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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include "protocol.h" | |
21 | #include <libserialport.h> | |
22 | ||
23 | #define SERIALCOMM "115200/8n1" | |
24 | ||
25 | static const int32_t hwopts[] = { | |
26 | SR_CONF_CONN, | |
27 | SR_CONF_SERIALCOMM, | |
28 | }; | |
29 | ||
30 | static const int32_t hwcaps[] = { | |
31 | SR_CONF_LOGIC_ANALYZER, | |
32 | SR_CONF_SAMPLERATE, | |
33 | SR_CONF_TRIGGER_TYPE, | |
34 | SR_CONF_CAPTURE_RATIO, | |
35 | SR_CONF_LIMIT_SAMPLES, | |
36 | SR_CONF_EXTERNAL_CLOCK, | |
37 | SR_CONF_PATTERN_MODE, | |
38 | SR_CONF_SWAP, | |
39 | SR_CONF_RLE, | |
40 | }; | |
41 | ||
42 | #define STR_PATTERN_EXTERNAL "external" | |
43 | #define STR_PATTERN_INTERNAL "internal" | |
44 | ||
45 | /* Supported methods of test pattern outputs */ | |
46 | enum { | |
47 | /** | |
48 | * Capture pins 31:16 (unbuffered wing) output a test pattern | |
49 | * that can captured on pins 0:15. | |
50 | */ | |
51 | PATTERN_EXTERNAL, | |
52 | ||
53 | /** Route test pattern internally to capture buffer. */ | |
54 | PATTERN_INTERNAL, | |
55 | }; | |
56 | ||
57 | static const char *patterns[] = { | |
58 | STR_PATTERN_EXTERNAL, | |
59 | STR_PATTERN_INTERNAL, | |
60 | }; | |
61 | ||
62 | /* Probes are numbered 0-31 (on the PCB silkscreen). */ | |
63 | SR_PRIV const char *ols_probe_names[NUM_PROBES + 1] = { | |
64 | "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", | |
65 | "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", | |
66 | "24", "25", "26", "27", "28", "29", "30", "31", | |
67 | NULL, | |
68 | }; | |
69 | ||
70 | /* Default supported samplerates, can be overridden by device metadata. */ | |
71 | static const uint64_t samplerates[] = { | |
72 | SR_HZ(10), | |
73 | SR_MHZ(200), | |
74 | SR_HZ(1), | |
75 | }; | |
76 | ||
77 | SR_PRIV struct sr_dev_driver ols_driver_info; | |
78 | static struct sr_dev_driver *di = &ols_driver_info; | |
79 | ||
80 | static int dev_clear(void) | |
81 | { | |
82 | return std_dev_clear(di, NULL); | |
83 | } | |
84 | ||
85 | static int init(struct sr_context *sr_ctx) | |
86 | { | |
87 | return std_init(sr_ctx, di, LOG_PREFIX); | |
88 | } | |
89 | ||
90 | static GSList *scan(GSList *options) | |
91 | { | |
92 | struct sr_config *src; | |
93 | struct sr_dev_inst *sdi; | |
94 | struct drv_context *drvc; | |
95 | struct dev_context *devc; | |
96 | struct sr_probe *probe; | |
97 | struct sr_serial_dev_inst *serial; | |
98 | GPollFD probefd; | |
99 | GSList *l, *devices; | |
100 | int ret, i; | |
101 | const char *conn, *serialcomm; | |
102 | char buf[8]; | |
103 | ||
104 | drvc = di->priv; | |
105 | ||
106 | devices = NULL; | |
107 | ||
108 | conn = serialcomm = NULL; | |
109 | for (l = options; l; l = l->next) { | |
110 | src = l->data; | |
111 | switch (src->key) { | |
112 | case SR_CONF_CONN: | |
113 | conn = g_variant_get_string(src->data, NULL); | |
114 | break; | |
115 | case SR_CONF_SERIALCOMM: | |
116 | serialcomm = g_variant_get_string(src->data, NULL); | |
117 | break; | |
118 | } | |
119 | } | |
120 | if (!conn) | |
121 | return NULL; | |
122 | ||
123 | if (serialcomm == NULL) | |
124 | serialcomm = SERIALCOMM; | |
125 | ||
126 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) | |
127 | return NULL; | |
128 | ||
129 | /* The discovery procedure is like this: first send the Reset | |
130 | * command (0x00) 5 times, since the device could be anywhere | |
131 | * in a 5-byte command. Then send the ID command (0x02). | |
132 | * If the device responds with 4 bytes ("OLS1" or "SLA1"), we | |
133 | * have a match. | |
134 | */ | |
135 | sr_info("Probing %s.", conn); | |
136 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) | |
137 | return NULL; | |
138 | ||
139 | ret = SR_OK; | |
140 | for (i = 0; i < 5; i++) { | |
141 | if ((ret = send_shortcommand(serial, CMD_RESET)) != SR_OK) { | |
142 | sr_err("Port %s is not writable.", conn); | |
143 | break; | |
144 | } | |
145 | } | |
146 | if (ret != SR_OK) { | |
147 | serial_close(serial); | |
148 | sr_err("Could not use port %s. Quitting.", conn); | |
149 | return NULL; | |
150 | } | |
151 | send_shortcommand(serial, CMD_ID); | |
152 | ||
153 | /* Wait 10ms for a response. */ | |
154 | g_usleep(10000); | |
155 | ||
156 | sp_get_port_handle(serial->data, &probefd.fd); | |
157 | probefd.events = G_IO_IN; | |
158 | g_poll(&probefd, 1, 1); | |
159 | ||
160 | if (probefd.revents != G_IO_IN) | |
161 | return NULL; | |
162 | if (serial_read_blocking(serial, buf, 4) != 4) | |
163 | return NULL; | |
164 | if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4)) | |
165 | return NULL; | |
166 | ||
167 | /* Definitely using the OLS protocol, check if it supports | |
168 | * the metadata command. | |
169 | */ | |
170 | send_shortcommand(serial, CMD_METADATA); | |
171 | if (g_poll(&probefd, 1, 10) > 0) { | |
172 | /* Got metadata. */ | |
173 | sdi = get_metadata(serial); | |
174 | sdi->index = 0; | |
175 | devc = sdi->priv; | |
176 | } else { | |
177 | /* Not an OLS -- some other board that uses the sump protocol. */ | |
178 | sr_info("Device does not support metadata."); | |
179 | sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
180 | "Sump", "Logic Analyzer", "v1.0"); | |
181 | sdi->driver = di; | |
182 | for (i = 0; i < 32; i++) { | |
183 | if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, | |
184 | ols_probe_names[i]))) | |
185 | return 0; | |
186 | sdi->probes = g_slist_append(sdi->probes, probe); | |
187 | } | |
188 | devc = ols_dev_new(); | |
189 | sdi->priv = devc; | |
190 | } | |
191 | /* Configure samplerate and divider. */ | |
192 | if (ols_set_samplerate(sdi, DEFAULT_SAMPLERATE) != SR_OK) | |
193 | sr_dbg("Failed to set default samplerate (%"PRIu64").", | |
194 | DEFAULT_SAMPLERATE); | |
195 | /* Clear trigger masks, values and stages. */ | |
196 | ols_configure_probes(sdi); | |
197 | sdi->inst_type = SR_INST_SERIAL; | |
198 | sdi->conn = serial; | |
199 | ||
200 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
201 | devices = g_slist_append(devices, sdi); | |
202 | ||
203 | serial_close(serial); | |
204 | ||
205 | return devices; | |
206 | } | |
207 | ||
208 | static GSList *dev_list(void) | |
209 | { | |
210 | return ((struct drv_context *)(di->priv))->instances; | |
211 | } | |
212 | ||
213 | static int cleanup(void) | |
214 | { | |
215 | return dev_clear(); | |
216 | } | |
217 | ||
218 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, | |
219 | const struct sr_probe_group *probe_group) | |
220 | { | |
221 | struct dev_context *devc; | |
222 | ||
223 | (void)probe_group; | |
224 | ||
225 | if (!sdi) | |
226 | return SR_ERR_ARG; | |
227 | ||
228 | devc = sdi->priv; | |
229 | switch (id) { | |
230 | case SR_CONF_SAMPLERATE: | |
231 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
232 | break; | |
233 | case SR_CONF_CAPTURE_RATIO: | |
234 | *data = g_variant_new_uint64(devc->capture_ratio); | |
235 | break; | |
236 | case SR_CONF_LIMIT_SAMPLES: | |
237 | *data = g_variant_new_uint64(devc->limit_samples); | |
238 | break; | |
239 | case SR_CONF_PATTERN_MODE: | |
240 | if (devc->flag_reg & FLAG_EXTERNAL_TEST_MODE) | |
241 | *data = g_variant_new_string(STR_PATTERN_EXTERNAL); | |
242 | else if (devc->flag_reg & FLAG_INTERNAL_TEST_MODE) | |
243 | *data = g_variant_new_string(STR_PATTERN_INTERNAL); | |
244 | break; | |
245 | case SR_CONF_RLE: | |
246 | *data = g_variant_new_boolean(devc->flag_reg & FLAG_RLE ? TRUE : FALSE); | |
247 | break; | |
248 | default: | |
249 | return SR_ERR_NA; | |
250 | } | |
251 | ||
252 | return SR_OK; | |
253 | } | |
254 | ||
255 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, | |
256 | const struct sr_probe_group *probe_group) | |
257 | { | |
258 | struct dev_context *devc; | |
259 | int ret; | |
260 | uint64_t tmp_u64; | |
261 | const char *stropt; | |
262 | ||
263 | (void)probe_group; | |
264 | ||
265 | if (sdi->status != SR_ST_ACTIVE) | |
266 | return SR_ERR_DEV_CLOSED; | |
267 | ||
268 | devc = sdi->priv; | |
269 | ||
270 | switch (id) { | |
271 | case SR_CONF_SAMPLERATE: | |
272 | tmp_u64 = g_variant_get_uint64(data); | |
273 | if (tmp_u64 < samplerates[0] || tmp_u64 > samplerates[1]) | |
274 | return SR_ERR_SAMPLERATE; | |
275 | ret = ols_set_samplerate(sdi, g_variant_get_uint64(data)); | |
276 | break; | |
277 | case SR_CONF_LIMIT_SAMPLES: | |
278 | tmp_u64 = g_variant_get_uint64(data); | |
279 | if (tmp_u64 < MIN_NUM_SAMPLES) | |
280 | return SR_ERR; | |
281 | devc->limit_samples = tmp_u64; | |
282 | ret = SR_OK; | |
283 | break; | |
284 | case SR_CONF_CAPTURE_RATIO: | |
285 | devc->capture_ratio = g_variant_get_uint64(data); | |
286 | if (devc->capture_ratio < 0 || devc->capture_ratio > 100) { | |
287 | devc->capture_ratio = 0; | |
288 | ret = SR_ERR; | |
289 | } else | |
290 | ret = SR_OK; | |
291 | break; | |
292 | case SR_CONF_EXTERNAL_CLOCK: | |
293 | if (g_variant_get_boolean(data)) { | |
294 | sr_info("Enabling external clock."); | |
295 | devc->flag_reg |= FLAG_CLOCK_EXTERNAL; | |
296 | } else { | |
297 | sr_info("Disabled external clock."); | |
298 | devc->flag_reg &= ~FLAG_CLOCK_EXTERNAL; | |
299 | } | |
300 | ret = SR_OK; | |
301 | break; | |
302 | case SR_CONF_PATTERN_MODE: | |
303 | stropt = g_variant_get_string(data, NULL); | |
304 | ret = SR_OK; | |
305 | if (!strcmp(stropt, STR_PATTERN_INTERNAL)) { | |
306 | sr_info("Enabling internal test mode."); | |
307 | devc->flag_reg |= FLAG_INTERNAL_TEST_MODE; | |
308 | } else if (!strcmp(stropt, STR_PATTERN_EXTERNAL)) { | |
309 | sr_info("Enabling external test mode."); | |
310 | devc->flag_reg |= FLAG_EXTERNAL_TEST_MODE; | |
311 | } else { | |
312 | ret = SR_ERR; | |
313 | } | |
314 | break; | |
315 | case SR_CONF_SWAP: | |
316 | if (g_variant_get_boolean(data)) { | |
317 | sr_info("Enabling channel swapping."); | |
318 | devc->flag_reg |= FLAG_SWAP_PROBES; | |
319 | } else { | |
320 | sr_info("Disabling channel swapping."); | |
321 | devc->flag_reg &= ~FLAG_SWAP_PROBES; | |
322 | } | |
323 | ret = SR_OK; | |
324 | break; | |
325 | ||
326 | case SR_CONF_RLE: | |
327 | if (g_variant_get_boolean(data)) { | |
328 | sr_info("Enabling RLE."); | |
329 | devc->flag_reg |= FLAG_RLE; | |
330 | } else { | |
331 | sr_info("Disabling RLE."); | |
332 | devc->flag_reg &= ~FLAG_RLE; | |
333 | } | |
334 | ret = SR_OK; | |
335 | break; | |
336 | default: | |
337 | ret = SR_ERR_NA; | |
338 | } | |
339 | ||
340 | return ret; | |
341 | } | |
342 | ||
343 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
344 | const struct sr_probe_group *probe_group) | |
345 | { | |
346 | GVariant *gvar; | |
347 | GVariantBuilder gvb; | |
348 | ||
349 | (void)sdi; | |
350 | (void)probe_group; | |
351 | ||
352 | switch (key) { | |
353 | case SR_CONF_SCAN_OPTIONS: | |
354 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
355 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
356 | break; | |
357 | case SR_CONF_DEVICE_OPTIONS: | |
358 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
359 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
360 | break; | |
361 | case SR_CONF_SAMPLERATE: | |
362 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
363 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
364 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
365 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
366 | *data = g_variant_builder_end(&gvb); | |
367 | break; | |
368 | case SR_CONF_TRIGGER_TYPE: | |
369 | *data = g_variant_new_string(TRIGGER_TYPE); | |
370 | break; | |
371 | case SR_CONF_PATTERN_MODE: | |
372 | *data = g_variant_new_strv(patterns, ARRAY_SIZE(patterns)); | |
373 | break; | |
374 | default: | |
375 | return SR_ERR_NA; | |
376 | } | |
377 | ||
378 | return SR_OK; | |
379 | } | |
380 | ||
381 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
382 | void *cb_data) | |
383 | { | |
384 | struct dev_context *devc; | |
385 | struct sr_serial_dev_inst *serial; | |
386 | uint32_t trigger_config[4]; | |
387 | uint32_t data; | |
388 | uint16_t readcount, delaycount; | |
389 | uint8_t changrp_mask; | |
390 | int num_channels; | |
391 | int i; | |
392 | ||
393 | if (sdi->status != SR_ST_ACTIVE) | |
394 | return SR_ERR_DEV_CLOSED; | |
395 | ||
396 | devc = sdi->priv; | |
397 | serial = sdi->conn; | |
398 | ||
399 | if (ols_configure_probes(sdi) != SR_OK) { | |
400 | sr_err("Failed to configure probes."); | |
401 | return SR_ERR; | |
402 | } | |
403 | ||
404 | /* | |
405 | * Enable/disable channel groups in the flag register according to the | |
406 | * probe mask. Calculate this here, because num_channels is needed | |
407 | * to limit readcount. | |
408 | */ | |
409 | changrp_mask = 0; | |
410 | num_channels = 0; | |
411 | for (i = 0; i < 4; i++) { | |
412 | if (devc->probe_mask & (0xff << (i * 8))) { | |
413 | changrp_mask |= (1 << i); | |
414 | num_channels++; | |
415 | } | |
416 | } | |
417 | ||
418 | /* | |
419 | * Limit readcount to prevent reading past the end of the hardware | |
420 | * buffer. | |
421 | */ | |
422 | readcount = MIN(devc->max_samples / num_channels, devc->limit_samples) / 4; | |
423 | ||
424 | memset(trigger_config, 0, 16); | |
425 | trigger_config[devc->num_stages] |= 0x08; | |
426 | if (devc->trigger_mask[0]) { | |
427 | delaycount = readcount * (1 - devc->capture_ratio / 100.0); | |
428 | devc->trigger_at = (readcount - delaycount) * 4 - devc->num_stages; | |
429 | ||
430 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0, | |
431 | reverse32(devc->trigger_mask[0])) != SR_OK) | |
432 | return SR_ERR; | |
433 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0, | |
434 | reverse32(devc->trigger_value[0])) != SR_OK) | |
435 | return SR_ERR; | |
436 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0, | |
437 | trigger_config[0]) != SR_OK) | |
438 | return SR_ERR; | |
439 | ||
440 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_1, | |
441 | reverse32(devc->trigger_mask[1])) != SR_OK) | |
442 | return SR_ERR; | |
443 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_1, | |
444 | reverse32(devc->trigger_value[1])) != SR_OK) | |
445 | return SR_ERR; | |
446 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_1, | |
447 | trigger_config[1]) != SR_OK) | |
448 | return SR_ERR; | |
449 | ||
450 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_2, | |
451 | reverse32(devc->trigger_mask[2])) != SR_OK) | |
452 | return SR_ERR; | |
453 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_2, | |
454 | reverse32(devc->trigger_value[2])) != SR_OK) | |
455 | return SR_ERR; | |
456 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_2, | |
457 | trigger_config[2]) != SR_OK) | |
458 | return SR_ERR; | |
459 | ||
460 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_3, | |
461 | reverse32(devc->trigger_mask[3])) != SR_OK) | |
462 | return SR_ERR; | |
463 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_3, | |
464 | reverse32(devc->trigger_value[3])) != SR_OK) | |
465 | return SR_ERR; | |
466 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_3, | |
467 | trigger_config[3]) != SR_OK) | |
468 | return SR_ERR; | |
469 | } else { | |
470 | if (send_longcommand(serial, CMD_SET_TRIGGER_MASK_0, | |
471 | devc->trigger_mask[0]) != SR_OK) | |
472 | return SR_ERR; | |
473 | if (send_longcommand(serial, CMD_SET_TRIGGER_VALUE_0, | |
474 | devc->trigger_value[0]) != SR_OK) | |
475 | return SR_ERR; | |
476 | if (send_longcommand(serial, CMD_SET_TRIGGER_CONFIG_0, | |
477 | 0x00000008) != SR_OK) | |
478 | return SR_ERR; | |
479 | delaycount = readcount; | |
480 | } | |
481 | ||
482 | sr_info("Setting samplerate to %" PRIu64 "Hz (divider %u, " | |
483 | "demux %s, noise_filter %s)", devc->cur_samplerate, | |
484 | devc->cur_samplerate_divider, | |
485 | devc->flag_reg & FLAG_DEMUX ? "on" : "off", | |
486 | devc->flag_reg & FLAG_FILTER ? "on": "off"); | |
487 | if (send_longcommand(serial, CMD_SET_DIVIDER, | |
488 | reverse32(devc->cur_samplerate_divider)) != SR_OK) | |
489 | return SR_ERR; | |
490 | ||
491 | /* Send sample limit and pre/post-trigger capture ratio. */ | |
492 | data = ((readcount - 1) & 0xffff) << 16; | |
493 | data |= (delaycount - 1) & 0xffff; | |
494 | if (send_longcommand(serial, CMD_CAPTURE_SIZE, reverse16(data)) != SR_OK) | |
495 | return SR_ERR; | |
496 | ||
497 | /* The flag register wants them here, and 1 means "disable channel". */ | |
498 | devc->flag_reg |= ~(changrp_mask << 2) & 0x3c; | |
499 | devc->rle_count = 0; | |
500 | data = (devc->flag_reg << 24) | ((devc->flag_reg << 8) & 0xff0000); | |
501 | if (send_longcommand(serial, CMD_SET_FLAGS, data) != SR_OK) | |
502 | return SR_ERR; | |
503 | ||
504 | /* Start acquisition on the device. */ | |
505 | if (send_shortcommand(serial, CMD_RUN) != SR_OK) | |
506 | return SR_ERR; | |
507 | ||
508 | /* Reset all operational states. */ | |
509 | devc->num_transfers = devc->num_samples = devc->num_bytes = 0; | |
510 | memset(devc->sample, 0, 4); | |
511 | ||
512 | /* Send header packet to the session bus. */ | |
513 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
514 | ||
515 | serial_source_add(serial, G_IO_IN, -1, ols_receive_data, cb_data); | |
516 | ||
517 | return SR_OK; | |
518 | } | |
519 | ||
520 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
521 | { | |
522 | (void)cb_data; | |
523 | ||
524 | abort_acquisition(sdi); | |
525 | ||
526 | return SR_OK; | |
527 | } | |
528 | ||
529 | SR_PRIV struct sr_dev_driver ols_driver_info = { | |
530 | .name = "ols", | |
531 | .longname = "Openbench Logic Sniffer", | |
532 | .api_version = 1, | |
533 | .init = init, | |
534 | .cleanup = cleanup, | |
535 | .scan = scan, | |
536 | .dev_list = dev_list, | |
537 | .dev_clear = dev_clear, | |
538 | .config_get = config_get, | |
539 | .config_set = config_set, | |
540 | .config_list = config_list, | |
541 | .dev_open = std_serial_dev_open, | |
542 | .dev_close = std_serial_dev_close, | |
543 | .dev_acquisition_start = dev_acquisition_start, | |
544 | .dev_acquisition_stop = dev_acquisition_stop, | |
545 | .priv = NULL, | |
546 | }; |