dev, AI_CONVERT_Pulse, | |
0a85b6f0 | 1808 | AI_Command_1_Register); |
03aef4b6 DS |
1809 | /* The 611x has screwy 32-bit FIFOs. */ |
1810 | d = 0; | |
1811 | for (i = 0; i < NI_TIMEOUT; i++) { | |
1812 | if (ni_readb(XXX_Status) & 0x80) { | |
1813 | d = (ni_readl(ADC_FIFO_Data_611x) >> 16) | |
0a85b6f0 | 1814 | & 0xffff; |
03aef4b6 DS |
1815 | break; |
1816 | } | |
1817 | if (!(devpriv->stc_readw(dev, | |
0a85b6f0 MT |
1818 | AI_Status_1_Register) & |
1819 | AI_FIFO_Empty_St)) { | |
03aef4b6 | 1820 | d = ni_readl(ADC_FIFO_Data_611x) & |
0a85b6f0 | 1821 | 0xffff; |
03aef4b6 DS |
1822 | break; |
1823 | } | |
1824 | } | |
1825 | if (i == NI_TIMEOUT) { | |
5f74ea14 | 1826 | printk |
0a85b6f0 | 1827 | ("ni_mio_common: timeout in 611x ni_ai_insn_read\n"); |
03aef4b6 DS |
1828 | return -ETIME; |
1829 | } | |
1830 | d += signbits; | |
1831 | data[n] = d; | |
1832 | } | |
1833 | } else if (boardtype.reg_type == ni_reg_6143) { | |
1834 | for (n = 0; n < insn->n; n++) { | |
1835 | devpriv->stc_writew(dev, AI_CONVERT_Pulse, | |
0a85b6f0 | 1836 | AI_Command_1_Register); |
03aef4b6 DS |
1837 | |
1838 | /* The 6143 has 32-bit FIFOs. You need to strobe a bit to move a single 16bit stranded sample into the FIFO */ | |
1839 | dl = 0; | |
1840 | for (i = 0; i < NI_TIMEOUT; i++) { | |
1841 | if (ni_readl(AIFIFO_Status_6143) & 0x01) { | |
2696fb57 | 1842 | ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */ |
03aef4b6 DS |
1843 | dl = ni_readl(AIFIFO_Data_6143); |
1844 | break; | |
1845 | } | |
1846 | } | |
1847 | if (i == NI_TIMEOUT) { | |
5f74ea14 | 1848 | printk |
0a85b6f0 | 1849 | ("ni_mio_common: timeout in 6143 ni_ai_insn_read\n"); |
03aef4b6 DS |
1850 | return -ETIME; |
1851 | } | |
1852 | data[n] = (((dl >> 16) & 0xFFFF) + signbits) & 0xFFFF; | |
1853 | } | |
1854 | } else { | |
1855 | for (n = 0; n < insn->n; n++) { | |
1856 | devpriv->stc_writew(dev, AI_CONVERT_Pulse, | |
0a85b6f0 | 1857 | AI_Command_1_Register); |
03aef4b6 DS |
1858 | for (i = 0; i < NI_TIMEOUT; i++) { |
1859 | if (!(devpriv->stc_readw(dev, | |
0a85b6f0 MT |
1860 | AI_Status_1_Register) & |
1861 | AI_FIFO_Empty_St)) | |
03aef4b6 DS |
1862 | break; |
1863 | } | |
1864 | if (i == NI_TIMEOUT) { | |
5f74ea14 | 1865 | printk |
0a85b6f0 | 1866 | ("ni_mio_common: timeout in ni_ai_insn_read\n"); |
03aef4b6 DS |
1867 | return -ETIME; |
1868 | } | |
1869 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
1870 | data[n] = | |
0a85b6f0 | 1871 | ni_readl(M_Offset_AI_FIFO_Data) & mask; |
03aef4b6 DS |
1872 | } else { |
1873 | d = ni_readw(ADC_FIFO_Data_Register); | |
1874 | d += signbits; /* subtle: needs to be short addition */ | |
1875 | data[n] = d; | |
1876 | } | |
1877 | } | |
1878 | } | |
1879 | return insn->n; | |
1880 | } | |
1881 | ||
da91b269 | 1882 | void ni_prime_channelgain_list(struct comedi_device *dev) |
03aef4b6 DS |
1883 | { |
1884 | int i; | |
1885 | devpriv->stc_writew(dev, AI_CONVERT_Pulse, AI_Command_1_Register); | |
1886 | for (i = 0; i < NI_TIMEOUT; ++i) { | |
1887 | if (!(devpriv->stc_readw(dev, | |
0a85b6f0 MT |
1888 | AI_Status_1_Register) & |
1889 | AI_FIFO_Empty_St)) { | |
03aef4b6 DS |
1890 | devpriv->stc_writew(dev, 1, ADC_FIFO_Clear); |
1891 | return; | |
1892 | } | |
5f74ea14 | 1893 | udelay(1); |
03aef4b6 | 1894 | } |
5f74ea14 | 1895 | printk("ni_mio_common: timeout loading channel/gain list\n"); |
03aef4b6 DS |
1896 | } |
1897 | ||
da91b269 | 1898 | static void ni_m_series_load_channelgain_list(struct comedi_device *dev, |
0a85b6f0 MT |
1899 | unsigned int n_chan, |
1900 | unsigned int *list) | |
03aef4b6 DS |
1901 | { |
1902 | unsigned int chan, range, aref; | |
1903 | unsigned int i; | |
1904 | unsigned offset; | |
1905 | unsigned int dither; | |
1906 | unsigned range_code; | |
1907 | ||
1908 | devpriv->stc_writew(dev, 1, Configuration_Memory_Clear); | |
1909 | ||
2696fb57 | 1910 | /* offset = 1 << (boardtype.adbits - 1); */ |
03aef4b6 DS |
1911 | if ((list[0] & CR_ALT_SOURCE)) { |
1912 | unsigned bypass_bits; | |
1913 | chan = CR_CHAN(list[0]); | |
1914 | range = CR_RANGE(list[0]); | |
1915 | range_code = ni_gainlkup[boardtype.gainlkup][range]; | |
1916 | dither = ((list[0] & CR_ALT_FILTER) != 0); | |
1917 | bypass_bits = MSeries_AI_Bypass_Config_FIFO_Bit; | |
1918 | bypass_bits |= chan; | |
1919 | bypass_bits |= | |
0a85b6f0 MT |
1920 | (devpriv->ai_calib_source) & |
1921 | (MSeries_AI_Bypass_Cal_Sel_Pos_Mask | | |
1922 | MSeries_AI_Bypass_Cal_Sel_Neg_Mask | | |
1923 | MSeries_AI_Bypass_Mode_Mux_Mask | | |
1924 | MSeries_AO_Bypass_AO_Cal_Sel_Mask); | |
03aef4b6 DS |
1925 | bypass_bits |= MSeries_AI_Bypass_Gain_Bits(range_code); |
1926 | if (dither) | |
1927 | bypass_bits |= MSeries_AI_Bypass_Dither_Bit; | |
2696fb57 | 1928 | /* don't use 2's complement encoding */ |
03aef4b6 DS |
1929 | bypass_bits |= MSeries_AI_Bypass_Polarity_Bit; |
1930 | ni_writel(bypass_bits, M_Offset_AI_Config_FIFO_Bypass); | |
1931 | } else { | |
1932 | ni_writel(0, M_Offset_AI_Config_FIFO_Bypass); | |
1933 | } | |
1934 | offset = 0; | |
1935 | for (i = 0; i < n_chan; i++) { | |
1936 | unsigned config_bits = 0; | |
1937 | chan = CR_CHAN(list[i]); | |
1938 | aref = CR_AREF(list[i]); | |
1939 | range = CR_RANGE(list[i]); | |
1940 | dither = ((list[i] & CR_ALT_FILTER) != 0); | |
1941 | ||
1942 | range_code = ni_gainlkup[boardtype.gainlkup][range]; | |
1943 | devpriv->ai_offset[i] = offset; | |
1944 | switch (aref) { | |
1945 | case AREF_DIFF: | |
1946 | config_bits |= | |
0a85b6f0 | 1947 | MSeries_AI_Config_Channel_Type_Differential_Bits; |
03aef4b6 DS |
1948 | break; |
1949 | case AREF_COMMON: | |
1950 | config_bits |= | |
0a85b6f0 | 1951 | MSeries_AI_Config_Channel_Type_Common_Ref_Bits; |
03aef4b6 DS |
1952 | break; |
1953 | case AREF_GROUND: | |
1954 | config_bits |= | |
0a85b6f0 | 1955 | MSeries_AI_Config_Channel_Type_Ground_Ref_Bits; |
03aef4b6 DS |
1956 | break; |
1957 | case AREF_OTHER: | |
1958 | break; | |
1959 | } | |
1960 | config_bits |= MSeries_AI_Config_Channel_Bits(chan); | |
1961 | config_bits |= | |
0a85b6f0 | 1962 | MSeries_AI_Config_Bank_Bits(boardtype.reg_type, chan); |
03aef4b6 DS |
1963 | config_bits |= MSeries_AI_Config_Gain_Bits(range_code); |
1964 | if (i == n_chan - 1) | |
1965 | config_bits |= MSeries_AI_Config_Last_Channel_Bit; | |
1966 | if (dither) | |
1967 | config_bits |= MSeries_AI_Config_Dither_Bit; | |
2696fb57 | 1968 | /* don't use 2's complement encoding */ |
03aef4b6 DS |
1969 | config_bits |= MSeries_AI_Config_Polarity_Bit; |
1970 | ni_writew(config_bits, M_Offset_AI_Config_FIFO_Data); | |
1971 | } | |
1972 | ni_prime_channelgain_list(dev); | |
1973 | } | |
1974 | ||
1975 | /* | |
1976 | * Notes on the 6110 and 6111: | |
1977 | * These boards a slightly different than the rest of the series, since | |
1978 | * they have multiple A/D converters. | |
1979 | * From the driver side, the configuration memory is a | |
1980 | * little different. | |
1981 | * Configuration Memory Low: | |
1982 | * bits 15-9: same | |
1983 | * bit 8: unipolar/bipolar (should be 0 for bipolar) | |
1984 | * bits 0-3: gain. This is 4 bits instead of 3 for the other boards | |
1985 | * 1001 gain=0.1 (+/- 50) | |
1986 | * 1010 0.2 | |
1987 | * 1011 0.1 | |
1988 | * 0001 1 | |
1989 | * 0010 2 | |
1990 | * 0011 5 | |
1991 | * 0100 10 | |
1992 | * 0101 20 | |
1993 | * 0110 50 | |
1994 | * Configuration Memory High: | |
1995 | * bits 12-14: Channel Type | |
1996 | * 001 for differential | |
1997 | * 000 for calibration | |
1998 | * bit 11: coupling (this is not currently handled) | |
1999 | * 1 AC coupling | |
2000 | * 0 DC coupling | |
2001 | * bits 0-2: channel | |
2002 | * valid channels are 0-3 | |
2003 | */ | |
0a85b6f0 MT |
2004 | static void ni_load_channelgain_list(struct comedi_device *dev, |
2005 | unsigned int n_chan, unsigned int *list) | |
03aef4b6 DS |
2006 | { |
2007 | unsigned int chan, range, aref; | |
2008 | unsigned int i; | |
2009 | unsigned int hi, lo; | |
2010 | unsigned offset; | |
2011 | unsigned int dither; | |
2012 | ||
2013 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
2014 | ni_m_series_load_channelgain_list(dev, n_chan, list); | |
2015 | return; | |
2016 | } | |
2017 | if (n_chan == 1 && (boardtype.reg_type != ni_reg_611x) | |
0a85b6f0 | 2018 | && (boardtype.reg_type != ni_reg_6143)) { |
03aef4b6 | 2019 | if (devpriv->changain_state |
0a85b6f0 | 2020 | && devpriv->changain_spec == list[0]) { |
2696fb57 | 2021 | /* ready to go. */ |
03aef4b6 DS |
2022 | return; |
2023 | } | |
2024 | devpriv->changain_state = 1; | |
2025 | devpriv->changain_spec = list[0]; | |
2026 | } else { | |
2027 | devpriv->changain_state = 0; | |
2028 | } | |
2029 | ||
2030 | devpriv->stc_writew(dev, 1, Configuration_Memory_Clear); | |
2031 | ||
2696fb57 | 2032 | /* Set up Calibration mode if required */ |
03aef4b6 DS |
2033 | if (boardtype.reg_type == ni_reg_6143) { |
2034 | if ((list[0] & CR_ALT_SOURCE) | |
0a85b6f0 | 2035 | && !devpriv->ai_calib_source_enabled) { |
2696fb57 | 2036 | /* Strobe Relay enable bit */ |
0a85b6f0 MT |
2037 | ni_writew(devpriv->ai_calib_source | |
2038 | Calibration_Channel_6143_RelayOn, | |
2039 | Calibration_Channel_6143); | |
03aef4b6 | 2040 | ni_writew(devpriv->ai_calib_source, |
0a85b6f0 | 2041 | Calibration_Channel_6143); |
03aef4b6 | 2042 | devpriv->ai_calib_source_enabled = 1; |
2696fb57 | 2043 | msleep_interruptible(100); /* Allow relays to change */ |
03aef4b6 | 2044 | } else if (!(list[0] & CR_ALT_SOURCE) |
0a85b6f0 | 2045 | && devpriv->ai_calib_source_enabled) { |
2696fb57 | 2046 | /* Strobe Relay disable bit */ |
0a85b6f0 MT |
2047 | ni_writew(devpriv->ai_calib_source | |
2048 | Calibration_Channel_6143_RelayOff, | |
2049 | Calibration_Channel_6143); | |
03aef4b6 | 2050 | ni_writew(devpriv->ai_calib_source, |
0a85b6f0 | 2051 | Calibration_Channel_6143); |
03aef4b6 | 2052 | devpriv->ai_calib_source_enabled = 0; |
2696fb57 | 2053 | msleep_interruptible(100); /* Allow relays to change */ |
03aef4b6 DS |
2054 | } |
2055 | } | |
2056 | ||
2057 | offset = 1 << (boardtype.adbits - 1); | |
2058 | for (i = 0; i < n_chan; i++) { | |
2059 | if ((boardtype.reg_type != ni_reg_6143) | |
0a85b6f0 | 2060 | && (list[i] & CR_ALT_SOURCE)) { |
03aef4b6 DS |
2061 | chan = devpriv->ai_calib_source; |
2062 | } else { | |
2063 | chan = CR_CHAN(list[i]); | |
2064 | } | |
2065 | aref = CR_AREF(list[i]); | |
2066 | range = CR_RANGE(list[i]); | |
2067 | dither = ((list[i] & CR_ALT_FILTER) != 0); | |
2068 | ||
2069 | /* fix the external/internal range differences */ | |
2070 | range = ni_gainlkup[boardtype.gainlkup][range]; | |
2071 | if (boardtype.reg_type == ni_reg_611x) | |
2072 | devpriv->ai_offset[i] = offset; | |
2073 | else | |
2074 | devpriv->ai_offset[i] = (range & 0x100) ? 0 : offset; | |
2075 | ||
2076 | hi = 0; | |
2077 | if ((list[i] & CR_ALT_SOURCE)) { | |
2078 | if (boardtype.reg_type == ni_reg_611x) | |
2079 | ni_writew(CR_CHAN(list[i]) & 0x0003, | |
0a85b6f0 | 2080 | Calibration_Channel_Select_611x); |
03aef4b6 DS |
2081 | } else { |
2082 | if (boardtype.reg_type == ni_reg_611x) | |
2083 | aref = AREF_DIFF; | |
2084 | else if (boardtype.reg_type == ni_reg_6143) | |
2085 | aref = AREF_OTHER; | |
2086 | switch (aref) { | |
2087 | case AREF_DIFF: | |
2088 | hi |= AI_DIFFERENTIAL; | |
2089 | break; | |
2090 | case AREF_COMMON: | |
2091 | hi |= AI_COMMON; | |
2092 | break; | |
2093 | case AREF_GROUND: | |
2094 | hi |= AI_GROUND; | |
2095 | break; | |
2096 | case AREF_OTHER: | |
2097 | break; | |
2098 | } | |
2099 | } | |
2100 | hi |= AI_CONFIG_CHANNEL(chan); | |
2101 | ||
2102 | ni_writew(hi, Configuration_Memory_High); | |
2103 | ||
2104 | if (boardtype.reg_type != ni_reg_6143) { | |
2105 | lo = range; | |
2106 | if (i == n_chan - 1) | |
2107 | lo |= AI_LAST_CHANNEL; | |
2108 | if (dither) | |
2109 | lo |= AI_DITHER; | |
2110 | ||
2111 | ni_writew(lo, Configuration_Memory_Low); | |
2112 | } | |
2113 | } | |
2114 | ||
2115 | /* prime the channel/gain list */ | |
2116 | if ((boardtype.reg_type != ni_reg_611x) | |
0a85b6f0 | 2117 | && (boardtype.reg_type != ni_reg_6143)) { |
03aef4b6 DS |
2118 | ni_prime_channelgain_list(dev); |
2119 | } | |
2120 | } | |
2121 | ||
da91b269 | 2122 | static int ni_ns_to_timer(const struct comedi_device *dev, unsigned nanosec, |
0a85b6f0 | 2123 | int round_mode) |
03aef4b6 DS |
2124 | { |
2125 | int divider; | |
2126 | switch (round_mode) { | |
2127 | case TRIG_ROUND_NEAREST: | |
2128 | default: | |
2129 | divider = (nanosec + devpriv->clock_ns / 2) / devpriv->clock_ns; | |
2130 | break; | |
2131 | case TRIG_ROUND_DOWN: | |
2132 | divider = (nanosec) / devpriv->clock_ns; | |
2133 | break; | |
2134 | case TRIG_ROUND_UP: | |
2135 | divider = (nanosec + devpriv->clock_ns - 1) / devpriv->clock_ns; | |
2136 | break; | |
2137 | } | |
2138 | return divider - 1; | |
2139 | } | |
2140 | ||
da91b269 | 2141 | static unsigned ni_timer_to_ns(const struct comedi_device *dev, int timer) |
03aef4b6 DS |
2142 | { |
2143 | return devpriv->clock_ns * (timer + 1); | |
2144 | } | |
2145 | ||
da91b269 | 2146 | static unsigned ni_min_ai_scan_period_ns(struct comedi_device *dev, |
0a85b6f0 | 2147 | unsigned num_channels) |
03aef4b6 DS |
2148 | { |
2149 | switch (boardtype.reg_type) { | |
2150 | case ni_reg_611x: | |
2151 | case ni_reg_6143: | |
2696fb57 | 2152 | /* simultaneously-sampled inputs */ |
03aef4b6 DS |
2153 | return boardtype.ai_speed; |
2154 | break; | |
2155 | default: | |
2696fb57 | 2156 | /* multiplexed inputs */ |
03aef4b6 DS |
2157 | break; |
2158 | }; | |
2159 | return boardtype.ai_speed * num_channels; | |
2160 | } | |
2161 | ||
da91b269 | 2162 | static int ni_ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 | 2163 | struct comedi_cmd *cmd) |
03aef4b6 DS |
2164 | { |
2165 | int err = 0; | |
2166 | int tmp; | |
2167 | int sources; | |
2168 | ||
2169 | /* step 1: make sure trigger sources are trivially valid */ | |
2170 | ||
2171 | if ((cmd->flags & CMDF_WRITE)) { | |
2172 | cmd->flags &= ~CMDF_WRITE; | |
2173 | } | |
2174 | ||
2175 | tmp = cmd->start_src; | |
2176 | cmd->start_src &= TRIG_NOW | TRIG_INT | TRIG_EXT; | |
2177 | if (!cmd->start_src || tmp != cmd->start_src) | |
2178 | err++; | |
2179 | ||
2180 | tmp = cmd->scan_begin_src; | |
2181 | cmd->scan_begin_src &= TRIG_TIMER | TRIG_EXT; | |
2182 | if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) | |
2183 | err++; | |
2184 | ||
2185 | tmp = cmd->convert_src; | |
2186 | sources = TRIG_TIMER | TRIG_EXT; | |
2187 | if ((boardtype.reg_type == ni_reg_611x) | |
0a85b6f0 | 2188 | || (boardtype.reg_type == ni_reg_6143)) |
03aef4b6 DS |
2189 | sources |= TRIG_NOW; |
2190 | cmd->convert_src &= sources; | |
2191 | if (!cmd->convert_src || tmp != cmd->convert_src) | |
2192 | err++; | |
2193 | ||
2194 | tmp = cmd->scan_end_src; | |
2195 | cmd->scan_end_src &= TRIG_COUNT; | |
2196 | if (!cmd->scan_end_src || tmp != cmd->scan_end_src) | |
2197 | err++; | |
2198 | ||
2199 | tmp = cmd->stop_src; | |
2200 | cmd->stop_src &= TRIG_COUNT | TRIG_NONE; | |
2201 | if (!cmd->stop_src || tmp != cmd->stop_src) | |
2202 | err++; | |
2203 | ||
2204 | if (err) | |
2205 | return 1; | |
2206 | ||
2207 | /* step 2: make sure trigger sources are unique and mutually compatible */ | |
2208 | ||
2209 | /* note that mutual compatiblity is not an issue here */ | |
2210 | if (cmd->start_src != TRIG_NOW && | |
0a85b6f0 | 2211 | cmd->start_src != TRIG_INT && cmd->start_src != TRIG_EXT) |
03aef4b6 DS |
2212 | err++; |
2213 | if (cmd->scan_begin_src != TRIG_TIMER && | |
0a85b6f0 MT |
2214 | cmd->scan_begin_src != TRIG_EXT && |
2215 | cmd->scan_begin_src != TRIG_OTHER) | |
03aef4b6 DS |
2216 | err++; |
2217 | if (cmd->convert_src != TRIG_TIMER && | |
0a85b6f0 | 2218 | cmd->convert_src != TRIG_EXT && cmd->convert_src != TRIG_NOW) |
03aef4b6 DS |
2219 | err++; |
2220 | if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE) | |
2221 | err++; | |
2222 | ||
2223 | if (err) | |
2224 | return 2; | |
2225 | ||
2226 | /* step 3: make sure arguments are trivially compatible */ | |
2227 | ||
2228 | if (cmd->start_src == TRIG_EXT) { | |
2229 | /* external trigger */ | |
2230 | unsigned int tmp = CR_CHAN(cmd->start_arg); | |
2231 | ||
2232 | if (tmp > 16) | |
2233 | tmp = 16; | |
2234 | tmp |= (cmd->start_arg & (CR_INVERT | CR_EDGE)); | |
2235 | if (cmd->start_arg != tmp) { | |
2236 | cmd->start_arg = tmp; | |
2237 | err++; | |
2238 | } | |
2239 | } else { | |
2240 | if (cmd->start_arg != 0) { | |
2241 | /* true for both TRIG_NOW and TRIG_INT */ | |
2242 | cmd->start_arg = 0; | |
2243 | err++; | |
2244 | } | |
2245 | } | |
2246 | if (cmd->scan_begin_src == TRIG_TIMER) { | |
2247 | if (cmd->scan_begin_arg < ni_min_ai_scan_period_ns(dev, | |
0a85b6f0 MT |
2248 | cmd-> |
2249 | chanlist_len)) | |
2250 | { | |
03aef4b6 | 2251 | cmd->scan_begin_arg = |
0a85b6f0 | 2252 | ni_min_ai_scan_period_ns(dev, cmd->chanlist_len); |
03aef4b6 DS |
2253 | err++; |
2254 | } | |
2255 | if (cmd->scan_begin_arg > devpriv->clock_ns * 0xffffff) { | |
2256 | cmd->scan_begin_arg = devpriv->clock_ns * 0xffffff; | |
2257 | err++; | |
2258 | } | |
2259 | } else if (cmd->scan_begin_src == TRIG_EXT) { | |
2260 | /* external trigger */ | |
2261 | unsigned int tmp = CR_CHAN(cmd->scan_begin_arg); | |
2262 | ||
2263 | if (tmp > 16) | |
2264 | tmp = 16; | |
2265 | tmp |= (cmd->scan_begin_arg & (CR_INVERT | CR_EDGE)); | |
2266 | if (cmd->scan_begin_arg != tmp) { | |
2267 | cmd->scan_begin_arg = tmp; | |
2268 | err++; | |
2269 | } | |
2270 | } else { /* TRIG_OTHER */ | |
2271 | if (cmd->scan_begin_arg) { | |
2272 | cmd->scan_begin_arg = 0; | |
2273 | err++; | |
2274 | } | |
2275 | } | |
2276 | if (cmd->convert_src == TRIG_TIMER) { | |
2277 | if ((boardtype.reg_type == ni_reg_611x) | |
0a85b6f0 | 2278 | || (boardtype.reg_type == ni_reg_6143)) { |
03aef4b6 DS |
2279 | if (cmd->convert_arg != 0) { |
2280 | cmd->convert_arg = 0; | |
2281 | err++; | |
2282 | } | |
2283 | } else { | |
2284 | if (cmd->convert_arg < boardtype.ai_speed) { | |
2285 | cmd->convert_arg = boardtype.ai_speed; | |
2286 | err++; | |
2287 | } | |
2288 | if (cmd->convert_arg > devpriv->clock_ns * 0xffff) { | |
2289 | cmd->convert_arg = devpriv->clock_ns * 0xffff; | |
2290 | err++; | |
2291 | } | |
2292 | } | |
2293 | } else if (cmd->convert_src == TRIG_EXT) { | |
2294 | /* external trigger */ | |
2295 | unsigned int tmp = CR_CHAN(cmd->convert_arg); | |
2296 | ||
2297 | if (tmp > 16) | |
2298 | tmp = 16; | |
2299 | tmp |= (cmd->convert_arg & (CR_ALT_FILTER | CR_INVERT)); | |
2300 | if (cmd->convert_arg != tmp) { | |
2301 | cmd->convert_arg = tmp; | |
2302 | err++; | |
2303 | } | |
2304 | } else if (cmd->convert_src == TRIG_NOW) { | |
2305 | if (cmd->convert_arg != 0) { | |
2306 | cmd->convert_arg = 0; | |
2307 | err++; | |
2308 | } | |
2309 | } | |
2310 | ||
2311 | if (cmd->scan_end_arg != cmd->chanlist_len) { | |
2312 | cmd->scan_end_arg = cmd->chanlist_len; | |
2313 | err++; | |
2314 | } | |
2315 | if (cmd->stop_src == TRIG_COUNT) { | |
2316 | unsigned int max_count = 0x01000000; | |
2317 | ||
2318 | if (boardtype.reg_type == ni_reg_611x) | |
2319 | max_count -= num_adc_stages_611x; | |
2320 | if (cmd->stop_arg > max_count) { | |
2321 | cmd->stop_arg = max_count; | |
2322 | err++; | |
2323 | } | |
2324 | if (cmd->stop_arg < 1) { | |
2325 | cmd->stop_arg = 1; | |
2326 | err++; | |
2327 | } | |
2328 | } else { | |
2329 | /* TRIG_NONE */ | |
2330 | if (cmd->stop_arg != 0) { | |
2331 | cmd->stop_arg = 0; | |
2332 | err++; | |
2333 | } | |
2334 | } | |
2335 | ||
2336 | if (err) | |
2337 | return 3; | |
2338 | ||
2339 | /* step 4: fix up any arguments */ | |
2340 | ||
2341 | if (cmd->scan_begin_src == TRIG_TIMER) { | |
2342 | tmp = cmd->scan_begin_arg; | |
2343 | cmd->scan_begin_arg = | |
0a85b6f0 MT |
2344 | ni_timer_to_ns(dev, ni_ns_to_timer(dev, |
2345 | cmd->scan_begin_arg, | |
2346 | cmd-> | |
2347 | flags & | |
2348 | TRIG_ROUND_MASK)); | |
03aef4b6 DS |
2349 | if (tmp != cmd->scan_begin_arg) |
2350 | err++; | |
2351 | } | |
2352 | if (cmd->convert_src == TRIG_TIMER) { | |
2353 | if ((boardtype.reg_type != ni_reg_611x) | |
0a85b6f0 | 2354 | && (boardtype.reg_type != ni_reg_6143)) { |
03aef4b6 DS |
2355 | tmp = cmd->convert_arg; |
2356 | cmd->convert_arg = | |
0a85b6f0 MT |
2357 | ni_timer_to_ns(dev, ni_ns_to_timer(dev, |
2358 | cmd->convert_arg, | |
2359 | cmd-> | |
2360 | flags & | |
2361 | TRIG_ROUND_MASK)); | |
03aef4b6 DS |
2362 | if (tmp != cmd->convert_arg) |
2363 | err++; | |
2364 | if (cmd->scan_begin_src == TRIG_TIMER && | |
0a85b6f0 MT |
2365 | cmd->scan_begin_arg < |
2366 | cmd->convert_arg * cmd->scan_end_arg) { | |
03aef4b6 | 2367 | cmd->scan_begin_arg = |
0a85b6f0 | 2368 | cmd->convert_arg * cmd->scan_end_arg; |
03aef4b6 DS |
2369 | err++; |
2370 | } | |
2371 | } | |
2372 | } | |
2373 | ||
2374 | if (err) | |
2375 | return 4; | |
2376 | ||
2377 | return 0; | |
2378 | } | |
2379 | ||
da91b269 | 2380 | static int ni_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 | 2381 | { |
ea6d0d4c | 2382 | const struct comedi_cmd *cmd = &s->async->cmd; |
03aef4b6 DS |
2383 | int timer; |
2384 | int mode1 = 0; /* mode1 is needed for both stop and convert */ | |
2385 | int mode2 = 0; | |
2386 | int start_stop_select = 0; | |
2387 | unsigned int stop_count; | |
2388 | int interrupt_a_enable = 0; | |
2389 | ||
2390 | MDPRINTK("ni_ai_cmd\n"); | |
2391 | if (dev->irq == 0) { | |
2392 | comedi_error(dev, "cannot run command without an irq"); | |
2393 | return -EIO; | |
2394 | } | |
2395 | ni_clear_ai_fifo(dev); | |
2396 | ||
2397 | ni_load_channelgain_list(dev, cmd->chanlist_len, cmd->chanlist); | |
2398 | ||
2399 | /* start configuration */ | |
2400 | devpriv->stc_writew(dev, AI_Configuration_Start, Joint_Reset_Register); | |
2401 | ||
2402 | /* disable analog triggering for now, since it | |
2403 | * interferes with the use of pfi0 */ | |
2404 | devpriv->an_trig_etc_reg &= ~Analog_Trigger_Enable; | |
2405 | devpriv->stc_writew(dev, devpriv->an_trig_etc_reg, | |
0a85b6f0 | 2406 | Analog_Trigger_Etc_Register); |
03aef4b6 DS |
2407 | |
2408 | switch (cmd->start_src) { | |
2409 | case TRIG_INT: | |
2410 | case TRIG_NOW: | |
2411 | devpriv->stc_writew(dev, AI_START2_Select(0) | | |
0a85b6f0 MT |
2412 | AI_START1_Sync | AI_START1_Edge | |
2413 | AI_START1_Select(0), | |
2414 | AI_Trigger_Select_Register); | |
03aef4b6 DS |
2415 | break; |
2416 | case TRIG_EXT: | |
2417 | { | |
2418 | int chan = CR_CHAN(cmd->start_arg); | |
2419 | unsigned int bits = AI_START2_Select(0) | | |
0a85b6f0 | 2420 | AI_START1_Sync | AI_START1_Select(chan + 1); |
03aef4b6 DS |
2421 | |
2422 | if (cmd->start_arg & CR_INVERT) | |
2423 | bits |= AI_START1_Polarity; | |
2424 | if (cmd->start_arg & CR_EDGE) | |
2425 | bits |= AI_START1_Edge; | |
2426 | devpriv->stc_writew(dev, bits, | |
0a85b6f0 | 2427 | AI_Trigger_Select_Register); |
03aef4b6 DS |
2428 | break; |
2429 | } | |
2430 | } | |
2431 | ||
2432 | mode2 &= ~AI_Pre_Trigger; | |
2433 | mode2 &= ~AI_SC_Initial_Load_Source; | |
2434 | mode2 &= ~AI_SC_Reload_Mode; | |
2435 | devpriv->stc_writew(dev, mode2, AI_Mode_2_Register); | |
2436 | ||
2437 | if (cmd->chanlist_len == 1 || (boardtype.reg_type == ni_reg_611x) | |
0a85b6f0 | 2438 | || (boardtype.reg_type == ni_reg_6143)) { |
03aef4b6 | 2439 | start_stop_select |= AI_STOP_Polarity; |
2696fb57 | 2440 | start_stop_select |= AI_STOP_Select(31); /* logic low */ |
03aef4b6 DS |
2441 | start_stop_select |= AI_STOP_Sync; |
2442 | } else { | |
2696fb57 | 2443 | start_stop_select |= AI_STOP_Select(19); /* ai configuration memory */ |
03aef4b6 DS |
2444 | } |
2445 | devpriv->stc_writew(dev, start_stop_select, | |
0a85b6f0 | 2446 | AI_START_STOP_Select_Register); |
03aef4b6 DS |
2447 | |
2448 | devpriv->ai_cmd2 = 0; | |
2449 | switch (cmd->stop_src) { | |
2450 | case TRIG_COUNT: | |
2451 | stop_count = cmd->stop_arg - 1; | |
2452 | ||
2453 | if (boardtype.reg_type == ni_reg_611x) { | |
2696fb57 | 2454 | /* have to take 3 stage adc pipeline into account */ |
03aef4b6 DS |
2455 | stop_count += num_adc_stages_611x; |
2456 | } | |
2457 | /* stage number of scans */ | |
2458 | devpriv->stc_writel(dev, stop_count, AI_SC_Load_A_Registers); | |
2459 | ||
2460 | mode1 |= AI_Start_Stop | AI_Mode_1_Reserved | AI_Trigger_Once; | |
2461 | devpriv->stc_writew(dev, mode1, AI_Mode_1_Register); | |
2462 | /* load SC (Scan Count) */ | |
2463 | devpriv->stc_writew(dev, AI_SC_Load, AI_Command_1_Register); | |
2464 | ||
2465 | devpriv->ai_continuous = 0; | |
2466 | if (stop_count == 0) { | |
2467 | devpriv->ai_cmd2 |= AI_End_On_End_Of_Scan; | |
2468 | interrupt_a_enable |= AI_STOP_Interrupt_Enable; | |
2696fb57 | 2469 | /* this is required to get the last sample for chanlist_len > 1, not sure why */ |
03aef4b6 DS |
2470 | if (cmd->chanlist_len > 1) |
2471 | start_stop_select |= | |
0a85b6f0 | 2472 | AI_STOP_Polarity | AI_STOP_Edge; |
03aef4b6 DS |
2473 | } |
2474 | break; | |
2475 | case TRIG_NONE: | |
2476 | /* stage number of scans */ | |
2477 | devpriv->stc_writel(dev, 0, AI_SC_Load_A_Registers); | |
2478 | ||
2479 | mode1 |= AI_Start_Stop | AI_Mode_1_Reserved | AI_Continuous; | |
2480 | devpriv->stc_writew(dev, mode1, AI_Mode_1_Register); | |
2481 | ||
2482 | /* load SC (Scan Count) */ | |
2483 | devpriv->stc_writew(dev, AI_SC_Load, AI_Command_1_Register); | |
2484 | ||
2485 | devpriv->ai_continuous = 1; | |
2486 | ||
2487 | break; | |
2488 | } | |
2489 | ||
2490 | switch (cmd->scan_begin_src) { | |
2491 | case TRIG_TIMER: | |
2492 | /* | |
2493 | stop bits for non 611x boards | |
2494 | AI_SI_Special_Trigger_Delay=0 | |
2495 | AI_Pre_Trigger=0 | |
2496 | AI_START_STOP_Select_Register: | |
2497 | AI_START_Polarity=0 (?) rising edge | |
2498 | AI_START_Edge=1 edge triggered | |
2499 | AI_START_Sync=1 (?) | |
2500 | AI_START_Select=0 SI_TC | |
2501 | AI_STOP_Polarity=0 rising edge | |
2502 | AI_STOP_Edge=0 level | |
2503 | AI_STOP_Sync=1 | |
2504 | AI_STOP_Select=19 external pin (configuration mem) | |
2505 | */ | |
2506 | start_stop_select |= AI_START_Edge | AI_START_Sync; | |
2507 | devpriv->stc_writew(dev, start_stop_select, | |
0a85b6f0 | 2508 | AI_START_STOP_Select_Register); |
03aef4b6 DS |
2509 | |
2510 | mode2 |= AI_SI_Reload_Mode(0); | |
2511 | /* AI_SI_Initial_Load_Source=A */ | |
2512 | mode2 &= ~AI_SI_Initial_Load_Source; | |
2696fb57 | 2513 | /* mode2 |= AI_SC_Reload_Mode; */ |
03aef4b6 DS |
2514 | devpriv->stc_writew(dev, mode2, AI_Mode_2_Register); |
2515 | ||
2516 | /* load SI */ | |
2517 | timer = ni_ns_to_timer(dev, cmd->scan_begin_arg, | |
0a85b6f0 | 2518 | TRIG_ROUND_NEAREST); |
03aef4b6 DS |
2519 | devpriv->stc_writel(dev, timer, AI_SI_Load_A_Registers); |
2520 | devpriv->stc_writew(dev, AI_SI_Load, AI_Command_1_Register); | |
2521 | break; | |
2522 | case TRIG_EXT: | |
2523 | if (cmd->scan_begin_arg & CR_EDGE) | |
2524 | start_stop_select |= AI_START_Edge; | |
2525 | /* AI_START_Polarity==1 is falling edge */ | |
2526 | if (cmd->scan_begin_arg & CR_INVERT) | |
2527 | start_stop_select |= AI_START_Polarity; | |
2528 | if (cmd->scan_begin_src != cmd->convert_src || | |
0a85b6f0 MT |
2529 | (cmd->scan_begin_arg & ~CR_EDGE) != |
2530 | (cmd->convert_arg & ~CR_EDGE)) | |
03aef4b6 DS |
2531 | start_stop_select |= AI_START_Sync; |
2532 | start_stop_select |= | |
0a85b6f0 | 2533 | AI_START_Select(1 + CR_CHAN(cmd->scan_begin_arg)); |
03aef4b6 | 2534 | devpriv->stc_writew(dev, start_stop_select, |
0a85b6f0 | 2535 | AI_START_STOP_Select_Register); |
03aef4b6 DS |
2536 | break; |
2537 | } | |
2538 | ||
2539 | switch (cmd->convert_src) { | |
2540 | case TRIG_TIMER: | |
2541 | case TRIG_NOW: | |
2542 | if (cmd->convert_arg == 0 || cmd->convert_src == TRIG_NOW) | |
2543 | timer = 1; | |
2544 | else | |
2545 | timer = ni_ns_to_timer(dev, cmd->convert_arg, | |
0a85b6f0 | 2546 | TRIG_ROUND_NEAREST); |
03aef4b6 DS |
2547 | devpriv->stc_writew(dev, 1, AI_SI2_Load_A_Register); /* 0,0 does not work. */ |
2548 | devpriv->stc_writew(dev, timer, AI_SI2_Load_B_Register); | |
2549 | ||
2550 | /* AI_SI2_Reload_Mode = alternate */ | |
2551 | /* AI_SI2_Initial_Load_Source = A */ | |
2552 | mode2 &= ~AI_SI2_Initial_Load_Source; | |
2553 | mode2 |= AI_SI2_Reload_Mode; | |
2554 | devpriv->stc_writew(dev, mode2, AI_Mode_2_Register); | |
2555 | ||
2556 | /* AI_SI2_Load */ | |
2557 | devpriv->stc_writew(dev, AI_SI2_Load, AI_Command_1_Register); | |
2558 | ||
2696fb57 BP |
2559 | mode2 |= AI_SI2_Reload_Mode; /* alternate */ |
2560 | mode2 |= AI_SI2_Initial_Load_Source; /* B */ | |
03aef4b6 DS |
2561 | |
2562 | devpriv->stc_writew(dev, mode2, AI_Mode_2_Register); | |
2563 | break; | |
2564 | case TRIG_EXT: | |
2565 | mode1 |= AI_CONVERT_Source_Select(1 + cmd->convert_arg); | |
2566 | if ((cmd->convert_arg & CR_INVERT) == 0) | |
2567 | mode1 |= AI_CONVERT_Source_Polarity; | |
2568 | devpriv->stc_writew(dev, mode1, AI_Mode_1_Register); | |
2569 | ||
2570 | mode2 |= AI_Start_Stop_Gate_Enable | AI_SC_Gate_Enable; | |
2571 | devpriv->stc_writew(dev, mode2, AI_Mode_2_Register); | |
2572 | ||
2573 | break; | |
2574 | } | |
2575 | ||
2576 | if (dev->irq) { | |
2577 | ||
2578 | /* interrupt on FIFO, errors, SC_TC */ | |
2579 | interrupt_a_enable |= AI_Error_Interrupt_Enable | | |
0a85b6f0 | 2580 | AI_SC_TC_Interrupt_Enable; |
03aef4b6 DS |
2581 | |
2582 | #ifndef PCIDMA | |
2583 | interrupt_a_enable |= AI_FIFO_Interrupt_Enable; | |
2584 | #endif | |
2585 | ||
2586 | if (cmd->flags & TRIG_WAKE_EOS | |
0a85b6f0 | 2587 | || (devpriv->ai_cmd2 & AI_End_On_End_Of_Scan)) { |
03aef4b6 DS |
2588 | /* wake on end-of-scan */ |
2589 | devpriv->aimode = AIMODE_SCAN; | |
2590 | } else { | |
2591 | devpriv->aimode = AIMODE_HALF_FULL; | |
2592 | } | |
2593 | ||
2594 | switch (devpriv->aimode) { | |
2595 | case AIMODE_HALF_FULL: | |
2596 | /*generate FIFO interrupts and DMA requests on half-full */ | |
2597 | #ifdef PCIDMA | |
2598 | devpriv->stc_writew(dev, AI_FIFO_Mode_HF_to_E, | |
0a85b6f0 | 2599 | AI_Mode_3_Register); |
03aef4b6 DS |
2600 | #else |
2601 | devpriv->stc_writew(dev, AI_FIFO_Mode_HF, | |
0a85b6f0 | 2602 | AI_Mode_3_Register); |
03aef4b6 DS |
2603 | #endif |
2604 | break; | |
2605 | case AIMODE_SAMPLE: | |
2606 | /*generate FIFO interrupts on non-empty */ | |
2607 | devpriv->stc_writew(dev, AI_FIFO_Mode_NE, | |
0a85b6f0 | 2608 | AI_Mode_3_Register); |
03aef4b6 DS |
2609 | break; |
2610 | case AIMODE_SCAN: | |
2611 | #ifdef PCIDMA | |
2612 | devpriv->stc_writew(dev, AI_FIFO_Mode_NE, | |
0a85b6f0 | 2613 | AI_Mode_3_Register); |
03aef4b6 DS |
2614 | #else |
2615 | devpriv->stc_writew(dev, AI_FIFO_Mode_HF, | |
0a85b6f0 | 2616 | AI_Mode_3_Register); |
03aef4b6 DS |
2617 | #endif |
2618 | interrupt_a_enable |= AI_STOP_Interrupt_Enable; | |
2619 | break; | |
2620 | default: | |
2621 | break; | |
2622 | } | |
2623 | ||
2624 | devpriv->stc_writew(dev, AI_Error_Interrupt_Ack | AI_STOP_Interrupt_Ack | AI_START_Interrupt_Ack | AI_START2_Interrupt_Ack | AI_START1_Interrupt_Ack | AI_SC_TC_Interrupt_Ack | AI_SC_TC_Error_Confirm, Interrupt_A_Ack_Register); /* clear interrupts */ | |
2625 | ||
2626 | ni_set_bits(dev, Interrupt_A_Enable_Register, | |
0a85b6f0 | 2627 | interrupt_a_enable, 1); |
03aef4b6 DS |
2628 | |
2629 | MDPRINTK("Interrupt_A_Enable_Register = 0x%04x\n", | |
0a85b6f0 | 2630 | devpriv->int_a_enable_reg); |
03aef4b6 DS |
2631 | } else { |
2632 | /* interrupt on nothing */ | |
2633 | ni_set_bits(dev, Interrupt_A_Enable_Register, ~0, 0); | |
2634 | ||
2635 | /* XXX start polling if necessary */ | |
2636 | MDPRINTK("interrupting on nothing\n"); | |
2637 | } | |
2638 | ||
2639 | /* end configuration */ | |
2640 | devpriv->stc_writew(dev, AI_Configuration_End, Joint_Reset_Register); | |
2641 | ||
2642 | switch (cmd->scan_begin_src) { | |
2643 | case TRIG_TIMER: | |
2644 | devpriv->stc_writew(dev, | |
0a85b6f0 MT |
2645 | AI_SI2_Arm | AI_SI_Arm | AI_DIV_Arm | |
2646 | AI_SC_Arm, AI_Command_1_Register); | |
03aef4b6 DS |
2647 | break; |
2648 | case TRIG_EXT: | |
2649 | /* XXX AI_SI_Arm? */ | |
2650 | devpriv->stc_writew(dev, | |
0a85b6f0 MT |
2651 | AI_SI2_Arm | AI_SI_Arm | AI_DIV_Arm | |
2652 | AI_SC_Arm, AI_Command_1_Register); | |
03aef4b6 DS |
2653 | break; |
2654 | } | |
2655 | ||
2656 | #ifdef PCIDMA | |
2657 | { | |
2658 | int retval = ni_ai_setup_MITE_dma(dev); | |
2659 | if (retval) | |
2660 | return retval; | |
2661 | } | |
2696fb57 | 2662 | /* mite_dump_regs(devpriv->mite); */ |
03aef4b6 DS |
2663 | #endif |
2664 | ||
2665 | switch (cmd->start_src) { | |
2666 | case TRIG_NOW: | |
2667 | /* AI_START1_Pulse */ | |
2668 | devpriv->stc_writew(dev, AI_START1_Pulse | devpriv->ai_cmd2, | |
0a85b6f0 | 2669 | AI_Command_2_Register); |
03aef4b6 DS |
2670 | s->async->inttrig = NULL; |
2671 | break; | |
2672 | case TRIG_EXT: | |
2673 | s->async->inttrig = NULL; | |
2674 | break; | |
2675 | case TRIG_INT: | |
2676 | s->async->inttrig = &ni_ai_inttrig; | |
2677 | break; | |
2678 | } | |
2679 | ||
2680 | MDPRINTK("exit ni_ai_cmd\n"); | |
2681 | ||
2682 | return 0; | |
2683 | } | |
2684 | ||
da91b269 | 2685 | static int ni_ai_inttrig(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 | 2686 | unsigned int trignum) |
03aef4b6 DS |
2687 | { |
2688 | if (trignum != 0) | |
2689 | return -EINVAL; | |
2690 | ||
2691 | devpriv->stc_writew(dev, AI_START1_Pulse | devpriv->ai_cmd2, | |
0a85b6f0 | 2692 | AI_Command_2_Register); |
03aef4b6 DS |
2693 | s->async->inttrig = NULL; |
2694 | ||
2695 | return 1; | |
2696 | } | |
2697 | ||
0a85b6f0 MT |
2698 | static int ni_ai_config_analog_trig(struct comedi_device *dev, |
2699 | struct comedi_subdevice *s, | |
2700 | struct comedi_insn *insn, | |
2701 | unsigned int *data); | |
03aef4b6 | 2702 | |
0a85b6f0 MT |
2703 | static int ni_ai_insn_config(struct comedi_device *dev, |
2704 | struct comedi_subdevice *s, | |
2705 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
2706 | { |
2707 | if (insn->n < 1) | |
2708 | return -EINVAL; | |
2709 | ||
2710 | switch (data[0]) { | |
2711 | case INSN_CONFIG_ANALOG_TRIG: | |
2712 | return ni_ai_config_analog_trig(dev, s, insn, data); | |
2713 | case INSN_CONFIG_ALT_SOURCE: | |
2714 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
2715 | if (data[1] & ~(MSeries_AI_Bypass_Cal_Sel_Pos_Mask | | |
2716 | MSeries_AI_Bypass_Cal_Sel_Neg_Mask | | |
2717 | MSeries_AI_Bypass_Mode_Mux_Mask | | |
2718 | MSeries_AO_Bypass_AO_Cal_Sel_Mask)) { | |
2719 | return -EINVAL; | |
2720 | } | |
2721 | devpriv->ai_calib_source = data[1]; | |
2722 | } else if (boardtype.reg_type == ni_reg_6143) { | |
2723 | unsigned int calib_source; | |
2724 | ||
2725 | calib_source = data[1] & 0xf; | |
2726 | ||
2727 | if (calib_source > 0xF) | |
2728 | return -EINVAL; | |
2729 | ||
2730 | devpriv->ai_calib_source = calib_source; | |
2731 | ni_writew(calib_source, Calibration_Channel_6143); | |
2732 | } else { | |
2733 | unsigned int calib_source; | |
2734 | unsigned int calib_source_adjust; | |
2735 | ||
2736 | calib_source = data[1] & 0xf; | |
2737 | calib_source_adjust = (data[1] >> 4) & 0xff; | |
2738 | ||
2739 | if (calib_source >= 8) | |
2740 | return -EINVAL; | |
2741 | devpriv->ai_calib_source = calib_source; | |
2742 | if (boardtype.reg_type == ni_reg_611x) { | |
2743 | ni_writeb(calib_source_adjust, | |
0a85b6f0 | 2744 | Cal_Gain_Select_611x); |
03aef4b6 DS |
2745 | } |
2746 | } | |
2747 | return 2; | |
2748 | default: | |
2749 | break; | |
2750 | } | |
2751 | ||
2752 | return -EINVAL; | |
2753 | } | |
2754 | ||
0a85b6f0 MT |
2755 | static int ni_ai_config_analog_trig(struct comedi_device *dev, |
2756 | struct comedi_subdevice *s, | |
2757 | struct comedi_insn *insn, | |
2758 | unsigned int *data) | |
03aef4b6 DS |
2759 | { |
2760 | unsigned int a, b, modebits; | |
2761 | int err = 0; | |
2762 | ||
2763 | /* data[1] is flags | |
2764 | * data[2] is analog line | |
2765 | * data[3] is set level | |
2766 | * data[4] is reset level */ | |
2767 | if (!boardtype.has_analog_trig) | |
2768 | return -EINVAL; | |
2769 | if ((data[1] & 0xffff0000) != COMEDI_EV_SCAN_BEGIN) { | |
2770 | data[1] &= (COMEDI_EV_SCAN_BEGIN | 0xffff); | |
2771 | err++; | |
2772 | } | |
2773 | if (data[2] >= boardtype.n_adchan) { | |
2774 | data[2] = boardtype.n_adchan - 1; | |
2775 | err++; | |
2776 | } | |
2777 | if (data[3] > 255) { /* a */ | |
2778 | data[3] = 255; | |
2779 | err++; | |
2780 | } | |
2781 | if (data[4] > 255) { /* b */ | |
2782 | data[4] = 255; | |
2783 | err++; | |
2784 | } | |
2785 | /* | |
2786 | * 00 ignore | |
2787 | * 01 set | |
2788 | * 10 reset | |
2789 | * | |
2790 | * modes: | |
2791 | * 1 level: +b- +a- | |
2792 | * high mode 00 00 01 10 | |
2793 | * low mode 00 00 10 01 | |
2794 | * 2 level: (a<b) | |
2795 | * hysteresis low mode 10 00 00 01 | |
2796 | * hysteresis high mode 01 00 00 10 | |
2797 | * middle mode 10 01 01 10 | |
2798 | */ | |
2799 | ||
2800 | a = data[3]; | |
2801 | b = data[4]; | |
2802 | modebits = data[1] & 0xff; | |
2803 | if (modebits & 0xf0) { | |
2804 | /* two level mode */ | |
2805 | if (b < a) { | |
2806 | /* swap order */ | |
2807 | a = data[4]; | |
2808 | b = data[3]; | |
2809 | modebits = | |
0a85b6f0 | 2810 | ((data[1] & 0xf) << 4) | ((data[1] & 0xf0) >> 4); |
03aef4b6 DS |
2811 | } |
2812 | devpriv->atrig_low = a; | |
2813 | devpriv->atrig_high = b; | |
2814 | switch (modebits) { | |
2815 | case 0x81: /* low hysteresis mode */ | |
2816 | devpriv->atrig_mode = 6; | |
2817 | break; | |
2818 | case 0x42: /* high hysteresis mode */ | |
2819 | devpriv->atrig_mode = 3; | |
2820 | break; | |
2821 | case 0x96: /* middle window mode */ | |
2822 | devpriv->atrig_mode = 2; | |
2823 | break; | |
2824 | default: | |
2825 | data[1] &= ~0xff; | |
2826 | err++; | |
2827 | } | |
2828 | } else { | |
2829 | /* one level mode */ | |
2830 | if (b != 0) { | |
2831 | data[4] = 0; | |
2832 | err++; | |
2833 | } | |
2834 | switch (modebits) { | |
2835 | case 0x06: /* high window mode */ | |
2836 | devpriv->atrig_high = a; | |
2837 | devpriv->atrig_mode = 0; | |
2838 | break; | |
2839 | case 0x09: /* low window mode */ | |
2840 | devpriv->atrig_low = a; | |
2841 | devpriv->atrig_mode = 1; | |
2842 | break; | |
2843 | default: | |
2844 | data[1] &= ~0xff; | |
2845 | err++; | |
2846 | } | |
2847 | } | |
2848 | if (err) | |
2849 | return -EAGAIN; | |
2850 | return 5; | |
2851 | } | |
2852 | ||
2853 | /* munge data from unsigned to 2's complement for analog output bipolar modes */ | |
da91b269 | 2854 | static void ni_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 MT |
2855 | void *data, unsigned int num_bytes, |
2856 | unsigned int chan_index) | |
03aef4b6 | 2857 | { |
d163679c | 2858 | struct comedi_async *async = s->async; |
03aef4b6 DS |
2859 | unsigned int range; |
2860 | unsigned int i; | |
2861 | unsigned int offset; | |
790c5541 BP |
2862 | unsigned int length = num_bytes / sizeof(short); |
2863 | short *array = data; | |
03aef4b6 DS |
2864 | |
2865 | offset = 1 << (boardtype.aobits - 1); | |
2866 | for (i = 0; i < length; i++) { | |
2867 | range = CR_RANGE(async->cmd.chanlist[chan_index]); | |
2868 | if (boardtype.ao_unipolar == 0 || (range & 1) == 0) | |
2869 | array[i] -= offset; | |
2870 | #ifdef PCIDMA | |
2871 | array[i] = cpu_to_le16(array[i]); | |
2872 | #endif | |
2873 | chan_index++; | |
2874 | chan_index %= async->cmd.chanlist_len; | |
2875 | } | |
2876 | } | |
2877 | ||
da91b269 | 2878 | static int ni_m_series_ao_config_chanlist(struct comedi_device *dev, |
0a85b6f0 MT |
2879 | struct comedi_subdevice *s, |
2880 | unsigned int chanspec[], | |
2881 | unsigned int n_chans, int timed) | |
03aef4b6 DS |
2882 | { |
2883 | unsigned int range; | |
2884 | unsigned int chan; | |
2885 | unsigned int conf; | |
2886 | int i; | |
2887 | int invert = 0; | |
2888 | ||
53106ae6 | 2889 | if (timed) { |
03aef4b6 DS |
2890 | for (i = 0; i < boardtype.n_aochan; ++i) { |
2891 | devpriv->ao_conf[i] &= ~MSeries_AO_Update_Timed_Bit; | |
0a85b6f0 MT |
2892 | ni_writeb(devpriv->ao_conf[i], |
2893 | M_Offset_AO_Config_Bank(i)); | |
03aef4b6 DS |
2894 | ni_writeb(0xf, M_Offset_AO_Waveform_Order(i)); |
2895 | } | |
2896 | } | |
2897 | for (i = 0; i < n_chans; i++) { | |
1f6325d6 | 2898 | const struct comedi_krange *krange; |
03aef4b6 DS |
2899 | chan = CR_CHAN(chanspec[i]); |
2900 | range = CR_RANGE(chanspec[i]); | |
2901 | krange = s->range_table->range + range; | |
2902 | invert = 0; | |
2903 | conf = 0; | |
2904 | switch (krange->max - krange->min) { | |
2905 | case 20000000: | |
2906 | conf |= MSeries_AO_DAC_Reference_10V_Internal_Bits; | |
2907 | ni_writeb(0, M_Offset_AO_Reference_Attenuation(chan)); | |
2908 | break; | |
2909 | case 10000000: | |
2910 | conf |= MSeries_AO_DAC_Reference_5V_Internal_Bits; | |
2911 | ni_writeb(0, M_Offset_AO_Reference_Attenuation(chan)); | |
2912 | break; | |
2913 | case 4000000: | |
2914 | conf |= MSeries_AO_DAC_Reference_10V_Internal_Bits; | |
2915 | ni_writeb(MSeries_Attenuate_x5_Bit, | |
0a85b6f0 | 2916 | M_Offset_AO_Reference_Attenuation(chan)); |
03aef4b6 DS |
2917 | break; |
2918 | case 2000000: | |
2919 | conf |= MSeries_AO_DAC_Reference_5V_Internal_Bits; | |
2920 | ni_writeb(MSeries_Attenuate_x5_Bit, | |
0a85b6f0 | 2921 | M_Offset_AO_Reference_Attenuation(chan)); |
03aef4b6 DS |
2922 | break; |
2923 | default: | |
5f74ea14 | 2924 | printk("%s: bug! unhandled ao reference voltage\n", |
0a85b6f0 | 2925 | __func__); |
03aef4b6 DS |
2926 | break; |
2927 | } | |
2928 | switch (krange->max + krange->min) { | |
2929 | case 0: | |
2930 | conf |= MSeries_AO_DAC_Offset_0V_Bits; | |
2931 | break; | |
2932 | case 10000000: | |
2933 | conf |= MSeries_AO_DAC_Offset_5V_Bits; | |
2934 | break; | |
2935 | default: | |
5f74ea14 | 2936 | printk("%s: bug! unhandled ao offset voltage\n", |
0a85b6f0 | 2937 | __func__); |
03aef4b6 DS |
2938 | break; |
2939 | } | |
2940 | if (timed) | |
2941 | conf |= MSeries_AO_Update_Timed_Bit; | |
2942 | ni_writeb(conf, M_Offset_AO_Config_Bank(chan)); | |
2943 | devpriv->ao_conf[chan] = conf; | |
2944 | ni_writeb(i, M_Offset_AO_Waveform_Order(chan)); | |
2945 | } | |
2946 | return invert; | |
2947 | } | |
2948 | ||
0a85b6f0 MT |
2949 | static int ni_old_ao_config_chanlist(struct comedi_device *dev, |
2950 | struct comedi_subdevice *s, | |
2951 | unsigned int chanspec[], | |
2952 | unsigned int n_chans) | |
03aef4b6 DS |
2953 | { |
2954 | unsigned int range; | |
2955 | unsigned int chan; | |
2956 | unsigned int conf; | |
2957 | int i; | |
2958 | int invert = 0; | |
2959 | ||
2960 | for (i = 0; i < n_chans; i++) { | |
2961 | chan = CR_CHAN(chanspec[i]); | |
2962 | range = CR_RANGE(chanspec[i]); | |
2963 | conf = AO_Channel(chan); | |
2964 | ||
2965 | if (boardtype.ao_unipolar) { | |
2966 | if ((range & 1) == 0) { | |
2967 | conf |= AO_Bipolar; | |
2968 | invert = (1 << (boardtype.aobits - 1)); | |
2969 | } else { | |
2970 | invert = 0; | |
2971 | } | |
2972 | if (range & 2) | |
2973 | conf |= AO_Ext_Ref; | |
2974 | } else { | |
2975 | conf |= AO_Bipolar; | |
2976 | invert = (1 << (boardtype.aobits - 1)); | |
2977 | } | |
2978 | ||
2979 | /* not all boards can deglitch, but this shouldn't hurt */ | |
2980 | if (chanspec[i] & CR_DEGLITCH) | |
2981 | conf |= AO_Deglitch; | |
2982 | ||
2983 | /* analog reference */ | |
2984 | /* AREF_OTHER connects AO ground to AI ground, i think */ | |
2985 | conf |= (CR_AREF(chanspec[i]) == | |
0a85b6f0 | 2986 | AREF_OTHER) ? AO_Ground_Ref : 0; |
03aef4b6 DS |
2987 | |
2988 | ni_writew(conf, AO_Configuration); | |
2989 | devpriv->ao_conf[chan] = conf; | |
2990 | } | |
2991 | return invert; | |
2992 | } | |
2993 | ||
0a85b6f0 MT |
2994 | static int ni_ao_config_chanlist(struct comedi_device *dev, |
2995 | struct comedi_subdevice *s, | |
2996 | unsigned int chanspec[], unsigned int n_chans, | |
2997 | int timed) | |
03aef4b6 DS |
2998 | { |
2999 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
3000 | return ni_m_series_ao_config_chanlist(dev, s, chanspec, n_chans, | |
0a85b6f0 | 3001 | timed); |
03aef4b6 DS |
3002 | else |
3003 | return ni_old_ao_config_chanlist(dev, s, chanspec, n_chans); | |
3004 | } | |
0a85b6f0 MT |
3005 | |
3006 | static int ni_ao_insn_read(struct comedi_device *dev, | |
3007 | struct comedi_subdevice *s, struct comedi_insn *insn, | |
3008 | unsigned int *data) | |
03aef4b6 DS |
3009 | { |
3010 | data[0] = devpriv->ao[CR_CHAN(insn->chanspec)]; | |
3011 | ||
3012 | return 1; | |
3013 | } | |
3014 | ||
0a85b6f0 MT |
3015 | static int ni_ao_insn_write(struct comedi_device *dev, |
3016 | struct comedi_subdevice *s, | |
3017 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
3018 | { |
3019 | unsigned int chan = CR_CHAN(insn->chanspec); | |
3020 | unsigned int invert; | |
3021 | ||
3022 | invert = ni_ao_config_chanlist(dev, s, &insn->chanspec, 1, 0); | |
3023 | ||
3024 | devpriv->ao[chan] = data[0]; | |
3025 | ||
3026 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
3027 | ni_writew(data[0], M_Offset_DAC_Direct_Data(chan)); | |
3028 | } else | |
3029 | ni_writew(data[0] ^ invert, | |
0a85b6f0 | 3030 | (chan) ? DAC1_Direct_Data : DAC0_Direct_Data); |
03aef4b6 DS |
3031 | |
3032 | return 1; | |
3033 | } | |
3034 | ||
0a85b6f0 MT |
3035 | static int ni_ao_insn_write_671x(struct comedi_device *dev, |
3036 | struct comedi_subdevice *s, | |
3037 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
3038 | { |
3039 | unsigned int chan = CR_CHAN(insn->chanspec); | |
3040 | unsigned int invert; | |
3041 | ||
3042 | ao_win_out(1 << chan, AO_Immediate_671x); | |
3043 | invert = 1 << (boardtype.aobits - 1); | |
3044 | ||
3045 | ni_ao_config_chanlist(dev, s, &insn->chanspec, 1, 0); | |
3046 | ||
3047 | devpriv->ao[chan] = data[0]; | |
3048 | ao_win_out(data[0] ^ invert, DACx_Direct_Data_671x(chan)); | |
3049 | ||
3050 | return 1; | |
3051 | } | |
3052 | ||
0a85b6f0 MT |
3053 | static int ni_ao_insn_config(struct comedi_device *dev, |
3054 | struct comedi_subdevice *s, | |
3055 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
3056 | { |
3057 | switch (data[0]) { | |
3058 | case INSN_CONFIG_GET_HARDWARE_BUFFER_SIZE: | |
0a85b6f0 | 3059 | switch (data[1]) { |
03aef4b6 | 3060 | case COMEDI_OUTPUT: |
790c5541 | 3061 | data[2] = 1 + boardtype.ao_fifo_depth * sizeof(short); |
0a85b6f0 MT |
3062 | if (devpriv->mite) |
3063 | data[2] += devpriv->mite->fifo_size; | |
03aef4b6 DS |
3064 | break; |
3065 | case COMEDI_INPUT: | |
3066 | data[2] = 0; | |
3067 | break; | |
3068 | default: | |
3069 | return -EINVAL; | |
3070 | break; | |
3071 | } | |
3072 | return 0; | |
3073 | default: | |
3074 | break; | |
3075 | } | |
3076 | ||
3077 | return -EINVAL; | |
3078 | } | |
3079 | ||
da91b269 | 3080 | static int ni_ao_inttrig(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 | 3081 | unsigned int trignum) |
03aef4b6 DS |
3082 | { |
3083 | int ret; | |
3084 | int interrupt_b_bits; | |
3085 | int i; | |
3086 | static const int timeout = 1000; | |
3087 | ||
3088 | if (trignum != 0) | |
3089 | return -EINVAL; | |
3090 | ||
3091 | /* Null trig at beginning prevent ao start trigger from executing more than | |
3092 | once per command (and doing things like trying to allocate the ao dma channel | |
3093 | multiple times) */ | |
3094 | s->async->inttrig = NULL; | |
3095 | ||
3096 | ni_set_bits(dev, Interrupt_B_Enable_Register, | |
0a85b6f0 | 3097 | AO_FIFO_Interrupt_Enable | AO_Error_Interrupt_Enable, 0); |
03aef4b6 DS |
3098 | interrupt_b_bits = AO_Error_Interrupt_Enable; |
3099 | #ifdef PCIDMA | |
3100 | devpriv->stc_writew(dev, 1, DAC_FIFO_Clear); | |
3101 | if (boardtype.reg_type & ni_reg_6xxx_mask) | |
3102 | ni_ao_win_outl(dev, 0x6, AO_FIFO_Offset_Load_611x); | |
3103 | ret = ni_ao_setup_MITE_dma(dev); | |
3104 | if (ret) | |
3105 | return ret; | |
3106 | ret = ni_ao_wait_for_dma_load(dev); | |
3107 | if (ret < 0) | |
3108 | return ret; | |
3109 | #else | |
3110 | ret = ni_ao_prep_fifo(dev, s); | |
3111 | if (ret == 0) | |
3112 | return -EPIPE; | |
3113 | ||
3114 | interrupt_b_bits |= AO_FIFO_Interrupt_Enable; | |
3115 | #endif | |
3116 | ||
3117 | devpriv->stc_writew(dev, devpriv->ao_mode3 | AO_Not_An_UPDATE, | |
0a85b6f0 | 3118 | AO_Mode_3_Register); |
03aef4b6 DS |
3119 | devpriv->stc_writew(dev, devpriv->ao_mode3, AO_Mode_3_Register); |
3120 | /* wait for DACs to be loaded */ | |
3121 | for (i = 0; i < timeout; i++) { | |
5f74ea14 | 3122 | udelay(1); |
03aef4b6 DS |
3123 | if ((devpriv->stc_readw(dev, |
3124 | Joint_Status_2_Register) & | |
0a85b6f0 | 3125 | AO_TMRDACWRs_In_Progress_St) == 0) |
03aef4b6 DS |
3126 | break; |
3127 | } | |
3128 | if (i == timeout) { | |
3129 | comedi_error(dev, | |
0a85b6f0 | 3130 | "timed out waiting for AO_TMRDACWRs_In_Progress_St to clear"); |
03aef4b6 DS |
3131 | return -EIO; |
3132 | } | |
2696fb57 | 3133 | /* stc manual says we are need to clear error interrupt after AO_TMRDACWRs_In_Progress_St clears */ |
03aef4b6 | 3134 | devpriv->stc_writew(dev, AO_Error_Interrupt_Ack, |
0a85b6f0 | 3135 | Interrupt_B_Ack_Register); |
03aef4b6 DS |
3136 | |
3137 | ni_set_bits(dev, Interrupt_B_Enable_Register, interrupt_b_bits, 1); | |
3138 | ||
3139 | devpriv->stc_writew(dev, | |
0a85b6f0 MT |
3140 | devpriv->ao_cmd1 | AO_UI_Arm | AO_UC_Arm | AO_BC_Arm |
3141 | | AO_DAC1_Update_Mode | AO_DAC0_Update_Mode, | |
3142 | AO_Command_1_Register); | |
03aef4b6 DS |
3143 | |
3144 | devpriv->stc_writew(dev, devpriv->ao_cmd2 | AO_START1_Pulse, | |
0a85b6f0 | 3145 | AO_Command_2_Register); |
03aef4b6 DS |
3146 | |
3147 | return 0; | |
3148 | } | |
3149 | ||
da91b269 | 3150 | static int ni_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 | 3151 | { |
ea6d0d4c | 3152 | const struct comedi_cmd *cmd = &s->async->cmd; |
03aef4b6 DS |
3153 | int bits; |
3154 | int i; | |
3155 | unsigned trigvar; | |
3156 | ||
3157 | if (dev->irq == 0) { | |
3158 | comedi_error(dev, "cannot run command without an irq"); | |
3159 | return -EIO; | |
3160 | } | |
3161 | ||
3162 | devpriv->stc_writew(dev, AO_Configuration_Start, Joint_Reset_Register); | |
3163 | ||
3164 | devpriv->stc_writew(dev, AO_Disarm, AO_Command_1_Register); | |
3165 | ||
3166 | if (boardtype.reg_type & ni_reg_6xxx_mask) { | |
3167 | ao_win_out(CLEAR_WG, AO_Misc_611x); | |
3168 | ||
3169 | bits = 0; | |
3170 | for (i = 0; i < cmd->chanlist_len; i++) { | |
3171 | int chan; | |
3172 | ||
3173 | chan = CR_CHAN(cmd->chanlist[i]); | |
3174 | bits |= 1 << chan; | |
3175 | ao_win_out(chan, AO_Waveform_Generation_611x); | |
3176 | } | |
3177 | ao_win_out(bits, AO_Timed_611x); | |
3178 | } | |
3179 | ||
3180 | ni_ao_config_chanlist(dev, s, cmd->chanlist, cmd->chanlist_len, 1); | |
3181 | ||
3182 | if (cmd->stop_src == TRIG_NONE) { | |
3183 | devpriv->ao_mode1 |= AO_Continuous; | |
3184 | devpriv->ao_mode1 &= ~AO_Trigger_Once; | |
3185 | } else { | |
3186 | devpriv->ao_mode1 &= ~AO_Continuous; | |
3187 | devpriv->ao_mode1 |= AO_Trigger_Once; | |
3188 | } | |
3189 | devpriv->stc_writew(dev, devpriv->ao_mode1, AO_Mode_1_Register); | |
3190 | switch (cmd->start_src) { | |
3191 | case TRIG_INT: | |
3192 | case TRIG_NOW: | |
3193 | devpriv->ao_trigger_select &= | |
0a85b6f0 | 3194 | ~(AO_START1_Polarity | AO_START1_Select(-1)); |
03aef4b6 DS |
3195 | devpriv->ao_trigger_select |= AO_START1_Edge | AO_START1_Sync; |
3196 | devpriv->stc_writew(dev, devpriv->ao_trigger_select, | |
0a85b6f0 | 3197 | AO_Trigger_Select_Register); |
03aef4b6 DS |
3198 | break; |
3199 | case TRIG_EXT: | |
0a85b6f0 MT |
3200 | devpriv->ao_trigger_select = |
3201 | AO_START1_Select(CR_CHAN(cmd->start_arg) + 1); | |
03aef4b6 | 3202 | if (cmd->start_arg & CR_INVERT) |
0a85b6f0 | 3203 | devpriv->ao_trigger_select |= AO_START1_Polarity; /* 0=active high, 1=active low. see daq-stc 3-24 (p186) */ |
03aef4b6 | 3204 | if (cmd->start_arg & CR_EDGE) |
0a85b6f0 MT |
3205 | devpriv->ao_trigger_select |= AO_START1_Edge; /* 0=edge detection disabled, 1=enabled */ |
3206 | devpriv->stc_writew(dev, devpriv->ao_trigger_select, | |
3207 | AO_Trigger_Select_Register); | |
03aef4b6 DS |
3208 | break; |
3209 | default: | |
3210 | BUG(); | |
3211 | break; | |
3212 | } | |
3213 | devpriv->ao_mode3 &= ~AO_Trigger_Length; | |
3214 | devpriv->stc_writew(dev, devpriv->ao_mode3, AO_Mode_3_Register); | |
3215 | ||
3216 | devpriv->stc_writew(dev, devpriv->ao_mode1, AO_Mode_1_Register); | |
3217 | devpriv->ao_mode2 &= ~AO_BC_Initial_Load_Source; | |
3218 | devpriv->stc_writew(dev, devpriv->ao_mode2, AO_Mode_2_Register); | |
3219 | if (cmd->stop_src == TRIG_NONE) { | |
3220 | devpriv->stc_writel(dev, 0xffffff, AO_BC_Load_A_Register); | |
3221 | } else { | |
3222 | devpriv->stc_writel(dev, 0, AO_BC_Load_A_Register); | |
3223 | } | |
3224 | devpriv->stc_writew(dev, AO_BC_Load, AO_Command_1_Register); | |
3225 | devpriv->ao_mode2 &= ~AO_UC_Initial_Load_Source; | |
3226 | devpriv->stc_writew(dev, devpriv->ao_mode2, AO_Mode_2_Register); | |
3227 | switch (cmd->stop_src) { | |
3228 | case TRIG_COUNT: | |
0a85b6f0 | 3229 | if (boardtype.reg_type & ni_reg_m_series_mask) { |
2696fb57 | 3230 | /* this is how the NI example code does it for m-series boards, verified correct with 6259 */ |
03aef4b6 | 3231 | devpriv->stc_writel(dev, cmd->stop_arg - 1, |
0a85b6f0 MT |
3232 | AO_UC_Load_A_Register); |
3233 | devpriv->stc_writew(dev, AO_UC_Load, | |
3234 | AO_Command_1_Register); | |
3235 | } else { | |
3236 | devpriv->stc_writel(dev, cmd->stop_arg, | |
3237 | AO_UC_Load_A_Register); | |
3238 | devpriv->stc_writew(dev, AO_UC_Load, | |
3239 | AO_Command_1_Register); | |
3240 | devpriv->stc_writel(dev, cmd->stop_arg - 1, | |
3241 | AO_UC_Load_A_Register); | |
03aef4b6 DS |
3242 | } |
3243 | break; | |
3244 | case TRIG_NONE: | |
3245 | devpriv->stc_writel(dev, 0xffffff, AO_UC_Load_A_Register); | |
3246 | devpriv->stc_writew(dev, AO_UC_Load, AO_Command_1_Register); | |
3247 | devpriv->stc_writel(dev, 0xffffff, AO_UC_Load_A_Register); | |
3248 | break; | |
3249 | default: | |
3250 | devpriv->stc_writel(dev, 0, AO_UC_Load_A_Register); | |
3251 | devpriv->stc_writew(dev, AO_UC_Load, AO_Command_1_Register); | |
3252 | devpriv->stc_writel(dev, cmd->stop_arg, AO_UC_Load_A_Register); | |
3253 | } | |
3254 | ||
3255 | devpriv->ao_mode1 &= | |
0a85b6f0 MT |
3256 | ~(AO_UI_Source_Select(0x1f) | AO_UI_Source_Polarity | |
3257 | AO_UPDATE_Source_Select(0x1f) | AO_UPDATE_Source_Polarity); | |
03aef4b6 DS |
3258 | switch (cmd->scan_begin_src) { |
3259 | case TRIG_TIMER: | |
3260 | devpriv->ao_cmd2 &= ~AO_BC_Gate_Enable; | |
3261 | trigvar = | |
0a85b6f0 MT |
3262 | ni_ns_to_timer(dev, cmd->scan_begin_arg, |
3263 | TRIG_ROUND_NEAREST); | |
03aef4b6 DS |
3264 | devpriv->stc_writel(dev, 1, AO_UI_Load_A_Register); |
3265 | devpriv->stc_writew(dev, AO_UI_Load, AO_Command_1_Register); | |
3266 | devpriv->stc_writel(dev, trigvar, AO_UI_Load_A_Register); | |
3267 | break; | |
3268 | case TRIG_EXT: | |
3269 | devpriv->ao_mode1 |= | |
0a85b6f0 | 3270 | AO_UPDATE_Source_Select(cmd->scan_begin_arg); |
03aef4b6 DS |
3271 | if (cmd->scan_begin_arg & CR_INVERT) |
3272 | devpriv->ao_mode1 |= AO_UPDATE_Source_Polarity; | |
3273 | devpriv->ao_cmd2 |= AO_BC_Gate_Enable; | |
3274 | break; | |
3275 | default: | |
3276 | BUG(); | |
3277 | break; | |
3278 | } | |
3279 | devpriv->stc_writew(dev, devpriv->ao_cmd2, AO_Command_2_Register); | |
3280 | devpriv->stc_writew(dev, devpriv->ao_mode1, AO_Mode_1_Register); | |
3281 | devpriv->ao_mode2 &= | |
0a85b6f0 | 3282 | ~(AO_UI_Reload_Mode(3) | AO_UI_Initial_Load_Source); |
03aef4b6 DS |
3283 | devpriv->stc_writew(dev, devpriv->ao_mode2, AO_Mode_2_Register); |
3284 | ||
3285 | if (cmd->scan_end_arg > 1) { | |
3286 | devpriv->ao_mode1 |= AO_Multiple_Channels; | |
3287 | devpriv->stc_writew(dev, | |
0a85b6f0 MT |
3288 | AO_Number_Of_Channels(cmd->scan_end_arg - |
3289 | 1) | | |
3290 | AO_UPDATE_Output_Select | |
3291 | (AO_Update_Output_High_Z), | |
3292 | AO_Output_Control_Register); | |
03aef4b6 DS |
3293 | } else { |
3294 | unsigned bits; | |
3295 | devpriv->ao_mode1 &= ~AO_Multiple_Channels; | |
3296 | bits = AO_UPDATE_Output_Select(AO_Update_Output_High_Z); | |
0a85b6f0 MT |
3297 | if (boardtype. |
3298 | reg_type & (ni_reg_m_series_mask | ni_reg_6xxx_mask)) { | |
03aef4b6 DS |
3299 | bits |= AO_Number_Of_Channels(0); |
3300 | } else { | |
0a85b6f0 MT |
3301 | bits |= |
3302 | AO_Number_Of_Channels(CR_CHAN(cmd->chanlist[0])); | |
03aef4b6 | 3303 | } |
0a85b6f0 | 3304 | devpriv->stc_writew(dev, bits, AO_Output_Control_Register); |
03aef4b6 DS |
3305 | } |
3306 | devpriv->stc_writew(dev, devpriv->ao_mode1, AO_Mode_1_Register); | |
3307 | ||
3308 | devpriv->stc_writew(dev, AO_DAC0_Update_Mode | AO_DAC1_Update_Mode, | |
0a85b6f0 | 3309 | AO_Command_1_Register); |
03aef4b6 DS |
3310 | |
3311 | devpriv->ao_mode3 |= AO_Stop_On_Overrun_Error; | |
3312 | devpriv->stc_writew(dev, devpriv->ao_mode3, AO_Mode_3_Register); | |
3313 | ||
3314 | devpriv->ao_mode2 &= ~AO_FIFO_Mode_Mask; | |
3315 | #ifdef PCIDMA | |
3316 | devpriv->ao_mode2 |= AO_FIFO_Mode_HF_to_F; | |
3317 | #else | |
3318 | devpriv->ao_mode2 |= AO_FIFO_Mode_HF; | |
3319 | #endif | |
3320 | devpriv->ao_mode2 &= ~AO_FIFO_Retransmit_Enable; | |
3321 | devpriv->stc_writew(dev, devpriv->ao_mode2, AO_Mode_2_Register); | |
3322 | ||
3323 | bits = AO_BC_Source_Select | AO_UPDATE_Pulse_Width | | |
0a85b6f0 | 3324 | AO_TMRDACWR_Pulse_Width; |
03aef4b6 DS |
3325 | if (boardtype.ao_fifo_depth) |
3326 | bits |= AO_FIFO_Enable; | |
3327 | else | |
3328 | bits |= AO_DMA_PIO_Control; | |
3329 | #if 0 | |
3330 | /* F Hess: windows driver does not set AO_Number_Of_DAC_Packages bit for 6281, | |
3331 | verified with bus analyzer. */ | |
3332 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
3333 | bits |= AO_Number_Of_DAC_Packages; | |
3334 | #endif | |
3335 | devpriv->stc_writew(dev, bits, AO_Personal_Register); | |
2696fb57 | 3336 | /* enable sending of ao dma requests */ |
03aef4b6 DS |
3337 | devpriv->stc_writew(dev, AO_AOFREQ_Enable, AO_Start_Select_Register); |
3338 | ||
3339 | devpriv->stc_writew(dev, AO_Configuration_End, Joint_Reset_Register); | |
3340 | ||
3341 | if (cmd->stop_src == TRIG_COUNT) { | |
3342 | devpriv->stc_writew(dev, AO_BC_TC_Interrupt_Ack, | |
0a85b6f0 | 3343 | Interrupt_B_Ack_Register); |
03aef4b6 | 3344 | ni_set_bits(dev, Interrupt_B_Enable_Register, |
0a85b6f0 | 3345 | AO_BC_TC_Interrupt_Enable, 1); |
03aef4b6 DS |
3346 | } |
3347 | ||
3348 | s->async->inttrig = &ni_ao_inttrig; | |
3349 | ||
3350 | return 0; | |
3351 | } | |
3352 | ||
da91b269 | 3353 | static int ni_ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 | 3354 | struct comedi_cmd *cmd) |
03aef4b6 DS |
3355 | { |
3356 | int err = 0; | |
3357 | int tmp; | |
3358 | ||
3359 | /* step 1: make sure trigger sources are trivially valid */ | |
3360 | ||
3361 | if ((cmd->flags & CMDF_WRITE) == 0) { | |
3362 | cmd->flags |= CMDF_WRITE; | |
3363 | } | |
3364 | ||
3365 | tmp = cmd->start_src; | |
3366 | cmd->start_src &= TRIG_INT | TRIG_EXT; | |
3367 | if (!cmd->start_src || tmp != cmd->start_src) | |
3368 | err++; | |
3369 | ||
3370 | tmp = cmd->scan_begin_src; | |
3371 | cmd->scan_begin_src &= TRIG_TIMER | TRIG_EXT; | |
3372 | if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) | |
3373 | err++; | |
3374 | ||
3375 | tmp = cmd->convert_src; | |
3376 | cmd->convert_src &= TRIG_NOW; | |
3377 | if (!cmd->convert_src || tmp != cmd->convert_src) | |
3378 | err++; | |
3379 | ||
3380 | tmp = cmd->scan_end_src; | |
3381 | cmd->scan_end_src &= TRIG_COUNT; | |
3382 | if (!cmd->scan_end_src || tmp != cmd->scan_end_src) | |
3383 | err++; | |
3384 | ||
3385 | tmp = cmd->stop_src; | |
3386 | cmd->stop_src &= TRIG_COUNT | TRIG_NONE; | |
3387 | if (!cmd->stop_src || tmp != cmd->stop_src) | |
3388 | err++; | |
3389 | ||
3390 | if (err) | |
3391 | return 1; | |
3392 | ||
3393 | /* step 2: make sure trigger sources are unique and mutually compatible */ | |
3394 | ||
3395 | if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE) | |
3396 | err++; | |
3397 | ||
3398 | if (err) | |
3399 | return 2; | |
3400 | ||
3401 | /* step 3: make sure arguments are trivially compatible */ | |
3402 | ||
3403 | if (cmd->start_src == TRIG_EXT) { | |
3404 | /* external trigger */ | |
3405 | unsigned int tmp = CR_CHAN(cmd->start_arg); | |
3406 | ||
3407 | if (tmp > 18) | |
3408 | tmp = 18; | |
3409 | tmp |= (cmd->start_arg & (CR_INVERT | CR_EDGE)); | |
3410 | if (cmd->start_arg != tmp) { | |
3411 | cmd->start_arg = tmp; | |
3412 | err++; | |
3413 | } | |
3414 | } else { | |
3415 | if (cmd->start_arg != 0) { | |
3416 | /* true for both TRIG_NOW and TRIG_INT */ | |
3417 | cmd->start_arg = 0; | |
3418 | err++; | |
3419 | } | |
3420 | } | |
3421 | if (cmd->scan_begin_src == TRIG_TIMER) { | |
3422 | if (cmd->scan_begin_arg < boardtype.ao_speed) { | |
3423 | cmd->scan_begin_arg = boardtype.ao_speed; | |
3424 | err++; | |
3425 | } | |
3426 | if (cmd->scan_begin_arg > devpriv->clock_ns * 0xffffff) { /* XXX check */ | |
3427 | cmd->scan_begin_arg = devpriv->clock_ns * 0xffffff; | |
3428 | err++; | |
3429 | } | |
3430 | } | |
3431 | if (cmd->convert_arg != 0) { | |
3432 | cmd->convert_arg = 0; | |
3433 | err++; | |
3434 | } | |
3435 | if (cmd->scan_end_arg != cmd->chanlist_len) { | |
3436 | cmd->scan_end_arg = cmd->chanlist_len; | |
3437 | err++; | |
3438 | } | |
3439 | if (cmd->stop_src == TRIG_COUNT) { /* XXX check */ | |
3440 | if (cmd->stop_arg > 0x00ffffff) { | |
3441 | cmd->stop_arg = 0x00ffffff; | |
3442 | err++; | |
3443 | } | |
3444 | } else { | |
3445 | /* TRIG_NONE */ | |
3446 | if (cmd->stop_arg != 0) { | |
3447 | cmd->stop_arg = 0; | |
3448 | err++; | |
3449 | } | |
3450 | } | |
3451 | ||
3452 | if (err) | |
3453 | return 3; | |
3454 | ||
3455 | /* step 4: fix up any arguments */ | |
3456 | if (cmd->scan_begin_src == TRIG_TIMER) { | |
3457 | tmp = cmd->scan_begin_arg; | |
3458 | cmd->scan_begin_arg = | |
0a85b6f0 MT |
3459 | ni_timer_to_ns(dev, ni_ns_to_timer(dev, |
3460 | cmd->scan_begin_arg, | |
3461 | cmd-> | |
3462 | flags & | |
3463 | TRIG_ROUND_MASK)); | |
03aef4b6 DS |
3464 | if (tmp != cmd->scan_begin_arg) |
3465 | err++; | |
3466 | } | |
3467 | if (err) | |
3468 | return 4; | |
3469 | ||
3470 | /* step 5: fix up chanlist */ | |
3471 | ||
3472 | if (err) | |
3473 | return 5; | |
3474 | ||
3475 | return 0; | |
3476 | } | |
3477 | ||
da91b269 | 3478 | static int ni_ao_reset(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 | 3479 | { |
2696fb57 BP |
3480 | /* devpriv->ao0p=0x0000; */ |
3481 | /* ni_writew(devpriv->ao0p,AO_Configuration); */ | |
03aef4b6 | 3482 | |
2696fb57 BP |
3483 | /* devpriv->ao1p=AO_Channel(1); */ |
3484 | /* ni_writew(devpriv->ao1p,AO_Configuration); */ | |
03aef4b6 DS |
3485 | |
3486 | ni_release_ao_mite_channel(dev); | |
3487 | ||
3488 | devpriv->stc_writew(dev, AO_Configuration_Start, Joint_Reset_Register); | |
3489 | devpriv->stc_writew(dev, AO_Disarm, AO_Command_1_Register); | |
3490 | ni_set_bits(dev, Interrupt_B_Enable_Register, ~0, 0); | |
3491 | devpriv->stc_writew(dev, AO_BC_Source_Select, AO_Personal_Register); | |
3492 | devpriv->stc_writew(dev, 0x3f98, Interrupt_B_Ack_Register); | |
3493 | devpriv->stc_writew(dev, AO_BC_Source_Select | AO_UPDATE_Pulse_Width | | |
0a85b6f0 | 3494 | AO_TMRDACWR_Pulse_Width, AO_Personal_Register); |
03aef4b6 DS |
3495 | devpriv->stc_writew(dev, 0, AO_Output_Control_Register); |
3496 | devpriv->stc_writew(dev, 0, AO_Start_Select_Register); | |
3497 | devpriv->ao_cmd1 = 0; | |
3498 | devpriv->stc_writew(dev, devpriv->ao_cmd1, AO_Command_1_Register); | |
3499 | devpriv->ao_cmd2 = 0; | |
3500 | devpriv->stc_writew(dev, devpriv->ao_cmd2, AO_Command_2_Register); | |
3501 | devpriv->ao_mode1 = 0; | |
3502 | devpriv->stc_writew(dev, devpriv->ao_mode1, AO_Mode_1_Register); | |
3503 | devpriv->ao_mode2 = 0; | |
3504 | devpriv->stc_writew(dev, devpriv->ao_mode2, AO_Mode_2_Register); | |
3505 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
3506 | devpriv->ao_mode3 = AO_Last_Gate_Disable; | |
3507 | else | |
3508 | devpriv->ao_mode3 = 0; | |
3509 | devpriv->stc_writew(dev, devpriv->ao_mode3, AO_Mode_3_Register); | |
3510 | devpriv->ao_trigger_select = 0; | |
3511 | devpriv->stc_writew(dev, devpriv->ao_trigger_select, | |
0a85b6f0 | 3512 | AO_Trigger_Select_Register); |
03aef4b6 DS |
3513 | if (boardtype.reg_type & ni_reg_6xxx_mask) { |
3514 | unsigned immediate_bits = 0; | |
3515 | unsigned i; | |
0a85b6f0 | 3516 | for (i = 0; i < s->n_chan; ++i) { |
03aef4b6 DS |
3517 | immediate_bits |= 1 << i; |
3518 | } | |
3519 | ao_win_out(immediate_bits, AO_Immediate_671x); | |
3520 | ao_win_out(CLEAR_WG, AO_Misc_611x); | |
3521 | } | |
3522 | devpriv->stc_writew(dev, AO_Configuration_End, Joint_Reset_Register); | |
3523 | ||
3524 | return 0; | |
3525 | } | |
3526 | ||
2696fb57 | 3527 | /* digital io */ |
03aef4b6 | 3528 | |
0a85b6f0 MT |
3529 | static int ni_dio_insn_config(struct comedi_device *dev, |
3530 | struct comedi_subdevice *s, | |
3531 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
3532 | { |
3533 | #ifdef DEBUG_DIO | |
5f74ea14 | 3534 | printk("ni_dio_insn_config() chan=%d io=%d\n", |
0a85b6f0 | 3535 | CR_CHAN(insn->chanspec), data[0]); |
03aef4b6 DS |
3536 | #endif |
3537 | switch (data[0]) { | |
3538 | case INSN_CONFIG_DIO_OUTPUT: | |
3539 | s->io_bits |= 1 << CR_CHAN(insn->chanspec); | |
3540 | break; | |
3541 | case INSN_CONFIG_DIO_INPUT: | |
3542 | s->io_bits &= ~(1 << CR_CHAN(insn->chanspec)); | |
3543 | break; | |
3544 | case INSN_CONFIG_DIO_QUERY: | |
3545 | data[1] = | |
0a85b6f0 MT |
3546 | (s-> |
3547 | io_bits & (1 << CR_CHAN(insn->chanspec))) ? COMEDI_OUTPUT : | |
3548 | COMEDI_INPUT; | |
03aef4b6 DS |
3549 | return insn->n; |
3550 | break; | |
3551 | default: | |
3552 | return -EINVAL; | |
3553 | } | |
3554 | ||
3555 | devpriv->dio_control &= ~DIO_Pins_Dir_Mask; | |
3556 | devpriv->dio_control |= DIO_Pins_Dir(s->io_bits); | |
3557 | devpriv->stc_writew(dev, devpriv->dio_control, DIO_Control_Register); | |
3558 | ||
3559 | return 1; | |
3560 | } | |
3561 | ||
0a85b6f0 MT |
3562 | static int ni_dio_insn_bits(struct comedi_device *dev, |
3563 | struct comedi_subdevice *s, | |
3564 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
3565 | { |
3566 | #ifdef DEBUG_DIO | |
5f74ea14 | 3567 | printk("ni_dio_insn_bits() mask=0x%x bits=0x%x\n", data[0], data[1]); |
03aef4b6 DS |
3568 | #endif |
3569 | if (insn->n != 2) | |
3570 | return -EINVAL; | |
3571 | if (data[0]) { | |
3572 | /* Perform check to make sure we're not using the | |
3573 | serial part of the dio */ | |
3574 | if ((data[0] & (DIO_SDIN | DIO_SDOUT)) | |
0a85b6f0 | 3575 | && devpriv->serial_interval_ns) |
03aef4b6 DS |
3576 | return -EBUSY; |
3577 | ||
3578 | s->state &= ~data[0]; | |
3579 | s->state |= (data[0] & data[1]); | |
3580 | devpriv->dio_output &= ~DIO_Parallel_Data_Mask; | |
3581 | devpriv->dio_output |= DIO_Parallel_Data_Out(s->state); | |
3582 | devpriv->stc_writew(dev, devpriv->dio_output, | |
0a85b6f0 | 3583 | DIO_Output_Register); |
03aef4b6 DS |
3584 | } |
3585 | data[1] = devpriv->stc_readw(dev, DIO_Parallel_Input_Register); | |
3586 | ||
3587 | return 2; | |
3588 | } | |
3589 | ||
da91b269 | 3590 | static int ni_m_series_dio_insn_config(struct comedi_device *dev, |
0a85b6f0 MT |
3591 | struct comedi_subdevice *s, |
3592 | struct comedi_insn *insn, | |
3593 | unsigned int *data) | |
03aef4b6 DS |
3594 | { |
3595 | #ifdef DEBUG_DIO | |
5f74ea14 | 3596 | printk("ni_m_series_dio_insn_config() chan=%d io=%d\n", |
0a85b6f0 | 3597 | CR_CHAN(insn->chanspec), data[0]); |
03aef4b6 DS |
3598 | #endif |
3599 | switch (data[0]) { | |
3600 | case INSN_CONFIG_DIO_OUTPUT: | |
3601 | s->io_bits |= 1 << CR_CHAN(insn->chanspec); | |
3602 | break; | |
3603 | case INSN_CONFIG_DIO_INPUT: | |
3604 | s->io_bits &= ~(1 << CR_CHAN(insn->chanspec)); | |
3605 | break; | |
3606 | case INSN_CONFIG_DIO_QUERY: | |
3607 | data[1] = | |
0a85b6f0 MT |
3608 | (s-> |
3609 | io_bits & (1 << CR_CHAN(insn->chanspec))) ? COMEDI_OUTPUT : | |
3610 | COMEDI_INPUT; | |
03aef4b6 DS |
3611 | return insn->n; |
3612 | break; | |
3613 | default: | |
3614 | return -EINVAL; | |
3615 | } | |
3616 | ||
3617 | ni_writel(s->io_bits, M_Offset_DIO_Direction); | |
3618 | ||
3619 | return 1; | |
3620 | } | |
3621 | ||
0a85b6f0 MT |
3622 | static int ni_m_series_dio_insn_bits(struct comedi_device *dev, |
3623 | struct comedi_subdevice *s, | |
3624 | struct comedi_insn *insn, | |
3625 | unsigned int *data) | |
03aef4b6 DS |
3626 | { |
3627 | #ifdef DEBUG_DIO | |
5f74ea14 | 3628 | printk("ni_m_series_dio_insn_bits() mask=0x%x bits=0x%x\n", data[0], |
0a85b6f0 | 3629 | data[1]); |
03aef4b6 DS |
3630 | #endif |
3631 | if (insn->n != 2) | |
3632 | return -EINVAL; | |
3633 | if (data[0]) { | |
3634 | s->state &= ~data[0]; | |
3635 | s->state |= (data[0] & data[1]); | |
3636 | ni_writel(s->state, M_Offset_Static_Digital_Output); | |
3637 | } | |
3638 | data[1] = ni_readl(M_Offset_Static_Digital_Input); | |
3639 | ||
3640 | return 2; | |
3641 | } | |
3642 | ||
0a85b6f0 MT |
3643 | static int ni_cdio_cmdtest(struct comedi_device *dev, |
3644 | struct comedi_subdevice *s, struct comedi_cmd *cmd) | |
03aef4b6 DS |
3645 | { |
3646 | int err = 0; | |
3647 | int tmp; | |
3648 | int sources; | |
3649 | unsigned i; | |
3650 | ||
3651 | /* step 1: make sure trigger sources are trivially valid */ | |
3652 | ||
3653 | tmp = cmd->start_src; | |
3654 | sources = TRIG_INT; | |
3655 | cmd->start_src &= sources; | |
3656 | if (!cmd->start_src || tmp != cmd->start_src) | |
3657 | err++; | |
3658 | ||
3659 | tmp = cmd->scan_begin_src; | |
3660 | cmd->scan_begin_src &= TRIG_EXT; | |
3661 | if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src) | |
3662 | err++; | |
3663 | ||
3664 | tmp = cmd->convert_src; | |
3665 | cmd->convert_src &= TRIG_NOW; | |
3666 | if (!cmd->convert_src || tmp != cmd->convert_src) | |
3667 | err++; | |
3668 | ||
3669 | tmp = cmd->scan_end_src; | |
3670 | cmd->scan_end_src &= TRIG_COUNT; | |
3671 | if (!cmd->scan_end_src || tmp != cmd->scan_end_src) | |
3672 | err++; | |
3673 | ||
3674 | tmp = cmd->stop_src; | |
3675 | cmd->stop_src &= TRIG_NONE; | |
3676 | if (!cmd->stop_src || tmp != cmd->stop_src) | |
3677 | err++; | |
3678 | ||
3679 | if (err) | |
3680 | return 1; | |
3681 | ||
3682 | /* step 2: make sure trigger sources are unique... */ | |
3683 | ||
3684 | if (cmd->start_src != TRIG_INT) | |
3685 | err++; | |
3686 | if (cmd->scan_begin_src != TRIG_EXT) | |
3687 | err++; | |
3688 | if (cmd->convert_src != TRIG_NOW) | |
3689 | err++; | |
3690 | if (cmd->stop_src != TRIG_NONE) | |
3691 | err++; | |
3692 | /* ... and mutually compatible */ | |
3693 | ||
3694 | if (err) | |
3695 | return 2; | |
3696 | ||
3697 | /* step 3: make sure arguments are trivially compatible */ | |
3698 | if (cmd->start_src == TRIG_INT) { | |
3699 | if (cmd->start_arg != 0) { | |
3700 | cmd->start_arg = 0; | |
3701 | err++; | |
3702 | } | |
3703 | } | |
3704 | if (cmd->scan_begin_src == TRIG_EXT) { | |
3705 | tmp = cmd->scan_begin_arg; | |
3706 | tmp &= CR_PACK_FLAGS(CDO_Sample_Source_Select_Mask, 0, 0, | |
0a85b6f0 | 3707 | CR_INVERT); |
03aef4b6 DS |
3708 | if (tmp != cmd->scan_begin_arg) { |
3709 | err++; | |
3710 | } | |
3711 | } | |
3712 | if (cmd->convert_src == TRIG_NOW) { | |
3713 | if (cmd->convert_arg) { | |
3714 | cmd->convert_arg = 0; | |
3715 | err++; | |
3716 | } | |
3717 | } | |
3718 | ||
3719 | if (cmd->scan_end_arg != cmd->chanlist_len) { | |
3720 | cmd->scan_end_arg = cmd->chanlist_len; | |
3721 | err++; | |
3722 | } | |
3723 | ||
3724 | if (cmd->stop_src == TRIG_NONE) { | |
3725 | if (cmd->stop_arg != 0) { | |
3726 | cmd->stop_arg = 0; | |
3727 | err++; | |
3728 | } | |
3729 | } | |
3730 | ||
3731 | if (err) | |
3732 | return 3; | |
3733 | ||
3734 | /* step 4: fix up any arguments */ | |
3735 | ||
3736 | if (err) | |
3737 | return 4; | |
3738 | ||
3739 | /* step 5: check chanlist */ | |
3740 | ||
3741 | for (i = 0; i < cmd->chanlist_len; ++i) { | |
3742 | if (cmd->chanlist[i] != i) | |
3743 | err = 1; | |
3744 | } | |
3745 | ||
3746 | if (err) | |
3747 | return 5; | |
3748 | ||
3749 | return 0; | |
3750 | } | |
3751 | ||
da91b269 | 3752 | static int ni_cdio_cmd(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 | 3753 | { |
ea6d0d4c | 3754 | const struct comedi_cmd *cmd = &s->async->cmd; |
03aef4b6 DS |
3755 | unsigned cdo_mode_bits = CDO_FIFO_Mode_Bit | CDO_Halt_On_Error_Bit; |
3756 | int retval; | |
3757 | ||
3758 | ni_writel(CDO_Reset_Bit, M_Offset_CDIO_Command); | |
3759 | switch (cmd->scan_begin_src) { | |
3760 | case TRIG_EXT: | |
3761 | cdo_mode_bits |= | |
0a85b6f0 MT |
3762 | CR_CHAN(cmd->scan_begin_arg) & |
3763 | CDO_Sample_Source_Select_Mask; | |
03aef4b6 DS |
3764 | break; |
3765 | default: | |
3766 | BUG(); | |
3767 | break; | |
3768 | } | |
3769 | if (cmd->scan_begin_arg & CR_INVERT) | |
3770 | cdo_mode_bits |= CDO_Polarity_Bit; | |
3771 | ni_writel(cdo_mode_bits, M_Offset_CDO_Mode); | |
3772 | if (s->io_bits) { | |
3773 | ni_writel(s->state, M_Offset_CDO_FIFO_Data); | |
3774 | ni_writel(CDO_SW_Update_Bit, M_Offset_CDIO_Command); | |
3775 | ni_writel(s->io_bits, M_Offset_CDO_Mask_Enable); | |
3776 | } else { | |
3777 | comedi_error(dev, | |
0a85b6f0 | 3778 | "attempted to run digital output command with no lines configured as outputs"); |
03aef4b6 DS |
3779 | return -EIO; |
3780 | } | |
3781 | retval = ni_request_cdo_mite_channel(dev); | |
3782 | if (retval < 0) { | |
3783 | return retval; | |
3784 | } | |
3785 | s->async->inttrig = &ni_cdo_inttrig; | |
3786 | return 0; | |
3787 | } | |
3788 | ||
da91b269 | 3789 | static int ni_cdo_inttrig(struct comedi_device *dev, struct comedi_subdevice *s, |
0a85b6f0 | 3790 | unsigned int trignum) |
03aef4b6 DS |
3791 | { |
3792 | #ifdef PCIDMA | |
3793 | unsigned long flags; | |
3794 | #endif | |
3795 | int retval = 0; | |
3796 | unsigned i; | |
3797 | const unsigned timeout = 100; | |
3798 | ||
3799 | s->async->inttrig = NULL; | |
3800 | ||
3801 | /* read alloc the entire buffer */ | |
3802 | comedi_buf_read_alloc(s->async, s->async->prealloc_bufsz); | |
3803 | ||
3804 | #ifdef PCIDMA | |
5f74ea14 | 3805 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
3806 | if (devpriv->cdo_mite_chan) { |
3807 | mite_prep_dma(devpriv->cdo_mite_chan, 32, 32); | |
3808 | mite_dma_arm(devpriv->cdo_mite_chan); | |
3809 | } else { | |
3810 | comedi_error(dev, "BUG: no cdo mite channel?"); | |
3811 | retval = -EIO; | |
3812 | } | |
5f74ea14 | 3813 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
3814 | if (retval < 0) |
3815 | return retval; | |
3816 | #endif | |
2696fb57 BP |
3817 | /* |
3818 | * XXX not sure what interrupt C group does | |
3819 | * ni_writeb(Interrupt_Group_C_Enable_Bit, | |
3820 | * M_Offset_Interrupt_C_Enable); wait for dma to fill output fifo | |
3821 | */ | |
03aef4b6 DS |
3822 | for (i = 0; i < timeout; ++i) { |
3823 | if (ni_readl(M_Offset_CDIO_Status) & CDO_FIFO_Full_Bit) | |
3824 | break; | |
5f74ea14 | 3825 | udelay(10); |
03aef4b6 DS |
3826 | } |
3827 | if (i == timeout) { | |
3828 | comedi_error(dev, "dma failed to fill cdo fifo!"); | |
3829 | ni_cdio_cancel(dev, s); | |
3830 | return -EIO; | |
3831 | } | |
3832 | ni_writel(CDO_Arm_Bit | CDO_Error_Interrupt_Enable_Set_Bit | | |
0a85b6f0 MT |
3833 | CDO_Empty_FIFO_Interrupt_Enable_Set_Bit, |
3834 | M_Offset_CDIO_Command); | |
03aef4b6 DS |
3835 | return retval; |
3836 | } | |
3837 | ||
da91b269 | 3838 | static int ni_cdio_cancel(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 DS |
3839 | { |
3840 | ni_writel(CDO_Disarm_Bit | CDO_Error_Interrupt_Enable_Clear_Bit | | |
0a85b6f0 MT |
3841 | CDO_Empty_FIFO_Interrupt_Enable_Clear_Bit | |
3842 | CDO_FIFO_Request_Interrupt_Enable_Clear_Bit, | |
3843 | M_Offset_CDIO_Command); | |
2696fb57 BP |
3844 | /* |
3845 | * XXX not sure what interrupt C group does ni_writeb(0, | |
3846 | * M_Offset_Interrupt_C_Enable); | |
3847 | */ | |
03aef4b6 DS |
3848 | ni_writel(0, M_Offset_CDO_Mask_Enable); |
3849 | ni_release_cdo_mite_channel(dev); | |
3850 | return 0; | |
3851 | } | |
3852 | ||
da91b269 | 3853 | static void handle_cdio_interrupt(struct comedi_device *dev) |
03aef4b6 DS |
3854 | { |
3855 | unsigned cdio_status; | |
34c43922 | 3856 | struct comedi_subdevice *s = dev->subdevices + NI_DIO_SUBDEV; |
03aef4b6 DS |
3857 | #ifdef PCIDMA |
3858 | unsigned long flags; | |
3859 | #endif | |
3860 | ||
3861 | if ((boardtype.reg_type & ni_reg_m_series_mask) == 0) { | |
3862 | return; | |
3863 | } | |
3864 | #ifdef PCIDMA | |
5f74ea14 | 3865 | spin_lock_irqsave(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
3866 | if (devpriv->cdo_mite_chan) { |
3867 | unsigned cdo_mite_status = | |
0a85b6f0 | 3868 | mite_get_status(devpriv->cdo_mite_chan); |
03aef4b6 DS |
3869 | if (cdo_mite_status & CHSR_LINKC) { |
3870 | writel(CHOR_CLRLC, | |
0a85b6f0 MT |
3871 | devpriv->mite->mite_io_addr + |
3872 | MITE_CHOR(devpriv->cdo_mite_chan->channel)); | |
03aef4b6 DS |
3873 | } |
3874 | mite_sync_output_dma(devpriv->cdo_mite_chan, s->async); | |
3875 | } | |
5f74ea14 | 3876 | spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); |
03aef4b6 DS |
3877 | #endif |
3878 | ||
3879 | cdio_status = ni_readl(M_Offset_CDIO_Status); | |
3880 | if (cdio_status & (CDO_Overrun_Bit | CDO_Underflow_Bit)) { | |
5f74ea14 | 3881 | /* printk("cdio error: statux=0x%x\n", cdio_status); */ |
2696fb57 | 3882 | ni_writel(CDO_Error_Interrupt_Confirm_Bit, M_Offset_CDIO_Command); /* XXX just guessing this is needed and does something useful */ |
03aef4b6 DS |
3883 | s->async->events |= COMEDI_CB_OVERFLOW; |
3884 | } | |
3885 | if (cdio_status & CDO_FIFO_Empty_Bit) { | |
5f74ea14 | 3886 | /* printk("cdio fifo empty\n"); */ |
03aef4b6 | 3887 | ni_writel(CDO_Empty_FIFO_Interrupt_Enable_Clear_Bit, |
0a85b6f0 | 3888 | M_Offset_CDIO_Command); |
2696fb57 | 3889 | /* s->async->events |= COMEDI_CB_EOA; */ |
03aef4b6 DS |
3890 | } |
3891 | ni_event(dev, s); | |
3892 | } | |
3893 | ||
0a85b6f0 MT |
3894 | static int ni_serial_insn_config(struct comedi_device *dev, |
3895 | struct comedi_subdevice *s, | |
3896 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
3897 | { |
3898 | int err = insn->n; | |
3899 | unsigned char byte_out, byte_in = 0; | |
3900 | ||
3901 | if (insn->n != 2) | |
3902 | return -EINVAL; | |
3903 | ||
3904 | switch (data[0]) { | |
3905 | case INSN_CONFIG_SERIAL_CLOCK: | |
3906 | ||
3907 | #ifdef DEBUG_DIO | |
5f74ea14 | 3908 | printk("SPI serial clock Config cd\n", data[1]); |
03aef4b6 DS |
3909 | #endif |
3910 | devpriv->serial_hw_mode = 1; | |
3911 | devpriv->dio_control |= DIO_HW_Serial_Enable; | |
3912 | ||
3913 | if (data[1] == SERIAL_DISABLED) { | |
3914 | devpriv->serial_hw_mode = 0; | |
3915 | devpriv->dio_control &= ~(DIO_HW_Serial_Enable | | |
0a85b6f0 | 3916 | DIO_Software_Serial_Control); |
03aef4b6 DS |
3917 | data[1] = SERIAL_DISABLED; |
3918 | devpriv->serial_interval_ns = data[1]; | |
3919 | } else if (data[1] <= SERIAL_600NS) { | |
3920 | /* Warning: this clock speed is too fast to reliably | |
3921 | control SCXI. */ | |
3922 | devpriv->dio_control &= ~DIO_HW_Serial_Timebase; | |
3923 | devpriv->clock_and_fout |= Slow_Internal_Timebase; | |
3924 | devpriv->clock_and_fout &= ~DIO_Serial_Out_Divide_By_2; | |
3925 | data[1] = SERIAL_600NS; | |
3926 | devpriv->serial_interval_ns = data[1]; | |
3927 | } else if (data[1] <= SERIAL_1_2US) { | |
3928 | devpriv->dio_control &= ~DIO_HW_Serial_Timebase; | |
3929 | devpriv->clock_and_fout |= Slow_Internal_Timebase | | |
0a85b6f0 | 3930 | DIO_Serial_Out_Divide_By_2; |
03aef4b6 DS |
3931 | data[1] = SERIAL_1_2US; |
3932 | devpriv->serial_interval_ns = data[1]; | |
3933 | } else if (data[1] <= SERIAL_10US) { | |
3934 | devpriv->dio_control |= DIO_HW_Serial_Timebase; | |
3935 | devpriv->clock_and_fout |= Slow_Internal_Timebase | | |
0a85b6f0 | 3936 | DIO_Serial_Out_Divide_By_2; |
03aef4b6 DS |
3937 | /* Note: DIO_Serial_Out_Divide_By_2 only affects |
3938 | 600ns/1.2us. If you turn divide_by_2 off with the | |
3939 | slow clock, you will still get 10us, except then | |
3940 | all your delays are wrong. */ | |
3941 | data[1] = SERIAL_10US; | |
3942 | devpriv->serial_interval_ns = data[1]; | |
3943 | } else { | |
3944 | devpriv->dio_control &= ~(DIO_HW_Serial_Enable | | |
0a85b6f0 | 3945 | DIO_Software_Serial_Control); |
03aef4b6 DS |
3946 | devpriv->serial_hw_mode = 0; |
3947 | data[1] = (data[1] / 1000) * 1000; | |
3948 | devpriv->serial_interval_ns = data[1]; | |
3949 | } | |
3950 | ||
3951 | devpriv->stc_writew(dev, devpriv->dio_control, | |
0a85b6f0 | 3952 | DIO_Control_Register); |
03aef4b6 | 3953 | devpriv->stc_writew(dev, devpriv->clock_and_fout, |
0a85b6f0 | 3954 | Clock_and_FOUT_Register); |
03aef4b6 DS |
3955 | return 1; |
3956 | ||
3957 | break; | |
3958 | ||
3959 | case INSN_CONFIG_BIDIRECTIONAL_DATA: | |
3960 | ||
3961 | if (devpriv->serial_interval_ns == 0) { | |
3962 | return -EINVAL; | |
3963 | } | |
3964 | ||
3965 | byte_out = data[1] & 0xFF; | |
3966 | ||
3967 | if (devpriv->serial_hw_mode) { | |
3968 | err = ni_serial_hw_readwrite8(dev, s, byte_out, | |
0a85b6f0 | 3969 | &byte_in); |
03aef4b6 DS |
3970 | } else if (devpriv->serial_interval_ns > 0) { |
3971 | err = ni_serial_sw_readwrite8(dev, s, byte_out, | |
0a85b6f0 | 3972 | &byte_in); |
03aef4b6 | 3973 | } else { |
5f74ea14 | 3974 | printk("ni_serial_insn_config: serial disabled!\n"); |
03aef4b6 DS |
3975 | return -EINVAL; |
3976 | } | |
3977 | if (err < 0) | |
3978 | return err; | |
3979 | data[1] = byte_in & 0xFF; | |
3980 | return insn->n; | |
3981 | ||
3982 | break; | |
3983 | default: | |
3984 | return -EINVAL; | |
3985 | } | |
3986 | ||
3987 | } | |
3988 | ||
0a85b6f0 MT |
3989 | static int ni_serial_hw_readwrite8(struct comedi_device *dev, |
3990 | struct comedi_subdevice *s, | |
3991 | unsigned char data_out, | |
3992 | unsigned char *data_in) | |
03aef4b6 DS |
3993 | { |
3994 | unsigned int status1; | |
3995 | int err = 0, count = 20; | |
3996 | ||
3997 | #ifdef DEBUG_DIO | |
5f74ea14 | 3998 | printk("ni_serial_hw_readwrite8: outputting 0x%x\n", data_out); |
03aef4b6 DS |
3999 | #endif |
4000 | ||
4001 | devpriv->dio_output &= ~DIO_Serial_Data_Mask; | |
4002 | devpriv->dio_output |= DIO_Serial_Data_Out(data_out); | |
4003 | devpriv->stc_writew(dev, devpriv->dio_output, DIO_Output_Register); | |
4004 | ||
4005 | status1 = devpriv->stc_readw(dev, Joint_Status_1_Register); | |
4006 | if (status1 & DIO_Serial_IO_In_Progress_St) { | |
4007 | err = -EBUSY; | |
4008 | goto Error; | |
4009 | } | |
4010 | ||
4011 | devpriv->dio_control |= DIO_HW_Serial_Start; | |
4012 | devpriv->stc_writew(dev, devpriv->dio_control, DIO_Control_Register); | |
4013 | devpriv->dio_control &= ~DIO_HW_Serial_Start; | |
4014 | ||
4015 | /* Wait until STC says we're done, but don't loop infinitely. */ | |
4016 | while ((status1 = | |
0a85b6f0 MT |
4017 | devpriv->stc_readw(dev, |
4018 | Joint_Status_1_Register)) & | |
4019 | DIO_Serial_IO_In_Progress_St) { | |
03aef4b6 | 4020 | /* Delay one bit per loop */ |
5f74ea14 | 4021 | udelay((devpriv->serial_interval_ns + 999) / 1000); |
03aef4b6 | 4022 | if (--count < 0) { |
5f74ea14 | 4023 | printk |
0a85b6f0 | 4024 | ("ni_serial_hw_readwrite8: SPI serial I/O didn't finish in time!\n"); |
03aef4b6 DS |
4025 | err = -ETIME; |
4026 | goto Error; | |
4027 | } | |
4028 | } | |
4029 | ||
4030 | /* Delay for last bit. This delay is absolutely necessary, because | |
4031 | DIO_Serial_IO_In_Progress_St goes high one bit too early. */ | |
5f74ea14 | 4032 | udelay((devpriv->serial_interval_ns + 999) / 1000); |
03aef4b6 DS |
4033 | |
4034 | if (data_in != NULL) { | |
4035 | *data_in = devpriv->stc_readw(dev, DIO_Serial_Input_Register); | |
4036 | #ifdef DEBUG_DIO | |
5f74ea14 | 4037 | printk("ni_serial_hw_readwrite8: inputted 0x%x\n", *data_in); |
03aef4b6 DS |
4038 | #endif |
4039 | } | |
4040 | ||
0a85b6f0 | 4041 | Error: |
03aef4b6 DS |
4042 | devpriv->stc_writew(dev, devpriv->dio_control, DIO_Control_Register); |
4043 | ||
4044 | return err; | |
4045 | } | |
4046 | ||
0a85b6f0 MT |
4047 | static int ni_serial_sw_readwrite8(struct comedi_device *dev, |
4048 | struct comedi_subdevice *s, | |
4049 | unsigned char data_out, | |
4050 | unsigned char *data_in) | |
03aef4b6 DS |
4051 | { |
4052 | unsigned char mask, input = 0; | |
4053 | ||
4054 | #ifdef DEBUG_DIO | |
5f74ea14 | 4055 | printk("ni_serial_sw_readwrite8: outputting 0x%x\n", data_out); |
03aef4b6 DS |
4056 | #endif |
4057 | ||
4058 | /* Wait for one bit before transfer */ | |
5f74ea14 | 4059 | udelay((devpriv->serial_interval_ns + 999) / 1000); |
03aef4b6 DS |
4060 | |
4061 | for (mask = 0x80; mask; mask >>= 1) { | |
4062 | /* Output current bit; note that we cannot touch s->state | |
4063 | because it is a per-subdevice field, and serial is | |
4064 | a separate subdevice from DIO. */ | |
4065 | devpriv->dio_output &= ~DIO_SDOUT; | |
4066 | if (data_out & mask) { | |
4067 | devpriv->dio_output |= DIO_SDOUT; | |
4068 | } | |
4069 | devpriv->stc_writew(dev, devpriv->dio_output, | |
0a85b6f0 | 4070 | DIO_Output_Register); |
03aef4b6 DS |
4071 | |
4072 | /* Assert SDCLK (active low, inverted), wait for half of | |
4073 | the delay, deassert SDCLK, and wait for the other half. */ | |
4074 | devpriv->dio_control |= DIO_Software_Serial_Control; | |
4075 | devpriv->stc_writew(dev, devpriv->dio_control, | |
0a85b6f0 | 4076 | DIO_Control_Register); |
03aef4b6 | 4077 | |
5f74ea14 | 4078 | udelay((devpriv->serial_interval_ns + 999) / 2000); |
03aef4b6 DS |
4079 | |
4080 | devpriv->dio_control &= ~DIO_Software_Serial_Control; | |
4081 | devpriv->stc_writew(dev, devpriv->dio_control, | |
0a85b6f0 | 4082 | DIO_Control_Register); |
03aef4b6 | 4083 | |
5f74ea14 | 4084 | udelay((devpriv->serial_interval_ns + 999) / 2000); |
03aef4b6 DS |
4085 | |
4086 | /* Input current bit */ | |
4087 | if (devpriv->stc_readw(dev, | |
0a85b6f0 MT |
4088 | DIO_Parallel_Input_Register) & DIO_SDIN) |
4089 | { | |
5f74ea14 | 4090 | /* printk("DIO_P_I_R: 0x%x\n", devpriv->stc_readw(dev, DIO_Parallel_Input_Register)); */ |
03aef4b6 DS |
4091 | input |= mask; |
4092 | } | |
4093 | } | |
4094 | #ifdef DEBUG_DIO | |
5f74ea14 | 4095 | printk("ni_serial_sw_readwrite8: inputted 0x%x\n", input); |
03aef4b6 DS |
4096 | #endif |
4097 | if (data_in) | |
4098 | *data_in = input; | |
4099 | ||
4100 | return 0; | |
4101 | } | |
4102 | ||
da91b269 | 4103 | static void mio_common_detach(struct comedi_device *dev) |
03aef4b6 DS |
4104 | { |
4105 | if (dev->private) { | |
4106 | if (devpriv->counter_dev) { | |
4107 | ni_gpct_device_destroy(devpriv->counter_dev); | |
4108 | } | |
4109 | } | |
4110 | if (dev->subdevices && boardtype.has_8255) | |
4111 | subdev_8255_cleanup(dev, dev->subdevices + NI_8255_DIO_SUBDEV); | |
4112 | } | |
4113 | ||
da91b269 | 4114 | static void init_ao_67xx(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 DS |
4115 | { |
4116 | int i; | |
4117 | ||
0a85b6f0 | 4118 | for (i = 0; i < s->n_chan; i++) { |
03aef4b6 | 4119 | ni_ao_win_outw(dev, AO_Channel(i) | 0x0, |
0a85b6f0 | 4120 | AO_Configuration_2_67xx); |
03aef4b6 DS |
4121 | } |
4122 | ao_win_out(0x0, AO_Later_Single_Point_Updates); | |
4123 | } | |
4124 | ||
4125 | static unsigned ni_gpct_to_stc_register(enum ni_gpct_register reg) | |
4126 | { | |
4127 | unsigned stc_register; | |
4128 | switch (reg) { | |
4129 | case NITIO_G0_Autoincrement_Reg: | |
4130 | stc_register = G_Autoincrement_Register(0); | |
4131 | break; | |
4132 | case NITIO_G1_Autoincrement_Reg: | |
4133 | stc_register = G_Autoincrement_Register(1); | |
4134 | break; | |
4135 | case NITIO_G0_Command_Reg: | |
4136 | stc_register = G_Command_Register(0); | |
4137 | break; | |
4138 | case NITIO_G1_Command_Reg: | |
4139 | stc_register = G_Command_Register(1); | |
4140 | break; | |
4141 | case NITIO_G0_HW_Save_Reg: | |
4142 | stc_register = G_HW_Save_Register(0); | |
4143 | break; | |
4144 | case NITIO_G1_HW_Save_Reg: | |
4145 | stc_register = G_HW_Save_Register(1); | |
4146 | break; | |
4147 | case NITIO_G0_SW_Save_Reg: | |
4148 | stc_register = G_Save_Register(0); | |
4149 | break; | |
4150 | case NITIO_G1_SW_Save_Reg: | |
4151 | stc_register = G_Save_Register(1); | |
4152 | break; | |
4153 | case NITIO_G0_Mode_Reg: | |
4154 | stc_register = G_Mode_Register(0); | |
4155 | break; | |
4156 | case NITIO_G1_Mode_Reg: | |
4157 | stc_register = G_Mode_Register(1); | |
4158 | break; | |
4159 | case NITIO_G0_LoadA_Reg: | |
4160 | stc_register = G_Load_A_Register(0); | |
4161 | break; | |
4162 | case NITIO_G1_LoadA_Reg: | |
4163 | stc_register = G_Load_A_Register(1); | |
4164 | break; | |
4165 | case NITIO_G0_LoadB_Reg: | |
4166 | stc_register = G_Load_B_Register(0); | |
4167 | break; | |
4168 | case NITIO_G1_LoadB_Reg: | |
4169 | stc_register = G_Load_B_Register(1); | |
4170 | break; | |
4171 | case NITIO_G0_Input_Select_Reg: | |
4172 | stc_register = G_Input_Select_Register(0); | |
4173 | break; | |
4174 | case NITIO_G1_Input_Select_Reg: | |
4175 | stc_register = G_Input_Select_Register(1); | |
4176 | break; | |
4177 | case NITIO_G01_Status_Reg: | |
4178 | stc_register = G_Status_Register; | |
4179 | break; | |
4180 | case NITIO_G01_Joint_Reset_Reg: | |
4181 | stc_register = Joint_Reset_Register; | |
4182 | break; | |
4183 | case NITIO_G01_Joint_Status1_Reg: | |
4184 | stc_register = Joint_Status_1_Register; | |
4185 | break; | |
4186 | case NITIO_G01_Joint_Status2_Reg: | |
4187 | stc_register = Joint_Status_2_Register; | |
4188 | break; | |
4189 | case NITIO_G0_Interrupt_Acknowledge_Reg: | |
4190 | stc_register = Interrupt_A_Ack_Register; | |
4191 | break; | |
4192 | case NITIO_G1_Interrupt_Acknowledge_Reg: | |
4193 | stc_register = Interrupt_B_Ack_Register; | |
4194 | break; | |
4195 | case NITIO_G0_Status_Reg: | |
4196 | stc_register = AI_Status_1_Register; | |
4197 | break; | |
4198 | case NITIO_G1_Status_Reg: | |
4199 | stc_register = AO_Status_1_Register; | |
4200 | break; | |
4201 | case NITIO_G0_Interrupt_Enable_Reg: | |
4202 | stc_register = Interrupt_A_Enable_Register; | |
4203 | break; | |
4204 | case NITIO_G1_Interrupt_Enable_Reg: | |
4205 | stc_register = Interrupt_B_Enable_Register; | |
4206 | break; | |
4207 | default: | |
5f74ea14 | 4208 | printk("%s: unhandled register 0x%x in switch.\n", |
0a85b6f0 | 4209 | __func__, reg); |
03aef4b6 DS |
4210 | BUG(); |
4211 | return 0; | |
4212 | break; | |
4213 | } | |
4214 | return stc_register; | |
4215 | } | |
4216 | ||
4217 | static void ni_gpct_write_register(struct ni_gpct *counter, unsigned bits, | |
0a85b6f0 | 4218 | enum ni_gpct_register reg) |
03aef4b6 | 4219 | { |
71b5f4f1 | 4220 | struct comedi_device *dev = counter->counter_dev->dev; |
03aef4b6 DS |
4221 | unsigned stc_register; |
4222 | /* bits in the join reset register which are relevant to counters */ | |
4223 | static const unsigned gpct_joint_reset_mask = G0_Reset | G1_Reset; | |
4224 | static const unsigned gpct_interrupt_a_enable_mask = | |
0a85b6f0 | 4225 | G0_Gate_Interrupt_Enable | G0_TC_Interrupt_Enable; |
03aef4b6 | 4226 | static const unsigned gpct_interrupt_b_enable_mask = |
0a85b6f0 | 4227 | G1_Gate_Interrupt_Enable | G1_TC_Interrupt_Enable; |
03aef4b6 DS |
4228 | |
4229 | switch (reg) { | |
4230 | /* m-series-only registers */ | |
4231 | case NITIO_G0_Counting_Mode_Reg: | |
4232 | ni_writew(bits, M_Offset_G0_Counting_Mode); | |
4233 | break; | |
4234 | case NITIO_G1_Counting_Mode_Reg: | |
4235 | ni_writew(bits, M_Offset_G1_Counting_Mode); | |
4236 | break; | |
4237 | case NITIO_G0_Second_Gate_Reg: | |
4238 | ni_writew(bits, M_Offset_G0_Second_Gate); | |
4239 | break; | |
4240 | case NITIO_G1_Second_Gate_Reg: | |
4241 | ni_writew(bits, M_Offset_G1_Second_Gate); | |
4242 | break; | |
4243 | case NITIO_G0_DMA_Config_Reg: | |
4244 | ni_writew(bits, M_Offset_G0_DMA_Config); | |
4245 | break; | |
4246 | case NITIO_G1_DMA_Config_Reg: | |
4247 | ni_writew(bits, M_Offset_G1_DMA_Config); | |
4248 | break; | |
4249 | case NITIO_G0_ABZ_Reg: | |
4250 | ni_writew(bits, M_Offset_G0_MSeries_ABZ); | |
4251 | break; | |
4252 | case NITIO_G1_ABZ_Reg: | |
4253 | ni_writew(bits, M_Offset_G1_MSeries_ABZ); | |
4254 | break; | |
4255 | ||
4256 | /* 32 bit registers */ | |
4257 | case NITIO_G0_LoadA_Reg: | |
4258 | case NITIO_G1_LoadA_Reg: | |
4259 | case NITIO_G0_LoadB_Reg: | |
4260 | case NITIO_G1_LoadB_Reg: | |
4261 | stc_register = ni_gpct_to_stc_register(reg); | |
4262 | devpriv->stc_writel(dev, bits, stc_register); | |
4263 | break; | |
4264 | ||
4265 | /* 16 bit registers */ | |
4266 | case NITIO_G0_Interrupt_Enable_Reg: | |
4267 | BUG_ON(bits & ~gpct_interrupt_a_enable_mask); | |
4268 | ni_set_bitfield(dev, Interrupt_A_Enable_Register, | |
0a85b6f0 | 4269 | gpct_interrupt_a_enable_mask, bits); |
03aef4b6 DS |
4270 | break; |
4271 | case NITIO_G1_Interrupt_Enable_Reg: | |
4272 | BUG_ON(bits & ~gpct_interrupt_b_enable_mask); | |
4273 | ni_set_bitfield(dev, Interrupt_B_Enable_Register, | |
0a85b6f0 | 4274 | gpct_interrupt_b_enable_mask, bits); |
03aef4b6 DS |
4275 | break; |
4276 | case NITIO_G01_Joint_Reset_Reg: | |
4277 | BUG_ON(bits & ~gpct_joint_reset_mask); | |
4278 | /* fall-through */ | |
4279 | default: | |
4280 | stc_register = ni_gpct_to_stc_register(reg); | |
4281 | devpriv->stc_writew(dev, bits, stc_register); | |
4282 | } | |
4283 | } | |
4284 | ||
4285 | static unsigned ni_gpct_read_register(struct ni_gpct *counter, | |
0a85b6f0 | 4286 | enum ni_gpct_register reg) |
03aef4b6 | 4287 | { |
71b5f4f1 | 4288 | struct comedi_device *dev = counter->counter_dev->dev; |
03aef4b6 DS |
4289 | unsigned stc_register; |
4290 | switch (reg) { | |
4291 | /* m-series only registers */ | |
4292 | case NITIO_G0_DMA_Status_Reg: | |
4293 | return ni_readw(M_Offset_G0_DMA_Status); | |
4294 | break; | |
4295 | case NITIO_G1_DMA_Status_Reg: | |
4296 | return ni_readw(M_Offset_G1_DMA_Status); | |
4297 | break; | |
4298 | ||
4299 | /* 32 bit registers */ | |
4300 | case NITIO_G0_HW_Save_Reg: | |
4301 | case NITIO_G1_HW_Save_Reg: | |
4302 | case NITIO_G0_SW_Save_Reg: | |
4303 | case NITIO_G1_SW_Save_Reg: | |
4304 | stc_register = ni_gpct_to_stc_register(reg); | |
4305 | return devpriv->stc_readl(dev, stc_register); | |
4306 | break; | |
4307 | ||
4308 | /* 16 bit registers */ | |
4309 | default: | |
4310 | stc_register = ni_gpct_to_stc_register(reg); | |
4311 | return devpriv->stc_readw(dev, stc_register); | |
4312 | break; | |
4313 | } | |
4314 | return 0; | |
4315 | } | |
4316 | ||
da91b269 | 4317 | static int ni_freq_out_insn_read(struct comedi_device *dev, |
0a85b6f0 MT |
4318 | struct comedi_subdevice *s, |
4319 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
4320 | { |
4321 | data[0] = devpriv->clock_and_fout & FOUT_Divider_mask; | |
4322 | return 1; | |
4323 | } | |
4324 | ||
da91b269 | 4325 | static int ni_freq_out_insn_write(struct comedi_device *dev, |
0a85b6f0 MT |
4326 | struct comedi_subdevice *s, |
4327 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
4328 | { |
4329 | devpriv->clock_and_fout &= ~FOUT_Enable; | |
4330 | devpriv->stc_writew(dev, devpriv->clock_and_fout, | |
0a85b6f0 | 4331 | Clock_and_FOUT_Register); |
03aef4b6 DS |
4332 | devpriv->clock_and_fout &= ~FOUT_Divider_mask; |
4333 | devpriv->clock_and_fout |= FOUT_Divider(data[0]); | |
4334 | devpriv->clock_and_fout |= FOUT_Enable; | |
4335 | devpriv->stc_writew(dev, devpriv->clock_and_fout, | |
0a85b6f0 | 4336 | Clock_and_FOUT_Register); |
03aef4b6 DS |
4337 | return insn->n; |
4338 | } | |
4339 | ||
0a85b6f0 MT |
4340 | static int ni_set_freq_out_clock(struct comedi_device *dev, |
4341 | unsigned int clock_source) | |
03aef4b6 DS |
4342 | { |
4343 | switch (clock_source) { | |
4344 | case NI_FREQ_OUT_TIMEBASE_1_DIV_2_CLOCK_SRC: | |
4345 | devpriv->clock_and_fout &= ~FOUT_Timebase_Select; | |
4346 | break; | |
4347 | case NI_FREQ_OUT_TIMEBASE_2_CLOCK_SRC: | |
4348 | devpriv->clock_and_fout |= FOUT_Timebase_Select; | |
4349 | break; | |
4350 | default: | |
4351 | return -EINVAL; | |
4352 | } | |
4353 | devpriv->stc_writew(dev, devpriv->clock_and_fout, | |
0a85b6f0 | 4354 | Clock_and_FOUT_Register); |
03aef4b6 DS |
4355 | return 3; |
4356 | } | |
4357 | ||
0a85b6f0 MT |
4358 | static void ni_get_freq_out_clock(struct comedi_device *dev, |
4359 | unsigned int *clock_source, | |
4360 | unsigned int *clock_period_ns) | |
03aef4b6 DS |
4361 | { |
4362 | if (devpriv->clock_and_fout & FOUT_Timebase_Select) { | |
4363 | *clock_source = NI_FREQ_OUT_TIMEBASE_2_CLOCK_SRC; | |
4364 | *clock_period_ns = TIMEBASE_2_NS; | |
4365 | } else { | |
4366 | *clock_source = NI_FREQ_OUT_TIMEBASE_1_DIV_2_CLOCK_SRC; | |
4367 | *clock_period_ns = TIMEBASE_1_NS * 2; | |
4368 | } | |
4369 | } | |
4370 | ||
0a85b6f0 MT |
4371 | static int ni_freq_out_insn_config(struct comedi_device *dev, |
4372 | struct comedi_subdevice *s, | |
4373 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
4374 | { |
4375 | switch (data[0]) { | |
4376 | case INSN_CONFIG_SET_CLOCK_SRC: | |
4377 | return ni_set_freq_out_clock(dev, data[1]); | |
4378 | break; | |
4379 | case INSN_CONFIG_GET_CLOCK_SRC: | |
4380 | ni_get_freq_out_clock(dev, &data[1], &data[2]); | |
4381 | return 3; | |
4382 | default: | |
4383 | break; | |
4384 | } | |
4385 | return -EINVAL; | |
4386 | } | |
4387 | ||
da91b269 | 4388 | static int ni_alloc_private(struct comedi_device *dev) |
03aef4b6 DS |
4389 | { |
4390 | int ret; | |
4391 | ||
3301cc76 | 4392 | ret = alloc_private(dev, sizeof(struct ni_private)); |
03aef4b6 DS |
4393 | if (ret < 0) |
4394 | return ret; | |
4395 | ||
4396 | spin_lock_init(&devpriv->window_lock); | |
4397 | spin_lock_init(&devpriv->soft_reg_copy_lock); | |
4398 | spin_lock_init(&devpriv->mite_channel_lock); | |
4399 | ||
4400 | return 0; | |
4401 | }; | |
4402 | ||
da91b269 | 4403 | static int ni_E_init(struct comedi_device *dev, struct comedi_devconfig *it) |
03aef4b6 | 4404 | { |
34c43922 | 4405 | struct comedi_subdevice *s; |
03aef4b6 DS |
4406 | unsigned j; |
4407 | enum ni_gpct_variant counter_variant; | |
4408 | ||
4409 | if (boardtype.n_aochan > MAX_N_AO_CHAN) { | |
4410 | printk("bug! boardtype.n_aochan > MAX_N_AO_CHAN\n"); | |
4411 | return -EINVAL; | |
4412 | } | |
4413 | ||
4414 | if (alloc_subdevices(dev, NI_NUM_SUBDEVICES) < 0) | |
4415 | return -ENOMEM; | |
4416 | ||
4417 | /* analog input subdevice */ | |
4418 | ||
4419 | s = dev->subdevices + NI_AI_SUBDEV; | |
4420 | dev->read_subdev = s; | |
4421 | if (boardtype.n_adchan) { | |
4422 | s->type = COMEDI_SUBD_AI; | |
4423 | s->subdev_flags = | |
0a85b6f0 | 4424 | SDF_READABLE | SDF_DIFF | SDF_DITHER | SDF_CMD_READ; |
03aef4b6 DS |
4425 | if (boardtype.reg_type != ni_reg_611x) |
4426 | s->subdev_flags |= SDF_GROUND | SDF_COMMON | SDF_OTHER; | |
4427 | if (boardtype.adbits > 16) | |
4428 | s->subdev_flags |= SDF_LSAMPL; | |
4429 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
4430 | s->subdev_flags |= SDF_SOFT_CALIBRATED; | |
4431 | s->n_chan = boardtype.n_adchan; | |
4432 | s->len_chanlist = 512; | |
4433 | s->maxdata = (1 << boardtype.adbits) - 1; | |
4434 | s->range_table = ni_range_lkup[boardtype.gainlkup]; | |
4435 | s->insn_read = &ni_ai_insn_read; | |
4436 | s->insn_config = &ni_ai_insn_config; | |
4437 | s->do_cmdtest = &ni_ai_cmdtest; | |
4438 | s->do_cmd = &ni_ai_cmd; | |
4439 | s->cancel = &ni_ai_reset; | |
4440 | s->poll = &ni_ai_poll; | |
4441 | s->munge = &ni_ai_munge; | |
4442 | #ifdef PCIDMA | |
4443 | s->async_dma_dir = DMA_FROM_DEVICE; | |
4444 | #endif | |
4445 | } else { | |
4446 | s->type = COMEDI_SUBD_UNUSED; | |
4447 | } | |
4448 | ||
4449 | /* analog output subdevice */ | |
4450 | ||
4451 | s = dev->subdevices + NI_AO_SUBDEV; | |
4452 | if (boardtype.n_aochan) { | |
4453 | s->type = COMEDI_SUBD_AO; | |
4454 | s->subdev_flags = SDF_WRITABLE | SDF_DEGLITCH | SDF_GROUND; | |
4455 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
4456 | s->subdev_flags |= SDF_SOFT_CALIBRATED; | |
4457 | s->n_chan = boardtype.n_aochan; | |
4458 | s->maxdata = (1 << boardtype.aobits) - 1; | |
4459 | s->range_table = boardtype.ao_range_table; | |
4460 | s->insn_read = &ni_ao_insn_read; | |
4461 | if (boardtype.reg_type & ni_reg_6xxx_mask) { | |
4462 | s->insn_write = &ni_ao_insn_write_671x; | |
4463 | } else { | |
4464 | s->insn_write = &ni_ao_insn_write; | |
4465 | } | |
4466 | s->insn_config = &ni_ao_insn_config; | |
4467 | #ifdef PCIDMA | |
4468 | if (boardtype.n_aochan) { | |
4469 | s->async_dma_dir = DMA_TO_DEVICE; | |
4470 | #else | |
4471 | if (boardtype.ao_fifo_depth) { | |
4472 | #endif | |
4473 | dev->write_subdev = s; | |
4474 | s->subdev_flags |= SDF_CMD_WRITE; | |
4475 | s->do_cmd = &ni_ao_cmd; | |
4476 | s->do_cmdtest = &ni_ao_cmdtest; | |
4477 | s->len_chanlist = boardtype.n_aochan; | |
4478 | if ((boardtype.reg_type & ni_reg_m_series_mask) == 0) | |
4479 | s->munge = ni_ao_munge; | |
4480 | } | |
4481 | s->cancel = &ni_ao_reset; | |
4482 | } else { | |
4483 | s->type = COMEDI_SUBD_UNUSED; | |
4484 | } | |
4485 | if ((boardtype.reg_type & ni_reg_67xx_mask)) | |
4486 | init_ao_67xx(dev, s); | |
4487 | ||
4488 | /* digital i/o subdevice */ | |
4489 | ||
4490 | s = dev->subdevices + NI_DIO_SUBDEV; | |
4491 | s->type = COMEDI_SUBD_DIO; | |
4492 | s->subdev_flags = SDF_WRITABLE | SDF_READABLE; | |
4493 | s->maxdata = 1; | |
4494 | s->io_bits = 0; /* all bits input */ | |
4495 | s->range_table = &range_digital; | |
4496 | s->n_chan = boardtype.num_p0_dio_channels; | |
4497 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
4498 | s->subdev_flags |= | |
0a85b6f0 | 4499 | SDF_LSAMPL | SDF_CMD_WRITE /* | SDF_CMD_READ */ ; |
03aef4b6 DS |
4500 | s->insn_bits = &ni_m_series_dio_insn_bits; |
4501 | s->insn_config = &ni_m_series_dio_insn_config; | |
4502 | s->do_cmd = &ni_cdio_cmd; | |
4503 | s->do_cmdtest = &ni_cdio_cmdtest; | |
4504 | s->cancel = &ni_cdio_cancel; | |
4505 | s->async_dma_dir = DMA_BIDIRECTIONAL; | |
4506 | s->len_chanlist = s->n_chan; | |
4507 | ||
4508 | ni_writel(CDO_Reset_Bit | CDI_Reset_Bit, M_Offset_CDIO_Command); | |
4509 | ni_writel(s->io_bits, M_Offset_DIO_Direction); | |
4510 | } else { | |
4511 | s->insn_bits = &ni_dio_insn_bits; | |
4512 | s->insn_config = &ni_dio_insn_config; | |
4513 | devpriv->dio_control = DIO_Pins_Dir(s->io_bits); | |
4514 | ni_writew(devpriv->dio_control, DIO_Control_Register); | |
4515 | } | |
4516 | ||
4517 | /* 8255 device */ | |
4518 | s = dev->subdevices + NI_8255_DIO_SUBDEV; | |
4519 | if (boardtype.has_8255) { | |
4520 | subdev_8255_init(dev, s, ni_8255_callback, (unsigned long)dev); | |
4521 | } else { | |
4522 | s->type = COMEDI_SUBD_UNUSED; | |
4523 | } | |
4524 | ||
4525 | /* formerly general purpose counter/timer device, but no longer used */ | |
4526 | s = dev->subdevices + NI_UNUSED_SUBDEV; | |
4527 | s->type = COMEDI_SUBD_UNUSED; | |
4528 | ||
4529 | /* calibration subdevice -- ai and ao */ | |
4530 | s = dev->subdevices + NI_CALIBRATION_SUBDEV; | |
4531 | s->type = COMEDI_SUBD_CALIB; | |
4532 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
2696fb57 | 4533 | /* internal PWM analog output used for AI nonlinearity calibration */ |
03aef4b6 DS |
4534 | s->subdev_flags = SDF_INTERNAL; |
4535 | s->insn_config = &ni_m_series_pwm_config; | |
4536 | s->n_chan = 1; | |
4537 | s->maxdata = 0; | |
4538 | ni_writel(0x0, M_Offset_Cal_PWM); | |
4539 | } else if (boardtype.reg_type == ni_reg_6143) { | |
2696fb57 | 4540 | /* internal PWM analog output used for AI nonlinearity calibration */ |
03aef4b6 DS |
4541 | s->subdev_flags = SDF_INTERNAL; |
4542 | s->insn_config = &ni_6143_pwm_config; | |
4543 | s->n_chan = 1; | |
4544 | s->maxdata = 0; | |
4545 | } else { | |
4546 | s->subdev_flags = SDF_WRITABLE | SDF_INTERNAL; | |
4547 | s->insn_read = &ni_calib_insn_read; | |
4548 | s->insn_write = &ni_calib_insn_write; | |
4549 | caldac_setup(dev, s); | |
4550 | } | |
4551 | ||
4552 | /* EEPROM */ | |
4553 | s = dev->subdevices + NI_EEPROM_SUBDEV; | |
4554 | s->type = COMEDI_SUBD_MEMORY; | |
4555 | s->subdev_flags = SDF_READABLE | SDF_INTERNAL; | |
4556 | s->maxdata = 0xff; | |
4557 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
4558 | s->n_chan = M_SERIES_EEPROM_SIZE; | |
4559 | s->insn_read = &ni_m_series_eeprom_insn_read; | |
4560 | } else { | |
4561 | s->n_chan = 512; | |
4562 | s->insn_read = &ni_eeprom_insn_read; | |
4563 | } | |
4564 | ||
4565 | /* PFI */ | |
4566 | s = dev->subdevices + NI_PFI_DIO_SUBDEV; | |
4567 | s->type = COMEDI_SUBD_DIO; | |
4568 | s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; | |
4569 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
4570 | unsigned i; | |
4571 | s->n_chan = 16; | |
4572 | ni_writew(s->state, M_Offset_PFI_DO); | |
4573 | for (i = 0; i < NUM_PFI_OUTPUT_SELECT_REGS; ++i) { | |
4574 | ni_writew(devpriv->pfi_output_select_reg[i], | |
0a85b6f0 | 4575 | M_Offset_PFI_Output_Select(i + 1)); |
03aef4b6 DS |
4576 | } |
4577 | } else { | |
4578 | s->n_chan = 10; | |
4579 | } | |
4580 | s->maxdata = 1; | |
4581 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
4582 | s->insn_bits = &ni_pfi_insn_bits; | |
4583 | } | |
4584 | s->insn_config = &ni_pfi_insn_config; | |
4585 | ni_set_bits(dev, IO_Bidirection_Pin_Register, ~0, 0); | |
4586 | ||
4587 | /* cs5529 calibration adc */ | |
4588 | s = dev->subdevices + NI_CS5529_CALIBRATION_SUBDEV; | |
4589 | if (boardtype.reg_type & ni_reg_67xx_mask) { | |
4590 | s->type = COMEDI_SUBD_AI; | |
4591 | s->subdev_flags = SDF_READABLE | SDF_DIFF | SDF_INTERNAL; | |
2696fb57 | 4592 | /* one channel for each analog output channel */ |
03aef4b6 DS |
4593 | s->n_chan = boardtype.n_aochan; |
4594 | s->maxdata = (1 << 16) - 1; | |
4595 | s->range_table = &range_unknown; /* XXX */ | |
4596 | s->insn_read = cs5529_ai_insn_read; | |
4597 | s->insn_config = NULL; | |
4598 | init_cs5529(dev); | |
4599 | } else { | |
4600 | s->type = COMEDI_SUBD_UNUSED; | |
4601 | } | |
4602 | ||
4603 | /* Serial */ | |
4604 | s = dev->subdevices + NI_SERIAL_SUBDEV; | |
4605 | s->type = COMEDI_SUBD_SERIAL; | |
4606 | s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; | |
4607 | s->n_chan = 1; | |
4608 | s->maxdata = 0xff; | |
4609 | s->insn_config = ni_serial_insn_config; | |
4610 | devpriv->serial_interval_ns = 0; | |
4611 | devpriv->serial_hw_mode = 0; | |
4612 | ||
4613 | /* RTSI */ | |
4614 | s = dev->subdevices + NI_RTSI_SUBDEV; | |
4615 | s->type = COMEDI_SUBD_DIO; | |
4616 | s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; | |
4617 | s->n_chan = 8; | |
4618 | s->maxdata = 1; | |
4619 | s->insn_bits = ni_rtsi_insn_bits; | |
4620 | s->insn_config = ni_rtsi_insn_config; | |
4621 | ni_rtsi_init(dev); | |
4622 | ||
4623 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
4624 | counter_variant = ni_gpct_variant_m_series; | |
4625 | } else { | |
4626 | counter_variant = ni_gpct_variant_e_series; | |
4627 | } | |
4628 | devpriv->counter_dev = ni_gpct_device_construct(dev, | |
0a85b6f0 MT |
4629 | &ni_gpct_write_register, |
4630 | &ni_gpct_read_register, | |
4631 | counter_variant, | |
4632 | NUM_GPCT); | |
03aef4b6 DS |
4633 | /* General purpose counters */ |
4634 | for (j = 0; j < NUM_GPCT; ++j) { | |
4635 | s = dev->subdevices + NI_GPCT_SUBDEV(j); | |
4636 | s->type = COMEDI_SUBD_COUNTER; | |
4637 | s->subdev_flags = | |
0a85b6f0 MT |
4638 | SDF_READABLE | SDF_WRITABLE | SDF_LSAMPL | SDF_CMD_READ |
4639 | /* | SDF_CMD_WRITE */ ; | |
03aef4b6 DS |
4640 | s->n_chan = 3; |
4641 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
4642 | s->maxdata = 0xffffffff; | |
4643 | else | |
4644 | s->maxdata = 0xffffff; | |
4645 | s->insn_read = &ni_gpct_insn_read; | |
4646 | s->insn_write = &ni_gpct_insn_write; | |
4647 | s->insn_config = &ni_gpct_insn_config; | |
4648 | s->do_cmd = &ni_gpct_cmd; | |
4649 | s->len_chanlist = 1; | |
4650 | s->do_cmdtest = &ni_gpct_cmdtest; | |
4651 | s->cancel = &ni_gpct_cancel; | |
4652 | s->async_dma_dir = DMA_BIDIRECTIONAL; | |
4653 | s->private = &devpriv->counter_dev->counters[j]; | |
4654 | ||
4655 | devpriv->counter_dev->counters[j].chip_index = 0; | |
4656 | devpriv->counter_dev->counters[j].counter_index = j; | |
4657 | ni_tio_init_counter(&devpriv->counter_dev->counters[j]); | |
4658 | } | |
4659 | ||
4660 | /* Frequency output */ | |
4661 | s = dev->subdevices + NI_FREQ_OUT_SUBDEV; | |
4662 | s->type = COMEDI_SUBD_COUNTER; | |
4663 | s->subdev_flags = SDF_READABLE | SDF_WRITABLE; | |
4664 | s->n_chan = 1; | |
4665 | s->maxdata = 0xf; | |
4666 | s->insn_read = &ni_freq_out_insn_read; | |
4667 | s->insn_write = &ni_freq_out_insn_write; | |
4668 | s->insn_config = &ni_freq_out_insn_config; | |
4669 | ||
4670 | /* ai configuration */ | |
4671 | ni_ai_reset(dev, dev->subdevices + NI_AI_SUBDEV); | |
4672 | if ((boardtype.reg_type & ni_reg_6xxx_mask) == 0) { | |
2696fb57 | 4673 | /* BEAM is this needed for PCI-6143 ?? */ |
03aef4b6 | 4674 | devpriv->clock_and_fout = |
0a85b6f0 MT |
4675 | Slow_Internal_Time_Divide_By_2 | |
4676 | Slow_Internal_Timebase | | |
4677 | Clock_To_Board_Divide_By_2 | | |
4678 | Clock_To_Board | | |
4679 | AI_Output_Divide_By_2 | AO_Output_Divide_By_2; | |
03aef4b6 DS |
4680 | } else { |
4681 | devpriv->clock_and_fout = | |
0a85b6f0 MT |
4682 | Slow_Internal_Time_Divide_By_2 | |
4683 | Slow_Internal_Timebase | | |
4684 | Clock_To_Board_Divide_By_2 | Clock_To_Board; | |
03aef4b6 DS |
4685 | } |
4686 | devpriv->stc_writew(dev, devpriv->clock_and_fout, | |
0a85b6f0 | 4687 | Clock_and_FOUT_Register); |
03aef4b6 DS |
4688 | |
4689 | /* analog output configuration */ | |
4690 | ni_ao_reset(dev, dev->subdevices + NI_AO_SUBDEV); | |
4691 | ||
4692 | if (dev->irq) { | |
4693 | devpriv->stc_writew(dev, | |
0a85b6f0 MT |
4694 | (IRQ_POLARITY ? Interrupt_Output_Polarity : |
4695 | 0) | (Interrupt_Output_On_3_Pins & 0) | | |
4696 | Interrupt_A_Enable | Interrupt_B_Enable | | |
4697 | Interrupt_A_Output_Select(interrupt_pin | |
4698 | (dev->irq)) | | |
4699 | Interrupt_B_Output_Select(interrupt_pin | |
4700 | (dev->irq)), | |
4701 | Interrupt_Control_Register); | |
03aef4b6 DS |
4702 | } |
4703 | ||
4704 | /* DMA setup */ | |
4705 | ni_writeb(devpriv->ai_ao_select_reg, AI_AO_Select); | |
4706 | ni_writeb(devpriv->g0_g1_select_reg, G0_G1_Select); | |
4707 | ||
4708 | if (boardtype.reg_type & ni_reg_6xxx_mask) { | |
4709 | ni_writeb(0, Magic_611x); | |
4710 | } else if (boardtype.reg_type & ni_reg_m_series_mask) { | |
4711 | int channel; | |
4712 | for (channel = 0; channel < boardtype.n_aochan; ++channel) { | |
4713 | ni_writeb(0xf, M_Offset_AO_Waveform_Order(channel)); | |
4714 | ni_writeb(0x0, | |
0a85b6f0 | 4715 | M_Offset_AO_Reference_Attenuation(channel)); |
03aef4b6 DS |
4716 | } |
4717 | ni_writeb(0x0, M_Offset_AO_Calibration); | |
4718 | } | |
4719 | ||
4720 | printk("\n"); | |
4721 | return 0; | |
4722 | } | |
4723 | ||
4724 | static int ni_8255_callback(int dir, int port, int data, unsigned long arg) | |
4725 | { | |
0a85b6f0 | 4726 | struct comedi_device *dev = (struct comedi_device *)arg; |
03aef4b6 DS |
4727 | |
4728 | if (dir) { | |
4729 | ni_writeb(data, Port_A + 2 * port); | |
4730 | return 0; | |
4731 | } else { | |
4732 | return ni_readb(Port_A + 2 * port); | |
4733 | } | |
4734 | } | |
4735 | ||
4736 | /* | |
4737 | presents the EEPROM as a subdevice | |
4738 | */ | |
4739 | ||
0a85b6f0 MT |
4740 | static int ni_eeprom_insn_read(struct comedi_device *dev, |
4741 | struct comedi_subdevice *s, | |
4742 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
4743 | { |
4744 | data[0] = ni_read_eeprom(dev, CR_CHAN(insn->chanspec)); | |
4745 | ||
4746 | return 1; | |
4747 | } | |
4748 | ||
4749 | /* | |
4750 | reads bytes out of eeprom | |
4751 | */ | |
4752 | ||
da91b269 | 4753 | static int ni_read_eeprom(struct comedi_device *dev, int addr) |
03aef4b6 DS |
4754 | { |
4755 | int bit; | |
4756 | int bitstring; | |
4757 | ||
4758 | bitstring = 0x0300 | ((addr & 0x100) << 3) | (addr & 0xff); | |
4759 | ni_writeb(0x04, Serial_Command); | |
4760 | for (bit = 0x8000; bit; bit >>= 1) { | |
4761 | ni_writeb(0x04 | ((bit & bitstring) ? 0x02 : 0), | |
0a85b6f0 | 4762 | Serial_Command); |
03aef4b6 | 4763 | ni_writeb(0x05 | ((bit & bitstring) ? 0x02 : 0), |
0a85b6f0 | 4764 | Serial_Command); |
03aef4b6 DS |
4765 | } |
4766 | bitstring = 0; | |
4767 | for (bit = 0x80; bit; bit >>= 1) { | |
4768 | ni_writeb(0x04, Serial_Command); | |
4769 | ni_writeb(0x05, Serial_Command); | |
4770 | bitstring |= ((ni_readb(XXX_Status) & PROMOUT) ? bit : 0); | |
4771 | } | |
4772 | ni_writeb(0x00, Serial_Command); | |
4773 | ||
4774 | return bitstring; | |
4775 | } | |
4776 | ||
da91b269 | 4777 | static int ni_m_series_eeprom_insn_read(struct comedi_device *dev, |
0a85b6f0 MT |
4778 | struct comedi_subdevice *s, |
4779 | struct comedi_insn *insn, | |
4780 | unsigned int *data) | |
03aef4b6 DS |
4781 | { |
4782 | data[0] = devpriv->eeprom_buffer[CR_CHAN(insn->chanspec)]; | |
4783 | ||
4784 | return 1; | |
4785 | } | |
4786 | ||
da91b269 | 4787 | static int ni_get_pwm_config(struct comedi_device *dev, unsigned int *data) |
03aef4b6 DS |
4788 | { |
4789 | data[1] = devpriv->pwm_up_count * devpriv->clock_ns; | |
4790 | data[2] = devpriv->pwm_down_count * devpriv->clock_ns; | |
4791 | return 3; | |
4792 | } | |
4793 | ||
0a85b6f0 MT |
4794 | static int ni_m_series_pwm_config(struct comedi_device *dev, |
4795 | struct comedi_subdevice *s, | |
4796 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
4797 | { |
4798 | unsigned up_count, down_count; | |
4799 | switch (data[0]) { | |
4800 | case INSN_CONFIG_PWM_OUTPUT: | |
4801 | switch (data[1]) { | |
4802 | case TRIG_ROUND_NEAREST: | |
4803 | up_count = | |
0a85b6f0 MT |
4804 | (data[2] + |
4805 | devpriv->clock_ns / 2) / devpriv->clock_ns; | |
03aef4b6 DS |
4806 | break; |
4807 | case TRIG_ROUND_DOWN: | |
4808 | up_count = data[2] / devpriv->clock_ns; | |
4809 | break; | |
4810 | case TRIG_ROUND_UP: | |
4811 | up_count = | |
0a85b6f0 MT |
4812 | (data[2] + devpriv->clock_ns - |
4813 | 1) / devpriv->clock_ns; | |
03aef4b6 DS |
4814 | break; |
4815 | default: | |
4816 | return -EINVAL; | |
4817 | break; | |
4818 | } | |
4819 | switch (data[3]) { | |
4820 | case TRIG_ROUND_NEAREST: | |
4821 | down_count = | |
0a85b6f0 MT |
4822 | (data[4] + |
4823 | devpriv->clock_ns / 2) / devpriv->clock_ns; | |
03aef4b6 DS |
4824 | break; |
4825 | case TRIG_ROUND_DOWN: | |
4826 | down_count = data[4] / devpriv->clock_ns; | |
4827 | break; | |
4828 | case TRIG_ROUND_UP: | |
4829 | down_count = | |
0a85b6f0 MT |
4830 | (data[4] + devpriv->clock_ns - |
4831 | 1) / devpriv->clock_ns; | |
03aef4b6 DS |
4832 | break; |
4833 | default: | |
4834 | return -EINVAL; | |
4835 | break; | |
4836 | } | |
4837 | if (up_count * devpriv->clock_ns != data[2] || | |
0a85b6f0 | 4838 | down_count * devpriv->clock_ns != data[4]) { |
03aef4b6 DS |
4839 | data[2] = up_count * devpriv->clock_ns; |
4840 | data[4] = down_count * devpriv->clock_ns; | |
4841 | return -EAGAIN; | |
4842 | } | |
4843 | ni_writel(MSeries_Cal_PWM_High_Time_Bits(up_count) | | |
0a85b6f0 MT |
4844 | MSeries_Cal_PWM_Low_Time_Bits(down_count), |
4845 | M_Offset_Cal_PWM); | |
03aef4b6 DS |
4846 | devpriv->pwm_up_count = up_count; |
4847 | devpriv->pwm_down_count = down_count; | |
4848 | return 5; | |
4849 | break; | |
4850 | case INSN_CONFIG_GET_PWM_OUTPUT: | |
4851 | return ni_get_pwm_config(dev, data); | |
4852 | break; | |
4853 | default: | |
4854 | return -EINVAL; | |
4855 | break; | |
4856 | } | |
4857 | return 0; | |
4858 | } | |
4859 | ||
0a85b6f0 MT |
4860 | static int ni_6143_pwm_config(struct comedi_device *dev, |
4861 | struct comedi_subdevice *s, | |
4862 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
4863 | { |
4864 | unsigned up_count, down_count; | |
4865 | switch (data[0]) { | |
4866 | case INSN_CONFIG_PWM_OUTPUT: | |
4867 | switch (data[1]) { | |
4868 | case TRIG_ROUND_NEAREST: | |
4869 | up_count = | |
0a85b6f0 MT |
4870 | (data[2] + |
4871 | devpriv->clock_ns / 2) / devpriv->clock_ns; | |
03aef4b6 DS |
4872 | break; |
4873 | case TRIG_ROUND_DOWN: | |
4874 | up_count = data[2] / devpriv->clock_ns; | |
4875 | break; | |
4876 | case TRIG_ROUND_UP: | |
4877 | up_count = | |
0a85b6f0 MT |
4878 | (data[2] + devpriv->clock_ns - |
4879 | 1) / devpriv->clock_ns; | |
03aef4b6 DS |
4880 | break; |
4881 | default: | |
4882 | return -EINVAL; | |
4883 | break; | |
4884 | } | |
4885 | switch (data[3]) { | |
4886 | case TRIG_ROUND_NEAREST: | |
4887 | down_count = | |
0a85b6f0 MT |
4888 | (data[4] + |
4889 | devpriv->clock_ns / 2) / devpriv->clock_ns; | |
03aef4b6 DS |
4890 | break; |
4891 | case TRIG_ROUND_DOWN: | |
4892 | down_count = data[4] / devpriv->clock_ns; | |
4893 | break; | |
4894 | case TRIG_ROUND_UP: | |
4895 | down_count = | |
0a85b6f0 MT |
4896 | (data[4] + devpriv->clock_ns - |
4897 | 1) / devpriv->clock_ns; | |
03aef4b6 DS |
4898 | break; |
4899 | default: | |
4900 | return -EINVAL; | |
4901 | break; | |
4902 | } | |
4903 | if (up_count * devpriv->clock_ns != data[2] || | |
0a85b6f0 | 4904 | down_count * devpriv->clock_ns != data[4]) { |
03aef4b6 DS |
4905 | data[2] = up_count * devpriv->clock_ns; |
4906 | data[4] = down_count * devpriv->clock_ns; | |
4907 | return -EAGAIN; | |
4908 | } | |
4909 | ni_writel(up_count, Calibration_HighTime_6143); | |
4910 | devpriv->pwm_up_count = up_count; | |
4911 | ni_writel(down_count, Calibration_LowTime_6143); | |
4912 | devpriv->pwm_down_count = down_count; | |
4913 | return 5; | |
4914 | break; | |
4915 | case INSN_CONFIG_GET_PWM_OUTPUT: | |
4916 | return ni_get_pwm_config(dev, data); | |
4917 | default: | |
4918 | return -EINVAL; | |
4919 | break; | |
4920 | } | |
4921 | return 0; | |
4922 | } | |
4923 | ||
da91b269 | 4924 | static void ni_write_caldac(struct comedi_device *dev, int addr, int val); |
03aef4b6 DS |
4925 | /* |
4926 | calibration subdevice | |
4927 | */ | |
0a85b6f0 MT |
4928 | static int ni_calib_insn_write(struct comedi_device *dev, |
4929 | struct comedi_subdevice *s, | |
4930 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
4931 | { |
4932 | ni_write_caldac(dev, CR_CHAN(insn->chanspec), data[0]); | |
4933 | ||
4934 | return 1; | |
4935 | } | |
4936 | ||
0a85b6f0 MT |
4937 | static int ni_calib_insn_read(struct comedi_device *dev, |
4938 | struct comedi_subdevice *s, | |
4939 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
4940 | { |
4941 | data[0] = devpriv->caldacs[CR_CHAN(insn->chanspec)]; | |
4942 | ||
4943 | return 1; | |
4944 | } | |
4945 | ||
4946 | static int pack_mb88341(int addr, int val, int *bitstring); | |
4947 | static int pack_dac8800(int addr, int val, int *bitstring); | |
4948 | static int pack_dac8043(int addr, int val, int *bitstring); | |
4949 | static int pack_ad8522(int addr, int val, int *bitstring); | |
4950 | static int pack_ad8804(int addr, int val, int *bitstring); | |
4951 | static int pack_ad8842(int addr, int val, int *bitstring); | |
4952 | ||
4953 | struct caldac_struct { | |
4954 | int n_chans; | |
4955 | int n_bits; | |
4956 | int (*packbits) (int, int, int *); | |
4957 | }; | |
4958 | ||
4959 | static struct caldac_struct caldacs[] = { | |
4960 | [mb88341] = {12, 8, pack_mb88341}, | |
4961 | [dac8800] = {8, 8, pack_dac8800}, | |
4962 | [dac8043] = {1, 12, pack_dac8043}, | |
4963 | [ad8522] = {2, 12, pack_ad8522}, | |
4964 | [ad8804] = {12, 8, pack_ad8804}, | |
4965 | [ad8842] = {8, 8, pack_ad8842}, | |
4966 | [ad8804_debug] = {16, 8, pack_ad8804}, | |
4967 | }; | |
4968 | ||
da91b269 | 4969 | static void caldac_setup(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 DS |
4970 | { |
4971 | int i, j; | |
4972 | int n_dacs; | |
4973 | int n_chans = 0; | |
4974 | int n_bits; | |
4975 | int diffbits = 0; | |
4976 | int type; | |
4977 | int chan; | |
4978 | ||
4979 | type = boardtype.caldac[0]; | |
4980 | if (type == caldac_none) | |
4981 | return; | |
4982 | n_bits = caldacs[type].n_bits; | |
4983 | for (i = 0; i < 3; i++) { | |
4984 | type = boardtype.caldac[i]; | |
4985 | if (type == caldac_none) | |
4986 | break; | |
4987 | if (caldacs[type].n_bits != n_bits) | |
4988 | diffbits = 1; | |
4989 | n_chans += caldacs[type].n_chans; | |
4990 | } | |
4991 | n_dacs = i; | |
4992 | s->n_chan = n_chans; | |
4993 | ||
4994 | if (diffbits) { | |
4995 | unsigned int *maxdata_list; | |
4996 | ||
4997 | if (n_chans > MAX_N_CALDACS) { | |
4998 | printk("BUG! MAX_N_CALDACS too small\n"); | |
4999 | } | |
5000 | s->maxdata_list = maxdata_list = devpriv->caldac_maxdata_list; | |
5001 | chan = 0; | |
5002 | for (i = 0; i < n_dacs; i++) { | |
5003 | type = boardtype.caldac[i]; | |
5004 | for (j = 0; j < caldacs[type].n_chans; j++) { | |
5005 | maxdata_list[chan] = | |
0a85b6f0 | 5006 | (1 << caldacs[type].n_bits) - 1; |
03aef4b6 DS |
5007 | chan++; |
5008 | } | |
5009 | } | |
5010 | ||
5011 | for (chan = 0; chan < s->n_chan; chan++) | |
5012 | ni_write_caldac(dev, i, s->maxdata_list[i] / 2); | |
5013 | } else { | |
5014 | type = boardtype.caldac[0]; | |
5015 | s->maxdata = (1 << caldacs[type].n_bits) - 1; | |
5016 | ||
5017 | for (chan = 0; chan < s->n_chan; chan++) | |
5018 | ni_write_caldac(dev, i, s->maxdata / 2); | |
5019 | } | |
5020 | } | |
5021 | ||
da91b269 | 5022 | static void ni_write_caldac(struct comedi_device *dev, int addr, int val) |
03aef4b6 DS |
5023 | { |
5024 | unsigned int loadbit = 0, bits = 0, bit, bitstring = 0; | |
5025 | int i; | |
5026 | int type; | |
5027 | ||
2696fb57 | 5028 | /* printk("ni_write_caldac: chan=%d val=%d\n",addr,val); */ |
03aef4b6 DS |
5029 | if (devpriv->caldacs[addr] == val) |
5030 | return; | |
5031 | devpriv->caldacs[addr] = val; | |
5032 | ||
5033 | for (i = 0; i < 3; i++) { | |
5034 | type = boardtype.caldac[i]; | |
5035 | if (type == caldac_none) | |
5036 | break; | |
5037 | if (addr < caldacs[type].n_chans) { | |
5038 | bits = caldacs[type].packbits(addr, val, &bitstring); | |
5039 | loadbit = SerDacLd(i); | |
2696fb57 | 5040 | /* printk("caldac: using i=%d addr=%d %x\n",i,addr,bitstring); */ |
03aef4b6 DS |
5041 | break; |
5042 | } | |
5043 | addr -= caldacs[type].n_chans; | |
5044 | } | |
5045 | ||
5046 | for (bit = 1 << (bits - 1); bit; bit >>= 1) { | |
5047 | ni_writeb(((bit & bitstring) ? 0x02 : 0), Serial_Command); | |
5f74ea14 | 5048 | udelay(1); |
03aef4b6 | 5049 | ni_writeb(1 | ((bit & bitstring) ? 0x02 : 0), Serial_Command); |
5f74ea14 | 5050 | udelay(1); |
03aef4b6 DS |
5051 | } |
5052 | ni_writeb(loadbit, Serial_Command); | |
5f74ea14 | 5053 | udelay(1); |
03aef4b6 DS |
5054 | ni_writeb(0, Serial_Command); |
5055 | } | |
5056 | ||
5057 | static int pack_mb88341(int addr, int val, int *bitstring) | |
5058 | { | |
5059 | /* | |
5060 | Fujitsu MB 88341 | |
5061 | Note that address bits are reversed. Thanks to | |
5062 | Ingo Keen for noticing this. | |
5063 | ||
5064 | Note also that the 88341 expects address values from | |
5065 | 1-12, whereas we use channel numbers 0-11. The NI | |
5066 | docs use 1-12, also, so be careful here. | |
5067 | */ | |
5068 | addr++; | |
5069 | *bitstring = ((addr & 0x1) << 11) | | |
0a85b6f0 MT |
5070 | ((addr & 0x2) << 9) | |
5071 | ((addr & 0x4) << 7) | ((addr & 0x8) << 5) | (val & 0xff); | |
03aef4b6 DS |
5072 | return 12; |
5073 | } | |
5074 | ||
5075 | static int pack_dac8800(int addr, int val, int *bitstring) | |
5076 | { | |
5077 | *bitstring = ((addr & 0x7) << 8) | (val & 0xff); | |
5078 | return 11; | |
5079 | } | |
5080 | ||
5081 | static int pack_dac8043(int addr, int val, int *bitstring) | |
5082 | { | |
5083 | *bitstring = val & 0xfff; | |
5084 | return 12; | |
5085 | } | |
5086 | ||
5087 | static int pack_ad8522(int addr, int val, int *bitstring) | |
5088 | { | |
5089 | *bitstring = (val & 0xfff) | (addr ? 0xc000 : 0xa000); | |
5090 | return 16; | |
5091 | } | |
5092 | ||
5093 | static int pack_ad8804(int addr, int val, int *bitstring) | |
5094 | { | |
5095 | *bitstring = ((addr & 0xf) << 8) | (val & 0xff); | |
5096 | return 12; | |
5097 | } | |
5098 | ||
5099 | static int pack_ad8842(int addr, int val, int *bitstring) | |
5100 | { | |
5101 | *bitstring = ((addr + 1) << 8) | (val & 0xff); | |
5102 | return 12; | |
5103 | } | |
5104 | ||
5105 | #if 0 | |
5106 | /* | |
5107 | * Read the GPCTs current value. | |
5108 | */ | |
da91b269 | 5109 | static int GPCT_G_Watch(struct comedi_device *dev, int chan) |
03aef4b6 DS |
5110 | { |
5111 | unsigned int hi1, hi2, lo; | |
5112 | ||
5113 | devpriv->gpct_command[chan] &= ~G_Save_Trace; | |
5114 | devpriv->stc_writew(dev, devpriv->gpct_command[chan], | |
0a85b6f0 | 5115 | G_Command_Register(chan)); |
03aef4b6 DS |
5116 | |
5117 | devpriv->gpct_command[chan] |= G_Save_Trace; | |
5118 | devpriv->stc_writew(dev, devpriv->gpct_command[chan], | |
0a85b6f0 | 5119 | G_Command_Register(chan)); |
03aef4b6 DS |
5120 | |
5121 | /* This procedure is used because the two registers cannot | |
5122 | * be read atomically. */ | |
5123 | do { | |
5124 | hi1 = devpriv->stc_readw(dev, G_Save_Register_High(chan)); | |
5125 | lo = devpriv->stc_readw(dev, G_Save_Register_Low(chan)); | |
5126 | hi2 = devpriv->stc_readw(dev, G_Save_Register_High(chan)); | |
5127 | } while (hi1 != hi2); | |
5128 | ||
5129 | return (hi1 << 16) | lo; | |
5130 | } | |
5131 | ||
da91b269 | 5132 | static void GPCT_Reset(struct comedi_device *dev, int chan) |
03aef4b6 DS |
5133 | { |
5134 | int temp_ack_reg = 0; | |
5135 | ||
2696fb57 | 5136 | /* printk("GPCT_Reset..."); */ |
03aef4b6 DS |
5137 | devpriv->gpct_cur_operation[chan] = GPCT_RESET; |
5138 | ||
5139 | switch (chan) { | |
5140 | case 0: | |
5141 | devpriv->stc_writew(dev, G0_Reset, Joint_Reset_Register); | |
5142 | ni_set_bits(dev, Interrupt_A_Enable_Register, | |
0a85b6f0 | 5143 | G0_TC_Interrupt_Enable, 0); |
03aef4b6 | 5144 | ni_set_bits(dev, Interrupt_A_Enable_Register, |
0a85b6f0 | 5145 | G0_Gate_Interrupt_Enable, 0); |
03aef4b6 DS |
5146 | temp_ack_reg |= G0_Gate_Error_Confirm; |
5147 | temp_ack_reg |= G0_TC_Error_Confirm; | |
5148 | temp_ack_reg |= G0_TC_Interrupt_Ack; | |
5149 | temp_ack_reg |= G0_Gate_Interrupt_Ack; | |
5150 | devpriv->stc_writew(dev, temp_ack_reg, | |
0a85b6f0 | 5151 | Interrupt_A_Ack_Register); |
03aef4b6 | 5152 | |
2696fb57 | 5153 | /* problem...this interferes with the other ctr... */ |
03aef4b6 DS |
5154 | devpriv->an_trig_etc_reg |= GPFO_0_Output_Enable; |
5155 | devpriv->stc_writew(dev, devpriv->an_trig_etc_reg, | |
0a85b6f0 | 5156 | Analog_Trigger_Etc_Register); |
03aef4b6 DS |
5157 | break; |
5158 | case 1: | |
5159 | devpriv->stc_writew(dev, G1_Reset, Joint_Reset_Register); | |
5160 | ni_set_bits(dev, Interrupt_B_Enable_Register, | |
0a85b6f0 | 5161 | G1_TC_Interrupt_Enable, 0); |
03aef4b6 | 5162 | ni_set_bits(dev, Interrupt_B_Enable_Register, |
0a85b6f0 | 5163 | G0_Gate_Interrupt_Enable, 0); |
03aef4b6 DS |
5164 | temp_ack_reg |= G1_Gate_Error_Confirm; |
5165 | temp_ack_reg |= G1_TC_Error_Confirm; | |
5166 | temp_ack_reg |= G1_TC_Interrupt_Ack; | |
5167 | temp_ack_reg |= G1_Gate_Interrupt_Ack; | |
5168 | devpriv->stc_writew(dev, temp_ack_reg, | |
0a85b6f0 | 5169 | Interrupt_B_Ack_Register); |
03aef4b6 DS |
5170 | |
5171 | devpriv->an_trig_etc_reg |= GPFO_1_Output_Enable; | |
5172 | devpriv->stc_writew(dev, devpriv->an_trig_etc_reg, | |
0a85b6f0 | 5173 | Analog_Trigger_Etc_Register); |
03aef4b6 DS |
5174 | break; |
5175 | }; | |
5176 | ||
5177 | devpriv->gpct_mode[chan] = 0; | |
5178 | devpriv->gpct_input_select[chan] = 0; | |
5179 | devpriv->gpct_command[chan] = 0; | |
5180 | ||
5181 | devpriv->gpct_command[chan] |= G_Synchronized_Gate; | |
5182 | ||
5183 | devpriv->stc_writew(dev, devpriv->gpct_mode[chan], | |
0a85b6f0 | 5184 | G_Mode_Register(chan)); |
03aef4b6 | 5185 | devpriv->stc_writew(dev, devpriv->gpct_input_select[chan], |
0a85b6f0 | 5186 | G_Input_Select_Register(chan)); |
03aef4b6 DS |
5187 | devpriv->stc_writew(dev, 0, G_Autoincrement_Register(chan)); |
5188 | ||
2696fb57 | 5189 | /* printk("exit GPCT_Reset\n"); */ |
03aef4b6 DS |
5190 | } |
5191 | ||
5192 | #endif | |
5193 | ||
0a85b6f0 MT |
5194 | static int ni_gpct_insn_config(struct comedi_device *dev, |
5195 | struct comedi_subdevice *s, | |
5196 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
5197 | { |
5198 | struct ni_gpct *counter = s->private; | |
5199 | return ni_tio_insn_config(counter, insn, data); | |
5200 | } | |
5201 | ||
0a85b6f0 MT |
5202 | static int ni_gpct_insn_read(struct comedi_device *dev, |
5203 | struct comedi_subdevice *s, | |
5204 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
5205 | { |
5206 | struct ni_gpct *counter = s->private; | |
5207 | return ni_tio_rinsn(counter, insn, data); | |
5208 | } | |
5209 | ||
0a85b6f0 MT |
5210 | static int ni_gpct_insn_write(struct comedi_device *dev, |
5211 | struct comedi_subdevice *s, | |
5212 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
5213 | { |
5214 | struct ni_gpct *counter = s->private; | |
5215 | return ni_tio_winsn(counter, insn, data); | |
5216 | } | |
5217 | ||
da91b269 | 5218 | static int ni_gpct_cmd(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 DS |
5219 | { |
5220 | int retval; | |
5221 | #ifdef PCIDMA | |
5222 | struct ni_gpct *counter = s->private; | |
2696fb57 | 5223 | /* const struct comedi_cmd *cmd = &s->async->cmd; */ |
03aef4b6 DS |
5224 | |
5225 | retval = ni_request_gpct_mite_channel(dev, counter->counter_index, | |
0a85b6f0 | 5226 | COMEDI_INPUT); |
03aef4b6 DS |
5227 | if (retval) { |
5228 | comedi_error(dev, | |
0a85b6f0 | 5229 | "no dma channel available for use by counter"); |
03aef4b6 DS |
5230 | return retval; |
5231 | } | |
5232 | ni_tio_acknowledge_and_confirm(counter, NULL, NULL, NULL, NULL); | |
5233 | ni_e_series_enable_second_irq(dev, counter->counter_index, 1); | |
5234 | retval = ni_tio_cmd(counter, s->async); | |
5235 | #else | |
5236 | retval = -ENOTSUPP; | |
5237 | #endif | |
5238 | return retval; | |
5239 | } | |
5240 | ||
0a85b6f0 MT |
5241 | static int ni_gpct_cmdtest(struct comedi_device *dev, |
5242 | struct comedi_subdevice *s, struct comedi_cmd *cmd) | |
03aef4b6 DS |
5243 | { |
5244 | #ifdef PCIDMA | |
5245 | struct ni_gpct *counter = s->private; | |
5246 | ||
5247 | return ni_tio_cmdtest(counter, cmd); | |
5248 | #else | |
5249 | return -ENOTSUPP; | |
5250 | #endif | |
5251 | } | |
5252 | ||
da91b269 | 5253 | static int ni_gpct_cancel(struct comedi_device *dev, struct comedi_subdevice *s) |
03aef4b6 DS |
5254 | { |
5255 | #ifdef PCIDMA | |
5256 | struct ni_gpct *counter = s->private; | |
5257 | int retval; | |
5258 | ||
5259 | retval = ni_tio_cancel(counter); | |
5260 | ni_e_series_enable_second_irq(dev, counter->counter_index, 0); | |
5261 | ni_release_gpct_mite_channel(dev, counter->counter_index); | |
5262 | return retval; | |
5263 | #else | |
5264 | return 0; | |
5265 | #endif | |
5266 | } | |
5267 | ||
5268 | /* | |
5269 | * | |
5270 | * Programmable Function Inputs | |
5271 | * | |
5272 | */ | |
5273 | ||
da91b269 | 5274 | static int ni_m_series_set_pfi_routing(struct comedi_device *dev, unsigned chan, |
0a85b6f0 | 5275 | unsigned source) |
03aef4b6 DS |
5276 | { |
5277 | unsigned pfi_reg_index; | |
5278 | unsigned array_offset; | |
5279 | if ((source & 0x1f) != source) | |
5280 | return -EINVAL; | |
5281 | pfi_reg_index = 1 + chan / 3; | |
5282 | array_offset = pfi_reg_index - 1; | |
5283 | devpriv->pfi_output_select_reg[array_offset] &= | |
0a85b6f0 | 5284 | ~MSeries_PFI_Output_Select_Mask(chan); |
03aef4b6 | 5285 | devpriv->pfi_output_select_reg[array_offset] |= |
0a85b6f0 | 5286 | MSeries_PFI_Output_Select_Bits(chan, source); |
03aef4b6 | 5287 | ni_writew(devpriv->pfi_output_select_reg[array_offset], |
0a85b6f0 | 5288 | M_Offset_PFI_Output_Select(pfi_reg_index)); |
03aef4b6 DS |
5289 | return 2; |
5290 | } | |
5291 | ||
da91b269 | 5292 | static int ni_old_set_pfi_routing(struct comedi_device *dev, unsigned chan, |
0a85b6f0 | 5293 | unsigned source) |
03aef4b6 | 5294 | { |
2696fb57 | 5295 | /* pre-m-series boards have fixed signals on pfi pins */ |
03aef4b6 DS |
5296 | if (source != ni_old_get_pfi_routing(dev, chan)) |
5297 | return -EINVAL; | |
5298 | return 2; | |
5299 | } | |
5300 | ||
da91b269 | 5301 | static int ni_set_pfi_routing(struct comedi_device *dev, unsigned chan, |
0a85b6f0 | 5302 | unsigned source) |
03aef4b6 DS |
5303 | { |
5304 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
5305 | return ni_m_series_set_pfi_routing(dev, chan, source); | |
5306 | else | |
5307 | return ni_old_set_pfi_routing(dev, chan, source); | |
5308 | } | |
5309 | ||
0a85b6f0 MT |
5310 | static unsigned ni_m_series_get_pfi_routing(struct comedi_device *dev, |
5311 | unsigned chan) | |
03aef4b6 DS |
5312 | { |
5313 | const unsigned array_offset = chan / 3; | |
5314 | return MSeries_PFI_Output_Select_Source(chan, | |
0a85b6f0 MT |
5315 | devpriv-> |
5316 | pfi_output_select_reg | |
5317 | [array_offset]); | |
03aef4b6 DS |
5318 | } |
5319 | ||
da91b269 | 5320 | static unsigned ni_old_get_pfi_routing(struct comedi_device *dev, unsigned chan) |
03aef4b6 | 5321 | { |
2696fb57 | 5322 | /* pre-m-series boards have fixed signals on pfi pins */ |
03aef4b6 DS |
5323 | switch (chan) { |
5324 | case 0: | |
5325 | return NI_PFI_OUTPUT_AI_START1; | |
5326 | break; | |
5327 | case 1: | |
5328 | return NI_PFI_OUTPUT_AI_START2; | |
5329 | break; | |
5330 | case 2: | |
5331 | return NI_PFI_OUTPUT_AI_CONVERT; | |
5332 | break; | |
5333 | case 3: | |
5334 | return NI_PFI_OUTPUT_G_SRC1; | |
5335 | break; | |
5336 | case 4: | |
5337 | return NI_PFI_OUTPUT_G_GATE1; | |
5338 | break; | |
5339 | case 5: | |
5340 | return NI_PFI_OUTPUT_AO_UPDATE_N; | |
5341 | break; | |
5342 | case 6: | |
5343 | return NI_PFI_OUTPUT_AO_START1; | |
5344 | break; | |
5345 | case 7: | |
5346 | return NI_PFI_OUTPUT_AI_START_PULSE; | |
5347 | break; | |
5348 | case 8: | |
5349 | return NI_PFI_OUTPUT_G_SRC0; | |
5350 | break; | |
5351 | case 9: | |
5352 | return NI_PFI_OUTPUT_G_GATE0; | |
5353 | break; | |
5354 | default: | |
5f74ea14 | 5355 | printk("%s: bug, unhandled case in switch.\n", __func__); |
03aef4b6 DS |
5356 | break; |
5357 | } | |
5358 | return 0; | |
5359 | } | |
5360 | ||
da91b269 | 5361 | static unsigned ni_get_pfi_routing(struct comedi_device *dev, unsigned chan) |
03aef4b6 DS |
5362 | { |
5363 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
5364 | return ni_m_series_get_pfi_routing(dev, chan); | |
5365 | else | |
5366 | return ni_old_get_pfi_routing(dev, chan); | |
5367 | } | |
5368 | ||
da91b269 | 5369 | static int ni_config_filter(struct comedi_device *dev, unsigned pfi_channel, |
0a85b6f0 | 5370 | enum ni_pfi_filter_select filter) |
03aef4b6 DS |
5371 | { |
5372 | unsigned bits; | |
5373 | if ((boardtype.reg_type & ni_reg_m_series_mask) == 0) { | |
5374 | return -ENOTSUPP; | |
5375 | } | |
5376 | bits = ni_readl(M_Offset_PFI_Filter); | |
5377 | bits &= ~MSeries_PFI_Filter_Select_Mask(pfi_channel); | |
5378 | bits |= MSeries_PFI_Filter_Select_Bits(pfi_channel, filter); | |
5379 | ni_writel(bits, M_Offset_PFI_Filter); | |
5380 | return 0; | |
5381 | } | |
5382 | ||
0a85b6f0 MT |
5383 | static int ni_pfi_insn_bits(struct comedi_device *dev, |
5384 | struct comedi_subdevice *s, | |
5385 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
5386 | { |
5387 | if ((boardtype.reg_type & ni_reg_m_series_mask) == 0) { | |
5388 | return -ENOTSUPP; | |
5389 | } | |
5390 | if (data[0]) { | |
5391 | s->state &= ~data[0]; | |
5392 | s->state |= (data[0] & data[1]); | |
5393 | ni_writew(s->state, M_Offset_PFI_DO); | |
5394 | } | |
5395 | data[1] = ni_readw(M_Offset_PFI_DI); | |
5396 | return 2; | |
5397 | } | |
5398 | ||
0a85b6f0 MT |
5399 | static int ni_pfi_insn_config(struct comedi_device *dev, |
5400 | struct comedi_subdevice *s, | |
5401 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
5402 | { |
5403 | unsigned int chan; | |
5404 | ||
5405 | if (insn->n < 1) | |
5406 | return -EINVAL; | |
5407 | ||
5408 | chan = CR_CHAN(insn->chanspec); | |
5409 | ||
5410 | switch (data[0]) { | |
5411 | case COMEDI_OUTPUT: | |
5412 | ni_set_bits(dev, IO_Bidirection_Pin_Register, 1 << chan, 1); | |
5413 | break; | |
5414 | case COMEDI_INPUT: | |
5415 | ni_set_bits(dev, IO_Bidirection_Pin_Register, 1 << chan, 0); | |
5416 | break; | |
5417 | case INSN_CONFIG_DIO_QUERY: | |
5418 | data[1] = | |
0a85b6f0 MT |
5419 | (devpriv->io_bidirection_pin_reg & (1 << chan)) ? |
5420 | COMEDI_OUTPUT : COMEDI_INPUT; | |
03aef4b6 DS |
5421 | return 0; |
5422 | break; | |
5423 | case INSN_CONFIG_SET_ROUTING: | |
5424 | return ni_set_pfi_routing(dev, chan, data[1]); | |
5425 | break; | |
5426 | case INSN_CONFIG_GET_ROUTING: | |
5427 | data[1] = ni_get_pfi_routing(dev, chan); | |
5428 | break; | |
5429 | case INSN_CONFIG_FILTER: | |
5430 | return ni_config_filter(dev, chan, data[1]); | |
5431 | break; | |
5432 | default: | |
5433 | return -EINVAL; | |
5434 | } | |
5435 | return 0; | |
5436 | } | |
5437 | ||
5438 | /* | |
5439 | * | |
5440 | * NI RTSI Bus Functions | |
5441 | * | |
5442 | */ | |
da91b269 | 5443 | static void ni_rtsi_init(struct comedi_device *dev) |
03aef4b6 | 5444 | { |
2696fb57 | 5445 | /* Initialises the RTSI bus signal switch to a default state */ |
03aef4b6 | 5446 | |
2696fb57 | 5447 | /* Set clock mode to internal */ |
03aef4b6 DS |
5448 | devpriv->clock_and_fout2 = MSeries_RTSI_10MHz_Bit; |
5449 | if (ni_set_master_clock(dev, NI_MIO_INTERNAL_CLOCK, 0) < 0) { | |
5f74ea14 | 5450 | printk("ni_set_master_clock failed, bug?"); |
03aef4b6 | 5451 | } |
2696fb57 | 5452 | /* default internal lines routing to RTSI bus lines */ |
03aef4b6 | 5453 | devpriv->rtsi_trig_a_output_reg = |
0a85b6f0 MT |
5454 | RTSI_Trig_Output_Bits(0, |
5455 | NI_RTSI_OUTPUT_ADR_START1) | | |
5456 | RTSI_Trig_Output_Bits(1, | |
5457 | NI_RTSI_OUTPUT_ADR_START2) | | |
5458 | RTSI_Trig_Output_Bits(2, | |
5459 | NI_RTSI_OUTPUT_SCLKG) | | |
5460 | RTSI_Trig_Output_Bits(3, NI_RTSI_OUTPUT_DACUPDN); | |
03aef4b6 | 5461 | devpriv->stc_writew(dev, devpriv->rtsi_trig_a_output_reg, |
0a85b6f0 | 5462 | RTSI_Trig_A_Output_Register); |
03aef4b6 | 5463 | devpriv->rtsi_trig_b_output_reg = |
0a85b6f0 MT |
5464 | RTSI_Trig_Output_Bits(4, |
5465 | NI_RTSI_OUTPUT_DA_START1) | | |
5466 | RTSI_Trig_Output_Bits(5, | |
5467 | NI_RTSI_OUTPUT_G_SRC0) | | |
5468 | RTSI_Trig_Output_Bits(6, NI_RTSI_OUTPUT_G_GATE0); | |
03aef4b6 DS |
5469 | if (boardtype.reg_type & ni_reg_m_series_mask) |
5470 | devpriv->rtsi_trig_b_output_reg |= | |
0a85b6f0 | 5471 | RTSI_Trig_Output_Bits(7, NI_RTSI_OUTPUT_RTSI_OSC); |
03aef4b6 | 5472 | devpriv->stc_writew(dev, devpriv->rtsi_trig_b_output_reg, |
0a85b6f0 | 5473 | RTSI_Trig_B_Output_Register); |
03aef4b6 | 5474 | |
2696fb57 BP |
5475 | /* |
5476 | * Sets the source and direction of the 4 on board lines | |
5477 | * devpriv->stc_writew(dev, 0x0000, RTSI_Board_Register); | |
5478 | */ | |
03aef4b6 DS |
5479 | } |
5480 | ||
0a85b6f0 MT |
5481 | static int ni_rtsi_insn_bits(struct comedi_device *dev, |
5482 | struct comedi_subdevice *s, | |
5483 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
5484 | { |
5485 | if (insn->n != 2) | |
5486 | return -EINVAL; | |
5487 | ||
5488 | data[1] = 0; | |
5489 | ||
5490 | return 2; | |
5491 | } | |
5492 | ||
5493 | /* Find best multiplier/divider to try and get the PLL running at 80 MHz | |
5494 | * given an arbitrary frequency input clock */ | |
5495 | static int ni_mseries_get_pll_parameters(unsigned reference_period_ns, | |
0a85b6f0 MT |
5496 | unsigned *freq_divider, |
5497 | unsigned *freq_multiplier, | |
5498 | unsigned *actual_period_ns) | |
03aef4b6 DS |
5499 | { |
5500 | unsigned div; | |
5501 | unsigned best_div = 1; | |
5502 | static const unsigned max_div = 0x10; | |
5503 | unsigned mult; | |
5504 | unsigned best_mult = 1; | |
5505 | static const unsigned max_mult = 0x100; | |
5506 | static const unsigned pico_per_nano = 1000; | |
5507 | ||
5508 | const unsigned reference_picosec = reference_period_ns * pico_per_nano; | |
5509 | /* m-series wants the phased-locked loop to output 80MHz, which is divided by 4 to | |
5510 | * 20 MHz for most timing clocks */ | |
5511 | static const unsigned target_picosec = 12500; | |
5512 | static const unsigned fudge_factor_80_to_20Mhz = 4; | |
5513 | int best_period_picosec = 0; | |
5514 | for (div = 1; div <= max_div; ++div) { | |
5515 | for (mult = 1; mult <= max_mult; ++mult) { | |
5516 | unsigned new_period_ps = | |
0a85b6f0 | 5517 | (reference_picosec * div) / mult; |
03aef4b6 | 5518 | if (abs(new_period_ps - target_picosec) < |
0a85b6f0 | 5519 | abs(best_period_picosec - target_picosec)) { |
03aef4b6 DS |
5520 | best_period_picosec = new_period_ps; |
5521 | best_div = div; | |
5522 | best_mult = mult; | |
5523 | } | |
5524 | } | |
5525 | } | |
5526 | if (best_period_picosec == 0) { | |
0a85b6f0 | 5527 | printk("%s: bug, failed to find pll parameters\n", __func__); |
03aef4b6 DS |
5528 | return -EIO; |
5529 | } | |
5530 | *freq_divider = best_div; | |
5531 | *freq_multiplier = best_mult; | |
5532 | *actual_period_ns = | |
0a85b6f0 MT |
5533 | (best_period_picosec * fudge_factor_80_to_20Mhz + |
5534 | (pico_per_nano / 2)) / pico_per_nano; | |
03aef4b6 DS |
5535 | return 0; |
5536 | } | |
5537 | ||
da91b269 | 5538 | static inline unsigned num_configurable_rtsi_channels(struct comedi_device *dev) |
03aef4b6 DS |
5539 | { |
5540 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
5541 | return 8; | |
5542 | else | |
5543 | return 7; | |
5544 | } | |
5545 | ||
0a85b6f0 MT |
5546 | static int ni_mseries_set_pll_master_clock(struct comedi_device *dev, |
5547 | unsigned source, unsigned period_ns) | |
03aef4b6 DS |
5548 | { |
5549 | static const unsigned min_period_ns = 50; | |
5550 | static const unsigned max_period_ns = 1000; | |
5551 | static const unsigned timeout = 1000; | |
5552 | unsigned pll_control_bits; | |
5553 | unsigned freq_divider; | |
5554 | unsigned freq_multiplier; | |
5555 | unsigned i; | |
5556 | int retval; | |
5557 | if (source == NI_MIO_PLL_PXI10_CLOCK) | |
5558 | period_ns = 100; | |
2696fb57 | 5559 | /* these limits are somewhat arbitrary, but NI advertises 1 to 20MHz range so we'll use that */ |
03aef4b6 | 5560 | if (period_ns < min_period_ns || period_ns > max_period_ns) { |
5f74ea14 | 5561 | printk |
0a85b6f0 MT |
5562 | ("%s: you must specify an input clock frequency between %i and %i nanosec " |
5563 | "for the phased-lock loop.\n", __func__, | |
5564 | min_period_ns, max_period_ns); | |
03aef4b6 DS |
5565 | return -EINVAL; |
5566 | } | |
5567 | devpriv->rtsi_trig_direction_reg &= ~Use_RTSI_Clock_Bit; | |
5568 | devpriv->stc_writew(dev, devpriv->rtsi_trig_direction_reg, | |
0a85b6f0 | 5569 | RTSI_Trig_Direction_Register); |
03aef4b6 | 5570 | pll_control_bits = |
0a85b6f0 | 5571 | MSeries_PLL_Enable_Bit | MSeries_PLL_VCO_Mode_75_150MHz_Bits; |
03aef4b6 | 5572 | devpriv->clock_and_fout2 |= |
0a85b6f0 | 5573 | MSeries_Timebase1_Select_Bit | MSeries_Timebase3_Select_Bit; |
03aef4b6 DS |
5574 | devpriv->clock_and_fout2 &= ~MSeries_PLL_In_Source_Select_Mask; |
5575 | switch (source) { | |
5576 | case NI_MIO_PLL_PXI_STAR_TRIGGER_CLOCK: | |
5577 | devpriv->clock_and_fout2 |= | |
0a85b6f0 | 5578 | MSeries_PLL_In_Source_Select_Star_Trigger_Bits; |
03aef4b6 | 5579 | retval = ni_mseries_get_pll_parameters(period_ns, &freq_divider, |
0a85b6f0 MT |
5580 | &freq_multiplier, |
5581 | &devpriv->clock_ns); | |
03aef4b6 DS |
5582 | if (retval < 0) |
5583 | return retval; | |
5584 | break; | |
5585 | case NI_MIO_PLL_PXI10_CLOCK: | |
5586 | /* pxi clock is 10MHz */ | |
5587 | devpriv->clock_and_fout2 |= | |
0a85b6f0 | 5588 | MSeries_PLL_In_Source_Select_PXI_Clock10; |
03aef4b6 | 5589 | retval = ni_mseries_get_pll_parameters(period_ns, &freq_divider, |
0a85b6f0 MT |
5590 | &freq_multiplier, |
5591 | &devpriv->clock_ns); | |
03aef4b6 DS |
5592 | if (retval < 0) |
5593 | return retval; | |
5594 | break; | |
5595 | default: | |
5596 | { | |
5597 | unsigned rtsi_channel; | |
5598 | static const unsigned max_rtsi_channel = 7; | |
5599 | for (rtsi_channel = 0; rtsi_channel <= max_rtsi_channel; | |
0a85b6f0 | 5600 | ++rtsi_channel) { |
03aef4b6 | 5601 | if (source == |
0a85b6f0 | 5602 | NI_MIO_PLL_RTSI_CLOCK(rtsi_channel)) { |
03aef4b6 | 5603 | devpriv->clock_and_fout2 |= |
0a85b6f0 MT |
5604 | MSeries_PLL_In_Source_Select_RTSI_Bits |
5605 | (rtsi_channel); | |
03aef4b6 DS |
5606 | break; |
5607 | } | |
5608 | } | |
5609 | if (rtsi_channel > max_rtsi_channel) | |
5610 | return -EINVAL; | |
5611 | retval = ni_mseries_get_pll_parameters(period_ns, | |
0a85b6f0 MT |
5612 | &freq_divider, |
5613 | &freq_multiplier, | |
5614 | &devpriv-> | |
5615 | clock_ns); | |
03aef4b6 DS |
5616 | if (retval < 0) |
5617 | return retval; | |
5618 | } | |
5619 | break; | |
5620 | } | |
5621 | ni_writew(devpriv->clock_and_fout2, M_Offset_Clock_and_Fout2); | |
5622 | pll_control_bits |= | |
0a85b6f0 MT |
5623 | MSeries_PLL_Divisor_Bits(freq_divider) | |
5624 | MSeries_PLL_Multiplier_Bits(freq_multiplier); | |
2696fb57 | 5625 | |
5f74ea14 | 5626 | /* printk("using divider=%i, multiplier=%i for PLL. pll_control_bits = 0x%x\n", |
2696fb57 | 5627 | * freq_divider, freq_multiplier, pll_control_bits); */ |
5f74ea14 | 5628 | /* printk("clock_ns=%d\n", devpriv->clock_ns); */ |
03aef4b6 DS |
5629 | ni_writew(pll_control_bits, M_Offset_PLL_Control); |
5630 | devpriv->clock_source = source; | |
5631 | /* it seems to typically take a few hundred microseconds for PLL to lock */ | |
5632 | for (i = 0; i < timeout; ++i) { | |
5633 | if (ni_readw(M_Offset_PLL_Status) & MSeries_PLL_Locked_Bit) { | |
5634 | break; | |
5635 | } | |
5636 | udelay(1); | |
5637 | } | |
5638 | if (i == timeout) { | |
5f74ea14 | 5639 | printk |
0a85b6f0 MT |
5640 | ("%s: timed out waiting for PLL to lock to reference clock source %i with period %i ns.\n", |
5641 | __func__, source, period_ns); | |
03aef4b6 DS |
5642 | return -ETIMEDOUT; |
5643 | } | |
5644 | return 3; | |
5645 | } | |
5646 | ||
da91b269 | 5647 | static int ni_set_master_clock(struct comedi_device *dev, unsigned source, |
0a85b6f0 | 5648 | unsigned period_ns) |
03aef4b6 DS |
5649 | { |
5650 | if (source == NI_MIO_INTERNAL_CLOCK) { | |
5651 | devpriv->rtsi_trig_direction_reg &= ~Use_RTSI_Clock_Bit; | |
5652 | devpriv->stc_writew(dev, devpriv->rtsi_trig_direction_reg, | |
0a85b6f0 | 5653 | RTSI_Trig_Direction_Register); |
03aef4b6 DS |
5654 | devpriv->clock_ns = TIMEBASE_1_NS; |
5655 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
5656 | devpriv->clock_and_fout2 &= | |
0a85b6f0 MT |
5657 | ~(MSeries_Timebase1_Select_Bit | |
5658 | MSeries_Timebase3_Select_Bit); | |
03aef4b6 | 5659 | ni_writew(devpriv->clock_and_fout2, |
0a85b6f0 | 5660 | M_Offset_Clock_and_Fout2); |
03aef4b6 DS |
5661 | ni_writew(0, M_Offset_PLL_Control); |
5662 | } | |
5663 | devpriv->clock_source = source; | |
5664 | } else { | |
5665 | if (boardtype.reg_type & ni_reg_m_series_mask) { | |
5666 | return ni_mseries_set_pll_master_clock(dev, source, | |
0a85b6f0 | 5667 | period_ns); |
03aef4b6 DS |
5668 | } else { |
5669 | if (source == NI_MIO_RTSI_CLOCK) { | |
5670 | devpriv->rtsi_trig_direction_reg |= | |
0a85b6f0 | 5671 | Use_RTSI_Clock_Bit; |
03aef4b6 | 5672 | devpriv->stc_writew(dev, |
0a85b6f0 MT |
5673 | devpriv-> |
5674 | rtsi_trig_direction_reg, | |
5675 | RTSI_Trig_Direction_Register); | |
03aef4b6 | 5676 | if (period_ns == 0) { |
5f74ea14 | 5677 | printk |
0a85b6f0 MT |
5678 | ("%s: we don't handle an unspecified clock period correctly yet, returning error.\n", |
5679 | __func__); | |
03aef4b6 DS |
5680 | return -EINVAL; |
5681 | } else { | |
5682 | devpriv->clock_ns = period_ns; | |
5683 | } | |
5684 | devpriv->clock_source = source; | |
5685 | } else | |
5686 | return -EINVAL; | |
5687 | } | |
5688 | } | |
5689 | return 3; | |
5690 | } | |
5691 | ||
da91b269 | 5692 | static int ni_valid_rtsi_output_source(struct comedi_device *dev, unsigned chan, |
0a85b6f0 | 5693 | unsigned source) |
03aef4b6 DS |
5694 | { |
5695 | if (chan >= num_configurable_rtsi_channels(dev)) { | |
5696 | if (chan == old_RTSI_clock_channel) { | |
5697 | if (source == NI_RTSI_OUTPUT_RTSI_OSC) | |
5698 | return 1; | |
5699 | else { | |
5f74ea14 | 5700 | printk |
0a85b6f0 MT |
5701 | ("%s: invalid source for channel=%i, channel %i is always the RTSI clock for pre-m-series boards.\n", |
5702 | __func__, chan, old_RTSI_clock_channel); | |
03aef4b6 DS |
5703 | return 0; |
5704 | } | |
5705 | } | |
5706 | return 0; | |
5707 | } | |
5708 | switch (source) { | |
5709 | case NI_RTSI_OUTPUT_ADR_START1: | |
5710 | case NI_RTSI_OUTPUT_ADR_START2: | |
5711 | case NI_RTSI_OUTPUT_SCLKG: | |
5712 | case NI_RTSI_OUTPUT_DACUPDN: | |
5713 | case NI_RTSI_OUTPUT_DA_START1: | |
5714 | case NI_RTSI_OUTPUT_G_SRC0: | |
5715 | case NI_RTSI_OUTPUT_G_GATE0: | |
5716 | case NI_RTSI_OUTPUT_RGOUT0: | |
5717 | case NI_RTSI_OUTPUT_RTSI_BRD_0: | |
5718 | return 1; | |
5719 | break; | |
5720 | case NI_RTSI_OUTPUT_RTSI_OSC: | |
5721 | if (boardtype.reg_type & ni_reg_m_series_mask) | |
5722 | return 1; | |
5723 | else | |
5724 | return 0; | |
5725 | break; | |
5726 | default: | |
5727 | return 0; | |
5728 | break; | |
5729 | } | |
5730 | } | |
5731 | ||
da91b269 | 5732 | static int ni_set_rtsi_routing(struct comedi_device *dev, unsigned chan, |
0a85b6f0 | 5733 | unsigned source) |
03aef4b6 DS |
5734 | { |
5735 | if (ni_valid_rtsi_output_source(dev, chan, source) == 0) | |
5736 | return -EINVAL; | |
5737 | if (chan < 4) { | |
5738 | devpriv->rtsi_trig_a_output_reg &= ~RTSI_Trig_Output_Mask(chan); | |
5739 | devpriv->rtsi_trig_a_output_reg |= | |
0a85b6f0 | 5740 | RTSI_Trig_Output_Bits(chan, source); |
03aef4b6 | 5741 | devpriv->stc_writew(dev, devpriv->rtsi_trig_a_output_reg, |
0a85b6f0 | 5742 | RTSI_Trig_A_Output_Register); |
03aef4b6 DS |
5743 | } else if (chan < 8) { |
5744 | devpriv->rtsi_trig_b_output_reg &= ~RTSI_Trig_Output_Mask(chan); | |
5745 | devpriv->rtsi_trig_b_output_reg |= | |
0a85b6f0 | 5746 | RTSI_Trig_Output_Bits(chan, source); |
03aef4b6 | 5747 | devpriv->stc_writew(dev, devpriv->rtsi_trig_b_output_reg, |
0a85b6f0 | 5748 | RTSI_Trig_B_Output_Register); |
03aef4b6 DS |
5749 | } |
5750 | return 2; | |
5751 | } | |
5752 | ||
da91b269 | 5753 | static unsigned ni_get_rtsi_routing(struct comedi_device *dev, unsigned chan) |
03aef4b6 DS |
5754 | { |
5755 | if (chan < 4) { | |
5756 | return RTSI_Trig_Output_Source(chan, | |
0a85b6f0 | 5757 | devpriv->rtsi_trig_a_output_reg); |
03aef4b6 DS |
5758 | } else if (chan < num_configurable_rtsi_channels(dev)) { |
5759 | return RTSI_Trig_Output_Source(chan, | |
0a85b6f0 | 5760 | devpriv->rtsi_trig_b_output_reg); |
03aef4b6 DS |
5761 | } else { |
5762 | if (chan == old_RTSI_clock_channel) | |
5763 | return NI_RTSI_OUTPUT_RTSI_OSC; | |
5f74ea14 | 5764 | printk("%s: bug! should never get here?\n", __func__); |
03aef4b6 DS |
5765 | return 0; |
5766 | } | |
5767 | } | |
5768 | ||
0a85b6f0 MT |
5769 | static int ni_rtsi_insn_config(struct comedi_device *dev, |
5770 | struct comedi_subdevice *s, | |
5771 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
5772 | { |
5773 | unsigned int chan = CR_CHAN(insn->chanspec); | |
5774 | switch (data[0]) { | |
5775 | case INSN_CONFIG_DIO_OUTPUT: | |
5776 | if (chan < num_configurable_rtsi_channels(dev)) { | |
5777 | devpriv->rtsi_trig_direction_reg |= | |
0a85b6f0 MT |
5778 | RTSI_Output_Bit(chan, |
5779 | (boardtype. | |
5780 | reg_type & ni_reg_m_series_mask) != | |
5781 | 0); | |
03aef4b6 DS |
5782 | } else if (chan == old_RTSI_clock_channel) { |
5783 | devpriv->rtsi_trig_direction_reg |= | |
0a85b6f0 | 5784 | Drive_RTSI_Clock_Bit; |
03aef4b6 DS |
5785 | } |
5786 | devpriv->stc_writew(dev, devpriv->rtsi_trig_direction_reg, | |
0a85b6f0 | 5787 | RTSI_Trig_Direction_Register); |
03aef4b6 DS |
5788 | break; |
5789 | case INSN_CONFIG_DIO_INPUT: | |
5790 | if (chan < num_configurable_rtsi_channels(dev)) { | |
5791 | devpriv->rtsi_trig_direction_reg &= | |
0a85b6f0 MT |
5792 | ~RTSI_Output_Bit(chan, |
5793 | (boardtype. | |
5794 | reg_type & ni_reg_m_series_mask) | |
5795 | != 0); | |
03aef4b6 DS |
5796 | } else if (chan == old_RTSI_clock_channel) { |
5797 | devpriv->rtsi_trig_direction_reg &= | |
0a85b6f0 | 5798 | ~Drive_RTSI_Clock_Bit; |
03aef4b6 DS |
5799 | } |
5800 | devpriv->stc_writew(dev, devpriv->rtsi_trig_direction_reg, | |
0a85b6f0 | 5801 | RTSI_Trig_Direction_Register); |
03aef4b6 DS |
5802 | break; |
5803 | case INSN_CONFIG_DIO_QUERY: | |
5804 | if (chan < num_configurable_rtsi_channels(dev)) { | |
5805 | data[1] = | |
0a85b6f0 MT |
5806 | (devpriv->rtsi_trig_direction_reg & |
5807 | RTSI_Output_Bit(chan, | |
5808 | (boardtype.reg_type & | |
5809 | ni_reg_m_series_mask) | |
5810 | != 0)) ? INSN_CONFIG_DIO_OUTPUT : | |
5811 | INSN_CONFIG_DIO_INPUT; | |
03aef4b6 DS |
5812 | } else if (chan == old_RTSI_clock_channel) { |
5813 | data[1] = | |
0a85b6f0 MT |
5814 | (devpriv->rtsi_trig_direction_reg & |
5815 | Drive_RTSI_Clock_Bit) | |
5816 | ? INSN_CONFIG_DIO_OUTPUT : INSN_CONFIG_DIO_INPUT; | |
03aef4b6 DS |
5817 | } |
5818 | return 2; | |
5819 | break; | |
5820 | case INSN_CONFIG_SET_CLOCK_SRC: | |
5821 | return ni_set_master_clock(dev, data[1], data[2]); | |
5822 | break; | |
5823 | case INSN_CONFIG_GET_CLOCK_SRC: | |
5824 | data[1] = devpriv->clock_source; | |
5825 | data[2] = devpriv->clock_ns; | |
5826 | return 3; | |
5827 | break; | |
5828 | case INSN_CONFIG_SET_ROUTING: | |
5829 | return ni_set_rtsi_routing(dev, chan, data[1]); | |
5830 | break; | |
5831 | case INSN_CONFIG_GET_ROUTING: | |
5832 | data[1] = ni_get_rtsi_routing(dev, chan); | |
5833 | return 2; | |
5834 | break; | |
5835 | default: | |
5836 | return -EINVAL; | |
5837 | break; | |
5838 | } | |
5839 | return 1; | |
5840 | } | |
5841 | ||
da91b269 | 5842 | static int cs5529_wait_for_idle(struct comedi_device *dev) |
03aef4b6 DS |
5843 | { |
5844 | unsigned short status; | |
5845 | const int timeout = HZ; | |
5846 | int i; | |
5847 | ||
5848 | for (i = 0; i < timeout; i++) { | |
5849 | status = ni_ao_win_inw(dev, CAL_ADC_Status_67xx); | |
5850 | if ((status & CSS_ADC_BUSY) == 0) { | |
5851 | break; | |
5852 | } | |
5853 | set_current_state(TASK_INTERRUPTIBLE); | |
5854 | if (schedule_timeout(1)) { | |
5855 | return -EIO; | |
5856 | } | |
5857 | } | |
2696fb57 | 5858 | /* printk("looped %i times waiting for idle\n", i); */ |
03aef4b6 | 5859 | if (i == timeout) { |
5f74ea14 | 5860 | printk("%s: %s: timeout\n", __FILE__, __func__); |
03aef4b6 DS |
5861 | return -ETIME; |
5862 | } | |
5863 | return 0; | |
5864 | } | |
5865 | ||
da91b269 | 5866 | static void cs5529_command(struct comedi_device *dev, unsigned short value) |
03aef4b6 DS |
5867 | { |
5868 | static const int timeout = 100; | |
5869 | int i; | |
5870 | ||
5871 | ni_ao_win_outw(dev, value, CAL_ADC_Command_67xx); | |
5872 | /* give time for command to start being serially clocked into cs5529. | |
5873 | * this insures that the CSS_ADC_BUSY bit will get properly | |
5874 | * set before we exit this function. | |
5875 | */ | |
5876 | for (i = 0; i < timeout; i++) { | |
5877 | if ((ni_ao_win_inw(dev, CAL_ADC_Status_67xx) & CSS_ADC_BUSY)) | |
5878 | break; | |
5f74ea14 | 5879 | udelay(1); |
03aef4b6 | 5880 | } |
2696fb57 | 5881 | /* printk("looped %i times writing command to cs5529\n", i); */ |
03aef4b6 DS |
5882 | if (i == timeout) { |
5883 | comedi_error(dev, "possible problem - never saw adc go busy?"); | |
5884 | } | |
5885 | } | |
5886 | ||
5887 | /* write to cs5529 register */ | |
da91b269 | 5888 | static void cs5529_config_write(struct comedi_device *dev, unsigned int value, |
0a85b6f0 | 5889 | unsigned int reg_select_bits) |
03aef4b6 DS |
5890 | { |
5891 | ni_ao_win_outw(dev, ((value >> 16) & 0xff), | |
0a85b6f0 | 5892 | CAL_ADC_Config_Data_High_Word_67xx); |
03aef4b6 | 5893 | ni_ao_win_outw(dev, (value & 0xffff), |
0a85b6f0 | 5894 | CAL_ADC_Config_Data_Low_Word_67xx); |
03aef4b6 DS |
5895 | reg_select_bits &= CSCMD_REGISTER_SELECT_MASK; |
5896 | cs5529_command(dev, CSCMD_COMMAND | reg_select_bits); | |
5897 | if (cs5529_wait_for_idle(dev)) | |
5898 | comedi_error(dev, "time or signal in cs5529_config_write()"); | |
5899 | } | |
5900 | ||
5901 | #ifdef NI_CS5529_DEBUG | |
5902 | /* read from cs5529 register */ | |
da91b269 | 5903 | static unsigned int cs5529_config_read(struct comedi_device *dev, |
0a85b6f0 | 5904 | unsigned int reg_select_bits) |
03aef4b6 DS |
5905 | { |
5906 | unsigned int value; | |
5907 | ||
5908 | reg_select_bits &= CSCMD_REGISTER_SELECT_MASK; | |
5909 | cs5529_command(dev, CSCMD_COMMAND | CSCMD_READ | reg_select_bits); | |
5910 | if (cs5529_wait_for_idle(dev)) | |
5911 | comedi_error(dev, "timeout or signal in cs5529_config_read()"); | |
5912 | value = (ni_ao_win_inw(dev, | |
0a85b6f0 MT |
5913 | CAL_ADC_Config_Data_High_Word_67xx) << 16) & |
5914 | 0xff0000; | |
03aef4b6 DS |
5915 | value |= ni_ao_win_inw(dev, CAL_ADC_Config_Data_Low_Word_67xx) & 0xffff; |
5916 | return value; | |
5917 | } | |
5918 | #endif | |
5919 | ||
da91b269 | 5920 | static int cs5529_do_conversion(struct comedi_device *dev, unsigned short *data) |
03aef4b6 DS |
5921 | { |
5922 | int retval; | |
5923 | unsigned short status; | |
5924 | ||
5925 | cs5529_command(dev, CSCMD_COMMAND | CSCMD_SINGLE_CONVERSION); | |
5926 | retval = cs5529_wait_for_idle(dev); | |
5927 | if (retval) { | |
5928 | comedi_error(dev, | |
0a85b6f0 | 5929 | "timeout or signal in cs5529_do_conversion()"); |
03aef4b6 DS |
5930 | return -ETIME; |
5931 | } | |
5932 | status = ni_ao_win_inw(dev, CAL_ADC_Status_67xx); | |
5933 | if (status & CSS_OSC_DETECT) { | |
5f74ea14 | 5934 | printk |
0a85b6f0 | 5935 | ("ni_mio_common: cs5529 conversion error, status CSS_OSC_DETECT\n"); |
03aef4b6 DS |
5936 | return -EIO; |
5937 | } | |
5938 | if (status & CSS_OVERRANGE) { | |
5f74ea14 | 5939 | printk |
0a85b6f0 | 5940 | ("ni_mio_common: cs5529 conversion error, overrange (ignoring)\n"); |
03aef4b6 DS |
5941 | } |
5942 | if (data) { | |
5943 | *data = ni_ao_win_inw(dev, CAL_ADC_Data_67xx); | |
5944 | /* cs5529 returns 16 bit signed data in bipolar mode */ | |
5945 | *data ^= (1 << 15); | |
5946 | } | |
5947 | return 0; | |
5948 | } | |
5949 | ||
0a85b6f0 MT |
5950 | static int cs5529_ai_insn_read(struct comedi_device *dev, |
5951 | struct comedi_subdevice *s, | |
5952 | struct comedi_insn *insn, unsigned int *data) | |
03aef4b6 DS |
5953 | { |
5954 | int n, retval; | |
5955 | unsigned short sample; | |
5956 | unsigned int channel_select; | |
5957 | const unsigned int INTERNAL_REF = 0x1000; | |
5958 | ||
5959 | /* Set calibration adc source. Docs lie, reference select bits 8 to 11 | |
5960 | * do nothing. bit 12 seems to chooses internal reference voltage, bit | |
5961 | * 13 causes the adc input to go overrange (maybe reads external reference?) */ | |
5962 | if (insn->chanspec & CR_ALT_SOURCE) | |
5963 | channel_select = INTERNAL_REF; | |
5964 | else | |
5965 | channel_select = CR_CHAN(insn->chanspec); | |
5966 | ni_ao_win_outw(dev, channel_select, AO_Calibration_Channel_Select_67xx); | |
5967 | ||
5968 | for (n = 0; n < insn->n; n++) { | |
5969 | retval = cs5529_do_conversion(dev, &sample); | |
5970 | if (retval < 0) | |
5971 | return retval; | |
5972 | data[n] = sample; | |
5973 | } | |
5974 | return insn->n; | |
5975 | } | |
5976 | ||
da91b269 | 5977 | static int init_cs5529(struct comedi_device *dev) |
03aef4b6 DS |
5978 | { |
5979 | unsigned int config_bits = | |
0a85b6f0 | 5980 | CSCFG_PORT_MODE | CSCFG_WORD_RATE_2180_CYCLES; |
03aef4b6 DS |
5981 | |
5982 | #if 1 | |
5983 | /* do self-calibration */ | |
5984 | cs5529_config_write(dev, config_bits | CSCFG_SELF_CAL_OFFSET_GAIN, | |
0a85b6f0 | 5985 | CSCMD_CONFIG_REGISTER); |
03aef4b6 DS |
5986 | /* need to force a conversion for calibration to run */ |
5987 | cs5529_do_conversion(dev, NULL); | |
5988 | #else | |
5989 | /* force gain calibration to 1 */ | |
5990 | cs5529_config_write(dev, 0x400000, CSCMD_GAIN_REGISTER); | |
5991 | cs5529_config_write(dev, config_bits | CSCFG_SELF_CAL_OFFSET, | |
0a85b6f0 | 5992 | CSCMD_CONFIG_REGISTER); |
03aef4b6 DS |
5993 | if (cs5529_wait_for_idle(dev)) |
5994 | comedi_error(dev, "timeout or signal in init_cs5529()\n"); | |
5995 | #endif | |
5996 | #ifdef NI_CS5529_DEBUG | |
5f74ea14 | 5997 | printk("config: 0x%x\n", cs5529_config_read(dev, |
0a85b6f0 MT |
5998 | CSCMD_CONFIG_REGISTER)); |
5999 | printk("gain: 0x%x\n", cs5529_config_read(dev, CSCMD_GAIN_REGISTER)); | |
5f74ea14 | 6000 | printk("offset: 0x%x\n", cs5529_config_read(dev, |
0a85b6f0 | 6001 | CSCMD_OFFSET_REGISTER)); |
03aef4b6 DS |
6002 | #endif |
6003 | return 0; | |
6004 | } |